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reactos/drivers/filesystems/nfs/nfs41_driver.c

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/* NFSv4.1 client for Windows
* Copyright © 2012 The Regents of the University of Michigan
*
* Olga Kornievskaia <aglo@umich.edu>
* Casey Bodley <cbodley@umich.edu>
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* without any warranty; without even the implied warranty of merchantability
* or fitness for a particular purpose. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA
*/
#define MINIRDR__NAME "Value is ignored, only fact of definition"
#include <rx.h>
#include <windef.h>
#include <winerror.h>
#include <ntstrsafe.h>
#ifdef __REACTOS__
#include <pseh/pseh2.h>
#endif
#include "nfs41_driver.h"
#include "nfs41_np.h"
#include "nfs41_debug.h"
#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_WIN7)
NTSTATUS NTAPI RtlUnicodeToUTF8N(CHAR *utf8_dest, ULONG utf8_bytes_max,
ULONG *utf8_bytes_written,
const WCHAR *uni_src, ULONG uni_bytes);
NTSTATUS NTAPI RtlUTF8ToUnicodeN(WCHAR *uni_dest, ULONG uni_bytes_max,
ULONG *uni_bytes_written,
const CHAR *utf8_src, ULONG utf8_bytes);
#endif /* defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_WIN7) */
#define USE_MOUNT_SEC_CONTEXT
/* debugging printout defines */
//#define DEBUG_FSDDISPATCH
#define DEBUG_MARSHAL_HEADER
#define DEBUG_MARSHAL_DETAIL
//#define DEBUG_OPEN
//#define DEBUG_CLOSE
//#define DEBUG_CACHE
#define DEBUG_INVALIDATE_CACHE
//#define DEBUG_READ
//#define DEBUG_WRITE
//#define DEBUG_DIR_QUERY
//#define DEBUG_FILE_QUERY
//#define DEBUG_FILE_SET
//#define DEBUG_ACL_QUERY
//#define DEBUG_ACL_SET
//#define DEBUG_EA_QUERY
//#define DEBUG_EA_SET
//#define DEBUG_LOCK
//#define DEBUG_MISC
#define DEBUG_TIME_BASED_COHERENCY
#define DEBUG_MOUNT
//#define DEBUG_VOLUME_QUERY
//#define ENABLE_TIMINGS
//#define ENABLE_INDV_TIMINGS
#ifdef ENABLE_TIMINGS
typedef struct __nfs41_timings {
LONG tops, sops;
LONGLONG ticks, size;
} nfs41_timings;
nfs41_timings lookup, readdir, open, close, getattr, setattr, getacl, setacl, volume,
read, write, lock, unlock, setexattr, getexattr;
#endif
DRIVER_INITIALIZE DriverEntry;
DRIVER_UNLOAD nfs41_driver_unload;
DRIVER_DISPATCH ( nfs41_FsdDispatch );
struct _MINIRDR_DISPATCH nfs41_ops;
PRDBSS_DEVICE_OBJECT nfs41_dev;
#define DISABLE_CACHING 0
#define ENABLE_READ_CACHING 1
#define ENABLE_WRITE_CACHING 2
#define ENABLE_READWRITE_CACHING 3
#define NFS41_MM_POOLTAG ('nfs4')
#define NFS41_MM_POOLTAG_ACL ('acls')
#define NFS41_MM_POOLTAG_MOUNT ('mnts')
#define NFS41_MM_POOLTAG_OPEN ('open')
#define NFS41_MM_POOLTAG_UP ('upca')
#define NFS41_MM_POOLTAG_DOWN ('down')
KEVENT upcallEvent;
FAST_MUTEX upcallLock, downcallLock, fcblistLock;
FAST_MUTEX xidLock;
FAST_MUTEX openOwnerLock;
LONGLONG xid = 0;
LONG open_owner_id = 1;
#define DECLARE_CONST_ANSI_STRING(_var, _string) \
const CHAR _var ## _buffer[] = _string; \
const ANSI_STRING _var = { sizeof(_string) - sizeof(CHAR), \
sizeof(_string), (PCH) _var ## _buffer }
#define RELATIVE(wait) (-(wait))
#define NANOSECONDS(nanos) (((signed __int64)(nanos)) / 100L)
#define MICROSECONDS(micros) (((signed __int64)(micros)) * NANOSECONDS(1000L))
#define MILLISECONDS(milli) (((signed __int64)(milli)) * MICROSECONDS(1000L))
#define SECONDS(seconds) (((signed __int64)(seconds)) * MILLISECONDS(1000L))
DECLARE_CONST_ANSI_STRING(NfsV3Attributes, "NfsV3Attributes");
DECLARE_CONST_ANSI_STRING(NfsSymlinkTargetName, "NfsSymlinkTargetName");
DECLARE_CONST_ANSI_STRING(NfsActOnLink, "NfsActOnLink");
INLINE BOOL AnsiStrEq(
IN const ANSI_STRING *lhs,
IN const CHAR *rhs,
IN const UCHAR rhs_len)
{
return lhs->Length == rhs_len &&
RtlCompareMemory(lhs->Buffer, rhs, rhs_len) == rhs_len;
}
typedef struct _nfs3_attrs {
DWORD type, mode, nlink, uid, gid, filler1;
LARGE_INTEGER size, used;
struct {
DWORD specdata1;
DWORD specdata2;
} rdev;
LONGLONG fsid, fileid;
LONGLONG atime, mtime, ctime;
} nfs3_attrs;
LARGE_INTEGER unix_time_diff; //needed to convert windows time to unix
enum ftype3 {
NF3REG = 1,
NF3DIR,
NF3BLK,
NF3CHR,
NF3LNK,
NF3SOCK,
NF3FIFO
};
typedef enum _nfs41_updowncall_state {
NFS41_WAITING_FOR_UPCALL,
NFS41_WAITING_FOR_DOWNCALL,
NFS41_DONE_PROCESSING,
NFS41_NOT_WAITING
} nfs41_updowncall_state;
#ifdef __REACTOS__
#undef _errno
#undef errno
#endif
typedef struct _updowncall_entry {
DWORD version;
LONGLONG xid;
DWORD opcode;
NTSTATUS status;
nfs41_updowncall_state state;
FAST_MUTEX lock;
LIST_ENTRY next;
KEVENT cond;
DWORD errno;
BOOLEAN async_op;
SECURITY_CLIENT_CONTEXT sec_ctx;
PSECURITY_CLIENT_CONTEXT psec_ctx;
HANDLE open_state;
HANDLE session;
PUNICODE_STRING filename;
PVOID buf;
ULONG buf_len;
ULONGLONG ChangeTime;
union {
struct {
PUNICODE_STRING srv_name;
PUNICODE_STRING root;
PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs;
DWORD sec_flavor;
DWORD rsize;
DWORD wsize;
DWORD lease_time;
} Mount;
struct {
PMDL MdlAddress;
ULONGLONG offset;
PRX_CONTEXT rxcontext;
} ReadWrite;
struct {
LONGLONG offset;
LONGLONG length;
BOOLEAN exclusive;
BOOLEAN blocking;
} Lock;
struct {
ULONG count;
LOWIO_LOCK_LIST locks;
} Unlock;
struct {
FILE_BASIC_INFORMATION binfo;
FILE_STANDARD_INFORMATION sinfo;
UNICODE_STRING symlink;
ULONG access_mask;
ULONG access_mode;
ULONG attrs;
ULONG copts;
ULONG disp;
ULONG cattrs;
LONG open_owner_id;
DWORD mode;
HANDLE srv_open;
DWORD deleg_type;
BOOLEAN symlink_embedded;
PMDL EaMdl;
PVOID EaBuffer;
} Open;
struct {
HANDLE srv_open;
BOOLEAN remove;
BOOLEAN renamed;
} Close;
struct {
PUNICODE_STRING filter;
FILE_INFORMATION_CLASS InfoClass;
BOOLEAN restart_scan;
BOOLEAN return_single;
BOOLEAN initial_query;
PMDL mdl;
PVOID mdl_buf;
} QueryFile;
struct {
FILE_INFORMATION_CLASS InfoClass;
} SetFile;
struct {
DWORD mode;
} SetEa;
struct {
PVOID EaList;
ULONG EaListLength;
ULONG Overflow;
ULONG EaIndex;
BOOLEAN ReturnSingleEntry;
BOOLEAN RestartScan;
} QueryEa;
struct {
PUNICODE_STRING target;
BOOLEAN set;
} Symlink;
struct {
FS_INFORMATION_CLASS query;
} Volume;
struct {
SECURITY_INFORMATION query;
} Acl;
} u;
} nfs41_updowncall_entry;
typedef struct _updowncall_list {
LIST_ENTRY head;
} nfs41_updowncall_list;
nfs41_updowncall_list upcall, downcall;
typedef struct _nfs41_mount_entry {
LIST_ENTRY next;
LUID login_id;
HANDLE authsys_session;
HANDLE gss_session;
HANDLE gssi_session;
HANDLE gssp_session;
} nfs41_mount_entry;
typedef struct _nfs41_mount_list {
LIST_ENTRY head;
} nfs41_mount_list;
#define nfs41_AddEntry(lock,list,pEntry) \
ExAcquireFastMutex(&lock); \
InsertTailList(&(list).head, &(pEntry)->next); \
ExReleaseFastMutex(&lock);
#define nfs41_RemoveFirst(lock,list,pEntry) \
ExAcquireFastMutex(&lock); \
pEntry = (IsListEmpty(&(list).head) \
? NULL \
: RemoveHeadList(&(list).head)); \
ExReleaseFastMutex(&lock);
#define nfs41_RemoveEntry(lock,pEntry) \
ExAcquireFastMutex(&lock); \
RemoveEntryList(&pEntry->next); \
ExReleaseFastMutex(&lock);
#define nfs41_IsListEmpty(lock,list,flag) \
ExAcquireFastMutex(&lock); \
flag = IsListEmpty(&(list).head); \
ExReleaseFastMutex(&lock);
#define nfs41_GetFirstEntry(lock,list,pEntry) \
ExAcquireFastMutex(&lock); \
pEntry = (IsListEmpty(&(list).head) \
? NULL \
: (nfs41_updowncall_entry *) \
(CONTAINING_RECORD((list).head.Flink, \
nfs41_updowncall_entry, \
next))); \
ExReleaseFastMutex(&lock);
#define nfs41_GetFirstMountEntry(lock,list,pEntry) \
ExAcquireFastMutex(&lock); \
pEntry = (IsListEmpty(&(list).head) \
? NULL \
: (nfs41_mount_entry *) \
(CONTAINING_RECORD((list).head.Flink, \
nfs41_mount_entry, \
next))); \
ExReleaseFastMutex(&lock);
/* In order to cooperate with other network providers,
* we only claim paths of the format '\\server\nfs4\path' */
DECLARE_CONST_UNICODE_STRING(NfsPrefix, L"\\nfs4");
DECLARE_CONST_UNICODE_STRING(AUTH_SYS_NAME, L"sys");
DECLARE_CONST_UNICODE_STRING(AUTHGSS_KRB5_NAME, L"krb5");
DECLARE_CONST_UNICODE_STRING(AUTHGSS_KRB5I_NAME, L"krb5i");
DECLARE_CONST_UNICODE_STRING(AUTHGSS_KRB5P_NAME, L"krb5p");
DECLARE_CONST_UNICODE_STRING(SLASH, L"\\");
DECLARE_CONST_UNICODE_STRING(EMPTY_STRING, L"");
#define SERVER_NAME_BUFFER_SIZE 1024
#define MOUNT_CONFIG_RW_SIZE_MIN 1024
#define MOUNT_CONFIG_RW_SIZE_DEFAULT 1048576
#define MOUNT_CONFIG_RW_SIZE_MAX 1048576
#define MAX_SEC_FLAVOR_LEN 12
#define UPCALL_TIMEOUT_DEFAULT 50 /* in seconds */
typedef struct _NFS41_MOUNT_CONFIG {
DWORD ReadSize;
DWORD WriteSize;
BOOLEAN ReadOnly;
BOOLEAN write_thru;
BOOLEAN nocache;
WCHAR srv_buffer[SERVER_NAME_BUFFER_SIZE];
UNICODE_STRING SrvName;
WCHAR mntpt_buffer[MAX_PATH];
UNICODE_STRING MntPt;
WCHAR sec_flavor[MAX_SEC_FLAVOR_LEN];
UNICODE_STRING SecFlavor;
DWORD timeout;
} NFS41_MOUNT_CONFIG, *PNFS41_MOUNT_CONFIG;
typedef struct _NFS41_NETROOT_EXTENSION {
NODE_TYPE_CODE NodeTypeCode;
NODE_BYTE_SIZE NodeByteSize;
DWORD nfs41d_version;
BOOLEAN mounts_init;
FAST_MUTEX mountLock;
nfs41_mount_list mounts;
} NFS41_NETROOT_EXTENSION, *PNFS41_NETROOT_EXTENSION;
#define NFS41GetNetRootExtension(pNetRoot) \
(((pNetRoot) == NULL) ? NULL : \
(PNFS41_NETROOT_EXTENSION)((pNetRoot)->Context))
/* FileSystemName as reported by FileFsAttributeInfo query */
#define FS_NAME L"NFS"
#define FS_NAME_LEN (sizeof(FS_NAME) - sizeof(WCHAR))
#define FS_ATTR_LEN (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + FS_NAME_LEN)
/* FileSystemName as reported by FileFsAttributeInfo query */
#define VOL_NAME L"PnfsVolume"
#define VOL_NAME_LEN (sizeof(VOL_NAME) - sizeof(WCHAR))
#define VOL_ATTR_LEN (sizeof(FILE_FS_VOLUME_INFORMATION) + VOL_NAME_LEN)
typedef struct _NFS41_V_NET_ROOT_EXTENSION {
NODE_TYPE_CODE NodeTypeCode;
NODE_BYTE_SIZE NodeByteSize;
HANDLE session;
FILE_FS_ATTRIBUTE_INFORMATION FsAttrs;
DWORD sec_flavor;
DWORD timeout;
USHORT MountPathLen;
BOOLEAN read_only;
BOOLEAN write_thru;
BOOLEAN nocache;
#define STORE_MOUNT_SEC_CONTEXT
#ifdef STORE_MOUNT_SEC_CONTEXT
SECURITY_CLIENT_CONTEXT mount_sec_ctx;
#endif
} NFS41_V_NET_ROOT_EXTENSION, *PNFS41_V_NET_ROOT_EXTENSION;
#define NFS41GetVNetRootExtension(pVNetRoot) \
(((pVNetRoot) == NULL) ? NULL : \
(PNFS41_V_NET_ROOT_EXTENSION)((pVNetRoot)->Context))
typedef struct _NFS41_FCB {
NODE_TYPE_CODE NodeTypeCode;
NODE_BYTE_SIZE NodeByteSize;
FILE_BASIC_INFORMATION BasicInfo;
FILE_STANDARD_INFORMATION StandardInfo;
BOOLEAN Renamed;
BOOLEAN DeletePending;
DWORD mode;
ULONGLONG changeattr;
} NFS41_FCB, *PNFS41_FCB;
#define NFS41GetFcbExtension(pFcb) \
(((pFcb) == NULL) ? NULL : (PNFS41_FCB)((pFcb)->Context))
typedef struct _NFS41_FOBX {
NODE_TYPE_CODE NodeTypeCode;
NODE_BYTE_SIZE NodeByteSize;
HANDLE nfs41_open_state;
SECURITY_CLIENT_CONTEXT sec_ctx;
PVOID acl;
DWORD acl_len;
LARGE_INTEGER time;
DWORD deleg_type;
BOOLEAN write_thru;
BOOLEAN nocache;
} NFS41_FOBX, *PNFS41_FOBX;
#define NFS41GetFobxExtension(pFobx) \
(((pFobx) == NULL) ? NULL : (PNFS41_FOBX)((pFobx)->Context))
typedef struct _NFS41_SERVER_ENTRY {
PMRX_SRV_CALL pRdbssSrvCall;
WCHAR NameBuffer[SERVER_NAME_BUFFER_SIZE];
UNICODE_STRING Name; // the server name.
} NFS41_SERVER_ENTRY, *PNFS41_SERVER_ENTRY;
typedef struct _NFS41_DEVICE_EXTENSION {
NODE_TYPE_CODE NodeTypeCode;
NODE_BYTE_SIZE NodeByteSize;
PRDBSS_DEVICE_OBJECT DeviceObject;
ULONG ActiveNodes;
HANDLE SharedMemorySection;
DWORD nfs41d_version;
BYTE VolAttrs[VOL_ATTR_LEN];
DWORD VolAttrsLen;
HANDLE openlistHandle;
} NFS41_DEVICE_EXTENSION, *PNFS41_DEVICE_EXTENSION;
#define NFS41GetDeviceExtension(RxContext,pExt) \
PNFS41_DEVICE_EXTENSION pExt = (PNFS41_DEVICE_EXTENSION) \
((PBYTE)(RxContext->RxDeviceObject) + sizeof(RDBSS_DEVICE_OBJECT))
typedef struct _nfs41_fcb_list_entry {
LIST_ENTRY next;
PMRX_FCB fcb;
HANDLE session;
PNFS41_FOBX nfs41_fobx;
ULONGLONG ChangeTime;
BOOLEAN skip;
} nfs41_fcb_list_entry;
typedef struct _nfs41_fcb_list {
LIST_ENTRY head;
} nfs41_fcb_list;
nfs41_fcb_list openlist;
typedef enum _NULMRX_STORAGE_TYPE_CODES {
NTC_NFS41_DEVICE_EXTENSION = (NODE_TYPE_CODE)0xFC00,
} NFS41_STORAGE_TYPE_CODES;
#define RxDefineNode( node, type ) \
node->NodeTypeCode = NTC_##type; \
node->NodeByteSize = sizeof(type);
#define RDR_NULL_STATE 0
#define RDR_UNLOADED 1
#define RDR_UNLOADING 2
#define RDR_LOADING 3
#define RDR_LOADED 4
#define RDR_STOPPED 5
#define RDR_STOPPING 6
#define RDR_STARTING 7
#define RDR_STARTED 8
nfs41_init_driver_state nfs41_init_state = NFS41_INIT_DRIVER_STARTABLE;
nfs41_start_driver_state nfs41_start_state = NFS41_START_DRIVER_STARTABLE;
NTSTATUS map_readwrite_errors(DWORD status);
void print_debug_header(
PRX_CONTEXT RxContext)
{
PIO_STACK_LOCATION IrpSp = RxContext->CurrentIrpSp;
if (IrpSp) {
DbgP("FileOject %p name %wZ access r=%d,w=%d,d=%d share r=%d,w=%d,d=%d\n",
IrpSp->FileObject, &IrpSp->FileObject->FileName,
IrpSp->FileObject->ReadAccess, IrpSp->FileObject->WriteAccess,
IrpSp->FileObject->DeleteAccess, IrpSp->FileObject->SharedRead,
IrpSp->FileObject->SharedWrite, IrpSp->FileObject->SharedDelete);
print_file_object(0, IrpSp->FileObject);
print_irps_flags(0, RxContext->CurrentIrpSp);
} else
DbgP("Couldn't print FileObject IrpSp is NULL\n");
print_fo_all(1, RxContext);
if (RxContext->CurrentIrp)
print_irp_flags(0, RxContext->CurrentIrp);
}
/* convert strings from unicode -> ansi during marshalling to
* save space in the upcall buffers and avoid extra copies */
INLINE ULONG length_as_utf8(
PCUNICODE_STRING str)
{
ULONG ActualCount = 0;
RtlUnicodeToUTF8N(NULL, 0xffff, &ActualCount, str->Buffer, str->Length);
return sizeof(str->MaximumLength) + ActualCount + sizeof(UNICODE_NULL);
}
NTSTATUS marshall_unicode_as_utf8(
IN OUT unsigned char **pos,
IN PCUNICODE_STRING str)
{
ANSI_STRING ansi;
ULONG ActualCount;
NTSTATUS status;
if (str->Length == 0) {
status = STATUS_SUCCESS;
ActualCount = 0;
ansi.MaximumLength = 1;
goto out_copy;
}
/* query the number of bytes required for the utf8 encoding */
status = RtlUnicodeToUTF8N(NULL, 0xffff,
&ActualCount, str->Buffer, str->Length);
if (status) {
print_error("RtlUnicodeToUTF8N('%wZ') failed with 0x%08X\n",
str, status);
goto out;
}
/* convert the string directly into the upcall buffer */
ansi.Buffer = (PCHAR)*pos + sizeof(ansi.MaximumLength);
ansi.MaximumLength = (USHORT)ActualCount + sizeof(UNICODE_NULL);
status = RtlUnicodeToUTF8N(ansi.Buffer, ansi.MaximumLength,
&ActualCount, str->Buffer, str->Length);
if (status) {
print_error("RtlUnicodeToUTF8N(%hu, '%wZ', %hu) failed with 0x%08X\n",
ansi.MaximumLength, str, str->Length, status);
goto out;
}
out_copy:
RtlCopyMemory(*pos, &ansi.MaximumLength, sizeof(ansi.MaximumLength));
*pos += sizeof(ansi.MaximumLength);
(*pos)[ActualCount] = '\0';
*pos += ansi.MaximumLength;
out:
return status;
}
NTSTATUS marshal_nfs41_header(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
header_len = sizeof(entry->version) + sizeof(entry->xid) +
sizeof(entry->opcode) + 2 * sizeof(HANDLE);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
else
*len = header_len;
RtlCopyMemory(tmp, &entry->version, sizeof(entry->version));
tmp += sizeof(entry->version);
RtlCopyMemory(tmp, &entry->xid, sizeof(entry->xid));
tmp += sizeof(entry->xid);
RtlCopyMemory(tmp, &entry->opcode, sizeof(entry->opcode));
tmp += sizeof(entry->opcode);
RtlCopyMemory(tmp, &entry->session, sizeof(HANDLE));
tmp += sizeof(HANDLE);
RtlCopyMemory(tmp, &entry->open_state, sizeof(HANDLE));
tmp += sizeof(HANDLE);
#ifdef DEBUG_MARSHAL_HEADER
if (MmIsAddressValid(entry->filename))
DbgP("[upcall header] xid=%lld opcode=%s filename=%wZ version=%d "
"session=0x%x open_state=0x%x\n", entry->xid,
opcode2string(entry->opcode), entry->filename,
entry->version, entry->session, entry->open_state);
else
status = STATUS_INTERNAL_ERROR;
#endif
out:
return status;
}
const char* secflavorop2name(
DWORD sec_flavor)
{
switch(sec_flavor) {
case RPCSEC_AUTH_SYS: return "AUTH_SYS";
case RPCSEC_AUTHGSS_KRB5: return "AUTHGSS_KRB5";
case RPCSEC_AUTHGSS_KRB5I: return "AUTHGSS_KRB5I";
case RPCSEC_AUTHGSS_KRB5P: return "AUTHGSS_KRB5P";
}
return "UNKNOWN FLAVOR";
}
NTSTATUS marshal_nfs41_mount(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
/* 03/25/2011: Kernel crash to nfsd not running but mount upcall cued up */
if (!MmIsAddressValid(entry->u.Mount.srv_name) ||
!MmIsAddressValid(entry->u.Mount.root)) {
status = STATUS_INTERNAL_ERROR;
goto out;
}
header_len = *len + length_as_utf8(entry->u.Mount.srv_name) +
length_as_utf8(entry->u.Mount.root) + 3 * sizeof(DWORD);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
status = marshall_unicode_as_utf8(&tmp, entry->u.Mount.srv_name);
if (status) goto out;
status = marshall_unicode_as_utf8(&tmp, entry->u.Mount.root);
if (status) goto out;
RtlCopyMemory(tmp, &entry->u.Mount.sec_flavor, sizeof(DWORD));
tmp += sizeof(DWORD);
RtlCopyMemory(tmp, &entry->u.Mount.rsize, sizeof(DWORD));
tmp += sizeof(DWORD);
RtlCopyMemory(tmp, &entry->u.Mount.wsize, sizeof(DWORD));
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_mount: server name=%wZ mount point=%wZ sec_flavor=%s "
"rsize=%d wsize=%d\n", entry->u.Mount.srv_name, entry->u.Mount.root,
secflavorop2name(entry->u.Mount.sec_flavor), entry->u.Mount.rsize,
entry->u.Mount.wsize);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_unmount(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
return marshal_nfs41_header(entry, buf, buf_len, len);
}
NTSTATUS marshal_nfs41_open(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + length_as_utf8(entry->filename) +
7 * sizeof(ULONG) + 2 * sizeof(HANDLE) +
length_as_utf8(&entry->u.Open.symlink);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
status = marshall_unicode_as_utf8(&tmp, entry->filename);
if (status) goto out;
RtlCopyMemory(tmp, &entry->u.Open.access_mask,
sizeof(entry->u.Open.access_mask));
tmp += sizeof(entry->u.Open.access_mask);
RtlCopyMemory(tmp, &entry->u.Open.access_mode,
sizeof(entry->u.Open.access_mode));
tmp += sizeof(entry->u.Open.access_mode);
RtlCopyMemory(tmp, &entry->u.Open.attrs, sizeof(entry->u.Open.attrs));
tmp += sizeof(entry->u.Open.attrs);
RtlCopyMemory(tmp, &entry->u.Open.copts, sizeof(entry->u.Open.copts));
tmp += sizeof(entry->u.Open.copts);
RtlCopyMemory(tmp, &entry->u.Open.disp, sizeof(entry->u.Open.disp));
tmp += sizeof(entry->u.Open.disp);
RtlCopyMemory(tmp, &entry->u.Open.open_owner_id,
sizeof(entry->u.Open.open_owner_id));
tmp += sizeof(entry->u.Open.open_owner_id);
RtlCopyMemory(tmp, &entry->u.Open.mode, sizeof(DWORD));
tmp += sizeof(DWORD);
RtlCopyMemory(tmp, &entry->u.Open.srv_open, sizeof(HANDLE));
tmp += sizeof(HANDLE);
status = marshall_unicode_as_utf8(&tmp, &entry->u.Open.symlink);
if (status) goto out;
_SEH2_TRY {
if (entry->u.Open.EaMdl) {
entry->u.Open.EaBuffer =
MmMapLockedPagesSpecifyCache(entry->u.Open.EaMdl,
#ifndef __REACTOS__
UserMode, MmNonCached, NULL, TRUE, NormalPagePriority);
#else
UserMode, MmCached, NULL, TRUE, NormalPagePriority);
#endif
if (entry->u.Open.EaBuffer == NULL) {
print_error("MmMapLockedPagesSpecifyCache failed to map pages\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
}
} _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) {
print_error("Call to MmMapLocked failed due to exception 0x%x\n", _SEH2_GetExceptionCode());
status = STATUS_ACCESS_DENIED;
goto out;
} _SEH2_END;
RtlCopyMemory(tmp, &entry->u.Open.EaBuffer, sizeof(HANDLE));
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_open: name=%wZ mask=0x%x access=0x%x attrs=0x%x "
"opts=0x%x dispo=0x%x open_owner_id=0x%x mode=%o srv_open=%p ea=%p\n",
entry->filename, entry->u.Open.access_mask,
entry->u.Open.access_mode, entry->u.Open.attrs, entry->u.Open.copts,
entry->u.Open.disp, entry->u.Open.open_owner_id, entry->u.Open.mode,
entry->u.Open.srv_open, entry->u.Open.EaBuffer);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_rw(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + sizeof(entry->buf_len) +
sizeof(entry->u.ReadWrite.offset) + sizeof(HANDLE);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(tmp, &entry->buf_len, sizeof(entry->buf_len));
tmp += sizeof(entry->buf_len);
RtlCopyMemory(tmp, &entry->u.ReadWrite.offset,
sizeof(entry->u.ReadWrite.offset));
tmp += sizeof(entry->u.ReadWrite.offset);
_SEH2_TRY {
entry->u.ReadWrite.MdlAddress->MdlFlags |= MDL_MAPPING_CAN_FAIL;
entry->buf =
MmMapLockedPagesSpecifyCache(entry->u.ReadWrite.MdlAddress,
#ifndef __REACTOS__
UserMode, MmNonCached, NULL, TRUE, NormalPagePriority);
#else
UserMode, MmCached, NULL, TRUE, NormalPagePriority);
#endif
if (entry->buf == NULL) {
print_error("MmMapLockedPagesSpecifyCache failed to map pages\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
} _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) {
NTSTATUS code;
code = _SEH2_GetExceptionCode();
print_error("Call to MmMapLocked failed due to exception 0x%x\n", code);
status = STATUS_ACCESS_DENIED;
goto out;
} _SEH2_END;
RtlCopyMemory(tmp, &entry->buf, sizeof(HANDLE));
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_rw: len=%lu offset=%llu MdlAddress=%p Userspace=%p\n",
entry->buf_len, entry->u.ReadWrite.offset,
entry->u.ReadWrite.MdlAddress, entry->buf);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_lock(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + 2 * sizeof(LONGLONG) + 2 * sizeof(BOOLEAN);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(tmp, &entry->u.Lock.offset, sizeof(LONGLONG));
tmp += sizeof(LONGLONG);
RtlCopyMemory(tmp, &entry->u.Lock.length, sizeof(LONGLONG));
tmp += sizeof(LONGLONG);
RtlCopyMemory(tmp, &entry->u.Lock.exclusive, sizeof(BOOLEAN));
tmp += sizeof(BOOLEAN);
RtlCopyMemory(tmp, &entry->u.Lock.blocking, sizeof(BOOLEAN));
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_lock: offset=%llx length=%llx exclusive=%u "
"blocking=%u\n", entry->u.Lock.offset, entry->u.Lock.length,
entry->u.Lock.exclusive, entry->u.Lock.blocking);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_unlock(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
PLOWIO_LOCK_LIST lock;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + sizeof(ULONG) +
entry->u.Unlock.count * 2 * sizeof(LONGLONG);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(tmp, &entry->u.Unlock.count, sizeof(ULONG));
tmp += sizeof(ULONG);
lock = &entry->u.Unlock.locks;
while (lock) {
RtlCopyMemory(tmp, &lock->ByteOffset, sizeof(LONGLONG));
tmp += sizeof(LONGLONG);
RtlCopyMemory(tmp, &lock->Length, sizeof(LONGLONG));
tmp += sizeof(LONGLONG);
lock = lock->Next;
}
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_unlock: count=%u\n", entry->u.Unlock.count);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_close(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + sizeof(BOOLEAN) + sizeof(HANDLE);
if (entry->u.Close.remove)
header_len += length_as_utf8(entry->filename) +
sizeof(BOOLEAN);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(tmp, &entry->u.Close.remove, sizeof(BOOLEAN));
tmp += sizeof(BOOLEAN);
RtlCopyMemory(tmp, &entry->u.Close.srv_open, sizeof(HANDLE));
if (entry->u.Close.remove) {
tmp += sizeof(HANDLE);
status = marshall_unicode_as_utf8(&tmp, entry->filename);
if (status) goto out;
RtlCopyMemory(tmp, &entry->u.Close.renamed, sizeof(BOOLEAN));
}
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_close: name=%wZ remove=%d srv_open=%p renamed=%d\n",
entry->filename->Length?entry->filename:&SLASH,
entry->u.Close.remove, entry->u.Close.srv_open, entry->u.Close.renamed);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_dirquery(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + 2 * sizeof(ULONG) + sizeof(HANDLE) +
length_as_utf8(entry->u.QueryFile.filter) + 3 * sizeof(BOOLEAN);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(tmp, &entry->u.QueryFile.InfoClass, sizeof(ULONG));
tmp += sizeof(ULONG);
RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG));
tmp += sizeof(ULONG);
status = marshall_unicode_as_utf8(&tmp, entry->u.QueryFile.filter);
if (status) goto out;
RtlCopyMemory(tmp, &entry->u.QueryFile.initial_query, sizeof(BOOLEAN));
tmp += sizeof(BOOLEAN);
RtlCopyMemory(tmp, &entry->u.QueryFile.restart_scan, sizeof(BOOLEAN));
tmp += sizeof(BOOLEAN);
RtlCopyMemory(tmp, &entry->u.QueryFile.return_single, sizeof(BOOLEAN));
tmp += sizeof(BOOLEAN);
_SEH2_TRY {
entry->u.QueryFile.mdl_buf =
MmMapLockedPagesSpecifyCache(entry->u.QueryFile.mdl,
#ifndef __REACTOS__
UserMode, MmNonCached, NULL, TRUE, NormalPagePriority);
#else
UserMode, MmCached, NULL, TRUE, NormalPagePriority);
#endif
if (entry->u.QueryFile.mdl_buf == NULL) {
print_error("MmMapLockedPagesSpecifyCache failed to map pages\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
} _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) {
NTSTATUS code;
code = _SEH2_GetExceptionCode();
print_error("Call to MmMapLocked failed due to exception 0x%x\n", code);
status = STATUS_ACCESS_DENIED;
goto out;
} _SEH2_END;
RtlCopyMemory(tmp, &entry->u.QueryFile.mdl_buf, sizeof(HANDLE));
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_dirquery: filter='%wZ'class=%d len=%d "
"1st\\restart\\single=%d\\%d\\%d\n", entry->u.QueryFile.filter,
entry->u.QueryFile.InfoClass, entry->buf_len,
entry->u.QueryFile.initial_query, entry->u.QueryFile.restart_scan,
entry->u.QueryFile.return_single);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_filequery(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + 2 * sizeof(ULONG);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(tmp, &entry->u.QueryFile.InfoClass, sizeof(ULONG));
tmp += sizeof(ULONG);
RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG));
tmp += sizeof(ULONG);
RtlCopyMemory(tmp, &entry->session, sizeof(HANDLE));
tmp += sizeof(HANDLE);
RtlCopyMemory(tmp, &entry->open_state, sizeof(HANDLE));
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_filequery: class=%d\n", entry->u.QueryFile.InfoClass);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_fileset(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + length_as_utf8(entry->filename) +
2 * sizeof(ULONG) + entry->buf_len;
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
status = marshall_unicode_as_utf8(&tmp, entry->filename);
if (status) goto out;
RtlCopyMemory(tmp, &entry->u.SetFile.InfoClass, sizeof(ULONG));
tmp += sizeof(ULONG);
RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG));
tmp += sizeof(ULONG);
RtlCopyMemory(tmp, entry->buf, entry->buf_len);
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_fileset: filename='%wZ' class=%d\n",
entry->filename, entry->u.SetFile.InfoClass);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_easet(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + length_as_utf8(entry->filename) +
sizeof(ULONG) + entry->buf_len + sizeof(DWORD);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
status = marshall_unicode_as_utf8(&tmp, entry->filename);
if (status) goto out;
RtlCopyMemory(tmp, &entry->u.SetEa.mode, sizeof(DWORD));
tmp += sizeof(DWORD);
RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG));
tmp += sizeof(ULONG);
RtlCopyMemory(tmp, entry->buf, entry->buf_len);
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_easet: filename=%wZ, buflen=%d mode=0x%x\n",
entry->filename, entry->buf_len, entry->u.SetEa.mode);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_eaget(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + length_as_utf8(entry->filename) +
3 * sizeof(ULONG) + entry->u.QueryEa.EaListLength + 2 * sizeof(BOOLEAN);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
status = marshall_unicode_as_utf8(&tmp, entry->filename);
if (status) goto out;
RtlCopyMemory(tmp, &entry->u.QueryEa.EaIndex, sizeof(ULONG));
tmp += sizeof(ULONG);
RtlCopyMemory(tmp, &entry->u.QueryEa.RestartScan, sizeof(BOOLEAN));
tmp += sizeof(BOOLEAN);
RtlCopyMemory(tmp, &entry->u.QueryEa.ReturnSingleEntry, sizeof(BOOLEAN));
tmp += sizeof(BOOLEAN);
RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG));
tmp += sizeof(ULONG);
RtlCopyMemory(tmp, &entry->u.QueryEa.EaListLength, sizeof(ULONG));
tmp += sizeof(ULONG);
if (entry->u.QueryEa.EaList && entry->u.QueryEa.EaListLength)
RtlCopyMemory(tmp, entry->u.QueryEa.EaList,
entry->u.QueryEa.EaListLength);
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_eaget: filename=%wZ, index=%d list_len=%d "
"rescan=%d single=%d\n", entry->filename,
entry->u.QueryEa.EaIndex, entry->u.QueryEa.EaListLength,
entry->u.QueryEa.RestartScan, entry->u.QueryEa.ReturnSingleEntry);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_symlink(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + sizeof(BOOLEAN) + length_as_utf8(entry->filename);
if (entry->u.Symlink.set)
header_len += length_as_utf8(entry->u.Symlink.target);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
status = marshall_unicode_as_utf8(&tmp, entry->filename);
if (status) goto out;
RtlCopyMemory(tmp, &entry->u.Symlink.set, sizeof(BOOLEAN));
tmp += sizeof(BOOLEAN);
if (entry->u.Symlink.set) {
status = marshall_unicode_as_utf8(&tmp, entry->u.Symlink.target);
if (status) goto out;
}
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_symlink: name %wZ symlink target %wZ\n",
entry->filename,
entry->u.Symlink.set?entry->u.Symlink.target : NULL);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_volume(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + sizeof(FS_INFORMATION_CLASS);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(tmp, &entry->u.Volume.query, sizeof(FS_INFORMATION_CLASS));
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_volume: class=%d\n", entry->u.Volume.query);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_getacl(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + sizeof(SECURITY_INFORMATION);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(tmp, &entry->u.Acl.query, sizeof(SECURITY_INFORMATION));
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_getacl: class=0x%x\n", entry->u.Acl.query);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_setacl(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG header_len = 0;
unsigned char *tmp = buf;
status = marshal_nfs41_header(entry, tmp, buf_len, len);
if (status) goto out;
else tmp += *len;
header_len = *len + sizeof(SECURITY_INFORMATION) +
sizeof(ULONG) + entry->buf_len;
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(tmp, &entry->u.Acl.query, sizeof(SECURITY_INFORMATION));
tmp += sizeof(SECURITY_INFORMATION);
RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG));
tmp += sizeof(ULONG);
RtlCopyMemory(tmp, entry->buf, entry->buf_len);
*len = header_len;
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("marshal_nfs41_setacl: class=0x%x sec_desc_len=%lu\n",
entry->u.Acl.query, entry->buf_len);
#endif
out:
return status;
}
NTSTATUS marshal_nfs41_shutdown(
nfs41_updowncall_entry *entry,
unsigned char *buf,
ULONG buf_len,
ULONG *len)
{
return marshal_nfs41_header(entry, buf, buf_len, len);
}
void nfs41_invalidate_cache (
IN PRX_CONTEXT RxContext)
{
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
unsigned char *buf = LowIoContext->ParamsFor.IoCtl.pInputBuffer;
ULONG flag = DISABLE_CACHING;
PMRX_SRV_OPEN srv_open;
RtlCopyMemory(&srv_open, buf, sizeof(HANDLE));
#ifdef DEBUG_INVALIDATE_CACHE
DbgP("nfs41_invalidate_cache: received srv_open=%p %wZ\n",
srv_open, srv_open->pAlreadyPrefixedName);
#endif
if (MmIsAddressValid(srv_open))
RxIndicateChangeOfBufferingStateForSrvOpen(
srv_open->pFcb->pNetRoot->pSrvCall, srv_open,
srv_open->Key, ULongToPtr(flag));
}
NTSTATUS handle_upcall(
IN PRX_CONTEXT RxContext,
IN nfs41_updowncall_entry *entry,
OUT ULONG *len)
{
NTSTATUS status = STATUS_SUCCESS;
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
ULONG cbOut = LowIoContext->ParamsFor.IoCtl.OutputBufferLength;
unsigned char *pbOut = LowIoContext->ParamsFor.IoCtl.pOutputBuffer;
status = SeImpersonateClientEx(entry->psec_ctx, NULL);
if (status != STATUS_SUCCESS) {
print_error("SeImpersonateClientEx failed %x\n", status);
goto out;
}
switch(entry->opcode) {
case NFS41_SHUTDOWN:
status = marshal_nfs41_shutdown(entry, pbOut, cbOut, len);
KeSetEvent(&entry->cond, 0, FALSE);
break;
case NFS41_MOUNT:
status = marshal_nfs41_mount(entry, pbOut, cbOut, len);
break;
case NFS41_UNMOUNT:
status = marshal_nfs41_unmount(entry, pbOut, cbOut, len);
break;
case NFS41_OPEN:
status = marshal_nfs41_open(entry, pbOut, cbOut, len);
break;
case NFS41_READ:
status = marshal_nfs41_rw(entry, pbOut, cbOut, len);
break;
case NFS41_WRITE:
status = marshal_nfs41_rw(entry, pbOut, cbOut, len);
break;
case NFS41_LOCK:
status = marshal_nfs41_lock(entry, pbOut, cbOut, len);
break;
case NFS41_UNLOCK:
status = marshal_nfs41_unlock(entry, pbOut, cbOut, len);
break;
case NFS41_CLOSE:
status = marshal_nfs41_close(entry, pbOut, cbOut, len);
break;
case NFS41_DIR_QUERY:
status = marshal_nfs41_dirquery(entry, pbOut, cbOut, len);
break;
case NFS41_FILE_QUERY:
status = marshal_nfs41_filequery(entry, pbOut, cbOut, len);
break;
case NFS41_FILE_SET:
status = marshal_nfs41_fileset(entry, pbOut, cbOut, len);
break;
case NFS41_EA_SET:
status = marshal_nfs41_easet(entry, pbOut, cbOut, len);
break;
case NFS41_EA_GET:
status = marshal_nfs41_eaget(entry, pbOut, cbOut, len);
break;
case NFS41_SYMLINK:
status = marshal_nfs41_symlink(entry, pbOut, cbOut, len);
break;
case NFS41_VOLUME_QUERY:
status = marshal_nfs41_volume(entry, pbOut, cbOut, len);
break;
case NFS41_ACL_QUERY:
status = marshal_nfs41_getacl(entry, pbOut, cbOut, len);
break;
case NFS41_ACL_SET:
status = marshal_nfs41_setacl(entry, pbOut, cbOut, len);
break;
default:
status = STATUS_INVALID_PARAMETER;
print_error("Unknown nfs41 ops %d\n", entry->opcode);
}
if (status == STATUS_SUCCESS)
print_hexbuf(0, (unsigned char *)"upcall buffer", pbOut, *len);
out:
return status;
}
NTSTATUS nfs41_UpcallCreate(
IN DWORD opcode,
IN PSECURITY_CLIENT_CONTEXT clnt_sec_ctx,
IN HANDLE session,
IN HANDLE open_state,
IN DWORD version,
IN PUNICODE_STRING filename,
OUT nfs41_updowncall_entry **entry_out)
{
NTSTATUS status = STATUS_SUCCESS;
nfs41_updowncall_entry *entry;
SECURITY_SUBJECT_CONTEXT sec_ctx;
SECURITY_QUALITY_OF_SERVICE sec_qos;
entry = RxAllocatePoolWithTag(NonPagedPool, sizeof(nfs41_updowncall_entry),
NFS41_MM_POOLTAG_UP);
if (entry == NULL) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlZeroMemory(entry, sizeof(nfs41_updowncall_entry));
entry->xid = InterlockedIncrement64(&xid);
entry->opcode = opcode;
entry->state = NFS41_WAITING_FOR_UPCALL;
entry->session = session;
entry->open_state = open_state;
entry->version = version;
if (filename && filename->Length) entry->filename = filename;
else if (filename && !filename->Length) entry->filename = (PUNICODE_STRING)&SLASH;
else entry->filename = (PUNICODE_STRING)&EMPTY_STRING;
/*XXX KeInitializeEvent will bugcheck under verifier if allocated
* from PagedPool? */
KeInitializeEvent(&entry->cond, SynchronizationEvent, FALSE);
ExInitializeFastMutex(&entry->lock);
if (clnt_sec_ctx == NULL) {
SeCaptureSubjectContext(&sec_ctx);
sec_qos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
sec_qos.ImpersonationLevel = SecurityImpersonation;
sec_qos.Length = sizeof(SECURITY_QUALITY_OF_SERVICE);
sec_qos.EffectiveOnly = 0;
status = SeCreateClientSecurityFromSubjectContext(&sec_ctx, &sec_qos,
1, &entry->sec_ctx);
if (status != STATUS_SUCCESS) {
print_error("nfs41_UpcallCreate: "
"SeCreateClientSecurityFromSubjectContext failed with %x\n",
status);
RxFreePool(entry);
} else
entry->psec_ctx = &entry->sec_ctx;
SeReleaseSubjectContext(&sec_ctx);
} else
entry->psec_ctx = clnt_sec_ctx;
*entry_out = entry;
out:
return status;
}
NTSTATUS nfs41_UpcallWaitForReply(
IN nfs41_updowncall_entry *entry,
IN DWORD secs)
{
NTSTATUS status = STATUS_SUCCESS;
nfs41_AddEntry(upcallLock, upcall, entry);
KeSetEvent(&upcallEvent, 0, FALSE);
if (!entry->async_op) {
LARGE_INTEGER timeout;
timeout.QuadPart = RELATIVE(SECONDS(secs));
/* 02/03/2011 AGLO: it is not clear what the "right" waiting design
* should be. Having non-interruptable waiting seems to be the right
* approach. However, when things go wrong, the only wait to proceed
* is a reboot (since "waits" are not interruptable we can't stop a
* hung task. Having interruptable wait causes issues with security
* context. For now, I'm making CLOSE non-interruptable but keeping
* the rest interruptable so that we don't have to reboot all the time
*/
/* 02/15/2011 cbodley: added NFS41_UNLOCK for the same reason. locking
* tests were triggering an interrupted unlock, which led to a bugcheck
* in CloseSrvOpen() */
#define MAKE_WAITONCLOSE_NONITERRUPTABLE
#ifdef MAKE_WAITONCLOSE_NONITERRUPTABLE
if (entry->opcode == NFS41_CLOSE || entry->opcode == NFS41_UNLOCK)
status = KeWaitForSingleObject(&entry->cond, Executive,
KernelMode, FALSE, &timeout);
else {
status = KeWaitForSingleObject(&entry->cond, Executive,
UserMode, TRUE, &timeout);
}
if (status != STATUS_SUCCESS) {
print_wait_status(1, "[downcall]", status,
opcode2string(entry->opcode), entry, entry->xid);
if (status == STATUS_TIMEOUT)
status = STATUS_NETWORK_UNREACHABLE;
}
#else
status = KeWaitForSingleObject(&entry->cond, Executive, KernelMode, FALSE, NULL);
#endif
print_wait_status(0, "[downcall]", status, opcode2string(entry->opcode),
entry, entry->xid);
} else
goto out;
switch(status) {
case STATUS_SUCCESS: break;
case STATUS_USER_APC:
case STATUS_ALERTED:
default:
ExAcquireFastMutex(&entry->lock);
if (entry->state == NFS41_DONE_PROCESSING) {
ExReleaseFastMutex(&entry->lock);
break;
}
DbgP("[upcall] abandoning %s entry=%p xid=%lld\n",
opcode2string(entry->opcode), entry, entry->xid);
entry->state = NFS41_NOT_WAITING;
ExReleaseFastMutex(&entry->lock);
goto out;
}
nfs41_RemoveEntry(downcallLock, entry);
out:
return status;
}
NTSTATUS nfs41_upcall(
IN PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
nfs41_updowncall_entry *entry = NULL;
ULONG len = 0;
PLIST_ENTRY pEntry;
process_upcall:
nfs41_RemoveFirst(upcallLock, upcall, pEntry);
if (pEntry) {
entry = (nfs41_updowncall_entry *)CONTAINING_RECORD(pEntry,
nfs41_updowncall_entry, next);
ExAcquireFastMutex(&entry->lock);
nfs41_AddEntry(downcallLock, downcall, entry);
status = handle_upcall(RxContext, entry, &len);
if (status == STATUS_SUCCESS &&
entry->state == NFS41_WAITING_FOR_UPCALL)
entry->state = NFS41_WAITING_FOR_DOWNCALL;
ExReleaseFastMutex(&entry->lock);
if (status) {
entry->status = status;
KeSetEvent(&entry->cond, 0, FALSE);
RxContext->InformationToReturn = 0;
} else
RxContext->InformationToReturn = len;
}
else {
status = KeWaitForSingleObject(&upcallEvent, Executive, UserMode, TRUE,
(PLARGE_INTEGER) NULL);
print_wait_status(0, "[upcall]", status, NULL, NULL, 0);
switch (status) {
case STATUS_SUCCESS: goto process_upcall;
case STATUS_USER_APC:
case STATUS_ALERTED:
default: goto out;
}
}
out:
return status;
}
void unmarshal_nfs41_header(
nfs41_updowncall_entry *tmp,
unsigned char **buf)
{
RtlZeroMemory(tmp, sizeof(nfs41_updowncall_entry));
RtlCopyMemory(&tmp->xid, *buf, sizeof(tmp->xid));
*buf += sizeof(tmp->xid);
RtlCopyMemory(&tmp->opcode, *buf, sizeof(tmp->opcode));
*buf += sizeof(tmp->opcode);
RtlCopyMemory(&tmp->status, *buf, sizeof(tmp->status));
*buf += sizeof(tmp->status);
RtlCopyMemory(&tmp->errno, *buf, sizeof(tmp->errno));
*buf += sizeof(tmp->errno);
#ifdef DEBUG_MARSHAL_HEADER
DbgP("[downcall header] xid=%lld opcode=%s status=%d errno=%d\n", tmp->xid,
opcode2string(tmp->opcode), tmp->status, tmp->errno);
#endif
}
void unmarshal_nfs41_mount(
nfs41_updowncall_entry *cur,
unsigned char **buf)
{
RtlCopyMemory(&cur->session, *buf, sizeof(HANDLE));
*buf += sizeof(HANDLE);
RtlCopyMemory(&cur->version, *buf, sizeof(DWORD));
*buf += sizeof(DWORD);
RtlCopyMemory(&cur->u.Mount.lease_time, *buf, sizeof(DWORD));
*buf += sizeof(DWORD);
RtlCopyMemory(cur->u.Mount.FsAttrs, *buf, sizeof(FILE_FS_ATTRIBUTE_INFORMATION));
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("unmarshal_nfs41_mount: session pointer 0x%x version %d lease_time "
"%d\n", cur->session, cur->version, cur->u.Mount.lease_time);
#endif
}
VOID unmarshal_nfs41_setattr(
nfs41_updowncall_entry *cur,
PULONGLONG dest_buf,
unsigned char **buf)
{
RtlCopyMemory(dest_buf, *buf, sizeof(ULONGLONG));
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("unmarshal_nfs41_setattr: returned ChangeTime %llu\n", *dest_buf);
#endif
}
NTSTATUS unmarshal_nfs41_rw(
nfs41_updowncall_entry *cur,
unsigned char **buf)
{
NTSTATUS status = STATUS_SUCCESS;
RtlCopyMemory(&cur->buf_len, *buf, sizeof(cur->buf_len));
*buf += sizeof(cur->buf_len);
RtlCopyMemory(&cur->ChangeTime, *buf, sizeof(ULONGLONG));
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("unmarshal_nfs41_rw: returned len %lu ChangeTime %llu\n",
cur->buf_len, cur->ChangeTime);
#endif
#if 1
/* 08/27/2010: it looks like we really don't need to call
* MmUnmapLockedPages() eventhough we called
* MmMapLockedPagesSpecifyCache() as the MDL passed to us
* is already locked.
*/
_SEH2_TRY {
MmUnmapLockedPages(cur->buf, cur->u.ReadWrite.MdlAddress);
} _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) {
NTSTATUS code;
code = _SEH2_GetExceptionCode();
print_error("Call to MmUnmapLockedPages failed due to"
" exception 0x%0x\n", code);
status = STATUS_ACCESS_DENIED;
} _SEH2_END;
#endif
return status;
}
NTSTATUS unmarshal_nfs41_open(
nfs41_updowncall_entry *cur,
unsigned char **buf)
{
NTSTATUS status = STATUS_SUCCESS;
_SEH2_TRY {
if (cur->u.Open.EaBuffer)
MmUnmapLockedPages(cur->u.Open.EaBuffer, cur->u.Open.EaMdl);
} _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) {
print_error("MmUnmapLockedPages thrown exception=0x%0x\n", _SEH2_GetExceptionCode());
status = cur->status = STATUS_ACCESS_DENIED;
goto out;
} _SEH2_END;
RtlCopyMemory(&cur->u.Open.binfo, *buf, sizeof(FILE_BASIC_INFORMATION));
*buf += sizeof(FILE_BASIC_INFORMATION);
RtlCopyMemory(&cur->u.Open.sinfo, *buf, sizeof(FILE_STANDARD_INFORMATION));
*buf += sizeof(FILE_STANDARD_INFORMATION);
RtlCopyMemory(&cur->open_state, *buf, sizeof(HANDLE));
*buf += sizeof(HANDLE);
RtlCopyMemory(&cur->u.Open.mode, *buf, sizeof(DWORD));
*buf += sizeof(DWORD);
RtlCopyMemory(&cur->ChangeTime, *buf, sizeof(ULONGLONG));
*buf += sizeof(ULONGLONG);
RtlCopyMemory(&cur->u.Open.deleg_type, *buf, sizeof(DWORD));
*buf += sizeof(DWORD);
if (cur->errno == ERROR_REPARSE) {
RtlCopyMemory(&cur->u.Open.symlink_embedded, *buf, sizeof(BOOLEAN));
*buf += sizeof(BOOLEAN);
RtlCopyMemory(&cur->u.Open.symlink.MaximumLength, *buf,
sizeof(USHORT));
*buf += sizeof(USHORT);
cur->u.Open.symlink.Length = cur->u.Open.symlink.MaximumLength -
sizeof(WCHAR);
cur->u.Open.symlink.Buffer = RxAllocatePoolWithTag(NonPagedPool,
cur->u.Open.symlink.MaximumLength, NFS41_MM_POOLTAG);
if (cur->u.Open.symlink.Buffer == NULL) {
cur->status = STATUS_INSUFFICIENT_RESOURCES;
status = STATUS_UNSUCCESSFUL;
goto out;
}
RtlCopyMemory(cur->u.Open.symlink.Buffer, *buf,
cur->u.Open.symlink.MaximumLength);
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("unmarshal_nfs41_open: ERROR_REPARSE -> '%wZ'\n", &cur->u.Open.symlink);
#endif
}
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("unmarshal_nfs41_open: open_state 0x%x mode %o changeattr %llu "
"deleg_type %d\n", cur->open_state, cur->u.Open.mode,
cur->ChangeTime, cur->u.Open.deleg_type);
#endif
out:
return status;
}
NTSTATUS unmarshal_nfs41_dirquery(
nfs41_updowncall_entry *cur,
unsigned char **buf)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG buf_len;
RtlCopyMemory(&buf_len, *buf, sizeof(ULONG));
#ifdef DEBUG_MARSHAL_DETAIL
DbgP("unmarshal_nfs41_dirquery: reply size %d\n", buf_len);
#endif
*buf += sizeof(ULONG);
_SEH2_TRY {
MmUnmapLockedPages(cur->u.QueryFile.mdl_buf, cur->u.QueryFile.mdl);
} _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) {
NTSTATUS code;
code = _SEH2_GetExceptionCode();
print_error("MmUnmapLockedPages thrown exception=0x%0x\n", code);
status = STATUS_ACCESS_DENIED;
} _SEH2_END;
if (buf_len > cur->buf_len)
cur->status = STATUS_BUFFER_TOO_SMALL;
cur->buf_len = buf_len;
return status;
}
void unmarshal_nfs41_attrget(
nfs41_updowncall_entry *cur,
PVOID attr_value,
ULONG *attr_len,
unsigned char **buf)
{
ULONG buf_len;
RtlCopyMemory(&buf_len, *buf, sizeof(ULONG));
if (buf_len > *attr_len) {
cur->status = STATUS_BUFFER_TOO_SMALL;
return;
}
*buf += sizeof(ULONG);
*attr_len = buf_len;
RtlCopyMemory(attr_value, *buf, buf_len);
*buf += buf_len;
}
void unmarshal_nfs41_eaget(
nfs41_updowncall_entry *cur,
unsigned char **buf)
{
RtlCopyMemory(&cur->u.QueryEa.Overflow, *buf, sizeof(ULONG));
*buf += sizeof(ULONG);
RtlCopyMemory(&cur->buf_len, *buf, sizeof(ULONG));
*buf += sizeof(ULONG);
if (cur->u.QueryEa.Overflow != ERROR_INSUFFICIENT_BUFFER) {
RtlCopyMemory(cur->buf, *buf, cur->buf_len);
*buf += cur->buf_len;
}
}
void unmarshal_nfs41_getattr(
nfs41_updowncall_entry *cur,
unsigned char **buf)
{
unmarshal_nfs41_attrget(cur, cur->buf, &cur->buf_len, buf);
RtlCopyMemory(&cur->ChangeTime, *buf, sizeof(LONGLONG));
#ifdef DEBUG_MARSHAL_DETAIL
if (cur->u.QueryFile.InfoClass == FileBasicInformation)
DbgP("[unmarshal_nfs41_getattr] ChangeTime %llu\n", cur->ChangeTime);
#endif
}
NTSTATUS unmarshal_nfs41_getacl(
nfs41_updowncall_entry *cur,
unsigned char **buf)
{
NTSTATUS status = STATUS_SUCCESS;
DWORD buf_len;
RtlCopyMemory(&buf_len, *buf, sizeof(DWORD));
*buf += sizeof(DWORD);
cur->buf = RxAllocatePoolWithTag(NonPagedPool,
buf_len, NFS41_MM_POOLTAG_ACL);
if (cur->buf == NULL) {
cur->status = status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlCopyMemory(cur->buf, *buf, buf_len);
if (buf_len > cur->buf_len)
cur->status = STATUS_BUFFER_TOO_SMALL;
cur->buf_len = buf_len;
out:
return status;
}
void unmarshal_nfs41_symlink(
nfs41_updowncall_entry *cur,
unsigned char **buf)
{
if (cur->u.Symlink.set) return;
RtlCopyMemory(&cur->u.Symlink.target->Length, *buf, sizeof(USHORT));
*buf += sizeof(USHORT);
if (cur->u.Symlink.target->Length >
cur->u.Symlink.target->MaximumLength) {
cur->status = STATUS_BUFFER_TOO_SMALL;
return;
}
RtlCopyMemory(cur->u.Symlink.target->Buffer, *buf,
cur->u.Symlink.target->Length);
cur->u.Symlink.target->Length -= sizeof(UNICODE_NULL);
}
NTSTATUS nfs41_downcall(
IN PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
ULONG in_len = LowIoContext->ParamsFor.IoCtl.InputBufferLength;
unsigned char *buf = LowIoContext->ParamsFor.IoCtl.pInputBuffer;
PLIST_ENTRY pEntry;
nfs41_updowncall_entry *tmp, *cur= NULL;
BOOLEAN found = 0;
print_hexbuf(0, (unsigned char *)"downcall buffer", buf, in_len);
tmp = RxAllocatePoolWithTag(NonPagedPool, sizeof(nfs41_updowncall_entry),
NFS41_MM_POOLTAG_DOWN);
if (tmp == NULL) goto out;
unmarshal_nfs41_header(tmp, &buf);
ExAcquireFastMutex(&downcallLock);
pEntry = &downcall.head;
pEntry = pEntry->Flink;
while (pEntry != NULL) {
cur = (nfs41_updowncall_entry *)CONTAINING_RECORD(pEntry,
nfs41_updowncall_entry, next);
if (cur->xid == tmp->xid) {
found = 1;
break;
}
if (pEntry->Flink == &downcall.head)
break;
pEntry = pEntry->Flink;
}
ExReleaseFastMutex(&downcallLock);
SeStopImpersonatingClient();
if (!found) {
print_error("Didn't find xid=%lld entry\n", tmp->xid);
goto out_free;
}
ExAcquireFastMutex(&cur->lock);
if (cur->state == NFS41_NOT_WAITING) {
DbgP("[downcall] Nobody is waiting for this request!!!\n");
switch(cur->opcode) {
case NFS41_WRITE:
case NFS41_READ:
MmUnmapLockedPages(cur->buf, cur->u.ReadWrite.MdlAddress);
break;
case NFS41_DIR_QUERY:
MmUnmapLockedPages(cur->u.QueryFile.mdl_buf,
cur->u.QueryFile.mdl);
IoFreeMdl(cur->u.QueryFile.mdl);
break;
case NFS41_OPEN:
if (cur->u.Open.EaMdl) {
MmUnmapLockedPages(cur->u.Open.EaBuffer,
cur->u.Open.EaMdl);
IoFreeMdl(cur->u.Open.EaMdl);
}
break;
}
ExReleaseFastMutex(&cur->lock);
nfs41_RemoveEntry(downcallLock, cur);
RxFreePool(cur);
status = STATUS_UNSUCCESSFUL;
goto out_free;
}
cur->state = NFS41_DONE_PROCESSING;
cur->status = tmp->status;
cur->errno = tmp->errno;
status = STATUS_SUCCESS;
if (!tmp->status) {
switch (tmp->opcode) {
case NFS41_MOUNT:
unmarshal_nfs41_mount(cur, &buf);
break;
case NFS41_WRITE:
case NFS41_READ:
status = unmarshal_nfs41_rw(cur, &buf);
break;
case NFS41_OPEN:
status = unmarshal_nfs41_open(cur, &buf);
break;
case NFS41_DIR_QUERY:
status = unmarshal_nfs41_dirquery(cur, &buf);
break;
case NFS41_FILE_QUERY:
unmarshal_nfs41_getattr(cur, &buf);
break;
case NFS41_EA_GET:
unmarshal_nfs41_eaget(cur, &buf);
break;
case NFS41_SYMLINK:
unmarshal_nfs41_symlink(cur, &buf);
break;
case NFS41_VOLUME_QUERY:
unmarshal_nfs41_attrget(cur, cur->buf, &cur->buf_len, &buf);
break;
case NFS41_ACL_QUERY:
status = unmarshal_nfs41_getacl(cur, &buf);
break;
case NFS41_FILE_SET:
unmarshal_nfs41_setattr(cur, &cur->ChangeTime, &buf);
break;
case NFS41_EA_SET:
unmarshal_nfs41_setattr(cur, &cur->ChangeTime, &buf);
break;
case NFS41_ACL_SET:
unmarshal_nfs41_setattr(cur, &cur->ChangeTime, &buf);
break;
}
}
ExReleaseFastMutex(&cur->lock);
if (cur->async_op) {
if (cur->status == STATUS_SUCCESS) {
cur->u.ReadWrite.rxcontext->StoredStatus = STATUS_SUCCESS;
cur->u.ReadWrite.rxcontext->InformationToReturn =
cur->buf_len;
} else {
cur->u.ReadWrite.rxcontext->StoredStatus =
map_readwrite_errors(cur->status);
cur->u.ReadWrite.rxcontext->InformationToReturn = 0;
}
nfs41_RemoveEntry(downcallLock, cur);
RxLowIoCompletion(cur->u.ReadWrite.rxcontext);
RxFreePool(cur);
} else
KeSetEvent(&cur->cond, 0, FALSE);
out_free:
RxFreePool(tmp);
out:
return status;
}
NTSTATUS nfs41_shutdown_daemon(
DWORD version)
{
NTSTATUS status = STATUS_SUCCESS;
nfs41_updowncall_entry *entry = NULL;
DbgEn();
status = nfs41_UpcallCreate(NFS41_SHUTDOWN, NULL, INVALID_HANDLE_VALUE,
INVALID_HANDLE_VALUE, version, NULL, &entry);
if (status) goto out;
status = nfs41_UpcallWaitForReply(entry, UPCALL_TIMEOUT_DEFAULT);
SeDeleteClientSecurity(&entry->sec_ctx);
if (status) goto out;
RxFreePool(entry);
out:
DbgEx();
return status;
}
NTSTATUS SharedMemoryInit(
OUT PHANDLE phSection)
{
NTSTATUS status;
HANDLE hSection;
UNICODE_STRING SectionName;
SECURITY_DESCRIPTOR SecurityDesc;
OBJECT_ATTRIBUTES SectionAttrs;
LARGE_INTEGER nSectionSize;
DbgEn();
RtlInitUnicodeString(&SectionName, NFS41_SHARED_MEMORY_NAME);
/* XXX: setting dacl=NULL grants access to everyone */
status = RtlCreateSecurityDescriptor(&SecurityDesc,
SECURITY_DESCRIPTOR_REVISION);
if (status) {
print_error("RtlCreateSecurityDescriptor() failed with %08X\n", status);
goto out;
}
status = RtlSetDaclSecurityDescriptor(&SecurityDesc, TRUE, NULL, FALSE);
if (status) {
print_error("RtlSetDaclSecurityDescriptor() failed with %08X\n", status);
goto out;
}
InitializeObjectAttributes(&SectionAttrs, &SectionName,
0, NULL, &SecurityDesc);
nSectionSize.QuadPart = sizeof(NFS41NP_SHARED_MEMORY);
status = ZwCreateSection(&hSection, SECTION_MAP_READ | SECTION_MAP_WRITE,
&SectionAttrs, &nSectionSize, PAGE_READWRITE, SEC_COMMIT, NULL);
switch (status) {
case STATUS_SUCCESS:
break;
case STATUS_OBJECT_NAME_COLLISION:
DbgP("section already created; returning success\n");
status = STATUS_SUCCESS;
goto out;
default:
DbgP("ZwCreateSection failed with %08X\n", status);
goto out;
}
out:
DbgEx();
return status;
}
NTSTATUS SharedMemoryFree(
IN HANDLE hSection)
{
NTSTATUS status;
DbgEn();
status = ZwClose(hSection);
DbgEx();
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_Start(
#else
NTSTATUS nfs41_Start(
#endif
IN OUT PRX_CONTEXT RxContext,
IN OUT PRDBSS_DEVICE_OBJECT dev)
{
NTSTATUS status;
NFS41GetDeviceExtension(RxContext, DevExt);
DbgEn();
status = SharedMemoryInit(&DevExt->SharedMemorySection);
if (status) {
print_error("InitSharedMemory failed with %08X\n", status);
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
InterlockedCompareExchange((PLONG)&nfs41_start_state,
NFS41_START_DRIVER_STARTED,
NFS41_START_DRIVER_START_IN_PROGRESS);
out:
DbgEx();
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_Stop(
#else
NTSTATUS nfs41_Stop(
#endif
IN OUT PRX_CONTEXT RxContext,
IN OUT PRDBSS_DEVICE_OBJECT dev)
{
NTSTATUS status;
NFS41GetDeviceExtension(RxContext, DevExt);
DbgEn();
status = SharedMemoryFree(DevExt->SharedMemorySection);
DbgEx();
return status;
}
NTSTATUS GetConnectionHandle(
IN PUNICODE_STRING ConnectionName,
IN PVOID EaBuffer,
IN ULONG EaLength,
OUT PHANDLE Handle)
{
NTSTATUS status;
IO_STATUS_BLOCK IoStatusBlock;
OBJECT_ATTRIBUTES ObjectAttributes;
#ifdef DEBUG_MOUNT
DbgEn();
#endif
InitializeObjectAttributes(&ObjectAttributes, ConnectionName,
OBJ_CASE_INSENSITIVE|OBJ_KERNEL_HANDLE, NULL, NULL);
print_error("Len %d Buf %p\n", EaLength, EaBuffer);
status = ZwCreateFile(Handle, SYNCHRONIZE, &ObjectAttributes,
&IoStatusBlock, NULL, FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OPEN_IF,
FILE_CREATE_TREE_CONNECTION | FILE_SYNCHRONOUS_IO_NONALERT,
EaBuffer, EaLength);
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
NTSTATUS nfs41_GetConnectionInfoFromBuffer(
IN PVOID Buffer,
IN ULONG BufferLen,
OUT PUNICODE_STRING pConnectionName,
OUT PVOID *ppEaBuffer,
OUT PULONG pEaLength)
{
NTSTATUS status = STATUS_SUCCESS;
USHORT NameLength, EaPadding;
ULONG EaLength, BufferLenExpected;
PBYTE ptr;
/* make sure buffer is at least big enough for header */
if (BufferLen < sizeof(USHORT) + sizeof(USHORT) + sizeof(ULONG)) {
status = STATUS_BAD_NETWORK_NAME;
print_error("Invalid input buffer.\n");
pConnectionName->Length = pConnectionName->MaximumLength = 0;
*ppEaBuffer = NULL;
*pEaLength = 0;
goto out;
}
ptr = Buffer;
NameLength = *(PUSHORT)ptr;
ptr += sizeof(USHORT);
EaPadding = *(PUSHORT)ptr;
ptr += sizeof(USHORT);
EaLength = *(PULONG)ptr;
ptr += sizeof(ULONG);
/* validate buffer length */
BufferLenExpected = sizeof(USHORT) + sizeof(USHORT) + sizeof(ULONG) +
NameLength + EaPadding + EaLength;
if (BufferLen != BufferLenExpected) {
status = STATUS_BAD_NETWORK_NAME;
print_error("Received buffer of length %lu, but expected %lu bytes.\n",
BufferLen, BufferLenExpected);
pConnectionName->Length = pConnectionName->MaximumLength = 0;
*ppEaBuffer = NULL;
*pEaLength = 0;
goto out;
}
pConnectionName->Buffer = (PWCH)ptr;
pConnectionName->Length = NameLength - sizeof(WCHAR);
pConnectionName->MaximumLength = NameLength;
if (EaLength)
*ppEaBuffer = ptr + NameLength + EaPadding;
else
*ppEaBuffer = NULL;
*pEaLength = EaLength;
out:
return status;
}
NTSTATUS nfs41_CreateConnection(
IN PRX_CONTEXT RxContext,
OUT PBOOLEAN PostToFsp)
{
NTSTATUS status = STATUS_SUCCESS;
HANDLE Handle = INVALID_HANDLE_VALUE;
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
PVOID Buffer = LowIoContext->ParamsFor.IoCtl.pInputBuffer, EaBuffer;
ULONG BufferLen = LowIoContext->ParamsFor.IoCtl.InputBufferLength, EaLength;
UNICODE_STRING FileName;
BOOLEAN Wait = BooleanFlagOn(RxContext->Flags, RX_CONTEXT_FLAG_WAIT);
#ifdef DEBUG_MOUNT
DbgEn();
#endif
if (!Wait) {
//just post right now!
DbgP("returning STATUS_PENDING\n");
*PostToFsp = TRUE;
status = STATUS_PENDING;
goto out;
}
status = nfs41_GetConnectionInfoFromBuffer(Buffer, BufferLen,
&FileName, &EaBuffer, &EaLength);
if (status != STATUS_SUCCESS)
goto out;
status = GetConnectionHandle(&FileName, EaBuffer, EaLength, &Handle);
if (!status && Handle != INVALID_HANDLE_VALUE)
ZwClose(Handle);
out:
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
#ifdef ENABLE_TIMINGS
void print_op_stat(
const char *op_str,
nfs41_timings *time, BOOLEAN clear)
{
DbgP("%-9s: num_ops=%-10d delta_ticks=%-10d size=%-10d\n", op_str,
time->tops, time->tops ? time->ticks/time->tops : 0,
time->sops ? time->size/time->sops : 0);
if (clear) {
time->tops = 0;
time->ticks = 0;
time->size = 0;
time->sops = 0;
}
}
#endif
NTSTATUS nfs41_unmount(
HANDLE session,
DWORD version,
DWORD timeout)
{
NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES;
nfs41_updowncall_entry *entry;
#ifdef DEBUG_MOUNT
DbgEn();
#endif
status = nfs41_UpcallCreate(NFS41_UNMOUNT, NULL, session,
INVALID_HANDLE_VALUE, version, NULL, &entry);
SeDeleteClientSecurity(&entry->sec_ctx);
if (status) goto out;
nfs41_UpcallWaitForReply(entry, timeout);
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
print_op_stat("lookup", &lookup, 1);
print_op_stat("open", &open, 1);
print_op_stat("close", &close, 1);
print_op_stat("volume", &volume, 1);
print_op_stat("getattr", &getattr, 1);
print_op_stat("setattr", &setattr, 1);
print_op_stat("getexattr", &getexattr, 1);
print_op_stat("setexattr", &setexattr, 1);
print_op_stat("readdir", &readdir, 1);
print_op_stat("getacl", &getacl, 1);
print_op_stat("setacl", &setacl, 1);
print_op_stat("read", &read, 1);
print_op_stat("write", &write, 1);
print_op_stat("lock", &lock, 1);
print_op_stat("unlock", &unlock, 1);
#endif
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
NTSTATUS nfs41_DeleteConnection (
IN PRX_CONTEXT RxContext,
OUT PBOOLEAN PostToFsp)
{
NTSTATUS status = STATUS_INVALID_PARAMETER;
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
PWCHAR ConnectName = LowIoContext->ParamsFor.IoCtl.pInputBuffer;
ULONG ConnectNameLen = LowIoContext->ParamsFor.IoCtl.InputBufferLength;
HANDLE Handle;
UNICODE_STRING FileName;
PFILE_OBJECT pFileObject;
BOOLEAN Wait = BooleanFlagOn(RxContext->Flags, RX_CONTEXT_FLAG_WAIT);
#ifdef DEBUG_MOUNT
DbgEn();
#endif
if (!Wait) {
//just post right now!
*PostToFsp = TRUE;
DbgP("returning STATUS_PENDING\n");
status = STATUS_PENDING;
goto out;
}
FileName.Buffer = ConnectName;
FileName.Length = (USHORT) ConnectNameLen - sizeof(WCHAR);
FileName.MaximumLength = (USHORT) ConnectNameLen;
status = GetConnectionHandle(&FileName, NULL, 0, &Handle);
if (status != STATUS_SUCCESS)
goto out;
status = ObReferenceObjectByHandle(Handle, 0L, NULL, KernelMode,
(PVOID *)&pFileObject, NULL);
if (NT_SUCCESS(status)) {
PV_NET_ROOT VNetRoot;
// VNetRoot exists as FOBx in the FsContext2
VNetRoot = (PV_NET_ROOT) pFileObject->FsContext2;
// make sure the node looks right
if (NodeType(VNetRoot) == RDBSS_NTC_V_NETROOT)
{
#ifdef DEBUG_MOUNT
DbgP("Calling RxFinalizeConnection for NetRoot %p from VNetRoot %p\n",
VNetRoot->NetRoot, VNetRoot);
#endif
status = RxFinalizeConnection(VNetRoot->NetRoot, VNetRoot, TRUE);
}
else
status = STATUS_BAD_NETWORK_NAME;
ObDereferenceObject(pFileObject);
}
ZwClose(Handle);
out:
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_DevFcbXXXControlFile(
#else
NTSTATUS nfs41_DevFcbXXXControlFile(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST;
UCHAR op = RxContext->MajorFunction;
PLOWIO_CONTEXT io_ctx = &RxContext->LowIoContext;
ULONG fsop = io_ctx->ParamsFor.FsCtl.FsControlCode, state;
ULONG in_len = io_ctx->ParamsFor.IoCtl.InputBufferLength;
DWORD *buf = io_ctx->ParamsFor.IoCtl.pInputBuffer;
NFS41GetDeviceExtension(RxContext, DevExt);
DWORD nfs41d_version = 0;
//DbgEn();
print_ioctl(0, op);
switch(op) {
case IRP_MJ_FILE_SYSTEM_CONTROL:
status = STATUS_INVALID_DEVICE_REQUEST;
break;
case IRP_MJ_DEVICE_CONTROL:
case IRP_MJ_INTERNAL_DEVICE_CONTROL:
print_fs_ioctl(0, fsop);
switch (fsop) {
case IOCTL_NFS41_INVALCACHE:
nfs41_invalidate_cache(RxContext);
status = STATUS_SUCCESS;
break;
case IOCTL_NFS41_READ:
status = nfs41_upcall(RxContext);
break;
case IOCTL_NFS41_WRITE:
status = nfs41_downcall(RxContext);
break;
case IOCTL_NFS41_ADDCONN:
status = nfs41_CreateConnection(RxContext, &RxContext->PostRequest);
break;
case IOCTL_NFS41_DELCONN:
if (RxContext->RxDeviceObject->NumberOfActiveFcbs > 0) {
DbgP("device has open handles %d\n",
RxContext->RxDeviceObject->NumberOfActiveFcbs);
#ifdef __REACTOS__
if (RxContext->RxDeviceObject->pRxNetNameTable != NULL)
{
#define DUMP_FCB_TABLE_FROM_NETROOT(N) \
{ \
USHORT Bucket2; \
BOOLEAN Release2 = FALSE; \
if (!RxIsFcbTableLockAcquired(&(N)->FcbTable)) \
{ \
RxAcquireFcbTableLockExclusive(&(N)->FcbTable, TRUE); \
Release2 = TRUE; \
} \
for (Bucket2 = 0; Bucket2 < (N)->FcbTable.NumberOfBuckets; ++Bucket2) \
{ \
PLIST_ENTRY Entry2; \
for (Entry2 = (N)->FcbTable.HashBuckets[Bucket2].Flink; \
Entry2 != &(N)->FcbTable.HashBuckets[Bucket2]; \
Entry2 = Entry2->Flink) \
{ \
PFCB Fcb; \
Fcb = CONTAINING_RECORD(Entry2, FCB, FcbTableEntry.HashLinks); \
DbgP("Fcb: %p still has %d references\n", Fcb, Fcb->NodeReferenceCount); \
DbgP("It is for: %wZ\n", &Fcb->FcbTableEntry.Path); \
} \
} \
if (Release2) \
{ \
RxReleaseFcbTableLock(&(N)->FcbTable); \
} \
}
USHORT Bucket;
BOOLEAN Release = FALSE;
if (!RxIsPrefixTableLockAcquired(RxContext->RxDeviceObject->pRxNetNameTable))
{
RxAcquirePrefixTableLockExclusive(RxContext->RxDeviceObject->pRxNetNameTable, TRUE);
Release = TRUE;
}
for (Bucket = 0; Bucket < RxContext->RxDeviceObject->pRxNetNameTable->TableSize; ++Bucket)
{
PLIST_ENTRY Entry;
for (Entry = RxContext->RxDeviceObject->pRxNetNameTable->HashBuckets[Bucket].Flink;
Entry != &RxContext->RxDeviceObject->pRxNetNameTable->HashBuckets[Bucket];
Entry = Entry->Flink)
{
PVOID Container;
Container = CONTAINING_RECORD(Entry, RX_PREFIX_ENTRY, HashLinks)->ContainingRecord;
switch (NodeType(Container) & ~RX_SCAVENGER_MASK)
{
case RDBSS_NTC_NETROOT:
{
PNET_ROOT NetRoot;
NetRoot = Container;
DUMP_FCB_TABLE_FROM_NETROOT(NetRoot);
break;
}
case RDBSS_NTC_V_NETROOT:
{
PV_NET_ROOT VNetRoot;
VNetRoot = Container;
if (VNetRoot->NetRoot != NULL)
{
PNET_ROOT NetRoot;
NetRoot = VNetRoot->NetRoot;
DUMP_FCB_TABLE_FROM_NETROOT(NetRoot);
}
break;
}
default:
{
DbgP("Other node found: %x\n", NodeType(Container));
break;
}
}
}
}
if (Release)
{
RxReleasePrefixTableLock(RxContext->RxDeviceObject->pRxNetNameTable);
}
#undef DUMP_FCB_TABLE_FROM_NETROOT
}
else
{
DbgP("RxNetNameTable is NULL for: %p\n", RxContext->RxDeviceObject);
}
#endif
status = STATUS_REDIRECTOR_HAS_OPEN_HANDLES;
break;
}
status = nfs41_DeleteConnection(RxContext, &RxContext->PostRequest);
break;
case IOCTL_NFS41_GETSTATE:
state = RDR_NULL_STATE;
if (io_ctx->ParamsFor.IoCtl.OutputBufferLength >= sizeof(ULONG)) {
// map the states to control app's equivalents
print_driver_state(nfs41_start_state);
switch (nfs41_start_state) {
case NFS41_START_DRIVER_STARTABLE:
case NFS41_START_DRIVER_STOPPED:
state = RDR_STOPPED;
break;
case NFS41_START_DRIVER_START_IN_PROGRESS:
state = RDR_STARTING;
break;
case NFS41_START_DRIVER_STARTED:
state = RDR_STARTED;
break;
}
*(ULONG *)io_ctx->ParamsFor.IoCtl.pOutputBuffer = state;
RxContext->InformationToReturn = sizeof(ULONG);
status = STATUS_SUCCESS;
} else
status = STATUS_INVALID_PARAMETER;
break;
case IOCTL_NFS41_START:
print_driver_state(nfs41_start_state);
if (in_len >= sizeof(DWORD)) {
RtlCopyMemory(&nfs41d_version, buf, sizeof(DWORD));
DbgP("NFS41 Daemon sent start request with version %d\n",
nfs41d_version);
DbgP("Currently used NFS41 Daemon version is %d\n",
DevExt->nfs41d_version);
DevExt->nfs41d_version = nfs41d_version;
}
switch(nfs41_start_state) {
case NFS41_START_DRIVER_STARTABLE:
(nfs41_start_driver_state)InterlockedCompareExchange(
(PLONG)&nfs41_start_state,
NFS41_START_DRIVER_START_IN_PROGRESS,
NFS41_START_DRIVER_STARTABLE);
//lack of break is intentional
case NFS41_START_DRIVER_START_IN_PROGRESS:
status = RxStartMinirdr(RxContext, &RxContext->PostRequest);
if (status == STATUS_REDIRECTOR_STARTED) {
DbgP("redirector started\n");
status = STATUS_SUCCESS;
} else if (status == STATUS_PENDING &&
RxContext->PostRequest == TRUE) {
DbgP("RxStartMinirdr pending %08lx\n", status);
status = STATUS_MORE_PROCESSING_REQUIRED;
}
break;
case NFS41_START_DRIVER_STARTED:
status = STATUS_SUCCESS;
break;
default:
status = STATUS_INVALID_PARAMETER;
}
break;
case IOCTL_NFS41_STOP:
if (nfs41_start_state == NFS41_START_DRIVER_STARTED)
nfs41_shutdown_daemon(DevExt->nfs41d_version);
if (RxContext->RxDeviceObject->NumberOfActiveFcbs > 0) {
DbgP("device has open handles %d\n",
RxContext->RxDeviceObject->NumberOfActiveFcbs);
status = STATUS_REDIRECTOR_HAS_OPEN_HANDLES;
break;
}
state = (nfs41_start_driver_state)InterlockedCompareExchange(
(PLONG)&nfs41_start_state,
NFS41_START_DRIVER_STARTABLE,
NFS41_START_DRIVER_STARTED);
status = RxStopMinirdr(RxContext, &RxContext->PostRequest);
DbgP("RxStopMinirdr status %08lx\n", status);
if (status == STATUS_PENDING && RxContext->PostRequest == TRUE )
status = STATUS_MORE_PROCESSING_REQUIRED;
break;
default:
status = STATUS_INVALID_DEVICE_REQUEST;
};
break;
default:
status = STATUS_INVALID_DEVICE_REQUEST;
};
//DbgEx();
return status;
}
#ifndef __REACTOS__
NTSTATUS _nfs41_CreateSrvCall(
PMRX_SRVCALL_CALLBACK_CONTEXT pCallbackContext)
{
#else
NTSTATUS NTAPI _nfs41_CreateSrvCall(
PVOID pContext)
{
PMRX_SRVCALL_CALLBACK_CONTEXT pCallbackContext = pContext;
#endif
NTSTATUS status = STATUS_SUCCESS;
PMRX_SRVCALL_CALLBACK_CONTEXT SCCBC = pCallbackContext;
PMRX_SRV_CALL pSrvCall;
PMRX_SRVCALLDOWN_STRUCTURE SrvCalldownStructure =
(PMRX_SRVCALLDOWN_STRUCTURE)(SCCBC->SrvCalldownStructure);
PNFS41_SERVER_ENTRY pServerEntry = NULL;
#ifdef DEBUG_MOUNT
DbgEn();
#endif
pSrvCall = SrvCalldownStructure->SrvCall;
ASSERT( pSrvCall );
ASSERT( NodeType(pSrvCall) == RDBSS_NTC_SRVCALL );
print_srv_call(0, pSrvCall);
// validate the server name with the test name of 'pnfs'
#ifdef DEBUG_MOUNT
DbgP("SrvCall: Connection Name Length: %d %wZ\n",
pSrvCall->pSrvCallName->Length, pSrvCall->pSrvCallName);
#endif
if (pSrvCall->pSrvCallName->Length > SERVER_NAME_BUFFER_SIZE) {
print_error("Server name '%wZ' too long for server entry (max %u)\n",
pSrvCall->pSrvCallName, SERVER_NAME_BUFFER_SIZE);
status = STATUS_NAME_TOO_LONG;
goto out;
}
/* Let's create our own representation of the server */
pServerEntry = (PNFS41_SERVER_ENTRY)RxAllocatePoolWithTag(PagedPool,
sizeof(NFS41_SERVER_ENTRY), NFS41_MM_POOLTAG);
if (pServerEntry == NULL) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
RtlZeroMemory(pServerEntry, sizeof(NFS41_SERVER_ENTRY));
pServerEntry->Name.Buffer = pServerEntry->NameBuffer;
pServerEntry->Name.Length = pSrvCall->pSrvCallName->Length;
pServerEntry->Name.MaximumLength = SERVER_NAME_BUFFER_SIZE;
RtlCopyMemory(pServerEntry->Name.Buffer, pSrvCall->pSrvCallName->Buffer,
pServerEntry->Name.Length);
pCallbackContext->RecommunicateContext = pServerEntry;
#ifdef __REACTOS__
InterlockedExchangePointer((void * volatile *)&pServerEntry->pRdbssSrvCall, pSrvCall);
#else
InterlockedExchangePointer(&pServerEntry->pRdbssSrvCall, pSrvCall);
#endif
out:
SCCBC->Status = status;
SrvCalldownStructure->CallBack(SCCBC);
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
VOID NTAPI _nfs41_CreateSrvCall_v(
PVOID pCallbackContext)
{
_nfs41_CreateSrvCall(pCallbackContext);
}
#endif
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_CreateSrvCall(
#else
NTSTATUS nfs41_CreateSrvCall(
#endif
PMRX_SRV_CALL pSrvCall,
PMRX_SRVCALL_CALLBACK_CONTEXT pCallbackContext)
{
NTSTATUS status;
ASSERT( pSrvCall );
ASSERT( NodeType(pSrvCall) == RDBSS_NTC_SRVCALL );
if (IoGetCurrentProcess() == RxGetRDBSSProcess()) {
DbgP("executing with RDBSS context\n");
status = _nfs41_CreateSrvCall(pCallbackContext);
} else {
status = RxDispatchToWorkerThread(nfs41_dev, DelayedWorkQueue,
#ifdef __REACTOS__
_nfs41_CreateSrvCall_v, pCallbackContext);
#else
_nfs41_CreateSrvCall, pCallbackContext);
#endif
if (status != STATUS_SUCCESS) {
print_error("RxDispatchToWorkerThread returned status %08lx\n",
status);
pCallbackContext->Status = status;
pCallbackContext->SrvCalldownStructure->CallBack(pCallbackContext);
status = STATUS_PENDING;
}
}
/* RDBSS expects MRxCreateSrvCall to return STATUS_PENDING */
if (status == STATUS_SUCCESS)
status = STATUS_PENDING;
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_SrvCallWinnerNotify(
#else
NTSTATUS nfs41_SrvCallWinnerNotify(
#endif
IN OUT PMRX_SRV_CALL pSrvCall,
IN BOOLEAN ThisMinirdrIsTheWinner,
IN OUT PVOID pSrvCallContext)
{
NTSTATUS status = STATUS_SUCCESS;
PNFS41_SERVER_ENTRY pServerEntry;
pServerEntry = (PNFS41_SERVER_ENTRY)pSrvCallContext;
if (!ThisMinirdrIsTheWinner) {
ASSERT(1);
goto out;
}
pSrvCall->Context = pServerEntry;
out:
return status;
}
NTSTATUS map_mount_errors(
DWORD status)
{
switch (status) {
case NO_ERROR: return STATUS_SUCCESS;
case ERROR_NETWORK_UNREACHABLE: return STATUS_NETWORK_UNREACHABLE;
case ERROR_BAD_NET_RESP: return STATUS_UNEXPECTED_NETWORK_ERROR;
case ERROR_BAD_NET_NAME: return STATUS_BAD_NETWORK_NAME;
case ERROR_BAD_NETPATH: return STATUS_BAD_NETWORK_PATH;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INSUFFICIENT_RESOURCES\n", status);
return STATUS_INSUFFICIENT_RESOURCES;
}
}
NTSTATUS nfs41_mount(
PNFS41_MOUNT_CONFIG config,
DWORD sec_flavor,
PHANDLE session,
DWORD *version,
PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs)
{
NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES;
nfs41_updowncall_entry *entry;
#ifdef DEBUG_MOUNT
DbgEn();
DbgP("Server Name %wZ Mount Point %wZ SecFlavor %d\n",
&config->SrvName, &config->MntPt, sec_flavor);
#endif
status = nfs41_UpcallCreate(NFS41_MOUNT, NULL, *session,
INVALID_HANDLE_VALUE, *version, &config->MntPt, &entry);
if (status) goto out;
entry->u.Mount.srv_name = &config->SrvName;
entry->u.Mount.root = &config->MntPt;
entry->u.Mount.rsize = config->ReadSize;
entry->u.Mount.wsize = config->WriteSize;
entry->u.Mount.sec_flavor = sec_flavor;
entry->u.Mount.FsAttrs = FsAttrs;
status = nfs41_UpcallWaitForReply(entry, config->timeout);
SeDeleteClientSecurity(&entry->sec_ctx);
if (status) goto out;
*session = entry->session;
if (entry->u.Mount.lease_time > config->timeout)
config->timeout = entry->u.Mount.lease_time;
/* map windows ERRORs to NTSTATUS */
status = map_mount_errors(entry->status);
if (status == STATUS_SUCCESS)
*version = entry->version;
RxFreePool(entry);
out:
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
/* TODO: move mount config stuff to another file -cbodley */
void nfs41_MountConfig_InitDefaults(
OUT PNFS41_MOUNT_CONFIG Config)
{
RtlZeroMemory(Config, sizeof(NFS41_MOUNT_CONFIG));
Config->ReadSize = MOUNT_CONFIG_RW_SIZE_DEFAULT;
Config->WriteSize = MOUNT_CONFIG_RW_SIZE_DEFAULT;
Config->ReadOnly = FALSE;
Config->write_thru = FALSE;
Config->nocache = FALSE;
Config->SrvName.Length = 0;
Config->SrvName.MaximumLength = SERVER_NAME_BUFFER_SIZE;
Config->SrvName.Buffer = Config->srv_buffer;
Config->MntPt.Length = 0;
Config->MntPt.MaximumLength = MAX_PATH;
Config->MntPt.Buffer = Config->mntpt_buffer;
Config->SecFlavor.Length = 0;
Config->SecFlavor.MaximumLength = MAX_SEC_FLAVOR_LEN;
Config->SecFlavor.Buffer = Config->sec_flavor;
RtlCopyUnicodeString(&Config->SecFlavor, &AUTH_SYS_NAME);
Config->timeout = UPCALL_TIMEOUT_DEFAULT;
}
NTSTATUS nfs41_MountConfig_ParseBoolean(
IN PFILE_FULL_EA_INFORMATION Option,
IN PUNICODE_STRING usValue,
OUT PBOOLEAN Value)
{
NTSTATUS status = STATUS_SUCCESS;
/* if no value is specified, assume TRUE
* if a value is specified, it must be a '1' */
if (Option->EaValueLength == 0 || *usValue->Buffer == L'1')
*Value = TRUE;
else
*Value = FALSE;
DbgP(" '%ls' -> '%wZ' -> %u\n",
(LPWSTR)Option->EaName, usValue, *Value);
return status;
}
NTSTATUS nfs41_MountConfig_ParseDword(
IN PFILE_FULL_EA_INFORMATION Option,
IN PUNICODE_STRING usValue,
OUT PDWORD Value,
IN DWORD Minimum,
IN DWORD Maximum)
{
NTSTATUS status = STATUS_INVALID_PARAMETER;
LPWSTR Name = (LPWSTR)Option->EaName;
if (Option->EaValueLength) {
status = RtlUnicodeStringToInteger(usValue, 0, Value);
if (status == STATUS_SUCCESS) {
#ifdef IMPOSE_MINMAX_RWSIZES
if (*Value < Minimum)
*Value = Minimum;
if (*Value > Maximum)
*Value = Maximum;
DbgP(" '%ls' -> '%wZ' -> %lu\n", Name, usValue, *Value);
#endif
}
else
print_error("Failed to convert %s='%wZ' to unsigned long.\n",
Name, usValue);
}
return status;
}
NTSTATUS nfs41_MountConfig_ParseOptions(
IN PFILE_FULL_EA_INFORMATION EaBuffer,
IN ULONG EaLength,
IN OUT PNFS41_MOUNT_CONFIG Config)
{
NTSTATUS status = STATUS_SUCCESS;
PFILE_FULL_EA_INFORMATION Option;
LPWSTR Name;
size_t NameLen;
UNICODE_STRING usValue;
Option = EaBuffer;
while (status == STATUS_SUCCESS) {
Name = (LPWSTR)Option->EaName;
NameLen = Option->EaNameLength/sizeof(WCHAR);
usValue.Length = usValue.MaximumLength = Option->EaValueLength;
usValue.Buffer = (PWCH)(Option->EaName +
Option->EaNameLength + sizeof(WCHAR));
if (wcsncmp(L"ro", Name, NameLen) == 0) {
status = nfs41_MountConfig_ParseBoolean(Option, &usValue,
&Config->ReadOnly);
}
else if (wcsncmp(L"writethru", Name, NameLen) == 0) {
status = nfs41_MountConfig_ParseBoolean(Option, &usValue,
&Config->write_thru);
}
else if (wcsncmp(L"nocache", Name, NameLen) == 0) {
status = nfs41_MountConfig_ParseBoolean(Option, &usValue,
&Config->nocache);
}
else if (wcsncmp(L"timeout", Name, NameLen) == 0) {
status = nfs41_MountConfig_ParseDword(Option, &usValue,
&Config->timeout, UPCALL_TIMEOUT_DEFAULT,
UPCALL_TIMEOUT_DEFAULT);
}
else if (wcsncmp(L"rsize", Name, NameLen) == 0) {
status = nfs41_MountConfig_ParseDword(Option, &usValue,
&Config->ReadSize, MOUNT_CONFIG_RW_SIZE_MIN,
MOUNT_CONFIG_RW_SIZE_MAX);
}
else if (wcsncmp(L"wsize", Name, NameLen) == 0) {
status = nfs41_MountConfig_ParseDword(Option, &usValue,
&Config->WriteSize, MOUNT_CONFIG_RW_SIZE_MIN,
MOUNT_CONFIG_RW_SIZE_MAX);
}
else if (wcsncmp(L"srvname", Name, NameLen) == 0) {
if (usValue.Length > Config->SrvName.MaximumLength)
status = STATUS_NAME_TOO_LONG;
else
RtlCopyUnicodeString(&Config->SrvName, &usValue);
}
else if (wcsncmp(L"mntpt", Name, NameLen) == 0) {
if (usValue.Length > Config->MntPt.MaximumLength)
status = STATUS_NAME_TOO_LONG;
else
RtlCopyUnicodeString(&Config->MntPt, &usValue);
}
else if (wcsncmp(L"sec", Name, NameLen) == 0) {
if (usValue.Length > Config->SecFlavor.MaximumLength)
status = STATUS_NAME_TOO_LONG;
else
RtlCopyUnicodeString(&Config->SecFlavor, &usValue);
}
else {
status = STATUS_INVALID_PARAMETER;
print_error("Unrecognized option '%ls' -> '%wZ'\n",
Name, usValue);
}
if (Option->NextEntryOffset == 0)
break;
Option = (PFILE_FULL_EA_INFORMATION)
((PBYTE)Option + Option->NextEntryOffset);
}
return status;
}
NTSTATUS has_nfs_prefix(
IN PUNICODE_STRING SrvCallName,
IN PUNICODE_STRING NetRootName)
{
NTSTATUS status = STATUS_BAD_NETWORK_NAME;
if (NetRootName->Length == SrvCallName->Length + NfsPrefix.Length) {
const UNICODE_STRING NetRootPrefix = {
NfsPrefix.Length,
NetRootName->MaximumLength - SrvCallName->Length,
&NetRootName->Buffer[SrvCallName->Length/2]
};
if (RtlCompareUnicodeString(&NetRootPrefix, &NfsPrefix, FALSE) == 0)
status = STATUS_SUCCESS;
}
return status;
}
NTSTATUS map_sec_flavor(
IN PUNICODE_STRING sec_flavor_name,
OUT PDWORD sec_flavor)
{
if (RtlCompareUnicodeString(sec_flavor_name, &AUTH_SYS_NAME, FALSE) == 0)
*sec_flavor = RPCSEC_AUTH_SYS;
else if (RtlCompareUnicodeString(sec_flavor_name, &AUTHGSS_KRB5_NAME, FALSE) == 0)
*sec_flavor = RPCSEC_AUTHGSS_KRB5;
else if (RtlCompareUnicodeString(sec_flavor_name, &AUTHGSS_KRB5I_NAME, FALSE) == 0)
*sec_flavor = RPCSEC_AUTHGSS_KRB5I;
else if (RtlCompareUnicodeString(sec_flavor_name, &AUTHGSS_KRB5P_NAME, FALSE) == 0)
*sec_flavor = RPCSEC_AUTHGSS_KRB5P;
else return STATUS_INVALID_PARAMETER;
return STATUS_SUCCESS;
}
NTSTATUS nfs41_GetLUID(
PLUID id)
{
NTSTATUS status = STATUS_SUCCESS;
SECURITY_SUBJECT_CONTEXT sec_ctx;
SECURITY_QUALITY_OF_SERVICE sec_qos;
SECURITY_CLIENT_CONTEXT clnt_sec_ctx;
SeCaptureSubjectContext(&sec_ctx);
sec_qos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
sec_qos.ImpersonationLevel = SecurityIdentification;
sec_qos.Length = sizeof(SECURITY_QUALITY_OF_SERVICE);
sec_qos.EffectiveOnly = 0;
status = SeCreateClientSecurityFromSubjectContext(&sec_ctx, &sec_qos, 1,
&clnt_sec_ctx);
if (status) {
print_error("nfs41_GetLUID: SeCreateClientSecurityFromSubjectContext "
"failed %x\n", status);
goto release_sec_ctx;
}
status = SeQueryAuthenticationIdToken(clnt_sec_ctx.ClientToken, id);
if (status) {
print_error("SeQueryAuthenticationIdToken failed %x\n", status);
goto release_clnt_sec_ctx;
}
release_clnt_sec_ctx:
SeDeleteClientSecurity(&clnt_sec_ctx);
release_sec_ctx:
SeReleaseSubjectContext(&sec_ctx);
return status;
}
NTSTATUS nfs41_get_sec_ctx(
IN enum _SECURITY_IMPERSONATION_LEVEL level,
OUT PSECURITY_CLIENT_CONTEXT out_ctx)
{
NTSTATUS status;
SECURITY_SUBJECT_CONTEXT ctx;
SECURITY_QUALITY_OF_SERVICE sec_qos;
SeCaptureSubjectContext(&ctx);
sec_qos.ContextTrackingMode = SECURITY_STATIC_TRACKING;
sec_qos.ImpersonationLevel = level;
sec_qos.Length = sizeof(SECURITY_QUALITY_OF_SERVICE);
sec_qos.EffectiveOnly = 0;
status = SeCreateClientSecurityFromSubjectContext(&ctx, &sec_qos, 1, out_ctx);
if (status != STATUS_SUCCESS) {
print_error("SeCreateClientSecurityFromSubjectContext "
"failed with %x\n", status);
}
#ifdef DEBUG_MOUNT
DbgP("Created client security token %p\n", out_ctx->ClientToken);
#endif
SeReleaseSubjectContext(&ctx);
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_CreateVNetRoot(
#else
NTSTATUS nfs41_CreateVNetRoot(
#endif
IN OUT PMRX_CREATENETROOT_CONTEXT pCreateNetRootContext)
{
NTSTATUS status = STATUS_SUCCESS;
NFS41_MOUNT_CONFIG *Config;
__notnull PMRX_V_NET_ROOT pVNetRoot = (PMRX_V_NET_ROOT)
pCreateNetRootContext->pVNetRoot;
__notnull PMRX_NET_ROOT pNetRoot = pVNetRoot->pNetRoot;
__notnull PMRX_SRV_CALL pSrvCall = pNetRoot->pSrvCall;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(pNetRoot);
NFS41GetDeviceExtension(pCreateNetRootContext->RxContext,DevExt);
DWORD nfs41d_version = DevExt->nfs41d_version;
nfs41_mount_entry *existing_mount = NULL;
LUID luid;
BOOLEAN found_existing_mount = FALSE, found_matching_flavor = FALSE;
ASSERT((NodeType(pNetRoot) == RDBSS_NTC_NETROOT) &&
(NodeType(pNetRoot->pSrvCall) == RDBSS_NTC_SRVCALL));
#ifdef DEBUG_MOUNT
DbgEn();
print_srv_call(0, pSrvCall);
print_net_root(0, pNetRoot);
print_v_net_root(0, pVNetRoot);
DbgP("pVNetRoot=%p pNetRoot=%p pSrvCall=%p\n", pVNetRoot, pNetRoot, pSrvCall);
DbgP("pNetRoot=%wZ Type=%d pSrvCallName=%wZ VirtualNetRootStatus=0x%x "
"NetRootStatus=0x%x\n", pNetRoot->pNetRootName,
pNetRoot->Type, pSrvCall->pSrvCallName,
pCreateNetRootContext->VirtualNetRootStatus,
pCreateNetRootContext->NetRootStatus);
#endif
if (pNetRoot->Type != NET_ROOT_DISK && pNetRoot->Type != NET_ROOT_WILD) {
print_error("nfs41_CreateVNetRoot: Unsupported NetRoot Type %u\n",
pNetRoot->Type);
status = STATUS_NOT_SUPPORTED;
goto out;
}
pVNetRootContext->session = INVALID_HANDLE_VALUE;
/* In order to cooperate with other network providers, we must
* only claim paths of the form '\\server\nfs4\path' */
status = has_nfs_prefix(pSrvCall->pSrvCallName, pNetRoot->pNetRootName);
if (status) {
print_error("nfs41_CreateVNetRoot: NetRootName %wZ doesn't match "
"'\\nfs4'!\n", pNetRoot->pNetRootName);
goto out;
}
pNetRoot->MRxNetRootState = MRX_NET_ROOT_STATE_GOOD;
pNetRoot->DeviceType = FILE_DEVICE_DISK;
Config = RxAllocatePoolWithTag(NonPagedPool,
sizeof(NFS41_MOUNT_CONFIG), NFS41_MM_POOLTAG);
if (Config == NULL) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
nfs41_MountConfig_InitDefaults(Config);
if (pCreateNetRootContext->RxContext->Create.EaLength) {
/* parse the extended attributes for mount options */
status = nfs41_MountConfig_ParseOptions(
pCreateNetRootContext->RxContext->Create.EaBuffer,
pCreateNetRootContext->RxContext->Create.EaLength,
Config);
if (status != STATUS_SUCCESS)
goto out_free;
pVNetRootContext->read_only = Config->ReadOnly;
pVNetRootContext->write_thru = Config->write_thru;
pVNetRootContext->nocache = Config->nocache;
} else {
/* use the SRV_CALL name (without leading \) as the hostname */
Config->SrvName.Buffer = pSrvCall->pSrvCallName->Buffer + 1;
Config->SrvName.Length =
pSrvCall->pSrvCallName->Length - sizeof(WCHAR);
Config->SrvName.MaximumLength =
pSrvCall->pSrvCallName->MaximumLength - sizeof(WCHAR);
}
pVNetRootContext->MountPathLen = Config->MntPt.Length;
pVNetRootContext->timeout = Config->timeout;
status = map_sec_flavor(&Config->SecFlavor, &pVNetRootContext->sec_flavor);
if (status != STATUS_SUCCESS) {
DbgP("Invalid rpcsec security flavor %wZ\n", &Config->SecFlavor);
goto out_free;
}
status = nfs41_GetLUID(&luid);
if (status)
goto out_free;
if (!pNetRootContext->mounts_init) {
#ifdef DEBUG_MOUNT
DbgP("Initializing mount array\n");
#endif
ExInitializeFastMutex(&pNetRootContext->mountLock);
InitializeListHead(&pNetRootContext->mounts.head);
pNetRootContext->mounts_init = TRUE;
} else {
PLIST_ENTRY pEntry;
ExAcquireFastMutex(&pNetRootContext->mountLock);
pEntry = &pNetRootContext->mounts.head;
pEntry = pEntry->Flink;
while (pEntry != NULL) {
existing_mount = (nfs41_mount_entry *)CONTAINING_RECORD(pEntry,
nfs41_mount_entry, next);
#ifdef DEBUG_MOUNT
DbgP("comparing %x.%x with %x.%x\n", luid.HighPart, luid.LowPart,
existing_mount->login_id.HighPart, existing_mount->login_id.LowPart);
#endif
if (RtlEqualLuid(&luid, &existing_mount->login_id)) {
#ifdef DEBUG_MOUNT
DbgP("Found a matching LUID entry\n");
#endif
found_existing_mount = TRUE;
switch(pVNetRootContext->sec_flavor) {
case RPCSEC_AUTH_SYS:
if (existing_mount->authsys_session != INVALID_HANDLE_VALUE)
pVNetRootContext->session =
existing_mount->authsys_session;
break;
case RPCSEC_AUTHGSS_KRB5:
if (existing_mount->gssi_session != INVALID_HANDLE_VALUE)
pVNetRootContext->session = existing_mount->gss_session;
break;
case RPCSEC_AUTHGSS_KRB5I:
if (existing_mount->gss_session != INVALID_HANDLE_VALUE)
pVNetRootContext->session = existing_mount->gssi_session;
break;
case RPCSEC_AUTHGSS_KRB5P:
if (existing_mount->gssp_session != INVALID_HANDLE_VALUE)
pVNetRootContext->session = existing_mount->gssp_session;
break;
}
if (pVNetRootContext->session &&
pVNetRootContext->session != INVALID_HANDLE_VALUE)
found_matching_flavor = 1;
break;
}
if (pEntry->Flink == &pNetRootContext->mounts.head)
break;
pEntry = pEntry->Flink;
}
ExReleaseFastMutex(&pNetRootContext->mountLock);
#ifdef DEBUG_MOUNT
if (!found_matching_flavor)
DbgP("Didn't find matching security flavor\n");
#endif
}
/* send the mount upcall */
status = nfs41_mount(Config, pVNetRootContext->sec_flavor,
&pVNetRootContext->session, &nfs41d_version,
&pVNetRootContext->FsAttrs);
if (status != STATUS_SUCCESS) {
BOOLEAN MountsEmpty;
nfs41_IsListEmpty(pNetRootContext->mountLock,
pNetRootContext->mounts, MountsEmpty);
if (!found_existing_mount && MountsEmpty)
pNetRootContext->mounts_init = FALSE;
pVNetRootContext->session = INVALID_HANDLE_VALUE;
goto out_free;
}
pVNetRootContext->timeout = Config->timeout;
if (!found_existing_mount) {
/* create a new mount entry and add it to the list */
nfs41_mount_entry *entry;
entry = RxAllocatePoolWithTag(NonPagedPool, sizeof(nfs41_mount_entry),
NFS41_MM_POOLTAG_MOUNT);
if (entry == NULL) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out_free;
}
entry->authsys_session = entry->gss_session =
entry->gssi_session = entry->gssp_session = INVALID_HANDLE_VALUE;
switch (pVNetRootContext->sec_flavor) {
case RPCSEC_AUTH_SYS:
entry->authsys_session = pVNetRootContext->session; break;
case RPCSEC_AUTHGSS_KRB5:
entry->gss_session = pVNetRootContext->session; break;
case RPCSEC_AUTHGSS_KRB5I:
entry->gssi_session = pVNetRootContext->session; break;
case RPCSEC_AUTHGSS_KRB5P:
entry->gssp_session = pVNetRootContext->session; break;
}
RtlCopyLuid(&entry->login_id, &luid);
nfs41_AddEntry(pNetRootContext->mountLock,
pNetRootContext->mounts, entry);
} else if (!found_matching_flavor) {
ASSERT(existing_mount != NULL);
/* modify existing mount entry */
#ifdef DEBUG_MOUNT
DbgP("Using existing %d flavor session 0x%x\n",
pVNetRootContext->sec_flavor);
#endif
switch (pVNetRootContext->sec_flavor) {
case RPCSEC_AUTH_SYS:
existing_mount->authsys_session = pVNetRootContext->session; break;
case RPCSEC_AUTHGSS_KRB5:
existing_mount->gss_session = pVNetRootContext->session; break;
case RPCSEC_AUTHGSS_KRB5I:
existing_mount->gssi_session = pVNetRootContext->session; break;
case RPCSEC_AUTHGSS_KRB5P:
existing_mount->gssp_session = pVNetRootContext->session; break;
}
}
pNetRootContext->nfs41d_version = nfs41d_version;
#ifdef DEBUG_MOUNT
DbgP("Saving new session 0x%x\n", pVNetRootContext->session);
#endif
#ifdef STORE_MOUNT_SEC_CONTEXT
status = nfs41_get_sec_ctx(SecurityImpersonation,
&pVNetRootContext->mount_sec_ctx);
#endif
out_free:
RxFreePool(Config);
out:
pCreateNetRootContext->VirtualNetRootStatus = status;
if (pNetRoot->Context == NULL)
pCreateNetRootContext->NetRootStatus = status;
pCreateNetRootContext->Callback(pCreateNetRootContext);
/* RDBSS expects that MRxCreateVNetRoot returns STATUS_PENDING
* on success or failure */
status = STATUS_PENDING;
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
VOID NTAPI nfs41_ExtractNetRootName(
#else
VOID nfs41_ExtractNetRootName(
#endif
IN PUNICODE_STRING FilePathName,
IN PMRX_SRV_CALL SrvCall,
OUT PUNICODE_STRING NetRootName,
OUT PUNICODE_STRING RestOfName OPTIONAL)
{
ULONG length = FilePathName->Length;
PWCH w = FilePathName->Buffer;
PWCH wlimit = (PWCH)(((PCHAR)w)+length);
PWCH wlow;
w += (SrvCall->pSrvCallName->Length/sizeof(WCHAR));
NetRootName->Buffer = wlow = w;
/* parse the entire path into NetRootName */
#if USE_ENTIRE_PATH
w = wlimit;
#else
for (;;) {
if (w >= wlimit)
break;
if ((*w == OBJ_NAME_PATH_SEPARATOR) && (w != wlow))
break;
w++;
}
#endif
NetRootName->Length = NetRootName->MaximumLength
= (USHORT)((PCHAR)w - (PCHAR)wlow);
#ifdef DEBUG_MOUNT
DbgP("In: pSrvCall %p PathName=%wZ SrvCallName=%wZ Out: NetRootName=%wZ\n",
SrvCall, FilePathName, SrvCall->pSrvCallName, NetRootName);
#endif
return;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_FinalizeSrvCall(
#else
NTSTATUS nfs41_FinalizeSrvCall(
#endif
PMRX_SRV_CALL pSrvCall,
BOOLEAN Force)
{
NTSTATUS status = STATUS_SUCCESS;
PNFS41_SERVER_ENTRY pServerEntry = (PNFS41_SERVER_ENTRY)(pSrvCall->Context);
#ifdef DEBUG_MOUNT
DbgEn();
#endif
print_srv_call(0, pSrvCall);
if (pSrvCall->Context == NULL)
goto out;
#ifndef __REACTOS__
InterlockedCompareExchangePointer(&pServerEntry->pRdbssSrvCall,
NULL, pSrvCall);
#else
InterlockedCompareExchangePointer((void * volatile *)&pServerEntry->pRdbssSrvCall,
NULL, pSrvCall);
#endif
RxFreePool(pServerEntry);
pSrvCall->Context = NULL;
out:
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_FinalizeNetRoot(
#else
NTSTATUS nfs41_FinalizeNetRoot(
#endif
IN OUT PMRX_NET_ROOT pNetRoot,
IN PBOOLEAN ForceDisconnect)
{
NTSTATUS status = STATUS_SUCCESS;
PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension((PMRX_NET_ROOT)pNetRoot);
nfs41_updowncall_entry *tmp;
nfs41_mount_entry *mount_tmp;
#ifdef DEBUG_MOUNT
DbgEn();
print_net_root(1, pNetRoot);
#endif
if (pNetRoot->Type != NET_ROOT_DISK && pNetRoot->Type != NET_ROOT_WILD) {
status = STATUS_NOT_SUPPORTED;
goto out;
}
if (pNetRootContext == NULL || !pNetRootContext->mounts_init) {
print_error("nfs41_FinalizeNetRoot: No valid session established\n");
goto out;
}
if (pNetRoot->NumberOfFcbs > 0 || pNetRoot->NumberOfSrvOpens > 0) {
print_error("%d open Fcbs %d open SrvOpens\n", pNetRoot->NumberOfFcbs,
pNetRoot->NumberOfSrvOpens);
goto out;
}
do {
nfs41_GetFirstMountEntry(pNetRootContext->mountLock,
pNetRootContext->mounts, mount_tmp);
if (mount_tmp == NULL)
break;
#ifdef DEBUG_MOUNT
DbgP("Removing entry luid %x.%x from mount list\n",
mount_tmp->login_id.HighPart, mount_tmp->login_id.LowPart);
#endif
if (mount_tmp->authsys_session != INVALID_HANDLE_VALUE) {
status = nfs41_unmount(mount_tmp->authsys_session,
pNetRootContext->nfs41d_version, UPCALL_TIMEOUT_DEFAULT);
if (status)
print_error("nfs41_unmount AUTH_SYS failed with %d\n", status);
}
if (mount_tmp->gss_session != INVALID_HANDLE_VALUE) {
status = nfs41_unmount(mount_tmp->gss_session,
pNetRootContext->nfs41d_version, UPCALL_TIMEOUT_DEFAULT);
if (status)
print_error("nfs41_unmount RPCSEC_GSS_KRB5 failed with %d\n",
status);
}
if (mount_tmp->gssi_session != INVALID_HANDLE_VALUE) {
status = nfs41_unmount(mount_tmp->gssi_session,
pNetRootContext->nfs41d_version, UPCALL_TIMEOUT_DEFAULT);
if (status)
print_error("nfs41_unmount RPCSEC_GSS_KRB5I failed with %d\n",
status);
}
if (mount_tmp->gssp_session != INVALID_HANDLE_VALUE) {
status = nfs41_unmount(mount_tmp->gssp_session,
pNetRootContext->nfs41d_version, UPCALL_TIMEOUT_DEFAULT);
if (status)
print_error("nfs41_unmount RPCSEC_GSS_KRB5P failed with %d\n",
status);
}
nfs41_RemoveEntry(pNetRootContext->mountLock, mount_tmp);
RxFreePool(mount_tmp);
} while (1);
/* ignore any errors from unmount */
status = STATUS_SUCCESS;
// check if there is anything waiting in the upcall or downcall queue
do {
nfs41_GetFirstEntry(upcallLock, upcall, tmp);
if (tmp != NULL) {
DbgP("Removing entry from upcall list\n");
nfs41_RemoveEntry(upcallLock, tmp);
tmp->status = STATUS_INSUFFICIENT_RESOURCES;
KeSetEvent(&tmp->cond, 0, FALSE);
} else
break;
} while (1);
do {
nfs41_GetFirstEntry(downcallLock, downcall, tmp);
if (tmp != NULL) {
DbgP("Removing entry from downcall list\n");
nfs41_RemoveEntry(downcallLock, tmp);
tmp->status = STATUS_INSUFFICIENT_RESOURCES;
KeSetEvent(&tmp->cond, 0, FALSE);
} else
break;
} while (1);
out:
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_FinalizeVNetRoot(
#else
NTSTATUS nfs41_FinalizeVNetRoot(
#endif
IN OUT PMRX_V_NET_ROOT pVNetRoot,
IN PBOOLEAN ForceDisconnect)
{
NTSTATUS status = STATUS_SUCCESS;
PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(pVNetRoot);
#ifdef DEBUG_MOUNT
DbgEn();
print_v_net_root(1, pVNetRoot);
#endif
if (pVNetRoot->pNetRoot->Type != NET_ROOT_DISK &&
pVNetRoot->pNetRoot->Type != NET_ROOT_WILD)
status = STATUS_NOT_SUPPORTED;
#ifdef STORE_MOUNT_SEC_CONTEXT
else if (pVNetRootContext->session != INVALID_HANDLE_VALUE) {
#ifdef DEBUG_MOUNT
DbgP("nfs41_FinalizeVNetRoot: deleting security context: %p\n",
pVNetRootContext->mount_sec_ctx.ClientToken);
#endif
SeDeleteClientSecurity(&pVNetRootContext->mount_sec_ctx);
}
#endif
#ifdef DEBUG_MOUNT
DbgEx();
#endif
return status;
}
BOOLEAN isDataAccess(
ACCESS_MASK mask)
{
if (mask & (FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA))
return TRUE;
return FALSE;
}
BOOLEAN isOpen2Create(
ULONG disposition)
{
if (disposition == FILE_CREATE || disposition == FILE_OPEN_IF ||
disposition == FILE_OVERWRITE_IF || disposition == FILE_SUPERSEDE)
return TRUE;
return FALSE;
}
BOOLEAN isFilenameTooLong(
PUNICODE_STRING name,
PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext)
{
PFILE_FS_ATTRIBUTE_INFORMATION attrs = &pVNetRootContext->FsAttrs;
LONG len = attrs->MaximumComponentNameLength, count = 1, i;
PWCH p = name->Buffer;
for (i = 0; i < name->Length / 2; i++) {
if (p[0] == L'\\') count = 1;
else {
if (p[0] == L'\0') return FALSE;
if (count > len) return TRUE;
count++;
}
p++;
}
return FALSE;
}
BOOLEAN isStream(
PUNICODE_STRING name)
{
LONG i;
PWCH p = name->Buffer;
for (i = 0; i < name->Length / 2; i++) {
if (p[0] == L':') return TRUE;
else if (p[0] == L'\0') return FALSE;
p++;
}
return FALSE;
}
BOOLEAN areOpenParamsValid(NT_CREATE_PARAMETERS *params)
{
/* from ms-fsa page 52 */
if ((params->CreateOptions & FILE_DELETE_ON_CLOSE) &&
!(params->DesiredAccess & DELETE))
return FALSE;
if ((params->CreateOptions & FILE_DIRECTORY_FILE) &&
(params->Disposition == FILE_SUPERSEDE ||
params->Disposition == FILE_OVERWRITE ||
params->Disposition == FILE_OVERWRITE_IF))
return FALSE;
if ((params->CreateOptions & FILE_NO_INTERMEDIATE_BUFFERING) &&
(params->DesiredAccess & FILE_APPEND_DATA) &&
!(params->DesiredAccess & FILE_WRITE_DATA))
return FALSE;
/* from ms-fsa 3.1.5.1.1 page 56 */
if ((params->CreateOptions & FILE_DIRECTORY_FILE) &&
(params->FileAttributes & FILE_ATTRIBUTE_TEMPORARY))
return FALSE;
return TRUE;
}
NTSTATUS map_open_errors(
DWORD status,
USHORT len)
{
switch (status) {
case NO_ERROR: return STATUS_SUCCESS;
case ERROR_ACCESS_DENIED:
if (len > 0) return STATUS_ACCESS_DENIED;
else return STATUS_SUCCESS;
case ERROR_INVALID_REPARSE_DATA:
case ERROR_INVALID_NAME: return STATUS_OBJECT_NAME_INVALID;
case ERROR_FILE_EXISTS: return STATUS_OBJECT_NAME_COLLISION;
case ERROR_FILE_INVALID: return STATUS_FILE_INVALID;
case ERROR_FILE_NOT_FOUND: return STATUS_OBJECT_NAME_NOT_FOUND;
case ERROR_FILENAME_EXCED_RANGE: return STATUS_NAME_TOO_LONG;
case ERROR_NETWORK_ACCESS_DENIED: return STATUS_NETWORK_ACCESS_DENIED;
case ERROR_PATH_NOT_FOUND: return STATUS_OBJECT_PATH_NOT_FOUND;
case ERROR_BAD_NETPATH: return STATUS_BAD_NETWORK_PATH;
case ERROR_SHARING_VIOLATION: return STATUS_SHARING_VIOLATION;
case ERROR_REPARSE: return STATUS_REPARSE;
case ERROR_TOO_MANY_LINKS: return STATUS_TOO_MANY_LINKS;
case ERROR_DIRECTORY: return STATUS_FILE_IS_A_DIRECTORY;
case ERROR_BAD_FILE_TYPE: return STATUS_NOT_A_DIRECTORY;
default:
print_error("[ERROR] nfs41_Create: upcall returned %d returning "
"STATUS_INSUFFICIENT_RESOURCES\n", status);
case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES;
}
}
DWORD map_disposition_to_create_retval(
DWORD disposition,
DWORD errno)
{
switch(disposition) {
case FILE_SUPERSEDE:
if (errno == ERROR_FILE_NOT_FOUND) return FILE_CREATED;
else return FILE_SUPERSEDED;
case FILE_CREATE: return FILE_CREATED;
case FILE_OPEN: return FILE_OPENED;
case FILE_OPEN_IF:
if (errno == ERROR_FILE_NOT_FOUND) return FILE_CREATED;
else return FILE_OPENED;
case FILE_OVERWRITE: return FILE_OVERWRITTEN;
case FILE_OVERWRITE_IF:
if (errno == ERROR_FILE_NOT_FOUND) return FILE_CREATED;
else return FILE_OVERWRITTEN;
default:
print_error("unknown disposition %d\n", disposition);
return FILE_OPENED;
}
}
static BOOLEAN create_should_pass_ea(
IN PFILE_FULL_EA_INFORMATION ea,
IN ULONG disposition)
{
/* don't pass cygwin EAs */
if (AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength)
|| AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength)
|| AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength))
return FALSE;
/* only set EAs on file creation */
return disposition == FILE_SUPERSEDE || disposition == FILE_CREATE
|| disposition == FILE_OPEN_IF || disposition == FILE_OVERWRITE
|| disposition == FILE_OVERWRITE_IF;
}
NTSTATUS check_nfs41_create_args(
IN PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
PNT_CREATE_PARAMETERS params = &RxContext->Create.NtCreateParameters;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs =
&pVNetRootContext->FsAttrs;
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PMRX_FCB Fcb = RxContext->pFcb;
__notnull PNFS41_FCB nfs41_fcb = (PNFS41_FCB)Fcb->Context;
PFILE_FULL_EA_INFORMATION ea = (PFILE_FULL_EA_INFORMATION)
RxContext->CurrentIrp->AssociatedIrp.SystemBuffer;
if (Fcb->pNetRoot->Type != NET_ROOT_DISK &&
Fcb->pNetRoot->Type != NET_ROOT_WILD) {
print_error("nfs41_Create: Unsupported NetRoot Type %u\n",
Fcb->pNetRoot->Type);
status = STATUS_NOT_SUPPORTED;
goto out;
}
if (FlagOn(Fcb->FcbState, FCB_STATE_PAGING_FILE )) {
print_error("FCB_STATE_PAGING_FILE not implemented\n");
status = STATUS_NOT_IMPLEMENTED;
goto out;
}
if (!pNetRootContext->mounts_init) {
print_error("nfs41_Create: No valid session established\n");
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
}
if (isStream(SrvOpen->pAlreadyPrefixedName)) {
status = STATUS_NOT_SUPPORTED;
goto out;
}
if (pVNetRootContext->read_only &&
(params->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA))) {
status = STATUS_NETWORK_ACCESS_DENIED;
goto out;
}
/* if FCB was marked for deletion and opened multiple times, as soon
* as first close happen, FCB transitions into delete_pending state
* no more opens allowed
*/
if (Fcb->OpenCount && nfs41_fcb->DeletePending) {
status = STATUS_DELETE_PENDING;
goto out;
}
/* ms-fsa: 3.1.5.1.2.1 page 68 */
if (Fcb->OpenCount && nfs41_fcb->StandardInfo.DeletePending &&
!(params->ShareAccess & FILE_SHARE_DELETE) &&
(params->DesiredAccess & (FILE_EXECUTE | FILE_READ_DATA |
FILE_WRITE_DATA | FILE_APPEND_DATA))) {
status = STATUS_SHARING_VIOLATION;
goto out;
}
/* rdbss seems miss this sharing_violation check */
if (Fcb->OpenCount && params->Disposition == FILE_SUPERSEDE) {
#ifdef __REACTOS__
if ((!RxContext->CurrentIrpSp->FileObject->SharedRead &&
(params->DesiredAccess & FILE_READ_DATA)) ||
((!RxContext->CurrentIrpSp->FileObject->SharedWrite &&
(params->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA |
FILE_WRITE_ATTRIBUTES))) ||
(!RxContext->CurrentIrpSp->FileObject->SharedDelete &&
(params->DesiredAccess & DELETE)))) {
#else
if ((!RxContext->CurrentIrpSp->FileObject->SharedRead &&
(params->DesiredAccess & FILE_READ_DATA)) ||
(!RxContext->CurrentIrpSp->FileObject->SharedWrite &&
(params->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA |
FILE_WRITE_ATTRIBUTES)) ||
(!RxContext->CurrentIrpSp->FileObject->SharedDelete &&
(params->DesiredAccess & DELETE)))) {
#endif
status = STATUS_SHARING_VIOLATION;
goto out;
}
}
if (isFilenameTooLong(SrvOpen->pAlreadyPrefixedName, pVNetRootContext)) {
status = STATUS_OBJECT_NAME_INVALID;
goto out;
}
if (!areOpenParamsValid(params)) {
status = STATUS_INVALID_PARAMETER;
goto out;
}
/* from ms-fsa 3.1.5.1.1 page 56 */
if ((params->CreateOptions & FILE_DELETE_ON_CLOSE) &&
(params->FileAttributes & FILE_ATTRIBUTE_READONLY)) {
status = STATUS_CANNOT_DELETE;
goto out;
}
if (ea) {
/* ignore cygwin EAs when checking support and access */
if (!AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength) &&
!AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength) &&
!AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength)) {
if (!(FsAttrs->FileSystemAttributes & FILE_SUPPORTS_EXTENDED_ATTRIBUTES)) {
status = STATUS_EAS_NOT_SUPPORTED;
goto out;
}
}
} else if (RxContext->CurrentIrpSp->Parameters.Create.EaLength) {
status = STATUS_INVALID_PARAMETER;
goto out;
}
out:
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_Create(
#else
NTSTATUS nfs41_Create(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES;
nfs41_updowncall_entry *entry = NULL;
PNT_CREATE_PARAMETERS params = &RxContext->Create.NtCreateParameters;
PFILE_FULL_EA_INFORMATION ea = (PFILE_FULL_EA_INFORMATION)
RxContext->CurrentIrp->AssociatedIrp.SystemBuffer;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PMRX_FCB Fcb = RxContext->pFcb;
__notnull PNFS41_FCB nfs41_fcb = (PNFS41_FCB)Fcb->Context;
PNFS41_FOBX nfs41_fobx = NULL;
BOOLEAN oldDeletePending = nfs41_fcb->StandardInfo.DeletePending;
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
ASSERT( NodeType(SrvOpen) == RDBSS_NTC_SRVOPEN );
#ifdef DEBUG_OPEN
DbgEn();
print_debug_header(RxContext);
print_nt_create_params(1, RxContext->Create.NtCreateParameters);
if (ea) print_ea_info(0, ea);
#endif
status = check_nfs41_create_args(RxContext);
if (status) goto out;
#if defined(STORE_MOUNT_SEC_CONTEXT) && defined (USE_MOUNT_SEC_CONTEXT)
status = nfs41_UpcallCreate(NFS41_OPEN, &pVNetRootContext->mount_sec_ctx,
#else
status = nfs41_UpcallCreate(NFS41_OPEN, NULL,
#endif
pVNetRootContext->session, INVALID_HANDLE_VALUE,
pNetRootContext->nfs41d_version,
SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.Open.access_mask = params->DesiredAccess;
entry->u.Open.access_mode = params->ShareAccess;
entry->u.Open.attrs = params->FileAttributes;
if (!(params->CreateOptions & FILE_DIRECTORY_FILE))
entry->u.Open.attrs |= FILE_ATTRIBUTE_ARCHIVE;
entry->u.Open.disp = params->Disposition;
entry->u.Open.copts = params->CreateOptions;
entry->u.Open.srv_open = SrvOpen;
/* treat the NfsActOnLink ea as FILE_OPEN_REPARSE_POINT */
if ((ea && AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength)) ||
(entry->u.Open.access_mask & DELETE))
entry->u.Open.copts |= FILE_OPEN_REPARSE_POINT;
if (isDataAccess(params->DesiredAccess) || isOpen2Create(params->Disposition))
entry->u.Open.open_owner_id = InterlockedIncrement(&open_owner_id);
// if we are creating a file check if nfsv3attributes were passed in
if (params->Disposition != FILE_OPEN && params->Disposition != FILE_OVERWRITE) {
entry->u.Open.mode = 0777;
if (ea && AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength)) {
nfs3_attrs *attrs = (nfs3_attrs *)(ea->EaName + ea->EaNameLength + 1);
#ifdef DEBUG_OPEN
DbgP("creating file with mode %o\n", attrs->mode);
#endif
entry->u.Open.mode = attrs->mode;
}
if (params->FileAttributes & FILE_ATTRIBUTE_READONLY)
entry->u.Open.mode = 0444;
}
if (entry->u.Open.disp == FILE_CREATE && ea &&
AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength)) {
/* for a cygwin symlink, given as a unicode string */
entry->u.Open.symlink.Buffer = (PWCH)(ea->EaName + ea->EaNameLength + 1);
entry->u.Open.symlink.MaximumLength = entry->u.Open.symlink.Length = ea->EaValueLength;
}
retry_on_link:
if (ea && create_should_pass_ea(ea, params->Disposition)) {
/* lock the extended attribute buffer for read access in user space */
entry->u.Open.EaMdl = IoAllocateMdl(ea,
RxContext->CurrentIrpSp->Parameters.Create.EaLength,
FALSE, FALSE, NULL);
if (entry->u.Open.EaMdl == NULL) {
status = STATUS_INTERNAL_ERROR;
RxFreePool(entry);
goto out;
}
entry->u.Open.EaMdl->MdlFlags |= MDL_MAPPING_CAN_FAIL;
MmProbeAndLockPages(entry->u.Open.EaMdl, KernelMode, IoModifyAccess);
}
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
#ifndef USE_MOUNT_SEC_CONTEXT
SeDeleteClientSecurity(&entry->sec_ctx);
#endif
if (status) goto out;
if (entry->u.Open.EaMdl) {
MmUnlockPages(entry->u.Open.EaMdl);
IoFreeMdl(entry->u.Open.EaMdl);
}
if (entry->status == NO_ERROR && entry->errno == ERROR_REPARSE) {
/* symbolic link handling. when attempting to open a symlink when the
* FILE_OPEN_REPARSE_POINT flag is not set, replace the filename with
* the symlink target's by calling RxPrepareToReparseSymbolicLink()
* and returning STATUS_REPARSE. the object manager will attempt to
* open the new path, and return its handle for the original open */
PRDBSS_DEVICE_OBJECT DeviceObject = RxContext->RxDeviceObject;
PV_NET_ROOT VNetRoot = (PV_NET_ROOT)
RxContext->pRelevantSrvOpen->pVNetRoot;
PUNICODE_STRING VNetRootPrefix = &VNetRoot->PrefixEntry.Prefix;
UNICODE_STRING AbsPath;
PCHAR buf;
BOOLEAN ReparseRequired;
/* allocate the string for RxPrepareToReparseSymbolicLink(), and
* format an absolute path "DeviceName+VNetRootName+symlink" */
AbsPath.Length = DeviceObject->DeviceName.Length +
VNetRootPrefix->Length + entry->u.Open.symlink.Length;
AbsPath.MaximumLength = AbsPath.Length + sizeof(UNICODE_NULL);
AbsPath.Buffer = RxAllocatePoolWithTag(NonPagedPool,
AbsPath.MaximumLength, NFS41_MM_POOLTAG);
if (AbsPath.Buffer == NULL) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out_free;
}
buf = (PCHAR)AbsPath.Buffer;
RtlCopyMemory(buf, DeviceObject->DeviceName.Buffer,
DeviceObject->DeviceName.Length);
buf += DeviceObject->DeviceName.Length;
RtlCopyMemory(buf, VNetRootPrefix->Buffer, VNetRootPrefix->Length);
buf += VNetRootPrefix->Length;
RtlCopyMemory(buf, entry->u.Open.symlink.Buffer,
entry->u.Open.symlink.Length);
RxFreePool(entry->u.Open.symlink.Buffer);
buf += entry->u.Open.symlink.Length;
*(PWCHAR)buf = UNICODE_NULL;
status = RxPrepareToReparseSymbolicLink(RxContext,
entry->u.Open.symlink_embedded, &AbsPath, TRUE, &ReparseRequired);
#ifdef DEBUG_OPEN
DbgP("RxPrepareToReparseSymbolicLink(%u, '%wZ') returned %08lX, "
"FileName is '%wZ'\n", entry->u.Open.symlink_embedded,
&AbsPath, status, &RxContext->CurrentIrpSp->FileObject->FileName);
#endif
if (status == STATUS_SUCCESS) {
/* if a reparse is not required, reopen the link itself. this
* happens with operations on cygwin symlinks, where the reparse
* flag is not set */
if (!ReparseRequired) {
entry->u.Open.symlink.Length = 0;
entry->u.Open.copts |= FILE_OPEN_REPARSE_POINT;
goto retry_on_link;
}
status = STATUS_REPARSE;
}
goto out_free;
}
status = map_open_errors(entry->status,
SrvOpen->pAlreadyPrefixedName->Length);
if (status) {
#ifdef DEBUG_OPEN
print_open_error(1, status);
#endif
goto out_free;
}
if (!RxIsFcbAcquiredExclusive(Fcb)) {
ASSERT(!RxIsFcbAcquiredShared(Fcb));
RxAcquireExclusiveFcbResourceInMRx(Fcb);
}
RxContext->pFobx = RxCreateNetFobx(RxContext, SrvOpen);
if (RxContext->pFobx == NULL) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out_free;
}
#ifdef DEBUG_OPEN
DbgP("nfs41_Create: created FOBX %p\n", RxContext->pFobx);
#endif
nfs41_fobx = (PNFS41_FOBX)(RxContext->pFobx)->Context;
nfs41_fobx->nfs41_open_state = entry->open_state;
#ifndef USE_MOUNT_SEC_CONTEXT
status = nfs41_get_sec_ctx(SecurityImpersonation, &nfs41_fobx->sec_ctx);
if (status)
goto out_free;
#else
RtlCopyMemory(&nfs41_fobx->sec_ctx, &pVNetRootContext->mount_sec_ctx,
sizeof(nfs41_fobx->sec_ctx));
#endif
// we get attributes only for data access and file (not directories)
if (Fcb->OpenCount == 0 ||
(Fcb->OpenCount > 0 &&
nfs41_fcb->changeattr != entry->ChangeTime)) {
FCB_INIT_PACKET InitPacket;
RX_FILE_TYPE StorageType = FileTypeNotYetKnown;
RtlCopyMemory(&nfs41_fcb->BasicInfo, &entry->u.Open.binfo,
sizeof(entry->u.Open.binfo));
RtlCopyMemory(&nfs41_fcb->StandardInfo, &entry->u.Open.sinfo,
sizeof(entry->u.Open.sinfo));
nfs41_fcb->mode = entry->u.Open.mode;
nfs41_fcb->changeattr = entry->ChangeTime;
if (((params->CreateOptions & FILE_DELETE_ON_CLOSE) &&
!pVNetRootContext->read_only) || oldDeletePending)
nfs41_fcb->StandardInfo.DeletePending = TRUE;
RxFormInitPacket(InitPacket,
&entry->u.Open.binfo.FileAttributes,
&entry->u.Open.sinfo.NumberOfLinks,
&entry->u.Open.binfo.CreationTime,
&entry->u.Open.binfo.LastAccessTime,
&entry->u.Open.binfo.LastWriteTime,
&entry->u.Open.binfo.ChangeTime,
&entry->u.Open.sinfo.AllocationSize,
&entry->u.Open.sinfo.EndOfFile,
&entry->u.Open.sinfo.EndOfFile);
if (entry->u.Open.sinfo.Directory)
StorageType = FileTypeDirectory;
else
StorageType = FileTypeFile;
RxFinishFcbInitialization(Fcb, RDBSS_STORAGE_NTC(StorageType),
&InitPacket);
}
#ifdef DEBUG_OPEN
else
DbgP("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n");
print_basic_info(1, &nfs41_fcb->BasicInfo);
print_std_info(1, &nfs41_fcb->StandardInfo);
#endif
/* aglo: 05/10/2012. it seems like always have to invalid the cache if the
* file has been opened before and being opened again for data access.
* If the file was opened before, RDBSS might have cached (unflushed) data
* and by opening it again, we will not have the correct representation of
* the file size and data content. fileio tests 208, 219, 221.
*/
if (Fcb->OpenCount > 0 && (isDataAccess(params->DesiredAccess) ||
nfs41_fcb->changeattr != entry->ChangeTime) &&
!nfs41_fcb->StandardInfo.Directory) {
ULONG flag = DISABLE_CACHING;
#ifdef DEBUG_OPEN
DbgP("nfs41_Create: reopening (changed) file %wZ\n",
SrvOpen->pAlreadyPrefixedName);
#endif
RxChangeBufferingState((PSRV_OPEN)SrvOpen, ULongToPtr(flag), 1);
}
if (!nfs41_fcb->StandardInfo.Directory &&
isDataAccess(params->DesiredAccess)) {
nfs41_fobx->deleg_type = entry->u.Open.deleg_type;
#ifdef DEBUG_OPEN
DbgP("nfs41_Create: received delegation %d\n", entry->u.Open.deleg_type);
#endif
if (!(params->CreateOptions & FILE_WRITE_THROUGH) &&
!pVNetRootContext->write_thru &&
(entry->u.Open.deleg_type == 2 ||
(params->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA)))) {
#ifdef DEBUG_OPEN
DbgP("nfs41_Create: enabling write buffering\n");
#endif
SrvOpen->BufferingFlags |=
(FCB_STATE_WRITECACHING_ENABLED |
FCB_STATE_WRITEBUFFERING_ENABLED);
} else if (params->CreateOptions & FILE_WRITE_THROUGH ||
pVNetRootContext->write_thru)
nfs41_fobx->write_thru = TRUE;
if (entry->u.Open.deleg_type >= 1 ||
params->DesiredAccess & FILE_READ_DATA) {
#ifdef DEBUG_OPEN
DbgP("nfs41_Create: enabling read buffering\n");
#endif
SrvOpen->BufferingFlags |=
(FCB_STATE_READBUFFERING_ENABLED |
FCB_STATE_READCACHING_ENABLED);
}
if (pVNetRootContext->nocache ||
(params->CreateOptions & FILE_NO_INTERMEDIATE_BUFFERING)) {
#ifdef DEBUG_OPEN
DbgP("nfs41_Create: disabling buffering\n");
#endif
SrvOpen->BufferingFlags = FCB_STATE_DISABLE_LOCAL_BUFFERING;
nfs41_fobx->nocache = TRUE;
} else if (!entry->u.Open.deleg_type && !Fcb->OpenCount) {
nfs41_fcb_list_entry *oentry;
#ifdef DEBUG_OPEN
DbgP("nfs41_Create: received no delegations: srv_open=%p "
"ctime=%llu\n", SrvOpen, entry->ChangeTime);
#endif
oentry = RxAllocatePoolWithTag(NonPagedPool,
sizeof(nfs41_fcb_list_entry), NFS41_MM_POOLTAG_OPEN);
if (oentry == NULL) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out_free;
}
oentry->fcb = RxContext->pFcb;
oentry->nfs41_fobx = nfs41_fobx;
oentry->session = pVNetRootContext->session;
oentry->ChangeTime = entry->ChangeTime;
oentry->skip = FALSE;
nfs41_AddEntry(fcblistLock, openlist, oentry);
}
}
if ((params->CreateOptions & FILE_DELETE_ON_CLOSE) &&
!pVNetRootContext->read_only)
nfs41_fcb->StandardInfo.DeletePending = TRUE;
RxContext->Create.ReturnedCreateInformation =
map_disposition_to_create_retval(params->Disposition, entry->errno);
RxContext->pFobx->OffsetOfNextEaToReturn = 1;
#ifndef __REACTOS__
RxContext->CurrentIrp->IoStatus.Information =
RxContext->Create.ReturnedCreateInformation;
#endif
status = RxContext->CurrentIrp->IoStatus.Status = STATUS_SUCCESS;
out_free:
if (entry)
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
if ((params->DesiredAccess & FILE_READ_DATA) ||
(params->DesiredAccess & FILE_WRITE_DATA) ||
(params->DesiredAccess & FILE_APPEND_DATA) ||
(params->DesiredAccess & FILE_EXECUTE)) {
InterlockedIncrement(&open.tops);
InterlockedAdd64(&open.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_Create open delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, open.tops, open.ticks);
#endif
} else {
InterlockedIncrement(&lookup.tops);
InterlockedAdd64(&lookup.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_Create lookup delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, lookup.tops, lookup.ticks);
#endif
}
#endif
#ifdef DEBUG_OPEN
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_CollapseOpen(
#else
NTSTATUS nfs41_CollapseOpen(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_MORE_PROCESSING_REQUIRED;
DbgEn();
DbgEx();
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_ShouldTryToCollapseThisOpen(
#else
NTSTATUS nfs41_ShouldTryToCollapseThisOpen(
#endif
IN OUT PRX_CONTEXT RxContext)
{
if (RxContext->pRelevantSrvOpen == NULL)
return STATUS_SUCCESS;
else return STATUS_MORE_PROCESSING_REQUIRED;
}
#ifdef __REACTOS__
ULONG NTAPI nfs41_ExtendForCache(
#else
ULONG nfs41_ExtendForCache(
#endif
IN OUT PRX_CONTEXT RxContext,
IN PLARGE_INTEGER pNewFileSize,
OUT PLARGE_INTEGER pNewAllocationSize)
{
NTSTATUS status = STATUS_SUCCESS;
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
#ifdef DEBUG_CACHE
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
DbgEn();
print_debug_header(RxContext);
DbgP("input: byte count 0x%x filesize 0x%x alloc size 0x%x\n",
LowIoContext->ParamsFor.ReadWrite.ByteCount, *pNewFileSize,
*pNewAllocationSize);
#endif
pNewAllocationSize->QuadPart = pNewFileSize->QuadPart + 8192;
nfs41_fcb->StandardInfo.AllocationSize.QuadPart =
pNewAllocationSize->QuadPart;
nfs41_fcb->StandardInfo.EndOfFile.QuadPart = pNewFileSize->QuadPart;
#ifdef DEBUG_CACHE
DbgP("new filesize 0x%x new allocation size 0x%x\n", *pNewFileSize,
*pNewAllocationSize);
#endif
#ifdef DEBUG_CACHE
DbgEx();
#endif
return status;
}
VOID nfs41_remove_fcb_entry(
PMRX_FCB fcb)
{
PLIST_ENTRY pEntry;
nfs41_fcb_list_entry *cur;
ExAcquireFastMutex(&fcblistLock);
pEntry = openlist.head.Flink;
while (!IsListEmpty(&openlist.head)) {
cur = (nfs41_fcb_list_entry *)CONTAINING_RECORD(pEntry,
nfs41_fcb_list_entry, next);
if (cur->fcb == fcb) {
#ifdef DEBUG_CLOSE
DbgP("nfs41_remove_srvopen_entry: Found match for fcb=%p\n", fcb);
#endif
RemoveEntryList(pEntry);
RxFreePool(cur);
break;
}
if (pEntry->Flink == &openlist.head) {
#ifdef DEBUG_CLOSE
DbgP("nfs41_remove_srvopen_entry: reached EOL looking for fcb "
"%p\n", fcb);
#endif
break;
}
pEntry = pEntry->Flink;
}
ExReleaseFastMutex(&fcblistLock);
}
NTSTATUS map_close_errors(
DWORD status)
{
switch (status) {
case NO_ERROR: return STATUS_SUCCESS;
case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED;
case ERROR_NOT_EMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
case ERROR_FILE_INVALID: return STATUS_FILE_INVALID;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INTERNAL_ERROR\n", status);
case ERROR_INTERNAL_ERROR: return STATUS_INTERNAL_ERROR;
}
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_CloseSrvOpen(
#else
NTSTATUS nfs41_CloseSrvOpen(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES;
nfs41_updowncall_entry *entry;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_CLOSE
DbgEn();
print_debug_header(RxContext);
#endif
if (!nfs41_fobx->deleg_type && !nfs41_fcb->StandardInfo.Directory &&
!RxContext->pFcb->OpenCount) {
nfs41_remove_fcb_entry(RxContext->pFcb);
}
status = nfs41_UpcallCreate(NFS41_CLOSE, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.Close.srv_open = SrvOpen;
if (nfs41_fcb->StandardInfo.DeletePending)
nfs41_fcb->DeletePending = TRUE;
if (!RxContext->pFcb->OpenCount ||
(nfs41_fcb->StandardInfo.DeletePending &&
nfs41_fcb->StandardInfo.Directory))
entry->u.Close.remove = nfs41_fcb->StandardInfo.DeletePending;
if (!RxContext->pFcb->OpenCount)
entry->u.Close.renamed = nfs41_fcb->Renamed;
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
#ifndef USE_MOUNT_SEC_CONTEXT
SeDeleteClientSecurity(&nfs41_fobx->sec_ctx);
#endif
if (status) goto out;
/* map windows ERRORs to NTSTATUS */
status = map_close_errors(entry->status);
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&close.tops);
InterlockedAdd64(&close.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_CloseSrvOpen delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, close.tops, close.ticks);
#endif
#endif
#ifdef DEBUG_CLOSE
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_Flush(
#else
NTSTATUS nfs41_Flush(
#endif
IN OUT PRX_CONTEXT RxContext)
{
return STATUS_SUCCESS;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_DeallocateForFcb(
#else
NTSTATUS nfs41_DeallocateForFcb(
#endif
IN OUT PMRX_FCB pFcb)
{
return STATUS_SUCCESS;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_DeallocateForFobx(
#else
NTSTATUS nfs41_DeallocateForFobx(
#endif
IN OUT PMRX_FOBX pFobx)
{
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(pFobx);
if (nfs41_fobx->acl)
RxFreePool(nfs41_fobx->acl);
return STATUS_SUCCESS;
}
void print_debug_filedirquery_header(
PRX_CONTEXT RxContext)
{
print_debug_header(RxContext);
DbgP("FileName='%wZ', InfoClass = %s\n",
GET_ALREADY_PREFIXED_NAME_FROM_CONTEXT(RxContext),
print_file_information_class(RxContext->Info.FileInformationClass));
}
void print_querydir_args(
PRX_CONTEXT RxContext)
{
print_debug_filedirquery_header(RxContext);
DbgP("Filter='%wZ', Index=%d, Restart/Single/Specified/Init=%d/%d/%d/%d\n",
&RxContext->pFobx->UnicodeQueryTemplate,
RxContext->QueryDirectory.FileIndex,
RxContext->QueryDirectory.RestartScan,
RxContext->QueryDirectory.ReturnSingleEntry,
RxContext->QueryDirectory.IndexSpecified,
RxContext->QueryDirectory.InitialQuery);
}
NTSTATUS map_querydir_errors(
DWORD status)
{
switch (status) {
case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
case ERROR_BUFFER_OVERFLOW: return STATUS_BUFFER_OVERFLOW;
case ERROR_FILE_NOT_FOUND: return STATUS_NO_SUCH_FILE;
case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED;
case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
case ERROR_NO_MORE_FILES: return STATUS_NO_MORE_FILES;
case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES;
case ERROR_FILENAME_EXCED_RANGE: return STATUS_NAME_TOO_LONG;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", status);
case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE;
}
}
NTSTATUS check_nfs41_dirquery_args(
IN PRX_CONTEXT RxContext)
{
if (RxContext->Info.Buffer == NULL)
return STATUS_INVALID_USER_BUFFER;
return STATUS_SUCCESS;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_QueryDirectory(
#else
NTSTATUS nfs41_QueryDirectory(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_INVALID_PARAMETER;
nfs41_updowncall_entry *entry;
FILE_INFORMATION_CLASS InfoClass = RxContext->Info.FileInformationClass;
PUNICODE_STRING Filter = &RxContext->pFobx->UnicodeQueryTemplate;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_DIR_QUERY
DbgEn();
print_querydir_args(RxContext);
#endif
status = check_nfs41_dirquery_args(RxContext);
if (status) goto out;
switch (InfoClass) {
/* classes handled in readdir_copy_entry() and readdir_size_for_entry() */
case FileNamesInformation:
case FileDirectoryInformation:
case FileFullDirectoryInformation:
case FileIdFullDirectoryInformation:
case FileBothDirectoryInformation:
case FileIdBothDirectoryInformation:
break;
default:
print_error("nfs41_QueryDirectory: unhandled dir query class %d\n",
InfoClass);
status = STATUS_NOT_SUPPORTED;
goto out;
}
status = nfs41_UpcallCreate(NFS41_DIR_QUERY, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.QueryFile.InfoClass = InfoClass;
entry->buf_len = RxContext->Info.LengthRemaining;
entry->buf = RxContext->Info.Buffer;
entry->u.QueryFile.mdl = IoAllocateMdl(RxContext->Info.Buffer,
RxContext->Info.LengthRemaining, FALSE, FALSE, NULL);
if (entry->u.QueryFile.mdl == NULL) {
status = STATUS_INTERNAL_ERROR;
RxFreePool(entry);
goto out;
}
entry->u.QueryFile.mdl->MdlFlags |= MDL_MAPPING_CAN_FAIL;
MmProbeAndLockPages(entry->u.QueryFile.mdl, KernelMode, IoModifyAccess);
entry->u.QueryFile.filter = Filter;
entry->u.QueryFile.initial_query = RxContext->QueryDirectory.InitialQuery;
entry->u.QueryFile.restart_scan = RxContext->QueryDirectory.RestartScan;
entry->u.QueryFile.return_single = RxContext->QueryDirectory.ReturnSingleEntry;
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
MmUnlockPages(entry->u.QueryFile.mdl);
if (entry->status == STATUS_BUFFER_TOO_SMALL) {
DbgP("nfs41_QueryDirectory: buffer too small provided %d need %lu\n",
RxContext->Info.LengthRemaining, entry->buf_len);
RxContext->InformationToReturn = entry->buf_len;
status = STATUS_BUFFER_TOO_SMALL;
} else if (entry->status == STATUS_SUCCESS) {
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&readdir.sops);
InterlockedAdd64(&readdir.size, entry->u.QueryFile.buf_len);
#endif
RxContext->Info.LengthRemaining -= entry->buf_len;
status = STATUS_SUCCESS;
} else {
/* map windows ERRORs to NTSTATUS */
status = map_querydir_errors(entry->status);
}
IoFreeMdl(entry->u.QueryFile.mdl);
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&readdir.tops);
InterlockedAdd64(&readdir.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_QueryDirectory delta = %d ops=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, readdir.tops, readdir.ticks);
#endif
#endif
#ifdef DEBUG_DIR_QUERY
DbgEx();
#endif
return status;
}
void print_queryvolume_args(
PRX_CONTEXT RxContext)
{
print_debug_header(RxContext);
DbgP("FileName='%wZ', InfoClass = %s BufferLen = %d\n",
GET_ALREADY_PREFIXED_NAME_FROM_CONTEXT(RxContext),
print_fs_information_class(RxContext->Info.FileInformationClass),
RxContext->Info.LengthRemaining);
}
NTSTATUS map_volume_errors(
DWORD status)
{
switch (status) {
case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
case ERROR_VC_DISCONNECTED: return STATUS_CONNECTION_DISCONNECTED;
case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED;
case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", status);
case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE;
}
}
void nfs41_create_volume_info(PFILE_FS_VOLUME_INFORMATION pVolInfo, DWORD *len)
{
DECLARE_CONST_UNICODE_STRING(VolName, VOL_NAME);
RtlZeroMemory(pVolInfo, sizeof(FILE_FS_VOLUME_INFORMATION));
pVolInfo->VolumeSerialNumber = 0xBABAFACE;
pVolInfo->VolumeLabelLength = VolName.Length;
RtlCopyMemory(&pVolInfo->VolumeLabel[0], (PVOID)VolName.Buffer,
VolName.MaximumLength);
*len = sizeof(FILE_FS_VOLUME_INFORMATION) + VolName.Length;
}
static BOOLEAN is_root_directory(
PRX_CONTEXT RxContext)
{
__notnull PV_NET_ROOT VNetRoot = (PV_NET_ROOT)
RxContext->pRelevantSrvOpen->pVNetRoot;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot);
/* calculate the root directory's length, including vnetroot prefix,
* mount path, and a trailing \ */
const USHORT RootPathLen = VNetRoot->PrefixEntry.Prefix.Length +
pVNetRootContext->MountPathLen + sizeof(WCHAR);
return RxContext->CurrentIrpSp->FileObject->FileName.Length <= RootPathLen;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_QueryVolumeInformation(
#else
NTSTATUS nfs41_QueryVolumeInformation(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_INVALID_PARAMETER;
nfs41_updowncall_entry *entry;
ULONG RemainingLength = RxContext->Info.LengthRemaining, SizeUsed;
FS_INFORMATION_CLASS InfoClass = RxContext->Info.FsInformationClass;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
NFS41GetDeviceExtension(RxContext, DevExt);
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_VOLUME_QUERY
DbgEn();
print_queryvolume_args(RxContext);
#endif
status = check_nfs41_dirquery_args(RxContext);
if (status) goto out;
switch (InfoClass) {
case FileFsVolumeInformation:
if ((ULONG)RxContext->Info.LengthRemaining >= DevExt->VolAttrsLen) {
RtlCopyMemory(RxContext->Info.Buffer, DevExt->VolAttrs,
DevExt->VolAttrsLen);
RxContext->Info.LengthRemaining -= DevExt->VolAttrsLen;
status = STATUS_SUCCESS;
} else {
RtlCopyMemory(RxContext->Info.Buffer, DevExt->VolAttrs,
RxContext->Info.LengthRemaining);
status = STATUS_BUFFER_OVERFLOW;
}
goto out;
case FileFsDeviceInformation:
{
PFILE_FS_DEVICE_INFORMATION pDevInfo = RxContext->Info.Buffer;
SizeUsed = sizeof(FILE_FS_DEVICE_INFORMATION);
if (RemainingLength < SizeUsed) {
status = STATUS_BUFFER_TOO_SMALL;
RxContext->InformationToReturn = SizeUsed;
goto out;
}
pDevInfo->DeviceType = RxContext->pFcb->pNetRoot->DeviceType;
pDevInfo->Characteristics = FILE_REMOTE_DEVICE | FILE_DEVICE_IS_MOUNTED;
RxContext->Info.LengthRemaining -= SizeUsed;
status = STATUS_SUCCESS;
goto out;
}
case FileAccessInformation:
status = STATUS_NOT_SUPPORTED;
goto out;
case FileFsAttributeInformation:
if (RxContext->Info.LengthRemaining < FS_ATTR_LEN) {
RxContext->InformationToReturn = FS_ATTR_LEN;
status = STATUS_BUFFER_TOO_SMALL;
goto out;
}
/* on attribute queries for the root directory,
* use cached volume attributes from mount */
if (is_root_directory(RxContext)) {
PFILE_FS_ATTRIBUTE_INFORMATION attrs =
(PFILE_FS_ATTRIBUTE_INFORMATION)RxContext->Info.Buffer;
DECLARE_CONST_UNICODE_STRING(FsName, FS_NAME);
RtlCopyMemory(attrs, &pVNetRootContext->FsAttrs,
sizeof(pVNetRootContext->FsAttrs));
/* fill in the FileSystemName */
RtlCopyMemory(attrs->FileSystemName, FsName.Buffer,
FsName.MaximumLength); /* 'MaximumLength' to include null */
attrs->FileSystemNameLength = FsName.Length;
RxContext->Info.LengthRemaining -= FS_ATTR_LEN;
goto out;
}
/* else fall through and send the upcall */
case FileFsSizeInformation:
case FileFsFullSizeInformation:
break;
default:
print_error("nfs41_QueryVolumeInformation: unhandled class %d\n", InfoClass);
status = STATUS_NOT_SUPPORTED;
goto out;
}
status = nfs41_UpcallCreate(NFS41_VOLUME_QUERY, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.Volume.query = InfoClass;
entry->buf = RxContext->Info.Buffer;
entry->buf_len = RxContext->Info.LengthRemaining;
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
if (entry->status == STATUS_BUFFER_TOO_SMALL) {
RxContext->InformationToReturn = entry->buf_len;
status = STATUS_BUFFER_TOO_SMALL;
} else if (entry->status == STATUS_SUCCESS) {
if (InfoClass == FileFsAttributeInformation) {
/* fill in the FileSystemName */
PFILE_FS_ATTRIBUTE_INFORMATION attrs =
(PFILE_FS_ATTRIBUTE_INFORMATION)RxContext->Info.Buffer;
DECLARE_CONST_UNICODE_STRING(FsName, FS_NAME);
RtlCopyMemory(attrs->FileSystemName, FsName.Buffer,
FsName.MaximumLength); /* 'MaximumLength' to include null */
attrs->FileSystemNameLength = FsName.Length;
entry->buf_len = FS_ATTR_LEN;
}
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&volume.sops);
InterlockedAdd64(&volume.size, entry->u.Volume.buf_len);
#endif
RxContext->Info.LengthRemaining -= entry->buf_len;
status = STATUS_SUCCESS;
} else {
status = map_volume_errors(entry->status);
}
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&volume.tops);
InterlockedAdd64(&volume.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_QueryVolumeInformation delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, volume.tops, volume.ticks);
#endif
#endif
#ifdef DEBUG_VOLUME_QUERY
DbgEx();
#endif
return status;
}
VOID nfs41_update_fcb_list(
PMRX_FCB fcb,
ULONGLONG ChangeTime)
{
PLIST_ENTRY pEntry;
nfs41_fcb_list_entry *cur;
ExAcquireFastMutex(&fcblistLock);
pEntry = openlist.head.Flink;
while (!IsListEmpty(&openlist.head)) {
cur = (nfs41_fcb_list_entry *)CONTAINING_RECORD(pEntry,
nfs41_fcb_list_entry, next);
if (cur->fcb == fcb &&
cur->ChangeTime != ChangeTime) {
#if defined(DEBUG_FILE_SET) || defined(DEBUG_ACL_SET) || \
defined(DEBUG_WRITE) || defined(DEBUG_EA_SET)
DbgP("nfs41_update_fcb_list: Found match for fcb %p: updating "
"%llu to %llu\n", fcb, cur->ChangeTime, ChangeTime);
#endif
cur->ChangeTime = ChangeTime;
break;
}
/* place an upcall for this srv_open */
if (pEntry->Flink == &openlist.head) {
#if defined(DEBUG_FILE_SET) || defined(DEBUG_ACL_SET) || \
defined(DEBUG_WRITE) || defined(DEBUG_EA_SET)
DbgP("nfs41_update_fcb_list: reached EOL loooking for "
"fcb=%p\n", fcb);
#endif
break;
}
pEntry = pEntry->Flink;
}
ExReleaseFastMutex(&fcblistLock);
}
void print_nfs3_attrs(
nfs3_attrs *attrs)
{
DbgP("type=%d mode=%o nlink=%d size=%d atime=%x mtime=%x ctime=%x\n",
attrs->type, attrs->mode, attrs->nlink, attrs->size, attrs->atime,
attrs->mtime, attrs->ctime);
}
void file_time_to_nfs_time(
IN const PLARGE_INTEGER file_time,
OUT LONGLONG *nfs_time)
{
LARGE_INTEGER diff = unix_time_diff;
diff.QuadPart = file_time->QuadPart - diff.QuadPart;
*nfs_time = diff.QuadPart / 10000000;
}
void create_nfs3_attrs(
nfs3_attrs *attrs,
PNFS41_FCB nfs41_fcb)
{
RtlZeroMemory(attrs, sizeof(nfs3_attrs));
if (nfs41_fcb->BasicInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
attrs->type = NF3LNK;
else if (nfs41_fcb->StandardInfo.Directory)
attrs->type = NF3DIR;
else
attrs->type = NF3REG;
attrs->mode = nfs41_fcb->mode;
attrs->nlink = nfs41_fcb->StandardInfo.NumberOfLinks;
attrs->size.QuadPart = attrs->used.QuadPart =
nfs41_fcb->StandardInfo.EndOfFile.QuadPart;
file_time_to_nfs_time(&nfs41_fcb->BasicInfo.LastAccessTime, &attrs->atime);
file_time_to_nfs_time(&nfs41_fcb->BasicInfo.ChangeTime, &attrs->mtime);
file_time_to_nfs_time(&nfs41_fcb->BasicInfo.CreationTime, &attrs->ctime);
}
NTSTATUS map_setea_error(
DWORD error)
{
switch (error) {
case NO_ERROR: return STATUS_SUCCESS;
case ERROR_FILE_NOT_FOUND: return STATUS_NO_EAS_ON_FILE;
case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
case ERROR_NETWORK_ACCESS_DENIED: return STATUS_NETWORK_ACCESS_DENIED;
case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED;
case ERROR_FILE_TOO_LARGE: return STATUS_EA_TOO_LARGE;
case ERROR_BUFFER_OVERFLOW: return STATUS_BUFFER_OVERFLOW;
case STATUS_BUFFER_TOO_SMALL:
case ERROR_INSUFFICIENT_BUFFER: return STATUS_BUFFER_TOO_SMALL;
case ERROR_INVALID_EA_HANDLE: return STATUS_NONEXISTENT_EA_ENTRY;
case ERROR_NO_MORE_FILES: return STATUS_NO_MORE_EAS;
case ERROR_EA_FILE_CORRUPT: return STATUS_EA_CORRUPT_ERROR;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INVALID_PARAMETER\n", error);
case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
}
}
NTSTATUS check_nfs41_setea_args(
IN PRX_CONTEXT RxContext)
{
NTSTATUS status;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot);
__notnull PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs =
&pVNetRootContext->FsAttrs;
__notnull PFILE_FULL_EA_INFORMATION ea =
(PFILE_FULL_EA_INFORMATION)RxContext->Info.Buffer;
status = check_nfs41_dirquery_args(RxContext);
if (status) goto out;
if (ea == NULL) {
status = STATUS_INVALID_PARAMETER;
goto out;
}
if (AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength) ||
AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength)) {
status = STATUS_INVALID_PARAMETER; /* only allowed on create */
goto out;
}
/* ignore cygwin EAs when checking support */
if (!(FsAttrs->FileSystemAttributes & FILE_SUPPORTS_EXTENDED_ATTRIBUTES)
&& !AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength)) {
status = STATUS_EAS_NOT_SUPPORTED;
goto out;
}
if ((RxContext->pRelevantSrvOpen->DesiredAccess & FILE_WRITE_EA) == 0) {
status = STATUS_ACCESS_DENIED;
goto out;
}
if (pVNetRootContext->read_only) {
print_error("check_nfs41_setattr_args: Read-only mount\n");
status = STATUS_ACCESS_DENIED;
goto out;
}
out:
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_SetEaInformation(
#else
NTSTATUS nfs41_SetEaInformation(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_EAS_NOT_SUPPORTED;
nfs41_updowncall_entry *entry;
__notnull PFILE_FULL_EA_INFORMATION eainfo =
(PFILE_FULL_EA_INFORMATION)RxContext->Info.Buffer;
nfs3_attrs *attrs = NULL;
ULONG buflen = RxContext->CurrentIrpSp->Parameters.SetEa.Length, error_offset;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_EA_SET
DbgEn();
print_debug_header(RxContext);
print_ea_info(1, eainfo);
#endif
status = check_nfs41_setea_args(RxContext);
if (status) goto out;
status = nfs41_UpcallCreate(NFS41_EA_SET, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
if (AnsiStrEq(&NfsV3Attributes, eainfo->EaName, eainfo->EaNameLength)) {
attrs = (nfs3_attrs *)(eainfo->EaName + eainfo->EaNameLength + 1);
#ifdef DEBUG_EA_SET
print_nfs3_attrs(attrs);
DbgP("old mode is %o new mode is %o\n", nfs41_fcb->mode, attrs->mode);
#endif
entry->u.SetEa.mode = attrs->mode;
} else {
entry->u.SetEa.mode = 0;
status = IoCheckEaBufferValidity(eainfo, buflen, &error_offset);
if (status) {
RxFreePool(entry);
goto out;
}
}
entry->buf = eainfo;
entry->buf_len = buflen;
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
#ifdef ENABLE_TIMINGS
if (entry->status == STATUS_SUCCESS) {
InterlockedIncrement(&setexattr.sops);
InterlockedAdd64(&setexattr.size, entry->u.SetEa.buf_len);
}
#endif
status = map_setea_error(entry->status);
if (!status) {
if (!nfs41_fobx->deleg_type && entry->ChangeTime &&
(SrvOpen->DesiredAccess &
(FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA)))
nfs41_update_fcb_list(RxContext->pFcb, entry->ChangeTime);
nfs41_fcb->changeattr = entry->ChangeTime;
nfs41_fcb->mode = entry->u.SetEa.mode;
}
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&setexattr.tops);
InterlockedAdd64(&setexattr.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_SetEaInformation delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, setexattr.tops, setexattr.ticks);
#endif
#endif
#ifdef DEBUG_EA_SET
DbgEx();
#endif
return status;
}
NTSTATUS check_nfs41_queryea_args(
IN PRX_CONTEXT RxContext)
{
NTSTATUS status;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot);
__notnull PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs =
&pVNetRootContext->FsAttrs;
PFILE_GET_EA_INFORMATION ea = (PFILE_GET_EA_INFORMATION)
RxContext->CurrentIrpSp->Parameters.QueryEa.EaList;
status = check_nfs41_dirquery_args(RxContext);
if (status) goto out;
if (!(FsAttrs->FileSystemAttributes & FILE_SUPPORTS_EXTENDED_ATTRIBUTES)) {
if (ea == NULL) {
status = STATUS_EAS_NOT_SUPPORTED;
goto out;
}
/* ignore cygwin EAs when checking support */
if (!AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength) &&
!AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength) &&
!AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength)) {
status = STATUS_EAS_NOT_SUPPORTED;
goto out;
}
}
if ((RxContext->pRelevantSrvOpen->DesiredAccess & FILE_READ_EA) == 0) {
status = STATUS_ACCESS_DENIED;
goto out;
}
out:
return status;
}
static NTSTATUS QueryCygwinSymlink(
IN OUT PRX_CONTEXT RxContext,
IN PFILE_GET_EA_INFORMATION query,
OUT PFILE_FULL_EA_INFORMATION info)
{
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION VNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION NetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FOBX Fobx = NFS41GetFobxExtension(RxContext->pFobx);
nfs41_updowncall_entry *entry;
UNICODE_STRING TargetName;
const USHORT HeaderLen = FIELD_OFFSET(FILE_FULL_EA_INFORMATION, EaName) +
query->EaNameLength + 1;
NTSTATUS status;
if (RxContext->Info.LengthRemaining < HeaderLen) {
status = STATUS_BUFFER_TOO_SMALL;
RxContext->InformationToReturn = HeaderLen;
goto out;
}
TargetName.Buffer = (PWCH)(info->EaName + query->EaNameLength + 1);
TargetName.MaximumLength = (USHORT)min(RxContext->Info.LengthRemaining -
HeaderLen, 0xFFFF);
status = nfs41_UpcallCreate(NFS41_SYMLINK, &Fobx->sec_ctx,
VNetRootContext->session, Fobx->nfs41_open_state,
NetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.Symlink.target = &TargetName;
entry->u.Symlink.set = FALSE;
status = nfs41_UpcallWaitForReply(entry, VNetRootContext->timeout);
if (status) goto out;
status = map_setea_error(entry->status);
if (status == STATUS_SUCCESS) {
info->NextEntryOffset = 0;
info->Flags = 0;
info->EaNameLength = query->EaNameLength;
info->EaValueLength = TargetName.Length - sizeof(UNICODE_NULL);
TargetName.Buffer[TargetName.Length/sizeof(WCHAR)] = UNICODE_NULL;
RtlCopyMemory(info->EaName, query->EaName, query->EaNameLength);
RxContext->Info.LengthRemaining = HeaderLen + info->EaValueLength;
} else if (status == STATUS_BUFFER_TOO_SMALL) {
RxContext->InformationToReturn = HeaderLen +
entry->u.Symlink.target->Length;
}
RxFreePool(entry);
out:
return status;
}
static NTSTATUS QueryCygwinEA(
IN OUT PRX_CONTEXT RxContext,
IN PFILE_GET_EA_INFORMATION query,
OUT PFILE_FULL_EA_INFORMATION info)
{
NTSTATUS status = STATUS_NONEXISTENT_EA_ENTRY;
if (query == NULL)
goto out;
if (AnsiStrEq(&NfsSymlinkTargetName, query->EaName, query->EaNameLength)) {
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
if (nfs41_fcb->BasicInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
status = QueryCygwinSymlink(RxContext, query, info);
goto out;
} else {
const LONG LengthRequired = sizeof(FILE_FULL_EA_INFORMATION) +
NfsSymlinkTargetName.Length - sizeof(CHAR);
if (LengthRequired > RxContext->Info.LengthRemaining) {
status = STATUS_BUFFER_TOO_SMALL;
RxContext->InformationToReturn = LengthRequired;
goto out;
}
info->NextEntryOffset = 0;
info->Flags = 0;
info->EaValueLength = 0;
info->EaNameLength = (UCHAR)NfsActOnLink.Length;
RtlCopyMemory(info->EaName, NfsSymlinkTargetName.Buffer,
NfsSymlinkTargetName.Length);
RxContext->Info.LengthRemaining = LengthRequired;
status = STATUS_SUCCESS;
goto out;
}
}
if (AnsiStrEq(&NfsV3Attributes, query->EaName, query->EaNameLength)) {
nfs3_attrs attrs;
const LONG LengthRequired = sizeof(FILE_FULL_EA_INFORMATION) +
NfsV3Attributes.Length + sizeof(nfs3_attrs) - sizeof(CHAR);
if (LengthRequired > RxContext->Info.LengthRemaining) {
status = STATUS_BUFFER_TOO_SMALL;
RxContext->InformationToReturn = LengthRequired;
goto out;
}
create_nfs3_attrs(&attrs, NFS41GetFcbExtension(RxContext->pFcb));
#ifdef DEBUG_EA_QUERY
print_nfs3_attrs(&attrs);
#endif
info->NextEntryOffset = 0;
info->Flags = 0;
info->EaNameLength = (UCHAR)NfsV3Attributes.Length;
info->EaValueLength = sizeof(nfs3_attrs);
RtlCopyMemory(info->EaName, NfsV3Attributes.Buffer,
NfsV3Attributes.Length);
RtlCopyMemory(info->EaName + info->EaNameLength + 1, &attrs,
sizeof(nfs3_attrs));
RxContext->Info.LengthRemaining = LengthRequired;
status = STATUS_SUCCESS;
goto out;
}
if (AnsiStrEq(&NfsActOnLink, query->EaName, query->EaNameLength)) {
const LONG LengthRequired = sizeof(FILE_FULL_EA_INFORMATION) +
query->EaNameLength - sizeof(CHAR);
if (LengthRequired > RxContext->Info.LengthRemaining) {
status = STATUS_BUFFER_TOO_SMALL;
RxContext->InformationToReturn = LengthRequired;
goto out;
}
info->NextEntryOffset = 0;
info->Flags = 0;
info->EaNameLength = query->EaNameLength;
info->EaValueLength = 0;
RtlCopyMemory(info->EaName, query->EaName, query->EaNameLength);
RxContext->Info.LengthRemaining = LengthRequired;
status = STATUS_SUCCESS;
goto out;
}
out:
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_QueryEaInformation(
#else
NTSTATUS nfs41_QueryEaInformation(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_EAS_NOT_SUPPORTED;
nfs41_updowncall_entry *entry;
PFILE_GET_EA_INFORMATION query = (PFILE_GET_EA_INFORMATION)
RxContext->CurrentIrpSp->Parameters.QueryEa.EaList;
ULONG buflen = RxContext->CurrentIrpSp->Parameters.QueryEa.Length;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_EA_QUERY
DbgEn();
print_debug_header(RxContext);
print_get_ea(1, query);
#endif
status = check_nfs41_queryea_args(RxContext);
if (status) goto out;
/* handle queries for cygwin EAs */
status = QueryCygwinEA(RxContext, query,
(PFILE_FULL_EA_INFORMATION)RxContext->Info.Buffer);
if (status != STATUS_NONEXISTENT_EA_ENTRY)
goto out;
status = nfs41_UpcallCreate(NFS41_EA_GET, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->buf_len = buflen;
entry->buf = RxContext->Info.Buffer;
entry->u.QueryEa.EaList = query;
entry->u.QueryEa.EaListLength = query == NULL ? 0 :
RxContext->QueryEa.UserEaListLength;
entry->u.QueryEa.EaIndex = RxContext->QueryEa.IndexSpecified ?
RxContext->QueryEa.UserEaIndex : 0;
entry->u.QueryEa.RestartScan = RxContext->QueryEa.RestartScan;
entry->u.QueryEa.ReturnSingleEntry = RxContext->QueryEa.ReturnSingleEntry;
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
if (entry->status == STATUS_SUCCESS) {
switch (entry->u.QueryEa.Overflow) {
case ERROR_INSUFFICIENT_BUFFER:
status = STATUS_BUFFER_TOO_SMALL;
break;
case ERROR_BUFFER_OVERFLOW:
status = RxContext->IoStatusBlock.Status = STATUS_BUFFER_OVERFLOW;
break;
default:
RxContext->IoStatusBlock.Status = STATUS_SUCCESS;
break;
}
RxContext->InformationToReturn = entry->buf_len;
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&getexattr.sops);
InterlockedAdd64(&getexattr.size, entry->u.QueryEa.buf_len);
#endif
} else {
status = map_setea_error(entry->status);
}
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&getexattr.tops);
InterlockedAdd64(&getexattr.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_QueryEaInformation delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, getexattr.tops, getexattr.ticks);
#endif
#endif
#ifdef DEBUG_EA_QUERY
DbgEx();
#endif
return status;
}
NTSTATUS map_query_acl_error(
DWORD error)
{
switch (error) {
case NO_ERROR: return STATUS_SUCCESS;
case ERROR_NOT_SUPPORTED: return STATUS_NOT_SUPPORTED;
case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
case ERROR_FILE_NOT_FOUND: return STATUS_OBJECT_NAME_NOT_FOUND;
case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", error);
case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE;
}
}
NTSTATUS check_nfs41_getacl_args(
PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
SECURITY_INFORMATION info_class =
RxContext->CurrentIrpSp->Parameters.QuerySecurity.SecurityInformation;
/* we don't support sacls */
if (info_class == SACL_SECURITY_INFORMATION ||
info_class == LABEL_SECURITY_INFORMATION) {
status = STATUS_NOT_SUPPORTED;
goto out;
}
if (RxContext->CurrentIrp->UserBuffer == NULL &&
RxContext->CurrentIrpSp->Parameters.QuerySecurity.Length)
status = STATUS_INVALID_USER_BUFFER;
out:
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_QuerySecurityInformation(
#else
NTSTATUS nfs41_QuerySecurityInformation(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_NOT_SUPPORTED;
nfs41_updowncall_entry *entry;
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
SECURITY_INFORMATION info_class =
RxContext->CurrentIrpSp->Parameters.QuerySecurity.SecurityInformation;
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_ACL_QUERY
DbgEn();
print_debug_header(RxContext);
print_acl_args(info_class);
#endif
status = check_nfs41_getacl_args(RxContext);
if (status) goto out;
if (nfs41_fobx->acl && nfs41_fobx->acl_len) {
LARGE_INTEGER current_time;
KeQuerySystemTime(&current_time);
#ifdef DEBUG_ACL_QUERY
DbgP("CurrentTime %lx Saved Acl time %lx\n",
current_time.QuadPart, nfs41_fobx->time.QuadPart);
#endif
if (current_time.QuadPart - nfs41_fobx->time.QuadPart <= 20*1000) {
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
RtlCopyMemory(sec_desc, nfs41_fobx->acl, nfs41_fobx->acl_len);
RxContext->IoStatusBlock.Information =
RxContext->InformationToReturn = nfs41_fobx->acl_len;
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&getacl.sops);
InterlockedAdd64(&getacl.size, nfs41_fobx->acl_len);
#endif
} else status = 1;
RxFreePool(nfs41_fobx->acl);
nfs41_fobx->acl = NULL;
nfs41_fobx->acl_len = 0;
if (!status)
goto out;
}
status = nfs41_UpcallCreate(NFS41_ACL_QUERY, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.Acl.query = info_class;
/* we can't provide RxContext->CurrentIrp->UserBuffer to the upcall thread
* because it becomes an invalid pointer with that execution context
*/
entry->buf_len = RxContext->CurrentIrpSp->Parameters.QuerySecurity.Length;
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
if (entry->status == STATUS_BUFFER_TOO_SMALL) {
#ifdef DEBUG_ACL_QUERY
DbgP("nfs41_QuerySecurityInformation: provided buffer size=%d but we "
"need %lu\n",
RxContext->CurrentIrpSp->Parameters.QuerySecurity.Length,
entry->buf_len);
#endif
status = STATUS_BUFFER_OVERFLOW;
RxContext->InformationToReturn = entry->buf_len;
/* Save ACL buffer */
nfs41_fobx->acl = entry->buf;
nfs41_fobx->acl_len = entry->buf_len;
KeQuerySystemTime(&nfs41_fobx->time);
} else if (entry->status == STATUS_SUCCESS) {
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
RtlCopyMemory(sec_desc, entry->buf, entry->buf_len);
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&getacl.sops);
InterlockedAdd64(&getacl.size, entry->u.Acl.buf_len);
#endif
RxFreePool(entry->buf);
nfs41_fobx->acl = NULL;
nfs41_fobx->acl_len = 0;
RxContext->IoStatusBlock.Information = RxContext->InformationToReturn =
entry->buf_len;
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
} else {
status = map_query_acl_error(entry->status);
}
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
/* only count getacl that we made an upcall for */
if (status == STATUS_BUFFER_OVERFLOW) {
InterlockedIncrement(&getacl.tops);
InterlockedAdd64(&getacl.ticks, t2.QuadPart - t1.QuadPart);
}
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_QuerySecurityInformation: delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, getacl.tops, getacl.ticks);
#endif
#endif
#ifdef DEBUG_ACL_QUERY
DbgEx();
#endif
return status;
}
NTSTATUS check_nfs41_setacl_args(
PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot);
SECURITY_INFORMATION info_class =
RxContext->CurrentIrpSp->Parameters.SetSecurity.SecurityInformation;
if (pVNetRootContext->read_only) {
print_error("check_nfs41_setacl_args: Read-only mount\n");
status = STATUS_ACCESS_DENIED;
goto out;
}
/* we don't support sacls */
if (info_class == SACL_SECURITY_INFORMATION ||
info_class == LABEL_SECURITY_INFORMATION) {
status = STATUS_NOT_SUPPORTED;
goto out;
}
out:
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_SetSecurityInformation(
#else
NTSTATUS nfs41_SetSecurityInformation(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_NOT_SUPPORTED;
nfs41_updowncall_entry *entry;
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PSECURITY_DESCRIPTOR sec_desc =
RxContext->CurrentIrpSp->Parameters.SetSecurity.SecurityDescriptor;
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
SECURITY_INFORMATION info_class =
RxContext->CurrentIrpSp->Parameters.SetSecurity.SecurityInformation;
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_ACL_SET
DbgEn();
print_debug_header(RxContext);
print_acl_args(info_class);
#endif
status = check_nfs41_setacl_args(RxContext);
if (status) goto out;
/* check that ACL is present */
if (info_class & DACL_SECURITY_INFORMATION) {
PACL acl;
BOOLEAN present, dacl_default;
status = RtlGetDaclSecurityDescriptor(sec_desc, &present, &acl,
&dacl_default);
if (status) {
DbgP("RtlGetDaclSecurityDescriptor failed %x\n", status);
goto out;
}
if (present == FALSE) {
DbgP("NO ACL present\n");
goto out;
}
}
status = nfs41_UpcallCreate(NFS41_ACL_SET, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.Acl.query = info_class;
entry->buf = sec_desc;
entry->buf_len = RtlLengthSecurityDescriptor(sec_desc);
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&setacl.sops);
InterlockedAdd64(&setacl.size, entry->u.Acl.buf_len);
#endif
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
status = map_query_acl_error(entry->status);
if (!status) {
if (!nfs41_fobx->deleg_type && entry->ChangeTime &&
(SrvOpen->DesiredAccess &
(FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA)))
nfs41_update_fcb_list(RxContext->pFcb, entry->ChangeTime);
nfs41_fcb->changeattr = entry->ChangeTime;
}
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&setacl.tops);
InterlockedAdd64(&setacl.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_SetSecurityInformation delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, setacl.tops, setacl.ticks);
#endif
#endif
#ifdef DEBUG_ACL_SET
DbgEx();
#endif
return status;
}
NTSTATUS map_queryfile_error(
DWORD error)
{
switch (error) {
case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED;
case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", error);
case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE;
}
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_QueryFileInformation(
#else
NTSTATUS nfs41_QueryFileInformation(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND;
FILE_INFORMATION_CLASS InfoClass = RxContext->Info.FileInformationClass;
nfs41_updowncall_entry *entry;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_FILE_QUERY
DbgEn();
print_debug_filedirquery_header(RxContext);
#endif
status = check_nfs41_dirquery_args(RxContext);
if (status) goto out;
switch (InfoClass) {
case FileEaInformation:
{
PFILE_EA_INFORMATION info =
(PFILE_EA_INFORMATION)RxContext->Info.Buffer;
info->EaSize = 0;
RxContext->Info.LengthRemaining -= sizeof(FILE_EA_INFORMATION);
status = STATUS_SUCCESS;
goto out;
}
case FileBasicInformation:
case FileStandardInformation:
case FileInternalInformation:
case FileAttributeTagInformation:
case FileNetworkOpenInformation:
break;
default:
print_error("nfs41_QueryFileInformation: unhandled class %d\n", InfoClass);
status = STATUS_NOT_SUPPORTED;
goto out;
}
status = nfs41_UpcallCreate(NFS41_FILE_QUERY, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.QueryFile.InfoClass = InfoClass;
entry->buf = RxContext->Info.Buffer;
entry->buf_len = RxContext->Info.LengthRemaining;
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
if (entry->status == STATUS_BUFFER_TOO_SMALL) {
RxContext->InformationToReturn = entry->buf_len;
status = STATUS_BUFFER_TOO_SMALL;
} else if (entry->status == STATUS_SUCCESS) {
BOOLEAN DeletePending = FALSE;
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&getattr.sops);
InterlockedAdd64(&getattr.size, entry->u.QueryFile.buf_len);
#endif
RxContext->Info.LengthRemaining -= entry->buf_len;
status = STATUS_SUCCESS;
switch (InfoClass) {
case FileBasicInformation:
RtlCopyMemory(&nfs41_fcb->BasicInfo, RxContext->Info.Buffer,
sizeof(nfs41_fcb->BasicInfo));
#ifdef DEBUG_FILE_QUERY
print_basic_info(1, &nfs41_fcb->BasicInfo);
#endif
break;
case FileStandardInformation:
/* this a fix for RDBSS behaviour when it first calls ExtendForCache,
* then it sends a file query irp for standard attributes and
* expects to receive EndOfFile of value set by the ExtendForCache.
* It seems to cache the filesize based on that instead of sending
* a file size query for after doing the write.
*/
{
PFILE_STANDARD_INFORMATION std_info;
std_info = (PFILE_STANDARD_INFORMATION)RxContext->Info.Buffer;
if (nfs41_fcb->StandardInfo.AllocationSize.QuadPart >
std_info->AllocationSize.QuadPart) {
#ifdef DEBUG_FILE_QUERY
DbgP("Old AllocationSize is bigger: saving %x\n",
nfs41_fcb->StandardInfo.AllocationSize.QuadPart);
#endif
std_info->AllocationSize.QuadPart =
nfs41_fcb->StandardInfo.AllocationSize.QuadPart;
}
if (nfs41_fcb->StandardInfo.EndOfFile.QuadPart >
std_info->EndOfFile.QuadPart) {
#ifdef DEBUG_FILE_QUERY
DbgP("Old EndOfFile is bigger: saving %x\n",
nfs41_fcb->StandardInfo.EndOfFile);
#endif
std_info->EndOfFile.QuadPart =
nfs41_fcb->StandardInfo.EndOfFile.QuadPart;
}
std_info->DeletePending = nfs41_fcb->DeletePending;
}
if (nfs41_fcb->StandardInfo.DeletePending)
DeletePending = TRUE;
RtlCopyMemory(&nfs41_fcb->StandardInfo, RxContext->Info.Buffer,
sizeof(nfs41_fcb->StandardInfo));
nfs41_fcb->StandardInfo.DeletePending = DeletePending;
#ifdef DEBUG_FILE_QUERY
print_std_info(1, &nfs41_fcb->StandardInfo);
#endif
break;
}
} else {
status = map_queryfile_error(entry->status);
}
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&getattr.tops);
InterlockedAdd64(&getattr.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_QueryFileInformation delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, getattr.tops, getattr.ticks);
#endif
#endif
#ifdef DEBUG_FILE_QUERY
DbgEx();
#endif
return status;
}
NTSTATUS map_setfile_error(
DWORD error)
{
switch (error) {
case NO_ERROR: return STATUS_SUCCESS;
case ERROR_NOT_EMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
case ERROR_FILE_EXISTS: return STATUS_OBJECT_NAME_COLLISION;
case ERROR_FILE_NOT_FOUND: return STATUS_OBJECT_NAME_NOT_FOUND;
case ERROR_PATH_NOT_FOUND: return STATUS_OBJECT_PATH_NOT_FOUND;
case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
case ERROR_FILE_INVALID: return STATUS_FILE_INVALID;
case ERROR_NOT_SAME_DEVICE: return STATUS_NOT_SAME_DEVICE;
case ERROR_NOT_SUPPORTED: return STATUS_NOT_IMPLEMENTED;
case ERROR_NETWORK_ACCESS_DENIED: return STATUS_NETWORK_ACCESS_DENIED;
case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED;
case ERROR_BUFFER_OVERFLOW: return STATUS_INSUFFICIENT_RESOURCES;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INVALID_PARAMETER\n", error);
case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
}
}
NTSTATUS check_nfs41_setattr_args(
IN PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
FILE_INFORMATION_CLASS InfoClass = RxContext->Info.FileInformationClass;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot);
if (pVNetRootContext->read_only) {
print_error("check_nfs41_setattr_args: Read-only mount\n");
status = STATUS_ACCESS_DENIED;
goto out;
}
/* http://msdn.microsoft.com/en-us/library/ff469355(v=PROT.10).aspx
* http://msdn.microsoft.com/en-us/library/ff469424(v=PROT.10).aspx
* If Open.GrantedAccess does not contain FILE_WRITE_DATA, the operation
* MUST be failed with STATUS_ACCESS_DENIED.
*/
if (InfoClass == FileAllocationInformation ||
InfoClass == FileEndOfFileInformation) {
if (!(RxContext->pRelevantSrvOpen->DesiredAccess & FILE_WRITE_DATA)) {
status = STATUS_ACCESS_DENIED;
goto out;
}
}
status = check_nfs41_dirquery_args(RxContext);
if (status) goto out;
switch (InfoClass) {
case FileRenameInformation:
{
PFILE_RENAME_INFORMATION rinfo =
(PFILE_RENAME_INFORMATION)RxContext->Info.Buffer;
UNICODE_STRING dst = { (USHORT)rinfo->FileNameLength,
(USHORT)rinfo->FileNameLength, rinfo->FileName };
#ifdef DEBUG_FILE_SET
DbgP("Attempting to rename to '%wZ'\n", &dst);
#endif
if (isFilenameTooLong(&dst, pVNetRootContext)) {
status = STATUS_OBJECT_NAME_INVALID;
goto out;
}
if (rinfo->RootDirectory) {
status = STATUS_INVALID_PARAMETER;
goto out;
}
break;
}
case FileLinkInformation:
{
PFILE_LINK_INFORMATION linfo =
(PFILE_LINK_INFORMATION)RxContext->Info.Buffer;
UNICODE_STRING dst = { (USHORT)linfo->FileNameLength,
(USHORT)linfo->FileNameLength, linfo->FileName };
#ifdef DEBUG_FILE_SET
DbgP("Attempting to add link as '%wZ'\n", &dst);
#endif
if (isFilenameTooLong(&dst, pVNetRootContext)) {
status = STATUS_OBJECT_NAME_INVALID;
goto out;
}
if (linfo->RootDirectory) {
status = STATUS_INVALID_PARAMETER;
goto out;
}
break;
}
case FileDispositionInformation:
{
PFILE_DISPOSITION_INFORMATION dinfo =
(PFILE_DISPOSITION_INFORMATION)RxContext->Info.Buffer;
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
if (dinfo->DeleteFile && nfs41_fcb->DeletePending) {
status = STATUS_DELETE_PENDING;
goto out;
}
break;
}
case FileBasicInformation:
case FileAllocationInformation:
case FileEndOfFileInformation:
break;
default:
print_error("nfs41_SetFileInformation: unhandled class %d\n", InfoClass);
status = STATUS_NOT_SUPPORTED;
}
out:
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_SetFileInformation(
#else
NTSTATUS nfs41_SetFileInformation(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_INVALID_PARAMETER;
nfs41_updowncall_entry *entry;
FILE_INFORMATION_CLASS InfoClass = RxContext->Info.FileInformationClass;
FILE_RENAME_INFORMATION rinfo;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_FILE_SET
DbgEn();
print_debug_filedirquery_header(RxContext);
#endif
status = check_nfs41_setattr_args(RxContext);
if (status) goto out;
switch (InfoClass) {
case FileDispositionInformation:
{
PFILE_DISPOSITION_INFORMATION dinfo =
(PFILE_DISPOSITION_INFORMATION)RxContext->Info.Buffer;
if (dinfo->DeleteFile) {
nfs41_fcb->DeletePending = TRUE;
// we can delete directories right away
if (nfs41_fcb->StandardInfo.Directory)
break;
nfs41_fcb->StandardInfo.DeletePending = TRUE;
if (RxContext->pFcb->OpenCount > 1) {
rinfo.ReplaceIfExists = 0;
rinfo.RootDirectory = INVALID_HANDLE_VALUE;
rinfo.FileNameLength = 0;
rinfo.FileName[0] = L'\0';
InfoClass = FileRenameInformation;
nfs41_fcb->Renamed = TRUE;
break;
}
} else {
/* section 4.3.3 of [FSBO]
* "file system behavior in the microsoft windows environment"
*/
if (nfs41_fcb->DeletePending) {
nfs41_fcb->DeletePending = 0;
nfs41_fcb->StandardInfo.DeletePending = 0;
}
}
status = STATUS_SUCCESS;
goto out;
}
case FileEndOfFileInformation:
{
PFILE_END_OF_FILE_INFORMATION info =
(PFILE_END_OF_FILE_INFORMATION)RxContext->Info.Buffer;
nfs41_fcb->StandardInfo.AllocationSize =
nfs41_fcb->StandardInfo.EndOfFile = info->EndOfFile;
break;
}
case FileRenameInformation:
{
/* noop if filename and destination are the same */
PFILE_RENAME_INFORMATION prinfo =
(PFILE_RENAME_INFORMATION)RxContext->Info.Buffer;
const UNICODE_STRING dst = { (USHORT)prinfo->FileNameLength,
(USHORT)prinfo->FileNameLength, prinfo->FileName };
if (RtlCompareUnicodeString(&dst,
SrvOpen->pAlreadyPrefixedName, FALSE) == 0) {
status = STATUS_SUCCESS;
goto out;
}
}
}
status = nfs41_UpcallCreate(NFS41_FILE_SET, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.SetFile.InfoClass = InfoClass;
/* original irp has infoclass for remove but we need to rename instead,
* thus we changed the local variable infoclass */
if (RxContext->Info.FileInformationClass == FileDispositionInformation &&
InfoClass == FileRenameInformation) {
entry->buf = &rinfo;
entry->buf_len = sizeof(rinfo);
} else {
entry->buf = RxContext->Info.Buffer;
entry->buf_len = RxContext->Info.Length;
}
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&setattr.sops);
InterlockedAdd64(&setattr.size, entry->u.SetFile.buf_len);
#endif
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
status = map_setfile_error(entry->status);
if (!status) {
if (!nfs41_fobx->deleg_type && entry->ChangeTime &&
(SrvOpen->DesiredAccess &
(FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA)))
nfs41_update_fcb_list(RxContext->pFcb, entry->ChangeTime);
nfs41_fcb->changeattr = entry->ChangeTime;
}
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&setattr.tops);
InterlockedAdd64(&setattr.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_SetFileInformation delta = %d op=%d sum=%d\n",
t2.QuadPart - t1.QuadPart, setattr.tops, setattr.ticks);
#endif
#endif
#ifdef DEBUG_FILE_SET
DbgEx();
#endif
return status;
}
NTSTATUS nfs41_SetFileInformationAtCleanup(
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status;
DbgEn();
status = nfs41_SetFileInformation(RxContext);
DbgEx();
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_IsValidDirectory (
#else
NTSTATUS nfs41_IsValidDirectory (
#endif
IN OUT PRX_CONTEXT RxContext,
IN PUNICODE_STRING DirectoryName)
{
return STATUS_SUCCESS;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_ComputeNewBufferingState(
#else
NTSTATUS nfs41_ComputeNewBufferingState(
#endif
IN OUT PMRX_SRV_OPEN pSrvOpen,
IN PVOID pMRxContext,
OUT ULONG *pNewBufferingState)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG flag = PtrToUlong(pMRxContext), oldFlags = pSrvOpen->BufferingFlags;
switch(flag) {
case DISABLE_CACHING:
if (pSrvOpen->BufferingFlags &
(FCB_STATE_READBUFFERING_ENABLED | FCB_STATE_READCACHING_ENABLED))
pSrvOpen->BufferingFlags &=
~(FCB_STATE_READBUFFERING_ENABLED |
FCB_STATE_READCACHING_ENABLED);
if (pSrvOpen->BufferingFlags &
(FCB_STATE_WRITECACHING_ENABLED | FCB_STATE_WRITEBUFFERING_ENABLED))
pSrvOpen->BufferingFlags &=
~(FCB_STATE_WRITECACHING_ENABLED |
FCB_STATE_WRITEBUFFERING_ENABLED);
pSrvOpen->BufferingFlags |= FCB_STATE_DISABLE_LOCAL_BUFFERING;
break;
case ENABLE_READ_CACHING:
pSrvOpen->BufferingFlags |=
(FCB_STATE_READBUFFERING_ENABLED | FCB_STATE_READCACHING_ENABLED);
break;
case ENABLE_WRITE_CACHING:
pSrvOpen->BufferingFlags |=
(FCB_STATE_WRITECACHING_ENABLED | FCB_STATE_WRITEBUFFERING_ENABLED);
break;
case ENABLE_READWRITE_CACHING:
pSrvOpen->BufferingFlags =
(FCB_STATE_READBUFFERING_ENABLED | FCB_STATE_READCACHING_ENABLED |
FCB_STATE_WRITECACHING_ENABLED | FCB_STATE_WRITEBUFFERING_ENABLED);
}
#ifdef DEBUG_TIME_BASED_COHERENCY
DbgP("nfs41_ComputeNewBufferingState: %wZ pSrvOpen %p Old %08x New %08x\n",
pSrvOpen->pAlreadyPrefixedName, pSrvOpen, oldFlags,
pSrvOpen->BufferingFlags);
*pNewBufferingState = pSrvOpen->BufferingFlags;
#endif
return status;
}
void print_readwrite_args(
PRX_CONTEXT RxContext)
{
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
print_debug_header(RxContext);
DbgP("Bytecount 0x%x Byteoffset 0x%x Buffer %p\n",
LowIoContext->ParamsFor.ReadWrite.ByteCount,
LowIoContext->ParamsFor.ReadWrite.ByteOffset,
LowIoContext->ParamsFor.ReadWrite.Buffer);
}
void enable_caching(
PMRX_SRV_OPEN SrvOpen,
PNFS41_FOBX nfs41_fobx,
ULONGLONG ChangeTime,
HANDLE session)
{
ULONG flag = 0;
PLIST_ENTRY pEntry;
nfs41_fcb_list_entry *cur;
BOOLEAN found = FALSE;
if (SrvOpen->DesiredAccess & FILE_READ_DATA)
flag = ENABLE_READ_CACHING;
if ((SrvOpen->DesiredAccess & FILE_WRITE_DATA) &&
!nfs41_fobx->write_thru)
flag = ENABLE_WRITE_CACHING;
if ((SrvOpen->DesiredAccess & FILE_READ_DATA) &&
(SrvOpen->DesiredAccess & FILE_WRITE_DATA) &&
!nfs41_fobx->write_thru)
flag = ENABLE_READWRITE_CACHING;
#if defined(DEBUG_TIME_BASED_COHERENCY) || \
defined(DEBUG_WRITE) || defined(DEBUG_READ)
print_caching_level(1, flag, SrvOpen->pAlreadyPrefixedName);
#endif
if (!flag)
return;
RxChangeBufferingState((PSRV_OPEN)SrvOpen, ULongToPtr(flag), 1);
ExAcquireFastMutex(&fcblistLock);
pEntry = openlist.head.Flink;
while (!IsListEmpty(&openlist.head)) {
cur = (nfs41_fcb_list_entry *)CONTAINING_RECORD(pEntry,
nfs41_fcb_list_entry, next);
if (cur->fcb == SrvOpen->pFcb) {
#ifdef DEBUG_TIME_BASED_COHERENCY
DbgP("enable_caching: Looked&Found match for fcb=%p %wZ\n",
SrvOpen->pFcb, SrvOpen->pAlreadyPrefixedName);
#endif
cur->skip = FALSE;
found = TRUE;
break;
}
if (pEntry->Flink == &openlist.head) {
#ifdef DEBUG_TIME_BASED_COHERENCY
DbgP("enable_caching: reached EOL looking for fcb=%p %wZ\n",
SrvOpen->pFcb, SrvOpen->pAlreadyPrefixedName);
#endif
break;
}
pEntry = pEntry->Flink;
}
if (!found && nfs41_fobx->deleg_type) {
nfs41_fcb_list_entry *oentry;
#ifdef DEBUG_TIME_BASED_COHERENCY
DbgP("enable_caching: delegation recalled: srv_open=%p\n", SrvOpen);
#endif
oentry = RxAllocatePoolWithTag(NonPagedPool,
sizeof(nfs41_fcb_list_entry), NFS41_MM_POOLTAG_OPEN);
if (oentry == NULL) return;
oentry->fcb = SrvOpen->pFcb;
oentry->session = session;
oentry->nfs41_fobx = nfs41_fobx;
oentry->ChangeTime = ChangeTime;
oentry->skip = FALSE;
InsertTailList(&openlist.head, &oentry->next);
nfs41_fobx->deleg_type = 0;
}
ExReleaseFastMutex(&fcblistLock);
}
NTSTATUS map_readwrite_errors(
DWORD status)
{
switch (status) {
case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
case ERROR_HANDLE_EOF: return STATUS_END_OF_FILE;
case ERROR_FILE_INVALID: return STATUS_FILE_INVALID;
case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER;
case ERROR_LOCK_VIOLATION: return STATUS_FILE_LOCK_CONFLICT;
case ERROR_NETWORK_ACCESS_DENIED: return STATUS_NETWORK_ACCESS_DENIED;
case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_NET_WRITE_FAULT\n", status);
case ERROR_NET_WRITE_FAULT: return STATUS_NET_WRITE_FAULT;
}
}
NTSTATUS check_nfs41_read_args(
IN PRX_CONTEXT RxContext)
{
if (!RxContext->LowIoContext.ParamsFor.ReadWrite.Buffer)
return STATUS_INVALID_USER_BUFFER;
return STATUS_SUCCESS;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_Read(
#else
NTSTATUS nfs41_Read(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES;
nfs41_updowncall_entry *entry;
BOOLEAN async = FALSE;
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
DWORD io_delay;
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_READ
DbgEn();
print_readwrite_args(RxContext);
#endif
status = check_nfs41_read_args(RxContext);
if (status) goto out;
status = nfs41_UpcallCreate(NFS41_READ, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.ReadWrite.MdlAddress = LowIoContext->ParamsFor.ReadWrite.Buffer;
entry->buf_len = LowIoContext->ParamsFor.ReadWrite.ByteCount;
entry->u.ReadWrite.offset = LowIoContext->ParamsFor.ReadWrite.ByteOffset;
if (FlagOn(RxContext->CurrentIrpSp->FileObject->Flags,
FO_SYNCHRONOUS_IO) == FALSE) {
entry->u.ReadWrite.rxcontext = RxContext;
async = entry->async_op = TRUE;
}
/* assume network speed is 100MB/s and disk speed is 100MB/s so add
* time to transfer requested bytes over the network and read from disk
*/
io_delay = pVNetRootContext->timeout + 2 * entry->buf_len / 104857600;
status = nfs41_UpcallWaitForReply(entry, io_delay);
if (status) goto out;
if (async) {
#ifdef DEBUG_READ
DbgP("This is asynchronous read, returning control back to the user\n");
#endif
status = STATUS_PENDING;
goto out;
}
if (entry->status == NO_ERROR) {
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&read.sops);
InterlockedAdd64(&read.size, entry->u.ReadWrite.len);
#endif
status = RxContext->CurrentIrp->IoStatus.Status = STATUS_SUCCESS;
RxContext->IoStatusBlock.Information = entry->buf_len;
if ((!BooleanFlagOn(LowIoContext->ParamsFor.ReadWrite.Flags,
LOWIO_READWRITEFLAG_PAGING_IO) &&
(SrvOpen->DesiredAccess & FILE_READ_DATA) &&
!pVNetRootContext->nocache && !nfs41_fobx->nocache &&
!(SrvOpen->BufferingFlags &
(FCB_STATE_READBUFFERING_ENABLED |
FCB_STATE_READCACHING_ENABLED)))) {
enable_caching(SrvOpen, nfs41_fobx, nfs41_fcb->changeattr,
pVNetRootContext->session);
}
} else {
status = map_readwrite_errors(entry->status);
RxContext->CurrentIrp->IoStatus.Status = status;
RxContext->IoStatusBlock.Information = 0;
}
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&read.tops);
InterlockedAdd64(&read.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_Read delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart,
read.tops, read.ticks);
#endif
#endif
#ifdef DEBUG_READ
DbgEx();
#endif
return status;
}
NTSTATUS check_nfs41_write_args(
IN PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot);
if (!RxContext->LowIoContext.ParamsFor.ReadWrite.Buffer) {
status = STATUS_INVALID_USER_BUFFER;
goto out;
}
if (pVNetRootContext->read_only) {
print_error("check_nfs41_write_args: Read-only mount\n");
status = STATUS_ACCESS_DENIED;
goto out;
}
out:
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_Write(
#else
NTSTATUS nfs41_Write(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES;
nfs41_updowncall_entry *entry;
BOOLEAN async = FALSE;
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
__notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
DWORD io_delay;
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_WRITE
DbgEn();
print_readwrite_args(RxContext);
#endif
status = check_nfs41_write_args(RxContext);
if (status) goto out;
status = nfs41_UpcallCreate(NFS41_WRITE, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.ReadWrite.MdlAddress = LowIoContext->ParamsFor.ReadWrite.Buffer;
entry->buf_len = LowIoContext->ParamsFor.ReadWrite.ByteCount;
entry->u.ReadWrite.offset = LowIoContext->ParamsFor.ReadWrite.ByteOffset;
if (FlagOn(RxContext->CurrentIrpSp->FileObject->Flags,
FO_SYNCHRONOUS_IO) == FALSE) {
entry->u.ReadWrite.rxcontext = RxContext;
async = entry->async_op = TRUE;
}
/* assume network speed is 100MB/s and disk speed is 100MB/s so add
* time to transfer requested bytes over the network and write to disk
*/
io_delay = pVNetRootContext->timeout + 2 * entry->buf_len / 104857600;
status = nfs41_UpcallWaitForReply(entry, io_delay);
if (status) goto out;
if (async) {
#ifdef DEBUG_WRITE
DbgP("This is asynchronous write, returning control back to the user\n");
#endif
status = STATUS_PENDING;
goto out;
}
if (entry->status == NO_ERROR) {
//update cached file attributes
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&write.sops);
InterlockedAdd64(&write.size, entry->u.ReadWrite.len);
#endif
nfs41_fcb->StandardInfo.EndOfFile.QuadPart = entry->buf_len +
entry->u.ReadWrite.offset;
status = RxContext->CurrentIrp->IoStatus.Status = STATUS_SUCCESS;
RxContext->IoStatusBlock.Information = entry->buf_len;
nfs41_fcb->changeattr = entry->ChangeTime;
//re-enable write buffering
if (!BooleanFlagOn(LowIoContext->ParamsFor.ReadWrite.Flags,
LOWIO_READWRITEFLAG_PAGING_IO) &&
(SrvOpen->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA)) &&
!pVNetRootContext->write_thru &&
!pVNetRootContext->nocache &&
!nfs41_fobx->write_thru && !nfs41_fobx->nocache &&
!(SrvOpen->BufferingFlags &
(FCB_STATE_WRITEBUFFERING_ENABLED |
FCB_STATE_WRITECACHING_ENABLED))) {
enable_caching(SrvOpen, nfs41_fobx, nfs41_fcb->changeattr,
pVNetRootContext->session);
} else if (!nfs41_fobx->deleg_type)
nfs41_update_fcb_list(RxContext->pFcb, entry->ChangeTime);
} else {
status = map_readwrite_errors(entry->status);
RxContext->CurrentIrp->IoStatus.Status = status;
RxContext->IoStatusBlock.Information = 0;
}
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&write.tops);
InterlockedAdd64(&write.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_Write delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart,
write.tops, write.ticks);
#endif
#endif
#ifdef DEBUG_WRITE
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_IsLockRealizable(
#else
NTSTATUS nfs41_IsLockRealizable(
#endif
IN OUT PMRX_FCB pFcb,
IN PLARGE_INTEGER ByteOffset,
IN PLARGE_INTEGER Length,
IN ULONG LowIoLockFlags)
{
NTSTATUS status = STATUS_SUCCESS;
#ifdef DEBUG_LOCK
DbgEn();
DbgP("offset 0x%llx, length 0x%llx, exclusive=%u, blocking=%u\n",
ByteOffset->QuadPart,Length->QuadPart,
BooleanFlagOn(LowIoLockFlags, SL_EXCLUSIVE_LOCK),
!BooleanFlagOn(LowIoLockFlags, SL_FAIL_IMMEDIATELY));
#endif
/* NFS lock operations with length=0 MUST fail with NFS4ERR_INVAL */
if (Length->QuadPart == 0)
status = STATUS_NOT_SUPPORTED;
#ifdef DEBUG_LOCK
DbgEx();
#endif
return status;
}
NTSTATUS map_lock_errors(
DWORD status)
{
switch (status) {
case NO_ERROR: return STATUS_SUCCESS;
case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED;
case ERROR_LOCK_FAILED: return STATUS_LOCK_NOT_GRANTED;
case ERROR_NOT_LOCKED: return STATUS_RANGE_NOT_LOCKED;
case ERROR_ATOMIC_LOCKS_NOT_SUPPORTED: return STATUS_UNSUCCESSFUL;
case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES;
case ERROR_SHARING_VIOLATION: return STATUS_SHARING_VIOLATION;
case ERROR_FILE_INVALID: return STATUS_FILE_INVALID;
/* if we return ERROR_INVALID_PARAMETER, Windows translates that to
* success!! */
case ERROR_INVALID_PARAMETER: return STATUS_LOCK_NOT_GRANTED;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", status);
case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE;
}
}
void print_lock_args(
PRX_CONTEXT RxContext)
{
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
const ULONG flags = LowIoContext->ParamsFor.Locks.Flags;
print_debug_header(RxContext);
DbgP("offset 0x%llx, length 0x%llx, exclusive=%u, blocking=%u\n",
LowIoContext->ParamsFor.Locks.ByteOffset,
LowIoContext->ParamsFor.Locks.Length,
BooleanFlagOn(flags, SL_EXCLUSIVE_LOCK),
!BooleanFlagOn(flags, SL_FAIL_IMMEDIATELY));
}
/* use exponential backoff between polls for blocking locks */
#define MSEC_TO_RELATIVE_WAIT (-10000)
#define MIN_LOCK_POLL_WAIT (500 * MSEC_TO_RELATIVE_WAIT) /* 500ms */
#define MAX_LOCK_POLL_WAIT (30000 * MSEC_TO_RELATIVE_WAIT) /* 30s */
void denied_lock_backoff(
IN OUT PLARGE_INTEGER delay)
{
if (delay->QuadPart == 0)
delay->QuadPart = MIN_LOCK_POLL_WAIT;
else
delay->QuadPart <<= 1;
if (delay->QuadPart < MAX_LOCK_POLL_WAIT)
delay->QuadPart = MAX_LOCK_POLL_WAIT;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_Lock(
#else
NTSTATUS nfs41_Lock(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
nfs41_updowncall_entry *entry;
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
const ULONG flags = LowIoContext->ParamsFor.Locks.Flags;
#ifdef _MSC_VER
LARGE_INTEGER poll_delay = {0};
#else
LARGE_INTEGER poll_delay;
#endif
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifndef _MSC_VER
poll_delay.QuadPart = 0;
#endif
#ifdef DEBUG_LOCK
DbgEn();
print_lock_args(RxContext);
#endif
/* RxReleaseFcbResourceForThreadInMRx(RxContext, RxContext->pFcb,
LowIoContext->ResourceThreadId); */
status = nfs41_UpcallCreate(NFS41_LOCK, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.Lock.offset = LowIoContext->ParamsFor.Locks.ByteOffset;
entry->u.Lock.length = LowIoContext->ParamsFor.Locks.Length;
entry->u.Lock.exclusive = BooleanFlagOn(flags, SL_EXCLUSIVE_LOCK);
entry->u.Lock.blocking = !BooleanFlagOn(flags, SL_FAIL_IMMEDIATELY);
retry_upcall:
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
/* blocking locks keep trying until it succeeds */
if (entry->status == ERROR_LOCK_FAILED && entry->u.Lock.blocking) {
denied_lock_backoff(&poll_delay);
DbgP("returned ERROR_LOCK_FAILED; retrying in %llums\n",
poll_delay.QuadPart / MSEC_TO_RELATIVE_WAIT);
KeDelayExecutionThread(KernelMode, FALSE, &poll_delay);
entry->state = NFS41_WAITING_FOR_UPCALL;
goto retry_upcall;
}
status = map_lock_errors(entry->status);
RxContext->CurrentIrp->IoStatus.Status = status;
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&lock.tops);
InterlockedAdd64(&lock.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_Lock delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart,
lock.tops, lock.ticks);
#endif
#endif
#ifdef DEBUG_LOCK
DbgEx();
#endif
return status;
}
void print_unlock_args(
PRX_CONTEXT RxContext)
{
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
print_debug_header(RxContext);
if (LowIoContext->Operation == LOWIO_OP_UNLOCK_MULTIPLE) {
PLOWIO_LOCK_LIST lock = LowIoContext->ParamsFor.Locks.LockList;
DbgP("LOWIO_OP_UNLOCK_MULTIPLE:");
while (lock) {
DbgP(" (offset=%llu, length=%llu)", lock->ByteOffset, lock->Length);
lock = lock->Next;
}
DbgP("\n");
} else {
DbgP("LOWIO_OP_UNLOCK: offset=%llu, length=%llu\n",
LowIoContext->ParamsFor.Locks.ByteOffset,
LowIoContext->ParamsFor.Locks.Length);
}
}
__inline ULONG unlock_list_count(
PLOWIO_LOCK_LIST lock)
{
ULONG count = 0;
while (lock) {
count++;
lock = lock->Next;
}
return count;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_Unlock(
#else
NTSTATUS nfs41_Unlock(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
nfs41_updowncall_entry *entry;
PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext;
__notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
#ifdef ENABLE_TIMINGS
LARGE_INTEGER t1, t2;
t1 = KeQueryPerformanceCounter(NULL);
#endif
#ifdef DEBUG_LOCK
DbgEn();
print_lock_args(RxContext);
#endif
/* RxReleaseFcbResourceForThreadInMRx(RxContext, RxContext->pFcb,
LowIoContext->ResourceThreadId); */
status = nfs41_UpcallCreate(NFS41_UNLOCK, &nfs41_fobx->sec_ctx,
pVNetRootContext->session, nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
if (LowIoContext->Operation == LOWIO_OP_UNLOCK_MULTIPLE) {
entry->u.Unlock.count = unlock_list_count(
LowIoContext->ParamsFor.Locks.LockList);
RtlCopyMemory(&entry->u.Unlock.locks,
LowIoContext->ParamsFor.Locks.LockList,
sizeof(LOWIO_LOCK_LIST));
} else {
entry->u.Unlock.count = 1;
entry->u.Unlock.locks.ByteOffset =
LowIoContext->ParamsFor.Locks.ByteOffset;
entry->u.Unlock.locks.Length =
LowIoContext->ParamsFor.Locks.Length;
}
status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout);
if (status) goto out;
status = map_lock_errors(entry->status);
RxContext->CurrentIrp->IoStatus.Status = status;
RxFreePool(entry);
out:
#ifdef ENABLE_TIMINGS
t2 = KeQueryPerformanceCounter(NULL);
InterlockedIncrement(&unlock.tops);
InterlockedAdd64(&unlock.ticks, t2.QuadPart - t1.QuadPart);
#ifdef ENABLE_INDV_TIMINGS
DbgP("nfs41_Unlock delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart,
unlock.tops, unlock.ticks);
#endif
#endif
#ifdef DEBUG_LOCK
DbgEx();
#endif
return status;
}
NTSTATUS map_symlink_errors(
NTSTATUS status)
{
switch (status) {
case NO_ERROR: return STATUS_SUCCESS;
case ERROR_INVALID_REPARSE_DATA: return STATUS_IO_REPARSE_DATA_INVALID;
case ERROR_NOT_A_REPARSE_POINT: return STATUS_NOT_A_REPARSE_POINT;
case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED;
case ERROR_NOT_EMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES;
case ERROR_INSUFFICIENT_BUFFER: return STATUS_BUFFER_TOO_SMALL;
case STATUS_BUFFER_TOO_SMALL:
case ERROR_BUFFER_OVERFLOW: return STATUS_BUFFER_OVERFLOW;
default:
print_error("failed to map windows error %d to NTSTATUS; "
"defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", status);
case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE;
}
}
void print_reparse_buffer(
PREPARSE_DATA_BUFFER Reparse)
{
UNICODE_STRING name;
DbgP("ReparseTag: %08X\n", Reparse->ReparseTag);
DbgP("ReparseDataLength: %8u\n", Reparse->ReparseDataLength);
DbgP("Reserved: %8u\n", Reparse->Reserved);
DbgP("SubstituteNameOffset: %8u\n",
Reparse->SymbolicLinkReparseBuffer.SubstituteNameOffset);
DbgP("SubstituteNameLength: %8u\n",
Reparse->SymbolicLinkReparseBuffer.SubstituteNameLength);
DbgP("PrintNameOffset: %8u\n",
Reparse->SymbolicLinkReparseBuffer.PrintNameOffset);
DbgP("PrintNameLength: %8u\n",
Reparse->SymbolicLinkReparseBuffer.PrintNameLength);
DbgP("Flags: %08X\n",
Reparse->SymbolicLinkReparseBuffer.Flags);
name.Buffer = &Reparse->SymbolicLinkReparseBuffer.PathBuffer[
Reparse->SymbolicLinkReparseBuffer.SubstituteNameOffset/sizeof(WCHAR)];
name.MaximumLength = name.Length =
Reparse->SymbolicLinkReparseBuffer.SubstituteNameLength;
DbgP("SubstituteName: %wZ\n", &name);
name.Buffer = &Reparse->SymbolicLinkReparseBuffer.PathBuffer[
Reparse->SymbolicLinkReparseBuffer.PrintNameOffset/sizeof(WCHAR)];
name.MaximumLength = name.Length =
Reparse->SymbolicLinkReparseBuffer.PrintNameLength;
DbgP("PrintName: %wZ\n", &name);
}
NTSTATUS check_nfs41_setreparse_args(
IN PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
__notnull XXCTL_LOWIO_COMPONENT *FsCtl = &RxContext->LowIoContext.ParamsFor.FsCtl;
__notnull PREPARSE_DATA_BUFFER Reparse = (PREPARSE_DATA_BUFFER)FsCtl->pInputBuffer;
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION VNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
const ULONG HeaderLen = REPARSE_DATA_BUFFER_HEADER_SIZE;
/* access checks */
if (VNetRootContext->read_only) {
status = STATUS_MEDIA_WRITE_PROTECTED;
goto out;
}
if (!(SrvOpen->DesiredAccess & (FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES))) {
status = STATUS_ACCESS_DENIED;
goto out;
}
/* must have a filename longer than vnetroot name,
* or it's trying to operate on the volume itself */
if (is_root_directory(RxContext)) {
status = STATUS_INVALID_PARAMETER;
goto out;
}
if (FsCtl->pOutputBuffer != NULL) {
status = STATUS_INVALID_PARAMETER;
goto out;
}
/* validate input buffer and length */
if (!Reparse) {
status = STATUS_INVALID_BUFFER_SIZE;
goto out;
}
if (FsCtl->InputBufferLength < HeaderLen ||
FsCtl->InputBufferLength > MAXIMUM_REPARSE_DATA_BUFFER_SIZE) {
status = STATUS_IO_REPARSE_DATA_INVALID;
goto out;
}
if (FsCtl->InputBufferLength != HeaderLen + Reparse->ReparseDataLength) {
status = STATUS_IO_REPARSE_DATA_INVALID;
goto out;
}
/* validate reparse tag */
if (!IsReparseTagValid(Reparse->ReparseTag)) {
status = STATUS_IO_REPARSE_TAG_INVALID;
goto out;
}
if (Reparse->ReparseTag != IO_REPARSE_TAG_SYMLINK) {
status = STATUS_IO_REPARSE_TAG_MISMATCH;
goto out;
}
out:
return status;
}
NTSTATUS nfs41_SetReparsePoint(
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status;
UNICODE_STRING TargetName;
__notnull XXCTL_LOWIO_COMPONENT *FsCtl = &RxContext->LowIoContext.ParamsFor.FsCtl;
__notnull PREPARSE_DATA_BUFFER Reparse = (PREPARSE_DATA_BUFFER)FsCtl->pInputBuffer;
__notnull PNFS41_FOBX Fobx = NFS41GetFobxExtension(RxContext->pFobx);
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION VNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
nfs41_updowncall_entry *entry;
#ifdef DEBUG_SYMLINK
DbgEn();
print_debug_header(RxContext);
print_reparse_buffer(Reparse);
#endif
status = check_nfs41_setreparse_args(RxContext);
if (status) goto out;
TargetName.MaximumLength = TargetName.Length =
Reparse->SymbolicLinkReparseBuffer.PrintNameLength;
TargetName.Buffer = &Reparse->SymbolicLinkReparseBuffer.PathBuffer[
Reparse->SymbolicLinkReparseBuffer.PrintNameOffset/sizeof(WCHAR)];
status = nfs41_UpcallCreate(NFS41_SYMLINK, &Fobx->sec_ctx,
VNetRootContext->session, Fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.Symlink.target = &TargetName;
entry->u.Symlink.set = TRUE;
status = nfs41_UpcallWaitForReply(entry, VNetRootContext->timeout);
if (status) goto out;
status = map_symlink_errors(entry->status);
RxFreePool(entry);
out:
#ifdef DEBUG_SYMLINK
DbgEx();
#endif
return status;
}
NTSTATUS check_nfs41_getreparse_args(
PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_SUCCESS;
XXCTL_LOWIO_COMPONENT *FsCtl = &RxContext->LowIoContext.ParamsFor.FsCtl;
const USHORT HeaderLen = FIELD_OFFSET(REPARSE_DATA_BUFFER,
SymbolicLinkReparseBuffer.PathBuffer);
/* must have a filename longer than vnetroot name,
* or it's trying to operate on the volume itself */
if (is_root_directory(RxContext)) {
status = STATUS_INVALID_PARAMETER;
goto out;
}
/* ifs reparse tests expect STATUS_INVALID_PARAMETER,
* but 'dir' passes a buffer here when querying symlinks
if (FsCtl->pInputBuffer != NULL) {
status = STATUS_INVALID_PARAMETER;
goto out;
} */
if (!FsCtl->pOutputBuffer) {
status = STATUS_INVALID_USER_BUFFER;
goto out;
}
if (!BooleanFlagOn(RxContext->pFcb->Attributes,
FILE_ATTRIBUTE_REPARSE_POINT)) {
status = STATUS_NOT_A_REPARSE_POINT;
DbgP("FILE_ATTRIBUTE_REPARSE_POINT is not set!\n");
goto out;
}
if (FsCtl->OutputBufferLength < HeaderLen) {
RxContext->InformationToReturn = HeaderLen;
status = STATUS_BUFFER_TOO_SMALL;
goto out;
}
out:
return status;
}
NTSTATUS nfs41_GetReparsePoint(
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status;
UNICODE_STRING TargetName;
XXCTL_LOWIO_COMPONENT *FsCtl = &RxContext->LowIoContext.ParamsFor.FsCtl;
__notnull PNFS41_FOBX Fobx = NFS41GetFobxExtension(RxContext->pFobx);
__notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
__notnull PNFS41_V_NET_ROOT_EXTENSION VNetRootContext =
NFS41GetVNetRootExtension(SrvOpen->pVNetRoot);
__notnull PNFS41_NETROOT_EXTENSION pNetRootContext =
NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot);
nfs41_updowncall_entry *entry;
const USHORT HeaderLen = FIELD_OFFSET(REPARSE_DATA_BUFFER,
SymbolicLinkReparseBuffer.PathBuffer);
#ifdef DEBUG_SYMLINK
DbgEn();
#endif
status = check_nfs41_getreparse_args(RxContext);
if (status) goto out;
TargetName.Buffer = (PWCH)((PBYTE)FsCtl->pOutputBuffer + HeaderLen);
TargetName.MaximumLength = (USHORT)min(FsCtl->OutputBufferLength -
HeaderLen, 0xFFFF);
status = nfs41_UpcallCreate(NFS41_SYMLINK, &Fobx->sec_ctx,
VNetRootContext->session, Fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);
if (status) goto out;
entry->u.Symlink.target = &TargetName;
entry->u.Symlink.set = FALSE;
status = nfs41_UpcallWaitForReply(entry, VNetRootContext->timeout);
if (status) goto out;
status = map_symlink_errors(entry->status);
if (status == STATUS_SUCCESS) {
/* fill in the output buffer */
PREPARSE_DATA_BUFFER Reparse = (PREPARSE_DATA_BUFFER)
FsCtl->pOutputBuffer;
Reparse->ReparseTag = IO_REPARSE_TAG_SYMLINK;
Reparse->ReparseDataLength = HeaderLen + TargetName.Length -
REPARSE_DATA_BUFFER_HEADER_SIZE;
Reparse->Reserved = 0;
Reparse->SymbolicLinkReparseBuffer.Flags = SYMLINK_FLAG_RELATIVE;
/* PrintName and SubstituteName point to the same string */
Reparse->SymbolicLinkReparseBuffer.SubstituteNameOffset = 0;
Reparse->SymbolicLinkReparseBuffer.SubstituteNameLength =
TargetName.Length;
Reparse->SymbolicLinkReparseBuffer.PrintNameOffset = 0;
Reparse->SymbolicLinkReparseBuffer.PrintNameLength = TargetName.Length;
print_reparse_buffer(Reparse);
RxContext->IoStatusBlock.Information = HeaderLen + TargetName.Length;
} else if (status == STATUS_BUFFER_TOO_SMALL) {
RxContext->InformationToReturn = HeaderLen + TargetName.Length;
}
RxFreePool(entry);
out:
#ifdef DEBUG_SYMLINK
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_FsCtl(
#else
NTSTATUS nfs41_FsCtl(
#endif
IN OUT PRX_CONTEXT RxContext)
{
NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST;
#ifdef DEBUG_MISC
DbgEn();
print_debug_header(RxContext);
#endif
switch (RxContext->LowIoContext.ParamsFor.FsCtl.FsControlCode) {
case FSCTL_SET_REPARSE_POINT:
status = nfs41_SetReparsePoint(RxContext);
break;
case FSCTL_GET_REPARSE_POINT:
status = nfs41_GetReparsePoint(RxContext);
break;
#ifdef DEBUG_MISC
default:
DbgP("FsControlCode: %d\n",
RxContext->LowIoContext.ParamsFor.FsCtl.FsControlCode);
#endif
}
#ifdef DEBUG_MISC
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_CompleteBufferingStateChangeRequest(
#else
NTSTATUS nfs41_CompleteBufferingStateChangeRequest(
#endif
IN OUT PRX_CONTEXT RxContext,
IN OUT PMRX_SRV_OPEN SrvOpen,
IN PVOID pContext)
{
return STATUS_SUCCESS;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_FsdDispatch (
#else
NTSTATUS nfs41_FsdDispatch (
#endif
IN PDEVICE_OBJECT dev,
IN PIRP Irp)
{
#ifdef DEBUG_FSDDISPATCH
PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation( Irp );
#endif
NTSTATUS status;
#ifdef DEBUG_FSDDISPATCH
DbgEn();
DbgP("CURRENT IRP = %d.%d\n", IrpSp->MajorFunction, IrpSp->MinorFunction);
if(IrpSp->FileObject)
DbgP("FileOject %p Filename %wZ\n", IrpSp->FileObject,
&IrpSp->FileObject->FileName);
#endif
if (dev != (PDEVICE_OBJECT)nfs41_dev) {
print_error("*** not ours ***\n");
Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT );
status = STATUS_INVALID_DEVICE_REQUEST;
goto out;
}
status = RxFsdDispatch((PRDBSS_DEVICE_OBJECT)dev,Irp);
/* AGLO: 08/05/2009 - looks like RxFsdDispatch frees IrpSp */
out:
#ifdef DEBUG_FSDDISPATCH
DbgP("IoStatus status = 0x%x info = 0x%x\n", Irp->IoStatus.Status,
Irp->IoStatus.Information);
DbgEx();
#endif
return status;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_Unimplemented(
#else
NTSTATUS nfs41_Unimplemented(
#endif
PRX_CONTEXT RxContext)
{
return STATUS_NOT_IMPLEMENTED;
}
#ifdef __REACTOS__
NTSTATUS NTAPI nfs41_AreFilesAliased(
#else
NTSTATUS nfs41_AreFilesAliased(
#endif
PFCB a,
PFCB b)
{
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS nfs41_init_ops()
{
DbgEn();
ZeroAndInitializeNodeType(&nfs41_ops, RDBSS_NTC_MINIRDR_DISPATCH,
sizeof(MINIRDR_DISPATCH));
nfs41_ops.MRxFlags = (RDBSS_MANAGE_NET_ROOT_EXTENSION |
RDBSS_MANAGE_V_NET_ROOT_EXTENSION |
RDBSS_MANAGE_FCB_EXTENSION |
RDBSS_MANAGE_FOBX_EXTENSION);
nfs41_ops.MRxSrvCallSize = 0; // srvcall extension is not handled in rdbss
nfs41_ops.MRxNetRootSize = sizeof(NFS41_NETROOT_EXTENSION);
nfs41_ops.MRxVNetRootSize = sizeof(NFS41_V_NET_ROOT_EXTENSION);
nfs41_ops.MRxFcbSize = sizeof(NFS41_FCB);
nfs41_ops.MRxFobxSize = sizeof(NFS41_FOBX);
// Mini redirector cancel routine ..
nfs41_ops.MRxCancel = NULL;
//
// Mini redirector Start/Stop. Each mini-rdr can be started or stopped
// while the others continue to operate.
//
nfs41_ops.MRxStart = nfs41_Start;
nfs41_ops.MRxStop = nfs41_Stop;
nfs41_ops.MRxDevFcbXXXControlFile = nfs41_DevFcbXXXControlFile;
//
// Mini redirector name resolution.
//
nfs41_ops.MRxCreateSrvCall = nfs41_CreateSrvCall;
nfs41_ops.MRxSrvCallWinnerNotify = nfs41_SrvCallWinnerNotify;
nfs41_ops.MRxCreateVNetRoot = nfs41_CreateVNetRoot;
nfs41_ops.MRxExtractNetRootName = nfs41_ExtractNetRootName;
nfs41_ops.MRxFinalizeSrvCall = nfs41_FinalizeSrvCall;
nfs41_ops.MRxFinalizeNetRoot = nfs41_FinalizeNetRoot;
nfs41_ops.MRxFinalizeVNetRoot = nfs41_FinalizeVNetRoot;
//
// File System Object Creation/Deletion.
//
nfs41_ops.MRxCreate = nfs41_Create;
nfs41_ops.MRxCollapseOpen = nfs41_CollapseOpen;
nfs41_ops.MRxShouldTryToCollapseThisOpen = nfs41_ShouldTryToCollapseThisOpen;
nfs41_ops.MRxExtendForCache = nfs41_ExtendForCache;
nfs41_ops.MRxExtendForNonCache = nfs41_ExtendForCache;
nfs41_ops.MRxCloseSrvOpen = nfs41_CloseSrvOpen;
nfs41_ops.MRxFlush = nfs41_Flush;
nfs41_ops.MRxDeallocateForFcb = nfs41_DeallocateForFcb;
nfs41_ops.MRxDeallocateForFobx = nfs41_DeallocateForFobx;
nfs41_ops.MRxIsLockRealizable = nfs41_IsLockRealizable;
//
// File System Objects query/Set
//
nfs41_ops.MRxQueryDirectory = nfs41_QueryDirectory;
nfs41_ops.MRxQueryVolumeInfo = nfs41_QueryVolumeInformation;
nfs41_ops.MRxQueryEaInfo = nfs41_QueryEaInformation;
nfs41_ops.MRxSetEaInfo = nfs41_SetEaInformation;
nfs41_ops.MRxQuerySdInfo = nfs41_QuerySecurityInformation;
nfs41_ops.MRxSetSdInfo = nfs41_SetSecurityInformation;
nfs41_ops.MRxQueryFileInfo = nfs41_QueryFileInformation;
nfs41_ops.MRxSetFileInfo = nfs41_SetFileInformation;
//
// Buffering state change
//
nfs41_ops.MRxComputeNewBufferingState = nfs41_ComputeNewBufferingState;
//
// File System Object I/O
//
nfs41_ops.MRxLowIOSubmit[LOWIO_OP_READ] = nfs41_Read;
nfs41_ops.MRxLowIOSubmit[LOWIO_OP_WRITE] = nfs41_Write;
nfs41_ops.MRxLowIOSubmit[LOWIO_OP_SHAREDLOCK] = nfs41_Lock;
nfs41_ops.MRxLowIOSubmit[LOWIO_OP_EXCLUSIVELOCK] = nfs41_Lock;
nfs41_ops.MRxLowIOSubmit[LOWIO_OP_UNLOCK] = nfs41_Unlock;
nfs41_ops.MRxLowIOSubmit[LOWIO_OP_UNLOCK_MULTIPLE] = nfs41_Unlock;
nfs41_ops.MRxLowIOSubmit[LOWIO_OP_FSCTL] = nfs41_FsCtl;
//
// Miscellanous
//
nfs41_ops.MRxCompleteBufferingStateChangeRequest =
nfs41_CompleteBufferingStateChangeRequest;
nfs41_ops.MRxIsValidDirectory = nfs41_IsValidDirectory;
nfs41_ops.MRxTruncate = nfs41_Unimplemented;
nfs41_ops.MRxZeroExtend = nfs41_Unimplemented;
nfs41_ops.MRxAreFilesAliased = nfs41_AreFilesAliased;
nfs41_ops.MRxQueryQuotaInfo = nfs41_Unimplemented;
nfs41_ops.MRxSetQuotaInfo = nfs41_Unimplemented;
nfs41_ops.MRxSetVolumeInfo = nfs41_Unimplemented;
DbgR();
return(STATUS_SUCCESS);
}
KSTART_ROUTINE fcbopen_main;
#ifdef __REACTOS__
VOID NTAPI fcbopen_main(PVOID ctx)
#else
VOID fcbopen_main(PVOID ctx)
#endif
{
NTSTATUS status;
LARGE_INTEGER timeout;
DbgEn();
timeout.QuadPart = RELATIVE(SECONDS(30));
while(1) {
PLIST_ENTRY pEntry;
nfs41_fcb_list_entry *cur;
status = KeDelayExecutionThread(KernelMode, TRUE, &timeout);
ExAcquireFastMutex(&fcblistLock);
pEntry = openlist.head.Flink;
while (!IsListEmpty(&openlist.head)) {
PNFS41_NETROOT_EXTENSION pNetRootContext;
nfs41_updowncall_entry *entry;
FILE_BASIC_INFORMATION binfo;
PNFS41_FCB nfs41_fcb;
cur = (nfs41_fcb_list_entry *)CONTAINING_RECORD(pEntry,
nfs41_fcb_list_entry, next);
#ifdef DEBUG_TIME_BASED_COHERENCY
DbgP("fcbopen_main: Checking attributes for fcb=%p "
"change_time=%llu skipping=%d\n", cur->fcb,
cur->ChangeTime, cur->skip);
#endif
if (cur->skip) goto out;
pNetRootContext =
NFS41GetNetRootExtension(cur->fcb->pNetRoot);
/* place an upcall for this srv_open */
status = nfs41_UpcallCreate(NFS41_FILE_QUERY,
&cur->nfs41_fobx->sec_ctx, cur->session,
cur->nfs41_fobx->nfs41_open_state,
pNetRootContext->nfs41d_version, NULL, &entry);
if (status) goto out;
entry->u.QueryFile.InfoClass = FileBasicInformation;
entry->buf = &binfo;
entry->buf_len = sizeof(binfo);
status = nfs41_UpcallWaitForReply(entry, UPCALL_TIMEOUT_DEFAULT);
if (status) goto out;
if (cur->ChangeTime != entry->ChangeTime) {
ULONG flag = DISABLE_CACHING;
PMRX_SRV_OPEN srv_open;
PLIST_ENTRY psrvEntry;
#ifdef DEBUG_TIME_BASED_COHERENCY
DbgP("fcbopen_main: old ctime=%llu new_ctime=%llu\n",
cur->ChangeTime, entry->ChangeTime);
#endif
cur->ChangeTime = entry->ChangeTime;
cur->skip = TRUE;
psrvEntry = &cur->fcb->SrvOpenList;
psrvEntry = psrvEntry->Flink;
while (!IsListEmpty(&cur->fcb->SrvOpenList)) {
srv_open = (PMRX_SRV_OPEN)CONTAINING_RECORD(psrvEntry,
MRX_SRV_OPEN, SrvOpenQLinks);
if (srv_open->DesiredAccess &
(FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA)) {
#ifdef DEBUG_TIME_BASED_COHERENCY
DbgP("fcbopen_main: ************ Invalidate the cache %wZ"
"************\n", srv_open->pAlreadyPrefixedName);
#endif
RxIndicateChangeOfBufferingStateForSrvOpen(
cur->fcb->pNetRoot->pSrvCall, srv_open,
srv_open->Key, ULongToPtr(flag));
}
if (psrvEntry->Flink == &cur->fcb->SrvOpenList) {
#ifdef DEBUG_TIME_BASED_COHERENCY
DbgP("fcbopen_main: reached end of srvopen for fcb %p\n",
cur->fcb);
#endif
break;
}
psrvEntry = psrvEntry->Flink;
};
}
nfs41_fcb = (PNFS41_FCB)cur->fcb->Context;
nfs41_fcb->changeattr = entry->ChangeTime;
RxFreePool(entry);
out:
if (pEntry->Flink == &openlist.head) {
#ifdef DEBUG_TIME_BASED_COHERENCY
DbgP("fcbopen_main: reached end of the fcb list\n");
#endif
break;
}
pEntry = pEntry->Flink;
}
ExReleaseFastMutex(&fcblistLock);
}
DbgEx();
}
#ifdef __REACTOS__
NTSTATUS NTAPI DriverEntry(
#else
NTSTATUS DriverEntry(
#endif
IN PDRIVER_OBJECT drv,
IN PUNICODE_STRING path)
{
NTSTATUS status;
ULONG flags = 0, i;
UNICODE_STRING dev_name, user_dev_name;
PNFS41_DEVICE_EXTENSION dev_exts;
TIME_FIELDS jan_1_1970 = {1970, 1, 1, 0, 0, 0, 0, 0};
ACCESS_MASK mask = 0;
OBJECT_ATTRIBUTES oattrs;
DbgEn();
status = RxDriverEntry(drv, path);
if (status != STATUS_SUCCESS) {
print_error("RxDriverEntry failed: %08lx\n", status);
goto out;
}
RtlInitUnicodeString(&dev_name, NFS41_DEVICE_NAME);
SetFlag(flags, RX_REGISTERMINI_FLAG_DONT_PROVIDE_MAILSLOTS);
status = nfs41_init_ops();
if (status != STATUS_SUCCESS) {
print_error("nfs41_init_ops failed to initialize dispatch table\n");
goto out;
}
DbgP("calling RxRegisterMinirdr\n");
status = RxRegisterMinirdr(&nfs41_dev, drv, &nfs41_ops, flags, &dev_name,
sizeof(NFS41_DEVICE_EXTENSION),
FILE_DEVICE_NETWORK_FILE_SYSTEM, FILE_REMOTE_DEVICE);
if (status != STATUS_SUCCESS) {
print_error("RxRegisterMinirdr failed: %08lx\n", status);
goto out;
}
#ifndef __REACTOS__
nfs41_dev->Flags |= DO_BUFFERED_IO;
#endif
dev_exts = (PNFS41_DEVICE_EXTENSION)
((PBYTE)(nfs41_dev) + sizeof(RDBSS_DEVICE_OBJECT));
RxDefineNode(dev_exts, NFS41_DEVICE_EXTENSION);
dev_exts->DeviceObject = nfs41_dev;
nfs41_create_volume_info((PFILE_FS_VOLUME_INFORMATION)dev_exts->VolAttrs,
&dev_exts->VolAttrsLen);
RtlInitUnicodeString(&user_dev_name, NFS41_SHADOW_DEVICE_NAME);
DbgP("calling IoCreateSymbolicLink %wZ %wZ\n", &user_dev_name, &dev_name);
status = IoCreateSymbolicLink(&user_dev_name, &dev_name);
if (status != STATUS_SUCCESS) {
print_error("Device name IoCreateSymbolicLink failed: %08lx\n", status);
goto out_unregister;
}
KeInitializeEvent(&upcallEvent, SynchronizationEvent, FALSE );
ExInitializeFastMutex(&upcallLock);
ExInitializeFastMutex(&downcallLock);
ExInitializeFastMutex(&xidLock);
ExInitializeFastMutex(&openOwnerLock);
ExInitializeFastMutex(&fcblistLock);
InitializeListHead(&upcall.head);
InitializeListHead(&downcall.head);
InitializeListHead(&openlist.head);
InitializeObjectAttributes(&oattrs, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
status = PsCreateSystemThread(&dev_exts->openlistHandle, mask,
&oattrs, NULL, NULL, &fcbopen_main, NULL);
if (status != STATUS_SUCCESS)
goto out_unregister;
drv->DriverUnload = nfs41_driver_unload;
for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
drv->MajorFunction[i] = (PDRIVER_DISPATCH)nfs41_FsdDispatch;
RtlTimeFieldsToTime(&jan_1_1970, &unix_time_diff);
out_unregister:
if (status != STATUS_SUCCESS)
RxUnregisterMinirdr(nfs41_dev);
out:
DbgEx();
return status;
}
#ifdef __REACTOS__
VOID NTAPI nfs41_driver_unload(IN PDRIVER_OBJECT drv)
#else
VOID nfs41_driver_unload(IN PDRIVER_OBJECT drv)
#endif
{
PRX_CONTEXT RxContext;
NTSTATUS status;
UNICODE_STRING dev_name, pipe_name;
DbgEn();
RxContext = RxCreateRxContext(NULL, nfs41_dev, RX_CONTEXT_FLAG_IN_FSP);
if (RxContext == NULL) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto unload;
}
status = RxStopMinirdr(RxContext, &RxContext->PostRequest);
RxDereferenceAndDeleteRxContext(RxContext);
unload:
RtlInitUnicodeString(&dev_name, NFS41_SHADOW_DEVICE_NAME);
status = IoDeleteSymbolicLink(&dev_name);
if (status != STATUS_SUCCESS) {
print_error("couldn't delete device symbolic link\n");
}
RtlInitUnicodeString(&pipe_name, NFS41_SHADOW_PIPE_NAME);
status = IoDeleteSymbolicLink(&pipe_name);
if (status != STATUS_SUCCESS) {
print_error("couldn't delete pipe symbolic link\n");
}
RxUnload(drv);
DbgP("driver unloaded %p\n", drv);
DbgR();
}
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