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https://github.com/reactos/reactos.git
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1247 lines
28 KiB
C
1247 lines
28 KiB
C
/* -*- c-basic-offset: 8 -*-
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rdesktop: A Remote Desktop Protocol client.
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Disk Redirection
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Copyright (C) Jeroen Meijer 2003
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "disk.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h> /* open, close */
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#include <dirent.h> /* opendir, closedir, readdir */
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#include <fnmatch.h>
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#include <errno.h> /* errno */
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#include <stdio.h>
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#include <utime.h>
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#include <time.h> /* ctime */
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#if (defined(HAVE_DIRFD) || (HAVE_DECL_DIRFD == 1))
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#define DIRFD(a) (dirfd(a))
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#else
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#define DIRFD(a) ((a)->DIR_FD_MEMBER_NAME)
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#endif
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/* TODO: Fix mntent-handling for solaris
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* #include <sys/mntent.h> */
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#if (defined(HAVE_MNTENT_H) && defined(HAVE_SETMNTENT))
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#include <mntent.h>
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#define MNTENT_PATH "/etc/mtab"
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#define USE_SETMNTENT
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#endif
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#ifdef HAVE_SYS_VFS_H
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#include <sys/vfs.h>
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#endif
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#ifdef HAVE_SYS_STATVFS_H
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#include <sys/statvfs.h>
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#endif
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#ifdef HAVE_SYS_STATFS_H
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#include <sys/statfs.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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#include "rdesktop.h"
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#ifdef STAT_STATFS3_OSF1
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#define STATFS_FN(path, buf) (statfs(path,buf,sizeof(buf)))
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#define STATFS_T statfs
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#define USE_STATFS
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#endif
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#ifdef STAT_STATVFS
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#define STATFS_FN(path, buf) (statvfs(path,buf))
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#define STATFS_T statvfs
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#define USE_STATVFS
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#endif
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#ifdef STAT_STATVFS64
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#define STATFS_FN(path, buf) (statvfs64(path,buf))
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#define STATFS_T statvfs64
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#define USE_STATVFS
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#endif
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#if (defined(STAT_STATFS2_FS_DATA) || defined(STAT_STATFS2_BSIZE) || defined(STAT_STATFS2_FSIZE))
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#define STATFS_FN(path, buf) (statfs(path,buf))
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#define STATFS_T statfs
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#define USE_STATFS
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#endif
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#ifdef STAT_STATFS4
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#define STATFS_FN(path, buf) (statfs(path,buf,sizeof(buf),0))
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#define STATFS_T statfs
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#define USE_STATFS
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#endif
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#if ((defined(USE_STATFS) && defined(HAVE_STRUCT_STATFS_F_NAMEMAX)) || (defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_NAMEMAX)))
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#define F_NAMELEN(buf) ((buf).f_namemax)
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#endif
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#if ((defined(USE_STATFS) && defined(HAVE_STRUCT_STATFS_F_NAMELEN)) || (defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_NAMELEN)))
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#define F_NAMELEN(buf) ((buf).f_namelen)
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#endif
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#ifndef F_NAMELEN
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#define F_NAMELEN(buf) (255)
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#endif
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/* Dummy statfs fallback */
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#ifndef STATFS_T
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struct dummy_statfs_t
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{
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long f_bfree;
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long f_bsize;
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long f_blocks;
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int f_namelen;
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int f_namemax;
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};
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static int
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dummy_statfs(struct dummy_statfs_t *buf)
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{
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buf->f_blocks = 262144;
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buf->f_bfree = 131072;
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buf->f_bsize = 512;
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buf->f_namelen = 255;
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buf->f_namemax = 255;
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return 0;
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}
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#define STATFS_T dummy_statfs_t
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#define STATFS_FN(path,buf) (dummy_statfs(buf))
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#endif
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typedef struct
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{
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char name[PATH_MAX];
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char label[PATH_MAX];
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unsigned long serial;
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char type[PATH_MAX];
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} FsInfoType;
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static NTSTATUS NotifyInfo(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, NOTIFY * p);
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static time_t
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get_create_time(struct stat *st)
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{
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time_t ret, ret1;
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ret = MIN(st->st_ctime, st->st_mtime);
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ret1 = MIN(ret, st->st_atime);
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if (ret1 != (time_t) 0)
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return ret1;
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return ret;
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}
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/* Convert seconds since 1970 to a filetime */
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static void
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seconds_since_1970_to_filetime(time_t seconds, uint32 * high, uint32 * low)
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{
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unsigned long long ticks;
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ticks = (seconds + 11644473600LL) * 10000000;
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*low = (uint32) ticks;
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*high = (uint32) (ticks >> 32);
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}
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/* Convert seconds since 1970 back to filetime */
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static time_t
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convert_1970_to_filetime(uint32 high, uint32 low)
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{
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unsigned long long ticks;
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time_t val;
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ticks = low + (((unsigned long long) high) << 32);
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ticks /= 10000000;
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ticks -= 11644473600LL;
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val = (time_t) ticks;
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return (val);
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}
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/* A wrapper for ftruncate which supports growing files, even if the
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native ftruncate doesn't. This is needed on Linux FAT filesystems,
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for example. */
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static int
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ftruncate_growable(int fd, off_t length)
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{
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int ret;
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off_t pos;
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static const char zero = 0;
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/* Try the simple method first */
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if ((ret = ftruncate(fd, length)) != -1)
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{
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return ret;
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}
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/*
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* Some kind of error. Perhaps we were trying to grow. Retry
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* in a safe way.
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*/
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/* Get current position */
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if ((pos = lseek(fd, 0, SEEK_CUR)) == -1)
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{
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perror("lseek");
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return -1;
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}
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/* Seek to new size */
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if (lseek(fd, length, SEEK_SET) == -1)
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{
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perror("lseek");
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return -1;
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}
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/* Write a zero */
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if (write(fd, &zero, 1) == -1)
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{
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perror("write");
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return -1;
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}
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/* Truncate. This shouldn't fail. */
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if (ftruncate(fd, length) == -1)
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{
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perror("ftruncate");
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return -1;
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}
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/* Restore position */
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if (lseek(fd, pos, SEEK_SET) == -1)
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{
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perror("lseek");
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return -1;
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}
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return 0;
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}
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/* Just like open(2), but if a open with O_EXCL fails, retry with
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GUARDED semantics. This might be necessary because some filesystems
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(such as NFS filesystems mounted from a unfsd server) doesn't
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support O_EXCL. GUARDED semantics are subject to race conditions,
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but we can live with that.
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*/
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static int
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open_weak_exclusive(const char *pathname, int flags, mode_t mode)
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{
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int ret;
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struct stat statbuf;
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ret = open(pathname, flags, mode);
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if (ret != -1 || !(flags & O_EXCL))
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{
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/* Success, or not using O_EXCL */
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return ret;
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}
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/* An error occured, and we are using O_EXCL. In case the FS
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doesn't support O_EXCL, some kind of error will be
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returned. Unfortunately, we don't know which one. Linux
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2.6.8 seems to return 524, but I cannot find a documented
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#define for this case. So, we'll return only on errors that
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we know aren't related to O_EXCL. */
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switch (errno)
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{
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case EACCES:
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case EEXIST:
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case EINTR:
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case EISDIR:
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case ELOOP:
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case ENAMETOOLONG:
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case ENOENT:
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case ENOTDIR:
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return ret;
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}
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/* Retry with GUARDED semantics */
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if (stat(pathname, &statbuf) != -1)
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{
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/* File exists */
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errno = EEXIST;
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return -1;
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}
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else
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{
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return open(pathname, flags & ~O_EXCL, mode);
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}
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}
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/* Enumeration of devices from rdesktop.c */
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/* returns numer of units found and initialized. */
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/* optarg looks like ':h=/mnt/floppy,b=/mnt/usbdevice1' */
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/* when it arrives to this function. */
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int
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disk_enum_devices(RDPCLIENT * This, uint32 * id, char *optarg)
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{
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char *pos = optarg;
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char *pos2;
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int count = 0;
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/* skip the first colon */
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optarg++;
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while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)
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{
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pos2 = next_arg(optarg, '=');
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strncpy(This->rdpdr_device[*id].name, optarg, sizeof(This->rdpdr_device[*id].name) - 1);
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if (strlen(optarg) > (sizeof(This->rdpdr_device[*id].name) - 1))
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fprintf(stderr, "share name %s truncated to %s\n", optarg,
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This->rdpdr_device[*id].name);
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This->rdpdr_device[*id].local_path = (char *) xmalloc(strlen(pos2) + 1);
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strcpy(This->rdpdr_device[*id].local_path, pos2);
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This->rdpdr_device[*id].device_type = DEVICE_TYPE_DISK;
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count++;
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(*id)++;
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optarg = pos;
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}
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return count;
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}
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/* Opens or creates a file or directory */
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static NTSTATUS
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disk_create(RDPCLIENT * This, uint32 device_id, uint32 accessmask, uint32 sharemode, uint32 create_disposition,
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uint32 flags_and_attributes, char *filename, NTHANDLE * phandle)
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{
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NTHANDLE handle;
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DIR *dirp;
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int flags, mode;
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char path[PATH_MAX];
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struct stat filestat;
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handle = 0;
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dirp = NULL;
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flags = 0;
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mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
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if (*filename && filename[strlen(filename) - 1] == '/')
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filename[strlen(filename) - 1] = 0;
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sprintf(path, "%s%s", This->rdpdr_device[device_id].local_path, filename);
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switch (create_disposition)
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{
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case CREATE_ALWAYS:
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/* Delete existing file/link. */
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unlink(path);
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flags |= O_CREAT;
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break;
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case CREATE_NEW:
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/* If the file already exists, then fail. */
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flags |= O_CREAT | O_EXCL;
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break;
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case OPEN_ALWAYS:
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/* Create if not already exists. */
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flags |= O_CREAT;
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break;
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case OPEN_EXISTING:
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/* Default behaviour */
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break;
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case TRUNCATE_EXISTING:
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/* If the file does not exist, then fail. */
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flags |= O_TRUNC;
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break;
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}
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/*printf("Open: \"%s\" flags: %X, accessmask: %X sharemode: %X create disp: %X\n", path, flags_and_attributes, accessmask, sharemode, create_disposition); */
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/* Get information about file and set that flag ourselfs */
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if ((stat(path, &filestat) == 0) && (S_ISDIR(filestat.st_mode)))
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{
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if (flags_and_attributes & FILE_NON_DIRECTORY_FILE)
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return STATUS_FILE_IS_A_DIRECTORY;
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else
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flags_and_attributes |= FILE_DIRECTORY_FILE;
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}
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if (flags_and_attributes & FILE_DIRECTORY_FILE)
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{
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if (flags & O_CREAT)
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{
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mkdir(path, mode);
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}
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dirp = opendir(path);
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if (!dirp)
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{
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switch (errno)
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{
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case EACCES:
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return STATUS_ACCESS_DENIED;
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case ENOENT:
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return STATUS_NO_SUCH_FILE;
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default:
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perror("opendir");
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return STATUS_NO_SUCH_FILE;
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}
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}
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handle = DIRFD(dirp);
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}
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else
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{
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if (accessmask & GENERIC_ALL
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|| (accessmask & GENERIC_READ && accessmask & GENERIC_WRITE))
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{
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flags |= O_RDWR;
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}
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else if ((accessmask & GENERIC_WRITE) && !(accessmask & GENERIC_READ))
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{
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flags |= O_WRONLY;
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}
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else
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{
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flags |= O_RDONLY;
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}
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handle = open_weak_exclusive(path, flags, mode);
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if (handle == -1)
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{
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switch (errno)
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{
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case EISDIR:
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return STATUS_FILE_IS_A_DIRECTORY;
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case EACCES:
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return STATUS_ACCESS_DENIED;
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case ENOENT:
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return STATUS_NO_SUCH_FILE;
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case EEXIST:
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return STATUS_OBJECT_NAME_COLLISION;
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default:
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perror("open");
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return STATUS_NO_SUCH_FILE;
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}
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}
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/* all read and writes of files should be non blocking */
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if (fcntl(handle, F_SETFL, O_NONBLOCK) == -1)
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perror("fcntl");
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}
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if (handle >= MAX_OPEN_FILES)
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{
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error("Maximum number of open files (%s) reached. Increase MAX_OPEN_FILES!\n",
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handle);
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exit(1);
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}
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if (dirp)
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This->fileinfo[handle].pdir = dirp;
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else
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This->fileinfo[handle].pdir = NULL;
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This->fileinfo[handle].device_id = device_id;
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This->fileinfo[handle].flags_and_attributes = flags_and_attributes;
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This->fileinfo[handle].accessmask = accessmask;
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strncpy(This->fileinfo[handle].path, path, PATH_MAX - 1);
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This->fileinfo[handle].delete_on_close = False;
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This->notify_stamp = True;
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*phandle = handle;
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return STATUS_SUCCESS;
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}
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static NTSTATUS
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disk_close(RDPCLIENT * This, NTHANDLE handle)
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{
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struct fileinfo *pfinfo;
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pfinfo = &(This->fileinfo[handle]);
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This->notify_stamp = True;
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rdpdr_abort_io(This, handle, 0, STATUS_CANCELLED);
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if (pfinfo->pdir)
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{
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if (closedir(pfinfo->pdir) < 0)
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{
|
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perror("closedir");
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return STATUS_INVALID_HANDLE;
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}
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|
|
if (pfinfo->delete_on_close)
|
|
if (rmdir(pfinfo->path) < 0)
|
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{
|
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perror(pfinfo->path);
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return STATUS_ACCESS_DENIED;
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}
|
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pfinfo->delete_on_close = False;
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}
|
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else
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{
|
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if (close(handle) < 0)
|
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{
|
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perror("close");
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return STATUS_INVALID_HANDLE;
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}
|
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if (pfinfo->delete_on_close)
|
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if (unlink(pfinfo->path) < 0)
|
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{
|
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perror(pfinfo->path);
|
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return STATUS_ACCESS_DENIED;
|
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}
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|
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pfinfo->delete_on_close = False;
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}
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return STATUS_SUCCESS;
|
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}
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|
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static NTSTATUS
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disk_read(RDPCLIENT * This, NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
|
|
{
|
|
int n;
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|
|
#if 0
|
|
/* browsing dir ???? */
|
|
/* each request is 24 bytes */
|
|
if (This->fileinfo[handle].flags_and_attributes & FILE_DIRECTORY_FILE)
|
|
{
|
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*result = 0;
|
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return STATUS_SUCCESS;
|
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}
|
|
#endif
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|
|
lseek(handle, offset, SEEK_SET);
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|
|
n = read(handle, data, length);
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|
|
if (n < 0)
|
|
{
|
|
*result = 0;
|
|
switch (errno)
|
|
{
|
|
case EISDIR:
|
|
/* Implement 24 Byte directory read ??
|
|
with STATUS_NOT_IMPLEMENTED server doesn't read again */
|
|
/* return STATUS_FILE_IS_A_DIRECTORY; */
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
default:
|
|
perror("read");
|
|
return STATUS_INVALID_PARAMETER;
|
|
}
|
|
}
|
|
|
|
*result = n;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS
|
|
disk_write(RDPCLIENT * This, NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
|
|
{
|
|
int n;
|
|
|
|
lseek(handle, offset, SEEK_SET);
|
|
|
|
n = write(handle, data, length);
|
|
|
|
if (n < 0)
|
|
{
|
|
perror("write");
|
|
*result = 0;
|
|
switch (errno)
|
|
{
|
|
case ENOSPC:
|
|
return STATUS_DISK_FULL;
|
|
default:
|
|
return STATUS_ACCESS_DENIED;
|
|
}
|
|
}
|
|
|
|
*result = n;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS
|
|
disk_query_information(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, STREAM out)
|
|
{
|
|
uint32 file_attributes, ft_high, ft_low;
|
|
struct stat filestat;
|
|
char *path, *filename;
|
|
|
|
path = This->fileinfo[handle].path;
|
|
|
|
/* Get information about file */
|
|
if (fstat(handle, &filestat) != 0)
|
|
{
|
|
perror("stat");
|
|
out_uint8(out, 0);
|
|
return STATUS_ACCESS_DENIED;
|
|
}
|
|
|
|
/* Set file attributes */
|
|
file_attributes = 0;
|
|
if (S_ISDIR(filestat.st_mode))
|
|
file_attributes |= FILE_ATTRIBUTE_DIRECTORY;
|
|
|
|
filename = 1 + strrchr(path, '/');
|
|
if (filename && filename[0] == '.')
|
|
file_attributes |= FILE_ATTRIBUTE_HIDDEN;
|
|
|
|
if (!file_attributes)
|
|
file_attributes |= FILE_ATTRIBUTE_NORMAL;
|
|
|
|
if (!(filestat.st_mode & S_IWUSR))
|
|
file_attributes |= FILE_ATTRIBUTE_READONLY;
|
|
|
|
/* Return requested data */
|
|
switch (info_class)
|
|
{
|
|
case FileBasicInformation:
|
|
seconds_since_1970_to_filetime(get_create_time(&filestat), &ft_high,
|
|
&ft_low);
|
|
out_uint32_le(out, ft_low); /* create_access_time */
|
|
out_uint32_le(out, ft_high);
|
|
|
|
seconds_since_1970_to_filetime(filestat.st_atime, &ft_high, &ft_low);
|
|
out_uint32_le(out, ft_low); /* last_access_time */
|
|
out_uint32_le(out, ft_high);
|
|
|
|
seconds_since_1970_to_filetime(filestat.st_mtime, &ft_high, &ft_low);
|
|
out_uint32_le(out, ft_low); /* last_write_time */
|
|
out_uint32_le(out, ft_high);
|
|
|
|
seconds_since_1970_to_filetime(filestat.st_ctime, &ft_high, &ft_low);
|
|
out_uint32_le(out, ft_low); /* last_change_time */
|
|
out_uint32_le(out, ft_high);
|
|
|
|
out_uint32_le(out, file_attributes);
|
|
break;
|
|
|
|
case FileStandardInformation:
|
|
|
|
out_uint32_le(out, filestat.st_size); /* Allocation size */
|
|
out_uint32_le(out, 0);
|
|
out_uint32_le(out, filestat.st_size); /* End of file */
|
|
out_uint32_le(out, 0);
|
|
out_uint32_le(out, filestat.st_nlink); /* Number of links */
|
|
out_uint8(out, 0); /* Delete pending */
|
|
out_uint8(out, S_ISDIR(filestat.st_mode) ? 1 : 0); /* Directory */
|
|
break;
|
|
|
|
case FileObjectIdInformation:
|
|
|
|
out_uint32_le(out, file_attributes); /* File Attributes */
|
|
out_uint32_le(out, 0); /* Reparse Tag */
|
|
break;
|
|
|
|
default:
|
|
|
|
unimpl("IRP Query (File) Information class: 0x%x\n", info_class);
|
|
return STATUS_INVALID_PARAMETER;
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS
|
|
disk_set_information(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, STREAM in, STREAM out)
|
|
{
|
|
uint32 length, file_attributes, ft_high, ft_low, delete_on_close;
|
|
char newname[PATH_MAX], fullpath[PATH_MAX];
|
|
struct fileinfo *pfinfo;
|
|
int mode;
|
|
struct stat filestat;
|
|
time_t write_time, change_time, access_time, mod_time;
|
|
struct utimbuf tvs;
|
|
struct STATFS_T stat_fs;
|
|
|
|
pfinfo = &(This->fileinfo[handle]);
|
|
This->notify_stamp = True;
|
|
|
|
switch (info_class)
|
|
{
|
|
case FileBasicInformation:
|
|
write_time = change_time = access_time = 0;
|
|
|
|
in_uint8s(in, 4); /* Handle of root dir? */
|
|
in_uint8s(in, 24); /* unknown */
|
|
|
|
/* CreationTime */
|
|
in_uint32_le(in, ft_low);
|
|
in_uint32_le(in, ft_high);
|
|
|
|
/* AccessTime */
|
|
in_uint32_le(in, ft_low);
|
|
in_uint32_le(in, ft_high);
|
|
if (ft_low || ft_high)
|
|
access_time = convert_1970_to_filetime(ft_high, ft_low);
|
|
|
|
/* WriteTime */
|
|
in_uint32_le(in, ft_low);
|
|
in_uint32_le(in, ft_high);
|
|
if (ft_low || ft_high)
|
|
write_time = convert_1970_to_filetime(ft_high, ft_low);
|
|
|
|
/* ChangeTime */
|
|
in_uint32_le(in, ft_low);
|
|
in_uint32_le(in, ft_high);
|
|
if (ft_low || ft_high)
|
|
change_time = convert_1970_to_filetime(ft_high, ft_low);
|
|
|
|
in_uint32_le(in, file_attributes);
|
|
|
|
if (fstat(handle, &filestat))
|
|
return STATUS_ACCESS_DENIED;
|
|
|
|
tvs.modtime = filestat.st_mtime;
|
|
tvs.actime = filestat.st_atime;
|
|
if (access_time)
|
|
tvs.actime = access_time;
|
|
|
|
|
|
if (write_time || change_time)
|
|
mod_time = MIN(write_time, change_time);
|
|
else
|
|
mod_time = write_time ? write_time : change_time;
|
|
|
|
if (mod_time)
|
|
tvs.modtime = mod_time;
|
|
|
|
|
|
if (access_time || write_time || change_time)
|
|
{
|
|
#if WITH_DEBUG_RDP5
|
|
printf("FileBasicInformation access time %s",
|
|
ctime(&tvs.actime));
|
|
printf("FileBasicInformation modification time %s",
|
|
ctime(&tvs.modtime));
|
|
#endif
|
|
if (utime(pfinfo->path, &tvs) && errno != EPERM)
|
|
return STATUS_ACCESS_DENIED;
|
|
}
|
|
|
|
if (!file_attributes)
|
|
break; /* not valid */
|
|
|
|
mode = filestat.st_mode;
|
|
|
|
if (file_attributes & FILE_ATTRIBUTE_READONLY)
|
|
mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
|
|
else
|
|
mode |= S_IWUSR;
|
|
|
|
mode &= 0777;
|
|
#if WITH_DEBUG_RDP5
|
|
printf("FileBasicInformation set access mode 0%o", mode);
|
|
#endif
|
|
|
|
if (fchmod(handle, mode))
|
|
return STATUS_ACCESS_DENIED;
|
|
|
|
break;
|
|
|
|
case FileRenameInformation:
|
|
|
|
in_uint8s(in, 4); /* Handle of root dir? */
|
|
in_uint8s(in, 0x1a); /* unknown */
|
|
in_uint32_le(in, length);
|
|
|
|
if (length && (length / 2) < 256)
|
|
{
|
|
rdp_in_unistr(This, in, newname, length);
|
|
convert_to_unix_filename(newname);
|
|
}
|
|
else
|
|
{
|
|
return STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
sprintf(fullpath, "%s%s", This->rdpdr_device[pfinfo->device_id].local_path,
|
|
newname);
|
|
|
|
if (rename(pfinfo->path, fullpath) != 0)
|
|
{
|
|
perror("rename");
|
|
return STATUS_ACCESS_DENIED;
|
|
}
|
|
break;
|
|
|
|
case FileDispositionInformation:
|
|
/* As far as I understand it, the correct
|
|
thing to do here is to *schedule* a delete,
|
|
so it will be deleted when the file is
|
|
closed. Subsequent
|
|
FileDispositionInformation requests with
|
|
DeleteFile set to FALSE should unschedule
|
|
the delete. See
|
|
http://www.osronline.com/article.cfm?article=245. */
|
|
|
|
in_uint32_le(in, delete_on_close);
|
|
|
|
if (delete_on_close ||
|
|
(pfinfo->
|
|
accessmask & (FILE_DELETE_ON_CLOSE | FILE_COMPLETE_IF_OPLOCKED)))
|
|
{
|
|
pfinfo->delete_on_close = True;
|
|
}
|
|
|
|
break;
|
|
|
|
case FileAllocationInformation:
|
|
/* Fall through to FileEndOfFileInformation,
|
|
which uses ftrunc. This is like Samba with
|
|
"strict allocation = false", and means that
|
|
we won't detect out-of-quota errors, for
|
|
example. */
|
|
|
|
case FileEndOfFileInformation:
|
|
in_uint8s(in, 28); /* unknown */
|
|
in_uint32_le(in, length); /* file size */
|
|
|
|
/* prevents start of writing if not enough space left on device */
|
|
if (STATFS_FN(This->rdpdr_device[pfinfo->device_id].local_path, &stat_fs) == 0)
|
|
if (stat_fs.f_bfree * stat_fs.f_bsize < length)
|
|
return STATUS_DISK_FULL;
|
|
|
|
if (ftruncate_growable(handle, length) != 0)
|
|
{
|
|
return STATUS_DISK_FULL;
|
|
}
|
|
|
|
break;
|
|
default:
|
|
|
|
unimpl("IRP Set File Information class: 0x%x\n", info_class);
|
|
return STATUS_INVALID_PARAMETER;
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS
|
|
disk_check_notify(RDPCLIENT * This, NTHANDLE handle)
|
|
{
|
|
struct fileinfo *pfinfo;
|
|
NTSTATUS status = STATUS_PENDING;
|
|
|
|
NOTIFY notify;
|
|
|
|
pfinfo = &(This->fileinfo[handle]);
|
|
if (!pfinfo->pdir)
|
|
return STATUS_INVALID_DEVICE_REQUEST;
|
|
|
|
|
|
|
|
status = NotifyInfo(This, handle, pfinfo->info_class, ¬ify);
|
|
|
|
if (status != STATUS_PENDING)
|
|
return status;
|
|
|
|
if (memcmp(&pfinfo->notify, ¬ify, sizeof(NOTIFY)))
|
|
{
|
|
/*printf("disk_check_notify found changed event\n"); */
|
|
memcpy(&pfinfo->notify, ¬ify, sizeof(NOTIFY));
|
|
status = STATUS_NOTIFY_ENUM_DIR;
|
|
}
|
|
|
|
return status;
|
|
|
|
|
|
}
|
|
|
|
NTSTATUS
|
|
disk_create_notify(RDPCLIENT * This, NTHANDLE handle, uint32 info_class)
|
|
{
|
|
|
|
struct fileinfo *pfinfo;
|
|
NTSTATUS ret = STATUS_PENDING;
|
|
|
|
/* printf("start disk_create_notify info_class %X\n", info_class); */
|
|
|
|
pfinfo = &(This->fileinfo[handle]);
|
|
pfinfo->info_class = info_class;
|
|
|
|
ret = NotifyInfo(This, handle, info_class, &pfinfo->notify);
|
|
|
|
if (info_class & 0x1000)
|
|
{ /* ???? */
|
|
if (ret == STATUS_PENDING)
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
/* printf("disk_create_notify: num_entries %d\n", pfinfo->notify.num_entries); */
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
static NTSTATUS
|
|
NotifyInfo(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, NOTIFY * p)
|
|
{
|
|
struct fileinfo *pfinfo;
|
|
struct stat buf;
|
|
struct dirent *dp;
|
|
char *fullname;
|
|
DIR *dpr;
|
|
|
|
pfinfo = &(This->fileinfo[handle]);
|
|
if (fstat(handle, &buf) < 0)
|
|
{
|
|
perror("NotifyInfo");
|
|
return STATUS_ACCESS_DENIED;
|
|
}
|
|
p->modify_time = buf.st_mtime;
|
|
p->status_time = buf.st_ctime;
|
|
p->num_entries = 0;
|
|
p->total_time = 0;
|
|
|
|
|
|
dpr = opendir(pfinfo->path);
|
|
if (!dpr)
|
|
{
|
|
perror("NotifyInfo");
|
|
return STATUS_ACCESS_DENIED;
|
|
}
|
|
|
|
|
|
while ((dp = readdir(dpr)))
|
|
{
|
|
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
|
|
continue;
|
|
p->num_entries++;
|
|
fullname = (char *) xmalloc(strlen(pfinfo->path) + strlen(dp->d_name) + 2);
|
|
sprintf(fullname, "%s/%s", pfinfo->path, dp->d_name);
|
|
|
|
if (!stat(fullname, &buf))
|
|
{
|
|
p->total_time += (buf.st_mtime + buf.st_ctime);
|
|
}
|
|
|
|
xfree(fullname);
|
|
}
|
|
closedir(dpr);
|
|
|
|
return STATUS_PENDING;
|
|
}
|
|
|
|
static FsInfoType *
|
|
FsVolumeInfo(char *fpath)
|
|
{
|
|
|
|
static FsInfoType info;
|
|
#ifdef USE_SETMNTENT
|
|
FILE *fdfs;
|
|
struct mntent *e;
|
|
#endif
|
|
|
|
/* initialize */
|
|
memset(&info, 0, sizeof(info));
|
|
strcpy(info.label, "RDESKTOP");
|
|
strcpy(info.type, "RDPFS");
|
|
|
|
#ifdef USE_SETMNTENT
|
|
fdfs = setmntent(MNTENT_PATH, "r");
|
|
if (!fdfs)
|
|
return &info;
|
|
|
|
while ((e = getmntent(fdfs)))
|
|
{
|
|
if (str_startswith(e->mnt_dir, fpath))
|
|
{
|
|
strcpy(info.type, e->mnt_type);
|
|
strcpy(info.name, e->mnt_fsname);
|
|
if (strstr(e->mnt_opts, "vfat") || strstr(e->mnt_opts, "iso9660"))
|
|
{
|
|
int fd = open(e->mnt_fsname, O_RDONLY);
|
|
if (fd >= 0)
|
|
{
|
|
unsigned char buf[512];
|
|
memset(buf, 0, sizeof(buf));
|
|
if (strstr(e->mnt_opts, "vfat"))
|
|
/*FAT*/
|
|
{
|
|
strcpy(info.type, "vfat");
|
|
read(fd, buf, sizeof(buf));
|
|
info.serial =
|
|
(buf[42] << 24) + (buf[41] << 16) +
|
|
(buf[40] << 8) + buf[39];
|
|
strncpy(info.label, buf + 43, 10);
|
|
info.label[10] = '\0';
|
|
}
|
|
else if (lseek(fd, 32767, SEEK_SET) >= 0) /* ISO9660 */
|
|
{
|
|
read(fd, buf, sizeof(buf));
|
|
strncpy(info.label, buf + 41, 32);
|
|
info.label[32] = '\0';
|
|
/* info.Serial = (buf[128]<<24)+(buf[127]<<16)+(buf[126]<<8)+buf[125]; */
|
|
}
|
|
close(fd);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
endmntent(fdfs);
|
|
#else
|
|
/* initialize */
|
|
memset(&info, 0, sizeof(info));
|
|
strcpy(info.label, "RDESKTOP");
|
|
strcpy(info.type, "RDPFS");
|
|
|
|
#endif
|
|
return &info;
|
|
}
|
|
|
|
|
|
NTSTATUS
|
|
disk_query_volume_information(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, STREAM out)
|
|
{
|
|
struct STATFS_T stat_fs;
|
|
struct fileinfo *pfinfo;
|
|
FsInfoType *fsinfo;
|
|
|
|
pfinfo = &(This->fileinfo[handle]);
|
|
|
|
if (STATFS_FN(pfinfo->path, &stat_fs) != 0)
|
|
{
|
|
perror("statfs");
|
|
return STATUS_ACCESS_DENIED;
|
|
}
|
|
|
|
fsinfo = FsVolumeInfo(pfinfo->path);
|
|
|
|
switch (info_class)
|
|
{
|
|
case FileFsVolumeInformation:
|
|
|
|
out_uint32_le(out, 0); /* volume creation time low */
|
|
out_uint32_le(out, 0); /* volume creation time high */
|
|
out_uint32_le(out, fsinfo->serial); /* serial */
|
|
|
|
out_uint32_le(out, 2 * strlen(fsinfo->label)); /* length of string */
|
|
|
|
out_uint8(out, 0); /* support objects? */
|
|
rdp_out_unistr(This, out, fsinfo->label, 2 * strlen(fsinfo->label) - 2);
|
|
break;
|
|
|
|
case FileFsSizeInformation:
|
|
|
|
out_uint32_le(out, stat_fs.f_blocks); /* Total allocation units low */
|
|
out_uint32_le(out, 0); /* Total allocation high units */
|
|
out_uint32_le(out, stat_fs.f_bfree); /* Available allocation units */
|
|
out_uint32_le(out, 0); /* Available allowcation units */
|
|
out_uint32_le(out, stat_fs.f_bsize / 0x200); /* Sectors per allocation unit */
|
|
out_uint32_le(out, 0x200); /* Bytes per sector */
|
|
break;
|
|
|
|
case FileFsAttributeInformation:
|
|
|
|
out_uint32_le(out, FS_CASE_SENSITIVE | FS_CASE_IS_PRESERVED); /* fs attributes */
|
|
out_uint32_le(out, F_NAMELEN(stat_fs)); /* max length of filename */
|
|
|
|
out_uint32_le(out, 2 * strlen(fsinfo->type)); /* length of fs_type */
|
|
rdp_out_unistr(This, out, fsinfo->type, 2 * strlen(fsinfo->type) - 2);
|
|
break;
|
|
|
|
case FileFsLabelInformation:
|
|
case FileFsDeviceInformation:
|
|
case FileFsControlInformation:
|
|
case FileFsFullSizeInformation:
|
|
case FileFsObjectIdInformation:
|
|
case FileFsMaximumInformation:
|
|
|
|
default:
|
|
|
|
unimpl("IRP Query Volume Information class: 0x%x\n", info_class);
|
|
return STATUS_INVALID_PARAMETER;
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS
|
|
disk_query_directory(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, char *pattern, STREAM out)
|
|
{
|
|
uint32 file_attributes, ft_low, ft_high;
|
|
char *dirname, fullpath[PATH_MAX];
|
|
DIR *pdir;
|
|
struct dirent *pdirent;
|
|
struct stat fstat;
|
|
struct fileinfo *pfinfo;
|
|
|
|
pfinfo = &(This->fileinfo[handle]);
|
|
pdir = pfinfo->pdir;
|
|
dirname = pfinfo->path;
|
|
file_attributes = 0;
|
|
|
|
switch (info_class)
|
|
{
|
|
case FileBothDirectoryInformation:
|
|
|
|
/* If a search pattern is received, remember this pattern, and restart search */
|
|
if (pattern[0] != 0)
|
|
{
|
|
strncpy(pfinfo->pattern, 1 + strrchr(pattern, '/'), PATH_MAX - 1);
|
|
rewinddir(pdir);
|
|
}
|
|
|
|
/* find next dirent matching pattern */
|
|
pdirent = readdir(pdir);
|
|
while (pdirent && fnmatch(pfinfo->pattern, pdirent->d_name, 0) != 0)
|
|
pdirent = readdir(pdir);
|
|
|
|
if (pdirent == NULL)
|
|
return STATUS_NO_MORE_FILES;
|
|
|
|
/* Get information for directory entry */
|
|
sprintf(fullpath, "%s/%s", dirname, pdirent->d_name);
|
|
|
|
if (stat(fullpath, &fstat))
|
|
{
|
|
switch (errno)
|
|
{
|
|
case ENOENT:
|
|
case ELOOP:
|
|
case EACCES:
|
|
/* These are non-fatal errors. */
|
|
memset(&fstat, 0, sizeof(fstat));
|
|
break;
|
|
default:
|
|
/* Fatal error. By returning STATUS_NO_SUCH_FILE,
|
|
the directory list operation will be aborted */
|
|
perror(fullpath);
|
|
out_uint8(out, 0);
|
|
return STATUS_NO_SUCH_FILE;
|
|
}
|
|
}
|
|
|
|
if (S_ISDIR(fstat.st_mode))
|
|
file_attributes |= FILE_ATTRIBUTE_DIRECTORY;
|
|
if (pdirent->d_name[0] == '.')
|
|
file_attributes |= FILE_ATTRIBUTE_HIDDEN;
|
|
if (!file_attributes)
|
|
file_attributes |= FILE_ATTRIBUTE_NORMAL;
|
|
if (!(fstat.st_mode & S_IWUSR))
|
|
file_attributes |= FILE_ATTRIBUTE_READONLY;
|
|
|
|
/* Return requested information */
|
|
out_uint8s(out, 8); /* unknown zero */
|
|
|
|
seconds_since_1970_to_filetime(get_create_time(&fstat), &ft_high, &ft_low);
|
|
out_uint32_le(out, ft_low); /* create time */
|
|
out_uint32_le(out, ft_high);
|
|
|
|
seconds_since_1970_to_filetime(fstat.st_atime, &ft_high, &ft_low);
|
|
out_uint32_le(out, ft_low); /* last_access_time */
|
|
out_uint32_le(out, ft_high);
|
|
|
|
seconds_since_1970_to_filetime(fstat.st_mtime, &ft_high, &ft_low);
|
|
out_uint32_le(out, ft_low); /* last_write_time */
|
|
out_uint32_le(out, ft_high);
|
|
|
|
seconds_since_1970_to_filetime(fstat.st_ctime, &ft_high, &ft_low);
|
|
out_uint32_le(out, ft_low); /* change_write_time */
|
|
out_uint32_le(out, ft_high);
|
|
|
|
out_uint32_le(out, fstat.st_size); /* filesize low */
|
|
out_uint32_le(out, 0); /* filesize high */
|
|
out_uint32_le(out, fstat.st_size); /* filesize low */
|
|
out_uint32_le(out, 0); /* filesize high */
|
|
out_uint32_le(out, file_attributes);
|
|
out_uint8(out, 2 * strlen(pdirent->d_name) + 2); /* unicode length */
|
|
out_uint8s(out, 7); /* pad? */
|
|
out_uint8(out, 0); /* 8.3 file length */
|
|
out_uint8s(out, 2 * 12); /* 8.3 unicode length */
|
|
rdp_out_unistr(This, out, pdirent->d_name, 2 * strlen(pdirent->d_name));
|
|
break;
|
|
|
|
default:
|
|
/* FIXME: Support FileDirectoryInformation,
|
|
FileFullDirectoryInformation, and
|
|
FileNamesInformation */
|
|
|
|
unimpl("IRP Query Directory sub: 0x%x\n", info_class);
|
|
return STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
|
|
static NTSTATUS
|
|
disk_device_control(RDPCLIENT * This, NTHANDLE handle, uint32 request, STREAM in, STREAM out)
|
|
{
|
|
if (((request >> 16) != 20) || ((request >> 16) != 9))
|
|
return STATUS_INVALID_PARAMETER;
|
|
|
|
/* extract operation */
|
|
request >>= 2;
|
|
request &= 0xfff;
|
|
|
|
printf("DISK IOCTL %d\n", request);
|
|
|
|
switch (request)
|
|
{
|
|
case 25: /* ? */
|
|
case 42: /* ? */
|
|
default:
|
|
unimpl("DISK IOCTL %d\n", request);
|
|
return STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
DEVICE_FNS disk_fns = {
|
|
disk_create,
|
|
disk_close,
|
|
disk_read,
|
|
disk_write,
|
|
disk_device_control /* device_control */
|
|
};
|