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reactos/ntoskrnl/se/sid.c
Hermès Bélusca-Maïto 65ce146169 Create a branch for working on csrss and co. 
svn path=/branches/ros-csrss/; revision=57561
2012-10-14 13:04:31 +00:00

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/se/sid.c
* PURPOSE: Security manager
*
* PROGRAMMERS: David Welch <welch@cwcom.net>
*/
/* INCLUDES *******************************************************************/
#include <ntoskrnl.h>
#define NDEBUG
#include <debug.h>
#if defined (ALLOC_PRAGMA)
#pragma alloc_text(INIT, SepInitSecurityIDs)
#endif
/* GLOBALS ********************************************************************/
SID_IDENTIFIER_AUTHORITY SeNullSidAuthority = {SECURITY_NULL_SID_AUTHORITY};
SID_IDENTIFIER_AUTHORITY SeWorldSidAuthority = {SECURITY_WORLD_SID_AUTHORITY};
SID_IDENTIFIER_AUTHORITY SeLocalSidAuthority = {SECURITY_LOCAL_SID_AUTHORITY};
SID_IDENTIFIER_AUTHORITY SeCreatorSidAuthority = {SECURITY_CREATOR_SID_AUTHORITY};
SID_IDENTIFIER_AUTHORITY SeNtSidAuthority = {SECURITY_NT_AUTHORITY};
PSID SeNullSid = NULL;
PSID SeWorldSid = NULL;
PSID SeLocalSid = NULL;
PSID SeCreatorOwnerSid = NULL;
PSID SeCreatorGroupSid = NULL;
PSID SeCreatorOwnerServerSid = NULL;
PSID SeCreatorGroupServerSid = NULL;
PSID SeNtAuthoritySid = NULL;
PSID SeDialupSid = NULL;
PSID SeNetworkSid = NULL;
PSID SeBatchSid = NULL;
PSID SeInteractiveSid = NULL;
PSID SeServiceSid = NULL;
PSID SePrincipalSelfSid = NULL;
PSID SeLocalSystemSid = NULL;
PSID SeAuthenticatedUserSid = NULL;
PSID SeRestrictedCodeSid = NULL;
PSID SeAliasAdminsSid = NULL;
PSID SeAliasUsersSid = NULL;
PSID SeAliasGuestsSid = NULL;
PSID SeAliasPowerUsersSid = NULL;
PSID SeAliasAccountOpsSid = NULL;
PSID SeAliasSystemOpsSid = NULL;
PSID SeAliasPrintOpsSid = NULL;
PSID SeAliasBackupOpsSid = NULL;
PSID SeAuthenticatedUsersSid = NULL;
PSID SeRestrictedSid = NULL;
PSID SeAnonymousLogonSid = NULL;
/* FUNCTIONS ******************************************************************/
VOID
NTAPI
FreeInitializedSids(VOID)
{
if (SeNullSid) ExFreePoolWithTag(SeNullSid, TAG_SID);
if (SeWorldSid) ExFreePoolWithTag(SeWorldSid, TAG_SID);
if (SeLocalSid) ExFreePoolWithTag(SeLocalSid, TAG_SID);
if (SeCreatorOwnerSid) ExFreePoolWithTag(SeCreatorOwnerSid, TAG_SID);
if (SeCreatorGroupSid) ExFreePoolWithTag(SeCreatorGroupSid, TAG_SID);
if (SeCreatorOwnerServerSid) ExFreePoolWithTag(SeCreatorOwnerServerSid, TAG_SID);
if (SeCreatorGroupServerSid) ExFreePoolWithTag(SeCreatorGroupServerSid, TAG_SID);
if (SeNtAuthoritySid) ExFreePoolWithTag(SeNtAuthoritySid, TAG_SID);
if (SeDialupSid) ExFreePoolWithTag(SeDialupSid, TAG_SID);
if (SeNetworkSid) ExFreePoolWithTag(SeNetworkSid, TAG_SID);
if (SeBatchSid) ExFreePoolWithTag(SeBatchSid, TAG_SID);
if (SeInteractiveSid) ExFreePoolWithTag(SeInteractiveSid, TAG_SID);
if (SeServiceSid) ExFreePoolWithTag(SeServiceSid, TAG_SID);
if (SePrincipalSelfSid) ExFreePoolWithTag(SePrincipalSelfSid, TAG_SID);
if (SeLocalSystemSid) ExFreePoolWithTag(SeLocalSystemSid, TAG_SID);
if (SeAuthenticatedUserSid) ExFreePoolWithTag(SeAuthenticatedUserSid, TAG_SID);
if (SeRestrictedCodeSid) ExFreePoolWithTag(SeRestrictedCodeSid, TAG_SID);
if (SeAliasAdminsSid) ExFreePoolWithTag(SeAliasAdminsSid, TAG_SID);
if (SeAliasUsersSid) ExFreePoolWithTag(SeAliasUsersSid, TAG_SID);
if (SeAliasGuestsSid) ExFreePoolWithTag(SeAliasGuestsSid, TAG_SID);
if (SeAliasPowerUsersSid) ExFreePoolWithTag(SeAliasPowerUsersSid, TAG_SID);
if (SeAliasAccountOpsSid) ExFreePoolWithTag(SeAliasAccountOpsSid, TAG_SID);
if (SeAliasSystemOpsSid) ExFreePoolWithTag(SeAliasSystemOpsSid, TAG_SID);
if (SeAliasPrintOpsSid) ExFreePoolWithTag(SeAliasPrintOpsSid, TAG_SID);
if (SeAliasBackupOpsSid) ExFreePoolWithTag(SeAliasBackupOpsSid, TAG_SID);
if (SeAuthenticatedUsersSid) ExFreePoolWithTag(SeAuthenticatedUsersSid, TAG_SID);
if (SeRestrictedSid) ExFreePoolWithTag(SeRestrictedSid, TAG_SID);
if (SeAnonymousLogonSid) ExFreePoolWithTag(SeAnonymousLogonSid, TAG_SID);
}
BOOLEAN
INIT_FUNCTION
NTAPI
SepInitSecurityIDs(VOID)
{
ULONG SidLength0;
ULONG SidLength1;
ULONG SidLength2;
PULONG SubAuthority;
SidLength0 = RtlLengthRequiredSid(0);
SidLength1 = RtlLengthRequiredSid(1);
SidLength2 = RtlLengthRequiredSid(2);
/* create NullSid */
SeNullSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeWorldSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeLocalSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeCreatorOwnerSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeCreatorGroupSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeCreatorOwnerServerSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeCreatorGroupServerSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeNtAuthoritySid = ExAllocatePoolWithTag(PagedPool, SidLength0, TAG_SID);
SeDialupSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeNetworkSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeBatchSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeInteractiveSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeServiceSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SePrincipalSelfSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeLocalSystemSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeAuthenticatedUserSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeRestrictedCodeSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeAliasAdminsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
SeAliasUsersSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
SeAliasGuestsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
SeAliasPowerUsersSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
SeAliasAccountOpsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
SeAliasSystemOpsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
SeAliasPrintOpsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
SeAliasBackupOpsSid = ExAllocatePoolWithTag(PagedPool, SidLength2, TAG_SID);
SeAuthenticatedUsersSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeRestrictedSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
SeAnonymousLogonSid = ExAllocatePoolWithTag(PagedPool, SidLength1, TAG_SID);
if (SeNullSid == NULL || SeWorldSid == NULL ||
SeLocalSid == NULL || SeCreatorOwnerSid == NULL ||
SeCreatorGroupSid == NULL || SeCreatorOwnerServerSid == NULL ||
SeCreatorGroupServerSid == NULL || SeNtAuthoritySid == NULL ||
SeDialupSid == NULL || SeNetworkSid == NULL || SeBatchSid == NULL ||
SeInteractiveSid == NULL || SeServiceSid == NULL ||
SePrincipalSelfSid == NULL || SeLocalSystemSid == NULL ||
SeAuthenticatedUserSid == NULL || SeRestrictedCodeSid == NULL ||
SeAliasAdminsSid == NULL || SeAliasUsersSid == NULL ||
SeAliasGuestsSid == NULL || SeAliasPowerUsersSid == NULL ||
SeAliasAccountOpsSid == NULL || SeAliasSystemOpsSid == NULL ||
SeAliasPrintOpsSid == NULL || SeAliasBackupOpsSid == NULL ||
SeAuthenticatedUsersSid == NULL || SeRestrictedSid == NULL ||
SeAnonymousLogonSid == NULL)
{
FreeInitializedSids();
return FALSE;
}
RtlInitializeSid(SeNullSid, &SeNullSidAuthority, 1);
RtlInitializeSid(SeWorldSid, &SeWorldSidAuthority, 1);
RtlInitializeSid(SeLocalSid, &SeLocalSidAuthority, 1);
RtlInitializeSid(SeCreatorOwnerSid, &SeCreatorSidAuthority, 1);
RtlInitializeSid(SeCreatorGroupSid, &SeCreatorSidAuthority, 1);
RtlInitializeSid(SeCreatorOwnerServerSid, &SeCreatorSidAuthority, 1);
RtlInitializeSid(SeCreatorGroupServerSid, &SeCreatorSidAuthority, 1);
RtlInitializeSid(SeNtAuthoritySid, &SeNtSidAuthority, 0);
RtlInitializeSid(SeDialupSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeNetworkSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeBatchSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeInteractiveSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeServiceSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SePrincipalSelfSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeLocalSystemSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeAuthenticatedUserSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeRestrictedCodeSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeAliasAdminsSid, &SeNtSidAuthority, 2);
RtlInitializeSid(SeAliasUsersSid, &SeNtSidAuthority, 2);
RtlInitializeSid(SeAliasGuestsSid, &SeNtSidAuthority, 2);
RtlInitializeSid(SeAliasPowerUsersSid, &SeNtSidAuthority, 2);
RtlInitializeSid(SeAliasAccountOpsSid, &SeNtSidAuthority, 2);
RtlInitializeSid(SeAliasSystemOpsSid, &SeNtSidAuthority, 2);
RtlInitializeSid(SeAliasPrintOpsSid, &SeNtSidAuthority, 2);
RtlInitializeSid(SeAliasBackupOpsSid, &SeNtSidAuthority, 2);
RtlInitializeSid(SeAuthenticatedUsersSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeRestrictedSid, &SeNtSidAuthority, 1);
RtlInitializeSid(SeAnonymousLogonSid, &SeNtSidAuthority, 1);
SubAuthority = RtlSubAuthoritySid(SeNullSid, 0);
*SubAuthority = SECURITY_NULL_RID;
SubAuthority = RtlSubAuthoritySid(SeWorldSid, 0);
*SubAuthority = SECURITY_WORLD_RID;
SubAuthority = RtlSubAuthoritySid(SeLocalSid, 0);
*SubAuthority = SECURITY_LOCAL_RID;
SubAuthority = RtlSubAuthoritySid(SeCreatorOwnerSid, 0);
*SubAuthority = SECURITY_CREATOR_OWNER_RID;
SubAuthority = RtlSubAuthoritySid(SeCreatorGroupSid, 0);
*SubAuthority = SECURITY_CREATOR_GROUP_RID;
SubAuthority = RtlSubAuthoritySid(SeCreatorOwnerServerSid, 0);
*SubAuthority = SECURITY_CREATOR_OWNER_SERVER_RID;
SubAuthority = RtlSubAuthoritySid(SeCreatorGroupServerSid, 0);
*SubAuthority = SECURITY_CREATOR_GROUP_SERVER_RID;
SubAuthority = RtlSubAuthoritySid(SeDialupSid, 0);
*SubAuthority = SECURITY_DIALUP_RID;
SubAuthority = RtlSubAuthoritySid(SeNetworkSid, 0);
*SubAuthority = SECURITY_NETWORK_RID;
SubAuthority = RtlSubAuthoritySid(SeBatchSid, 0);
*SubAuthority = SECURITY_BATCH_RID;
SubAuthority = RtlSubAuthoritySid(SeInteractiveSid, 0);
*SubAuthority = SECURITY_INTERACTIVE_RID;
SubAuthority = RtlSubAuthoritySid(SeServiceSid, 0);
*SubAuthority = SECURITY_SERVICE_RID;
SubAuthority = RtlSubAuthoritySid(SePrincipalSelfSid, 0);
*SubAuthority = SECURITY_PRINCIPAL_SELF_RID;
SubAuthority = RtlSubAuthoritySid(SeLocalSystemSid, 0);
*SubAuthority = SECURITY_LOCAL_SYSTEM_RID;
SubAuthority = RtlSubAuthoritySid(SeAuthenticatedUserSid, 0);
*SubAuthority = SECURITY_AUTHENTICATED_USER_RID;
SubAuthority = RtlSubAuthoritySid(SeRestrictedCodeSid, 0);
*SubAuthority = SECURITY_RESTRICTED_CODE_RID;
SubAuthority = RtlSubAuthoritySid(SeAliasAdminsSid, 0);
*SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
SubAuthority = RtlSubAuthoritySid(SeAliasAdminsSid, 1);
*SubAuthority = DOMAIN_ALIAS_RID_ADMINS;
SubAuthority = RtlSubAuthoritySid(SeAliasUsersSid, 0);
*SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
SubAuthority = RtlSubAuthoritySid(SeAliasUsersSid, 1);
*SubAuthority = DOMAIN_ALIAS_RID_USERS;
SubAuthority = RtlSubAuthoritySid(SeAliasGuestsSid, 0);
*SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
SubAuthority = RtlSubAuthoritySid(SeAliasGuestsSid, 1);
*SubAuthority = DOMAIN_ALIAS_RID_GUESTS;
SubAuthority = RtlSubAuthoritySid(SeAliasPowerUsersSid, 0);
*SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
SubAuthority = RtlSubAuthoritySid(SeAliasPowerUsersSid, 1);
*SubAuthority = DOMAIN_ALIAS_RID_POWER_USERS;
SubAuthority = RtlSubAuthoritySid(SeAliasAccountOpsSid, 0);
*SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
SubAuthority = RtlSubAuthoritySid(SeAliasAccountOpsSid, 1);
*SubAuthority = DOMAIN_ALIAS_RID_ACCOUNT_OPS;
SubAuthority = RtlSubAuthoritySid(SeAliasSystemOpsSid, 0);
*SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
SubAuthority = RtlSubAuthoritySid(SeAliasSystemOpsSid, 1);
*SubAuthority = DOMAIN_ALIAS_RID_SYSTEM_OPS;
SubAuthority = RtlSubAuthoritySid(SeAliasPrintOpsSid, 0);
*SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
SubAuthority = RtlSubAuthoritySid(SeAliasPrintOpsSid, 1);
*SubAuthority = DOMAIN_ALIAS_RID_PRINT_OPS;
SubAuthority = RtlSubAuthoritySid(SeAliasBackupOpsSid, 0);
*SubAuthority = SECURITY_BUILTIN_DOMAIN_RID;
SubAuthority = RtlSubAuthoritySid(SeAliasBackupOpsSid, 1);
*SubAuthority = DOMAIN_ALIAS_RID_BACKUP_OPS;
SubAuthority = RtlSubAuthoritySid(SeAuthenticatedUsersSid, 0);
*SubAuthority = SECURITY_AUTHENTICATED_USER_RID;
SubAuthority = RtlSubAuthoritySid(SeRestrictedSid, 0);
*SubAuthority = SECURITY_RESTRICTED_CODE_RID;
SubAuthority = RtlSubAuthoritySid(SeAnonymousLogonSid, 0);
*SubAuthority = SECURITY_ANONYMOUS_LOGON_RID;
return TRUE;
}
NTSTATUS
NTAPI
SepCaptureSid(IN PSID InputSid,
IN KPROCESSOR_MODE AccessMode,
IN POOL_TYPE PoolType,
IN BOOLEAN CaptureIfKernel,
OUT PSID *CapturedSid)
{
ULONG SidSize = 0;
PISID NewSid, Sid = (PISID)InputSid;
PAGED_CODE();
if (AccessMode != KernelMode)
{
_SEH2_TRY
{
ProbeForRead(Sid, FIELD_OFFSET(SID, SubAuthority), sizeof(UCHAR));
SidSize = RtlLengthRequiredSid(Sid->SubAuthorityCount);
ProbeForRead(Sid, SidSize, sizeof(UCHAR));
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Return the exception code */
_SEH2_YIELD(return _SEH2_GetExceptionCode());
}
_SEH2_END;
/* allocate a SID and copy it */
NewSid = ExAllocatePoolWithTag(PoolType, SidSize, TAG_SID);
if (!NewSid)
return STATUS_INSUFFICIENT_RESOURCES;
_SEH2_TRY
{
RtlCopyMemory(NewSid, Sid, SidSize);
*CapturedSid = NewSid;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Free the SID and return the exception code */
ExFreePoolWithTag(NewSid, TAG_SID);
_SEH2_YIELD(return _SEH2_GetExceptionCode());
}
_SEH2_END;
}
else if (!CaptureIfKernel)
{
*CapturedSid = InputSid;
}
else
{
SidSize = RtlLengthRequiredSid(Sid->SubAuthorityCount);
/* allocate a SID and copy it */
NewSid = ExAllocatePoolWithTag(PoolType, SidSize, TAG_SID);
if (NewSid == NULL)
return STATUS_INSUFFICIENT_RESOURCES;
RtlCopyMemory(NewSid, Sid, SidSize);
*CapturedSid = NewSid;
}
return STATUS_SUCCESS;
}
VOID
NTAPI
SepReleaseSid(IN PSID CapturedSid,
IN KPROCESSOR_MODE AccessMode,
IN BOOLEAN CaptureIfKernel)
{
PAGED_CODE();
if (CapturedSid != NULL &&
(AccessMode != KernelMode ||
(AccessMode == KernelMode && CaptureIfKernel)))
{
ExFreePoolWithTag(CapturedSid, TAG_SID);
}
}
/* EOF */
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