/* * Security functions * * Copyright 1996-1998 Marcus Meissner */ #include #include #include #include #include #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "wine/winestring.h" #include "file.h" #include "heap.h" #include "winnls.h" #include "debugtools.h" #include "winerror.h" #include "stackframe.h" #include "ntddk.h" #include "winreg.h" DEFAULT_DEBUG_CHANNEL(ntdll); #define NT_SUCCESS(status) (status == STATUS_SUCCESS) /* * SID FUNCTIONS */ /****************************************************************************** * RtlAllocateAndInitializeSid [NTDLL.265] * */ BOOLEAN WINAPI RtlAllocateAndInitializeSid ( PSID_IDENTIFIER_AUTHORITY pIdentifierAuthority, BYTE nSubAuthorityCount, DWORD nSubAuthority0, DWORD nSubAuthority1, DWORD nSubAuthority2, DWORD nSubAuthority3, DWORD nSubAuthority4, DWORD nSubAuthority5, DWORD nSubAuthority6, DWORD nSubAuthority7, PSID *pSid ) { TRACE("(%p, 0x%04x,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,0x%08lx,%p)\n", pIdentifierAuthority,nSubAuthorityCount, nSubAuthority0, nSubAuthority1, nSubAuthority2, nSubAuthority3, nSubAuthority4, nSubAuthority5, nSubAuthority6, nSubAuthority7, pSid); if (!(*pSid = HeapAlloc( GetProcessHeap(), 0, RtlLengthRequiredSid(nSubAuthorityCount)))) return FALSE; (*pSid)->Revision = SID_REVISION; if (pIdentifierAuthority) memcpy(&(*pSid)->IdentifierAuthority, pIdentifierAuthority, sizeof (SID_IDENTIFIER_AUTHORITY)); *GetSidSubAuthorityCount(*pSid) = nSubAuthorityCount; if (nSubAuthorityCount > 0) *GetSidSubAuthority(*pSid, 0) = nSubAuthority0; if (nSubAuthorityCount > 1) *GetSidSubAuthority(*pSid, 1) = nSubAuthority1; if (nSubAuthorityCount > 2) *GetSidSubAuthority(*pSid, 2) = nSubAuthority2; if (nSubAuthorityCount > 3) *GetSidSubAuthority(*pSid, 3) = nSubAuthority3; if (nSubAuthorityCount > 4) *GetSidSubAuthority(*pSid, 4) = nSubAuthority4; if (nSubAuthorityCount > 5) *GetSidSubAuthority(*pSid, 5) = nSubAuthority5; if (nSubAuthorityCount > 6) *GetSidSubAuthority(*pSid, 6) = nSubAuthority6; if (nSubAuthorityCount > 7) *GetSidSubAuthority(*pSid, 7) = nSubAuthority7; return STATUS_SUCCESS; } /****************************************************************************** * RtlEqualSid [NTDLL.352] * */ BOOL WINAPI RtlEqualSid( PSID pSid1, PSID pSid2 ) { if (!RtlValidSid(pSid1) || !RtlValidSid(pSid2)) return FALSE; if (*RtlSubAuthorityCountSid(pSid1) != *RtlSubAuthorityCountSid(pSid2)) return FALSE; if (memcmp(pSid1, pSid2, GetLengthSid(pSid1)) != 0) return FALSE; return TRUE; } /****************************************************************************** * RtlEqualPrefixSid [ntdll.] */ BOOL WINAPI RtlEqualPrefixSid (PSID pSid1, PSID pSid2) { if (!RtlValidSid(pSid1) || !RtlValidSid(pSid2)) return FALSE; if (*RtlSubAuthorityCountSid(pSid1) != *RtlSubAuthorityCountSid(pSid2)) return FALSE; if (memcmp(pSid1, pSid2, RtlLengthRequiredSid(pSid1->SubAuthorityCount - 1)) != 0) return FALSE; return TRUE; } /****************************************************************************** * RtlFreeSid [NTDLL.376] */ DWORD WINAPI RtlFreeSid(PSID pSid) { TRACE("(%p)\n", pSid); HeapFree( GetProcessHeap(), 0, pSid ); return STATUS_SUCCESS; } /************************************************************************** * RtlLengthRequiredSid [NTDLL.427] * * PARAMS * nSubAuthorityCount [] */ DWORD WINAPI RtlLengthRequiredSid(DWORD nrofsubauths) { return (nrofsubauths-1)*sizeof(DWORD) + sizeof(SID); } /************************************************************************** * RtlLengthSid [NTDLL.429] */ DWORD WINAPI RtlLengthSid(PSID pSid) { TRACE("sid=%p\n",pSid); if (!pSid) return 0; return RtlLengthRequiredSid(*RtlSubAuthorityCountSid(pSid)); } /************************************************************************** * RtlInitializeSid [NTDLL.410] */ BOOL WINAPI RtlInitializeSid( PSID pSid, PSID_IDENTIFIER_AUTHORITY pIdentifierAuthority, BYTE nSubAuthorityCount) { int i; if (nSubAuthorityCount >= SID_MAX_SUB_AUTHORITIES) return FALSE; pSid->Revision = SID_REVISION; pSid->SubAuthorityCount = nSubAuthorityCount; if (pIdentifierAuthority) memcpy(&pSid->IdentifierAuthority, pIdentifierAuthority, sizeof (SID_IDENTIFIER_AUTHORITY)); for (i = 0; i < nSubAuthorityCount; i++) *GetSidSubAuthority(pSid, i) = 0; return TRUE; } /************************************************************************** * RtlSubAuthoritySid [NTDLL.497] * * PARAMS * pSid [] * nSubAuthority [] */ LPDWORD WINAPI RtlSubAuthoritySid( PSID pSid, DWORD nSubAuthority ) { return &(pSid->SubAuthority[nSubAuthority]); } /************************************************************************** * RtlIdentifierAuthoritySid [NTDLL.395] * * PARAMS * pSid [] */ PSID_IDENTIFIER_AUTHORITY WINAPI RtlIdentifierAuthoritySid( PSID pSid ) { return &(pSid->IdentifierAuthority); } /************************************************************************** * RtlSubAuthorityCountSid [NTDLL.496] * * PARAMS * pSid [] * nSubAuthority [] */ LPBYTE WINAPI RtlSubAuthorityCountSid(PSID pSid) { return &(pSid->SubAuthorityCount); } /************************************************************************** * RtlCopySid [NTDLL.302] */ DWORD WINAPI RtlCopySid( DWORD nDestinationSidLength, PSID pDestinationSid, PSID pSourceSid ) { if (!pSourceSid || !RtlValidSid(pSourceSid) || (nDestinationSidLength < RtlLengthSid(pSourceSid))) return FALSE; if (nDestinationSidLength < (pSourceSid->SubAuthorityCount*4+8)) return FALSE; memmove(pDestinationSid, pSourceSid, pSourceSid->SubAuthorityCount*4+8); return TRUE; } /****************************************************************************** * RtlValidSid [NTDLL.532] * * PARAMS * pSid [] */ BOOL WINAPI RtlValidSid( PSID pSid ) { if (IsBadReadPtr(pSid, 4)) { WARN("(%p): invalid pointer!\n", pSid); return FALSE; } if (pSid->SubAuthorityCount > SID_MAX_SUB_AUTHORITIES) return FALSE; if (!pSid || pSid->Revision != SID_REVISION) return FALSE; return TRUE; } /* * security descriptor functions */ /************************************************************************** * RtlCreateSecurityDescriptor [NTDLL.313] * * RETURNS: * 0 success, * STATUS_INVALID_OWNER, STATUS_PRIVILEGE_NOT_HELD, STATUS_NO_INHERITANCE, * STATUS_NO_MEMORY */ NTSTATUS WINAPI RtlCreateSecurityDescriptor( PSECURITY_DESCRIPTOR lpsd, DWORD rev) { if (rev!=SECURITY_DESCRIPTOR_REVISION) return STATUS_UNKNOWN_REVISION; memset(lpsd,'\0',sizeof(*lpsd)); lpsd->Revision = SECURITY_DESCRIPTOR_REVISION; return STATUS_SUCCESS; } /************************************************************************** * RtlValidSecurityDescriptor [NTDLL.313] * */ NTSTATUS WINAPI RtlValidSecurityDescriptor( PSECURITY_DESCRIPTOR SecurityDescriptor) { if ( ! SecurityDescriptor ) return STATUS_INVALID_SECURITY_DESCR; if ( SecurityDescriptor->Revision != SECURITY_DESCRIPTOR_REVISION ) return STATUS_UNKNOWN_REVISION; return STATUS_SUCCESS; } /************************************************************************** * RtlLengthSecurityDescriptor [NTDLL] */ ULONG WINAPI RtlLengthSecurityDescriptor( PSECURITY_DESCRIPTOR SecurityDescriptor) { ULONG Size; Size = SECURITY_DESCRIPTOR_MIN_LENGTH; if ( SecurityDescriptor == NULL ) return 0; if ( SecurityDescriptor->Owner != NULL ) Size += SecurityDescriptor->Owner->SubAuthorityCount; if ( SecurityDescriptor->Group != NULL ) Size += SecurityDescriptor->Group->SubAuthorityCount; if ( SecurityDescriptor->Sacl != NULL ) Size += SecurityDescriptor->Sacl->AclSize; if ( SecurityDescriptor->Dacl != NULL ) Size += SecurityDescriptor->Dacl->AclSize; return Size; } /****************************************************************************** * RtlGetDaclSecurityDescriptor [NTDLL] * */ NTSTATUS WINAPI RtlGetDaclSecurityDescriptor( IN PSECURITY_DESCRIPTOR pSecurityDescriptor, OUT PBOOLEAN lpbDaclPresent, OUT PACL *pDacl, OUT PBOOLEAN lpbDaclDefaulted) { TRACE("(%p,%p,%p,%p)\n", pSecurityDescriptor, lpbDaclPresent, *pDacl, lpbDaclDefaulted); if (pSecurityDescriptor->Revision != SECURITY_DESCRIPTOR_REVISION) return STATUS_UNKNOWN_REVISION ; if ( (*lpbDaclPresent = (SE_DACL_PRESENT & pSecurityDescriptor->Control) ? 1 : 0) ) { if ( SE_SELF_RELATIVE & pSecurityDescriptor->Control) { *pDacl = (PACL) ((LPBYTE)pSecurityDescriptor + (DWORD)pSecurityDescriptor->Dacl); } else { *pDacl = pSecurityDescriptor->Dacl; } } *lpbDaclDefaulted = (( SE_DACL_DEFAULTED & pSecurityDescriptor->Control ) ? 1 : 0); return STATUS_SUCCESS; } /************************************************************************** * RtlSetDaclSecurityDescriptor [NTDLL.483] */ NTSTATUS WINAPI RtlSetDaclSecurityDescriptor ( PSECURITY_DESCRIPTOR lpsd, BOOLEAN daclpresent, PACL dacl, BOOLEAN dacldefaulted ) { if (lpsd->Revision!=SECURITY_DESCRIPTOR_REVISION) return STATUS_UNKNOWN_REVISION; if (lpsd->Control & SE_SELF_RELATIVE) return STATUS_INVALID_SECURITY_DESCR; if (!daclpresent) { lpsd->Control &= ~SE_DACL_PRESENT; return TRUE; } lpsd->Control |= SE_DACL_PRESENT; lpsd->Dacl = dacl; if (dacldefaulted) lpsd->Control |= SE_DACL_DEFAULTED; else lpsd->Control &= ~SE_DACL_DEFAULTED; return STATUS_SUCCESS; } /****************************************************************************** * RtlGetSaclSecurityDescriptor [NTDLL] * */ NTSTATUS WINAPI RtlGetSaclSecurityDescriptor( IN PSECURITY_DESCRIPTOR pSecurityDescriptor, OUT PBOOLEAN lpbSaclPresent, OUT PACL *pSacl, OUT PBOOLEAN lpbSaclDefaulted) { TRACE("(%p,%p,%p,%p)\n", pSecurityDescriptor, lpbSaclPresent, *pSacl, lpbSaclDefaulted); if (pSecurityDescriptor->Revision != SECURITY_DESCRIPTOR_REVISION) return STATUS_UNKNOWN_REVISION ; if ( (*lpbSaclPresent = (SE_SACL_PRESENT & pSecurityDescriptor->Control) ? 1 : 0) ) { if ( SE_SELF_RELATIVE & pSecurityDescriptor->Control) { *pSacl = (PACL) ((LPBYTE)pSecurityDescriptor + (DWORD)pSecurityDescriptor->Sacl); } else { *pSacl = pSecurityDescriptor->Sacl; } } *lpbSaclDefaulted = (( SE_SACL_DEFAULTED & pSecurityDescriptor->Control ) ? 1 : 0); return STATUS_SUCCESS; } /************************************************************************** * RtlSetSaclSecurityDescriptor [NTDLL.488] */ NTSTATUS WINAPI RtlSetSaclSecurityDescriptor ( PSECURITY_DESCRIPTOR lpsd, BOOLEAN saclpresent, PACL sacl, BOOLEAN sacldefaulted) { if (lpsd->Revision!=SECURITY_DESCRIPTOR_REVISION) return STATUS_UNKNOWN_REVISION; if (lpsd->Control & SE_SELF_RELATIVE) return STATUS_INVALID_SECURITY_DESCR; if (!saclpresent) { lpsd->Control &= ~SE_SACL_PRESENT; return 0; } lpsd->Control |= SE_SACL_PRESENT; lpsd->Sacl = sacl; if (sacldefaulted) lpsd->Control |= SE_SACL_DEFAULTED; else lpsd->Control &= ~SE_SACL_DEFAULTED; return STATUS_SUCCESS; } /************************************************************************** * RtlGetOwnerSecurityDescriptor [NTDLL.488] */ NTSTATUS WINAPI RtlGetOwnerSecurityDescriptor( PSECURITY_DESCRIPTOR SecurityDescriptor, PSID *Owner, PBOOLEAN OwnerDefaulted) { if ( !SecurityDescriptor || !Owner || !OwnerDefaulted ) return STATUS_INVALID_PARAMETER; *Owner = SecurityDescriptor->Owner; if ( *Owner != NULL ) { if ( SecurityDescriptor->Control & SE_OWNER_DEFAULTED ) *OwnerDefaulted = TRUE; else *OwnerDefaulted = FALSE; } return STATUS_SUCCESS; } /************************************************************************** * RtlSetOwnerSecurityDescriptor [NTDLL.487] */ NTSTATUS WINAPI RtlSetOwnerSecurityDescriptor( PSECURITY_DESCRIPTOR lpsd, PSID owner, BOOLEAN ownerdefaulted) { if (lpsd->Revision!=SECURITY_DESCRIPTOR_REVISION) return STATUS_UNKNOWN_REVISION; if (lpsd->Control & SE_SELF_RELATIVE) return STATUS_INVALID_SECURITY_DESCR; lpsd->Owner = owner; if (ownerdefaulted) lpsd->Control |= SE_OWNER_DEFAULTED; else lpsd->Control &= ~SE_OWNER_DEFAULTED; return STATUS_SUCCESS; } /************************************************************************** * RtlSetGroupSecurityDescriptor [NTDLL.485] */ NTSTATUS WINAPI RtlSetGroupSecurityDescriptor ( PSECURITY_DESCRIPTOR lpsd, PSID group, BOOLEAN groupdefaulted) { if (lpsd->Revision!=SECURITY_DESCRIPTOR_REVISION) return STATUS_UNKNOWN_REVISION; if (lpsd->Control & SE_SELF_RELATIVE) return STATUS_INVALID_SECURITY_DESCR; lpsd->Group = group; if (groupdefaulted) lpsd->Control |= SE_GROUP_DEFAULTED; else lpsd->Control &= ~SE_GROUP_DEFAULTED; return STATUS_SUCCESS; } /************************************************************************** * RtlGetGroupSecurityDescriptor [NTDLL] */ NTSTATUS WINAPI RtlGetGroupSecurityDescriptor( PSECURITY_DESCRIPTOR SecurityDescriptor, PSID *Group, PBOOLEAN GroupDefaulted) { if ( !SecurityDescriptor || !Group || !GroupDefaulted ) return STATUS_INVALID_PARAMETER; *Group = SecurityDescriptor->Group; if ( *Group != NULL ) { if ( SecurityDescriptor->Control & SE_GROUP_DEFAULTED ) *GroupDefaulted = TRUE; else *GroupDefaulted = FALSE; } return STATUS_SUCCESS; } /************************************************************************** * RtlMakeSelfRelativeSD [NTDLL] */ NTSTATUS WINAPI RtlMakeSelfRelativeSD( IN PSECURITY_DESCRIPTOR pAbsoluteSecurityDescriptor, IN PSECURITY_DESCRIPTOR pSelfRelativeSecurityDescriptor, IN OUT LPDWORD lpdwBufferLength) { FIXME("(%p,%p,%p(%lu))\n", pAbsoluteSecurityDescriptor, pSelfRelativeSecurityDescriptor, lpdwBufferLength,*lpdwBufferLength); return STATUS_SUCCESS; } /* * access control list's */ /************************************************************************** * RtlCreateAcl [NTDLL.306] * * NOTES * This should return NTSTATUS */ NTSTATUS WINAPI RtlCreateAcl(PACL acl,DWORD size,DWORD rev) { TRACE("%p 0x%08lx 0x%08lx\n", acl, size, rev); if (rev!=ACL_REVISION) return STATUS_INVALID_PARAMETER; if (size0xFFFF) return STATUS_INVALID_PARAMETER; memset(acl,'\0',sizeof(ACL)); acl->AclRevision = rev; acl->AclSize = size; acl->AceCount = 0; return 0; } /************************************************************************** * RtlFirstFreeAce [NTDLL.370] * looks for the AceCount+1 ACE, and if it is still within the alloced * ACL, return a pointer to it */ BOOLEAN WINAPI RtlFirstFreeAce( PACL acl, PACE_HEADER *x) { PACE_HEADER ace; int i; *x = 0; ace = (PACE_HEADER)(acl+1); for (i=0;iAceCount;i++) { if ((DWORD)ace>=(((DWORD)acl)+acl->AclSize)) return 0; ace = (PACE_HEADER)(((BYTE*)ace)+ace->AceSize); } if ((DWORD)ace>=(((DWORD)acl)+acl->AclSize)) return 0; *x = ace; return 1; } /************************************************************************** * RtlAddAce [NTDLL.260] */ NTSTATUS WINAPI RtlAddAce( PACL acl, DWORD rev, DWORD xnrofaces, PACE_HEADER acestart, DWORD acelen) { PACE_HEADER ace,targetace; int nrofaces; if (acl->AclRevision != ACL_REVISION) return STATUS_INVALID_PARAMETER; if (!RtlFirstFreeAce(acl,&targetace)) return STATUS_INVALID_PARAMETER; nrofaces=0;ace=acestart; while (((DWORD)ace-(DWORD)acestart)AceSize); } if ((DWORD)targetace+acelen>(DWORD)acl+acl->AclSize) /* too much aces */ return STATUS_INVALID_PARAMETER; memcpy((LPBYTE)targetace,acestart,acelen); acl->AceCount+=nrofaces; return STATUS_SUCCESS; } /****************************************************************************** * RtlAddAccessAllowedAce [NTDLL] */ BOOL WINAPI RtlAddAccessAllowedAce( IN OUT PACL pAcl, IN DWORD dwAceRevision, IN DWORD AccessMask, IN PSID pSid) { FIXME("(%p,0x%08lx,0x%08lx,%p),stub!\n", pAcl, dwAceRevision, AccessMask, pSid); return 0; } /****************************************************************************** * RtlGetAce [NTDLL] */ DWORD WINAPI RtlGetAce(PACL pAcl,DWORD dwAceIndex,LPVOID *pAce ) { FIXME("(%p,%ld,%p),stub!\n",pAcl,dwAceIndex,pAce); return 0; } /* * misc */ /****************************************************************************** * RtlAdjustPrivilege [NTDLL] */ DWORD WINAPI RtlAdjustPrivilege(DWORD x1,DWORD x2,DWORD x3,DWORD x4) { FIXME("(0x%08lx,0x%08lx,0x%08lx,0x%08lx),stub!\n",x1,x2,x3,x4); return 0; } /****************************************************************************** * RtlImpersonateSelf [NTDLL] */ BOOL WINAPI RtlImpersonateSelf(SECURITY_IMPERSONATION_LEVEL ImpersonationLevel) { FIXME("(%08x), stub\n", ImpersonationLevel); return TRUE; } /****************************************************************************** * NtAccessCheck [NTDLL] */ NTSTATUS WINAPI NtAccessCheck( IN PSECURITY_DESCRIPTOR SecurityDescriptor, IN HANDLE ClientToken, IN ACCESS_MASK DesiredAccess, IN PGENERIC_MAPPING GenericMapping, OUT PPRIVILEGE_SET PrivilegeSet, OUT PULONG ReturnLength, OUT PULONG GrantedAccess, OUT PBOOLEAN AccessStatus) { FIXME("(%p, %04x, %08lx, %p, %p, %p, %p, %p), stub\n", SecurityDescriptor, ClientToken, DesiredAccess, GenericMapping, PrivilegeSet, ReturnLength, GrantedAccess, AccessStatus); *AccessStatus = TRUE; return STATUS_SUCCESS; } /****************************************************************************** * NtSetSecurityObject [NTDLL] */ NTSTATUS WINAPI NtSetSecurityObject( IN HANDLE Handle, IN SECURITY_INFORMATION SecurityInformation, IN PSECURITY_DESCRIPTOR SecurityDescriptor) { FIXME("0x%08x 0x%08lx %p\n", Handle, SecurityInformation, SecurityDescriptor); return STATUS_SUCCESS; } /****************************************************************************** * RtlGetControlSecurityDescriptor */ NTSTATUS WINAPI RtlGetControlSecurityDescriptor( PSECURITY_DESCRIPTOR pSecurityDescriptor, PSECURITY_DESCRIPTOR_CONTROL pControl, LPDWORD lpdwRevision) { FIXME("(%p,%p,%p),stub!\n",pSecurityDescriptor,pControl,lpdwRevision); return STATUS_SUCCESS; }