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implemented RtlSelfRelativeToAbsoluteSD2 for 32 and 64 bit builds

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svn path=/trunk/; revision=18938
This commit is contained in:
Thomas Bluemel 2005-11-01 21:53:36 +00:00
parent 07a232d2e7
commit 30b938fbe9
1 changed files with 146 additions and 3 deletions
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149
reactos/lib/rtl/sd.c
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@ -726,14 +726,157 @@ RtlSelfRelativeToAbsoluteSD(PISECURITY_DESCRIPTOR RelSD,
/*
* @unimplemented
* @implemented
*/
NTSTATUS NTAPI
RtlSelfRelativeToAbsoluteSD2(PISECURITY_DESCRIPTOR SelfRelativeSecurityDescriptor,
PULONG BufferSize)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
PISECURITY_DESCRIPTOR AbsSD = SelfRelativeSecurityDescriptor;
PISECURITY_DESCRIPTOR_RELATIVE RelSD = (PISECURITY_DESCRIPTOR_RELATIVE)SelfRelativeSecurityDescriptor;
#ifdef _WIN64
PVOID DataStart;
ULONG DataSize;
ULONG OwnerLength;
ULONG GroupLength;
ULONG DaclLength;
ULONG SaclLength;
#endif
PSID pOwner;
PSID pGroup;
PACL pDacl;
PACL pSacl;
PAGED_CODE_RTL();
if (SelfRelativeSecurityDescriptor == NULL)
{
return STATUS_INVALID_PARAMETER_1;
}
if (BufferSize == NULL)
{
return STATUS_INVALID_PARAMETER_2;
}
if (RelSD->Revision != SECURITY_DESCRIPTOR_REVISION1)
{
return STATUS_UNKNOWN_REVISION;
}
if (!(RelSD->Control & SE_SELF_RELATIVE))
{
return STATUS_BAD_DESCRIPTOR_FORMAT;
}
ASSERT(FIELD_OFFSET(SECURITY_DESCRIPTOR, Owner) ==
FIELD_OFFSET(SECURITY_DESCRIPTOR_RELATIVE, Owner));
#ifdef _WIN64
RtlpQuerySecurityDescriptor(SelfRelativeSecurityDescriptor,
&pOwner,
&OwnerLength,
&pGroup,
&GroupLength,
&pDacl,
&DaclLength,
&pSacl,
&SaclLength);
ASSERT(sizeof(SECURITY_DESCRIPTOR) > sizeof(SECURITY_DESCRIPTOR_RELATIVE));
DataSize = OwnerLength + GroupLength + DaclLength + SaclLength;
if (*BufferSize < sizeof(SECURITY_DESCRIPTOR) + DataSize)
{
*BufferSize = sizeof(SECURITY_DESCRIPTOR) + DataSize;
return STATUS_BUFFER_TOO_SMALL;
}
if (DataSize != 0)
{
/* calculate the start of the data area, we simply just move the data by
the difference between the size of the relative and absolute security
descriptor structure */
DataStart = pOwner;
if ((pGroup != NULL && (ULONG_PTR)pGroup < (ULONG_PTR)DataStart) || DataStart == NULL)
DataStart = pGroup;
if ((pDacl != NULL && (ULONG_PTR)pDacl < (ULONG_PTR)DataStart) || DataStart == NULL)
DataStart = pDacl;
if ((pSacl != NULL && (ULONG_PTR)pSacl < (ULONG_PTR)DataStart) || DataStart == NULL)
DataStart = pSacl;
/* if DataSize != 0 ther must be at least one SID or ACL in the security
descriptor! Also the data area must be located somewhere after the
end of the SECURITY_DESCRIPTOR_RELATIVE structure */
ASSERT(DataStart != NULL);
ASSERT((ULONG_PTR)DataStart >= (ULONG_PTR)(RelSD + 1));
/* it's time to move the data */
RtlMoveMemory((PVOID)(AbsSD + 1),
DataStart,
DataSize);
/* adjust the pointers if neccessary */
if (pOwner != NULL)
AbsSD->Owner = (PSID)((ULONG_PTR)pOwner +
sizeof(SECURITY_DESCRIPTOR) - sizeof(SECURITY_DESCRIPTOR_RELATIVE));
else
AbsSD->Owner = NULL;
if (pGroup != NULL)
AbsSD->Group = (PSID)((ULONG_PTR)pGroup +
sizeof(SECURITY_DESCRIPTOR) - sizeof(SECURITY_DESCRIPTOR_RELATIVE));
else
AbsSD->Group = NULL;
if (pSacl != NULL)
AbsSD->Sacl = (PACL)((ULONG_PTR)pSacl +
sizeof(SECURITY_DESCRIPTOR) - sizeof(SECURITY_DESCRIPTOR_RELATIVE));
else
AbsSD->Sacl = NULL;
if (pDacl != NULL)
AbsSD->Dacl = (PACL)((ULONG_PTR)pDacl +
sizeof(SECURITY_DESCRIPTOR) - sizeof(SECURITY_DESCRIPTOR_RELATIVE));
else
AbsSD->Dacl = NULL;
}
else
{
/* all pointers must be NULL! */
ASSERT(pOwner == NULL);
ASSERT(pGroup == NULL);
ASSERT(pSacl == NULL);
ASSERT(pDacl == NULL);
AbsSD->Owner = NULL;
AbsSD->Group = NULL;
AbsSD->Dacl = NULL;
AbsSD->Sacl = NULL;
}
/* clear the self-relative flag */
AbsSD->Control &= ~SE_SELF_RELATIVE;
#else
RtlpQuerySecurityDescriptorPointers(SelfRelativeSecurityDescriptor,
&pOwner,
&pGroup,
&pSacl,
&pDacl);
ASSERT(sizeof(SECURITY_DESCRIPTOR) == sizeof(SECURITY_DESCRIPTOR_RELATIVE));
/* clear the self-relative flag and simply convert the offsets to pointers */
AbsSD->Control &= ~SE_SELF_RELATIVE;
AbsSD->Owner = pOwner;
AbsSD->Group = pGroup;
AbsSD->Sacl = pDacl;
AbsSD->Dacl = pSacl;
#endif
return STATUS_SUCCESS;
}