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[ADVAPI32]

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LsapCopyLocalGroups: Determine the size of each client SID and copy it into the local adress space.

svn path=/trunk/; revision=61312
This commit is contained in:
Eric Kohl 2013-12-21 11:35:14 +00:00
parent 0fbc07a49d
commit b1815921b9
1 changed files with 71 additions and 3 deletions
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74
reactos/dll/win32/lsasrv/authpackage.c
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@ -549,6 +549,12 @@ LsapCopyLocalGroups(
{
ULONG LocalGroupsLength = 0;
PTOKEN_GROUPS LocalGroups = NULL;
ULONG SidHeaderLength = 0;
PSID SidHeader = NULL;
PSID Sid;
ULONG SidLength;
ULONG CopiedSids = 0;
ULONG i;
NTSTATUS Status;
LocalGroupsLength = sizeof(TOKEN_GROUPS) +
@ -570,16 +576,68 @@ LsapCopyLocalGroups(
if (!NT_SUCCESS(Status))
goto done;
SidHeaderLength = RtlLengthRequiredSid(0);
SidHeader = RtlAllocateHeap(RtlGetProcessHeap(),
HEAP_ZERO_MEMORY,
SidHeaderLength);
if (SidHeader == NULL)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
goto done;
}
for (i = 0; i < ClientGroupsCount; i++)
{
Status = NtReadVirtualMemory(LogonContext->ClientProcessHandle,
LocalGroups->Groups[i].Sid,
SidHeader,
SidHeaderLength,
NULL);
if (!NT_SUCCESS(Status))
goto done;
SidLength = RtlLengthSid(SidHeader);
TRACE("Sid %lu: Length %lu\n", i, SidLength);
Sid = RtlAllocateHeap(RtlGetProcessHeap(),
HEAP_ZERO_MEMORY,
SidLength);
if (SidHeader == NULL)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
goto done;
}
Status = NtReadVirtualMemory(LogonContext->ClientProcessHandle,
LocalGroups->Groups[i].Sid,
Sid,
SidLength,
NULL);
if (!NT_SUCCESS(Status))
{
RtlFreeHeap(RtlGetProcessHeap(), 0, Sid);
goto done;
}
LocalGroups->Groups[i].Sid = Sid;
CopiedSids++;
}
*TokenGroups = LocalGroups;
done:
if (SidHeader != NULL)
RtlFreeHeap(RtlGetProcessHeap(), 0, SidHeader);
if (!NT_SUCCESS(Status))
{
if (LocalGroups != NULL)
{
RtlFreeHeap(RtlGetProcessHeap(),
0,
LocalGroups);
for (i = 0; i < CopiedSids; i++)
RtlFreeHeap(RtlGetProcessHeap(), 0, LocalGroups->Groups[i].Sid);
RtlFreeHeap(RtlGetProcessHeap(), 0, LocalGroups);
}
}
@ -775,6 +833,13 @@ LsapLogonUser(PLSA_API_MSG RequestMsg,
TokenHandle = NULL;
Status = LsapSetLogonSessionData(&RequestMsg->LogonUser.Reply.LogonId);
if (!NT_SUCCESS(Status))
{
TRACE("LsapSetLogonSessionData failed (Status 0x%08lx)\n", Status);
goto done;
}
done:
if (!NT_SUCCESS(Status))
{
@ -785,6 +850,9 @@ done:
/* Free the local groups */
if (LocalGroups != NULL)
{
for (i = 0; i < LocalGroups->GroupCount; i++)
RtlFreeHeap(RtlGetProcessHeap(), 0, LocalGroups->Groups[i].Sid);
RtlFreeHeap(RtlGetProcessHeap(), 0, LocalGroups);
}