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dll: posix: map unmapped UID to S-1-5-7 (Anonymous)

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This commit is contained in:
Bill Zissimopoulos 2016-06-24 16:28:38 -07:00
parent 37b6936ad0
commit 7e8d9fb986
2 changed files with 11 additions and 11 deletions
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20
src/dll/posix.c
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@ -40,18 +40,18 @@ union
{ {
SID V; SID V;
UINT8 B[sizeof(SID) - sizeof(DWORD) + (1 * sizeof(DWORD))]; UINT8 B[sizeof(SID) - sizeof(DWORD) + (1 * sizeof(DWORD))];
} FspNullSidBuf = } FspUnmappedSidBuf =
{ {
/* S-1-0-0 */ /* S-1-5-7 (Anonymous) */
.V.Revision = SID_REVISION, .V.Revision = SID_REVISION,
.V.SubAuthorityCount = 1, .V.SubAuthorityCount = 1,
.V.IdentifierAuthority.Value[5] = 0, .V.IdentifierAuthority.Value[5] = 5,
.V.SubAuthority[0] = 0, .V.SubAuthority[0] = 7,
}; };
static PISID FspAccountDomainSid, FspPrimaryDomainSid; static PISID FspAccountDomainSid, FspPrimaryDomainSid;
#define FspNullSid (&FspNullSidBuf.V) #define FspUnmappedSid (&FspUnmappedSidBuf.V)
#define FspNullUid -1 #define FspUnmappedUid (7)
static BOOL WINAPI FspPosixInitialize( static BOOL WINAPI FspPosixInitialize(
PINIT_ONCE InitOnce, PVOID Parameter, PVOID *Context) PINIT_ONCE InitOnce, PVOID Parameter, PVOID *Context)
@ -227,7 +227,7 @@ FSP_API NTSTATUS FspPosixMapUidToSid(UINT32 Uid, PSID *PSid)
*PSid = FspPosixCreateSid(5, 2, Uid >> 12, Uid & 0xfff); *PSid = FspPosixCreateSid(5, 2, Uid >> 12, Uid & 0xfff);
if (0 == *PSid) if (0 == *PSid)
*PSid = FspNullSid; *PSid = FspUnmappedSid;
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
@ -325,7 +325,7 @@ FSP_API NTSTATUS FspPosixMapSidToUid(PSID Sid, PUINT32 PUid)
*/ */
*PUid = 0x60000 + Rid; *PUid = 0x60000 + Rid;
} }
else if (0 != Authority) else
{ {
/* [IDMAP] /* [IDMAP]
* Other well-known SIDs: * Other well-known SIDs:
@ -335,7 +335,7 @@ FSP_API NTSTATUS FspPosixMapSidToUid(PSID Sid, PUINT32 PUid)
} }
if (-1 == *PUid) if (-1 == *PUid)
*PUid = FspNullUid; *PUid = FspUnmappedUid;
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
@ -364,7 +364,7 @@ static PISID FspPosixCreateSid(BYTE Authority, ULONG Count, ...)
FSP_API VOID FspDeleteSid(PSID Sid, NTSTATUS (*CreateFunc)()) FSP_API VOID FspDeleteSid(PSID Sid, NTSTATUS (*CreateFunc)())
{ {
if (FspNullSid == Sid) if (FspUnmappedSid == Sid)
; ;
else if ((NTSTATUS (*)())FspPosixMapUidToSid == CreateFunc) else if ((NTSTATUS (*)())FspPosixMapUidToSid == CreateFunc)
MemFree(Sid); MemFree(Sid);

2
tst/winfsp-tests/posix-test.c
View File

@ -10,7 +10,7 @@ void posix_map_sid_test(void)
UINT32 Uid; UINT32 Uid;
} map[] = } map[] =
{ {
{ L"S-1-0-0", -1 }, { L"S-1-0-0", 0x10000 },
{ L"S-1-1-0", 0x10100 }, { L"S-1-1-0", 0x10100 },
{ L"S-1-2-0", 0x10200 }, { L"S-1-2-0", 0x10200 },
{ L"S-1-2-1", 0x10201 }, { L"S-1-2-1", 0x10201 },