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advapi32: Fix buffer size query for CreateWellKnownSid.

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This commit is contained in:
Hans Leidekker 2009-04-15 14:59:10 +02:00 committed by Alexandre Julliard
parent c23beb3102
commit dbe5453f7c
2 changed files with 40 additions and 6 deletions
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23
dlls/advapi32/security.c
View File

@ -859,7 +859,8 @@ CreateWellKnownSid( WELL_KNOWN_SID_TYPE WellKnownSidType,
unsigned int i;
TRACE("(%d, %s, %p, %p)\n", WellKnownSidType, debugstr_sid(DomainSid), pSid, cbSid);
if (cbSid == NULL || pSid == NULL || (DomainSid && !IsValidSid(DomainSid))) {
if (cbSid == NULL || (DomainSid && !IsValidSid(DomainSid)))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
@ -868,11 +869,17 @@ CreateWellKnownSid( WELL_KNOWN_SID_TYPE WellKnownSidType,
if (WellKnownSids[i].Type == WellKnownSidType) {
DWORD length = GetSidLengthRequired(WellKnownSids[i].Sid.SubAuthorityCount);
if (*cbSid < length) {
if (*cbSid < length)
{
*cbSid = length;
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
if (!pSid)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
CopyMemory(pSid, &WellKnownSids[i].Sid.Revision, length);
*cbSid = length;
return TRUE;
@ -891,11 +898,17 @@ CreateWellKnownSid( WELL_KNOWN_SID_TYPE WellKnownSidType,
DWORD domain_sid_length = GetSidLengthRequired(domain_subauth);
DWORD output_sid_length = GetSidLengthRequired(domain_subauth + 1);
if (*cbSid < output_sid_length) {
if (*cbSid < output_sid_length)
{
*cbSid = output_sid_length;
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
if (!pSid)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
CopyMemory(pSid, DomainSid, domain_sid_length);
(*GetSidSubAuthorityCount(pSid))++;
(*GetSidSubAuthority(pSid, domain_subauth)) = WellKnownRids[i].Rid;

23
dlls/advapi32/tests/security.c
View File

@ -1354,7 +1354,9 @@ struct well_known_sid_value
static void test_CreateWellKnownSid(void)
{
SID_IDENTIFIER_AUTHORITY ident = { SECURITY_NT_AUTHORITY };
PSID domainsid;
PSID domainsid, sid;
DWORD size, error;
BOOL ret;
int i;
if (!pCreateWellKnownSid)
@ -1363,6 +1365,25 @@ static void test_CreateWellKnownSid(void)
return;
}
size = 0;
SetLastError(0xdeadbeef);
ret = pCreateWellKnownSid(WinInteractiveSid, NULL, NULL, &size);
error = GetLastError();
ok(!ret, "CreateWellKnownSid succeeded\n");
ok(error == ERROR_INSUFFICIENT_BUFFER, "expected ERROR_INSUFFICIENT_BUFFER, got %u\n", error);
ok(size, "expected size > 0\n");
SetLastError(0xdeadbeef);
ret = pCreateWellKnownSid(WinInteractiveSid, NULL, NULL, &size);
error = GetLastError();
ok(!ret, "CreateWellKnownSid succeeded\n");
ok(error == ERROR_INVALID_PARAMETER, "expected ERROR_INVALID_PARAMETER, got %u\n", error);
sid = HeapAlloc(GetProcessHeap(), 0, size);
ret = pCreateWellKnownSid(WinInteractiveSid, NULL, sid, &size);
ok(ret, "CreateWellKnownSid failed %u\n", GetLastError());
HeapFree(GetProcessHeap(), 0, sid);
/* a domain sid usually have three subauthorities but we test that CreateWellKnownSid doesn't check it */
AllocateAndInitializeSid(&ident, 6, SECURITY_NT_NON_UNIQUE, 12, 23, 34, 45, 56, 0, 0, &domainsid);