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advapi32: Support well-knowns SIDs in string SIDs.

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This commit is contained in:
Robert Shearman 2006-06-12 16:37:07 +01:00 committed by Alexandre Julliard
parent ddd84f4f28
commit 84019596be
1 changed files with 64 additions and 28 deletions
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92
dlls/advapi32/security.c
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@ -59,6 +59,14 @@ typedef struct _ACEFLAG
DWORD value;
} ACEFLAG, *LPACEFLAG;
typedef struct WELLKNOWNSID
{
WCHAR wstr[2];
SID_IDENTIFIER_AUTHORITY auth;
BYTE nSubAuthorityCount;
DWORD SubAuthority[8];
} WELLKNOWNSID;
static SID const sidWorld = { SID_REVISION, 1, { SECURITY_WORLD_SID_AUTHORITY} , { SECURITY_WORLD_RID } };
/*
@ -3217,27 +3225,6 @@ BOOL WINAPI CreateProcessAsUserW(
return TRUE;
}
/******************************************************************************
* ComputeStringSidSize
*/
static DWORD ComputeStringSidSize(LPCWSTR StringSid)
{
int ctok = 0;
DWORD size = sizeof(SID);
while (*StringSid)
{
if (*StringSid == '-')
ctok++;
StringSid++;
}
if (ctok > 3)
size += (ctok - 3) * sizeof(DWORD);
return size;
}
BOOL WINAPI DuplicateTokenEx(
HANDLE ExistingTokenHandle, DWORD dwDesiredAccess,
LPSECURITY_ATTRIBUTES lpTokenAttributes,
@ -3303,6 +3290,49 @@ BOOL WINAPI EnumDependentServicesW(
return FALSE;
}
static const WELLKNOWNSID WellKnownSids[] =
{
{ {'W','D'}, { SECURITY_WORLD_SID_AUTHORITY }, 1, { SECURITY_WORLD_RID } },
{ {'B','A'}, { SECURITY_NT_AUTHORITY }, 2, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_GROUP_RID_ADMINS } },
{ {'B','G'}, { SECURITY_NT_AUTHORITY }, 2, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_GROUP_RID_GUESTS } },
{ {'B','U'}, { SECURITY_NT_AUTHORITY }, 2, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_GROUP_RID_USERS } },
{ {'I','U'}, { SECURITY_NT_AUTHORITY }, 1, { SECURITY_INTERACTIVE_RID } },
{ {'L','S'}, { SECURITY_NT_AUTHORITY }, 1, { SECURITY_SERVICE_RID } },
{ {'S','Y'}, { SECURITY_NT_AUTHORITY }, 1, { SECURITY_LOCAL_SYSTEM_RID } },
};
/******************************************************************************
* ComputeStringSidSize
*/
static DWORD ComputeStringSidSize(LPCWSTR StringSid)
{
DWORD size = sizeof(SID);
if (StringSid[0] == 'S' && StringSid[1] == '-') /* S-R-I-S-S */
{
int ctok = 0;
while (*StringSid)
{
if (*StringSid == '-')
ctok++;
StringSid++;
}
if (ctok > 3)
size += (ctok - 3) * sizeof(DWORD);
}
else /* String constant format - Only available in winxp and above */
{
int i;
for (i = 0; i < sizeof(WellKnownSids)/sizeof(WellKnownSids[0]); i++)
if (!strncmpW(WellKnownSids[i].wstr, StringSid, 2))
size += (WellKnownSids[i].nSubAuthorityCount - 1) * sizeof(DWORD);
}
return size;
}
/******************************************************************************
* ParseStringSidToSid
*/
@ -3385,16 +3415,22 @@ static BOOL ParseStringSidToSid(LPCWSTR StringSid, PSID pSid, LPDWORD cBytes)
}
else /* String constant format - Only available in winxp and above */
{
int i;
pisid->Revision = SDDL_REVISION;
pisid->SubAuthorityCount = 1;
FIXME("String constant not supported: %s\n", debugstr_wn(StringSid, 2));
for (i = 0; i < sizeof(WellKnownSids)/sizeof(WellKnownSids[0]); i++)
if (!strncmpW(WellKnownSids[i].wstr, StringSid, 2))
{
DWORD j;
pisid->SubAuthorityCount = WellKnownSids[i].nSubAuthorityCount;
pisid->IdentifierAuthority = WellKnownSids[i].auth;
for (j = 0; j < WellKnownSids[i].nSubAuthorityCount; j++)
pisid->SubAuthority[j] = WellKnownSids[i].SubAuthority[j];
bret = TRUE;
}
/* TODO: Lookup string of well-known SIDs in table */
pisid->IdentifierAuthority.Value[5] = 0;
pisid->SubAuthority[0] = 0;
bret = TRUE;
if (!bret)
FIXME("String constant not supported: %s\n", debugstr_wn(StringSid, 2));
}
lend: