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advapi32: Add more helper functions. 

Add ADVAPI_GetComputerSid.
This commit is contained in:
Robert Reif 2006-07-31 06:59:43 -04:00 committed by Alexandre Julliard
parent e10f5b1d50
commit 9d43504655
2 changed files with 38 additions and 0 deletions
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1
dlls/advapi32/advapi32_misc.h
View File

@ -22,5 +22,6 @@
const char * debugstr_sid(PSID sid);
BOOL ADVAPI_IsLocalComputer(LPCWSTR ServerName);
BOOL ADVAPI_GetComputerSid(PSID sid);
#endif /* __WINE_ADVAPI32MISC_H */

37
dlls/advapi32/security.c
View File

@ -342,6 +342,43 @@ BOOL ADVAPI_IsLocalComputer(LPCWSTR ServerName)
return Result;
}
/************************************************************
* ADVAPI_GetComputerSid
*
* Reads the computer SID from the registry.
*/
BOOL ADVAPI_GetComputerSid(PSID sid)
{
HKEY key;
LONG ret;
if ((ret = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
"SECURITY\\SAM\\Domains\\Account", 0,
KEY_READ, &key)) == ERROR_SUCCESS)
{
static const WCHAR V[] = { 'V',0 };
DWORD size = 0;
ret = RegQueryValueExW(key, V, NULL, NULL, NULL, &size);
if (ret == ERROR_MORE_DATA || ret == ERROR_SUCCESS)
{
BYTE * data = HeapAlloc(GetProcessHeap(), 0, size);
if (data)
{
if ((ret = RegQueryValueExW(key, V, NULL, NULL,
data, &size)) == ERROR_SUCCESS)
{
/* the SID is in the last 24 bytes of the binary data */
CopyMemory(sid, &data[size-24], 24);
return TRUE;
}
}
}
RegCloseKey(key);
}
return FALSE;
}
/* ##############################
###### TOKEN FUNCTIONS ######
##############################