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advapi32: Add a computer SID to the registry.

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This commit is contained in:
Robert Reif 2006-08-03 21:47:50 -04:00 committed by Alexandre Julliard
parent 46d2886dd0
commit 1b8cfc5151
3 changed files with 41 additions and 15 deletions
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13
dlls/advapi32/lsa.c
View File

@ -462,17 +462,12 @@ NTSTATUS WINAPI LsaQueryInformationPolicy(
/* read the computer SID from the registry */
if (!ADVAPI_GetComputerSid(&(xdi->sid)))
{
SID_IDENTIFIER_AUTHORITY localSidAuthority = {SECURITY_NT_AUTHORITY};
HeapFree(GetProcessHeap(), 0, buf);
HeapFree(GetProcessHeap(), 0, xdi);
xdi->sid.Revision = SID_REVISION;
xdi->sid.SubAuthorityCount = 4;
xdi->sid.IdentifierAuthority = localSidAuthority;
xdi->sid.SubAuthority[0] = SECURITY_NT_NON_UNIQUE;
xdi->sid.SubAuthority[1] = 0;
xdi->sid.SubAuthority[2] = 0;
xdi->sid.SubAuthority[3] = 0;
WARN("Computer SID not found\n");
WARN("Computer SID not found in registry\n");
return STATUS_UNSUCCESSFUL;
}
TRACE("setting SID to %s\n", debugstr_sid(&xdi->sid));

39
dlls/advapi32/security.c
View File

@ -332,7 +332,7 @@ BOOL ADVAPI_IsLocalComputer(LPCWSTR ServerName)
if (!ServerName || !ServerName[0])
return TRUE;
buf = HeapAlloc(GetProcessHeap(), 0, dwSize * sizeof(WCHAR));
Result = GetComputerNameW(buf, &dwSize);
if (Result && (ServerName[0] == '\\') && (ServerName[1] == '\\'))
@ -352,12 +352,12 @@ BOOL ADVAPI_GetComputerSid(PSID sid)
{
HKEY key;
LONG ret;
if ((ret = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
"SECURITY\\SAM\\Domains\\Account", 0,
static const WCHAR Account[] = { 'S','E','C','U','R','I','T','Y','\\','S','A','M','\\','D','o','m','a','i','n','s','\\','A','c','c','o','u','n','t',0 };
static const WCHAR V[] = { 'V',0 };
if ((ret = RegOpenKeyExW(HKEY_LOCAL_MACHINE, 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)
@ -370,13 +370,40 @@ BOOL ADVAPI_GetComputerSid(PSID sid)
{
/* the SID is in the last 24 bytes of the binary data */
CopyMemory(sid, &data[size-24], 24);
HeapFree(GetProcessHeap(), 0, data);
RegCloseKey(key);
return TRUE;
}
HeapFree(GetProcessHeap(), 0, data);
}
}
RegCloseKey(key);
}
/* create a new random SID */
if (RegCreateKeyExW(HKEY_LOCAL_MACHINE, Account,
0, NULL, 0, KEY_ALL_ACCESS, NULL, &key, NULL) == ERROR_SUCCESS)
{
PSID new_sid;
SID_IDENTIFIER_AUTHORITY identifierAuthority = {SECURITY_NT_AUTHORITY};
DWORD id[3];
if (RtlGenRandom(&id, sizeof(id)))
{
if (AllocateAndInitializeSid(&identifierAuthority, 4, SECURITY_NT_NON_UNIQUE, id[0], id[1], id[2], 0, 0, 0, 0, &new_sid))
{
if (RegSetValueExW(key, V, 0, REG_BINARY, new_sid, GetLengthSid(new_sid)) == ERROR_SUCCESS)
{
FreeSid(new_sid);
RegCloseKey(key);
return CopySid(GetLengthSid(new_sid), sid, &new_sid);
}
FreeSid(new_sid);
}
}
RegCloseKey(key);
}
return FALSE;
}

4
include/ntsecapi.h
View File

@ -290,6 +290,10 @@ typedef enum _POLICY_NOTIFICATION_INFORMATION_CLASS
PolicyNotifyMachineAccountPasswordInformation
} POLICY_NOTIFICATION_INFORMATION_CLASS, *PPOLICY_NOTIFICATION_INFORMATION_CLASS;
#define RtlGenRandom SystemFunction036
BOOLEAN WINAPI RtlGenRandom(PVOID,ULONG);
NTSTATUS WINAPI LsaAddAccountRights(LSA_HANDLE,PSID,PLSA_UNICODE_STRING,ULONG);
NTSTATUS WINAPI LsaCallAuthenticationPackage(HANDLE,ULONG,PVOID,ULONG,PVOID*,PULONG,PNTSTATUS);
NTSTATUS WINAPI LsaClose(LSA_HANDLE);