Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

dll/win32/netapi32/utils.c

@@ -0,0 +1,218 @@
+/*
+ * COPYRIGHT:       See COPYING in the top level directory
+ * PROJECT:         NetAPI DLL
+ * FILE:            reactos/dll/win32/netapi32/utils.c
+ * PURPOSE:         Helper functions
+ *
+ * PROGRAMMERS:     Eric Kohl
+ */
+
+/* INCLUDES ******************************************************************/
+
+#include "netapi32.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(netapi32);
+
+/* GLOBALS *******************************************************************/
+
+static SID_IDENTIFIER_AUTHORITY NtAuthority = {SECURITY_NT_AUTHORITY};
+
+/* FUNCTIONS *****************************************************************/
+
+NTSTATUS
+GetAccountDomainSid(IN PUNICODE_STRING ServerName,
+                    OUT PSID *AccountDomainSid)
+{
+    PPOLICY_ACCOUNT_DOMAIN_INFO AccountDomainInfo = NULL;
+    LSA_OBJECT_ATTRIBUTES ObjectAttributes;
+    LSA_HANDLE PolicyHandle = NULL;
+    ULONG Length = 0;
+    NTSTATUS Status;
+
+    memset(&ObjectAttributes, 0, sizeof(LSA_OBJECT_ATTRIBUTES));
+
+    Status = LsaOpenPolicy(ServerName,
+                           &ObjectAttributes,
+                           POLICY_VIEW_LOCAL_INFORMATION,
+                           &PolicyHandle);
+    if (!NT_SUCCESS(Status))
+    {
+        ERR("LsaOpenPolicy failed (Status %08lx)\n", Status);
+        return Status;
+    }
+
+    Status = LsaQueryInformationPolicy(PolicyHandle,
+                                       PolicyAccountDomainInformation,
+                                       (PVOID *)&AccountDomainInfo);
+    if (!NT_SUCCESS(Status))
+    {
+        ERR("LsaQueryInformationPolicy failed (Status %08lx)\n", Status);
+        goto done;
+    }
+
+    Length = RtlLengthSid(AccountDomainInfo->DomainSid);
+
+    *AccountDomainSid = RtlAllocateHeap(RtlGetProcessHeap(), 0, Length);
+    if (*AccountDomainSid == NULL)
+    {
+        ERR("Failed to allocate SID\n");
+        Status = STATUS_INSUFFICIENT_RESOURCES;
+        goto done;
+    }
+
+    memcpy(*AccountDomainSid, AccountDomainInfo->DomainSid, Length);
+
+done:
+    if (AccountDomainInfo != NULL)
+        LsaFreeMemory(AccountDomainInfo);
+
+    LsaClose(PolicyHandle);
+
+    return Status;
+}
+
+
+NTSTATUS
+GetBuiltinDomainSid(OUT PSID *BuiltinDomainSid)
+{
+    PSID Sid = NULL;
+    PULONG Ptr;
+    NTSTATUS Status = STATUS_SUCCESS;
+
+    *BuiltinDomainSid = NULL;
+
+    Sid = RtlAllocateHeap(RtlGetProcessHeap(),
+                          0,
+                          RtlLengthRequiredSid(1));
+    if (Sid == NULL)
+        return STATUS_INSUFFICIENT_RESOURCES;
+
+    Status = RtlInitializeSid(Sid,
+                              &NtAuthority,
+                              1);
+    if (!NT_SUCCESS(Status))
+        goto done;
+
+    Ptr = RtlSubAuthoritySid(Sid, 0);
+    *Ptr = SECURITY_BUILTIN_DOMAIN_RID;
+
+    *BuiltinDomainSid = Sid;
+
+done:
+    if (!NT_SUCCESS(Status))
+    {
+        if (Sid != NULL)
+            RtlFreeHeap(RtlGetProcessHeap(), 0, Sid);
+    }
+
+    return Status;
+}
+
+
+NTSTATUS
+OpenAccountDomain(IN SAM_HANDLE ServerHandle,
+                  IN PUNICODE_STRING ServerName,
+                  IN ULONG DesiredAccess,
+                  OUT PSAM_HANDLE DomainHandle)
+{
+    PSID DomainSid = NULL;
+    NTSTATUS Status;
+
+    Status = GetAccountDomainSid(ServerName,
+                                 &DomainSid);
+    if (!NT_SUCCESS(Status))
+    {
+        ERR("GetAccountDomainSid failed (Status %08lx)\n", Status);
+        return Status;
+    }
+
+    Status = SamOpenDomain(ServerHandle,
+                           DesiredAccess,
+                           DomainSid,
+                           DomainHandle);
+
+    RtlFreeHeap(RtlGetProcessHeap(), 0, DomainSid);
+
+    if (!NT_SUCCESS(Status))
+    {
+        ERR("SamOpenDomain failed (Status %08lx)\n", Status);
+    }
+
+    return Status;
+}
+
+
+NTSTATUS
+OpenBuiltinDomain(IN SAM_HANDLE ServerHandle,
+                  IN ULONG DesiredAccess,
+                  OUT PSAM_HANDLE DomainHandle)
+{
+    PSID DomainSid = NULL;
+    NTSTATUS Status;
+
+    Status = GetBuiltinDomainSid(&DomainSid);
+    if (!NT_SUCCESS(Status))
+    {
+        ERR("GetBuiltinDomainSid failed (Status %08lx)\n", Status);
+        return Status;
+    }
+
+    Status = SamOpenDomain(ServerHandle,
+                           DesiredAccess,
+                           DomainSid,
+                           DomainHandle);
+
+    RtlFreeHeap(RtlGetProcessHeap(), 0, DomainSid);
+
+    if (!NT_SUCCESS(Status))
+    {
+        ERR("SamOpenDomain failed (Status %08lx)\n", Status);
+    }
+
+    return Status;
+}
+
+
+NET_API_STATUS
+BuildSidFromSidAndRid(IN PSID SrcSid,
+                      IN ULONG RelativeId,
+                      OUT PSID *DestSid)
+{
+    UCHAR RidCount;
+    PSID DstSid;
+    ULONG i;
+    ULONG DstSidSize;
+    PULONG p, q;
+    NET_API_STATUS ApiStatus = NERR_Success;
+
+    RidCount = *RtlSubAuthorityCountSid(SrcSid);
+    if (RidCount >= 8)
+        return ERROR_INVALID_PARAMETER;
+
+    DstSidSize = RtlLengthRequiredSid(RidCount + 1);
+
+    ApiStatus = NetApiBufferAllocate(DstSidSize,
+                                     &DstSid);
+    if (ApiStatus != NERR_Success)
+        return ApiStatus;
+
+    RtlInitializeSid(DstSid,
+                     RtlIdentifierAuthoritySid(SrcSid),
+                     RidCount + 1);
+
+    for (i = 0; i < (ULONG)RidCount; i++)
+    {
+        p = RtlSubAuthoritySid(SrcSid, i);
+        q = RtlSubAuthoritySid(DstSid, i);
+        *q = *p;
+    }
+
+    q = RtlSubAuthoritySid(DstSid, (ULONG)RidCount);
+    *q = RelativeId;
+
+    *DestSid = DstSid;
+
+    return NERR_Success;
+}
+
+/* EOF */