server: Add builtin admins ACE to default registry DACL.

dlls/advapi32/tests/security.c

@@ -3012,12 +3012,12 @@ static void test_GetNamedSecurityInfoA(void)
     PSID system_sid = (PSID) system_ptr, user_sid;
     DWORD sid_size = sizeof(admin_ptr), user_size;
     char invalid_path[] = "/an invalid file path";
+    int users_ace_id = -1, admins_ace_id = -1, i;
     char software_key[] = "MACHINE\\Software";
     char sd[SECURITY_DESCRIPTOR_MIN_LENGTH];
     SECURITY_DESCRIPTOR_CONTROL control;
     ACL_SIZE_INFORMATION acl_size;
     CHAR windows_dir[MAX_PATH];
-    int users_ace_id = -1, i;
     PSECURITY_DESCRIPTOR pSD;
     ACCESS_ALLOWED_ACE *ace;
     BOOL bret = TRUE, isNT4;
@@ -3030,6 +3030,7 @@ static void test_GetNamedSecurityInfoA(void)
     PSID owner, group;
     BOOL dacl_present;
     PACL pDacl;
+    BYTE flags;
 
     if (!pSetNamedSecurityInfoA || !pGetNamedSecurityInfoA || !pCreateWellKnownSid)
     {
@@ -3228,6 +3229,8 @@ static void test_GetNamedSecurityInfoA(void)
         ok(bret, "Failed to get ACE %d.\n", i);
         bret = EqualSid(&ace->SidStart, users_sid);
         if (bret) users_ace_id = i;
+        bret = EqualSid(&ace->SidStart, admin_sid);
+        if (bret) admins_ace_id = i;
     }
     ok(users_ace_id != -1, "Bultin Users ACE not found.\n");
     if (users_ace_id != -1)
@@ -3240,7 +3243,18 @@ static void test_GetNamedSecurityInfoA(void)
         ok(ace->Mask == GENERIC_READ, "Builtin Users ACE has unexpected mask (0x%x != 0x%x)\n",
                                       ace->Mask, GENERIC_READ);
     }
-
+    ok(admins_ace_id != -1, "Bultin Admins ACE not found.\n");
+    if (admins_ace_id != -1)
+    {
+        bret = pGetAce(pDacl, admins_ace_id, (VOID **)&ace);
+        ok(bret, "Failed to get Builtin Admins ACE.\n");
+        flags = ((ACE_HEADER *)ace)->AceFlags;
+        ok(flags == 0x0
+           || broken(flags == (INHERIT_ONLY_ACE|CONTAINER_INHERIT_ACE|INHERITED_ACE)) /* w2k8 */,
+           "Builtin Admins ACE has unexpected flags (0x%x != 0x0)\n", flags);
+        ok(ace->Mask == KEY_ALL_ACCESS || broken(ace->Mask == GENERIC_ALL) /* w2k8 */,
+           "Builtin Admins ACE has unexpected mask (0x%x != 0x%x)\n", ace->Mask, KEY_ALL_ACCESS);
+    }
     LocalFree(pSD);
 }
 

server/registry.c

@@ -347,7 +347,8 @@ static struct security_descriptor *key_get_sd( struct object *obj )
     {
         size_t users_sid_len = security_sid_len( security_builtin_users_sid );
         size_t admins_sid_len = security_sid_len( security_builtin_admins_sid );
-        size_t dacl_len = sizeof(ACL) + offsetof( ACCESS_ALLOWED_ACE, SidStart ) + users_sid_len;
+        size_t dacl_len = sizeof(ACL) + 2 * offsetof( ACCESS_ALLOWED_ACE, SidStart )
+                          + users_sid_len + admins_sid_len;
         ACCESS_ALLOWED_ACE *aaa;
         ACL *dacl;
 
@@ -364,7 +365,7 @@ static struct security_descriptor *key_get_sd( struct object *obj )
         dacl->AclRevision = ACL_REVISION;
         dacl->Sbz1 = 0;
         dacl->AclSize = dacl_len;
-        dacl->AceCount = 1;
+        dacl->AceCount = 2;
         dacl->Sbz2 = 0;
         aaa = (ACCESS_ALLOWED_ACE *)(dacl + 1);
         aaa->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
@@ -372,6 +373,12 @@ static struct security_descriptor *key_get_sd( struct object *obj )
         aaa->Header.AceSize = offsetof( ACCESS_ALLOWED_ACE, SidStart ) + users_sid_len;
         aaa->Mask = GENERIC_READ;
         memcpy( &aaa->SidStart, security_builtin_users_sid, users_sid_len );
+        aaa = (ACCESS_ALLOWED_ACE *)((char *)aaa + aaa->Header.AceSize);
+        aaa->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
+        aaa->Header.AceFlags = 0;
+        aaa->Header.AceSize = offsetof( ACCESS_ALLOWED_ACE, SidStart ) + admins_sid_len;
+        aaa->Mask = KEY_ALL_ACCESS;
+        memcpy( &aaa->SidStart, security_builtin_admins_sid, admins_sid_len );
     }
     return key_default_sd;
 }