Merge pull request #16039 from taosdata/fix/userAuth

fix: fix sysdb user authentication failure

source/dnode/mnode/impl/src/mndShow.c

@@ -238,7 +238,7 @@ static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {
   } else {
     memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);
   }
-  if (mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db) != 0) {
+  if (retrieveReq.db[0] && mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db) != 0) {
     return -1;
   }
 

source/libs/catalog/src/ctgCache.c

@@ -581,6 +581,20 @@ _return:
 }
 
 int32_t ctgChkAuthFromCache(SCatalog* pCtg, char* user, char* dbFName, AUTH_TYPE type, bool *inCache, bool *pass) {
+  char *p = strchr(dbFName, '.');
+  if (p) {
+    ++p;
+  } else {
+    p = dbFName;
+  }
+  
+  if (IS_SYS_DBNAME(p)) {
+    *inCache = true;
+    *pass = true;
+    ctgDebug("sysdb %s, pass", dbFName);
+    return TSDB_CODE_SUCCESS;
+  }
+
   SCtgUserAuth *pUser = (SCtgUserAuth *)taosHashGet(pCtg->userCache, user, strlen(user));
   if (NULL == pUser) {
     ctgDebug("user not in cache, user:%s", user);

tests/script/tsim/user/privilege_sysinfo.sim

@@ -45,16 +45,16 @@ sql_error drop database db
 sql_error use db
 sql_error alter database db replica 1;
 sql_error show db.vgroups
-sql_error select * from information_schema.ins_stables where db_name = 'db'
-sql_error select * from information_schema.ins_tables where db_name = 'db'
+sql select * from information_schema.ins_stables where db_name = 'db'
+sql select * from information_schema.ins_tables where db_name = 'db'
 
 print =============== check show
-sql_error select * from information_schema.ins_users
+sql select * from information_schema.ins_users
 sql_error show cluster
-sql_error select * from information_schema.ins_dnodes
-sql_error select * from information_schema.ins_mnodes
+sql select * from information_schema.ins_dnodes
+sql select * from information_schema.ins_mnodes
 sql_error show snodes
-sql_error select * from information_schema.ins_qnodes
+sql select * from information_schema.ins_qnodes
 sql_error show bnodes
 sql_error show grants
 sql_error show dnode 1 variables;