process get user auth request

include/common/tmsg.h

@@ -371,15 +371,32 @@ void*   tDeserializeSCreateUserReq(void* buf, SCreateUserReq* pReq);
 
 typedef struct {
   int8_t alterType;
+  int8_t superUser;
   char   user[TSDB_USER_LEN];
   char   pass[TSDB_PASSWORD_LEN];
   char   dbname[TSDB_DB_FNAME_LEN];
-  int8_t superUser;
 } SAlterUserReq;
 
 int32_t tSerializeSAlterUserReq(void** buf, SAlterUserReq* pReq);
 void*   tDeserializeSAlterUserReq(void* buf, SAlterUserReq* pReq);
 
+typedef struct {
+  char user[TSDB_USER_LEN];
+} SGetUserAuthReq;
+
+int32_t tSerializeSGetUserAuthReq(void** buf, SGetUserAuthReq* pReq);
+void*   tDeserializeSGetUserAuthReq(void* buf, SGetUserAuthReq* pReq);
+
+typedef struct {
+  char      user[TSDB_USER_LEN];
+  int8_t    superAuth;
+  SHashObj* readDbs;
+  SHashObj* writeDbs;
+} SGetUserAuthRsp;
+
+int32_t tSerializeSGetUserAuthRsp(void** buf, SGetUserAuthRsp* pReq);
+void*   tDeserializeSGetUserAuthRsp(void* buf, SGetUserAuthRsp* pReq);
+
 typedef struct {
   int16_t colId;     // column id
   int16_t colIndex;  // column index in colList if it is a normal column or index in tagColList if a tag

include/common/tmsgdef.h

@@ -97,6 +97,7 @@ enum {
   TD_DEF_MSG_TYPE(TDMT_MND_CREATE_USER, "mnode-create-user", NULL, NULL)	
   TD_DEF_MSG_TYPE(TDMT_MND_ALTER_USER, "mnode-alter-user", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_DROP_USER, "mnode-drop-user", NULL, NULL) 
+  TD_DEF_MSG_TYPE(TDMT_MND_GET_USER_AUTH, "mnode-get-user-auth", NULL, NULL) 
   TD_DEF_MSG_TYPE(TDMT_MND_CREATE_DNODE, "mnode-create-dnode", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_CONFIG_DNODE, "mnode-config-dnode", NULL, NULL) 
   TD_DEF_MSG_TYPE(TDMT_MND_ALTER_DNODE, "mnode-alter-dnode", NULL, NULL)

source/common/src/tmsg.c

@@ -671,3 +671,71 @@ void *tDeserializeSAlterUserReq(void *buf, SAlterUserReq *pReq) {
   buf = taosDecodeFixedI8(buf, &pReq->superUser);
   return buf;
 }
+
+int32_t tSerializeSGetUserAuthReq(void **buf, SGetUserAuthReq *pReq) {
+  int32_t tlen = 0;
+  tlen += taosEncodeString(buf, pReq->user);
+  return tlen;
+}
+
+void *tDeserializeSGetUserAuthReq(void *buf, SGetUserAuthReq *pReq) {
+  buf = taosDecodeStringTo(buf, pReq->user);
+  return buf;
+}
+
+int32_t tSerializeSGetUserAuthRsp(void **buf, SGetUserAuthRsp *pReq) {
+  int32_t tlen = 0;
+  tlen += taosEncodeString(buf, pReq->user);
+  tlen += taosEncodeFixedI8(buf, pReq->superAuth);
+
+  int32_t numOfReadDbs = taosHashGetSize(pReq->readDbs);
+  int32_t numOfWriteDbs = taosHashGetSize(pReq->writeDbs);
+  tlen += taosEncodeFixedI32(buf, numOfReadDbs);
+  tlen += taosEncodeFixedI32(buf, numOfWriteDbs);
+
+  char *db = taosHashIterate(pReq->readDbs, NULL);
+  while (db != NULL) {
+    tlen += taosEncodeString(buf, db);
+    db = taosHashIterate(pReq->readDbs, db);
+  }
+
+  db = taosHashIterate(pReq->writeDbs, NULL);
+  while (db != NULL) {
+    tlen += taosEncodeString(buf, db);
+    db = taosHashIterate(pReq->writeDbs, db);
+  }
+
+  return tlen;
+}
+
+void *tDeserializeSGetUserAuthRsp(void *buf, SGetUserAuthRsp *pReq) {
+  buf = taosDecodeStringTo(buf, pReq->user);
+  buf = taosDecodeFixedI8(buf, &pReq->superAuth);
+
+  pReq->readDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
+  pReq->writeDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
+  if (pReq->readDbs == NULL || pReq->writeDbs == NULL) {
+    return NULL;
+  }
+
+  int32_t numOfReadDbs = 0;
+  int32_t numOfWriteDbs = 0;
+  buf = taosDecodeFixedI32(buf, &numOfReadDbs);
+  buf = taosDecodeFixedI32(buf, &numOfWriteDbs);
+
+  for (int32_t i = 0; i < numOfReadDbs; ++i) {
+    char db[TSDB_DB_FNAME_LEN] = {0};
+    buf = taosDecodeStringTo(buf, db);
+    int32_t len = strlen(db) + 1;
+    taosHashPut(pReq->readDbs, db, len, db, len);
+  }
+
+  for (int32_t i = 0; i < numOfWriteDbs; ++i) {
+    char db[TSDB_DB_FNAME_LEN] = {0};
+    buf = taosDecodeStringTo(buf, db);
+    int32_t len = strlen(db) + 1;
+    taosHashPut(pReq->writeDbs, db, len, db, len);
+  }
+
+  return buf;
+}

source/dnode/mgmt/impl/src/dndTransport.c

@@ -73,6 +73,7 @@ static void dndInitMsgFp(STransMgmt *pMgmt) {
   pMgmt->msgFp[TMSG_INDEX(TDMT_MND_CREATE_USER)] = dndProcessMnodeWriteMsg;
   pMgmt->msgFp[TMSG_INDEX(TDMT_MND_ALTER_USER)] = dndProcessMnodeWriteMsg;
   pMgmt->msgFp[TMSG_INDEX(TDMT_MND_DROP_USER)] = dndProcessMnodeWriteMsg;
+  pMgmt->msgFp[TMSG_INDEX(TDMT_MND_GET_USER_AUTH)] = dndProcessMnodeReadMsg;
   pMgmt->msgFp[TMSG_INDEX(TDMT_MND_CREATE_DNODE)] = dndProcessMnodeWriteMsg;
   pMgmt->msgFp[TMSG_INDEX(TDMT_MND_CONFIG_DNODE)] = dndProcessMnodeWriteMsg;
   pMgmt->msgFp[TMSG_INDEX(TDMT_MND_DROP_DNODE)] = dndProcessMnodeWriteMsg;

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

@@ -34,6 +34,7 @@ static int32_t  mndCreateUser(SMnode *pMnode, char *acct, SCreateUserReq *pCreat
 static int32_t  mndProcessCreateUserReq(SMnodeMsg *pReq);
 static int32_t  mndProcessAlterUserReq(SMnodeMsg *pReq);
 static int32_t  mndProcessDropUserReq(SMnodeMsg *pReq);
+static int32_t  mndProcessGetUserAuthReq(SMnodeMsg *pReq);
 static int32_t  mndGetUserMeta(SMnodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta);
 static int32_t  mndRetrieveUsers(SMnodeMsg *pReq, SShowObj *pShow, char *data, int32_t rows);
 static void     mndCancelGetNextUser(SMnode *pMnode, void *pIter);
@@ -51,6 +52,7 @@ int32_t mndInitUser(SMnode *pMnode) {
   mndSetMsgHandle(pMnode, TDMT_MND_CREATE_USER, mndProcessCreateUserReq);
   mndSetMsgHandle(pMnode, TDMT_MND_ALTER_USER, mndProcessAlterUserReq);
   mndSetMsgHandle(pMnode, TDMT_MND_DROP_USER, mndProcessDropUserReq);
+  mndSetMsgHandle(pMnode, TDMT_MND_GET_USER_AUTH, mndProcessGetUserAuthReq);
 
   mndAddShowMetaHandle(pMnode, TSDB_MGMT_TABLE_USER, mndGetUserMeta);
   mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_USER, mndRetrieveUsers);
@@ -574,6 +576,66 @@ DROP_USER_OVER:
   return code;
 }
 
+static int32_t mndProcessGetUserAuthReq(SMnodeMsg *pReq) {
+  SMnode         *pMnode = pReq->pMnode;
+  int32_t         code = -1;
+  SUserObj       *pUser = NULL;
+  SGetUserAuthReq authReq = {0};
+  SGetUserAuthRsp authRsp = {0};
+
+  if (tDeserializeSGetUserAuthReq(pReq->rpcMsg.pCont, &authReq) == NULL) goto GET_AUTH_OVER;
+
+  mTrace("user:%s, start to get auth", authReq.user);
+
+  pUser = mndAcquireUser(pMnode, authReq.user);
+  if (pUser == NULL) {
+    terrno = TSDB_CODE_MND_USER_NOT_EXIST;
+    goto GET_AUTH_OVER;
+  }
+
+  memcpy(authRsp.user, pUser->user, TSDB_USER_LEN);
+  authRsp.superAuth = pUser->superUser;
+  authRsp.readDbs = mndDupDbHash(pUser->readDbs);
+  authRsp.writeDbs = mndDupDbHash(pUser->writeDbs);
+
+  SSdb *pSdb = pMnode->pSdb;
+  void *pIter = NULL;
+  while (1) {
+    SDbObj *pDb = NULL;
+    pIter = sdbFetch(pSdb, SDB_DB, pIter, (void **)&pDb);
+    if (pIter == NULL) break;
+
+    if (strcmp(pDb->createUser, pUser->user) == 0) {
+      int32_t len = strlen(pDb->name) + 1;
+      taosHashPut(authRsp.readDbs, pDb->name, len, pDb->name, len);
+      taosHashPut(authRsp.writeDbs, pDb->name, len, pDb->name, len);
+    }
+
+    sdbRelease(pSdb, pDb);
+  }
+
+  int32_t contLen = tSerializeSGetUserAuthRsp(NULL, &authRsp);
+  void   *pRsp = rpcMallocCont(contLen);
+  if (pRsp == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    goto GET_AUTH_OVER;
+  }
+
+  void *pBuf = pRsp;
+  tSerializeSGetUserAuthRsp(&pBuf, &authRsp);
+
+  pReq->pCont = pRsp;
+  pReq->contLen = contLen;
+  code = 0;
+
+GET_AUTH_OVER:
+  mndReleaseUser(pMnode, pUser);
+  taosHashCleanup(authRsp.readDbs);
+  taosHashCleanup(authRsp.writeDbs);
+
+  return code;
+}
+
 static int32_t mndGetUserMeta(SMnodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta) {
   SMnode *pMnode = pReq->pMnode;
   SSdb   *pSdb = pMnode->pSdb;

source/dnode/mnode/impl/test/user/user.cpp

@@ -398,6 +398,34 @@ TEST_F(MndTestUser, 03_Alter_User) {
     ASSERT_EQ(pRsp->code, 0);
   }
 
+  {
+    SGetUserAuthReq authReq = {0};
+    strcpy(authReq.user, "u3");
+    int32_t contLen = tSerializeSGetUserAuthReq(NULL, &authReq);
+    void*   pReq = rpcMallocCont(contLen);
+    void*   pBuf = pReq;
+    tSerializeSGetUserAuthReq(&pBuf, &authReq);
+
+    SRpcMsg* pRsp = test.SendReq(TDMT_MND_GET_USER_AUTH, pReq, contLen);
+    ASSERT_NE(pRsp, nullptr);
+    ASSERT_EQ(pRsp->code, 0);
+
+    SGetUserAuthRsp authRsp = {0};
+    tDeserializeSGetUserAuthRsp(pRsp->pCont, &authRsp);
+    EXPECT_STREQ(authRsp.user, "u3");
+    EXPECT_EQ(authRsp.superAuth, 1);
+    int32_t numOfReadDbs = taosHashGetSize(authRsp.readDbs);
+    int32_t numOfWriteDbs = taosHashGetSize(authRsp.writeDbs);
+    EXPECT_EQ(numOfReadDbs, 1);
+    EXPECT_EQ(numOfWriteDbs, 0);
+
+    char* dbname = (char*)taosHashGet(authRsp.readDbs, "1.d2", 5);
+    EXPECT_STREQ(dbname, "1.d2");
+
+    taosHashCleanup(authRsp.readDbs);
+    taosHashCleanup(authRsp.writeDbs);
+  }
+
   {
     SAlterUserReq alterReq = {0};
     alterReq.alterType = TSDB_ALTER_USER_REMOVE_READ_DB;