[TD-5784]<fix>: fixed some potential memory leak bugs

src/plugins/http/inc/httpParser.h

@@ -17,7 +17,71 @@
 #define HTTP_PARSER_H
 #include "httpGzip.h"
 
-#define HTTP_MAX_URL 5  // http url stack size
+#define HTTP_MAX_URL 6  // http url stack size
+
+#define HTTP_CODE_CONTINUE                 100
+#define HTTP_CODE_SWITCHING_PROTOCOL       101
+#define HTTP_CODE_PROCESSING               102
+#define HTTP_CODE_EARLY_HINTS              103
+#define HTTP_CODE_OK                       200
+#define HTTP_CODE_CREATED                  201
+#define HTTP_CODE_ACCEPTED                 202
+#define HTTP_CODE_NON_AUTHORITATIVE_INFO   203
+#define HTTP_CODE_NO_CONTENT               204
+#define HTTP_CODE_RESET_CONTENT            205
+#define HTTP_CODE_PARTIAL_CONTENT          206
+#define HTTP_CODE_MULTI_STATUS             207
+#define HTTP_CODE_ALREADY_REPORTED         208
+#define HTTP_CODE_IM_USED                  226
+#define HTTP_CODE_MULTIPLE_CHOICE          300
+#define HTTP_CODE_MOVED_PERMANENTLY        301
+#define HTTP_CODE_FOUND                    302
+#define HTTP_CODE_SEE_OTHER                303
+#define HTTP_CODE_NOT_MODIFIED             304
+#define HTTP_CODE_USE_PROXY                305
+#define HTTP_CODE_UNUSED                   306
+#define HTTP_CODE_TEMPORARY_REDIRECT       307
+#define HTTP_CODE_PERMANENT_REDIRECT       308
+#define HTTP_CODE_BAD_REQUEST              400
+#define HTTP_CODE_UNAUTHORIZED             401
+#define HTTP_CODE_PAYMENT_REQUIRED         402
+#define HTTP_CODE_FORBIDDEN                403
+#define HTTP_CODE_NOT_FOUND                404
+#define HTTP_CODE_METHOD_NOT_ALLOWED       405
+#define HTTP_CODE_NOT_ACCEPTABLE           406
+#define HTTP_CODE_PROXY_AUTH_REQUIRED      407
+#define HTTP_CODE_REQUEST_TIMEOUT          408
+#define HTTP_CODE_CONFLICT                 409
+#define HTTP_CODE_GONE                     410
+#define HTTP_CODE_LENGTH_REQUIRED          411
+#define HTTP_CODE_PRECONDITION_FAILED      412
+#define HTTP_CODE_PAYLOAD_TOO_LARGE        413
+#define HTTP_CODE_URI_TOO_LARGE            414
+#define HTTP_CODE_UNSUPPORTED_MEDIA_TYPE   415
+#define HTTP_CODE_RANGE_NOT_SATISFIABLE    416
+#define HTTP_CODE_EXPECTATION_FAILED       417
+#define HTTP_CODE_IM_A_TEAPOT              418
+#define HTTP_CODE_MISDIRECTED_REQUEST      421
+#define HTTP_CODE_UNPROCESSABLE_ENTITY     422
+#define HTTP_CODE_LOCKED                   423
+#define HTTP_CODE_FAILED_DEPENDENCY        424
+#define HTTP_CODE_TOO_EARLY                425
+#define HTTP_CODE_UPGRADE_REQUIRED         426
+#define HTTP_CODE_PRECONDITION_REQUIRED    428
+#define HTTP_CODE_TOO_MANY_REQUESTS        429
+#define HTTP_CODE_REQ_HDR_FIELDS_TOO_LARGE 431
+#define HTTP_CODE_UNAVAIL_4_LEGAL_REASONS  451
+#define HTTP_CODE_INTERNAL_SERVER_ERROR    500
+#define HTTP_CODE_NOT_IMPLEMENTED          501
+#define HTTP_CODE_BAD_GATEWAY              502
+#define HTTP_CODE_SERVICE_UNAVAILABLE      503
+#define HTTP_CODE_GATEWAY_TIMEOUT          504
+#define HTTP_CODE_HTTP_VER_NOT_SUPPORTED   505
+#define HTTP_CODE_VARIANT_ALSO_NEGOTIATES  506
+#define HTTP_CODE_INSUFFICIENT_STORAGE     507
+#define HTTP_CODE_LOOP_DETECTED            508
+#define HTTP_CODE_NOT_EXTENDED             510
+#define HTTP_CODE_NETWORK_AUTH_REQUIRED    511
 
 typedef enum HTTP_PARSER_STATE {
   HTTP_PARSER_BEGIN,
@@ -36,6 +100,7 @@ typedef enum HTTP_PARSER_STATE {
   HTTP_PARSER_CHUNK,
   HTTP_PARSER_END,
   HTTP_PARSER_ERROR,
+  HTTP_PARSER_OPTIONAL_SP
 } HTTP_PARSER_STATE;
 
 typedef enum HTTP_AUTH_TYPE {

src/plugins/http/src/httpUtil.c

@@ -188,13 +188,17 @@ bool httpMallocMultiCmds(HttpContext *pContext, int32_t cmdSize, int32_t bufferS
 bool httpReMallocMultiCmdsSize(HttpContext *pContext, int32_t cmdSize) {
   HttpSqlCmds *multiCmds = pContext->multiCmds;
 
-  if (cmdSize > HTTP_MAX_CMD_SIZE) {
+  if (cmdSize <= 0 && cmdSize > HTTP_MAX_CMD_SIZE) {
     httpError("context:%p, fd:%d, user:%s, mulitcmd size:%d large then %d", pContext, pContext->fd, pContext->user,
               cmdSize, HTTP_MAX_CMD_SIZE);
     return false;
   }
 
-  multiCmds->cmds = (HttpSqlCmd *)realloc(multiCmds->cmds, (size_t)cmdSize * sizeof(HttpSqlCmd));
+  HttpSqlCmd *new_cmds = (HttpSqlCmd *)realloc(multiCmds->cmds, (size_t)cmdSize * sizeof(HttpSqlCmd));
+  if (new_cmds == NULL && multiCmds->cmds) {
+    free(multiCmds->cmds);
+  }
+  multiCmds->cmds = new_cmds;
   if (multiCmds->cmds == NULL) {
     httpError("context:%p, fd:%d, user:%s, malloc cmds:%d error", pContext, pContext->fd, pContext->user, cmdSize);
     return false;
@@ -208,13 +212,17 @@ bool httpReMallocMultiCmdsSize(HttpContext *pContext, int32_t cmdSize) {
 bool httpReMallocMultiCmdsBuffer(HttpContext *pContext, int32_t bufferSize) {
   HttpSqlCmds *multiCmds = pContext->multiCmds;
 
-  if (bufferSize > HTTP_MAX_BUFFER_SIZE) {
+  if (bufferSize <= 0 || bufferSize > HTTP_MAX_BUFFER_SIZE) {
     httpError("context:%p, fd:%d, user:%s, mulitcmd buffer size:%d large then %d", pContext, pContext->fd,
               pContext->user, bufferSize, HTTP_MAX_BUFFER_SIZE);
     return false;
   }
 
-  multiCmds->buffer = (char *)realloc(multiCmds->buffer, (size_t)bufferSize);
+  char *new_buffer = (char *)realloc(multiCmds->buffer, (size_t)bufferSize);
+  if (new_buffer == NULL && multiCmds->buffer) {
+    free(multiCmds->buffer);
+  }
+  multiCmds->buffer = new_buffer;
   if (multiCmds->buffer == NULL) {
     httpError("context:%p, fd:%d, user:%s, malloc buffer:%d error", pContext, pContext->fd, pContext->user, bufferSize);
     return false;
@@ -237,6 +245,11 @@ void httpFreeMultiCmds(HttpContext *pContext) {
 JsonBuf *httpMallocJsonBuf(HttpContext *pContext) {
   if (pContext->jsonBuf == NULL) {
     pContext->jsonBuf = (JsonBuf *)malloc(sizeof(JsonBuf));
+    if (pContext->jsonBuf == NULL) {
+      return NULL;
+    }
+
+    memset(pContext->jsonBuf, 0, sizeof(JsonBuf));
   }
 
   if (!pContext->jsonBuf->pContext) {