Fix resource leaks (#1048)

src/apps/oauth/oauth.c

@@ -125,6 +125,7 @@ static int encode_token(const char* server_name,
         size_t base64encoded_etoken_length;
         const char *tmp=base64_encode((unsigned char *)(etoken.token), etoken.size, &base64encoded_etoken_length);
         STRCPY(base64encoded_etoken,tmp);
+        free(tmp);
 
         return 0;
 }
@@ -142,6 +143,7 @@ static int validate_decode_token(const char* server_name,
         const size_t base64encoded_etoken_length=strlen(base64encoded_etoken);
         const unsigned char *tmp = base64_decode(base64encoded_etoken,base64encoded_etoken_length,&etoken.size);
         memcpy(etoken.token,tmp,etoken.size);
+        free(tmp);
                         
         if (decode_oauth_token((const uint8_t *) server_name, &etoken, &key, dot) < 0) {
                 fprintf(stderr, "%s: cannot decode oauth token\n",
@@ -160,6 +162,7 @@ static void print_token_body(oauth_token* dot) {
         const char *base64encoded_nonce = base64_encode((unsigned char *)dot->enc_block.nonce, dot->enc_block.nonce_length,&base64encoded_nonce_length); 
         printf("    nonce: %s\n", base64encoded_nonce);
         printf("    nonce length: %d\n", (int) dot->enc_block.nonce_length);
+        free(base64encoded_nonce);
         printf("Token encrpyted body:\n");
         printf("{\n");
         printf("    mac key: %s\n", (char*) dot->enc_block.mac_key);

src/apps/peer/udpserver.c

@@ -77,6 +77,7 @@ static int udp_create_server_socket(server_type* server,
   udp_fd = socket(server_addr->ss.sa_family, RELAY_DGRAM_SOCKET_TYPE, RELAY_DGRAM_SOCKET_PROTOCOL);
   if (udp_fd < 0) {
     perror("socket");
+    free(server_addr);
     return -1;
   }
 

src/apps/relay/dbdrivers/dbd_mysql.c

@@ -71,6 +71,7 @@ static void MyconninfoFree(Myconninfo *co) {
 		if(co->capath) free(co->capath);
 		if(co->cipher) free(co->cipher);
 		memset(co,0,sizeof(Myconninfo));
+		free(co);
 	}
 }
 

src/apps/uclient/startuclient.c

@@ -255,10 +255,12 @@ static int clnet_connect(uint16_t clnet_remote_port, const char *remote_address,
 
 		if(remote_addr.ss.sa_family == AF_INET6) {
 			if (make_ioa_addr((const uint8_t*) "::1", 0, &local_addr) < 0) {
+			    socket_closesocket(clnet_fd);
 			    return -1;
 			}
 		} else {
 			if (make_ioa_addr((const uint8_t*) "127.0.0.1", 0, &local_addr) < 0) {
+			    socket_closesocket(clnet_fd);
 			    return -1;
 			}
 		}
@@ -268,8 +270,10 @@ static int clnet_connect(uint16_t clnet_remote_port, const char *remote_address,
 	} else if (strlen(local_address) > 0) {
 
 		if (make_ioa_addr((const uint8_t*) local_address, 0,
-			    &local_addr) < 0)
+			    &local_addr) < 0) {
+			socket_closesocket(clnet_fd);
 			return -1;
+		}
 
 		addr_bind(clnet_fd, &local_addr,0,1,get_socket_type());
 	}