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fix: add get ip addr result validation

This commit is contained in:
dapan1121 2023-02-03 10:36:47 +08:00
parent 120af5da33
commit ca16ebc6e7
2 changed files with 19 additions and 2 deletions
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19
source/libs/transport/src/transCli.c
View File

@ -1045,6 +1045,12 @@ static FORCE_INLINE uint32_t cliGetIpFromFqdnCache(SHashObj* cache, char* fqdn)
uint32_t* v = taosHashGet(cache, fqdn, strlen(fqdn));
if (v == NULL) {
addr = taosGetIpv4FromFqdn(fqdn);
if (addr == 0xffffffff) {
terrno = TAOS_SYSTEM_ERROR(errno);
tError("failed to get ip from fqdn:%s since %s", fqdn, terrstr());
return addr;
}
taosHashPut(cache, fqdn, strlen(fqdn), &addr, sizeof(addr));
} else {
addr = *v;
@ -1116,9 +1122,20 @@ void cliHandleReq(SCliMsg* pMsg, SCliThrd* pThrd) {
conn->ip = strdup(EPSET_GET_INUSE_IP(&pCtx->epSet));
conn->port = EPSET_GET_INUSE_PORT(&pCtx->epSet);
uint32_t ipaddr = cliGetIpFromFqdnCache(pThrd->fqdn2ipCache, conn->ip);
if (ipaddr == 0xffffffff) {
uv_timer_stop(conn->timer);
conn->timer->data = NULL;
taosArrayPush(pThrd->timerList, &conn->timer);
conn->timer = NULL;
cliHandleExcept(conn);
return;
}
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = cliGetIpFromFqdnCache(pThrd->fqdn2ipCache, conn->ip);
addr.sin_addr.s_addr = ipaddr;
addr.sin_port = (uint16_t)htons((uint16_t)conn->port);
STraceId* trace = &(pMsg->msg.info.traceId);

2
source/os/src/osSocket.c
View File

@ -944,7 +944,7 @@ uint32_t taosGetIpv4FromFqdn(const char *fqdn) {
iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (iResult != 0) {
// printf("WSAStartup failed: %d\n", iResult);
return 1;
return 0xFFFFFFFF;
}
#endif
struct addrinfo hints = {0};