diff --git a/runtime/net.c b/runtime/net.c
index 3610fc5..2d8de94 100644
--- a/runtime/net.c
+++ b/runtime/net.c
@@ -1181,26 +1181,24 @@ getLocalHostname(uchar **ppName)
}
char *dot = strstr(hnbuf, ".");
+ struct addrinfo *res = NULL;
if(!empty_hostname && dot == NULL) {
/* we need to (try) to find the real name via resolver */
- struct hostent *hent = gethostbyname((char*)hnbuf);
- if(hent) {
- int i = 0;
- if(hent->h_aliases) {
- const size_t hnlen = strlen(hnbuf);
- for(i = 0; hent->h_aliases[i]; i++) {
- if(!strncmp(hent->h_aliases[i], hnbuf, hnlen)
- && hent->h_aliases[i][hnlen] == '.') {
- break; /* match! */
- }
- }
- }
- if(hent->h_aliases && hent->h_aliases[i]) {
- CHKmalloc(fqdn = (uchar*)strdup(hent->h_aliases[i]));
- } else {
- CHKmalloc(fqdn = (uchar*)strdup(hent->h_name));
+ struct addrinfo flags;
+ memset(&flags, 0, sizeof(flags));
+ flags.ai_flags = AI_CANONNAME;
+ int error = getaddrinfo((char*)hnbuf, NULL, &flags, &res);
+ if (error != 0) {
+ dbgprintf("getaddrinfo: %s\n", gai_strerror(error));
+ ABORT_FINALIZE(RS_RET_IO_ERROR);
+ }
+ if (res != NULL) {
+ /* When AI_CANONNAME is set first member of res linked-list */
+ /* should contain what we need */
+ if (res->ai_canonname != NULL && res->ai_canonname[0] != '\0') {
+ CHKmalloc(fqdn = (uchar*)strdup(res->ai_canonname));
+ dot = strstr((char*)fqdn, ".");
}
- dot = strstr((char*)fqdn, ".");
}
}
@@ -1215,6 +1213,9 @@ getLocalHostname(uchar **ppName)
*ppName = fqdn;
finalize_it:
+ if (res != NULL) {
+ freeaddrinfo(res);
+ }
RETiRet;
}