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Replace obsolete gethostbyname by getaddrinfo

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This also protect against the latest glibc bug
This commit is contained in:
CurlyMoo
2015-01-27 22:45:34 +01:00
parent 6b6637c337
commit 10d0bfdab4
1 changed files with 22 additions and 8 deletions
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mongoose.c
+22 -8
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@@ -593,14 +593,28 @@ int ns_socketpair(sock_t sp[2]) {
// TODO(lsm): use non-blocking resolver
static int ns_resolve2(const char *host, struct in_addr *ina) {
struct hostent *he;
if ((he = gethostbyname(host)) == NULL) {
DBG(("gethostbyname(%s) failed: %s", host, strerror(errno)));
} else {
memcpy(ina, he->h_addr_list[0], sizeof(*ina));
return 1;
}
return 0;
int rv = 0;
struct addrinfo hints, *servinfo, *p;
struct sockaddr_in *h = NULL;
char *ip = malloc(17);
memset(ip, '\0', 17);
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
if((rv = getaddrinfo(host, NULL , NULL, &servinfo)) != 0) {
return 0;
}
for(p = servinfo; p != NULL; p = p->ai_next) {
memcpy(&h, &p->ai_addr, sizeof(struct sockaddr_in *));
memcpy(ina, &h->sin_addr, sizeof(ina));
}
freeaddrinfo(servinfo);
return 1;
}
// Resolve FDQN "host", store IP address in the "ip".