#include "ipv4.h"
#include "ipv6.h"
#include "fake-getaddrinfo.h"
+#include "xalloc.h"
#ifndef HAVE_GAI_STRERROR
-char *gai_strerror(int ecode)
-{
+char *gai_strerror(int ecode) {
switch (ecode) {
case EAI_NODATA:
return "No address associated with hostname";
case EAI_MEMORY:
return "Memory allocation failure";
+ case EAI_FAMILY:
+ return "Address family not supported";
default:
return "Unknown error";
}
#endif /* !HAVE_GAI_STRERROR */
#ifndef HAVE_FREEADDRINFO
-void freeaddrinfo(struct addrinfo *ai)
-{
+void freeaddrinfo(struct addrinfo *ai) {
struct addrinfo *next;
while(ai) {
#endif /* !HAVE_FREEADDRINFO */
#ifndef HAVE_GETADDRINFO
-static struct addrinfo *malloc_ai(uint16_t port, uint32_t addr)
-{
+static struct addrinfo *malloc_ai(uint16_t port, uint32_t addr) {
struct addrinfo *ai;
ai = xmalloc_and_zero(sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
return ai;
}
-int getaddrinfo(const char *hostname, const char *servname, const struct addrinfo *hints, struct addrinfo **res)
-{
+int getaddrinfo(const char *hostname, const char *servname, const struct addrinfo *hints, struct addrinfo **res) {
struct addrinfo *prev = NULL;
struct hostent *hp;
struct in_addr in = {0};
int i;
uint16_t port = 0;
+ if(hints && hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC)
+ return EAI_FAMILY;
+
if (servname)
port = htons(atoi(servname));
hp = gethostbyname(hostname);
- if(!hp || !hp->h_addr_list[0])
+ if(!hp || !hp->h_addr_list || !hp->h_addr_list[0])
return EAI_NODATA;
for (i = 0; hp->h_addr_list[i]; i++) {