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path: root/source4/lib/replace/getifaddrs.c
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Diffstat (limited to 'source4/lib/replace/getifaddrs.c')
-rw-r--r--source4/lib/replace/getifaddrs.c66
1 files changed, 16 insertions, 50 deletions
diff --git a/source4/lib/replace/getifaddrs.c b/source4/lib/replace/getifaddrs.c
index 053657475d..f66bf800eb 100644
--- a/source4/lib/replace/getifaddrs.c
+++ b/source4/lib/replace/getifaddrs.c
@@ -109,38 +109,33 @@ int rep_getifaddrs(struct ifaddrs **ifap)
/* Loop through interfaces, looking for given IP address */
for (i=n-1; i>=0; i--) {
- if (ioctl(fd, SIOCGIFADDR, &ifr[i]) != 0) {
+ if (ioctl(fd, SIOCGIFFLAGS, &ifr[i]) == -1) {
freeifaddrs(*ifap);
+ return -1;
}
curif = calloc(1, sizeof(struct ifaddrs));
- if (lastif == NULL) {
- *ifap = curif;
- } else {
- lastif->ifa_next = curif;
- }
-
curif->ifa_name = strdup(ifr[i].ifr_name);
- curif->ifa_addr = sockaddr_dup(&ifr[i].ifr_addr);
+ curif->ifa_flags = ifr[i].ifr_flags;
curif->ifa_dstaddr = NULL;
curif->ifa_data = NULL;
curif->ifa_next = NULL;
- curif->ifa_netmask = NULL;
- if (ioctl(fd, SIOCGIFFLAGS, &ifr[i]) != 0) {
- freeifaddrs(*ifap);
- return -1;
- }
-
- curif->ifa_flags = ifr[i].ifr_flags;
-
- if (ioctl(fd, SIOCGIFNETMASK, &ifr[i]) != 0) {
- freeifaddrs(*ifap);
- return -1;
- }
+ curif->ifa_addr = NULL
+ if (ioctl(fd, SIOCGIFADDR, &ifr[i]) != -1) {
+ curif->ifa_addr = sockaddr_dup(&ifr[i].ifr_addr);
+ }
- curif->ifa_netmask = sockaddr_dup(&ifr[i].ifr_addr);
+ curif->ifa_netmask = NULL;
+ if (ioctl(fd, SIOCGIFNETMASK, &ifr[i]) != -1) {
+ curif->ifa_netmask = sockaddr_dup(&ifr[i].ifr_addr);
+ }
+ if (lastif == NULL) {
+ *ifap = curif;
+ } else {
+ lastif->ifa_next = curif;
+ }
lastif = curif;
}
@@ -363,32 +358,3 @@ int rep_getifaddrs(struct ifaddrs **ifap)
return -1;
}
#endif
-
-#ifdef AUTOCONF_TEST
-/* this is the autoconf driver to test getifaddrs() */
-
- int main()
-{
- struct ifaddrs *ifs = NULL;
- int ret;
-
- ret = getifaddrs(&ifs);
- if (ret != 0) {
- perror("getifaddrs() failed");
- return 1;
- }
-
- while (ifs) {
- printf("%-10s ", ifs->ifa_name);
- if (ifs->ifa_addr != NULL &&
- ifs->ifa_addr->sa_family == AF_INET) {
- printf("IP=%s ", inet_ntoa(((struct sockaddr_in *)ifs->ifa_addr)->sin_addr));
- if (ifs->ifa_netmask != NULL)
- printf("NETMASK=%s", inet_ntoa(((struct sockaddr_in *)ifs->ifa_netmask)->sin_addr));
- }
- printf("\n");
- ifs = ifs->ifa_next;
- }
- return 0;
-}
-#endif