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path: root/src/network/getifaddrs.c
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Diffstat (limited to 'src/network/getifaddrs.c')
-rw-r--r--src/network/getifaddrs.c58
1 files changed, 28 insertions, 30 deletions
diff --git a/src/network/getifaddrs.c b/src/network/getifaddrs.c
index 50eaee80..c7362639 100644
--- a/src/network/getifaddrs.c
+++ b/src/network/getifaddrs.c
@@ -137,39 +137,37 @@ int getifaddrs(struct ifaddrs **ifap)
struct ifreq reqs[32]; /* arbitrary chosen boundary */
struct ifconf conf = {.ifc_len = sizeof reqs, .ifc_req = reqs};
if(-1 == ioctl(sock, SIOCGIFCONF, &conf)) goto err;
- else {
- size_t reqitems = conf.ifc_len / sizeof(struct ifreq);
- for(head = list; head; head = (stor*)head->next) {
- size_t i;
- for(i = 0; i < reqitems; i++) {
- // get SIOCGIFADDR of active interfaces.
- if(!strcmp(reqs[i].ifr_name, head->name)) {
- head->addr.v4 = *(struct sockaddr_in*)&reqs[i].ifr_addr;
- head->ifa.ifa_addr = (struct sockaddr*) &head->addr;
- break;
- }
+ size_t reqitems = conf.ifc_len / sizeof(struct ifreq);
+ for(head = list; head; head = (stor*)head->next) {
+ size_t i;
+ for(i = 0; i < reqitems; i++) {
+ // get SIOCGIFADDR of active interfaces.
+ if(!strcmp(reqs[i].ifr_name, head->name)) {
+ head->addr.v4 = *(struct sockaddr_in*)&reqs[i].ifr_addr;
+ head->ifa.ifa_addr = (struct sockaddr*) &head->addr;
+ break;
}
- struct ifreq req;
- snprintf(req.ifr_name, sizeof req.ifr_name, "%s", head->name);
- if(-1 == ioctl(sock, SIOCGIFFLAGS, &req)) goto err;
+ }
+ struct ifreq req;
+ snprintf(req.ifr_name, sizeof req.ifr_name, "%s", head->name);
+ if(-1 == ioctl(sock, SIOCGIFFLAGS, &req)) goto err;
- head->ifa.ifa_flags = req.ifr_flags;
- if(head->ifa.ifa_addr) {
- /* or'ing flags with IFF_LOWER_UP on active interfaces to mimic glibc */
- head->ifa.ifa_flags |= IFF_LOWER_UP;
- if(-1 == ioctl(sock, SIOCGIFNETMASK, &req)) goto err;
- head->netmask.v4 = *(struct sockaddr_in*)&req.ifr_netmask;
- head->ifa.ifa_netmask = (struct sockaddr*) &head->netmask;
-
- if(head->ifa.ifa_flags & IFF_POINTOPOINT) {
- if(-1 == ioctl(sock, SIOCGIFDSTADDR, &req)) goto err;
- head->dst.v4 = *(struct sockaddr_in*)&req.ifr_dstaddr;
- } else {
- if(-1 == ioctl(sock, SIOCGIFBRDADDR, &req)) goto err;
- head->dst.v4 = *(struct sockaddr_in*)&req.ifr_broadaddr;
- }
- head->ifa.ifa_ifu.ifu_dstaddr = (struct sockaddr*) &head->dst;
+ head->ifa.ifa_flags = req.ifr_flags;
+ if(head->ifa.ifa_addr) {
+ /* or'ing flags with IFF_LOWER_UP on active interfaces to mimic glibc */
+ head->ifa.ifa_flags |= IFF_LOWER_UP;
+ if(-1 == ioctl(sock, SIOCGIFNETMASK, &req)) goto err;
+ head->netmask.v4 = *(struct sockaddr_in*)&req.ifr_netmask;
+ head->ifa.ifa_netmask = (struct sockaddr*) &head->netmask;
+
+ if(head->ifa.ifa_flags & IFF_POINTOPOINT) {
+ if(-1 == ioctl(sock, SIOCGIFDSTADDR, &req)) goto err;
+ head->dst.v4 = *(struct sockaddr_in*)&req.ifr_dstaddr;
+ } else {
+ if(-1 == ioctl(sock, SIOCGIFBRDADDR, &req)) goto err;
+ head->dst.v4 = *(struct sockaddr_in*)&req.ifr_broadaddr;
}
+ head->ifa.ifa_ifu.ifu_dstaddr = (struct sockaddr*) &head->dst;
}
}
close(sock);