1 files changed, 102 insertions, 0 deletions
diff --git a/netspeed/src/backend.c b/netspeed/src/backend.c
index 110173d6..5eb67319 100644
--- a/netspeed/src/backend.c
+++ b/netspeed/src/backend.c
@@ -27,6 +27,12 @@
 #include <sys/sockio.h>
 #endif
 
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <ifaddrs.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
 #include <glib.h>
 #include <glib/gi18n.h>
 #include <glibtop/netlist.h>
@@ -105,6 +111,102 @@ get_available_devices (void)
 return device_glist;
 }
 
+GSList*
+get_ip_address_list (const char *iface_name,
+ gboolean ipv4)
+{
+ GSList *list = NULL;
+ struct ifaddrs *ifaces;
+
+ if (getifaddrs (&ifaces) != -1) {
+ int family;
+ char ip[INET6_ADDRSTRLEN];
+
+ family = ipv4 ? AF_INET : AF_INET6;
+ for (struct ifaddrs *iface = ifaces; iface != NULL; iface = iface->ifa_next) {
+ if (iface->ifa_addr == NULL)
+ continue;
+
+ if ((iface->ifa_addr->sa_family == family) &&
+ !g_strcmp0 (iface->ifa_name, iface_name))
+ {
+ unsigned int netmask = 0;
+ void *sinx_addr = NULL;
+
+ if (iface->ifa_addr->sa_family == AF_INET6) {
+ struct sockaddr_in6 ip6_addr;
+ struct sockaddr_in6 ip6_network;
+ uint32_t ip6_netmask = 0;
+ const char *scope;
+ int i;
+
+ memcpy (&ip6_addr, iface->ifa_addr, sizeof (struct sockaddr_in6));
+ memcpy (&ip6_network, iface->ifa_netmask, sizeof (struct sockaddr_in6));
+
+ /* get network scope */
+ if (IN6_IS_ADDR_LINKLOCAL (&ip6_addr.sin6_addr)) {
+ scope = _("link-local");
+ } else if (IN6_IS_ADDR_SITELOCAL (&ip6_addr.sin6_addr)) {
+ scope = _("site-local");
+ } else if (IN6_IS_ADDR_V4MAPPED (&ip6_addr.sin6_addr)) {
+ scope = _("v4mapped");
+ } else if (IN6_IS_ADDR_V4COMPAT (&ip6_addr.sin6_addr)) {
+ scope = _("v4compat");
+ } else if (IN6_IS_ADDR_LOOPBACK (&ip6_addr.sin6_addr)) {
+ scope = _("host");
+ } else if (IN6_IS_ADDR_UNSPECIFIED (&ip6_addr.sin6_addr)) {
+ scope = _("unspecified");
+ } else {
+ scope = _("global");
+ }
+
+ /* get network ip */
+ sinx_addr = &ip6_addr.sin6_addr;
+ inet_ntop (iface->ifa_addr->sa_family, sinx_addr, ip, sizeof (ip));
+
+ /* get network mask length */
+ for (i = 0; i < 4; i++) {
+ ip6_netmask = ntohl (((uint32_t*)(&ip6_network.sin6_addr))[i]);
+ while (ip6_netmask) {
+ netmask++;
+ ip6_netmask <<= 1;
+ }
+ }
+
+ list = g_slist_prepend (list,
+ g_strdup_printf ("%s: %s/%u",
+ scope, ip, netmask));
+ } else {
+ struct sockaddr_in ip4_addr;
+ struct sockaddr_in ip4_network;
+ in_addr_t ip4_netmask = 0;
+
+ memcpy (&ip4_addr, iface->ifa_addr, sizeof (struct sockaddr_in));
+ memcpy (&ip4_network, iface->ifa_netmask, sizeof (struct sockaddr_in));
+
+ /* get network ip */
+ sinx_addr = &ip4_addr.sin_addr;
+ inet_ntop (iface->ifa_addr->sa_family, sinx_addr, ip, sizeof (ip));
+
+ /* get network mask length */
+ ip4_netmask = ntohl (ip4_network.sin_addr.s_addr);
+ while (ip4_netmask) {
+ netmask++;
+ ip4_netmask <<= 1;
+ }
+
+ list = g_slist_prepend (list,
+ g_strdup_printf ("%s/%u", ip, netmask));
+ }
+ }
+ }
+ if (list != NULL)
+ list = g_slist_sort (list, (GCompareFunc) g_strcmp0);
+ freeifaddrs (ifaces);
+ }
+ return list;
+}
+
 const gchar*
 get_default_route (void)
 {