1 files changed, 106 insertions, 0 deletions
diff --git a/wsutil/interface.c b/wsutil/interface.c
new file mode 100644
index 0000000000..07fdb318b5
--- /dev/null
+++ b/wsutil/interface.c
@@ -0,0 +1,106 @@
+/* interface.c
+ * Utility functions to get infos from interfaces
+ *
+ * Copyright 2016, Dario Lombardo
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+
+#include "interface.h"
+
+#include <string.h>
+#include <wsutil/inet_addr.h>
+
+#ifdef HAVE_ARPA_INET_H
+	#include <arpa/inet.h>
+#endif
+
+#ifdef HAVE_IFADDRS_H
+	#include <ifaddrs.h>
+#endif
+
+GSList *local_interfaces_to_list(void)
+{
+	GSList *interfaces = NULL;
+#ifdef HAVE_GETIFADDRS
+	struct ifaddrs *ifap;
+	struct ifaddrs *ifa;
+	int family;
+	char ip[INET6_ADDRSTRLEN];
+
+	if (getifaddrs(&ifap)) {
+		goto end;
+	}
+
+	interfaces = g_slist_alloc();
+
+	for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) {
+		if (ifa->ifa_addr == NULL)
+			continue;
+
+		family = ifa->ifa_addr->sa_family;
+
+		memset(ip, 0x0, INET6_ADDRSTRLEN);
+
+		switch (family) {
+			case AF_INET:
+				{
+					struct sockaddr_in *addr4 = (struct sockaddr_in *)ifa->ifa_addr;
+					ws_inet_ntop4(&addr4->sin_addr, ip, sizeof(ip));
+					break;
+				}
+
+			case AF_INET6:
+				{
+					struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)ifa->ifa_addr;
+					ws_inet_ntop6(&addr6->sin6_addr, ip, sizeof(ip));
+					break;
+				}
+
+			default:
+				break;
+		}
+
+		/* skip loopback addresses */
+		if (!g_strcmp0(ip, "127.0.0.1") || !g_strcmp0(ip, "::1"))
+			continue;
+
+		if (*ip) {
+			interfaces = g_slist_prepend(interfaces, g_strdup(ip));
+		}
+	}
+end:
+#endif /* HAVE_GETIFADDRS */
+	return interfaces;
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=4 noexpandtab:
+ * :indentSize=4:tabSize=4:noTabs=false:
+ */