1 files changed, 17 insertions, 0 deletions
diff --git a/libglouglou/utils.c b/libglouglou/utils.c
index 2c17eb0..2b56270 100644
--- a/libglouglou/utils.c
+++ b/libglouglou/utils.c
@@ -15,6 +15,8 @@
 #include <pwd.h>
 #include <grp.h>
 #include <string.h>
+#include <pcap.h>
+#include <dnet.h>
 
 #include "libglouglou.h"
 
@@ -198,3 +200,18 @@ droppriv(char *user, int do_chroot, char *chroot_path)
 	endpwent();
 }
 
+char *
+get_iface(char *ip) {
+	struct addr dst;
+	struct intf_entry entry;
+	char *iface;
+
+	intf = intf_open();
+	addr_aton(ip, &dst);
+	if (intf_get_dst(intf, &entry, &dst) < 0)
+		return NULL;
+	iface = addr_ntoa(&entry.intf_addr);
+	intf_close(intf);
+
+	return iface;
+}