1 files changed, 90 insertions, 0 deletions
diff --git a/lib/getifname.c b/lib/getifname.c
new file mode 100644
index 0000000..6163239
--- /dev/null
+++ b/lib/getifname.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2002-2004 by Darren Reed.
+ * 
+ * See the IPFILTER.LICENCE file for details on licencing.  
+ *   
+ * $Id: getifname.c,v 1.5.2.3 2006/07/14 06:12:24 darrenr Exp $ 
+ */     
+
+#include "ipf.h"
+
+#include "kmem.h"
+
+/*
+ * Given a pointer to an interface in the kernel, return a pointer to a
+ * string which is the interface name.
+ */
+#if 0
+char *getifname(ptr)
+struct ifnet *ptr;
+{
+#if SOLARIS || defined(__hpux)
+# if SOLARIS
+#  include <sys/mutex.h>
+#  include <sys/condvar.h>
+# endif
+# ifdef __hpux
+#  include "compat.h"
+# endif
+# include "../pfil/qif.h"
+	char *ifname;
+	qif_t qif;
+
+	if ((void *)ptr == (void *)-1)
+		return "!";
+	if (ptr == NULL)
+		return "-";
+
+	if (kmemcpy((char *)&qif, (u_long)ptr, sizeof(qif)) == -1)
+		return "X";
+	ifname = strdup(qif.qf_name);
+	if ((ifname != NULL) && (*ifname == '\0')) {
+		free(ifname);
+		return "!";
+	}
+	return ifname;
+#else
+# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \
+    defined(__OpenBSD__) || \
+    (defined(__FreeBSD__) && (__FreeBSD_version >= 501113))
+#else
+	char buf[32];
+	int len;
+# endif
+	struct ifnet netif;
+
+	if ((void *)ptr == (void *)-1)
+		return "!";
+	if (ptr == NULL)
+		return "-";
+
+	if (kmemcpy((char *)&netif, (u_long)ptr, sizeof(netif)) == -1)
+		return "X";
+# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \
+    defined(__OpenBSD__) || defined(linux) || \
+    (defined(__FreeBSD__) && (__FreeBSD_version >= 501113))
+	return strdup(netif.if_xname);
+# else
+	if (kstrncpy(buf, (u_long)netif.if_name, sizeof(buf)) == -1)
+		return "X";
+	if (netif.if_unit < 10)
+		len = 2;
+	else if (netif.if_unit < 1000)
+		len = 3;
+	else if (netif.if_unit < 10000)
+		len = 4;
+	else
+		len = 5;
+	buf[sizeof(buf) - len] = '\0';
+	sprintf(buf + strlen(buf), "%d", netif.if_unit % 10000);
+	return strdup(buf);
+# endif
+#endif
+}
+#else
+char *getifname(ptr)
+struct ifnet *ptr;
+{
+	return "X";
+}
+#endif