From 3b3677b3bc44d2c0173c369f57af605ecd19b8c5 Mon Sep 17 00:00:00 2001
From: Jouni Malinen <j@w1.fi>
Date: Thu, 20 Aug 2015 23:13:33 +0300
Subject: [PATCH] eapol_test: Allow interface name to be specified

The new -i<ifname> command line argument can be used to specify the name
of the interface to use. This is mainly to allow unique control
interface names to be defined without having to use multiple
directories.

Signed-off-by: Jouni Malinen <j@w1.fi>
---
 wpa_supplicant/eapol_test.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/wpa_supplicant/eapol_test.c b/wpa_supplicant/eapol_test.c
index bde7508b7..efb069d75 100644
--- a/wpa_supplicant/eapol_test.c
+++ b/wpa_supplicant/eapol_test.c
@@ -911,7 +911,7 @@ ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
 static void wpa_init_conf(struct eapol_test_data *e,
 			  struct wpa_supplicant *wpa_s, const char *authsrv,
 			  int port, const char *secret,
-			  const char *cli_addr)
+			  const char *cli_addr, const char *ifname)
 {
 	struct hostapd_radius_server *as;
 	int res;
@@ -919,7 +919,7 @@ static void wpa_init_conf(struct eapol_test_data *e,
 	wpa_s->bssid[5] = 1;
 	os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
 	e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
-	os_strlcpy(wpa_s->ifname, "test", sizeof(wpa_s->ifname));
+	os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
 
 	e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
 	assert(e->radius_conf != NULL);
@@ -1161,7 +1161,7 @@ static void usage(void)
 	       "           [-M<client MAC address>] [-o<server cert file] \\\n"
 	       "           [-N<attr spec>] [-R<PC/SC reader>] "
 	       "[-P<PC/SC PIN>] \\\n"
-	       "           [-A<client IP>]\n"
+	       "           [-A<client IP>] [-i<ifname>]\n"
 	       "eapol_test scard\n"
 	       "eapol_test sim <PIN> <num triplets> [debug]\n"
 	       "\n");
@@ -1216,6 +1216,7 @@ int main(int argc, char *argv[])
 	int timeout = 30;
 	char *pos;
 	struct extra_radius_attr *p = NULL, *p1;
+	const char *ifname = "test";
 
 	if (os_program_init())
 		return -1;
@@ -1231,7 +1232,7 @@ int main(int argc, char *argv[])
 	wpa_debug_show_keys = 1;
 
 	for (;;) {
-		c = getopt(argc, argv, "a:A:c:C:eM:nN:o:p:P:r:R:s:St:W");
+		c = getopt(argc, argv, "a:A:c:C:ei:M:nN:o:p:P:r:R:s:St:W");
 		if (c < 0)
 			break;
 		switch (c) {
@@ -1250,6 +1251,9 @@ int main(int argc, char *argv[])
 		case 'e':
 			eapol_test.req_eap_key_name = 1;
 			break;
+		case 'i':
+			ifname = optarg;
+			break;
 		case 'M':
 			if (hwaddr_aton(optarg, eapol_test.own_addr)) {
 				usage();
@@ -1374,7 +1378,7 @@ int main(int argc, char *argv[])
 	}
 
 	wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
-		      cli_addr);
+		      cli_addr, ifname);
 	wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
 	if (wpa_s.ctrl_iface == NULL) {
 		printf("Failed to initialize control interface '%s'.\n"