From: Ilan Peer <ilan.peer@intel.com>
Date: Mon, 29 Feb 2016 12:29:58 +0000 (+0200)
Subject: wpa_cli: Support running action script on global control interface
X-Git-Tag: hostap_2_6~768
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c58df7ae7b7467e30f2aa47d2bbecc2d52abb21;p=thirdparty%2Fhostap.git

wpa_cli: Support running action script on global control interface

In case wpa_cli is started with an option to execute an action script,
but no interface is specified, wpa_cli might crash in wpa_cli_exec() if
arg1 == NULL. Fix this be setting arg1 = "global".

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
---

diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
index f8bf6bd6e..eecb1dca7 100644
--- a/wpa_supplicant/wpa_cli.c
+++ b/wpa_supplicant/wpa_cli.c
@@ -3659,6 +3659,10 @@ static int wpa_cli_exec(const char *program, const char *arg1,
 	size_t len;
 	int res;
 
+	/* If no interface is specified, set the global */
+	if (!arg1)
+		arg1 = "global";
+
 	len = os_strlen(arg1) + os_strlen(arg2) + 2;
 	arg = os_malloc(len);
 	if (arg == NULL)