dbus: Restrict DeviceName size to 32 characters in setter

The maximum WPS Device Name length is 32 characters and that limit was
already enforced for the control interface and configuration files.

Signed-off-by: Purushottam Kushwaha <p.kushwaha@samsung.com>

diff --git a/wpa_supplicant/dbus/dbus_new_handlers_p2p.c b/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
index e2f0afcb70665fc9ffa9779e59cc9ee563a82ff9..73b9e20c20b049f299012781fc52131502342428 100644 (file)
--- a/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
+++ b/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
@@ -945,7 +945,8 @@ dbus_bool_t wpas_dbus_setter_p2p_device_config(
                if (os_strcmp(entry.key, "DeviceName") == 0) {
                        char *devname;
 
-                       if (entry.type != DBUS_TYPE_STRING)
+                       if (entry.type != DBUS_TYPE_STRING ||
+                           os_strlen(entry.str_value) > WPS_DEV_NAME_MAX_LEN)
                                goto error;
 
                        devname = os_strdup(entry.str_value);