PCSC: Debug print extra response data

This shows any extra data from USIM response and also avoids a static
analyzer warning on dead increment.

Signed-off-by: Jouni Malinen <j@w1.fi>

diff --git a/src/utils/pcsc_funcs.c b/src/utils/pcsc_funcs.c
index ec06556342de2a97298335b5a0a09f9e2a553102..d955dc4e1bddc89f828b8e2161e0058f300699fa 100644 (file)
--- a/src/utils/pcsc_funcs.c
+++ b/src/utils/pcsc_funcs.c
@@ -1406,6 +1406,12 @@ int scard_umts_auth(struct scard_data *scard, const unsigned char *_rand,
                pos += IK_LEN;
                wpa_hexdump(MSG_DEBUG, "SCARD: IK", ik, IK_LEN);
 
+               if (end > pos) {
+                       wpa_hexdump(MSG_DEBUG,
+                                   "SCARD: Ignore extra data in end",
+                                   pos, end - pos);
+               }
+
                return 0;
        }