print card's ATR when connected

pcsc-relay/src/pcsc-relay.c

@@ -47,7 +47,6 @@ static driver_data_t *scdriver_data = NULL;
 static void daemonize(void);
 static void cleanup_exit(int signo);
 static void cleanup(void);
-static void hexdump(const char *label, unsigned char *buf, size_t len);
 
 
 #if HAVE_WORKING_FORK

pcsc-relay/src/pcsc-relay.h

@@ -58,6 +58,8 @@ extern unsigned int readernum;
 extern struct sc_driver driver_vpcd;
 extern unsigned int vpcdport;
 
+void hexdump(const char *label, unsigned char *buf, size_t len);
+
 #define LEVEL_NORMAL  0
 #define LEVEL_INFO    1
 #define LEVEL_DEBUG   2

pcsc-relay/src/pcsc.c

@@ -128,7 +128,8 @@ static int pcsc_connect(driver_data_t **driver_data)
         RELAY_ERROR("Could not connect to %s\n", reader);
         goto err;
     }
-    INFO("Connected to %s\n", reader);
+    INFO("Connected to reader %u: %s\n", i, reader);
+    hexdump("Card's ATR: ", state.rgbAtr, state.cbAtr);
 
 err:
     if (r != SCARD_S_SUCCESS) {