added vpcd-config

virtualsmartcard/src/vpcd-config/vpcd-config.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2014 Frank Morgner
+ *
+ * This file is part of virtualsmartcard.
+ *
+ * virtualsmartcard is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * virtualsmartcard is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * virtualsmartcard.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "vpcd.h"
+
+extern const char *local_ip (void);
+
+/* pcscd allows at most 16 readers. We will use 10.
+ * See PCSCLITE_MAX_READERS_CONTEXTS in pcsclite.h */
+#include <pcsclite.h>
+#define VICC_MAX_SLOTS \
+        (PCSCLITE_MAX_READERS_CONTEXTS > 6 ? \
+        PCSCLITE_MAX_READERS_CONTEXTS-6 : 1)
+
+#define ERROR_STRING "Unable to guess local IP address"
+
+
+
+#ifdef HAVE_QRENCODE
+
+#include "qransi.c"
+
+void print_qrcode(const char *uri)
+{
+    qransi (uri);
+}
+
+#else
+
+void print_qrcode(const char *uri)
+{
+    printf("https://api.qrserver.com/v1/create-qr-code/?data=%s\n", uri);
+}
+#endif
+
+
+ 
+int main ( int argc , char *argv[] )
+{
+    char slot;
+    char uri[60];
+    const char *ip = NULL;
+    int fail = 1, port;
+
+    ip = local_ip();
+    if (!ip)
+        goto err;
+
+    for (slot = 1; slot < VICC_MAX_SLOTS; slot++) {
+        port = VPCDPORT+slot-1;
+        printf("VPCD hostname:  %s\n", ip);
+        printf("VPCD port:      %d\n", port);
+        printf("On your NFC phone with the Remote Smart Card Reader app scan this code:\n", port);
+        sprintf(uri, "vpcd://%s:%d", ip, port);
+        print_qrcode(uri);
+        puts("");
+    }
+ 
+    fail = 0;
+
+err:
+    return fail;
+}