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[pam_pcsc_cr.git] / pcsc_cr.c

diff --git a/pcsc_cr.c b/pcsc_cr.c
index 0354c32023e7ddfeb58fe1265bf1f8a462c9746a..984f73b2d4e9f7879fd933cbe8c0ec136c615339 100644 (file)
--- a/pcsc_cr.c
+++ b/pcsc_cr.c
@@ -1,4 +1,32 @@
+/*
+Copyright (c) 2013 Eugene Crosser
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+    1. The origin of this software must not be misrepresented; you must
+    not claim that you wrote the original software. If you use this
+    software in a product, an acknowledgment in the product documentation
+    would be appreciated but is not required.
+
+    2. Altered source versions must be plainly marked as such, and must
+    not be misrepresented as being the original software.
+
+    3. This notice may not be removed or altered from any source
+    distribution.
+*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <stdio.h>
 #include <string.h>
+#include <alloca.h>
 #include "token.h"
 #include <reader.h>
 
@@ -11,7 +39,7 @@ static struct token_interface *types[] = {
 
 SCARD_IO_REQUEST pioSendPci;
 
-static LONG find_hb(LPTSTR atr, DWORD atrsize, LPTSTR *hb, LPDWORD hbsize)
+static LONG find_hb(BYTE *atr, DWORD atrsize, BYTE **hb, LPDWORD hbsize)
 {
        int i, j, cont;
        if (atrsize < 2) return SCARD_W_UNSUPPORTED_CARD;
@@ -32,7 +60,8 @@ static LONG find_hb(LPTSTR atr, DWORD atrsize, LPTSTR *hb, LPDWORD hbsize)
        return SCARD_S_SUCCESS;
 }
 
-long pcsc_cr(unsigned char *chal, int csize, unsigned char *resp, int *rsize)
+long pcsc_cr(const unsigned char *chal, const int csize,
+               unsigned char *resp, int *rsize)
 {
        struct token_interface *type;
        LONG rc;
@@ -42,7 +71,7 @@ long pcsc_cr(unsigned char *chal, int csize, unsigned char *resp, int *rsize)
        DWORD nrdrs = SCARD_AUTOALLOCATE, activeproto;
        BYTE atr[33];
        DWORD atrsize;
-       LPTSTR hb;
+       BYTE *hb;
        DWORD hbsize;
        DWORD lrsize;
        int i;
@@ -76,17 +105,26 @@ long pcsc_cr(unsigned char *chal, int csize, unsigned char *resp, int *rsize)
                        if (rc == 0) break;
                }
                if (rc) goto disconnect;
-               rc = type->prologue(hCard, NULL);
+               rc = type->prologue(hCard);
                if (rc == 0) break;
        disconnect:
                (void)SCardDisconnect(hCard, SCARD_LEAVE_CARD);
        }
        if (rc) goto free_out;
+#if 0
+       char serial[16];
+       memset(serial, 'z', sizeof(serial));
+       serial[sizeof(serial) - 1] - '\0';
+       lrsize = sizeof(serial);
+       rc = type->getserial(hCard, &serial, &lrsize);
+       if (rc) goto disc_free_out;
+       printf("Serial is %s\n", serial);
+#endif
        lrsize = *rsize;
-       rc = type->trancieve(hCard, NULL, chal, csize, resp, &lrsize);
+       rc = type->trancieve(hCard, (BYTE*)chal, csize, resp, &lrsize);
        if (rc) goto disc_free_out;
        *rsize = lrsize;
-       rc = type->epilogue(hCard, NULL);
+       rc = type->epilogue(hCard);
 disc_free_out:
        (void)SCardDisconnect(hCard, SCARD_EJECT_CARD);
 free_out:
@@ -97,3 +135,26 @@ free_out:
 char *pcsc_errstr(long err) {
        return pcsc_stringify_error(err);
 }
+
+int pcsc_option(const char *option)
+{
+       char *name, *key, *val;
+       int i, rc = -1;
+       struct token_interface *type;
+
+       name=(char *)alloca(strlen(option)+1);
+       strcpy(name, option);
+       if ((key = strchr(name, ':'))) *(key++) = '\0';
+       else return -1;
+       if ((val = strchr(key, '='))) *(val++) = '\0';
+       else return -1;
+       if (*val == '\0') return -1;
+       for (i = 0; types[i]; i++) {
+               type = types[i];
+               if (!strcmp(type->name,name)) {
+                       rc = type->parse_option(key, val);
+                       break;
+               }
+       }
+       return rc;
+}