crypto interface

[pam_pcsc_cr.git] / pcsc_cr.c

diff --git a/pcsc_cr.c b/pcsc_cr.c
index 0354c32023e7ddfeb58fe1265bf1f8a462c9746a..50d67f12a306c0bc399dcbcfbd5672aeb4d08dbe 100644 (file)
--- a/pcsc_cr.c
+++ b/pcsc_cr.c
@@ -1,4 +1,6 @@
+#include <stdio.h>
 #include <string.h>
+#include <alloca.h>
 #include "token.h"
 #include <reader.h>
 
@@ -11,7 +13,7 @@ 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;
@@ -42,7 +44,7 @@ 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;
@@ -97,3 +99,26 @@ free_out:
 char *pcsc_errstr(long err) {
        return pcsc_stringify_error(err);
 }
+
+int pcsc_option(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;
+}