.su objects to gitignore

[pam_pcsc_cr.git] / ykneo.c

diff --git a/ykneo.c b/ykneo.c
index 2510e18d307ab3f68a3d27a1f50f784c677eae38..62a422d3194d726ee260c08a08e38f5144b713b1 100644 (file)
--- a/ykneo.c
+++ b/ykneo.c
@@ -1,3 +1,30 @@
+/*
+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 <stdlib.h>
 #include <string.h>
 #include <alloca.h>
@@ -8,11 +35,12 @@
 
 static const BYTE selcmd[] = {0x00, 0xA4, 0x04, 0x00, 0x07, 0xA0,
                                0x00, 0x00, 0x05, 0x27, 0x20, 0x01, 0x00};
-static const BYTE cr_cmd[] = {0x00, 0x01, 0xff, 0x00};
+static const BYTE yk_cmd[] = {0x00, 0x01, 0xff, 0x00};
 
 static BYTE cr_for_slot[3] = {0xff, 0x30, 0x38};
 
-static int slot;
+static int slot = 2;   /* second by default, people tend to leave */
+                       /* the first with factory settings.        */
 
 static int ykn_parse_option(char *key, char *val)
 {
@@ -52,6 +80,28 @@ static DWORD ykn_prologue(SCARDHANDLE hCard)
        else return SCARD_W_CARD_NOT_AUTHENTICATED;
 }
 
+static DWORD ykn_getserial(SCARDHANDLE hCard, BYTE *recv, LPDWORD recvsize_p)
+{
+       DWORD rc;
+       BYTE rbuf[4 + 2];
+       DWORD rsize = sizeof(rbuf);
+       BYTE sbuf[sizeof(yk_cmd) + 1];
+       unsigned int serial;
+
+       memcpy(sbuf, yk_cmd, sizeof(yk_cmd));
+       sbuf[2] = 0x10; /* read serial */
+       sbuf[4] = rsize;
+       rc = SCardTransmit(hCard, &pioSendPci, sbuf, sizeof(sbuf),
+                       NULL, rbuf, &rsize);
+       if (rc) return rc;
+       if ((rbuf[rsize-2] != 0x90) || (rbuf[rsize-1] != 0x00))
+               return SCARD_W_CARD_NOT_AUTHENTICATED;
+       serial = (rbuf[0]<<24) + (rbuf[1]<<16) + (rbuf[2]<<8) + (rbuf[3]);
+       rc = snprintf((char*)recv, *recvsize_p, "%u", serial);
+       *recvsize_p = rc;
+       return SCARD_S_SUCCESS;
+}
+
 static DWORD ykn_trancieve(SCARDHANDLE hCard,
        BYTE *send, DWORD sendsize, BYTE *recv, LPDWORD recvsize_p)
 {
@@ -59,10 +109,10 @@ static DWORD ykn_trancieve(SCARDHANDLE hCard,
        DWORD rsize = *recvsize_p + 2;
        BYTE *rbuf = alloca(rsize);
        BYTE *sbuf = alloca(sendsize + 6);
-       memcpy(sbuf, cr_cmd, sizeof(cr_cmd));
+       memcpy(sbuf, yk_cmd, sizeof(yk_cmd));
        sbuf[2] = cr_for_slot[slot];
-       sbuf[sizeof(cr_cmd)] = sendsize;
-       memcpy(sbuf + sizeof(cr_cmd) + 1, send, sendsize);
+       sbuf[sizeof(yk_cmd)] = sendsize;
+       memcpy(sbuf + sizeof(yk_cmd) + 1, send, sendsize);
        sbuf[sendsize + 5] = rsize;
        rc = SCardTransmit(hCard, &pioSendPci, sbuf, sendsize + 6,
                NULL, rbuf, &rsize);
@@ -84,6 +134,7 @@ struct token_interface ykneo_interface = {
        .parse_option   = ykn_parse_option,
        .check_atr_hb   = ykn_check_atr_hb,
        .prologue       = ykn_prologue,
+       .getserial      = ykn_getserial,
        .trancieve      = ykn_trancieve,
        .epilogue       = ykn_epilogue,
 };