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annotate simtool/readcmd.c @ 90:53e2c00566af

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fc-simtool: readbin command implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 Jan 2021 18:18:04 +0000
parents
children 226b231d00f3
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90
53e2c00566af fc-simtool: readbin command implemented
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1 #include <sys/types.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include <pcsclite.h>
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5 #include <winscard.h>
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6 #include "globals.h"
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7
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8 cmd_readbin(argc, argv)
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9 char **argv;
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10 {
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11 unsigned offset, len;
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12 u_char cmd[5];
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13 int rc;
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14
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15 offset = strtoul(argv[1], 0, 0);
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16 if (offset > 0xFFFF) {
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17 fprintf(stderr, "error: offset argument is out of range\n");
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18 return(-1);
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19 }
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20 len = strtoul(argv[2], 0, 0);
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21 if (len < 1 || len > 256) {
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22 fprintf(stderr, "error: length argument is out of range\n");
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23 return(-1);
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24 }
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25 /* READ BINARY command APDU */
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26 cmd[0] = 0xA0;
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27 cmd[1] = 0xB0;
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28 cmd[2] = offset >> 8;
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29 cmd[3] = offset;
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30 cmd[4] = len;
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31 rc = apdu_exchange(cmd, 5);
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32 if (rc < 0)
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33 return(rc);
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34 if (sim_resp_sw != 0x9000) {
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35 fprintf(stderr, "bad SW response to READ BINARY: %04X\n",
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36 sim_resp_sw);
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37 return(-1);
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38 }
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39 if (sim_resp_data_len != len) {
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40 fprintf(stderr,
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41 "error: READ BINARY returned %u bytes, expected %u\n",
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42 sim_resp_data_len, len);
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43 return(-1);
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44 }
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45 display_sim_resp_in_hex();
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46 return(0);
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47 }