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annotate simtool/getresp.c @ 144:60411fd4b803

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simtool code: cmd_get_response() factored out of stktest.c
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 25 Feb 2021 05:44:27 +0000
parents simtool/stktest.c@a1aa8ee2da85
children c2889812788e
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1 /*
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60411fd4b803 simtool code: cmd_get_response() factored out of stktest.c
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2 * This module implements an elementary GET RESPONSE command
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include "simresp.h"
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9
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10 cmd_get_response(argc, argv, outf)
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11 char **argv;
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12 FILE *outf;
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13 {
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14 u_char cmd[5];
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15 int rc;
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16 unsigned len;
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17
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18 len = strtoul(argv[1], 0, 0);
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19 if (len < 1 || len > 256) {
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20 fprintf(stderr, "error: length argument is out of range\n");
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21 return(-1);
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22 }
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23 /* GET RESPONSE command APDU */
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24 cmd[0] = 0xA0;
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25 cmd[1] = 0xC0;
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26 cmd[2] = 0;
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27 cmd[3] = 0;
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28 cmd[4] = len;
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29 rc = apdu_exchange(cmd, 5);
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30 if (rc < 0)
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31 return(rc);
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32 if (sim_resp_sw != 0x9000) {
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33 fprintf(stderr, "bad SW resp to GET RESPONSE: %04X\n",
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34 sim_resp_sw);
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35 return(-1);
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36 }
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37 display_sim_resp_in_hex(outf);
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38 return(0);
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39 }