FreeCalypso > hg > fc-pcsc-tools

annotate uicc/hlread.c @ 33:8a4f3d00d997

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more refactoring of (select reader by number) logic
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 12 Feb 2021 17:28:05 +0000
parents 1b1468869ccf
children d4b5a6e547ca
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22
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This module implements some high-level or user-friendly read commands.
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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 "simresp.h"
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8 #include "file_id.h"
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9
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10 cmd_iccid()
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11 {
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12 int rc;
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13 unsigned len;
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14 char buf[21];
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15
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16 rc = select_op(FILEID_MF);
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17 if (rc < 0)
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18 return(rc);
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19 rc = select_op(EF_ICCID);
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20 if (rc < 0)
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21 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
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22 rc = select_resp_get_transparent(&len);
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23 if (rc < 0)
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24 return(rc);
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25 if (len != 10) {
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26 fprintf(stderr, "error: expected transparent EF of 10 bytes\n");
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27 return(-1);
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28 }
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29 rc = readbin_op(0, 10);
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30 if (rc < 0)
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31 return(rc);
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32 decode_reversed_nibbles(sim_resp_data, 10, buf);
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33 buf[20] = '\0';
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34 printf("%s\n", buf);
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35 return(0);
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36 }