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annotate uicc/hlread.c @ 151:d515cfbb3f39

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fc-simtool: hex string parsing: add minimum length parameter
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 07 Feb 2021 00:18:30 +0000
parents 69628bcfec17
children
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69628bcfec17 fc-uicc-tool: iccid command implemented
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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 <stdlib.h>
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8 #include <pcsclite.h>
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9 #include <winscard.h>
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10 #include "globals.h"
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11 #include "file_id.h"
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12
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13 encode_hex_digit(d)
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14 unsigned d;
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15 {
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16 if (d <= 9)
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17 return(d + '0');
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18 else
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19 return(d - 10 + 'A');
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20 }
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21
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22 decode_reversed_nibbles(bytes, nbytes, dest)
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23 u_char *bytes;
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24 unsigned nbytes;
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25 char *dest;
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26 {
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27 u_char *sp;
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28 char *dp;
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29 unsigned n, c;
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30
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31 sp = bytes;
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32 dp = dest;
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33 for (n = 0; n < nbytes; n++) {
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34 c = *sp & 0xF;
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35 *dp++ = encode_hex_digit(c);
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36 c = *sp >> 4;
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37 *dp++ = encode_hex_digit(c);
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38 sp++;
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39 }
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40 }
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41
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42 cmd_iccid()
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43 {
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44 int rc;
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45 unsigned len;
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46 char buf[21];
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47
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48 rc = select_op(FILEID_MF);
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49 if (rc < 0)
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50 return(rc);
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51 rc = select_op(EF_ICCID);
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52 if (rc < 0)
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53 return(rc);
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54 rc = select_resp_get_transparent(&len);
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55 if (rc < 0)
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56 return(rc);
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57 if (len != 10) {
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58 fprintf(stderr, "error: expected transparent EF of 10 bytes\n");
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59 return(-1);
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60 }
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61 rc = readbin_op(0, 10);
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62 if (rc < 0)
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63 return(rc);
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64 decode_reversed_nibbles(sim_resp_data, 10, buf);
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65 buf[20] = '\0';
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66 printf("%s\n", buf);
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67 return(0);
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68 }