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annotate simtool/sstlist.c @ 76:526193acfb3f

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doc/GrcardSIM2-WEKI-file: update with knowledge from doc/vendor/grcard2-person-script
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 09 Apr 2021 02:01:47 +0000
parents ddd767f6e15b
children
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1 /*
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2 * This module implements the sst command, listing the SIM Service Table
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3 * in a human-readable, yet very compact form: just a list of activated
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4 * (or allocated but not activated, specially marked) service numbers.
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5 */
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6
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7 #include <sys/types.h>
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8 #include <stdio.h>
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9 #include "simresp.h"
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10 #include "curfile.h"
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11 #include "file_id.h"
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12
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13 cmd_sst(argc, argv, outf)
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14 char **argv;
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15 FILE *outf;
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16 {
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17 int rc;
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18 unsigned byte, pos, code, nserv, linelen;
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19
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20 rc = select_op(DF_GSM);
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21 if (rc < 0)
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22 return(rc);
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23 rc = select_op(EF_SST);
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24 if (rc < 0)
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25 return(rc);
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26 rc = parse_ef_select_response();
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27 if (rc < 0)
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28 return(rc);
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29 if (curfile_structure != 0x00) {
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30 fprintf(stderr, "error: EF_SST is not transparent\n");
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31 return(-1);
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32 }
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33 if (curfile_total_size < 2) {
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34 fprintf(stderr,
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35 "error: EF_SST is shorter than spec minimum of 2 bytes\n");
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36 return(-1);
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37 }
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38 if (curfile_total_size > 256) {
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39 fprintf(stderr,
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40 "error: EF_SST is longer than our 256 byte limit\n");
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41 return(-1);
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42 }
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43 rc = readbin_op(0, curfile_total_size);
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44 if (rc < 0)
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45 return(rc);
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46 linelen = 0;
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47 for (byte = 0, nserv = 1; byte < curfile_total_size; byte++) {
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48 for (pos = 0; pos < 8; pos += 2, nserv++) {
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49 code = (sim_resp_data[byte] >> pos) & 3;
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50 if (!(code & 1))
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51 continue;
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52 if (linelen > 73) {
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53 putc('\n', outf);
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54 linelen = 0;
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55 }
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56 if (linelen) {
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57 putc(' ', outf);
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58 linelen++;
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59 }
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60 linelen += fprintf(outf, "%u", nserv);
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61 if (!(code & 2)) {
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62 putc('^', outf);
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63 linelen++;
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64 }
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65 }
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66 }
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67 if (linelen)
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68 putc('\n', outf);
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69 return(0);
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70 }