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annotate simtool/sstdump.c @ 58:1861d9fb7751

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fc-simtool dump-lnd command implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 13 Feb 2021 21:40:38 +0000
parents bbc2821288aa
children c56e63a8725d
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9a21f4353158 fc-simtool sst-dump implemented
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1 /*
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2 * This module implements the sst-dump command,
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3 * providing a more readable form of the SIM Service Table.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <stdio.h>
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8 #include "simresp.h"
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9 #include "curfile.h"
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10 #include "file_id.h"
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11
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12 cmd_sst_dump()
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13 {
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14 int rc;
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15 unsigned byte, pos, code, nserv, linelen;
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16
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17 rc = select_op(DF_GSM);
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18 if (rc < 0)
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19 return(rc);
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20 rc = select_op(EF_SST);
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21 if (rc < 0)
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22 return(rc);
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23 rc = parse_ef_select_response();
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24 if (rc < 0)
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25 return(rc);
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26 if (curfile_structure != 0x00) {
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27 fprintf(stderr, "error: EF_SST is not transparent\n");
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28 return(-1);
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29 }
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30 if (curfile_total_size < 2) {
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31 fprintf(stderr,
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32 "error: EF_SST is shorter than spec minimum of 2 bytes\n");
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33 return(-1);
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34 }
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35 if (curfile_total_size > 256) {
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36 fprintf(stderr,
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37 "error: EF_SST is longer than our 256 byte limit\n");
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38 return(-1);
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39 }
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40 rc = readbin_op(0, curfile_total_size);
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41 if (rc < 0)
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42 return(rc);
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43 linelen = 0;
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44 for (byte = 0, nserv = 1; byte < curfile_total_size; byte++) {
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45 for (pos = 0; pos < 8; pos += 2, nserv++) {
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46 code = (sim_resp_data[byte] >> pos) & 3;
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47 if (!(code & 1))
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48 continue;
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49 if (linelen > 73) {
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50 putchar('\n');
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51 linelen = 0;
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52 }
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53 if (linelen) {
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54 putchar(' ');
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55 linelen++;
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56 }
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57 linelen += printf("%u", nserv);
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58 if (!(code & 2)) {
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59 putchar('^');
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60 linelen++;
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61 }
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62 }
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63 }
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64 if (linelen)
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65 putchar('\n');
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66 return(0);
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67 }