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annotate simtool/plmnsel.c @ 93:1743802e494e

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doc/Low-level-commands: savebin command documented
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 17 Feb 2021 19:35:56 +0000
parents 4eb447be01c0
children d2e800abd257
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4eb447be01c0 fc-simtool plmnsel-dump implemented
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1 /*
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2 * This module implements commands for working with EF_PLMNsel.
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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 "curfile.h"
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9 #include "file_id.h"
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10
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11 static
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12 select_ef_plmnsel()
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13 {
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14 int rc;
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15
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16 rc = select_op(DF_GSM);
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17 if (rc < 0)
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18 return(rc);
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19 rc = select_op(EF_PLMNsel);
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20 if (rc < 0)
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21 return(rc);
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22 rc = parse_ef_select_response();
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23 if (rc < 0)
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24 return(rc);
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25 if (curfile_structure != 0x00) {
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26 fprintf(stderr, "error: EF_PLMNsel is not transparent\n");
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27 return(-1);
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28 }
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29 if (curfile_total_size < 24) {
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30 fprintf(stderr,
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31 "error: EF_PLMNsel is shorter than spec minimum of 24 bytes\n");
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32 return(-1);
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33 }
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34 if (curfile_total_size > 255) {
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35 fprintf(stderr,
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36 "error: EF_PLMNsel is longer than our 255 byte limit\n");
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37 return(-1);
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38 }
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39 if (curfile_total_size % 3) {
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40 fprintf(stderr,
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41 "error: EF_PLMNsel length is not a multiple of 3 bytes\n");
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42 return(-1);
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43 }
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44 return(0);
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45 }
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46
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47 cmd_plmnsel_dump()
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48 {
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49 int rc, gap_flag;
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50 u_char *dp, *endp;
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51 char ascbuf[8];
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52 unsigned idx, linelen;
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53
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54 rc = select_ef_plmnsel();
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55 if (rc < 0)
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56 return(rc);
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57 rc = readbin_op(0, curfile_total_size);
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58 if (rc < 0)
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59 return(rc);
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60 dp = sim_resp_data;
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61 endp = sim_resp_data + sim_resp_data_len;
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62 gap_flag = 0;
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63 linelen = 0;
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64 for (idx = 0; dp < endp; idx++, dp += 3) {
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65 if (dp[0] == 0xFF && dp[1] == 0xFF && dp[2] == 0xFF) {
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66 gap_flag = 1;
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67 continue;
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68 }
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69 if (gap_flag) {
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70 if (linelen) {
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71 putchar('\n');
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72 linelen = 0;
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73 }
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74 printf("GAP, continuing at index %u:\n", idx);
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75 gap_flag = 0;
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76 }
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77 if (linelen >= 10) {
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78 putchar('\n');
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79 linelen = 0;
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80 }
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81 decode_plmn_3bytes(dp, ascbuf, 1);
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82 if (linelen)
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83 putchar(' ');
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84 fputs(ascbuf, stdout);
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85 linelen++;
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86 }
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87 if (linelen)
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88 putchar('\n');
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89 return(0);
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90 }