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annotate simtool/saverestore.c @ 99:2e35070d289f

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fc-simtool: savebin command implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 25 Jan 2021 00:14:19 +0000
parents
children fa7005185b84
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99
2e35070d289f fc-simtool: savebin command implemented
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This module implements commands for saving SIM file content in UNIX host
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3 * files and restoring these backups back to the SIM.
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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 <stdlib.h>
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9 #include <pcsclite.h>
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10 #include <winscard.h>
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11 #include "globals.h"
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12
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13 static
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14 savebin_transparent(outf)
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15 FILE *outf;
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16 {
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17 unsigned off, cc;
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18 int rc;
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19
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20 for (off = 0; off < curfile_total_size; off += cc) {
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21 cc = curfile_total_size - off;
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22 if (cc > 256)
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23 cc = 256;
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24 rc = readbin_op(off, cc);
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25 if (rc < 0)
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26 return(rc);
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27 fwrite(sim_resp_data, 1, cc, outf);
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28 }
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29 return(0);
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30 }
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31
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32 static
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33 savebin_records(outf)
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34 FILE *outf;
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35 {
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36 unsigned recno;
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37 int rc;
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38
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39 for (recno = 1; recno <= curfile_record_count; recno++) {
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40 rc = readrec_op(recno, 0x04, curfile_record_len);
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41 if (rc < 0)
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42 return(rc);
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43 fwrite(sim_resp_data, curfile_record_len, 1, outf);
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44 }
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45 return(0);
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46 }
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47
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48 cmd_savebin(argc, argv)
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49 char **argv;
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50 {
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51 int file_id, rc;
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52 unsigned readlen;
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53 FILE *of;
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54
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55 if (isxdigit(argv[1][0]) && isxdigit(argv[1][1]) &&
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56 isxdigit(argv[1][2]) && isxdigit(argv[1][3]) && !argv[1][4])
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57 file_id = strtoul(argv[1], 0, 16);
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58 else
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59 file_id = find_symbolic_file_name(argv[1]);
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60 if (file_id < 0) {
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61 fprintf(stderr,
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62 "error: file ID argument is not a hex value or a recognized symbolic name\n");
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63 return(-1);
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64 }
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65 rc = select_op(file_id);
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66 if (rc < 0)
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67 return(rc);
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68 rc = parse_ef_select_response();
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69 if (rc < 0)
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70 return(rc);
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71 of = fopen(argv[2], "w");
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72 if (!of) {
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73 perror(argv[2]);
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74 return(-1);
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75 }
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76 switch (curfile_structure) {
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77 case 0x00:
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78 /* transparent */
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79 rc = savebin_transparent(of);
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80 break;
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81 case 0x01:
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82 case 0x03:
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83 /* record-based */
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84 rc = savebin_records(of);
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85 break;
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86 }
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87 fclose(of);
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88 return(rc);
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89 }