FreeCalypso > hg > fc-pcsc-tools
annotate simtool/restorebin.c @ 21:d4dc86195382
GSM7 quoted string output factored out, uses new escapes
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 12 Feb 2021 04:16:35 +0000 |
parents | a6ca422323b9 |
children | 54cebab70c19 |
rev | line source |
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1 /* |
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2 * This module implements the restore-file command; this command |
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3 * reads binary files previously saved with the savebin command |
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4 * and writes the backed-up bits back to the SIM. |
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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 <sys/file.h> |
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9 #include <sys/stat.h> |
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10 #include <ctype.h> |
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11 #include <stdio.h> |
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12 #include <stdlib.h> |
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13 #include <unistd.h> |
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14 #include "curfile.h" |
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15 |
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16 static |
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17 restore_transparent(data) |
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18 u_char *data; |
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19 { |
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20 unsigned off, cc; |
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21 int rc; |
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22 |
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23 for (off = 0; off < curfile_total_size; off += cc) { |
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24 cc = curfile_total_size - off; |
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25 if (cc > 255) |
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26 cc = 255; |
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27 rc = update_bin_op(off, data + off, cc); |
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28 if (rc < 0) |
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29 return(rc); |
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30 } |
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31 return(0); |
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32 } |
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33 |
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34 static |
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35 restore_records(data) |
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36 u_char *data; |
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37 { |
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38 unsigned recno; |
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39 u_char *dp; |
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40 int rc; |
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41 |
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42 dp = data; |
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43 for (recno = 1; recno <= curfile_record_count; recno++) { |
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44 rc = update_rec_op(recno, 0x04, dp, curfile_record_len); |
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45 if (rc < 0) |
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46 return(rc); |
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47 dp += curfile_record_len; |
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48 } |
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49 return(0); |
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50 } |
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51 |
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52 cmd_restore_file(argc, argv) |
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53 char **argv; |
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54 { |
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55 int file_id, rc, fd; |
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56 struct stat st; |
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57 u_char *databuf; |
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58 |
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59 if (isxdigit(argv[1][0]) && isxdigit(argv[1][1]) && |
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60 isxdigit(argv[1][2]) && isxdigit(argv[1][3]) && !argv[1][4]) |
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61 file_id = strtoul(argv[1], 0, 16); |
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62 else |
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63 file_id = find_symbolic_file_name(argv[1]); |
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64 if (file_id < 0) { |
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65 fprintf(stderr, |
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66 "error: file ID argument is not a hex value or a recognized symbolic name\n"); |
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67 return(-1); |
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68 } |
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69 rc = select_op(file_id); |
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70 if (rc < 0) |
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71 return(rc); |
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72 rc = parse_ef_select_response(); |
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73 if (rc < 0) |
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74 return(rc); |
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75 if (!curfile_total_size) { |
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76 printf("SIM indicates file of zero length, nothing to do\n"); |
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77 return(0); |
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78 } |
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79 fd = open(argv[2], O_RDONLY); |
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80 if (fd < 0) { |
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81 perror(argv[2]); |
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82 return(-1); |
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83 } |
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84 fstat(fd, &st); |
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85 if ((st.st_mode & S_IFMT) != S_IFREG) { |
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86 fprintf(stderr, "error: %s is not a regular file\n", argv[2]); |
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87 close(fd); |
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88 return(-1); |
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89 } |
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90 if (st.st_size != curfile_total_size) { |
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91 fprintf(stderr, |
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92 "error: length of %s does not match SIM EF length of %u bytes\n", |
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93 argv[2], curfile_total_size); |
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94 close(fd); |
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95 return(-1); |
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96 } |
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97 databuf = malloc(curfile_total_size); |
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98 if (!databuf) { |
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99 perror("malloc for file data"); |
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100 close(fd); |
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101 return(-1); |
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102 } |
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103 read(fd, databuf, curfile_total_size); |
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104 close(fd); |
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105 switch (curfile_structure) { |
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106 case 0x00: |
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107 /* transparent */ |
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108 rc = restore_transparent(databuf); |
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109 break; |
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110 case 0x01: |
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111 /* record-based */ |
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112 rc = restore_records(databuf); |
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113 break; |
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114 case 0x03: |
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115 fprintf(stderr, "error: cyclic files are not supported\n"); |
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116 rc = -1; |
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117 } |
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118 free(databuf); |
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119 return(rc); |
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120 } |