FreeCalypso > hg > freecalypso-hwlab
annotate simtool/saverestore.c @ 130:f691a19f191d
fc-uicc-tool skeleton started
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 04 Feb 2021 00:08:12 +0000 |
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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 <sys/file.h> |
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8 #include <sys/stat.h> |
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9 #include <stdio.h> |
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10 #include <stdlib.h> |
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11 #include <unistd.h> |
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12 #include <pcsclite.h> |
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13 #include <winscard.h> |
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14 #include "globals.h" |
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15 #include "file_id.h" |
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16 |
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17 static |
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18 savebin_transparent(outf) |
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19 FILE *outf; |
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20 { |
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21 unsigned off, cc; |
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22 int rc; |
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23 |
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24 for (off = 0; off < curfile_total_size; off += cc) { |
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25 cc = curfile_total_size - off; |
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26 if (cc > 256) |
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27 cc = 256; |
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28 rc = readbin_op(off, cc); |
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29 if (rc < 0) |
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30 return(rc); |
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31 fwrite(sim_resp_data, 1, cc, outf); |
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32 } |
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33 return(0); |
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34 } |
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35 |
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36 static |
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37 savebin_records(outf) |
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38 FILE *outf; |
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39 { |
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40 unsigned recno; |
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41 int rc; |
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42 |
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43 for (recno = 1; recno <= curfile_record_count; recno++) { |
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44 rc = readrec_op(recno, 0x04, curfile_record_len); |
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45 if (rc < 0) |
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46 return(rc); |
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47 fwrite(sim_resp_data, curfile_record_len, 1, outf); |
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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_savebin(argc, argv) |
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53 char **argv; |
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54 { |
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55 int file_id, rc; |
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56 FILE *of; |
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57 |
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58 if (isxdigit(argv[1][0]) && isxdigit(argv[1][1]) && |
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59 isxdigit(argv[1][2]) && isxdigit(argv[1][3]) && !argv[1][4]) |
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60 file_id = strtoul(argv[1], 0, 16); |
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61 else |
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62 file_id = find_symbolic_file_name(argv[1]); |
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63 if (file_id < 0) { |
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64 fprintf(stderr, |
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65 "error: file ID argument is not a hex value or a recognized symbolic name\n"); |
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66 return(-1); |
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67 } |
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68 rc = select_op(file_id); |
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69 if (rc < 0) |
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70 return(rc); |
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71 rc = parse_ef_select_response(); |
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72 if (rc < 0) |
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73 return(rc); |
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74 of = fopen(argv[2], "w"); |
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75 if (!of) { |
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76 perror(argv[2]); |
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77 return(-1); |
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78 } |
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79 switch (curfile_structure) { |
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80 case 0x00: |
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81 /* transparent */ |
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82 rc = savebin_transparent(of); |
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83 break; |
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84 case 0x01: |
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85 case 0x03: |
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86 /* record-based */ |
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87 rc = savebin_records(of); |
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88 break; |
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89 } |
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90 fclose(of); |
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91 return(rc); |
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92 } |
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93 |
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94 cmd_save_sms_bin(argc, argv) |
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95 char **argv; |
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96 { |
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97 int rc; |
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98 FILE *of; |
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99 |
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100 rc = select_op(DF_TELECOM); |
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101 if (rc < 0) |
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102 return(rc); |
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103 rc = select_op(EF_SMS); |
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104 if (rc < 0) |
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105 return(rc); |
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106 rc = parse_ef_select_response(); |
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107 if (rc < 0) |
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108 return(rc); |
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109 if (curfile_structure != 0x01 || curfile_record_len != 176) { |
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110 fprintf(stderr, |
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111 "error: EF_SMS is not linear fixed with 176-byte records\n"); |
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112 return(-1); |
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113 } |
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114 of = fopen(argv[1], "w"); |
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115 if (!of) { |
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116 perror(argv[1]); |
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117 return(-1); |
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118 } |
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119 rc = savebin_records(of); |
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120 fclose(of); |
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121 return(rc); |
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122 } |
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123 |
100
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124 static |
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125 restore_transparent(data) |
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126 u_char *data; |
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127 { |
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128 unsigned off, cc; |
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129 int rc; |
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130 |
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131 for (off = 0; off < curfile_total_size; off += cc) { |
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132 cc = curfile_total_size - off; |
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133 if (cc > 255) |
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134 cc = 255; |
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135 rc = update_bin_op(off, data + off, cc); |
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136 if (rc < 0) |
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137 return(rc); |
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138 } |
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139 return(0); |
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140 } |
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141 |
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142 static |
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143 restore_records(data) |
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144 u_char *data; |
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145 { |
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146 unsigned recno; |
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147 u_char *dp; |
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148 int rc; |
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149 |
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150 dp = data; |
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151 for (recno = 1; recno <= curfile_record_count; recno++) { |
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152 rc = update_rec_op(recno, 0x04, dp, curfile_record_len); |
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153 if (rc < 0) |
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154 return(rc); |
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155 dp += curfile_record_len; |
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156 } |
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157 return(0); |
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158 } |
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159 |
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160 cmd_restore_file(argc, argv) |
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161 char **argv; |
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162 { |
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163 int file_id, rc, fd; |
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164 struct stat st; |
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165 u_char *databuf; |
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166 |
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167 if (isxdigit(argv[1][0]) && isxdigit(argv[1][1]) && |
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168 isxdigit(argv[1][2]) && isxdigit(argv[1][3]) && !argv[1][4]) |
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169 file_id = strtoul(argv[1], 0, 16); |
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170 else |
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171 file_id = find_symbolic_file_name(argv[1]); |
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172 if (file_id < 0) { |
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173 fprintf(stderr, |
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174 "error: file ID argument is not a hex value or a recognized symbolic name\n"); |
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175 return(-1); |
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176 } |
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177 rc = select_op(file_id); |
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178 if (rc < 0) |
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179 return(rc); |
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180 rc = parse_ef_select_response(); |
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181 if (rc < 0) |
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182 return(rc); |
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183 if (!curfile_total_size) { |
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184 printf("SIM indicates file of zero length, nothing to do\n"); |
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185 return(0); |
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186 } |
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187 fd = open(argv[2], O_RDONLY); |
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188 if (fd < 0) { |
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189 perror(argv[2]); |
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190 return(-1); |
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|
191 } |
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192 fstat(fd, &st); |
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193 if ((st.st_mode & S_IFMT) != S_IFREG) { |
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194 fprintf(stderr, "error: %s is not a regular file\n", argv[2]); |
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195 close(fd); |
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196 return(-1); |
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|
197 } |
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198 if (st.st_size != curfile_total_size) { |
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199 fprintf(stderr, |
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200 "error: length of %s does not match SIM EF length of %u bytes\n", |
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201 argv[2], curfile_total_size); |
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202 close(fd); |
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203 return(-1); |
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|
204 } |
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|
205 databuf = malloc(curfile_total_size); |
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206 if (!databuf) { |
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207 perror("malloc for file data"); |
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208 close(fd); |
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|
209 return(-1); |
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|
210 } |
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|
211 read(fd, databuf, curfile_total_size); |
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|
212 close(fd); |
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|
213 switch (curfile_structure) { |
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|
214 case 0x00: |
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215 /* transparent */ |
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216 rc = restore_transparent(databuf); |
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217 break; |
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|
218 case 0x01: |
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219 /* record-based */ |
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220 rc = restore_records(databuf); |
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221 break; |
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|
222 case 0x03: |
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|
223 fprintf(stderr, "error: cyclic files are not supported\n"); |
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|
224 rc = -1; |
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|
225 } |
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|
226 free(databuf); |
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|
227 return(rc); |
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|
228 } |