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annotate simtool/saverestore.c @ 6:2c72709e0891

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EF_DIR dump meaty function factored out into libcommon
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 11 Feb 2021 23:42:53 +0000
parents 2071b28cd0c7
children
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1
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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 "simresp.h"
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13 #include "curfile.h"
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14 #include "file_id.h"
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15
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16 static
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17 savebin_transparent(outf)
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18 FILE *outf;
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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 > 256)
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26 cc = 256;
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27 rc = readbin_op(off, cc);
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28 if (rc < 0)
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29 return(rc);
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30 fwrite(sim_resp_data, 1, cc, outf);
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31 }
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32 return(0);
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33 }
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34
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35 static
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36 savebin_records(outf)
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37 FILE *outf;
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38 {
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39 unsigned recno;
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40 int rc;
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41
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42 for (recno = 1; recno <= curfile_record_count; recno++) {
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43 rc = readrec_op(recno, 0x04, curfile_record_len);
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44 if (rc < 0)
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45 return(rc);
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46 fwrite(sim_resp_data, curfile_record_len, 1, outf);
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47 }
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48 return(0);
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49 }
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50
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51 cmd_savebin(argc, argv)
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52 char **argv;
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53 {
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54 int file_id, rc;
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55 FILE *of;
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56
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57 if (isxdigit(argv[1][0]) && isxdigit(argv[1][1]) &&
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58 isxdigit(argv[1][2]) && isxdigit(argv[1][3]) && !argv[1][4])
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59 file_id = strtoul(argv[1], 0, 16);
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60 else
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61 file_id = find_symbolic_file_name(argv[1]);
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62 if (file_id < 0) {
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63 fprintf(stderr,
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64 "error: file ID argument is not a hex value or a recognized symbolic name\n");
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65 return(-1);
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66 }
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67 rc = select_op(file_id);
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68 if (rc < 0)
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69 return(rc);
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70 rc = parse_ef_select_response();
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71 if (rc < 0)
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72 return(rc);
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73 of = fopen(argv[2], "w");
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74 if (!of) {
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75 perror(argv[2]);
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76 return(-1);
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77 }
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78 switch (curfile_structure) {
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79 case 0x00:
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80 /* transparent */
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81 rc = savebin_transparent(of);
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82 break;
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83 case 0x01:
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84 case 0x03:
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85 /* record-based */
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86 rc = savebin_records(of);
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87 break;
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88 }
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89 fclose(of);
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90 return(rc);
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91 }
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92
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93 cmd_save_sms_bin(argc, argv)
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94 char **argv;
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95 {
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96 int rc;
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97 FILE *of;
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98
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99 rc = select_op(DF_TELECOM);
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100 if (rc < 0)
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101 return(rc);
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102 rc = select_op(EF_SMS);
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103 if (rc < 0)
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104 return(rc);
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105 rc = parse_ef_select_response();
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106 if (rc < 0)
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107 return(rc);
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108 if (curfile_structure != 0x01 || curfile_record_len != 176) {
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109 fprintf(stderr,
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110 "error: EF_SMS is not linear fixed with 176-byte records\n");
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111 return(-1);
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112 }
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113 of = fopen(argv[1], "w");
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114 if (!of) {
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115 perror(argv[1]);
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116 return(-1);
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117 }
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118 rc = savebin_records(of);
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119 fclose(of);
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120 return(rc);
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121 }
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122
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123 static
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124 restore_transparent(data)
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125 u_char *data;
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126 {
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127 unsigned off, cc;
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128 int rc;
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129
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130 for (off = 0; off < curfile_total_size; off += cc) {
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131 cc = curfile_total_size - off;
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132 if (cc > 255)
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133 cc = 255;
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134 rc = update_bin_op(off, data + off, cc);
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135 if (rc < 0)
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136 return(rc);
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137 }
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138 return(0);
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139 }
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140
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141 static
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142 restore_records(data)
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143 u_char *data;
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144 {
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145 unsigned recno;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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146 u_char *dp;
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
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147 int rc;
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Mychaela Falconia <falcon@freecalypso.org>
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148
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Mychaela Falconia <falcon@freecalypso.org>
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149 dp = data;
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Mychaela Falconia <falcon@freecalypso.org>
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150 for (recno = 1; recno <= curfile_record_count; recno++) {
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parents:
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151 rc = update_rec_op(recno, 0x04, dp, curfile_record_len);
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152 if (rc < 0)
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Mychaela Falconia <falcon@freecalypso.org>
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153 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
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154 dp += curfile_record_len;
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Mychaela Falconia <falcon@freecalypso.org>
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155 }
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156 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
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157 }
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
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158
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159 cmd_restore_file(argc, argv)
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160 char **argv;
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161 {
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162 int file_id, rc, fd;
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Mychaela Falconia <falcon@freecalypso.org>
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163 struct stat st;
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Mychaela Falconia <falcon@freecalypso.org>
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164 u_char *databuf;
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Mychaela Falconia <falcon@freecalypso.org>
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165
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Mychaela Falconia <falcon@freecalypso.org>
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166 if (isxdigit(argv[1][0]) && isxdigit(argv[1][1]) &&
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167 isxdigit(argv[1][2]) && isxdigit(argv[1][3]) && !argv[1][4])
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168 file_id = strtoul(argv[1], 0, 16);
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169 else
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170 file_id = find_symbolic_file_name(argv[1]);
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Mychaela Falconia <falcon@freecalypso.org>
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171 if (file_id < 0) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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173 "error: file ID argument is not a hex value or a recognized symbolic name\n");
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Mychaela Falconia <falcon@freecalypso.org>
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174 return(-1);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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175 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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176 rc = select_op(file_id);
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
177 if (rc < 0)
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Mychaela Falconia <falcon@freecalypso.org>
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178 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
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179 rc = parse_ef_select_response();
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diff changeset
180 if (rc < 0)
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Mychaela Falconia <falcon@freecalypso.org>
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181 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 if (!curfile_total_size) {
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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
183 printf("SIM indicates file of zero length, nothing to do\n");
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Mychaela Falconia <falcon@freecalypso.org>
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184 return(0);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 }
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 fd = open(argv[2], O_RDONLY);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 if (fd < 0) {
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
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188 perror(argv[2]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 return(-1);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 }
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 fstat(fd, &st);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 if ((st.st_mode & S_IFMT) != S_IFREG) {
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 fprintf(stderr, "error: %s is not a regular file\n", argv[2]);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 close(fd);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 return(-1);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 }
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 if (st.st_size != curfile_total_size) {
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 fprintf(stderr,
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 "error: length of %s does not match SIM EF length of %u bytes\n",
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 argv[2], curfile_total_size);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 close(fd);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 return(-1);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 }
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 databuf = malloc(curfile_total_size);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 if (!databuf) {
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 perror("malloc for file data");
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 close(fd);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 return(-1);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 }
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 read(fd, databuf, curfile_total_size);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 close(fd);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 switch (curfile_structure) {
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 case 0x00:
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 /* transparent */
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 rc = restore_transparent(databuf);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 break;
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 case 0x01:
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 /* record-based */
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 rc = restore_records(databuf);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 break;
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 case 0x03:
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 fprintf(stderr, "error: cyclic files are not supported\n");
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 rc = -1;
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 }
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 free(databuf);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 return(rc);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 }