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1 #include <stdio.h>
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2 #include <string.h>
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3
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4 #ifndef __GNUC__
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5 # include "XGetopt.h"
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6 #endif
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7
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8 #ifndef _WIN32
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9 # include <unistd.h>
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10 #endif
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11
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12 #include "define.h"
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13 #include "libpst.h"
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14
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15 static void usage();
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16
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17 int main(int argc, char ** argv) {
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18 // pass the id number to display on the command line
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19 char *fname, *sid;
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20 pst_file pstfile;
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21 unsigned int id;
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22 int decrypt = 0, process = 0, binary = 0, c;
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23 unsigned char *buf = NULL;
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24 size_t readSize;
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25 pst_item *item;
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26 pst_desc_ll* ptr;
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27
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28 DEBUG_INIT("getidblock.log");
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29 DEBUG_REGISTER_CLOSE();
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30 DEBUG_ENT("main");
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31
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32 while ((c = getopt(argc, argv, "bdp")) != -1) {
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33 switch (c) {
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34 case 'b':
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35 // enable binary output
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36 binary = 1;
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37 break;
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38 case 'd':
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39 //enable decrypt
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40 decrypt = 1;
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41 break;
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42 case 'p':
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43 // enable procesing of block
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44 process = 1;
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45 break;
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46 default:
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47 usage();
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48 exit(EXIT_FAILURE);
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49 }
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50 }
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51
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52 if (optind+1 >= argc) {
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53 // no more items on the cmd
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54 usage();
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55 exit(EXIT_FAILURE);
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56 }
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57 fname = argv[optind];
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58 sid = argv[optind+1];
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59 id = (unsigned int)strtol(sid, NULL, 0);
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60
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61 DEBUG_MAIN(("Opening file\n"));
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62 memset(&pstfile, 0, sizeof(pstfile));
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63 if (pst_open(&pstfile, fname, "r")!=0) {
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64 DIE(("Error opening file\n"));
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65 }
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66
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67 DEBUG_MAIN(("Loading Index\n"));
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68 if (pst_load_index(&pstfile) != 0) {
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69 DIE(("Error loading file index\n"));
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70 }
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71
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72 // if ((ptr = _pst_getID(&pstfile, id)) == NULL) {
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73 // DIE(("id not found [%#x]\n", id));
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74 // }
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75
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76 DEBUG_MAIN(("Loading block\n"));
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77
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78 if ((readSize = _pst_ff_getIDblock(&pstfile, id, &buf)) <= 0 || buf == NULL) {
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79 // if ((readSize = _pst_read_block_size(&pstfile, ptr->offset, ptr->size, &buf, 1, 1)) < ptr->size) {
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80 DIE(("Error loading block\n"));
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81 }
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82 if (binary==0) printf("Block %#x, size %#x[%i]\n",id, (unsigned int)readSize, (int) readSize);
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83
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84 if (decrypt!=0)
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85 if (_pst_decrypt(buf, readSize, (int)pstfile.encryption) != 0) {
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86 DIE(("Error decrypting block\n"));
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87 }
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88
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89 DEBUG_MAIN(("Printing block... [id %#x, size %#x]\n", id, readSize));
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90 if (binary==0) {
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91 _pst_debug_hexdump(stdout, buf, readSize, 0x10);
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92 } else {
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93 if (fwrite(buf, 1, readSize, stdout) != 0) {
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94 DIE(("Error occured during writing of buf to stdout\n"));
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95 }
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96 }
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97 free(buf);
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98
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99 if (process!=0) {
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100 DEBUG_MAIN(("Parsing block...\n"));
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101 ptr = pstfile.d_head;
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102 while(ptr != NULL) {
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103 if (ptr->list_index != NULL && ptr->list_index->id == id)
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104 break;
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105 if (ptr->desc != NULL && ptr->desc->id == id)
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106 break;
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107 ptr = pst_getNextDptr(ptr);
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108 }
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109 if (ptr == NULL) {
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110 ptr = (pst_desc_ll*)xmalloc(sizeof(pst_desc_ll));
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111 ptr->desc = _pst_getID(&pstfile, id);
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112 ptr->list_index = NULL;
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113 }
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114 if (ptr != NULL) {
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115 if ((item = _pst_parse_item(&pstfile, ptr)) != NULL)
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116 _pst_freeItem(item);
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117 } else {
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118 DEBUG_MAIN(("item not found with this ID\n"));
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119 printf("Cannot find the owning Record of this ID. Cannot parse\n");
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120 }
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121 }
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122
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123 if(pst_close(&pstfile)!=0) {
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124 DIE(("pst_close failed\n"));
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125 }
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126
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127 DEBUG_RET();
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128 return 0;
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129 }
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130
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131 void usage() {
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132 printf("usage: getidblock [options] filename id\n");
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133 printf("\tfilename - name of the file to access\n");
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134 printf("\tid - ID of the block to fetch - can begin with 0x for hex\n");
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135 printf("\toptions\n");
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136 printf("\t\t-d\tDecrypt the block before printing\n");
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137 printf("\t\t-p\tProcess the block before finishing.\n");
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138 printf("\t\t\tView the debug log for information\n");
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139 }
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