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annotate src/getidblock.c @ 93:cb14583c119a

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author Carl Byington <carl@five-ten-sg.com>
date Thu, 28 Aug 2008 15:25:53 -0700
parents 3ec5ad97e926
children 0f1492b7fe8b
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rev   line source
75
987aa872294e Use ftello/fseeko to properly handle large files.
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1
48
f66078abed38 more fixes for 64 bit format
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2 #include "define.h"
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3 #include "libpst.h"
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4
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5 static void usage();
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6
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7 int main(int argc, char **argv)
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8 {
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9 // pass the id number to display on the command line
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10 char *fname, *sid;
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11 pst_file pstfile;
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12 uint64_t id;
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13 int decrypt = 0, process = 0, binary = 0, c;
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14 char *buf = NULL;
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15 size_t readSize;
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16 pst_item *item;
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17 pst_desc_ll *ptr;
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73
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19 DEBUG_INIT("getidblock.log");
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20 DEBUG_REGISTER_CLOSE();
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21 DEBUG_ENT("main");
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23 while ((c = getopt(argc, argv, "bdp")) != -1) {
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24 switch (c) {
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25 case 'b':
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26 // enable binary output
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27 binary = 1;
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28 break;
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29 case 'd':
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30 //enable decrypt
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31 decrypt = 1;
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32 break;
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33 case 'p':
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34 // enable procesing of block
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35 process = 1;
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36 break;
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37 default:
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38 usage();
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39 exit(EXIT_FAILURE);
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40 }
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41 }
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43 if (optind + 1 >= argc) {
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44 // no more items on the cmd
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45 usage();
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46 exit(EXIT_FAILURE);
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47 }
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48 fname = argv[optind];
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49 sid = argv[optind + 1];
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50 id = (uint64_t)strtoll(sid, NULL, 0);
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51
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52 DEBUG_MAIN(("Opening file\n"));
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53 memset(&pstfile, 0, sizeof(pstfile));
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54 if (pst_open(&pstfile, fname)) {
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55 DIE(("Error opening file\n"));
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56 }
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58 DEBUG_MAIN(("Loading Index\n"));
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59 if (pst_load_index(&pstfile) != 0) {
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60 DIE(("Error loading file index\n"));
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61 }
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62 // if ((ptr = pst_getID(&pstfile, id)) == NULL) {
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63 // DIE(("id not found [%#x]\n", id));
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64 // }
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65
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66 DEBUG_MAIN(("Loading block\n"));
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67
73
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68 if ((readSize = pst_ff_getIDblock(&pstfile, id, &buf)) <= 0 || buf == NULL) {
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69 // if ((readSize = pst_read_block_size(&pstfile, ptr->offset, ptr->size, &buf, 1, 1)) < ptr->size) {
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70 DIE(("Error loading block\n"));
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71 }
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72 if (binary == 0)
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73 printf("Block %#"PRIx64", size %#x[%i]\n", id, (unsigned int) readSize, (int) readSize);
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74
73
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75 if (decrypt != 0)
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76 if (pst_decrypt(id, buf, readSize, (int) pstfile.encryption) != 0) {
73
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77 DIE(("Error decrypting block\n"));
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78 }
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79
73
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80 DEBUG_MAIN(("Printing block... [id %#x, size %#x]\n", id, readSize));
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81 if (binary == 0) {
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82 pst_debug_hexdumper(stdout, buf, readSize, 0x10, 0);
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83 } else {
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84 if (fwrite(buf, 1, readSize, stdout) != 0) {
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85 DIE(("Error occured during writing of buf to stdout\n"));
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86 }
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87 }
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88 free(buf);
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89
73
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90 if (process != 0) {
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91 DEBUG_MAIN(("Parsing block...\n"));
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92 ptr = pstfile.d_head;
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93 while (ptr != NULL) {
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94 if (ptr->list_index != NULL && ptr->list_index->id == id)
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95 break;
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96 if (ptr->desc != NULL && ptr->desc->id == id)
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97 break;
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98 ptr = pst_getNextDptr(ptr);
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99 }
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100 if (ptr == NULL) {
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101 ptr = (pst_desc_ll *) xmalloc(sizeof(pst_desc_ll));
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102 ptr->desc = pst_getID(&pstfile, id);
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103 ptr->list_index = NULL;
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104 }
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105 if (ptr != NULL) {
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106 if ((item = pst_parse_item(&pstfile, ptr)) != NULL)
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107 pst_freeItem(item);
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108 } else {
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109 DEBUG_MAIN(("item not found with this ID\n"));
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110 printf("Cannot find the owning Record of this ID. Cannot parse\n");
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111 }
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112 }
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114 if (pst_close(&pstfile) != 0) {
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115 DIE(("pst_close failed\n"));
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116 }
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117
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118 DEBUG_RET();
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119 return 0;
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120 }
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121
73
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122 void usage()
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123 {
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124 printf("usage: getidblock [options] filename id\n");
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125 printf("\tfilename - name of the file to access\n");
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126 printf("\tid - ID of the block to fetch - can begin with 0x for hex\n");
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127 printf("\toptions\n");
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128 printf("\t\t-d\tDecrypt the block before printing\n");
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129 printf("\t\t-p\tProcess the block before finishing.\n");
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130 printf("\t\t\tView the debug log for information\n");
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131 }