Mercurial > libpst

annotate src/getidblock.c @ 42:7a97f50c39c5 stable-0-5-12 **FUNKY**

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
security fix for potential buffer overrun in lz decompress
author carl
date Tue, 02 Oct 2007 16:10:36 -0700
parents 07177825c91b
children b2a7f2e0926a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
1 #include <stdio.h>
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
2 #include <string.h>
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
3
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
4 #ifndef __GNUC__
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
5 # include "XGetopt.h"
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
6 #endif
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
7
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
8 #ifndef _WIN32
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
9 # include <unistd.h>
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
10 #endif
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
11
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
12 #include "define.h"
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
13 #include "libpst.h"
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
14
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
15 static void usage();
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
17 int main(int argc, char ** argv) {
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
18 // pass the id number to display on the command line
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
19 char *fname, *sid;
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
20 pst_file pstfile;
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
21 unsigned int id;
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
22 int decrypt = 0, process = 0, binary = 0, c;
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
23 unsigned char *buf = NULL;
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
24 size_t readSize;
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
25 pst_item *item;
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
26 pst_desc_ll* ptr;
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
27
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
28 DEBUG_INIT("getidblock.log");
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
29 DEBUG_REGISTER_CLOSE();
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
30 DEBUG_ENT("main");
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
31
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
32 while ((c = getopt(argc, argv, "bdp")) != -1) {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
33 switch (c) {
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
34 case 'b':
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
35 // enable binary output
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
36 binary = 1;
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
37 break;
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
38 case 'd':
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
39 //enable decrypt
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
40 decrypt = 1;
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
41 break;
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
42 case 'p':
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
43 // enable procesing of block
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
44 process = 1;
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
45 break;
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
46 default:
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
47 usage();
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
48 exit(EXIT_FAILURE);
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
49 }
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
50 }
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
51
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
52 if (optind+1 >= argc) {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
53 // no more items on the cmd
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
54 usage();
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
55 exit(EXIT_FAILURE);
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
56 }
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
57 fname = argv[optind];
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
58 sid = argv[optind+1];
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
59 id = (unsigned int)strtol(sid, NULL, 0);
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
60
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
61 DEBUG_MAIN(("Opening file\n"));
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
62 memset(&pstfile, 0, sizeof(pstfile));
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
63 if (pst_open(&pstfile, fname, "r")!=0) {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
64 DIE(("Error opening file\n"));
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
65 }
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
66
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
67 DEBUG_MAIN(("Loading Index\n"));
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
68 if (pst_load_index(&pstfile) != 0) {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
69 DIE(("Error loading file index\n"));
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
70 }
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
71
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
72 // if ((ptr = _pst_getID(&pstfile, id)) == NULL) {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
73 // DIE(("id not found [%#x]\n", id));
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
74 // }
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
75
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
76 DEBUG_MAIN(("Loading block\n"));
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
77
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
78 if ((readSize = _pst_ff_getIDblock(&pstfile, id, &buf)) <= 0 || buf == NULL) {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
79 // if ((readSize = _pst_read_block_size(&pstfile, ptr->offset, ptr->size, &buf, 1, 1)) < ptr->size) {
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
80 DIE(("Error loading block\n"));
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
81 }
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
82 if (binary==0) printf("Block %#x, size %#x[%i]\n",id, (unsigned int)readSize, (int) readSize);
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
83
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
84 if (decrypt!=0)
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
85 if (_pst_decrypt(buf, readSize, (int)pstfile.encryption) != 0) {
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
86 DIE(("Error decrypting block\n"));
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
87 }
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
88
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
89 DEBUG_MAIN(("Printing block... [id %#x, size %#x]\n", id, readSize));
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
90 if (binary==0) {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
91 _pst_debug_hexdump(stdout, buf, readSize, 0x10, 0);
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
92 } else {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
93 if (fwrite(buf, 1, readSize, stdout) != 0) {
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
94 DIE(("Error occured during writing of buf to stdout\n"));
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
95 }
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
96 }
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
97 free(buf);
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
98
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
99 if (process!=0) {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
100 DEBUG_MAIN(("Parsing block...\n"));
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
101 ptr = pstfile.d_head;
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
102 while(ptr != NULL) {
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
103 if (ptr->list_index != NULL && ptr->list_index->id == id)
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
104 break;
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
105 if (ptr->desc != NULL && ptr->desc->id == id)
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
106 break;
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
107 ptr = pst_getNextDptr(ptr);
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
108 }
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
109 if (ptr == NULL) {
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
110 ptr = (pst_desc_ll*)xmalloc(sizeof(pst_desc_ll));
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
111 ptr->desc = _pst_getID(&pstfile, id);
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
112 ptr->list_index = NULL;
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
113 }
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
114 if (ptr != NULL) {
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
115 if ((item = _pst_parse_item(&pstfile, ptr)) != NULL)
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
116 _pst_freeItem(item);
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
117 } else {
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
118 DEBUG_MAIN(("item not found with this ID\n"));
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
119 printf("Cannot find the owning Record of this ID. Cannot parse\n");
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
120 }
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
121 }
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
122
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
123 if(pst_close(&pstfile)!=0) {
34
07177825c91b fix signed/unsigned to allow very small pst files with only leaf nodes
carl
parents: 16
diff changeset
124 DIE(("pst_close failed\n"));
16
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
125 }
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
126
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
127 DEBUG_RET();
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
128 return 0;
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
129 }
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
130
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
131 void usage() {
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
132 printf("usage: getidblock [options] filename id\n");
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
133 printf("\tfilename - name of the file to access\n");
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
134 printf("\tid - ID of the block to fetch - can begin with 0x for hex\n");
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
135 printf("\toptions\n");
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
136 printf("\t\t-d\tDecrypt the block before printing\n");
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
137 printf("\t\t-p\tProcess the block before finishing.\n");
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
138 printf("\t\t\tView the debug log for information\n");
c508ee15dfca switch to automake/autoconf
carl
parents:
diff changeset
139 }