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#include <stdio.h>
#include <string.h>
#ifndef __GNUC__
# include "XGetopt.h"
#endif
#ifndef _WIN32
# include <unistd.h>
#endif
#include "define.h"
#include "libpst.h"
static void usage();
int main(int argc, char ** argv) {
// pass the id number to display on the command line
char *fname, *sid;
pst_file pstfile;
unsigned int id;
int decrypt = 0, process = 0, binary = 0, c;
unsigned char *buf = NULL;
size_t readSize;
pst_item *item;
pst_desc_ll* ptr;
DEBUG_INIT("getidblock.log");
DEBUG_REGISTER_CLOSE();
DEBUG_ENT("main");
while ((c = getopt(argc, argv, "bdp")) != -1) {
switch (c) {
case 'b':
// enable binary output
binary = 1;
break;
case 'd':
//enable decrypt
decrypt = 1;
break;
case 'p':
// enable procesing of block
process = 1;
break;
default:
usage();
exit(EXIT_FAILURE);
}
}
if (optind+1 >= argc) {
// no more items on the cmd
usage();
exit(EXIT_FAILURE);
}
fname = argv[optind];
sid = argv[optind+1];
id = (unsigned int)strtol(sid, NULL, 0);
DEBUG_MAIN(("Opening file\n"));
memset(&pstfile, 0, sizeof(pstfile));
if (pst_open(&pstfile, fname, "r")!=0) {
DIE(("Error opening file\n"));
}
DEBUG_MAIN(("Loading Index\n"));
if (pst_load_index(&pstfile) != 0) {
DIE(("Error loading file index\n"));
}
// if ((ptr = _pst_getID(&pstfile, id)) == NULL) {
// DIE(("id not found [%#x]\n", id));
// }
DEBUG_MAIN(("Loading block\n"));
if ((readSize = _pst_ff_getIDblock(&pstfile, id, &buf)) <= 0 || buf == NULL) {
// if ((readSize = _pst_read_block_size(&pstfile, ptr->offset, ptr->size, &buf, 1, 1)) < ptr->size) {
DIE(("Error loading block\n"));
}
if (binary==0) printf("Block %#x, size %#x[%i]\n",id, (unsigned int)readSize, (int) readSize);
if (decrypt!=0)
if (_pst_decrypt(buf, readSize, (int)pstfile.encryption) != 0) {
DIE(("Error decrypting block\n"));
}
DEBUG_MAIN(("Printing block... [id %#x, size %#x]\n", id, readSize));
if (binary==0) {
_pst_debug_hexdump(stdout, buf, readSize, 0x10);
} else {
if (fwrite(buf, 1, readSize, stdout) != 0) {
DIE(("Error occured during writing of buf to stdout\n"));
}
}
free(buf);
if (process!=0) {
DEBUG_MAIN(("Parsing block...\n"));
ptr = pstfile.d_head;
while(ptr != NULL) {
if (ptr->list_index != NULL && ptr->list_index->id == id)
break;
if (ptr->desc != NULL && ptr->desc->id == id)
break;
ptr = pst_getNextDptr(ptr);
}
if (ptr == NULL) {
ptr = (pst_desc_ll*)xmalloc(sizeof(pst_desc_ll));
ptr->desc = _pst_getID(&pstfile, id);
ptr->list_index = NULL;
}
if (ptr != NULL) {
if ((item = _pst_parse_item(&pstfile, ptr)) != NULL)
_pst_freeItem(item);
} else {
DEBUG_MAIN(("item not found with this ID\n"));
printf("Cannot find the owning Record of this ID. Cannot parse\n");
}
}
if(pst_close(&pstfile)!=0) {
DIE(("pst_close failed\n"));
}
DEBUG_RET();
return 0;
}
void usage() {
printf("usage: getidblock [options] filename id\n");
printf("\tfilename - name of the file to access\n");
printf("\tid - ID of the block to fetch - can begin with 0x for hex\n");
printf("\toptions\n");
printf("\t\t-d\tDecrypt the block before printing\n");
printf("\t\t-p\tProcess the block before finishing.\n");
printf("\t\t\tView the debug log for information\n");
}
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