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deltasearch.cpp

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00001 #include <stdio.h>
00002 #include <iostream>
00003 #include <sys/types.h>
00004 #include <sys/stat.h>
00005 #include <fcntl.h>
00006 using namespace std;
00007 extern "C" {
00008     #include "define.h"
00009 };
00010 
00011 unsigned char comp_enc [] =
00012   { 0x47, 0xf1, 0xb4, 0xe6, 0x0b, 0x6a, 0x72, 0x48,
00013     0x85, 0x4e, 0x9e, 0xeb, 0xe2, 0xf8, 0x94, 0x53, /*0x0f*/
00014     0xe0, 0xbb, 0xa0, 0x02, 0xe8, 0x5a, 0x09, 0xab,
00015     0xdb, 0xe3, 0xba, 0xc6, 0x7c, 0xc3, 0x10, 0xdd, /*0x1f*/
00016     0x39, 0x05, 0x96, 0x30, 0xf5, 0x37, 0x60, 0x82,
00017     0x8c, 0xc9, 0x13, 0x4a, 0x6b, 0x1d, 0xf3, 0xfb, /*0x2f*/
00018     0x8f, 0x26, 0x97, 0xca, 0x91, 0x17, 0x01, 0xc4,
00019     0x32, 0x2d, 0x6e, 0x31, 0x95, 0xff, 0xd9, 0x23, /*0x3f*/
00020     0xd1, 0x00, 0x5e, 0x79, 0xdc, 0x44, 0x3b, 0x1a,
00021     0x28, 0xc5, 0x61, 0x57, 0x20, 0x90, 0x3d, 0x83, /*0x4f*/
00022     0xb9, 0x43, 0xbe, 0x67, 0xd2, 0x46, 0x42, 0x76,
00023     0xc0, 0x6d, 0x5b, 0x7e, 0xb2, 0x0f, 0x16, 0x29, /*0x5f*/
00024     0x3c, 0xa9, 0x03, 0x54, 0x0d, 0xda, 0x5d, 0xdf,
00025     0xf6, 0xb7, 0xc7, 0x62, 0xcd, 0x8d, 0x06, 0xd3, /*0x6f*/
00026     0x69, 0x5c, 0x86, 0xd6, 0x14, 0xf7, 0xa5, 0x66,
00027     0x75, 0xac, 0xb1, 0xe9, 0x45, 0x21, 0x70, 0x0c, /*0x7f*/
00028     0x87, 0x9f, 0x74, 0xa4, 0x22, 0x4c, 0x6f, 0xbf,
00029     0x1f, 0x56, 0xaa, 0x2e, 0xb3, 0x78, 0x33, 0x50, /*0x8f*/
00030     0xb0, 0xa3, 0x92, 0xbc, 0xcf, 0x19, 0x1c, 0xa7,
00031     0x63, 0xcb, 0x1e, 0x4d, 0x3e, 0x4b, 0x1b, 0x9b, /*0x9f*/
00032     0x4f, 0xe7, 0xf0, 0xee, 0xad, 0x3a, 0xb5, 0x59,
00033     0x04, 0xea, 0x40, 0x55, 0x25, 0x51, 0xe5, 0x7a, /*0xaf*/
00034     0x89, 0x38, 0x68, 0x52, 0x7b, 0xfc, 0x27, 0xae,
00035     0xd7, 0xbd, 0xfa, 0x07, 0xf4, 0xcc, 0x8e, 0x5f, /*0xbf*/
00036     0xef, 0x35, 0x9c, 0x84, 0x2b, 0x15, 0xd5, 0x77,
00037     0x34, 0x49, 0xb6, 0x12, 0x0a, 0x7f, 0x71, 0x88, /*0xcf*/
00038     0xfd, 0x9d, 0x18, 0x41, 0x7d, 0x93, 0xd8, 0x58,
00039     0x2c, 0xce, 0xfe, 0x24, 0xaf, 0xde, 0xb8, 0x36, /*0xdf*/
00040     0xc8, 0xa1, 0x80, 0xa6, 0x99, 0x98, 0xa8, 0x2f,
00041     0x0e, 0x81, 0x65, 0x73, 0xe4, 0xc2, 0xa2, 0x8a, /*0xef*/
00042     0xd4, 0xe1, 0x11, 0xd0, 0x08, 0x8b, 0x2a, 0xf2,
00043     0xed, 0x9a, 0x64, 0x3f, 0xc1, 0x6c, 0xf9, 0xec}; /*0xff*/
00044 
00045 int main(int argc, char *argv[]) {
00046     if (argc < 4) {
00047         cout << "usage: " << argv[0] << " filename.pst integer-delta search-string" << endl;
00048         return 0;
00049     }
00050     int  fd = open(argv[1], O_RDONLY);
00051     int   d = atoi(argv[2]);
00052     string search(argv[3]);
00053     cout << "using file " << argv[1] << " with delta " << d << " looking for " << search << endl;
00054     if (fd) {
00055         struct stat st;
00056         fstat(fd, &st);
00057         off_t size = st.st_size;
00058         char buf[size];
00059         size_t s = read(fd, buf, size);
00060         pst_debug_hexdumper(stdout, buf, s, 16, 0);
00061         cout << endl;
00062         cout << endl;
00063         cout << " dump decrypted data " << endl;
00064         for (off_t i=0; i<size; i++) {
00065             buf[i] = comp_enc[(unsigned char)buf[i]];
00066         }
00067         pst_debug_hexdumper(stdout, buf, s, 16, 0);
00068         close(fd);
00069     }
00070     return 0;
00071 }

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