/* Decoder for password encoding of Cisco VPN client. Copyright (C) 2005 Maurice Massar Thanks to HAL-9000@evilscientists.de for decoding and posting the algorithm! This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "decrypt-utils.h" #include #include #include #include int main(int argc, char *argv[]) { int i, len, ret = 0; char *bin, *pw = NULL; gcry_check_version(NULL); if (argc == 1 || *argv[1] == '-') { fprintf(stderr, "\nUsage: %s DEADBEEF...012345678 424242...7261\n" " Print decoded result to stdout\n\n", argv[0]); exit(1); } /* Hack for use in pcf2vpnc */ if (*argv[1] == 'q') { exit(1); } for (i = 1; i < argc; i++) { ret = hex2bin(argv[i], &bin, &len); if (ret != 0) { perror("decoding input"); continue; } ret = deobfuscate(bin, len, (const char **)&pw, NULL); free(bin); if (ret != 0) { perror("decrypting input"); continue; } printf("%s\n", pw); free(pw); } exit(ret != 0); }