security-scripts/vpn/ike-scan-1.9/psk-crack.h
2013-06-04 17:07:08 +02:00

165 lines
5.1 KiB
C

/*
* The IKE Scanner (ike-scan) is Copyright (C) 2003-2007 Roy Hills,
* NTA Monitor Ltd.
*
* 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.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library, and distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version.
*
* If this license is unacceptable to you, I may be willing to negotiate
* alternative licenses (contact ike-scan@nta-monitor.com).
*
* You are encouraged to send comments, improvements or suggestions to
* me at ike-scan@nta-monitor.com.
*
* $Id: psk-crack.h 9884 2007-01-14 19:05:39Z rsh $
*
* psk-crack.h -- Header file for psk-crack
*
* Author: Roy Hills
* Date: 21 November 2006
*/
#ifndef PSK_CRACK_H
#define PSK_CRACK_H 1
/* Includes */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef STDC_HEADERS
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <stdarg.h>
#else
#error This program requires the ANSI C Headers
#endif
/* Integer types */
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#else
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#endif
#ifdef __CYGWIN__
#include <windows.h> /* Include windows.h if compiling under Cygwin */
#endif
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#else
/* Include getopt.h for the sake of getopt_long.
We don't need the declaration of getopt, and it could conflict
with something from a system header file, so effectively nullify that. */
#define getopt getopt_loser
#include "getopt.h"
#undef getopt
#endif
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#ifdef HAVE_OPENSSL
#include <openssl/md5.h>
#include <openssl/sha.h>
#else
#include "md5.h"
#include "sha1.h"
#endif
/* Defines */
#define MAXLINE 255 /* Max line length for input files */
#define DICT_FILE "psk-crack-dictionary" /* psk-crack dictionary filename */
#define MAXLEN 4096
#define HASH_TYPE_MD5 1
#define HASH_TYPE_SHA1 2
#define MD5_HASH_LEN 16
#define SHA1_HASH_LEN 20
#define PSK_REALLOC_COUNT 10 /* Number of PSK entries to allocate */
/* Structures */
/* PSK parameter entry */
typedef struct {
unsigned char *skeyid_data; /* Data for SKEYID calculation */
unsigned char *hash_r_data; /* Data for HASH_R calculation */
unsigned char *hash_r; /* HASH_R received from server */
char *hash_r_hex; /* Server HASH_R as hex for display */
const char *hash_name; /* Hash algo. name for display */
const char *nortel_user; /* User for nortel cracking, or NULL */
size_t skeyid_data_len; /* Length of skeyid_data field */
size_t hash_r_data_len; /* Length of hash_r_data field */
size_t hash_r_len; /* Length of hash_r field */
int hash_type; /* Hash algorithm used for hmac */
int live; /* Are we still cracking this entry? */
} psk_entry;
/* Functions */
static unsigned load_psk_params(const char *, const char *);
static inline unsigned char *compute_hash(const psk_entry *, const char *);
static FILE *open_dict_file(const char *);
void err_sys(const char *, ...);
void warn_sys(const char *, ...);
void err_msg(const char *, ...);
void warn_msg(const char *, ...);
void info_syslog(const char *, ...);
void err_print(int, int, const char *, va_list);
static void psk_crack_usage(int);
void timeval_diff(const struct timeval *, const struct timeval *,
struct timeval *);
unsigned int hstr_i(const char *);
unsigned char* hex2data(const char *, size_t *);
unsigned char* hex_or_str(const char *, size_t *);
unsigned char* hex_or_num(const char *, size_t *);
int Gettimeofday(struct timeval *);
void *Malloc(size_t);
void *Realloc(void *, size_t);
unsigned long int Strtoul(const char *, int);
char *make_message(const char *, ...);
char *numstr(unsigned);
char *printable(const unsigned char*, size_t);
char *hexstring(const unsigned char*, size_t);
/* The following functions are just to prevent rcsid being optimised away */
void error_use_rcsid(void);
void wrappers_use_rcsid(void);
void utils_use_rcsid(void);
#endif /* PSK_CRACK_H */