params.h

著名的解Unix密码的源程序

/*
 * This file is part of John the Ripper password cracker,
 * Copyright (c) 1996-98 by Solar Designer
 */

/*
 * Some global parameters.
 */

#ifndef _JOHN_PARAMS_H
#define _JOHN_PARAMS_H

#include <limits.h>

/*
 * John's version number.
 */
#define JOHN_VERSION			"1.5"

/*
 * Crash recovery file format version number.
 */
#define RECOVERY_VERSION		"REC0"

/*
 * Charset file format version number.
 */
#define CHARSET_VERSION			"CHR1"

/*
 * Timer interval in seconds.
 */
#define TIMER_INTERVAL			1

/*
 * Crash recovery file saving delay in timer intervals.
 */
#define TIMER_SAVE_DELAY		(600 / TIMER_INTERVAL)

/*
 * Benchmark time in seconds, per cracking algorithm.
 */
#define BENCHMARK_TIME			5

/*
 * Number of salts to assume when benchmarking.
 */
#define BENCHMARK_MANY			0x1000

/*
 * File names.
 */
#define LOG_NAME			"~/john.pot"
#define CFG_NAME			"~/john.ini"
#define RECOVERY_NAME			"~/restore"

/*
 * Configuration file section names.
 */
#define SECTION_DEFAULTS		"Defaults"
#define SECTION_RULES			"List.Rules:"
#define SUBSECTION_SINGLE		"Single"
#define SUBSECTION_WORDLIST		"Wordlist"
#define SECTION_INC			"Incremental:"
#define SECTION_EXT			"List.External:"

/*
 * Hash table sizes. These are also hardcoded into the hash functions.
 */
#define SALT_HASH_SIZE			0x400
#define PASSWORD_HASH_SIZE_0		0x10
#define PASSWORD_HASH_SIZE_1		0x100
#define PASSWORD_HASH_SIZE_2		0x1000

/*
 * Password hash table thresholds. These are the counts of entries required
 * to enable the corresponding hash table size.
 */
#define PASSWORD_HASH_THRESHOLD_0	(PASSWORD_HASH_SIZE_0 / 2)
#define PASSWORD_HASH_THRESHOLD_1	(PASSWORD_HASH_SIZE_1 / 4)
#define PASSWORD_HASH_THRESHOLD_2	(PASSWORD_HASH_SIZE_2 / 4)

/*
 * Tables of the above values.
 */
extern int password_hash_sizes[3];
extern int password_hash_thresholds[3];

/*
 * Cracked password hash size, used while loading.
 */
#define CRACKED_HASH_LOG		10
#define CRACKED_HASH_SIZE		(1 << CRACKED_HASH_LOG)

/*
 * Password hash function to use while loading.
 */
#define LDR_HASH_SIZE (PASSWORD_HASH_SIZE_2 * sizeof(struct db_password *))
#define LDR_HASH_FUNC (format->methods.binary_hash[2])

/*
 * Buffered keys hash size, used for "single crack" mode.
 */
#define SINGLE_HASH_LOG			5
#define SINGLE_HASH_SIZE		(1 << SINGLE_HASH_LOG)

/*
 * Minimum buffered keys hash size, used if min_keys_per_crypt is even less.
 */
#define SINGLE_HASH_MIN			8

/*
 * Shadow file entry table hash size, used by unshadow.
 */
#define SHADOW_HASH_LOG			8
#define SHADOW_HASH_SIZE		(1 << SHADOW_HASH_LOG)

/*
 * Maximum number of GECOS words per password to load.
 */
#define LDR_WORDS_MAX			0x10

/*
 * Maximum number of GECOS words to try in pairs.
 */
#define SINGLE_WORDS_PAIR_MAX		4

/*
 * Charset parameters.
 */
#define CHARSET_MIN			' '
#define CHARSET_MAX			0x7E
#define CHARSET_SIZE			(CHARSET_MAX - CHARSET_MIN + 1)
#define CHARSET_LENGTH			8
#define CHARSET_SCALE			0x100

/*
 * Compiler parameters.
 */
#define C_TOKEN_SIZE			0x100
#define C_UNGET_SIZE			(C_TOKEN_SIZE + 4)
#define C_EXPR_SIZE			0x100
#define C_STACK_SIZE			((C_EXPR_SIZE + 4) * 4)
#define C_ARRAY_SIZE			0x1000000
#define C_DATA_SIZE			0x8000000

/*
 * Buffer size for rules.
 */
#define RULE_BUFFER_SIZE		0x100

/*
 * Maximum number of character ranges for rules.
 */
#define RULE_RANGES_MAX			8

/*
 * Buffer size for words while applying rules.
 */
#define RULE_WORD_SIZE			0x80

/*
 * Buffer size for plaintext passwords.
 */
#define PLAINTEXT_BUFFER_SIZE		0x80

/*
 * Buffer size for fgets().
 */
#define LINE_BUFFER_SIZE		0x400

/*
 * Log file buffer size, can be zero.
 */
#define LOG_BUFFER_SIZE			0x1000

/*
 * Buffer size for path names.
 */
#ifdef PATH_MAX
#define PATH_BUFFER_SIZE		PATH_MAX
#else
#define PATH_BUFFER_SIZE		0x400
#endif

#endif