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/*
* This file is part of John the Ripper password cracker,
* Copyright (c) 1996-98 by Solar Designer
*/
/*
* Rules support routines.
*/
#ifndef _JOHN_RULES_H
#define _JOHN_RULES_H
#include "rpp.h"
#define RULES_NAME _PATH_RULES
/*
* Error codes.
*/
#define RULES_ERROR_NONE 0
#define RULES_ERROR_END 1
#define RULES_ERROR_UNKNOWN 2
#define RULES_ERROR_POSITION 3
#define RULES_ERROR_CLASS 4
#define RULES_ERROR_REJECT 5
/*
* Error names.
*/
extern char *rules_errors[];
/*
* Last error code.
*/
extern int rules_errno;
/*
* Configuration file line number, only set after a rules_check() call if
* rules_errno indicates an error.
*/
extern int rules_line;
/*
* Initializes the rules support.
*/
extern void rules_init(int max_length);
/*
* Processes rule reject flags, based on information from the database.
* Returns a pointer to the first command in the rule if it's accepted,
* or NULL if rejected or an error occured. Also sets rules_errno on
* error. If the database is NULL, all rules are accepted (to be used
* for syntax checking).
*/
extern char *rules_reject(char *rule, void *db);
/*
* Applies rule to a word. Returns the updated word, or NULL if rejected or
* an error occured. Also sets rules_errno on error.
*
* split > 0 "single crack" mode, split is the second word's position
* split == 0 "single crack" mode, only one word
* split < 0 other cracking modes, "single crack" mode rules are invalid
*/
extern char *rules_apply(char *word, char *rule, int split);
/*
* Checks if all the rules for context are valid. Returns the number of rules,
* or returns zero and sets rules_errno on error.
*
* split == 0 "single crack" mode rules allowed
* split < 0 "single crack" mode rules are invalid
*/
extern int rules_check(struct rpp_context *start, int split);
/*
* Similar to rules_check(), but displays a message and does not return on
* error.
*/
extern int rules_count(struct rpp_context *start, int split);
#endif
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