/* * 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/* * 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/* * 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);/* * 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