?? precomp.y
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/*--------------------------------------------------------*//* Copyright (c) PSW-soft 1996 *//* *//* File: PRECOMP.Y *//* *//* Project: Password Cracking Library *//* Version: 2.0c *//* *//* Author: Pavel Semjanov *//* Company: PSW-soft *//* *//* Comment: Precompiler for password definition file *//* on YACC *//* *//* Create: 06.08.1996 21:39:20 *//* Update: 20.07.1999 20:06:16 *//* *//* Revision: 2.0c 20.07.1999 20:06:16 check of modifier *//* quantity added *//* Revision: 2.0b 04.05.1999 13:47:34 .c(1) not defined *//* bug fixed *//* Revision: 1.1 26.08.1996 14:20:54 Special charset *//* added (implemented in YAAC 0.95). *//* Revision: 1.0 06.08.1996 21:39:20 Initial revision *//* (implemented in cRARk 1.5) *//*--------------------------------------------------------*/%{#include <stdio.h>#include <stdlib.h>#include <string.h>#include "maindef.h"#include "yaccdef.h"#include "pcl.h"#include "modif.h"str_func *f_comp;int aster_comp;boolean _used_chars, defined_used_chars;boolean in_permutation;int i;char buf[10];int national;%}%union { char *set; int num; str_func func;};%token <num> NUMBER%token F_EOF%token WORD USER_WORD S_SPECIAL%token TBREAK%token <set> QSTRING%token <set> LETTER NULL_CHAR%token <set> ANY_LETTER S_EUPPER S_ELOWER S_DIGITS S_SYMBOLS S_RUPPER S_RLOWER S_USER S_USEDCHARS S_VOWELS%token <func> W_TRUNC W_UPPER W_LOWER W_COOL W_CONSONANT W_REVERSE W_CONVERT W_DUPLICATE W_USER%token <func> W_CUT%type <set> set sets setl_def%type <func> modificator word modif1 modificator1 modif1_def modif%type <num> perm_num modif_num%type <num> set_def word_def modif_def%%/* Whole PDF file */task: { defined_main_dict = defined_user_dict = defined_used_chars = FALSE; national = 0; } definition TBREAK { line++; for (i = 0; i <= 6; i++) { strsset (defined_sets[i]); /* for example, spanish */ strscat (U_QUOT, defined_sets[i]); } definition_done(); } implementationdefinition: { init_set(); } lines_deflines_def: /*line_def '\n' { line++; } */ | lines_def line_def '\n' { line++; }line_def: word_def '=' QSTRING { if ($1 == WORD) open_dict_file ($3); else open_user_file ($3); } | set_def { i = $1; } '=' set_or_sets_def { if (national == 3) { national = 0; make_upper_lower (U_RLOWER, U_RUPPER, 1); make_upper_lower (U_RUPPER, U_RLOWER, 0); } } | modif_def '=' QSTRING { for (i = 0; i <= 6; i++) strscat (U_QUOT, defined_sets[i]); make_convert ($3, $1); } |word_def: WORD { defined_main_dict = TRUE; $$ = WORD; } | USER_WORD { defined_user_dict = TRUE; $$ = USER_WORD; }modif_def : '?' modif1_def modif_num { $$ = $3; }modif1_def: W_CONVERTset_or_sets_def: '[' { memset (defined_sets[i], 0, 256); } sets_def ']'sets_def: sets_def setl_def { strcat (defined_sets[i], $2); /* not strscat !!! */ } |setl_def: LETTER { $$ = $1; } | S_EUPPER { $$ = U_EUPPER; } | S_ELOWER { $$ = U_ELOWER; } | S_DIGITS { $$ = U_DIGITS; } | S_SYMBOLS { $$ = U_SPECIAL;} | S_RUPPER { $$ = U_RUPPER; } | S_RLOWER { $$ = U_RLOWER; } | S_USER { $$ = U_USER; } | S_VOWELS { $$ = U_VOWELS; } | '?' { yyerror ("\'?\' not allowed"); } | NULL_CHAR { yyerror ("\'\\0\' not allowed"); }set_def: S_EUPPER { $$ = 1; } | S_ELOWER { $$ = 0; } | S_DIGITS { $$ = 2; } | S_SYMBOLS { $$ = 3; } | S_RUPPER { $$ = 5; national |= 1; } | S_RLOWER { $$ = 4; national |= 2; } | S_USER { $$ = 6; } | S_USEDCHARS {$$ = 8; defined_used_chars = TRUE;} | S_VOWELS { $$ = 9; }implementation: { i_comp = 0; aster_comp = -1; _used_chars = in_permutation = FALSE; } lines F_EOF { YYACCEPT; }lines: line '\n' { line ++; } | line F_EOF | lines line '\n' { line ++; } | lines line F_EOF/* 笮捎纖 納遺嗽勺 */line: { _user_dict = _main_dict = FALSE; } wordsets { if (aster_comp != -1 && aster_comp != i_comp) yyerror ("\'*\' must be at the end"); process_line (); i_comp = 0; /* _main_dict = _user_dict = */ _used_chars = FALSE; aster_comp = -1; } |wordsets : wordset | wordsets wordsetwordset: word_modif | set_or_sets | permutation | asteriskword_modif: word { if (i_comp == MAX_PASSWORD) yyerror ("Max password length exceeded"); if (component[i_comp] == NULL) if ((component[i_comp] = (char *) malloc (256)) == NULL) yyerror ("Out of memory"); component[i_comp][0] = C_MODIF; f_comp = (str_func *) &component[i_comp][1]; *f_comp++ = $1; } modif { f_comp->fnc = NULL; /* make_wordset() uses it */ if (_used_chars) strscat (USED_CHARS, make_wordset (component[i_comp])); i_comp++; }modif: modif1 | { $$.fnc = NULL; }modif1: modificator1 { *f_comp++ = $1; } | modif1 modificator1 { if ((char *)f_comp - component[i_comp] > 256 - sizeof (str_func)) yyerror ("Too many modifiers"); else *f_comp++ = $2; }word: WORD { if (!defined_main_dict) yyerror ("Main dictionary not defined"); _main_dict = TRUE; $$.fnc = &get_dict_word; } | USER_WORD { if (!defined_user_dict) yyerror ("User dictionary not defined"); _user_dict = TRUE; $$.fnc = &get_user_word; } | S_SPECIAL NUMBER { $$.fnc = &get_special; $$.param = $2; }modificator1: modificator modif_num { $$.param = $2; if ($2 < 0 && !($1.fnc == &strrtoupper || $1.fnc == &strrtolower || $1.fnc == &strcut)) yyerror ("Invalid parameter"); if ($1.fnc == &strconvert && convert_tables[$2+2] == NULL) { sprintf (buf, ".c(%d)", $2); yymessage ("Error", "not defined", buf); } }modificator: W_TRUNC { $$.fnc = &strcut; } | W_UPPER { $$.fnc = &strrtoupper; } | W_LOWER { $$.fnc = &strrtolower; } | W_COOL { $$.fnc = &strrtocool; } | W_CONSONANT { $$.fnc = &strrshrink; } | W_CONVERT { $$.fnc = &strconvert; } | W_REVERSE { $$.fnc = &strrevm; } | W_DUPLICATE { $$.fnc = &strduplicate; } | W_USER { yyerror ("User-defined modifiers not supported yet"); }modif_num: NUMBER { $$ = $1;} | { $$ = 0; }set_or_sets: { if (i_comp == MAX_PASSWORD) yyerror ("Max password length exceeded"); if (component[i_comp] == NULL) if ((component[i_comp] = (char *) malloc (256)) == NULL) yyerror ("Out of memory"); component[i_comp][0] = C_SET; } set_or_sets1set_or_sets1: set { strcpy (component[i_comp++] + 1, $1); } | '[' { strcpy (component[i_comp]+1, ""); } sets ']' { i_comp++; }sets: set { strscat (component[i_comp]+1, $1); } | sets set { strscat (component[i_comp]+1, $2); }set: S_EUPPER { $$ = U_EUPPER; if (_used_chars) strscat (USED_CHARS, $$); } | S_ELOWER { $$ = U_ELOWER; if (_used_chars) strscat (USED_CHARS, $$);} | S_DIGITS { $$ = U_DIGITS; if (_used_chars) strscat (USED_CHARS, $$);} | S_SYMBOLS { $$ = U_SPECIAL;if (_used_chars) strscat (USED_CHARS, $$); } | S_RUPPER { $$ = U_RUPPER; if (_used_chars) strscat (USED_CHARS, $$);} | S_RLOWER { $$ = U_RLOWER; if (_used_chars) strscat (USED_CHARS, $$);} | S_USER { $$ = U_USER; if (_used_chars) strscat (USED_CHARS, $$);} | '?' { $$ = U_QUOT; if (_used_chars) strscat (USED_CHARS, $$); } | LETTER { $$ = $1; test_char($$); if (_used_chars) strscat (USED_CHARS, wordtoset ($1)); } | NULL_CHAR { component[i_comp][0] |= C_NULL; $$ = ""; }permutation: '{' { if (i_comp != 0) yyerror ("'{' is not a first char"); in_permutation = TRUE; if (defined_used_chars == FALSE) { strcpy (USED_CHARS, ""); _used_chars = TRUE; } } | '}' { if (! in_permutation) yyerror ("Unexpected \'}\'"); if (i_comp == MAX_PASSWORD) yyerror ("Max password length exceeded"); /* if (i_comp == 0) yyerror ("No chars to permute"); */ _used_chars = FALSE; in_permutation = FALSE; } perm_num { if (component[i_comp] == NULL) if ((component[i_comp] = (char *) malloc (256)) == NULL) yyerror ("Out of memory"); component[i_comp][0] = C_PERMUT; component[i_comp][1] = $3; i_comp++; }perm_num: NUMBER { $$ = $1;} | { $$ = 1; }asterisk: '*' { if (i_comp == 0 || (! isset (component[i_comp-1])) ) yyerror ("Illegal use of \'*\'"); component[i_comp-1][0] |= C_ASTER; aster_comp = i_comp; }?? 快捷鍵說明
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