diff options
Diffstat (limited to 'src/starter/parser.y')
| -rw-r--r-- | src/starter/parser.y | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/src/starter/parser.y b/src/starter/parser.y deleted file mode 100644 index 2cf0501f4..000000000 --- a/src/starter/parser.y +++ /dev/null @@ -1,272 +0,0 @@ -%{ -/* strongSwan config file parser (parser.y) - * Copyright (C) 2001 Mathieu Lafon - Arkoon Network Security - * - * 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. See <http://www.fsf.org/copyleft/gpl.txt>. - * - * 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. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include <library.h> -#include <utils/debug.h> - -#include "ipsec-parser.h" - -#define YYERROR_VERBOSE -#define ERRSTRING_LEN 256 - -/** - * Bison - */ -static char parser_errstring[ERRSTRING_LEN+1]; - -extern void yyerror(const char *s); -extern int yylex (void); -extern void _parser_y_error(char *b, int size, const char *s); - -/** - * Static Globals - */ -static int _save_errors_; -static config_parsed_t *_parser_cfg; -static kw_list_t **_parser_kw, *_parser_kw_last; -static char errbuf[ERRSTRING_LEN+1]; - -/** - * Gperf - */ -extern kw_entry_t *in_word_set (char *str, unsigned int len); - -%} - -%union { char *s; }; -%token EQUAL FIRST_SPACES EOL CONFIG SETUP CONN CA INCLUDE FILE_VERSION -%token <s> STRING - -%% - -/* - * Config file - */ - -config_file: - config_file section_or_include - | /* NULL */ - ; - -section_or_include: - FILE_VERSION STRING EOL - { - free($2); - } - | CONFIG SETUP EOL - { - _parser_kw = &(_parser_cfg->config_setup); - _parser_kw_last = NULL; - } kw_section - | CONN STRING EOL - { - section_list_t *section = malloc_thing(section_list_t); - - section->name = strdupnull($2); - section->kw = NULL; - section->next = NULL; - _parser_kw = &(section->kw); - if (!_parser_cfg->conn_first) - _parser_cfg->conn_first = section; - if (_parser_cfg->conn_last) - _parser_cfg->conn_last->next = section; - _parser_cfg->conn_last = section; - _parser_kw_last = NULL; - free($2); - } kw_section - | CA STRING EOL - { - section_list_t *section = malloc_thing(section_list_t); - section->name = strdupnull($2); - section->kw = NULL; - section->next = NULL; - _parser_kw = &(section->kw); - if (!_parser_cfg->ca_first) - _parser_cfg->ca_first = section; - if (_parser_cfg->ca_last) - _parser_cfg->ca_last->next = section; - _parser_cfg->ca_last = section; - _parser_kw_last = NULL; - free($2); - } kw_section - | INCLUDE STRING - { - extern void _parser_y_include (const char *f); - _parser_y_include($2); - free($2); - } EOL - | EOL - ; - -kw_section: - FIRST_SPACES statement_kw EOL kw_section - | - ; - -statement_kw: - STRING EQUAL STRING - { - kw_list_t *new; - kw_entry_t *entry = in_word_set($1, strlen($1)); - - if (entry == NULL) - { - snprintf(errbuf, ERRSTRING_LEN, "unknown keyword '%s'", $1); - yyerror(errbuf); - } - else if (_parser_kw) - { - new = (kw_list_t *)malloc_thing(kw_list_t); - new->entry = entry; - new->value = strdupnull($3); - new->next = NULL; - if (_parser_kw_last) - _parser_kw_last->next = new; - _parser_kw_last = new; - if (!*_parser_kw) - *_parser_kw = new; - } - free($1); - free($3); - } - | STRING EQUAL - { - free($1); - } - | - ; - -%% - -void yyerror(const char *s) -{ - if (_save_errors_) - _parser_y_error(parser_errstring, ERRSTRING_LEN, s); -} - -config_parsed_t *parser_load_conf(const char *file) -{ - config_parsed_t *cfg = NULL; - int err = 0; - FILE *f; - - extern void _parser_y_init(const char *f); - extern void _parser_y_fini(void); - extern FILE *yyin; - - memset(parser_errstring, 0, ERRSTRING_LEN+1); - - cfg = (config_parsed_t *)malloc_thing(config_parsed_t); - if (cfg) - { - memset(cfg, 0, sizeof(config_parsed_t)); - f = fopen(file, "r"); - if (f) - { - yyin = f; - _parser_y_init(file); - _save_errors_ = 1; - _parser_cfg = cfg; - - if (yyparse() !=0 ) - { - if (parser_errstring[0] == '\0') - { - snprintf(parser_errstring, ERRSTRING_LEN, "Unknown error..."); - } - _save_errors_ = 0; - while (yyparse() != 0); - err++; - } - else if (parser_errstring[0] != '\0') - { - err++; - } - else - { - /** - * Config valid - */ - } - - fclose(f); - } - else - { - snprintf(parser_errstring, ERRSTRING_LEN, "can't load file '%s'", file); - err++; - } - } - else - { - snprintf(parser_errstring, ERRSTRING_LEN, "can't allocate memory"); - err++; - } - - if (err) - { - DBG1(DBG_APP, "%s", parser_errstring); - - if (cfg) - parser_free_conf(cfg); - cfg = NULL; - } - - _parser_y_fini(); - return cfg; -} - -static void parser_free_kwlist(kw_list_t *list) -{ - kw_list_t *elt; - - while (list) - { - elt = list; - list = list->next; - free(elt->value); - free(elt); - } -} - -void parser_free_conf(config_parsed_t *cfg) -{ - section_list_t *sec; - if (cfg) - { - parser_free_kwlist(cfg->config_setup); - while (cfg->conn_first) - { - sec = cfg->conn_first; - cfg->conn_first = cfg->conn_first->next; - free(sec->name); - parser_free_kwlist(sec->kw); - free(sec); - } - while (cfg->ca_first) - { - sec = cfg->ca_first; - cfg->ca_first = cfg->ca_first->next; - free(sec->name); - parser_free_kwlist(sec->kw); - free(sec); - } - free(cfg); - } -} |