mirror of
https://github.com/php/php-src.git
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257 lines
7.6 KiB
C
257 lines
7.6 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP version 4.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2001 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.02 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.php.net/license/2_02.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "php.h"
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#include "php_regex.h"
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#include "php_browscap.h"
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#include "php_ini.h"
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#include "zend_globals.h"
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static HashTable browser_hash;
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static zval *current_section;
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#define DEFAULT_SECTION_NAME "Default Browser Capability Settings"
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static void browscap_entry_dtor(zval *pvalue)
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{
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if (pvalue->type == IS_OBJECT) {
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zend_hash_destroy(pvalue->value.obj.properties);
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free(pvalue->value.obj.properties);
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}
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}
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static void convert_browscap_pattern(zval *pattern)
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{
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register int i,j;
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char *t;
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for (i=0; i<pattern->value.str.len; i++) {
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if (pattern->value.str.val[i]=='*' || pattern->value.str.val[i]=='?' || pattern->value.str.val[i]=='.') {
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break;
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}
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}
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if (i==pattern->value.str.len) { /* no wildcards */
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pattern->value.str.val = zend_strndup(pattern->value.str.val, pattern->value.str.len);
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return;
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}
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t = (char *) malloc(pattern->value.str.len*2);
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for (i=0,j=0; i<pattern->value.str.len; i++,j++) {
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switch (pattern->value.str.val[i]) {
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case '?':
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t[j] = '.';
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break;
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case '*':
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t[j++] = '.';
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t[j] = '*';
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break;
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case '.':
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t[j++] = '\\';
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t[j] = '.';
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break;
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default:
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t[j] = pattern->value.str.val[i];
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break;
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}
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}
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t[j]=0;
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pattern->value.str.val = t;
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pattern->value.str.len = j;
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}
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static void php_browscap_parser_cb(zval *arg1, zval *arg2, int callback_type, void *arg)
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{
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switch (callback_type) {
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case ZEND_INI_PARSER_ENTRY:
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if (current_section) {
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zval *new_property;
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char *new_key;
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new_property = (zval *) malloc(sizeof(zval));
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INIT_PZVAL(new_property);
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new_property->value.str.val = Z_STRLEN_P(arg2)?zend_strndup(Z_STRVAL_P(arg2), Z_STRLEN_P(arg2)):"";
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new_property->value.str.len = Z_STRLEN_P(arg2);
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new_property->type = IS_STRING;
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new_key = zend_strndup(Z_STRVAL_P(arg1), Z_STRLEN_P(arg1));
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zend_str_tolower(new_key, Z_STRLEN_P(arg1));
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zend_hash_update(current_section->value.obj.properties, new_key, Z_STRLEN_P(arg1)+1, &new_property, sizeof(zval *), NULL);
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free(new_key);
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}
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break;
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case ZEND_INI_PARSER_SECTION: {
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zval *processed;
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/*printf("'%s' (%d)\n",$1.value.str.val,$1.value.str.len+1);*/
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current_section = (zval *) malloc(sizeof(zval));
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INIT_PZVAL(current_section);
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processed = (zval *) malloc(sizeof(zval));
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INIT_PZVAL(processed);
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current_section->value.obj.ce = &zend_standard_class_def;
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current_section->value.obj.properties = (HashTable *) malloc(sizeof(HashTable));
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current_section->type = IS_OBJECT;
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zend_hash_init(current_section->value.obj.properties, 0, NULL, (dtor_func_t) browscap_entry_dtor, 1);
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zend_hash_update(&browser_hash, Z_STRVAL_P(arg1), Z_STRLEN_P(arg1)+1, (void *) ¤t_section, sizeof(zval *), NULL);
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processed->value.str.val = Z_STRVAL_P(arg1);
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processed->value.str.len = Z_STRLEN_P(arg1);
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processed->type = IS_STRING;
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convert_browscap_pattern(processed);
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zend_hash_update(current_section->value.obj.properties, "browser_name_pattern", sizeof("browser_name_pattern"), (void *) &processed, sizeof(zval *), NULL);
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}
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break;
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}
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}
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PHP_MINIT_FUNCTION(browscap)
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{
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char *browscap = INI_STR("browscap");
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if (browscap) {
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zend_file_handle fh;
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if (zend_hash_init(&browser_hash, 0, NULL, (dtor_func_t) browscap_entry_dtor, 1)==FAILURE) {
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return FAILURE;
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}
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fh.handle.fp = VCWD_FOPEN(browscap, "r");
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if (!fh.handle.fp) {
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php_error(E_CORE_WARNING,"Cannot open '%s' for reading", browscap);
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return FAILURE;
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}
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fh.filename = browscap;
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fh.type = ZEND_HANDLE_FP;
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zend_parse_ini_file(&fh, 1, (zend_ini_parser_cb_t) php_browscap_parser_cb, &browser_hash);
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}
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return SUCCESS;
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}
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PHP_MSHUTDOWN_FUNCTION(browscap)
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{
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if (INI_STR("browscap")) {
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zend_hash_destroy(&browser_hash);
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}
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return SUCCESS;
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}
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static int browser_reg_compare(zval **browser,int num_args, va_list args, zend_hash_key *key)
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{
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zval **browser_name;
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regex_t r;
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char *lookup_browser_name = va_arg(args,char *);
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zval **found_browser_entry = va_arg(args,zval **);
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if (*found_browser_entry) { /* already found */
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return 0;
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}
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if(zend_hash_find((*browser)->value.obj.properties, "browser_name_pattern",sizeof("browser_name_pattern"),(void **) &browser_name) == FAILURE) {
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return 0;
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}
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if (!strchr((*browser_name)->value.str.val,'*')) {
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return 0;
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}
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if (regcomp(&r,(*browser_name)->value.str.val,REG_NOSUB)!=0) {
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return 0;
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}
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if (regexec(&r,lookup_browser_name,0,NULL,0)==0) {
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*found_browser_entry = *browser;
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}
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regfree(&r);
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return 0;
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}
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/* {{{ proto object get_browser(string browser_name)
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Get information about the capabilities of a browser */
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PHP_FUNCTION(get_browser)
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{
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zval **agent_name,**agent;
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zval *found_browser_entry,*tmp_copy;
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char *lookup_browser_name;
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PLS_FETCH();
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if (!INI_STR("browscap")) {
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RETURN_FALSE;
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}
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switch(ZEND_NUM_ARGS()) {
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case 0:
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if (!PG(http_globals)[TRACK_VARS_SERVER]
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|| zend_hash_find(PG(http_globals)[TRACK_VARS_SERVER]->value.ht, "HTTP_USER_AGENT", sizeof("HTTP_USER_AGENT"), (void **) &agent_name)==FAILURE) {
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zend_error(E_WARNING,"HTTP_USER_AGENT variable is not set, cannot determine user agent name");
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RETURN_FALSE;
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}
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break;
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case 1:
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if (zend_get_parameters_ex(1,&agent_name)==FAILURE) {
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RETURN_FALSE;
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}
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break;
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default:
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WRONG_PARAM_COUNT;
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break;
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}
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convert_to_string_ex(agent_name);
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if (zend_hash_find(&browser_hash, (*agent_name)->value.str.val,(*agent_name)->value.str.len+1, (void **) &agent)==FAILURE) {
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lookup_browser_name = (*agent_name)->value.str.val;
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found_browser_entry = NULL;
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zend_hash_apply_with_arguments(&browser_hash,(int (*)(void *, int, va_list, zend_hash_key *)) browser_reg_compare,2,lookup_browser_name,&found_browser_entry);
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if (found_browser_entry) {
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agent = &found_browser_entry;
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} else if (zend_hash_find(&browser_hash, DEFAULT_SECTION_NAME, sizeof(DEFAULT_SECTION_NAME), (void **) &agent)==FAILURE) {
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RETURN_FALSE;
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}
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}
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object_init(return_value);
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zend_hash_copy(return_value->value.obj.properties,(*agent)->value.obj.properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *));
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while (zend_hash_find((*agent)->value.obj.properties, "parent",sizeof("parent"), (void **) &agent_name)==SUCCESS) {
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if (zend_hash_find(&browser_hash,(*agent_name)->value.str.val, (*agent_name)->value.str.len+1, (void **)&agent)==FAILURE) {
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break;
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}
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zend_hash_merge(return_value->value.obj.properties,(*agent)->value.obj.properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *), 0);
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}
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}
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/* }}} */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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*/
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