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https://github.com/php/php-src.git
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134 lines
4.5 KiB
C
134 lines
4.5 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP HTML Embedded Scripting Language Version 3.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
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+----------------------------------------------------------------------+
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| This program is free software; you can redistribute it and/or modify |
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| it under the terms of one of the following licenses: |
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| |
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| A) the GNU General Public License as published by the Free Software |
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| Foundation; either version 2 of the License, or (at your option) |
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| any later version. |
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| |
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| B) the PHP License as published by the PHP Development Team and |
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| included in the distribution in the file: LICENSE |
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| |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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| |
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| You should have received a copy of both licenses referred to here. |
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| If you did not, or have any questions about PHP licensing, please |
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| contact core@php.net. |
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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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#include "php.h"
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#include "php3_browscap.h"
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#include "php_ini.h"
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#include "zend_globals.h"
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#ifndef THREAD_SAFE
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HashTable browser_hash;
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static char *lookup_browser_name;
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static pval *found_browser_entry;
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#endif
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function_entry browscap_functions[] = {
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{"get_browser", php3_get_browser, NULL},
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{NULL, NULL, NULL}
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};
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php3_module_entry browscap_module_entry = {
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"browscap", browscap_functions, php3_minit_browscap, php3_mshutdown_browscap, NULL, NULL, NULL, STANDARD_MODULE_PROPERTIES
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};
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static int browser_reg_compare(pval *browser)
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{
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pval *browser_name;
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regex_t r;
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if (found_browser_entry) { /* already found */
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return 0;
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}
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_php3_hash_find(browser->value.ht,"browser_name_pattern",sizeof("browser_name_pattern"),(void **) &browser_name);
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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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void php3_get_browser(INTERNAL_FUNCTION_PARAMETERS)
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{
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pval *agent_name,*agent,tmp;
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ELS_FETCH();
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if (!INI_STR("browscap")) {
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RETURN_FALSE;
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}
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switch(ARG_COUNT(ht)) {
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case 0:
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if (_php3_hash_find(&EG(symbol_table), "HTTP_USER_AGENT", sizeof("HTTP_USER_AGENT"), (void **) &agent_name)==FAILURE) {
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agent_name = &tmp;
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var_reset(agent_name);
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}
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break;
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case 1:
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if (getParameters(ht, 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(agent_name);
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if (_php3_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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_php3_hash_apply(&browser_hash,(int (*)(void *)) browser_reg_compare);
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if (found_browser_entry) {
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agent = found_browser_entry;
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} else if (_php3_hash_find(&browser_hash, "Default Browser", sizeof("Default Browser"), (void **) &agent)==FAILURE) {
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RETURN_FALSE;
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}
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}
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*return_value = *agent;
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return_value->type = IS_OBJECT;
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pval_copy_constructor(return_value);
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return_value->value.ht->pDestructor = PVAL_DESTRUCTOR;
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while (_php3_hash_find(agent->value.ht, "parent", sizeof("parent"), (void **) &agent_name)==SUCCESS) {
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if (_php3_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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_php3_hash_merge(return_value->value.ht,agent->value.ht,(void (*)(void *pData)) pval_copy_constructor, (void *) &tmp, sizeof(pval));
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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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