]> granicus.if.org Git - php/commitdiff
@- Fixed bug #22386 (Using browscap causes segfault). This fix
authorJay Smith <jay@php.net>
Fri, 14 Mar 2003 17:54:38 +0000 (17:54 +0000)
committerJay Smith <jay@php.net>
Fri, 14 Mar 2003 17:54:38 +0000 (17:54 +0000)
@  also adds an optional bool argument to get_browser() that
@  makes the return value an array instead of an object. (jay)

ext/standard/browscap.c

index 6c9c1f006207e8c2c505960734f0f19bbbc457b6..4cb5cda333a132b3df5635f8770fd078ab558964 100644 (file)
@@ -34,11 +34,11 @@ static zval *current_section;
 
 static void browscap_entry_dtor(zval *pvalue)
 {
-       if (Z_TYPE_P(pvalue) == IS_OBJECT) {
+       if (Z_TYPE_P(pvalue) == IS_ARRAY) {
                TSRMLS_FETCH();
 
-               zend_hash_destroy(Z_OBJPROP_P(pvalue));
-               free(Z_OBJPROP_P(pvalue));
+               zend_hash_destroy(Z_ARRVAL_P(pvalue));
+               free(Z_ARRVAL_P(pvalue));
        }
 }
 
@@ -61,8 +61,9 @@ static void convert_browscap_pattern(zval *pattern)
        }
 
        t = (char *) malloc(Z_STRLEN_P(pattern)*2 + 1);
-       
-       for (i=0, j=0; i<Z_STRLEN_P(pattern); i++, j++) {
+       t[0] = '^';
+
+       for (i=0, j=1; i<Z_STRLEN_P(pattern); i++, j++) {
                switch (Z_STRVAL_P(pattern)[i]) {
                        case '?':
                                t[j] = '.';
@@ -114,32 +115,41 @@ static void php_browscap_parser_cb(zval *arg1, zval *arg2, int callback_type, vo
                                
                                new_key = zend_strndup(Z_STRVAL_P(arg1), Z_STRLEN_P(arg1));
                                zend_str_tolower(new_key, Z_STRLEN_P(arg1));
-                               zend_hash_update(Z_OBJPROP_P(current_section), new_key, Z_STRLEN_P(arg1)+1, &new_property, sizeof(zval *), NULL);
+                               zend_hash_update(Z_ARRVAL_P(current_section), new_key, Z_STRLEN_P(arg1)+1, &new_property, sizeof(zval *), NULL);
                                free(new_key);
                        }
                        break;
                case ZEND_INI_PARSER_SECTION: {
                                zval *processed;
+                               zval *unprocessed;
                                HashTable *section_properties;
                                TSRMLS_FETCH();
 
                                /*printf("'%s' (%d)\n",$1.value.str.val,$1.value.str.len+1);*/
                                current_section = (zval *) malloc(sizeof(zval));
                                INIT_PZVAL(current_section);
+                               array_init(current_section);
                                processed = (zval *) malloc(sizeof(zval));
                                INIT_PZVAL(processed);
+                               unprocessed = (zval *) malloc(sizeof(zval));
+                               INIT_PZVAL(unprocessed);
 
                                section_properties = (HashTable *) malloc(sizeof(HashTable));
-                               _object_and_properties_init(current_section, ZEND_STANDARD_CLASS_DEF_PTR, section_properties ZEND_FILE_LINE_CC TSRMLS_CC);
-                                                                                       
                                zend_hash_init(section_properties, 0, NULL, (dtor_func_t) browscap_entry_dtor, 1);
-                               zend_hash_update(&browser_hash, Z_STRVAL_P(arg1), Z_STRLEN_P(arg1)+1, (void *) &current_section, sizeof(zval *), NULL);  
+                               current_section->value.ht = section_properties;
+                               zend_hash_update(&browser_hash, Z_STRVAL_P(arg1), Z_STRLEN_P(arg1)+1, (void *) &current_section, sizeof(zval *), NULL);
 
                                Z_STRVAL_P(processed) = Z_STRVAL_P(arg1);
                                Z_STRLEN_P(processed) = Z_STRLEN_P(arg1);
                                Z_TYPE_P(processed) = IS_STRING;
+                               Z_STRVAL_P(unprocessed) = Z_STRVAL_P(arg1);
+                               Z_STRLEN_P(unprocessed) = Z_STRLEN_P(arg1);
+                               Z_TYPE_P(unprocessed) = IS_STRING;
+                               Z_STRVAL_P(unprocessed) = zend_strndup(Z_STRVAL_P(unprocessed), Z_STRLEN_P(unprocessed));
+
                                convert_browscap_pattern(processed);
-                               zend_hash_update(section_properties, "browser_name_pattern", sizeof("browser_name_pattern"), (void *) &processed, sizeof(zval *), NULL);
+                               zend_hash_update(section_properties, "browser_name_regex", sizeof("browser_name_regex"), (void *) &processed, sizeof(zval *), NULL);
+                               zend_hash_update(section_properties, "browser_name_pattern", sizeof("browser_name_pattern"), (void *) &unprocessed, sizeof(zval *), NULL);
                        }
                        break;
        }
@@ -154,6 +164,7 @@ PHP_MINIT_FUNCTION(browscap)
 
        if (browscap) {
                zend_file_handle fh;
+               memset(&fh, 0, sizeof(fh));
 
                if (zend_hash_init(&browser_hash, 0, NULL, (dtor_func_t) browscap_entry_dtor, 1)==FAILURE) {
                        return FAILURE;
@@ -197,7 +208,10 @@ static int browser_reg_compare(zval **browser, int num_args, va_list args, zend_
        if (*found_browser_entry) { /* already found */
                return 0;
        }
-       if(zend_hash_find(Z_OBJPROP_PP(browser), "browser_name_pattern", sizeof("browser_name_pattern"), (void **) &browser_name) == FAILURE) {
+       if (zend_hash_find(Z_ARRVAL_PP(browser), "browser_name_regex", sizeof("browser_name_regex"), (void **) &browser_name) == FAILURE) {
+               return 0;
+       }
+       if (Z_STRVAL_PP(browser_name)[0] != '^') {
                return 0;
        }
        if (regcomp(&r, Z_STRVAL_PP(browser_name), REG_NOSUB)!=0) {
@@ -215,35 +229,35 @@ static int browser_reg_compare(zval **browser, int num_args, va_list args, zend_
    Get information about the capabilities of a browser */
 PHP_FUNCTION(get_browser)
 {
-       zval **agent_name, **agent;
+       zval **agent_name = NULL, **agent, **retarr;
        zval *found_browser_entry, *tmp_copy;
        char *lookup_browser_name;
+       zend_bool return_array = 0;
 
        if (!INI_STR("browscap")) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "browscap ini directive not set.");
                RETURN_FALSE;
        }
-       
-       switch(ZEND_NUM_ARGS()) {
-               case 0:
-                       if (!PG(http_globals)[TRACK_VARS_SERVER]
-                               || zend_hash_find(PG(http_globals)[TRACK_VARS_SERVER]->value.ht, "HTTP_USER_AGENT", sizeof("HTTP_USER_AGENT"), (void **) &agent_name)==FAILURE) {
-                               php_error_docref(NULL TSRMLS_CC, E_WARNING, "HTTP_USER_AGENT variable is not set, cannot determine user agent name");
-                               RETURN_FALSE;
-                       }
-                       break;
-               case 1:
-                       if (zend_get_parameters_ex(1, &agent_name)==FAILURE) {
-                               RETURN_FALSE;
-                       }
-                       break;
-               default:
-                       WRONG_PARAM_COUNT;
-                       break;
+
+       if (ZEND_NUM_ARGS() > 2 || zend_get_parameters_ex(ZEND_NUM_ARGS(), &agent_name, &retarr) == FAILURE) {
+               ZEND_WRONG_PARAM_COUNT();
        }
        
+       if (agent_name == NULL || Z_TYPE_PP(agent_name) == IS_NULL) {
+               if (!PG(http_globals)[TRACK_VARS_SERVER]
+                       || zend_hash_find(PG(http_globals)[TRACK_VARS_SERVER]->value.ht, "HTTP_USER_AGENT", sizeof("HTTP_USER_AGENT"), (void **) &agent_name)==FAILURE) {
+                       php_error_docref(NULL TSRMLS_CC, E_WARNING, "HTTP_USER_AGENT variable is not set, cannot determine user agent name");
+                       RETURN_FALSE;
+               }
+       }
+
        convert_to_string_ex(agent_name);
 
+       if (ZEND_NUM_ARGS() == 2) {
+               convert_to_boolean_ex(retarr);
+               return_array = Z_LVAL_PP(retarr);
+       }
+
        if (zend_hash_find(&browser_hash, Z_STRVAL_PP(agent_name), Z_STRLEN_PP(agent_name)+1, (void **) &agent)==FAILURE) {
                lookup_browser_name = Z_STRVAL_PP(agent_name);
                found_browser_entry = NULL;
@@ -255,17 +269,27 @@ PHP_FUNCTION(get_browser)
                        RETURN_FALSE;
                }
        }
-       
-       object_init(return_value);
-       zend_hash_copy(Z_OBJPROP_P(return_value), Z_OBJPROP_PP(agent), (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *));
-       
-       while (zend_hash_find(Z_OBJPROP_PP(agent), "parent", sizeof("parent"), (void **) &agent_name)==SUCCESS) {
 
+       if (return_array) {
+               array_init(return_value);
+               zend_hash_copy(Z_ARRVAL_P(return_value), Z_ARRVAL_PP(agent), (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *));
+       }
+       else {
+               object_init(return_value);
+               zend_hash_copy(Z_OBJPROP_P(return_value), Z_ARRVAL_PP(agent), (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *));
+       }
+       
+       while (zend_hash_find(Z_ARRVAL_PP(agent), "parent", sizeof("parent"), (void **) &agent_name)==SUCCESS) {
                if (zend_hash_find(&browser_hash, Z_STRVAL_PP(agent_name), Z_STRLEN_PP(agent_name)+1, (void **)&agent)==FAILURE) {
                        break;
                }
-               
-               zend_hash_merge(Z_OBJPROP_P(return_value), Z_OBJPROP_PP(agent), (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *), 0);
+
+               if (return_array) {
+                       zend_hash_merge(Z_ARRVAL_P(return_value), Z_ARRVAL_PP(agent), (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *), 0);
+               }
+               else {
+                       zend_hash_merge(Z_OBJPROP_P(return_value), Z_ARRVAL_PP(agent), (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *), 0);
+               }
        }
 }
 /* }}} */