diff options
Diffstat (limited to 'main/php_variables.c')
| -rw-r--r-- | main/php_variables.c | 794 |
1 files changed, 794 insertions, 0 deletions
diff --git a/main/php_variables.c b/main/php_variables.c new file mode 100644 index 000000000..6ab07fe10 --- /dev/null +++ b/main/php_variables.c @@ -0,0 +1,794 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2004 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.0 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_0.txt. | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca> | + | Zeev Suraski <zeev@zend.com> | + +----------------------------------------------------------------------+ + */ + +/* $Id: php_variables.c,v 1.81.2.3 2005/02/17 04:46:10 iliaa Exp $ */ + +#include <stdio.h> +#include "php.h" +#include "ext/standard/php_standard.h" +#include "ext/standard/credits.h" +#include "php_variables.h" +#include "php_globals.h" +#include "php_content_types.h" +#include "SAPI.h" +#include "php_logos.h" + +#include "zend_globals.h" + + +/* for systems that need to override reading of environment variables */ +void _php_import_environment_variables(zval *array_ptr TSRMLS_DC); +PHPAPI void (*php_import_environment_variables)(zval *array_ptr TSRMLS_DC) = _php_import_environment_variables; + +PHPAPI void php_register_variable(char *var, char *strval, zval *track_vars_array TSRMLS_DC) +{ + php_register_variable_safe(var, strval, strlen(strval), track_vars_array TSRMLS_CC); +} + + +/* binary-safe version */ +PHPAPI void php_register_variable_safe(char *var, char *strval, int str_len, zval *track_vars_array TSRMLS_DC) +{ + zval new_entry; + assert(strval != NULL); + + /* Prepare value */ + Z_STRLEN(new_entry) = str_len; + if (PG(magic_quotes_gpc)) { + Z_STRVAL(new_entry) = php_addslashes(strval, Z_STRLEN(new_entry), &Z_STRLEN(new_entry), 0 TSRMLS_CC); + } else { + Z_STRVAL(new_entry) = estrndup(strval, Z_STRLEN(new_entry)); + } + Z_TYPE(new_entry) = IS_STRING; + + php_register_variable_ex(var, &new_entry, track_vars_array TSRMLS_CC); +} + + +PHPAPI void php_register_variable_ex(char *var, zval *val, pval *track_vars_array TSRMLS_DC) +{ + char *p = NULL; + char *ip; /* index pointer */ + char *index; + int var_len, index_len; + zval *gpc_element, **gpc_element_p; + zend_bool is_array; + HashTable *symtable1=NULL; + + assert(var != NULL); + + if (track_vars_array) { + symtable1 = Z_ARRVAL_P(track_vars_array); + } else if (PG(register_globals)) { + symtable1 = EG(active_symbol_table); + } + if (!symtable1) { + /* Nothing to do */ + zval_dtor(val); + return; + } + + /* + * Prepare variable name + */ + ip = strchr(var, '['); + if (ip) { + is_array = 1; + *ip = 0; + } else { + is_array = 0; + } + /* ignore leading spaces in the variable name */ + while (*var && *var==' ') { + var++; + } + var_len = strlen(var); + if (var_len==0) { /* empty variable name, or variable name with a space in it */ + zval_dtor(val); + return; + } + /* ensure that we don't have spaces or dots in the variable name (not binary safe) */ + for (p=var; *p; p++) { + switch(*p) { + case ' ': + case '.': + *p='_'; + break; + } + } + + index = var; + index_len = var_len; + + while (1) { + if (is_array) { + char *escaped_index = NULL, *index_s; + int new_idx_len = 0; + + ip++; + index_s = ip; + if (isspace(*ip)) { + ip++; + } + if (*ip==']') { + index_s = NULL; + } else { + ip = strchr(ip, ']'); + if (!ip) { + /* PHP variables cannot contain '[' in their names, so we replace the character with a '_' */ + *(index_s - 1) = '_'; + + index_len = var_len = 0; + if (index) { + index_len = var_len = strlen(index); + } + goto plain_var; + return; + } + *ip = 0; + new_idx_len = strlen(index_s); + } + + if (!index) { + MAKE_STD_ZVAL(gpc_element); + array_init(gpc_element); + zend_hash_next_index_insert(symtable1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p); + } else { + if (PG(magic_quotes_gpc) && (index!=var)) { + /* no need to addslashes() the index if it's the main variable name */ + escaped_index = php_addslashes(index, index_len, &index_len, 0 TSRMLS_CC); + } else { + escaped_index = index; + } + if (zend_symtable_find(symtable1, escaped_index, index_len+1, (void **) &gpc_element_p)==FAILURE + || Z_TYPE_PP(gpc_element_p) != IS_ARRAY) { + MAKE_STD_ZVAL(gpc_element); + array_init(gpc_element); + zend_symtable_update(symtable1, escaped_index, index_len+1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p); + } + if (index!=escaped_index) { + efree(escaped_index); + } + } + symtable1 = Z_ARRVAL_PP(gpc_element_p); + /* ip pointed to the '[' character, now obtain the key */ + index = index_s; + index_len = new_idx_len; + + ip++; + if (*ip=='[') { + is_array = 1; + *ip = 0; + } else { + is_array = 0; + } + } else { +plain_var: + MAKE_STD_ZVAL(gpc_element); + gpc_element->value = val->value; + Z_TYPE_P(gpc_element) = Z_TYPE_P(val); + if (!index) { + zend_hash_next_index_insert(symtable1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p); + } else { + char *escaped_index = php_addslashes(index, index_len, &index_len, 0 TSRMLS_CC); + zend_symtable_update(symtable1, escaped_index, index_len+1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p); + efree(escaped_index); + } + break; + } + } +} + + +SAPI_API SAPI_POST_HANDLER_FUNC(php_std_post_handler) +{ + char *var, *val; + char *strtok_buf = NULL; + zval *array_ptr = (zval *) arg; + + if (SG(request_info).post_data==NULL) { + return; + } + + var = php_strtok_r(SG(request_info).post_data, "&", &strtok_buf); + + while (var) { + val = strchr(var, '='); + if (val) { /* have a value */ + unsigned int val_len, new_val_len; + + *val++ = '\0'; + php_url_decode(var, strlen(var)); + val_len = php_url_decode(val, strlen(val)); + val = estrndup(val, val_len); + if (sapi_module.input_filter(PARSE_POST, var, &val, val_len, &new_val_len TSRMLS_CC)) { + php_register_variable_safe(var, val, new_val_len, array_ptr TSRMLS_CC); + } + efree(val); + } + var = php_strtok_r(NULL, "&", &strtok_buf); + } +} + +SAPI_API SAPI_INPUT_FILTER_FUNC(php_default_input_filter) +{ + /* TODO: check .ini setting here and apply user-defined input filter */ + *new_val_len = val_len; + return 1; +} + +SAPI_API SAPI_TREAT_DATA_FUNC(php_default_treat_data) +{ + char *res = NULL, *var, *val, *separator=NULL; + const char *c_var; + pval *array_ptr; + int free_buffer=0; + char *strtok_buf = NULL; + + switch (arg) { + case PARSE_POST: + case PARSE_GET: + case PARSE_COOKIE: + ALLOC_ZVAL(array_ptr); + array_init(array_ptr); + INIT_PZVAL(array_ptr); + switch (arg) { + case PARSE_POST: + PG(http_globals)[TRACK_VARS_POST] = array_ptr; + break; + case PARSE_GET: + PG(http_globals)[TRACK_VARS_GET] = array_ptr; + break; + case PARSE_COOKIE: + PG(http_globals)[TRACK_VARS_COOKIE] = array_ptr; + break; + } + break; + default: + array_ptr=destArray; + break; + } + + if (arg==PARSE_POST) { + sapi_handle_post(array_ptr TSRMLS_CC); + return; + } + + if (arg == PARSE_GET) { /* GET data */ + c_var = SG(request_info).query_string; + if (c_var && *c_var) { + res = (char *) estrdup(c_var); + free_buffer = 1; + } else { + free_buffer = 0; + } + } else if (arg == PARSE_COOKIE) { /* Cookie data */ + c_var = SG(request_info).cookie_data; + if (c_var && *c_var) { + res = (char *) estrdup(c_var); + free_buffer = 1; + } else { + free_buffer = 0; + } + } else if (arg == PARSE_STRING) { /* String data */ + res = str; + free_buffer = 1; + } + + if (!res) { + return; + } + + switch (arg) { + case PARSE_GET: + case PARSE_STRING: + separator = (char *) estrdup(PG(arg_separator).input); + break; + case PARSE_COOKIE: + separator = ";\0"; + break; + } + + var = php_strtok_r(res, separator, &strtok_buf); + + while (var) { + val = strchr(var, '='); + if (val) { /* have a value */ + int val_len; + unsigned int new_val_len; + + *val++ = '\0'; + php_url_decode(var, strlen(var)); + val_len = php_url_decode(val, strlen(val)); + val = estrndup(val, val_len); + if (sapi_module.input_filter(arg, var, &val, val_len, &new_val_len TSRMLS_CC)) { + php_register_variable_safe(var, val, new_val_len, array_ptr TSRMLS_CC); + } + efree(val); + } else { + int val_len; + unsigned int new_val_len; + + php_url_decode(var, strlen(var)); + val_len = 0; + val = estrndup("", val_len); + if (sapi_module.input_filter(arg, var, &val, val_len, &new_val_len TSRMLS_CC)) { + php_register_variable_safe(var, val, new_val_len, array_ptr TSRMLS_CC); + } + efree(val); + } + var = php_strtok_r(NULL, separator, &strtok_buf); + } + + if(arg != PARSE_COOKIE) { + efree(separator); + } + + if (free_buffer) { + efree(res); + } +} + +void _php_import_environment_variables(zval *array_ptr TSRMLS_DC) +{ + char buf[128]; + char **env, *p, *t = buf; + size_t alloc_size = sizeof(buf); + unsigned long nlen; /* ptrdiff_t is not portable */ + + /* turn off magic_quotes while importing environment variables */ + int magic_quotes_gpc = PG(magic_quotes_gpc); + PG(magic_quotes_gpc) = 0; + + for (env = environ; env != NULL && *env != NULL; env++) { + p = strchr(*env, '='); + if (!p) { /* malformed entry? */ + continue; + } + nlen = p - *env; + if (nlen >= alloc_size) { + alloc_size = nlen + 64; + t = (t == buf ? emalloc(alloc_size): erealloc(t, alloc_size)); + } + memcpy(t, *env, nlen); + t[nlen] = '\0'; + php_register_variable(t, p+1, array_ptr TSRMLS_CC); + } + if (t != buf && t != NULL) { + efree(t); + } + PG(magic_quotes_gpc) = magic_quotes_gpc; +} + + +zend_bool php_std_auto_global_callback(char *name, uint name_len TSRMLS_DC) +{ + zend_printf("%s\n", name); + return 0; /* don't rearm */ +} + +/* {{{ php_build_argv + */ +static void php_build_argv(char *s, zval *track_vars_array TSRMLS_DC) +{ + pval *arr, *argc, *tmp; + int count = 0; + char *ss, *space; + + if (! (PG(register_globals) || SG(request_info).argc || + PG(http_globals)[TRACK_VARS_SERVER]) ) { + return; + } + + ALLOC_ZVAL(arr); + array_init(arr); + arr->is_ref = 0; + arr->refcount = 0; + + /* Prepare argv */ + if (SG(request_info).argc) { /* are we in cli sapi? */ + int i; + for (i=0; i<SG(request_info).argc; i++) { + ALLOC_ZVAL(tmp); + Z_TYPE_P(tmp) = IS_STRING; + Z_STRLEN_P(tmp) = strlen(SG(request_info).argv[i]); + Z_STRVAL_P(tmp) = estrndup(SG(request_info).argv[i], Z_STRLEN_P(tmp)); + INIT_PZVAL(tmp); + if (zend_hash_next_index_insert(Z_ARRVAL_P(arr), &tmp, sizeof(pval *), NULL)==FAILURE) { + if (Z_TYPE_P(tmp) == IS_STRING) { + efree(Z_STRVAL_P(tmp)); + } + } + } + } else if (s && *s) { + ss = s; + while (ss) { + space = strchr(ss, '+'); + if (space) { + *space = '\0'; + } + /* auto-type */ + ALLOC_ZVAL(tmp); + Z_TYPE_P(tmp) = IS_STRING; + Z_STRLEN_P(tmp) = strlen(ss); + Z_STRVAL_P(tmp) = estrndup(ss, Z_STRLEN_P(tmp)); + INIT_PZVAL(tmp); + count++; + if (zend_hash_next_index_insert(Z_ARRVAL_P(arr), &tmp, sizeof(pval *), NULL)==FAILURE) { + if (Z_TYPE_P(tmp) == IS_STRING) { + efree(Z_STRVAL_P(tmp)); + } + } + if (space) { + *space = '+'; + ss = space + 1; + } else { + ss = space; + } + } + } + + /* prepare argc */ + ALLOC_ZVAL(argc); + if (SG(request_info).argc) { + Z_LVAL_P(argc) = SG(request_info).argc; + } else { + Z_LVAL_P(argc) = count; + } + Z_TYPE_P(argc) = IS_LONG; + argc->is_ref = 0; + argc->refcount = 0; + + if (PG(register_globals) || SG(request_info).argc) { + arr->refcount++; + argc->refcount++; + zend_hash_update(&EG(symbol_table), "argv", sizeof("argv"), &arr, sizeof(zval *), NULL); + zend_hash_add(&EG(symbol_table), "argc", sizeof("argc"), &argc, sizeof(zval *), NULL); + } + if (track_vars_array) { + arr->refcount++; + argc->refcount++; + zend_hash_update(Z_ARRVAL_P(track_vars_array), "argv", sizeof("argv"), &arr, sizeof(pval *), NULL); + zend_hash_update(Z_ARRVAL_P(track_vars_array), "argc", sizeof("argc"), &argc, sizeof(pval *), NULL); + } +} +/* }}} */ + +/* {{{ php_handle_special_queries + */ +PHPAPI int php_handle_special_queries(TSRMLS_D) +{ + if (SG(request_info).query_string && SG(request_info).query_string[0]=='=' + && PG(expose_php)) { + if (php_info_logos(SG(request_info).query_string+1 TSRMLS_CC)) { + return 1; + } else if (!strcmp(SG(request_info).query_string+1, PHP_CREDITS_GUID)) { + php_print_credits(PHP_CREDITS_ALL TSRMLS_CC); + return 1; + } + } + return 0; +} +/* }}} */ + + + +/* {{{ php_register_server_variables + */ +static inline void php_register_server_variables(TSRMLS_D) +{ + zval *array_ptr=NULL; + /* turn off magic_quotes while importing server variables */ + int magic_quotes_gpc = PG(magic_quotes_gpc); + + ALLOC_ZVAL(array_ptr); + array_init(array_ptr); + INIT_PZVAL(array_ptr); + PG(http_globals)[TRACK_VARS_SERVER] = array_ptr; + PG(magic_quotes_gpc) = 0; + + /* Server variables */ + if (sapi_module.register_server_variables) { + sapi_module.register_server_variables(array_ptr TSRMLS_CC); + } + + /* PHP Authentication support */ + if (SG(request_info).auth_user) { + php_register_variable("PHP_AUTH_USER", SG(request_info).auth_user, array_ptr TSRMLS_CC); + } + if (SG(request_info).auth_password) { + php_register_variable("PHP_AUTH_PW", SG(request_info).auth_password, array_ptr TSRMLS_CC); + } + PG(magic_quotes_gpc) = magic_quotes_gpc; +} +/* }}} */ + + + +/* {{{ php_autoglobal_merge + */ +static void php_autoglobal_merge(HashTable *dest, HashTable *src TSRMLS_DC) +{ + zval **src_entry, **dest_entry; + char *string_key; + uint string_key_len; + ulong num_key; + HashPosition pos; + int key_type; + int globals_check = (PG(register_globals) && (dest == (&EG(symbol_table)))); + + zend_hash_internal_pointer_reset_ex(src, &pos); + while (zend_hash_get_current_data_ex(src, (void **)&src_entry, &pos) == SUCCESS) { + key_type = zend_hash_get_current_key_ex(src, &string_key, &string_key_len, &num_key, 0, &pos); + if (Z_TYPE_PP(src_entry) != IS_ARRAY + || (key_type==HASH_KEY_IS_STRING && zend_hash_find(dest, string_key, string_key_len, (void **) &dest_entry) != SUCCESS) + || (key_type==HASH_KEY_IS_LONG && zend_hash_index_find(dest, num_key, (void **)&dest_entry) != SUCCESS) + || Z_TYPE_PP(dest_entry) != IS_ARRAY) { + (*src_entry)->refcount++; + if (key_type == HASH_KEY_IS_STRING) { + /* if register_globals is on and working with main symbol table, prevent overwriting of GLOBALS */ + if (!globals_check || string_key_len != sizeof("GLOBALS") || memcmp(string_key, "GLOBALS", sizeof("GLOBALS") - 1)) { + zend_hash_update(dest, string_key, string_key_len, src_entry, sizeof(zval *), NULL); + } else { + (*src_entry)->refcount--; + } + } else { + zend_hash_index_update(dest, num_key, src_entry, sizeof(zval *), NULL); + } + } else { + SEPARATE_ZVAL(dest_entry); + php_autoglobal_merge(Z_ARRVAL_PP(dest_entry), Z_ARRVAL_PP(src_entry) TSRMLS_CC); + } + zend_hash_move_forward_ex(src, &pos); + } +} +/* }}} */ + + +static zend_bool php_auto_globals_create_server(char *name, uint name_len TSRMLS_DC); +static zend_bool php_auto_globals_create_env(char *name, uint name_len TSRMLS_DC); +static zend_bool php_auto_globals_create_request(char *name, uint name_len TSRMLS_DC); + + +/* {{{ php_hash_environment + */ +int php_hash_environment(TSRMLS_D) +{ + char *p; + unsigned char _gpc_flags[5] = {0, 0, 0, 0, 0}; + zval *dummy_track_vars_array = NULL; + zend_bool initialized_dummy_track_vars_array=0; + zend_bool jit_initialization = (PG(auto_globals_jit) && !PG(register_globals) && !PG(register_long_arrays) && !PG(register_argc_argv)); + struct auto_global_record { + char *name; + uint name_len; + char *long_name; + uint long_name_len; + zend_bool jit_initialization; + } auto_global_records[] = { + { "_POST", sizeof("_POST"), "HTTP_POST_VARS", sizeof("HTTP_POST_VARS"), 0 }, + { "_GET", sizeof("_GET"), "HTTP_GET_VARS", sizeof("HTTP_GET_VARS"), 0 }, + { "_COOKIE", sizeof("_COOKIE"), "HTTP_COOKIE_VARS", sizeof("HTTP_COOKIE_VARS"), 0 }, + { "_SERVER", sizeof("_SERVER"), "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS"), 1 }, + { "_ENV", sizeof("_ENV"), "HTTP_ENV_VARS", sizeof("HTTP_ENV_VARS"), 1 }, + { "_FILES", sizeof("_FILES"), "HTTP_POST_FILES", sizeof("HTTP_POST_FILES"), 0 }, + }; + size_t num_track_vars = sizeof(auto_global_records)/sizeof(struct auto_global_record); + size_t i; + + /* jit_initialization = 0; */ + for (i=0; i<num_track_vars; i++) { + PG(http_globals)[i] = NULL; + } + + for (p=PG(variables_order); p && *p; p++) { + switch(*p) { + case 'p': + case 'P': + if (!_gpc_flags[0] && !SG(headers_sent) && SG(request_info).request_method && !strcasecmp(SG(request_info).request_method, "POST")) { + sapi_module.treat_data(PARSE_POST, NULL, NULL TSRMLS_CC); /* POST Data */ + _gpc_flags[0]=1; + if (PG(register_globals)) { + php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_POST]) TSRMLS_CC); + } + } + break; + case 'c': + case 'C': + if (!_gpc_flags[1]) { + sapi_module.treat_data(PARSE_COOKIE, NULL, NULL TSRMLS_CC); /* Cookie Data */ + _gpc_flags[1]=1; + if (PG(register_globals)) { + php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_COOKIE]) TSRMLS_CC); + } + } + break; + case 'g': + case 'G': + if (!_gpc_flags[2]) { + sapi_module.treat_data(PARSE_GET, NULL, NULL TSRMLS_CC); /* GET Data */ + _gpc_flags[2]=1; + if (PG(register_globals)) { + php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_GET]) TSRMLS_CC); + } + } + break; + case 'e': + case 'E': + if (!jit_initialization && !_gpc_flags[3]) { + zend_auto_global_disable_jit("_ENV", sizeof("_ENV")-1 TSRMLS_CC); + php_auto_globals_create_env("_ENV", sizeof("_ENV")-1 TSRMLS_CC); + _gpc_flags[3]=1; + if (PG(register_globals)) { + php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_ENV]) TSRMLS_CC); + } + } + break; + case 's': + case 'S': + if (!jit_initialization && !_gpc_flags[4]) { + zend_auto_global_disable_jit("_SERVER", sizeof("_SERVER")-1 TSRMLS_CC); + php_register_server_variables(TSRMLS_C); + _gpc_flags[4]=1; + if (PG(register_globals)) { + php_autoglobal_merge(&EG(symbol_table), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]) TSRMLS_CC); + } + } + break; + } + } + + /* argv/argc support */ + if (PG(register_argc_argv)) { + php_build_argv(SG(request_info).query_string, PG(http_globals)[TRACK_VARS_SERVER] TSRMLS_CC); + } + + for (i=0; i<num_track_vars; i++) { + if (jit_initialization && auto_global_records[i].jit_initialization) { + continue; + } + if (!PG(http_globals)[i]) { + if (!initialized_dummy_track_vars_array) { + ALLOC_ZVAL(dummy_track_vars_array); + array_init(dummy_track_vars_array); + INIT_PZVAL(dummy_track_vars_array); + initialized_dummy_track_vars_array = 1; + } else { + dummy_track_vars_array->refcount++; + } + PG(http_globals)[i] = dummy_track_vars_array; + } + + zend_hash_update(&EG(symbol_table), auto_global_records[i].name, auto_global_records[i].name_len, &PG(http_globals)[i], sizeof(zval *), NULL); + PG(http_globals)[i]->refcount++; + if (PG(register_long_arrays)) { + zend_hash_update(&EG(symbol_table), auto_global_records[i].long_name, auto_global_records[i].long_name_len, &PG(http_globals)[i], sizeof(zval *), NULL); + PG(http_globals)[i]->refcount++; + } + } + + /* Create _REQUEST */ + if (!jit_initialization) { + zend_auto_global_disable_jit("_REQUEST", sizeof("_REQUEST")-1 TSRMLS_CC); + php_auto_globals_create_request("_REQUEST", sizeof("_REQUEST")-1 TSRMLS_CC); + } + + return SUCCESS; +} +/* }}} */ + + +static zend_bool php_auto_globals_create_server(char *name, uint name_len TSRMLS_DC) +{ + php_register_server_variables(TSRMLS_C); + + zend_hash_update(&EG(symbol_table), name, name_len+1, &PG(http_globals)[TRACK_VARS_SERVER], sizeof(zval *), NULL); + PG(http_globals)[TRACK_VARS_SERVER]->refcount++; + + if (PG(register_long_arrays)) { + zend_hash_update(&EG(symbol_table), "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS"), &PG(http_globals)[TRACK_VARS_SERVER], sizeof(zval *), NULL); + PG(http_globals)[TRACK_VARS_SERVER]->refcount++; + } + + return 0; /* don't rearm */ +} + + +static zend_bool php_auto_globals_create_env(char *name, uint name_len TSRMLS_DC) +{ + zval *env_vars=NULL; + ALLOC_ZVAL(env_vars); + array_init(env_vars); + INIT_PZVAL(env_vars); + PG(http_globals)[TRACK_VARS_ENV] = env_vars; + + php_import_environment_variables(PG(http_globals)[TRACK_VARS_ENV] TSRMLS_CC); + + zend_hash_update(&EG(symbol_table), name, name_len+1, &PG(http_globals)[TRACK_VARS_ENV], sizeof(zval *), NULL); + PG(http_globals)[TRACK_VARS_ENV]->refcount++; + + if (PG(register_long_arrays)) { + zend_hash_update(&EG(symbol_table), "HTTP_ENV_VARS", sizeof("HTTP_ENV_VARS"), &PG(http_globals)[TRACK_VARS_ENV], sizeof(zval *), NULL); + PG(http_globals)[TRACK_VARS_ENV]->refcount++; + } + + return 0; /* don't rearm */ +} + + +static zend_bool php_auto_globals_create_request(char *name, uint name_len TSRMLS_DC) +{ + zval *form_variables; + unsigned char _gpc_flags[3] = {0, 0, 0}; + char *p; + + ALLOC_ZVAL(form_variables); + array_init(form_variables); + INIT_PZVAL(form_variables); + + for (p=PG(variables_order); p && *p; p++) { + switch (*p) { + case 'g': + case 'G': + if (!_gpc_flags[0]) { + php_autoglobal_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_GET]) TSRMLS_CC); + _gpc_flags[0] = 1; + } + break; + case 'p': + case 'P': + if (!_gpc_flags[1]) { + php_autoglobal_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_POST]) TSRMLS_CC); + _gpc_flags[1] = 1; + } + break; + case 'c': + case 'C': + if (!_gpc_flags[2]) { + php_autoglobal_merge(Z_ARRVAL_P(form_variables), Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_COOKIE]) TSRMLS_CC); + _gpc_flags[2] = 1; + } + break; + } + } + + zend_hash_update(&EG(symbol_table), "_REQUEST", sizeof("_REQUEST"), &form_variables, sizeof(zval *), NULL); + return 0; +} + + +void php_startup_auto_globals(TSRMLS_D) +{ + zend_register_auto_global("_GET", sizeof("_GET")-1, NULL TSRMLS_CC); + zend_register_auto_global("_POST", sizeof("_POST")-1, NULL TSRMLS_CC); + zend_register_auto_global("_COOKIE", sizeof("_COOKIE")-1, NULL TSRMLS_CC); + zend_register_auto_global("_SERVER", sizeof("_SERVER")-1, php_auto_globals_create_server TSRMLS_CC); + zend_register_auto_global("_ENV", sizeof("_ENV")-1, php_auto_globals_create_env TSRMLS_CC); + zend_register_auto_global("_REQUEST", sizeof("_REQUEST")-1, php_auto_globals_create_request TSRMLS_CC); + zend_register_auto_global("_FILES", sizeof("_FILES")-1, NULL TSRMLS_CC); +} + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim600: sw=4 ts=4 fdm=marker + * vim<600: sw=4 ts=4 + */ |