/*

+----------------------------------------------------------------------+

| PHP Version 5 |

+----------------------------------------------------------------------+

| Copyright (c) 1997-2013 The PHP Group |

+----------------------------------------------------------------------+

| This source file is subject to version 3.01 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_01.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> |

+----------------------------------------------------------------------+

*/

/* $Id$ */

#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 "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;

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_name, zval *val, zval *track_vars_array TSRMLS_DC)

{

char *p = NULL;

char *ip; /* index pointer */

char *index;

char *var, *var_orig;

int var_len, index_len;

zval *gpc_element, **gpc_element_p;

zend_bool is_array = 0;

HashTable *symtable1 = NULL;

ALLOCA_FLAG(use_heap)

assert(var_name != NULL);

if (track_vars_array) {

symtable1 = Z_ARRVAL_P(track_vars_array);

}

if (!symtable1) {

/* Nothing to do */

zval_dtor(val);

return;

}

/* ignore leading spaces in the variable name */

while (*var_name && *var_name==' ') {

var_name++;

}

/*

* Prepare variable name

*/

var_len = strlen(var_name);

var = var_orig = do_alloca(var_len + 1, use_heap);

memcpy(var_orig, var_name, var_len + 1);

/* ensure that we don't have spaces or dots in the variable name (not binary safe) */

for (p = var; *p; p++) {

if (*p == ' ' || *p == '.') {

*p='_';

} else if (*p == '[') {

is_array = 1;

ip = p;

*p = 0;

break;

}

}

var_len = p - var;

if (var_len==0) { /* empty variable name, or variable name with a space in it */

zval_dtor(val);

free_alloca(var_orig, use_heap);

return;

}

/* GLOBALS hijack attempt, reject parameter */

if (symtable1 == EG(active_symbol_table) &&

var_len == sizeof("GLOBALS")-1 &&

!memcmp(var, "GLOBALS", sizeof("GLOBALS")-1)) {

zval_dtor(val);

free_alloca(var_orig, use_heap);

return;

}

index = var;

index_len = var_len;

if (is_array) {

int nest_level = 0;

while (1) {

char *index_s;

int new_idx_len = 0;

if(++nest_level > PG(max_input_nesting_level)) {

HashTable *ht;

/* too many levels of nesting */

if (track_vars_array) {

ht = Z_ARRVAL_P(track_vars_array);

zend_symtable_del(ht, var, var_len + 1);

}

zval_dtor(val);

/* do not output the error message to the screen,

this helps us to to avoid "information disclosure" */

if (!PG(display_errors)) {

php_error_docref(NULL TSRMLS_CC, E_WARNING, "Input variable nesting level exceeded %ld. To increase the limit change max_input_nesting_level in php.ini.", PG(max_input_nesting_level));

}

free_alloca(var_orig, use_heap);

return;

}

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 = 0;

if (index) {

index_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);

if (zend_hash_next_index_insert(symtable1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p) == FAILURE) {

zval_ptr_dtor(&gpc_element);

zval_dtor(val);

free_alloca(var_orig, use_heap);

return;

}

} else {

if (zend_symtable_find(symtable1, 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, index, index_len + 1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p);

}

}

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 {

goto plain_var;

}

}

} else {

plain_var:

MAKE_STD_ZVAL(gpc_element);

gpc_element->value = val->value;

Z_TYPE_P(gpc_element) = Z_TYPE_P(val);

if (!index) {

if (zend_hash_next_index_insert(symtable1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p) == FAILURE) {

zval_ptr_dtor(&gpc_element);

}

} else {

/*

* According to rfc2965, more specific paths are listed above the less specific ones.

* If we encounter a duplicate cookie name, we should skip it, since it is not possible

* to have the same (plain text) cookie name for the same path and we should not overwrite

* more specific cookies with the less specific ones.

*/

if (PG(http_globals)[TRACK_VARS_COOKIE] &&

symtable1 == Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_COOKIE]) &&

zend_symtable_exists(symtable1, index, index_len + 1)) {

zval_ptr_dtor(&gpc_element);

} else {

zend_symtable_update(symtable1, index, index_len + 1, &gpc_element, sizeof(zval *), (void **) &gpc_element_p);

}

}

}

free_alloca(var_orig, use_heap);

}

SAPI_API SAPI_POST_HANDLER_FUNC(php_std_post_handler)

{

char *var, *val, *e, *s, *p;

zval *array_ptr = (zval *) arg;

long count = 0;

if (SG(request_info).post_data == NULL) {

return;

}

s = SG(request_info).post_data;

e = s + SG(request_info).post_data_length;

while (s < e && (p = memchr(s, '&', (e - s)))) {

last_value:

if ((val = memchr(s, '=', (p - s)))) { /* have a value */

unsigned int val_len, new_val_len;

if (++count > PG(max_input_vars)) {

php_error_docref(NULL TSRMLS_CC, E_WARNING, "Input variables exceeded %ld. To increase the limit change max_input_vars in php.ini.", PG(max_input_vars));

return;

}

var = s;

php_url_decode(var, (val - s));

val++;

val_len = php_url_decode(val, (p - 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);

}

s = p + 1;

}

if (s < e) {

p = e;

goto last_value;

}

}

SAPI_API SAPI_INPUT_FILTER_FUNC(php_default_input_filter)

{

/* TODO: check .ini setting here and apply user-defined input filter */

if(new_val_len) *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;

zval *array_ptr;

int free_buffer = 0;

char *strtok_buf = NULL;

long count = 0;

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:

if (PG(http_globals)[TRACK_VARS_POST]) {

zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_POST]);

}

PG(http_globals)[TRACK_VARS_POST] = array_ptr;

break;

case PARSE_GET:

if (PG(http_globals)[TRACK_VARS_GET]) {

zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_GET]);

}

PG(http_globals)[TRACK_VARS_GET] = array_ptr;

break;

case PARSE_COOKIE:

if (PG(http_globals)[TRACK_VARS_COOKIE]) {

zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_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 (arg == PARSE_COOKIE) {

/* Remove leading spaces from cookie names, needed for multi-cookie header where ; can be followed by a space */

while (isspace(*var)) {

var++;

}

if (var == val || *var == '\0') {

goto next_cookie;

}

}

if (++count > PG(max_input_vars)) {

php_error_docref(NULL TSRMLS_CC, E_WARNING, "Input variables exceeded %ld. To increase the limit change max_input_vars in php.ini.", PG(max_input_vars));

break;

}

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);

}

next_cookie:

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 */

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);

}

}

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)

{

zval *arr, *argc, *tmp;

int count = 0;

char *ss, *space;

if (!(SG(request_info).argc || track_vars_array)) {

return;

}

ALLOC_INIT_ZVAL(arr);

array_init(arr);

/* 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(zval *), 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(zval *), 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_INIT_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;

if (SG(request_info).argc) {

Z_ADDREF_P(arr);

Z_ADDREF_P(argc);

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) {

Z_ADDREF_P(arr);

Z_ADDREF_P(argc);

zend_hash_update(Z_ARRVAL_P(track_vars_array), "argv", sizeof("argv"), &arr, sizeof(zval *), NULL);

zend_hash_update(Z_ARRVAL_P(track_vars_array), "argc", sizeof("argc"), &argc, sizeof(zval *), NULL);

}

zval_ptr_dtor(&arr);

zval_ptr_dtor(&argc);

}

/* }}} */

/* {{{ php_register_server_variables

*/

static inline void php_register_server_variables(TSRMLS_D)

{

zval *array_ptr = NULL;

ALLOC_ZVAL(array_ptr);

array_init(array_ptr);

INIT_PZVAL(array_ptr);

if (PG(http_globals)[TRACK_VARS_SERVER]) {

zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_SERVER]);

}

PG(http_globals)[TRACK_VARS_SERVER] = array_ptr;

/* 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);

}

if (SG(request_info).auth_digest) {

php_register_variable("PHP_AUTH_DIGEST", SG(request_info).auth_digest, array_ptr TSRMLS_CC);

}

/* store request init time */

{

zval request_time_float, request_time_long;

Z_TYPE(request_time_float) = IS_DOUBLE;

Z_DVAL(request_time_float) = sapi_get_request_time(TSRMLS_C);

php_register_variable_ex("REQUEST_TIME_FLOAT", &request_time_float, array_ptr TSRMLS_CC);

Z_TYPE(request_time_long) = IS_LONG;

Z_LVAL(request_time_long) = zend_dval_to_lval(Z_DVAL(request_time_float));

php_register_variable_ex("REQUEST_TIME", &request_time_long, array_ptr TSRMLS_CC);

}

}

/* }}} */

/* {{{ 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 = (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

) {

Z_ADDREF_PP(src_entry);

if (key_type == HASH_KEY_IS_STRING) {

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 {

Z_DELREF_PP(src_entry);

}

} 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(const char *name, uint name_len TSRMLS_DC);

static zend_bool php_auto_globals_create_env(const char *name, uint name_len TSRMLS_DC);

static zend_bool php_auto_globals_create_request(const char *name, uint name_len TSRMLS_DC);

/* {{{ php_hash_environment

*/

int php_hash_environment(TSRMLS_D)

{

memset(PG(http_globals), 0, sizeof(PG(http_globals)));

zend_activate_auto_globals(TSRMLS_C);

if (PG(register_argc_argv)) {

php_build_argv(SG(request_info).query_string, PG(http_globals)[TRACK_VARS_SERVER] TSRMLS_CC);

}

return SUCCESS;

}

/* }}} */

static zend_bool php_auto_globals_create_get(const char *name, uint name_len TSRMLS_DC)

{

zval *vars;

if (PG(variables_order) && (strchr(PG(variables_order),'G') || strchr(PG(variables_order),'g'))) {

sapi_module.treat_data(PARSE_GET, NULL, NULL TSRMLS_CC);

vars = PG(http_globals)[TRACK_VARS_GET];

} else {

ALLOC_ZVAL(vars);

array_init(vars);

INIT_PZVAL(vars);

if (PG(http_globals)[TRACK_VARS_GET]) {

zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_GET]);

}

PG(http_globals)[TRACK_VARS_GET] = vars;

}

zend_hash_update(&EG(symbol_table), name, name_len + 1, &vars, sizeof(zval *), NULL);

Z_ADDREF_P(vars);

return 0; /* don't rearm */

}

static zend_bool php_auto_globals_create_post(const char *name, uint name_len TSRMLS_DC)

{

zval *vars;

if (PG(variables_order) &&

(strchr(PG(variables_order),'P') || strchr(PG(variables_order),'p')) &&

!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);

vars = PG(http_globals)[TRACK_VARS_POST];

} else {

ALLOC_ZVAL(vars);

array_init(vars);

INIT_PZVAL(vars);

if (PG(http_globals)[TRACK_VARS_POST]) {

zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_POST]);

}

PG(http_globals)[TRACK_VARS_POST] = vars;

}

zend_hash_update(&EG(symbol_table), name, name_len + 1, &vars, sizeof(zval *), NULL);

Z_ADDREF_P(vars);

return 0; /* don't rearm */

}

static zend_bool php_auto_globals_create_cookie(const char *name, uint name_len TSRMLS_DC)

{

zval *vars;

if (PG(variables_order) && (strchr(PG(variables_order),'C') || strchr(PG(variables_order),'c'))) {

sapi_module.treat_data(PARSE_COOKIE, NULL, NULL TSRMLS_CC);

vars = PG(http_globals)[TRACK_VARS_COOKIE];

} else {

ALLOC_ZVAL(vars);

array_init(vars);

INIT_PZVAL(vars);

if (PG(http_globals)[TRACK_VARS_COOKIE]) {

zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_COOKIE]);

}

PG(http_globals)[TRACK_VARS_COOKIE] = vars;

}

zend_hash_update(&EG(symbol_table), name, name_len + 1, &vars, sizeof(zval *), NULL);

Z_ADDREF_P(vars);

return 0; /* don't rearm */

}

static zend_bool php_auto_globals_create_files(const char *name, uint name_len TSRMLS_DC)

{

zval *vars;

if (PG(http_globals)[TRACK_VARS_FILES]) {

vars = PG(http_globals)[TRACK_VARS_FILES];

} else {

ALLOC_ZVAL(vars);

array_init(vars);

INIT_PZVAL(vars);

PG(http_globals)[TRACK_VARS_FILES] = vars;

}

zend_hash_update(&EG(symbol_table), name, name_len + 1, &vars, sizeof(zval *), NULL);

Z_ADDREF_P(vars);

return 0; /* don't rearm */

}

static zend_bool php_auto_globals_create_server(const char *name, uint name_len TSRMLS_DC)

{

if (PG(variables_order) && (strchr(PG(variables_order),'S') || strchr(PG(variables_order),'s'))) {

php_register_server_variables(TSRMLS_C);

if (PG(register_argc_argv)) {

if (SG(request_info).argc) {

zval **argc, **argv;

if (zend_hash_find(&EG(symbol_table), "argc", sizeof("argc"), (void**)&argc) == SUCCESS &&

zend_hash_find(&EG(symbol_table), "argv", sizeof("argv"), (void**)&argv) == SUCCESS) {

Z_ADDREF_PP(argc);

Z_ADDREF_PP(argv);

zend_hash_update(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]), "argv", sizeof("argv"), argv, sizeof(zval *), NULL);

zend_hash_update(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]), "argc", sizeof("argc"), argc, sizeof(zval *), NULL);

}

} else {

php_build_argv(SG(request_info).query_string, PG(http_globals)[TRACK_VARS_SERVER] TSRMLS_CC);

}

}

} else {

zval *server_vars=NULL;

ALLOC_ZVAL(server_vars);

array_init(server_vars);

INIT_PZVAL(server_vars);

if (PG(http_globals)[TRACK_VARS_SERVER]) {

zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_SERVER]);

}

PG(http_globals)[TRACK_VARS_SERVER] = server_vars;

}

zend_hash_update(&EG(symbol_table), name, name_len + 1, &PG(http_globals)[TRACK_VARS_SERVER], sizeof(zval *), NULL);

Z_ADDREF_P(PG(http_globals)[TRACK_VARS_SERVER]);

return 0; /* don't rearm */

}

static zend_bool php_auto_globals_create_env(const char *name, uint name_len TSRMLS_DC)

{

zval *env_vars = NULL;

ALLOC_ZVAL(env_vars);

array_init(env_vars);

INIT_PZVAL(env_vars);

if (PG(http_globals)[TRACK_VARS_ENV]) {

zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_ENV]);

}

PG(http_globals)[TRACK_VARS_ENV] = env_vars;

if (PG(variables_order) && (strchr(PG(variables_order),'E') || strchr(PG(variables_order),'e'))) {

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);

Z_ADDREF_P(PG(http_globals)[TRACK_VARS_ENV]);

return 0; /* don't rearm */

}

static zend_bool php_auto_globals_create_request(const 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);

if (PG(request_order) != NULL) {

p = PG(request_order);

} else {

p = PG(variables_order);

}

for (; 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), name, name_len + 1, &form_variables, sizeof(zval *), NULL);

return 0;

}

void php_startup_auto_globals(TSRMLS_D)

{

zend_register_auto_global(ZEND_STRL("_GET"), 0, php_auto_globals_create_get TSRMLS_CC);

zend_register_auto_global(ZEND_STRL("_POST"), 0, php_auto_globals_create_post TSRMLS_CC);

zend_register_auto_global(ZEND_STRL("_COOKIE"), 0, php_auto_globals_create_cookie TSRMLS_CC);

zend_register_auto_global(ZEND_STRL("_SERVER"), PG(auto_globals_jit), php_auto_globals_create_server TSRMLS_CC);

zend_register_auto_global(ZEND_STRL("_ENV"), PG(auto_globals_jit), php_auto_globals_create_env TSRMLS_CC);

zend_register_auto_global(ZEND_STRL("_REQUEST"), PG(auto_globals_jit), php_auto_globals_create_request TSRMLS_CC);

zend_register_auto_global(ZEND_STRL("_FILES"), 0, php_auto_globals_create_files 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

*/