php-src/phpdbg_webdata_transfer.c

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2014-10-25 01:22:45 +08:00
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 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: Bob Weinand <bwoebi@php.net> |
+----------------------------------------------------------------------+
*/
#include "phpdbg_webdata_transfer.h"
#include "ext/standard/php_var.h"
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PHPDBG_API void phpdbg_webdata_compress(char **msg, int *len TSRMLS_DC) {
zval array;
HashTable *ht;
/* I really need to change that to an array of zvals... */
zval zv1 = {{0}}, *zvp1 = &zv1;
zval zv2 = {{0}}, *zvp2 = &zv2;
zval zv3 = {{0}}, *zvp3 = &zv3;
zval zv4 = {{0}}, *zvp4 = &zv4;
zval zv5 = {{0}}, *zvp5 = &zv5;
zval zv6 = {{0}}, *zvp6 = &zv6;
zval zv7 = {{0}}, *zvp7 = &zv7;
zval zv8 = {{0}}, *zvp8 = &zv8;
array_init(&array);
ht = Z_ARRVAL(array);
/* fetch superglobals */
{
zend_is_auto_global(ZEND_STRL("GLOBALS") TSRMLS_CC);
/* might be JIT */
zend_is_auto_global(ZEND_STRL("_ENV") TSRMLS_CC);
zend_is_auto_global(ZEND_STRL("_SERVER") TSRMLS_CC);
zend_is_auto_global(ZEND_STRL("_REQUEST") TSRMLS_CC);
array_init(&zv1);
zend_hash_copy(Z_ARRVAL(zv1), &EG(symbol_table), NULL, (void *) NULL, sizeof(zval *));
Z_ARRVAL(zv1)->pDestructor = NULL; /* we're operating on a copy! Don't double free zvals */
zend_hash_del(Z_ARRVAL(zv1), "GLOBALS", sizeof("GLOBALS")); /* do not use the reference to itself in json */
zend_hash_add(ht, "GLOBALS", sizeof("GLOBALS"), &zvp1, sizeof(zval *), NULL);
}
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#if PHP_VERSION_ID >= 50600
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/* save php://input */
{
php_stream *stream;
int len;
char *contents;
stream = php_stream_temp_create_ex(TEMP_STREAM_DEFAULT, SAPI_POST_BLOCK_SIZE, PG(upload_tmp_dir));
if ((len = php_stream_copy_to_mem(stream, &contents, PHP_STREAM_COPY_ALL, 0)) > 0) {
ZVAL_STRINGL(&zv2, contents, len, 0);
} else {
ZVAL_EMPTY_STRING(&zv2);
}
Z_SET_REFCOUNT(zv2, 2);
zend_hash_add(ht, "input", sizeof("input"), &zvp2, sizeof(zval *), NULL);
}
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#endif
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/* change sapi name */
{
if (sapi_module.name) {
ZVAL_STRING(&zv6, sapi_module.name, 0);
} else {
Z_TYPE(zv6) = IS_NULL;
}
Z_SET_REFCOUNT(zv6, 2);
zend_hash_add(ht, "sapi_name", sizeof("sapi_name"), &zvp6, sizeof(zval *), NULL);
}
/* handle modules / extensions */
{
HashPosition position;
zend_module_entry *module;
zend_extension *extension;
zend_llist_position pos;
array_init(&zv7);
for (zend_hash_internal_pointer_reset_ex(&module_registry, &position);
zend_hash_get_current_data_ex(&module_registry, (void**) &module, &position) == SUCCESS;
zend_hash_move_forward_ex(&module_registry, &position)) {
zval **value = emalloc(sizeof(zval *));
ALLOC_ZVAL(*value);
ZVAL_STRING(*value, module->name, 1);
zend_hash_next_index_insert(Z_ARRVAL(zv7), value, sizeof(zval *), NULL);
}
zend_hash_add(ht, "modules", sizeof("modules"), &zvp7, sizeof(zval *), NULL);
array_init(&zv8);
extension = (zend_extension *) zend_llist_get_first_ex(&zend_extensions, &pos);
while (extension) {
zval **value = emalloc(sizeof(zval *));
ALLOC_ZVAL(*value);
ZVAL_STRING(*value, extension->name, 1);
zend_hash_next_index_insert(Z_ARRVAL(zv8), value, sizeof(zval *), NULL);
extension = (zend_extension *) zend_llist_get_next_ex(&zend_extensions, &pos);
}
zend_hash_add(ht, "extensions", sizeof("extensions"), &zvp8, sizeof(zval *), NULL);
}
/* switch cwd */
if (SG(options) & SAPI_OPTION_NO_CHDIR) {
char *ret = NULL;
char path[MAXPATHLEN];
#if HAVE_GETCWD
ret = VCWD_GETCWD(path, MAXPATHLEN);
#elif HAVE_GETWD
ret = VCWD_GETWD(path);
#endif
if (ret) {
ZVAL_STRING(&zv5, path, 1);
Z_SET_REFCOUNT(zv5, 1);
zend_hash_add(ht, "cwd", sizeof("cwd"), &zvp5, sizeof(zval *), NULL);
}
}
/* get system ini entries */
{
HashPosition position;
zend_ini_entry *ini_entry;
array_init(&zv3);
for (zend_hash_internal_pointer_reset_ex(EG(ini_directives), &position);
zend_hash_get_current_data_ex(EG(ini_directives), (void**) &ini_entry, &position) == SUCCESS;
zend_hash_move_forward_ex(EG(ini_directives), &position)) {
zval **value = emalloc(sizeof(zval *));
if (ini_entry->modified) {
if (!ini_entry->orig_value) {
efree(value);
continue;
}
ALLOC_ZVAL(*value);
ZVAL_STRINGL(*value, ini_entry->orig_value, ini_entry->orig_value_length, 1);
} else {
if (!ini_entry->value) {
efree(value);
continue;
}
ALLOC_ZVAL(*value);
ZVAL_STRINGL(*value, ini_entry->value, ini_entry->value_length, 1);
}
zend_hash_add(Z_ARRVAL(zv3), ini_entry->name, ini_entry->name_length, value, sizeof(zval *), NULL);
}
zend_hash_add(ht, "systemini", sizeof("systemini"), &zvp3, sizeof(zval *), NULL);
}
/* get perdir ini entries */
if (EG(modified_ini_directives)) {
HashPosition position;
zend_ini_entry *ini_entry;
array_init(&zv4);
for (zend_hash_internal_pointer_reset_ex(EG(modified_ini_directives), &position);
zend_hash_get_current_data_ex(EG(modified_ini_directives), (void**) &ini_entry, &position) == SUCCESS;
zend_hash_move_forward_ex(EG(modified_ini_directives), &position)) {
zval **value = emalloc(sizeof(zval *));
if (!ini_entry->value) {
efree(value);
continue;
}
ALLOC_ZVAL(*value);
ZVAL_STRINGL(*value, ini_entry->value, ini_entry->value_length, 1);
zend_hash_add(Z_ARRVAL(zv4), ini_entry->name, ini_entry->name_length, value, sizeof(zval *), NULL);
}
zend_hash_add(ht, "userini", sizeof("userini"), &zvp4, sizeof(zval *), NULL);
}
/* encode data */
{
php_serialize_data_t var_hash;
smart_str buf = {0};
zval *arrayptr = &array;
PHP_VAR_SERIALIZE_INIT(var_hash);
php_var_serialize(&buf, &arrayptr, &var_hash TSRMLS_CC);
PHP_VAR_SERIALIZE_DESTROY(var_hash);
*msg = buf.c;
*len = buf.len;
}
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zval_dtor(&array);
}