Made phpdbg compatible with new engine

1 files changed, 170 insertions, 0 deletions

diff --git a/sapi/phpdbg/phpdbg_webdata_transfer.c b/sapi/phpdbg/phpdbg_webdata_transfer.c
new file mode 100644
index 0000000000..2f18b9d082
--- /dev/null
+++ b/sapi/phpdbg/phpdbg_webdata_transfer.c
@@ -0,0 +1,170 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 7                                                        |
+   +----------------------------------------------------------------------+
+   | 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/json/php_json.h"
+
+static int phpdbg_is_auto_global(char *name, int len TSRMLS_DC) {
+	int ret;
+	zend_string *str = zend_string_init(name, len, 0);
+	ret = zend_is_auto_global(str TSRMLS_CC);
+	efree(str);
+	return ret;
+}
+
+PHPDBG_API void phpdbg_webdata_compress(char **msg, int *len TSRMLS_DC) {
+#ifdef HAVE_JSON
+	smart_str buf = {0};
+	zval array;
+	HashTable *ht;
+	zval zv[9] = {{{0}}};
+
+	array_init(&array);
+	ht = Z_ARRVAL(array);
+
+	/* fetch superglobals */
+	{
+		phpdbg_is_auto_global(ZEND_STRL("GLOBALS") TSRMLS_CC);
+		/* might be JIT */
+		phpdbg_is_auto_global(ZEND_STRL("_ENV") TSRMLS_CC);
+		phpdbg_is_auto_global(ZEND_STRL("_SERVER") TSRMLS_CC);
+		phpdbg_is_auto_global(ZEND_STRL("_REQUEST") TSRMLS_CC);
+		array_init(&zv[1]);
+		zend_hash_copy(Z_ARRVAL(zv[1]), &EG(symbol_table).ht, NULL);
+		Z_ARRVAL(zv[1])->pDestructor = NULL; /* we're operating on a copy! Don't double free zvals */
+		zend_hash_str_del(Z_ARRVAL(zv[1]), ZEND_STRL("GLOBALS")); /* do not use the reference to itself in json */
+		zend_hash_str_add(ht, ZEND_STRL("GLOBALS"), &zv[1]);
+	}
+
+	/* save php://input */
+	{
+		php_stream *stream;
+		zend_string *str;
+
+		stream = php_stream_temp_create_ex(TEMP_STREAM_DEFAULT, SAPI_POST_BLOCK_SIZE, PG(upload_tmp_dir));
+		if ((str = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0))) {
+			ZVAL_STR(&zv[2], str);
+		} else {
+			ZVAL_EMPTY_STRING(&zv[2]);
+		}
+		Z_SET_REFCOUNT(zv[2], 1);
+		zend_hash_str_add(ht, ZEND_STRL("input"), &zv[2]);
+	}
+
+	/* change sapi name */
+	{
+		if (sapi_module.name) {
+			ZVAL_STRING(&zv[6], sapi_module.name);
+		} else {
+			Z_TYPE_INFO(zv[6]) = IS_NULL;
+		}
+		zend_hash_str_add(ht, ZEND_STRL("sapi_name"), &zv[6]);
+		Z_SET_REFCOUNT(zv[6], 1);
+	}
+
+	/* handle modules / extensions */
+	{
+		zend_module_entry *module;
+		zend_extension *extension;
+		zend_llist_position pos;
+
+		array_init(&zv[7]);
+		ZEND_HASH_FOREACH_PTR(&module_registry, module) {
+			zval *value = ecalloc(sizeof(zval), 1);
+			ZVAL_STRING(value, module->name);
+			zend_hash_next_index_insert(Z_ARRVAL(zv[7]), value);
+		} ZEND_HASH_FOREACH_END();
+		zend_hash_str_add(ht, ZEND_STRL("modules"), &zv[7]);
+
+		array_init(&zv[8]);
+		extension = (zend_extension *) zend_llist_get_first_ex(&zend_extensions, &pos);
+		while (extension) {
+			zval *value = ecalloc(sizeof(zval), 1);
+			ZVAL_STRING(value, extension->name);
+			zend_hash_next_index_insert(Z_ARRVAL(zv[8]), value);
+			extension = (zend_extension *) zend_llist_get_next_ex(&zend_extensions, &pos);
+		}
+		zend_hash_str_add(ht, ZEND_STRL("extensions"), &zv[8]);
+	}
+
+	/* 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(&zv[5], path);
+			Z_SET_REFCOUNT(zv[5], 1);
+			zend_hash_str_add(ht, ZEND_STRL("cwd"), &zv[5]);
+		}
+	}
+
+	/* get system ini entries */
+	{
+		zend_ini_entry *ini_entry;
+
+		array_init(&zv[3]);
+		ZEND_HASH_FOREACH_PTR(EG(ini_directives), ini_entry) {
+			zval *value = ecalloc(sizeof(zval), 1);
+			if (ini_entry->modified) {
+				if (!ini_entry->orig_value) {
+					efree(value);
+					continue;
+				}
+				ZVAL_STR(value, ini_entry->orig_value);
+			} else {
+				if (!ini_entry->value) {
+					efree(value);
+					continue;
+				}
+				ZVAL_STR(value, ini_entry->value);
+			}
+			zend_hash_add(Z_ARRVAL(zv[3]), ini_entry->name, value);
+		} ZEND_HASH_FOREACH_END();
+		zend_hash_str_add(ht, ZEND_STRL("systemini"), &zv[3]);
+	}
+
+	/* get perdir ini entries */
+	if (EG(modified_ini_directives)) {
+		zend_ini_entry *ini_entry;
+
+		array_init(&zv[4]);
+		ZEND_HASH_FOREACH_PTR(EG(ini_directives), ini_entry) {
+			zval *value = ecalloc(sizeof(zval), 1);
+			if (!ini_entry->value) {
+				efree(value);
+				continue;
+			}
+			ZVAL_STR(value, ini_entry->value);
+			zend_hash_add(Z_ARRVAL(zv[4]), ini_entry->name, value);
+		} ZEND_HASH_FOREACH_END();
+		zend_hash_str_add(ht, ZEND_STRL("userini"), &zv[4]);
+	}
+
+	/* encode data */
+	php_json_encode(&buf, &array, 0 TSRMLS_CC);
+	*msg = buf.s->val;
+	*len = buf.s->len;
+	zval_dtor(&array);
+#endif
+}