Merge branch 'PHP-8.2' into PHP-8.3

* PHP-8.2:
  Fix segfault and assertion failure with refcounted props and arrays
  Fix incorrect uri check in SOAP caching
  Fix bug #66150: SOAP WSDL cache race condition causes Segmentation Fault
This commit is contained in:
Niels Dossche 2023-10-19 18:32:47 +02:00
commit 7da6c0f1db
4 changed files with 77 additions and 6 deletions

6
NEWS
View file

@ -33,6 +33,12 @@ PHP NEWS
- SOAP:
. Fixed bug GH-12392 (Segmentation fault on SoapClient::__getTypes).
(nielsdos)
. Fixed bug #66150 (SOAP WSDL cache race condition causes Segmentation
Fault). (nielsdos)
. Fixed bug #67617 (SOAP leaves incomplete cache file on ENOSPC). (nielsdos)
. Fix incorrect uri check in SOAP caching. (nielsdos)
. Fix segfault and assertion failure with refcounted props and arrays.
(nielsdos)
- XSL:
. Add missing module dependency. (nielsdos)

View file

@ -1561,10 +1561,12 @@ static zval *to_zval_object_ex(zval *ret, encodeTypePtr type, xmlNodePtr data, z
if (Z_TYPE_P(prop) != IS_ARRAY) {
/* Convert into array */
array_init(&arr);
Z_ADDREF_P(prop);
Z_TRY_ADDREF_P(prop);
add_next_index_zval(&arr, prop);
set_zval_property(ret, (char*)trav->name, &arr);
prop = &arr;
} else {
SEPARATE_ARRAY(prop);
}
/* Add array element */
add_next_index_zval(prop, &tmpVal);

View file

@ -22,6 +22,7 @@
#include "ext/standard/md5.h"
#include "zend_virtual_cwd.h"
#include "main/php_open_temporary_file.h"
#include <sys/types.h>
#include <sys/stat.h>
@ -1536,7 +1537,7 @@ static HashTable* sdl_deserialize_parameters(encodePtr *encoders, sdlTypePtr *ty
return ht;
}
static sdlPtr get_sdl_from_cache(const char *fn, const char *uri, time_t t, time_t *cached)
static sdlPtr get_sdl_from_cache(const char *fn, const char *uri, size_t uri_len, time_t t, time_t *cached)
{
sdlPtr sdl;
time_t old_t;
@ -1583,7 +1584,7 @@ static sdlPtr get_sdl_from_cache(const char *fn, const char *uri, time_t t, time
*cached = old_t;
WSDL_CACHE_GET_INT(i, &in);
if (i == 0 && strncmp(in, uri, i) != 0) {
if (i != uri_len || strncmp(in, uri, i) != 0) {
unlink(fn);
efree(buf);
return NULL;
@ -2119,7 +2120,10 @@ static void add_sdl_to_cache(const char *fn, const char *uri, time_t t, sdlPtr s
HashTable tmp_bindings;
HashTable tmp_functions;
f = open(fn,O_CREAT|O_WRONLY|O_EXCL|O_BINARY,S_IREAD|S_IWRITE);
/* To avoid race conditions, we first create a temporary file and then rename it atomically
* at the end of the function. (see bug #66150) */
zend_string *temp_file_path;
f = php_open_temporary_fd_ex(SOAP_GLOBAL(cache_dir), "tmp.wsdl.", &temp_file_path, PHP_TMP_FILE_SILENT);
if (f < 0) {return;}
@ -2371,13 +2375,21 @@ static void add_sdl_to_cache(const char *fn, const char *uri, time_t t, sdlPtr s
} ZEND_HASH_FOREACH_END();
}
php_ignore_value(write(f, ZSTR_VAL(buf.s), ZSTR_LEN(buf.s)));
bool valid_file = write(f, ZSTR_VAL(buf.s), ZSTR_LEN(buf.s)) == ZSTR_LEN(buf.s);
close(f);
/* Make sure that incomplete files (e.g. due to disk space issues, see bug #66150) are not utilised. */
if (valid_file) {
/* This is allowed to fail, this means that another process was raced to create the file. */
(void) VCWD_RENAME(ZSTR_VAL(temp_file_path), fn);
}
smart_str_free(&buf);
zend_hash_destroy(&tmp_functions);
zend_hash_destroy(&tmp_bindings);
zend_hash_destroy(&tmp_encoders);
zend_hash_destroy(&tmp_types);
zend_string_release_ex(temp_file_path, false);
}
@ -3232,7 +3244,7 @@ sdlPtr get_sdl(zval *this_ptr, char *uri, zend_long cache_wsdl)
}
memcpy(key+len,md5str,sizeof(md5str));
if ((sdl = get_sdl_from_cache(key, uri, t-SOAP_GLOBAL(cache_ttl), &cached)) != NULL) {
if ((sdl = get_sdl_from_cache(key, uri, uri_len, t-SOAP_GLOBAL(cache_ttl), &cached)) != NULL) {
t = cached;
efree(key);
goto cache_in_memory;

View file

@ -0,0 +1,51 @@
--TEST--
Segfault and assertion failure with refcounted props and arrays
--INI--
soap.wsdl_cache_enabled=0
--EXTENSIONS--
soap
--FILE--
<?php
class TestSoapClient extends SoapClient {
function __doRequest($request, $location, $action, $version, $one_way = false): ?string {
return <<<EOF
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://schemas.nothing.com" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body>
<ns1:dotest2Response><res xsi:type="SOAP-ENC:Struct">
<a xsi:type="xsd:string">Hello</a>
<b xsi:type="xsd:string">World</b>
</res>
</ns1:dotest2Response></SOAP-ENV:Body></SOAP-ENV:Envelope>
EOF;
}
}
trait A {
public $a = [self::class . 'a'];
public $b = self::class . 'b';
}
class DummyClass {
use A;
}
$client = new TestSoapClient(__DIR__."/../classmap.wsdl", ['classmap' => ['Struct' => 'DummyClass']]);
var_dump($client->dotest2("???"));
?>
--EXPECT--
object(DummyClass)#2 (2) {
["a"]=>
array(2) {
[0]=>
string(11) "DummyClassa"
[1]=>
string(5) "Hello"
}
["b"]=>
array(2) {
[0]=>
string(11) "DummyClassb"
[1]=>
string(5) "World"
}
}