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v8js_methods: add size checks + precission down casts

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This commit is contained in:
Stefan Siegl 2017-03-10 23:08:42 +01:00
parent a493919a17
commit 7625d9b94f
1 changed files with 12 additions and 5 deletions
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17
v8js_methods.cc
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@ -2,7 +2,7 @@
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2013 The PHP Group |
| Copyright (c) 1997-2017 The PHP Group |
+----------------------------------------------------------------------+
| http://www.opensource.org/licenses/mit-license.php MIT License |
+----------------------------------------------------------------------+
@ -18,6 +18,7 @@
#include "php_v8js_macros.h"
#include "v8js_commonjs.h"
#include "v8js_exceptions.h"
extern "C" {
#include "zend_exceptions.h"
@ -42,15 +43,15 @@ V8JS_METHOD(sleep) /* {{{ */
V8JS_METHOD(print) /* {{{ */
{
v8::Isolate *isolate = info.GetIsolate();
int ret = 0;
V8JS_TSRMLS_FETCH();
zend_long ret = 0;
for (int i = 0; i < info.Length(); i++) {
v8::String::Utf8Value str(info[i]);
const char *cstr = ToCString(str);
ret = PHPWRITE(cstr, strlen(cstr));
}
info.GetReturnValue().Set(V8JS_INT(ret));
info.GetReturnValue().Set(zend_long_to_v8js(ret, isolate));
}
/* }}} */
@ -433,7 +434,13 @@ V8JS_METHOD(require)
// Set script identifier
v8::Local<v8::String> sname = V8JS_STR(normalised_module_id);
v8::Local<v8::String> source = V8JS_ZSTR(Z_STR(module_code));
if (Z_STRLEN(module_code) > std::numeric_limits<int>::max()) {
zend_throw_exception(php_ce_v8js_exception,
"Module code size exceeds maximum supported length", 0);
return;
}
v8::Local<v8::String> source = V8JS_STRL(Z_STRVAL(module_code), static_cast<int>(Z_STRLEN(module_code)));
zval_ptr_dtor(&module_code);
// Create and compile script