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v8js_v8: add size check + precission down cast

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This commit is contained in:
Stefan Siegl 2017-03-10 23:53:11 +01:00
parent db7c81d4fa
commit ab8613f41b
1 changed files with 9 additions and 2 deletions
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11
v8js_v8.cc
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@ -65,8 +65,15 @@ void v8js_v8_init(TSRMLS_D) /* {{{ */
/* Set V8 command line flags (must be done before V8::Initialize()!) */ /* Set V8 command line flags (must be done before V8::Initialize()!) */
if (v8js_process_globals.v8_flags) { if (v8js_process_globals.v8_flags) {
v8::V8::SetFlagsFromString(v8js_process_globals.v8_flags, size_t flags_len = strlen(v8js_process_globals.v8_flags);
strlen(v8js_process_globals.v8_flags));
if (flags_len > std::numeric_limits<uint32_t>::max()) {
zend_throw_exception(php_ce_v8js_exception,
"Length of V8 flags exceeds maximum supported length", 0);
}
else {
v8::V8::SetFlagsFromString(v8js_process_globals.v8_flags, static_cast<int>(flags_len));
}
} }
/* Initialize V8 */ /* Initialize V8 */