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#include "env-inl.h"
#include "node_internals.h"
#include "node_options-inl.h"
#include "node_metadata.h"
#include "node_process.h"
#include "node_revert.h"
#include "util-inl.h"
#include <climits> // PATH_MAX
namespace node {
using v8::Context;
using v8::DEFAULT;
using v8::EscapableHandleScope;
using v8::Function;
using v8::FunctionTemplate;
using v8::HandleScope;
using v8::Integer;
using v8::Isolate;
using v8::Just;
using v8::Local;
using v8::MaybeLocal;
using v8::Name;
using v8::NewStringType;
using v8::None;
using v8::Object;
using v8::PropertyCallbackInfo;
using v8::SideEffectType;
using v8::String;
using v8::Value;
static void ProcessTitleGetter(Local<Name> property,
const PropertyCallbackInfo<Value>& info) {
char buffer[512];
uv_get_process_title(buffer, sizeof(buffer));
info.GetReturnValue().Set(
String::NewFromUtf8(info.GetIsolate(), buffer, NewStringType::kNormal)
.ToLocalChecked());
}
static void ProcessTitleSetter(Local<Name> property,
Local<Value> value,
const PropertyCallbackInfo<void>& info) {
node::Utf8Value title(info.GetIsolate(), value);
TRACE_EVENT_METADATA1(
"__metadata", "process_name", "name", TRACE_STR_COPY(*title));
uv_set_process_title(*title);
}
static void DebugPortGetter(Local<Name> property,
const PropertyCallbackInfo<Value>& info) {
Environment* env = Environment::GetCurrent(info);
int port = env->inspector_host_port()->port();
info.GetReturnValue().Set(port);
}
static void DebugPortSetter(Local<Name> property,
Local<Value> value,
const PropertyCallbackInfo<void>& info) {
Environment* env = Environment::GetCurrent(info);
int32_t port = value->Int32Value(env->context()).FromMaybe(0);
env->inspector_host_port()->set_port(static_cast<int>(port));
}
static void GetParentProcessId(Local<Name> property,
const PropertyCallbackInfo<Value>& info) {
info.GetReturnValue().Set(uv_os_getppid());
}
MaybeLocal<Object> CreateProcessObject(
Environment* env,
const std::vector<std::string>& args,
const std::vector<std::string>& exec_args) {
Isolate* isolate = env->isolate();
EscapableHandleScope scope(isolate);
Local<Context> context = env->context();
Local<FunctionTemplate> process_template = FunctionTemplate::New(isolate);
process_template->SetClassName(FIXED_ONE_BYTE_STRING(isolate, "process"));
Local<Function> process_ctor;
Local<Object> process;
if (!process_template->GetFunction(context).ToLocal(&process_ctor) ||
!process_ctor->NewInstance(context).ToLocal(&process)) {
return MaybeLocal<Object>();
}
// process.title
auto title_string = FIXED_ONE_BYTE_STRING(env->isolate(), "title");
CHECK(process
->SetAccessor(
env->context(),
title_string,
ProcessTitleGetter,
env->owns_process_state() ? ProcessTitleSetter : nullptr,
env->as_callback_data(),
DEFAULT,
None,
SideEffectType::kHasNoSideEffect)
.FromJust());
// process.version
READONLY_PROPERTY(process,
"version",
FIXED_ONE_BYTE_STRING(env->isolate(), NODE_VERSION));
// process.versions
Local<Object> versions = Object::New(env->isolate());
READONLY_PROPERTY(process, "versions", versions);
#define V(key) \
if (!per_process::metadata.versions.key.empty()) { \
READONLY_STRING_PROPERTY( \
versions, #key, per_process::metadata.versions.key); \
}
NODE_VERSIONS_KEYS(V)
#undef V
// process.arch
READONLY_STRING_PROPERTY(process, "arch", per_process::metadata.arch);
// process.platform
READONLY_STRING_PROPERTY(process, "platform", per_process::metadata.platform);
// process.release
Local<Object> release = Object::New(env->isolate());
READONLY_PROPERTY(process, "release", release);
READONLY_STRING_PROPERTY(release, "name", per_process::metadata.release.name);
#if NODE_VERSION_IS_LTS
READONLY_STRING_PROPERTY(release, "lts", per_process::metadata.release.lts);
#endif // NODE_VERSION_IS_LTS
#ifdef NODE_HAS_RELEASE_URLS
READONLY_STRING_PROPERTY(
release, "sourceUrl", per_process::metadata.release.source_url);
READONLY_STRING_PROPERTY(
release, "headersUrl", per_process::metadata.release.headers_url);
#ifdef _WIN32
READONLY_STRING_PROPERTY(
release, "libUrl", per_process::metadata.release.lib_url);
#endif // _WIN32
#endif // NODE_HAS_RELEASE_URLS
// process.argv
process->Set(env->context(),
FIXED_ONE_BYTE_STRING(env->isolate(), "argv"),
ToV8Value(env->context(), args).ToLocalChecked()).FromJust();
// process.execArgv
process->Set(env->context(),
FIXED_ONE_BYTE_STRING(env->isolate(), "execArgv"),
ToV8Value(env->context(), exec_args)
.ToLocalChecked()).FromJust();
READONLY_PROPERTY(process, "pid",
Integer::New(env->isolate(), uv_os_getpid()));
CHECK(process->SetAccessor(env->context(),
FIXED_ONE_BYTE_STRING(env->isolate(), "ppid"),
GetParentProcessId).FromJust());
// TODO(joyeecheung): make this available in JS during pre-execution.
// Note that to use this in releases the code doing the revert need to be
// careful to delay the check until after the bootstrap but that may not
// be possible depending on the feature being reverted.
// --security-revert flags
#define V(code, _, __) \
do { \
if (IsReverted(SECURITY_REVERT_ ## code)) { \
READONLY_PROPERTY(process, "REVERT_" #code, True(env->isolate())); \
} \
} while (0);
SECURITY_REVERSIONS(V)
#undef V
// process.execPath
{
char exec_path_buf[2 * PATH_MAX];
size_t exec_path_len = sizeof(exec_path_buf);
std::string exec_path;
if (uv_exepath(exec_path_buf, &exec_path_len) == 0) {
exec_path = std::string(exec_path_buf, exec_path_len);
} else {
exec_path = args[0];
}
// On OpenBSD process.execPath will be relative unless we
// get the full path before process.execPath is used.
#if defined(__OpenBSD__)
uv_fs_t req;
req.ptr = nullptr;
if (0 ==
uv_fs_realpath(env->event_loop(), &req, exec_path.c_str(), nullptr)) {
CHECK_NOT_NULL(req.ptr);
exec_path = std::string(static_cast<char*>(req.ptr));
}
#endif
process
->Set(env->context(),
FIXED_ONE_BYTE_STRING(env->isolate(), "execPath"),
String::NewFromUtf8(env->isolate(),
exec_path.c_str(),
NewStringType::kInternalized,
exec_path.size())
.ToLocalChecked())
.FromJust();
}
// process.debugPort
auto debug_port_string = FIXED_ONE_BYTE_STRING(env->isolate(), "debugPort");
CHECK(process
->SetAccessor(env->context(),
debug_port_string,
DebugPortGetter,
env->owns_process_state() ? DebugPortSetter : nullptr,
env->as_callback_data())
.FromJust());
// process._rawDebug: may be overwritten later in JS land, but should be
// availbale from the begining for debugging purposes
env->SetMethod(process, "_rawDebug", RawDebug);
return scope.Escape(process);
}
} // namespace node
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