+++ /dev/null
-/**
- * Copyright (c) 2013-2015, Christopher Jeffrey, Peter Sunde (MIT License)
- * Copyright (c) 2016, Daniel Imms (MIT License).
- * Copyright (c) 2018, Microsoft Corporation (MIT License).
- *
- * pty.cc:
- * This file is responsible for starting processes
- * with pseudo-terminal file descriptors.
- */
-
-#include <iostream>
-#include <nan.h>
-#include <Shlwapi.h> // PathCombine, PathIsRelative
-#include <sstream>
-#include <stdlib.h>
-#include <string.h>
-#include <string>
-#include <vector>
-#include <winpty.h>
-
-#include "path_util.h"
-
-/**
-* Misc
-*/
-extern "C" void init(v8::Local<v8::Object>);
-
-#define WINPTY_DBG_VARIABLE TEXT("WINPTYDBG")
-
-/**
-* winpty
-*/
-static std::vector<winpty_t *> ptyHandles;
-static volatile LONG ptyCounter;
-
-/**
-* Helpers
-*/
-
-static winpty_t *get_pipe_handle(int handle) {
- for (size_t i = 0; i < ptyHandles.size(); ++i) {
- winpty_t *ptyHandle = ptyHandles[i];
- int current = (int)winpty_agent_process(ptyHandle);
- if (current == handle) {
- return ptyHandle;
- }
- }
- return nullptr;
-}
-
-static bool remove_pipe_handle(int handle) {
- for (size_t i = 0; i < ptyHandles.size(); ++i) {
- winpty_t *ptyHandle = ptyHandles[i];
- if ((int)winpty_agent_process(ptyHandle) == handle) {
- winpty_free(ptyHandle);
- ptyHandles.erase(ptyHandles.begin() + i);
- ptyHandle = nullptr;
- return true;
- }
- }
- return false;
-}
-
-void throw_winpty_error(const char *generalMsg, winpty_error_ptr_t error_ptr) {
- std::stringstream why;
- std::wstring msg(winpty_error_msg(error_ptr));
- std::string msg_(msg.begin(), msg.end());
- why << generalMsg << ": " << msg_;
- Nan::ThrowError(why.str().c_str());
- winpty_error_free(error_ptr);
-}
-
-static NAN_METHOD(PtyGetExitCode) {
- Nan::HandleScope scope;
-
- if (info.Length() != 1 ||
- !info[0]->IsNumber()) {
- Nan::ThrowError("Usage: pty.getExitCode(pidHandle)");
- return;
- }
-
- DWORD exitCode = 0;
- GetExitCodeProcess((HANDLE)info[0]->IntegerValue(Nan::GetCurrentContext()).FromJust(), &exitCode);
-
- info.GetReturnValue().Set(Nan::New<v8::Number>(exitCode));
-}
-
-static NAN_METHOD(PtyGetProcessList) {
- Nan::HandleScope scope;
-
- if (info.Length() != 1 ||
- !info[0]->IsNumber()) {
- Nan::ThrowError("Usage: pty.getProcessList(pid)");
- return;
- }
-
- int pid = info[0]->Int32Value(Nan::GetCurrentContext()).FromJust();
-
- winpty_t *pc = get_pipe_handle(pid);
- if (pc == nullptr) {
- info.GetReturnValue().Set(Nan::New<v8::Array>(0));
- return;
- }
- int processList[64];
- const int processCount = 64;
- int actualCount = winpty_get_console_process_list(pc, processList, processCount, nullptr);
-
- v8::Local<v8::Array> result = Nan::New<v8::Array>(actualCount);
- for (uint32_t i = 0; i < actualCount; i++) {
- Nan::Set(result, i, Nan::New<v8::Number>(processList[i]));
- }
- info.GetReturnValue().Set(result);
-}
-
-static NAN_METHOD(PtyStartProcess) {
- Nan::HandleScope scope;
-
- if (info.Length() != 7 ||
- !info[0]->IsString() ||
- !info[1]->IsString() ||
- !info[2]->IsArray() ||
- !info[3]->IsString() ||
- !info[4]->IsNumber() ||
- !info[5]->IsNumber() ||
- !info[6]->IsBoolean()) {
- Nan::ThrowError("Usage: pty.startProcess(file, cmdline, env, cwd, cols, rows, debug)");
- return;
- }
-
- std::stringstream why;
-
- const wchar_t *filename = path_util::to_wstring(Nan::Utf8String(info[0]));
- const wchar_t *cmdline = path_util::to_wstring(Nan::Utf8String(info[1]));
- const wchar_t *cwd = path_util::to_wstring(Nan::Utf8String(info[3]));
-
- // create environment block
- std::wstring env;
- const v8::Local<v8::Array> envValues = v8::Local<v8::Array>::Cast(info[2]);
- if (!envValues.IsEmpty()) {
-
- std::wstringstream envBlock;
-
- for(uint32_t i = 0; i < envValues->Length(); i++) {
- std::wstring envValue(path_util::to_wstring(Nan::Utf8String(Nan::Get(envValues, i).ToLocalChecked())));
- envBlock << envValue << L'\0';
- }
-
- env = envBlock.str();
- }
-
- // use environment 'Path' variable to determine location of
- // the relative path that we have recieved (e.g cmd.exe)
- std::wstring shellpath;
- if (::PathIsRelativeW(filename)) {
- shellpath = path_util::get_shell_path(filename);
- } else {
- shellpath = filename;
- }
-
- std::string shellpath_(shellpath.begin(), shellpath.end());
-
- if (shellpath.empty() || !path_util::file_exists(shellpath)) {
- why << "File not found: " << shellpath_;
- Nan::ThrowError(why.str().c_str());
- goto cleanup;
- }
-
- int cols = info[4]->Int32Value(Nan::GetCurrentContext()).FromJust();
- int rows = info[5]->Int32Value(Nan::GetCurrentContext()).FromJust();
- bool debug = Nan::To<bool>(info[6]).FromJust();
-
- // Enable/disable debugging
- SetEnvironmentVariable(WINPTY_DBG_VARIABLE, debug ? "1" : NULL); // NULL = deletes variable
-
- // Create winpty config
- winpty_error_ptr_t error_ptr = nullptr;
- winpty_config_t* winpty_config = winpty_config_new(0, &error_ptr);
- if (winpty_config == nullptr) {
- throw_winpty_error("Error creating WinPTY config", error_ptr);
- goto cleanup;
- }
- winpty_error_free(error_ptr);
-
- // Set pty size on config
- winpty_config_set_initial_size(winpty_config, cols, rows);
-
- // Start the pty agent
- winpty_t *pc = winpty_open(winpty_config, &error_ptr);
- winpty_config_free(winpty_config);
- if (pc == nullptr) {
- throw_winpty_error("Error launching WinPTY agent", error_ptr);
- goto cleanup;
- }
- winpty_error_free(error_ptr);
-
- // Save pty struct for later use
- ptyHandles.insert(ptyHandles.end(), pc);
-
- // Create winpty spawn config
- winpty_spawn_config_t* config = winpty_spawn_config_new(WINPTY_SPAWN_FLAG_AUTO_SHUTDOWN, shellpath.c_str(), cmdline, cwd, env.c_str(), &error_ptr);
- if (config == nullptr) {
- throw_winpty_error("Error creating WinPTY spawn config", error_ptr);
- goto cleanup;
- }
- winpty_error_free(error_ptr);
-
- // Spawn the new process
- HANDLE handle = nullptr;
- BOOL spawnSuccess = winpty_spawn(pc, config, &handle, nullptr, nullptr, &error_ptr);
- winpty_spawn_config_free(config);
- if (!spawnSuccess) {
- throw_winpty_error("Unable to start terminal process", error_ptr);
- goto cleanup;
- }
- winpty_error_free(error_ptr);
-
- // Set return values
- v8::Local<v8::Object> marshal = Nan::New<v8::Object>();
- Nan::Set(marshal, Nan::New<v8::String>("innerPid").ToLocalChecked(), Nan::New<v8::Number>((int)GetProcessId(handle)));
- Nan::Set(marshal, Nan::New<v8::String>("innerPidHandle").ToLocalChecked(), Nan::New<v8::Number>((int)handle));
- Nan::Set(marshal, Nan::New<v8::String>("pid").ToLocalChecked(), Nan::New<v8::Number>((int)winpty_agent_process(pc)));
- Nan::Set(marshal, Nan::New<v8::String>("pty").ToLocalChecked(), Nan::New<v8::Number>(InterlockedIncrement(&ptyCounter)));
- Nan::Set(marshal, Nan::New<v8::String>("fd").ToLocalChecked(), Nan::New<v8::Number>(-1));
- {
- LPCWSTR coninPipeName = winpty_conin_name(pc);
- std::wstring coninPipeNameWStr(coninPipeName);
- std::string coninPipeNameStr(coninPipeNameWStr.begin(), coninPipeNameWStr.end());
- Nan::Set(marshal, Nan::New<v8::String>("conin").ToLocalChecked(), Nan::New<v8::String>(coninPipeNameStr).ToLocalChecked());
- LPCWSTR conoutPipeName = winpty_conout_name(pc);
- std::wstring conoutPipeNameWStr(conoutPipeName);
- std::string conoutPipeNameStr(conoutPipeNameWStr.begin(), conoutPipeNameWStr.end());
- Nan::Set(marshal, Nan::New<v8::String>("conout").ToLocalChecked(), Nan::New<v8::String>(conoutPipeNameStr).ToLocalChecked());
- }
- info.GetReturnValue().Set(marshal);
-
- goto cleanup;
-
-cleanup:
- delete filename;
- delete cmdline;
- delete cwd;
-}
-
-static NAN_METHOD(PtyResize) {
- Nan::HandleScope scope;
-
- if (info.Length() != 3 ||
- !info[0]->IsNumber() ||
- !info[1]->IsNumber() ||
- !info[2]->IsNumber()) {
- Nan::ThrowError("Usage: pty.resize(pid, cols, rows)");
- return;
- }
-
- int handle = info[0]->Int32Value(Nan::GetCurrentContext()).FromJust();
- int cols = info[1]->Int32Value(Nan::GetCurrentContext()).FromJust();
- int rows = info[2]->Int32Value(Nan::GetCurrentContext()).FromJust();
-
- winpty_t *pc = get_pipe_handle(handle);
-
- if (pc == nullptr) {
- Nan::ThrowError("The pty doesn't appear to exist");
- return;
- }
- BOOL success = winpty_set_size(pc, cols, rows, nullptr);
- if (!success) {
- Nan::ThrowError("The pty could not be resized");
- return;
- }
-
- return info.GetReturnValue().SetUndefined();
-}
-
-static NAN_METHOD(PtyKill) {
- Nan::HandleScope scope;
-
- if (info.Length() != 2 ||
- !info[0]->IsNumber() ||
- !info[1]->IsNumber()) {
- Nan::ThrowError("Usage: pty.kill(pid, innerPidHandle)");
- return;
- }
-
- int handle = info[0]->Int32Value(Nan::GetCurrentContext()).FromJust();
- HANDLE innerPidHandle = (HANDLE)info[1]->Int32Value(Nan::GetCurrentContext()).FromJust();
-
- winpty_t *pc = get_pipe_handle(handle);
- if (pc == nullptr) {
- Nan::ThrowError("Pty seems to have been killed already");
- return;
- }
-
- assert(remove_pipe_handle(handle));
- CloseHandle(innerPidHandle);
-
- return info.GetReturnValue().SetUndefined();
-}
-
-/**
-* Init
-*/
-
-extern "C" void init(v8::Local<v8::Object> target) {
- Nan::HandleScope scope;
- Nan::SetMethod(target, "startProcess", PtyStartProcess);
- Nan::SetMethod(target, "resize", PtyResize);
- Nan::SetMethod(target, "kill", PtyKill);
- Nan::SetMethod(target, "getExitCode", PtyGetExitCode);
- Nan::SetMethod(target, "getProcessList", PtyGetProcessList);
-};
-
-NODE_MODULE(pty, init);
projects / VSoRC / .git / blobdiff