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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=2:
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#include "nsUnixRemoteServer.h"
#include "nsGTKToolkit.h"
#include "nsCOMPtr.h"
#include "nsICommandLineRunner.h"
#include "nsCommandLine.h"
#include "nsIFile.h"
// Set desktop startup ID to the passed ID, if there is one, so that any created
// windows get created with the right window manager metadata, and any windows
// that get new tabs and are activated also get the right WM metadata.
// The timestamp will be used if there is no desktop startup ID, or if we're
// raising an existing window rather than showing a new window for the first
// time.
void nsUnixRemoteServer::SetStartupTokenOrTimestamp(
const nsACString& aStartupToken, uint32_t aTimestamp) {
nsGTKToolkit* toolkit = nsGTKToolkit::GetToolkit();
if (!toolkit) {
if (!aStartupToken.IsEmpty()) {
static bool FindExtensionParameterInCommand(const char* aParameterName,
const nsACString& aCommand,
char aSeparator,
nsACString* aValue) {
nsAutoCString searchFor;
nsACString::const_iterator start, end;
if (!FindInReadable(searchFor, start, end)) return false;
nsACString::const_iterator charStart, charEnd;
charStart = end;
nsACString::const_iterator idStart = charStart, idEnd;
if (FindCharInReadable(aSeparator, charStart, charEnd)) {
idEnd = charStart;
} else {
idEnd = charEnd;
*aValue = nsDependentCSubstring(idStart, idEnd);
return true;
const char* nsUnixRemoteServer::HandleCommandLine(const char* aBuffer,
uint32_t aTimestamp) {
nsCOMPtr<nsICommandLineRunner> cmdline(new nsCommandLine());
// the commandline property is constructed as an array of int32_t
// followed by a series of null-terminated strings:
// [argc][offsetargv0][offsetargv1...]<workingdir>\0<argv[0]>\0argv[1]...\0
// (offset is from the beginning of the buffer)
int32_t argc = TO_LITTLE_ENDIAN32(*reinterpret_cast<const int32_t*>(aBuffer));
const char* wd = aBuffer + ((argc + 1) * sizeof(int32_t));
nsCOMPtr<nsIFile> lf;
nsresult rv =
NS_NewNativeLocalFile(nsDependentCString(wd), true, getter_AddRefs(lf));
if (NS_FAILED(rv)) return "509 internal error";
nsAutoCString desktopStartupID;
const char** argv = (const char**)malloc(sizeof(char*) * argc);
if (!argv) return "509 internal error";
const int32_t* offset = reinterpret_cast<const int32_t*>(aBuffer) + 1;
for (int i = 0; i < argc; ++i) {
argv[i] = aBuffer + TO_LITTLE_ENDIAN32(offset[i]);
if (i == 0) {
nsDependentCString cmd(argv[0]);
FindExtensionParameterInCommand("STARTUP_TOKEN", cmd, ' ',
rv = cmdline->Init(argc, argv, lf, nsICommandLine::STATE_REMOTE_AUTO);
if (NS_FAILED(rv)) {
return "509 internal error";
SetStartupTokenOrTimestamp(desktopStartupID, aTimestamp);
rv = cmdline->Run();
if (NS_ERROR_ABORT == rv) return "500 command not parseable";
if (NS_FAILED(rv)) return "509 internal error";
return "200 executed command";