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-rw-r--r--toolkit/components/remote/nsDBusRemoteClient.cpp157
1 files changed, 157 insertions, 0 deletions
diff --git a/toolkit/components/remote/nsDBusRemoteClient.cpp b/toolkit/components/remote/nsDBusRemoteClient.cpp
new file mode 100644
index 0000000000..bf59ed2620
--- /dev/null
+++ b/toolkit/components/remote/nsDBusRemoteClient.cpp
@@ -0,0 +1,157 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=8:
+ */
+/* vim:set ts=8 sw=2 et cindent: */
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+#include "nsDBusRemoteClient.h"
+#include "RemoteUtils.h"
+#include "mozilla/XREAppData.h"
+#include "mozilla/Logging.h"
+#include "mozilla/Base64.h"
+#include "nsPrintfCString.h"
+#include "mozilla/GUniquePtr.h"
+
+#include <dlfcn.h>
+
+#undef LOG
+#ifdef MOZ_LOGGING
+static mozilla::LazyLogModule sRemoteLm("nsDBusRemoteClient");
+# define LOG(str, ...) \
+ MOZ_LOG(sRemoteLm, mozilla::LogLevel::Debug, (str, ##__VA_ARGS__))
+#else
+# define LOG(...)
+#endif
+
+using namespace mozilla;
+
+nsDBusRemoteClient::nsDBusRemoteClient() {
+ LOG("nsDBusRemoteClient::nsDBusRemoteClient");
+}
+
+nsDBusRemoteClient::~nsDBusRemoteClient() {
+ LOG("nsDBusRemoteClient::~nsDBusRemoteClient");
+}
+
+nsresult nsDBusRemoteClient::SendCommandLine(
+ const char* aProgram, const char* aProfile, int32_t argc, char** argv,
+ const char* aStartupToken, char** aResponse, bool* aWindowFound) {
+ NS_ENSURE_TRUE(aProgram, NS_ERROR_INVALID_ARG);
+
+ LOG("nsDBusRemoteClient::SendCommandLine");
+
+ int commandLineLength;
+ char* commandLine =
+ ConstructCommandLine(argc, argv, aStartupToken, &commandLineLength);
+ if (!commandLine) {
+ LOG(" failed to create command line");
+ return NS_ERROR_FAILURE;
+ }
+
+ nsresult rv =
+ DoSendDBusCommandLine(aProgram, aProfile, commandLine, commandLineLength);
+ free(commandLine);
+
+ *aWindowFound = NS_SUCCEEDED(rv);
+
+ LOG("DoSendDBusCommandLine %s", NS_SUCCEEDED(rv) ? "OK" : "FAILED");
+ return rv;
+}
+
+bool nsDBusRemoteClient::GetRemoteDestinationName(const char* aProgram,
+ const char* aProfile,
+ nsCString& aDestinationName) {
+ // We have a profile name - just create the destination.
+ // D-Bus names can contain only [a-z][A-Z][0-9]_
+ // characters so adjust the profile string properly.
+ nsAutoCString profileName;
+ nsresult rv = mozilla::Base64Encode(nsAutoCString(aProfile), profileName);
+ NS_ENSURE_SUCCESS(rv, false);
+
+ mozilla::XREAppData::SanitizeNameForDBus(profileName);
+
+ aDestinationName =
+ nsPrintfCString("org.mozilla.%s.%s", aProgram, profileName.get());
+ if (aDestinationName.Length() > DBUS_MAXIMUM_NAME_LENGTH)
+ aDestinationName.Truncate(DBUS_MAXIMUM_NAME_LENGTH);
+
+ static auto sDBusValidateBusName = (bool (*)(const char*, DBusError*))dlsym(
+ RTLD_DEFAULT, "dbus_validate_bus_name");
+ if (!sDBusValidateBusName) {
+ LOG(" failed to get dbus_validate_bus_name()");
+ return false;
+ }
+
+ if (!sDBusValidateBusName(aDestinationName.get(), nullptr)) {
+ // We don't have a valid busName yet - try to create a default one.
+ aDestinationName =
+ nsPrintfCString("org.mozilla.%s.%s", aProgram, "default");
+ if (!sDBusValidateBusName(aDestinationName.get(), nullptr)) {
+ // We failed completelly to get a valid bus name - just quit
+ // to prevent crash at dbus_bus_request_name().
+ LOG(" failed to validate profile DBus name");
+ return false;
+ }
+ }
+
+ return true;
+}
+
+nsresult nsDBusRemoteClient::DoSendDBusCommandLine(const char* aProgram,
+ const char* aProfile,
+ const char* aBuffer,
+ int aLength) {
+ LOG("nsDBusRemoteClient::DoSendDBusCommandLine()");
+
+ nsAutoCString appName(aProgram);
+ mozilla::XREAppData::SanitizeNameForDBus(appName);
+
+ nsAutoCString destinationName;
+ if (!GetRemoteDestinationName(appName.get(), aProfile, destinationName)) {
+ LOG(" failed to get remote destination name");
+ return NS_ERROR_FAILURE;
+ }
+
+ nsAutoCString pathName;
+ pathName = nsPrintfCString("/org/mozilla/%s/Remote", appName.get());
+
+ static auto sDBusValidatePathName = (bool (*)(const char*, DBusError*))dlsym(
+ RTLD_DEFAULT, "dbus_validate_path");
+ if (!sDBusValidatePathName ||
+ !sDBusValidatePathName(pathName.get(), nullptr)) {
+ LOG(" failed to validate path name");
+ return NS_ERROR_FAILURE;
+ }
+
+ nsAutoCString remoteInterfaceName;
+ remoteInterfaceName = nsPrintfCString("org.mozilla.%s", appName.get());
+
+ LOG(" DBus destination: %s\n", destinationName.get());
+ LOG(" DBus path: %s\n", pathName.get());
+ LOG(" DBus interface: %s\n", remoteInterfaceName.get());
+
+ RefPtr<GDBusProxy> proxy = dont_AddRef(g_dbus_proxy_new_for_bus_sync(
+ G_BUS_TYPE_SESSION, G_DBUS_PROXY_FLAGS_NONE, nullptr,
+ destinationName.get(), pathName.get(), remoteInterfaceName.get(), nullptr,
+ nullptr));
+ if (!proxy) {
+ LOG(" failed to create DBus proxy");
+ return NS_ERROR_FAILURE;
+ }
+
+ GUniquePtr<GError> error;
+ RefPtr<GVariant> reply = dont_AddRef(g_dbus_proxy_call_sync(
+ proxy, "OpenURL",
+ g_variant_new_from_data(G_VARIANT_TYPE("(ay)"), aBuffer, aLength, true,
+ nullptr, nullptr),
+ G_DBUS_CALL_FLAGS_NONE, -1, nullptr, getter_Transfers(error)));
+#ifdef MOZ_LOGGING
+ if (!reply) {
+ LOG(" failed to OpenURL: %s", error->message);
+ }
+#endif
+
+ return reply ? NS_OK : NS_ERROR_FAILURE;
+}