Remove content process sandbox code.

7 files changed, 0 insertions, 414 deletions

diff --git a/dom/ipc/ContentChild.cpp b/dom/ipc/ContentChild.cpp
index 75678ca962..d7068c6c35 100644
--- a/dom/ipc/ContentChild.cpp
+++ b/dom/ipc/ContentChild.cpp
@@ -65,21 +65,6 @@
 #include "imgLoader.h"
 #include "GMPServiceChild.h"
 
-#if defined(MOZ_CONTENT_SANDBOX)
-#if defined(XP_WIN)
-#define TARGET_SANDBOX_EXPORTS
-#include "mozilla/sandboxTarget.h"
-#elif defined(XP_LINUX)
-#include "mozilla/Sandbox.h"
-#include "mozilla/SandboxInfo.h"
-
-// Remove this include with Bug 1104619
-#include "CubebUtils.h"
-#elif defined(XP_MACOSX)
-#include "mozilla/Sandbox.h"
-#endif
-#endif
-
 #include "mozilla/Unused.h"
 
 #include "mozInlineSpellChecker.h"
@@ -1250,192 +1235,11 @@ ContentChild::AllocPProcessHangMonitorChild(Transport* aTransport,
   return CreateHangMonitorChild(aTransport, aOtherProcess);
 }
 
-#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
-
-#include <stdlib.h>
-
-static bool
-GetAppPaths(nsCString &aAppPath, nsCString &aAppBinaryPath, nsCString &aAppDir)
-{
-  nsAutoCString appPath;
-  nsAutoCString appBinaryPath(
-    (CommandLine::ForCurrentProcess()->argv()[0]).c_str());
-
-  nsAutoCString::const_iterator start, end;
-  appBinaryPath.BeginReading(start);
-  appBinaryPath.EndReading(end);
-  if (RFindInReadable(NS_LITERAL_CSTRING(".app/Contents/MacOS/"), start, end)) {
-    end = start;
-    ++end; ++end; ++end; ++end;
-    appBinaryPath.BeginReading(start);
-    appPath.Assign(Substring(start, end));
-  } else {
-    return false;
-  }
-
-  nsCOMPtr<nsIFile> app, appBinary;
-  nsresult rv = NS_NewLocalFile(NS_ConvertUTF8toUTF16(appPath),
-                                true, getter_AddRefs(app));
-  if (NS_FAILED(rv)) {
-    return false;
-  }
-  rv = NS_NewLocalFile(NS_ConvertUTF8toUTF16(appBinaryPath),
-                       true, getter_AddRefs(appBinary));
-  if (NS_FAILED(rv)) {
-    return false;
-  }
-
-  nsCOMPtr<nsIFile> appDir;
-  nsCOMPtr<nsIProperties> dirSvc =
-    do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
-  if (!dirSvc) {
-    return false;
-  }
-  rv = dirSvc->Get(NS_XPCOM_CURRENT_PROCESS_DIR,
-                   NS_GET_IID(nsIFile), getter_AddRefs(appDir));
-  if (NS_FAILED(rv)) {
-    return false;
-  }
-  bool exists;
-  rv = appDir->Exists(&exists);
-  if (NS_FAILED(rv) || !exists) {
-    return false;
-  }
-
-  bool isLink;
-  app->IsSymlink(&isLink);
-  if (isLink) {
-    app->GetNativeTarget(aAppPath);
-  } else {
-    app->GetNativePath(aAppPath);
-  }
-  appBinary->IsSymlink(&isLink);
-  if (isLink) {
-    appBinary->GetNativeTarget(aAppBinaryPath);
-  } else {
-    appBinary->GetNativePath(aAppBinaryPath);
-  }
-  appDir->IsSymlink(&isLink);
-  if (isLink) {
-    appDir->GetNativeTarget(aAppDir);
-  } else {
-    appDir->GetNativePath(aAppDir);
-  }
-
-  return true;
-}
-
-static bool
-StartMacOSContentSandbox()
-{
-  int sandboxLevel = Preferences::GetInt("security.sandbox.content.level");
-  if (sandboxLevel < 1) {
-    return false;
-  }
-
-  nsAutoCString appPath, appBinaryPath, appDir;
-  if (!GetAppPaths(appPath, appBinaryPath, appDir)) {
-    MOZ_CRASH("Error resolving child process path");
-  }
-
-  // During sandboxed content process startup, before reaching
-  // this point, NS_OS_TEMP_DIR is modified to refer to a sandbox-
-  // writable temporary directory
-  nsCOMPtr<nsIFile> tempDir;
-  nsresult rv = nsDirectoryService::gService->Get(NS_OS_TEMP_DIR,
-      NS_GET_IID(nsIFile), getter_AddRefs(tempDir));
-  if (NS_FAILED(rv)) {
-    MOZ_CRASH("Failed to get NS_OS_TEMP_DIR");
-  }
-
-  nsAutoCString tempDirPath;
-  tempDir->Normalize();
-  rv = tempDir->GetNativePath(tempDirPath);
-  if (NS_FAILED(rv)) {
-    MOZ_CRASH("Failed to get NS_OS_TEMP_DIR path");
-  }
-
-  nsCOMPtr<nsIFile> profileDir;
-  ContentChild::GetSingleton()->GetProfileDir(getter_AddRefs(profileDir));
-  nsCString profileDirPath;
-  if (profileDir) {
-    rv = profileDir->GetNativePath(profileDirPath);
-    if (NS_FAILED(rv) || profileDirPath.IsEmpty()) {
-      MOZ_CRASH("Failed to get profile path");
-    }
-  }
-
-  MacSandboxInfo info;
-  info.type = MacSandboxType_Content;
-  info.level = info.level = sandboxLevel;
-  info.appPath.assign(appPath.get());
-  info.appBinaryPath.assign(appBinaryPath.get());
-  info.appDir.assign(appDir.get());
-  info.appTempDir.assign(tempDirPath.get());
-
-  if (profileDir) {
-    info.hasSandboxedProfile = true;
-    info.profileDir.assign(profileDirPath.get());
-  } else {
-    info.hasSandboxedProfile = false;
-  }
-
-  std::string err;
-  if (!mozilla::StartMacSandbox(info, err)) {
-    NS_WARNING(err.c_str());
-    MOZ_CRASH("sandbox_init() failed");
-  }
-
-  return true;
-}
-#endif
-
 bool
 ContentChild::RecvSetProcessSandbox(const MaybeFileDesc& aBroker)
 {
   // We may want to move the sandbox initialization somewhere else
   // at some point; see bug 880808.
-#if defined(MOZ_CONTENT_SANDBOX)
-  bool sandboxEnabled = true;
-#if defined(XP_LINUX)
-#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 19
-  // For B2G >= KitKat, sandboxing is mandatory; this has already
-  // been enforced by ContentParent::StartUp().
-  MOZ_ASSERT(SandboxInfo::Get().CanSandboxContent());
-#else
-  // Otherwise, sandboxing is best-effort.
-  if (!SandboxInfo::Get().CanSandboxContent()) {
-       sandboxEnabled = false;
-   } else {
-       // This triggers the initialization of cubeb, which needs to happen
-       // before seccomp is enabled (Bug 1259508). It also increases the startup
-       // time of the content process, because cubeb is usually initialized
-       // when it is actually needed. This call here is no longer required
-       // once Bug 1104619 (remoting audio) is resolved.
-       Unused << CubebUtils::GetCubebContext();
-  }
-
-#endif /* MOZ_WIDGET_GONK && ANDROID_VERSION >= 19 */
-  if (sandboxEnabled) {
-    int brokerFd = -1;
-    if (aBroker.type() == MaybeFileDesc::TFileDescriptor) {
-      auto fd = aBroker.get_FileDescriptor().ClonePlatformHandle();
-      brokerFd = fd.release();
-      // brokerFd < 0 means to allow direct filesystem access, so
-      // make absolutely sure that doesn't happen if the parent
-      // didn't intend it.
-      MOZ_RELEASE_ASSERT(brokerFd >= 0);
-    }
-    sandboxEnabled = SetContentProcessSandbox(brokerFd);
-  }
-#elif defined(XP_WIN)
-  mozilla::SandboxTarget::Instance()->StartSandbox();
-#elif defined(XP_MACOSX)
-  sandboxEnabled = StartMacOSContentSandbox();
-#endif
-
-#endif /* MOZ_CONTENT_SANDBOX */
-
   return true;
 }
 
diff --git a/dom/ipc/ContentChild.h b/dom/ipc/ContentChild.h
index cb718aff96..c78f951f0f 100644
--- a/dom/ipc/ContentChild.h
+++ b/dom/ipc/ContentChild.h
@@ -21,10 +21,6 @@
 #include "nsWeakPtr.h"
 #include "nsIWindowProvider.h"
 
-#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
-#include "nsIFile.h"
-#endif
-
 struct ChromePackage;
 class nsIObserver;
 struct SubstitutionMapping;
@@ -118,19 +114,6 @@ public:
 
   void GetProcessName(nsACString& aName) const;
 
-#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
-  void GetProfileDir(nsIFile** aProfileDir) const
-  {
-    *aProfileDir = mProfileDir;
-    NS_IF_ADDREF(*aProfileDir);
-  }
-
-  void SetProfileDir(nsIFile* aProfileDir)
-  {
-    mProfileDir = aProfileDir;
-  }
-#endif
-
   bool IsAlive() const;
 
   bool IsShuttingDown() const;
@@ -679,10 +662,6 @@ private:
   nsCOMPtr<nsIDomainPolicy> mPolicy;
   nsCOMPtr<nsITimer> mForceKillTimer;
 
-#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
-  nsCOMPtr<nsIFile> mProfileDir;
-#endif
-
   // Hashtable to keep track of the pending GetFilesHelper objects.
   // This GetFilesHelperChild objects are removed when RecvGetFilesResponse is
   // received.
diff --git a/dom/ipc/ContentParent.cpp b/dom/ipc/ContentParent.cpp
index 286f1d851e..ee0f8090a2 100644
--- a/dom/ipc/ContentParent.cpp
+++ b/dom/ipc/ContentParent.cpp
@@ -230,12 +230,6 @@ using namespace mozilla::system;
 #include "mozilla/dom/SpeechSynthesisParent.h"
 #endif
 
-#if defined(MOZ_CONTENT_SANDBOX) && defined(XP_LINUX)
-#include "mozilla/SandboxInfo.h"
-#include "mozilla/SandboxBroker.h"
-#include "mozilla/SandboxBrokerPolicyFactory.h"
-#endif
-
 #ifdef MOZ_TOOLKIT_SEARCH
 #include "nsIBrowserSearchService.h"
 #endif
@@ -503,9 +497,6 @@ nsTArray<ContentParent*>* ContentParent::sNonAppContentParents;
 nsTArray<ContentParent*>* ContentParent::sLargeAllocationContentParents;
 nsTArray<ContentParent*>* ContentParent::sPrivateContent;
 StaticAutoPtr<LinkedList<ContentParent> > ContentParent::sContentParents;
-#if defined(XP_LINUX) && defined(MOZ_CONTENT_SANDBOX)
-UniquePtr<SandboxBrokerPolicyFactory> ContentParent::sSandboxBrokerPolicyFactory;
-#endif
 
 // This is true when subprocess launching is enabled.  This is the
 // case between StartUp() and ShutDown() or JoinAllSubprocesses().
@@ -637,18 +628,6 @@ ContentParent::StartUp()
     return;
   }
 
-#if defined(MOZ_CONTENT_SANDBOX) && defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 19
-  // Require sandboxing on B2G >= KitKat.  This condition must stay
-  // in sync with ContentChild::RecvSetProcessSandbox.
-  if (!SandboxInfo::Get().CanSandboxContent()) {
-    // MOZ_CRASH strings are only for debug builds; make sure the
-    // message is clear on non-debug builds as well:
-    printf_stderr("Sandboxing support is required on this platform.  "
-                  "Recompile kernel with CONFIG_SECCOMP_FILTER=y\n");
-    MOZ_CRASH("Sandboxing support is required on this platform.");
-  }
-#endif
-
   // Note: This reporter measures all ContentParents.
   RegisterStrongMemoryReporter(new ContentParentsMemoryReporter());
 
@@ -662,10 +641,6 @@ ContentParent::StartUp()
   PreallocatedProcessManager::AllocateAfterDelay();
 
   sDisableUnsafeCPOWWarnings = PR_GetEnv("DISABLE_UNSAFE_CPOW_WARNINGS");
-
-#if defined(XP_LINUX) && defined(MOZ_CONTENT_SANDBOX)
-  sSandboxBrokerPolicyFactory = MakeUnique<SandboxBrokerPolicyFactory>();
-#endif
 }
 
 /*static*/ void
@@ -674,10 +649,6 @@ ContentParent::ShutDown()
   // No-op for now.  We rely on normal process shutdown and
   // ClearOnShutdown() to clean up our state.
   sCanLaunchSubprocesses = false;
-
-#if defined(XP_LINUX) && defined(MOZ_CONTENT_SANDBOX)
-  sSandboxBrokerPolicyFactory = nullptr;
-#endif
 }
 
 /*static*/ void
@@ -2244,37 +2215,6 @@ ContentParent::InitInternal(ProcessPriority aInitialPriority,
     }
   }
 
-#ifdef MOZ_CONTENT_SANDBOX
-  bool shouldSandbox = true;
-  MaybeFileDesc brokerFd = void_t();
-#ifdef XP_LINUX
-  // XXX: Checking the pref here makes it possible to enable/disable sandboxing
-  // during an active session. Currently the pref is only used for testing
-  // purpose. If the decision is made to permanently rely on the pref, this
-  // should be changed so that it is required to restart firefox for the change
-  // of value to take effect.
-  shouldSandbox = (Preferences::GetInt("security.sandbox.content.level") > 0) &&
-    !PR_GetEnv("MOZ_DISABLE_CONTENT_SANDBOX");
-
-  if (shouldSandbox) {
-    MOZ_ASSERT(!mSandboxBroker);
-    UniquePtr<SandboxBroker::Policy> policy =
-      sSandboxBrokerPolicyFactory->GetContentPolicy(Pid());
-    if (policy) {
-      brokerFd = FileDescriptor();
-      mSandboxBroker = SandboxBroker::Create(Move(policy), Pid(), brokerFd);
-      if (!mSandboxBroker) {
-        KillHard("SandboxBroker::Create failed");
-        return;
-      }
-      MOZ_ASSERT(static_cast<const FileDescriptor&>(brokerFd).IsValid());
-    }
-  }
-#endif
-  if (shouldSandbox && !SendSetProcessSandbox(brokerFd)) {
-    KillHard("SandboxInitFailed");
-  }
-#endif
 #if defined(XP_WIN)
   // Send the info needed to join the browser process's audio session.
   nsID id;
diff --git a/dom/ipc/ContentParent.h b/dom/ipc/ContentParent.h
index a3750de1a6..3f74b10e10 100644
--- a/dom/ipc/ContentParent.h
+++ b/dom/ipc/ContentParent.h
@@ -46,11 +46,6 @@ class PRemoteSpellcheckEngineParent;
 class ProfileGatherer;
 #endif
 
-#if defined(XP_LINUX) && defined(MOZ_CONTENT_SANDBOX)
-class SandboxBroker;
-class SandboxBrokerPolicyFactory;
-#endif
-
 namespace embedding {
 class PrintingParent;
 }
@@ -1152,12 +1147,6 @@ private:
 
   UniquePtr<gfx::DriverCrashGuard> mDriverCrashGuard;
 
-#if defined(XP_LINUX) && defined(MOZ_CONTENT_SANDBOX)
-  mozilla::UniquePtr<SandboxBroker> mSandboxBroker;
-  static mozilla::UniquePtr<SandboxBrokerPolicyFactory>
-      sSandboxBrokerPolicyFactory;
-#endif
-
 #ifdef NS_PRINTING
   RefPtr<embedding::PrintingParent> mPrintingParent;
 #endif
diff --git a/dom/ipc/ContentProcess.cpp b/dom/ipc/ContentProcess.cpp
index 2413d88087..986617f551 100644
--- a/dom/ipc/ContentProcess.cpp
+++ b/dom/ipc/ContentProcess.cpp
@@ -8,122 +8,17 @@
 
 #include "ContentProcess.h"
 
-#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
-#include <stdlib.h>
-#endif
-
-#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
-#include "mozilla/Preferences.h"
-#include "nsAppDirectoryServiceDefs.h"
-#include "nsDirectoryService.h"
-#include "nsDirectoryServiceDefs.h"
-#endif
-
 using mozilla::ipc::IOThreadChild;
 
 namespace mozilla {
 namespace dom {
 
-#if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)
-static bool
-IsSandboxTempDirRequired()
-{
-  // On Windows, a sandbox-writable temp directory is only used
-  // when sandbox pref level >= 1.
-  return Preferences::GetInt("security.sandbox.content.level") >= 1;
-}
-
-static void
-SetTmpEnvironmentVariable(nsIFile* aValue)
-{
-  // Save the TMP environment variable so that is is picked up by GetTempPath().
-  // Note that we specifically write to the TMP variable, as that is the first
-  // variable that is checked by GetTempPath() to determine its output.
-  nsAutoString fullTmpPath;
-  nsresult rv = aValue->GetPath(fullTmpPath);
-  if (NS_WARN_IF(NS_FAILED(rv))) {
-    return;
-  }
-  Unused << NS_WARN_IF(!SetEnvironmentVariableW(L"TMP", fullTmpPath.get()));
-  // We also set TEMP in case there is naughty third-party code that is
-  // referencing the environment variable directly.
-  Unused << NS_WARN_IF(!SetEnvironmentVariableW(L"TEMP", fullTmpPath.get()));
-}
-#endif
-
-#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
-static bool
-IsSandboxTempDirRequired()
-{
-  // On OSX, use the sandbox-writable temp when the pref level >= 1.
-  return (Preferences::GetInt("security.sandbox.content.level") >= 1);
-}
-
-static void
-SetTmpEnvironmentVariable(nsIFile* aValue)
-{
-  nsAutoCString fullTmpPath;
-  nsresult rv = aValue->GetNativePath(fullTmpPath);
-  if (NS_WARN_IF(NS_FAILED(rv))) {
-    return;
-  }
-  Unused << NS_WARN_IF(setenv("TMPDIR", fullTmpPath.get(), 1) != 0);
-}
-#endif
-
-#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
-static void
-SetUpSandboxEnvironment()
-{
-  MOZ_ASSERT(nsDirectoryService::gService,
-    "SetUpSandboxEnvironment relies on nsDirectoryService being initialized");
-
-  if (!IsSandboxTempDirRequired()) {
-    return;
-  }
-
-  nsCOMPtr<nsIFile> sandboxedContentTemp;
-  nsresult rv =
-    nsDirectoryService::gService->Get(NS_APP_CONTENT_PROCESS_TEMP_DIR,
-                                      NS_GET_IID(nsIFile),
-                                      getter_AddRefs(sandboxedContentTemp));
-  if (NS_WARN_IF(NS_FAILED(rv))) {
-    return;
-  }
-
-  // Change the gecko defined temp directory to our sandbox-writable one.
-  // Undefine returns a failure if the property is not already set.
-  Unused << nsDirectoryService::gService->Undefine(NS_OS_TEMP_DIR);
-  rv = nsDirectoryService::gService->Set(NS_OS_TEMP_DIR, sandboxedContentTemp);
-  if (NS_WARN_IF(NS_FAILED(rv))) {
-    return;
-  }
-
-  SetTmpEnvironmentVariable(sandboxedContentTemp);
-}
-#endif
-
 void
 ContentProcess::SetAppDir(const nsACString& aPath)
 {
   mXREEmbed.SetAppDir(aPath);
 }
 
-#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
-void
-ContentProcess::SetProfile(const nsACString& aProfile)
-{
-  bool flag;
-  nsresult rv =
-    XRE_GetFileFromPath(aProfile.BeginReading(), getter_AddRefs(mProfileDir));
-  if (NS_FAILED(rv) ||
-      NS_FAILED(mProfileDir->Exists(&flag)) || !flag) {
-    NS_WARNING("Invalid profile directory passed to content process.");
-    mProfileDir = nullptr;
-  }
-}
-#endif
-
 bool
 ContentProcess::Init()
 {
@@ -134,14 +29,6 @@ ContentProcess::Init()
     mContent.InitXPCOM();
     mContent.InitGraphicsDeviceData();
 
-#if (defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
-    mContent.SetProfileDir(mProfileDir);
-#endif
-
-#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
-    SetUpSandboxEnvironment();
-#endif
-
     return true;
 }
 
diff --git a/dom/ipc/ContentProcess.h b/dom/ipc/ContentProcess.h
index bf9968f8ca..3950368bd4 100644
--- a/dom/ipc/ContentProcess.h
+++ b/dom/ipc/ContentProcess.h
@@ -39,18 +39,10 @@ public:
 
   void SetAppDir(const nsACString& aPath);
 
-#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
-  void SetProfile(const nsACString& aProfile);
-#endif
-
 private:
   ContentChild mContent;
   mozilla::ipc::ScopedXREEmbed mXREEmbed;
 
-#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
-  nsCOMPtr<nsIFile> mProfileDir;
-#endif
-
 #if defined(XP_WIN)
   // This object initializes and configures COM.
   mozilla::mscom::MainThreadRuntime mCOMRuntime;
diff --git a/dom/ipc/moz.build b/dom/ipc/moz.build
index 71d193d44a..1a0527daea 100644
--- a/dom/ipc/moz.build
+++ b/dom/ipc/moz.build
@@ -112,11 +112,6 @@ if CONFIG['MOZ_SANDBOX'] and CONFIG['OS_TARGET'] == 'Darwin':
         'mozsandbox',
     ]
 
-if CONFIG['MOZ_CONTENT_SANDBOX'] and CONFIG['OS_ARCH'] == 'Linux':
-    USE_LIBS += [
-        'mozsandbox',
-    ]
-
 LOCAL_INCLUDES += [
     '/caps',
     '/chrome',