/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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
http://mozilla.org/MPL/2.0/. */
// The Mac sandbox module is a static library (a Library in moz.build terms)
// that can be linked into any binary (for example plugin-container or XUL).
// It must not have dependencies on any other Mozilla module. This is why,
// for example, it has its own OS X version detection code, rather than
// linking to nsCocoaFeatures.mm in XUL.
#include "Sandbox.h"
#include <CoreFoundation/CoreFoundation.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include <iostream>
#include <sstream>
#include <vector>
#include "SandboxPolicyContent.h"
#include "SandboxPolicyGMP.h"
#include "SandboxPolicyRDD.h"
#include "SandboxPolicySocket.h"
#include "SandboxPolicyUtility.h"
#include "mozilla/Assertions.h"
#include "mozilla/GeckoArgs.h"
#include "mozilla/ipc/UtilityProcessSandboxing.h"
// Undocumented sandbox setup routines.
extern "C" int sandbox_init_with_parameters(const char* profile, uint64_t flags,
const char* const parameters[],
char** errorbuf);
extern "C" void sandbox_free_error(char* errorbuf);
extern "C" int sandbox_check(pid_t pid, const char* operation, int type, ...);
// Note about "major", "minor" and "bugfix" in the following code:
//
// The code decomposes an OS X version number into these components, and in
// doing so follows Apple's terminology in Gestalt.h. But this is very
// misleading, because in other contexts Apple uses the "minor" component of
// an OS X version number to indicate a "major" release (for example the "9"
// in OS X 10.9.5), and the "bugfix" component to indicate a "minor" release
// (for example the "5" in OS X 10.9.5).
class OSXVersion {
public:
static void Get(int32_t& aMajor, int32_t& aMinor);
private:
static void GetSystemVersion(int32_t& aMajor, int32_t& aMinor,
int32_t& aBugFix);
static bool mCached;
static int32_t mOSXVersionMajor;
static int32_t mOSXVersionMinor;
};
bool OSXVersion::mCached = false;
int32_t OSXVersion::mOSXVersionMajor;
int32_t OSXVersion::mOSXVersionMinor;
void OSXVersion::Get(int32_t& aMajor, int32_t& aMinor) {
if (!mCached) {
int32_t major, minor, bugfix;
GetSystemVersion(major, minor, bugfix);
mOSXVersionMajor = major;
mOSXVersionMinor = minor;
mCached = true;
}
aMajor = mOSXVersionMajor;
aMinor = mOSXVersionMinor;
}
void OSXVersion::GetSystemVersion(int32_t& aMajor, int32_t& aMinor,
int32_t& aBugFix) {
SInt32 major = 0, minor = 0, bugfix = 0;
CFURLRef url = CFURLCreateWithString(
kCFAllocatorDefault,
CFSTR("file:///System/Library/CoreServices/SystemVersion.plist"), NULL);
CFReadStreamRef stream = CFReadStreamCreateWithFile(kCFAllocatorDefault, url);
CFReadStreamOpen(stream);
CFDictionaryRef sysVersionPlist =
(CFDictionaryRef)CFPropertyListCreateWithStream(
kCFAllocatorDefault, stream, 0, kCFPropertyListImmutable, NULL, NULL);
CFReadStreamClose(stream);
CFRelease(stream);
CFRelease(url);
CFStringRef versionString = (CFStringRef)CFDictionaryGetValue(
sysVersionPlist, CFSTR("ProductVersion"));
CFArrayRef versions = CFStringCreateArrayBySeparatingStrings(
kCFAllocatorDefault, versionString, CFSTR("."));
CFIndex count = CFArrayGetCount(versions);
if (count > 0) {
CFStringRef component = (CFStringRef)CFArrayGetValueAtIndex(versions, 0);
major = CFStringGetIntValue(component);
if (count > 1) {
component = (CFStringRef)CFArrayGetValueAtIndex(versions, 1);
minor = CFStringGetIntValue(component);
if (count > 2) {
component = (CFStringRef)CFArrayGetValueAtIndex(versions, 2);
bugfix = CFStringGetIntValue(component);
}
}
}
CFRelease(sysVersionPlist);
CFRelease(versions);
if (major < 10) {
// If 'major' isn't what we expect, assume 10.6.
aMajor = 10;
aMinor = 6;
aBugFix = 0;
} else if ((major == 10) && (minor >= 16)) {
// Account for SystemVersionCompat.plist being used which is
// automatically used for builds using older SDK versions and
// results in 11.0 being reported as 10.16. Assume the compat
// version will increase in step with the correct version.
aMajor = 11;
aMinor = minor - 16;
aBugFix = bugfix;
} else {
aMajor = major;
aMinor = minor;
aBugFix = bugfix;
}
}
bool GetRealPath(std::string& aOutputPath, const char* aInputPath) {
char* resolvedPath = realpath(aInputPath, nullptr);
if (resolvedPath == nullptr) {
return false;
}
aOutputPath = resolvedPath;
free(resolvedPath);
return !aOutputPath.empty();
}
/*
* Returns true if the process is running under Rosetta translation. Returns
* false if running natively or if an error was encountered. To be called
* before enabling the sandbox therefore not requiring the sysctl be allowed
* by the sandbox policy. We use the `sysctl.proc_translated` sysctl which is
* documented by Apple to be used for this purpose.
*/
bool ProcessIsRosettaTranslated() {
int ret = 0;
size_t size = sizeof(ret);
if (sysctlbyname("sysctl.proc_translated", &ret, &size, NULL, 0) == -1) {
if (errno != ENOENT) {
fprintf(stderr, "Failed to check for translation environment\n");
}
return false;
}
return (ret == 1);
}
void MacSandboxInfo::AppendAsParams(std::vector<std::string>& aParams) const {
this->AppendStartupParam(aParams);
this->AppendLoggingParam(aParams);
this->AppendAppPathParam(aParams);
switch (this->type) {
case MacSandboxType_Content:
this->AppendLevelParam(aParams);
this->AppendAudioParam(aParams);
this->AppendWindowServerParam(aParams);
this->AppendReadPathParams(aParams);
#ifdef DEBUG
this->AppendDebugWriteDirParam(aParams);
#endif
break;
case MacSandboxType_RDD:
case MacSandboxType_Socket:
case MacSandboxType_Utility:
break;
case MacSandboxType_GMP:
this->AppendPluginPathParam(aParams);
this->AppendWindowServerParam(aParams);
this->AppendReadPathParams(aParams);
break;
default:
// Before supporting a new process type, add a case statement
// here to append any neccesary process-type-specific params.
MOZ_RELEASE_ASSERT(false);
break;
}
}
void MacSandboxInfo::AppendStartupParam(
std::vector<std::string>& aParams) const {
aParams.push_back("-sbStartup");
}
void MacSandboxInfo::AppendLoggingParam(
std::vector<std::string>& aParams) const {
if (this->shouldLog) {
aParams.push_back("-sbLogging");
}
}
void MacSandboxInfo::AppendAppPathParam(
std::vector<std::string>& aParams) const {
aParams.push_back("-sbAppPath");
aParams.push_back(this->appPath);
}
void MacSandboxInfo::AppendPluginPathParam(
std::vector<std::string>& aParams) const {
aParams.push_back("-sbPluginPath");
aParams.push_back(this->pluginPath);
}
/* static */
void MacSandboxInfo::AppendFileAccessParam(std::vector<std::string>& aParams,
bool aHasFilePrivileges) {
if (aHasFilePrivileges) {
aParams.push_back("-sbAllowFileAccess");
}
}
void MacSandboxInfo::AppendLevelParam(std::vector<std::string>& aParams) const {
std::ostringstream os;
os << this->level;
std::string levelString = os.str();
aParams.push_back("-sbLevel");
aParams.push_back(levelString);
}
void MacSandboxInfo::AppendAudioParam(std::vector<std::string>& aParams) const {
if (this->hasAudio) {
aParams.push_back("-sbAllowAudio");
}
}
void MacSandboxInfo::AppendWindowServerParam(
std::vector<std::string>& aParams) const {
if (this->hasWindowServer) {
aParams.push_back("-sbAllowWindowServer");
}
}
void MacSandboxInfo::AppendReadPathParams(
std::vector<std::string>& aParams) const {
if (!this->testingReadPath1.empty()) {
aParams.push_back("-sbTestingReadPath");
aParams.push_back(this->testingReadPath1.c_str());
}
if (!this->testingReadPath2.empty()) {
aParams.push_back("-sbTestingReadPath");
aParams.push_back(this->testingReadPath2.c_str());
}
if (!this->testingReadPath3.empty()) {
aParams.push_back("-sbTestingReadPath");
aParams.push_back(this->testingReadPath3.c_str());
}
if (!this->testingReadPath4.empty()) {
aParams.push_back("-sbTestingReadPath");
aParams.push_back(this->testingReadPath4.c_str());
}
}
#ifdef DEBUG
void MacSandboxInfo::AppendDebugWriteDirParam(
std::vector<std::string>& aParams) const {
if (!this->debugWriteDir.empty()) {
aParams.push_back("-sbDebugWriteDir");
aParams.push_back(this->debugWriteDir.c_str());
}
}
#endif
namespace mozilla {
bool StartMacSandbox(MacSandboxInfo const& aInfo, std::string& aErrorMessage)
{
std::vector<const char*> params;
std::string profile;
// Use a combined version number to simplify version check logic
// in sandbox policies. For example, 10.14 becomes "1014".
int32_t major = 0, minor = 0;
OSXVersion::Get(major, minor);
MOZ_ASSERT(minor >= 0 && minor < 100);
std::string combinedVersion = std::to_string((major * 100) + minor);
params.push_back("IS_ROSETTA_TRANSLATED");
params.push_back(ProcessIsRosettaTranslated() ? "TRUE" : "FALSE");
// Used for the content process to access to parts of the cache dir.
std::string userCacheDir;
if (aInfo.type == MacSandboxType_Utility) {
profile = const_cast<char*>(SandboxPolicyUtility);
switch (aInfo.utilityKind) {
case ipc::SandboxingKind::GENERIC_UTILITY:
// Nothing to do here specifically
break;
#ifdef MOZ_APPLEMEDIA
case ipc::SandboxingKind::UTILITY_AUDIO_DECODING_APPLE_MEDIA: {
profile.append(SandboxPolicyUtilityAudioDecoderAppleMediaAddend);
params.push_back("MAC_OS_VERSION");
params.push_back(combinedVersion.c_str());
} break;
#endif
default:
MOZ_ASSERT(false, "Invalid SandboxingKind");
break;
}
params.push_back("SHOULD_LOG");
params.push_back(aInfo.shouldLog ? "TRUE" : "FALSE");
params.push_back("APP_PATH");
params.push_back(aInfo.appPath.c_str());
if (!aInfo.crashServerPort.empty()) {
params.push_back("CRASH_PORT");
params.push_back(aInfo.crashServerPort.c_str());
}
} else if (aInfo.type == MacSandboxType_RDD) {
profile = const_cast<char*>(SandboxPolicyRDD);
params.push_back("SHOULD_LOG");
params.push_back(aInfo.shouldLog ? "TRUE" : "FALSE");
params.push_back("MAC_OS_VERSION");
params.push_back(combinedVersion.c_str());
params.push_back("APP_PATH");
params.push_back(aInfo.appPath.c_str());
params.push_back("HOME_PATH");
params.push_back(getenv("HOME"));
if (!aInfo.crashServerPort.empty()) {
params.push_back("CRASH_PORT");
params.push_back(aInfo.crashServerPort.c_str());
}
} else if (aInfo.type == MacSandboxType_Socket) {
profile = const_cast<char*>(SandboxPolicySocket);
params.push_back("SHOULD_LOG");
params.push_back(aInfo.shouldLog ? "TRUE" : "FALSE");
params.push_back("APP_PATH");
params.push_back(aInfo.appPath.c_str());
if (!aInfo.crashServerPort.empty()) {
params.push_back("CRASH_PORT");
params.push_back(aInfo.crashServerPort.c_str());
}
params.push_back("HOME_PATH");
params.push_back(getenv("HOME"));
} else if (aInfo.type == MacSandboxType_GMP) {
profile = const_cast<char*>(SandboxPolicyGMP);
params.push_back("SHOULD_LOG");
params.push_back(aInfo.shouldLog ? "TRUE" : "FALSE");
params.push_back("APP_PATH");
params.push_back(aInfo.appPath.c_str());
params.push_back("PLUGIN_PATH");
params.push_back(aInfo.pluginPath.c_str());
if (!aInfo.pluginBinaryPath.empty()) {
params.push_back("PLUGIN_BINARY_PATH");
params.push_back(aInfo.pluginBinaryPath.c_str());
}
params.push_back("HAS_WINDOW_SERVER");
params.push_back(aInfo.hasWindowServer ? "TRUE" : "FALSE");
if (!aInfo.crashServerPort.empty()) {
params.push_back("CRASH_PORT");
params.push_back(aInfo.crashServerPort.c_str());
}
if (!aInfo.testingReadPath1.empty()) {
params.push_back("TESTING_READ_PATH1");
params.push_back(aInfo.testingReadPath1.c_str());
}
if (!aInfo.testingReadPath2.empty()) {
params.push_back("TESTING_READ_PATH2");
params.push_back(aInfo.testingReadPath2.c_str());
}
} else if (aInfo.type == MacSandboxType_Content) {
MOZ_ASSERT(aInfo.level >= 1);
if (aInfo.level >= 1) {
profile = SandboxPolicyContent;
params.push_back("SHOULD_LOG");
params.push_back(aInfo.shouldLog ? "TRUE" : "FALSE");
params.push_back("SANDBOX_LEVEL_1");
params.push_back(aInfo.level == 1 ? "TRUE" : "FALSE");
params.push_back("SANDBOX_LEVEL_2");
params.push_back(aInfo.level == 2 ? "TRUE" : "FALSE");
params.push_back("SANDBOX_LEVEL_3");
params.push_back(aInfo.level == 3 ? "TRUE" : "FALSE");
params.push_back("MAC_OS_VERSION");
params.push_back(combinedVersion.c_str());
params.push_back("APP_PATH");
params.push_back(aInfo.appPath.c_str());
params.push_back("PROFILE_DIR");
params.push_back(aInfo.profileDir.c_str());
params.push_back("HOME_PATH");
params.push_back(getenv("HOME"));
params.push_back("HAS_SANDBOXED_PROFILE");
params.push_back(aInfo.hasSandboxedProfile ? "TRUE" : "FALSE");
params.push_back("HAS_WINDOW_SERVER");
params.push_back(aInfo.hasWindowServer ? "TRUE" : "FALSE");
if (!aInfo.crashServerPort.empty()) {
params.push_back("CRASH_PORT");
params.push_back(aInfo.crashServerPort.c_str());
}
params.push_back("DARWIN_USER_CACHE_DIR");
char confStrBuf[PATH_MAX];
if (!confstr(_CS_DARWIN_USER_CACHE_DIR, confStrBuf, sizeof(confStrBuf))) {
return false;
}
if (!GetRealPath(userCacheDir, confStrBuf)) {
return false;
}
params.push_back(userCacheDir.c_str());
if (!aInfo.testingReadPath1.empty()) {
params.push_back("TESTING_READ_PATH1");
params.push_back(aInfo.testingReadPath1.c_str());
}
if (!aInfo.testingReadPath2.empty()) {
params.push_back("TESTING_READ_PATH2");
params.push_back(aInfo.testingReadPath2.c_str());
}
if (!aInfo.testingReadPath3.empty()) {
params.push_back("TESTING_READ_PATH3");
params.push_back(aInfo.testingReadPath3.c_str());
}
if (!aInfo.testingReadPath4.empty()) {
params.push_back("TESTING_READ_PATH4");
params.push_back(aInfo.testingReadPath4.c_str());
}
#ifdef DEBUG
if (!aInfo.debugWriteDir.empty()) {
params.push_back("DEBUG_WRITE_DIR");
params.push_back(aInfo.debugWriteDir.c_str());
}
#endif // DEBUG
if (aInfo.hasFilePrivileges) {
profile.append(SandboxPolicyContentFileAddend);
}
if (aInfo.hasAudio) {
profile.append(SandboxPolicyContentAudioAddend);
}
} else {
fprintf(stderr,
"Content sandbox disabled due to sandbox level setting\n");
return false;
}
} else {
char* msg = NULL;
asprintf(&msg, "Unexpected sandbox type %u", aInfo.type);
if (msg) {
aErrorMessage.assign(msg);
free(msg);
}
return false;
}
if (profile.empty()) {
fprintf(stderr, "Out of memory in StartMacSandbox()!\n");
return false;
}
// In order to avoid relying on any other Mozilla modules (as described at the
// top of this file), we use our own #define instead of the existing MOZ_LOG
// infrastructure. This can be used by developers to debug the macOS sandbox
// policy.
#define MAC_SANDBOX_PRINT_POLICY 0
#if MAC_SANDBOX_PRINT_POLICY
printf("Sandbox params for PID %d:\n", getpid());
for (size_t i = 0; i < params.size() / 2; i++) {
printf(" %s = %s\n", params[i * 2], params[(i * 2) + 1]);
}
printf("Sandbox profile:\n%s\n", profile.c_str());
#endif
// The parameters array is null terminated.
params.push_back(nullptr);
char* errorbuf = NULL;
int rv = sandbox_init_with_parameters(profile.c_str(), 0, params.data(),
&errorbuf);
if (rv) {
if (errorbuf) {
char* msg = NULL;
asprintf(&msg, "sandbox_init() failed with error \"%s\"", errorbuf);
if (msg) {
aErrorMessage.assign(msg);
free(msg);
}
fprintf(stderr, "profile: %s\n", profile.c_str());
sandbox_free_error(errorbuf);
}
}
if (rv) {
return false;
}
return true;
}
/*
* Fill |aInfo| with content sandbox params parsed from the provided
* command line arguments. Return false if any sandbox parameters needed
* for early startup of the sandbox are not present in the arguments.
*/
bool GetContentSandboxParamsFromArgs(int aArgc, char** aArgv,
MacSandboxInfo& aInfo) {
// Ensure we find these paramaters in the command
// line arguments. Return false if any are missing.
bool foundSandboxLevel = false;
bool foundValidSandboxLevel = false;
bool foundAppPath = false;
// Read access directories used in testing
int nTestingReadPaths = 0;
std::string testingReadPaths[MAX_CONTENT_TESTING_READ_PATHS] = {};
// Collect sandbox params from CLI arguments
for (int i = 0; i < aArgc; i++) {
if ((strcmp(aArgv[i], "-sbLevel") == 0) && (i + 1 < aArgc)) {
std::stringstream ss(aArgv[i + 1]);
int level = 0;
ss >> level;
foundSandboxLevel = true;
aInfo.level = level;
foundValidSandboxLevel = level > 0 && level <= 3 ? true : false;
if (!foundValidSandboxLevel) {
break;
}
i++;
continue;
}
if (strcmp(aArgv[i], "-sbLogging") == 0) {
aInfo.shouldLog = true;
continue;
}
if (strcmp(aArgv[i], "-sbAllowFileAccess") == 0) {
aInfo.hasFilePrivileges = true;
continue;
}
if (strcmp(aArgv[i], "-sbAllowAudio") == 0) {
aInfo.hasAudio = true;
continue;
}
if (strcmp(aArgv[i], "-sbAllowWindowServer") == 0) {
aInfo.hasWindowServer = true;
continue;
}
if ((strcmp(aArgv[i], "-sbAppPath") == 0) && (i + 1 < aArgc)) {
foundAppPath = true;
aInfo.appPath.assign(aArgv[i + 1]);
i++;
continue;
}
if ((strcmp(aArgv[i], "-sbTestingReadPath") == 0) && (i + 1 < aArgc)) {
if (nTestingReadPaths >= MAX_CONTENT_TESTING_READ_PATHS) {
MOZ_CRASH("Too many content process -sbTestingReadPath arguments");
}
testingReadPaths[nTestingReadPaths] = aArgv[i + 1];
nTestingReadPaths++;
i++;
continue;
}
if ((strcmp(aArgv[i], "-profile") == 0) && (i + 1 < aArgc)) {
aInfo.hasSandboxedProfile = true;
aInfo.profileDir.assign(aArgv[i + 1]);
i++;
continue;
}
#ifdef DEBUG
if ((strcmp(aArgv[i], "-sbDebugWriteDir") == 0) && (i + 1 < aArgc)) {
aInfo.debugWriteDir.assign(aArgv[i + 1]);
i++;
continue;
}
#endif // DEBUG
// Handle crash server positional argument
if (strstr(aArgv[i], "gecko-crash-server-pipe") != NULL) {
aInfo.crashServerPort.assign(aArgv[i]);
continue;
}
}
if (!foundSandboxLevel) {
fprintf(stderr, "Content sandbox disabled due to "
"missing sandbox CLI level parameter.\n");
return false;
}
if (!foundValidSandboxLevel) {
fprintf(stderr,
"Content sandbox disabled due to invalid"
"sandbox level (%d)\n",
aInfo.level);
return false;
}
if (!foundAppPath) {
fprintf(stderr, "Content sandbox disabled due to "
"missing sandbox CLI app path parameter.\n");
return false;
}
aInfo.testingReadPath1 = testingReadPaths[0];
aInfo.testingReadPath2 = testingReadPaths[1];
aInfo.testingReadPath3 = testingReadPaths[2];
aInfo.testingReadPath4 = testingReadPaths[3];
return true;
}
bool GetUtilitySandboxParamsFromArgs(int aArgc, char** aArgv,
MacSandboxInfo& aInfo,
bool aSandboxingKindRequired = true) {
// Ensure we find these paramaters in the command
// line arguments. Return false if any are missing.
bool foundAppPath = false;
// Collect sandbox params from CLI arguments
for (int i = 0; i < aArgc; i++) {
if (strcmp(aArgv[i], "-sbLogging") == 0) {
aInfo.shouldLog = true;
continue;
}
if ((strcmp(aArgv[i], "-sbAppPath") == 0) && (i + 1 < aArgc)) {
foundAppPath = true;
aInfo.appPath.assign(aArgv[i + 1]);
i++;
continue;
}
// Handle crash server positional argument
if (strstr(aArgv[i], "gecko-crash-server-pipe") != NULL) {
aInfo.crashServerPort.assign(aArgv[i]);
continue;
}
}
if (aSandboxingKindRequired) {
Maybe<uint64_t> sandboxingKind =
geckoargs::sSandboxingKind.Get(aArgc, aArgv, CheckArgFlag::None);
if (sandboxingKind.isNothing()) {
fprintf(stderr, "Utility sandbox requires a sandboxingKind");
return false;
}
aInfo.utilityKind = (ipc::SandboxingKind)*sandboxingKind;
}
if (!foundAppPath) {
fprintf(stderr, "Utility sandbox disabled due to "
"missing sandbox CLI app path parameter.\n");
return false;
}
return true;
}
bool GetSocketSandboxParamsFromArgs(int aArgc, char** aArgv,
MacSandboxInfo& aInfo) {
return GetUtilitySandboxParamsFromArgs(aArgc, aArgv, aInfo, false);
}
bool GetPluginSandboxParamsFromArgs(int aArgc, char** aArgv,
MacSandboxInfo& aInfo) {
// Ensure we find these paramaters in the command
// line arguments. Return false if any are missing.
bool foundAppPath = false;
bool foundPluginPath = false;
// Read access directories used in testing
int nTestingReadPaths = 0;
std::string testingReadPaths[MAX_GMP_TESTING_READ_PATHS] = {};
// Collect sandbox params from CLI arguments
for (int i = 0; i < aArgc; i++) {
if (strcmp(aArgv[i], "-sbLogging") == 0) {
aInfo.shouldLog = true;
continue;
}
if ((strcmp(aArgv[i], "-sbAppPath") == 0) && (i + 1 < aArgc)) {
foundAppPath = true;
aInfo.appPath.assign(aArgv[i + 1]);
i++;
continue;
}
if ((strcmp(aArgv[i], "-sbPluginPath") == 0) && (i + 1 < aArgc)) {
foundPluginPath = true;
aInfo.pluginPath.assign(aArgv[i + 1]);
i++;
continue;
}
if (strcmp(aArgv[i], "-sbAllowWindowServer") == 0) {
aInfo.hasWindowServer = true;
continue;
}
if ((strcmp(aArgv[i], "-sbTestingReadPath") == 0) && (i + 1 < aArgc)) {
if (nTestingReadPaths >= MAX_GMP_TESTING_READ_PATHS) {
MOZ_CRASH("Too many GMP process -sbTestingReadPath arguments");
}
testingReadPaths[nTestingReadPaths] = aArgv[i + 1];
nTestingReadPaths++;
i++;
continue;
}
// Handle crash server positional argument
if (strstr(aArgv[i], "gecko-crash-server-pipe") != NULL) {
aInfo.crashServerPort.assign(aArgv[i]);
continue;
}
}
if (!foundPluginPath) {
fprintf(stderr, "GMP sandbox disabled due to "
"missing sandbox CLI plugin path parameter.\n");
return false;
}
if (!foundAppPath) {
fprintf(stderr, "GMP sandbox disabled due to "
"missing sandbox CLI app path parameter.\n");
return false;
}
aInfo.testingReadPath1 = testingReadPaths[0];
aInfo.testingReadPath2 = testingReadPaths[1];
return true;
}
bool GetRDDSandboxParamsFromArgs(int aArgc, char** aArgv,
MacSandboxInfo& aInfo) {
return GetUtilitySandboxParamsFromArgs(aArgc, aArgv, aInfo, false);
}
/*
* Returns true if no errors were encountered or if early sandbox startup is
* not enabled for this process. Returns false if an error was encountered.
*/
bool StartMacSandboxIfEnabled(const MacSandboxType aSandboxType, int aArgc,
char** aArgv, std::string& aErrorMessage) {
bool earlyStartupEnabled = false;
// Check for the -sbStartup CLI parameter which
// indicates we should start the sandbox now.
for (int i = 0; i < aArgc; i++) {
if (strcmp(aArgv[i], "-sbStartup") == 0) {
earlyStartupEnabled = true;
break;
}
}
// The sandbox will be started later when/if parent
// sends the sandbox startup message. Return true
// indicating no errors occurred.
if (!earlyStartupEnabled) {
return true;
}
MacSandboxInfo info;
info.type = aSandboxType;
// For now, early start is only implemented
// for content and utility sandbox types.
switch (aSandboxType) {
case MacSandboxType_Content:
if (!GetContentSandboxParamsFromArgs(aArgc, aArgv, info)) {
return false;
}
break;
case MacSandboxType_GMP:
if (!GetPluginSandboxParamsFromArgs(aArgc, aArgv, info)) {
return false;
}
break;
case MacSandboxType_RDD:
if (!GetRDDSandboxParamsFromArgs(aArgc, aArgv, info)) {
return false;
}
break;
case MacSandboxType_Socket:
if (!GetSocketSandboxParamsFromArgs(aArgc, aArgv, info)) {
return false;
}
break;
case MacSandboxType_Utility:
if (!GetUtilitySandboxParamsFromArgs(aArgc, aArgv, info)) {
return false;
}
break;
default:
MOZ_RELEASE_ASSERT(false);
break;
}
return StartMacSandbox(info, aErrorMessage);
}
bool IsMacSandboxStarted() { return sandbox_check(getpid(), NULL, 0) == 1; }
#ifdef DEBUG
// sandbox_check returns 1 if the specified process is sandboxed
void AssertMacSandboxEnabled() {
MOZ_ASSERT(sandbox_check(getpid(), NULL, 0) == 1);
}
#endif /* DEBUG */
} // namespace mozilla
