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author | wolfbeast <mcwerewolf@gmail.com> | 2018-05-03 05:55:15 +0200 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-05-03 05:55:15 +0200 |
commit | 43f7a588f96aaf88e7b69441c3b50bc9c7b20df7 (patch) | |
tree | 07d9b26b2f357ee9de04fea0e5e4b8b9a1ff93a4 /security/sandbox/test | |
parent | 4613b91ecac2745252c40be64e73de5ff920b02b (diff) | |
download | UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.tar UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.tar.gz UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.tar.lz UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.tar.xz UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.zip |
Nuke the sandbox
Diffstat (limited to 'security/sandbox/test')
-rw-r--r-- | security/sandbox/test/browser.ini | 11 | ||||
-rw-r--r-- | security/sandbox/test/browser_content_sandbox_fs.js | 169 | ||||
-rw-r--r-- | security/sandbox/test/browser_content_sandbox_syscalls.js | 223 | ||||
-rw-r--r-- | security/sandbox/test/browser_content_sandbox_utils.js | 57 |
4 files changed, 0 insertions, 460 deletions
diff --git a/security/sandbox/test/browser.ini b/security/sandbox/test/browser.ini deleted file mode 100644 index 7e3e96ea4..000000000 --- a/security/sandbox/test/browser.ini +++ /dev/null @@ -1,11 +0,0 @@ -# Any copyright is dedicated to the Public Domain. -# http://creativecommons.org/publicdomain/zero/1.0/ -[DEFAULT] -tags = contentsandbox -support-files = - browser_content_sandbox_utils.js - -skip-if = !e10s -[browser_content_sandbox_fs.js] -skip-if = !e10s -[browser_content_sandbox_syscalls.js] diff --git a/security/sandbox/test/browser_content_sandbox_fs.js b/security/sandbox/test/browser_content_sandbox_fs.js deleted file mode 100644 index 946f86bb9..000000000 --- a/security/sandbox/test/browser_content_sandbox_fs.js +++ /dev/null @@ -1,169 +0,0 @@ -/* Any copyright is dedicated to the Public Domain. - * http://creativecommons.org/publicdomain/zero/1.0/ */ - -var prefs = Cc["@mozilla.org/preferences-service;1"] - .getService(Ci.nsIPrefBranch); - -Services.scriptloader.loadSubScript("chrome://mochitests/content/browser/" + - "security/sandbox/test/browser_content_sandbox_utils.js", this); - -/* - * This test exercises file I/O from the content process using OS.File - * methods to validate that calls that are meant to be blocked by content - * sandboxing are blocked. - */ - -// Creates file at |path| and returns a promise that resolves with true -// if the file was successfully created, otherwise false. Include imports -// so this can be safely serialized and run remotely by ContentTask.spawn. -function createFile(path) { - Components.utils.import("resource://gre/modules/osfile.jsm"); - let encoder = new TextEncoder(); - let array = encoder.encode("WRITING FROM CONTENT PROCESS"); - return OS.File.writeAtomic(path, array).then(function(value) { - return true; - }, function(reason) { - return false; - }); -} - -// Deletes file at |path| and returns a promise that resolves with true -// if the file was successfully deleted, otherwise false. Include imports -// so this can be safely serialized and run remotely by ContentTask.spawn. -function deleteFile(path) { - Components.utils.import("resource://gre/modules/osfile.jsm"); - return OS.File.remove(path, {ignoreAbsent: false}).then(function(value) { - return true; - }).catch(function(err) { - return false; - }); -} - -// Returns true if the current content sandbox level, passed in -// the |level| argument, supports filesystem sandboxing. -function isContentFileIOSandboxed(level) { - let fileIOSandboxMinLevel = 0; - - // Set fileIOSandboxMinLevel to the lowest level that has - // content filesystem sandboxing enabled. For now, this - // varies across Windows, Mac, Linux, other. - switch (Services.appinfo.OS) { - case "WINNT": - fileIOSandboxMinLevel = 1; - break; - case "Darwin": - fileIOSandboxMinLevel = 1; - break; - case "Linux": - fileIOSandboxMinLevel = 2; - break; - default: - Assert.ok(false, "Unknown OS"); - } - - return (level >= fileIOSandboxMinLevel); -} - -// -// Drive tests for a single content process. -// -// Tests attempting to write to a file in the home directory from the -// content process--expected to fail. -// -// Tests attempting to write to a file in the content temp directory -// from the content process--expected to succeed. On Mac and Windows, -// use "ContentTmpD", but on Linux use "TmpD" until Linux uses the -// content temp dir key. -// -add_task(function*() { - // This test is only relevant in e10s - if (!gMultiProcessBrowser) { - ok(false, "e10s is enabled"); - info("e10s is not enabled, exiting"); - return; - } - - let level = 0; - let prefExists = true; - - // Read the security.sandbox.content.level pref. - // If the pref isn't set and we're running on Linux on !isNightly(), - // exit without failing. The Linux content sandbox is only enabled - // on Nightly at this time. - try { - level = prefs.getIntPref("security.sandbox.content.level"); - } catch (e) { - prefExists = false; - } - - // Special case Linux on !isNightly - if (isLinux() && !isNightly()) { - todo(prefExists, "pref security.sandbox.content.level exists"); - if (!prefExists) { - return; - } - } - - ok(prefExists, "pref security.sandbox.content.level exists"); - if (!prefExists) { - return; - } - - // Special case Linux on !isNightly - if (isLinux() && !isNightly()) { - todo(level > 0, "content sandbox enabled for !nightly."); - return; - } - - info(`security.sandbox.content.level=${level}`); - ok(level > 0, "content sandbox is enabled."); - if (level == 0) { - info("content sandbox is not enabled, exiting"); - return; - } - - let isFileIOSandboxed = isContentFileIOSandboxed(level); - - // Special case Linux on !isNightly - if (isLinux() && !isNightly()) { - todo(isFileIOSandboxed, "content file I/O sandbox enabled for !nightly."); - return; - } - - // Content sandbox enabled, but level doesn't include file I/O sandboxing. - ok(isFileIOSandboxed, "content file I/O sandboxing is enabled."); - if (!isFileIOSandboxed) { - info("content sandbox level too low for file I/O tests, exiting\n"); - return; - } - - let browser = gBrowser.selectedBrowser; - - { - // test if the content process can create in $HOME, this should fail - let homeFile = fileInHomeDir(); - let path = homeFile.path; - let fileCreated = yield ContentTask.spawn(browser, path, createFile); - ok(fileCreated == false, "creating a file in home dir is not permitted"); - if (fileCreated == true) { - // content process successfully created the file, now remove it - homeFile.remove(false); - } - } - - { - // test if the content process can create a temp file, should pass - let path = fileInTempDir().path; - let fileCreated = yield ContentTask.spawn(browser, path, createFile); - if (!fileCreated && isWin()) { - // TODO: fix 1329294 and enable this test for Windows. - // Not using todo() because this only fails on automation. - info("ignoring failure to write to content temp due to 1329294\n"); - return; - } - ok(fileCreated == true, "creating a file in content temp is permitted"); - // now delete the file - let fileDeleted = yield ContentTask.spawn(browser, path, deleteFile); - ok(fileDeleted == true, "deleting a file in content temp is permitted"); - } -}); diff --git a/security/sandbox/test/browser_content_sandbox_syscalls.js b/security/sandbox/test/browser_content_sandbox_syscalls.js deleted file mode 100644 index d56456966..000000000 --- a/security/sandbox/test/browser_content_sandbox_syscalls.js +++ /dev/null @@ -1,223 +0,0 @@ -/* Any copyright is dedicated to the Public Domain. - * http://creativecommons.org/publicdomain/zero/1.0/ */ - -var prefs = Cc["@mozilla.org/preferences-service;1"] - .getService(Ci.nsIPrefBranch); - -Services.scriptloader.loadSubScript("chrome://mochitests/content/browser/" + - "security/sandbox/test/browser_content_sandbox_utils.js", this); - -/* - * This test is for executing system calls in content processes to validate - * that calls that are meant to be blocked by content sandboxing are blocked. - * We use the term system calls loosely so that any OS API call such as - * fopen could be included. - */ - -// Calls the native execv library function. Include imports so this can be -// safely serialized and run remotely by ContentTask.spawn. -function callExec(args) { - Components.utils.import("resource://gre/modules/ctypes.jsm"); - let {lib, cmd} = args; - let libc = ctypes.open(lib); - let exec = libc.declare("execv", ctypes.default_abi, - ctypes.int, ctypes.char.ptr); - let rv = exec(cmd); - libc.close(); - return (rv); -} - -// Calls the native fork syscall. -function callFork(args) { - Components.utils.import("resource://gre/modules/ctypes.jsm"); - let {lib} = args; - let libc = ctypes.open(lib); - let fork = libc.declare("fork", ctypes.default_abi, ctypes.int); - let rv = fork(); - libc.close(); - return (rv); -} - -// Calls the native open/close syscalls. -function callOpen(args) { - Components.utils.import("resource://gre/modules/ctypes.jsm"); - let {lib, path, flags} = args; - let libc = ctypes.open(lib); - let open = libc.declare("open", ctypes.default_abi, - ctypes.int, ctypes.char.ptr, ctypes.int); - let close = libc.declare("close", ctypes.default_abi, - ctypes.int, ctypes.int); - let fd = open(path, flags); - close(fd); - libc.close(); - return (fd); -} - -// open syscall flags -function openWriteCreateFlags() { - Assert.ok(isMac() || isLinux()); - if (isMac()) { - let O_WRONLY = 0x001; - let O_CREAT = 0x200; - return (O_WRONLY | O_CREAT); - } else { - // Linux - let O_WRONLY = 0x01; - let O_CREAT = 0x40; - return (O_WRONLY | O_CREAT); - } -} - -// Returns the name of the native library needed for native syscalls -function getOSLib() { - switch (Services.appinfo.OS) { - case "WINNT": - return "kernel32.dll"; - case "Darwin": - return "libc.dylib"; - case "Linux": - return "libc.so.6"; - default: - Assert.ok(false, "Unknown OS"); - } -} - -// Returns a harmless command to execute with execv -function getOSExecCmd() { - Assert.ok(!isWin()); - return ("/bin/cat"); -} - -// Returns true if the current content sandbox level, passed in -// the |level| argument, supports syscall sandboxing. -function areContentSyscallsSandboxed(level) { - let syscallsSandboxMinLevel = 0; - - // Set syscallsSandboxMinLevel to the lowest level that has - // syscall sandboxing enabled. For now, this varies across - // Windows, Mac, Linux, other. - switch (Services.appinfo.OS) { - case "WINNT": - syscallsSandboxMinLevel = 1; - break; - case "Darwin": - syscallsSandboxMinLevel = 1; - break; - case "Linux": - syscallsSandboxMinLevel = 2; - break; - default: - Assert.ok(false, "Unknown OS"); - } - - return (level >= syscallsSandboxMinLevel); -} - -// -// Drive tests for a single content process. -// -// Tests executing OS API calls in the content process. Limited to Mac -// and Linux calls for now. -// -add_task(function*() { - // This test is only relevant in e10s - if (!gMultiProcessBrowser) { - ok(false, "e10s is enabled"); - info("e10s is not enabled, exiting"); - return; - } - - let level = 0; - let prefExists = true; - - // Read the security.sandbox.content.level pref. - // If the pref isn't set and we're running on Linux on !isNightly(), - // exit without failing. The Linux content sandbox is only enabled - // on Nightly at this time. - try { - level = prefs.getIntPref("security.sandbox.content.level"); - } catch (e) { - prefExists = false; - } - - // Special case Linux on !isNightly - if (isLinux() && !isNightly()) { - todo(prefExists, "pref security.sandbox.content.level exists"); - if (!prefExists) { - return; - } - } - - ok(prefExists, "pref security.sandbox.content.level exists"); - if (!prefExists) { - return; - } - - // Special case Linux on !isNightly - if (isLinux() && !isNightly()) { - todo(level > 0, "content sandbox enabled for !nightly."); - return; - } - - info(`security.sandbox.content.level=${level}`); - ok(level > 0, "content sandbox is enabled."); - if (level == 0) { - info("content sandbox is not enabled, exiting"); - return; - } - - let areSyscallsSandboxed = areContentSyscallsSandboxed(level); - - // Special case Linux on !isNightly - if (isLinux() && !isNightly()) { - todo(areSyscallsSandboxed, "content syscall sandbox enabled for !nightly."); - return; - } - - // Content sandbox enabled, but level doesn't include syscall sandboxing. - ok(areSyscallsSandboxed, "content syscall sandboxing is enabled."); - if (!areSyscallsSandboxed) { - info("content sandbox level too low for syscall tests, exiting\n"); - return; - } - - let browser = gBrowser.selectedBrowser; - let lib = getOSLib(); - - // use execv syscall - // (causes content process to be killed on Linux) - if (isMac()) { - // exec something harmless, this should fail - let cmd = getOSExecCmd(); - let rv = yield ContentTask.spawn(browser, {lib, cmd}, callExec); - ok(rv == -1, `exec(${cmd}) is not permitted`); - } - - // use open syscall - if (isLinux() || isMac()) - { - // open a file for writing in $HOME, this should fail - let path = fileInHomeDir().path; - let flags = openWriteCreateFlags(); - let fd = yield ContentTask.spawn(browser, {lib, path, flags}, callOpen); - ok(fd < 0, "opening a file for writing in home is not permitted"); - } - - // use open syscall - if (isLinux() || isMac()) - { - // open a file for writing in the content temp dir, this should work - // and the open handler in the content process closes the file for us - let path = fileInTempDir().path; - let flags = openWriteCreateFlags(); - let fd = yield ContentTask.spawn(browser, {lib, path, flags}, callOpen); - ok(fd >= 0, "opening a file for writing in content temp is permitted"); - } - - // use fork syscall - if (isLinux() || isMac()) - { - let rv = yield ContentTask.spawn(browser, {lib}, callFork); - ok(rv == -1, "calling fork is not permitted"); - } -}); diff --git a/security/sandbox/test/browser_content_sandbox_utils.js b/security/sandbox/test/browser_content_sandbox_utils.js deleted file mode 100644 index 0e9d01352..000000000 --- a/security/sandbox/test/browser_content_sandbox_utils.js +++ /dev/null @@ -1,57 +0,0 @@ -/* Any copyright is dedicated to the Public Domain. - * http://creativecommons.org/publicdomain/zero/1.0/ */ - -const uuidGenerator = Cc["@mozilla.org/uuid-generator;1"] - .getService(Ci.nsIUUIDGenerator); - -/* - * Utility functions for the browser content sandbox tests. - */ - -function isMac() { return Services.appinfo.OS == "Darwin" } -function isWin() { return Services.appinfo.OS == "WINNT" } -function isLinux() { return Services.appinfo.OS == "Linux" } - -function isNightly() { - let version = SpecialPowers.Cc["@mozilla.org/xre/app-info;1"]. - getService(SpecialPowers.Ci.nsIXULAppInfo).version; - return (version.endsWith("a1")); -} - -function uuid() { - return uuidGenerator.generateUUID().toString(); -} - -// Returns a file object for a new file in the home dir ($HOME/<UUID>). -function fileInHomeDir() { - // get home directory, make sure it exists - let homeDir = Services.dirsvc.get("Home", Ci.nsILocalFile); - Assert.ok(homeDir.exists(), "Home dir exists"); - Assert.ok(homeDir.isDirectory(), "Home dir is a directory"); - - // build a file object for a new file named $HOME/<UUID> - let homeFile = homeDir.clone(); - homeFile.appendRelativePath(uuid()); - Assert.ok(!homeFile.exists(), homeFile.path + " does not exist"); - return (homeFile); -} - -// Returns a file object for a new file in the content temp dir (.../<UUID>). -function fileInTempDir() { - let contentTempKey = "ContentTmpD"; - if (Services.appinfo.OS == "Linux") { - // Linux builds don't use the content-specific temp key - contentTempKey = "TmpD"; - } - - // get the content temp dir, make sure it exists - let ctmp = Services.dirsvc.get(contentTempKey, Ci.nsILocalFile); - Assert.ok(ctmp.exists(), "Content temp dir exists"); - Assert.ok(ctmp.isDirectory(), "Content temp dir is a directory"); - - // build a file object for a new file in content temp - let tempFile = ctmp.clone(); - tempFile.appendRelativePath(uuid()); - Assert.ok(!tempFile.exists(), tempFile.path + " does not exist"); - return (tempFile); -} |