| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/files/file_path.h" |
| #include "base/platform_file.h" |
| #include "content/browser/child_process_security_policy_impl.h" |
| #include "content/public/common/url_constants.h" |
| #include "content/test/test_content_browser_client.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "url/gurl.h" |
| #include "webkit/browser/fileapi/file_permission_policy.h" |
| #include "webkit/browser/fileapi/file_system_url.h" |
| #include "webkit/browser/fileapi/isolated_context.h" |
| #include "webkit/common/fileapi/file_system_types.h" |
| |
| namespace content { |
| namespace { |
| |
| const int kRendererID = 42; |
| const int kWorkerRendererID = kRendererID + 1; |
| |
| #if defined(FILE_PATH_USES_DRIVE_LETTERS) |
| #define TEST_PATH(x) FILE_PATH_LITERAL("c:") FILE_PATH_LITERAL(x) |
| #else |
| #define TEST_PATH(x) FILE_PATH_LITERAL(x) |
| #endif |
| |
| class ChildProcessSecurityPolicyTestBrowserClient |
| : public TestContentBrowserClient { |
| public: |
| ChildProcessSecurityPolicyTestBrowserClient() {} |
| |
| virtual bool IsHandledURL(const GURL& url) OVERRIDE { |
| return schemes_.find(url.scheme()) != schemes_.end(); |
| } |
| |
| void ClearSchemes() { |
| schemes_.clear(); |
| } |
| |
| void AddScheme(const std::string& scheme) { |
| schemes_.insert(scheme); |
| } |
| |
| private: |
| std::set<std::string> schemes_; |
| }; |
| |
| } // namespace |
| |
| class ChildProcessSecurityPolicyTest : public testing::Test { |
| public: |
| ChildProcessSecurityPolicyTest() : old_browser_client_(NULL) { |
| } |
| |
| virtual void SetUp() { |
| old_browser_client_ = SetBrowserClientForTesting(&test_browser_client_); |
| |
| // Claim to always handle chrome:// URLs because the CPSP's notion of |
| // allowing WebUI bindings is hard-wired to this particular scheme. |
| test_browser_client_.AddScheme(chrome::kChromeUIScheme); |
| |
| // Claim to always handle file:// URLs like the browser would. |
| // net::URLRequest::IsHandledURL() no longer claims support for default |
| // protocols as this is the responsibility of the browser (which is |
| // responsible for adding the appropriate ProtocolHandler). |
| test_browser_client_.AddScheme(chrome::kFileScheme); |
| } |
| |
| virtual void TearDown() { |
| test_browser_client_.ClearSchemes(); |
| SetBrowserClientForTesting(old_browser_client_); |
| } |
| |
| protected: |
| void RegisterTestScheme(const std::string& scheme) { |
| test_browser_client_.AddScheme(scheme); |
| } |
| |
| void GrantPermissionsForFile(ChildProcessSecurityPolicyImpl* p, |
| int child_id, |
| const base::FilePath& file, |
| int permissions) { |
| p->GrantPermissionsForFile(child_id, file, permissions); |
| } |
| |
| void CheckHasNoFileSystemPermission(ChildProcessSecurityPolicyImpl* p, |
| const std::string& child_id) { |
| EXPECT_FALSE(p->CanReadFileSystem(kRendererID, child_id)); |
| EXPECT_FALSE(p->CanReadWriteFileSystem(kRendererID, child_id)); |
| EXPECT_FALSE(p->CanCopyIntoFileSystem(kRendererID, child_id)); |
| EXPECT_FALSE(p->CanDeleteFromFileSystem(kRendererID, child_id)); |
| } |
| |
| void CheckHasNoFileSystemFilePermission(ChildProcessSecurityPolicyImpl* p, |
| const base::FilePath& file, |
| const fileapi::FileSystemURL& url) { |
| EXPECT_FALSE(p->CanReadFile(kRendererID, file)); |
| EXPECT_FALSE(p->CanCreateReadWriteFile(kRendererID, file)); |
| EXPECT_FALSE(p->CanReadFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanWriteFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanCreateFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanCreateReadWriteFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanCopyIntoFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanDeleteFileSystemFile(kRendererID, url)); |
| } |
| |
| private: |
| ChildProcessSecurityPolicyTestBrowserClient test_browser_client_; |
| ContentBrowserClient* old_browser_client_; |
| }; |
| |
| |
| TEST_F(ChildProcessSecurityPolicyTest, IsWebSafeSchemeTest) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| EXPECT_TRUE(p->IsWebSafeScheme(kHttpScheme)); |
| EXPECT_TRUE(p->IsWebSafeScheme(kHttpsScheme)); |
| EXPECT_TRUE(p->IsWebSafeScheme(chrome::kFtpScheme)); |
| EXPECT_TRUE(p->IsWebSafeScheme(chrome::kDataScheme)); |
| EXPECT_TRUE(p->IsWebSafeScheme("feed")); |
| EXPECT_TRUE(p->IsWebSafeScheme(chrome::kBlobScheme)); |
| EXPECT_TRUE(p->IsWebSafeScheme(chrome::kFileSystemScheme)); |
| |
| EXPECT_FALSE(p->IsWebSafeScheme("registered-web-safe-scheme")); |
| p->RegisterWebSafeScheme("registered-web-safe-scheme"); |
| EXPECT_TRUE(p->IsWebSafeScheme("registered-web-safe-scheme")); |
| |
| EXPECT_FALSE(p->IsWebSafeScheme(chrome::kChromeUIScheme)); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, IsPseudoSchemeTest) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| EXPECT_TRUE(p->IsPseudoScheme(chrome::kAboutScheme)); |
| EXPECT_TRUE(p->IsPseudoScheme(kJavaScriptScheme)); |
| EXPECT_TRUE(p->IsPseudoScheme(kViewSourceScheme)); |
| |
| EXPECT_FALSE(p->IsPseudoScheme("registered-pseudo-scheme")); |
| p->RegisterPseudoScheme("registered-pseudo-scheme"); |
| EXPECT_TRUE(p->IsPseudoScheme("registered-pseudo-scheme")); |
| |
| EXPECT_FALSE(p->IsPseudoScheme(chrome::kChromeUIScheme)); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, StandardSchemesTest) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| p->Add(kRendererID); |
| |
| // Safe |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("http://www.google.com/"))); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("https://www.paypal.com/"))); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("ftp://ftp.gnu.org/"))); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("data:text/html,<b>Hi</b>"))); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, |
| GURL("view-source:http://www.google.com/"))); |
| EXPECT_TRUE(p->CanRequestURL( |
| kRendererID, GURL("filesystem:http://localhost/temporary/a.gif"))); |
| |
| // Dangerous |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, |
| GURL("file:///etc/passwd"))); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, |
| GURL("chrome://foo/bar"))); |
| |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, AboutTest) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| p->Add(kRendererID); |
| |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("about:blank"))); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("about:BlAnK"))); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("aBouT:BlAnK"))); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("aBouT:blank"))); |
| |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("about:memory"))); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("about:crash"))); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("about:cache"))); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("about:hang"))); |
| |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("aBoUt:memory"))); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("about:CrASh"))); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("abOuT:cAChe"))); |
| |
| // Requests for about: pages should be denied. |
| p->GrantRequestURL(kRendererID, GURL("about:crash")); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("about:crash"))); |
| |
| // These requests for chrome:// pages should be granted. |
| GURL chrome_url("chrome://foo"); |
| p->GrantRequestURL(kRendererID, chrome_url); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, chrome_url)); |
| |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, JavaScriptTest) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| p->Add(kRendererID); |
| |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("javascript:alert('xss')"))); |
| p->GrantRequestURL(kRendererID, GURL("javascript:alert('xss')")); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("javascript:alert('xss')"))); |
| |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, RegisterWebSafeSchemeTest) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| p->Add(kRendererID); |
| |
| // Currently, "asdf" is destined for ShellExecute, so it is allowed. |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("asdf:rockers"))); |
| |
| // Once we register "asdf", we default to deny. |
| RegisterTestScheme("asdf"); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("asdf:rockers"))); |
| |
| // We can allow new schemes by adding them to the whitelist. |
| p->RegisterWebSafeScheme("asdf"); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("asdf:rockers"))); |
| |
| // Cleanup. |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, CanServiceCommandsTest) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| p->Add(kRendererID); |
| |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("file:///etc/passwd"))); |
| p->GrantRequestURL(kRendererID, GURL("file:///etc/passwd")); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("file:///etc/passwd"))); |
| |
| // We should forget our state if we repeat a renderer id. |
| p->Remove(kRendererID); |
| p->Add(kRendererID); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("file:///etc/passwd"))); |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, ViewSource) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| p->Add(kRendererID); |
| |
| // View source is determined by the embedded scheme. |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, |
| GURL("view-source:http://www.google.com/"))); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, |
| GURL("view-source:file:///etc/passwd"))); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("file:///etc/passwd"))); |
| EXPECT_FALSE(p->CanRequestURL( |
| kRendererID, GURL("view-source:view-source:http://www.google.com/"))); |
| |
| p->GrantRequestURL(kRendererID, GURL("view-source:file:///etc/passwd")); |
| // View source needs to be able to request the embedded scheme. |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, |
| GURL("view-source:file:///etc/passwd"))); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("file:///etc/passwd"))); |
| |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, SpecificFile) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| p->Add(kRendererID); |
| |
| GURL icon_url("file:///tmp/foo.png"); |
| GURL sensitive_url("file:///etc/passwd"); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, icon_url)); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, sensitive_url)); |
| |
| p->GrantRequestSpecificFileURL(kRendererID, icon_url); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, icon_url)); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, sensitive_url)); |
| |
| p->GrantRequestURL(kRendererID, icon_url); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, icon_url)); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, sensitive_url)); |
| |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, FileSystemGrantsTest) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| p->Add(kRendererID); |
| std::string read_id = fileapi::IsolatedContext::GetInstance()-> |
| RegisterFileSystemForVirtualPath(fileapi::kFileSystemTypeTest, |
| "read_filesystem", |
| base::FilePath()); |
| std::string read_write_id = fileapi::IsolatedContext::GetInstance()-> |
| RegisterFileSystemForVirtualPath(fileapi::kFileSystemTypeTest, |
| "read_write_filesystem", |
| base::FilePath()); |
| std::string copy_into_id = fileapi::IsolatedContext::GetInstance()-> |
| RegisterFileSystemForVirtualPath(fileapi::kFileSystemTypeTest, |
| "copy_into_filesystem", |
| base::FilePath()); |
| std::string delete_from_id = fileapi::IsolatedContext::GetInstance()-> |
| RegisterFileSystemForVirtualPath(fileapi::kFileSystemTypeTest, |
| "delete_from_filesystem", |
| base::FilePath()); |
| |
| // Test initially having no permissions. |
| CheckHasNoFileSystemPermission(p, read_id); |
| CheckHasNoFileSystemPermission(p, read_write_id); |
| CheckHasNoFileSystemPermission(p, copy_into_id); |
| CheckHasNoFileSystemPermission(p, delete_from_id); |
| |
| // Testing varying combinations of grants and checks. |
| p->GrantReadFileSystem(kRendererID, read_id); |
| EXPECT_TRUE(p->CanReadFileSystem(kRendererID, read_id)); |
| EXPECT_FALSE(p->CanReadWriteFileSystem(kRendererID, read_id)); |
| EXPECT_FALSE(p->CanCopyIntoFileSystem(kRendererID, read_id)); |
| EXPECT_FALSE(p->CanDeleteFromFileSystem(kRendererID, read_id)); |
| |
| p->GrantReadFileSystem(kRendererID, read_write_id); |
| p->GrantWriteFileSystem(kRendererID, read_write_id); |
| EXPECT_TRUE(p->CanReadFileSystem(kRendererID, read_write_id)); |
| EXPECT_TRUE(p->CanReadWriteFileSystem(kRendererID, read_write_id)); |
| EXPECT_FALSE(p->CanCopyIntoFileSystem(kRendererID, read_write_id)); |
| EXPECT_FALSE(p->CanDeleteFromFileSystem(kRendererID, read_write_id)); |
| |
| p->GrantCopyIntoFileSystem(kRendererID, copy_into_id); |
| EXPECT_FALSE(p->CanReadFileSystem(kRendererID, copy_into_id)); |
| EXPECT_FALSE(p->CanReadWriteFileSystem(kRendererID, copy_into_id)); |
| EXPECT_TRUE(p->CanCopyIntoFileSystem(kRendererID, copy_into_id)); |
| EXPECT_FALSE(p->CanDeleteFromFileSystem(kRendererID, copy_into_id)); |
| |
| p->GrantDeleteFromFileSystem(kRendererID, delete_from_id); |
| EXPECT_FALSE(p->CanReadFileSystem(kRendererID, delete_from_id)); |
| EXPECT_FALSE(p->CanReadWriteFileSystem(kRendererID, delete_from_id)); |
| EXPECT_FALSE(p->CanCopyIntoFileSystem(kRendererID, delete_from_id)); |
| EXPECT_TRUE(p->CanDeleteFromFileSystem(kRendererID, delete_from_id)); |
| |
| // Test revoke permissions on renderer ID removal. |
| p->Remove(kRendererID); |
| CheckHasNoFileSystemPermission(p, read_id); |
| CheckHasNoFileSystemPermission(p, read_write_id); |
| CheckHasNoFileSystemPermission(p, copy_into_id); |
| CheckHasNoFileSystemPermission(p, delete_from_id); |
| |
| // Test having no permissions upon re-adding same renderer ID. |
| p->Add(kRendererID); |
| CheckHasNoFileSystemPermission(p, read_id); |
| CheckHasNoFileSystemPermission(p, read_write_id); |
| CheckHasNoFileSystemPermission(p, copy_into_id); |
| CheckHasNoFileSystemPermission(p, delete_from_id); |
| |
| // Cleanup. |
| p->Remove(kRendererID); |
| fileapi::IsolatedContext::GetInstance()->RevokeFileSystem(read_id); |
| fileapi::IsolatedContext::GetInstance()->RevokeFileSystem(read_write_id); |
| fileapi::IsolatedContext::GetInstance()->RevokeFileSystem(copy_into_id); |
| fileapi::IsolatedContext::GetInstance()->RevokeFileSystem(delete_from_id); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, FilePermissionGrantingAndRevoking) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| p->RegisterFileSystemPermissionPolicy( |
| fileapi::kFileSystemTypeTest, |
| fileapi::FILE_PERMISSION_USE_FILE_PERMISSION); |
| |
| p->Add(kRendererID); |
| base::FilePath file(TEST_PATH("/dir/testfile")); |
| file = file.NormalizePathSeparators(); |
| fileapi::FileSystemURL url = fileapi::FileSystemURL::CreateForTest( |
| GURL("http://foo/"), fileapi::kFileSystemTypeTest, file); |
| |
| // Test initially having no permissions. |
| CheckHasNoFileSystemFilePermission(p, file, url); |
| |
| // Testing every combination of permissions granting and revoking. |
| p->GrantReadFile(kRendererID, file); |
| EXPECT_TRUE(p->CanReadFile(kRendererID, file)); |
| EXPECT_FALSE(p->CanCreateReadWriteFile(kRendererID, file)); |
| EXPECT_TRUE(p->CanReadFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanWriteFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanCreateFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanCreateReadWriteFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanCopyIntoFileSystemFile(kRendererID, url)); |
| EXPECT_FALSE(p->CanDeleteFileSystemFile(kRendererID, url)); |
| p->RevokeAllPermissionsForFile(kRendererID, file); |
| CheckHasNoFileSystemFilePermission(p, file, url); |
| |
| p->GrantCreateReadWriteFile(kRendererID, file); |
| EXPECT_TRUE(p->CanReadFile(kRendererID, file)); |
| EXPECT_TRUE(p->CanCreateReadWriteFile(kRendererID, file)); |
| EXPECT_TRUE(p->CanReadFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanWriteFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanCreateFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanCreateReadWriteFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanCopyIntoFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanDeleteFileSystemFile(kRendererID, url)); |
| p->RevokeAllPermissionsForFile(kRendererID, file); |
| CheckHasNoFileSystemFilePermission(p, file, url); |
| |
| // Test revoke permissions on renderer ID removal. |
| p->GrantCreateReadWriteFile(kRendererID, file); |
| EXPECT_TRUE(p->CanReadFile(kRendererID, file)); |
| EXPECT_TRUE(p->CanCreateReadWriteFile(kRendererID, file)); |
| EXPECT_TRUE(p->CanReadFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanWriteFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanCreateFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanCreateReadWriteFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanCopyIntoFileSystemFile(kRendererID, url)); |
| EXPECT_TRUE(p->CanDeleteFileSystemFile(kRendererID, url)); |
| p->Remove(kRendererID); |
| CheckHasNoFileSystemFilePermission(p, file, url); |
| |
| // Test having no permissions upon re-adding same renderer ID. |
| p->Add(kRendererID); |
| CheckHasNoFileSystemFilePermission(p, file, url); |
| |
| // Cleanup. |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, FilePermissions) { |
| base::FilePath granted_file = base::FilePath(TEST_PATH("/home/joe")); |
| base::FilePath sibling_file = base::FilePath(TEST_PATH("/home/bob")); |
| base::FilePath child_file = base::FilePath(TEST_PATH("/home/joe/file")); |
| base::FilePath parent_file = base::FilePath(TEST_PATH("/home")); |
| base::FilePath parent_slash_file = base::FilePath(TEST_PATH("/home/")); |
| base::FilePath child_traversal1 = |
| base::FilePath(TEST_PATH("/home/joe/././file")); |
| base::FilePath child_traversal2 = base::FilePath( |
| TEST_PATH("/home/joe/file/../otherfile")); |
| base::FilePath evil_traversal1 = |
| base::FilePath(TEST_PATH("/home/joe/../../etc/passwd")); |
| base::FilePath evil_traversal2 = base::FilePath( |
| TEST_PATH("/home/joe/./.././../etc/passwd")); |
| base::FilePath self_traversal = |
| base::FilePath(TEST_PATH("/home/joe/../joe/file")); |
| base::FilePath relative_file = base::FilePath(FILE_PATH_LITERAL("home/joe")); |
| |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| // Grant permissions for a file. |
| p->Add(kRendererID); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN)); |
| |
| GrantPermissionsForFile(p, kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_OPEN_TRUNCATED | |
| base::PLATFORM_FILE_READ | |
| base::PLATFORM_FILE_WRITE); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_OPEN_TRUNCATED | |
| base::PLATFORM_FILE_READ | |
| base::PLATFORM_FILE_WRITE)); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_CREATE)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, 0)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_CREATE | |
| base::PLATFORM_FILE_OPEN_TRUNCATED | |
| base::PLATFORM_FILE_READ | |
| base::PLATFORM_FILE_WRITE)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, sibling_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, parent_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, child_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, child_traversal1, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, child_traversal2, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, evil_traversal1, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, evil_traversal2, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| // CPSP doesn't allow this case for the sake of simplicity. |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, self_traversal, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| p->Remove(kRendererID); |
| |
| // Grant permissions for the directory the file is in. |
| p->Add(kRendererID); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN)); |
| GrantPermissionsForFile(p, kRendererID, parent_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_READ | |
| base::PLATFORM_FILE_WRITE)); |
| p->Remove(kRendererID); |
| |
| // Grant permissions for the directory the file is in (with trailing '/'). |
| p->Add(kRendererID); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN)); |
| GrantPermissionsForFile(p, kRendererID, parent_slash_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_READ | |
| base::PLATFORM_FILE_WRITE)); |
| |
| // Grant permissions for the file (should overwrite the permissions granted |
| // for the directory). |
| GrantPermissionsForFile(p, kRendererID, granted_file, |
| base::PLATFORM_FILE_TEMPORARY); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN)); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_TEMPORARY)); |
| |
| // Revoke all permissions for the file (it should inherit its permissions |
| // from the directory again). |
| p->RevokeAllPermissionsForFile(kRendererID, granted_file); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_TEMPORARY)); |
| p->Remove(kRendererID); |
| |
| // Grant file permissions for the file to main thread renderer process, |
| // make sure its worker thread renderer process inherits those. |
| p->Add(kRendererID); |
| GrantPermissionsForFile(p, kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ); |
| EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, |
| base::PLATFORM_FILE_WRITE)); |
| p->AddWorker(kWorkerRendererID, kRendererID); |
| EXPECT_TRUE(p->HasPermissionsForFile(kWorkerRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| EXPECT_FALSE(p->HasPermissionsForFile(kWorkerRendererID, granted_file, |
| base::PLATFORM_FILE_WRITE)); |
| p->Remove(kRendererID); |
| EXPECT_FALSE(p->HasPermissionsForFile(kWorkerRendererID, granted_file, |
| base::PLATFORM_FILE_OPEN | |
| base::PLATFORM_FILE_READ)); |
| p->Remove(kWorkerRendererID); |
| |
| p->Add(kRendererID); |
| GrantPermissionsForFile(p, kRendererID, relative_file, |
| base::PLATFORM_FILE_OPEN); |
| EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, relative_file, |
| base::PLATFORM_FILE_OPEN)); |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, CanServiceWebUIBindings) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| GURL url("chrome://thumb/http://www.google.com/"); |
| |
| p->Add(kRendererID); |
| |
| EXPECT_FALSE(p->HasWebUIBindings(kRendererID)); |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, url)); |
| p->GrantWebUIBindings(kRendererID); |
| EXPECT_TRUE(p->HasWebUIBindings(kRendererID)); |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, url)); |
| |
| p->Remove(kRendererID); |
| } |
| |
| TEST_F(ChildProcessSecurityPolicyTest, RemoveRace) { |
| ChildProcessSecurityPolicyImpl* p = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| GURL url("file:///etc/passwd"); |
| base::FilePath file(TEST_PATH("/etc/passwd")); |
| |
| p->Add(kRendererID); |
| |
| p->GrantRequestURL(kRendererID, url); |
| p->GrantReadFile(kRendererID, file); |
| p->GrantWebUIBindings(kRendererID); |
| |
| EXPECT_TRUE(p->CanRequestURL(kRendererID, url)); |
| EXPECT_TRUE(p->CanReadFile(kRendererID, file)); |
| EXPECT_TRUE(p->HasWebUIBindings(kRendererID)); |
| |
| p->Remove(kRendererID); |
| |
| // Renderers are added and removed on the UI thread, but the policy can be |
| // queried on the IO thread. The ChildProcessSecurityPolicy needs to be |
| // prepared to answer policy questions about renderers who no longer exist. |
| |
| // In this case, we default to secure behavior. |
| EXPECT_FALSE(p->CanRequestURL(kRendererID, url)); |
| EXPECT_FALSE(p->CanReadFile(kRendererID, file)); |
| EXPECT_FALSE(p->HasWebUIBindings(kRendererID)); |
| } |
| |
| } // namespace content |
