blob: 455da447dd306ef0e36f1fb473535f8f3b856f77 [file] [log] [blame]
// 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/files/file_path.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 "storage/browser/fileapi/file_permission_policy.h"
#include "storage/browser/fileapi/file_system_url.h"
#include "storage/browser/fileapi/isolated_context.h"
#include "storage/common/fileapi/file_system_types.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#include "url/origin.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() {}
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) {
}
void SetUp() override {
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(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(url::kFileScheme);
}
void TearDown() override {
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 storage::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(url::kHttpScheme));
EXPECT_TRUE(p->IsWebSafeScheme(url::kHttpsScheme));
EXPECT_TRUE(p->IsWebSafeScheme(url::kFtpScheme));
EXPECT_TRUE(p->IsWebSafeScheme(url::kDataScheme));
EXPECT_TRUE(p->IsWebSafeScheme("feed"));
EXPECT_TRUE(p->IsWebSafeScheme(url::kBlobScheme));
EXPECT_TRUE(p->IsWebSafeScheme(url::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(kChromeUIScheme));
}
TEST_F(ChildProcessSecurityPolicyTest, IsPseudoSchemeTest) {
ChildProcessSecurityPolicyImpl* p =
ChildProcessSecurityPolicyImpl::GetInstance();
EXPECT_TRUE(p->IsPseudoScheme(url::kAboutScheme));
EXPECT_TRUE(p->IsPseudoScheme(url::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(kChromeUIScheme));
}
TEST_F(ChildProcessSecurityPolicyTest, StandardSchemesTest) {
ChildProcessSecurityPolicyImpl* p =
ChildProcessSecurityPolicyImpl::GetInstance();
p->Add(kRendererID);
// Safe to request or commit.
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("filesystem:http://localhost/temporary/a.gif")));
EXPECT_TRUE(p->CanCommitURL(kRendererID, GURL("http://www.google.com/")));
EXPECT_TRUE(p->CanCommitURL(kRendererID, GURL("https://www.paypal.com/")));
EXPECT_TRUE(p->CanCommitURL(kRendererID, GURL("ftp://ftp.gnu.org/")));
EXPECT_TRUE(p->CanCommitURL(kRendererID, GURL("data:text/html,<b>Hi</b>")));
EXPECT_TRUE(p->CanCommitURL(
kRendererID, GURL("filesystem:http://localhost/temporary/a.gif")));
// Safe to request but not commit.
EXPECT_TRUE(p->CanRequestURL(kRendererID,
GURL("view-source:http://www.google.com/")));
EXPECT_FALSE(p->CanCommitURL(kRendererID,
GURL("view-source:http://www.google.com/")));
// Dangerous to request or commit.
EXPECT_FALSE(p->CanRequestURL(kRendererID,
GURL("file:///etc/passwd")));
EXPECT_FALSE(p->CanRequestURL(kRendererID,
GURL("chrome://foo/bar")));
EXPECT_FALSE(p->CanCommitURL(kRendererID,
GURL("file:///etc/passwd")));
EXPECT_FALSE(p->CanCommitURL(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_TRUE(p->CanCommitURL(kRendererID, GURL("about:blank")));
EXPECT_TRUE(p->CanCommitURL(kRendererID, GURL("about:BlAnK")));
EXPECT_TRUE(p->CanCommitURL(kRendererID, GURL("aBouT:BlAnK")));
EXPECT_TRUE(p->CanCommitURL(kRendererID, GURL("aBouT:blank")));
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:version")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("about:crash")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("about:cache")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("about:hang")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("about:version")));
EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("aBoUt:version")));
EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("about:CrASh")));
EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("abOuT:cAChe")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("aBoUt:version")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("about:CrASh")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("abOuT:cAChe")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("aBoUt:version")));
// Requests for about: pages should be denied.
p->GrantRequestURL(kRendererID, GURL("about:crash"));
EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("about:crash")));
EXPECT_FALSE(p->CanCommitURL(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));
EXPECT_TRUE(p->CanCommitURL(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')")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("javascript:alert('xss')")));
p->GrantRequestURL(kRendererID, GURL("javascript:alert('xss')"));
EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("javascript:alert('xss')")));
EXPECT_FALSE(p->CanCommitURL(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 to be
// requested but not committed.
EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("asdf:rockers")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("asdf:rockers")));
// Once we register "asdf", we default to deny.
RegisterTestScheme("asdf");
EXPECT_FALSE(p->CanRequestURL(kRendererID, GURL("asdf:rockers")));
EXPECT_FALSE(p->CanCommitURL(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")));
EXPECT_TRUE(p->CanCommitURL(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")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("file:///etc/passwd")));
p->GrantRequestURL(kRendererID, GURL("file:///etc/passwd"));
EXPECT_TRUE(p->CanRequestURL(kRendererID, GURL("file:///etc/passwd")));
EXPECT_TRUE(p->CanCommitURL(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")));
EXPECT_FALSE(p->CanCommitURL(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/")));
// View source URLs don't actually commit; the renderer is put into view
// source mode, and the inner URL commits.
EXPECT_FALSE(p->CanCommitURL(kRendererID,
GURL("view-source:http://www.google.com/")));
EXPECT_FALSE(p->CanCommitURL(kRendererID,
GURL("view-source:file:///etc/passwd")));
EXPECT_FALSE(p->CanCommitURL(kRendererID, GURL("file:///etc/passwd")));
EXPECT_FALSE(p->CanCommitURL(
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("file:///etc/passwd")));
EXPECT_TRUE(p->CanCommitURL(kRendererID, GURL("file:///etc/passwd")));
EXPECT_TRUE(p->CanRequestURL(kRendererID,
GURL("view-source:file:///etc/passwd")));
EXPECT_FALSE(p->CanCommitURL(kRendererID,
GURL("view-source: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));
EXPECT_FALSE(p->CanCommitURL(kRendererID, icon_url));
EXPECT_FALSE(p->CanCommitURL(kRendererID, sensitive_url));
p->GrantRequestSpecificFileURL(kRendererID, icon_url);
EXPECT_TRUE(p->CanRequestURL(kRendererID, icon_url));
EXPECT_FALSE(p->CanRequestURL(kRendererID, sensitive_url));
EXPECT_TRUE(p->CanCommitURL(kRendererID, icon_url));
EXPECT_FALSE(p->CanCommitURL(kRendererID, sensitive_url));
p->GrantRequestURL(kRendererID, icon_url);
EXPECT_TRUE(p->CanRequestURL(kRendererID, icon_url));
EXPECT_TRUE(p->CanRequestURL(kRendererID, sensitive_url));
EXPECT_TRUE(p->CanCommitURL(kRendererID, icon_url));
EXPECT_TRUE(p->CanCommitURL(kRendererID, sensitive_url));
p->Remove(kRendererID);
}
TEST_F(ChildProcessSecurityPolicyTest, FileSystemGrantsTest) {
ChildProcessSecurityPolicyImpl* p =
ChildProcessSecurityPolicyImpl::GetInstance();
p->Add(kRendererID);
std::string read_id =
storage::IsolatedContext::GetInstance()->RegisterFileSystemForVirtualPath(
storage::kFileSystemTypeTest, "read_filesystem", base::FilePath());
std::string read_write_id =
storage::IsolatedContext::GetInstance()->RegisterFileSystemForVirtualPath(
storage::kFileSystemTypeTest,
"read_write_filesystem",
base::FilePath());
std::string copy_into_id =
storage::IsolatedContext::GetInstance()->RegisterFileSystemForVirtualPath(
storage::kFileSystemTypeTest,
"copy_into_filesystem",
base::FilePath());
std::string delete_from_id =
storage::IsolatedContext::GetInstance()->RegisterFileSystemForVirtualPath(
storage::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);
storage::IsolatedContext::GetInstance()->RevokeFileSystem(read_id);
storage::IsolatedContext::GetInstance()->RevokeFileSystem(read_write_id);
storage::IsolatedContext::GetInstance()->RevokeFileSystem(copy_into_id);
storage::IsolatedContext::GetInstance()->RevokeFileSystem(delete_from_id);
}
TEST_F(ChildProcessSecurityPolicyTest, FilePermissionGrantingAndRevoking) {
ChildProcessSecurityPolicyImpl* p =
ChildProcessSecurityPolicyImpl::GetInstance();
p->RegisterFileSystemPermissionPolicy(
storage::kFileSystemTypeTest,
storage::FILE_PERMISSION_USE_FILE_PERMISSION);
p->Add(kRendererID);
base::FilePath file(TEST_PATH("/dir/testfile"));
file = file.NormalizePathSeparators();
storage::FileSystemURL url = storage::FileSystemURL::CreateForTest(
GURL("http://foo/"), storage::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::File::FLAG_OPEN));
GrantPermissionsForFile(p, kRendererID, granted_file,
base::File::FLAG_OPEN |
base::File::FLAG_OPEN_TRUNCATED |
base::File::FLAG_READ |
base::File::FLAG_WRITE);
EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_OPEN |
base::File::FLAG_OPEN_TRUNCATED |
base::File::FLAG_READ |
base::File::FLAG_WRITE));
EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_CREATE));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file, 0));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_CREATE |
base::File::FLAG_OPEN_TRUNCATED |
base::File::FLAG_READ |
base::File::FLAG_WRITE));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, sibling_file,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, parent_file,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, child_file,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, child_traversal1,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, child_traversal2,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, evil_traversal1,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, evil_traversal2,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
// CPSP doesn't allow this case for the sake of simplicity.
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, self_traversal,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
p->Remove(kRendererID);
// Grant permissions for the directory the file is in.
p->Add(kRendererID);
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_OPEN));
GrantPermissionsForFile(p, kRendererID, parent_file,
base::File::FLAG_OPEN |
base::File::FLAG_READ);
EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_OPEN));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_READ |
base::File::FLAG_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::File::FLAG_OPEN));
GrantPermissionsForFile(p, kRendererID, parent_slash_file,
base::File::FLAG_OPEN |
base::File::FLAG_READ);
EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_OPEN));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_READ |
base::File::FLAG_WRITE));
// Grant permissions for the file (should overwrite the permissions granted
// for the directory).
GrantPermissionsForFile(p, kRendererID, granted_file,
base::File::FLAG_TEMPORARY);
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_OPEN));
EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_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::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_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::File::FLAG_OPEN |
base::File::FLAG_READ);
EXPECT_TRUE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, granted_file,
base::File::FLAG_WRITE));
p->AddWorker(kWorkerRendererID, kRendererID);
EXPECT_TRUE(p->HasPermissionsForFile(kWorkerRendererID, granted_file,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
EXPECT_FALSE(p->HasPermissionsForFile(kWorkerRendererID, granted_file,
base::File::FLAG_WRITE));
p->Remove(kRendererID);
EXPECT_FALSE(p->HasPermissionsForFile(kWorkerRendererID, granted_file,
base::File::FLAG_OPEN |
base::File::FLAG_READ));
p->Remove(kWorkerRendererID);
p->Add(kRendererID);
GrantPermissionsForFile(p, kRendererID, relative_file,
base::File::FLAG_OPEN);
EXPECT_FALSE(p->HasPermissionsForFile(kRendererID, relative_file,
base::File::FLAG_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));
}
// Test the granting of origin permissions, and their interactions with
// granting scheme permissions.
TEST_F(ChildProcessSecurityPolicyTest, OriginGranting) {
ChildProcessSecurityPolicyImpl* p =
ChildProcessSecurityPolicyImpl::GetInstance();
p->Add(kRendererID);
GURL url_foo1("chrome://foo/resource1");
GURL url_foo2("chrome://foo/resource2");
GURL url_bar("chrome://bar/resource3");
EXPECT_FALSE(p->CanRequestURL(kRendererID, url_foo1));
EXPECT_FALSE(p->CanRequestURL(kRendererID, url_foo2));
EXPECT_FALSE(p->CanRequestURL(kRendererID, url_bar));
EXPECT_FALSE(p->CanCommitURL(kRendererID, url_foo1));
EXPECT_FALSE(p->CanCommitURL(kRendererID, url_foo2));
EXPECT_FALSE(p->CanCommitURL(kRendererID, url_bar));
p->GrantOrigin(kRendererID, url::Origin(url_foo1));
EXPECT_TRUE(p->CanRequestURL(kRendererID, url_foo1));
EXPECT_TRUE(p->CanRequestURL(kRendererID, url_foo2));
EXPECT_FALSE(p->CanRequestURL(kRendererID, url_bar));
EXPECT_TRUE(p->CanCommitURL(kRendererID, url_foo1));
EXPECT_TRUE(p->CanCommitURL(kRendererID, url_foo2));
EXPECT_FALSE(p->CanCommitURL(kRendererID, url_bar));
p->GrantScheme(kRendererID, kChromeUIScheme);
EXPECT_TRUE(p->CanRequestURL(kRendererID, url_foo1));
EXPECT_TRUE(p->CanRequestURL(kRendererID, url_foo2));
EXPECT_TRUE(p->CanRequestURL(kRendererID, url_bar));
EXPECT_TRUE(p->CanCommitURL(kRendererID, url_foo1));
EXPECT_TRUE(p->CanCommitURL(kRendererID, url_foo2));
EXPECT_TRUE(p->CanCommitURL(kRendererID, url_bar));
p->Remove(kRendererID);
}
} // namespace content