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// Copyright 2016 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 "components/os_crypt/key_storage_keyring.h"
#include <cstdarg> // Needed to mock ellipsis
#include <string>
#include "base/test/test_simple_task_runner.h"
#include "build/branding_buildflags.h"
#include "components/os_crypt/keyring_util_linux.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
const char kApplicationName[] = "chrome";
#else
const char kApplicationName[] = "chromium";
#endif
// Replaces some of GnomeKeyringLoader's methods with mocked ones.
class MockGnomeKeyringLoader : public GnomeKeyringLoader {
public:
static void ResetForOSCrypt() {
GnomeKeyringLoader::gnome_keyring_find_password_sync_ptr =
&mock_gnome_keyring_find_password_sync;
GnomeKeyringLoader::gnome_keyring_store_password_sync_ptr =
&mock_gnome_keyring_store_password_sync;
GnomeKeyringLoader::gnome_keyring_free_password_ptr =
&mock_gnome_keyring_free_password;
delete s_password_ptr_;
s_password_ptr_ = nullptr;
// GnomeKeyringLoader does not (re)load keyring is this is true.
GnomeKeyringLoader::keyring_loaded = true;
}
static void SetOSCryptPassword(const char* password) {
delete s_password_ptr_;
s_password_ptr_ = new std::string(password);
}
static void TearDown() {
delete s_password_ptr_;
s_password_ptr_ = nullptr;
// Function pointers will be reset the next time loading is requested.
GnomeKeyringLoader::keyring_loaded = false;
}
private:
// These methods are used to redirect calls through GnomeKeyringLoader.
static GnomeKeyringResult mock_gnome_keyring_find_password_sync(
const GnomeKeyringPasswordSchema* schema,
gchar** password,
...);
static GnomeKeyringResult mock_gnome_keyring_store_password_sync(
const GnomeKeyringPasswordSchema* schema,
const gchar* keyring,
const gchar* display_name,
const gchar* password,
...);
static void mock_gnome_keyring_free_password(gchar* password);
static std::string* s_password_ptr_;
};
std::string* MockGnomeKeyringLoader::s_password_ptr_ = nullptr;
// static
GnomeKeyringResult
MockGnomeKeyringLoader::mock_gnome_keyring_find_password_sync(
const GnomeKeyringPasswordSchema* schema,
gchar** password,
...) {
va_list attrs;
va_start(attrs, password);
EXPECT_STREQ("application", va_arg(attrs, const char*));
EXPECT_STREQ(kApplicationName, va_arg(attrs, const char*));
EXPECT_EQ(nullptr, va_arg(attrs, const char*));
va_end(attrs);
if (!s_password_ptr_)
return GNOME_KEYRING_RESULT_NO_MATCH;
*password = strdup(s_password_ptr_->c_str());
return GNOME_KEYRING_RESULT_OK;
}
// static
GnomeKeyringResult
MockGnomeKeyringLoader::mock_gnome_keyring_store_password_sync(
const GnomeKeyringPasswordSchema* schema,
const gchar* keyring,
const gchar* display_name,
const gchar* password,
...) {
va_list attrs;
va_start(attrs, password);
EXPECT_STREQ("application", va_arg(attrs, const char*));
EXPECT_STREQ(kApplicationName, va_arg(attrs, const char*));
EXPECT_EQ(nullptr, va_arg(attrs, const char*));
va_end(attrs);
delete s_password_ptr_;
s_password_ptr_ = new std::string(password);
return GNOME_KEYRING_RESULT_OK;
}
// static
void MockGnomeKeyringLoader::mock_gnome_keyring_free_password(gchar* password) {
free(password); // We are mocking a C function.
}
class GnomeKeyringTest : public testing::Test {
public:
GnomeKeyringTest();
GnomeKeyringTest(const GnomeKeyringTest&) = delete;
GnomeKeyringTest& operator=(const GnomeKeyringTest&) = delete;
~GnomeKeyringTest() override;
protected:
scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
KeyStorageKeyring keyring_;
};
GnomeKeyringTest::GnomeKeyringTest()
: task_runner_(new base::TestSimpleTaskRunner()), keyring_(task_runner_, "chromium") {
MockGnomeKeyringLoader::ResetForOSCrypt();
}
GnomeKeyringTest::~GnomeKeyringTest() {
MockGnomeKeyringLoader::TearDown();
}
TEST_F(GnomeKeyringTest, KeyringRepeats) {
absl::optional<std::string> password = keyring_.GetKey();
EXPECT_TRUE(password.has_value());
EXPECT_FALSE(password.value().empty());
absl::optional<std::string> password_repeat = keyring_.GetKey();
EXPECT_TRUE(password_repeat.has_value());
EXPECT_EQ(password.value(), password_repeat.value());
}
TEST_F(GnomeKeyringTest, KeyringCreatesRandomised) {
absl::optional<std::string> password = keyring_.GetKey();
MockGnomeKeyringLoader::ResetForOSCrypt();
absl::optional<std::string> password_new = keyring_.GetKey();
EXPECT_TRUE(password.has_value());
EXPECT_TRUE(password_new.has_value());
EXPECT_NE(password.value(), password_new.value());
}
} // namespace
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