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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Test config_parser.c using gtest.
*/
#include <gtest/gtest.h>
#include <string>
#include "config_parser.h"
#include "test_util.h"
#include "util.h"
namespace {
class ConfigFileTest : public ::testing::Test {
protected:
virtual void SetUp() {
list_ = new_config_entry_list();
ASSERT_NE(list_, nullptr);
}
virtual void TearDown() { free_config_entry_list(list_); }
struct config_entry_list *list_;
};
} // namespace
TEST(ParsingConfigTest, valid_config_line) {
ScopedConfigEntry entry(
(config_entry *)calloc(1, sizeof(struct config_entry)));
const std::vector<std::string> valid_conf_lines = {
"mount=none",
"valueless_key"
"binding = none",
" xyz = abc ",
};
for (const auto& conf_line : valid_conf_lines) {
ASSERT_TRUE(parse_config_line(conf_line.c_str(), entry.get()));
clear_config_entry(entry.get());
}
}
TEST(ParsingConfigTest, invalid_config_line) {
ScopedConfigEntry entry(
(config_entry *)calloc(1, sizeof(struct config_entry)));
const std::vector<std::string> invalid_conf_lines = {
"= none",
"",
"empty_arg=",
"empty_arg= ",
};
for (const auto& conf_line : invalid_conf_lines) {
ASSERT_FALSE(parse_config_line(conf_line.c_str(), entry.get()));
}
}
TEST_F(ConfigFileTest, malformed_config_line) {
std::string config = "% minijail-config-file v0\n"
"=malformed";
ScopedFILE config_file(write_to_pipe(config));
ASSERT_NE(config_file.get(), nullptr);
bool res = parse_config_file(config_file.get(), list_);
// Policy is malformed, but process should not crash.
ASSERT_FALSE(res);
ASSERT_EQ(list_->num_entries, 0);
}
TEST_F(ConfigFileTest, bad_directive) {
std::string config = "% bad-directive\n"
"# comments";
ScopedFILE config_file(write_to_pipe(config));
ASSERT_NE(config_file.get(), nullptr);
bool res = parse_config_file(config_file.get(), list_);
// Policy is malformed, but process should not crash.
ASSERT_FALSE(res);
ASSERT_EQ(list_->num_entries, 0);
}
TEST_F(ConfigFileTest, wellformed_single_line) {
std::string config = "% minijail-config-file v0\n"
"# Comments \n"
"\n"
"uts\n"
"mount= xyz\n"
"binding = none,/tmp";
ScopedFILE config_file(write_to_pipe(config));
ASSERT_NE(config_file.get(), nullptr);
bool res = parse_config_file(config_file.get(), list_);
ASSERT_TRUE(res);
ASSERT_EQ(list_->num_entries, 3);
struct config_entry *first_entry = list_->entries;
struct config_entry *second_entry = list_->entries + 1;
struct config_entry *third_entry = list_->entries + 2;
ASSERT_EQ(std::string(first_entry->key), "uts");
ASSERT_EQ(first_entry->value, nullptr);
ASSERT_EQ(std::string(second_entry->key), "mount");
ASSERT_EQ(std::string(second_entry->value), "xyz");
ASSERT_EQ(std::string(third_entry->key), "binding");
ASSERT_EQ(std::string(third_entry->value), "none,/tmp");
}
TEST_F(ConfigFileTest, wellformed_multi_line) {
std::string config = "% minijail-config-file v0\n"
"# Comments \n"
"\n"
"mount = \\\n"
"none\n"
"binding = none,\\\n"
"/tmp";
ScopedFILE config_file(write_to_pipe(config));
ASSERT_NE(config_file.get(), nullptr);
int res = parse_config_file(config_file.get(), list_);
ASSERT_TRUE(res);
ASSERT_EQ(list_->num_entries, 2);
struct config_entry *first_entry = list_->entries;
struct config_entry *second_entry = list_->entries + 1;
ASSERT_EQ(std::string(first_entry->key), "mount");
ASSERT_EQ(std::string(first_entry->value), "none");
ASSERT_EQ(std::string(second_entry->key), "binding");
ASSERT_EQ(std::string(second_entry->value), "none, /tmp");
}
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