mirror of
https://github.com/morgan9e/systemd
synced 2026-04-15 08:56:15 +09:00
494 lines
19 KiB
C
494 lines
19 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include "conf-parser.h"
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#include "fd-util.h"
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#include "fs-util.h"
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#include "fileio.h"
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#include "log.h"
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#include "macro.h"
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#include "mkdir.h"
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#include "string-util.h"
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#include "strv.h"
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#include "tests.h"
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#include "tmpfile-util.h"
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static void test_config_parse_path_one(const char *rvalue, const char *expected) {
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_cleanup_free_ char *path = NULL;
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assert_se(config_parse_path("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &path, NULL) >= 0);
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ASSERT_STREQ(expected, path);
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}
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static void test_config_parse_log_level_one(const char *rvalue, int expected) {
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int log_level = 0;
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assert_se(config_parse_log_level("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_level, NULL) >= 0);
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assert_se(expected == log_level);
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}
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static void test_config_parse_log_facility_one(const char *rvalue, int expected) {
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int log_facility = 0;
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assert_se(config_parse_log_facility("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_facility, NULL) >= 0);
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assert_se(expected == log_facility);
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}
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static void test_config_parse_iec_size_one(const char *rvalue, size_t expected) {
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size_t iec_size = 0;
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assert_se(config_parse_iec_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &iec_size, NULL) >= 0);
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assert_se(expected == iec_size);
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}
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static void test_config_parse_si_uint64_one(const char *rvalue, uint64_t expected) {
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uint64_t si_uint64 = 0;
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assert_se(config_parse_si_uint64("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &si_uint64, NULL) >= 0);
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assert_se(expected == si_uint64);
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}
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static void test_config_parse_int_one(const char *rvalue, int expected) {
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int v = -1;
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assert_se(config_parse_int("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
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assert_se(expected == v);
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}
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static void test_config_parse_unsigned_one(const char *rvalue, unsigned expected) {
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unsigned v = 0;
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assert_se(config_parse_unsigned("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
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assert_se(expected == v);
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}
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static void test_config_parse_strv_one(const char *rvalue, char **expected) {
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_cleanup_strv_free_ char **strv = NULL;
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assert_se(config_parse_strv("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &strv, NULL) >= 0);
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assert_se(strv_equal(expected, strv));
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}
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static void test_config_parse_mode_one(const char *rvalue, mode_t expected) {
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mode_t v = 0;
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assert_se(config_parse_mode("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
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assert_se(expected == v);
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}
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static void test_config_parse_sec_one(const char *rvalue, usec_t expected) {
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usec_t v = 0;
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assert_se(config_parse_sec("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
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assert_se(expected == v);
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}
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static void test_config_parse_nsec_one(const char *rvalue, nsec_t expected) {
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nsec_t v = 0;
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assert_se(config_parse_nsec("unit", "filename", 1, "nsection", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
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assert_se(expected == v);
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}
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TEST(config_parse_path) {
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test_config_parse_path_one("/path", "/path");
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test_config_parse_path_one("/path//////////", "/path");
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test_config_parse_path_one("///path/foo///bar////bar//", "/path/foo/bar/bar");
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test_config_parse_path_one("/path//./////hogehoge///.", "/path/hogehoge");
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test_config_parse_path_one("/path/\xc3\x80", "/path/\xc3\x80");
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test_config_parse_path_one("not_absolute/path", NULL);
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test_config_parse_path_one("/path/\xc3\x7f", NULL);
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}
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TEST(config_parse_log_level) {
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test_config_parse_log_level_one("debug", LOG_DEBUG);
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test_config_parse_log_level_one("info", LOG_INFO);
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test_config_parse_log_level_one("garbage", 0);
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}
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TEST(config_parse_log_facility) {
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test_config_parse_log_facility_one("mail", LOG_MAIL);
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test_config_parse_log_facility_one("user", LOG_USER);
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test_config_parse_log_facility_one("garbage", 0);
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}
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TEST(config_parse_iec_size) {
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test_config_parse_iec_size_one("1024", 1024);
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test_config_parse_iec_size_one("2K", 2048);
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test_config_parse_iec_size_one("10M", 10 * 1024 * 1024);
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test_config_parse_iec_size_one("1G", 1 * 1024 * 1024 * 1024);
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test_config_parse_iec_size_one("0G", 0);
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test_config_parse_iec_size_one("0", 0);
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test_config_parse_iec_size_one("-982", 0);
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test_config_parse_iec_size_one("49874444198739873000000G", 0);
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test_config_parse_iec_size_one("garbage", 0);
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}
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TEST(config_parse_si_uint64) {
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test_config_parse_si_uint64_one("1024", 1024);
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test_config_parse_si_uint64_one("2K", 2000);
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test_config_parse_si_uint64_one("10M", 10 * 1000 * 1000);
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test_config_parse_si_uint64_one("1G", 1 * 1000 * 1000 * 1000);
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test_config_parse_si_uint64_one("0G", 0);
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test_config_parse_si_uint64_one("0", 0);
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test_config_parse_si_uint64_one("-982", 0);
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test_config_parse_si_uint64_one("49874444198739873000000G", 0);
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test_config_parse_si_uint64_one("garbage", 0);
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}
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TEST(config_parse_int) {
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test_config_parse_int_one("1024", 1024);
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test_config_parse_int_one("-1024", -1024);
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test_config_parse_int_one("0", 0);
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test_config_parse_int_one("99999999999999999999999999999999999999999999999999999999", -1);
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test_config_parse_int_one("-99999999999999999999999999999999999999999999999999999999", -1);
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test_config_parse_int_one("1G", -1);
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test_config_parse_int_one("garbage", -1);
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}
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TEST(config_parse_unsigned) {
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test_config_parse_unsigned_one("10241024", 10241024);
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test_config_parse_unsigned_one("1024", 1024);
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test_config_parse_unsigned_one("0", 0);
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test_config_parse_unsigned_one("99999999999999999999999999999999999999999999999999999999", 0);
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test_config_parse_unsigned_one("1G", 0);
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test_config_parse_unsigned_one("garbage", 0);
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test_config_parse_unsigned_one("1000garbage", 0);
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}
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TEST(config_parse_strv) {
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test_config_parse_strv_one("", STRV_MAKE_EMPTY);
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test_config_parse_strv_one("foo", STRV_MAKE("foo"));
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test_config_parse_strv_one("foo bar foo", STRV_MAKE("foo", "bar", "foo"));
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test_config_parse_strv_one("\"foo bar\" foo", STRV_MAKE("foo bar", "foo"));
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test_config_parse_strv_one("\xc3\x80", STRV_MAKE("\xc3\x80"));
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test_config_parse_strv_one("\xc3\x7f", STRV_MAKE("\xc3\x7f"));
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}
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TEST(config_parse_mode) {
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test_config_parse_mode_one("777", 0777);
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test_config_parse_mode_one("644", 0644);
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test_config_parse_mode_one("-777", 0);
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test_config_parse_mode_one("999", 0);
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test_config_parse_mode_one("garbage", 0);
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test_config_parse_mode_one("777garbage", 0);
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test_config_parse_mode_one("777 garbage", 0);
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}
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TEST(config_parse_sec) {
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test_config_parse_sec_one("1", 1 * USEC_PER_SEC);
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test_config_parse_sec_one("1s", 1 * USEC_PER_SEC);
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test_config_parse_sec_one("100ms", 100 * USEC_PER_MSEC);
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test_config_parse_sec_one("5min 20s", 5 * 60 * USEC_PER_SEC + 20 * USEC_PER_SEC);
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test_config_parse_sec_one("-1", 0);
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test_config_parse_sec_one("10foo", 0);
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test_config_parse_sec_one("garbage", 0);
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}
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TEST(config_parse_nsec) {
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test_config_parse_nsec_one("1", 1);
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test_config_parse_nsec_one("1s", 1 * NSEC_PER_SEC);
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test_config_parse_nsec_one("100ms", 100 * NSEC_PER_MSEC);
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test_config_parse_nsec_one("5min 20s", 5 * 60 * NSEC_PER_SEC + 20 * NSEC_PER_SEC);
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test_config_parse_nsec_one("-1", 0);
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test_config_parse_nsec_one("10foo", 0);
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test_config_parse_nsec_one("garbage", 0);
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}
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TEST(config_parse_iec_uint64) {
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uint64_t offset = 0;
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assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4M", &offset, NULL) == 0);
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assert_se(offset == 4 * 1024 * 1024);
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assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4.5M", &offset, NULL) == 0);
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}
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#define x10(x) x x x x x x x x x x
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#define x100(x) x10(x10(x))
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#define x1000(x) x10(x100(x))
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static const char* const config_file[] = {
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"[Section]\n"
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"setting1=1\n",
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"[Section]\n"
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"setting1=1", /* no terminating newline */
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"\n\n\n\n[Section]\n\n\n"
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"setting1=1", /* some whitespace, no terminating newline */
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"[Section]\n"
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"[Section]\n"
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"setting1=1\n"
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"setting1= 2 \t\n"
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"setting1= 1\n", /* repeated settings */
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"[Section]\n"
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"[Section]\n"
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"setting1=1\n"
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"setting1=2\\\n"
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" \n" /* empty line breaks continuation */
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"setting1=1\n", /* repeated settings */
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"[Section]\n"
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"setting1=1\\\n" /* normal continuation */
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"2\\\n"
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"3\n",
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"[Section]\n"
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"#hogehoge\\\n" /* continuation is ignored in comment */
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"setting1=1\\\n" /* normal continuation */
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"2\\\n"
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"3\n",
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"[Section]\n"
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"setting1=1\\\n" /* normal continuation */
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"#hogehoge\\\n" /* commented out line in continuation is ignored */
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"2\\\n"
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"3\n",
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"[Section]\n"
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" #hogehoge\\\n" /* whitespaces before comments */
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" setting1=1\\\n" /* whitespaces before key */
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"2\\\n"
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"3\n",
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"[Section]\n"
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" setting1=1\\\n" /* whitespaces before key */
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" #hogehoge\\\n" /* commented out line prefixed with whitespaces in continuation */
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"2\\\n"
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"3\n",
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"[Section]\n"
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"setting1=1\\\n" /* continuation with extra trailing backslash at the end */
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"2\\\n"
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"3\\\n",
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"[Section]\n"
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"setting1=1\\\\\\\n" /* continuation with trailing escape symbols */
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"\\\\2\n", /* note that C requires one level of escaping, so the
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* parser gets "…1 BS BS BS NL BS BS 2 NL", which
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* it translates into "…1 BS BS SP BS BS 2" */
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"\n[Section]\n\n"
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"setting1=" /* a line above LINE_MAX length */
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x1000("ABCD")
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"\n",
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"[Section]\n"
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"setting1=" /* a line above LINE_MAX length, with continuation */
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x1000("ABCD") "\\\n"
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"foobar",
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"[Section]\n"
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"setting1=" /* a line above LINE_MAX length, with continuation */
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x1000("ABCD") "\\\n" /* and an extra trailing backslash */
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"foobar\\\n",
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"[Section]\n"
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"setting1=" /* a line above the allowed limit: 9 + 1050000 + 1 */
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x1000(x1000("x") x10("abcde")) "\n",
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"[Section]\n"
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"setting1=" /* many continuation lines, together above the limit */
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x1000(x1000("x") x10("abcde") "\\\n") "xxx",
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"[Section]\n"
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"setting1=2\n"
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"[NoWarnSection]\n"
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"setting1=3\n"
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"[WarnSection]\n"
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"setting1=3\n"
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"[X-Section]\n"
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"setting1=3\n",
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};
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static void test_config_parse_one(unsigned i, const char *s) {
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_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-conf-parser.XXXXXX";
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_cleanup_fclose_ FILE *f = NULL;
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_cleanup_free_ char *setting1 = NULL;
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int r;
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const ConfigTableItem items[] = {
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{ "Section", "setting1", config_parse_string, 0, &setting1},
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{}
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};
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log_info("== %s[%u] ==", __func__, i);
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assert_se(fmkostemp_safe(name, "r+", &f) == 0);
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assert_se(fwrite(s, strlen(s), 1, f) == 1);
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rewind(f);
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/*
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int config_parse(const char *unit,
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const char *filename,
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FILE *f,
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const char *sections,
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ConfigItemLookup lookup,
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const void *table,
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ConfigParseFlags flags,
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void *userdata,
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struct stat *ret_stat);
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*/
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r = config_parse(NULL, name, f,
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"Section\0"
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"-NoWarnSection\0",
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config_item_table_lookup, items,
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CONFIG_PARSE_WARN,
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NULL,
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NULL);
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switch (i) {
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case 0 ... 4:
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assert_se(r == 1);
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ASSERT_STREQ(setting1, "1");
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break;
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case 5 ... 10:
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assert_se(r == 1);
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ASSERT_STREQ(setting1, "1 2 3");
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break;
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case 11:
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assert_se(r == 1);
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ASSERT_STREQ(setting1, "1\\\\ \\\\2");
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break;
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case 12:
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assert_se(r == 1);
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ASSERT_STREQ(setting1, x1000("ABCD"));
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break;
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case 13 ... 14:
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assert_se(r == 1);
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ASSERT_STREQ(setting1, x1000("ABCD") " foobar");
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break;
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case 15 ... 16:
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assert_se(r == -ENOBUFS);
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ASSERT_NULL(setting1);
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break;
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case 17:
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assert_se(r == 1);
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ASSERT_STREQ(setting1, "2");
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break;
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}
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}
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TEST(config_parse) {
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for (unsigned i = 0; i < ELEMENTSOF(config_file); i++)
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test_config_parse_one(i, config_file[i]);
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}
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TEST(config_parse_standard_file_with_dropins_full) {
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_cleanup_(rmdir_and_freep) char *root = NULL;
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_cleanup_close_ int rfd = -EBADF;
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int r;
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assert_se(mkdtemp_malloc(NULL, &root) >= 0);
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assert_se(mkdir_p_root(root, "/etc/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755, NULL));
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assert_se(mkdir_p_root(root, "/run/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755, NULL));
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assert_se(mkdir_p_root(root, "/usr/lib/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755, NULL));
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assert_se(mkdir_p_root(root, "/usr/local/lib/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755, NULL));
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rfd = open(root, O_CLOEXEC|O_DIRECTORY);
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assert_se(rfd >= 0);
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assert_se(write_string_file_at(rfd, "usr/lib/kernel/install.conf", /* this one is ignored */
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"A=!!!", WRITE_STRING_FILE_CREATE) == 0);
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assert_se(write_string_file_at(rfd, "usr/local/lib/kernel/install.conf",
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"A=aaa", WRITE_STRING_FILE_CREATE) == 0);
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assert_se(write_string_file_at(rfd, "usr/local/lib/kernel/install.conf.d/drop1.conf",
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"B=bbb", WRITE_STRING_FILE_CREATE) == 0);
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assert_se(write_string_file_at(rfd, "usr/local/lib/kernel/install.conf.d/drop2.conf",
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"C=c1", WRITE_STRING_FILE_CREATE) == 0);
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assert_se(write_string_file_at(rfd, "usr/lib/kernel/install.conf.d/drop2.conf", /* this one is ignored */
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"C=c2", WRITE_STRING_FILE_CREATE) == 0);
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assert_se(write_string_file_at(rfd, "run/kernel/install.conf.d/drop3.conf",
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"D=ddd", WRITE_STRING_FILE_CREATE) == 0);
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assert_se(write_string_file_at(rfd, "etc/kernel/install.conf.d/drop4.conf",
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"E=eee", WRITE_STRING_FILE_CREATE) == 0);
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_cleanup_free_ char *A = NULL, *B = NULL, *C = NULL, *D = NULL, *E = NULL, *F = NULL;
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_cleanup_strv_free_ char **dropins = NULL;
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const ConfigTableItem items[] = {
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{ NULL, "A", config_parse_string, 0, &A},
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{ NULL, "B", config_parse_string, 0, &B},
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{ NULL, "C", config_parse_string, 0, &C},
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{ NULL, "D", config_parse_string, 0, &D},
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{ NULL, "E", config_parse_string, 0, &E},
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{ NULL, "F", config_parse_string, 0, &F},
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{}
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};
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r = config_parse_standard_file_with_dropins_full(
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root, "kernel/install.conf",
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/* sections= */ NULL,
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config_item_table_lookup, items,
|
|
CONFIG_PARSE_WARN,
|
|
/* userdata= */ NULL,
|
|
/* ret_stats_by_path= */ NULL,
|
|
/* ret_dropin_files= */ &dropins);
|
|
assert_se(r >= 0);
|
|
ASSERT_STREQ(A, "aaa");
|
|
ASSERT_STREQ(B, "bbb");
|
|
ASSERT_STREQ(C, "c1");
|
|
ASSERT_STREQ(D, "ddd");
|
|
ASSERT_STREQ(E, "eee");
|
|
ASSERT_STREQ(F, NULL);
|
|
|
|
A = mfree(A);
|
|
B = mfree(B);
|
|
C = mfree(C);
|
|
D = mfree(D);
|
|
E = mfree(E);
|
|
|
|
assert_se(strv_length(dropins) == 4);
|
|
|
|
/* Make sure that we follow symlinks */
|
|
assert_se(mkdir_p_root(root, "/etc/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755, NULL));
|
|
assert_se(mkdir_p_root(root, "/run/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755, NULL));
|
|
assert_se(mkdir_p_root(root, "/usr/lib/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755, NULL));
|
|
assert_se(mkdir_p_root(root, "/usr/local/lib/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755, NULL));
|
|
|
|
/* (Those symlinks are only useful relative to <root>. */
|
|
assert_se(symlinkat("/usr/lib/kernel/install.conf", rfd, "usr/lib/kernel/install2.conf") == 0);
|
|
assert_se(symlinkat("/usr/local/lib/kernel/install.conf", rfd, "usr/local/lib/kernel/install2.conf") == 0);
|
|
assert_se(symlinkat("/usr/local/lib/kernel/install.conf.d/drop1.conf", rfd, "usr/local/lib/kernel/install2.conf.d/drop1.conf") == 0);
|
|
assert_se(symlinkat("/usr/local/lib/kernel/install.conf.d/drop2.conf", rfd, "usr/local/lib/kernel/install2.conf.d/drop2.conf") == 0);
|
|
assert_se(symlinkat("/usr/lib/kernel/install.conf.d/drop2.conf", rfd, "usr/lib/kernel/install2.conf.d/drop2.conf") == 0);
|
|
assert_se(symlinkat("/run/kernel/install.conf.d/drop3.conf", rfd, "run/kernel/install2.conf.d/drop3.conf") == 0);
|
|
assert_se(symlinkat("/etc/kernel/install.conf.d/drop4.conf", rfd, "etc/kernel/install2.conf.d/drop4.conf") == 0);
|
|
|
|
r = config_parse_standard_file_with_dropins_full(
|
|
root, "kernel/install2.conf",
|
|
/* sections= */ NULL,
|
|
config_item_table_lookup, items,
|
|
CONFIG_PARSE_WARN,
|
|
/* userdata= */ NULL,
|
|
/* ret_stats_by_path= */ NULL,
|
|
/* ret_dropin_files= */ NULL);
|
|
assert_se(r >= 0);
|
|
ASSERT_STREQ(A, "aaa");
|
|
ASSERT_STREQ(B, "bbb");
|
|
ASSERT_STREQ(C, "c1");
|
|
ASSERT_STREQ(D, "ddd");
|
|
ASSERT_STREQ(E, "eee");
|
|
ASSERT_STREQ(F, NULL);
|
|
}
|
|
|
|
DEFINE_TEST_MAIN(LOG_INFO);
|