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e3f46367f5
This function is pretty important, but we weren't calling it directly even once in tests. v2: add a few tests for escaping and line continuations
338 lines
12 KiB
C
338 lines
12 KiB
C
/***
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This file is part of systemd.
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Copyright 2015 Ronny Chevalier
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "conf-parser.h"
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#include "fd-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 "string-util.h"
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#include "strv.h"
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#include "util.h"
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static void test_config_parse_path_one(const char *rvalue, const char *expected) {
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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_se(streq_ptr(expected, path));
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free(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_size_one(const char *rvalue, size_t expected) {
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size_t si_size = 0;
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assert_se(config_parse_si_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &si_size, NULL) >= 0);
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assert_se(expected == si_size);
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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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char **strv = 0;
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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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strv_free(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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static void test_config_parse_path(void) {
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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/\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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static void test_config_parse_log_level(void) {
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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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static void test_config_parse_log_facility(void) {
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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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static void test_config_parse_iec_size(void) {
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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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static void test_config_parse_si_size(void) {
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test_config_parse_si_size_one("1024", 1024);
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test_config_parse_si_size_one("2K", 2000);
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test_config_parse_si_size_one("10M", 10 * 1000 * 1000);
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test_config_parse_si_size_one("1G", 1 * 1000 * 1000 * 1000);
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test_config_parse_si_size_one("0G", 0);
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test_config_parse_si_size_one("0", 0);
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test_config_parse_si_size_one("-982", 0);
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test_config_parse_si_size_one("49874444198739873000000G", 0);
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test_config_parse_si_size_one("garbage", 0);
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}
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static void test_config_parse_int(void) {
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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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static void test_config_parse_unsigned(void) {
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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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static void test_config_parse_strv(void) {
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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_EMPTY);
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}
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static void test_config_parse_mode(void) {
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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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static void test_config_parse_sec(void) {
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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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static void test_config_parse_nsec(void) {
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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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static void test_config_parse_iec_uint64(void) {
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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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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\n"
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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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"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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};
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static void test_config_parse(unsigned i, const char *s) {
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char name[] = "/tmp/test-conf-parser.XXXXXX";
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int fd, r;
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_cleanup_fclose_ FILE *f = NULL;
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_cleanup_free_ char *setting1 = NULL;
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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[%i] ==", __func__, i);
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fd = mkostemp_safe(name);
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assert_se(fd >= 0);
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assert_se((size_t) write(fd, s, strlen(s)) == strlen(s));
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assert_se(lseek(fd, 0, SEEK_SET) == 0);
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assert_se(f = fdopen(fd, "r"));
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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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bool relaxed,
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bool allow_include,
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bool warn,
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void *userdata)
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*/
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r = config_parse(NULL, name, f,
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"Section\0",
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config_item_table_lookup, items,
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false, false, true, NULL);
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assert_se(r == 0);
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switch (i) {
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case 0 ... 3:
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assert_se(streq(setting1, "1"));
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break;
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case 4:
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assert_se(streq(setting1, "1 2 3"));
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break;
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case 5:
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assert_se(streq(setting1, "1\\\\ \\\\2"));
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break;
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}
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}
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int main(int argc, char **argv) {
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unsigned i;
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log_parse_environment();
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log_open();
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test_config_parse_path();
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test_config_parse_log_level();
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test_config_parse_log_facility();
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test_config_parse_iec_size();
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test_config_parse_si_size();
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test_config_parse_int();
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test_config_parse_unsigned();
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test_config_parse_strv();
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test_config_parse_mode();
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test_config_parse_sec();
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test_config_parse_nsec();
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test_config_parse_iec_uint64();
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for (i = 0; i < ELEMENTSOF(config_file); i++)
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test_config_parse(i, config_file[i]);
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return 0;
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}
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