[thirdparty/systemd.git] / src / test / test-conf-parser.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <unistd.h>

#include "conf-parser.h"
#include "fd-util.h"
#include "fileio.h"
#include "log.h"
#include "mkdir.h"
#include "rm-rf.h"
#include "strv.h"
#include "tests.h"
#include "time-util.h"
#include "tmpfile-util.h"

static void test_config_parse_path_one(const char *rvalue, const char *expected) {
        _cleanup_free_ char *path = NULL;

        ASSERT_OK(config_parse_path("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &path, NULL));
        ASSERT_STREQ(expected, path);
}

static void test_config_parse_log_level_one(const char *rvalue, int expected) {
        int log_level = 0;

        ASSERT_OK(config_parse_log_level("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_level, NULL));
        ASSERT_EQ(expected, log_level);
}

static void test_config_parse_log_facility_one(const char *rvalue, int expected) {
        int log_facility = 0;

        ASSERT_OK(config_parse_log_facility("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_facility, NULL));
        ASSERT_EQ(expected, log_facility);
}

static void test_config_parse_iec_size_one(const char *rvalue, size_t expected) {
        size_t iec_size = 0;

        ASSERT_OK(config_parse_iec_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &iec_size, NULL));
        ASSERT_EQ(expected, iec_size);
}

static void test_config_parse_si_uint64_one(const char *rvalue, uint64_t expected) {
        uint64_t si_uint64 = 0;

        ASSERT_OK(config_parse_si_uint64("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &si_uint64, NULL));
        ASSERT_EQ(expected, si_uint64);
}

static void test_config_parse_int_one(const char *rvalue, int expected) {
        int v = -1;

        ASSERT_OK(config_parse_int("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL));
        ASSERT_EQ(expected, v);
}

static void test_config_parse_unsigned_one(const char *rvalue, unsigned expected) {
        unsigned v = 0;

        ASSERT_OK(config_parse_unsigned("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL));
        ASSERT_EQ(expected, v);
}

static void test_config_parse_strv_one(const char *rvalue, bool filter_duplicates, char **expected) {
        _cleanup_strv_free_ char **strv = NULL;

        ASSERT_OK(config_parse_strv("unit", "filename", 1, "section", 1, "lvalue", filter_duplicates, rvalue, &strv, NULL));
        ASSERT_TRUE(strv_equal(expected, strv));
}

static void test_config_parse_mode_one(const char *rvalue, mode_t expected) {
        mode_t v = 0;

        ASSERT_OK(config_parse_mode("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL));
        ASSERT_EQ(expected, v);
}

static void test_config_parse_sec_one(const char *rvalue, usec_t expected) {
        usec_t v = 0;

        ASSERT_OK(config_parse_sec("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL));
        ASSERT_EQ(expected, v);
}

static void test_config_parse_nsec_one(const char *rvalue, nsec_t expected) {
        nsec_t v = 0;

        ASSERT_OK(config_parse_nsec("unit", "filename", 1, "nsection", 1, "lvalue", 0, rvalue, &v, NULL));
        ASSERT_EQ(expected, v);
}

static void test_config_parse_iec_uint64_one(const char *rvalue, uint64_t expected) {
        uint64_t v = 0;

        ASSERT_OK(config_parse_iec_uint64("unit", "filename", 1, "nsection", 1, "lvalue", 0, rvalue, &v, NULL));
        ASSERT_EQ(expected, v);
}

TEST(config_parse_path) {
        test_config_parse_path_one("/path", "/path");
        test_config_parse_path_one("/path//////////", "/path");
        test_config_parse_path_one("///path/foo///bar////bar//", "/path/foo/bar/bar");
        test_config_parse_path_one("/path//./////hogehoge///.", "/path/hogehoge");
        test_config_parse_path_one("/path/\xc3\x80", "/path/\xc3\x80");

        test_config_parse_path_one("not_absolute/path", NULL);
        test_config_parse_path_one("/path/\xc3\x7f", NULL);
}

TEST(config_parse_log_level) {
        test_config_parse_log_level_one("debug", LOG_DEBUG);
        test_config_parse_log_level_one("info", LOG_INFO);

        test_config_parse_log_level_one("garbage", 0);
}

TEST(config_parse_log_facility) {
        test_config_parse_log_facility_one("mail", LOG_MAIL);
        test_config_parse_log_facility_one("user", LOG_USER);

        test_config_parse_log_facility_one("garbage", 0);
}

TEST(config_parse_iec_size) {
        test_config_parse_iec_size_one("1024", 1024);
        test_config_parse_iec_size_one("2K", 2048);
        test_config_parse_iec_size_one("10M", 10 * 1024 * 1024);
        test_config_parse_iec_size_one("1G", 1 * 1024 * 1024 * 1024);
        test_config_parse_iec_size_one("0G", 0);
        test_config_parse_iec_size_one("0", 0);

        test_config_parse_iec_size_one("-982", 0);
        test_config_parse_iec_size_one("49874444198739873000000G", 0);
        test_config_parse_iec_size_one("garbage", 0);
}

TEST(config_parse_si_uint64) {
        test_config_parse_si_uint64_one("1024", 1024);
        test_config_parse_si_uint64_one("2K", 2000);
        test_config_parse_si_uint64_one("10M", 10 * 1000 * 1000);
        test_config_parse_si_uint64_one("1G", 1 * 1000 * 1000 * 1000);
        test_config_parse_si_uint64_one("0G", 0);
        test_config_parse_si_uint64_one("0", 0);

        test_config_parse_si_uint64_one("-982", 0);
        test_config_parse_si_uint64_one("49874444198739873000000G", 0);
        test_config_parse_si_uint64_one("garbage", 0);
}

TEST(config_parse_int) {
        test_config_parse_int_one("1024", 1024);
        test_config_parse_int_one("-1024", -1024);
        test_config_parse_int_one("0", 0);

        test_config_parse_int_one("99999999999999999999999999999999999999999999999999999999", -1);
        test_config_parse_int_one("-99999999999999999999999999999999999999999999999999999999", -1);
        test_config_parse_int_one("1G", -1);
        test_config_parse_int_one("garbage", -1);
}

TEST(config_parse_unsigned) {
        test_config_parse_unsigned_one("10241024", 10241024);
        test_config_parse_unsigned_one("1024", 1024);
        test_config_parse_unsigned_one("0", 0);

        test_config_parse_unsigned_one("99999999999999999999999999999999999999999999999999999999", 0);
        test_config_parse_unsigned_one("1G", 0);
        test_config_parse_unsigned_one("garbage", 0);
        test_config_parse_unsigned_one("1000garbage", 0);
}

TEST(config_parse_strv) {
        test_config_parse_strv_one("", false, STRV_EMPTY);
        test_config_parse_strv_one("foo", false, STRV_MAKE("foo"));
        test_config_parse_strv_one("foo bar foo", false, STRV_MAKE("foo", "bar", "foo"));
        test_config_parse_strv_one("\"foo bar\" foo", false, STRV_MAKE("foo bar", "foo"));
        test_config_parse_strv_one("\xc3\x80", false, STRV_MAKE("\xc3\x80"));
        test_config_parse_strv_one("\xc3\x7f", false, STRV_MAKE("\xc3\x7f"));

        test_config_parse_strv_one("", true, STRV_EMPTY);
        test_config_parse_strv_one("foo", true, STRV_MAKE("foo"));
        test_config_parse_strv_one("foo bar foo", true, STRV_MAKE("foo", "bar"));
        test_config_parse_strv_one("\"foo bar\" foo", true, STRV_MAKE("foo bar", "foo"));
        test_config_parse_strv_one("\xc3\x80", true, STRV_MAKE("\xc3\x80"));
        test_config_parse_strv_one("\xc3\x7f", true, STRV_MAKE("\xc3\x7f"));
}

TEST(config_parse_mode) {
        test_config_parse_mode_one("777", 0777);
        test_config_parse_mode_one("644", 0644);

        test_config_parse_mode_one("-777", 0);
        test_config_parse_mode_one("999", 0);
        test_config_parse_mode_one("garbage", 0);
        test_config_parse_mode_one("777garbage", 0);
        test_config_parse_mode_one("777 garbage", 0);
}

TEST(config_parse_sec) {
        test_config_parse_sec_one("1", 1 * USEC_PER_SEC);
        test_config_parse_sec_one("1s", 1 * USEC_PER_SEC);
        test_config_parse_sec_one("100ms", 100 * USEC_PER_MSEC);
        test_config_parse_sec_one("5min 20s", 5 * 60 * USEC_PER_SEC + 20 * USEC_PER_SEC);

        test_config_parse_sec_one("-1", 0);
        test_config_parse_sec_one("10foo", 0);
        test_config_parse_sec_one("garbage", 0);
}

TEST(config_parse_nsec) {
        test_config_parse_nsec_one("1", 1);
        test_config_parse_nsec_one("1s", 1 * NSEC_PER_SEC);
        test_config_parse_nsec_one("100ms", 100 * NSEC_PER_MSEC);
        test_config_parse_nsec_one("5min 20s", 5 * 60 * NSEC_PER_SEC + 20 * NSEC_PER_SEC);

        test_config_parse_nsec_one("-1", 0);
        test_config_parse_nsec_one("10foo", 0);
        test_config_parse_nsec_one("garbage", 0);
}

TEST(config_parse_iec_uint64) {
        test_config_parse_iec_uint64_one("4M", UINT64_C(4 * 1024 * 1024));
        test_config_parse_iec_uint64_one("4.5M", UINT64_C((4 * 1024 + 512) * 1024));
}

#define x10(x) x x x x x x x x x x
#define x100(x) x10(x10(x))
#define x1000(x) x10(x100(x))

static const char* const config_file[] = {
        "[Section]\n"
        "setting1=1\n",

        "[Section]\n"
        "setting1=1",        /* no terminating newline */

        "\n\n\n\n[Section]\n\n\n"
        "setting1=1",        /* some whitespace, no terminating newline */

        "[Section]\n"
        "[Section]\n"
        "setting1=1\n"
        "setting1=    2 \t\n"
        "setting1=    1\n",  /* repeated settings */

        "[Section]\n"
        "[Section]\n"
        "setting1=1\n"
        "setting1=2\\\n"
        "   \n"              /* empty line breaks continuation */
        "setting1=1\n",      /* repeated settings */

        "[Section]\n"
        "setting1=1\\\n"     /* normal continuation */
        "2\\\n"
        "3\n",

        "[Section]\n"
        "#hogehoge\\\n"      /* continuation is ignored in comment */
        "setting1=1\\\n"     /* normal continuation */
        "2\\\n"
        "3\n",

        "[Section]\n"
        "setting1=1\\\n"     /* normal continuation */
        "#hogehoge\\\n"      /* commented out line in continuation is ignored */
        "2\\\n"
        "3\n",

        "[Section]\n"
        "   #hogehoge\\\n"   /* whitespaces before comments */
        "   setting1=1\\\n"  /* whitespaces before key */
        "2\\\n"
        "3\n",

        "[Section]\n"
        "   setting1=1\\\n"  /* whitespaces before key */
        "   #hogehoge\\\n"   /* commented out line prefixed with whitespaces in continuation */
        "2\\\n"
        "3\n",

        "[Section]\n"
        "setting1=1\\\n"     /* continuation with extra trailing backslash at the end */
        "2\\\n"
        "3\\\n",

        "[Section]\n"
        "setting1=1\\\\\\\n" /* continuation with trailing escape symbols */
        "\\\\2\n",           /* note that C requires one level of escaping, so the
                              * parser gets "…1 BS BS BS NL BS BS 2 NL", which
                              * it translates into "…1 BS BS SP BS BS 2" */

        "\n[Section]\n\n"
        "setting1="          /* a line above LINE_MAX length */
        x1000("ABCD")
        "\n",

        "[Section]\n"
        "setting1="          /* a line above LINE_MAX length, with continuation */
        x1000("ABCD") "\\\n"
        "foobar",

        "[Section]\n"
        "setting1="          /* a line above LINE_MAX length, with continuation */
        x1000("ABCD") "\\\n" /* and an extra trailing backslash */
        "foobar\\\n",

        "[Section]\n"
        "setting1="          /* a line above the allowed limit: 9 + 1050000 + 1 */
        x1000(x1000("x") x10("abcde")) "\n",

        "[Section]\n"
        "setting1="          /* many continuation lines, together above the limit */
        x1000(x1000("x") x10("abcde") "\\\n") "xxx",

        "[Section]\n"
        "setting1=2\n"
        "[NoWarnSection]\n"
        "setting1=3\n"
        "[WarnSection]\n"
        "setting1=3\n"
        "[X-Section]\n"
        "setting1=3\n",
};

static void test_config_parse_one(unsigned i, const char *s) {
        _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-conf-parser.XXXXXX";
        _cleanup_fclose_ FILE *f = NULL;
        _cleanup_free_ char *setting1 = NULL;
        int r;

        const ConfigTableItem items[] = {
                { "Section", "setting1",  config_parse_string,   0, &setting1},
                {}
        };

        log_info("== %s[%u] ==", __func__, i);

        assert_se(fmkostemp_safe(name, "r+", &f) == 0);
        assert_se(fwrite(s, strlen(s), 1, f) == 1);
        rewind(f);

        /*
        int config_parse(const char *unit,
                         const char *filename,
                         FILE *f,
                         const char *sections,
                         ConfigItemLookup lookup,
                         const void *table,
                         ConfigParseFlags flags,
                         void *userdata,
                         struct stat *ret_stat);
        */

        r = config_parse(NULL, name, f,
                         "Section\0"
                         "-NoWarnSection\0",
                         config_item_table_lookup, items,
                         CONFIG_PARSE_WARN,
                         NULL,
                         NULL);

        switch (i) {
        case 0 ... 4:
                assert_se(r == 1);
                ASSERT_STREQ(setting1, "1");
                break;

        case 5 ... 10:
                assert_se(r == 1);
                ASSERT_STREQ(setting1, "1 2 3");
                break;

        case 11:
                assert_se(r == 1);
                ASSERT_STREQ(setting1, "1\\\\ \\\\2");
                break;

        case 12:
                assert_se(r == 1);
                ASSERT_STREQ(setting1, x1000("ABCD"));
                break;

        case 13 ... 14:
                assert_se(r == 1);
                ASSERT_STREQ(setting1, x1000("ABCD") " foobar");
                break;

        case 15 ... 16:
                assert_se(r == -ENOBUFS);
                ASSERT_NULL(setting1);
                break;

        case 17:
                assert_se(r == 1);
                ASSERT_STREQ(setting1, "2");
                break;
        }
}

TEST(config_parse) {
        for (unsigned i = 0; i < ELEMENTSOF(config_file); i++)
                test_config_parse_one(i, config_file[i]);
}

TEST(config_parse_standard_file_with_dropins_full) {
        _cleanup_(rm_rf_physical_and_freep) char *root = NULL;
        _cleanup_close_ int rfd = -EBADF;
        int r;

        ASSERT_OK(rfd = mkdtemp_open("/tmp/test-config-parse-XXXXXX", 0, &root));
        assert_se(mkdir_p_root(root, "/etc/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755));
        assert_se(mkdir_p_root(root, "/run/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755));
        assert_se(mkdir_p_root(root, "/usr/lib/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755));
        assert_se(mkdir_p_root(root, "/usr/local/lib/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755));

        assert_se(write_string_file_at(rfd, "usr/lib/kernel/install.conf",         /* this one is ignored */
                                       "A=!!!", WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file_at(rfd, "usr/local/lib/kernel/install.conf",
                                       "A=aaa", WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file_at(rfd, "usr/local/lib/kernel/install.conf.d/drop1.conf",
                                       "B=bbb", WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file_at(rfd, "usr/local/lib/kernel/install.conf.d/drop2.conf",
                                       "C=c1", WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file_at(rfd, "usr/lib/kernel/install.conf.d/drop2.conf",   /* this one is ignored */
                                       "C=c2", WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file_at(rfd, "run/kernel/install.conf.d/drop3.conf",
                                       "D=ddd", WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file_at(rfd, "etc/kernel/install.conf.d/drop4.conf",
                                       "E=eee", WRITE_STRING_FILE_CREATE) == 0);

        _cleanup_free_ char *A = NULL, *B = NULL, *C = NULL, *D = NULL, *E = NULL, *F = NULL;
        _cleanup_strv_free_ char **dropins = NULL;

        const ConfigTableItem items[] = {
                { NULL, "A",  config_parse_string,   0, &A},
                { NULL, "B",  config_parse_string,   0, &B},
                { NULL, "C",  config_parse_string,   0, &C},
                { NULL, "D",  config_parse_string,   0, &D},
                { NULL, "E",  config_parse_string,   0, &E},
                { NULL, "F",  config_parse_string,   0, &F},
                {}
        };

        r = config_parse_standard_file_with_dropins_full(
                        root, "kernel/install.conf",
                        /* sections= */ NULL,
                        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));
        assert_se(mkdir_p_root(root, "/run/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755));
        assert_se(mkdir_p_root(root, "/usr/lib/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755));
        assert_se(mkdir_p_root(root, "/usr/local/lib/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755));

        /* (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);
Commit	Line	Data
	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
	2
	3	#include <unistd.h>
	4
	5	#include "conf-parser.h"
	6	#include "fd-util.h"
	7	#include "fileio.h"
	8	#include "log.h"
	9	#include "mkdir.h"
	10	#include "rm-rf.h"
	11	#include "strv.h"
	12	#include "tests.h"
	13	#include "time-util.h"
	14	#include "tmpfile-util.h"
	15
	16	static void test_config_parse_path_one(const char rvalue, const char expected) {
	17	_cleanup_free_ char *path = NULL;
	18
	19	ASSERT_OK(config_parse_path("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &path, NULL));
	20	ASSERT_STREQ(expected, path);
	21	}
	22
	23	static void test_config_parse_log_level_one(const char *rvalue, int expected) {
	24	int log_level = 0;
	25
	26	ASSERT_OK(config_parse_log_level("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_level, NULL));
	27	ASSERT_EQ(expected, log_level);
	28	}
	29
	30	static void test_config_parse_log_facility_one(const char *rvalue, int expected) {
	31	int log_facility = 0;
	32
	33	ASSERT_OK(config_parse_log_facility("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_facility, NULL));
	34	ASSERT_EQ(expected, log_facility);
	35	}
	36
	37	static void test_config_parse_iec_size_one(const char *rvalue, size_t expected) {
	38	size_t iec_size = 0;
	39
	40	ASSERT_OK(config_parse_iec_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &iec_size, NULL));
	41	ASSERT_EQ(expected, iec_size);
	42	}
	43
	44	static void test_config_parse_si_uint64_one(const char *rvalue, uint64_t expected) {
	45	uint64_t si_uint64 = 0;
	46
	47	ASSERT_OK(config_parse_si_uint64("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &si_uint64, NULL));
	48	ASSERT_EQ(expected, si_uint64);
	49	}
	50
	51	static void test_config_parse_int_one(const char *rvalue, int expected) {
	52	int v = -1;
	53
	54	ASSERT_OK(config_parse_int("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL));
	55	ASSERT_EQ(expected, v);
	56	}
	57
	58	static void test_config_parse_unsigned_one(const char *rvalue, unsigned expected) {
	59	unsigned v = 0;
	60
	61	ASSERT_OK(config_parse_unsigned("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL));
	62	ASSERT_EQ(expected, v);
	63	}
	64
	65	static void test_config_parse_strv_one(const char rvalue, bool filter_duplicates, char *expected) {
	66	_cleanup_strv_free_ char **strv = NULL;
	67
	68	ASSERT_OK(config_parse_strv("unit", "filename", 1, "section", 1, "lvalue", filter_duplicates, rvalue, &strv, NULL));
	69	ASSERT_TRUE(strv_equal(expected, strv));
	70	}
	71
	72	static void test_config_parse_mode_one(const char *rvalue, mode_t expected) {
	73	mode_t v = 0;
	74
	75	ASSERT_OK(config_parse_mode("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL));
	76	ASSERT_EQ(expected, v);
	77	}
	78
	79	static void test_config_parse_sec_one(const char *rvalue, usec_t expected) {
	80	usec_t v = 0;
	81
	82	ASSERT_OK(config_parse_sec("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL));
	83	ASSERT_EQ(expected, v);
	84	}
	85
	86	static void test_config_parse_nsec_one(const char *rvalue, nsec_t expected) {
	87	nsec_t v = 0;
	88
	89	ASSERT_OK(config_parse_nsec("unit", "filename", 1, "nsection", 1, "lvalue", 0, rvalue, &v, NULL));
	90	ASSERT_EQ(expected, v);
	91	}
	92
	93	static void test_config_parse_iec_uint64_one(const char *rvalue, uint64_t expected) {
	94	uint64_t v = 0;
	95
	96	ASSERT_OK(config_parse_iec_uint64("unit", "filename", 1, "nsection", 1, "lvalue", 0, rvalue, &v, NULL));
	97	ASSERT_EQ(expected, v);
	98	}
	99
	100	TEST(config_parse_path) {
	101	test_config_parse_path_one("/path", "/path");
	102	test_config_parse_path_one("/path//////////", "/path");
	103	test_config_parse_path_one("///path/foo///bar////bar//", "/path/foo/bar/bar");
	104	test_config_parse_path_one("/path//./////hogehoge///.", "/path/hogehoge");
	105	test_config_parse_path_one("/path/\xc3\x80", "/path/\xc3\x80");
	106
	107	test_config_parse_path_one("not_absolute/path", NULL);
	108	test_config_parse_path_one("/path/\xc3\x7f", NULL);
	109	}
	110
	111	TEST(config_parse_log_level) {
	112	test_config_parse_log_level_one("debug", LOG_DEBUG);
	113	test_config_parse_log_level_one("info", LOG_INFO);
	114
	115	test_config_parse_log_level_one("garbage", 0);
	116	}
	117
	118	TEST(config_parse_log_facility) {
	119	test_config_parse_log_facility_one("mail", LOG_MAIL);
	120	test_config_parse_log_facility_one("user", LOG_USER);
	121
	122	test_config_parse_log_facility_one("garbage", 0);
	123	}
	124
	125	TEST(config_parse_iec_size) {
	126	test_config_parse_iec_size_one("1024", 1024);
	127	test_config_parse_iec_size_one("2K", 2048);
	128	test_config_parse_iec_size_one("10M", 10 * 1024 * 1024);
	129	test_config_parse_iec_size_one("1G", 1 * 1024 * 1024 * 1024);
	130	test_config_parse_iec_size_one("0G", 0);
	131	test_config_parse_iec_size_one("0", 0);
	132
	133	test_config_parse_iec_size_one("-982", 0);
	134	test_config_parse_iec_size_one("49874444198739873000000G", 0);
	135	test_config_parse_iec_size_one("garbage", 0);
	136	}
	137
	138	TEST(config_parse_si_uint64) {
	139	test_config_parse_si_uint64_one("1024", 1024);
	140	test_config_parse_si_uint64_one("2K", 2000);
	141	test_config_parse_si_uint64_one("10M", 10 * 1000 * 1000);
	142	test_config_parse_si_uint64_one("1G", 1 * 1000 * 1000 * 1000);
	143	test_config_parse_si_uint64_one("0G", 0);
	144	test_config_parse_si_uint64_one("0", 0);
	145
	146	test_config_parse_si_uint64_one("-982", 0);
	147	test_config_parse_si_uint64_one("49874444198739873000000G", 0);
	148	test_config_parse_si_uint64_one("garbage", 0);
	149	}
	150
	151	TEST(config_parse_int) {
	152	test_config_parse_int_one("1024", 1024);
	153	test_config_parse_int_one("-1024", -1024);
	154	test_config_parse_int_one("0", 0);
	155
	156	test_config_parse_int_one("99999999999999999999999999999999999999999999999999999999", -1);
	157	test_config_parse_int_one("-99999999999999999999999999999999999999999999999999999999", -1);
	158	test_config_parse_int_one("1G", -1);
	159	test_config_parse_int_one("garbage", -1);
	160	}
	161
	162	TEST(config_parse_unsigned) {
	163	test_config_parse_unsigned_one("10241024", 10241024);
	164	test_config_parse_unsigned_one("1024", 1024);
	165	test_config_parse_unsigned_one("0", 0);
	166
	167	test_config_parse_unsigned_one("99999999999999999999999999999999999999999999999999999999", 0);
	168	test_config_parse_unsigned_one("1G", 0);
	169	test_config_parse_unsigned_one("garbage", 0);
	170	test_config_parse_unsigned_one("1000garbage", 0);
	171	}
	172
	173	TEST(config_parse_strv) {
	174	test_config_parse_strv_one("", false, STRV_EMPTY);
	175	test_config_parse_strv_one("foo", false, STRV_MAKE("foo"));
	176	test_config_parse_strv_one("foo bar foo", false, STRV_MAKE("foo", "bar", "foo"));
	177	test_config_parse_strv_one("\"foo bar\" foo", false, STRV_MAKE("foo bar", "foo"));
	178	test_config_parse_strv_one("\xc3\x80", false, STRV_MAKE("\xc3\x80"));
	179	test_config_parse_strv_one("\xc3\x7f", false, STRV_MAKE("\xc3\x7f"));
	180
	181	test_config_parse_strv_one("", true, STRV_EMPTY);
	182	test_config_parse_strv_one("foo", true, STRV_MAKE("foo"));
	183	test_config_parse_strv_one("foo bar foo", true, STRV_MAKE("foo", "bar"));
	184	test_config_parse_strv_one("\"foo bar\" foo", true, STRV_MAKE("foo bar", "foo"));
	185	test_config_parse_strv_one("\xc3\x80", true, STRV_MAKE("\xc3\x80"));
	186	test_config_parse_strv_one("\xc3\x7f", true, STRV_MAKE("\xc3\x7f"));
	187	}
	188
	189	TEST(config_parse_mode) {
	190	test_config_parse_mode_one("777", 0777);
	191	test_config_parse_mode_one("644", 0644);
	192
	193	test_config_parse_mode_one("-777", 0);
	194	test_config_parse_mode_one("999", 0);
	195	test_config_parse_mode_one("garbage", 0);
	196	test_config_parse_mode_one("777garbage", 0);
	197	test_config_parse_mode_one("777 garbage", 0);
	198	}
	199
	200	TEST(config_parse_sec) {
	201	test_config_parse_sec_one("1", 1 * USEC_PER_SEC);
	202	test_config_parse_sec_one("1s", 1 * USEC_PER_SEC);
	203	test_config_parse_sec_one("100ms", 100 * USEC_PER_MSEC);
	204	test_config_parse_sec_one("5min 20s", 5 * 60 * USEC_PER_SEC + 20 * USEC_PER_SEC);
	205
	206	test_config_parse_sec_one("-1", 0);
	207	test_config_parse_sec_one("10foo", 0);
	208	test_config_parse_sec_one("garbage", 0);
	209	}
	210
	211	TEST(config_parse_nsec) {
	212	test_config_parse_nsec_one("1", 1);
	213	test_config_parse_nsec_one("1s", 1 * NSEC_PER_SEC);
	214	test_config_parse_nsec_one("100ms", 100 * NSEC_PER_MSEC);
	215	test_config_parse_nsec_one("5min 20s", 5 * 60 * NSEC_PER_SEC + 20 * NSEC_PER_SEC);
	216
	217	test_config_parse_nsec_one("-1", 0);
	218	test_config_parse_nsec_one("10foo", 0);
	219	test_config_parse_nsec_one("garbage", 0);
	220	}
	221
	222	TEST(config_parse_iec_uint64) {
	223	test_config_parse_iec_uint64_one("4M", UINT64_C(4 * 1024 * 1024));
	224	test_config_parse_iec_uint64_one("4.5M", UINT64_C((4 * 1024 + 512) * 1024));
	225	}
	226
	227	#define x10(x) x x x x x x x x x x
	228	#define x100(x) x10(x10(x))
	229	#define x1000(x) x10(x100(x))
	230
	231	static const char* const config_file[] = {
	232	"[Section]\n"
	233	"setting1=1\n",
	234
	235	"[Section]\n"
	236	"setting1=1", /* no terminating newline */
	237
	238	"\n\n\n\n[Section]\n\n\n"
	239	"setting1=1", /* some whitespace, no terminating newline */
	240
	241	"[Section]\n"
	242	"[Section]\n"
	243	"setting1=1\n"
	244	"setting1= 2 \t\n"
	245	"setting1= 1\n", /* repeated settings */
	246
	247	"[Section]\n"
	248	"[Section]\n"
	249	"setting1=1\n"
	250	"setting1=2\\\n"
	251	" \n" /* empty line breaks continuation */
	252	"setting1=1\n", /* repeated settings */
	253
	254	"[Section]\n"
	255	"setting1=1\\\n" /* normal continuation */
	256	"2\\\n"
	257	"3\n",
	258
	259	"[Section]\n"
	260	"#hogehoge\\\n" /* continuation is ignored in comment */
	261	"setting1=1\\\n" /* normal continuation */
	262	"2\\\n"
	263	"3\n",
	264
	265	"[Section]\n"
	266	"setting1=1\\\n" /* normal continuation */
	267	"#hogehoge\\\n" /* commented out line in continuation is ignored */
	268	"2\\\n"
	269	"3\n",
	270
	271	"[Section]\n"
	272	" #hogehoge\\\n" /* whitespaces before comments */
	273	" setting1=1\\\n" /* whitespaces before key */
	274	"2\\\n"
	275	"3\n",
	276
	277	"[Section]\n"
	278	" setting1=1\\\n" /* whitespaces before key */
	279	" #hogehoge\\\n" /* commented out line prefixed with whitespaces in continuation */
	280	"2\\\n"
	281	"3\n",
	282
	283	"[Section]\n"
	284	"setting1=1\\\n" /* continuation with extra trailing backslash at the end */
	285	"2\\\n"
	286	"3\\\n",
	287
	288	"[Section]\n"
	289	"setting1=1\\\\\\\n" /* continuation with trailing escape symbols */
	290	"\\\\2\n", /* note that C requires one level of escaping, so the
	291	* parser gets "…1 BS BS BS NL BS BS 2 NL", which
	292	* it translates into "…1 BS BS SP BS BS 2" */
	293
	294	"\n[Section]\n\n"
	295	"setting1=" /* a line above LINE_MAX length */
	296	x1000("ABCD")
	297	"\n",
	298
	299	"[Section]\n"
	300	"setting1=" /* a line above LINE_MAX length, with continuation */
	301	x1000("ABCD") "\\\n"
	302	"foobar",
	303
	304	"[Section]\n"
	305	"setting1=" /* a line above LINE_MAX length, with continuation */
	306	x1000("ABCD") "\\\n" /* and an extra trailing backslash */
	307	"foobar\\\n",
	308
	309	"[Section]\n"
	310	"setting1=" /* a line above the allowed limit: 9 + 1050000 + 1 */
	311	x1000(x1000("x") x10("abcde")) "\n",
	312
	313	"[Section]\n"
	314	"setting1=" /* many continuation lines, together above the limit */
	315	x1000(x1000("x") x10("abcde") "\\\n") "xxx",
	316
	317	"[Section]\n"
	318	"setting1=2\n"
	319	"[NoWarnSection]\n"
	320	"setting1=3\n"
	321	"[WarnSection]\n"
	322	"setting1=3\n"
	323	"[X-Section]\n"
	324	"setting1=3\n",
	325	};
	326
	327	static void test_config_parse_one(unsigned i, const char *s) {
	328	_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-conf-parser.XXXXXX";
	329	_cleanup_fclose_ FILE *f = NULL;
	330	_cleanup_free_ char *setting1 = NULL;
	331	int r;
	332
	333	const ConfigTableItem items[] = {
	334	{ "Section", "setting1", config_parse_string, 0, &setting1},
	335	{}
	336	};
	337
	338	log_info("== %s[%u] ==", __func__, i);
	339
	340	assert_se(fmkostemp_safe(name, "r+", &f) == 0);
	341	assert_se(fwrite(s, strlen(s), 1, f) == 1);
	342	rewind(f);
	343
	344	/*
	345	int config_parse(const char *unit,
	346	const char *filename,
	347	FILE *f,
	348	const char *sections,
	349	ConfigItemLookup lookup,
	350	const void *table,
	351	ConfigParseFlags flags,
	352	void *userdata,
	353	struct stat *ret_stat);
	354	*/
	355
	356	r = config_parse(NULL, name, f,
	357	"Section\0"
	358	"-NoWarnSection\0",
	359	config_item_table_lookup, items,
	360	CONFIG_PARSE_WARN,
	361	NULL,
	362	NULL);
	363
	364	switch (i) {
	365	case 0 ... 4:
	366	assert_se(r == 1);
	367	ASSERT_STREQ(setting1, "1");
	368	break;
	369
	370	case 5 ... 10:
	371	assert_se(r == 1);
	372	ASSERT_STREQ(setting1, "1 2 3");
	373	break;
	374
	375	case 11:
	376	assert_se(r == 1);
	377	ASSERT_STREQ(setting1, "1\\\\ \\\\2");
	378	break;
	379
	380	case 12:
	381	assert_se(r == 1);
	382	ASSERT_STREQ(setting1, x1000("ABCD"));
	383	break;
	384
	385	case 13 ... 14:
	386	assert_se(r == 1);
	387	ASSERT_STREQ(setting1, x1000("ABCD") " foobar");
	388	break;
	389
	390	case 15 ... 16:
	391	assert_se(r == -ENOBUFS);
	392	ASSERT_NULL(setting1);
	393	break;
	394
	395	case 17:
	396	assert_se(r == 1);
	397	ASSERT_STREQ(setting1, "2");
	398	break;
	399	}
	400	}
	401
	402	TEST(config_parse) {
	403	for (unsigned i = 0; i < ELEMENTSOF(config_file); i++)
	404	test_config_parse_one(i, config_file[i]);
	405	}
	406
	407	TEST(config_parse_standard_file_with_dropins_full) {
	408	_cleanup_(rm_rf_physical_and_freep) char *root = NULL;
	409	_cleanup_close_ int rfd = -EBADF;
	410	int r;
	411
	412	ASSERT_OK(rfd = mkdtemp_open("/tmp/test-config-parse-XXXXXX", 0, &root));
	413	assert_se(mkdir_p_root(root, "/etc/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755));
	414	assert_se(mkdir_p_root(root, "/run/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755));
	415	assert_se(mkdir_p_root(root, "/usr/lib/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755));
	416	assert_se(mkdir_p_root(root, "/usr/local/lib/kernel/install.conf.d", UID_INVALID, GID_INVALID, 0755));
	417
	418	assert_se(write_string_file_at(rfd, "usr/lib/kernel/install.conf", /* this one is ignored */
	419	"A=!!!", WRITE_STRING_FILE_CREATE) == 0);
	420	assert_se(write_string_file_at(rfd, "usr/local/lib/kernel/install.conf",
	421	"A=aaa", WRITE_STRING_FILE_CREATE) == 0);
	422	assert_se(write_string_file_at(rfd, "usr/local/lib/kernel/install.conf.d/drop1.conf",
	423	"B=bbb", WRITE_STRING_FILE_CREATE) == 0);
	424	assert_se(write_string_file_at(rfd, "usr/local/lib/kernel/install.conf.d/drop2.conf",
	425	"C=c1", WRITE_STRING_FILE_CREATE) == 0);
	426	assert_se(write_string_file_at(rfd, "usr/lib/kernel/install.conf.d/drop2.conf", /* this one is ignored */
	427	"C=c2", WRITE_STRING_FILE_CREATE) == 0);
	428	assert_se(write_string_file_at(rfd, "run/kernel/install.conf.d/drop3.conf",
	429	"D=ddd", WRITE_STRING_FILE_CREATE) == 0);
	430	assert_se(write_string_file_at(rfd, "etc/kernel/install.conf.d/drop4.conf",
	431	"E=eee", WRITE_STRING_FILE_CREATE) == 0);
	432
	433	_cleanup_free_ char A = NULL, B = NULL, C = NULL, D = NULL, E = NULL, F = NULL;
	434	_cleanup_strv_free_ char **dropins = NULL;
	435
	436	const ConfigTableItem items[] = {
	437	{ NULL, "A", config_parse_string, 0, &A},
	438	{ NULL, "B", config_parse_string, 0, &B},
	439	{ NULL, "C", config_parse_string, 0, &C},
	440	{ NULL, "D", config_parse_string, 0, &D},
	441	{ NULL, "E", config_parse_string, 0, &E},
	442	{ NULL, "F", config_parse_string, 0, &F},
	443	{}
	444	};
	445
	446	r = config_parse_standard_file_with_dropins_full(
	447	root, "kernel/install.conf",
	448	/* sections= */ NULL,
	449	config_item_table_lookup, items,
	450	CONFIG_PARSE_WARN,
	451	/* userdata= */ NULL,
	452	/* ret_stats_by_path= */ NULL,
	453	/* ret_dropin_files= */ &dropins);
	454	assert_se(r >= 0);
	455	ASSERT_STREQ(A, "aaa");
	456	ASSERT_STREQ(B, "bbb");
	457	ASSERT_STREQ(C, "c1");
	458	ASSERT_STREQ(D, "ddd");
	459	ASSERT_STREQ(E, "eee");
	460	ASSERT_STREQ(F, NULL);
	461
	462	A = mfree(A);
	463	B = mfree(B);
	464	C = mfree(C);
	465	D = mfree(D);
	466	E = mfree(E);
	467
	468	assert_se(strv_length(dropins) == 4);
	469
	470	/* Make sure that we follow symlinks */
	471	assert_se(mkdir_p_root(root, "/etc/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755));
	472	assert_se(mkdir_p_root(root, "/run/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755));
	473	assert_se(mkdir_p_root(root, "/usr/lib/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755));
	474	assert_se(mkdir_p_root(root, "/usr/local/lib/kernel/install2.conf.d", UID_INVALID, GID_INVALID, 0755));
	475
	476	/* (Those symlinks are only useful relative to <root>. */
	477	assert_se(symlinkat("/usr/lib/kernel/install.conf", rfd, "usr/lib/kernel/install2.conf") == 0);
	478	assert_se(symlinkat("/usr/local/lib/kernel/install.conf", rfd, "usr/local/lib/kernel/install2.conf") == 0);
	479	assert_se(symlinkat("/usr/local/lib/kernel/install.conf.d/drop1.conf", rfd, "usr/local/lib/kernel/install2.conf.d/drop1.conf") == 0);
	480	assert_se(symlinkat("/usr/local/lib/kernel/install.conf.d/drop2.conf", rfd, "usr/local/lib/kernel/install2.conf.d/drop2.conf") == 0);
	481	assert_se(symlinkat("/usr/lib/kernel/install.conf.d/drop2.conf", rfd, "usr/lib/kernel/install2.conf.d/drop2.conf") == 0);
	482	assert_se(symlinkat("/run/kernel/install.conf.d/drop3.conf", rfd, "run/kernel/install2.conf.d/drop3.conf") == 0);
	483	assert_se(symlinkat("/etc/kernel/install.conf.d/drop4.conf", rfd, "etc/kernel/install2.conf.d/drop4.conf") == 0);
	484
	485	r = config_parse_standard_file_with_dropins_full(
	486	root, "kernel/install2.conf",
	487	/* sections= */ NULL,
	488	config_item_table_lookup, items,
	489	CONFIG_PARSE_WARN,
	490	/* userdata= */ NULL,
	491	/* ret_stats_by_path= */ NULL,
	492	/* ret_dropin_files= */ NULL);
	493	assert_se(r >= 0);
	494	ASSERT_STREQ(A, "aaa");
	495	ASSERT_STREQ(B, "bbb");
	496	ASSERT_STREQ(C, "c1");
	497	ASSERT_STREQ(D, "ddd");
	498	ASSERT_STREQ(E, "eee");
	499	ASSERT_STREQ(F, NULL);
	500	}
	501
	502	DEFINE_TEST_MAIN(LOG_INFO);