/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include "conf-parser.h" #include "fd-util.h" #include "fs-util.h" #include "log.h" #include "macro.h" #include "string-util.h" #include "strv.h" #include "tmpfile-util.h" #include "util.h" static void test_config_parse_path_one(const char *rvalue, const char *expected) { _cleanup_free_ char *path = NULL; assert_se(config_parse_path("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &path, NULL) >= 0); assert_se(streq_ptr(expected, path)); } static void test_config_parse_log_level_one(const char *rvalue, int expected) { int log_level = 0; assert_se(config_parse_log_level("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_level, NULL) >= 0); assert_se(expected == log_level); } static void test_config_parse_log_facility_one(const char *rvalue, int expected) { int log_facility = 0; assert_se(config_parse_log_facility("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_facility, NULL) >= 0); assert_se(expected == log_facility); } static void test_config_parse_iec_size_one(const char *rvalue, size_t expected) { size_t iec_size = 0; assert_se(config_parse_iec_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &iec_size, NULL) >= 0); assert_se(expected == iec_size); } static void test_config_parse_si_uint64_one(const char *rvalue, uint64_t expected) { uint64_t si_uint64 = 0; assert_se(config_parse_si_uint64("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &si_uint64, NULL) >= 0); assert_se(expected == si_uint64); } static void test_config_parse_int_one(const char *rvalue, int expected) { int v = -1; assert_se(config_parse_int("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0); assert_se(expected == v); } static void test_config_parse_unsigned_one(const char *rvalue, unsigned expected) { unsigned v = 0; assert_se(config_parse_unsigned("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0); assert_se(expected == v); } static void test_config_parse_strv_one(const char *rvalue, char **expected) { _cleanup_strv_free_ char **strv = NULL; assert_se(config_parse_strv("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &strv, NULL) >= 0); assert_se(strv_equal(expected, strv)); } static void test_config_parse_mode_one(const char *rvalue, mode_t expected) { mode_t v = 0; assert_se(config_parse_mode("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0); assert_se(expected == v); } static void test_config_parse_sec_one(const char *rvalue, usec_t expected) { usec_t v = 0; assert_se(config_parse_sec("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0); assert_se(expected == v); } static void test_config_parse_nsec_one(const char *rvalue, nsec_t expected) { nsec_t v = 0; assert_se(config_parse_nsec("unit", "filename", 1, "nsection", 1, "lvalue", 0, rvalue, &v, NULL) >= 0); assert_se(expected == v); } static void test_config_parse_path(void) { 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); } static void test_config_parse_log_level(void) { 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); } static void test_config_parse_log_facility(void) { 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); } static void test_config_parse_iec_size(void) { 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); } static void test_config_parse_si_uint64(void) { 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); } static void test_config_parse_int(void) { 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); } static void test_config_parse_unsigned(void) { 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); } static void test_config_parse_strv(void) { test_config_parse_strv_one("", STRV_MAKE_EMPTY); test_config_parse_strv_one("foo", STRV_MAKE("foo")); test_config_parse_strv_one("foo bar foo", STRV_MAKE("foo", "bar", "foo")); test_config_parse_strv_one("\"foo bar\" foo", STRV_MAKE("foo bar", "foo")); test_config_parse_strv_one("\xc3\x80", STRV_MAKE("\xc3\x80")); test_config_parse_strv_one("\xc3\x7f", STRV_MAKE("\xc3\x7f")); } static void test_config_parse_mode(void) { 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); } static void test_config_parse_sec(void) { 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); } static void test_config_parse_nsec(void) { 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); } static void test_config_parse_iec_uint64(void) { uint64_t offset = 0; assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4M", &offset, NULL) == 0); assert_se(offset == 4 * 1024 * 1024); assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4.5M", &offset, NULL) == 0); } #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(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[%i] ==", __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, usec_t *ret_mtime) */ 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_se(streq(setting1, "1")); break; case 5 ... 10: assert_se(r == 1); assert_se(streq(setting1, "1 2 3")); break; case 11: assert_se(r == 1); assert_se(streq(setting1, "1\\\\ \\\\2")); break; case 12: assert_se(r == 1); assert_se(streq(setting1, x1000("ABCD"))); break; case 13 ... 14: assert_se(r == 1); assert_se(streq(setting1, x1000("ABCD") " foobar")); break; case 15 ... 16: assert_se(r == -ENOBUFS); assert_se(setting1 == NULL); break; case 17: assert_se(r == 1); assert_se(streq(setting1, "2")); break; } } int main(int argc, char **argv) { unsigned i; log_parse_environment(); log_open(); test_config_parse_path(); test_config_parse_log_level(); test_config_parse_log_facility(); test_config_parse_iec_size(); test_config_parse_si_uint64(); test_config_parse_int(); test_config_parse_unsigned(); test_config_parse_strv(); test_config_parse_mode(); test_config_parse_sec(); test_config_parse_nsec(); test_config_parse_iec_uint64(); for (i = 0; i < ELEMENTSOF(config_file); i++) test_config_parse(i, config_file[i]); return 0; }