/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2010 Lennart Poettering Copyright 2013 Thomas H.P. Andersen systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <errno.h> #include <fcntl.h> #include <signal.h> #include <string.h> #include <sys/types.h> #include <sys/wait.h> #include <sys/xattr.h> #include <unistd.h> #include "alloc-util.h" #include "conf-parser.h" #include "cpu-set-util.h" #include "def.h" #include "escape.h" #include "fd-util.h" #include "fileio.h" #include "fs-util.h" #include "fstab-util.h" #include "glob-util.h" #include "hexdecoct.h" #include "io-util.h" #include "mkdir.h" #include "parse-util.h" #include "path-util.h" #include "proc-cmdline.h" #include "process-util.h" #include "rm-rf.h" #include "signal-util.h" #include "special.h" #include "stat-util.h" #include "string-util.h" #include "strv.h" #include "user-util.h" #include "util.h" #include "virt.h" #include "web-util.h" #include "xattr-util.h" static void test_streq_ptr(void) { assert_se(streq_ptr(NULL, NULL)); assert_se(!streq_ptr("abc", "cdef")); } static void test_align_power2(void) { unsigned long i, p2; assert_se(ALIGN_POWER2(0) == 0); assert_se(ALIGN_POWER2(1) == 1); assert_se(ALIGN_POWER2(2) == 2); assert_se(ALIGN_POWER2(3) == 4); assert_se(ALIGN_POWER2(12) == 16); assert_se(ALIGN_POWER2(ULONG_MAX) == 0); assert_se(ALIGN_POWER2(ULONG_MAX - 1) == 0); assert_se(ALIGN_POWER2(ULONG_MAX - 1024) == 0); assert_se(ALIGN_POWER2(ULONG_MAX / 2) == ULONG_MAX / 2 + 1); assert_se(ALIGN_POWER2(ULONG_MAX + 1) == 0); for (i = 1; i < 131071; ++i) { for (p2 = 1; p2 < i; p2 <<= 1) /* empty */ ; assert_se(ALIGN_POWER2(i) == p2); } for (i = ULONG_MAX - 1024; i < ULONG_MAX; ++i) { for (p2 = 1; p2 && p2 < i; p2 <<= 1) /* empty */ ; assert_se(ALIGN_POWER2(i) == p2); } } static void test_max(void) { static const struct { int a; int b[CONST_MAX(10, 100)]; } val1 = { .a = CONST_MAX(10, 100), }; int d = 0; assert_cc(sizeof(val1.b) == sizeof(int) * 100); /* CONST_MAX returns (void) instead of a value if the passed arguments * are not of the same type or not constant expressions. */ assert_cc(__builtin_types_compatible_p(typeof(CONST_MAX(1, 10)), int)); assert_cc(__builtin_types_compatible_p(typeof(CONST_MAX(1, 1U)), void)); assert_se(val1.a == 100); assert_se(MAX(++d, 0) == 1); assert_se(d == 1); assert_cc(MAXSIZE(char[3], uint16_t) == 3); assert_cc(MAXSIZE(char[3], uint32_t) == 4); assert_cc(MAXSIZE(char, long) == sizeof(long)); assert_se(MAX(-5, 5) == 5); assert_se(MAX(5, 5) == 5); assert_se(MAX(MAX(1, MAX(2, MAX(3, 4))), 5) == 5); assert_se(MAX(MAX(1, MAX(2, MAX(3, 2))), 1) == 3); assert_se(MAX(MIN(1, MIN(2, MIN(3, 4))), 5) == 5); assert_se(MAX(MAX(1, MIN(2, MIN(3, 2))), 1) == 2); assert_se(LESS_BY(8, 4) == 4); assert_se(LESS_BY(8, 8) == 0); assert_se(LESS_BY(4, 8) == 0); assert_se(LESS_BY(16, LESS_BY(8, 4)) == 12); assert_se(LESS_BY(4, LESS_BY(8, 4)) == 0); assert_se(CLAMP(-5, 0, 1) == 0); assert_se(CLAMP(5, 0, 1) == 1); assert_se(CLAMP(5, -10, 1) == 1); assert_se(CLAMP(5, -10, 10) == 5); assert_se(CLAMP(CLAMP(0, -10, 10), CLAMP(-5, 10, 20), CLAMP(100, -5, 20)) == 10); } static void test_container_of(void) { struct mytype { uint8_t pad1[3]; uint64_t v1; uint8_t pad2[2]; uint32_t v2; } _packed_ myval = { }; assert_cc(sizeof(myval) == 17); assert_se(container_of(&myval.v1, struct mytype, v1) == &myval); assert_se(container_of(&myval.v2, struct mytype, v2) == &myval); assert_se(container_of(&container_of(&myval.v2, struct mytype, v2)->v1, struct mytype, v1) == &myval); } static void test_alloca(void) { static const uint8_t zero[997] = { }; char *t; t = alloca_align(17, 512); assert_se(!((uintptr_t)t & 0xff)); memzero(t, 17); t = alloca0_align(997, 1024); assert_se(!((uintptr_t)t & 0x1ff)); assert_se(!memcmp(t, zero, 997)); } static void test_div_round_up(void) { int div; /* basic tests */ assert_se(DIV_ROUND_UP(0, 8) == 0); assert_se(DIV_ROUND_UP(1, 8) == 1); assert_se(DIV_ROUND_UP(8, 8) == 1); assert_se(DIV_ROUND_UP(12, 8) == 2); assert_se(DIV_ROUND_UP(16, 8) == 2); /* test multiple evaluation */ div = 0; assert_se(DIV_ROUND_UP(div++, 8) == 0 && div == 1); assert_se(DIV_ROUND_UP(++div, 8) == 1 && div == 2); assert_se(DIV_ROUND_UP(8, div++) == 4 && div == 3); assert_se(DIV_ROUND_UP(8, ++div) == 2 && div == 4); /* overflow test with exact division */ assert_se(sizeof(0U) == 4); assert_se(0xfffffffaU % 10U == 0U); assert_se(0xfffffffaU / 10U == 429496729U); assert_se(DIV_ROUND_UP(0xfffffffaU, 10U) == 429496729U); assert_se((0xfffffffaU + 10U - 1U) / 10U == 0U); assert_se(0xfffffffaU / 10U + !!(0xfffffffaU % 10U) == 429496729U); /* overflow test with rounded division */ assert_se(0xfffffffdU % 10U == 3U); assert_se(0xfffffffdU / 10U == 429496729U); assert_se(DIV_ROUND_UP(0xfffffffdU, 10U) == 429496730U); assert_se((0xfffffffdU + 10U - 1U) / 10U == 0U); assert_se(0xfffffffdU / 10U + !!(0xfffffffdU % 10U) == 429496730U); } static void test_first_word(void) { assert_se(first_word("Hello", "")); assert_se(first_word("Hello", "Hello")); assert_se(first_word("Hello world", "Hello")); assert_se(first_word("Hello\tworld", "Hello")); assert_se(first_word("Hello\nworld", "Hello")); assert_se(first_word("Hello\rworld", "Hello")); assert_se(first_word("Hello ", "Hello")); assert_se(!first_word("Hello", "Hellooo")); assert_se(!first_word("Hello", "xxxxx")); assert_se(!first_word("Hellooo", "Hello")); } static void test_close_many(void) { int fds[3]; char name0[] = "/tmp/test-close-many.XXXXXX"; char name1[] = "/tmp/test-close-many.XXXXXX"; char name2[] = "/tmp/test-close-many.XXXXXX"; fds[0] = mkostemp_safe(name0, O_RDWR|O_CLOEXEC); fds[1] = mkostemp_safe(name1, O_RDWR|O_CLOEXEC); fds[2] = mkostemp_safe(name2, O_RDWR|O_CLOEXEC); close_many(fds, 2); assert_se(fcntl(fds[0], F_GETFD) == -1); assert_se(fcntl(fds[1], F_GETFD) == -1); assert_se(fcntl(fds[2], F_GETFD) >= 0); safe_close(fds[2]); unlink(name0); unlink(name1); unlink(name2); } static void test_parse_uid(void) { int r; uid_t uid; r = parse_uid("100", &uid); assert_se(r == 0); assert_se(uid == 100); r = parse_uid("65535", &uid); assert_se(r == -ENXIO); r = parse_uid("asdsdas", &uid); assert_se(r == -EINVAL); } static void test_strappend(void) { _cleanup_free_ char *t1, *t2, *t3, *t4; t1 = strappend(NULL, NULL); assert_se(streq(t1, "")); t2 = strappend(NULL, "suf"); assert_se(streq(t2, "suf")); t3 = strappend("pre", NULL); assert_se(streq(t3, "pre")); t4 = strappend("pre", "suf"); assert_se(streq(t4, "presuf")); } static void test_strstrip(void) { char *r; char input[] = " hello, waldo. "; r = strstrip(input); assert_se(streq(r, "hello, waldo.")); } static void test_delete_chars(void) { char *r; char input[] = " hello, waldo. abc"; r = delete_chars(input, WHITESPACE); assert_se(streq(r, "hello,waldo.abc")); } static void test_in_charset(void) { assert_se(in_charset("dddaaabbbcccc", "abcd")); assert_se(!in_charset("dddaaabbbcccc", "abc f")); } static void test_hexchar(void) { assert_se(hexchar(0xa) == 'a'); assert_se(hexchar(0x0) == '0'); } static void test_unhexchar(void) { assert_se(unhexchar('a') == 0xA); assert_se(unhexchar('A') == 0xA); assert_se(unhexchar('0') == 0x0); } static void test_base32hexchar(void) { assert_se(base32hexchar(0) == '0'); assert_se(base32hexchar(9) == '9'); assert_se(base32hexchar(10) == 'A'); assert_se(base32hexchar(31) == 'V'); } static void test_unbase32hexchar(void) { assert_se(unbase32hexchar('0') == 0); assert_se(unbase32hexchar('9') == 9); assert_se(unbase32hexchar('A') == 10); assert_se(unbase32hexchar('V') == 31); assert_se(unbase32hexchar('=') == -EINVAL); } static void test_base64char(void) { assert_se(base64char(0) == 'A'); assert_se(base64char(26) == 'a'); assert_se(base64char(63) == '/'); } static void test_unbase64char(void) { assert_se(unbase64char('A') == 0); assert_se(unbase64char('Z') == 25); assert_se(unbase64char('a') == 26); assert_se(unbase64char('z') == 51); assert_se(unbase64char('0') == 52); assert_se(unbase64char('9') == 61); assert_se(unbase64char('+') == 62); assert_se(unbase64char('/') == 63); assert_se(unbase64char('=') == -EINVAL); } static void test_octchar(void) { assert_se(octchar(00) == '0'); assert_se(octchar(07) == '7'); } static void test_unoctchar(void) { assert_se(unoctchar('0') == 00); assert_se(unoctchar('7') == 07); } static void test_decchar(void) { assert_se(decchar(0) == '0'); assert_se(decchar(9) == '9'); } static void test_undecchar(void) { assert_se(undecchar('0') == 0); assert_se(undecchar('9') == 9); } static void test_unhexmem(void) { const char *hex = "efa214921"; const char *hex_invalid = "efa214921o"; _cleanup_free_ char *hex2 = NULL; _cleanup_free_ void *mem = NULL; size_t len; assert_se(unhexmem(hex, strlen(hex), &mem, &len) == 0); assert_se(unhexmem(hex, strlen(hex) + 1, &mem, &len) == -EINVAL); assert_se(unhexmem(hex_invalid, strlen(hex_invalid), &mem, &len) == -EINVAL); assert_se((hex2 = hexmem(mem, len))); free(mem); assert_se(memcmp(hex, hex2, strlen(hex)) == 0); free(hex2); assert_se(unhexmem(hex, strlen(hex) - 1, &mem, &len) == 0); assert_se((hex2 = hexmem(mem, len))); assert_se(memcmp(hex, hex2, strlen(hex) - 1) == 0); } /* https://tools.ietf.org/html/rfc4648#section-10 */ static void test_base32hexmem(void) { char *b32; b32 = base32hexmem("", strlen(""), true); assert_se(b32); assert_se(streq(b32, "")); free(b32); b32 = base32hexmem("f", strlen("f"), true); assert_se(b32); assert_se(streq(b32, "CO======")); free(b32); b32 = base32hexmem("fo", strlen("fo"), true); assert_se(b32); assert_se(streq(b32, "CPNG====")); free(b32); b32 = base32hexmem("foo", strlen("foo"), true); assert_se(b32); assert_se(streq(b32, "CPNMU===")); free(b32); b32 = base32hexmem("foob", strlen("foob"), true); assert_se(b32); assert_se(streq(b32, "CPNMUOG=")); free(b32); b32 = base32hexmem("fooba", strlen("fooba"), true); assert_se(b32); assert_se(streq(b32, "CPNMUOJ1")); free(b32); b32 = base32hexmem("foobar", strlen("foobar"), true); assert_se(b32); assert_se(streq(b32, "CPNMUOJ1E8======")); free(b32); b32 = base32hexmem("", strlen(""), false); assert_se(b32); assert_se(streq(b32, "")); free(b32); b32 = base32hexmem("f", strlen("f"), false); assert_se(b32); assert_se(streq(b32, "CO")); free(b32); b32 = base32hexmem("fo", strlen("fo"), false); assert_se(b32); assert_se(streq(b32, "CPNG")); free(b32); b32 = base32hexmem("foo", strlen("foo"), false); assert_se(b32); assert_se(streq(b32, "CPNMU")); free(b32); b32 = base32hexmem("foob", strlen("foob"), false); assert_se(b32); assert_se(streq(b32, "CPNMUOG")); free(b32); b32 = base32hexmem("fooba", strlen("fooba"), false); assert_se(b32); assert_se(streq(b32, "CPNMUOJ1")); free(b32); b32 = base32hexmem("foobar", strlen("foobar"), false); assert_se(b32); assert_se(streq(b32, "CPNMUOJ1E8")); free(b32); } static void test_unbase32hexmem(void) { void *mem; size_t len; assert_se(unbase32hexmem("", strlen(""), true, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "")); free(mem); assert_se(unbase32hexmem("CO======", strlen("CO======"), true, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "f")); free(mem); assert_se(unbase32hexmem("CPNG====", strlen("CPNG===="), true, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "fo")); free(mem); assert_se(unbase32hexmem("CPNMU===", strlen("CPNMU==="), true, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "foo")); free(mem); assert_se(unbase32hexmem("CPNMUOG=", strlen("CPNMUOG="), true, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "foob")); free(mem); assert_se(unbase32hexmem("CPNMUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "fooba")); free(mem); assert_se(unbase32hexmem("CPNMUOJ1E8======", strlen("CPNMUOJ1E8======"), true, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "foobar")); free(mem); assert_se(unbase32hexmem("A", strlen("A"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("A=======", strlen("A======="), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAA=====", strlen("AAA====="), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAAAAA==", strlen("AAAAAA=="), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AB======", strlen("AB======"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAAB====", strlen("AAAB===="), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAAAB===", strlen("AAAAB==="), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAAAAAB=", strlen("AAAAAAB="), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("XPNMUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("CXNMUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("CPXMUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("CPNXUOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("CPNMXOJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("CPNMUXJ1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("CPNMUOX1", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("CPNMUOJX", strlen("CPNMUOJ1"), true, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("", strlen(""), false, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "")); free(mem); assert_se(unbase32hexmem("CO", strlen("CO"), false, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "f")); free(mem); assert_se(unbase32hexmem("CPNG", strlen("CPNG"), false, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "fo")); free(mem); assert_se(unbase32hexmem("CPNMU", strlen("CPNMU"), false, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "foo")); free(mem); assert_se(unbase32hexmem("CPNMUOG", strlen("CPNMUOG"), false, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "foob")); free(mem); assert_se(unbase32hexmem("CPNMUOJ1", strlen("CPNMUOJ1"), false, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "fooba")); free(mem); assert_se(unbase32hexmem("CPNMUOJ1E8", strlen("CPNMUOJ1E8"), false, &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "foobar")); free(mem); assert_se(unbase32hexmem("CPNMUOG=", strlen("CPNMUOG="), false, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("CPNMUOJ1E8======", strlen("CPNMUOJ1E8======"), false, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("A", strlen("A"), false, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("A", strlen("A"), false, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAA", strlen("AAA"), false, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAAAAA", strlen("AAAAAA"), false, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AB", strlen("AB"), false, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAAB", strlen("AAAB"), false, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAAAB", strlen("AAAAB"), false, &mem, &len) == -EINVAL); assert_se(unbase32hexmem("AAAAAAB", strlen("AAAAAAB"), false, &mem, &len) == -EINVAL); } /* https://tools.ietf.org/html/rfc4648#section-10 */ static void test_base64mem(void) { char *b64; b64 = base64mem("", strlen("")); assert_se(b64); assert_se(streq(b64, "")); free(b64); b64 = base64mem("f", strlen("f")); assert_se(b64); assert_se(streq(b64, "Zg==")); free(b64); b64 = base64mem("fo", strlen("fo")); assert_se(b64); assert_se(streq(b64, "Zm8=")); free(b64); b64 = base64mem("foo", strlen("foo")); assert_se(b64); assert_se(streq(b64, "Zm9v")); free(b64); b64 = base64mem("foob", strlen("foob")); assert_se(b64); assert_se(streq(b64, "Zm9vYg==")); free(b64); b64 = base64mem("fooba", strlen("fooba")); assert_se(b64); assert_se(streq(b64, "Zm9vYmE=")); free(b64); b64 = base64mem("foobar", strlen("foobar")); assert_se(b64); assert_se(streq(b64, "Zm9vYmFy")); free(b64); } static void test_unbase64mem(void) { void *mem; size_t len; assert_se(unbase64mem("", strlen(""), &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "")); free(mem); assert_se(unbase64mem("Zg==", strlen("Zg=="), &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "f")); free(mem); assert_se(unbase64mem("Zm8=", strlen("Zm8="), &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "fo")); free(mem); assert_se(unbase64mem("Zm9v", strlen("Zm9v"), &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "foo")); free(mem); assert_se(unbase64mem("Zm9vYg==", strlen("Zm9vYg=="), &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "foob")); free(mem); assert_se(unbase64mem("Zm9vYmE=", strlen("Zm9vYmE="), &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "fooba")); free(mem); assert_se(unbase64mem("Zm9vYmFy", strlen("Zm9vYmFy"), &mem, &len) == 0); assert_se(streq(strndupa(mem, len), "foobar")); free(mem); assert_se(unbase64mem("A", strlen("A"), &mem, &len) == -EINVAL); assert_se(unbase64mem("A====", strlen("A===="), &mem, &len) == -EINVAL); assert_se(unbase64mem("AAB==", strlen("AAB=="), &mem, &len) == -EINVAL); assert_se(unbase64mem("AAAB=", strlen("AAAB="), &mem, &len) == -EINVAL); } static void test_cescape(void) { _cleanup_free_ char *escaped; assert_se(escaped = cescape("abc\\\"\b\f\n\r\t\v\a\003\177\234\313")); assert_se(streq(escaped, "abc\\\\\\\"\\b\\f\\n\\r\\t\\v\\a\\003\\177\\234\\313")); } static void test_cunescape(void) { _cleanup_free_ char *unescaped; assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", 0, &unescaped) < 0); assert_se(cunescape("abc\\\\\\\"\\b\\f\\a\\n\\r\\t\\v\\003\\177\\234\\313\\000\\x00", UNESCAPE_RELAX, &unescaped) >= 0); assert_se(streq_ptr(unescaped, "abc\\\"\b\f\a\n\r\t\v\003\177\234\313\\000\\x00")); unescaped = mfree(unescaped); /* incomplete sequences */ assert_se(cunescape("\\x0", 0, &unescaped) < 0); assert_se(cunescape("\\x0", UNESCAPE_RELAX, &unescaped) >= 0); assert_se(streq_ptr(unescaped, "\\x0")); unescaped = mfree(unescaped); assert_se(cunescape("\\x", 0, &unescaped) < 0); assert_se(cunescape("\\x", UNESCAPE_RELAX, &unescaped) >= 0); assert_se(streq_ptr(unescaped, "\\x")); unescaped = mfree(unescaped); assert_se(cunescape("\\", 0, &unescaped) < 0); assert_se(cunescape("\\", UNESCAPE_RELAX, &unescaped) >= 0); assert_se(streq_ptr(unescaped, "\\")); unescaped = mfree(unescaped); assert_se(cunescape("\\11", 0, &unescaped) < 0); assert_se(cunescape("\\11", UNESCAPE_RELAX, &unescaped) >= 0); assert_se(streq_ptr(unescaped, "\\11")); unescaped = mfree(unescaped); assert_se(cunescape("\\1", 0, &unescaped) < 0); assert_se(cunescape("\\1", UNESCAPE_RELAX, &unescaped) >= 0); assert_se(streq_ptr(unescaped, "\\1")); unescaped = mfree(unescaped); assert_se(cunescape("\\u0000", 0, &unescaped) < 0); assert_se(cunescape("\\u00DF\\U000000df\\u03a0\\U00000041", UNESCAPE_RELAX, &unescaped) >= 0); assert_se(streq_ptr(unescaped, "ßßΠA")); unescaped = mfree(unescaped); assert_se(cunescape("\\073", 0, &unescaped) >= 0); assert_se(streq_ptr(unescaped, ";")); } static void test_foreach_word(void) { const char *word, *state; size_t l; int i = 0; const char test[] = "test abc d\te f "; const char * const expected[] = { "test", "abc", "d", "e", "f", "", NULL }; FOREACH_WORD(word, l, test, state) assert_se(strneq(expected[i++], word, l)); } static void check(const char *test, char** expected, bool trailing) { const char *word, *state; size_t l; int i = 0; printf("<<<%s>>>\n", test); FOREACH_WORD_QUOTED(word, l, test, state) { _cleanup_free_ char *t = NULL; assert_se(t = strndup(word, l)); assert_se(strneq(expected[i++], word, l)); printf("<%s>\n", t); } printf("<<<%s>>>\n", state); assert_se(expected[i] == NULL); assert_se(isempty(state) == !trailing); } static void test_foreach_word_quoted(void) { check("test a b c 'd' e '' '' hhh '' '' \"a b c\"", STRV_MAKE("test", "a", "b", "c", "d", "e", "", "", "hhh", "", "", "a b c"), false); check("test \"xxx", STRV_MAKE("test"), true); check("test\\", STRV_MAKE_EMPTY, true); } static void test_memdup_multiply(void) { int org[] = {1, 2, 3}; int *dup; dup = (int*)memdup_multiply(org, sizeof(int), 3); assert_se(dup); assert_se(dup[0] == 1); assert_se(dup[1] == 2); assert_se(dup[2] == 3); free(dup); } static void test_u64log2(void) { assert_se(u64log2(0) == 0); assert_se(u64log2(8) == 3); assert_se(u64log2(9) == 3); assert_se(u64log2(15) == 3); assert_se(u64log2(16) == 4); assert_se(u64log2(1024*1024) == 20); assert_se(u64log2(1024*1024+5) == 20); } static void test_protect_errno(void) { errno = 12; { PROTECT_ERRNO; errno = 11; } assert_se(errno == 12); } static void test_parse_cpu_set(void) { cpu_set_t *c = NULL; int ncpus; int cpu; /* Simple range (from CPUAffinity example) */ ncpus = parse_cpu_set_and_warn("1 2", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_ISSET_S(1, CPU_ALLOC_SIZE(ncpus), c)); assert_se(CPU_ISSET_S(2, CPU_ALLOC_SIZE(ncpus), c)); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 2); c = mfree(c); /* A more interesting range */ ncpus = parse_cpu_set_and_warn("0 1 2 3 8 9 10 11", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); for (cpu = 0; cpu < 4; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); for (cpu = 8; cpu < 12; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); c = mfree(c); /* Quoted strings */ ncpus = parse_cpu_set_and_warn("8 '9' 10 \"11\"", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 4); for (cpu = 8; cpu < 12; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); c = mfree(c); /* Use commas as separators */ ncpus = parse_cpu_set_and_warn("0,1,2,3 8,9,10,11", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); for (cpu = 0; cpu < 4; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); for (cpu = 8; cpu < 12; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); c = mfree(c); /* Commas with spaces (and trailing comma, space) */ ncpus = parse_cpu_set_and_warn("0, 1, 2, 3, 4, 5, 6, 7, ", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); for (cpu = 0; cpu < 8; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); c = mfree(c); /* Ranges */ ncpus = parse_cpu_set_and_warn("0-3,8-11", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); for (cpu = 0; cpu < 4; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); for (cpu = 8; cpu < 12; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); c = mfree(c); /* Ranges with trailing comma, space */ ncpus = parse_cpu_set_and_warn("0-3 8-11, ", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); for (cpu = 0; cpu < 4; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); for (cpu = 8; cpu < 12; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); c = mfree(c); /* Negative range (returns empty cpu_set) */ ncpus = parse_cpu_set_and_warn("3-0", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 0); c = mfree(c); /* Overlapping ranges */ ncpus = parse_cpu_set_and_warn("0-7 4-11", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 12); for (cpu = 0; cpu < 12; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); c = mfree(c); /* Mix ranges and individual CPUs */ ncpus = parse_cpu_set_and_warn("0,1 4-11", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus >= 1024); assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 10); assert_se(CPU_ISSET_S(0, CPU_ALLOC_SIZE(ncpus), c)); assert_se(CPU_ISSET_S(1, CPU_ALLOC_SIZE(ncpus), c)); for (cpu = 4; cpu < 12; cpu++) assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); c = mfree(c); /* Garbage */ ncpus = parse_cpu_set_and_warn("0 1 2 3 garbage", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus < 0); assert_se(!c); /* Range with garbage */ ncpus = parse_cpu_set_and_warn("0-3 8-garbage", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus < 0); assert_se(!c); /* Empty string */ c = NULL; ncpus = parse_cpu_set_and_warn("", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus == 0); /* empty string returns 0 */ assert_se(!c); /* Runnaway quoted string */ ncpus = parse_cpu_set_and_warn("0 1 2 3 \"4 5 6 7 ", &c, NULL, "fake", 1, "CPUAffinity"); assert_se(ncpus < 0); assert_se(!c); } 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); } static void test_strextend(void) { _cleanup_free_ char *str = strdup("0123"); strextend(&str, "456", "78", "9", NULL); assert_se(streq(str, "0123456789")); } static void test_strrep(void) { _cleanup_free_ char *one, *three, *zero; one = strrep("waldo", 1); three = strrep("waldo", 3); zero = strrep("waldo", 0); assert_se(streq(one, "waldo")); assert_se(streq(three, "waldowaldowaldo")); assert_se(streq(zero, "")); } static void test_split_pair(void) { _cleanup_free_ char *a = NULL, *b = NULL; assert_se(split_pair("", "", &a, &b) == -EINVAL); assert_se(split_pair("foo=bar", "", &a, &b) == -EINVAL); assert_se(split_pair("", "=", &a, &b) == -EINVAL); assert_se(split_pair("foo=bar", "=", &a, &b) >= 0); assert_se(streq(a, "foo")); assert_se(streq(b, "bar")); free(a); free(b); assert_se(split_pair("==", "==", &a, &b) >= 0); assert_se(streq(a, "")); assert_se(streq(b, "")); free(a); free(b); assert_se(split_pair("===", "==", &a, &b) >= 0); assert_se(streq(a, "")); assert_se(streq(b, "=")); } static void test_fstab_node_to_udev_node(void) { char *n; n = fstab_node_to_udev_node("LABEL=applé/jack"); puts(n); assert_se(streq(n, "/dev/disk/by-label/applé\\x2fjack")); free(n); n = fstab_node_to_udev_node("PARTLABEL=pinkié pie"); puts(n); assert_se(streq(n, "/dev/disk/by-partlabel/pinkié\\x20pie")); free(n); n = fstab_node_to_udev_node("UUID=037b9d94-148e-4ee4-8d38-67bfe15bb535"); puts(n); assert_se(streq(n, "/dev/disk/by-uuid/037b9d94-148e-4ee4-8d38-67bfe15bb535")); free(n); n = fstab_node_to_udev_node("PARTUUID=037b9d94-148e-4ee4-8d38-67bfe15bb535"); puts(n); assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535")); free(n); n = fstab_node_to_udev_node("PONIES=awesome"); puts(n); assert_se(streq(n, "PONIES=awesome")); free(n); n = fstab_node_to_udev_node("/dev/xda1"); puts(n); assert_se(streq(n, "/dev/xda1")); free(n); } static void test_get_files_in_directory(void) { _cleanup_strv_free_ char **l = NULL, **t = NULL; assert_se(get_files_in_directory("/tmp", &l) >= 0); assert_se(get_files_in_directory(".", &t) >= 0); assert_se(get_files_in_directory(".", NULL) >= 0); } static void test_in_set(void) { assert_se(IN_SET(1, 1)); assert_se(IN_SET(1, 1, 2, 3, 4)); assert_se(IN_SET(2, 1, 2, 3, 4)); assert_se(IN_SET(3, 1, 2, 3, 4)); assert_se(IN_SET(4, 1, 2, 3, 4)); assert_se(!IN_SET(0, 1)); assert_se(!IN_SET(0, 1, 2, 3, 4)); } static void test_writing_tmpfile(void) { char name[] = "/tmp/test-systemd_writing_tmpfile.XXXXXX"; _cleanup_free_ char *contents = NULL; size_t size; int fd, r; struct iovec iov[3]; IOVEC_SET_STRING(iov[0], "abc\n"); IOVEC_SET_STRING(iov[1], ALPHANUMERICAL "\n"); IOVEC_SET_STRING(iov[2], ""); fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); printf("tmpfile: %s", name); r = writev(fd, iov, 3); assert_se(r >= 0); r = read_full_file(name, &contents, &size); assert_se(r == 0); printf("contents: %s", contents); assert_se(streq(contents, "abc\n" ALPHANUMERICAL "\n")); unlink(name); } static void test_hexdump(void) { uint8_t data[146]; unsigned i; hexdump(stdout, NULL, 0); hexdump(stdout, "", 0); hexdump(stdout, "", 1); hexdump(stdout, "x", 1); hexdump(stdout, "x", 2); hexdump(stdout, "foobar", 7); hexdump(stdout, "f\nobar", 7); hexdump(stdout, "xxxxxxxxxxxxxxxxxxxxyz", 23); for (i = 0; i < ELEMENTSOF(data); i++) data[i] = i*2; hexdump(stdout, data, sizeof(data)); } static void test_log2i(void) { assert_se(log2i(1) == 0); assert_se(log2i(2) == 1); assert_se(log2i(3) == 1); assert_se(log2i(4) == 2); assert_se(log2i(32) == 5); assert_se(log2i(33) == 5); assert_se(log2i(63) == 5); assert_se(log2i(INT_MAX) == sizeof(int)*8-2); } static void test_foreach_string(void) { const char * const t[] = { "foo", "bar", "waldo", NULL }; const char *x; unsigned i = 0; FOREACH_STRING(x, "foo", "bar", "waldo") assert_se(streq_ptr(t[i++], x)); assert_se(i == 3); FOREACH_STRING(x, "zzz") assert_se(streq(x, "zzz")); } static void test_filename_is_valid(void) { char foo[FILENAME_MAX+2]; int i; assert_se(!filename_is_valid("")); assert_se(!filename_is_valid("/bar/foo")); assert_se(!filename_is_valid("/")); assert_se(!filename_is_valid(".")); assert_se(!filename_is_valid("..")); for (i=0; i<FILENAME_MAX+1; i++) foo[i] = 'a'; foo[FILENAME_MAX+1] = '\0'; assert_se(!filename_is_valid(foo)); assert_se(filename_is_valid("foo_bar-333")); assert_se(filename_is_valid("o.o")); } static void test_string_has_cc(void) { assert_se(string_has_cc("abc\1", NULL)); assert_se(string_has_cc("abc\x7f", NULL)); assert_se(string_has_cc("abc\x7f", NULL)); assert_se(string_has_cc("abc\t\x7f", "\t")); assert_se(string_has_cc("abc\t\x7f", "\t")); assert_se(string_has_cc("\x7f", "\t")); assert_se(string_has_cc("\x7f", "\t\a")); assert_se(!string_has_cc("abc\t\t", "\t")); assert_se(!string_has_cc("abc\t\t\a", "\t\a")); assert_se(!string_has_cc("a\ab\tc", "\t\a")); } static void test_ascii_strlower(void) { char a[] = "AabBcC Jk Ii Od LKJJJ kkd LK"; assert_se(streq(ascii_strlower(a), "aabbcc jk ii od lkjjj kkd lk")); } static void test_files_same(void) { _cleanup_close_ int fd = -1; char name[] = "/tmp/test-files_same.XXXXXX"; char name_alias[] = "/tmp/test-files_same.alias"; fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); assert_se(fd >= 0); assert_se(symlink(name, name_alias) >= 0); assert_se(files_same(name, name)); assert_se(files_same(name, name_alias)); unlink(name); unlink(name_alias); } static void test_is_valid_documentation_url(void) { assert_se(documentation_url_is_valid("http://www.freedesktop.org/wiki/Software/systemd")); assert_se(documentation_url_is_valid("https://www.kernel.org/doc/Documentation/binfmt_misc.txt")); assert_se(documentation_url_is_valid("file:/foo/foo")); assert_se(documentation_url_is_valid("man:systemd.special(7)")); assert_se(documentation_url_is_valid("info:bar")); assert_se(!documentation_url_is_valid("foo:")); assert_se(!documentation_url_is_valid("info:")); assert_se(!documentation_url_is_valid("")); } static void test_file_in_same_dir(void) { char *t; t = file_in_same_dir("/", "a"); assert_se(streq(t, "/a")); free(t); t = file_in_same_dir("/", "/a"); assert_se(streq(t, "/a")); free(t); t = file_in_same_dir("", "a"); assert_se(streq(t, "a")); free(t); t = file_in_same_dir("a/", "a"); assert_se(streq(t, "a/a")); free(t); t = file_in_same_dir("bar/foo", "bar"); assert_se(streq(t, "bar/bar")); free(t); } static void test_endswith(void) { assert_se(endswith("foobar", "bar")); assert_se(endswith("foobar", "")); assert_se(endswith("foobar", "foobar")); assert_se(endswith("", "")); assert_se(!endswith("foobar", "foo")); assert_se(!endswith("foobar", "foobarfoofoo")); } static void test_endswith_no_case(void) { assert_se(endswith_no_case("fooBAR", "bar")); assert_se(endswith_no_case("foobar", "")); assert_se(endswith_no_case("foobar", "FOOBAR")); assert_se(endswith_no_case("", "")); assert_se(!endswith_no_case("foobar", "FOO")); assert_se(!endswith_no_case("foobar", "FOOBARFOOFOO")); } static void test_close_nointr(void) { char name[] = "/tmp/test-test-close_nointr.XXXXXX"; int fd; fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); assert_se(fd >= 0); assert_se(close_nointr(fd) >= 0); assert_se(close_nointr(fd) < 0); unlink(name); } static void test_unlink_noerrno(void) { char name[] = "/tmp/test-close_nointr.XXXXXX"; int fd; fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); assert_se(fd >= 0); assert_se(close_nointr(fd) >= 0); { PROTECT_ERRNO; errno = -42; assert_se(unlink_noerrno(name) >= 0); assert_se(errno == -42); assert_se(unlink_noerrno(name) < 0); assert_se(errno == -42); } } static void test_readlink_and_make_absolute(void) { char tempdir[] = "/tmp/test-readlink_and_make_absolute"; char name[] = "/tmp/test-readlink_and_make_absolute/original"; char name2[] = "test-readlink_and_make_absolute/original"; char name_alias[] = "/tmp/test-readlink_and_make_absolute-alias"; char *r = NULL; assert_se(mkdir_safe(tempdir, 0755, getuid(), getgid()) >= 0); assert_se(touch(name) >= 0); assert_se(symlink(name, name_alias) >= 0); assert_se(readlink_and_make_absolute(name_alias, &r) >= 0); assert_se(streq(r, name)); free(r); assert_se(unlink(name_alias) >= 0); assert_se(chdir(tempdir) >= 0); assert_se(symlink(name2, name_alias) >= 0); assert_se(readlink_and_make_absolute(name_alias, &r) >= 0); assert_se(streq(r, name)); free(r); assert_se(unlink(name_alias) >= 0); assert_se(rm_rf(tempdir, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0); } static void test_ignore_signals(void) { assert_se(ignore_signals(SIGINT, -1) >= 0); assert_se(kill(getpid(), SIGINT) >= 0); assert_se(ignore_signals(SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0); assert_se(kill(getpid(), SIGUSR1) >= 0); assert_se(kill(getpid(), SIGUSR2) >= 0); assert_se(kill(getpid(), SIGTERM) >= 0); assert_se(kill(getpid(), SIGPIPE) >= 0); assert_se(default_signals(SIGINT, SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0); } static void test_strshorten(void) { char s[] = "foobar"; assert_se(strlen(strshorten(s, 6)) == 6); assert_se(strlen(strshorten(s, 12)) == 6); assert_se(strlen(strshorten(s, 2)) == 2); assert_se(strlen(strshorten(s, 0)) == 0); } static void test_strjoina(void) { char *actual; actual = strjoina("", "foo", "bar"); assert_se(streq(actual, "foobar")); actual = strjoina("foo", "bar", "baz"); assert_se(streq(actual, "foobarbaz")); actual = strjoina("foo", "", "bar", "baz"); assert_se(streq(actual, "foobarbaz")); actual = strjoina("foo"); assert_se(streq(actual, "foo")); actual = strjoina(NULL); assert_se(streq(actual, "")); actual = strjoina(NULL, "foo"); assert_se(streq(actual, "")); actual = strjoina("foo", NULL, "bar"); assert_se(streq(actual, "foo")); } static void test_is_symlink(void) { char name[] = "/tmp/test-is_symlink.XXXXXX"; char name_link[] = "/tmp/test-is_symlink.link"; _cleanup_close_ int fd = -1; fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); assert_se(fd >= 0); assert_se(symlink(name, name_link) >= 0); assert_se(is_symlink(name) == 0); assert_se(is_symlink(name_link) == 1); assert_se(is_symlink("/a/file/which/does/not/exist/i/guess") < 0); unlink(name); unlink(name_link); } static void test_search_and_fopen(void) { const char *dirs[] = {"/tmp/foo/bar", "/tmp", NULL}; char name[] = "/tmp/test-search_and_fopen.XXXXXX"; int fd = -1; int r; FILE *f; fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); assert_se(fd >= 0); close(fd); r = search_and_fopen(basename(name), "r", NULL, dirs, &f); assert_se(r >= 0); fclose(f); r = search_and_fopen(name, "r", NULL, dirs, &f); assert_se(r >= 0); fclose(f); r = search_and_fopen(basename(name), "r", "/", dirs, &f); assert_se(r >= 0); fclose(f); r = search_and_fopen("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f); assert_se(r < 0); r = search_and_fopen("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f); assert_se(r < 0); r = unlink(name); assert_se(r == 0); r = search_and_fopen(basename(name), "r", NULL, dirs, &f); assert_se(r < 0); } static void test_search_and_fopen_nulstr(void) { const char dirs[] = "/tmp/foo/bar\0/tmp\0"; char name[] = "/tmp/test-search_and_fopen.XXXXXX"; int fd = -1; int r; FILE *f; fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); assert_se(fd >= 0); close(fd); r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f); assert_se(r >= 0); fclose(f); r = search_and_fopen_nulstr(name, "r", NULL, dirs, &f); assert_se(r >= 0); fclose(f); r = search_and_fopen_nulstr("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f); assert_se(r < 0); r = search_and_fopen_nulstr("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f); assert_se(r < 0); r = unlink(name); assert_se(r == 0); r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f); assert_se(r < 0); } static void test_glob_exists(void) { char name[] = "/tmp/test-glob_exists.XXXXXX"; int fd = -1; int r; fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); assert_se(fd >= 0); close(fd); r = glob_exists("/tmp/test-glob_exists*"); assert_se(r == 1); r = unlink(name); assert_se(r == 0); r = glob_exists("/tmp/test-glob_exists*"); assert_se(r == 0); } static void test_execute_directory(void) { char template_lo[] = "/tmp/test-readlink_and_make_absolute-lo.XXXXXXX"; char template_hi[] = "/tmp/test-readlink_and_make_absolute-hi.XXXXXXX"; const char * dirs[] = {template_hi, template_lo, NULL}; const char *name, *name2, *name3, *overridden, *override, *masked, *mask; assert_se(mkdtemp(template_lo)); assert_se(mkdtemp(template_hi)); name = strjoina(template_lo, "/script"); name2 = strjoina(template_hi, "/script2"); name3 = strjoina(template_lo, "/useless"); overridden = strjoina(template_lo, "/overridden"); override = strjoina(template_hi, "/overridden"); masked = strjoina(template_lo, "/masked"); mask = strjoina(template_hi, "/masked"); assert_se(write_string_file(name, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works", WRITE_STRING_FILE_CREATE) == 0); assert_se(write_string_file(name2, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works2", WRITE_STRING_FILE_CREATE) == 0); assert_se(write_string_file(overridden, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed", WRITE_STRING_FILE_CREATE) == 0); assert_se(write_string_file(override, "#!/bin/sh\necho 'Executing '$0", WRITE_STRING_FILE_CREATE) == 0); assert_se(write_string_file(masked, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed", WRITE_STRING_FILE_CREATE) == 0); assert_se(symlink("/dev/null", mask) == 0); assert_se(chmod(name, 0755) == 0); assert_se(chmod(name2, 0755) == 0); assert_se(chmod(overridden, 0755) == 0); assert_se(chmod(override, 0755) == 0); assert_se(chmod(masked, 0755) == 0); assert_se(touch(name3) >= 0); execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL); assert_se(chdir(template_lo) == 0); assert_se(access("it_works", F_OK) >= 0); assert_se(access("failed", F_OK) < 0); assert_se(chdir(template_hi) == 0); assert_se(access("it_works2", F_OK) >= 0); assert_se(access("failed", F_OK) < 0); (void) rm_rf(template_lo, REMOVE_ROOT|REMOVE_PHYSICAL); (void) rm_rf(template_hi, REMOVE_ROOT|REMOVE_PHYSICAL); } static int parse_item(const char *key, const char *value) { assert_se(key); log_info("kernel cmdline option <%s> = <%s>", key, strna(value)); return 0; } static void test_parse_proc_cmdline(void) { assert_se(parse_proc_cmdline(parse_item) >= 0); } static void test_raw_clone(void) { pid_t parent, pid, pid2; parent = getpid(); log_info("before clone: getpid()→"PID_FMT, parent); assert_se(raw_getpid() == parent); pid = raw_clone(0, NULL); assert_se(pid >= 0); pid2 = raw_getpid(); log_info("raw_clone: "PID_FMT" getpid()→"PID_FMT" raw_getpid()→"PID_FMT, pid, getpid(), pid2); if (pid == 0) { assert_se(pid2 != parent); _exit(EXIT_SUCCESS); } else { int status; assert_se(pid2 == parent); waitpid(pid, &status, __WCLONE); assert_se(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS); } } static void test_same_fd(void) { _cleanup_close_pair_ int p[2] = { -1, -1 }; _cleanup_close_ int a = -1, b = -1, c = -1; assert_se(pipe2(p, O_CLOEXEC) >= 0); assert_se((a = dup(p[0])) >= 0); assert_se((b = open("/dev/null", O_RDONLY|O_CLOEXEC)) >= 0); assert_se((c = dup(a)) >= 0); assert_se(same_fd(p[0], p[0]) > 0); assert_se(same_fd(p[1], p[1]) > 0); assert_se(same_fd(a, a) > 0); assert_se(same_fd(b, b) > 0); assert_se(same_fd(a, p[0]) > 0); assert_se(same_fd(p[0], a) > 0); assert_se(same_fd(c, p[0]) > 0); assert_se(same_fd(p[0], c) > 0); assert_se(same_fd(a, c) > 0); assert_se(same_fd(c, a) > 0); assert_se(same_fd(p[0], p[1]) == 0); assert_se(same_fd(p[1], p[0]) == 0); assert_se(same_fd(p[0], b) == 0); assert_se(same_fd(b, p[0]) == 0); assert_se(same_fd(p[1], a) == 0); assert_se(same_fd(a, p[1]) == 0); assert_se(same_fd(p[1], b) == 0); assert_se(same_fd(b, p[1]) == 0); assert_se(same_fd(a, b) == 0); assert_se(same_fd(b, a) == 0); } static void test_uid_ptr(void) { assert_se(UID_TO_PTR(0) != NULL); assert_se(UID_TO_PTR(1000) != NULL); assert_se(PTR_TO_UID(UID_TO_PTR(0)) == 0); assert_se(PTR_TO_UID(UID_TO_PTR(1000)) == 1000); } static void test_sparse_write_one(int fd, const char *buffer, size_t n) { char check[n]; assert_se(lseek(fd, 0, SEEK_SET) == 0); assert_se(ftruncate(fd, 0) >= 0); assert_se(sparse_write(fd, buffer, n, 4) == (ssize_t) n); assert_se(lseek(fd, 0, SEEK_CUR) == (off_t) n); assert_se(ftruncate(fd, n) >= 0); assert_se(lseek(fd, 0, SEEK_SET) == 0); assert_se(read(fd, check, n) == (ssize_t) n); assert_se(memcmp(buffer, check, n) == 0); } static void test_sparse_write(void) { const char test_a[] = "test"; const char test_b[] = "\0\0\0\0test\0\0\0\0"; const char test_c[] = "\0\0test\0\0\0\0"; const char test_d[] = "\0\0test\0\0\0test\0\0\0\0test\0\0\0\0\0test\0\0\0test\0\0\0\0test\0\0\0\0\0\0\0\0"; const char test_e[] = "test\0\0\0\0test"; _cleanup_close_ int fd = -1; char fn[] = "/tmp/sparseXXXXXX"; fd = mkostemp(fn, O_CLOEXEC); assert_se(fd >= 0); unlink(fn); test_sparse_write_one(fd, test_a, sizeof(test_a)); test_sparse_write_one(fd, test_b, sizeof(test_b)); test_sparse_write_one(fd, test_c, sizeof(test_c)); test_sparse_write_one(fd, test_d, sizeof(test_d)); test_sparse_write_one(fd, test_e, sizeof(test_e)); } static void test_shell_escape_one(const char *s, const char *bad, const char *expected) { _cleanup_free_ char *r; assert_se(r = shell_escape(s, bad)); assert_se(streq_ptr(r, expected)); } static void test_shell_escape(void) { test_shell_escape_one("", "", ""); test_shell_escape_one("\\", "", "\\\\"); test_shell_escape_one("foobar", "", "foobar"); test_shell_escape_one("foobar", "o", "f\\o\\obar"); test_shell_escape_one("foo:bar,baz", ",:", "foo\\:bar\\,baz"); } static void test_shell_maybe_quote_one(const char *s, const char *expected) { _cleanup_free_ char *r; assert_se(r = shell_maybe_quote(s)); assert_se(streq(r, expected)); } static void test_shell_maybe_quote(void) { test_shell_maybe_quote_one("", ""); test_shell_maybe_quote_one("\\", "\"\\\\\""); test_shell_maybe_quote_one("\"", "\"\\\"\""); test_shell_maybe_quote_one("foobar", "foobar"); test_shell_maybe_quote_one("foo bar", "\"foo bar\""); test_shell_maybe_quote_one("foo \"bar\" waldo", "\"foo \\\"bar\\\" waldo\""); test_shell_maybe_quote_one("foo$bar", "\"foo\\$bar\""); } static void test_tempfn(void) { char *ret = NULL, *p; assert_se(tempfn_xxxxxx("/foo/bar/waldo", NULL, &ret) >= 0); assert_se(streq_ptr(ret, "/foo/bar/.#waldoXXXXXX")); free(ret); assert_se(tempfn_xxxxxx("/foo/bar/waldo", "[miau]", &ret) >= 0); assert_se(streq_ptr(ret, "/foo/bar/.#[miau]waldoXXXXXX")); free(ret); assert_se(tempfn_random("/foo/bar/waldo", NULL, &ret) >= 0); assert_se(p = startswith(ret, "/foo/bar/.#waldo")); assert_se(strlen(p) == 16); assert_se(in_charset(p, "0123456789abcdef")); free(ret); assert_se(tempfn_random("/foo/bar/waldo", "[wuff]", &ret) >= 0); assert_se(p = startswith(ret, "/foo/bar/.#[wuff]waldo")); assert_se(strlen(p) == 16); assert_se(in_charset(p, "0123456789abcdef")); free(ret); assert_se(tempfn_random_child("/foo/bar/waldo", NULL, &ret) >= 0); assert_se(p = startswith(ret, "/foo/bar/waldo/.#")); assert_se(strlen(p) == 16); assert_se(in_charset(p, "0123456789abcdef")); free(ret); assert_se(tempfn_random_child("/foo/bar/waldo", "[kikiriki]", &ret) >= 0); assert_se(p = startswith(ret, "/foo/bar/waldo/.#[kikiriki]")); assert_se(strlen(p) == 16); assert_se(in_charset(p, "0123456789abcdef")); free(ret); } static void test_strcmp_ptr(void) { assert_se(strcmp_ptr(NULL, NULL) == 0); assert_se(strcmp_ptr("", NULL) > 0); assert_se(strcmp_ptr("foo", NULL) > 0); assert_se(strcmp_ptr(NULL, "") < 0); assert_se(strcmp_ptr(NULL, "bar") < 0); assert_se(strcmp_ptr("foo", "bar") > 0); assert_se(strcmp_ptr("bar", "baz") < 0); assert_se(strcmp_ptr("foo", "foo") == 0); assert_se(strcmp_ptr("", "") == 0); } static void test_fgetxattrat_fake(void) { char t[] = "/var/tmp/xattrtestXXXXXX"; _cleanup_close_ int fd = -1; const char *x; char v[3] = {}; int r; assert_se(mkdtemp(t)); x = strjoina(t, "/test"); assert_se(touch(x) >= 0); r = setxattr(x, "user.foo", "bar", 3, 0); if (r < 0 && errno == EOPNOTSUPP) /* no xattrs supported on /var/tmp... */ goto cleanup; assert_se(r >= 0); fd = open(t, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY); assert_se(fd >= 0); assert_se(fgetxattrat_fake(fd, "test", "user.foo", v, 3, 0) >= 0); assert_se(memcmp(v, "bar", 3) == 0); safe_close(fd); fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY); assert_se(fd >= 0); assert_se(fgetxattrat_fake(fd, "usr", "user.idontexist", v, 3, 0) == -ENODATA); cleanup: assert_se(unlink(x) >= 0); assert_se(rmdir(t) >= 0); } static void test_runlevel_to_target(void) { assert_se(streq_ptr(runlevel_to_target(NULL), NULL)); assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL)); assert_se(streq_ptr(runlevel_to_target("3"), SPECIAL_MULTI_USER_TARGET)); } int main(int argc, char *argv[]) { log_parse_environment(); log_open(); test_streq_ptr(); test_align_power2(); test_max(); test_container_of(); test_alloca(); test_div_round_up(); test_first_word(); test_close_many(); test_parse_uid(); test_strappend(); test_strstrip(); test_delete_chars(); test_in_charset(); test_hexchar(); test_unhexchar(); test_base32hexchar(); test_unbase32hexchar(); test_base64char(); test_unbase64char(); test_octchar(); test_unoctchar(); test_decchar(); test_undecchar(); test_unhexmem(); test_base32hexmem(); test_unbase32hexmem(); test_base64mem(); test_unbase64mem(); test_cescape(); test_cunescape(); test_foreach_word(); test_foreach_word_quoted(); test_memdup_multiply(); test_u64log2(); test_protect_errno(); test_parse_cpu_set(); test_config_parse_iec_uint64(); test_strextend(); test_strrep(); test_split_pair(); test_fstab_node_to_udev_node(); test_get_files_in_directory(); test_in_set(); test_writing_tmpfile(); test_hexdump(); test_log2i(); test_foreach_string(); test_filename_is_valid(); test_string_has_cc(); test_ascii_strlower(); test_files_same(); test_is_valid_documentation_url(); test_file_in_same_dir(); test_endswith(); test_endswith_no_case(); test_close_nointr(); test_unlink_noerrno(); test_readlink_and_make_absolute(); test_ignore_signals(); test_strshorten(); test_strjoina(); test_is_symlink(); test_search_and_fopen(); test_search_and_fopen_nulstr(); test_glob_exists(); test_execute_directory(); test_parse_proc_cmdline(); test_raw_clone(); test_same_fd(); test_uid_ptr(); test_sparse_write(); test_shell_escape(); test_shell_maybe_quote(); test_tempfn(); test_strcmp_ptr(); test_fgetxattrat_fake(); test_runlevel_to_target(); return 0; }