1 /* SPDX-License-Identifier: LGPL-2.1+ */
8 #include "alloc-util.h"
16 #include "parse-util.h"
17 #include "process-util.h"
19 #include "socket-util.h"
20 #include "string-util.h"
23 #include "tmpfile-util.h"
26 static void test_parse_env_file(void) {
27 _cleanup_(unlink_tempfilep
) char
28 t
[] = "/tmp/test-fileio-in-XXXXXX",
29 p
[] = "/tmp/test-fileio-out-XXXXXX";
31 _cleanup_free_
char *one
= NULL
, *two
= NULL
, *three
= NULL
, *four
= NULL
, *five
= NULL
,
32 *six
= NULL
, *seven
= NULL
, *eight
= NULL
, *nine
= NULL
, *ten
= NULL
,
33 *eleven
= NULL
, *twelve
= NULL
, *thirteen
= NULL
;
34 _cleanup_strv_free_
char **a
= NULL
, **b
= NULL
;
39 assert_se(fmkostemp_safe(t
, "w", &f
) == 0);
46 "invalid line #comment\n"
49 "four = \'44\\\"44\'\n"
50 "five = \"55\\\"55\" \"FIVE\" cinco \n"
51 "six = seis sechs\\\n"
53 "seven=\"sevenval\" #nocomment\n"
54 "eight=eightval #nocomment\n"
55 "export nine=nineval\n"
60 "twelve=\"\\value\"\n"
61 "thirteen='\\value'", f
);
66 r
= load_env_file(NULL
, t
, &a
);
70 log_info("Got: <%s>", *i
);
72 assert_se(streq_ptr(a
[0], "one=BAR"));
73 assert_se(streq_ptr(a
[1], "two=bar"));
74 assert_se(streq_ptr(a
[2], "three=333\nxxxx"));
75 assert_se(streq_ptr(a
[3], "four=44\\\"44"));
76 assert_se(streq_ptr(a
[4], "five=55\"55FIVEcinco"));
77 assert_se(streq_ptr(a
[5], "six=seis sechs sis"));
78 assert_se(streq_ptr(a
[6], "seven=sevenval#nocomment"));
79 assert_se(streq_ptr(a
[7], "eight=eightval #nocomment"));
80 assert_se(streq_ptr(a
[8], "export nine=nineval"));
81 assert_se(streq_ptr(a
[9], "ten="));
82 assert_se(streq_ptr(a
[10], "eleven=value"));
83 assert_se(streq_ptr(a
[11], "twelve=\\value"));
84 assert_se(streq_ptr(a
[12], "thirteen=\\value"));
85 assert_se(a
[13] == NULL
);
91 log_info("Got2: <%s>", *i
);
92 assert_se(streq(*i
, a
[k
++]));
105 "export nine", &nine
,
109 "thirteen", &thirteen
);
113 log_info("one=[%s]", strna(one
));
114 log_info("two=[%s]", strna(two
));
115 log_info("three=[%s]", strna(three
));
116 log_info("four=[%s]", strna(four
));
117 log_info("five=[%s]", strna(five
));
118 log_info("six=[%s]", strna(six
));
119 log_info("seven=[%s]", strna(seven
));
120 log_info("eight=[%s]", strna(eight
));
121 log_info("export nine=[%s]", strna(nine
));
122 log_info("ten=[%s]", strna(nine
));
123 log_info("eleven=[%s]", strna(eleven
));
124 log_info("twelve=[%s]", strna(twelve
));
125 log_info("thirteen=[%s]", strna(thirteen
));
127 assert_se(streq(one
, "BAR"));
128 assert_se(streq(two
, "bar"));
129 assert_se(streq(three
, "333\nxxxx"));
130 assert_se(streq(four
, "44\\\"44"));
131 assert_se(streq(five
, "55\"55FIVEcinco"));
132 assert_se(streq(six
, "seis sechs sis"));
133 assert_se(streq(seven
, "sevenval#nocomment"));
134 assert_se(streq(eight
, "eightval #nocomment"));
135 assert_se(streq(nine
, "nineval"));
136 assert_se(ten
== NULL
);
137 assert_se(streq(eleven
, "value"));
138 assert_se(streq(twelve
, "\\value"));
139 assert_se(streq(thirteen
, "\\value"));
142 /* prepare a temporary file to write the environment to */
143 _cleanup_close_
int fd
= mkostemp_safe(p
);
147 r
= write_env_file(p
, a
);
150 r
= load_env_file(NULL
, p
, &b
);
154 static void test_parse_multiline_env_file(void) {
155 _cleanup_(unlink_tempfilep
) char
156 t
[] = "/tmp/test-fileio-in-XXXXXX",
157 p
[] = "/tmp/test-fileio-out-XXXXXX";
159 _cleanup_strv_free_
char **a
= NULL
, **b
= NULL
;
163 assert_se(fmkostemp_safe(t
, "w", &f
) == 0);
179 r
= load_env_file(NULL
, t
, &a
);
183 log_info("Got: <%s>", *i
);
185 assert_se(streq_ptr(a
[0], "one=BAR VAR\tGAR"));
186 assert_se(streq_ptr(a
[1], "two=bar var\tgar"));
187 assert_se(streq_ptr(a
[2], "tri=bar var \tgar "));
188 assert_se(a
[3] == NULL
);
191 _cleanup_close_
int fd
= mkostemp_safe(p
);
195 r
= write_env_file(p
, a
);
198 r
= load_env_file(NULL
, p
, &b
);
202 static void test_merge_env_file(void) {
203 _cleanup_(unlink_tempfilep
) char t
[] = "/tmp/test-fileio-XXXXXX";
204 _cleanup_fclose_
FILE *f
= NULL
;
205 _cleanup_strv_free_
char **a
= NULL
;
209 assert_se(fmkostemp_safe(t
, "w", &f
) == 0);
210 log_info("/* %s (%s) */", __func__
, t
);
212 r
= write_string_stream(f
,
215 "twentyone=2${one}\n"
217 "twentytwo=2${one}\n"
218 "xxx_minus_three=$xxx - 3\n"
219 "xxx=0x$one$one$one\n"
220 "yyy=${one:-fallback}\n"
221 "zzz=${one:+replacement}\n"
222 "zzzz=${foobar:-${nothing}}\n"
223 "zzzzz=${nothing:+${nothing}}\n"
224 , WRITE_STRING_FILE_AVOID_NEWLINE
);
227 r
= merge_env_file(&a
, NULL
, t
);
232 log_info("Got: <%s>", *i
);
234 assert_se(streq(a
[0], "one=2"));
235 assert_se(streq(a
[1], "twelve=12"));
236 assert_se(streq(a
[2], "twentyone=21"));
237 assert_se(streq(a
[3], "twentytwo=22"));
238 assert_se(streq(a
[4], "xxx=0x222"));
239 assert_se(streq(a
[5], "xxx_minus_three= - 3"));
240 assert_se(streq(a
[6], "yyy=2"));
241 assert_se(streq(a
[7], "zzz=replacement"));
242 assert_se(streq(a
[8], "zzzz="));
243 assert_se(streq(a
[9], "zzzzz="));
244 assert_se(a
[10] == NULL
);
246 r
= merge_env_file(&a
, NULL
, t
);
251 log_info("Got2: <%s>", *i
);
253 assert_se(streq(a
[0], "one=2"));
254 assert_se(streq(a
[1], "twelve=12"));
255 assert_se(streq(a
[2], "twentyone=21"));
256 assert_se(streq(a
[3], "twentytwo=22"));
257 assert_se(streq(a
[4], "xxx=0x222"));
258 assert_se(streq(a
[5], "xxx_minus_three=0x222 - 3"));
259 assert_se(streq(a
[6], "yyy=2"));
260 assert_se(streq(a
[7], "zzz=replacement"));
261 assert_se(streq(a
[8], "zzzz="));
262 assert_se(streq(a
[9], "zzzzz="));
263 assert_se(a
[10] == NULL
);
266 static void test_merge_env_file_invalid(void) {
267 _cleanup_(unlink_tempfilep
) char t
[] = "/tmp/test-fileio-XXXXXX";
268 _cleanup_fclose_
FILE *f
= NULL
;
269 _cleanup_strv_free_
char **a
= NULL
;
273 assert_se(fmkostemp_safe(t
, "w", &f
) == 0);
274 log_info("/* %s (%s) */", __func__
, t
);
276 r
= write_string_stream(f
,
285 ";comment2=comment2\n"
287 "\n\n" /* empty line */
288 , WRITE_STRING_FILE_AVOID_NEWLINE
);
291 r
= merge_env_file(&a
, NULL
, t
);
295 log_info("Got: <%s>", *i
);
297 assert_se(strv_isempty(a
));
300 static void test_executable_is_script(void) {
301 _cleanup_(unlink_tempfilep
) char t
[] = "/tmp/test-fileio-XXXXXX";
302 _cleanup_fclose_
FILE *f
= NULL
;
306 assert_se(fmkostemp_safe(t
, "w", &f
) == 0);
307 fputs("#! /bin/script -a -b \ngoo goo", f
);
310 r
= executable_is_script(t
, &command
);
312 assert_se(streq(command
, "/bin/script"));
315 r
= executable_is_script("/bin/sh", &command
);
318 r
= executable_is_script("/usr/bin/yum", &command
);
319 assert_se(r
> 0 || r
== -ENOENT
);
321 assert_se(startswith(command
, "/"));
326 static void test_status_field(void) {
327 _cleanup_free_
char *t
= NULL
, *p
= NULL
, *s
= NULL
, *z
= NULL
;
328 unsigned long long total
= 0, buffers
= 0;
331 assert_se(get_proc_field("/proc/self/status", "Threads", WHITESPACE
, &t
) == 0);
333 assert_se(streq(t
, "1"));
335 r
= get_proc_field("/proc/meminfo", "MemTotal", WHITESPACE
, &p
);
339 assert_se(safe_atollu(p
, &total
) == 0);
342 r
= get_proc_field("/proc/meminfo", "Buffers", WHITESPACE
, &s
);
346 assert_se(safe_atollu(s
, &buffers
) == 0);
350 assert_se(buffers
< total
);
352 /* Seccomp should be a good test for field full of zeros. */
353 r
= get_proc_field("/proc/meminfo", "Seccomp", WHITESPACE
, &z
);
357 assert_se(safe_atollu(z
, &buffers
) == 0);
361 static void test_capeff(void) {
364 for (pid
= 0; pid
< 2; pid
++) {
365 _cleanup_free_
char *capeff
= NULL
;
368 r
= get_process_capeff(0, &capeff
);
369 log_info("capeff: '%s' (r=%d)", capeff
, r
);
371 if (IN_SET(r
, -ENOENT
, -EPERM
))
376 p
= capeff
[strspn(capeff
, HEXDIGITS
)];
377 assert_se(!p
|| isspace(p
));
381 static void test_write_string_stream(void) {
382 _cleanup_(unlink_tempfilep
) char fn
[] = "/tmp/test-write_string_stream-XXXXXX";
383 _cleanup_fclose_
FILE *f
= NULL
;
387 fd
= mkostemp_safe(fn
);
392 assert_se(write_string_stream(f
, "boohoo", 0) < 0);
398 assert_se(write_string_stream(f
, "boohoo", 0) == 0);
401 assert_se(fgets(buf
, sizeof(buf
), f
));
402 assert_se(streq(buf
, "boohoo\n"));
408 assert_se(write_string_stream(f
, "boohoo", WRITE_STRING_FILE_AVOID_NEWLINE
) == 0);
411 assert_se(fgets(buf
, sizeof(buf
), f
));
413 assert_se(streq(buf
, "boohoo"));
416 static void test_write_string_file(void) {
417 _cleanup_(unlink_tempfilep
) char fn
[] = "/tmp/test-write_string_file-XXXXXX";
419 _cleanup_close_
int fd
;
421 fd
= mkostemp_safe(fn
);
424 assert_se(write_string_file(fn
, "boohoo", WRITE_STRING_FILE_CREATE
) == 0);
426 assert_se(read(fd
, buf
, sizeof(buf
)) == 7);
427 assert_se(streq(buf
, "boohoo\n"));
430 static void test_write_string_file_no_create(void) {
431 _cleanup_(unlink_tempfilep
) char fn
[] = "/tmp/test-write_string_file_no_create-XXXXXX";
432 _cleanup_close_
int fd
;
435 fd
= mkostemp_safe(fn
);
438 assert_se(write_string_file("/a/file/which/does/not/exists/i/guess", "boohoo", 0) < 0);
439 assert_se(write_string_file(fn
, "boohoo", 0) == 0);
441 assert_se(read(fd
, buf
, sizeof buf
) == (ssize_t
) strlen("boohoo\n"));
442 assert_se(streq(buf
, "boohoo\n"));
445 static void test_write_string_file_verify(void) {
446 _cleanup_free_
char *buf
= NULL
, *buf2
= NULL
;
449 r
= read_one_line_file("/proc/version", &buf
);
450 if (ERRNO_IS_PRIVILEGE(r
))
453 assert_se(buf2
= strjoin(buf
, "\n"));
455 r
= write_string_file("/proc/version", buf
, 0);
456 assert_se(IN_SET(r
, -EACCES
, -EIO
));
457 r
= write_string_file("/proc/version", buf2
, 0);
458 assert_se(IN_SET(r
, -EACCES
, -EIO
));
460 assert_se(write_string_file("/proc/version", buf
, WRITE_STRING_FILE_VERIFY_ON_FAILURE
) == 0);
461 assert_se(write_string_file("/proc/version", buf2
, WRITE_STRING_FILE_VERIFY_ON_FAILURE
) == 0);
463 r
= write_string_file("/proc/version", buf
, WRITE_STRING_FILE_VERIFY_ON_FAILURE
|WRITE_STRING_FILE_AVOID_NEWLINE
);
464 assert_se(IN_SET(r
, -EACCES
, -EIO
));
465 assert_se(write_string_file("/proc/version", buf2
, WRITE_STRING_FILE_VERIFY_ON_FAILURE
|WRITE_STRING_FILE_AVOID_NEWLINE
) == 0);
468 static void test_load_env_file_pairs(void) {
469 _cleanup_(unlink_tempfilep
) char fn
[] = "/tmp/test-load_env_file_pairs-XXXXXX";
471 _cleanup_fclose_
FILE *f
= NULL
;
472 _cleanup_strv_free_
char **l
= NULL
;
475 fd
= mkostemp_safe(fn
);
478 r
= write_string_file(fn
,
479 "NAME=\"Arch Linux\"\n"
481 "PRETTY_NAME=\"Arch Linux\"\n"
482 "ANSI_COLOR=\"0;36\"\n"
483 "HOME_URL=\"https://www.archlinux.org/\"\n"
484 "SUPPORT_URL=\"https://bbs.archlinux.org/\"\n"
485 "BUG_REPORT_URL=\"https://bugs.archlinux.org/\"\n",
486 WRITE_STRING_FILE_CREATE
);
492 r
= load_env_file_pairs(f
, fn
, &l
);
495 assert_se(strv_length(l
) == 14);
496 STRV_FOREACH_PAIR(k
, v
, l
) {
497 assert_se(STR_IN_SET(*k
, "NAME", "ID", "PRETTY_NAME", "ANSI_COLOR", "HOME_URL", "SUPPORT_URL", "BUG_REPORT_URL"));
498 printf("%s=%s\n", *k
, *v
);
499 if (streq(*k
, "NAME")) assert_se(streq(*v
, "Arch Linux"));
500 if (streq(*k
, "ID")) assert_se(streq(*v
, "arch"));
501 if (streq(*k
, "PRETTY_NAME")) assert_se(streq(*v
, "Arch Linux"));
502 if (streq(*k
, "ANSI_COLOR")) assert_se(streq(*v
, "0;36"));
503 if (streq(*k
, "HOME_URL")) assert_se(streq(*v
, "https://www.archlinux.org/"));
504 if (streq(*k
, "SUPPORT_URL")) assert_se(streq(*v
, "https://bbs.archlinux.org/"));
505 if (streq(*k
, "BUG_REPORT_URL")) assert_se(streq(*v
, "https://bugs.archlinux.org/"));
509 static void test_search_and_fopen(void) {
510 const char *dirs
[] = {"/tmp/foo/bar", "/tmp", NULL
};
512 char name
[] = "/tmp/test-search_and_fopen.XXXXXX";
516 fd
= mkostemp_safe(name
);
520 r
= search_and_fopen(basename(name
), "r", NULL
, dirs
, &f
);
524 r
= search_and_fopen(name
, "r", NULL
, dirs
, &f
);
528 r
= search_and_fopen(basename(name
), "r", "/", dirs
, &f
);
532 r
= search_and_fopen("/a/file/which/does/not/exist/i/guess", "r", NULL
, dirs
, &f
);
534 r
= search_and_fopen("afilewhichdoesnotexistiguess", "r", NULL
, dirs
, &f
);
540 r
= search_and_fopen(basename(name
), "r", NULL
, dirs
, &f
);
544 static void test_search_and_fopen_nulstr(void) {
545 const char dirs
[] = "/tmp/foo/bar\0/tmp\0";
547 _cleanup_(unlink_tempfilep
) char name
[] = "/tmp/test-search_and_fopen.XXXXXX";
551 fd
= mkostemp_safe(name
);
555 r
= search_and_fopen_nulstr(basename(name
), "r", NULL
, dirs
, &f
);
559 r
= search_and_fopen_nulstr(name
, "r", NULL
, dirs
, &f
);
563 r
= search_and_fopen_nulstr("/a/file/which/does/not/exist/i/guess", "r", NULL
, dirs
, &f
);
565 r
= search_and_fopen_nulstr("afilewhichdoesnotexistiguess", "r", NULL
, dirs
, &f
);
571 r
= search_and_fopen_nulstr(basename(name
), "r", NULL
, dirs
, &f
);
575 static void test_writing_tmpfile(void) {
576 _cleanup_(unlink_tempfilep
) char name
[] = "/tmp/test-systemd_writing_tmpfile.XXXXXX";
577 _cleanup_free_
char *contents
= NULL
;
579 _cleanup_close_
int fd
= -1;
583 iov
[0] = IOVEC_MAKE_STRING("abc\n");
584 iov
[1] = IOVEC_MAKE_STRING(ALPHANUMERICAL
"\n");
585 iov
[2] = IOVEC_MAKE_STRING("");
587 fd
= mkostemp_safe(name
);
588 printf("tmpfile: %s", name
);
590 r
= writev(fd
, iov
, 3);
593 r
= read_full_file(name
, &contents
, &size
);
595 printf("contents: %s", contents
);
596 assert_se(streq(contents
, "abc\n" ALPHANUMERICAL
"\n"));
599 static void test_tempfn(void) {
600 char *ret
= NULL
, *p
;
602 assert_se(tempfn_xxxxxx("/foo/bar/waldo", NULL
, &ret
) >= 0);
603 assert_se(streq_ptr(ret
, "/foo/bar/.#waldoXXXXXX"));
606 assert_se(tempfn_xxxxxx("/foo/bar/waldo", "[miau]", &ret
) >= 0);
607 assert_se(streq_ptr(ret
, "/foo/bar/.#[miau]waldoXXXXXX"));
610 assert_se(tempfn_random("/foo/bar/waldo", NULL
, &ret
) >= 0);
611 assert_se(p
= startswith(ret
, "/foo/bar/.#waldo"));
612 assert_se(strlen(p
) == 16);
613 assert_se(in_charset(p
, "0123456789abcdef"));
616 assert_se(tempfn_random("/foo/bar/waldo", "[wuff]", &ret
) >= 0);
617 assert_se(p
= startswith(ret
, "/foo/bar/.#[wuff]waldo"));
618 assert_se(strlen(p
) == 16);
619 assert_se(in_charset(p
, "0123456789abcdef"));
622 assert_se(tempfn_random_child("/foo/bar/waldo", NULL
, &ret
) >= 0);
623 assert_se(p
= startswith(ret
, "/foo/bar/waldo/.#"));
624 assert_se(strlen(p
) == 16);
625 assert_se(in_charset(p
, "0123456789abcdef"));
628 assert_se(tempfn_random_child("/foo/bar/waldo", "[kikiriki]", &ret
) >= 0);
629 assert_se(p
= startswith(ret
, "/foo/bar/waldo/.#[kikiriki]"));
630 assert_se(strlen(p
) == 16);
631 assert_se(in_charset(p
, "0123456789abcdef"));
635 static const char chars
[] =
638 DISABLE_WARNING_TYPE_LIMITS
;
640 static void test_fgetc(void) {
641 _cleanup_fclose_
FILE *f
= NULL
;
644 f
= fmemopen_unlocked((void*) chars
, sizeof(chars
), "re");
647 for (size_t i
= 0; i
< sizeof(chars
); i
++) {
648 assert_se(safe_fgetc(f
, &c
) == 1);
649 assert_se(c
== chars
[i
]);
651 if (ungetc(c
, f
) == EOF
) {
652 /* EOF is -1, and hence we can't push value 255 in this way – if char is signed */
653 assert_se(c
== (char) EOF
);
654 assert_se(CHAR_MIN
== -128); /* verify that char is signed on this platform */
656 assert_se(safe_fgetc(f
, &c
) == 1);
657 assert_se(c
== chars
[i
]);
660 /* But it works when we push it properly cast */
661 assert_se(ungetc((unsigned char) c
, f
) != EOF
);
662 assert_se(safe_fgetc(f
, &c
) == 1);
663 assert_se(c
== chars
[i
]);
666 assert_se(safe_fgetc(f
, &c
) == 0);
671 static const char buffer
[] =
673 "루Non-ascii chars: ąę„”\n"
676 "now the same with a NUL\n\0"
678 "and even more\r\n\0"
679 "and yet even more\n\r\0"
680 "With newlines, and a NUL byte\0"
684 "and a very long line that is supposed to be truncated, because it is so long\n";
686 static void test_read_line_one_file(FILE *f
) {
687 _cleanup_free_
char *line
= NULL
;
689 assert_se(read_line(f
, (size_t) -1, &line
) == 15 && streq(line
, "Some test data"));
692 assert_se(read_line(f
, (size_t) -1, &line
) > 0 && streq(line
, "루Non-ascii chars: ąę„”"));
695 assert_se(read_line(f
, (size_t) -1, &line
) == 13 && streq(line
, "terminators"));
698 assert_se(read_line(f
, (size_t) -1, &line
) == 15 && streq(line
, "and even more"));
701 assert_se(read_line(f
, (size_t) -1, &line
) == 25 && streq(line
, "now the same with a NUL"));
704 assert_se(read_line(f
, (size_t) -1, &line
) == 10 && streq(line
, "and more"));
707 assert_se(read_line(f
, (size_t) -1, &line
) == 16 && streq(line
, "and even more"));
710 assert_se(read_line(f
, (size_t) -1, &line
) == 20 && streq(line
, "and yet even more"));
713 assert_se(read_line(f
, 1024, &line
) == 30 && streq(line
, "With newlines, and a NUL byte"));
716 assert_se(read_line(f
, 1024, &line
) == 1 && streq(line
, ""));
719 assert_se(read_line(f
, 1024, &line
) == 14 && streq(line
, "an empty line"));
722 assert_se(read_line(f
, (size_t) -1, NULL
) == 16);
724 assert_se(read_line(f
, 16, &line
) == -ENOBUFS
);
727 /* read_line() stopped when it hit the limit, that means when we continue reading we'll read at the first
728 * character after the previous limit. Let's make use of that to continue our test. */
729 assert_se(read_line(f
, 1024, &line
) == 62 && streq(line
, "line that is supposed to be truncated, because it is so long"));
732 assert_se(read_line(f
, 1024, &line
) == 0 && streq(line
, ""));
735 static void test_read_line(void) {
736 _cleanup_fclose_
FILE *f
= NULL
;
738 f
= fmemopen_unlocked((void*) buffer
, sizeof(buffer
), "re");
741 test_read_line_one_file(f
);
744 static void test_read_line2(void) {
745 _cleanup_(unlink_tempfilep
) char name
[] = "/tmp/test-fileio.XXXXXX";
747 _cleanup_fclose_
FILE *f
= NULL
;
749 fd
= mkostemp_safe(name
);
751 assert_se((size_t) write(fd
, buffer
, sizeof(buffer
)) == sizeof(buffer
));
753 assert_se(lseek(fd
, 0, SEEK_SET
) == 0);
754 assert_se(f
= fdopen(fd
, "r"));
756 test_read_line_one_file(f
);
759 static void test_read_line3(void) {
760 _cleanup_fclose_
FILE *f
= NULL
;
761 _cleanup_free_
char *line
= NULL
;
764 f
= fopen("/proc/uptime", "re");
765 if (!f
&& IN_SET(errno
, ENOENT
, EPERM
))
769 r
= read_line(f
, LINE_MAX
, &line
);
772 assert_se(line
&& isempty(line
));
774 assert_se((size_t) r
== strlen(line
) + 1);
775 assert_se(read_line(f
, LINE_MAX
, NULL
) == 0);
778 static void test_read_line4(void) {
779 static const struct {
783 /* Each of these will be followed by EOF and should generate the one same single string */
799 for (i
= 0; i
< ELEMENTSOF(eof_endings
); i
++) {
800 _cleanup_fclose_
FILE *f
= NULL
;
801 _cleanup_free_
char *s
= NULL
;
803 assert_se(f
= fmemopen_unlocked((void*) eof_endings
[i
].string
, eof_endings
[i
].length
, "r"));
805 r
= read_line(f
, (size_t) -1, &s
);
806 assert_se((size_t) r
== eof_endings
[i
].length
);
807 assert_se(streq_ptr(s
, "foo"));
809 assert_se(read_line(f
, (size_t) -1, NULL
) == 0); /* Ensure we hit EOF */
813 static void test_read_nul_string(void) {
814 static const char test
[] = "string nr. 1\0"
816 "\377empty string follows\0"
818 "final string\n is empty\0"
821 _cleanup_fclose_
FILE *f
= NULL
;
822 _cleanup_free_
char *s
= NULL
;
824 assert_se(f
= fmemopen_unlocked((void*) test
, sizeof(test
)-1, "r"));
826 assert_se(read_nul_string(f
, LONG_LINE_MAX
, &s
) == 13 && streq_ptr(s
, "string nr. 1"));
829 assert_se(read_nul_string(f
, LONG_LINE_MAX
, &s
) == 14 && streq_ptr(s
, "string nr. 2\n"));
832 assert_se(read_nul_string(f
, LONG_LINE_MAX
, &s
) == 22 && streq_ptr(s
, "\377empty string follows"));
835 assert_se(read_nul_string(f
, LONG_LINE_MAX
, &s
) == 1 && streq_ptr(s
, ""));
838 assert_se(read_nul_string(f
, LONG_LINE_MAX
, &s
) == 23 && streq_ptr(s
, "final string\n is empty"));
841 assert_se(read_nul_string(f
, LONG_LINE_MAX
, &s
) == 1 && streq_ptr(s
, ""));
844 assert_se(read_nul_string(f
, LONG_LINE_MAX
, &s
) == 0 && streq_ptr(s
, ""));
847 static void test_read_full_file_socket(void) {
848 _cleanup_(rm_rf_physical_and_freep
) char *z
= NULL
;
849 _cleanup_close_
int listener
= -1;
850 _cleanup_free_
char *data
= NULL
;
851 union sockaddr_union sa
;
857 log_info("/* %s */", __func__
);
859 listener
= socket(AF_UNIX
, SOCK_STREAM
|SOCK_CLOEXEC
, 0);
860 assert_se(listener
>= 0);
862 assert_se(mkdtemp_malloc(NULL
, &z
) >= 0);
863 j
= strjoina(z
, "/socket");
865 assert_se(sockaddr_un_set_path(&sa
.un
, j
) >= 0);
867 assert_se(bind(listener
, &sa
.sa
, SOCKADDR_UN_LEN(sa
.un
)) >= 0);
868 assert_se(listen(listener
, 1) >= 0);
870 r
= safe_fork("(server)", FORK_DEATHSIG
|FORK_LOG
, &pid
);
873 _cleanup_close_
int rfd
= -1;
876 rfd
= accept4(listener
, NULL
, 0, SOCK_CLOEXEC
);
879 #define TEST_STR "This is a test\nreally."
881 assert_se(write(rfd
, TEST_STR
, strlen(TEST_STR
)) == strlen(TEST_STR
));
885 assert_se(read_full_file_full(AT_FDCWD
, j
, 0, &data
, &size
) == -ENXIO
);
886 assert_se(read_full_file_full(AT_FDCWD
, j
, READ_FULL_FILE_CONNECT_SOCKET
, &data
, &size
) >= 0);
887 assert_se(size
== strlen(TEST_STR
));
888 assert_se(streq(data
, TEST_STR
));
890 assert_se(wait_for_terminate_and_check("(server)", pid
, WAIT_LOG
) >= 0);
894 int main(int argc
, char *argv
[]) {
895 test_setup_logging(LOG_DEBUG
);
897 test_parse_env_file();
898 test_parse_multiline_env_file();
899 test_merge_env_file();
900 test_merge_env_file_invalid();
901 test_executable_is_script();
904 test_write_string_stream();
905 test_write_string_file();
906 test_write_string_file_no_create();
907 test_write_string_file_verify();
908 test_load_env_file_pairs();
909 test_search_and_fopen();
910 test_search_and_fopen_nulstr();
911 test_writing_tmpfile();
918 test_read_nul_string();
919 test_read_full_file_socket();