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13663 fchmodat(AT_SYMLINK_NOFOLLOW) should work for non-symlinks
Reviewed by: Gordon Ross <Gordon.W.Ross@gmail.com> Reviewed by: Patrick Mooney <pmooney@pfmooney.com> Approved by: Dan McDonald <danmcd@joyent.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| /* | ||
| * This file and its contents are supplied under the terms of the | ||
| * Common Development and Distribution License ("CDDL"), version 1.0. | ||
| * You may only use this file in accordance with the terms of version | ||
| * 1.0 of the CDDL. | ||
| * | ||
| * A full copy of the text of the CDDL should have accompanied this | ||
| * source. A copy of the CDDL is also available via the Internet at | ||
| * http://www.illumos.org/license/CDDL. | ||
| */ | ||
|
|
||
| /* | ||
| * Copyright 2022 Marcel Telka <marcel@telka.sk> | ||
| */ | ||
|
|
||
| /* | ||
| * Test for fchmodat(AT_SYMLINK_NOFOLLOW) | ||
| */ | ||
|
|
||
| #include <sys/param.h> | ||
| #include <string.h> | ||
| #include <sys/types.h> | ||
| #include <sys/stat.h> | ||
| #include <fcntl.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <unistd.h> | ||
|
|
||
| int | ||
| main(void) | ||
| { | ||
| int ret = 0; | ||
|
|
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| char template[MAXPATHLEN]; | ||
| char *path; | ||
| char file[MAXPATHLEN]; | ||
| char link[MAXPATHLEN]; | ||
|
|
||
| /* prepare template for temporary directory */ | ||
| if (strlcpy(template, "/tmp/XXXXXX", sizeof (template)) | ||
| >= sizeof (template)) { | ||
| (void) printf("FAIL: Template copy failed\n"); | ||
| exit(EXIT_FAILURE); | ||
| } | ||
|
|
||
| /* create temporary directory */ | ||
| if ((path = mkdtemp(template)) == NULL) { | ||
| (void) printf("FAIL: Temporary directory creation failed\n"); | ||
| exit(EXIT_FAILURE); | ||
| } | ||
|
|
||
| /* format file and link paths */ | ||
| (void) snprintf(file, sizeof (file), "%s/file", path); | ||
| (void) snprintf(link, sizeof (link), "%s/link", path); | ||
|
|
||
| /* create the file */ | ||
| int fd = open(file, O_WRONLY | O_CREAT, 0644); | ||
| if (fd < 0) { | ||
| (void) printf("FAIL: File %s creation failed\n", file); | ||
| (void) rmdir(path); | ||
| exit(EXIT_FAILURE); | ||
| } | ||
| (void) close(fd); | ||
|
|
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| /* create symlink */ | ||
| if (symlink("file", link) != 0) { | ||
| (void) printf("FAIL: Symlink %s creation failed\n", link); | ||
| (void) unlink(file); | ||
| (void) rmdir(path); | ||
| exit(EXIT_FAILURE); | ||
| } | ||
|
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| /* test fchmodat(AT_SYMLINK_NOFOLLOW) for symlink */ | ||
| if (fchmodat(AT_FDCWD, link, 0666, AT_SYMLINK_NOFOLLOW) == 0) { | ||
| (void) printf("FAIL: fchmodat(AT_SYMLINK_NOFOLLOW) " | ||
| "unexpectedly succeeded for symlink\n"); | ||
| ret = EXIT_FAILURE; | ||
| } | ||
| /* test fchmodat(AT_SYMLINK_NOFOLLOW) for regular file */ | ||
| if (fchmodat(AT_FDCWD, file, 0666, AT_SYMLINK_NOFOLLOW) != 0) { | ||
| (void) printf("FAIL: fchmodat(AT_SYMLINK_NOFOLLOW) failed for " | ||
| "regular file\n"); | ||
| ret = EXIT_FAILURE; | ||
| } | ||
|
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||
| /* cleanup */ | ||
| (void) unlink(link); | ||
| (void) unlink(file); | ||
| (void) rmdir(path); | ||
|
|
||
| return (ret); | ||
| } |
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