| /* |
| * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. |
| * AUTHOR : Richard Logan |
| * CO-PILOT : William Roske |
| * Copyright (c) 2014 Cyril Hrubis <chrubis@suse.cz> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * Further, this software is distributed without any warranty that it is |
| * free of the rightful claim of any third person regarding infringement |
| * or the like. Any license provided herein, whether implied or |
| * otherwise, applies only to this software file. Patent licenses, if |
| * any, provided herein do not apply to combinations of this program with |
| * other software, or any other product whatsoever. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
| * Mountain View, CA 94043, or: |
| * |
| * http://www.sgi.com |
| * |
| * For further information regarding this notice, see: |
| * |
| * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ |
| * |
| */ |
| |
| /* |
| * Negative test cases for link(2). |
| * |
| * This test program should contain test cases where link will fail regardless |
| * of who executed it (i.e. joe-user or root) |
| */ |
| #include <sys/types.h> |
| #include <sys/fcntl.h> |
| #include <sys/stat.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <signal.h> |
| #include <sys/param.h> |
| #include <sys/mman.h> |
| #include "test.h" |
| #include "safe_macros.h" |
| |
| static char *bad_addr = 0; |
| |
| static char longpath[PATH_MAX + 2]; |
| #if !defined(UCLINUX) |
| char high_addr[64]; |
| #endif |
| |
| struct test_case_t { |
| char *file1; |
| char *desc1; |
| char *file2; |
| char *desc2; |
| int exp_errno; |
| } test_cases[] = { |
| /* first path is invalid */ |
| {"nonexistfile", "non-existent file", "nefile", "nefile", ENOENT}, |
| {"", "path is empty string", "nefile", "nefile", ENOENT}, |
| {"neefile/file", "path contains a non-existent file", "nefile", |
| "nefile", ENOENT}, |
| {"regfile/file", "path contains a regular file", "nefile", "nefile", |
| ENOTDIR}, |
| {longpath, "pathname too long", "nefile", "nefile", ENAMETOOLONG}, |
| #if !defined(UCLINUX) |
| {high_addr, "address beyond address space", "nefile", "nefile", EFAULT}, |
| #endif |
| {(char *)-1, "negative address", "nefile", "nefile", EFAULT}, |
| /* second path is invalid */ |
| {"regfile", "regfile", "", "empty string", ENOENT}, |
| {"regfile", "regfile", "neefile/file", |
| "path contains a non-existent file", ENOENT}, |
| {"regfile", "regfile", "file/file", |
| "path contains a regular file", ENOENT}, |
| {"regfile", "regfile", longpath, "pathname too long", ENAMETOOLONG}, |
| #if !defined(UCLINUX) |
| {"regfile", "regfile", high_addr, |
| "address beyond address space", EFAULT}, |
| #endif |
| {"regfile", "regfile", (char *)-1, "negative address", EFAULT}, |
| /* two existing files */ |
| {"regfile", "regfile", "regfile2", "regfile2", EEXIST}, |
| }; |
| |
| char *TCID = "link04"; |
| int TST_TOTAL = ARRAY_SIZE(test_cases); |
| |
| static void setup(void); |
| static void cleanup(void); |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| const char *msg; |
| char *fname1, *fname2; |
| char *desc1, *desc2; |
| int i; |
| |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| |
| tst_count = 0; |
| |
| for (i = 0; i < TST_TOTAL; i++) { |
| |
| fname1 = test_cases[i].file1; |
| desc1 = test_cases[i].desc1; |
| fname2 = test_cases[i].file2; |
| desc2 = test_cases[i].desc2; |
| |
| #if !defined(UCLINUX) |
| if (fname1 == high_addr) |
| fname1 = get_high_address(); |
| |
| if (fname2 == high_addr) |
| fname2 = get_high_address(); |
| #endif |
| |
| TEST(link(fname1, fname2)); |
| |
| if (TEST_RETURN == -1) { |
| if (TEST_ERRNO == test_cases[i].exp_errno) { |
| tst_resm(TPASS | TTERRNO, |
| "link(<%s>, <%s>)", |
| desc1, desc2); |
| } else { |
| tst_resm(TFAIL | TTERRNO, |
| "link(<%s>, <%s>) Failed " |
| "expected errno: %d", |
| desc1, desc2, |
| test_cases[i].exp_errno); |
| } |
| } else { |
| tst_resm(TFAIL, |
| "link(<%s>, <%s>) returned %ld, " |
| "expected -1, errno:%d", |
| desc1, desc2, TEST_RETURN, |
| test_cases[i].exp_errno); |
| } |
| } |
| |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| |
| tst_tmpdir(); |
| |
| #if !defined(UCLINUX) |
| bad_addr = SAFE_MMAP(cleanup, 0, 1, PROT_NONE, |
| MAP_PRIVATE_EXCEPT_UCLINUX | MAP_ANONYMOUS, 0, 0); |
| test_cases[6].file1 = bad_addr; |
| test_cases[12].file2 = bad_addr; |
| #endif |
| |
| memset(longpath, 'a', PATH_MAX+1); |
| SAFE_TOUCH(cleanup, "regfile", 0777, NULL); |
| SAFE_TOUCH(cleanup, "regfile2", 0777, NULL); |
| SAFE_MKDIR(cleanup, "dir", 0777); |
| } |
| |
| static void cleanup(void) |
| { |
| tst_rmdir(); |
| } |