| /* |
| * Copyright (c) International Business Machines Corp., 2001 |
| * Copyright (c) 2015 Cyril Hrubis <chrubis@suse.cz> |
| * |
| * 07/2001 Ported by Wayne Boyer |
| * 04/2008 Roy Lee <roylee@andestech.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* |
| * Attempt to execve(2) a file which is being opened by another process for |
| * writing fails with ETXTBSY. |
| */ |
| |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #endif |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <libgen.h> |
| #include <stdio.h> |
| |
| #include "test.h" |
| #include "safe_macros.h" |
| |
| #define TEST_APP "execve_child" |
| |
| char *TCID = "execve04"; |
| int TST_TOTAL = 1; |
| |
| static void setup(void); |
| static void cleanup(void); |
| static void do_child(void); |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| pid_t pid; |
| char *argv[2] = {TEST_APP, NULL}; |
| char *env[1] = {NULL}; |
| |
| tst_parse_opts(ac, av, NULL, NULL); |
| |
| #ifdef UCLINUX |
| maybe_run_child(&do_child, ""); |
| #endif |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| if ((pid = FORK_OR_VFORK()) == -1) { |
| tst_brkm(TBROK, cleanup, "fork failed"); |
| } else if (pid == 0) { |
| #ifdef UCLINUX |
| if (self_exec(av[0], "") < 0) |
| tst_brkm(TBROK, cleanup, "self_exec failed"); |
| #else |
| do_child(); |
| #endif |
| } |
| |
| TST_SAFE_CHECKPOINT_WAIT(cleanup, 0); |
| |
| TEST(execve(TEST_APP, argv, env)); |
| |
| if (TEST_ERRNO != ETXTBSY) |
| tst_resm(TFAIL | TTERRNO, "execve succeeded, expected failure"); |
| else |
| tst_resm(TPASS | TTERRNO, "execve failed as expected"); |
| |
| TST_SAFE_CHECKPOINT_WAKE(cleanup, 0); |
| SAFE_WAIT(cleanup, NULL); |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| void setup(void) |
| { |
| char path[PATH_MAX]; |
| |
| if (tst_get_path(TEST_APP, path, sizeof(path))) { |
| tst_brkm(TBROK, NULL, |
| "Couldn't found "TEST_APP" binary in $PATH"); |
| } |
| |
| tst_tmpdir(); |
| |
| TST_CHECKPOINT_INIT(tst_rmdir); |
| |
| SAFE_CP(tst_rmdir, path, "."); |
| } |
| |
| static void cleanup(void) |
| { |
| tst_rmdir(); |
| } |
| |
| static void do_child(void) |
| { |
| int fd; |
| |
| #ifdef UCLINUX |
| TST_CHECKPOINT_INIT(NULL); |
| #endif |
| |
| if ((fd = open(TEST_APP, O_WRONLY)) == -1) { |
| perror("open failed"); |
| exit(1); |
| } |
| |
| TST_SAFE_CHECKPOINT_WAKE_AND_WAIT(NULL, 0); |
| |
| exit(0); |
| } |