336 lines
8.5 KiB
C
336 lines
8.5 KiB
C
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/*
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* Based off tests/lib/libc/gen/posix_spawn/t_spawn.c
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*/
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/* $NetBSD: t_spawn.c,v 1.1 2012/02/13 21:03:08 martin Exp $ */
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/*-
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* Copyright (c) 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Charles Zhang <charles@NetBSD.org> and
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* Martin Husemann <martin@NetBSD.org>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <fcntl.h>
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#include <signal.h>
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#include <spawn.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/wait.h>
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#include "common.h"
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/* reroute stdout to /dev/null while returning another fd for the old stdout */
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/* this is just for aesthetics: we don't want to see the output of 'ls' */
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static int
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sink_stdout(void)
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{
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int fd, fd2;
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if ((fd = fcntl(1, F_DUPFD, 3)) == -1 || close(1) == -1) {
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e(0);
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quit();
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}
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if ((fd2 = open("/dev/null", O_WRONLY)) != 1) {
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if (fd2 == -1 || dup2(fd2, 1) != 1) {
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dup2(fd, 1);
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e(0);
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quit();
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}
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}
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return fd;
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}
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/* restore stdout */
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static void
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restore_stdout(int fd)
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{
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dup2(fd, 1);
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close(fd);
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}
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/* tests a simple posix_spawn executing /bin/ls */
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static void
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test_posix_spawn_ls(void)
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{
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char * const args[] = { "ls", "-la", NULL };
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int err;
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err = posix_spawn(NULL, "/bin/ls", NULL, NULL, args, NULL);
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if (err != 0)
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e(1);
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}
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/* tests a simple posix_spawnp executing ls via $PATH */
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static void
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test_posix_spawnp_ls(void)
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{
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char * const args[] = { "ls", "-la", NULL };
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int err;
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err = posix_spawnp(NULL, "ls", NULL, NULL, args, NULL);
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if(err != 0)
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e(2);
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}
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/* posix_spawn a non existant binary */
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static void
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test_posix_spawn_missing(void)
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{
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char * const args[] = { "t84_h_nonexist", NULL };
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int err;
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err = posix_spawn(NULL, "../t84_h_nonexist", NULL, NULL, args, NULL);
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if (err != ENOENT)
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e(4);
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}
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/* posix_spawn a script with non existing interpreter */
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static void
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test_posix_spawn_nonexec(void)
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{
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char * const args[] = { "t84_h_nonexec", NULL };
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int err;
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err = posix_spawn(NULL, "../t84_h_nonexec", NULL, NULL, args, NULL);
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if (err != ENOENT)
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e(5);
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}
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/* posix_spawn a child and get it's return code */
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static void
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test_posix_spawn_child(void)
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{
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char * const args0[] = { "t84_h_spawn", "0", NULL };
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char * const args1[] = { "t84_h_spawn", "1", NULL };
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char * const args7[] = { "t84_h_spawn", "7", NULL };
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int err, status;
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pid_t pid;
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err = posix_spawn(&pid, "../t84_h_spawn", NULL, NULL, args0, NULL);
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if (err != 0 || pid < 1)
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e(1);
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waitpid(pid, &status, 0);
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if (! (WIFEXITED(status) && WEXITSTATUS(status) == 0))
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e(2);
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err = posix_spawn(&pid, "../t84_h_spawn", NULL, NULL, args1, NULL);
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if (err != 0 || pid < 1)
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e(3);
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waitpid(pid, &status, 0);
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if (! (WIFEXITED(status) && WEXITSTATUS(status) == 1))
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e(4);
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err = posix_spawn(&pid, "../t84_h_spawn", NULL, NULL, args7, NULL);
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if (err != 0 || pid < 1)
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e(5);
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waitpid(pid, &status, 0);
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if (! (WIFEXITED(status) && WEXITSTATUS(status) == 7))
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e(6);
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}
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/* test spawn attributes */
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static void
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test_posix_spawnattr(void)
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{
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int pid, status, err, pfd[2];
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char helper_arg[128];
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char * const args[] = { "t84_h_spawnattr", helper_arg, NULL };
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sigset_t sig;
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posix_spawnattr_t attr;
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/*
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* create a pipe to controll the child
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*/
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err = pipe(pfd);
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if (err != 0)
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e(1);
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sprintf(helper_arg, "%d", pfd[0]);
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posix_spawnattr_init(&attr);
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sigemptyset(&sig);
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sigaddset(&sig, SIGUSR1);
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posix_spawnattr_setflags(&attr, POSIX_SPAWN_SETSCHEDULER |
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POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETPGROUP |
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POSIX_SPAWN_SETSIGMASK | POSIX_SPAWN_SETSIGDEF |
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POSIX_SPAWN_SETSIGDEF);
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posix_spawnattr_setpgroup(&attr, 0);
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#if 0
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posix_spawnattr_setschedparam(&attr, &sp);
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posix_spawnattr_setschedpolicy(&attr, scheduler);
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#endif
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posix_spawnattr_setsigmask(&attr, &sig);
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posix_spawnattr_setsigdefault(&attr, &sig);
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err = posix_spawn(&pid, "../t84_h_spawnattr", NULL, &attr, args, NULL);
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if (err != 0)
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e(2);
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/* ready, let child go */
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write(pfd[1], "q", 1);
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close(pfd[0]);
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close(pfd[1]);
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/* wait and check result from child */
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waitpid(pid, &status, 0);
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if (! (WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS))
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e(3);
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posix_spawnattr_destroy(&attr);
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}
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/* tests a simple posix_spawn executing /bin/ls with file actions */
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static void
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test_posix_spawn_file_actions(void)
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{
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char * const args[] = { "ls", "-la", NULL };
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int err;
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posix_spawn_file_actions_t file_actions;
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/*
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* Just do a bunch of random operations which should leave console
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* output intact.
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*/
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posix_spawn_file_actions_init(&file_actions);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 3);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 4);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 6);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 5);
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posix_spawn_file_actions_addclose(&file_actions, 3);
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posix_spawn_file_actions_addclose(&file_actions, 4);
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posix_spawn_file_actions_addclose(&file_actions, 6);
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posix_spawn_file_actions_addclose(&file_actions, 5);
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posix_spawn_file_actions_addclose(&file_actions, 0);
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posix_spawn_file_actions_addclose(&file_actions, 2);
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posix_spawn_file_actions_addopen(&file_actions, 0, "/dev/null",
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O_RDONLY, 0);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 2);
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posix_spawn_file_actions_addclose(&file_actions, 1);
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posix_spawn_file_actions_adddup2(&file_actions, 2, 1);
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err = posix_spawn(NULL, "/bin/ls", &file_actions, NULL, args, NULL);
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posix_spawn_file_actions_destroy(&file_actions);
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if (err != 0)
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e(1);
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}
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/* tests failures with file actions */
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static void
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test_posix_spawn_file_actions_failures(void)
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{
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char * const args[] = { "ls", "-la", NULL };
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int err, i;
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posix_spawn_file_actions_t file_actions;
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/* Test bogus open */
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posix_spawn_file_actions_init(&file_actions);
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posix_spawn_file_actions_addclose(&file_actions, 0);
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posix_spawn_file_actions_addopen(&file_actions, 0, "t84_h_nonexist",
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O_RDONLY, 0);
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err = posix_spawn(NULL, "/bin/ls", &file_actions, NULL, args, NULL);
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posix_spawn_file_actions_destroy(&file_actions);
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if (err == 0)
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e(1);
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/* Test bogus dup2 */
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for (i = 3; i < 10; i++) {
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posix_spawn_file_actions_init(&file_actions);
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posix_spawn_file_actions_adddup2(&file_actions, i, i+1);
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err = posix_spawn(NULL, "/bin/ls", &file_actions, NULL, args,
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NULL);
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posix_spawn_file_actions_destroy(&file_actions);
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if (err == 0)
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e(i-2);
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}
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/*
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* Test bogus exec with dup2 (to mess with the pipe error reporting in
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* posix_spawn.c)
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*/
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posix_spawn_file_actions_init(&file_actions);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 3);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 4);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 6);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 5);
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posix_spawn_file_actions_adddup2(&file_actions, 1, 7);
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err = posix_spawn(NULL, "t84_h_nonexist", &file_actions, NULL, args,
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NULL);
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posix_spawn_file_actions_destroy(&file_actions);
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if (err == 0)
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e(9);
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}
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int
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main(void)
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{
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int fd;
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start(84);
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subtest = 1;
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fd = sink_stdout();
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test_posix_spawn_ls();
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test_posix_spawnp_ls();
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restore_stdout(fd);
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test_posix_spawn_missing();
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test_posix_spawn_nonexec();
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subtest = 2;
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test_posix_spawn_child();
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subtest = 3;
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test_posix_spawnattr();
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subtest = 4;
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fd = sink_stdout();
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test_posix_spawn_file_actions();
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restore_stdout(fd);
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subtest = 5;
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test_posix_spawn_file_actions_failures();
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/* TODO: Write/port more tests */
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quit();
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/* Not reached */
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return -1;
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}
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