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c9afc7680f
This test was written because execvp was found to improperly handle the
argc == 0 case when it falls back from an ENOEXEC. We could probably
mostly revert it now, but let's just fix the test for the time being and
circle back later to decide if we want to simplify execvp. The test
will likely remain either way just to make sure execvp isn't working
around the newly enforced restriction with the fallback.
Fixes: 301cb491ea ("execvp: fix up the ENOEXEC fallback")
Reported by: jenkins via lwhsu@
139 lines
4.2 KiB
C
139 lines
4.2 KiB
C
/*-
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* Copyright (c) 2011 Jilles Tjoelker
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* All rights reserved.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Test program for posix_spawn() and posix_spawnp() as specified by
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* IEEE Std. 1003.1-2008.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/wait.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <spawn.h>
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#include <atf-c.h>
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char *myenv[2] = { "answer=42", NULL };
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ATF_TC_WITHOUT_HEAD(posix_spawn_simple_test);
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ATF_TC_BODY(posix_spawn_simple_test, tc)
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{
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char *myargs[4];
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int error, status;
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pid_t pid, waitres;
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/* Make sure we have no child processes. */
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while (waitpid(-1, NULL, 0) != -1)
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;
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ATF_REQUIRE_MSG(errno == ECHILD, "errno was not ECHILD: %d", errno);
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/* Simple test. */
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myargs[0] = "sh";
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myargs[1] = "-c";
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myargs[2] = "exit $answer";
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myargs[3] = NULL;
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error = posix_spawnp(&pid, myargs[0], NULL, NULL, myargs, myenv);
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ATF_REQUIRE(error == 0);
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waitres = waitpid(pid, &status, 0);
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ATF_REQUIRE(waitres == pid);
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ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42);
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}
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ATF_TC_WITHOUT_HEAD(posix_spawn_no_such_command_negative_test);
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ATF_TC_BODY(posix_spawn_no_such_command_negative_test, tc)
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{
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char *myargs[4];
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int error, status;
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pid_t pid, waitres;
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/*
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* If the executable does not exist, the function shall either fail
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* and not create a child process or succeed and create a child
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* process that exits with status 127.
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*/
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myargs[0] = "/var/empty/nonexistent";
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myargs[1] = NULL;
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error = posix_spawn(&pid, myargs[0], NULL, NULL, myargs, myenv);
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if (error == 0) {
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waitres = waitpid(pid, &status, 0);
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ATF_REQUIRE(waitres == pid);
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ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 127);
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} else {
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ATF_REQUIRE(error == ENOENT);
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waitres = waitpid(-1, NULL, 0);
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ATF_REQUIRE(waitres == -1 && errno == ECHILD);
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}
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}
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ATF_TC_WITHOUT_HEAD(posix_spawnp_enoexec_fallback);
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ATF_TC_BODY(posix_spawnp_enoexec_fallback, tc)
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{
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char buf[FILENAME_MAX];
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char *myargs[2];
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int error, status;
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pid_t pid, waitres;
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snprintf(buf, sizeof(buf), "%s/spawnp_enoexec.sh",
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atf_tc_get_config_var(tc, "srcdir"));
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myargs[0] = buf;
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myargs[1] = NULL;
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error = posix_spawnp(&pid, myargs[0], NULL, NULL, myargs, myenv);
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ATF_REQUIRE(error == 0);
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waitres = waitpid(pid, &status, 0);
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ATF_REQUIRE(waitres == pid);
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ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42);
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}
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ATF_TC_WITHOUT_HEAD(posix_spawnp_enoexec_fallback_null_argv0);
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ATF_TC_BODY(posix_spawnp_enoexec_fallback_null_argv0, tc)
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{
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char buf[FILENAME_MAX];
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char *myargs[1];
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int error;
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pid_t pid;
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snprintf(buf, sizeof(buf), "%s/spawnp_enoexec.sh",
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atf_tc_get_config_var(tc, "srcdir"));
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myargs[0] = NULL;
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error = posix_spawnp(&pid, buf, NULL, NULL, myargs, myenv);
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ATF_REQUIRE(error == EINVAL);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, posix_spawn_simple_test);
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ATF_TP_ADD_TC(tp, posix_spawn_no_such_command_negative_test);
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ATF_TP_ADD_TC(tp, posix_spawnp_enoexec_fallback);
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ATF_TP_ADD_TC(tp, posix_spawnp_enoexec_fallback_null_argv0);
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return (atf_no_error());
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}
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