1 /*- 2 * Copyright (c) 2011 Jilles Tjoelker 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 /* 28 * Test program for posix_spawn() and posix_spawnp() as specified by 29 * IEEE Std. 1003.1-2008. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include <sys/wait.h> 36 #include <errno.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <string.h> 40 #include <spawn.h> 41 42 #include <atf-c.h> 43 44 char *myenv[2] = { "answer=42", NULL }; 45 46 ATF_TC_WITHOUT_HEAD(posix_spawn_simple_test); 47 ATF_TC_BODY(posix_spawn_simple_test, tc) 48 { 49 char *myargs[4]; 50 int error, status; 51 pid_t pid, waitres; 52 53 /* Make sure we have no child processes. */ 54 while (waitpid(-1, NULL, 0) != -1) 55 ; 56 ATF_REQUIRE_MSG(errno == ECHILD, "errno was not ECHILD: %d", errno); 57 58 /* Simple test. */ 59 myargs[0] = "sh"; 60 myargs[1] = "-c"; 61 myargs[2] = "exit $answer"; 62 myargs[3] = NULL; 63 error = posix_spawnp(&pid, myargs[0], NULL, NULL, myargs, myenv); 64 ATF_REQUIRE(error == 0); 65 waitres = waitpid(pid, &status, 0); 66 ATF_REQUIRE(waitres == pid); 67 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42); 68 } 69 70 ATF_TC_WITHOUT_HEAD(posix_spawn_no_such_command_negative_test); 71 ATF_TC_BODY(posix_spawn_no_such_command_negative_test, tc) 72 { 73 char *myargs[4]; 74 int error, status; 75 pid_t pid, waitres; 76 77 /* 78 * If the executable does not exist, the function shall either fail 79 * and not create a child process or succeed and create a child 80 * process that exits with status 127. 81 */ 82 myargs[0] = "/var/empty/nonexistent"; 83 myargs[1] = NULL; 84 error = posix_spawn(&pid, myargs[0], NULL, NULL, myargs, myenv); 85 if (error == 0) { 86 waitres = waitpid(pid, &status, 0); 87 ATF_REQUIRE(waitres == pid); 88 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 127); 89 } else { 90 ATF_REQUIRE(error == ENOENT); 91 waitres = waitpid(-1, NULL, 0); 92 ATF_REQUIRE(waitres == -1 && errno == ECHILD); 93 } 94 } 95 96 ATF_TC_WITHOUT_HEAD(posix_spawnp_enoexec_fallback); 97 ATF_TC_BODY(posix_spawnp_enoexec_fallback, tc) 98 { 99 char buf[FILENAME_MAX]; 100 char *myargs[2]; 101 int error, status; 102 pid_t pid, waitres; 103 104 snprintf(buf, sizeof(buf), "%s/spawnp_enoexec.sh", 105 atf_tc_get_config_var(tc, "srcdir")); 106 myargs[0] = buf; 107 myargs[1] = NULL; 108 error = posix_spawnp(&pid, myargs[0], NULL, NULL, myargs, myenv); 109 ATF_REQUIRE(error == 0); 110 waitres = waitpid(pid, &status, 0); 111 ATF_REQUIRE(waitres == pid); 112 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42); 113 } 114 115 ATF_TC_WITHOUT_HEAD(posix_spawnp_enoexec_fallback_null_argv0); 116 ATF_TC_BODY(posix_spawnp_enoexec_fallback_null_argv0, tc) 117 { 118 char buf[FILENAME_MAX]; 119 char *myargs[1]; 120 int error, status; 121 pid_t pid, waitres; 122 123 snprintf(buf, sizeof(buf), "%s/spawnp_enoexec.sh", 124 atf_tc_get_config_var(tc, "srcdir")); 125 myargs[0] = NULL; 126 error = posix_spawnp(&pid, buf, NULL, NULL, myargs, myenv); 127 ATF_REQUIRE(error == 0); 128 waitres = waitpid(pid, &status, 0); 129 ATF_REQUIRE(waitres == pid); 130 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42); 131 } 132 133 ATF_TP_ADD_TCS(tp) 134 { 135 136 ATF_TP_ADD_TC(tp, posix_spawn_simple_test); 137 ATF_TP_ADD_TC(tp, posix_spawn_no_such_command_negative_test); 138 ATF_TP_ADD_TC(tp, posix_spawnp_enoexec_fallback); 139 ATF_TP_ADD_TC(tp, posix_spawnp_enoexec_fallback_null_argv0); 140 141 return (atf_no_error()); 142 } 143