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 #include <sys/wait.h> 34 #include <errno.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <spawn.h> 39 40 #include <atf-c.h> 41 42 char *myenv[2] = { "answer=42", NULL }; 43 44 ATF_TC_WITHOUT_HEAD(posix_spawn_simple_test); 45 ATF_TC_BODY(posix_spawn_simple_test, tc) 46 { 47 char *myargs[4]; 48 int error, status; 49 pid_t pid, waitres; 50 51 /* Make sure we have no child processes. */ 52 while (waitpid(-1, NULL, 0) != -1) 53 ; 54 ATF_REQUIRE_MSG(errno == ECHILD, "errno was not ECHILD: %d", errno); 55 56 /* Simple test. */ 57 myargs[0] = "sh"; 58 myargs[1] = "-c"; 59 myargs[2] = "exit $answer"; 60 myargs[3] = NULL; 61 error = posix_spawnp(&pid, myargs[0], NULL, NULL, myargs, myenv); 62 ATF_REQUIRE(error == 0); 63 waitres = waitpid(pid, &status, 0); 64 ATF_REQUIRE(waitres == pid); 65 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42); 66 } 67 68 ATF_TC_WITHOUT_HEAD(posix_spawn_no_such_command_negative_test); 69 ATF_TC_BODY(posix_spawn_no_such_command_negative_test, tc) 70 { 71 char *myargs[4]; 72 int error, status; 73 pid_t pid, waitres; 74 75 /* 76 * If the executable does not exist, the function shall either fail 77 * and not create a child process or succeed and create a child 78 * process that exits with status 127. 79 */ 80 myargs[0] = "/var/empty/nonexistent"; 81 myargs[1] = NULL; 82 error = posix_spawn(&pid, myargs[0], NULL, NULL, myargs, myenv); 83 if (error == 0) { 84 waitres = waitpid(pid, &status, 0); 85 ATF_REQUIRE(waitres == pid); 86 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 127); 87 } else { 88 ATF_REQUIRE(error == ENOENT); 89 waitres = waitpid(-1, NULL, 0); 90 ATF_REQUIRE(waitres == -1 && errno == ECHILD); 91 } 92 } 93 94 ATF_TC_WITHOUT_HEAD(posix_spawnp_enoexec_fallback); 95 ATF_TC_BODY(posix_spawnp_enoexec_fallback, tc) 96 { 97 char buf[FILENAME_MAX]; 98 char *myargs[2]; 99 int error, status; 100 pid_t pid, waitres; 101 102 snprintf(buf, sizeof(buf), "%s/spawnp_enoexec.sh", 103 atf_tc_get_config_var(tc, "srcdir")); 104 myargs[0] = buf; 105 myargs[1] = NULL; 106 error = posix_spawnp(&pid, myargs[0], NULL, NULL, myargs, myenv); 107 ATF_REQUIRE(error == 0); 108 waitres = waitpid(pid, &status, 0); 109 ATF_REQUIRE(waitres == pid); 110 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42); 111 } 112 113 ATF_TC_WITHOUT_HEAD(posix_spawnp_enoexec_fallback_null_argv0); 114 ATF_TC_BODY(posix_spawnp_enoexec_fallback_null_argv0, tc) 115 { 116 char buf[FILENAME_MAX]; 117 char *myargs[1]; 118 int error; 119 pid_t pid; 120 121 snprintf(buf, sizeof(buf), "%s/spawnp_enoexec.sh", 122 atf_tc_get_config_var(tc, "srcdir")); 123 myargs[0] = NULL; 124 error = posix_spawnp(&pid, buf, NULL, NULL, myargs, myenv); 125 ATF_REQUIRE(error == EINVAL); 126 } 127 128 ATF_TP_ADD_TCS(tp) 129 { 130 131 ATF_TP_ADD_TC(tp, posix_spawn_simple_test); 132 ATF_TP_ADD_TC(tp, posix_spawn_no_such_command_negative_test); 133 ATF_TP_ADD_TC(tp, posix_spawnp_enoexec_fallback); 134 ATF_TP_ADD_TC(tp, posix_spawnp_enoexec_fallback_null_argv0); 135 136 return (atf_no_error()); 137 } 138