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/wait.h> 33 #include <errno.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <spawn.h> 38 39 #include <atf-c.h> 40 41 char *myenv[2] = { "answer=42", NULL }; 42 43 ATF_TC_WITHOUT_HEAD(posix_spawn_simple_test); 44 ATF_TC_BODY(posix_spawn_simple_test, tc) 45 { 46 char *myargs[4]; 47 int error, status; 48 pid_t pid, waitres; 49 50 /* Make sure we have no child processes. */ 51 while (waitpid(-1, NULL, 0) != -1) 52 ; 53 ATF_REQUIRE_MSG(errno == ECHILD, "errno was not ECHILD: %d", errno); 54 55 /* Simple test. */ 56 myargs[0] = "sh"; 57 myargs[1] = "-c"; 58 myargs[2] = "exit $answer"; 59 myargs[3] = NULL; 60 error = posix_spawnp(&pid, myargs[0], NULL, NULL, myargs, myenv); 61 ATF_REQUIRE(error == 0); 62 waitres = waitpid(pid, &status, 0); 63 ATF_REQUIRE(waitres == pid); 64 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42); 65 } 66 67 ATF_TC_WITHOUT_HEAD(posix_spawn_no_such_command_negative_test); 68 ATF_TC_BODY(posix_spawn_no_such_command_negative_test, tc) 69 { 70 char *myargs[4]; 71 int error, status; 72 pid_t pid, waitres; 73 74 /* 75 * If the executable does not exist, the function shall either fail 76 * and not create a child process or succeed and create a child 77 * process that exits with status 127. 78 */ 79 myargs[0] = "/var/empty/nonexistent"; 80 myargs[1] = NULL; 81 error = posix_spawn(&pid, myargs[0], NULL, NULL, myargs, myenv); 82 if (error == 0) { 83 waitres = waitpid(pid, &status, 0); 84 ATF_REQUIRE(waitres == pid); 85 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 127); 86 } else { 87 ATF_REQUIRE(error == ENOENT); 88 waitres = waitpid(-1, NULL, 0); 89 ATF_REQUIRE(waitres == -1 && errno == ECHILD); 90 } 91 } 92 93 ATF_TC_WITHOUT_HEAD(posix_spawnp_enoexec_fallback); 94 ATF_TC_BODY(posix_spawnp_enoexec_fallback, tc) 95 { 96 char buf[FILENAME_MAX]; 97 char *myargs[2]; 98 int error, status; 99 pid_t pid, waitres; 100 101 snprintf(buf, sizeof(buf), "%s/spawnp_enoexec.sh", 102 atf_tc_get_config_var(tc, "srcdir")); 103 myargs[0] = buf; 104 myargs[1] = NULL; 105 error = posix_spawnp(&pid, myargs[0], NULL, NULL, myargs, myenv); 106 ATF_REQUIRE(error == 0); 107 waitres = waitpid(pid, &status, 0); 108 ATF_REQUIRE(waitres == pid); 109 ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42); 110 } 111 112 ATF_TC_WITHOUT_HEAD(posix_spawnp_enoexec_fallback_null_argv0); 113 ATF_TC_BODY(posix_spawnp_enoexec_fallback_null_argv0, tc) 114 { 115 char buf[FILENAME_MAX]; 116 char *myargs[1]; 117 int error; 118 pid_t pid; 119 120 snprintf(buf, sizeof(buf), "%s/spawnp_enoexec.sh", 121 atf_tc_get_config_var(tc, "srcdir")); 122 myargs[0] = NULL; 123 error = posix_spawnp(&pid, buf, NULL, NULL, myargs, myenv); 124 ATF_REQUIRE(error == EINVAL); 125 } 126 127 ATF_TP_ADD_TCS(tp) 128 { 129 130 ATF_TP_ADD_TC(tp, posix_spawn_simple_test); 131 ATF_TP_ADD_TC(tp, posix_spawn_no_such_command_negative_test); 132 ATF_TP_ADD_TC(tp, posix_spawnp_enoexec_fallback); 133 ATF_TP_ADD_TC(tp, posix_spawnp_enoexec_fallback_null_argv0); 134 135 return (atf_no_error()); 136 } 137