1 /* $OpenBSD: t_getsid.c,v 1.2 2021/12/13 16:56:48 deraadt Exp $ */ 2 /* $NetBSD: t_getsid.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $ */ 3 4 /*- 5 * Copyright (c) 2011 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jukka Ruohonen. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include "macros.h" 34 35 #include <sys/wait.h> 36 37 #include <errno.h> 38 #include <stdlib.h> 39 #include <unistd.h> 40 41 #include "atf-c.h" 42 43 ATF_TC(getsid_current); 44 ATF_TC_HEAD(getsid_current, tc) 45 { 46 atf_tc_set_md_var(tc, "descr", "Test getsid(0)"); 47 } 48 49 ATF_TC_BODY(getsid_current, tc) 50 { 51 pid_t sid; 52 53 sid = getsid(0); 54 ATF_REQUIRE(sid != -1); 55 56 if (sid != getsid(getpid())) 57 atf_tc_fail("getsid(0) did not match the calling process"); 58 } 59 60 ATF_TC(getsid_err); 61 ATF_TC_HEAD(getsid_err, tc) 62 { 63 atf_tc_set_md_var(tc, "descr", "Test error conditions in getsid(2)"); 64 } 65 66 ATF_TC_BODY(getsid_err, tc) 67 { 68 69 errno = 0; 70 71 ATF_REQUIRE(getsid(-1) == -1); 72 ATF_REQUIRE(errno == ESRCH); 73 } 74 75 ATF_TC(getsid_process); 76 ATF_TC_HEAD(getsid_process, tc) 77 { 78 atf_tc_set_md_var(tc, "descr", "Test getsid(2) with processes"); 79 } 80 81 ATF_TC_BODY(getsid_process, tc) 82 { 83 pid_t csid, pid, ppid, sid; 84 int sta; 85 86 sid = getsid(0); 87 pid = fork(); 88 89 ATF_REQUIRE(pid >= 0); 90 ATF_REQUIRE(sid != -1); 91 92 if (pid == 0) { 93 94 csid = getsid(0); 95 ppid = getppid(); 96 97 if (sid != csid) 98 _exit(EXIT_FAILURE); 99 100 if (getsid(ppid) != csid) 101 _exit(EXIT_FAILURE); 102 103 _exit(EXIT_SUCCESS); 104 } 105 106 (void)wait(&sta); 107 108 if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS) 109 atf_tc_fail("invalid session ID"); 110 } 111 112 ATF_TP_ADD_TCS(tp) 113 { 114 115 ATF_TP_ADD_TC(tp, getsid_current); 116 ATF_TP_ADD_TC(tp, getsid_err); 117 ATF_TP_ADD_TC(tp, getsid_process); 118 119 return atf_no_error(); 120 } 121