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