345 lines
9.0 KiB
C
345 lines
9.0 KiB
C
/*-
|
|
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
|
|
* NASA Ames Research Center.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* Obtained from: $NetBSD: msgtest.c,v 1.7 2002/07/20 08:36:25 grant Exp $
|
|
* $FreeBSD: /repoman/r/ncvs/src/tools/regression/sysvmsg/msgtest.c,v 1.1 2002/08/15 06:34:37 alfred Exp $
|
|
*/
|
|
|
|
/*
|
|
* Test the SVID-compatible Message Queue facility.
|
|
*/
|
|
|
|
/*
|
|
* CV, 2003-11-17: Add to Cygwin testsuite.
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/msg.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
#include "test.h"
|
|
#include "usctest.h"
|
|
|
|
const char *TCID = "msgtest"; /* Test program identifier. */
|
|
int TST_TOTAL = 31; /* Total number of test cases. */
|
|
extern int Tst_count; /* Test Case counter for tst_* routines */
|
|
|
|
void print_msqid_ds (struct msqid_ds *, mode_t);
|
|
void sigsys_handler(int);
|
|
void sigchld_handler (int);
|
|
void cleanup (void);
|
|
void receiver (void);
|
|
|
|
#define MESSAGE_TEXT_LEN 255
|
|
|
|
/*
|
|
* Define it as test_mymsg because we already have struct mymsg and we dont
|
|
* want to conflict with it. Also, regression fails when the default mymsg
|
|
* struct is used, because mtext[] array is '1', so the passed string cannot
|
|
* be processed.
|
|
*/
|
|
struct test_mymsg {
|
|
long mtype;
|
|
char mtext[MESSAGE_TEXT_LEN];
|
|
};
|
|
|
|
const char *m1_str = "California is overrated.";
|
|
const char *m2_str = "The quick brown fox jumped over the lazy dog.";
|
|
|
|
#define MTYPE_1 1
|
|
#define MTYPE_1_ACK 2
|
|
|
|
#define MTYPE_2 3
|
|
#define MTYPE_2_ACK 4
|
|
|
|
int sender_msqid = -1;
|
|
pid_t child_pid;
|
|
|
|
key_t msgkey;
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct sigaction sa;
|
|
struct msqid_ds m_ds;
|
|
struct test_mymsg m;
|
|
sigset_t sigmask;
|
|
|
|
Tst_count = 0;
|
|
|
|
/*
|
|
* Install a SIGSYS handler so that we can exit gracefully if
|
|
* System V Message Queue support isn't in the kernel.
|
|
*/
|
|
sa.sa_handler = sigsys_handler;
|
|
sigemptyset(&sa.sa_mask);
|
|
sa.sa_flags = 0;
|
|
if (sigaction(SIGSYS, &sa, NULL) == -1)
|
|
tst_brkm (TBROK, cleanup, "sigaction SIGSYS");
|
|
|
|
/*
|
|
* Install and SIGCHLD handler to deal with all possible exit
|
|
* conditions of the receiver.
|
|
*/
|
|
sa.sa_handler = sigchld_handler;
|
|
sigemptyset(&sa.sa_mask);
|
|
sa.sa_flags = 0;
|
|
if (sigaction(SIGCHLD, &sa, NULL) == -1)
|
|
tst_brkm (TBROK, cleanup, "sigaction SIGCHLD");
|
|
|
|
msgkey = ftok("/", 4160);
|
|
tst_resm (msgkey == (key_t)-1 ? TFAIL : TPASS,
|
|
"ftok(\"/\") returns valid value");
|
|
|
|
/*
|
|
* Initialize child_pid to ourselves to that the cleanup function
|
|
* works before we create the receiver.
|
|
*/
|
|
child_pid = getpid();
|
|
|
|
sender_msqid = msgget(msgkey, IPC_CREAT | 0640);
|
|
tst_resm (sender_msqid == -1 ? TFAIL : TPASS, "sender calls msgget");
|
|
|
|
tst_resm (msgctl(sender_msqid, IPC_STAT, &m_ds) == -1 ? TFAIL : TPASS,
|
|
"msgctl IPC_STAT");
|
|
|
|
print_msqid_ds(&m_ds, 0640);
|
|
|
|
m_ds.msg_perm.mode = (m_ds.msg_perm.mode & ~0777) | 0600;
|
|
|
|
tst_resm (msgctl(sender_msqid, IPC_SET, &m_ds) == -1 ? TFAIL : TPASS,
|
|
"msgctl IPC_SET");
|
|
|
|
bzero(&m_ds, sizeof m_ds);
|
|
|
|
tst_resm (msgctl(sender_msqid, IPC_STAT, &m_ds) == -1 ? TFAIL : TPASS,
|
|
"msgctl IPC_STAT");
|
|
|
|
tst_resm ((m_ds.msg_perm.mode & 0777) != 0600 ? TFAIL : TPASS,
|
|
"IPC_SET of mode holds");
|
|
|
|
print_msqid_ds(&m_ds, 0600);
|
|
|
|
switch ((child_pid = fork())) {
|
|
case -1:
|
|
tst_brkm (TBROK, cleanup, "fork");
|
|
/* NOTREACHED */
|
|
|
|
case 0:
|
|
tst_resm (TPASS, "fork");
|
|
receiver();
|
|
break;
|
|
|
|
default:
|
|
Tst_count += 8;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Send the first message to the receiver and wait for the ACK.
|
|
*/
|
|
m.mtype = MTYPE_1;
|
|
strcpy(m.mtext, m1_str);
|
|
tst_resm (msgsnd(sender_msqid, &m, sizeof(m), 0) == -1 ? TFAIL : TPASS,
|
|
"sender: msgsnd 1");
|
|
|
|
tst_resm (msgrcv(sender_msqid, &m, sizeof(m), MTYPE_1_ACK, 0)
|
|
!= sizeof(m) ? TFAIL : TPASS, "sender: msgrcv 1 ack");
|
|
|
|
print_msqid_ds(&m_ds, 0600);
|
|
|
|
/*
|
|
* Send the second message to the receiver and wait for the ACK.
|
|
*/
|
|
m.mtype = MTYPE_2;
|
|
strcpy(m.mtext, m2_str);
|
|
tst_resm (msgsnd(sender_msqid, &m, sizeof(m), 0) == -1 ? TFAIL : TPASS,
|
|
"sender: msgsnd 2");
|
|
|
|
tst_resm (msgrcv(sender_msqid, &m, sizeof(m), MTYPE_2_ACK, 0)
|
|
!= sizeof(m) ? TFAIL : TPASS, "sender: msgrcv 2 ack");
|
|
|
|
/*
|
|
* Suspend forever; when we get SIGCHLD, the handler will exit.
|
|
*/
|
|
sigemptyset(&sigmask);
|
|
(void) sigsuspend(&sigmask);
|
|
|
|
/*
|
|
* ...and any other signal is an unexpected error.
|
|
*/
|
|
tst_brkm (TBROK, cleanup, "sender: received unexpected signal");
|
|
exit (1);
|
|
}
|
|
|
|
void
|
|
sigsys_handler(int signo)
|
|
{
|
|
|
|
tst_brkm (TBROK, cleanup,
|
|
"System V Message Queue support is not present in the kernel");
|
|
}
|
|
|
|
void
|
|
sigchld_handler(int signo)
|
|
{
|
|
struct msqid_ds m_ds;
|
|
int cstatus;
|
|
|
|
/*
|
|
* Reap the child; if it exited successfully, then the test passed!
|
|
*/
|
|
if (waitpid(child_pid, &cstatus, 0) != child_pid)
|
|
tst_brkm (TBROK, cleanup, "waitpid");
|
|
|
|
if (WIFEXITED(cstatus) == 0)
|
|
tst_brkm (TBROK, cleanup, "receiver exited abnormally");
|
|
|
|
if (WEXITSTATUS(cstatus) != 0)
|
|
tst_brkm (TBROK, cleanup, "receiver exited with status %d",
|
|
WEXITSTATUS(cstatus));
|
|
|
|
/*
|
|
* If we get here, the child has exited normally, and thus
|
|
* we should exit normally too. First, tho, we print out
|
|
* the final stats for the message queue.
|
|
*/
|
|
|
|
tst_resm (msgctl(sender_msqid, IPC_STAT, &m_ds) == -1 ? TFAIL : TPASS,
|
|
"msgctl IPC_STAT");
|
|
|
|
print_msqid_ds(&m_ds, 0600);
|
|
|
|
cleanup ();
|
|
}
|
|
|
|
void
|
|
cleanup()
|
|
{
|
|
|
|
/*
|
|
* If we're the sender, and it exists, remove the message queue.
|
|
*/
|
|
if (child_pid != 0 && sender_msqid != -1) {
|
|
tst_resm (msgctl(sender_msqid, IPC_RMID, NULL) == -1
|
|
? TFAIL : TPASS, "msgctl IPC_RMID");
|
|
}
|
|
tst_exit ();
|
|
}
|
|
|
|
void
|
|
print_msqid_ds(struct msqid_ds *mp, mode_t mode)
|
|
{
|
|
uid_t uid = geteuid();
|
|
gid_t gid = getegid();
|
|
|
|
printf("PERM: uid %d, gid %d, cuid %d, cgid %d, mode 0%o\n",
|
|
(int)mp->msg_perm.uid, (int)mp->msg_perm.gid,
|
|
(int)mp->msg_perm.cuid, (int)mp->msg_perm.cgid,
|
|
mp->msg_perm.mode & 0777);
|
|
|
|
printf("qnum %lu, qbytes %lu, lspid %d, lrpid %d\n",
|
|
mp->msg_qnum, (u_long)mp->msg_qbytes, mp->msg_lspid,
|
|
mp->msg_lrpid);
|
|
|
|
printf("stime: %s", ctime(&mp->msg_stime));
|
|
printf("rtime: %s", ctime(&mp->msg_rtime));
|
|
printf("ctime: %s", ctime(&mp->msg_ctime));
|
|
|
|
/*
|
|
* Sanity check a few things.
|
|
*/
|
|
|
|
tst_resm (mp->msg_perm.uid != uid || mp->msg_perm.cuid != uid
|
|
? TFAIL : TPASS, "uid matches");
|
|
|
|
tst_resm (mp->msg_perm.gid != gid || mp->msg_perm.cgid != gid
|
|
? TFAIL : TPASS, "gid matches");
|
|
|
|
tst_resm ((mp->msg_perm.mode & 0777) != mode ? TFAIL : TPASS,
|
|
"mode matches");
|
|
}
|
|
|
|
void
|
|
receiver()
|
|
{
|
|
struct test_mymsg m;
|
|
int msqid;
|
|
|
|
tst_resm ((msqid = msgget(msgkey, 0)) == -1 ? TFAIL : TPASS,
|
|
"receiver: msgget");
|
|
|
|
/*
|
|
* Receive the first message, print it, and send an ACK.
|
|
*/
|
|
|
|
tst_resm (msgrcv(msqid, &m, sizeof(m), MTYPE_1, 0) != sizeof(m)
|
|
? TFAIL : TPASS, "receiver: msgrcv 1");
|
|
|
|
printf("%s\n", m.mtext);
|
|
tst_resm (strcmp(m.mtext, m1_str) != 0 ? TFAIL : TPASS,
|
|
"receiver: message 1 data is correct");
|
|
|
|
m.mtype = MTYPE_1_ACK;
|
|
|
|
tst_resm (msgsnd(msqid, &m, sizeof(m), 0) == -1 ? TFAIL : TPASS,
|
|
"receiver: msgsnd ack 1");
|
|
|
|
/*
|
|
* Receive the second message, print it, and send an ACK.
|
|
*/
|
|
|
|
tst_resm (msgrcv(msqid, &m, sizeof(m), MTYPE_2, 0) != sizeof(m)
|
|
? TFAIL : TPASS, "receiver: msgrcv 2");
|
|
|
|
printf("%s\n", m.mtext);
|
|
tst_resm (strcmp(m.mtext, m2_str) != 0 ? TFAIL : TPASS,
|
|
"receiver: message 2 data is correct");
|
|
|
|
m.mtype = MTYPE_2_ACK;
|
|
|
|
tst_resm (msgsnd(msqid, &m, sizeof(m), 0) == -1 ? TFAIL : TPASS,
|
|
"receiver: msgsnd ack 2");
|
|
|
|
/* Allow parent to receive message before getting SIGCHLD. */
|
|
sleep (1);
|
|
exit(0);
|
|
}
|