[apple/file_cmds.git] / ipcs / ipcs.c

/*
 * Copyright (c) 1994 SigmaSoft, Th. Lockert <tholo@sigmasoft.com>
 * All rights reserved.
 *
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
 */

#include <sys/cdefs.h>

#include <assert.h>
#include <err.h>
#include <fcntl.h>
#include <grp.h>
#include <nlist.h>
#include <limits.h>
#include <paths.h>
#include <pwd.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sysexits.h>

#include "sys/types.h"
#include <sys/ucred.h>
#include <sys/time.h>
#include <sys/proc.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <errno.h>
#include "sys/ipcs.h"
#define KERNEL 1		/* To get new ipc_perm and __(sem|shm|msg)ds_new */
#include "sys/ipc.h"
#include "sys/sem_internal.h"
#include "sys/shm_internal.h"
#include "sys/msg.h"


/* The following is a kludge, until the problem of multiple inclusions
   of ipc.h is taken care of. */
#ifndef IXSEQ_TO_IPCID
#define IXSEQ_TO_IPCID(ix,perm) (((perm._seq) << 16L) | (ix & 0xffff))
#endif

static char   *
fmt_perm(u_short mode, char write_char)
{
	static char buffer[100];

	buffer[0] = '-';
	buffer[1] = '-';
	buffer[2] = ((mode & 0400) ? 'r' : '-');
	buffer[3] = ((mode & 0200) ? write_char : '-');
	buffer[4] = '-';
	buffer[5] = ((mode & 0040) ? 'r' : '-');
	buffer[6] = ((mode & 0020) ? write_char : '-');
	buffer[7] = '-';
	buffer[8] = ((mode & 0004) ? 'r' : '-');
	buffer[9] = ((mode & 0002) ? write_char : '-');
	buffer[10] = '-';
	buffer[11] = '\0';
	return (&buffer[0]);
}

static void
cvt_time(time_t t, char *buf)
{
	struct tm *tm;

	if (t == 0) {
		strcpy(buf, "no-entry");
	} else {
		tm = localtime(&t);
		if (tm != NULL) {
			sprintf(buf, "%2d:%02d:%02d",
				tm->tm_hour, tm->tm_min, tm->tm_sec);
		}
	}
}
#define	SHMINFO		1
#define	SHMTOTAL	2
#define	MSGINFO		4
#define	MSGTOTAL	8
#define	SEMINFO		16
#define	SEMTOTAL	32

#define BIGGEST		1
#define CREATOR		2
#define OUTSTANDING	4
#define PID		8
#define TIME		16

static void
usage(void)
{
	errx(EX_USAGE, "%s","usage: ipcs [-abcmopqstMQST]\n");
}

int
main(argc, argv)
	int     argc;
	char   *argv[];
{
	int     display = 0;
	int     option = 0;
	int	exit_val = 0;
	time_t	now;
	char	datestring[100];
	int	i;

	while ((i = getopt(argc, argv, "MmQqSsabcoptT")) != -1)
		switch (i) {
		case 'M':
			display = SHMTOTAL;
			break;
		case 'm':
			display |= SHMINFO;
			break;
		case 'Q':
			display = MSGTOTAL;
			break;
		case 'q':
			display |= MSGINFO;
			break;
		case 'S':
			display = SEMTOTAL;
			break;
		case 's':
			display |= SEMINFO;
			break;
		case 'T':
			display = SHMTOTAL | MSGTOTAL | SEMTOTAL;
			break;
		case 'a':
			option |= BIGGEST | CREATOR | OUTSTANDING | PID | TIME;
			break;
		case 'b':
			option |= BIGGEST;
			break;
		case 'c':
			option |= CREATOR;
			break;
		case 'o':
			option |= OUTSTANDING;
			break;
		case 'p':
			option |= PID;
			break;
		case 't':
			option |= TIME;
			break;
		default:
			usage();
		}
	if (display == 0)
		display = SHMINFO | MSGINFO | SEMINFO;
	now = time(0);
	struct tm* tm = localtime(&now);
	if (tm == NULL) {
		now = 0;
		tm = localtime(&now);
	}
	if (0 == strftime(datestring, sizeof(datestring), "%a %b %e %H:%M:%S %Z %Y", tm))
	    errx(1, "strftime failed\n");
	printf("IPC status from <running system> as of %s\n", datestring);
	if ((display & (MSGINFO | MSGTOTAL))) {
		if (display & MSGTOTAL) {
			struct IPCS_command ic;
			struct msginfo msginfo;
			size_t ic_size = sizeof(ic);

			ic.ipcs_magic = IPCS_MAGIC;
			ic.ipcs_op = IPCS_MSG_CONF;
			ic.ipcs_cursor = 0;	/* 0 for fw. compat. */
			ic.ipcs_data = &msginfo;
			ic.ipcs_datalen = sizeof(msginfo);

			if (sysctlbyname(IPCS_MSG_SYSCTL, &ic, &ic_size, &ic, ic_size)) {
				if (errno != EPERM) {
					char buffer[1024];
					snprintf(buffer, 1024, "sysctlbyname(IPCS_MSG_SYSCTL, op=CONF, &ic, &%ld) datalen=%d",
						 sizeof(ic), ic.ipcs_datalen);
					perror(buffer);
				} else
					perror("sysctlbyname IPCS_MSG_SYSCTL");
			}

			printf("msginfo:\n");
			printf("\tmsgmax: %6d\t(max characters in a message)\n",
			    msginfo.msgmax);
			printf("\tmsgmni: %6d\t(# of message queues)\n",
			    msginfo.msgmni);
			printf("\tmsgmnb: %6d\t(max characters in a message queue)\n",
			    msginfo.msgmnb);
			printf("\tmsgtql: %6d\t(max # of messages in system)\n",
			    msginfo.msgtql);
			printf("\tmsgssz: %6d\t(size of a message segment)\n",
			    msginfo.msgssz);
			printf("\tmsgseg: %6d\t(# of message segments in system)\n\n",
			    msginfo.msgseg);
		}
		if (display & MSGINFO) {
			struct IPCS_command ic;
			struct __msqid_ds_new ds;
			struct __msqid_ds_new *msqptr = &ds;
			size_t ic_size = sizeof(ic);

			printf("T     ID     KEY        MODE       OWNER    GROUP");
			if (option & CREATOR)
				printf("  CREATOR   CGROUP");
			if (option & OUTSTANDING)
				printf(" CBYTES  QNUM");
			if (option & BIGGEST)
				printf(" QBYTES");
			if (option & PID)
				printf(" LSPID LRPID");
			if (option & TIME)
				printf("   STIME    RTIME    CTIME");
			printf("\nMessage Queues:\n");

			ic.ipcs_magic = IPCS_MAGIC;
			ic.ipcs_op = IPCS_MSG_ITER;
			ic.ipcs_cursor = 0;	/* start */
			ic.ipcs_datalen = sizeof(*msqptr);
			ic.ipcs_data = msqptr;

			memset(msqptr, 0, sizeof(*msqptr));

			while(!(sysctlbyname(IPCS_MSG_SYSCTL, &ic, &ic_size, &ic, ic_size))) {
				ic.ipcs_data = msqptr;

				if (msqptr->msg_qbytes != 0) {
					char    stime_buf[100], rtime_buf[100],
					        ctime_buf[100];

					cvt_time(msqptr->msg_stime, stime_buf);
					cvt_time(msqptr->msg_rtime, rtime_buf);
					cvt_time(msqptr->msg_ctime, ctime_buf);

					printf("q %6d 0x%08x %s %8s %8s",
					       IXSEQ_TO_IPCID((ic.ipcs_cursor-1), msqptr->msg_perm),
					    (int)msqptr->msg_perm._key,
					    fmt_perm(msqptr->msg_perm.mode, 'w'),
					    user_from_uid(msqptr->msg_perm.uid, 0),
					    group_from_gid(msqptr->msg_perm.gid, 0));

					if (option & CREATOR)
						printf(" %8s %8s",
						    user_from_uid(msqptr->msg_perm.cuid, 0),
						    group_from_gid(msqptr->msg_perm.cgid, 0));

					if (option & OUTSTANDING)
						printf(" %6lu %6lu",
						    msqptr->msg_cbytes,
						    msqptr->msg_qnum);

					if (option & BIGGEST)
						printf(" %6lu",
						    msqptr->msg_qbytes);

					if (option & PID)
						printf(" %6d %6d",
						    msqptr->msg_lspid,
						    msqptr->msg_lrpid);

					if (option & TIME)
						printf(" %s %s %s",
						    stime_buf,
						    rtime_buf,
						    ctime_buf);

					printf("\n");
				}
				memset(msqptr, 0, sizeof(*msqptr));
				errno = 0;
			}

			if (errno != ENOENT && errno != ERANGE) {
				if (errno != EPERM) {
					errx(1, "sysctlbyname(IPCS_MSG_SYSCTL, op=ITER, &ic, &%ld) datalen=%d failed:%s\n",
						 sizeof(ic), ic.ipcs_datalen, strerror(errno));
				} else
					errx(1, "sysctlbyname IPCS_MSG_SYSCTL: %s", strerror(errno));
			}
			printf("\n");
		}
	} else
		if (display & (MSGINFO | MSGTOTAL)) {
			errx(1, "%s", "SVID messages facility not configured in the system\n");
		}

	if ((display & (SHMINFO | SHMTOTAL))) {
		if (display & SHMTOTAL) {
			struct IPCS_command ic;
			struct shminfo shminfo;
			size_t ic_size = sizeof(ic);

			ic.ipcs_magic = IPCS_MAGIC;
			ic.ipcs_op = IPCS_SHM_CONF;
			ic.ipcs_cursor = 0;	/* 0 for fw. compat. */
			ic.ipcs_data = &shminfo;
			ic.ipcs_datalen = sizeof(shminfo);

			if (sysctlbyname(IPCS_SHM_SYSCTL, &ic, &ic_size, &ic, ic_size)) {
				if (errno != EPERM) {
					errx(1, "sysctlbyname(IPCS_SHM_SYSCTL, op=CONF, &ic, &%ld) datalen=%d failed: %s\n",
					     sizeof(ic), ic.ipcs_datalen, strerror(errno));
				} else
					errx(1, "sysctlbyname: %s", strerror(errno));
			}
			printf("shminfo:\n");
			printf("\tshmmax: %7lld\t(max shared memory segment size)\n",
			    shminfo.shmmax);
			printf("\tshmmin: %7lld\t(min shared memory segment size)\n",
			    shminfo.shmmin);
			printf("\tshmmni: %7lld\t(max number of shared memory identifiers)\n",
			    shminfo.shmmni);
			printf("\tshmseg: %7lld\t(max shared memory segments per process)\n",
			    shminfo.shmseg);
			printf("\tshmall: %7lld\t(max amount of shared memory in pages)\n\n",
			    shminfo.shmall);
		}
		if (display & SHMINFO) {
			struct IPCS_command ic;
			struct __shmid_ds_new ds;
			struct __shmid_ds_new *shmptr = &ds;
			size_t ic_size = sizeof(ic);

			printf("T     ID     KEY        MODE       OWNER    GROUP");
			if (option & CREATOR)
				printf("  CREATOR   CGROUP");
			if (option & OUTSTANDING)
				printf(" NATTCH");
			if (option & BIGGEST)
				printf("  SEGSZ");
			if (option & PID)
				printf("  CPID  LPID");
			if (option & TIME)
				printf("   ATIME    DTIME    CTIME");
			printf("\nShared Memory:\n");
		{	/* XXX */

			ic.ipcs_magic = IPCS_MAGIC;
			ic.ipcs_op = IPCS_SHM_ITER;
			ic.ipcs_cursor = 0;	/* start */
			ic.ipcs_datalen = sizeof(*shmptr);
			ic.ipcs_data = shmptr;
			memset(shmptr, 0, sizeof(*shmptr));

			while(!(sysctlbyname(IPCS_SHM_SYSCTL, &ic, &ic_size, &ic, ic_size))) {
				ic.ipcs_data = shmptr; /* xnu workaround */

				if (shmptr->shm_perm.mode & 0x0800) {
					char    atime_buf[100], dtime_buf[100],
					        ctime_buf[100];

					cvt_time(shmptr->shm_atime, atime_buf);
					cvt_time(shmptr->shm_dtime, dtime_buf);
					cvt_time(shmptr->shm_ctime, ctime_buf);

					printf("m %6d 0x%08x %s %8s %8s",
					       IXSEQ_TO_IPCID((ic.ipcs_cursor-1), shmptr->shm_perm),
					    (int)shmptr->shm_perm._key,
					    fmt_perm(shmptr->shm_perm.mode, 'w'),
					    user_from_uid(shmptr->shm_perm.uid, 0),
					    group_from_gid(shmptr->shm_perm.gid, 0));

					if (option & CREATOR)
						printf(" %8s %8s",
						    user_from_uid(shmptr->shm_perm.cuid, 0),
						    group_from_gid(shmptr->shm_perm.cgid, 0));

					if (option & OUTSTANDING)
						printf(" %6d",
						    shmptr->shm_nattch);

					if (option & BIGGEST)
						printf(" %6ld",
						    shmptr->shm_segsz);

					if (option & PID)
						printf(" %6d %6d",
						    shmptr->shm_cpid,
						    shmptr->shm_lpid);

					if (option & TIME)
						printf(" %s %s %s",
						    atime_buf,
						    dtime_buf,
						    ctime_buf);

					printf("\n");
				}
				memset(shmptr, 0, sizeof(*shmptr));
				errno = 0;
			}

			if (errno != ENOENT && errno != ERANGE) {
				if (errno != EPERM) {
					errx(1, "sysctlbyname(IPCS_SHM_SYSCTL, op=ITER, &ic, &%ld) datalen=%d failed:%s\n",
						 sizeof(ic), ic.ipcs_datalen, strerror(errno));
				} else
					errx(1, "sysctlbyname: %s", strerror(errno));
			}
		}	/* XXX */
			printf("\n");
		}
	}
else
		if (display & (SHMINFO | SHMTOTAL)) {
			errx(1, "%s", "SVID shared memory facility not configured in the system\n");
		}

	if ((display & (SEMINFO | SEMTOTAL))) {
		if (display & SEMTOTAL) {
			struct IPCS_command ic;
			struct seminfo seminfo;
			size_t ic_size = sizeof(ic);

			ic.ipcs_magic = IPCS_MAGIC;
			ic.ipcs_op = IPCS_SEM_CONF;
			ic.ipcs_cursor = 0;	/* 0 for fw. compat. */
			ic.ipcs_data = &seminfo;
			ic.ipcs_datalen = sizeof(seminfo);

			if (sysctlbyname(IPCS_SEM_SYSCTL, &ic, &ic_size, &ic, ic_size)) {
				if (errno != EPERM) {
					char buffer[1024];
					snprintf(buffer, 1024, "sysctlbyname(IPCS_SEM_SYSCTL, op=CONF, &ic, &%ld) datalen=%d",
						 sizeof(ic), ic.ipcs_datalen);
					perror(buffer);
				} else
					perror("sysctlbyname IPCS_SEM_SYSCTL/SEM_CONF");
			}

			printf("seminfo:\n");
			printf("\tsemmap: %6d\t(# of entries in semaphore map)\n",
			    seminfo.semmap);
			printf("\tsemmni: %6d\t(# of semaphore identifiers)\n",
			    seminfo.semmni);
			printf("\tsemmns: %6d\t(# of semaphores in system)\n",
			    seminfo.semmns);
			printf("\tsemmnu: %6d\t(# of undo structures in system)\n",
			    seminfo.semmnu);
			printf("\tsemmsl: %6d\t(max # of semaphores per id)\n",
			    seminfo.semmsl);
			printf("\tsemopm: %6d\t(max # of operations per semop call)\n",
			    seminfo.semopm);
			printf("\tsemume: %6d\t(max # of undo entries per process)\n",
			    seminfo.semume);
			printf("\tsemusz: %6d\t(size in bytes of undo structure)\n",
			    seminfo.semusz);
			printf("\tsemvmx: %6d\t(semaphore maximum value)\n",
			    seminfo.semvmx);
			printf("\tsemaem: %6d\t(adjust on exit max value)\n\n",
			    seminfo.semaem);
		}
		if (display & SEMINFO) {
			struct IPCS_command ic;
			struct __semid_ds_new ds;
			struct __semid_ds_new *semaptr = &ds;
			size_t ic_size = sizeof(ic);

			printf("T     ID     KEY        MODE       OWNER    GROUP");
			if (option & CREATOR)
				printf("  CREATOR   CGROUP");
			if (option & BIGGEST)
				printf(" NSEMS");
			if (option & TIME)
				printf("   OTIME    CTIME");
			printf("\nSemaphores:\n");

			ic.ipcs_magic = IPCS_MAGIC;
			ic.ipcs_op = IPCS_SEM_ITER;
			ic.ipcs_cursor = 0;	/* start */
			ic.ipcs_datalen = sizeof(*semaptr);
			ic.ipcs_data = semaptr;

			memset(semaptr, 0, sizeof(*semaptr));

			while(!(sysctlbyname(IPCS_SEM_SYSCTL, &ic, &ic_size, &ic, ic_size))) {
				ic.ipcs_data = semaptr;	/* xnu workaround */

				if ((semaptr->sem_perm.mode & SEM_ALLOC) != 0) {
					char    ctime_buf[100], otime_buf[100];

					cvt_time(semaptr->sem_otime, otime_buf);
					cvt_time(semaptr->sem_ctime, ctime_buf);

					printf("s %6d 0x%08x %s %8s %8s",
					       IXSEQ_TO_IPCID((ic.ipcs_cursor-1), semaptr->sem_perm),
					    (int)semaptr->sem_perm._key,
					    fmt_perm(semaptr->sem_perm.mode, 'a'),
					    user_from_uid(semaptr->sem_perm.uid, 0),
					    group_from_gid(semaptr->sem_perm.gid, 0));

					if (option & CREATOR)
						printf(" %8s %8s",
						    user_from_uid(semaptr->sem_perm.cuid, 0),
						    group_from_gid(semaptr->sem_perm.cgid, 0));

					if (option & BIGGEST)
						printf(" %6d",
						    semaptr->sem_nsems);

					if (option & TIME)
						printf(" %s %s",
						    otime_buf,
						    ctime_buf);

					printf("\n");
				}
				memset(semaptr, 0, sizeof(*semaptr));
				errno = 0;
			}

			if (errno != ENOENT && errno != ERANGE) {
				if (errno != EPERM) {
					errx(1, "sysctlbyname(IPCS_SEM_SYSCTL/ITER, op=ITER, &ic, &%ld) datalen=%d failed: %s\n",
						 sizeof(ic), ic.ipcs_datalen, strerror(errno));
				} else
					errx(1, "sysctlbyname: IPCS_SEM_SYSCTL %s", strerror(errno));
			}
			printf("\n");
		}
	} else
		if (display & (SEMINFO | SEMTOTAL)) {
			errx(1, "%s", "SVID semaphores facility not configured in the system\n");
		}

	exit(exit_val);
}
Commit	Line	Data
c59d3020 A	1	/*
	2	* Copyright (c) 1994 SigmaSoft, Th. Lockert <tholo@sigmasoft.com>
	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	* 3. The name of the author may not be used to endorse or promote products
	14	* derived from this software without specific prior written permission.
	15	*
	16	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	17	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	18	* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
	19	* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	20	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	21	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
	22	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	23	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	24	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	25	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	26	*/
	27
	28	#include <sys/cdefs.h>
	29
	30	#include <assert.h>
	31	#include <err.h>
	32	#include <fcntl.h>
	33	#include <grp.h>
c59d3020 A	34	#include <nlist.h>
	35	#include <limits.h>
	36	#include <paths.h>
	37	#include <pwd.h>
	38	#include <stddef.h>
	39	#include <stdio.h>
	40	#include <stdlib.h>
	41	#include <string.h>
	42	#include <unistd.h>
864a4b6e	43	#include <sysexits.h>
c59d3020	44
40bf83fe	45	#include "sys/types.h"
c59d3020	46	#include <sys/ucred.h>
864a4b6e	47	#include <sys/time.h>
c59d3020 A	48	#include <sys/proc.h>
c59d3020 A	49	#include <sys/param.h>
c59d3020	50	#include <sys/sysctl.h>
864a4b6e	51	#include <errno.h>
c59d3020	52	#include "sys/ipcs.h"
864a4b6e A	53	#define KERNEL 1 /* To get new ipc_perm and __(sem\|shm\|msg)ds_new */
	54	#include "sys/ipc.h"
	55	#include "sys/sem_internal.h"
	56	#include "sys/shm_internal.h"
	57	#include "sys/msg.h"
	58
c59d3020 A	59
	60	/* The following is a kludge, until the problem of multiple inclusions
	61	of ipc.h is taken care of. */
	62	#ifndef IXSEQ_TO_IPCID
864a4b6e	63	#define IXSEQ_TO_IPCID(ix,perm) (((perm._seq) << 16L) \| (ix & 0xffff))
c59d3020 A	64	#endif
c59d3020 A	65
4d0bb651	66	static char *
864a4b6e	67	fmt_perm(u_short mode, char write_char)
c59d3020 A	68	{
	69	static char buffer[100];
	70
	71	buffer[0] = '-';
	72	buffer[1] = '-';
	73	buffer[2] = ((mode & 0400) ? 'r' : '-');
864a4b6e A	74	buffer[3] = ((mode & 0200) ? write_char : '-');
864a4b6e A	75	buffer[4] = '-';
c59d3020	76	buffer[5] = ((mode & 0040) ? 'r' : '-');
864a4b6e A	77	buffer[6] = ((mode & 0020) ? write_char : '-');
864a4b6e A	78	buffer[7] = '-';
c59d3020	79	buffer[8] = ((mode & 0004) ? 'r' : '-');
864a4b6e A	80	buffer[9] = ((mode & 0002) ? write_char : '-');
864a4b6e A	81	buffer[10] = '-';
c59d3020 A	82	buffer[11] = '\0';
	83	return (&buffer[0]);
	84	}
	85
4d0bb651	86	static void
864a4b6e	87	cvt_time(time_t t, char *buf)
c59d3020 A	88	{
	89	struct tm *tm;
	90
	91	if (t == 0) {
	92	strcpy(buf, "no-entry");
	93	} else {
	94	tm = localtime(&t);
4d0bb651 A	95	if (tm != NULL) {
	96	sprintf(buf, "%2d:%02d:%02d",
	97	tm->tm_hour, tm->tm_min, tm->tm_sec);
	98	}
c59d3020 A	99	}
	100	}
	101	#define SHMINFO 1
	102	#define SHMTOTAL 2
	103	#define MSGINFO 4
	104	#define MSGTOTAL 8
	105	#define SEMINFO 16
	106	#define SEMTOTAL 32
	107
	108	#define BIGGEST 1
	109	#define CREATOR 2
	110	#define OUTSTANDING 4
	111	#define PID 8
	112	#define TIME 16
	113
4d0bb651 A	114	static void
4d0bb651 A	115	usage(void)
864a4b6e A	116	{
	117	errx(EX_USAGE, "%s","usage: ipcs [-abcmopqstMQST]\n");
	118	}
	119
c59d3020 A	120	int
	121	main(argc, argv)
	122	int argc;
	123	char *argv[];
	124	{
864a4b6e	125	int display = 0;
c59d3020	126	int option = 0;
864a4b6e A	127	int exit_val = 0;
	128	time_t now;
	129	char datestring[100];
	130	int i;
	131
c59d3020 A	132	while ((i = getopt(argc, argv, "MmQqSsabcoptT")) != -1)
	133	switch (i) {
	134	case 'M':
	135	display = SHMTOTAL;
	136	break;
	137	case 'm':
864a4b6e	138	display \|= SHMINFO;
c59d3020 A	139	break;
	140	case 'Q':
	141	display = MSGTOTAL;
	142	break;
	143	case 'q':
864a4b6e	144	display \|= MSGINFO;
c59d3020 A	145	break;
	146	case 'S':
	147	display = SEMTOTAL;
	148	break;
	149	case 's':
864a4b6e	150	display \|= SEMINFO;
c59d3020 A	151	break;
	152	case 'T':
	153	display = SHMTOTAL \| MSGTOTAL \| SEMTOTAL;
	154	break;
	155	case 'a':
	156	option \|= BIGGEST \| CREATOR \| OUTSTANDING \| PID \| TIME;
	157	break;
	158	case 'b':
	159	option \|= BIGGEST;
	160	break;
	161	case 'c':
	162	option \|= CREATOR;
	163	break;
	164	case 'o':
	165	option \|= OUTSTANDING;
	166	break;
	167	case 'p':
	168	option \|= PID;
	169	break;
	170	case 't':
	171	option \|= TIME;
	172	break;
	173	default:
	174	usage();
	175	}
864a4b6e A	176	if (display == 0)
	177	display = SHMINFO \| MSGINFO \| SEMINFO;
	178	now = time(0);
4d0bb651 A	179	struct tm* tm = localtime(&now);
	180	if (tm == NULL) {
	181	now = 0;
	182	tm = localtime(&now);
	183	}
	184	if (0 == strftime(datestring, sizeof(datestring), "%a %b %e %H:%M:%S %Z %Y", tm))
864a4b6e A	185	errx(1, "strftime failed\n");
864a4b6e A	186	printf("IPC status from <running system> as of %s\n", datestring);
c59d3020 A	187	if ((display & (MSGINFO \| MSGTOTAL))) {
	188	if (display & MSGTOTAL) {
	189	struct IPCS_command ic;
	190	struct msginfo msginfo;
	191	size_t ic_size = sizeof(ic);
	192
	193	ic.ipcs_magic = IPCS_MAGIC;
	194	ic.ipcs_op = IPCS_MSG_CONF;
	195	ic.ipcs_cursor = 0; /* 0 for fw. compat. */
	196	ic.ipcs_data = &msginfo;
	197	ic.ipcs_datalen = sizeof(msginfo);
	198
29341915	199	if (sysctlbyname(IPCS_MSG_SYSCTL, &ic, &ic_size, &ic, ic_size)) {
864a4b6e A	200	if (errno != EPERM) {
	201	char buffer[1024];
	202	snprintf(buffer, 1024, "sysctlbyname(IPCS_MSG_SYSCTL, op=CONF, &ic, &%ld) datalen=%d",
	203	sizeof(ic), ic.ipcs_datalen);
	204	perror(buffer);
	205	} else
	206	perror("sysctlbyname IPCS_MSG_SYSCTL");
	207	}
	208
c59d3020 A	209	printf("msginfo:\n");
	210	printf("\tmsgmax: %6d\t(max characters in a message)\n",
	211	msginfo.msgmax);
	212	printf("\tmsgmni: %6d\t(# of message queues)\n",
	213	msginfo.msgmni);
	214	printf("\tmsgmnb: %6d\t(max characters in a message queue)\n",
	215	msginfo.msgmnb);
	216	printf("\tmsgtql: %6d\t(max # of messages in system)\n",
	217	msginfo.msgtql);
	218	printf("\tmsgssz: %6d\t(size of a message segment)\n",
	219	msginfo.msgssz);
	220	printf("\tmsgseg: %6d\t(# of message segments in system)\n\n",
	221	msginfo.msgseg);
	222	}
	223	if (display & MSGINFO) {
	224	struct IPCS_command ic;
864a4b6e A	225	struct __msqid_ds_new ds;
864a4b6e A	226	struct __msqid_ds_new *msqptr = &ds;
c59d3020 A	227	size_t ic_size = sizeof(ic);
c59d3020 A	228
c59d3020 A	229	printf("T ID KEY MODE OWNER GROUP");
	230	if (option & CREATOR)
	231	printf(" CREATOR CGROUP");
	232	if (option & OUTSTANDING)
	233	printf(" CBYTES QNUM");
	234	if (option & BIGGEST)
	235	printf(" QBYTES");
	236	if (option & PID)
	237	printf(" LSPID LRPID");
	238	if (option & TIME)
	239	printf(" STIME RTIME CTIME");
864a4b6e	240	printf("\nMessage Queues:\n");
c59d3020 A	241
	242	ic.ipcs_magic = IPCS_MAGIC;
	243	ic.ipcs_op = IPCS_MSG_ITER;
	244	ic.ipcs_cursor = 0; /* start */
c59d3020	245	ic.ipcs_datalen = sizeof(*msqptr);
864a4b6e A	246	ic.ipcs_data = msqptr;
	247
	248	memset(msqptr, 0, sizeof(*msqptr));
	249
29341915	250	while(!(sysctlbyname(IPCS_MSG_SYSCTL, &ic, &ic_size, &ic, ic_size))) {
864a4b6e	251	ic.ipcs_data = msqptr;
c59d3020	252
c59d3020 A	253	if (msqptr->msg_qbytes != 0) {
	254	char stime_buf[100], rtime_buf[100],
	255	ctime_buf[100];
	256
	257	cvt_time(msqptr->msg_stime, stime_buf);
	258	cvt_time(msqptr->msg_rtime, rtime_buf);
	259	cvt_time(msqptr->msg_ctime, ctime_buf);
	260
864a4b6e	261	printf("q %6d 0x%08x %s %8s %8s",
40bf83fe	262	IXSEQ_TO_IPCID((ic.ipcs_cursor-1), msqptr->msg_perm),
864a4b6e A	263	(int)msqptr->msg_perm._key,
864a4b6e A	264	fmt_perm(msqptr->msg_perm.mode, 'w'),
c59d3020 A	265	user_from_uid(msqptr->msg_perm.uid, 0),
	266	group_from_gid(msqptr->msg_perm.gid, 0));
	267
	268	if (option & CREATOR)
	269	printf(" %8s %8s",
	270	user_from_uid(msqptr->msg_perm.cuid, 0),
	271	group_from_gid(msqptr->msg_perm.cgid, 0));
	272
	273	if (option & OUTSTANDING)
	274	printf(" %6lu %6lu",
	275	msqptr->msg_cbytes,
	276	msqptr->msg_qnum);
	277
	278	if (option & BIGGEST)
	279	printf(" %6lu",
	280	msqptr->msg_qbytes);
	281
	282	if (option & PID)
	283	printf(" %6d %6d",
	284	msqptr->msg_lspid,
	285	msqptr->msg_lrpid);
	286
	287	if (option & TIME)
	288	printf(" %s %s %s",
	289	stime_buf,
	290	rtime_buf,
	291	ctime_buf);
	292
	293	printf("\n");
	294	}
864a4b6e A	295	memset(msqptr, 0, sizeof(*msqptr));
	296	errno = 0;
	297	}
	298
	299	if (errno != ENOENT && errno != ERANGE) {
	300	if (errno != EPERM) {
	301	errx(1, "sysctlbyname(IPCS_MSG_SYSCTL, op=ITER, &ic, &%ld) datalen=%d failed:%s\n",
	302	sizeof(ic), ic.ipcs_datalen, strerror(errno));
	303	} else
	304	errx(1, "sysctlbyname IPCS_MSG_SYSCTL: %s", strerror(errno));
c59d3020 A	305	}
	306	printf("\n");
	307	}
	308	} else
	309	if (display & (MSGINFO \| MSGTOTAL)) {
864a4b6e	310	errx(1, "%s", "SVID messages facility not configured in the system\n");
c59d3020 A	311	}
	312
	313	if ((display & (SHMINFO \| SHMTOTAL))) {
	314	if (display & SHMTOTAL) {
	315	struct IPCS_command ic;
	316	struct shminfo shminfo;
	317	size_t ic_size = sizeof(ic);
	318
	319	ic.ipcs_magic = IPCS_MAGIC;
	320	ic.ipcs_op = IPCS_SHM_CONF;
	321	ic.ipcs_cursor = 0; /* 0 for fw. compat. */
	322	ic.ipcs_data = &shminfo;
	323	ic.ipcs_datalen = sizeof(shminfo);
	324
29341915	325	if (sysctlbyname(IPCS_SHM_SYSCTL, &ic, &ic_size, &ic, ic_size)) {
864a4b6e A	326	if (errno != EPERM) {
	327	errx(1, "sysctlbyname(IPCS_SHM_SYSCTL, op=CONF, &ic, &%ld) datalen=%d failed: %s\n",
	328	sizeof(ic), ic.ipcs_datalen, strerror(errno));
	329	} else
	330	errx(1, "sysctlbyname: %s", strerror(errno));
	331	}
c59d3020	332	printf("shminfo:\n");
864a4b6e	333	printf("\tshmmax: %7lld\t(max shared memory segment size)\n",
c59d3020	334	shminfo.shmmax);
864a4b6e	335	printf("\tshmmin: %7lld\t(min shared memory segment size)\n",
c59d3020	336	shminfo.shmmin);
864a4b6e	337	printf("\tshmmni: %7lld\t(max number of shared memory identifiers)\n",
c59d3020	338	shminfo.shmmni);
864a4b6e	339	printf("\tshmseg: %7lld\t(max shared memory segments per process)\n",
c59d3020	340	shminfo.shmseg);
864a4b6e	341	printf("\tshmall: %7lld\t(max amount of shared memory in pages)\n\n",
c59d3020 A	342	shminfo.shmall);
	343	}
	344	if (display & SHMINFO) {
	345	struct IPCS_command ic;
864a4b6e A	346	struct __shmid_ds_new ds;
864a4b6e A	347	struct __shmid_ds_new *shmptr = &ds;
c59d3020 A	348	size_t ic_size = sizeof(ic);
c59d3020 A	349
c59d3020 A	350	printf("T ID KEY MODE OWNER GROUP");
	351	if (option & CREATOR)
	352	printf(" CREATOR CGROUP");
	353	if (option & OUTSTANDING)
	354	printf(" NATTCH");
	355	if (option & BIGGEST)
	356	printf(" SEGSZ");
	357	if (option & PID)
	358	printf(" CPID LPID");
	359	if (option & TIME)
	360	printf(" ATIME DTIME CTIME");
864a4b6e	361	printf("\nShared Memory:\n");
c59d3020 A	362	{ /* XXX */
	363
	364	ic.ipcs_magic = IPCS_MAGIC;
	365	ic.ipcs_op = IPCS_SHM_ITER;
	366	ic.ipcs_cursor = 0; /* start */
c59d3020	367	ic.ipcs_datalen = sizeof(*shmptr);
864a4b6e	368	ic.ipcs_data = shmptr;
4d0bb651	369	memset(shmptr, 0, sizeof(*shmptr));
864a4b6e	370
29341915	371	while(!(sysctlbyname(IPCS_SHM_SYSCTL, &ic, &ic_size, &ic, ic_size))) {
864a4b6e	372	ic.ipcs_data = shmptr; /* xnu workaround */
c59d3020	373
c59d3020 A	374	if (shmptr->shm_perm.mode & 0x0800) {
	375	char atime_buf[100], dtime_buf[100],
	376	ctime_buf[100];
	377
	378	cvt_time(shmptr->shm_atime, atime_buf);
	379	cvt_time(shmptr->shm_dtime, dtime_buf);
	380	cvt_time(shmptr->shm_ctime, ctime_buf);
	381
864a4b6e	382	printf("m %6d 0x%08x %s %8s %8s",
40bf83fe	383	IXSEQ_TO_IPCID((ic.ipcs_cursor-1), shmptr->shm_perm),
864a4b6e A	384	(int)shmptr->shm_perm._key,
864a4b6e A	385	fmt_perm(shmptr->shm_perm.mode, 'w'),
c59d3020 A	386	user_from_uid(shmptr->shm_perm.uid, 0),
	387	group_from_gid(shmptr->shm_perm.gid, 0));
	388
	389	if (option & CREATOR)
	390	printf(" %8s %8s",
	391	user_from_uid(shmptr->shm_perm.cuid, 0),
	392	group_from_gid(shmptr->shm_perm.cgid, 0));
	393
	394	if (option & OUTSTANDING)
	395	printf(" %6d",
	396	shmptr->shm_nattch);
	397
	398	if (option & BIGGEST)
864a4b6e	399	printf(" %6ld",
c59d3020 A	400	shmptr->shm_segsz);
	401
	402	if (option & PID)
	403	printf(" %6d %6d",
	404	shmptr->shm_cpid,
	405	shmptr->shm_lpid);
	406
	407	if (option & TIME)
	408	printf(" %s %s %s",
	409	atime_buf,
	410	dtime_buf,
	411	ctime_buf);
	412
	413	printf("\n");
	414	}
864a4b6e A	415	memset(shmptr, 0, sizeof(*shmptr));
	416	errno = 0;
	417	}
	418
	419	if (errno != ENOENT && errno != ERANGE) {
	420	if (errno != EPERM) {
	421	errx(1, "sysctlbyname(IPCS_SHM_SYSCTL, op=ITER, &ic, &%ld) datalen=%d failed:%s\n",
	422	sizeof(ic), ic.ipcs_datalen, strerror(errno));
	423	} else
	424	errx(1, "sysctlbyname: %s", strerror(errno));
c59d3020 A	425	}
	426	} /* XXX */
	427	printf("\n");
	428	}
	429	}
	430	else
	431	if (display & (SHMINFO \| SHMTOTAL)) {
864a4b6e	432	errx(1, "%s", "SVID shared memory facility not configured in the system\n");
c59d3020 A	433	}
	434
	435	if ((display & (SEMINFO \| SEMTOTAL))) {
	436	if (display & SEMTOTAL) {
	437	struct IPCS_command ic;
	438	struct seminfo seminfo;
	439	size_t ic_size = sizeof(ic);
	440
	441	ic.ipcs_magic = IPCS_MAGIC;
	442	ic.ipcs_op = IPCS_SEM_CONF;
	443	ic.ipcs_cursor = 0; /* 0 for fw. compat. */
	444	ic.ipcs_data = &seminfo;
	445	ic.ipcs_datalen = sizeof(seminfo);
	446
29341915	447	if (sysctlbyname(IPCS_SEM_SYSCTL, &ic, &ic_size, &ic, ic_size)) {
864a4b6e A	448	if (errno != EPERM) {
	449	char buffer[1024];
	450	snprintf(buffer, 1024, "sysctlbyname(IPCS_SEM_SYSCTL, op=CONF, &ic, &%ld) datalen=%d",
	451	sizeof(ic), ic.ipcs_datalen);
	452	perror(buffer);
	453	} else
	454	perror("sysctlbyname IPCS_SEM_SYSCTL/SEM_CONF");
	455	}
	456
c59d3020 A	457	printf("seminfo:\n");
	458	printf("\tsemmap: %6d\t(# of entries in semaphore map)\n",
	459	seminfo.semmap);
	460	printf("\tsemmni: %6d\t(# of semaphore identifiers)\n",
	461	seminfo.semmni);
	462	printf("\tsemmns: %6d\t(# of semaphores in system)\n",
	463	seminfo.semmns);
	464	printf("\tsemmnu: %6d\t(# of undo structures in system)\n",
	465	seminfo.semmnu);
	466	printf("\tsemmsl: %6d\t(max # of semaphores per id)\n",
	467	seminfo.semmsl);
	468	printf("\tsemopm: %6d\t(max # of operations per semop call)\n",
	469	seminfo.semopm);
	470	printf("\tsemume: %6d\t(max # of undo entries per process)\n",
	471	seminfo.semume);
	472	printf("\tsemusz: %6d\t(size in bytes of undo structure)\n",
	473	seminfo.semusz);
	474	printf("\tsemvmx: %6d\t(semaphore maximum value)\n",
	475	seminfo.semvmx);
	476	printf("\tsemaem: %6d\t(adjust on exit max value)\n\n",
	477	seminfo.semaem);
	478	}
	479	if (display & SEMINFO) {
	480	struct IPCS_command ic;
864a4b6e A	481	struct __semid_ds_new ds;
864a4b6e A	482	struct __semid_ds_new *semaptr = &ds;
c59d3020 A	483	size_t ic_size = sizeof(ic);
c59d3020 A	484
c59d3020 A	485	printf("T ID KEY MODE OWNER GROUP");
	486	if (option & CREATOR)
	487	printf(" CREATOR CGROUP");
	488	if (option & BIGGEST)
	489	printf(" NSEMS");
	490	if (option & TIME)
	491	printf(" OTIME CTIME");
864a4b6e	492	printf("\nSemaphores:\n");
c59d3020 A	493
	494	ic.ipcs_magic = IPCS_MAGIC;
	495	ic.ipcs_op = IPCS_SEM_ITER;
	496	ic.ipcs_cursor = 0; /* start */
c59d3020	497	ic.ipcs_datalen = sizeof(*semaptr);
864a4b6e A	498	ic.ipcs_data = semaptr;
	499
	500	memset(semaptr, 0, sizeof(*semaptr));
	501
29341915	502	while(!(sysctlbyname(IPCS_SEM_SYSCTL, &ic, &ic_size, &ic, ic_size))) {
864a4b6e	503	ic.ipcs_data = semaptr; /* xnu workaround */
c59d3020	504
c59d3020 A	505	if ((semaptr->sem_perm.mode & SEM_ALLOC) != 0) {
	506	char ctime_buf[100], otime_buf[100];
	507
	508	cvt_time(semaptr->sem_otime, otime_buf);
	509	cvt_time(semaptr->sem_ctime, ctime_buf);
	510
864a4b6e	511	printf("s %6d 0x%08x %s %8s %8s",
40bf83fe	512	IXSEQ_TO_IPCID((ic.ipcs_cursor-1), semaptr->sem_perm),
864a4b6e A	513	(int)semaptr->sem_perm._key,
864a4b6e A	514	fmt_perm(semaptr->sem_perm.mode, 'a'),
c59d3020 A	515	user_from_uid(semaptr->sem_perm.uid, 0),
	516	group_from_gid(semaptr->sem_perm.gid, 0));
	517
	518	if (option & CREATOR)
	519	printf(" %8s %8s",
	520	user_from_uid(semaptr->sem_perm.cuid, 0),
	521	group_from_gid(semaptr->sem_perm.cgid, 0));
	522
	523	if (option & BIGGEST)
	524	printf(" %6d",
	525	semaptr->sem_nsems);
	526
	527	if (option & TIME)
	528	printf(" %s %s",
	529	otime_buf,
	530	ctime_buf);
	531
	532	printf("\n");
	533	}
864a4b6e A	534	memset(semaptr, 0, sizeof(*semaptr));
864a4b6e A	535	errno = 0;
c59d3020 A	536	}
c59d3020 A	537
864a4b6e A	538	if (errno != ENOENT && errno != ERANGE) {
	539	if (errno != EPERM) {
	540	errx(1, "sysctlbyname(IPCS_SEM_SYSCTL/ITER, op=ITER, &ic, &%ld) datalen=%d failed: %s\n",
	541	sizeof(ic), ic.ipcs_datalen, strerror(errno));
	542	} else
	543	errx(1, "sysctlbyname: IPCS_SEM_SYSCTL %s", strerror(errno));
	544	}
c59d3020 A	545	printf("\n");
	546	}
	547	} else
	548	if (display & (SEMINFO \| SEMTOTAL)) {
864a4b6e	549	errx(1, "%s", "SVID semaphores facility not configured in the system\n");
c59d3020 A	550	}
c59d3020 A	551
864a4b6e	552	exit(exit_val);
c59d3020	553	}