![[BACK]](/icons/back.gif){kind=icon}
Return to ipcs.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / ipcs|
Return to ipcs.c CVS log | Up to [local] / src / usr.bin / ipcs |
1.17 ! mpech 1: /* $OpenBSD: ipcs.c,v 1.16 2001/09/28 01:44:37 millert Exp $ */
1.16 millert 2: /* $NetBSD: ipcs.c,v 1.25 2000/06/16 03:58:20 simonb Exp $ */
3:
4: /*-
5: * Copyright (c) 2000 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Simon Burge.
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: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
1.1 deraadt 39:
40: /*
41: * Copyright (c) 1994 SigmaSoft, Th. Lockert <tholo@sigmasoft.com>
42: * All rights reserved.
43: *
44: * Redistribution and use in source and binary forms, with or without
45: * modification, are permitted provided that the following conditions
46: * are met:
47: * 1. Redistributions of source code must retain the above copyright
48: * notice, this list of conditions and the following disclaimer.
49: * 2. Redistributions in binary form must reproduce the above copyright
50: * notice, this list of conditions and the following disclaimer in the
51: * documentation and/or other materials provided with the distribution.
1.12 tholo 52: * 3. The name of the author may not be used to endorse or promote products
1.1 deraadt 53: * derived from this software without specific prior written permission.
54: *
55: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
56: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
57: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
58: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
59: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
60: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
61: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
62: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
63: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
64: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65: */
66:
67: #include <sys/param.h>
1.16 millert 68: #include <sys/sysctl.h>
1.1 deraadt 69: #define _KERNEL
70: #include <sys/ipc.h>
71: #include <sys/sem.h>
72: #include <sys/shm.h>
73: #include <sys/msg.h>
1.3 deraadt 74: #undef _KERNEL
75:
76: #include <err.h>
77: #include <fcntl.h>
1.16 millert 78: #include <grp.h>
1.3 deraadt 79: #include <kvm.h>
80: #include <limits.h>
81: #include <nlist.h>
82: #include <paths.h>
1.16 millert 83: #include <pwd.h>
1.3 deraadt 84: #include <stdio.h>
85: #include <stdlib.h>
86: #include <string.h>
1.16 millert 87: #include <time.h>
1.3 deraadt 88: #include <unistd.h>
1.1 deraadt 89:
1.16 millert 90: void cvt_time(time_t, char *, size_t);
91: char *fmt_perm(mode_t);
92: void ipcs_kvm(void);
93: int main(int, char **);
94: void msg_sysctl(void);
95: void sem_sysctl(void);
96: void shm_sysctl(void);
97: void show_msginfo(time_t, time_t, time_t, int, key_t, mode_t, uid_t,
98: gid_t, uid_t, gid_t, u_long, u_long, u_long, pid_t, pid_t);
99: void show_msginfo_hdr(void);
100: void show_msgtotal(struct msginfo *);
101: void show_seminfo_hdr(void);
102: void show_seminfo(time_t, time_t, int, key_t, mode_t, uid_t, gid_t,
103: uid_t, gid_t, int16_t);
104: void show_semtotal(struct seminfo *);
105: void show_shminfo(time_t, time_t, time_t, int, key_t, mode_t, uid_t,
106: gid_t, uid_t, gid_t, u_int32_t, int, pid_t, pid_t);
107: void show_shminfo_hdr(void);
108: void show_shmtotal(struct shminfo *);
109: __dead void usage(void);
1.3 deraadt 110:
1.16 millert 111: char *
112: fmt_perm(mode_t mode)
1.1 deraadt 113: {
1.16 millert 114: static char buffer[12];
1.1 deraadt 115:
116: buffer[0] = '-';
117: buffer[1] = '-';
118: buffer[2] = ((mode & 0400) ? 'r' : '-');
119: buffer[3] = ((mode & 0200) ? 'w' : '-');
120: buffer[4] = ((mode & 0100) ? 'a' : '-');
121: buffer[5] = ((mode & 0040) ? 'r' : '-');
122: buffer[6] = ((mode & 0020) ? 'w' : '-');
123: buffer[7] = ((mode & 0010) ? 'a' : '-');
124: buffer[8] = ((mode & 0004) ? 'r' : '-');
125: buffer[9] = ((mode & 0002) ? 'w' : '-');
126: buffer[10] = ((mode & 0001) ? 'a' : '-');
127: buffer[11] = '\0';
128: return (&buffer[0]);
129: }
130:
131: void
1.16 millert 132: cvt_time(time_t t, char *buf, size_t buflen)
1.1 deraadt 133: {
134: struct tm *tm;
135:
1.16 millert 136: if (t == 0)
137: (void)strlcpy(buf, "no-entry", buflen);
138: else {
1.1 deraadt 139: tm = localtime(&t);
1.16 millert 140: (void)snprintf(buf, buflen, "%2d:%02d:%02d",
1.1 deraadt 141: tm->tm_hour, tm->tm_min, tm->tm_sec);
142: }
143: }
144: #define SHMINFO 1
145: #define SHMTOTAL 2
146: #define MSGINFO 4
147: #define MSGTOTAL 8
148: #define SEMINFO 16
149: #define SEMTOTAL 32
150:
151: #define BIGGEST 1
152: #define CREATOR 2
153: #define OUTSTANDING 4
154: #define PID 8
155: #define TIME 16
156:
1.16 millert 157: char *core = NULL, *namelist = NULL;
158: int display = SHMINFO | MSGINFO | SEMINFO;
159: int option = 0;
160:
1.1 deraadt 161: int
1.16 millert 162: main(int argc, char **argv)
163: {
164: int ch;
1.1 deraadt 165:
1.16 millert 166: while ((ch = getopt(argc, argv, "MmQqSsabC:cN:optT")) != -1)
167: switch (ch) {
1.1 deraadt 168: case 'M':
169: display = SHMTOTAL;
170: break;
171: case 'm':
172: display = SHMINFO;
173: break;
174: case 'Q':
175: display = MSGTOTAL;
176: break;
177: case 'q':
178: display = MSGINFO;
179: break;
180: case 'S':
181: display = SEMTOTAL;
182: break;
183: case 's':
184: display = SEMINFO;
185: break;
186: case 'T':
187: display = SHMTOTAL | MSGTOTAL | SEMTOTAL;
188: break;
189: case 'a':
190: option |= BIGGEST | CREATOR | OUTSTANDING | PID | TIME;
191: break;
192: case 'b':
193: option |= BIGGEST;
194: break;
195: case 'C':
196: core = optarg;
197: break;
198: case 'c':
199: option |= CREATOR;
200: break;
201: case 'N':
202: namelist = optarg;
203: break;
204: case 'o':
205: option |= OUTSTANDING;
206: break;
207: case 'p':
208: option |= PID;
209: break;
210: case 't':
211: option |= TIME;
212: break;
213: default:
214: usage();
215: }
1.16 millert 216:
217: if (argc - optind > 0)
218: usage();
219:
220: if (namelist == NULL && core == NULL) {
221: if (display & (MSGINFO | MSGTOTAL))
222: msg_sysctl();
223: if (display & (SHMINFO | SHMTOTAL))
224: shm_sysctl();
225: if (display & (SEMINFO | SEMTOTAL))
226: sem_sysctl();
227: } else
228: ipcs_kvm();
229:
230: exit(0);
231: }
232:
233: void
234: show_msgtotal(struct msginfo *msginfo)
235: {
236:
237: printf("msginfo:\n");
238: printf("\tmsgmax: %6d\t(max characters in a message)\n",
239: msginfo->msgmax);
240: printf("\tmsgmni: %6d\t(# of message queues)\n",
241: msginfo->msgmni);
242: printf("\tmsgmnb: %6d\t(max characters in a message queue)\n",
243: msginfo->msgmnb);
244: printf("\tmsgtql: %6d\t(max # of messages in system)\n",
245: msginfo->msgtql);
246: printf("\tmsgssz: %6d\t(size of a message segment)\n",
247: msginfo->msgssz);
248: printf("\tmsgseg: %6d\t(# of message segments in system)\n\n",
249: msginfo->msgseg);
250: }
251:
252: void
253: show_shmtotal(struct shminfo *shminfo)
254: {
255:
256: printf("shminfo:\n");
257: printf("\tshmmax: %7d\t(max shared memory segment size)\n",
258: shminfo->shmmax);
259: printf("\tshmmin: %7d\t(min shared memory segment size)\n",
260: shminfo->shmmin);
261: printf("\tshmmni: %7d\t(max number of shared memory identifiers)\n",
262: shminfo->shmmni);
263: printf("\tshmseg: %7d\t(max shared memory segments per process)\n",
264: shminfo->shmseg);
265: printf("\tshmall: %7d\t(max amount of shared memory in pages)\n\n",
266: shminfo->shmall);
267: }
268:
269: void
270: show_semtotal(struct seminfo *seminfo)
271: {
272:
273: printf("seminfo:\n");
274: printf("\tsemmni: %6d\t(# of semaphore identifiers)\n",
275: seminfo->semmni);
276: printf("\tsemmns: %6d\t(# of semaphores in system)\n",
277: seminfo->semmns);
278: printf("\tsemmnu: %6d\t(# of undo structures in system)\n",
279: seminfo->semmnu);
280: printf("\tsemmsl: %6d\t(max # of semaphores per id)\n",
281: seminfo->semmsl);
282: printf("\tsemopm: %6d\t(max # of operations per semop call)\n",
283: seminfo->semopm);
284: printf("\tsemume: %6d\t(max # of undo entries per process)\n",
285: seminfo->semume);
286: printf("\tsemusz: %6d\t(size in bytes of undo structure)\n",
287: seminfo->semusz);
288: printf("\tsemvmx: %6d\t(semaphore maximum value)\n",
289: seminfo->semvmx);
290: printf("\tsemaem: %6d\t(adjust on exit max value)\n\n",
291: seminfo->semaem);
292: }
293:
294: void
295: show_msginfo_hdr(void)
296: {
297:
298: printf("Message Queues:\n");
299: printf("T ID KEY MODE OWNER GROUP");
300: if (option & CREATOR)
301: printf(" CREATOR CGROUP");
302: if (option & OUTSTANDING)
303: printf(" CBYTES QNUM");
304: if (option & BIGGEST)
305: printf(" QBYTES");
306: if (option & PID)
307: printf(" LSPID LRPID");
308: if (option & TIME)
309: printf(" STIME RTIME CTIME");
310: printf("\n");
311: }
312:
313: void
314: show_msginfo(time_t stime, time_t rtime, time_t ctime, int ipcid, key_t key,
315: mode_t mode, uid_t uid, gid_t gid, uid_t cuid, gid_t cgid,
316: u_long cbytes, u_long qnum, u_long qbytes, pid_t lspid,
317: pid_t lrpid)
318: {
319: char stime_buf[100], rtime_buf[100], ctime_buf[100];
320:
321: if (option & TIME) {
322: cvt_time(stime, stime_buf, sizeof(stime_buf));
323: cvt_time(rtime, rtime_buf, sizeof(rtime_buf));
324: cvt_time(ctime, ctime_buf, sizeof(ctime_buf));
325: }
326:
327: printf("q %6d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
328: user_from_uid(uid, 0), group_from_gid(gid, 0));
329:
330: if (option & CREATOR)
331: printf(" %8s %8s", user_from_uid(cuid, 0),
332: group_from_gid(cgid, 0));
333:
334: if (option & OUTSTANDING)
335: printf(" %6lu %5lu", cbytes, qnum);
336:
337: if (option & BIGGEST)
338: printf(" %6lu", qbytes);
339:
340: if (option & PID)
1.17 ! mpech 341: printf(" %5ld %5ld", (long)lspid, (long)lrpid);
1.16 millert 342:
343: if (option & TIME)
344: printf(" %s %s %s", stime_buf, rtime_buf, ctime_buf);
345:
346: printf("\n");
347: }
348:
349: void
350: show_shminfo_hdr(void)
351: {
352:
353: printf("Shared Memory:\n");
354: printf("T ID KEY MODE OWNER GROUP");
355: if (option & CREATOR)
356: printf(" CREATOR CGROUP");
357: if (option & OUTSTANDING)
358: printf(" NATTCH");
359: if (option & BIGGEST)
360: printf(" SEGSZ");
361: if (option & PID)
362: printf(" CPID LPID");
363: if (option & TIME)
364: printf(" ATIME DTIME CTIME");
365: printf("\n");
366: }
367:
368: void
369: show_shminfo(time_t atime, time_t dtime, time_t ctime, int ipcid, key_t key,
370: mode_t mode, uid_t uid, gid_t gid, uid_t cuid, gid_t cgid,
371: u_int32_t nattch, int segsz, pid_t cpid, pid_t lpid)
372: {
373: char atime_buf[100], dtime_buf[100], ctime_buf[100];
374:
375: if (option & TIME) {
376: cvt_time(atime, atime_buf, sizeof(atime_buf));
377: cvt_time(dtime, dtime_buf, sizeof(dtime_buf));
378: cvt_time(ctime, ctime_buf, sizeof(ctime_buf));
379: }
380:
381: printf("m %6d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
382: user_from_uid(uid, 0), group_from_gid(gid, 0));
383:
384: if (option & CREATOR)
385: printf(" %8s %8s", user_from_uid(cuid, 0),
386: group_from_gid(cgid, 0));
387:
388: if (option & OUTSTANDING)
389: printf(" %6d", nattch);
390:
391: if (option & BIGGEST)
392: printf(" %7d", segsz);
393:
394: if (option & PID)
395: printf(" %5d %5d", cpid, lpid);
396:
397: if (option & TIME)
398: printf(" %s %s %s",
399: atime_buf,
400: dtime_buf,
401: ctime_buf);
402:
403: printf("\n");
404: }
405:
406: void
407: show_seminfo_hdr(void)
408: {
409:
410: printf("Semaphores:\n");
411: printf("T ID KEY MODE OWNER GROUP");
412: if (option & CREATOR)
413: printf(" CREATOR CGROUP");
414: if (option & BIGGEST)
415: printf(" NSEMS");
416: if (option & TIME)
417: printf(" OTIME CTIME");
418: printf("\n");
419: }
420:
421: void
422: show_seminfo(time_t otime, time_t ctime, int ipcid, key_t key, mode_t mode,
423: uid_t uid, gid_t gid, uid_t cuid, gid_t cgid, int16_t nsems)
424: {
425: char ctime_buf[100], otime_buf[100];
426:
427: if (option & TIME) {
428: cvt_time(otime, otime_buf, sizeof(otime_buf));
429: cvt_time(ctime, ctime_buf, sizeof(ctime_buf));
430: }
431:
432: printf("s %6d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
433: user_from_uid(uid, 0), group_from_gid(gid, 0));
434:
435: if (option & CREATOR)
436: printf(" %8s %8s", user_from_uid(cuid, 0),
437: group_from_gid(cgid, 0));
438:
439: if (option & BIGGEST)
440: printf(" %5d", nsems);
441:
442: if (option & TIME)
443: printf(" %s %s", otime_buf, ctime_buf);
444:
445: printf("\n");
446: }
447:
448: void
449: msg_sysctl(void)
450: {
451: struct msg_sysctl_info *msgsi;
452: char *buf;
453: int mib[3];
454: size_t len;
455: int i, valid;
456:
457: mib[0] = CTL_KERN;
458: mib[1] = KERN_SYSVMSG;
459: len = sizeof(valid);
460: if (sysctl(mib, 2, &valid, &len, NULL, NULL) < 0) {
461: warn("sysctl(KERN_SYSVMSG)");
462: return;
463: }
464: if (!valid) {
465: warnx("SVID messages facility not configured in the system");
466: return;
467: }
468:
469: mib[0] = CTL_KERN;
470: mib[1] = KERN_SYSVIPC_INFO;
471: mib[2] = KERN_SYSVIPC_MSG_INFO;
472:
473: if (!(display & MSGINFO)) {
474: /* totals only */
475: len = sizeof(struct msginfo);
476: } else {
477: if (sysctl(mib, 3, NULL, &len, NULL, NULL) < 0) {
478: warn("sysctl(KERN_SYSVIPC_MSG_INFO)");
479: return;
480: }
481: }
482:
483: if ((buf = malloc(len)) == NULL)
484: err(1, "malloc");
485: msgsi = (struct msg_sysctl_info *)buf;
486: if (sysctl(mib, 3, msgsi, &len, NULL, NULL) < 0) {
487: warn("sysctl(KERN_SYSVIPC_MSG_INFO)");
488: return;
1.6 tholo 489: }
1.8 deraadt 490:
1.16 millert 491: if (display & MSGTOTAL)
492: show_msgtotal(&msgsi->msginfo);
493:
494: if (display & MSGINFO) {
495: show_msginfo_hdr();
496: for (i = 0; i < msgsi->msginfo.msgmni; i++) {
497: struct msqid_ds *msqptr = &msgsi->msgids[i];
498: if (msqptr->msg_qbytes != 0)
499: show_msginfo(msqptr->msg_stime,
500: msqptr->msg_rtime,
501: msqptr->msg_ctime,
502: IXSEQ_TO_IPCID(i, msqptr->msg_perm),
503: msqptr->msg_perm.key,
504: msqptr->msg_perm.mode,
505: msqptr->msg_perm.uid,
506: msqptr->msg_perm.gid,
507: msqptr->msg_perm.cuid,
508: msqptr->msg_perm.cgid,
509: msqptr->msg_cbytes,
510: msqptr->msg_qnum,
511: msqptr->msg_qbytes,
512: msqptr->msg_lspid,
513: msqptr->msg_lrpid);
514: }
515: printf("\n");
516: }
517: }
518:
519: void
520: shm_sysctl(void)
521: {
522: struct shm_sysctl_info *shmsi;
523: char *buf;
524: int mib[3];
525: size_t len;
526: int i /*, valid */;
527: long valid;
528:
529: mib[0] = CTL_KERN;
530: mib[1] = KERN_SYSVSHM;
531: len = sizeof(valid);
532: if (sysctl(mib, 2, &valid, &len, NULL, NULL) < 0) {
533: warn("sysctl(KERN_SYSVSHM)");
534: return;
535: }
536: if (!valid) {
537: warnx("SVID shared memory facility not configured in "
538: "the system");
539: return;
540: }
541:
542: mib[0] = CTL_KERN;
543: mib[1] = KERN_SYSVIPC_INFO;
544: mib[2] = KERN_SYSVIPC_SHM_INFO;
545:
546: if (!(display & SHMINFO)) {
547: /* totals only */
548: len = sizeof(struct shminfo);
549: } else {
550: if (sysctl(mib, 3, NULL, &len, NULL, NULL) < 0) {
551: warn("sysctl(KERN_SYSVIPC_SHM_INFO)");
552: return;
553: }
554: }
555:
556: if ((buf = malloc(len)) == NULL)
557: err(1, "malloc");
558: shmsi = (struct shm_sysctl_info *)buf;
559: if (sysctl(mib, 3, shmsi, &len, NULL, NULL) < 0) {
560: warn("sysctl(KERN_SYSVIPC_SHM_INFO)");
561: return;
562: }
563:
564: if (display & SHMTOTAL)
565: show_shmtotal(&shmsi->shminfo);
566:
567: if (display & SHMINFO) {
568: show_shminfo_hdr();
569: for (i = 0; i < shmsi->shminfo.shmmni; i++) {
570: struct shmid_ds *shmptr = &shmsi->shmids[i];
571: if (shmptr->shm_perm.mode & 0x0800)
572: show_shminfo(shmptr->shm_atime,
573: shmptr->shm_dtime,
574: shmptr->shm_ctime,
575: IXSEQ_TO_IPCID(i, shmptr->shm_perm),
576: shmptr->shm_perm.key,
577: shmptr->shm_perm.mode,
578: shmptr->shm_perm.uid,
579: shmptr->shm_perm.gid,
580: shmptr->shm_perm.cuid,
581: shmptr->shm_perm.cgid,
582: shmptr->shm_nattch,
583: shmptr->shm_segsz,
584: shmptr->shm_cpid,
585: shmptr->shm_lpid);
586: }
587: printf("\n");
588: }
589: }
590:
591: void
592: sem_sysctl(void)
593: {
594: struct sem_sysctl_info *semsi;
595: char *buf;
596: int mib[3];
597: size_t len;
598: int i, valid;
599:
600: mib[0] = CTL_KERN;
601: mib[1] = KERN_SYSVSEM;
602: len = sizeof(valid);
603: if (sysctl(mib, 2, &valid, &len, NULL, NULL) < 0) {
604: warn("sysctl(KERN_SYSVSEM)");
605: return;
606: }
607: if (!valid) {
608: warnx("SVID shared memory facility not configured in "
609: "the system");
610: return;
611: }
612:
613: mib[0] = CTL_KERN;
614: mib[1] = KERN_SYSVIPC_INFO;
615: mib[2] = KERN_SYSVIPC_SEM_INFO;
616:
617: if (!(display & SEMINFO)) {
618: /* totals only */
619: len = sizeof(struct seminfo);
620: } else {
621: if (sysctl(mib, 3, NULL, &len, NULL, NULL) < 0) {
622: warn("sysctl(KERN_SYSVIPC_SEM_INFO)");
623: return;
624: }
625: }
626:
627: if ((buf = malloc(len)) == NULL)
628: err(1, "malloc");
629: semsi = (struct sem_sysctl_info *)buf;
630: if (sysctl(mib, 3, semsi, &len, NULL, NULL) < 0) {
631: warn("sysctl(KERN_SYSVIPC_SEM_INFO)");
632: return;
633: }
634:
635: if (display & SEMTOTAL)
636: show_semtotal(&semsi->seminfo);
637:
638: if (display & SEMINFO) {
639: show_seminfo_hdr();
640: for (i = 0; i < semsi->seminfo.semmni; i++) {
641: struct semid_ds *semaptr = &semsi->semids[i];
642: if ((semaptr->sem_perm.mode & SEM_ALLOC) != 0)
643: show_seminfo(semaptr->sem_otime,
644: semaptr->sem_ctime,
645: IXSEQ_TO_IPCID(i, semaptr->sem_perm),
646: semaptr->sem_perm.key,
647: semaptr->sem_perm.mode,
648: semaptr->sem_perm.uid,
649: semaptr->sem_perm.gid,
650: semaptr->sem_perm.cuid,
651: semaptr->sem_perm.cgid,
652: semaptr->sem_nsems);
653: }
654: printf("\n");
655: }
656: }
657:
658: void
659: ipcs_kvm(void)
660: {
661: struct msginfo msginfo;
662: struct msqid_ds *msqids;
663: struct seminfo seminfo;
664: struct semid_ds *sema;
665: struct shminfo shminfo;
666: struct shmid_ds *shmsegs;
667: kvm_t *kd;
668: char errbuf[_POSIX2_LINE_MAX];
669: int i;
670: struct nlist symbols[] = {
671: {"_sema"},
672: #define X_SEMA 0
673: {"_seminfo"},
674: #define X_SEMINFO 1
675: {"_semu"},
676: #define X_SEMU 2
677: {"_msginfo"},
678: #define X_MSGINFO 3
679: {"_msqids"},
680: #define X_MSQIDS 4
681: {"_shminfo"},
682: #define X_SHMINFO 5
683: {"_shmsegs"},
684: #define X_SHMSEGS 6
685: {NULL}
686: };
687:
688: if ((kd = kvm_openfiles(namelist, core, NULL, O_RDONLY,
689: errbuf)) == NULL)
690: errx(1, "can't open kvm: %s", errbuf);
1.1 deraadt 691:
692: switch (kvm_nlist(kd, symbols)) {
693: case 0:
694: break;
695: case -1:
1.16 millert 696: errx(1, "%s: unable to read symbol table.",
697: namelist == NULL ? _PATH_UNIX : namelist);
698: /* NOTREACHED */
1.1 deraadt 699: default:
700: #ifdef notdef /* they'll be told more civilly later */
701: warnx("nlist failed");
702: for (i = 0; symbols[i].n_name != NULL; i++)
703: if (symbols[i].n_value == 0)
1.16 millert 704: warnx("symbol %s not found", symbols[i].n_name);
705: #endif
1.1 deraadt 706: break;
707: }
708:
709: if ((display & (MSGINFO | MSGTOTAL)) &&
1.3 deraadt 710: (kvm_read(kd, symbols[X_MSGINFO].n_value,
711: &msginfo, sizeof(msginfo)) == sizeof(msginfo))) {
1.1 deraadt 712:
1.16 millert 713: if (display & MSGTOTAL)
714: show_msgtotal(&msginfo);
715:
1.1 deraadt 716: if (display & MSGINFO) {
717: struct msqid_ds *xmsqids;
718:
1.3 deraadt 719: if (kvm_read(kd, symbols[X_MSQIDS].n_value,
720: &msqids, sizeof(msqids)) != sizeof(msqids))
721: errx(1, "kvm_read (%s): %s",
722: symbols[X_MSQIDS].n_name, kvm_geterr(kd));
723:
724: xmsqids = malloc(sizeof(struct msqid_ds) *
725: msginfo.msgmni);
726:
727: if (kvm_read(kd, (u_long)msqids, xmsqids,
728: sizeof(struct msqid_ds) * msginfo.msgmni) !=
729: sizeof(struct msqid_ds) * msginfo.msgmni)
730: errx(1, "kvm_read (msqids): %s",
731: kvm_geterr(kd));
1.1 deraadt 732:
1.16 millert 733: show_msginfo_hdr();
734: for (i = 0; i < msginfo.msgmni; i++) {
735: struct msqid_ds *msqptr = &xmsqids[i];
736: if (msqptr->msg_qbytes != 0)
737: show_msginfo(msqptr->msg_stime,
738: msqptr->msg_rtime,
739: msqptr->msg_ctime,
1.1 deraadt 740: IXSEQ_TO_IPCID(i, msqptr->msg_perm),
741: msqptr->msg_perm.key,
1.16 millert 742: msqptr->msg_perm.mode,
743: msqptr->msg_perm.uid,
744: msqptr->msg_perm.gid,
745: msqptr->msg_perm.cuid,
746: msqptr->msg_perm.cgid,
747: msqptr->msg_cbytes,
748: msqptr->msg_qnum,
749: msqptr->msg_qbytes,
750: msqptr->msg_lspid,
751: msqptr->msg_lrpid);
1.1 deraadt 752: }
753: printf("\n");
754: }
1.16 millert 755: } else {
1.1 deraadt 756: if (display & (MSGINFO | MSGTOTAL)) {
1.16 millert 757: warnx("SVID messages facility not configured in "
758: "the system");
1.1 deraadt 759: }
1.16 millert 760: }
1.1 deraadt 761: if ((display & (SHMINFO | SHMTOTAL)) &&
1.3 deraadt 762: (kvm_read(kd, symbols[X_SHMINFO].n_value, &shminfo,
763: sizeof(shminfo)) == sizeof(shminfo))) {
764:
1.16 millert 765: if (display & SHMTOTAL)
766: show_shmtotal(&shminfo);
767:
1.1 deraadt 768: if (display & SHMINFO) {
769: struct shmid_ds *xshmids;
770:
1.3 deraadt 771: if (kvm_read(kd, symbols[X_SHMSEGS].n_value, &shmsegs,
772: sizeof(shmsegs)) != sizeof(shmsegs))
773: errx(1, "kvm_read (%s): %s",
774: symbols[X_SHMSEGS].n_name, kvm_geterr(kd));
775:
776: xshmids = malloc(sizeof(struct shmid_ds) *
1.5 deraadt 777: shminfo.shmmni);
1.3 deraadt 778:
779: if (kvm_read(kd, (u_long)shmsegs, xshmids,
780: sizeof(struct shmid_ds) * shminfo.shmmni) !=
781: sizeof(struct shmid_ds) * shminfo.shmmni)
782: errx(1, "kvm_read (shmsegs): %s",
783: kvm_geterr(kd));
1.1 deraadt 784:
1.16 millert 785: show_shminfo_hdr();
786: for (i = 0; i < shminfo.shmmni; i++) {
787: struct shmid_ds *shmptr = &xshmids[i];
788: if (shmptr->shm_perm.mode & 0x0800)
789: show_shminfo(shmptr->shm_atime,
790: shmptr->shm_dtime,
791: shmptr->shm_ctime,
1.1 deraadt 792: IXSEQ_TO_IPCID(i, shmptr->shm_perm),
793: shmptr->shm_perm.key,
1.16 millert 794: shmptr->shm_perm.mode,
795: shmptr->shm_perm.uid,
796: shmptr->shm_perm.gid,
797: shmptr->shm_perm.cuid,
798: shmptr->shm_perm.cgid,
799: shmptr->shm_nattch,
800: shmptr->shm_segsz,
801: shmptr->shm_cpid,
802: shmptr->shm_lpid);
1.1 deraadt 803: }
804: printf("\n");
805: }
806: } else
807: if (display & (SHMINFO | SHMTOTAL)) {
1.16 millert 808: warnx("SVID shared memory facility not configured in "
809: "the system");
1.1 deraadt 810: }
811: if ((display & (SEMINFO | SEMTOTAL)) &&
1.3 deraadt 812: (kvm_read(kd, symbols[X_SEMINFO].n_value, &seminfo,
813: sizeof(seminfo)) == sizeof(seminfo))) {
1.1 deraadt 814: struct semid_ds *xsema;
815:
1.16 millert 816: if (display & SEMTOTAL)
817: show_semtotal(&seminfo);
818:
1.1 deraadt 819: if (display & SEMINFO) {
1.3 deraadt 820: if (kvm_read(kd, symbols[X_SEMA].n_value, &sema,
821: sizeof(sema)) != sizeof(sema))
822: errx(1, "kvm_read (%s): %s",
823: symbols[X_SEMA].n_name, kvm_geterr(kd));
824:
825: xsema = malloc(sizeof(struct semid_ds) *
826: seminfo.semmni);
827:
828: if (kvm_read(kd, (u_long)sema, xsema,
829: sizeof(struct semid_ds) * seminfo.semmni) !=
830: sizeof(struct semid_ds) * seminfo.semmni)
831: errx(1, "kvm_read (sema): %s",
832: kvm_geterr(kd));
1.1 deraadt 833:
1.16 millert 834: show_seminfo_hdr();
835: for (i = 0; i < seminfo.semmni; i++) {
836: struct semid_ds *semaptr = &xsema[i];
837: if ((semaptr->sem_perm.mode & SEM_ALLOC) != 0)
838: show_seminfo(semaptr->sem_otime,
839: semaptr->sem_ctime,
1.1 deraadt 840: IXSEQ_TO_IPCID(i, semaptr->sem_perm),
841: semaptr->sem_perm.key,
1.16 millert 842: semaptr->sem_perm.mode,
843: semaptr->sem_perm.uid,
844: semaptr->sem_perm.gid,
845: semaptr->sem_perm.cuid,
846: semaptr->sem_perm.cgid,
847: semaptr->sem_nsems);
1.1 deraadt 848: }
849:
850: printf("\n");
851: }
852: } else
853: if (display & (SEMINFO | SEMTOTAL)) {
1.16 millert 854: warnx("SVID semaphores facility not configured in "
855: "the system");
1.1 deraadt 856: }
857: kvm_close(kd);
858: }
859:
860: void
1.16 millert 861: usage(void)
1.1 deraadt 862: {
1.16 millert 863: extern char *__progname;
1.1 deraadt 864:
865: fprintf(stderr,
1.16 millert 866: "usage: %s [-abcmopqstMQST] [-C corefile] [-N namelist]\n",
1.3 deraadt 867: __progname);
1.1 deraadt 868: exit(1);
869: }