Annotation of src/usr.bin/ipcs/ipcs.c, Revision 1.19
1.19 ! millert 1: /* $OpenBSD: ipcs.c,v 1.18 2002/06/15 18:47:50 matthieu 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>
1.19 ! millert 69: #define _KERNEL /* XXX */
1.1 deraadt 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");
1.18 matthieu 299: printf("T ID KEY MODE OWNER GROUP");
1.16 millert 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:
1.18 matthieu 327: printf("q %8d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
1.16 millert 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");
1.18 matthieu 354: printf("T ID KEY MODE OWNER GROUP");
1.16 millert 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:
1.18 matthieu 381: printf("m %8d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
1.16 millert 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");
1.18 matthieu 411: printf("T ID KEY MODE OWNER GROUP");
1.16 millert 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:
1.18 matthieu 432: printf("s %8d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
1.16 millert 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;
1.19 ! millert 526: int i, valid;
1.16 millert 527:
528: mib[0] = CTL_KERN;
529: mib[1] = KERN_SYSVSHM;
530: len = sizeof(valid);
531: if (sysctl(mib, 2, &valid, &len, NULL, NULL) < 0) {
532: warn("sysctl(KERN_SYSVSHM)");
533: return;
534: }
535: if (!valid) {
536: warnx("SVID shared memory facility not configured in "
537: "the system");
538: return;
539: }
540:
541: mib[0] = CTL_KERN;
542: mib[1] = KERN_SYSVIPC_INFO;
543: mib[2] = KERN_SYSVIPC_SHM_INFO;
544:
545: if (!(display & SHMINFO)) {
546: /* totals only */
547: len = sizeof(struct shminfo);
548: } else {
549: if (sysctl(mib, 3, NULL, &len, NULL, NULL) < 0) {
550: warn("sysctl(KERN_SYSVIPC_SHM_INFO)");
551: return;
552: }
553: }
554:
555: if ((buf = malloc(len)) == NULL)
556: err(1, "malloc");
557: shmsi = (struct shm_sysctl_info *)buf;
558: if (sysctl(mib, 3, shmsi, &len, NULL, NULL) < 0) {
559: warn("sysctl(KERN_SYSVIPC_SHM_INFO)");
560: return;
561: }
562:
563: if (display & SHMTOTAL)
564: show_shmtotal(&shmsi->shminfo);
565:
566: if (display & SHMINFO) {
567: show_shminfo_hdr();
568: for (i = 0; i < shmsi->shminfo.shmmni; i++) {
569: struct shmid_ds *shmptr = &shmsi->shmids[i];
1.19 ! millert 570: if (shmptr->shm_internal)
1.16 millert 571: show_shminfo(shmptr->shm_atime,
572: shmptr->shm_dtime,
573: shmptr->shm_ctime,
574: IXSEQ_TO_IPCID(i, shmptr->shm_perm),
575: shmptr->shm_perm.key,
576: shmptr->shm_perm.mode,
577: shmptr->shm_perm.uid,
578: shmptr->shm_perm.gid,
579: shmptr->shm_perm.cuid,
580: shmptr->shm_perm.cgid,
581: shmptr->shm_nattch,
582: shmptr->shm_segsz,
583: shmptr->shm_cpid,
584: shmptr->shm_lpid);
585: }
586: printf("\n");
587: }
588: }
589:
590: void
591: sem_sysctl(void)
592: {
593: struct sem_sysctl_info *semsi;
594: char *buf;
595: int mib[3];
596: size_t len;
597: int i, valid;
598:
599: mib[0] = CTL_KERN;
600: mib[1] = KERN_SYSVSEM;
601: len = sizeof(valid);
602: if (sysctl(mib, 2, &valid, &len, NULL, NULL) < 0) {
603: warn("sysctl(KERN_SYSVSEM)");
604: return;
605: }
606: if (!valid) {
607: warnx("SVID shared memory facility not configured in "
608: "the system");
609: return;
610: }
611:
612: mib[0] = CTL_KERN;
613: mib[1] = KERN_SYSVIPC_INFO;
614: mib[2] = KERN_SYSVIPC_SEM_INFO;
615:
616: if (!(display & SEMINFO)) {
617: /* totals only */
618: len = sizeof(struct seminfo);
619: } else {
620: if (sysctl(mib, 3, NULL, &len, NULL, NULL) < 0) {
621: warn("sysctl(KERN_SYSVIPC_SEM_INFO)");
622: return;
623: }
624: }
625:
626: if ((buf = malloc(len)) == NULL)
627: err(1, "malloc");
628: semsi = (struct sem_sysctl_info *)buf;
629: if (sysctl(mib, 3, semsi, &len, NULL, NULL) < 0) {
630: warn("sysctl(KERN_SYSVIPC_SEM_INFO)");
631: return;
632: }
633:
634: if (display & SEMTOTAL)
635: show_semtotal(&semsi->seminfo);
636:
637: if (display & SEMINFO) {
638: show_seminfo_hdr();
639: for (i = 0; i < semsi->seminfo.semmni; i++) {
640: struct semid_ds *semaptr = &semsi->semids[i];
1.19 ! millert 641:
! 642: if (semaptr->sem_base != NULL)
1.16 millert 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;
1.19 ! millert 664: struct semid_ds sem, **sema;
1.16 millert 665: struct shminfo shminfo;
1.19 ! millert 666: struct shmid_ds shmseg, **shmsegs;
! 667: char errbuf[_POSIX2_LINE_MAX];
! 668: u_long addr;
1.16 millert 669: kvm_t *kd;
670: int i;
671: struct nlist symbols[] = {
672: {"_sema"},
673: #define X_SEMA 0
674: {"_seminfo"},
675: #define X_SEMINFO 1
676: {"_semu"},
677: #define X_SEMU 2
678: {"_msginfo"},
679: #define X_MSGINFO 3
680: {"_msqids"},
681: #define X_MSQIDS 4
682: {"_shminfo"},
683: #define X_SHMINFO 5
684: {"_shmsegs"},
685: #define X_SHMSEGS 6
686: {NULL}
687: };
688:
689: if ((kd = kvm_openfiles(namelist, core, NULL, O_RDONLY,
690: errbuf)) == NULL)
691: errx(1, "can't open kvm: %s", errbuf);
1.1 deraadt 692:
693: switch (kvm_nlist(kd, symbols)) {
694: case 0:
695: break;
696: case -1:
1.16 millert 697: errx(1, "%s: unable to read symbol table.",
698: namelist == NULL ? _PATH_UNIX : namelist);
699: /* NOTREACHED */
1.1 deraadt 700: default:
701: #ifdef notdef /* they'll be told more civilly later */
702: warnx("nlist failed");
703: for (i = 0; symbols[i].n_name != NULL; i++)
704: if (symbols[i].n_value == 0)
1.16 millert 705: warnx("symbol %s not found", symbols[i].n_name);
706: #endif
1.1 deraadt 707: break;
708: }
709:
710: if ((display & (MSGINFO | MSGTOTAL)) &&
1.3 deraadt 711: (kvm_read(kd, symbols[X_MSGINFO].n_value,
712: &msginfo, sizeof(msginfo)) == sizeof(msginfo))) {
1.1 deraadt 713:
1.16 millert 714: if (display & MSGTOTAL)
715: show_msgtotal(&msginfo);
716:
1.1 deraadt 717: if (display & MSGINFO) {
1.3 deraadt 718: if (kvm_read(kd, symbols[X_MSQIDS].n_value,
1.19 ! millert 719: &addr, sizeof(addr)) != sizeof(addr))
1.3 deraadt 720: errx(1, "kvm_read (%s): %s",
721: symbols[X_MSQIDS].n_name, kvm_geterr(kd));
722:
1.19 ! millert 723: msqids = malloc(sizeof(struct msqid_ds) *
1.3 deraadt 724: msginfo.msgmni);
1.19 ! millert 725: if (msqids == NULL)
! 726: err(1, "malloc");
1.3 deraadt 727:
1.19 ! millert 728: if (kvm_read(kd, addr, msqids,
1.3 deraadt 729: sizeof(struct msqid_ds) * msginfo.msgmni) !=
730: sizeof(struct msqid_ds) * msginfo.msgmni)
731: errx(1, "kvm_read (msqids): %s",
732: kvm_geterr(kd));
1.1 deraadt 733:
1.16 millert 734: show_msginfo_hdr();
735: for (i = 0; i < msginfo.msgmni; i++) {
1.19 ! millert 736: struct msqid_ds *msqptr = &msqids[i];
1.16 millert 737: if (msqptr->msg_qbytes != 0)
738: show_msginfo(msqptr->msg_stime,
739: msqptr->msg_rtime,
740: msqptr->msg_ctime,
1.1 deraadt 741: IXSEQ_TO_IPCID(i, msqptr->msg_perm),
742: msqptr->msg_perm.key,
1.16 millert 743: msqptr->msg_perm.mode,
744: msqptr->msg_perm.uid,
745: msqptr->msg_perm.gid,
746: msqptr->msg_perm.cuid,
747: msqptr->msg_perm.cgid,
748: msqptr->msg_cbytes,
749: msqptr->msg_qnum,
750: msqptr->msg_qbytes,
751: msqptr->msg_lspid,
752: msqptr->msg_lrpid);
1.1 deraadt 753: }
754: printf("\n");
755: }
1.16 millert 756: } else {
1.1 deraadt 757: if (display & (MSGINFO | MSGTOTAL)) {
1.16 millert 758: warnx("SVID messages facility not configured in "
759: "the system");
1.1 deraadt 760: }
1.16 millert 761: }
1.1 deraadt 762: if ((display & (SHMINFO | SHMTOTAL)) &&
1.3 deraadt 763: (kvm_read(kd, symbols[X_SHMINFO].n_value, &shminfo,
764: sizeof(shminfo)) == sizeof(shminfo))) {
765:
1.16 millert 766: if (display & SHMTOTAL)
767: show_shmtotal(&shminfo);
768:
1.1 deraadt 769: if (display & SHMINFO) {
1.19 ! millert 770: if (kvm_read(kd, symbols[X_SHMSEGS].n_value, &addr,
! 771: sizeof(addr)) != sizeof(addr))
1.3 deraadt 772: errx(1, "kvm_read (%s): %s",
773: symbols[X_SHMSEGS].n_name, kvm_geterr(kd));
774:
1.19 ! millert 775: shmsegs = malloc(sizeof(struct shmid_ds *) *
1.5 deraadt 776: shminfo.shmmni);
1.19 ! millert 777: if (shmsegs == NULL)
! 778: err(1, "malloc");
1.3 deraadt 779:
1.19 ! millert 780: if (kvm_read(kd, addr, shmsegs,
! 781: sizeof(struct shmid_ds *) * shminfo.shmmni) !=
! 782: sizeof(struct shmid_ds *) * shminfo.shmmni)
1.3 deraadt 783: errx(1, "kvm_read (shmsegs): %s",
784: kvm_geterr(kd));
1.1 deraadt 785:
1.16 millert 786: show_shminfo_hdr();
787: for (i = 0; i < shminfo.shmmni; i++) {
1.19 ! millert 788: if (shmsegs[i] == NULL)
! 789: continue;
! 790:
! 791: if (kvm_read(kd, (u_long)shmsegs[i], &shmseg,
! 792: sizeof(shmseg)) != sizeof(shmseg))
! 793: errx(1, "kvm_read (shmseg): %s",
! 794: kvm_geterr(kd));
! 795: show_shminfo(shmseg.shm_atime,
! 796: shmseg.shm_dtime,
! 797: shmseg.shm_ctime,
! 798: IXSEQ_TO_IPCID(i, shmseg.shm_perm),
! 799: shmseg.shm_perm.key,
! 800: shmseg.shm_perm.mode,
! 801: shmseg.shm_perm.uid,
! 802: shmseg.shm_perm.gid,
! 803: shmseg.shm_perm.cuid,
! 804: shmseg.shm_perm.cgid,
! 805: shmseg.shm_nattch,
! 806: shmseg.shm_segsz,
! 807: shmseg.shm_cpid,
! 808: shmseg.shm_lpid);
1.1 deraadt 809: }
810: printf("\n");
811: }
812: } else
813: if (display & (SHMINFO | SHMTOTAL)) {
1.16 millert 814: warnx("SVID shared memory facility not configured in "
815: "the system");
1.1 deraadt 816: }
817: if ((display & (SEMINFO | SEMTOTAL)) &&
1.3 deraadt 818: (kvm_read(kd, symbols[X_SEMINFO].n_value, &seminfo,
819: sizeof(seminfo)) == sizeof(seminfo))) {
1.16 millert 820: if (display & SEMTOTAL)
821: show_semtotal(&seminfo);
822:
1.1 deraadt 823: if (display & SEMINFO) {
1.19 ! millert 824: if (kvm_read(kd, symbols[X_SEMA].n_value, &addr,
! 825: sizeof(addr)) != sizeof(addr))
1.3 deraadt 826: errx(1, "kvm_read (%s): %s",
827: symbols[X_SEMA].n_name, kvm_geterr(kd));
828:
1.19 ! millert 829: sema = malloc(sizeof(struct semid_ds *) *
1.3 deraadt 830: seminfo.semmni);
1.19 ! millert 831: if (sema == NULL)
! 832: err(1, "malloc");
1.3 deraadt 833:
1.19 ! millert 834: if (kvm_read(kd, addr, sema,
! 835: sizeof(struct semid_ds *) * seminfo.semmni) !=
! 836: sizeof(struct semid_ds *) * seminfo.semmni)
1.3 deraadt 837: errx(1, "kvm_read (sema): %s",
838: kvm_geterr(kd));
1.1 deraadt 839:
1.16 millert 840: show_seminfo_hdr();
841: for (i = 0; i < seminfo.semmni; i++) {
1.19 ! millert 842: if (sema[i] == NULL)
! 843: continue;
! 844:
! 845: if (kvm_read(kd, (u_long)sema[i], &sem,
! 846: sizeof(sem)) != sizeof(sem))
! 847: errx(1, "kvm_read (sem): %s",
! 848: kvm_geterr(kd));
! 849: show_seminfo(sem.sem_otime,
! 850: sem.sem_ctime,
! 851: IXSEQ_TO_IPCID(i, sem.sem_perm),
! 852: sem.sem_perm.key,
! 853: sem.sem_perm.mode,
! 854: sem.sem_perm.uid,
! 855: sem.sem_perm.gid,
! 856: sem.sem_perm.cuid,
! 857: sem.sem_perm.cgid,
! 858: sem.sem_nsems);
1.1 deraadt 859: }
860: printf("\n");
861: }
862: } else
863: if (display & (SEMINFO | SEMTOTAL)) {
1.16 millert 864: warnx("SVID semaphores facility not configured in "
865: "the system");
1.1 deraadt 866: }
867: kvm_close(kd);
868: }
869:
870: void
1.16 millert 871: usage(void)
1.1 deraadt 872: {
1.16 millert 873: extern char *__progname;
1.1 deraadt 874:
875: fprintf(stderr,
1.16 millert 876: "usage: %s [-abcmopqstMQST] [-C corefile] [-N namelist]\n",
1.3 deraadt 877: __progname);
1.1 deraadt 878: exit(1);
879: }