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1.25 ! guenther 1: /* $OpenBSD: ipcs.c,v 1.24 2011/04/06 11:36:26 miod 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: *
20: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30: * POSSIBILITY OF SUCH DAMAGE.
31: */
1.1 deraadt 32:
33: /*
34: * Copyright (c) 1994 SigmaSoft, Th. Lockert <tholo@sigmasoft.com>
35: * All rights reserved.
36: *
37: * Redistribution and use in source and binary forms, with or without
38: * modification, are permitted provided that the following conditions
39: * are met:
40: * 1. Redistributions of source code must retain the above copyright
41: * notice, this list of conditions and the following disclaimer.
42: * 2. Redistributions in binary form must reproduce the above copyright
43: * notice, this list of conditions and the following disclaimer in the
44: * documentation and/or other materials provided with the distribution.
45: *
46: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
47: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
48: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
49: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
50: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
51: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
52: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
53: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
54: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
55: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56: */
57:
58: #include <sys/param.h>
1.16 millert 59: #include <sys/sysctl.h>
1.19 millert 60: #define _KERNEL /* XXX */
1.1 deraadt 61: #include <sys/ipc.h>
62: #include <sys/sem.h>
63: #include <sys/shm.h>
64: #include <sys/msg.h>
1.3 deraadt 65: #undef _KERNEL
66:
67: #include <err.h>
68: #include <fcntl.h>
1.16 millert 69: #include <grp.h>
1.3 deraadt 70: #include <kvm.h>
71: #include <limits.h>
72: #include <nlist.h>
73: #include <paths.h>
1.16 millert 74: #include <pwd.h>
1.3 deraadt 75: #include <stdio.h>
76: #include <stdlib.h>
77: #include <string.h>
1.16 millert 78: #include <time.h>
1.3 deraadt 79: #include <unistd.h>
1.1 deraadt 80:
1.16 millert 81: void cvt_time(time_t, char *, size_t);
82: char *fmt_perm(mode_t);
83: void ipcs_kvm(void);
84: int main(int, char **);
85: void msg_sysctl(void);
86: void sem_sysctl(void);
87: void shm_sysctl(void);
88: void show_msginfo(time_t, time_t, time_t, int, key_t, mode_t, uid_t,
89: gid_t, uid_t, gid_t, u_long, u_long, u_long, pid_t, pid_t);
90: void show_msginfo_hdr(void);
91: void show_msgtotal(struct msginfo *);
92: void show_seminfo_hdr(void);
93: void show_seminfo(time_t, time_t, int, key_t, mode_t, uid_t, gid_t,
94: uid_t, gid_t, int16_t);
95: void show_semtotal(struct seminfo *);
96: void show_shminfo(time_t, time_t, time_t, int, key_t, mode_t, uid_t,
97: gid_t, uid_t, gid_t, u_int32_t, int, pid_t, pid_t);
98: void show_shminfo_hdr(void);
99: void show_shmtotal(struct shminfo *);
100: __dead void usage(void);
1.3 deraadt 101:
1.16 millert 102: char *
103: fmt_perm(mode_t mode)
1.1 deraadt 104: {
1.16 millert 105: static char buffer[12];
1.1 deraadt 106:
107: buffer[0] = '-';
108: buffer[1] = '-';
109: buffer[2] = ((mode & 0400) ? 'r' : '-');
110: buffer[3] = ((mode & 0200) ? 'w' : '-');
111: buffer[4] = ((mode & 0100) ? 'a' : '-');
112: buffer[5] = ((mode & 0040) ? 'r' : '-');
113: buffer[6] = ((mode & 0020) ? 'w' : '-');
114: buffer[7] = ((mode & 0010) ? 'a' : '-');
115: buffer[8] = ((mode & 0004) ? 'r' : '-');
116: buffer[9] = ((mode & 0002) ? 'w' : '-');
117: buffer[10] = ((mode & 0001) ? 'a' : '-');
118: buffer[11] = '\0';
119: return (&buffer[0]);
120: }
121:
122: void
1.16 millert 123: cvt_time(time_t t, char *buf, size_t buflen)
1.1 deraadt 124: {
125: struct tm *tm;
126:
1.16 millert 127: if (t == 0)
128: (void)strlcpy(buf, "no-entry", buflen);
129: else {
1.1 deraadt 130: tm = localtime(&t);
1.16 millert 131: (void)snprintf(buf, buflen, "%2d:%02d:%02d",
1.1 deraadt 132: tm->tm_hour, tm->tm_min, tm->tm_sec);
133: }
134: }
135: #define SHMINFO 1
136: #define SHMTOTAL 2
137: #define MSGINFO 4
138: #define MSGTOTAL 8
139: #define SEMINFO 16
140: #define SEMTOTAL 32
141:
142: #define BIGGEST 1
143: #define CREATOR 2
144: #define OUTSTANDING 4
145: #define PID 8
146: #define TIME 16
147:
1.16 millert 148: char *core = NULL, *namelist = NULL;
149: int display = SHMINFO | MSGINFO | SEMINFO;
150: int option = 0;
151:
1.1 deraadt 152: int
1.16 millert 153: main(int argc, char **argv)
154: {
155: int ch;
1.1 deraadt 156:
1.16 millert 157: while ((ch = getopt(argc, argv, "MmQqSsabC:cN:optT")) != -1)
158: switch (ch) {
1.1 deraadt 159: case 'M':
160: display = SHMTOTAL;
161: break;
162: case 'm':
163: display = SHMINFO;
164: break;
165: case 'Q':
166: display = MSGTOTAL;
167: break;
168: case 'q':
169: display = MSGINFO;
170: break;
171: case 'S':
172: display = SEMTOTAL;
173: break;
174: case 's':
175: display = SEMINFO;
176: break;
177: case 'T':
178: display = SHMTOTAL | MSGTOTAL | SEMTOTAL;
179: break;
180: case 'a':
181: option |= BIGGEST | CREATOR | OUTSTANDING | PID | TIME;
182: break;
183: case 'b':
184: option |= BIGGEST;
185: break;
186: case 'C':
187: core = optarg;
188: break;
189: case 'c':
190: option |= CREATOR;
191: break;
192: case 'N':
193: namelist = optarg;
194: break;
195: case 'o':
196: option |= OUTSTANDING;
197: break;
198: case 'p':
199: option |= PID;
200: break;
201: case 't':
202: option |= TIME;
203: break;
204: default:
205: usage();
206: }
1.16 millert 207:
208: if (argc - optind > 0)
209: usage();
210:
211: if (namelist == NULL && core == NULL) {
212: if (display & (MSGINFO | MSGTOTAL))
213: msg_sysctl();
214: if (display & (SHMINFO | SHMTOTAL))
215: shm_sysctl();
216: if (display & (SEMINFO | SEMTOTAL))
217: sem_sysctl();
218: } else
219: ipcs_kvm();
220:
221: exit(0);
222: }
223:
224: void
225: show_msgtotal(struct msginfo *msginfo)
226: {
227:
228: printf("msginfo:\n");
229: printf("\tmsgmax: %6d\t(max characters in a message)\n",
230: msginfo->msgmax);
231: printf("\tmsgmni: %6d\t(# of message queues)\n",
232: msginfo->msgmni);
233: printf("\tmsgmnb: %6d\t(max characters in a message queue)\n",
234: msginfo->msgmnb);
235: printf("\tmsgtql: %6d\t(max # of messages in system)\n",
236: msginfo->msgtql);
237: printf("\tmsgssz: %6d\t(size of a message segment)\n",
238: msginfo->msgssz);
239: printf("\tmsgseg: %6d\t(# of message segments in system)\n\n",
240: msginfo->msgseg);
241: }
242:
243: void
244: show_shmtotal(struct shminfo *shminfo)
245: {
246:
247: printf("shminfo:\n");
248: printf("\tshmmax: %7d\t(max shared memory segment size)\n",
249: shminfo->shmmax);
250: printf("\tshmmin: %7d\t(min shared memory segment size)\n",
251: shminfo->shmmin);
252: printf("\tshmmni: %7d\t(max number of shared memory identifiers)\n",
253: shminfo->shmmni);
254: printf("\tshmseg: %7d\t(max shared memory segments per process)\n",
255: shminfo->shmseg);
256: printf("\tshmall: %7d\t(max amount of shared memory in pages)\n\n",
257: shminfo->shmall);
258: }
259:
260: void
261: show_semtotal(struct seminfo *seminfo)
262: {
263:
264: printf("seminfo:\n");
265: printf("\tsemmni: %6d\t(# of semaphore identifiers)\n",
266: seminfo->semmni);
267: printf("\tsemmns: %6d\t(# of semaphores in system)\n",
268: seminfo->semmns);
269: printf("\tsemmnu: %6d\t(# of undo structures in system)\n",
270: seminfo->semmnu);
271: printf("\tsemmsl: %6d\t(max # of semaphores per id)\n",
272: seminfo->semmsl);
273: printf("\tsemopm: %6d\t(max # of operations per semop call)\n",
274: seminfo->semopm);
275: printf("\tsemume: %6d\t(max # of undo entries per process)\n",
276: seminfo->semume);
277: printf("\tsemusz: %6d\t(size in bytes of undo structure)\n",
278: seminfo->semusz);
279: printf("\tsemvmx: %6d\t(semaphore maximum value)\n",
280: seminfo->semvmx);
281: printf("\tsemaem: %6d\t(adjust on exit max value)\n\n",
282: seminfo->semaem);
283: }
284:
285: void
286: show_msginfo_hdr(void)
287: {
288:
289: printf("Message Queues:\n");
1.18 matthieu 290: printf("T ID KEY MODE OWNER GROUP");
1.16 millert 291: if (option & CREATOR)
292: printf(" CREATOR CGROUP");
293: if (option & OUTSTANDING)
294: printf(" CBYTES QNUM");
295: if (option & BIGGEST)
296: printf(" QBYTES");
297: if (option & PID)
298: printf(" LSPID LRPID");
299: if (option & TIME)
300: printf(" STIME RTIME CTIME");
301: printf("\n");
302: }
303:
304: void
305: show_msginfo(time_t stime, time_t rtime, time_t ctime, int ipcid, key_t key,
306: mode_t mode, uid_t uid, gid_t gid, uid_t cuid, gid_t cgid,
307: u_long cbytes, u_long qnum, u_long qbytes, pid_t lspid,
308: pid_t lrpid)
309: {
310: char stime_buf[100], rtime_buf[100], ctime_buf[100];
311:
312: if (option & TIME) {
313: cvt_time(stime, stime_buf, sizeof(stime_buf));
314: cvt_time(rtime, rtime_buf, sizeof(rtime_buf));
315: cvt_time(ctime, ctime_buf, sizeof(ctime_buf));
316: }
317:
1.18 matthieu 318: printf("q %8d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
1.16 millert 319: user_from_uid(uid, 0), group_from_gid(gid, 0));
320:
321: if (option & CREATOR)
322: printf(" %8s %8s", user_from_uid(cuid, 0),
323: group_from_gid(cgid, 0));
324:
325: if (option & OUTSTANDING)
326: printf(" %6lu %5lu", cbytes, qnum);
327:
328: if (option & BIGGEST)
329: printf(" %6lu", qbytes);
330:
331: if (option & PID)
1.17 mpech 332: printf(" %5ld %5ld", (long)lspid, (long)lrpid);
1.16 millert 333:
334: if (option & TIME)
335: printf(" %s %s %s", stime_buf, rtime_buf, ctime_buf);
336:
337: printf("\n");
338: }
339:
340: void
341: show_shminfo_hdr(void)
342: {
343:
344: printf("Shared Memory:\n");
1.18 matthieu 345: printf("T ID KEY MODE OWNER GROUP");
1.16 millert 346: if (option & CREATOR)
347: printf(" CREATOR CGROUP");
348: if (option & OUTSTANDING)
349: printf(" NATTCH");
350: if (option & BIGGEST)
351: printf(" SEGSZ");
352: if (option & PID)
353: printf(" CPID LPID");
354: if (option & TIME)
355: printf(" ATIME DTIME CTIME");
356: printf("\n");
357: }
358:
359: void
360: show_shminfo(time_t atime, time_t dtime, time_t ctime, int ipcid, key_t key,
361: mode_t mode, uid_t uid, gid_t gid, uid_t cuid, gid_t cgid,
362: u_int32_t nattch, int segsz, pid_t cpid, pid_t lpid)
363: {
364: char atime_buf[100], dtime_buf[100], ctime_buf[100];
365:
366: if (option & TIME) {
367: cvt_time(atime, atime_buf, sizeof(atime_buf));
368: cvt_time(dtime, dtime_buf, sizeof(dtime_buf));
369: cvt_time(ctime, ctime_buf, sizeof(ctime_buf));
370: }
371:
1.18 matthieu 372: printf("m %8d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
1.16 millert 373: user_from_uid(uid, 0), group_from_gid(gid, 0));
374:
375: if (option & CREATOR)
376: printf(" %8s %8s", user_from_uid(cuid, 0),
377: group_from_gid(cgid, 0));
378:
379: if (option & OUTSTANDING)
380: printf(" %6d", nattch);
381:
382: if (option & BIGGEST)
383: printf(" %7d", segsz);
384:
385: if (option & PID)
386: printf(" %5d %5d", cpid, lpid);
387:
388: if (option & TIME)
389: printf(" %s %s %s",
390: atime_buf,
391: dtime_buf,
392: ctime_buf);
393:
394: printf("\n");
395: }
396:
397: void
398: show_seminfo_hdr(void)
399: {
400:
401: printf("Semaphores:\n");
1.18 matthieu 402: printf("T ID KEY MODE OWNER GROUP");
1.16 millert 403: if (option & CREATOR)
404: printf(" CREATOR CGROUP");
405: if (option & BIGGEST)
406: printf(" NSEMS");
407: if (option & TIME)
408: printf(" OTIME CTIME");
409: printf("\n");
410: }
411:
412: void
413: show_seminfo(time_t otime, time_t ctime, int ipcid, key_t key, mode_t mode,
414: uid_t uid, gid_t gid, uid_t cuid, gid_t cgid, int16_t nsems)
415: {
416: char ctime_buf[100], otime_buf[100];
417:
418: if (option & TIME) {
419: cvt_time(otime, otime_buf, sizeof(otime_buf));
420: cvt_time(ctime, ctime_buf, sizeof(ctime_buf));
421: }
422:
1.18 matthieu 423: printf("s %8d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
1.16 millert 424: user_from_uid(uid, 0), group_from_gid(gid, 0));
425:
426: if (option & CREATOR)
427: printf(" %8s %8s", user_from_uid(cuid, 0),
428: group_from_gid(cgid, 0));
429:
430: if (option & BIGGEST)
431: printf(" %5d", nsems);
432:
433: if (option & TIME)
434: printf(" %s %s", otime_buf, ctime_buf);
435:
436: printf("\n");
437: }
438:
439: void
440: msg_sysctl(void)
441: {
442: struct msg_sysctl_info *msgsi;
443: char *buf;
444: int mib[3];
445: size_t len;
446: int i, valid;
447:
448: mib[0] = CTL_KERN;
449: mib[1] = KERN_SYSVMSG;
450: len = sizeof(valid);
1.24 miod 451: if (sysctl(mib, 2, &valid, &len, NULL, 0) < 0) {
1.16 millert 452: warn("sysctl(KERN_SYSVMSG)");
453: return;
454: }
455: if (!valid) {
456: warnx("SVID messages facility not configured in the system");
457: return;
458: }
459:
460: mib[0] = CTL_KERN;
461: mib[1] = KERN_SYSVIPC_INFO;
462: mib[2] = KERN_SYSVIPC_MSG_INFO;
463:
464: if (!(display & MSGINFO)) {
465: /* totals only */
466: len = sizeof(struct msginfo);
467: } else {
1.24 miod 468: if (sysctl(mib, 3, NULL, &len, NULL, 0) < 0) {
1.16 millert 469: warn("sysctl(KERN_SYSVIPC_MSG_INFO)");
470: return;
471: }
472: }
473:
474: if ((buf = malloc(len)) == NULL)
475: err(1, "malloc");
476: msgsi = (struct msg_sysctl_info *)buf;
1.24 miod 477: if (sysctl(mib, 3, msgsi, &len, NULL, 0) < 0) {
1.16 millert 478: warn("sysctl(KERN_SYSVIPC_MSG_INFO)");
479: return;
1.6 tholo 480: }
1.8 deraadt 481:
1.16 millert 482: if (display & MSGTOTAL)
483: show_msgtotal(&msgsi->msginfo);
484:
485: if (display & MSGINFO) {
486: show_msginfo_hdr();
487: for (i = 0; i < msgsi->msginfo.msgmni; i++) {
488: struct msqid_ds *msqptr = &msgsi->msgids[i];
489: if (msqptr->msg_qbytes != 0)
490: show_msginfo(msqptr->msg_stime,
491: msqptr->msg_rtime,
492: msqptr->msg_ctime,
493: IXSEQ_TO_IPCID(i, msqptr->msg_perm),
494: msqptr->msg_perm.key,
495: msqptr->msg_perm.mode,
496: msqptr->msg_perm.uid,
497: msqptr->msg_perm.gid,
498: msqptr->msg_perm.cuid,
499: msqptr->msg_perm.cgid,
500: msqptr->msg_cbytes,
501: msqptr->msg_qnum,
502: msqptr->msg_qbytes,
503: msqptr->msg_lspid,
504: msqptr->msg_lrpid);
505: }
506: printf("\n");
507: }
508: }
509:
510: void
511: shm_sysctl(void)
512: {
513: struct shm_sysctl_info *shmsi;
514: char *buf;
515: int mib[3];
516: size_t len;
1.19 millert 517: int i, valid;
1.16 millert 518:
519: mib[0] = CTL_KERN;
520: mib[1] = KERN_SYSVSHM;
521: len = sizeof(valid);
1.24 miod 522: if (sysctl(mib, 2, &valid, &len, NULL, 0) < 0) {
1.16 millert 523: warn("sysctl(KERN_SYSVSHM)");
524: return;
525: }
526: if (!valid) {
527: warnx("SVID shared memory facility not configured in "
528: "the system");
529: return;
530: }
531:
532: mib[0] = CTL_KERN;
533: mib[1] = KERN_SYSVIPC_INFO;
534: mib[2] = KERN_SYSVIPC_SHM_INFO;
535:
536: if (!(display & SHMINFO)) {
537: /* totals only */
538: len = sizeof(struct shminfo);
539: } else {
1.24 miod 540: if (sysctl(mib, 3, NULL, &len, NULL, 0) < 0) {
1.16 millert 541: warn("sysctl(KERN_SYSVIPC_SHM_INFO)");
542: return;
543: }
544: }
545:
546: if ((buf = malloc(len)) == NULL)
547: err(1, "malloc");
548: shmsi = (struct shm_sysctl_info *)buf;
1.24 miod 549: if (sysctl(mib, 3, shmsi, &len, NULL, 0) < 0) {
1.16 millert 550: warn("sysctl(KERN_SYSVIPC_SHM_INFO)");
551: return;
552: }
553:
554: if (display & SHMTOTAL)
555: show_shmtotal(&shmsi->shminfo);
556:
557: if (display & SHMINFO) {
558: show_shminfo_hdr();
559: for (i = 0; i < shmsi->shminfo.shmmni; i++) {
560: struct shmid_ds *shmptr = &shmsi->shmids[i];
1.19 millert 561: if (shmptr->shm_internal)
1.16 millert 562: show_shminfo(shmptr->shm_atime,
563: shmptr->shm_dtime,
564: shmptr->shm_ctime,
565: IXSEQ_TO_IPCID(i, shmptr->shm_perm),
566: shmptr->shm_perm.key,
567: shmptr->shm_perm.mode,
568: shmptr->shm_perm.uid,
569: shmptr->shm_perm.gid,
570: shmptr->shm_perm.cuid,
571: shmptr->shm_perm.cgid,
572: shmptr->shm_nattch,
573: shmptr->shm_segsz,
574: shmptr->shm_cpid,
575: shmptr->shm_lpid);
576: }
577: printf("\n");
578: }
579: }
580:
581: void
582: sem_sysctl(void)
583: {
584: struct sem_sysctl_info *semsi;
585: char *buf;
586: int mib[3];
587: size_t len;
588: int i, valid;
589:
590: mib[0] = CTL_KERN;
591: mib[1] = KERN_SYSVSEM;
592: len = sizeof(valid);
1.24 miod 593: if (sysctl(mib, 2, &valid, &len, NULL, 0) < 0) {
1.16 millert 594: warn("sysctl(KERN_SYSVSEM)");
595: return;
596: }
597: if (!valid) {
598: warnx("SVID shared memory facility not configured in "
599: "the system");
600: return;
601: }
602:
603: mib[0] = CTL_KERN;
604: mib[1] = KERN_SYSVIPC_INFO;
605: mib[2] = KERN_SYSVIPC_SEM_INFO;
606:
607: if (!(display & SEMINFO)) {
608: /* totals only */
609: len = sizeof(struct seminfo);
610: } else {
1.24 miod 611: if (sysctl(mib, 3, NULL, &len, NULL, 0) < 0) {
1.16 millert 612: warn("sysctl(KERN_SYSVIPC_SEM_INFO)");
613: return;
614: }
615: }
616:
617: if ((buf = malloc(len)) == NULL)
618: err(1, "malloc");
619: semsi = (struct sem_sysctl_info *)buf;
1.24 miod 620: if (sysctl(mib, 3, semsi, &len, NULL, 0) < 0) {
1.16 millert 621: warn("sysctl(KERN_SYSVIPC_SEM_INFO)");
622: return;
623: }
624:
625: if (display & SEMTOTAL)
626: show_semtotal(&semsi->seminfo);
627:
628: if (display & SEMINFO) {
629: show_seminfo_hdr();
630: for (i = 0; i < semsi->seminfo.semmni; i++) {
631: struct semid_ds *semaptr = &semsi->semids[i];
1.19 millert 632:
633: if (semaptr->sem_base != NULL)
1.16 millert 634: show_seminfo(semaptr->sem_otime,
635: semaptr->sem_ctime,
636: IXSEQ_TO_IPCID(i, semaptr->sem_perm),
637: semaptr->sem_perm.key,
638: semaptr->sem_perm.mode,
639: semaptr->sem_perm.uid,
640: semaptr->sem_perm.gid,
641: semaptr->sem_perm.cuid,
642: semaptr->sem_perm.cgid,
643: semaptr->sem_nsems);
644: }
645: printf("\n");
646: }
647: }
648:
649: void
650: ipcs_kvm(void)
651: {
652: struct msginfo msginfo;
1.25 ! guenther 653: struct que msgque;
1.16 millert 654: struct msqid_ds *msqids;
655: struct seminfo seminfo;
1.19 millert 656: struct semid_ds sem, **sema;
1.16 millert 657: struct shminfo shminfo;
1.19 millert 658: struct shmid_ds shmseg, **shmsegs;
659: char errbuf[_POSIX2_LINE_MAX];
660: u_long addr;
1.16 millert 661: kvm_t *kd;
662: int i;
663: struct nlist symbols[] = {
664: {"_sema"},
665: #define X_SEMA 0
666: {"_seminfo"},
667: #define X_SEMINFO 1
668: {"_semu"},
669: #define X_SEMU 2
670: {"_msginfo"},
671: #define X_MSGINFO 3
1.25 ! guenther 672: {"_msg_queues"},
! 673: #define X_MSG_QUEUES 4
1.16 millert 674: {"_shminfo"},
675: #define X_SHMINFO 5
676: {"_shmsegs"},
677: #define X_SHMSEGS 6
678: {NULL}
679: };
680:
681: if ((kd = kvm_openfiles(namelist, core, NULL, O_RDONLY,
682: errbuf)) == NULL)
683: errx(1, "can't open kvm: %s", errbuf);
1.1 deraadt 684:
685: switch (kvm_nlist(kd, symbols)) {
686: case 0:
687: break;
688: case -1:
1.16 millert 689: errx(1, "%s: unable to read symbol table.",
690: namelist == NULL ? _PATH_UNIX : namelist);
691: /* NOTREACHED */
1.1 deraadt 692: default:
693: #ifdef notdef /* they'll be told more civilly later */
694: warnx("nlist failed");
695: for (i = 0; symbols[i].n_name != NULL; i++)
696: if (symbols[i].n_value == 0)
1.16 millert 697: warnx("symbol %s not found", symbols[i].n_name);
698: #endif
1.1 deraadt 699: break;
700: }
701:
702: if ((display & (MSGINFO | MSGTOTAL)) &&
1.3 deraadt 703: (kvm_read(kd, symbols[X_MSGINFO].n_value,
704: &msginfo, sizeof(msginfo)) == sizeof(msginfo))) {
1.1 deraadt 705:
1.16 millert 706: if (display & MSGTOTAL)
707: show_msgtotal(&msginfo);
708:
1.1 deraadt 709: if (display & MSGINFO) {
1.25 ! guenther 710: if (kvm_read(kd, symbols[X_MSG_QUEUES].n_value,
1.19 millert 711: &addr, sizeof(addr)) != sizeof(addr))
1.3 deraadt 712: errx(1, "kvm_read (%s): %s",
1.25 ! guenther 713: symbols[X_MSG_QUEUES].n_name,
! 714: kvm_geterr(kd));
1.3 deraadt 715:
1.22 deraadt 716: msqids = calloc(sizeof(struct msqid_ds),
1.3 deraadt 717: msginfo.msgmni);
1.19 millert 718: if (msqids == NULL)
1.22 deraadt 719: err(1, "calloc");
1.3 deraadt 720:
1.25 ! guenther 721: /* walk the TAILQ */
! 722: while (addr != 0) {
! 723: if (kvm_read(kd, addr, &msgque, sizeof(msgque))
! 724: != sizeof(msgque))
! 725: errx(1, "kvm_read (%s): %s",
! 726: "msg que", kvm_geterr(kd));
! 727: msqids[msgque.que_ix] = msgque.msqid_ds;
! 728: addr = (u_long)TAILQ_NEXT(&msgque, que_next);
! 729: }
1.1 deraadt 730:
1.16 millert 731: show_msginfo_hdr();
732: for (i = 0; i < msginfo.msgmni; i++) {
1.19 millert 733: struct msqid_ds *msqptr = &msqids[i];
1.16 millert 734: if (msqptr->msg_qbytes != 0)
735: show_msginfo(msqptr->msg_stime,
736: msqptr->msg_rtime,
737: msqptr->msg_ctime,
1.1 deraadt 738: IXSEQ_TO_IPCID(i, msqptr->msg_perm),
739: msqptr->msg_perm.key,
1.16 millert 740: msqptr->msg_perm.mode,
741: msqptr->msg_perm.uid,
742: msqptr->msg_perm.gid,
743: msqptr->msg_perm.cuid,
744: msqptr->msg_perm.cgid,
745: msqptr->msg_cbytes,
746: msqptr->msg_qnum,
747: msqptr->msg_qbytes,
748: msqptr->msg_lspid,
749: msqptr->msg_lrpid);
1.1 deraadt 750: }
751: printf("\n");
752: }
1.16 millert 753: } else {
1.1 deraadt 754: if (display & (MSGINFO | MSGTOTAL)) {
1.16 millert 755: warnx("SVID messages facility not configured in "
756: "the system");
1.1 deraadt 757: }
1.16 millert 758: }
1.1 deraadt 759: if ((display & (SHMINFO | SHMTOTAL)) &&
1.3 deraadt 760: (kvm_read(kd, symbols[X_SHMINFO].n_value, &shminfo,
761: sizeof(shminfo)) == sizeof(shminfo))) {
762:
1.16 millert 763: if (display & SHMTOTAL)
764: show_shmtotal(&shminfo);
765:
1.1 deraadt 766: if (display & SHMINFO) {
1.19 millert 767: if (kvm_read(kd, symbols[X_SHMSEGS].n_value, &addr,
768: sizeof(addr)) != sizeof(addr))
1.3 deraadt 769: errx(1, "kvm_read (%s): %s",
770: symbols[X_SHMSEGS].n_name, kvm_geterr(kd));
771:
1.22 deraadt 772: shmsegs = calloc(sizeof(struct shmid_ds *),
1.5 deraadt 773: shminfo.shmmni);
1.19 millert 774: if (shmsegs == NULL)
1.22 deraadt 775: err(1, "calloc");
1.3 deraadt 776:
1.19 millert 777: if (kvm_read(kd, addr, shmsegs,
778: sizeof(struct shmid_ds *) * shminfo.shmmni) !=
779: sizeof(struct shmid_ds *) * shminfo.shmmni)
1.3 deraadt 780: errx(1, "kvm_read (shmsegs): %s",
781: kvm_geterr(kd));
1.1 deraadt 782:
1.16 millert 783: show_shminfo_hdr();
784: for (i = 0; i < shminfo.shmmni; i++) {
1.19 millert 785: if (shmsegs[i] == NULL)
786: continue;
787:
788: if (kvm_read(kd, (u_long)shmsegs[i], &shmseg,
789: sizeof(shmseg)) != sizeof(shmseg))
790: errx(1, "kvm_read (shmseg): %s",
791: kvm_geterr(kd));
792: show_shminfo(shmseg.shm_atime,
793: shmseg.shm_dtime,
794: shmseg.shm_ctime,
795: IXSEQ_TO_IPCID(i, shmseg.shm_perm),
796: shmseg.shm_perm.key,
797: shmseg.shm_perm.mode,
798: shmseg.shm_perm.uid,
799: shmseg.shm_perm.gid,
800: shmseg.shm_perm.cuid,
801: shmseg.shm_perm.cgid,
802: shmseg.shm_nattch,
803: shmseg.shm_segsz,
804: shmseg.shm_cpid,
805: shmseg.shm_lpid);
1.1 deraadt 806: }
807: printf("\n");
808: }
809: } else
810: if (display & (SHMINFO | SHMTOTAL)) {
1.16 millert 811: warnx("SVID shared memory facility not configured in "
812: "the system");
1.1 deraadt 813: }
814: if ((display & (SEMINFO | SEMTOTAL)) &&
1.3 deraadt 815: (kvm_read(kd, symbols[X_SEMINFO].n_value, &seminfo,
816: sizeof(seminfo)) == sizeof(seminfo))) {
1.16 millert 817: if (display & SEMTOTAL)
818: show_semtotal(&seminfo);
819:
1.1 deraadt 820: if (display & SEMINFO) {
1.19 millert 821: if (kvm_read(kd, symbols[X_SEMA].n_value, &addr,
822: sizeof(addr)) != sizeof(addr))
1.3 deraadt 823: errx(1, "kvm_read (%s): %s",
824: symbols[X_SEMA].n_name, kvm_geterr(kd));
825:
1.22 deraadt 826: sema = calloc(sizeof(struct semid_ds *),
1.3 deraadt 827: seminfo.semmni);
1.19 millert 828: if (sema == NULL)
1.22 deraadt 829: err(1, "calloc");
1.3 deraadt 830:
1.19 millert 831: if (kvm_read(kd, addr, sema,
832: sizeof(struct semid_ds *) * seminfo.semmni) !=
833: sizeof(struct semid_ds *) * seminfo.semmni)
1.3 deraadt 834: errx(1, "kvm_read (sema): %s",
835: kvm_geterr(kd));
1.1 deraadt 836:
1.16 millert 837: show_seminfo_hdr();
838: for (i = 0; i < seminfo.semmni; i++) {
1.19 millert 839: if (sema[i] == NULL)
840: continue;
841:
842: if (kvm_read(kd, (u_long)sema[i], &sem,
843: sizeof(sem)) != sizeof(sem))
844: errx(1, "kvm_read (sem): %s",
845: kvm_geterr(kd));
846: show_seminfo(sem.sem_otime,
847: sem.sem_ctime,
848: IXSEQ_TO_IPCID(i, sem.sem_perm),
849: sem.sem_perm.key,
850: sem.sem_perm.mode,
851: sem.sem_perm.uid,
852: sem.sem_perm.gid,
853: sem.sem_perm.cuid,
854: sem.sem_perm.cgid,
855: sem.sem_nsems);
1.1 deraadt 856: }
857: printf("\n");
858: }
859: } else
860: if (display & (SEMINFO | SEMTOTAL)) {
1.16 millert 861: warnx("SVID semaphores facility not configured in "
862: "the system");
1.1 deraadt 863: }
864: kvm_close(kd);
865: }
866:
867: void
1.16 millert 868: usage(void)
1.1 deraadt 869: {
1.16 millert 870: extern char *__progname;
1.1 deraadt 871:
872: fprintf(stderr,
1.21 jmc 873: "usage: %s [-abcMmopQqSsTt] [-C core] [-N system]\n",
1.3 deraadt 874: __progname);
1.1 deraadt 875: exit(1);
876: }