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1.22 ! deraadt 1: /* $OpenBSD: ipcs.c,v 1.21 2005/02/22 14:47:45 jmc 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.
52: *
53: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
54: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
55: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
56: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
57: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
58: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
59: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
60: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
61: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
62: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63: */
64:
65: #include <sys/param.h>
1.16 millert 66: #include <sys/sysctl.h>
1.19 millert 67: #define _KERNEL /* XXX */
1.1 deraadt 68: #include <sys/ipc.h>
69: #include <sys/sem.h>
70: #include <sys/shm.h>
71: #include <sys/msg.h>
1.3 deraadt 72: #undef _KERNEL
73:
74: #include <err.h>
75: #include <fcntl.h>
1.16 millert 76: #include <grp.h>
1.3 deraadt 77: #include <kvm.h>
78: #include <limits.h>
79: #include <nlist.h>
80: #include <paths.h>
1.16 millert 81: #include <pwd.h>
1.3 deraadt 82: #include <stdio.h>
83: #include <stdlib.h>
84: #include <string.h>
1.16 millert 85: #include <time.h>
1.3 deraadt 86: #include <unistd.h>
1.1 deraadt 87:
1.16 millert 88: void cvt_time(time_t, char *, size_t);
89: char *fmt_perm(mode_t);
90: void ipcs_kvm(void);
91: int main(int, char **);
92: void msg_sysctl(void);
93: void sem_sysctl(void);
94: void shm_sysctl(void);
95: void show_msginfo(time_t, time_t, time_t, int, key_t, mode_t, uid_t,
96: gid_t, uid_t, gid_t, u_long, u_long, u_long, pid_t, pid_t);
97: void show_msginfo_hdr(void);
98: void show_msgtotal(struct msginfo *);
99: void show_seminfo_hdr(void);
100: void show_seminfo(time_t, time_t, int, key_t, mode_t, uid_t, gid_t,
101: uid_t, gid_t, int16_t);
102: void show_semtotal(struct seminfo *);
103: void show_shminfo(time_t, time_t, time_t, int, key_t, mode_t, uid_t,
104: gid_t, uid_t, gid_t, u_int32_t, int, pid_t, pid_t);
105: void show_shminfo_hdr(void);
106: void show_shmtotal(struct shminfo *);
107: __dead void usage(void);
1.3 deraadt 108:
1.16 millert 109: char *
110: fmt_perm(mode_t mode)
1.1 deraadt 111: {
1.16 millert 112: static char buffer[12];
1.1 deraadt 113:
114: buffer[0] = '-';
115: buffer[1] = '-';
116: buffer[2] = ((mode & 0400) ? 'r' : '-');
117: buffer[3] = ((mode & 0200) ? 'w' : '-');
118: buffer[4] = ((mode & 0100) ? 'a' : '-');
119: buffer[5] = ((mode & 0040) ? 'r' : '-');
120: buffer[6] = ((mode & 0020) ? 'w' : '-');
121: buffer[7] = ((mode & 0010) ? 'a' : '-');
122: buffer[8] = ((mode & 0004) ? 'r' : '-');
123: buffer[9] = ((mode & 0002) ? 'w' : '-');
124: buffer[10] = ((mode & 0001) ? 'a' : '-');
125: buffer[11] = '\0';
126: return (&buffer[0]);
127: }
128:
129: void
1.16 millert 130: cvt_time(time_t t, char *buf, size_t buflen)
1.1 deraadt 131: {
132: struct tm *tm;
133:
1.16 millert 134: if (t == 0)
135: (void)strlcpy(buf, "no-entry", buflen);
136: else {
1.1 deraadt 137: tm = localtime(&t);
1.16 millert 138: (void)snprintf(buf, buflen, "%2d:%02d:%02d",
1.1 deraadt 139: tm->tm_hour, tm->tm_min, tm->tm_sec);
140: }
141: }
142: #define SHMINFO 1
143: #define SHMTOTAL 2
144: #define MSGINFO 4
145: #define MSGTOTAL 8
146: #define SEMINFO 16
147: #define SEMTOTAL 32
148:
149: #define BIGGEST 1
150: #define CREATOR 2
151: #define OUTSTANDING 4
152: #define PID 8
153: #define TIME 16
154:
1.16 millert 155: char *core = NULL, *namelist = NULL;
156: int display = SHMINFO | MSGINFO | SEMINFO;
157: int option = 0;
158:
1.1 deraadt 159: int
1.16 millert 160: main(int argc, char **argv)
161: {
162: int ch;
1.1 deraadt 163:
1.16 millert 164: while ((ch = getopt(argc, argv, "MmQqSsabC:cN:optT")) != -1)
165: switch (ch) {
1.1 deraadt 166: case 'M':
167: display = SHMTOTAL;
168: break;
169: case 'm':
170: display = SHMINFO;
171: break;
172: case 'Q':
173: display = MSGTOTAL;
174: break;
175: case 'q':
176: display = MSGINFO;
177: break;
178: case 'S':
179: display = SEMTOTAL;
180: break;
181: case 's':
182: display = SEMINFO;
183: break;
184: case 'T':
185: display = SHMTOTAL | MSGTOTAL | SEMTOTAL;
186: break;
187: case 'a':
188: option |= BIGGEST | CREATOR | OUTSTANDING | PID | TIME;
189: break;
190: case 'b':
191: option |= BIGGEST;
192: break;
193: case 'C':
194: core = optarg;
195: break;
196: case 'c':
197: option |= CREATOR;
198: break;
199: case 'N':
200: namelist = optarg;
201: break;
202: case 'o':
203: option |= OUTSTANDING;
204: break;
205: case 'p':
206: option |= PID;
207: break;
208: case 't':
209: option |= TIME;
210: break;
211: default:
212: usage();
213: }
1.16 millert 214:
215: if (argc - optind > 0)
216: usage();
217:
218: if (namelist == NULL && core == NULL) {
219: if (display & (MSGINFO | MSGTOTAL))
220: msg_sysctl();
221: if (display & (SHMINFO | SHMTOTAL))
222: shm_sysctl();
223: if (display & (SEMINFO | SEMTOTAL))
224: sem_sysctl();
225: } else
226: ipcs_kvm();
227:
228: exit(0);
229: }
230:
231: void
232: show_msgtotal(struct msginfo *msginfo)
233: {
234:
235: printf("msginfo:\n");
236: printf("\tmsgmax: %6d\t(max characters in a message)\n",
237: msginfo->msgmax);
238: printf("\tmsgmni: %6d\t(# of message queues)\n",
239: msginfo->msgmni);
240: printf("\tmsgmnb: %6d\t(max characters in a message queue)\n",
241: msginfo->msgmnb);
242: printf("\tmsgtql: %6d\t(max # of messages in system)\n",
243: msginfo->msgtql);
244: printf("\tmsgssz: %6d\t(size of a message segment)\n",
245: msginfo->msgssz);
246: printf("\tmsgseg: %6d\t(# of message segments in system)\n\n",
247: msginfo->msgseg);
248: }
249:
250: void
251: show_shmtotal(struct shminfo *shminfo)
252: {
253:
254: printf("shminfo:\n");
255: printf("\tshmmax: %7d\t(max shared memory segment size)\n",
256: shminfo->shmmax);
257: printf("\tshmmin: %7d\t(min shared memory segment size)\n",
258: shminfo->shmmin);
259: printf("\tshmmni: %7d\t(max number of shared memory identifiers)\n",
260: shminfo->shmmni);
261: printf("\tshmseg: %7d\t(max shared memory segments per process)\n",
262: shminfo->shmseg);
263: printf("\tshmall: %7d\t(max amount of shared memory in pages)\n\n",
264: shminfo->shmall);
265: }
266:
267: void
268: show_semtotal(struct seminfo *seminfo)
269: {
270:
271: printf("seminfo:\n");
272: printf("\tsemmni: %6d\t(# of semaphore identifiers)\n",
273: seminfo->semmni);
274: printf("\tsemmns: %6d\t(# of semaphores in system)\n",
275: seminfo->semmns);
276: printf("\tsemmnu: %6d\t(# of undo structures in system)\n",
277: seminfo->semmnu);
278: printf("\tsemmsl: %6d\t(max # of semaphores per id)\n",
279: seminfo->semmsl);
280: printf("\tsemopm: %6d\t(max # of operations per semop call)\n",
281: seminfo->semopm);
282: printf("\tsemume: %6d\t(max # of undo entries per process)\n",
283: seminfo->semume);
284: printf("\tsemusz: %6d\t(size in bytes of undo structure)\n",
285: seminfo->semusz);
286: printf("\tsemvmx: %6d\t(semaphore maximum value)\n",
287: seminfo->semvmx);
288: printf("\tsemaem: %6d\t(adjust on exit max value)\n\n",
289: seminfo->semaem);
290: }
291:
292: void
293: show_msginfo_hdr(void)
294: {
295:
296: printf("Message Queues:\n");
1.18 matthieu 297: printf("T ID KEY MODE OWNER GROUP");
1.16 millert 298: if (option & CREATOR)
299: printf(" CREATOR CGROUP");
300: if (option & OUTSTANDING)
301: printf(" CBYTES QNUM");
302: if (option & BIGGEST)
303: printf(" QBYTES");
304: if (option & PID)
305: printf(" LSPID LRPID");
306: if (option & TIME)
307: printf(" STIME RTIME CTIME");
308: printf("\n");
309: }
310:
311: void
312: show_msginfo(time_t stime, time_t rtime, time_t ctime, int ipcid, key_t key,
313: mode_t mode, uid_t uid, gid_t gid, uid_t cuid, gid_t cgid,
314: u_long cbytes, u_long qnum, u_long qbytes, pid_t lspid,
315: pid_t lrpid)
316: {
317: char stime_buf[100], rtime_buf[100], ctime_buf[100];
318:
319: if (option & TIME) {
320: cvt_time(stime, stime_buf, sizeof(stime_buf));
321: cvt_time(rtime, rtime_buf, sizeof(rtime_buf));
322: cvt_time(ctime, ctime_buf, sizeof(ctime_buf));
323: }
324:
1.18 matthieu 325: printf("q %8d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
1.16 millert 326: user_from_uid(uid, 0), group_from_gid(gid, 0));
327:
328: if (option & CREATOR)
329: printf(" %8s %8s", user_from_uid(cuid, 0),
330: group_from_gid(cgid, 0));
331:
332: if (option & OUTSTANDING)
333: printf(" %6lu %5lu", cbytes, qnum);
334:
335: if (option & BIGGEST)
336: printf(" %6lu", qbytes);
337:
338: if (option & PID)
1.17 mpech 339: printf(" %5ld %5ld", (long)lspid, (long)lrpid);
1.16 millert 340:
341: if (option & TIME)
342: printf(" %s %s %s", stime_buf, rtime_buf, ctime_buf);
343:
344: printf("\n");
345: }
346:
347: void
348: show_shminfo_hdr(void)
349: {
350:
351: printf("Shared Memory:\n");
1.18 matthieu 352: printf("T ID KEY MODE OWNER GROUP");
1.16 millert 353: if (option & CREATOR)
354: printf(" CREATOR CGROUP");
355: if (option & OUTSTANDING)
356: printf(" NATTCH");
357: if (option & BIGGEST)
358: printf(" SEGSZ");
359: if (option & PID)
360: printf(" CPID LPID");
361: if (option & TIME)
362: printf(" ATIME DTIME CTIME");
363: printf("\n");
364: }
365:
366: void
367: show_shminfo(time_t atime, time_t dtime, time_t ctime, int ipcid, key_t key,
368: mode_t mode, uid_t uid, gid_t gid, uid_t cuid, gid_t cgid,
369: u_int32_t nattch, int segsz, pid_t cpid, pid_t lpid)
370: {
371: char atime_buf[100], dtime_buf[100], ctime_buf[100];
372:
373: if (option & TIME) {
374: cvt_time(atime, atime_buf, sizeof(atime_buf));
375: cvt_time(dtime, dtime_buf, sizeof(dtime_buf));
376: cvt_time(ctime, ctime_buf, sizeof(ctime_buf));
377: }
378:
1.18 matthieu 379: printf("m %8d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
1.16 millert 380: user_from_uid(uid, 0), group_from_gid(gid, 0));
381:
382: if (option & CREATOR)
383: printf(" %8s %8s", user_from_uid(cuid, 0),
384: group_from_gid(cgid, 0));
385:
386: if (option & OUTSTANDING)
387: printf(" %6d", nattch);
388:
389: if (option & BIGGEST)
390: printf(" %7d", segsz);
391:
392: if (option & PID)
393: printf(" %5d %5d", cpid, lpid);
394:
395: if (option & TIME)
396: printf(" %s %s %s",
397: atime_buf,
398: dtime_buf,
399: ctime_buf);
400:
401: printf("\n");
402: }
403:
404: void
405: show_seminfo_hdr(void)
406: {
407:
408: printf("Semaphores:\n");
1.18 matthieu 409: printf("T ID KEY MODE OWNER GROUP");
1.16 millert 410: if (option & CREATOR)
411: printf(" CREATOR CGROUP");
412: if (option & BIGGEST)
413: printf(" NSEMS");
414: if (option & TIME)
415: printf(" OTIME CTIME");
416: printf("\n");
417: }
418:
419: void
420: show_seminfo(time_t otime, time_t ctime, int ipcid, key_t key, mode_t mode,
421: uid_t uid, gid_t gid, uid_t cuid, gid_t cgid, int16_t nsems)
422: {
423: char ctime_buf[100], otime_buf[100];
424:
425: if (option & TIME) {
426: cvt_time(otime, otime_buf, sizeof(otime_buf));
427: cvt_time(ctime, ctime_buf, sizeof(ctime_buf));
428: }
429:
1.18 matthieu 430: printf("s %8d %10ld %s %8s %8s", ipcid, key, fmt_perm(mode),
1.16 millert 431: user_from_uid(uid, 0), group_from_gid(gid, 0));
432:
433: if (option & CREATOR)
434: printf(" %8s %8s", user_from_uid(cuid, 0),
435: group_from_gid(cgid, 0));
436:
437: if (option & BIGGEST)
438: printf(" %5d", nsems);
439:
440: if (option & TIME)
441: printf(" %s %s", otime_buf, ctime_buf);
442:
443: printf("\n");
444: }
445:
446: void
447: msg_sysctl(void)
448: {
449: struct msg_sysctl_info *msgsi;
450: char *buf;
451: int mib[3];
452: size_t len;
453: int i, valid;
454:
455: mib[0] = CTL_KERN;
456: mib[1] = KERN_SYSVMSG;
457: len = sizeof(valid);
458: if (sysctl(mib, 2, &valid, &len, NULL, NULL) < 0) {
459: warn("sysctl(KERN_SYSVMSG)");
460: return;
461: }
462: if (!valid) {
463: warnx("SVID messages facility not configured in the system");
464: return;
465: }
466:
467: mib[0] = CTL_KERN;
468: mib[1] = KERN_SYSVIPC_INFO;
469: mib[2] = KERN_SYSVIPC_MSG_INFO;
470:
471: if (!(display & MSGINFO)) {
472: /* totals only */
473: len = sizeof(struct msginfo);
474: } else {
475: if (sysctl(mib, 3, NULL, &len, NULL, NULL) < 0) {
476: warn("sysctl(KERN_SYSVIPC_MSG_INFO)");
477: return;
478: }
479: }
480:
481: if ((buf = malloc(len)) == NULL)
482: err(1, "malloc");
483: msgsi = (struct msg_sysctl_info *)buf;
484: if (sysctl(mib, 3, msgsi, &len, NULL, NULL) < 0) {
485: warn("sysctl(KERN_SYSVIPC_MSG_INFO)");
486: return;
1.6 tholo 487: }
1.8 deraadt 488:
1.16 millert 489: if (display & MSGTOTAL)
490: show_msgtotal(&msgsi->msginfo);
491:
492: if (display & MSGINFO) {
493: show_msginfo_hdr();
494: for (i = 0; i < msgsi->msginfo.msgmni; i++) {
495: struct msqid_ds *msqptr = &msgsi->msgids[i];
496: if (msqptr->msg_qbytes != 0)
497: show_msginfo(msqptr->msg_stime,
498: msqptr->msg_rtime,
499: msqptr->msg_ctime,
500: IXSEQ_TO_IPCID(i, msqptr->msg_perm),
501: msqptr->msg_perm.key,
502: msqptr->msg_perm.mode,
503: msqptr->msg_perm.uid,
504: msqptr->msg_perm.gid,
505: msqptr->msg_perm.cuid,
506: msqptr->msg_perm.cgid,
507: msqptr->msg_cbytes,
508: msqptr->msg_qnum,
509: msqptr->msg_qbytes,
510: msqptr->msg_lspid,
511: msqptr->msg_lrpid);
512: }
513: printf("\n");
514: }
515: }
516:
517: void
518: shm_sysctl(void)
519: {
520: struct shm_sysctl_info *shmsi;
521: char *buf;
522: int mib[3];
523: size_t len;
1.19 millert 524: int i, valid;
1.16 millert 525:
526: mib[0] = CTL_KERN;
527: mib[1] = KERN_SYSVSHM;
528: len = sizeof(valid);
529: if (sysctl(mib, 2, &valid, &len, NULL, NULL) < 0) {
530: warn("sysctl(KERN_SYSVSHM)");
531: return;
532: }
533: if (!valid) {
534: warnx("SVID shared memory facility not configured in "
535: "the system");
536: return;
537: }
538:
539: mib[0] = CTL_KERN;
540: mib[1] = KERN_SYSVIPC_INFO;
541: mib[2] = KERN_SYSVIPC_SHM_INFO;
542:
543: if (!(display & SHMINFO)) {
544: /* totals only */
545: len = sizeof(struct shminfo);
546: } else {
547: if (sysctl(mib, 3, NULL, &len, NULL, NULL) < 0) {
548: warn("sysctl(KERN_SYSVIPC_SHM_INFO)");
549: return;
550: }
551: }
552:
553: if ((buf = malloc(len)) == NULL)
554: err(1, "malloc");
555: shmsi = (struct shm_sysctl_info *)buf;
556: if (sysctl(mib, 3, shmsi, &len, NULL, NULL) < 0) {
557: warn("sysctl(KERN_SYSVIPC_SHM_INFO)");
558: return;
559: }
560:
561: if (display & SHMTOTAL)
562: show_shmtotal(&shmsi->shminfo);
563:
564: if (display & SHMINFO) {
565: show_shminfo_hdr();
566: for (i = 0; i < shmsi->shminfo.shmmni; i++) {
567: struct shmid_ds *shmptr = &shmsi->shmids[i];
1.19 millert 568: if (shmptr->shm_internal)
1.16 millert 569: show_shminfo(shmptr->shm_atime,
570: shmptr->shm_dtime,
571: shmptr->shm_ctime,
572: IXSEQ_TO_IPCID(i, shmptr->shm_perm),
573: shmptr->shm_perm.key,
574: shmptr->shm_perm.mode,
575: shmptr->shm_perm.uid,
576: shmptr->shm_perm.gid,
577: shmptr->shm_perm.cuid,
578: shmptr->shm_perm.cgid,
579: shmptr->shm_nattch,
580: shmptr->shm_segsz,
581: shmptr->shm_cpid,
582: shmptr->shm_lpid);
583: }
584: printf("\n");
585: }
586: }
587:
588: void
589: sem_sysctl(void)
590: {
591: struct sem_sysctl_info *semsi;
592: char *buf;
593: int mib[3];
594: size_t len;
595: int i, valid;
596:
597: mib[0] = CTL_KERN;
598: mib[1] = KERN_SYSVSEM;
599: len = sizeof(valid);
600: if (sysctl(mib, 2, &valid, &len, NULL, NULL) < 0) {
601: warn("sysctl(KERN_SYSVSEM)");
602: return;
603: }
604: if (!valid) {
605: warnx("SVID shared memory facility not configured in "
606: "the system");
607: return;
608: }
609:
610: mib[0] = CTL_KERN;
611: mib[1] = KERN_SYSVIPC_INFO;
612: mib[2] = KERN_SYSVIPC_SEM_INFO;
613:
614: if (!(display & SEMINFO)) {
615: /* totals only */
616: len = sizeof(struct seminfo);
617: } else {
618: if (sysctl(mib, 3, NULL, &len, NULL, NULL) < 0) {
619: warn("sysctl(KERN_SYSVIPC_SEM_INFO)");
620: return;
621: }
622: }
623:
624: if ((buf = malloc(len)) == NULL)
625: err(1, "malloc");
626: semsi = (struct sem_sysctl_info *)buf;
627: if (sysctl(mib, 3, semsi, &len, NULL, NULL) < 0) {
628: warn("sysctl(KERN_SYSVIPC_SEM_INFO)");
629: return;
630: }
631:
632: if (display & SEMTOTAL)
633: show_semtotal(&semsi->seminfo);
634:
635: if (display & SEMINFO) {
636: show_seminfo_hdr();
637: for (i = 0; i < semsi->seminfo.semmni; i++) {
638: struct semid_ds *semaptr = &semsi->semids[i];
1.19 millert 639:
640: if (semaptr->sem_base != NULL)
1.16 millert 641: show_seminfo(semaptr->sem_otime,
642: semaptr->sem_ctime,
643: IXSEQ_TO_IPCID(i, semaptr->sem_perm),
644: semaptr->sem_perm.key,
645: semaptr->sem_perm.mode,
646: semaptr->sem_perm.uid,
647: semaptr->sem_perm.gid,
648: semaptr->sem_perm.cuid,
649: semaptr->sem_perm.cgid,
650: semaptr->sem_nsems);
651: }
652: printf("\n");
653: }
654: }
655:
656: void
657: ipcs_kvm(void)
658: {
659: struct msginfo msginfo;
660: struct msqid_ds *msqids;
661: struct seminfo seminfo;
1.19 millert 662: struct semid_ds sem, **sema;
1.16 millert 663: struct shminfo shminfo;
1.19 millert 664: struct shmid_ds shmseg, **shmsegs;
665: char errbuf[_POSIX2_LINE_MAX];
666: u_long addr;
1.16 millert 667: kvm_t *kd;
668: int i;
669: struct nlist symbols[] = {
670: {"_sema"},
671: #define X_SEMA 0
672: {"_seminfo"},
673: #define X_SEMINFO 1
674: {"_semu"},
675: #define X_SEMU 2
676: {"_msginfo"},
677: #define X_MSGINFO 3
678: {"_msqids"},
679: #define X_MSQIDS 4
680: {"_shminfo"},
681: #define X_SHMINFO 5
682: {"_shmsegs"},
683: #define X_SHMSEGS 6
684: {NULL}
685: };
686:
687: if ((kd = kvm_openfiles(namelist, core, NULL, O_RDONLY,
688: errbuf)) == NULL)
689: errx(1, "can't open kvm: %s", errbuf);
1.1 deraadt 690:
691: switch (kvm_nlist(kd, symbols)) {
692: case 0:
693: break;
694: case -1:
1.16 millert 695: errx(1, "%s: unable to read symbol table.",
696: namelist == NULL ? _PATH_UNIX : namelist);
697: /* NOTREACHED */
1.1 deraadt 698: default:
699: #ifdef notdef /* they'll be told more civilly later */
700: warnx("nlist failed");
701: for (i = 0; symbols[i].n_name != NULL; i++)
702: if (symbols[i].n_value == 0)
1.16 millert 703: warnx("symbol %s not found", symbols[i].n_name);
704: #endif
1.1 deraadt 705: break;
706: }
707:
708: if ((display & (MSGINFO | MSGTOTAL)) &&
1.3 deraadt 709: (kvm_read(kd, symbols[X_MSGINFO].n_value,
710: &msginfo, sizeof(msginfo)) == sizeof(msginfo))) {
1.1 deraadt 711:
1.16 millert 712: if (display & MSGTOTAL)
713: show_msgtotal(&msginfo);
714:
1.1 deraadt 715: if (display & MSGINFO) {
1.3 deraadt 716: if (kvm_read(kd, symbols[X_MSQIDS].n_value,
1.19 millert 717: &addr, sizeof(addr)) != sizeof(addr))
1.3 deraadt 718: errx(1, "kvm_read (%s): %s",
719: symbols[X_MSQIDS].n_name, kvm_geterr(kd));
720:
1.22 ! deraadt 721: msqids = calloc(sizeof(struct msqid_ds),
1.3 deraadt 722: msginfo.msgmni);
1.19 millert 723: if (msqids == NULL)
1.22 ! deraadt 724: err(1, "calloc");
1.3 deraadt 725:
1.19 millert 726: if (kvm_read(kd, addr, msqids,
1.3 deraadt 727: sizeof(struct msqid_ds) * msginfo.msgmni) !=
728: sizeof(struct msqid_ds) * msginfo.msgmni)
729: errx(1, "kvm_read (msqids): %s",
730: kvm_geterr(kd));
1.1 deraadt 731:
1.16 millert 732: show_msginfo_hdr();
733: for (i = 0; i < msginfo.msgmni; i++) {
1.19 millert 734: struct msqid_ds *msqptr = &msqids[i];
1.16 millert 735: if (msqptr->msg_qbytes != 0)
736: show_msginfo(msqptr->msg_stime,
737: msqptr->msg_rtime,
738: msqptr->msg_ctime,
1.1 deraadt 739: IXSEQ_TO_IPCID(i, msqptr->msg_perm),
740: msqptr->msg_perm.key,
1.16 millert 741: msqptr->msg_perm.mode,
742: msqptr->msg_perm.uid,
743: msqptr->msg_perm.gid,
744: msqptr->msg_perm.cuid,
745: msqptr->msg_perm.cgid,
746: msqptr->msg_cbytes,
747: msqptr->msg_qnum,
748: msqptr->msg_qbytes,
749: msqptr->msg_lspid,
750: msqptr->msg_lrpid);
1.1 deraadt 751: }
752: printf("\n");
753: }
1.16 millert 754: } else {
1.1 deraadt 755: if (display & (MSGINFO | MSGTOTAL)) {
1.16 millert 756: warnx("SVID messages facility not configured in "
757: "the system");
1.1 deraadt 758: }
1.16 millert 759: }
1.1 deraadt 760: if ((display & (SHMINFO | SHMTOTAL)) &&
1.3 deraadt 761: (kvm_read(kd, symbols[X_SHMINFO].n_value, &shminfo,
762: sizeof(shminfo)) == sizeof(shminfo))) {
763:
1.16 millert 764: if (display & SHMTOTAL)
765: show_shmtotal(&shminfo);
766:
1.1 deraadt 767: if (display & SHMINFO) {
1.19 millert 768: if (kvm_read(kd, symbols[X_SHMSEGS].n_value, &addr,
769: sizeof(addr)) != sizeof(addr))
1.3 deraadt 770: errx(1, "kvm_read (%s): %s",
771: symbols[X_SHMSEGS].n_name, kvm_geterr(kd));
772:
1.22 ! deraadt 773: shmsegs = calloc(sizeof(struct shmid_ds *),
1.5 deraadt 774: shminfo.shmmni);
1.19 millert 775: if (shmsegs == NULL)
1.22 ! deraadt 776: err(1, "calloc");
1.3 deraadt 777:
1.19 millert 778: if (kvm_read(kd, addr, shmsegs,
779: sizeof(struct shmid_ds *) * shminfo.shmmni) !=
780: sizeof(struct shmid_ds *) * shminfo.shmmni)
1.3 deraadt 781: errx(1, "kvm_read (shmsegs): %s",
782: kvm_geterr(kd));
1.1 deraadt 783:
1.16 millert 784: show_shminfo_hdr();
785: for (i = 0; i < shminfo.shmmni; i++) {
1.19 millert 786: if (shmsegs[i] == NULL)
787: continue;
788:
789: if (kvm_read(kd, (u_long)shmsegs[i], &shmseg,
790: sizeof(shmseg)) != sizeof(shmseg))
791: errx(1, "kvm_read (shmseg): %s",
792: kvm_geterr(kd));
793: show_shminfo(shmseg.shm_atime,
794: shmseg.shm_dtime,
795: shmseg.shm_ctime,
796: IXSEQ_TO_IPCID(i, shmseg.shm_perm),
797: shmseg.shm_perm.key,
798: shmseg.shm_perm.mode,
799: shmseg.shm_perm.uid,
800: shmseg.shm_perm.gid,
801: shmseg.shm_perm.cuid,
802: shmseg.shm_perm.cgid,
803: shmseg.shm_nattch,
804: shmseg.shm_segsz,
805: shmseg.shm_cpid,
806: shmseg.shm_lpid);
1.1 deraadt 807: }
808: printf("\n");
809: }
810: } else
811: if (display & (SHMINFO | SHMTOTAL)) {
1.16 millert 812: warnx("SVID shared memory facility not configured in "
813: "the system");
1.1 deraadt 814: }
815: if ((display & (SEMINFO | SEMTOTAL)) &&
1.3 deraadt 816: (kvm_read(kd, symbols[X_SEMINFO].n_value, &seminfo,
817: sizeof(seminfo)) == sizeof(seminfo))) {
1.16 millert 818: if (display & SEMTOTAL)
819: show_semtotal(&seminfo);
820:
1.1 deraadt 821: if (display & SEMINFO) {
1.19 millert 822: if (kvm_read(kd, symbols[X_SEMA].n_value, &addr,
823: sizeof(addr)) != sizeof(addr))
1.3 deraadt 824: errx(1, "kvm_read (%s): %s",
825: symbols[X_SEMA].n_name, kvm_geterr(kd));
826:
1.22 ! deraadt 827: sema = calloc(sizeof(struct semid_ds *),
1.3 deraadt 828: seminfo.semmni);
1.19 millert 829: if (sema == NULL)
1.22 ! deraadt 830: err(1, "calloc");
1.3 deraadt 831:
1.19 millert 832: if (kvm_read(kd, addr, sema,
833: sizeof(struct semid_ds *) * seminfo.semmni) !=
834: sizeof(struct semid_ds *) * seminfo.semmni)
1.3 deraadt 835: errx(1, "kvm_read (sema): %s",
836: kvm_geterr(kd));
1.1 deraadt 837:
1.16 millert 838: show_seminfo_hdr();
839: for (i = 0; i < seminfo.semmni; i++) {
1.19 millert 840: if (sema[i] == NULL)
841: continue;
842:
843: if (kvm_read(kd, (u_long)sema[i], &sem,
844: sizeof(sem)) != sizeof(sem))
845: errx(1, "kvm_read (sem): %s",
846: kvm_geterr(kd));
847: show_seminfo(sem.sem_otime,
848: sem.sem_ctime,
849: IXSEQ_TO_IPCID(i, sem.sem_perm),
850: sem.sem_perm.key,
851: sem.sem_perm.mode,
852: sem.sem_perm.uid,
853: sem.sem_perm.gid,
854: sem.sem_perm.cuid,
855: sem.sem_perm.cgid,
856: sem.sem_nsems);
1.1 deraadt 857: }
858: printf("\n");
859: }
860: } else
861: if (display & (SEMINFO | SEMTOTAL)) {
1.16 millert 862: warnx("SVID semaphores facility not configured in "
863: "the system");
1.1 deraadt 864: }
865: kvm_close(kd);
866: }
867:
868: void
1.16 millert 869: usage(void)
1.1 deraadt 870: {
1.16 millert 871: extern char *__progname;
1.1 deraadt 872:
873: fprintf(stderr,
1.21 jmc 874: "usage: %s [-abcMmopQqSsTt] [-C core] [-N system]\n",
1.3 deraadt 875: __progname);
1.1 deraadt 876: exit(1);
877: }