Annotation of src/usr.bin/ipcs/ipcs.c, Revision 1.16
1.16 ! millert 1: /* $OpenBSD: ipcs.c,v 1.15 2001/08/13 15:10:21 millert Exp $ */
! 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)
! 341: printf(" %5d %5d", lspid, lrpid);
! 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: }
![[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