pstat.c revision 1.71
1/* $OpenBSD: pstat.c,v 1.71 2007/12/08 18:23:24 deraadt Exp $ */ 2/* $NetBSD: pstat.c,v 1.27 1996/10/23 22:50:06 cgd Exp $ */ 3 4/*- 5 * Copyright (c) 1980, 1991, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#ifndef lint 34static char copyright[] = 35"@(#) Copyright (c) 1980, 1991, 1993\n\ 36 The Regents of the University of California. All rights reserved.\n"; 37#endif /* not lint */ 38 39#ifndef lint 40#if 0 41from: static char sccsid[] = "@(#)pstat.c 8.9 (Berkeley) 2/16/94"; 42#else 43static char *rcsid = "$OpenBSD: pstat.c,v 1.71 2007/12/08 18:23:24 deraadt Exp $"; 44#endif 45#endif /* not lint */ 46 47#include <sys/param.h> 48#include <sys/time.h> 49#include <sys/buf.h> 50#include <sys/vnode.h> 51#include <sys/ucred.h> 52#define _KERNEL 53#include <sys/file.h> 54#include <ufs/ufs/quota.h> 55#include <ufs/ufs/inode.h> 56#define NFS 57#include <sys/mount.h> 58#undef NFS 59#undef _KERNEL 60#include <sys/stat.h> 61#include <nfs/nfsproto.h> 62#include <nfs/rpcv2.h> 63#include <nfs/nfsnode.h> 64#include <sys/ioctl.h> 65#include <sys/tty.h> 66#include <sys/conf.h> 67#include <sys/device.h> 68#include <sys/swap.h> 69 70#include <sys/sysctl.h> 71 72#include <err.h> 73#include <kvm.h> 74#include <limits.h> 75#include <nlist.h> 76#include <paths.h> 77#include <stdio.h> 78#include <stdlib.h> 79#include <string.h> 80#include <unistd.h> 81 82struct nlist vnodenl[] = { 83#define FNL_NFILE 0 /* sysctl */ 84 {"_nfiles"}, 85#define FNL_MAXFILE 1 /* sysctl */ 86 {"_maxfiles"}, 87#define TTY_NTTY 2 /* sysctl */ 88 {"_tty_count"}, 89#define V_NUMV 3 /* sysctl */ 90 { "_numvnodes" }, 91#define TTY_TTYLIST 4 /* sysctl */ 92 {"_ttylist"}, 93#define V_MOUNTLIST 5 /* no sysctl */ 94 { "_mountlist" }, 95 { NULL } 96}; 97 98struct nlist *globalnl; 99 100int usenumflag; 101int totalflag; 102int kflag; 103char *nlistf = NULL; 104char *memf = NULL; 105kvm_t *kd = NULL; 106 107#define SVAR(var) __STRING(var) /* to force expansion */ 108#define KGET(idx, var) \ 109 KGET1(idx, &var, sizeof(var), SVAR(var)) 110#define KGET1(idx, p, s, msg) \ 111 KGET2(globalnl[idx].n_value, p, s, msg) 112#define KGET2(addr, p, s, msg) \ 113 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 114 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 115#define KGETRET(addr, p, s, msg) \ 116 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 117 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 118 return (0); \ 119 } 120 121void filemode(void); 122int getfiles(char **, size_t *); 123struct mount * 124 getmnt(struct mount *); 125struct e_vnode * 126 kinfo_vnodes(int *); 127struct e_vnode * 128 loadvnodes(int *); 129void mount_print(struct mount *); 130void nfs_header(void); 131int nfs_print(struct vnode *); 132void swapmode(void); 133void ttymode(void); 134void ttyprt(struct itty *); 135void ufs_header(void); 136int ufs_print(struct vnode *); 137void ext2fs_header(void); 138int ext2fs_print(struct vnode *); 139void usage(void); 140void vnode_header(void); 141void vnode_print(struct vnode *, struct vnode *); 142void vnodemode(void); 143 144int 145main(int argc, char *argv[]) 146{ 147 int fileflag = 0, swapflag = 0, ttyflag = 0, vnodeflag = 0, ch; 148 char buf[_POSIX2_LINE_MAX]; 149 const char *dformat = NULL; 150 extern char *optarg; 151 extern int optind; 152 gid_t gid; 153 int i; 154 155 while ((ch = getopt(argc, argv, "d:TM:N:fiknstv")) != -1) 156 switch (ch) { 157 case 'd': 158 dformat = optarg; 159 break; 160 case 'f': 161 fileflag = 1; 162 break; 163 case 'M': 164 memf = optarg; 165 break; 166 case 'N': 167 nlistf = optarg; 168 break; 169 case 'n': 170 usenumflag = 1; 171 break; 172 case 's': 173 swapflag = 1; 174 break; 175 case 'T': 176 totalflag = 1; 177 break; 178 case 't': 179 ttyflag = 1; 180 break; 181 case 'k': 182 kflag = 1; 183 break; 184 case 'v': 185 case 'i': /* Backward compatibility. */ 186 vnodeflag = 1; 187 break; 188 default: 189 usage(); 190 } 191 argc -= optind; 192 argv += optind; 193 194 if (dformat && getuid()) 195 errx(1, "Only root can use -d"); 196 197 if ((dformat == 0 && argc > 0) || (dformat && argc == 0)) 198 usage(); 199 200 /* 201 * Discard setgid privileges if not the running kernel so that bad 202 * guys can't print interesting stuff from kernel memory. 203 */ 204 gid = getgid(); 205 if (nlistf != NULL || memf != NULL) 206 if (setresgid(gid, gid, gid) == -1) 207 err(1, "setresgid"); 208 209 if (vnodeflag || dformat) 210 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 211 errx(1, "kvm_openfiles: %s", buf); 212 213 if (nlistf == NULL && memf == NULL) 214 if (setresgid(gid, gid, gid) == -1) 215 err(1, "setresgid"); 216 if (dformat) { 217 struct nlist *nl; 218 int longformat = 0, stringformat = 0, error = 0, n; 219 int mask = ~0; 220 char format[10], buf[1024]; 221 222 n = strlen(dformat); 223 if (n == 0) 224 errx(1, "illegal format"); 225 226 /* 227 * Support p, c, s, and {l, ll, h, hh, j, t, z, }[diouxX] 228 */ 229 if (strcmp(dformat, "p") == 0) 230 longformat = sizeof(long) == 8; 231 else if (strcmp(dformat, "c") == 0) 232 mask = 0xff; 233 else if (strcmp(dformat, "s") == 0) 234 stringformat = 1; 235 else if (strchr("diouxX", dformat[n - 1])) { 236 char *ptbl[]= {"l", "ll", "h", "hh", "j", "t", "z", ""}; 237 int i; 238 239 char *mod; 240 for (i = 0; i < sizeof(ptbl)/sizeof(ptbl[0]); i++) { 241 mod = ptbl[i]; 242 if (strlen(mod) == n - 1 && 243 strncmp(mod, dformat, strlen(mod)) == 0) 244 break; 245 } 246 if (i == sizeof(ptbl)/sizeof(ptbl[0]) 247 && dformat[1] != '\0') 248 errx(1, "illegal format"); 249 if (strcmp(mod, "l") == 0) 250 longformat = sizeof(long) == sizeof(long long); 251 else if (strcmp(mod, "h") == 0) 252 mask = 0xffff; 253 else if (strcmp(mod, "hh") == 0) 254 mask = 0xff; 255 else 256 longformat = 1; 257 258 } else 259 errx(1, "illegal format"); 260 261 if (*dformat == 's') { 262 stringformat = 1; 263 snprintf(format, sizeof(format), "%%.%zus", 264 sizeof buf); 265 } else 266 snprintf(format, sizeof(format), "%%%s", dformat); 267 268 nl = calloc(argc + 1, sizeof *nl); 269 if (!nl) 270 err(1, "calloc nl: "); 271 for (i = 0; i < argc; i++) { 272 if (asprintf(&nl[i].n_name, "_%s", 273 argv[i]) == -1) 274 warn("asprintf"); 275 } 276 kvm_nlist(kd, nl); 277 globalnl = nl; 278 for (i = 0; i < argc; i++) { 279 long long v; 280 281 printf("%s ", argv[i]); 282 if (!nl[i].n_value && argv[i][0] == '0') { 283 nl[i].n_value = strtoul(argv[i], NULL, 16); 284 nl[i].n_type = N_DATA; 285 } 286 if (!nl[i].n_value) { 287 printf("not found\n"); 288 error++; 289 continue; 290 } 291 292 printf("at %p: ", (void *)nl[i].n_value); 293 if (nl[i].n_type == N_DATA) { 294 if (stringformat) { 295 KGET1(i, &buf, sizeof(buf), argv[i]); 296 buf[sizeof(buf) - 1] = '\0'; 297 } else 298 KGET1(i, &v, sizeof(v), argv[i]); 299 if (stringformat) 300 printf(format, &buf); 301 else if (longformat) 302 printf(format, v); 303 else 304 printf(format, ((int)v) & mask); 305 } 306 printf("\n"); 307 } 308 for (i = 0; i < argc; i++) 309 free(nl[i].n_name); 310 free(nl); 311 exit(error); 312 } 313 314 if (vnodeflag) 315 if (kvm_nlist(kd, vnodenl) == -1) 316 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 317 318 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag || dformat)) 319 usage(); 320 if (fileflag || totalflag) 321 filemode(); 322 if (vnodeflag || totalflag) 323 vnodemode(); 324 if (ttyflag) 325 ttymode(); 326 if (swapflag || totalflag) 327 swapmode(); 328 exit(0); 329} 330 331void 332vnodemode(void) 333{ 334 struct e_vnode *e_vnodebase, *endvnode, *evp; 335 struct vnode *vp; 336 struct mount *maddr, *mp = NULL; 337 int numvnodes; 338 339 globalnl = vnodenl; 340 341 e_vnodebase = loadvnodes(&numvnodes); 342 if (totalflag) { 343 (void)printf("%7d vnodes\n", numvnodes); 344 return; 345 } 346 endvnode = e_vnodebase + numvnodes; 347 (void)printf("%d active vnodes\n", numvnodes); 348 349 maddr = NULL; 350 for (evp = e_vnodebase; evp < endvnode; evp++) { 351 vp = &evp->vnode; 352 if (vp->v_mount != maddr) { 353 /* 354 * New filesystem 355 */ 356 if ((mp = getmnt(vp->v_mount)) == NULL) 357 continue; 358 maddr = vp->v_mount; 359 mount_print(mp); 360 vnode_header(); 361 if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 362 !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 363 ufs_header(); 364 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS, 365 MFSNAMELEN)) { 366 nfs_header(); 367 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS, 368 MFSNAMELEN)) { 369 ext2fs_header(); 370 } 371 (void)printf("\n"); 372 } 373 vnode_print(evp->vptr, vp); 374 375 /* Syncer vnodes have no associated fs-specific data */ 376 if (vp->v_data == NULL) { 377 printf(" %6c %5c %7c\n", '-', '-', '-'); 378 continue; 379 } 380 381 if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 382 !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 383 ufs_print(vp); 384 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { 385 nfs_print(vp); 386 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS, 387 MFSNAMELEN)) { 388 ext2fs_print(vp); 389 } 390 (void)printf("\n"); 391 } 392 free(e_vnodebase); 393} 394 395void 396vnode_header(void) 397{ 398 (void)printf("%*s TYP VFLAG USE HOLD", 2 * sizeof(long), "ADDR"); 399} 400 401void 402vnode_print(struct vnode *avnode, struct vnode *vp) 403{ 404 char *type, flags[16]; 405 char *fp = flags; 406 int flag; 407 408 /* 409 * set type 410 */ 411 switch (vp->v_type) { 412 case VNON: 413 type = "non"; break; 414 case VREG: 415 type = "reg"; break; 416 case VDIR: 417 type = "dir"; break; 418 case VBLK: 419 type = "blk"; break; 420 case VCHR: 421 type = "chr"; break; 422 case VLNK: 423 type = "lnk"; break; 424 case VSOCK: 425 type = "soc"; break; 426 case VFIFO: 427 type = "fif"; break; 428 case VBAD: 429 type = "bad"; break; 430 default: 431 type = "unk"; break; 432 } 433 /* 434 * gather flags 435 */ 436 flag = vp->v_flag; 437 if (flag & VROOT) 438 *fp++ = 'R'; 439 if (flag & VTEXT) 440 *fp++ = 'T'; 441 if (flag & VSYSTEM) 442 *fp++ = 'S'; 443 if (flag & VISTTY) 444 *fp++ = 'I'; 445 if (flag & VXLOCK) 446 *fp++ = 'L'; 447 if (flag & VXWANT) 448 *fp++ = 'W'; 449 if (vp->v_bioflag & VBIOWAIT) 450 *fp++ = 'B'; 451 if (flag & VALIASED) 452 *fp++ = 'A'; 453 if (vp->v_bioflag & VBIOONFREELIST) 454 *fp++ = 'F'; 455 if (flag & VLOCKSWORK) 456 *fp++ = 'l'; 457 if (vp->v_bioflag & VBIOONSYNCLIST) 458 *fp++ = 's'; 459 if (flag == 0) 460 *fp++ = '-'; 461 *fp = '\0'; 462 (void)printf("%0*lx %s %5s %4d %4u", 2 * sizeof(long), 463 (long)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 464} 465 466void 467ufs_header(void) 468{ 469 (void)printf(" FILEID IFLAG RDEV|SZ"); 470} 471 472int 473ufs_print(struct vnode *vp) 474{ 475 int flag; 476 struct inode inode, *ip = &inode; 477 struct ufs1_dinode di1; 478 char flagbuf[16], *flags = flagbuf; 479 char *name; 480 mode_t type; 481 482 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 483 KGETRET(inode.i_din1, &di1, sizeof(struct ufs1_dinode), 484 "vnode's dinode"); 485 486 inode.i_din1 = &di1; 487 flag = ip->i_flag; 488#if 0 489 if (flag & IN_LOCKED) 490 *flags++ = 'L'; 491 if (flag & IN_WANTED) 492 *flags++ = 'W'; 493 if (flag & IN_LWAIT) 494 *flags++ = 'Z'; 495#endif 496 if (flag & IN_ACCESS) 497 *flags++ = 'A'; 498 if (flag & IN_CHANGE) 499 *flags++ = 'C'; 500 if (flag & IN_UPDATE) 501 *flags++ = 'U'; 502 if (flag & IN_MODIFIED) 503 *flags++ = 'M'; 504 if (flag & IN_RENAME) 505 *flags++ = 'R'; 506 if (flag & IN_SHLOCK) 507 *flags++ = 'S'; 508 if (flag & IN_EXLOCK) 509 *flags++ = 'E'; 510 if (flag == 0) 511 *flags++ = '-'; 512 *flags = '\0'; 513 514 (void)printf(" %6d %5s", ip->i_number, flagbuf); 515 type = ip->i_ffs1_mode & S_IFMT; 516 if (S_ISCHR(ip->i_ffs1_mode) || S_ISBLK(ip->i_ffs1_mode)) 517 if (usenumflag || 518 ((name = devname(ip->i_ffs1_rdev, type)) == NULL)) 519 (void)printf(" %2d,%-2d", 520 major(ip->i_ffs1_rdev), minor(ip->i_ffs1_rdev)); 521 else 522 (void)printf(" %7s", name); 523 else 524 (void)printf(" %7qd", ip->i_ffs1_size); 525 return (0); 526} 527 528void 529ext2fs_header(void) 530{ 531 (void)printf(" FILEID IFLAG SZ"); 532} 533 534int 535ext2fs_print(struct vnode *vp) 536{ 537 int flag; 538 struct inode inode, *ip = &inode; 539 struct ext2fs_dinode di; 540 char flagbuf[16], *flags = flagbuf; 541 542 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 543 KGETRET(inode.i_e2din, &di, sizeof(struct ext2fs_dinode), 544 "vnode's dinode"); 545 546 inode.i_e2din = &di; 547 flag = ip->i_flag; 548 549#if 0 550 if (flag & IN_LOCKED) 551 *flags++ = 'L'; 552 if (flag & IN_WANTED) 553 *flags++ = 'W'; 554 if (flag & IN_LWAIT) 555 *flags++ = 'Z'; 556#endif 557 if (flag & IN_ACCESS) 558 *flags++ = 'A'; 559 if (flag & IN_CHANGE) 560 *flags++ = 'C'; 561 if (flag & IN_UPDATE) 562 *flags++ = 'U'; 563 if (flag & IN_MODIFIED) 564 *flags++ = 'M'; 565 if (flag & IN_RENAME) 566 *flags++ = 'R'; 567 if (flag & IN_SHLOCK) 568 *flags++ = 'S'; 569 if (flag & IN_EXLOCK) 570 *flags++ = 'E'; 571 if (flag == 0) 572 *flags++ = '-'; 573 *flags = '\0'; 574 575 (void)printf(" %6d %5s %2d", ip->i_number, flagbuf, ip->i_e2fs_size); 576 return (0); 577} 578 579void 580nfs_header(void) 581{ 582 (void)printf(" FILEID NFLAG RDEV|SZ"); 583} 584 585int 586nfs_print(struct vnode *vp) 587{ 588 struct nfsnode nfsnode, *np = &nfsnode; 589 char flagbuf[16], *flags = flagbuf; 590 int flag; 591 char *name; 592 mode_t type; 593 594 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 595 flag = np->n_flag; 596 if (flag & NFLUSHWANT) 597 *flags++ = 'W'; 598 if (flag & NFLUSHINPROG) 599 *flags++ = 'P'; 600 if (flag & NMODIFIED) 601 *flags++ = 'M'; 602 if (flag & NWRITEERR) 603 *flags++ = 'E'; 604 if (flag & NACC) 605 *flags++ = 'A'; 606 if (flag & NUPD) 607 *flags++ = 'U'; 608 if (flag & NCHG) 609 *flags++ = 'C'; 610 if (flag == 0) 611 *flags++ = '-'; 612 *flags = '\0'; 613 614 (void)printf(" %6ld %5s", np->n_vattr.va_fileid, flagbuf); 615 type = np->n_vattr.va_mode & S_IFMT; 616 if (S_ISCHR(np->n_vattr.va_mode) || S_ISBLK(np->n_vattr.va_mode)) 617 if (usenumflag || 618 ((name = devname(np->n_vattr.va_rdev, type)) == NULL)) 619 (void)printf(" %2d,%-2d", major(np->n_vattr.va_rdev), 620 minor(np->n_vattr.va_rdev)); 621 else 622 (void)printf(" %7s", name); 623 else 624 (void)printf(" %7qd", np->n_size); 625 return (0); 626} 627 628/* 629 * Given a pointer to a mount structure in kernel space, 630 * read it in and return a usable pointer to it. 631 */ 632struct mount * 633getmnt(struct mount *maddr) 634{ 635 static struct mtab { 636 struct mtab *next; 637 struct mount *maddr; 638 struct mount mount; 639 } *mhead = NULL; 640 struct mtab *mt; 641 642 for (mt = mhead; mt != NULL; mt = mt->next) 643 if (maddr == mt->maddr) 644 return (&mt->mount); 645 if ((mt = malloc(sizeof(struct mtab))) == NULL) 646 err(1, "malloc: mount table"); 647 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 648 mt->maddr = maddr; 649 mt->next = mhead; 650 mhead = mt; 651 return (&mt->mount); 652} 653 654void 655mount_print(struct mount *mp) 656{ 657 int flags; 658 659 (void)printf("*** MOUNT "); 660 (void)printf("%.*s %s on %s", MFSNAMELEN, 661 mp->mnt_stat.f_fstypename, mp->mnt_stat.f_mntfromname, 662 mp->mnt_stat.f_mntonname); 663 if ((flags = mp->mnt_flag)) { 664 char *comma = "("; 665 666 putchar(' '); 667 /* user visible flags */ 668 if (flags & MNT_RDONLY) { 669 (void)printf("%srdonly", comma); 670 flags &= ~MNT_RDONLY; 671 comma = ","; 672 } 673 if (flags & MNT_SYNCHRONOUS) { 674 (void)printf("%ssynchronous", comma); 675 flags &= ~MNT_SYNCHRONOUS; 676 comma = ","; 677 } 678 if (flags & MNT_NOEXEC) { 679 (void)printf("%snoexec", comma); 680 flags &= ~MNT_NOEXEC; 681 comma = ","; 682 } 683 if (flags & MNT_NOSUID) { 684 (void)printf("%snosuid", comma); 685 flags &= ~MNT_NOSUID; 686 comma = ","; 687 } 688 if (flags & MNT_NODEV) { 689 (void)printf("%snodev", comma); 690 flags &= ~MNT_NODEV; 691 comma = ","; 692 } 693 if (flags & MNT_ASYNC) { 694 (void)printf("%sasync", comma); 695 flags &= ~MNT_ASYNC; 696 comma = ","; 697 } 698 if (flags & MNT_EXRDONLY) { 699 (void)printf("%sexrdonly", comma); 700 flags &= ~MNT_EXRDONLY; 701 comma = ","; 702 } 703 if (flags & MNT_EXPORTED) { 704 (void)printf("%sexport", comma); 705 flags &= ~MNT_EXPORTED; 706 comma = ","; 707 } 708 if (flags & MNT_DEFEXPORTED) { 709 (void)printf("%sdefdexported", comma); 710 flags &= ~MNT_DEFEXPORTED; 711 comma = ","; 712 } 713 if (flags & MNT_EXPORTANON) { 714 (void)printf("%sexportanon", comma); 715 flags &= ~MNT_EXPORTANON; 716 comma = ","; 717 } 718 if (flags & MNT_EXKERB) { 719 (void)printf("%sexkerb", comma); 720 flags &= ~MNT_EXKERB; 721 comma = ","; 722 } 723 if (flags & MNT_LOCAL) { 724 (void)printf("%slocal", comma); 725 flags &= ~MNT_LOCAL; 726 comma = ","; 727 } 728 if (flags & MNT_QUOTA) { 729 (void)printf("%squota", comma); 730 flags &= ~MNT_QUOTA; 731 comma = ","; 732 } 733 if (flags & MNT_ROOTFS) { 734 (void)printf("%srootfs", comma); 735 flags &= ~MNT_ROOTFS; 736 comma = ","; 737 } 738 if (flags & MNT_NOATIME) { 739 (void)printf("%snoatime", comma); 740 flags &= ~MNT_NOATIME; 741 comma = ","; 742 } 743 /* filesystem control flags */ 744 if (flags & MNT_UPDATE) { 745 (void)printf("%supdate", comma); 746 flags &= ~MNT_UPDATE; 747 comma = ","; 748 } 749 if (flags & MNT_DELEXPORT) { 750 (void)printf("%sdelexport", comma); 751 flags &= ~MNT_DELEXPORT; 752 comma = ","; 753 } 754 if (flags & MNT_RELOAD) { 755 (void)printf("%sreload", comma); 756 flags &= ~MNT_RELOAD; 757 comma = ","; 758 } 759 if (flags & MNT_FORCE) { 760 (void)printf("%sforce", comma); 761 flags &= ~MNT_FORCE; 762 comma = ","; 763 } 764 if (flags & MNT_WANTRDWR) { 765 (void)printf("%swantrdwr", comma); 766 flags &= ~MNT_WANTRDWR; 767 comma = ","; 768 } 769 if (flags & MNT_SOFTDEP) { 770 (void)printf("%ssoftdep", comma); 771 flags &= ~MNT_SOFTDEP; 772 comma = ","; 773 } 774 if (flags) 775 (void)printf("%sunknown_flags:%x", comma, flags); 776 (void)printf(")"); 777 } 778 (void)printf("\n"); 779} 780 781struct e_vnode * 782loadvnodes(int *avnodes) 783{ 784 int mib[2]; 785 size_t copysize; 786 struct e_vnode *vnodebase; 787 788 if (memf != NULL) { 789 /* 790 * do it by hand 791 */ 792 return (kinfo_vnodes(avnodes)); 793 } 794 mib[0] = CTL_KERN; 795 mib[1] = KERN_VNODE; 796 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 797 err(1, "sysctl: KERN_VNODE"); 798 if ((vnodebase = malloc(copysize)) == NULL) 799 err(1, "malloc: vnode table"); 800 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 801 err(1, "sysctl: KERN_VNODE"); 802 if (copysize % sizeof(struct e_vnode)) 803 errx(1, "vnode size mismatch"); 804 *avnodes = copysize / sizeof(struct e_vnode); 805 806 return (vnodebase); 807} 808 809/* 810 * simulate what a running kernel does in kinfo_vnode 811 */ 812struct e_vnode * 813kinfo_vnodes(int *avnodes) 814{ 815 struct mntlist kvm_mountlist; 816 struct mount *mp, mount; 817 struct vnode *vp, vnode; 818 char *vbuf, *evbuf, *bp; 819 int mib[2], numvnodes; 820 size_t num; 821 822 if (kd == 0) { 823 mib[0] = CTL_KERN; 824 mib[1] = KERN_NUMVNODES; 825 num = sizeof(numvnodes); 826 if (sysctl(mib, 2, &numvnodes, &num, NULL, 0) < 0) 827 err(1, "sysctl(KERN_NUMVNODES) failed"); 828 } else 829 KGET(V_NUMV, numvnodes); 830 if ((vbuf = calloc(numvnodes + 20, 831 sizeof(struct vnode *) + sizeof(struct vnode))) == NULL) 832 err(1, "malloc: vnode buffer"); 833 bp = vbuf; 834 evbuf = vbuf + (numvnodes + 20) * 835 (sizeof(struct vnode *) + sizeof(struct vnode)); 836 KGET(V_MOUNTLIST, kvm_mountlist); 837 for (num = 0, mp = CIRCLEQ_FIRST(&kvm_mountlist); ; 838 mp = CIRCLEQ_NEXT(&mount, mnt_list)) { 839 KGET2(mp, &mount, sizeof(mount), "mount entry"); 840 for (vp = LIST_FIRST(&mount.mnt_vnodelist); 841 vp != NULL; vp = LIST_NEXT(&vnode, v_mntvnodes)) { 842 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 843 if ((bp + sizeof(struct vnode *) + 844 sizeof(struct vnode)) > evbuf) 845 /* XXX - should realloc */ 846 errx(1, "no more room for vnodes"); 847 memmove(bp, &vp, sizeof(struct vnode *)); 848 bp += sizeof(struct vnode *); 849 memmove(bp, &vnode, sizeof(struct vnode)); 850 bp += sizeof(struct vnode); 851 num++; 852 } 853 if (mp == CIRCLEQ_LAST(&kvm_mountlist)) 854 break; 855 } 856 *avnodes = num; 857 return ((struct e_vnode *)vbuf); 858} 859 860const char hdr[] = 861" LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 862 863void 864tty2itty(struct tty *tp, struct itty *itp) 865{ 866 itp->t_dev = tp->t_dev; 867 itp->t_rawq_c_cc = tp->t_rawq.c_cc; 868 itp->t_canq_c_cc = tp->t_canq.c_cc; 869 itp->t_outq_c_cc = tp->t_outq.c_cc; 870 itp->t_hiwat = tp->t_hiwat; 871 itp->t_lowat = tp->t_lowat; 872 itp->t_column = tp->t_column; 873 itp->t_state = tp->t_state; 874 itp->t_session = tp->t_session; 875 if (tp->t_pgrp != NULL) 876 KGET2(&tp->t_pgrp->pg_id, &itp->t_pgrp_pg_id, sizeof(pid_t), "pgid"); 877 itp->t_line = tp->t_line; 878} 879 880void 881ttymode(void) 882{ 883 struct ttylist_head tty_head; 884 struct tty *tp, tty; 885 int mib[3], ntty, i; 886 struct itty itty, *itp; 887 size_t nlen; 888 889 if (kd == 0) { 890 mib[0] = CTL_KERN; 891 mib[1] = KERN_TTYCOUNT; 892 nlen = sizeof(ntty); 893 if (sysctl(mib, 2, &ntty, &nlen, NULL, 0) < 0) 894 err(1, "sysctl(KERN_TTYCOUNT) failed"); 895 } else 896 KGET(TTY_NTTY, ntty); 897 (void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s"); 898 (void)printf("%s", hdr); 899 if (kd == 0) { 900 mib[0] = CTL_KERN; 901 mib[1] = KERN_TTY; 902 mib[2] = KERN_TTY_INFO; 903 nlen = ntty * sizeof(struct itty); 904 if ((itp = malloc(nlen)) == NULL) 905 err(1, "malloc"); 906 if (sysctl(mib, 3, itp, &nlen, NULL, 0) < 0) 907 err(1, "sysctl(KERN_TTY_INFO) failed"); 908 for (i = 0; i < ntty; i++) 909 ttyprt(&itp[i]); 910 free(itp); 911 } else { 912 KGET(TTY_TTYLIST, tty_head); 913 for (tp = TAILQ_FIRST(&tty_head); tp; 914 tp = TAILQ_NEXT(&tty, tty_link)) { 915 KGET2(tp, &tty, sizeof tty, "tty struct"); 916 tty2itty(&tty, &itty); 917 ttyprt(&itty); 918 } 919 } 920} 921 922struct { 923 int flag; 924 char val; 925} ttystates[] = { 926 { TS_WOPEN, 'W'}, 927 { TS_ISOPEN, 'O'}, 928 { TS_CARR_ON, 'C'}, 929 { TS_TIMEOUT, 'T'}, 930 { TS_FLUSH, 'F'}, 931 { TS_BUSY, 'B'}, 932 { TS_ASLEEP, 'A'}, 933 { TS_XCLUDE, 'X'}, 934 { TS_TTSTOP, 'S'}, 935 { TS_TBLOCK, 'K'}, 936 { TS_ASYNC, 'Y'}, 937 { TS_BKSL, 'D'}, 938 { TS_ERASE, 'E'}, 939 { TS_LNCH, 'L'}, 940 { TS_TYPEN, 'P'}, 941 { TS_CNTTB, 'N'}, 942 { 0, '\0'}, 943}; 944 945void 946ttyprt(struct itty *tp) 947{ 948 char *name, state[20]; 949 int i, j; 950 951 if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL) 952 (void)printf("%2d,%-3d ", major(tp->t_dev), minor(tp->t_dev)); 953 else 954 (void)printf("%7s ", name); 955 (void)printf("%3d %4d ", tp->t_rawq_c_cc, tp->t_canq_c_cc); 956 (void)printf("%4d %4d %3d %6d ", tp->t_outq_c_cc, 957 tp->t_hiwat, tp->t_lowat, tp->t_column); 958 for (i = j = 0; ttystates[i].flag; i++) 959 if (tp->t_state&ttystates[i].flag) 960 state[j++] = ttystates[i].val; 961 if (j == 0) 962 state[j++] = '-'; 963 state[j] = '\0'; 964 (void)printf("%-6s %8lx", state, (u_long)tp->t_session & ~KERNBASE); 965 (void)printf("%6d ", tp->t_pgrp_pg_id); 966 switch (tp->t_line) { 967 case TTYDISC: 968 (void)printf("term\n"); 969 break; 970 case TABLDISC: 971 (void)printf("tab\n"); 972 break; 973 case SLIPDISC: 974 (void)printf("slip\n"); 975 break; 976 case PPPDISC: 977 (void)printf("ppp\n"); 978 break; 979 case STRIPDISC: 980 (void)printf("strip\n"); 981 break; 982 case NMEADISC: 983 (void)printf("nmea\n"); 984 break; 985 default: 986 (void)printf("%d\n", tp->t_line); 987 break; 988 } 989} 990 991void 992filemode(void) 993{ 994 struct file fp, *ffp, *addr; 995 char *buf, flagbuf[16], *fbp; 996 static char *dtypes[] = { "???", "inode", "socket" }; 997 int mib[2], maxfile, nfile; 998 size_t len; 999 1000 if (kd == 0) { 1001 mib[0] = CTL_KERN; 1002 mib[1] = KERN_MAXFILES; 1003 len = sizeof(maxfile); 1004 if (sysctl(mib, 2, &maxfile, &len, NULL, 0) < 0) 1005 err(1, "sysctl(KERN_MAXFILES) failed"); 1006 if (totalflag) { 1007 mib[0] = CTL_KERN; 1008 mib[1] = KERN_NFILES; 1009 len = sizeof(nfile); 1010 if (sysctl(mib, 2, &nfile, &len, NULL, 0) < 0) 1011 err(1, "sysctl(KERN_NFILES) failed"); 1012 } 1013 } else { 1014 KGET(FNL_MAXFILE, maxfile); 1015 if (totalflag) { 1016 KGET(FNL_NFILE, nfile); 1017 (void)printf("%3d/%3d files\n", nfile, maxfile); 1018 return; 1019 } 1020 } 1021 1022 if (getfiles(&buf, &len) == -1) 1023 return; 1024 /* 1025 * Getfiles returns in malloc'd memory a pointer to the first file 1026 * structure, and then an array of file structs (whose addresses are 1027 * derivable from the previous entry). 1028 */ 1029 addr = LIST_FIRST((struct filelist *)buf); 1030 ffp = (struct file *)(buf + sizeof(struct filelist)); 1031 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 1032 1033 (void)printf("%d/%d open files\n", nfile, maxfile); 1034 1035 (void)printf("%*s TYPE FLG CNT MSG %*s OFFSET\n", 1036 2 * sizeof(long), "LOC", 2 * sizeof(long), "DATA"); 1037 for (; (char *)ffp < buf + len; addr = LIST_NEXT(ffp, f_list), ffp++) { 1038 memmove(&fp, ffp, sizeof fp); 1039 if ((unsigned)fp.f_type > DTYPE_SOCKET) 1040 continue; 1041 (void)printf("%0*lx ", 2 * sizeof(long), (long)addr); 1042 (void)printf("%-8.8s", dtypes[fp.f_type]); 1043 fbp = flagbuf; 1044 if (fp.f_flag & FREAD) 1045 *fbp++ = 'R'; 1046 if (fp.f_flag & FWRITE) 1047 *fbp++ = 'W'; 1048 if (fp.f_flag & FAPPEND) 1049 *fbp++ = 'A'; 1050 if (fp.f_flag & FHASLOCK) 1051 *fbp++ = 'L'; 1052 if (fp.f_flag & FASYNC) 1053 *fbp++ = 'I'; 1054 *fbp = '\0'; 1055 (void)printf("%6s %3ld", flagbuf, fp.f_count); 1056 (void)printf(" %3ld", fp.f_msgcount); 1057 (void)printf(" %0*lx", 2 * sizeof(long), (long)fp.f_data); 1058 1059 if (fp.f_offset < 0) 1060 (void)printf(" %llx\n", (long long)fp.f_offset); 1061 else 1062 (void)printf(" %lld\n", (long long)fp.f_offset); 1063 } 1064 free(buf); 1065} 1066 1067int 1068getfiles(char **abuf, size_t *alen) 1069{ 1070 size_t len; 1071 int mib[2]; 1072 char *buf; 1073 1074 /* 1075 * XXX 1076 * Add emulation of KINFO_FILE here. 1077 */ 1078 if (memf != NULL) 1079 errx(1, "files on dead kernel, not implemented"); 1080 1081 mib[0] = CTL_KERN; 1082 mib[1] = KERN_FILE; 1083 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 1084 warn("sysctl: KERN_FILE"); 1085 return (-1); 1086 } 1087 if ((buf = malloc(len)) == NULL) 1088 err(1, "malloc: KERN_FILE"); 1089 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 1090 warn("sysctl: KERN_FILE"); 1091 free(buf); 1092 return (-1); 1093 } 1094 *abuf = buf; 1095 *alen = len; 1096 return (0); 1097} 1098 1099/* 1100 * swapmode is based on a program called swapinfo written 1101 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 1102 */ 1103void 1104swapmode(void) 1105{ 1106 char *header; 1107 int hlen = 10, nswap; 1108 int bdiv, i, avail, nfree, npfree, used; 1109 long blocksize; 1110 struct swapent *swdev; 1111 1112 if (kflag) { 1113 header = "1K-blocks"; 1114 blocksize = 1024; 1115 hlen = strlen(header); 1116 } else 1117 header = getbsize(&hlen, &blocksize); 1118 1119 nswap = swapctl(SWAP_NSWAP, 0, 0); 1120 if (nswap == 0) { 1121 if (!totalflag) 1122 (void)printf("%-11s %*s %8s %8s %8s %s\n", 1123 "Device", hlen, header, 1124 "Used", "Avail", "Capacity", "Priority"); 1125 (void)printf("%-11s %*d %8d %8d %5.0f%%\n", 1126 "Total", hlen, 0, 0, 0, 0.0); 1127 return; 1128 } 1129 if ((swdev = calloc(nswap, sizeof(*swdev))) == NULL) 1130 err(1, "malloc"); 1131 if (swapctl(SWAP_STATS, swdev, nswap) == -1) 1132 err(1, "swapctl"); 1133 1134 if (!totalflag) 1135 (void)printf("%-11s %*s %8s %8s %8s %s\n", 1136 "Device", hlen, header, 1137 "Used", "Avail", "Capacity", "Priority"); 1138 1139 /* Run through swap list, doing the funky monkey. */ 1140 bdiv = blocksize / DEV_BSIZE; 1141 avail = nfree = npfree = 0; 1142 for (i = 0; i < nswap; i++) { 1143 int xsize, xfree; 1144 1145 if (!(swdev[i].se_flags & SWF_ENABLE)) 1146 continue; 1147 1148 if (!totalflag) { 1149 if (usenumflag) 1150 (void)printf("%2d,%-2d %*d ", 1151 major(swdev[i].se_dev), 1152 minor(swdev[i].se_dev), 1153 hlen, swdev[i].se_nblks / bdiv); 1154 else 1155 (void)printf("%-11s %*d ", swdev[i].se_path, 1156 hlen, swdev[i].se_nblks / bdiv); 1157 } 1158 1159 xsize = swdev[i].se_nblks; 1160 used = swdev[i].se_inuse; 1161 xfree = xsize - used; 1162 nfree += (xsize - used); 1163 npfree++; 1164 avail += xsize; 1165 if (totalflag) 1166 continue; 1167 (void)printf("%8d %8d %5.0f%% %d\n", 1168 used / bdiv, xfree / bdiv, 1169 (double)used / (double)xsize * 100.0, 1170 swdev[i].se_priority); 1171 } 1172 free(swdev); 1173 1174 /* 1175 * If only one partition has been set up via swapon(8), we don't 1176 * need to bother with totals. 1177 */ 1178 used = avail - nfree; 1179 if (totalflag) { 1180 (void)printf("%dM/%dM swap space\n", 1181 used / (1048576 / DEV_BSIZE), 1182 avail / (1048576 / DEV_BSIZE)); 1183 return; 1184 } 1185 if (npfree > 1) { 1186 (void)printf("%-11s %*d %8d %8d %5.0f%%\n", 1187 "Total", hlen, avail / bdiv, used / bdiv, nfree / bdiv, 1188 (double)used / (double)avail * 100.0); 1189 } 1190} 1191 1192void 1193usage(void) 1194{ 1195 (void)fprintf(stderr, 1196 "usage: pstat [-fknsTtv] [-d format] [-M core] [-N system] [symbols ...]\n"); 1197 exit(1); 1198} 1199