fstat.c revision 1.30
1 /* $NetBSD: fstat.c,v 1.30 1998/07/16 22:23:30 ross Exp $ */ 2 3 /*- 4 * Copyright (c) 1988, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1988, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)fstat.c 8.3 (Berkeley) 5/2/95"; 45 #else 46 __RCSID("$NetBSD: fstat.c,v 1.30 1998/07/16 22:23:30 ross Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/param.h> 51 #include <sys/time.h> 52 #include <sys/proc.h> 53 #include <sys/user.h> 54 #include <sys/stat.h> 55 #include <sys/vnode.h> 56 #include <sys/socket.h> 57 #include <sys/socketvar.h> 58 #include <sys/domain.h> 59 #include <sys/protosw.h> 60 #include <sys/unpcb.h> 61 #include <sys/sysctl.h> 62 #include <sys/filedesc.h> 63 #define _KERNEL 64 #include <sys/file.h> 65 #include <ufs/ufs/quota.h> 66 #include <ufs/ufs/inode.h> 67 #undef _KERNEL 68 #define NFS 69 #include <sys/mount.h> 70 #include <nfs/nfsproto.h> 71 #include <nfs/rpcv2.h> 72 #include <nfs/nfs.h> 73 #include <nfs/nfsnode.h> 74 #undef NFS 75 76 #include <net/route.h> 77 #include <netinet/in.h> 78 #include <netinet/in_systm.h> 79 #include <netinet/ip.h> 80 #include <netinet/in_pcb.h> 81 82 #include <ctype.h> 83 #include <errno.h> 84 #include <kvm.h> 85 #include <limits.h> 86 #include <nlist.h> 87 #include <paths.h> 88 #include <pwd.h> 89 #include <stdio.h> 90 #include <stdlib.h> 91 #include <string.h> 92 #include <unistd.h> 93 #include <err.h> 94 95 #define TEXT -1 96 #define CDIR -2 97 #define RDIR -3 98 #define TRACE -4 99 100 typedef struct devs { 101 struct devs *next; 102 long fsid; 103 ino_t ino; 104 char *name; 105 } DEVS; 106 DEVS *devs; 107 108 struct filestat { 109 long fsid; 110 long fileid; 111 mode_t mode; 112 u_long size; 113 dev_t rdev; 114 }; 115 116 #ifdef notdef 117 struct nlist nl[] = { 118 { "" }, 119 }; 120 #endif 121 122 int fsflg, /* show files on same filesystem as file(s) argument */ 123 pflg, /* show files open by a particular pid */ 124 uflg; /* show files open by a particular (effective) user */ 125 int checkfile; /* true if restricting to particular files or filesystems */ 126 int nflg; /* (numerical) display f.s. and rdev as dev_t */ 127 int vflg; /* display errors in locating kernel data objects etc... */ 128 129 #define dprintf if (vflg) fprintf 130 131 struct file **ofiles; /* buffer of pointers to file structures */ 132 int maxfiles; 133 #define ALLOC_OFILES(d) \ 134 if ((d) > maxfiles) { \ 135 free(ofiles); \ 136 ofiles = malloc((d) * sizeof(struct file *)); \ 137 if (ofiles == NULL) { \ 138 err(1, "malloc(%u)", (d) * \ 139 (unsigned int)sizeof(struct file *)); \ 140 } \ 141 maxfiles = (d); \ 142 } 143 144 /* 145 * a kvm_read that returns true if everything is read 146 */ 147 #define KVM_READ(kaddr, paddr, len) \ 148 (kvm_read(kd, (u_long)(kaddr), (char *)(paddr), (len)) == (len)) 149 150 kvm_t *kd; 151 152 void dofiles __P((struct kinfo_proc *)); 153 int ext2fs_filestat __P((struct vnode *, struct filestat *)); 154 int getfname __P((char *)); 155 void getinetproto __P((int)); 156 char *getmnton __P((struct mount *)); 157 int main __P((int, char **)); 158 int nfs_filestat __P((struct vnode *, struct filestat *)); 159 void socktrans __P((struct socket *, int)); 160 int ufs_filestat __P((struct vnode *, struct filestat *)); 161 void usage __P((void)); 162 void vtrans __P((struct vnode *, int, int)); 163 164 int 165 main(argc, argv) 166 int argc; 167 char **argv; 168 { 169 struct passwd *passwd; 170 struct kinfo_proc *p, *plast; 171 int arg, ch, what; 172 char *memf, *nlistf; 173 char buf[_POSIX2_LINE_MAX]; 174 int cnt; 175 gid_t egid = getegid(); 176 177 (void)setegid(getgid()); 178 arg = 0; 179 what = KERN_PROC_ALL; 180 nlistf = memf = NULL; 181 while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1) 182 switch((char)ch) { 183 case 'f': 184 fsflg = 1; 185 break; 186 case 'M': 187 memf = optarg; 188 break; 189 case 'N': 190 nlistf = optarg; 191 break; 192 case 'n': 193 nflg = 1; 194 break; 195 case 'p': 196 if (pflg++) 197 usage(); 198 if (!isdigit(*optarg)) { 199 warnx("-p requires a process id\n"); 200 usage(); 201 } 202 what = KERN_PROC_PID; 203 arg = atoi(optarg); 204 break; 205 case 'u': 206 if (uflg++) 207 usage(); 208 if (!(passwd = getpwnam(optarg))) { 209 errx(1, "%s: unknown uid\n", optarg); 210 } 211 what = KERN_PROC_UID; 212 arg = passwd->pw_uid; 213 break; 214 case 'v': 215 vflg = 1; 216 break; 217 case '?': 218 default: 219 usage(); 220 } 221 222 if (*(argv += optind)) { 223 for (; *argv; ++argv) { 224 if (getfname(*argv)) 225 checkfile = 1; 226 } 227 if (!checkfile) /* file(s) specified, but none accessable */ 228 exit(1); 229 } 230 231 ALLOC_OFILES(256); /* reserve space for file pointers */ 232 233 if (fsflg && !checkfile) { 234 /* -f with no files means use wd */ 235 if (getfname(".") == 0) 236 exit(1); 237 checkfile = 1; 238 } 239 240 /* 241 * Discard setgid privileges. If not the running kernel, we toss 242 * them away totally so that bad guys can't print interesting stuff 243 * from kernel memory, otherwise switch back to kmem for the 244 * duration of the kvm_openfiles() call. 245 */ 246 if (nlistf != NULL || memf != NULL) 247 (void)setgid(getgid()); 248 else 249 (void)setegid(egid); 250 251 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 252 errx(1, "%s", buf); 253 254 /* get rid of it now anyway */ 255 if (nlistf == NULL && memf == NULL) 256 (void)setgid(getgid()); 257 258 #ifdef notdef 259 if (kvm_nlist(kd, nl) != 0) { 260 errx(1, "no namelist: %s\n", kvm_geterr(kd)); 261 } 262 #endif 263 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) { 264 errx(1, "%s\n", kvm_geterr(kd)); 265 } 266 if (nflg) 267 printf("%s", 268 "USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 269 else 270 printf("%s", 271 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 272 if (checkfile && fsflg == 0) 273 printf(" NAME\n"); 274 else 275 putchar('\n'); 276 277 for (plast = &p[cnt]; p < plast; ++p) { 278 if (p->kp_proc.p_stat == SZOMB) 279 continue; 280 dofiles(p); 281 } 282 exit(0); 283 } 284 285 char *Uname, *Comm; 286 int Pid; 287 288 #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 289 switch(i) { \ 290 case TEXT: \ 291 printf(" text"); \ 292 break; \ 293 case CDIR: \ 294 printf(" wd"); \ 295 break; \ 296 case RDIR: \ 297 printf(" root"); \ 298 break; \ 299 case TRACE: \ 300 printf(" tr"); \ 301 break; \ 302 default: \ 303 printf(" %4d", i); \ 304 break; \ 305 } 306 307 /* 308 * print open files attributed to this process 309 */ 310 void 311 dofiles(kp) 312 struct kinfo_proc *kp; 313 { 314 int i; 315 struct file file; 316 struct filedesc0 filed0; 317 #define filed filed0.fd_fd 318 struct proc *p = &kp->kp_proc; 319 struct eproc *ep = &kp->kp_eproc; 320 321 Uname = user_from_uid(ep->e_ucred.cr_uid, 0); 322 Pid = p->p_pid; 323 Comm = p->p_comm; 324 325 if (p->p_fd == NULL) 326 return; 327 if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { 328 dprintf(stderr, "can't read filedesc at %lx for pid %d\n", 329 (long)p->p_fd, Pid); 330 return; 331 } 332 if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles || 333 filed.fd_freefile > filed.fd_lastfile + 1) { 334 dprintf(stderr, "filedesc corrupted at %lx for pid %d\n", 335 (long)p->p_fd, Pid); 336 return; 337 } 338 /* 339 * root directory vnode, if one 340 */ 341 if (filed.fd_rdir) 342 vtrans(filed.fd_rdir, RDIR, FREAD); 343 /* 344 * current working directory vnode 345 */ 346 vtrans(filed.fd_cdir, CDIR, FREAD); 347 /* 348 * ktrace vnode, if one 349 */ 350 if (p->p_tracep) 351 vtrans(p->p_tracep, TRACE, FREAD|FWRITE); 352 /* 353 * open files 354 */ 355 #define FPSIZE (sizeof (struct file *)) 356 ALLOC_OFILES(filed.fd_lastfile+1); 357 if (filed.fd_nfiles > NDFILE) { 358 if (!KVM_READ(filed.fd_ofiles, ofiles, 359 (filed.fd_lastfile+1) * FPSIZE)) { 360 dprintf(stderr, 361 "can't read file structures at %lx for pid %d\n", 362 (long)filed.fd_ofiles, Pid); 363 return; 364 } 365 } else 366 memmove(ofiles, filed0.fd_dfiles, 367 (filed.fd_lastfile+1) * FPSIZE); 368 for (i = 0; i <= filed.fd_lastfile; i++) { 369 if (ofiles[i] == NULL) 370 continue; 371 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 372 dprintf(stderr, 373 "can't read file %d at %lx for pid %d\n", 374 i, (long)ofiles[i], Pid); 375 continue; 376 } 377 if (file.f_type == DTYPE_VNODE) 378 vtrans((struct vnode *)file.f_data, i, file.f_flag); 379 else if (file.f_type == DTYPE_SOCKET) { 380 if (checkfile == 0) 381 socktrans((struct socket *)file.f_data, i); 382 } 383 else { 384 dprintf(stderr, 385 "unknown file type %d for file %d of pid %d\n", 386 file.f_type, i, Pid); 387 } 388 } 389 } 390 391 void 392 vtrans(vp, i, flag) 393 struct vnode *vp; 394 int i; 395 int flag; 396 { 397 struct vnode vn; 398 struct filestat fst; 399 char mode[15]; 400 char *badtype = NULL, *filename; 401 402 filename = badtype = NULL; 403 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 404 dprintf(stderr, "can't read vnode at %lx for pid %d\n", 405 (long)vp, Pid); 406 return; 407 } 408 if (vn.v_type == VNON || vn.v_tag == VT_NON) 409 badtype = "none"; 410 else if (vn.v_type == VBAD) 411 badtype = "bad"; 412 else 413 switch (vn.v_tag) { 414 case VT_UFS: 415 if (!ufs_filestat(&vn, &fst)) 416 badtype = "error"; 417 break; 418 case VT_MFS: 419 if (!ufs_filestat(&vn, &fst)) 420 badtype = "error"; 421 break; 422 case VT_NFS: 423 if (!nfs_filestat(&vn, &fst)) 424 badtype = "error"; 425 break; 426 case VT_EXT2FS: 427 if (!ext2fs_filestat(&vn, &fst)) 428 badtype = "error"; 429 break; 430 default: { 431 static char unknown[10]; 432 (void)snprintf(badtype = unknown, sizeof unknown, 433 "?(%x)", vn.v_tag); 434 break;; 435 } 436 } 437 if (checkfile) { 438 int fsmatch = 0; 439 DEVS *d; 440 441 if (badtype) 442 return; 443 for (d = devs; d != NULL; d = d->next) 444 if (d->fsid == fst.fsid) { 445 fsmatch = 1; 446 if (d->ino == fst.fileid) { 447 filename = d->name; 448 break; 449 } 450 } 451 if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 452 return; 453 } 454 PREFIX(i); 455 if (badtype) { 456 (void)printf(" - - %10s -\n", badtype); 457 return; 458 } 459 if (nflg) 460 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 461 else 462 (void)printf(" %-8s", getmnton(vn.v_mount)); 463 if (nflg) 464 (void)snprintf(mode, sizeof mode, "%o", fst.mode); 465 else 466 strmode(fst.mode, mode); 467 (void)printf(" %6ld %10s", (long)fst.fileid, mode); 468 switch (vn.v_type) { 469 case VBLK: 470 case VCHR: { 471 char *name; 472 473 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 474 S_IFCHR : S_IFBLK)) == NULL)) 475 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 476 else 477 printf(" %6s", name); 478 break; 479 } 480 default: 481 printf(" %6ld", (long)fst.size); 482 } 483 putchar(' '); 484 if (flag & FREAD) 485 putchar('r'); 486 if (flag & FWRITE) 487 putchar('w'); 488 if (filename && !fsflg) 489 printf(" %s", filename); 490 putchar('\n'); 491 } 492 493 int 494 ufs_filestat(vp, fsp) 495 struct vnode *vp; 496 struct filestat *fsp; 497 { 498 struct inode inode; 499 500 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 501 dprintf(stderr, "can't read inode at %lx for pid %d\n", 502 (long)VTOI(vp), Pid); 503 return 0; 504 } 505 fsp->fsid = inode.i_dev & 0xffff; 506 fsp->fileid = (long)inode.i_number; 507 fsp->mode = (mode_t)inode.i_ffs_mode; 508 fsp->size = (u_long)inode.i_ffs_size; 509 fsp->rdev = inode.i_ffs_rdev; 510 511 return 1; 512 } 513 514 int 515 ext2fs_filestat(vp, fsp) 516 struct vnode *vp; 517 struct filestat *fsp; 518 { 519 struct inode inode; 520 521 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 522 dprintf(stderr, "can't read inode at %lx for pid %d\n", 523 (long)VTOI(vp), Pid); 524 return 0; 525 } 526 fsp->fsid = inode.i_dev & 0xffff; 527 fsp->fileid = (long)inode.i_number; 528 fsp->mode = (mode_t)inode.i_e2fs_mode; 529 fsp->size = (u_long)inode.i_e2fs_size; 530 fsp->rdev = 0; /* XXX */ 531 return 1; 532 } 533 534 int 535 nfs_filestat(vp, fsp) 536 struct vnode *vp; 537 struct filestat *fsp; 538 { 539 struct nfsnode nfsnode; 540 struct vattr va; 541 mode_t mode; 542 543 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 544 dprintf(stderr, "can't read nfsnode at 0x%lx for pid %d\n", 545 (u_long)VTONFS(vp), Pid); 546 return 0; 547 } 548 if (!KVM_READ(nfsnode.n_vattr, &va, sizeof(va))) { 549 dprintf(stderr, 550 "can't read vnode attributes at 0x%lx for pid %d\n", 551 (u_long)nfsnode.n_vattr, Pid); 552 return 0; 553 } 554 fsp->fsid = va.va_fsid; 555 fsp->fileid = va.va_fileid; 556 fsp->size = nfsnode.n_size; 557 fsp->rdev = va.va_rdev; 558 mode = (mode_t)va.va_mode; 559 switch (vp->v_type) { 560 case VREG: 561 mode |= S_IFREG; 562 break; 563 case VDIR: 564 mode |= S_IFDIR; 565 break; 566 case VBLK: 567 mode |= S_IFBLK; 568 break; 569 case VCHR: 570 mode |= S_IFCHR; 571 break; 572 case VLNK: 573 mode |= S_IFLNK; 574 break; 575 case VSOCK: 576 mode |= S_IFSOCK; 577 break; 578 case VFIFO: 579 mode |= S_IFIFO; 580 break; 581 default: 582 break; 583 }; 584 fsp->mode = mode; 585 586 return 1; 587 } 588 589 590 char * 591 getmnton(m) 592 struct mount *m; 593 { 594 static struct mount mount; 595 static struct mtab { 596 struct mtab *next; 597 struct mount *m; 598 char mntonname[MNAMELEN]; 599 } *mhead = NULL; 600 struct mtab *mt; 601 602 for (mt = mhead; mt != NULL; mt = mt->next) 603 if (m == mt->m) 604 return (mt->mntonname); 605 if (!KVM_READ(m, &mount, sizeof(struct mount))) { 606 warnx("can't read mount table at %lx\n", (long)m); 607 return (NULL); 608 } 609 if ((mt = malloc(sizeof (struct mtab))) == NULL) { 610 err(1, "malloc(%u)", (unsigned int)sizeof(struct mtab)); 611 } 612 mt->m = m; 613 memmove(&mt->mntonname[0], &mount.mnt_stat.f_mntonname[0], MNAMELEN); 614 mt->next = mhead; 615 mhead = mt; 616 return (mt->mntonname); 617 } 618 619 void 620 socktrans(sock, i) 621 struct socket *sock; 622 int i; 623 { 624 static char *stypename[] = { 625 "unused", /* 0 */ 626 "stream", /* 1 */ 627 "dgram", /* 2 */ 628 "raw", /* 3 */ 629 "rdm", /* 4 */ 630 "seqpak" /* 5 */ 631 }; 632 #define STYPEMAX 5 633 struct socket so; 634 struct protosw proto; 635 struct domain dom; 636 struct inpcb inpcb; 637 struct unpcb unpcb; 638 int len; 639 char dname[32]; 640 641 PREFIX(i); 642 643 /* fill in socket */ 644 if (!KVM_READ(sock, &so, sizeof(struct socket))) { 645 dprintf(stderr, "can't read sock at %lx\n", (long)sock); 646 goto bad; 647 } 648 649 /* fill in protosw entry */ 650 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 651 dprintf(stderr, "can't read protosw at %lx", (long)so.so_proto); 652 goto bad; 653 } 654 655 /* fill in domain */ 656 if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 657 dprintf(stderr, "can't read domain at %lx\n", 658 (long)proto.pr_domain); 659 goto bad; 660 } 661 662 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 663 sizeof(dname) - 1)) != sizeof(dname) -1) { 664 dprintf(stderr, "can't read domain name at %lx\n", 665 (long)dom.dom_name); 666 dname[0] = '\0'; 667 } 668 else 669 dname[len] = '\0'; 670 671 if ((u_short)so.so_type > STYPEMAX) 672 printf("* %s ?%d", dname, so.so_type); 673 else 674 printf("* %s %s", dname, stypename[so.so_type]); 675 676 /* 677 * protocol specific formatting 678 * 679 * Try to find interesting things to print. For tcp, the interesting 680 * thing is the address of the tcpcb, for udp and others, just the 681 * inpcb (socket pcb). For unix domain, its the address of the socket 682 * pcb and the address of the connected pcb (if connected). Otherwise 683 * just print the protocol number and address of the socket itself. 684 * The idea is not to duplicate netstat, but to make available enough 685 * information for further analysis. 686 */ 687 switch(dom.dom_family) { 688 case AF_INET: 689 getinetproto(proto.pr_protocol); 690 if (proto.pr_protocol == IPPROTO_TCP ) { 691 if (so.so_pcb) { 692 if (kvm_read(kd, (u_long)so.so_pcb, 693 (char *)&inpcb, sizeof(struct inpcb)) 694 != sizeof(struct inpcb)) { 695 dprintf(stderr, 696 "can't read inpcb at %lx\n", 697 (long)so.so_pcb); 698 goto bad; 699 } 700 printf(" %lx", (long)inpcb.inp_ppcb); 701 } 702 } 703 else if (so.so_pcb) 704 printf(" %lx", (long)so.so_pcb); 705 break; 706 case AF_UNIX: 707 /* print address of pcb and connected pcb */ 708 if (so.so_pcb) { 709 printf(" %lx", (long)so.so_pcb); 710 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 711 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 712 dprintf(stderr, "can't read unpcb at %lx\n", 713 (long)so.so_pcb); 714 goto bad; 715 } 716 if (unpcb.unp_conn) { 717 char shoconn[4], *cp; 718 719 cp = shoconn; 720 if (!(so.so_state & SS_CANTRCVMORE)) 721 *cp++ = '<'; 722 *cp++ = '-'; 723 if (!(so.so_state & SS_CANTSENDMORE)) 724 *cp++ = '>'; 725 *cp = '\0'; 726 printf(" %s %lx", shoconn, 727 (long)unpcb.unp_conn); 728 } 729 } 730 break; 731 default: 732 /* print protocol number and socket address */ 733 printf(" %d %lx", proto.pr_protocol, (long)sock); 734 } 735 printf("\n"); 736 return; 737 bad: 738 printf("* error\n"); 739 } 740 741 /* 742 * getinetproto -- 743 * print name of protocol number 744 */ 745 void 746 getinetproto(number) 747 int number; 748 { 749 char *cp; 750 751 switch (number) { 752 case IPPROTO_IP: 753 cp = "ip"; break; 754 case IPPROTO_ICMP: 755 cp ="icmp"; break; 756 case IPPROTO_GGP: 757 cp ="ggp"; break; 758 case IPPROTO_TCP: 759 cp ="tcp"; break; 760 case IPPROTO_EGP: 761 cp ="egp"; break; 762 case IPPROTO_PUP: 763 cp ="pup"; break; 764 case IPPROTO_UDP: 765 cp ="udp"; break; 766 case IPPROTO_IDP: 767 cp ="idp"; break; 768 case IPPROTO_RAW: 769 cp ="raw"; break; 770 default: 771 printf(" %d", number); 772 return; 773 } 774 printf(" %s", cp); 775 } 776 777 int 778 getfname(filename) 779 char *filename; 780 { 781 struct stat statbuf; 782 DEVS *cur; 783 784 if (stat(filename, &statbuf)) { 785 warn("stat(%s)", filename); 786 return(0); 787 } 788 if ((cur = malloc(sizeof(DEVS))) == NULL) { 789 err(1, "malloc(%u)", (unsigned int)sizeof(DEVS)); 790 } 791 cur->next = devs; 792 devs = cur; 793 794 cur->ino = statbuf.st_ino; 795 cur->fsid = statbuf.st_dev & 0xffff; 796 cur->name = filename; 797 return(1); 798 } 799 800 void 801 usage() 802 { 803 errx(1, 804 "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 805 } 806
Indexes created Tue Sep 23 07:09:52 GMT 2025