fstat.c revision 1.27
1 /* $NetBSD: fstat.c,v 1.27 1998/07/06 21:23:40 fair 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 1.27 1998/07/06 21:23:40 fair 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 fprintf(stderr, "fstat: %s\n", strerror(errno)); \ 139 exit(1); \ 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 fprintf(stderr, 200 "fstat: -p requires a process id\n"); 201 usage(); 202 } 203 what = KERN_PROC_PID; 204 arg = atoi(optarg); 205 break; 206 case 'u': 207 if (uflg++) 208 usage(); 209 if (!(passwd = getpwnam(optarg))) { 210 fprintf(stderr, "%s: unknown uid\n", 211 optarg); 212 exit(1); 213 } 214 what = KERN_PROC_UID; 215 arg = passwd->pw_uid; 216 break; 217 case 'v': 218 vflg = 1; 219 break; 220 case '?': 221 default: 222 usage(); 223 } 224 225 if (*(argv += optind)) { 226 for (; *argv; ++argv) { 227 if (getfname(*argv)) 228 checkfile = 1; 229 } 230 if (!checkfile) /* file(s) specified, but none accessable */ 231 exit(1); 232 } 233 234 ALLOC_OFILES(256); /* reserve space for file pointers */ 235 236 if (fsflg && !checkfile) { 237 /* -f with no files means use wd */ 238 if (getfname(".") == 0) 239 exit(1); 240 checkfile = 1; 241 } 242 243 /* 244 * Discard setgid privileges. If not the running kernel, we toss 245 * them away totally so that bad guys can't print interesting stuff 246 * from kernel memory, otherwise switch back to kmem for the 247 * duration of the kvm_openfiles() call. 248 */ 249 if (nlistf != NULL || memf != NULL) 250 (void)setgid(getgid()); 251 else 252 (void)setegid(egid); 253 254 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 255 errx(1, "%s", buf); 256 257 /* get rid of it now anyway */ 258 if (nlistf == NULL && memf == NULL) 259 (void)setgid(getgid()); 260 261 #ifdef notdef 262 if (kvm_nlist(kd, nl) != 0) { 263 fprintf(stderr, "fstat: no namelist: %s\n", kvm_geterr(kd)); 264 exit(1); 265 } 266 #endif 267 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) { 268 fprintf(stderr, "fstat: %s\n", kvm_geterr(kd)); 269 exit(1); 270 } 271 if (nflg) 272 printf("%s", 273 "USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 274 else 275 printf("%s", 276 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 277 if (checkfile && fsflg == 0) 278 printf(" NAME\n"); 279 else 280 putchar('\n'); 281 282 for (plast = &p[cnt]; p < plast; ++p) { 283 if (p->kp_proc.p_stat == SZOMB) 284 continue; 285 dofiles(p); 286 } 287 exit(0); 288 } 289 290 char *Uname, *Comm; 291 int Pid; 292 293 #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 294 switch(i) { \ 295 case TEXT: \ 296 printf(" text"); \ 297 break; \ 298 case CDIR: \ 299 printf(" wd"); \ 300 break; \ 301 case RDIR: \ 302 printf(" root"); \ 303 break; \ 304 case TRACE: \ 305 printf(" tr"); \ 306 break; \ 307 default: \ 308 printf(" %4d", i); \ 309 break; \ 310 } 311 312 /* 313 * print open files attributed to this process 314 */ 315 void 316 dofiles(kp) 317 struct kinfo_proc *kp; 318 { 319 int i; 320 struct file file; 321 struct filedesc0 filed0; 322 #define filed filed0.fd_fd 323 struct proc *p = &kp->kp_proc; 324 struct eproc *ep = &kp->kp_eproc; 325 326 Uname = user_from_uid(ep->e_ucred.cr_uid, 0); 327 Pid = p->p_pid; 328 Comm = p->p_comm; 329 330 if (p->p_fd == NULL) 331 return; 332 if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { 333 dprintf(stderr, "can't read filedesc at %lx for pid %d\n", 334 (long)p->p_fd, Pid); 335 return; 336 } 337 if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles || 338 filed.fd_freefile > filed.fd_lastfile + 1) { 339 dprintf(stderr, "filedesc corrupted at %lx for pid %d\n", 340 (long)p->p_fd, Pid); 341 return; 342 } 343 /* 344 * root directory vnode, if one 345 */ 346 if (filed.fd_rdir) 347 vtrans(filed.fd_rdir, RDIR, FREAD); 348 /* 349 * current working directory vnode 350 */ 351 vtrans(filed.fd_cdir, CDIR, FREAD); 352 /* 353 * ktrace vnode, if one 354 */ 355 if (p->p_tracep) 356 vtrans(p->p_tracep, TRACE, FREAD|FWRITE); 357 /* 358 * open files 359 */ 360 #define FPSIZE (sizeof (struct file *)) 361 ALLOC_OFILES(filed.fd_lastfile+1); 362 if (filed.fd_nfiles > NDFILE) { 363 if (!KVM_READ(filed.fd_ofiles, ofiles, 364 (filed.fd_lastfile+1) * FPSIZE)) { 365 dprintf(stderr, 366 "can't read file structures at %lx for pid %d\n", 367 (long)filed.fd_ofiles, Pid); 368 return; 369 } 370 } else 371 memmove(ofiles, filed0.fd_dfiles, 372 (filed.fd_lastfile+1) * FPSIZE); 373 for (i = 0; i <= filed.fd_lastfile; i++) { 374 if (ofiles[i] == NULL) 375 continue; 376 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 377 dprintf(stderr, 378 "can't read file %d at %lx for pid %d\n", 379 i, (long)ofiles[i], Pid); 380 continue; 381 } 382 if (file.f_type == DTYPE_VNODE) 383 vtrans((struct vnode *)file.f_data, i, file.f_flag); 384 else if (file.f_type == DTYPE_SOCKET) { 385 if (checkfile == 0) 386 socktrans((struct socket *)file.f_data, i); 387 } 388 else { 389 dprintf(stderr, 390 "unknown file type %d for file %d of pid %d\n", 391 file.f_type, i, Pid); 392 } 393 } 394 } 395 396 void 397 vtrans(vp, i, flag) 398 struct vnode *vp; 399 int i; 400 int flag; 401 { 402 struct vnode vn; 403 struct filestat fst; 404 char mode[15]; 405 char *badtype = NULL, *filename; 406 407 filename = badtype = NULL; 408 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 409 dprintf(stderr, "can't read vnode at %lx for pid %d\n", 410 (long)vp, Pid); 411 return; 412 } 413 if (vn.v_type == VNON || vn.v_tag == VT_NON) 414 badtype = "none"; 415 else if (vn.v_type == VBAD) 416 badtype = "bad"; 417 else 418 switch (vn.v_tag) { 419 case VT_UFS: 420 if (!ufs_filestat(&vn, &fst)) 421 badtype = "error"; 422 break; 423 case VT_MFS: 424 if (!ufs_filestat(&vn, &fst)) 425 badtype = "error"; 426 break; 427 case VT_NFS: 428 if (!nfs_filestat(&vn, &fst)) 429 badtype = "error"; 430 break; 431 case VT_EXT2FS: 432 if (!ext2fs_filestat(&vn, &fst)) 433 badtype = "error"; 434 break; 435 default: { 436 static char unknown[10]; 437 (void)snprintf(badtype = unknown, sizeof unknown, 438 "?(%x)", vn.v_tag); 439 break;; 440 } 441 } 442 if (checkfile) { 443 int fsmatch = 0; 444 DEVS *d; 445 446 if (badtype) 447 return; 448 for (d = devs; d != NULL; d = d->next) 449 if (d->fsid == fst.fsid) { 450 fsmatch = 1; 451 if (d->ino == fst.fileid) { 452 filename = d->name; 453 break; 454 } 455 } 456 if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 457 return; 458 } 459 PREFIX(i); 460 if (badtype) { 461 (void)printf(" - - %10s -\n", badtype); 462 return; 463 } 464 if (nflg) 465 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 466 else 467 (void)printf(" %-8s", getmnton(vn.v_mount)); 468 if (nflg) 469 (void)snprintf(mode, sizeof mode, "%o", fst.mode); 470 else 471 strmode(fst.mode, mode); 472 (void)printf(" %6ld %10s", (long)fst.fileid, mode); 473 switch (vn.v_type) { 474 case VBLK: 475 case VCHR: { 476 char *name; 477 478 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 479 S_IFCHR : S_IFBLK)) == NULL)) 480 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 481 else 482 printf(" %6s", name); 483 break; 484 } 485 default: 486 printf(" %6ld", (long)fst.size); 487 } 488 putchar(' '); 489 if (flag & FREAD) 490 putchar('r'); 491 if (flag & FWRITE) 492 putchar('w'); 493 if (filename && !fsflg) 494 printf(" %s", filename); 495 putchar('\n'); 496 } 497 498 int 499 ufs_filestat(vp, fsp) 500 struct vnode *vp; 501 struct filestat *fsp; 502 { 503 struct inode inode; 504 505 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 506 dprintf(stderr, "can't read inode at %lx for pid %d\n", 507 (long)VTOI(vp), Pid); 508 return 0; 509 } 510 fsp->fsid = inode.i_dev & 0xffff; 511 fsp->fileid = (long)inode.i_number; 512 fsp->mode = (mode_t)inode.i_ffs_mode; 513 fsp->size = (u_long)inode.i_ffs_size; 514 fsp->rdev = inode.i_ffs_rdev; 515 516 return 1; 517 } 518 519 int 520 ext2fs_filestat(vp, fsp) 521 struct vnode *vp; 522 struct filestat *fsp; 523 { 524 struct inode inode; 525 526 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 527 dprintf(stderr, "can't read inode at %lx for pid %d\n", 528 (long)VTOI(vp), Pid); 529 return 0; 530 } 531 fsp->fsid = inode.i_dev & 0xffff; 532 fsp->fileid = (long)inode.i_number; 533 fsp->mode = (mode_t)inode.i_e2fs_mode; 534 fsp->size = (u_long)inode.i_e2fs_size; 535 fsp->rdev = 0; /* XXX */ 536 return 1; 537 } 538 539 int 540 nfs_filestat(vp, fsp) 541 struct vnode *vp; 542 struct filestat *fsp; 543 { 544 struct nfsnode nfsnode; 545 struct vattr va; 546 mode_t mode; 547 548 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 549 dprintf(stderr, "can't read nfsnode at 0x%lx for pid %d\n", 550 (u_long)VTONFS(vp), Pid); 551 return 0; 552 } 553 if (!KVM_READ(nfsnode.n_vattr, &va, sizeof(va))) { 554 dprintf(stderr, 555 "can't read vnode attributes at 0x%lx for pid %d\n", 556 (u_long)nfsnode.n_vattr, Pid); 557 return 0; 558 } 559 fsp->fsid = va.va_fsid; 560 fsp->fileid = va.va_fileid; 561 fsp->size = nfsnode.n_size; 562 fsp->rdev = va.va_rdev; 563 mode = (mode_t)va.va_mode; 564 switch (vp->v_type) { 565 case VREG: 566 mode |= S_IFREG; 567 break; 568 case VDIR: 569 mode |= S_IFDIR; 570 break; 571 case VBLK: 572 mode |= S_IFBLK; 573 break; 574 case VCHR: 575 mode |= S_IFCHR; 576 break; 577 case VLNK: 578 mode |= S_IFLNK; 579 break; 580 case VSOCK: 581 mode |= S_IFSOCK; 582 break; 583 case VFIFO: 584 mode |= S_IFIFO; 585 break; 586 default: 587 break; 588 }; 589 fsp->mode = mode; 590 591 return 1; 592 } 593 594 595 char * 596 getmnton(m) 597 struct mount *m; 598 { 599 static struct mount mount; 600 static struct mtab { 601 struct mtab *next; 602 struct mount *m; 603 char mntonname[MNAMELEN]; 604 } *mhead = NULL; 605 struct mtab *mt; 606 607 for (mt = mhead; mt != NULL; mt = mt->next) 608 if (m == mt->m) 609 return (mt->mntonname); 610 if (!KVM_READ(m, &mount, sizeof(struct mount))) { 611 fprintf(stderr, "can't read mount table at %lx\n", (long)m); 612 return (NULL); 613 } 614 if ((mt = malloc(sizeof (struct mtab))) == NULL) { 615 fprintf(stderr, "fstat: %s\n", strerror(errno)); 616 exit(1); 617 } 618 mt->m = m; 619 memmove(&mt->mntonname[0], &mount.mnt_stat.f_mntonname[0], MNAMELEN); 620 mt->next = mhead; 621 mhead = mt; 622 return (mt->mntonname); 623 } 624 625 void 626 socktrans(sock, i) 627 struct socket *sock; 628 int i; 629 { 630 static char *stypename[] = { 631 "unused", /* 0 */ 632 "stream", /* 1 */ 633 "dgram", /* 2 */ 634 "raw", /* 3 */ 635 "rdm", /* 4 */ 636 "seqpak" /* 5 */ 637 }; 638 #define STYPEMAX 5 639 struct socket so; 640 struct protosw proto; 641 struct domain dom; 642 struct inpcb inpcb; 643 struct unpcb unpcb; 644 int len; 645 char dname[32]; 646 647 PREFIX(i); 648 649 /* fill in socket */ 650 if (!KVM_READ(sock, &so, sizeof(struct socket))) { 651 dprintf(stderr, "can't read sock at %lx\n", (long)sock); 652 goto bad; 653 } 654 655 /* fill in protosw entry */ 656 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 657 dprintf(stderr, "can't read protosw at %lx", (long)so.so_proto); 658 goto bad; 659 } 660 661 /* fill in domain */ 662 if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 663 dprintf(stderr, "can't read domain at %lx\n", 664 (long)proto.pr_domain); 665 goto bad; 666 } 667 668 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 669 sizeof(dname) - 1)) != sizeof(dname) -1) { 670 dprintf(stderr, "can't read domain name at %lx\n", 671 (long)dom.dom_name); 672 dname[0] = '\0'; 673 } 674 else 675 dname[len] = '\0'; 676 677 if ((u_short)so.so_type > STYPEMAX) 678 printf("* %s ?%d", dname, so.so_type); 679 else 680 printf("* %s %s", dname, stypename[so.so_type]); 681 682 /* 683 * protocol specific formatting 684 * 685 * Try to find interesting things to print. For tcp, the interesting 686 * thing is the address of the tcpcb, for udp and others, just the 687 * inpcb (socket pcb). For unix domain, its the address of the socket 688 * pcb and the address of the connected pcb (if connected). Otherwise 689 * just print the protocol number and address of the socket itself. 690 * The idea is not to duplicate netstat, but to make available enough 691 * information for further analysis. 692 */ 693 switch(dom.dom_family) { 694 case AF_INET: 695 getinetproto(proto.pr_protocol); 696 if (proto.pr_protocol == IPPROTO_TCP ) { 697 if (so.so_pcb) { 698 if (kvm_read(kd, (u_long)so.so_pcb, 699 (char *)&inpcb, sizeof(struct inpcb)) 700 != sizeof(struct inpcb)) { 701 dprintf(stderr, 702 "can't read inpcb at %lx\n", 703 (long)so.so_pcb); 704 goto bad; 705 } 706 printf(" %lx", (long)inpcb.inp_ppcb); 707 } 708 } 709 else if (so.so_pcb) 710 printf(" %lx", (long)so.so_pcb); 711 break; 712 case AF_UNIX: 713 /* print address of pcb and connected pcb */ 714 if (so.so_pcb) { 715 printf(" %lx", (long)so.so_pcb); 716 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 717 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 718 dprintf(stderr, "can't read unpcb at %lx\n", 719 (long)so.so_pcb); 720 goto bad; 721 } 722 if (unpcb.unp_conn) { 723 char shoconn[4], *cp; 724 725 cp = shoconn; 726 if (!(so.so_state & SS_CANTRCVMORE)) 727 *cp++ = '<'; 728 *cp++ = '-'; 729 if (!(so.so_state & SS_CANTSENDMORE)) 730 *cp++ = '>'; 731 *cp = '\0'; 732 printf(" %s %lx", shoconn, 733 (long)unpcb.unp_conn); 734 } 735 } 736 break; 737 default: 738 /* print protocol number and socket address */ 739 printf(" %d %lx", proto.pr_protocol, (long)sock); 740 } 741 printf("\n"); 742 return; 743 bad: 744 printf("* error\n"); 745 } 746 747 /* 748 * getinetproto -- 749 * print name of protocol number 750 */ 751 void 752 getinetproto(number) 753 int number; 754 { 755 char *cp; 756 757 switch (number) { 758 case IPPROTO_IP: 759 cp = "ip"; break; 760 case IPPROTO_ICMP: 761 cp ="icmp"; break; 762 case IPPROTO_GGP: 763 cp ="ggp"; break; 764 case IPPROTO_TCP: 765 cp ="tcp"; break; 766 case IPPROTO_EGP: 767 cp ="egp"; break; 768 case IPPROTO_PUP: 769 cp ="pup"; break; 770 case IPPROTO_UDP: 771 cp ="udp"; break; 772 case IPPROTO_IDP: 773 cp ="idp"; break; 774 case IPPROTO_RAW: 775 cp ="raw"; break; 776 default: 777 printf(" %d", number); 778 return; 779 } 780 printf(" %s", cp); 781 } 782 783 int 784 getfname(filename) 785 char *filename; 786 { 787 struct stat statbuf; 788 DEVS *cur; 789 790 if (stat(filename, &statbuf)) { 791 fprintf(stderr, "fstat: %s: %s\n", filename, strerror(errno)); 792 return(0); 793 } 794 if ((cur = malloc(sizeof(DEVS))) == NULL) { 795 fprintf(stderr, "fstat: %s\n", strerror(errno)); 796 exit(1); 797 } 798 cur->next = devs; 799 devs = cur; 800 801 cur->ino = statbuf.st_ino; 802 cur->fsid = statbuf.st_dev & 0xffff; 803 cur->name = filename; 804 return(1); 805 } 806 807 void 808 usage() 809 { 810 811 (void)fprintf(stderr, 812 "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 813 exit(1); 814 } 815
Indexes created Thu Sep 25 02:09:54 GMT 2025