fstat.c revision 1.26
1 /* $NetBSD: fstat.c,v 1.26 1998/07/06 07:50:19 mrg 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 1.26 1998/07/06 07:50:19 mrg 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 94 #define TEXT -1 95 #define CDIR -2 96 #define RDIR -3 97 #define TRACE -4 98 99 typedef struct devs { 100 struct devs *next; 101 long fsid; 102 ino_t ino; 103 char *name; 104 } DEVS; 105 DEVS *devs; 106 107 struct filestat { 108 long fsid; 109 long fileid; 110 mode_t mode; 111 u_long size; 112 dev_t rdev; 113 }; 114 115 #ifdef notdef 116 struct nlist nl[] = { 117 { "" }, 118 }; 119 #endif 120 121 int fsflg, /* show files on same filesystem as file(s) argument */ 122 pflg, /* show files open by a particular pid */ 123 uflg; /* show files open by a particular (effective) user */ 124 int checkfile; /* true if restricting to particular files or filesystems */ 125 int nflg; /* (numerical) display f.s. and rdev as dev_t */ 126 int vflg; /* display errors in locating kernel data objects etc... */ 127 128 #define dprintf if (vflg) fprintf 129 130 struct file **ofiles; /* buffer of pointers to file structures */ 131 int maxfiles; 132 #define ALLOC_OFILES(d) \ 133 if ((d) > maxfiles) { \ 134 free(ofiles); \ 135 ofiles = malloc((d) * sizeof(struct file *)); \ 136 if (ofiles == NULL) { \ 137 fprintf(stderr, "fstat: %s\n", strerror(errno)); \ 138 exit(1); \ 139 } \ 140 maxfiles = (d); \ 141 } 142 143 /* 144 * a kvm_read that returns true if everything is read 145 */ 146 #define KVM_READ(kaddr, paddr, len) \ 147 (kvm_read(kd, (u_long)(kaddr), (char *)(paddr), (len)) == (len)) 148 149 kvm_t *kd; 150 151 void dofiles __P((struct kinfo_proc *)); 152 int ext2fs_filestat __P((struct vnode *, struct filestat *)); 153 int getfname __P((char *)); 154 void getinetproto __P((int)); 155 char *getmnton __P((struct mount *)); 156 int main __P((int, char **)); 157 int nfs_filestat __P((struct vnode *, struct filestat *)); 158 void socktrans __P((struct socket *, int)); 159 int ufs_filestat __P((struct vnode *, struct filestat *)); 160 void usage __P((void)); 161 void vtrans __P((struct vnode *, int, int)); 162 163 int 164 main(argc, argv) 165 int argc; 166 char **argv; 167 { 168 struct passwd *passwd; 169 struct kinfo_proc *p, *plast; 170 int arg, ch, what; 171 char *memf, *nlistf; 172 char buf[_POSIX2_LINE_MAX]; 173 int cnt; 174 gid_t egid = getegid(); 175 176 (void)setegid(getgid()); 177 arg = 0; 178 what = KERN_PROC_ALL; 179 nlistf = memf = NULL; 180 while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1) 181 switch((char)ch) { 182 case 'f': 183 fsflg = 1; 184 break; 185 case 'M': 186 memf = optarg; 187 break; 188 case 'N': 189 nlistf = optarg; 190 break; 191 case 'n': 192 nflg = 1; 193 break; 194 case 'p': 195 if (pflg++) 196 usage(); 197 if (!isdigit(*optarg)) { 198 fprintf(stderr, 199 "fstat: -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 fprintf(stderr, "%s: unknown uid\n", 210 optarg); 211 exit(1); 212 } 213 what = KERN_PROC_UID; 214 arg = passwd->pw_uid; 215 break; 216 case 'v': 217 vflg = 1; 218 break; 219 case '?': 220 default: 221 usage(); 222 } 223 224 if (*(argv += optind)) { 225 for (; *argv; ++argv) { 226 if (getfname(*argv)) 227 checkfile = 1; 228 } 229 if (!checkfile) /* file(s) specified, but none accessable */ 230 exit(1); 231 } 232 233 ALLOC_OFILES(256); /* reserve space for file pointers */ 234 235 if (fsflg && !checkfile) { 236 /* -f with no files means use wd */ 237 if (getfname(".") == 0) 238 exit(1); 239 checkfile = 1; 240 } 241 242 /* 243 * Discard setgid privileges. If not the running kernel, we toss 244 * them away totally so that bad guys can't print interesting stuff 245 * from kernel memory, otherwise switch back to kmem for the 246 * duration of the kvm_openfiles() call. 247 */ 248 if (nlistf != NULL || memf != NULL) 249 (void)setgid(getgid()); 250 else 251 (void)setegid(egid); 252 253 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 254 errx(1, "%s", buf); 255 256 /* get rid of it now anyway */ 257 if (nlistf == NULL && memf == NULL) 258 (void)setgid(getgid()); 259 260 #ifdef notdef 261 if (kvm_nlist(kd, nl) != 0) { 262 fprintf(stderr, "fstat: no namelist: %s\n", kvm_geterr(kd)); 263 exit(1); 264 } 265 #endif 266 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) { 267 fprintf(stderr, "fstat: %s\n", kvm_geterr(kd)); 268 exit(1); 269 } 270 if (nflg) 271 printf("%s", 272 "USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 273 else 274 printf("%s", 275 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 276 if (checkfile && fsflg == 0) 277 printf(" NAME\n"); 278 else 279 putchar('\n'); 280 281 for (plast = &p[cnt]; p < plast; ++p) { 282 if (p->kp_proc.p_stat == SZOMB) 283 continue; 284 dofiles(p); 285 } 286 exit(0); 287 } 288 289 char *Uname, *Comm; 290 int Pid; 291 292 #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 293 switch(i) { \ 294 case TEXT: \ 295 printf(" text"); \ 296 break; \ 297 case CDIR: \ 298 printf(" wd"); \ 299 break; \ 300 case RDIR: \ 301 printf(" root"); \ 302 break; \ 303 case TRACE: \ 304 printf(" tr"); \ 305 break; \ 306 default: \ 307 printf(" %4d", i); \ 308 break; \ 309 } 310 311 /* 312 * print open files attributed to this process 313 */ 314 void 315 dofiles(kp) 316 struct kinfo_proc *kp; 317 { 318 int i; 319 struct file file; 320 struct filedesc0 filed0; 321 #define filed filed0.fd_fd 322 struct proc *p = &kp->kp_proc; 323 struct eproc *ep = &kp->kp_eproc; 324 325 Uname = user_from_uid(ep->e_ucred.cr_uid, 0); 326 Pid = p->p_pid; 327 Comm = p->p_comm; 328 329 if (p->p_fd == NULL) 330 return; 331 if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { 332 dprintf(stderr, "can't read filedesc at %lx for pid %d\n", 333 (long)p->p_fd, Pid); 334 return; 335 } 336 if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles || 337 filed.fd_freefile > filed.fd_lastfile + 1) { 338 dprintf(stderr, "filedesc corrupted at %lx for pid %d\n", 339 (long)p->p_fd, Pid); 340 return; 341 } 342 /* 343 * root directory vnode, if one 344 */ 345 if (filed.fd_rdir) 346 vtrans(filed.fd_rdir, RDIR, FREAD); 347 /* 348 * current working directory vnode 349 */ 350 vtrans(filed.fd_cdir, CDIR, FREAD); 351 /* 352 * ktrace vnode, if one 353 */ 354 if (p->p_tracep) 355 vtrans(p->p_tracep, TRACE, FREAD|FWRITE); 356 /* 357 * open files 358 */ 359 #define FPSIZE (sizeof (struct file *)) 360 ALLOC_OFILES(filed.fd_lastfile+1); 361 if (filed.fd_nfiles > NDFILE) { 362 if (!KVM_READ(filed.fd_ofiles, ofiles, 363 (filed.fd_lastfile+1) * FPSIZE)) { 364 dprintf(stderr, 365 "can't read file structures at %lx for pid %d\n", 366 (long)filed.fd_ofiles, Pid); 367 return; 368 } 369 } else 370 memmove(ofiles, filed0.fd_dfiles, 371 (filed.fd_lastfile+1) * FPSIZE); 372 for (i = 0; i <= filed.fd_lastfile; i++) { 373 if (ofiles[i] == NULL) 374 continue; 375 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 376 dprintf(stderr, 377 "can't read file %d at %lx for pid %d\n", 378 i, (long)ofiles[i], Pid); 379 continue; 380 } 381 if (file.f_type == DTYPE_VNODE) 382 vtrans((struct vnode *)file.f_data, i, file.f_flag); 383 else if (file.f_type == DTYPE_SOCKET) { 384 if (checkfile == 0) 385 socktrans((struct socket *)file.f_data, i); 386 } 387 else { 388 dprintf(stderr, 389 "unknown file type %d for file %d of pid %d\n", 390 file.f_type, i, Pid); 391 } 392 } 393 } 394 395 void 396 vtrans(vp, i, flag) 397 struct vnode *vp; 398 int i; 399 int flag; 400 { 401 struct vnode vn; 402 struct filestat fst; 403 char mode[15]; 404 char *badtype = NULL, *filename; 405 406 filename = badtype = NULL; 407 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 408 dprintf(stderr, "can't read vnode at %lx for pid %d\n", 409 (long)vp, Pid); 410 return; 411 } 412 if (vn.v_type == VNON || vn.v_tag == VT_NON) 413 badtype = "none"; 414 else if (vn.v_type == VBAD) 415 badtype = "bad"; 416 else 417 switch (vn.v_tag) { 418 case VT_UFS: 419 if (!ufs_filestat(&vn, &fst)) 420 badtype = "error"; 421 break; 422 case VT_MFS: 423 if (!ufs_filestat(&vn, &fst)) 424 badtype = "error"; 425 break; 426 case VT_NFS: 427 if (!nfs_filestat(&vn, &fst)) 428 badtype = "error"; 429 break; 430 case VT_EXT2FS: 431 if (!ext2fs_filestat(&vn, &fst)) 432 badtype = "error"; 433 break; 434 default: { 435 static char unknown[10]; 436 (void)snprintf(badtype = unknown, sizeof unknown, 437 "?(%x)", vn.v_tag); 438 break;; 439 } 440 } 441 if (checkfile) { 442 int fsmatch = 0; 443 DEVS *d; 444 445 if (badtype) 446 return; 447 for (d = devs; d != NULL; d = d->next) 448 if (d->fsid == fst.fsid) { 449 fsmatch = 1; 450 if (d->ino == fst.fileid) { 451 filename = d->name; 452 break; 453 } 454 } 455 if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 456 return; 457 } 458 PREFIX(i); 459 if (badtype) { 460 (void)printf(" - - %10s -\n", badtype); 461 return; 462 } 463 if (nflg) 464 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 465 else 466 (void)printf(" %-8s", getmnton(vn.v_mount)); 467 if (nflg) 468 (void)snprintf(mode, sizeof mode, "%o", fst.mode); 469 else 470 strmode(fst.mode, mode); 471 (void)printf(" %6ld %10s", (long)fst.fileid, mode); 472 switch (vn.v_type) { 473 case VBLK: 474 case VCHR: { 475 char *name; 476 477 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 478 S_IFCHR : S_IFBLK)) == NULL)) 479 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 480 else 481 printf(" %6s", name); 482 break; 483 } 484 default: 485 printf(" %6ld", (long)fst.size); 486 } 487 putchar(' '); 488 if (flag & FREAD) 489 putchar('r'); 490 if (flag & FWRITE) 491 putchar('w'); 492 if (filename && !fsflg) 493 printf(" %s", filename); 494 putchar('\n'); 495 } 496 497 int 498 ufs_filestat(vp, fsp) 499 struct vnode *vp; 500 struct filestat *fsp; 501 { 502 struct inode inode; 503 504 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 505 dprintf(stderr, "can't read inode at %lx for pid %d\n", 506 (long)VTOI(vp), Pid); 507 return 0; 508 } 509 fsp->fsid = inode.i_dev & 0xffff; 510 fsp->fileid = (long)inode.i_number; 511 fsp->mode = (mode_t)inode.i_ffs_mode; 512 fsp->size = (u_long)inode.i_ffs_size; 513 fsp->rdev = inode.i_ffs_rdev; 514 515 return 1; 516 } 517 518 int 519 ext2fs_filestat(vp, fsp) 520 struct vnode *vp; 521 struct filestat *fsp; 522 { 523 struct inode inode; 524 525 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 526 dprintf(stderr, "can't read inode at %lx for pid %d\n", 527 (long)VTOI(vp), Pid); 528 return 0; 529 } 530 fsp->fsid = inode.i_dev & 0xffff; 531 fsp->fileid = (long)inode.i_number; 532 fsp->mode = (mode_t)inode.i_e2fs_mode; 533 fsp->size = (u_long)inode.i_e2fs_size; 534 fsp->rdev = 0; /* XXX */ 535 return 1; 536 } 537 538 int 539 nfs_filestat(vp, fsp) 540 struct vnode *vp; 541 struct filestat *fsp; 542 { 543 struct nfsnode nfsnode; 544 struct vattr va; 545 mode_t mode; 546 547 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 548 dprintf(stderr, "can't read nfsnode at 0x%lx for pid %d\n", 549 (u_long)VTONFS(vp), Pid); 550 return 0; 551 } 552 if (!KVM_READ(nfsnode.n_vattr, &va, sizeof(va))) { 553 dprintf(stderr, 554 "can't read vnode attributes at 0x%lx for pid %d\n", 555 (u_long)nfsnode.n_vattr, Pid); 556 return 0; 557 } 558 fsp->fsid = va.va_fsid; 559 fsp->fileid = va.va_fileid; 560 fsp->size = nfsnode.n_size; 561 fsp->rdev = va.va_rdev; 562 mode = (mode_t)va.va_mode; 563 switch (vp->v_type) { 564 case VREG: 565 mode |= S_IFREG; 566 break; 567 case VDIR: 568 mode |= S_IFDIR; 569 break; 570 case VBLK: 571 mode |= S_IFBLK; 572 break; 573 case VCHR: 574 mode |= S_IFCHR; 575 break; 576 case VLNK: 577 mode |= S_IFLNK; 578 break; 579 case VSOCK: 580 mode |= S_IFSOCK; 581 break; 582 case VFIFO: 583 mode |= S_IFIFO; 584 break; 585 default: 586 break; 587 }; 588 fsp->mode = mode; 589 590 return 1; 591 } 592 593 594 char * 595 getmnton(m) 596 struct mount *m; 597 { 598 static struct mount mount; 599 static struct mtab { 600 struct mtab *next; 601 struct mount *m; 602 char mntonname[MNAMELEN]; 603 } *mhead = NULL; 604 struct mtab *mt; 605 606 for (mt = mhead; mt != NULL; mt = mt->next) 607 if (m == mt->m) 608 return (mt->mntonname); 609 if (!KVM_READ(m, &mount, sizeof(struct mount))) { 610 fprintf(stderr, "can't read mount table at %lx\n", (long)m); 611 return (NULL); 612 } 613 if ((mt = malloc(sizeof (struct mtab))) == NULL) { 614 fprintf(stderr, "fstat: %s\n", strerror(errno)); 615 exit(1); 616 } 617 mt->m = m; 618 memmove(&mt->mntonname[0], &mount.mnt_stat.f_mntonname[0], MNAMELEN); 619 mt->next = mhead; 620 mhead = mt; 621 return (mt->mntonname); 622 } 623 624 void 625 socktrans(sock, i) 626 struct socket *sock; 627 int i; 628 { 629 static char *stypename[] = { 630 "unused", /* 0 */ 631 "stream", /* 1 */ 632 "dgram", /* 2 */ 633 "raw", /* 3 */ 634 "rdm", /* 4 */ 635 "seqpak" /* 5 */ 636 }; 637 #define STYPEMAX 5 638 struct socket so; 639 struct protosw proto; 640 struct domain dom; 641 struct inpcb inpcb; 642 struct unpcb unpcb; 643 int len; 644 char dname[32]; 645 646 PREFIX(i); 647 648 /* fill in socket */ 649 if (!KVM_READ(sock, &so, sizeof(struct socket))) { 650 dprintf(stderr, "can't read sock at %lx\n", (long)sock); 651 goto bad; 652 } 653 654 /* fill in protosw entry */ 655 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 656 dprintf(stderr, "can't read protosw at %lx", (long)so.so_proto); 657 goto bad; 658 } 659 660 /* fill in domain */ 661 if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 662 dprintf(stderr, "can't read domain at %lx\n", 663 (long)proto.pr_domain); 664 goto bad; 665 } 666 667 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 668 sizeof(dname) - 1)) != sizeof(dname) -1) { 669 dprintf(stderr, "can't read domain name at %lx\n", 670 (long)dom.dom_name); 671 dname[0] = '\0'; 672 } 673 else 674 dname[len] = '\0'; 675 676 if ((u_short)so.so_type > STYPEMAX) 677 printf("* %s ?%d", dname, so.so_type); 678 else 679 printf("* %s %s", dname, stypename[so.so_type]); 680 681 /* 682 * protocol specific formatting 683 * 684 * Try to find interesting things to print. For tcp, the interesting 685 * thing is the address of the tcpcb, for udp and others, just the 686 * inpcb (socket pcb). For unix domain, its the address of the socket 687 * pcb and the address of the connected pcb (if connected). Otherwise 688 * just print the protocol number and address of the socket itself. 689 * The idea is not to duplicate netstat, but to make available enough 690 * information for further analysis. 691 */ 692 switch(dom.dom_family) { 693 case AF_INET: 694 getinetproto(proto.pr_protocol); 695 if (proto.pr_protocol == IPPROTO_TCP ) { 696 if (so.so_pcb) { 697 if (kvm_read(kd, (u_long)so.so_pcb, 698 (char *)&inpcb, sizeof(struct inpcb)) 699 != sizeof(struct inpcb)) { 700 dprintf(stderr, 701 "can't read inpcb at %lx\n", 702 (long)so.so_pcb); 703 goto bad; 704 } 705 printf(" %lx", (long)inpcb.inp_ppcb); 706 } 707 } 708 else if (so.so_pcb) 709 printf(" %lx", (long)so.so_pcb); 710 break; 711 case AF_UNIX: 712 /* print address of pcb and connected pcb */ 713 if (so.so_pcb) { 714 printf(" %lx", (long)so.so_pcb); 715 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 716 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 717 dprintf(stderr, "can't read unpcb at %lx\n", 718 (long)so.so_pcb); 719 goto bad; 720 } 721 if (unpcb.unp_conn) { 722 char shoconn[4], *cp; 723 724 cp = shoconn; 725 if (!(so.so_state & SS_CANTRCVMORE)) 726 *cp++ = '<'; 727 *cp++ = '-'; 728 if (!(so.so_state & SS_CANTSENDMORE)) 729 *cp++ = '>'; 730 *cp = '\0'; 731 printf(" %s %lx", shoconn, 732 (long)unpcb.unp_conn); 733 } 734 } 735 break; 736 default: 737 /* print protocol number and socket address */ 738 printf(" %d %lx", proto.pr_protocol, (long)sock); 739 } 740 printf("\n"); 741 return; 742 bad: 743 printf("* error\n"); 744 } 745 746 /* 747 * getinetproto -- 748 * print name of protocol number 749 */ 750 void 751 getinetproto(number) 752 int number; 753 { 754 char *cp; 755 756 switch (number) { 757 case IPPROTO_IP: 758 cp = "ip"; break; 759 case IPPROTO_ICMP: 760 cp ="icmp"; break; 761 case IPPROTO_GGP: 762 cp ="ggp"; break; 763 case IPPROTO_TCP: 764 cp ="tcp"; break; 765 case IPPROTO_EGP: 766 cp ="egp"; break; 767 case IPPROTO_PUP: 768 cp ="pup"; break; 769 case IPPROTO_UDP: 770 cp ="udp"; break; 771 case IPPROTO_IDP: 772 cp ="idp"; break; 773 case IPPROTO_RAW: 774 cp ="raw"; break; 775 default: 776 printf(" %d", number); 777 return; 778 } 779 printf(" %s", cp); 780 } 781 782 int 783 getfname(filename) 784 char *filename; 785 { 786 struct stat statbuf; 787 DEVS *cur; 788 789 if (stat(filename, &statbuf)) { 790 fprintf(stderr, "fstat: %s: %s\n", filename, strerror(errno)); 791 return(0); 792 } 793 if ((cur = malloc(sizeof(DEVS))) == NULL) { 794 fprintf(stderr, "fstat: %s\n", strerror(errno)); 795 exit(1); 796 } 797 cur->next = devs; 798 devs = cur; 799 800 cur->ino = statbuf.st_ino; 801 cur->fsid = statbuf.st_dev & 0xffff; 802 cur->name = filename; 803 return(1); 804 } 805 806 void 807 usage() 808 { 809 810 (void)fprintf(stderr, 811 "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 812 exit(1); 813 } 814
Indexes created Wed Sep 24 05:09:52 GMT 2025