1 /*- 2 * Copyright (c) 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char copyright[] = 36 "@(#) Copyright (c) 1988, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 static char sccsid[] = "@(#)fstat.c 8.1 (Berkeley) 6/6/93"; 42 #endif /* not lint */ 43 44 #include <sys/param.h> 45 #include <sys/time.h> 46 #include <sys/proc.h> 47 #include <sys/user.h> 48 #include <sys/stat.h> 49 #include <sys/vnode.h> 50 #include <sys/socket.h> 51 #include <sys/socketvar.h> 52 #include <sys/domain.h> 53 #include <sys/protosw.h> 54 #include <sys/unpcb.h> 55 #include <sys/sysctl.h> 56 #include <sys/filedesc.h> 57 #include <sys/queue.h> 58 #include <sys/pipe.h> 59 #define KERNEL 60 #include <sys/file.h> 61 #include <ufs/ufs/quota.h> 62 #include <ufs/ufs/inode.h> 63 #undef KERNEL 64 #define NFS 65 #include <sys/mount.h> 66 #include <nfs/nfsproto.h> 67 #include <nfs/rpcv2.h> 68 #include <nfs/nfs.h> 69 #include <nfs/nfsnode.h> 70 #undef NFS 71 72 #include <net/route.h> 73 #include <netinet/in.h> 74 #include <netinet/in_systm.h> 75 #include <netinet/ip.h> 76 #include <netinet/in_pcb.h> 77 78 #include <ctype.h> 79 #include <errno.h> 80 #include <kvm.h> 81 #include <nlist.h> 82 #include <paths.h> 83 #include <pwd.h> 84 #include <stdio.h> 85 #include <stdlib.h> 86 #include <string.h> 87 88 #define TEXT -1 89 #define CDIR -2 90 #define RDIR -3 91 #define TRACE -4 92 93 typedef struct devs { 94 struct devs *next; 95 long fsid; 96 ino_t ino; 97 char *name; 98 } DEVS; 99 DEVS *devs; 100 101 struct filestat { 102 long fsid; 103 long fileid; 104 mode_t mode; 105 u_long size; 106 dev_t rdev; 107 }; 108 109 #ifdef notdef 110 struct nlist nl[] = { 111 { "" }, 112 }; 113 #endif 114 115 int fsflg, /* show files on same filesystem as file(s) argument */ 116 pflg, /* show files open by a particular pid */ 117 uflg; /* show files open by a particular (effective) user */ 118 int checkfile; /* true if restricting to particular files or filesystems */ 119 int nflg; /* (numerical) display f.s. and rdev as dev_t */ 120 int vflg; /* display errors in locating kernel data objects etc... */ 121 122 #define dprintf if (vflg) fprintf 123 124 struct file **ofiles; /* buffer of pointers to file structures */ 125 int maxfiles; 126 #define ALLOC_OFILES(d) \ 127 if ((d) > maxfiles) { \ 128 free(ofiles); \ 129 ofiles = malloc((d) * sizeof(struct file *)); \ 130 if (ofiles == NULL) { \ 131 fprintf(stderr, "fstat: %s\n", strerror(errno)); \ 132 exit(1); \ 133 } \ 134 maxfiles = (d); \ 135 } 136 137 /* 138 * a kvm_read that returns true if everything is read 139 */ 140 #define KVM_READ(kaddr, paddr, len) \ 141 (kvm_read(kd, (u_long)(kaddr), (char *)(paddr), (len)) == (len)) 142 143 kvm_t *kd; 144 145 void dofiles __P((struct kinfo_proc *kp)); 146 void vtrans __P((struct vnode *vp, int i, int flag)); 147 int ufs_filestat __P((struct vnode *vp, struct filestat *fsp)); 148 int nfs_filestat __P((struct vnode *vp, struct filestat *fsp)); 149 char *getmnton __P((struct mount *m)); 150 void pipetrans __P((struct pipe *pi, int i, int flag)); 151 void socktrans __P((struct socket *sock, int i)); 152 void getinetproto __P((int number)); 153 int getfname __P((char *filename)); 154 void usage __P((void)); 155 156 157 int 158 main(argc, argv) 159 int argc; 160 char **argv; 161 { 162 register struct passwd *passwd; 163 struct kinfo_proc *p, *plast; 164 int arg, ch, what; 165 char *memf, *nlistf; 166 int cnt; 167 168 arg = 0; 169 what = KERN_PROC_ALL; 170 nlistf = memf = NULL; 171 while ((ch = getopt(argc, argv, "fnp:u:vNM")) != EOF) 172 switch((char)ch) { 173 case 'f': 174 fsflg = 1; 175 break; 176 case 'M': 177 memf = optarg; 178 break; 179 case 'N': 180 nlistf = optarg; 181 break; 182 case 'n': 183 nflg = 1; 184 break; 185 case 'p': 186 if (pflg++) 187 usage(); 188 if (!isdigit(*optarg)) { 189 fprintf(stderr, 190 "fstat: -p requires a process id\n"); 191 usage(); 192 } 193 what = KERN_PROC_PID; 194 arg = atoi(optarg); 195 break; 196 case 'u': 197 if (uflg++) 198 usage(); 199 if (!(passwd = getpwnam(optarg))) { 200 fprintf(stderr, "%s: unknown uid\n", 201 optarg); 202 exit(1); 203 } 204 what = KERN_PROC_UID; 205 arg = passwd->pw_uid; 206 break; 207 case 'v': 208 vflg = 1; 209 break; 210 case '?': 211 default: 212 usage(); 213 } 214 215 if (*(argv += optind)) { 216 for (; *argv; ++argv) { 217 if (getfname(*argv)) 218 checkfile = 1; 219 } 220 if (!checkfile) /* file(s) specified, but none accessable */ 221 exit(1); 222 } 223 224 ALLOC_OFILES(256); /* reserve space for file pointers */ 225 226 if (fsflg && !checkfile) { 227 /* -f with no files means use wd */ 228 if (getfname(".") == 0) 229 exit(1); 230 checkfile = 1; 231 } 232 233 /* 234 * Discard setgid privileges if not the running kernel so that bad 235 * guys can't print interesting stuff from kernel memory. 236 */ 237 if (nlistf != NULL || memf != NULL) 238 setgid(getgid()); 239 240 if ((kd = kvm_open(nlistf, memf, NULL, O_RDONLY, NULL)) == NULL) { 241 fprintf(stderr, "fstat: %s\n", kvm_geterr(kd)); 242 exit(1); 243 } 244 #ifdef notdef 245 if (kvm_nlist(kd, nl) != 0) { 246 fprintf(stderr, "fstat: no namelist: %s\n", kvm_geterr(kd)); 247 exit(1); 248 } 249 #endif 250 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) { 251 fprintf(stderr, "fstat: %s\n", kvm_geterr(kd)); 252 exit(1); 253 } 254 if (nflg) 255 printf("%s", 256 "USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 257 else 258 printf("%s", 259 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 260 if (checkfile && fsflg == 0) 261 printf(" NAME\n"); 262 else 263 putchar('\n'); 264 265 for (plast = &p[cnt]; p < plast; ++p) { 266 if (p->kp_proc.p_stat == SZOMB) 267 continue; 268 dofiles(p); 269 } 270 exit(0); 271 } 272 273 char *Uname, *Comm; 274 int Pid; 275 276 #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 277 switch(i) { \ 278 case TEXT: \ 279 printf(" text"); \ 280 break; \ 281 case CDIR: \ 282 printf(" wd"); \ 283 break; \ 284 case RDIR: \ 285 printf(" root"); \ 286 break; \ 287 case TRACE: \ 288 printf(" tr"); \ 289 break; \ 290 default: \ 291 printf(" %4d", i); \ 292 break; \ 293 } 294 295 /* 296 * print open files attributed to this process 297 */ 298 void 299 dofiles(kp) 300 struct kinfo_proc *kp; 301 { 302 int i, last; 303 struct file file; 304 struct filedesc0 filed0; 305 #define filed filed0.fd_fd 306 struct proc *p = &kp->kp_proc; 307 struct eproc *ep = &kp->kp_eproc; 308 309 Uname = user_from_uid(ep->e_ucred.cr_uid, 0); 310 Pid = p->p_pid; 311 Comm = p->p_comm; 312 313 if (p->p_fd == NULL) 314 return; 315 if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { 316 dprintf(stderr, "can't read filedesc at %x for pid %d\n", 317 p->p_fd, Pid); 318 return; 319 } 320 /* 321 * root directory vnode, if one 322 */ 323 if (filed.fd_rdir) 324 vtrans(filed.fd_rdir, RDIR, FREAD); 325 /* 326 * current working directory vnode 327 */ 328 vtrans(filed.fd_cdir, CDIR, FREAD); 329 /* 330 * ktrace vnode, if one 331 */ 332 if (p->p_tracep) 333 vtrans(p->p_tracep, TRACE, FREAD|FWRITE); 334 /* 335 * text vnode, if one 336 */ 337 if (p->p_textvp) 338 vtrans(p->p_textvp, TEXT, FREAD); 339 /* 340 * open files 341 */ 342 #define FPSIZE (sizeof (struct file *)) 343 ALLOC_OFILES(filed.fd_lastfile+1); 344 if (filed.fd_nfiles > NDFILE) { 345 if (!KVM_READ(filed.fd_ofiles, ofiles, 346 (filed.fd_lastfile+1) * FPSIZE)) { 347 dprintf(stderr, 348 "can't read file structures at %x for pid %d\n", 349 filed.fd_ofiles, Pid); 350 return; 351 } 352 } else 353 bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE); 354 for (i = 0; i <= filed.fd_lastfile; i++) { 355 if (ofiles[i] == NULL) 356 continue; 357 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 358 dprintf(stderr, "can't read file %d at %x for pid %d\n", 359 i, ofiles[i], Pid); 360 continue; 361 } 362 if (file.f_type == DTYPE_VNODE) 363 vtrans((struct vnode *)file.f_data, i, file.f_flag); 364 else if (file.f_type == DTYPE_SOCKET) { 365 if (checkfile == 0) 366 socktrans((struct socket *)file.f_data, i); 367 } 368 #ifdef DTYPE_PIPE 369 else if (file.f_type == DTYPE_PIPE) { 370 if (checkfile == 0) 371 pipetrans((struct pipe *)file.f_data, i, 372 file.f_flag); 373 } 374 #endif 375 else { 376 dprintf(stderr, 377 "unknown file type %d for file %d of pid %d\n", 378 file.f_type, i, Pid); 379 } 380 } 381 } 382 383 void 384 vtrans(vp, i, flag) 385 struct vnode *vp; 386 int i; 387 int flag; 388 { 389 struct vnode vn; 390 struct filestat fst; 391 char rw[3], mode[15]; 392 char *badtype = NULL, *filename, *getmnton(); 393 394 filename = badtype = NULL; 395 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 396 dprintf(stderr, "can't read vnode at %x for pid %d\n", 397 vp, Pid); 398 return; 399 } 400 if (vn.v_type == VNON || vn.v_tag == VT_NON) 401 badtype = "none"; 402 else if (vn.v_type == VBAD) 403 badtype = "bad"; 404 else 405 switch (vn.v_tag) { 406 case VT_UFS: 407 if (!ufs_filestat(&vn, &fst)) 408 badtype = "error"; 409 break; 410 case VT_MFS: 411 if (!ufs_filestat(&vn, &fst)) 412 badtype = "error"; 413 break; 414 case VT_NFS: 415 if (!nfs_filestat(&vn, &fst)) 416 badtype = "error"; 417 break; 418 default: { 419 static char unknown[10]; 420 sprintf(badtype = unknown, "?(%x)", vn.v_tag); 421 break;; 422 } 423 } 424 if (checkfile) { 425 int fsmatch = 0; 426 register DEVS *d; 427 428 if (badtype) 429 return; 430 for (d = devs; d != NULL; d = d->next) 431 if (d->fsid == fst.fsid) { 432 fsmatch = 1; 433 if (d->ino == fst.fileid) { 434 filename = d->name; 435 break; 436 } 437 } 438 if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 439 return; 440 } 441 PREFIX(i); 442 if (badtype) { 443 (void)printf(" - - %10s -\n", badtype); 444 return; 445 } 446 if (nflg) 447 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 448 else 449 (void)printf(" %-8s", getmnton(vn.v_mount)); 450 if (nflg) 451 (void)sprintf(mode, "%o", fst.mode); 452 else 453 strmode(fst.mode, mode); 454 (void)printf(" %6d %10s", fst.fileid, mode); 455 switch (vn.v_type) { 456 case VBLK: 457 case VCHR: { 458 char *name; 459 460 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 461 S_IFCHR : S_IFBLK)) == NULL)) 462 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 463 else 464 printf(" %6s", name); 465 break; 466 } 467 default: 468 printf(" %6d", fst.size); 469 } 470 rw[0] = '\0'; 471 if (flag & FREAD) 472 strcat(rw, "r"); 473 if (flag & FWRITE) 474 strcat(rw, "w"); 475 printf(" %2s", rw); 476 if (filename && !fsflg) 477 printf(" %s", filename); 478 putchar('\n'); 479 } 480 481 int 482 ufs_filestat(vp, fsp) 483 struct vnode *vp; 484 struct filestat *fsp; 485 { 486 struct inode inode; 487 488 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 489 dprintf(stderr, "can't read inode at %x for pid %d\n", 490 VTOI(vp), Pid); 491 return 0; 492 } 493 fsp->fsid = inode.i_dev & 0xffff; 494 fsp->fileid = (long)inode.i_number; 495 fsp->mode = (mode_t)inode.i_mode; 496 fsp->size = (u_long)inode.i_size; 497 fsp->rdev = inode.i_rdev; 498 499 return 1; 500 } 501 502 int 503 nfs_filestat(vp, fsp) 504 struct vnode *vp; 505 struct filestat *fsp; 506 { 507 struct nfsnode nfsnode; 508 register mode_t mode; 509 510 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 511 dprintf(stderr, "can't read nfsnode at %x for pid %d\n", 512 VTONFS(vp), Pid); 513 return 0; 514 } 515 fsp->fsid = nfsnode.n_vattr.va_fsid; 516 fsp->fileid = nfsnode.n_vattr.va_fileid; 517 fsp->size = nfsnode.n_size; 518 fsp->rdev = nfsnode.n_vattr.va_rdev; 519 mode = (mode_t)nfsnode.n_vattr.va_mode; 520 switch (vp->v_type) { 521 case VREG: 522 mode |= S_IFREG; 523 break; 524 case VDIR: 525 mode |= S_IFDIR; 526 break; 527 case VBLK: 528 mode |= S_IFBLK; 529 break; 530 case VCHR: 531 mode |= S_IFCHR; 532 break; 533 case VLNK: 534 mode |= S_IFLNK; 535 break; 536 case VSOCK: 537 mode |= S_IFSOCK; 538 break; 539 case VFIFO: 540 mode |= S_IFIFO; 541 break; 542 }; 543 fsp->mode = mode; 544 545 return 1; 546 } 547 548 549 char * 550 getmnton(m) 551 struct mount *m; 552 { 553 static struct mount mount; 554 static struct mtab { 555 struct mtab *next; 556 struct mount *m; 557 char mntonname[MNAMELEN]; 558 } *mhead = NULL; 559 register struct mtab *mt; 560 561 for (mt = mhead; mt != NULL; mt = mt->next) 562 if (m == mt->m) 563 return (mt->mntonname); 564 if (!KVM_READ(m, &mount, sizeof(struct mount))) { 565 fprintf(stderr, "can't read mount table at %x\n", m); 566 return (NULL); 567 } 568 if ((mt = malloc(sizeof (struct mtab))) == NULL) { 569 fprintf(stderr, "fstat: %s\n", strerror(errno)); 570 exit(1); 571 } 572 mt->m = m; 573 bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN); 574 mt->next = mhead; 575 mhead = mt; 576 return (mt->mntonname); 577 } 578 579 void 580 pipetrans(pi, i, flag) 581 struct pipe *pi; 582 int i; 583 int flag; 584 { 585 struct pipe pip; 586 char rw[3]; 587 588 PREFIX(i); 589 590 /* fill in socket */ 591 if (!KVM_READ(pi, &pip, sizeof(struct pipe))) { 592 dprintf(stderr, "can't read pipe at %x\n", pi); 593 goto bad; 594 } 595 596 printf("* pipe %8x <-> %8x", (int)pi, (int)pip.pipe_peer); 597 printf(" %6d", (int)pip.pipe_buffer.cnt); 598 rw[0] = '\0'; 599 if (flag & FREAD) 600 strcat(rw, "r"); 601 if (flag & FWRITE) 602 strcat(rw, "w"); 603 printf(" %2s", rw); 604 putchar('\n'); 605 return; 606 607 bad: 608 printf("* error\n"); 609 } 610 611 void 612 socktrans(sock, i) 613 struct socket *sock; 614 int i; 615 { 616 static char *stypename[] = { 617 "unused", /* 0 */ 618 "stream", /* 1 */ 619 "dgram", /* 2 */ 620 "raw", /* 3 */ 621 "rdm", /* 4 */ 622 "seqpak" /* 5 */ 623 }; 624 #define STYPEMAX 5 625 struct socket so; 626 struct protosw proto; 627 struct domain dom; 628 struct inpcb inpcb; 629 struct unpcb unpcb; 630 int len; 631 char dname[32], *strcpy(); 632 633 PREFIX(i); 634 635 /* fill in socket */ 636 if (!KVM_READ(sock, &so, sizeof(struct socket))) { 637 dprintf(stderr, "can't read sock at %x\n", sock); 638 goto bad; 639 } 640 641 /* fill in protosw entry */ 642 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 643 dprintf(stderr, "can't read protosw at %x", so.so_proto); 644 goto bad; 645 } 646 647 /* fill in domain */ 648 if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 649 dprintf(stderr, "can't read domain at %x\n", proto.pr_domain); 650 goto bad; 651 } 652 653 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 654 sizeof(dname) - 1)) < 0) { 655 dprintf(stderr, "can't read domain name at %x\n", 656 dom.dom_name); 657 dname[0] = '\0'; 658 } 659 else 660 dname[len] = '\0'; 661 662 if ((u_short)so.so_type > STYPEMAX) 663 printf("* %s ?%d", dname, so.so_type); 664 else 665 printf("* %s %s", dname, stypename[so.so_type]); 666 667 /* 668 * protocol specific formatting 669 * 670 * Try to find interesting things to print. For tcp, the interesting 671 * thing is the address of the tcpcb, for udp and others, just the 672 * inpcb (socket pcb). For unix domain, its the address of the socket 673 * pcb and the address of the connected pcb (if connected). Otherwise 674 * just print the protocol number and address of the socket itself. 675 * The idea is not to duplicate netstat, but to make available enough 676 * information for further analysis. 677 */ 678 switch(dom.dom_family) { 679 case AF_INET: 680 getinetproto(proto.pr_protocol); 681 if (proto.pr_protocol == IPPROTO_TCP ) { 682 if (so.so_pcb) { 683 if (kvm_read(kd, (u_long)so.so_pcb, 684 (char *)&inpcb, sizeof(struct inpcb)) 685 != sizeof(struct inpcb)) { 686 dprintf(stderr, 687 "can't read inpcb at %x\n", 688 so.so_pcb); 689 goto bad; 690 } 691 printf(" %x", (int)inpcb.inp_ppcb); 692 } 693 } 694 else if (so.so_pcb) 695 printf(" %x", (int)so.so_pcb); 696 break; 697 case AF_UNIX: 698 /* print address of pcb and connected pcb */ 699 if (so.so_pcb) { 700 printf(" %x", (int)so.so_pcb); 701 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 702 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 703 dprintf(stderr, "can't read unpcb at %x\n", 704 so.so_pcb); 705 goto bad; 706 } 707 if (unpcb.unp_conn) { 708 char shoconn[4], *cp; 709 710 cp = shoconn; 711 if (!(so.so_state & SS_CANTRCVMORE)) 712 *cp++ = '<'; 713 *cp++ = '-'; 714 if (!(so.so_state & SS_CANTSENDMORE)) 715 *cp++ = '>'; 716 *cp = '\0'; 717 printf(" %s %x", shoconn, 718 (int)unpcb.unp_conn); 719 } 720 } 721 break; 722 default: 723 /* print protocol number and socket address */ 724 printf(" %d %x", proto.pr_protocol, (int)sock); 725 } 726 printf("\n"); 727 return; 728 bad: 729 printf("* error\n"); 730 } 731 732 /* 733 * getinetproto -- 734 * print name of protocol number 735 */ 736 void 737 getinetproto(number) 738 int number; 739 { 740 char *cp; 741 742 switch(number) { 743 case IPPROTO_IP: 744 cp = "ip"; break; 745 case IPPROTO_ICMP: 746 cp ="icmp"; break; 747 case IPPROTO_GGP: 748 cp ="ggp"; break; 749 case IPPROTO_TCP: 750 cp ="tcp"; break; 751 case IPPROTO_EGP: 752 cp ="egp"; break; 753 case IPPROTO_PUP: 754 cp ="pup"; break; 755 case IPPROTO_UDP: 756 cp ="udp"; break; 757 case IPPROTO_IDP: 758 cp ="idp"; break; 759 case IPPROTO_RAW: 760 cp ="raw"; break; 761 default: 762 printf(" %d", number); 763 return; 764 } 765 printf(" %s", cp); 766 } 767 768 int 769 getfname(filename) 770 char *filename; 771 { 772 struct stat statbuf; 773 DEVS *cur; 774 775 if (stat(filename, &statbuf)) { 776 fprintf(stderr, "fstat: %s: %s\n", filename, strerror(errno)); 777 return(0); 778 } 779 if ((cur = malloc(sizeof(DEVS))) == NULL) { 780 fprintf(stderr, "fstat: %s\n", strerror(errno)); 781 exit(1); 782 } 783 cur->next = devs; 784 devs = cur; 785 786 cur->ino = statbuf.st_ino; 787 cur->fsid = statbuf.st_dev & 0xffff; 788 cur->name = filename; 789 return(1); 790 } 791 792 void 793 usage() 794 { 795 (void)fprintf(stderr, 796 "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 797 exit(1); 798 } 799