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 const 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 #if 0 42 static char sccsid[] = "@(#)fstat.c 8.3 (Berkeley) 5/2/95"; 43 #endif 44 static const char rcsid[] = 45 "$Id: fstat.c,v 1.13 1997/08/31 01:27:04 alex Exp $"; 46 #endif /* not lint */ 47 48 #include <sys/param.h> 49 #include <sys/time.h> 50 #include <sys/proc.h> 51 #include <sys/user.h> 52 #include <sys/stat.h> 53 #include <sys/vnode.h> 54 #include <sys/socket.h> 55 #include <sys/socketvar.h> 56 #include <sys/domain.h> 57 #include <sys/protosw.h> 58 #include <sys/unpcb.h> 59 #include <sys/sysctl.h> 60 #include <sys/filedesc.h> 61 #include <sys/queue.h> 62 #include <sys/pipe.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 #include <sys/mount.h> 69 #include <nfs/nfsproto.h> 70 #include <nfs/rpcv2.h> 71 #include <nfs/nfs.h> 72 #include <nfs/nfsnode.h> 73 74 #include <net/route.h> 75 #include <netinet/in.h> 76 #include <netinet/in_systm.h> 77 #include <netinet/ip.h> 78 #include <netinet/in_pcb.h> 79 80 #include <ctype.h> 81 #include <err.h> 82 #include <fcntl.h> 83 #include <kvm.h> 84 #include <limits.h> 85 #include <nlist.h> 86 #include <paths.h> 87 #include <pwd.h> 88 #include <stdio.h> 89 #include <stdlib.h> 90 #include <string.h> 91 #include <unistd.h> 92 93 #define TEXT -1 94 #define CDIR -2 95 #define RDIR -3 96 #define TRACE -4 97 98 typedef struct devs { 99 struct devs *next; 100 long fsid; 101 ino_t ino; 102 char *name; 103 } DEVS; 104 DEVS *devs; 105 106 struct filestat { 107 long fsid; 108 long fileid; 109 mode_t mode; 110 u_long size; 111 dev_t rdev; 112 }; 113 114 #ifdef notdef 115 struct nlist nl[] = { 116 { "" }, 117 }; 118 #endif 119 120 int fsflg, /* show files on same filesystem as file(s) argument */ 121 pflg, /* show files open by a particular pid */ 122 uflg; /* show files open by a particular (effective) user */ 123 int checkfile; /* true if restricting to particular files or filesystems */ 124 int nflg; /* (numerical) display f.s. and rdev as dev_t */ 125 int vflg; /* display errors in locating kernel data objects etc... */ 126 127 #define dprintf if (vflg) fprintf 128 129 struct file **ofiles; /* buffer of pointers to file structures */ 130 int maxfiles; 131 #define ALLOC_OFILES(d) \ 132 if ((d) > maxfiles) { \ 133 free(ofiles); \ 134 ofiles = malloc((d) * sizeof(struct file *)); \ 135 if (ofiles == NULL) { \ 136 err(1, NULL); \ 137 } \ 138 maxfiles = (d); \ 139 } 140 141 /* 142 * a kvm_read that returns true if everything is read 143 */ 144 #define KVM_READ(kaddr, paddr, len) \ 145 (kvm_read(kd, (u_long)(kaddr), (char *)(paddr), (len)) == (len)) 146 147 kvm_t *kd; 148 149 void dofiles __P((struct kinfo_proc *kp)); 150 void vtrans __P((struct vnode *vp, int i, int flag)); 151 int ufs_filestat __P((struct vnode *vp, struct filestat *fsp)); 152 int nfs_filestat __P((struct vnode *vp, struct filestat *fsp)); 153 char *getmnton __P((struct mount *m)); 154 void pipetrans __P((struct pipe *pi, int i, int flag)); 155 void socktrans __P((struct socket *sock, int i)); 156 void getinetproto __P((int number)); 157 int getfname __P((char *filename)); 158 void usage __P((void)); 159 160 161 int 162 main(argc, argv) 163 int argc; 164 char **argv; 165 { 166 register struct passwd *passwd; 167 struct kinfo_proc *p, *plast; 168 int arg, ch, what; 169 char *memf, *nlistf; 170 char buf[_POSIX2_LINE_MAX]; 171 int cnt; 172 173 arg = 0; 174 what = KERN_PROC_ALL; 175 nlistf = memf = NULL; 176 while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1) 177 switch((char)ch) { 178 case 'f': 179 fsflg = 1; 180 break; 181 case 'M': 182 memf = optarg; 183 break; 184 case 'N': 185 nlistf = optarg; 186 break; 187 case 'n': 188 nflg = 1; 189 break; 190 case 'p': 191 if (pflg++) 192 usage(); 193 if (!isdigit(*optarg)) { 194 warnx("-p requires a process id"); 195 usage(); 196 } 197 what = KERN_PROC_PID; 198 arg = atoi(optarg); 199 break; 200 case 'u': 201 if (uflg++) 202 usage(); 203 if (!(passwd = getpwnam(optarg))) 204 errx(1, "%s: unknown uid", optarg); 205 what = KERN_PROC_UID; 206 arg = passwd->pw_uid; 207 break; 208 case 'v': 209 vflg = 1; 210 break; 211 case '?': 212 default: 213 usage(); 214 } 215 216 if (*(argv += optind)) { 217 for (; *argv; ++argv) { 218 if (getfname(*argv)) 219 checkfile = 1; 220 } 221 if (!checkfile) /* file(s) specified, but none accessable */ 222 exit(1); 223 } 224 225 ALLOC_OFILES(256); /* reserve space for file pointers */ 226 227 if (fsflg && !checkfile) { 228 /* -f with no files means use wd */ 229 if (getfname(".") == 0) 230 exit(1); 231 checkfile = 1; 232 } 233 234 /* 235 * Discard setgid privileges if not the running kernel so that bad 236 * guys can't print interesting stuff from kernel memory. 237 */ 238 if (nlistf != NULL || memf != NULL) 239 setgid(getgid()); 240 241 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 242 errx(1, "%s", buf); 243 #ifdef notdef 244 if (kvm_nlist(kd, nl) != 0) 245 errx(1, "no namelist: %s", kvm_geterr(kd)); 246 #endif 247 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) 248 errx(1, "%s", kvm_geterr(kd)); 249 if (nflg) 250 printf("%s", 251 "USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 252 else 253 printf("%s", 254 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 255 if (checkfile && fsflg == 0) 256 printf(" NAME\n"); 257 else 258 putchar('\n'); 259 260 for (plast = &p[cnt]; p < plast; ++p) { 261 if (p->kp_proc.p_stat == SZOMB) 262 continue; 263 dofiles(p); 264 } 265 exit(0); 266 } 267 268 char *Uname, *Comm; 269 int Pid; 270 271 #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 272 switch(i) { \ 273 case TEXT: \ 274 printf(" text"); \ 275 break; \ 276 case CDIR: \ 277 printf(" wd"); \ 278 break; \ 279 case RDIR: \ 280 printf(" root"); \ 281 break; \ 282 case TRACE: \ 283 printf(" tr"); \ 284 break; \ 285 default: \ 286 printf(" %4d", i); \ 287 break; \ 288 } 289 290 /* 291 * print open files attributed to this process 292 */ 293 void 294 dofiles(kp) 295 struct kinfo_proc *kp; 296 { 297 int i; 298 struct file file; 299 struct filedesc0 filed0; 300 #define filed filed0.fd_fd 301 struct proc *p = &kp->kp_proc; 302 struct eproc *ep = &kp->kp_eproc; 303 304 Uname = user_from_uid(ep->e_ucred.cr_uid, 0); 305 Pid = p->p_pid; 306 Comm = p->p_comm; 307 308 if (p->p_fd == NULL) 309 return; 310 if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { 311 dprintf(stderr, "can't read filedesc at %x for pid %d\n", 312 p->p_fd, Pid); 313 return; 314 } 315 /* 316 * root directory vnode, if one 317 */ 318 if (filed.fd_rdir) 319 vtrans(filed.fd_rdir, RDIR, FREAD); 320 /* 321 * current working directory vnode 322 */ 323 vtrans(filed.fd_cdir, CDIR, FREAD); 324 /* 325 * ktrace vnode, if one 326 */ 327 if (p->p_tracep) 328 vtrans(p->p_tracep, TRACE, FREAD|FWRITE); 329 /* 330 * text vnode, if one 331 */ 332 if (p->p_textvp) 333 vtrans(p->p_textvp, TEXT, FREAD); 334 /* 335 * open files 336 */ 337 #define FPSIZE (sizeof (struct file *)) 338 ALLOC_OFILES(filed.fd_lastfile+1); 339 if (filed.fd_nfiles > NDFILE) { 340 if (!KVM_READ(filed.fd_ofiles, ofiles, 341 (filed.fd_lastfile+1) * FPSIZE)) { 342 dprintf(stderr, 343 "can't read file structures at %x for pid %d\n", 344 filed.fd_ofiles, Pid); 345 return; 346 } 347 } else 348 bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE); 349 for (i = 0; i <= filed.fd_lastfile; i++) { 350 if (ofiles[i] == NULL) 351 continue; 352 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 353 dprintf(stderr, "can't read file %d at %x for pid %d\n", 354 i, ofiles[i], Pid); 355 continue; 356 } 357 if (file.f_type == DTYPE_VNODE) 358 vtrans((struct vnode *)file.f_data, i, file.f_flag); 359 else if (file.f_type == DTYPE_SOCKET) { 360 if (checkfile == 0) 361 socktrans((struct socket *)file.f_data, i); 362 } 363 #ifdef DTYPE_PIPE 364 else if (file.f_type == DTYPE_PIPE) { 365 if (checkfile == 0) 366 pipetrans((struct pipe *)file.f_data, i, 367 file.f_flag); 368 } 369 #endif 370 else { 371 dprintf(stderr, 372 "unknown file type %d for file %d of pid %d\n", 373 file.f_type, i, Pid); 374 } 375 } 376 } 377 378 void 379 vtrans(vp, i, flag) 380 struct vnode *vp; 381 int i; 382 int flag; 383 { 384 struct vnode vn; 385 struct filestat fst; 386 char rw[3], mode[15]; 387 char *badtype = NULL, *filename, *getmnton(); 388 389 filename = badtype = NULL; 390 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 391 dprintf(stderr, "can't read vnode at %x for pid %d\n", 392 vp, Pid); 393 return; 394 } 395 if (vn.v_type == VNON || vn.v_tag == VT_NON) 396 badtype = "none"; 397 else if (vn.v_type == VBAD) 398 badtype = "bad"; 399 else 400 switch (vn.v_tag) { 401 case VT_UFS: 402 if (!ufs_filestat(&vn, &fst)) 403 badtype = "error"; 404 break; 405 case VT_MFS: 406 if (!ufs_filestat(&vn, &fst)) 407 badtype = "error"; 408 break; 409 case VT_NFS: 410 if (!nfs_filestat(&vn, &fst)) 411 badtype = "error"; 412 break; 413 default: { 414 static char unknown[10]; 415 sprintf(badtype = unknown, "?(%x)", vn.v_tag); 416 break;; 417 } 418 } 419 if (checkfile) { 420 int fsmatch = 0; 421 register DEVS *d; 422 423 if (badtype) 424 return; 425 for (d = devs; d != NULL; d = d->next) 426 if (d->fsid == fst.fsid) { 427 fsmatch = 1; 428 if (d->ino == fst.fileid) { 429 filename = d->name; 430 break; 431 } 432 } 433 if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 434 return; 435 } 436 PREFIX(i); 437 if (badtype) { 438 (void)printf(" - - %10s -\n", badtype); 439 return; 440 } 441 if (nflg) 442 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 443 else 444 (void)printf(" %-8s", getmnton(vn.v_mount)); 445 if (nflg) 446 (void)sprintf(mode, "%o", fst.mode); 447 else 448 strmode(fst.mode, mode); 449 (void)printf(" %6d %10s", fst.fileid, mode); 450 switch (vn.v_type) { 451 case VBLK: 452 case VCHR: { 453 char *name; 454 455 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 456 S_IFCHR : S_IFBLK)) == NULL)) 457 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 458 else 459 printf(" %6s", name); 460 break; 461 } 462 default: 463 printf(" %6lu", fst.size); 464 } 465 rw[0] = '\0'; 466 if (flag & FREAD) 467 strcat(rw, "r"); 468 if (flag & FWRITE) 469 strcat(rw, "w"); 470 printf(" %2s", rw); 471 if (filename && !fsflg) 472 printf(" %s", filename); 473 putchar('\n'); 474 } 475 476 int 477 ufs_filestat(vp, fsp) 478 struct vnode *vp; 479 struct filestat *fsp; 480 { 481 struct inode inode; 482 483 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 484 dprintf(stderr, "can't read inode at %x for pid %d\n", 485 VTOI(vp), Pid); 486 return 0; 487 } 488 fsp->fsid = inode.i_dev & 0xffff; 489 fsp->fileid = (long)inode.i_number; 490 fsp->mode = (mode_t)inode.i_mode; 491 fsp->size = (u_long)inode.i_size; 492 fsp->rdev = inode.i_rdev; 493 494 return 1; 495 } 496 497 int 498 nfs_filestat(vp, fsp) 499 struct vnode *vp; 500 struct filestat *fsp; 501 { 502 struct nfsnode nfsnode; 503 register mode_t mode; 504 505 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 506 dprintf(stderr, "can't read nfsnode at %x for pid %d\n", 507 VTONFS(vp), Pid); 508 return 0; 509 } 510 fsp->fsid = nfsnode.n_vattr.va_fsid; 511 fsp->fileid = nfsnode.n_vattr.va_fileid; 512 fsp->size = nfsnode.n_size; 513 fsp->rdev = nfsnode.n_vattr.va_rdev; 514 mode = (mode_t)nfsnode.n_vattr.va_mode; 515 switch (vp->v_type) { 516 case VREG: 517 mode |= S_IFREG; 518 break; 519 case VDIR: 520 mode |= S_IFDIR; 521 break; 522 case VBLK: 523 mode |= S_IFBLK; 524 break; 525 case VCHR: 526 mode |= S_IFCHR; 527 break; 528 case VLNK: 529 mode |= S_IFLNK; 530 break; 531 case VSOCK: 532 mode |= S_IFSOCK; 533 break; 534 case VFIFO: 535 mode |= S_IFIFO; 536 break; 537 }; 538 fsp->mode = mode; 539 540 return 1; 541 } 542 543 544 char * 545 getmnton(m) 546 struct mount *m; 547 { 548 static struct mount mount; 549 static struct mtab { 550 struct mtab *next; 551 struct mount *m; 552 char mntonname[MNAMELEN]; 553 } *mhead = NULL; 554 register struct mtab *mt; 555 556 for (mt = mhead; mt != NULL; mt = mt->next) 557 if (m == mt->m) 558 return (mt->mntonname); 559 if (!KVM_READ(m, &mount, sizeof(struct mount))) { 560 warnx("can't read mount table at %x", m); 561 return (NULL); 562 } 563 if ((mt = malloc(sizeof (struct mtab))) == NULL) 564 err(1, NULL); 565 mt->m = m; 566 bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN); 567 mt->next = mhead; 568 mhead = mt; 569 return (mt->mntonname); 570 } 571 572 void 573 pipetrans(pi, i, flag) 574 struct pipe *pi; 575 int i; 576 int flag; 577 { 578 struct pipe pip; 579 char rw[3]; 580 581 PREFIX(i); 582 583 /* fill in socket */ 584 if (!KVM_READ(pi, &pip, sizeof(struct pipe))) { 585 dprintf(stderr, "can't read pipe at %x\n", pi); 586 goto bad; 587 } 588 589 printf("* pipe %8x <-> %8x", (int)pi, (int)pip.pipe_peer); 590 printf(" %6d", (int)pip.pipe_buffer.cnt); 591 rw[0] = '\0'; 592 if (flag & FREAD) 593 strcat(rw, "r"); 594 if (flag & FWRITE) 595 strcat(rw, "w"); 596 printf(" %2s", rw); 597 putchar('\n'); 598 return; 599 600 bad: 601 printf("* error\n"); 602 } 603 604 void 605 socktrans(sock, i) 606 struct socket *sock; 607 int i; 608 { 609 static char *stypename[] = { 610 "unused", /* 0 */ 611 "stream", /* 1 */ 612 "dgram", /* 2 */ 613 "raw", /* 3 */ 614 "rdm", /* 4 */ 615 "seqpak" /* 5 */ 616 }; 617 #define STYPEMAX 5 618 struct socket so; 619 struct protosw proto; 620 struct domain dom; 621 struct inpcb inpcb; 622 struct unpcb unpcb; 623 int len; 624 char dname[32], *strcpy(); 625 626 PREFIX(i); 627 628 /* fill in socket */ 629 if (!KVM_READ(sock, &so, sizeof(struct socket))) { 630 dprintf(stderr, "can't read sock at %x\n", sock); 631 goto bad; 632 } 633 634 /* fill in protosw entry */ 635 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 636 dprintf(stderr, "can't read protosw at %x", so.so_proto); 637 goto bad; 638 } 639 640 /* fill in domain */ 641 if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 642 dprintf(stderr, "can't read domain at %x\n", proto.pr_domain); 643 goto bad; 644 } 645 646 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 647 sizeof(dname) - 1)) < 0) { 648 dprintf(stderr, "can't read domain name at %x\n", 649 dom.dom_name); 650 dname[0] = '\0'; 651 } 652 else 653 dname[len] = '\0'; 654 655 if ((u_short)so.so_type > STYPEMAX) 656 printf("* %s ?%d", dname, so.so_type); 657 else 658 printf("* %s %s", dname, stypename[so.so_type]); 659 660 /* 661 * protocol specific formatting 662 * 663 * Try to find interesting things to print. For tcp, the interesting 664 * thing is the address of the tcpcb, for udp and others, just the 665 * inpcb (socket pcb). For unix domain, its the address of the socket 666 * pcb and the address of the connected pcb (if connected). Otherwise 667 * just print the protocol number and address of the socket itself. 668 * The idea is not to duplicate netstat, but to make available enough 669 * information for further analysis. 670 */ 671 switch(dom.dom_family) { 672 case AF_INET: 673 getinetproto(proto.pr_protocol); 674 if (proto.pr_protocol == IPPROTO_TCP ) { 675 if (so.so_pcb) { 676 if (kvm_read(kd, (u_long)so.so_pcb, 677 (char *)&inpcb, sizeof(struct inpcb)) 678 != sizeof(struct inpcb)) { 679 dprintf(stderr, 680 "can't read inpcb at %x\n", 681 so.so_pcb); 682 goto bad; 683 } 684 printf(" %x", (int)inpcb.inp_ppcb); 685 } 686 } 687 else if (so.so_pcb) 688 printf(" %x", (int)so.so_pcb); 689 break; 690 case AF_UNIX: 691 /* print address of pcb and connected pcb */ 692 if (so.so_pcb) { 693 printf(" %x", (int)so.so_pcb); 694 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 695 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 696 dprintf(stderr, "can't read unpcb at %x\n", 697 so.so_pcb); 698 goto bad; 699 } 700 if (unpcb.unp_conn) { 701 char shoconn[4], *cp; 702 703 cp = shoconn; 704 if (!(so.so_state & SS_CANTRCVMORE)) 705 *cp++ = '<'; 706 *cp++ = '-'; 707 if (!(so.so_state & SS_CANTSENDMORE)) 708 *cp++ = '>'; 709 *cp = '\0'; 710 printf(" %s %x", shoconn, 711 (int)unpcb.unp_conn); 712 } 713 } 714 break; 715 default: 716 /* print protocol number and socket address */ 717 printf(" %d %x", proto.pr_protocol, (int)sock); 718 } 719 printf("\n"); 720 return; 721 bad: 722 printf("* error\n"); 723 } 724 725 /* 726 * getinetproto -- 727 * print name of protocol number 728 */ 729 void 730 getinetproto(number) 731 int number; 732 { 733 char *cp; 734 735 switch(number) { 736 case IPPROTO_IP: 737 cp = "ip"; break; 738 case IPPROTO_ICMP: 739 cp ="icmp"; break; 740 case IPPROTO_GGP: 741 cp ="ggp"; break; 742 case IPPROTO_TCP: 743 cp ="tcp"; break; 744 case IPPROTO_EGP: 745 cp ="egp"; break; 746 case IPPROTO_PUP: 747 cp ="pup"; break; 748 case IPPROTO_UDP: 749 cp ="udp"; break; 750 case IPPROTO_IDP: 751 cp ="idp"; break; 752 case IPPROTO_RAW: 753 cp ="raw"; break; 754 default: 755 printf(" %d", number); 756 return; 757 } 758 printf(" %s", cp); 759 } 760 761 int 762 getfname(filename) 763 char *filename; 764 { 765 struct stat statbuf; 766 DEVS *cur; 767 768 if (stat(filename, &statbuf)) { 769 warn("%s", filename); 770 return(0); 771 } 772 if ((cur = malloc(sizeof(DEVS))) == NULL) 773 err(1, NULL); 774 cur->next = devs; 775 devs = cur; 776 777 cur->ino = statbuf.st_ino; 778 cur->fsid = statbuf.st_dev & 0xffff; 779 cur->name = filename; 780 return(1); 781 } 782 783 void 784 usage() 785 { 786 (void)fprintf(stderr, 787 "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 788 exit(1); 789 } 790