fstat.c revision 1.20
1 /* $NetBSD: fstat.c,v 1.20 1997/06/12 07:45:28 bouyer 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 #ifndef lint 37 static char copyright[] = 38 "@(#) 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 /*static char sccsid[] = "from: @(#)fstat.c 8.3 (Berkeley) 5/2/95";*/ 44 static char *rcsid = "$NetBSD: fstat.c,v 1.20 1997/06/12 07:45:28 bouyer Exp $"; 45 #endif /* not lint */ 46 47 #include <sys/param.h> 48 #include <sys/time.h> 49 #include <sys/proc.h> 50 #include <sys/user.h> 51 #include <sys/stat.h> 52 #include <sys/vnode.h> 53 #include <sys/socket.h> 54 #include <sys/socketvar.h> 55 #include <sys/domain.h> 56 #include <sys/protosw.h> 57 #include <sys/unpcb.h> 58 #include <sys/sysctl.h> 59 #include <sys/filedesc.h> 60 #define _KERNEL 61 #include <sys/file.h> 62 #include <ufs/ufs/quota.h> 63 #include <ufs/ufs/inode.h> 64 #undef _KERNEL 65 #define NFS 66 #include <sys/mount.h> 67 #include <nfs/nfsproto.h> 68 #include <nfs/rpcv2.h> 69 #include <nfs/nfs.h> 70 #include <nfs/nfsnode.h> 71 #undef NFS 72 73 #include <net/route.h> 74 #include <netinet/in.h> 75 #include <netinet/in_systm.h> 76 #include <netinet/ip.h> 77 #include <netinet/in_pcb.h> 78 79 #include <ctype.h> 80 #include <errno.h> 81 #include <kvm.h> 82 #include <limits.h> 83 #include <nlist.h> 84 #include <paths.h> 85 #include <pwd.h> 86 #include <stdio.h> 87 #include <stdlib.h> 88 #include <string.h> 89 90 #define TEXT -1 91 #define CDIR -2 92 #define RDIR -3 93 #define TRACE -4 94 95 typedef struct devs { 96 struct devs *next; 97 long fsid; 98 ino_t ino; 99 char *name; 100 } DEVS; 101 DEVS *devs; 102 103 struct filestat { 104 long fsid; 105 long fileid; 106 mode_t mode; 107 u_long size; 108 dev_t rdev; 109 }; 110 111 #ifdef notdef 112 struct nlist nl[] = { 113 { "" }, 114 }; 115 #endif 116 117 int fsflg, /* show files on same filesystem as file(s) argument */ 118 pflg, /* show files open by a particular pid */ 119 uflg; /* show files open by a particular (effective) user */ 120 int checkfile; /* true if restricting to particular files or filesystems */ 121 int nflg; /* (numerical) display f.s. and rdev as dev_t */ 122 int vflg; /* display errors in locating kernel data objects etc... */ 123 124 #define dprintf if (vflg) fprintf 125 126 struct file **ofiles; /* buffer of pointers to file structures */ 127 int maxfiles; 128 #define ALLOC_OFILES(d) \ 129 if ((d) > maxfiles) { \ 130 free(ofiles); \ 131 ofiles = malloc((d) * sizeof(struct file *)); \ 132 if (ofiles == NULL) { \ 133 fprintf(stderr, "fstat: %s\n", strerror(errno)); \ 134 exit(1); \ 135 } \ 136 maxfiles = (d); \ 137 } 138 139 /* 140 * a kvm_read that returns true if everything is read 141 */ 142 #define KVM_READ(kaddr, paddr, len) \ 143 (kvm_read(kd, (u_long)(kaddr), (char *)(paddr), (len)) == (len)) 144 145 kvm_t *kd; 146 147 int ufs_filestat(), ext2fs_filestat(), nfs_filestat(); 148 void dofiles(), getinetproto(), socktrans(); 149 void usage(), vtrans(); 150 151 main(argc, argv) 152 int argc; 153 char **argv; 154 { 155 extern char *optarg; 156 extern int optind; 157 register struct passwd *passwd; 158 struct kinfo_proc *p, *plast; 159 int arg, ch, what; 160 char *memf, *nlistf; 161 char buf[_POSIX2_LINE_MAX]; 162 int cnt; 163 164 arg = 0; 165 what = KERN_PROC_ALL; 166 nlistf = memf = NULL; 167 while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != EOF) 168 switch((char)ch) { 169 case 'f': 170 fsflg = 1; 171 break; 172 case 'M': 173 memf = optarg; 174 break; 175 case 'N': 176 nlistf = optarg; 177 break; 178 case 'n': 179 nflg = 1; 180 break; 181 case 'p': 182 if (pflg++) 183 usage(); 184 if (!isdigit(*optarg)) { 185 fprintf(stderr, 186 "fstat: -p requires a process id\n"); 187 usage(); 188 } 189 what = KERN_PROC_PID; 190 arg = atoi(optarg); 191 break; 192 case 'u': 193 if (uflg++) 194 usage(); 195 if (!(passwd = getpwnam(optarg))) { 196 fprintf(stderr, "%s: unknown uid\n", 197 optarg); 198 exit(1); 199 } 200 what = KERN_PROC_UID; 201 arg = passwd->pw_uid; 202 break; 203 case 'v': 204 vflg = 1; 205 break; 206 case '?': 207 default: 208 usage(); 209 } 210 211 if (*(argv += optind)) { 212 for (; *argv; ++argv) { 213 if (getfname(*argv)) 214 checkfile = 1; 215 } 216 if (!checkfile) /* file(s) specified, but none accessable */ 217 exit(1); 218 } 219 220 ALLOC_OFILES(256); /* reserve space for file pointers */ 221 222 if (fsflg && !checkfile) { 223 /* -f with no files means use wd */ 224 if (getfname(".") == 0) 225 exit(1); 226 checkfile = 1; 227 } 228 229 /* 230 * Discard setgid privileges if not the running kernel so that bad 231 * guys can't print interesting stuff from kernel memory. 232 */ 233 if (nlistf != NULL || memf != NULL) 234 setgid(getgid()); 235 236 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) { 237 fprintf(stderr, "fstat: %s\n", buf); 238 exit(1); 239 } 240 #ifdef notdef 241 if (kvm_nlist(kd, nl) != 0) { 242 fprintf(stderr, "fstat: no namelist: %s\n", kvm_geterr(kd)); 243 exit(1); 244 } 245 #endif 246 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) { 247 fprintf(stderr, "fstat: %s\n", kvm_geterr(kd)); 248 exit(1); 249 } 250 if (nflg) 251 printf("%s", 252 "USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 253 else 254 printf("%s", 255 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 256 if (checkfile && fsflg == 0) 257 printf(" NAME\n"); 258 else 259 putchar('\n'); 260 261 for (plast = &p[cnt]; p < plast; ++p) { 262 if (p->kp_proc.p_stat == SZOMB) 263 continue; 264 dofiles(p); 265 } 266 exit(0); 267 } 268 269 char *Uname, *Comm; 270 int Pid; 271 272 #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 273 switch(i) { \ 274 case TEXT: \ 275 printf(" text"); \ 276 break; \ 277 case CDIR: \ 278 printf(" wd"); \ 279 break; \ 280 case RDIR: \ 281 printf(" root"); \ 282 break; \ 283 case TRACE: \ 284 printf(" tr"); \ 285 break; \ 286 default: \ 287 printf(" %4d", i); \ 288 break; \ 289 } 290 291 /* 292 * print open files attributed to this process 293 */ 294 void 295 dofiles(kp) 296 struct kinfo_proc *kp; 297 { 298 int i, last; 299 struct file file; 300 struct filedesc0 filed0; 301 #define filed filed0.fd_fd 302 struct proc *p = &kp->kp_proc; 303 struct eproc *ep = &kp->kp_eproc; 304 305 extern char *user_from_uid(); 306 307 Uname = user_from_uid(ep->e_ucred.cr_uid, 0); 308 Pid = p->p_pid; 309 Comm = p->p_comm; 310 311 if (p->p_fd == NULL) 312 return; 313 if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { 314 dprintf(stderr, "can't read filedesc at %x for pid %d\n", 315 p->p_fd, Pid); 316 return; 317 } 318 if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles || 319 filed.fd_freefile > filed.fd_lastfile + 1) { 320 dprintf(stderr, "filedesc corrupted at %x for pid %d\n", 321 p->p_fd, Pid); 322 return; 323 } 324 /* 325 * root directory vnode, if one 326 */ 327 if (filed.fd_rdir) 328 vtrans(filed.fd_rdir, RDIR, FREAD); 329 /* 330 * current working directory vnode 331 */ 332 vtrans(filed.fd_cdir, CDIR, FREAD); 333 /* 334 * ktrace vnode, if one 335 */ 336 if (p->p_tracep) 337 vtrans(p->p_tracep, TRACE, FREAD|FWRITE); 338 /* 339 * open files 340 */ 341 #define FPSIZE (sizeof (struct file *)) 342 ALLOC_OFILES(filed.fd_lastfile+1); 343 if (filed.fd_nfiles > NDFILE) { 344 if (!KVM_READ(filed.fd_ofiles, ofiles, 345 (filed.fd_lastfile+1) * FPSIZE)) { 346 dprintf(stderr, 347 "can't read file structures at %x for pid %d\n", 348 filed.fd_ofiles, Pid); 349 return; 350 } 351 } else 352 bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE); 353 for (i = 0; i <= filed.fd_lastfile; i++) { 354 if (ofiles[i] == NULL) 355 continue; 356 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 357 dprintf(stderr, "can't read file %d at %x for pid %d\n", 358 i, ofiles[i], Pid); 359 continue; 360 } 361 if (file.f_type == DTYPE_VNODE) 362 vtrans((struct vnode *)file.f_data, i, file.f_flag); 363 else if (file.f_type == DTYPE_SOCKET) { 364 if (checkfile == 0) 365 socktrans((struct socket *)file.f_data, i); 366 } 367 else { 368 dprintf(stderr, 369 "unknown file type %d for file %d of pid %d\n", 370 file.f_type, i, Pid); 371 } 372 } 373 } 374 375 void 376 vtrans(vp, i, flag) 377 struct vnode *vp; 378 int i; 379 int flag; 380 { 381 struct vnode vn; 382 struct filestat fst; 383 char mode[15]; 384 char *badtype = NULL, *filename, *getmnton(); 385 386 filename = badtype = NULL; 387 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 388 dprintf(stderr, "can't read vnode at %x for pid %d\n", 389 vp, Pid); 390 return; 391 } 392 if (vn.v_type == VNON || vn.v_tag == VT_NON) 393 badtype = "none"; 394 else if (vn.v_type == VBAD) 395 badtype = "bad"; 396 else 397 switch (vn.v_tag) { 398 case VT_UFS: 399 if (!ufs_filestat(&vn, &fst)) 400 badtype = "error"; 401 break; 402 case VT_MFS: 403 if (!ufs_filestat(&vn, &fst)) 404 badtype = "error"; 405 break; 406 case VT_NFS: 407 if (!nfs_filestat(&vn, &fst)) 408 badtype = "error"; 409 break; 410 case VT_EXT2FS: 411 if (!ext2fs_filestat(&vn, &fst)) 412 badtype = "error"; 413 break; 414 default: { 415 static char unknown[10]; 416 (void)snprintf(badtype = unknown, sizeof unknown, 417 "?(%x)", vn.v_tag); 418 break;; 419 } 420 } 421 if (checkfile) { 422 int fsmatch = 0; 423 register DEVS *d; 424 425 if (badtype) 426 return; 427 for (d = devs; d != NULL; d = d->next) 428 if (d->fsid == fst.fsid) { 429 fsmatch = 1; 430 if (d->ino == fst.fileid) { 431 filename = d->name; 432 break; 433 } 434 } 435 if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 436 return; 437 } 438 PREFIX(i); 439 if (badtype) { 440 (void)printf(" - - %10s -\n", badtype); 441 return; 442 } 443 if (nflg) 444 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 445 else 446 (void)printf(" %-8s", getmnton(vn.v_mount)); 447 if (nflg) 448 (void)snprintf(mode, sizeof mode, "%o", fst.mode); 449 else 450 strmode(fst.mode, mode); 451 (void)printf(" %6d %10s", fst.fileid, mode); 452 switch (vn.v_type) { 453 case VBLK: 454 case VCHR: { 455 char *name; 456 457 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 458 S_IFCHR : S_IFBLK)) == NULL)) 459 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 460 else 461 printf(" %6s", name); 462 break; 463 } 464 default: 465 printf(" %6d", fst.size); 466 } 467 putchar(' '); 468 if (flag & FREAD) 469 putchar('r'); 470 if (flag & FWRITE) 471 putchar('w'); 472 if (filename && !fsflg) 473 printf(" %s", filename); 474 putchar('\n'); 475 } 476 477 int 478 ufs_filestat(vp, fsp) 479 struct vnode *vp; 480 struct filestat *fsp; 481 { 482 struct inode inode; 483 484 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 485 dprintf(stderr, "can't read inode at %x for pid %d\n", 486 VTOI(vp), Pid); 487 return 0; 488 } 489 fsp->fsid = inode.i_dev & 0xffff; 490 fsp->fileid = (long)inode.i_number; 491 fsp->mode = (mode_t)inode.i_ffs_mode; 492 fsp->size = (u_long)inode.i_ffs_size; 493 fsp->rdev = inode.i_ffs_rdev; 494 495 return 1; 496 } 497 498 int 499 ext2fs_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 %x for pid %d\n", 507 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_e2fs_mode; 513 fsp->size = (u_long)inode.i_e2fs_size; 514 fsp->rdev = 0; /* XXX */ 515 return 1; 516 } 517 518 int 519 nfs_filestat(vp, fsp) 520 struct vnode *vp; 521 struct filestat *fsp; 522 { 523 struct nfsnode nfsnode; 524 register mode_t mode; 525 526 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 527 dprintf(stderr, "can't read nfsnode at %x for pid %d\n", 528 VTONFS(vp), Pid); 529 return 0; 530 } 531 fsp->fsid = nfsnode.n_vattr.va_fsid; 532 fsp->fileid = nfsnode.n_vattr.va_fileid; 533 fsp->size = nfsnode.n_size; 534 fsp->rdev = nfsnode.n_vattr.va_rdev; 535 mode = (mode_t)nfsnode.n_vattr.va_mode; 536 switch (vp->v_type) { 537 case VREG: 538 mode |= S_IFREG; 539 break; 540 case VDIR: 541 mode |= S_IFDIR; 542 break; 543 case VBLK: 544 mode |= S_IFBLK; 545 break; 546 case VCHR: 547 mode |= S_IFCHR; 548 break; 549 case VLNK: 550 mode |= S_IFLNK; 551 break; 552 case VSOCK: 553 mode |= S_IFSOCK; 554 break; 555 case VFIFO: 556 mode |= S_IFIFO; 557 break; 558 }; 559 fsp->mode = mode; 560 561 return 1; 562 } 563 564 565 char * 566 getmnton(m) 567 struct mount *m; 568 { 569 static struct mount mount; 570 static struct mtab { 571 struct mtab *next; 572 struct mount *m; 573 char mntonname[MNAMELEN]; 574 } *mhead = NULL; 575 register struct mtab *mt; 576 577 for (mt = mhead; mt != NULL; mt = mt->next) 578 if (m == mt->m) 579 return (mt->mntonname); 580 if (!KVM_READ(m, &mount, sizeof(struct mount))) { 581 fprintf(stderr, "can't read mount table at %x\n", m); 582 return (NULL); 583 } 584 if ((mt = malloc(sizeof (struct mtab))) == NULL) { 585 fprintf(stderr, "fstat: %s\n", strerror(errno)); 586 exit(1); 587 } 588 mt->m = m; 589 bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN); 590 mt->next = mhead; 591 mhead = mt; 592 return (mt->mntonname); 593 } 594 595 void 596 socktrans(sock, i) 597 struct socket *sock; 598 int i; 599 { 600 static char *stypename[] = { 601 "unused", /* 0 */ 602 "stream", /* 1 */ 603 "dgram", /* 2 */ 604 "raw", /* 3 */ 605 "rdm", /* 4 */ 606 "seqpak" /* 5 */ 607 }; 608 #define STYPEMAX 5 609 struct socket so; 610 struct protosw proto; 611 struct domain dom; 612 struct inpcb inpcb; 613 struct unpcb unpcb; 614 int len; 615 char dname[32]; 616 617 PREFIX(i); 618 619 /* fill in socket */ 620 if (!KVM_READ(sock, &so, sizeof(struct socket))) { 621 dprintf(stderr, "can't read sock at %x\n", sock); 622 goto bad; 623 } 624 625 /* fill in protosw entry */ 626 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 627 dprintf(stderr, "can't read protosw at %x", so.so_proto); 628 goto bad; 629 } 630 631 /* fill in domain */ 632 if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 633 dprintf(stderr, "can't read domain at %x\n", proto.pr_domain); 634 goto bad; 635 } 636 637 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 638 sizeof(dname) - 1)) < 0) { 639 dprintf(stderr, "can't read domain name at %x\n", 640 dom.dom_name); 641 dname[0] = '\0'; 642 } 643 else 644 dname[len] = '\0'; 645 646 if ((u_short)so.so_type > STYPEMAX) 647 printf("* %s ?%d", dname, so.so_type); 648 else 649 printf("* %s %s", dname, stypename[so.so_type]); 650 651 /* 652 * protocol specific formatting 653 * 654 * Try to find interesting things to print. For tcp, the interesting 655 * thing is the address of the tcpcb, for udp and others, just the 656 * inpcb (socket pcb). For unix domain, its the address of the socket 657 * pcb and the address of the connected pcb (if connected). Otherwise 658 * just print the protocol number and address of the socket itself. 659 * The idea is not to duplicate netstat, but to make available enough 660 * information for further analysis. 661 */ 662 switch(dom.dom_family) { 663 case AF_INET: 664 getinetproto(proto.pr_protocol); 665 if (proto.pr_protocol == IPPROTO_TCP ) { 666 if (so.so_pcb) { 667 if (kvm_read(kd, (u_long)so.so_pcb, 668 (char *)&inpcb, sizeof(struct inpcb)) 669 != sizeof(struct inpcb)) { 670 dprintf(stderr, 671 "can't read inpcb at %x\n", 672 so.so_pcb); 673 goto bad; 674 } 675 printf(" %lx", (long)inpcb.inp_ppcb); 676 } 677 } 678 else if (so.so_pcb) 679 printf(" %lx", (long)so.so_pcb); 680 break; 681 case AF_UNIX: 682 /* print address of pcb and connected pcb */ 683 if (so.so_pcb) { 684 printf(" %lx", (long)so.so_pcb); 685 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 686 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 687 dprintf(stderr, "can't read unpcb at %x\n", 688 so.so_pcb); 689 goto bad; 690 } 691 if (unpcb.unp_conn) { 692 char shoconn[4], *cp; 693 694 cp = shoconn; 695 if (!(so.so_state & SS_CANTRCVMORE)) 696 *cp++ = '<'; 697 *cp++ = '-'; 698 if (!(so.so_state & SS_CANTSENDMORE)) 699 *cp++ = '>'; 700 *cp = '\0'; 701 printf(" %s %lx", shoconn, 702 (long)unpcb.unp_conn); 703 } 704 } 705 break; 706 default: 707 /* print protocol number and socket address */ 708 printf(" %d %lx", proto.pr_protocol, (long)sock); 709 } 710 printf("\n"); 711 return; 712 bad: 713 printf("* error\n"); 714 } 715 716 /* 717 * getinetproto -- 718 * print name of protocol number 719 */ 720 void 721 getinetproto(number) 722 int number; 723 { 724 char *cp; 725 726 switch(number) { 727 case IPPROTO_IP: 728 cp = "ip"; break; 729 case IPPROTO_ICMP: 730 cp ="icmp"; break; 731 case IPPROTO_GGP: 732 cp ="ggp"; break; 733 case IPPROTO_TCP: 734 cp ="tcp"; break; 735 case IPPROTO_EGP: 736 cp ="egp"; break; 737 case IPPROTO_PUP: 738 cp ="pup"; break; 739 case IPPROTO_UDP: 740 cp ="udp"; break; 741 case IPPROTO_IDP: 742 cp ="idp"; break; 743 case IPPROTO_RAW: 744 cp ="raw"; break; 745 default: 746 printf(" %d", number); 747 return; 748 } 749 printf(" %s", cp); 750 } 751 752 getfname(filename) 753 char *filename; 754 { 755 struct stat statbuf; 756 DEVS *cur; 757 758 if (stat(filename, &statbuf)) { 759 fprintf(stderr, "fstat: %s: %s\n", filename, strerror(errno)); 760 return(0); 761 } 762 if ((cur = malloc(sizeof(DEVS))) == NULL) { 763 fprintf(stderr, "fstat: %s\n", strerror(errno)); 764 exit(1); 765 } 766 cur->next = devs; 767 devs = cur; 768 769 cur->ino = statbuf.st_ino; 770 cur->fsid = statbuf.st_dev & 0xffff; 771 cur->name = filename; 772 return(1); 773 } 774 775 void 776 usage() 777 { 778 (void)fprintf(stderr, 779 "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 780 exit(1); 781 } 782
Indexes created Mon Sep 22 13:09:51 GMT 2025