fstat.c revision 1.34
1 /* $NetBSD: fstat.c,v 1.34 1999/02/18 06:09:25 lukem 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 1.34 1999/02/18 06:09:25 lukem 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 <arpa/inet.h> 83 84 #include <ctype.h> 85 #include <errno.h> 86 #include <kvm.h> 87 #include <limits.h> 88 #include <nlist.h> 89 #include <paths.h> 90 #include <pwd.h> 91 #include <stdio.h> 92 #include <stdlib.h> 93 #include <string.h> 94 #include <unistd.h> 95 #include <err.h> 96 97 #include "fstat.h" 98 99 #define TEXT -1 100 #define CDIR -2 101 #define RDIR -3 102 #define TRACE -4 103 104 typedef struct devs { 105 struct devs *next; 106 long fsid; 107 ino_t ino; 108 char *name; 109 } DEVS; 110 DEVS *devs; 111 112 int fsflg, /* show files on same filesystem as file(s) argument */ 113 pflg, /* show files open by a particular pid */ 114 uflg; /* show files open by a particular (effective) user */ 115 int checkfile; /* true if restricting to particular files or filesystems */ 116 int nflg; /* (numerical) display f.s. and rdev as dev_t */ 117 int vflg; /* display errors in locating kernel data objects etc... */ 118 119 struct file **ofiles; /* buffer of pointers to file structures */ 120 int maxfiles; 121 #define ALLOC_OFILES(d) \ 122 if ((d) > maxfiles) { \ 123 free(ofiles); \ 124 ofiles = malloc((d) * sizeof(struct file *)); \ 125 if (ofiles == NULL) { \ 126 err(1, "malloc(%u)", (d) * \ 127 (unsigned int)sizeof(struct file *)); \ 128 } \ 129 maxfiles = (d); \ 130 } 131 132 kvm_t *kd; 133 134 void dofiles __P((struct kinfo_proc *)); 135 int ext2fs_filestat __P((struct vnode *, struct filestat *)); 136 int getfname __P((char *)); 137 void getinetproto __P((int)); 138 char *getmnton __P((struct mount *)); 139 int main __P((int, char **)); 140 int nfs_filestat __P((struct vnode *, struct filestat *)); 141 void socktrans __P((struct socket *, int)); 142 int ufs_filestat __P((struct vnode *, struct filestat *)); 143 void usage __P((void)); 144 void vtrans __P((struct vnode *, int, int)); 145 146 int 147 main(argc, argv) 148 int argc; 149 char **argv; 150 { 151 struct passwd *passwd; 152 struct kinfo_proc *p, *plast; 153 int arg, ch, what; 154 char *memf, *nlistf; 155 char buf[_POSIX2_LINE_MAX]; 156 int cnt; 157 gid_t egid = getegid(); 158 159 (void)setegid(getgid()); 160 arg = 0; 161 what = KERN_PROC_ALL; 162 nlistf = memf = NULL; 163 while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1) 164 switch((char)ch) { 165 case 'f': 166 fsflg = 1; 167 break; 168 case 'M': 169 memf = optarg; 170 break; 171 case 'N': 172 nlistf = optarg; 173 break; 174 case 'n': 175 nflg = 1; 176 break; 177 case 'p': 178 if (pflg++) 179 usage(); 180 if (!isdigit(*optarg)) { 181 warnx("-p requires a process id"); 182 usage(); 183 } 184 what = KERN_PROC_PID; 185 arg = atoi(optarg); 186 break; 187 case 'u': 188 if (uflg++) 189 usage(); 190 if (!(passwd = getpwnam(optarg))) { 191 errx(1, "%s: unknown uid", optarg); 192 } 193 what = KERN_PROC_UID; 194 arg = passwd->pw_uid; 195 break; 196 case 'v': 197 vflg = 1; 198 break; 199 case '?': 200 default: 201 usage(); 202 } 203 204 if (*(argv += optind)) { 205 for (; *argv; ++argv) { 206 if (getfname(*argv)) 207 checkfile = 1; 208 } 209 if (!checkfile) /* file(s) specified, but none accessable */ 210 exit(1); 211 } 212 213 ALLOC_OFILES(256); /* reserve space for file pointers */ 214 215 if (fsflg && !checkfile) { 216 /* -f with no files means use wd */ 217 if (getfname(".") == 0) 218 exit(1); 219 checkfile = 1; 220 } 221 222 /* 223 * Discard setgid privileges. If not the running kernel, we toss 224 * them away totally so that bad guys can't print interesting stuff 225 * from kernel memory, otherwise switch back to kmem for the 226 * duration of the kvm_openfiles() call. 227 */ 228 if (nlistf != NULL || memf != NULL) 229 (void)setgid(getgid()); 230 else 231 (void)setegid(egid); 232 233 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 234 errx(1, "%s", buf); 235 236 /* get rid of it now anyway */ 237 if (nlistf == NULL && memf == NULL) 238 (void)setgid(getgid()); 239 240 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) { 241 errx(1, "%s", kvm_geterr(kd)); 242 } 243 if (nflg) 244 printf("%s", 245 "USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 246 else 247 printf("%s", 248 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 249 if (checkfile && fsflg == 0) 250 printf(" NAME\n"); 251 else 252 putchar('\n'); 253 254 for (plast = &p[cnt]; p < plast; ++p) { 255 if (p->kp_proc.p_stat == SZOMB) 256 continue; 257 dofiles(p); 258 } 259 exit(0); 260 } 261 262 const char *Uname, *Comm; 263 pid_t Pid; 264 265 #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 266 switch(i) { \ 267 case TEXT: \ 268 printf(" text"); \ 269 break; \ 270 case CDIR: \ 271 printf(" wd"); \ 272 break; \ 273 case RDIR: \ 274 printf(" root"); \ 275 break; \ 276 case TRACE: \ 277 printf(" tr"); \ 278 break; \ 279 default: \ 280 printf(" %4d", i); \ 281 break; \ 282 } 283 284 /* 285 * print open files attributed to this process 286 */ 287 void 288 dofiles(kp) 289 struct kinfo_proc *kp; 290 { 291 int i; 292 struct file file; 293 struct filedesc0 filed0; 294 #define filed filed0.fd_fd 295 struct proc *p = &kp->kp_proc; 296 struct eproc *ep = &kp->kp_eproc; 297 298 Uname = user_from_uid(ep->e_ucred.cr_uid, 0); 299 Pid = p->p_pid; 300 Comm = p->p_comm; 301 302 if (p->p_fd == NULL) 303 return; 304 if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { 305 warnx("can't read filedesc at %p for pid %d", p->p_fd, Pid); 306 return; 307 } 308 if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles || 309 filed.fd_freefile > filed.fd_lastfile + 1) { 310 dprintf("filedesc corrupted at %p for pid %d", p->p_fd, Pid); 311 return; 312 } 313 /* 314 * root directory vnode, if one 315 */ 316 if (filed.fd_rdir) 317 vtrans(filed.fd_rdir, RDIR, FREAD); 318 /* 319 * current working directory vnode 320 */ 321 vtrans(filed.fd_cdir, CDIR, FREAD); 322 /* 323 * ktrace vnode, if one 324 */ 325 if (p->p_tracep) 326 vtrans(p->p_tracep, TRACE, FREAD|FWRITE); 327 /* 328 * open files 329 */ 330 #define FPSIZE (sizeof (struct file *)) 331 ALLOC_OFILES(filed.fd_lastfile+1); 332 if (filed.fd_nfiles > NDFILE) { 333 if (!KVM_READ(filed.fd_ofiles, ofiles, 334 (filed.fd_lastfile+1) * FPSIZE)) { 335 dprintf("can't read file structures at %p for pid %d", 336 filed.fd_ofiles, Pid); 337 return; 338 } 339 } else 340 memmove(ofiles, filed0.fd_dfiles, 341 (filed.fd_lastfile+1) * FPSIZE); 342 for (i = 0; i <= filed.fd_lastfile; i++) { 343 if (ofiles[i] == NULL) 344 continue; 345 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 346 dprintf("can't read file %d at %p for pid %d", 347 i, ofiles[i], Pid); 348 continue; 349 } 350 if (file.f_type == DTYPE_VNODE) 351 vtrans((struct vnode *)file.f_data, i, file.f_flag); 352 else if (file.f_type == DTYPE_SOCKET) { 353 if (checkfile == 0) 354 socktrans((struct socket *)file.f_data, i); 355 } 356 else { 357 dprintf("unknown file type %d for file %d of pid %d", 358 file.f_type, i, Pid); 359 } 360 } 361 } 362 363 void 364 vtrans(vp, i, flag) 365 struct vnode *vp; 366 int i; 367 int flag; 368 { 369 struct vnode vn; 370 struct filestat fst; 371 char mode[15], rw[3]; 372 char *badtype = NULL, *filename; 373 374 filename = badtype = NULL; 375 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 376 dprintf("can't read vnode at %p for pid %d", vp, Pid); 377 return; 378 } 379 if (vn.v_type == VNON || vn.v_tag == VT_NON) 380 badtype = "none"; 381 else if (vn.v_type == VBAD) 382 badtype = "bad"; 383 else 384 switch (vn.v_tag) { 385 case VT_UFS: 386 if (!ufs_filestat(&vn, &fst)) 387 badtype = "error"; 388 break; 389 case VT_MFS: 390 if (!ufs_filestat(&vn, &fst)) 391 badtype = "error"; 392 break; 393 case VT_NFS: 394 if (!nfs_filestat(&vn, &fst)) 395 badtype = "error"; 396 break; 397 case VT_EXT2FS: 398 if (!ext2fs_filestat(&vn, &fst)) 399 badtype = "error"; 400 break; 401 case VT_ISOFS: 402 if (!isofs_filestat(&vn, &fst)) 403 badtype = "error"; 404 break; 405 default: { 406 static char unknown[10]; 407 (void)snprintf(badtype = unknown, sizeof unknown, 408 "?(%x)", vn.v_tag); 409 break;; 410 } 411 } 412 if (checkfile) { 413 int fsmatch = 0; 414 DEVS *d; 415 416 if (badtype) 417 return; 418 for (d = devs; d != NULL; d = d->next) 419 if (d->fsid == fst.fsid) { 420 fsmatch = 1; 421 if (d->ino == fst.fileid) { 422 filename = d->name; 423 break; 424 } 425 } 426 if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 427 return; 428 } 429 PREFIX(i); 430 if (badtype) { 431 (void)printf(" - - %10s -\n", badtype); 432 return; 433 } 434 if (nflg) 435 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 436 else 437 (void)printf(" %-8s", getmnton(vn.v_mount)); 438 if (nflg) 439 (void)snprintf(mode, sizeof mode, "%o", fst.mode); 440 else 441 strmode(fst.mode, mode); 442 (void)printf(" %6ld %10s", (long)fst.fileid, mode); 443 switch (vn.v_type) { 444 case VBLK: 445 case VCHR: { 446 char *name; 447 448 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 449 S_IFCHR : S_IFBLK)) == NULL)) 450 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 451 else 452 printf(" %6s", name); 453 break; 454 } 455 default: 456 printf(" %6qd", (long long)fst.size); 457 } 458 rw[0] = '\0'; 459 if (flag & FREAD) 460 strcat(rw, "r"); 461 if (flag & FWRITE) 462 strcat(rw, "w"); 463 printf(" %-2s", rw); 464 if (filename && !fsflg) 465 printf(" %s", filename); 466 putchar('\n'); 467 } 468 469 int 470 ufs_filestat(vp, fsp) 471 struct vnode *vp; 472 struct filestat *fsp; 473 { 474 struct inode inode; 475 476 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 477 dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid); 478 return 0; 479 } 480 fsp->fsid = inode.i_dev & 0xffff; 481 fsp->fileid = (long)inode.i_number; 482 fsp->mode = (mode_t)inode.i_ffs_mode; 483 fsp->size = inode.i_ffs_size; 484 fsp->rdev = inode.i_ffs_rdev; 485 486 return 1; 487 } 488 489 int 490 ext2fs_filestat(vp, fsp) 491 struct vnode *vp; 492 struct filestat *fsp; 493 { 494 struct inode inode; 495 496 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 497 dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid); 498 return 0; 499 } 500 fsp->fsid = inode.i_dev & 0xffff; 501 fsp->fileid = (long)inode.i_number; 502 fsp->mode = (mode_t)inode.i_e2fs_mode; 503 fsp->size = inode.i_e2fs_size; 504 fsp->rdev = 0; /* XXX */ 505 return 1; 506 } 507 508 int 509 nfs_filestat(vp, fsp) 510 struct vnode *vp; 511 struct filestat *fsp; 512 { 513 struct nfsnode nfsnode; 514 struct vattr va; 515 mode_t mode; 516 517 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 518 dprintf("can't read nfsnode at %p for pid %d", VTONFS(vp), 519 Pid); 520 return 0; 521 } 522 if (!KVM_READ(nfsnode.n_vattr, &va, sizeof(va))) { 523 dprintf("can't read vnode attributes at %p for pid %d", 524 nfsnode.n_vattr, Pid); 525 return 0; 526 } 527 fsp->fsid = va.va_fsid; 528 fsp->fileid = va.va_fileid; 529 fsp->size = nfsnode.n_size; 530 fsp->rdev = va.va_rdev; 531 mode = (mode_t)va.va_mode; 532 switch (vp->v_type) { 533 case VREG: 534 mode |= S_IFREG; 535 break; 536 case VDIR: 537 mode |= S_IFDIR; 538 break; 539 case VBLK: 540 mode |= S_IFBLK; 541 break; 542 case VCHR: 543 mode |= S_IFCHR; 544 break; 545 case VLNK: 546 mode |= S_IFLNK; 547 break; 548 case VSOCK: 549 mode |= S_IFSOCK; 550 break; 551 case VFIFO: 552 mode |= S_IFIFO; 553 break; 554 default: 555 break; 556 }; 557 fsp->mode = mode; 558 559 return 1; 560 } 561 562 563 char * 564 getmnton(m) 565 struct mount *m; 566 { 567 static struct mount mount; 568 static struct mtab { 569 struct mtab *next; 570 struct mount *m; 571 char mntonname[MNAMELEN]; 572 } *mhead = NULL; 573 struct mtab *mt; 574 575 for (mt = mhead; mt != NULL; mt = mt->next) 576 if (m == mt->m) 577 return (mt->mntonname); 578 if (!KVM_READ(m, &mount, sizeof(struct mount))) { 579 warnx("can't read mount table at %p", m); 580 return (NULL); 581 } 582 if ((mt = malloc(sizeof (struct mtab))) == NULL) { 583 err(1, "malloc(%u)", (unsigned int)sizeof(struct mtab)); 584 } 585 mt->m = m; 586 memmove(&mt->mntonname[0], &mount.mnt_stat.f_mntonname[0], MNAMELEN); 587 mt->next = mhead; 588 mhead = mt; 589 return (mt->mntonname); 590 } 591 592 void 593 socktrans(sock, i) 594 struct socket *sock; 595 int i; 596 { 597 static char *stypename[] = { 598 "unused", /* 0 */ 599 "stream", /* 1 */ 600 "dgram", /* 2 */ 601 "raw", /* 3 */ 602 "rdm", /* 4 */ 603 "seqpak" /* 5 */ 604 }; 605 #define STYPEMAX 5 606 struct socket so; 607 struct protosw proto; 608 struct domain dom; 609 struct inpcb inpcb; 610 struct unpcb unpcb; 611 int len; 612 char dname[32]; 613 614 PREFIX(i); 615 616 /* fill in socket */ 617 if (!KVM_READ(sock, &so, sizeof(struct socket))) { 618 dprintf("can't read sock at %p", sock); 619 goto bad; 620 } 621 622 /* fill in protosw entry */ 623 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 624 dprintf("can't read protosw at %p", so.so_proto); 625 goto bad; 626 } 627 628 /* fill in domain */ 629 if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 630 dprintf("can't read domain at %p", proto.pr_domain); 631 goto bad; 632 } 633 634 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 635 sizeof(dname) - 1)) != sizeof(dname) -1) { 636 dprintf("can't read domain name at %p", dom.dom_name); 637 dname[0] = '\0'; 638 } 639 else 640 dname[len] = '\0'; 641 642 if ((u_short)so.so_type > STYPEMAX) 643 printf("* %s ?%d", dname, so.so_type); 644 else 645 printf("* %s %s", dname, stypename[so.so_type]); 646 647 /* 648 * protocol specific formatting 649 * 650 * Try to find interesting things to print. For TCP, the interesting 651 * thing is the address of the tcpcb, for UDP and others, just the 652 * inpcb (socket pcb). For UNIX domain, its the address of the socket 653 * pcb and the address of the connected pcb (if connected). Otherwise 654 * just print the protocol number and address of the socket itself. 655 * The idea is not to duplicate netstat, but to make available enough 656 * information for further analysis. 657 */ 658 switch(dom.dom_family) { 659 case AF_INET: 660 getinetproto(proto.pr_protocol); 661 if (proto.pr_protocol == IPPROTO_TCP) { 662 if (so.so_pcb == NULL) 663 break; 664 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb, 665 sizeof(struct inpcb)) != sizeof(struct inpcb)) { 666 dprintf("can't read inpcb at %p", so.so_pcb); 667 goto bad; 668 } 669 printf(" %lx", (long)inpcb.inp_ppcb); 670 printf(" %s:%d", 671 inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" : 672 inet_ntoa(inpcb.inp_laddr), ntohs(inpcb.inp_lport)); 673 if (inpcb.inp_fport) { 674 printf(" <-> "); 675 printf("%s:%d", 676 inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" : 677 inet_ntoa(inpcb.inp_faddr), 678 ntohs(inpcb.inp_fport)); 679 } 680 } else if (proto.pr_protocol == IPPROTO_UDP) { 681 if (so.so_pcb == NULL) 682 break; 683 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb, 684 sizeof(struct inpcb)) != sizeof(struct inpcb)) { 685 dprintf("can't read inpcb at %p", so.so_pcb); 686 goto bad; 687 } 688 printf(" %lx", (long)so.so_pcb); 689 printf(" %s:%d", 690 inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" : 691 inet_ntoa(inpcb.inp_laddr), ntohs(inpcb.inp_lport)); 692 if (inpcb.inp_fport) 693 printf(" <-> %s:%d", 694 inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" : 695 inet_ntoa(inpcb.inp_faddr), 696 ntohs(inpcb.inp_fport)); 697 } else if (so.so_pcb) 698 printf(" %lx", (long)so.so_pcb); 699 break; 700 case AF_LOCAL: 701 /* print address of pcb and connected pcb */ 702 if (so.so_pcb) { 703 printf(" %lx", (long)so.so_pcb); 704 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 705 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 706 dprintf("can't read unpcb at %p", so.so_pcb); 707 goto bad; 708 } 709 if (unpcb.unp_conn) { 710 char shoconn[4], *cp; 711 712 cp = shoconn; 713 if (!(so.so_state & SS_CANTRCVMORE)) 714 *cp++ = '<'; 715 *cp++ = '-'; 716 if (!(so.so_state & SS_CANTSENDMORE)) 717 *cp++ = '>'; 718 *cp = '\0'; 719 printf(" %s %lx", shoconn, 720 (long)unpcb.unp_conn); 721 } 722 } 723 break; 724 default: 725 /* print protocol number and socket address */ 726 printf(" %d %lx", proto.pr_protocol, (long)sock); 727 } 728 printf("\n"); 729 return; 730 bad: 731 printf("* error\n"); 732 } 733 734 /* 735 * getinetproto -- 736 * print name of protocol number 737 */ 738 void 739 getinetproto(number) 740 int number; 741 { 742 char *cp; 743 744 switch (number) { 745 case IPPROTO_IP: 746 cp = "ip"; break; 747 case IPPROTO_ICMP: 748 cp ="icmp"; break; 749 case IPPROTO_GGP: 750 cp ="ggp"; break; 751 case IPPROTO_TCP: 752 cp ="tcp"; break; 753 case IPPROTO_EGP: 754 cp ="egp"; break; 755 case IPPROTO_PUP: 756 cp ="pup"; break; 757 case IPPROTO_UDP: 758 cp ="udp"; break; 759 case IPPROTO_IDP: 760 cp ="idp"; break; 761 case IPPROTO_RAW: 762 cp ="raw"; break; 763 default: 764 printf(" %d", number); 765 return; 766 } 767 printf(" %s", cp); 768 } 769 770 int 771 getfname(filename) 772 char *filename; 773 { 774 struct stat statbuf; 775 DEVS *cur; 776 777 if (stat(filename, &statbuf)) { 778 warn("stat(%s)", filename); 779 return(0); 780 } 781 if ((cur = malloc(sizeof(DEVS))) == NULL) { 782 err(1, "malloc(%u)", (unsigned int)sizeof(DEVS)); 783 } 784 cur->next = devs; 785 devs = cur; 786 787 cur->ino = statbuf.st_ino; 788 cur->fsid = statbuf.st_dev & 0xffff; 789 cur->name = filename; 790 return(1); 791 } 792 793 void 794 usage() 795 { 796 errx(1, 797 "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 798 } 799
Indexes created Fri Sep 26 08:10:20 GMT 2025