fstat.c revision 1.40
1 /* $NetBSD: fstat.c,v 1.40 2000/02/04 10:35:46 jdolecek 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 1.40 2000/02/04 10:35:46 jdolecek 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 #define _LKM 65 #include <sys/file.h> 66 #include <ufs/ufs/quota.h> 67 #include <ufs/ufs/inode.h> 68 #undef _LKM 69 #undef _KERNEL 70 #define NFS 71 #include <sys/mount.h> 72 #include <nfs/nfsproto.h> 73 #include <nfs/rpcv2.h> 74 #include <nfs/nfs.h> 75 #include <nfs/nfsnode.h> 76 #undef NFS 77 78 #include <net/route.h> 79 #include <netinet/in.h> 80 #include <netinet/in_systm.h> 81 #include <netinet/ip.h> 82 #include <netinet/in_pcb.h> 83 84 #ifdef INET6 85 #include <netinet/ip6.h> 86 #include <netinet6/ip6_var.h> 87 #include <netinet6/in6_pcb.h> 88 #endif 89 90 #include <netdb.h> 91 #include <arpa/inet.h> 92 93 #include <ctype.h> 94 #include <errno.h> 95 #include <kvm.h> 96 #include <limits.h> 97 #include <nlist.h> 98 #include <paths.h> 99 #include <pwd.h> 100 #include <stdio.h> 101 #include <stdlib.h> 102 #include <string.h> 103 #include <unistd.h> 104 #include <err.h> 105 106 #include "fstat.h" 107 108 #define TEXT -1 109 #define CDIR -2 110 #define RDIR -3 111 #define TRACE -4 112 113 typedef struct devs { 114 struct devs *next; 115 long fsid; 116 ino_t ino; 117 char *name; 118 } DEVS; 119 DEVS *devs; 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 struct file **ofiles; /* buffer of pointers to file structures */ 129 int maxfiles; 130 #define ALLOC_OFILES(d) \ 131 if ((d) > maxfiles) { \ 132 free(ofiles); \ 133 ofiles = malloc((d) * sizeof(struct file *)); \ 134 if (ofiles == NULL) { \ 135 err(1, "malloc(%u)", (d) * \ 136 (unsigned int)sizeof(struct file *)); \ 137 } \ 138 maxfiles = (d); \ 139 } 140 141 kvm_t *kd; 142 143 void dofiles __P((struct kinfo_proc *)); 144 int ext2fs_filestat __P((struct vnode *, struct filestat *)); 145 int getfname __P((char *)); 146 void getinetproto __P((int)); 147 char *getmnton __P((struct mount *)); 148 int main __P((int, char **)); 149 int nfs_filestat __P((struct vnode *, struct filestat *)); 150 #ifdef INET6 151 static const char *inet6_addrstr __P((struct in6_addr *)); 152 #endif 153 void socktrans __P((struct socket *, int)); 154 int ufs_filestat __P((struct vnode *, struct filestat *)); 155 void usage __P((void)); 156 void vtrans __P((struct vnode *, int, int)); 157 158 int 159 main(argc, argv) 160 int argc; 161 char **argv; 162 { 163 struct passwd *passwd; 164 struct kinfo_proc *p, *plast; 165 int arg, ch, what; 166 char *memf, *nlistf; 167 char buf[_POSIX2_LINE_MAX]; 168 int cnt; 169 gid_t egid = getegid(); 170 171 (void)setegid(getgid()); 172 arg = 0; 173 what = KERN_PROC_ALL; 174 nlistf = memf = NULL; 175 while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1) 176 switch((char)ch) { 177 case 'f': 178 fsflg = 1; 179 break; 180 case 'M': 181 memf = optarg; 182 break; 183 case 'N': 184 nlistf = optarg; 185 break; 186 case 'n': 187 nflg = 1; 188 break; 189 case 'p': 190 if (pflg++) 191 usage(); 192 if (!isdigit(*optarg)) { 193 warnx("-p requires a process id"); 194 usage(); 195 } 196 what = KERN_PROC_PID; 197 arg = atoi(optarg); 198 break; 199 case 'u': 200 if (uflg++) 201 usage(); 202 if (!(passwd = getpwnam(optarg))) { 203 errx(1, "%s: unknown uid", optarg); 204 } 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, we toss 236 * them away totally so that bad guys can't print interesting stuff 237 * from kernel memory, otherwise switch back to kmem for the 238 * duration of the kvm_openfiles() call. 239 */ 240 if (nlistf != NULL || memf != NULL) 241 (void)setgid(getgid()); 242 else 243 (void)setegid(egid); 244 245 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 246 errx(1, "%s", buf); 247 248 /* get rid of it now anyway */ 249 if (nlistf == NULL && memf == NULL) 250 (void)setgid(getgid()); 251 252 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) { 253 errx(1, "%s", kvm_geterr(kd)); 254 } 255 if (nflg) 256 printf("%s", 257 "USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 258 else 259 printf("%s", 260 "USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 261 if (checkfile && fsflg == 0) 262 printf(" NAME\n"); 263 else 264 putchar('\n'); 265 266 for (plast = &p[cnt]; p < plast; ++p) { 267 if (p->kp_proc.p_stat == SZOMB) 268 continue; 269 dofiles(p); 270 } 271 exit(0); 272 } 273 274 const char *Uname, *Comm; 275 pid_t Pid; 276 277 #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 278 switch(i) { \ 279 case TEXT: \ 280 printf(" text"); \ 281 break; \ 282 case CDIR: \ 283 printf(" wd"); \ 284 break; \ 285 case RDIR: \ 286 printf(" root"); \ 287 break; \ 288 case TRACE: \ 289 printf(" tr"); \ 290 break; \ 291 default: \ 292 printf(" %4d", i); \ 293 break; \ 294 } 295 296 /* 297 * print open files attributed to this process 298 */ 299 void 300 dofiles(kp) 301 struct kinfo_proc *kp; 302 { 303 int i; 304 struct file file; 305 struct filedesc0 filed0; 306 #define filed filed0.fd_fd 307 struct cwdinfo cwdi; 308 struct proc *p = &kp->kp_proc; 309 struct eproc *ep = &kp->kp_eproc; 310 311 Uname = user_from_uid(ep->e_ucred.cr_uid, 0); 312 Pid = p->p_pid; 313 Comm = p->p_comm; 314 315 if (p->p_fd == NULL || p->p_cwdi == NULL) 316 return; 317 if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { 318 warnx("can't read filedesc at %p for pid %d", p->p_fd, Pid); 319 return; 320 } 321 if (!KVM_READ(p->p_cwdi, &cwdi, sizeof(cwdi))) { 322 warnx("can't read cwdinfo at %p for pid %d", p->p_cwdi, Pid); 323 return; 324 } 325 if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles || 326 filed.fd_freefile > filed.fd_lastfile + 1) { 327 dprintf("filedesc corrupted at %p for pid %d", p->p_fd, Pid); 328 return; 329 } 330 /* 331 * root directory vnode, if one 332 */ 333 if (cwdi.cwdi_rdir) 334 vtrans(cwdi.cwdi_rdir, RDIR, FREAD); 335 /* 336 * current working directory vnode 337 */ 338 vtrans(cwdi.cwdi_cdir, CDIR, FREAD); 339 /* 340 * ktrace vnode, if one 341 */ 342 if (p->p_tracep) 343 vtrans(p->p_tracep, TRACE, FREAD|FWRITE); 344 /* 345 * open files 346 */ 347 #define FPSIZE (sizeof (struct file *)) 348 ALLOC_OFILES(filed.fd_lastfile+1); 349 if (filed.fd_nfiles > NDFILE) { 350 if (!KVM_READ(filed.fd_ofiles, ofiles, 351 (filed.fd_lastfile+1) * FPSIZE)) { 352 dprintf("can't read file structures at %p for pid %d", 353 filed.fd_ofiles, Pid); 354 return; 355 } 356 } else 357 memmove(ofiles, filed0.fd_dfiles, 358 (filed.fd_lastfile+1) * FPSIZE); 359 for (i = 0; i <= filed.fd_lastfile; i++) { 360 if (ofiles[i] == NULL) 361 continue; 362 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 363 dprintf("can't read file %d at %p for pid %d", 364 i, ofiles[i], Pid); 365 continue; 366 } 367 if (file.f_type == DTYPE_VNODE) 368 vtrans((struct vnode *)file.f_data, i, file.f_flag); 369 else if (file.f_type == DTYPE_SOCKET) { 370 if (checkfile == 0) 371 socktrans((struct socket *)file.f_data, i); 372 } 373 else { 374 dprintf("unknown file type %d for file %d of pid %d", 375 file.f_type, i, Pid); 376 } 377 } 378 } 379 380 void 381 vtrans(vp, i, flag) 382 struct vnode *vp; 383 int i; 384 int flag; 385 { 386 struct vnode vn; 387 struct filestat fst; 388 char mode[15], rw[3]; 389 char *badtype = NULL, *filename; 390 391 filename = badtype = NULL; 392 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 393 dprintf("can't read vnode at %p for pid %d", vp, Pid); 394 return; 395 } 396 if (vn.v_type == VNON || vn.v_tag == VT_NON) 397 badtype = "none"; 398 else if (vn.v_type == VBAD) 399 badtype = "bad"; 400 else 401 switch (vn.v_tag) { 402 case VT_UFS: 403 if (!ufs_filestat(&vn, &fst)) 404 badtype = "error"; 405 break; 406 case VT_MFS: 407 if (!ufs_filestat(&vn, &fst)) 408 badtype = "error"; 409 break; 410 case VT_NFS: 411 if (!nfs_filestat(&vn, &fst)) 412 badtype = "error"; 413 break; 414 case VT_EXT2FS: 415 if (!ext2fs_filestat(&vn, &fst)) 416 badtype = "error"; 417 break; 418 case VT_ISOFS: 419 if (!isofs_filestat(&vn, &fst)) 420 badtype = "error"; 421 break; 422 case VT_NTFS: 423 if (!ntfs_filestat(&vn, &fst)) 424 badtype = "error"; 425 break; 426 default: { 427 static char unknown[10]; 428 (void)snprintf(badtype = unknown, sizeof unknown, 429 "?(%x)", vn.v_tag); 430 break;; 431 } 432 } 433 if (checkfile) { 434 int fsmatch = 0; 435 DEVS *d; 436 437 if (badtype) 438 return; 439 for (d = devs; d != NULL; d = d->next) 440 if (d->fsid == fst.fsid) { 441 fsmatch = 1; 442 if (d->ino == fst.fileid) { 443 filename = d->name; 444 break; 445 } 446 } 447 if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 448 return; 449 } 450 PREFIX(i); 451 if (badtype) { 452 (void)printf(" - - %10s -\n", badtype); 453 return; 454 } 455 if (nflg) 456 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 457 else 458 (void)printf(" %-8s", getmnton(vn.v_mount)); 459 if (nflg) 460 (void)snprintf(mode, sizeof mode, "%o", fst.mode); 461 else 462 strmode(fst.mode, mode); 463 (void)printf(" %6ld %10s", (long)fst.fileid, mode); 464 switch (vn.v_type) { 465 case VBLK: 466 case VCHR: { 467 char *name; 468 469 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 470 S_IFCHR : S_IFBLK)) == NULL)) 471 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 472 else 473 printf(" %6s", name); 474 break; 475 } 476 default: 477 printf(" %6qd", (long long)fst.size); 478 } 479 rw[0] = '\0'; 480 if (flag & FREAD) 481 strcat(rw, "r"); 482 if (flag & FWRITE) 483 strcat(rw, "w"); 484 printf(" %-2s", rw); 485 if (filename && !fsflg) 486 printf(" %s", filename); 487 putchar('\n'); 488 } 489 490 int 491 ufs_filestat(vp, fsp) 492 struct vnode *vp; 493 struct filestat *fsp; 494 { 495 struct inode inode; 496 497 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 498 dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid); 499 return 0; 500 } 501 fsp->fsid = inode.i_dev & 0xffff; 502 fsp->fileid = (long)inode.i_number; 503 fsp->mode = (mode_t)inode.i_ffs_mode; 504 fsp->size = inode.i_ffs_size; 505 fsp->rdev = inode.i_ffs_rdev; 506 507 return 1; 508 } 509 510 int 511 ext2fs_filestat(vp, fsp) 512 struct vnode *vp; 513 struct filestat *fsp; 514 { 515 struct inode inode; 516 517 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 518 dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid); 519 return 0; 520 } 521 fsp->fsid = inode.i_dev & 0xffff; 522 fsp->fileid = (long)inode.i_number; 523 fsp->mode = (mode_t)inode.i_e2fs_mode; 524 fsp->size = inode.i_e2fs_size; 525 fsp->rdev = 0; /* XXX */ 526 return 1; 527 } 528 529 int 530 nfs_filestat(vp, fsp) 531 struct vnode *vp; 532 struct filestat *fsp; 533 { 534 struct nfsnode nfsnode; 535 struct vattr va; 536 537 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 538 dprintf("can't read nfsnode at %p for pid %d", VTONFS(vp), 539 Pid); 540 return 0; 541 } 542 if (!KVM_READ(nfsnode.n_vattr, &va, sizeof(va))) { 543 dprintf("can't read vnode attributes at %p for pid %d", 544 nfsnode.n_vattr, Pid); 545 return 0; 546 } 547 fsp->fsid = va.va_fsid; 548 fsp->fileid = va.va_fileid; 549 fsp->size = nfsnode.n_size; 550 fsp->rdev = va.va_rdev; 551 fsp->mode = (mode_t)va.va_mode | getftype(vp->v_type); 552 553 return 1; 554 } 555 556 557 char * 558 getmnton(m) 559 struct mount *m; 560 { 561 static struct mount mount; 562 static struct mtab { 563 struct mtab *next; 564 struct mount *m; 565 char mntonname[MNAMELEN]; 566 } *mhead = NULL; 567 struct mtab *mt; 568 569 for (mt = mhead; mt != NULL; mt = mt->next) 570 if (m == mt->m) 571 return (mt->mntonname); 572 if (!KVM_READ(m, &mount, sizeof(struct mount))) { 573 warnx("can't read mount table at %p", m); 574 return (NULL); 575 } 576 if ((mt = malloc(sizeof (struct mtab))) == NULL) { 577 err(1, "malloc(%u)", (unsigned int)sizeof(struct mtab)); 578 } 579 mt->m = m; 580 memmove(&mt->mntonname[0], &mount.mnt_stat.f_mntonname[0], MNAMELEN); 581 mt->next = mhead; 582 mhead = mt; 583 return (mt->mntonname); 584 } 585 586 #ifdef INET6 587 static const char * 588 inet6_addrstr(p) 589 struct in6_addr *p; 590 { 591 struct sockaddr_in6 sin6; 592 static char hbuf[NI_MAXHOST]; 593 #ifdef NI_WITHSCOPEID 594 const int niflags = NI_NUMERICHOST | NI_WITHSCOPEID; 595 #else 596 const int niflags = NI_NUMERICHOST; 597 #endif 598 599 memset(&sin6, 0, sizeof(sin6)); 600 sin6.sin6_family = AF_INET6; 601 sin6.sin6_len = sizeof(struct sockaddr_in6); 602 sin6.sin6_addr = *p; 603 if (IN6_IS_ADDR_LINKLOCAL(p) && 604 *(u_int16_t *)&sin6.sin6_addr.s6_addr[2] != 0) { 605 sin6.sin6_scope_id = 606 ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]); 607 sin6.sin6_addr.s6_addr[2] = sin6.sin6_addr.s6_addr[3] = 0; 608 } 609 610 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 611 hbuf, sizeof(hbuf), NULL, 0, niflags)) 612 return "invalid"; 613 614 return hbuf; 615 } 616 #endif 617 618 void 619 socktrans(sock, i) 620 struct socket *sock; 621 int i; 622 { 623 static char *stypename[] = { 624 "unused", /* 0 */ 625 "stream", /* 1 */ 626 "dgram", /* 2 */ 627 "raw", /* 3 */ 628 "rdm", /* 4 */ 629 "seqpak" /* 5 */ 630 }; 631 #define STYPEMAX 5 632 struct socket so; 633 struct protosw proto; 634 struct domain dom; 635 struct inpcb inpcb; 636 #ifdef INET6 637 struct in6pcb in6pcb; 638 #endif 639 struct unpcb unpcb; 640 int len; 641 char dname[32]; 642 #ifdef INET6 643 char xaddrbuf[NI_MAXHOST + 2]; 644 #endif 645 646 PREFIX(i); 647 648 /* fill in socket */ 649 if (!KVM_READ(sock, &so, sizeof(struct socket))) { 650 dprintf("can't read sock at %p", sock); 651 goto bad; 652 } 653 654 /* fill in protosw entry */ 655 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 656 dprintf("can't read protosw at %p", 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("can't read domain at %p", proto.pr_domain); 663 goto bad; 664 } 665 666 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 667 sizeof(dname) - 1)) != sizeof(dname) -1) { 668 dprintf("can't read domain name at %p", dom.dom_name); 669 dname[0] = '\0'; 670 } 671 else 672 dname[len] = '\0'; 673 674 if ((u_short)so.so_type > STYPEMAX) 675 printf("* %s ?%d", dname, so.so_type); 676 else 677 printf("* %s %s", dname, stypename[so.so_type]); 678 679 /* 680 * protocol specific formatting 681 * 682 * Try to find interesting things to print. For TCP, the interesting 683 * thing is the address of the tcpcb, for UDP and others, just the 684 * inpcb (socket pcb). For UNIX domain, its the address of the socket 685 * pcb and the address of the connected pcb (if connected). Otherwise 686 * just print the protocol number and address of the socket itself. 687 * The idea is not to duplicate netstat, but to make available enough 688 * information for further analysis. 689 */ 690 switch(dom.dom_family) { 691 case AF_INET: 692 getinetproto(proto.pr_protocol); 693 if (proto.pr_protocol == IPPROTO_TCP) { 694 if (so.so_pcb == NULL) 695 break; 696 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb, 697 sizeof(struct inpcb)) != sizeof(struct inpcb)) { 698 dprintf("can't read inpcb at %p", so.so_pcb); 699 goto bad; 700 } 701 printf(" %lx", (long)inpcb.inp_ppcb); 702 printf(" %s:%d", 703 inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" : 704 inet_ntoa(inpcb.inp_laddr), ntohs(inpcb.inp_lport)); 705 if (inpcb.inp_fport) { 706 printf(" <-> %s:%d", 707 inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" : 708 inet_ntoa(inpcb.inp_faddr), 709 ntohs(inpcb.inp_fport)); 710 } 711 } else if (proto.pr_protocol == IPPROTO_UDP) { 712 if (so.so_pcb == NULL) 713 break; 714 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb, 715 sizeof(struct inpcb)) != sizeof(struct inpcb)) { 716 dprintf("can't read inpcb at %p", so.so_pcb); 717 goto bad; 718 } 719 printf(" %lx", (long)so.so_pcb); 720 printf(" %s:%d", 721 inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" : 722 inet_ntoa(inpcb.inp_laddr), ntohs(inpcb.inp_lport)); 723 if (inpcb.inp_fport) 724 printf(" <-> %s:%d", 725 inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" : 726 inet_ntoa(inpcb.inp_faddr), 727 ntohs(inpcb.inp_fport)); 728 } else if (so.so_pcb) 729 printf(" %lx", (long)so.so_pcb); 730 break; 731 #ifdef INET6 732 case AF_INET6: 733 getinetproto(proto.pr_protocol); 734 if (proto.pr_protocol == IPPROTO_TCP) { 735 if (so.so_pcb == NULL) 736 break; 737 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&in6pcb, 738 sizeof(struct in6pcb)) != sizeof(struct in6pcb)) { 739 dprintf("can't read in6pcb at %p", so.so_pcb); 740 goto bad; 741 } 742 printf(" %lx", (long)in6pcb.in6p_ppcb); 743 sprintf(xaddrbuf, "[%s]", 744 inet6_addrstr(&in6pcb.in6p_laddr)); 745 printf(" %s:%d", 746 IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr) ? "*" : 747 xaddrbuf, 748 ntohs(in6pcb.in6p_lport)); 749 if (in6pcb.in6p_fport) { 750 sprintf(xaddrbuf, "[%s]", 751 inet6_addrstr(&in6pcb.in6p_faddr)); 752 printf(" <-> %s:%d", 753 IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_faddr) ? "*" : 754 xaddrbuf, 755 ntohs(in6pcb.in6p_fport)); 756 } 757 } else if (proto.pr_protocol == IPPROTO_UDP) { 758 if (so.so_pcb == NULL) 759 break; 760 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&in6pcb, 761 sizeof(struct in6pcb)) != sizeof(struct in6pcb)) { 762 dprintf("can't read inpcb at %p", so.so_pcb); 763 goto bad; 764 } 765 printf(" %lx", (long)so.so_pcb); 766 sprintf(xaddrbuf, "[%s]", 767 inet6_addrstr(&in6pcb.in6p_laddr)); 768 printf(" %s:%d", 769 IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr) ? "*" : 770 xaddrbuf, 771 ntohs(in6pcb.in6p_lport)); 772 if (in6pcb.in6p_fport) { 773 sprintf(xaddrbuf, "[%s]", 774 inet6_addrstr(&in6pcb.in6p_faddr)); 775 printf(" <-> %s:%d", 776 IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_faddr) ? "*" : 777 xaddrbuf, 778 ntohs(in6pcb.in6p_fport)); 779 } 780 } else if (so.so_pcb) 781 printf(" %lx", (long)so.so_pcb); 782 break; 783 #endif 784 case AF_LOCAL: 785 /* print address of pcb and connected pcb */ 786 if (so.so_pcb) { 787 printf(" %lx", (long)so.so_pcb); 788 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 789 sizeof(struct unpcb)) != sizeof(struct unpcb)){ 790 dprintf("can't read unpcb at %p", so.so_pcb); 791 goto bad; 792 } 793 if (unpcb.unp_conn) { 794 char shoconn[4], *cp; 795 796 cp = shoconn; 797 if (!(so.so_state & SS_CANTRCVMORE)) 798 *cp++ = '<'; 799 *cp++ = '-'; 800 if (!(so.so_state & SS_CANTSENDMORE)) 801 *cp++ = '>'; 802 *cp = '\0'; 803 printf(" %s %lx", shoconn, 804 (long)unpcb.unp_conn); 805 } 806 } 807 break; 808 default: 809 /* print protocol number and socket address */ 810 printf(" %d %lx", proto.pr_protocol, (long)sock); 811 } 812 printf("\n"); 813 return; 814 bad: 815 printf("* error\n"); 816 } 817 818 /* 819 * getinetproto -- 820 * print name of protocol number 821 */ 822 void 823 getinetproto(number) 824 int number; 825 { 826 char *cp; 827 828 switch (number) { 829 case IPPROTO_IP: 830 cp = "ip"; break; 831 case IPPROTO_ICMP: 832 cp ="icmp"; break; 833 case IPPROTO_GGP: 834 cp ="ggp"; break; 835 case IPPROTO_TCP: 836 cp ="tcp"; break; 837 case IPPROTO_EGP: 838 cp ="egp"; break; 839 case IPPROTO_PUP: 840 cp ="pup"; break; 841 case IPPROTO_UDP: 842 cp ="udp"; break; 843 case IPPROTO_IDP: 844 cp ="idp"; break; 845 case IPPROTO_RAW: 846 cp ="raw"; break; 847 case IPPROTO_ICMPV6: 848 cp ="icmp6"; break; 849 default: 850 printf(" %d", number); 851 return; 852 } 853 printf(" %s", cp); 854 } 855 856 int 857 getfname(filename) 858 char *filename; 859 { 860 struct stat statbuf; 861 DEVS *cur; 862 863 if (stat(filename, &statbuf)) { 864 warn("stat(%s)", filename); 865 return(0); 866 } 867 if ((cur = malloc(sizeof(DEVS))) == NULL) { 868 err(1, "malloc(%u)", (unsigned int)sizeof(DEVS)); 869 } 870 cur->next = devs; 871 devs = cur; 872 873 cur->ino = statbuf.st_ino; 874 cur->fsid = statbuf.st_dev & 0xffff; 875 cur->name = filename; 876 return(1); 877 } 878 879 mode_t 880 getftype(v_type) 881 enum vtype v_type; 882 { 883 mode_t ftype; 884 885 switch (v_type) { 886 case VREG: 887 ftype = S_IFREG; 888 break; 889 case VDIR: 890 ftype = S_IFDIR; 891 break; 892 case VBLK: 893 ftype = S_IFBLK; 894 break; 895 case VCHR: 896 ftype = S_IFCHR; 897 break; 898 case VLNK: 899 ftype = S_IFLNK; 900 break; 901 case VSOCK: 902 ftype = S_IFSOCK; 903 break; 904 case VFIFO: 905 ftype = S_IFIFO; 906 break; 907 default: 908 ftype = 0; 909 break; 910 }; 911 912 return ftype; 913 } 914 915 void 916 usage() 917 { 918 errx(1, 919 "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 920 } 921
Indexes created Tue Sep 23 07:09:52 GMT 2025