fstat.c revision 146466
11590Srgrimes/*- 21590Srgrimes * Copyright (c) 1988, 1993 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * Redistribution and use in source and binary forms, with or without 61590Srgrimes * modification, are permitted provided that the following conditions 71590Srgrimes * are met: 81590Srgrimes * 1. Redistributions of source code must retain the above copyright 91590Srgrimes * notice, this list of conditions and the following disclaimer. 101590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer in the 121590Srgrimes * documentation and/or other materials provided with the distribution. 131590Srgrimes * 3. All advertising materials mentioning features or use of this software 141590Srgrimes * must display the following acknowledgement: 151590Srgrimes * This product includes software developed by the University of 161590Srgrimes * California, Berkeley and its contributors. 171590Srgrimes * 4. Neither the name of the University nor the names of its contributors 181590Srgrimes * may be used to endorse or promote products derived from this software 191590Srgrimes * without specific prior written permission. 201590Srgrimes * 211590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311590Srgrimes * SUCH DAMAGE. 321590Srgrimes */ 331590Srgrimes 341590Srgrimes#ifndef lint 3527272Scharnierstatic const char copyright[] = 361590Srgrimes"@(#) Copyright (c) 1988, 1993\n\ 371590Srgrimes The Regents of the University of California. All rights reserved.\n"; 381590Srgrimes#endif /* not lint */ 391590Srgrimes 401590Srgrimes#ifndef lint 4127272Scharnier#if 0 4223693Speterstatic char sccsid[] = "@(#)fstat.c 8.3 (Berkeley) 5/2/95"; 4327272Scharnier#endif 441590Srgrimes#endif /* not lint */ 4599112Sobrien#include <sys/cdefs.h> 4699112Sobrien__FBSDID("$FreeBSD: head/usr.bin/fstat/fstat.c 146466 2005-05-21 09:55:10Z ru $"); 471590Srgrimes 481590Srgrimes#include <sys/param.h> 491590Srgrimes#include <sys/time.h> 501590Srgrimes#include <sys/proc.h> 511590Srgrimes#include <sys/user.h> 521590Srgrimes#include <sys/stat.h> 531590Srgrimes#include <sys/vnode.h> 541590Srgrimes#include <sys/socket.h> 551590Srgrimes#include <sys/socketvar.h> 561590Srgrimes#include <sys/domain.h> 571590Srgrimes#include <sys/protosw.h> 5836110Smarkm#include <sys/un.h> 591590Srgrimes#include <sys/unpcb.h> 601590Srgrimes#include <sys/sysctl.h> 611590Srgrimes#include <sys/filedesc.h> 627726Sdg#include <sys/queue.h> 63132477Ssilby#define _KERNEL 6417808Speter#include <sys/pipe.h> 6553133Sgreen#include <sys/conf.h> 661590Srgrimes#include <sys/file.h> 67101872Sbmilekic#include <sys/mount.h> 681590Srgrimes#include <ufs/ufs/quota.h> 691590Srgrimes#include <ufs/ufs/inode.h> 7088051Sgreen#include <fs/devfs/devfs.h> 7155206Speter#undef _KERNEL 729336Sdfr#include <nfs/nfsproto.h> 731590Srgrimes#include <nfs/rpcv2.h> 7483653Speter#include <nfsclient/nfs.h> 7583653Speter#include <nfsclient/nfsnode.h> 761590Srgrimes 7758125Sgreen 7859029Sgreen#include <vm/vm.h> 7959029Sgreen#include <vm/vm_map.h> 8059029Sgreen#include <vm/vm_object.h> 8159029Sgreen 821590Srgrimes#include <net/route.h> 831590Srgrimes#include <netinet/in.h> 841590Srgrimes#include <netinet/in_systm.h> 851590Srgrimes#include <netinet/ip.h> 861590Srgrimes#include <netinet/in_pcb.h> 871590Srgrimes 881590Srgrimes#include <ctype.h> 8927272Scharnier#include <err.h> 9018570Sbde#include <fcntl.h> 911590Srgrimes#include <kvm.h> 9223693Speter#include <limits.h> 931590Srgrimes#include <nlist.h> 941590Srgrimes#include <paths.h> 951590Srgrimes#include <pwd.h> 961590Srgrimes#include <stdio.h> 971590Srgrimes#include <stdlib.h> 981590Srgrimes#include <string.h> 9923693Speter#include <unistd.h> 10048463Sru#include <netdb.h> 1011590Srgrimes 10258125Sgreen#include "fstat.h" 10358125Sgreen 1041590Srgrimes#define TEXT -1 1051590Srgrimes#define CDIR -2 1061590Srgrimes#define RDIR -3 1071590Srgrimes#define TRACE -4 10859029Sgreen#define MMAP -5 109140958Sphk#define JDIR -6 1101590Srgrimes 1111590SrgrimesDEVS *devs; 1121590Srgrimes 1131590Srgrimes#ifdef notdef 1141590Srgrimesstruct nlist nl[] = { 1151590Srgrimes { "" }, 1161590Srgrimes}; 1171590Srgrimes#endif 1181590Srgrimes 1191590Srgrimesint fsflg, /* show files on same filesystem as file(s) argument */ 1201590Srgrimes pflg, /* show files open by a particular pid */ 1211590Srgrimes uflg; /* show files open by a particular (effective) user */ 1221590Srgrimesint checkfile; /* true if restricting to particular files or filesystems */ 1231590Srgrimesint nflg; /* (numerical) display f.s. and rdev as dev_t */ 1241590Srgrimesint vflg; /* display errors in locating kernel data objects etc... */ 12559029Sgreenint mflg; /* include memory-mapped files */ 1261590Srgrimes 1271590Srgrimes 1281590Srgrimesstruct file **ofiles; /* buffer of pointers to file structures */ 1291590Srgrimesint maxfiles; 1301590Srgrimes#define ALLOC_OFILES(d) \ 1311590Srgrimes if ((d) > maxfiles) { \ 1321590Srgrimes free(ofiles); \ 1331590Srgrimes ofiles = malloc((d) * sizeof(struct file *)); \ 1341590Srgrimes if (ofiles == NULL) { \ 13527272Scharnier err(1, NULL); \ 1361590Srgrimes } \ 1371590Srgrimes maxfiles = (d); \ 1381590Srgrimes } 1391590Srgrimes 14097946Sdeschar *memf, *nlistf; 1411590Srgrimeskvm_t *kd; 1421590Srgrimes 14397946Sdesstatic void fstat_kvm(int, int); 14497946Sdesstatic void fstat_sysctl(int, int); 14592920Simpvoid dofiles(struct kinfo_proc *kp); 14692920Simpvoid dommap(struct kinfo_proc *kp); 14792920Simpvoid vtrans(struct vnode *vp, int i, int flag); 14892920Simpint ufs_filestat(struct vnode *vp, struct filestat *fsp); 14992920Simpint nfs_filestat(struct vnode *vp, struct filestat *fsp); 15092920Simpint devfs_filestat(struct vnode *vp, struct filestat *fsp); 15192920Simpchar *getmnton(struct mount *m); 15292920Simpvoid pipetrans(struct pipe *pi, int i, int flag); 15392920Simpvoid socktrans(struct socket *sock, int i); 15492920Simpvoid getinetproto(int number); 15593427Sdwmaloneint getfname(const char *filename); 15692920Simpvoid usage(void); 1571590Srgrimes 15817808Speter 15917808Speterint 160131293Sdwmalonemain(int argc, char **argv) 1611590Srgrimes{ 16293427Sdwmalone struct passwd *passwd; 1631590Srgrimes int arg, ch, what; 1641590Srgrimes 1651590Srgrimes arg = 0; 1661590Srgrimes what = KERN_PROC_ALL; 1671590Srgrimes nlistf = memf = NULL; 16859029Sgreen while ((ch = getopt(argc, argv, "fmnp:u:vN:M:")) != -1) 1691590Srgrimes switch((char)ch) { 1701590Srgrimes case 'f': 1711590Srgrimes fsflg = 1; 1721590Srgrimes break; 1731590Srgrimes case 'M': 1741590Srgrimes memf = optarg; 1751590Srgrimes break; 1761590Srgrimes case 'N': 1771590Srgrimes nlistf = optarg; 1781590Srgrimes break; 17959029Sgreen case 'm': 18059029Sgreen mflg = 1; 18159029Sgreen break; 1821590Srgrimes case 'n': 1831590Srgrimes nflg = 1; 1841590Srgrimes break; 1851590Srgrimes case 'p': 1861590Srgrimes if (pflg++) 1871590Srgrimes usage(); 1881590Srgrimes if (!isdigit(*optarg)) { 18927311Scharnier warnx("-p requires a process id"); 1901590Srgrimes usage(); 1911590Srgrimes } 1921590Srgrimes what = KERN_PROC_PID; 1931590Srgrimes arg = atoi(optarg); 1941590Srgrimes break; 1951590Srgrimes case 'u': 1961590Srgrimes if (uflg++) 1971590Srgrimes usage(); 19827272Scharnier if (!(passwd = getpwnam(optarg))) 19927272Scharnier errx(1, "%s: unknown uid", optarg); 2001590Srgrimes what = KERN_PROC_UID; 2011590Srgrimes arg = passwd->pw_uid; 2021590Srgrimes break; 2031590Srgrimes case 'v': 2041590Srgrimes vflg = 1; 2051590Srgrimes break; 2061590Srgrimes case '?': 2071590Srgrimes default: 2081590Srgrimes usage(); 2091590Srgrimes } 2101590Srgrimes 2111590Srgrimes if (*(argv += optind)) { 2121590Srgrimes for (; *argv; ++argv) { 2131590Srgrimes if (getfname(*argv)) 2141590Srgrimes checkfile = 1; 2151590Srgrimes } 2161590Srgrimes if (!checkfile) /* file(s) specified, but none accessable */ 2171590Srgrimes exit(1); 2181590Srgrimes } 2191590Srgrimes 2208874Srgrimes if (fsflg && !checkfile) { 2211590Srgrimes /* -f with no files means use wd */ 2221590Srgrimes if (getfname(".") == 0) 2231590Srgrimes exit(1); 2241590Srgrimes checkfile = 1; 2251590Srgrimes } 2261590Srgrimes 22797946Sdes if (memf != NULL) 22897946Sdes fstat_kvm(what, arg); 22997946Sdes else 23097946Sdes fstat_sysctl(what, arg); 23197946Sdes exit(0); 23297946Sdes} 23397946Sdes 23497946Sdesstatic void 23597946Sdesprint_header(void) 23697946Sdes{ 23797946Sdes 23897946Sdes if (nflg) 23997946Sdes printf("%s", 24097946Sdes"USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 24197946Sdes else 24297946Sdes printf("%s", 24397946Sdes"USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 24497946Sdes if (checkfile && fsflg == 0) 24597946Sdes printf(" NAME\n"); 24697946Sdes else 24797946Sdes putchar('\n'); 24897946Sdes} 24997946Sdes 25097946Sdesstatic void 25197946Sdesfstat_kvm(int what, int arg) 25297946Sdes{ 25397946Sdes struct kinfo_proc *p, *plast; 25497946Sdes char buf[_POSIX2_LINE_MAX]; 25597946Sdes int cnt; 25697946Sdes 25797946Sdes ALLOC_OFILES(256); /* reserve space for file pointers */ 25897946Sdes 2591590Srgrimes /* 2601590Srgrimes * Discard setgid privileges if not the running kernel so that bad 2611590Srgrimes * guys can't print interesting stuff from kernel memory. 2621590Srgrimes */ 2631590Srgrimes if (nlistf != NULL || memf != NULL) 2641590Srgrimes setgid(getgid()); 2651590Srgrimes 26627272Scharnier if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 26727272Scharnier errx(1, "%s", buf); 26882664Sru setgid(getgid()); 2691590Srgrimes#ifdef notdef 27027272Scharnier if (kvm_nlist(kd, nl) != 0) 27127272Scharnier errx(1, "no namelist: %s", kvm_geterr(kd)); 2721590Srgrimes#endif 27327272Scharnier if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) 27427272Scharnier errx(1, "%s", kvm_geterr(kd)); 275116717Smaxim print_header(); 2761590Srgrimes for (plast = &p[cnt]; p < plast; ++p) { 27769896Smckusick if (p->ki_stat == SZOMB) 2781590Srgrimes continue; 2791590Srgrimes dofiles(p); 28059029Sgreen if (mflg) 28159029Sgreen dommap(p); 2821590Srgrimes } 2831590Srgrimes} 2841590Srgrimes 28597946Sdesstatic void 28697946Sdesfstat_sysctl(int what, int arg) 28797946Sdes{ 28897946Sdes 28997946Sdes /* not yet implemented */ 29097946Sdes fstat_kvm(what, arg); 29197946Sdes} 29297946Sdes 29393427Sdwmaloneconst char *Uname, *Comm; 2941590Srgrimesint Pid; 2951590Srgrimes 2961590Srgrimes#define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 2971590Srgrimes switch(i) { \ 2981590Srgrimes case TEXT: \ 2991590Srgrimes printf(" text"); \ 3001590Srgrimes break; \ 3011590Srgrimes case CDIR: \ 3021590Srgrimes printf(" wd"); \ 3031590Srgrimes break; \ 3041590Srgrimes case RDIR: \ 3051590Srgrimes printf(" root"); \ 3061590Srgrimes break; \ 3071590Srgrimes case TRACE: \ 3081590Srgrimes printf(" tr"); \ 3091590Srgrimes break; \ 31059029Sgreen case MMAP: \ 31159029Sgreen printf(" mmap"); \ 31259029Sgreen break; \ 313140958Sphk case JDIR: \ 314140958Sphk printf(" jail"); \ 315140958Sphk break; \ 3161590Srgrimes default: \ 3171590Srgrimes printf(" %4d", i); \ 3181590Srgrimes break; \ 3191590Srgrimes } 3201590Srgrimes 3211590Srgrimes/* 3221590Srgrimes * print open files attributed to this process 3231590Srgrimes */ 3241590Srgrimesvoid 325131293Sdwmalonedofiles(struct kinfo_proc *kp) 3261590Srgrimes{ 32727272Scharnier int i; 3281590Srgrimes struct file file; 329137352Sphk struct filedesc filed; 3301590Srgrimes 33169896Smckusick Uname = user_from_uid(kp->ki_uid, 0); 33269896Smckusick Pid = kp->ki_pid; 33369896Smckusick Comm = kp->ki_comm; 3341590Srgrimes 33569896Smckusick if (kp->ki_fd == NULL) 3361590Srgrimes return; 337137352Sphk if (!KVM_READ(kp->ki_fd, &filed, sizeof (filed))) { 33837453Sbde dprintf(stderr, "can't read filedesc at %p for pid %d\n", 33969896Smckusick (void *)kp->ki_fd, Pid); 3401590Srgrimes return; 3411590Srgrimes } 3421590Srgrimes /* 3431590Srgrimes * root directory vnode, if one 3441590Srgrimes */ 3451590Srgrimes if (filed.fd_rdir) 3461590Srgrimes vtrans(filed.fd_rdir, RDIR, FREAD); 3471590Srgrimes /* 3481590Srgrimes * current working directory vnode 3491590Srgrimes */ 3501590Srgrimes vtrans(filed.fd_cdir, CDIR, FREAD); 3511590Srgrimes /* 352140958Sphk * jail root, if any. 353140958Sphk */ 354140958Sphk if (filed.fd_jdir) 355140958Sphk vtrans(filed.fd_jdir, JDIR, FREAD); 356140958Sphk /* 3571590Srgrimes * ktrace vnode, if one 3581590Srgrimes */ 35969896Smckusick if (kp->ki_tracep) 36069896Smckusick vtrans(kp->ki_tracep, TRACE, FREAD|FWRITE); 3611590Srgrimes /* 36217813Speter * text vnode, if one 36317813Speter */ 36469896Smckusick if (kp->ki_textvp) 36569896Smckusick vtrans(kp->ki_textvp, TEXT, FREAD); 36617813Speter /* 3671590Srgrimes * open files 3681590Srgrimes */ 3691590Srgrimes#define FPSIZE (sizeof (struct file *)) 370140958Sphk#define MAX_LASTFILE (0x1000000) 371140958Sphk 372140958Sphk /* Sanity check on filed.fd_lastfile */ 373140958Sphk if (filed.fd_lastfile <= -1 || filed.fd_lastfile > MAX_LASTFILE) 374140958Sphk return; 375140958Sphk 3761590Srgrimes ALLOC_OFILES(filed.fd_lastfile+1); 377137352Sphk if (!KVM_READ(filed.fd_ofiles, ofiles, 378137352Sphk (filed.fd_lastfile+1) * FPSIZE)) { 379137352Sphk dprintf(stderr, 380137352Sphk "can't read file structures at %p for pid %d\n", 381137352Sphk (void *)filed.fd_ofiles, Pid); 382137352Sphk return; 383137352Sphk } 3841590Srgrimes for (i = 0; i <= filed.fd_lastfile; i++) { 3851590Srgrimes if (ofiles[i] == NULL) 3861590Srgrimes continue; 3871590Srgrimes if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 38837453Sbde dprintf(stderr, "can't read file %d at %p for pid %d\n", 38937453Sbde i, (void *)ofiles[i], Pid); 3901590Srgrimes continue; 3911590Srgrimes } 3921590Srgrimes if (file.f_type == DTYPE_VNODE) 393140078Sssouhlal vtrans(file.f_vnode, i, file.f_flag); 3941590Srgrimes else if (file.f_type == DTYPE_SOCKET) { 3951590Srgrimes if (checkfile == 0) 396109153Sdillon socktrans(file.f_data, i); 3971590Srgrimes } 39817808Speter#ifdef DTYPE_PIPE 39917808Speter else if (file.f_type == DTYPE_PIPE) { 40017808Speter if (checkfile == 0) 401109153Sdillon pipetrans(file.f_data, i, file.f_flag); 40217808Speter } 40317808Speter#endif 40478401Sroam#ifdef DTYPE_FIFO 40578401Sroam else if (file.f_type == DTYPE_FIFO) { 40678401Sroam if (checkfile == 0) 407140078Sssouhlal vtrans(file.f_vnode, i, file.f_flag); 40878401Sroam } 40978401Sroam#endif 4101590Srgrimes else { 4118874Srgrimes dprintf(stderr, 41278401Sroam "unknown file type %d for file %d of pid %d\n", 41378401Sroam file.f_type, i, Pid); 4141590Srgrimes } 4151590Srgrimes } 4161590Srgrimes} 4171590Srgrimes 4181590Srgrimesvoid 419131293Sdwmalonedommap(struct kinfo_proc *kp) 42059029Sgreen{ 42169896Smckusick vm_map_t map; 42259029Sgreen struct vmspace vmspace; 42359029Sgreen struct vm_map_entry entry; 42459029Sgreen vm_map_entry_t entryp; 42559029Sgreen struct vm_object object; 42659029Sgreen vm_object_t objp; 42759029Sgreen int prot, fflags; 42859029Sgreen 42969896Smckusick if (!KVM_READ(kp->ki_vmspace, &vmspace, sizeof(vmspace))) { 43069896Smckusick dprintf(stderr, 43169896Smckusick "can't read vmspace at %p for pid %d\n", 43269896Smckusick (void *)kp->ki_vmspace, Pid); 43359029Sgreen return; 43459029Sgreen } 43559029Sgreen map = &vmspace.vm_map; 43659029Sgreen 43772527Siedowse for (entryp = map->header.next; 43872527Siedowse entryp != &kp->ki_vmspace->vm_map.header; entryp = entry.next) { 43959029Sgreen if (!KVM_READ(entryp, &entry, sizeof(entry))) { 44059029Sgreen dprintf(stderr, 44159029Sgreen "can't read vm_map_entry at %p for pid %d\n", 44259029Sgreen (void *)entryp, Pid); 44359029Sgreen return; 44459029Sgreen } 44559029Sgreen 44659029Sgreen if (entry.eflags & MAP_ENTRY_IS_SUB_MAP) 44759029Sgreen continue; 44859029Sgreen 44959029Sgreen if ((objp = entry.object.vm_object) == NULL) 45059029Sgreen continue; 45159029Sgreen 45259029Sgreen for (; objp; objp = object.backing_object) { 45359029Sgreen if (!KVM_READ(objp, &object, sizeof(object))) { 45459029Sgreen dprintf(stderr, 45559029Sgreen "can't read vm_object at %p for pid %d\n", 45659029Sgreen (void *)objp, Pid); 45759029Sgreen return; 45859029Sgreen } 45959029Sgreen } 46059029Sgreen 46159029Sgreen prot = entry.protection; 46259029Sgreen fflags = (prot & VM_PROT_READ ? FREAD : 0) | 46359029Sgreen (prot & VM_PROT_WRITE ? FWRITE : 0); 46459029Sgreen 46559029Sgreen switch (object.type) { 46659029Sgreen case OBJT_VNODE: 46759029Sgreen vtrans((struct vnode *)object.handle, MMAP, fflags); 46859029Sgreen break; 46959029Sgreen default: 47059029Sgreen break; 47159029Sgreen } 47259029Sgreen } 47359029Sgreen} 47459029Sgreen 47559029Sgreenvoid 476131293Sdwmalonevtrans(struct vnode *vp, int i, int flag) 4771590Srgrimes{ 4781590Srgrimes struct vnode vn; 4791590Srgrimes struct filestat fst; 480103325Snjl char rw[3], mode[15], tagstr[12], *tagptr; 48193427Sdwmalone const char *badtype, *filename; 4821590Srgrimes 4831590Srgrimes filename = badtype = NULL; 4841590Srgrimes if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 48537453Sbde dprintf(stderr, "can't read vnode at %p for pid %d\n", 48637453Sbde (void *)vp, Pid); 4871590Srgrimes return; 4881590Srgrimes } 489103325Snjl if (!KVM_READ(&vp->v_tag, &tagptr, sizeof tagptr) || 490103325Snjl !KVM_READ(tagptr, tagstr, sizeof tagstr)) { 491103325Snjl dprintf(stderr, "can't read v_tag at %p for pid %d\n", 492103325Snjl (void *)vp, Pid); 493103325Snjl return; 494103325Snjl } 495103325Snjl tagstr[sizeof(tagstr) - 1] = '\0'; 496103325Snjl if (vn.v_type == VNON) 4971590Srgrimes badtype = "none"; 4981590Srgrimes else if (vn.v_type == VBAD) 4991590Srgrimes badtype = "bad"; 500103325Snjl else { 501103325Snjl if (!strcmp("ufs", tagstr)) { 5021590Srgrimes if (!ufs_filestat(&vn, &fst)) 5031590Srgrimes badtype = "error"; 504103325Snjl } else if (!strcmp("devfs", tagstr)) { 50588051Sgreen if (!devfs_filestat(&vn, &fst)) 50688051Sgreen badtype = "error"; 507103325Snjl } else if (!strcmp("nfs", tagstr)) { 5081590Srgrimes if (!nfs_filestat(&vn, &fst)) 5091590Srgrimes badtype = "error"; 510103325Snjl } else if (!strcmp("msdosfs", tagstr)) { 51158125Sgreen if (!msdosfs_filestat(&vn, &fst)) 51258125Sgreen badtype = "error"; 513103325Snjl } else if (!strcmp("isofs", tagstr)) { 51458125Sgreen if (!isofs_filestat(&vn, &fst)) 51558125Sgreen badtype = "error"; 516103325Snjl } else { 517103325Snjl static char unknown[32]; 518103325Snjl snprintf(unknown, sizeof unknown, "?(%s)", tagstr); 51993427Sdwmalone badtype = unknown; 5201590Srgrimes } 5211590Srgrimes } 5221590Srgrimes if (checkfile) { 5231590Srgrimes int fsmatch = 0; 52493427Sdwmalone DEVS *d; 5251590Srgrimes 5261590Srgrimes if (badtype) 5271590Srgrimes return; 5281590Srgrimes for (d = devs; d != NULL; d = d->next) 5291590Srgrimes if (d->fsid == fst.fsid) { 5301590Srgrimes fsmatch = 1; 5311590Srgrimes if (d->ino == fst.fileid) { 5321590Srgrimes filename = d->name; 5331590Srgrimes break; 5341590Srgrimes } 5351590Srgrimes } 5361590Srgrimes if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 5371590Srgrimes return; 5381590Srgrimes } 5391590Srgrimes PREFIX(i); 5401590Srgrimes if (badtype) { 5411590Srgrimes (void)printf(" - - %10s -\n", badtype); 5421590Srgrimes return; 5431590Srgrimes } 5441590Srgrimes if (nflg) 5451590Srgrimes (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 5461590Srgrimes else 5471590Srgrimes (void)printf(" %-8s", getmnton(vn.v_mount)); 5481590Srgrimes if (nflg) 5491590Srgrimes (void)sprintf(mode, "%o", fst.mode); 5501590Srgrimes else 5511590Srgrimes strmode(fst.mode, mode); 55237453Sbde (void)printf(" %6ld %10s", fst.fileid, mode); 5531590Srgrimes switch (vn.v_type) { 5541590Srgrimes case VBLK: 5551590Srgrimes case VCHR: { 5561590Srgrimes char *name; 5571590Srgrimes 5588874Srgrimes if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 5591590Srgrimes S_IFCHR : S_IFBLK)) == NULL)) 5601590Srgrimes printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 5611590Srgrimes else 5621590Srgrimes printf(" %6s", name); 5631590Srgrimes break; 5641590Srgrimes } 5651590Srgrimes default: 56628948Salex printf(" %6lu", fst.size); 5671590Srgrimes } 5681590Srgrimes rw[0] = '\0'; 5691590Srgrimes if (flag & FREAD) 5701590Srgrimes strcat(rw, "r"); 5711590Srgrimes if (flag & FWRITE) 5721590Srgrimes strcat(rw, "w"); 5731590Srgrimes printf(" %2s", rw); 5741590Srgrimes if (filename && !fsflg) 5751590Srgrimes printf(" %s", filename); 5761590Srgrimes putchar('\n'); 5771590Srgrimes} 5781590Srgrimes 5791590Srgrimesint 580131293Sdwmaloneufs_filestat(struct vnode *vp, struct filestat *fsp) 5811590Srgrimes{ 5821590Srgrimes struct inode inode; 5831590Srgrimes 5841590Srgrimes if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 58537453Sbde dprintf(stderr, "can't read inode at %p for pid %d\n", 58637453Sbde (void *)VTOI(vp), Pid); 5871590Srgrimes return 0; 5881590Srgrimes } 58953133Sgreen /* 590130640Sphk * The st_dev from stat(2) is a dev_t. These kernel structures 591130640Sphk * contain cdev pointers. We need to convert to dev_t to make 59253133Sgreen * comparisons 59353133Sgreen */ 59486100Sdwmalone fsp->fsid = dev2udev(inode.i_dev); 5951590Srgrimes fsp->fileid = (long)inode.i_number; 5961590Srgrimes fsp->mode = (mode_t)inode.i_mode; 5971590Srgrimes fsp->size = (u_long)inode.i_size; 59898542Smckusick#if should_be_but_is_hard 599116780Sjmg /* XXX - need to load i_ump and i_din[12] from kernel memory */ 600116780Sjmg if (inode.i_ump->um_fstype == UFS1) 601116780Sjmg fsp->rdev = inode.i_din1->di_rdev; 602116780Sjmg else 603116780Sjmg fsp->rdev = inode.i_din2->di_rdev; 60498542Smckusick#else 60598542Smckusick fsp->rdev = 0; 60698542Smckusick#endif 6071590Srgrimes 6081590Srgrimes return 1; 6091590Srgrimes} 6101590Srgrimes 6111590Srgrimesint 612131293Sdwmalonedevfs_filestat(struct vnode *vp, struct filestat *fsp) 61388051Sgreen{ 61488051Sgreen struct devfs_dirent devfs_dirent; 61588051Sgreen struct mount mount; 61688051Sgreen struct vnode vnode; 61788051Sgreen 61888051Sgreen if (!KVM_READ(vp->v_data, &devfs_dirent, sizeof (devfs_dirent))) { 61988051Sgreen dprintf(stderr, "can't read devfs_dirent at %p for pid %d\n", 62088051Sgreen (void *)vp->v_data, Pid); 62188051Sgreen return 0; 62288051Sgreen } 62388051Sgreen if (!KVM_READ(vp->v_mount, &mount, sizeof (mount))) { 62488051Sgreen dprintf(stderr, "can't read mount at %p for pid %d\n", 62588051Sgreen (void *)vp->v_mount, Pid); 62688051Sgreen return 0; 62788051Sgreen } 62888051Sgreen if (!KVM_READ(devfs_dirent.de_vnode, &vnode, sizeof (vnode))) { 62988051Sgreen dprintf(stderr, "can't read vnode at %p for pid %d\n", 63088051Sgreen (void *)devfs_dirent.de_vnode, Pid); 63188051Sgreen return 0; 63288051Sgreen } 63388051Sgreen fsp->fsid = (long)mount.mnt_stat.f_fsid.val[0]; 63488051Sgreen fsp->fileid = devfs_dirent.de_inode; 63588051Sgreen fsp->mode = (devfs_dirent.de_mode & ~S_IFMT) | S_IFCHR; 63688051Sgreen fsp->size = 0; 637116556Sjmg fsp->rdev = dev2udev(vnode.v_rdev); 63888051Sgreen 63988051Sgreen return 1; 64088051Sgreen} 64188051Sgreen 64288051Sgreenint 643131293Sdwmalonenfs_filestat(struct vnode *vp, struct filestat *fsp) 6441590Srgrimes{ 6451590Srgrimes struct nfsnode nfsnode; 64693427Sdwmalone mode_t mode; 6471590Srgrimes 6481590Srgrimes if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 64937453Sbde dprintf(stderr, "can't read nfsnode at %p for pid %d\n", 65037453Sbde (void *)VTONFS(vp), Pid); 6511590Srgrimes return 0; 6521590Srgrimes } 6531590Srgrimes fsp->fsid = nfsnode.n_vattr.va_fsid; 6541590Srgrimes fsp->fileid = nfsnode.n_vattr.va_fileid; 6551590Srgrimes fsp->size = nfsnode.n_size; 6561590Srgrimes fsp->rdev = nfsnode.n_vattr.va_rdev; 6571590Srgrimes mode = (mode_t)nfsnode.n_vattr.va_mode; 6581590Srgrimes switch (vp->v_type) { 6591590Srgrimes case VREG: 6601590Srgrimes mode |= S_IFREG; 6611590Srgrimes break; 6621590Srgrimes case VDIR: 6631590Srgrimes mode |= S_IFDIR; 6641590Srgrimes break; 6651590Srgrimes case VBLK: 6661590Srgrimes mode |= S_IFBLK; 6671590Srgrimes break; 6681590Srgrimes case VCHR: 6691590Srgrimes mode |= S_IFCHR; 6701590Srgrimes break; 6711590Srgrimes case VLNK: 6721590Srgrimes mode |= S_IFLNK; 6731590Srgrimes break; 6741590Srgrimes case VSOCK: 6751590Srgrimes mode |= S_IFSOCK; 6761590Srgrimes break; 6771590Srgrimes case VFIFO: 6781590Srgrimes mode |= S_IFIFO; 6791590Srgrimes break; 68048463Sru case VNON: 68148463Sru case VBAD: 68248463Sru return 0; 6831590Srgrimes }; 6841590Srgrimes fsp->mode = mode; 6851590Srgrimes 6861590Srgrimes return 1; 6871590Srgrimes} 6881590Srgrimes 6891590Srgrimes 6901590Srgrimeschar * 691131293Sdwmalonegetmnton(struct mount *m) 6921590Srgrimes{ 6931590Srgrimes static struct mount mount; 6941590Srgrimes static struct mtab { 6951590Srgrimes struct mtab *next; 6961590Srgrimes struct mount *m; 6971590Srgrimes char mntonname[MNAMELEN]; 6981590Srgrimes } *mhead = NULL; 69993427Sdwmalone struct mtab *mt; 7001590Srgrimes 7011590Srgrimes for (mt = mhead; mt != NULL; mt = mt->next) 7021590Srgrimes if (m == mt->m) 7031590Srgrimes return (mt->mntonname); 7041590Srgrimes if (!KVM_READ(m, &mount, sizeof(struct mount))) { 70537453Sbde warnx("can't read mount table at %p", (void *)m); 7061590Srgrimes return (NULL); 7071590Srgrimes } 70827272Scharnier if ((mt = malloc(sizeof (struct mtab))) == NULL) 70927272Scharnier err(1, NULL); 7101590Srgrimes mt->m = m; 7111590Srgrimes bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN); 7121590Srgrimes mt->next = mhead; 7131590Srgrimes mhead = mt; 7141590Srgrimes return (mt->mntonname); 7151590Srgrimes} 7161590Srgrimes 7171590Srgrimesvoid 718131293Sdwmalonepipetrans(struct pipe *pi, int i, int flag) 71917808Speter{ 72017808Speter struct pipe pip; 72117808Speter char rw[3]; 72217808Speter 72317808Speter PREFIX(i); 72417808Speter 72517808Speter /* fill in socket */ 72617808Speter if (!KVM_READ(pi, &pip, sizeof(struct pipe))) { 72737453Sbde dprintf(stderr, "can't read pipe at %p\n", (void *)pi); 72817808Speter goto bad; 72917808Speter } 73017808Speter 73180355Smjacob printf("* pipe %8lx <-> %8lx", (u_long)pi, (u_long)pip.pipe_peer); 73217808Speter printf(" %6d", (int)pip.pipe_buffer.cnt); 73317808Speter rw[0] = '\0'; 73417808Speter if (flag & FREAD) 73517808Speter strcat(rw, "r"); 73617808Speter if (flag & FWRITE) 73717808Speter strcat(rw, "w"); 73817808Speter printf(" %2s", rw); 73917808Speter putchar('\n'); 74017808Speter return; 74117808Speter 74217808Speterbad: 74317808Speter printf("* error\n"); 74417808Speter} 74517808Speter 74617808Spetervoid 747131293Sdwmalonesocktrans(struct socket *sock, int i) 7481590Srgrimes{ 74993427Sdwmalone static const char *stypename[] = { 7501590Srgrimes "unused", /* 0 */ 7511590Srgrimes "stream", /* 1 */ 7521590Srgrimes "dgram", /* 2 */ 7531590Srgrimes "raw", /* 3 */ 7541590Srgrimes "rdm", /* 4 */ 7551590Srgrimes "seqpak" /* 5 */ 7561590Srgrimes }; 7571590Srgrimes#define STYPEMAX 5 7581590Srgrimes struct socket so; 7591590Srgrimes struct protosw proto; 7601590Srgrimes struct domain dom; 7611590Srgrimes struct inpcb inpcb; 7621590Srgrimes struct unpcb unpcb; 7631590Srgrimes int len; 76493427Sdwmalone char dname[32]; 7651590Srgrimes 7661590Srgrimes PREFIX(i); 7671590Srgrimes 7681590Srgrimes /* fill in socket */ 7691590Srgrimes if (!KVM_READ(sock, &so, sizeof(struct socket))) { 77037453Sbde dprintf(stderr, "can't read sock at %p\n", (void *)sock); 7711590Srgrimes goto bad; 7721590Srgrimes } 7731590Srgrimes 7741590Srgrimes /* fill in protosw entry */ 7751590Srgrimes if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 77637453Sbde dprintf(stderr, "can't read protosw at %p", 77737453Sbde (void *)so.so_proto); 7781590Srgrimes goto bad; 7791590Srgrimes } 7801590Srgrimes 7811590Srgrimes /* fill in domain */ 7821590Srgrimes if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 78337453Sbde dprintf(stderr, "can't read domain at %p\n", 78437453Sbde (void *)proto.pr_domain); 7851590Srgrimes goto bad; 7861590Srgrimes } 7871590Srgrimes 7881590Srgrimes if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 7891590Srgrimes sizeof(dname) - 1)) < 0) { 79037453Sbde dprintf(stderr, "can't read domain name at %p\n", 79137453Sbde (void *)dom.dom_name); 7921590Srgrimes dname[0] = '\0'; 7931590Srgrimes } 7941590Srgrimes else 7951590Srgrimes dname[len] = '\0'; 7961590Srgrimes 7971590Srgrimes if ((u_short)so.so_type > STYPEMAX) 7981590Srgrimes printf("* %s ?%d", dname, so.so_type); 7991590Srgrimes else 8001590Srgrimes printf("* %s %s", dname, stypename[so.so_type]); 8011590Srgrimes 8028874Srgrimes /* 8031590Srgrimes * protocol specific formatting 8041590Srgrimes * 8051590Srgrimes * Try to find interesting things to print. For tcp, the interesting 8061590Srgrimes * thing is the address of the tcpcb, for udp and others, just the 8071590Srgrimes * inpcb (socket pcb). For unix domain, its the address of the socket 8081590Srgrimes * pcb and the address of the connected pcb (if connected). Otherwise 8091590Srgrimes * just print the protocol number and address of the socket itself. 8101590Srgrimes * The idea is not to duplicate netstat, but to make available enough 8111590Srgrimes * information for further analysis. 8121590Srgrimes */ 8131590Srgrimes switch(dom.dom_family) { 8141590Srgrimes case AF_INET: 81557345Sshin case AF_INET6: 8161590Srgrimes getinetproto(proto.pr_protocol); 8171590Srgrimes if (proto.pr_protocol == IPPROTO_TCP ) { 8181590Srgrimes if (so.so_pcb) { 8191590Srgrimes if (kvm_read(kd, (u_long)so.so_pcb, 8201590Srgrimes (char *)&inpcb, sizeof(struct inpcb)) 8211590Srgrimes != sizeof(struct inpcb)) { 8228874Srgrimes dprintf(stderr, 82337453Sbde "can't read inpcb at %p\n", 82437453Sbde (void *)so.so_pcb); 8251590Srgrimes goto bad; 8261590Srgrimes } 82780355Smjacob printf(" %lx", (u_long)inpcb.inp_ppcb); 8281590Srgrimes } 8291590Srgrimes } 8301590Srgrimes else if (so.so_pcb) 83180355Smjacob printf(" %lx", (u_long)so.so_pcb); 8321590Srgrimes break; 8331590Srgrimes case AF_UNIX: 8341590Srgrimes /* print address of pcb and connected pcb */ 8351590Srgrimes if (so.so_pcb) { 83680355Smjacob printf(" %lx", (u_long)so.so_pcb); 8371590Srgrimes if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 8381590Srgrimes sizeof(struct unpcb)) != sizeof(struct unpcb)){ 83937453Sbde dprintf(stderr, "can't read unpcb at %p\n", 84037453Sbde (void *)so.so_pcb); 8411590Srgrimes goto bad; 8421590Srgrimes } 8431590Srgrimes if (unpcb.unp_conn) { 8441590Srgrimes char shoconn[4], *cp; 8451590Srgrimes 8461590Srgrimes cp = shoconn; 847130489Srwatson if (!(so.so_rcv.sb_state & SBS_CANTRCVMORE)) 8481590Srgrimes *cp++ = '<'; 8491590Srgrimes *cp++ = '-'; 850130489Srwatson if (!(so.so_snd.sb_state & SBS_CANTSENDMORE)) 8511590Srgrimes *cp++ = '>'; 8521590Srgrimes *cp = '\0'; 85380355Smjacob printf(" %s %lx", shoconn, 85480355Smjacob (u_long)unpcb.unp_conn); 8551590Srgrimes } 8561590Srgrimes } 8571590Srgrimes break; 8581590Srgrimes default: 8591590Srgrimes /* print protocol number and socket address */ 86080355Smjacob printf(" %d %lx", proto.pr_protocol, (u_long)sock); 8611590Srgrimes } 8621590Srgrimes printf("\n"); 8631590Srgrimes return; 8641590Srgrimesbad: 8651590Srgrimes printf("* error\n"); 8661590Srgrimes} 8671590Srgrimes 86853133Sgreen 8691590Srgrimes/* 870130640Sphk * Read the cdev structure in the kernel in order to work out the 871130640Sphk * associated dev_t 87253133Sgreen */ 873130640Sphkdev_t 874131293Sdwmalonedev2udev(struct cdev *dev) 87553133Sgreen{ 876104043Sphk struct cdev si; 87753133Sgreen 87853133Sgreen if (KVM_READ(dev, &si, sizeof si)) { 879143651Sphk /* XXX: FIXME! */ 880143651Sphk return 0; 88153133Sgreen } else { 882131293Sdwmalone dprintf(stderr, "can't convert cdev *%p to a dev_t\n", dev); 88353133Sgreen return -1; 88453133Sgreen } 88553133Sgreen} 88653133Sgreen 88753133Sgreen/* 8881590Srgrimes * getinetproto -- 8891590Srgrimes * print name of protocol number 8901590Srgrimes */ 8911590Srgrimesvoid 892131293Sdwmalonegetinetproto(int number) 8931590Srgrimes{ 89448463Sru static int isopen; 89593427Sdwmalone struct protoent *pe; 8961590Srgrimes 89748463Sru if (!isopen) 89848463Sru setprotoent(++isopen); 89948463Sru if ((pe = getprotobynumber(number)) != NULL) 90048463Sru printf(" %s", pe->p_name); 90148463Sru else 9021590Srgrimes printf(" %d", number); 9031590Srgrimes} 9041590Srgrimes 90517808Speterint 906131293Sdwmalonegetfname(const char *filename) 9071590Srgrimes{ 9081590Srgrimes struct stat statbuf; 9091590Srgrimes DEVS *cur; 9101590Srgrimes 9111590Srgrimes if (stat(filename, &statbuf)) { 91227272Scharnier warn("%s", filename); 9131590Srgrimes return(0); 9141590Srgrimes } 91527272Scharnier if ((cur = malloc(sizeof(DEVS))) == NULL) 91627272Scharnier err(1, NULL); 9171590Srgrimes cur->next = devs; 9181590Srgrimes devs = cur; 9191590Srgrimes 9201590Srgrimes cur->ino = statbuf.st_ino; 92186100Sdwmalone cur->fsid = statbuf.st_dev; 9221590Srgrimes cur->name = filename; 9231590Srgrimes return(1); 9241590Srgrimes} 9251590Srgrimes 9261590Srgrimesvoid 927131293Sdwmaloneusage(void) 9281590Srgrimes{ 9291590Srgrimes (void)fprintf(stderr, 930146466Sru "usage: fstat [-fmnv] [-M core] [-N system] [-p pid] [-u user] [file ...]\n"); 9311590Srgrimes exit(1); 9321590Srgrimes} 933