fstat.c revision 116780
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 116780 2003-06-24 08:18:18Z jmg $"); 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> 6317808Speter#include <sys/pipe.h> 6477099Sphk#define _KERNEL 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 1091590Srgrimes 1101590SrgrimesDEVS *devs; 1111590Srgrimes 1121590Srgrimes#ifdef notdef 1131590Srgrimesstruct nlist nl[] = { 1141590Srgrimes { "" }, 1151590Srgrimes}; 1161590Srgrimes#endif 1171590Srgrimes 1181590Srgrimesint fsflg, /* show files on same filesystem as file(s) argument */ 1191590Srgrimes pflg, /* show files open by a particular pid */ 1201590Srgrimes uflg; /* show files open by a particular (effective) user */ 1211590Srgrimesint checkfile; /* true if restricting to particular files or filesystems */ 1221590Srgrimesint nflg; /* (numerical) display f.s. and rdev as dev_t */ 1231590Srgrimesint vflg; /* display errors in locating kernel data objects etc... */ 12459029Sgreenint mflg; /* include memory-mapped files */ 1251590Srgrimes 1261590Srgrimes 1271590Srgrimesstruct file **ofiles; /* buffer of pointers to file structures */ 1281590Srgrimesint maxfiles; 1291590Srgrimes#define ALLOC_OFILES(d) \ 1301590Srgrimes if ((d) > maxfiles) { \ 1311590Srgrimes free(ofiles); \ 1321590Srgrimes ofiles = malloc((d) * sizeof(struct file *)); \ 1331590Srgrimes if (ofiles == NULL) { \ 13427272Scharnier err(1, NULL); \ 1351590Srgrimes } \ 1361590Srgrimes maxfiles = (d); \ 1371590Srgrimes } 1381590Srgrimes 13997946Sdeschar *memf, *nlistf; 1401590Srgrimeskvm_t *kd; 1411590Srgrimes 14297946Sdesstatic void fstat_kvm(int, int); 14397946Sdesstatic void fstat_sysctl(int, int); 14492920Simpvoid dofiles(struct kinfo_proc *kp); 14592920Simpvoid dommap(struct kinfo_proc *kp); 14692920Simpvoid vtrans(struct vnode *vp, int i, int flag); 14792920Simpint ufs_filestat(struct vnode *vp, struct filestat *fsp); 14892920Simpint nfs_filestat(struct vnode *vp, struct filestat *fsp); 14992920Simpint devfs_filestat(struct vnode *vp, struct filestat *fsp); 15092920Simpchar *getmnton(struct mount *m); 15192920Simpvoid pipetrans(struct pipe *pi, int i, int flag); 15292920Simpvoid socktrans(struct socket *sock, int i); 15392920Simpvoid getinetproto(int number); 15493427Sdwmaloneint getfname(const char *filename); 15592920Simpvoid usage(void); 1561590Srgrimes 15717808Speter 15817808Speterint 1591590Srgrimesmain(argc, argv) 1601590Srgrimes int argc; 1611590Srgrimes char **argv; 1621590Srgrimes{ 16393427Sdwmalone struct passwd *passwd; 1641590Srgrimes int arg, ch, what; 1651590Srgrimes 1661590Srgrimes arg = 0; 1671590Srgrimes what = KERN_PROC_ALL; 1681590Srgrimes nlistf = memf = NULL; 16959029Sgreen while ((ch = getopt(argc, argv, "fmnp:u:vN:M:")) != -1) 1701590Srgrimes switch((char)ch) { 1711590Srgrimes case 'f': 1721590Srgrimes fsflg = 1; 1731590Srgrimes break; 1741590Srgrimes case 'M': 1751590Srgrimes memf = optarg; 1761590Srgrimes break; 1771590Srgrimes case 'N': 1781590Srgrimes nlistf = optarg; 1791590Srgrimes break; 18059029Sgreen case 'm': 18159029Sgreen mflg = 1; 18259029Sgreen break; 1831590Srgrimes case 'n': 1841590Srgrimes nflg = 1; 1851590Srgrimes break; 1861590Srgrimes case 'p': 1871590Srgrimes if (pflg++) 1881590Srgrimes usage(); 1891590Srgrimes if (!isdigit(*optarg)) { 19027311Scharnier warnx("-p requires a process id"); 1911590Srgrimes usage(); 1921590Srgrimes } 1931590Srgrimes what = KERN_PROC_PID; 1941590Srgrimes arg = atoi(optarg); 1951590Srgrimes break; 1961590Srgrimes case 'u': 1971590Srgrimes if (uflg++) 1981590Srgrimes usage(); 19927272Scharnier if (!(passwd = getpwnam(optarg))) 20027272Scharnier errx(1, "%s: unknown uid", optarg); 2011590Srgrimes what = KERN_PROC_UID; 2021590Srgrimes arg = passwd->pw_uid; 2031590Srgrimes break; 2041590Srgrimes case 'v': 2051590Srgrimes vflg = 1; 2061590Srgrimes break; 2071590Srgrimes case '?': 2081590Srgrimes default: 2091590Srgrimes usage(); 2101590Srgrimes } 2111590Srgrimes 2121590Srgrimes if (*(argv += optind)) { 2131590Srgrimes for (; *argv; ++argv) { 2141590Srgrimes if (getfname(*argv)) 2151590Srgrimes checkfile = 1; 2161590Srgrimes } 2171590Srgrimes if (!checkfile) /* file(s) specified, but none accessable */ 2181590Srgrimes exit(1); 2191590Srgrimes } 2201590Srgrimes 2218874Srgrimes if (fsflg && !checkfile) { 2221590Srgrimes /* -f with no files means use wd */ 2231590Srgrimes if (getfname(".") == 0) 2241590Srgrimes exit(1); 2251590Srgrimes checkfile = 1; 2261590Srgrimes } 2271590Srgrimes 22897946Sdes if (memf != NULL) 22997946Sdes fstat_kvm(what, arg); 23097946Sdes else 23197946Sdes fstat_sysctl(what, arg); 23297946Sdes exit(0); 23397946Sdes} 23497946Sdes 23597946Sdesstatic void 23697946Sdesprint_header(void) 23797946Sdes{ 23897946Sdes 23997946Sdes if (nflg) 24097946Sdes printf("%s", 24197946Sdes"USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 24297946Sdes else 24397946Sdes printf("%s", 24497946Sdes"USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 24597946Sdes if (checkfile && fsflg == 0) 24697946Sdes printf(" NAME\n"); 24797946Sdes else 24897946Sdes putchar('\n'); 24997946Sdes} 25097946Sdes 25197946Sdesstatic void 25297946Sdesfstat_kvm(int what, int arg) 25397946Sdes{ 25497946Sdes struct kinfo_proc *p, *plast; 25597946Sdes char buf[_POSIX2_LINE_MAX]; 25697946Sdes int cnt; 25797946Sdes 25897946Sdes ALLOC_OFILES(256); /* reserve space for file pointers */ 25997946Sdes 2601590Srgrimes /* 2611590Srgrimes * Discard setgid privileges if not the running kernel so that bad 2621590Srgrimes * guys can't print interesting stuff from kernel memory. 2631590Srgrimes */ 2641590Srgrimes if (nlistf != NULL || memf != NULL) 2651590Srgrimes setgid(getgid()); 2661590Srgrimes 26727272Scharnier if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 26827272Scharnier errx(1, "%s", buf); 26982664Sru setgid(getgid()); 2701590Srgrimes#ifdef notdef 27127272Scharnier if (kvm_nlist(kd, nl) != 0) 27227272Scharnier errx(1, "no namelist: %s", kvm_geterr(kd)); 2731590Srgrimes#endif 27427272Scharnier if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) 27527272Scharnier errx(1, "%s", kvm_geterr(kd)); 276116717Smaxim print_header(); 2771590Srgrimes for (plast = &p[cnt]; p < plast; ++p) { 27869896Smckusick if (p->ki_stat == SZOMB) 2791590Srgrimes continue; 2801590Srgrimes dofiles(p); 28159029Sgreen if (mflg) 28259029Sgreen dommap(p); 2831590Srgrimes } 2841590Srgrimes} 2851590Srgrimes 28697946Sdesstatic void 28797946Sdesfstat_sysctl(int what, int arg) 28897946Sdes{ 28997946Sdes 29097946Sdes /* not yet implemented */ 29197946Sdes fstat_kvm(what, arg); 29297946Sdes} 29397946Sdes 29493427Sdwmaloneconst char *Uname, *Comm; 2951590Srgrimesint Pid; 2961590Srgrimes 2971590Srgrimes#define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 2981590Srgrimes switch(i) { \ 2991590Srgrimes case TEXT: \ 3001590Srgrimes printf(" text"); \ 3011590Srgrimes break; \ 3021590Srgrimes case CDIR: \ 3031590Srgrimes printf(" wd"); \ 3041590Srgrimes break; \ 3051590Srgrimes case RDIR: \ 3061590Srgrimes printf(" root"); \ 3071590Srgrimes break; \ 3081590Srgrimes case TRACE: \ 3091590Srgrimes printf(" tr"); \ 3101590Srgrimes break; \ 31159029Sgreen case MMAP: \ 31259029Sgreen printf(" mmap"); \ 31359029Sgreen break; \ 3141590Srgrimes default: \ 3151590Srgrimes printf(" %4d", i); \ 3161590Srgrimes break; \ 3171590Srgrimes } 3181590Srgrimes 3191590Srgrimes/* 3201590Srgrimes * print open files attributed to this process 3211590Srgrimes */ 3221590Srgrimesvoid 3231590Srgrimesdofiles(kp) 3241590Srgrimes struct kinfo_proc *kp; 3251590Srgrimes{ 32627272Scharnier int i; 3271590Srgrimes struct file file; 3281590Srgrimes struct filedesc0 filed0; 3291590Srgrimes#define filed filed0.fd_fd 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; 33769896Smckusick if (!KVM_READ(kp->ki_fd, &filed0, sizeof (filed0))) { 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 /* 3521590Srgrimes * ktrace vnode, if one 3531590Srgrimes */ 35469896Smckusick if (kp->ki_tracep) 35569896Smckusick vtrans(kp->ki_tracep, TRACE, FREAD|FWRITE); 3561590Srgrimes /* 35717813Speter * text vnode, if one 35817813Speter */ 35969896Smckusick if (kp->ki_textvp) 36069896Smckusick vtrans(kp->ki_textvp, TEXT, FREAD); 36117813Speter /* 3621590Srgrimes * open files 3631590Srgrimes */ 3641590Srgrimes#define FPSIZE (sizeof (struct file *)) 3651590Srgrimes ALLOC_OFILES(filed.fd_lastfile+1); 3661590Srgrimes if (filed.fd_nfiles > NDFILE) { 3671590Srgrimes if (!KVM_READ(filed.fd_ofiles, ofiles, 3681590Srgrimes (filed.fd_lastfile+1) * FPSIZE)) { 3691590Srgrimes dprintf(stderr, 37037453Sbde "can't read file structures at %p for pid %d\n", 37137453Sbde (void *)filed.fd_ofiles, Pid); 3721590Srgrimes return; 3731590Srgrimes } 3741590Srgrimes } else 3751590Srgrimes bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE); 3761590Srgrimes for (i = 0; i <= filed.fd_lastfile; i++) { 3771590Srgrimes if (ofiles[i] == NULL) 3781590Srgrimes continue; 3791590Srgrimes if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 38037453Sbde dprintf(stderr, "can't read file %d at %p for pid %d\n", 38137453Sbde i, (void *)ofiles[i], Pid); 3821590Srgrimes continue; 3831590Srgrimes } 3841590Srgrimes if (file.f_type == DTYPE_VNODE) 385109153Sdillon vtrans(file.f_data, i, file.f_flag); 3861590Srgrimes else if (file.f_type == DTYPE_SOCKET) { 3871590Srgrimes if (checkfile == 0) 388109153Sdillon socktrans(file.f_data, i); 3891590Srgrimes } 39017808Speter#ifdef DTYPE_PIPE 39117808Speter else if (file.f_type == DTYPE_PIPE) { 39217808Speter if (checkfile == 0) 393109153Sdillon pipetrans(file.f_data, i, file.f_flag); 39417808Speter } 39517808Speter#endif 39678401Sroam#ifdef DTYPE_FIFO 39778401Sroam else if (file.f_type == DTYPE_FIFO) { 39878401Sroam if (checkfile == 0) 399109153Sdillon vtrans(file.f_data, i, file.f_flag); 40078401Sroam } 40178401Sroam#endif 4021590Srgrimes else { 4038874Srgrimes dprintf(stderr, 40478401Sroam "unknown file type %d for file %d of pid %d\n", 40578401Sroam file.f_type, i, Pid); 4061590Srgrimes } 4071590Srgrimes } 4081590Srgrimes} 4091590Srgrimes 4101590Srgrimesvoid 41159029Sgreendommap(kp) 41259029Sgreen struct kinfo_proc *kp; 41359029Sgreen{ 41469896Smckusick vm_map_t map; 41559029Sgreen struct vmspace vmspace; 41659029Sgreen struct vm_map_entry entry; 41759029Sgreen vm_map_entry_t entryp; 41859029Sgreen struct vm_object object; 41959029Sgreen vm_object_t objp; 42059029Sgreen int prot, fflags; 42159029Sgreen 42269896Smckusick if (!KVM_READ(kp->ki_vmspace, &vmspace, sizeof(vmspace))) { 42369896Smckusick dprintf(stderr, 42469896Smckusick "can't read vmspace at %p for pid %d\n", 42569896Smckusick (void *)kp->ki_vmspace, Pid); 42659029Sgreen return; 42759029Sgreen } 42859029Sgreen map = &vmspace.vm_map; 42959029Sgreen 43072527Siedowse for (entryp = map->header.next; 43172527Siedowse entryp != &kp->ki_vmspace->vm_map.header; entryp = entry.next) { 43259029Sgreen if (!KVM_READ(entryp, &entry, sizeof(entry))) { 43359029Sgreen dprintf(stderr, 43459029Sgreen "can't read vm_map_entry at %p for pid %d\n", 43559029Sgreen (void *)entryp, Pid); 43659029Sgreen return; 43759029Sgreen } 43859029Sgreen 43959029Sgreen if (entry.eflags & MAP_ENTRY_IS_SUB_MAP) 44059029Sgreen continue; 44159029Sgreen 44259029Sgreen if ((objp = entry.object.vm_object) == NULL) 44359029Sgreen continue; 44459029Sgreen 44559029Sgreen for (; objp; objp = object.backing_object) { 44659029Sgreen if (!KVM_READ(objp, &object, sizeof(object))) { 44759029Sgreen dprintf(stderr, 44859029Sgreen "can't read vm_object at %p for pid %d\n", 44959029Sgreen (void *)objp, Pid); 45059029Sgreen return; 45159029Sgreen } 45259029Sgreen } 45359029Sgreen 45459029Sgreen prot = entry.protection; 45559029Sgreen fflags = (prot & VM_PROT_READ ? FREAD : 0) | 45659029Sgreen (prot & VM_PROT_WRITE ? FWRITE : 0); 45759029Sgreen 45859029Sgreen switch (object.type) { 45959029Sgreen case OBJT_VNODE: 46059029Sgreen vtrans((struct vnode *)object.handle, MMAP, fflags); 46159029Sgreen break; 46259029Sgreen default: 46359029Sgreen break; 46459029Sgreen } 46559029Sgreen } 46659029Sgreen} 46759029Sgreen 46859029Sgreenvoid 4691590Srgrimesvtrans(vp, i, flag) 4701590Srgrimes struct vnode *vp; 4711590Srgrimes int i; 4721590Srgrimes int flag; 4731590Srgrimes{ 4741590Srgrimes struct vnode vn; 4751590Srgrimes struct filestat fst; 476103325Snjl char rw[3], mode[15], tagstr[12], *tagptr; 47793427Sdwmalone const char *badtype, *filename; 4781590Srgrimes 4791590Srgrimes filename = badtype = NULL; 4801590Srgrimes if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 48137453Sbde dprintf(stderr, "can't read vnode at %p for pid %d\n", 48237453Sbde (void *)vp, Pid); 4831590Srgrimes return; 4841590Srgrimes } 485103325Snjl if (!KVM_READ(&vp->v_tag, &tagptr, sizeof tagptr) || 486103325Snjl !KVM_READ(tagptr, tagstr, sizeof tagstr)) { 487103325Snjl dprintf(stderr, "can't read v_tag at %p for pid %d\n", 488103325Snjl (void *)vp, Pid); 489103325Snjl return; 490103325Snjl } 491103325Snjl tagstr[sizeof(tagstr) - 1] = '\0'; 492103325Snjl if (vn.v_type == VNON) 4931590Srgrimes badtype = "none"; 4941590Srgrimes else if (vn.v_type == VBAD) 4951590Srgrimes badtype = "bad"; 496103325Snjl else { 497103325Snjl if (!strcmp("ufs", tagstr)) { 4981590Srgrimes if (!ufs_filestat(&vn, &fst)) 4991590Srgrimes badtype = "error"; 500103325Snjl } else if (!strcmp("devfs", tagstr)) { 50188051Sgreen if (!devfs_filestat(&vn, &fst)) 50288051Sgreen badtype = "error"; 503103325Snjl } else if (!strcmp("nfs", tagstr)) { 5041590Srgrimes if (!nfs_filestat(&vn, &fst)) 5051590Srgrimes badtype = "error"; 506103325Snjl } else if (!strcmp("msdosfs", tagstr)) { 50758125Sgreen if (!msdosfs_filestat(&vn, &fst)) 50858125Sgreen badtype = "error"; 509103325Snjl } else if (!strcmp("isofs", tagstr)) { 51058125Sgreen if (!isofs_filestat(&vn, &fst)) 51158125Sgreen badtype = "error"; 512103325Snjl } else { 513103325Snjl static char unknown[32]; 514103325Snjl snprintf(unknown, sizeof unknown, "?(%s)", tagstr); 51593427Sdwmalone badtype = unknown; 5161590Srgrimes } 5171590Srgrimes } 5181590Srgrimes if (checkfile) { 5191590Srgrimes int fsmatch = 0; 52093427Sdwmalone DEVS *d; 5211590Srgrimes 5221590Srgrimes if (badtype) 5231590Srgrimes return; 5241590Srgrimes for (d = devs; d != NULL; d = d->next) 5251590Srgrimes if (d->fsid == fst.fsid) { 5261590Srgrimes fsmatch = 1; 5271590Srgrimes if (d->ino == fst.fileid) { 5281590Srgrimes filename = d->name; 5291590Srgrimes break; 5301590Srgrimes } 5311590Srgrimes } 5321590Srgrimes if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 5331590Srgrimes return; 5341590Srgrimes } 5351590Srgrimes PREFIX(i); 5361590Srgrimes if (badtype) { 5371590Srgrimes (void)printf(" - - %10s -\n", badtype); 5381590Srgrimes return; 5391590Srgrimes } 5401590Srgrimes if (nflg) 5411590Srgrimes (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 5421590Srgrimes else 5431590Srgrimes (void)printf(" %-8s", getmnton(vn.v_mount)); 5441590Srgrimes if (nflg) 5451590Srgrimes (void)sprintf(mode, "%o", fst.mode); 5461590Srgrimes else 5471590Srgrimes strmode(fst.mode, mode); 54837453Sbde (void)printf(" %6ld %10s", fst.fileid, mode); 5491590Srgrimes switch (vn.v_type) { 5501590Srgrimes case VBLK: 5511590Srgrimes case VCHR: { 5521590Srgrimes char *name; 5531590Srgrimes 5548874Srgrimes if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 5551590Srgrimes S_IFCHR : S_IFBLK)) == NULL)) 5561590Srgrimes printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 5571590Srgrimes else 5581590Srgrimes printf(" %6s", name); 5591590Srgrimes break; 5601590Srgrimes } 5611590Srgrimes default: 56228948Salex printf(" %6lu", fst.size); 5631590Srgrimes } 5641590Srgrimes rw[0] = '\0'; 5651590Srgrimes if (flag & FREAD) 5661590Srgrimes strcat(rw, "r"); 5671590Srgrimes if (flag & FWRITE) 5681590Srgrimes strcat(rw, "w"); 5691590Srgrimes printf(" %2s", rw); 5701590Srgrimes if (filename && !fsflg) 5711590Srgrimes printf(" %s", filename); 5721590Srgrimes putchar('\n'); 5731590Srgrimes} 5741590Srgrimes 5751590Srgrimesint 5761590Srgrimesufs_filestat(vp, fsp) 5771590Srgrimes struct vnode *vp; 5781590Srgrimes struct filestat *fsp; 5791590Srgrimes{ 5801590Srgrimes struct inode inode; 5811590Srgrimes 5821590Srgrimes if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 58337453Sbde dprintf(stderr, "can't read inode at %p for pid %d\n", 58437453Sbde (void *)VTOI(vp), Pid); 5851590Srgrimes return 0; 5861590Srgrimes } 58753133Sgreen /* 58853133Sgreen * The st_dev from stat(2) is a udev_t. These kernel structures 58953133Sgreen * contain dev_t structures. We need to convert to udev to make 59053133Sgreen * comparisons 59153133Sgreen */ 59286100Sdwmalone fsp->fsid = dev2udev(inode.i_dev); 5931590Srgrimes fsp->fileid = (long)inode.i_number; 5941590Srgrimes fsp->mode = (mode_t)inode.i_mode; 5951590Srgrimes fsp->size = (u_long)inode.i_size; 59698542Smckusick#if should_be_but_is_hard 597116780Sjmg /* XXX - need to load i_ump and i_din[12] from kernel memory */ 598116780Sjmg if (inode.i_ump->um_fstype == UFS1) 599116780Sjmg fsp->rdev = inode.i_din1->di_rdev; 600116780Sjmg else 601116780Sjmg fsp->rdev = inode.i_din2->di_rdev; 60298542Smckusick#else 60398542Smckusick fsp->rdev = 0; 60498542Smckusick#endif 6051590Srgrimes 6061590Srgrimes return 1; 6071590Srgrimes} 6081590Srgrimes 6091590Srgrimesint 61088051Sgreendevfs_filestat(vp, fsp) 61188051Sgreen struct vnode *vp; 61288051Sgreen 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 6431590Srgrimesnfs_filestat(vp, fsp) 6441590Srgrimes struct vnode *vp; 6451590Srgrimes struct filestat *fsp; 6461590Srgrimes{ 6471590Srgrimes struct nfsnode nfsnode; 64893427Sdwmalone mode_t mode; 6491590Srgrimes 6501590Srgrimes if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 65137453Sbde dprintf(stderr, "can't read nfsnode at %p for pid %d\n", 65237453Sbde (void *)VTONFS(vp), Pid); 6531590Srgrimes return 0; 6541590Srgrimes } 6551590Srgrimes fsp->fsid = nfsnode.n_vattr.va_fsid; 6561590Srgrimes fsp->fileid = nfsnode.n_vattr.va_fileid; 6571590Srgrimes fsp->size = nfsnode.n_size; 6581590Srgrimes fsp->rdev = nfsnode.n_vattr.va_rdev; 6591590Srgrimes mode = (mode_t)nfsnode.n_vattr.va_mode; 6601590Srgrimes switch (vp->v_type) { 6611590Srgrimes case VREG: 6621590Srgrimes mode |= S_IFREG; 6631590Srgrimes break; 6641590Srgrimes case VDIR: 6651590Srgrimes mode |= S_IFDIR; 6661590Srgrimes break; 6671590Srgrimes case VBLK: 6681590Srgrimes mode |= S_IFBLK; 6691590Srgrimes break; 6701590Srgrimes case VCHR: 6711590Srgrimes mode |= S_IFCHR; 6721590Srgrimes break; 6731590Srgrimes case VLNK: 6741590Srgrimes mode |= S_IFLNK; 6751590Srgrimes break; 6761590Srgrimes case VSOCK: 6771590Srgrimes mode |= S_IFSOCK; 6781590Srgrimes break; 6791590Srgrimes case VFIFO: 6801590Srgrimes mode |= S_IFIFO; 6811590Srgrimes break; 68248463Sru case VNON: 68348463Sru case VBAD: 68448463Sru return 0; 6851590Srgrimes }; 6861590Srgrimes fsp->mode = mode; 6871590Srgrimes 6881590Srgrimes return 1; 6891590Srgrimes} 6901590Srgrimes 6911590Srgrimes 6921590Srgrimeschar * 6931590Srgrimesgetmnton(m) 6941590Srgrimes struct mount *m; 6951590Srgrimes{ 6961590Srgrimes static struct mount mount; 6971590Srgrimes static struct mtab { 6981590Srgrimes struct mtab *next; 6991590Srgrimes struct mount *m; 7001590Srgrimes char mntonname[MNAMELEN]; 7011590Srgrimes } *mhead = NULL; 70293427Sdwmalone struct mtab *mt; 7031590Srgrimes 7041590Srgrimes for (mt = mhead; mt != NULL; mt = mt->next) 7051590Srgrimes if (m == mt->m) 7061590Srgrimes return (mt->mntonname); 7071590Srgrimes if (!KVM_READ(m, &mount, sizeof(struct mount))) { 70837453Sbde warnx("can't read mount table at %p", (void *)m); 7091590Srgrimes return (NULL); 7101590Srgrimes } 71127272Scharnier if ((mt = malloc(sizeof (struct mtab))) == NULL) 71227272Scharnier err(1, NULL); 7131590Srgrimes mt->m = m; 7141590Srgrimes bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN); 7151590Srgrimes mt->next = mhead; 7161590Srgrimes mhead = mt; 7171590Srgrimes return (mt->mntonname); 7181590Srgrimes} 7191590Srgrimes 7201590Srgrimesvoid 72117808Speterpipetrans(pi, i, flag) 72217808Speter struct pipe *pi; 72317808Speter int i; 72417808Speter int flag; 72517808Speter{ 72617808Speter struct pipe pip; 72717808Speter char rw[3]; 72817808Speter 72917808Speter PREFIX(i); 73017808Speter 73117808Speter /* fill in socket */ 73217808Speter if (!KVM_READ(pi, &pip, sizeof(struct pipe))) { 73337453Sbde dprintf(stderr, "can't read pipe at %p\n", (void *)pi); 73417808Speter goto bad; 73517808Speter } 73617808Speter 73780355Smjacob printf("* pipe %8lx <-> %8lx", (u_long)pi, (u_long)pip.pipe_peer); 73817808Speter printf(" %6d", (int)pip.pipe_buffer.cnt); 73917808Speter rw[0] = '\0'; 74017808Speter if (flag & FREAD) 74117808Speter strcat(rw, "r"); 74217808Speter if (flag & FWRITE) 74317808Speter strcat(rw, "w"); 74417808Speter printf(" %2s", rw); 74517808Speter putchar('\n'); 74617808Speter return; 74717808Speter 74817808Speterbad: 74917808Speter printf("* error\n"); 75017808Speter} 75117808Speter 75217808Spetervoid 7531590Srgrimessocktrans(sock, i) 7541590Srgrimes struct socket *sock; 7551590Srgrimes int i; 7561590Srgrimes{ 75793427Sdwmalone static const char *stypename[] = { 7581590Srgrimes "unused", /* 0 */ 7591590Srgrimes "stream", /* 1 */ 7601590Srgrimes "dgram", /* 2 */ 7611590Srgrimes "raw", /* 3 */ 7621590Srgrimes "rdm", /* 4 */ 7631590Srgrimes "seqpak" /* 5 */ 7641590Srgrimes }; 7651590Srgrimes#define STYPEMAX 5 7661590Srgrimes struct socket so; 7671590Srgrimes struct protosw proto; 7681590Srgrimes struct domain dom; 7691590Srgrimes struct inpcb inpcb; 7701590Srgrimes struct unpcb unpcb; 7711590Srgrimes int len; 77293427Sdwmalone char dname[32]; 7731590Srgrimes 7741590Srgrimes PREFIX(i); 7751590Srgrimes 7761590Srgrimes /* fill in socket */ 7771590Srgrimes if (!KVM_READ(sock, &so, sizeof(struct socket))) { 77837453Sbde dprintf(stderr, "can't read sock at %p\n", (void *)sock); 7791590Srgrimes goto bad; 7801590Srgrimes } 7811590Srgrimes 7821590Srgrimes /* fill in protosw entry */ 7831590Srgrimes if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 78437453Sbde dprintf(stderr, "can't read protosw at %p", 78537453Sbde (void *)so.so_proto); 7861590Srgrimes goto bad; 7871590Srgrimes } 7881590Srgrimes 7891590Srgrimes /* fill in domain */ 7901590Srgrimes if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 79137453Sbde dprintf(stderr, "can't read domain at %p\n", 79237453Sbde (void *)proto.pr_domain); 7931590Srgrimes goto bad; 7941590Srgrimes } 7951590Srgrimes 7961590Srgrimes if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 7971590Srgrimes sizeof(dname) - 1)) < 0) { 79837453Sbde dprintf(stderr, "can't read domain name at %p\n", 79937453Sbde (void *)dom.dom_name); 8001590Srgrimes dname[0] = '\0'; 8011590Srgrimes } 8021590Srgrimes else 8031590Srgrimes dname[len] = '\0'; 8041590Srgrimes 8051590Srgrimes if ((u_short)so.so_type > STYPEMAX) 8061590Srgrimes printf("* %s ?%d", dname, so.so_type); 8071590Srgrimes else 8081590Srgrimes printf("* %s %s", dname, stypename[so.so_type]); 8091590Srgrimes 8108874Srgrimes /* 8111590Srgrimes * protocol specific formatting 8121590Srgrimes * 8131590Srgrimes * Try to find interesting things to print. For tcp, the interesting 8141590Srgrimes * thing is the address of the tcpcb, for udp and others, just the 8151590Srgrimes * inpcb (socket pcb). For unix domain, its the address of the socket 8161590Srgrimes * pcb and the address of the connected pcb (if connected). Otherwise 8171590Srgrimes * just print the protocol number and address of the socket itself. 8181590Srgrimes * The idea is not to duplicate netstat, but to make available enough 8191590Srgrimes * information for further analysis. 8201590Srgrimes */ 8211590Srgrimes switch(dom.dom_family) { 8221590Srgrimes case AF_INET: 82357345Sshin case AF_INET6: 8241590Srgrimes getinetproto(proto.pr_protocol); 8251590Srgrimes if (proto.pr_protocol == IPPROTO_TCP ) { 8261590Srgrimes if (so.so_pcb) { 8271590Srgrimes if (kvm_read(kd, (u_long)so.so_pcb, 8281590Srgrimes (char *)&inpcb, sizeof(struct inpcb)) 8291590Srgrimes != sizeof(struct inpcb)) { 8308874Srgrimes dprintf(stderr, 83137453Sbde "can't read inpcb at %p\n", 83237453Sbde (void *)so.so_pcb); 8331590Srgrimes goto bad; 8341590Srgrimes } 83580355Smjacob printf(" %lx", (u_long)inpcb.inp_ppcb); 8361590Srgrimes } 8371590Srgrimes } 8381590Srgrimes else if (so.so_pcb) 83980355Smjacob printf(" %lx", (u_long)so.so_pcb); 8401590Srgrimes break; 8411590Srgrimes case AF_UNIX: 8421590Srgrimes /* print address of pcb and connected pcb */ 8431590Srgrimes if (so.so_pcb) { 84480355Smjacob printf(" %lx", (u_long)so.so_pcb); 8451590Srgrimes if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 8461590Srgrimes sizeof(struct unpcb)) != sizeof(struct unpcb)){ 84737453Sbde dprintf(stderr, "can't read unpcb at %p\n", 84837453Sbde (void *)so.so_pcb); 8491590Srgrimes goto bad; 8501590Srgrimes } 8511590Srgrimes if (unpcb.unp_conn) { 8521590Srgrimes char shoconn[4], *cp; 8531590Srgrimes 8541590Srgrimes cp = shoconn; 8551590Srgrimes if (!(so.so_state & SS_CANTRCVMORE)) 8561590Srgrimes *cp++ = '<'; 8571590Srgrimes *cp++ = '-'; 8581590Srgrimes if (!(so.so_state & SS_CANTSENDMORE)) 8591590Srgrimes *cp++ = '>'; 8601590Srgrimes *cp = '\0'; 86180355Smjacob printf(" %s %lx", shoconn, 86280355Smjacob (u_long)unpcb.unp_conn); 8631590Srgrimes } 8641590Srgrimes } 8651590Srgrimes break; 8661590Srgrimes default: 8671590Srgrimes /* print protocol number and socket address */ 86880355Smjacob printf(" %d %lx", proto.pr_protocol, (u_long)sock); 8691590Srgrimes } 8701590Srgrimes printf("\n"); 8711590Srgrimes return; 8721590Srgrimesbad: 8731590Srgrimes printf("* error\n"); 8741590Srgrimes} 8751590Srgrimes 87653133Sgreen 8771590Srgrimes/* 878104043Sphk * Read the cdev structure in the kernel (as pointed to by a dev_t) 87953133Sgreen * in order to work out the associated udev_t 88053133Sgreen */ 88153133Sgreenudev_t 88253133Sgreendev2udev(dev) 883116556Sjmg struct cdev *dev; 88453133Sgreen{ 885104043Sphk struct cdev si; 88653133Sgreen 88753133Sgreen if (KVM_READ(dev, &si, sizeof si)) { 88853133Sgreen return si.si_udev; 88953133Sgreen } else { 89080355Smjacob dprintf(stderr, "can't convert dev_t %x to a udev_t\n", dev); 89153133Sgreen return -1; 89253133Sgreen } 89353133Sgreen} 89453133Sgreen 89553133Sgreen/* 8961590Srgrimes * getinetproto -- 8971590Srgrimes * print name of protocol number 8981590Srgrimes */ 8991590Srgrimesvoid 9001590Srgrimesgetinetproto(number) 9011590Srgrimes int number; 9021590Srgrimes{ 90348463Sru static int isopen; 90493427Sdwmalone struct protoent *pe; 9051590Srgrimes 90648463Sru if (!isopen) 90748463Sru setprotoent(++isopen); 90848463Sru if ((pe = getprotobynumber(number)) != NULL) 90948463Sru printf(" %s", pe->p_name); 91048463Sru else 9111590Srgrimes printf(" %d", number); 9121590Srgrimes} 9131590Srgrimes 91417808Speterint 9151590Srgrimesgetfname(filename) 91693427Sdwmalone const char *filename; 9171590Srgrimes{ 9181590Srgrimes struct stat statbuf; 9191590Srgrimes DEVS *cur; 9201590Srgrimes 9211590Srgrimes if (stat(filename, &statbuf)) { 92227272Scharnier warn("%s", filename); 9231590Srgrimes return(0); 9241590Srgrimes } 92527272Scharnier if ((cur = malloc(sizeof(DEVS))) == NULL) 92627272Scharnier err(1, NULL); 9271590Srgrimes cur->next = devs; 9281590Srgrimes devs = cur; 9291590Srgrimes 9301590Srgrimes cur->ino = statbuf.st_ino; 93186100Sdwmalone cur->fsid = statbuf.st_dev; 9321590Srgrimes cur->name = filename; 9331590Srgrimes return(1); 9341590Srgrimes} 9351590Srgrimes 9361590Srgrimesvoid 9371590Srgrimesusage() 9381590Srgrimes{ 9391590Srgrimes (void)fprintf(stderr, 94059029Sgreen "usage: fstat [-fmnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 9411590Srgrimes exit(1); 9421590Srgrimes} 943