fstat.c revision 48463
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 4427272Scharnierstatic const char rcsid[] = 4548463Sru "$Id: fstat.c,v 1.16 1998/07/06 21:01:16 bde Exp $"; 461590Srgrimes#endif /* not lint */ 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> 641590Srgrimes#define KERNEL 651590Srgrimes#include <sys/file.h> 661590Srgrimes#include <ufs/ufs/quota.h> 671590Srgrimes#include <ufs/ufs/inode.h> 681590Srgrimes#undef KERNEL 691590Srgrimes#include <sys/mount.h> 709336Sdfr#include <nfs/nfsproto.h> 711590Srgrimes#include <nfs/rpcv2.h> 721590Srgrimes#include <nfs/nfs.h> 731590Srgrimes#include <nfs/nfsnode.h> 741590Srgrimes 751590Srgrimes#include <net/route.h> 761590Srgrimes#include <netinet/in.h> 771590Srgrimes#include <netinet/in_systm.h> 781590Srgrimes#include <netinet/ip.h> 791590Srgrimes#include <netinet/in_pcb.h> 801590Srgrimes 811590Srgrimes#include <ctype.h> 8227272Scharnier#include <err.h> 8318570Sbde#include <fcntl.h> 841590Srgrimes#include <kvm.h> 8523693Speter#include <limits.h> 861590Srgrimes#include <nlist.h> 871590Srgrimes#include <paths.h> 881590Srgrimes#include <pwd.h> 891590Srgrimes#include <stdio.h> 901590Srgrimes#include <stdlib.h> 911590Srgrimes#include <string.h> 9223693Speter#include <unistd.h> 9348463Sru#include <netdb.h> 941590Srgrimes 951590Srgrimes#define TEXT -1 961590Srgrimes#define CDIR -2 971590Srgrimes#define RDIR -3 981590Srgrimes#define TRACE -4 991590Srgrimes 1001590Srgrimestypedef struct devs { 1011590Srgrimes struct devs *next; 1021590Srgrimes long fsid; 1031590Srgrimes ino_t ino; 1041590Srgrimes char *name; 1051590Srgrimes} DEVS; 1061590SrgrimesDEVS *devs; 1071590Srgrimes 1081590Srgrimesstruct filestat { 1091590Srgrimes long fsid; 1101590Srgrimes long fileid; 1111590Srgrimes mode_t mode; 1121590Srgrimes u_long size; 1131590Srgrimes dev_t rdev; 1141590Srgrimes}; 1151590Srgrimes 1161590Srgrimes#ifdef notdef 1171590Srgrimesstruct nlist nl[] = { 1181590Srgrimes { "" }, 1191590Srgrimes}; 1201590Srgrimes#endif 1211590Srgrimes 1221590Srgrimesint fsflg, /* show files on same filesystem as file(s) argument */ 1231590Srgrimes pflg, /* show files open by a particular pid */ 1241590Srgrimes uflg; /* show files open by a particular (effective) user */ 1251590Srgrimesint checkfile; /* true if restricting to particular files or filesystems */ 1261590Srgrimesint nflg; /* (numerical) display f.s. and rdev as dev_t */ 1271590Srgrimesint vflg; /* display errors in locating kernel data objects etc... */ 1281590Srgrimes 1291590Srgrimes#define dprintf if (vflg) fprintf 1301590Srgrimes 1311590Srgrimesstruct file **ofiles; /* buffer of pointers to file structures */ 1321590Srgrimesint maxfiles; 1331590Srgrimes#define ALLOC_OFILES(d) \ 1341590Srgrimes if ((d) > maxfiles) { \ 1351590Srgrimes free(ofiles); \ 1361590Srgrimes ofiles = malloc((d) * sizeof(struct file *)); \ 1371590Srgrimes if (ofiles == NULL) { \ 13827272Scharnier err(1, NULL); \ 1391590Srgrimes } \ 1401590Srgrimes maxfiles = (d); \ 1411590Srgrimes } 1421590Srgrimes 1431590Srgrimes/* 1448874Srgrimes * a kvm_read that returns true if everything is read 1451590Srgrimes */ 1461590Srgrimes#define KVM_READ(kaddr, paddr, len) \ 1471590Srgrimes (kvm_read(kd, (u_long)(kaddr), (char *)(paddr), (len)) == (len)) 1481590Srgrimes 1491590Srgrimeskvm_t *kd; 1501590Srgrimes 15117808Spetervoid dofiles __P((struct kinfo_proc *kp)); 15217808Spetervoid vtrans __P((struct vnode *vp, int i, int flag)); 15317808Speterint ufs_filestat __P((struct vnode *vp, struct filestat *fsp)); 15417808Speterint nfs_filestat __P((struct vnode *vp, struct filestat *fsp)); 15517808Speterchar *getmnton __P((struct mount *m)); 15617808Spetervoid pipetrans __P((struct pipe *pi, int i, int flag)); 15717808Spetervoid socktrans __P((struct socket *sock, int i)); 15817808Spetervoid getinetproto __P((int number)); 15917808Speterint getfname __P((char *filename)); 16017808Spetervoid usage __P((void)); 1611590Srgrimes 16217808Speter 16317808Speterint 1641590Srgrimesmain(argc, argv) 1651590Srgrimes int argc; 1661590Srgrimes char **argv; 1671590Srgrimes{ 1681590Srgrimes register struct passwd *passwd; 1691590Srgrimes struct kinfo_proc *p, *plast; 1701590Srgrimes int arg, ch, what; 1711590Srgrimes char *memf, *nlistf; 17223693Speter char buf[_POSIX2_LINE_MAX]; 1731590Srgrimes int cnt; 1741590Srgrimes 1751590Srgrimes arg = 0; 1761590Srgrimes what = KERN_PROC_ALL; 1771590Srgrimes nlistf = memf = NULL; 17829592Sdima while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1) 1791590Srgrimes switch((char)ch) { 1801590Srgrimes case 'f': 1811590Srgrimes fsflg = 1; 1821590Srgrimes break; 1831590Srgrimes case 'M': 1841590Srgrimes memf = optarg; 1851590Srgrimes break; 1861590Srgrimes case 'N': 1871590Srgrimes nlistf = optarg; 1881590Srgrimes break; 1891590Srgrimes case 'n': 1901590Srgrimes nflg = 1; 1911590Srgrimes break; 1921590Srgrimes case 'p': 1931590Srgrimes if (pflg++) 1941590Srgrimes usage(); 1951590Srgrimes if (!isdigit(*optarg)) { 19627311Scharnier warnx("-p requires a process id"); 1971590Srgrimes usage(); 1981590Srgrimes } 1991590Srgrimes what = KERN_PROC_PID; 2001590Srgrimes arg = atoi(optarg); 2011590Srgrimes break; 2021590Srgrimes case 'u': 2031590Srgrimes if (uflg++) 2041590Srgrimes usage(); 20527272Scharnier if (!(passwd = getpwnam(optarg))) 20627272Scharnier errx(1, "%s: unknown uid", optarg); 2071590Srgrimes what = KERN_PROC_UID; 2081590Srgrimes arg = passwd->pw_uid; 2091590Srgrimes break; 2101590Srgrimes case 'v': 2111590Srgrimes vflg = 1; 2121590Srgrimes break; 2131590Srgrimes case '?': 2141590Srgrimes default: 2151590Srgrimes usage(); 2161590Srgrimes } 2171590Srgrimes 2181590Srgrimes if (*(argv += optind)) { 2191590Srgrimes for (; *argv; ++argv) { 2201590Srgrimes if (getfname(*argv)) 2211590Srgrimes checkfile = 1; 2221590Srgrimes } 2231590Srgrimes if (!checkfile) /* file(s) specified, but none accessable */ 2241590Srgrimes exit(1); 2251590Srgrimes } 2261590Srgrimes 2271590Srgrimes ALLOC_OFILES(256); /* reserve space for file pointers */ 2281590Srgrimes 2298874Srgrimes if (fsflg && !checkfile) { 2301590Srgrimes /* -f with no files means use wd */ 2311590Srgrimes if (getfname(".") == 0) 2321590Srgrimes exit(1); 2331590Srgrimes checkfile = 1; 2341590Srgrimes } 2351590Srgrimes 2361590Srgrimes /* 2371590Srgrimes * Discard setgid privileges if not the running kernel so that bad 2381590Srgrimes * guys can't print interesting stuff from kernel memory. 2391590Srgrimes */ 2401590Srgrimes if (nlistf != NULL || memf != NULL) 2411590Srgrimes setgid(getgid()); 2421590Srgrimes 24327272Scharnier if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 24427272Scharnier errx(1, "%s", buf); 2451590Srgrimes#ifdef notdef 24627272Scharnier if (kvm_nlist(kd, nl) != 0) 24727272Scharnier errx(1, "no namelist: %s", kvm_geterr(kd)); 2481590Srgrimes#endif 24927272Scharnier if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL) 25027272Scharnier errx(1, "%s", kvm_geterr(kd)); 2511590Srgrimes if (nflg) 2521590Srgrimes printf("%s", 2531590Srgrimes"USER CMD PID FD DEV INUM MODE SZ|DV R/W"); 2541590Srgrimes else 2551590Srgrimes printf("%s", 2561590Srgrimes"USER CMD PID FD MOUNT INUM MODE SZ|DV R/W"); 2571590Srgrimes if (checkfile && fsflg == 0) 2581590Srgrimes printf(" NAME\n"); 2591590Srgrimes else 2601590Srgrimes putchar('\n'); 2611590Srgrimes 2621590Srgrimes for (plast = &p[cnt]; p < plast; ++p) { 2631590Srgrimes if (p->kp_proc.p_stat == SZOMB) 2641590Srgrimes continue; 2651590Srgrimes dofiles(p); 2661590Srgrimes } 2671590Srgrimes exit(0); 2681590Srgrimes} 2691590Srgrimes 2701590Srgrimeschar *Uname, *Comm; 2711590Srgrimesint Pid; 2721590Srgrimes 2731590Srgrimes#define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \ 2741590Srgrimes switch(i) { \ 2751590Srgrimes case TEXT: \ 2761590Srgrimes printf(" text"); \ 2771590Srgrimes break; \ 2781590Srgrimes case CDIR: \ 2791590Srgrimes printf(" wd"); \ 2801590Srgrimes break; \ 2811590Srgrimes case RDIR: \ 2821590Srgrimes printf(" root"); \ 2831590Srgrimes break; \ 2841590Srgrimes case TRACE: \ 2851590Srgrimes printf(" tr"); \ 2861590Srgrimes break; \ 2871590Srgrimes default: \ 2881590Srgrimes printf(" %4d", i); \ 2891590Srgrimes break; \ 2901590Srgrimes } 2911590Srgrimes 2921590Srgrimes/* 2931590Srgrimes * print open files attributed to this process 2941590Srgrimes */ 2951590Srgrimesvoid 2961590Srgrimesdofiles(kp) 2971590Srgrimes struct kinfo_proc *kp; 2981590Srgrimes{ 29927272Scharnier int i; 3001590Srgrimes struct file file; 3011590Srgrimes struct filedesc0 filed0; 3021590Srgrimes#define filed filed0.fd_fd 3031590Srgrimes struct proc *p = &kp->kp_proc; 3041590Srgrimes struct eproc *ep = &kp->kp_eproc; 3051590Srgrimes 3061590Srgrimes Uname = user_from_uid(ep->e_ucred.cr_uid, 0); 3071590Srgrimes Pid = p->p_pid; 3081590Srgrimes Comm = p->p_comm; 3091590Srgrimes 3101590Srgrimes if (p->p_fd == NULL) 3111590Srgrimes return; 3121590Srgrimes if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) { 31337453Sbde dprintf(stderr, "can't read filedesc at %p for pid %d\n", 31437453Sbde (void *)p->p_fd, Pid); 3151590Srgrimes return; 3161590Srgrimes } 3171590Srgrimes /* 3181590Srgrimes * root directory vnode, if one 3191590Srgrimes */ 3201590Srgrimes if (filed.fd_rdir) 3211590Srgrimes vtrans(filed.fd_rdir, RDIR, FREAD); 3221590Srgrimes /* 3231590Srgrimes * current working directory vnode 3241590Srgrimes */ 3251590Srgrimes vtrans(filed.fd_cdir, CDIR, FREAD); 3261590Srgrimes /* 3271590Srgrimes * ktrace vnode, if one 3281590Srgrimes */ 3291590Srgrimes if (p->p_tracep) 3301590Srgrimes vtrans(p->p_tracep, TRACE, FREAD|FWRITE); 3311590Srgrimes /* 33217813Speter * text vnode, if one 33317813Speter */ 33417813Speter if (p->p_textvp) 33517813Speter vtrans(p->p_textvp, TEXT, FREAD); 33617813Speter /* 3371590Srgrimes * open files 3381590Srgrimes */ 3391590Srgrimes#define FPSIZE (sizeof (struct file *)) 3401590Srgrimes ALLOC_OFILES(filed.fd_lastfile+1); 3411590Srgrimes if (filed.fd_nfiles > NDFILE) { 3421590Srgrimes if (!KVM_READ(filed.fd_ofiles, ofiles, 3431590Srgrimes (filed.fd_lastfile+1) * FPSIZE)) { 3441590Srgrimes dprintf(stderr, 34537453Sbde "can't read file structures at %p for pid %d\n", 34637453Sbde (void *)filed.fd_ofiles, Pid); 3471590Srgrimes return; 3481590Srgrimes } 3491590Srgrimes } else 3501590Srgrimes bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE); 3511590Srgrimes for (i = 0; i <= filed.fd_lastfile; i++) { 3521590Srgrimes if (ofiles[i] == NULL) 3531590Srgrimes continue; 3541590Srgrimes if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) { 35537453Sbde dprintf(stderr, "can't read file %d at %p for pid %d\n", 35637453Sbde i, (void *)ofiles[i], Pid); 3571590Srgrimes continue; 3581590Srgrimes } 3591590Srgrimes if (file.f_type == DTYPE_VNODE) 3601590Srgrimes vtrans((struct vnode *)file.f_data, i, file.f_flag); 3611590Srgrimes else if (file.f_type == DTYPE_SOCKET) { 3621590Srgrimes if (checkfile == 0) 3631590Srgrimes socktrans((struct socket *)file.f_data, i); 3641590Srgrimes } 36517808Speter#ifdef DTYPE_PIPE 36617808Speter else if (file.f_type == DTYPE_PIPE) { 36717808Speter if (checkfile == 0) 36817808Speter pipetrans((struct pipe *)file.f_data, i, 36917808Speter file.f_flag); 37017808Speter } 37117808Speter#endif 3721590Srgrimes else { 3738874Srgrimes dprintf(stderr, 3741590Srgrimes "unknown file type %d for file %d of pid %d\n", 3751590Srgrimes file.f_type, i, Pid); 3761590Srgrimes } 3771590Srgrimes } 3781590Srgrimes} 3791590Srgrimes 3801590Srgrimesvoid 3811590Srgrimesvtrans(vp, i, flag) 3821590Srgrimes struct vnode *vp; 3831590Srgrimes int i; 3841590Srgrimes int flag; 3851590Srgrimes{ 3861590Srgrimes struct vnode vn; 3871590Srgrimes struct filestat fst; 3881590Srgrimes char rw[3], mode[15]; 3891590Srgrimes char *badtype = NULL, *filename, *getmnton(); 3901590Srgrimes 3911590Srgrimes filename = badtype = NULL; 3921590Srgrimes if (!KVM_READ(vp, &vn, sizeof (struct vnode))) { 39337453Sbde dprintf(stderr, "can't read vnode at %p for pid %d\n", 39437453Sbde (void *)vp, Pid); 3951590Srgrimes return; 3961590Srgrimes } 3971590Srgrimes if (vn.v_type == VNON || vn.v_tag == VT_NON) 3981590Srgrimes badtype = "none"; 3991590Srgrimes else if (vn.v_type == VBAD) 4001590Srgrimes badtype = "bad"; 4011590Srgrimes else 4021590Srgrimes switch (vn.v_tag) { 4031590Srgrimes case VT_UFS: 4041590Srgrimes if (!ufs_filestat(&vn, &fst)) 4051590Srgrimes badtype = "error"; 4061590Srgrimes break; 4071590Srgrimes case VT_MFS: 4081590Srgrimes if (!ufs_filestat(&vn, &fst)) 4091590Srgrimes badtype = "error"; 4101590Srgrimes break; 4111590Srgrimes case VT_NFS: 4121590Srgrimes if (!nfs_filestat(&vn, &fst)) 4131590Srgrimes badtype = "error"; 4141590Srgrimes break; 4151590Srgrimes default: { 4161590Srgrimes static char unknown[10]; 4171590Srgrimes sprintf(badtype = unknown, "?(%x)", vn.v_tag); 4181590Srgrimes break;; 4191590Srgrimes } 4201590Srgrimes } 4211590Srgrimes if (checkfile) { 4221590Srgrimes int fsmatch = 0; 4231590Srgrimes register DEVS *d; 4241590Srgrimes 4251590Srgrimes if (badtype) 4261590Srgrimes return; 4271590Srgrimes for (d = devs; d != NULL; d = d->next) 4281590Srgrimes if (d->fsid == fst.fsid) { 4291590Srgrimes fsmatch = 1; 4301590Srgrimes if (d->ino == fst.fileid) { 4311590Srgrimes filename = d->name; 4321590Srgrimes break; 4331590Srgrimes } 4341590Srgrimes } 4351590Srgrimes if (fsmatch == 0 || (filename == NULL && fsflg == 0)) 4361590Srgrimes return; 4371590Srgrimes } 4381590Srgrimes PREFIX(i); 4391590Srgrimes if (badtype) { 4401590Srgrimes (void)printf(" - - %10s -\n", badtype); 4411590Srgrimes return; 4421590Srgrimes } 4431590Srgrimes if (nflg) 4441590Srgrimes (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid)); 4451590Srgrimes else 4461590Srgrimes (void)printf(" %-8s", getmnton(vn.v_mount)); 4471590Srgrimes if (nflg) 4481590Srgrimes (void)sprintf(mode, "%o", fst.mode); 4491590Srgrimes else 4501590Srgrimes strmode(fst.mode, mode); 45137453Sbde (void)printf(" %6ld %10s", fst.fileid, mode); 4521590Srgrimes switch (vn.v_type) { 4531590Srgrimes case VBLK: 4541590Srgrimes case VCHR: { 4551590Srgrimes char *name; 4561590Srgrimes 4578874Srgrimes if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ? 4581590Srgrimes S_IFCHR : S_IFBLK)) == NULL)) 4591590Srgrimes printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev)); 4601590Srgrimes else 4611590Srgrimes printf(" %6s", name); 4621590Srgrimes break; 4631590Srgrimes } 4641590Srgrimes default: 46528948Salex printf(" %6lu", fst.size); 4661590Srgrimes } 4671590Srgrimes rw[0] = '\0'; 4681590Srgrimes if (flag & FREAD) 4691590Srgrimes strcat(rw, "r"); 4701590Srgrimes if (flag & FWRITE) 4711590Srgrimes strcat(rw, "w"); 4721590Srgrimes printf(" %2s", rw); 4731590Srgrimes if (filename && !fsflg) 4741590Srgrimes printf(" %s", filename); 4751590Srgrimes putchar('\n'); 4761590Srgrimes} 4771590Srgrimes 4781590Srgrimesint 4791590Srgrimesufs_filestat(vp, fsp) 4801590Srgrimes struct vnode *vp; 4811590Srgrimes struct filestat *fsp; 4821590Srgrimes{ 4831590Srgrimes struct inode inode; 4841590Srgrimes 4851590Srgrimes if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) { 48637453Sbde dprintf(stderr, "can't read inode at %p for pid %d\n", 48737453Sbde (void *)VTOI(vp), Pid); 4881590Srgrimes return 0; 4891590Srgrimes } 4901590Srgrimes fsp->fsid = inode.i_dev & 0xffff; 4911590Srgrimes fsp->fileid = (long)inode.i_number; 4921590Srgrimes fsp->mode = (mode_t)inode.i_mode; 4931590Srgrimes fsp->size = (u_long)inode.i_size; 4941590Srgrimes fsp->rdev = inode.i_rdev; 4951590Srgrimes 4961590Srgrimes return 1; 4971590Srgrimes} 4981590Srgrimes 4991590Srgrimesint 5001590Srgrimesnfs_filestat(vp, fsp) 5011590Srgrimes struct vnode *vp; 5021590Srgrimes struct filestat *fsp; 5031590Srgrimes{ 5041590Srgrimes struct nfsnode nfsnode; 5051590Srgrimes register mode_t mode; 5061590Srgrimes 5071590Srgrimes if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) { 50837453Sbde dprintf(stderr, "can't read nfsnode at %p for pid %d\n", 50937453Sbde (void *)VTONFS(vp), Pid); 5101590Srgrimes return 0; 5111590Srgrimes } 5121590Srgrimes fsp->fsid = nfsnode.n_vattr.va_fsid; 5131590Srgrimes fsp->fileid = nfsnode.n_vattr.va_fileid; 5141590Srgrimes fsp->size = nfsnode.n_size; 5151590Srgrimes fsp->rdev = nfsnode.n_vattr.va_rdev; 5161590Srgrimes mode = (mode_t)nfsnode.n_vattr.va_mode; 5171590Srgrimes switch (vp->v_type) { 5181590Srgrimes case VREG: 5191590Srgrimes mode |= S_IFREG; 5201590Srgrimes break; 5211590Srgrimes case VDIR: 5221590Srgrimes mode |= S_IFDIR; 5231590Srgrimes break; 5241590Srgrimes case VBLK: 5251590Srgrimes mode |= S_IFBLK; 5261590Srgrimes break; 5271590Srgrimes case VCHR: 5281590Srgrimes mode |= S_IFCHR; 5291590Srgrimes break; 5301590Srgrimes case VLNK: 5311590Srgrimes mode |= S_IFLNK; 5321590Srgrimes break; 5331590Srgrimes case VSOCK: 5341590Srgrimes mode |= S_IFSOCK; 5351590Srgrimes break; 5361590Srgrimes case VFIFO: 5371590Srgrimes mode |= S_IFIFO; 5381590Srgrimes break; 53948463Sru case VNON: 54048463Sru case VBAD: 54148463Sru return 0; 5421590Srgrimes }; 5431590Srgrimes fsp->mode = mode; 5441590Srgrimes 5451590Srgrimes return 1; 5461590Srgrimes} 5471590Srgrimes 5481590Srgrimes 5491590Srgrimeschar * 5501590Srgrimesgetmnton(m) 5511590Srgrimes struct mount *m; 5521590Srgrimes{ 5531590Srgrimes static struct mount mount; 5541590Srgrimes static struct mtab { 5551590Srgrimes struct mtab *next; 5561590Srgrimes struct mount *m; 5571590Srgrimes char mntonname[MNAMELEN]; 5581590Srgrimes } *mhead = NULL; 5591590Srgrimes register struct mtab *mt; 5601590Srgrimes 5611590Srgrimes for (mt = mhead; mt != NULL; mt = mt->next) 5621590Srgrimes if (m == mt->m) 5631590Srgrimes return (mt->mntonname); 5641590Srgrimes if (!KVM_READ(m, &mount, sizeof(struct mount))) { 56537453Sbde warnx("can't read mount table at %p", (void *)m); 5661590Srgrimes return (NULL); 5671590Srgrimes } 56827272Scharnier if ((mt = malloc(sizeof (struct mtab))) == NULL) 56927272Scharnier err(1, NULL); 5701590Srgrimes mt->m = m; 5711590Srgrimes bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN); 5721590Srgrimes mt->next = mhead; 5731590Srgrimes mhead = mt; 5741590Srgrimes return (mt->mntonname); 5751590Srgrimes} 5761590Srgrimes 5771590Srgrimesvoid 57817808Speterpipetrans(pi, i, flag) 57917808Speter struct pipe *pi; 58017808Speter int i; 58117808Speter int flag; 58217808Speter{ 58317808Speter struct pipe pip; 58417808Speter char rw[3]; 58517808Speter 58617808Speter PREFIX(i); 58717808Speter 58817808Speter /* fill in socket */ 58917808Speter if (!KVM_READ(pi, &pip, sizeof(struct pipe))) { 59037453Sbde dprintf(stderr, "can't read pipe at %p\n", (void *)pi); 59117808Speter goto bad; 59217808Speter } 59317808Speter 59417808Speter printf("* pipe %8x <-> %8x", (int)pi, (int)pip.pipe_peer); 59517808Speter printf(" %6d", (int)pip.pipe_buffer.cnt); 59617808Speter rw[0] = '\0'; 59717808Speter if (flag & FREAD) 59817808Speter strcat(rw, "r"); 59917808Speter if (flag & FWRITE) 60017808Speter strcat(rw, "w"); 60117808Speter printf(" %2s", rw); 60217808Speter putchar('\n'); 60317808Speter return; 60417808Speter 60517808Speterbad: 60617808Speter printf("* error\n"); 60717808Speter} 60817808Speter 60917808Spetervoid 6101590Srgrimessocktrans(sock, i) 6111590Srgrimes struct socket *sock; 6121590Srgrimes int i; 6131590Srgrimes{ 6141590Srgrimes static char *stypename[] = { 6151590Srgrimes "unused", /* 0 */ 6161590Srgrimes "stream", /* 1 */ 6171590Srgrimes "dgram", /* 2 */ 6181590Srgrimes "raw", /* 3 */ 6191590Srgrimes "rdm", /* 4 */ 6201590Srgrimes "seqpak" /* 5 */ 6211590Srgrimes }; 6221590Srgrimes#define STYPEMAX 5 6231590Srgrimes struct socket so; 6241590Srgrimes struct protosw proto; 6251590Srgrimes struct domain dom; 6261590Srgrimes struct inpcb inpcb; 6271590Srgrimes struct unpcb unpcb; 6281590Srgrimes int len; 6291590Srgrimes char dname[32], *strcpy(); 6301590Srgrimes 6311590Srgrimes PREFIX(i); 6321590Srgrimes 6331590Srgrimes /* fill in socket */ 6341590Srgrimes if (!KVM_READ(sock, &so, sizeof(struct socket))) { 63537453Sbde dprintf(stderr, "can't read sock at %p\n", (void *)sock); 6361590Srgrimes goto bad; 6371590Srgrimes } 6381590Srgrimes 6391590Srgrimes /* fill in protosw entry */ 6401590Srgrimes if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) { 64137453Sbde dprintf(stderr, "can't read protosw at %p", 64237453Sbde (void *)so.so_proto); 6431590Srgrimes goto bad; 6441590Srgrimes } 6451590Srgrimes 6461590Srgrimes /* fill in domain */ 6471590Srgrimes if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) { 64837453Sbde dprintf(stderr, "can't read domain at %p\n", 64937453Sbde (void *)proto.pr_domain); 6501590Srgrimes goto bad; 6511590Srgrimes } 6521590Srgrimes 6531590Srgrimes if ((len = kvm_read(kd, (u_long)dom.dom_name, dname, 6541590Srgrimes sizeof(dname) - 1)) < 0) { 65537453Sbde dprintf(stderr, "can't read domain name at %p\n", 65637453Sbde (void *)dom.dom_name); 6571590Srgrimes dname[0] = '\0'; 6581590Srgrimes } 6591590Srgrimes else 6601590Srgrimes dname[len] = '\0'; 6611590Srgrimes 6621590Srgrimes if ((u_short)so.so_type > STYPEMAX) 6631590Srgrimes printf("* %s ?%d", dname, so.so_type); 6641590Srgrimes else 6651590Srgrimes printf("* %s %s", dname, stypename[so.so_type]); 6661590Srgrimes 6678874Srgrimes /* 6681590Srgrimes * protocol specific formatting 6691590Srgrimes * 6701590Srgrimes * Try to find interesting things to print. For tcp, the interesting 6711590Srgrimes * thing is the address of the tcpcb, for udp and others, just the 6721590Srgrimes * inpcb (socket pcb). For unix domain, its the address of the socket 6731590Srgrimes * pcb and the address of the connected pcb (if connected). Otherwise 6741590Srgrimes * just print the protocol number and address of the socket itself. 6751590Srgrimes * The idea is not to duplicate netstat, but to make available enough 6761590Srgrimes * information for further analysis. 6771590Srgrimes */ 6781590Srgrimes switch(dom.dom_family) { 6791590Srgrimes case AF_INET: 6801590Srgrimes getinetproto(proto.pr_protocol); 6811590Srgrimes if (proto.pr_protocol == IPPROTO_TCP ) { 6821590Srgrimes if (so.so_pcb) { 6831590Srgrimes if (kvm_read(kd, (u_long)so.so_pcb, 6841590Srgrimes (char *)&inpcb, sizeof(struct inpcb)) 6851590Srgrimes != sizeof(struct inpcb)) { 6868874Srgrimes dprintf(stderr, 68737453Sbde "can't read inpcb at %p\n", 68837453Sbde (void *)so.so_pcb); 6891590Srgrimes goto bad; 6901590Srgrimes } 6911590Srgrimes printf(" %x", (int)inpcb.inp_ppcb); 6921590Srgrimes } 6931590Srgrimes } 6941590Srgrimes else if (so.so_pcb) 6951590Srgrimes printf(" %x", (int)so.so_pcb); 6961590Srgrimes break; 6971590Srgrimes case AF_UNIX: 6981590Srgrimes /* print address of pcb and connected pcb */ 6991590Srgrimes if (so.so_pcb) { 7001590Srgrimes printf(" %x", (int)so.so_pcb); 7011590Srgrimes if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb, 7021590Srgrimes sizeof(struct unpcb)) != sizeof(struct unpcb)){ 70337453Sbde dprintf(stderr, "can't read unpcb at %p\n", 70437453Sbde (void *)so.so_pcb); 7051590Srgrimes goto bad; 7061590Srgrimes } 7071590Srgrimes if (unpcb.unp_conn) { 7081590Srgrimes char shoconn[4], *cp; 7091590Srgrimes 7101590Srgrimes cp = shoconn; 7111590Srgrimes if (!(so.so_state & SS_CANTRCVMORE)) 7121590Srgrimes *cp++ = '<'; 7131590Srgrimes *cp++ = '-'; 7141590Srgrimes if (!(so.so_state & SS_CANTSENDMORE)) 7151590Srgrimes *cp++ = '>'; 7161590Srgrimes *cp = '\0'; 7171590Srgrimes printf(" %s %x", shoconn, 7181590Srgrimes (int)unpcb.unp_conn); 7191590Srgrimes } 7201590Srgrimes } 7211590Srgrimes break; 7221590Srgrimes default: 7231590Srgrimes /* print protocol number and socket address */ 7241590Srgrimes printf(" %d %x", proto.pr_protocol, (int)sock); 7251590Srgrimes } 7261590Srgrimes printf("\n"); 7271590Srgrimes return; 7281590Srgrimesbad: 7291590Srgrimes printf("* error\n"); 7301590Srgrimes} 7311590Srgrimes 7321590Srgrimes/* 7331590Srgrimes * getinetproto -- 7341590Srgrimes * print name of protocol number 7351590Srgrimes */ 7361590Srgrimesvoid 7371590Srgrimesgetinetproto(number) 7381590Srgrimes int number; 7391590Srgrimes{ 74048463Sru static int isopen; 74148463Sru register struct protoent *pe; 7421590Srgrimes 74348463Sru if (!isopen) 74448463Sru setprotoent(++isopen); 74548463Sru if ((pe = getprotobynumber(number)) != NULL) 74648463Sru printf(" %s", pe->p_name); 74748463Sru else 7481590Srgrimes printf(" %d", number); 7491590Srgrimes} 7501590Srgrimes 75117808Speterint 7521590Srgrimesgetfname(filename) 7531590Srgrimes char *filename; 7541590Srgrimes{ 7551590Srgrimes struct stat statbuf; 7561590Srgrimes DEVS *cur; 7571590Srgrimes 7581590Srgrimes if (stat(filename, &statbuf)) { 75927272Scharnier warn("%s", filename); 7601590Srgrimes return(0); 7611590Srgrimes } 76227272Scharnier if ((cur = malloc(sizeof(DEVS))) == NULL) 76327272Scharnier err(1, NULL); 7641590Srgrimes cur->next = devs; 7651590Srgrimes devs = cur; 7661590Srgrimes 7671590Srgrimes cur->ino = statbuf.st_ino; 7681590Srgrimes cur->fsid = statbuf.st_dev & 0xffff; 7691590Srgrimes cur->name = filename; 7701590Srgrimes return(1); 7711590Srgrimes} 7721590Srgrimes 7731590Srgrimesvoid 7741590Srgrimesusage() 7751590Srgrimes{ 7761590Srgrimes (void)fprintf(stderr, 7771590Srgrimes "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n"); 7781590Srgrimes exit(1); 7791590Srgrimes} 780