1019 lines
22 KiB
C
1019 lines
22 KiB
C
/*-
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1988, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)fstat.c 8.3 (Berkeley) 5/2/95";
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#endif
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#endif /* not lint */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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#include <sys/stat.h>
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#include <sys/vnode.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/domain.h>
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#include <sys/protosw.h>
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#include <sys/un.h>
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#include <sys/unpcb.h>
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#include <sys/sysctl.h>
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#include <sys/tty.h>
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#include <sys/filedesc.h>
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#include <sys/queue.h>
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#define _WANT_FILE
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#include <sys/file.h>
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#include <sys/conf.h>
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#define _KERNEL
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#include <sys/pipe.h>
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#include <sys/mount.h>
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#include <ufs/ufs/quota.h>
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#include <ufs/ufs/inode.h>
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#include <fs/devfs/devfs.h>
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#include <fs/devfs/devfs_int.h>
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#undef _KERNEL
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#include <nfs/nfsproto.h>
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#include <nfsclient/nfs.h>
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#include <nfsclient/nfsnode.h>
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#include <vm/vm.h>
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#include <vm/vm_map.h>
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#include <vm/vm_object.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/in_pcb.h>
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#include <ctype.h>
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#include <err.h>
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#include <fcntl.h>
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#include <kvm.h>
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#include <limits.h>
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#include <nlist.h>
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#include <paths.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <unistd.h>
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#include <netdb.h>
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#include "fstat.h"
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#define TEXT -1
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#define CDIR -2
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#define RDIR -3
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#define TRACE -4
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#define MMAP -5
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#define JDIR -6
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DEVS *devs;
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#ifdef notdef
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struct nlist nl[] = {
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{ "" },
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};
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#endif
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int fsflg, /* show files on same filesystem as file(s) argument */
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pflg, /* show files open by a particular pid */
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uflg; /* show files open by a particular (effective) user */
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int checkfile; /* true if restricting to particular files or filesystems */
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int nflg; /* (numerical) display f.s. and rdev as dev_t */
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int vflg; /* display errors in locating kernel data objects etc... */
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int mflg; /* include memory-mapped files */
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struct file **ofiles; /* buffer of pointers to file structures */
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int maxfiles;
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#define ALLOC_OFILES(d) \
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if ((d) > maxfiles) { \
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free(ofiles); \
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ofiles = malloc((d) * sizeof(struct file *)); \
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if (ofiles == NULL) { \
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err(1, NULL); \
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} \
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maxfiles = (d); \
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}
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char *memf, *nlistf;
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kvm_t *kd;
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static void fstat_kvm(int, int);
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static void fstat_sysctl(int, int);
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void dofiles(struct kinfo_proc *kp);
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void dommap(struct kinfo_proc *kp);
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void vtrans(struct vnode *vp, int i, int flag);
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int ufs_filestat(struct vnode *vp, struct filestat *fsp);
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int nfs_filestat(struct vnode *vp, struct filestat *fsp);
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int devfs_filestat(struct vnode *vp, struct filestat *fsp);
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char *getmnton(struct mount *m);
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void pipetrans(struct pipe *pi, int i, int flag);
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void socktrans(struct socket *sock, int i);
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void ptstrans(struct tty *tp, int i, int flag);
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void getinetproto(int number);
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int getfname(const char *filename);
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void usage(void);
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char *kdevtoname(struct cdev *dev);
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int
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main(int argc, char **argv)
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{
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struct passwd *passwd;
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int arg, ch, what;
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arg = 0;
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what = KERN_PROC_PROC;
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nlistf = memf = NULL;
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while ((ch = getopt(argc, argv, "fmnp:u:vN:M:")) != -1)
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switch((char)ch) {
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case 'f':
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fsflg = 1;
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break;
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case 'M':
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memf = optarg;
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break;
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case 'N':
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nlistf = optarg;
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break;
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case 'm':
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mflg = 1;
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break;
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case 'n':
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nflg = 1;
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break;
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case 'p':
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if (pflg++)
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usage();
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if (!isdigit(*optarg)) {
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warnx("-p requires a process id");
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usage();
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}
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what = KERN_PROC_PID;
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arg = atoi(optarg);
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break;
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case 'u':
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if (uflg++)
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usage();
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if (!(passwd = getpwnam(optarg)))
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errx(1, "%s: unknown uid", optarg);
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what = KERN_PROC_UID;
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arg = passwd->pw_uid;
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break;
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case 'v':
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vflg = 1;
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break;
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case '?':
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default:
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usage();
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}
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if (*(argv += optind)) {
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for (; *argv; ++argv) {
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if (getfname(*argv))
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checkfile = 1;
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}
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if (!checkfile) /* file(s) specified, but none accessable */
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exit(1);
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}
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if (fsflg && !checkfile) {
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/* -f with no files means use wd */
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if (getfname(".") == 0)
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exit(1);
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checkfile = 1;
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}
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if (memf != NULL)
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fstat_kvm(what, arg);
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else
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fstat_sysctl(what, arg);
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exit(0);
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}
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static void
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print_header(void)
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{
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if (nflg)
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printf("%s",
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"USER CMD PID FD DEV INUM MODE SZ|DV R/W");
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else
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printf("%s",
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"USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
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if (checkfile && fsflg == 0)
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printf(" NAME\n");
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else
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putchar('\n');
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}
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static void
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fstat_kvm(int what, int arg)
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{
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struct kinfo_proc *p, *plast;
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char buf[_POSIX2_LINE_MAX];
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int cnt;
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ALLOC_OFILES(256); /* reserve space for file pointers */
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/*
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* Discard setgid privileges if not the running kernel so that bad
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* guys can't print interesting stuff from kernel memory.
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*/
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if (nlistf != NULL || memf != NULL)
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setgid(getgid());
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if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL)
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errx(1, "%s", buf);
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setgid(getgid());
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#ifdef notdef
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if (kvm_nlist(kd, nl) != 0)
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errx(1, "no namelist: %s", kvm_geterr(kd));
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#endif
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if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL)
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errx(1, "%s", kvm_geterr(kd));
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print_header();
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for (plast = &p[cnt]; p < plast; ++p) {
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if (p->ki_stat == SZOMB)
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continue;
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dofiles(p);
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if (mflg)
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dommap(p);
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}
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}
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static void
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fstat_sysctl(int what, int arg)
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{
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/* not yet implemented */
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fstat_kvm(what, arg);
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}
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const char *Uname, *Comm;
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int Pid;
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#define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
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switch(i) { \
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case TEXT: \
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printf(" text"); \
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break; \
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case CDIR: \
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printf(" wd"); \
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break; \
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case RDIR: \
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printf(" root"); \
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break; \
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case TRACE: \
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printf(" tr"); \
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break; \
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case MMAP: \
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printf(" mmap"); \
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break; \
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case JDIR: \
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printf(" jail"); \
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break; \
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default: \
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printf(" %4d", i); \
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break; \
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}
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/*
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* print open files attributed to this process
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*/
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void
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dofiles(struct kinfo_proc *kp)
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{
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int i;
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struct file file;
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struct filedesc filed;
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Uname = user_from_uid(kp->ki_uid, 0);
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Pid = kp->ki_pid;
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Comm = kp->ki_comm;
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if (kp->ki_fd == NULL)
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return;
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if (!KVM_READ(kp->ki_fd, &filed, sizeof (filed))) {
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dprintf(stderr, "can't read filedesc at %p for pid %d\n",
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(void *)kp->ki_fd, Pid);
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return;
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}
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/*
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* root directory vnode, if one
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*/
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if (filed.fd_rdir)
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vtrans(filed.fd_rdir, RDIR, FREAD);
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/*
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* current working directory vnode
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*/
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if (filed.fd_cdir)
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vtrans(filed.fd_cdir, CDIR, FREAD);
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/*
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* jail root, if any.
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*/
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if (filed.fd_jdir)
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vtrans(filed.fd_jdir, JDIR, FREAD);
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/*
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* ktrace vnode, if one
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*/
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if (kp->ki_tracep)
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vtrans(kp->ki_tracep, TRACE, FREAD|FWRITE);
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/*
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* text vnode, if one
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*/
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if (kp->ki_textvp)
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vtrans(kp->ki_textvp, TEXT, FREAD);
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/*
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* open files
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*/
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#define FPSIZE (sizeof (struct file *))
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#define MAX_LASTFILE (0x1000000)
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/* Sanity check on filed.fd_lastfile */
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if (filed.fd_lastfile <= -1 || filed.fd_lastfile > MAX_LASTFILE)
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return;
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ALLOC_OFILES(filed.fd_lastfile+1);
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if (!KVM_READ(filed.fd_ofiles, ofiles,
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(filed.fd_lastfile+1) * FPSIZE)) {
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dprintf(stderr,
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"can't read file structures at %p for pid %d\n",
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(void *)filed.fd_ofiles, Pid);
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return;
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}
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for (i = 0; i <= filed.fd_lastfile; i++) {
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if (ofiles[i] == NULL)
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continue;
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if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
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dprintf(stderr, "can't read file %d at %p for pid %d\n",
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i, (void *)ofiles[i], Pid);
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continue;
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}
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if (file.f_type == DTYPE_VNODE)
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vtrans(file.f_vnode, i, file.f_flag);
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else if (file.f_type == DTYPE_SOCKET) {
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if (checkfile == 0)
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socktrans(file.f_data, i);
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}
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#ifdef DTYPE_PIPE
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else if (file.f_type == DTYPE_PIPE) {
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if (checkfile == 0)
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pipetrans(file.f_data, i, file.f_flag);
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}
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#endif
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#ifdef DTYPE_FIFO
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else if (file.f_type == DTYPE_FIFO) {
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if (checkfile == 0)
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vtrans(file.f_vnode, i, file.f_flag);
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}
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#endif
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#ifdef DTYPE_PTS
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else if (file.f_type == DTYPE_PTS) {
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if (checkfile == 0)
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ptstrans(file.f_data, i, file.f_flag);
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}
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#endif
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else {
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dprintf(stderr,
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"unknown file type %d for file %d of pid %d\n",
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file.f_type, i, Pid);
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}
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}
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}
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void
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dommap(struct kinfo_proc *kp)
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{
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vm_map_t map;
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struct vmspace vmspace;
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struct vm_map_entry entry;
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vm_map_entry_t entryp;
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struct vm_object object;
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vm_object_t objp;
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int prot, fflags;
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if (!KVM_READ(kp->ki_vmspace, &vmspace, sizeof(vmspace))) {
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dprintf(stderr,
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"can't read vmspace at %p for pid %d\n",
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(void *)kp->ki_vmspace, Pid);
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return;
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}
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map = &vmspace.vm_map;
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for (entryp = map->header.next;
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entryp != &kp->ki_vmspace->vm_map.header; entryp = entry.next) {
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if (!KVM_READ(entryp, &entry, sizeof(entry))) {
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dprintf(stderr,
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"can't read vm_map_entry at %p for pid %d\n",
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(void *)entryp, Pid);
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return;
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}
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if (entry.eflags & MAP_ENTRY_IS_SUB_MAP)
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continue;
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if ((objp = entry.object.vm_object) == NULL)
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continue;
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for (; objp; objp = object.backing_object) {
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if (!KVM_READ(objp, &object, sizeof(object))) {
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dprintf(stderr,
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"can't read vm_object at %p for pid %d\n",
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(void *)objp, Pid);
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return;
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}
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}
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|
|
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prot = entry.protection;
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fflags = (prot & VM_PROT_READ ? FREAD : 0) |
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(prot & VM_PROT_WRITE ? FWRITE : 0);
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|
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switch (object.type) {
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case OBJT_VNODE:
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vtrans((struct vnode *)object.handle, MMAP, fflags);
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break;
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default:
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break;
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}
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|
}
|
|
}
|
|
|
|
char *
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|
kdevtoname(struct cdev *dev)
|
|
{
|
|
struct cdev si;
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|
|
|
if (!KVM_READ(dev, &si, sizeof si))
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return (NULL);
|
|
return (strdup(si.__si_namebuf));
|
|
}
|
|
|
|
void
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vtrans(struct vnode *vp, int i, int flag)
|
|
{
|
|
struct vnode vn;
|
|
struct filestat fst;
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|
char rw[3], mode[15], tagstr[12], *tagptr;
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|
const char *badtype, *filename;
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|
|
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filename = badtype = NULL;
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if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
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|
dprintf(stderr, "can't read vnode at %p for pid %d\n",
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(void *)vp, Pid);
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return;
|
|
}
|
|
if (!KVM_READ(&vp->v_tag, &tagptr, sizeof tagptr) ||
|
|
!KVM_READ(tagptr, tagstr, sizeof tagstr)) {
|
|
dprintf(stderr, "can't read v_tag at %p for pid %d\n",
|
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(void *)vp, Pid);
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|
return;
|
|
}
|
|
tagstr[sizeof(tagstr) - 1] = '\0';
|
|
if (vn.v_type == VNON)
|
|
badtype = "none";
|
|
else if (vn.v_type == VBAD)
|
|
badtype = "bad";
|
|
else {
|
|
if (!strcmp("ufs", tagstr)) {
|
|
if (!ufs_filestat(&vn, &fst))
|
|
badtype = "error";
|
|
} else if (!strcmp("devfs", tagstr)) {
|
|
if (!devfs_filestat(&vn, &fst))
|
|
badtype = "error";
|
|
} else if (!strcmp("nfs", tagstr)) {
|
|
if (!nfs_filestat(&vn, &fst))
|
|
badtype = "error";
|
|
} else if (!strcmp("msdosfs", tagstr)) {
|
|
if (!msdosfs_filestat(&vn, &fst))
|
|
badtype = "error";
|
|
} else if (!strcmp("isofs", tagstr)) {
|
|
if (!isofs_filestat(&vn, &fst))
|
|
badtype = "error";
|
|
#ifdef ZFS
|
|
} else if (!strcmp("zfs", tagstr)) {
|
|
if (!zfs_filestat(&vn, &fst))
|
|
badtype = "error";
|
|
#endif
|
|
} else {
|
|
static char unknown[32];
|
|
snprintf(unknown, sizeof unknown, "?(%s)", tagstr);
|
|
badtype = unknown;
|
|
}
|
|
}
|
|
if (checkfile) {
|
|
int fsmatch = 0;
|
|
DEVS *d;
|
|
|
|
if (badtype)
|
|
return;
|
|
for (d = devs; d != NULL; d = d->next)
|
|
if (d->fsid == fst.fsid) {
|
|
fsmatch = 1;
|
|
if (d->ino == fst.fileid) {
|
|
filename = d->name;
|
|
break;
|
|
}
|
|
}
|
|
if (fsmatch == 0 || (filename == NULL && fsflg == 0))
|
|
return;
|
|
}
|
|
PREFIX(i);
|
|
if (badtype) {
|
|
(void)printf(" - - %10s -\n", badtype);
|
|
return;
|
|
}
|
|
if (nflg)
|
|
(void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid));
|
|
else
|
|
(void)printf(" %-8s", getmnton(vn.v_mount));
|
|
if (nflg)
|
|
(void)sprintf(mode, "%o", fst.mode);
|
|
else
|
|
strmode(fst.mode, mode);
|
|
(void)printf(" %6ld %10s", fst.fileid, mode);
|
|
switch (vn.v_type) {
|
|
case VBLK:
|
|
case VCHR: {
|
|
char *name;
|
|
|
|
name = kdevtoname(vn.v_rdev);
|
|
if (nflg || !name)
|
|
printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev));
|
|
else {
|
|
printf(" %6s", name);
|
|
free(name);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
printf(" %6lu", fst.size);
|
|
}
|
|
rw[0] = '\0';
|
|
if (flag & FREAD)
|
|
strcat(rw, "r");
|
|
if (flag & FWRITE)
|
|
strcat(rw, "w");
|
|
printf(" %2s", rw);
|
|
if (filename && !fsflg)
|
|
printf(" %s", filename);
|
|
putchar('\n');
|
|
}
|
|
|
|
int
|
|
ufs_filestat(struct vnode *vp, struct filestat *fsp)
|
|
{
|
|
struct inode inode;
|
|
|
|
if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
|
|
dprintf(stderr, "can't read inode at %p for pid %d\n",
|
|
(void *)VTOI(vp), Pid);
|
|
return 0;
|
|
}
|
|
/*
|
|
* The st_dev from stat(2) is a dev_t. These kernel structures
|
|
* contain cdev pointers. We need to convert to dev_t to make
|
|
* comparisons
|
|
*/
|
|
fsp->fsid = dev2udev(inode.i_dev);
|
|
fsp->fileid = (long)inode.i_number;
|
|
fsp->mode = (mode_t)inode.i_mode;
|
|
fsp->size = (u_long)inode.i_size;
|
|
#if should_be_but_is_hard
|
|
/* XXX - need to load i_ump and i_din[12] from kernel memory */
|
|
if (inode.i_ump->um_fstype == UFS1)
|
|
fsp->rdev = inode.i_din1->di_rdev;
|
|
else
|
|
fsp->rdev = inode.i_din2->di_rdev;
|
|
#else
|
|
fsp->rdev = 0;
|
|
#endif
|
|
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
devfs_filestat(struct vnode *vp, struct filestat *fsp)
|
|
{
|
|
struct devfs_dirent devfs_dirent;
|
|
struct mount mount;
|
|
struct vnode vnode;
|
|
|
|
if (!KVM_READ(vp->v_data, &devfs_dirent, sizeof (devfs_dirent))) {
|
|
dprintf(stderr, "can't read devfs_dirent at %p for pid %d\n",
|
|
(void *)vp->v_data, Pid);
|
|
return 0;
|
|
}
|
|
if (!KVM_READ(vp->v_mount, &mount, sizeof (mount))) {
|
|
dprintf(stderr, "can't read mount at %p for pid %d\n",
|
|
(void *)vp->v_mount, Pid);
|
|
return 0;
|
|
}
|
|
if (!KVM_READ(devfs_dirent.de_vnode, &vnode, sizeof (vnode))) {
|
|
dprintf(stderr, "can't read vnode at %p for pid %d\n",
|
|
(void *)devfs_dirent.de_vnode, Pid);
|
|
return 0;
|
|
}
|
|
fsp->fsid = (long)mount.mnt_stat.f_fsid.val[0];
|
|
fsp->fileid = devfs_dirent.de_inode;
|
|
fsp->mode = (devfs_dirent.de_mode & ~S_IFMT) | S_IFCHR;
|
|
fsp->size = 0;
|
|
fsp->rdev = dev2udev(vnode.v_rdev);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
nfs_filestat(struct vnode *vp, struct filestat *fsp)
|
|
{
|
|
struct nfsnode nfsnode;
|
|
mode_t mode;
|
|
|
|
if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
|
|
dprintf(stderr, "can't read nfsnode at %p for pid %d\n",
|
|
(void *)VTONFS(vp), Pid);
|
|
return 0;
|
|
}
|
|
fsp->fsid = nfsnode.n_vattr.va_fsid;
|
|
fsp->fileid = nfsnode.n_vattr.va_fileid;
|
|
fsp->size = nfsnode.n_size;
|
|
fsp->rdev = nfsnode.n_vattr.va_rdev;
|
|
mode = (mode_t)nfsnode.n_vattr.va_mode;
|
|
switch (vp->v_type) {
|
|
case VREG:
|
|
mode |= S_IFREG;
|
|
break;
|
|
case VDIR:
|
|
mode |= S_IFDIR;
|
|
break;
|
|
case VBLK:
|
|
mode |= S_IFBLK;
|
|
break;
|
|
case VCHR:
|
|
mode |= S_IFCHR;
|
|
break;
|
|
case VLNK:
|
|
mode |= S_IFLNK;
|
|
break;
|
|
case VSOCK:
|
|
mode |= S_IFSOCK;
|
|
break;
|
|
case VFIFO:
|
|
mode |= S_IFIFO;
|
|
break;
|
|
case VNON:
|
|
case VBAD:
|
|
case VMARKER:
|
|
return 0;
|
|
};
|
|
fsp->mode = mode;
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
char *
|
|
getmnton(struct mount *m)
|
|
{
|
|
static struct mount mount;
|
|
static struct mtab {
|
|
struct mtab *next;
|
|
struct mount *m;
|
|
char mntonname[MNAMELEN];
|
|
} *mhead = NULL;
|
|
struct mtab *mt;
|
|
|
|
for (mt = mhead; mt != NULL; mt = mt->next)
|
|
if (m == mt->m)
|
|
return (mt->mntonname);
|
|
if (!KVM_READ(m, &mount, sizeof(struct mount))) {
|
|
warnx("can't read mount table at %p", (void *)m);
|
|
return (NULL);
|
|
}
|
|
if ((mt = malloc(sizeof (struct mtab))) == NULL)
|
|
err(1, NULL);
|
|
mt->m = m;
|
|
bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
|
|
mt->next = mhead;
|
|
mhead = mt;
|
|
return (mt->mntonname);
|
|
}
|
|
|
|
void
|
|
pipetrans(struct pipe *pi, int i, int flag)
|
|
{
|
|
struct pipe pip;
|
|
char rw[3];
|
|
|
|
PREFIX(i);
|
|
|
|
/* fill in socket */
|
|
if (!KVM_READ(pi, &pip, sizeof(struct pipe))) {
|
|
dprintf(stderr, "can't read pipe at %p\n", (void *)pi);
|
|
goto bad;
|
|
}
|
|
|
|
printf("* pipe %8lx <-> %8lx", (u_long)pi, (u_long)pip.pipe_peer);
|
|
printf(" %6d", (int)pip.pipe_buffer.cnt);
|
|
rw[0] = '\0';
|
|
if (flag & FREAD)
|
|
strcat(rw, "r");
|
|
if (flag & FWRITE)
|
|
strcat(rw, "w");
|
|
printf(" %2s", rw);
|
|
putchar('\n');
|
|
return;
|
|
|
|
bad:
|
|
printf("* error\n");
|
|
}
|
|
|
|
void
|
|
socktrans(struct socket *sock, int i)
|
|
{
|
|
static const char *stypename[] = {
|
|
"unused", /* 0 */
|
|
"stream", /* 1 */
|
|
"dgram", /* 2 */
|
|
"raw", /* 3 */
|
|
"rdm", /* 4 */
|
|
"seqpak" /* 5 */
|
|
};
|
|
#define STYPEMAX 5
|
|
struct socket so;
|
|
struct protosw proto;
|
|
struct domain dom;
|
|
struct inpcb inpcb;
|
|
struct unpcb unpcb;
|
|
int len;
|
|
char dname[32];
|
|
|
|
PREFIX(i);
|
|
|
|
/* fill in socket */
|
|
if (!KVM_READ(sock, &so, sizeof(struct socket))) {
|
|
dprintf(stderr, "can't read sock at %p\n", (void *)sock);
|
|
goto bad;
|
|
}
|
|
|
|
/* fill in protosw entry */
|
|
if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
|
|
dprintf(stderr, "can't read protosw at %p",
|
|
(void *)so.so_proto);
|
|
goto bad;
|
|
}
|
|
|
|
/* fill in domain */
|
|
if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
|
|
dprintf(stderr, "can't read domain at %p\n",
|
|
(void *)proto.pr_domain);
|
|
goto bad;
|
|
}
|
|
|
|
if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
|
|
sizeof(dname) - 1)) < 0) {
|
|
dprintf(stderr, "can't read domain name at %p\n",
|
|
(void *)dom.dom_name);
|
|
dname[0] = '\0';
|
|
}
|
|
else
|
|
dname[len] = '\0';
|
|
|
|
if ((u_short)so.so_type > STYPEMAX)
|
|
printf("* %s ?%d", dname, so.so_type);
|
|
else
|
|
printf("* %s %s", dname, stypename[so.so_type]);
|
|
|
|
/*
|
|
* protocol specific formatting
|
|
*
|
|
* Try to find interesting things to print. For tcp, the interesting
|
|
* thing is the address of the tcpcb, for udp and others, just the
|
|
* inpcb (socket pcb). For unix domain, its the address of the socket
|
|
* pcb and the address of the connected pcb (if connected). Otherwise
|
|
* just print the protocol number and address of the socket itself.
|
|
* The idea is not to duplicate netstat, but to make available enough
|
|
* information for further analysis.
|
|
*/
|
|
switch(dom.dom_family) {
|
|
case AF_INET:
|
|
case AF_INET6:
|
|
getinetproto(proto.pr_protocol);
|
|
if (proto.pr_protocol == IPPROTO_TCP ) {
|
|
if (so.so_pcb) {
|
|
if (kvm_read(kd, (u_long)so.so_pcb,
|
|
(char *)&inpcb, sizeof(struct inpcb))
|
|
!= sizeof(struct inpcb)) {
|
|
dprintf(stderr,
|
|
"can't read inpcb at %p\n",
|
|
(void *)so.so_pcb);
|
|
goto bad;
|
|
}
|
|
printf(" %lx", (u_long)inpcb.inp_ppcb);
|
|
}
|
|
}
|
|
else if (so.so_pcb)
|
|
printf(" %lx", (u_long)so.so_pcb);
|
|
break;
|
|
case AF_UNIX:
|
|
/* print address of pcb and connected pcb */
|
|
if (so.so_pcb) {
|
|
printf(" %lx", (u_long)so.so_pcb);
|
|
if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
|
|
sizeof(struct unpcb)) != sizeof(struct unpcb)){
|
|
dprintf(stderr, "can't read unpcb at %p\n",
|
|
(void *)so.so_pcb);
|
|
goto bad;
|
|
}
|
|
if (unpcb.unp_conn) {
|
|
char shoconn[4], *cp;
|
|
|
|
cp = shoconn;
|
|
if (!(so.so_rcv.sb_state & SBS_CANTRCVMORE))
|
|
*cp++ = '<';
|
|
*cp++ = '-';
|
|
if (!(so.so_snd.sb_state & SBS_CANTSENDMORE))
|
|
*cp++ = '>';
|
|
*cp = '\0';
|
|
printf(" %s %lx", shoconn,
|
|
(u_long)unpcb.unp_conn);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
/* print protocol number and socket address */
|
|
printf(" %d %lx", proto.pr_protocol, (u_long)sock);
|
|
}
|
|
printf("\n");
|
|
return;
|
|
bad:
|
|
printf("* error\n");
|
|
}
|
|
|
|
void
|
|
ptstrans(struct tty *tp, int i, int flag)
|
|
{
|
|
struct tty tty;
|
|
char *name;
|
|
char rw[3];
|
|
dev_t rdev;
|
|
|
|
PREFIX(i);
|
|
|
|
/* Obtain struct tty. */
|
|
if (!KVM_READ(tp, &tty, sizeof(struct tty))) {
|
|
dprintf(stderr, "can't read tty at %p\n", (void *)tp);
|
|
goto bad;
|
|
}
|
|
|
|
/* Figure out the device name. */
|
|
name = kdevtoname(tty.t_dev);
|
|
if (name == NULL) {
|
|
dprintf(stderr, "can't determine tty name at %p\n", (void *)tp);
|
|
goto bad;
|
|
}
|
|
|
|
rw[0] = '\0';
|
|
if (flag & FREAD)
|
|
strcat(rw, "r");
|
|
if (flag & FWRITE)
|
|
strcat(rw, "w");
|
|
|
|
printf("* pseudo-terminal master ");
|
|
if (nflg || !name) {
|
|
rdev = dev2udev(tty.t_dev);
|
|
printf("%10d,%-2d", major(rdev), minor(rdev));
|
|
} else {
|
|
printf("%10s", name);
|
|
}
|
|
printf(" %2s\n", rw);
|
|
|
|
free(name);
|
|
|
|
return;
|
|
bad:
|
|
printf("* error\n");
|
|
}
|
|
|
|
/*
|
|
* Read the cdev structure in the kernel in order to work out the
|
|
* associated dev_t
|
|
*/
|
|
dev_t
|
|
dev2udev(struct cdev *dev)
|
|
{
|
|
struct cdev_priv priv;
|
|
|
|
if (KVM_READ(cdev2priv(dev), &priv, sizeof priv)) {
|
|
return ((dev_t)priv.cdp_inode);
|
|
} else {
|
|
dprintf(stderr, "can't convert cdev *%p to a dev_t\n", dev);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* getinetproto --
|
|
* print name of protocol number
|
|
*/
|
|
void
|
|
getinetproto(int number)
|
|
{
|
|
static int isopen;
|
|
struct protoent *pe;
|
|
|
|
if (!isopen)
|
|
setprotoent(++isopen);
|
|
if ((pe = getprotobynumber(number)) != NULL)
|
|
printf(" %s", pe->p_name);
|
|
else
|
|
printf(" %d", number);
|
|
}
|
|
|
|
int
|
|
getfname(const char *filename)
|
|
{
|
|
struct stat statbuf;
|
|
DEVS *cur;
|
|
|
|
if (stat(filename, &statbuf)) {
|
|
warn("%s", filename);
|
|
return(0);
|
|
}
|
|
if ((cur = malloc(sizeof(DEVS))) == NULL)
|
|
err(1, NULL);
|
|
cur->next = devs;
|
|
devs = cur;
|
|
|
|
cur->ino = statbuf.st_ino;
|
|
cur->fsid = statbuf.st_dev;
|
|
cur->name = filename;
|
|
return(1);
|
|
}
|
|
|
|
#ifdef ZFS
|
|
void *
|
|
getvnodedata(struct vnode *vp)
|
|
{
|
|
return (vp->v_data);
|
|
}
|
|
|
|
struct mount *
|
|
getvnodemount(struct vnode *vp)
|
|
{
|
|
return (vp->v_mount);
|
|
}
|
|
#endif
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
(void)fprintf(stderr,
|
|
"usage: fstat [-fmnv] [-M core] [-N system] [-p pid] [-u user] [file ...]\n");
|
|
exit(1);
|
|
}
|