NetBSD/usr.bin/fstat/fstat.c

1069 lines
25 KiB
C

/* $NetBSD: fstat.c,v 1.72 2005/07/17 07:36:26 christos Exp $ */
/*-
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)fstat.c 8.3 (Berkeley) 5/2/95";
#else
__RCSID("$NetBSD: fstat.c,v 1.72 2005/07/17 07:36:26 christos Exp $");
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/time.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/stat.h>
#include <sys/vnode.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/domain.h>
#include <sys/protosw.h>
#include <sys/unpcb.h>
#include <sys/sysctl.h>
#include <sys/filedesc.h>
#include <sys/pipe.h>
#define _KERNEL
#include <sys/file.h>
#include <ufs/ufs/inode.h>
#undef _KERNEL
#define _KERNEL
#include <sys/mount.h>
#undef _KERNEL
#define NFS
#include <nfs/nfsproto.h>
#include <nfs/rpcv2.h>
#include <nfs/nfs.h>
#include <nfs/nfsnode.h>
#undef NFS
#include <msdosfs/denode.h>
#include <msdosfs/bpb.h>
#define _KERNEL
#include <msdosfs/msdosfsmount.h>
#undef _KERNEL
#define _KERNEL
#include <miscfs/genfs/layer.h>
#undef _KERNEL
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/in_pcb.h>
#ifdef INET6
#include <netinet/ip6.h>
#include <netinet6/ip6_var.h>
#include <netinet6/in6_pcb.h>
#endif
#include <netdb.h>
#include <arpa/inet.h>
#include <ctype.h>
#include <errno.h>
#include <kvm.h>
#include <limits.h>
#include <nlist.h>
#include <paths.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <err.h>
#include "fstat.h"
#define TEXT -1
#define CDIR -2
#define RDIR -3
#define TRACE -4
typedef struct devs {
struct devs *next;
long fsid;
ino_t ino;
const char *name;
} DEVS;
static DEVS *devs;
static int fsflg, /* show files on same filesystem as file(s) argument */
pflg, /* show files open by a particular pid */
uflg; /* show files open by a particular (effective) user */
static int checkfile; /* true if restricting to particular files or filesystems */
static int nflg; /* (numerical) display f.s. and rdev as dev_t */
int vflg; /* display errors in locating kernel data objects etc... */
static struct file **ofiles; /* buffer of pointers to file structures */
static int maxfiles;
#define ALLOC_OFILES(d) \
if ((d) > maxfiles) { \
free(ofiles); \
ofiles = malloc((d) * sizeof(struct file *)); \
if (ofiles == NULL) { \
err(1, "malloc(%u)", (d) * \
(unsigned int)sizeof(struct file *)); \
} \
maxfiles = (d); \
}
kvm_t *kd;
static void dofiles(struct kinfo_proc2 *);
static int ext2fs_filestat(struct vnode *, struct filestat *);
static int getfname(const char *);
static void getinetproto(int);
static char *getmnton(struct mount *);
static const char *layer_filestat(struct vnode *, struct filestat *);
static int msdosfs_filestat(struct vnode *, struct filestat *);
static int nfs_filestat(struct vnode *, struct filestat *);
#ifdef INET6
static const char *inet6_addrstr(struct in6_addr *);
#endif
static void socktrans(struct socket *, int);
static void kqueuetrans(void *, int);
static int ufs_filestat(struct vnode *, struct filestat *);
static void usage(void) __attribute__((__noreturn__));
static const char *vfilestat(struct vnode *, struct filestat *);
static void vtrans(struct vnode *, int, int);
static void ftrans(struct file *, int);
static void ptrans(struct file *, struct pipe *, int);
int
main(int argc, char **argv)
{
struct passwd *passwd;
struct kinfo_proc2 *p, *plast;
int arg, ch, what;
char *memf, *nlistf;
char buf[_POSIX2_LINE_MAX];
int cnt;
gid_t egid = getegid();
(void)setegid(getgid());
arg = 0;
what = KERN_PROC_ALL;
nlistf = memf = NULL;
while ((ch = getopt(argc, argv, "fnp:u:vN:M:")) != -1)
switch((char)ch) {
case 'f':
fsflg = 1;
break;
case 'M':
memf = optarg;
break;
case 'N':
nlistf = optarg;
break;
case 'n':
nflg = 1;
break;
case 'p':
if (pflg++)
usage();
if (!isdigit((unsigned char)*optarg)) {
warnx("-p requires a process id");
usage();
}
what = KERN_PROC_PID;
arg = atoi(optarg);
break;
case 'u':
if (uflg++)
usage();
if (!(passwd = getpwnam(optarg))) {
errx(1, "%s: unknown uid", optarg);
}
what = KERN_PROC_UID;
arg = passwd->pw_uid;
break;
case 'v':
vflg = 1;
break;
case '?':
default:
usage();
}
if (*(argv += optind)) {
for (; *argv; ++argv) {
if (getfname(*argv))
checkfile = 1;
}
if (!checkfile) /* file(s) specified, but none accessible */
exit(1);
}
ALLOC_OFILES(256); /* reserve space for file pointers */
if (fsflg && !checkfile) {
/* -f with no files means use wd */
if (getfname(".") == 0)
exit(1);
checkfile = 1;
}
/*
* Discard setgid privileges. If not the running kernel, we toss
* them away totally so that bad guys can't print interesting stuff
* from kernel memory, otherwise switch back to kmem for the
* duration of the kvm_openfiles() call.
*/
if (nlistf != NULL || memf != NULL)
(void)setgid(getgid());
else
(void)setegid(egid);
if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL)
errx(1, "%s", buf);
/* get rid of it now anyway */
if (nlistf == NULL && memf == NULL)
(void)setgid(getgid());
if ((p = kvm_getproc2(kd, what, arg, sizeof *p, &cnt)) == NULL) {
errx(1, "%s", kvm_geterr(kd));
}
if (nflg)
(void)printf("%s",
"USER CMD PID FD DEV INUM MODE SZ|DV R/W");
else
(void)printf("%s",
"USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
if (checkfile && fsflg == 0)
(void)printf(" NAME\n");
else
(void)putchar('\n');
for (plast = &p[cnt]; p < plast; ++p) {
if (p->p_stat == SZOMB)
continue;
dofiles(p);
}
return 0;
}
static const char *Uname, *Comm;
pid_t Pid;
#define PREFIX(i) (void)printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
switch(i) { \
case TEXT: \
(void)printf(" text"); \
break; \
case CDIR: \
(void)printf(" wd"); \
break; \
case RDIR: \
(void)printf(" root"); \
break; \
case TRACE: \
(void)printf(" tr"); \
break; \
default: \
(void)printf(" %4d", i); \
break; \
}
/*
* print open files attributed to this process
*/
static void
dofiles(struct kinfo_proc2 *p)
{
int i;
struct filedesc0 filed0;
#define filed filed0.fd_fd
struct cwdinfo cwdi;
Uname = user_from_uid(p->p_uid, 0);
Pid = p->p_pid;
Comm = p->p_comm;
if (p->p_fd == 0 || p->p_cwdi == 0)
return;
if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) {
warnx("can't read filedesc at %#llx for pid %d", (unsigned long long)p->p_fd, Pid);
return;
}
if (!KVM_READ(p->p_cwdi, &cwdi, sizeof(cwdi))) {
warnx("can't read cwdinfo at %#llx for pid %d", (unsigned long long)p->p_cwdi, Pid);
return;
}
if (filed.fd_nfiles < 0 || filed.fd_lastfile >= filed.fd_nfiles ||
filed.fd_freefile > filed.fd_lastfile + 1) {
dprintf("filedesc corrupted at %#llx for pid %d", (unsigned long long)p->p_fd, Pid);
return;
}
/*
* root directory vnode, if one
*/
if (cwdi.cwdi_rdir)
vtrans(cwdi.cwdi_rdir, RDIR, FREAD);
/*
* current working directory vnode
*/
vtrans(cwdi.cwdi_cdir, CDIR, FREAD);
/*
* ktrace vnode, if one
*/
if (p->p_tracep)
ftrans((struct file *)(intptr_t)p->p_tracep, TRACE);
/*
* open files
*/
#define FPSIZE (sizeof (struct file *))
ALLOC_OFILES(filed.fd_lastfile+1);
if (filed.fd_nfiles > NDFILE) {
if (!KVM_READ(filed.fd_ofiles, ofiles,
(filed.fd_lastfile+1) * FPSIZE)) {
dprintf("can't read file structures at %p for pid %d",
filed.fd_ofiles, Pid);
return;
}
} else
(void)memmove(ofiles, filed0.fd_dfiles,
(filed.fd_lastfile+1) * FPSIZE);
for (i = 0; i <= filed.fd_lastfile; i++) {
if (ofiles[i] == NULL)
continue;
ftrans(ofiles[i], i);
}
}
static void
ftrans(struct file *fp, int i)
{
struct file file;
if (!KVM_READ(fp, &file, sizeof (struct file))) {
dprintf("can't read file %d at %p for pid %d",
i, fp, Pid);
return;
}
switch (file.f_type) {
case DTYPE_VNODE:
vtrans((struct vnode *)file.f_data, i, file.f_flag);
break;
case DTYPE_SOCKET:
if (checkfile == 0)
socktrans((struct socket *)file.f_data, i);
break;
case DTYPE_PIPE:
if (checkfile == 0)
ptrans(&file, (struct pipe *)file.f_data, i);
break;
case DTYPE_KQUEUE:
if (checkfile == 0)
kqueuetrans((void *)file.f_data, i);
break;
default:
dprintf("unknown file type %d for file %d of pid %d",
file.f_type, i, Pid);
break;
}
}
static const char *
vfilestat(struct vnode *vp, struct filestat *fsp)
{
const char *badtype = NULL;
if (vp->v_type == VNON || vp->v_tag == VT_NON)
badtype = "none";
else if (vp->v_type == VBAD)
badtype = "bad";
else
switch (vp->v_tag) {
case VT_UFS:
case VT_LFS:
case VT_MFS:
if (!ufs_filestat(vp, fsp))
badtype = "error";
break;
case VT_MSDOSFS:
if (!msdosfs_filestat(vp, fsp))
badtype = "error";
break;
case VT_NFS:
if (!nfs_filestat(vp, fsp))
badtype = "error";
break;
case VT_EXT2FS:
if (!ext2fs_filestat(vp, fsp))
badtype = "error";
break;
case VT_ISOFS:
if (!isofs_filestat(vp, fsp))
badtype = "error";
break;
case VT_NTFS:
if (!ntfs_filestat(vp, fsp))
badtype = "error";
break;
case VT_PTYFS:
if (!ptyfs_filestat(vp, fsp))
badtype = "error";
break;
case VT_NULL:
case VT_OVERLAY:
case VT_UMAP:
badtype = layer_filestat(vp, fsp);
break;
default: {
static char unknown[10];
(void)snprintf(unknown, sizeof unknown,
"?(%x)", vp->v_tag);
badtype = unknown;
break;
}
}
return (badtype);
}
static void
vtrans(struct vnode *vp, int i, int flag)
{
struct vnode vn;
struct filestat fst;
char mode[15], rw[3];
const char *badtype, *filename;
filename = NULL;
if (!KVM_READ(vp, &vn, sizeof(struct vnode))) {
dprintf("can't read vnode at %p for pid %d", vp, Pid);
return;
}
badtype = vfilestat(&vn, &fst);
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)snprintf(mode, sizeof mode, "%o", fst.mode);
else
strmode(fst.mode, mode);
(void)printf(" %7lu %*s", (unsigned long)fst.fileid, nflg ? 5 : 10, mode);
switch (vn.v_type) {
case VBLK:
case VCHR: {
char *name;
if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
S_IFCHR : S_IFBLK)) == NULL))
(void)printf(" %2d,%-2d", major(fst.rdev),
minor(fst.rdev));
else
(void)printf(" %6s", name);
break;
}
default:
(void)printf(" %6lld", (long long)fst.size);
}
rw[0] = '\0';
if (flag & FREAD)
(void)strlcat(rw, "r", sizeof(rw));
if (flag & FWRITE)
(void)strlcat(rw, "w", sizeof(rw));
(void)printf(" %-2s", rw);
if (filename && !fsflg)
(void)printf(" %s", filename);
(void)putchar('\n');
}
static int
ufs_filestat(struct vnode *vp, struct filestat *fsp)
{
struct inode inode;
union dinode {
struct ufs1_dinode dp1;
struct ufs2_dinode dp2;
} dip;
if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid);
return 0;
}
if (!KVM_READ(inode.i_din.ffs1_din, &dip, sizeof(struct ufs1_dinode))) {
dprintf("can't read dinode at %p for pid %d",
inode.i_din.ffs1_din, Pid);
return 0;
}
if (inode.i_size == dip.dp1.di_size)
fsp->rdev = dip.dp1.di_rdev;
else {
if (!KVM_READ(inode.i_din.ffs1_din, &dip,
sizeof(struct ufs2_dinode))) {
dprintf("can't read dinode at %p for pid %d",
inode.i_din.ffs1_din, Pid);
return 0;
}
fsp->rdev = dip.dp2.di_rdev;
}
fsp->fsid = inode.i_dev & 0xffff;
fsp->fileid = (long)inode.i_number;
fsp->mode = (mode_t)inode.i_mode;
fsp->size = inode.i_size;
return 1;
}
static int
ext2fs_filestat(struct vnode *vp, struct filestat *fsp)
{
struct inode inode;
u_int16_t mode;
u_int32_t size;
if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
dprintf("can't read inode at %p for pid %d", VTOI(vp), Pid);
return 0;
}
fsp->fsid = inode.i_dev & 0xffff;
fsp->fileid = (long)inode.i_number;
if (!KVM_READ(&inode.i_e2fs_mode, &mode, sizeof mode)) {
dprintf("can't read inode %p's mode at %p for pid %d", VTOI(vp),
&inode.i_e2fs_mode, Pid);
return 0;
}
fsp->mode = mode;
if (!KVM_READ(&inode.i_e2fs_size, &size, sizeof size)) {
dprintf("can't read inode %p's size at %p for pid %d", VTOI(vp),
&inode.i_e2fs_size, Pid);
return 0;
}
fsp->size = size;
fsp->rdev = 0; /* XXX */
return 1;
}
static int
nfs_filestat(struct vnode *vp, struct filestat *fsp)
{
struct nfsnode nfsnode;
struct vattr va;
if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
dprintf("can't read nfsnode at %p for pid %d", VTONFS(vp),
Pid);
return 0;
}
if (!KVM_READ(nfsnode.n_vattr, &va, sizeof(va))) {
dprintf("can't read vnode attributes at %p for pid %d",
nfsnode.n_vattr, Pid);
return 0;
}
fsp->fsid = va.va_fsid;
fsp->fileid = va.va_fileid;
fsp->size = nfsnode.n_size;
fsp->rdev = va.va_rdev;
fsp->mode = (mode_t)va.va_mode | getftype(vp->v_type);
return 1;
}
static int
msdosfs_filestat(struct vnode *vp, struct filestat *fsp)
{
struct denode de;
struct msdosfsmount mp;
if (!KVM_READ(VTONFS(vp), &de, sizeof(de))) {
dprintf("can't read denode at %p for pid %d", VTONFS(vp),
Pid);
return 0;
}
if (!KVM_READ(de.de_pmp, &mp, sizeof(mp))) {
dprintf("can't read mount struct at %p for pid %d", de.de_pmp,
Pid);
return 0;
}
fsp->fsid = de.de_dev & 0xffff;
fsp->fileid = 0; /* XXX see msdosfs_vptofh() for more info */
fsp->size = de.de_FileSize;
fsp->rdev = 0; /* msdosfs doesn't support device files */
fsp->mode = (0777 & mp.pm_mask) | getftype(vp->v_type);
return 1;
}
static const char *
layer_filestat(struct vnode *vp, struct filestat *fsp)
{
struct layer_node layer_node;
struct mount mount;
struct vnode vn;
const char *badtype;
if (!KVM_READ(VTOLAYER(vp), &layer_node, sizeof(layer_node))) {
dprintf("can't read layer_node at %p for pid %d",
VTOLAYER(vp), Pid);
return ("error");
}
if (!KVM_READ(vp->v_mount, &mount, sizeof(struct mount))) {
dprintf("can't read mount struct at %p for pid %d",
vp->v_mount, Pid);
return ("error");
}
vp = layer_node.layer_lowervp;
if (!KVM_READ(vp, &vn, sizeof(struct vnode))) {
dprintf("can't read vnode at %p for pid %d", vp, Pid);
return ("error");
}
if ((badtype = vfilestat(&vn, fsp)) == NULL)
fsp->fsid = mount.mnt_stat.f_fsidx.__fsid_val[0];
return (badtype);
}
static 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", m);
return (NULL);
}
if ((mt = malloc(sizeof (struct mtab))) == NULL) {
err(1, "malloc(%u)", (unsigned int)sizeof(struct mtab));
}
mt->m = m;
(void)memmove(&mt->mntonname[0], &mount.mnt_stat.f_mntonname[0],
MNAMELEN);
mt->next = mhead;
mhead = mt;
return (mt->mntonname);
}
#ifdef INET6
static const char *
inet6_addrstr(struct in6_addr *p)
{
struct sockaddr_in6 sin6;
static char hbuf[NI_MAXHOST];
const int niflags = NI_NUMERICHOST;
(void)memset(&sin6, 0, sizeof(sin6));
sin6.sin6_family = AF_INET6;
sin6.sin6_len = sizeof(struct sockaddr_in6);
sin6.sin6_addr = *p;
if (IN6_IS_ADDR_LINKLOCAL(p) &&
*(u_int16_t *)&sin6.sin6_addr.s6_addr[2] != 0) {
sin6.sin6_scope_id =
ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]);
sin6.sin6_addr.s6_addr[2] = sin6.sin6_addr.s6_addr[3] = 0;
}
if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
hbuf, sizeof(hbuf), NULL, 0, niflags))
return "invalid";
return hbuf;
}
#endif
static 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;
#ifdef INET6
struct in6pcb in6pcb;
#endif
struct unpcb unpcb;
int len;
char dname[32];
#ifdef INET6
char xaddrbuf[NI_MAXHOST + 2];
#endif
PREFIX(i);
/* fill in socket */
if (!KVM_READ(sock, &so, sizeof(struct socket))) {
dprintf("can't read sock at %p", sock);
goto bad;
}
/* fill in protosw entry */
if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
dprintf("can't read protosw at %p", so.so_proto);
goto bad;
}
/* fill in domain */
if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
dprintf("can't read domain at %p", proto.pr_domain);
goto bad;
}
if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
sizeof(dname) - 1)) != sizeof(dname) -1) {
dprintf("can't read domain name at %p", dom.dom_name);
dname[0] = '\0';
}
else
dname[len] = '\0';
if ((u_short)so.so_type > STYPEMAX)
(void)printf("* %s ?%d", dname, so.so_type);
else
(void)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:
getinetproto(proto.pr_protocol);
if (proto.pr_protocol == IPPROTO_TCP) {
if (so.so_pcb == NULL)
break;
if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
sizeof(struct inpcb)) != sizeof(struct inpcb)) {
dprintf("can't read inpcb at %p", so.so_pcb);
goto bad;
}
(void)printf(" %lx", (long)inpcb.inp_ppcb);
(void)printf(" %s:%d",
inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
inet_ntoa(inpcb.inp_laddr), ntohs(inpcb.inp_lport));
if (inpcb.inp_fport) {
(void)printf(" <-> %s:%d",
inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
inet_ntoa(inpcb.inp_faddr),
ntohs(inpcb.inp_fport));
}
} else if (proto.pr_protocol == IPPROTO_UDP) {
if (so.so_pcb == NULL)
break;
if (kvm_read(kd, (u_long)so.so_pcb, (char *)&inpcb,
sizeof(struct inpcb)) != sizeof(struct inpcb)) {
dprintf("can't read inpcb at %p", so.so_pcb);
goto bad;
}
(void)printf(" %lx", (long)so.so_pcb);
(void)printf(" %s:%d",
inpcb.inp_laddr.s_addr == INADDR_ANY ? "*" :
inet_ntoa(inpcb.inp_laddr), ntohs(inpcb.inp_lport));
if (inpcb.inp_fport)
(void)printf(" <-> %s:%d",
inpcb.inp_faddr.s_addr == INADDR_ANY ? "*" :
inet_ntoa(inpcb.inp_faddr),
ntohs(inpcb.inp_fport));
} else if (so.so_pcb)
(void)printf(" %lx", (long)so.so_pcb);
break;
#ifdef INET6
case AF_INET6:
getinetproto(proto.pr_protocol);
if (proto.pr_protocol == IPPROTO_TCP) {
if (so.so_pcb == NULL)
break;
if (kvm_read(kd, (u_long)so.so_pcb, (char *)&in6pcb,
sizeof(struct in6pcb)) != sizeof(struct in6pcb)) {
dprintf("can't read in6pcb at %p", so.so_pcb);
goto bad;
}
(void)printf(" %lx", (long)in6pcb.in6p_ppcb);
(void)snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
inet6_addrstr(&in6pcb.in6p_laddr));
(void)printf(" %s:%d",
IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr) ? "*" :
xaddrbuf,
ntohs(in6pcb.in6p_lport));
if (in6pcb.in6p_fport) {
(void)snprintf(xaddrbuf, sizeof(xaddrbuf),
"[%s]", inet6_addrstr(&in6pcb.in6p_faddr));
(void)printf(" <-> %s:%d",
IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_faddr) ? "*" :
xaddrbuf,
ntohs(in6pcb.in6p_fport));
}
} else if (proto.pr_protocol == IPPROTO_UDP) {
if (so.so_pcb == NULL)
break;
if (kvm_read(kd, (u_long)so.so_pcb, (char *)&in6pcb,
sizeof(struct in6pcb)) != sizeof(struct in6pcb)) {
dprintf("can't read inpcb at %p", so.so_pcb);
goto bad;
}
(void)printf(" %lx", (long)so.so_pcb);
(void)snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
inet6_addrstr(&in6pcb.in6p_laddr));
(void)printf(" %s:%d",
IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_laddr) ? "*" :
xaddrbuf,
ntohs(in6pcb.in6p_lport));
if (in6pcb.in6p_fport) {
(void)snprintf(xaddrbuf, sizeof(xaddrbuf), "[%s]",
inet6_addrstr(&in6pcb.in6p_faddr));
(void)printf(" <-> %s:%d",
IN6_IS_ADDR_UNSPECIFIED(&in6pcb.in6p_faddr) ? "*" :
xaddrbuf,
ntohs(in6pcb.in6p_fport));
}
} else if (so.so_pcb)
(void)printf(" %lx", (long)so.so_pcb);
break;
#endif
case AF_LOCAL:
/* print address of pcb and connected pcb */
if (so.so_pcb) {
(void)printf(" %lx", (long)so.so_pcb);
if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
sizeof(struct unpcb)) != sizeof(struct unpcb)){
dprintf("can't read unpcb at %p", so.so_pcb);
goto bad;
}
if (unpcb.unp_conn) {
char shoconn[4], *cp;
cp = shoconn;
if (!(so.so_state & SS_CANTRCVMORE))
*cp++ = '<';
*cp++ = '-';
if (!(so.so_state & SS_CANTSENDMORE))
*cp++ = '>';
*cp = '\0';
(void)printf(" %s %lx", shoconn,
(long)unpcb.unp_conn);
}
}
break;
default:
/* print protocol number and socket address */
(void)printf(" %d %lx", proto.pr_protocol, (long)sock);
}
(void)printf("\n");
return;
bad:
(void)printf("* error\n");
}
static void
ptrans(struct file *fp, struct pipe *cpipe, int i)
{
struct pipe cp;
PREFIX(i);
/* fill in pipe */
if (!KVM_READ(cpipe, &cp, sizeof(struct pipe))) {
dprintf("can't read pipe at %p", cpipe);
goto bad;
}
/* pipe descriptor is either read or write, never both */
(void)printf("* pipe %p %s %p %s%s%s", cpipe,
(fp->f_flag & FWRITE) ? "->" : "<-",
cp.pipe_peer,
(fp->f_flag & FWRITE) ? "w" : "r",
(fp->f_flag & FNONBLOCK) ? "n" : "",
(cp.pipe_state & PIPE_ASYNC) ? "a" : "");
(void)printf("\n");
return;
bad:
(void)printf("* error\n");
}
static void
kqueuetrans(void *kq, int i)
{
PREFIX(i);
(void)printf("* kqueue %lx", (long)kq);
(void)printf("\n");
}
/*
* getinetproto --
* print name of protocol number
*/
static void
getinetproto(int number)
{
const char *cp;
switch (number) {
case IPPROTO_IP:
cp = "ip"; break;
case IPPROTO_ICMP:
cp ="icmp"; break;
case IPPROTO_GGP:
cp ="ggp"; break;
case IPPROTO_TCP:
cp ="tcp"; break;
case IPPROTO_EGP:
cp ="egp"; break;
case IPPROTO_PUP:
cp ="pup"; break;
case IPPROTO_UDP:
cp ="udp"; break;
case IPPROTO_IDP:
cp ="idp"; break;
case IPPROTO_RAW:
cp ="raw"; break;
case IPPROTO_ICMPV6:
cp ="icmp6"; break;
default:
(void)printf(" %d", number);
return;
}
(void)printf(" %s", cp);
}
static int
getfname(const char *filename)
{
struct stat statbuf;
DEVS *cur;
if (stat(filename, &statbuf)) {
warn("stat(%s)", filename);
return 0;
}
if ((cur = malloc(sizeof(DEVS))) == NULL) {
err(1, "malloc(%u)", (unsigned int)sizeof(DEVS));
}
cur->next = devs;
devs = cur;
cur->ino = statbuf.st_ino;
cur->fsid = statbuf.st_dev & 0xffff;
cur->name = filename;
return 1;
}
mode_t
getftype(enum vtype v_type)
{
mode_t ftype;
switch (v_type) {
case VREG:
ftype = S_IFREG;
break;
case VDIR:
ftype = S_IFDIR;
break;
case VBLK:
ftype = S_IFBLK;
break;
case VCHR:
ftype = S_IFCHR;
break;
case VLNK:
ftype = S_IFLNK;
break;
case VSOCK:
ftype = S_IFSOCK;
break;
case VFIFO:
ftype = S_IFIFO;
break;
default:
ftype = 0;
break;
};
return ftype;
}
static void
usage(void)
{
(void)fprintf(stderr, "Usage: %s [-fnv] [-p pid] [-u user] "
"[-N system] [-M core] [file ...]\n", getprogname());
exit(1);
}