/*      $OpenBSD: unix.c,v 1.32 2018/04/26 12:42:51 guenther Exp $      */
/*      $NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $        */

/*-
 * Copyright (c) 1983, 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.
 */

/*
 * Display protocol blocks in the unix domain.
 */
#include <sys/socket.h>
#include <sys/protosw.h>
#include <sys/mbuf.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <sys/un.h>
#include <sys/unpcb.h>
#include <sys/ucred.h>

#include <netinet/in.h>

#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <kvm.h>
#include "netstat.h"

static  const char *socktype[] =
    { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };

void
unixdomainpr(struct kinfo_file *kf)
{
        static int first = 1;

        /* XXX should fix kinfo_file instead but not now */
        if (kf->so_pcb == -1)
                kf->so_pcb = 0;

        if (first) {
                printf("Active UNIX domain sockets\n");
                printf("%-*.*s %-6.6s %-6.6s %-6.6s %*.*s %*.*s %*.*s %*.*s Addr\n",
                    PLEN, PLEN, "Address", "Type", "Recv-Q", "Send-Q",
                    PLEN, PLEN, "Inode", PLEN, PLEN, "Conn",
                    PLEN, PLEN, "Refs", PLEN, PLEN, "Nextref");
                first = 0;
        }

        printf("%#*llx%s %-6.6s %6llu %6llu %#*llx%s %#*llx%s %#*llx%s %#*llx%s",
            FAKE_PTR(kf->so_pcb), socktype[kf->so_type],
            kf->so_rcv_cc, kf->so_snd_cc,
            FAKE_PTR(kf->v_un),
            FAKE_PTR(kf->unp_conn),
            FAKE_PTR(kf->unp_refs),
            FAKE_PTR(kf->unp_nextref));
        if (kf->unp_path[0] != '\0')
                printf(" %.*s", KI_UNPPATHLEN, kf->unp_path);
        putchar('\n');
}

/*
 * Dump the contents of a UNIX PCB
 */
void
unpcb_dump(u_long off)
{
        struct unpcb unp;

        if (off == 0)
                return;
        kread(off, &unp, sizeof(unp));

        if (vflag)
                socket_dump((u_long)unp.unp_socket);

#define p(fmt, v, sep) printf(#v " " fmt sep, unp.v);
#define pll(fmt, v, sep) printf(#v " " fmt sep, (long long) unp.v);
#define pull(fmt, v, sep) printf(#v " " fmt sep, (unsigned long long) unp.v);
#define pp(fmt, v, sep) printf(#v " " fmt sep, unp.v);
        printf("unpcb %#lx\n ", off);
        pp("%p", unp_socket, "\n ");
        pp("%p", unp_vnode, ", ");
        pull("%llu", unp_ino, "\n ");
        pp("%p", unp_conn, ", ");
        printf("unp_refs %p, ", SLIST_FIRST(&unp.unp_refs));
        printf("unp_nextref %p\n ", SLIST_NEXT(&unp, unp_nextref));
        pp("%p", unp_addr, "\n ");
        p("%#.8x", unp_flags, "\n ");
        p("%u", unp_connid.uid, ", ");
        p("%u", unp_connid.gid, ", ");
        p("%d", unp_connid.pid, "\n ");
        pll("%lld", unp_ctime.tv_sec, ", ");
        p("%ld", unp_ctime.tv_nsec, "\n");
#undef p
#undef pp
}