unix.c revision 28726
11590Srgrimes/*- 21590Srgrimes * Copyright (c) 1983, 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 3527753Scharnier#if 0 361590Srgrimesstatic char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93"; 3727753Scharnier#endif 3827753Scharnierstatic const char rcsid[] = 3928726Swollman "$Id: unix.c,v 1.4 1997/07/29 06:51:41 charnier Exp $"; 401590Srgrimes#endif /* not lint */ 411590Srgrimes 421590Srgrimes/* 431590Srgrimes * Display protocol blocks in the unix domain. 441590Srgrimes */ 451590Srgrimes#include <kvm.h> 461590Srgrimes#include <sys/param.h> 4714543Sdg#include <sys/queue.h> 481590Srgrimes#include <sys/protosw.h> 491590Srgrimes#include <sys/socket.h> 501590Srgrimes#include <sys/socketvar.h> 511590Srgrimes#include <sys/mbuf.h> 521590Srgrimes#include <sys/sysctl.h> 531590Srgrimes#include <sys/un.h> 541590Srgrimes#include <sys/unpcb.h> 551590Srgrimes#define KERNEL 561590Srgrimesstruct uio; 571590Srgrimesstruct proc; 581590Srgrimes#include <sys/file.h> 591590Srgrimes 601590Srgrimes#include <netinet/in.h> 611590Srgrimes 621590Srgrimes#include <stdio.h> 631590Srgrimes#include <stdlib.h> 641590Srgrimes#include "netstat.h" 651590Srgrimes 661590Srgrimesstatic void unixdomainpr __P((struct socket *, caddr_t)); 671590Srgrimes 681590Srgrimesstatic struct file *file, *fileNFILE; 691590Srgrimesstatic int nfiles; 701590Srgrimesextern kvm_t *kvmd; 711590Srgrimes 721590Srgrimesvoid 731590Srgrimesunixpr(off) 741590Srgrimes u_long off; 751590Srgrimes{ 761590Srgrimes register struct file *fp; 771590Srgrimes struct socket sock, *so = &sock; 781590Srgrimes char *filebuf; 791590Srgrimes struct protosw *unixsw = (struct protosw *)off; 801590Srgrimes 811590Srgrimes filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles); 821590Srgrimes if (filebuf == 0) { 831590Srgrimes printf("Out of memory (file table).\n"); 841590Srgrimes return; 851590Srgrimes } 861590Srgrimes file = (struct file *)(filebuf + sizeof(fp)); 871590Srgrimes fileNFILE = file + nfiles; 881590Srgrimes for (fp = file; fp < fileNFILE; fp++) { 891590Srgrimes if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 901590Srgrimes continue; 911590Srgrimes if (kread((u_long)fp->f_data, (char *)so, sizeof (*so))) 921590Srgrimes continue; 931590Srgrimes /* kludge */ 941590Srgrimes if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 951590Srgrimes if (so->so_pcb) 961590Srgrimes unixdomainpr(so, fp->f_data); 971590Srgrimes } 981590Srgrimes} 991590Srgrimes 1001590Srgrimesstatic char *socktype[] = 1011590Srgrimes { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 1021590Srgrimes 1031590Srgrimesstatic void 1041590Srgrimesunixdomainpr(so, soaddr) 1051590Srgrimes register struct socket *so; 1061590Srgrimes caddr_t soaddr; 1071590Srgrimes{ 1081590Srgrimes struct unpcb unpcb, *unp = &unpcb; 10928726Swollman struct sockaddr_un s_un, *sa = NULL; 1101590Srgrimes static int first = 1; 1111590Srgrimes 1121590Srgrimes if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp))) 1131590Srgrimes return; 1141590Srgrimes if (unp->unp_addr) { 11528726Swollman sa = &s_un; 11628726Swollman if (kread((u_long)unp->unp_addr, (char *)sa, sizeof *sa)) 11728726Swollman sa = (struct sockaddr_un *)0; 1181590Srgrimes } else 11928726Swollman sa = (struct sockaddr_un *)0; 1201590Srgrimes if (first) { 1211590Srgrimes printf("Active UNIX domain sockets\n"); 1221590Srgrimes printf( 1231590Srgrimes"%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 1241590Srgrimes "Address", "Type", "Recv-Q", "Send-Q", 1251590Srgrimes "Inode", "Conn", "Refs", "Nextref"); 1261590Srgrimes first = 0; 1271590Srgrimes } 12816080Salex printf("%8x %-6.6s %6ld %6ld %8x %8x %8x %8x", 12916080Salex (int)soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 13016080Salex (int)unp->unp_vnode, (int)unp->unp_conn, 13116080Salex (int)unp->unp_refs, (int)unp->unp_nextref); 13228726Swollman if (sa) 13328726Swollman printf(" %.*s", sa->sun_len, sa->sun_path); 1341590Srgrimes putchar('\n'); 1351590Srgrimes} 136