unix.c revision 1590
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 351590Srgrimesstatic char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93"; 361590Srgrimes#endif /* not lint */ 371590Srgrimes 381590Srgrimes/* 391590Srgrimes * Display protocol blocks in the unix domain. 401590Srgrimes */ 411590Srgrimes#include <kvm.h> 421590Srgrimes#include <sys/param.h> 431590Srgrimes#include <sys/protosw.h> 441590Srgrimes#include <sys/socket.h> 451590Srgrimes#include <sys/socketvar.h> 461590Srgrimes#include <sys/mbuf.h> 471590Srgrimes#include <sys/sysctl.h> 481590Srgrimes#include <sys/un.h> 491590Srgrimes#include <sys/unpcb.h> 501590Srgrimes#define KERNEL 511590Srgrimesstruct uio; 521590Srgrimesstruct proc; 531590Srgrimes#include <sys/file.h> 541590Srgrimes 551590Srgrimes#include <netinet/in.h> 561590Srgrimes 571590Srgrimes#include <stdio.h> 581590Srgrimes#include <stdlib.h> 591590Srgrimes#include "netstat.h" 601590Srgrimes 611590Srgrimesstatic void unixdomainpr __P((struct socket *, caddr_t)); 621590Srgrimes 631590Srgrimesstatic struct file *file, *fileNFILE; 641590Srgrimesstatic int nfiles; 651590Srgrimesextern kvm_t *kvmd; 661590Srgrimes 671590Srgrimesvoid 681590Srgrimesunixpr(off) 691590Srgrimes u_long off; 701590Srgrimes{ 711590Srgrimes register struct file *fp; 721590Srgrimes struct socket sock, *so = &sock; 731590Srgrimes char *filebuf; 741590Srgrimes struct protosw *unixsw = (struct protosw *)off; 751590Srgrimes 761590Srgrimes filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles); 771590Srgrimes if (filebuf == 0) { 781590Srgrimes printf("Out of memory (file table).\n"); 791590Srgrimes return; 801590Srgrimes } 811590Srgrimes file = (struct file *)(filebuf + sizeof(fp)); 821590Srgrimes fileNFILE = file + nfiles; 831590Srgrimes for (fp = file; fp < fileNFILE; fp++) { 841590Srgrimes if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 851590Srgrimes continue; 861590Srgrimes if (kread((u_long)fp->f_data, (char *)so, sizeof (*so))) 871590Srgrimes continue; 881590Srgrimes /* kludge */ 891590Srgrimes if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 901590Srgrimes if (so->so_pcb) 911590Srgrimes unixdomainpr(so, fp->f_data); 921590Srgrimes } 931590Srgrimes} 941590Srgrimes 951590Srgrimesstatic char *socktype[] = 961590Srgrimes { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 971590Srgrimes 981590Srgrimesstatic void 991590Srgrimesunixdomainpr(so, soaddr) 1001590Srgrimes register struct socket *so; 1011590Srgrimes caddr_t soaddr; 1021590Srgrimes{ 1031590Srgrimes struct unpcb unpcb, *unp = &unpcb; 1041590Srgrimes struct mbuf mbuf, *m; 1051590Srgrimes struct sockaddr_un *sa; 1061590Srgrimes static int first = 1; 1071590Srgrimes 1081590Srgrimes if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp))) 1091590Srgrimes return; 1101590Srgrimes if (unp->unp_addr) { 1111590Srgrimes m = &mbuf; 1121590Srgrimes if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m))) 1131590Srgrimes m = (struct mbuf *)0; 1141590Srgrimes sa = (struct sockaddr_un *)(m->m_dat); 1151590Srgrimes } else 1161590Srgrimes m = (struct mbuf *)0; 1171590Srgrimes if (first) { 1181590Srgrimes printf("Active UNIX domain sockets\n"); 1191590Srgrimes printf( 1201590Srgrimes"%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 1211590Srgrimes "Address", "Type", "Recv-Q", "Send-Q", 1221590Srgrimes "Inode", "Conn", "Refs", "Nextref"); 1231590Srgrimes first = 0; 1241590Srgrimes } 1251590Srgrimes printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x", 1261590Srgrimes soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 1271590Srgrimes unp->unp_vnode, unp->unp_conn, 1281590Srgrimes unp->unp_refs, unp->unp_nextref); 1291590Srgrimes if (m) 1301590Srgrimes printf(" %.*s", 1311590Srgrimes m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)), 1321590Srgrimes sa->sun_path); 1331590Srgrimes putchar('\n'); 1341590Srgrimes} 135