unix.c revision 27753
1/*- 2 * Copyright (c) 1983, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35#if 0 36static char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93"; 37#endif 38static const char rcsid[] = 39 "$Id$"; 40#endif /* not lint */ 41 42/* 43 * Display protocol blocks in the unix domain. 44 */ 45#include <kvm.h> 46#include <sys/param.h> 47#include <sys/queue.h> 48#include <sys/protosw.h> 49#include <sys/socket.h> 50#include <sys/socketvar.h> 51#include <sys/mbuf.h> 52#include <sys/sysctl.h> 53#include <sys/un.h> 54#include <sys/unpcb.h> 55#define KERNEL 56struct uio; 57struct proc; 58#include <sys/file.h> 59 60#include <netinet/in.h> 61 62#include <stdio.h> 63#include <stdlib.h> 64#include "netstat.h" 65 66static void unixdomainpr __P((struct socket *, caddr_t)); 67 68static struct file *file, *fileNFILE; 69static int nfiles; 70extern kvm_t *kvmd; 71 72void 73unixpr(off) 74 u_long off; 75{ 76 register struct file *fp; 77 struct socket sock, *so = &sock; 78 char *filebuf; 79 struct protosw *unixsw = (struct protosw *)off; 80 81 filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles); 82 if (filebuf == 0) { 83 printf("Out of memory (file table).\n"); 84 return; 85 } 86 file = (struct file *)(filebuf + sizeof(fp)); 87 fileNFILE = file + nfiles; 88 for (fp = file; fp < fileNFILE; fp++) { 89 if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 90 continue; 91 if (kread((u_long)fp->f_data, (char *)so, sizeof (*so))) 92 continue; 93 /* kludge */ 94 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 95 if (so->so_pcb) 96 unixdomainpr(so, fp->f_data); 97 } 98} 99 100static char *socktype[] = 101 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 102 103static void 104unixdomainpr(so, soaddr) 105 register struct socket *so; 106 caddr_t soaddr; 107{ 108 struct unpcb unpcb, *unp = &unpcb; 109 struct mbuf mbuf, *m; 110 struct sockaddr_un *sa = NULL; 111 static int first = 1; 112 113 if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp))) 114 return; 115 if (unp->unp_addr) { 116 m = &mbuf; 117 if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m))) 118 m = (struct mbuf *)0; 119 sa = (struct sockaddr_un *)(m->m_dat); 120 } else 121 m = (struct mbuf *)0; 122 if (first) { 123 printf("Active UNIX domain sockets\n"); 124 printf( 125"%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 126 "Address", "Type", "Recv-Q", "Send-Q", 127 "Inode", "Conn", "Refs", "Nextref"); 128 first = 0; 129 } 130 printf("%8x %-6.6s %6ld %6ld %8x %8x %8x %8x", 131 (int)soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 132 (int)unp->unp_vnode, (int)unp->unp_conn, 133 (int)unp->unp_refs, (int)unp->unp_nextref); 134 if (m) 135 printf(" %.*s", 136 m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)), 137 sa->sun_path); 138 putchar('\n'); 139} 140