1 /* $NetBSD: unix.c,v 1.18 1999/08/19 06:13:09 cgd Exp $ */ 2 3 /*- 4 * Copyright (c) 1983, 1988, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "from: @(#)unix.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 __RCSID("$NetBSD: unix.c,v 1.18 1999/08/19 06:13:09 cgd Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 /* 46 * Display protocol blocks in the unix domain. 47 */ 48 #include <sys/param.h> 49 #include <sys/protosw.h> 50 #include <sys/socket.h> 51 #include <sys/socketvar.h> 52 #include <sys/mbuf.h> 53 #include <sys/sysctl.h> 54 #include <sys/un.h> 55 #include <sys/unpcb.h> 56 #define _KERNEL 57 struct uio; 58 struct proc; 59 #include <sys/file.h> 60 61 #include <netinet/in.h> 62 63 #include <stdio.h> 64 #include <stdlib.h> 65 #include <kvm.h> 66 #include "netstat.h" 67 68 static void unixdomainpr __P((struct socket *, caddr_t)); 69 70 static struct file *file, *fileNFILE; 71 static int nfiles; 72 extern kvm_t *kvmd; 73 74 void 75 unixpr(off) 76 u_long off; 77 { 78 struct file *fp; 79 struct socket sock, *so = &sock; 80 char *filebuf; 81 struct protosw *unixsw = (struct protosw *)off; 82 83 filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles); 84 if (filebuf == 0) { 85 printf("file table read error: %s", kvm_geterr(kvmd)); 86 return; 87 } 88 file = (struct file *)(filebuf + sizeof(fp)); 89 fileNFILE = file + nfiles; 90 for (fp = file; fp < fileNFILE; fp++) { 91 if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 92 continue; 93 if (kread((u_long)fp->f_data, (char *)so, sizeof (*so))) 94 continue; 95 /* kludge */ 96 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 97 if (so->so_pcb) 98 unixdomainpr(so, fp->f_data); 99 } 100 } 101 102 static char *socktype[] = 103 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 104 105 static void 106 unixdomainpr(so, soaddr) 107 struct socket *so; 108 caddr_t soaddr; 109 { 110 struct unpcb unp; 111 struct sockaddr_un sun; 112 static int first = 1; 113 114 if (kread((u_long)so->so_pcb, (char *)&unp, sizeof (unp))) 115 return; 116 if (unp.unp_addr) 117 if (kread((u_long)unp.unp_addr, (char *)&sun, sizeof (sun))) 118 unp.unp_addr = 0; 119 if (first) { 120 printf("Active UNIX domain sockets\n"); 121 printf( 122 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 123 "Address", "Type", "Recv-Q", "Send-Q", 124 "Inode", "Conn", "Refs", "Nextref"); 125 first = 0; 126 } 127 printf("%8lx %-6.6s %6ld %6ld %8lx %8lx %8lx %8lx", 128 (u_long) soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 129 (u_long) unp.unp_vnode, (u_long) unp.unp_conn, 130 (u_long) unp.unp_refs, (u_long) unp.unp_nextref); 131 if (unp.unp_addr) 132 printf(" %.*s", 133 (int) (sun.sun_len - (sizeof(sun) - sizeof(sun.sun_path))), 134 sun.sun_path); 135 putchar('\n'); 136 } 137