1 /* $NetBSD: unix.c,v 1.21 2003/08/07 11:15:22 agc 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "from: @(#)unix.c 8.1 (Berkeley) 6/6/93"; 36 #else 37 __RCSID("$NetBSD: unix.c,v 1.21 2003/08/07 11:15:22 agc Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 /* 42 * Display protocol blocks in the unix domain. 43 */ 44 #include <sys/param.h> 45 #include <sys/protosw.h> 46 #include <sys/socket.h> 47 #include <sys/socketvar.h> 48 #include <sys/mbuf.h> 49 #include <sys/sysctl.h> 50 #include <sys/un.h> 51 #include <sys/unpcb.h> 52 #define _KERNEL 53 struct uio; 54 struct proc; 55 #include <sys/file.h> 56 57 #include <netinet/in.h> 58 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <kvm.h> 62 #include "netstat.h" 63 64 static void unixdomainpr __P((struct socket *, caddr_t)); 65 66 static struct file *file, *fileNFILE; 67 static int nfiles; 68 extern kvm_t *kvmd; 69 70 void 71 unixpr(off) 72 u_long off; 73 { 74 struct file *fp; 75 struct socket sock, *so = &sock; 76 char *filebuf; 77 struct protosw *unixsw = (struct protosw *)off; 78 79 filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles); 80 if (filebuf == 0) { 81 printf("file table read error: %s", kvm_geterr(kvmd)); 82 return; 83 } 84 file = (struct file *)(filebuf + sizeof(fp)); 85 fileNFILE = file + nfiles; 86 for (fp = file; fp < fileNFILE; fp++) { 87 if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 88 continue; 89 if (kread((u_long)fp->f_data, (char *)so, sizeof (*so))) 90 continue; 91 /* kludge */ 92 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 93 if (so->so_pcb) 94 unixdomainpr(so, fp->f_data); 95 } 96 } 97 98 static char *socktype[] = 99 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 100 101 static void 102 unixdomainpr(so, soaddr) 103 struct socket *so; 104 caddr_t soaddr; 105 { 106 struct unpcb unp; 107 struct sockaddr_un sun; 108 static int first = 1; 109 110 if (kread((u_long)so->so_pcb, (char *)&unp, sizeof (unp))) 111 return; 112 if (unp.unp_addr) 113 if (kread((u_long)unp.unp_addr, (char *)&sun, sizeof (sun))) 114 unp.unp_addr = 0; 115 if (first) { 116 printf("Active UNIX domain sockets\n"); 117 printf( 118 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 119 "Address", "Type", "Recv-Q", "Send-Q", 120 "Inode", "Conn", "Refs", "Nextref"); 121 first = 0; 122 } 123 printf("%8lx %-6.6s %6ld %6ld %8lx %8lx %8lx %8lx", 124 (u_long) soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 125 (u_long) unp.unp_vnode, (u_long) unp.unp_conn, 126 (u_long) unp.unp_refs, (u_long) unp.unp_nextref); 127 if (unp.unp_addr) 128 printf(" %.*s", 129 (int) (sun.sun_len - (sizeof(sun) - sizeof(sun.sun_path))), 130 sun.sun_path); 131 putchar('\n'); 132 } 133