1 /* $OpenBSD: unix.c,v 1.2 1996/06/26 05:37:26 deraadt Exp $ */ 2 /* $NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $ */ 3 4 /*- 5 * Copyright (c) 1983, 1988, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "from: @(#)unix.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 static char *rcsid = "$OpenBSD: unix.c,v 1.2 1996/06/26 05:37:26 deraadt 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 register 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("Out of memory (file table).\n"); 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 register struct socket *so; 108 caddr_t soaddr; 109 { 110 struct unpcb unpcb, *unp = &unpcb; 111 struct mbuf mbuf, *m; 112 struct sockaddr_un *sa; 113 static int first = 1; 114 115 if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp))) 116 return; 117 if (unp->unp_addr) { 118 m = &mbuf; 119 if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m))) 120 m = (struct mbuf *)0; 121 sa = (struct sockaddr_un *)(m->m_dat); 122 } else 123 m = (struct mbuf *)0; 124 if (first) { 125 printf("Active UNIX domain sockets\n"); 126 printf( 127 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 128 "Address", "Type", "Recv-Q", "Send-Q", 129 "Inode", "Conn", "Refs", "Nextref"); 130 first = 0; 131 } 132 printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x", 133 soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 134 unp->unp_vnode, unp->unp_conn, 135 unp->unp_refs, unp->unp_nextref); 136 if (m) 137 printf(" %.*s", 138 m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)), 139 sa->sun_path); 140 putchar('\n'); 141 } 142