1 /* $OpenBSD: unix.c,v 1.7 2001/11/19 19:02:15 mpech 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 1.7 2001/11/19 19:02:15 mpech 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 <limits.h> 64 #include <stdio.h> 65 #include <stdlib.h> 66 #include <kvm.h> 67 #include "netstat.h" 68 69 static void unixdomainpr __P((struct socket *, caddr_t)); 70 71 static struct file *file, *fileNFILE; 72 static int nfiles; 73 extern kvm_t *kvmd; 74 75 void 76 unixpr(off) 77 u_long off; 78 { 79 struct file *fp; 80 struct socket sock, *so = &sock; 81 char *filebuf; 82 struct protosw *unixsw = (struct protosw *)off; 83 84 filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles); 85 if (filebuf == 0) { 86 printf("Out of memory (file table).\n"); 87 return; 88 } 89 file = (struct file *)(filebuf + sizeof(fp)); 90 fileNFILE = file + nfiles; 91 for (fp = file; fp < fileNFILE; fp++) { 92 if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 93 continue; 94 if (kread((u_long)fp->f_data, (char *)so, sizeof (*so))) 95 continue; 96 /* kludge */ 97 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 98 if (so->so_pcb) 99 unixdomainpr(so, fp->f_data); 100 } 101 } 102 103 static char *socktype[] = 104 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 105 106 static void 107 unixdomainpr(so, soaddr) 108 struct socket *so; 109 caddr_t soaddr; 110 { 111 struct unpcb unpcb, *unp = &unpcb; 112 struct mbuf mbuf, *m; 113 struct sockaddr_un *sa = NULL; 114 static int first = 1; 115 116 if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp))) 117 return; 118 if (unp->unp_addr) { 119 m = &mbuf; 120 if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m))) 121 m = (struct mbuf *)0; 122 sa = (struct sockaddr_un *)(m->m_dat); 123 } else 124 m = (struct mbuf *)0; 125 if (first) { 126 printf("Active UNIX domain sockets\n"); 127 printf( 128 "%-*.*s %-6.6s %-6.6s %-6.6s %*.*s %*.*s %*.*s %*.*s Addr\n", 129 PLEN, PLEN, "Address", "Type", "Recv-Q", "Send-Q", 130 PLEN, PLEN, "Inode", PLEN, PLEN, "Conn", 131 PLEN, PLEN, "Refs", PLEN, PLEN, "Nextref"); 132 first = 0; 133 } 134 printf("%*p %-6.6s %6ld %6ld %*p %*p %*p %*p", 135 PLEN, soaddr, socktype[so->so_type], so->so_rcv.sb_cc, 136 so->so_snd.sb_cc, PLEN, unp->unp_vnode, PLEN, unp->unp_conn, 137 PLEN, unp->unp_refs, PLEN, unp->unp_nextref); 138 if (m) 139 printf(" %.*s", 140 (int)(m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path))), 141 sa->sun_path); 142 putchar('\n'); 143 } 144