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 static char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93"; 36 #endif /* not lint */ 37 38 /* 39 * Display protocol blocks in the unix domain. 40 */ 41 #include <kvm.h> 42 #include <sys/param.h> 43 #include <sys/protosw.h> 44 #include <sys/socket.h> 45 #include <sys/socketvar.h> 46 #include <sys/mbuf.h> 47 #include <sys/sysctl.h> 48 #include <sys/un.h> 49 #include <sys/unpcb.h> 50 #define KERNEL 51 struct uio; 52 struct proc; 53 #include <sys/file.h> 54 55 #include <netinet/in.h> 56 57 #include <stdio.h> 58 #include <stdlib.h> 59 #include "netstat.h" 60 61 static void unixdomainpr __P((struct socket *, caddr_t)); 62 63 static struct file *file, *fileNFILE; 64 static int nfiles; 65 extern kvm_t *kvmd; 66 67 void 68 unixpr(off) 69 u_long off; 70 { 71 register struct file *fp; 72 struct socket sock, *so = &sock; 73 char *filebuf; 74 struct protosw *unixsw = (struct protosw *)off; 75 76 filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles); 77 if (filebuf == 0) { 78 printf("Out of memory (file table).\n"); 79 return; 80 } 81 file = (struct file *)(filebuf + sizeof(fp)); 82 fileNFILE = file + nfiles; 83 for (fp = file; fp < fileNFILE; fp++) { 84 if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 85 continue; 86 if (kread((u_long)fp->f_data, (char *)so, sizeof (*so))) 87 continue; 88 /* kludge */ 89 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 90 if (so->so_pcb) 91 unixdomainpr(so, fp->f_data); 92 } 93 } 94 95 static char *socktype[] = 96 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 97 98 static void 99 unixdomainpr(so, soaddr) 100 register struct socket *so; 101 caddr_t soaddr; 102 { 103 struct unpcb unpcb, *unp = &unpcb; 104 struct mbuf mbuf, *m; 105 struct sockaddr_un *sa; 106 static int first = 1; 107 108 if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp))) 109 return; 110 if (unp->unp_addr) { 111 m = &mbuf; 112 if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m))) 113 m = (struct mbuf *)0; 114 sa = (struct sockaddr_un *)(m->m_dat); 115 } else 116 m = (struct mbuf *)0; 117 if (first) { 118 printf("Active UNIX domain sockets\n"); 119 printf( 120 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 121 "Address", "Type", "Recv-Q", "Send-Q", 122 "Inode", "Conn", "Refs", "Nextref"); 123 first = 0; 124 } 125 printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x", 126 soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 127 unp->unp_vnode, unp->unp_conn, 128 unp->unp_refs, unp->unp_nextref); 129 if (m) 130 printf(" %.*s", 131 m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)), 132 sa->sun_path); 133 putchar('\n'); 134 } 135