1 /*- 2 * Copyright (c) 1983, 1988 Regents of the University of California. 3 * 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 5.11 (Berkeley) 7/1/91"; 36 #endif /* not lint */ 37 38 /* 39 * Display protocol blocks in the unix domain. 40 */ 41 #include <sys/param.h> 42 #include <sys/protosw.h> 43 #include <sys/socket.h> 44 #include <sys/socketvar.h> 45 #include <sys/mbuf.h> 46 #include <sys/un.h> 47 #include <sys/unpcb.h> 48 #include <sys/time.h> 49 #include <sys/proc.h> 50 #define KERNEL 51 struct uio; 52 #include <sys/file.h> 53 struct file *file, *fileNFILE; 54 int nfiles; 55 56 int Aflag; 57 extern char *calloc(); 58 59 unixpr(fileheadaddr, nfilesaddr, unixsw) 60 off_t fileheadaddr, nfilesaddr; 61 struct protosw *unixsw; 62 { 63 register struct file *fp, *lfp; 64 struct file *filep; 65 struct socket sock, *so = &sock; 66 int i; 67 68 if (fileheadaddr == 0 || nfilesaddr == 0) { 69 printf("filehead or nfiles not in namelist.\n"); 70 return; 71 } 72 if (kvm_read(nfilesaddr, (char *)&nfiles, sizeof (nfiles)) != 73 sizeof (nfiles)) { 74 printf("nfiles: bad read.\n"); 75 return; 76 } 77 if (kvm_read(fileheadaddr, (char *)&filep, sizeof (filep)) 78 != sizeof (filep)) { 79 printf("File table address, bad read.\n"); 80 return; 81 } 82 file = (struct file *)calloc(nfiles, sizeof (struct file)); 83 if (file == (struct file *)0) { 84 printf("Out of memory (file table).\n"); 85 return; 86 } 87 for (lfp = file, i = nfiles; 88 filep != NULL && i-- > 0; 89 filep = lfp->f_filef, lfp++) 90 { 91 if(kvm_read((off_t)filep, (char *)lfp, sizeof (struct file)) 92 != sizeof(struct file)) { 93 printf("File table read error.\n"); 94 return; 95 } 96 } 97 fileNFILE = file + nfiles; 98 for (fp = file; fp < fileNFILE; fp++) { 99 if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) 100 continue; 101 if (kvm_read((off_t)fp->f_data, (char *)so, sizeof (*so)) 102 != sizeof (*so)) 103 continue; 104 /* kludge */ 105 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) 106 if (so->so_pcb) 107 unixdomainpr(so, fp->f_data); 108 } 109 free((char *)file); 110 } 111 112 static char *socktype[] = 113 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; 114 115 unixdomainpr(so, soaddr) 116 register struct socket *so; 117 caddr_t soaddr; 118 { 119 struct unpcb unpcb, *unp = &unpcb; 120 struct mbuf mbuf, *m; 121 struct sockaddr_un *sa; 122 static int first = 1; 123 124 if (kvm_read((off_t)so->so_pcb, (char *)unp, sizeof (*unp)) 125 != sizeof (*unp)) 126 return; 127 if (unp->unp_addr) { 128 m = &mbuf; 129 if (kvm_read((off_t)unp->unp_addr, (char *)m, sizeof (*m)) 130 != sizeof (*m)) 131 m = (struct mbuf *)0; 132 sa = (struct sockaddr_un *)(m->m_dat); 133 } else 134 m = (struct mbuf *)0; 135 if (first) { 136 printf("Active UNIX domain sockets\n"); 137 printf( 138 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", 139 "Address", "Type", "Recv-Q", "Send-Q", 140 "Inode", "Conn", "Refs", "Nextref"); 141 first = 0; 142 } 143 printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x", 144 soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, 145 unp->unp_vnode, unp->unp_conn, 146 unp->unp_refs, unp->unp_nextref); 147 if (m) 148 printf(" %.*s", m->m_len - sizeof(sa->sun_family), 149 sa->sun_path); 150 putchar('\n'); 151 } 152