Annotation of src/usr.bin/netstat/unix.c, Revision 1.1
1.1 ! deraadt 1: /* $NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej 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. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by the University of
! 18: * California, Berkeley and its contributors.
! 19: * 4. Neither the name of the University nor the names of its contributors
! 20: * may be used to endorse or promote products derived from this software
! 21: * without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 33: * SUCH DAMAGE.
! 34: */
! 35:
! 36: #ifndef lint
! 37: #if 0
! 38: static char sccsid[] = "from: @(#)unix.c 8.1 (Berkeley) 6/6/93";
! 39: #else
! 40: static char *rcsid = "$NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $";
! 41: #endif
! 42: #endif /* not lint */
! 43:
! 44: /*
! 45: * Display protocol blocks in the unix domain.
! 46: */
! 47: #include <sys/param.h>
! 48: #include <sys/protosw.h>
! 49: #include <sys/socket.h>
! 50: #include <sys/socketvar.h>
! 51: #include <sys/mbuf.h>
! 52: #include <sys/sysctl.h>
! 53: #include <sys/un.h>
! 54: #include <sys/unpcb.h>
! 55: #define _KERNEL
! 56: struct uio;
! 57: struct proc;
! 58: #include <sys/file.h>
! 59:
! 60: #include <netinet/in.h>
! 61:
! 62: #include <stdio.h>
! 63: #include <stdlib.h>
! 64: #include <kvm.h>
! 65: #include "netstat.h"
! 66:
! 67: static void unixdomainpr __P((struct socket *, caddr_t));
! 68:
! 69: static struct file *file, *fileNFILE;
! 70: static int nfiles;
! 71: extern kvm_t *kvmd;
! 72:
! 73: void
! 74: unixpr(off)
! 75: u_long off;
! 76: {
! 77: register struct file *fp;
! 78: struct socket sock, *so = &sock;
! 79: char *filebuf;
! 80: struct protosw *unixsw = (struct protosw *)off;
! 81:
! 82: filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles);
! 83: if (filebuf == 0) {
! 84: printf("Out of memory (file table).\n");
! 85: return;
! 86: }
! 87: file = (struct file *)(filebuf + sizeof(fp));
! 88: fileNFILE = file + nfiles;
! 89: for (fp = file; fp < fileNFILE; fp++) {
! 90: if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET)
! 91: continue;
! 92: if (kread((u_long)fp->f_data, (char *)so, sizeof (*so)))
! 93: continue;
! 94: /* kludge */
! 95: if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2)
! 96: if (so->so_pcb)
! 97: unixdomainpr(so, fp->f_data);
! 98: }
! 99: }
! 100:
! 101: static char *socktype[] =
! 102: { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
! 103:
! 104: static void
! 105: unixdomainpr(so, soaddr)
! 106: register struct socket *so;
! 107: caddr_t soaddr;
! 108: {
! 109: struct unpcb unpcb, *unp = &unpcb;
! 110: struct mbuf mbuf, *m;
! 111: struct sockaddr_un *sa;
! 112: static int first = 1;
! 113:
! 114: if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp)))
! 115: return;
! 116: if (unp->unp_addr) {
! 117: m = &mbuf;
! 118: if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m)))
! 119: m = (struct mbuf *)0;
! 120: sa = (struct sockaddr_un *)(m->m_dat);
! 121: } else
! 122: m = (struct mbuf *)0;
! 123: if (first) {
! 124: printf("Active UNIX domain sockets\n");
! 125: printf(
! 126: "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
! 127: "Address", "Type", "Recv-Q", "Send-Q",
! 128: "Inode", "Conn", "Refs", "Nextref");
! 129: first = 0;
! 130: }
! 131: printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x",
! 132: soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc,
! 133: unp->unp_vnode, unp->unp_conn,
! 134: unp->unp_refs, unp->unp_nextref);
! 135: if (m)
! 136: printf(" %.*s",
! 137: m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)),
! 138: sa->sun_path);
! 139: putchar('\n');
! 140: }
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