diff options
Diffstat (limited to 'usr.bin/netstat/unix.c')
| -rw-r--r-- | usr.bin/netstat/unix.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/usr.bin/netstat/unix.c b/usr.bin/netstat/unix.c new file mode 100644 index 0000000..0310b68 --- /dev/null +++ b/usr.bin/netstat/unix.c @@ -0,0 +1,134 @@ +/*- + * Copyright (c) 1983, 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +/* + * Display protocol blocks in the unix domain. + */ +#include <kvm.h> +#include <sys/param.h> +#include <sys/protosw.h> +#include <sys/socket.h> +#include <sys/socketvar.h> +#include <sys/mbuf.h> +#include <sys/sysctl.h> +#include <sys/un.h> +#include <sys/unpcb.h> +#define KERNEL +struct uio; +struct proc; +#include <sys/file.h> + +#include <netinet/in.h> + +#include <stdio.h> +#include <stdlib.h> +#include "netstat.h" + +static void unixdomainpr __P((struct socket *, caddr_t)); + +static struct file *file, *fileNFILE; +static int nfiles; +extern kvm_t *kvmd; + +void +unixpr(off) + u_long off; +{ + register struct file *fp; + struct socket sock, *so = &sock; + char *filebuf; + struct protosw *unixsw = (struct protosw *)off; + + filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles); + if (filebuf == 0) { + printf("Out of memory (file table).\n"); + return; + } + file = (struct file *)(filebuf + sizeof(fp)); + fileNFILE = file + nfiles; + for (fp = file; fp < fileNFILE; fp++) { + if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET) + continue; + if (kread((u_long)fp->f_data, (char *)so, sizeof (*so))) + continue; + /* kludge */ + if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2) + if (so->so_pcb) + unixdomainpr(so, fp->f_data); + } +} + +static char *socktype[] = + { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; + +static void +unixdomainpr(so, soaddr) + register struct socket *so; + caddr_t soaddr; +{ + struct unpcb unpcb, *unp = &unpcb; + struct mbuf mbuf, *m; + struct sockaddr_un *sa; + static int first = 1; + + if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp))) + return; + if (unp->unp_addr) { + m = &mbuf; + if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m))) + m = (struct mbuf *)0; + sa = (struct sockaddr_un *)(m->m_dat); + } else + m = (struct mbuf *)0; + if (first) { + printf("Active UNIX domain sockets\n"); + printf( +"%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", + "Address", "Type", "Recv-Q", "Send-Q", + "Inode", "Conn", "Refs", "Nextref"); + first = 0; + } + printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x", + soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc, + unp->unp_vnode, unp->unp_conn, + unp->unp_refs, unp->unp_nextref); + if (m) + printf(" %.*s", + m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)), + sa->sun_path); + putchar('\n'); +} |
