109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)unix.c 1.1 94/10/31 SMI"; /* from UCB 5.3 5/8/86 */
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#endif
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/*
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* Display protocol blocks in the unix domain.
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*/
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#include <sys/param.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/mbuf.h>
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#include <sys/un.h>
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#include <sys/unpcb.h>
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#define KERNEL
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#include <sys/file.h>
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int Aflag;
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int kread();
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unixpr(nfileaddr, fileaddr, unixsw)
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off_t nfileaddr, fileaddr;
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struct protosw *unixsw;
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{
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register struct file *fp;
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struct file *filep;
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struct socket sock, *so = &sock;
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if (nfileaddr == 0 || fileaddr == 0) {
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printf("nfile or file not in namelist.\n");
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return;
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}
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if (kread(nfileaddr, &nfile, sizeof (nfile)) != sizeof (nfile)) {
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printf("nfile: bad read.\n");
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return;
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}
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if (kread(fileaddr, &filep, sizeof (filep)) != sizeof (filep)) {
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printf("File table address, bad read.\n");
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return;
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}
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file = (struct file *)calloc(nfile, sizeof (struct file));
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if (file == (struct file *)0) {
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printf("Out of memory (file table).\n");
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return;
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}
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if (kread((off_t)filep, file, nfile * sizeof (struct file)) !=
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nfile * sizeof (struct file)) {
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printf("File table read error.\n");
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return;
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}
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fileNFILE = file + nfile;
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for (fp = file; fp < fileNFILE; fp++) {
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if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET)
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continue;
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if (kread(fp->f_data, so, sizeof (*so)) != sizeof (*so))
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continue;
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/* kludge */
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if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2)
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if (so->so_pcb)
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unixdomainpr(so, fp->f_data);
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}
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free((char *)file);
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}
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static char *socktype[] =
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{ "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
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unixdomainpr(so, soaddr)
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register struct socket *so;
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caddr_t soaddr;
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{
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struct unpcb unpcb, *unp = &unpcb;
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struct mbuf mbuf, *m;
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struct sockaddr_un *sa;
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static int first = 1;
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if (kread(so->so_pcb, unp, sizeof (*unp)) != sizeof (*unp))
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return;
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if (unp->unp_addr) {
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m = &mbuf;
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if (kread(unp->unp_addr, m, sizeof (*m)) != sizeof (*m))
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m = (struct mbuf *)0;
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sa = mtod(m, struct sockaddr_un *);
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} else
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m = (struct mbuf *)0;
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if (first) {
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printf("Active UNIX domain sockets\n");
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printf(
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"%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
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"Address", "Type", "Recv-Q", "Send-Q",
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"Vnode", "Conn", "Refs", "Nextref");
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first = 0;
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}
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printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x",
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soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc,
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unp->unp_vnode, unp->unp_conn,
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unp->unp_refs, unp->unp_nextref);
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if (m)
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printf(" %.*s", m->m_len - sizeof(sa->sun_family),
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sa->sun_path);
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putchar('\n');
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}
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