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29 * @(#)unix.c 8.1 (Berkeley) 6/6/93
30 * $FreeBSD: src/usr.bin/netstat/unix.c,v 1.12.2.2 2001/08/10 09:07:09 ru Exp $
34 * Display protocol blocks in the unix domain.
36 #include <sys/param.h>
37 #include <sys/queue.h>
38 #include <sys/protosw.h>
39 #include <sys/socket.h>
40 #include <sys/socketvar.h>
42 #include <sys/sysctl.h>
44 #include <sys/unpcb.h>
46 #include <netinet/in.h>
56 static void unixdomainpr (struct xunpcb *, struct xsocket *);
58 static const char *const socktype[] =
59 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
68 char mibvar[sizeof "net.local.seqpacket.pcblist"];
70 for (type = SOCK_STREAM; type <= SOCK_SEQPACKET; type++) {
71 sprintf(mibvar, "net.local.%s.pcblist", socktype[type]);
74 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
76 warn("sysctl: %s", mibvar);
79 if ((buf = malloc(len)) == NULL) {
80 warn("malloc %lu bytes", (u_long)len);
83 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
84 warn("sysctl: %s", mibvar);
89 xunp = (struct xunpcb *)buf;
91 for (i = 0; i < len; i++) {
92 if (xunp[i].xu_len != sizeof(*xunp)) {
93 warnx("sysctl: ABI mismatch");
97 unixdomainpr(&xunp[i], &xunp[i].xu_socket);
104 unixdomainpr(struct xunpcb *xunp, struct xsocket *so)
107 struct sockaddr_un *sa;
108 static int first = 1;
117 printf("Active UNIX domain sockets\n");
119 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
120 "Address", "Type", "Recv-Q", "Send-Q",
121 "Inode", "Conn", "Refs", "Nextref");
124 printf("%8lx %-6.6s %6ld %6ld %8lx %8lx %8lx %8lx",
125 (long)so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc,
127 (long)unp->unp_vnode, (long)unp->unp_conn,
128 (long)LIST_FIRST(&unp->unp_refs), (long)LIST_NEXT(unp, unp_reflink));
131 (int)(sa->sun_len - offsetof(struct sockaddr_un, sun_path)),