2 * Copyright (c) 1996-1999 Whistle Communications, Inc.
5 * Subject to the following obligations and disclaimer of warranty, use and
6 * redistribution of this software, in source or object code forms, with or
7 * without modifications are expressly permitted by Whistle Communications;
8 * provided, however, that:
9 * 1. Any and all reproductions of the source or object code must include the
10 * copyright notice above and the following disclaimer of warranties; and
11 * 2. No rights are granted, in any manner or form, to use Whistle
12 * Communications, Inc. trademarks, including the mark "WHISTLE
13 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as
14 * such appears in the above copyright notice or in the software.
16 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
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34 * $FreeBSD: src/usr.bin/netstat/netgraph.c,v 1.3.2.2 2001/08/10 09:07:09 ru Exp $
35 * $DragonFly: src/usr.bin/netstat/netgraph.c,v 1.3 2003/08/08 04:18:43 dillon Exp $
37 * $Id: atalk.c,v 1.11 1998/07/06 21:01:22 bde Exp $
40 #include <sys/param.h>
41 #include <sys/queue.h>
42 #include <sys/socket.h>
43 #include <sys/socketvar.h>
44 #include <sys/protosw.h>
45 #include <sys/linker.h>
47 #include <net/route.h>
50 #include <netgraph/ng_message.h>
51 #include <netgraph/socket/ng_socket.h>
52 #include <netgraph/socket/ng_socketvar.h>
63 static int csock = -1;
66 netgraphprotopr(u_long off, char *name, int af __unused)
68 struct ngpcb *this, *next;
74 /* If symbol not found, try looking in the KLD module */
76 const char *const modname = "ng_socket.ko";
77 /* XXX We should get "mpath" from "sysctl kern.module_path" */
78 const char *mpath[] = { "/", "/boot/", "/modules/", NULL };
79 struct nlist sym[] = { { "_ngsocklist" }, { NULL } };
81 struct kld_file_stat ks;
84 /* See if module is loaded */
85 if ((fileid = kldfind(modname)) < 0) {
87 warn("kldfind(%s)", modname);
92 memset(&ks, 0, sizeof(ks));
93 ks.version = sizeof(struct kld_file_stat);
94 if (kldstat(fileid, &ks) < 0) {
96 warn("kldstat(%d)", fileid);
100 /* Get symbol table from module file */
101 for (pre = mpath; *pre; pre++) {
102 char path[MAXPATHLEN];
104 snprintf(path, sizeof(path), "%s%s", *pre, modname);
105 if (nlist(path, sym) == 0)
109 /* Did we find it? */
110 if (sym[0].n_value == 0) {
112 warnx("%s not found", modname);
116 /* Symbol found at load address plus symbol offset */
117 off = (u_long) ks.address + sym[0].n_value;
120 /* Get pointer to first socket */
121 kread(off, (char *)&this, sizeof(this));
123 /* Get my own socket node */
125 NgMkSockNode(NULL, &csock, NULL);
127 for (; this != NULL; this = next) {
128 u_char rbuf[sizeof(struct ng_mesg) + sizeof(struct nodeinfo)];
129 struct ng_mesg *resp = (struct ng_mesg *) rbuf;
130 struct nodeinfo *ni = (struct nodeinfo *) resp->data;
133 /* Read in ngpcb structure */
134 kread((u_long)this, (char *)&ngpcb, sizeof(ngpcb));
135 next = LIST_NEXT(&ngpcb, socks);
137 /* Read in socket structure */
138 kread((u_long)ngpcb.ng_socket, (char *)&sockb, sizeof(sockb));
140 /* Check type of socket */
141 if (strcmp(name, "ctrl") == 0 && ngpcb.type != NG_CONTROL)
143 if (strcmp(name, "data") == 0 && ngpcb.type != NG_DATA)
148 printf("Netgraph sockets\n");
150 printf("%-8.8s ", "PCB");
151 printf("%-5.5s %-6.6s %-6.6s %-14.14s %s\n",
152 "Type", "Recv-Q", "Send-Q",
153 "Node Address", "#Hooks");
159 printf("%8lx ", (u_long) this);
160 printf("%-5.5s %6lu %6lu ",
161 name, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc);
163 /* Get ngsock structure */
164 if (ngpcb.sockdata == 0) /* unconnected data socket */
166 kread((u_long)ngpcb.sockdata, (char *)&info, sizeof(info));
168 /* Get info on associated node */
169 if (info.node == 0 || csock == -1)
171 snprintf(path, sizeof(path), "[%lx]:", (u_long) info.node);
172 if (NgSendMsg(csock, path,
173 NGM_GENERIC_COOKIE, NGM_NODEINFO, NULL, 0) < 0)
175 if (NgRecvMsg(csock, resp, sizeof(rbuf), NULL) < 0)
178 /* Display associated node info */
179 if (*ni->name != '\0')
180 snprintf(path, sizeof(path), "%s:", ni->name);
181 printf("%-14.14s %4d", path, ni->hooks);