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
17 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
18 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
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21 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
22 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
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31 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
39 #include <sys/queue.h>
40 #include <sys/socket.h>
41 #include <sys/socketvar.h>
42 #include <sys/protosw.h>
43 #include <sys/linker.h>
45 #include <net/route.h>
48 #include <netgraph/ng_message.h>
49 #include <netgraph/ng_socket.h>
50 #include <netgraph/ng_socketvar.h>
62 static int csock = -1;
65 netgraphprotopr(u_long off, const char *name, int af1 __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[] = { { .n_name = "_ngsocklist" },
82 struct kld_file_stat ks;
85 /* Can't do this for core dumps. */
89 /* See if module is loaded */
90 if ((fileid = kldfind(modname)) < 0) {
92 warn("kldfind(%s)", modname);
97 memset(&ks, 0, sizeof(ks));
98 ks.version = sizeof(struct kld_file_stat);
99 if (kldstat(fileid, &ks) < 0) {
101 warn("kldstat(%d)", fileid);
105 /* Get symbol table from module file */
106 for (pre = mpath; *pre; pre++) {
107 char path[MAXPATHLEN];
109 snprintf(path, sizeof(path), "%s%s", *pre, modname);
110 if (nlist(path, sym) == 0)
114 /* Did we find it? */
115 if (sym[0].n_value == 0) {
117 warnx("%s not found", modname);
121 /* Symbol found at load address plus symbol offset */
122 off = (u_long) ks.address + sym[0].n_value;
125 /* Get pointer to first socket */
126 kread(off, (char *)&this, sizeof(this));
128 /* Get my own socket node */
130 NgMkSockNode(NULL, &csock, NULL);
132 for (; this != NULL; this = next) {
133 u_char rbuf[sizeof(struct ng_mesg) + sizeof(struct nodeinfo)];
134 struct ng_mesg *resp = (struct ng_mesg *) rbuf;
135 struct nodeinfo *ni = (struct nodeinfo *) resp->data;
138 /* Read in ngpcb structure */
139 kread((u_long)this, (char *)&ngpcb, sizeof(ngpcb));
140 next = LIST_NEXT(&ngpcb, socks);
142 /* Read in socket structure */
143 kread((u_long)ngpcb.ng_socket, (char *)&sockb, sizeof(sockb));
145 /* Check type of socket */
146 if (strcmp(name, "ctrl") == 0 && ngpcb.type != NG_CONTROL)
148 if (strcmp(name, "data") == 0 && ngpcb.type != NG_DATA)
153 printf("Netgraph sockets\n");
155 printf("%-8.8s ", "PCB");
156 printf("%-5.5s %-6.6s %-6.6s %-14.14s %s\n",
157 "Type", "Recv-Q", "Send-Q",
158 "Node Address", "#Hooks");
164 printf("%8lx ", (u_long) this);
165 printf("%-5.5s %6u %6u ",
166 name, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc);
168 /* Get ngsock structure */
169 if (ngpcb.sockdata == NULL) /* unconnected data socket */
171 kread((u_long)ngpcb.sockdata, (char *)&info, sizeof(info));
173 /* Get info on associated node */
174 if (info.node_id == 0 || csock == -1)
176 snprintf(path, sizeof(path), "[%x]:", info.node_id);
177 if (NgSendMsg(csock, path,
178 NGM_GENERIC_COOKIE, NGM_NODEINFO, NULL, 0) < 0)
180 if (NgRecvMsg(csock, resp, sizeof(rbuf), NULL) < 0)
183 /* Display associated node info */
184 if (*ni->name != '\0')
185 snprintf(path, sizeof(path), "%s:", ni->name);
186 printf("%-14.14s %4d", path, ni->hooks);