Clean up more #include files. Create an internal __boolean_t so two or
[dragonfly.git] / usr.bin / netstat / netgraph.c
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1/*
2 * Copyright (c) 1996-1999 Whistle Communications, Inc.
3 * All rights reserved.
4 *
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.
15 *
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,
19 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
21 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
22 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
23 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
24 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
25 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
26 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
27 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
32 * OF SUCH DAMAGE.
33 *
34 * $FreeBSD: src/usr.bin/netstat/netgraph.c,v 1.3.2.2 2001/08/10 09:07:09 ru Exp $
03d6a592 35 * $DragonFly: src/usr.bin/netstat/netgraph.c,v 1.4 2006/05/21 03:43:47 dillon Exp $
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36 *
37 * $Id: atalk.c,v 1.11 1998/07/06 21:01:22 bde Exp $
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38 */
39
03d6a592 40#define _KERNEL_STRUCTURES
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41#include <sys/param.h>
42#include <sys/queue.h>
43#include <sys/socket.h>
44#include <sys/socketvar.h>
45#include <sys/protosw.h>
46#include <sys/linker.h>
47
48#include <net/route.h>
49
50#include <netgraph.h>
51#include <netgraph/ng_message.h>
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52#include <netgraph/socket/ng_socket.h>
53#include <netgraph/socket/ng_socketvar.h>
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54
55#include <nlist.h>
56#include <errno.h>
57#include <stdio.h>
58#include <string.h>
59#include <unistd.h>
60#include <err.h>
61#include "netstat.h"
62
63static int first = 1;
64static int csock = -1;
65
66void
67netgraphprotopr(u_long off, char *name, int af __unused)
68{
69 struct ngpcb *this, *next;
70 struct ngpcb ngpcb;
71 struct ngsock info;
72 struct socket sockb;
73 int debug = 1;
74
75 /* If symbol not found, try looking in the KLD module */
76 if (off == 0) {
77 const char *const modname = "ng_socket.ko";
78/* XXX We should get "mpath" from "sysctl kern.module_path" */
79 const char *mpath[] = { "/", "/boot/", "/modules/", NULL };
80 struct nlist sym[] = { { "_ngsocklist" }, { NULL } };
81 const char **pre;
82 struct kld_file_stat ks;
83 int fileid;
84
85 /* See if module is loaded */
86 if ((fileid = kldfind(modname)) < 0) {
87 if (debug)
88 warn("kldfind(%s)", modname);
89 return;
90 }
91
92 /* Get module info */
93 memset(&ks, 0, sizeof(ks));
94 ks.version = sizeof(struct kld_file_stat);
95 if (kldstat(fileid, &ks) < 0) {
96 if (debug)
97 warn("kldstat(%d)", fileid);
98 return;
99 }
100
101 /* Get symbol table from module file */
102 for (pre = mpath; *pre; pre++) {
103 char path[MAXPATHLEN];
104
105 snprintf(path, sizeof(path), "%s%s", *pre, modname);
106 if (nlist(path, sym) == 0)
107 break;
108 }
109
110 /* Did we find it? */
111 if (sym[0].n_value == 0) {
112 if (debug)
113 warnx("%s not found", modname);
114 return;
115 }
116
117 /* Symbol found at load address plus symbol offset */
118 off = (u_long) ks.address + sym[0].n_value;
119 }
120
121 /* Get pointer to first socket */
122 kread(off, (char *)&this, sizeof(this));
123
124 /* Get my own socket node */
125 if (csock == -1)
126 NgMkSockNode(NULL, &csock, NULL);
127
128 for (; this != NULL; this = next) {
129 u_char rbuf[sizeof(struct ng_mesg) + sizeof(struct nodeinfo)];
130 struct ng_mesg *resp = (struct ng_mesg *) rbuf;
131 struct nodeinfo *ni = (struct nodeinfo *) resp->data;
132 char path[64];
133
134 /* Read in ngpcb structure */
135 kread((u_long)this, (char *)&ngpcb, sizeof(ngpcb));
136 next = LIST_NEXT(&ngpcb, socks);
137
138 /* Read in socket structure */
139 kread((u_long)ngpcb.ng_socket, (char *)&sockb, sizeof(sockb));
140
141 /* Check type of socket */
142 if (strcmp(name, "ctrl") == 0 && ngpcb.type != NG_CONTROL)
143 continue;
144 if (strcmp(name, "data") == 0 && ngpcb.type != NG_DATA)
145 continue;
146
147 /* Do headline */
148 if (first) {
149 printf("Netgraph sockets\n");
150 if (Aflag)
151 printf("%-8.8s ", "PCB");
152 printf("%-5.5s %-6.6s %-6.6s %-14.14s %s\n",
153 "Type", "Recv-Q", "Send-Q",
154 "Node Address", "#Hooks");
155 first = 0;
156 }
157
158 /* Show socket */
159 if (Aflag)
160 printf("%8lx ", (u_long) this);
161 printf("%-5.5s %6lu %6lu ",
162 name, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc);
163
164 /* Get ngsock structure */
165 if (ngpcb.sockdata == 0) /* unconnected data socket */
166 goto finish;
167 kread((u_long)ngpcb.sockdata, (char *)&info, sizeof(info));
168
169 /* Get info on associated node */
170 if (info.node == 0 || csock == -1)
171 goto finish;
172 snprintf(path, sizeof(path), "[%lx]:", (u_long) info.node);
173 if (NgSendMsg(csock, path,
174 NGM_GENERIC_COOKIE, NGM_NODEINFO, NULL, 0) < 0)
175 goto finish;
176 if (NgRecvMsg(csock, resp, sizeof(rbuf), NULL) < 0)
177 goto finish;
178
179 /* Display associated node info */
180 if (*ni->name != '\0')
181 snprintf(path, sizeof(path), "%s:", ni->name);
182 printf("%-14.14s %4d", path, ni->hooks);
183finish:
184 putchar('\n');
185 }
186}
187