1 /*	$NetBSD: kmpstat.c,v 1.7 2010/11/12 09:08:26 tteras Exp $	*/
2 
3 /*	$KAME: kmpstat.c,v 1.33 2004/08/16 08:20:28 itojun Exp $	*/
4 
5 /*
6  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. Neither the name of the project nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include "config.h"
35 
36 #include <sys/types.h>
37 #include <sys/param.h>
38 #include <sys/socket.h>
39 #include <sys/un.h>
40 
41 #include <netinet/in.h>
42 #include <arpa/inet.h>
43 #include <net/pfkeyv2.h>
44 
45 #include <stdlib.h>
46 #include <stdio.h>
47 #include <string.h>
48 #include <errno.h>
49 #if TIME_WITH_SYS_TIME
50 # include <sys/time.h>
51 # include <time.h>
52 #else
53 # if HAVE_SYS_TIME_H
54 #  include <sys/time.h>
55 # else
56 #  include <time.h>
57 # endif
58 #endif
59 #include <netdb.h>
60 #ifdef HAVE_UNISTD_H
61 #include <unistd.h>
62 #endif
63 #include <err.h>
64 #include <sys/ioctl.h>
65 #include <resolv.h>
66 
67 #include "libpfkey.h"
68 
69 #include "var.h"
70 #include "misc.h"
71 #include "vmbuf.h"
72 #include "plog.h"
73 #include "debug.h"
74 #include "sockmisc.h"
75 
76 #include "racoonctl.h"
77 #include "admin.h"
78 #include "schedule.h"
79 #include "isakmp_var.h"
80 #include "isakmp.h"
81 #include "isakmp_xauth.h"
82 #include "isakmp_var.h"
83 #include "isakmp_cfg.h"
84 #include "oakley.h"
85 #include "handler.h"
86 #include "pfkey.h"
87 #include "admin.h"
88 #include "evt.h"
89 #include "admin_var.h"
90 #include "ipsec_doi.h"
91 
92 u_int32_t racoonctl_interface = RACOONCTL_INTERFACE;
93 u_int32_t racoonctl_interface_major = RACOONCTL_INTERFACE_MAJOR;
94 
95 static int so;
96 u_int32_t loglevel = 0;
97 
98 int
com_init()99 com_init()
100 {
101 	struct sockaddr_un name;
102 
103 	memset(&name, 0, sizeof(name));
104 	name.sun_family = AF_UNIX;
105 	snprintf(name.sun_path, sizeof(name.sun_path),
106 		"%s", adminsock_path);
107 
108 	so = socket(AF_UNIX, SOCK_STREAM, 0);
109 	if (so < 0)
110 		return -1;
111 
112 	if (connect(so, (struct sockaddr *)&name, sizeof(name)) < 0) {
113 		(void)close(so);
114 		return -1;
115 	}
116 
117 	return 0;
118 }
119 
120 int
com_send(combuf)121 com_send(combuf)
122 	vchar_t *combuf;
123 {
124 	int len;
125 
126 	if ((len = send(so, combuf->v, combuf->l, 0)) == -1) {
127 		perror("send");
128 		(void)close(so);
129 		return -1;
130 	}
131 
132 	return 0;
133 }
134 
135 int
com_recv(combufp)136 com_recv(combufp)
137 	vchar_t **combufp;
138 {
139 	struct admin_com h, *com;
140 	caddr_t buf;
141 	int len, rlen;
142 	int l = 0;
143 	caddr_t p;
144 
145 	if (combufp == NULL)
146 		return -1;
147 
148 	/* receive by PEEK */
149 	if ((len = recv(so, &h, sizeof(h), MSG_PEEK)) == -1)
150 		goto bad1;
151 
152 	/* sanity check */
153 	if (len < sizeof(h))
154 		goto bad1;
155 
156 	if (h.ac_errno && !(h.ac_cmd & ADMIN_FLAG_LONG_REPLY)) {
157 		errno = h.ac_errno;
158 		goto bad1;
159 	}
160 
161 	/* real length */
162 	if (h.ac_cmd & ADMIN_FLAG_LONG_REPLY)
163 		rlen = ((u_int32_t)h.ac_len) + (((u_int32_t)h.ac_len_high) << 16);
164 	else
165 		rlen = h.ac_len;
166 
167 	/* allocate buffer */
168 	if ((*combufp = vmalloc(rlen)) == NULL)
169 		goto bad1;
170 
171 	/* read real message */
172 	p = (*combufp)->v;
173 	while (l < rlen) {
174 		if ((len = recv(so, p, rlen - l, 0)) < 0) {
175 			perror("recv");
176 			goto bad2;
177 		}
178 		l += len;
179 		p += len;
180 	}
181 
182 	return 0;
183 
184 bad2:
185 	vfree(*combufp);
186 bad1:
187 	*combufp = NULL;
188 	return -1;
189 }
190 
191 /*
192  * Dumb plog functions (used by sockmisc.c)
193  */
194 void
_plog(int pri,const char * func,struct sockaddr * sa,const char * fmt,...)195 _plog(int pri, const char *func, struct sockaddr *sa, const char *fmt, ...)
196 {
197 	va_list ap;
198 
199 	va_start(ap, fmt);
200 	vprintf(fmt, ap);
201 	va_end(ap);
202 }
203 
204 void
plogdump(pri,data,len)205 plogdump(pri, data, len)
206 	int pri;
207 	void *data;
208 	size_t len;
209 {
210 	return;
211 }
212 
213 struct sockaddr *
get_sockaddr(family,name,port)214 get_sockaddr(family, name, port)
215 	int family;
216 	char *name, *port;
217 {
218 	struct addrinfo hint, *ai;
219 	int error;
220 
221 	memset(&hint, 0, sizeof(hint));
222 	hint.ai_family = PF_UNSPEC;
223 	hint.ai_family = family;
224 	hint.ai_socktype = SOCK_STREAM;
225 
226 	error = getaddrinfo(name, port, &hint, &ai);
227 	if (error != 0) {
228 		printf("%s: %s/%s\n", gai_strerror(error), name, port);
229 		return NULL;
230 	}
231 
232 	return ai->ai_addr;
233 }
234