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 92u_int32_t racoonctl_interface = RACOONCTL_INTERFACE; 93u_int32_t racoonctl_interface_major = RACOONCTL_INTERFACE_MAJOR; 94 95static int so; 96u_int32_t loglevel = 0; 97 98int 99com_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 120int 121com_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 135int 136com_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 184bad2: 185 vfree(*combufp); 186bad1: 187 *combufp = NULL; 188 return -1; 189} 190 191/* 192 * Dumb plog functions (used by sockmisc.c) 193 */ 194void 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 204void 205plogdump(pri, data, len) 206 int pri; 207 void *data; 208 size_t len; 209{ 210 return; 211} 212 213struct sockaddr * 214get_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