ipsec-tools/racoon/kmpstat.c

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