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 #include <net/pfkeyv2.h>
  43
  44 #include <stdlib.h>
  45 #include <stdio.h>
  46 #include <string.h>
  47 #include <errno.h>
  48 #if TIME_WITH_SYS_TIME
  49 # include <sys/time.h>
  50 # include <time.h>
  51 #else
  52 # if HAVE_SYS_TIME_H
  53 #  include <sys/time.h>
  54 # else
  55 #  include <time.h>
  56 # endif
  57 #endif
  58 #include <netdb.h>
  59 #ifdef HAVE_UNISTD_H
  60 #include <unistd.h>
  61 #endif
  62 #include <err.h>
  63 #include <sys/ioctl.h>
  64
  65 #include "libpfkey.h"
  66
  67 #include "var.h"
  68 #include "misc.h"
  69 #include "vmbuf.h"
  70 #include "plog.h"
  71 #include "debug.h"
  72 #include "sockmisc.h"
  73
  74 #include "racoonctl.h"
  75 #include "schedule.h"
  76 #include "isakmp_var.h"
  77 #include "isakmp.h"
  78 #include "isakmp_xauth.h"
  79 #include "isakmp_var.h"
  80 #include "isakmp_cfg.h"
  81 #include "isakmp_unity.h"
  82 #include "oakley.h"
  83 #include "handler.h"
  84 #include "pfkey.h"
  85 #include "ipsec_doi.h"
  86
  87 u_int32_t racoonctl_interface = RACOONCTL_INTERFACE;
  88 u_int32_t racoonctl_interface_major = RACOONCTL_INTERFACE_MAJOR;
  89
  90 static int so;
  91 u_int32_t loglevel = 0;
  92
  93 int
  94 com_init()
  95 {
  96     union {             // Wcast-align fix - force alignment of sockaddr_un
  97         struct sockaddr_storage ss;
  98         struct sockaddr_un name;
  99     } u;
 100
 101         memset(&u, 0, sizeof(struct sockaddr_un));
 102         u.name.sun_family = AF_UNIX;
 103         snprintf(u.name.sun_path, sizeof(u.name.sun_path),
 104                 "%s", adminsock_path);
 105
 106         so = socket(AF_UNIX, SOCK_STREAM, 0);
 107         if (so < 0)
 108                 return -1;
 109
 110         if (connect(so, (struct sockaddr *)&u.ss, sizeof(struct sockaddr_un)) < 0) {
 111                 (void)close(so);
 112                 return -1;
 113         }
 114
 115         return 0;
 116 }
 117
 118 int
 119 com_send(combuf)
 120         vchar_t *combuf;
 121 {
 122         int len;
 123
 124         if ((len = send(so, combuf->v, combuf->l, 0)) == -1) {
 125                 perror("send");
 126                 (void)close(so);
 127                 return -1;
 128         }
 129
 130         return 0;
 131 }
 132
 133 int
 134 com_recv(combufp)
 135         vchar_t **combufp;
 136 {
 137         struct admin_com h;
 138         int len;
 139         int l = 0;
 140         caddr_t p;
 141
 142         if (combufp == NULL)
 143                 return -1;
 144
 145         /* receive by PEEK */
 146         if ((len = recv(so, &h, sizeof(h), MSG_PEEK)) == -1)
 147                 goto bad1;
 148
 149         /* sanity check */
 150         if (len < sizeof(h))
 151                 goto bad1;
 152
 153         if (h.ac_errno) {
 154                 errno = h.ac_errno;
 155                 goto bad1;
 156         }
 157
 158         /* allocate buffer */
 159         if ((*combufp = vmalloc(h.ac_len)) == NULL)
 160                 goto bad1;
 161
 162         /* read real message */
 163         p = (*combufp)->v;
 164         while (l < len) {
 165                 if ((len = recv(so, p, h.ac_len, 0)) < 0) {
 166                         perror("recv");
 167                         goto bad2;
 168                 }
 169                 l += len;
 170                 p += len;
 171         }
 172
 173         return 0;
 174
 175 bad2:
 176         vfree(*combufp);
 177 bad1:
 178         *combufp = NULL;
 179         return -1;
 180 }
 181
 182 /*
 183  * Dumb plog functions (used by sockmisc.c)
 184  */
 185
 186 void
 187 plogdump_func(int pri, void *data, size_t len, const char *fmt, ...)
 188 {
 189         return;
 190 }
 191
 192 struct sockaddr *
 193 get_sockaddr(family, name, port)
 194         int family;
 195         char *name, *port;
 196 {
 197         struct addrinfo hint, *ai;
 198         int error;
 199
 200         memset(&hint, 0, sizeof(hint));
 201         hint.ai_family = PF_UNSPEC;
 202         hint.ai_family = family;
 203         hint.ai_socktype = SOCK_STREAM;
 204
 205         error = getaddrinfo(name, port, &hint, &ai);
 206         if (error != 0) {
 207                 printf("%s: %s/%s\n", gai_strerror(error), name, port);
 208                 return NULL;
 209         }
 210
 211         return ai->ai_addr;
 212 }