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test-policy.c

/*    $KAME: test-policy.c,v 1.16 2003/08/26 03:24:08 itojun Exp $      */

/*
 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>

#include <netinet/in.h>
#include <net/pfkeyv2.h>
#include <netinet/ipsec.h>

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <err.h>

#include "libpfkey.h"

struct req_t {
      int result; /* expected result; 0:ok 1:ng */
      char *str;
} reqs[] = {
{ 0, "out ipsec" },
{ 1, "must_error" },
{ 1, "in ipsec must_error" },
{ 1, "out ipsec esp/must_error" },
{ 1, "out discard" },
{ 1, "out none" },
{ 0, "in entrust" },
{ 0, "out entrust" },
{ 1, "out ipsec esp" },
{ 0, "in ipsec ah/transport" },
{ 1, "in ipsec ah/tunnel" },
{ 0, "out ipsec ah/transport/" },
{ 1, "out ipsec ah/tunnel/" },
{ 0, "in ipsec esp / transport / 10.0.0.1-10.0.0.2" },
{ 0, "in ipsec esp/tunnel/::1-::2" },
{ 1, "in ipsec esp/tunnel/10.0.0.1-::2" },
{ 0, "in ipsec esp/tunnel/::1-::2/require" },
{ 0, "out ipsec ah/transport//use" },
{ 1, "out ipsec ah/transport esp/use" },
{ 1, "in ipsec ah/transport esp/tunnel" },
{ 0, "in ipsec ah/transport esp/tunnel/::1-::1" },
{ 0, "in ipsec
      ah / transport
      esp / tunnel / ::1-::2" },
{ 0, "out ipsec
      ah/transport/::1-::2 esp/tunnel/::3-::4/use ah/transport/::5-::6/require
      ah/transport/::1-::2 esp/tunnel/::3-::4/use ah/transport/::5-::6/require
      ah/transport/::1-::2 esp/tunnel/::3-::4/use ah/transport/::5-::6/require
      " },
{ 0, "out ipsec esp/transport/fec0::10-fec0::11/use" },
};

int test1 __P((void));
int test1sub1 __P((struct req_t *));
int test1sub2 __P((char *, int));
int test2 __P((void));
int test2sub __P((int));

int
main(ac, av)
      int ac;
      char **av;
{
      test1();
      test2();

      exit(0);
}

int
test1()
{
      int i;
      int result;

      printf("TEST1\n");
      for (i = 0; i < sizeof(reqs)/sizeof(reqs[0]); i++) {
            printf("#%d [%s]\n", i + 1, reqs[i].str);

            result = test1sub1(&reqs[i]);
            if (result == 0 && reqs[i].result == 1) {
                  warnx("ERROR: expecting failure.");
            } else if (result == 1 && reqs[i].result == 0) {
                  warnx("ERROR: expecting success.");
            }
      }

      return 0;
}

int
test1sub1(req)
      struct req_t *req;
{
      char *buf;

      buf = ipsec_set_policy(req->str, strlen(req->str));
      if (buf == NULL) {
            printf("ipsec_set_policy: %s\n", ipsec_strerror());
            return 1;
      }

      if (test1sub2(buf, PF_INET) != 0
       || test1sub2(buf, PF_INET6) != 0) {
            free(buf);
            return 1;
      }
#if 0
      kdebug_sadb_x_policy((struct sadb_ext *)buf);
#endif

      free(buf);
      return 0;
}

int
test1sub2(policy, family)
      char *policy;
      int family;
{
      int so;
      int proto = 0, optname = 0;
      int len;
      char getbuf[1024];

      switch (family) {
      case PF_INET:
            proto = IPPROTO_IP;
            optname = IP_IPSEC_POLICY;
            break;
      case PF_INET6:
            proto = IPPROTO_IPV6;
            optname = IPV6_IPSEC_POLICY;
            break;
      }

      if ((so = socket(family, SOCK_DGRAM, 0)) < 0)
            err(1, "socket");

      len = ipsec_get_policylen(policy);
#if 0
      printf("\tsetlen:%d\n", len);
#endif

      if (setsockopt(so, proto, optname, policy, len) < 0) {
            printf("fail to set sockopt; %s\n", strerror(errno));
            close(so);
            return 1;
      }

      memset(getbuf, 0, sizeof(getbuf));
      memcpy(getbuf, policy, sizeof(struct sadb_x_policy));
      if (getsockopt(so, proto, optname, getbuf, &len) < 0) {
            printf("fail to get sockopt; %s\n", strerror(errno));
            close(so);
            return 1;
      }

    {
      char *buf = NULL;

#if 0
      printf("\tgetlen:%d\n", len);
#endif

      if ((buf = ipsec_dump_policy(getbuf, NULL)) == NULL) {
            printf("%s\n", ipsec_strerror());
            close(so);
            return 1;
      }
#if 0
      printf("\t[%s]\n", buf);
#endif
      free(buf);
    }

      close (so);
      return 0;
}

char addr[] = {
      28, 28, 0, 0,
      0, 0, 0, 0,
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
      0, 0, 0, 0,
};

int
test2()
{
      int so;
      char *pol1 = "out ipsec";
      char *pol2 = "out ipsec ah/transport//use";
      char *sp1, *sp2;
      int splen1, splen2;
      int spid;
      struct sadb_msg *m;

      printf("TEST2\n");
      if (getuid() != 0)
            errx(1, "root privilege required.");

      sp1 = ipsec_set_policy(pol1, strlen(pol1));
      splen1 = ipsec_get_policylen(sp1);
      sp2 = ipsec_set_policy(pol2, strlen(pol2));
      splen2 = ipsec_get_policylen(sp2);

      if ((so = pfkey_open()) < 0)
            errx(1, "ERROR: %s", ipsec_strerror());

      printf("spdflush()\n");
      if (pfkey_send_spdflush(so) < 0)
            errx(1, "ERROR: %s", ipsec_strerror());
      m = pfkey_recv(so);
      free(m);

      printf("spdsetidx()\n");
      if (pfkey_send_spdsetidx(so, (struct sockaddr *)addr, 128,
                        (struct sockaddr *)addr, 128,
                        255, sp1, splen1, 0) < 0)
            errx(1, "ERROR: %s", ipsec_strerror());
      m = pfkey_recv(so);
      free(m);
      
      printf("spdupdate()\n");
      if (pfkey_send_spdupdate(so, (struct sockaddr *)addr, 128,
                        (struct sockaddr *)addr, 128,
                        255, sp2, splen2, 0) < 0)
            errx(1, "ERROR: %s", ipsec_strerror());
      m = pfkey_recv(so);
      free(m);

      printf("sleep(4)\n");
      sleep(4);

      printf("spddelete()\n");
      if (pfkey_send_spddelete(so, (struct sockaddr *)addr, 128,
                        (struct sockaddr *)addr, 128,
                        255, sp1, splen1, 0) < 0)
            errx(1, "ERROR: %s", ipsec_strerror());
      m = pfkey_recv(so);
      free(m);

      printf("spdadd()\n");
      if (pfkey_send_spdadd(so, (struct sockaddr *)addr, 128,
                        (struct sockaddr *)addr, 128,
                        255, sp2, splen2, 0) < 0)
            errx(1, "ERROR: %s", ipsec_strerror());
      spid = test2sub(so);

      printf("spdget(%u)\n", spid);
      if (pfkey_send_spdget(so, spid) < 0)
            errx(1, "ERROR: %s", ipsec_strerror());
      m = pfkey_recv(so);
      free(m);

      printf("sleep(4)\n");
      sleep(4);

      printf("spddelete2()\n");
      if (pfkey_send_spddelete2(so, spid) < 0)
            errx(1, "ERROR: %s", ipsec_strerror());
      m = pfkey_recv(so);
      free(m);

      printf("spdadd() with lifetime's 10(s)\n");
      if (pfkey_send_spdadd2(so, (struct sockaddr *)addr, 128,
                        (struct sockaddr *)addr, 128,
                        255, 0, 10, sp2, splen2, 0) < 0)
            errx(1, "ERROR: %s", ipsec_strerror());
      spid = test2sub(so);

      /* expecting failure */
      printf("spdupdate()\n");
      if (pfkey_send_spdupdate(so, (struct sockaddr *)addr, 128,
                        (struct sockaddr *)addr, 128,
                        255, sp2, splen2, 0) == 0) {
            warnx("ERROR: expecting failure.");
      }

      return 0;
}

int
test2sub(so)
      int so;
{
      struct sadb_msg *msg;
      caddr_t mhp[SADB_EXT_MAX + 1];

      if ((msg = pfkey_recv(so)) == NULL)
            errx(1, "ERROR: pfkey_recv failure.");
      if (pfkey_align(msg, mhp) < 0)
            errx(1, "ERROR: pfkey_align failure.");

      return ((struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY])->sadb_x_policy_id;
}


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