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freebsd-dev/sbin/setkey/test-pfkey.c
Pedro F. Giffuni 8a16b7a18f General further adoption of SPDX licensing ID tags. 
Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.
2017-11-20 19:49:47 +00:00

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/* $FreeBSD$ */
/* $KAME: test-pfkey.c,v 1.4 2000/06/07 00:29:14 itojun Exp $ */
/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* 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 <net/route.h>
#include <net/pfkeyv2.h>
#include <netinet/in.h>
#include <netipsec/keydb.h>
#include <netipsec/key_var.h>
#include <netipsec/key_debug.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <errno.h>
#include <netdb.h>
u_char m_buf[BUFSIZ];
u_int m_len;
char *pname;
void Usage(void);
int sendkeymsg(void);
void key_setsadbmsg(u_int);
void key_setsadbsens(void);
void key_setsadbprop(void);
void key_setsadbid(u_int, caddr_t);
void key_setsadblft(u_int, u_int);
void key_setspirange(void);
void key_setsadbkey(u_int, caddr_t);
void key_setsadbsa(void);
void key_setsadbaddr(u_int, u_int, caddr_t);
void key_setsadbextbuf(caddr_t, int, caddr_t, int, caddr_t, int);
void
Usage()
{
printf("Usage:\t%s number\n", pname);
exit(0);
}
int
main(ac, av)
int ac;
char **av;
{
pname = *av;
if (ac == 1) Usage();
key_setsadbmsg(atoi(*(av+1)));
sendkeymsg();
exit(0);
}
/* %%% */
int
sendkeymsg()
{
u_char rbuf[1024 * 32]; /* XXX: Enough ? Should I do MSG_PEEK ? */
int so, len;
if ((so = socket(PF_KEY, SOCK_RAW, PF_KEY_V2)) < 0) {
perror("socket(PF_KEY)");
goto end;
}
#if 0
{
#include <sys/time.h>
struct timeval tv;
tv.tv_sec = 1;
tv.tv_usec = 0;
if (setsockopt(so, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0) {
perror("setsockopt");
goto end;
}
}
#endif
pfkey_sadump((struct sadb_msg *)m_buf);
if ((len = send(so, m_buf, m_len, 0)) < 0) {
perror("send");
goto end;
}
if ((len = recv(so, rbuf, sizeof(rbuf), 0)) < 0) {
perror("recv");
goto end;
}
pfkey_sadump((struct sadb_msg *)rbuf);
end:
(void)close(so);
return(0);
}
void
key_setsadbmsg(type)
u_int type;
{
struct sadb_msg m_msg;
memset(&m_msg, 0, sizeof(m_msg));
m_msg.sadb_msg_version = PF_KEY_V2;
m_msg.sadb_msg_type = type;
m_msg.sadb_msg_errno = 0;
m_msg.sadb_msg_satype = SADB_SATYPE_ESP;
#if 0
m_msg.sadb_msg_reserved = 0;
#endif
m_msg.sadb_msg_seq = 0;
m_msg.sadb_msg_pid = getpid();
m_len = sizeof(struct sadb_msg);
memcpy(m_buf, &m_msg, m_len);
switch (type) {
case SADB_GETSPI:
/*<base, address(SD), SPI range>*/
key_setsadbaddr(SADB_EXT_ADDRESS_SRC, AF_INET, "10.0.3.4");
key_setsadbaddr(SADB_EXT_ADDRESS_DST, AF_INET, "127.0.0.1");
key_setspirange();
/*<base, SA(*), address(SD)>*/
break;
case SADB_ADD:
/* <base, SA, (lifetime(HSC),) address(SD), (address(P),)
key(AE), (identity(SD),) (sensitivity)> */
key_setsadbaddr(SADB_EXT_ADDRESS_PROXY, AF_INET6, "3ffe::1");
case SADB_UPDATE:
key_setsadbsa();
key_setsadblft(SADB_EXT_LIFETIME_HARD, 10);
key_setsadblft(SADB_EXT_LIFETIME_SOFT, 5);
key_setsadbaddr(SADB_EXT_ADDRESS_SRC, AF_INET, "192.168.1.1");
key_setsadbaddr(SADB_EXT_ADDRESS_DST, AF_INET, "10.0.3.4");
/* XXX key_setsadbkey(SADB_EXT_KEY_AUTH, "abcde"); */
key_setsadbkey(SADB_EXT_KEY_AUTH, "1234567812345678");
key_setsadbkey(SADB_EXT_KEY_ENCRYPT, "12345678");
key_setsadbid(SADB_EXT_IDENTITY_SRC, "hoge1234@hoge.com");
key_setsadbid(SADB_EXT_IDENTITY_DST, "hage5678@hage.net");
key_setsadbsens();
/* <base, SA, (lifetime(HSC),) address(SD), (address(P),)
(identity(SD),) (sensitivity)> */
break;
case SADB_DELETE:
/* <base, SA(*), address(SDP)> */
key_setsadbsa();
key_setsadbaddr(SADB_EXT_ADDRESS_SRC, AF_INET, "192.168.1.1");
key_setsadbaddr(SADB_EXT_ADDRESS_DST, AF_INET, "10.0.3.4");
key_setsadbaddr(SADB_EXT_ADDRESS_PROXY, AF_INET6, "3ffe::1");
/* <base, SA(*), address(SDP)> */
break;
case SADB_GET:
/* <base, SA(*), address(SDP)> */
key_setsadbsa();
key_setsadbaddr(SADB_EXT_ADDRESS_SRC, AF_INET, "192.168.1.1");
key_setsadbaddr(SADB_EXT_ADDRESS_DST, AF_INET, "10.0.3.4");
key_setsadbaddr(SADB_EXT_ADDRESS_PROXY, AF_INET6, "3ffe::1");
/* <base, SA, (lifetime(HSC),) address(SD), (address(P),)
key(AE), (identity(SD),) (sensitivity)> */
break;
case SADB_ACQUIRE:
/* <base, address(SD), (address(P),) (identity(SD),)
(sensitivity,) proposal> */
key_setsadbaddr(SADB_EXT_ADDRESS_SRC, AF_INET, "192.168.1.1");
key_setsadbaddr(SADB_EXT_ADDRESS_DST, AF_INET, "10.0.3.4");
key_setsadbaddr(SADB_EXT_ADDRESS_PROXY, AF_INET6, "3ffe::1");
key_setsadbid(SADB_EXT_IDENTITY_SRC, "hoge1234@hoge.com");
key_setsadbid(SADB_EXT_IDENTITY_DST, "hage5678@hage.net");
key_setsadbsens();
key_setsadbprop();
/* <base, address(SD), (address(P),) (identity(SD),)
(sensitivity,) proposal> */
break;
case SADB_REGISTER:
/* <base> */
/* <base, supported> */
break;
case SADB_EXPIRE:
case SADB_FLUSH:
break;
case SADB_DUMP:
break;
case SADB_X_PROMISC:
/* <base> */
/* <base, base(, others)> */
break;
case SADB_X_PCHANGE:
break;
/* for SPD management */
case SADB_X_SPDFLUSH:
case SADB_X_SPDDUMP:
break;
case SADB_X_SPDADD:
#if 0
{
struct sadb_x_policy m_policy;
m_policy.sadb_x_policy_len = PFKEY_UNIT64(sizeof(m_policy));
m_policy.sadb_x_policy_exttype = SADB_X_EXT_POLICY;
m_policy.sadb_x_policy_type = SADB_X_PL_IPSEC;
m_policy.sadb_x_policy_esp_trans = 1;
m_policy.sadb_x_policy_ah_trans = 2;
m_policy.sadb_x_policy_esp_network = 3;
m_policy.sadb_x_policy_ah_network = 4;
m_policy.sadb_x_policy_reserved = 0;
memcpy(m_buf + m_len, &m_policy, sizeof(struct sadb_x_policy));
m_len += sizeof(struct sadb_x_policy);
}
#endif
case SADB_X_SPDDELETE:
key_setsadbaddr(SADB_EXT_ADDRESS_SRC, AF_INET, "192.168.1.1");
key_setsadbaddr(SADB_EXT_ADDRESS_DST, AF_INET, "10.0.3.4");
break;
}
((struct sadb_msg *)m_buf)->sadb_msg_len = PFKEY_UNIT64(m_len);
return;
}
void
key_setsadbsens()
{
struct sadb_sens m_sens;
u_char buf[64];
u_int s, i, slen, ilen, len;
/* make sens & integ */
s = htonl(0x01234567);
i = htonl(0x89abcdef);
slen = sizeof(s);
ilen = sizeof(i);
memcpy(buf, &s, slen);
memcpy(buf + slen, &i, ilen);
len = sizeof(m_sens) + PFKEY_ALIGN8(slen) + PFKEY_ALIGN8(ilen);
m_sens.sadb_sens_len = PFKEY_UNIT64(len);
m_sens.sadb_sens_exttype = SADB_EXT_SENSITIVITY;
m_sens.sadb_sens_dpd = 1;
m_sens.sadb_sens_sens_level = 2;
m_sens.sadb_sens_sens_len = PFKEY_ALIGN8(slen);
m_sens.sadb_sens_integ_level = 3;
m_sens.sadb_sens_integ_len = PFKEY_ALIGN8(ilen);
m_sens.sadb_sens_reserved = 0;
key_setsadbextbuf(m_buf, m_len,
(caddr_t)&m_sens, sizeof(struct sadb_sens),
buf, slen + ilen);
m_len += len;
return;
}
void
key_setsadbprop()
{
struct sadb_prop m_prop;
struct sadb_comb *m_comb;
u_char buf[256];
u_int len = sizeof(m_prop) + sizeof(m_comb) * 2;
/* make prop & comb */
m_prop.sadb_prop_len = PFKEY_UNIT64(len);
m_prop.sadb_prop_exttype = SADB_EXT_PROPOSAL;
m_prop.sadb_prop_replay = 0;
m_prop.sadb_prop_reserved[0] = 0;
m_prop.sadb_prop_reserved[1] = 0;
m_prop.sadb_prop_reserved[2] = 0;
/* the 1st is ESP DES-CBC HMAC-MD5 */
m_comb = (struct sadb_comb *)buf;
m_comb->sadb_comb_auth = SADB_AALG_MD5HMAC;
m_comb->sadb_comb_encrypt = SADB_EALG_DESCBC;
m_comb->sadb_comb_flags = 0;
m_comb->sadb_comb_auth_minbits = 8;
m_comb->sadb_comb_auth_maxbits = 96;
m_comb->sadb_comb_encrypt_minbits = 64;
m_comb->sadb_comb_encrypt_maxbits = 64;
m_comb->sadb_comb_reserved = 0;
m_comb->sadb_comb_soft_allocations = 0;
m_comb->sadb_comb_hard_allocations = 0;
m_comb->sadb_comb_soft_bytes = 0;
m_comb->sadb_comb_hard_bytes = 0;
m_comb->sadb_comb_soft_addtime = 0;
m_comb->sadb_comb_hard_addtime = 0;
m_comb->sadb_comb_soft_usetime = 0;
m_comb->sadb_comb_hard_usetime = 0;
/* the 2st is ESP 3DES-CBC and AH HMAC-SHA1 */
m_comb = (struct sadb_comb *)(buf + sizeof(*m_comb));
m_comb->sadb_comb_auth = SADB_AALG_SHA1HMAC;
m_comb->sadb_comb_encrypt = SADB_EALG_3DESCBC;
m_comb->sadb_comb_flags = 0;
m_comb->sadb_comb_auth_minbits = 8;
m_comb->sadb_comb_auth_maxbits = 96;
m_comb->sadb_comb_encrypt_minbits = 64;
m_comb->sadb_comb_encrypt_maxbits = 64;
m_comb->sadb_comb_reserved = 0;
m_comb->sadb_comb_soft_allocations = 0;
m_comb->sadb_comb_hard_allocations = 0;
m_comb->sadb_comb_soft_bytes = 0;
m_comb->sadb_comb_hard_bytes = 0;
m_comb->sadb_comb_soft_addtime = 0;
m_comb->sadb_comb_hard_addtime = 0;
m_comb->sadb_comb_soft_usetime = 0;
m_comb->sadb_comb_hard_usetime = 0;
key_setsadbextbuf(m_buf, m_len,
(caddr_t)&m_prop, sizeof(struct sadb_prop),
buf, sizeof(*m_comb) * 2);
m_len += len;
return;
}
void
key_setsadbid(ext, str)
u_int ext;
caddr_t str;
{
struct sadb_ident m_id;
u_int idlen = strlen(str), len;
len = sizeof(m_id) + PFKEY_ALIGN8(idlen);
m_id.sadb_ident_len = PFKEY_UNIT64(len);
m_id.sadb_ident_exttype = ext;
m_id.sadb_ident_type = SADB_IDENTTYPE_USERFQDN;
m_id.sadb_ident_reserved = 0;
m_id.sadb_ident_id = getpid();
key_setsadbextbuf(m_buf, m_len,
(caddr_t)&m_id, sizeof(struct sadb_ident),
str, idlen);
m_len += len;
return;
}
void
key_setsadblft(ext, time)
u_int ext, time;
{
struct sadb_lifetime m_lft;
m_lft.sadb_lifetime_len = PFKEY_UNIT64(sizeof(m_lft));
m_lft.sadb_lifetime_exttype = ext;
m_lft.sadb_lifetime_allocations = 0x2;
m_lft.sadb_lifetime_bytes = 0x1000;
m_lft.sadb_lifetime_addtime = time;
m_lft.sadb_lifetime_usetime = 0x0020;
memcpy(m_buf + m_len, &m_lft, sizeof(struct sadb_lifetime));
m_len += sizeof(struct sadb_lifetime);
return;
}
void
key_setspirange()
{
struct sadb_spirange m_spi;
m_spi.sadb_spirange_len = PFKEY_UNIT64(sizeof(m_spi));
m_spi.sadb_spirange_exttype = SADB_EXT_SPIRANGE;
m_spi.sadb_spirange_min = 0x00001000;
m_spi.sadb_spirange_max = 0x00002000;
m_spi.sadb_spirange_reserved = 0;
memcpy(m_buf + m_len, &m_spi, sizeof(struct sadb_spirange));
m_len += sizeof(struct sadb_spirange);
return;
}
void
key_setsadbkey(ext, str)
u_int ext;
caddr_t str;
{
struct sadb_key m_key;
u_int keylen = strlen(str);
u_int len;
len = sizeof(struct sadb_key) + PFKEY_ALIGN8(keylen);
m_key.sadb_key_len = PFKEY_UNIT64(len);
m_key.sadb_key_exttype = ext;
m_key.sadb_key_bits = keylen * 8;
m_key.sadb_key_reserved = 0;
key_setsadbextbuf(m_buf, m_len,
(caddr_t)&m_key, sizeof(struct sadb_key),
str, keylen);
m_len += len;
return;
}
void
key_setsadbsa()
{
struct sadb_sa m_sa;
m_sa.sadb_sa_len = PFKEY_UNIT64(sizeof(struct sadb_sa));
m_sa.sadb_sa_exttype = SADB_EXT_SA;
m_sa.sadb_sa_spi = htonl(0x12345678);
m_sa.sadb_sa_replay = 4;
m_sa.sadb_sa_state = 0;
m_sa.sadb_sa_auth = SADB_AALG_MD5HMAC;
m_sa.sadb_sa_encrypt = SADB_EALG_DESCBC;
m_sa.sadb_sa_flags = 0;
memcpy(m_buf + m_len, &m_sa, sizeof(struct sadb_sa));
m_len += sizeof(struct sadb_sa);
return;
}
void
key_setsadbaddr(ext, af, str)
u_int ext, af;
caddr_t str;
{
struct sadb_address m_addr;
u_int len;
struct addrinfo hints, *res;
const char *serv;
int plen;
switch (af) {
case AF_INET:
plen = sizeof(struct in_addr) << 3;
break;
case AF_INET6:
plen = sizeof(struct in6_addr) << 3;
break;
default:
/* XXX bark */
exit(1);
}
/* make sockaddr buffer */
memset(&hints, 0, sizeof(hints));
hints.ai_family = af;
hints.ai_socktype = SOCK_DGRAM; /*dummy*/
hints.ai_flags = AI_NUMERICHOST;
serv = (ext == SADB_EXT_ADDRESS_PROXY ? "0" : "4660"); /*0x1234*/
if (getaddrinfo(str, serv, &hints, &res) != 0 || res->ai_next) {
/* XXX bark */
exit(1);
}
len = sizeof(struct sadb_address) + PFKEY_ALIGN8(res->ai_addrlen);
m_addr.sadb_address_len = PFKEY_UNIT64(len);
m_addr.sadb_address_exttype = ext;
m_addr.sadb_address_proto =
(ext == SADB_EXT_ADDRESS_PROXY ? 0 : IPPROTO_TCP);
m_addr.sadb_address_prefixlen = plen;
m_addr.sadb_address_reserved = 0;
key_setsadbextbuf(m_buf, m_len,
(caddr_t)&m_addr, sizeof(struct sadb_address),
(caddr_t)res->ai_addr, res->ai_addrlen);
m_len += len;
freeaddrinfo(res);
return;
}
void
key_setsadbextbuf(dst, off, ebuf, elen, vbuf, vlen)
caddr_t dst, ebuf, vbuf;
int off, elen, vlen;
{
memset(dst + off, 0, elen + vlen);
memcpy(dst + off, (caddr_t)ebuf, elen);
memcpy(dst + off + elen, vbuf, vlen);
return;
}
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