diff options
Diffstat (limited to 'keyexchange/isakmpd-20041012/sysdep/freeswan/sysdep.c')
| -rw-r--r-- | keyexchange/isakmpd-20041012/sysdep/freeswan/sysdep.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/keyexchange/isakmpd-20041012/sysdep/freeswan/sysdep.c b/keyexchange/isakmpd-20041012/sysdep/freeswan/sysdep.c new file mode 100644 index 0000000..9e99d7e --- /dev/null +++ b/keyexchange/isakmpd-20041012/sysdep/freeswan/sysdep.c @@ -0,0 +1,186 @@ +/* $OpenBSD: sysdep.c,v 1.3 2004/08/10 15:59:10 ho Exp $ */ + +/* + * Copyright (c) 1998, 1999 Niklas Hallqvist. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +/* + * This code was written under funding by Ericsson Radio Systems. + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/time.h> +#include <netinet/in.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#include <md5.h> +#include <unistd.h> + +#include "sysdep.h" + +#ifdef NEED_SYSDEP_APP +#include "app.h" +#include "conf.h" +#include "ipsec.h" +#include "klips.h" +#endif /* NEED_SYSDEP_APP */ +#include "log.h" +#include "sysdep.h" + +extern char *__progname; + +u_int32_t +sysdep_random () +{ + u_int32_t rndval; + u_char sig[16]; + MD5_CTX ctx; + int fd, i; + struct { + struct timeval tv; + u_int rnd[(128 - sizeof (struct timeval)) / sizeof (u_int)]; + } rdat; + + fd = open ("/dev/urandom", O_RDONLY); + if (fd != -1) + { + read (fd, rdat.rnd, sizeof(rdat.rnd)); + close (fd); + } + MD5Init (&ctx); + MD5Update (&ctx, (char *)&rdat, sizeof(rdat)); + MD5Final (sig, &ctx); + + rndval = 0; + for (i = 0; i < 4; i++) + { + u_int32_t *tmp = (u_int32_t *)&sig[i * 4]; + rndval ^= *tmp; + } + + return rndval; +} + +char * +sysdep_progname () +{ + return __progname; +} + +/* Return the length of the sockaddr struct. */ +u_int8_t +sysdep_sa_len (struct sockaddr *sa) +{ + switch (sa->sa_family) + { + case AF_INET: + return sizeof (struct sockaddr_in); + case AF_INET6: + return sizeof (struct sockaddr_in6); + } + log_print ("sysdep_sa_len: unknown sa family %d", sa->sa_family); + return sizeof (struct sockaddr_in); +} + +/* As regress/ use this file I protect the sysdep_app_* stuff like this. */ +#ifdef NEED_SYSDEP_APP +int +sysdep_app_open () +{ + return klips_open (); +} + +void +sysdep_app_handler (int fd) +{ +} + +/* Check that the connection named NAME is active, or else make it active. */ +void +sysdep_connection_check (char *name) +{ + klips_connection_check (name); +} + +/* + * Generate a SPI for protocol PROTO and the source/destination pair given by + * SRC, SRCLEN, DST & DSTLEN. Stash the SPI size in SZ. + */ +u_int8_t * +sysdep_ipsec_get_spi (size_t *sz, u_int8_t proto, struct sockaddr *src, + struct sockaddr *dst, u_int32_t seq) +{ + if (app_none) + { + *sz = IPSEC_SPI_SIZE; + /* XXX should be random instead I think. */ + return strdup ("\x12\x34\x56\x78"); + } + + return klips_get_spi (sz, proto, src, dst, seq); +} + +struct sa_kinfo * +sysdep_ipsec_get_kernel_sa(u_int8_t *spi, size_t spi_sz, u_int8_t proto, + struct sockaddr *dst) +{ + if (app_none) + return 0; + /* XXX return KEY_API(get_kernel_sa)(spi, spi_sz, proto, dst); */ + return 0; +} + +int +sysdep_cleartext (int fd, int af) +{ + return 0; +} + +int +sysdep_ipsec_delete_spi (struct sa *sa, struct proto *proto, int incoming) +{ + return klips_delete_spi (sa, proto, incoming); +} + +int +sysdep_ipsec_enable_sa (struct sa *sa, struct sa *isakmp_sa) +{ + return klips_enable_sa (sa, isakmp_sa); +} + +int +sysdep_ipsec_group_spis (struct sa *sa, struct proto *proto1, + struct proto *proto2, int incoming) +{ + return klips_group_spis (sa, proto1, proto2, incoming); +} + +int +sysdep_ipsec_set_spi (struct sa *sa, struct proto *proto, int incoming, + struct sa *isakmp_sa) +{ + return klips_set_spi (sa, proto, incoming, isakmp_sa); +} +#endif |