diff options
Diffstat (limited to 'keyexchange/isakmpd-20041012/sysdep/linux/sysdep.c')
| -rw-r--r-- | keyexchange/isakmpd-20041012/sysdep/linux/sysdep.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/keyexchange/isakmpd-20041012/sysdep/linux/sysdep.c b/keyexchange/isakmpd-20041012/sysdep/linux/sysdep.c deleted file mode 100644 index fc3b362..0000000 --- a/keyexchange/isakmpd-20041012/sysdep/linux/sysdep.c +++ /dev/null @@ -1,226 +0,0 @@ -/* $OpenBSD: sysdep.c,v 1.16 2004/08/10 15:59:10 ho Exp $ */ - -/* - * Copyright (c) 1998, 1999 Niklas Hallqvist. All rights reserved. - * Copyright (c) 2003 Thomas Walpuski. 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. - */ - -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <stdlib.h> -#include <string.h> - -#include "sysdep.h" - -#include "util.h" - -#ifdef NEED_SYSDEP_APP -#include "app.h" -#include "conf.h" -#include "ipsec.h" -#include <linux/pfkeyv2.h> -#include <linux/ipsec.h> - -#ifdef USE_PF_KEY_V2 -#include "pf_key_v2.h" -#define KEY_API(x) pf_key_v2_##x -#endif - -#endif /* NEED_SYSDEP_APP */ -#include "log.h" - -extern char *__progname; - -/* - * An as strong as possible random number generator, reverting to a - * deterministic pseudo-random one if regrand is set. - */ -u_int32_t -sysdep_random () -{ - return arc4random(); -} - -/* Return the basename of the command used to invoke us. */ -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); - default: - 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 -/* - * Prepare the application we negotiate SAs for (i.e. the IPsec stack) - * for communication. We return a file descriptor useable to select(2) on. - */ -int -sysdep_app_open () -{ - return KEY_API(open) (); -} - -/* - * When select(2) has noticed our application needs attendance, this is what - * gets called. FD is the file descriptor causing the alarm. - */ -void -sysdep_app_handler (int fd) -{ - KEY_API (handler) (fd); -} - -/* Check that the connection named NAME is active, or else make it active. */ -void -sysdep_connection_check (char *name) -{ - KEY_API (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 KEY_API (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; -} - -/* Force communication on socket FD to go in the clear. */ -int -sysdep_cleartext (int fd, int af) -{ - struct sadb_x_policy pol_in = { - SADB_UPDATE, - SADB_EXT_SENSITIVITY, - IPSEC_POLICY_BYPASS, - IPSEC_DIR_INBOUND, - 0, - 0, - 0 - }; - struct sadb_x_policy pol_out = { - SADB_UPDATE, - SADB_EXT_SENSITIVITY, - IPSEC_POLICY_BYPASS, - IPSEC_DIR_OUTBOUND, - 0, - 0, - 0 - }; - - if (app_none) - return 0; - - if (!(af == AF_INET || af == AF_INET6)) - { - log_print ("sysdep_cleartext: unsupported protocol family %d", af); - return -1; - } - - if (setsockopt (fd, af == AF_INET ? IPPROTO_IP : IPPROTO_IPV6, - af == AF_INET ? IP_IPSEC_POLICY : IPV6_IPSEC_POLICY, - &pol_in, sizeof pol_in) < 0 || - setsockopt (fd, af == AF_INET ? IPPROTO_IP : IPPROTO_IPV6, - af == AF_INET ? IP_IPSEC_POLICY : IPV6_IPSEC_POLICY, - &pol_out, sizeof pol_out) < 0) - { - log_error ("sysdep_cleartext: " - "setsockopt (%d, IPPROTO_IP%s, IP%s_IPSEC_POLICY, ...) " - "failed", fd, af == AF_INET ? "" : "V6", - af == AF_INET ? "" : "V6"); - return -1; - } - return 0; -} - -int -sysdep_ipsec_delete_spi (struct sa *sa, struct proto *proto, int incoming) -{ - if (app_none) - return 0; - return KEY_API (delete_spi) (sa, proto, incoming); -} - -int -sysdep_ipsec_enable_sa (struct sa *sa, struct sa *isakmp_sa) -{ - if (app_none) - return 0; - return KEY_API (enable_sa) (sa, isakmp_sa); -} - -int -sysdep_ipsec_group_spis (struct sa *sa, struct proto *proto1, - struct proto *proto2, int incoming) -{ - if (app_none) - return 0; - return KEY_API (group_spis) (sa, proto1, proto2, incoming); -} - -int -sysdep_ipsec_set_spi (struct sa *sa, struct proto *proto, int incoming, - struct sa *isakmp_sa) -{ - if (app_none) - return 0; - return KEY_API (set_spi) (sa, proto, incoming, isakmp_sa); -} -#endif |