diff options
Diffstat (limited to 'openvpn/mroute.h')
| -rw-r--r-- | openvpn/mroute.h | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/openvpn/mroute.h b/openvpn/mroute.h deleted file mode 100644 index 87e952c..0000000 --- a/openvpn/mroute.h +++ /dev/null @@ -1,165 +0,0 @@ -/* - * OpenVPN -- An application to securely tunnel IP networks - * over a single TCP/UDP port, with support for SSL/TLS-based - * session authentication and key exchange, - * packet encryption, packet authentication, and - * packet compression. - * - * Copyright (C) 2002-2005 OpenVPN Solutions LLC <info@openvpn.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef MROUTE_H -#define MROUTE_H - -#if P2MP_SERVER - -#include "buffer.h" -#include "list.h" -#include "route.h" - -#define IP_MCAST_SUBNET_MASK ((in_addr_t)240<<24) -#define IP_MCAST_NETWORK ((in_addr_t)224<<24) - -/* Return status values for mroute_extract_addr_from_packet */ -#define MROUTE_EXTRACT_SUCCEEDED (1<<1) -#define MROUTE_EXTRACT_BCAST (1<<2) -#define MROUTE_EXTRACT_MCAST (1<<3) -#define MROUTE_EXTRACT_IGMP (1<<4) - -/* - * Choose the largest address possible with - * any of our supported types, which is IPv6 - * with port number. - */ -#define MR_MAX_ADDR_LEN 20 - -/* - * Address Types - */ -#define MR_ADDR_NONE 0 -#define MR_ADDR_ETHER 1 -#define MR_ADDR_IPV4 2 -#define MR_ADDR_IPV6 3 -#define MR_ADDR_MASK 3 - -/* Address type mask indicating that port # is part of address */ -#define MR_WITH_PORT 4 - -/* Address type mask indicating that netbits is part of address */ -#define MR_WITH_NETBITS 8 - -struct mroute_addr { - uint8_t len; /* length of address */ - uint8_t unused; - uint8_t type; /* MR_ADDR/MR_WITH flags */ - uint8_t netbits; /* number of bits in network part of address, - valid if MR_WITH_NETBITS is set */ - uint8_t addr[MR_MAX_ADDR_LEN]; /* actual address */ -}; - -/* - * Number of bits in an address. Should be raised for - * IPv6. - */ -#define MR_HELPER_NET_LEN 32 - -/* - * Used to help maintain CIDR routing table. - */ -struct mroute_helper { - /*MUTEX_DEFINE (mutex);*/ - unsigned int cache_generation; /* incremented when route added */ - int ageable_ttl_secs; /* host route cache entry time-to-live*/ - int n_net_len; /* length of net_len array */ - uint8_t net_len[MR_HELPER_NET_LEN]; /* CIDR netlengths in descending order */ - int net_len_refcount[MR_HELPER_NET_LEN]; /* refcount of each netlength */ -}; - -unsigned int mroute_extract_addr_from_packet (struct mroute_addr *src, - struct mroute_addr *dest, - struct buffer *buf, - int tunnel_type); - -bool mroute_extract_sockaddr_in (struct mroute_addr *addr, - const struct sockaddr_in *saddr, - bool use_port); - -bool mroute_learnable_address (const struct mroute_addr *addr); - -uint32_t mroute_addr_hash_function (const void *key, uint32_t iv); -bool mroute_addr_compare_function (const void *key1, const void *key2); - -void mroute_addr_init (struct mroute_addr *addr); - -const char *mroute_addr_print (const struct mroute_addr *ma, - struct gc_arena *gc); - -void mroute_addr_mask_host_bits (struct mroute_addr *ma); - -struct mroute_helper *mroute_helper_init (int ageable_ttl_secs); -void mroute_helper_free (struct mroute_helper *mh); -void mroute_helper_add_iroute (struct mroute_helper *mh, const struct iroute *ir); -void mroute_helper_del_iroute (struct mroute_helper *mh, const struct iroute *ir); - -static inline void -mroute_helper_lock (struct mroute_helper *mh) -{ - /*mutex_lock (&mh->mutex);*/ -} - -static inline void -mroute_helper_unlock (struct mroute_helper *mh) -{ - /*mutex_unlock (&mh->mutex);*/ -} - -static inline bool -mroute_addr_equal (const struct mroute_addr *a1, const struct mroute_addr *a2) -{ - if (a1->type != a2->type) - return false; - if (a1->netbits != a2->netbits) - return false; - if (a1->len != a2->len) - return false; - return memcmp (a1->addr, a2->addr, a1->len) == 0; -} - -static inline const uint8_t * -mroute_addr_hash_ptr (const struct mroute_addr *a) -{ - /* NOTE: depends on ordering of struct mroute_addr */ - return (uint8_t *) &a->type; -} - -static inline uint32_t -mroute_addr_hash_len (const struct mroute_addr *a) -{ - return (uint32_t) a->len + 2; -} - -static inline void -mroute_extract_in_addr_t (struct mroute_addr *dest, const in_addr_t src) -{ - dest->type = MR_ADDR_IPV4; - dest->netbits = 0; - dest->len = 4; - *(in_addr_t*)dest->addr = htonl (src); -} - -#endif /* P2MP_SERVER */ -#endif /* MROUTE_H */ |