119 lines
4.5 KiB
C
Executable File
119 lines
4.5 KiB
C
Executable File
/*
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** Copyright (C) 2014-2016 Cisco and/or its affiliates. All rights reserved.
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** Copyright (C) 2007-2013 Sourcefire, Inc.
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License Version 2 as
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** published by the Free Software Foundation. You may not use, modify or
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** distribute this program under any other version of the GNU General
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** Public License.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef IPV6_PORT_H
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#define IPV6_PORT_H
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#include "snort_debug.h"
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/*****************/
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/* IPv6 and IPv4 */
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#include "sf_ip.h"
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#define IpAddrNode sfip_node_t
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#define IpAddrSet sfip_var_t
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#define IpAddrSetContains(x,y) sfvar_ip_in(x, y)
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#define IpAddrSetPrint sfvar_print
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#ifdef inet_ntoa
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#undef inet_ntoa
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#endif
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#define inet_ntoa sfip_ntoa
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#define GET_SRC_IP(p) ((p)->iph_api->iph_ret_src(p))
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#define GET_DST_IP(p) ((p)->iph_api->iph_ret_dst(p))
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#define GET_ORIG_SRC(p) ((p)->orig_ipv4h_api->orig_iph_ret_src(p))
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#define GET_ORIG_DST(p) ((p)->orig_ipv4h_api->orig_iph_ret_dst(p))
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/* These are here for backwards compatibility */
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#define GET_SRC_ADDR(x) GET_SRC_IP(x)
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#define GET_DST_ADDR(x) GET_DST_IP(x)
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#define IP_EQUALITY(x,y) (sfip_compare((x),(y)) == SFIP_EQUAL)
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#define IP_EQUALITY_UNSET(x,y) (sfip_compare_unset((x),(y)) == SFIP_EQUAL)
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#define IP_LESSER(x,y) (sfip_compare((x),(y)) == SFIP_LESSER)
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#define IP_GREATER(x,y) (sfip_compare((x),(y)) == SFIP_GREATER)
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#define IS_IP4(x) ((x)->family == AF_INET)
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#define IS_IP6(x) ((x)->family == AF_INET6)
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#define IS_OUTER_IP4(x) ((x)->outer_family == AF_INET)
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#define IS_OUTER_IP6(x) ((x)->outer_family == AF_INET6)
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#define GET_IPH_TOS(p) (p)->iph_api->iph_ret_tos(p)
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#define GET_IPH_LEN(p) (p)->iph_api->iph_ret_len(p)
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#define GET_IPH_TTL(p) (p)->iph_api->iph_ret_ttl(p)
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#define GET_IPH_ID(p) (p)->iph_api->iph_ret_id(p)
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#define GET_IPH_OFF(p) (p)->iph_api->iph_ret_off(p)
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#define GET_IPH_VER(p) (p)->iph_api->iph_ret_ver(p)
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#define GET_IPH_PROTO(p) ((uint8_t)(IS_IP6(p) ? ((p)->ip6h->next) : ((p)->iph_api->iph_ret_proto(p))))
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#define GET_ORIG_IPH_PROTO(p) (p)->orig_ipv4h_api->orig_iph_ret_proto(p)
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#define GET_ORIG_IPH_VER(p) (p)->orig_ipv4h_api->orig_iph_ret_ver(p)
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#define GET_ORIG_IPH_LEN(p) (p)->orig_ipv4h_api->orig_iph_ret_len(p)
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#define GET_ORIG_IPH_OFF(p) (p)->orig_ipv4h_api->orig_iph_ret_off(p)
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/* XXX make sure these aren't getting confused with sfip_is_valid within the code */
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#define IPH_IS_VALID(p) iph_is_valid(p)
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#define IP_CLEAR(x) (x).family = (x).ia32[0] = (x).ia32[1] = (x).ia32[2] = (x).ia32[3] = 0;
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#define IP_IS_SET(x) sfip_is_set(&x)
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/* This loop trickery is intentional. If each copy is performed
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* individually on each field, then the following expression gets broken:
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*
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* if(conditional) IP_COPY_VALUE(a,b);
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*
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* If the macro is instead enclosed in braces, then having a semicolon
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* trailing the macro causes compile breakage.
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* So: use loop. */
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#define IP_COPY_VALUE(dst, src) sfip_set_ip(&(dst), src)
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#define GET_IPH_HLEN(p) ((p)->iph_api->iph_ret_hlen(p))
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#define SET_IPH_HLEN(p, val)
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#define GET_IP_DGMLEN(p) IS_IP6(p) ? (ntohs(GET_IPH_LEN(p)) + (GET_IPH_HLEN(p) << 2)) : ntohs(GET_IPH_LEN(p))
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#define GET_IP_PAYLEN(p) IS_IP6(p) ? ntohs(GET_IPH_LEN(p)) : (ntohs(GET_IPH_LEN(p)) - (GET_IPH_HLEN(p) << 2))
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#define IP_ARG(ipt) (&ipt)
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#define IP_PTR(ipp) (ipp)
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#define IP_VAL(ipt) (*ipt)
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#define GET_INNER_SRC_IP(p) (IS_IP6(p) ? (&((p)->inner_ip6h.ip_addrs->ip_src)):(&((p)->inner_ip4h.ip_addrs->ip_src)))
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#define GET_INNER_DST_IP(p) (IS_IP6(p) ? (&((p)->inner_ip6h.ip_addrs->ip_dst)):(&((p)->inner_ip4h.ip_addrs->ip_dst)))
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#define GET_OUTER_SRC_IP(p) (IS_OUTER_IP6(p) ? (&((p)->outer_ip6h.ip_addrs->ip_src)):(&((p)->outer_ip4h.ip_addrs->ip_src)))
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#define GET_OUTER_DST_IP(p) (IS_OUTER_IP6(p) ? (&((p)->outer_ip6h.ip_addrs->ip_dst)):(&((p)->outer_ip4h.ip_addrs->ip_dst)))
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#if 0
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static inline int sfip_equal (sfaddr_t* ip1, sfaddr_t* ip2)
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{
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return _ip6_cmp(ip1, ip2) == SFIP_EQUAL;
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}
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#endif
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#if !defined(IPPROTO_IPIP) && defined(WIN32) /* Needed for some Win32 */
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#define IPPROTO_IPIP 4
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#endif
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#endif /* IPV6_PORT_H */
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