mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-12-22 01:31:55 +00:00
af582c4811
- ROA tables, which are used as a basic part for RPKI. - Commands for examining and modifying ROA tables. - Filter operators based on ROA tables consistent with RFC 6483.
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
|
|
* BIRD Internet Routing Daemon -- The Internet Protocol
|
|
*
|
|
* (c) 1998 Martin Mares <mj@ucw.cz>
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#ifndef _BIRD_IP_H_
|
|
#define _BIRD_IP_H_
|
|
|
|
#ifndef IPV6
|
|
#include "ipv4.h"
|
|
#else
|
|
#include "ipv6.h"
|
|
#endif
|
|
|
|
#define ipa_zero(x) (!ipa_nonzero(x))
|
|
#define ip_is_prefix(a,l) (!ipa_nonzero(ipa_and(a, ipa_not(ipa_mkmask(l)))))
|
|
#define ipa_in_net(x,n,p) (ipa_zero(ipa_and(ipa_xor((n),(x)),ipa_mkmask(p))))
|
|
#define net_in_net(n1,l1,n2,l2) (((l1) >= (l2)) && (ipa_zero(ipa_and(ipa_xor((n1),(n2)),ipa_mkmask(l2)))))
|
|
|
|
/*
|
|
* ip_classify() returns either a negative number for invalid addresses
|
|
* or scope OR'ed together with address type.
|
|
*/
|
|
|
|
#define IADDR_INVALID -1
|
|
#define IADDR_SCOPE_MASK 0xfff
|
|
#define IADDR_HOST 0x1000
|
|
#define IADDR_BROADCAST 0x2000
|
|
#define IADDR_MULTICAST 0x4000
|
|
|
|
/*
|
|
* Address scope
|
|
*/
|
|
|
|
#define SCOPE_HOST 0
|
|
#define SCOPE_LINK 1
|
|
#define SCOPE_SITE 2
|
|
#define SCOPE_ORGANIZATION 3
|
|
#define SCOPE_UNIVERSE 4
|
|
#define SCOPE_UNDEFINED 5
|
|
|
|
char *ip_scope_text(unsigned);
|
|
|
|
/*
|
|
* Network prefixes
|
|
*/
|
|
|
|
struct prefix {
|
|
ip_addr addr;
|
|
unsigned int len;
|
|
};
|
|
|
|
static inline int ipa_classify_net(ip_addr a)
|
|
{ return ipa_zero(a) ? (IADDR_HOST | SCOPE_UNIVERSE) : ipa_classify(a); }
|
|
|
|
/*
|
|
* Conversions between internal and string representation
|
|
*/
|
|
|
|
char *ip_ntop(ip_addr a, char *);
|
|
char *ip_ntox(ip_addr a, char *);
|
|
int ip_pton(char *a, ip_addr *o);
|
|
|
|
#endif
|