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Added IP address manipulation macros, interface declarations and logging.
This commit is contained in:
Martin Mares
parent
481f69854a
commit
c40e05a0df
@ -14,4 +14,23 @@
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#define OFFSETOF(s, i) ((unsigned int)&((s *)0)->i)
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#define SKIP_BACK(s, i, p) ((s *)((char *)p - OFFSETOF(s, i)))
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/* Logging and dying */
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void log(char *msg, ...);
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void die(char *msg, ...);
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#define L_DEBUG "\001" /* Debugging messages */
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#define L_INFO "\002" /* Informational messages */
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#define L_WARN "\003" /* Warnings */
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#define L_ERR "\004" /* Errors */
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#define L_AUTH "\005" /* Authorization failed etc. */
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/* Debugging */
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#ifdef LOCAL_DEBUG
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#define DBG(x, y...) log(L_DEBUG x, ##y)
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#else
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#define DBG(x, y...)
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#endif
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#endif
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18
lib/ip.h
Normal file
18
lib/ip.h
Normal file
@ -0,0 +1,18 @@
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/*
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* BIRD Internet Routing Daemon -- The Internet Protocol
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*
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* (c) 1998 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_IP_H_
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#define _BIRD_IP_H_
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#ifndef IPV6
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#include <lib/ipv4.h>
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#else
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#include <lib/ipv6.h>
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#endif
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#endif
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35
lib/ipv4.h
Normal file
35
lib/ipv4.h
Normal file
@ -0,0 +1,35 @@
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/*
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* BIRD -- IP Addresses et Cetera for IPv4
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*
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* (c) 1998 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_IPV4_H_
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#define _BIRD_IPV4_H_
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#include <netinet/in.h>
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typedef struct ipv4_addr {
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u32 addr;
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} ip_addr;
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#define _I(x) (x).addr
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#define _MI(x) ((struct ip_addr) { x })
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#define IPA_NONE(_MI(0))
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#define ipa_equal(x,y) (_I(x) == _I(y))
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#define ipa_and(x,y) _MI(_I(x) & _I(y))
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#define ipa_or(x,y) _MI(_I(x) | _I(y))
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#define ipa_not(x) _MI(~_I(x))
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#define ipa_mkmask(x) _MI(ipv4_mkmask(x))
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#define ipa_mklen(x) ipv4_mklen(_I(x))
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unsigned ipv4_mklen(u32);
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u32 ipv4_mkmask(unsigned);
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/* ??? htonl and ntohl ??? */
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#endif
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44
lib/ipv6.h
Normal file
44
lib/ipv6.h
Normal file
@ -0,0 +1,44 @@
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/*
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* BIRD -- IP Addresses et Cetera for IPv6
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*
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* (c) 1998 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_IPV4_H_
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#define _BIRD_IPV4_H_
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#include <netinet/in.h>
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#include <string.h>
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typedef struct ipv4_addr {
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u32 addr[4];
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} ip_addr;
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#define _MI(a,b,c,d) ((struct ip_addr) { a, b, c, d })
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#define _I0(a) ((a).addr[0])
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#define _I1(a) ((a).addr[1])
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#define _I2(a) ((a).addr[2])
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#define _I3(a) ((a).addr[3])
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#define IPA_NONE _MI(0,0,0,0)
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#define ipa_equal(x,y) (!memcmp(&(x),&(y),sizeof(ip_addr)))
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#define ipa_and(a,b) _MI(_I0(a) & _I0(b), \
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_I1(a) & _I1(b), \
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_I2(a) & _I2(b), \
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_I3(a) & _I3(b))
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#define ipa_or(a,b) _MI(_I0(a) | _I0(b), \
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_I1(a) | _I1(b), \
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_I2(a) | _I2(b), \
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_I3(a) | _I3(b))
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#define ipa_not(a) _MI(~_I0(a),~_I1(a),~_I2(a),~_I3(a))
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#define ipa_mkmask(x) ipv6_mkmask(x)
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#define ipa_mklen(x) ipv6_mklen(x)
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ip_addr ipv6_mkmask(unsigned);
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unsigned ipv6_mklen(ip_addr);
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#endif
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@ -11,12 +11,7 @@
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#include <sysdep/config.h>
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#include <lib/birdlib.h>
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#ifndef IPV6
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#include <nest/ipv4.h>
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#else
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#include <nest/ipv6.h>
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#endif
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#include <lib/ip.h>
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extern u32 router_id; /* Our Router ID */
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extern u16 this_as; /* Our Autonomous System Number */
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26
nest/iface.h
26
nest/iface.h
@ -9,4 +9,30 @@
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#ifndef _BIRD_IFACE_H_
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#define _BIRD_IFACE_H_
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#include <lib/lists.h>
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struct iface {
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node n;
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char *name;
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unsigned flags;
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struct ifa *ifa; /* First address is primary */
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};
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#define IF_UP 1
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#define IF_MULTIACCESS 2
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#define IF_UNNUMBERED 4
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#define IF_BROADCAST 8
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#define IF_MULTICAST 16
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#define IF_TUNNEL 32
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/* Interface address */
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struct ifa {
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struct ifa *next;
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ip_addr ip; /* IP address of this host */
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ip_addr prefix; /* Network prefix */
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unsigned pxlen; /* Prefix length */
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ip_addr brd; /* Broadcast address */
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};
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#endif
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20
nest/ipv4.h
20
nest/ipv4.h
@ -1,20 +0,0 @@
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/*
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* BIRD -- IP Addresses et Cetera for IPv4
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*
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* (c) 1998 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_IPV4_H_
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#define _BIRD_IPV4_H_
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#include <netinet/in.h>
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typedef struct ipv4_addr {
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u32 addr;
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} ip_addr;
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#define ipa_equal(x,y) ((x).addr == (y).addr)
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#endif
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21
nest/ipv6.h
21
nest/ipv6.h
@ -1,21 +0,0 @@
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/*
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* BIRD -- IP Addresses et Cetera for IPv6
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*
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* (c) 1998 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_IPV4_H_
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#define _BIRD_IPV4_H_
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#include <netinet/in.h>
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#include <string.h>
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typedef struct ipv4_addr {
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u32 addr[4];
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} ip_addr;
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#define ipa_equal(x,y) (!memcmp(&(x),&(y),sizeof(ip_addr)))
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#endif
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