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/*
* This software is Copyright 2011 by Sean Groarke <sgroarke@gmail.com>
* All rights reserved.
*
* This file is part of npd6.
*
* npd6 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* npd6 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 npd6. If not, see <http://www.gnu.org/licenses/>.
*/
/* $Id$
* $HeadURL$
*/
#ifndef NPD6_H
#define NPD6_H
#include "includes.h"
#ifndef NPD6_CONF
#define NPD6_CONF "/etc/npd6.conf"
#endif
#ifndef NPD6_LOG
#define NPD6_LOG "/var/log/npd6.log"
#endif
#ifndef NULL
#define NULL 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
// Misc bits and bobs
#define HWADDR_MAX 16
#define MAX_PKT_BUFF 1500
#define MAX_MSG_SIZE 2048
#define LOGTIMEFORMAT "%b %d %H:%M:%S"
#define INTERFACE_STRLEN 12
#define NULLSTR "null"
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define MAXMAXHOPS 255
#define HWADDR_MAX 16
#define DISPATCH_TIMEOUT 30000 // milliseconds 30000 = 30 sec
#define flog(pri, ...) npd6log(__FUNCTION__, pri, __VA_ARGS__)
#define LOG_DEBUG2 8
#define USE_FILE 1
#define USE_SYSLOG 2
#define USE_STD 3
#define MAXTARGETS 1000000 // Ultimate sane limit
#define LISTLOGGING (listLog==1?LOG_INFO:LOG_DEBUG)
#define NOMASK 9999
//*****************************************************************************
// Globals
//
extern char *pname;
extern char *paramName;
extern int sockpkt;
extern int debug;
extern int daemonize;
extern FILE *logFileFD;
extern int logging;
extern char configfile[FILENAME_MAX];
extern FILE *configFileFD;
extern int initialIFFlags;
// Record of interfaces, prefix, indices, etc.
struct npd6Interface {
char nameStr[INTERFACE_STRLEN];
unsigned int index;
char prefixStr[INET6_ADDRSTRLEN];
struct in6_addr prefix;
int prefixLen;
unsigned char linkAddr[6];
unsigned int multiStatus;
int pktSock;
int icmpSock;
};
extern unsigned int interfaceCount; // Total number of interface/prefix combos
// We dynaimcally size this at run-time
extern struct npd6Interface *interfaces;
// Key behaviour
extern int naLinkOptFlag; // From config file NPD6OPTFLAG
extern int nsIgnoreLocal; // From config file NPD6LOCALIG
extern int naRouter; // From config file NPD6ROUTERNA
extern int maxHops; // From config file NPD6MAXHOPS
extern int collectTargets; // From config file NPD6TARGETS
// Target tree data structures etc
extern void *tRoot;
int tCompare(const void *, const void *);
void tDump(const void *, const VISIT , const int);
extern int tEntries;
// Black/whitelisting data
extern void *lRoot;
extern int listType;
#define NOLIST 0
#define BLACKLIST 1
#define WHITELIST 2
extern int listLog; // From config file NPD6LISTLOG
// Logging - various
extern int ralog; // From config file NPD6RALOG
// Error handling
extern int pollErrorLimit; // From config file
//*****************************************************************************
// Prototypes
//
// main.c
void dispatcher(void);
void showUsage(void);
// config.c
int readConfig(char *);
// util.c
int npd6log(const char *, int , char *, ...);
void usersignal(int );
void print_addr(struct in6_addr *, char *);
void print_addr16(const struct in6_addr * , char * );
int build_addr(char *, struct in6_addr *);
int prefixset(char []);
void stripwhitespace(char *);
void dumpHex(unsigned char *, unsigned int);
int getLinkaddress( char *, unsigned char *);
void showVersion(void);
int openLog(char *);
void dropdead(void);
void dumpAddressData(void);
void storeTarget( struct in6_addr *);
int tCompare(const void *, const void *);
void tDump(const void *, const VISIT, const int);
void storeListEntry(struct in6_addr *);
// icmp6.c
int open_packet_socket(int);
int open_icmpv6_socket(void);
int get_rx(int, unsigned char *);
int get_rx_icmp6(int, unsigned char *, struct in6_addr *);
int if_allmulti(char *, unsigned int);
int init_sockets(void);
// ip6.c
void processNS(int, unsigned char *, unsigned int);
void processICMP(int, unsigned char *, unsigned int, struct in6_addr *);
int addr6match( struct in6_addr *, struct in6_addr *, int);
#endif
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