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/* possible verbs */
enum
{
/* commands */
Vadd,
Vremove,
Vunbind,
Vaddpref6,
Vra6,
/* media */
Vether,
Vgbe,
Vppp,
Vloopback,
Vtorus,
Vtree,
Vpkt,
};
typedef struct Conf Conf;
typedef struct Ctl Ctl;
struct Conf
{
/* locally generated */
char *type;
char *dev;
char mpoint[32];
int cfd; /* ifc control channel */
int rfd; /* iproute control channel */
char *cputype;
uchar hwa[32]; /* hardware address */
int hwatype;
int hwalen;
uchar cid[32];
int cidlen;
char *baud;
/* learned info */
uchar gaddr[IPaddrlen];
uchar laddr[IPaddrlen];
uchar mask[IPaddrlen];
uchar raddr[IPaddrlen];
uchar dns[8*IPaddrlen];
uchar fs[2*IPaddrlen];
uchar auth[2*IPaddrlen];
uchar ntp[2*IPaddrlen];
int mtu;
/* dhcp specific */
int state;
int fd;
ulong xid;
ulong starttime;
char sname[64];
char hostname[256];
char domainname[256];
char dnsdomain[256];
uchar server[IPaddrlen]; /* server IP address */
ulong offered; /* offered lease time */
ulong lease; /* lease time */
ulong resend; /* # of resends for current state */
ulong timeout; /* time to timeout - seconds */
/*
* IPv6
*/
/* router-advertisement related */
uchar sendra;
uchar recvra;
uchar mflag;
uchar oflag;
int maxraint; /* rfc2461, p.39: 4sec ≤ maxraint ≤ 1800sec, def 600 */
int minraint; /* 3sec ≤ minraint ≤ 0.75*maxraint */
int linkmtu;
int routerlt; /* router life time */
int reachtime; /* 3,600,000 msec, default 0 */
int rxmitra; /* default 0 */
int ttl; /* default 0 (unspecified) */
/* prefix related */
uchar lladdr[IPaddrlen];
uchar v6pref[IPaddrlen];
int prefixlen;
uchar onlink; /* flag: address is `on-link' */
uchar autoflag; /* flag: autonomous */
ulong validlt; /* valid lifetime (seconds) */
ulong preflt; /* preferred lifetime (seconds) */
};
struct Ctl
{
Ctl *next;
char *ctl;
};
extern Conf conf;
extern int myifc;
extern int noconfig;
extern int debug;
extern int dolog;
extern int plan9;
extern int Oflag;
extern int dupl_disc;
extern int nodhcpwatch;
extern int sendhostname;
extern char *ndboptions;
void usage(void);
int ip4cfg(void);
void ipunconfig(void);
void adddefroute(uchar*, uchar*, uchar*, uchar*);
void removedefroute(uchar*, uchar*, uchar*, uchar*);
int isether(void);
long jitter(void);
void catch(void*, char*);
int countaddrs(uchar *a, int len);
void addaddrs(uchar *to, int nto, uchar *from, int nfrom);
void addnames(char *d, char *s, int len);
int pnames(uchar*, int, char*);
int gnames(char*, int, uchar*, int);
Ndb* opendatabase(void);
void ndb2conf(Ndb *db, uchar *ip);
void putndb(void);
void refresh(void);
ulong randint(ulong low, ulong hi);
int validip(uchar*);
void warning(char *fmt, ...);
#define DEBUG if(debug)warning
#pragma varargck argpos warning 1
/*
* DHCP
*/
void dhcpinit(void);
void dhcpquery(int, int);
void dhcpwatch(int);
int addoption(char*);
/*
* IPv6
*/
void v6paraminit(Conf*);
void parse6pref(int argc, char **argv);
void parse6ra(int argc, char **argv);
void doipv6(int);
void ea2lla(uchar *lla, uchar *ea);
int findllip(uchar *ip, Ipifc *ifc);
int ip6cfg(void);
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