101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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/* Portions of this file are Copyright (C) 2015-2018 Giacomo Tesio <giacomo@tesio.it>
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* See /doc/license/gpl-2.0.txt for details about the licensing.
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*/
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/* Portions of this file are Copyright (C) 9front's team.
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* See /doc/license/9front-mit for details about the licensing.
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* See http://git.9front.org/plan9front/plan9front/HEAD/info.html for a list of authors.
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*/
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#include "../dhcp.h"
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enum
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{
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Maxstr= 256,
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};
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typedef struct Binding Binding;
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struct Binding
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{
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Binding *next;
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uint8_t ip[IPaddrlen];
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char *boundto; /* id last bound to */
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char *offeredto; /* id we've offered this to */
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int32_t lease; /* absolute time at which binding expires */
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int32_t expoffer; /* absolute time at which offer times out */
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int32_t offer; /* lease offered */
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int32_t lasttouched; /* time this entry last assigned/unassigned */
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int32_t lastcomplained; /* last time we complained about a used but not leased */
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int32_t tried; /* last time we tried this entry */
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Qid q; /* qid at the last syncbinding */
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};
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typedef struct Info Info;
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struct Info
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{
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int indb; /* true if found in database */
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char domain[Maxstr]; /* system domain name */
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char bootf[Maxstr]; /* boot file */
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char bootf2[Maxstr]; /* alternative boot file */
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uint8_t tftp[NDB_IPlen]; /* ip addr of tftp server */
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uint8_t tftp2[NDB_IPlen]; /* ip addr of alternate server */
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uint8_t ipaddr[NDB_IPlen]; /* ip address of system */
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uint8_t ipmask[NDB_IPlen]; /* ip network mask */
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uint8_t ipnet[NDB_IPlen]; /* ip network address (ipaddr & ipmask) */
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uint8_t etheraddr[6]; /* ethernet address */
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uint8_t gwip[NDB_IPlen]; /* gateway ip address */
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uint8_t fsip[NDB_IPlen]; /* file system ip address */
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uint8_t auip[NDB_IPlen]; /* authentication server ip address */
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char rootpath[Maxstr]; /* rootfs for diskless nfs clients */
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char dhcpgroup[Maxstr];
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char vendor[Maxstr]; /* vendor info */
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};
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/* from dhcp.c */
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extern int validip(uint8_t*);
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extern void warning(int, char*, ...);
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extern int minlease;
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/* from db.c */
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extern char* tohex(char*, uint8_t*, int);
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extern char* toid(uint8_t*, int);
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extern void initbinding(uint8_t*, int);
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extern Binding* iptobinding(uint8_t*, int);
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extern Binding* idtobinding(char*, Info*, int);
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extern Binding* idtooffer(char*, Info*);
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extern int commitbinding(Binding*);
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extern int releasebinding(Binding*, char*);
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extern int samenet(uint8_t *ip, Info *iip);
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extern void mkoffer(Binding*, char*, int32_t);
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extern int syncbinding(Binding*, int);
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/* from ndb.c */
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extern int lookup(Bootp*, Info*, Info*);
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extern int lookupip(uint8_t*, Info*, int);
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extern void lookupname(char*, Ndbtuple*);
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extern Iplifc* findlifc(uint8_t*);
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extern int forme(uint8_t*);
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extern int lookupserver(char*, uint8_t**, Ndbtuple *t);
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extern Ndbtuple* lookupinfo(uint8_t *ipaddr, char **attr, int n);
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/* from icmp.c */
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extern int icmpecho(uint8_t*);
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extern char *binddir;
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extern int debug;
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extern char *blog;
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extern Ipifc *ipifcs;
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extern int32_t now;
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extern char *ndbfile;
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