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- The v6 BSD socket method was updated to use a single UDP BSD socket
[thirdparty/dhcp.git] / includes / dhcpd.h
CommitLineData
d7837182
TL		 1/* dhcpd.h
2
3 Definitions for dhcpd... */
4
5/*
dccb6edf 6 * Copyright (c) 2004-2008 by Internet Systems Consortium, Inc. ("ISC")
98311e4b 7 * Copyright (c) 1996-2003 by Internet Software Consortium
d7837182 8 *
98311e4b
DH		 9 * Permission to use, copy, modify, and distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
d7837182 12 *
98311e4b
DH		 13 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
19 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
d7837182 20 *
98311e4b
DH		 21 * Internet Systems Consortium, Inc.
22 * 950 Charter Street
23 * Redwood City, CA 94063
24 * <info@isc.org>
25 * http://www.isc.org/
49733f31 26 *
98311e4b 27 * This software has been written for Internet Systems Consortium
49733f31 28 * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
98311e4b 29 * To learn more about Internet Systems Consortium, see
49733f31
TL		 30 * ``http://www.isc.org/''. To learn more about Vixie Enterprises,
31 * see ``http://www.vix.com''. To learn more about Nominum, Inc., see
32 * ``http://www.nominum.com''.
d7837182
TL		 33 */
34
fe5b0fdd 35#include "config.h"
98bd7ca0 36
0c7802b1 37#ifndef __CYGWIN32__
d7837182 38#include <sys/types.h>
d7837182
TL		 39#include <netinet/in.h>
40#include <sys/socket.h>
5a526cf8 41#include <sys/un.h>
d7837182 42#include <arpa/inet.h>
972ab2aa 43
d7837182 44#include <netdb.h>
0c7802b1
TL		 45#else
46#define fd_set cygwin_fd_set
47#include <sys/types.h>
48#endif
d7837182
TL		 49#include <fcntl.h>
50#include <stdio.h>
089fb364 51#include <unistd.h>
8fdfeffe 52#include <string.h>
089fb364
TL		 53#include <stdlib.h>
54#include <sys/stat.h>
66eaae18 55#include <sys/mman.h>
089fb364 56#include <ctype.h>
97ca1699 57#include <time.h>
089fb364 58
fe5b0fdd 59#include <net/if.h>
b8c0eda0 60#undef FDDI
fe5b0fdd
DH		 61#include <net/route.h>
62#include <net/if_arp.h>
627ad6d6 63#if HAVE_NET_IF_DL_H
6dd7efa2
DH		 64# include <net/if_dl.h>
65#endif
fe5b0fdd
DH		 66
67#include <setjmp.h>
68
2f620dce 69#include "cdefs.h"
a8b53b42 70#include "osdep.h"
e55017af
TL		 71
72#include "arpa/nameser.h"
73#if defined (NSUPDATE)
c7315f8d 74# include "minires/minires.h"
e55017af
TL		 75#endif
76
98311e4b
DH		 77struct hash_table;
78typedef struct hash_table group_hash_t;
79typedef struct hash_table universe_hash_t;
f7fdb216
DH		 80typedef struct hash_table option_name_hash_t;
81typedef struct hash_table option_code_hash_t;
98311e4b 82typedef struct hash_table dns_zone_hash_t;
6708d944
DH		 83typedef struct hash_table lease_ip_hash_t;
84typedef struct hash_table lease_id_hash_t;
98311e4b
DH		 85typedef struct hash_table host_hash_t;
86typedef struct hash_table class_hash_t;
87
fe5b0fdd
DH		 88typedef time_t TIME;
89
90#ifndef EOL
91#define EOL '\n'
92#endif
93
d7837182 94#include "dhcp.h"
98bd7ca0 95#include "dhcp6.h"
2b9b6ff7 96#include "statement.h"
d7837182 97#include "tree.h"
089fb364 98#include "inet.h"
fde86d2d 99#include "dhctoken.h"
98bd7ca0 100#include "heap.h"
d7837182 101
d758ad8c 102#include <isc-dhcp/result.h>
400c0b19 103#include <omapip/omapip_p.h>
4fe74d72 104
f7fdb216 105#if !defined (BYTE_NAME_HASH_SIZE)
20ae1aff 106# define BYTE_NAME_HASH_SIZE 401 /* Default would be ridiculous. */
f7fdb216
DH		 107#endif
108#if !defined (BYTE_CODE_HASH_SIZE)
20ae1aff 109# define BYTE_CODE_HASH_SIZE 254 /* Default would be ridiculous. */
f7fdb216
DH		 110#endif
111
6708d944
DH		 112/* Although it is highly improbable that a 16-bit option space might
113 * actually use 2^16 actual defined options, it is the worst case
114 * scenario we must prepare for. Having 4 options per bucket in this
115 * case is pretty reasonable.
116 */
f7fdb216 117#if !defined (WORD_NAME_HASH_SIZE)
6708d944 118# define WORD_NAME_HASH_SIZE 20479
f7fdb216
DH		 119#endif
120#if !defined (WORD_CODE_HASH_SIZE)
6708d944 121# define WORD_CODE_HASH_SIZE 16384
f7fdb216
DH		 122#endif
123
6708d944 124/* Not only is it improbable that the 32-bit spaces might actually use 2^32
20ae1aff 125 * defined options, it is infeasible. It would be best for this kind of
6708d944
DH		 126 * space to be dynamically sized. Instead we size it at the word hash's
127 * level.
128 */
f7fdb216
DH		 129#if !defined (QUAD_NAME_HASH_SIZE)
130# define QUAD_NAME_HASH_SIZE WORD_NAME_HASH_SIZE
131#endif
132#if !defined (QUAD_CODE_HASH_SIZE)
133# define QUAD_CODE_HASH_SIZE WORD_CODE_HASH_SIZE
134#endif
135
136#if !defined (DNS_HASH_SIZE)
137# define DNS_HASH_SIZE 0 /* Default. */
138#endif
139
140/* Default size to use for name/code hashes on user-defined option spaces. */
141#if !defined (DEFAULT_SPACE_HASH_SIZE)
142# define DEFAULT_SPACE_HASH_SIZE 11
143#endif
144
145#if !defined (NWIP_HASH_SIZE)
6708d944 146# define NWIP_HASH_SIZE 17 /* A really small table. */
f7fdb216
DH		 147#endif
148
149#if !defined (FQDN_HASH_SIZE)
20ae1aff 150# define FQDN_HASH_SIZE 13 /* A ridiculously small table. */
f7fdb216
DH		 151#endif
152
6708d944
DH		 153/* I really doubt a given installation is going to have more than a few
154 * hundred vendors involved.
155 */
f7fdb216 156#if !defined (VIVCO_HASH_SIZE)
6708d944 157# define VIVCO_HASH_SIZE 127
f7fdb216
DH		 158#endif
159
160#if !defined (VIVSO_HASH_SIZE)
161# define VIVSO_HASH_SIZE VIVCO_HASH_SIZE
162#endif
163
98bd7ca0
DH		 164#if !defined (VSIO_HASH_SIZE)
165# define VSIO_HASH_SIZE VIVCO_HASH_SIZE
166#endif
167
f7fdb216
DH		 168#if !defined (VIV_ISC_HASH_SIZE)
169# define VIV_ISC_HASH_SIZE 3 /* An incredulously small table. */
170#endif
171
172#if !defined (UNIVERSE_HASH_SIZE)
6708d944 173# define UNIVERSE_HASH_SIZE 13 /* A really small table. */
f7fdb216
DH		 174#endif
175
176#if !defined (GROUP_HASH_SIZE)
177# define GROUP_HASH_SIZE 0 /* Default. */
178#endif
179
6708d944
DH		 180/* At least one person has indicated they use ~20k host records.
181 */
f7fdb216 182#if !defined (HOST_HASH_SIZE)
6708d944 183# define HOST_HASH_SIZE 22501
f7fdb216
DH		 184#endif
185
6708d944
DH		 186/* We have user reports of use of ISC DHCP numbering leases in the 200k's.
187 *
188 * We also have reports of folks using 10.0/8 as a dynamic range. The
189 * following is something of a compromise between the two. At the ~2-3
190 * hundred thousand leases, there's ~2-3 leases to search in each bucket.
191 */
f7fdb216 192#if !defined (LEASE_HASH_SIZE)
6708d944 193# define LEASE_HASH_SIZE 100003
f7fdb216
DH		 194#endif
195
6708d944
DH		 196/* It is not known what the worst case subclass hash size is. We estimate
197 * high, I think.
198 */
f7fdb216 199#if !defined (SCLASS_HASH_SIZE)
6708d944 200# define SCLASS_HASH_SIZE 12007
f7fdb216
DH		 201#endif
202
203#if !defined (AGENT_HASH_SIZE)
204# define AGENT_HASH_SIZE 11 /* A really small table. */
205#endif
206
6708d944
DH		 207/* The server hash size is used for both names and codes. There aren't
208 * many (roughly 50 at the moment), so we use a smaller table. If we
209 * use a 1:1 table size, then we get name collisions due to poor name
210 * hashing. So we use double the space we need, which drastically
211 * reduces collisions.
212 */
f7fdb216 213#if !defined (SERVER_HASH_SIZE)
6708d944 214# define SERVER_HASH_SIZE (2*(sizeof(server_options) / sizeof(struct option)))
f7fdb216
DH		 215#endif
216
217
6708d944 218/* How many options are likely to appear in a single packet? */
27fe61a7
TL		 219#if !defined (OPTION_HASH_SIZE)
220# define OPTION_HASH_SIZE 17
0dbb132f
TL		 221# define OPTION_HASH_PTWO 32 /* Next power of two above option hash. */
222# define OPTION_HASH_EXP 5 /* The exponent for that power of two. */
27fe61a7
TL		 223#endif
224
0dbb132f
TL		 225#define compute_option_hash(x) \
226 (((x) & (OPTION_HASH_PTWO - 1)) + \
227 (((x) >> OPTION_HASH_EXP) & \
228 (OPTION_HASH_PTWO - 1))) % OPTION_HASH_SIZE;
229
d758ad8c
TL		 230enum dhcp_shutdown_state {
231 shutdown_listeners,
232 shutdown_omapi_connections,
233 shutdown_drop_omapi_connections,
234 shutdown_dhcp,
235 shutdown_done
236};
237
35e0fdf8
TL		 238/* Client FQDN option, failover FQDN option, etc. */
239typedef struct {
240 u_int8_t codes [2];
241 unsigned length;
242 u_int8_t *data;
243} ddns_fqdn_t;
244
de1863a1 245#include "failover.h"
35e0fdf8 246
fde86d2d
TL		 247/* A parsing context. */
248
249struct parse {
250 int lexline;
251 int lexchar;
252 char *token_line;
253 char *prev_line;
254 char *cur_line;
b1b7b521 255 const char *tlname;
fde86d2d
TL		 256 int eol_token;
257
d19e816e
SK		 258 /*
259 * In order to give nice output when we have a parsing error
260 * in our file, we keep track of where we are in the line so
261 * that we can show the user.
262 *
263 * We need to keep track of two lines, because we can look
264 * ahead, via the "peek" function, to the next line sometimes.
265 *
266 * The "line1" and "line2" variables act as buffers for this
267 * information. The "lpos" variable tells us where we are in the
268 * line.
269 *
270 * When we "put back" a character from the parsing context, we
271 * do not want to have the character appear twice in the error
272 * output. So, we set a flag, the "ugflag", which the
273 * get_char() function uses to check for this condition.
274 */
fde86d2d
TL		 275 char line1 [81];
276 char line2 [81];
277 int lpos;
278 int line;
279 int tlpos;
280 int tline;
281 enum dhcp_token token;
282 int ugflag;
283 char *tval;
b3519f23 284 int tlen;
fde86d2d
TL		 285 char tokbuf [1500];
286
fde86d2d
TL		 287 int warnings_occurred;
288 int file;
289 char *inbuf;
66eaae18
SK		 290 size_t bufix, buflen;
291 size_t bufsiz;
bda33169
SK		 292
293 struct parse *saved_state;
fde86d2d
TL		 294};
295
74f45f96 296/* Variable-length array of data. */
74f45f96 297
6b3b97e1
TL		 298struct string_list {
299 struct string_list *next;
300 char string [1];
301};
302
0c7802b1
TL		 303/* A name server, from /etc/resolv.conf. */
304struct name_server {
305 struct name_server *next;
306 struct sockaddr_in addr;
307 TIME rcdate;
308};
309
310/* A domain search list element. */
311struct domain_search_list {
312 struct domain_search_list *next;
313 char *domain;
314 TIME rcdate;
315};
316
5142937c
TL		 317/* Option tag structures are used to build chains of option tags, for
318 when we're sure we're not going to have enough of them to justify
319 maintaining an array. */
320
321struct option_tag {
322 struct option_tag *next;
323 u_int8_t data [1];
324};
325
326/* An agent option structure. We need a special structure for the
327 Relay Agent Information option because if more than one appears in
c57db45c 328 a message, we have to keep them separate. */
5142937c
TL		 329
330struct agent_options {
331 struct agent_options *next;
332 int length;
333 struct option_tag *first;
334};
335
27fe61a7
TL		 336struct option_cache {
337 int refcnt;
338 struct option_cache *next;
339 struct expression *expression;
340 struct option *option;
341 struct data_string data;
88cd8aca
DH		 342
343 #define OPTION_HAD_NULLS 0x00000001
344 u_int32_t flags;
27fe61a7 345};
5142937c 346
27fe61a7 347struct option_state {
a340de95 348 int refcnt;
4f58da18 349 int universe_count;
53ac6c6f
TL		 350 int site_universe;
351 int site_code_min;
fe5b0fdd 352 void *universes [1];
5142937c
TL		 353};
354
d7837182
TL		 355/* A dhcp packet and the pointers to its option values. */
356struct packet {
357 struct dhcp_packet *raw;
f3e8ea32 358 int refcnt;
b1b7b521 359 unsigned packet_length;
d7837182 360 int packet_type;
98bd7ca0
DH		 361
362 unsigned char dhcpv6_msg_type; /* DHCPv6 message type */
363
364 /* DHCPv6 transaction ID */
365 unsigned char dhcpv6_transaction_id[3];
366
367 /* DHCPv6 relay information */
368 unsigned char dhcpv6_hop_count;
369 struct in6_addr dhcpv6_link_address;
370 struct in6_addr dhcpv6_peer_address;
371
372 /* DHCPv6 packet containing this one, or NULL if none */
373 struct packet *dhcpv6_container_packet;
374
d7837182 375 int options_valid;
089fb364
TL		 376 int client_port;
377 struct iaddr client_addr;
17b95f41
TL		 378 struct interface_info *interface; /* Interface on which packet
379 was received. */
380 struct hardware *haddr; /* Physical link address
381 of local sender (maybe gateway). */
c4763f5f
TL		 382
383 /* Information for relay agent options (see
384 draft-ietf-dhc-agent-options-xx.txt). */
385 u_int8_t *circuit_id; /* Circuit ID of client connection. */
386 int circuit_id_len;
387 u_int8_t *remote_id; /* Remote ID of client. */
388 int remote_id_len;
389
f67530be
TL		 390 int got_requested_address; /* True if client sent the
391 dhcp-requested-address option. */
392
c626ae69 393 struct shared_network *shared_network;
4f58da18 394 struct option_state *options;
102ee7e9
TL		 395
396#if !defined (PACKET_MAX_CLASSES)
397# define PACKET_MAX_CLASSES 5
398#endif
399 int class_count;
400 struct class *classes [PACKET_MAX_CLASSES];
734d2258
TL		 401
402 int known;
403 int authenticated;
9aa3f3a5
DH		 404
405 /* If we stash agent options onto the packet option state, to pretend
406 * options we got in a previous exchange were still there, we need
407 * to signal this in a reliable way.
408 */
409 isc_boolean_t agent_options_stashed;
98bd7ca0
DH		 410
411 /*
412 * ISC_TRUE if packet received unicast (as opposed to multicast).
413 * Only used in DHCPv6.
414 */
415 isc_boolean_t unicast;
d7837182
TL		 416};
417
5142937c
TL		 418/* A network interface's MAC address. */
419
d7837182 420struct hardware {
d7837182 421 u_int8_t hlen;
5b7f941d 422 u_int8_t hbuf [17];
d7837182
TL		 423};
424
d758ad8c
TL		 425typedef enum {
426 server_startup = 0,
427 server_running = 1,
428 server_shutdown = 2,
429 server_hibernate = 3,
430 server_awaken = 4
431} control_object_state_t;
432
433typedef struct {
434 OMAPI_OBJECT_PREAMBLE;
435 control_object_state_t state;
436} dhcp_control_object_t;
437
7ea8b207 438/* Lease states: */
98311e4b
DH		 439#define FTS_FREE 1
440#define FTS_ACTIVE 2
441#define FTS_EXPIRED 3
442#define FTS_RELEASED 4
443#define FTS_ABANDONED 5
444#define FTS_RESET 6
445#define FTS_BACKUP 7
98311e4b
DH		 446typedef u_int8_t binding_state_t;
447
448/* FTS_LAST is the highest value that is valid for a lease binding state. */
a55ccdd0 449#define FTS_LAST FTS_BACKUP
7ea8b207 450
d7837182
TL		 451/* A dhcp lease declaration structure. */
452struct lease {
4fe74d72 453 OMAPI_OBJECT_PREAMBLE;
d7837182 454 struct lease *next;
ab370123 455 struct lease *n_uid, *n_hw;
fc2df23a 456
089fb364 457 struct iaddr ip_addr;
6d103865 458 TIME starts, ends, sort_time;
0c7802b1 459 char *client_hostname;
6ceb9118 460 struct binding_scope *scope;
d7837182 461 struct host_decl *host;
c626ae69 462 struct subnet *subnet;
734d2258 463 struct pool *pool;
112a6c2c 464 struct class *billing_class;
625f7cee 465 struct option_chain_head *agent_options;
fc2df23a 466
79a65726
TL		 467 struct executable_statement *on_expiry;
468 struct executable_statement *on_commit;
469 struct executable_statement *on_release;
470
f3aad410
TL		 471 unsigned char *uid;
472 unsigned short uid_len;
473 unsigned short uid_max;
474 unsigned char uid_buf [7];
475 struct hardware hardware_addr;
476
477 u_int8_t flags;
c626ae69 478# define STATIC_LEASE 1
98311e4b 479# define BOOTP_LEASE 2
a55ccdd0 480# define RESERVED_LEASE 4
fc2df23a 481# define MS_NULL_TERMINATION 8
007e3ee4
TL		 482# define ON_UPDATE_QUEUE 16
483# define ON_ACK_QUEUE 32
4c7ffd58 484# define ON_QUEUE (ON_UPDATE_QUEUE | ON_ACK_QUEUE)
bca94423 485# define UNICAST_BROADCAST_HACK 64
98311e4b 486# define ON_DEFERRED_QUEUE 128
a55ccdd0
DH		 487
488/* Persistent flags are to be preserved on a given lease structure. */
489# define PERSISTENT_FLAGS (ON_ACK_QUEUE | ON_UPDATE_QUEUE)
490/* Ephemeral flags are to be preserved on a given lease (copied etc). */
bca94423 491# define EPHEMERAL_FLAGS (MS_NULL_TERMINATION | \
a55ccdd0
DH		 492 UNICAST_BROADCAST_HACK | \
493 RESERVED_LEASE | \
494 BOOTP_LEASE)
2aac4312 495
98311e4b
DH		 496 binding_state_t binding_state;
497 binding_state_t next_binding_state;
498 binding_state_t desired_binding_state;
007e3ee4 499
6e5ed8bf 500 struct lease_state *state;
5b7f941d 501
88cd8aca
DH		 502 /* 'tsfp' is more of an 'effective' tsfp. It may be calculated from
503 * stos+mclt for example if it's an expired lease and the server is
504 * in partner-down state. 'atsfp' is zeroed whenever a lease is
505 * updated - and only set when the peer acknowledges it. This
506 * ensures every state change is transmitted.
507 */
5b7f941d
TL		 508 TIME tstp; /* Time sent to partner. */
509 TIME tsfp; /* Time sent from partner. */
88cd8aca 510 TIME atsfp; /* Actual time sent from partner. */
5b7f941d 511 TIME cltt; /* Client last transaction time. */
a55ccdd0 512 u_int32_t last_xid; /* XID we sent in this lease's BNDUPD */
aa8579c0 513 struct lease *next_pending;
6e5ed8bf
TL		 514};
515
516struct lease_state {
517 struct lease_state *next;
518
519 struct interface_info *ip;
520
f3e8ea32
TL		 521 struct packet *packet; /* The incoming packet. */
522
6e5ed8bf
TL		 523 TIME offered_expiry;
524
4f58da18 525 struct option_state *options;
15151db6 526 struct data_string parameter_request_list;
5142937c 527 int max_message_size;
dcc557db 528 unsigned char expiry[4], renewal[4], rebind[4];
2b9b6ff7 529 struct data_string filename, server_name;
f67530be
TL		 530 int got_requested_address;
531 int got_server_identifier;
532 struct shared_network *shared_network; /* Shared network of interface
533 on which request arrived. */
fc2df23a
TL		 534
535 u_int32_t xid;
536 u_int16_t secs;
537 u_int16_t bootp_flags;
538 struct in_addr ciaddr;
c783f799 539 struct in_addr siaddr;
fc2df23a
TL		 540 struct in_addr giaddr;
541 u_int8_t hops;
542 u_int8_t offer;
27fe61a7 543 struct iaddr from;
c626ae69
TL		 544};
545
ab370123 546#define ROOT_GROUP 0
750d0800
TL		 547#define HOST_DECL 1
548#define SHARED_NET_DECL 2
549#define SUBNET_DECL 3
550#define CLASS_DECL 4
551#define GROUP_DECL 5
74f45f96 552#define POOL_DECL 6
ab370123 553
cc26de46
TL		 554/* Possible modes in which discover_interfaces can run. */
555
556#define DISCOVER_RUNNING 0
557#define DISCOVER_SERVER 1
558#define DISCOVER_UNCONFIGURED 2
f79e49f3 559#define DISCOVER_RELAY 3
5a526cf8 560#define DISCOVER_REQUESTED 4
cc26de46 561
98bd7ca0
DH		 562/* DDNS_UPDATE_STYLE enumerations. */
563#define DDNS_UPDATE_STYLE_NONE 0
564#define DDNS_UPDATE_STYLE_AD_HOC 1
565#define DDNS_UPDATE_STYLE_INTERIM 2
566
2b9b6ff7
TL		 567/* Server option names. */
568
569#define SV_DEFAULT_LEASE_TIME 1
570#define SV_MAX_LEASE_TIME 2
571#define SV_MIN_LEASE_TIME 3
572#define SV_BOOTP_LEASE_CUTOFF 4
573#define SV_BOOTP_LEASE_LENGTH 5
574#define SV_BOOT_UNKNOWN_CLIENTS 6
575#define SV_DYNAMIC_BOOTP 7
576#define SV_ALLOW_BOOTP 8
577#define SV_ALLOW_BOOTING 9
578#define SV_ONE_LEASE_PER_CLIENT 10
579#define SV_GET_LEASE_HOSTNAMES 11
580#define SV_USE_HOST_DECL_NAMES 12
581#define SV_USE_LEASE_ADDR_FOR_DEFAULT_ROUTE 13
582#define SV_MIN_SECS 14
583#define SV_FILENAME 15
584#define SV_SERVER_NAME 16
585#define SV_NEXT_SERVER 17
d1f2c520 586#define SV_AUTHORITATIVE 18
4f58da18 587#define SV_VENDOR_OPTION_SPACE 19
4b7f8736 588#define SV_ALWAYS_REPLY_RFC1048 20
53ac6c6f 589#define SV_SITE_OPTION_SPACE 21
f7b9d823 590#define SV_ALWAYS_BROADCAST 22
972ab2aa
TL		 591#define SV_DDNS_DOMAIN_NAME 23
592#define SV_DDNS_HOST_NAME 24
593#define SV_DDNS_REV_DOMAIN_NAME 25
94bf482e
TL		 594#define SV_LEASE_FILE_NAME 26
595#define SV_PID_FILE_NAME 27
4c026751
TL		 596#define SV_DUPLICATES 28
597#define SV_DECLINES 29
7f6ad5ac 598#define SV_DDNS_UPDATES 30
aa8579c0
TL		 599#define SV_OMAPI_PORT 31
600#define SV_LOCAL_PORT 32
601#define SV_LIMITED_BROADCAST_ADDRESS 33
602#define SV_REMOTE_PORT 34
603#define SV_LOCAL_ADDRESS 35
49146f3c 604#define SV_OMAPI_KEY 36
159bcce3 605#define SV_STASH_AGENT_OPTIONS 37
b992d7e2 606#define SV_DDNS_TTL 38
dbcc689e 607#define SV_DDNS_UPDATE_STYLE 39
afc0ca25
TL		 608#define SV_CLIENT_UPDATES 40
609#define SV_UPDATE_OPTIMIZATION 41
cc4473a0
TL		 610#define SV_PING_CHECKS 42
611#define SV_UPDATE_STATIC_LEASES 43
625f7cee 612#define SV_LOG_FACILITY 44
98311e4b 613#define SV_DO_FORWARD_UPDATES 45
a55ccdd0
DH		 614#define SV_PING_TIMEOUT 46
615#define SV_RESERVE_INFINITE 47
3004bebf 616#define SV_DDNS_CONFLICT_DETECT 48
6d103865 617#define SV_LEASEQUERY 49
b22de500 618#define SV_ADAPTIVE_LEASE_TIME_THRESHOLD 50
4d2eaafb 619#define SV_DO_REVERSE_UPDATES 51
1ba87b37 620#define SV_FQDN_REPLY 52
98bd7ca0 621#define SV_PREFER_LIFETIME 53
75135a3f
EH		 622#define SV_DHCPV6_LEASE_FILE_NAME 54
623#define SV_DHCPV6_PID_FILE_NAME 55
b024480e 624#define SV_LIMIT_ADDRS_PER_IA 56
80c9fdb0
FD		 625#define SV_LIMIT_PREFS_PER_IA 57
626#define SV_DELAYED_ACK 58
f8cbf390 627#define SV_MAX_ACK_DELAY 59
98311e4b
DH		 628
629#if !defined (DEFAULT_PING_TIMEOUT)
630# define DEFAULT_PING_TIMEOUT 1
631#endif
2b9b6ff7 632
6368a1bd
DH		 633#if !defined (DEFAULT_DELAYED_ACK)
634# define DEFAULT_DELAYED_ACK 28 /* default SO_SNDBUF size / 576 bytes */
635#endif
636
f8cbf390
DH		 637#if !defined (DEFAULT_ACK_DELAY_SECS)
638# define DEFAULT_ACK_DELAY_SECS 0
639#endif
640
641#if !defined (DEFAULT_ACK_DELAY_USECS)
642# define DEFAULT_ACK_DELAY_USECS 250000 /* 1/4 of a second */
643#endif
644
2b9b6ff7
TL		 645#if !defined (DEFAULT_DEFAULT_LEASE_TIME)
646# define DEFAULT_DEFAULT_LEASE_TIME 43200
647#endif
648
649#if !defined (DEFAULT_MIN_LEASE_TIME)
3a16098f 650# define DEFAULT_MIN_LEASE_TIME 300
2b9b6ff7
TL		 651#endif
652
653#if !defined (DEFAULT_MAX_LEASE_TIME)
654# define DEFAULT_MAX_LEASE_TIME 86400
655#endif
656
b992d7e2
DN		 657#if !defined (DEFAULT_DDNS_TTL)
658# define DEFAULT_DDNS_TTL 3600
659#endif
660
27fe61a7
TL		 661/* Client option names */
662
663#define CL_TIMEOUT 1
664#define CL_SELECT_INTERVAL 2
665#define CL_REBOOT_TIMEOUT 3
666#define CL_RETRY_INTERVAL 4
667#define CL_BACKOFF_CUTOFF 5
668#define CL_INITIAL_INTERVAL 6
669#define CL_BOOTP_POLICY 7
670#define CL_SCRIPT_NAME 8
671#define CL_REQUESTED_OPTIONS 9
672#define CL_REQUESTED_LEASE_TIME 10
673#define CL_SEND_OPTIONS 11
674#define CL_MEDIA 12
675#define CL_REJECT_LIST 13
676
677#ifndef CL_DEFAULT_TIMEOUT
678# define CL_DEFAULT_TIMEOUT 60
679#endif
680
681#ifndef CL_DEFAULT_SELECT_INTERVAL
682# define CL_DEFAULT_SELECT_INTERVAL 0
683#endif
684
685#ifndef CL_DEFAULT_REBOOT_TIMEOUT
686# define CL_DEFAULT_REBOOT_TIMEOUT 10
687#endif
688
689#ifndef CL_DEFAULT_RETRY_INTERVAL
690# define CL_DEFAULT_RETRY_INTERVAL 300
691#endif
692
693#ifndef CL_DEFAULT_BACKOFF_CUTOFF
694# define CL_DEFAULT_BACKOFF_CUTOFF 120
695#endif
696
697#ifndef CL_DEFAULT_INITIAL_INTERVAL
698# define CL_DEFAULT_INITIAL_INTERVAL 10
699#endif
700
701#ifndef CL_DEFAULT_BOOTP_POLICY
c5b0f529 702# define CL_DEFAULT_BOOTP_POLICY P_ACCEPT
27fe61a7
TL		 703#endif
704
27fe61a7
TL		 705#ifndef CL_DEFAULT_REQUESTED_OPTIONS
706# define CL_DEFAULT_REQUESTED_OPTIONS \
707 { DHO_SUBNET_MASK, \
708 DHO_BROADCAST_ADDRESS, \
709 DHO_TIME_OFFSET, \
710 DHO_ROUTERS, \
711 DHO_DOMAIN_NAME, \
712 DHO_DOMAIN_NAME_SERVERS, \
713 DHO_HOST_NAME }
714#endif
715
940ea8ab
TL		 716struct group_object {
717 OMAPI_OBJECT_PREAMBLE;
718
719 struct group_object *n_dynamic;
720 struct group *group;
721 char *name;
722 int flags;
723#define GROUP_OBJECT_DELETED 1
724#define GROUP_OBJECT_DYNAMIC 2
725#define GROUP_OBJECT_STATIC 4
726};
727
750d0800 728/* Group of declarations that share common parameters. */
ab370123
TL		 729struct group {
730 struct group *next;
731
20916cae 732 int refcnt;
940ea8ab 733 struct group_object *object;
ab370123
TL		 734 struct subnet *subnet;
735 struct shared_network *shared_network;
d1f2c520 736 int authoritative;
2b9b6ff7 737 struct executable_statement *statements;
ab370123
TL		 738};
739
740/* A dhcp host declaration structure. */
741struct host_decl {
4fe74d72 742 OMAPI_OBJECT_PREAMBLE;
ab370123 743 struct host_decl *n_ipaddr;
4fe74d72 744 struct host_decl *n_dynamic;
ab370123
TL		 745 char *name;
746 struct hardware interface;
2b9b6ff7 747 struct data_string client_identifier;
98bd7ca0
DH		 748 struct option *host_id_option;
749 struct data_string host_id;
750 /* XXXSK: fixed_addr should be an array of iaddr values,
751 not an option_cache, but it's referenced in a lot of
752 places, so we'll leave it for now. */
2b9b6ff7 753 struct option_cache *fixed_addr;
80c9fdb0 754 struct iaddrcidrnetlist *fixed_prefix;
ab370123 755 struct group *group;
940ea8ab 756 struct group_object *named_group;
74f45f96 757 struct data_string auth_key_id;
4fe74d72 758 int flags;
3c48d369
TL		 759#define HOST_DECL_DELETED 1
760#define HOST_DECL_DYNAMIC 2
940ea8ab 761#define HOST_DECL_STATIC 4
ab370123
TL		 762};
763
734d2258
TL		 764struct permit {
765 struct permit *next;
766 enum {
767 permit_unknown_clients,
768 permit_known_clients,
769 permit_authenticated_clients,
770 permit_unauthenticated_clients,
771 permit_all_clients,
772 permit_dynamic_bootp_clients,
b1d3778c
DH		 773 permit_class,
774 permit_after
734d2258
TL		 775 } type;
776 struct class *class;
b1d3778c 777 TIME after; /* date after which this clause applies */
734d2258
TL		 778};
779
780struct pool {
4fe74d72 781 OMAPI_OBJECT_PREAMBLE;
734d2258 782 struct pool *next;
74f45f96 783 struct group *group;
734d2258
TL		 784 struct shared_network *shared_network;
785 struct permit *permit_list;
786 struct permit *prohibit_list;
007e3ee4
TL		 787 struct lease *active;
788 struct lease *expired;
789 struct lease *free;
790 struct lease *backup;
791 struct lease *abandoned;
a55ccdd0 792 struct lease *reserved;
007e3ee4 793 TIME next_event_time;
5b7f941d 794 int lease_count;
007e3ee4
TL		 795 int free_leases;
796 int backup_leases;
d758ad8c 797 int index;
b1d3778c
DH		 798 TIME valid_from; /* deny pool use before this date */
799 TIME valid_until; /* deny pool use after this date */
800
7ea8b207 801#if defined (FAILOVER_PROTOCOL)
5b7f941d
TL		 802 dhcp_failover_state_t *failover_peer;
803#endif
d1f2c520 804};
d1f2c520 805
c626ae69 806struct shared_network {
4fe74d72 807 OMAPI_OBJECT_PREAMBLE;
c626ae69 808 struct shared_network *next;
20916cae 809 char *name;
7d6180be
DH		 810
811#define SHARED_IMPLICIT 1 /* This network was synthesized. */
812 int flags;
813
c626ae69
TL		 814 struct subnet *subnets;
815 struct interface_info *interface;
734d2258 816 struct pool *pools;
98bd7ca0
DH		 817 struct ipv6_pool **ipv6_pools; /* NULL-terminated array */
818 int last_ipv6_pool; /* offset of last IPv6 pool
819 used to issue a lease */
5b7f941d 820 struct group *group;
d1f2c520 821#if defined (FAILOVER_PROTOCOL)
5b7f941d 822 dhcp_failover_state_t *failover_peer;
d1f2c520 823#endif
d7837182
TL		 824};
825
826struct subnet {
4fe74d72 827 OMAPI_OBJECT_PREAMBLE;
c626ae69
TL		 828 struct subnet *next_subnet;
829 struct subnet *next_sibling;
830 struct shared_network *shared_network;
831 struct interface_info *interface;
832 struct iaddr interface_address;
089fb364
TL		 833 struct iaddr net;
834 struct iaddr netmask;
98bd7ca0 835 int prefix_len; /* XXX: currently for IPv6 only */
ab370123 836 struct group *group;
d7837182
TL		 837};
838
102ee7e9
TL		 839struct collection {
840 struct collection *next;
841
b1b7b521 842 const char *name;
102ee7e9
TL		 843 struct class *classes;
844};
845
06e77c34
DH		 846/* Used as an argument to parse_clasS_decl() */
847#define CLASS_TYPE_VENDOR 0
848#define CLASS_TYPE_USER 1
849#define CLASS_TYPE_CLASS 2
850#define CLASS_TYPE_SUBCLASS 3
851
112a6c2c 852/* XXX classes must be reference-counted. */
102ee7e9 853struct class {
4fe74d72 854 OMAPI_OBJECT_PREAMBLE;
a609e69b 855 struct class *nic; /* Next in collection. */
112a6c2c 856 struct class *superclass; /* Set for spawned classes only. */
a609e69b 857 char *name; /* Not set for spawned classes. */
734d2258
TL		 858
859 /* A class may be configured to permit a limited number of leases. */
860 int lease_limit;
112a6c2c
TL		 861 int leases_consumed;
862 struct lease **billed_leases;
863
864 /* If nonzero, class has not been saved since it was last
865 modified. */
866 int dirty;
ab370123 867
112a6c2c 868 /* Hash table containing subclasses. */
98311e4b 869 class_hash_t *hash;
112a6c2c
TL		 870 struct data_string hash_string;
871
872 /* Expression used to match class. */
2b9b6ff7 873 struct expression *expr;
112a6c2c
TL		 874
875 /* Expression used to compute subclass identifiers for spawning
58bfaaa7
TL		 876 and to do subclass matching. */
877 struct expression *submatch;
878 int spawning;
102ee7e9 879
ab370123 880 struct group *group;
2b9b6ff7
TL		 881
882 /* Statements to execute if class matches. */
883 struct executable_statement *statements;
899d754f
JB		 884
885#define CLASS_DECL_DELETED 1
886#define CLASS_DECL_DYNAMIC 2
887#define CLASS_DECL_STATIC 4
888#define CLASS_DECL_SUBCLASS 8
889
890 int flags;
709f15cc
TL		 891};
892
cc26de46
TL		 893/* DHCP client lease structure... */
894struct client_lease {
41fb155b
TL		 895 struct client_lease *next; /* Next lease in list. */
896 TIME expiry, renewal, rebind; /* Lease timeouts. */
897 struct iaddr address; /* Address being leased. */
898 char *server_name; /* Name of boot server. */
899 char *filename; /* Name of file we're supposed to boot. */
6b3b97e1 900 struct string_list *medium; /* Network medium. */
49146f3c 901 struct auth_key *key; /* Key used in basic DHCP authentication. */
cc26de46 902
0c7802b1 903 unsigned int is_static : 1; /* If set, lease is from config file. */
98311e4b 904 unsigned int is_bootp: 1; /* If set, lease was acquired with BOOTP. */
41fb155b 905
4f58da18 906 struct option_state *options; /* Options supplied with lease. */
cc26de46
TL		 907};
908
98bd7ca0
DH		 909/* DHCPv6 lease structures */
910struct dhc6_addr {
911 struct dhc6_addr *next;
912 struct iaddr address;
1d9774ab 913 u_int8_t plen;
98bd7ca0
DH		 914
915 /* Address state flags. */
916 #define DHC6_ADDR_DEPREFFED 0x01
917 #define DHC6_ADDR_EXPIRED 0x02
918 u_int8_t flags;
919
920 TIME starts;
921 u_int32_t preferred_life;
922 u_int32_t max_life;
923
924 struct option_state *options;
925};
926
927struct dhc6_ia {
928 struct dhc6_ia *next;
929 unsigned char iaid[4];
1d9774ab 930 u_int16_t ia_type;
98bd7ca0
DH		 931
932 TIME starts;
933 u_int32_t renew;
934 u_int32_t rebind;
935 struct dhc6_addr *addrs;
936
937 struct option_state *options;
938};
939
940struct dhc6_lease {
941 struct dhc6_lease *next;
942 struct data_string server_id;
943
cabdb9b1 944 isc_boolean_t released;
98bd7ca0
DH		 945 int score;
946 u_int8_t pref;
947
948 unsigned char dhcpv6_transaction_id[3];
949 struct dhc6_ia *bindings;
950
951 struct option_state *options;
952};
953
41fb155b 954/* Possible states in which the client can be. */
cc26de46 955enum dhcp_state {
159bcce3
TL		 956 S_REBOOTING = 1,
957 S_INIT = 2,
958 S_SELECTING = 3,
959 S_REQUESTING = 4,
960 S_BOUND = 5,
961 S_RENEWING = 6,
c1f22aef
TL		 962 S_REBINDING = 7,
963 S_STOPPED = 8
cc26de46
TL		 964};
965
08512bce
TL		 966/* Authentication and BOOTP policy possibilities (not all values work
967 for each). */
968enum policy { P_IGNORE, P_ACCEPT, P_PREFER, P_REQUIRE, P_DONT };
969
cc26de46
TL		 970/* Configuration information from the config file... */
971struct client_config {
27fe61a7
TL		 972 /*
973 * When a message has been received, run these statements
974 * over it.
975 */
112a6c2c 976 struct group *on_receipt;
27fe61a7
TL		 977
978 /*
979 * When a message is sent, run these statements.
980 */
112a6c2c 981 struct group *on_transmission;
27fe61a7 982
0c20eab3
DH		 983 struct option **required_options; /* Options that MUST be present. */
984 struct option **requested_options; /* Options to request (ORO/PRL). */
27fe61a7 985
cc26de46
TL		 986 TIME timeout; /* Start to panic if we don't get a
987 lease in this time period when
988 SELECTING. */
83c1b012
TL		 989 TIME initial_interval; /* All exponential backoff intervals
990 start here. */
cc26de46
TL		 991 TIME retry_interval; /* If the protocol failed to produce
992 an address before the timeout,
993 try the protocol again after this
994 many seconds. */
995 TIME select_interval; /* Wait this many seconds from the
996 first DHCPDISCOVER before
997 picking an offered lease. */
fc2df23a
TL		 998 TIME reboot_timeout; /* When in INIT-REBOOT, wait this
999 long before giving up and going
1000 to INIT. */
83c1b012
TL		 1001 TIME backoff_cutoff; /* When doing exponential backoff,
1002 never back off to an interval
1003 longer than this amount. */
27fe61a7
TL		 1004 u_int32_t requested_lease; /* Requested lease time, if user
1005 doesn't configure one. */
6b3b97e1 1006 struct string_list *media; /* Possible network media values. */
32a47563 1007 char *script_name; /* Name of config script. */
432604c3 1008 char *vendor_space_name; /* Name of config script. */
08512bce 1009 enum policy bootp_policy;
cc26de46
TL		 1010 /* Ignore, accept or prefer BOOTP
1011 responses. */
08512bce
TL		 1012 enum policy auth_policy;
1013 /* Require authentication, prefer
1014 authentication, or don't try to
1015 authenticate. */
6b3b97e1 1016 struct string_list *medium; /* Current network medium. */
0c7802b1 1017
febbd402 1018 struct iaddrmatchlist *reject_list; /* Servers to reject. */
27fe61a7 1019
626ca6a2
TL		 1020 int omapi_port; /* port on which to accept OMAPI
1021 connections, or -1 for no
1022 listener. */
98311e4b
DH		 1023 int do_forward_update; /* If nonzero, and if we have the
1024 information we need, update the
1025 A record for the address we get. */
cc26de46
TL		 1026};
1027
1028/* Per-interface state used in the dhcp client... */
98bd7ca0 1029/* XXX: consider union {}'ing this for v4/v6. */
cc26de46 1030struct client_state {
734d2258
TL		 1031 struct client_state *next;
1032 struct interface_info *interface;
1033 char *name;
1034
98bd7ca0
DH		 1035 /* Common values. */
1036 struct client_config *config; /* Client configuration. */
1037 struct string_list *env; /* Client script environment. */
1038 int envc; /* Number of entries in environment. */
1039 struct option_state *sent_options; /* Options we sent. */
1040 enum dhcp_state state; /* Current state for this interface. */
1041
1042
1043 /* DHCPv4 values. */
cc26de46
TL		 1044 struct client_lease *active; /* Currently active lease. */
1045 struct client_lease *new; /* New lease. */
1046 struct client_lease *offered_leases; /* Leases offered to us. */
1047 struct client_lease *leases; /* Leases we currently hold. */
f79e49f3 1048 struct client_lease *alias; /* Alias lease. */
cc26de46 1049
cc26de46
TL		 1050 struct iaddr destination; /* Where to send packet. */
1051 u_int32_t xid; /* Transaction ID. */
64826b61 1052 u_int16_t secs; /* secs value from DHCPDISCOVER. */
cc26de46 1053 TIME first_sending; /* When was first copy sent? */
6b3b97e1
TL		 1054 TIME interval; /* What's the current resend interval? */
1055 struct string_list *medium; /* Last media type tried. */
cc26de46 1056 struct dhcp_packet packet; /* Outgoing DHCP packet. */
b1b7b521 1057 unsigned packet_length; /* Actual length of generated packet. */
cc26de46 1058
41fb155b
TL		 1059 struct iaddr requested_address; /* Address we would like to get. */
1060
98bd7ca0
DH		 1061 /* DHCPv6 values. */
1062 unsigned char dhcpv6_transaction_id[3];
1063 u_int8_t refresh_type;
1064
1065 struct dhc6_lease *active_lease;
1066 struct dhc6_lease *old_lease;
1067 struct dhc6_lease *advertised_leases;
1068 struct dhc6_lease *selected_lease;
1069 struct dhc6_lease *held_leases;
1070
be62cf06 1071 struct timeval start_time;
98bd7ca0
DH		 1072 u_int16_t elapsed;
1073 int txcount;
1074
1075 /* See RFC3315 section 14. */
be62cf06
FD		 1076 TIME RT; /* In hundredths of seconds. */
1077 TIME IRT; /* In hundredths of seconds. */
1078 TIME MRC; /* Count. */
1079 TIME MRT; /* In hundredths of seconds. */
1080 TIME MRD; /* In seconds, relative. */
1081 TIME next_MRD; /* In seconds, absolute. */
98bd7ca0
DH		 1082
1083 /* Rather than a state, we use a function that shifts around
1084 * depending what stage of life the v6 state machine is in.
1085 * This is where incoming packets are dispatched to (sometimes
1086 * a no-op).
1087 */
1088 void (*v6_handler)(struct packet *, struct client_state *);
1089};
d758ad8c 1090
98bd7ca0
DH		 1091struct envadd_state {
1092 struct client_state *client;
1093 const char *prefix;
1094};
1095
1096struct dns_update_state {
1097 struct client_state *client;
1098 struct iaddr address;
1099 int dns_update_timeout;
cc26de46
TL		 1100};
1101
17b95f41
TL		 1102/* Information about each network interface. */
1103
1104struct interface_info {
4fe74d72 1105 OMAPI_OBJECT_PREAMBLE;
17b95f41 1106 struct interface_info *next; /* Next interface in list... */
c626ae69
TL		 1107 struct shared_network *shared_network;
1108 /* Networks connected to this interface. */
17b95f41 1109 struct hardware hw_address; /* Its physical address. */
98bd7ca0
DH		 1110 struct in_addr *addresses; /* Addresses associated with this
1111 * interface.
1112 */
1113 int address_count; /* Number of addresses stored. */
1114 int address_max; /* Size of addresses buffer. */
1115 struct in6_addr *v6addresses; /* IPv6 addresses associated with
1116 this interface. */
1117 int v6address_count; /* Number of IPv6 addresses associated
1118 with this interface. */
1119 int v6address_max; /* Maximum number of IPv6 addresses
1120 we can store in current buffer. */
c4763f5f
TL		 1121
1122 u_int8_t *circuit_id; /* Circuit ID associated with this
1123 interface. */
b1b7b521 1124 unsigned circuit_id_len; /* Length of Circuit ID, if there
c4763f5f
TL		 1125 is one. */
1126 u_int8_t *remote_id; /* Remote ID associated with this
1127 interface (if any). */
b1b7b521 1128 unsigned remote_id_len; /* Length of Remote ID. */
c4763f5f 1129
17b95f41 1130 char name [IFNAMSIZ]; /* Its name... */
ecddae64 1131 int index; /* Its if_nametoindex(). */
17b95f41
TL		 1132 int rfdesc; /* Its read file descriptor. */
1133 int wfdesc; /* Its write file descriptor, if
1134 different. */
1135 unsigned char *rbuf; /* Read buffer, if required. */
98311e4b 1136 unsigned int rbuf_max; /* Size of read buffer. */
17b95f41
TL		 1137 size_t rbuf_offset; /* Current offset into buffer. */
1138 size_t rbuf_len; /* Length of data in buffer. */
c626ae69 1139
41fb155b 1140 struct ifreq *ifp; /* Pointer to ifreq struct. */
98bd7ca0
DH		 1141 int configured; /* If set to 1, interface has at least
1142 * one valid IP address.
1143 */
7f91dcfb
TL		 1144 u_int32_t flags; /* Control flags... */
1145#define INTERFACE_REQUESTED 1
5a526cf8 1146#define INTERFACE_AUTOMATIC 2
347de8bd 1147#define INTERFACE_RUNNING 4
7de20a95
EH		 1148#define INTERFACE_DOWNSTREAM 8
1149#define INTERFACE_UPSTREAM 16
1150#define INTERFACE_STREAMS (INTERFACE_DOWNSTREAM | INTERFACE_UPSTREAM)
cc26de46
TL		 1151
1152 /* Only used by DHCP client code. */
1153 struct client_state *client;
3d2aa1bf
BC		 1154# if defined (USE_DLPI_SEND) || defined (USE_DLPI_RECEIVE)
1155 int dlpi_sap_length;
1156 struct hardware dlpi_broadcast_addr;
1157# endif /* DLPI_SEND || DLPI_RECEIVE */
17b95f41
TL		 1158};
1159
1160struct hardware_link {
1161 struct hardware_link *next;
1162 char name [IFNAMSIZ];
1163 struct hardware address;
1164};
1165
6368a1bd
DH		 1166struct leasequeue {
1167 struct leasequeue *prev;
1168 struct leasequeue *next;
1169 struct lease *lease;
1170};
1171
76d5bd36
TL		 1172typedef void (*tvref_t)(void *, void *, const char *, int);
1173typedef void (*tvunref_t)(void *, const char *, int);
cc26de46
TL		 1174struct timeout {
1175 struct timeout *next;
be62cf06 1176 struct timeval when;
6e5ed8bf
TL		 1177 void (*func) PROTO ((void *));
1178 void *what;
76d5bd36
TL		 1179 tvref_t ref;
1180 tvunref_t unref;
6e5ed8bf
TL		 1181};
1182
6368a1bd
DH		 1183struct eventqueue {
1184 struct eventqueue *next;
1185 void (*handler)(void *);
1186};
1187
6e5ed8bf
TL		 1188struct protocol {
1189 struct protocol *next;
1190 int fd;
1191 void (*handler) PROTO ((struct protocol *));
1192 void *local;
cc26de46
TL		 1193};
1194
94f08824
TL		 1195struct dns_query; /* forward */
1196
1197struct dns_wakeup {
1198 struct dns_wakeup *next; /* Next wakeup in chain. */
1199 void (*func) PROTO ((struct dns_query *));
1200};
1201
5142937c
TL		 1202struct dns_question {
1203 u_int16_t type; /* Type of query. */
1204 u_int16_t class; /* Class of query. */
1205 unsigned char data [1]; /* Query data. */
1206};
1207
1208struct dns_answer {
1209 u_int16_t type; /* Type of answer. */
1210 u_int16_t class; /* Class of answer. */
1211 int count; /* Number of answers. */
1212 unsigned char *answers[1]; /* Pointers to answers. */
1213};
1214
94f08824
TL		 1215struct dns_query {
1216 struct dns_query *next; /* Next query in hash bucket. */
5142937c 1217 u_int32_t hash; /* Hash bucket index. */
94f08824
TL		 1218 TIME expiry; /* Query expiry time (zero if not yet
1219 answered. */
1220 u_int16_t id; /* Query ID (also hash table index) */
1221 caddr_t waiters; /* Pointer to list of things waiting
1222 on this query. */
5142937c
TL		 1223
1224 struct dns_question *question; /* Question, internal format. */
1225 struct dns_answer *answer; /* Answer, internal format. */
1226
1227 unsigned char *query; /* Query formatted for DNS server. */
b1b7b521 1228 unsigned len; /* Length of entire query. */
94f08824
TL		 1229 int sent; /* The query has been sent. */
1230 struct dns_wakeup *wakeups; /* Wakeups to call if this query is
1231 answered. */
1232 struct name_server *next_server; /* Next server to try. */
1233 int backoff; /* Current backoff, in seconds. */
1234};
1235
3f09cb5a
TL		 1236struct dns_zone {
1237 int refcnt;
1238 TIME timeout;
1239 char *name;
1240 struct option_cache *primary;
1241 struct option_cache *secondary;
49146f3c 1242 struct auth_key *key;
3f09cb5a
TL		 1243};
1244
d758ad8c
TL		 1245struct icmp_state {
1246 OMAPI_OBJECT_PREAMBLE;
1247 int socket;
1248 void (*icmp_handler) PROTO ((struct iaddr, u_int8_t *, int));
1249};
1250
f3aad410
TL		 1251#include "ctrace.h"
1252
d7837182
TL		 1253/* Bitmask of dhcp option codes. */
1254typedef unsigned char option_mask [16];
1255
1256/* DHCP Option mask manipulation macros... */
1257#define OPTION_ZERO(mask) (memset (mask, 0, 16))
1258#define OPTION_SET(mask, bit) (mask [bit >> 8] |= (1 << (bit & 7)))
1259#define OPTION_CLR(mask, bit) (mask [bit >> 8] &= ~(1 << (bit & 7)))
1260#define OPTION_ISSET(mask, bit) (mask [bit >> 8] & (1 << (bit & 7)))
1261#define OPTION_ISCLR(mask, bit) (!OPTION_ISSET (mask, bit))
1262
1263/* An option occupies its length plus two header bytes (code and
1264 length) for every 255 bytes that must be stored. */
1265#define OPTION_SPACE(x) ((x) + 2 * ((x) / 255 + 1))
1266
1267/* Default path to dhcpd config file. */
d7837182 1268#ifdef DEBUG
80ba033e 1269#undef _PATH_DHCPD_CONF
d7837182 1270#define _PATH_DHCPD_CONF "dhcpd.conf"
80ba033e 1271#undef _PATH_DHCPD_DB
1358b874 1272#define _PATH_DHCPD_DB "dhcpd.leases"
75135a3f
EH		 1273#undef _PATH_DHCPD6_DB
1274#define _PATH_DHCPD6_DB "dhcpd6.leases"
98311e4b
DH		 1275#undef _PATH_DHCPD_PID
1276#define _PATH_DHCPD_PID "dhcpd.pid"
75135a3f
EH		 1277#undef _PATH_DHCPD6_PID
1278#define _PATH_DHCPD6_PID "dhcpd6.pid"
fe5b0fdd 1279#else /* !DEBUG */
75135a3f 1280
a8b53b42 1281#ifndef _PATH_DHCPD_CONF
d7837182 1282#define _PATH_DHCPD_CONF "/etc/dhcpd.conf"
fe5b0fdd 1283#endif /* DEBUG */
a8b53b42
TL		 1284
1285#ifndef _PATH_DHCPD_DB
fe5b0fdd 1286#define _PATH_DHCPD_DB LOCALSTATEDIR"/db/dhcpd.leases"
d7837182 1287#endif
a8b53b42 1288
75135a3f
EH		 1289#ifndef _PATH_DHCPD6_DB
1290#define _PATH_DHCPD6_DB LOCALSTATEDIR"/db/dhcpd6.leases"
1291#endif
1292
a8b53b42 1293#ifndef _PATH_DHCPD_PID
fe5b0fdd 1294#define _PATH_DHCPD_PID LOCALSTATEDIR"/run/dhcpd.pid"
a8b53b42 1295#endif
75135a3f
EH		 1296
1297#ifndef _PATH_DHCPD6_PID
1298#define _PATH_DHCPD6_PID LOCALSTATEDIR"/run/dhcpd6.pid"
d7837182
TL		 1299#endif
1300
75135a3f
EH		 1301#endif /* DEBUG */
1302
cc26de46
TL		 1303#ifndef _PATH_DHCLIENT_CONF
1304#define _PATH_DHCLIENT_CONF "/etc/dhclient.conf"
1305#endif
1306
e47988bf
TL		 1307#ifndef _PATH_DHCLIENT_SCRIPT
1308#define _PATH_DHCLIENT_SCRIPT "/sbin/dhclient-script"
1309#endif
1310
cc26de46 1311#ifndef _PATH_DHCLIENT_PID
fe5b0fdd 1312#define _PATH_DHCLIENT_PID LOCALSTATEDIR"/run/dhclient.pid"
cc26de46
TL		 1313#endif
1314
98bd7ca0 1315#ifndef _PATH_DHCLIENT6_PID
fe5b0fdd 1316#define _PATH_DHCLIENT6_PID LOCALSTATEDIR"/run/dhclient6.pid"
98bd7ca0
DH		 1317#endif
1318
cc26de46 1319#ifndef _PATH_DHCLIENT_DB
fe5b0fdd 1320#define _PATH_DHCLIENT_DB LOCALSTATEDIR"/db/dhclient.leases"
cc26de46
TL		 1321#endif
1322
98bd7ca0 1323#ifndef _PATH_DHCLIENT6_DB
fe5b0fdd 1324#define _PATH_DHCLIENT6_DB LOCALSTATEDIR"/db/dhclient6.leases"
98bd7ca0
DH		 1325#endif
1326
0c7802b1
TL		 1327#ifndef _PATH_RESOLV_CONF
1328#define _PATH_RESOLV_CONF "/etc/resolv.conf"
1329#endif
cc26de46 1330
8afb9ae0 1331#ifndef _PATH_DHCRELAY_PID
fe5b0fdd 1332#define _PATH_DHCRELAY_PID LOCALSTATEDIR"/run/dhcrelay.pid"
8afb9ae0
TL		 1333#endif
1334
7de20a95
EH		 1335#ifndef _PATH_DHCRELAY6_PID
1336#define _PATH_DHCRELAY6_PID LOCALSTATEDIR"/run/dhcrelay6.pid"
1337#endif
1338
ab370123
TL		 1339#ifndef DHCPD_LOG_FACILITY
1340#define DHCPD_LOG_FACILITY LOG_DAEMON
1341#endif
1342
d7837182
TL		 1343#define MAX_TIME 0x7fffffff
1344#define MIN_TIME 0
1345
d9b43370 1346 /* these are referenced */
9322442f 1347typedef struct hash_table ia_hash_t;
1d17db44 1348typedef struct hash_table iasubopt_hash_t;
98bd7ca0 1349
1d17db44 1350 /* IAADDR/IAPREFIX lease */
9322442f 1351
1d17db44 1352struct iasubopt {
98bd7ca0 1353 int refcnt; /* reference count */
9322442f
FD		 1354 struct in6_addr addr; /* IPv6 address/prefix */
1355 u_int8_t plen; /* iaprefix prefix length */
98bd7ca0
DH		 1356 binding_state_t state; /* state */
1357 struct binding_scope *scope; /* "set var = value;" */
5d89d60f
FD		 1358 time_t hard_lifetime_end_time; /* time address expires */
1359 time_t soft_lifetime_end_time; /* time ephemeral expires */
1acab09f
FD		 1360 u_int32_t prefer; /* cached preferred lifetime */
1361 u_int32_t valid; /* cached valid lifetime */
9322442f
FD		 1362 struct ia_xx *ia; /* IA for this lease */
1363 struct ipv6_pool *ipv6_pool; /* pool for this lease */
d9b43370 1364/*
5d89d60f 1365 * For now, just pick an arbitrary time to keep old hard leases
d9b43370
SK		 1366 * around (value in seconds).
1367 */
1368#define EXPIRED_IPV6_CLEANUP_TIME (60*60)
1369
98bd7ca0
DH		 1370 int heap_index; /* index into heap, or -1
1371 (internal use only) */
1372};
1373
9322442f 1374struct ia_xx {
98bd7ca0
DH		 1375 int refcnt; /* reference count */
1376 struct data_string iaid_duid; /* from the client */
9322442f 1377 u_int16_t ia_type; /* IA_XX */
1d17db44
FD		 1378 int num_iasubopt; /* number of IAADDR/PREFIX */
1379 int max_iasubopt; /* space available for IAADDR/PREFIX */
1acab09f 1380 time_t cltt; /* client last transaction time */
1d17db44 1381 struct iasubopt **iasubopt; /* pointers to the IAADDR/IAPREFIXs */
98bd7ca0
DH		 1382};
1383
9322442f
FD		 1384extern ia_hash_t *ia_na_active;
1385extern ia_hash_t *ia_ta_active;
1386extern ia_hash_t *ia_pd_active;
98bd7ca0
DH		 1387
1388struct ipv6_pool {
1389 int refcnt; /* reference count */
9322442f 1390 u_int16_t pool_type; /* IA_xx */
98bd7ca0
DH		 1391 struct in6_addr start_addr; /* first IPv6 address */
1392 int bits; /* number of bits, CIDR style */
9322442f 1393 int units; /* allocation unit in bits */
1d17db44
FD		 1394 iasubopt_hash_t *leases; /* non-free leases */
1395 int num_active; /* count of active leases */
98bd7ca0 1396 isc_heap_t *active_timeouts; /* timeouts for active leases */
1d17db44 1397 int num_inactive; /* count of inactive leases */
98bd7ca0
DH		 1398 isc_heap_t *inactive_timeouts; /* timeouts for expired or
1399 released leases */
1400 struct shared_network *shared_network; /* shared_network for
1401 this pool */
7d6180be 1402 struct subnet *subnet; /* subnet for this pool */
98bd7ca0
DH		 1403};
1404
1405extern struct ipv6_pool **pools;
1406extern int num_pools;
1407
d7837182
TL		 1408/* External definitions... */
1409
98311e4b
DH		 1410HASH_FUNCTIONS_DECL (group, const char *, struct group_object, group_hash_t)
1411HASH_FUNCTIONS_DECL (universe, const char *, struct universe, universe_hash_t)
f7fdb216
DH		 1412HASH_FUNCTIONS_DECL (option_name, const char *, struct option,
1413 option_name_hash_t)
1414HASH_FUNCTIONS_DECL (option_code, const unsigned *, struct option,
1415 option_code_hash_t)
98311e4b 1416HASH_FUNCTIONS_DECL (dns_zone, const char *, struct dns_zone, dns_zone_hash_t)
6708d944
DH		 1417HASH_FUNCTIONS_DECL(lease_ip, const unsigned char *, struct lease,
1418 lease_ip_hash_t)
1419HASH_FUNCTIONS_DECL(lease_id, const unsigned char *, struct lease,
1420 lease_id_hash_t)
98311e4b
DH		 1421HASH_FUNCTIONS_DECL (host, const unsigned char *, struct host_decl, host_hash_t)
1422HASH_FUNCTIONS_DECL (class, const char *, struct class, class_hash_t)
1423
d7837182
TL		 1424/* options.c */
1425
432604c3 1426extern struct option *vendor_cfg_option;
27fe61a7 1427int parse_options PROTO ((struct packet *));
6f56b7e2
TL		 1428int parse_option_buffer PROTO ((struct option_state *, const unsigned char *,
1429 unsigned, struct universe *));
1430struct universe *find_option_universe (struct option *, const char *);
432604c3 1431int parse_encapsulated_suboptions (struct option_state *, struct option *,
6f56b7e2
TL		 1432 const unsigned char *, unsigned,
1433 struct universe *, const char *);
da38df14 1434int cons_options PROTO ((struct packet *, struct dhcp_packet *, struct lease *,
159bcce3 1435 struct client_state *,
f3e8ea32 1436 int, struct option_state *, struct option_state *,
6ceb9118 1437 struct binding_scope **,
432604c3
TL		 1438 int, int, int, struct data_string *, const char *));
1439int fqdn_universe_decode (struct option_state *,
6f56b7e2 1440 const unsigned char *, unsigned, struct universe *);
98bd7ca0
DH		 1441struct option_cache *
1442lookup_fqdn6_option(struct universe *universe, struct option_state *options,
1443 unsigned code);
1444void
1445save_fqdn6_option(struct universe *universe, struct option_state *options,
bead14ea 1446 struct option_cache *oc, isc_boolean_t appendp);
98bd7ca0
DH		 1447void
1448delete_fqdn6_option(struct universe *universe, struct option_state *options,
1449 int code);
1450void
1451fqdn6_option_space_foreach(struct packet *packet, struct lease *lease,
1452 struct client_state *client_state,
1453 struct option_state *in_options,
1454 struct option_state *cfg_options,
1455 struct binding_scope **scope,
1456 struct universe *u, void *stuff,
1457 void (*func)(struct option_cache *,
1458 struct packet *,
1459 struct lease *,
1460 struct client_state *,
1461 struct option_state *,
1462 struct option_state *,
1463 struct binding_scope **,
1464 struct universe *, void *));
1465int
1466fqdn6_option_space_encapsulate(struct data_string *result,
1467 struct packet *packet, struct lease *lease,
1468 struct client_state *client_state,
1469 struct option_state *in_options,
1470 struct option_state *cfg_options,
1471 struct binding_scope **scope,
1472 struct universe *universe);
1473int
1474fqdn6_universe_decode(struct option_state *options,
1475 const unsigned char *buffer, unsigned length,
1476 struct universe *u);
1477int append_option(struct data_string *dst, struct universe *universe,
1478 struct option *option, struct data_string *src);
e2624b82
EH		 1479int
1480store_options(int *ocount,
1481 unsigned char *buffer, unsigned buflen, unsigned index,
1482 struct packet *packet, struct lease *lease,
1483 struct client_state *client_state,
1484 struct option_state *in_options,
1485 struct option_state *cfg_options,
1486 struct binding_scope **scope,
1487 unsigned *priority_list, int priority_len,
1488 unsigned first_cutoff, int second_cutoff, int terminate,
1489 const char *vuname);
98bd7ca0
DH		 1490int store_options6(char *, int, struct option_state *, struct packet *,
1491 const int *, struct data_string *);
88cd8aca
DH		 1492int format_has_text(const char *);
1493int format_min_length(const char *, struct option_cache *);
6f56b7e2 1494const char *pretty_print_option PROTO ((struct option *, const unsigned char *,
b1b7b521 1495 unsigned, int, int));
b543fea9
DH		 1496int pretty_escape(char **, char *, const unsigned char **,
1497 const unsigned char *);
432604c3 1498int get_option (struct data_string *, struct universe *,
159bcce3 1499 struct packet *, struct lease *, struct client_state *,
432604c3 1500 struct option_state *, struct option_state *,
d758ad8c
TL		 1501 struct option_state *, struct binding_scope **, unsigned,
1502 const char *, int);
432604c3
TL		 1503void set_option (struct universe *, struct option_state *,
1504 struct option_cache *, enum statement_op);
4f58da18 1505struct option_cache *lookup_option PROTO ((struct universe *,
b1b7b521 1506 struct option_state *, unsigned));
4f58da18 1507struct option_cache *lookup_hashed_option PROTO ((struct universe *,
b1b7b521
TL		 1508 struct option_state *,
1509 unsigned));
98bd7ca0
DH		 1510struct option_cache *next_hashed_option(struct universe *,
1511 struct option_state *,
1512 struct option_cache *);
432604c3
TL		 1513int save_option_buffer (struct universe *, struct option_state *,
1514 struct buffer *, unsigned char *, unsigned,
f7fdb216 1515 unsigned, int);
bead14ea
DH		 1516int append_option_buffer(struct universe *, struct option_state *,
1517 struct buffer *, unsigned char *, unsigned,
1518 unsigned, int);
98bd7ca0
DH		 1519void build_server_oro(struct data_string *, struct option_state *,
1520 const char *, int);
bead14ea
DH		 1521void save_option(struct universe *, struct option_state *,
1522 struct option_cache *);
1523void also_save_option(struct universe *, struct option_state *,
1524 struct option_cache *);
1525void save_hashed_option(struct universe *, struct option_state *,
1526 struct option_cache *, isc_boolean_t appendp);
4f58da18
TL		 1527void delete_option PROTO ((struct universe *, struct option_state *, int));
1528void delete_hashed_option PROTO ((struct universe *,
1529 struct option_state *, int));
4bd8800e
TL		 1530int option_cache_dereference PROTO ((struct option_cache **,
1531 const char *, int));
4f58da18 1532int hashed_option_state_dereference PROTO ((struct universe *,
0dbb132f
TL		 1533 struct option_state *,
1534 const char *, int));
4f58da18 1535int store_option PROTO ((struct data_string *,
f3e8ea32 1536 struct universe *, struct packet *, struct lease *,
159bcce3 1537 struct client_state *,
f3e8ea32 1538 struct option_state *, struct option_state *,
6ceb9118 1539 struct binding_scope **, struct option_cache *));
4f58da18 1540int option_space_encapsulate PROTO ((struct data_string *,
f3e8ea32 1541 struct packet *, struct lease *,
159bcce3 1542 struct client_state *,
f3e8ea32 1543 struct option_state *,
4f58da18 1544 struct option_state *,
6ceb9118 1545 struct binding_scope **,
4f58da18
TL		 1546 struct data_string *));
1547int hashed_option_space_encapsulate PROTO ((struct data_string *,
f3e8ea32 1548 struct packet *, struct lease *,
159bcce3 1549 struct client_state *,
f3e8ea32 1550 struct option_state *,
4f58da18 1551 struct option_state *,
6ceb9118 1552 struct binding_scope **,
4f58da18 1553 struct universe *));
69bb758c
TL		 1554int nwip_option_space_encapsulate PROTO ((struct data_string *,
1555 struct packet *, struct lease *,
159bcce3 1556 struct client_state *,
69bb758c
TL		 1557 struct option_state *,
1558 struct option_state *,
6ceb9118 1559 struct binding_scope **,
69bb758c 1560 struct universe *));
432604c3
TL		 1561int fqdn_option_space_encapsulate (struct data_string *,
1562 struct packet *, struct lease *,
159bcce3 1563 struct client_state *,
432604c3
TL		 1564 struct option_state *,
1565 struct option_state *,
1566 struct binding_scope **,
1567 struct universe *);
159bcce3
TL		 1568void suboption_foreach (struct packet *, struct lease *, struct client_state *,
1569 struct option_state *, struct option_state *,
1570 struct binding_scope **, struct universe *, void *,
1571 void (*) (struct option_cache *, struct packet *,
1572 struct lease *, struct client_state *,
1573 struct option_state *, struct option_state *,
6f56b7e2
TL		 1574 struct binding_scope **,
1575 struct universe *, void *),
1576 struct option_cache *, const char *);
432604c3 1577void option_space_foreach (struct packet *, struct lease *,
159bcce3 1578 struct client_state *,
432604c3
TL		 1579 struct option_state *,
1580 struct option_state *,
1581 struct binding_scope **,
1582 struct universe *, void *,
1583 void (*) (struct option_cache *,
1584 struct packet *,
159bcce3
TL		 1585 struct lease *, struct client_state *,
1586 struct option_state *,
432604c3
TL		 1587 struct option_state *,
1588 struct binding_scope **,
1589 struct universe *, void *));
1590void hashed_option_space_foreach (struct packet *, struct lease *,
159bcce3 1591 struct client_state *,
432604c3
TL		 1592 struct option_state *,
1593 struct option_state *,
1594 struct binding_scope **,
1595 struct universe *, void *,
1596 void (*) (struct option_cache *,
1597 struct packet *,
1598 struct lease *,
159bcce3 1599 struct client_state *,
432604c3
TL		 1600 struct option_state *,
1601 struct option_state *,
1602 struct binding_scope **,
1603 struct universe *, void *));
1604int linked_option_get PROTO ((struct data_string *, struct universe *,
1605 struct packet *, struct lease *,
159bcce3 1606 struct client_state *,
432604c3
TL		 1607 struct option_state *, struct option_state *,
1608 struct option_state *, struct binding_scope **,
1609 unsigned));
1610int linked_option_state_dereference PROTO ((struct universe *,
1611 struct option_state *,
1612 const char *, int));
bead14ea
DH		 1613void save_linked_option(struct universe *, struct option_state *,
1614 struct option_cache *, isc_boolean_t appendp);
432604c3 1615void linked_option_space_foreach (struct packet *, struct lease *,
159bcce3 1616 struct client_state *,
432604c3
TL		 1617 struct option_state *,
1618 struct option_state *,
1619 struct binding_scope **,
1620 struct universe *, void *,
1621 void (*) (struct option_cache *,
1622 struct packet *,
1623 struct lease *,
159bcce3 1624 struct client_state *,
432604c3
TL		 1625 struct option_state *,
1626 struct option_state *,
1627 struct binding_scope **,
1628 struct universe *, void *));
1629int linked_option_space_encapsulate (struct data_string *, struct packet *,
159bcce3
TL		 1630 struct lease *, struct client_state *,
1631 struct option_state *,
432604c3
TL		 1632 struct option_state *,
1633 struct binding_scope **,
1634 struct universe *);
1635void delete_linked_option (struct universe *, struct option_state *, int);
1636struct option_cache *lookup_linked_option (struct universe *,
1637 struct option_state *, unsigned);
1638void do_packet PROTO ((struct interface_info *,
1639 struct dhcp_packet *, unsigned,
1640 unsigned int, struct iaddr, struct hardware *));
98bd7ca0
DH		 1641void do_packet6(struct interface_info *, const char *,
1642 int, int, const struct iaddr *, isc_boolean_t);
1643int packet6_len_okay(const char *, int);
1644
1645int add_option(struct option_state *options,
1646 unsigned int option_num,
1647 void *data,
1648 unsigned int data_len);
d7837182 1649
d7837182 1650/* dhcpd.c */
be62cf06
FD		 1651extern struct timeval cur_tv;
1652#define cur_time cur_tv.tv_sec
685963dc 1653
06eb8bab 1654extern int ddns_update_style;
dbcc689e 1655
b1b7b521
TL		 1656extern const char *path_dhcpd_conf;
1657extern const char *path_dhcpd_db;
1658extern const char *path_dhcpd_pid;
e2ac5814 1659
5142937c 1660extern int dhcp_max_agent_option_packet_length;
6368a1bd 1661extern struct eventqueue *rw_queue_empty;
5142937c 1662
98bd7ca0
DH		 1663int main(int, char **);
1664void postconf_initialization(int);
1665void postdb_startup(void);
d7837182 1666void cleanup PROTO ((void));
e5078937
TL		 1667void lease_pinged PROTO ((struct iaddr, u_int8_t *, int));
1668void lease_ping_timeout PROTO ((void *));
20916cae 1669int dhcpd_interface_setup_hook (struct interface_info *ip, struct iaddr *ia);
06eb8bab 1670extern enum dhcp_shutdown_state shutdown_state;
d758ad8c
TL		 1671isc_result_t dhcp_io_shutdown (omapi_object_t *, void *);
1672isc_result_t dhcp_set_control_state (control_object_state_t oldstate,
1673 control_object_state_t newstate);
d7837182
TL		 1674
1675/* conflex.c */
b1b7b521 1676isc_result_t new_parse PROTO ((struct parse **, int,
96c823d5 1677 char *, unsigned, const char *, int));
fde86d2d 1678isc_result_t end_parse PROTO ((struct parse **));
bda33169
SK		 1679isc_result_t save_parse_state(struct parse *cfile);
1680isc_result_t restore_parse_state(struct parse *cfile);
b3519f23
TL		 1681enum dhcp_token next_token PROTO ((const char **, unsigned *, struct parse *));
1682enum dhcp_token peek_token PROTO ((const char **, unsigned *, struct parse *));
bda33169
SK		 1683enum dhcp_token next_raw_token(const char **rval, unsigned *rlen,
1684 struct parse *cfile);
1685enum dhcp_token peek_raw_token(const char **rval, unsigned *rlen,
1686 struct parse *cfile);
d7837182
TL		 1687
1688/* confpars.c */
f3aad410 1689void parse_trace_setup (void);
fde86d2d 1690isc_result_t readconf PROTO ((void));
f3aad410
TL		 1691isc_result_t read_conf_file (const char *, struct group *, int, int);
1692#if defined (TRACING)
1693void trace_conf_input (trace_type_t *, unsigned, char *);
1694void trace_conf_stop (trace_type_t *ttype);
1695#endif
1696isc_result_t conf_file_subparse (struct parse *, struct group *, int);
1697isc_result_t lease_file_subparse (struct parse *);
fde86d2d 1698int parse_statement PROTO ((struct parse *,
750d0800 1699 struct group *, int, struct host_decl *, int));
a7982987 1700#if defined (FAILOVER_PROTOCOL)
fde86d2d 1701void parse_failover_peer PROTO ((struct parse *, struct group *, int));
a7982987
TL		 1702void parse_failover_state_declaration (struct parse *,
1703 dhcp_failover_state_t *);
5b7f941d
TL		 1704void parse_failover_state PROTO ((struct parse *,
1705 enum failover_state *, TIME *));
a7982987 1706#endif
98311e4b 1707int permit_list_match (struct permit *, struct permit *);
fde86d2d
TL		 1708void parse_pool_statement PROTO ((struct parse *, struct group *, int));
1709int parse_boolean PROTO ((struct parse *));
1710int parse_lbrace PROTO ((struct parse *));
1711void parse_host_declaration PROTO ((struct parse *, struct group *));
20916cae
TL		 1712int parse_class_declaration PROTO ((struct class **, struct parse *,
1713 struct group *, int));
fde86d2d
TL		 1714void parse_shared_net_declaration PROTO ((struct parse *, struct group *));
1715void parse_subnet_declaration PROTO ((struct parse *,
1716 struct shared_network *));
98bd7ca0
DH		 1717void parse_subnet6_declaration PROTO ((struct parse *,
1718 struct shared_network *));
fde86d2d 1719void parse_group_declaration PROTO ((struct parse *, struct group *));
98bd7ca0
DH		 1720int parse_fixed_addr_param PROTO ((struct option_cache **,
1721 struct parse *, enum dhcp_token));
20916cae 1722int parse_lease_declaration PROTO ((struct lease **, struct parse *));
6705543f
DH		 1723int parse_ip6_addr(struct parse *, struct iaddr *);
1724int parse_ip6_addr_expr(struct expression **, struct parse *);
1d9774ab 1725int parse_ip6_prefix(struct parse *, struct iaddr *, u_int8_t *);
98311e4b
DH		 1726void parse_address_range PROTO ((struct parse *, struct group *, int,
1727 struct pool *, struct lease **));
98bd7ca0 1728void parse_address_range6(struct parse *cfile, struct group *group);
80c9fdb0
FD		 1729void parse_prefix6(struct parse *cfile, struct group *group);
1730void parse_fixed_prefix6(struct parse *cfile, struct host_decl *host_decl);
98bd7ca0 1731void parse_ia_na_declaration(struct parse *);
1d9774ab
FD		 1732void parse_ia_ta_declaration(struct parse *);
1733void parse_ia_pd_declaration(struct parse *);
98bd7ca0
DH		 1734void parse_server_duid(struct parse *cfile);
1735void parse_server_duid_conf(struct parse *cfile);
8bdd4d02 1736
b992d7e2 1737/* ddns.c */
98bd7ca0 1738int ddns_updates(struct packet *, struct lease *, struct lease *,
1d17db44
FD		 1739 struct iasubopt *, struct iasubopt *, struct option_state *);
1740int ddns_removals(struct lease *, struct iasubopt *);
b992d7e2 1741
8bdd4d02 1742/* parse.c */
dbcc689e
TL		 1743void add_enumeration (struct enumeration *);
1744struct enumeration *find_enumeration (const char *, int);
1745struct enumeration_value *find_enumeration_value (const char *, int,
c54db708 1746 unsigned *,
dbcc689e 1747 const char *);
fde86d2d
TL		 1748void skip_to_semi PROTO ((struct parse *));
1749void skip_to_rbrace PROTO ((struct parse *, int));
1750int parse_semi PROTO ((struct parse *));
b3519f23 1751int parse_string PROTO ((struct parse *, char **, unsigned *));
fde86d2d
TL		 1752char *parse_host_name PROTO ((struct parse *));
1753int parse_ip_addr_or_hostname PROTO ((struct expression **,
1754 struct parse *, int));
1755void parse_hardware_param PROTO ((struct parse *, struct hardware *));
1756void parse_lease_time PROTO ((struct parse *, TIME *));
1757unsigned char *parse_numeric_aggregate PROTO ((struct parse *,
b1b7b521
TL		 1758 unsigned char *, unsigned *,
1759 int, int, unsigned));
1760void convert_num PROTO ((struct parse *, unsigned char *, const char *,
1761 int, unsigned));
fde86d2d 1762TIME parse_date PROTO ((struct parse *));
b1d3778c 1763TIME parse_date_core(struct parse *);
f7fdb216
DH		 1764isc_result_t parse_option_name PROTO ((struct parse *, int, int *,
1765 struct option **));
fde86d2d
TL		 1766void parse_option_space_decl PROTO ((struct parse *));
1767int parse_option_code_definition PROTO ((struct parse *, struct option *));
a59ea078 1768int parse_base64 (struct data_string *, struct parse *);
fde86d2d 1769int parse_cshl PROTO ((struct data_string *, struct parse *));
79a65726 1770int parse_executable_statement PROTO ((struct executable_statement **,
69bb758c
TL		 1771 struct parse *, int *,
1772 enum expression_context));
79a65726 1773int parse_executable_statements PROTO ((struct executable_statement **,
69bb758c
TL		 1774 struct parse *, int *,
1775 enum expression_context));
3f09cb5a 1776int parse_zone (struct dns_zone *, struct parse *);
a59ea078 1777int parse_key (struct parse *);
fde86d2d
TL		 1778int parse_on_statement PROTO ((struct executable_statement **,
1779 struct parse *, int *));
69bb758c
TL		 1780int parse_switch_statement PROTO ((struct executable_statement **,
1781 struct parse *, int *));
1782int parse_case_statement PROTO ((struct executable_statement **,
1783 struct parse *, int *,
1784 enum expression_context));
fde86d2d
TL		 1785int parse_if_statement PROTO ((struct executable_statement **,
1786 struct parse *, int *));
1787int parse_boolean_expression PROTO ((struct expression **,
1788 struct parse *, int *));
1789int parse_data_expression PROTO ((struct expression **,
1790 struct parse *, int *));
1791int parse_numeric_expression PROTO ((struct expression **,
1792 struct parse *, int *));
5b7f941d 1793int parse_dns_expression PROTO ((struct expression **, struct parse *, int *));
fde86d2d 1794int parse_non_binary PROTO ((struct expression **, struct parse *, int *,
27fe61a7 1795 enum expression_context));
fde86d2d 1796int parse_expression PROTO ((struct expression **, struct parse *, int *,
27fe61a7
TL		 1797 enum expression_context,
1798 struct expression **, enum expr_op));
28868515
SK		 1799int parse_option_data(struct expression **expr, struct parse *cfile,
1800 int lookups, struct option *option);
fde86d2d
TL		 1801int parse_option_statement PROTO ((struct executable_statement **,
1802 struct parse *, int,
79a65726 1803 struct option *, enum statement_op));
b1b7b521 1804int parse_option_token PROTO ((struct expression **, struct parse *,
de427245 1805 const char **, struct expression *, int, int));
fde86d2d
TL		 1806int parse_allow_deny PROTO ((struct option_cache **, struct parse *, int));
1807int parse_auth_key PROTO ((struct data_string *, struct parse *));
cfdfb9f1 1808int parse_warn (struct parse *, const char *, ...)
4bd8800e 1809 __attribute__((__format__(__printf__,2,3)));
98bd7ca0 1810struct expression *parse_domain_list(struct parse *cfile, int);
dba5803b 1811
d7837182
TL		 1812
1813/* tree.c */
de427245
TL		 1814#if defined (NSUPDATE)
1815extern struct __res_state resolver_state;
1816extern int resolver_inited;
1817#endif
1818
6ceb9118 1819extern struct binding_scope *global_scope;
d7837182 1820pair cons PROTO ((caddr_t, pair));
27fe61a7 1821int make_const_option_cache PROTO ((struct option_cache **, struct buffer **,
b1b7b521 1822 u_int8_t *, unsigned, struct option *,
4bd8800e 1823 const char *, int));
b1b7b521
TL		 1824int make_host_lookup PROTO ((struct expression **, const char *));
1825int enter_dns_host PROTO ((struct dns_host_entry **, const char *));
d758ad8c
TL		 1826int make_const_data (struct expression **,
1827 const unsigned char *, unsigned, int, int,
1828 const char *, int);
7f6ad5ac 1829int make_const_int PROTO ((struct expression **, unsigned long));
27fe61a7
TL		 1830int make_concat PROTO ((struct expression **,
1831 struct expression *, struct expression *));
4f58da18 1832int make_encapsulation PROTO ((struct expression **, struct data_string *));
27fe61a7
TL		 1833int make_substring PROTO ((struct expression **, struct expression *,
1834 struct expression *, struct expression *));
1835int make_limit PROTO ((struct expression **, struct expression *, int));
7f6ad5ac 1836int make_let PROTO ((struct executable_statement **, const char *));
27fe61a7 1837int option_cache PROTO ((struct option_cache **, struct data_string *,
d758ad8c
TL		 1838 struct expression *, struct option *,
1839 const char *, int));
17a10efe 1840int evaluate_expression (struct binding_value **, struct packet *,
159bcce3
TL		 1841 struct lease *, struct client_state *,
1842 struct option_state *, struct option_state *,
d758ad8c
TL		 1843 struct binding_scope **, struct expression *,
1844 const char *, int);
17a10efe 1845int binding_value_dereference (struct binding_value **, const char *, int);
4bd8800e 1846#if defined (NSUPDATE)
5b7f941d 1847int evaluate_dns_expression PROTO ((ns_updrec **, struct packet *,
159bcce3
TL		 1848 struct lease *,
1849 struct client_state *,
1850 struct option_state *,
5b7f941d 1851 struct option_state *,
6ceb9118 1852 struct binding_scope **,
5b7f941d 1853 struct expression *));
4bd8800e 1854#endif
27fe61a7 1855int evaluate_boolean_expression PROTO ((int *,
f3e8ea32 1856 struct packet *, struct lease *,
159bcce3 1857 struct client_state *,
f3e8ea32
TL		 1858 struct option_state *,
1859 struct option_state *,
6ceb9118 1860 struct binding_scope **,
27fe61a7
TL		 1861 struct expression *));
1862int evaluate_data_expression PROTO ((struct data_string *,
f3e8ea32 1863 struct packet *, struct lease *,
159bcce3 1864 struct client_state *,
f3e8ea32
TL		 1865 struct option_state *,
1866 struct option_state *,
6ceb9118 1867 struct binding_scope **,
d758ad8c 1868 struct expression *, const char *, int));
159bcce3
TL		 1869int evaluate_numeric_expression (unsigned long *, struct packet *,
1870 struct lease *, struct client_state *,
1871 struct option_state *, struct option_state *,
1872 struct binding_scope **,
1873 struct expression *);
27fe61a7 1874int evaluate_option_cache PROTO ((struct data_string *,
f3e8ea32 1875 struct packet *, struct lease *,
159bcce3 1876 struct client_state *,
f3e8ea32 1877 struct option_state *, struct option_state *,
6ceb9118 1878 struct binding_scope **,
4bd8800e
TL		 1879 struct option_cache *,
1880 const char *, int));
4c026751
TL		 1881int evaluate_boolean_option_cache PROTO ((int *,
1882 struct packet *, struct lease *,
159bcce3 1883 struct client_state *,
f3e8ea32 1884 struct option_state *,
27fe61a7 1885 struct option_state *,
6ceb9118 1886 struct binding_scope **,
7f6ad5ac
TL		 1887 struct option_cache *,
1888 const char *, int));
4c026751
TL		 1889int evaluate_boolean_expression_result PROTO ((int *,
1890 struct packet *, struct lease *,
159bcce3 1891 struct client_state *,
f3e8ea32 1892 struct option_state *,
27fe61a7 1893 struct option_state *,
6ceb9118 1894 struct binding_scope **,
4bd8800e
TL		 1895 struct expression *));
1896void expression_dereference PROTO ((struct expression **, const char *, int));
5b7f941d 1897int is_dns_expression PROTO ((struct expression *));
27fe61a7
TL		 1898int is_boolean_expression PROTO ((struct expression *));
1899int is_data_expression PROTO ((struct expression *));
1900int is_numeric_expression PROTO ((struct expression *));
69bb758c 1901int is_compound_expression PROTO ((struct expression *));
27fe61a7 1902int op_precedence PROTO ((enum expr_op, enum expr_op));
cc4473a0 1903enum expression_context expression_context (struct expression *);
27fe61a7 1904enum expression_context op_context PROTO ((enum expr_op));
7f6ad5ac
TL		 1905int write_expression PROTO ((FILE *, struct expression *, int, int, int));
1906struct binding *find_binding PROTO ((struct binding_scope *, const char *));
4bd8800e
TL		 1907int free_bindings PROTO ((struct binding_scope *, const char *, int));
1908int binding_scope_dereference PROTO ((struct binding_scope **,
1909 const char *, int));
432604c3
TL		 1910int fundef_dereference (struct fundef **, const char *, int);
1911int data_subexpression_length (int *, struct expression *);
1912int expr_valid_for_context (struct expression *, enum expression_context);
2f7ca092
TL		 1913struct binding *create_binding (struct binding_scope **, const char *);
1914int bind_ds_value (struct binding_scope **,
1915 const char *, struct data_string *);
1916int find_bound_string (struct data_string *,
1917 struct binding_scope *, const char *);
1918int unset (struct binding_scope *, const char *);
98bd7ca0 1919int data_string_sprintfa(struct data_string *ds, const char *fmt, ...);
d7837182
TL		 1920
1921/* dhcp.c */
e5078937 1922extern int outstanding_pings;
6368a1bd 1923extern int max_outstanding_acks;
f8cbf390
DH		 1924extern int max_ack_delay_secs;
1925extern int max_ack_delay_usecs;
e5078937 1926
d7837182 1927void dhcp PROTO ((struct packet *));
5bc2e1f2 1928void dhcpdiscover PROTO ((struct packet *, int));
159bcce3 1929void dhcprequest PROTO ((struct packet *, int, struct lease *));
5bc2e1f2
TL		 1930void dhcprelease PROTO ((struct packet *, int));
1931void dhcpdecline PROTO ((struct packet *, int));
1932void dhcpinform PROTO ((struct packet *, int));
a8b53b42 1933void nak_lease PROTO ((struct packet *, struct iaddr *cip));
112a6c2c 1934void ack_lease PROTO ((struct packet *, struct lease *,
c75473d8 1935 unsigned int, TIME, char *, int, struct host_decl *));
6368a1bd
DH		 1936void delayed_ack_enqueue(struct lease *);
1937void commit_leases_readerdry(void *);
1938void flush_ackqueue(void *);
fc2df23a 1939void dhcp_reply PROTO ((struct lease *));
20916cae 1940int find_lease PROTO ((struct lease **, struct packet *,
159bcce3 1941 struct shared_network *, int *, int *, struct lease *,
c489f075 1942 const char *, int));
20916cae
TL		 1943int mockup_lease PROTO ((struct lease **, struct packet *,
1944 struct shared_network *,
1945 struct host_decl *));
4bd8800e 1946void static_lease_dereference PROTO ((struct lease *, const char *, int));
d7837182 1947
20916cae
TL		 1948int allocate_lease PROTO ((struct lease **, struct packet *,
1949 struct pool *, int *));
734d2258 1950int permitted PROTO ((struct packet *, struct permit *));
940ea8ab 1951int locate_network PROTO ((struct packet *));
516cf43a
TL		 1952int parse_agent_information_option PROTO ((struct packet *, int, u_int8_t *));
1953unsigned cons_agent_information_options PROTO ((struct option_state *,
1954 struct dhcp_packet *,
1955 unsigned, unsigned));
6d103865
SK		 1956void get_server_source_address(struct in_addr *from,
1957 struct option_state *options,
1958 struct packet *packet);
734d2258 1959
37ec5845
FD		 1960/* dhcpleasequery.c */
1961void dhcpleasequery PROTO ((struct packet *, int));
1962void dhcpv6_leasequery PROTO ((struct data_string *, struct packet *));
1963
98bd7ca0
DH		 1964/* dhcpv6.c */
1965isc_boolean_t server_duid_isset(void);
1966void copy_server_duid(struct data_string *ds, const char *file, int line);
1967void set_server_duid(struct data_string *new_duid);
1968isc_result_t set_server_duid_from_option(void);
6705543f 1969void set_server_duid_type(int type);
98bd7ca0 1970isc_result_t generate_new_server_duid(void);
37ec5845 1971isc_result_t get_client_id(struct packet *, struct data_string *);
98bd7ca0
DH		 1972void dhcpv6(struct packet *);
1973
d7837182
TL		 1974/* bootp.c */
1975void bootp PROTO ((struct packet *));
1976
1977/* memory.c */
06eb8bab 1978extern int (*group_write_hook) (struct group_object *);
20916cae 1979extern struct group *root_group;
98311e4b 1980extern group_hash_t *group_name_hash;
20916cae
TL		 1981isc_result_t delete_group (struct group_object *, int);
1982isc_result_t supersede_group (struct group_object *, int);
1983int clone_group (struct group **, struct group *, const char *, int);
1984int write_group PROTO ((struct group_object *));
1985
1986/* salloc.c */
d758ad8c 1987void relinquish_lease_hunks (void);
20916cae 1988struct lease *new_leases PROTO ((unsigned, const char *, int));
d758ad8c
TL		 1989#if defined (DEBUG_MEMORY_LEAKAGE) || \
1990 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
1991void relinquish_free_lease_states (void);
1992#endif
20916cae
TL		 1993OMAPI_OBJECT_ALLOC_DECL (lease, struct lease, dhcp_type_lease)
1994OMAPI_OBJECT_ALLOC_DECL (class, struct class, dhcp_type_class)
899d754f 1995OMAPI_OBJECT_ALLOC_DECL (subclass, struct class, dhcp_type_subclass)
20916cae 1996OMAPI_OBJECT_ALLOC_DECL (pool, struct pool, dhcp_type_pool)
165bce70 1997OMAPI_OBJECT_ALLOC_DECL (host, struct host_decl, dhcp_type_host)
d7837182
TL		 1998
1999/* alloc.c */
20916cae
TL		 2000OMAPI_OBJECT_ALLOC_DECL (subnet, struct subnet, dhcp_type_subnet)
2001OMAPI_OBJECT_ALLOC_DECL (shared_network, struct shared_network,
2002 dhcp_type_shared_network)
2003OMAPI_OBJECT_ALLOC_DECL (group_object, struct group_object, dhcp_type_group)
d758ad8c
TL		 2004OMAPI_OBJECT_ALLOC_DECL (dhcp_control,
2005 dhcp_control_object_t, dhcp_type_control)
2006
2007#if defined (DEBUG_MEMORY_LEAKAGE) || \
2008 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
2009void relinquish_free_pairs (void);
2010void relinquish_free_expressions (void);
2011void relinquish_free_binding_values (void);
2012void relinquish_free_option_caches (void);
2013void relinquish_free_packets (void);
2014#endif
20916cae 2015
625f7cee
TL		 2016int option_chain_head_allocate (struct option_chain_head **,
2017 const char *, int);
2018int option_chain_head_reference (struct option_chain_head **,
2019 struct option_chain_head *,
2020 const char *, int);
2021int option_chain_head_dereference (struct option_chain_head **,
2022 const char *, int);
20916cae
TL		 2023int group_allocate (struct group **, const char *, int);
2024int group_reference (struct group **, struct group *, const char *, int);
2025int group_dereference (struct group **, const char *, int);
7f6ad5ac 2026struct dhcp_packet *new_dhcp_packet PROTO ((const char *, int));
7f6ad5ac
TL		 2027struct protocol *new_protocol PROTO ((const char *, int));
2028struct lease_state *new_lease_state PROTO ((const char *, int));
2029struct domain_search_list *new_domain_search_list PROTO ((const char *, int));
2030struct name_server *new_name_server PROTO ((const char *, int));
2031void free_name_server PROTO ((struct name_server *, const char *, int));
f7fdb216
DH		 2032struct option *new_option PROTO ((const char *, const char *, int));
2033int option_reference(struct option **dest, struct option *src,
2034 const char * file, int line);
2035int option_dereference(struct option **dest, const char *file, int line);
7f6ad5ac
TL		 2036struct universe *new_universe PROTO ((const char *, int));
2037void free_universe PROTO ((struct universe *, const char *, int));
b1b7b521 2038void free_domain_search_list PROTO ((struct domain_search_list *,
7f6ad5ac
TL		 2039 const char *, int));
2040void free_lease_state PROTO ((struct lease_state *, const char *, int));
2041void free_protocol PROTO ((struct protocol *, const char *, int));
7f6ad5ac
TL		 2042void free_dhcp_packet PROTO ((struct dhcp_packet *, const char *, int));
2043struct client_lease *new_client_lease PROTO ((const char *, int));
2044void free_client_lease PROTO ((struct client_lease *, const char *, int));
7f6ad5ac
TL		 2045struct permit *new_permit PROTO ((const char *, int));
2046void free_permit PROTO ((struct permit *, const char *, int));
2047pair new_pair PROTO ((const char *, int));
2048void free_pair PROTO ((pair, const char *, int));
2049int expression_allocate PROTO ((struct expression **, const char *, int));
27fe61a7 2050int expression_reference PROTO ((struct expression **,
7f6ad5ac
TL		 2051 struct expression *, const char *, int));
2052void free_expression PROTO ((struct expression *, const char *, int));
17a10efe
TL		 2053int binding_value_allocate PROTO ((struct binding_value **,
2054 const char *, int));
2055int binding_value_reference PROTO ((struct binding_value **,
2056 struct binding_value *,
2057 const char *, int));
2058void free_binding_value PROTO ((struct binding_value *, const char *, int));
664ec1de
TL		 2059int fundef_allocate PROTO ((struct fundef **, const char *, int));
2060int fundef_reference PROTO ((struct fundef **,
2061 struct fundef *, const char *, int));
7f6ad5ac 2062int option_cache_allocate PROTO ((struct option_cache **, const char *, int));
27fe61a7 2063int option_cache_reference PROTO ((struct option_cache **,
7f6ad5ac
TL		 2064 struct option_cache *, const char *, int));
2065int buffer_allocate PROTO ((struct buffer **, unsigned, const char *, int));
2066int buffer_reference PROTO ((struct buffer **, struct buffer *,
2067 const char *, int));
2068int buffer_dereference PROTO ((struct buffer **, const char *, int));
b1b7b521 2069int dns_host_entry_allocate PROTO ((struct dns_host_entry **,
7f6ad5ac 2070 const char *, const char *, int));
27fe61a7 2071int dns_host_entry_reference PROTO ((struct dns_host_entry **,
7f6ad5ac
TL		 2072 struct dns_host_entry *,
2073 const char *, int));
b1b7b521 2074int dns_host_entry_dereference PROTO ((struct dns_host_entry **,
7f6ad5ac
TL		 2075 const char *, int));
2076int option_state_allocate PROTO ((struct option_state **, const char *, int));
a340de95 2077int option_state_reference PROTO ((struct option_state **,
7f6ad5ac
TL		 2078 struct option_state *, const char *, int));
2079int option_state_dereference PROTO ((struct option_state **,
2080 const char *, int));
5279b8f3
DH		 2081void data_string_copy(struct data_string *, const struct data_string *,
2082 const char *, int);
7f6ad5ac
TL		 2083void data_string_forget PROTO ((struct data_string *, const char *, int));
2084void data_string_truncate PROTO ((struct data_string *, int));
79a65726 2085int executable_statement_allocate PROTO ((struct executable_statement **,
7f6ad5ac 2086 const char *, int));
79a65726
TL		 2087int executable_statement_reference PROTO ((struct executable_statement **,
2088 struct executable_statement *,
7f6ad5ac
TL		 2089 const char *, int));
2090int packet_allocate PROTO ((struct packet **, const char *, int));
2091int packet_reference PROTO ((struct packet **,
2092 struct packet *, const char *, int));
2093int packet_dereference PROTO ((struct packet **, const char *, int));
2094int binding_scope_allocate PROTO ((struct binding_scope **,
2095 const char *, int));
6ceb9118
TL		 2096int binding_scope_reference PROTO ((struct binding_scope **,
2097 struct binding_scope *,
2098 const char *, int));
3f09cb5a
TL		 2099int dns_zone_allocate PROTO ((struct dns_zone **, const char *, int));
2100int dns_zone_reference PROTO ((struct dns_zone **,
2101 struct dns_zone *, const char *, int));
d7837182
TL		 2102
2103/* print.c */
5e864416
DH		 2104#define DEFAULT_TIME_FORMAT 0
2105#define LOCAL_TIME_FORMAT 1
2106extern int db_time_format;
d73c2404
TL		 2107char *quotify_string (const char *, const char *, int);
2108char *quotify_buf (const unsigned char *, unsigned, const char *, int);
d758ad8c 2109char *print_base64 (const unsigned char *, unsigned, const char *, int);
d7837182 2110char *print_hw_addr PROTO ((int, int, unsigned char *));
97ca1699 2111void print_lease PROTO ((struct lease *));
b1b7b521 2112void dump_raw PROTO ((const unsigned char *, unsigned));
b2398d97 2113void dump_packet_option (struct option_cache *, struct packet *,
159bcce3
TL		 2114 struct lease *, struct client_state *,
2115 struct option_state *, struct option_state *,
2116 struct binding_scope **, struct universe *, void *);
17b95f41 2117void dump_packet PROTO ((struct packet *));
c626ae69 2118void hash_dump PROTO ((struct hash_table *));
b1b7b521
TL		 2119char *print_hex_1 PROTO ((unsigned, const u_int8_t *, unsigned));
2120char *print_hex_2 PROTO ((unsigned, const u_int8_t *, unsigned));
2121char *print_hex_3 PROTO ((unsigned, const u_int8_t *, unsigned));
2122char *print_dotted_quads PROTO ((unsigned, const u_int8_t *));
2123char *print_dec_1 PROTO ((unsigned long));
2124char *print_dec_2 PROTO ((unsigned long));
fd547e98 2125void print_expression PROTO ((const char *, struct expression *));
b1b7b521
TL		 2126int token_print_indent_concat (FILE *, int, int,
2127 const char *, const char *, ...);
2128int token_indent_data_string (FILE *, int, int, const char *, const char *,
fa098be8 2129 struct data_string *);
b1b7b521
TL		 2130int token_print_indent (FILE *, int, int,
2131 const char *, const char *, const char *);
fa098be8 2132void indent_spaces (FILE *, int);
69bb758c
TL		 2133#if defined (NSUPDATE)
2134void print_dns_status (int, ns_updque *);
2135#endif
5e864416 2136const char *print_time(TIME);
d7837182 2137
98bd7ca0
DH		 2138void get_hw_addr(const char *name, struct hardware *hw);
2139
d7837182 2140/* socket.c */
c626ae69
TL		 2141#if defined (USE_SOCKET_SEND) || defined (USE_SOCKET_RECEIVE) \
2142 || defined (USE_SOCKET_FALLBACK)
ecddae64 2143int if_register_socket(struct interface_info *, int, int *);
17b95f41
TL		 2144#endif
2145
5d4afdbc 2146#if defined (USE_SOCKET_FALLBACK) && !defined (USE_SOCKET_SEND)
41fb155b
TL		 2147void if_reinitialize_fallback PROTO ((struct interface_info *));
2148void if_register_fallback PROTO ((struct interface_info *));
4595a58c
TL		 2149ssize_t send_fallback PROTO ((struct interface_info *,
2150 struct packet *, struct dhcp_packet *, size_t,
2151 struct in_addr,
2152 struct sockaddr_in *, struct hardware *));
98bd7ca0
DH		 2153ssize_t send_fallback6(struct interface_info *, struct packet *,
2154 struct dhcp_packet *, size_t, struct in6_addr,
2155 struct sockaddr_in6 *, struct hardware *);
c626ae69
TL		 2156#endif
2157
6f10b1a4 2158#ifdef USE_SOCKET_SEND
41fb155b 2159void if_reinitialize_send PROTO ((struct interface_info *));
eb1aa668 2160void if_register_send PROTO ((struct interface_info *));
3f09cb5a 2161void if_deregister_send PROTO ((struct interface_info *));
eb1aa668 2162ssize_t send_packet PROTO ((struct interface_info *,
4595a58c
TL		 2163 struct packet *, struct dhcp_packet *, size_t,
2164 struct in_addr,
2165 struct sockaddr_in *, struct hardware *));
6f10b1a4 2166#endif
6705543f
DH		 2167ssize_t send_packet6(struct interface_info *, const unsigned char *, size_t,
2168 struct sockaddr_in6 *);
6f10b1a4 2169#ifdef USE_SOCKET_RECEIVE
41fb155b
TL		 2170void if_reinitialize_receive PROTO ((struct interface_info *));
2171void if_register_receive PROTO ((struct interface_info *));
3f09cb5a 2172void if_deregister_receive PROTO ((struct interface_info *));
4595a58c
TL		 2173ssize_t receive_packet PROTO ((struct interface_info *,
2174 unsigned char *, size_t,
2175 struct sockaddr_in *, struct hardware *));
6f10b1a4 2176#endif
b5c11cbe 2177
5d4afdbc 2178#if defined (USE_SOCKET_FALLBACK)
4fe74d72 2179isc_result_t fallback_discard PROTO ((omapi_object_t *));
b5c11cbe
TL		 2180#endif
2181
5d4afdbc 2182#if defined (USE_SOCKET_SEND)
319db03d
TL		 2183int can_unicast_without_arp PROTO ((struct interface_info *));
2184int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
af380050 2185int supports_multiple_interfaces (struct interface_info *);
d1f2c520 2186void maybe_setup_fallback PROTO ((void));
469cf3a4 2187#endif
6f10b1a4 2188
99fe695e
SK		 2189void if_register6(struct interface_info *info, int do_multicast);
2190ssize_t receive_packet6(struct interface_info *interface,
2191 unsigned char *buf, size_t len,
ecddae64
DH		 2192 struct sockaddr_in6 *from, struct in6_addr *to_addr,
2193 unsigned int *if_index);
99fe695e
SK		 2194void if_deregister6(struct interface_info *info);
2195
2196
6f10b1a4 2197/* bpf.c */
17b95f41 2198#if defined (USE_BPF_SEND) || defined (USE_BPF_RECEIVE)
41fb155b 2199int if_register_bpf PROTO ( (struct interface_info *));
17b95f41 2200#endif
6f10b1a4 2201#ifdef USE_BPF_SEND
41fb155b
TL		 2202void if_reinitialize_send PROTO ((struct interface_info *));
2203void if_register_send PROTO ((struct interface_info *));
3f09cb5a 2204void if_deregister_send PROTO ((struct interface_info *));
4595a58c
TL		 2205ssize_t send_packet PROTO ((struct interface_info *,
2206 struct packet *, struct dhcp_packet *, size_t,
2207 struct in_addr,
2208 struct sockaddr_in *, struct hardware *));
6f10b1a4
TL		 2209#endif
2210#ifdef USE_BPF_RECEIVE
41fb155b
TL		 2211void if_reinitialize_receive PROTO ((struct interface_info *));
2212void if_register_receive PROTO ((struct interface_info *));
3f09cb5a 2213void if_deregister_receive PROTO ((struct interface_info *));
4595a58c
TL		 2214ssize_t receive_packet PROTO ((struct interface_info *,
2215 unsigned char *, size_t,
2216 struct sockaddr_in *, struct hardware *));
6f10b1a4 2217#endif
469cf3a4 2218#if defined (USE_BPF_SEND)
319db03d
TL		 2219int can_unicast_without_arp PROTO ((struct interface_info *));
2220int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
af380050 2221int supports_multiple_interfaces (struct interface_info *);
d1f2c520
TL		 2222void maybe_setup_fallback PROTO ((void));
2223#endif
2224
2225/* lpf.c */
2226#if defined (USE_LPF_SEND) || defined (USE_LPF_RECEIVE)
2227int if_register_lpf PROTO ( (struct interface_info *));
2228#endif
2229#ifdef USE_LPF_SEND
2230void if_reinitialize_send PROTO ((struct interface_info *));
2231void if_register_send PROTO ((struct interface_info *));
3f09cb5a 2232void if_deregister_send PROTO ((struct interface_info *));
d1f2c520
TL		 2233ssize_t send_packet PROTO ((struct interface_info *,
2234 struct packet *, struct dhcp_packet *, size_t,
2235 struct in_addr,
2236 struct sockaddr_in *, struct hardware *));
2237#endif
2238#ifdef USE_LPF_RECEIVE
2239void if_reinitialize_receive PROTO ((struct interface_info *));
2240void if_register_receive PROTO ((struct interface_info *));
3f09cb5a 2241void if_deregister_receive PROTO ((struct interface_info *));
d1f2c520
TL		 2242ssize_t receive_packet PROTO ((struct interface_info *,
2243 unsigned char *, size_t,
2244 struct sockaddr_in *, struct hardware *));
2245#endif
2246#if defined (USE_LPF_SEND)
319db03d
TL		 2247int can_unicast_without_arp PROTO ((struct interface_info *));
2248int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
af380050 2249int supports_multiple_interfaces (struct interface_info *);
d1f2c520 2250void maybe_setup_fallback PROTO ((void));
469cf3a4 2251#endif
6f10b1a4
TL		 2252
2253/* nit.c */
41fb155b
TL		 2254#if defined (USE_NIT_SEND) || defined (USE_NIT_RECEIVE)
2255int if_register_nit PROTO ( (struct interface_info *));
2256#endif
2257
6f10b1a4 2258#ifdef USE_NIT_SEND
41fb155b
TL		 2259void if_reinitialize_send PROTO ((struct interface_info *));
2260void if_register_send PROTO ((struct interface_info *));
3f09cb5a 2261void if_deregister_send PROTO ((struct interface_info *));
4595a58c
TL		 2262ssize_t send_packet PROTO ((struct interface_info *,
2263 struct packet *, struct dhcp_packet *, size_t,
2264 struct in_addr,
2265 struct sockaddr_in *, struct hardware *));
6f10b1a4
TL		 2266#endif
2267#ifdef USE_NIT_RECEIVE
41fb155b
TL		 2268void if_reinitialize_receive PROTO ((struct interface_info *));
2269void if_register_receive PROTO ((struct interface_info *));
3f09cb5a 2270void if_deregister_receive PROTO ((struct interface_info *));
4595a58c
TL		 2271ssize_t receive_packet PROTO ((struct interface_info *,
2272 unsigned char *, size_t,
2273 struct sockaddr_in *, struct hardware *));
6f10b1a4 2274#endif
94f08824 2275#if defined (USE_NIT_SEND)
319db03d
TL		 2276int can_unicast_without_arp PROTO ((struct interface_info *));
2277int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
af380050 2278int supports_multiple_interfaces (struct interface_info *);
d1f2c520 2279void maybe_setup_fallback PROTO ((void));
469cf3a4 2280#endif
6f10b1a4 2281
94f08824 2282/* dlpi.c */
5142937c
TL		 2283#if defined (USE_DLPI_SEND) || defined (USE_DLPI_RECEIVE)
2284int if_register_dlpi PROTO ( (struct interface_info *));
2285#endif
2286
94f08824 2287#ifdef USE_DLPI_SEND
109e00db
DH		 2288int can_unicast_without_arp PROTO ((struct interface_info *));
2289int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
5142937c
TL		 2290void if_reinitialize_send PROTO ((struct interface_info *));
2291void if_register_send PROTO ((struct interface_info *));
3f09cb5a 2292void if_deregister_send PROTO ((struct interface_info *));
5142937c
TL		 2293ssize_t send_packet PROTO ((struct interface_info *,
2294 struct packet *, struct dhcp_packet *, size_t,
2295 struct in_addr,
2296 struct sockaddr_in *, struct hardware *));
109e00db
DH		 2297int supports_multiple_interfaces (struct interface_info *);
2298void maybe_setup_fallback PROTO ((void));
94f08824
TL		 2299#endif
2300#ifdef USE_DLPI_RECEIVE
5142937c
TL		 2301void if_reinitialize_receive PROTO ((struct interface_info *));
2302void if_register_receive PROTO ((struct interface_info *));
3f09cb5a 2303void if_deregister_receive PROTO ((struct interface_info *));
5142937c
TL		 2304ssize_t receive_packet PROTO ((struct interface_info *,
2305 unsigned char *, size_t,
2306 struct sockaddr_in *, struct hardware *));
94f08824
TL		 2307#endif
2308
2309
6f10b1a4
TL		 2310/* raw.c */
2311#ifdef USE_RAW_SEND
41fb155b
TL		 2312void if_reinitialize_send PROTO ((struct interface_info *));
2313void if_register_send PROTO ((struct interface_info *));
3f09cb5a 2314void if_deregister_send PROTO ((struct interface_info *));
4595a58c
TL		 2315ssize_t send_packet PROTO ((struct interface_info *,
2316 struct packet *, struct dhcp_packet *, size_t,
2317 struct in_addr,
2318 struct sockaddr_in *, struct hardware *));
319db03d
TL		 2319int can_unicast_without_arp PROTO ((struct interface_info *));
2320int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
af380050 2321int supports_multiple_interfaces (struct interface_info *);
d1f2c520 2322void maybe_setup_fallback PROTO ((void));
6f10b1a4
TL		 2323#endif
2324
f3aad410 2325/* discover.c */
d1f2c520 2326extern struct interface_info *interfaces,
339b0231 2327 *dummy_interfaces, *fallback_interface;
6e5ed8bf 2328extern struct protocol *protocols;
d032a71e 2329extern int quiet_interface_discovery;
8bed305d 2330isc_result_t interface_setup (void);
f3aad410 2331void interface_trace_setup (void);
aa8579c0
TL		 2332
2333extern struct in_addr limited_broadcast;
98bd7ca0 2334extern int local_family;
aa8579c0 2335extern struct in_addr local_address;
98bd7ca0 2336extern struct in6_addr local_address6;
aa8579c0
TL		 2337
2338extern u_int16_t local_port;
2339extern u_int16_t remote_port;
20916cae
TL		 2340extern int (*dhcp_interface_setup_hook) (struct interface_info *,
2341 struct iaddr *);
2342extern int (*dhcp_interface_discovery_hook) (struct interface_info *);
06eb8bab 2343extern isc_result_t (*dhcp_interface_startup_hook) (struct interface_info *);
aa8579c0 2344
6e5ed8bf 2345extern void (*bootp_packet_handler) PROTO ((struct interface_info *,
b1b7b521 2346 struct dhcp_packet *, unsigned,
2b9b6ff7
TL		 2347 unsigned int,
2348 struct iaddr, struct hardware *));
98bd7ca0
DH		 2349extern void (*dhcpv6_packet_handler)(struct interface_info *,
2350 const char *, int,
2351 int, const struct iaddr *, isc_boolean_t);
cc26de46 2352extern struct timeout *timeouts;
4fe74d72 2353extern omapi_object_type_t *dhcp_type_interface;
f3aad410 2354#if defined (TRACING)
06eb8bab
SK		 2355extern trace_type_t *interface_trace;
2356extern trace_type_t *inpacket_trace;
2357extern trace_type_t *outpacket_trace;
f3aad410
TL		 2358#endif
2359extern struct interface_info **interface_vector;
2360extern int interface_count;
2361extern int interface_max;
98bd7ca0
DH		 2362isc_result_t interface_initialize(omapi_object_t *, const char *, int);
2363void discover_interfaces(int);
20916cae 2364int setup_fallback (struct interface_info **, const char *, int);
4fe74d72 2365int if_readsocket PROTO ((omapi_object_t *));
41fb155b 2366void reinitialize_interfaces PROTO ((void));
f3aad410
TL		 2367
2368/* dispatch.c */
88cd8aca 2369void set_time(TIME);
f3aad410 2370struct timeval *process_outstanding_timeouts (struct timeval *);
6e5ed8bf 2371void dispatch PROTO ((void));
98bd7ca0
DH		 2372isc_result_t got_one(omapi_object_t *);
2373isc_result_t got_one_v6(omapi_object_t *);
4fe74d72
TL		 2374isc_result_t interface_set_value (omapi_object_t *, omapi_object_t *,
2375 omapi_data_string_t *, omapi_typed_data_t *);
2376isc_result_t interface_get_value (omapi_object_t *, omapi_object_t *,
2377 omapi_data_string_t *, omapi_value_t **);
4bd8800e 2378isc_result_t interface_destroy (omapi_object_t *, const char *, int);
b1b7b521
TL		 2379isc_result_t interface_signal_handler (omapi_object_t *,
2380 const char *, va_list);
4fe74d72
TL		 2381isc_result_t interface_stuff_values (omapi_object_t *,
2382 omapi_object_t *,
2383 omapi_object_t *);
2384
be62cf06 2385void add_timeout PROTO ((struct timeval *, void (*) PROTO ((void *)), void *,
76d5bd36 2386 tvref_t, tvunref_t));
6e5ed8bf 2387void cancel_timeout PROTO ((void (*) PROTO ((void *)), void *));
d758ad8c
TL		 2388void cancel_all_timeouts (void);
2389void relinquish_timeouts (void);
2390#if 0
b1b7b521 2391struct protocol *add_protocol PROTO ((const char *, int,
29f5e9ce
TL		 2392 void (*) PROTO ((struct protocol *)),
2393 void *));
d7837182 2394
5a526cf8 2395void remove_protocol PROTO ((struct protocol *));
d758ad8c 2396#endif
20916cae 2397OMAPI_OBJECT_ALLOC_DECL (interface,
165bce70 2398 struct interface_info, dhcp_type_interface)
5a526cf8 2399
d7837182 2400/* tables.c */
f7fdb216 2401extern char *default_option_format;
102ee7e9 2402extern struct universe dhcp_universe;
98bd7ca0 2403extern struct universe dhcpv6_universe;
432604c3 2404extern struct universe nwip_universe;
432604c3 2405extern struct universe fqdn_universe;
98bd7ca0 2406extern struct universe vsio_universe;
27fe61a7
TL		 2407extern int dhcp_option_default_priority_list [];
2408extern int dhcp_option_default_priority_list_count;
b1b7b521 2409extern const char *hardware_types [256];
06eb8bab
SK		 2410extern int universe_count, universe_max;
2411extern struct universe **universes;
98311e4b 2412extern universe_hash_t *universe_hash;
516cf43a 2413void initialize_common_option_spaces PROTO ((void));
06eb8bab 2414extern struct universe *config_universe;
516cf43a
TL		 2415
2416/* stables.c */
d9eefc5d 2417#if defined (FAILOVER_PROTOCOL)
76d5bd36
TL		 2418extern failover_option_t null_failover_option;
2419extern failover_option_t skip_failover_option;
2420extern struct failover_option_info ft_options [];
2421extern u_int32_t fto_allowed [];
2422extern int ft_sizes [];
2423extern const char *dhcp_flink_state_names [];
d9eefc5d 2424#endif
007e3ee4
TL		 2425extern const char *binding_state_names [];
2426
516cf43a 2427extern struct universe agent_universe;
516cf43a 2428extern struct universe server_universe;
dbcc689e
TL		 2429
2430extern struct enumeration ddns_styles;
625f7cee 2431extern struct enumeration syslog_enum;
516cf43a 2432void initialize_server_option_spaces PROTO ((void));
d7837182 2433
089fb364 2434/* inet.c */
1358b874 2435struct iaddr subnet_number PROTO ((struct iaddr, struct iaddr));
73fd5718 2436struct iaddr ip_addr PROTO ((struct iaddr, struct iaddr, u_int32_t));
69ea1884 2437struct iaddr broadcast_addr PROTO ((struct iaddr, struct iaddr));
73fd5718 2438u_int32_t host_addr PROTO ((struct iaddr, struct iaddr));
1358b874 2439int addr_eq PROTO ((struct iaddr, struct iaddr));
febbd402 2440int addr_match(struct iaddr *, struct iaddrmatch *);
98bd7ca0
DH		 2441int addr_cmp(const struct iaddr *a1, const struct iaddr *a2);
2442int addr_or(struct iaddr *result,
2443 const struct iaddr *a1, const struct iaddr *a2);
2444int addr_and(struct iaddr *result,
2445 const struct iaddr *a1, const struct iaddr *a2);
9b21e73e 2446isc_boolean_t is_cidr_mask_valid(const struct iaddr *addr, int bits);
98bd7ca0
DH		 2447isc_result_t range2cidr(struct iaddrcidrnetlist **result,
2448 const struct iaddr *lo, const struct iaddr *hi);
2449isc_result_t free_iaddrcidrnetlist(struct iaddrcidrnetlist **result);
2450const char *piaddr PROTO ((struct iaddr));
2451char *piaddrmask(struct iaddr *, struct iaddr *);
2452char *piaddrcidr(const struct iaddr *, unsigned int);
95821729
TL		 2453
2454/* dhclient.c */
8ea19a71
DH		 2455extern int nowait;
2456
420d8b3f
FD		 2457extern int wanted_ia_na;
2458extern int wanted_ia_ta;
2459extern int wanted_ia_pd;
2460
b1b7b521
TL		 2461extern const char *path_dhclient_conf;
2462extern const char *path_dhclient_db;
2463extern const char *path_dhclient_pid;
e47988bf 2464extern char *path_dhclient_script;
5a526cf8 2465extern int interfaces_requested;
98bd7ca0 2466extern struct data_string default_duid;
cc26de46
TL		 2467
2468extern struct client_config top_level_config;
2469
abe9a343
TL		 2470void dhcpoffer PROTO ((struct packet *));
2471void dhcpack PROTO ((struct packet *));
2472void dhcpnak PROTO ((struct packet *));
cc26de46 2473
6e5ed8bf
TL		 2474void send_discover PROTO ((void *));
2475void send_request PROTO ((void *));
2476void send_release PROTO ((void *));
2477void send_decline PROTO ((void *));
cc26de46 2478
6e5ed8bf
TL		 2479void state_reboot PROTO ((void *));
2480void state_init PROTO ((void *));
2481void state_selecting PROTO ((void *));
2482void state_requesting PROTO ((void *));
2483void state_bound PROTO ((void *));
d758ad8c 2484void state_stop PROTO ((void *));
6e5ed8bf 2485void state_panic PROTO ((void *));
cc26de46 2486
734d2258 2487void bind_lease PROTO ((struct client_state *));
0c7802b1 2488
734d2258 2489void make_client_options PROTO ((struct client_state *,
27fe61a7
TL		 2490 struct client_lease *, u_int8_t *,
2491 struct option_cache *, struct iaddr *,
0c20eab3 2492 struct option **, struct option_state **));
734d2258
TL		 2493void make_discover PROTO ((struct client_state *, struct client_lease *));
2494void make_request PROTO ((struct client_state *, struct client_lease *));
2495void make_decline PROTO ((struct client_state *, struct client_lease *));
2496void make_release PROTO ((struct client_state *, struct client_lease *));
cc26de46 2497
27fe61a7 2498void destroy_client_lease PROTO ((struct client_lease *));
cc26de46 2499void rewrite_client_leases PROTO ((void));
432604c3 2500void write_lease_option (struct option_cache *, struct packet *,
159bcce3
TL		 2501 struct lease *, struct client_state *,
2502 struct option_state *, struct option_state *,
2503 struct binding_scope **, struct universe *, void *);
007e3ee4
TL		 2504int write_client_lease PROTO ((struct client_state *,
2505 struct client_lease *, int, int));
98bd7ca0
DH		 2506isc_result_t write_client6_lease(struct client_state *client,
2507 struct dhc6_lease *lease,
2508 int rewrite, int sync);
32a47563 2509int dhcp_option_ev_name (char *, size_t, struct option *);
cc26de46 2510
b1b7b521 2511void script_init PROTO ((struct client_state *, const char *,
6b3b97e1 2512 struct string_list *));
432604c3 2513void client_option_envadd (struct option_cache *, struct packet *,
159bcce3
TL		 2514 struct lease *, struct client_state *,
2515 struct option_state *, struct option_state *,
2516 struct binding_scope **, struct universe *, void *);
734d2258 2517void script_write_params PROTO ((struct client_state *,
b1b7b521 2518 const char *, struct client_lease *));
734d2258 2519int script_go PROTO ((struct client_state *));
32a47563
TL		 2520void client_envadd (struct client_state *,
2521 const char *, const char *, const char *, ...)
2522 __attribute__((__format__(__printf__,4,5)));
cc26de46 2523
6ceb9118 2524struct client_lease *packet_to_lease (struct packet *, struct client_state *);
41fb155b 2525void go_daemon PROTO ((void));
5a526cf8 2526void write_client_pid_file PROTO ((void));
5a526cf8 2527void client_location_changed PROTO ((void));
3f09cb5a 2528void do_release PROTO ((struct client_state *));
20916cae
TL		 2529int dhclient_interface_shutdown_hook (struct interface_info *);
2530int dhclient_interface_discovery_hook (struct interface_info *);
c1f22aef 2531isc_result_t dhclient_interface_startup_hook (struct interface_info *);
98bd7ca0
DH		 2532void dhclient_schedule_updates(struct client_state *client,
2533 struct iaddr *addr, int offset);
98311e4b 2534void client_dns_update_timeout (void *cp);
98bd7ca0
DH		 2535isc_result_t client_dns_update(struct client_state *client, int, int,
2536 struct iaddr *);
2537
2538void dhcpv4_client_assignments(void);
2539void dhcpv6_client_assignments(void);
2540
2541/* dhc6.c */
06eb8bab 2542void form_duid(struct data_string *duid, const char *file, int line);
e32529a5 2543void dhc6_lease_destroy(struct dhc6_lease **src, const char *file, int line);
98bd7ca0 2544void start_init6(struct client_state *client);
3dbe2246 2545void start_info_request6(struct client_state *client);
98bd7ca0 2546void start_confirm6(struct client_state *client);
af5fa176 2547void start_release6(struct client_state *client);
98bd7ca0 2548void start_selecting6(struct client_state *client);
af5fa176 2549void unconfigure6(struct client_state *client, const char *reason);
95821729 2550
1358b874
TL		 2551/* db.c */
2552int write_lease PROTO ((struct lease *));
4fe74d72 2553int write_host PROTO ((struct host_decl *));
6705543f 2554int write_server_duid(void);
a7982987
TL		 2555#if defined (FAILOVER_PROTOCOL)
2556int write_failover_state (dhcp_failover_state_t *);
2557#endif
804401cc 2558int db_printable PROTO ((const unsigned char *));
cfdfb9f1 2559int db_printable_len PROTO ((const unsigned char *, unsigned));
f7fdb216 2560isc_result_t write_named_billing_class(const void *, unsigned, void *);
875d2b66 2561void write_billing_classes (void);
112a6c2c 2562int write_billing_class PROTO ((struct class *));
98311e4b 2563void commit_leases_timeout PROTO ((void *));
6368a1bd 2564void commit_leases_readerdry(void *);
1358b874 2565int commit_leases PROTO ((void));
fde86d2d 2566void db_startup PROTO ((int));
d758ad8c 2567int new_lease_file PROTO ((void));
20916cae 2568int group_writer (struct group_object *);
9322442f 2569int write_ia(const struct ia_xx *);
17b95f41
TL		 2570
2571/* packet.c */
b1b7b521 2572u_int32_t checksum PROTO ((unsigned char *, unsigned, u_int32_t));
e5078937 2573u_int32_t wrapsum PROTO ((u_int32_t));
17b95f41 2574void assemble_hw_header PROTO ((struct interface_info *, unsigned char *,
b1b7b521 2575 unsigned *, struct hardware *));
17b95f41 2576void assemble_udp_ip_header PROTO ((struct interface_info *, unsigned char *,
b1b7b521
TL		 2577 unsigned *, u_int32_t, u_int32_t,
2578 u_int32_t, unsigned char *, unsigned));
4595a58c 2579ssize_t decode_hw_header PROTO ((struct interface_info *, unsigned char *,
b1b7b521 2580 unsigned, struct hardware *));
4595a58c 2581ssize_t decode_udp_ip_header PROTO ((struct interface_info *, unsigned char *,
b1b7b521 2582 unsigned, struct sockaddr_in *,
83c0372e 2583 unsigned, unsigned *));
ab370123 2584
7d29d66d
TL		 2585/* ethernet.c */
2586void assemble_ethernet_header PROTO ((struct interface_info *, unsigned char *,
b1b7b521 2587 unsigned *, struct hardware *));
7d29d66d
TL		 2588ssize_t decode_ethernet_header PROTO ((struct interface_info *,
2589 unsigned char *,
b1b7b521 2590 unsigned, struct hardware *));
7d29d66d
TL		 2591
2592/* tr.c */
2593void assemble_tr_header PROTO ((struct interface_info *, unsigned char *,
b1b7b521 2594 unsigned *, struct hardware *));
7d29d66d
TL		 2595ssize_t decode_tr_header PROTO ((struct interface_info *,
2596 unsigned char *,
b1b7b521 2597 unsigned, struct hardware *));
7d29d66d 2598
ab370123 2599/* dhxpxlt.c */
fde86d2d
TL		 2600void convert_statement PROTO ((struct parse *));
2601void convert_host_statement PROTO ((struct parse *, jrefproto));
2602void convert_host_name PROTO ((struct parse *, jrefproto));
2603void convert_class_statement PROTO ((struct parse *, jrefproto, int));
2604void convert_class_decl PROTO ((struct parse *, jrefproto));
2605void convert_lease_time PROTO ((struct parse *, jrefproto, char *));
2606void convert_shared_net_statement PROTO ((struct parse *, jrefproto));
2607void convert_subnet_statement PROTO ((struct parse *, jrefproto));
2608void convert_subnet_decl PROTO ((struct parse *, jrefproto));
2609void convert_host_decl PROTO ((struct parse *, jrefproto));
2610void convert_hardware_decl PROTO ((struct parse *, jrefproto));
2611void convert_hardware_addr PROTO ((struct parse *, jrefproto));
2612void convert_filename_decl PROTO ((struct parse *, jrefproto));
2613void convert_servername_decl PROTO ((struct parse *, jrefproto));
2614void convert_ip_addr_or_hostname PROTO ((struct parse *, jrefproto, int));
2615void convert_fixed_addr_decl PROTO ((struct parse *, jrefproto));
2616void convert_option_decl PROTO ((struct parse *, jrefproto));
fde86d2d
TL		 2617void convert_lease_statement PROTO ((struct parse *, jrefproto));
2618void convert_address_range PROTO ((struct parse *, jrefproto));
2619void convert_date PROTO ((struct parse *, jrefproto, char *));
2620void convert_numeric_aggregate PROTO ((struct parse *, jrefproto, int, int, int, int));
ab370123 2621void indent PROTO ((int));
469cf3a4
TL		 2622
2623/* route.c */
2624void add_route_direct PROTO ((struct interface_info *, struct in_addr));
2625void add_route_net PROTO ((struct interface_info *, struct in_addr,
2626 struct in_addr));
2627void add_route_default_gateway PROTO ((struct interface_info *,
2628 struct in_addr));
2629void remove_routes PROTO ((struct in_addr));
2630void remove_if_route PROTO ((struct interface_info *, struct in_addr));
2631void remove_all_if_routes PROTO ((struct interface_info *));
2632void set_netmask PROTO ((struct interface_info *, struct in_addr));
2633void set_broadcast_addr PROTO ((struct interface_info *, struct in_addr));
2634void set_ip_address PROTO ((struct interface_info *, struct in_addr));
cc26de46
TL		 2635
2636/* clparse.c */
fde86d2d 2637isc_result_t read_client_conf PROTO ((void));
d758ad8c
TL		 2638int read_client_conf_file (const char *,
2639 struct interface_info *, struct client_config *);
cc26de46 2640void read_client_leases PROTO ((void));
fde86d2d 2641void parse_client_statement PROTO ((struct parse *, struct interface_info *,
cc26de46 2642 struct client_config *));
b1b7b521 2643int parse_X PROTO ((struct parse *, u_int8_t *, unsigned));
0c20eab3 2644int parse_option_list PROTO ((struct parse *, struct option ***));
fde86d2d 2645void parse_interface_declaration PROTO ((struct parse *,
734d2258 2646 struct client_config *, char *));
20916cae 2647int interface_or_dummy PROTO ((struct interface_info **, const char *));
734d2258
TL		 2648void make_client_state PROTO ((struct client_state **));
2649void make_client_config PROTO ((struct client_state *,
41fb155b 2650 struct client_config *));
fde86d2d
TL		 2651void parse_client_lease_statement PROTO ((struct parse *, int));
2652void parse_client_lease_declaration PROTO ((struct parse *,
2653 struct client_lease *,
734d2258
TL		 2654 struct interface_info **,
2655 struct client_state **));
fde86d2d
TL		 2656int parse_option_decl PROTO ((struct option_cache **, struct parse *));
2657void parse_string_list PROTO ((struct parse *, struct string_list **, int));
2658int parse_ip_addr PROTO ((struct parse *, struct iaddr *));
d19e2cf7 2659int parse_ip_addr_with_subnet(struct parse *, struct iaddrmatch *);
fde86d2d 2660void parse_reject_statement PROTO ((struct parse *, struct client_config *));
6b3b97e1 2661
6e5ed8bf 2662/* icmp.c */
d758ad8c
TL		 2663OMAPI_OBJECT_ALLOC_DECL (icmp_state, struct icmp_state, dhcp_type_icmp)
2664extern struct icmp_state *icmp_state;
6e5ed8bf 2665void icmp_startup PROTO ((int, void (*) PROTO ((struct iaddr,
fa25cc03 2666 u_int8_t *, int))));
4fe74d72 2667int icmp_readsocket PROTO ((omapi_object_t *));
6e5ed8bf 2668int icmp_echorequest PROTO ((struct iaddr *));
4fe74d72 2669isc_result_t icmp_echoreply PROTO ((omapi_object_t *));
83c1b012
TL		 2670
2671/* dns.c */
7d9784f6 2672#if defined (NSUPDATE)
aa8579c0 2673isc_result_t find_tsig_key (ns_tsig_key **, const char *, struct dns_zone *);
7d9784f6
TL		 2674void tkey_free (ns_tsig_key **);
2675#endif
3f09cb5a
TL		 2676isc_result_t enter_dns_zone (struct dns_zone *);
2677isc_result_t dns_zone_lookup (struct dns_zone **, const char *);
3f09cb5a 2678int dns_zone_dereference PROTO ((struct dns_zone **, const char *, int));
29a026db 2679#if defined (NSUPDATE)
a861af5a
TL		 2680isc_result_t find_cached_zone (const char *, ns_class, char *,
2681 size_t, struct in_addr *, int, int *,
2682 struct dns_zone **);
aa8579c0
TL		 2683void forget_zone (struct dns_zone **);
2684void repudiate_zone (struct dns_zone **);
b2398d97 2685void cache_found_zone (ns_class, char *, struct in_addr *, int);
d758ad8c 2686int get_dhcid (struct data_string *, int, const u_int8_t *, unsigned);
98bd7ca0
DH		 2687isc_result_t ddns_update_fwd(struct data_string *, struct iaddr,
2688 struct data_string *, unsigned long, unsigned,
2689 unsigned);
2690isc_result_t ddns_remove_fwd(struct data_string *,
2691 struct iaddr, struct data_string *);
29a026db 2692#endif /* NSUPDATE */
0c7802b1
TL		 2693
2694/* resolv.c */
2695extern char path_resolv_conf [];
06eb8bab
SK		 2696extern struct name_server *name_servers;
2697extern struct domain_search_list *domains;
0c7802b1
TL		 2698
2699void read_resolv_conf PROTO ((TIME));
94f08824 2700struct name_server *first_name_server PROTO ((void));
2b60cc68
TL		 2701
2702/* inet_addr.c */
2703#ifdef NEED_INET_ATON
27fe61a7 2704int inet_aton PROTO ((const char *, struct in_addr *));
2b60cc68 2705#endif
5a526cf8 2706
102ee7e9 2707/* class.c */
112a6c2c 2708extern int have_billing_classes;
102ee7e9
TL		 2709struct class unknown_class;
2710struct class known_class;
2711struct collection default_collection;
8bdd4d02 2712struct collection *collections;
06eb8bab 2713extern struct executable_statement *default_classification_rules;
102ee7e9
TL		 2714
2715void classification_setup PROTO ((void));
2716void classify_client PROTO ((struct packet *));
da38df14
TL		 2717int check_collection PROTO ((struct packet *, struct lease *,
2718 struct collection *));
102ee7e9 2719void classify PROTO ((struct packet *, struct class *));
899d754f 2720isc_result_t unlink_class PROTO((struct class **class));
20916cae
TL		 2721isc_result_t find_class PROTO ((struct class **, const char *,
2722 const char *, int));
112a6c2c
TL		 2723int unbill_class PROTO ((struct lease *, struct class *));
2724int bill_class PROTO ((struct lease *, struct class *));
2b9b6ff7
TL		 2725
2726/* execute.c */
1b234d44 2727int execute_statements PROTO ((struct binding_value **result,
159bcce3
TL		 2728 struct packet *, struct lease *,
2729 struct client_state *,
4f58da18 2730 struct option_state *, struct option_state *,
6ceb9118 2731 struct binding_scope **,
2b9b6ff7 2732 struct executable_statement *));
1b234d44 2733void execute_statements_in_scope PROTO ((struct binding_value **result,
159bcce3
TL		 2734 struct packet *, struct lease *,
2735 struct client_state *,
112a6c2c 2736 struct option_state *,
2b9b6ff7 2737 struct option_state *,
6ceb9118 2738 struct binding_scope **,
2b9b6ff7 2739 struct group *, struct group *));
7f6ad5ac
TL		 2740int executable_statement_dereference PROTO ((struct executable_statement **,
2741 const char *, int));
2742void write_statements (FILE *, struct executable_statement *, int);
932d739c 2743int find_matching_case (struct executable_statement **,
159bcce3 2744 struct packet *, struct lease *, struct client_state *,
932d739c 2745 struct option_state *, struct option_state *,
6ceb9118 2746 struct binding_scope **,
932d739c 2747 struct expression *, struct executable_statement *);
d758ad8c
TL		 2748int executable_statement_foreach (struct executable_statement *,
2749 int (*) (struct executable_statement *,
2750 void *, int), void *, int);
74f45f96 2751
20916cae 2752/* comapi.c */
4fe74d72 2753extern omapi_object_type_t *dhcp_type_group;
4fe74d72
TL		 2754extern omapi_object_type_t *dhcp_type_shared_network;
2755extern omapi_object_type_t *dhcp_type_subnet;
d758ad8c
TL		 2756extern omapi_object_type_t *dhcp_type_control;
2757extern dhcp_control_object_t *dhcp_control_object;
20916cae
TL		 2758
2759void dhcp_common_objects_setup (void);
2760
2761isc_result_t dhcp_group_set_value (omapi_object_t *, omapi_object_t *,
2762 omapi_data_string_t *,
2763 omapi_typed_data_t *);
2764isc_result_t dhcp_group_get_value (omapi_object_t *, omapi_object_t *,
2765 omapi_data_string_t *,
2766 omapi_value_t **);
2767isc_result_t dhcp_group_destroy (omapi_object_t *, const char *, int);
2768isc_result_t dhcp_group_signal_handler (omapi_object_t *,
2769 const char *, va_list);
2770isc_result_t dhcp_group_stuff_values (omapi_object_t *,
2771 omapi_object_t *,
2772 omapi_object_t *);
2773isc_result_t dhcp_group_lookup (omapi_object_t **,
2774 omapi_object_t *, omapi_object_t *);
2775isc_result_t dhcp_group_create (omapi_object_t **,
2776 omapi_object_t *);
2777isc_result_t dhcp_group_remove (omapi_object_t *,
2778 omapi_object_t *);
2779
d758ad8c
TL		 2780isc_result_t dhcp_control_set_value (omapi_object_t *, omapi_object_t *,
2781 omapi_data_string_t *,
2782 omapi_typed_data_t *);
2783isc_result_t dhcp_control_get_value (omapi_object_t *, omapi_object_t *,
2784 omapi_data_string_t *,
2785 omapi_value_t **);
2786isc_result_t dhcp_control_destroy (omapi_object_t *, const char *, int);
2787isc_result_t dhcp_control_signal_handler (omapi_object_t *,
2788 const char *, va_list);
2789isc_result_t dhcp_control_stuff_values (omapi_object_t *,
2790 omapi_object_t *,
2791 omapi_object_t *);
2792isc_result_t dhcp_control_lookup (omapi_object_t **,
2793 omapi_object_t *, omapi_object_t *);
2794isc_result_t dhcp_control_create (omapi_object_t **,
2795 omapi_object_t *);
2796isc_result_t dhcp_control_remove (omapi_object_t *,
2797 omapi_object_t *);
2798
20916cae
TL		 2799isc_result_t dhcp_subnet_set_value (omapi_object_t *, omapi_object_t *,
2800 omapi_data_string_t *,
2801 omapi_typed_data_t *);
2802isc_result_t dhcp_subnet_get_value (omapi_object_t *, omapi_object_t *,
2803 omapi_data_string_t *,
2804 omapi_value_t **);
2805isc_result_t dhcp_subnet_destroy (omapi_object_t *, const char *, int);
2806isc_result_t dhcp_subnet_signal_handler (omapi_object_t *,
2807 const char *, va_list);
2808isc_result_t dhcp_subnet_stuff_values (omapi_object_t *,
2809 omapi_object_t *,
2810 omapi_object_t *);
2811isc_result_t dhcp_subnet_lookup (omapi_object_t **,
2812 omapi_object_t *, omapi_object_t *);
2813isc_result_t dhcp_subnet_create (omapi_object_t **,
2814 omapi_object_t *);
2815isc_result_t dhcp_subnet_remove (omapi_object_t *,
2816 omapi_object_t *);
2817
2818isc_result_t dhcp_shared_network_set_value (omapi_object_t *,
2819 omapi_object_t *,
2820 omapi_data_string_t *,
2821 omapi_typed_data_t *);
2822isc_result_t dhcp_shared_network_get_value (omapi_object_t *,
2823 omapi_object_t *,
2824 omapi_data_string_t *,
2825 omapi_value_t **);
2826isc_result_t dhcp_shared_network_destroy (omapi_object_t *, const char *, int);
2827isc_result_t dhcp_shared_network_signal_handler (omapi_object_t *,
2828 const char *, va_list);
2829isc_result_t dhcp_shared_network_stuff_values (omapi_object_t *,
2830 omapi_object_t *,
2831 omapi_object_t *);
2832isc_result_t dhcp_shared_network_lookup (omapi_object_t **,
2833 omapi_object_t *, omapi_object_t *);
2834isc_result_t dhcp_shared_network_create (omapi_object_t **,
2835 omapi_object_t *);
2836isc_result_t dhcp_shared_network_remove (omapi_object_t *,
2837 omapi_object_t *);
2838
2839/* omapi.c */
2840extern int (*dhcp_interface_shutdown_hook) (struct interface_info *);
2841
2842extern omapi_object_type_t *dhcp_type_lease;
2843extern omapi_object_type_t *dhcp_type_pool;
4fe74d72 2844extern omapi_object_type_t *dhcp_type_class;
899d754f 2845extern omapi_object_type_t *dhcp_type_subclass;
bdcaf7b9 2846
d9eefc5d
TL		 2847#if defined (FAILOVER_PROTOCOL)
2848extern omapi_object_type_t *dhcp_type_failover_state;
2849extern omapi_object_type_t *dhcp_type_failover_link;
2850extern omapi_object_type_t *dhcp_type_failover_listener;
2851#endif
4fe74d72
TL		 2852
2853void dhcp_db_objects_setup (void);
2854
2855isc_result_t dhcp_lease_set_value (omapi_object_t *, omapi_object_t *,
2856 omapi_data_string_t *,
2857 omapi_typed_data_t *);
2858isc_result_t dhcp_lease_get_value (omapi_object_t *, omapi_object_t *,
2859 omapi_data_string_t *,
2860 omapi_value_t **);
4bd8800e 2861isc_result_t dhcp_lease_destroy (omapi_object_t *, const char *, int);
b1b7b521
TL		 2862isc_result_t dhcp_lease_signal_handler (omapi_object_t *,
2863 const char *, va_list);
4fe74d72
TL		 2864isc_result_t dhcp_lease_stuff_values (omapi_object_t *,
2865 omapi_object_t *,
2866 omapi_object_t *);
2867isc_result_t dhcp_lease_lookup (omapi_object_t **,
2868 omapi_object_t *, omapi_object_t *);
2869isc_result_t dhcp_lease_create (omapi_object_t **,
2870 omapi_object_t *);
ccce1cc6 2871isc_result_t dhcp_lease_remove (omapi_object_t *,
3c48d369 2872 omapi_object_t *);
4fe74d72
TL		 2873isc_result_t dhcp_host_set_value (omapi_object_t *, omapi_object_t *,
2874 omapi_data_string_t *,
2875 omapi_typed_data_t *);
2876isc_result_t dhcp_host_get_value (omapi_object_t *, omapi_object_t *,
2877 omapi_data_string_t *,
2878 omapi_value_t **);
4bd8800e 2879isc_result_t dhcp_host_destroy (omapi_object_t *, const char *, int);
b1b7b521
TL		 2880isc_result_t dhcp_host_signal_handler (omapi_object_t *,
2881 const char *, va_list);
4fe74d72
TL		 2882isc_result_t dhcp_host_stuff_values (omapi_object_t *,
2883 omapi_object_t *,
2884 omapi_object_t *);
2885isc_result_t dhcp_host_lookup (omapi_object_t **,
2886 omapi_object_t *, omapi_object_t *);
2887isc_result_t dhcp_host_create (omapi_object_t **,
2888 omapi_object_t *);
ccce1cc6 2889isc_result_t dhcp_host_remove (omapi_object_t *,
3c48d369 2890 omapi_object_t *);
4fe74d72
TL		 2891isc_result_t dhcp_pool_set_value (omapi_object_t *, omapi_object_t *,
2892 omapi_data_string_t *,
2893 omapi_typed_data_t *);
2894isc_result_t dhcp_pool_get_value (omapi_object_t *, omapi_object_t *,
2895 omapi_data_string_t *,
2896 omapi_value_t **);
4bd8800e 2897isc_result_t dhcp_pool_destroy (omapi_object_t *, const char *, int);
b1b7b521
TL		 2898isc_result_t dhcp_pool_signal_handler (omapi_object_t *,
2899 const char *, va_list);
4fe74d72
TL		 2900isc_result_t dhcp_pool_stuff_values (omapi_object_t *,
2901 omapi_object_t *,
2902 omapi_object_t *);
2903isc_result_t dhcp_pool_lookup (omapi_object_t **,
2904 omapi_object_t *, omapi_object_t *);
2905isc_result_t dhcp_pool_create (omapi_object_t **,
2906 omapi_object_t *);
ccce1cc6 2907isc_result_t dhcp_pool_remove (omapi_object_t *,
3c48d369 2908 omapi_object_t *);
20916cae
TL		 2909isc_result_t dhcp_class_set_value (omapi_object_t *, omapi_object_t *,
2910 omapi_data_string_t *,
2911 omapi_typed_data_t *);
2912isc_result_t dhcp_class_get_value (omapi_object_t *, omapi_object_t *,
2913 omapi_data_string_t *,
2914 omapi_value_t **);
2915isc_result_t dhcp_class_destroy (omapi_object_t *, const char *, int);
2916isc_result_t dhcp_class_signal_handler (omapi_object_t *,
2917 const char *, va_list);
2918isc_result_t dhcp_class_stuff_values (omapi_object_t *,
2919 omapi_object_t *,
2920 omapi_object_t *);
2921isc_result_t dhcp_class_lookup (omapi_object_t **,
2922 omapi_object_t *, omapi_object_t *);
2923isc_result_t dhcp_class_create (omapi_object_t **,
2924 omapi_object_t *);
2925isc_result_t dhcp_class_remove (omapi_object_t *,
2926 omapi_object_t *);
c1f22aef
TL		 2927isc_result_t dhcp_subclass_set_value (omapi_object_t *, omapi_object_t *,
2928 omapi_data_string_t *,
2929 omapi_typed_data_t *);
2930isc_result_t dhcp_subclass_get_value (omapi_object_t *, omapi_object_t *,
2931 omapi_data_string_t *,
2932 omapi_value_t **);
2933isc_result_t dhcp_subclass_destroy (omapi_object_t *, const char *, int);
2934isc_result_t dhcp_subclass_signal_handler (omapi_object_t *,
2935 const char *, va_list);
2936isc_result_t dhcp_subclass_stuff_values (omapi_object_t *,
2937 omapi_object_t *,
2938 omapi_object_t *);
2939isc_result_t dhcp_subclass_lookup (omapi_object_t **,
2940 omapi_object_t *, omapi_object_t *);
2941isc_result_t dhcp_subclass_create (omapi_object_t **,
2942 omapi_object_t *);
2943isc_result_t dhcp_subclass_remove (omapi_object_t *,
2944 omapi_object_t *);
20916cae
TL		 2945isc_result_t dhcp_interface_set_value (omapi_object_t *,
2946 omapi_object_t *,
2947 omapi_data_string_t *,
2948 omapi_typed_data_t *);
2949isc_result_t dhcp_interface_get_value (omapi_object_t *,
2950 omapi_object_t *,
2951 omapi_data_string_t *,
2952 omapi_value_t **);
2953isc_result_t dhcp_interface_destroy (omapi_object_t *,
2954 const char *, int);
2955isc_result_t dhcp_interface_signal_handler (omapi_object_t *,
2956 const char *,
2957 va_list ap);
2958isc_result_t dhcp_interface_stuff_values (omapi_object_t *,
2959 omapi_object_t *,
2960 omapi_object_t *);
2961isc_result_t dhcp_interface_lookup (omapi_object_t **,
2962 omapi_object_t *,
2963 omapi_object_t *);
2964isc_result_t dhcp_interface_create (omapi_object_t **,
2965 omapi_object_t *);
2966isc_result_t dhcp_interface_remove (omapi_object_t *,
2967 omapi_object_t *);
f3aad410
TL		 2968void interface_stash (struct interface_info *);
2969void interface_snorf (struct interface_info *, int);
4fe74d72 2970
d758ad8c
TL		 2971isc_result_t binding_scope_set_value (struct binding_scope *, int,
2972 omapi_data_string_t *,
2973 omapi_typed_data_t *);
2974isc_result_t binding_scope_get_value (omapi_value_t **,
2975 struct binding_scope *,
2976 omapi_data_string_t *);
2977isc_result_t binding_scope_stuff_values (omapi_object_t *,
2978 struct binding_scope *);
2979
6368a1bd
DH		 2980void register_eventhandler(struct eventqueue **, void (*handler)(void *));
2981void unregister_eventhandler(struct eventqueue **, void (*handler)(void *));
2982void trigger_event(struct eventqueue **);
2983
940ea8ab
TL		 2984/* mdb.c */
2985
8c8e27c5
TL		 2986extern struct subnet *subnets;
2987extern struct shared_network *shared_networks;
98311e4b
DH		 2988extern host_hash_t *host_hw_addr_hash;
2989extern host_hash_t *host_uid_hash;
2990extern host_hash_t *host_name_hash;
6708d944
DH		 2991extern lease_id_hash_t *lease_uid_hash;
2992extern lease_ip_hash_t *lease_ip_addr_hash;
2993extern lease_id_hash_t *lease_hw_addr_hash;
940ea8ab
TL		 2994
2995extern omapi_object_type_t *dhcp_type_host;
2996
f3fe382d
JB		 2997extern int numclasseswritten;
2998
2999
899d754f
JB		 3000isc_result_t enter_class PROTO ((struct class *, int, int));
3001isc_result_t delete_class PROTO ((struct class *, int));
940ea8ab 3002isc_result_t enter_host PROTO ((struct host_decl *, int, int));
fde86d2d 3003isc_result_t delete_host PROTO ((struct host_decl *, int));
98bd7ca0 3004void change_host_uid(struct host_decl *host, const char *data, int len);
20916cae
TL		 3005int find_hosts_by_haddr PROTO ((struct host_decl **, int,
3006 const unsigned char *, unsigned,
3007 const char *, int));
3008int find_hosts_by_uid PROTO ((struct host_decl **, const unsigned char *,
3009 unsigned, const char *, int));
98bd7ca0
DH		 3010int find_hosts_by_option(struct host_decl **, struct packet *,
3011 struct option_state *, const char *, int);
20916cae
TL		 3012int find_host_for_network PROTO ((struct subnet **, struct host_decl **,
3013 struct iaddr *, struct shared_network *));
98311e4b
DH		 3014void new_address_range PROTO ((struct parse *, struct iaddr, struct iaddr,
3015 struct subnet *, struct pool *,
3016 struct lease **));
20916cae 3017isc_result_t dhcp_lease_free (omapi_object_t *, const char *, int);
932d739c 3018isc_result_t dhcp_lease_get (omapi_object_t **, const char *, int);
20916cae
TL		 3019int find_grouped_subnet PROTO ((struct subnet **, struct shared_network *,
3020 struct iaddr, const char *, int));
98bd7ca0 3021int find_subnet(struct subnet **, struct iaddr, const char *, int);
940ea8ab 3022void enter_shared_network PROTO ((struct shared_network *));
70984280
TL		 3023void new_shared_network_interface PROTO ((struct parse *,
3024 struct shared_network *,
4bd8800e 3025 const char *));
98bd7ca0 3026int subnet_inner_than(const struct subnet *, const struct subnet *, int);
940ea8ab
TL		 3027void enter_subnet PROTO ((struct subnet *));
3028void enter_lease PROTO ((struct lease *));
007e3ee4 3029int supersede_lease PROTO ((struct lease *, struct lease *, int, int, int));
e540864e 3030void make_binding_state_transition (struct lease *);
20916cae 3031int lease_copy PROTO ((struct lease **, struct lease *, const char *, int));
e495b7d1 3032void release_lease PROTO ((struct lease *, struct packet *));
b1b7b521 3033void abandon_lease PROTO ((struct lease *, const char *));
940ea8ab 3034void dissociate_lease PROTO ((struct lease *));
a414e627 3035void pool_timer PROTO ((void *));
20916cae
TL		 3036int find_lease_by_uid PROTO ((struct lease **, const unsigned char *,
3037 unsigned, const char *, int));
3038int find_lease_by_hw_addr PROTO ((struct lease **, const unsigned char *,
3039 unsigned, const char *, int));
3040int find_lease_by_ip_addr PROTO ((struct lease **, struct iaddr,
3041 const char *, int));
940ea8ab
TL		 3042void uid_hash_add PROTO ((struct lease *));
3043void uid_hash_delete PROTO ((struct lease *));
3044void hw_hash_add PROTO ((struct lease *));
3045void hw_hash_delete PROTO ((struct lease *));
d758ad8c 3046int write_leases PROTO ((void));
98bd7ca0 3047int write_leases6(void);
d0411fbd 3048int lease_enqueue (struct lease *);
f7fdb216 3049isc_result_t lease_instantiate(const void *, unsigned, void *);
a414e627 3050void expire_all_pools PROTO ((void));
940ea8ab 3051void dump_subnets PROTO ((void));
d758ad8c
TL		 3052#if defined (DEBUG_MEMORY_LEAKAGE) || \
3053 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
3054void free_everything (void);
3055#endif
9ba7cdec
TL		 3056
3057/* nsupdate.c */
3058char *ddns_rev_name (struct lease *, struct lease_state *, struct packet *);
3059char *ddns_fwd_name (struct lease *, struct lease_state *, struct packet *);
3060int nsupdateA (const char *, const unsigned char *, u_int32_t, int);
3061int nsupdatePTR (const char *, const unsigned char *, u_int32_t, int);
3062void nsupdate (struct lease *, struct lease_state *, struct packet *, int);
3063int updateA (const struct data_string *, const struct data_string *,
3064 unsigned int, struct lease *);
3065int updatePTR (const struct data_string *, const struct data_string *,
3066 unsigned int, struct lease *);
91dc2849
TL		 3067int deleteA (const struct data_string *, const struct data_string *,
3068 struct lease *);
3069int deletePTR (const struct data_string *, const struct data_string *,
3070 struct lease *);
d9eefc5d
TL		 3071
3072/* failover.c */
3073#if defined (FAILOVER_PROTOCOL)
d758ad8c 3074extern dhcp_failover_state_t *failover_states;
aa8579c0 3075void dhcp_failover_startup PROTO ((void));
d758ad8c 3076int dhcp_failover_write_all_states (void);
aa8579c0
TL		 3077isc_result_t enter_failover_peer PROTO ((dhcp_failover_state_t *));
3078isc_result_t find_failover_peer PROTO ((dhcp_failover_state_t **,
20916cae 3079 const char *, const char *, int));
d9eefc5d
TL		 3080isc_result_t dhcp_failover_link_initiate PROTO ((omapi_object_t *));
3081isc_result_t dhcp_failover_link_signal PROTO ((omapi_object_t *,
3082 const char *, va_list));
3083isc_result_t dhcp_failover_link_set_value PROTO ((omapi_object_t *,
3084 omapi_object_t *,
3085 omapi_data_string_t *,
3086 omapi_typed_data_t *));
3087isc_result_t dhcp_failover_link_get_value PROTO ((omapi_object_t *,
3088 omapi_object_t *,
3089 omapi_data_string_t *,
3090 omapi_value_t **));
3091isc_result_t dhcp_failover_link_destroy PROTO ((omapi_object_t *,
4bd8800e 3092 const char *, int));
d9eefc5d
TL		 3093isc_result_t dhcp_failover_link_stuff_values PROTO ((omapi_object_t *,
3094 omapi_object_t *,
3095 omapi_object_t *));
3096isc_result_t dhcp_failover_listen PROTO ((omapi_object_t *));
3097
3098isc_result_t dhcp_failover_listener_signal PROTO ((omapi_object_t *,
3099 const char *,
3100 va_list));
3101isc_result_t dhcp_failover_listener_set_value PROTO ((omapi_object_t *,
3102 omapi_object_t *,
3103 omapi_data_string_t *,
3104 omapi_typed_data_t *));
3105isc_result_t dhcp_failover_listener_get_value PROTO ((omapi_object_t *,
3106 omapi_object_t *,
3107 omapi_data_string_t *,
3108 omapi_value_t **));
3109isc_result_t dhcp_failover_listener_destroy PROTO ((omapi_object_t *,
4bd8800e 3110 const char *, int));
d9eefc5d
TL		 3111isc_result_t dhcp_failover_listener_stuff PROTO ((omapi_object_t *,
3112 omapi_object_t *,
3113 omapi_object_t *));
3114isc_result_t dhcp_failover_register PROTO ((omapi_object_t *));
3115isc_result_t dhcp_failover_state_signal PROTO ((omapi_object_t *,
3116 const char *, va_list));
aa8579c0
TL		 3117isc_result_t dhcp_failover_state_transition (dhcp_failover_state_t *,
3118 const char *);
c489f075 3119isc_result_t dhcp_failover_set_service_state (dhcp_failover_state_t *state);
aa8579c0
TL		 3120isc_result_t dhcp_failover_set_state (dhcp_failover_state_t *,
3121 enum failover_state);
c489f075
TL		 3122isc_result_t dhcp_failover_peer_state_changed (dhcp_failover_state_t *,
3123 failover_message_t *);
2426234f
DH		 3124void dhcp_failover_pool_rebalance (void *);
3125void dhcp_failover_pool_check (struct pool *);
8c8e27c5 3126int dhcp_failover_state_pool_check (dhcp_failover_state_t *);
d0411fbd
TL		 3127void dhcp_failover_timeout (void *);
3128void dhcp_failover_send_contact (void *);
8d3aec71 3129isc_result_t dhcp_failover_send_state (dhcp_failover_state_t *);
a7982987 3130isc_result_t dhcp_failover_send_updates (dhcp_failover_state_t *);
007e3ee4 3131int dhcp_failover_queue_update (struct lease *, int);
988c1ca7 3132int dhcp_failover_send_acks (dhcp_failover_state_t *);
af5ad6df 3133void dhcp_failover_toack_queue_timeout (void *);
988c1ca7 3134int dhcp_failover_queue_ack (dhcp_failover_state_t *, failover_message_t *msg);
f9d43a9a 3135void dhcp_failover_ack_queue_remove (dhcp_failover_state_t *, struct lease *);
d9eefc5d
TL		 3136isc_result_t dhcp_failover_state_set_value PROTO ((omapi_object_t *,
3137 omapi_object_t *,
3138 omapi_data_string_t *,
3139 omapi_typed_data_t *));
aa8579c0 3140void dhcp_failover_keepalive (void *);
a7982987 3141void dhcp_failover_reconnect (void *);
c489f075 3142void dhcp_failover_startup_timeout (void *);
8d3aec71 3143void dhcp_failover_link_startup_timeout (void *);
a7982987 3144void dhcp_failover_listener_restart (void *);
d9eefc5d
TL		 3145isc_result_t dhcp_failover_state_get_value PROTO ((omapi_object_t *,
3146 omapi_object_t *,
3147 omapi_data_string_t *,
3148 omapi_value_t **));
3149isc_result_t dhcp_failover_state_destroy PROTO ((omapi_object_t *,
4bd8800e 3150 const char *, int));
d9eefc5d
TL		 3151isc_result_t dhcp_failover_state_stuff PROTO ((omapi_object_t *,
3152 omapi_object_t *,
3153 omapi_object_t *));
35e0fdf8
TL		 3154isc_result_t dhcp_failover_state_lookup PROTO ((omapi_object_t **,
3155 omapi_object_t *,
3156 omapi_object_t *));
3157isc_result_t dhcp_failover_state_create PROTO ((omapi_object_t **,
3158 omapi_object_t *));
3159isc_result_t dhcp_failover_state_remove PROTO ((omapi_object_t *,
3160 omapi_object_t *));
a7982987 3161int dhcp_failover_state_match (dhcp_failover_state_t *, u_int8_t *, unsigned);
a55ccdd0
DH		 3162int dhcp_failover_state_match_by_name(dhcp_failover_state_t *,
3163 failover_option_t *);
a7982987
TL		 3164const char *dhcp_failover_reject_reason_print (int);
3165const char *dhcp_failover_state_name_print (enum failover_state);
af380050
TL		 3166const char *dhcp_failover_message_name (unsigned);
3167const char *dhcp_failover_option_name (unsigned);
165bce70
TL		 3168failover_option_t *dhcp_failover_option_printf (unsigned, char *,
3169 unsigned *,
3170 unsigned,
72896e9f
TL		 3171 const char *, ...)
3172 __attribute__((__format__(__printf__,5,6)));
3173failover_option_t *dhcp_failover_make_option (unsigned, char *,
3174 unsigned *, unsigned, ...);
165bce70 3175isc_result_t dhcp_failover_put_message (dhcp_failover_link_t *,
a55ccdd0 3176 omapi_object_t *, int, u_int32_t, ...);
35e0fdf8 3177isc_result_t dhcp_failover_send_connect PROTO ((omapi_object_t *));
007e3ee4
TL		 3178isc_result_t dhcp_failover_send_connectack PROTO ((omapi_object_t *,
3179 dhcp_failover_state_t *,
3180 int, const char *));
a7982987
TL		 3181isc_result_t dhcp_failover_send_disconnect PROTO ((omapi_object_t *,
3182 int, const char *));
3183isc_result_t dhcp_failover_send_bind_update (dhcp_failover_state_t *,
3184 struct lease *);
8c8e27c5 3185isc_result_t dhcp_failover_send_bind_ack (dhcp_failover_state_t *,
988c1ca7 3186 failover_message_t *,
8c8e27c5
TL		 3187 int, const char *);
3188isc_result_t dhcp_failover_send_poolreq (dhcp_failover_state_t *);
3189isc_result_t dhcp_failover_send_poolresp (dhcp_failover_state_t *, int);
c489f075
TL		 3190isc_result_t dhcp_failover_send_update_request (dhcp_failover_state_t *);
3191isc_result_t dhcp_failover_send_update_request_all (dhcp_failover_state_t *);
3192isc_result_t dhcp_failover_send_update_done (dhcp_failover_state_t *);
8c8e27c5
TL		 3193isc_result_t dhcp_failover_process_bind_update (dhcp_failover_state_t *,
3194 failover_message_t *);
3195isc_result_t dhcp_failover_process_bind_ack (dhcp_failover_state_t *,
3196 failover_message_t *);
c489f075
TL		 3197isc_result_t dhcp_failover_generate_update_queue (dhcp_failover_state_t *,
3198 int);
3199isc_result_t dhcp_failover_process_update_request (dhcp_failover_state_t *,
3200 failover_message_t *);
3201isc_result_t dhcp_failover_process_update_request_all (dhcp_failover_state_t *,
3202 failover_message_t *);
3203isc_result_t dhcp_failover_process_update_done (dhcp_failover_state_t *,
3204 failover_message_t *);
1d17db44 3205void ia_remove_all_lease(struct ia_xx *ia, const char *file, int line);
c489f075 3206void dhcp_failover_recover_done (void *);
35e0fdf8 3207void failover_print PROTO ((char *, unsigned *, unsigned, const char *));
5b7f941d 3208void update_partner PROTO ((struct lease *));
aa8579c0 3209int load_balance_mine (struct packet *, dhcp_failover_state_t *);
2426234f 3210int peer_wants_lease (struct lease *);
e540864e
TL		 3211binding_state_t normal_binding_state_transition_check (struct lease *,
3212 dhcp_failover_state_t *,
31bbee78
TL		 3213 binding_state_t,
3214 u_int32_t);
e540864e
TL		 3215binding_state_t
3216conflict_binding_state_transition_check (struct lease *,
3217 dhcp_failover_state_t *,
31bbee78 3218 binding_state_t, u_int32_t);
c489f075 3219int lease_mine_to_reallocate (struct lease *);
007e3ee4 3220
20916cae
TL		 3221OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_state, dhcp_failover_state_t,
3222 dhcp_type_failover_state)
3223OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_listener, dhcp_failover_listener_t,
3224 dhcp_type_failover_listener)
3225OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_link, dhcp_failover_link_t,
57c8fdd7 3226 dhcp_type_failover_link)
d9eefc5d 3227#endif /* FAILOVER_PROTOCOL */
e540864e
TL		 3228
3229const char *binding_state_print (enum failover_state);
98bd7ca0
DH		 3230
3231
3232/* mdb6.c */
9322442f 3233HASH_FUNCTIONS_DECL(ia, unsigned char *, struct ia_xx, ia_hash_t);
1d17db44
FD		 3234HASH_FUNCTIONS_DECL(iasubopt, struct in6_addr *, struct iasubopt,
3235 iasubopt_hash_t);
98bd7ca0 3236
1d17db44
FD		 3237isc_result_t iasubopt_allocate(struct iasubopt **iasubopt,
3238 const char *file, int line);
3239isc_result_t iasubopt_reference(struct iasubopt **iasubopt,
3240 struct iasubopt *src,
98bd7ca0 3241 const char *file, int line);
1d17db44
FD		 3242isc_result_t iasubopt_dereference(struct iasubopt **iasubopt,
3243 const char *file, int line);
98bd7ca0 3244
1d9774ab
FD		 3245isc_result_t ia_make_key(struct data_string *key, u_int32_t iaid,
3246 const char *duid, unsigned int duid_len,
3247 const char *file, int line);
9322442f
FD		 3248isc_result_t ia_allocate(struct ia_xx **ia, u_int32_t iaid,
3249 const char *duid, unsigned int duid_len,
98bd7ca0 3250 const char *file, int line);
9322442f
FD		 3251isc_result_t ia_reference(struct ia_xx **ia, struct ia_xx *src,
3252 const char *file, int line);
3253isc_result_t ia_dereference(struct ia_xx **ia,
1d9774ab 3254 const char *file, int line);
1d17db44
FD		 3255isc_result_t ia_add_iasubopt(struct ia_xx *ia, struct iasubopt *iasubopt,
3256 const char *file, int line);
3257void ia_remove_iasubopt(struct ia_xx *ia, struct iasubopt *iasubopt,
3258 const char *file, int line);
9322442f 3259isc_boolean_t ia_equal(const struct ia_xx *a, const struct ia_xx *b);
1d9774ab 3260
9322442f
FD		 3261isc_result_t ipv6_pool_allocate(struct ipv6_pool **pool, u_int16_t type,
3262 const struct in6_addr *start_addr,
3263 int bits, int units,
98bd7ca0
DH		 3264 const char *file, int line);
3265isc_result_t ipv6_pool_reference(struct ipv6_pool **pool,
3266 struct ipv6_pool *src,
3267 const char *file, int line);
3268isc_result_t ipv6_pool_dereference(struct ipv6_pool **pool,
3269 const char *file, int line);
5d89d60f 3270isc_result_t create_lease6(struct ipv6_pool *pool,
1d17db44 3271 struct iasubopt **addr,
5d89d60f
FD		 3272 unsigned int *attempts,
3273 const struct data_string *uid,
3274 time_t soft_lifetime_end_time);
98bd7ca0 3275isc_result_t add_lease6(struct ipv6_pool *pool,
1d17db44 3276 struct iasubopt *lease,
98bd7ca0 3277 time_t valid_lifetime_end_time);
1d17db44
FD		 3278isc_result_t renew_lease6(struct ipv6_pool *pool, struct iasubopt *lease);
3279isc_result_t expire_lease6(struct iasubopt **leasep,
98bd7ca0 3280 struct ipv6_pool *pool, time_t now);
1d17db44
FD		 3281isc_result_t release_lease6(struct ipv6_pool *pool, struct iasubopt *lease);
3282isc_result_t decline_lease6(struct ipv6_pool *pool, struct iasubopt *lease);
98bd7ca0
DH		 3283isc_boolean_t lease6_exists(const struct ipv6_pool *pool,
3284 const struct in6_addr *addr);
9322442f
FD		 3285isc_result_t mark_lease_unavailble(struct ipv6_pool *pool,
3286 const struct in6_addr *addr);
98bd7ca0 3287
9322442f 3288isc_result_t create_prefix6(struct ipv6_pool *pool,
1d17db44 3289 struct iasubopt **pref,
5d89d60f
FD		 3290 unsigned int *attempts,
3291 const struct data_string *uid,
3292 time_t soft_lifetime_end_time);
9322442f 3293isc_boolean_t prefix6_exists(const struct ipv6_pool *pool,
1d9774ab
FD		 3294 const struct in6_addr *pref, u_int8_t plen);
3295
98bd7ca0 3296isc_result_t add_ipv6_pool(struct ipv6_pool *pool);
9322442f 3297isc_result_t find_ipv6_pool(struct ipv6_pool **pool, u_int16_t type,
98bd7ca0 3298 const struct in6_addr *addr);
9322442f
FD		 3299isc_boolean_t ipv6_in_pool(const struct in6_addr *addr,
3300 const struct ipv6_pool *pool);
3301
3302isc_result_t renew_leases(struct ia_xx *ia);
3303isc_result_t release_leases(struct ia_xx *ia);
3304isc_result_t decline_leases(struct ia_xx *ia);
d9b43370
SK		 3305void schedule_lease_timeout(struct ipv6_pool *pool);
3306void schedule_all_ipv6_lease_timeouts();
98bd7ca0
DH		 3307
3308void mark_hosts_unavailable(void);
80c9fdb0 3309void mark_phosts_unavailable(void);
98bd7ca0
DH		 3310void mark_interfaces_unavailable(void);
3311
Mirror of https://github.com/isc-projects/dhcp.git