3 Definitions for dhcpd... */
6 * Copyright (c) 2004-2007 by Internet Systems Consortium, Inc. ("ISC")
7 * Copyright (c) 1996-2003 by Internet Software Consortium
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.
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.
21 * Internet Systems Consortium, Inc.
23 * Redwood City, CA 94063
27 * This software has been written for Internet Systems Consortium
28 * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
29 * To learn more about Internet Systems Consortium, see
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''.
36 #include <sys/types.h>
37 #include <netinet/in.h>
38 #include <sys/socket.h>
40 #include <arpa/inet.h>
44 #define fd_set cygwin_fd_set
45 #include <sys/types.h>
59 #include "arpa/nameser.h"
60 #if defined (NSUPDATE)
61 # include "minires/minires.h"
65 typedef struct hash_table group_hash_t
;
66 typedef struct hash_table universe_hash_t
;
67 typedef struct hash_table option_name_hash_t
;
68 typedef struct hash_table option_code_hash_t
;
69 typedef struct hash_table dns_zone_hash_t
;
70 typedef struct hash_table lease_ip_hash_t
;
71 typedef struct hash_table lease_id_hash_t
;
72 typedef struct hash_table host_hash_t
;
73 typedef struct hash_table class_hash_t
;
76 #include "statement.h"
81 #include <isc-dhcp/result.h>
82 #include <omapip/omapip_p.h>
84 #if !defined (BYTE_NAME_HASH_SIZE)
85 # define BYTE_NAME_HASH_SIZE 401 /* Default would be rediculous. */
87 #if !defined (BYTE_CODE_HASH_SIZE)
88 # define BYTE_CODE_HASH_SIZE 254 /* Default would be rediculous. */
91 /* Although it is highly improbable that a 16-bit option space might
92 * actually use 2^16 actual defined options, it is the worst case
93 * scenario we must prepare for. Having 4 options per bucket in this
94 * case is pretty reasonable.
96 #if !defined (WORD_NAME_HASH_SIZE)
97 # define WORD_NAME_HASH_SIZE 20479
99 #if !defined (WORD_CODE_HASH_SIZE)
100 # define WORD_CODE_HASH_SIZE 16384
103 /* Not only is it improbable that the 32-bit spaces might actually use 2^32
104 * defined options, it is infeasable. It would be best for this kind of
105 * space to be dynamically sized. Instead we size it at the word hash's
108 #if !defined (QUAD_NAME_HASH_SIZE)
109 # define QUAD_NAME_HASH_SIZE WORD_NAME_HASH_SIZE
111 #if !defined (QUAD_CODE_HASH_SIZE)
112 # define QUAD_CODE_HASH_SIZE WORD_CODE_HASH_SIZE
115 #if !defined (DNS_HASH_SIZE)
116 # define DNS_HASH_SIZE 0 /* Default. */
119 /* Default size to use for name/code hashes on user-defined option spaces. */
120 #if !defined (DEFAULT_SPACE_HASH_SIZE)
121 # define DEFAULT_SPACE_HASH_SIZE 11
124 #if !defined (NWIP_HASH_SIZE)
125 # define NWIP_HASH_SIZE 17 /* A really small table. */
128 #if !defined (FQDN_HASH_SIZE)
129 # define FQDN_HASH_SIZE 13 /* A rediculously small table. */
132 /* I really doubt a given installation is going to have more than a few
133 * hundred vendors involved.
135 #if !defined (VIVCO_HASH_SIZE)
136 # define VIVCO_HASH_SIZE 127
139 #if !defined (VIVSO_HASH_SIZE)
140 # define VIVSO_HASH_SIZE VIVCO_HASH_SIZE
143 #if !defined (VIV_ISC_HASH_SIZE)
144 # define VIV_ISC_HASH_SIZE 3 /* An incredulously small table. */
147 #if !defined (UNIVERSE_HASH_SIZE)
148 # define UNIVERSE_HASH_SIZE 13 /* A really small table. */
151 #if !defined (GROUP_HASH_SIZE)
152 # define GROUP_HASH_SIZE 0 /* Default. */
155 /* At least one person has indicated they use ~20k host records.
157 #if !defined (HOST_HASH_SIZE)
158 # define HOST_HASH_SIZE 22501
161 /* We have user reports of use of ISC DHCP numbering leases in the 200k's.
163 * We also have reports of folks using 10.0/8 as a dynamic range. The
164 * following is something of a compromise between the two. At the ~2-3
165 * hundred thousand leases, there's ~2-3 leases to search in each bucket.
167 #if !defined (LEASE_HASH_SIZE)
168 # define LEASE_HASH_SIZE 100003
171 /* It is not known what the worst case subclass hash size is. We estimate
174 #if !defined (SCLASS_HASH_SIZE)
175 # define SCLASS_HASH_SIZE 12007
178 #if !defined (AGENT_HASH_SIZE)
179 # define AGENT_HASH_SIZE 11 /* A really small table. */
182 /* The server hash size is used for both names and codes. There aren't
183 * many (roughly 50 at the moment), so we use a smaller table. If we
184 * use a 1:1 table size, then we get name collisions due to poor name
185 * hashing. So we use double the space we need, which drastically
186 * reduces collisions.
188 #if !defined (SERVER_HASH_SIZE)
189 # define SERVER_HASH_SIZE (2*(sizeof(server_options) / sizeof(struct option)))
193 /* How many options are likely to appear in a single packet? */
194 #if !defined (OPTION_HASH_SIZE)
195 # define OPTION_HASH_SIZE 17
196 # define OPTION_HASH_PTWO 32 /* Next power of two above option hash. */
197 # define OPTION_HASH_EXP 5 /* The exponent for that power of two. */
200 #define compute_option_hash(x) \
201 (((x) & (OPTION_HASH_PTWO - 1)) + \
202 (((x) >> OPTION_HASH_EXP) & \
203 (OPTION_HASH_PTWO - 1))) % OPTION_HASH_SIZE;
205 enum dhcp_shutdown_state
{
207 shutdown_omapi_connections
,
208 shutdown_drop_omapi_connections
,
213 /* Client FQDN option, failover FQDN option, etc. */
220 #include "failover.h"
222 /* A parsing context. */
239 enum dhcp_token token
;
246 char comments
[4096];
249 int warnings_occurred
;
252 unsigned bufix
, buflen
;
256 /* Variable-length array of data. */
259 struct string_list
*next
;
263 /* A name server, from /etc/resolv.conf. */
265 struct name_server
*next
;
266 struct sockaddr_in addr
;
270 /* A domain search list element. */
271 struct domain_search_list
{
272 struct domain_search_list
*next
;
277 /* Option tag structures are used to build chains of option tags, for
278 when we're sure we're not going to have enough of them to justify
279 maintaining an array. */
282 struct option_tag
*next
;
286 /* An agent option structure. We need a special structure for the
287 Relay Agent Information option because if more than one appears in
288 a message, we have to keep them separate. */
290 struct agent_options
{
291 struct agent_options
*next
;
293 struct option_tag
*first
;
296 struct option_cache
{
298 struct option_cache
*next
;
299 struct expression
*expression
;
300 struct option
*option
;
301 struct data_string data
;
303 #define OPTION_HAD_NULLS 0x00000001
307 struct option_state
{
312 VOIDPTR universes
[1];
315 /* A dhcp packet and the pointers to its option values. */
317 struct dhcp_packet
*raw
;
319 unsigned packet_length
;
323 struct iaddr client_addr
;
324 struct interface_info
*interface
; /* Interface on which packet
326 struct hardware
*haddr
; /* Physical link address
327 of local sender (maybe gateway). */
329 /* Information for relay agent options (see
330 draft-ietf-dhc-agent-options-xx.txt). */
331 u_int8_t
*circuit_id
; /* Circuit ID of client connection. */
333 u_int8_t
*remote_id
; /* Remote ID of client. */
336 int got_requested_address
; /* True if client sent the
337 dhcp-requested-address option. */
339 struct shared_network
*shared_network
;
340 struct option_state
*options
;
342 #if !defined (PACKET_MAX_CLASSES)
343 # define PACKET_MAX_CLASSES 5
346 struct class *classes
[PACKET_MAX_CLASSES
];
351 /* If we stash agent options onto the packet option state, to pretend
352 * options we got in a previous exchange were still there, we need
353 * to signal this in a reliable way.
355 isc_boolean_t agent_options_stashed
;
358 /* A network interface's MAC address. */
369 server_hibernate
= 3,
371 } control_object_state_t
;
374 OMAPI_OBJECT_PREAMBLE
;
375 control_object_state_t state
;
376 } dhcp_control_object_t
;
381 #define FTS_EXPIRED 3
382 #define FTS_RELEASED 4
383 #define FTS_ABANDONED 5
386 typedef u_int8_t binding_state_t
;
388 /* FTS_LAST is the highest value that is valid for a lease binding state. */
389 #define FTS_LAST FTS_BACKUP
391 /* A dhcp lease declaration structure. */
393 OMAPI_OBJECT_PREAMBLE
;
395 struct lease
*n_uid
, *n_hw
;
397 struct iaddr ip_addr
;
398 TIME starts
, ends
, sort_time
;
399 char *client_hostname
;
400 struct binding_scope
*scope
;
401 struct host_decl
*host
;
402 struct subnet
*subnet
;
404 struct class *billing_class
;
405 struct option_chain_head
*agent_options
;
407 struct executable_statement
*on_expiry
;
408 struct executable_statement
*on_commit
;
409 struct executable_statement
*on_release
;
412 unsigned short uid_len
;
413 unsigned short uid_max
;
414 unsigned char uid_buf
[7];
415 struct hardware hardware_addr
;
418 # define STATIC_LEASE 1
419 # define BOOTP_LEASE 2
420 # define RESERVED_LEASE 4
421 # define MS_NULL_TERMINATION 8
422 # define ON_UPDATE_QUEUE 16
423 # define ON_ACK_QUEUE 32
424 # define ON_QUEUE (ON_UPDATE_QUEUE | ON_ACK_QUEUE)
425 # define UNICAST_BROADCAST_HACK 64
426 # define ON_DEFERRED_QUEUE 128
428 /* Persistent flags are to be preserved on a given lease structure. */
429 # define PERSISTENT_FLAGS (ON_ACK_QUEUE | ON_UPDATE_QUEUE)
430 /* Ephemeral flags are to be preserved on a given lease (copied etc). */
431 # define EPHEMERAL_FLAGS (MS_NULL_TERMINATION | \
432 UNICAST_BROADCAST_HACK | \
436 binding_state_t binding_state
;
437 binding_state_t next_binding_state
;
438 binding_state_t desired_binding_state
;
440 struct lease_state
*state
;
442 /* 'tsfp' is more of an 'effective' tsfp. It may be calculated from
443 * stos+mclt for example if it's an expired lease and the server is
444 * in partner-down state. 'atsfp' is zeroed whenever a lease is
445 * updated - and only set when the peer acknowledges it. This
446 * ensures every state change is transmitted.
448 TIME tstp
; /* Time sent to partner. */
449 TIME tsfp
; /* Time sent from partner. */
450 TIME atsfp
; /* Actual time sent from partner. */
451 TIME cltt
; /* Client last transaction time. */
452 u_int32_t last_xid
; /* XID we sent in this lease's BNDUPD */
453 struct lease
*next_pending
;
457 struct lease_state
*next
;
459 struct interface_info
*ip
;
461 struct packet
*packet
; /* The incoming packet. */
465 struct option_state
*options
;
466 struct data_string parameter_request_list
;
467 int max_message_size
;
468 unsigned char expiry
[4], renewal
[4], rebind
[4];
469 struct data_string filename
, server_name
;
470 int got_requested_address
;
471 int got_server_identifier
;
472 struct shared_network
*shared_network
; /* Shared network of interface
473 on which request arrived. */
477 u_int16_t bootp_flags
;
478 struct in_addr ciaddr
;
479 struct in_addr siaddr
;
480 struct in_addr giaddr
;
488 #define SHARED_NET_DECL 2
489 #define SUBNET_DECL 3
494 /* Possible modes in which discover_interfaces can run. */
496 #define DISCOVER_RUNNING 0
497 #define DISCOVER_SERVER 1
498 #define DISCOVER_UNCONFIGURED 2
499 #define DISCOVER_RELAY 3
500 #define DISCOVER_REQUESTED 4
502 /* Server option names. */
504 #define SV_DEFAULT_LEASE_TIME 1
505 #define SV_MAX_LEASE_TIME 2
506 #define SV_MIN_LEASE_TIME 3
507 #define SV_BOOTP_LEASE_CUTOFF 4
508 #define SV_BOOTP_LEASE_LENGTH 5
509 #define SV_BOOT_UNKNOWN_CLIENTS 6
510 #define SV_DYNAMIC_BOOTP 7
511 #define SV_ALLOW_BOOTP 8
512 #define SV_ALLOW_BOOTING 9
513 #define SV_ONE_LEASE_PER_CLIENT 10
514 #define SV_GET_LEASE_HOSTNAMES 11
515 #define SV_USE_HOST_DECL_NAMES 12
516 #define SV_USE_LEASE_ADDR_FOR_DEFAULT_ROUTE 13
517 #define SV_MIN_SECS 14
518 #define SV_FILENAME 15
519 #define SV_SERVER_NAME 16
520 #define SV_NEXT_SERVER 17
521 #define SV_AUTHORITATIVE 18
522 #define SV_VENDOR_OPTION_SPACE 19
523 #define SV_ALWAYS_REPLY_RFC1048 20
524 #define SV_SITE_OPTION_SPACE 21
525 #define SV_ALWAYS_BROADCAST 22
526 #define SV_DDNS_DOMAIN_NAME 23
527 #define SV_DDNS_HOST_NAME 24
528 #define SV_DDNS_REV_DOMAIN_NAME 25
529 #define SV_LEASE_FILE_NAME 26
530 #define SV_PID_FILE_NAME 27
531 #define SV_DUPLICATES 28
532 #define SV_DECLINES 29
533 #define SV_DDNS_UPDATES 30
534 #define SV_OMAPI_PORT 31
535 #define SV_LOCAL_PORT 32
536 #define SV_LIMITED_BROADCAST_ADDRESS 33
537 #define SV_REMOTE_PORT 34
538 #define SV_LOCAL_ADDRESS 35
539 #define SV_OMAPI_KEY 36
540 #define SV_STASH_AGENT_OPTIONS 37
541 #define SV_DDNS_TTL 38
542 #define SV_DDNS_UPDATE_STYLE 39
543 #define SV_CLIENT_UPDATES 40
544 #define SV_UPDATE_OPTIMIZATION 41
545 #define SV_PING_CHECKS 42
546 #define SV_UPDATE_STATIC_LEASES 43
547 #define SV_LOG_FACILITY 44
548 #define SV_DO_FORWARD_UPDATES 45
549 #define SV_PING_TIMEOUT 46
550 #define SV_RESERVE_INFINITE 47
551 #define SV_DDNS_CONFLICT_DETECT 48
552 #define SV_LEASEQUERY 49
553 #define SV_ADAPTIVE_LEASE_TIME_THRESHOLD 50
554 #define SV_DO_REVERSE_UPDATES 51
556 #if !defined (DEFAULT_PING_TIMEOUT)
557 # define DEFAULT_PING_TIMEOUT 1
560 #if !defined (DEFAULT_DEFAULT_LEASE_TIME)
561 # define DEFAULT_DEFAULT_LEASE_TIME 43200
564 #if !defined (DEFAULT_MIN_LEASE_TIME)
565 # define DEFAULT_MIN_LEASE_TIME 300
568 #if !defined (DEFAULT_MAX_LEASE_TIME)
569 # define DEFAULT_MAX_LEASE_TIME 86400
572 #if !defined (DEFAULT_DDNS_TTL)
573 # define DEFAULT_DDNS_TTL 3600
576 /* Client option names */
579 #define CL_SELECT_INTERVAL 2
580 #define CL_REBOOT_TIMEOUT 3
581 #define CL_RETRY_INTERVAL 4
582 #define CL_BACKOFF_CUTOFF 5
583 #define CL_INITIAL_INTERVAL 6
584 #define CL_BOOTP_POLICY 7
585 #define CL_SCRIPT_NAME 8
586 #define CL_REQUESTED_OPTIONS 9
587 #define CL_REQUESTED_LEASE_TIME 10
588 #define CL_SEND_OPTIONS 11
590 #define CL_REJECT_LIST 13
592 #ifndef CL_DEFAULT_TIMEOUT
593 # define CL_DEFAULT_TIMEOUT 60
596 #ifndef CL_DEFAULT_SELECT_INTERVAL
597 # define CL_DEFAULT_SELECT_INTERVAL 0
600 #ifndef CL_DEFAULT_REBOOT_TIMEOUT
601 # define CL_DEFAULT_REBOOT_TIMEOUT 10
604 #ifndef CL_DEFAULT_RETRY_INTERVAL
605 # define CL_DEFAULT_RETRY_INTERVAL 300
608 #ifndef CL_DEFAULT_BACKOFF_CUTOFF
609 # define CL_DEFAULT_BACKOFF_CUTOFF 120
612 #ifndef CL_DEFAULT_INITIAL_INTERVAL
613 # define CL_DEFAULT_INITIAL_INTERVAL 10
616 #ifndef CL_DEFAULT_BOOTP_POLICY
617 # define CL_DEFAULT_BOOTP_POLICY P_ACCEPT
620 #ifndef CL_DEFAULT_REQUESTED_OPTIONS
621 # define CL_DEFAULT_REQUESTED_OPTIONS \
623 DHO_BROADCAST_ADDRESS, \
627 DHO_DOMAIN_NAME_SERVERS, \
631 struct group_object
{
632 OMAPI_OBJECT_PREAMBLE
;
634 struct group_object
*n_dynamic
;
638 #define GROUP_OBJECT_DELETED 1
639 #define GROUP_OBJECT_DYNAMIC 2
640 #define GROUP_OBJECT_STATIC 4
643 /* Group of declarations that share common parameters. */
648 struct group_object
*object
;
649 struct subnet
*subnet
;
650 struct shared_network
*shared_network
;
652 struct executable_statement
*statements
;
655 /* A dhcp host declaration structure. */
657 OMAPI_OBJECT_PREAMBLE
;
658 struct host_decl
*n_ipaddr
;
659 struct host_decl
*n_dynamic
;
661 struct hardware interface
;
662 struct data_string client_identifier
;
663 struct option_cache
*fixed_addr
;
665 struct group_object
*named_group
;
666 struct data_string auth_key_id
;
668 #define HOST_DECL_DELETED 1
669 #define HOST_DECL_DYNAMIC 2
670 #define HOST_DECL_STATIC 4
676 permit_unknown_clients
,
677 permit_known_clients
,
678 permit_authenticated_clients
,
679 permit_unauthenticated_clients
,
681 permit_dynamic_bootp_clients
,
688 OMAPI_OBJECT_PREAMBLE
;
691 struct shared_network
*shared_network
;
692 struct permit
*permit_list
;
693 struct permit
*prohibit_list
;
694 struct lease
*active
;
695 struct lease
*expired
;
697 struct lease
*backup
;
698 struct lease
*abandoned
;
699 struct lease
*reserved
;
700 TIME next_event_time
;
705 #if defined (FAILOVER_PROTOCOL)
706 dhcp_failover_state_t
*failover_peer
;
710 struct shared_network
{
711 OMAPI_OBJECT_PREAMBLE
;
712 struct shared_network
*next
;
714 struct subnet
*subnets
;
715 struct interface_info
*interface
;
718 #if defined (FAILOVER_PROTOCOL)
719 dhcp_failover_state_t
*failover_peer
;
724 OMAPI_OBJECT_PREAMBLE
;
725 struct subnet
*next_subnet
;
726 struct subnet
*next_sibling
;
727 struct shared_network
*shared_network
;
728 struct interface_info
*interface
;
729 struct iaddr interface_address
;
731 struct iaddr netmask
;
737 struct collection
*next
;
740 struct class *classes
;
743 /* Used as an argument to parse_clasS_decl() */
744 #define CLASS_TYPE_VENDOR 0
745 #define CLASS_TYPE_USER 1
746 #define CLASS_TYPE_CLASS 2
747 #define CLASS_TYPE_SUBCLASS 3
749 /* XXX classes must be reference-counted. */
751 OMAPI_OBJECT_PREAMBLE
;
752 struct class *nic
; /* Next in collection. */
753 struct class *superclass
; /* Set for spawned classes only. */
754 char *name
; /* Not set for spawned classes. */
756 /* A class may be configured to permit a limited number of leases. */
759 struct lease
**billed_leases
;
761 /* If nonzero, class has not been saved since it was last
765 /* Hash table containing subclasses. */
767 struct data_string hash_string
;
769 /* Expression used to match class. */
770 struct expression
*expr
;
772 /* Expression used to compute subclass identifiers for spawning
773 and to do subclass matching. */
774 struct expression
*submatch
;
779 /* Statements to execute if class matches. */
780 struct executable_statement
*statements
;
782 #define CLASS_DECL_DELETED 1
783 #define CLASS_DECL_DYNAMIC 2
784 #define CLASS_DECL_STATIC 4
785 #define CLASS_DECL_SUBCLASS 8
790 /* DHCP client lease structure... */
791 struct client_lease
{
792 struct client_lease
*next
; /* Next lease in list. */
793 TIME expiry
, renewal
, rebind
; /* Lease timeouts. */
794 struct iaddr address
; /* Address being leased. */
795 char *server_name
; /* Name of boot server. */
796 char *filename
; /* Name of file we're supposed to boot. */
797 struct string_list
*medium
; /* Network medium. */
798 struct auth_key
*key
; /* Key used in basic DHCP authentication. */
800 unsigned int is_static
: 1; /* If set, lease is from config file. */
801 unsigned int is_bootp
: 1; /* If set, lease was acquired with BOOTP. */
803 struct option_state
*options
; /* Options supplied with lease. */
806 /* Possible states in which the client can be. */
818 /* Authentication and BOOTP policy possibilities (not all values work
820 enum policy
{ P_IGNORE
, P_ACCEPT
, P_PREFER
, P_REQUIRE
, P_DONT
};
822 /* Configuration information from the config file... */
823 struct client_config
{
825 * When a message has been received, run these statements
828 struct group
*on_receipt
;
831 * When a message is sent, run these statements.
833 struct group
*on_transmission
;
835 u_int32_t
*required_options
; /* Options server must supply. */
836 u_int32_t
*requested_options
; /* Options to request from server. */
838 TIME timeout
; /* Start to panic if we don't get a
839 lease in this time period when
841 TIME initial_interval
; /* All exponential backoff intervals
843 TIME retry_interval
; /* If the protocol failed to produce
844 an address before the timeout,
845 try the protocol again after this
847 TIME select_interval
; /* Wait this many seconds from the
848 first DHCPDISCOVER before
849 picking an offered lease. */
850 TIME reboot_timeout
; /* When in INIT-REBOOT, wait this
851 long before giving up and going
853 TIME backoff_cutoff
; /* When doing exponential backoff,
854 never back off to an interval
855 longer than this amount. */
856 u_int32_t requested_lease
; /* Requested lease time, if user
857 doesn't configure one. */
858 struct string_list
*media
; /* Possible network media values. */
859 char *script_name
; /* Name of config script. */
860 char *vendor_space_name
; /* Name of config script. */
861 enum policy bootp_policy
;
862 /* Ignore, accept or prefer BOOTP
864 enum policy auth_policy
;
865 /* Require authentication, prefer
866 authentication, or don't try to
868 struct string_list
*medium
; /* Current network medium. */
870 struct iaddrmatchlist
*reject_list
; /* Servers to reject. */
872 int omapi_port
; /* port on which to accept OMAPI
873 connections, or -1 for no
875 int do_forward_update
; /* If nonzero, and if we have the
876 information we need, update the
877 A record for the address we get. */
880 /* Per-interface state used in the dhcp client... */
881 struct client_state
{
882 struct client_state
*next
;
883 struct interface_info
*interface
;
886 struct client_lease
*active
; /* Currently active lease. */
887 struct client_lease
*new; /* New lease. */
888 struct client_lease
*offered_leases
; /* Leases offered to us. */
889 struct client_lease
*leases
; /* Leases we currently hold. */
890 struct client_lease
*alias
; /* Alias lease. */
892 enum dhcp_state state
; /* Current state for this interface. */
893 struct iaddr destination
; /* Where to send packet. */
894 u_int32_t xid
; /* Transaction ID. */
895 u_int16_t secs
; /* secs value from DHCPDISCOVER. */
896 TIME first_sending
; /* When was first copy sent? */
897 TIME interval
; /* What's the current resend interval? */
898 int dns_update_timeout
; /* Last timeout set for DNS update. */
899 struct string_list
*medium
; /* Last media type tried. */
900 struct dhcp_packet packet
; /* Outgoing DHCP packet. */
901 unsigned packet_length
; /* Actual length of generated packet. */
903 struct iaddr requested_address
; /* Address we would like to get. */
905 struct client_config
*config
; /* Client configuration. */
906 struct string_list
*env
; /* Client script environment. */
907 int envc
; /* Number of entries in environment. */
909 struct option_state
*sent_options
; /* Options we sent. */
912 /* Information about each network interface. */
914 struct interface_info
{
915 OMAPI_OBJECT_PREAMBLE
;
916 struct interface_info
*next
; /* Next interface in list... */
917 struct shared_network
*shared_network
;
918 /* Networks connected to this interface. */
919 struct hardware hw_address
; /* Its physical address. */
920 struct in_addr primary_address
; /* Primary interface address. */
922 u_int8_t
*circuit_id
; /* Circuit ID associated with this
924 unsigned circuit_id_len
; /* Length of Circuit ID, if there
926 u_int8_t
*remote_id
; /* Remote ID associated with this
927 interface (if any). */
928 unsigned remote_id_len
; /* Length of Remote ID. */
930 char name
[IFNAMSIZ
]; /* Its name... */
931 int index
; /* Its index. */
932 int rfdesc
; /* Its read file descriptor. */
933 int wfdesc
; /* Its write file descriptor, if
935 unsigned char *rbuf
; /* Read buffer, if required. */
936 unsigned int rbuf_max
; /* Size of read buffer. */
937 size_t rbuf_offset
; /* Current offset into buffer. */
938 size_t rbuf_len
; /* Length of data in buffer. */
940 struct ifreq
*ifp
; /* Pointer to ifreq struct. */
941 u_int32_t flags
; /* Control flags... */
942 #define INTERFACE_REQUESTED 1
943 #define INTERFACE_AUTOMATIC 2
944 #define INTERFACE_RUNNING 4
946 /* Only used by DHCP client code. */
947 struct client_state
*client
;
948 # if defined (USE_DLPI_SEND) || defined (USE_DLPI_RECEIVE)
950 struct hardware dlpi_broadcast_addr
;
951 # endif /* DLPI_SEND || DLPI_RECEIVE */
954 struct hardware_link
{
955 struct hardware_link
*next
;
956 char name
[IFNAMSIZ
];
957 struct hardware address
;
960 typedef void (*tvref_t
)(void *, void *, const char *, int);
961 typedef void (*tvunref_t
)(void *, const char *, int);
963 struct timeout
*next
;
965 void (*func
) PROTO ((void *));
972 struct protocol
*next
;
974 void (*handler
) PROTO ((struct protocol
*));
978 struct dns_query
; /* forward */
981 struct dns_wakeup
*next
; /* Next wakeup in chain. */
982 void (*func
) PROTO ((struct dns_query
*));
985 struct dns_question
{
986 u_int16_t type
; /* Type of query. */
987 u_int16_t
class; /* Class of query. */
988 unsigned char data
[1]; /* Query data. */
992 u_int16_t type
; /* Type of answer. */
993 u_int16_t
class; /* Class of answer. */
994 int count
; /* Number of answers. */
995 unsigned char *answers
[1]; /* Pointers to answers. */
999 struct dns_query
*next
; /* Next query in hash bucket. */
1000 u_int32_t hash
; /* Hash bucket index. */
1001 TIME expiry
; /* Query expiry time (zero if not yet
1003 u_int16_t id
; /* Query ID (also hash table index) */
1004 caddr_t waiters
; /* Pointer to list of things waiting
1007 struct dns_question
*question
; /* Question, internal format. */
1008 struct dns_answer
*answer
; /* Answer, internal format. */
1010 unsigned char *query
; /* Query formatted for DNS server. */
1011 unsigned len
; /* Length of entire query. */
1012 int sent
; /* The query has been sent. */
1013 struct dns_wakeup
*wakeups
; /* Wakeups to call if this query is
1015 struct name_server
*next_server
; /* Next server to try. */
1016 int backoff
; /* Current backoff, in seconds. */
1023 struct option_cache
*primary
;
1024 struct option_cache
*secondary
;
1025 struct auth_key
*key
;
1029 OMAPI_OBJECT_PREAMBLE
;
1031 void (*icmp_handler
) PROTO ((struct iaddr
, u_int8_t
*, int));
1036 /* Bitmask of dhcp option codes. */
1037 typedef unsigned char option_mask
[16];
1039 /* DHCP Option mask manipulation macros... */
1040 #define OPTION_ZERO(mask) (memset (mask, 0, 16))
1041 #define OPTION_SET(mask, bit) (mask [bit >> 8] |= (1 << (bit & 7)))
1042 #define OPTION_CLR(mask, bit) (mask [bit >> 8] &= ~(1 << (bit & 7)))
1043 #define OPTION_ISSET(mask, bit) (mask [bit >> 8] & (1 << (bit & 7)))
1044 #define OPTION_ISCLR(mask, bit) (!OPTION_ISSET (mask, bit))
1046 /* An option occupies its length plus two header bytes (code and
1047 length) for every 255 bytes that must be stored. */
1048 #define OPTION_SPACE(x) ((x) + 2 * ((x) / 255 + 1))
1050 /* Default path to dhcpd config file. */
1052 #undef _PATH_DHCPD_CONF
1053 #define _PATH_DHCPD_CONF "dhcpd.conf"
1054 #undef _PATH_DHCPD_DB
1055 #define _PATH_DHCPD_DB "dhcpd.leases"
1056 #undef _PATH_DHCPD_PID
1057 #define _PATH_DHCPD_PID "dhcpd.pid"
1059 #ifndef _PATH_DHCPD_CONF
1060 #define _PATH_DHCPD_CONF "/etc/dhcpd.conf"
1063 #ifndef _PATH_DHCPD_DB
1064 #define _PATH_DHCPD_DB "/etc/dhcpd.leases"
1067 #ifndef _PATH_DHCPD_PID
1068 #define _PATH_DHCPD_PID "/var/run/dhcpd.pid"
1072 #ifndef _PATH_DHCLIENT_CONF
1073 #define _PATH_DHCLIENT_CONF "/etc/dhclient.conf"
1076 #ifndef _PATH_DHCLIENT_SCRIPT
1077 #define _PATH_DHCLIENT_SCRIPT "/sbin/dhclient-script"
1080 #ifndef _PATH_DHCLIENT_PID
1081 #define _PATH_DHCLIENT_PID "/var/run/dhclient.pid"
1084 #ifndef _PATH_DHCLIENT_DB
1085 #define _PATH_DHCLIENT_DB "/etc/dhclient.leases"
1088 #ifndef _PATH_RESOLV_CONF
1089 #define _PATH_RESOLV_CONF "/etc/resolv.conf"
1092 #ifndef _PATH_DHCRELAY_PID
1093 #define _PATH_DHCRELAY_PID "/var/run/dhcrelay.pid"
1096 #ifndef DHCPD_LOG_FACILITY
1097 #define DHCPD_LOG_FACILITY LOG_DAEMON
1100 #define MAX_TIME 0x7fffffff
1103 /* External definitions... */
1105 HASH_FUNCTIONS_DECL (group
, const char *, struct group_object
, group_hash_t
)
1106 HASH_FUNCTIONS_DECL (universe
, const char *, struct universe
, universe_hash_t
)
1107 HASH_FUNCTIONS_DECL (option_name
, const char *, struct option
,
1109 HASH_FUNCTIONS_DECL (option_code
, const unsigned *, struct option
,
1111 HASH_FUNCTIONS_DECL (dns_zone
, const char *, struct dns_zone
, dns_zone_hash_t
)
1112 HASH_FUNCTIONS_DECL(lease_ip
, const unsigned char *, struct lease
,
1114 HASH_FUNCTIONS_DECL(lease_id
, const unsigned char *, struct lease
,
1116 HASH_FUNCTIONS_DECL (host
, const unsigned char *, struct host_decl
, host_hash_t
)
1117 HASH_FUNCTIONS_DECL (class, const char *, struct class, class_hash_t
)
1121 extern struct option
*vendor_cfg_option
;
1122 int parse_options
PROTO ((struct packet
*));
1123 int parse_option_buffer
PROTO ((struct option_state
*, const unsigned char *,
1124 unsigned, struct universe
*));
1125 struct universe
*find_option_universe (struct option
*, const char *);
1126 int parse_encapsulated_suboptions (struct option_state
*, struct option
*,
1127 const unsigned char *, unsigned,
1128 struct universe
*, const char *);
1129 int cons_options
PROTO ((struct packet
*, struct dhcp_packet
*, struct lease
*,
1130 struct client_state
*,
1131 int, struct option_state
*, struct option_state
*,
1132 struct binding_scope
**,
1133 int, int, int, struct data_string
*, const char *));
1134 int fqdn_universe_decode (struct option_state
*,
1135 const unsigned char *, unsigned, struct universe
*);
1136 int store_options
PROTO ((int *, unsigned char *, unsigned, struct packet
*,
1137 struct lease
*, struct client_state
*,
1138 struct option_state
*,
1139 struct option_state
*, struct binding_scope
**,
1140 unsigned *, int, unsigned, unsigned,
1141 int, const char *));
1142 int format_has_text(const char *);
1143 int format_min_length(const char *, struct option_cache
*);
1144 const char *pretty_print_option
PROTO ((struct option
*, const unsigned char *,
1145 unsigned, int, int));
1146 int pretty_escape(char **, char *, const unsigned char **,
1147 const unsigned char *);
1148 int get_option (struct data_string
*, struct universe
*,
1149 struct packet
*, struct lease
*, struct client_state
*,
1150 struct option_state
*, struct option_state
*,
1151 struct option_state
*, struct binding_scope
**, unsigned,
1153 void set_option (struct universe
*, struct option_state
*,
1154 struct option_cache
*, enum statement_op
);
1155 struct option_cache
*lookup_option
PROTO ((struct universe
*,
1156 struct option_state
*, unsigned));
1157 struct option_cache
*lookup_hashed_option
PROTO ((struct universe
*,
1158 struct option_state
*,
1160 int save_option_buffer (struct universe
*, struct option_state
*,
1161 struct buffer
*, unsigned char *, unsigned,
1163 void save_option
PROTO ((struct universe
*,
1164 struct option_state
*, struct option_cache
*));
1165 void save_hashed_option
PROTO ((struct universe
*,
1166 struct option_state
*, struct option_cache
*));
1167 void delete_option
PROTO ((struct universe
*, struct option_state
*, int));
1168 void delete_hashed_option
PROTO ((struct universe
*,
1169 struct option_state
*, int));
1170 int option_cache_dereference
PROTO ((struct option_cache
**,
1171 const char *, int));
1172 int hashed_option_state_dereference
PROTO ((struct universe
*,
1173 struct option_state
*,
1174 const char *, int));
1175 int store_option
PROTO ((struct data_string
*,
1176 struct universe
*, struct packet
*, struct lease
*,
1177 struct client_state
*,
1178 struct option_state
*, struct option_state
*,
1179 struct binding_scope
**, struct option_cache
*));
1180 int option_space_encapsulate
PROTO ((struct data_string
*,
1181 struct packet
*, struct lease
*,
1182 struct client_state
*,
1183 struct option_state
*,
1184 struct option_state
*,
1185 struct binding_scope
**,
1186 struct data_string
*));
1187 int hashed_option_space_encapsulate
PROTO ((struct data_string
*,
1188 struct packet
*, struct lease
*,
1189 struct client_state
*,
1190 struct option_state
*,
1191 struct option_state
*,
1192 struct binding_scope
**,
1193 struct universe
*));
1194 int nwip_option_space_encapsulate
PROTO ((struct data_string
*,
1195 struct packet
*, struct lease
*,
1196 struct client_state
*,
1197 struct option_state
*,
1198 struct option_state
*,
1199 struct binding_scope
**,
1200 struct universe
*));
1201 int fqdn_option_space_encapsulate (struct data_string
*,
1202 struct packet
*, struct lease
*,
1203 struct client_state
*,
1204 struct option_state
*,
1205 struct option_state
*,
1206 struct binding_scope
**,
1208 void suboption_foreach (struct packet
*, struct lease
*, struct client_state
*,
1209 struct option_state
*, struct option_state
*,
1210 struct binding_scope
**, struct universe
*, void *,
1211 void (*) (struct option_cache
*, struct packet
*,
1212 struct lease
*, struct client_state
*,
1213 struct option_state
*, struct option_state
*,
1214 struct binding_scope
**,
1215 struct universe
*, void *),
1216 struct option_cache
*, const char *);
1217 void option_space_foreach (struct packet
*, struct lease
*,
1218 struct client_state
*,
1219 struct option_state
*,
1220 struct option_state
*,
1221 struct binding_scope
**,
1222 struct universe
*, void *,
1223 void (*) (struct option_cache
*,
1225 struct lease
*, struct client_state
*,
1226 struct option_state
*,
1227 struct option_state
*,
1228 struct binding_scope
**,
1229 struct universe
*, void *));
1230 void hashed_option_space_foreach (struct packet
*, struct lease
*,
1231 struct client_state
*,
1232 struct option_state
*,
1233 struct option_state
*,
1234 struct binding_scope
**,
1235 struct universe
*, void *,
1236 void (*) (struct option_cache
*,
1239 struct client_state
*,
1240 struct option_state
*,
1241 struct option_state
*,
1242 struct binding_scope
**,
1243 struct universe
*, void *));
1244 int linked_option_get
PROTO ((struct data_string
*, struct universe
*,
1245 struct packet
*, struct lease
*,
1246 struct client_state
*,
1247 struct option_state
*, struct option_state
*,
1248 struct option_state
*, struct binding_scope
**,
1250 int linked_option_state_dereference
PROTO ((struct universe
*,
1251 struct option_state
*,
1252 const char *, int));
1253 void save_linked_option (struct universe
*, struct option_state
*,
1254 struct option_cache
*);
1255 void linked_option_space_foreach (struct packet
*, struct lease
*,
1256 struct client_state
*,
1257 struct option_state
*,
1258 struct option_state
*,
1259 struct binding_scope
**,
1260 struct universe
*, void *,
1261 void (*) (struct option_cache
*,
1264 struct client_state
*,
1265 struct option_state
*,
1266 struct option_state
*,
1267 struct binding_scope
**,
1268 struct universe
*, void *));
1269 int linked_option_space_encapsulate (struct data_string
*, struct packet
*,
1270 struct lease
*, struct client_state
*,
1271 struct option_state
*,
1272 struct option_state
*,
1273 struct binding_scope
**,
1275 void delete_linked_option (struct universe
*, struct option_state
*, int);
1276 struct option_cache
*lookup_linked_option (struct universe
*,
1277 struct option_state
*, unsigned);
1278 void do_packet
PROTO ((struct interface_info
*,
1279 struct dhcp_packet
*, unsigned,
1280 unsigned int, struct iaddr
, struct hardware
*));
1282 int add_option(struct option_state
*options
,
1283 unsigned int option_num
,
1285 unsigned int data_len
);
1288 extern TIME cur_time
;
1290 int ddns_update_style
;
1292 extern const char *path_dhcpd_conf
;
1293 extern const char *path_dhcpd_db
;
1294 extern const char *path_dhcpd_pid
;
1296 extern int dhcp_max_agent_option_packet_length
;
1298 int main
PROTO ((int, char **, char **));
1299 void postconf_initialization (int);
1300 void postdb_startup (void);
1301 void cleanup
PROTO ((void));
1302 void lease_pinged
PROTO ((struct iaddr
, u_int8_t
*, int));
1303 void lease_ping_timeout
PROTO ((void *));
1304 int dhcpd_interface_setup_hook (struct interface_info
*ip
, struct iaddr
*ia
);
1305 enum dhcp_shutdown_state shutdown_state
;
1306 isc_result_t
dhcp_io_shutdown (omapi_object_t
*, void *);
1307 isc_result_t
dhcp_set_control_state (control_object_state_t oldstate
,
1308 control_object_state_t newstate
);
1311 isc_result_t new_parse
PROTO ((struct parse
**, int,
1312 char *, unsigned, const char *, int));
1313 isc_result_t end_parse
PROTO ((struct parse
**));
1314 enum dhcp_token next_token
PROTO ((const char **, unsigned *, struct parse
*));
1315 enum dhcp_token peek_token
PROTO ((const char **, unsigned *, struct parse
*));
1318 void parse_trace_setup (void);
1319 isc_result_t readconf
PROTO ((void));
1320 isc_result_t
read_conf_file (const char *, struct group
*, int, int);
1321 #if defined (TRACING)
1322 void trace_conf_input (trace_type_t
*, unsigned, char *);
1323 void trace_conf_stop (trace_type_t
*ttype
);
1325 isc_result_t
conf_file_subparse (struct parse
*, struct group
*, int);
1326 isc_result_t
lease_file_subparse (struct parse
*);
1327 int parse_statement
PROTO ((struct parse
*,
1328 struct group
*, int, struct host_decl
*, int));
1329 #if defined (FAILOVER_PROTOCOL)
1330 void parse_failover_peer
PROTO ((struct parse
*, struct group
*, int));
1331 void parse_failover_state_declaration (struct parse
*,
1332 dhcp_failover_state_t
*);
1333 void parse_failover_state
PROTO ((struct parse
*,
1334 enum failover_state
*, TIME
*));
1336 int permit_list_match (struct permit
*, struct permit
*);
1337 void parse_pool_statement
PROTO ((struct parse
*, struct group
*, int));
1338 int parse_boolean
PROTO ((struct parse
*));
1339 int parse_lbrace
PROTO ((struct parse
*));
1340 void parse_host_declaration
PROTO ((struct parse
*, struct group
*));
1341 int parse_class_declaration
PROTO ((struct class **, struct parse
*,
1342 struct group
*, int));
1343 void parse_shared_net_declaration
PROTO ((struct parse
*, struct group
*));
1344 void parse_subnet_declaration
PROTO ((struct parse
*,
1345 struct shared_network
*));
1346 void parse_group_declaration
PROTO ((struct parse
*, struct group
*));
1347 int parse_fixed_addr_param
PROTO ((struct option_cache
**, struct parse
*));
1348 int parse_lease_declaration
PROTO ((struct lease
**, struct parse
*));
1349 void parse_address_range
PROTO ((struct parse
*, struct group
*, int,
1350 struct pool
*, struct lease
**));
1353 int ddns_updates
PROTO ((struct packet
*, struct lease
*, struct lease
*,
1354 struct lease_state
*));
1355 int ddns_removals
PROTO ((struct lease
*));
1358 void add_enumeration (struct enumeration
*);
1359 struct enumeration
*find_enumeration (const char *, int);
1360 struct enumeration_value
*find_enumeration_value (const char *, int,
1362 void skip_to_semi
PROTO ((struct parse
*));
1363 void skip_to_rbrace
PROTO ((struct parse
*, int));
1364 int parse_semi
PROTO ((struct parse
*));
1365 int parse_string
PROTO ((struct parse
*, char **, unsigned *));
1366 char *parse_host_name
PROTO ((struct parse
*));
1367 int parse_ip_addr_or_hostname
PROTO ((struct expression
**,
1368 struct parse
*, int));
1369 void parse_hardware_param
PROTO ((struct parse
*, struct hardware
*));
1370 void parse_lease_time
PROTO ((struct parse
*, TIME
*));
1371 unsigned char *parse_numeric_aggregate
PROTO ((struct parse
*,
1372 unsigned char *, unsigned *,
1373 int, int, unsigned));
1374 void convert_num
PROTO ((struct parse
*, unsigned char *, const char *,
1376 TIME parse_date
PROTO ((struct parse
*));
1377 isc_result_t parse_option_name
PROTO ((struct parse
*, int, int *,
1379 void parse_option_space_decl
PROTO ((struct parse
*));
1380 int parse_option_code_definition
PROTO ((struct parse
*, struct option
*));
1381 int parse_base64 (struct data_string
*, struct parse
*);
1382 int parse_cshl
PROTO ((struct data_string
*, struct parse
*));
1383 int parse_executable_statement
PROTO ((struct executable_statement
**,
1384 struct parse
*, int *,
1385 enum expression_context
));
1386 int parse_executable_statements
PROTO ((struct executable_statement
**,
1387 struct parse
*, int *,
1388 enum expression_context
));
1389 int parse_zone (struct dns_zone
*, struct parse
*);
1390 int parse_key (struct parse
*);
1391 int parse_on_statement
PROTO ((struct executable_statement
**,
1392 struct parse
*, int *));
1393 int parse_switch_statement
PROTO ((struct executable_statement
**,
1394 struct parse
*, int *));
1395 int parse_case_statement
PROTO ((struct executable_statement
**,
1396 struct parse
*, int *,
1397 enum expression_context
));
1398 int parse_if_statement
PROTO ((struct executable_statement
**,
1399 struct parse
*, int *));
1400 int parse_boolean_expression
PROTO ((struct expression
**,
1401 struct parse
*, int *));
1402 int parse_data_expression
PROTO ((struct expression
**,
1403 struct parse
*, int *));
1404 int parse_numeric_expression
PROTO ((struct expression
**,
1405 struct parse
*, int *));
1406 int parse_dns_expression
PROTO ((struct expression
**, struct parse
*, int *));
1407 int parse_non_binary
PROTO ((struct expression
**, struct parse
*, int *,
1408 enum expression_context
));
1409 int parse_expression
PROTO ((struct expression
**, struct parse
*, int *,
1410 enum expression_context
,
1411 struct expression
**, enum expr_op
));
1412 int parse_option_statement
PROTO ((struct executable_statement
**,
1413 struct parse
*, int,
1414 struct option
*, enum statement_op
));
1415 int parse_option_token
PROTO ((struct expression
**, struct parse
*,
1416 const char **, struct expression
*, int, int));
1417 int parse_allow_deny
PROTO ((struct option_cache
**, struct parse
*, int));
1418 int parse_auth_key
PROTO ((struct data_string
*, struct parse
*));
1419 int parse_warn (struct parse
*, const char *, ...)
1420 __attribute__((__format__(__printf__
,2,3)));
1421 struct expression
*parse_domain_list (struct parse
*cfile
);
1425 #if defined (NSUPDATE)
1426 extern struct __res_state resolver_state
;
1427 extern int resolver_inited
;
1430 extern struct binding_scope
*global_scope
;
1431 pair cons
PROTO ((caddr_t
, pair
));
1432 int make_const_option_cache
PROTO ((struct option_cache
**, struct buffer
**,
1433 u_int8_t
*, unsigned, struct option
*,
1434 const char *, int));
1435 int make_host_lookup
PROTO ((struct expression
**, const char *));
1436 int enter_dns_host
PROTO ((struct dns_host_entry
**, const char *));
1437 int make_const_data (struct expression
**,
1438 const unsigned char *, unsigned, int, int,
1440 int make_const_int
PROTO ((struct expression
**, unsigned long));
1441 int make_concat
PROTO ((struct expression
**,
1442 struct expression
*, struct expression
*));
1443 int make_encapsulation
PROTO ((struct expression
**, struct data_string
*));
1444 int make_substring
PROTO ((struct expression
**, struct expression
*,
1445 struct expression
*, struct expression
*));
1446 int make_limit
PROTO ((struct expression
**, struct expression
*, int));
1447 int make_let
PROTO ((struct executable_statement
**, const char *));
1448 int option_cache
PROTO ((struct option_cache
**, struct data_string
*,
1449 struct expression
*, struct option
*,
1450 const char *, int));
1451 int evaluate_expression (struct binding_value
**, struct packet
*,
1452 struct lease
*, struct client_state
*,
1453 struct option_state
*, struct option_state
*,
1454 struct binding_scope
**, struct expression
*,
1456 int binding_value_dereference (struct binding_value
**, const char *, int);
1457 #if defined (NSUPDATE)
1458 int evaluate_dns_expression
PROTO ((ns_updrec
**, struct packet
*,
1460 struct client_state
*,
1461 struct option_state
*,
1462 struct option_state
*,
1463 struct binding_scope
**,
1464 struct expression
*));
1466 int evaluate_boolean_expression
PROTO ((int *,
1467 struct packet
*, struct lease
*,
1468 struct client_state
*,
1469 struct option_state
*,
1470 struct option_state
*,
1471 struct binding_scope
**,
1472 struct expression
*));
1473 int evaluate_data_expression
PROTO ((struct data_string
*,
1474 struct packet
*, struct lease
*,
1475 struct client_state
*,
1476 struct option_state
*,
1477 struct option_state
*,
1478 struct binding_scope
**,
1479 struct expression
*, const char *, int));
1480 int evaluate_numeric_expression (unsigned long *, struct packet
*,
1481 struct lease
*, struct client_state
*,
1482 struct option_state
*, struct option_state
*,
1483 struct binding_scope
**,
1484 struct expression
*);
1485 int evaluate_option_cache
PROTO ((struct data_string
*,
1486 struct packet
*, struct lease
*,
1487 struct client_state
*,
1488 struct option_state
*, struct option_state
*,
1489 struct binding_scope
**,
1490 struct option_cache
*,
1491 const char *, int));
1492 int evaluate_boolean_option_cache
PROTO ((int *,
1493 struct packet
*, struct lease
*,
1494 struct client_state
*,
1495 struct option_state
*,
1496 struct option_state
*,
1497 struct binding_scope
**,
1498 struct option_cache
*,
1499 const char *, int));
1500 int evaluate_boolean_expression_result
PROTO ((int *,
1501 struct packet
*, struct lease
*,
1502 struct client_state
*,
1503 struct option_state
*,
1504 struct option_state
*,
1505 struct binding_scope
**,
1506 struct expression
*));
1507 void expression_dereference
PROTO ((struct expression
**, const char *, int));
1508 int is_dns_expression
PROTO ((struct expression
*));
1509 int is_boolean_expression
PROTO ((struct expression
*));
1510 int is_data_expression
PROTO ((struct expression
*));
1511 int is_numeric_expression
PROTO ((struct expression
*));
1512 int is_compound_expression
PROTO ((struct expression
*));
1513 int op_precedence
PROTO ((enum expr_op
, enum expr_op
));
1514 enum expression_context
expression_context (struct expression
*);
1515 enum expression_context op_context
PROTO ((enum expr_op
));
1516 int write_expression
PROTO ((FILE *, struct expression
*, int, int, int));
1517 struct binding
*find_binding
PROTO ((struct binding_scope
*, const char *));
1518 int free_bindings
PROTO ((struct binding_scope
*, const char *, int));
1519 int binding_scope_dereference
PROTO ((struct binding_scope
**,
1520 const char *, int));
1521 int fundef_dereference (struct fundef
**, const char *, int);
1522 int data_subexpression_length (int *, struct expression
*);
1523 int expr_valid_for_context (struct expression
*, enum expression_context
);
1524 struct binding
*create_binding (struct binding_scope
**, const char *);
1525 int bind_ds_value (struct binding_scope
**,
1526 const char *, struct data_string
*);
1527 int find_bound_string (struct data_string
*,
1528 struct binding_scope
*, const char *);
1529 int unset (struct binding_scope
*, const char *);
1532 extern int outstanding_pings
;
1534 void dhcp
PROTO ((struct packet
*));
1535 void dhcpdiscover
PROTO ((struct packet
*, int));
1536 void dhcprequest
PROTO ((struct packet
*, int, struct lease
*));
1537 void dhcprelease
PROTO ((struct packet
*, int));
1538 void dhcpdecline
PROTO ((struct packet
*, int));
1539 void dhcpinform
PROTO ((struct packet
*, int));
1540 void dhcpleasequery
PROTO ((struct packet
*, int));
1541 void nak_lease
PROTO ((struct packet
*, struct iaddr
*cip
));
1542 void ack_lease
PROTO ((struct packet
*, struct lease
*,
1543 unsigned int, TIME
, char *, int, struct host_decl
*));
1544 void dhcp_reply
PROTO ((struct lease
*));
1545 int find_lease
PROTO ((struct lease
**, struct packet
*,
1546 struct shared_network
*, int *, int *, struct lease
*,
1547 const char *, int));
1548 int mockup_lease
PROTO ((struct lease
**, struct packet
*,
1549 struct shared_network
*,
1550 struct host_decl
*));
1551 void static_lease_dereference
PROTO ((struct lease
*, const char *, int));
1553 int allocate_lease
PROTO ((struct lease
**, struct packet
*,
1554 struct pool
*, int *));
1555 int permitted
PROTO ((struct packet
*, struct permit
*));
1556 int locate_network
PROTO ((struct packet
*));
1557 int parse_agent_information_option
PROTO ((struct packet
*, int, u_int8_t
*));
1558 unsigned cons_agent_information_options
PROTO ((struct option_state
*,
1559 struct dhcp_packet
*,
1560 unsigned, unsigned));
1561 void get_server_source_address(struct in_addr
*from
,
1562 struct option_state
*options
,
1563 struct packet
*packet
);
1566 void bootp
PROTO ((struct packet
*));
1569 int (*group_write_hook
) (struct group_object
*);
1570 extern struct group
*root_group
;
1571 extern group_hash_t
*group_name_hash
;
1572 isc_result_t
delete_group (struct group_object
*, int);
1573 isc_result_t
supersede_group (struct group_object
*, int);
1574 int clone_group (struct group
**, struct group
*, const char *, int);
1575 int write_group
PROTO ((struct group_object
*));
1578 void relinquish_lease_hunks (void);
1579 struct lease
*new_leases
PROTO ((unsigned, const char *, int));
1580 #if defined (DEBUG_MEMORY_LEAKAGE) || \
1581 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
1582 void relinquish_free_lease_states (void);
1584 OMAPI_OBJECT_ALLOC_DECL (lease
, struct lease
, dhcp_type_lease
)
1585 OMAPI_OBJECT_ALLOC_DECL (class, struct class, dhcp_type_class
)
1586 OMAPI_OBJECT_ALLOC_DECL (subclass
, struct class, dhcp_type_subclass
)
1587 OMAPI_OBJECT_ALLOC_DECL (pool
, struct pool
, dhcp_type_pool
)
1588 OMAPI_OBJECT_ALLOC_DECL (host
, struct host_decl
, dhcp_type_host
)
1591 OMAPI_OBJECT_ALLOC_DECL (subnet
, struct subnet
, dhcp_type_subnet
)
1592 OMAPI_OBJECT_ALLOC_DECL (shared_network
, struct shared_network
,
1593 dhcp_type_shared_network
)
1594 OMAPI_OBJECT_ALLOC_DECL (group_object
, struct group_object
, dhcp_type_group
)
1595 OMAPI_OBJECT_ALLOC_DECL (dhcp_control
,
1596 dhcp_control_object_t
, dhcp_type_control
)
1598 #if defined (DEBUG_MEMORY_LEAKAGE) || \
1599 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
1600 void relinquish_free_pairs (void);
1601 void relinquish_free_expressions (void);
1602 void relinquish_free_binding_values (void);
1603 void relinquish_free_option_caches (void);
1604 void relinquish_free_packets (void);
1607 int option_chain_head_allocate (struct option_chain_head
**,
1609 int option_chain_head_reference (struct option_chain_head
**,
1610 struct option_chain_head
*,
1612 int option_chain_head_dereference (struct option_chain_head
**,
1614 int group_allocate (struct group
**, const char *, int);
1615 int group_reference (struct group
**, struct group
*, const char *, int);
1616 int group_dereference (struct group
**, const char *, int);
1617 struct dhcp_packet
*new_dhcp_packet
PROTO ((const char *, int));
1618 struct protocol
*new_protocol
PROTO ((const char *, int));
1619 struct lease_state
*new_lease_state
PROTO ((const char *, int));
1620 struct domain_search_list
*new_domain_search_list
PROTO ((const char *, int));
1621 struct name_server
*new_name_server
PROTO ((const char *, int));
1622 void free_name_server
PROTO ((struct name_server
*, const char *, int));
1623 struct option
*new_option
PROTO ((const char *, const char *, int));
1624 int option_reference(struct option
**dest
, struct option
*src
,
1625 const char * file
, int line
);
1626 int option_dereference(struct option
**dest
, const char *file
, int line
);
1627 int group_allocate (struct group
**, const char *, int);
1628 int group_reference (struct group
**, struct group
*, const char *, int);
1629 int group_dereference (struct group
**, const char *, int);
1630 struct universe
*new_universe
PROTO ((const char *, int));
1631 void free_universe
PROTO ((struct universe
*, const char *, int));
1632 void free_domain_search_list
PROTO ((struct domain_search_list
*,
1633 const char *, int));
1634 void free_lease_state
PROTO ((struct lease_state
*, const char *, int));
1635 void free_protocol
PROTO ((struct protocol
*, const char *, int));
1636 void free_dhcp_packet
PROTO ((struct dhcp_packet
*, const char *, int));
1637 struct client_lease
*new_client_lease
PROTO ((const char *, int));
1638 void free_client_lease
PROTO ((struct client_lease
*, const char *, int));
1639 struct permit
*new_permit
PROTO ((const char *, int));
1640 void free_permit
PROTO ((struct permit
*, const char *, int));
1641 pair new_pair
PROTO ((const char *, int));
1642 void free_pair
PROTO ((pair
, const char *, int));
1643 int expression_allocate
PROTO ((struct expression
**, const char *, int));
1644 int expression_reference
PROTO ((struct expression
**,
1645 struct expression
*, const char *, int));
1646 void free_expression
PROTO ((struct expression
*, const char *, int));
1647 int binding_value_allocate
PROTO ((struct binding_value
**,
1648 const char *, int));
1649 int binding_value_reference
PROTO ((struct binding_value
**,
1650 struct binding_value
*,
1651 const char *, int));
1652 void free_binding_value
PROTO ((struct binding_value
*, const char *, int));
1653 int fundef_allocate
PROTO ((struct fundef
**, const char *, int));
1654 int fundef_reference
PROTO ((struct fundef
**,
1655 struct fundef
*, const char *, int));
1656 int option_cache_allocate
PROTO ((struct option_cache
**, const char *, int));
1657 int option_cache_reference
PROTO ((struct option_cache
**,
1658 struct option_cache
*, const char *, int));
1659 int buffer_allocate
PROTO ((struct buffer
**, unsigned, const char *, int));
1660 int buffer_reference
PROTO ((struct buffer
**, struct buffer
*,
1661 const char *, int));
1662 int buffer_dereference
PROTO ((struct buffer
**, const char *, int));
1663 int dns_host_entry_allocate
PROTO ((struct dns_host_entry
**,
1664 const char *, const char *, int));
1665 int dns_host_entry_reference
PROTO ((struct dns_host_entry
**,
1666 struct dns_host_entry
*,
1667 const char *, int));
1668 int dns_host_entry_dereference
PROTO ((struct dns_host_entry
**,
1669 const char *, int));
1670 int option_state_allocate
PROTO ((struct option_state
**, const char *, int));
1671 int option_state_reference
PROTO ((struct option_state
**,
1672 struct option_state
*, const char *, int));
1673 int option_state_dereference
PROTO ((struct option_state
**,
1674 const char *, int));
1675 void data_string_copy
PROTO ((struct data_string
*,
1676 struct data_string
*, const char *, int));
1677 void data_string_forget
PROTO ((struct data_string
*, const char *, int));
1678 void data_string_truncate
PROTO ((struct data_string
*, int));
1679 int executable_statement_allocate
PROTO ((struct executable_statement
**,
1680 const char *, int));
1681 int executable_statement_reference
PROTO ((struct executable_statement
**,
1682 struct executable_statement
*,
1683 const char *, int));
1684 int packet_allocate
PROTO ((struct packet
**, const char *, int));
1685 int packet_reference
PROTO ((struct packet
**,
1686 struct packet
*, const char *, int));
1687 int packet_dereference
PROTO ((struct packet
**, const char *, int));
1688 int binding_scope_allocate
PROTO ((struct binding_scope
**,
1689 const char *, int));
1690 int binding_scope_reference
PROTO ((struct binding_scope
**,
1691 struct binding_scope
*,
1692 const char *, int));
1693 int dns_zone_allocate
PROTO ((struct dns_zone
**, const char *, int));
1694 int dns_zone_reference
PROTO ((struct dns_zone
**,
1695 struct dns_zone
*, const char *, int));
1698 #define DEFAULT_TIME_FORMAT 0
1699 #define LOCAL_TIME_FORMAT 1
1700 extern int db_time_format
;
1701 char *quotify_string (const char *, const char *, int);
1702 char *quotify_buf (const unsigned char *, unsigned, const char *, int);
1703 char *print_base64 (const unsigned char *, unsigned, const char *, int);
1704 char *print_hw_addr
PROTO ((int, int, unsigned char *));
1705 void print_lease
PROTO ((struct lease
*));
1706 void dump_raw
PROTO ((const unsigned char *, unsigned));
1707 void dump_packet_option (struct option_cache
*, struct packet
*,
1708 struct lease
*, struct client_state
*,
1709 struct option_state
*, struct option_state
*,
1710 struct binding_scope
**, struct universe
*, void *);
1711 void dump_packet
PROTO ((struct packet
*));
1712 void hash_dump
PROTO ((struct hash_table
*));
1713 char *print_hex_1
PROTO ((unsigned, const u_int8_t
*, unsigned));
1714 char *print_hex_2
PROTO ((unsigned, const u_int8_t
*, unsigned));
1715 char *print_hex_3
PROTO ((unsigned, const u_int8_t
*, unsigned));
1716 char *print_dotted_quads
PROTO ((unsigned, const u_int8_t
*));
1717 char *print_dec_1
PROTO ((unsigned long));
1718 char *print_dec_2
PROTO ((unsigned long));
1719 void print_expression
PROTO ((const char *, struct expression
*));
1720 int token_print_indent_concat (FILE *, int, int,
1721 const char *, const char *, ...);
1722 int token_indent_data_string (FILE *, int, int, const char *, const char *,
1723 struct data_string
*);
1724 int token_print_indent (FILE *, int, int,
1725 const char *, const char *, const char *);
1726 void indent_spaces (FILE *, int);
1727 #if defined (NSUPDATE)
1728 void print_dns_status (int, ns_updque
*);
1730 const char *print_time(TIME
);
1733 #if defined (USE_SOCKET_SEND) || defined (USE_SOCKET_RECEIVE) \
1734 || defined (USE_SOCKET_FALLBACK)
1735 int if_register_socket
PROTO ((struct interface_info
*));
1738 #if defined (USE_SOCKET_FALLBACK) && !defined (USE_SOCKET_SEND)
1739 void if_reinitialize_fallback
PROTO ((struct interface_info
*));
1740 void if_register_fallback
PROTO ((struct interface_info
*));
1741 ssize_t send_fallback
PROTO ((struct interface_info
*,
1742 struct packet
*, struct dhcp_packet
*, size_t,
1744 struct sockaddr_in
*, struct hardware
*));
1747 #ifdef USE_SOCKET_SEND
1748 void if_reinitialize_send
PROTO ((struct interface_info
*));
1749 void if_register_send
PROTO ((struct interface_info
*));
1750 void if_deregister_send
PROTO ((struct interface_info
*));
1751 ssize_t send_packet
PROTO ((struct interface_info
*,
1752 struct packet
*, struct dhcp_packet
*, size_t,
1754 struct sockaddr_in
*, struct hardware
*));
1756 #ifdef USE_SOCKET_RECEIVE
1757 void if_reinitialize_receive
PROTO ((struct interface_info
*));
1758 void if_register_receive
PROTO ((struct interface_info
*));
1759 void if_deregister_receive
PROTO ((struct interface_info
*));
1760 ssize_t receive_packet
PROTO ((struct interface_info
*,
1761 unsigned char *, size_t,
1762 struct sockaddr_in
*, struct hardware
*));
1765 #if defined (USE_SOCKET_FALLBACK)
1766 isc_result_t fallback_discard
PROTO ((omapi_object_t
*));
1769 #if defined (USE_SOCKET_SEND)
1770 int can_unicast_without_arp
PROTO ((struct interface_info
*));
1771 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
1772 int supports_multiple_interfaces (struct interface_info
*);
1773 void maybe_setup_fallback
PROTO ((void));
1777 #if defined (USE_BPF_SEND) || defined (USE_BPF_RECEIVE)
1778 int if_register_bpf
PROTO ( (struct interface_info
*));
1781 void if_reinitialize_send
PROTO ((struct interface_info
*));
1782 void if_register_send
PROTO ((struct interface_info
*));
1783 void if_deregister_send
PROTO ((struct interface_info
*));
1784 ssize_t send_packet
PROTO ((struct interface_info
*,
1785 struct packet
*, struct dhcp_packet
*, size_t,
1787 struct sockaddr_in
*, struct hardware
*));
1789 #ifdef USE_BPF_RECEIVE
1790 void if_reinitialize_receive
PROTO ((struct interface_info
*));
1791 void if_register_receive
PROTO ((struct interface_info
*));
1792 void if_deregister_receive
PROTO ((struct interface_info
*));
1793 ssize_t receive_packet
PROTO ((struct interface_info
*,
1794 unsigned char *, size_t,
1795 struct sockaddr_in
*, struct hardware
*));
1797 #if defined (USE_BPF_SEND)
1798 int can_unicast_without_arp
PROTO ((struct interface_info
*));
1799 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
1800 int supports_multiple_interfaces (struct interface_info
*);
1801 void maybe_setup_fallback
PROTO ((void));
1805 #if defined (USE_LPF_SEND) || defined (USE_LPF_RECEIVE)
1806 int if_register_lpf
PROTO ( (struct interface_info
*));
1809 void if_reinitialize_send
PROTO ((struct interface_info
*));
1810 void if_register_send
PROTO ((struct interface_info
*));
1811 void if_deregister_send
PROTO ((struct interface_info
*));
1812 ssize_t send_packet
PROTO ((struct interface_info
*,
1813 struct packet
*, struct dhcp_packet
*, size_t,
1815 struct sockaddr_in
*, struct hardware
*));
1817 #ifdef USE_LPF_RECEIVE
1818 void if_reinitialize_receive
PROTO ((struct interface_info
*));
1819 void if_register_receive
PROTO ((struct interface_info
*));
1820 void if_deregister_receive
PROTO ((struct interface_info
*));
1821 ssize_t receive_packet
PROTO ((struct interface_info
*,
1822 unsigned char *, size_t,
1823 struct sockaddr_in
*, struct hardware
*));
1825 #if defined (USE_LPF_SEND)
1826 int can_unicast_without_arp
PROTO ((struct interface_info
*));
1827 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
1828 int supports_multiple_interfaces (struct interface_info
*);
1829 void maybe_setup_fallback
PROTO ((void));
1833 #if defined (USE_NIT_SEND) || defined (USE_NIT_RECEIVE)
1834 int if_register_nit
PROTO ( (struct interface_info
*));
1838 void if_reinitialize_send
PROTO ((struct interface_info
*));
1839 void if_register_send
PROTO ((struct interface_info
*));
1840 void if_deregister_send
PROTO ((struct interface_info
*));
1841 ssize_t send_packet
PROTO ((struct interface_info
*,
1842 struct packet
*, struct dhcp_packet
*, size_t,
1844 struct sockaddr_in
*, struct hardware
*));
1846 #ifdef USE_NIT_RECEIVE
1847 void if_reinitialize_receive
PROTO ((struct interface_info
*));
1848 void if_register_receive
PROTO ((struct interface_info
*));
1849 void if_deregister_receive
PROTO ((struct interface_info
*));
1850 ssize_t receive_packet
PROTO ((struct interface_info
*,
1851 unsigned char *, size_t,
1852 struct sockaddr_in
*, struct hardware
*));
1854 #if defined (USE_NIT_SEND)
1855 int can_unicast_without_arp
PROTO ((struct interface_info
*));
1856 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
1857 int supports_multiple_interfaces (struct interface_info
*);
1858 void maybe_setup_fallback
PROTO ((void));
1862 #if defined (USE_DLPI_SEND) || defined (USE_DLPI_RECEIVE)
1863 int if_register_dlpi
PROTO ( (struct interface_info
*));
1866 #ifdef USE_DLPI_SEND
1867 void if_reinitialize_send
PROTO ((struct interface_info
*));
1868 void if_register_send
PROTO ((struct interface_info
*));
1869 void if_deregister_send
PROTO ((struct interface_info
*));
1870 ssize_t send_packet
PROTO ((struct interface_info
*,
1871 struct packet
*, struct dhcp_packet
*, size_t,
1873 struct sockaddr_in
*, struct hardware
*));
1875 #ifdef USE_DLPI_RECEIVE
1876 void if_reinitialize_receive
PROTO ((struct interface_info
*));
1877 void if_register_receive
PROTO ((struct interface_info
*));
1878 void if_deregister_receive
PROTO ((struct interface_info
*));
1879 ssize_t receive_packet
PROTO ((struct interface_info
*,
1880 unsigned char *, size_t,
1881 struct sockaddr_in
*, struct hardware
*));
1887 void if_reinitialize_send
PROTO ((struct interface_info
*));
1888 void if_register_send
PROTO ((struct interface_info
*));
1889 void if_deregister_send
PROTO ((struct interface_info
*));
1890 ssize_t send_packet
PROTO ((struct interface_info
*,
1891 struct packet
*, struct dhcp_packet
*, size_t,
1893 struct sockaddr_in
*, struct hardware
*));
1894 int can_unicast_without_arp
PROTO ((struct interface_info
*));
1895 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
1896 int supports_multiple_interfaces (struct interface_info
*);
1897 void maybe_setup_fallback
PROTO ((void));
1901 extern struct interface_info
*interfaces
,
1902 *dummy_interfaces
, *fallback_interface
;
1903 extern struct protocol
*protocols
;
1904 extern int quiet_interface_discovery
;
1905 isc_result_t
interface_setup (void);
1906 void interface_trace_setup (void);
1908 extern struct in_addr limited_broadcast
;
1909 extern struct in_addr local_address
;
1911 extern u_int16_t local_port
;
1912 extern u_int16_t remote_port
;
1913 extern int (*dhcp_interface_setup_hook
) (struct interface_info
*,
1915 extern int (*dhcp_interface_discovery_hook
) (struct interface_info
*);
1916 isc_result_t (*dhcp_interface_startup_hook
) (struct interface_info
*);
1918 extern void (*bootp_packet_handler
) PROTO ((struct interface_info
*,
1919 struct dhcp_packet
*, unsigned,
1921 struct iaddr
, struct hardware
*));
1922 extern struct timeout
*timeouts
;
1923 extern omapi_object_type_t
*dhcp_type_interface
;
1924 #if defined (TRACING)
1925 trace_type_t
*interface_trace
;
1926 trace_type_t
*inpacket_trace
;
1927 trace_type_t
*outpacket_trace
;
1929 extern struct interface_info
**interface_vector
;
1930 extern int interface_count
;
1931 extern int interface_max
;
1932 isc_result_t
interface_initialize (omapi_object_t
*, const char *, int);
1933 void discover_interfaces
PROTO ((int));
1934 int setup_fallback (struct interface_info
**, const char *, int);
1935 int if_readsocket
PROTO ((omapi_object_t
*));
1936 void reinitialize_interfaces
PROTO ((void));
1939 void set_time(TIME
);
1940 struct timeval
*process_outstanding_timeouts (struct timeval
*);
1941 void dispatch
PROTO ((void));
1942 isc_result_t got_one
PROTO ((omapi_object_t
*));
1943 isc_result_t
interface_set_value (omapi_object_t
*, omapi_object_t
*,
1944 omapi_data_string_t
*, omapi_typed_data_t
*);
1945 isc_result_t
interface_get_value (omapi_object_t
*, omapi_object_t
*,
1946 omapi_data_string_t
*, omapi_value_t
**);
1947 isc_result_t
interface_destroy (omapi_object_t
*, const char *, int);
1948 isc_result_t
interface_signal_handler (omapi_object_t
*,
1949 const char *, va_list);
1950 isc_result_t
interface_stuff_values (omapi_object_t
*,
1954 void add_timeout
PROTO ((TIME
, void (*) PROTO ((void *)), void *,
1955 tvref_t
, tvunref_t
));
1956 void cancel_timeout
PROTO ((void (*) PROTO ((void *)), void *));
1957 void cancel_all_timeouts (void);
1958 void relinquish_timeouts (void);
1960 struct protocol
*add_protocol
PROTO ((const char *, int,
1961 void (*) PROTO ((struct protocol
*)),
1964 void remove_protocol
PROTO ((struct protocol
*));
1966 OMAPI_OBJECT_ALLOC_DECL (interface
,
1967 struct interface_info
, dhcp_type_interface
)
1970 extern char *default_option_format
;
1971 extern struct universe dhcp_universe
;
1972 extern struct universe nwip_universe
;
1973 extern struct universe fqdn_universe
;
1974 extern int dhcp_option_default_priority_list
[];
1975 extern int dhcp_option_default_priority_list_count
;
1976 extern const char *hardware_types
[256];
1977 int universe_count
, universe_max
;
1978 struct universe
**universes
;
1979 extern universe_hash_t
*universe_hash
;
1980 void initialize_common_option_spaces
PROTO ((void));
1981 struct universe
*config_universe
;
1984 #if defined (FAILOVER_PROTOCOL)
1985 extern failover_option_t null_failover_option
;
1986 extern failover_option_t skip_failover_option
;
1987 extern struct failover_option_info ft_options
[];
1988 extern u_int32_t fto_allowed
[];
1989 extern int ft_sizes
[];
1990 extern const char *dhcp_flink_state_names
[];
1992 extern const char *binding_state_names
[];
1994 extern struct universe agent_universe
;
1995 extern struct universe server_universe
;
1997 extern struct enumeration ddns_styles
;
1998 extern struct enumeration syslog_enum
;
1999 void initialize_server_option_spaces
PROTO ((void));
2002 struct iaddr subnet_number
PROTO ((struct iaddr
, struct iaddr
));
2003 struct iaddr ip_addr
PROTO ((struct iaddr
, struct iaddr
, u_int32_t
));
2004 struct iaddr broadcast_addr
PROTO ((struct iaddr
, struct iaddr
));
2005 u_int32_t host_addr
PROTO ((struct iaddr
, struct iaddr
));
2006 int addr_eq
PROTO ((struct iaddr
, struct iaddr
));
2007 int addr_match(struct iaddr
*, struct iaddrmatch
*);
2008 char *piaddr
PROTO ((struct iaddr
));
2009 char *piaddrmask (struct iaddr
, struct iaddr
, const char *, int);
2012 extern const char *path_dhclient_conf
;
2013 extern const char *path_dhclient_db
;
2014 extern const char *path_dhclient_pid
;
2015 extern char *path_dhclient_script
;
2016 extern int interfaces_requested
;
2018 extern struct client_config top_level_config
;
2020 void dhcpoffer
PROTO ((struct packet
*));
2021 void dhcpack
PROTO ((struct packet
*));
2022 void dhcpnak
PROTO ((struct packet
*));
2024 void send_discover
PROTO ((void *));
2025 void send_request
PROTO ((void *));
2026 void send_release
PROTO ((void *));
2027 void send_decline
PROTO ((void *));
2029 void state_reboot
PROTO ((void *));
2030 void state_init
PROTO ((void *));
2031 void state_selecting
PROTO ((void *));
2032 void state_requesting
PROTO ((void *));
2033 void state_bound
PROTO ((void *));
2034 void state_stop
PROTO ((void *));
2035 void state_panic
PROTO ((void *));
2037 void bind_lease
PROTO ((struct client_state
*));
2039 void make_client_options
PROTO ((struct client_state
*,
2040 struct client_lease
*, u_int8_t
*,
2041 struct option_cache
*, struct iaddr
*,
2042 u_int32_t
*, struct option_state
**));
2043 void make_discover
PROTO ((struct client_state
*, struct client_lease
*));
2044 void make_request
PROTO ((struct client_state
*, struct client_lease
*));
2045 void make_decline
PROTO ((struct client_state
*, struct client_lease
*));
2046 void make_release
PROTO ((struct client_state
*, struct client_lease
*));
2048 void destroy_client_lease
PROTO ((struct client_lease
*));
2049 void rewrite_client_leases
PROTO ((void));
2050 void write_lease_option (struct option_cache
*, struct packet
*,
2051 struct lease
*, struct client_state
*,
2052 struct option_state
*, struct option_state
*,
2053 struct binding_scope
**, struct universe
*, void *);
2054 int write_client_lease
PROTO ((struct client_state
*,
2055 struct client_lease
*, int, int));
2056 int dhcp_option_ev_name (char *, size_t, struct option
*);
2058 void script_init
PROTO ((struct client_state
*, const char *,
2059 struct string_list
*));
2060 void client_option_envadd (struct option_cache
*, struct packet
*,
2061 struct lease
*, struct client_state
*,
2062 struct option_state
*, struct option_state
*,
2063 struct binding_scope
**, struct universe
*, void *);
2064 void script_write_params
PROTO ((struct client_state
*,
2065 const char *, struct client_lease
*));
2066 int script_go
PROTO ((struct client_state
*));
2067 void client_envadd (struct client_state
*,
2068 const char *, const char *, const char *, ...)
2069 __attribute__((__format__(__printf__
,4,5)));
2071 struct client_lease
*packet_to_lease (struct packet
*, struct client_state
*);
2072 void go_daemon
PROTO ((void));
2073 void write_client_pid_file
PROTO ((void));
2074 void client_location_changed
PROTO ((void));
2075 void do_release
PROTO ((struct client_state
*));
2076 int dhclient_interface_shutdown_hook (struct interface_info
*);
2077 int dhclient_interface_discovery_hook (struct interface_info
*);
2078 isc_result_t
dhclient_interface_startup_hook (struct interface_info
*);
2079 void client_dns_update_timeout (void *cp
);
2080 isc_result_t
client_dns_update (struct client_state
*client
, int, int);
2083 int write_lease
PROTO ((struct lease
*));
2084 int write_host
PROTO ((struct host_decl
*));
2085 #if defined (FAILOVER_PROTOCOL)
2086 int write_failover_state (dhcp_failover_state_t
*);
2088 int db_printable
PROTO ((const char *));
2089 int db_printable_len
PROTO ((const unsigned char *, unsigned));
2090 isc_result_t
write_named_billing_class(const void *, unsigned, void *);
2091 void write_billing_classes (void);
2092 int write_billing_class
PROTO ((struct class *));
2093 void commit_leases_timeout
PROTO ((void *));
2094 int commit_leases
PROTO ((void));
2095 void db_startup
PROTO ((int));
2096 int new_lease_file
PROTO ((void));
2097 int group_writer (struct group_object
*);
2100 u_int32_t checksum
PROTO ((unsigned char *, unsigned, u_int32_t
));
2101 u_int32_t wrapsum
PROTO ((u_int32_t
));
2102 void assemble_hw_header
PROTO ((struct interface_info
*, unsigned char *,
2103 unsigned *, struct hardware
*));
2104 void assemble_udp_ip_header
PROTO ((struct interface_info
*, unsigned char *,
2105 unsigned *, u_int32_t
, u_int32_t
,
2106 u_int32_t
, unsigned char *, unsigned));
2107 ssize_t decode_hw_header
PROTO ((struct interface_info
*, unsigned char *,
2108 unsigned, struct hardware
*));
2109 ssize_t decode_udp_ip_header
PROTO ((struct interface_info
*, unsigned char *,
2110 unsigned, struct sockaddr_in
*,
2114 void assemble_ethernet_header
PROTO ((struct interface_info
*, unsigned char *,
2115 unsigned *, struct hardware
*));
2116 ssize_t decode_ethernet_header
PROTO ((struct interface_info
*,
2118 unsigned, struct hardware
*));
2121 void assemble_tr_header
PROTO ((struct interface_info
*, unsigned char *,
2122 unsigned *, struct hardware
*));
2123 ssize_t decode_tr_header
PROTO ((struct interface_info
*,
2125 unsigned, struct hardware
*));
2128 void convert_statement
PROTO ((struct parse
*));
2129 void convert_host_statement
PROTO ((struct parse
*, jrefproto
));
2130 void convert_host_name
PROTO ((struct parse
*, jrefproto
));
2131 void convert_class_statement
PROTO ((struct parse
*, jrefproto
, int));
2132 void convert_class_decl
PROTO ((struct parse
*, jrefproto
));
2133 void convert_lease_time
PROTO ((struct parse
*, jrefproto
, char *));
2134 void convert_shared_net_statement
PROTO ((struct parse
*, jrefproto
));
2135 void convert_subnet_statement
PROTO ((struct parse
*, jrefproto
));
2136 void convert_subnet_decl
PROTO ((struct parse
*, jrefproto
));
2137 void convert_host_decl
PROTO ((struct parse
*, jrefproto
));
2138 void convert_hardware_decl
PROTO ((struct parse
*, jrefproto
));
2139 void convert_hardware_addr
PROTO ((struct parse
*, jrefproto
));
2140 void convert_filename_decl
PROTO ((struct parse
*, jrefproto
));
2141 void convert_servername_decl
PROTO ((struct parse
*, jrefproto
));
2142 void convert_ip_addr_or_hostname
PROTO ((struct parse
*, jrefproto
, int));
2143 void convert_fixed_addr_decl
PROTO ((struct parse
*, jrefproto
));
2144 void convert_option_decl
PROTO ((struct parse
*, jrefproto
));
2145 void convert_lease_statement
PROTO ((struct parse
*, jrefproto
));
2146 void convert_address_range
PROTO ((struct parse
*, jrefproto
));
2147 void convert_date
PROTO ((struct parse
*, jrefproto
, char *));
2148 void convert_numeric_aggregate
PROTO ((struct parse
*, jrefproto
, int, int, int, int));
2149 void indent
PROTO ((int));
2152 void add_route_direct
PROTO ((struct interface_info
*, struct in_addr
));
2153 void add_route_net
PROTO ((struct interface_info
*, struct in_addr
,
2155 void add_route_default_gateway
PROTO ((struct interface_info
*,
2157 void remove_routes
PROTO ((struct in_addr
));
2158 void remove_if_route
PROTO ((struct interface_info
*, struct in_addr
));
2159 void remove_all_if_routes
PROTO ((struct interface_info
*));
2160 void set_netmask
PROTO ((struct interface_info
*, struct in_addr
));
2161 void set_broadcast_addr
PROTO ((struct interface_info
*, struct in_addr
));
2162 void set_ip_address
PROTO ((struct interface_info
*, struct in_addr
));
2165 isc_result_t read_client_conf
PROTO ((void));
2166 int read_client_conf_file (const char *,
2167 struct interface_info
*, struct client_config
*);
2168 void read_client_leases
PROTO ((void));
2169 void parse_client_statement
PROTO ((struct parse
*, struct interface_info
*,
2170 struct client_config
*));
2171 int parse_X
PROTO ((struct parse
*, u_int8_t
*, unsigned));
2172 void parse_option_list
PROTO ((struct parse
*, u_int32_t
**));
2173 void parse_interface_declaration
PROTO ((struct parse
*,
2174 struct client_config
*, char *));
2175 int interface_or_dummy
PROTO ((struct interface_info
**, const char *));
2176 void make_client_state
PROTO ((struct client_state
**));
2177 void make_client_config
PROTO ((struct client_state
*,
2178 struct client_config
*));
2179 void parse_client_lease_statement
PROTO ((struct parse
*, int));
2180 void parse_client_lease_declaration
PROTO ((struct parse
*,
2181 struct client_lease
*,
2182 struct interface_info
**,
2183 struct client_state
**));
2184 int parse_option_decl
PROTO ((struct option_cache
**, struct parse
*));
2185 void parse_string_list
PROTO ((struct parse
*, struct string_list
**, int));
2186 int parse_ip_addr
PROTO ((struct parse
*, struct iaddr
*));
2187 int parse_ip_addr_with_subnet(struct parse
*, struct iaddrmatch
*);
2188 void parse_reject_statement
PROTO ((struct parse
*, struct client_config
*));
2191 void relay
PROTO ((struct interface_info
*, struct dhcp_packet
*, unsigned,
2192 unsigned int, struct iaddr
, struct hardware
*));
2193 int strip_relay_agent_options
PROTO ((struct interface_info
*,
2194 struct interface_info
**,
2195 struct dhcp_packet
*, unsigned));
2196 int find_interface_by_agent_option
PROTO ((struct dhcp_packet
*,
2197 struct interface_info
**,
2199 int add_relay_agent_options
PROTO ((struct interface_info
*,
2200 struct dhcp_packet
*,
2201 unsigned, struct in_addr
));
2204 OMAPI_OBJECT_ALLOC_DECL (icmp_state
, struct icmp_state
, dhcp_type_icmp
)
2205 extern struct icmp_state
*icmp_state
;
2206 void icmp_startup
PROTO ((int, void (*) PROTO ((struct iaddr
,
2207 u_int8_t
*, int))));
2208 int icmp_readsocket
PROTO ((omapi_object_t
*));
2209 int icmp_echorequest
PROTO ((struct iaddr
*));
2210 isc_result_t icmp_echoreply
PROTO ((omapi_object_t
*));
2213 #if defined (NSUPDATE)
2214 isc_result_t
find_tsig_key (ns_tsig_key
**, const char *, struct dns_zone
*);
2215 void tkey_free (ns_tsig_key
**);
2217 isc_result_t
enter_dns_zone (struct dns_zone
*);
2218 isc_result_t
dns_zone_lookup (struct dns_zone
**, const char *);
2219 int dns_zone_dereference
PROTO ((struct dns_zone
**, const char *, int));
2220 #if defined (NSUPDATE)
2221 isc_result_t
find_cached_zone (const char *, ns_class
, char *,
2222 size_t, struct in_addr
*, int, int *,
2223 struct dns_zone
**);
2224 void forget_zone (struct dns_zone
**);
2225 void repudiate_zone (struct dns_zone
**);
2226 void cache_found_zone (ns_class
, char *, struct in_addr
*, int);
2227 int get_dhcid (struct data_string
*, int, const u_int8_t
*, unsigned);
2228 isc_result_t
ddns_update_a(struct data_string
*, struct iaddr
,
2229 struct data_string
*, unsigned long, unsigned,
2231 isc_result_t
ddns_remove_a (struct data_string
*,
2232 struct iaddr
, struct data_string
*);
2233 #endif /* NSUPDATE */
2236 extern char path_resolv_conf
[];
2237 struct name_server
*name_servers
;
2238 struct domain_search_list
*domains
;
2240 void read_resolv_conf
PROTO ((TIME
));
2241 struct name_server
*first_name_server
PROTO ((void));
2244 #ifdef NEED_INET_ATON
2245 int inet_aton
PROTO ((const char *, struct in_addr
*));
2249 extern int have_billing_classes
;
2250 struct class unknown_class
;
2251 struct class known_class
;
2252 struct collection default_collection
;
2253 struct collection
*collections
;
2254 struct executable_statement
*default_classification_rules
;
2256 void classification_setup
PROTO ((void));
2257 void classify_client
PROTO ((struct packet
*));
2258 int check_collection
PROTO ((struct packet
*, struct lease
*,
2259 struct collection
*));
2260 void classify
PROTO ((struct packet
*, struct class *));
2261 isc_result_t unlink_class
PROTO((struct class **class));
2262 isc_result_t find_class
PROTO ((struct class **, const char *,
2263 const char *, int));
2264 int unbill_class
PROTO ((struct lease
*, struct class *));
2265 int bill_class
PROTO ((struct lease
*, struct class *));
2268 int execute_statements
PROTO ((struct binding_value
**result
,
2269 struct packet
*, struct lease
*,
2270 struct client_state
*,
2271 struct option_state
*, struct option_state
*,
2272 struct binding_scope
**,
2273 struct executable_statement
*));
2274 void execute_statements_in_scope
PROTO ((struct binding_value
**result
,
2275 struct packet
*, struct lease
*,
2276 struct client_state
*,
2277 struct option_state
*,
2278 struct option_state
*,
2279 struct binding_scope
**,
2280 struct group
*, struct group
*));
2281 int executable_statement_dereference
PROTO ((struct executable_statement
**,
2282 const char *, int));
2283 void write_statements (FILE *, struct executable_statement
*, int);
2284 int find_matching_case (struct executable_statement
**,
2285 struct packet
*, struct lease
*, struct client_state
*,
2286 struct option_state
*, struct option_state
*,
2287 struct binding_scope
**,
2288 struct expression
*, struct executable_statement
*);
2289 int executable_statement_foreach (struct executable_statement
*,
2290 int (*) (struct executable_statement
*,
2291 void *, int), void *, int);
2294 extern omapi_object_type_t
*dhcp_type_interface
;
2295 extern omapi_object_type_t
*dhcp_type_group
;
2296 extern omapi_object_type_t
*dhcp_type_shared_network
;
2297 extern omapi_object_type_t
*dhcp_type_subnet
;
2298 extern omapi_object_type_t
*dhcp_type_control
;
2299 extern dhcp_control_object_t
*dhcp_control_object
;
2301 void dhcp_common_objects_setup (void);
2303 isc_result_t
dhcp_group_set_value (omapi_object_t
*, omapi_object_t
*,
2304 omapi_data_string_t
*,
2305 omapi_typed_data_t
*);
2306 isc_result_t
dhcp_group_get_value (omapi_object_t
*, omapi_object_t
*,
2307 omapi_data_string_t
*,
2309 isc_result_t
dhcp_group_destroy (omapi_object_t
*, const char *, int);
2310 isc_result_t
dhcp_group_signal_handler (omapi_object_t
*,
2311 const char *, va_list);
2312 isc_result_t
dhcp_group_stuff_values (omapi_object_t
*,
2315 isc_result_t
dhcp_group_lookup (omapi_object_t
**,
2316 omapi_object_t
*, omapi_object_t
*);
2317 isc_result_t
dhcp_group_create (omapi_object_t
**,
2319 isc_result_t
dhcp_group_remove (omapi_object_t
*,
2322 isc_result_t
dhcp_control_set_value (omapi_object_t
*, omapi_object_t
*,
2323 omapi_data_string_t
*,
2324 omapi_typed_data_t
*);
2325 isc_result_t
dhcp_control_get_value (omapi_object_t
*, omapi_object_t
*,
2326 omapi_data_string_t
*,
2328 isc_result_t
dhcp_control_destroy (omapi_object_t
*, const char *, int);
2329 isc_result_t
dhcp_control_signal_handler (omapi_object_t
*,
2330 const char *, va_list);
2331 isc_result_t
dhcp_control_stuff_values (omapi_object_t
*,
2334 isc_result_t
dhcp_control_lookup (omapi_object_t
**,
2335 omapi_object_t
*, omapi_object_t
*);
2336 isc_result_t
dhcp_control_create (omapi_object_t
**,
2338 isc_result_t
dhcp_control_remove (omapi_object_t
*,
2341 isc_result_t
dhcp_subnet_set_value (omapi_object_t
*, omapi_object_t
*,
2342 omapi_data_string_t
*,
2343 omapi_typed_data_t
*);
2344 isc_result_t
dhcp_subnet_get_value (omapi_object_t
*, omapi_object_t
*,
2345 omapi_data_string_t
*,
2347 isc_result_t
dhcp_subnet_destroy (omapi_object_t
*, const char *, int);
2348 isc_result_t
dhcp_subnet_signal_handler (omapi_object_t
*,
2349 const char *, va_list);
2350 isc_result_t
dhcp_subnet_stuff_values (omapi_object_t
*,
2353 isc_result_t
dhcp_subnet_lookup (omapi_object_t
**,
2354 omapi_object_t
*, omapi_object_t
*);
2355 isc_result_t
dhcp_subnet_create (omapi_object_t
**,
2357 isc_result_t
dhcp_subnet_remove (omapi_object_t
*,
2360 isc_result_t
dhcp_shared_network_set_value (omapi_object_t
*,
2362 omapi_data_string_t
*,
2363 omapi_typed_data_t
*);
2364 isc_result_t
dhcp_shared_network_get_value (omapi_object_t
*,
2366 omapi_data_string_t
*,
2368 isc_result_t
dhcp_shared_network_destroy (omapi_object_t
*, const char *, int);
2369 isc_result_t
dhcp_shared_network_signal_handler (omapi_object_t
*,
2370 const char *, va_list);
2371 isc_result_t
dhcp_shared_network_stuff_values (omapi_object_t
*,
2374 isc_result_t
dhcp_shared_network_lookup (omapi_object_t
**,
2375 omapi_object_t
*, omapi_object_t
*);
2376 isc_result_t
dhcp_shared_network_create (omapi_object_t
**,
2378 isc_result_t
dhcp_shared_network_remove (omapi_object_t
*,
2382 extern int (*dhcp_interface_shutdown_hook
) (struct interface_info
*);
2384 extern omapi_object_type_t
*dhcp_type_lease
;
2385 extern omapi_object_type_t
*dhcp_type_pool
;
2386 extern omapi_object_type_t
*dhcp_type_class
;
2387 extern omapi_object_type_t
*dhcp_type_subclass
;
2389 #if defined (FAILOVER_PROTOCOL)
2390 extern omapi_object_type_t
*dhcp_type_failover_state
;
2391 extern omapi_object_type_t
*dhcp_type_failover_link
;
2392 extern omapi_object_type_t
*dhcp_type_failover_listener
;
2395 void dhcp_db_objects_setup (void);
2397 isc_result_t
dhcp_lease_set_value (omapi_object_t
*, omapi_object_t
*,
2398 omapi_data_string_t
*,
2399 omapi_typed_data_t
*);
2400 isc_result_t
dhcp_lease_get_value (omapi_object_t
*, omapi_object_t
*,
2401 omapi_data_string_t
*,
2403 isc_result_t
dhcp_lease_destroy (omapi_object_t
*, const char *, int);
2404 isc_result_t
dhcp_lease_signal_handler (omapi_object_t
*,
2405 const char *, va_list);
2406 isc_result_t
dhcp_lease_stuff_values (omapi_object_t
*,
2409 isc_result_t
dhcp_lease_lookup (omapi_object_t
**,
2410 omapi_object_t
*, omapi_object_t
*);
2411 isc_result_t
dhcp_lease_create (omapi_object_t
**,
2413 isc_result_t
dhcp_lease_remove (omapi_object_t
*,
2415 isc_result_t
dhcp_group_set_value (omapi_object_t
*, omapi_object_t
*,
2416 omapi_data_string_t
*,
2417 omapi_typed_data_t
*);
2418 isc_result_t
dhcp_group_get_value (omapi_object_t
*, omapi_object_t
*,
2419 omapi_data_string_t
*,
2421 isc_result_t
dhcp_group_destroy (omapi_object_t
*, const char *, int);
2422 isc_result_t
dhcp_group_signal_handler (omapi_object_t
*,
2423 const char *, va_list);
2424 isc_result_t
dhcp_group_stuff_values (omapi_object_t
*,
2427 isc_result_t
dhcp_group_lookup (omapi_object_t
**,
2428 omapi_object_t
*, omapi_object_t
*);
2429 isc_result_t
dhcp_group_create (omapi_object_t
**,
2431 isc_result_t
dhcp_group_remove (omapi_object_t
*,
2433 isc_result_t
dhcp_host_set_value (omapi_object_t
*, omapi_object_t
*,
2434 omapi_data_string_t
*,
2435 omapi_typed_data_t
*);
2436 isc_result_t
dhcp_host_get_value (omapi_object_t
*, omapi_object_t
*,
2437 omapi_data_string_t
*,
2439 isc_result_t
dhcp_host_destroy (omapi_object_t
*, const char *, int);
2440 isc_result_t
dhcp_host_signal_handler (omapi_object_t
*,
2441 const char *, va_list);
2442 isc_result_t
dhcp_host_stuff_values (omapi_object_t
*,
2445 isc_result_t
dhcp_host_lookup (omapi_object_t
**,
2446 omapi_object_t
*, omapi_object_t
*);
2447 isc_result_t
dhcp_host_create (omapi_object_t
**,
2449 isc_result_t
dhcp_host_remove (omapi_object_t
*,
2451 isc_result_t
dhcp_pool_set_value (omapi_object_t
*, omapi_object_t
*,
2452 omapi_data_string_t
*,
2453 omapi_typed_data_t
*);
2454 isc_result_t
dhcp_pool_get_value (omapi_object_t
*, omapi_object_t
*,
2455 omapi_data_string_t
*,
2457 isc_result_t
dhcp_pool_destroy (omapi_object_t
*, const char *, int);
2458 isc_result_t
dhcp_pool_signal_handler (omapi_object_t
*,
2459 const char *, va_list);
2460 isc_result_t
dhcp_pool_stuff_values (omapi_object_t
*,
2463 isc_result_t
dhcp_pool_lookup (omapi_object_t
**,
2464 omapi_object_t
*, omapi_object_t
*);
2465 isc_result_t
dhcp_pool_create (omapi_object_t
**,
2467 isc_result_t
dhcp_pool_remove (omapi_object_t
*,
2469 isc_result_t
dhcp_class_set_value (omapi_object_t
*, omapi_object_t
*,
2470 omapi_data_string_t
*,
2471 omapi_typed_data_t
*);
2472 isc_result_t
dhcp_class_get_value (omapi_object_t
*, omapi_object_t
*,
2473 omapi_data_string_t
*,
2475 isc_result_t
dhcp_class_destroy (omapi_object_t
*, const char *, int);
2476 isc_result_t
dhcp_class_signal_handler (omapi_object_t
*,
2477 const char *, va_list);
2478 isc_result_t
dhcp_class_stuff_values (omapi_object_t
*,
2481 isc_result_t
dhcp_class_lookup (omapi_object_t
**,
2482 omapi_object_t
*, omapi_object_t
*);
2483 isc_result_t
dhcp_class_create (omapi_object_t
**,
2485 isc_result_t
dhcp_class_remove (omapi_object_t
*,
2487 isc_result_t
dhcp_subclass_set_value (omapi_object_t
*, omapi_object_t
*,
2488 omapi_data_string_t
*,
2489 omapi_typed_data_t
*);
2490 isc_result_t
dhcp_subclass_get_value (omapi_object_t
*, omapi_object_t
*,
2491 omapi_data_string_t
*,
2493 isc_result_t
dhcp_subclass_destroy (omapi_object_t
*, const char *, int);
2494 isc_result_t
dhcp_subclass_signal_handler (omapi_object_t
*,
2495 const char *, va_list);
2496 isc_result_t
dhcp_subclass_stuff_values (omapi_object_t
*,
2499 isc_result_t
dhcp_subclass_lookup (omapi_object_t
**,
2500 omapi_object_t
*, omapi_object_t
*);
2501 isc_result_t
dhcp_subclass_create (omapi_object_t
**,
2503 isc_result_t
dhcp_subclass_remove (omapi_object_t
*,
2505 isc_result_t
dhcp_shared_network_set_value (omapi_object_t
*,
2507 omapi_data_string_t
*,
2508 omapi_typed_data_t
*);
2509 isc_result_t
dhcp_shared_network_get_value (omapi_object_t
*, omapi_object_t
*,
2510 omapi_data_string_t
*,
2512 isc_result_t
dhcp_shared_network_destroy (omapi_object_t
*, const char *, int);
2513 isc_result_t
dhcp_shared_network_signal_handler (omapi_object_t
*,
2514 const char *, va_list);
2515 isc_result_t
dhcp_shared_network_stuff_values (omapi_object_t
*,
2518 isc_result_t
dhcp_shared_network_lookup (omapi_object_t
**,
2519 omapi_object_t
*, omapi_object_t
*);
2520 isc_result_t
dhcp_shared_network_create (omapi_object_t
**,
2522 isc_result_t
dhcp_subnet_set_value (omapi_object_t
*, omapi_object_t
*,
2523 omapi_data_string_t
*,
2524 omapi_typed_data_t
*);
2525 isc_result_t
dhcp_subnet_get_value (omapi_object_t
*, omapi_object_t
*,
2526 omapi_data_string_t
*,
2528 isc_result_t
dhcp_subnet_destroy (omapi_object_t
*, const char *, int);
2529 isc_result_t
dhcp_subnet_signal_handler (omapi_object_t
*,
2530 const char *, va_list);
2531 isc_result_t
dhcp_subnet_stuff_values (omapi_object_t
*,
2534 isc_result_t
dhcp_subnet_lookup (omapi_object_t
**,
2535 omapi_object_t
*, omapi_object_t
*);
2536 isc_result_t
dhcp_subnet_create (omapi_object_t
**,
2538 isc_result_t
dhcp_interface_set_value (omapi_object_t
*,
2540 omapi_data_string_t
*,
2541 omapi_typed_data_t
*);
2542 isc_result_t
dhcp_interface_get_value (omapi_object_t
*,
2544 omapi_data_string_t
*,
2546 isc_result_t
dhcp_interface_destroy (omapi_object_t
*,
2548 isc_result_t
dhcp_interface_signal_handler (omapi_object_t
*,
2551 isc_result_t
dhcp_interface_stuff_values (omapi_object_t
*,
2554 isc_result_t
dhcp_interface_lookup (omapi_object_t
**,
2557 isc_result_t
dhcp_interface_create (omapi_object_t
**,
2559 isc_result_t
dhcp_interface_remove (omapi_object_t
*,
2561 void interface_stash (struct interface_info
*);
2562 void interface_snorf (struct interface_info
*, int);
2564 isc_result_t
binding_scope_set_value (struct binding_scope
*, int,
2565 omapi_data_string_t
*,
2566 omapi_typed_data_t
*);
2567 isc_result_t
binding_scope_get_value (omapi_value_t
**,
2568 struct binding_scope
*,
2569 omapi_data_string_t
*);
2570 isc_result_t
binding_scope_stuff_values (omapi_object_t
*,
2571 struct binding_scope
*);
2575 extern struct subnet
*subnets
;
2576 extern struct shared_network
*shared_networks
;
2577 extern host_hash_t
*host_hw_addr_hash
;
2578 extern host_hash_t
*host_uid_hash
;
2579 extern host_hash_t
*host_name_hash
;
2580 extern lease_id_hash_t
*lease_uid_hash
;
2581 extern lease_ip_hash_t
*lease_ip_addr_hash
;
2582 extern lease_id_hash_t
*lease_hw_addr_hash
;
2584 extern omapi_object_type_t
*dhcp_type_host
;
2586 extern int numclasseswritten
;
2589 isc_result_t enter_class
PROTO ((struct class *, int, int));
2590 isc_result_t delete_class
PROTO ((struct class *, int));
2591 isc_result_t enter_host
PROTO ((struct host_decl
*, int, int));
2592 isc_result_t delete_host
PROTO ((struct host_decl
*, int));
2593 int find_hosts_by_haddr
PROTO ((struct host_decl
**, int,
2594 const unsigned char *, unsigned,
2595 const char *, int));
2596 int find_hosts_by_uid
PROTO ((struct host_decl
**, const unsigned char *,
2597 unsigned, const char *, int));
2598 int find_host_for_network
PROTO ((struct subnet
**, struct host_decl
**,
2599 struct iaddr
*, struct shared_network
*));
2600 void new_address_range
PROTO ((struct parse
*, struct iaddr
, struct iaddr
,
2601 struct subnet
*, struct pool
*,
2603 isc_result_t
dhcp_lease_free (omapi_object_t
*, const char *, int);
2604 isc_result_t
dhcp_lease_get (omapi_object_t
**, const char *, int);
2605 int find_grouped_subnet
PROTO ((struct subnet
**, struct shared_network
*,
2606 struct iaddr
, const char *, int));
2607 int find_subnet (struct subnet
**, struct iaddr
, const char *, int);
2608 void enter_shared_network
PROTO ((struct shared_network
*));
2609 void new_shared_network_interface
PROTO ((struct parse
*,
2610 struct shared_network
*,
2612 int subnet_inner_than
PROTO ((struct subnet
*, struct subnet
*, int));
2613 void enter_subnet
PROTO ((struct subnet
*));
2614 void enter_lease
PROTO ((struct lease
*));
2615 int supersede_lease
PROTO ((struct lease
*, struct lease
*, int, int, int));
2616 void make_binding_state_transition (struct lease
*);
2617 int lease_copy
PROTO ((struct lease
**, struct lease
*, const char *, int));
2618 void release_lease
PROTO ((struct lease
*, struct packet
*));
2619 void abandon_lease
PROTO ((struct lease
*, const char *));
2620 void dissociate_lease
PROTO ((struct lease
*));
2621 void pool_timer
PROTO ((void *));
2622 int find_lease_by_uid
PROTO ((struct lease
**, const unsigned char *,
2623 unsigned, const char *, int));
2624 int find_lease_by_hw_addr
PROTO ((struct lease
**, const unsigned char *,
2625 unsigned, const char *, int));
2626 int find_lease_by_ip_addr
PROTO ((struct lease
**, struct iaddr
,
2627 const char *, int));
2628 void uid_hash_add
PROTO ((struct lease
*));
2629 void uid_hash_delete
PROTO ((struct lease
*));
2630 void hw_hash_add
PROTO ((struct lease
*));
2631 void hw_hash_delete
PROTO ((struct lease
*));
2632 int write_leases
PROTO ((void));
2633 int lease_enqueue (struct lease
*);
2634 isc_result_t
lease_instantiate(const void *, unsigned, void *);
2635 void expire_all_pools
PROTO ((void));
2636 void dump_subnets
PROTO ((void));
2637 #if defined (DEBUG_MEMORY_LEAKAGE) || \
2638 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
2639 void free_everything (void);
2643 char *ddns_rev_name (struct lease
*, struct lease_state
*, struct packet
*);
2644 char *ddns_fwd_name (struct lease
*, struct lease_state
*, struct packet
*);
2645 int nsupdateA (const char *, const unsigned char *, u_int32_t
, int);
2646 int nsupdatePTR (const char *, const unsigned char *, u_int32_t
, int);
2647 void nsupdate (struct lease
*, struct lease_state
*, struct packet
*, int);
2648 int updateA (const struct data_string
*, const struct data_string
*,
2649 unsigned int, struct lease
*);
2650 int updatePTR (const struct data_string
*, const struct data_string
*,
2651 unsigned int, struct lease
*);
2652 int deleteA (const struct data_string
*, const struct data_string
*,
2654 int deletePTR (const struct data_string
*, const struct data_string
*,
2658 #if defined (FAILOVER_PROTOCOL)
2659 extern dhcp_failover_state_t
*failover_states
;
2660 void dhcp_failover_startup
PROTO ((void));
2661 int dhcp_failover_write_all_states (void);
2662 isc_result_t enter_failover_peer
PROTO ((dhcp_failover_state_t
*));
2663 isc_result_t find_failover_peer
PROTO ((dhcp_failover_state_t
**,
2664 const char *, const char *, int));
2665 isc_result_t dhcp_failover_link_initiate
PROTO ((omapi_object_t
*));
2666 isc_result_t dhcp_failover_link_signal
PROTO ((omapi_object_t
*,
2667 const char *, va_list));
2668 isc_result_t dhcp_failover_link_set_value
PROTO ((omapi_object_t
*,
2670 omapi_data_string_t
*,
2671 omapi_typed_data_t
*));
2672 isc_result_t dhcp_failover_link_get_value
PROTO ((omapi_object_t
*,
2674 omapi_data_string_t
*,
2676 isc_result_t dhcp_failover_link_destroy
PROTO ((omapi_object_t
*,
2677 const char *, int));
2678 isc_result_t dhcp_failover_link_stuff_values
PROTO ((omapi_object_t
*,
2681 isc_result_t dhcp_failover_listen
PROTO ((omapi_object_t
*));
2683 isc_result_t dhcp_failover_listener_signal
PROTO ((omapi_object_t
*,
2686 isc_result_t dhcp_failover_listener_set_value
PROTO ((omapi_object_t
*,
2688 omapi_data_string_t
*,
2689 omapi_typed_data_t
*));
2690 isc_result_t dhcp_failover_listener_get_value
PROTO ((omapi_object_t
*,
2692 omapi_data_string_t
*,
2694 isc_result_t dhcp_failover_listener_destroy
PROTO ((omapi_object_t
*,
2695 const char *, int));
2696 isc_result_t dhcp_failover_listener_stuff
PROTO ((omapi_object_t
*,
2699 isc_result_t dhcp_failover_register
PROTO ((omapi_object_t
*));
2700 isc_result_t dhcp_failover_state_signal
PROTO ((omapi_object_t
*,
2701 const char *, va_list));
2702 isc_result_t
dhcp_failover_state_transition (dhcp_failover_state_t
*,
2704 isc_result_t
dhcp_failover_set_service_state (dhcp_failover_state_t
*state
);
2705 isc_result_t
dhcp_failover_set_state (dhcp_failover_state_t
*,
2706 enum failover_state
);
2707 isc_result_t
dhcp_failover_peer_state_changed (dhcp_failover_state_t
*,
2708 failover_message_t
*);
2709 void dhcp_failover_pool_rebalance (void *);
2710 void dhcp_failover_pool_check (struct pool
*);
2711 int dhcp_failover_state_pool_check (dhcp_failover_state_t
*);
2712 void dhcp_failover_timeout (void *);
2713 void dhcp_failover_send_contact (void *);
2714 isc_result_t
dhcp_failover_send_state (dhcp_failover_state_t
*);
2715 isc_result_t
dhcp_failover_send_updates (dhcp_failover_state_t
*);
2716 int dhcp_failover_queue_update (struct lease
*, int);
2717 int dhcp_failover_send_acks (dhcp_failover_state_t
*);
2718 void dhcp_failover_toack_queue_timeout (void *);
2719 int dhcp_failover_queue_ack (dhcp_failover_state_t
*, failover_message_t
*msg
);
2720 void dhcp_failover_ack_queue_remove (dhcp_failover_state_t
*, struct lease
*);
2721 isc_result_t dhcp_failover_state_set_value
PROTO ((omapi_object_t
*,
2723 omapi_data_string_t
*,
2724 omapi_typed_data_t
*));
2725 void dhcp_failover_keepalive (void *);
2726 void dhcp_failover_reconnect (void *);
2727 void dhcp_failover_startup_timeout (void *);
2728 void dhcp_failover_link_startup_timeout (void *);
2729 void dhcp_failover_listener_restart (void *);
2730 isc_result_t dhcp_failover_state_get_value
PROTO ((omapi_object_t
*,
2732 omapi_data_string_t
*,
2734 isc_result_t dhcp_failover_state_destroy
PROTO ((omapi_object_t
*,
2735 const char *, int));
2736 isc_result_t dhcp_failover_state_stuff
PROTO ((omapi_object_t
*,
2739 isc_result_t dhcp_failover_state_lookup
PROTO ((omapi_object_t
**,
2742 isc_result_t dhcp_failover_state_create
PROTO ((omapi_object_t
**,
2744 isc_result_t dhcp_failover_state_remove
PROTO ((omapi_object_t
*,
2746 int dhcp_failover_state_match (dhcp_failover_state_t
*, u_int8_t
*, unsigned);
2747 int dhcp_failover_state_match_by_name(dhcp_failover_state_t
*,
2748 failover_option_t
*);
2749 const char *dhcp_failover_reject_reason_print (int);
2750 const char *dhcp_failover_state_name_print (enum failover_state
);
2751 const char *dhcp_failover_message_name (unsigned);
2752 const char *dhcp_failover_option_name (unsigned);
2753 failover_option_t
*dhcp_failover_option_printf (unsigned, char *,
2757 __attribute__((__format__(__printf__
,5,6)));
2758 failover_option_t
*dhcp_failover_make_option (unsigned, char *,
2759 unsigned *, unsigned, ...);
2760 isc_result_t
dhcp_failover_put_message (dhcp_failover_link_t
*,
2761 omapi_object_t
*, int, u_int32_t
, ...);
2762 isc_result_t dhcp_failover_send_connect
PROTO ((omapi_object_t
*));
2763 isc_result_t dhcp_failover_send_connectack
PROTO ((omapi_object_t
*,
2764 dhcp_failover_state_t
*,
2765 int, const char *));
2766 isc_result_t dhcp_failover_send_disconnect
PROTO ((omapi_object_t
*,
2767 int, const char *));
2768 isc_result_t
dhcp_failover_send_bind_update (dhcp_failover_state_t
*,
2770 isc_result_t
dhcp_failover_send_bind_ack (dhcp_failover_state_t
*,
2771 failover_message_t
*,
2773 isc_result_t
dhcp_failover_send_poolreq (dhcp_failover_state_t
*);
2774 isc_result_t
dhcp_failover_send_poolresp (dhcp_failover_state_t
*, int);
2775 isc_result_t
dhcp_failover_send_update_request (dhcp_failover_state_t
*);
2776 isc_result_t
dhcp_failover_send_update_request_all (dhcp_failover_state_t
*);
2777 isc_result_t
dhcp_failover_send_update_done (dhcp_failover_state_t
*);
2778 isc_result_t
dhcp_failover_process_bind_update (dhcp_failover_state_t
*,
2779 failover_message_t
*);
2780 isc_result_t
dhcp_failover_process_bind_ack (dhcp_failover_state_t
*,
2781 failover_message_t
*);
2782 isc_result_t
dhcp_failover_generate_update_queue (dhcp_failover_state_t
*,
2784 isc_result_t
dhcp_failover_process_update_request (dhcp_failover_state_t
*,
2785 failover_message_t
*);
2786 isc_result_t
dhcp_failover_process_update_request_all (dhcp_failover_state_t
*,
2787 failover_message_t
*);
2788 isc_result_t
dhcp_failover_process_update_done (dhcp_failover_state_t
*,
2789 failover_message_t
*);
2790 void dhcp_failover_recover_done (void *);
2791 void failover_print
PROTO ((char *, unsigned *, unsigned, const char *));
2792 void update_partner
PROTO ((struct lease
*));
2793 int load_balance_mine (struct packet
*, dhcp_failover_state_t
*);
2794 int peer_wants_lease (struct lease
*);
2795 binding_state_t
normal_binding_state_transition_check (struct lease
*,
2796 dhcp_failover_state_t
*,
2800 conflict_binding_state_transition_check (struct lease
*,
2801 dhcp_failover_state_t
*,
2802 binding_state_t
, u_int32_t
);
2803 int lease_mine_to_reallocate (struct lease
*);
2805 OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_state
, dhcp_failover_state_t
,
2806 dhcp_type_failover_state
)
2807 OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_listener
, dhcp_failover_listener_t
,
2808 dhcp_type_failover_listener
)
2809 OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_link
, dhcp_failover_link_t
,
2810 dhcp_type_failover_link
)
2811 #endif /* FAILOVER_PROTOCOL */
2813 const char *binding_state_print (enum failover_state
);