3 Definitions for dhcpd... */
6 * Copyright (c) 2004-2008 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''.
38 #include <sys/types.h>
39 #include <netinet/in.h>
40 #include <sys/socket.h>
42 #include <arpa/inet.h>
46 #define fd_set cygwin_fd_set
47 #include <sys/types.h>
61 #include <net/route.h>
62 #include <net/if_arp.h>
64 # include <net/if_dl.h>
72 #include "arpa/nameser.h"
73 #if defined (NSUPDATE)
74 # include "minires/minires.h"
78 typedef struct hash_table group_hash_t
;
79 typedef struct hash_table universe_hash_t
;
80 typedef struct hash_table option_name_hash_t
;
81 typedef struct hash_table option_code_hash_t
;
82 typedef struct hash_table dns_zone_hash_t
;
83 typedef struct hash_table lease_ip_hash_t
;
84 typedef struct hash_table lease_id_hash_t
;
85 typedef struct hash_table host_hash_t
;
86 typedef struct hash_table class_hash_t
;
96 #include "statement.h"
102 #include <isc-dhcp/result.h>
103 #include <omapip/omapip_p.h>
105 #if !defined (BYTE_NAME_HASH_SIZE)
106 # define BYTE_NAME_HASH_SIZE 401 /* Default would be ridiculous. */
108 #if !defined (BYTE_CODE_HASH_SIZE)
109 # define BYTE_CODE_HASH_SIZE 254 /* Default would be ridiculous. */
112 /* Although it is highly improbable that a 16-bit option space might
113 * actually use 2^16 actual defined options, it is the worst case
114 * scenario we must prepare for. Having 4 options per bucket in this
115 * case is pretty reasonable.
117 #if !defined (WORD_NAME_HASH_SIZE)
118 # define WORD_NAME_HASH_SIZE 20479
120 #if !defined (WORD_CODE_HASH_SIZE)
121 # define WORD_CODE_HASH_SIZE 16384
124 /* Not only is it improbable that the 32-bit spaces might actually use 2^32
125 * defined options, it is infeasible. It would be best for this kind of
126 * space to be dynamically sized. Instead we size it at the word hash's
129 #if !defined (QUAD_NAME_HASH_SIZE)
130 # define QUAD_NAME_HASH_SIZE WORD_NAME_HASH_SIZE
132 #if !defined (QUAD_CODE_HASH_SIZE)
133 # define QUAD_CODE_HASH_SIZE WORD_CODE_HASH_SIZE
136 #if !defined (DNS_HASH_SIZE)
137 # define DNS_HASH_SIZE 0 /* Default. */
140 /* Default size to use for name/code hashes on user-defined option spaces. */
141 #if !defined (DEFAULT_SPACE_HASH_SIZE)
142 # define DEFAULT_SPACE_HASH_SIZE 11
145 #if !defined (NWIP_HASH_SIZE)
146 # define NWIP_HASH_SIZE 17 /* A really small table. */
149 #if !defined (FQDN_HASH_SIZE)
150 # define FQDN_HASH_SIZE 13 /* A ridiculously small table. */
153 /* I really doubt a given installation is going to have more than a few
154 * hundred vendors involved.
156 #if !defined (VIVCO_HASH_SIZE)
157 # define VIVCO_HASH_SIZE 127
160 #if !defined (VIVSO_HASH_SIZE)
161 # define VIVSO_HASH_SIZE VIVCO_HASH_SIZE
164 #if !defined (VSIO_HASH_SIZE)
165 # define VSIO_HASH_SIZE VIVCO_HASH_SIZE
168 #if !defined (VIV_ISC_HASH_SIZE)
169 # define VIV_ISC_HASH_SIZE 3 /* An incredulously small table. */
172 #if !defined (UNIVERSE_HASH_SIZE)
173 # define UNIVERSE_HASH_SIZE 13 /* A really small table. */
176 #if !defined (GROUP_HASH_SIZE)
177 # define GROUP_HASH_SIZE 0 /* Default. */
180 /* At least one person has indicated they use ~20k host records.
182 #if !defined (HOST_HASH_SIZE)
183 # define HOST_HASH_SIZE 22501
186 /* We have user reports of use of ISC DHCP numbering leases in the 200k's.
188 * We also have reports of folks using 10.0/8 as a dynamic range. The
189 * following is something of a compromise between the two. At the ~2-3
190 * hundred thousand leases, there's ~2-3 leases to search in each bucket.
192 #if !defined (LEASE_HASH_SIZE)
193 # define LEASE_HASH_SIZE 100003
196 /* It is not known what the worst case subclass hash size is. We estimate
199 #if !defined (SCLASS_HASH_SIZE)
200 # define SCLASS_HASH_SIZE 12007
203 #if !defined (AGENT_HASH_SIZE)
204 # define AGENT_HASH_SIZE 11 /* A really small table. */
207 /* The server hash size is used for both names and codes. There aren't
208 * many (roughly 50 at the moment), so we use a smaller table. If we
209 * use a 1:1 table size, then we get name collisions due to poor name
210 * hashing. So we use double the space we need, which drastically
211 * reduces collisions.
213 #if !defined (SERVER_HASH_SIZE)
214 # define SERVER_HASH_SIZE (2*(sizeof(server_options) / sizeof(struct option)))
218 /* How many options are likely to appear in a single packet? */
219 #if !defined (OPTION_HASH_SIZE)
220 # define OPTION_HASH_SIZE 17
221 # define OPTION_HASH_PTWO 32 /* Next power of two above option hash. */
222 # define OPTION_HASH_EXP 5 /* The exponent for that power of two. */
225 #define compute_option_hash(x) \
226 (((x) & (OPTION_HASH_PTWO - 1)) + \
227 (((x) >> OPTION_HASH_EXP) & \
228 (OPTION_HASH_PTWO - 1))) % OPTION_HASH_SIZE;
230 enum dhcp_shutdown_state
{
232 shutdown_omapi_connections
,
233 shutdown_drop_omapi_connections
,
238 /* Client FQDN option, failover FQDN option, etc. */
245 #include "failover.h"
247 /* A parsing context. */
259 * In order to give nice output when we have a parsing error
260 * in our file, we keep track of where we are in the line so
261 * that we can show the user.
263 * We need to keep track of two lines, because we can look
264 * ahead, via the "peek" function, to the next line sometimes.
266 * The "line1" and "line2" variables act as buffers for this
267 * information. The "lpos" variable tells us where we are in the
270 * When we "put back" a character from the parsing context, we
271 * do not want to have the character appear twice in the error
272 * output. So, we set a flag, the "ugflag", which the
273 * get_char() function uses to check for this condition.
281 enum dhcp_token token
;
287 int warnings_occurred
;
290 size_t bufix
, buflen
;
293 struct parse
*saved_state
;
296 /* Variable-length array of data. */
299 struct string_list
*next
;
303 /* A name server, from /etc/resolv.conf. */
305 struct name_server
*next
;
306 struct sockaddr_in addr
;
310 /* A domain search list element. */
311 struct domain_search_list
{
312 struct domain_search_list
*next
;
317 /* Option tag structures are used to build chains of option tags, for
318 when we're sure we're not going to have enough of them to justify
319 maintaining an array. */
322 struct option_tag
*next
;
326 /* An agent option structure. We need a special structure for the
327 Relay Agent Information option because if more than one appears in
328 a message, we have to keep them separate. */
330 struct agent_options
{
331 struct agent_options
*next
;
333 struct option_tag
*first
;
336 struct option_cache
{
338 struct option_cache
*next
;
339 struct expression
*expression
;
340 struct option
*option
;
341 struct data_string data
;
343 #define OPTION_HAD_NULLS 0x00000001
347 struct option_state
{
355 /* A dhcp packet and the pointers to its option values. */
357 struct dhcp_packet
*raw
;
359 unsigned packet_length
;
362 unsigned char dhcpv6_msg_type
; /* DHCPv6 message type */
364 /* DHCPv6 transaction ID */
365 unsigned char dhcpv6_transaction_id
[3];
367 /* DHCPv6 relay information */
368 unsigned char dhcpv6_hop_count
;
369 struct in6_addr dhcpv6_link_address
;
370 struct in6_addr dhcpv6_peer_address
;
372 /* DHCPv6 packet containing this one, or NULL if none */
373 struct packet
*dhcpv6_container_packet
;
377 struct iaddr client_addr
;
378 struct interface_info
*interface
; /* Interface on which packet
380 struct hardware
*haddr
; /* Physical link address
381 of local sender (maybe gateway). */
383 /* Information for relay agent options (see
384 draft-ietf-dhc-agent-options-xx.txt). */
385 u_int8_t
*circuit_id
; /* Circuit ID of client connection. */
387 u_int8_t
*remote_id
; /* Remote ID of client. */
390 int got_requested_address
; /* True if client sent the
391 dhcp-requested-address option. */
393 struct shared_network
*shared_network
;
394 struct option_state
*options
;
396 #if !defined (PACKET_MAX_CLASSES)
397 # define PACKET_MAX_CLASSES 5
400 struct class *classes
[PACKET_MAX_CLASSES
];
405 /* If we stash agent options onto the packet option state, to pretend
406 * options we got in a previous exchange were still there, we need
407 * to signal this in a reliable way.
409 isc_boolean_t agent_options_stashed
;
412 * ISC_TRUE if packet received unicast (as opposed to multicast).
413 * Only used in DHCPv6.
415 isc_boolean_t unicast
;
418 /* A network interface's MAC address. */
429 server_hibernate
= 3,
431 } control_object_state_t
;
434 OMAPI_OBJECT_PREAMBLE
;
435 control_object_state_t state
;
436 } dhcp_control_object_t
;
441 #define FTS_EXPIRED 3
442 #define FTS_RELEASED 4
443 #define FTS_ABANDONED 5
446 typedef u_int8_t binding_state_t
;
448 /* FTS_LAST is the highest value that is valid for a lease binding state. */
449 #define FTS_LAST FTS_BACKUP
451 /* A dhcp lease declaration structure. */
453 OMAPI_OBJECT_PREAMBLE
;
455 struct lease
*n_uid
, *n_hw
;
457 struct iaddr ip_addr
;
458 TIME starts
, ends
, sort_time
;
459 char *client_hostname
;
460 struct binding_scope
*scope
;
461 struct host_decl
*host
;
462 struct subnet
*subnet
;
464 struct class *billing_class
;
465 struct option_chain_head
*agent_options
;
467 struct executable_statement
*on_expiry
;
468 struct executable_statement
*on_commit
;
469 struct executable_statement
*on_release
;
472 unsigned short uid_len
;
473 unsigned short uid_max
;
474 unsigned char uid_buf
[7];
475 struct hardware hardware_addr
;
478 # define STATIC_LEASE 1
479 # define BOOTP_LEASE 2
480 # define RESERVED_LEASE 4
481 # define MS_NULL_TERMINATION 8
482 # define ON_UPDATE_QUEUE 16
483 # define ON_ACK_QUEUE 32
484 # define ON_QUEUE (ON_UPDATE_QUEUE | ON_ACK_QUEUE)
485 # define UNICAST_BROADCAST_HACK 64
486 # define ON_DEFERRED_QUEUE 128
488 /* Persistent flags are to be preserved on a given lease structure. */
489 # define PERSISTENT_FLAGS (ON_ACK_QUEUE | ON_UPDATE_QUEUE)
490 /* Ephemeral flags are to be preserved on a given lease (copied etc). */
491 # define EPHEMERAL_FLAGS (MS_NULL_TERMINATION | \
492 UNICAST_BROADCAST_HACK | \
496 binding_state_t binding_state
;
497 binding_state_t next_binding_state
;
498 binding_state_t desired_binding_state
;
500 struct lease_state
*state
;
502 /* 'tsfp' is more of an 'effective' tsfp. It may be calculated from
503 * stos+mclt for example if it's an expired lease and the server is
504 * in partner-down state. 'atsfp' is zeroed whenever a lease is
505 * updated - and only set when the peer acknowledges it. This
506 * ensures every state change is transmitted.
508 TIME tstp
; /* Time sent to partner. */
509 TIME tsfp
; /* Time sent from partner. */
510 TIME atsfp
; /* Actual time sent from partner. */
511 TIME cltt
; /* Client last transaction time. */
512 u_int32_t last_xid
; /* XID we sent in this lease's BNDUPD */
513 struct lease
*next_pending
;
517 struct lease_state
*next
;
519 struct interface_info
*ip
;
521 struct packet
*packet
; /* The incoming packet. */
525 struct option_state
*options
;
526 struct data_string parameter_request_list
;
527 int max_message_size
;
528 unsigned char expiry
[4], renewal
[4], rebind
[4];
529 struct data_string filename
, server_name
;
530 int got_requested_address
;
531 int got_server_identifier
;
532 struct shared_network
*shared_network
; /* Shared network of interface
533 on which request arrived. */
537 u_int16_t bootp_flags
;
538 struct in_addr ciaddr
;
539 struct in_addr siaddr
;
540 struct in_addr giaddr
;
548 #define SHARED_NET_DECL 2
549 #define SUBNET_DECL 3
554 /* Possible modes in which discover_interfaces can run. */
556 #define DISCOVER_RUNNING 0
557 #define DISCOVER_SERVER 1
558 #define DISCOVER_UNCONFIGURED 2
559 #define DISCOVER_RELAY 3
560 #define DISCOVER_REQUESTED 4
562 /* DDNS_UPDATE_STYLE enumerations. */
563 #define DDNS_UPDATE_STYLE_NONE 0
564 #define DDNS_UPDATE_STYLE_AD_HOC 1
565 #define DDNS_UPDATE_STYLE_INTERIM 2
567 /* Server option names. */
569 #define SV_DEFAULT_LEASE_TIME 1
570 #define SV_MAX_LEASE_TIME 2
571 #define SV_MIN_LEASE_TIME 3
572 #define SV_BOOTP_LEASE_CUTOFF 4
573 #define SV_BOOTP_LEASE_LENGTH 5
574 #define SV_BOOT_UNKNOWN_CLIENTS 6
575 #define SV_DYNAMIC_BOOTP 7
576 #define SV_ALLOW_BOOTP 8
577 #define SV_ALLOW_BOOTING 9
578 #define SV_ONE_LEASE_PER_CLIENT 10
579 #define SV_GET_LEASE_HOSTNAMES 11
580 #define SV_USE_HOST_DECL_NAMES 12
581 #define SV_USE_LEASE_ADDR_FOR_DEFAULT_ROUTE 13
582 #define SV_MIN_SECS 14
583 #define SV_FILENAME 15
584 #define SV_SERVER_NAME 16
585 #define SV_NEXT_SERVER 17
586 #define SV_AUTHORITATIVE 18
587 #define SV_VENDOR_OPTION_SPACE 19
588 #define SV_ALWAYS_REPLY_RFC1048 20
589 #define SV_SITE_OPTION_SPACE 21
590 #define SV_ALWAYS_BROADCAST 22
591 #define SV_DDNS_DOMAIN_NAME 23
592 #define SV_DDNS_HOST_NAME 24
593 #define SV_DDNS_REV_DOMAIN_NAME 25
594 #define SV_LEASE_FILE_NAME 26
595 #define SV_PID_FILE_NAME 27
596 #define SV_DUPLICATES 28
597 #define SV_DECLINES 29
598 #define SV_DDNS_UPDATES 30
599 #define SV_OMAPI_PORT 31
600 #define SV_LOCAL_PORT 32
601 #define SV_LIMITED_BROADCAST_ADDRESS 33
602 #define SV_REMOTE_PORT 34
603 #define SV_LOCAL_ADDRESS 35
604 #define SV_OMAPI_KEY 36
605 #define SV_STASH_AGENT_OPTIONS 37
606 #define SV_DDNS_TTL 38
607 #define SV_DDNS_UPDATE_STYLE 39
608 #define SV_CLIENT_UPDATES 40
609 #define SV_UPDATE_OPTIMIZATION 41
610 #define SV_PING_CHECKS 42
611 #define SV_UPDATE_STATIC_LEASES 43
612 #define SV_LOG_FACILITY 44
613 #define SV_DO_FORWARD_UPDATES 45
614 #define SV_PING_TIMEOUT 46
615 #define SV_RESERVE_INFINITE 47
616 #define SV_DDNS_CONFLICT_DETECT 48
617 #define SV_LEASEQUERY 49
618 #define SV_ADAPTIVE_LEASE_TIME_THRESHOLD 50
619 #define SV_DO_REVERSE_UPDATES 51
620 #define SV_FQDN_REPLY 52
621 #define SV_PREFER_LIFETIME 53
622 #define SV_DHCPV6_LEASE_FILE_NAME 54
623 #define SV_DHCPV6_PID_FILE_NAME 55
624 #define SV_LIMIT_ADDRS_PER_IA 56
625 #define SV_LIMIT_PREFS_PER_IA 57
626 #define SV_DELAYED_ACK 58
627 #define SV_MAX_ACK_DELAY 59
629 #if !defined (DEFAULT_PING_TIMEOUT)
630 # define DEFAULT_PING_TIMEOUT 1
633 #if !defined (DEFAULT_DELAYED_ACK)
634 # define DEFAULT_DELAYED_ACK 28 /* default SO_SNDBUF size / 576 bytes */
637 #if !defined (DEFAULT_ACK_DELAY_SECS)
638 # define DEFAULT_ACK_DELAY_SECS 0
641 #if !defined (DEFAULT_ACK_DELAY_USECS)
642 # define DEFAULT_ACK_DELAY_USECS 250000 /* 1/4 of a second */
645 #if !defined (DEFAULT_DEFAULT_LEASE_TIME)
646 # define DEFAULT_DEFAULT_LEASE_TIME 43200
649 #if !defined (DEFAULT_MIN_LEASE_TIME)
650 # define DEFAULT_MIN_LEASE_TIME 300
653 #if !defined (DEFAULT_MAX_LEASE_TIME)
654 # define DEFAULT_MAX_LEASE_TIME 86400
657 #if !defined (DEFAULT_DDNS_TTL)
658 # define DEFAULT_DDNS_TTL 3600
661 /* Client option names */
664 #define CL_SELECT_INTERVAL 2
665 #define CL_REBOOT_TIMEOUT 3
666 #define CL_RETRY_INTERVAL 4
667 #define CL_BACKOFF_CUTOFF 5
668 #define CL_INITIAL_INTERVAL 6
669 #define CL_BOOTP_POLICY 7
670 #define CL_SCRIPT_NAME 8
671 #define CL_REQUESTED_OPTIONS 9
672 #define CL_REQUESTED_LEASE_TIME 10
673 #define CL_SEND_OPTIONS 11
675 #define CL_REJECT_LIST 13
677 #ifndef CL_DEFAULT_TIMEOUT
678 # define CL_DEFAULT_TIMEOUT 60
681 #ifndef CL_DEFAULT_SELECT_INTERVAL
682 # define CL_DEFAULT_SELECT_INTERVAL 0
685 #ifndef CL_DEFAULT_REBOOT_TIMEOUT
686 # define CL_DEFAULT_REBOOT_TIMEOUT 10
689 #ifndef CL_DEFAULT_RETRY_INTERVAL
690 # define CL_DEFAULT_RETRY_INTERVAL 300
693 #ifndef CL_DEFAULT_BACKOFF_CUTOFF
694 # define CL_DEFAULT_BACKOFF_CUTOFF 120
697 #ifndef CL_DEFAULT_INITIAL_INTERVAL
698 # define CL_DEFAULT_INITIAL_INTERVAL 10
701 #ifndef CL_DEFAULT_BOOTP_POLICY
702 # define CL_DEFAULT_BOOTP_POLICY P_ACCEPT
705 #ifndef CL_DEFAULT_REQUESTED_OPTIONS
706 # define CL_DEFAULT_REQUESTED_OPTIONS \
708 DHO_BROADCAST_ADDRESS, \
712 DHO_DOMAIN_NAME_SERVERS, \
716 struct group_object
{
717 OMAPI_OBJECT_PREAMBLE
;
719 struct group_object
*n_dynamic
;
723 #define GROUP_OBJECT_DELETED 1
724 #define GROUP_OBJECT_DYNAMIC 2
725 #define GROUP_OBJECT_STATIC 4
728 /* Group of declarations that share common parameters. */
733 struct group_object
*object
;
734 struct subnet
*subnet
;
735 struct shared_network
*shared_network
;
737 struct executable_statement
*statements
;
740 /* A dhcp host declaration structure. */
742 OMAPI_OBJECT_PREAMBLE
;
743 struct host_decl
*n_ipaddr
;
744 struct host_decl
*n_dynamic
;
746 struct hardware interface
;
747 struct data_string client_identifier
;
748 struct option
*host_id_option
;
749 struct data_string host_id
;
750 /* XXXSK: fixed_addr should be an array of iaddr values,
751 not an option_cache, but it's referenced in a lot of
752 places, so we'll leave it for now. */
753 struct option_cache
*fixed_addr
;
754 struct iaddrcidrnetlist
*fixed_prefix
;
756 struct group_object
*named_group
;
757 struct data_string auth_key_id
;
759 #define HOST_DECL_DELETED 1
760 #define HOST_DECL_DYNAMIC 2
761 #define HOST_DECL_STATIC 4
767 permit_unknown_clients
,
768 permit_known_clients
,
769 permit_authenticated_clients
,
770 permit_unauthenticated_clients
,
772 permit_dynamic_bootp_clients
,
777 TIME after
; /* date after which this clause applies */
781 OMAPI_OBJECT_PREAMBLE
;
784 struct shared_network
*shared_network
;
785 struct permit
*permit_list
;
786 struct permit
*prohibit_list
;
787 struct lease
*active
;
788 struct lease
*expired
;
790 struct lease
*backup
;
791 struct lease
*abandoned
;
792 struct lease
*reserved
;
793 TIME next_event_time
;
798 TIME valid_from
; /* deny pool use before this date */
799 TIME valid_until
; /* deny pool use after this date */
801 #if defined (FAILOVER_PROTOCOL)
802 dhcp_failover_state_t
*failover_peer
;
806 struct shared_network
{
807 OMAPI_OBJECT_PREAMBLE
;
808 struct shared_network
*next
;
811 #define SHARED_IMPLICIT 1 /* This network was synthesized. */
814 struct subnet
*subnets
;
815 struct interface_info
*interface
;
817 struct ipv6_pool
**ipv6_pools
; /* NULL-terminated array */
818 int last_ipv6_pool
; /* offset of last IPv6 pool
819 used to issue a lease */
821 #if defined (FAILOVER_PROTOCOL)
822 dhcp_failover_state_t
*failover_peer
;
827 OMAPI_OBJECT_PREAMBLE
;
828 struct subnet
*next_subnet
;
829 struct subnet
*next_sibling
;
830 struct shared_network
*shared_network
;
831 struct interface_info
*interface
;
832 struct iaddr interface_address
;
834 struct iaddr netmask
;
835 int prefix_len
; /* XXX: currently for IPv6 only */
840 struct collection
*next
;
843 struct class *classes
;
846 /* Used as an argument to parse_clasS_decl() */
847 #define CLASS_TYPE_VENDOR 0
848 #define CLASS_TYPE_USER 1
849 #define CLASS_TYPE_CLASS 2
850 #define CLASS_TYPE_SUBCLASS 3
852 /* XXX classes must be reference-counted. */
854 OMAPI_OBJECT_PREAMBLE
;
855 struct class *nic
; /* Next in collection. */
856 struct class *superclass
; /* Set for spawned classes only. */
857 char *name
; /* Not set for spawned classes. */
859 /* A class may be configured to permit a limited number of leases. */
862 struct lease
**billed_leases
;
864 /* If nonzero, class has not been saved since it was last
868 /* Hash table containing subclasses. */
870 struct data_string hash_string
;
872 /* Expression used to match class. */
873 struct expression
*expr
;
875 /* Expression used to compute subclass identifiers for spawning
876 and to do subclass matching. */
877 struct expression
*submatch
;
882 /* Statements to execute if class matches. */
883 struct executable_statement
*statements
;
885 #define CLASS_DECL_DELETED 1
886 #define CLASS_DECL_DYNAMIC 2
887 #define CLASS_DECL_STATIC 4
888 #define CLASS_DECL_SUBCLASS 8
893 /* DHCP client lease structure... */
894 struct client_lease
{
895 struct client_lease
*next
; /* Next lease in list. */
896 TIME expiry
, renewal
, rebind
; /* Lease timeouts. */
897 struct iaddr address
; /* Address being leased. */
898 char *server_name
; /* Name of boot server. */
899 char *filename
; /* Name of file we're supposed to boot. */
900 struct string_list
*medium
; /* Network medium. */
901 struct auth_key
*key
; /* Key used in basic DHCP authentication. */
903 unsigned int is_static
: 1; /* If set, lease is from config file. */
904 unsigned int is_bootp
: 1; /* If set, lease was acquired with BOOTP. */
906 struct option_state
*options
; /* Options supplied with lease. */
909 /* DHCPv6 lease structures */
911 struct dhc6_addr
*next
;
912 struct iaddr address
;
915 /* Address state flags. */
916 #define DHC6_ADDR_DEPREFFED 0x01
917 #define DHC6_ADDR_EXPIRED 0x02
921 u_int32_t preferred_life
;
924 struct option_state
*options
;
928 struct dhc6_ia
*next
;
929 unsigned char iaid
[4];
935 struct dhc6_addr
*addrs
;
937 struct option_state
*options
;
941 struct dhc6_lease
*next
;
942 struct data_string server_id
;
944 isc_boolean_t released
;
948 unsigned char dhcpv6_transaction_id
[3];
949 struct dhc6_ia
*bindings
;
951 struct option_state
*options
;
954 /* Possible states in which the client can be. */
966 /* Authentication and BOOTP policy possibilities (not all values work
968 enum policy
{ P_IGNORE
, P_ACCEPT
, P_PREFER
, P_REQUIRE
, P_DONT
};
970 /* Configuration information from the config file... */
971 struct client_config
{
973 * When a message has been received, run these statements
976 struct group
*on_receipt
;
979 * When a message is sent, run these statements.
981 struct group
*on_transmission
;
983 struct option
**required_options
; /* Options that MUST be present. */
984 struct option
**requested_options
; /* Options to request (ORO/PRL). */
986 TIME timeout
; /* Start to panic if we don't get a
987 lease in this time period when
989 TIME initial_interval
; /* All exponential backoff intervals
991 TIME retry_interval
; /* If the protocol failed to produce
992 an address before the timeout,
993 try the protocol again after this
995 TIME select_interval
; /* Wait this many seconds from the
996 first DHCPDISCOVER before
997 picking an offered lease. */
998 TIME reboot_timeout
; /* When in INIT-REBOOT, wait this
999 long before giving up and going
1001 TIME backoff_cutoff
; /* When doing exponential backoff,
1002 never back off to an interval
1003 longer than this amount. */
1004 u_int32_t requested_lease
; /* Requested lease time, if user
1005 doesn't configure one. */
1006 struct string_list
*media
; /* Possible network media values. */
1007 char *script_name
; /* Name of config script. */
1008 char *vendor_space_name
; /* Name of config script. */
1009 enum policy bootp_policy
;
1010 /* Ignore, accept or prefer BOOTP
1012 enum policy auth_policy
;
1013 /* Require authentication, prefer
1014 authentication, or don't try to
1016 struct string_list
*medium
; /* Current network medium. */
1018 struct iaddrmatchlist
*reject_list
; /* Servers to reject. */
1020 int omapi_port
; /* port on which to accept OMAPI
1021 connections, or -1 for no
1023 int do_forward_update
; /* If nonzero, and if we have the
1024 information we need, update the
1025 A record for the address we get. */
1028 /* Per-interface state used in the dhcp client... */
1029 /* XXX: consider union {}'ing this for v4/v6. */
1030 struct client_state
{
1031 struct client_state
*next
;
1032 struct interface_info
*interface
;
1035 /* Common values. */
1036 struct client_config
*config
; /* Client configuration. */
1037 struct string_list
*env
; /* Client script environment. */
1038 int envc
; /* Number of entries in environment. */
1039 struct option_state
*sent_options
; /* Options we sent. */
1040 enum dhcp_state state
; /* Current state for this interface. */
1043 /* DHCPv4 values. */
1044 struct client_lease
*active
; /* Currently active lease. */
1045 struct client_lease
*new; /* New lease. */
1046 struct client_lease
*offered_leases
; /* Leases offered to us. */
1047 struct client_lease
*leases
; /* Leases we currently hold. */
1048 struct client_lease
*alias
; /* Alias lease. */
1050 struct iaddr destination
; /* Where to send packet. */
1051 u_int32_t xid
; /* Transaction ID. */
1052 u_int16_t secs
; /* secs value from DHCPDISCOVER. */
1053 TIME first_sending
; /* When was first copy sent? */
1054 TIME interval
; /* What's the current resend interval? */
1055 struct string_list
*medium
; /* Last media type tried. */
1056 struct dhcp_packet packet
; /* Outgoing DHCP packet. */
1057 unsigned packet_length
; /* Actual length of generated packet. */
1059 struct iaddr requested_address
; /* Address we would like to get. */
1061 /* DHCPv6 values. */
1062 unsigned char dhcpv6_transaction_id
[3];
1063 u_int8_t refresh_type
;
1065 struct dhc6_lease
*active_lease
;
1066 struct dhc6_lease
*old_lease
;
1067 struct dhc6_lease
*advertised_leases
;
1068 struct dhc6_lease
*selected_lease
;
1069 struct dhc6_lease
*held_leases
;
1071 struct timeval start_time
;
1075 /* See RFC3315 section 14. */
1076 TIME RT
; /* In hundredths of seconds. */
1077 TIME IRT
; /* In hundredths of seconds. */
1078 TIME MRC
; /* Count. */
1079 TIME MRT
; /* In hundredths of seconds. */
1080 TIME MRD
; /* In seconds, relative. */
1081 TIME next_MRD
; /* In seconds, absolute. */
1083 /* Rather than a state, we use a function that shifts around
1084 * depending what stage of life the v6 state machine is in.
1085 * This is where incoming packets are dispatched to (sometimes
1088 void (*v6_handler
)(struct packet
*, struct client_state
*);
1091 struct envadd_state
{
1092 struct client_state
*client
;
1096 struct dns_update_state
{
1097 struct client_state
*client
;
1098 struct iaddr address
;
1099 int dns_update_timeout
;
1102 /* Information about each network interface. */
1104 struct interface_info
{
1105 OMAPI_OBJECT_PREAMBLE
;
1106 struct interface_info
*next
; /* Next interface in list... */
1107 struct shared_network
*shared_network
;
1108 /* Networks connected to this interface. */
1109 struct hardware hw_address
; /* Its physical address. */
1110 struct in_addr
*addresses
; /* Addresses associated with this
1113 int address_count
; /* Number of addresses stored. */
1114 int address_max
; /* Size of addresses buffer. */
1115 struct in6_addr
*v6addresses
; /* IPv6 addresses associated with
1117 int v6address_count
; /* Number of IPv6 addresses associated
1118 with this interface. */
1119 int v6address_max
; /* Maximum number of IPv6 addresses
1120 we can store in current buffer. */
1122 u_int8_t
*circuit_id
; /* Circuit ID associated with this
1124 unsigned circuit_id_len
; /* Length of Circuit ID, if there
1126 u_int8_t
*remote_id
; /* Remote ID associated with this
1127 interface (if any). */
1128 unsigned remote_id_len
; /* Length of Remote ID. */
1130 char name
[IFNAMSIZ
]; /* Its name... */
1131 int index
; /* Its if_nametoindex(). */
1132 int rfdesc
; /* Its read file descriptor. */
1133 int wfdesc
; /* Its write file descriptor, if
1135 unsigned char *rbuf
; /* Read buffer, if required. */
1136 unsigned int rbuf_max
; /* Size of read buffer. */
1137 size_t rbuf_offset
; /* Current offset into buffer. */
1138 size_t rbuf_len
; /* Length of data in buffer. */
1140 struct ifreq
*ifp
; /* Pointer to ifreq struct. */
1141 int configured
; /* If set to 1, interface has at least
1142 * one valid IP address.
1144 u_int32_t flags
; /* Control flags... */
1145 #define INTERFACE_REQUESTED 1
1146 #define INTERFACE_AUTOMATIC 2
1147 #define INTERFACE_RUNNING 4
1148 #define INTERFACE_DOWNSTREAM 8
1149 #define INTERFACE_UPSTREAM 16
1150 #define INTERFACE_STREAMS (INTERFACE_DOWNSTREAM | INTERFACE_UPSTREAM)
1152 /* Only used by DHCP client code. */
1153 struct client_state
*client
;
1154 # if defined (USE_DLPI_SEND) || defined (USE_DLPI_RECEIVE)
1155 int dlpi_sap_length
;
1156 struct hardware dlpi_broadcast_addr
;
1157 # endif /* DLPI_SEND || DLPI_RECEIVE */
1160 struct hardware_link
{
1161 struct hardware_link
*next
;
1162 char name
[IFNAMSIZ
];
1163 struct hardware address
;
1167 struct leasequeue
*prev
;
1168 struct leasequeue
*next
;
1169 struct lease
*lease
;
1172 typedef void (*tvref_t
)(void *, void *, const char *, int);
1173 typedef void (*tvunref_t
)(void *, const char *, int);
1175 struct timeout
*next
;
1176 struct timeval when
;
1177 void (*func
) PROTO ((void *));
1184 struct eventqueue
*next
;
1185 void (*handler
)(void *);
1189 struct protocol
*next
;
1191 void (*handler
) PROTO ((struct protocol
*));
1195 struct dns_query
; /* forward */
1198 struct dns_wakeup
*next
; /* Next wakeup in chain. */
1199 void (*func
) PROTO ((struct dns_query
*));
1202 struct dns_question
{
1203 u_int16_t type
; /* Type of query. */
1204 u_int16_t
class; /* Class of query. */
1205 unsigned char data
[1]; /* Query data. */
1209 u_int16_t type
; /* Type of answer. */
1210 u_int16_t
class; /* Class of answer. */
1211 int count
; /* Number of answers. */
1212 unsigned char *answers
[1]; /* Pointers to answers. */
1216 struct dns_query
*next
; /* Next query in hash bucket. */
1217 u_int32_t hash
; /* Hash bucket index. */
1218 TIME expiry
; /* Query expiry time (zero if not yet
1220 u_int16_t id
; /* Query ID (also hash table index) */
1221 caddr_t waiters
; /* Pointer to list of things waiting
1224 struct dns_question
*question
; /* Question, internal format. */
1225 struct dns_answer
*answer
; /* Answer, internal format. */
1227 unsigned char *query
; /* Query formatted for DNS server. */
1228 unsigned len
; /* Length of entire query. */
1229 int sent
; /* The query has been sent. */
1230 struct dns_wakeup
*wakeups
; /* Wakeups to call if this query is
1232 struct name_server
*next_server
; /* Next server to try. */
1233 int backoff
; /* Current backoff, in seconds. */
1240 struct option_cache
*primary
;
1241 struct option_cache
*secondary
;
1242 struct auth_key
*key
;
1246 OMAPI_OBJECT_PREAMBLE
;
1248 void (*icmp_handler
) PROTO ((struct iaddr
, u_int8_t
*, int));
1253 /* Bitmask of dhcp option codes. */
1254 typedef unsigned char option_mask
[16];
1256 /* DHCP Option mask manipulation macros... */
1257 #define OPTION_ZERO(mask) (memset (mask, 0, 16))
1258 #define OPTION_SET(mask, bit) (mask [bit >> 8] |= (1 << (bit & 7)))
1259 #define OPTION_CLR(mask, bit) (mask [bit >> 8] &= ~(1 << (bit & 7)))
1260 #define OPTION_ISSET(mask, bit) (mask [bit >> 8] & (1 << (bit & 7)))
1261 #define OPTION_ISCLR(mask, bit) (!OPTION_ISSET (mask, bit))
1263 /* An option occupies its length plus two header bytes (code and
1264 length) for every 255 bytes that must be stored. */
1265 #define OPTION_SPACE(x) ((x) + 2 * ((x) / 255 + 1))
1267 /* Default path to dhcpd config file. */
1269 #undef _PATH_DHCPD_CONF
1270 #define _PATH_DHCPD_CONF "dhcpd.conf"
1271 #undef _PATH_DHCPD_DB
1272 #define _PATH_DHCPD_DB "dhcpd.leases"
1273 #undef _PATH_DHCPD6_DB
1274 #define _PATH_DHCPD6_DB "dhcpd6.leases"
1275 #undef _PATH_DHCPD_PID
1276 #define _PATH_DHCPD_PID "dhcpd.pid"
1277 #undef _PATH_DHCPD6_PID
1278 #define _PATH_DHCPD6_PID "dhcpd6.pid"
1281 #ifndef _PATH_DHCPD_CONF
1282 #define _PATH_DHCPD_CONF "/etc/dhcpd.conf"
1285 #ifndef _PATH_DHCPD_DB
1286 #define _PATH_DHCPD_DB LOCALSTATEDIR"/db/dhcpd.leases"
1289 #ifndef _PATH_DHCPD6_DB
1290 #define _PATH_DHCPD6_DB LOCALSTATEDIR"/db/dhcpd6.leases"
1293 #ifndef _PATH_DHCPD_PID
1294 #define _PATH_DHCPD_PID LOCALSTATEDIR"/run/dhcpd.pid"
1297 #ifndef _PATH_DHCPD6_PID
1298 #define _PATH_DHCPD6_PID LOCALSTATEDIR"/run/dhcpd6.pid"
1303 #ifndef _PATH_DHCLIENT_CONF
1304 #define _PATH_DHCLIENT_CONF "/etc/dhclient.conf"
1307 #ifndef _PATH_DHCLIENT_SCRIPT
1308 #define _PATH_DHCLIENT_SCRIPT "/sbin/dhclient-script"
1311 #ifndef _PATH_DHCLIENT_PID
1312 #define _PATH_DHCLIENT_PID LOCALSTATEDIR"/run/dhclient.pid"
1315 #ifndef _PATH_DHCLIENT6_PID
1316 #define _PATH_DHCLIENT6_PID LOCALSTATEDIR"/run/dhclient6.pid"
1319 #ifndef _PATH_DHCLIENT_DB
1320 #define _PATH_DHCLIENT_DB LOCALSTATEDIR"/db/dhclient.leases"
1323 #ifndef _PATH_DHCLIENT6_DB
1324 #define _PATH_DHCLIENT6_DB LOCALSTATEDIR"/db/dhclient6.leases"
1327 #ifndef _PATH_RESOLV_CONF
1328 #define _PATH_RESOLV_CONF "/etc/resolv.conf"
1331 #ifndef _PATH_DHCRELAY_PID
1332 #define _PATH_DHCRELAY_PID LOCALSTATEDIR"/run/dhcrelay.pid"
1335 #ifndef _PATH_DHCRELAY6_PID
1336 #define _PATH_DHCRELAY6_PID LOCALSTATEDIR"/run/dhcrelay6.pid"
1339 #ifndef DHCPD_LOG_FACILITY
1340 #define DHCPD_LOG_FACILITY LOG_DAEMON
1343 #define MAX_TIME 0x7fffffff
1346 /* these are referenced */
1347 typedef struct hash_table ia_hash_t
;
1348 typedef struct hash_table iasubopt_hash_t
;
1350 /* IAADDR/IAPREFIX lease */
1353 int refcnt
; /* reference count */
1354 struct in6_addr addr
; /* IPv6 address/prefix */
1355 u_int8_t plen
; /* iaprefix prefix length */
1356 binding_state_t state
; /* state */
1357 struct binding_scope
*scope
; /* "set var = value;" */
1358 time_t hard_lifetime_end_time
; /* time address expires */
1359 time_t soft_lifetime_end_time
; /* time ephemeral expires */
1360 u_int32_t prefer
; /* cached preferred lifetime */
1361 u_int32_t valid
; /* cached valid lifetime */
1362 struct ia_xx
*ia
; /* IA for this lease */
1363 struct ipv6_pool
*ipv6_pool
; /* pool for this lease */
1365 * For now, just pick an arbitrary time to keep old hard leases
1366 * around (value in seconds).
1368 #define EXPIRED_IPV6_CLEANUP_TIME (60*60)
1370 int heap_index
; /* index into heap, or -1
1371 (internal use only) */
1375 int refcnt
; /* reference count */
1376 struct data_string iaid_duid
; /* from the client */
1377 u_int16_t ia_type
; /* IA_XX */
1378 int num_iasubopt
; /* number of IAADDR/PREFIX */
1379 int max_iasubopt
; /* space available for IAADDR/PREFIX */
1380 time_t cltt
; /* client last transaction time */
1381 struct iasubopt
**iasubopt
; /* pointers to the IAADDR/IAPREFIXs */
1384 extern ia_hash_t
*ia_na_active
;
1385 extern ia_hash_t
*ia_ta_active
;
1386 extern ia_hash_t
*ia_pd_active
;
1389 int refcnt
; /* reference count */
1390 u_int16_t pool_type
; /* IA_xx */
1391 struct in6_addr start_addr
; /* first IPv6 address */
1392 int bits
; /* number of bits, CIDR style */
1393 int units
; /* allocation unit in bits */
1394 iasubopt_hash_t
*leases
; /* non-free leases */
1395 int num_active
; /* count of active leases */
1396 isc_heap_t
*active_timeouts
; /* timeouts for active leases */
1397 int num_inactive
; /* count of inactive leases */
1398 isc_heap_t
*inactive_timeouts
; /* timeouts for expired or
1400 struct shared_network
*shared_network
; /* shared_network for
1402 struct subnet
*subnet
; /* subnet for this pool */
1405 extern struct ipv6_pool
**pools
;
1406 extern int num_pools
;
1408 /* External definitions... */
1410 HASH_FUNCTIONS_DECL (group
, const char *, struct group_object
, group_hash_t
)
1411 HASH_FUNCTIONS_DECL (universe
, const char *, struct universe
, universe_hash_t
)
1412 HASH_FUNCTIONS_DECL (option_name
, const char *, struct option
,
1414 HASH_FUNCTIONS_DECL (option_code
, const unsigned *, struct option
,
1416 HASH_FUNCTIONS_DECL (dns_zone
, const char *, struct dns_zone
, dns_zone_hash_t
)
1417 HASH_FUNCTIONS_DECL(lease_ip
, const unsigned char *, struct lease
,
1419 HASH_FUNCTIONS_DECL(lease_id
, const unsigned char *, struct lease
,
1421 HASH_FUNCTIONS_DECL (host
, const unsigned char *, struct host_decl
, host_hash_t
)
1422 HASH_FUNCTIONS_DECL (class, const char *, struct class, class_hash_t
)
1426 extern struct option
*vendor_cfg_option
;
1427 int parse_options
PROTO ((struct packet
*));
1428 int parse_option_buffer
PROTO ((struct option_state
*, const unsigned char *,
1429 unsigned, struct universe
*));
1430 struct universe
*find_option_universe (struct option
*, const char *);
1431 int parse_encapsulated_suboptions (struct option_state
*, struct option
*,
1432 const unsigned char *, unsigned,
1433 struct universe
*, const char *);
1434 int cons_options
PROTO ((struct packet
*, struct dhcp_packet
*, struct lease
*,
1435 struct client_state
*,
1436 int, struct option_state
*, struct option_state
*,
1437 struct binding_scope
**,
1438 int, int, int, struct data_string
*, const char *));
1439 int fqdn_universe_decode (struct option_state
*,
1440 const unsigned char *, unsigned, struct universe
*);
1441 struct option_cache
*
1442 lookup_fqdn6_option(struct universe
*universe
, struct option_state
*options
,
1445 save_fqdn6_option(struct universe
*universe
, struct option_state
*options
,
1446 struct option_cache
*oc
, isc_boolean_t appendp
);
1448 delete_fqdn6_option(struct universe
*universe
, struct option_state
*options
,
1451 fqdn6_option_space_foreach(struct packet
*packet
, struct lease
*lease
,
1452 struct client_state
*client_state
,
1453 struct option_state
*in_options
,
1454 struct option_state
*cfg_options
,
1455 struct binding_scope
**scope
,
1456 struct universe
*u
, void *stuff
,
1457 void (*func
)(struct option_cache
*,
1460 struct client_state
*,
1461 struct option_state
*,
1462 struct option_state
*,
1463 struct binding_scope
**,
1464 struct universe
*, void *));
1466 fqdn6_option_space_encapsulate(struct data_string
*result
,
1467 struct packet
*packet
, struct lease
*lease
,
1468 struct client_state
*client_state
,
1469 struct option_state
*in_options
,
1470 struct option_state
*cfg_options
,
1471 struct binding_scope
**scope
,
1472 struct universe
*universe
);
1474 fqdn6_universe_decode(struct option_state
*options
,
1475 const unsigned char *buffer
, unsigned length
,
1476 struct universe
*u
);
1477 int append_option(struct data_string
*dst
, struct universe
*universe
,
1478 struct option
*option
, struct data_string
*src
);
1480 store_options(int *ocount
,
1481 unsigned char *buffer
, unsigned buflen
, unsigned index
,
1482 struct packet
*packet
, struct lease
*lease
,
1483 struct client_state
*client_state
,
1484 struct option_state
*in_options
,
1485 struct option_state
*cfg_options
,
1486 struct binding_scope
**scope
,
1487 unsigned *priority_list
, int priority_len
,
1488 unsigned first_cutoff
, int second_cutoff
, int terminate
,
1489 const char *vuname
);
1490 int store_options6(char *, int, struct option_state
*, struct packet
*,
1491 const int *, struct data_string
*);
1492 int format_has_text(const char *);
1493 int format_min_length(const char *, struct option_cache
*);
1494 const char *pretty_print_option
PROTO ((struct option
*, const unsigned char *,
1495 unsigned, int, int));
1496 int pretty_escape(char **, char *, const unsigned char **,
1497 const unsigned char *);
1498 int get_option (struct data_string
*, struct universe
*,
1499 struct packet
*, struct lease
*, struct client_state
*,
1500 struct option_state
*, struct option_state
*,
1501 struct option_state
*, struct binding_scope
**, unsigned,
1503 void set_option (struct universe
*, struct option_state
*,
1504 struct option_cache
*, enum statement_op
);
1505 struct option_cache
*lookup_option
PROTO ((struct universe
*,
1506 struct option_state
*, unsigned));
1507 struct option_cache
*lookup_hashed_option
PROTO ((struct universe
*,
1508 struct option_state
*,
1510 struct option_cache
*next_hashed_option(struct universe
*,
1511 struct option_state
*,
1512 struct option_cache
*);
1513 int save_option_buffer (struct universe
*, struct option_state
*,
1514 struct buffer
*, unsigned char *, unsigned,
1516 int append_option_buffer(struct universe
*, struct option_state
*,
1517 struct buffer
*, unsigned char *, unsigned,
1519 void build_server_oro(struct data_string
*, struct option_state
*,
1521 void save_option(struct universe
*, struct option_state
*,
1522 struct option_cache
*);
1523 void also_save_option(struct universe
*, struct option_state
*,
1524 struct option_cache
*);
1525 void save_hashed_option(struct universe
*, struct option_state
*,
1526 struct option_cache
*, isc_boolean_t appendp
);
1527 void delete_option
PROTO ((struct universe
*, struct option_state
*, int));
1528 void delete_hashed_option
PROTO ((struct universe
*,
1529 struct option_state
*, int));
1530 int option_cache_dereference
PROTO ((struct option_cache
**,
1531 const char *, int));
1532 int hashed_option_state_dereference
PROTO ((struct universe
*,
1533 struct option_state
*,
1534 const char *, int));
1535 int store_option
PROTO ((struct data_string
*,
1536 struct universe
*, struct packet
*, struct lease
*,
1537 struct client_state
*,
1538 struct option_state
*, struct option_state
*,
1539 struct binding_scope
**, struct option_cache
*));
1540 int option_space_encapsulate
PROTO ((struct data_string
*,
1541 struct packet
*, struct lease
*,
1542 struct client_state
*,
1543 struct option_state
*,
1544 struct option_state
*,
1545 struct binding_scope
**,
1546 struct data_string
*));
1547 int hashed_option_space_encapsulate
PROTO ((struct data_string
*,
1548 struct packet
*, struct lease
*,
1549 struct client_state
*,
1550 struct option_state
*,
1551 struct option_state
*,
1552 struct binding_scope
**,
1553 struct universe
*));
1554 int nwip_option_space_encapsulate
PROTO ((struct data_string
*,
1555 struct packet
*, struct lease
*,
1556 struct client_state
*,
1557 struct option_state
*,
1558 struct option_state
*,
1559 struct binding_scope
**,
1560 struct universe
*));
1561 int fqdn_option_space_encapsulate (struct data_string
*,
1562 struct packet
*, struct lease
*,
1563 struct client_state
*,
1564 struct option_state
*,
1565 struct option_state
*,
1566 struct binding_scope
**,
1568 void suboption_foreach (struct packet
*, struct lease
*, struct client_state
*,
1569 struct option_state
*, struct option_state
*,
1570 struct binding_scope
**, struct universe
*, void *,
1571 void (*) (struct option_cache
*, struct packet
*,
1572 struct lease
*, struct client_state
*,
1573 struct option_state
*, struct option_state
*,
1574 struct binding_scope
**,
1575 struct universe
*, void *),
1576 struct option_cache
*, const char *);
1577 void option_space_foreach (struct packet
*, struct lease
*,
1578 struct client_state
*,
1579 struct option_state
*,
1580 struct option_state
*,
1581 struct binding_scope
**,
1582 struct universe
*, void *,
1583 void (*) (struct option_cache
*,
1585 struct lease
*, struct client_state
*,
1586 struct option_state
*,
1587 struct option_state
*,
1588 struct binding_scope
**,
1589 struct universe
*, void *));
1590 void hashed_option_space_foreach (struct packet
*, struct lease
*,
1591 struct client_state
*,
1592 struct option_state
*,
1593 struct option_state
*,
1594 struct binding_scope
**,
1595 struct universe
*, void *,
1596 void (*) (struct option_cache
*,
1599 struct client_state
*,
1600 struct option_state
*,
1601 struct option_state
*,
1602 struct binding_scope
**,
1603 struct universe
*, void *));
1604 int linked_option_get
PROTO ((struct data_string
*, struct universe
*,
1605 struct packet
*, struct lease
*,
1606 struct client_state
*,
1607 struct option_state
*, struct option_state
*,
1608 struct option_state
*, struct binding_scope
**,
1610 int linked_option_state_dereference
PROTO ((struct universe
*,
1611 struct option_state
*,
1612 const char *, int));
1613 void save_linked_option(struct universe
*, struct option_state
*,
1614 struct option_cache
*, isc_boolean_t appendp
);
1615 void linked_option_space_foreach (struct packet
*, struct lease
*,
1616 struct client_state
*,
1617 struct option_state
*,
1618 struct option_state
*,
1619 struct binding_scope
**,
1620 struct universe
*, void *,
1621 void (*) (struct option_cache
*,
1624 struct client_state
*,
1625 struct option_state
*,
1626 struct option_state
*,
1627 struct binding_scope
**,
1628 struct universe
*, void *));
1629 int linked_option_space_encapsulate (struct data_string
*, struct packet
*,
1630 struct lease
*, struct client_state
*,
1631 struct option_state
*,
1632 struct option_state
*,
1633 struct binding_scope
**,
1635 void delete_linked_option (struct universe
*, struct option_state
*, int);
1636 struct option_cache
*lookup_linked_option (struct universe
*,
1637 struct option_state
*, unsigned);
1638 void do_packet
PROTO ((struct interface_info
*,
1639 struct dhcp_packet
*, unsigned,
1640 unsigned int, struct iaddr
, struct hardware
*));
1641 void do_packet6(struct interface_info
*, const char *,
1642 int, int, const struct iaddr
*, isc_boolean_t
);
1643 int packet6_len_okay(const char *, int);
1645 int add_option(struct option_state
*options
,
1646 unsigned int option_num
,
1648 unsigned int data_len
);
1651 extern struct timeval cur_tv
;
1652 #define cur_time cur_tv.tv_sec
1654 extern int ddns_update_style
;
1656 extern const char *path_dhcpd_conf
;
1657 extern const char *path_dhcpd_db
;
1658 extern const char *path_dhcpd_pid
;
1660 extern int dhcp_max_agent_option_packet_length
;
1661 extern struct eventqueue
*rw_queue_empty
;
1663 int main(int, char **);
1664 void postconf_initialization(int);
1665 void postdb_startup(void);
1666 void cleanup
PROTO ((void));
1667 void lease_pinged
PROTO ((struct iaddr
, u_int8_t
*, int));
1668 void lease_ping_timeout
PROTO ((void *));
1669 int dhcpd_interface_setup_hook (struct interface_info
*ip
, struct iaddr
*ia
);
1670 extern enum dhcp_shutdown_state shutdown_state
;
1671 isc_result_t
dhcp_io_shutdown (omapi_object_t
*, void *);
1672 isc_result_t
dhcp_set_control_state (control_object_state_t oldstate
,
1673 control_object_state_t newstate
);
1676 isc_result_t new_parse
PROTO ((struct parse
**, int,
1677 char *, unsigned, const char *, int));
1678 isc_result_t end_parse
PROTO ((struct parse
**));
1679 isc_result_t
save_parse_state(struct parse
*cfile
);
1680 isc_result_t
restore_parse_state(struct parse
*cfile
);
1681 enum dhcp_token next_token
PROTO ((const char **, unsigned *, struct parse
*));
1682 enum dhcp_token peek_token
PROTO ((const char **, unsigned *, struct parse
*));
1683 enum dhcp_token
next_raw_token(const char **rval
, unsigned *rlen
,
1684 struct parse
*cfile
);
1685 enum dhcp_token
peek_raw_token(const char **rval
, unsigned *rlen
,
1686 struct parse
*cfile
);
1689 void parse_trace_setup (void);
1690 isc_result_t readconf
PROTO ((void));
1691 isc_result_t
read_conf_file (const char *, struct group
*, int, int);
1692 #if defined (TRACING)
1693 void trace_conf_input (trace_type_t
*, unsigned, char *);
1694 void trace_conf_stop (trace_type_t
*ttype
);
1696 isc_result_t
conf_file_subparse (struct parse
*, struct group
*, int);
1697 isc_result_t
lease_file_subparse (struct parse
*);
1698 int parse_statement
PROTO ((struct parse
*,
1699 struct group
*, int, struct host_decl
*, int));
1700 #if defined (FAILOVER_PROTOCOL)
1701 void parse_failover_peer
PROTO ((struct parse
*, struct group
*, int));
1702 void parse_failover_state_declaration (struct parse
*,
1703 dhcp_failover_state_t
*);
1704 void parse_failover_state
PROTO ((struct parse
*,
1705 enum failover_state
*, TIME
*));
1707 int permit_list_match (struct permit
*, struct permit
*);
1708 void parse_pool_statement
PROTO ((struct parse
*, struct group
*, int));
1709 int parse_boolean
PROTO ((struct parse
*));
1710 int parse_lbrace
PROTO ((struct parse
*));
1711 void parse_host_declaration
PROTO ((struct parse
*, struct group
*));
1712 int parse_class_declaration
PROTO ((struct class **, struct parse
*,
1713 struct group
*, int));
1714 void parse_shared_net_declaration
PROTO ((struct parse
*, struct group
*));
1715 void parse_subnet_declaration
PROTO ((struct parse
*,
1716 struct shared_network
*));
1717 void parse_subnet6_declaration
PROTO ((struct parse
*,
1718 struct shared_network
*));
1719 void parse_group_declaration
PROTO ((struct parse
*, struct group
*));
1720 int parse_fixed_addr_param
PROTO ((struct option_cache
**,
1721 struct parse
*, enum dhcp_token
));
1722 int parse_lease_declaration
PROTO ((struct lease
**, struct parse
*));
1723 int parse_ip6_addr(struct parse
*, struct iaddr
*);
1724 int parse_ip6_addr_expr(struct expression
**, struct parse
*);
1725 int parse_ip6_prefix(struct parse
*, struct iaddr
*, u_int8_t
*);
1726 void parse_address_range
PROTO ((struct parse
*, struct group
*, int,
1727 struct pool
*, struct lease
**));
1728 void parse_address_range6(struct parse
*cfile
, struct group
*group
);
1729 void parse_prefix6(struct parse
*cfile
, struct group
*group
);
1730 void parse_fixed_prefix6(struct parse
*cfile
, struct host_decl
*host_decl
);
1731 void parse_ia_na_declaration(struct parse
*);
1732 void parse_ia_ta_declaration(struct parse
*);
1733 void parse_ia_pd_declaration(struct parse
*);
1734 void parse_server_duid(struct parse
*cfile
);
1735 void parse_server_duid_conf(struct parse
*cfile
);
1738 int ddns_updates(struct packet
*, struct lease
*, struct lease
*,
1739 struct iasubopt
*, struct iasubopt
*, struct option_state
*);
1740 int ddns_removals(struct lease
*, struct iasubopt
*);
1743 void add_enumeration (struct enumeration
*);
1744 struct enumeration
*find_enumeration (const char *, int);
1745 struct enumeration_value
*find_enumeration_value (const char *, int,
1748 void skip_to_semi
PROTO ((struct parse
*));
1749 void skip_to_rbrace
PROTO ((struct parse
*, int));
1750 int parse_semi
PROTO ((struct parse
*));
1751 int parse_string
PROTO ((struct parse
*, char **, unsigned *));
1752 char *parse_host_name
PROTO ((struct parse
*));
1753 int parse_ip_addr_or_hostname
PROTO ((struct expression
**,
1754 struct parse
*, int));
1755 void parse_hardware_param
PROTO ((struct parse
*, struct hardware
*));
1756 void parse_lease_time
PROTO ((struct parse
*, TIME
*));
1757 unsigned char *parse_numeric_aggregate
PROTO ((struct parse
*,
1758 unsigned char *, unsigned *,
1759 int, int, unsigned));
1760 void convert_num
PROTO ((struct parse
*, unsigned char *, const char *,
1762 TIME parse_date
PROTO ((struct parse
*));
1763 TIME
parse_date_core(struct parse
*);
1764 isc_result_t parse_option_name
PROTO ((struct parse
*, int, int *,
1766 void parse_option_space_decl
PROTO ((struct parse
*));
1767 int parse_option_code_definition
PROTO ((struct parse
*, struct option
*));
1768 int parse_base64 (struct data_string
*, struct parse
*);
1769 int parse_cshl
PROTO ((struct data_string
*, struct parse
*));
1770 int parse_executable_statement
PROTO ((struct executable_statement
**,
1771 struct parse
*, int *,
1772 enum expression_context
));
1773 int parse_executable_statements
PROTO ((struct executable_statement
**,
1774 struct parse
*, int *,
1775 enum expression_context
));
1776 int parse_zone (struct dns_zone
*, struct parse
*);
1777 int parse_key (struct parse
*);
1778 int parse_on_statement
PROTO ((struct executable_statement
**,
1779 struct parse
*, int *));
1780 int parse_switch_statement
PROTO ((struct executable_statement
**,
1781 struct parse
*, int *));
1782 int parse_case_statement
PROTO ((struct executable_statement
**,
1783 struct parse
*, int *,
1784 enum expression_context
));
1785 int parse_if_statement
PROTO ((struct executable_statement
**,
1786 struct parse
*, int *));
1787 int parse_boolean_expression
PROTO ((struct expression
**,
1788 struct parse
*, int *));
1789 int parse_data_expression
PROTO ((struct expression
**,
1790 struct parse
*, int *));
1791 int parse_numeric_expression
PROTO ((struct expression
**,
1792 struct parse
*, int *));
1793 int parse_dns_expression
PROTO ((struct expression
**, struct parse
*, int *));
1794 int parse_non_binary
PROTO ((struct expression
**, struct parse
*, int *,
1795 enum expression_context
));
1796 int parse_expression
PROTO ((struct expression
**, struct parse
*, int *,
1797 enum expression_context
,
1798 struct expression
**, enum expr_op
));
1799 int parse_option_data(struct expression
**expr
, struct parse
*cfile
,
1800 int lookups
, struct option
*option
);
1801 int parse_option_statement
PROTO ((struct executable_statement
**,
1802 struct parse
*, int,
1803 struct option
*, enum statement_op
));
1804 int parse_option_token
PROTO ((struct expression
**, struct parse
*,
1805 const char **, struct expression
*, int, int));
1806 int parse_allow_deny
PROTO ((struct option_cache
**, struct parse
*, int));
1807 int parse_auth_key
PROTO ((struct data_string
*, struct parse
*));
1808 int parse_warn (struct parse
*, const char *, ...)
1809 __attribute__((__format__(__printf__
,2,3)));
1810 struct expression
*parse_domain_list(struct parse
*cfile
, int);
1814 #if defined (NSUPDATE)
1815 extern struct __res_state resolver_state
;
1816 extern int resolver_inited
;
1819 extern struct binding_scope
*global_scope
;
1820 pair cons
PROTO ((caddr_t
, pair
));
1821 int make_const_option_cache
PROTO ((struct option_cache
**, struct buffer
**,
1822 u_int8_t
*, unsigned, struct option
*,
1823 const char *, int));
1824 int make_host_lookup
PROTO ((struct expression
**, const char *));
1825 int enter_dns_host
PROTO ((struct dns_host_entry
**, const char *));
1826 int make_const_data (struct expression
**,
1827 const unsigned char *, unsigned, int, int,
1829 int make_const_int
PROTO ((struct expression
**, unsigned long));
1830 int make_concat
PROTO ((struct expression
**,
1831 struct expression
*, struct expression
*));
1832 int make_encapsulation
PROTO ((struct expression
**, struct data_string
*));
1833 int make_substring
PROTO ((struct expression
**, struct expression
*,
1834 struct expression
*, struct expression
*));
1835 int make_limit
PROTO ((struct expression
**, struct expression
*, int));
1836 int make_let
PROTO ((struct executable_statement
**, const char *));
1837 int option_cache
PROTO ((struct option_cache
**, struct data_string
*,
1838 struct expression
*, struct option
*,
1839 const char *, int));
1840 int evaluate_expression (struct binding_value
**, struct packet
*,
1841 struct lease
*, struct client_state
*,
1842 struct option_state
*, struct option_state
*,
1843 struct binding_scope
**, struct expression
*,
1845 int binding_value_dereference (struct binding_value
**, const char *, int);
1846 #if defined (NSUPDATE)
1847 int evaluate_dns_expression
PROTO ((ns_updrec
**, struct packet
*,
1849 struct client_state
*,
1850 struct option_state
*,
1851 struct option_state
*,
1852 struct binding_scope
**,
1853 struct expression
*));
1855 int evaluate_boolean_expression
PROTO ((int *,
1856 struct packet
*, struct lease
*,
1857 struct client_state
*,
1858 struct option_state
*,
1859 struct option_state
*,
1860 struct binding_scope
**,
1861 struct expression
*));
1862 int evaluate_data_expression
PROTO ((struct data_string
*,
1863 struct packet
*, struct lease
*,
1864 struct client_state
*,
1865 struct option_state
*,
1866 struct option_state
*,
1867 struct binding_scope
**,
1868 struct expression
*, const char *, int));
1869 int evaluate_numeric_expression (unsigned long *, struct packet
*,
1870 struct lease
*, struct client_state
*,
1871 struct option_state
*, struct option_state
*,
1872 struct binding_scope
**,
1873 struct expression
*);
1874 int evaluate_option_cache
PROTO ((struct data_string
*,
1875 struct packet
*, struct lease
*,
1876 struct client_state
*,
1877 struct option_state
*, struct option_state
*,
1878 struct binding_scope
**,
1879 struct option_cache
*,
1880 const char *, int));
1881 int evaluate_boolean_option_cache
PROTO ((int *,
1882 struct packet
*, struct lease
*,
1883 struct client_state
*,
1884 struct option_state
*,
1885 struct option_state
*,
1886 struct binding_scope
**,
1887 struct option_cache
*,
1888 const char *, int));
1889 int evaluate_boolean_expression_result
PROTO ((int *,
1890 struct packet
*, struct lease
*,
1891 struct client_state
*,
1892 struct option_state
*,
1893 struct option_state
*,
1894 struct binding_scope
**,
1895 struct expression
*));
1896 void expression_dereference
PROTO ((struct expression
**, const char *, int));
1897 int is_dns_expression
PROTO ((struct expression
*));
1898 int is_boolean_expression
PROTO ((struct expression
*));
1899 int is_data_expression
PROTO ((struct expression
*));
1900 int is_numeric_expression
PROTO ((struct expression
*));
1901 int is_compound_expression
PROTO ((struct expression
*));
1902 int op_precedence
PROTO ((enum expr_op
, enum expr_op
));
1903 enum expression_context
expression_context (struct expression
*);
1904 enum expression_context op_context
PROTO ((enum expr_op
));
1905 int write_expression
PROTO ((FILE *, struct expression
*, int, int, int));
1906 struct binding
*find_binding
PROTO ((struct binding_scope
*, const char *));
1907 int free_bindings
PROTO ((struct binding_scope
*, const char *, int));
1908 int binding_scope_dereference
PROTO ((struct binding_scope
**,
1909 const char *, int));
1910 int fundef_dereference (struct fundef
**, const char *, int);
1911 int data_subexpression_length (int *, struct expression
*);
1912 int expr_valid_for_context (struct expression
*, enum expression_context
);
1913 struct binding
*create_binding (struct binding_scope
**, const char *);
1914 int bind_ds_value (struct binding_scope
**,
1915 const char *, struct data_string
*);
1916 int find_bound_string (struct data_string
*,
1917 struct binding_scope
*, const char *);
1918 int unset (struct binding_scope
*, const char *);
1919 int data_string_sprintfa(struct data_string
*ds
, const char *fmt
, ...);
1922 extern int outstanding_pings
;
1923 extern int max_outstanding_acks
;
1924 extern int max_ack_delay_secs
;
1925 extern int max_ack_delay_usecs
;
1927 void dhcp
PROTO ((struct packet
*));
1928 void dhcpdiscover
PROTO ((struct packet
*, int));
1929 void dhcprequest
PROTO ((struct packet
*, int, struct lease
*));
1930 void dhcprelease
PROTO ((struct packet
*, int));
1931 void dhcpdecline
PROTO ((struct packet
*, int));
1932 void dhcpinform
PROTO ((struct packet
*, int));
1933 void nak_lease
PROTO ((struct packet
*, struct iaddr
*cip
));
1934 void ack_lease
PROTO ((struct packet
*, struct lease
*,
1935 unsigned int, TIME
, char *, int, struct host_decl
*));
1936 void delayed_ack_enqueue(struct lease
*);
1937 void commit_leases_readerdry(void *);
1938 void flush_ackqueue(void *);
1939 void dhcp_reply
PROTO ((struct lease
*));
1940 int find_lease
PROTO ((struct lease
**, struct packet
*,
1941 struct shared_network
*, int *, int *, struct lease
*,
1942 const char *, int));
1943 int mockup_lease
PROTO ((struct lease
**, struct packet
*,
1944 struct shared_network
*,
1945 struct host_decl
*));
1946 void static_lease_dereference
PROTO ((struct lease
*, const char *, int));
1948 int allocate_lease
PROTO ((struct lease
**, struct packet
*,
1949 struct pool
*, int *));
1950 int permitted
PROTO ((struct packet
*, struct permit
*));
1951 int locate_network
PROTO ((struct packet
*));
1952 int parse_agent_information_option
PROTO ((struct packet
*, int, u_int8_t
*));
1953 unsigned cons_agent_information_options
PROTO ((struct option_state
*,
1954 struct dhcp_packet
*,
1955 unsigned, unsigned));
1956 void get_server_source_address(struct in_addr
*from
,
1957 struct option_state
*options
,
1958 struct packet
*packet
);
1960 /* dhcpleasequery.c */
1961 void dhcpleasequery
PROTO ((struct packet
*, int));
1962 void dhcpv6_leasequery
PROTO ((struct data_string
*, struct packet
*));
1965 isc_boolean_t
server_duid_isset(void);
1966 void copy_server_duid(struct data_string
*ds
, const char *file
, int line
);
1967 void set_server_duid(struct data_string
*new_duid
);
1968 isc_result_t
set_server_duid_from_option(void);
1969 void set_server_duid_type(int type
);
1970 isc_result_t
generate_new_server_duid(void);
1971 isc_result_t
get_client_id(struct packet
*, struct data_string
*);
1972 void dhcpv6(struct packet
*);
1975 void bootp
PROTO ((struct packet
*));
1978 extern int (*group_write_hook
) (struct group_object
*);
1979 extern struct group
*root_group
;
1980 extern group_hash_t
*group_name_hash
;
1981 isc_result_t
delete_group (struct group_object
*, int);
1982 isc_result_t
supersede_group (struct group_object
*, int);
1983 int clone_group (struct group
**, struct group
*, const char *, int);
1984 int write_group
PROTO ((struct group_object
*));
1987 void relinquish_lease_hunks (void);
1988 struct lease
*new_leases
PROTO ((unsigned, const char *, int));
1989 #if defined (DEBUG_MEMORY_LEAKAGE) || \
1990 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
1991 void relinquish_free_lease_states (void);
1993 OMAPI_OBJECT_ALLOC_DECL (lease
, struct lease
, dhcp_type_lease
)
1994 OMAPI_OBJECT_ALLOC_DECL (class, struct class, dhcp_type_class
)
1995 OMAPI_OBJECT_ALLOC_DECL (subclass
, struct class, dhcp_type_subclass
)
1996 OMAPI_OBJECT_ALLOC_DECL (pool
, struct pool
, dhcp_type_pool
)
1997 OMAPI_OBJECT_ALLOC_DECL (host
, struct host_decl
, dhcp_type_host
)
2000 OMAPI_OBJECT_ALLOC_DECL (subnet
, struct subnet
, dhcp_type_subnet
)
2001 OMAPI_OBJECT_ALLOC_DECL (shared_network
, struct shared_network
,
2002 dhcp_type_shared_network
)
2003 OMAPI_OBJECT_ALLOC_DECL (group_object
, struct group_object
, dhcp_type_group
)
2004 OMAPI_OBJECT_ALLOC_DECL (dhcp_control
,
2005 dhcp_control_object_t
, dhcp_type_control
)
2007 #if defined (DEBUG_MEMORY_LEAKAGE) || \
2008 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
2009 void relinquish_free_pairs (void);
2010 void relinquish_free_expressions (void);
2011 void relinquish_free_binding_values (void);
2012 void relinquish_free_option_caches (void);
2013 void relinquish_free_packets (void);
2016 int option_chain_head_allocate (struct option_chain_head
**,
2018 int option_chain_head_reference (struct option_chain_head
**,
2019 struct option_chain_head
*,
2021 int option_chain_head_dereference (struct option_chain_head
**,
2023 int group_allocate (struct group
**, const char *, int);
2024 int group_reference (struct group
**, struct group
*, const char *, int);
2025 int group_dereference (struct group
**, const char *, int);
2026 struct dhcp_packet
*new_dhcp_packet
PROTO ((const char *, int));
2027 struct protocol
*new_protocol
PROTO ((const char *, int));
2028 struct lease_state
*new_lease_state
PROTO ((const char *, int));
2029 struct domain_search_list
*new_domain_search_list
PROTO ((const char *, int));
2030 struct name_server
*new_name_server
PROTO ((const char *, int));
2031 void free_name_server
PROTO ((struct name_server
*, const char *, int));
2032 struct option
*new_option
PROTO ((const char *, const char *, int));
2033 int option_reference(struct option
**dest
, struct option
*src
,
2034 const char * file
, int line
);
2035 int option_dereference(struct option
**dest
, const char *file
, int line
);
2036 struct universe
*new_universe
PROTO ((const char *, int));
2037 void free_universe
PROTO ((struct universe
*, const char *, int));
2038 void free_domain_search_list
PROTO ((struct domain_search_list
*,
2039 const char *, int));
2040 void free_lease_state
PROTO ((struct lease_state
*, const char *, int));
2041 void free_protocol
PROTO ((struct protocol
*, const char *, int));
2042 void free_dhcp_packet
PROTO ((struct dhcp_packet
*, const char *, int));
2043 struct client_lease
*new_client_lease
PROTO ((const char *, int));
2044 void free_client_lease
PROTO ((struct client_lease
*, const char *, int));
2045 struct permit
*new_permit
PROTO ((const char *, int));
2046 void free_permit
PROTO ((struct permit
*, const char *, int));
2047 pair new_pair
PROTO ((const char *, int));
2048 void free_pair
PROTO ((pair
, const char *, int));
2049 int expression_allocate
PROTO ((struct expression
**, const char *, int));
2050 int expression_reference
PROTO ((struct expression
**,
2051 struct expression
*, const char *, int));
2052 void free_expression
PROTO ((struct expression
*, const char *, int));
2053 int binding_value_allocate
PROTO ((struct binding_value
**,
2054 const char *, int));
2055 int binding_value_reference
PROTO ((struct binding_value
**,
2056 struct binding_value
*,
2057 const char *, int));
2058 void free_binding_value
PROTO ((struct binding_value
*, const char *, int));
2059 int fundef_allocate
PROTO ((struct fundef
**, const char *, int));
2060 int fundef_reference
PROTO ((struct fundef
**,
2061 struct fundef
*, const char *, int));
2062 int option_cache_allocate
PROTO ((struct option_cache
**, const char *, int));
2063 int option_cache_reference
PROTO ((struct option_cache
**,
2064 struct option_cache
*, const char *, int));
2065 int buffer_allocate
PROTO ((struct buffer
**, unsigned, const char *, int));
2066 int buffer_reference
PROTO ((struct buffer
**, struct buffer
*,
2067 const char *, int));
2068 int buffer_dereference
PROTO ((struct buffer
**, const char *, int));
2069 int dns_host_entry_allocate
PROTO ((struct dns_host_entry
**,
2070 const char *, const char *, int));
2071 int dns_host_entry_reference
PROTO ((struct dns_host_entry
**,
2072 struct dns_host_entry
*,
2073 const char *, int));
2074 int dns_host_entry_dereference
PROTO ((struct dns_host_entry
**,
2075 const char *, int));
2076 int option_state_allocate
PROTO ((struct option_state
**, const char *, int));
2077 int option_state_reference
PROTO ((struct option_state
**,
2078 struct option_state
*, const char *, int));
2079 int option_state_dereference
PROTO ((struct option_state
**,
2080 const char *, int));
2081 void data_string_copy(struct data_string
*, const struct data_string
*,
2083 void data_string_forget
PROTO ((struct data_string
*, const char *, int));
2084 void data_string_truncate
PROTO ((struct data_string
*, int));
2085 int executable_statement_allocate
PROTO ((struct executable_statement
**,
2086 const char *, int));
2087 int executable_statement_reference
PROTO ((struct executable_statement
**,
2088 struct executable_statement
*,
2089 const char *, int));
2090 int packet_allocate
PROTO ((struct packet
**, const char *, int));
2091 int packet_reference
PROTO ((struct packet
**,
2092 struct packet
*, const char *, int));
2093 int packet_dereference
PROTO ((struct packet
**, const char *, int));
2094 int binding_scope_allocate
PROTO ((struct binding_scope
**,
2095 const char *, int));
2096 int binding_scope_reference
PROTO ((struct binding_scope
**,
2097 struct binding_scope
*,
2098 const char *, int));
2099 int dns_zone_allocate
PROTO ((struct dns_zone
**, const char *, int));
2100 int dns_zone_reference
PROTO ((struct dns_zone
**,
2101 struct dns_zone
*, const char *, int));
2104 #define DEFAULT_TIME_FORMAT 0
2105 #define LOCAL_TIME_FORMAT 1
2106 extern int db_time_format
;
2107 char *quotify_string (const char *, const char *, int);
2108 char *quotify_buf (const unsigned char *, unsigned, const char *, int);
2109 char *print_base64 (const unsigned char *, unsigned, const char *, int);
2110 char *print_hw_addr
PROTO ((int, int, unsigned char *));
2111 void print_lease
PROTO ((struct lease
*));
2112 void dump_raw
PROTO ((const unsigned char *, unsigned));
2113 void dump_packet_option (struct option_cache
*, struct packet
*,
2114 struct lease
*, struct client_state
*,
2115 struct option_state
*, struct option_state
*,
2116 struct binding_scope
**, struct universe
*, void *);
2117 void dump_packet
PROTO ((struct packet
*));
2118 void hash_dump
PROTO ((struct hash_table
*));
2119 char *print_hex_1
PROTO ((unsigned, const u_int8_t
*, unsigned));
2120 char *print_hex_2
PROTO ((unsigned, const u_int8_t
*, unsigned));
2121 char *print_hex_3
PROTO ((unsigned, const u_int8_t
*, unsigned));
2122 char *print_dotted_quads
PROTO ((unsigned, const u_int8_t
*));
2123 char *print_dec_1
PROTO ((unsigned long));
2124 char *print_dec_2
PROTO ((unsigned long));
2125 void print_expression
PROTO ((const char *, struct expression
*));
2126 int token_print_indent_concat (FILE *, int, int,
2127 const char *, const char *, ...);
2128 int token_indent_data_string (FILE *, int, int, const char *, const char *,
2129 struct data_string
*);
2130 int token_print_indent (FILE *, int, int,
2131 const char *, const char *, const char *);
2132 void indent_spaces (FILE *, int);
2133 #if defined (NSUPDATE)
2134 void print_dns_status (int, ns_updque
*);
2136 const char *print_time(TIME
);
2138 void get_hw_addr(const char *name
, struct hardware
*hw
);
2141 #if defined (USE_SOCKET_SEND) || defined (USE_SOCKET_RECEIVE) \
2142 || defined (USE_SOCKET_FALLBACK)
2143 int if_register_socket(struct interface_info
*, int, int *);
2146 #if defined (USE_SOCKET_FALLBACK) && !defined (USE_SOCKET_SEND)
2147 void if_reinitialize_fallback
PROTO ((struct interface_info
*));
2148 void if_register_fallback
PROTO ((struct interface_info
*));
2149 ssize_t send_fallback
PROTO ((struct interface_info
*,
2150 struct packet
*, struct dhcp_packet
*, size_t,
2152 struct sockaddr_in
*, struct hardware
*));
2153 ssize_t
send_fallback6(struct interface_info
*, struct packet
*,
2154 struct dhcp_packet
*, size_t, struct in6_addr
,
2155 struct sockaddr_in6
*, struct hardware
*);
2158 #ifdef USE_SOCKET_SEND
2159 void if_reinitialize_send
PROTO ((struct interface_info
*));
2160 void if_register_send
PROTO ((struct interface_info
*));
2161 void if_deregister_send
PROTO ((struct interface_info
*));
2162 ssize_t send_packet
PROTO ((struct interface_info
*,
2163 struct packet
*, struct dhcp_packet
*, size_t,
2165 struct sockaddr_in
*, struct hardware
*));
2167 ssize_t
send_packet6(struct interface_info
*, const unsigned char *, size_t,
2168 struct sockaddr_in6
*);
2169 #ifdef USE_SOCKET_RECEIVE
2170 void if_reinitialize_receive
PROTO ((struct interface_info
*));
2171 void if_register_receive
PROTO ((struct interface_info
*));
2172 void if_deregister_receive
PROTO ((struct interface_info
*));
2173 ssize_t receive_packet
PROTO ((struct interface_info
*,
2174 unsigned char *, size_t,
2175 struct sockaddr_in
*, struct hardware
*));
2178 #if defined (USE_SOCKET_FALLBACK)
2179 isc_result_t fallback_discard
PROTO ((omapi_object_t
*));
2182 #if defined (USE_SOCKET_SEND)
2183 int can_unicast_without_arp
PROTO ((struct interface_info
*));
2184 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
2185 int supports_multiple_interfaces (struct interface_info
*);
2186 void maybe_setup_fallback
PROTO ((void));
2189 void if_register6(struct interface_info
*info
, int do_multicast
);
2190 ssize_t
receive_packet6(struct interface_info
*interface
,
2191 unsigned char *buf
, size_t len
,
2192 struct sockaddr_in6
*from
, struct in6_addr
*to_addr
,
2193 unsigned int *if_index
);
2194 void if_deregister6(struct interface_info
*info
);
2198 #if defined (USE_BPF_SEND) || defined (USE_BPF_RECEIVE)
2199 int if_register_bpf
PROTO ( (struct interface_info
*));
2202 void if_reinitialize_send
PROTO ((struct interface_info
*));
2203 void if_register_send
PROTO ((struct interface_info
*));
2204 void if_deregister_send
PROTO ((struct interface_info
*));
2205 ssize_t send_packet
PROTO ((struct interface_info
*,
2206 struct packet
*, struct dhcp_packet
*, size_t,
2208 struct sockaddr_in
*, struct hardware
*));
2210 #ifdef USE_BPF_RECEIVE
2211 void if_reinitialize_receive
PROTO ((struct interface_info
*));
2212 void if_register_receive
PROTO ((struct interface_info
*));
2213 void if_deregister_receive
PROTO ((struct interface_info
*));
2214 ssize_t receive_packet
PROTO ((struct interface_info
*,
2215 unsigned char *, size_t,
2216 struct sockaddr_in
*, struct hardware
*));
2218 #if defined (USE_BPF_SEND)
2219 int can_unicast_without_arp
PROTO ((struct interface_info
*));
2220 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
2221 int supports_multiple_interfaces (struct interface_info
*);
2222 void maybe_setup_fallback
PROTO ((void));
2226 #if defined (USE_LPF_SEND) || defined (USE_LPF_RECEIVE)
2227 int if_register_lpf
PROTO ( (struct interface_info
*));
2230 void if_reinitialize_send
PROTO ((struct interface_info
*));
2231 void if_register_send
PROTO ((struct interface_info
*));
2232 void if_deregister_send
PROTO ((struct interface_info
*));
2233 ssize_t send_packet
PROTO ((struct interface_info
*,
2234 struct packet
*, struct dhcp_packet
*, size_t,
2236 struct sockaddr_in
*, struct hardware
*));
2238 #ifdef USE_LPF_RECEIVE
2239 void if_reinitialize_receive
PROTO ((struct interface_info
*));
2240 void if_register_receive
PROTO ((struct interface_info
*));
2241 void if_deregister_receive
PROTO ((struct interface_info
*));
2242 ssize_t receive_packet
PROTO ((struct interface_info
*,
2243 unsigned char *, size_t,
2244 struct sockaddr_in
*, struct hardware
*));
2246 #if defined (USE_LPF_SEND)
2247 int can_unicast_without_arp
PROTO ((struct interface_info
*));
2248 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
2249 int supports_multiple_interfaces (struct interface_info
*);
2250 void maybe_setup_fallback
PROTO ((void));
2254 #if defined (USE_NIT_SEND) || defined (USE_NIT_RECEIVE)
2255 int if_register_nit
PROTO ( (struct interface_info
*));
2259 void if_reinitialize_send
PROTO ((struct interface_info
*));
2260 void if_register_send
PROTO ((struct interface_info
*));
2261 void if_deregister_send
PROTO ((struct interface_info
*));
2262 ssize_t send_packet
PROTO ((struct interface_info
*,
2263 struct packet
*, struct dhcp_packet
*, size_t,
2265 struct sockaddr_in
*, struct hardware
*));
2267 #ifdef USE_NIT_RECEIVE
2268 void if_reinitialize_receive
PROTO ((struct interface_info
*));
2269 void if_register_receive
PROTO ((struct interface_info
*));
2270 void if_deregister_receive
PROTO ((struct interface_info
*));
2271 ssize_t receive_packet
PROTO ((struct interface_info
*,
2272 unsigned char *, size_t,
2273 struct sockaddr_in
*, struct hardware
*));
2275 #if defined (USE_NIT_SEND)
2276 int can_unicast_without_arp
PROTO ((struct interface_info
*));
2277 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
2278 int supports_multiple_interfaces (struct interface_info
*);
2279 void maybe_setup_fallback
PROTO ((void));
2283 #if defined (USE_DLPI_SEND) || defined (USE_DLPI_RECEIVE)
2284 int if_register_dlpi
PROTO ( (struct interface_info
*));
2287 #ifdef USE_DLPI_SEND
2288 int can_unicast_without_arp
PROTO ((struct interface_info
*));
2289 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
2290 void if_reinitialize_send
PROTO ((struct interface_info
*));
2291 void if_register_send
PROTO ((struct interface_info
*));
2292 void if_deregister_send
PROTO ((struct interface_info
*));
2293 ssize_t send_packet
PROTO ((struct interface_info
*,
2294 struct packet
*, struct dhcp_packet
*, size_t,
2296 struct sockaddr_in
*, struct hardware
*));
2297 int supports_multiple_interfaces (struct interface_info
*);
2298 void maybe_setup_fallback
PROTO ((void));
2300 #ifdef USE_DLPI_RECEIVE
2301 void if_reinitialize_receive
PROTO ((struct interface_info
*));
2302 void if_register_receive
PROTO ((struct interface_info
*));
2303 void if_deregister_receive
PROTO ((struct interface_info
*));
2304 ssize_t receive_packet
PROTO ((struct interface_info
*,
2305 unsigned char *, size_t,
2306 struct sockaddr_in
*, struct hardware
*));
2312 void if_reinitialize_send
PROTO ((struct interface_info
*));
2313 void if_register_send
PROTO ((struct interface_info
*));
2314 void if_deregister_send
PROTO ((struct interface_info
*));
2315 ssize_t send_packet
PROTO ((struct interface_info
*,
2316 struct packet
*, struct dhcp_packet
*, size_t,
2318 struct sockaddr_in
*, struct hardware
*));
2319 int can_unicast_without_arp
PROTO ((struct interface_info
*));
2320 int can_receive_unicast_unconfigured
PROTO ((struct interface_info
*));
2321 int supports_multiple_interfaces (struct interface_info
*);
2322 void maybe_setup_fallback
PROTO ((void));
2326 extern struct interface_info
*interfaces
,
2327 *dummy_interfaces
, *fallback_interface
;
2328 extern struct protocol
*protocols
;
2329 extern int quiet_interface_discovery
;
2330 isc_result_t
interface_setup (void);
2331 void interface_trace_setup (void);
2333 extern struct in_addr limited_broadcast
;
2334 extern int local_family
;
2335 extern struct in_addr local_address
;
2336 extern struct in6_addr local_address6
;
2338 extern u_int16_t local_port
;
2339 extern u_int16_t remote_port
;
2340 extern int (*dhcp_interface_setup_hook
) (struct interface_info
*,
2342 extern int (*dhcp_interface_discovery_hook
) (struct interface_info
*);
2343 extern isc_result_t (*dhcp_interface_startup_hook
) (struct interface_info
*);
2345 extern void (*bootp_packet_handler
) PROTO ((struct interface_info
*,
2346 struct dhcp_packet
*, unsigned,
2348 struct iaddr
, struct hardware
*));
2349 extern void (*dhcpv6_packet_handler
)(struct interface_info
*,
2351 int, const struct iaddr
*, isc_boolean_t
);
2352 extern struct timeout
*timeouts
;
2353 extern omapi_object_type_t
*dhcp_type_interface
;
2354 #if defined (TRACING)
2355 extern trace_type_t
*interface_trace
;
2356 extern trace_type_t
*inpacket_trace
;
2357 extern trace_type_t
*outpacket_trace
;
2359 extern struct interface_info
**interface_vector
;
2360 extern int interface_count
;
2361 extern int interface_max
;
2362 isc_result_t
interface_initialize(omapi_object_t
*, const char *, int);
2363 void discover_interfaces(int);
2364 int setup_fallback (struct interface_info
**, const char *, int);
2365 int if_readsocket
PROTO ((omapi_object_t
*));
2366 void reinitialize_interfaces
PROTO ((void));
2369 void set_time(TIME
);
2370 struct timeval
*process_outstanding_timeouts (struct timeval
*);
2371 void dispatch
PROTO ((void));
2372 isc_result_t
got_one(omapi_object_t
*);
2373 isc_result_t
got_one_v6(omapi_object_t
*);
2374 isc_result_t
interface_set_value (omapi_object_t
*, omapi_object_t
*,
2375 omapi_data_string_t
*, omapi_typed_data_t
*);
2376 isc_result_t
interface_get_value (omapi_object_t
*, omapi_object_t
*,
2377 omapi_data_string_t
*, omapi_value_t
**);
2378 isc_result_t
interface_destroy (omapi_object_t
*, const char *, int);
2379 isc_result_t
interface_signal_handler (omapi_object_t
*,
2380 const char *, va_list);
2381 isc_result_t
interface_stuff_values (omapi_object_t
*,
2385 void add_timeout
PROTO ((struct timeval
*, void (*) PROTO ((void *)), void *,
2386 tvref_t
, tvunref_t
));
2387 void cancel_timeout
PROTO ((void (*) PROTO ((void *)), void *));
2388 void cancel_all_timeouts (void);
2389 void relinquish_timeouts (void);
2391 struct protocol
*add_protocol
PROTO ((const char *, int,
2392 void (*) PROTO ((struct protocol
*)),
2395 void remove_protocol
PROTO ((struct protocol
*));
2397 OMAPI_OBJECT_ALLOC_DECL (interface
,
2398 struct interface_info
, dhcp_type_interface
)
2401 extern char *default_option_format
;
2402 extern struct universe dhcp_universe
;
2403 extern struct universe dhcpv6_universe
;
2404 extern struct universe nwip_universe
;
2405 extern struct universe fqdn_universe
;
2406 extern struct universe vsio_universe
;
2407 extern int dhcp_option_default_priority_list
[];
2408 extern int dhcp_option_default_priority_list_count
;
2409 extern const char *hardware_types
[256];
2410 extern int universe_count
, universe_max
;
2411 extern struct universe
**universes
;
2412 extern universe_hash_t
*universe_hash
;
2413 void initialize_common_option_spaces
PROTO ((void));
2414 extern struct universe
*config_universe
;
2417 #if defined (FAILOVER_PROTOCOL)
2418 extern failover_option_t null_failover_option
;
2419 extern failover_option_t skip_failover_option
;
2420 extern struct failover_option_info ft_options
[];
2421 extern u_int32_t fto_allowed
[];
2422 extern int ft_sizes
[];
2423 extern const char *dhcp_flink_state_names
[];
2425 extern const char *binding_state_names
[];
2427 extern struct universe agent_universe
;
2428 extern struct universe server_universe
;
2430 extern struct enumeration ddns_styles
;
2431 extern struct enumeration syslog_enum
;
2432 void initialize_server_option_spaces
PROTO ((void));
2435 struct iaddr subnet_number
PROTO ((struct iaddr
, struct iaddr
));
2436 struct iaddr ip_addr
PROTO ((struct iaddr
, struct iaddr
, u_int32_t
));
2437 struct iaddr broadcast_addr
PROTO ((struct iaddr
, struct iaddr
));
2438 u_int32_t host_addr
PROTO ((struct iaddr
, struct iaddr
));
2439 int addr_eq
PROTO ((struct iaddr
, struct iaddr
));
2440 int addr_match(struct iaddr
*, struct iaddrmatch
*);
2441 int addr_cmp(const struct iaddr
*a1
, const struct iaddr
*a2
);
2442 int addr_or(struct iaddr
*result
,
2443 const struct iaddr
*a1
, const struct iaddr
*a2
);
2444 int addr_and(struct iaddr
*result
,
2445 const struct iaddr
*a1
, const struct iaddr
*a2
);
2446 isc_boolean_t
is_cidr_mask_valid(const struct iaddr
*addr
, int bits
);
2447 isc_result_t
range2cidr(struct iaddrcidrnetlist
**result
,
2448 const struct iaddr
*lo
, const struct iaddr
*hi
);
2449 isc_result_t
free_iaddrcidrnetlist(struct iaddrcidrnetlist
**result
);
2450 const char *piaddr
PROTO ((struct iaddr
));
2451 char *piaddrmask(struct iaddr
*, struct iaddr
*);
2452 char *piaddrcidr(const struct iaddr
*, unsigned int);
2457 extern int wanted_ia_na
;
2458 extern int wanted_ia_ta
;
2459 extern int wanted_ia_pd
;
2461 extern const char *path_dhclient_conf
;
2462 extern const char *path_dhclient_db
;
2463 extern const char *path_dhclient_pid
;
2464 extern char *path_dhclient_script
;
2465 extern int interfaces_requested
;
2466 extern struct data_string default_duid
;
2468 extern struct client_config top_level_config
;
2470 void dhcpoffer
PROTO ((struct packet
*));
2471 void dhcpack
PROTO ((struct packet
*));
2472 void dhcpnak
PROTO ((struct packet
*));
2474 void send_discover
PROTO ((void *));
2475 void send_request
PROTO ((void *));
2476 void send_release
PROTO ((void *));
2477 void send_decline
PROTO ((void *));
2479 void state_reboot
PROTO ((void *));
2480 void state_init
PROTO ((void *));
2481 void state_selecting
PROTO ((void *));
2482 void state_requesting
PROTO ((void *));
2483 void state_bound
PROTO ((void *));
2484 void state_stop
PROTO ((void *));
2485 void state_panic
PROTO ((void *));
2487 void bind_lease
PROTO ((struct client_state
*));
2489 void make_client_options
PROTO ((struct client_state
*,
2490 struct client_lease
*, u_int8_t
*,
2491 struct option_cache
*, struct iaddr
*,
2492 struct option
**, struct option_state
**));
2493 void make_discover
PROTO ((struct client_state
*, struct client_lease
*));
2494 void make_request
PROTO ((struct client_state
*, struct client_lease
*));
2495 void make_decline
PROTO ((struct client_state
*, struct client_lease
*));
2496 void make_release
PROTO ((struct client_state
*, struct client_lease
*));
2498 void destroy_client_lease
PROTO ((struct client_lease
*));
2499 void rewrite_client_leases
PROTO ((void));
2500 void write_lease_option (struct option_cache
*, struct packet
*,
2501 struct lease
*, struct client_state
*,
2502 struct option_state
*, struct option_state
*,
2503 struct binding_scope
**, struct universe
*, void *);
2504 int write_client_lease
PROTO ((struct client_state
*,
2505 struct client_lease
*, int, int));
2506 isc_result_t
write_client6_lease(struct client_state
*client
,
2507 struct dhc6_lease
*lease
,
2508 int rewrite
, int sync
);
2509 int dhcp_option_ev_name (char *, size_t, struct option
*);
2511 void script_init
PROTO ((struct client_state
*, const char *,
2512 struct string_list
*));
2513 void client_option_envadd (struct option_cache
*, struct packet
*,
2514 struct lease
*, struct client_state
*,
2515 struct option_state
*, struct option_state
*,
2516 struct binding_scope
**, struct universe
*, void *);
2517 void script_write_params
PROTO ((struct client_state
*,
2518 const char *, struct client_lease
*));
2519 int script_go
PROTO ((struct client_state
*));
2520 void client_envadd (struct client_state
*,
2521 const char *, const char *, const char *, ...)
2522 __attribute__((__format__(__printf__
,4,5)));
2524 struct client_lease
*packet_to_lease (struct packet
*, struct client_state
*);
2525 void go_daemon
PROTO ((void));
2526 void write_client_pid_file
PROTO ((void));
2527 void client_location_changed
PROTO ((void));
2528 void do_release
PROTO ((struct client_state
*));
2529 int dhclient_interface_shutdown_hook (struct interface_info
*);
2530 int dhclient_interface_discovery_hook (struct interface_info
*);
2531 isc_result_t
dhclient_interface_startup_hook (struct interface_info
*);
2532 void dhclient_schedule_updates(struct client_state
*client
,
2533 struct iaddr
*addr
, int offset
);
2534 void client_dns_update_timeout (void *cp
);
2535 isc_result_t
client_dns_update(struct client_state
*client
, int, int,
2538 void dhcpv4_client_assignments(void);
2539 void dhcpv6_client_assignments(void);
2542 void form_duid(struct data_string
*duid
, const char *file
, int line
);
2543 void dhc6_lease_destroy(struct dhc6_lease
**src
, const char *file
, int line
);
2544 void start_init6(struct client_state
*client
);
2545 void start_info_request6(struct client_state
*client
);
2546 void start_confirm6(struct client_state
*client
);
2547 void start_release6(struct client_state
*client
);
2548 void start_selecting6(struct client_state
*client
);
2549 void unconfigure6(struct client_state
*client
, const char *reason
);
2552 int write_lease
PROTO ((struct lease
*));
2553 int write_host
PROTO ((struct host_decl
*));
2554 int write_server_duid(void);
2555 #if defined (FAILOVER_PROTOCOL)
2556 int write_failover_state (dhcp_failover_state_t
*);
2558 int db_printable
PROTO ((const unsigned char *));
2559 int db_printable_len
PROTO ((const unsigned char *, unsigned));
2560 isc_result_t
write_named_billing_class(const void *, unsigned, void *);
2561 void write_billing_classes (void);
2562 int write_billing_class
PROTO ((struct class *));
2563 void commit_leases_timeout
PROTO ((void *));
2564 void commit_leases_readerdry(void *);
2565 int commit_leases
PROTO ((void));
2566 void db_startup
PROTO ((int));
2567 int new_lease_file
PROTO ((void));
2568 int group_writer (struct group_object
*);
2569 int write_ia(const struct ia_xx
*);
2572 u_int32_t checksum
PROTO ((unsigned char *, unsigned, u_int32_t
));
2573 u_int32_t wrapsum
PROTO ((u_int32_t
));
2574 void assemble_hw_header
PROTO ((struct interface_info
*, unsigned char *,
2575 unsigned *, struct hardware
*));
2576 void assemble_udp_ip_header
PROTO ((struct interface_info
*, unsigned char *,
2577 unsigned *, u_int32_t
, u_int32_t
,
2578 u_int32_t
, unsigned char *, unsigned));
2579 ssize_t decode_hw_header
PROTO ((struct interface_info
*, unsigned char *,
2580 unsigned, struct hardware
*));
2581 ssize_t decode_udp_ip_header
PROTO ((struct interface_info
*, unsigned char *,
2582 unsigned, struct sockaddr_in
*,
2583 unsigned, unsigned *));
2586 void assemble_ethernet_header
PROTO ((struct interface_info
*, unsigned char *,
2587 unsigned *, struct hardware
*));
2588 ssize_t decode_ethernet_header
PROTO ((struct interface_info
*,
2590 unsigned, struct hardware
*));
2593 void assemble_tr_header
PROTO ((struct interface_info
*, unsigned char *,
2594 unsigned *, struct hardware
*));
2595 ssize_t decode_tr_header
PROTO ((struct interface_info
*,
2597 unsigned, struct hardware
*));
2600 void convert_statement
PROTO ((struct parse
*));
2601 void convert_host_statement
PROTO ((struct parse
*, jrefproto
));
2602 void convert_host_name
PROTO ((struct parse
*, jrefproto
));
2603 void convert_class_statement
PROTO ((struct parse
*, jrefproto
, int));
2604 void convert_class_decl
PROTO ((struct parse
*, jrefproto
));
2605 void convert_lease_time
PROTO ((struct parse
*, jrefproto
, char *));
2606 void convert_shared_net_statement
PROTO ((struct parse
*, jrefproto
));
2607 void convert_subnet_statement
PROTO ((struct parse
*, jrefproto
));
2608 void convert_subnet_decl
PROTO ((struct parse
*, jrefproto
));
2609 void convert_host_decl
PROTO ((struct parse
*, jrefproto
));
2610 void convert_hardware_decl
PROTO ((struct parse
*, jrefproto
));
2611 void convert_hardware_addr
PROTO ((struct parse
*, jrefproto
));
2612 void convert_filename_decl
PROTO ((struct parse
*, jrefproto
));
2613 void convert_servername_decl
PROTO ((struct parse
*, jrefproto
));
2614 void convert_ip_addr_or_hostname
PROTO ((struct parse
*, jrefproto
, int));
2615 void convert_fixed_addr_decl
PROTO ((struct parse
*, jrefproto
));
2616 void convert_option_decl
PROTO ((struct parse
*, jrefproto
));
2617 void convert_lease_statement
PROTO ((struct parse
*, jrefproto
));
2618 void convert_address_range
PROTO ((struct parse
*, jrefproto
));
2619 void convert_date
PROTO ((struct parse
*, jrefproto
, char *));
2620 void convert_numeric_aggregate
PROTO ((struct parse
*, jrefproto
, int, int, int, int));
2621 void indent
PROTO ((int));
2624 void add_route_direct
PROTO ((struct interface_info
*, struct in_addr
));
2625 void add_route_net
PROTO ((struct interface_info
*, struct in_addr
,
2627 void add_route_default_gateway
PROTO ((struct interface_info
*,
2629 void remove_routes
PROTO ((struct in_addr
));
2630 void remove_if_route
PROTO ((struct interface_info
*, struct in_addr
));
2631 void remove_all_if_routes
PROTO ((struct interface_info
*));
2632 void set_netmask
PROTO ((struct interface_info
*, struct in_addr
));
2633 void set_broadcast_addr
PROTO ((struct interface_info
*, struct in_addr
));
2634 void set_ip_address
PROTO ((struct interface_info
*, struct in_addr
));
2637 isc_result_t read_client_conf
PROTO ((void));
2638 int read_client_conf_file (const char *,
2639 struct interface_info
*, struct client_config
*);
2640 void read_client_leases
PROTO ((void));
2641 void parse_client_statement
PROTO ((struct parse
*, struct interface_info
*,
2642 struct client_config
*));
2643 int parse_X
PROTO ((struct parse
*, u_int8_t
*, unsigned));
2644 int parse_option_list
PROTO ((struct parse
*, struct option
***));
2645 void parse_interface_declaration
PROTO ((struct parse
*,
2646 struct client_config
*, char *));
2647 int interface_or_dummy
PROTO ((struct interface_info
**, const char *));
2648 void make_client_state
PROTO ((struct client_state
**));
2649 void make_client_config
PROTO ((struct client_state
*,
2650 struct client_config
*));
2651 void parse_client_lease_statement
PROTO ((struct parse
*, int));
2652 void parse_client_lease_declaration
PROTO ((struct parse
*,
2653 struct client_lease
*,
2654 struct interface_info
**,
2655 struct client_state
**));
2656 int parse_option_decl
PROTO ((struct option_cache
**, struct parse
*));
2657 void parse_string_list
PROTO ((struct parse
*, struct string_list
**, int));
2658 int parse_ip_addr
PROTO ((struct parse
*, struct iaddr
*));
2659 int parse_ip_addr_with_subnet(struct parse
*, struct iaddrmatch
*);
2660 void parse_reject_statement
PROTO ((struct parse
*, struct client_config
*));
2663 OMAPI_OBJECT_ALLOC_DECL (icmp_state
, struct icmp_state
, dhcp_type_icmp
)
2664 extern struct icmp_state
*icmp_state
;
2665 void icmp_startup
PROTO ((int, void (*) PROTO ((struct iaddr
,
2666 u_int8_t
*, int))));
2667 int icmp_readsocket
PROTO ((omapi_object_t
*));
2668 int icmp_echorequest
PROTO ((struct iaddr
*));
2669 isc_result_t icmp_echoreply
PROTO ((omapi_object_t
*));
2672 #if defined (NSUPDATE)
2673 isc_result_t
find_tsig_key (ns_tsig_key
**, const char *, struct dns_zone
*);
2674 void tkey_free (ns_tsig_key
**);
2676 isc_result_t
enter_dns_zone (struct dns_zone
*);
2677 isc_result_t
dns_zone_lookup (struct dns_zone
**, const char *);
2678 int dns_zone_dereference
PROTO ((struct dns_zone
**, const char *, int));
2679 #if defined (NSUPDATE)
2680 isc_result_t
find_cached_zone (const char *, ns_class
, char *,
2681 size_t, struct in_addr
*, int, int *,
2682 struct dns_zone
**);
2683 void forget_zone (struct dns_zone
**);
2684 void repudiate_zone (struct dns_zone
**);
2685 void cache_found_zone (ns_class
, char *, struct in_addr
*, int);
2686 int get_dhcid (struct data_string
*, int, const u_int8_t
*, unsigned);
2687 isc_result_t
ddns_update_fwd(struct data_string
*, struct iaddr
,
2688 struct data_string
*, unsigned long, unsigned,
2690 isc_result_t
ddns_remove_fwd(struct data_string
*,
2691 struct iaddr
, struct data_string
*);
2692 #endif /* NSUPDATE */
2695 extern char path_resolv_conf
[];
2696 extern struct name_server
*name_servers
;
2697 extern struct domain_search_list
*domains
;
2699 void read_resolv_conf
PROTO ((TIME
));
2700 struct name_server
*first_name_server
PROTO ((void));
2703 #ifdef NEED_INET_ATON
2704 int inet_aton
PROTO ((const char *, struct in_addr
*));
2708 extern int have_billing_classes
;
2709 struct class unknown_class
;
2710 struct class known_class
;
2711 struct collection default_collection
;
2712 struct collection
*collections
;
2713 extern struct executable_statement
*default_classification_rules
;
2715 void classification_setup
PROTO ((void));
2716 void classify_client
PROTO ((struct packet
*));
2717 int check_collection
PROTO ((struct packet
*, struct lease
*,
2718 struct collection
*));
2719 void classify
PROTO ((struct packet
*, struct class *));
2720 isc_result_t unlink_class
PROTO((struct class **class));
2721 isc_result_t find_class
PROTO ((struct class **, const char *,
2722 const char *, int));
2723 int unbill_class
PROTO ((struct lease
*, struct class *));
2724 int bill_class
PROTO ((struct lease
*, struct class *));
2727 int execute_statements
PROTO ((struct binding_value
**result
,
2728 struct packet
*, struct lease
*,
2729 struct client_state
*,
2730 struct option_state
*, struct option_state
*,
2731 struct binding_scope
**,
2732 struct executable_statement
*));
2733 void execute_statements_in_scope
PROTO ((struct binding_value
**result
,
2734 struct packet
*, struct lease
*,
2735 struct client_state
*,
2736 struct option_state
*,
2737 struct option_state
*,
2738 struct binding_scope
**,
2739 struct group
*, struct group
*));
2740 int executable_statement_dereference
PROTO ((struct executable_statement
**,
2741 const char *, int));
2742 void write_statements (FILE *, struct executable_statement
*, int);
2743 int find_matching_case (struct executable_statement
**,
2744 struct packet
*, struct lease
*, struct client_state
*,
2745 struct option_state
*, struct option_state
*,
2746 struct binding_scope
**,
2747 struct expression
*, struct executable_statement
*);
2748 int executable_statement_foreach (struct executable_statement
*,
2749 int (*) (struct executable_statement
*,
2750 void *, int), void *, int);
2753 extern omapi_object_type_t
*dhcp_type_group
;
2754 extern omapi_object_type_t
*dhcp_type_shared_network
;
2755 extern omapi_object_type_t
*dhcp_type_subnet
;
2756 extern omapi_object_type_t
*dhcp_type_control
;
2757 extern dhcp_control_object_t
*dhcp_control_object
;
2759 void dhcp_common_objects_setup (void);
2761 isc_result_t
dhcp_group_set_value (omapi_object_t
*, omapi_object_t
*,
2762 omapi_data_string_t
*,
2763 omapi_typed_data_t
*);
2764 isc_result_t
dhcp_group_get_value (omapi_object_t
*, omapi_object_t
*,
2765 omapi_data_string_t
*,
2767 isc_result_t
dhcp_group_destroy (omapi_object_t
*, const char *, int);
2768 isc_result_t
dhcp_group_signal_handler (omapi_object_t
*,
2769 const char *, va_list);
2770 isc_result_t
dhcp_group_stuff_values (omapi_object_t
*,
2773 isc_result_t
dhcp_group_lookup (omapi_object_t
**,
2774 omapi_object_t
*, omapi_object_t
*);
2775 isc_result_t
dhcp_group_create (omapi_object_t
**,
2777 isc_result_t
dhcp_group_remove (omapi_object_t
*,
2780 isc_result_t
dhcp_control_set_value (omapi_object_t
*, omapi_object_t
*,
2781 omapi_data_string_t
*,
2782 omapi_typed_data_t
*);
2783 isc_result_t
dhcp_control_get_value (omapi_object_t
*, omapi_object_t
*,
2784 omapi_data_string_t
*,
2786 isc_result_t
dhcp_control_destroy (omapi_object_t
*, const char *, int);
2787 isc_result_t
dhcp_control_signal_handler (omapi_object_t
*,
2788 const char *, va_list);
2789 isc_result_t
dhcp_control_stuff_values (omapi_object_t
*,
2792 isc_result_t
dhcp_control_lookup (omapi_object_t
**,
2793 omapi_object_t
*, omapi_object_t
*);
2794 isc_result_t
dhcp_control_create (omapi_object_t
**,
2796 isc_result_t
dhcp_control_remove (omapi_object_t
*,
2799 isc_result_t
dhcp_subnet_set_value (omapi_object_t
*, omapi_object_t
*,
2800 omapi_data_string_t
*,
2801 omapi_typed_data_t
*);
2802 isc_result_t
dhcp_subnet_get_value (omapi_object_t
*, omapi_object_t
*,
2803 omapi_data_string_t
*,
2805 isc_result_t
dhcp_subnet_destroy (omapi_object_t
*, const char *, int);
2806 isc_result_t
dhcp_subnet_signal_handler (omapi_object_t
*,
2807 const char *, va_list);
2808 isc_result_t
dhcp_subnet_stuff_values (omapi_object_t
*,
2811 isc_result_t
dhcp_subnet_lookup (omapi_object_t
**,
2812 omapi_object_t
*, omapi_object_t
*);
2813 isc_result_t
dhcp_subnet_create (omapi_object_t
**,
2815 isc_result_t
dhcp_subnet_remove (omapi_object_t
*,
2818 isc_result_t
dhcp_shared_network_set_value (omapi_object_t
*,
2820 omapi_data_string_t
*,
2821 omapi_typed_data_t
*);
2822 isc_result_t
dhcp_shared_network_get_value (omapi_object_t
*,
2824 omapi_data_string_t
*,
2826 isc_result_t
dhcp_shared_network_destroy (omapi_object_t
*, const char *, int);
2827 isc_result_t
dhcp_shared_network_signal_handler (omapi_object_t
*,
2828 const char *, va_list);
2829 isc_result_t
dhcp_shared_network_stuff_values (omapi_object_t
*,
2832 isc_result_t
dhcp_shared_network_lookup (omapi_object_t
**,
2833 omapi_object_t
*, omapi_object_t
*);
2834 isc_result_t
dhcp_shared_network_create (omapi_object_t
**,
2836 isc_result_t
dhcp_shared_network_remove (omapi_object_t
*,
2840 extern int (*dhcp_interface_shutdown_hook
) (struct interface_info
*);
2842 extern omapi_object_type_t
*dhcp_type_lease
;
2843 extern omapi_object_type_t
*dhcp_type_pool
;
2844 extern omapi_object_type_t
*dhcp_type_class
;
2845 extern omapi_object_type_t
*dhcp_type_subclass
;
2847 #if defined (FAILOVER_PROTOCOL)
2848 extern omapi_object_type_t
*dhcp_type_failover_state
;
2849 extern omapi_object_type_t
*dhcp_type_failover_link
;
2850 extern omapi_object_type_t
*dhcp_type_failover_listener
;
2853 void dhcp_db_objects_setup (void);
2855 isc_result_t
dhcp_lease_set_value (omapi_object_t
*, omapi_object_t
*,
2856 omapi_data_string_t
*,
2857 omapi_typed_data_t
*);
2858 isc_result_t
dhcp_lease_get_value (omapi_object_t
*, omapi_object_t
*,
2859 omapi_data_string_t
*,
2861 isc_result_t
dhcp_lease_destroy (omapi_object_t
*, const char *, int);
2862 isc_result_t
dhcp_lease_signal_handler (omapi_object_t
*,
2863 const char *, va_list);
2864 isc_result_t
dhcp_lease_stuff_values (omapi_object_t
*,
2867 isc_result_t
dhcp_lease_lookup (omapi_object_t
**,
2868 omapi_object_t
*, omapi_object_t
*);
2869 isc_result_t
dhcp_lease_create (omapi_object_t
**,
2871 isc_result_t
dhcp_lease_remove (omapi_object_t
*,
2873 isc_result_t
dhcp_host_set_value (omapi_object_t
*, omapi_object_t
*,
2874 omapi_data_string_t
*,
2875 omapi_typed_data_t
*);
2876 isc_result_t
dhcp_host_get_value (omapi_object_t
*, omapi_object_t
*,
2877 omapi_data_string_t
*,
2879 isc_result_t
dhcp_host_destroy (omapi_object_t
*, const char *, int);
2880 isc_result_t
dhcp_host_signal_handler (omapi_object_t
*,
2881 const char *, va_list);
2882 isc_result_t
dhcp_host_stuff_values (omapi_object_t
*,
2885 isc_result_t
dhcp_host_lookup (omapi_object_t
**,
2886 omapi_object_t
*, omapi_object_t
*);
2887 isc_result_t
dhcp_host_create (omapi_object_t
**,
2889 isc_result_t
dhcp_host_remove (omapi_object_t
*,
2891 isc_result_t
dhcp_pool_set_value (omapi_object_t
*, omapi_object_t
*,
2892 omapi_data_string_t
*,
2893 omapi_typed_data_t
*);
2894 isc_result_t
dhcp_pool_get_value (omapi_object_t
*, omapi_object_t
*,
2895 omapi_data_string_t
*,
2897 isc_result_t
dhcp_pool_destroy (omapi_object_t
*, const char *, int);
2898 isc_result_t
dhcp_pool_signal_handler (omapi_object_t
*,
2899 const char *, va_list);
2900 isc_result_t
dhcp_pool_stuff_values (omapi_object_t
*,
2903 isc_result_t
dhcp_pool_lookup (omapi_object_t
**,
2904 omapi_object_t
*, omapi_object_t
*);
2905 isc_result_t
dhcp_pool_create (omapi_object_t
**,
2907 isc_result_t
dhcp_pool_remove (omapi_object_t
*,
2909 isc_result_t
dhcp_class_set_value (omapi_object_t
*, omapi_object_t
*,
2910 omapi_data_string_t
*,
2911 omapi_typed_data_t
*);
2912 isc_result_t
dhcp_class_get_value (omapi_object_t
*, omapi_object_t
*,
2913 omapi_data_string_t
*,
2915 isc_result_t
dhcp_class_destroy (omapi_object_t
*, const char *, int);
2916 isc_result_t
dhcp_class_signal_handler (omapi_object_t
*,
2917 const char *, va_list);
2918 isc_result_t
dhcp_class_stuff_values (omapi_object_t
*,
2921 isc_result_t
dhcp_class_lookup (omapi_object_t
**,
2922 omapi_object_t
*, omapi_object_t
*);
2923 isc_result_t
dhcp_class_create (omapi_object_t
**,
2925 isc_result_t
dhcp_class_remove (omapi_object_t
*,
2927 isc_result_t
dhcp_subclass_set_value (omapi_object_t
*, omapi_object_t
*,
2928 omapi_data_string_t
*,
2929 omapi_typed_data_t
*);
2930 isc_result_t
dhcp_subclass_get_value (omapi_object_t
*, omapi_object_t
*,
2931 omapi_data_string_t
*,
2933 isc_result_t
dhcp_subclass_destroy (omapi_object_t
*, const char *, int);
2934 isc_result_t
dhcp_subclass_signal_handler (omapi_object_t
*,
2935 const char *, va_list);
2936 isc_result_t
dhcp_subclass_stuff_values (omapi_object_t
*,
2939 isc_result_t
dhcp_subclass_lookup (omapi_object_t
**,
2940 omapi_object_t
*, omapi_object_t
*);
2941 isc_result_t
dhcp_subclass_create (omapi_object_t
**,
2943 isc_result_t
dhcp_subclass_remove (omapi_object_t
*,
2945 isc_result_t
dhcp_interface_set_value (omapi_object_t
*,
2947 omapi_data_string_t
*,
2948 omapi_typed_data_t
*);
2949 isc_result_t
dhcp_interface_get_value (omapi_object_t
*,
2951 omapi_data_string_t
*,
2953 isc_result_t
dhcp_interface_destroy (omapi_object_t
*,
2955 isc_result_t
dhcp_interface_signal_handler (omapi_object_t
*,
2958 isc_result_t
dhcp_interface_stuff_values (omapi_object_t
*,
2961 isc_result_t
dhcp_interface_lookup (omapi_object_t
**,
2964 isc_result_t
dhcp_interface_create (omapi_object_t
**,
2966 isc_result_t
dhcp_interface_remove (omapi_object_t
*,
2968 void interface_stash (struct interface_info
*);
2969 void interface_snorf (struct interface_info
*, int);
2971 isc_result_t
binding_scope_set_value (struct binding_scope
*, int,
2972 omapi_data_string_t
*,
2973 omapi_typed_data_t
*);
2974 isc_result_t
binding_scope_get_value (omapi_value_t
**,
2975 struct binding_scope
*,
2976 omapi_data_string_t
*);
2977 isc_result_t
binding_scope_stuff_values (omapi_object_t
*,
2978 struct binding_scope
*);
2980 void register_eventhandler(struct eventqueue
**, void (*handler
)(void *));
2981 void unregister_eventhandler(struct eventqueue
**, void (*handler
)(void *));
2982 void trigger_event(struct eventqueue
**);
2986 extern struct subnet
*subnets
;
2987 extern struct shared_network
*shared_networks
;
2988 extern host_hash_t
*host_hw_addr_hash
;
2989 extern host_hash_t
*host_uid_hash
;
2990 extern host_hash_t
*host_name_hash
;
2991 extern lease_id_hash_t
*lease_uid_hash
;
2992 extern lease_ip_hash_t
*lease_ip_addr_hash
;
2993 extern lease_id_hash_t
*lease_hw_addr_hash
;
2995 extern omapi_object_type_t
*dhcp_type_host
;
2997 extern int numclasseswritten
;
3000 isc_result_t enter_class
PROTO ((struct class *, int, int));
3001 isc_result_t delete_class
PROTO ((struct class *, int));
3002 isc_result_t enter_host
PROTO ((struct host_decl
*, int, int));
3003 isc_result_t delete_host
PROTO ((struct host_decl
*, int));
3004 void change_host_uid(struct host_decl
*host
, const char *data
, int len
);
3005 int find_hosts_by_haddr
PROTO ((struct host_decl
**, int,
3006 const unsigned char *, unsigned,
3007 const char *, int));
3008 int find_hosts_by_uid
PROTO ((struct host_decl
**, const unsigned char *,
3009 unsigned, const char *, int));
3010 int find_hosts_by_option(struct host_decl
**, struct packet
*,
3011 struct option_state
*, const char *, int);
3012 int find_host_for_network
PROTO ((struct subnet
**, struct host_decl
**,
3013 struct iaddr
*, struct shared_network
*));
3014 void new_address_range
PROTO ((struct parse
*, struct iaddr
, struct iaddr
,
3015 struct subnet
*, struct pool
*,
3017 isc_result_t
dhcp_lease_free (omapi_object_t
*, const char *, int);
3018 isc_result_t
dhcp_lease_get (omapi_object_t
**, const char *, int);
3019 int find_grouped_subnet
PROTO ((struct subnet
**, struct shared_network
*,
3020 struct iaddr
, const char *, int));
3021 int find_subnet(struct subnet
**, struct iaddr
, const char *, int);
3022 void enter_shared_network
PROTO ((struct shared_network
*));
3023 void new_shared_network_interface
PROTO ((struct parse
*,
3024 struct shared_network
*,
3026 int subnet_inner_than(const struct subnet
*, const struct subnet
*, int);
3027 void enter_subnet
PROTO ((struct subnet
*));
3028 void enter_lease
PROTO ((struct lease
*));
3029 int supersede_lease
PROTO ((struct lease
*, struct lease
*, int, int, int));
3030 void make_binding_state_transition (struct lease
*);
3031 int lease_copy
PROTO ((struct lease
**, struct lease
*, const char *, int));
3032 void release_lease
PROTO ((struct lease
*, struct packet
*));
3033 void abandon_lease
PROTO ((struct lease
*, const char *));
3034 void dissociate_lease
PROTO ((struct lease
*));
3035 void pool_timer
PROTO ((void *));
3036 int find_lease_by_uid
PROTO ((struct lease
**, const unsigned char *,
3037 unsigned, const char *, int));
3038 int find_lease_by_hw_addr
PROTO ((struct lease
**, const unsigned char *,
3039 unsigned, const char *, int));
3040 int find_lease_by_ip_addr
PROTO ((struct lease
**, struct iaddr
,
3041 const char *, int));
3042 void uid_hash_add
PROTO ((struct lease
*));
3043 void uid_hash_delete
PROTO ((struct lease
*));
3044 void hw_hash_add
PROTO ((struct lease
*));
3045 void hw_hash_delete
PROTO ((struct lease
*));
3046 int write_leases
PROTO ((void));
3047 int write_leases6(void);
3048 int lease_enqueue (struct lease
*);
3049 isc_result_t
lease_instantiate(const void *, unsigned, void *);
3050 void expire_all_pools
PROTO ((void));
3051 void dump_subnets
PROTO ((void));
3052 #if defined (DEBUG_MEMORY_LEAKAGE) || \
3053 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
3054 void free_everything (void);
3058 char *ddns_rev_name (struct lease
*, struct lease_state
*, struct packet
*);
3059 char *ddns_fwd_name (struct lease
*, struct lease_state
*, struct packet
*);
3060 int nsupdateA (const char *, const unsigned char *, u_int32_t
, int);
3061 int nsupdatePTR (const char *, const unsigned char *, u_int32_t
, int);
3062 void nsupdate (struct lease
*, struct lease_state
*, struct packet
*, int);
3063 int updateA (const struct data_string
*, const struct data_string
*,
3064 unsigned int, struct lease
*);
3065 int updatePTR (const struct data_string
*, const struct data_string
*,
3066 unsigned int, struct lease
*);
3067 int deleteA (const struct data_string
*, const struct data_string
*,
3069 int deletePTR (const struct data_string
*, const struct data_string
*,
3073 #if defined (FAILOVER_PROTOCOL)
3074 extern dhcp_failover_state_t
*failover_states
;
3075 void dhcp_failover_startup
PROTO ((void));
3076 int dhcp_failover_write_all_states (void);
3077 isc_result_t enter_failover_peer
PROTO ((dhcp_failover_state_t
*));
3078 isc_result_t find_failover_peer
PROTO ((dhcp_failover_state_t
**,
3079 const char *, const char *, int));
3080 isc_result_t dhcp_failover_link_initiate
PROTO ((omapi_object_t
*));
3081 isc_result_t dhcp_failover_link_signal
PROTO ((omapi_object_t
*,
3082 const char *, va_list));
3083 isc_result_t dhcp_failover_link_set_value
PROTO ((omapi_object_t
*,
3085 omapi_data_string_t
*,
3086 omapi_typed_data_t
*));
3087 isc_result_t dhcp_failover_link_get_value
PROTO ((omapi_object_t
*,
3089 omapi_data_string_t
*,
3091 isc_result_t dhcp_failover_link_destroy
PROTO ((omapi_object_t
*,
3092 const char *, int));
3093 isc_result_t dhcp_failover_link_stuff_values
PROTO ((omapi_object_t
*,
3096 isc_result_t dhcp_failover_listen
PROTO ((omapi_object_t
*));
3098 isc_result_t dhcp_failover_listener_signal
PROTO ((omapi_object_t
*,
3101 isc_result_t dhcp_failover_listener_set_value
PROTO ((omapi_object_t
*,
3103 omapi_data_string_t
*,
3104 omapi_typed_data_t
*));
3105 isc_result_t dhcp_failover_listener_get_value
PROTO ((omapi_object_t
*,
3107 omapi_data_string_t
*,
3109 isc_result_t dhcp_failover_listener_destroy
PROTO ((omapi_object_t
*,
3110 const char *, int));
3111 isc_result_t dhcp_failover_listener_stuff
PROTO ((omapi_object_t
*,
3114 isc_result_t dhcp_failover_register
PROTO ((omapi_object_t
*));
3115 isc_result_t dhcp_failover_state_signal
PROTO ((omapi_object_t
*,
3116 const char *, va_list));
3117 isc_result_t
dhcp_failover_state_transition (dhcp_failover_state_t
*,
3119 isc_result_t
dhcp_failover_set_service_state (dhcp_failover_state_t
*state
);
3120 isc_result_t
dhcp_failover_set_state (dhcp_failover_state_t
*,
3121 enum failover_state
);
3122 isc_result_t
dhcp_failover_peer_state_changed (dhcp_failover_state_t
*,
3123 failover_message_t
*);
3124 void dhcp_failover_pool_rebalance (void *);
3125 void dhcp_failover_pool_check (struct pool
*);
3126 int dhcp_failover_state_pool_check (dhcp_failover_state_t
*);
3127 void dhcp_failover_timeout (void *);
3128 void dhcp_failover_send_contact (void *);
3129 isc_result_t
dhcp_failover_send_state (dhcp_failover_state_t
*);
3130 isc_result_t
dhcp_failover_send_updates (dhcp_failover_state_t
*);
3131 int dhcp_failover_queue_update (struct lease
*, int);
3132 int dhcp_failover_send_acks (dhcp_failover_state_t
*);
3133 void dhcp_failover_toack_queue_timeout (void *);
3134 int dhcp_failover_queue_ack (dhcp_failover_state_t
*, failover_message_t
*msg
);
3135 void dhcp_failover_ack_queue_remove (dhcp_failover_state_t
*, struct lease
*);
3136 isc_result_t dhcp_failover_state_set_value
PROTO ((omapi_object_t
*,
3138 omapi_data_string_t
*,
3139 omapi_typed_data_t
*));
3140 void dhcp_failover_keepalive (void *);
3141 void dhcp_failover_reconnect (void *);
3142 void dhcp_failover_startup_timeout (void *);
3143 void dhcp_failover_link_startup_timeout (void *);
3144 void dhcp_failover_listener_restart (void *);
3145 isc_result_t dhcp_failover_state_get_value
PROTO ((omapi_object_t
*,
3147 omapi_data_string_t
*,
3149 isc_result_t dhcp_failover_state_destroy
PROTO ((omapi_object_t
*,
3150 const char *, int));
3151 isc_result_t dhcp_failover_state_stuff
PROTO ((omapi_object_t
*,
3154 isc_result_t dhcp_failover_state_lookup
PROTO ((omapi_object_t
**,
3157 isc_result_t dhcp_failover_state_create
PROTO ((omapi_object_t
**,
3159 isc_result_t dhcp_failover_state_remove
PROTO ((omapi_object_t
*,
3161 int dhcp_failover_state_match (dhcp_failover_state_t
*, u_int8_t
*, unsigned);
3162 int dhcp_failover_state_match_by_name(dhcp_failover_state_t
*,
3163 failover_option_t
*);
3164 const char *dhcp_failover_reject_reason_print (int);
3165 const char *dhcp_failover_state_name_print (enum failover_state
);
3166 const char *dhcp_failover_message_name (unsigned);
3167 const char *dhcp_failover_option_name (unsigned);
3168 failover_option_t
*dhcp_failover_option_printf (unsigned, char *,
3172 __attribute__((__format__(__printf__
,5,6)));
3173 failover_option_t
*dhcp_failover_make_option (unsigned, char *,
3174 unsigned *, unsigned, ...);
3175 isc_result_t
dhcp_failover_put_message (dhcp_failover_link_t
*,
3176 omapi_object_t
*, int, u_int32_t
, ...);
3177 isc_result_t dhcp_failover_send_connect
PROTO ((omapi_object_t
*));
3178 isc_result_t dhcp_failover_send_connectack
PROTO ((omapi_object_t
*,
3179 dhcp_failover_state_t
*,
3180 int, const char *));
3181 isc_result_t dhcp_failover_send_disconnect
PROTO ((omapi_object_t
*,
3182 int, const char *));
3183 isc_result_t
dhcp_failover_send_bind_update (dhcp_failover_state_t
*,
3185 isc_result_t
dhcp_failover_send_bind_ack (dhcp_failover_state_t
*,
3186 failover_message_t
*,
3188 isc_result_t
dhcp_failover_send_poolreq (dhcp_failover_state_t
*);
3189 isc_result_t
dhcp_failover_send_poolresp (dhcp_failover_state_t
*, int);
3190 isc_result_t
dhcp_failover_send_update_request (dhcp_failover_state_t
*);
3191 isc_result_t
dhcp_failover_send_update_request_all (dhcp_failover_state_t
*);
3192 isc_result_t
dhcp_failover_send_update_done (dhcp_failover_state_t
*);
3193 isc_result_t
dhcp_failover_process_bind_update (dhcp_failover_state_t
*,
3194 failover_message_t
*);
3195 isc_result_t
dhcp_failover_process_bind_ack (dhcp_failover_state_t
*,
3196 failover_message_t
*);
3197 isc_result_t
dhcp_failover_generate_update_queue (dhcp_failover_state_t
*,
3199 isc_result_t
dhcp_failover_process_update_request (dhcp_failover_state_t
*,
3200 failover_message_t
*);
3201 isc_result_t
dhcp_failover_process_update_request_all (dhcp_failover_state_t
*,
3202 failover_message_t
*);
3203 isc_result_t
dhcp_failover_process_update_done (dhcp_failover_state_t
*,
3204 failover_message_t
*);
3205 void ia_remove_all_lease(struct ia_xx
*ia
, const char *file
, int line
);
3206 void dhcp_failover_recover_done (void *);
3207 void failover_print
PROTO ((char *, unsigned *, unsigned, const char *));
3208 void update_partner
PROTO ((struct lease
*));
3209 int load_balance_mine (struct packet
*, dhcp_failover_state_t
*);
3210 int peer_wants_lease (struct lease
*);
3211 binding_state_t
normal_binding_state_transition_check (struct lease
*,
3212 dhcp_failover_state_t
*,
3216 conflict_binding_state_transition_check (struct lease
*,
3217 dhcp_failover_state_t
*,
3218 binding_state_t
, u_int32_t
);
3219 int lease_mine_to_reallocate (struct lease
*);
3221 OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_state
, dhcp_failover_state_t
,
3222 dhcp_type_failover_state
)
3223 OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_listener
, dhcp_failover_listener_t
,
3224 dhcp_type_failover_listener
)
3225 OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_link
, dhcp_failover_link_t
,
3226 dhcp_type_failover_link
)
3227 #endif /* FAILOVER_PROTOCOL */
3229 const char *binding_state_print (enum failover_state
);
3233 HASH_FUNCTIONS_DECL(ia
, unsigned char *, struct ia_xx
, ia_hash_t
);
3234 HASH_FUNCTIONS_DECL(iasubopt
, struct in6_addr
*, struct iasubopt
,
3237 isc_result_t
iasubopt_allocate(struct iasubopt
**iasubopt
,
3238 const char *file
, int line
);
3239 isc_result_t
iasubopt_reference(struct iasubopt
**iasubopt
,
3240 struct iasubopt
*src
,
3241 const char *file
, int line
);
3242 isc_result_t
iasubopt_dereference(struct iasubopt
**iasubopt
,
3243 const char *file
, int line
);
3245 isc_result_t
ia_make_key(struct data_string
*key
, u_int32_t iaid
,
3246 const char *duid
, unsigned int duid_len
,
3247 const char *file
, int line
);
3248 isc_result_t
ia_allocate(struct ia_xx
**ia
, u_int32_t iaid
,
3249 const char *duid
, unsigned int duid_len
,
3250 const char *file
, int line
);
3251 isc_result_t
ia_reference(struct ia_xx
**ia
, struct ia_xx
*src
,
3252 const char *file
, int line
);
3253 isc_result_t
ia_dereference(struct ia_xx
**ia
,
3254 const char *file
, int line
);
3255 isc_result_t
ia_add_iasubopt(struct ia_xx
*ia
, struct iasubopt
*iasubopt
,
3256 const char *file
, int line
);
3257 void ia_remove_iasubopt(struct ia_xx
*ia
, struct iasubopt
*iasubopt
,
3258 const char *file
, int line
);
3259 isc_boolean_t
ia_equal(const struct ia_xx
*a
, const struct ia_xx
*b
);
3261 isc_result_t
ipv6_pool_allocate(struct ipv6_pool
**pool
, u_int16_t type
,
3262 const struct in6_addr
*start_addr
,
3263 int bits
, int units
,
3264 const char *file
, int line
);
3265 isc_result_t
ipv6_pool_reference(struct ipv6_pool
**pool
,
3266 struct ipv6_pool
*src
,
3267 const char *file
, int line
);
3268 isc_result_t
ipv6_pool_dereference(struct ipv6_pool
**pool
,
3269 const char *file
, int line
);
3270 isc_result_t
create_lease6(struct ipv6_pool
*pool
,
3271 struct iasubopt
**addr
,
3272 unsigned int *attempts
,
3273 const struct data_string
*uid
,
3274 time_t soft_lifetime_end_time
);
3275 isc_result_t
add_lease6(struct ipv6_pool
*pool
,
3276 struct iasubopt
*lease
,
3277 time_t valid_lifetime_end_time
);
3278 isc_result_t
renew_lease6(struct ipv6_pool
*pool
, struct iasubopt
*lease
);
3279 isc_result_t
expire_lease6(struct iasubopt
**leasep
,
3280 struct ipv6_pool
*pool
, time_t now
);
3281 isc_result_t
release_lease6(struct ipv6_pool
*pool
, struct iasubopt
*lease
);
3282 isc_result_t
decline_lease6(struct ipv6_pool
*pool
, struct iasubopt
*lease
);
3283 isc_boolean_t
lease6_exists(const struct ipv6_pool
*pool
,
3284 const struct in6_addr
*addr
);
3285 isc_result_t
mark_lease_unavailble(struct ipv6_pool
*pool
,
3286 const struct in6_addr
*addr
);
3288 isc_result_t
create_prefix6(struct ipv6_pool
*pool
,
3289 struct iasubopt
**pref
,
3290 unsigned int *attempts
,
3291 const struct data_string
*uid
,
3292 time_t soft_lifetime_end_time
);
3293 isc_boolean_t
prefix6_exists(const struct ipv6_pool
*pool
,
3294 const struct in6_addr
*pref
, u_int8_t plen
);
3296 isc_result_t
add_ipv6_pool(struct ipv6_pool
*pool
);
3297 isc_result_t
find_ipv6_pool(struct ipv6_pool
**pool
, u_int16_t type
,
3298 const struct in6_addr
*addr
);
3299 isc_boolean_t
ipv6_in_pool(const struct in6_addr
*addr
,
3300 const struct ipv6_pool
*pool
);
3302 isc_result_t
renew_leases(struct ia_xx
*ia
);
3303 isc_result_t
release_leases(struct ia_xx
*ia
);
3304 isc_result_t
decline_leases(struct ia_xx
*ia
);
3305 void schedule_lease_timeout(struct ipv6_pool
*pool
);
3306 void schedule_all_ipv6_lease_timeouts();
3308 void mark_hosts_unavailable(void);
3309 void mark_phosts_unavailable(void);
3310 void mark_interfaces_unavailable(void);