NetBSD-5.0.2/dist/dhcp/includes/dhcpd.h
/* dhcpd.h
Definitions for dhcpd... */
/*
* Copyright (c) 2004-2005 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1996-2003 by Internet Software Consortium
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Internet Systems Consortium, Inc.
* 950 Charter Street
* Redwood City, CA 94063
* <info@isc.org>
* http://www.isc.org/
*
* This software has been written for Internet Systems Consortium
* by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
* To learn more about Internet Systems Consortium, see
* ``http://www.isc.org/''. To learn more about Vixie Enterprises,
* see ``http://www.vix.com''. To learn more about Nominum, Inc., see
* ``http://www.nominum.com''.
*/
#ifndef __CYGWIN32__
#include <sys/types.h>
#include <netinet/in.h>
#ifndef SMALL
#include <netinet6/ipsec.h>
#endif
#include <sys/socket.h>
#include <sys/un.h>
#include <arpa/inet.h>
#include <netdb.h>
#else
#define fd_set cygwin_fd_set
#include <sys/types.h>
#endif
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <ctype.h>
#include <time.h>
#include "cdefs.h"
#include "osdep.h"
#include "arpa/nameser.h"
#if defined (NSUPDATE)
# include "minires/minires.h"
#endif
struct hash_table;
typedef struct hash_table group_hash_t;
typedef struct hash_table universe_hash_t;
typedef struct hash_table option_hash_t;
typedef struct hash_table dns_zone_hash_t;
typedef struct hash_table lease_hash_t;
typedef struct hash_table host_hash_t;
typedef struct hash_table class_hash_t;
#include "dhcp.h"
#include "statement.h"
#include "tree.h"
#include "inet.h"
#include "dhctoken.h"
#include <isc-dhcp/result.h>
#include <omapip/omapip_p.h>
#if !defined (OPTION_HASH_SIZE)
# define OPTION_HASH_SIZE 17
# define OPTION_HASH_PTWO 32 /* Next power of two above option hash. */
# define OPTION_HASH_EXP 5 /* The exponent for that power of two. */
#endif
#define compute_option_hash(x) \
(((x) & (OPTION_HASH_PTWO - 1)) + \
(((x) >> OPTION_HASH_EXP) & \
(OPTION_HASH_PTWO - 1))) % OPTION_HASH_SIZE;
enum dhcp_shutdown_state {
shutdown_listeners,
shutdown_omapi_connections,
shutdown_drop_omapi_connections,
shutdown_dhcp,
shutdown_done
};
/* Client FQDN option, failover FQDN option, etc. */
typedef struct {
u_int8_t codes [2];
unsigned length;
u_int8_t *data;
} ddns_fqdn_t;
#include "failover.h"
/* A parsing context. */
struct parse {
int lexline;
int lexchar;
char *token_line;
char *prev_line;
char *cur_line;
const char *tlname;
int eol_token;
char line1 [81];
char line2 [81];
int lpos;
int line;
int tlpos;
int tline;
enum dhcp_token token;
int ugflag;
char *tval;
int tlen;
char tokbuf [1500];
#ifdef OLD_LEXER
char comments [4096];
int comment_index;
#endif
int warnings_occurred;
int file;
char *inbuf;
unsigned bufix, buflen;
unsigned bufsiz;
};
/* Variable-length array of data. */
struct string_list {
struct string_list *next;
char string [1];
};
/* A name server, from /etc/resolv.conf. */
struct name_server {
struct name_server *next;
struct sockaddr_in addr;
TIME rcdate;
};
/* A domain search list element. */
struct domain_search_list {
struct domain_search_list *next;
char *domain;
TIME rcdate;
};
/* Option tag structures are used to build chains of option tags, for
when we're sure we're not going to have enough of them to justify
maintaining an array. */
struct option_tag {
struct option_tag *next;
u_int8_t data [1];
};
/* An agent option structure. We need a special structure for the
Relay Agent Information option because if more than one appears in
a message, we have to keep them seperate. */
struct agent_options {
struct agent_options *next;
int length;
struct option_tag *first;
};
struct option_cache {
int refcnt;
struct option_cache *next;
struct expression *expression;
struct option *option;
struct data_string data;
};
struct option_state {
int refcnt;
int universe_count;
int site_universe;
int site_code_min;
VOIDPTR universes [1];
};
/* A dhcp packet and the pointers to its option values. */
struct packet {
struct dhcp_packet *raw;
int refcnt;
unsigned packet_length;
int packet_type;
int options_valid;
int client_port;
struct iaddr client_addr;
struct interface_info *interface; /* Interface on which packet
was received. */
struct hardware *haddr; /* Physical link address
of local sender (maybe gateway). */
/* Information for relay agent options (see
draft-ietf-dhc-agent-options-xx.txt). */
u_int8_t *circuit_id; /* Circuit ID of client connection. */
int circuit_id_len;
u_int8_t *remote_id; /* Remote ID of client. */
int remote_id_len;
int got_requested_address; /* True if client sent the
dhcp-requested-address option. */
struct shared_network *shared_network;
struct option_state *options;
#if !defined (PACKET_MAX_CLASSES)
# define PACKET_MAX_CLASSES 5
#endif
int class_count;
struct class *classes [PACKET_MAX_CLASSES];
int known;
int authenticated;
};
/* A network interface's MAC address. */
struct hardware {
u_int8_t hlen;
u_int8_t hbuf [17];
};
typedef enum {
server_startup = 0,
server_running = 1,
server_shutdown = 2,
server_hibernate = 3,
server_awaken = 4
} control_object_state_t;
typedef struct {
OMAPI_OBJECT_PREAMBLE;
control_object_state_t state;
} dhcp_control_object_t;
/* Lease states: */
#define FTS_FREE 1
#define FTS_ACTIVE 2
#define FTS_EXPIRED 3
#define FTS_RELEASED 4
#define FTS_ABANDONED 5
#define FTS_RESET 6
#define FTS_BACKUP 7
typedef u_int8_t binding_state_t;
/* FTS_LAST is the highest value that is valid for a lease binding state. */
#define FTS_LAST FTS_BACKUP
/* A dhcp lease declaration structure. */
struct lease {
OMAPI_OBJECT_PREAMBLE;
struct lease *next;
struct lease *n_uid, *n_hw;
struct iaddr ip_addr;
TIME starts, ends, timestamp, sort_time;
char *client_hostname;
struct binding_scope *scope;
struct host_decl *host;
struct subnet *subnet;
struct pool *pool;
struct class *billing_class;
struct option_chain_head *agent_options;
struct executable_statement *on_expiry;
struct executable_statement *on_commit;
struct executable_statement *on_release;
unsigned char *uid;
unsigned short uid_len;
unsigned short uid_max;
unsigned char uid_buf [7];
struct hardware hardware_addr;
u_int8_t flags;
# define STATIC_LEASE 1
# define BOOTP_LEASE 2
# define PERSISTENT_FLAGS (ON_ACK_QUEUE | ON_UPDATE_QUEUE)
# define MS_NULL_TERMINATION 8
# define ON_UPDATE_QUEUE 16
# define ON_ACK_QUEUE 32
# define UNICAST_BROADCAST_HACK 64
# define ON_DEFERRED_QUEUE 128
# define EPHEMERAL_FLAGS (MS_NULL_TERMINATION | \
UNICAST_BROADCAST_HACK)
binding_state_t binding_state;
binding_state_t next_binding_state;
binding_state_t desired_binding_state;
struct lease_state *state;
TIME tstp; /* Time sent to partner. */
TIME tsfp; /* Time sent from partner. */
TIME cltt; /* Client last transaction time. */
struct lease *next_pending;
};
struct lease_state {
struct lease_state *next;
struct interface_info *ip;
struct packet *packet; /* The incoming packet. */
TIME offered_expiry;
struct option_state *options;
struct data_string parameter_request_list;
int max_message_size;
u_int32_t expiry, renewal, rebind;
struct data_string filename, server_name;
int got_requested_address;
int got_server_identifier;
struct shared_network *shared_network; /* Shared network of interface
on which request arrived. */
u_int32_t xid;
u_int16_t secs;
u_int16_t bootp_flags;
struct in_addr ciaddr;
struct in_addr siaddr;
struct in_addr giaddr;
u_int8_t hops;
u_int8_t offer;
struct iaddr from;
};
#define ROOT_GROUP 0
#define HOST_DECL 1
#define SHARED_NET_DECL 2
#define SUBNET_DECL 3
#define CLASS_DECL 4
#define GROUP_DECL 5
#define POOL_DECL 6
/* Possible modes in which discover_interfaces can run. */
#define DISCOVER_RUNNING 0
#define DISCOVER_SERVER 1
#define DISCOVER_UNCONFIGURED 2
#define DISCOVER_RELAY 3
#define DISCOVER_REQUESTED 4
/* Server option names. */
#define SV_DEFAULT_LEASE_TIME 1
#define SV_MAX_LEASE_TIME 2
#define SV_MIN_LEASE_TIME 3
#define SV_BOOTP_LEASE_CUTOFF 4
#define SV_BOOTP_LEASE_LENGTH 5
#define SV_BOOT_UNKNOWN_CLIENTS 6
#define SV_DYNAMIC_BOOTP 7
#define SV_ALLOW_BOOTP 8
#define SV_ALLOW_BOOTING 9
#define SV_ONE_LEASE_PER_CLIENT 10
#define SV_GET_LEASE_HOSTNAMES 11
#define SV_USE_HOST_DECL_NAMES 12
#define SV_USE_LEASE_ADDR_FOR_DEFAULT_ROUTE 13
#define SV_MIN_SECS 14
#define SV_FILENAME 15
#define SV_SERVER_NAME 16
#define SV_NEXT_SERVER 17
#define SV_AUTHORITATIVE 18
#define SV_VENDOR_OPTION_SPACE 19
#define SV_ALWAYS_REPLY_RFC1048 20
#define SV_SITE_OPTION_SPACE 21
#define SV_ALWAYS_BROADCAST 22
#define SV_DDNS_DOMAIN_NAME 23
#define SV_DDNS_HOST_NAME 24
#define SV_DDNS_REV_DOMAIN_NAME 25
#define SV_LEASE_FILE_NAME 26
#define SV_PID_FILE_NAME 27
#define SV_DUPLICATES 28
#define SV_DECLINES 29
#define SV_DDNS_UPDATES 30
#define SV_OMAPI_PORT 31
#define SV_LOCAL_PORT 32
#define SV_LIMITED_BROADCAST_ADDRESS 33
#define SV_REMOTE_PORT 34
#define SV_LOCAL_ADDRESS 35
#define SV_OMAPI_KEY 36
#define SV_STASH_AGENT_OPTIONS 37
#define SV_DDNS_TTL 38
#define SV_DDNS_UPDATE_STYLE 39
#define SV_CLIENT_UPDATES 40
#define SV_UPDATE_OPTIMIZATION 41
#define SV_PING_CHECKS 42
#define SV_UPDATE_STATIC_LEASES 43
#define SV_LOG_FACILITY 44
#define SV_DO_FORWARD_UPDATES 45
#define SV_PING_TIMEOUT 46
#if !defined (DEFAULT_PING_TIMEOUT)
# define DEFAULT_PING_TIMEOUT 1
#endif
#if !defined (DEFAULT_DEFAULT_LEASE_TIME)
# define DEFAULT_DEFAULT_LEASE_TIME 43200
#endif
#if !defined (DEFAULT_MIN_LEASE_TIME)
# define DEFAULT_MIN_LEASE_TIME 0
#endif
#if !defined (DEFAULT_MAX_LEASE_TIME)
# define DEFAULT_MAX_LEASE_TIME 86400
#endif
#if !defined (DEFAULT_DDNS_TTL)
# define DEFAULT_DDNS_TTL 3600
#endif
/* Client option names */
#define CL_TIMEOUT 1
#define CL_SELECT_INTERVAL 2
#define CL_REBOOT_TIMEOUT 3
#define CL_RETRY_INTERVAL 4
#define CL_BACKOFF_CUTOFF 5
#define CL_INITIAL_INTERVAL 6
#define CL_BOOTP_POLICY 7
#define CL_SCRIPT_NAME 8
#define CL_REQUESTED_OPTIONS 9
#define CL_REQUESTED_LEASE_TIME 10
#define CL_SEND_OPTIONS 11
#define CL_MEDIA 12
#define CL_REJECT_LIST 13
#ifndef CL_DEFAULT_TIMEOUT
# define CL_DEFAULT_TIMEOUT 60
#endif
#ifndef CL_DEFAULT_SELECT_INTERVAL
# define CL_DEFAULT_SELECT_INTERVAL 0
#endif
#ifndef CL_DEFAULT_REBOOT_TIMEOUT
# define CL_DEFAULT_REBOOT_TIMEOUT 10
#endif
#ifndef CL_DEFAULT_RETRY_INTERVAL
# define CL_DEFAULT_RETRY_INTERVAL 300
#endif
#ifndef CL_DEFAULT_BACKOFF_CUTOFF
# define CL_DEFAULT_BACKOFF_CUTOFF 120
#endif
#ifndef CL_DEFAULT_INITIAL_INTERVAL
# define CL_DEFAULT_INITIAL_INTERVAL 10
#endif
#ifndef CL_DEFAULT_BOOTP_POLICY
# define CL_DEFAULT_BOOTP_POLICY P_ACCEPT
#endif
#ifndef CL_DEFAULT_REQUESTED_OPTIONS
# define CL_DEFAULT_REQUESTED_OPTIONS \
{ DHO_SUBNET_MASK, \
DHO_BROADCAST_ADDRESS, \
DHO_TIME_OFFSET, \
DHO_ROUTERS, \
DHO_DOMAIN_NAME, \
DHO_DOMAIN_NAME_SERVERS, \
DHO_HOST_NAME }
#endif
struct group_object {
OMAPI_OBJECT_PREAMBLE;
struct group_object *n_dynamic;
struct group *group;
char *name;
int flags;
#define GROUP_OBJECT_DELETED 1
#define GROUP_OBJECT_DYNAMIC 2
#define GROUP_OBJECT_STATIC 4
};
/* Group of declarations that share common parameters. */
struct group {
struct group *next;
int refcnt;
struct group_object *object;
struct subnet *subnet;
struct shared_network *shared_network;
int authoritative;
struct executable_statement *statements;
};
/* A dhcp host declaration structure. */
struct host_decl {
OMAPI_OBJECT_PREAMBLE;
struct host_decl *n_ipaddr;
struct host_decl *n_dynamic;
char *name;
struct hardware interface;
struct data_string client_identifier;
struct option_cache *fixed_addr;
struct group *group;
struct group_object *named_group;
struct data_string auth_key_id;
int flags;
#define HOST_DECL_DELETED 1
#define HOST_DECL_DYNAMIC 2
#define HOST_DECL_STATIC 4
};
struct permit {
struct permit *next;
enum {
permit_unknown_clients,
permit_known_clients,
permit_authenticated_clients,
permit_unauthenticated_clients,
permit_all_clients,
permit_dynamic_bootp_clients,
permit_class
} type;
struct class *class;
};
struct pool {
OMAPI_OBJECT_PREAMBLE;
struct pool *next;
struct group *group;
struct shared_network *shared_network;
struct permit *permit_list;
struct permit *prohibit_list;
struct lease *active;
struct lease *expired;
struct lease *free;
struct lease *backup;
struct lease *abandoned;
TIME next_event_time;
int lease_count;
int free_leases;
int backup_leases;
int index;
#if defined (FAILOVER_PROTOCOL)
dhcp_failover_state_t *failover_peer;
#endif
};
struct shared_network {
OMAPI_OBJECT_PREAMBLE;
struct shared_network *next;
char *name;
struct subnet *subnets;
struct interface_info *interface;
struct pool *pools;
struct group *group;
#if defined (FAILOVER_PROTOCOL)
dhcp_failover_state_t *failover_peer;
#endif
};
struct subnet {
OMAPI_OBJECT_PREAMBLE;
struct subnet *next_subnet;
struct subnet *next_sibling;
struct shared_network *shared_network;
struct interface_info *interface;
struct iaddr interface_address;
struct iaddr net;
struct iaddr netmask;
struct group *group;
};
struct collection {
struct collection *next;
const char *name;
struct class *classes;
};
/* XXX classes must be reference-counted. */
struct class {
OMAPI_OBJECT_PREAMBLE;
struct class *nic; /* Next in collection. */
struct class *superclass; /* Set for spawned classes only. */
char *name; /* Not set for spawned classes. */
/* A class may be configured to permit a limited number of leases. */
int lease_limit;
int leases_consumed;
struct lease **billed_leases;
/* If nonzero, class has not been saved since it was last
modified. */
int dirty;
/* Hash table containing subclasses. */
class_hash_t *hash;
struct data_string hash_string;
/* Expression used to match class. */
struct expression *expr;
/* Expression used to compute subclass identifiers for spawning
and to do subclass matching. */
struct expression *submatch;
int spawning;
struct group *group;
/* Statements to execute if class matches. */
struct executable_statement *statements;
};
/* DHCP client lease structure... */
struct client_lease {
struct client_lease *next; /* Next lease in list. */
TIME expiry, renewal, rebind; /* Lease timeouts. */
struct iaddr address; /* Address being leased. */
char *server_name; /* Name of boot server. */
char *filename; /* Name of file we're supposed to boot. */
struct string_list *medium; /* Network medium. */
struct auth_key *key; /* Key used in basic DHCP authentication. */
unsigned int is_static : 1; /* If set, lease is from config file. */
unsigned int is_bootp: 1; /* If set, lease was acquired with BOOTP. */
struct option_state *options; /* Options supplied with lease. */
};
/* Possible states in which the client can be. */
enum dhcp_state {
S_REBOOTING = 1,
S_INIT = 2,
S_SELECTING = 3,
S_REQUESTING = 4,
S_BOUND = 5,
S_RENEWING = 6,
S_REBINDING = 7,
S_STOPPED = 8
};
/* Authentication and BOOTP policy possibilities (not all values work
for each). */
enum policy { P_IGNORE, P_ACCEPT, P_PREFER, P_REQUIRE, P_DONT };
/* Configuration information from the config file... */
struct client_config {
/*
* When a message has been received, run these statements
* over it.
*/
struct group *on_receipt;
/*
* When a message is sent, run these statements.
*/
struct group *on_transmission;
u_int32_t *required_options; /* Options server must supply. */
u_int32_t *requested_options; /* Options to request from server. */
TIME timeout; /* Start to panic if we don't get a
lease in this time period when
SELECTING. */
TIME initial_interval; /* All exponential backoff intervals
start here. */
TIME retry_interval; /* If the protocol failed to produce
an address before the timeout,
try the protocol again after this
many seconds. */
TIME select_interval; /* Wait this many seconds from the
first DHCPDISCOVER before
picking an offered lease. */
TIME reboot_timeout; /* When in INIT-REBOOT, wait this
long before giving up and going
to INIT. */
TIME backoff_cutoff; /* When doing exponential backoff,
never back off to an interval
longer than this amount. */
u_int32_t requested_lease; /* Requested lease time, if user
doesn't configure one. */
struct string_list *media; /* Possible network media values. */
char *script_name; /* Name of config script. */
char *vendor_space_name; /* Name of config script. */
enum policy bootp_policy;
/* Ignore, accept or prefer BOOTP
responses. */
enum policy auth_policy;
/* Require authentication, prefer
authentication, or don't try to
authenticate. */
struct string_list *medium; /* Current network medium. */
struct iaddrlist *reject_list; /* Servers to reject. */
int do_forward_update; /* If nonzero, and if we have the
information we need, update the
A record for the address we get. */
omapi_auth_key_t *omapi_key; /* Key to use for authenticating
OMAPI connections. */
int omapi_port; /* Port on which to listen for OMAPI
connections. */
};
/* Per-interface state used in the dhcp client... */
struct client_state {
struct client_state *next;
struct interface_info *interface;
char *name;
struct client_lease *active; /* Currently active lease. */
struct client_lease *new; /* New lease. */
struct client_lease *offered_leases; /* Leases offered to us. */
struct client_lease *leases; /* Leases we currently hold. */
struct client_lease *alias; /* Alias lease. */
enum dhcp_state state; /* Current state for this interface. */
struct iaddr destination; /* Where to send packet. */
u_int32_t xid; /* Transaction ID. */
u_int16_t secs; /* secs value from DHCPDISCOVER. */
TIME first_sending; /* When was first copy sent? */
TIME interval; /* What's the current resend interval? */
int dns_update_timeout; /* Last timeout set for DNS update. */
struct string_list *medium; /* Last media type tried. */
struct dhcp_packet packet; /* Outgoing DHCP packet. */
unsigned packet_length; /* Actual length of generated packet. */
struct iaddr requested_address; /* Address we would like to get. */
struct client_config *config; /* Client configuration. */
struct string_list *env; /* Client script environment. */
int envc; /* Number of entries in environment. */
struct option_state *sent_options; /* Options we sent. */
};
/* Information about each network interface. */
struct interface_info {
OMAPI_OBJECT_PREAMBLE;
struct interface_info *next; /* Next interface in list... */
struct shared_network *shared_network;
/* Networks connected to this interface. */
struct hardware hw_address; /* Its physical address. */
struct in_addr primary_address; /* Primary interface address. */
u_int8_t *circuit_id; /* Circuit ID associated with this
interface. */
unsigned circuit_id_len; /* Length of Circuit ID, if there
is one. */
u_int8_t *remote_id; /* Remote ID associated with this
interface (if any). */
unsigned remote_id_len; /* Length of Remote ID. */
char name [IFNAMSIZ]; /* Its name... */
int index; /* Its index. */
int rfdesc; /* Its read file descriptor. */
int wfdesc; /* Its write file descriptor, if
different. */
unsigned char *rbuf; /* Read buffer, if required. */
unsigned int rbuf_max; /* Size of read buffer. */
size_t rbuf_offset; /* Current offset into buffer. */
size_t rbuf_len; /* Length of data in buffer. */
struct ifreq *ifp; /* Pointer to ifreq struct. */
u_int32_t flags; /* Control flags... */
#define INTERFACE_REQUESTED 1
#define INTERFACE_AUTOMATIC 2
#define INTERFACE_RUNNING 4
/* Only used by DHCP client code. */
struct client_state *client;
# if defined (USE_DLPI_SEND) || defined (USE_DLPI_RECEIVE)
int dlpi_sap_length;
struct hardware dlpi_broadcast_addr;
# endif /* DLPI_SEND || DLPI_RECEIVE */
};
struct hardware_link {
struct hardware_link *next;
char name [IFNAMSIZ];
struct hardware address;
};
typedef void (*tvref_t)(void *, void *, const char *, int);
typedef void (*tvunref_t)(void *, const char *, int);
struct timeout {
struct timeout *next;
TIME when;
void (*func) PROTO ((void *));
void *what;
tvref_t ref;
tvunref_t unref;
};
struct protocol {
struct protocol *next;
int fd;
void (*handler) PROTO ((struct protocol *));
void *local;
};
struct dns_query; /* forward */
struct dns_wakeup {
struct dns_wakeup *next; /* Next wakeup in chain. */
void (*func) PROTO ((struct dns_query *));
};
struct dns_question {
u_int16_t type; /* Type of query. */
u_int16_t class; /* Class of query. */
unsigned char data [1]; /* Query data. */
};
struct dns_answer {
u_int16_t type; /* Type of answer. */
u_int16_t class; /* Class of answer. */
int count; /* Number of answers. */
unsigned char *answers[1]; /* Pointers to answers. */
};
struct dns_query {
struct dns_query *next; /* Next query in hash bucket. */
u_int32_t hash; /* Hash bucket index. */
TIME expiry; /* Query expiry time (zero if not yet
answered. */
u_int16_t id; /* Query ID (also hash table index) */
caddr_t waiters; /* Pointer to list of things waiting
on this query. */
struct dns_question *question; /* Question, internal format. */
struct dns_answer *answer; /* Answer, internal format. */
unsigned char *query; /* Query formatted for DNS server. */
unsigned len; /* Length of entire query. */
int sent; /* The query has been sent. */
struct dns_wakeup *wakeups; /* Wakeups to call if this query is
answered. */
struct name_server *next_server; /* Next server to try. */
int backoff; /* Current backoff, in seconds. */
};
struct dns_zone {
int refcnt;
TIME timeout;
char *name;
struct option_cache *primary;
struct option_cache *secondary;
struct auth_key *key;
};
struct icmp_state {
OMAPI_OBJECT_PREAMBLE;
int socket;
void (*icmp_handler) PROTO ((struct iaddr, u_int8_t *, int));
};
#include "ctrace.h"
/* Bitmask of dhcp option codes. */
typedef unsigned char option_mask [16];
/* DHCP Option mask manipulation macros... */
#define OPTION_ZERO(mask) (memset (mask, 0, 16))
#define OPTION_SET(mask, bit) (mask [bit >> 8] |= (1 << (bit & 7)))
#define OPTION_CLR(mask, bit) (mask [bit >> 8] &= ~(1 << (bit & 7)))
#define OPTION_ISSET(mask, bit) (mask [bit >> 8] & (1 << (bit & 7)))
#define OPTION_ISCLR(mask, bit) (!OPTION_ISSET (mask, bit))
/* An option occupies its length plus two header bytes (code and
length) for every 255 bytes that must be stored. */
#define OPTION_SPACE(x) ((x) + 2 * ((x) / 255 + 1))
/* Default path to dhcpd config file. */
#ifdef DEBUG
#undef _PATH_DHCPD_CONF
#define _PATH_DHCPD_CONF "dhcpd.conf"
#undef _PATH_DHCPD_DB
#define _PATH_DHCPD_DB "dhcpd.leases"
#undef _PATH_DHCPD_PID
#define _PATH_DHCPD_PID "dhcpd.pid"
#else
#ifndef _PATH_DHCPD_CONF
#define _PATH_DHCPD_CONF "/etc/dhcpd.conf"
#endif
#ifndef _PATH_DHCPD_DB
#define _PATH_DHCPD_DB "/etc/dhcpd.leases"
#endif
#ifndef _PATH_DHCPD_PID
#define _PATH_DHCPD_PID "/var/run/dhcpd.pid"
#endif
#endif
#ifndef _PATH_DHCLIENT_CONF
#define _PATH_DHCLIENT_CONF "/etc/dhclient.conf"
#endif
#ifndef _PATH_DHCLIENT_SCRIPT
#define _PATH_DHCLIENT_SCRIPT "/sbin/dhclient-script"
#endif
#ifndef _PATH_DHCLIENT_PID
#define _PATH_DHCLIENT_PID "/var/run/dhclient.pid"
#endif
#ifndef _PATH_DHCLIENT_DB
#define _PATH_DHCLIENT_DB "/etc/dhclient.leases"
#endif
#ifndef _PATH_RESOLV_CONF
#define _PATH_RESOLV_CONF "/etc/resolv.conf"
#endif
#ifndef _PATH_DHCRELAY_PID
#define _PATH_DHCRELAY_PID "/var/run/dhcrelay.pid"
#endif
#ifndef DHCPD_LOG_FACILITY
#define DHCPD_LOG_FACILITY LOG_DAEMON
#endif
#define MAX_TIME 0x7fffffff
#define MIN_TIME 0
/* External definitions... */
HASH_FUNCTIONS_DECL (group, const char *, struct group_object, group_hash_t)
HASH_FUNCTIONS_DECL (universe, const char *, struct universe, universe_hash_t)
HASH_FUNCTIONS_DECL (option, const char *, struct option, option_hash_t)
HASH_FUNCTIONS_DECL (dns_zone, const char *, struct dns_zone, dns_zone_hash_t)
HASH_FUNCTIONS_DECL (lease, const unsigned char *, struct lease, lease_hash_t)
HASH_FUNCTIONS_DECL (host, const unsigned char *, struct host_decl, host_hash_t)
HASH_FUNCTIONS_DECL (class, const char *, struct class, class_hash_t)
/* options.c */
extern struct option *vendor_cfg_option;
int parse_options PROTO ((struct packet *));
int parse_option_buffer PROTO ((struct option_state *, const unsigned char *,
unsigned, struct universe *));
struct universe *find_option_universe (struct option *, const char *);
int parse_encapsulated_suboptions (struct option_state *, struct option *,
const unsigned char *, unsigned,
struct universe *, const char *);
int cons_options PROTO ((struct packet *, struct dhcp_packet *, struct lease *,
struct client_state *,
int, struct option_state *, struct option_state *,
struct binding_scope **,
int, int, int, struct data_string *, const char *));
int fqdn_universe_decode (struct option_state *,
const unsigned char *, unsigned, struct universe *);
int store_options PROTO ((int *, unsigned char *, unsigned, struct packet *,
struct lease *, struct client_state *,
struct option_state *,
struct option_state *, struct binding_scope **,
unsigned *, int, unsigned, unsigned,
int, const char *));
const char *pretty_print_option PROTO ((struct option *, const unsigned char *,
unsigned, int, int));
int get_option (struct data_string *, struct universe *,
struct packet *, struct lease *, struct client_state *,
struct option_state *, struct option_state *,
struct option_state *, struct binding_scope **, unsigned,
const char *, int);
void set_option (struct universe *, struct option_state *,
struct option_cache *, enum statement_op);
struct option_cache *lookup_option PROTO ((struct universe *,
struct option_state *, unsigned));
struct option_cache *lookup_hashed_option PROTO ((struct universe *,
struct option_state *,
unsigned));
int save_option_buffer (struct universe *, struct option_state *,
struct buffer *, unsigned char *, unsigned,
struct option *, int);
void save_option PROTO ((struct universe *,
struct option_state *, struct option_cache *));
void save_hashed_option PROTO ((struct universe *,
struct option_state *, struct option_cache *));
void delete_option PROTO ((struct universe *, struct option_state *, int));
void delete_hashed_option PROTO ((struct universe *,
struct option_state *, int));
int option_cache_dereference PROTO ((struct option_cache **,
const char *, int));
int hashed_option_state_dereference PROTO ((struct universe *,
struct option_state *,
const char *, int));
int store_option PROTO ((struct data_string *,
struct universe *, struct packet *, struct lease *,
struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **, struct option_cache *));
int option_space_encapsulate PROTO ((struct data_string *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct data_string *));
int hashed_option_space_encapsulate PROTO ((struct data_string *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *));
int nwip_option_space_encapsulate PROTO ((struct data_string *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *));
int fqdn_option_space_encapsulate (struct data_string *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *);
void suboption_foreach (struct packet *, struct lease *, struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **, struct universe *, void *,
void (*) (struct option_cache *, struct packet *,
struct lease *, struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **,
struct universe *, void *),
struct option_cache *, const char *);
void option_space_foreach (struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *, void *,
void (*) (struct option_cache *,
struct packet *,
struct lease *, struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *, void *));
void hashed_option_space_foreach (struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *, void *,
void (*) (struct option_cache *,
struct packet *,
struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *, void *));
int linked_option_get PROTO ((struct data_string *, struct universe *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *, struct option_state *,
struct option_state *, struct binding_scope **,
unsigned));
int linked_option_state_dereference PROTO ((struct universe *,
struct option_state *,
const char *, int));
void save_linked_option (struct universe *, struct option_state *,
struct option_cache *);
void linked_option_space_foreach (struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *, void *,
void (*) (struct option_cache *,
struct packet *,
struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *, void *));
int linked_option_space_encapsulate (struct data_string *, struct packet *,
struct lease *, struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct universe *);
void delete_linked_option (struct universe *, struct option_state *, int);
struct option_cache *lookup_linked_option (struct universe *,
struct option_state *, unsigned);
void do_packet PROTO ((struct interface_info *,
struct dhcp_packet *, unsigned,
unsigned int, struct iaddr, struct hardware *));
/* dhcpd.c */
extern TIME cur_time;
int ddns_update_style;
extern const char *path_dhcpd_conf;
extern const char *path_dhcpd_db;
extern const char *path_dhcpd_pid;
extern int dhcp_max_agent_option_packet_length;
int main PROTO ((int, char **, char **));
void postconf_initialization (int);
void postdb_startup (void);
void cleanup PROTO ((void));
void lease_pinged PROTO ((struct iaddr, u_int8_t *, int));
void lease_ping_timeout PROTO ((void *));
int dhcpd_interface_setup_hook (struct interface_info *ip, struct iaddr *ia);
enum dhcp_shutdown_state shutdown_state;
isc_result_t dhcp_io_shutdown (omapi_object_t *, void *);
isc_result_t dhcp_set_control_state (control_object_state_t oldstate,
control_object_state_t newstate);
/* conflex.c */
isc_result_t new_parse PROTO ((struct parse **, int,
char *, unsigned, const char *, int));
isc_result_t end_parse PROTO ((struct parse **));
enum dhcp_token next_token PROTO ((const char **, unsigned *, struct parse *));
enum dhcp_token peek_token PROTO ((const char **, unsigned *, struct parse *));
/* confpars.c */
void parse_trace_setup (void);
isc_result_t readconf PROTO ((void));
isc_result_t read_conf_file (const char *, struct group *, int, int);
#if defined (TRACING)
void trace_conf_input (trace_type_t *, unsigned, char *);
void trace_conf_stop (trace_type_t *ttype);
#endif
isc_result_t conf_file_subparse (struct parse *, struct group *, int);
isc_result_t lease_file_subparse (struct parse *);
int parse_statement PROTO ((struct parse *,
struct group *, int, struct host_decl *, int));
#if defined (FAILOVER_PROTOCOL)
void parse_failover_peer PROTO ((struct parse *, struct group *, int));
void parse_failover_state_declaration (struct parse *,
dhcp_failover_state_t *);
void parse_failover_state PROTO ((struct parse *,
enum failover_state *, TIME *));
#endif
int permit_list_match (struct permit *, struct permit *);
void parse_pool_statement PROTO ((struct parse *, struct group *, int));
int parse_boolean PROTO ((struct parse *));
int parse_lbrace PROTO ((struct parse *));
void parse_host_declaration PROTO ((struct parse *, struct group *));
int parse_class_declaration PROTO ((struct class **, struct parse *,
struct group *, int));
void parse_shared_net_declaration PROTO ((struct parse *, struct group *));
void parse_subnet_declaration PROTO ((struct parse *,
struct shared_network *));
void parse_group_declaration PROTO ((struct parse *, struct group *));
int parse_fixed_addr_param PROTO ((struct option_cache **, struct parse *));
TIME parse_timestamp PROTO ((struct parse *));
int parse_lease_declaration PROTO ((struct lease **, struct parse *));
void parse_address_range PROTO ((struct parse *, struct group *, int,
struct pool *, struct lease **));
/* ddns.c */
int ddns_updates PROTO ((struct packet *, struct lease *, struct lease *,
struct lease_state *));
int ddns_removals PROTO ((struct lease *));
/* parse.c */
void add_enumeration (struct enumeration *);
struct enumeration *find_enumeration (const char *, int);
struct enumeration_value *find_enumeration_value (const char *, int,
const char *);
void skip_to_semi PROTO ((struct parse *));
void skip_to_rbrace PROTO ((struct parse *, int));
int parse_semi PROTO ((struct parse *));
int parse_string PROTO ((struct parse *, char **, unsigned *));
char *parse_host_name PROTO ((struct parse *));
int parse_ip_addr_or_hostname PROTO ((struct expression **,
struct parse *, int));
void parse_hardware_param PROTO ((struct parse *, struct hardware *));
void parse_lease_time PROTO ((struct parse *, TIME *));
unsigned char *parse_numeric_aggregate PROTO ((struct parse *,
unsigned char *, unsigned *,
int, int, unsigned));
void convert_num PROTO ((struct parse *, unsigned char *, const char *,
int, unsigned));
TIME parse_date PROTO ((struct parse *));
struct option *parse_option_name PROTO ((struct parse *, int, int *));
void parse_option_space_decl PROTO ((struct parse *));
int parse_option_code_definition PROTO ((struct parse *, struct option *));
int parse_base64 (struct data_string *, struct parse *);
int parse_cshl PROTO ((struct data_string *, struct parse *));
int parse_executable_statement PROTO ((struct executable_statement **,
struct parse *, int *,
enum expression_context));
int parse_executable_statements PROTO ((struct executable_statement **,
struct parse *, int *,
enum expression_context));
int parse_zone (struct dns_zone *, struct parse *);
int parse_key (struct parse *);
int parse_on_statement PROTO ((struct executable_statement **,
struct parse *, int *));
int parse_switch_statement PROTO ((struct executable_statement **,
struct parse *, int *));
int parse_case_statement PROTO ((struct executable_statement **,
struct parse *, int *,
enum expression_context));
int parse_if_statement PROTO ((struct executable_statement **,
struct parse *, int *));
int parse_boolean_expression PROTO ((struct expression **,
struct parse *, int *));
int parse_data_expression PROTO ((struct expression **,
struct parse *, int *));
int parse_numeric_expression PROTO ((struct expression **,
struct parse *, int *));
int parse_dns_expression PROTO ((struct expression **, struct parse *, int *));
int parse_non_binary PROTO ((struct expression **, struct parse *, int *,
enum expression_context));
int parse_expression PROTO ((struct expression **, struct parse *, int *,
enum expression_context,
struct expression **, enum expr_op));
int parse_option_statement PROTO ((struct executable_statement **,
struct parse *, int,
struct option *, enum statement_op));
int parse_option_token PROTO ((struct expression **, struct parse *,
const char **, struct expression *, int, int));
int parse_allow_deny PROTO ((struct option_cache **, struct parse *, int));
int parse_auth_key PROTO ((struct data_string *, struct parse *));
int parse_warn (struct parse *, const char *, ...)
__attribute__((__format__(__printf__,2,3)));
/* tree.c */
#if defined (NSUPDATE)
extern struct __res_state resolver_state;
extern int resolver_inited;
#endif
extern struct binding_scope *global_scope;
pair cons PROTO ((caddr_t, pair));
int make_const_option_cache PROTO ((struct option_cache **, struct buffer **,
u_int8_t *, unsigned, struct option *,
const char *, int));
int make_host_lookup PROTO ((struct expression **, const char *));
int enter_dns_host PROTO ((struct dns_host_entry **, const char *));
int make_const_data (struct expression **,
const unsigned char *, unsigned, int, int,
const char *, int);
int make_const_int PROTO ((struct expression **, unsigned long));
int make_concat PROTO ((struct expression **,
struct expression *, struct expression *));
int make_encapsulation PROTO ((struct expression **, struct data_string *));
int make_substring PROTO ((struct expression **, struct expression *,
struct expression *, struct expression *));
int make_limit PROTO ((struct expression **, struct expression *, int));
int make_let PROTO ((struct executable_statement **, const char *));
int option_cache PROTO ((struct option_cache **, struct data_string *,
struct expression *, struct option *,
const char *, int));
int evaluate_expression (struct binding_value **, struct packet *,
struct lease *, struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **, struct expression *,
const char *, int);
int binding_value_dereference (struct binding_value **, const char *, int);
#if defined (NSUPDATE)
int evaluate_dns_expression PROTO ((ns_updrec **, struct packet *,
struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct expression *));
#endif
int evaluate_boolean_expression PROTO ((int *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct expression *));
int evaluate_data_expression PROTO ((struct data_string *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct expression *, const char *, int));
int evaluate_numeric_expression (unsigned long *, struct packet *,
struct lease *, struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **,
struct expression *);
int evaluate_option_cache PROTO ((struct data_string *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **,
struct option_cache *,
const char *, int));
int evaluate_boolean_option_cache PROTO ((int *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct option_cache *,
const char *, int));
int evaluate_boolean_expression_result PROTO ((int *,
struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct expression *));
void expression_dereference PROTO ((struct expression **, const char *, int));
int is_dns_expression PROTO ((struct expression *));
int is_boolean_expression PROTO ((struct expression *));
int is_data_expression PROTO ((struct expression *));
int is_numeric_expression PROTO ((struct expression *));
int is_compound_expression PROTO ((struct expression *));
int op_precedence PROTO ((enum expr_op, enum expr_op));
enum expression_context expression_context (struct expression *);
enum expression_context op_context PROTO ((enum expr_op));
int write_expression PROTO ((FILE *, struct expression *, int, int, int));
struct binding *find_binding PROTO ((struct binding_scope *, const char *));
int free_bindings PROTO ((struct binding_scope *, const char *, int));
int binding_scope_dereference PROTO ((struct binding_scope **,
const char *, int));
int fundef_dereference (struct fundef **, const char *, int);
int data_subexpression_length (int *, struct expression *);
int expr_valid_for_context (struct expression *, enum expression_context);
struct binding *create_binding (struct binding_scope **, const char *);
int bind_ds_value (struct binding_scope **,
const char *, struct data_string *);
int find_bound_string (struct data_string *,
struct binding_scope *, const char *);
int unset (struct binding_scope *, const char *);
/* dhcp.c */
extern int outstanding_pings;
void dhcp PROTO ((struct packet *));
void dhcpdiscover PROTO ((struct packet *, int));
void dhcprequest PROTO ((struct packet *, int, struct lease *));
void dhcprelease PROTO ((struct packet *, int));
void dhcpdecline PROTO ((struct packet *, int));
void dhcpinform PROTO ((struct packet *, int));
void nak_lease PROTO ((struct packet *, struct iaddr *cip));
void ack_lease PROTO ((struct packet *, struct lease *,
unsigned int, TIME, char *, int, struct host_decl *));
void dhcp_reply PROTO ((struct lease *));
int find_lease PROTO ((struct lease **, struct packet *,
struct shared_network *, int *, int *, struct lease *,
const char *, int));
int mockup_lease PROTO ((struct lease **, struct packet *,
struct shared_network *,
struct host_decl *));
void static_lease_dereference PROTO ((struct lease *, const char *, int));
int allocate_lease PROTO ((struct lease **, struct packet *,
struct pool *, int *));
int permitted PROTO ((struct packet *, struct permit *));
int locate_network PROTO ((struct packet *));
int parse_agent_information_option PROTO ((struct packet *, int, u_int8_t *));
unsigned cons_agent_information_options PROTO ((struct option_state *,
struct dhcp_packet *,
unsigned, unsigned));
/* bootp.c */
void bootp PROTO ((struct packet *));
/* memory.c */
int (*group_write_hook) (struct group_object *);
extern struct group *root_group;
extern group_hash_t *group_name_hash;
isc_result_t delete_group (struct group_object *, int);
isc_result_t supersede_group (struct group_object *, int);
int clone_group (struct group **, struct group *, const char *, int);
int write_group PROTO ((struct group_object *));
/* salloc.c */
void relinquish_lease_hunks (void);
struct lease *new_leases PROTO ((unsigned, const char *, int));
#if defined (DEBUG_MEMORY_LEAKAGE) || \
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
void relinquish_free_lease_states (void);
#endif
OMAPI_OBJECT_ALLOC_DECL (lease, struct lease, dhcp_type_lease)
OMAPI_OBJECT_ALLOC_DECL (class, struct class, dhcp_type_class)
OMAPI_OBJECT_ALLOC_DECL (pool, struct pool, dhcp_type_pool)
OMAPI_OBJECT_ALLOC_DECL (host, struct host_decl, dhcp_type_host)
/* alloc.c */
OMAPI_OBJECT_ALLOC_DECL (subnet, struct subnet, dhcp_type_subnet)
OMAPI_OBJECT_ALLOC_DECL (shared_network, struct shared_network,
dhcp_type_shared_network)
OMAPI_OBJECT_ALLOC_DECL (group_object, struct group_object, dhcp_type_group)
OMAPI_OBJECT_ALLOC_DECL (dhcp_control,
dhcp_control_object_t, dhcp_type_control)
#if defined (DEBUG_MEMORY_LEAKAGE) || \
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
void relinquish_free_pairs (void);
void relinquish_free_expressions (void);
void relinquish_free_binding_values (void);
void relinquish_free_option_caches (void);
void relinquish_free_packets (void);
#endif
int option_chain_head_allocate (struct option_chain_head **,
const char *, int);
int option_chain_head_reference (struct option_chain_head **,
struct option_chain_head *,
const char *, int);
int option_chain_head_dereference (struct option_chain_head **,
const char *, int);
int group_allocate (struct group **, const char *, int);
int group_reference (struct group **, struct group *, const char *, int);
int group_dereference (struct group **, const char *, int);
struct dhcp_packet *new_dhcp_packet PROTO ((const char *, int));
struct protocol *new_protocol PROTO ((const char *, int));
struct lease_state *new_lease_state PROTO ((const char *, int));
struct domain_search_list *new_domain_search_list PROTO ((const char *, int));
struct name_server *new_name_server PROTO ((const char *, int));
void free_name_server PROTO ((struct name_server *, const char *, int));
struct option *new_option PROTO ((const char *, int));
int group_allocate (struct group **, const char *, int);
int group_reference (struct group **, struct group *, const char *, int);
int group_dereference (struct group **, const char *, int);
void free_option PROTO ((struct option *, const char *, int));
struct universe *new_universe PROTO ((const char *, int));
void free_universe PROTO ((struct universe *, const char *, int));
void free_domain_search_list PROTO ((struct domain_search_list *,
const char *, int));
void free_lease_state PROTO ((struct lease_state *, const char *, int));
void free_protocol PROTO ((struct protocol *, const char *, int));
void free_dhcp_packet PROTO ((struct dhcp_packet *, const char *, int));
struct client_lease *new_client_lease PROTO ((const char *, int));
void free_client_lease PROTO ((struct client_lease *, const char *, int));
struct permit *new_permit PROTO ((const char *, int));
void free_permit PROTO ((struct permit *, const char *, int));
pair new_pair PROTO ((const char *, int));
void free_pair PROTO ((pair, const char *, int));
int expression_allocate PROTO ((struct expression **, const char *, int));
int expression_reference PROTO ((struct expression **,
struct expression *, const char *, int));
void free_expression PROTO ((struct expression *, const char *, int));
int binding_value_allocate PROTO ((struct binding_value **,
const char *, int));
int binding_value_reference PROTO ((struct binding_value **,
struct binding_value *,
const char *, int));
void free_binding_value PROTO ((struct binding_value *, const char *, int));
int fundef_allocate PROTO ((struct fundef **, const char *, int));
int fundef_reference PROTO ((struct fundef **,
struct fundef *, const char *, int));
int option_cache_allocate PROTO ((struct option_cache **, const char *, int));
int option_cache_reference PROTO ((struct option_cache **,
struct option_cache *, const char *, int));
int buffer_allocate PROTO ((struct buffer **, unsigned, const char *, int));
int buffer_reference PROTO ((struct buffer **, struct buffer *,
const char *, int));
int buffer_dereference PROTO ((struct buffer **, const char *, int));
int dns_host_entry_allocate PROTO ((struct dns_host_entry **,
const char *, const char *, int));
int dns_host_entry_reference PROTO ((struct dns_host_entry **,
struct dns_host_entry *,
const char *, int));
int dns_host_entry_dereference PROTO ((struct dns_host_entry **,
const char *, int));
int option_state_allocate PROTO ((struct option_state **, const char *, int));
int option_state_reference PROTO ((struct option_state **,
struct option_state *, const char *, int));
int option_state_dereference PROTO ((struct option_state **,
const char *, int));
void data_string_copy PROTO ((struct data_string *,
struct data_string *, const char *, int));
void data_string_forget PROTO ((struct data_string *, const char *, int));
void data_string_truncate PROTO ((struct data_string *, int));
int executable_statement_allocate PROTO ((struct executable_statement **,
const char *, int));
int executable_statement_reference PROTO ((struct executable_statement **,
struct executable_statement *,
const char *, int));
int packet_allocate PROTO ((struct packet **, const char *, int));
int packet_reference PROTO ((struct packet **,
struct packet *, const char *, int));
int packet_dereference PROTO ((struct packet **, const char *, int));
int binding_scope_allocate PROTO ((struct binding_scope **,
const char *, int));
int binding_scope_reference PROTO ((struct binding_scope **,
struct binding_scope *,
const char *, int));
int dns_zone_allocate PROTO ((struct dns_zone **, const char *, int));
int dns_zone_reference PROTO ((struct dns_zone **,
struct dns_zone *, const char *, int));
/* print.c */
char *quotify_string (const char *, const char *, int);
char *quotify_buf (const unsigned char *, unsigned, const char *, int);
char *print_base64 (const unsigned char *, unsigned, const char *, int);
char *print_hw_addr PROTO ((int, int, unsigned char *));
void print_lease PROTO ((struct lease *));
void dump_raw PROTO ((const unsigned char *, unsigned));
void dump_packet_option (struct option_cache *, struct packet *,
struct lease *, struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **, struct universe *, void *);
void dump_packet PROTO ((struct packet *));
void hash_dump PROTO ((struct hash_table *));
char *print_hex_1 PROTO ((unsigned, const u_int8_t *, unsigned));
char *print_hex_2 PROTO ((unsigned, const u_int8_t *, unsigned));
char *print_hex_3 PROTO ((unsigned, const u_int8_t *, unsigned));
char *print_dotted_quads PROTO ((unsigned, const u_int8_t *));
char *print_dec_1 PROTO ((unsigned long));
char *print_dec_2 PROTO ((unsigned long));
void print_expression PROTO ((const char *, struct expression *));
int token_print_indent_concat (FILE *, int, int,
const char *, const char *, ...);
int token_indent_data_string (FILE *, int, int, const char *, const char *,
struct data_string *);
int token_print_indent (FILE *, int, int,
const char *, const char *, const char *);
void indent_spaces (FILE *, int);
#if defined (NSUPDATE)
void print_dns_status (int, ns_updque *);
#endif
/* socket.c */
#if defined (USE_SOCKET_SEND) || defined (USE_SOCKET_RECEIVE) \
|| defined (USE_SOCKET_FALLBACK)
int if_register_socket PROTO ((struct interface_info *));
#endif
#if defined (USE_SOCKET_FALLBACK) && !defined (USE_SOCKET_SEND)
void if_reinitialize_fallback PROTO ((struct interface_info *));
void if_register_fallback PROTO ((struct interface_info *));
ssize_t send_fallback PROTO ((struct interface_info *,
struct packet *, struct dhcp_packet *, size_t,
struct in_addr,
struct sockaddr_in *, struct hardware *));
#endif
#ifdef USE_SOCKET_SEND
void if_reinitialize_send PROTO ((struct interface_info *));
void if_register_send PROTO ((struct interface_info *));
void if_deregister_send PROTO ((struct interface_info *));
ssize_t send_packet PROTO ((struct interface_info *,
struct packet *, struct dhcp_packet *, size_t,
struct in_addr,
struct sockaddr_in *, struct hardware *));
#endif
#ifdef USE_SOCKET_RECEIVE
void if_reinitialize_receive PROTO ((struct interface_info *));
void if_register_receive PROTO ((struct interface_info *));
void if_deregister_receive PROTO ((struct interface_info *));
ssize_t receive_packet PROTO ((struct interface_info *,
unsigned char *, size_t,
struct sockaddr_in *, struct hardware *));
#endif
#if defined (USE_SOCKET_FALLBACK)
isc_result_t fallback_discard PROTO ((omapi_object_t *));
#endif
#if defined (USE_SOCKET_SEND)
int can_unicast_without_arp PROTO ((struct interface_info *));
int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
int supports_multiple_interfaces (struct interface_info *);
void maybe_setup_fallback PROTO ((void));
#endif
/* bpf.c */
#if defined (USE_BPF_SEND) || defined (USE_BPF_RECEIVE)
int if_register_bpf PROTO ( (struct interface_info *));
#endif
#ifdef USE_BPF_SEND
void if_reinitialize_send PROTO ((struct interface_info *));
void if_register_send PROTO ((struct interface_info *));
void if_deregister_send PROTO ((struct interface_info *));
ssize_t send_packet PROTO ((struct interface_info *,
struct packet *, struct dhcp_packet *, size_t,
struct in_addr,
struct sockaddr_in *, struct hardware *));
#endif
#ifdef USE_BPF_RECEIVE
void if_reinitialize_receive PROTO ((struct interface_info *));
void if_register_receive PROTO ((struct interface_info *));
void if_deregister_receive PROTO ((struct interface_info *));
ssize_t receive_packet PROTO ((struct interface_info *,
unsigned char *, size_t,
struct sockaddr_in *, struct hardware *));
#endif
#if defined (USE_BPF_SEND)
int can_unicast_without_arp PROTO ((struct interface_info *));
int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
int supports_multiple_interfaces (struct interface_info *);
void maybe_setup_fallback PROTO ((void));
#endif
/* lpf.c */
#if defined (USE_LPF_SEND) || defined (USE_LPF_RECEIVE)
int if_register_lpf PROTO ( (struct interface_info *));
#endif
#ifdef USE_LPF_SEND
void if_reinitialize_send PROTO ((struct interface_info *));
void if_register_send PROTO ((struct interface_info *));
void if_deregister_send PROTO ((struct interface_info *));
ssize_t send_packet PROTO ((struct interface_info *,
struct packet *, struct dhcp_packet *, size_t,
struct in_addr,
struct sockaddr_in *, struct hardware *));
#endif
#ifdef USE_LPF_RECEIVE
void if_reinitialize_receive PROTO ((struct interface_info *));
void if_register_receive PROTO ((struct interface_info *));
void if_deregister_receive PROTO ((struct interface_info *));
ssize_t receive_packet PROTO ((struct interface_info *,
unsigned char *, size_t,
struct sockaddr_in *, struct hardware *));
#endif
#if defined (USE_LPF_SEND)
int can_unicast_without_arp PROTO ((struct interface_info *));
int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
int supports_multiple_interfaces (struct interface_info *);
void maybe_setup_fallback PROTO ((void));
#endif
/* nit.c */
#if defined (USE_NIT_SEND) || defined (USE_NIT_RECEIVE)
int if_register_nit PROTO ( (struct interface_info *));
#endif
#ifdef USE_NIT_SEND
void if_reinitialize_send PROTO ((struct interface_info *));
void if_register_send PROTO ((struct interface_info *));
void if_deregister_send PROTO ((struct interface_info *));
ssize_t send_packet PROTO ((struct interface_info *,
struct packet *, struct dhcp_packet *, size_t,
struct in_addr,
struct sockaddr_in *, struct hardware *));
#endif
#ifdef USE_NIT_RECEIVE
void if_reinitialize_receive PROTO ((struct interface_info *));
void if_register_receive PROTO ((struct interface_info *));
void if_deregister_receive PROTO ((struct interface_info *));
ssize_t receive_packet PROTO ((struct interface_info *,
unsigned char *, size_t,
struct sockaddr_in *, struct hardware *));
#endif
#if defined (USE_NIT_SEND)
int can_unicast_without_arp PROTO ((struct interface_info *));
int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
int supports_multiple_interfaces (struct interface_info *);
void maybe_setup_fallback PROTO ((void));
#endif
/* dlpi.c */
#if defined (USE_DLPI_SEND) || defined (USE_DLPI_RECEIVE)
int if_register_dlpi PROTO ( (struct interface_info *));
#endif
#ifdef USE_DLPI_SEND
void if_reinitialize_send PROTO ((struct interface_info *));
void if_register_send PROTO ((struct interface_info *));
void if_deregister_send PROTO ((struct interface_info *));
ssize_t send_packet PROTO ((struct interface_info *,
struct packet *, struct dhcp_packet *, size_t,
struct in_addr,
struct sockaddr_in *, struct hardware *));
#endif
#ifdef USE_DLPI_RECEIVE
void if_reinitialize_receive PROTO ((struct interface_info *));
void if_register_receive PROTO ((struct interface_info *));
void if_deregister_receive PROTO ((struct interface_info *));
ssize_t receive_packet PROTO ((struct interface_info *,
unsigned char *, size_t,
struct sockaddr_in *, struct hardware *));
#endif
/* raw.c */
#ifdef USE_RAW_SEND
void if_reinitialize_send PROTO ((struct interface_info *));
void if_register_send PROTO ((struct interface_info *));
void if_deregister_send PROTO ((struct interface_info *));
ssize_t send_packet PROTO ((struct interface_info *,
struct packet *, struct dhcp_packet *, size_t,
struct in_addr,
struct sockaddr_in *, struct hardware *));
int can_unicast_without_arp PROTO ((struct interface_info *));
int can_receive_unicast_unconfigured PROTO ((struct interface_info *));
int supports_multiple_interfaces (struct interface_info *);
void maybe_setup_fallback PROTO ((void));
#endif
/* discover.c */
extern struct interface_info *interfaces,
*dummy_interfaces, *fallback_interface;
extern struct protocol *protocols;
extern int quiet_interface_discovery;
isc_result_t interface_setup (void);
void interface_trace_setup (void);
extern struct in_addr limited_broadcast;
extern struct in_addr local_address;
extern u_int16_t local_port;
extern u_int16_t remote_port;
extern int (*dhcp_interface_setup_hook) (struct interface_info *,
struct iaddr *);
extern int (*dhcp_interface_discovery_hook) (struct interface_info *);
isc_result_t (*dhcp_interface_startup_hook) (struct interface_info *);
extern void (*bootp_packet_handler) PROTO ((struct interface_info *,
struct dhcp_packet *, unsigned,
unsigned int,
struct iaddr, struct hardware *));
extern struct timeout *timeouts;
extern omapi_object_type_t *dhcp_type_interface;
#if defined (TRACING)
trace_type_t *interface_trace;
trace_type_t *inpacket_trace;
trace_type_t *outpacket_trace;
#endif
extern struct interface_info **interface_vector;
extern int interface_count;
extern int interface_max;
isc_result_t interface_initialize (omapi_object_t *, const char *, int);
void discover_interfaces PROTO ((int));
int setup_fallback (struct interface_info **, const char *, int);
int if_readsocket PROTO ((omapi_object_t *));
void reinitialize_interfaces PROTO ((void));
/* dispatch.c */
void set_time (u_int32_t);
struct timeval *process_outstanding_timeouts (struct timeval *);
void dispatch PROTO ((void));
isc_result_t got_one PROTO ((omapi_object_t *));
isc_result_t interface_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *, omapi_typed_data_t *);
isc_result_t interface_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *, omapi_value_t **);
isc_result_t interface_destroy (omapi_object_t *, const char *, int);
isc_result_t interface_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t interface_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
void add_timeout PROTO ((TIME, void (*) PROTO ((void *)), void *,
tvref_t, tvunref_t));
void cancel_timeout PROTO ((void (*) PROTO ((void *)), void *));
void cancel_all_timeouts (void);
void relinquish_timeouts (void);
#if 0
struct protocol *add_protocol PROTO ((const char *, int,
void (*) PROTO ((struct protocol *)),
void *));
void remove_protocol PROTO ((struct protocol *));
#endif
OMAPI_OBJECT_ALLOC_DECL (interface,
struct interface_info, dhcp_type_interface)
/* tables.c */
extern struct universe dhcp_universe;
extern struct option dhcp_options [256];
extern struct universe nwip_universe;
extern struct option nwip_options [256];
extern struct universe fqdn_universe;
extern struct option fqdn_options [256];
extern int dhcp_option_default_priority_list [];
extern int dhcp_option_default_priority_list_count;
extern const char *hardware_types [256];
int universe_count, universe_max;
struct universe **universes;
extern universe_hash_t *universe_hash;
void initialize_common_option_spaces PROTO ((void));
struct universe *config_universe;
/* stables.c */
#if defined (FAILOVER_PROTOCOL)
extern failover_option_t null_failover_option;
extern failover_option_t skip_failover_option;
extern struct failover_option_info ft_options [];
extern u_int32_t fto_allowed [];
extern int ft_sizes [];
extern const char *dhcp_flink_state_names [];
#endif
extern const char *binding_state_names [];
extern struct universe agent_universe;
extern struct option agent_options [256];
extern struct universe server_universe;
extern struct option server_options [256];
extern struct enumeration ddns_styles;
extern struct enumeration syslog_enum;
void initialize_server_option_spaces PROTO ((void));
/* inet.c */
struct iaddr subnet_number PROTO ((struct iaddr, struct iaddr));
struct iaddr ip_addr PROTO ((struct iaddr, struct iaddr, u_int32_t));
struct iaddr broadcast_addr PROTO ((struct iaddr, struct iaddr));
u_int32_t host_addr PROTO ((struct iaddr, struct iaddr));
int addr_eq PROTO ((struct iaddr, struct iaddr));
char *piaddr PROTO ((struct iaddr));
char *piaddrmask (struct iaddr, struct iaddr, const char *, int);
/* dhclient.c */
extern const char *path_dhclient_conf;
extern const char *path_dhclient_db;
extern const char *path_dhclient_pid;
extern char *path_dhclient_script;
extern int interfaces_requested;
extern struct client_config top_level_config;
void dhcpoffer PROTO ((struct packet *));
void dhcpack PROTO ((struct packet *));
void dhcpnak PROTO ((struct packet *));
void send_discover PROTO ((void *));
void send_request PROTO ((void *));
void send_release PROTO ((void *));
void send_decline PROTO ((void *));
void state_reboot PROTO ((void *));
void state_init PROTO ((void *));
void state_selecting PROTO ((void *));
void state_requesting PROTO ((void *));
void state_bound PROTO ((void *));
void state_stop PROTO ((void *));
void state_panic PROTO ((void *));
void bind_lease PROTO ((struct client_state *));
void make_client_options PROTO ((struct client_state *,
struct client_lease *, u_int8_t *,
struct option_cache *, struct iaddr *,
u_int32_t *, struct option_state **));
void make_discover PROTO ((struct client_state *, struct client_lease *));
void make_request PROTO ((struct client_state *, struct client_lease *));
void make_decline PROTO ((struct client_state *, struct client_lease *));
void make_release PROTO ((struct client_state *, struct client_lease *));
void destroy_client_lease PROTO ((struct client_lease *));
void rewrite_client_leases PROTO ((void));
void write_lease_option (struct option_cache *, struct packet *,
struct lease *, struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **, struct universe *, void *);
int write_client_lease PROTO ((struct client_state *,
struct client_lease *, int, int));
int dhcp_option_ev_name (char *, size_t, struct option *);
void script_init PROTO ((struct client_state *, const char *,
struct string_list *));
void client_option_envadd (struct option_cache *, struct packet *,
struct lease *, struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **, struct universe *, void *);
void script_write_params PROTO ((struct client_state *,
const char *, struct client_lease *));
int script_go PROTO ((struct client_state *));
void client_envadd (struct client_state *,
const char *, const char *, const char *, ...)
__attribute__((__format__(__printf__,4,5)));
struct client_lease *packet_to_lease (struct packet *, struct client_state *);
void go_daemon PROTO ((void));
void write_client_pid_file PROTO ((void));
void client_location_changed PROTO ((void));
void do_release PROTO ((struct client_state *));
int dhclient_interface_shutdown_hook (struct interface_info *);
int dhclient_interface_discovery_hook (struct interface_info *);
isc_result_t dhclient_interface_startup_hook (struct interface_info *);
void client_dns_update_timeout (void *cp);
isc_result_t client_dns_update (struct client_state *client, int, int);
/* db.c */
int write_lease PROTO ((struct lease *));
int write_host PROTO ((struct host_decl *));
#if defined (FAILOVER_PROTOCOL)
int write_failover_state (dhcp_failover_state_t *);
#endif
int db_printable PROTO ((const char *));
int db_printable_len PROTO ((const unsigned char *, unsigned));
void write_named_billing_class (const char *, unsigned, struct class *);
void write_billing_classes (void);
int write_billing_class PROTO ((struct class *));
void commit_leases_timeout PROTO ((void *));
int commit_leases PROTO ((void));
void db_startup PROTO ((int));
int new_lease_file PROTO ((void));
int group_writer (struct group_object *);
/* packet.c */
u_int32_t checksum PROTO ((unsigned char *, unsigned, u_int32_t));
u_int32_t wrapsum PROTO ((u_int32_t));
void assemble_hw_header PROTO ((struct interface_info *, unsigned char *,
unsigned *, struct hardware *));
void assemble_udp_ip_header PROTO ((struct interface_info *, unsigned char *,
unsigned *, u_int32_t, u_int32_t,
u_int32_t, unsigned char *, unsigned));
ssize_t decode_hw_header PROTO ((struct interface_info *, unsigned char *,
unsigned, struct hardware *));
ssize_t decode_udp_ip_header PROTO ((struct interface_info *, unsigned char *,
unsigned, struct sockaddr_in *,
unsigned, unsigned *));
/* ethernet.c */
void assemble_ethernet_header PROTO ((struct interface_info *, unsigned char *,
unsigned *, struct hardware *));
ssize_t decode_ethernet_header PROTO ((struct interface_info *,
unsigned char *,
unsigned, struct hardware *));
/* tr.c */
void assemble_tr_header PROTO ((struct interface_info *, unsigned char *,
unsigned *, struct hardware *));
ssize_t decode_tr_header PROTO ((struct interface_info *,
unsigned char *,
unsigned, struct hardware *));
/* dhxpxlt.c */
void convert_statement PROTO ((struct parse *));
void convert_host_statement PROTO ((struct parse *, jrefproto));
void convert_host_name PROTO ((struct parse *, jrefproto));
void convert_class_statement PROTO ((struct parse *, jrefproto, int));
void convert_class_decl PROTO ((struct parse *, jrefproto));
void convert_lease_time PROTO ((struct parse *, jrefproto, char *));
void convert_shared_net_statement PROTO ((struct parse *, jrefproto));
void convert_subnet_statement PROTO ((struct parse *, jrefproto));
void convert_subnet_decl PROTO ((struct parse *, jrefproto));
void convert_host_decl PROTO ((struct parse *, jrefproto));
void convert_hardware_decl PROTO ((struct parse *, jrefproto));
void convert_hardware_addr PROTO ((struct parse *, jrefproto));
void convert_filename_decl PROTO ((struct parse *, jrefproto));
void convert_servername_decl PROTO ((struct parse *, jrefproto));
void convert_ip_addr_or_hostname PROTO ((struct parse *, jrefproto, int));
void convert_fixed_addr_decl PROTO ((struct parse *, jrefproto));
void convert_option_decl PROTO ((struct parse *, jrefproto));
void convert_timestamp PROTO ((struct parse *, jrefproto));
void convert_lease_statement PROTO ((struct parse *, jrefproto));
void convert_address_range PROTO ((struct parse *, jrefproto));
void convert_date PROTO ((struct parse *, jrefproto, char *));
void convert_numeric_aggregate PROTO ((struct parse *, jrefproto, int, int, int, int));
void indent PROTO ((int));
/* route.c */
void add_route_direct PROTO ((struct interface_info *, struct in_addr));
void add_route_net PROTO ((struct interface_info *, struct in_addr,
struct in_addr));
void add_route_default_gateway PROTO ((struct interface_info *,
struct in_addr));
void remove_routes PROTO ((struct in_addr));
void remove_if_route PROTO ((struct interface_info *, struct in_addr));
void remove_all_if_routes PROTO ((struct interface_info *));
void set_netmask PROTO ((struct interface_info *, struct in_addr));
void set_broadcast_addr PROTO ((struct interface_info *, struct in_addr));
void set_ip_address PROTO ((struct interface_info *, struct in_addr));
/* clparse.c */
isc_result_t read_client_conf PROTO ((void));
int read_client_conf_file (const char *,
struct interface_info *, struct client_config *);
void read_client_leases PROTO ((void));
void parse_client_statement PROTO ((struct parse *, struct interface_info *,
struct client_config *));
int parse_X PROTO ((struct parse *, u_int8_t *, unsigned));
void parse_option_list PROTO ((struct parse *, u_int32_t **));
void parse_interface_declaration PROTO ((struct parse *,
struct client_config *, char *));
int interface_or_dummy PROTO ((struct interface_info **, const char *));
void make_client_state PROTO ((struct client_state **));
void make_client_config PROTO ((struct client_state *,
struct client_config *));
void parse_client_lease_statement PROTO ((struct parse *, int));
void parse_client_lease_declaration PROTO ((struct parse *,
struct client_lease *,
struct interface_info **,
struct client_state **));
int parse_option_decl PROTO ((struct option_cache **, struct parse *));
void parse_string_list PROTO ((struct parse *, struct string_list **, int));
int parse_ip_addr PROTO ((struct parse *, struct iaddr *));
void parse_reject_statement PROTO ((struct parse *, struct client_config *));
/* dhcrelay.c */
void relay PROTO ((struct interface_info *, struct dhcp_packet *, unsigned,
unsigned int, struct iaddr, struct hardware *));
int strip_relay_agent_options PROTO ((struct interface_info *,
struct interface_info **,
struct dhcp_packet *, unsigned));
int find_interface_by_agent_option PROTO ((struct dhcp_packet *,
struct interface_info **,
u_int8_t *, int));
int add_relay_agent_options PROTO ((struct interface_info *,
struct dhcp_packet *,
unsigned, struct in_addr));
/* icmp.c */
OMAPI_OBJECT_ALLOC_DECL (icmp_state, struct icmp_state, dhcp_type_icmp)
extern struct icmp_state *icmp_state;
void icmp_startup PROTO ((int, void (*) PROTO ((struct iaddr,
u_int8_t *, int))));
int icmp_readsocket PROTO ((omapi_object_t *));
int icmp_echorequest PROTO ((struct iaddr *));
isc_result_t icmp_echoreply PROTO ((omapi_object_t *));
/* fddi.c */
#if defined (PACKET_ASSEMBLY) || defined (PACKET_DECODING)
void assemble_fddi_header (struct interface_info *,
unsigned char *, unsigned *, struct hardware *);
ssize_t decode_fddi_header (struct interface_info *,
unsigned char *, unsigned, struct hardware *);
#endif /* PACKET_ASSEMBLY || PACKET_DECODING */
/* dns.c */
#if defined (NSUPDATE)
isc_result_t find_tsig_key (ns_tsig_key **, const char *, struct dns_zone *);
void tkey_free (ns_tsig_key **);
#endif
isc_result_t enter_dns_zone (struct dns_zone *);
isc_result_t dns_zone_lookup (struct dns_zone **, const char *);
int dns_zone_dereference PROTO ((struct dns_zone **, const char *, int));
#if defined (NSUPDATE)
isc_result_t find_cached_zone (const char *, ns_class, char *,
size_t, struct in_addr *, int, int *,
struct dns_zone **);
void forget_zone (struct dns_zone **);
void repudiate_zone (struct dns_zone **);
void cache_found_zone (ns_class, char *, struct in_addr *, int);
int get_dhcid (struct data_string *, int, const u_int8_t *, unsigned);
isc_result_t ddns_update_a (struct data_string *, struct iaddr,
struct data_string *, unsigned long, int);
isc_result_t ddns_remove_a (struct data_string *,
struct iaddr, struct data_string *);
#endif /* NSUPDATE */
/* resolv.c */
extern char path_resolv_conf [];
struct name_server *name_servers;
struct domain_search_list *domains;
void read_resolv_conf PROTO ((TIME));
struct name_server *first_name_server PROTO ((void));
/* inet_addr.c */
#ifdef NEED_INET_ATON
int inet_aton PROTO ((const char *, struct in_addr *));
#endif
/* class.c */
extern int have_billing_classes;
struct class unknown_class;
struct class known_class;
struct collection default_collection;
struct collection *collections;
struct executable_statement *default_classification_rules;
void classification_setup PROTO ((void));
void classify_client PROTO ((struct packet *));
int check_collection PROTO ((struct packet *, struct lease *,
struct collection *));
void classify PROTO ((struct packet *, struct class *));
isc_result_t find_class PROTO ((struct class **, const char *,
const char *, int));
int unbill_class PROTO ((struct lease *, struct class *));
int bill_class PROTO ((struct lease *, struct class *));
/* execute.c */
int execute_statements PROTO ((struct binding_value **result,
struct packet *, struct lease *,
struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **,
struct executable_statement *));
void execute_statements_in_scope PROTO ((struct binding_value **result,
struct packet *, struct lease *,
struct client_state *,
struct option_state *,
struct option_state *,
struct binding_scope **,
struct group *, struct group *));
int executable_statement_dereference PROTO ((struct executable_statement **,
const char *, int));
void write_statements (FILE *, struct executable_statement *, int);
int find_matching_case (struct executable_statement **,
struct packet *, struct lease *, struct client_state *,
struct option_state *, struct option_state *,
struct binding_scope **,
struct expression *, struct executable_statement *);
int executable_statement_foreach (struct executable_statement *,
int (*) (struct executable_statement *,
void *, int), void *, int);
/* comapi.c */
extern omapi_object_type_t *dhcp_type_interface;
extern omapi_object_type_t *dhcp_type_group;
extern omapi_object_type_t *dhcp_type_shared_network;
extern omapi_object_type_t *dhcp_type_subnet;
extern omapi_object_type_t *dhcp_type_control;
extern dhcp_control_object_t *dhcp_control_object;
void dhcp_common_objects_setup (void);
isc_result_t dhcp_group_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_group_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_group_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_group_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_group_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_group_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_group_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_group_remove (omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_control_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_control_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_control_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_control_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_control_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_control_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_control_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_control_remove (omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_subnet_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_subnet_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_subnet_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_subnet_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_subnet_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_subnet_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_subnet_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_subnet_remove (omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_shared_network_set_value (omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_shared_network_get_value (omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_shared_network_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_shared_network_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_shared_network_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_shared_network_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_shared_network_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_shared_network_remove (omapi_object_t *,
omapi_object_t *);
/* omapi.c */
extern int (*dhcp_interface_shutdown_hook) (struct interface_info *);
extern omapi_object_type_t *dhcp_type_lease;
extern omapi_object_type_t *dhcp_type_pool;
extern omapi_object_type_t *dhcp_type_class;
#if defined (FAILOVER_PROTOCOL)
extern omapi_object_type_t *dhcp_type_failover_state;
extern omapi_object_type_t *dhcp_type_failover_link;
extern omapi_object_type_t *dhcp_type_failover_listener;
#endif
void dhcp_db_objects_setup (void);
isc_result_t dhcp_lease_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_lease_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_lease_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_lease_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_lease_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_lease_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_lease_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_lease_remove (omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_group_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_group_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_group_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_group_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_group_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_group_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_group_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_group_remove (omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_host_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_host_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_host_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_host_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_host_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_host_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_host_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_host_remove (omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_pool_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_pool_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_pool_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_pool_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_pool_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_pool_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_pool_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_pool_remove (omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_class_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_class_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_class_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_class_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_class_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_class_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_class_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_class_remove (omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_subclass_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_subclass_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_subclass_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_subclass_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_subclass_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_subclass_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_subclass_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_subclass_remove (omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_shared_network_set_value (omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_shared_network_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_shared_network_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_shared_network_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_shared_network_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_shared_network_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_shared_network_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_subnet_set_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_subnet_get_value (omapi_object_t *, omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_subnet_destroy (omapi_object_t *, const char *, int);
isc_result_t dhcp_subnet_signal_handler (omapi_object_t *,
const char *, va_list);
isc_result_t dhcp_subnet_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_subnet_lookup (omapi_object_t **,
omapi_object_t *, omapi_object_t *);
isc_result_t dhcp_subnet_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_interface_set_value (omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t dhcp_interface_get_value (omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **);
isc_result_t dhcp_interface_destroy (omapi_object_t *,
const char *, int);
isc_result_t dhcp_interface_signal_handler (omapi_object_t *,
const char *,
va_list ap);
isc_result_t dhcp_interface_stuff_values (omapi_object_t *,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_interface_lookup (omapi_object_t **,
omapi_object_t *,
omapi_object_t *);
isc_result_t dhcp_interface_create (omapi_object_t **,
omapi_object_t *);
isc_result_t dhcp_interface_remove (omapi_object_t *,
omapi_object_t *);
void interface_stash (struct interface_info *);
void interface_snorf (struct interface_info *, int);
isc_result_t binding_scope_set_value (struct binding_scope *, int,
omapi_data_string_t *,
omapi_typed_data_t *);
isc_result_t binding_scope_get_value (omapi_value_t **,
struct binding_scope *,
omapi_data_string_t *);
isc_result_t binding_scope_stuff_values (omapi_object_t *,
struct binding_scope *);
/* mdb.c */
extern struct subnet *subnets;
extern struct shared_network *shared_networks;
extern host_hash_t *host_hw_addr_hash;
extern host_hash_t *host_uid_hash;
extern host_hash_t *host_name_hash;
extern lease_hash_t *lease_uid_hash;
extern lease_hash_t *lease_ip_addr_hash;
extern lease_hash_t *lease_hw_addr_hash;
extern omapi_object_type_t *dhcp_type_host;
isc_result_t enter_host PROTO ((struct host_decl *, int, int));
isc_result_t delete_host PROTO ((struct host_decl *, int));
int find_hosts_by_haddr PROTO ((struct host_decl **, int,
const unsigned char *, unsigned,
const char *, int));
int find_hosts_by_uid PROTO ((struct host_decl **, const unsigned char *,
unsigned, const char *, int));
int find_host_for_network PROTO ((struct subnet **, struct host_decl **,
struct iaddr *, struct shared_network *));
void new_address_range PROTO ((struct parse *, struct iaddr, struct iaddr,
struct subnet *, struct pool *,
struct lease **));
isc_result_t dhcp_lease_free (omapi_object_t *, const char *, int);
isc_result_t dhcp_lease_get (omapi_object_t **, const char *, int);
int find_grouped_subnet PROTO ((struct subnet **, struct shared_network *,
struct iaddr, const char *, int));
int find_subnet (struct subnet **, struct iaddr, const char *, int);
void enter_shared_network PROTO ((struct shared_network *));
void new_shared_network_interface PROTO ((struct parse *,
struct shared_network *,
const char *));
int subnet_inner_than PROTO ((struct subnet *, struct subnet *, int));
void enter_subnet PROTO ((struct subnet *));
void enter_lease PROTO ((struct lease *));
int supersede_lease PROTO ((struct lease *, struct lease *, int, int, int));
void make_binding_state_transition (struct lease *);
int lease_copy PROTO ((struct lease **, struct lease *, const char *, int));
void release_lease PROTO ((struct lease *, struct packet *));
void abandon_lease PROTO ((struct lease *, const char *));
void dissociate_lease PROTO ((struct lease *));
void pool_timer PROTO ((void *));
int find_lease_by_uid PROTO ((struct lease **, const unsigned char *,
unsigned, const char *, int));
int find_lease_by_hw_addr PROTO ((struct lease **, const unsigned char *,
unsigned, const char *, int));
int find_lease_by_ip_addr PROTO ((struct lease **, struct iaddr,
const char *, int));
void uid_hash_add PROTO ((struct lease *));
void uid_hash_delete PROTO ((struct lease *));
void hw_hash_add PROTO ((struct lease *));
void hw_hash_delete PROTO ((struct lease *));
int write_leases PROTO ((void));
int lease_enqueue (struct lease *);
void lease_instantiate (const unsigned char *, unsigned, struct lease *);
void expire_all_pools PROTO ((void));
void dump_subnets PROTO ((void));
#if defined (DEBUG_MEMORY_LEAKAGE) || \
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
void free_everything (void);
#endif
/* nsupdate.c */
char *ddns_rev_name (struct lease *, struct lease_state *, struct packet *);
char *ddns_fwd_name (struct lease *, struct lease_state *, struct packet *);
int nsupdateA (const char *, const unsigned char *, u_int32_t, int);
int nsupdatePTR (const char *, const unsigned char *, u_int32_t, int);
void nsupdate (struct lease *, struct lease_state *, struct packet *, int);
int updateA (const struct data_string *, const struct data_string *,
unsigned int, struct lease *);
int updatePTR (const struct data_string *, const struct data_string *,
unsigned int, struct lease *);
int deleteA (const struct data_string *, const struct data_string *,
struct lease *);
int deletePTR (const struct data_string *, const struct data_string *,
struct lease *);
/* failover.c */
#if defined (FAILOVER_PROTOCOL)
extern dhcp_failover_state_t *failover_states;
void dhcp_failover_startup PROTO ((void));
int dhcp_failover_write_all_states (void);
isc_result_t enter_failover_peer PROTO ((dhcp_failover_state_t *));
isc_result_t find_failover_peer PROTO ((dhcp_failover_state_t **,
const char *, const char *, int));
isc_result_t dhcp_failover_link_initiate PROTO ((omapi_object_t *));
isc_result_t dhcp_failover_link_signal PROTO ((omapi_object_t *,
const char *, va_list));
isc_result_t dhcp_failover_link_set_value PROTO ((omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *));
isc_result_t dhcp_failover_link_get_value PROTO ((omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **));
isc_result_t dhcp_failover_link_destroy PROTO ((omapi_object_t *,
const char *, int));
isc_result_t dhcp_failover_link_stuff_values PROTO ((omapi_object_t *,
omapi_object_t *,
omapi_object_t *));
isc_result_t dhcp_failover_listen PROTO ((omapi_object_t *));
isc_result_t dhcp_failover_listener_signal PROTO ((omapi_object_t *,
const char *,
va_list));
isc_result_t dhcp_failover_listener_set_value PROTO ((omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *));
isc_result_t dhcp_failover_listener_get_value PROTO ((omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **));
isc_result_t dhcp_failover_listener_destroy PROTO ((omapi_object_t *,
const char *, int));
isc_result_t dhcp_failover_listener_stuff PROTO ((omapi_object_t *,
omapi_object_t *,
omapi_object_t *));
isc_result_t dhcp_failover_register PROTO ((omapi_object_t *));
isc_result_t dhcp_failover_state_signal PROTO ((omapi_object_t *,
const char *, va_list));
isc_result_t dhcp_failover_state_transition (dhcp_failover_state_t *,
const char *);
isc_result_t dhcp_failover_set_service_state (dhcp_failover_state_t *state);
isc_result_t dhcp_failover_set_state (dhcp_failover_state_t *,
enum failover_state);
isc_result_t dhcp_failover_peer_state_changed (dhcp_failover_state_t *,
failover_message_t *);
int dhcp_failover_pool_rebalance (dhcp_failover_state_t *);
int dhcp_failover_pool_check (struct pool *);
int dhcp_failover_state_pool_check (dhcp_failover_state_t *);
void dhcp_failover_timeout (void *);
void dhcp_failover_send_contact (void *);
isc_result_t dhcp_failover_send_state (dhcp_failover_state_t *);
isc_result_t dhcp_failover_send_updates (dhcp_failover_state_t *);
int dhcp_failover_queue_update (struct lease *, int);
int dhcp_failover_send_acks (dhcp_failover_state_t *);
void dhcp_failover_toack_queue_timeout (void *);
int dhcp_failover_queue_ack (dhcp_failover_state_t *, failover_message_t *msg);
void dhcp_failover_ack_queue_remove (dhcp_failover_state_t *, struct lease *);
isc_result_t dhcp_failover_state_set_value PROTO ((omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_typed_data_t *));
void dhcp_failover_keepalive (void *);
void dhcp_failover_reconnect (void *);
void dhcp_failover_startup_timeout (void *);
void dhcp_failover_link_startup_timeout (void *);
void dhcp_failover_listener_restart (void *);
isc_result_t dhcp_failover_state_get_value PROTO ((omapi_object_t *,
omapi_object_t *,
omapi_data_string_t *,
omapi_value_t **));
isc_result_t dhcp_failover_state_destroy PROTO ((omapi_object_t *,
const char *, int));
isc_result_t dhcp_failover_state_stuff PROTO ((omapi_object_t *,
omapi_object_t *,
omapi_object_t *));
isc_result_t dhcp_failover_state_lookup PROTO ((omapi_object_t **,
omapi_object_t *,
omapi_object_t *));
isc_result_t dhcp_failover_state_create PROTO ((omapi_object_t **,
omapi_object_t *));
isc_result_t dhcp_failover_state_remove PROTO ((omapi_object_t *,
omapi_object_t *));
int dhcp_failover_state_match (dhcp_failover_state_t *, u_int8_t *, unsigned);
const char *dhcp_failover_reject_reason_print (int);
const char *dhcp_failover_state_name_print (enum failover_state);
const char *dhcp_failover_message_name (unsigned);
const char *dhcp_failover_option_name (unsigned);
failover_option_t *dhcp_failover_option_printf (unsigned, char *,
unsigned *,
unsigned,
const char *, ...)
__attribute__((__format__(__printf__,5,6)));
failover_option_t *dhcp_failover_make_option (unsigned, char *,
unsigned *, unsigned, ...);
isc_result_t dhcp_failover_put_message (dhcp_failover_link_t *,
omapi_object_t *, int, ...);
isc_result_t dhcp_failover_send_connect PROTO ((omapi_object_t *));
isc_result_t dhcp_failover_send_connectack PROTO ((omapi_object_t *,
dhcp_failover_state_t *,
int, const char *));
isc_result_t dhcp_failover_send_disconnect PROTO ((omapi_object_t *,
int, const char *));
isc_result_t dhcp_failover_send_bind_update (dhcp_failover_state_t *,
struct lease *);
isc_result_t dhcp_failover_send_bind_ack (dhcp_failover_state_t *,
failover_message_t *,
int, const char *);
isc_result_t dhcp_failover_send_poolreq (dhcp_failover_state_t *);
isc_result_t dhcp_failover_send_poolresp (dhcp_failover_state_t *, int);
isc_result_t dhcp_failover_send_update_request (dhcp_failover_state_t *);
isc_result_t dhcp_failover_send_update_request_all (dhcp_failover_state_t *);
isc_result_t dhcp_failover_send_update_done (dhcp_failover_state_t *);
isc_result_t dhcp_failover_process_bind_update (dhcp_failover_state_t *,
failover_message_t *);
isc_result_t dhcp_failover_process_bind_ack (dhcp_failover_state_t *,
failover_message_t *);
isc_result_t dhcp_failover_generate_update_queue (dhcp_failover_state_t *,
int);
isc_result_t dhcp_failover_process_update_request (dhcp_failover_state_t *,
failover_message_t *);
isc_result_t dhcp_failover_process_update_request_all (dhcp_failover_state_t *,
failover_message_t *);
isc_result_t dhcp_failover_process_update_done (dhcp_failover_state_t *,
failover_message_t *);
void dhcp_failover_recover_done (void *);
void failover_print PROTO ((char *, unsigned *, unsigned, const char *));
void update_partner PROTO ((struct lease *));
int load_balance_mine (struct packet *, dhcp_failover_state_t *);
binding_state_t normal_binding_state_transition_check (struct lease *,
dhcp_failover_state_t *,
binding_state_t,
u_int32_t);
binding_state_t
conflict_binding_state_transition_check (struct lease *,
dhcp_failover_state_t *,
binding_state_t, u_int32_t);
int lease_mine_to_reallocate (struct lease *);
OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_state, dhcp_failover_state_t,
dhcp_type_failover_state)
OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_listener, dhcp_failover_listener_t,
dhcp_type_failover_listener)
OMAPI_OBJECT_ALLOC_DECL (dhcp_failover_link, dhcp_failover_link_t,
dhcp_type_failover_link)
#endif /* FAILOVER_PROTOCOL */
const char *binding_state_print (enum failover_state);