/* dhcpd.h Definitions for dhcpd... */ /* * Copyright (c) 2004 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 * * 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 #include #include #include #include #include #else #define fd_set cygwin_fd_set #include #endif #include #include #include #include #include #include #include #include #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 #include #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: */ typedef enum { FTS_FREE = 1, FTS_ACTIVE = 2, FTS_EXPIRED = 3, FTS_RELEASED = 4, FTS_ABANDONED = 5, FTS_RESET = 6, FTS_BACKUP = 7 } 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 __attribute__ ((mode (__byte__))) binding_state; binding_state_t __attribute__ ((mode (__byte__))) next_binding_state; binding_state_t __attribute__ ((mode (__byte__))) 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 omapi_port; /* port on which to accept OMAPI connections, or -1 for no listener. */ int do_forward_update; /* If nonzero, and if we have the information we need, update the A record for the address we get. */ }; /* 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)); 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); char *piaddr1 PROTO ((struct iaddr)); /* 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)); /* 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 *)); /* 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);