mirror of
https://gitlab.isc.org/isc-projects/dhcp
synced 2025-08-30 13:57:50 +00:00
New prototypes. Many data structure updates.
This commit is contained in:
Ted Lemon
parent
1d07a807ef
commit
27fe61a702
275
includes/dhcpd.h
275
includes/dhcpd.h
@ -69,6 +69,10 @@
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#include "inet.h"
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#include "sysconf.h"
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#if !defined (OPTION_HASH_SIZE)
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# define OPTION_HASH_SIZE 17
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#endif
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struct string_list {
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struct string_list *next;
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char string [1];
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@ -107,11 +111,18 @@ struct agent_options {
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struct option_tag *first;
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};
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/* The data associated with a given option in an array of options. */
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struct option_cache {
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int refcnt;
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struct option_cache *next;
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struct expression *expression;
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struct option *option;
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struct data_string data;
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};
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struct option_data {
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int len;
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u_int8_t *data;
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struct option_state {
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pair dhcp_hash [OPTION_HASH_SIZE];
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pair server_hash [OPTION_HASH_SIZE];
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struct agent_options *agent_options;
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};
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/* A dhcp packet and the pointers to its option values. */
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@ -127,8 +138,7 @@ struct packet {
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struct hardware *haddr; /* Physical link address
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of local sender (maybe gateway). */
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struct shared_network *shared_network;
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struct option_data options [256];
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struct agent_options *agent_options; /* Received agent options. */
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struct option_state options;
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#if !defined (PACKET_MAX_CLASSES)
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# define PACKET_MAX_CLASSES 5
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@ -170,19 +180,14 @@ struct lease {
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# define BOOTP_LEASE 2
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# define DYNAMIC_BOOTP_OK 4
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# define PERSISTENT_FLAGS (DYNAMIC_BOOTP_OK)
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# define EPHEMERAL_FLAGS (BOOTP_LEASE)
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# define MS_NULL_TERMINATION 8
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# define ABANDONED_LEASE 16
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# define EPHEMERAL_FLAGS (BOOTP_LEASE | MS_NULL_TERMINATION | \
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ABANDONED_LEASE)
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struct lease_state *state;
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};
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struct option_state {
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struct option_cache *dhcp_options [256];
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struct option_cache *server_options [256];
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struct agent_options *agent_options;
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};
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struct lease_state {
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struct lease_state *next;
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@ -202,6 +207,7 @@ struct lease_state {
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struct in_addr giaddr;
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u_int8_t hops;
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u_int8_t offer;
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struct iaddr from;
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};
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#define ROOT_GROUP 0
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@ -251,6 +257,65 @@ struct lease_state {
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# define DEFAULT_MAX_LEASE_TIME 86400
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#endif
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/* Client option names */
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#define CL_TIMEOUT 1
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#define CL_SELECT_INTERVAL 2
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#define CL_REBOOT_TIMEOUT 3
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#define CL_RETRY_INTERVAL 4
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#define CL_BACKOFF_CUTOFF 5
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#define CL_INITIAL_INTERVAL 6
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#define CL_BOOTP_POLICY 7
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#define CL_SCRIPT_NAME 8
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#define CL_REQUESTED_OPTIONS 9
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#define CL_REQUESTED_LEASE_TIME 10
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#define CL_SEND_OPTIONS 11
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#define CL_MEDIA 12
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#define CL_REJECT_LIST 13
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#ifndef CL_DEFAULT_TIMEOUT
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# define CL_DEFAULT_TIMEOUT 60
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#endif
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#ifndef CL_DEFAULT_SELECT_INTERVAL
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# define CL_DEFAULT_SELECT_INTERVAL 0
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#endif
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#ifndef CL_DEFAULT_REBOOT_TIMEOUT
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# define CL_DEFAULT_REBOOT_TIMEOUT 10
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#endif
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#ifndef CL_DEFAULT_RETRY_INTERVAL
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# define CL_DEFAULT_RETRY_INTERVAL 300
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#endif
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#ifndef CL_DEFAULT_BACKOFF_CUTOFF
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# define CL_DEFAULT_BACKOFF_CUTOFF 120
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#endif
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#ifndef CL_DEFAULT_INITIAL_INTERVAL
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# define CL_DEFAULT_INITIAL_INTERVAL 10
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#endif
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#ifndef CL_DEFAULT_BOOTP_POLICY
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# define CL_DEFAULT_BOOTP_POLICY ACCEPT
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#endif
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#ifndef CL_DEFAULT_SCRIPT_NAME
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# define CL_DEFAULT_SCRIPT_NAME "/etc/dhclient-script"
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#endif
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#ifndef CL_DEFAULT_REQUESTED_OPTIONS
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# define CL_DEFAULT_REQUESTED_OPTIONS \
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{ DHO_SUBNET_MASK, \
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DHO_BROADCAST_ADDRESS, \
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DHO_TIME_OFFSET, \
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DHO_ROUTERS, \
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DHO_DOMAIN_NAME, \
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DHO_DOMAIN_NAME_SERVERS, \
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DHO_HOST_NAME }
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#endif
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/* Group of declarations that share common parameters. */
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struct group {
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struct group *next;
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@ -327,7 +392,7 @@ struct client_lease {
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unsigned int is_static : 1; /* If set, lease is from config file. */
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unsigned int is_bootp: 1; /* If set, lease was aquired with BOOTP. */
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struct option_data options [256]; /* Options supplied with lease. */
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struct option_state options; /* Options supplied with lease. */
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};
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/* Possible states in which the client can be. */
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@ -343,19 +408,20 @@ enum dhcp_state {
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/* Configuration information from the config file... */
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struct client_config {
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struct option_data defaults [256]; /* Default values for options. */
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enum {
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ACTION_DEFAULT, /* Use server value if present,
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otherwise default. */
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ACTION_SUPERSEDE, /* Always use default. */
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ACTION_PREPEND, /* Prepend default to server. */
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ACTION_APPEND, /* Append default to server. */
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} default_actions [256];
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/*
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* When a message has been received, run these statements
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* over it.
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*/
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struct executable_statement *on_receipt;
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/*
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* When a message is sent, run these statements.
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*/
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struct executable_statement *on_transmission;
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u_int32_t *required_options; /* Options server must supply. */
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u_int32_t *requested_options; /* Options to request from server. */
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struct option_data send_options [256]; /* Send these to server. */
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u_int8_t required_options [256]; /* Options server must supply. */
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u_int8_t requested_options [256]; /* Options to request from server. */
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int requested_option_count; /* Number of requested options. */
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TIME timeout; /* Start to panic if we don't get a
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lease in this time period when
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SELECTING. */
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@ -374,6 +440,8 @@ struct client_config {
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TIME backoff_cutoff; /* When doing exponential backoff,
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never back off to an interval
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longer than this amount. */
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u_int32_t requested_lease; /* Requested lease time, if user
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doesn't configure one. */
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struct string_list *media; /* Possible network media values. */
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char *script_name; /* Name of config script. */
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enum { IGNORE, ACCEPT, PREFER } bootp_policy;
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@ -382,6 +450,8 @@ struct client_config {
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struct string_list *medium; /* Current network medium. */
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struct iaddrlist *reject_list; /* Servers to reject. */
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struct option_state send_options; /* Options to send. */
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};
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/* Per-interface state used in the dhcp client... */
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@ -398,13 +468,12 @@ struct client_state {
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TIME first_sending; /* When was first copy sent? */
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TIME interval; /* What's the current resend interval? */
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struct string_list *medium; /* Last media type tried. */
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struct dhcp_packet packet; /* Outgoing DHCP packet. */
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int packet_length; /* Actual length of generated packet. */
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struct iaddr requested_address; /* Address we would like to get. */
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struct client_config *config; /* Information from config file. */
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struct client_config *config; /* Client configuration. */
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};
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/* Information about each network interface. */
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@ -589,25 +658,32 @@ typedef unsigned char option_mask [16];
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/* options.c */
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void parse_options PROTO ((struct packet *));
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void parse_option_buffer PROTO ((struct packet *, unsigned char *, int));
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int parse_options PROTO ((struct packet *));
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int parse_option_buffer PROTO ((struct packet *, unsigned char *, int));
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int parse_agent_information_option PROTO ((struct packet *, int, u_int8_t *));
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int cons_options PROTO ((struct packet *, struct dhcp_packet *, int,
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struct option_state *, int, int, int));
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int store_options PROTO ((unsigned char *, int, struct option_cache **,
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unsigned char *, int, int, int, int));
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int store_options PROTO ((unsigned char *, int, struct option_state *,
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int *, int, int, int, int));
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char *pretty_print_option PROTO ((unsigned int,
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unsigned char *, int, int, int));
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void do_packet PROTO ((struct interface_info *,
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struct dhcp_packet *, int,
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unsigned int, struct iaddr, struct hardware *));
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struct data_string dhcp_option_lookup PROTO ((struct packet *, int));
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struct data_string agent_suboption_lookup PROTO ((struct packet *, int));
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struct data_string server_option_lookup PROTO ((struct packet *, int));
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int dhcp_option_lookup PROTO ((struct data_string *,
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struct option_state *, int));
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int agent_suboption_lookup PROTO ((struct data_string *,
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struct option_state *, int));
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int server_option_lookup PROTO ((struct data_string *,
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struct option_state *, int));
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void dhcp_option_set PROTO ((struct option_state *, struct option_cache *,
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enum statement_op));
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void server_option_set PROTO ((struct option_state *, struct option_cache *,
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enum statement_op));
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struct option_cache *lookup_option PROTO ((pair *, int));
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void save_option PROTO ((pair *, struct option_cache *));
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void delete_option PROTO ((pair *, int));
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int option_cache_dereference PROTO ((struct option_cache **, char *));
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/* errwarn.c */
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extern int warnings_occurred;
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@ -656,7 +732,7 @@ int readconf PROTO ((void));
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void read_leases PROTO ((void));
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int parse_statement PROTO ((FILE *,
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struct group *, int, struct host_decl *, int));
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struct option_cache *parse_allow_deny PROTO ((FILE *, int));
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int parse_allow_deny PROTO ((struct option_cache **, FILE *, int));
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int parse_boolean PROTO ((FILE *));
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int parse_lbrace PROTO ((FILE *));
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void parse_host_declaration PROTO ((FILE *, struct group *));
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@ -664,7 +740,7 @@ void parse_class_declaration PROTO ((FILE *, struct group *, int));
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void parse_shared_net_declaration PROTO ((FILE *, struct group *));
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void parse_subnet_declaration PROTO ((FILE *, struct shared_network *));
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void parse_group_declaration PROTO ((FILE *, struct group *));
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struct option_cache *parse_fixed_addr_param PROTO ((FILE *));
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int parse_fixed_addr_param PROTO ((struct option_cache **, FILE *));
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TIME parse_timestamp PROTO ((FILE *));
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struct lease *parse_lease_declaration PROTO ((FILE *));
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void parse_address_range PROTO ((FILE *, struct subnet *));
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@ -674,7 +750,7 @@ void skip_to_semi PROTO ((FILE *));
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int parse_semi PROTO ((FILE *));
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char *parse_string PROTO ((FILE *));
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char *parse_host_name PROTO ((FILE *));
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struct expression *parse_ip_addr_or_hostname PROTO ((FILE *, int));
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int parse_ip_addr_or_hostname PROTO ((struct expression **, FILE *, int));
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void parse_hardware_param PROTO ((FILE *, struct hardware *));
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void parse_lease_time PROTO ((FILE *, TIME *));
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unsigned char *parse_numeric_aggregate PROTO ((FILE *,
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@ -683,40 +759,72 @@ unsigned char *parse_numeric_aggregate PROTO ((FILE *,
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void convert_num PROTO ((unsigned char *, char *, int, int));
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TIME parse_date PROTO ((FILE *));
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struct option *parse_option_name PROTO ((FILE *));
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unsigned char *parse_cshl PROTO ((FILE *, int *));
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int parse_cshl PROTO ((struct data_string *, FILE *));
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struct executable_statement *parse_executable_statement PROTO ((FILE *,
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int *));
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struct executable_statement *parse_executable_statements PROTO ((FILE *,
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int *));
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struct executable_statement *parse_if_statement PROTO ((FILE *, int *));
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struct expression *parse_boolean_expression PROTO ((FILE *, int *));
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struct expression *parse_data_expression PROTO ((FILE *, int *));
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struct expression *parse_numeric_expression PROTO ((FILE *, int *));
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int parse_boolean_expression PROTO ((struct expression **, FILE *, int *));
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int parse_data_expression PROTO ((struct expression **, FILE *, int *));
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int parse_numeric_expression PROTO ((struct expression **, FILE *, int *));
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int parse_non_binary PROTO ((struct expression **, FILE *, int *,
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enum expression_context));
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int parse_expression PROTO ((struct expression **, FILE *, int *,
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enum expression_context,
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struct expression **, enum expr_op));
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struct executable_statement *parse_option_statement PROTO ((FILE *, int,
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struct option *,
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enum statement_op)
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);
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struct expression *parse_option_token PROTO ((FILE *, char *,
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struct expression *, int, int));
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int parse_option_token PROTO ((struct expression **, FILE *, char *,
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struct expression *, int, int));
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/* tree.c */
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pair cons PROTO ((caddr_t, pair));
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struct expression *make_host_lookup PROTO ((char *));
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struct dns_host_entry *enter_dns_host PROTO ((char *));
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struct expression *make_const_data PROTO ((unsigned char *, int, int, int));
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struct expression *make_concat PROTO ((struct expression *,
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struct expression *));
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struct expression *make_substring PROTO ((struct expression *,
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struct expression *,
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struct expression *));
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struct expression *make_limit PROTO ((struct expression *, int));
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struct option_cache *option_cache PROTO ((struct expression *,
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struct option *));
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int evaluate_boolean_expression PROTO ((struct packet *, struct expression *));
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struct data_string evaluate_data_expression PROTO ((struct packet *,
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struct expression *));
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unsigned long evaluate_numeric_expression PROTO ((struct packet *,
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struct expression *));
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int make_const_option_cache PROTO ((struct option_cache **, struct buffer **,
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u_int8_t *, int, struct option *, char *));
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int make_host_lookup PROTO ((struct expression **, char *));
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int enter_dns_host PROTO ((struct dns_host_entry **, char *));
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int make_const_data PROTO ((struct expression **,
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unsigned char *, int, int, int));
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int make_concat PROTO ((struct expression **,
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struct expression *, struct expression *));
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int make_substring PROTO ((struct expression **, struct expression *,
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struct expression *, struct expression *));
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int make_limit PROTO ((struct expression **, struct expression *, int));
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int option_cache PROTO ((struct option_cache **, struct data_string *,
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struct expression *, struct option *));
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int evaluate_boolean_expression PROTO ((int *,
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struct packet *, struct option_state *,
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struct expression *));
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int evaluate_data_expression PROTO ((struct data_string *,
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struct packet *, struct option_state *,
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struct expression *));
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int evaluate_numeric_expression PROTO
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((unsigned long *, struct packet *,
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struct option_state *, struct expression *));
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int evaluate_option_cache PROTO ((struct data_string *,
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struct packet *,
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struct option_state *,
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struct option_cache *));
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int evaluate_boolean_option_cache PROTO ((struct packet *,
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struct option_state *,
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struct option_cache *));
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int evaluate_boolean_expression_result PROTO ((struct packet *,
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struct option_state *,
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struct expression *));
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void expression_dereference PROTO ((struct expression **, char *));
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void option_state_dereference PROTO ((struct option_state *));
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void data_string_copy PROTO ((struct data_string *,
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struct data_string *, char *));
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void data_string_forget PROTO ((struct data_string *, char *));
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void data_string_truncate PROTO ((struct data_string *, int));
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int is_boolean_expression PROTO ((struct expression *));
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int is_data_expression PROTO ((struct expression *));
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int is_numeric_expression PROTO ((struct expression *));
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int op_precedence PROTO ((enum expr_op, enum expr_op));
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enum expression_context op_context PROTO ((enum expr_op));
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/* dhcp.c */
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extern int outstanding_pings;
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@ -774,8 +882,6 @@ VOIDPTR dmalloc PROTO ((int, char *));
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void dfree PROTO ((VOIDPTR, char *));
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struct packet *new_packet PROTO ((char *));
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struct dhcp_packet *new_dhcp_packet PROTO ((char *));
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struct expression *new_expression PROTO ((char *));
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struct option_cache *new_option_cache PROTO ((char *));
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struct hash_table *new_hash_table PROTO ((int, char *));
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struct hash_bucket *new_hash_bucket PROTO ((char *));
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struct lease *new_lease PROTO ((char *));
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@ -799,10 +905,26 @@ void free_subnet PROTO ((struct subnet *, char *));
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void free_lease PROTO ((struct lease *, char *));
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void free_hash_bucket PROTO ((struct hash_bucket *, char *));
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void free_hash_table PROTO ((struct hash_table *, char *));
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void free_expression PROTO ((struct expression *, char *));
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void free_packet PROTO ((struct packet *, char *));
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void free_dhcp_packet PROTO ((struct dhcp_packet *, char *));
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void free_option_cache PROTO ((struct option_cache *, char *));
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struct client_lease *new_client_lease PROTO ((char *));
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void free_client_lease PROTO ((struct client_lease *, char *));
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pair new_pair PROTO ((char *));
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void free_pair PROTO ((pair, char *));
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int expression_allocate PROTO ((struct expression **, char *));
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int expression_reference PROTO ((struct expression **,
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struct expression *, char *));
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void free_expression PROTO ((struct expression *, char *));
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int option_cache_allocate PROTO ((struct option_cache **, char *));
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int option_cache_reference PROTO ((struct option_cache **,
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struct option_cache *, char *));
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int buffer_allocate PROTO ((struct buffer **, int, char *));
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int buffer_reference PROTO ((struct buffer **, struct buffer *, char *));
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int buffer_dereference PROTO ((struct buffer **, char *));
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int dns_host_entry_allocate PROTO ((struct dns_host_entry **, char *));
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int dns_host_entry_reference PROTO ((struct dns_host_entry **,
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struct dns_host_entry *, char *));
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int dns_host_entry_dereference PROTO ((struct dns_host_entry **, char *));
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/* print.c */
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char *print_hw_addr PROTO ((int, int, unsigned char *));
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@ -810,6 +932,13 @@ void print_lease PROTO ((struct lease *));
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void dump_raw PROTO ((unsigned char *, int));
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void dump_packet PROTO ((struct packet *));
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void hash_dump PROTO ((struct hash_table *));
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char *print_hex_1 PROTO ((int, u_int8_t *, int));
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char *print_hex_2 PROTO ((int, u_int8_t *, int));
|
||||
char *print_hex_3 PROTO ((int, u_int8_t *, int));
|
||||
char *print_dotted_quads PROTO ((int, u_int8_t *));
|
||||
char *print_dec_1 PROTO ((int));
|
||||
char *print_dec_2 PROTO ((int));
|
||||
void print_expression PROTO ((char *, struct expression *));
|
||||
|
||||
/* socket.c */
|
||||
#if defined (USE_SOCKET_SEND) || defined (USE_SOCKET_RECEIVE) \
|
||||
@ -963,8 +1092,8 @@ extern struct universe agent_universe;
|
||||
extern struct option agent_options [256];
|
||||
extern struct universe server_universe;
|
||||
extern struct option server_options [256];
|
||||
extern unsigned char dhcp_option_default_priority_list [];
|
||||
extern int sizeof_dhcp_option_default_priority_list;
|
||||
extern int dhcp_option_default_priority_list [];
|
||||
extern int dhcp_option_default_priority_list_count;
|
||||
extern char *hardware_types [256];
|
||||
extern struct hash_table universe_hash;
|
||||
void initialize_universes PROTO ((void));
|
||||
@ -1013,12 +1142,17 @@ void state_panic PROTO ((void *));
|
||||
|
||||
void bind_lease PROTO ((struct interface_info *));
|
||||
|
||||
void make_client_options PROTO ((struct interface_info *,
|
||||
struct client_lease *, u_int8_t *,
|
||||
struct option_cache *, struct iaddr *,
|
||||
u_int32_t *, struct executable_statement *,
|
||||
struct option_state *));
|
||||
void make_discover PROTO ((struct interface_info *, struct client_lease *));
|
||||
void make_request PROTO ((struct interface_info *, struct client_lease *));
|
||||
void make_decline PROTO ((struct interface_info *, struct client_lease *));
|
||||
void make_release PROTO ((struct interface_info *, struct client_lease *));
|
||||
|
||||
void free_client_lease PROTO ((struct client_lease *));
|
||||
void destroy_client_lease PROTO ((struct client_lease *));
|
||||
void rewrite_client_leases PROTO ((void));
|
||||
void write_client_lease PROTO ((struct interface_info *,
|
||||
struct client_lease *, int));
|
||||
@ -1100,7 +1234,7 @@ void read_client_leases PROTO ((void));
|
||||
void parse_client_statement PROTO ((FILE *, struct interface_info *,
|
||||
struct client_config *));
|
||||
int parse_X PROTO ((FILE *, u_int8_t *, int));
|
||||
int parse_option_list PROTO ((FILE *, u_int8_t *));
|
||||
void parse_option_list PROTO ((FILE *, u_int32_t **));
|
||||
void parse_interface_declaration PROTO ((FILE *, struct client_config *));
|
||||
struct interface_info *interface_or_dummy PROTO ((char *));
|
||||
void make_client_state PROTO ((struct interface_info *));
|
||||
@ -1109,7 +1243,7 @@ void make_client_config PROTO ((struct interface_info *,
|
||||
void parse_client_lease_statement PROTO ((FILE *, int));
|
||||
void parse_client_lease_declaration PROTO ((FILE *, struct client_lease *,
|
||||
struct interface_info **));
|
||||
struct option *parse_option_decl PROTO ((FILE *, struct option_data *));
|
||||
int parse_option_decl PROTO ((struct option_cache **, FILE *));
|
||||
void parse_string_list PROTO ((FILE *, struct string_list **, int));
|
||||
int parse_ip_addr PROTO ((FILE *, struct iaddr *));
|
||||
void parse_reject_statement PROTO ((FILE *, struct client_config *));
|
||||
@ -1144,7 +1278,7 @@ struct name_server *first_name_server PROTO ((void));
|
||||
|
||||
/* inet_addr.c */
|
||||
#ifdef NEED_INET_ATON
|
||||
int inet_aton PROTO ((char *, struct in_addr *));
|
||||
int inet_aton PROTO ((const char *, struct in_addr *));
|
||||
#endif
|
||||
|
||||
/* sysconf.c */
|
||||
@ -1176,6 +1310,7 @@ struct class *find_class PROTO ((char *));
|
||||
|
||||
/* execute.c */
|
||||
int execute_statements PROTO ((struct packet *, struct option_state *,
|
||||
struct option_state *,
|
||||
struct executable_statement *));
|
||||
void execute_statements_in_scope PROTO ((struct packet *,
|
||||
struct option_state *,
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user