dhcpd.h

DHCP服务器源码

/* 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);