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Add relay agent support for Relay Agent Information Option

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This commit is contained in:
Ted Lemon
1998-11-06 00:14:09 +00:00
parent cd038e3ef4
commit c4763f5f3f
1 changed files with 30 additions and 1 deletions
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31
includes/dhcpd.h
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@@ -137,8 +137,17 @@ struct 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;
struct shared_network *shared_network;
struct option_state options;
struct agent_options *agent_options;
#if !defined (PACKET_MAX_CLASSES)
# define PACKET_MAX_CLASSES 5
@@ -196,6 +205,7 @@ struct lease_state {
TIME offered_expiry;
struct option_state options;
struct agent_options *agent_options;
int max_message_size;
u_int32_t expiry, renewal, rebind;
struct data_string filename, server_name;
@@ -484,6 +494,15 @@ struct interface_info {
/* 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. */
int circuit_id_len; /* Length of Circuit ID, if there
is one. */
u_int8_t *remote_id; /* Remote ID associated with this
interface (if any). */
int remote_id_len; /* Length of Remote ID. */
char name [IFNAMSIZ]; /* Its name... */
int rfdesc; /* Its read file descriptor. */
int wfdesc; /* Its write file descriptor, if
@@ -662,7 +681,8 @@ int parse_options PROTO ((struct packet *));
int parse_option_buffer PROTO ((struct packet *, unsigned char *, int));
int parse_agent_information_option PROTO ((struct packet *, int, u_int8_t *));
int cons_options PROTO ((struct packet *, struct dhcp_packet *, int,
struct option_state *, int, int, int));
struct option_state *, struct agent_options *,
int, int, int));
int store_options PROTO ((unsigned char *, int, struct option_state *,
int *, int, int, int, int));
char *pretty_print_option PROTO ((unsigned int,
@@ -1251,6 +1271,15 @@ void parse_reject_statement PROTO ((FILE *, struct client_config *));
/* dhcrelay.c */
void relay PROTO ((struct interface_info *, struct dhcp_packet *, int,
unsigned int, struct iaddr, struct hardware *));
int strip_relay_agent_options PROTO ((struct interface_info *,
struct interface_info **,
struct dhcp_packet *, int));
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 *ip,
struct dhcp_packet *packet,
int length, struct in_addr giaddr));
/* icmp.c */
void icmp_startup PROTO ((int, void (*) PROTO ((struct iaddr,