#include "dhcpd.h"
#include <syslog.h>
#include <signal.h>
#include <sys/time.h>
#include <isc/file.h>

Data Structures
struct	server_list

Macros
#define	DHCRELAY_USAGE

Enumerations
enum	{ forward_and_append , forward_and_replace , forward_untouched , discard }

Functions
int	main (int argc, char **argv)

void	bootp (struct packet *packet)

void	dhcp (struct packet *packet)

void	classify (struct packet p, struct class c)

int	check_collection (struct packet p, struct lease l, struct collection *c)

isc_result_t	find_class (struct class *class, const char c1, const char *c2, int i)

int	parse_allow_deny (struct option_cache *oc, struct parse p, int i)

isc_result_t	dhcp_set_control_state (control_object_state_t oldstate, control_object_state_t newstate)

Variables
TIME	default_lease_time = 43200

TIME	max_lease_time = 86400

struct tree_cache *	global_options [256]

struct option *	requested_opts [2]

int	lexline

int	lexchar

char *	token_line

char *	tlname

const char *	path_dhcrelay_pid = _PATH_DHCRELAY_PID

isc_boolean_t	no_dhcrelay_pid = ISC_FALSE

isc_boolean_t	no_pid_file = ISC_FALSE

int	bogus_agent_drops = 0

int	bogus_giaddr_drops = 0

int	client_packets_relayed = 0

int	server_packet_errors = 0

int	server_packets_relayed = 0

int	client_packet_errors = 0

int	add_agent_options = 0

int	add_rfc3527_suboption = 0

int	agent_option_errors = 0

int	drop_agent_mismatches = 0

int	corrupt_agent_options = 0

int	missing_agent_option = 0

int	bad_circuit_id = 0

int	missing_circuit_id = 0

int	max_hop_count = 10

int	no_daemon = 0

int	dfd [2] = { -1, -1 }

int	dhcp_max_agent_option_packet_length = DHCP_MTU_MIN

enum { ... }	agent_relay_mode = forward_and_replace

u_int16_t	local_port

u_int16_t	remote_port

struct server_list *	servers

struct interface_info *	uplink = NULL

char *	progname

Macro Definition Documentation

◆ DHCRELAY_USAGE

#define DHCRELAY_USAGE

Value:

"Usage: %s [-d] [-q] [-a] [-D] [-A <length>] [-c <hops>] [-p <port>]\n" \
"                [-pf <pid-file>] [--no-pid]\n" \
"                [-m append|replace|forward|discard]\n" \
"                [-i interface0 [ ... -i interfaceN]\n" \
"                [-iu interface0 [ ... -iu interfaceN]\n" \
"                [-id interface0 [ ... -id interfaceN]\n" \
"                [-U interface]\n" \
"                server0 [ ... serverN]\n\n" \
"       %s {--version|--help|-h}"

Definition at line 219 of file dhcrelay.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
forward_and_append
forward_and_replace
forward_untouched
discard

Definition at line 102 of file dhcrelay.c.

Function Documentation

◆ bootp()

void bootp ( struct packet * packet )

Definition at line 2076 of file dhcrelay.c.

◆ check_collection()

int check_collection	(	struct packet *	p,
		struct lease *	l,
		struct collection *	c
	)

Definition at line 2098 of file dhcrelay.c.

◆ classify()

void classify	(	struct packet *	p,
		struct class *	c
	)

Definition at line 2093 of file dhcrelay.c.

◆ dhcp()

void dhcp ( struct packet * packet )

Definition at line 2081 of file dhcrelay.c.

◆ dhcp_set_control_state()

isc_result_t dhcp_set_control_state	(	control_object_state_t	oldstate,
		control_object_state_t	newstate
	)

Definition at line 2113 of file dhcrelay.c.

◆ find_class()

isc_result_t find_class	(	struct class **	class,
		const char *	c1,
		const char *	c2,
		int	i
	)

Definition at line 2103 of file dhcrelay.c.

◆ main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 282 of file dhcrelay.c.

◆ parse_allow_deny()

int parse_allow_deny	(	struct option_cache **	oc,
		struct parse *	p,
		int	i
	)

Definition at line 2108 of file dhcrelay.c.

Variable Documentation

◆ add_agent_options

int add_agent_options = 0

Definition at line 72 of file dhcrelay.c.

◆ add_rfc3527_suboption

int add_rfc3527_suboption = 0

Definition at line 73 of file dhcrelay.c.

◆ agent_option_errors

int agent_option_errors = 0

Definition at line 75 of file dhcrelay.c.

◆

enum { ... } agent_relay_mode

◆ bad_circuit_id

int bad_circuit_id = 0

Definition at line 83 of file dhcrelay.c.

◆ bogus_agent_drops

int bogus_agent_drops = 0

Definition at line 61 of file dhcrelay.c.

◆ bogus_giaddr_drops

int bogus_giaddr_drops = 0

Definition at line 65 of file dhcrelay.c.

◆ client_packet_errors

int client_packet_errors = 0

Definition at line 70 of file dhcrelay.c.

◆ client_packets_relayed

int client_packets_relayed = 0

Definition at line 67 of file dhcrelay.c.

◆ corrupt_agent_options

int corrupt_agent_options = 0

Definition at line 79 of file dhcrelay.c.

◆ default_lease_time

TIME default_lease_time = 43200

Definition at line 44 of file dhcrelay.c.

◆ dfd

int dfd[2] = { -1, -1 }

Definition at line 90 of file dhcrelay.c.

◆ dhcp_max_agent_option_packet_length

int dhcp_max_agent_option_packet_length = DHCP_MTU_MIN

Definition at line 98 of file dhcrelay.c.

◆ drop_agent_mismatches

int drop_agent_mismatches = 0

Definition at line 77 of file dhcrelay.c.

◆ global_options

struct tree_cache* global_options[256]

Definition at line 46 of file dhcrelay.c.

◆ lexchar

int lexchar

Definition at line 52 of file dhcrelay.c.

◆ lexline

int lexline

Definition at line 51 of file dhcrelay.c.

◆ local_port

u_int16_t local_port

Definition at line 107 of file dhcrelay.c.

◆ max_hop_count

int max_hop_count = 10

Definition at line 87 of file dhcrelay.c.

◆ max_lease_time

TIME max_lease_time = 86400

Definition at line 45 of file dhcrelay.c.

◆ missing_agent_option

int missing_agent_option = 0

Definition at line 81 of file dhcrelay.c.

◆ missing_circuit_id

int missing_circuit_id = 0

Definition at line 85 of file dhcrelay.c.

◆ no_daemon

int no_daemon = 0

Definition at line 89 of file dhcrelay.c.

◆ no_dhcrelay_pid

isc_boolean_t no_dhcrelay_pid = ISC_FALSE

Definition at line 57 of file dhcrelay.c.

◆ no_pid_file

isc_boolean_t no_pid_file = ISC_FALSE

Definition at line 59 of file dhcrelay.c.

◆ path_dhcrelay_pid

const char* path_dhcrelay_pid = _PATH_DHCRELAY_PID

Definition at line 56 of file dhcrelay.c.

◆ progname

char* progname

Definition at line 161 of file dhcrelay.c.

◆ remote_port

u_int16_t remote_port

Definition at line 108 of file dhcrelay.c.

◆ requested_opts

struct option* requested_opts[2]

Definition at line 48 of file dhcrelay.c.

◆ server_packet_errors

int server_packet_errors = 0

Definition at line 68 of file dhcrelay.c.

◆ server_packets_relayed

int server_packets_relayed = 0

Definition at line 69 of file dhcrelay.c.

◆ servers

struct server_list * servers

◆ tlname

char* tlname

Definition at line 54 of file dhcrelay.c.

◆ token_line

char* token_line

Definition at line 53 of file dhcrelay.c.

◆ uplink

struct interface_info* uplink = NULL

Definition at line 116 of file dhcrelay.c.

Data Structures

Macros

Enumerations

Functions

Variables