dhcrelay.c File Reference

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

Go to the source code of this file.

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	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

#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"

Definition at line 179 of file dhcrelay.c.

Enumeration Type Documentation

anonymous enum

Enumerator
forward_and_append
forward_and_replace
forward_untouched
discard

Definition at line 99 of file dhcrelay.c.

Function Documentation

void bootp

(

struct packet *

packet

)

Definition at line 1877 of file dhcrelay.c.

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

Definition at line 1892 of file dhcrelay.c.

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

Definition at line 1887 of file dhcrelay.c.

void dhcp

(

struct packet *

packet

)

Definition at line 1882 of file dhcrelay.c.

isc_result_t dhcp_set_control_state	(	control_object_state_t	oldstate,
		control_object_state_t	newstate
	)

Definition at line 1907 of file dhcrelay.c.

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

Definition at line 1897 of file dhcrelay.c.

int main	(	int	argc,
		char **	argv
	)

Definition at line 229 of file dhcrelay.c.

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

Definition at line 1902 of file dhcrelay.c.

Variable Documentation

int add_agent_options = 0

Definition at line 72 of file dhcrelay.c.

int add_rfc3527_suboption = 0

Definition at line 73 of file dhcrelay.c.

int agent_option_errors = 0

Definition at line 75 of file dhcrelay.c.

enum { ... } agent_relay_mode

int bad_circuit_id = 0

Definition at line 83 of file dhcrelay.c.

int bogus_agent_drops = 0

Definition at line 61 of file dhcrelay.c.

int bogus_giaddr_drops = 0

Definition at line 65 of file dhcrelay.c.

int client_packet_errors = 0

Definition at line 70 of file dhcrelay.c.

int client_packets_relayed = 0

Definition at line 67 of file dhcrelay.c.

int corrupt_agent_options = 0

Definition at line 79 of file dhcrelay.c.

TIME default_lease_time = 43200

Definition at line 44 of file dhcrelay.c.

int dhcp_max_agent_option_packet_length = DHCP_MTU_MIN

Definition at line 95 of file dhcrelay.c.

int drop_agent_mismatches = 0

Definition at line 77 of file dhcrelay.c.

struct tree_cache* global_options[256]

Definition at line 46 of file dhcrelay.c.

int lexchar

Definition at line 52 of file dhcrelay.c.

int lexline

Definition at line 51 of file dhcrelay.c.

u_int16_t local_port

Definition at line 104 of file dhcrelay.c.

int max_hop_count = 10

Definition at line 87 of file dhcrelay.c.

TIME max_lease_time = 86400

Definition at line 45 of file dhcrelay.c.

int missing_agent_option = 0

Definition at line 81 of file dhcrelay.c.

int missing_circuit_id = 0

Definition at line 85 of file dhcrelay.c.

isc_boolean_t no_dhcrelay_pid = ISC_FALSE

Definition at line 57 of file dhcrelay.c.

isc_boolean_t no_pid_file = ISC_FALSE

Definition at line 59 of file dhcrelay.c.

const char* path_dhcrelay_pid = _PATH_DHCRELAY_PID

Definition at line 56 of file dhcrelay.c.

char* progname

Definition at line 158 of file dhcrelay.c.

u_int16_t remote_port

Definition at line 105 of file dhcrelay.c.

struct option* requested_opts[2]

Definition at line 48 of file dhcrelay.c.

int server_packet_errors = 0

Definition at line 68 of file dhcrelay.c.

int server_packets_relayed = 0

Definition at line 69 of file dhcrelay.c.

struct server_list * servers

char* tlname

Definition at line 54 of file dhcrelay.c.

char* token_line

Definition at line 53 of file dhcrelay.c.

struct interface_info* uplink = NULL

Definition at line 113 of file dhcrelay.c.