clinat.h File Reference

#include "buffer.h"

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Data Structures
struct	client_nat_entry
struct	client_nat_option_list

Macros
#define	MAX_CLIENT_NAT   64
#define	CN_OUTGOING   0
#define	CN_INCOMING   1
#define	CN_SNAT   0
#define	CN_DNAT   1

Functions
struct client_nat_option_list *	new_client_nat_list (struct gc_arena *gc)
struct client_nat_option_list *	clone_client_nat_option_list (const struct client_nat_option_list *src, struct gc_arena *gc)
void	copy_client_nat_option_list (struct client_nat_option_list *dest, const struct client_nat_option_list *src)
void	print_client_nat_list (const struct client_nat_option_list *list, int msglevel)
void	add_client_nat_to_option_list (struct client_nat_option_list *dest, const char *type, const char *network, const char *netmask, const char *foreign_network, int msglevel)
void	client_nat_transform (const struct client_nat_option_list *list, struct buffer *ipbuf, const int direction)

Macro Definition Documentation

CN_DNAT

#define CN_DNAT   1

Definition at line 36 of file clinat.h.

CN_INCOMING

#define CN_INCOMING   1

Definition at line 32 of file clinat.h.

CN_OUTGOING

#define CN_OUTGOING   0

Definition at line 31 of file clinat.h.

CN_SNAT

#define CN_SNAT   0

Definition at line 35 of file clinat.h.

MAX_CLIENT_NAT

#define MAX_CLIENT_NAT   64

Definition at line 29 of file clinat.h.

Function Documentation

add_client_nat_to_option_list()

void add_client_nat_to_option_list	(	struct client_nat_option_list *	dest,
		const char *	type,
		const char *	network,
		const char *	netmask,
		const char *	foreign_network,
		int	msglevel
	)

Definition at line 106 of file clinat.c.

References add_entry(), CN_DNAT, CN_SNAT, client_nat_entry::foreign_network, getaddr(), msg, client_nat_entry::netmask, client_nat_entry::network, and client_nat_entry::type.

Referenced by add_option().

client_nat_transform()

void client_nat_transform	(	const struct client_nat_option_list *	list,
		struct buffer *	ipbuf,
		const int	direction
	)

Definition at line 193 of file clinat.c.

References ADD_CHECKSUM_32, ADJUST_CHECKSUM, BLEN, BPTR, openvpn_iphdr::check, openvpn_udphdr::check, openvpn_tcphdr::check, check_debug_level(), D_CLIENT_NAT, openvpn_iphdr::daddr, client_nat_option_list::entries, client_nat_entry::foreign_network, ip_tcp_udp_hdr::ip, client_nat_option_list::n, client_nat_entry::netmask, client_nat_entry::network, OPENVPN_IPPROTO_TCP, OPENVPN_IPPROTO_UDP, print_pkt(), openvpn_iphdr::protocol, openvpn_iphdr::saddr, SUB_CHECKSUM_32, ip_tcp_udp_hdr::tcp, client_nat_entry::type, ip_tcp_udp_hdr::u, and ip_tcp_udp_hdr::udp.

Referenced by process_ip_header().

clone_client_nat_option_list()

struct client_nat_option_list* clone_client_nat_option_list	(	const struct client_nat_option_list *	src,
		struct gc_arena *	gc
	)

Definition at line 83 of file clinat.c.

References ALLOC_OBJ_GC.

Referenced by pre_connect_save().

copy_client_nat_option_list()

void copy_client_nat_option_list	(	struct client_nat_option_list *	dest,
		const struct client_nat_option_list *	src
	)

Definition at line 92 of file clinat.c.

References add_entry(), client_nat_option_list::entries, and client_nat_option_list::n.

Referenced by pre_connect_restore().

new_client_nat_list()

struct client_nat_option_list* new_client_nat_list

(

struct gc_arena *

gc

)

Definition at line 75 of file clinat.c.

References ALLOC_OBJ_CLEAR_GC.

Referenced by cnol_check_alloc().

print_client_nat_list()

void print_client_nat_list	(	const struct client_nat_option_list *	list,
		int	msglevel
	)

Definition at line 52 of file clinat.c.

References client_nat_option_list::entries, client_nat_entry::foreign_network, gc_free(), gc_new(), IA_NET_ORDER, gc_arena::list, msg, client_nat_entry::netmask, client_nat_entry::network, print_in_addr_t(), and client_nat_entry::type.

Referenced by show_settings().