clinat.c File Reference

#include "syshead.h"
#include "clinat.h"
#include "proto.h"
#include "socket_util.h"
#include "memdbg.h"

Include dependency graph for clinat.c:

Go to the source code of this file.

Functions
static bool	add_entry (struct client_nat_option_list *dest, const struct client_nat_entry *e)
void	print_client_nat_list (const struct client_nat_option_list *list, msglvl_t msglevel)
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	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, msglvl_t msglevel)
static void	print_pkt (struct openvpn_iphdr *iph, const char *prefix, const int direction, const msglvl_t msglevel)
void	client_nat_transform (const struct client_nat_option_list *list, struct buffer *ipbuf, const int direction)

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,
		msglvl_t	msglevel
	)

Definition at line 102 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().

add_entry()

static bool add_entry ( struct client_nat_option_list *  dest, const struct client_nat_entry *  e  )

static

Definition at line 35 of file clinat.c.

References client_nat_option_list::entries, M_WARN, MAX_CLIENT_NAT, msg, and client_nat_option_list::n.

Referenced by add_client_nat_to_option_list(), and copy_client_nat_option_list().

client_nat_transform()

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

Definition at line 184 of file clinat.c.

References ADD_CHECKSUM_32, ADJUST_CHECKSUM, BLENZ, 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 79 of file clinat.c.

References ALLOC_OBJ_GC, and 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 88 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 71 of file clinat.c.

References ALLOC_OBJ_CLEAR_GC, and gc.

Referenced by cnol_check_alloc().

print_client_nat_list()

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

Definition at line 50 of file clinat.c.

References client_nat_option_list::entries, client_nat_entry::foreign_network, gc, 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().

print_pkt()

static void print_pkt ( struct openvpn_iphdr *  iph, const char *  prefix, const int  direction, const msglvl_t  msglevel  )

static

Definition at line 162 of file clinat.c.

References CN_INCOMING, CN_OUTGOING, openvpn_iphdr::daddr, gc, gc_free(), gc_new(), IA_NET_ORDER, msg, print_in_addr_t(), and openvpn_iphdr::saddr.

Referenced by client_nat_transform().