socket_util.h File Reference

#include "buffer.h"
#include "env_set.h"
#include "sig.h"

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Data Structures
struct	openvpn_sockaddr
struct	link_socket_actual

Macros
#define	PS_SHOW_PORT_IF_DEFINED   (1 << 0)
#define	PS_SHOW_PORT   (1 << 1)
#define	PS_SHOW_PKTINFO   (1 << 2)
#define	PS_DONT_SHOW_ADDR   (1 << 3)
#define	PS_DONT_SHOW_FAMILY   (1 << 4)
#define	IA_EMPTY_IF_UNDEF   (1 << 0)
#define	IA_NET_ORDER   (1 << 1)
#define	SA_IP_PORT   (1 << 0)
#define	SA_SET_IF_NONZERO   (1 << 1)
#define	GETADDR_RESOLVE   (1 << 0)
#define	GETADDR_FATAL   (1 << 1)
#define	GETADDR_HOST_ORDER   (1 << 2)
#define	GETADDR_MENTION_RESOLVE_RETRY   (1 << 3)
#define	GETADDR_FATAL_ON_SIGNAL   (1 << 4)
#define	GETADDR_WARN_ON_SIGNAL   (1 << 5)
#define	GETADDR_MSG_VIRT_OUT   (1 << 6)
#define	GETADDR_TRY_ONCE   (1 << 7)
#define	GETADDR_UPDATE_MANAGEMENT_STATE   (1 << 8)
#define	GETADDR_RANDOMIZE   (1 << 9)
#define	GETADDR_PASSIVE   (1 << 10)
#define	GETADDR_DATAGRAM   (1 << 11)
#define	GETADDR_CACHE_MASK   (GETADDR_DATAGRAM | GETADDR_PASSIVE)
#define	OIA_HOSTNAME   0
#define	OIA_IP   1
#define	OIA_ERROR   -1

Enumerations
enum	proto_num {   PROTO_NONE , PROTO_UDP , PROTO_TCP , PROTO_TCP_SERVER ,   PROTO_TCP_CLIENT , PROTO_N }

Functions
const char *	print_sockaddr_ex (const struct sockaddr *addr, const char *separator, const unsigned int flags, struct gc_arena *gc)
static const char *	print_openvpn_sockaddr (const struct openvpn_sockaddr *addr, struct gc_arena *gc)
static const char *	print_sockaddr (const struct sockaddr *addr, struct gc_arena *gc)
const char *	print_link_socket_actual_ex (const struct link_socket_actual *act, const char *separator, const unsigned int flags, struct gc_arena *gc)
const char *	print_link_socket_actual (const struct link_socket_actual *act, struct gc_arena *gc)
const char *	print_in_addr_t (in_addr_t addr, unsigned int flags, struct gc_arena *gc)
const char *	print_in6_addr (struct in6_addr addr6, unsigned int flags, struct gc_arena *gc)
const char *	print_in_port_t (in_port_t port, struct gc_arena *gc)
struct in6_addr	add_in6_addr (struct in6_addr base, uint32_t add)
void	setenv_sockaddr (struct env_set *es, const char *name_prefix, const struct openvpn_sockaddr *addr, const unsigned int flags)
void	setenv_in_addr_t (struct env_set *es, const char *name_prefix, in_addr_t addr, const unsigned int flags)
void	setenv_in6_addr (struct env_set *es, const char *name_prefix, const struct in6_addr *addr, const unsigned int flags)
void	setenv_link_socket_actual (struct env_set *es, const char *name_prefix, const struct link_socket_actual *act, const unsigned int flags)
in_addr_t	getaddr (unsigned int flags, const char *hostname, int resolve_retry_seconds, bool *succeeded, struct signal_info *sig_info)
	Translate an IPv4 addr or hostname from string form to in_addr_t.
bool	get_ipv6_addr (const char *hostname, struct in6_addr *network, unsigned int *netbits, int msglevel)
	Translate an IPv6 addr or hostname from string form to in6_addr.
int	openvpn_getaddrinfo (unsigned int flags, const char *hostname, const char *servname, int resolve_retry_seconds, struct signal_info *sig_info, int ai_family, struct addrinfo **res)
int	openvpn_inet_aton (const char *dotted_quad, struct in_addr *addr)
bool	ip_addr_dotted_quad_safe (const char *dotted_quad)
bool	ip_or_dns_addr_safe (const char *addr, const bool allow_fqdn)
bool	mac_addr_safe (const char *mac_addr)
bool	ipv6_addr_safe (const char *ipv6_text_addr)
static bool	proto_is_net (int proto)
static bool	proto_is_udp (int proto)
	Returns if the protocol being used is UDP.
static bool	proto_is_dgram (int proto)
	Return if the protocol is datagram (UDP)
static bool	proto_is_tcp (int proto)
	returns if the proto is a TCP variant (tcp-server, tcp-client or tcp)
int	ascii2proto (const char *proto_name)
sa_family_t	ascii2af (const char *proto_name)
const char *	proto2ascii (int proto, sa_family_t af, bool display_form)
const char *	proto2ascii_all (struct gc_arena *gc)
const char *	proto_remote (int proto, bool remote)
const char *	addr_family_name (int af)
static bool	addr_defined (const struct openvpn_sockaddr *addr)
static bool	addr_local (const struct sockaddr *addr)
static bool	addr_defined_ipi (const struct link_socket_actual *lsa)
static int	datagram_overhead (sa_family_t af, int proto)
static bool	link_socket_proto_connection_oriented (int proto)
static bool	link_socket_actual_defined (const struct link_socket_actual *act)
static bool	addr_match (const struct openvpn_sockaddr *a1, const struct openvpn_sockaddr *a2)
static bool	addrlist_match (const struct openvpn_sockaddr *a1, const struct addrinfo *addrlist)
static bool	addrlist_port_match (const struct openvpn_sockaddr *a1, const struct addrinfo *a2)
static bool	addr_port_match (const struct openvpn_sockaddr *a1, const struct openvpn_sockaddr *a2)
static bool	addr_match_proto (const struct openvpn_sockaddr *a1, const struct openvpn_sockaddr *a2, const int proto)
static bool	addrlist_match_proto (const struct openvpn_sockaddr *a1, struct addrinfo *addr_list, const int proto)
static void	addr_zero_host (struct openvpn_sockaddr *addr)
static int	af_addr_size (sa_family_t af)
static bool	link_socket_actual_match (const struct link_socket_actual *a1, const struct link_socket_actual *a2)

Macro Definition Documentation

GETADDR_CACHE_MASK

#define GETADDR_CACHE_MASK   (GETADDR_DATAGRAM | GETADDR_PASSIVE)

Definition at line 130 of file socket_util.h.

GETADDR_DATAGRAM

#define GETADDR_DATAGRAM   (1 << 11)

Definition at line 128 of file socket_util.h.

GETADDR_FATAL

#define GETADDR_FATAL   (1 << 1)

Definition at line 118 of file socket_util.h.

GETADDR_FATAL_ON_SIGNAL

#define GETADDR_FATAL_ON_SIGNAL   (1 << 4)

Definition at line 121 of file socket_util.h.

GETADDR_HOST_ORDER

#define GETADDR_HOST_ORDER   (1 << 2)

Definition at line 119 of file socket_util.h.

GETADDR_MENTION_RESOLVE_RETRY

#define GETADDR_MENTION_RESOLVE_RETRY   (1 << 3)

Definition at line 120 of file socket_util.h.

GETADDR_MSG_VIRT_OUT

#define GETADDR_MSG_VIRT_OUT   (1 << 6)

Definition at line 123 of file socket_util.h.

GETADDR_PASSIVE

#define GETADDR_PASSIVE   (1 << 10)

Definition at line 127 of file socket_util.h.

GETADDR_RANDOMIZE

#define GETADDR_RANDOMIZE   (1 << 9)

Definition at line 126 of file socket_util.h.

GETADDR_RESOLVE

#define GETADDR_RESOLVE   (1 << 0)

Definition at line 117 of file socket_util.h.

GETADDR_TRY_ONCE

#define GETADDR_TRY_ONCE   (1 << 7)

Definition at line 124 of file socket_util.h.

GETADDR_UPDATE_MANAGEMENT_STATE

#define GETADDR_UPDATE_MANAGEMENT_STATE   (1 << 8)

Definition at line 125 of file socket_util.h.

GETADDR_WARN_ON_SIGNAL

#define GETADDR_WARN_ON_SIGNAL   (1 << 5)

Definition at line 122 of file socket_util.h.

IA_EMPTY_IF_UNDEF

#define IA_EMPTY_IF_UNDEF   (1 << 0)

Definition at line 89 of file socket_util.h.

IA_NET_ORDER

#define IA_NET_ORDER   (1 << 1)

Definition at line 90 of file socket_util.h.

OIA_ERROR

#define OIA_ERROR   -1

Definition at line 154 of file socket_util.h.

OIA_HOSTNAME

#define OIA_HOSTNAME   0

Definition at line 152 of file socket_util.h.

OIA_IP

#define OIA_IP   1

Definition at line 153 of file socket_util.h.

PS_DONT_SHOW_ADDR

#define PS_DONT_SHOW_ADDR   (1 << 3)

Definition at line 33 of file socket_util.h.

PS_DONT_SHOW_FAMILY

#define PS_DONT_SHOW_FAMILY   (1 << 4)

Definition at line 34 of file socket_util.h.

PS_SHOW_PKTINFO

#define PS_SHOW_PKTINFO   (1 << 2)

Definition at line 32 of file socket_util.h.

PS_SHOW_PORT

#define PS_SHOW_PORT   (1 << 1)

Definition at line 31 of file socket_util.h.

PS_SHOW_PORT_IF_DEFINED

#define PS_SHOW_PORT_IF_DEFINED   (1 << 0)

Definition at line 30 of file socket_util.h.

SA_IP_PORT

#define SA_IP_PORT   (1 << 0)

Definition at line 99 of file socket_util.h.

SA_SET_IF_NONZERO

#define SA_SET_IF_NONZERO   (1 << 1)

Definition at line 100 of file socket_util.h.

Enumeration Type Documentation

proto_num

enum proto_num

Enumerator
PROTO_NONE
PROTO_UDP
PROTO_TCP
PROTO_TCP_SERVER
PROTO_TCP_CLIENT
PROTO_N

Definition at line 174 of file socket_util.h.

Function Documentation

add_in6_addr()

struct in6_addr add_in6_addr	(	struct in6_addr	base,
		uint32_t	add
	)

Definition at line 242 of file socket_util.c.

References i.

Referenced by helper_client_server(), ifconfig_pool_acquire(), ifconfig_pool_handle_to_ipv6_base(), and test_add_in6_addr_tc().

addr_defined()

static bool addr_defined ( const struct openvpn_sockaddr *  addr )

inlinestatic

Definition at line 234 of file socket_util.h.

References openvpn_sockaddr::addr, openvpn_sockaddr::in4, openvpn_sockaddr::in6, and openvpn_sockaddr::sa.

Referenced by initialization_sequence_completed(), link_socket_actual_defined(), and log_entry_print().

addr_defined_ipi()

static bool addr_defined_ipi ( const struct link_socket_actual *  lsa )

inlinestatic

Definition at line 275 of file socket_util.h.

References openvpn_sockaddr::addr, ASSERT, link_socket_actual::dest, and openvpn_sockaddr::sa.

Referenced by print_link_socket_actual_ex().

addr_family_name()

const char * addr_family_name

(

int

af

)

Definition at line 446 of file socket_util.c.

References buffer::len.

Referenced by dco_mp_start_vpn(), dco_p2p_new_peer(), link_socket_init_phase2(), and socket_bind().

addr_local()

static bool addr_local ( const struct sockaddr *  addr )

inlinestatic

Definition at line 254 of file socket_util.h.

addr_match()

static bool addr_match ( const struct openvpn_sockaddr *  a1, const struct openvpn_sockaddr *  a2  )

inlinestatic

Definition at line 334 of file socket_util.h.

References openvpn_sockaddr::addr, ASSERT, openvpn_sockaddr::in4, openvpn_sockaddr::in6, IN6_ARE_ADDR_EQUAL, and openvpn_sockaddr::sa.

Referenced by addr_match_proto().

addr_match_proto()

static bool addr_match_proto ( const struct openvpn_sockaddr *  a1, const struct openvpn_sockaddr *  a2, const int  proto  )

inlinestatic

Definition at line 434 of file socket_util.h.

References addr_match(), addr_port_match(), and link_socket_proto_connection_oriented().

Referenced by link_socket_set_outgoing_addr().

addr_port_match()

static bool addr_port_match ( const struct openvpn_sockaddr *  a1, const struct openvpn_sockaddr *  a2  )

inlinestatic

Definition at line 417 of file socket_util.h.

References openvpn_sockaddr::addr, ASSERT, openvpn_sockaddr::in4, openvpn_sockaddr::in6, IN6_ARE_ADDR_EQUAL, and openvpn_sockaddr::sa.

Referenced by addr_match_proto(), and link_socket_actual_match().

addr_zero_host()

static void addr_zero_host ( struct openvpn_sockaddr *  addr )

inlinestatic

Definition at line 450 of file socket_util.h.

References openvpn_sockaddr::addr, openvpn_sockaddr::in4, openvpn_sockaddr::in6, and openvpn_sockaddr::sa.

Referenced by phase2_socks_client().

addrlist_match()

static bool addrlist_match ( const struct openvpn_sockaddr *  a1, const struct addrinfo *  addrlist  )

inlinestatic

Definition at line 349 of file socket_util.h.

References openvpn_sockaddr::addr, ASSERT, openvpn_sockaddr::in4, openvpn_sockaddr::in6, IN6_ARE_ADDR_EQUAL, and openvpn_sockaddr::sa.

Referenced by addrlist_match_proto(), and socket_listen_accept().

addrlist_match_proto()

static bool addrlist_match_proto ( const struct openvpn_sockaddr *  a1, struct addrinfo *  addr_list, const int  proto  )

inlinestatic

Definition at line 443 of file socket_util.h.

References addrlist_match(), addrlist_port_match(), and link_socket_proto_connection_oriented().

Referenced by link_socket_set_outgoing_addr(), and link_socket_verify_incoming_addr().

addrlist_port_match()

static bool addrlist_port_match ( const struct openvpn_sockaddr *  a1, const struct addrinfo *  a2  )

inlinestatic

Definition at line 380 of file socket_util.h.

References openvpn_sockaddr::addr, ASSERT, openvpn_sockaddr::in4, openvpn_sockaddr::in6, IN6_ARE_ADDR_EQUAL, and openvpn_sockaddr::sa.

Referenced by addrlist_match_proto().

af_addr_size()

static int af_addr_size ( sa_family_t  af )

inlinestatic

Definition at line 465 of file socket_util.h.

References ASSERT, M_ERR, and msg.

Referenced by openvpn_connect(), read_sockaddr_from_overlapped(), socket_do_accept(), and socket_recv_queue().

ascii2af()

sa_family_t ascii2af

(

const char *

proto_name

)

Definition at line 396 of file socket_util.c.

References i, proto_names::proto_af, proto_names::short_form, and SIZE.

Referenced by add_option().

ascii2proto()

int ascii2proto

(

const char *

proto_name

)

Definition at line 383 of file socket_util.c.

References i, proto_names::proto, proto_names::short_form, and SIZE.

Referenced by add_option().

datagram_overhead()

static int datagram_overhead ( sa_family_t  af, int  proto  )

inlinestatic

Definition at line 309 of file socket_util.h.

References PROTO_UDP.

Referenced by calc_control_channel_frame_overhead(), frame_adjust_path_mtu(), get_ip_encap_overhead(), and process_outgoing_link().

get_ipv6_addr()

bool get_ipv6_addr	(	const char *	hostname,
		struct in6_addr *	network,
		unsigned int *	netbits,
		int	msglevel
	)

Translate an IPv6 addr or hostname from string form to in6_addr.

Definition at line 214 of file socket.c.

References get_addr_generic(), and GETADDR_RESOLVE.

Referenced by add_option(), dhcp_option_dns6_parse(), ifconfig_pool_read(), init_route_ipv6(), ipv6_addr_safe_hexplusbits(), option_iroute_ipv6(), and remove_iroutes_from_push_route_list().

getaddr()

in_addr_t getaddr	(	unsigned int	flags,
		const char *	hostname,
		int	resolve_retry_seconds,
		bool *	succeeded,
		struct signal_info *	sig_info
	)

Translate an IPv4 addr or hostname from string form to in_addr_t.

In case of resolve error, it will try again for resolve_retry_seconds seconds.

Definition at line 187 of file socket.c.

References get_addr_generic(), M_WARN, and status.

Referenced by add_client_nat_to_option_list(), add_host_route_array(), add_option(), get_adapter_ip_netmask(), get_ip_addr(), ifconfig_pool_read(), init_route(), init_route_list(), init_tun(), ip_addr_string_to_array(), man_kill(), option_iroute(), and remove_iroutes_from_push_route_list().

ip_addr_dotted_quad_safe()

bool ip_addr_dotted_quad_safe

(

const char *

dotted_quad

)

Definition at line 787 of file socket_util.c.

References OIA_IP, and openvpn_inet_aton().

Referenced by check_route_option(), dhcp_option_address_parse(), and ip_or_dns_addr_safe().

ip_or_dns_addr_safe()

bool ip_or_dns_addr_safe	(	const char *	addr,
		const bool	allow_fqdn
	)

Definition at line 873 of file socket_util.c.

References dns_addr_safe(), and ip_addr_dotted_quad_safe().

Referenced by add_option(), and check_route_option().

ipv6_addr_safe()

bool ipv6_addr_safe

(

const char *

ipv6_text_addr

)

Definition at line 837 of file socket_util.c.

Referenced by add_option(), and check_route6_option().

link_socket_actual_defined()

static bool link_socket_actual_defined ( const struct link_socket_actual *  act )

inlinestatic

Definition at line 328 of file socket_util.h.

References addr_defined(), and link_socket_actual::dest.

Referenced by check_ping_restart(), link_socket_current_remote(), link_socket_current_remote_ipv6(), link_socket_get_outgoing_addr(), link_socket_verify_incoming_addr(), process_outgoing_link(), resolve_remote(), tls_multi_process(), tls_update_remote_addr(), and write_control_auth().

link_socket_actual_match()

static bool link_socket_actual_match ( const struct link_socket_actual *  a1, const struct link_socket_actual *  a2  )

inlinestatic

Definition at line 486 of file socket_util.h.

References addr_port_match(), and link_socket_actual::dest.

Referenced by handle_data_channel_packet(), multi_get_create_instance_udp(), tls_pre_decrypt(), and tls_update_remote_addr().

link_socket_proto_connection_oriented()

static bool link_socket_proto_connection_oriented ( int  proto )

inlinestatic

Definition at line 322 of file socket_util.h.

References proto_is_dgram().

Referenced by addr_match_proto(), addrlist_match_proto(), and link_socket_connection_oriented().

mac_addr_safe()

bool mac_addr_safe

(

const char *

mac_addr

)

Definition at line 890 of file socket_util.c.

Referenced by add_option().

openvpn_getaddrinfo()

int openvpn_getaddrinfo	(	unsigned int	flags,
		const char *	hostname,
		const char *	servname,
		int	resolve_retry_seconds,
		struct signal_info *	sig_info,
		int	ai_family,
		struct addrinfo **	res
	)

Definition at line 537 of file socket_util.c.

References ASSERT, CLEAR, D_RESOLVE_ERRORS, D_SOCKET_DEBUG, dmsg, gc, gc_free(), gc_new(), get_signal(), GETADDR_DATAGRAM, GETADDR_FATAL, GETADDR_FATAL_ON_SIGNAL, GETADDR_HOST_ORDER, GETADDR_MENTION_RESOLVE_RETRY, GETADDR_MSG_VIRT_OUT, GETADDR_PASSIVE, GETADDR_RANDOMIZE, GETADDR_RESOLVE, GETADDR_TRY_ONCE, GETADDR_UPDATE_MANAGEMENT_STATE, GETADDR_WARN_ON_SIGNAL, getaddrinfo_addr_family_name(), hostname_randomize(), M_FATAL, M_MSG_VIRT_OUT, M_WARN, management_set_state(), management_sleep(), msg, OPENVPN_STATE_RESOLVE, res, signal_info::signal_received, signal_reset(), and status.

Referenced by dns_server_addr_parse(), do_preresolve_host(), get_addr_generic(), init_route(), man_settings_init(), management_post_tunnel_open(), resolve_bind_local(), resolve_remote(), and socket_listen_accept().

openvpn_inet_aton()

int openvpn_inet_aton	(	const char *	dotted_quad,
		struct in_addr *	addr
	)

Definition at line 763 of file socket_util.c.

References CC_DIGIT, CC_DOT, CLEAR, OIA_ERROR, OIA_HOSTNAME, OIA_IP, and string_class().

Referenced by ip_addr_dotted_quad_safe().

print_in6_addr()

const char * print_in6_addr	(	struct in6_addr	addr6,
		unsigned int	flags,
		struct gc_arena *	gc
	)

Definition at line 216 of file socket_util.c.

References gc, gc_malloc(), and IA_EMPTY_IF_UNDEF.

Referenced by add_route_ipv6(), check_mapped_ipv4_address(), dco_win_add_iroute_ipv6(), dco_win_del_iroute_ipv6(), delete_route_ipv6(), do_address_service(), do_ifconfig_ipv6(), do_ifconfig_setenv(), get_default_gateway_ipv6(), helper_client_server(), ifconfig_pool_init(), ifconfig_pool_list(), init_route_ipv6_list(), log_entry_print(), mroute_addr_print_ex(), mroute_extract_addr_ip(), multi_add_iroutes(), multi_client_connect_late_setup(), multi_print_status(), multi_select_virtual_addr(), netsh_delete_address_dns(), netsh_set_dns6_servers(), prepare_push_reply(), print_default_gateway(), setenv_route_ipv6(), show_dns_options(), show_p2mp_parms(), test_add_in6_addr_tc(), and undo_ifconfig_ipv6().

print_in_addr_t()

const char * print_in_addr_t	(	in_addr_t	addr,
		unsigned int	flags,
		struct gc_arena *	gc
	)

Definition at line 196 of file socket_util.c.

References CLEAR, gc, gc_malloc(), IA_EMPTY_IF_UNDEF, and IA_NET_ORDER.

Referenced by adapter_index_of_ip(), add_route(), add_route_ipapi(), check_addr_clash(), dco_win_add_iroute_ipv4(), dco_win_del_iroute_ipv4(), delete_route(), dhcp_extract_router_msg(), dhcp_masq_addr(), do_address_service(), do_close_tun(), do_ifconfig_ipv4(), do_ifconfig_setenv(), do_open_tun(), format_route_entry(), get_default_gateway_row(), helper_add_route(), helper_client_server(), ifconfig_options_string(), ifconfig_pool_init(), ifconfig_pool_list(), ifconfig_pool_verify_range(), ifconfig_sanity_check(), ip_addr_string_to_array(), log_entry_print(), man_kill(), mroute_addr_print_ex(), multi_add_iroutes(), multi_client_connect_late_setup(), multi_print_status(), multi_select_virtual_addr(), netsh_delete_address_dns(), netsh_ifconfig(), netsh_ifconfig_options(), prepare_push_reply(), print_client_nat_list(), print_default_gateway(), print_netmask(), print_opt_route(), print_opt_route_gateway(), print_pkt(), route_string(), setenv_route_addr(), show_dhcp_option_addrs(), show_dns_options(), show_p2mp_parms(), tuntap_dhcp_mask(), tuntap_set_ip_addr(), tuntap_set_ptp(), undo_ifconfig_ipv4(), verify_255_255_255_252(), verify_common_subnet(), and windows_route_find_if_index().

print_in_port_t()

const char * print_in_port_t	(	in_port_t	port,
		struct gc_arena *	gc
	)

Definition at line 231 of file socket_util.c.

References alloc_buf_gc(), BSTR, buf_printf(), and gc.

Referenced by show_dns_options().

print_link_socket_actual()

const char * print_link_socket_actual	(	const struct link_socket_actual *	act,
		struct gc_arena *	gc
	)

Definition at line 117 of file socket_util.c.

References gc, print_link_socket_actual_ex(), PS_SHOW_PKTINFO, and PS_SHOW_PORT.

Referenced by do_pre_decrypt_check(), drop_if_recursive_routing(), handle_data_channel_packet(), link_socket_bad_incoming_addr(), link_socket_connection_initiated(), print_key_id_not_found_reason(), process_incoming_link_part1(), process_outgoing_link(), read_control_auth(), resolve_remote(), socket_listen_accept(), tcp_connection_established(), tls_multi_process(), tls_pre_decrypt(), tls_pre_decrypt_lite(), and tls_update_remote_addr().

print_link_socket_actual_ex()

const char * print_link_socket_actual_ex	(	const struct link_socket_actual *	act,
		const char *	separator,
		const unsigned int	flags,
		struct gc_arena *	gc
	)

Definition at line 127 of file socket_util.c.

References addr_defined_ipi(), alloc_buf_gc(), BSTR, buf_printf(), CLEAR, gc, IF_NAMESIZE, buffer::len, print_sockaddr_ex(), PS_SHOW_PKTINFO, and openvpn_sockaddr::sa.

Referenced by linksock_print_addr(), and print_link_socket_actual().

print_openvpn_sockaddr()

static const char * print_openvpn_sockaddr ( const struct openvpn_sockaddr *  addr, struct gc_arena *  gc  )

inlinestatic

Definition at line 71 of file socket_util.h.

References openvpn_sockaddr::addr, gc, print_sockaddr_ex(), PS_SHOW_PORT, and openvpn_sockaddr::sa.

Referenced by recv_socks_reply().

print_sockaddr()

static const char * print_sockaddr ( const struct sockaddr *  addr, struct gc_arena *  gc  )

inlinestatic

Definition at line 77 of file socket_util.h.

References gc, print_sockaddr_ex(), and PS_SHOW_PORT.

Referenced by linksock_print_addr(), man_connect(), man_listen(), man_new_connection_post(), socket_connect(), and socket_do_listen().

print_sockaddr_ex()

const char * print_sockaddr_ex	(	const struct sockaddr *	addr,
		const char *	separator,
		const unsigned int	flags,
		struct gc_arena *	gc
	)

Definition at line 38 of file socket_util.c.

References alloc_buf_gc(), ASSERT, BSTR, buf_printf(), buf_puts(), gc, buffer::len, PS_DONT_SHOW_ADDR, PS_DONT_SHOW_FAMILY, PS_SHOW_PORT, PS_SHOW_PORT_IF_DEFINED, and status.

Referenced by ipchange_fmt(), link_socket_bad_incoming_addr(), log_entry_print(), print_link_socket_actual_ex(), print_openvpn_sockaddr(), print_sockaddr(), and socket_bind().

proto2ascii()

const char * proto2ascii	(	int	proto,
		sa_family_t	af,
		bool	display_form
	)

Definition at line 409 of file socket_util.c.

References proto_names::display_form, i, proto_names::proto, proto_names::proto_af, proto_names::short_form, and SIZE.

Referenced by ce_management_query_remote(), linksock_print_addr(), man_kill(), management_callback_remote_entry_get(), mroute_addr_print_ex(), process_incoming_link_part1(), process_outgoing_link(), setenv_local_entry(), show_connection_entry(), and x_check_status().

proto2ascii_all()

const char * proto2ascii_all

(

struct gc_arena *

gc

)

Definition at line 430 of file socket_util.c.

References alloc_buf_gc(), BSTR, buf_printf(), gc, i, and SIZE.

Referenced by add_option().

proto_is_dgram()

static bool proto_is_dgram ( int  proto )

inlinestatic

Return if the protocol is datagram (UDP)

Definition at line 206 of file socket_util.h.

References proto_is_udp().

Referenced by do_preresolve(), has_udp_in_local_list(), inherit_context_child(), io_wait(), link_socket_proto_connection_oriented(), multi_close_instance(), multi_io_process_flags(), multi_io_process_io(), multi_io_set_global_rw_flags(), multi_push_restart_schedule_exit(), multi_tcp_process_outgoing_link(), options_postprocess_verify_ce(), process_received_occ_msg(), resolve_bind_local(), resolve_remote(), and update_options_ce_post().

proto_is_net()

static bool proto_is_net ( int  proto )

inlinestatic

Definition at line 185 of file socket_util.h.

References ASSERT, PROTO_N, and PROTO_NONE.

Referenced by options_postprocess_verify_ce().

proto_is_tcp()

static bool proto_is_tcp ( int  proto )

inlinestatic

returns if the proto is a TCP variant (tcp-server, tcp-client or tcp)

Definition at line 215 of file socket_util.h.

References ASSERT, PROTO_N, PROTO_TCP_CLIENT, and PROTO_TCP_SERVER.

Referenced by frame_calculate_protocol_header_size(), link_socket_read(), link_socket_write(), socket_recv_queue(), and socket_send_queue().

proto_is_udp()

static bool proto_is_udp ( int  proto )

inlinestatic

Returns if the protocol being used is UDP.

Definition at line 195 of file socket_util.h.

References ASSERT, PROTO_N, and PROTO_UDP.

Referenced by ce_management_query_proxy(), do_deferred_options(), frame_calculate_protocol_header_size(), link_socket_read(), link_socket_write(), options_postprocess_mutate_ce(), options_postprocess_verify_ce(), proto_is_dgram(), socket_recv_queue(), and socket_send_queue().

proto_remote()

const char * proto_remote	(	int	proto,
		bool	remote
	)

Definition at line 472 of file socket_util.c.

References ASSERT, PROTO_N, PROTO_TCP_CLIENT, PROTO_TCP_SERVER, and PROTO_UDP.

Referenced by options_string().

setenv_in6_addr()

void setenv_in6_addr	(	struct env_set *	es,
		const char *	name_prefix,
		const struct in6_addr *	addr,
		const unsigned int	flags
	)

Definition at line 330 of file socket_util.c.

References openvpn_sockaddr::addr, CLEAR, es, openvpn_sockaddr::in6, SA_SET_IF_NONZERO, and setenv_sockaddr().

Referenced by multi_set_virtual_addr_env().

setenv_in_addr_t()

void setenv_in_addr_t	(	struct env_set *	es,
		const char *	name_prefix,
		in_addr_t	addr,
		const unsigned int	flags
	)

Definition at line 316 of file socket_util.c.

References openvpn_sockaddr::addr, CLEAR, es, openvpn_sockaddr::in4, SA_SET_IF_NONZERO, and setenv_sockaddr().

Referenced by multi_set_virtual_addr_env().

setenv_link_socket_actual()

void setenv_link_socket_actual	(	struct env_set *	es,
		const char *	name_prefix,
		const struct link_socket_actual *	act,
		const unsigned int	flags
	)

Definition at line 344 of file socket_util.c.

References link_socket_actual::dest, es, and setenv_sockaddr().

Referenced by setenv_trusted(), and setenv_untrusted().

setenv_sockaddr()

void setenv_sockaddr	(	struct env_set *	es,
		const char *	name_prefix,
		const struct openvpn_sockaddr *	addr,
		const unsigned int	flags
	)

Definition at line 263 of file socket_util.c.

References openvpn_sockaddr::addr, es, openvpn_sockaddr::in4, openvpn_sockaddr::in6, openvpn_sockaddr::sa, SA_IP_PORT, setenv_int(), and setenv_str().

Referenced by setenv_in6_addr(), setenv_in_addr_t(), and setenv_link_socket_actual().