/home/aaron/olsrd-current/olsrd/src/core/ipcalc.h File Reference

#include "olsr_types.h"
#include "defs.h"
#include "olsr_cfg.h"
#include "common/string.h"
#include <limits.h>
#include <arpa/inet.h>

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Data Structures
struct	ipaddr_str
struct	ipprefix_str
Functions
static INLINE int	ip4cmp (const struct in_addr *a, const struct in_addr *b)
static INLINE int	ip6cmp (const struct in6_addr *a, const struct in6_addr *b)
static INLINE int	ipcmp (int ip_version, const union olsr_ip_addr *a, const union olsr_ip_addr *b)
static INLINE int	olsr_ipcmp (const union olsr_ip_addr *a, const union olsr_ip_addr *b)
static INLINE void	genipcopy (void *dst, const void *src)
int	ip_in_net (const union olsr_ip_addr *ipaddr, const struct olsr_ip_prefix *net, int ip_version)
int EXPORT()	prefix_to_netmask (uint8_t *, int, uint8_t)
static INLINE int	olsr_prefix_to_netmask (union olsr_ip_addr *adr, uint8_t prefixlen)
uint8_t EXPORT()	netmask_to_prefix (const uint8_t *, int)
static INLINE uint8_t	olsr_netmask_to_prefix (const union olsr_ip_addr *adr)
static INLINE uint8_t	olsr_netmask4_to_prefix (const uint32_t *a)
static INLINE uint8_t	olsr_netmask6_to_prefix (const struct in6_addr *a)
static INLINE const char *	ip4_to_string (struct ipaddr_str *const buf, const struct in_addr addr4)
static INLINE const char *	ip6_to_string (struct ipaddr_str *const buf, const struct in6_addr *const addr6)
static INLINE const char *	olsr_sockaddr_to_string (struct ipaddr_str *const buf, const union olsr_sockaddr *s)
static INLINE const char *	ip_to_string (int af, struct ipaddr_str *const buf, const union olsr_ip_addr *addr)
static INLINE const char *	olsr_ip_to_string (struct ipaddr_str *const buf, const union olsr_ip_addr *addr)
const char *EXPORT()	ip_prefix_to_string (int af, struct ipprefix_str *const buf, const struct olsr_ip_prefix *prefix)
static INLINE const char *	olsr_ip_prefix_to_string (struct ipprefix_str *const buf, const struct olsr_ip_prefix *prefix)
const char *	sockaddr_to_string (char *buf, int bufsize, const struct sockaddr *const addr, unsigned int addrsize)
static INLINE uint32_t	prefix_to_netmask4 (uint8_t prefixlen)
struct in6_addr	EXPORT (in6addr_v4mapped_loopback)
void EXPORT()	ip_map_4to6 (union olsr_ip_addr *ip)
static INLINE bool	is_prefix_niit_ipv6 (const struct olsr_ip_prefix *p)
static INLINE struct olsr_ip_prefix *	prefix_mappedv4_to_v4 (struct olsr_ip_prefix *v4, const struct olsr_ip_prefix *v6)
static INLINE bool	ip_is_linklocal (const union olsr_ip_addr *ip)
static INLINE bool	ip_prefix_is_mappedv4 (const struct olsr_ip_prefix *prefix)
static INLINE bool	ip_prefix_is_mappedv4_inetgw (const struct olsr_ip_prefix *prefix)
static INLINE bool	ip_prefix_is_v4_inetgw (const struct olsr_ip_prefix *prefix)
static INLINE bool	ip_prefix_is_v6_inetgw (const struct olsr_ip_prefix *prefix)
bool	is_prefix_inetgw (const struct olsr_ip_prefix *prefix)
Variables
union olsr_ip_addr	all_zero
struct olsr_ip_prefix	ipv4_internet_route
struct olsr_ip_prefix	ipv6_mappedv4_route
struct olsr_ip_prefix	ipv6_internet_route

---

Function Documentation

struct in6_addr EXPORT

(

in6addr_v4mapped_loopback

)

[read]

static INLINE void genipcopy	(	void *	dst,
		const void *	src
	)			[static]

Definition at line 107 of file ipcalc.h.

References olsr_config::ipsize, and olsr_cnf.

static INLINE const char* ip4_to_string	(	struct ipaddr_str *const	buf,
		const struct in_addr	addr4
	)			[static]

Definition at line 143 of file ipcalc.h.

References ipaddr_str::buf, and inet_ntop().

Referenced by activate_tree_link(), addObampNode4(), chk_if_changed(), CoreElection(), deactivate_tree_link(), EncapFlowInObamp(), forward_obamp_data(), InitOBAMP(), manage_tree_create(), mesh_create(), os_init_interface(), PacketReceivedFromOLSR(), parse_cfg_interface(), printObampNodesList(), purge_nodes(), send_destroy_tree_link(), tree_create(), tree_link_ack(), tree_link_req(), and txtinfo_interfaces().

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static INLINE int ip4cmp	(	const struct in_addr *	a,
		const struct in_addr *	b
	)			[static]

Definition at line 80 of file ipcalc.h.

Referenced by avl_comp_ipv4(), avl_comp_ipv4_prefix(), chk_if_changed(), ipc_action(), ipcmp(), and mapwrite_work().

static INLINE const char* ip6_to_string	(	struct ipaddr_str *const	buf,
		const struct in6_addr *const	addr6
	)			[static]

Definition at line 149 of file ipcalc.h.

References AF_INET6, ipaddr_str::buf, and inet_ntop().

Referenced by chk_if_changed(), os_init_interface(), parse_cfg_interface(), and txtinfo_interfaces().

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static INLINE int ip6cmp	(	const struct in6_addr *	a,
		const struct in6_addr *	b
	)			[static]

Definition at line 86 of file ipcalc.h.

Referenced by avl_comp_ipv6(), avl_comp_ipv6_addr_origin(), avl_comp_ipv6_prefix(), avl_comp_ipv6_prefix_origin(), chk_if_changed(), ipcmp(), and mapwrite_work().

int ip_in_net	(	const union olsr_ip_addr *	ipaddr,
		const struct olsr_ip_prefix *	net,
		int	ip_version
	)

Definition at line 179 of file ipcalc.c.

References ARM_NOWARN_ALIGN, olsr_ip_prefix::prefix, olsr_ip_prefix::prefix_len, prefix_to_netmask4(), in6_addr::s6_addr, olsr_ip_addr::v4, and olsr_ip_addr::v6.

Referenced by get_ipv6_address(), and ip_acl_acceptable().

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static INLINE bool ip_is_linklocal

(

const union olsr_ip_addr *

ip

)

[static]

Definition at line 217 of file ipcalc.h.

References AF_INET6, olsr_config::ip_version, olsr_cnf, in6_addr::s6_addr, and olsr_ip_addr::v6.

void EXPORT() ip_map_4to6

(

union olsr_ip_addr *

ip

)

Definition at line 85 of file ipcalc.c.

References in6_addr::s6_addr, olsr_ip_addr::v4, and olsr_ip_addr::v6.

Referenced by ip_acl_plugin_parse().

static INLINE bool ip_prefix_is_mappedv4

(

const struct olsr_ip_prefix *

prefix

)

[static]

Definition at line 223 of file ipcalc.h.

References ipv6_mappedv4_route, and olsr_ip_prefix::prefix_len.

static INLINE bool ip_prefix_is_mappedv4_inetgw

(

const struct olsr_ip_prefix *

prefix

)

[static]

Definition at line 229 of file ipcalc.h.

References ipv6_mappedv4_route, and olsr_ip_prefix::prefix_len.

Referenced by is_prefix_inetgw(), and olsr_os_niit_6to4_route().

static INLINE bool ip_prefix_is_v4_inetgw

(

const struct olsr_ip_prefix *

prefix

)

[static]

Definition at line 235 of file ipcalc.h.

References ipv4_internet_route, olsr_ip_prefix::prefix, olsr_ip_prefix::prefix_len, and olsr_ip_addr::v4.

Referenced by is_prefix_inetgw(), and olsr_os_niit_4to6_route().

static INLINE bool ip_prefix_is_v6_inetgw

(

const struct olsr_ip_prefix *

prefix

)

[static]

Definition at line 241 of file ipcalc.h.

References ipv6_internet_route, and olsr_ip_prefix::prefix_len.

Referenced by is_prefix_inetgw().

const char* EXPORT() ip_prefix_to_string	(	int	af,
		struct ipprefix_str *const	buf,
		const struct olsr_ip_prefix *	prefix
	)

Definition at line 165 of file ipcalc.c.

References ipprefix_str::buf, inet_ntop(), olsr_ip_prefix::prefix, and olsr_ip_prefix::prefix_len.

Referenced by olsr_ip_prefix_to_string(), and olsr_write_cnf_buf().

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static INLINE const char* ip_to_string	(	int	af,
		struct ipaddr_str *const	buf,
		const union olsr_ip_addr *	addr
	)			[static]

Definition at line 169 of file ipcalc.h.

References ipaddr_str::buf, and inet_ntop().

Referenced by olsr_ip_to_string(), parse_cfg_hna(), and parse_cfg_interface().

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static INLINE int ipcmp	(	int	ip_version,
		const union olsr_ip_addr *	a,
		const union olsr_ip_addr *	b
	)			[static]

Definition at line 92 of file ipcalc.h.

References ip4cmp(), ip6cmp(), olsr_ip_addr::v4, and olsr_ip_addr::v6.

Referenced by ip_prefix_list_find(), ip_prefix_list_remove(), and olsr_ipcmp().

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bool is_prefix_inetgw

(

const struct olsr_ip_prefix *

prefix

)

Definition at line 251 of file ipcalc.c.

References AF_INET6, ip_prefix_is_mappedv4_inetgw(), ip_prefix_is_v4_inetgw(), ip_prefix_is_v6_inetgw(), olsr_config::ip_version, and olsr_cnf.

Referenced by olsr_os_process_rt_entry().

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static INLINE bool is_prefix_niit_ipv6

(

const struct olsr_ip_prefix *

p

)

[static]

Definition at line 204 of file ipcalc.h.

References AF_INET6, olsr_config::ip_version, ipv6_mappedv4_route, olsr_cnf, olsr_ip_prefix::prefix, olsr_ip_prefix::prefix_len, and olsr_ip_addr::v6.

uint8_t EXPORT() netmask_to_prefix	(	const uint8_t *	,
		int
	)

Definition at line 112 of file ipcalc.c.

References olsr_ip_prefix::prefix.

Referenced by olsr_netmask4_to_prefix(), olsr_netmask6_to_prefix(), olsr_netmask_to_prefix(), parse_cfg_hna(), and pkt_get_prefixlen().

static INLINE const char* olsr_ip_prefix_to_string	(	struct ipprefix_str *const	buf,
		const struct olsr_ip_prefix *	prefix
	)			[static]

Definition at line 183 of file ipcalc.h.

References ip_prefix_to_string(), olsr_config::ip_version, and olsr_cnf.

Referenced by allowed_ip(), build_config_body(), ipc_print_net(), olsr_expire_hna_net_entry(), olsr_new_netlink_route(), olsr_os_inetgw_tunnel_route(), olsr_os_niit_4to6_route(), olsr_os_niit_6to4_route(), olsr_print_hna_set(), olsr_print_routing_table(), olsr_rt_to_string(), olsr_rtp_to_string(), txtinfo_hna(), and txtinfo_routes().

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static INLINE const char* olsr_ip_to_string	(	struct ipaddr_str *const	buf,
		const union olsr_ip_addr *	addr
	)			[static]

Definition at line 175 of file ipcalc.h.

References ip_to_string(), olsr_config::ip_version, and olsr_cnf.

Referenced by add_interface(), add_link_entry(), add_lost_interface_ip(), allowed_hostname_or_ip_in_service(), allowed_ip(), arproaming_client_add(), arproaming_client_update(), BmfEncapsulationPacketReceived(), BmfPacketCaptured(), BmfTunPacketCaptured(), build_config_body(), build_ipaddr_link(), build_mid_body(), build_neigh_body(), check_gw(), chk_if_changed(), create_packet(), debuginfo_print_trafficip(), decap_namemsg(), DoBmf(), FindNeighbors(), hello_tap(), insert_new_name_in_list(), internal_delete_tc_edge_entry(), ipc_print_neigh_link(), ipc_print_net(), ipc_print_tc_link(), join_mcast(), lookup_link_entry(), lookup_timestamp_entry(), lq_etxff_packet_parser(), lq_etxff_timer(), main(), mapwrite_work(), olsr_add_invalid_address(), olsr_add_nbr2_entry(), olsr_add_nbr_entry(), olsr_add_tc_edge_entry(), olsr_add_tc_entry(), olsr_calculate_routing_table(), olsr_com_handle_htmlsite(), olsr_com_handle_txtcommand(), olsr_com_parse_connection(), olsr_com_parse_request(), olsr_delete_link_entry_by_if(), olsr_delete_nbr2_entry(), olsr_delete_nbr_entry(), olsr_delete_routing_table(), olsr_delete_tc_entry(), olsr_expire_hna_net_entry(), olsr_expire_mid_entries(), olsr_expire_tc_edge_gc(), olsr_expire_tc_entry(), olsr_fixup_mid_main_addr(), olsr_flush_hna_nets(), olsr_flush_nbr2_duplicates(), olsr_forward_message(), olsr_input(), olsr_input_hna(), olsr_input_mid(), olsr_input_tc(), olsr_insert_mid_entry(), olsr_insert_routing_table(), olsr_is_duplicate_message(), olsr_msg_statistics(), olsr_namesvc_delete_db_entry(), olsr_new_netlink_route(), olsr_os_process_rt_entry(), olsr_parser(), olsr_print_duplicate_table(), olsr_print_hna_set(), olsr_print_link_set(), olsr_print_mid_set(), olsr_print_neighbor_table(), olsr_print_routing_table(), olsr_print_tc_table(), olsr_rt_to_string(), olsr_rtp_to_string(), olsr_spf_add_cand_tree(), olsr_spf_add_path_list(), olsr_spf_del_cand_tree(), olsr_spf_relax(), olsr_tc_edge_to_string(), olsr_update_nbr_status(), olsr_validate_address(), parse_challenge(), parse_cres(), parse_http_request(), parse_packet(), parse_rres(), remove_lost_interface_ip(), remove_nonvalid_names_from_list(), secure_preprocessor(), select_best_nameserver(), send_challenge(), send_cres(), send_rres(), timeout_timestamps(), txtinfo_hna(), txtinfo_link(), txtinfo_mid(), txtinfo_neigh(), txtinfo_neigh2(), txtinfo_routes(), txtinfo_topology(), update_name_entry(), validate_packet(), write_hosts_file(), write_resolv_file(), and write_services_file().

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static INLINE int olsr_ipcmp	(	const union olsr_ip_addr *	a,
		const union olsr_ip_addr *	b
	)			[static]

Definition at line 98 of file ipcalc.h.

References olsr_config::ip_version, ipcmp(), and olsr_cnf.

Referenced by add_interface(), allowed_ip(), BmfPacketCaptured(), BmfTunPacketCaptured(), check_link_status(), check_neighbor_link(), debuginfo_print_trafficip(), decap_namemsg(), FindNeighbors(), generate_hello(), generate_mid(), hello_tap(), if_ifwithaddr(), insert_new_name_in_list(), lookup_link_entry(), lookup_mpr_status(), lookup_name_latlon(), lookup_position_latlon(), name_init(), olsr_add_tc_entry(), olsr_change_myself_tc(), olsr_cmp_rtp(), olsr_enqueue_rt(), olsr_nh_change(), olsr_os_process_rt_entry(), olsr_output_lq_tc_internal(), olsr_parser(), parse_packet(), set_loss_link_multiplier(), and txtinfo_mid().

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static INLINE uint8_t olsr_netmask4_to_prefix

(

const uint32_t *

a

)

[static]

Definition at line 132 of file ipcalc.h.

References netmask_to_prefix().

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static INLINE uint8_t olsr_netmask6_to_prefix

(

const struct in6_addr *

a

)

[static]

Definition at line 137 of file ipcalc.h.

References netmask_to_prefix().

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static INLINE uint8_t olsr_netmask_to_prefix

(

const union olsr_ip_addr *

adr

)

[static]

Definition at line 126 of file ipcalc.h.

References olsr_config::ipsize, netmask_to_prefix(), olsr_cnf, in6_addr::s6_addr, and olsr_ip_addr::v6.

Referenced by check_for_route(), check_ping_result(), ip_acl_plugin_parse(), looped_checks(), olsr_event(), olsr_parser(), olsrd_plugin_init(), set_plugin_hna(), and yyparse().

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static INLINE int olsr_prefix_to_netmask	(	union olsr_ip_addr *	adr,
		uint8_t	prefixlen
	)			[static]

Definition at line 118 of file ipcalc.h.

References olsr_config::ipsize, olsr_cnf, prefix_to_netmask(), in6_addr::s6_addr, and olsr_ip_addr::v6.

Referenced by add_del_route(), add_del_route6(), allowed_ip(), check_gw(), generate_hna(), os_route_add_rtentry(), os_route_del_rtentry(), and yyparse().

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static INLINE const char* olsr_sockaddr_to_string	(	struct ipaddr_str *const	buf,
		const union olsr_sockaddr *	s
	)			[static]

Definition at line 155 of file ipcalc.h.

References AF_INET6, ipaddr_str::buf, inet_ntop(), sockaddr_in6::sin6_addr, olsr_sockaddr::storage, strscpy(), olsr_sockaddr::v4, and olsr_sockaddr::v6.

Referenced by build_config_body(), join_mcast(), mapwrite_work(), and net_output().

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static INLINE struct olsr_ip_prefix* prefix_mappedv4_to_v4	(	struct olsr_ip_prefix *	v4,
		const struct olsr_ip_prefix *	v6
	)			[static, read]

Definition at line 210 of file ipcalc.h.

References olsr_ip_prefix::prefix, olsr_ip_prefix::prefix_len, in6_addr::s6_addr, olsr_ip_addr::v4, and olsr_ip_addr::v6.

int EXPORT() prefix_to_netmask	(	uint8_t *	,
		int	,
		uint8_t
	)

Definition at line 93 of file ipcalc.c.

References MIN.

Referenced by olsr_prefix_to_netmask(), and pkt_put_prefixlen().

static INLINE uint32_t prefix_to_netmask4

(

uint8_t

prefixlen

)

[static]

Definition at line 194 of file ipcalc.h.

Referenced by ip_in_net().

const char* sockaddr_to_string	(	char *	buf,
		int	bufsize,
		const struct sockaddr *const	addr,
		unsigned int	addrsize
	)

Definition at line 228 of file ipcalc.c.

References AF_INET6, MIN, sockaddr4_to_string(), and sockaddr6_to_string().

Referenced by olsr_input().

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---

Variable Documentation

union olsr_ip_addr all_zero

Definition at line 60 of file ipcalc.c.

Referenced by add_interface(), arproaming_init(), olsr_add_tc_entry(), olsr_get_default_cfg(), olsr_sanity_check_cfg(), and set_loss_link_multiplier().

struct olsr_ip_prefix ipv4_internet_route

Definition at line 63 of file ipcalc.c.

Referenced by ip_prefix_is_v4_inetgw(), and olsr_os_inetgw_tunnel_route().

struct olsr_ip_prefix ipv6_internet_route

Definition at line 77 of file ipcalc.c.

Referenced by ip_prefix_is_v6_inetgw(), and olsr_os_inetgw_tunnel_route().

struct olsr_ip_prefix ipv6_mappedv4_route

Definition at line 70 of file ipcalc.c.

Referenced by ip_prefix_is_mappedv4(), ip_prefix_is_mappedv4_inetgw(), and is_prefix_niit_ipv6().