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Macros
#define	BLOCK_DNS_IFACE_METRIC 3

Typedefs
typedef void(*	block_dns_msg_handler_t) (DWORD err, const char *msg)

Functions
DWORD	delete_block_dns_filters (HANDLE engine)

DWORD	add_block_dns_filters (HANDLE engine, int iface_index, const WCHAR exe_path, block_dns_msg_handler_t msg_handler_callback)

int	get_interface_metric (const NET_IFINDEX index, const ADDRESS_FAMILY family, int *is_auto)
	Return interface metric value for the specified interface index. More...

DWORD	set_interface_metric (const NET_IFINDEX index, const ADDRESS_FAMILY family, const ULONG metric)
	Sets interface metric value for specified interface index. More...

Macro Definition Documentation

◆ BLOCK_DNS_IFACE_METRIC

#define BLOCK_DNS_IFACE_METRIC 3

Definition at line 30 of file block_dns.h.

Typedef Documentation

◆ block_dns_msg_handler_t

typedef void(* block_dns_msg_handler_t) (DWORD err, const char *msg)

Definition at line 32 of file block_dns.h.

Function Documentation

◆ add_block_dns_filters()

DWORD add_block_dns_filters	(	HANDLE *	engine,
		int	iface_index,
		const WCHAR *	exe_path,
		block_dns_msg_handler_t	msg_handler_callback
	)

Definition at line 174 of file block_dns.c.

References add_sublayer(), CHECK_ERROR, default_msg_handler(), FIREWALL_NAME, FWPM_SESSION_FLAG_DYNAMIC, and UINT64.

Referenced by AddBlockDNS(), and win_wfp_block_dns().

◆ delete_block_dns_filters()

DWORD delete_block_dns_filters ( HANDLE engine )

Definition at line 325 of file block_dns.c.

Referenced by AddBlockDNS(), DeleteBlockDNS(), Undo(), and win_wfp_uninit().

◆ get_interface_metric()

int get_interface_metric	(	const NET_IFINDEX	index,
		const ADDRESS_FAMILY	family,
		int *	is_auto
	)

Return interface metric value for the specified interface index.

Parameters

index	The index of TAP adapter.
family	Address family (AF_INET for IPv4 and AF_INET6 for IPv6).
is_auto	On return set to true if automatic metric is in use. Unused if NULL.

Returns: positive interface metric on success or -1 on error

Definition at line 350 of file block_dns.c.

Referenced by adapter_index_of_ip(), AddBlockDNS(), and win_wfp_block_dns().

◆ set_interface_metric()

DWORD set_interface_metric	(	const NET_IFINDEX	index,
		const ADDRESS_FAMILY	family,
		const ULONG	metric
	)

Sets interface metric value for specified interface index.

Parameters

index	The index of TAP adapter
family	Address family (AF_INET for IPv4 and AF_INET6 for IPv6)
metric	Metric value. 0 for automatic metric

Returns: 0 on success, a non-zero status code of the last failed action on failure.

Definition at line 389 of file block_dns.c.

Referenced by AddBlockDNS(), DeleteBlockDNS(), Undo(), win_wfp_block_dns(), and win_wfp_uninit().

Macros

Typedefs

Functions