queue_msg.c File Reference

#include <sys/types.h>
#include <linux/netfilter/nfnetlink_queue.h>
#include <netlink-local.h>
#include <netlink/attr.h>
#include <netlink/netfilter/nfnl.h>
#include <netlink/netfilter/queue_msg.h>

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Macros
#define	NFNLMSG_QUEUE_TYPE(type)   NFNLMSG_TYPE(NFNL_SUBSYS_QUEUE, (type))

Functions
int	nfnlmsg_queue_msg_parse (struct nlmsghdr *nlh, struct nfnl_queue_msg **result)
struct nl_msg *	nfnl_queue_msg_build_verdict (const struct nfnl_queue_msg *msg)
int	nfnl_queue_msg_send_verdict (struct nl_sock *nlh, const struct nfnl_queue_msg *msg)
	Send a message verdict/mark. More...
int	nfnl_queue_msg_send_verdict_payload (struct nl_sock *nlh, const struct nfnl_queue_msg *msg, const void *payload_data, unsigned payload_len)
	Send a message verdict including the payload. More...

Macro Definition Documentation

#define NFNLMSG_QUEUE_TYPE

(

type

)

NFNLMSG_TYPE(NFNL_SUBSYS_QUEUE, (type))

Function Documentation

struct nl_msg* nfnl_queue_msg_build_verdict

(

const struct nfnl_queue_msg *

msg

)

References nfqnl_msg_verdict_hdr::id, nfnl_queue_msg_get_family(), nfnl_queue_msg_get_group(), nfnl_queue_msg_get_mark(), nfnl_queue_msg_get_packetid(), nfnl_queue_msg_get_verdict(), nfnl_queue_msg_test_mark(), NFNL_SUBSYS_QUEUE, nfnlmsg_alloc_simple(), NFQA_MARK, NFQA_VERDICT_HDR, NFQNL_MSG_VERDICT, nla_put(), nla_put_u32(), nlmsg_free(), NULL, and nfqnl_msg_verdict_hdr::verdict.

Referenced by nfnl_queue_msg_send_verdict(), and nfnl_queue_msg_send_verdict_payload().

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int nfnl_queue_msg_send_verdict	(	struct nl_sock *	nlh,
		const struct nfnl_queue_msg *	msg
	)

Send a message verdict/mark.

• nlh netlink messsage header
• msg queue msg

  Returns

  0 on OK or error code

References nfnl_queue_msg_build_verdict(), nl_send_auto_complete(), NLE_NOMEM, nlmsg_free(), and NULL.

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int nfnl_queue_msg_send_verdict_payload	(	struct nl_sock *	nlh,
		const struct nfnl_queue_msg *	msg,
		const void *	payload_data,
		unsigned	payload_len
	)

Send a message verdict including the payload.

• nlh netlink messsage header
• msg queue msg
• payload_data packet payload data
• payload_len payload length

  Returns

  0 on OK or error code

References nfnl_queue_msg_build_verdict(), NFQA_PAYLOAD, nl_auto_complete(), nl_send_iovec(), NLA_ALIGN, nlattr::nla_len, nlattr::nla_type, NLE_NOMEM, nlmsg_free(), nlmsg_hdr(), nlmsghdr::nlmsg_len, and NULL.

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