96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
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/*
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* udp_diag.c Module for monitoring UDP transport protocols sockets.
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*
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* Authors: Pavel Emelyanov, <xemul@parallels.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/module.h>
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#include <linux/inet_diag.h>
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#include <linux/udp.h>
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#include <net/udp.h>
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#include <net/udplite.h>
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#include <linux/inet_diag.h>
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#include <linux/sock_diag.h>
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static int udp_dump_one(struct udp_table *tbl, struct sk_buff *in_skb,
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const struct nlmsghdr *nlh, struct inet_diag_req *req)
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{
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return 0;
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}
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static void udp_dump(struct udp_table *table, struct sk_buff *skb, struct netlink_callback *cb,
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struct inet_diag_req *r, struct nlattr *bc)
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{
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}
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static void udp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
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struct inet_diag_req *r, struct nlattr *bc)
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{
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udp_dump(&udp_table, skb, cb, r, bc);
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}
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static int udp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
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struct inet_diag_req *req)
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{
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return udp_dump_one(&udp_table, in_skb, nlh, req);
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}
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static const struct inet_diag_handler udp_diag_handler = {
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.dump = udp_diag_dump,
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.dump_one = udp_diag_dump_one,
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.idiag_type = IPPROTO_UDP,
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};
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static void udplite_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
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struct inet_diag_req *r, struct nlattr *bc)
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{
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udp_dump(&udplite_table, skb, cb, r, bc);
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}
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static int udplite_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
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struct inet_diag_req *req)
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{
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return udp_dump_one(&udplite_table, in_skb, nlh, req);
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}
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static const struct inet_diag_handler udplite_diag_handler = {
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.dump = udplite_diag_dump,
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.dump_one = udplite_diag_dump_one,
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.idiag_type = IPPROTO_UDPLITE,
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};
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static int __init udp_diag_init(void)
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{
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int err;
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err = inet_diag_register(&udp_diag_handler);
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if (err)
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goto out;
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err = inet_diag_register(&udplite_diag_handler);
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if (err)
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goto out_lite;
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out:
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return err;
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out_lite:
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inet_diag_unregister(&udp_diag_handler);
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goto out;
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}
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static void __exit udp_diag_exit(void)
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{
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inet_diag_unregister(&udplite_diag_handler);
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inet_diag_unregister(&udp_diag_handler);
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}
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module_init(udp_diag_init);
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module_exit(udp_diag_exit);
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MODULE_LICENSE("GPL");
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MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, 17);
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MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, 136);
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