/*
* net / tipc / diag . c : TIPC socket diag
*
* Copyright ( c ) 2018 , Ericsson AB
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions are met :
*
* 1 . Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* 2 . Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in the
* documentation and / or other materials provided with the distribution .
* 3 . Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission .
*
* Alternatively , this software may be distributed under the terms of the
* GNU General Public License ( " GPL " ) version 2 as published by the Free
* Software Foundation .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS " ASIS "
* AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT LIMITED TO , THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED . IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT , INDIRECT , INCIDENTAL , SPECIAL , EXEMPLARY , OR
* CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED TO , PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE , DATA , OR PROFITS ; OR BUSINESS
* INTERRUPTION ) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY , WHETHER IN
* CONTRACT , STRICT LIABILITY , OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE )
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE .
*/
#include "core.h"
#include "socket.h"
#include <linux/sock_diag.h>
#include <linux/tipc_sockets_diag.h>
static u64 __tipc_diag_gen_cookie(struct sock *sk)
{
u32 res[2 ];
sock_diag_save_cookie(sk, res);
return *((u64 *)res);
}
static int __tipc_add_sock_diag(struct sk_buff *skb,
struct netlink_callback *cb,
struct tipc_sock *tsk)
{
struct tipc_sock_diag_req *req = nlmsg_data(cb->nlh);
struct nlmsghdr *nlh;
int err;
nlh = nlmsg_put_answer(skb, cb, SOCK_DIAG_BY_FAMILY, 0 ,
NLM_F_MULTI);
if (!nlh)
return -EMSGSIZE;
err = tipc_sk_fill_sock_diag(skb, cb, tsk, req->tidiag_states,
__tipc_diag_gen_cookie);
if (err)
return err;
nlmsg_end(skb, nlh);
return 0 ;
}
static int tipc_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
{
return tipc_nl_sk_walk(skb, cb, __tipc_add_sock_diag);
}
static int tipc_sock_diag_handler_dump(struct sk_buff *skb,
struct nlmsghdr *h)
{
int hdrlen = sizeof (struct tipc_sock_diag_req);
struct net *net = sock_net(skb->sk);
if (nlmsg_len(h) < hdrlen)
return -EINVAL;
if (h->nlmsg_flags & NLM_F_DUMP) {
struct netlink_dump_control c = {
.start = tipc_dump_start,
.dump = tipc_diag_dump,
.done = tipc_dump_done,
};
netlink_dump_start(net->diag_nlsk, skb, h, &c);
return 0 ;
}
return -EOPNOTSUPP;
}
static const struct sock_diag_handler tipc_sock_diag_handler = {
.owner = THIS_MODULE,
.family = AF_TIPC,
.dump = tipc_sock_diag_handler_dump,
};
static int __init tipc_diag_init(void )
{
return sock_diag_register(&tipc_sock_diag_handler);
}
static void __exit tipc_diag_exit(void )
{
sock_diag_unregister(&tipc_sock_diag_handler);
}
module_init(tipc_diag_init);
module_exit(tipc_diag_exit);
MODULE_LICENSE("Dual BSD/GPL" );
MODULE_DESCRIPTION("TIPC socket monitoring via SOCK_DIAG" );
MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, AF_TIPC);
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-28)
¤
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