diff options
| author | Phil Sutter | 2017-07-19 16:32:23 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso | 2017-07-24 13:25:07 +0200 |
| commit | 784b4e612d42a2b7578d7fab2ed78940e10536bc (patch) | |
| tree | 4daeec6a42ba987b68ebbb161eeb056e00c87db3 /net/netfilter/nf_tables_api.c | |
| parent | netfilter: Remove duplicated rcu_read_lock. (diff) | |
| download | kernel-qcow2-linux-784b4e612d42a2b7578d7fab2ed78940e10536bc.tar.gz kernel-qcow2-linux-784b4e612d42a2b7578d7fab2ed78940e10536bc.tar.xz kernel-qcow2-linux-784b4e612d42a2b7578d7fab2ed78940e10536bc.zip | |
netfilter: nf_tables: Attach process info to NFT_MSG_NEWGEN notifications
This is helpful for 'nft monitor' to track which process caused a given
change to the ruleset.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_tables_api.c')
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 7fbf0070aba1..b77ad0813564 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4657,6 +4657,7 @@ static int nf_tables_fill_gen_info(struct sk_buff *skb, struct net *net, { struct nlmsghdr *nlh; struct nfgenmsg *nfmsg; + char buf[TASK_COMM_LEN]; int event = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, NFT_MSG_NEWGEN); nlh = nlmsg_put(skb, portid, seq, event, sizeof(struct nfgenmsg), 0); @@ -4668,7 +4669,9 @@ static int nf_tables_fill_gen_info(struct sk_buff *skb, struct net *net, nfmsg->version = NFNETLINK_V0; nfmsg->res_id = htons(net->nft.base_seq & 0xffff); - if (nla_put_be32(skb, NFTA_GEN_ID, htonl(net->nft.base_seq))) + if (nla_put_be32(skb, NFTA_GEN_ID, htonl(net->nft.base_seq)) || + nla_put_be32(skb, NFTA_GEN_PROC_PID, htonl(task_pid_nr(current))) || + nla_put_string(skb, NFTA_GEN_PROC_NAME, get_task_comm(buf, current))) goto nla_put_failure; nlmsg_end(skb, nlh); |