A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 03:01:39 -04:00
Code Issues Projects Releases Packages Wiki Activity

net: make sock diag per-namespace

Browse source 
Before this patch sock_diag works for init_net only and dumps
information about sockets from all namespaces.

This patch expands sock_diag for all name-spaces.
It creates a netlink kernel socket for each netns and filters
data during dumping.

v2: filter accoding with netns in all places
    remove an unused variable.

Cc: "David S. Miller" <[email protected]>
Cc: Alexey Kuznetsov <[email protected]>
Cc: James Morris <[email protected]>
Cc: Hideaki YOSHIFUJI <[email protected]>
Cc: Patrick McHardy <[email protected]>
Cc: Pavel Emelyanov <[email protected]>
CC: Eric Dumazet <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Andrew Vagin <[email protected]>
Acked-by: Pavel Emelyanov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Andrey Vagin 2012-07-16 04:28:49 +00:00 • committed by David S. Miller
commit 51d7cccf07
6 changed files with 51 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

9
net/unix/diag.c
View file

@ -177,6 +177,7 @@ static int unix_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
{
struct unix_diag_req *req;
int num, s_num, slot, s_slot;
struct net *net = sock_net(skb->sk);
req = nlmsg_data(cb->nlh);
@ -192,6 +193,8 @@ static int unix_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
num = 0;
sk_for_each(sk, node, &unix_socket_table[slot]) {
if (!net_eq(sock_net(sk), net))
continue;
if (num < s_num)
goto next;
if (!(req->udiag_states & (1 << sk->sk_state)))
@ -243,6 +246,7 @@ static int unix_diag_get_exact(struct sk_buff *in_skb,
struct sock *sk;
struct sk_buff *rep;
unsigned int extra_len;
struct net *net = sock_net(in_skb->sk);
if (req->udiag_ino == 0)
goto out_nosk;
@ -273,7 +277,7 @@ again:
goto again;
}
err = netlink_unicast(sock_diag_nlsk, rep, NETLINK_CB(in_skb).pid,
err = netlink_unicast(net->diag_nlsk, rep, NETLINK_CB(in_skb).pid,
MSG_DONTWAIT);
if (err > 0)
err = 0;
@ -287,6 +291,7 @@ out_nosk:
static int unix_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h)
{
int hdrlen = sizeof(struct unix_diag_req);
struct net *net = sock_net(skb->sk);
if (nlmsg_len(h) < hdrlen)
return -EINVAL;
@ -295,7 +300,7 @@ static int unix_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h)
struct netlink_dump_control c = {
.dump = unix_diag_dump,
};
return netlink_dump_start(sock_diag_nlsk, skb, h, &c);
return netlink_dump_start(net->diag_nlsk, skb, h, &c);
} else
return unix_diag_get_exact(skb, h, nlmsg_data(h));
}