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51d7cccf07
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" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Pavel Emelyanov <xemul@parallels.com>
CC: Eric Dumazet <eric.dumazet@gmail.com>
Cc: linux-kernel@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Andrew Vagin <avagin@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
#ifndef __SOCK_DIAG_H__
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#define __SOCK_DIAG_H__
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#include <linux/types.h>
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#define SOCK_DIAG_BY_FAMILY 20
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struct sock_diag_req {
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__u8 sdiag_family;
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__u8 sdiag_protocol;
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};
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enum {
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SK_MEMINFO_RMEM_ALLOC,
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SK_MEMINFO_RCVBUF,
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SK_MEMINFO_WMEM_ALLOC,
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SK_MEMINFO_SNDBUF,
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SK_MEMINFO_FWD_ALLOC,
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SK_MEMINFO_WMEM_QUEUED,
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SK_MEMINFO_OPTMEM,
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SK_MEMINFO_BACKLOG,
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SK_MEMINFO_VARS,
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};
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#ifdef __KERNEL__
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struct sk_buff;
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struct nlmsghdr;
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struct sock;
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struct sock_diag_handler {
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__u8 family;
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int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh);
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};
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int sock_diag_register(const struct sock_diag_handler *h);
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void sock_diag_unregister(const struct sock_diag_handler *h);
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void sock_diag_register_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
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void sock_diag_unregister_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
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int sock_diag_check_cookie(void *sk, __u32 *cookie);
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void sock_diag_save_cookie(void *sk, __u32 *cookie);
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int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attr);
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#endif /* KERNEL */
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#endif
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