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authorNicolas Dichtel <nicolas.dichtel@6wind.com>2013-04-25 06:53:54 +0000
committerDavid S. Miller <davem@davemloft.net>2013-04-29 13:21:30 -0400
commite8d9612c181b1a68ba5f71384629343466f1bd13 (patch)
tree16093300e9da78c1c3e272283ae4886d7b3984e8 /include
parent76d0eeb1a1579453cfd7c4da22004d4b34187ab4 (diff)
sock_diag: allow to dump bpf filters
This patch allows to dump BPF filters attached to a socket with SO_ATTACH_FILTER. Note that we check CAP_SYS_ADMIN before allowing to dump this info. For now, only AF_PACKET sockets use this feature. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sock_diag.h3
-rw-r--r--include/uapi/linux/packet_diag.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h
index e8d702e0fd89..54f91d35e5fd 100644
--- a/include/linux/sock_diag.h
+++ b/include/linux/sock_diag.h
@@ -1,6 +1,7 @@
#ifndef __SOCK_DIAG_H__
#define __SOCK_DIAG_H__
+#include <linux/user_namespace.h>
#include <uapi/linux/sock_diag.h>
struct sk_buff;
@@ -22,5 +23,7 @@ int sock_diag_check_cookie(void *sk, __u32 *cookie);
void sock_diag_save_cookie(void *sk, __u32 *cookie);
int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attr);
+int sock_diag_put_filterinfo(struct user_namespace *user_ns, struct sock *sk,
+ struct sk_buff *skb, int attrtype);
#endif
diff --git a/include/uapi/linux/packet_diag.h b/include/uapi/linux/packet_diag.h
index c0802c18c8ad..b2cc0cd9c4d9 100644
--- a/include/uapi/linux/packet_diag.h
+++ b/include/uapi/linux/packet_diag.h
@@ -17,6 +17,7 @@ struct packet_diag_req {
#define PACKET_SHOW_RING_CFG 0x00000004 /* Rings configuration parameters */
#define PACKET_SHOW_FANOUT 0x00000008
#define PACKET_SHOW_MEMINFO 0x00000010
+#define PACKET_SHOW_FILTER 0x00000020
struct packet_diag_msg {
__u8 pdiag_family;
@@ -35,6 +36,7 @@ enum {
PACKET_DIAG_FANOUT,
PACKET_DIAG_UID,
PACKET_DIAG_MEMINFO,
+ PACKET_DIAG_FILTER,
__PACKET_DIAG_MAX,
};