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| author |   Nicolas Dichtel <nicolas.dichtel@6wind.com> | 2013-04-25 06:53:54 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-04-29 13:21:30 -0400 |
| commit | e8d9612c181b1a68ba5f71384629343466f1bd13 (patch) | |
| tree | 16093300e9da78c1c3e272283ae4886d7b3984e8 /include | |
| parent | packet_diag: disclose meminfo values (diff) | |
| download | linux-dev-e8d9612c181b1a68ba5f71384629343466f1bd13.tar.xz linux-dev-e8d9612c181b1a68ba5f71384629343466f1bd13.zip | |
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.h | 3 | ||||
| -rw-r--r-- | include/uapi/linux/packet_diag.h | 2 |
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, }; |