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unix_diag: Unix inode info NLA

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Actually, the socket path if it's not anonymous doesn't give
a clue to which file the socket is bound to. Even if the path
is absolute, it can be unlinked and then new socket can be
bound to it.

With this NLA it's possible to check which file a particular
socket is really bound to.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov
2011-12-15 02:45:43 +00:00
committed by David S. Miller
parent f5248b48a6
commit 5f7b056946
2 changed files with 28 additions and 0 deletions
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7
include/linux/unix_diag.h
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@@ -12,6 +12,7 @@ struct unix_diag_req {
};
#define UDIAG_SHOW_NAME 0x00000001 /* show name (not path) */
#define UDIAG_SHOW_VFS 0x00000002 /* show VFS inode info */
struct unix_diag_msg {
__u8 udiag_family;
@@ -25,8 +26,14 @@ struct unix_diag_msg {
enum {
UNIX_DIAG_NAME,
UNIX_DIAG_VFS,
UNIX_DIAG_MAX,
};
struct unix_diag_vfs {
__u32 udiag_vfs_ino;
__u32 udiag_vfs_dev;
};
#endif