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Audit: collect sessionid in netlink messages

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Previously I added sessionid output to all audit messages where it was
available but we still didn't know the sessionid of the sender of
netlink messages.  This patch adds that information to netlink messages
so we can audit who sent netlink messages.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Eric Paris
2008-04-18 10:09:25 -04:00
committed by Al Viro
parent 436c405c7d
commit 2532386f48
17 changed files with 132 additions and 87 deletions
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3
include/linux/audit.h
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@@ -569,7 +569,8 @@ extern int audit_update_lsm_rules(void);
extern int audit_filter_user(struct netlink_skb_parms *cb, int type);
extern int audit_filter_type(int type);
extern int audit_receive_filter(int type, int pid, int uid, int seq,
void *data, size_t datasz, uid_t loginuid, u32 sid);
void *data, size_t datasz, uid_t loginuid,
u32 sessionid, u32 sid);
extern int audit_enabled;
#else
#define audit_log(c,g,t,f,...) do { ; } while (0)

1
include/linux/netlink.h
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@@ -166,6 +166,7 @@ struct netlink_skb_parms
__u32 dst_group;
kernel_cap_t eff_cap;
__u32 loginuid; /* Login (audit) uid */
__u32 sessionid; /* Session id (audit) */
__u32 sid; /* SELinux security id */
};

4
include/linux/tty.h
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@@ -351,7 +351,7 @@ extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
extern void tty_audit_exit(void);
extern void tty_audit_fork(struct signal_struct *sig);
extern void tty_audit_push(struct tty_struct *tty);
extern void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid);
extern void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid, u32 sessionid);
extern void tty_audit_opening(void);
#else
static inline void tty_audit_add_data(struct tty_struct *tty,
@@ -367,7 +367,7 @@ static inline void tty_audit_fork(struct signal_struct *sig)
static inline void tty_audit_push(struct tty_struct *tty)
{
}
static inline void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid)
static inline void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid, u32 sessionid)
{
}
static inline void tty_audit_opening(void)