mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#undef TRACE_SYSTEM
|
||
|
|
#define TRACE_SYSTEM capability
|
||
|
|
|
||
|
|
#if !defined(_TRACE_CAPABILITY_H) || defined(TRACE_HEADER_MULTI_READ)
|
||
|
|
#define _TRACE_CAPABILITY_H
|
||
|
|
|
||
|
|
#include <linux/cred.h>
|
||
|
|
#include <linux/tracepoint.h>
|
||
|
|
#include <linux/user_namespace.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* cap_capable - called after it's determined if a task has a particular
|
||
|
|
* effective capability
|
||
|
|
*
|
||
|
|
* @cred: The credentials used
|
||
|
|
* @target_ns: The user namespace of the resource being accessed
|
||
|
|
* @capable_ns: The user namespace in which the credential provides the
|
||
|
|
* capability to access the targeted resource.
|
||
|
|
* This will be NULL if ret is not 0.
|
||
|
|
* @cap: The capability to check for
|
||
|
|
* @ret: The return value of the check: 0 if it does, -ve if it does not
|
||
|
|
*
|
||
|
|
* Allows to trace calls to cap_capable in commoncap.c
|
||
|
|
*/
|
||
|
|
TRACE_EVENT(cap_capable,
|
||
|
|
|
||
|
|
TP_PROTO(const struct cred *cred, struct user_namespace *target_ns,
|
||
|
|
const struct user_namespace *capable_ns, int cap, int ret),
|
||
|
|
|
||
|
|
TP_ARGS(cred, target_ns, capable_ns, cap, ret),
|
||
|
|
|
||
|
|
TP_STRUCT__entry(
|
||
|
|
__field(const struct cred *, cred)
|
||
|
|
__field(struct user_namespace *, target_ns)
|
||
|
|
__field(const struct user_namespace *, capable_ns)
|
||
|
|
__field(int, cap)
|
||
|
|
__field(int, ret)
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_fast_assign(
|
||
|
|
__entry->cred = cred;
|
||
|
|
__entry->target_ns = target_ns;
|
||
|
|
__entry->capable_ns = ret == 0 ? capable_ns : NULL;
|
||
|
|
__entry->cap = cap;
|
||
|
|
__entry->ret = ret;
|
||
|
|
),
|
||
|
|
|
||
|
|
TP_printk("cred %p, target_ns %p, capable_ns %p, cap %d, ret %d",
|
||
|
|
__entry->cred, __entry->target_ns, __entry->capable_ns, __entry->cap,
|
||
|
|
__entry->ret)
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif /* _TRACE_CAPABILITY_H */
|
||
|
|
|
||
|
|
/* This part must be outside protection */
|
||
|
|
#include <trace/define_trace.h>
|