aboutsummaryrefslogtreecommitdiff
path: root/security/apparmor/ipc.c
diff options
context:
space:
mode:
Diffstat (limited to 'security/apparmor/ipc.c')
-rw-r--r--security/apparmor/ipc.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/security/apparmor/ipc.c b/security/apparmor/ipc.c
index 649fad88869..777ac1c4725 100644
--- a/security/apparmor/ipc.c
+++ b/security/apparmor/ipc.c
@@ -19,13 +19,14 @@
#include "include/capability.h"
#include "include/context.h"
#include "include/policy.h"
+#include "include/ipc.h"
/* call back to audit ptrace fields */
static void audit_cb(struct audit_buffer *ab, void *va)
{
struct common_audit_data *sa = va;
audit_log_format(ab, " target=");
- audit_log_untrustedstring(ab, sa->aad.target);
+ audit_log_untrustedstring(ab, sa->aad->target);
}
/**
@@ -40,10 +41,12 @@ static int aa_audit_ptrace(struct aa_profile *profile,
struct aa_profile *target, int error)
{
struct common_audit_data sa;
- COMMON_AUDIT_DATA_INIT(&sa, NONE);
- sa.aad.op = OP_PTRACE;
- sa.aad.target = target;
- sa.aad.error = error;
+ struct apparmor_audit_data aad = {0,};
+ sa.type = LSM_AUDIT_DATA_NONE;
+ sa.aad = &aad;
+ aad.op = OP_PTRACE;
+ aad.target = target;
+ aad.error = error;
return aa_audit(AUDIT_APPARMOR_AUTO, profile, GFP_ATOMIC, &sa,
audit_cb);
@@ -51,15 +54,14 @@ static int aa_audit_ptrace(struct aa_profile *profile,
/**
* aa_may_ptrace - test if tracer task can trace the tracee
- * @tracer_task: task who will do the tracing (NOT NULL)
* @tracer: profile of the task doing the tracing (NOT NULL)
* @tracee: task to be traced
* @mode: whether PTRACE_MODE_READ || PTRACE_MODE_ATTACH
*
* Returns: %0 else error code if permission denied or error
*/
-int aa_may_ptrace(struct task_struct *tracer_task, struct aa_profile *tracer,
- struct aa_profile *tracee, unsigned int mode)
+int aa_may_ptrace(struct aa_profile *tracer, struct aa_profile *tracee,
+ unsigned int mode)
{
/* TODO: currently only based on capability, not extended ptrace
* rules,
@@ -69,7 +71,7 @@ int aa_may_ptrace(struct task_struct *tracer_task, struct aa_profile *tracer,
if (unconfined(tracer) || tracer == tracee)
return 0;
/* log this capability request */
- return aa_capable(tracer_task, tracer, CAP_SYS_PTRACE, 1);
+ return aa_capable(tracer, CAP_SYS_PTRACE, 1);
}
/**
@@ -92,23 +94,18 @@ int aa_ptrace(struct task_struct *tracer, struct task_struct *tracee,
* - tracer profile has CAP_SYS_PTRACE
*/
- struct aa_profile *tracer_p;
- /* cred released below */
- const struct cred *cred = get_task_cred(tracer);
+ struct aa_profile *tracer_p = aa_get_task_profile(tracer);
int error = 0;
- tracer_p = aa_cred_profile(cred);
if (!unconfined(tracer_p)) {
- /* lcred released below */
- const struct cred *lcred = get_task_cred(tracee);
- struct aa_profile *tracee_p = aa_cred_profile(lcred);
+ struct aa_profile *tracee_p = aa_get_task_profile(tracee);
- error = aa_may_ptrace(tracer, tracer_p, tracee_p, mode);
+ error = aa_may_ptrace(tracer_p, tracee_p, mode);
error = aa_audit_ptrace(tracer_p, tracee_p, error);
- put_cred(lcred);
+ aa_put_profile(tracee_p);
}
- put_cred(cred);
+ aa_put_profile(tracer_p);
return error;
}