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authorJohn Johansen <john.johansen@canonical.com>2017-06-09 08:14:28 -0700
committerJohn Johansen <john.johansen@canonical.com>2017-06-10 17:11:38 -0700
commit637f688dc3dc304a89f441d76f49a0e35bc49c08 (patch)
tree78fee8a7aa212140c4c6b6a9b722bbba61802cab /security/apparmor/ipc.c
parentf1bd904175e8190ce14aedee37e207ab51fe3b30 (diff)
downloadlinux-stericsson-637f688dc3dc304a89f441d76f49a0e35bc49c08.tar.gz
apparmor: switch from profiles to using labels on contexts
Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
Diffstat (limited to 'security/apparmor/ipc.c')
-rw-r--r--security/apparmor/ipc.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/security/apparmor/ipc.c b/security/apparmor/ipc.c
index edac790923c3..fa68cd42bd15 100644
--- a/security/apparmor/ipc.c
+++ b/security/apparmor/ipc.c
@@ -22,11 +22,12 @@
#include "include/ipc.h"
/* call back to audit ptrace fields */
-static void audit_cb(struct audit_buffer *ab, void *va)
+static void audit_ptrace_cb(struct audit_buffer *ab, void *va)
{
struct common_audit_data *sa = va;
audit_log_format(ab, " peer=");
- audit_log_untrustedstring(ab, aad(sa)->peer->base.hname);
+ aa_label_xaudit(ab, labels_ns(aad(sa)->label), aad(sa)->peer,
+ FLAGS_NONE, GFP_ATOMIC);
}
/**
@@ -42,10 +43,10 @@ static int aa_audit_ptrace(struct aa_profile *profile,
{
DEFINE_AUDIT_DATA(sa, LSM_AUDIT_DATA_NONE, OP_PTRACE);
- aad(&sa)->peer = target;
+ aad(&sa)->peer = &target->label;
aad(&sa)->error = error;
- return aa_audit(AUDIT_APPARMOR_AUTO, profile, &sa, audit_cb);
+ return aa_audit(AUDIT_APPARMOR_AUTO, profile, &sa, audit_ptrace_cb);
}
/**
@@ -64,7 +65,7 @@ int aa_may_ptrace(struct aa_profile *tracer, struct aa_profile *tracee,
* Test mode for PTRACE_MODE_READ || PTRACE_MODE_ATTACH
*/
- if (unconfined(tracer) || tracer == tracee)
+ if (profile_unconfined(tracer) || tracer == tracee)
return 0;
/* log this capability request */
return aa_capable(tracer, CAP_SYS_PTRACE, 1);
@@ -90,18 +91,22 @@ int aa_ptrace(struct task_struct *tracer, struct task_struct *tracee,
* - tracer profile has CAP_SYS_PTRACE
*/
- struct aa_profile *tracer_p = aa_get_task_profile(tracer);
+ struct aa_label *tracer_l = aa_get_task_label(tracer);
int error = 0;
- if (!unconfined(tracer_p)) {
- struct aa_profile *tracee_p = aa_get_task_profile(tracee);
+ if (!unconfined(tracer_l)) {
+ struct aa_label *tracee_l = aa_get_task_label(tracee);
- error = aa_may_ptrace(tracer_p, tracee_p, mode);
- error = aa_audit_ptrace(tracer_p, tracee_p, error);
+ error = aa_may_ptrace(labels_profile(tracer_l),
+ labels_profile(tracee_l),
+ mode);
+ error = aa_audit_ptrace(labels_profile(tracer_l),
+ labels_profile(tracee_l),
+ error);
- aa_put_profile(tracee_p);
+ aa_put_label(tracee_l);
}
- aa_put_profile(tracer_p);
+ aa_put_label(tracer_l);
return error;
}