apparmor: combine common_audit_data and apparmor_audit_data

Everywhere where common_audit_data is used apparmor audit_data is also
used. We can simplify the code and drop the use of the aad macro
everywhere by combining the two structures.

Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen
2022-09-14 00:20:12 -07:00
parent 79ddd4a7c5
commit bd7bd201ca
15 changed files with 254 additions and 242 deletions
+12 -12
View File
@@ -51,7 +51,7 @@ static void audit_cb(struct audit_buffer *ab, void *va)
/**
* audit_caps - audit a capability
* @sa: audit data
* @as: audit data
* @profile: profile being tested for confinement (NOT NULL)
* @cap: capability tested
* @error: error code returned by test
@@ -59,9 +59,9 @@ static void audit_cb(struct audit_buffer *ab, void *va)
* Do auditing of capability and handle, audit/complain/kill modes switching
* and duplicate message elimination.
*
* Returns: 0 or sa->error on success, error code on failure
* Returns: 0 or ad->error on success, error code on failure
*/
static int audit_caps(struct common_audit_data *sa, struct aa_profile *profile,
static int audit_caps(struct apparmor_audit_data *ad, struct aa_profile *profile,
int cap, int error)
{
struct aa_ruleset *rules = list_first_entry(&profile->rules,
@@ -69,7 +69,7 @@ static int audit_caps(struct common_audit_data *sa, struct aa_profile *profile,
struct audit_cache *ent;
int type = AUDIT_APPARMOR_AUTO;
aad(sa)->error = error;
ad->error = error;
if (likely(!error)) {
/* test if auditing is being forced */
@@ -101,7 +101,7 @@ static int audit_caps(struct common_audit_data *sa, struct aa_profile *profile,
}
put_cpu_var(audit_cache);
return aa_audit(type, profile, sa, audit_cb);
return aa_audit(type, profile, ad, audit_cb);
}
/**
@@ -109,12 +109,12 @@ static int audit_caps(struct common_audit_data *sa, struct aa_profile *profile,
* @profile: profile being enforced (NOT NULL, NOT unconfined)
* @cap: capability to test if allowed
* @opts: CAP_OPT_NOAUDIT bit determines whether audit record is generated
* @sa: audit data (MAY BE NULL indicating no auditing)
* @ad: audit data (MAY BE NULL indicating no auditing)
*
* Returns: 0 if allowed else -EPERM
*/
static int profile_capable(struct aa_profile *profile, int cap,
unsigned int opts, struct common_audit_data *sa)
unsigned int opts, struct apparmor_audit_data *ad)
{
struct aa_ruleset *rules = list_first_entry(&profile->rules,
typeof(*rules), list);
@@ -132,10 +132,10 @@ static int profile_capable(struct aa_profile *profile, int cap,
/* audit the cap request in complain mode but note that it
* should be optional.
*/
aad(sa)->info = "optional: no audit";
ad->info = "optional: no audit";
}
return audit_caps(sa, profile, cap, error);
return audit_caps(ad, profile, cap, error);
}
/**
@@ -152,11 +152,11 @@ int aa_capable(struct aa_label *label, int cap, unsigned int opts)
{
struct aa_profile *profile;
int error = 0;
DEFINE_AUDIT_DATA(sa, LSM_AUDIT_DATA_CAP, AA_CLASS_CAP, OP_CAPABLE);
DEFINE_AUDIT_DATA(ad, LSM_AUDIT_DATA_CAP, AA_CLASS_CAP, OP_CAPABLE);
sa.u.cap = cap;
ad.common.u.cap = cap;
error = fn_for_each_confined(label, profile,
profile_capable(profile, cap, opts, &sa));
profile_capable(profile, cap, opts, &ad));
return error;
}