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>
This commit is contained in:
John Johansen
2017-06-09 08:14:28 -07:00
parent f1bd904175
commit 637f688dc3
20 changed files with 686 additions and 529 deletions

View File

@@ -26,6 +26,7 @@
#include "include/context.h"
#include "include/crypto.h"
#include "include/match.h"
#include "include/path.h"
#include "include/policy.h"
#include "include/policy_unpack.h"
@@ -107,7 +108,7 @@ static int audit_iface(struct aa_profile *new, const char *ns_name,
const char *name, const char *info, struct aa_ext *e,
int error)
{
struct aa_profile *profile = aa_current_raw_profile();
struct aa_profile *profile = labels_profile(aa_current_raw_label());
DEFINE_AUDIT_DATA(sa, LSM_AUDIT_DATA_NONE, NULL);
if (e)
aad(&sa)->iface.pos = e->pos - e->start;
@@ -602,7 +603,7 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name)
name = tmpname;
}
profile = aa_alloc_profile(name, GFP_KERNEL);
profile = aa_alloc_profile(name, NULL, GFP_KERNEL);
if (!profile)
return ERR_PTR(-ENOMEM);
@@ -635,7 +636,7 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name)
if (!unpack_u32(e, &tmp, NULL))
goto fail;
if (tmp & PACKED_FLAG_HAT)
profile->flags |= PFLAG_HAT;
profile->label.flags |= FLAG_HAT;
if (!unpack_u32(e, &tmp, NULL))
goto fail;
if (tmp == PACKED_MODE_COMPLAIN || (e->version & FORCE_COMPLAIN_FLAG))
@@ -654,10 +655,11 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name)
/* path_flags is optional */
if (unpack_u32(e, &profile->path_flags, "path_flags"))
profile->path_flags |= profile->flags & PFLAG_MEDIATE_DELETED;
profile->path_flags |= profile->label.flags &
PATH_MEDIATE_DELETED;
else
/* set a default value if path_flags field is not present */
profile->path_flags = PFLAG_MEDIATE_DELETED;
profile->path_flags = PATH_MEDIATE_DELETED;
if (!unpack_u32(e, &(profile->caps.allow.cap[0]), NULL))
goto fail;