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apparmor: add fn to lookup profiles by fqname

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Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen
2017-01-16 00:42:24 -08:00
parent 3b0aaf5866
commit 31617ddfdd
4 changed files with 38 additions and 7 deletions
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29
security/apparmor/policy.c
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@@ -498,6 +498,35 @@ struct aa_profile *aa_lookup_profile(struct aa_ns *ns, const char *hname)
{
return aa_lookupn_profile(ns, hname, strlen(hname));
}
struct aa_profile *aa_fqlookupn_profile(struct aa_profile *base,
const char *fqname, size_t n)
{
struct aa_profile *profile;
struct aa_ns *ns;
const char *name, *ns_name;
size_t ns_len;
name = aa_splitn_fqname(fqname, n, &ns_name, &ns_len);
if (ns_name) {
ns = aa_findn_ns(base->ns, ns_name, ns_len);
if (!ns)
return NULL;
} else
ns = aa_get_ns(base->ns);
if (name)
profile = aa_lookupn_profile(ns, name, n - (name - fqname));
else if (ns)
/* default profile for ns, currently unconfined */
profile = aa_get_newest_profile(ns->unconfined);
else
profile = NULL;
aa_put_ns(ns);
return profile;
}
/**
* replacement_allowed - test to see if replacement is allowed
* @profile: profile to test if it can be replaced (MAYBE NULL)