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apparmor: refactor network socket mediation to support compatibility

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Make it easier for distros to support the network backwards compat
patch by refactoring the code to minimize the changes needed.

Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen
2026-06-29 16:58:57 -07:00
parent 89ac6aa752
commit 1af45bf33b
1 changed files with 10 additions and 8 deletions
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18
security/apparmor/net.c
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@@ -262,14 +262,15 @@ int aa_profile_af_perm(struct aa_profile *profile,
AA_BUG(type < 0 || type >= SOCK_MAX);
AA_BUG(profile_unconfined(profile));
if (profile_unconfined(profile))
return 0;
state = RULE_MEDIATES_NET(rules);
if (!state)
return 0;
state = aa_match_to_prot(rules->policy, state, request, family, type,
protocol, &p, &ad->info);
return aa_do_perms(profile, rules->policy, state, request, p, ad);
if (state) {
state = aa_match_to_prot(rules->policy, state, request, family,
type, protocol, &p, &ad->info);
return aa_do_perms(profile, rules->policy, state, request, p,
ad);
} /* else */
return 0;
}
int aa_af_perm(const struct cred *subj_cred, struct aa_label *label,
@@ -298,7 +299,8 @@ int aa_label_sk_perm(const struct cred *subj_cred, struct aa_label *label,
ad.subj_cred = subj_cred;
error = fn_for_each_confined(label, profile,
aa_profile_af_sk_perm(profile, &ad, request, sk));
aa_profile_af_perm(profile, &ad, request, sk->sk_family,
sk->sk_type, sk->sk_protocol));
}
return error;