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Diffstat (limited to 'security/apparmor/net.c')
-rw-r--r--security/apparmor/net.c65
1 files changed, 35 insertions, 30 deletions
diff --git a/security/apparmor/net.c b/security/apparmor/net.c
index 788be1609a86..87e934b2b548 100644
--- a/security/apparmor/net.c
+++ b/security/apparmor/net.c
@@ -71,6 +71,7 @@ static const char * const net_mask_names[] = {
void audit_net_cb(struct audit_buffer *ab, void *va)
{
struct common_audit_data *sa = va;
+ struct apparmor_audit_data *ad = aad(sa);
if (address_family_names[sa->u.net->family])
audit_log_format(ab, " family=\"%s\"",
@@ -78,35 +79,36 @@ void audit_net_cb(struct audit_buffer *ab, void *va)
else
audit_log_format(ab, " family=\"unknown(%d)\"",
sa->u.net->family);
- if (sock_type_names[aad(sa)->net.type])
+ if (sock_type_names[ad->net.type])
audit_log_format(ab, " sock_type=\"%s\"",
- sock_type_names[aad(sa)->net.type]);
+ sock_type_names[ad->net.type]);
else
audit_log_format(ab, " sock_type=\"unknown(%d)\"",
- aad(sa)->net.type);
- audit_log_format(ab, " protocol=%d", aad(sa)->net.protocol);
+ ad->net.type);
+ audit_log_format(ab, " protocol=%d", ad->net.protocol);
- if (aad(sa)->request & NET_PERMS_MASK) {
+ if (ad->request & NET_PERMS_MASK) {
audit_log_format(ab, " requested_mask=");
- aa_audit_perm_mask(ab, aad(sa)->request, NULL, 0,
+ aa_audit_perm_mask(ab, ad->request, NULL, 0,
net_mask_names, NET_PERMS_MASK);
- if (aad(sa)->denied & NET_PERMS_MASK) {
+ if (ad->denied & NET_PERMS_MASK) {
audit_log_format(ab, " denied_mask=");
- aa_audit_perm_mask(ab, aad(sa)->denied, NULL, 0,
+ aa_audit_perm_mask(ab, ad->denied, NULL, 0,
net_mask_names, NET_PERMS_MASK);
}
}
- if (aad(sa)->peer) {
+ if (ad->peer) {
audit_log_format(ab, " peer=");
- aa_label_xaudit(ab, labels_ns(aad(sa)->label), aad(sa)->peer,
+ aa_label_xaudit(ab, labels_ns(ad->subj_label), ad->peer,
FLAGS_NONE, GFP_ATOMIC);
}
}
/* Generic af perm */
-int aa_profile_af_perm(struct aa_profile *profile, struct common_audit_data *sa,
- u32 request, u16 family, int type)
+int aa_profile_af_perm(struct aa_profile *profile,
+ struct apparmor_audit_data *ad, u32 request, u16 family,
+ int type)
{
struct aa_ruleset *rules = list_first_entry(&profile->rules,
typeof(*rules), list);
@@ -125,26 +127,28 @@ int aa_profile_af_perm(struct aa_profile *profile, struct common_audit_data *sa,
buffer[0] = cpu_to_be16(family);
buffer[1] = cpu_to_be16((u16) type);
- state = aa_dfa_match_len(rules->policy.dfa, state, (char *) &buffer,
+ state = aa_dfa_match_len(rules->policy->dfa, state, (char *) &buffer,
4);
- perms = *aa_lookup_perms(&rules->policy, state);
+ perms = *aa_lookup_perms(rules->policy, state);
aa_apply_modes_to_perms(profile, &perms);
- return aa_check_perms(profile, &perms, request, sa, audit_net_cb);
+ return aa_check_perms(profile, &perms, request, ad, audit_net_cb);
}
-int aa_af_perm(struct aa_label *label, const char *op, u32 request, u16 family,
- int type, int protocol)
+int aa_af_perm(const struct cred *subj_cred, struct aa_label *label,
+ const char *op, u32 request, u16 family, int type, int protocol)
{
struct aa_profile *profile;
- DEFINE_AUDIT_NET(sa, op, NULL, family, type, protocol);
+ DEFINE_AUDIT_NET(ad, op, NULL, family, type, protocol);
return fn_for_each_confined(label, profile,
- aa_profile_af_perm(profile, &sa, request, family,
+ aa_profile_af_perm(profile, &ad, request, family,
type));
}
-static int aa_label_sk_perm(struct aa_label *label, const char *op, u32 request,
+static int aa_label_sk_perm(const struct cred *subj_cred,
+ struct aa_label *label,
+ const char *op, u32 request,
struct sock *sk)
{
struct aa_sk_ctx *ctx = SK_CTX(sk);
@@ -155,10 +159,11 @@ static int aa_label_sk_perm(struct aa_label *label, const char *op, u32 request,
if (ctx->label != kernel_t && !unconfined(label)) {
struct aa_profile *profile;
- DEFINE_AUDIT_SK(sa, op, sk);
+ DEFINE_AUDIT_SK(ad, op, sk);
+ ad.subj_cred = subj_cred;
error = fn_for_each_confined(label, profile,
- aa_profile_af_sk_perm(profile, &sa, request, sk));
+ aa_profile_af_sk_perm(profile, &ad, request, sk));
}
return error;
@@ -174,21 +179,21 @@ int aa_sk_perm(const char *op, u32 request, struct sock *sk)
/* TODO: switch to begin_current_label ???? */
label = begin_current_label_crit_section();
- error = aa_label_sk_perm(label, op, request, sk);
+ error = aa_label_sk_perm(current_cred(), label, op, request, sk);
end_current_label_crit_section(label);
return error;
}
-int aa_sock_file_perm(struct aa_label *label, const char *op, u32 request,
- struct socket *sock)
+int aa_sock_file_perm(const struct cred *subj_cred, struct aa_label *label,
+ const char *op, u32 request, struct socket *sock)
{
AA_BUG(!label);
AA_BUG(!sock);
AA_BUG(!sock->sk);
- return aa_label_sk_perm(label, op, request, sock->sk);
+ return aa_label_sk_perm(subj_cred, label, op, request, sock->sk);
}
#ifdef CONFIG_NETWORK_SECMARK
@@ -214,7 +219,7 @@ static int apparmor_secmark_init(struct aa_secmark *secmark)
}
static int aa_secmark_perm(struct aa_profile *profile, u32 request, u32 secid,
- struct common_audit_data *sa)
+ struct apparmor_audit_data *ad)
{
int i, ret;
struct aa_perms perms = { };
@@ -245,17 +250,17 @@ static int aa_secmark_perm(struct aa_profile *profile, u32 request, u32 secid,
aa_apply_modes_to_perms(profile, &perms);
- return aa_check_perms(profile, &perms, request, sa, audit_net_cb);
+ return aa_check_perms(profile, &perms, request, ad, audit_net_cb);
}
int apparmor_secmark_check(struct aa_label *label, char *op, u32 request,
u32 secid, const struct sock *sk)
{
struct aa_profile *profile;
- DEFINE_AUDIT_SK(sa, op, sk);
+ DEFINE_AUDIT_SK(ad, op, sk);
return fn_for_each_confined(label, profile,
aa_secmark_perm(profile, request, secid,
- &sa));
+ &ad));
}
#endif
generated by cgit (git 2.34.1) at 2024-06-07 21:43:29 +0000