ike-auth: Replace `== NULL` with `!`

diff --git a/src/libcharon/sa/ikev2/tasks/ike_auth.c b/src/libcharon/sa/ikev2/tasks/ike_auth.c
index 5e284bc97f0c126c47cae95cae44bac59fda6dd8..4fb266547454a79bc83d4013b5079aeeb06fa0aa 100644 (file)
--- a/src/libcharon/sa/ikev2/tasks/ike_auth.c
+++ b/src/libcharon/sa/ikev2/tasks/ike_auth.c
@@ -144,7 +144,7 @@ static status_t collect_my_init_data(private_ike_auth_t *this,
 
        /* get the nonce that was generated in ike_init */
        nonce = (nonce_payload_t*)message->get_payload(message, PLV2_NONCE);
-       if (nonce == NULL)
+       if (!nonce)
        {
                return FAILED;
        }
@@ -170,7 +170,7 @@ static status_t collect_other_init_data(private_ike_auth_t *this,
 
        /* get the nonce that was generated in ike_init */
        nonce = (nonce_payload_t*)message->get_payload(message, PLV2_NONCE);
-       if (nonce == NULL)
+       if (!nonce)
        {
                return FAILED;
        }
@@ -313,7 +313,7 @@ static bool load_cfg_candidates(private_ike_auth_t *this)
                        continue;
                }
                peer_cfg->get_ref(peer_cfg);
-               if (this->peer_cfg == NULL)
+               if (!this->peer_cfg)
                {       /* best match */
                        this->peer_cfg = peer_cfg;
                }
@@ -414,7 +414,7 @@ METHOD(task_t, build_i, status_t,
                return collect_my_init_data(this, message);
        }
 
-       if (this->peer_cfg == NULL)
+       if (!this->peer_cfg)
        {
                this->peer_cfg = this->ike_sa->get_peer_cfg(this->ike_sa);
                this->peer_cfg->get_ref(this->peer_cfg);
@@ -441,7 +441,7 @@ METHOD(task_t, build_i, status_t,
        }
 
        /* check if an authenticator is in progress */
-       if (this->my_auth == NULL)
+       if (!this->my_auth)
        {
                identification_t *idi, *idr = NULL;
                id_payload_t *id_payload;
@@ -549,7 +549,7 @@ METHOD(task_t, process_r, status_t,
                return collect_other_init_data(this, message);
        }
 
-       if (this->my_auth == NULL && this->do_another_auth)
+       if (!this->my_auth && this->do_another_auth)
        {
                /* handle (optional) IDr payload, apply proposed identity */
                id_payload = (id_payload_t*)message->get_payload(message, PLV2_ID_RESPONDER);
@@ -586,7 +586,7 @@ METHOD(task_t, process_r, status_t,
                }
        }
 
-       if (this->other_auth == NULL)
+       if (!this->other_auth)
        {
                /* handle IDi payload */
                id_payload = (id_payload_t*)message->get_payload(message, PLV2_ID_INITIATOR);
@@ -601,7 +601,7 @@ METHOD(task_t, process_r, status_t,
                cfg = this->ike_sa->get_auth_cfg(this->ike_sa, FALSE);
                cfg->add(cfg, AUTH_RULE_IDENTITY, id->clone(id));
 
-               if (this->peer_cfg == NULL)
+               if (!this->peer_cfg)
                {
                        if (!load_cfg_candidates(this))
                        {
@@ -609,7 +609,7 @@ METHOD(task_t, process_r, status_t,
                                return NEED_MORE;
                        }
                }
-               if (message->get_payload(message, PLV2_AUTH) == NULL)
+               if (!message->get_payload(message, PLV2_AUTH))
                {       /* before authenticating with EAP, we need a EAP config */
                        cand = get_auth_cfg(this, FALSE);
                        while (!cand || (
@@ -688,7 +688,7 @@ METHOD(task_t, process_r, status_t,
                return NEED_MORE;
        }
 
-       if (message->get_notify(message, ANOTHER_AUTH_FOLLOWS) == NULL)
+       if (!message->get_notify(message, ANOTHER_AUTH_FOLLOWS))
        {
                this->expect_another_auth = FALSE;
                if (!update_cfg_candidates(this, TRUE))
@@ -716,12 +716,12 @@ METHOD(task_t, build_r, status_t,
                return collect_my_init_data(this, message);
        }
 
-       if (this->authentication_failed || this->peer_cfg == NULL)
+       if (this->authentication_failed || !this->peer_cfg)
        {
                goto peer_auth_failed;
        }
 
-       if (this->my_auth == NULL && this->do_another_auth)
+       if (!this->my_auth && this->do_another_auth)
        {
                identification_t *id, *id_cfg;
                id_payload_t *id_payload;
@@ -1032,7 +1032,7 @@ METHOD(task_t, process_i, status_t,
 
        if (this->expect_another_auth)
        {
-               if (this->other_auth == NULL)
+               if (!this->other_auth)
                {
                        id_payload_t *id_payload;
                        identification_t *id;
@@ -1137,7 +1137,7 @@ METHOD(task_t, process_i, status_t,
                DBG1(DBG_IKE, "allow mutual EAP-only authentication");
        }
 
-       if (message->get_notify(message, ANOTHER_AUTH_FOLLOWS) == NULL)
+       if (!message->get_notify(message, ANOTHER_AUTH_FOLLOWS))
        {
                this->expect_another_auth = FALSE;
        }