redirect-job: Add job to redirect an active IKE_SA
authorTobias Brunner <tobias@strongswan.org>
Tue, 28 Apr 2015 15:29:42 +0000 (17:29 +0200)
committerTobias Brunner <tobias@strongswan.org>
Fri, 4 Mar 2016 15:02:59 +0000 (16:02 +0100)
src/libcharon/Android.mk
src/libcharon/Makefile.am
src/libcharon/processing/jobs/redirect_job.c [new file with mode: 0644]
src/libcharon/processing/jobs/redirect_job.h [new file with mode: 0644]

index cd78e28..0b09d10 100644 (file)
@@ -59,6 +59,7 @@ processing/jobs/delete_child_sa_job.c processing/jobs/delete_child_sa_job.h \
 processing/jobs/delete_ike_sa_job.c processing/jobs/delete_ike_sa_job.h \
 processing/jobs/migrate_job.c processing/jobs/migrate_job.h \
 processing/jobs/process_message_job.c processing/jobs/process_message_job.h \
+processing/jobs/redirect_job.c processing/jobs/redirect_job.h \
 processing/jobs/rekey_child_sa_job.c processing/jobs/rekey_child_sa_job.h \
 processing/jobs/rekey_ike_sa_job.c processing/jobs/rekey_ike_sa_job.h \
 processing/jobs/retransmit_job.c processing/jobs/retransmit_job.h \
index 71ceed3..062b96a 100644 (file)
@@ -58,6 +58,7 @@ processing/jobs/delete_child_sa_job.c processing/jobs/delete_child_sa_job.h \
 processing/jobs/delete_ike_sa_job.c processing/jobs/delete_ike_sa_job.h \
 processing/jobs/migrate_job.c processing/jobs/migrate_job.h \
 processing/jobs/process_message_job.c processing/jobs/process_message_job.h \
+processing/jobs/redirect_job.c processing/jobs/redirect_job.h \
 processing/jobs/rekey_child_sa_job.c processing/jobs/rekey_child_sa_job.h \
 processing/jobs/rekey_ike_sa_job.c processing/jobs/rekey_ike_sa_job.h \
 processing/jobs/retransmit_job.c processing/jobs/retransmit_job.h \
diff --git a/src/libcharon/processing/jobs/redirect_job.c b/src/libcharon/processing/jobs/redirect_job.c
new file mode 100644 (file)
index 0000000..e1af662
--- /dev/null
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2015 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include <daemon.h>
+
+#include "redirect_job.h"
+
+typedef struct private_redirect_job_t private_redirect_job_t;
+
+/**
+ * Private data
+ */
+struct private_redirect_job_t {
+
+       /**
+        * Public interface
+        */
+       redirect_job_t public;
+
+       /**
+        * ID of the IKE_SA to redirect
+        */
+       ike_sa_id_t *ike_sa_id;
+
+       /**
+        * Target gateway identity
+        */
+       identification_t *gateway;
+};
+
+
+METHOD(job_t, destroy, void,
+       private_redirect_job_t *this)
+{
+       this->ike_sa_id->destroy(this->ike_sa_id);
+       this->gateway->destroy(this->gateway);
+       free(this);
+}
+
+METHOD(job_t, execute, job_requeue_t,
+       private_redirect_job_t *this)
+{
+       ike_sa_t *ike_sa;
+
+       ike_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
+                                                                                         this->ike_sa_id);
+       if (ike_sa)
+       {
+               if (ike_sa->get_state(ike_sa) == IKE_PASSIVE)
+               {
+                       charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
+                       return JOB_REQUEUE_NONE;
+               }
+               if (ike_sa->redirect(ike_sa, this->gateway) == DESTROY_ME)
+               {
+                       charon->ike_sa_manager->checkin_and_destroy(
+                                                                                       charon->ike_sa_manager, ike_sa);
+               }
+               else
+               {
+                       charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
+               }
+       }
+       return JOB_REQUEUE_NONE;
+}
+
+METHOD(job_t, get_priority, job_priority_t,
+       private_redirect_job_t *this)
+{
+       return JOB_PRIO_MEDIUM;
+}
+
+/*
+ * Described in header
+ */
+redirect_job_t *redirect_job_create(ike_sa_id_t *ike_sa_id,
+                                                                       identification_t *gateway)
+{
+       private_redirect_job_t *this;
+
+       INIT(this,
+               .public = {
+                       .job_interface = {
+                               .execute = _execute,
+                               .get_priority = _get_priority,
+                               .destroy = _destroy,
+                       },
+               },
+               .ike_sa_id = ike_sa_id->clone(ike_sa_id),
+               .gateway = gateway->clone(gateway),
+       );
+
+       return &(this->public);
+}
diff --git a/src/libcharon/processing/jobs/redirect_job.h b/src/libcharon/processing/jobs/redirect_job.h
new file mode 100644 (file)
index 0000000..fe4b34e
--- /dev/null
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2015 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup redirect_job redirect_job
+ * @{ @ingroup cjobs
+ */
+
+#ifndef REDIRECT_JOB_H_
+#define REDIRECT_JOB_H_
+
+typedef struct redirect_job_t redirect_job_t;
+
+#include <library.h>
+#include <sa/ike_sa_id.h>
+#include <processing/jobs/job.h>
+
+/**
+ * Job used to redirect an IKE_SA.
+ */
+struct redirect_job_t {
+
+       /**
+        * The job_t interface.
+        */
+       job_t job_interface;
+};
+
+/**
+ * Creates a job to redirect an IKE_SA.
+ *
+ * @param ike_sa_id                    id of the IKE_SA to redirect (cloned)
+ * @param gateway                      gateway identity (IP or FQDN) of target (cloned)
+ * @return                                     created redirect_job_t object
+ */
+redirect_job_t *redirect_job_create(ike_sa_id_t *ike_sa_id,
+                                                                       identification_t *gateway);
+
+#endif /** REDIRECT_JOB_H_ @}*/