added missing files to the last commit
authorMartin Willi <martin@strongswan.org>
Thu, 14 Jun 2007 08:17:23 +0000 (08:17 -0000)
committerMartin Willi <martin@strongswan.org>
Thu, 14 Jun 2007 08:17:23 +0000 (08:17 -0000)
src/charon/sa/tasks/ike_reauth.c [new file with mode: 0644]
src/charon/sa/tasks/ike_reauth.h [new file with mode: 0644]

diff --git a/src/charon/sa/tasks/ike_reauth.c b/src/charon/sa/tasks/ike_reauth.c
new file mode 100644 (file)
index 0000000..93be23d
--- /dev/null
@@ -0,0 +1,173 @@
+/**
+ * @file ike_reauth.c
+ *
+ * @brief Implementation of the ike_reauth task.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2007 Martin Willi
+ * 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 "ike_reauth.h"
+
+#include <daemon.h>
+#include <sa/tasks/ike_delete.h>
+
+
+typedef struct private_ike_reauth_t private_ike_reauth_t;
+
+/**
+ * Private members of a ike_reauth_t task.
+ */
+struct private_ike_reauth_t {
+       
+       /**
+        * Public methods and task_t interface.
+        */
+       ike_reauth_t public;
+       
+       /**
+        * Assigned IKE_SA.
+        */
+       ike_sa_t *ike_sa;
+       
+       /**
+        * reused ike_delete task
+        */
+       ike_delete_t *ike_delete;
+};
+
+/**
+ * Implementation of task_t.build for initiator
+ */
+static status_t build_i(private_ike_reauth_t *this, message_t *message)
+{
+       return this->ike_delete->task.build(&this->ike_delete->task, message);
+}
+
+/**
+ * Implementation of task_t.process for initiator
+ */
+static status_t process_i(private_ike_reauth_t *this, message_t *message)
+{
+       ike_sa_t *new;
+       host_t *host;
+       iterator_t *iterator;
+       child_sa_t *child_sa;
+       
+       /* process delete response first */
+       this->ike_delete->task.process(&this->ike_delete->task, message);
+       
+       /* reestablish only if we have children */
+       iterator = this->ike_sa->create_child_sa_iterator(this->ike_sa);
+       if (iterator->get_count(iterator) == 0)
+       {
+               DBG1(DBG_IKE, "unable to reestablish IKE_SA, no CHILD_SA to recreate");
+               iterator->destroy(iterator);
+               return FAILED;
+       }
+       
+       new = charon->ike_sa_manager->checkout_new(charon->ike_sa_manager, TRUE);
+       
+       new->set_peer_cfg(new, this->ike_sa->get_peer_cfg(this->ike_sa));
+       host = this->ike_sa->get_other_host(this->ike_sa);
+       new->set_other_host(new, host->clone(host));
+       /* if we already have a virtual IP, we reuse it */
+       host = this->ike_sa->get_virtual_ip(this->ike_sa, TRUE);
+       if (host)
+       {
+               new->set_virtual_ip(new, TRUE, host);
+       }
+       
+       while (iterator->iterate(iterator, (void**)&child_sa))
+       {
+               switch (child_sa->get_state(child_sa))
+               {
+                       case CHILD_ROUTED:
+                       {
+                               /* move routed child directly */
+                               iterator->remove(iterator);
+                               new->add_child_sa(new, child_sa);
+                               break;
+                       }
+                       default:
+                       {
+                               /* initiate/queue all child SAs */
+                               child_cfg_t *child_cfg = child_sa->get_config(child_sa);
+                               child_cfg->get_ref(child_cfg);
+                               if (new->initiate(new, child_cfg) == DESTROY_ME)
+                               {
+                                       iterator->destroy(iterator);
+                                       charon->ike_sa_manager->checkin_and_destroy(
+                                                                               charon->ike_sa_manager, new);
+                                       DBG1(DBG_IKE, "reestablishing IKE_SA failed");
+                                       return FAILED;
+                               }
+                               break;
+                       }
+               }
+       }
+       iterator->destroy(iterator);
+       charon->ike_sa_manager->checkin(charon->ike_sa_manager, new);
+       
+       /* we always return failed to delete the obsolete IKE_SA */
+       return FAILED;
+}
+
+/**
+ * Implementation of task_t.get_type
+ */
+static task_type_t get_type(private_ike_reauth_t *this)
+{
+       return IKE_REAUTH;
+}
+
+/**
+ * Implementation of task_t.migrate
+ */
+static void migrate(private_ike_reauth_t *this, ike_sa_t *ike_sa)
+{
+       this->ike_delete->task.migrate(&this->ike_delete->task, ike_sa);
+       this->ike_sa = ike_sa;
+}
+
+/**
+ * Implementation of task_t.destroy
+ */
+static void destroy(private_ike_reauth_t *this)
+{
+       this->ike_delete->task.destroy(&this->ike_delete->task);
+       free(this);
+}
+
+/*
+ * Described in header.
+ */
+ike_reauth_t *ike_reauth_create(ike_sa_t *ike_sa)
+{
+       private_ike_reauth_t *this = malloc_thing(private_ike_reauth_t);
+
+       this->public.task.get_type = (task_type_t(*)(task_t*))get_type;
+       this->public.task.migrate = (void(*)(task_t*,ike_sa_t*))migrate;
+       this->public.task.destroy = (void(*)(task_t*))destroy;
+       this->public.task.build = (status_t(*)(task_t*,message_t*))build_i;
+       this->public.task.process = (status_t(*)(task_t*,message_t*))process_i;
+       
+       this->ike_sa = ike_sa;
+       this->ike_delete = ike_delete_create(ike_sa, TRUE);
+       
+       return &this->public;
+}
+
diff --git a/src/charon/sa/tasks/ike_reauth.h b/src/charon/sa/tasks/ike_reauth.h
new file mode 100644 (file)
index 0000000..3c872e1
--- /dev/null
@@ -0,0 +1,59 @@
+/**
+ * @file ike_reauth.h
+ * 
+ * @brief Interface ike_reauth_t.
+ * 
+ */
+
+/*
+ * Copyright (C) 2007 Martin Willi
+ * 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.
+ */
+
+#ifndef IKE_REAUTH_H_
+#define IKE_REAUTH_H_
+
+typedef struct ike_reauth_t ike_reauth_t;
+
+#include <library.h>
+#include <sa/ike_sa.h>
+#include <sa/tasks/task.h>
+
+/**
+ * @brief Task of type ike_reauth, reestablishes an IKE_SA.
+ *
+ * @b Constructors:
+ *  - ike_reauth_create()
+ * 
+ * @ingroup tasks
+ */
+struct ike_reauth_t {
+
+       /**
+        * Implements the task_t interface
+        */
+       task_t task;
+};
+
+/**
+ * @brief Create a new ike_reauth task.
+ *
+ * This task is initiator only.
+ *
+ * @param ike_sa               IKE_SA this task works for
+ * @return                             ike_reauth task to handle by the task_manager
+ */
+ike_reauth_t *ike_reauth_create(ike_sa_t *ike_sa);
+
+#endif /* IKE_REAUTH_H_ */
+