lifetime_cfg_t added to configure lifetime limits of a CHILD_SA.

diff --git a/src/charon/config/child_cfg.h b/src/charon/config/child_cfg.h
index 33c75701ca150305ed5d58729a92b51ed2240fce..a72034e6a7bebc5564aa2d1553f9963362a7b2a1 100644 (file)
--- a/src/charon/config/child_cfg.h
+++ b/src/charon/config/child_cfg.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 Tobias Brunner
+ * Copyright (C) 2008-2009 Tobias Brunner
  * Copyright (C) 2005-2007 Martin Willi
  * Copyright (C) 2005 Jan Hutter
  * Hochschule fuer Technik Rapperswil
@@ -25,6 +25,7 @@
 
 typedef enum action_t action_t;
 typedef enum ipcomp_transform_t ipcomp_transform_t;
+typedef struct lifetime_cfg_t lifetime_cfg_t;
 typedef struct child_cfg_t child_cfg_t;
 
 #include <library.h>
@@ -65,6 +66,54 @@ enum ipcomp_transform_t {
  */
 extern enum_name_t *ipcomp_transform_names;
 
+/**
+ * A lifetime_cfg_t defines the lifetime limits of a CHILD_SA.
+ *
+ * Set any of these values to 0 to ignore.
+ */
+struct lifetime_cfg_t {
+       /** Time in seconds before the CHILD_SA gets invalid. */
+       u_int64_t       life_time;
+       /** Number of bytes transmitted before the CHILD_SA gets invalid. */
+       u_int64_t       life_bytes;
+       /** Number of packets transmitted before the CHILD_SA gets invalid. */
+       u_int64_t       life_packets;
+       /** Time in seconds before the CHILD_SA gets rekeyed. */
+       u_int64_t       rekey_time;
+       /** Number of bytes transmitted before the CHILD_SA gets rekeyed. */
+       u_int64_t       rekey_bytes;
+       /** Number of packets transmitted before the CHILD_SA gets rekeyed. */
+       u_int64_t       rekey_packets;
+       /** The range of a random value subtracted from rekey_time */
+       u_int64_t       jitter_time;
+       /** The range of a random value subtracted from rekey_bytes */
+       u_int64_t       jitter_bytes;
+       /** The range of a random value subtracted from rekey_packets */
+       u_int64_t       jitter_packets;
+};
+
+/**
+ * Create a new lifetime_cfg_t object.
+ */
+static inline lifetime_cfg_t* lifetime_cfg_create() {
+       lifetime_cfg_t *this = malloc_thing(lifetime_cfg_t);
+       memset(this, 0, sizeof(lifetime_cfg_t));
+       return this;
+}
+
+/**
+ * Special constructor for the (currently) most common case.
+ */
+static inline lifetime_cfg_t* lifetime_cfg_create_time(u_int64_t life,
+                                                                         u_int64_t rekey, u_int64_t jitter)
+{
+       lifetime_cfg_t *this = lifetime_cfg_create();
+       this->life_time = life;
+       this->rekey_time = rekey;
+       this->jitter_time = jitter;
+       return this;
+}
+
 /**
  * A child_cfg_t defines the config template for a CHILD_SA.
  *