[strongSwan-dev] [PATCH 3/5] packet_t: Add methods to get/set IKEv1 fragment size

[Volker Rümelin]

 src/libstrongswan/networking/packet.c | 20 ++++++++++++++++++++
 src/libstrongswan/networking/packet.h | 14 ++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/src/libstrongswan/networking/packet.c 
b/src/libstrongswan/networking/packet.c
index 4ff7fc4..732baf1 100644
--- a/src/libstrongswan/networking/packet.c
+++ b/src/libstrongswan/networking/packet.c
@@ -44,6 +44,11 @@ struct private_packet_t {
         */
        u_int8_t dscp;
 
+       /**
+        * IKEv1 maximum fragment data size
+        */
+       size_t fragment_size;
+
         /**
          * message data
          */
@@ -105,6 +110,18 @@ METHOD(packet_t, set_dscp, void,
        this->dscp = value;
 }
 
+METHOD(packet_t, get_fragsize, size_t,
+       private_packet_t *this)
+{
+       return this->fragment_size;
+}
+
+METHOD(packet_t, set_fragsize, void,
+       private_packet_t *this, size_t size)
+{
+       this->fragment_size = size;
+}
+
 METHOD(packet_t, skip_bytes, void,
        private_packet_t *this, size_t bytes)
 {
@@ -140,6 +157,7 @@ METHOD(packet_t, clone_, packet_t*,
                other->set_data(other, chunk_clone(this->adjusted_data));
        }
        other->set_dscp(other, this->dscp);
+       other->set_fragsize(other, this->fragment_size);
        return other;
 }
 
@@ -160,6 +178,8 @@ packet_t *packet_create_from_data(host_t *src, host_t *dst, 
chunk_t data)
                        .get_destination = _get_destination,
                        .get_dscp = _get_dscp,
                        .set_dscp = _set_dscp,
+                       .get_fragsize = _get_fragsize,
+                       .set_fragsize = _set_fragsize,
                        .skip_bytes = _skip_bytes,
                        .clone = _clone_,
                        .destroy = _destroy,
diff --git a/src/libstrongswan/networking/packet.h 
b/src/libstrongswan/networking/packet.h
index a96a4b8..48f2d1e 100644
--- a/src/libstrongswan/networking/packet.h
+++ b/src/libstrongswan/networking/packet.h
@@ -90,6 +90,20 @@ struct packet_t {
        void (*set_dscp)(packet_t *this, u_int8_t value);
 
        /**
+        * Get IKEv1 maximum fragment data size.
+        *
+        * @return                      fragment size
+        */
+       size_t (*get_fragsize)(packet_t *this);
+
+       /**
+        * Set IKEv1 maximum fragment data size.
+        *
+        * @param size          fragment size
+        */
+       void (*set_fragsize)(packet_t *this, size_t size);
+
+       /**
         * Increase the offset where the actual packet data starts.
         *
         * The total offset applies to future calls of get_data() and clone().
-- 
1.8.4.5


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