packet: Define a global default maximum size for IKE packets

src/libcharon/encoding/message.c

@@ -68,11 +68,6 @@
  */
 #define MAX_NAT_D_PAYLOADS 10
 
-/**
- * Maximum packet size for fragmented packets (same as in sockets)
- */
-#define MAX_PACKET 10000
-
 /**
  * A payload rule defines the rules for a payload
  * in a specific message rule. It defines if and how
@@ -2956,7 +2951,7 @@ message_t *message_create_defrag(message_t *fragment)
 	}
 	INIT(this->frag,
 		.max_packet = lib->settings->get_int(lib->settings,
-										"%s.max_packet", MAX_PACKET, lib->ns),
+								"%s.max_packet", PACKET_MAX_DEFAULT, lib->ns),
 	);
 	return &this->public;
 }

src/libcharon/plugins/socket_default/socket_default_socket.c

@@ -45,9 +45,6 @@
 #include <daemon.h>
 #include <threading/thread.h>
 
-/* Maximum size of a packet */
-#define MAX_PACKET 10000
-
 /* these are not defined on some platforms */
 #ifndef SOL_IP
 #define SOL_IP IPPROTO_IP
@@ -739,7 +736,7 @@ socket_default_socket_t *socket_default_socket_create()
 		.natt = lib->settings->get_int(lib->settings,
 							"%s.port_nat_t", CHARON_NATT_PORT, lib->ns),
 		.max_packet = lib->settings->get_int(lib->settings,
-							"%s.max_packet", MAX_PACKET, lib->ns),
+							"%s.max_packet", PACKET_MAX_DEFAULT, lib->ns),
 		.set_source = lib->settings->get_bool(lib->settings,
 							"%s.plugins.socket-default.set_source", TRUE,
 							lib->ns),

src/libcharon/plugins/socket_dynamic/socket_dynamic_socket.c

@@ -42,9 +42,6 @@
 #include <threading/rwlock.h>
 #include <collections/hashtable.h>
 
-/* Maximum size of a packet */
-#define MAX_PACKET 10000
-
 /* these are not defined on some platforms */
 #ifndef SOL_IP
 #define SOL_IP IPPROTO_IP
@@ -668,7 +665,7 @@ socket_dynamic_socket_t *socket_dynamic_socket_create()
 		},
 		.lock = rwlock_create(RWLOCK_TYPE_DEFAULT),
 		.max_packet = lib->settings->get_int(lib->settings,
-										"%s.max_packet", MAX_PACKET, lib->ns),
+								"%s.max_packet", PACKET_MAX_DEFAULT, lib->ns),
 	);
 
 	if (pipe(this->notify) != 0)

src/libcharon/plugins/socket_win/socket_win_socket.c

@@ -25,9 +25,6 @@
 
 #include <mswsock.h>
 
-/* Maximum size of a packet */
-#define MAX_PACKET 10000
-
 /* number of sockets in use */
 #define SOCKET_COUNT 2
 
@@ -458,7 +455,7 @@ socket_win_socket_t *socket_win_socket_create()
 							"%s.port_nat_t", CHARON_NATT_PORT, lib->ns),
 		},
 		.max_packet = lib->settings->get_int(lib->settings,
-							"%s.max_packet", MAX_PACKET, lib->ns),
+							"%s.max_packet", PACKET_MAX_DEFAULT, lib->ns),
 	);
 
 	for (i = 0; i < SOCKET_COUNT; i++)

src/libstrongswan/networking/packet.h

@@ -28,6 +28,11 @@ typedef struct packet_t packet_t;
 #include <library.h>
 #include <networking/host.h>
 
+/**
+ * Maximum packet size we handle by default
+ */
+#define PACKET_MAX_DEFAULT 10000
+
 /**
  * Abstraction of an IP/UDP-Packet, contains data, sender and receiver.
  */