diff options
Diffstat (limited to 'src/libipsec/ip_packet.h')
| -rw-r--r-- | src/libipsec/ip_packet.h | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/src/libipsec/ip_packet.h b/src/libipsec/ip_packet.h index de817e23e..fa38eac2c 100644 --- a/src/libipsec/ip_packet.h +++ b/src/libipsec/ip_packet.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012 Tobias Brunner + * Copyright (C) 2012-2014 Tobias Brunner * Hochschule fuer Technik Rapperswil * * This program is free software; you can redistribute it and/or modify it @@ -68,6 +68,13 @@ struct ip_packet_t { chunk_t (*get_encoding)(ip_packet_t *this); /** + * Get only the payload + * + * @return IP payload (internal data) + */ + chunk_t (*get_payload)(ip_packet_t *this); + + /** * Clone the IP packet * * @return clone of the packet @@ -93,4 +100,30 @@ struct ip_packet_t { */ ip_packet_t *ip_packet_create(chunk_t packet); +/** + * Encode an IP packet from the given data. + * + * If src and/or dst have ports set they are applied to UDP/TCP headers found + * in the packet. + * + * @param src source address and optional port (cloned) + * @param dst destination address and optional port (cloned) + * @param next_header the protocol (IPv4) or next header (IPv6) + * @param data complete data after basic IP header (cloned) + * @return ip_packet_t instance, or NULL if invalid + */ +ip_packet_t *ip_packet_create_from_data(host_t *src, host_t *dst, + u_int8_t next_header, chunk_t data); + +/** + * Encode a UDP packet from the given data. + * + * @param src source address and port (cloned) + * @param dst destination address and port (cloned) + * @param data UDP data (cloned) + * @return ip_packet_t instance, or NULL if invalid + */ +ip_packet_t *ip_packet_create_udp_from_data(host_t *src, host_t *dst, + chunk_t data); + #endif /** IP_PACKET_H_ @}*/ |