diff options
Diffstat (limited to 'analyzer/utils')
| -rw-r--r-- | analyzer/utils/tcp.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/analyzer/utils/tcp.h b/analyzer/utils/tcp.h index 9c6a949..13cbb15 100644 --- a/analyzer/utils/tcp.h +++ b/analyzer/utils/tcp.h @@ -5,19 +5,19 @@ #include "structures/heap.h" +#ifndef TCP_H +#define TCP_H + typedef unsigned char byte_t; // struct to persistently store TCP segments // payload field is malloced and needs to be freed -#ifndef TCP_SEGMENT_DEFINED -#define TCP_SEGMENT_DEFINED typedef struct { byte_t *payload; // payload in the segment size_t len; // length of the payload uint32_t seq; // TCP sequence number of the segment uint16_t port; // destination (client) port of connection the segment was received from } TCPSegment; -#endif // get TCP segment from captured packet // params: @@ -28,8 +28,6 @@ typedef struct { extern TCPSegment get_segment_from_packet(const byte_t *packet, const struct pcap_pkthdr *packet_data); // struct that stores all the information about stream -#ifndef TCP_STREAM_DEFINED -#define TCP_STREAM_DEFINED typedef struct { byte_t *data; // bytes in the stream size_t len; // length of the stream @@ -38,7 +36,6 @@ typedef struct { uint16_t port; // destination (client) port of current analyzed connection Heap *pending; // min heap of segments yet to be added to stream (sorted by TCP sequence number) } TCPStream; -#endif #define INIT_STREAM_CAPACITY 256 @@ -68,3 +65,5 @@ extern void remove_parsed_data(TCPStream *stream, size_t parsed_len); // returns: // 1 if the segment was added to the stream, 0 if it was discarded or saved to pending extern int handle_segment(TCPStream *stream, TCPSegment segment); + +#endif |