diff options
Diffstat (limited to 'src/lib')
-rw-r--r-- | src/lib/Makefile.am | 1 | ||||
-rw-r--r-- | src/lib/ndpi_main.c | 8 | ||||
-rw-r--r-- | src/lib/protocols/lisp.c | 68 |
3 files changed, 77 insertions, 0 deletions
diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am index 740e3ee48..c2b4e4b13 100644 --- a/src/lib/Makefile.am +++ b/src/lib/Makefile.am @@ -71,6 +71,7 @@ libndpi_la_SOURCES = ndpi_content_match.c.inc \ protocols/kontiki.c \ protocols/ldap.c \ protocols/lotus_notes.c \ + protocols/lisp.c \ protocols/mail_imap.c \ protocols/mail_pop.c \ protocols/mail_smtp.c \ diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c index ffb4ed909..f0b0407bb 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -1390,6 +1390,11 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp no_master, "Dropbox", NDPI_PROTOCOL_CATEGORY_CLOUD, ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */, ndpi_build_default_ports(ports_b, 17500, 0, 0, 0, 0) /* UDP */); + ndpi_set_proto_defaults(ndpi_mod, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_LISP, + no_master, + no_master, "LISP", NDPI_PROTOCOL_CATEGORY_CLOUD, + ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */, + ndpi_build_default_ports(ports_b, 4342, 4341, 0, 0, 0) /* UDP */); ndpi_set_proto_defaults(ndpi_mod, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_EAQ, no_master, no_master, "EAQ", NDPI_PROTOCOL_CATEGORY_NETWORK, @@ -2735,6 +2740,9 @@ void ndpi_set_protocol_detection_bitmask2(struct ndpi_detection_module_struct *n /* CSGO */ init_csgo_dissector(ndpi_struct, &a, detection_bitmask); + /* LISP */ + init_my_lisp_dissector(ndpi_struct, &a, detection_bitmask); + /* ----------------------------------------------------------------- */ ndpi_struct->callback_buffer_size = a; diff --git a/src/lib/protocols/lisp.c b/src/lib/protocols/lisp.c new file mode 100644 index 000000000..37077029c --- /dev/null +++ b/src/lib/protocols/lisp.c @@ -0,0 +1,68 @@ +#include "ndpi_api.h" +#ifdef NDPI_PROTOCOL_LISP + +#define LISP_PORT 4341 +#define LISP_PORT1 4342 + +static void ndpi_int_lisp_add_connection(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow, + u_int8_t due_to_correlation) +{ + + ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_LISP, NDPI_PROTOCOL_UNKNOWN); +} + +static void ndpi_check_lisp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) +{ + + struct ndpi_packet_struct *packet = &flow->packet; + u_int32_t payload_len = packet->payload_packet_len; + + if(packet->udp != NULL) { + + u_int16_t lisp_port = htons(LISP_PORT); + u_int16_t lisp_port1 = htons(LISP_PORT1); + + if(((packet->udp->source == lisp_port) + && (packet->udp->dest == lisp_port)) || + ((packet->udp->source == lisp_port1) + && (packet->udp->dest == lisp_port1)) ) { + + NDPI_LOG(NDPI_PROTOCOL_LISP, ndpi_struct, NDPI_LOG_DEBUG, "Found lisp.\n"); + ndpi_int_lisp_add_connection(ndpi_struct, flow, 0); + return; + + } + } + + NDPI_LOG(NDPI_PROTOCOL_lisp, ndpi_struct, NDPI_LOG_DEBUG, "exclude lisp.\n"); + NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_LISP); +} + +void ndpi_search_lisp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct *packet = &flow->packet; + + NDPI_LOG(NDPI_PROTOCOL_LISP, ndpi_struct, NDPI_LOG_DEBUG, "lisp detection...\n"); + + /* skip marked packets */ + if (packet->detected_protocol_stack[0] != NDPI_PROTOCOL_LISP) { + + ndpi_check_lisp(ndpi_struct, flow); + + } +} + + +void init_my_lisp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask) +{ + ndpi_set_bitmask_protocol_detection("LISP", ndpi_struct, detection_bitmask, *id, + NDPI_PROTOCOL_LISP, + ndpi_search_lisp, + NDPI_SELECTION_BITMASK_PROTOCOL_UDP_WITH_PAYLOAD, + SAVE_DETECTION_BITMASK_AS_UNKNOWN, + ADD_TO_DETECTION_BITMASK); + *id += 1; +} + +#endif |