/* packet-scylla.c * Routines for Scylla RPC dissection * Copyright 2020 ScyllaDB, Piotr Sarna * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ /* * ScyllaDB RPC protocol is used for inter-node communication * in the ScyllaDB database - reading/sending data, exchanging * cluster information through gossip, updating schemas, etc. * * Protocol references: * https://github.com/scylladb/seastar/blob/master/doc/rpc.md * https://github.com/scylladb/scylla/blob/master/message/messaging_service.hh * */ #include #include #include #include #include void proto_reg_handoff_scylla(void); void proto_register_scylla(void); #define SCYLLA_PORT 0 /* Not IANA registered, 7000 is the expected value */ #define SCYLLA_HEADER_SIZE 28 #define SCYLLA_HEADER_VERB_OFFSET 8 #define SCYLLA_HEADER_MSG_ID_OFFSET 16 #define SCYLLA_HEADER_LEN_OFFSET 24 #define SCYLLA_RESPONSE_SIZE 12 #define SCYLLA_RESPONSE_MSG_ID_OFFSET 0 #define SCYLLA_RESPONSE_LEN_OFFSET 8 #define SCYLLA_NEGOTIATION_SIZE 12 #define SCYLLA_NEGOTIATION_LEN_OFFSET 8 static int proto_scylla = -1; static int hf_scylla_request = -1; static int hf_scylla_request_response_frame = -1; static int hf_scylla_timeout = -1; static int hf_scylla_verb = -1; static int hf_scylla_msg_id = -1; static int hf_scylla_len = -1; static int hf_scylla_response = -1; static int hf_scylla_response_size = -1; static int hf_scylla_response_request_frame = -1; static int hf_scylla_negotiation_magic = -1; static int hf_scylla_negotiation_size = -1; static int hf_scylla_payload = -1; // TODO: dissect everything, so that generic "payload" is not needed // Mutation static int hf_scylla_mut_size1 = -1; static int hf_scylla_mut_size2 = -1; static int hf_scylla_mut_table_id = -1; static int hf_scylla_mut_schema_id = -1; static int hf_scylla_mut_len_pkeys = -1; static int hf_scylla_mut_num_pkeys = -1; static int hf_scylla_mut_len_pkey = -1; static int hf_scylla_mut_pkey = -1; // Read data static int hf_scylla_read_data_timeout = -1; static int hf_scylla_read_data_table_id = -1; static int hf_scylla_read_data_schema_version = -1; static gint ett_scylla = -1; static gint ett_scylla_header = -1; static gint ett_scylla_response = -1; static gint ett_scylla_negotiation = -1; static gint ett_scylla_mut = -1; static gint ett_scylla_mut_pkey = -1; static gint ett_scylla_read_data = -1; static gboolean scylla_desegment = TRUE; static expert_field ei_scylla_response_missing = EI_INIT; enum scylla_packets { CLIENT_ID = 0, MUTATION = 1, MUTATION_DONE = 2, READ_DATA = 3, READ_MUTATION_DATA = 4, READ_DIGEST = 5, // Used by gossip GOSSIP_DIGEST_SYN = 6, GOSSIP_DIGEST_ACK = 7, GOSSIP_DIGEST_ACK2 = 8, GOSSIP_ECHO = 9, GOSSIP_SHUTDOWN = 10, // end of gossip verb DEFINITIONS_UPDATE = 11, TRUNCATE = 12, REPLICATION_FINISHED = 13, MIGRATION_REQUEST = 14, // Used by streaming PREPARE_MESSAGE = 15, PREPARE_DONE_MESSAGE = 16, STREAM_MUTATION = 17, STREAM_MUTATION_DONE = 18, COMPLETE_MESSAGE = 19, // end of streaming verbs REPAIR_CHECKSUM_RANGE = 20, GET_SCHEMA_VERSION = 21, SCHEMA_CHECK = 22, COUNTER_MUTATION = 23, MUTATION_FAILED = 24, STREAM_MUTATION_FRAGMENTS = 25, REPAIR_ROW_LEVEL_START = 26, REPAIR_ROW_LEVEL_STOP = 27, REPAIR_GET_FULL_ROW_HASHES = 28, REPAIR_GET_COMBINED_ROW_HASH = 29, REPAIR_GET_SYNC_BOUNDARY = 30, REPAIR_GET_ROW_DIFF = 31, REPAIR_PUT_ROW_DIFF = 32, REPAIR_GET_ESTIMATED_PARTITIONS = 33, REPAIR_SET_ESTIMATED_PARTITIONS = 34, REPAIR_GET_DIFF_ALGORITHMS = 35, REPAIR_GET_ROW_DIFF_WITH_RPC_STREAM = 36, REPAIR_PUT_ROW_DIFF_WITH_RPC_STREAM = 37, REPAIR_GET_FULL_ROW_HASHES_WITH_RPC_STREAM = 38, PAXOS_PREPARE = 39, PAXOS_ACCEPT = 40, PAXOS_LEARN = 41, HINT_MUTATION = 42, PAXOS_PRUNE = 43, LAST = 44, }; static const val64_string packettypenames[] = { {CLIENT_ID, "CLIENT_ID"}, {MUTATION, "MUTATION"}, {MUTATION_DONE, "MUTATION_DONE"}, {READ_DATA, "READ_DATA"}, {READ_MUTATION_DATA, "READ_MUTATION_DATA"}, {READ_DIGEST, "READ_DIGEST"}, {GOSSIP_DIGEST_SYN, "GOSSIP_DIGEST_SYN"}, {GOSSIP_DIGEST_ACK, "GOSSIP_DIGEST_ACK"}, {GOSSIP_DIGEST_ACK2, "GOSSIP_DIGEST_ACK2"}, {GOSSIP_ECHO, "GOSSIP_ECHO"}, {GOSSIP_SHUTDOWN, "GOSSIP_SHUTDOWN"}, {DEFINITIONS_UPDATE, "DEFINITIONS_UPDATE"}, {TRUNCATE, "TRUNCATE"}, {REPLICATION_FINISHED, "REPLICATION_FINISHED"}, {MIGRATION_REQUEST, "MIGRATION_REQUEST"}, {PREPARE_MESSAGE, "PREPARE_MESSAGE"}, {PREPARE_DONE_MESSAGE, "PREPARE_DONE_MESSAGE"}, {STREAM_MUTATION, "STREAM_MUTATION"}, {STREAM_MUTATION_DONE, "STREAM_MUTATION_DONE"}, {COMPLETE_MESSAGE, "COMPLETE_MESSAGE"}, {REPAIR_CHECKSUM_RANGE, "REPAIR_CHECKSUM_RANGE"}, {GET_SCHEMA_VERSION, "GET_SCHEMA_VERSION"}, {SCHEMA_CHECK, "SCHEMA_CHECK"}, {COUNTER_MUTATION, "COUNTER_MUTATION"}, {MUTATION_FAILED, "MUTATION_FAILED"}, {STREAM_MUTATION_FRAGMENTS, "STREAM_MUTATION_FRAGMENTS"}, {REPAIR_ROW_LEVEL_START, "REPAIR_ROW_LEVEL_START"}, {REPAIR_ROW_LEVEL_STOP, "REPAIR_ROW_LEVEL_STOP"}, {REPAIR_GET_FULL_ROW_HASHES, "REPAIR_GET_FULL_ROW_HASHES"}, {REPAIR_GET_COMBINED_ROW_HASH, "REPAIR_GET_COMBINED_ROW_HASH"}, {REPAIR_GET_SYNC_BOUNDARY, "REPAIR_GET_SYNC_BOUNDARY"}, {REPAIR_GET_ROW_DIFF, "REPAIR_GET_ROW_DIFF"}, {REPAIR_PUT_ROW_DIFF, "REPAIR_PUT_ROW_DIFF"}, {REPAIR_GET_ESTIMATED_PARTITIONS, "REPAIR_GET_ESTIMATED_PARTITIONS"}, {REPAIR_SET_ESTIMATED_PARTITIONS, "REPAIR_SET_ESTIMATED_PARTITIONS"}, {REPAIR_GET_DIFF_ALGORITHMS, "REPAIR_GET_DIFF_ALGORITHMS"}, {REPAIR_GET_ROW_DIFF_WITH_RPC_STREAM, "REPAIR_GET_ROW_DIFF_WITH_RPC_STREAM"}, {REPAIR_PUT_ROW_DIFF_WITH_RPC_STREAM, "REPAIR_PUT_ROW_DIFF_WITH_RPC_STREAM"}, {REPAIR_GET_FULL_ROW_HASHES_WITH_RPC_STREAM, "REPAIR_GET_FULL_ROW_HASHES_WITH_RPC_STREAM"}, {PAXOS_PREPARE, "PAXOS_PREPARE"}, {PAXOS_ACCEPT, "PAXOS_ACCEPT"}, {PAXOS_LEARN, "PAXOS_LEARN"}, {HINT_MUTATION, "HINT_MUTATION"}, {PAXOS_PRUNE, "PAXOS_PRUNE"}, {0, NULL} }; static gboolean looks_like_rpc_negotiation(tvbuff_t *tvb, const gint offset) { return tvb_memeql(tvb, offset, (const guint8 *)"SSTARRPC", 8) == 0; } static gboolean looks_like_response(guint64 verb_type, guint32 len) { return verb_type >= LAST || len > 64*1024*1024; } typedef struct { guint64 verb_type; guint32 request_frame_num; guint32 response_frame_num; } request_response_t; static guint get_scylla_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_) { guint64 verb_type = LAST; guint32 plen = 0; if (looks_like_rpc_negotiation(tvb, offset)) { return tvb_get_letohl(tvb, offset + SCYLLA_NEGOTIATION_LEN_OFFSET) + SCYLLA_NEGOTIATION_SIZE; } if (tvb_reported_length(tvb) >= SCYLLA_HEADER_SIZE) { plen = tvb_get_letohl(tvb, offset + SCYLLA_HEADER_LEN_OFFSET); verb_type = tvb_get_letoh64(tvb, offset + SCYLLA_HEADER_VERB_OFFSET); } if (looks_like_response(verb_type, plen)) { return tvb_get_letohl(tvb, offset + SCYLLA_RESPONSE_LEN_OFFSET) + SCYLLA_RESPONSE_SIZE; } return plen + SCYLLA_HEADER_SIZE; } static int dissect_scylla_negotiation_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *scylla_tree) { gint offset = 0; guint32 len = tvb_get_letohl(tvb, offset + SCYLLA_NEGOTIATION_LEN_OFFSET) + SCYLLA_NEGOTIATION_SIZE; proto_tree *scylla_negotiation_tree = proto_tree_add_subtree(scylla_tree, tvb, offset, len, ett_scylla_negotiation, NULL, "Protocol negotiation"); proto_tree_add_item(scylla_negotiation_tree, hf_scylla_negotiation_magic, tvb, offset, 8, ENC_ASCII); gint negotiation_offset = 8; proto_tree_add_item(scylla_negotiation_tree, hf_scylla_negotiation_size, tvb, offset + negotiation_offset, 4, ENC_LITTLE_ENDIAN); negotiation_offset += 4; proto_tree_add_item(scylla_negotiation_tree, hf_scylla_payload, tvb, offset + negotiation_offset, len - negotiation_offset, ENC_NA); col_set_str(pinfo->cinfo, COL_PROTOCOL, "Scylla"); col_set_str(pinfo->cinfo, COL_INFO, "Protocol negotiation"); return tvb_reported_length(tvb); } static int dissect_scylla_response_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *scylla_tree, request_response_t *req_resp) { gint offset = 0; guint32 len = tvb_get_letohl(tvb, offset + SCYLLA_RESPONSE_LEN_OFFSET) + SCYLLA_RESPONSE_SIZE; /* Add response subtree */ proto_item *response_ti = proto_tree_add_string_format(scylla_tree, hf_scylla_response, tvb, offset, len, "", "Response"); proto_tree *scylla_response_tree = proto_item_add_subtree(response_ti, ett_scylla_response); gint resp_offset = 0; guint64 msg_id; proto_tree_add_item_ret_uint64(scylla_response_tree, hf_scylla_msg_id, tvb, offset + resp_offset, 8, ENC_LITTLE_ENDIAN, &msg_id); resp_offset += 8; proto_tree_add_item(scylla_response_tree, hf_scylla_response_size, tvb, offset + resp_offset, 4, ENC_LITTLE_ENDIAN); resp_offset += 4; proto_tree_add_item(scylla_response_tree, hf_scylla_payload, tvb, offset + resp_offset, len - resp_offset, ENC_NA); col_set_str(pinfo->cinfo, COL_PROTOCOL, "Scylla"); if (req_resp) { /* Fill in the response frame */ req_resp->response_frame_num = pinfo->num; proto_item *verb_item = proto_tree_add_uint64(scylla_response_tree, hf_scylla_verb, tvb, offset + len, 8, req_resp->verb_type); proto_item_set_generated(verb_item); proto_item *req = proto_tree_add_uint(scylla_tree, hf_scylla_response_request_frame, tvb, 0, 0, req_resp->request_frame_num); proto_item_set_generated(req); proto_item_append_text(response_ti, " (msg_id=%" PRIu64 ", %s)", msg_id, val64_to_str(req_resp->verb_type, packettypenames, "Unknown (0x%02x)")); col_clear(pinfo->cinfo, COL_INFO); col_add_fstr(pinfo->cinfo, COL_INFO, "Response for %s", val64_to_str(req_resp->verb_type, packettypenames, "Unknown (0x%02x)")); } else { col_set_str(pinfo->cinfo, COL_INFO, "Response for unknown packet"); } return tvb_reported_length(tvb); } static int dissect_scylla_msg_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *scylla_tree, proto_item *ti, guint64 verb_type, guint32 len, request_response_t *req_resp) { gint offset = 0; /* Add request subtree */ proto_item *request_ti = proto_tree_add_string_format(scylla_tree, hf_scylla_request, tvb, offset, SCYLLA_HEADER_SIZE, "", "Header for %s", val64_to_str(verb_type, packettypenames, "Unknown (0x%02x)")); proto_tree *scylla_header_tree = proto_item_add_subtree(request_ti, ett_scylla_response); proto_tree_add_item(scylla_header_tree, hf_scylla_timeout, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; proto_item_append_text(ti, ", Type %s", val64_to_str(verb_type, packettypenames, "Unknown (0x%02x)")); proto_tree_add_item(scylla_header_tree, hf_scylla_verb, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; guint64 msg_id; proto_tree_add_item_ret_uint64(scylla_header_tree, hf_scylla_msg_id, tvb, offset, 8, ENC_LITTLE_ENDIAN, &msg_id); offset += 8; proto_tree_add_item(scylla_header_tree, hf_scylla_len, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_item_append_text(request_ti, " (msg_id=%" PRIu64 ")", msg_id); switch (verb_type) { case MUTATION: { proto_tree* scylla_mut_tree = proto_tree_add_subtree(scylla_tree, tvb, offset, len, ett_scylla_mut, NULL, "Mutation"); gint mut_offset = 0; guint32 len_keys; guint32 num_keys; proto_tree_add_item(scylla_mut_tree, hf_scylla_mut_size1, tvb, offset + mut_offset, 4, ENC_LITTLE_ENDIAN); mut_offset += 4; proto_tree_add_item(scylla_mut_tree, hf_scylla_mut_size2, tvb, offset + mut_offset, 4, ENC_LITTLE_ENDIAN); mut_offset += 4; proto_tree_add_item(scylla_mut_tree, hf_scylla_mut_table_id, tvb, offset + mut_offset, 16, ENC_NA); mut_offset += 16; proto_tree_add_item(scylla_mut_tree, hf_scylla_mut_schema_id, tvb, offset + mut_offset, 16, ENC_NA); mut_offset += 16; proto_tree_add_item_ret_uint(scylla_mut_tree, hf_scylla_mut_len_pkeys, tvb, offset + mut_offset, 4, ENC_LITTLE_ENDIAN, &len_keys); mut_offset += 4; proto_tree* scylla_mut_pkey_tree = proto_tree_add_subtree(scylla_mut_tree, tvb, offset + mut_offset, len - mut_offset, ett_scylla_mut_pkey, NULL, "Partition key"); proto_tree_add_item_ret_uint(scylla_mut_pkey_tree, hf_scylla_mut_num_pkeys, tvb, offset + mut_offset, 4, ENC_LITTLE_ENDIAN, &num_keys); mut_offset += 4; guint i; for (i = 0; i < num_keys; ++i) { guint32 len_pkey = tvb_get_letohl(tvb, offset + mut_offset); proto_tree_add_item(scylla_mut_pkey_tree, hf_scylla_mut_len_pkey, tvb, offset + mut_offset, 4, ENC_LITTLE_ENDIAN); mut_offset += 4; proto_tree_add_item(scylla_mut_pkey_tree, hf_scylla_mut_pkey, tvb, offset + mut_offset, len_pkey, ENC_NA); mut_offset += len_pkey; } // TODO: dissect further proto_tree_add_item(scylla_mut_tree, hf_scylla_payload, tvb, offset + mut_offset, len - mut_offset, ENC_NA); } break; case READ_DATA: { proto_tree* scylla_read_tree = proto_tree_add_subtree(scylla_tree, tvb, offset, len, ett_scylla_read_data, NULL, "Read data"); gint rd_offset = 0; proto_tree_add_item(scylla_read_tree, hf_scylla_read_data_timeout, tvb, offset + rd_offset, 4, ENC_LITTLE_ENDIAN); rd_offset += 4; proto_tree_add_item(scylla_read_tree, hf_scylla_read_data_table_id, tvb, offset + rd_offset, 16, ENC_NA); rd_offset += 16; proto_tree_add_item(scylla_read_tree, hf_scylla_read_data_schema_version, tvb, offset + rd_offset, 16, ENC_NA); rd_offset += 16; //TODO: dissect further proto_tree_add_item(scylla_read_tree, hf_scylla_payload, tvb, offset + rd_offset, len - rd_offset, ENC_NA); } break; default: // Generic payload. TODO: dissect proto_tree_add_item(scylla_tree, hf_scylla_payload, tvb, offset, len, ENC_NA); break; } /* req_resp will only be set if fd was already visited (PINFO_FD_VISITED(pinfo)) */ if (req_resp) { if (req_resp->response_frame_num > 0) { proto_item *rep = proto_tree_add_uint(scylla_tree, hf_scylla_request_response_frame, tvb, 0, 0, req_resp->response_frame_num); proto_item_set_generated(rep); } else { expert_add_info(pinfo, request_ti, &ei_scylla_response_missing); } } col_set_str(pinfo->cinfo, COL_PROTOCOL, "Scylla"); col_clear(pinfo->cinfo, COL_INFO); col_add_fstr(pinfo->cinfo, COL_INFO, "Request %s", val64_to_str(verb_type, packettypenames, "Unknown (0x%02x)")); return tvb_reported_length(tvb); } static gboolean response_expected(guint64 verb_type) { switch (verb_type) { case GOSSIP_DIGEST_SYN: case GOSSIP_DIGEST_ACK: case GOSSIP_DIGEST_ACK2: case GOSSIP_SHUTDOWN: case DEFINITIONS_UPDATE: case MUTATION: case MUTATION_DONE: case MUTATION_FAILED: case HINT_MUTATION: case PAXOS_LEARN: case PAXOS_PRUNE: return FALSE; default: return TRUE; } } static int dissect_scylla_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { gint offset = 0; conversation_t *conversation; wmem_map_t *conv_map; proto_item *ti = proto_tree_add_item(tree, proto_scylla, tvb, 0, -1, ENC_NA); proto_tree *scylla_tree = proto_item_add_subtree(ti, ett_scylla); guint64 verb_type = LAST; guint32 len = 0; if (looks_like_rpc_negotiation(tvb, offset)) { return dissect_scylla_negotiation_pdu(tvb, pinfo, scylla_tree); } if (tvb_reported_length(tvb) >= SCYLLA_HEADER_SIZE) { verb_type = tvb_get_letoh64(tvb, offset + SCYLLA_HEADER_VERB_OFFSET); len = tvb_get_letohl(tvb, offset + SCYLLA_HEADER_LEN_OFFSET); } conversation = find_or_create_conversation(pinfo); conv_map = (wmem_map_t *)conversation_get_proto_data(conversation, proto_scylla); if (conv_map == NULL) { conv_map = wmem_map_new(wmem_file_scope(), wmem_int64_hash, g_int64_equal); conversation_add_proto_data(conversation, proto_scylla, conv_map); } if (looks_like_response(verb_type, len)) { void *req_resp; guint64 msg_id; msg_id = tvb_get_letoh64(tvb, offset + SCYLLA_RESPONSE_MSG_ID_OFFSET); req_resp = wmem_map_lookup(conv_map, &msg_id); return dissect_scylla_response_pdu(tvb, pinfo, scylla_tree, (request_response_t *)req_resp); } guint64 msg_id = tvb_get_letoh64(tvb, offset + SCYLLA_HEADER_MSG_ID_OFFSET); void *req_resp = NULL; if (response_expected(verb_type)) { if (!PINFO_FD_VISITED(pinfo)) { guint64 *key = wmem_new(wmem_file_scope(), guint64); request_response_t *val = wmem_new(wmem_file_scope(), request_response_t); *key = msg_id; val->verb_type = verb_type; val->request_frame_num = pinfo->num; wmem_map_insert(conv_map, key, val); } else { req_resp = wmem_map_lookup(conv_map, &msg_id); } } return dissect_scylla_msg_pdu(tvb, pinfo, scylla_tree, ti, verb_type, len, (request_response_t *)req_resp); } static int dissect_scylla(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { tcp_dissect_pdus(tvb, pinfo, tree, scylla_desegment, SCYLLA_NEGOTIATION_SIZE, get_scylla_pdu_len, dissect_scylla_pdu, data); return tvb_reported_length(tvb); } void proto_register_scylla(void) { static hf_register_info hf[] = { // RPC header { &hf_scylla_request, { "request", "scylla.request", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_request_response_frame, { "Response frame", "scylla.request.response", FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_RESPONSE), 0x0, NULL, HFILL } }, { &hf_scylla_timeout, { "RPC timeout", "scylla.timeout", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_verb, { "verb", "scylla.verb", FT_UINT64, BASE_DEC|BASE_VAL64_STRING, VALS64(packettypenames), 0x0, NULL, HFILL } }, { &hf_scylla_msg_id, { "msg id", "scylla.msg_id", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_len, { "packet length", "scylla.len", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_payload, { "payload", "scylla.payload", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_response, { "response", "scylla.response", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_response_size, { "response size", "scylla.response.size", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_response_request_frame, { "Request frame", "scylla.response.request", FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_REQUEST), 0x0, NULL, HFILL } }, { &hf_scylla_negotiation_magic, { "negotiation magic sequence", "scylla.negotiation.magic", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_negotiation_size, { "negotiation size", "scylla.negotiation.size", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, // mutation verb { &hf_scylla_mut_size1, { "mutation size 1", "scylla.mut.size1", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_mut_size2, { "mutation size 2", "scylla.mut.size2", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_mut_table_id, { "mutation table id", "scylla.mut.table_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_mut_schema_id, { "mutation schema id", "scylla.mut.schema_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_mut_len_pkeys, { "size of partition keys payload", "scylla.mut.len_pkeys", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_mut_num_pkeys, { "number of partition keys", "scylla.mut.num_pkeys", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_mut_len_pkey, { "length of a partition key", "scylla.mut.len_pkey", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_mut_pkey, { "partition key", "scylla.mut.pkey", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, // read_data verb { &hf_scylla_read_data_timeout, { "timeout", "scylla.read_data.timeout", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_read_data_table_id, { "table ID", "scylla.read_data.table_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_scylla_read_data_schema_version, { "Schema version", "scylla.read_data.schema_version", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, }; static ei_register_info ei[] = { { &ei_scylla_response_missing, { "scylla.ei_scylla_response_missing", PI_COMMENTS_GROUP, PI_NOTE, "Response has not arrived yet", EXPFILL }}, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_scylla, &ett_scylla_header, &ett_scylla_response, &ett_scylla_negotiation, &ett_scylla_mut, &ett_scylla_mut_pkey, &ett_scylla_read_data, }; expert_module_t* expert_scylla; proto_scylla = proto_register_protocol("Scylla RPC protocol", "Scylla", "scylla"); module_t* scylla_module = prefs_register_protocol(proto_scylla, NULL); prefs_register_bool_preference(scylla_module, "desegment", "Desegment all Scylla messages spanning multiple TCP segments", "Whether Scylla dissector should desegment all messages spanning multiple TCP segments", &scylla_desegment); proto_register_field_array(proto_scylla, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_scylla = expert_register_protocol(proto_scylla); expert_register_field_array(expert_scylla, ei, array_length(ei)); } void proto_reg_handoff_scylla(void) { static dissector_handle_t scylla_handle; scylla_handle = create_dissector_handle(dissect_scylla, proto_scylla); dissector_add_uint_with_preference("tcp.port", SCYLLA_PORT, scylla_handle); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */