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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-kafka.c
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-kafka.c')
-rw-r--r--epan/dissectors/packet-kafka.c10318
1 files changed, 10318 insertions, 0 deletions
diff --git a/epan/dissectors/packet-kafka.c b/epan/dissectors/packet-kafka.c
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+++ b/epan/dissectors/packet-kafka.c
@@ -0,0 +1,10318 @@
+/* packet-kafka.c
+ * Routines for Apache Kafka Protocol dissection (version 0.8 - 2.5)
+ * Copyright 2013, Evan Huus <eapache@gmail.com>
+ * Update from Kafka 0.10.1.0 to 2.5 by Piotr Smolinski <piotr.smolinski@confluent.io>
+ *
+ * https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol
+ * https://kafka.apache.org/protocol.html
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/expert.h>
+#include <epan/prefs.h>
+#include <epan/proto_data.h>
+#ifdef HAVE_SNAPPY
+#include <snappy-c.h>
+#endif
+#ifdef HAVE_LZ4FRAME_H
+#include <lz4.h>
+#include <lz4frame.h>
+#endif
+#include "packet-tcp.h"
+#include "packet-tls.h"
+
+void proto_register_kafka(void);
+void proto_reg_handoff_kafka(void);
+
+static int proto_kafka = -1;
+
+static int hf_kafka_len = -1;
+static int hf_kafka_api_key = -1;
+static int hf_kafka_api_version = -1;
+static int hf_kafka_request_api_key = -1;
+static int hf_kafka_response_api_key = -1;
+static int hf_kafka_request_api_version = -1;
+static int hf_kafka_response_api_version = -1;
+static int hf_kafka_correlation_id = -1;
+static int hf_kafka_client_id = -1;
+static int hf_kafka_client_host = -1;
+static int hf_kafka_required_acks = -1;
+static int hf_kafka_timeout = -1;
+static int hf_kafka_topic_name = -1;
+static int hf_kafka_transactional_id = -1;
+static int hf_kafka_transaction_result = -1;
+static int hf_kafka_transaction_timeout = -1;
+static int hf_kafka_partition_id = -1;
+static int hf_kafka_replica = -1;
+static int hf_kafka_replication_factor = -1;
+static int hf_kafka_isr = -1;
+static int hf_kafka_offline = -1;
+static int hf_kafka_last_stable_offset = -1;
+static int hf_kafka_log_start_offset = -1;
+static int hf_kafka_first_offset = -1;
+static int hf_kafka_producer_id = -1;
+static int hf_kafka_producer_epoch = -1;
+static int hf_kafka_message_size = -1;
+static int hf_kafka_message_crc = -1;
+static int hf_kafka_message_magic = -1;
+static int hf_kafka_message_codec = -1;
+static int hf_kafka_message_timestamp_type = -1;
+static int hf_kafka_message_timestamp = -1;
+static int hf_kafka_batch_crc = -1;
+static int hf_kafka_batch_codec = -1;
+static int hf_kafka_batch_timestamp_type = -1;
+static int hf_kafka_batch_transactional = -1;
+static int hf_kafka_batch_control_batch = -1;
+static int hf_kafka_batch_last_offset_delta = -1;
+static int hf_kafka_batch_first_timestamp = -1;
+static int hf_kafka_batch_last_timestamp = -1;
+static int hf_kafka_batch_base_sequence = -1;
+static int hf_kafka_batch_size = -1;
+static int hf_kafka_batch_index = -1;
+static int hf_kafka_batch_index_error_message = -1;
+static int hf_kafka_message_key = -1;
+static int hf_kafka_message_value = -1;
+static int hf_kafka_message_compression_reduction = -1;
+static int hf_kafka_truncated_content = -1;
+static int hf_kafka_request_frame = -1;
+static int hf_kafka_response_frame = -1;
+static int hf_kafka_consumer_group = -1;
+static int hf_kafka_consumer_group_instance = -1;
+static int hf_kafka_coordinator_key = -1;
+static int hf_kafka_coordinator_type = -1;
+static int hf_kafka_group_state = -1;
+static int hf_kafka_offset = -1;
+static int hf_kafka_offset_time = -1;
+static int hf_kafka_max_offsets = -1;
+static int hf_kafka_metadata = -1;
+static int hf_kafka_error = -1;
+static int hf_kafka_error_message = -1;
+static int hf_kafka_broker_nodeid = -1;
+static int hf_kafka_broker_epoch = -1;
+static int hf_kafka_broker_host = -1;
+static int hf_kafka_listener_name = -1;
+static int hf_kafka_broker_port = -1;
+static int hf_kafka_rack = -1;
+static int hf_kafka_broker_security_protocol_type = -1;
+static int hf_kafka_cluster_id = -1;
+static int hf_kafka_controller_id = -1;
+static int hf_kafka_controller_epoch = -1;
+static int hf_kafka_delete_partitions = -1;
+static int hf_kafka_leader_id = -1;
+static int hf_kafka_group_leader_id = -1;
+static int hf_kafka_leader_epoch = -1;
+static int hf_kafka_current_leader_epoch = -1;
+static int hf_kafka_is_internal = -1;
+static int hf_kafka_isolation_level = -1;
+static int hf_kafka_min_bytes = -1;
+static int hf_kafka_max_bytes = -1;
+static int hf_kafka_max_wait_time = -1;
+static int hf_kafka_throttle_time = -1;
+static int hf_kafka_api_versions_api_key = -1;
+static int hf_kafka_api_versions_min_version = -1;
+static int hf_kafka_api_versions_max_version = -1;
+static int hf_kafka_session_timeout = -1;
+static int hf_kafka_rebalance_timeout = -1;
+static int hf_kafka_member_id = -1;
+static int hf_kafka_protocol_type = -1;
+static int hf_kafka_protocol_name = -1;
+static int hf_kafka_protocol_metadata = -1;
+static int hf_kafka_member_metadata = -1;
+static int hf_kafka_generation_id = -1;
+static int hf_kafka_member_assignment = -1;
+static int hf_kafka_sasl_mechanism = -1;
+static int hf_kafka_num_partitions = -1;
+static int hf_kafka_zk_version = -1;
+static int hf_kafka_is_new_replica = -1;
+static int hf_kafka_config_key = -1;
+static int hf_kafka_config_value = -1;
+static int hf_kafka_commit_timestamp = -1;
+static int hf_kafka_retention_time = -1;
+static int hf_kafka_forgotten_topic_name = -1;
+static int hf_kafka_forgotten_topic_partition = -1;
+static int hf_kafka_fetch_session_id = -1;
+static int hf_kafka_fetch_session_epoch = -1;
+static int hf_kafka_require_stable_offset = -1;
+static int hf_kafka_record_header_key = -1;
+static int hf_kafka_record_header_value = -1;
+static int hf_kafka_record_attributes = -1;
+static int hf_kafka_allow_auto_topic_creation = -1;
+static int hf_kafka_validate_only = -1;
+static int hf_kafka_coordinator_epoch = -1;
+static int hf_kafka_sasl_auth_bytes = -1;
+static int hf_kafka_session_lifetime_ms = -1;
+static int hf_kafka_acl_resource_type = -1;
+static int hf_kafka_acl_resource_name = -1;
+static int hf_kafka_acl_resource_pattern_type = -1;
+static int hf_kafka_acl_principal = -1;
+static int hf_kafka_acl_host = -1;
+static int hf_kafka_acl_operation = -1;
+static int hf_kafka_acl_permission_type = -1;
+static int hf_kafka_config_resource_type = -1;
+static int hf_kafka_config_resource_name = -1;
+static int hf_kafka_config_include_synonyms = -1;
+static int hf_kafka_config_source = -1;
+static int hf_kafka_config_readonly = -1;
+static int hf_kafka_config_default = -1;
+static int hf_kafka_config_sensitive = -1;
+static int hf_kafka_config_operation = -1;
+static int hf_kafka_log_dir = -1;
+static int hf_kafka_segment_size = -1;
+static int hf_kafka_offset_lag = -1;
+static int hf_kafka_future = -1;
+static int hf_kafka_partition_count = -1;
+static int hf_kafka_token_max_life_time = -1;
+static int hf_kafka_token_renew_time = -1;
+static int hf_kafka_token_expiry_time = -1;
+static int hf_kafka_token_principal_type = -1;
+static int hf_kafka_token_principal_name = -1;
+static int hf_kafka_token_issue_timestamp = -1;
+static int hf_kafka_token_expiry_timestamp = -1;
+static int hf_kafka_token_max_timestamp = -1;
+static int hf_kafka_token_id = -1;
+static int hf_kafka_token_hmac = -1;
+static int hf_kafka_include_cluster_authorized_ops = -1;
+static int hf_kafka_include_topic_authorized_ops = -1;
+static int hf_kafka_include_group_authorized_ops = -1;
+static int hf_kafka_cluster_authorized_ops = -1;
+static int hf_kafka_topic_authorized_ops = -1;
+static int hf_kafka_group_authorized_ops = -1;
+static int hf_kafka_election_type = -1;
+static int hf_kafka_tagged_field_tag = -1;
+static int hf_kafka_tagged_field_data = -1;
+static int hf_kafka_client_software_name = -1;
+static int hf_kafka_client_software_version = -1;
+
+static int ett_kafka = -1;
+static int ett_kafka_batch = -1;
+static int ett_kafka_message = -1;
+static int ett_kafka_message_set = -1;
+static int ett_kafka_replicas = -1;
+static int ett_kafka_isrs = -1;
+static int ett_kafka_offline = -1;
+static int ett_kafka_broker = -1;
+static int ett_kafka_brokers = -1;
+static int ett_kafka_broker_end_point = -1;
+static int ett_kafka_markers = -1;
+static int ett_kafka_marker = -1;
+static int ett_kafka_topics = -1;
+static int ett_kafka_topic = -1;
+static int ett_kafka_partitions = -1;
+static int ett_kafka_partition = -1;
+static int ett_kafka_api_version = -1;
+static int ett_kafka_group_protocols = -1;
+static int ett_kafka_group_protocol = -1;
+static int ett_kafka_group_members = -1;
+static int ett_kafka_group_member = -1;
+static int ett_kafka_group_assignments = -1;
+static int ett_kafka_group_assignment = -1;
+static int ett_kafka_groups = -1;
+static int ett_kafka_group = -1;
+static int ett_kafka_sasl_enabled_mechanisms = -1;
+static int ett_kafka_replica_assignment = -1;
+static int ett_kafka_configs = -1;
+static int ett_kafka_config = -1;
+static int ett_kafka_request_forgotten_topic = -1;
+static int ett_kafka_record = -1;
+static int ett_kafka_record_headers = -1;
+static int ett_kafka_record_headers_header = -1;
+static int ett_kafka_aborted_transactions = -1;
+static int ett_kafka_aborted_transaction = -1;
+static int ett_kafka_resources = -1;
+static int ett_kafka_resource = -1;
+static int ett_kafka_acls = -1;
+static int ett_kafka_acl = -1;
+static int ett_kafka_acl_creations = -1;
+static int ett_kafka_acl_creation = -1;
+static int ett_kafka_acl_filters = -1;
+static int ett_kafka_acl_filter = -1;
+static int ett_kafka_acl_filter_matches = -1;
+static int ett_kafka_acl_filter_match = -1;
+static int ett_kafka_config_synonyms = -1;
+static int ett_kafka_config_synonym = -1;
+static int ett_kafka_config_entries = -1;
+static int ett_kafka_config_entry = -1;
+static int ett_kafka_log_dirs = -1;
+static int ett_kafka_log_dir = -1;
+static int ett_kafka_renewers = -1;
+static int ett_kafka_renewer = -1;
+static int ett_kafka_owners = -1;
+static int ett_kafka_owner = -1;
+static int ett_kafka_tokens = -1;
+static int ett_kafka_token = -1;
+/* in Kafka 2.5 these structures have been added, but not yet used */
+static int ett_kafka_tagged_fields = -1;
+static int ett_kafka_tagged_field = -1;
+static int ett_kafka_record_errors = -1;
+static int ett_kafka_record_error = -1;
+
+static expert_field ei_kafka_request_missing = EI_INIT;
+static expert_field ei_kafka_unknown_api_key = EI_INIT;
+static expert_field ei_kafka_unsupported_api_version = EI_INIT;
+static expert_field ei_kafka_bad_string_length = EI_INIT;
+static expert_field ei_kafka_bad_bytes_length = EI_INIT;
+static expert_field ei_kafka_bad_array_length = EI_INIT;
+static expert_field ei_kafka_bad_record_length = EI_INIT;
+static expert_field ei_kafka_bad_varint = EI_INIT;
+static expert_field ei_kafka_bad_message_set_length = EI_INIT;
+static expert_field ei_kafka_bad_decompression_length = EI_INIT;
+static expert_field ei_kafka_zero_decompression_length = EI_INIT;
+static expert_field ei_kafka_unknown_message_magic = EI_INIT;
+static expert_field ei_kafka_pdu_length_mismatch = EI_INIT;
+
+typedef gint16 kafka_api_key_t;
+typedef gint16 kafka_api_version_t;
+typedef gint16 kafka_error_t;
+typedef gint32 kafka_partition_t;
+typedef gint64 kafka_offset_t;
+
+typedef struct _kafka_api_info_t {
+ kafka_api_key_t api_key;
+ const char *name;
+ /* If api key is not supported then set min_version and max_version to -1 */
+ kafka_api_version_t min_version;
+ kafka_api_version_t max_version;
+ /* Added in Kafka 2.4. Protocol messages are upgraded gradually. */
+ kafka_api_version_t flexible_since;
+} kafka_api_info_t;
+
+#define KAFKA_TCP_DEFAULT_RANGE "9092"
+
+#define KAFKA_PRODUCE 0
+#define KAFKA_FETCH 1
+#define KAFKA_OFFSETS 2
+#define KAFKA_METADATA 3
+#define KAFKA_LEADER_AND_ISR 4
+#define KAFKA_STOP_REPLICA 5
+#define KAFKA_UPDATE_METADATA 6
+#define KAFKA_CONTROLLED_SHUTDOWN 7
+#define KAFKA_OFFSET_COMMIT 8
+#define KAFKA_OFFSET_FETCH 9
+#define KAFKA_FIND_COORDINATOR 10
+#define KAFKA_JOIN_GROUP 11
+#define KAFKA_HEARTBEAT 12
+#define KAFKA_LEAVE_GROUP 13
+#define KAFKA_SYNC_GROUP 14
+#define KAFKA_DESCRIBE_GROUPS 15
+#define KAFKA_LIST_GROUPS 16
+#define KAFKA_SASL_HANDSHAKE 17
+#define KAFKA_API_VERSIONS 18
+#define KAFKA_CREATE_TOPICS 19
+#define KAFKA_DELETE_TOPICS 20
+#define KAFKA_DELETE_RECORDS 21
+#define KAFKA_INIT_PRODUCER_ID 22
+#define KAFKA_OFFSET_FOR_LEADER_EPOCH 23
+#define KAFKA_ADD_PARTITIONS_TO_TXN 24
+#define KAFKA_ADD_OFFSETS_TO_TXN 25
+#define KAFKA_END_TXN 26
+#define KAFKA_WRITE_TXN_MARKERS 27
+#define KAFKA_TXN_OFFSET_COMMIT 28
+#define KAFKA_DESCRIBE_ACLS 29
+#define KAFKA_CREATE_ACLS 30
+#define KAFKA_DELETE_ACLS 31
+#define KAFKA_DESCRIBE_CONFIGS 32
+#define KAFKA_ALTER_CONFIGS 33
+#define KAFKA_ALTER_REPLICA_LOG_DIRS 34
+#define KAFKA_DESCRIBE_LOG_DIRS 35
+#define KAFKA_SASL_AUTHENTICATE 36
+#define KAFKA_CREATE_PARTITIONS 37
+#define KAFKA_CREATE_DELEGATION_TOKEN 38
+#define KAFKA_RENEW_DELEGATION_TOKEN 39
+#define KAFKA_EXPIRE_DELEGATION_TOKEN 40
+#define KAFKA_DESCRIBE_DELEGATION_TOKEN 41
+#define KAFKA_DELETE_GROUPS 42
+#define KAFKA_ELECT_LEADERS 43
+#define KAFKA_INC_ALTER_CONFIGS 44
+#define KAFKA_ALTER_PARTITION_REASSIGNMENTS 45
+#define KAFKA_LIST_PARTITION_REASSIGNMENTS 46
+#define KAFKA_OFFSET_DELETE 47
+
+/*
+ * Check for message changes here:
+ * https://github.com/apache/kafka/tree/trunk/clients/src/main/resources/common/message
+ * The values are:
+ * - api key
+ * - min supported version
+ * - max supported version
+ * - flexible since (new in 2.4) - drives if string fields are prefixed by short or varint (unsigned)
+ * Flexible request header is 2 and response header id 1.
+ * Note that request header version is hardcoded to 0 for ControlledShutdown v.0 and
+ * response header version for ApiVersions is always 0.
+ */
+static const kafka_api_info_t kafka_apis[] = {
+ { KAFKA_PRODUCE, "Produce",
+ 0, 8, -1 },
+ { KAFKA_FETCH, "Fetch",
+ 0, 11, -1 },
+ { KAFKA_OFFSETS, "Offsets",
+ 0, 5, -1 },
+ { KAFKA_METADATA, "Metadata",
+ 0, 9, 9 },
+ { KAFKA_LEADER_AND_ISR, "LeaderAndIsr",
+ 0, 4, 4 },
+ { KAFKA_STOP_REPLICA, "StopReplica",
+ 0, 2, 2 },
+ { KAFKA_UPDATE_METADATA, "UpdateMetadata",
+ 0, 6, 6 },
+ { KAFKA_CONTROLLED_SHUTDOWN, "ControlledShutdown",
+ 0, 3, 3 },
+ { KAFKA_OFFSET_COMMIT, "OffsetCommit",
+ 0, 8, 8 },
+ { KAFKA_OFFSET_FETCH, "OffsetFetch",
+ 0, 7, 6 },
+ { KAFKA_FIND_COORDINATOR, "FindCoordinator",
+ 0, 3, 3 },
+ { KAFKA_JOIN_GROUP, "JoinGroup",
+ 0, 7, 6 },
+ { KAFKA_HEARTBEAT, "Heartbeat",
+ 0, 4, 4 },
+ { KAFKA_LEAVE_GROUP, "LeaveGroup",
+ 0, 4, 4 },
+ { KAFKA_SYNC_GROUP, "SyncGroup",
+ 0, 5, 4 },
+ { KAFKA_DESCRIBE_GROUPS, "DescribeGroups",
+ 0, 5, 5 },
+ { KAFKA_LIST_GROUPS, "ListGroups",
+ 0, 3, 3 },
+ { KAFKA_SASL_HANDSHAKE, "SaslHandshake",
+ 0, 1, -1 },
+ { KAFKA_API_VERSIONS, "ApiVersions",
+ 0, 3, 3 },
+ { KAFKA_CREATE_TOPICS, "CreateTopics",
+ 0, 5, 5 },
+ { KAFKA_DELETE_TOPICS, "DeleteTopics",
+ 0, 4, 4 },
+ { KAFKA_DELETE_RECORDS, "DeleteRecords",
+ 0, 1, -1 },
+ { KAFKA_INIT_PRODUCER_ID, "InitProducerId",
+ 0, 3, 2 },
+ { KAFKA_OFFSET_FOR_LEADER_EPOCH, "OffsetForLeaderEpoch",
+ 0, 3, -1 },
+ { KAFKA_ADD_PARTITIONS_TO_TXN, "AddPartitionsToTxn",
+ 0, 1, -1 },
+ { KAFKA_ADD_OFFSETS_TO_TXN, "AddOffsetsToTxn",
+ 0, 1, -1 },
+ { KAFKA_END_TXN, "EndTxn",
+ 0, 1, -1 },
+ { KAFKA_WRITE_TXN_MARKERS, "WriteTxnMarkers",
+ 0, 0, -1 },
+ { KAFKA_TXN_OFFSET_COMMIT, "TxnOffsetCommit",
+ 0, 3, 3 },
+ { KAFKA_DESCRIBE_ACLS, "DescribeAcls",
+ 0, 2, 2 },
+ { KAFKA_CREATE_ACLS, "CreateAcls",
+ 0, 2, 2 },
+ { KAFKA_DELETE_ACLS, "DeleteAcls",
+ 0, 2, 2 },
+ { KAFKA_DESCRIBE_CONFIGS, "DescribeConfigs",
+ 0, 2, -1 },
+ { KAFKA_ALTER_CONFIGS, "AlterConfigs",
+ 0, 1, -1 },
+ { KAFKA_ALTER_REPLICA_LOG_DIRS, "AlterReplicaLogDirs",
+ 0, 1, -1 },
+ { KAFKA_DESCRIBE_LOG_DIRS, "DescribeLogDirs",
+ 0, 1, -1 },
+ { KAFKA_SASL_AUTHENTICATE, "SaslAuthenticate",
+ 0, 2, 2 },
+ { KAFKA_CREATE_PARTITIONS, "CreatePartitions",
+ 0, 2, 2 },
+ { KAFKA_CREATE_DELEGATION_TOKEN, "CreateDelegationToken",
+ 0, 2, 2 },
+ { KAFKA_RENEW_DELEGATION_TOKEN, "RenewDelegationToken",
+ 0, 2, 2 },
+ { KAFKA_EXPIRE_DELEGATION_TOKEN, "ExpireDelegationToken",
+ 0, 2, 2 },
+ { KAFKA_DESCRIBE_DELEGATION_TOKEN, "DescribeDelegationToken",
+ 0, 2, 2 },
+ { KAFKA_DELETE_GROUPS, "DeleteGroups",
+ 0, 2, 2 },
+ { KAFKA_ELECT_LEADERS, "ElectLeaders",
+ 0, 2, 2 },
+ { KAFKA_INC_ALTER_CONFIGS, "IncrementalAlterConfigs",
+ 0, 1, 1 },
+ { KAFKA_ALTER_PARTITION_REASSIGNMENTS, "AlterPartitionReassignments",
+ 0, 0, 0 },
+ { KAFKA_LIST_PARTITION_REASSIGNMENTS, "ListPartitionReassignments",
+ 0, 0, 0 },
+ { KAFKA_OFFSET_DELETE, "OffsetDelete",
+ 0, 0, -1 },
+};
+
+/*
+ * Generated from kafka_apis. Add 1 to length for last dummy element.
+ */
+static value_string kafka_api_names[array_length(kafka_apis) + 1];
+
+/*
+ * For the current list of error codes check here:
+ * https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/protocol/Errors.java
+ */
+static const value_string kafka_errors[] = {
+ { -1, "Unexpected Server Error" },
+ { 0, "No Error" },
+ { 1, "Offset Out Of Range" },
+ { 2, "Invalid Message" },
+ { 3, "Unknown Topic or Partition" },
+ { 4, "Invalid Message Size" },
+ { 5, "Leader Not Available" },
+ { 6, "Not Leader For Partition" },
+ { 7, "Request Timed Out" },
+ { 8, "Broker Not Available" },
+ { 10, "Message Size Too Large" },
+ { 11, "Stale Controller Epoch Code" },
+ { 12, "Offset Metadata Too Large" },
+ { 14, "Offsets Load In Progress" },
+ { 15, "The Coordinator is not Available" },
+ { 16, "Not Coordinator For Consumer" },
+ { 17, "Invalid topic" },
+ { 18, "Message batch larger than configured server segment size" },
+ { 19, "Not enough in-sync replicas" },
+ { 20, "Message(s) written to insufficient number of in-sync replicas" },
+ { 21, "Invalid required acks value" },
+ { 22, "Specified group generation id is not valid" },
+ { 23, "Inconsistent group protocol" },
+ { 24, "Invalid group.id" },
+ { 25, "Unknown member" },
+ { 26, "Invalid session timeout" },
+ { 27, "Group rebalance in progress" },
+ { 28, "Commit offset data size is not valid" },
+ { 29, "Topic authorization failed" },
+ { 30, "Group authorization failed" },
+ { 31, "Cluster authorization failed" },
+ { 32, "Invalid timestamp" },
+ { 33, "Unsupported SASL mechanism" },
+ { 34, "Illegal SASL state" },
+ { 35, "Unsupported version" },
+ { 36, "Topic already exists" },
+ { 37, "Invalid number of partitions" },
+ { 38, "Invalid replication-factor" },
+ { 39, "Invalid replica assignment" },
+ { 40, "Invalid configuration" },
+ { 41, "Not controller" },
+ { 42, "Invalid request" },
+ { 43, "Unsupported for Message Format" },
+ { 44, "Policy Violation" },
+ { 45, "Out of Order Sequence Number" },
+ { 46, "Duplicate Sequence Number" },
+ { 47, "Invalid Producer Epoch" },
+ { 48, "Invalid Transaction State" },
+ { 49, "Invalid Producer ID Mapping" },
+ { 50, "Invalid Transaction Timeout" },
+ { 51, "Concurrent Transactions" },
+ { 52, "Transaction Coordinator Fenced" },
+ { 53, "Transactional ID Authorization Failed" },
+ { 54, "Security Disabled" },
+ { 55, "Operation not Attempted" },
+ { 56, "Kafka Storage Error" },
+ { 57, "Log Directory not Found" },
+ { 58, "SASL Authentication failed" },
+ { 59, "Unknown Producer ID" },
+ { 60, "Partition Reassignment in Progress" },
+ { 61, "Delegation Token Auth Disabled" },
+ { 62, "Delegation Token not Found" },
+ { 63, "Delegation Token Owner Mismatch" },
+ { 64, "Delegation Token Request not Allowed" },
+ { 65, "Delegation Token Authorization Failed" },
+ { 66, "Delegation Token Expired" },
+ { 67, "Supplied Principal Type Unsupported" },
+ { 68, "Not Empty Group" },
+ { 69, "Group ID not Found" },
+ { 70, "Fetch Session ID not Found" },
+ { 71, "Invalid Fetch Session Epoch" },
+ { 72, "Listener not Found" },
+ { 73, "Topic Deletion Disabled" },
+ { 74, "Fenced Leader Epoch" },
+ { 75, "Unknown Leader Epoch" },
+ { 76, "Unsupported Compression Type" },
+ { 77, "Stale Broker Epoch" },
+ { 78, "Offset not Available" },
+ { 79, "Member ID Required" },
+ { 80, "Preferred Leader not Available" },
+ { 81, "Group Max Size Reached" },
+ { 82, "Fenced Instance ID" },
+ { 83, "Eligible topic partition leaders are not available" },
+ { 84, "Leader election not needed for topic partition" },
+ { 85, "No partition reassignment is in progress" },
+ { 86, "Deleting offsets of a topic is forbidden while the consumer group is actively subscribed to it" },
+ { 87, "This record has failed the validation on broker and hence will be rejected" },
+ { 88, "There are unstable offsets that need to be cleared" },
+ { 0, NULL }
+};
+
+#define KAFKA_ACK_NOT_REQUIRED 0
+#define KAFKA_ACK_LEADER 1
+#define KAFKA_ACK_FULL_ISR -1
+static const value_string kafka_acks[] = {
+ { KAFKA_ACK_NOT_REQUIRED, "Not Required" },
+ { KAFKA_ACK_LEADER, "Leader" },
+ { KAFKA_ACK_FULL_ISR, "Full ISR" },
+ { 0, NULL }
+};
+
+#define KAFKA_MESSAGE_CODEC_MASK 0x07
+#define KAFKA_MESSAGE_CODEC_NONE 0
+#define KAFKA_MESSAGE_CODEC_GZIP 1
+#define KAFKA_MESSAGE_CODEC_SNAPPY 2
+#define KAFKA_MESSAGE_CODEC_LZ4 3
+#define KAFKA_MESSAGE_CODEC_ZSTD 4
+static const value_string kafka_message_codecs[] = {
+ { KAFKA_MESSAGE_CODEC_NONE, "None" },
+ { KAFKA_MESSAGE_CODEC_GZIP, "Gzip" },
+ { KAFKA_MESSAGE_CODEC_SNAPPY, "Snappy" },
+ { KAFKA_MESSAGE_CODEC_LZ4, "LZ4" },
+ { KAFKA_MESSAGE_CODEC_ZSTD, "Zstd" },
+ { 0, NULL }
+};
+#ifdef HAVE_SNAPPY
+static const guint8 kafka_xerial_header[8] = {0x82, 0x53, 0x4e, 0x41, 0x50, 0x50, 0x59, 0x00};
+#endif
+
+#define KAFKA_MESSAGE_TIMESTAMP_MASK 0x08
+static const value_string kafka_message_timestamp_types[] = {
+ { 0, "CreateTime" },
+ { 1, "LogAppendTime" },
+ { 0, NULL }
+};
+
+#define KAFKA_BATCH_TRANSACTIONAL_MASK 0x10
+static const value_string kafka_batch_transactional_values[] = {
+ { 0, "Non-transactional" },
+ { 1, "Transactional" },
+ { 0, NULL }
+};
+
+#define KAFKA_BATCH_CONTROL_BATCH_MASK 0x20
+static const value_string kafka_batch_control_batch_values[] = {
+ { 0, "Data batch" },
+ { 1, "Control batch" },
+ { 0, NULL }
+};
+
+static const value_string kafka_coordinator_types[] = {
+ { 0, "Group" },
+ { 1, "Transaction" },
+ { 0, NULL }
+};
+
+static const value_string kafka_security_protocol_types[] = {
+ { 0, "PLAINTEXT" },
+ { 1, "SSL" },
+ { 2, "SASL_PLAINTEXT" },
+ { 3, "SASL_SSL" },
+ { 0, NULL }
+};
+
+static const value_string kafka_isolation_levels[] = {
+ { 0, "Read Uncommitted" },
+ { 1, "Read Committed" },
+ { 0, NULL }
+};
+
+static const value_string kafka_transaction_results[] = {
+ { 0, "ABORT" },
+ { 1, "COMMIT" },
+ { 0, NULL }
+};
+
+static const value_string acl_resource_types[] = {
+ { 0, "Unknown" },
+ { 1, "Any" },
+ { 2, "Topic" },
+ { 3, "Group" },
+ { 4, "Cluster" },
+ { 5, "TransactionalId" },
+ { 6, "DelegationToken" },
+ { 0, NULL }
+};
+
+static const value_string acl_resource_pattern_types[] = {
+ { 0, "Unknown" },
+ { 1, "Any" },
+ { 2, "Match" },
+ { 3, "Literal" },
+ { 4, "Prefixed" },
+ { 0, NULL }
+};
+
+static const value_string acl_operations[] = {
+ { 0, "Unknown" },
+ { 1, "Any" },
+ { 2, "All" },
+ { 3, "Read" },
+ { 4, "Write" },
+ { 5, "Create" },
+ { 6, "Delete" },
+ { 7, "Alter" },
+ { 8, "Describe" },
+ { 9, "Cluster Action" },
+ { 10, "Describe Configs" },
+ { 11, "Alter Configs" },
+ { 12, "Idempotent Write" },
+ { 0, NULL }
+};
+
+static const value_string acl_permission_types[] = {
+ { 0, "Unknown" },
+ { 1, "Any" },
+ { 2, "Deny" },
+ { 3, "Allow" },
+ { 0, NULL }
+};
+
+static const value_string config_resource_types[] = {
+ { 0, "Unknown" },
+ { 2, "Topic" },
+ { 4, "Broker" },
+ { 0, NULL }
+};
+
+static const value_string config_sources[] = {
+ { 0, "Unknown" },
+ { 1, "Topic" },
+ { 2, "Broker (Dynamic)" },
+ { 3, "Broker (Dynamic/Default)" },
+ { 4, "Broker (Static)" },
+ { 5, "Default" },
+ { 0, NULL }
+};
+
+static const value_string config_operations[] = {
+ { 0, "Set" },
+ { 1, "Delete" },
+ { 2, "Append" },
+ { 3, "Subtract" },
+ { 0, NULL }
+};
+
+static const value_string election_types[] = {
+ { 0, "Preferred" },
+ { 1, "Unclean" },
+ { 0, NULL }
+};
+
+/* Whether to show the lengths of string and byte fields in the protocol tree.
+ * It can be useful to see these, but they do clutter up the display, so disable
+ * by default */
+static gboolean kafka_show_string_bytes_lengths = FALSE;
+
+typedef struct _kafka_query_response_t {
+ kafka_api_key_t api_key;
+ kafka_api_version_t api_version;
+ guint32 correlation_id;
+ guint32 request_frame;
+ guint32 response_frame;
+ gboolean response_found;
+ gboolean flexible_api;
+} kafka_query_response_t;
+
+
+/* Some values to temporarily remember during dissection */
+typedef struct kafka_packet_values_t {
+ kafka_partition_t partition_id;
+ kafka_offset_t offset;
+} kafka_packet_values_t;
+
+/* Forward declaration (dissect_kafka_message_set() and dissect_kafka_message() call each other...) */
+static int
+dissect_kafka_message_set(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gint offset, guint len, guint8 codec);
+
+
+/* HELPERS */
+
+#ifdef HAVE_LZ4FRAME_H
+/* Local copy of XXH32() algorithm as found in https://github.com/lz4/lz4/blob/v1.7.5/lib/xxhash.c
+ as some packagers are not providing xxhash.h in liblz4 */
+typedef struct {
+ guint32 total_len_32;
+ guint32 large_len;
+ guint32 v1;
+ guint32 v2;
+ guint32 v3;
+ guint32 v4;
+ guint32 mem32[4]; /* buffer defined as U32 for alignment */
+ guint32 memsize;
+ guint32 reserved; /* never read nor write, will be removed in a future version */
+} XXH32_state_t;
+
+typedef enum {
+ XXH_bigEndian=0,
+ XXH_littleEndian=1
+} XXH_endianess;
+
+static const int g_one = 1;
+#define XXH_CPU_LITTLE_ENDIAN (*(const char*)(&g_one))
+
+static const guint32 PRIME32_1 = 2654435761U;
+static const guint32 PRIME32_2 = 2246822519U;
+static const guint32 PRIME32_3 = 3266489917U;
+static const guint32 PRIME32_4 = 668265263U;
+static const guint32 PRIME32_5 = 374761393U;
+
+#define XXH_rotl32(x,r) ((x << r) | (x >> (32 - r)))
+
+static guint32 XXH_read32(const void* memPtr)
+{
+ guint32 val;
+ memcpy(&val, memPtr, sizeof(val));
+ return val;
+}
+
+static guint32 XXH_swap32(guint32 x)
+{
+ return ((x << 24) & 0xff000000 ) |
+ ((x << 8) & 0x00ff0000 ) |
+ ((x >> 8) & 0x0000ff00 ) |
+ ((x >> 24) & 0x000000ff );
+}
+
+#define XXH_readLE32(ptr, endian) (endian==XXH_littleEndian ? XXH_read32(ptr) : XXH_swap32(XXH_read32(ptr)))
+
+static guint32 XXH32_round(guint32 seed, guint32 input)
+{
+ seed += input * PRIME32_2;
+ seed = XXH_rotl32(seed, 13);
+ seed *= PRIME32_1;
+ return seed;
+}
+
+static guint32 XXH32_endian(const void* input, size_t len, guint32 seed, XXH_endianess endian)
+{
+ const gint8* p = (const gint8*)input;
+ const gint8* bEnd = p + len;
+ guint32 h32;
+#define XXH_get32bits(p) XXH_readLE32(p, endian)
+
+ if (len>=16) {
+ const gint8* const limit = bEnd - 16;
+ guint32 v1 = seed + PRIME32_1 + PRIME32_2;
+ guint32 v2 = seed + PRIME32_2;
+ guint32 v3 = seed + 0;
+ guint32 v4 = seed - PRIME32_1;
+
+ do {
+ v1 = XXH32_round(v1, XXH_get32bits(p)); p+=4;
+ v2 = XXH32_round(v2, XXH_get32bits(p)); p+=4;
+ v3 = XXH32_round(v3, XXH_get32bits(p)); p+=4;
+ v4 = XXH32_round(v4, XXH_get32bits(p)); p+=4;
+ } while (p<=limit);
+
+ h32 = XXH_rotl32(v1, 1) + XXH_rotl32(v2, 7) + XXH_rotl32(v3, 12) + XXH_rotl32(v4, 18);
+ } else {
+ h32 = seed + PRIME32_5;
+ }
+
+ h32 += (guint32) len;
+
+ while (p+4<=bEnd) {
+ h32 += XXH_get32bits(p) * PRIME32_3;
+ h32 = XXH_rotl32(h32, 17) * PRIME32_4 ;
+ p+=4;
+ }
+
+ while (p<bEnd) {
+ h32 += (*p) * PRIME32_5;
+ h32 = XXH_rotl32(h32, 11) * PRIME32_1 ;
+ p++;
+ }
+
+ h32 ^= h32 >> 15;
+ h32 *= PRIME32_2;
+ h32 ^= h32 >> 13;
+ h32 *= PRIME32_3;
+ h32 ^= h32 >> 16;
+
+ return h32;
+}
+
+static guint XXH32(const void* input, size_t len, guint seed)
+{
+ XXH_endianess endian_detected = (XXH_endianess)XXH_CPU_LITTLE_ENDIAN;
+ if (endian_detected==XXH_littleEndian)
+ return XXH32_endian(input, len, seed, XXH_littleEndian);
+ else
+ return XXH32_endian(input, len, seed, XXH_bigEndian);
+}
+#endif /* HAVE_LZ4FRAME_H */
+
+static const char *
+kafka_error_to_str(kafka_error_t error)
+{
+ return val_to_str(error, kafka_errors, "Unknown %d");
+}
+
+static const char *
+kafka_api_key_to_str(kafka_api_key_t api_key)
+{
+ return val_to_str(api_key, kafka_api_names, "Unknown %d");
+}
+
+static const kafka_api_info_t *
+kafka_get_api_info(kafka_api_key_t api_key)
+{
+ if ((api_key >= 0) && (api_key < ((kafka_api_key_t) array_length(kafka_apis)))) {
+ return &kafka_apis[api_key];
+ } else {
+ return NULL;
+ }
+}
+
+/*
+ * Check if the API version uses flexible coding. Flexible coding was introduced in Kafka 2.4.
+ * The major changes in the flexible versions:
+ * - string length is stored as varint instead of int16
+ * - the header and message content may include additional flexible fields.
+ * The flexible version affects also the header. Normally the header version is 1.
+ * Flexible API headers are version 2. There are two hardcoded exceptions. ControlledShutdown
+ * request always uses header version 0. Same applies for ApiVersions response. These cases
+ * have to be covered in the message parsing.
+ */
+static gboolean
+kafka_is_api_version_flexible(kafka_api_key_t api_key, kafka_api_version_t api_version)
+{
+ const kafka_api_info_t *api_info;
+ api_info = kafka_get_api_info(api_key);
+ return api_info != NULL && !(api_info->flexible_since == -1 || api_version < api_info->flexible_since);
+}
+
+static gboolean
+kafka_is_api_version_supported(const kafka_api_info_t *api_info, kafka_api_version_t api_version)
+{
+ DISSECTOR_ASSERT(api_info);
+
+ return !(api_info->min_version == -1 ||
+ api_version < api_info->min_version ||
+ api_version > api_info->max_version);
+}
+
+static void
+kafka_check_supported_api_key(packet_info *pinfo, proto_item *ti, kafka_query_response_t *matcher)
+{
+ if (kafka_get_api_info(matcher->api_key) == NULL) {
+ col_append_str(pinfo->cinfo, COL_INFO, " [Unknown API key]");
+ expert_add_info_format(pinfo, ti, &ei_kafka_unknown_api_key,
+ "%s API key", kafka_api_key_to_str(matcher->api_key));
+ }
+}
+
+static void
+kafka_check_supported_api_version(packet_info *pinfo, proto_item *ti, kafka_query_response_t *matcher)
+{
+ const kafka_api_info_t *api_info;
+
+ api_info = kafka_get_api_info(matcher->api_key);
+ if (api_info != NULL && !kafka_is_api_version_supported(api_info, matcher->api_version)) {
+ col_append_str(pinfo->cinfo, COL_INFO, " [Unsupported API version]");
+ if (api_info->min_version == -1) {
+ expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version,
+ "Unsupported %s version.",
+ kafka_api_key_to_str(matcher->api_key));
+ }
+ else if (api_info->min_version == api_info->max_version) {
+ expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version,
+ "Unsupported %s version. Supports v%d.",
+ kafka_api_key_to_str(matcher->api_key), api_info->min_version);
+ } else {
+ expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version,
+ "Unsupported %s version. Supports v%d-%d.",
+ kafka_api_key_to_str(matcher->api_key),
+ api_info->min_version, api_info->max_version);
+ }
+ }
+}
+
+static int
+dissect_kafka_array_elements(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ kafka_api_version_t api_version,
+ int(*func)(tvbuff_t*, packet_info*, proto_tree*, int, kafka_api_version_t),
+ int count)
+{
+ int i;
+ for (i=0; i<count; i++) {
+ offset = func(tvb, pinfo, tree, offset, api_version);
+ }
+ return offset;
+}
+
+/*
+ * In the pre KIP-482 the arrays had length saved in 32-bit signed integer. If the value was -1,
+ * the array was considered to be null.
+ */
+static int
+dissect_kafka_regular_array(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ kafka_api_version_t api_version,
+ int(*func)(tvbuff_t*, packet_info*, proto_tree*, int, kafka_api_version_t),
+ int *p_count)
+{
+ gint32 count;
+
+ count = (gint32) tvb_get_ntohl(tvb, offset);
+ offset += 4;
+
+ if (count < -1) { // -1 means null array
+ expert_add_info(pinfo, proto_tree_get_parent(tree), &ei_kafka_bad_array_length);
+ return offset;
+ }
+
+ offset = dissect_kafka_array_elements(tree, tvb, pinfo, offset, api_version, func, count);
+
+ if (p_count != NULL) *p_count = count;
+
+ return offset;
+}
+
+/*
+ * KIP-482 introduced concept of compact arrays. If API version for the given call is marked flexible,
+ * all arrays are prefixed with unsigned varint. The value is the array length + 1. If the value is 0,
+ * the array is null.
+ */
+static int
+dissect_kafka_compact_array(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ kafka_api_version_t api_version,
+ int(*func)(tvbuff_t*, packet_info*, proto_tree*, int, kafka_api_version_t),
+ int *p_count)
+{
+ gint64 count;
+ gint32 len;
+
+ len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &count, ENC_VARINT_PROTOBUF);
+ if (len == 0) {
+ expert_add_info(pinfo, proto_tree_get_parent(tree), &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ }
+ if(count > 0x7ffffffL) {
+ expert_add_info(pinfo, proto_tree_get_parent(tree), &ei_kafka_bad_array_length);
+ return offset + len;
+ }
+ offset += len;
+
+ /*
+ * Compact arrays store count+1
+ * https://cwiki.apache.org/confluence/display/KAFKA/KIP-482%3A+The+Kafka+Protocol+should+Support+Optional+Tagged+Fields
+ */
+ offset = dissect_kafka_array_elements(tree, tvb, pinfo, offset, api_version, func, (int)count - 1);
+
+ if (p_count != NULL) *p_count = (int)count - 1;
+
+ return offset;
+}
+
+/*
+ * Dissect array. Use 'flexible' flag to select which variant should be used.
+ */
+static int
+dissect_kafka_array(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, int offset, int flexible,
+ kafka_api_version_t api_version,
+ int(*func)(tvbuff_t*, packet_info*, proto_tree*, int, kafka_api_version_t),
+ int *p_count)
+{
+ if (flexible) {
+ return dissect_kafka_compact_array(tree, tvb, pinfo, offset, api_version, func, p_count);
+ } else {
+ return dissect_kafka_regular_array(tree, tvb, pinfo, offset, api_version, func, p_count);
+ }
+
+}
+
+/* kept for completeness */
+static int
+dissect_kafka_varint(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ gint64 *p_value) _U_;
+static int
+dissect_kafka_varint(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ gint64 *p_value)
+{
+ gint64 value;
+ guint len;
+ proto_item *pi;
+
+ len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &value, ENC_VARINT_ZIGZAG);
+ pi = proto_tree_add_int64(tree, hf_item, tvb, offset, len, value);
+
+ if (len == 0) {
+ expert_add_info(pinfo, pi, &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ }
+
+ if (p_value != NULL) *p_value = value;
+
+ return offset + len;
+}
+
+static int
+dissect_kafka_varuint(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ guint64 *p_value)
+{
+ guint64 value;
+ guint len;
+ proto_item *pi;
+
+ len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &value, ENC_VARINT_PROTOBUF);
+ pi = proto_tree_add_uint64(tree, hf_item, tvb, offset, len, value);
+
+ if (len == 0) {
+ expert_add_info(pinfo, pi, &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ }
+
+ if (p_value != NULL) *p_value = value;
+
+ return offset + len;
+}
+
+
+/*
+ * Retrieve null-terminated copy of string from a package.
+ * The function wraps the tvb_get_string_enc that if given string is NULL, which is represented as negative length,
+ * a substitute string is returned instead of failing.
+ */
+static gint8*
+kafka_tvb_get_string(wmem_allocator_t *pool, tvbuff_t *tvb, int offset, int length)
+{
+ if (length>=0) {
+ return tvb_get_string_enc(pool, tvb, offset, length, ENC_UTF_8);;
+ } else {
+ return "[ Null ]";
+ }
+}
+
+/*
+ * Pre KIP-482 coding. The string is prefixed with 16-bit signed integer. Value -1 means null.
+ */
+static int
+dissect_kafka_regular_string(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ int *p_offset, int *p_length)
+{
+ gint16 length;
+ proto_item *pi;
+
+ length = (gint16) tvb_get_ntohs(tvb, offset);
+ if (length < -1) {
+ pi = proto_tree_add_item(tree, hf_item, tvb, offset, 0, ENC_NA);
+ expert_add_info(pinfo, pi, &ei_kafka_bad_string_length);
+ if (p_offset) {
+ *p_offset = 2;
+ }
+ if (p_length) {
+ *p_length = 0;
+ }
+ return offset + 2;
+ }
+
+ if (length == -1) {
+ proto_tree_add_string(tree, hf_item, tvb, offset, 2, NULL);
+ } else {
+ proto_tree_add_string(tree, hf_item, tvb, offset, length + 2,
+ kafka_tvb_get_string(pinfo->pool, tvb, offset + 2, length));
+ }
+
+ if (p_offset != NULL) *p_offset = offset + 2;
+ if (p_length != NULL) *p_length = length;
+
+ offset += 2;
+ if (length != -1) offset += length;
+
+ return offset;
+}
+
+/*
+ * Compact coding. The string is prefixed with unsigned varint containing number of octets + 1.
+ */
+static int
+dissect_kafka_compact_string(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ int *p_offset, int *p_length)
+{
+ guint len;
+ guint64 length;
+ proto_item *pi;
+
+ len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &length, ENC_VARINT_PROTOBUF);
+
+ if (len == 0) {
+ pi = proto_tree_add_item(tree, hf_item, tvb, offset, 0, ENC_NA);
+ expert_add_info(pinfo, pi, &ei_kafka_bad_varint);
+ if (p_offset) {
+ *p_offset = 0;
+ }
+ if (p_length) {
+ *p_length = 0;
+ }
+ return tvb_captured_length(tvb);
+ }
+
+ if (length == 0) {
+ proto_tree_add_string(tree, hf_item, tvb, offset, len, NULL);
+ } else {
+ proto_tree_add_string(tree, hf_item, tvb, offset, len + (gint)length - 1,
+ kafka_tvb_get_string(pinfo->pool, tvb, offset + len, (gint)length - 1));
+ }
+
+ if (p_offset != NULL) *p_offset = offset + len;
+ if (p_length != NULL) *p_length = (gint)length - 1;
+
+ offset += len;
+ if (length > 0) {
+ offset += (gint)length - 1;
+ }
+
+ return offset;
+}
+
+/*
+ * Dissect string. Depending on the 'flexible' flag use old style or compact coding.
+ */
+static int
+dissect_kafka_string(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, int flexible,
+ int *p_offset, int *p_length)
+{
+ if (flexible) {
+ return dissect_kafka_compact_string(tree, hf_item, tvb, pinfo, offset, p_offset, p_length);
+ } else {
+ return dissect_kafka_regular_string(tree, hf_item, tvb, pinfo, offset, p_offset, p_length);
+ }
+}
+
+/*
+ * Pre KIP-482 coding. The string is prefixed with signed 16-bit integer containing number of octets.
+ */
+static int
+dissect_kafka_regular_bytes(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ int *p_offset, int *p_length)
+{
+ gint16 length;
+ proto_item *pi;
+
+ length = (gint16) tvb_get_ntohs(tvb, offset);
+ if (length < -1) {
+ pi = proto_tree_add_item(tree, hf_item, tvb, offset, 0, ENC_NA);
+ expert_add_info(pinfo, pi, &ei_kafka_bad_string_length);
+ if (p_offset) {
+ *p_offset = 2;
+ }
+ if (p_length) {
+ *p_length = 0;
+ }
+ return offset + 2;
+ }
+
+ if (length == -1) {
+ proto_tree_add_bytes_with_length(tree, hf_item, tvb, offset, 2, NULL, 0);
+ } else {
+ proto_tree_add_bytes_with_length(tree, hf_item, tvb, offset, length + 2,
+ tvb_get_ptr(tvb, offset + 2, length),
+ length);
+ }
+
+ if (p_offset != NULL) *p_offset = offset + 2;
+ if (p_length != NULL) *p_length = length;
+
+ offset += 2;
+ if (length != -1) offset += length;
+
+ return offset;
+}
+
+/*
+ * Compact coding. The bytes are prefixed with unsigned varint containing number of octets + 1.
+ */
+static int
+dissect_kafka_compact_bytes(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ int *p_offset, int *p_length)
+{
+ guint len;
+ guint64 length;
+ proto_item *pi;
+
+ len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &length, ENC_VARINT_PROTOBUF);
+
+ if (len == 0) {
+ pi = proto_tree_add_item(tree, hf_item, tvb, offset, 0, ENC_NA);
+ expert_add_info(pinfo, pi, &ei_kafka_bad_varint);
+ if (p_offset) {
+ *p_offset = 0;
+ }
+ if (p_length) {
+ *p_length = 0;
+ }
+ return tvb_captured_length(tvb);
+ }
+
+ if (length == 0) {
+ proto_tree_add_bytes_with_length(tree, hf_item, tvb, offset, len, NULL, 0);
+ } else {
+ proto_tree_add_bytes_with_length(tree, hf_item, tvb, offset, len + (gint)length - 1,
+ tvb_get_ptr(tvb, offset + len, (gint)length - 1),
+ (gint)length - 1);
+ }
+
+ if (p_offset != NULL) *p_offset = offset + len;
+ if (p_length != NULL) *p_length = (gint)length - 1;
+
+ if (length == 0) {
+ offset += len;
+ } else {
+ offset += len + (gint)length - 1;
+ }
+
+ return offset;
+}
+
+/*
+ * Dissect byte buffer. Depending on the 'flexible' flag use old style or compact coding.
+ */
+static int
+dissect_kafka_bytes(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset, int flexible,
+ int *p_offset, int *p_length)
+{
+ if (flexible) {
+ return dissect_kafka_compact_bytes(tree, hf_item, tvb, pinfo, offset, p_offset, p_length);
+ } else {
+ return dissect_kafka_regular_bytes(tree, hf_item, tvb, pinfo, offset, p_offset, p_length);
+ }
+}
+
+static int
+dissect_kafka_timestamp_delta(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int hf_item, int offset, guint64 first_timestamp)
+{
+ nstime_t nstime;
+ guint64 milliseconds;
+ guint64 val;
+ guint len;
+ proto_item *pi;
+
+ len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &val, ENC_VARINT_ZIGZAG);
+
+ milliseconds = first_timestamp + val;
+ nstime.secs = (time_t) (milliseconds / 1000);
+ nstime.nsecs = (int) ((milliseconds % 1000) * 1000000);
+
+ pi = proto_tree_add_time(tree, hf_item, tvb, offset, len, &nstime);
+ if (len == 0) {
+ expert_add_info(pinfo, pi, &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ }
+
+ return offset+len;
+}
+
+static int
+dissect_kafka_offset_delta(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int hf_item, int offset, guint64 base_offset)
+{
+ gint64 val;
+ guint len;
+ proto_item *pi;
+
+ len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &val, ENC_VARINT_ZIGZAG);
+
+ pi = proto_tree_add_int64(tree, hf_item, tvb, offset, len, base_offset+val);
+ if (len == 0) {
+ expert_add_info(pinfo, pi, &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ }
+
+ return offset+len;
+}
+
+static int
+dissect_kafka_int8(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint8 *p_value)
+{
+ if (p_value != NULL) *p_value = tvb_get_gint8(tvb, offset);
+ proto_tree_add_item(tree, hf_item, tvb, offset, 1, ENC_NA);
+ return offset+1;
+}
+
+static int
+dissect_kafka_int16(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint16 *p_value)
+{
+ if (p_value != NULL) *p_value = tvb_get_gint16(tvb, offset, ENC_BIG_ENDIAN);
+ proto_tree_add_item(tree, hf_item, tvb, offset, 2, ENC_BIG_ENDIAN);
+ return offset+2;
+}
+
+static int
+dissect_kafka_int32(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint32 *p_value)
+{
+ if (p_value != NULL) *p_value = tvb_get_gint32(tvb, offset, ENC_BIG_ENDIAN);
+ proto_tree_add_item(tree, hf_item, tvb, offset, 4, ENC_BIG_ENDIAN);
+ return offset+4;
+}
+
+static int
+dissect_kafka_int64(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint64 *p_value)
+{
+ if (p_value != NULL) *p_value = tvb_get_gint64(tvb, offset, ENC_BIG_ENDIAN);
+ proto_tree_add_item(tree, hf_item, tvb, offset, 8, ENC_BIG_ENDIAN);
+ return offset+8;
+}
+
+static int
+dissect_kafka_timestamp(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo _U_, int offset, gint64 *p_value)
+{
+ if (p_value != NULL) *p_value = tvb_get_gint64(tvb, offset, ENC_BIG_ENDIAN);
+ proto_tree_add_item(tree, hf_item, tvb, offset, 8, ENC_TIME_MSECS | ENC_BIG_ENDIAN);
+ return offset+8;
+}
+
+/*
+ * Function: dissect_kafka_string_new
+ * ---------------------------------------------------
+ * Decodes UTF-8 string using the new length encoding. This format is used
+ * in the v2 message encoding, where the string length is encoded using
+ * ProtoBuf's ZigZag integer format (inspired by Avro). The main advantage
+ * of ZigZag is very compact representation for small numbers.
+ *
+ * tvb: actual data buffer
+ * pinfo: packet information (unused)
+ * tree: protocol information tree to append the item
+ * hf_item: protocol information item descriptor index
+ * offset: offset in the buffer where the string length is to be found
+ * p_display_string: pointer to a variable to store a pointer to the string value
+ *
+ * returns: offset of the next field in the message. If supplied, p_display_string
+ * is guaranteed to be set to a valid value.
+ */
+static int
+dissect_kafka_string_new(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int hf_item, int offset, char **p_display_string)
+{
+ gint64 val;
+ guint len;
+ proto_item *pi;
+
+ if (p_display_string != NULL)
+ *p_display_string = "<INVALID>";
+ len = tvb_get_varint(tvb, offset, 5, &val, ENC_VARINT_ZIGZAG);
+
+ if (len == 0) {
+ pi = proto_tree_add_string_format_value(tree, hf_item, tvb, offset+len, 0, NULL, "<INVALID>");
+ expert_add_info(pinfo, pi, &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ } else if (val > 0) {
+ // there is payload available, possibly with 0 octets
+ if (p_display_string != NULL)
+ proto_tree_add_item_ret_display_string(tree, hf_item, tvb, offset+len, (gint)val, ENC_UTF_8, wmem_packet_scope(), p_display_string);
+ else
+ proto_tree_add_item(tree, hf_item, tvb, offset+len, (gint)val, ENC_UTF_8);
+ } else if (val == 0) {
+ // there is empty payload (0 octets)
+ proto_tree_add_string_format_value(tree, hf_item, tvb, offset+len, 0, NULL, "<EMPTY>");
+ if (p_display_string != NULL)
+ *p_display_string = "<EMPTY>";
+ } else if (val == -1) {
+ // there is no payload (null)
+ proto_tree_add_string_format_value(tree, hf_item, tvb, offset+len, 0, NULL, "<NULL>");
+ val = 0;
+ } else {
+ pi = proto_tree_add_string_format_value(tree, hf_item, tvb, offset+len, 0, NULL, "<INVALID>");
+ expert_add_info(pinfo, pi, &ei_kafka_bad_string_length);
+ val = 0;
+ }
+
+ return offset+len+(gint)val;
+}
+
+/*
+ * Function: dissect_kafka_bytes_new
+ * ---------------------------------------------------
+ * Decodes byte buffer using the new length encoding. This format is used
+ * in the v2 message encoding, where the buffer length is encoded using
+ * ProtoBuf's ZigZag integer format (inspired by Avro). The main advantage
+ * of ZigZag is very compact representation for small numbers.
+ *
+ * tvb: actual data buffer
+ * pinfo: packet information (unused)
+ * tree: protocol information tree to append the item
+ * hf_item: protocol information item descriptor index
+ * offset: offset in the buffer where the string length is to be found
+ * p_bytes_offset: pointer to a variable to store the actual buffer begin
+ * p_bytes_length: pointer to a variable to store the actual buffer length
+ * p_invalid: pointer to a variable to store whether the length is valid
+ *
+ * returns: pointer to the next field in the message
+ */
+static int
+dissect_kafka_bytes_new(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int hf_item, int offset, int *p_bytes_offset, int *p_bytes_length, gboolean *p_invalid)
+{
+ gint64 val;
+ guint len;
+ proto_item *pi;
+
+ *p_invalid = FALSE;
+
+ len = tvb_get_varint(tvb, offset, 5, &val, ENC_VARINT_ZIGZAG);
+
+ if (len == 0) {
+ pi = proto_tree_add_bytes_format_value(tree, hf_item, tvb, offset+len, 0, NULL, "<INVALID>");
+ expert_add_info(pinfo, pi, &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ } else if (val > 0) {
+ // there is payload available, possibly with 0 octets
+ proto_tree_add_item(tree, hf_item, tvb, offset+len, (gint)val, ENC_NA);
+ } else if (val == 0) {
+ // there is empty payload (0 octets)
+ proto_tree_add_bytes_format_value(tree, hf_item, tvb, offset+len, 0, NULL, "<EMPTY>");
+ } else if (val == -1) {
+ // there is no payload (null)
+ proto_tree_add_bytes_format_value(tree, hf_item, tvb, offset+len, 0, NULL, "<NULL>");
+ val = 0;
+ } else {
+ pi = proto_tree_add_bytes_format_value(tree, hf_item, tvb, offset+len, 0, NULL, "<INVALID>");
+ expert_add_info(pinfo, pi, &ei_kafka_bad_bytes_length);
+ val = 0;
+ *p_invalid = TRUE;
+ }
+
+ if (p_bytes_offset != NULL) {
+ *p_bytes_offset = offset+len;
+ }
+ if (p_bytes_length != NULL) {
+ *p_bytes_length = (gint)val;
+ }
+ return offset+len+(gint)val;
+}
+
+/* Calculate and show the reduction in transmitted size due to compression */
+static void
+show_compression_reduction(tvbuff_t *tvb, proto_tree *tree, guint compressed_size, guint uncompressed_size)
+{
+ proto_item *ti;
+ /* Not really expecting a message to compress down to nothing, but defend against dividing by 0 anyway */
+ if (uncompressed_size != 0) {
+ ti = proto_tree_add_float(tree, hf_kafka_message_compression_reduction, tvb, 0, 0,
+ (float)compressed_size / (float)uncompressed_size);
+ proto_item_set_generated(ti);
+ }
+}
+
+static int
+dissect_kafka_record_headers_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, gboolean *p_invalid)
+{
+ proto_item *header_ti;
+ proto_tree *subtree;
+ char *key_display_string;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_record_headers_header, &header_ti, "Header");
+
+ offset = dissect_kafka_string_new(tvb, pinfo, subtree, hf_kafka_record_header_key, offset, &key_display_string);
+ offset = dissect_kafka_bytes_new(tvb, pinfo, subtree, hf_kafka_record_header_value, offset, NULL, NULL, p_invalid);
+
+ proto_item_append_text(header_ti, " (Key: %s)", key_display_string);
+
+ proto_item_set_end(header_ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_record_headers(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
+{
+ proto_item *record_headers_ti;
+ proto_tree *subtree;
+ gint64 count;
+ guint len;
+ int i;
+ gboolean invalid = FALSE;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_record_headers, &record_headers_ti, "Headers");
+
+ len = tvb_get_varint(tvb, offset, 5, &count, ENC_VARINT_ZIGZAG);
+ if (len == 0) {
+ expert_add_info(pinfo, record_headers_ti, &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ } else if (count < -1) { // -1 means null array
+ expert_add_info(pinfo, record_headers_ti, &ei_kafka_bad_array_length);
+ }
+
+ offset += len;
+ for (i = 0; i < count && !invalid; i++) {
+ offset = dissect_kafka_record_headers_header(tvb, pinfo, subtree, offset, &invalid);
+ }
+
+ proto_item_set_end(record_headers_ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_record(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int start_offset, guint64 base_offset, guint64 first_timestamp)
+{
+ proto_item *record_ti;
+ proto_tree *subtree;
+
+ gint64 size;
+ guint len;
+
+ int offset, end_offset;
+ gboolean invalid;
+
+ offset = start_offset;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_record, &record_ti, "Record");
+
+ len = tvb_get_varint(tvb, offset, 5, &size, ENC_VARINT_ZIGZAG);
+ if (len == 0) {
+ expert_add_info(pinfo, record_ti, &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ } else if (size < 6) {
+ expert_add_info(pinfo, record_ti, &ei_kafka_bad_record_length);
+ return offset + len;
+ }
+
+ end_offset = offset + len + (gint)size;
+ offset += len;
+
+ proto_tree_add_item(subtree, hf_kafka_record_attributes, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ offset = dissect_kafka_timestamp_delta(tvb, pinfo, subtree, hf_kafka_message_timestamp, offset, first_timestamp);
+ offset = dissect_kafka_offset_delta(tvb, pinfo, subtree, hf_kafka_offset, offset, base_offset);
+
+ offset = dissect_kafka_bytes_new(tvb, pinfo, subtree, hf_kafka_message_key, offset, NULL, NULL, &invalid);
+ if (invalid)
+ return end_offset;
+ offset = dissect_kafka_bytes_new(tvb, pinfo, subtree, hf_kafka_message_value, offset, NULL, NULL, &invalid);
+ if (invalid)
+ return end_offset;
+
+ offset = dissect_kafka_record_headers(tvb, pinfo, subtree, offset);
+
+ if (offset != end_offset) {
+ expert_add_info(pinfo, record_ti, &ei_kafka_bad_record_length);
+ }
+
+ proto_item_set_end(record_ti, tvb, end_offset);
+
+ return end_offset;
+}
+
+static gboolean
+decompress_none(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, guint32 length _U_, tvbuff_t **decompressed_tvb, int *decompressed_offset)
+{
+ *decompressed_tvb = tvb;
+ *decompressed_offset = offset;
+ return TRUE;
+}
+
+static gboolean
+decompress_gzip(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, tvbuff_t **decompressed_tvb, int *decompressed_offset)
+{
+ *decompressed_tvb = tvb_child_uncompress(tvb, tvb, offset, length);
+ *decompressed_offset = 0;
+ if (*decompressed_tvb) {
+ return TRUE;
+ } else {
+ col_append_str(pinfo->cinfo, COL_INFO, " [gzip decompression failed] ");
+ return FALSE;
+ }
+}
+
+#define MAX_LOOP_ITERATIONS 100
+
+#ifdef HAVE_LZ4FRAME_H
+static gboolean
+decompress_lz4(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, tvbuff_t **decompressed_tvb, int *decompressed_offset)
+{
+ LZ4F_decompressionContext_t lz4_ctxt = NULL;
+ LZ4F_frameInfo_t lz4_info;
+ LZ4F_errorCode_t rc = 0;
+ size_t src_offset = 0, src_size = 0, dst_size = 0;
+ guchar *decompressed_buffer = NULL;
+ tvbuff_t *composite_tvb = NULL;
+
+ gboolean ret = FALSE;
+
+ /* Prepare compressed data buffer */
+ guint8 *data = (guint8*)tvb_memdup(pinfo->pool, tvb, offset, length);
+ /* Override header checksum to workaround buggy Kafka implementations */
+ if (length > 7) {
+ guint32 hdr_end = 6;
+ if (data[4] & 0x08) {
+ hdr_end += 8;
+ }
+ if (hdr_end < length) {
+ data[hdr_end] = (XXH32(&data[4], hdr_end - 4, 0) >> 8) & 0xff;
+ }
+ }
+
+ /* Allocate output buffer */
+ rc = LZ4F_createDecompressionContext(&lz4_ctxt, LZ4F_VERSION);
+ if (LZ4F_isError(rc)) {
+ goto end;
+ }
+
+ src_offset = length;
+ rc = LZ4F_getFrameInfo(lz4_ctxt, &lz4_info, data, &src_offset);
+ if (LZ4F_isError(rc)) {
+ goto end;
+ }
+
+ switch (lz4_info.blockSizeID) {
+ case LZ4F_max64KB:
+ dst_size = 1 << 16;
+ break;
+ case LZ4F_max256KB:
+ dst_size = 1 << 18;
+ break;
+ case LZ4F_max1MB:
+ dst_size = 1 << 20;
+ break;
+ case LZ4F_max4MB:
+ dst_size = 1 << 22;
+ break;
+ default:
+ goto end;
+ }
+
+ if (lz4_info.contentSize && lz4_info.contentSize < dst_size) {
+ dst_size = (size_t)lz4_info.contentSize;
+ }
+
+ size_t out_size;
+ int count = 0;
+
+ do {
+ src_size = length - src_offset; // set the number of available octets
+ if (src_size == 0) {
+ goto end;
+ }
+
+ decompressed_buffer = wmem_alloc(pinfo->pool, dst_size);
+ out_size = dst_size;
+ rc = LZ4F_decompress(lz4_ctxt, decompressed_buffer, &out_size,
+ &data[src_offset], &src_size, NULL);
+ if (LZ4F_isError(rc)) {
+ goto end;
+ }
+ if (out_size != dst_size) {
+ decompressed_buffer = (guint8 *)wmem_realloc(pinfo->pool, decompressed_buffer, out_size);
+ }
+ if (out_size == 0) {
+ goto end;
+ }
+ if (!composite_tvb) {
+ composite_tvb = tvb_new_composite();
+ }
+ tvb_composite_append(composite_tvb,
+ tvb_new_child_real_data(tvb, (guint8*)decompressed_buffer, (guint)out_size, (gint)out_size));
+ src_offset += src_size; // bump up the offset for the next iteration
+ DISSECTOR_ASSERT_HINT(count < MAX_LOOP_ITERATIONS, "MAX_LOOP_ITERATIONS exceeded");
+ } while (rc > 0 && count++ < MAX_LOOP_ITERATIONS);
+
+ ret = TRUE;
+end:
+ if (composite_tvb) {
+ tvb_composite_finalize(composite_tvb);
+ }
+ LZ4F_freeDecompressionContext(lz4_ctxt);
+ if (ret == 1) {
+ *decompressed_tvb = composite_tvb;
+ *decompressed_offset = 0;
+ }
+ else {
+ col_append_str(pinfo->cinfo, COL_INFO, " [lz4 decompression failed]");
+ }
+ return ret;
+}
+#else
+static gboolean
+decompress_lz4(tvbuff_t *tvb _U_, packet_info *pinfo, int offset _U_, guint32 length _U_, tvbuff_t **decompressed_tvb _U_, int *decompressed_offset _U_)
+{
+ col_append_str(pinfo->cinfo, COL_INFO, " [lz4 decompression unsupported]");
+ return FALSE;
+}
+#endif /* HAVE_LZ4FRAME_H */
+
+#ifdef HAVE_SNAPPY
+static gboolean
+decompress_snappy(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, tvbuff_t **decompressed_tvb, int *decompressed_offset)
+{
+ guint8 *data = (guint8*)tvb_memdup(pinfo->pool, tvb, offset, length);
+ size_t uncompressed_size, out_size;
+ snappy_status rc = SNAPPY_OK;
+ tvbuff_t *composite_tvb = NULL;
+ gboolean ret = FALSE;
+
+ if (tvb_memeql(tvb, offset, kafka_xerial_header, sizeof(kafka_xerial_header)) == 0) {
+
+ /* xerial framing format */
+ guint32 chunk_size, pos = 16;
+ int count = 0;
+
+ while (pos < length && count < MAX_LOOP_ITERATIONS) {
+ if (pos > length-4) {
+ // XXX - this is presumably an error, as the chunk size
+ // doesn't fully fit in the data, so an error should be
+ // reported.
+ goto end;
+ }
+ chunk_size = tvb_get_ntohl(tvb, offset+pos);
+ pos += 4;
+ if (chunk_size > length) {
+ // XXX - this is presumably an error, as the chunk to be
+ // decompressed doesn't fully fit in the data, so an error
+ // should be reported.
+ goto end;
+ }
+ if (pos > length-chunk_size) {
+ // XXX - this is presumably an error, as the chunk to be
+ // decompressed doesn't fully fit in the data, so an error
+ // should be reported.
+ goto end;
+ }
+ rc = snappy_uncompressed_length(&data[pos], chunk_size, &uncompressed_size);
+ if (rc != SNAPPY_OK) {
+ goto end;
+ }
+ guint8 *decompressed_buffer = (guint8*)wmem_alloc(pinfo->pool, uncompressed_size);
+ out_size = uncompressed_size;
+ rc = snappy_uncompress(&data[pos], chunk_size, decompressed_buffer, &out_size);
+ if (rc != SNAPPY_OK) {
+ goto end;
+ }
+ if (out_size != uncompressed_size) {
+ decompressed_buffer = (guint8 *)wmem_realloc(pinfo->pool, decompressed_buffer, out_size);
+ }
+
+ if (!composite_tvb) {
+ composite_tvb = tvb_new_composite();
+ }
+ tvb_composite_append(composite_tvb,
+ tvb_new_child_real_data(tvb, decompressed_buffer, (guint)out_size, (gint)out_size));
+ pos += chunk_size;
+ count++;
+ DISSECTOR_ASSERT_HINT(count < MAX_LOOP_ITERATIONS, "MAX_LOOP_ITERATIONS exceeded");
+ }
+
+ } else {
+
+ /* unframed format */
+ rc = snappy_uncompressed_length(data, length, &uncompressed_size);
+ if (rc != SNAPPY_OK) {
+ goto end;
+ }
+
+ guint8 *decompressed_buffer = (guint8*)wmem_alloc(pinfo->pool, uncompressed_size);
+
+ out_size = uncompressed_size;
+ rc = snappy_uncompress(data, length, decompressed_buffer, &out_size);
+ if (rc != SNAPPY_OK) {
+ goto end;
+ }
+ if (out_size != uncompressed_size) {
+ decompressed_buffer = (guint8 *)wmem_realloc(pinfo->pool, decompressed_buffer, out_size);
+ }
+
+ *decompressed_tvb = tvb_new_child_real_data(tvb, decompressed_buffer, (guint)out_size, (gint)out_size);
+ *decompressed_offset = 0;
+
+ }
+ ret = TRUE;
+end:
+ if (composite_tvb) {
+ tvb_composite_finalize(composite_tvb);
+ if (ret == 1) {
+ *decompressed_tvb = composite_tvb;
+ *decompressed_offset = 0;
+ }
+ }
+ if (ret == FALSE) {
+ col_append_str(pinfo->cinfo, COL_INFO, " [snappy decompression failed]");
+ }
+ return ret;
+}
+#else
+static gboolean
+decompress_snappy(tvbuff_t *tvb _U_, packet_info *pinfo, int offset _U_, int length _U_, tvbuff_t **decompressed_tvb _U_, int *decompressed_offset _U_)
+{
+ col_append_str(pinfo->cinfo, COL_INFO, " [snappy decompression unsupported]");
+ return FALSE;
+}
+#endif /* HAVE_SNAPPY */
+
+#ifdef HAVE_ZSTD
+static gboolean
+decompress_zstd(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, tvbuff_t **decompressed_tvb, int *decompressed_offset)
+{
+ *decompressed_tvb = tvb_child_uncompress_zstd(tvb, tvb, offset, length);
+ *decompressed_offset = 0;
+ if (*decompressed_tvb) {
+ return TRUE;
+ } else {
+ col_append_str(pinfo->cinfo, COL_INFO, " [zstd decompression failed] ");
+ return FALSE;
+ }
+}
+#else
+static gboolean
+decompress_zstd(tvbuff_t *tvb _U_, packet_info *pinfo, int offset _U_, guint32 length _U_, tvbuff_t **decompressed_tvb _U_, int *decompressed_offset _U_)
+{
+ col_append_str(pinfo->cinfo, COL_INFO, " [zstd compression unsupported]");
+ return FALSE;
+}
+#endif /* HAVE_ZSTD */
+
+// Max is currently 2^22 in
+// https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/record/KafkaLZ4BlockOutputStream.java
+#define MAX_DECOMPRESSION_SIZE (1 << 22)
+static gboolean
+decompress(tvbuff_t *tvb, packet_info *pinfo, int offset, guint32 length, int codec, tvbuff_t **decompressed_tvb, int *decompressed_offset)
+{
+ if (length > MAX_DECOMPRESSION_SIZE) {
+ expert_add_info(pinfo, NULL, &ei_kafka_bad_decompression_length);
+ return FALSE;
+ }
+ if (length == 0) {
+ expert_add_info(pinfo, NULL, &ei_kafka_zero_decompression_length);
+ return FALSE;
+ }
+ switch (codec) {
+ case KAFKA_MESSAGE_CODEC_SNAPPY:
+ return decompress_snappy(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset);
+ case KAFKA_MESSAGE_CODEC_LZ4:
+ return decompress_lz4(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset);
+ case KAFKA_MESSAGE_CODEC_ZSTD:
+ return decompress_zstd(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset);
+ case KAFKA_MESSAGE_CODEC_GZIP:
+ return decompress_gzip(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset);
+ case KAFKA_MESSAGE_CODEC_NONE:
+ return decompress_none(tvb, pinfo, offset, length, decompressed_tvb, decompressed_offset);
+ default:
+ col_append_str(pinfo->cinfo, COL_INFO, " [unsupported compression type]");
+ return FALSE;
+ }
+}
+
+/*
+ * Function: dissect_kafka_message_old
+ * ---------------------------------------------------
+ * Handles decoding of pre-0.11 message format. In the old format
+ * only the message payload was the subject of compression
+ * and the batches were special kind of message payload.
+ *
+ * https://kafka.apache.org/0100/documentation/#messageformat
+ *
+ * tvb: actual data buffer
+ * pinfo: packet information
+ * tree: protocol information tree to append the item
+ * hf_item: protocol information item descriptor index
+ * offset: pointer to the message
+ * end_offset: last possible offset in this batch
+ *
+ * returns: pointer to the next message/batch
+ */
+static int
+dissect_kafka_message_old(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int end_offset _U_)
+{
+ proto_item *message_ti;
+ proto_tree *subtree;
+ tvbuff_t *decompressed_tvb;
+ int decompressed_offset;
+ int start_offset = offset;
+ int bytes_offset;
+ gint8 magic_byte;
+ guint8 codec;
+ guint32 message_size;
+ guint32 length;
+
+ message_size = tvb_get_guint32(tvb, start_offset + 8, ENC_BIG_ENDIAN);
+
+ subtree = proto_tree_add_subtree(tree, tvb, start_offset, message_size + 12, ett_kafka_message, &message_ti, "Message");
+
+ offset = dissect_kafka_int64(subtree, hf_kafka_offset, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int32(subtree, hf_kafka_message_size, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int32(subtree, hf_kafka_message_crc, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_message_magic, tvb, pinfo, offset, &magic_byte);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_message_codec, tvb, pinfo, offset, &codec);
+ codec &= KAFKA_MESSAGE_CODEC_MASK;
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_message_timestamp_type, tvb, pinfo, offset, NULL);
+
+ if (magic_byte == 1) {
+ proto_tree_add_item(subtree, hf_kafka_message_timestamp, tvb, offset, 8, ENC_TIME_MSECS|ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ bytes_offset = dissect_kafka_regular_bytes(subtree, hf_kafka_message_key, tvb, pinfo, offset, NULL, NULL);
+ if (bytes_offset > offset) {
+ offset = bytes_offset;
+ } else {
+ expert_add_info(pinfo, message_ti, &ei_kafka_bad_bytes_length);
+ return offset;
+ }
+
+ /*
+ * depending on the compression codec, the payload is the actual message payload (codes=none)
+ * or compressed set of messages (otherwise). In the new format (since Kafka 1.0) there
+ * is no such duality.
+ */
+ if (codec == 0) {
+ bytes_offset = dissect_kafka_regular_bytes(subtree, hf_kafka_message_value, tvb, pinfo, offset, NULL, &length);
+ if (bytes_offset > offset) {
+ offset = bytes_offset;
+ } else {
+ expert_add_info(pinfo, message_ti, &ei_kafka_bad_bytes_length);
+ return offset;
+ }
+ } else {
+ length = tvb_get_ntohl(tvb, offset);
+ offset += 4;
+ if (decompress(tvb, pinfo, offset, length, codec, &decompressed_tvb, &decompressed_offset)==1) {
+ add_new_data_source(pinfo, decompressed_tvb, "Decompressed content");
+ show_compression_reduction(tvb, subtree, length, tvb_captured_length(decompressed_tvb));
+ dissect_kafka_message_set(decompressed_tvb, pinfo, subtree, decompressed_offset,
+ tvb_reported_length_remaining(decompressed_tvb, decompressed_offset), codec);
+ offset += length;
+ } else {
+ proto_item_append_text(subtree, " [Cannot decompress records]");
+ }
+ }
+
+ proto_item_set_end(message_ti, tvb, offset);
+
+ return offset;
+}
+
+/*
+ * Function: dissect_kafka_message_new
+ * ---------------------------------------------------
+ * Handles decoding of the new message format. In the new format
+ * there is no difference between compressed and plain batch.
+ *
+ * https://kafka.apache.org/documentation/#messageformat
+ *
+ * tvb: actual data buffer
+ * pinfo: packet information
+ * tree: protocol information tree to append the item
+ * hf_item: protocol information item descriptor index
+ * offset: pointer to the message
+ * end_offset: last possible offset in this batch
+ *
+ * returns: pointer to the next message/batch
+ */
+static int
+dissect_kafka_message_new(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int end_offset _U_)
+{
+ proto_item *batch_ti;
+ proto_tree *subtree;
+ int start_offset = offset;
+ gint8 magic_byte;
+ guint16 codec;
+ guint32 message_size;
+ guint32 count, i, length;
+ guint64 base_offset, first_timestamp;
+
+ tvbuff_t *decompressed_tvb;
+ int decompressed_offset;
+
+ message_size = tvb_get_guint32(tvb, start_offset + 8, ENC_BIG_ENDIAN);
+
+ subtree = proto_tree_add_subtree(tree, tvb, start_offset, message_size + 12, ett_kafka_batch, &batch_ti, "Record Batch");
+
+ offset = dissect_kafka_int64(subtree, hf_kafka_offset, tvb, pinfo, offset, &base_offset);
+
+ offset = dissect_kafka_int32(subtree, hf_kafka_message_size, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int32(subtree, hf_kafka_leader_epoch, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_message_magic, tvb, pinfo, offset, &magic_byte);
+
+ if (magic_byte != 2) {
+ proto_item_append_text(subtree, "[Unknown message magic]");
+ expert_add_info_format(pinfo, batch_ti, &ei_kafka_unknown_message_magic,
+ "message magic: %d", magic_byte);
+ return start_offset + 8 /*base offset*/ + 4 /*message size*/ + message_size;
+ }
+
+ offset = dissect_kafka_int32(subtree, hf_kafka_batch_crc, tvb, pinfo, offset, NULL);
+
+ dissect_kafka_int16(subtree, hf_kafka_batch_codec, tvb, pinfo, offset, &codec);
+ codec &= KAFKA_MESSAGE_CODEC_MASK;
+ dissect_kafka_int16(subtree, hf_kafka_batch_timestamp_type, tvb, pinfo, offset, NULL);
+ dissect_kafka_int16(subtree, hf_kafka_batch_transactional, tvb, pinfo, offset, NULL);
+ dissect_kafka_int16(subtree, hf_kafka_batch_control_batch, tvb, pinfo, offset, NULL);
+ // next octet is reserved
+ offset += 2;
+
+ offset = dissect_kafka_int32(subtree, hf_kafka_batch_last_offset_delta, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int64(subtree, hf_kafka_batch_first_timestamp, tvb, pinfo, offset, &first_timestamp);
+ offset = dissect_kafka_int64(subtree, hf_kafka_batch_last_timestamp, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int64(subtree, hf_kafka_producer_id, tvb, pinfo, offset, NULL);
+ offset = dissect_kafka_int16(subtree, hf_kafka_producer_epoch, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int32(subtree, hf_kafka_batch_base_sequence, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int32(subtree, hf_kafka_batch_size, tvb, pinfo, offset, &count);
+
+ length = start_offset + 8 /*base offset*/ + 4 /*message size*/ + message_size - offset;
+
+ if (decompress(tvb, pinfo, offset, length, codec, &decompressed_tvb, &decompressed_offset)==1) {
+ if (codec != 0) {
+ add_new_data_source(pinfo, decompressed_tvb, "Decompressed Records");
+ show_compression_reduction(tvb, subtree, length, tvb_captured_length(decompressed_tvb));
+ }
+ for (i=0;i<count;i++) {
+ decompressed_offset = dissect_kafka_record(decompressed_tvb, pinfo, subtree, decompressed_offset, base_offset, first_timestamp);
+ }
+ } else {
+ proto_item_append_text(subtree, " [Cannot decompress records]");
+ }
+
+ return start_offset + 8 /*base offset*/ + 4 /*message size*/ + message_size;
+}
+
+static int
+dissect_kafka_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int end_offset)
+{
+ gint8 magic_byte;
+ guint32 message_size;
+
+ if (offset + 12 > end_offset) {
+ // in this case we deal with truncated message, where the size part may be also truncated
+ // actually we may add truncated info
+ proto_tree_add_item(tree, hf_kafka_truncated_content, tvb, offset, end_offset-offset, ENC_NA);
+ return end_offset;
+ }
+ message_size = tvb_get_guint32(tvb, offset + 8, ENC_BIG_ENDIAN);
+ if (offset + 12 + message_size > (guint32)end_offset) {
+ // in this case we deal with truncated message, where the truncation point falls somewhere
+ // in the message body
+ proto_tree_add_item(tree, hf_kafka_truncated_content, tvb, offset, end_offset-offset, ENC_NA);
+ return end_offset;
+ }
+
+ magic_byte = tvb_get_guint8(tvb, offset + 16);
+ if (magic_byte < 2) {
+ return dissect_kafka_message_old(tvb, pinfo, tree, offset, end_offset);
+ } else {
+ return dissect_kafka_message_new(tvb, pinfo, tree, offset, end_offset);
+ }
+}
+
+static int
+dissect_kafka_message_set(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gint offset, guint len, guint8 codec)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ gint end_offset = offset + len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_message_set, &ti, "Message Set");
+ /* If set came from a compressed message, make it obvious in tree root */
+ if (codec != KAFKA_MESSAGE_CODEC_NONE) {
+ proto_item_append_text(subtree, " [from compressed %s message]", val_to_str_const(codec, kafka_message_codecs, "Unknown"));
+ }
+
+ while (offset < end_offset) {
+ offset = dissect_kafka_message(tvb, pinfo, subtree, offset, end_offset);
+ }
+
+ if (offset != end_offset) {
+ expert_add_info(pinfo, ti, &ei_kafka_bad_message_set_length);
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+/* Tagged fields support (since Kafka 2.4) */
+
+/*
+ * Other that in dissect_kafka_compacted_bytes the length is given as unsigned varint.
+ */
+static int
+dissect_kafka_tagged_field_data(proto_tree *tree, int hf_item, tvbuff_t *tvb, packet_info *pinfo, int offset,
+ int *p_offset, int *p_len)
+{
+ proto_item *pi;
+
+ guint64 length;
+ gint32 len;
+
+ len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &length, ENC_VARINT_PROTOBUF);
+ if (len == 0) length = 0;
+
+ pi = proto_tree_add_item(tree, hf_item, tvb, offset+len, (gint)length, ENC_NA);
+ if (len == 0) {
+ expert_add_info(pinfo, pi, &ei_kafka_bad_varint);
+ if (p_offset) {
+ *p_offset = 0;
+ }
+ if (p_len) {
+ *p_len = 0;
+ }
+ return tvb_captured_length(tvb);
+ }
+
+ offset = offset + len + (gint)length;
+ if (p_offset != NULL) *p_offset = offset + len;
+ if (p_len != NULL) *p_len = (int)length;
+
+ return offset;
+}
+
+static int
+dissect_kafka_tagged_field(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_tagged_field,
+ &subti, "Field");
+
+ offset = dissect_kafka_varuint(subtree, hf_kafka_tagged_field_tag, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_tagged_field_data(subtree, hf_kafka_tagged_field_data, tvb, pinfo, offset, NULL, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+
+}
+
+static int
+dissect_kafka_tagged_fields(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ gint64 count;
+ guint len;
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_tagged_fields,
+ &subti, "Tagged fields");
+
+ len = tvb_get_varint(tvb, offset, FT_VARINT_MAX_LEN, &count, ENC_VARINT_PROTOBUF);
+ if (len == 0) {
+ expert_add_info(pinfo, subtree, &ei_kafka_bad_varint);
+ return tvb_captured_length(tvb);
+ }
+ offset += len;
+
+ /*
+ * Contrary to compact arrays, tagged fields store just count
+ * https://cwiki.apache.org/confluence/display/KAFKA/KIP-482%3A+The+Kafka+Protocol+should+Support+Optional+Tagged+Fields
+ */
+ offset = dissect_kafka_array_elements(subtree, tvb, pinfo, offset, api_version, &dissect_kafka_tagged_field, (gint32)count);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* OFFSET FETCH REQUEST/RESPONSE */
+
+static int
+dissect_kafka_partition_id_ret(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset,
+ kafka_partition_t *p_partition)
+{
+ proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ if (p_partition != NULL) {
+ *p_partition = tvb_get_ntohl(tvb, offset);
+ }
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_partition_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ return dissect_kafka_partition_id_ret(tvb, pinfo, tree, offset, NULL);
+}
+
+static int
+dissect_kafka_offset_ret(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset,
+ kafka_offset_t *p_offset)
+{
+ proto_tree_add_item(tree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ if (p_offset != NULL) {
+ *p_offset = tvb_get_ntoh64(tvb, offset);
+ }
+ offset += 8;
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ return dissect_kafka_offset_ret(tvb, pinfo, tree, offset, NULL);
+}
+
+static int
+dissect_kafka_leader_epoch(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_time(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_item *ti;
+ gint64 message_offset_time;
+
+ message_offset_time = tvb_get_ntoh64(tvb, offset);
+
+ ti = proto_tree_add_item(tree, hf_kafka_offset_time, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ // The query for offset at given time takes the time in milliseconds since epoch.
+ // It has two additional special values:
+ // * -1 - the latest offset (to consume new messages only)
+ // * -2 - the oldest offset (to consume all available messages)
+ if (message_offset_time == -1) {
+ proto_item_append_text(ti, " (latest)");
+ } else if (message_offset_time == -2) {
+ proto_item_append_text(ti, " (earliest)");
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_fetch_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ gint32 count = 0;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 6, &topic_start, &topic_len);
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version, &dissect_kafka_partition_id, &count);
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+ proto_item_append_text(ti, " (Topic: %s, Partitions: %u)",
+ tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8),
+ count);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_fetch_request_topics(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ gint32 count = 0;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &ti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_offset_fetch_request_topic, &count);
+ proto_item_set_end(ti, tvb, offset);
+
+ if (count < 0) {
+ proto_item_append_text(ti, " (all committed topics)");
+ } else {
+ proto_item_append_text(ti, " (%u topics)", count);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_fetch_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >=6, NULL, NULL);
+
+ offset = dissect_kafka_offset_fetch_request_topics(tvb, pinfo, tree, offset, api_version);
+
+ if (api_version >= 7) {
+ proto_tree_add_item(tree, hf_kafka_require_stable_offset, tvb, offset, 1, ENC_NA);
+ offset += 1;
+ }
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_error_ret(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_error_t *ret)
+{
+ kafka_error_t error = (kafka_error_t) tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(tree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ /* Show error in Info column */
+ if (error != 0) {
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " [%s] ", kafka_error_to_str(error));
+ }
+
+ if (ret) {
+ *ret = error;
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_error(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
+{
+ return dissect_kafka_error_ret(tvb, pinfo, tree, offset, NULL);
+}
+
+static int
+dissect_kafka_throttle_time(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset)
+{
+ proto_tree_add_item(tree, hf_kafka_throttle_time, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ return offset;
+}
+
+static int
+dissect_kafka_offset_fetch_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int start_offset, kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ int offset = start_offset;
+ kafka_packet_values_t packet_values;
+ memset(&packet_values, 0, sizeof(packet_values));
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id);
+ offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, &packet_values.offset);
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_leader_epoch(tvb, pinfo, subtree, offset, api_version);
+ }
+
+
+ offset = dissect_kafka_string(subtree, hf_kafka_metadata, tvb, pinfo, offset, api_version >= 6, NULL, NULL);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ if (packet_values.offset==-1) {
+ proto_item_append_text(ti, " (ID=%u, Offset=None)",
+ packet_values.partition_id);
+ } else {
+ proto_item_append_text(ti, " (ID=%u, Offset=%" PRIi64 ")",
+ packet_values.partition_id, packet_values.offset);
+ }
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_fetch_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ int topic_start, topic_len;
+ int count = 0;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 6, &topic_start, &topic_len);
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_offset_fetch_response_partition, &count);
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+ proto_item_append_text(ti, " (Topic: %s, Partitions: %u)",
+ tvb_get_string_enc(pinfo->pool, tvb, topic_start, topic_len, ENC_UTF_8),
+ count);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_fetch_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ int count = 0;
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &ti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_offset_fetch_response_topic, &count);
+ proto_item_set_end(ti, tvb, offset);
+ proto_item_append_text(ti, " (%u topics)", count);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+ }
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* METADATA REQUEST/RESPONSE */
+
+static int
+dissect_kafka_metadata_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 9, NULL, NULL);
+
+ if (api_version >= 9) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+
+}
+
+static int
+dissect_kafka_metadata_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 9, api_version,
+ &dissect_kafka_metadata_request_topic, NULL);
+
+ if (api_version >= 4) {
+ proto_tree_add_item(tree, hf_kafka_allow_auto_topic_creation, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ }
+
+ if (api_version >= 8) {
+ proto_tree_add_item(tree, hf_kafka_include_cluster_authorized_ops, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_tree_add_item(tree, hf_kafka_include_topic_authorized_ops, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ }
+
+ if (api_version >= 9) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_metadata_broker(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ guint32 nodeid;
+ int host_start, host_len;
+ guint32 broker_port;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker, &ti, "Broker");
+
+ nodeid = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset, api_version >= 9, &host_start, &host_len);
+
+ broker_port = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_broker_port, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_string(subtree, hf_kafka_rack, tvb, pinfo, offset, api_version >= 9, NULL, NULL);
+ }
+
+ if (api_version >= 9) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_append_text(ti, " (node %u: %s:%u)",
+ nodeid,
+ tvb_get_string_enc(pinfo->pool, tvb,
+ host_start, host_len, ENC_UTF_8),
+ broker_port);
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_metadata_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN);
+ return offset + 4;
+}
+
+static int
+dissect_kafka_metadata_isr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_isr, tvb, offset, 4, ENC_BIG_ENDIAN);
+ return offset + 4;
+}
+
+static int
+dissect_kafka_metadata_offline(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_offline, tvb, offset, 4, ENC_BIG_ENDIAN);
+ return offset + 4;
+}
+
+static int
+dissect_kafka_metadata_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti, *subti;
+ proto_tree *subtree, *subsubtree;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition");
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition);
+
+ proto_tree_add_item(subtree, hf_kafka_leader_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 7) {
+ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_replicas, &subti, "Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_replica, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_isrs, &subti, "Caught-Up Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_isr, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 5) {
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_offline, &subti, "Offline Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_offline, NULL);
+ proto_item_set_end(subti, tvb, offset);
+ }
+
+ if (api_version >= 9) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+ proto_item_append_text(ti, " (ID=%u)", partition);
+
+ return offset;
+}
+
+static int
+dissect_kafka_metadata_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ int name_start, name_length;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 9, &name_start, &name_length);
+
+ proto_item_append_text(ti, " (%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ name_start, name_length, ENC_UTF_8));
+
+ if (api_version >= 1) {
+ proto_tree_add_item(subtree, hf_kafka_is_internal, tvb, offset, 1, ENC_NA);
+ offset += 1;
+ }
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_partition, NULL);
+
+ if (api_version >= 8) {
+ proto_tree_add_item(subtree, hf_kafka_topic_authorized_ops, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ if (api_version >= 9) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_metadata_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_brokers, &ti, "Broker Metadata");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_broker, NULL);
+ proto_item_set_end(ti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_string(tree, hf_kafka_cluster_id, tvb, pinfo, offset, api_version >= 9, NULL, NULL);
+ }
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_int32(tree, hf_kafka_controller_id, tvb, pinfo, offset, NULL);
+ }
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &ti, "Topic Metadata");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 9, api_version, &dissect_kafka_metadata_topic, NULL);
+ proto_item_set_end(ti, tvb, offset);
+
+ if (api_version >= 8) {
+ offset = dissect_kafka_int32(tree, hf_kafka_cluster_authorized_ops, tvb, pinfo, offset, NULL);
+ }
+
+ if (api_version >= 9) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* LEADER_AND_ISR REQUEST/RESPONSE */
+
+static int
+dissect_kafka_leader_and_isr_request_isr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ /* isr */
+ proto_tree_add_item(tree, hf_kafka_isr, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_leader_and_isr_request_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ /* replica */
+ proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_leader_and_isr_request_partition_state(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_tree *subtree, *subsubtree;
+ proto_item *subti, *subsubti;
+ int topic_start, topic_len;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_partition,
+ &subti, "Partition");
+
+ /* topic */
+ if (api_version < 2) {
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0,
+ &topic_start, &topic_len);
+ }
+
+ /* partition */
+ partition = (kafka_partition_t) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* controller_epoch */
+ proto_tree_add_item(subtree, hf_kafka_controller_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* leader */
+ proto_tree_add_item(subtree, hf_kafka_leader_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* leader_epoch */
+ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* [isr] */
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_isrs,
+ &subsubti, "ISRs");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leader_and_isr_request_isr, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ /* zk_version */
+ proto_tree_add_item(subtree, hf_kafka_zk_version, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* [replica] */
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_replicas,
+ &subsubti, "Current Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leader_and_isr_request_replica, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 3) {
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_replicas,
+ &subsubti, "Adding Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leader_and_isr_request_replica, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+ }
+
+ if (api_version >= 3) {
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_replicas,
+ &subsubti, "Removing Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leader_and_isr_request_replica, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+ }
+
+ if (api_version >= 1) {
+ proto_tree_add_item(subtree, hf_kafka_is_new_replica, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ }
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version < 2) {
+ proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8),
+ partition);
+ } else {
+ proto_item_append_text(subti, " (Partition-ID=%u)",
+ partition);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_leader_and_isr_request_topic_state(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_tree *subtree;
+ proto_item *subti;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Topic");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 4,
+ &topic_start, &topic_len);
+
+ /* [partition_state] */
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leader_and_isr_request_partition_state, NULL);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_leader_and_isr_request_live_leader(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ gint32 nodeid;
+ int host_start, host_len;
+ gint32 broker_port;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker,
+ &subti, "Live Leader");
+
+ /* id */
+ nodeid = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* host */
+ offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset,api_version >= 4, &host_start, &host_len);
+
+ /* port */
+ broker_port = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_broker_port, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (node %u: %s:%u)",
+ nodeid,
+ tvb_get_string_enc(pinfo->pool, tvb, host_start, host_len, ENC_UTF_8),
+ broker_port);
+
+ return offset;
+}
+
+static int
+dissect_kafka_leader_and_isr_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ gint32 controller_id;
+
+ /* controller_id */
+ controller_id = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(tree, hf_kafka_controller_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* controller_epoch */
+ proto_tree_add_item(tree, hf_kafka_controller_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 2) {
+ /* broker_epoch */
+ proto_tree_add_item(tree, hf_kafka_broker_epoch, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ if (api_version <= 1) {
+ /* [partition_state] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_leader_and_isr_request_partition_state, NULL);
+ } else {
+ /* [topic_state] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leader_and_isr_request_topic_state, NULL);
+ }
+
+ /* [live_leader] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leader_and_isr_request_live_leader, NULL);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ col_append_fstr(pinfo->cinfo, COL_INFO, " (Controller-ID=%d)", controller_id);
+
+ return offset;
+}
+
+static int
+dissect_kafka_leader_and_isr_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int topic_start, topic_len;
+ kafka_partition_t partition;
+ kafka_error_t error;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_partition,
+ &subti, "Partition");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 4, &topic_start, &topic_len);
+
+ /* partition */
+ partition = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* error_code */
+ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u, Error=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8),
+ partition,
+ kafka_error_to_str(error));
+
+ return offset;
+}
+
+static int
+dissect_kafka_leader_and_isr_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ /* [partition] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leader_and_isr_response_partition, NULL);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* STOP_REPLICA REQUEST/RESPONSE */
+
+static int
+dissect_kafka_stop_replica_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Topic");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_partitions,
+ &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_partition_id, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_stop_replica_request_ungrouped_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int topic_start, topic_len;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Partition");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ /* partition */
+ partition = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8),
+ partition);
+
+ return offset;
+}
+
+static int
+dissect_kafka_stop_replica_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ gint32 controller_id;
+
+ /* controller_id */
+ controller_id = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(tree, hf_kafka_controller_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* controller_epoch */
+ proto_tree_add_item(tree, hf_kafka_controller_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* broker_epoch */
+ if (api_version >= 1) {
+ proto_tree_add_item(tree, hf_kafka_broker_epoch, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ /* delete_partitions */
+ proto_tree_add_item(tree, hf_kafka_delete_partitions, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ /* in V1 list of topic/partition was changed to list of topics with their partitions */
+ if (api_version == 0) {
+ /* [ungrouped_partitions] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_partitions,
+ &subti, "Ungrouped Partitions");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_stop_replica_request_ungrouped_partition, NULL);
+ proto_item_set_end(subti, tvb, offset);
+ } else {
+ /* [topics] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_stop_replica_request_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+ }
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ col_append_fstr(pinfo->cinfo, COL_INFO, " (Controller-ID=%d)", controller_id);
+
+ return offset;
+}
+
+static int
+dissect_kafka_stop_replica_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int topic_start, topic_len;
+ kafka_error_t error;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_partition,
+ &subti, "Partition");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, &topic_start, &topic_len);
+
+ /* partition */
+ partition = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* error_code */
+ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u, Error=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8),
+ partition,
+ kafka_error_to_str(error));
+
+ return offset;
+}
+
+static int
+dissect_kafka_stop_replica_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ /* [partition] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_stop_replica_response_partition, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* FETCH REQUEST/RESPONSE */
+
+static int
+dissect_kafka_fetch_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ kafka_packet_values_t packet_values;
+ memset(&packet_values, 0, sizeof(packet_values));
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, 16, ett_kafka_partition, &ti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id);
+
+ if (api_version >= 9) {
+ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, &packet_values.offset);
+
+ if (api_version >= 5) {
+ proto_tree_add_item(subtree, hf_kafka_log_start_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ proto_tree_add_item(subtree, hf_kafka_max_bytes, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_item_append_text(ti, " (ID=%u, Offset=%" PRIi64 ")",
+ packet_values.partition_id, packet_values.offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_fetch_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ guint32 count = 0;
+ int name_start, name_length;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &name_start, &name_length);
+ count = tvb_get_ntohl(tvb, offset);
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_fetch_request_partition, NULL);
+
+ proto_item_set_end(ti, tvb, offset);
+ proto_item_append_text(ti, " (%u partitions)", count);
+
+ return offset;
+}
+
+static int
+dissect_kafka_fetch_request_forgottent_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_forgotten_topic_partition, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ return offset;
+}
+
+static int
+dissect_kafka_fetch_request_forgotten_topics_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ guint32 count = 0;
+ int name_start, name_length;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_request_forgotten_topic, &ti, "Fetch Request Forgotten Topic Data");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_forgotten_topic_name, tvb, pinfo, offset, 0, &name_start, &name_length);
+ count = tvb_get_ntohl(tvb, offset);
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_fetch_request_forgottent_topic_partition, NULL);
+
+ proto_item_set_end(ti, tvb, offset);
+ proto_item_append_text(ti, " (%u partitions)", count);
+
+ return offset;
+}
+
+static int
+dissect_kafka_fetch_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_tree_add_item(tree, hf_kafka_max_wait_time, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_tree_add_item(tree, hf_kafka_min_bytes, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 3) {
+ proto_tree_add_item(tree, hf_kafka_max_bytes, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ if (api_version >= 4) {
+ proto_tree_add_item(tree, hf_kafka_isolation_level, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ }
+
+ if (api_version >= 7) {
+ proto_tree_add_item(tree, hf_kafka_fetch_session_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_tree_add_item(tree, hf_kafka_fetch_session_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_fetch_request_topic, NULL);
+
+ if (api_version >= 7) {
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_fetch_request_forgotten_topics_data, NULL);
+ }
+
+ if (api_version >= 11) {
+ offset = dissect_kafka_string(tree, hf_kafka_rack, tvb, pinfo, offset, 0, NULL, NULL);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_aborted_transaction(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_aborted_transaction, &ti, "Transaction");
+
+ proto_tree_add_item(subtree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_tree_add_item(subtree, hf_kafka_first_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_aborted_transactions(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_aborted_transactions, &ti, "Aborted Transactions");
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_aborted_transaction, NULL);
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_fetch_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ guint len;
+ kafka_packet_values_t packet_values;
+ memset(&packet_values, 0, sizeof(packet_values));
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, &packet_values.offset);
+
+ if (api_version >= 4) {
+ proto_tree_add_item(subtree, hf_kafka_last_stable_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ if (api_version >= 5) {
+ proto_tree_add_item(subtree, hf_kafka_log_start_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_aborted_transactions(tvb, pinfo, subtree, offset, api_version);
+ }
+
+ if (api_version >= 11) {
+ proto_tree_add_item(subtree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ len = tvb_get_ntohl(tvb, offset);
+ offset += 4;
+
+ if (len > 0) {
+ offset = dissect_kafka_message_set(tvb, pinfo, subtree, offset, len, KAFKA_MESSAGE_CODEC_NONE);
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+
+ proto_item_append_text(ti, " (ID=%u, Offset=%" PRIi64 ")",
+ packet_values.partition_id, packet_values.offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_fetch_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ guint32 count = 0;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_fetch_response_partition, &count);
+
+ proto_item_set_end(ti, tvb, offset);
+ proto_item_append_text(ti, " (%u partitions)", count);
+
+ return offset;
+}
+
+static int
+dissect_kafka_fetch_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ if (api_version >= 1) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ if (api_version >= 7) {
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ proto_tree_add_item(tree, hf_kafka_fetch_session_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ return dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_fetch_response_topic, NULL);
+}
+
+/* PRODUCE REQUEST/RESPONSE */
+
+static int
+dissect_kafka_produce_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ guint len;
+ kafka_packet_values_t packet_values;
+ memset(&packet_values, 0, sizeof(packet_values));
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, 14, ett_kafka_partition, &ti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id);
+
+ len = tvb_get_ntohl(tvb, offset);
+ offset += 4;
+
+ if (len > 0) {
+ offset = dissect_kafka_message_set(tvb, pinfo, subtree, offset, len, KAFKA_MESSAGE_CODEC_NONE);
+ }
+
+ proto_item_append_text(ti, " (ID=%u)", packet_values.partition_id);
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_produce_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int start_offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ int offset = start_offset;
+ int topic_off, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_off, &topic_len);
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_produce_request_partition, NULL);
+
+ proto_item_append_text(ti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb, topic_off, topic_len, ENC_UTF_8));
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_produce_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ if (api_version >= 3) {
+ offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, 0, NULL, NULL);
+ }
+
+ proto_tree_add_item(tree, hf_kafka_required_acks, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_produce_request_topic, NULL);
+
+ return offset;
+}
+
+static int
+dissect_kafka_produce_response_partition_record_error(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_) {
+ proto_item *ti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_record_error, &ti, "Record Error");
+
+ proto_tree_add_item(subtree, hf_kafka_batch_index, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ offset = dissect_kafka_string(subtree, hf_kafka_batch_index_error_message, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+
+}
+static int
+dissect_kafka_produce_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version) {
+ proto_item *ti, *subti;
+ proto_tree *subtree, *subsubtree;
+ kafka_packet_values_t packet_values;
+ memset(&packet_values, 0, sizeof(packet_values));
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &packet_values.partition_id);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, &packet_values.offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_offset_time(tvb, pinfo, subtree, offset, api_version);
+ }
+
+ if (api_version >= 5) {
+ proto_tree_add_item(subtree, hf_kafka_log_start_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ if (api_version >= 8) {
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_record_errors, &subti, "Record Errors");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_produce_response_partition_record_error, NULL);
+ proto_item_set_end(subti, tvb, offset);
+ }
+
+ if (api_version >= 8) {
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL);
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+
+ proto_item_append_text(ti, " (ID=%u, Offset=%" PRIi64 ")",
+ packet_values.partition_id, packet_values.offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_produce_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_produce_response_partition, NULL);
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_produce_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_produce_response_topic, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ return offset;
+}
+
+/* OFFSETS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_offsets_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ kafka_partition_t partition = 0;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition);
+
+ if (api_version >= 4) {
+ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ offset = dissect_kafka_offset_time(tvb, pinfo, subtree, offset, api_version);
+
+ if (api_version == 0) {
+ proto_tree_add_item(subtree, hf_kafka_max_offsets, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+ proto_item_append_text(ti, " (ID=%u)", partition);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offsets_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_offsets_request_partition, NULL);
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offsets_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 2) {
+ proto_tree_add_item(tree, hf_kafka_isolation_level, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ }
+
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offsets_request_topic, NULL);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offsets_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ kafka_partition_t partition = 0;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &ti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ if (api_version == 0) {
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offset, NULL);
+ }
+ else if (api_version >= 1) {
+ offset = dissect_kafka_offset_time(tvb, pinfo, subtree, offset, api_version);
+
+ offset = dissect_kafka_offset_ret(tvb, pinfo, subtree, offset, NULL);
+ }
+
+ if (api_version >= 4) {
+ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ proto_item_set_end(ti, tvb, offset);
+ proto_item_append_text(ti, " (ID=%u)", partition);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offsets_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &ti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_offsets_response_partition, NULL);
+
+ proto_item_set_end(ti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offsets_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int start_offset,
+ kafka_api_version_t api_version)
+{
+ int offset = start_offset;
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ return dissect_kafka_array(tree, tvb, pinfo, offset, 0, api_version, &dissect_kafka_offsets_response_topic, NULL);
+}
+
+/* API_VERSIONS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_api_versions_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ if (api_version >= 3) {
+ offset = dissect_kafka_compact_string(tree, hf_kafka_client_software_name, tvb, pinfo, offset, NULL, NULL);
+ offset = dissect_kafka_compact_string(tree, hf_kafka_client_software_version, tvb, pinfo, offset, NULL, NULL);
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_api_versions_response_api_version(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *ti;
+ proto_tree *subtree;
+ kafka_api_key_t api_key;
+ kafka_api_version_t min_version, max_version;
+ const kafka_api_info_t *api_info;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_api_version, &ti,
+ "API Version");
+
+ api_key = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_api_versions_api_key, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ min_version = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_api_versions_min_version, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ max_version = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_api_versions_max_version, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_item_set_end(ti, tvb, offset);
+ if (max_version != min_version) {
+ /* Range of versions supported. */
+ proto_item_append_text(subtree, " %s (v%d-%d)",
+ kafka_api_key_to_str(api_key),
+ min_version, max_version);
+ }
+ else {
+ /* Only one version. */
+ proto_item_append_text(subtree, " %s (v%d)",
+ kafka_api_key_to_str(api_key),
+ min_version);
+ }
+
+ api_info = kafka_get_api_info(api_key);
+ if (api_info == NULL) {
+ proto_item_append_text(subtree, " [Unknown API key]");
+ expert_add_info_format(pinfo, ti, &ei_kafka_unknown_api_key,
+ "%s API key", kafka_api_key_to_str(api_key));
+ }
+ else if (!kafka_is_api_version_supported(api_info, min_version) ||
+ !kafka_is_api_version_supported(api_info, max_version)) {
+ if (api_info->min_version == -1) {
+ proto_item_append_text(subtree, " [Unsupported API version]");
+ expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version,
+ "Unsupported %s version.",
+ kafka_api_key_to_str(api_key));
+ }
+ else if (api_info->min_version == api_info->max_version) {
+ proto_item_append_text(subtree, " [Unsupported API version. Supports v%d]",
+ api_info->min_version);
+ expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version,
+ "Unsupported %s version. Supports v%d.",
+ kafka_api_key_to_str(api_key), api_info->min_version);
+ } else {
+ proto_item_append_text(subtree, " [Unsupported API version. Supports v%d-%d]",
+ api_info->min_version, api_info->max_version);
+ expert_add_info_format(pinfo, ti, &ei_kafka_unsupported_api_version,
+ "Unsupported %s version. Supports v%d-%d.",
+ kafka_api_key_to_str(api_key),
+ api_info->min_version, api_info->max_version);
+ }
+ }
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_api_versions_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ /* [api_version] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 3, api_version,
+ &dissect_kafka_api_versions_response_api_version, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* UPDATE_METADATA REQUEST/RESPONSE */
+
+static int
+dissect_kafka_update_metadata_request_replica(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ return dissect_kafka_int32(tree, hf_kafka_replica, tvb, pinfo, offset, NULL);
+}
+
+static int
+dissect_kafka_update_metadata_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_tree *subtree, *subsubtree;
+ proto_item *subti, *subsubti;
+ int topic_start, topic_len;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_partition,
+ &subti, "Partition");
+
+ /* topic */
+ if (api_version < 5) {
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0,
+ &topic_start, &topic_len);
+ }
+
+ /* partition */
+ offset = dissect_kafka_int32(subtree, hf_kafka_partition_id, tvb, pinfo, offset, &partition);
+
+ /* controller_epoch */
+ offset = dissect_kafka_int32(subtree, hf_kafka_controller_epoch, tvb, pinfo, offset, NULL);
+
+ /* leader */
+ offset = dissect_kafka_int32(subtree, hf_kafka_leader_id, tvb, pinfo, offset, NULL);
+
+ /* leader_epoch */
+ offset = dissect_kafka_int32(subtree, hf_kafka_leader_epoch, tvb, pinfo, offset, NULL);
+
+ /* [isr] */
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_isrs,
+ &subsubti, "Insync Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_update_metadata_request_replica, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ /* zk_version */
+ offset = dissect_kafka_int32(subtree, hf_kafka_zk_version, tvb, pinfo, offset, NULL);
+
+ /* [replica] */
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_replicas,
+ &subsubti, "Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_update_metadata_request_replica, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ /* [offline_replica] */
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_replicas,
+ &subsubti, "Offline Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_update_metadata_request_replica, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 5) {
+ proto_item_append_text(subti, " (Partition-ID=%u)",
+ partition);
+ } else {
+ proto_item_append_text(subti, " (Topic=%s, Partition-ID=%u)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8),
+ partition);
+ }
+ return offset;
+}
+
+static int
+dissect_kafka_update_metadata_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_tree *subtree;
+ proto_item *subti;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Topic");
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 6,
+ &topic_start, &topic_len);
+
+ /* partitions */
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_update_metadata_request_partition, NULL);
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_update_metadata_request_endpoint(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int host_start, host_len;
+ gint32 broker_port;
+ gint16 security_protocol_type;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker_end_point,
+ &subti, "End Point");
+
+ /* port */
+ offset = dissect_kafka_int32(subtree, hf_kafka_broker_port, tvb, pinfo, offset, &broker_port);
+
+ /* host */
+ offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset, api_version >= 6, &host_start, &host_len);
+
+ /* listener_name */
+ if (api_version >= 3) {
+ offset = dissect_kafka_string(subtree, hf_kafka_listener_name, tvb, pinfo, offset, api_version >= 6, NULL, NULL);
+ }
+
+ /* security_protocol_type */
+ offset = dissect_kafka_int16(subtree, hf_kafka_broker_security_protocol_type, tvb, pinfo, offset, &security_protocol_type);
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (%s://%s:%d)",
+ val_to_str_const(security_protocol_type,
+ kafka_security_protocol_types, "UNKNOWN"),
+ tvb_get_string_enc(pinfo->pool, tvb, host_start, host_len,
+ ENC_UTF_8),
+ broker_port);
+
+ return offset;
+}
+
+static int
+dissect_kafka_update_metadata_request_broker(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ gint32 nodeid;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker,
+ &subti, "Live Leader");
+
+ /* id */
+ offset = dissect_kafka_int32(subtree, hf_kafka_broker_nodeid, tvb, pinfo, offset, &nodeid);
+
+ if (api_version == 0) {
+ int host_start, host_len;
+ gint32 broker_port;
+
+ /* host */
+ offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset, 0, &host_start, &host_len);
+
+ /* port */
+ offset = dissect_kafka_int32(tree, hf_kafka_broker_port, tvb, pinfo, offset, &broker_port);
+
+ proto_item_append_text(subti, " (node %u: %s:%u)",
+ nodeid,
+ tvb_get_string_enc(pinfo->pool, tvb, host_start, host_len,
+ ENC_UTF_8),
+ broker_port);
+ } else if (api_version >= 1) {
+ /* [end_point] */
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_update_metadata_request_endpoint, NULL);
+
+ if (api_version >= 2) {
+ /* rack */
+ offset = dissect_kafka_string(subtree, hf_kafka_rack, tvb, pinfo, offset, api_version >= 6, NULL, NULL);
+ }
+
+ proto_item_append_text(subti, " (node %d)",
+ nodeid);
+ }
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_update_metadata_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ gint32 controller_id;
+
+ /* controller_id */
+ offset = dissect_kafka_int32(tree, hf_kafka_controller_id, tvb, pinfo, offset, &controller_id);
+
+ /* controller_epoch */
+ offset = dissect_kafka_int32(tree, hf_kafka_controller_epoch, tvb, pinfo, offset, NULL);
+
+ /* broker_epoch */
+ if (api_version >= 5) {
+ offset = dissect_kafka_int64(tree, hf_kafka_broker_epoch, tvb, pinfo, offset, NULL);
+ }
+
+ if (api_version >= 5) {
+ /* [topic_state] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_update_metadata_request_topic, NULL);
+ } else {
+ /* [partition_state] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_update_metadata_request_partition, NULL);
+ }
+
+ /* [live_leader] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_update_metadata_request_broker, NULL);
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_update_metadata_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* CONTROLLED_SHUTDOWN REQUEST/RESPONSE */
+
+static int
+dissect_kafka_controlled_shutdown_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ gint32 broker_id;
+
+ /* broker_id */
+ broker_id = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(tree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 2) {
+ proto_tree_add_item(tree, hf_kafka_broker_epoch, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ col_append_fstr(pinfo->cinfo, COL_INFO, " (Broker-ID=%d)", broker_id);
+
+ return offset;
+}
+
+static int
+dissect_kafka_controlled_shutdown_response_partition_remaining(tvbuff_t *tvb, packet_info *pinfo,
+ proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int topic_start, topic_len;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti,
+ "Partition Remaining");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 3,
+ &topic_start, &topic_len);
+
+ /* partition */
+ partition = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s, Partition-ID=%d)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8),
+ partition);
+
+ return offset;
+}
+
+static int
+dissect_kafka_controlled_shutdown_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ /* [partition_remaining] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 3, api_version,
+ &dissect_kafka_controlled_shutdown_response_partition_remaining, NULL);
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* OFFSET_COMMIT REQUEST/RESPONSE */
+
+static int
+dissect_kafka_offset_commit_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ kafka_partition_t partition_id;
+ kafka_offset_t partition_offset;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti,
+ "Partition");
+
+ /* partition */
+ partition_id = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* offset */
+ partition_offset = (gint64) tvb_get_ntoh64(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ if (api_version >= 6) {
+ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ if (api_version == 1) {
+ /* timestamp */
+ proto_tree_add_item(subtree, hf_kafka_commit_timestamp, tvb, offset, 8, ENC_TIME_MSECS|ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ /* metadata */
+ offset = dissect_kafka_string(subtree, hf_kafka_metadata, tvb, pinfo, offset, api_version >= 8, NULL, NULL);
+
+ if (api_version >= 8) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (ID=%u, Offset=%" PRIi64 ")",
+ partition_id, partition_offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_commit_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 8,
+ &topic_start, &topic_len);
+ /* [partition] */
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 8, api_version,
+ &dissect_kafka_offset_commit_request_partition, NULL);
+
+ if (api_version >= 8) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_commit_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ int group_start = 0, group_len;
+
+ /* group_id */
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 8,
+ &group_start, &group_len);
+
+ if (api_version >= 1) {
+ /* group_generation_id */
+ proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ /* member_id */
+ if (api_version >= 1) {
+ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 8, NULL, NULL);
+ }
+
+ /* instance_id */
+ if (api_version >= 7) {
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 8, NULL, NULL);
+ }
+
+ /* retention_time */
+ if (api_version >= 2 && api_version < 5) {
+ proto_tree_add_item(tree, hf_kafka_retention_time, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ /* [topic] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 8, api_version,
+ &dissect_kafka_offset_commit_request_topic, NULL);
+
+ if (api_version >= 8) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " (Group=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ group_start, group_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_commit_response_partition_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ kafka_partition_t partition;
+ kafka_error_t error;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti,
+ "Partition");
+
+ /* partition */
+ partition = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* error_code */
+ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error);
+
+ if (api_version >= 8) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Partition-ID=%d, Error=%s)",
+ partition, kafka_error_to_str(error));
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_commit_response_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 8,
+ &topic_start, &topic_len);
+
+ /* [partition_response] */
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 8, api_version,
+ &dissect_kafka_offset_commit_response_partition_response, NULL);
+
+ if (api_version >= 8) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_commit_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ if (api_version >= 3) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* [responses] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 8, api_version,
+ &dissect_kafka_offset_commit_response_response, NULL);
+
+ if (api_version >= 8) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* GROUP_COORDINATOR REQUEST/RESPONSE */
+
+static int
+dissect_kafka_find_coordinator_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ int group_start, group_len;
+
+ if (api_version == 0) {
+ /* group_id */
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, 0,
+ &group_start, &group_len);
+
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " (Group=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ group_start, group_len, ENC_UTF_8));
+ } else {
+
+ offset = dissect_kafka_string(tree, hf_kafka_coordinator_key, tvb, pinfo, offset, api_version >= 3,
+ NULL, NULL);
+
+ proto_tree_add_item(tree, hf_kafka_coordinator_type, tvb, offset, 1, ENC_NA);
+ offset += 1;
+
+ }
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_find_coordinator_response_coordinator(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ gint32 node_id;
+ int host_start, host_len;
+ gint32 port;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_broker, &subti, "Coordinator");
+
+ /* node_id */
+ node_id = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* host */
+ offset = dissect_kafka_string(subtree, hf_kafka_broker_host, tvb, pinfo, offset, api_version >= 3,
+ &host_start, &host_len);
+
+ /* port */
+ port = (gint32) tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_broker_port, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (node_id >= 0) {
+ proto_item_append_text(subti, " (node %d: %s:%d)",
+ node_id,
+ tvb_get_string_enc(pinfo->pool, tvb,
+ host_start, host_len, ENC_UTF_8),
+ port);
+ } else {
+ proto_item_append_text(subti, " (none)");
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_find_coordinator_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ if (api_version >= 1) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 3,
+ NULL, NULL);
+ }
+
+ /* coordinator */
+ offset = dissect_kafka_find_coordinator_response_coordinator(tvb, pinfo, tree, offset, api_version);
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* JOIN_GROUP REQUEST/RESPONSE */
+
+static int
+dissect_kafka_join_group_request_group_protocols(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int protocol_start, protocol_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_protocol, &subti,
+ "Group Protocol");
+
+ /* protocol_name */
+ offset = dissect_kafka_string(subtree, hf_kafka_protocol_name, tvb, pinfo, offset, api_version >= 6,
+ &protocol_start, &protocol_len);
+
+ /* protocol_metadata */
+ offset = dissect_kafka_bytes(subtree, hf_kafka_protocol_metadata, tvb, pinfo, offset, api_version >= 6, NULL, NULL);
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Group-ID=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ protocol_start, protocol_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_join_group_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int group_start, group_len;
+ int member_start, member_len;
+
+ /* group_id */
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 6,
+ &group_start, &group_len);
+
+ /* session_timeout */
+ proto_tree_add_item(tree, hf_kafka_session_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version > 0) {
+ /* rebalance_timeout */
+ proto_tree_add_item(tree, hf_kafka_rebalance_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ /* member_id */
+ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 6,
+ &member_start, &member_len);
+
+ /* instance id */
+ if (api_version >= 5) {
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 6,
+ NULL, NULL);
+ }
+
+ /* protocol_type */
+ offset = dissect_kafka_string(tree, hf_kafka_protocol_type, tvb, pinfo, offset, api_version >= 6, NULL, NULL);
+
+ /* [group_protocols] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_protocols, &subti,
+ "Group Protocols");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_join_group_request_group_protocols, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " (Group=%s, Member=%s)",
+ kafka_tvb_get_string(pinfo->pool, tvb, group_start, group_len),
+ kafka_tvb_get_string(pinfo->pool, tvb, member_start, member_len));
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_join_group_response_member(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int member_start, member_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_member, &subti, "Member");
+
+ /* member_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 6,
+ &member_start, &member_len);
+
+ /* instance id */
+ if (api_version >= 5) {
+ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 6,
+ NULL, NULL);
+ }
+
+ /* member_metadata */
+ offset = dissect_kafka_bytes(subtree, hf_kafka_member_metadata, tvb, pinfo, offset, api_version >= 6, NULL, NULL);
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Member=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_join_group_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int member_start = 0, member_len;
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ /* generation_id */
+ proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* group_protocol_type */
+ if (api_version >= 7) {
+ offset = dissect_kafka_string(tree, hf_kafka_protocol_type, tvb, pinfo, offset, 1,NULL, NULL);
+ }
+
+ /* group_protocol */
+ offset = dissect_kafka_string(tree, hf_kafka_protocol_name, tvb, pinfo, offset, api_version >= 6, NULL, NULL);
+
+ /* leader_id */
+ offset = dissect_kafka_string(tree, hf_kafka_group_leader_id, tvb, pinfo, offset, api_version >= 6, NULL, NULL);
+
+ /* member_id */
+ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 6, &member_start, &member_len);
+
+ /* [member] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_members, &subti, "Members");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 6, api_version,
+ &dissect_kafka_join_group_response_member, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " (Member=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8));
+
+ if (api_version >= 6) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* HEARTBEAT REQUEST/RESPONSE */
+
+static int
+dissect_kafka_heartbeat_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ int group_start, group_len;
+ int member_start, member_len;
+
+ /* group_id */
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 4,
+ &group_start, &group_len);
+
+ /* group_generation_id */
+ proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* member_id */
+ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4,
+ &member_start, &member_len);
+
+ /* instance_id */
+ if (api_version >= 3) {
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 4,
+ NULL, NULL);
+ }
+
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " (Group=%s, Member=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ group_start, group_len, ENC_UTF_8),
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8));
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_heartbeat_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ if (api_version >= 1) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* LEAVE_GROUP REQUEST/RESPONSE */
+
+static int
+dissect_kafka_leave_group_request_member(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int member_start, member_len;
+ int instance_start, instance_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_member, &subti, "Member");
+
+ /* member_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4,
+ &member_start, &member_len);
+
+ /* instance_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 4,
+ &instance_start, &instance_len);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (instance_len >= 0) {
+ proto_item_append_text(subti, " (Member=%s, Group-Instance=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8),
+ tvb_get_string_enc(pinfo->pool, tvb,
+ instance_start, instance_len, ENC_UTF_8)
+ );
+ } else {
+ proto_item_append_text(subti, " (Member=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8)
+ );
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_leave_group_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ int group_start, group_len;
+ int member_start, member_len;
+ proto_item *subti;
+ proto_tree *subtree;
+
+ /* group_id */
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 4,
+ &group_start, &group_len);
+
+ if (api_version >= 0 && api_version <= 2) {
+
+ /* member_id */
+ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, 0,
+ &member_start, &member_len);
+
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " (Group=%s, Member=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ group_start, group_len, ENC_UTF_8),
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8));
+
+ } else if (api_version >= 3) {
+
+ // KIP-345
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_members, &subti, "Members");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leave_group_request_member, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " (Group=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ group_start, group_len, ENC_UTF_8));
+
+ }
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_leave_group_response_member(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int member_start, member_len;
+ int instance_start, instance_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_member, &subti, "Member");
+
+ /* member_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4,
+ &member_start, &member_len);
+
+ /* instance_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 4,
+ &instance_start, &instance_len);
+
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (instance_len >= 0) {
+ proto_item_append_text(subti, " (Member=%s, Group-Instance=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8),
+ tvb_get_string_enc(pinfo->pool, tvb,
+ instance_start, instance_len, ENC_UTF_8)
+ );
+ } else {
+ proto_item_append_text(subti, " (Member=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8)
+ );
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_leave_group_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ if (api_version >= 3) {
+
+ // KIP-345
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_members, &subti, "Members");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_leave_group_response_member, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ }
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* SYNC_GROUP REQUEST/RESPONSE */
+
+static int
+dissect_kafka_sync_group_request_group_assignment(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int member_start, member_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_assignment, &subti,
+ "Group Assignment");
+
+ /* member_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4,
+ &member_start, &member_len);
+
+ /* member_assigment */
+ offset = dissect_kafka_bytes(subtree, hf_kafka_member_assignment, tvb, pinfo, offset, api_version >= 4, NULL, NULL);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Member=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_sync_group_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int group_start, group_len;
+ int member_start, member_len;
+
+ /* group_id */
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 4,
+ &group_start, &group_len);
+
+ /* generation_id */
+ proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* member_id */
+ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 4,
+ &member_start, &member_len);
+
+ /* instance_id */
+ if (api_version >= 3) {
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 4,
+ NULL, NULL);
+ }
+
+ /* protocol_type */
+ if (api_version >= 5) {
+ offset = dissect_kafka_string(tree, hf_kafka_protocol_type, tvb, pinfo, offset, 1,
+ NULL, NULL);
+ }
+
+ /* protocol_name */
+ if (api_version >= 5) {
+ offset = dissect_kafka_string(tree, hf_kafka_protocol_name, tvb, pinfo, offset, 1,
+ NULL, NULL);
+ }
+
+ /* [group_assignment] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_assignments, &subti,
+ "Group Assignments");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_sync_group_request_group_assignment, NULL);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ col_append_fstr(pinfo->cinfo, COL_INFO,
+ " (Group=%s, Member=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ group_start, group_len, ENC_UTF_8),
+ tvb_get_string_enc(pinfo->pool, tvb,
+ member_start, member_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_sync_group_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ if (api_version >= 1) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ /* protocol_type */
+ if (api_version >= 5) {
+ offset = dissect_kafka_compact_string(tree, hf_kafka_protocol_type, tvb, pinfo, offset,
+ NULL, NULL);
+ }
+
+ /* protocol_name */
+ if (api_version >= 5) {
+ offset = dissect_kafka_compact_string(tree, hf_kafka_protocol_name, tvb, pinfo, offset,
+ NULL, NULL);
+ }
+
+ /* member_assignment */
+ offset = dissect_kafka_bytes(tree, hf_kafka_member_assignment, tvb, pinfo, offset, api_version >= 4, NULL, NULL);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* DESCRIBE_GROUPS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_describe_groups_request_group_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ /* group_id */
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_groups_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ /* [group_id] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 5, api_version,
+ &dissect_kafka_describe_groups_request_group_id, NULL);
+
+ if (api_version >= 3) {
+ proto_tree_add_item(tree, hf_kafka_include_group_authorized_ops, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ }
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_groups_response_member(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int member_start, member_len = -1;
+ int instance_start, instance_len = -1;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group_member, &subti, "Member");
+
+ /* member_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_member_id, tvb, pinfo, offset, api_version >= 5,
+ &member_start, &member_len);
+
+ /* instance_id */
+ if (api_version >= 4) {
+ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, api_version >= 5,
+ &instance_start, &instance_len);
+ }
+
+ /* client_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_client_id, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ /* client_host */
+ offset = dissect_kafka_string(subtree, hf_kafka_client_host, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ /* member_metadata */
+ offset = dissect_kafka_bytes(subtree, hf_kafka_member_metadata, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ /* member_assignment */
+ offset = dissect_kafka_bytes(subtree, hf_kafka_member_assignment, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version < 4) {
+ proto_item_append_text(subti, " (Member=%s)",
+ kafka_tvb_get_string(pinfo->pool, tvb, member_start, member_len));
+
+ } else {
+ proto_item_append_text(subti, " (Member=%s, Instance=%s)",
+ kafka_tvb_get_string(pinfo->pool, tvb, member_start, member_len),
+ kafka_tvb_get_string(pinfo->pool, tvb, instance_start, instance_len));
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_groups_response_group(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int group_start, group_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group, &subti, "Group");
+
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ /* group_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 5,
+ &group_start, &group_len);
+
+ /* state */
+ offset = dissect_kafka_string(subtree, hf_kafka_group_state, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ /* protocol_type */
+ offset = dissect_kafka_string(subtree, hf_kafka_protocol_type, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ /* protocol */
+ offset = dissect_kafka_string(subtree, hf_kafka_protocol_name, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ /* [member] */
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_group_members,
+ &subsubti, "Members");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 5, api_version,
+ &dissect_kafka_describe_groups_response_member, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_int32(subtree, hf_kafka_group_authorized_ops, tvb, pinfo, offset, NULL);
+ }
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Group=%s)",
+ kafka_tvb_get_string(pinfo->pool, tvb, group_start, group_len));
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_groups_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ if (api_version >= 1) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* [group] */
+ offset = dissect_kafka_array(tree, tvb, pinfo, offset, api_version >= 5, api_version,
+ &dissect_kafka_describe_groups_response_group, NULL);
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* LIST_GROUPS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_list_groups_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_list_groups_response_group(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int group_start, group_len;
+ int protocol_type_start, protocol_type_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group, &subti, "Group");
+
+ /* group_id */
+ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 3,
+ &group_start, &group_len);
+
+ /* protocol_type */
+ offset = dissect_kafka_string(subtree, hf_kafka_protocol_type, tvb, pinfo, offset, api_version >= 3,
+ &protocol_type_start, &protocol_type_len);
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Group-ID=%s, Protocol-Type=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ group_start, group_len, ENC_UTF_8),
+ tvb_get_string_enc(pinfo->pool, tvb,
+ protocol_type_start, protocol_type_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_list_groups_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ /* [group] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_groups, &subti, "Groups");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 3, api_version,
+ &dissect_kafka_list_groups_response_group, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* SASL_HANDSHAKE REQUEST/RESPONSE */
+
+static int
+dissect_kafka_sasl_handshake_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ /* mechanism */
+ offset = dissect_kafka_string(tree, hf_kafka_sasl_mechanism, tvb, pinfo, offset, 0, NULL, NULL);
+
+ return offset;
+}
+
+static int
+dissect_kafka_sasl_handshake_response_enabled_mechanism(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ /* mechanism */
+ offset = dissect_kafka_string(tree, hf_kafka_sasl_mechanism, tvb, pinfo, offset, 0, NULL, NULL);
+
+ return offset;
+}
+
+static int
+dissect_kafka_sasl_handshake_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ /* error_code */
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ /* [enabled_mechanism] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_sasl_enabled_mechanisms,
+ &subti, "Enabled SASL Mechanisms");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_sasl_handshake_response_enabled_mechanism, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* CREATE_TOPICS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_create_topics_request_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ /* replica */
+ proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_topics_request_replica_assignment(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_replica_assignment,
+ &subti, "Replica Assignment");
+
+ /* partition_id */
+ dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition);
+
+ /* [replica] */
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 5, api_version,
+ &dissect_kafka_create_topics_request_replica, NULL);
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Partition-ID=%d)",
+ partition);
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_topics_request_config(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int key_start, key_len;
+ int val_start, val_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_config,
+ &subti, "Config");
+
+ /* key */
+ offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, api_version >= 5, &key_start, &key_len);
+
+ /* value */
+ offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, api_version >= 5, &val_start, &val_len);
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Key=%s, Value=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ key_start, key_len, ENC_UTF_8),
+ tvb_get_string_enc(pinfo->pool, tvb,
+ val_start, val_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_topics_request_create_topic_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Create Topic Request");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 5, &topic_start, &topic_len);
+
+ /* num_partitions */
+ proto_tree_add_item(subtree, hf_kafka_num_partitions, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ /* replication_factor */
+ proto_tree_add_item(subtree, hf_kafka_replication_factor, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ /* [replica_assignment] */
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_replica_assignment,
+ &subsubti, "Replica Assignments");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 5, api_version,
+ &dissect_kafka_create_topics_request_replica_assignment, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ /* [config] */
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_config,
+ &subsubti, "Configs");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 5, api_version,
+ &dissect_kafka_create_topics_request_config, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_topics_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ /* [topic] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Create Topic Requests");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 5, api_version,
+ &dissect_kafka_create_topics_request_create_topic_request, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ /* timeout */
+ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 1) {
+ /* validate */
+ proto_tree_add_item(tree, hf_kafka_validate_only, tvb, offset, 1, ENC_NA);
+ offset += 1;
+ }
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_topics_response_topic_config(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_config_entry,
+ &subti, "Config Entry");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_config_readonly, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_config_source, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_config_sensitive, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+
+}
+
+static int
+dissect_kafka_create_topics_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int topic_start, topic_len;
+ kafka_error_t error;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Topic");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 5, &topic_start, &topic_len);
+
+ /* error_code */
+ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 5, NULL, NULL);
+ }
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_int32(subtree, hf_kafka_num_partitions, tvb, pinfo, offset, NULL);
+ }
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_int16(subtree, hf_kafka_replication_factor, tvb, pinfo, offset, NULL);
+ }
+
+ if (api_version >= 5) {
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_config,
+ &subsubti, "Config");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 5, api_version,
+ &dissect_kafka_create_topics_response_topic_config, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+ }
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s, Error=%s)",
+ kafka_tvb_get_string(pinfo->pool, tvb, topic_start, topic_len),
+ kafka_error_to_str(error));
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_topics_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* [topic_error_code] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 5, api_version,
+ &dissect_kafka_create_topics_response_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 5) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* DELETE_TOPICS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_delete_topics_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ /* topic */
+ offset = dissect_kafka_string(tree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 4, NULL, NULL);
+ return offset;
+}
+
+static int
+dissect_kafka_delete_topics_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ /* [topic] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_delete_topics_request_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ /* timeout */
+ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_topics_response_topic_error_code(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int topic_start, topic_len;
+ kafka_error_t error;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Topic Error Code");
+
+ /* topic */
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 4, &topic_start, &topic_len);
+
+ /* error_code */
+ offset = dissect_kafka_error_ret(tvb, pinfo, subtree, offset, &error);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s, Error=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8),
+ kafka_error_to_str(error));
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_topics_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ /* [topic_error_code] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topic Error Codes");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 4, api_version,
+ &dissect_kafka_delete_topics_response_topic_error_code, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 4) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* DELETE_RECORDS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_delete_records_request_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ guint32 partition_id;
+ gint64 partition_offset;
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ partition_offset = tvb_get_ntohi64(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (partition_offset == -1) {
+ proto_item_append_text(subti, " (ID=%u, Offset=HWM)", partition_id);
+ } else {
+ proto_item_append_text(subti, " (ID=%u, Offset=%" PRIi64 ")", partition_id, partition_offset);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_records_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_delete_records_request_topic_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_records_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ /* [topic] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_delete_records_request_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ /* timeout */
+ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_records_response_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ guint32 partition_id;
+ gint64 partition_offset; // low watermark
+ kafka_error_t partition_error_code;
+
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ partition_offset = tvb_get_ntohi64(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (partition_error_code == 0) {
+ proto_item_append_text(subti, " (ID=%u, Offset=%" PRIi64 ")", partition_id, partition_offset);
+ } else {
+ proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code));
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_records_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_delete_records_response_topic_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_delete_records_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ /* [topic_error_code] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_delete_records_response_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* INIT_PRODUCER_ID REQUEST/RESPONSE */
+
+static int
+dissect_kafka_init_producer_id_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+
+ offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ proto_tree_add_item(tree, hf_kafka_transaction_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 3) {
+ proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ }
+
+ if (api_version >= 3) {
+ proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ }
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_init_producer_id_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* OFFSET_FOR_LEADER_EPOCH REQUEST/RESPONSE */
+
+static int
+dissect_kafka_offset_for_leader_epoch_request_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ guint32 partition_id;
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 2) {
+ proto_tree_add_item(subtree, hf_kafka_current_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_item_set_end(subti, tvb, offset);
+
+ proto_item_append_text(subti, " (ID=%u)", partition_id);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_for_leader_epoch_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_offset_for_leader_epoch_request_topic_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_for_leader_epoch_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ gint32 replica_id;
+
+ if (api_version >= 3) {
+ replica_id = tvb_get_ntohl(tvb, offset);
+ subti = proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN);
+ if (replica_id==-2) {
+ proto_item_append_text(subti, " (debug)");
+ } else if (replica_id==-1) {
+ proto_item_append_text(subti, " (consumer)");
+ }
+ offset += 4;
+ }
+
+ /* [topic] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_offset_for_leader_epoch_request_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_for_leader_epoch_response_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ guint32 partition_id;
+ kafka_error_t partition_error_code;
+
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (api_version >= 1) {
+ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (partition_error_code == 0) {
+ proto_item_append_text(subti, " (ID=%u)", partition_id);
+ } else {
+ proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code));
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_for_leader_epoch_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_offset_for_leader_epoch_response_topic_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_offset_for_leader_epoch_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+ }
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_offset_for_leader_epoch_response_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* ADD_PARTITIONS_TO_TXN REQUEST/RESPONSE */
+
+static int
+dissect_kafka_add_partitions_to_txn_request_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+
+ return offset+4;
+}
+
+static int
+dissect_kafka_add_partitions_to_txn_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_add_partitions_to_txn_request_topic_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_add_partitions_to_txn_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ /* [topic] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_add_partitions_to_txn_request_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_add_partitions_to_txn_response_topic_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ guint32 partition_id;
+ kafka_error_t partition_error_code;
+
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (partition_error_code == 0) {
+ proto_item_append_text(subti, " (ID=%u)", partition_id);
+ } else {
+ proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code));
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_add_partitions_to_txn_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_add_partitions_to_txn_response_topic_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_add_partitions_to_txn_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_add_partitions_to_txn_response_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* ADD_OFFSETS_TO_TXN REQUEST/RESPONSE */
+
+static int
+dissect_kafka_add_offsets_to_txn_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, 0, NULL, NULL);
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_add_offsets_to_txn_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ return offset;
+}
+
+/* END_TXN REQUEST/RESPONSE */
+
+static int
+dissect_kafka_end_txn_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(tree, hf_kafka_transaction_result, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_end_txn_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ return offset;
+}
+
+/* WRITE_TXN_MARKERS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_write_txn_markers_request_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_write_txn_markers_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_write_txn_markers_request_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_write_txn_markers_request_marker(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ guint64 producer_id;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_marker,
+ &subti, "Marker");
+
+ producer_id = tvb_get_ntoh64(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_tree_add_item(subtree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_tree_add_item(subtree, hf_kafka_transaction_result, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subsubti, "Topics");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_write_txn_markers_request_topic, NULL);
+
+ proto_tree_add_item(subsubtree, hf_kafka_coordinator_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_item_set_end(subsubti, tvb, offset);
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Producer=%" PRIu64 ")", producer_id);
+
+ return offset;
+}
+
+static int
+dissect_kafka_write_txn_markers_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ /* [topic] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_markers,
+ &subti, "Markers");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_write_txn_markers_request_marker, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_write_txn_markers_response_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ guint32 partition_id;
+ kafka_error_t partition_error_code;
+
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (partition_error_code == 0) {
+ proto_item_append_text(subti, " (ID=%u", partition_id);
+ } else {
+ proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code));
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_write_txn_markers_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_write_txn_markers_response_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_write_txn_markers_response_marker(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ guint64 producer_id;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_marker, &subti, "Marker");
+
+ producer_id = tvb_get_ntoh64(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Topics");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_write_txn_markers_response_topic, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Producer=%" PRIu64 ")", producer_id);
+
+ return offset;
+}
+
+static int
+dissect_kafka_write_txn_markers_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_markers,
+ &subti, "Markers");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_write_txn_markers_response_marker, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* TXN_OFFSET_COMMIT REQUEST/RESPONSE */
+
+static int
+dissect_kafka_txn_offset_commit_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ guint32 partition_id;
+ gint64 partition_offset;
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ partition_offset = tvb_get_ntohi64(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_offset, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ if (api_version >= 2) {
+ proto_tree_add_item(subtree, hf_kafka_leader_epoch, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ offset = dissect_kafka_string(subtree, hf_kafka_metadata, tvb, pinfo, offset, api_version >= 3, NULL, NULL);
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ proto_item_append_text(subti, " (ID=%u, Offset=%" PRIi64 ")", partition_id, partition_offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_txn_offset_commit_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 3, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 3, api_version,
+ &dissect_kafka_txn_offset_commit_request_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_txn_offset_commit_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_string(tree, hf_kafka_transactional_id, tvb, pinfo, offset, api_version >= 3, NULL, NULL);
+
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 3, NULL, NULL);
+
+ proto_tree_add_item(tree, hf_kafka_producer_id, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_tree_add_item(tree, hf_kafka_producer_epoch, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ if (api_version >= 3) {
+ proto_tree_add_item(tree, hf_kafka_generation_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ }
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_string(tree, hf_kafka_member_id, tvb, pinfo, offset, 1,NULL, NULL);
+ }
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group_instance, tvb, pinfo, offset, 1,NULL, NULL);
+ }
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 3, api_version,
+ &dissect_kafka_txn_offset_commit_request_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_txn_offset_commit_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ guint32 partition_id;
+ kafka_error_t partition_error_code;
+
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ partition_error_code = (kafka_error_t) tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_error, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (partition_error_code == 0) {
+ proto_item_append_text(subti, " (ID=%u)", partition_id);
+ } else {
+ proto_item_append_text(subti, " (ID=%u, Error=%s)", partition_id, kafka_error_to_str(partition_error_code));
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_txn_offset_commit_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ int topic_start, topic_len;
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 3, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 3, api_version,
+ &dissect_kafka_txn_offset_commit_response_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Topic=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_txn_offset_commit_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ /* [topic_error_code] */
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 3, api_version,
+ &dissect_kafka_txn_offset_commit_response_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 3) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* DESCRIBE_ACLS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_describe_acls_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+
+ offset = dissect_kafka_int8(tree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_string(tree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_int8(tree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL);
+ }
+
+ offset = dissect_kafka_string(tree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_string(tree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_int8(tree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int8(tree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_acls_response_resource_acl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl, &subti, "ACL");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_acls_response_resource(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource");
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL);
+ }
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_acls, &subsubti, "ACLs");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_describe_acls_response_resource_acl, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_describe_acls_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_resources,
+ &subti, "Resources");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_describe_acls_response_resource, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* CREATE_ACLS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_create_acls_request_creation(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_creation, &subti, "Creation");
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL);
+ }
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_acls_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_acl_creations,
+ &subti, "Creations");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2 , api_version,
+ &dissect_kafka_create_acls_request_creation, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_acls_response_creation(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_creation, &subti, "Creation");
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_acls_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_acl_creations,
+ &subti, "Creations");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_create_acls_response_creation, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* DELETE_ACLS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_delete_acls_request_filter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_filter, &subti, "Filter");
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL);
+ }
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_acls_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_acl_filter,
+ &subti, "Filters");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_delete_acls_request_filter, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_acls_response_match(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_filter_match, &subti, "Match");
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_type, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_resource_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_resource_pattern_type, tvb, pinfo, offset, NULL);
+ }
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_principal, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_acl_host, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_operation, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_int8(subtree, hf_kafka_acl_permission_type, tvb, pinfo, offset, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_acls_response_filter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_acl_creation, &subti, "Filter");
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_acl_filter_matches,
+ &subsubti, "Matches");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_delete_acls_response_match, NULL);
+
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_acls_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_acl_creations,
+ &subti, "Filters");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 0, api_version,
+ &dissect_kafka_delete_acls_response_filter, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* DESCRIBE_CONFIGS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_describe_config_request_entry(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ offset = dissect_kafka_string(tree, hf_kafka_config_key, tvb, pinfo, offset, 0, NULL, NULL);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_config_request_resource(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource");
+
+ proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entries, &subsubti, "Entries");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_config_request_entry, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_configs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_resources,
+ &subti, "Resources");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_config_request_resource, NULL);
+
+ if (api_version >= 1) {
+ proto_tree_add_item(subtree, hf_kafka_config_include_synonyms, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_configs_response_synonym(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int key_start, key_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_synonym, &subti, "Synonym");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, 0, &key_start, &key_len);
+ offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_tree_add_item(subtree, hf_kafka_config_source, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Key=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ key_start, key_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_configs_response_entry(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int key_start, key_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entry, &subti, "Entry");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, 0, &key_start, &key_len);
+ offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_tree_add_item(subtree, hf_kafka_config_readonly, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ if (api_version == 0) {
+ proto_tree_add_item(subtree, hf_kafka_config_default, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ } else {
+ proto_tree_add_item(subtree, hf_kafka_config_source, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ }
+
+ proto_tree_add_item(subtree, hf_kafka_config_sensitive, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ if (api_version >= 1) {
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_config_synonyms,
+ &subsubti, "Synonyms");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_configs_response_synonym, NULL);
+
+ proto_item_set_end(subsubti, tvb, offset);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Key=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ key_start, key_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_configs_response_resource(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource");
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_config_entries,
+ &subsubti, "Entries");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_configs_response_entry, NULL);
+
+ proto_item_set_end(subsubti, tvb, offset);
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_configs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_resources,
+ &subti, "Resources");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_configs_response_resource, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* ALTER_CONFIGS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_alter_config_request_entry(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entry, &subti, "Entry");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, 0, NULL, NULL);
+ offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_config_request_resource(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource");
+
+ proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entries, &subsubti, "Entries");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_config_request_entry, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_configs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_resources,
+ &subti, "Resources");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_config_request_resource, NULL);
+
+ proto_tree_add_item(subtree, hf_kafka_validate_only, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_configs_response_resource(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource");
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_configs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_resources,
+ &subti, "Resources");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_configs_response_resource, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* ALTER_REPLICA_LOG_DIRS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_alter_replica_log_dirs_request_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_replica_log_dirs_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subsubti, "Partitions");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_replica_log_dirs_request_partition, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_replica_log_dirs_request_log_dir(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_log_dir, &subti, "Log Directory");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_log_dir, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topics, &subsubti, "Topics");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_replica_log_dirs_request_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_replica_log_dirs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_log_dirs,
+ &subti, "Log Directories");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_replica_log_dirs_request_log_dir, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_replica_log_dirs_response_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int partition_id;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ proto_item_append_text(subti, " (ID=%u)", partition_id);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_replica_log_dirs_response_topic(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_log_dir, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partition");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_replica_log_dirs_response_partition, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_replica_log_dirs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_replica_log_dirs_response_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* DESCRIBE_LOG_DIRS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_describe_log_dirs_request_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_log_dirs_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_log_dirs_request_partition, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_log_dirs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_log_dirs_request_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_log_dirs_response_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ int partition_id;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ partition_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(subtree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_tree_add_item(subtree, hf_kafka_segment_size, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_tree_add_item(subtree, hf_kafka_offset_lag, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+
+ proto_tree_add_item(subtree, hf_kafka_future, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (ID=%u)", partition_id);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_log_dirs_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, &topic_start, &topic_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_log_dirs_response_partition, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_log_dirs_response_log_dir(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int dir_start, dir_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_log_dir, &subti, "Log Directory");
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_log_dir, tvb, pinfo, offset, 0, &dir_start, &dir_len);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_topics, &subsubti, "Topics");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_log_dirs_response_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Dir=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ dir_start, dir_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_log_dirs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_log_dirs,
+ &subti, "Log Directories");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_describe_log_dirs_response_log_dir, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* CREATE_PARTITIONS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_create_partitions_request_broker(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_broker_nodeid, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_partitions_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, &topic_start, &topic_len);
+
+ proto_tree_add_item(subtree, hf_kafka_partition_count, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_brokers, &subsubti, "Brokers");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_create_partitions_request_broker, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_partitions_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_create_partitions_request_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ proto_tree_add_item(tree, hf_kafka_validate_only, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_partitions_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ int topic_start, topic_len;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, &topic_start, &topic_len);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+ proto_item_append_text(subti, " (Name=%s)",
+ tvb_get_string_enc(pinfo->pool, tvb,
+ topic_start, topic_len, ENC_UTF_8));
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_partitions_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_create_partitions_response_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* SASL_AUTHENTICATE REQUEST/RESPONSE */
+
+static int
+dissect_kafka_sasl_authenticate_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ offset = dissect_kafka_bytes(tree, hf_kafka_sasl_auth_bytes, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+
+static int
+dissect_kafka_sasl_authenticate_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_bytes(tree, hf_kafka_sasl_auth_bytes, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_int64(tree, hf_kafka_session_lifetime_ms, tvb, pinfo, offset, NULL);
+ }
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* CREATE_DELEGATION_TOKEN REQUEST/RESPONSE */
+
+static int
+dissect_kafka_create_delegation_token_request_renewer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_renewer, &subti, "Renewer");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_delegation_token_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_renewers,
+ &subti, "Renewers");
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_create_delegation_token_request_renewer, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ offset = dissect_kafka_int64(tree, hf_kafka_token_max_life_time, tvb, pinfo, offset, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_create_delegation_token_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_string(tree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_string(tree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_timestamp(tree, hf_kafka_token_issue_timestamp, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_timestamp(tree, hf_kafka_token_expiry_timestamp, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_timestamp(tree, hf_kafka_token_max_timestamp, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_string(tree, hf_kafka_token_id, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_bytes(tree, hf_kafka_token_hmac, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* RENEW_DELEGATION_TOKEN REQUEST/RESPONSE */
+
+static int
+dissect_kafka_renew_delegation_token_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ offset = dissect_kafka_bytes(tree, hf_kafka_token_hmac, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_int64(tree, hf_kafka_token_renew_time, tvb, pinfo, offset, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_renew_delegation_token_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_timestamp(tree, hf_kafka_token_expiry_timestamp, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* EXPIRE_DELEGATION_TOKEN REQUEST/RESPONSE */
+
+static int
+dissect_kafka_expire_delegation_token_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ offset = dissect_kafka_bytes(tree, hf_kafka_token_hmac, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_int64(tree, hf_kafka_token_expiry_time, tvb, pinfo, offset, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_expire_delegation_token_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_timestamp(tree, hf_kafka_token_expiry_timestamp, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* DESCRIBE_DELEGATION_TOKEN REQUEST/RESPONSE */
+
+static int
+dissect_kafka_describe_delegation_token_request_owner(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_owner, &subti, "Owner");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_delegation_token_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_owners,
+ &subti, "Owners");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_describe_delegation_token_request_owner, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_delegation_token_response_renewer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_renewer, &subti, "Renewer");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+ offset = dissect_kafka_string(subtree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_delegation_token_response_token(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_token, &subti, "Token");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_token_principal_type, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+ offset = dissect_kafka_string(subtree, hf_kafka_token_principal_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_timestamp(subtree, hf_kafka_token_issue_timestamp, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_timestamp(subtree, hf_kafka_token_expiry_timestamp, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_timestamp(subtree, hf_kafka_token_max_timestamp, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_token_id, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+ offset = dissect_kafka_bytes(subtree, hf_kafka_token_hmac, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_renewers,
+ &subsubti, "Renewers");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_describe_delegation_token_response_renewer, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_describe_delegation_token_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_tokens,
+ &subti, "Tokens");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_describe_delegation_token_response_token, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* DELETE_GROUPS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_delete_groups_request_group(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+ return offset;
+}
+
+static int
+dissect_kafka_delete_groups_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_groups,
+ &subti, "Groups");
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_delete_groups_request_group, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_groups_response_group(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_group, &subti, "Group");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_consumer_group, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_delete_groups_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_groups,
+ &subti, "Groups");
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_delete_groups_response_group, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* ELECT_LEADERS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_elect_leaders_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ return dissect_kafka_int32(tree, hf_kafka_partition_id, tvb, pinfo, offset, NULL);
+}
+
+static int
+dissect_kafka_elect_leaders_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Topic");
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_partitions,
+ &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_elect_leaders_request_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_elect_leaders_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_int8(tree, hf_kafka_election_type, tvb, pinfo, offset, NULL);
+ }
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_elect_leaders_request_topic, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ offset = dissect_kafka_int32(tree, hf_kafka_timeout, tvb, pinfo, offset, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+
+}
+
+static int
+dissect_kafka_elect_leaders_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_partition,
+ &subti, "Partition");
+
+ offset = dissect_kafka_int32(subtree, hf_kafka_partition_id, tvb, pinfo, offset, NULL);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_elect_leaders_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, api_version >= 2, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_partitions,
+ &subsubti, "Partitions");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_elect_leaders_response_partition, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_elect_leaders_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+ }
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 2, api_version,
+ &dissect_kafka_elect_leaders_response_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 2) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* INCREMENTAL_ALTER_CONFIGS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_inc_alter_config_request_entry(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_config_entry, &subti, "Entry");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_key, tvb, pinfo, offset, api_version >= 1, NULL, NULL);
+
+ proto_tree_add_item(subtree, hf_kafka_config_operation, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_value, tvb, pinfo, offset, api_version >= 1, NULL, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_inc_alter_config_request_resource(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource");
+
+ proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, api_version >= 1, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1, ett_kafka_config_entries, &subsubti, "Entries");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, api_version >= 1, api_version,
+ &dissect_kafka_inc_alter_config_request_entry, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_inc_alter_configs_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_resources,
+ &subti, "Resources");
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 1, api_version,
+ &dissect_kafka_inc_alter_config_request_resource, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ proto_tree_add_item(tree, hf_kafka_validate_only, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+static int
+dissect_kafka_inc_alter_configs_response_resource(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_resource, &subti, "Resource");
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, api_version >= 1, NULL, NULL);
+
+ proto_tree_add_item(subtree, hf_kafka_config_resource_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ offset = dissect_kafka_string(subtree, hf_kafka_config_resource_name, tvb, pinfo, offset, api_version >= 1, NULL, NULL);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, subtree, offset, 0);
+ }
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_inc_alter_configs_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_resources,
+ &subti, "Resources");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, api_version >= 1, api_version,
+ &dissect_kafka_inc_alter_configs_response_resource, NULL);
+ proto_item_set_end(subti, tvb, offset);
+
+ if (api_version >= 1) {
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, tree, offset, 0);
+ }
+
+ return offset;
+}
+
+/* ALTER_PARTITION_REASSIGNMENTS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_alter_partition_reassignments_request_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ return offset;
+}
+
+static int
+dissect_kafka_alter_partition_reassignments_request_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Replicas");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_partition_reassignments_request_replica, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_partition_reassignments_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_partition_reassignments_request_partition, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_partition_reassignments_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_partition_reassignments_request_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_partition_reassignments_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_partition_reassignments_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_partition_reassignments_response_partition, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_alter_partition_reassignments_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_alter_partition_reassignments_response_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* LIST_PARTITION_REASSIGNMENTS REQUEST/RESPONSE */
+
+static int
+dissect_kafka_list_partition_reassignments_request_partition(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_partition_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_list_partition_reassignments_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_list_partition_reassignments_request_partition, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_list_partition_reassignments_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ proto_tree_add_item(tree, hf_kafka_timeout, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_list_partition_reassignments_request_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_list_partition_reassignments_response_replica(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ int offset, kafka_api_version_t api_version _U_)
+{
+ proto_tree_add_item(tree, hf_kafka_replica, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ return offset;
+}
+
+static int
+dissect_kafka_list_partition_reassignments_response_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+ kafka_partition_t partition;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partition, &subti, "Partition");
+
+ offset = dissect_kafka_partition_id_ret(tvb, pinfo, subtree, offset, &partition);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ offset = dissect_kafka_string(subtree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_replicas,
+ &subsubti, "Current Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_list_partition_reassignments_response_replica, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_replicas,
+ &subsubti, "Adding Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_list_partition_reassignments_response_replica, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_replicas,
+ &subsubti, "Removing Replicas");
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_list_partition_reassignments_response_replica, NULL);
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_list_partition_reassignments_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int offset, kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_topic, &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_kafka_partitions, &subsubti, "Partitions");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_list_partition_reassignments_response_partition, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_list_partition_reassignments_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_string(tree, hf_kafka_error_message, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_list_partition_reassignments_response_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* OFFSET_DELETE REQUEST/RESPONSE */
+
+static int
+dissect_kafka_offset_delete_request_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_partitions,
+ &subsubti, "Partitions");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_partition_id, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ proto_item_set_end(subsubti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_delete_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_string(tree, hf_kafka_consumer_group, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_offset_delete_request_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_delete_response_topic_partition(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_partition,
+ &subti, "Partition");
+
+ offset = dissect_kafka_partition_id(tvb, pinfo, subtree, offset, api_version);
+
+ offset = dissect_kafka_error(tvb, pinfo, subtree, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_delete_response_topic(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti, *subsubti;
+ proto_tree *subtree, *subsubtree;
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topic,
+ &subti, "Topic");
+
+ offset = dissect_kafka_string(subtree, hf_kafka_topic_name, tvb, pinfo, offset, 0, NULL, NULL);
+
+ subsubtree = proto_tree_add_subtree(subtree, tvb, offset, -1,
+ ett_kafka_partitions,
+ &subsubti, "Partitions");
+
+ offset = dissect_kafka_array(subsubtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_offset_delete_response_topic_partition, NULL);
+
+ proto_item_set_end(subsubti, tvb, offset);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+static int
+dissect_kafka_offset_delete_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset,
+ kafka_api_version_t api_version)
+{
+ proto_item *subti;
+ proto_tree *subtree;
+
+ offset = dissect_kafka_error(tvb, pinfo, tree, offset);
+
+ offset = dissect_kafka_throttle_time(tvb, pinfo, tree, offset);
+
+ subtree = proto_tree_add_subtree(tree, tvb, offset, -1,
+ ett_kafka_topics,
+ &subti, "Topics");
+
+ offset = dissect_kafka_array(subtree, tvb, pinfo, offset, 0, api_version,
+ &dissect_kafka_offset_delete_response_topic, NULL);
+
+ proto_item_set_end(subti, tvb, offset);
+
+ return offset;
+}
+
+/* MAIN */
+
+static wmem_multimap_t *
+dissect_kafka_get_match_map(packet_info *pinfo)
+{
+ conversation_t *conversation;
+ wmem_multimap_t *match_map;
+ conversation = find_or_create_conversation(pinfo);
+ match_map = (wmem_multimap_t *) conversation_get_proto_data(conversation, proto_kafka);
+ if (match_map == NULL) {
+ match_map = wmem_multimap_new(wmem_file_scope(), g_direct_hash, g_direct_equal);
+ conversation_add_proto_data(conversation, proto_kafka, match_map);
+
+ }
+ return match_map;
+}
+
+static gboolean
+dissect_kafka_insert_match(packet_info *pinfo, guint32 correlation_id, kafka_query_response_t *match)
+{
+ if (wmem_multimap_lookup32(dissect_kafka_get_match_map(pinfo), GUINT_TO_POINTER(correlation_id), pinfo->num)) {
+ return 0;
+ }
+ wmem_multimap_insert32(dissect_kafka_get_match_map(pinfo), GUINT_TO_POINTER(correlation_id), pinfo->num, match);
+ return 1;
+}
+
+static kafka_query_response_t *
+dissect_kafka_lookup_match(packet_info *pinfo, guint32 correlation_id)
+{
+ kafka_query_response_t *match = (kafka_query_response_t*)wmem_multimap_lookup32_le(dissect_kafka_get_match_map(pinfo), GUINT_TO_POINTER(correlation_id), pinfo->num);
+ return match;
+}
+
+
+static int
+dissect_kafka(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+ proto_item *root_ti, *ti;
+ proto_tree *kafka_tree;
+ int offset = 0;
+ guint32 pdu_length;
+ guint32 pdu_correlation_id;
+ kafka_query_response_t *matcher;
+ gboolean has_response = 1;
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "Kafka");
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ root_ti = proto_tree_add_item(tree, proto_kafka, tvb, 0, -1, ENC_NA);
+
+ kafka_tree = proto_item_add_subtree(root_ti, ett_kafka);
+
+ pdu_length = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(kafka_tree, hf_kafka_len, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (pinfo->destport == pinfo->match_uint) {
+
+ /* Request (as directed towards server port) */
+
+ /* in the request PDU the correlation id comes after api_key and api_version */
+ pdu_correlation_id = tvb_get_ntohl(tvb, offset+4);
+
+ matcher = wmem_new(wmem_file_scope(), kafka_query_response_t);
+
+ matcher->api_key = tvb_get_ntohs(tvb, offset);
+ matcher->api_version = tvb_get_ntohs(tvb, offset+2);
+ matcher->correlation_id = pdu_correlation_id;
+ matcher->request_frame = pinfo->num;
+ matcher->response_found = FALSE;
+ matcher->flexible_api = kafka_is_api_version_flexible(matcher->api_key, matcher->api_version);
+
+ col_add_fstr(pinfo->cinfo, COL_INFO, "Kafka %s v%d Request",
+ kafka_api_key_to_str(matcher->api_key),
+ matcher->api_version);
+
+ /* Also add to protocol root */
+ proto_item_append_text(root_ti, " (%s v%d Request)",
+ kafka_api_key_to_str(matcher->api_key),
+ matcher->api_version);
+
+ /* for the header implementation check RequestHeaderData class */
+
+ ti = proto_tree_add_item(kafka_tree, hf_kafka_request_api_key, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_item_set_hidden(ti);
+
+ ti = proto_tree_add_item(kafka_tree, hf_kafka_api_key, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ kafka_check_supported_api_key(pinfo, ti, matcher);
+
+ ti = proto_tree_add_item(kafka_tree, hf_kafka_request_api_version, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_item_set_hidden(ti);
+
+ ti = proto_tree_add_item(kafka_tree, hf_kafka_api_version, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ kafka_check_supported_api_version(pinfo, ti, matcher);
+
+ proto_tree_add_item(kafka_tree, hf_kafka_correlation_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ if (matcher->api_key == KAFKA_CONTROLLED_SHUTDOWN && matcher->api_version == 0) {
+ /*
+ * Special case for ControlledShutdownRequest.
+ * https://github.com/apache/kafka/blob/2.5.0/generator/src/main/java/org/apache/kafka/message/ApiMessageTypeGenerator.java#L268-L277
+ * The code is materialized in ApiMessageTypes class.
+ */
+ } else {
+ /* even if flexible API is used, clientId is still using gint16 string length prefix */
+ offset = dissect_kafka_string(kafka_tree, hf_kafka_client_id, tvb, pinfo, offset, 0, NULL, NULL);
+ }
+
+ if (matcher->flexible_api) {
+ /* version 2 request header (flexible API) contains list of tagged fields, last param is ignored */
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, kafka_tree, offset, 0);
+ }
+
+ switch (matcher->api_key) {
+ case KAFKA_PRODUCE:
+ /* The kafka server always responds, except in the case of a produce
+ * request whose RequiredAcks field is 0. This field is at a dynamic
+ * offset into the request, so to avoid too much prefetch logic we
+ * simply don't queue produce requests here. If it is a produce
+ * request with a non-zero RequiredAcks field it gets queued later.
+ */
+ if (tvb_get_ntohs(tvb, offset) == KAFKA_ACK_NOT_REQUIRED) {
+ has_response = 0;
+ }
+ offset = dissect_kafka_produce_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_FETCH:
+ offset = dissect_kafka_fetch_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSETS:
+ offset = dissect_kafka_offsets_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_METADATA:
+ offset = dissect_kafka_metadata_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_LEADER_AND_ISR:
+ offset = dissect_kafka_leader_and_isr_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_STOP_REPLICA:
+ offset = dissect_kafka_stop_replica_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_UPDATE_METADATA:
+ offset = dissect_kafka_update_metadata_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CONTROLLED_SHUTDOWN:
+ offset = dissect_kafka_controlled_shutdown_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSET_COMMIT:
+ offset = dissect_kafka_offset_commit_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSET_FETCH:
+ offset = dissect_kafka_offset_fetch_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_FIND_COORDINATOR:
+ offset = dissect_kafka_find_coordinator_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_JOIN_GROUP:
+ offset = dissect_kafka_join_group_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_HEARTBEAT:
+ offset = dissect_kafka_heartbeat_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_LEAVE_GROUP:
+ offset = dissect_kafka_leave_group_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_SYNC_GROUP:
+ offset = dissect_kafka_sync_group_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_GROUPS:
+ offset = dissect_kafka_describe_groups_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_LIST_GROUPS:
+ offset = dissect_kafka_list_groups_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_SASL_HANDSHAKE:
+ offset = dissect_kafka_sasl_handshake_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_API_VERSIONS:
+ offset = dissect_kafka_api_versions_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CREATE_TOPICS:
+ offset = dissect_kafka_create_topics_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DELETE_TOPICS:
+ offset = dissect_kafka_delete_topics_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DELETE_RECORDS:
+ offset = dissect_kafka_delete_records_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_INIT_PRODUCER_ID:
+ offset = dissect_kafka_init_producer_id_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSET_FOR_LEADER_EPOCH:
+ offset = dissect_kafka_offset_for_leader_epoch_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ADD_PARTITIONS_TO_TXN:
+ offset = dissect_kafka_add_partitions_to_txn_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ADD_OFFSETS_TO_TXN:
+ offset = dissect_kafka_add_offsets_to_txn_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_END_TXN:
+ offset = dissect_kafka_end_txn_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_WRITE_TXN_MARKERS:
+ offset = dissect_kafka_write_txn_markers_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_TXN_OFFSET_COMMIT:
+ offset = dissect_kafka_txn_offset_commit_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_ACLS:
+ offset = dissect_kafka_describe_acls_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CREATE_ACLS:
+ offset = dissect_kafka_create_acls_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DELETE_ACLS:
+ offset = dissect_kafka_delete_acls_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_CONFIGS:
+ offset = dissect_kafka_describe_configs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ALTER_CONFIGS:
+ offset = dissect_kafka_alter_configs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ALTER_REPLICA_LOG_DIRS:
+ offset = dissect_kafka_alter_replica_log_dirs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_LOG_DIRS:
+ offset = dissect_kafka_describe_log_dirs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CREATE_PARTITIONS:
+ offset = dissect_kafka_create_partitions_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_SASL_AUTHENTICATE:
+ offset = dissect_kafka_sasl_authenticate_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CREATE_DELEGATION_TOKEN:
+ offset = dissect_kafka_create_delegation_token_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_RENEW_DELEGATION_TOKEN:
+ offset = dissect_kafka_renew_delegation_token_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_EXPIRE_DELEGATION_TOKEN:
+ offset = dissect_kafka_expire_delegation_token_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_DELEGATION_TOKEN:
+ offset = dissect_kafka_describe_delegation_token_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DELETE_GROUPS:
+ offset = dissect_kafka_delete_groups_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ELECT_LEADERS:
+ offset = dissect_kafka_elect_leaders_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_INC_ALTER_CONFIGS:
+ offset = dissect_kafka_inc_alter_configs_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ALTER_PARTITION_REASSIGNMENTS:
+ offset = dissect_kafka_alter_partition_reassignments_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_LIST_PARTITION_REASSIGNMENTS:
+ offset = dissect_kafka_list_partition_reassignments_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSET_DELETE:
+ offset = dissect_kafka_offset_delete_request(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ }
+
+ if (!(has_response && dissect_kafka_insert_match(pinfo, pdu_correlation_id, matcher))) {
+ wmem_free(wmem_file_scope(), matcher);
+ }
+
+ }
+ else {
+ /* Response */
+
+ /* in the response PDU the correlation id comes directly after frame length */
+ pdu_correlation_id = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_item(kafka_tree, hf_kafka_correlation_id, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ matcher = dissect_kafka_lookup_match(pinfo, pdu_correlation_id);
+
+ if (matcher == NULL) {
+ col_set_str(pinfo->cinfo, COL_INFO, "Kafka Response (Undecoded, Request Missing)");
+ expert_add_info(pinfo, root_ti, &ei_kafka_request_missing);
+ return tvb_captured_length(tvb);
+ }
+
+ col_add_fstr(pinfo->cinfo, COL_INFO, "Kafka %s v%d Response",
+ kafka_api_key_to_str(matcher->api_key),
+ matcher->api_version);
+ /* Also add to protocol root */
+ proto_item_append_text(root_ti, " (%s v%d Response)",
+ kafka_api_key_to_str(matcher->api_key),
+ matcher->api_version);
+
+
+ /* Show request frame */
+ ti = proto_tree_add_uint(kafka_tree, hf_kafka_request_frame, tvb,
+ 0, 0, matcher->request_frame);
+ proto_item_set_generated(ti);
+
+ /* Show api key (message type) */
+ ti = proto_tree_add_int(kafka_tree, hf_kafka_response_api_key, tvb,
+ 0, 0, matcher->api_key);
+ proto_item_set_generated(ti);
+ proto_item_set_hidden(ti);
+ ti = proto_tree_add_int(kafka_tree, hf_kafka_api_key, tvb,
+ 0, 0, matcher->api_key);
+ proto_item_set_generated(ti);
+ kafka_check_supported_api_key(pinfo, ti, matcher);
+
+ /* Also show api version from request */
+ ti = proto_tree_add_int(kafka_tree, hf_kafka_response_api_version, tvb,
+ 0, 0, matcher->api_version);
+ proto_item_set_generated(ti);
+ kafka_check_supported_api_version(pinfo, ti, matcher);
+
+ if (matcher->api_key == KAFKA_API_VERSIONS) {
+ /*
+ * Special case for ApiVersions.
+ * https://cwiki.apache.org/confluence/display/KAFKA/KIP-511%3A+Collect+and+Expose+Client%27s+Name+and+Version+in+the+Brokers
+ * https://github.com/apache/kafka/blob/2.5.0/generator/src/main/java/org/apache/kafka/message/ApiMessageTypeGenerator.java#L261-L267
+ * The code is materialized in ApiMessageTypes class.
+ */
+ } else if (matcher->flexible_api) {
+ /* version 1 response header (flexible API) contains list of tagged fields, last param is ignored */
+ offset = dissect_kafka_tagged_fields(tvb, pinfo, kafka_tree, offset, 0);
+ }
+
+ switch (matcher->api_key) {
+ case KAFKA_PRODUCE:
+ offset = dissect_kafka_produce_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_FETCH:
+ offset = dissect_kafka_fetch_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSETS:
+ offset = dissect_kafka_offsets_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_METADATA:
+ offset = dissect_kafka_metadata_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_LEADER_AND_ISR:
+ offset = dissect_kafka_leader_and_isr_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_STOP_REPLICA:
+ offset = dissect_kafka_stop_replica_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_UPDATE_METADATA:
+ offset = dissect_kafka_update_metadata_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CONTROLLED_SHUTDOWN:
+ offset = dissect_kafka_controlled_shutdown_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSET_COMMIT:
+ offset = dissect_kafka_offset_commit_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSET_FETCH:
+ offset = dissect_kafka_offset_fetch_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_FIND_COORDINATOR:
+ offset = dissect_kafka_find_coordinator_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_JOIN_GROUP:
+ offset = dissect_kafka_join_group_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_HEARTBEAT:
+ offset = dissect_kafka_heartbeat_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_LEAVE_GROUP:
+ offset = dissect_kafka_leave_group_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_SYNC_GROUP:
+ offset = dissect_kafka_sync_group_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_GROUPS:
+ offset = dissect_kafka_describe_groups_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_LIST_GROUPS:
+ offset = dissect_kafka_list_groups_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_SASL_HANDSHAKE:
+ offset = dissect_kafka_sasl_handshake_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_API_VERSIONS:
+ offset = dissect_kafka_api_versions_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CREATE_TOPICS:
+ offset = dissect_kafka_create_topics_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DELETE_TOPICS:
+ offset = dissect_kafka_delete_topics_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DELETE_RECORDS:
+ offset = dissect_kafka_delete_records_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_INIT_PRODUCER_ID:
+ offset = dissect_kafka_init_producer_id_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSET_FOR_LEADER_EPOCH:
+ offset = dissect_kafka_offset_for_leader_epoch_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ADD_PARTITIONS_TO_TXN:
+ offset = dissect_kafka_add_partitions_to_txn_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ADD_OFFSETS_TO_TXN:
+ offset = dissect_kafka_add_offsets_to_txn_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_END_TXN:
+ offset = dissect_kafka_end_txn_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_WRITE_TXN_MARKERS:
+ offset = dissect_kafka_write_txn_markers_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_TXN_OFFSET_COMMIT:
+ offset = dissect_kafka_txn_offset_commit_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_ACLS:
+ offset = dissect_kafka_describe_acls_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CREATE_ACLS:
+ offset = dissect_kafka_create_acls_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DELETE_ACLS:
+ offset = dissect_kafka_delete_acls_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_CONFIGS:
+ offset = dissect_kafka_describe_configs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ALTER_CONFIGS:
+ offset = dissect_kafka_alter_configs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ALTER_REPLICA_LOG_DIRS:
+ offset = dissect_kafka_alter_replica_log_dirs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_LOG_DIRS:
+ offset = dissect_kafka_describe_log_dirs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CREATE_PARTITIONS:
+ offset = dissect_kafka_create_partitions_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_SASL_AUTHENTICATE:
+ offset = dissect_kafka_sasl_authenticate_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_CREATE_DELEGATION_TOKEN:
+ offset = dissect_kafka_create_delegation_token_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_RENEW_DELEGATION_TOKEN:
+ offset = dissect_kafka_renew_delegation_token_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_EXPIRE_DELEGATION_TOKEN:
+ offset = dissect_kafka_expire_delegation_token_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DESCRIBE_DELEGATION_TOKEN:
+ offset = dissect_kafka_describe_delegation_token_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_DELETE_GROUPS:
+ offset = dissect_kafka_delete_groups_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ELECT_LEADERS:
+ offset = dissect_kafka_elect_leaders_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_INC_ALTER_CONFIGS:
+ offset = dissect_kafka_inc_alter_configs_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_ALTER_PARTITION_REASSIGNMENTS:
+ offset = dissect_kafka_alter_partition_reassignments_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_LIST_PARTITION_REASSIGNMENTS:
+ offset = dissect_kafka_list_partition_reassignments_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ case KAFKA_OFFSET_DELETE:
+ offset = dissect_kafka_offset_delete_response(tvb, pinfo, kafka_tree, offset, matcher->api_version);
+ break;
+ }
+
+ }
+
+ if (offset != (int)pdu_length + 4) {
+ expert_add_info(pinfo, root_ti, &ei_kafka_pdu_length_mismatch);
+ }
+
+ return offset;
+}
+
+/*
+ * Compute the length of a Kafka protocol frame (PDU) from the minimal fragment.
+ * The datastream in TCP (and TLS) is and abstraction of continuous stream of octets.
+ * On the network level these are transported in chunks (packets). On the application
+ * protocol level we do also deal with discrete chunks (PDUs). Ideally these should
+ * match. In the real life the boundaries are different. In Kafka case a PDU may span
+ * multiple network packets. A PDU starts with 32 bit unsigned integer that specifies
+ * remaining protocol frame length. Fortunatelly protocol implementations execute
+ * flush between subsequent PDUs, therefore we should not expect PDU starting in the middle
+ * of TCP data packet or TLS data frame.
+ */
+static guint
+get_kafka_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
+{
+ return 4 + tvb_get_ntohl(tvb, offset);
+}
+
+/*
+ * Attempt to dissect Kafka protocol frames.
+ */
+static int
+dissect_kafka_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ tcp_dissect_pdus(tvb, pinfo, tree, TRUE, 4,
+ get_kafka_pdu_len, dissect_kafka, data);
+ return tvb_captured_length(tvb);
+}
+
+static void
+compute_kafka_api_names(void)
+{
+ guint i;
+ guint len = array_length(kafka_apis);
+
+ for (i = 0; i < len; ++i) {
+ kafka_api_names[i].value = kafka_apis[i].api_key;
+ kafka_api_names[i].strptr = kafka_apis[i].name;
+ }
+
+ kafka_api_names[len].value = 0;
+ kafka_api_names[len].strptr = NULL;
+}
+
+static void
+proto_register_kafka_protocol_fields(int protocol)
+{
+ static hf_register_info hf[] = {
+ { &hf_kafka_len,
+ { "Length", "kafka.len",
+ FT_INT32, BASE_DEC, 0, 0,
+ "The length of this Kafka packet.", HFILL }
+ },
+ { &hf_kafka_offset,
+ { "Offset", "kafka.offset",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_offset_time,
+ { "Time", "kafka.offset_time",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_log_start_offset,
+ { "Log Start Offset", "kafka.log_start_offset",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_last_stable_offset,
+ { "Last Stable Offset", "kafka.last_stable_offset",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_first_offset,
+ { "First Offset", "kafka.first_offset",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_max_offsets,
+ { "Max Offsets", "kafka.max_offsets",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_metadata,
+ { "Metadata", "kafka.metadata",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_error,
+ { "Error", "kafka.error",
+ FT_INT16, BASE_DEC, VALS(kafka_errors), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_error_message,
+ { "Error Message", "kafka.error_message",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_api_key,
+ { "API Key", "kafka.api_key",
+ FT_INT16, BASE_DEC, VALS(kafka_api_names), 0,
+ "Request API Key.", HFILL }
+ },
+ { &hf_kafka_api_version,
+ { "API Version", "kafka.api_version",
+ FT_INT16, BASE_DEC, 0, 0,
+ "Request API Version.", HFILL }
+ },
+ // these should be deprecated
+ // --- begin ---
+ { &hf_kafka_request_api_key,
+ { "API Key", "kafka.request_key",
+ FT_INT16, BASE_DEC, VALS(kafka_api_names), 0,
+ "Request API.", HFILL }
+ },
+ { &hf_kafka_response_api_key,
+ { "API Key", "kafka.response_key",
+ FT_INT16, BASE_DEC, VALS(kafka_api_names), 0,
+ "Response API.", HFILL }
+ },
+ { &hf_kafka_request_api_version,
+ { "API Version", "kafka.request.version",
+ FT_INT16, BASE_DEC, 0, 0,
+ "Request API Version.", HFILL }
+ },
+ { &hf_kafka_response_api_version,
+ { "API Version", "kafka.response.version",
+ FT_INT16, BASE_DEC, 0, 0,
+ "Response API Version.", HFILL }
+ },
+ // --- end ---
+ { &hf_kafka_correlation_id,
+ { "Correlation ID", "kafka.correlation_id",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_client_id,
+ { "Client ID", "kafka.client_id",
+ FT_STRING, BASE_NONE, 0, 0,
+ "The ID of the sending client.", HFILL }
+ },
+ { &hf_kafka_client_host,
+ { "Client Host", "kafka.client_host",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_transactional_id,
+ { "Transactional ID", "kafka.transactional_id",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_transaction_result,
+ { "Transaction Result", "kafka.transaction_result",
+ FT_INT8, BASE_DEC, VALS(kafka_transaction_results), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_transaction_timeout,
+ { "Transaction Timeout", "kafka.transaction_timeout",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_required_acks,
+ { "Required Acks", "kafka.required_acks",
+ FT_INT16, BASE_DEC, VALS(kafka_acks), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_timeout,
+ { "Timeout", "kafka.timeout",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_topic_name,
+ { "Topic Name", "kafka.topic_name",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_producer_id,
+ { "Producer ID", "kafka.producer_id",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_producer_epoch,
+ { "Producer Epoch", "kafka.producer_epoch",
+ FT_INT16, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_partition_id,
+ { "Partition ID", "kafka.partition_id",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_replica,
+ { "Replica ID", "kafka.replica_id",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_replication_factor,
+ { "Replication Factor", "kafka.replication_factor",
+ FT_INT16, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_isr,
+ { "Caught-Up Replica ID", "kafka.isr_id",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_offline,
+ { "Offline Replica ID", "kafka.offline_id",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_message_size,
+ { "Message Size", "kafka.message_size",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_message_crc,
+ { "CRC32", "kafka.message_crc",
+ FT_UINT32, BASE_HEX, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_message_magic,
+ { "Magic Byte", "kafka.message_magic",
+ FT_INT8, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_message_codec,
+ { "Compression Codec", "kafka.message_codec",
+ FT_UINT8, BASE_DEC, VALS(kafka_message_codecs), KAFKA_MESSAGE_CODEC_MASK,
+ NULL, HFILL }
+ },
+ { &hf_kafka_message_timestamp_type,
+ { "Timestamp Type", "kafka.message_timestamp_type",
+ FT_UINT8, BASE_DEC, VALS(kafka_message_timestamp_types), KAFKA_MESSAGE_TIMESTAMP_MASK,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_crc,
+ { "CRC32", "kafka.batch_crc",
+ FT_UINT32, BASE_HEX, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_codec,
+ { "Compression Codec", "kafka.batch_codec",
+ FT_UINT16, BASE_DEC, VALS(kafka_message_codecs), KAFKA_MESSAGE_CODEC_MASK,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_timestamp_type,
+ { "Timestamp Type", "kafka.batch_timestamp_type",
+ FT_UINT16, BASE_DEC, VALS(kafka_message_timestamp_types), KAFKA_MESSAGE_TIMESTAMP_MASK,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_transactional,
+ { "Transactional", "kafka.batch_transactional",
+ FT_UINT16, BASE_DEC, VALS(kafka_batch_transactional_values), KAFKA_BATCH_TRANSACTIONAL_MASK,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_control_batch,
+ { "Control Batch", "kafka.batch_control_batch",
+ FT_UINT16, BASE_DEC, VALS(kafka_batch_control_batch_values), KAFKA_BATCH_CONTROL_BATCH_MASK,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_last_offset_delta,
+ { "Last Offset Delta", "kafka.batch_last_offset_delta",
+ FT_UINT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_first_timestamp,
+ { "First Timestamp", "kafka.batch_first_timestamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_last_timestamp,
+ { "Last Timestamp", "kafka.batch_last_timestamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_base_sequence,
+ { "Base Sequence", "kafka.batch_base_sequence",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_size,
+ { "Size", "kafka.batch_size",
+ FT_UINT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_index,
+ { "Batch Index", "kafka.batch_index",
+ FT_UINT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_batch_index_error_message,
+ { "Batch Index Error Message", "kafka.batch_index_error_message",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_message_timestamp,
+ { "Timestamp", "kafka.message_timestamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_message_key,
+ { "Key", "kafka.message_key",
+ FT_BYTES, BASE_SHOW_ASCII_PRINTABLE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_message_value,
+ { "Value", "kafka.message_value",
+ FT_BYTES, BASE_SHOW_ASCII_PRINTABLE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_message_compression_reduction,
+ { "Compression Reduction (compressed/uncompressed)", "kafka.message_compression_reduction",
+ FT_FLOAT, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_truncated_content,
+ { "Truncated Content", "kafka.truncated_content",
+ FT_BYTES, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_consumer_group,
+ { "Consumer Group", "kafka.consumer_group",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_consumer_group_instance,
+ { "Consumer Group Instance", "kafka.consumer_group_instance",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_coordinator_key,
+ { "Coordinator Key", "kafka.coordinator_key",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_coordinator_type,
+ { "Coordinator Type", "kafka.coordinator_type",
+ FT_INT8, BASE_DEC, VALS(kafka_coordinator_types), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_request_frame,
+ { "Request Frame", "kafka.request_frame",
+ FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_REQUEST), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_broker_nodeid,
+ { "Node ID", "kafka.node_id",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_broker_epoch,
+ { "Broker Epoch", "kafka.broker_epoch",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_broker_host,
+ { "Host", "kafka.host",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_listener_name,
+ { "Listener", "kafka.listener_name",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_broker_port,
+ { "Port", "kafka.port",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_rack,
+ { "Rack", "kafka.rack",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_broker_security_protocol_type,
+ { "Security Protocol Type", "kafka.broker_security_protocol_type",
+ FT_INT16, BASE_DEC, VALS(kafka_security_protocol_types), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_cluster_id,
+ { "Cluster ID", "kafka.cluster_id",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_controller_id,
+ { "Controller ID", "kafka.node_id",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_controller_epoch,
+ { "Controller Epoch", "kafka.controller_epoch",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_delete_partitions,
+ { "Delete Partitions", "kafka.delete_partitions",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_group_leader_id,
+ { "Leader ID", "kafka.group_leader_id",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_leader_id,
+ { "Leader ID", "kafka.leader_id",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_leader_epoch,
+ { "Leader Epoch", "kafka.leader_epoch",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_current_leader_epoch,
+ { "Leader Epoch", "kafka.current_leader_epoch",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_is_internal,
+ { "Is Internal", "kafka.is_internal",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_min_bytes,
+ { "Min Bytes", "kafka.min_bytes",
+ FT_INT32, BASE_DEC, 0, 0,
+ "The minimum number of bytes of messages that must be available"
+ " to give a response.",
+ HFILL }
+ },
+ { &hf_kafka_max_bytes,
+ { "Max Bytes", "kafka.max_bytes",
+ FT_INT32, BASE_DEC, 0, 0,
+ "The maximum bytes to include in the message set for this"
+ " partition. This helps bound the size of the response.",
+ HFILL }
+ },
+ { &hf_kafka_isolation_level,
+ { "Isolation Level", "kafka.isolation_level",
+ FT_INT8, BASE_DEC, VALS(kafka_isolation_levels), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_max_wait_time,
+ { "Max Wait Time", "kafka.max_wait_time",
+ FT_INT32, BASE_DEC, 0, 0,
+ "The maximum amount of time in milliseconds to block waiting if"
+ " insufficient data is available at the time the request is"
+ " issued.",
+ HFILL }
+ },
+ { &hf_kafka_throttle_time,
+ { "Throttle time", "kafka.throttle_time",
+ FT_INT32, BASE_DEC, 0, 0,
+ "Duration in milliseconds for which the request was throttled"
+ " due to quota violation."
+ " (Zero if the request did not violate any quota.)",
+ HFILL }
+ },
+ { &hf_kafka_response_frame,
+ { "Response Frame", "kafka.response_frame",
+ FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_RESPONSE), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_api_versions_api_key,
+ { "API Key", "kafka.api_versions.api_key",
+ FT_INT16, BASE_DEC, VALS(kafka_api_names), 0,
+ "API Key.", HFILL }
+ },
+ { &hf_kafka_api_versions_min_version,
+ { "Min Version", "kafka.api_versions.min_version",
+ FT_INT16, BASE_DEC, 0, 0,
+ "Minimal version which supports api key.", HFILL }
+ },
+ { &hf_kafka_api_versions_max_version,
+ { "Max Version", "kafka.api_versions.max_version",
+ FT_INT16, BASE_DEC, 0, 0,
+ "Maximal version which supports api key.", HFILL }
+ },
+ { &hf_kafka_session_timeout,
+ { "Session Timeout", "kafka.session_timeout",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_rebalance_timeout,
+ { "Rebalance Timeout", "kafka.rebalance_timeout",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_group_state,
+ { "State", "kafka.group_state",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_member_id,
+ { "Consumer Group Member ID", "kafka.member_id",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_protocol_type,
+ { "Protocol Type", "kafka.protocol_type",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_protocol_name,
+ { "Protocol Name", "kafka.protocol_name",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_protocol_metadata,
+ { "Protocol Metadata", "kafka.protocol_metadata",
+ FT_BYTES, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_member_metadata,
+ { "Member Metadata", "kafka.member_metadata",
+ FT_BYTES, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_generation_id,
+ { "Generation ID", "kafka.generation_id",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_member_assignment,
+ { "Member Assignment", "kafka.member_assignment",
+ FT_BYTES, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_sasl_mechanism,
+ { "SASL Mechanism", "kafka.sasl_mechanism",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_num_partitions,
+ { "Number of Partitions", "kafka.num_partitions",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_zk_version,
+ { "Zookeeper Version", "kafka.zk_version",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_is_new_replica,
+ { "New Replica", "kafka.is_new_replica",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_key,
+ { "Key", "kafka.config_key",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_value,
+ { "Value", "kafka.config_value",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_operation,
+ { "Operation", "kafka.config_operation",
+ FT_INT8, BASE_DEC, VALS(config_operations), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_commit_timestamp,
+ { "Timestamp", "kafka.commit_timestamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_retention_time,
+ { "Retention Time", "kafka.retention_time",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_forgotten_topic_name,
+ { "Forgotten Topic Name", "kafka.forgotten_topic_name",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_forgotten_topic_partition,
+ { "Forgotten Topic Partition", "kafka.forgotten_topic_partition",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_fetch_session_id,
+ { "Fetch Session ID", "kafka.fetch_session_id",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_fetch_session_epoch,
+ { "Fetch Session Epoch", "kafka.fetch_session_epoch",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_require_stable_offset,
+ { "Require Stable Offset", "kafka.require_stable_offset",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_record_header_key,
+ { "Header Key", "kafka.header_key",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_record_header_value,
+ { "Header Value", "kafka.header_value",
+ FT_BYTES, BASE_SHOW_ASCII_PRINTABLE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_record_attributes,
+ { "Record Attributes (reserved)", "kafka.record_attributes",
+ FT_INT8, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_allow_auto_topic_creation,
+ { "Allow Auto Topic Creation", "kafka.allow_auto_topic_creation",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_validate_only,
+ { "Only Validate the Request", "kafka.validate_only",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_coordinator_epoch,
+ { "Coordinator Epoch", "kafka.coordinator_epoch",
+ FT_INT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_sasl_auth_bytes,
+ { "SASL Authentication Bytes", "kafka.sasl_authentication",
+ FT_BYTES, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_session_lifetime_ms,
+ { "Session Lifetime (ms)", "kafka.session_lifetime_ms",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_acl_resource_type,
+ { "Resource Type", "kafka.acl_resource_type",
+ FT_INT8, BASE_DEC, VALS(acl_resource_types), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_acl_resource_name,
+ { "Resource Name", "kafka.acl_resource_name",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_acl_resource_pattern_type,
+ { "Resource Pattern Type", "kafka.acl_resource_pattern_type",
+ FT_INT8, BASE_DEC, VALS(acl_resource_pattern_types), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_acl_principal,
+ { "Principal", "kafka.acl_principal",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_acl_host,
+ { "Host", "kafka.acl_host",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_acl_operation,
+ { "Operation", "kafka.acl_operation",
+ FT_INT8, BASE_DEC, VALS(acl_operations), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_acl_permission_type,
+ { "Permission Type", "kafka.acl_permission_type",
+ FT_INT8, BASE_DEC, VALS(acl_permission_types), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_resource_type,
+ { "Resource Type", "kafka.config_resource_type",
+ FT_INT8, BASE_DEC, VALS(config_resource_types), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_resource_name,
+ { "Resource Name", "kafka.config_resource_name",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_include_synonyms,
+ { "Include Synonyms", "kafka.config_include_synonyms",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_default,
+ { "Default", "kafka.config_default",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_readonly,
+ { "Readonly", "kafka.config_readonly",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_sensitive,
+ { "Sensitive", "kafka.config_sensitive",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_config_source,
+ { "Source", "kafka.config_source",
+ FT_INT8, BASE_DEC, VALS(config_sources), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_log_dir,
+ { "Log Directory", "kafka.log_dir",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_segment_size,
+ { "Segment Size", "kafka.segment_size",
+ FT_UINT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_offset_lag,
+ { "Offset Lag", "kafka.offset_lag",
+ FT_UINT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_future,
+ { "Future", "kafka.future",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_partition_count,
+ { "Partition Count", "kafka.partition_count",
+ FT_UINT32, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_max_life_time,
+ { "Max Life Time", "kafka.token_max_life_time",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_renew_time,
+ { "Renew Time", "kafka.renew_time",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_expiry_time,
+ { "Expiry Time", "kafka.expiry_time",
+ FT_INT64, BASE_DEC, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_principal_type,
+ { "Principal Type", "kafka.principal_type",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_principal_name,
+ { "Principal Name", "kafka.principal_name",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_issue_timestamp,
+ { "Issue Timestamp", "kafka.token_issue_timestamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_expiry_timestamp,
+ { "Expiry Timestamp", "kafka.token_expiry_timestamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_max_timestamp,
+ { "Max Timestamp", "kafka.token_max_timestamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_id,
+ { "ID", "kafka.token_id",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_token_hmac,
+ { "HMAC", "kafka.token_hmac",
+ FT_BYTES, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_include_cluster_authorized_ops,
+ { "Include Cluster Authorized Operations", "kafka.include_cluster_authorized_ops",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_include_topic_authorized_ops,
+ { "Include Topic Authorized Operations", "kafka.include_topic_authorized_ops",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_cluster_authorized_ops,
+ { "Cluster Authorized Operations", "kafka.cluster_authorized_ops",
+ FT_UINT32, BASE_HEX, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_topic_authorized_ops,
+ { "Topic Authorized Operations", "kafka.topic_authorized_ops",
+ FT_UINT32, BASE_HEX, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_include_group_authorized_ops,
+ { "Include Group Authorized Operations", "kafka.include_group_authorized_ops",
+ FT_BOOLEAN, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_group_authorized_ops,
+ { "Group Authorized Operations", "kafka.group_authorized_ops",
+ FT_UINT32, BASE_HEX, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_election_type,
+ { "Election Type", "kafka.election_type",
+ FT_INT8, BASE_DEC, VALS(election_types), 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_tagged_field_tag,
+ { "Tag Value", "kafka.tagged_field_tag",
+ FT_UINT64, BASE_HEX, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_tagged_field_data,
+ { "Tag Data", "kafka.tagged_field_data",
+ FT_BYTES, BASE_SHOW_ASCII_PRINTABLE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_client_software_name,
+ { "Client Software Name", "kafka.client_software_name",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ { &hf_kafka_client_software_version,
+ { "Client Software Version", "kafka.client_software_version",
+ FT_STRING, BASE_NONE, 0, 0,
+ NULL, HFILL }
+ },
+ };
+
+ proto_register_field_array(protocol, hf, array_length(hf));
+
+}
+
+static void
+proto_register_kafka_protocol_subtrees(const int proto _U_)
+{
+ static int *ett[] = {
+ &ett_kafka,
+ &ett_kafka_batch,
+ &ett_kafka_message,
+ &ett_kafka_message_set,
+ &ett_kafka_offline,
+ &ett_kafka_isrs,
+ &ett_kafka_replicas,
+ &ett_kafka_broker,
+ &ett_kafka_brokers,
+ &ett_kafka_broker_end_point,
+ &ett_kafka_markers,
+ &ett_kafka_marker,
+ &ett_kafka_topics,
+ &ett_kafka_topic,
+ &ett_kafka_partitions,
+ &ett_kafka_partition,
+ &ett_kafka_api_version,
+ &ett_kafka_group_protocols,
+ &ett_kafka_group_protocol,
+ &ett_kafka_group_members,
+ &ett_kafka_group_member,
+ &ett_kafka_group_assignments,
+ &ett_kafka_group_assignment,
+ &ett_kafka_groups,
+ &ett_kafka_group,
+ &ett_kafka_sasl_enabled_mechanisms,
+ &ett_kafka_replica_assignment,
+ &ett_kafka_configs,
+ &ett_kafka_config,
+ &ett_kafka_request_forgotten_topic,
+ &ett_kafka_record,
+ &ett_kafka_record_headers,
+ &ett_kafka_record_headers_header,
+ &ett_kafka_aborted_transactions,
+ &ett_kafka_aborted_transaction,
+ &ett_kafka_resources,
+ &ett_kafka_resource,
+ &ett_kafka_acls,
+ &ett_kafka_acl,
+ &ett_kafka_acl_creations,
+ &ett_kafka_acl_creation,
+ &ett_kafka_acl_filters,
+ &ett_kafka_acl_filter,
+ &ett_kafka_acl_filter_matches,
+ &ett_kafka_acl_filter_match,
+ &ett_kafka_config_synonyms,
+ &ett_kafka_config_synonym,
+ &ett_kafka_config_entries,
+ &ett_kafka_config_entry,
+ &ett_kafka_log_dirs,
+ &ett_kafka_log_dir,
+ &ett_kafka_renewers,
+ &ett_kafka_renewer,
+ &ett_kafka_owners,
+ &ett_kafka_owner,
+ &ett_kafka_tokens,
+ &ett_kafka_token,
+ &ett_kafka_tagged_fields,
+ &ett_kafka_tagged_field,
+ &ett_kafka_record_errors,
+ &ett_kafka_record_error,
+ };
+ proto_register_subtree_array(ett, array_length(ett));
+}
+
+static void
+proto_register_kafka_expert_module(const int proto) {
+ expert_module_t* expert_kafka;
+ static ei_register_info ei[] = {
+ { &ei_kafka_request_missing,
+ { "kafka.request_missing", PI_UNDECODED, PI_WARN, "Request missing", EXPFILL }},
+ { &ei_kafka_unknown_api_key,
+ { "kafka.unknown_api_key", PI_UNDECODED, PI_WARN, "Unknown API key", EXPFILL }},
+ { &ei_kafka_unsupported_api_version,
+ { "kafka.unsupported_api_version", PI_UNDECODED, PI_WARN, "Unsupported API version", EXPFILL }},
+ { &ei_kafka_bad_string_length,
+ { "kafka.bad_string_length", PI_MALFORMED, PI_WARN, "Invalid string length field", EXPFILL }},
+ { &ei_kafka_bad_bytes_length,
+ { "kafka.bad_bytes_length", PI_MALFORMED, PI_WARN, "Invalid byte length field", EXPFILL }},
+ { &ei_kafka_bad_array_length,
+ { "kafka.bad_array_length", PI_MALFORMED, PI_WARN, "Invalid array length field", EXPFILL }},
+ { &ei_kafka_bad_record_length,
+ { "kafka.bad_record_length", PI_MALFORMED, PI_WARN, "Invalid record length field", EXPFILL }},
+ { &ei_kafka_bad_varint,
+ { "kafka.bad_varint", PI_MALFORMED, PI_WARN, "Invalid varint bytes", EXPFILL }},
+ { &ei_kafka_bad_message_set_length,
+ { "kafka.ei_kafka_bad_message_set_length", PI_MALFORMED, PI_WARN, "Message set size does not match content", EXPFILL }},
+ { &ei_kafka_bad_decompression_length,
+ { "kafka.ei_kafka_bad_decompression_length", PI_MALFORMED, PI_WARN, "Decompression size too large", EXPFILL }},
+ { &ei_kafka_zero_decompression_length,
+ { "kafka.ei_kafka_zero_decompression_length", PI_PROTOCOL, PI_NOTE, "Decompression size zero", EXPFILL }},
+ { &ei_kafka_unknown_message_magic,
+ { "kafka.unknown_message_magic", PI_MALFORMED, PI_WARN, "Invalid message magic field", EXPFILL }},
+ { &ei_kafka_pdu_length_mismatch,
+ { "kafka.pdu_length_mismatch", PI_MALFORMED, PI_WARN, "Dissected message does not end at the pdu length offset", EXPFILL }},
+ };
+ expert_kafka = expert_register_protocol(proto);
+ expert_register_field_array(expert_kafka, ei, array_length(ei));
+}
+
+static void
+proto_register_kafka_preferences(const int proto)
+{
+ module_t *kafka_module;
+ kafka_module = prefs_register_protocol(proto, NULL);
+ /* unused; kept for backward compatibility */
+ prefs_register_bool_preference(kafka_module, "show_string_bytes_lengths",
+ "Show length for string and bytes fields in the protocol tree",
+ "",
+ &kafka_show_string_bytes_lengths);
+}
+
+
+/*
+ * Dissector entry points, contract for dissection plugin.
+ */
+
+void
+proto_register_kafka(void)
+{
+
+ int protocol_handle;
+
+ compute_kafka_api_names();
+
+ protocol_handle = proto_register_protocol("Kafka", "Kafka", "kafka");
+ proto_register_kafka_protocol_fields(protocol_handle);
+ proto_register_kafka_protocol_subtrees(protocol_handle);
+ proto_register_kafka_expert_module(protocol_handle);
+ proto_register_kafka_preferences(protocol_handle);
+
+ proto_kafka = protocol_handle;
+
+}
+
+void
+proto_reg_handoff_kafka(void)
+{
+
+ static dissector_handle_t kafka_handle;
+
+ kafka_handle = register_dissector("kafka", dissect_kafka_tcp, proto_kafka);
+
+ dissector_add_uint_range_with_preference("tcp.port", KAFKA_TCP_DEFAULT_RANGE, kafka_handle);
+ ssl_dissector_add(0, kafka_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:
+ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-30 09:01:23 +0000