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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
| commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
| tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-uftp4.c | |
| parent | Initial commit. (diff) | |
| download | wireshark-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-uftp4.c')
| -rw-r--r-- | epan/dissectors/packet-uftp4.c | 3276 |
1 files changed, 3276 insertions, 0 deletions
diff --git a/epan/dissectors/packet-uftp4.c b/epan/dissectors/packet-uftp4.c new file mode 100644 index 00000000..85a98de3 --- /dev/null +++ b/epan/dissectors/packet-uftp4.c @@ -0,0 +1,3276 @@ +/* packet-uftp4.c + * Routines for UFTP version 4 packet dissection + * Copyright Dennis Bush <bush@tcnj.edu> + * + * 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 <math.h> + +#define UFTP_VER_NUM 0x40 + +#define ANNOUNCE 1 +#define REGISTER 2 +#define CLIENT_KEY 3 +#define REG_CONF 4 +#define KEYINFO 5 +#define KEYINFO_ACK 6 +#define FILEINFO 7 +#define FILEINFO_ACK 8 +#define FILESEG 9 +#define DONE 10 +#define STATUS 11 +#define COMPLETE 12 +#define DONE_CONF 13 +#define HB_REQ 14 +#define HB_RESP 15 +#define KEY_REQ 16 +#define PROXY_KEY 17 +#define ENCRYPTED 18 +#define ABORT 19 +#define CONG_CTRL 20 +#define CC_ACK 21 + +#define FTYPE_REG 0 +#define FTYPE_DIR 1 +#define FTYPE_LINK 2 +#define FTYPE_DELETE 3 +#define FTYPE_FREESPACE 4 + +#define KEY_NONE 0 +#define KEY_DES 1 +#define KEY_DES_EDE3 2 +#define KEY_AES128_CBC 3 +#define KEY_AES256_CBC 4 +#define KEY_AES128_GCM 5 +#define KEY_AES256_GCM 6 +#define KEY_AES128_CCM 7 +#define KEY_AES256_CCM 8 + +#define HASH_NONE 0 +#define HASH_MD5 1 +#define HASH_SHA1 2 +#define HASH_SHA256 3 +#define HASH_SHA384 4 +#define HASH_SHA512 5 + +#define SIG_NONE 0 +#define SIG_HMAC 1 +#define SIG_KEYEX 2 +#define SIG_AUTHENC 3 + +#define KEYEX_NONE 0 +#define KEYEX_RSA 1 +#define KEYEX_ECDH_RSA 2 +#define KEYEX_ECDH_ECDSA 3 + +#define KEYBLOB_RSA 1 +#define KEYBLOB_EC 2 + +#define CURVE_sect163k1 1 +#define CURVE_sect163r1 2 +#define CURVE_sect163r2 3 +#define CURVE_sect193r1 4 +#define CURVE_sect193r2 5 +#define CURVE_sect233k1 6 +#define CURVE_sect233r1 7 +#define CURVE_sect239k1 8 +#define CURVE_sect283k1 9 +#define CURVE_sect283r1 10 +#define CURVE_sect409k1 11 +#define CURVE_sect409r1 12 +#define CURVE_sect571k1 13 +#define CURVE_sect571r1 14 +#define CURVE_secp160k1 15 +#define CURVE_secp160r1 16 +#define CURVE_secp160r2 17 +#define CURVE_secp192k1 18 +#define CURVE_secp192r1 19 +#define CURVE_secp224k1 20 +#define CURVE_secp224r1 21 +#define CURVE_secp256k1 22 +#define CURVE_secp256r1 23 +#define CURVE_secp384r1 24 +#define CURVE_secp521r1 25 +#define CURVE_prime192v1 CURVE_secp192r1 +#define CURVE_prime256v1 CURVE_secp256r1 + +#define CC_NONE 0 +#define CC_UFTP3 1 +#define CC_TFMCC 2 +#define CC_PGMCC 3 + +#define EXT_ENC_INFO 1 +#define EXT_TFMCC_DATA_INFO 2 +#define EXT_TFMCC_ACK_INFO 3 + +#define EXT_PGMCC_DATA_INFO 4 +#define EXT_PGMCC_NAK_INFO 5 +#define EXT_PGMCC_ACK_INFO 6 + +#define EXT_FREESPACE_INFO 7 + +#define FLAG_SYNC_MODE 0x01 +#define FLAG_SYNC_PREVIEW 0x02 +#define FLAG_IPV6 0x04 +#define FLAG_ANNOUNCE_RESERVED 0xF8 + +#define FLAG_CLIENT_AUTH 0x01 +#define FLAG_ENCINFO_RESERVED 0xFE + +#define FLAG_PARTIAL 0x01 +#define FLAG_FILEINFOACK_RESERVED 0xFE + +#define FLAG_CURRENT_FILE 0x01 +#define FLAG_ABORT_RESERVED 0xFE + +#define FLAG_CC_CLR 0x01 +#define FLAG_CC_RTT 0x02 +#define FLAG_CC_START 0x04 +#define FLAG_CC_LEAVE 0x08 +#define FLAG_CC_RESERVED 0xF0 + +#define COMP_STAT_NORMAL 0 +#define COMP_STAT_SKIPPED 1 +#define COMP_STAT_OVERWRITE 2 +#define COMP_STAT_REJECTED 3 + +#define HB_AUTH_FAILED 0 +#define HB_AUTH_OK 1 +#define HB_AUTH_CHALLENGE 2 + +#define MAXFILENAME 100 +#define MAXDIRNAME 200 +#define MAXPATHNAME 300 +#define MAXBACKUPPATHNAME 600 +#define MAXPROXYDEST 1000 +#define MAXDIR 10 +#define MAXSECTION 65536 + +#define DESTNAME_LEN 80 +#define IFNAME_LEN 25 +#define MAX_INTERFACES 100 +#define IPSTR_LEN 16 + +#define PUBKEY_LEN 256 /* big enough for RSA-2048 */ +#define RAND_LEN 32 /* rfc 5246 */ +#define HMAC_LEN 64 /* big enough for SHA-512 */ +#define VERIFY_LEN 12 /* rfc 5246 */ +#define MASTER_LEN 48 /* rfc 5246 */ +#define MAXIV 16 /* big enough for AES256 */ +#define MAXKEY 32 /* big enough for AES256 */ +#define KEYBLSIZE 16 /* Maximum symetric key blocksize */ +#define DEF_RSA_LEN 512 /* Default length of generated RSA keys */ +#define RSA_EXP 65537 /* Public key exponent of generated RSA keys */ +#define SALT_LEN 4 /* Length of salt for IV */ +#define GCM_IV_LEN 12 /* Length of IV for ciphers in GCM mode */ +#define CCM_IV_LEN 12 /* Length of IV for ciphers in CCM mode */ +#define GCM_TAG_LEN 16 /* Length of tag for ciphers in GCM mode */ +#define CCM_TAG_LEN 16 /* Length of tag for ciphers in CCM mode */ + +#define UFTP_LEN 16 +#define ANNOUNCE_LEN 16 +#define ENC_INFO_LEN 44 +#define REGISTER_LEN 44 +#define CLIENT_KEY_LEN 8 +#define REG_CONF_LEN 4 +#define KEYINFO_LEN 12 +#define DESTKEY_LEN 52 +#define KEYINFO_ACK_LEN 16 +#define FILEINFO_LEN 28 +#define FILEINFO_ACK_LEN 16 +#define FILESEG_LEN 8 +#define TFMCC_DATA_LEN 8 +#define DONE_LEN 8 +#define STATUS_LEN 8 +#define COMPLETE_LEN 8 +#define FREESPACE_LEN 12 +#define DONE_CONF_LEN 4 +#define HB_REQ_LEN 12 +#define HB_RESP_LEN 8 +#define KEY_REQ_LEN 4 +#define PROXY_KEY_LEN 12 +#define ENCRYPTED_LEN 12 +#define ABORT_LEN 308 +#define CONG_CTRL_LEN 16 +#define CC_ITEM_LEN 8 +#define CC_ACK_LEN 4 +#define TFMCC_ACK_LEN 20 +#define RSA_BLOB_LEN 8 +#define EC_BLOB_LEN 4 + +void proto_register_uftp4(void); + +static int proto_uftp = -1; + +/* main header and common fields */ +static int hf_uftp_version = -1; +static int hf_uftp_func = -1; +static int hf_uftp_seq = -1; +static int hf_uftp_src_id = -1; +static int hf_uftp_group_id = -1; +static int hf_uftp_group_inst = -1; +static int hf_uftp_grtt = -1; +static int hf_uftp_gsize = -1; +static int hf_uftp_reserved = -1; + +static int hf_uftp_destlist = -1; +static int hf_uftp_dest = -1; + +/* ANNOUNCE fields */ +static int hf_uftp_announce = -1; +static int hf_uftp_announce_func = -1; +static int hf_uftp_announce_hlen = -1; +static int hf_uftp_announce_flags = -1; +static int hf_uftp_announce_flags_sync = -1; +static int hf_uftp_announce_flags_syncpreview = -1; +static int hf_uftp_announce_flags_ipv6 = -1; +static int hf_uftp_announce_flags_reserved = -1; +static int hf_uftp_announce_robust = -1; +static int hf_uftp_announce_cc_type = -1; +static int hf_uftp_announce_reserved = -1; +static int hf_uftp_announce_blocksize = -1; +static int hf_uftp_announce_tstamp = -1; +static int hf_uftp_announce_publicmcast_ipv4 = -1; +static int hf_uftp_announce_publicmcast_ipv6 = -1; +static int hf_uftp_announce_privatemcast_ipv4 = -1; +static int hf_uftp_announce_privatemcast_ipv6 = -1; + +/* EXT_ENC_INFO fields */ +static int hf_uftp_encinfo = -1; +static int hf_uftp_encinfo_exttype = -1; +static int hf_uftp_encinfo_extlen = -1; +static int hf_uftp_encinfo_flags = -1; +static int hf_uftp_encinfo_flags_client_auth = -1; +static int hf_uftp_encinfo_flags_reserved = -1; +static int hf_uftp_encinfo_keyextype = -1; +static int hf_uftp_encinfo_sigtype = -1; +static int hf_uftp_encinfo_keytype = -1; +static int hf_uftp_encinfo_hashtype = -1; +static int hf_uftp_encinfo_keylen = -1; +static int hf_uftp_encinfo_dhlen = -1; +static int hf_uftp_encinfo_siglen = -1; +static int hf_uftp_encinfo_rand1 = -1; +static int hf_uftp_encinfo_keyblob = -1; +static int hf_uftp_encinfo_dhblob = -1; +static int hf_uftp_encinfo_sig = -1; + +/* rsa_blob_t fields */ +static int hf_uftp_rsablob_blobtype = -1; +static int hf_uftp_rsablob_reserved = -1; +static int hf_uftp_rsablob_modlen = -1; +static int hf_uftp_rsablob_exponent = -1; +static int hf_uftp_rsablob_modulus = -1; + +/* ec_blob_t fields */ +static int hf_uftp_ecblob_blobtype = -1; +static int hf_uftp_ecblob_curve = -1; +static int hf_uftp_ecblob_keylen = -1; +static int hf_uftp_ecblob_key = -1; + +/* REGISTER fields */ +static int hf_uftp_register = -1; +static int hf_uftp_register_func = -1; +static int hf_uftp_register_hlen = -1; +static int hf_uftp_register_keyinfo_len = -1; +static int hf_uftp_register_tstamp = -1; +static int hf_uftp_register_rand2 = -1; +static int hf_uftp_register_keyinfo = -1; + +/* CLIENT_KEY fields */ +static int hf_uftp_clientkey = -1; +static int hf_uftp_clientkey_func = -1; +static int hf_uftp_clientkey_hlen = -1; +static int hf_uftp_clientkey_reserved = -1; +static int hf_uftp_clientkey_bloblen = -1; +static int hf_uftp_clientkey_siglen = -1; +static int hf_uftp_clientkey_keyblob = -1; +static int hf_uftp_clientkey_verify = -1; + +/* REG_CONF fields */ +static int hf_uftp_regconf = -1; +static int hf_uftp_regconf_func = -1; +static int hf_uftp_regconf_hlen = -1; +static int hf_uftp_regconf_reserved = -1; + +/* KEYINFO fields */ +static int hf_uftp_keyinfo = -1; +static int hf_uftp_keyinfo_func = -1; +static int hf_uftp_keyinfo_hlen = -1; +static int hf_uftp_keyinfo_reserved = -1; +static int hf_uftp_keyinfo_ivctr = -1; +static int hf_uftp_keyinfo_destkey = -1; +static int hf_uftp_keyinfo_destid = -1; +static int hf_uftp_keyinfo_groupmaster = -1; + +/* KEYINFO_ACK fields */ +static int hf_uftp_keyinfoack = -1; +static int hf_uftp_keyinfoack_func = -1; +static int hf_uftp_keyinfoack_hlen = -1; +static int hf_uftp_keyinfoack_reserved = -1; +static int hf_uftp_keyinfoack_verify_data = -1; + +/* FILEINFO fields */ +static int hf_uftp_fileinfo = -1; +static int hf_uftp_fileinfo_func = -1; +static int hf_uftp_fileinfo_hlen = -1; +static int hf_uftp_fileinfo_file_id = -1; +static int hf_uftp_fileinfo_ftype = -1; +static int hf_uftp_fileinfo_reserved = -1; +static int hf_uftp_fileinfo_namelen = -1; +static int hf_uftp_fileinfo_linklen = -1; +static int hf_uftp_fileinfo_fsize = -1; +static int hf_uftp_fileinfo_ftstamp = -1; +static int hf_uftp_fileinfo_tstamp = -1; +static int hf_uftp_fileinfo_name = -1; +static int hf_uftp_fileinfo_link = -1; + +/* FILEINFO_ACK fields */ +static int hf_uftp_fileinfoack = -1; +static int hf_uftp_fileinfoack_func = -1; +static int hf_uftp_fileinfoack_hlen = -1; +static int hf_uftp_fileinfoack_file_id = -1; +static int hf_uftp_fileinfoack_flags = -1; +static int hf_uftp_fileinfoack_flags_partial = -1; +static int hf_uftp_fileinfoack_flags_reserved = -1; +static int hf_uftp_fileinfoack_reserved = -1; +static int hf_uftp_fileinfoack_tstamp = -1; + +/* FILESEG fields */ +static int hf_uftp_fileseg = -1; +static int hf_uftp_fileseg_func = -1; +static int hf_uftp_fileseg_hlen = -1; +static int hf_uftp_fileseg_file_id = -1; +static int hf_uftp_fileseg_section = -1; +static int hf_uftp_fileseg_sec_block = -1; +static int hf_uftp_fileseg_data = -1; + +/* EXT_TFMCC_DATA_INFO fields */ +static int hf_uftp_tfmccdata = -1; +static int hf_uftp_tfmccdata_exttype = -1; +static int hf_uftp_tfmccdata_extlen = -1; +static int hf_uftp_tfmccdata_send_rate = -1; +static int hf_uftp_tfmccdata_cc_seq = -1; +static int hf_uftp_tfmccdata_cc_rate = -1; + +/* DONE fields */ +static int hf_uftp_done = -1; +static int hf_uftp_done_func = -1; +static int hf_uftp_done_hlen = -1; +static int hf_uftp_done_file_id = -1; +static int hf_uftp_done_section = -1; +static int hf_uftp_done_reserved = -1; + +/* STATUS fields */ +static int hf_uftp_status = -1; +static int hf_uftp_status_func = -1; +static int hf_uftp_status_hlen = -1; +static int hf_uftp_status_file_id = -1; +static int hf_uftp_status_section = -1; +static int hf_uftp_status_reserved = -1; +static int hf_uftp_status_naks = -1; + +/* COMPLETE fields */ +static int hf_uftp_complete = -1; +static int hf_uftp_complete_func = -1; +static int hf_uftp_complete_hlen = -1; +static int hf_uftp_complete_file_id = -1; +static int hf_uftp_complete_status = -1; +static int hf_uftp_complete_reserved = -1; + +/* EXT_FREESPACE_INFO fields */ +static int hf_uftp_freespace = -1; +static int hf_uftp_freespace_exttype = -1; +static int hf_uftp_freespace_extlen = -1; +static int hf_uftp_freespace_reserved = -1; +static int hf_uftp_freespace_freespace = -1; + +/* DONE_CONF fields */ +static int hf_uftp_doneconf = -1; +static int hf_uftp_doneconf_func = -1; +static int hf_uftp_doneconf_hlen = -1; +static int hf_uftp_doneconf_reserved = -1; + +/* HB_REQ fields */ +static int hf_uftp_hbreq = -1; +static int hf_uftp_hbreq_func = -1; +static int hf_uftp_hbreq_hlen = -1; +static int hf_uftp_hbreq_reserved = -1; +static int hf_uftp_hbreq_bloblen = -1; +static int hf_uftp_hbreq_siglen = -1; +static int hf_uftp_hbreq_nonce = -1; +static int hf_uftp_hbreq_keyblob = -1; +static int hf_uftp_hbreq_verify = -1; + +/* HB_RESP fields */ +static int hf_uftp_hbresp = -1; +static int hf_uftp_hbresp_func = -1; +static int hf_uftp_hbresp_hlen = -1; +static int hf_uftp_hbresp_authenticated = -1; +static int hf_uftp_hbresp_reserved = -1; +static int hf_uftp_hbresp_nonce = -1; + +/* KEY_REQ fields */ +static int hf_uftp_keyreq = -1; +static int hf_uftp_keyreq_func = -1; +static int hf_uftp_keyreq_hlen = -1; +static int hf_uftp_keyreq_reserved = -1; + +/* PROXY_KEY fields */ +static int hf_uftp_proxykey = -1; +static int hf_uftp_proxykey_func = -1; +static int hf_uftp_proxykey_hlen = -1; +static int hf_uftp_proxykey_bloblen = -1; +static int hf_uftp_proxykey_dhlen = -1; +static int hf_uftp_proxykey_siglen = -1; +static int hf_uftp_proxykey_nonce = -1; +static int hf_uftp_proxykey_keyblob = -1; +static int hf_uftp_proxykey_dhblob = -1; +static int hf_uftp_proxykey_verify = -1; + +/* CONG_CTRL fields */ +static int hf_uftp_congctrl = -1; +static int hf_uftp_congctrl_func = -1; +static int hf_uftp_congctrl_hlen = -1; +static int hf_uftp_congctrl_reserved = -1; +static int hf_uftp_congctrl_cc_seq = -1; +static int hf_uftp_congctrl_cc_rate = -1; +static int hf_uftp_congctrl_tstamp = -1; +static int hf_uftp_congctrl_cclist = -1; +static int hf_uftp_congctrl_item = -1; +static int hf_uftp_congctrl_item_destid = -1; +static int hf_uftp_congctrl_item_flags = -1; +static int hf_uftp_congctrl_item_flags_clr = -1; +static int hf_uftp_congctrl_item_flags_rtt = -1; +static int hf_uftp_congctrl_item_flags_start = -1; +static int hf_uftp_congctrl_item_flags_leave = -1; +static int hf_uftp_congctrl_item_flags_reserved = -1; +static int hf_uftp_congctrl_item_rtt = -1; +static int hf_uftp_congctrl_item_rate = -1; + +/* CC_ACK fields */ +static int hf_uftp_ccack = -1; +static int hf_uftp_ccack_func = -1; +static int hf_uftp_ccack_hlen = -1; +static int hf_uftp_ccack_reserved = -1; + +/* EXT_TFMCC_ACK_INFO fields */ +static int hf_uftp_tfmccack = -1; +static int hf_uftp_tfmccack_exttype = -1; +static int hf_uftp_tfmccack_extlen = -1; +static int hf_uftp_tfmccack_flags = -1; +static int hf_uftp_tfmccack_flags_clr = -1; +static int hf_uftp_tfmccack_flags_rtt = -1; +static int hf_uftp_tfmccack_flags_start = -1; +static int hf_uftp_tfmccack_flags_leave = -1; +static int hf_uftp_tfmccack_flags_reserved = -1; +static int hf_uftp_tfmccack_reserved = -1; +static int hf_uftp_tfmccack_cc_seq = -1; +static int hf_uftp_tfmccack_cc_rate = -1; +static int hf_uftp_tfmccack_client_id = -1; +static int hf_uftp_tfmccack_tstamp = -1; + +/* ENCRYPTED fields */ +static int hf_uftp_encrypted = -1; +static int hf_uftp_encrypted_ivctr = -1; +static int hf_uftp_encrypted_sig_len = -1; +static int hf_uftp_encrypted_payload_len = -1; +static int hf_uftp_encrypted_signature = -1; +static int hf_uftp_encrypted_payload = -1; + +/* ABORT fields */ +static int hf_uftp_abort = -1; +static int hf_uftp_abort_func = -1; +static int hf_uftp_abort_hlen = -1; +static int hf_uftp_abort_flags = -1; +static int hf_uftp_abort_flags_curfile = -1; +static int hf_uftp_abort_flags_reserved = -1; +static int hf_uftp_abort_reserved = -1; +static int hf_uftp_abort_clientid = -1; +static int hf_uftp_abort_message = -1; + +static gint ett_uftp = -1; +static gint ett_uftp_announce = -1; +static gint ett_uftp_register = -1; +static gint ett_uftp_clientkey = -1; +static gint ett_uftp_regconf = -1; +static gint ett_uftp_keyinfo = -1; +static gint ett_uftp_keyinfoack = -1; +static gint ett_uftp_fileinfo = -1; +static gint ett_uftp_fileinfoack = -1; +static gint ett_uftp_fileseg = -1; +static gint ett_uftp_done = -1; +static gint ett_uftp_status = -1; +static gint ett_uftp_complete = -1; +static gint ett_uftp_doneconf = -1; +static gint ett_uftp_hbreq = -1; +static gint ett_uftp_hbresp = -1; +static gint ett_uftp_keyreq = -1; +static gint ett_uftp_proxykey = -1; +static gint ett_uftp_congctrl = -1; +static gint ett_uftp_ccack = -1; +static gint ett_uftp_encrypted = -1; +static gint ett_uftp_abort = -1; + +static gint ett_uftp_announce_flags = -1; +static gint ett_uftp_encinfo = -1; +static gint ett_uftp_encinfo_flags = -1; +static gint ett_uftp_keyinfo_destkey = -1; +static gint ett_uftp_fileinfoack_flags = -1; +static gint ett_uftp_congctrl_cclist = -1; +static gint ett_uftp_congctrl_item = -1; +static gint ett_uftp_congctrl_item_flags = -1; +static gint ett_uftp_tfmccdata = -1; +static gint ett_uftp_tfmccack = -1; +static gint ett_uftp_tfmccack_flags = -1; +static gint ett_uftp_freespace = -1; +static gint ett_uftp_abort_flags = -1; + +static gint ett_uftp_destlist = -1; +static gint ett_uftp_rsablob = -1; +static gint ett_uftp_ecblob = -1; + +static expert_field ei_uftp_length_invalid = EI_INIT; +static expert_field ei_uftp_func_unknown = EI_INIT; + +static const value_string messages[] = { + { ANNOUNCE, "ANNOUNCE" }, + { REGISTER, "REGISTER" }, + { CLIENT_KEY, "CLIENT_KEY" }, + { REG_CONF, "REG_CONF" }, + { KEYINFO, "KEYINFO" }, + { KEYINFO_ACK, "KEYINFO_ACK" }, + { FILEINFO, "FILEINFO" }, + { FILEINFO_ACK, "FILEINFO_ACK" }, + { FILESEG, "FILESEG" }, + { DONE, "DONE" }, + { STATUS, "STATUS" }, + { COMPLETE, "COMPLETE" }, + { DONE_CONF, "DONE_CONF" }, + { HB_REQ, "HB_REQ" }, + { HB_RESP, "HB_RESP" }, + { KEY_REQ, "KEY_REQ" }, + { PROXY_KEY, "PROXY_KEY" }, + { ENCRYPTED, "ENCRYPTED" }, + { ABORT, "ABORT" }, + { CONG_CTRL, "CONG_CTRL" }, + { CC_ACK, "CC_ACK" }, + { 0, NULL } +}; + +static const value_string extensions[] = { + { EXT_ENC_INFO, "EXT_ENC_INFO" }, + { EXT_TFMCC_DATA_INFO, "EXT_TFMCC_DATA_INFO" }, + { EXT_TFMCC_ACK_INFO, "EXT_TFMCC_ACK_INFO" }, + { EXT_PGMCC_DATA_INFO, "EXT_PGMCC_DATA_INFO" }, + { EXT_PGMCC_NAK_INFO, "EXT_PGMCC_NAK_INFO" }, + { EXT_PGMCC_ACK_INFO, "EXT_PGMCC_ACK_INFO" }, + { EXT_FREESPACE_INFO, "EXT_FREESPACE_INFO" }, + { 0, NULL } +}; + +static const value_string cc_types[] = { + { CC_NONE, "NONE" }, + { CC_UFTP3, "UFTP3" }, + { CC_TFMCC, "TFMCC" }, + { CC_PGMCC, "PGMCC" }, + { 0, NULL } +}; + +static const value_string keyblob_types[] = { + { KEYBLOB_RSA, "RSA" }, + { KEYBLOB_EC, "EC" }, + { 0, NULL } +}; + +static const value_string curves[] = { + { CURVE_sect163k1, "sect163k1" }, + { CURVE_sect163r1, "sect163r1" }, + { CURVE_sect163r2, "sect163r2" }, + { CURVE_sect193r1, "sect193r1" }, + { CURVE_sect193r2, "sect193r2" }, + { CURVE_sect233k1, "sect233k1" }, + { CURVE_sect233r1, "sect233r1" }, + { CURVE_sect239k1, "sect239k1" }, + { CURVE_sect283k1, "sect283k1" }, + { CURVE_sect283r1, "sect283r1" }, + { CURVE_sect409k1, "sect409k1" }, + { CURVE_sect409r1, "sect409r1" }, + { CURVE_sect571k1, "sect571k1" }, + { CURVE_sect571r1, "sect571r1" }, + { CURVE_secp160k1, "secp160k1" }, + { CURVE_secp160r1, "secp160r1" }, + { CURVE_secp160r2, "secp160r2" }, + { CURVE_secp192k1, "secp192k1" }, + { CURVE_secp192r1, "prime192v1" }, + { CURVE_secp224k1, "secp224k1" }, + { CURVE_secp224r1, "secp224r1" }, + { CURVE_secp256k1, "secp256k1" }, + { CURVE_secp256r1, "prime256v1" }, + { CURVE_secp384r1, "secp384r1" }, + { CURVE_secp521r1, "secp521r1" }, + { 0, NULL } +}; + + +static const value_string keyexchange_types[] = { + { KEYEX_NONE, "NONE" }, + { KEYEX_RSA, "RSA" }, + { KEYEX_ECDH_RSA, "ECDH_RSA" }, + { KEYEX_ECDH_ECDSA, "ECDH_ECDSA" }, + { 0, NULL } +}; + +static const value_string signature_types[] = { + { SIG_NONE, "NONE" }, + { SIG_HMAC, "HMAC" }, + { SIG_KEYEX, "KEYEX" }, + { SIG_AUTHENC, "AUTHENC" }, + { 0, NULL } +}; + +static const value_string hash_types[] = { + { HASH_NONE, "NONE" }, + { HASH_MD5, "MD5" }, + { HASH_SHA1, "SHA-1" }, + { HASH_SHA256, "SHA-256" }, + { HASH_SHA384, "SHA-384" }, + { HASH_SHA512, "SHA-512" }, + { 0, NULL } +}; + +static const value_string key_types[] = { + { KEY_NONE, "NONE" }, + { KEY_DES, "DES" }, + { KEY_DES_EDE3, "3 Key Triple DES" }, + { KEY_AES128_CBC, "AES-128-CBC" }, + { KEY_AES256_CBC, "AES-256-CBC" }, + { KEY_AES128_GCM, "AES-128-GCM" }, + { KEY_AES256_GCM, "AES-256-GCM" }, + { KEY_AES128_CCM, "AES-128-CCM" }, + { KEY_AES256_CCM, "AES-256-CCM" }, + { 0, NULL } +}; + +static const value_string hb_auth_types[] = { + { HB_AUTH_FAILED, "Authorization Failed" }, + { HB_AUTH_OK, "Authorization Succeeded" }, + { HB_AUTH_CHALLENGE, "Authorization Required" }, + { 0, NULL } +}; + +static const value_string file_types[] = { + { FTYPE_REG, "Regular file" }, + { FTYPE_DIR, "Directory" }, + { FTYPE_LINK, "Symbolic link" }, + { FTYPE_DELETE, "Delete request" }, + { FTYPE_FREESPACE, "Free space request" }, + { 0, NULL } +}; + +static int * const announce_flags[] = { + &hf_uftp_announce_flags_sync, + &hf_uftp_announce_flags_syncpreview, + &hf_uftp_announce_flags_ipv6, + &hf_uftp_announce_flags_reserved, + NULL +}; + +static int * const encinfo_flags[] = { + &hf_uftp_encinfo_flags_client_auth, + &hf_uftp_encinfo_flags_reserved, + NULL +}; + +static int * const fileinfoack_flags[] = { + &hf_uftp_fileinfoack_flags_partial, + &hf_uftp_fileinfoack_flags_reserved, + NULL +}; + +static int * const abort_flags[] = { + &hf_uftp_abort_flags_curfile, + &hf_uftp_abort_flags_reserved, + NULL +}; + +static int * const cc_item_flags[] = { + &hf_uftp_congctrl_item_flags_clr, + &hf_uftp_congctrl_item_flags_rtt, + &hf_uftp_congctrl_item_flags_start, + &hf_uftp_congctrl_item_flags_leave, + &hf_uftp_congctrl_item_flags_reserved, + NULL +}; + +static int * const tfmcc_ack_flags[] = { + &hf_uftp_tfmccack_flags_clr, + &hf_uftp_tfmccack_flags_rtt, + &hf_uftp_tfmccack_flags_start, + &hf_uftp_tfmccack_flags_leave, + &hf_uftp_tfmccack_flags_reserved, + NULL +}; + +static const value_string comp_status[] = { + { COMP_STAT_NORMAL, "Normal" }, + { COMP_STAT_SKIPPED, "Skipped" }, + { COMP_STAT_OVERWRITE, "Overwrite" }, + { COMP_STAT_REJECTED, "Rejected" }, + { 0, NULL } +}; + +#define RTT_MIN 1.0e-6 +#define RTT_MAX 1000.0 + +static double unquantize_grtt(guint8 rtt) +{ + return ((rtt <= 31) ? + (((double)(rtt + 1)) * (double)RTT_MIN) : + (RTT_MAX / exp(((double)(255 - rtt)) / (double)13.0))); +} + +static guint unquantize_gsize(guint8 size) +{ + gint E, i; + double rval; + + E = size & 0x7; + rval = (size >> 3) * (10.0 / 32.0); + for (i = 0; i < E; i++) { + rval *= 10; + } + + return (guint)(rval + 0.5); +} + +static guint unquantize_rate(guint16 rate) +{ + gint E, i; + double rval; + + E = rate & 0xF; + rval = (rate >> 4) * (10.0 / 4096.0); + for (i = 0; i < E; i++) { + rval *= 10; + } + + return (guint)rval; +} + +static int dissect_uftp_rsablob(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int tree_hf) +{ + proto_item *ti = NULL; + proto_tree *rsablob_tree = NULL; + gint offset = 0, modlen; + + if (tvb_reported_length(tvb) < RSA_BLOB_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return 0; + } + + modlen = (gint)tvb_get_ntohs(tvb, 2); + if ((gint)tvb_reported_length(tvb) < modlen + RSA_BLOB_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d", tvb_reported_length(tvb)); + return 0; + } + + ti = proto_tree_add_item(tree, tree_hf, tvb, offset, RSA_BLOB_LEN + modlen, ENC_NA); + rsablob_tree = proto_item_add_subtree(ti, ett_uftp_rsablob); + proto_tree_add_item(rsablob_tree, hf_uftp_rsablob_blobtype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(rsablob_tree, hf_uftp_rsablob_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(rsablob_tree, hf_uftp_rsablob_modlen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(rsablob_tree, hf_uftp_rsablob_exponent, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(rsablob_tree, hf_uftp_rsablob_modulus, tvb, offset, modlen, ENC_NA); + + return RSA_BLOB_LEN + modlen; +} + +static int dissect_uftp_ecblob(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int tree_hf) +{ + proto_item *ti = NULL; + proto_tree *ecblob_tree = NULL; + gint offset = 0, keylen; + + if (tvb_reported_length(tvb) < EC_BLOB_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return 0; + } + + keylen = (gint)tvb_get_ntohs(tvb, 2); + if ((gint)tvb_reported_length(tvb) < keylen + EC_BLOB_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d", tvb_reported_length(tvb)); + return 0; + } + + ti = proto_tree_add_item(tree, tree_hf, tvb, offset, EC_BLOB_LEN + keylen, ENC_NA); + ecblob_tree = proto_item_add_subtree(ti, ett_uftp_ecblob); + proto_tree_add_item(ecblob_tree, hf_uftp_ecblob_blobtype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(ecblob_tree, hf_uftp_ecblob_curve, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(ecblob_tree, hf_uftp_ecblob_keylen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(ecblob_tree, hf_uftp_ecblob_key, tvb, offset, keylen, ENC_NA); + + return EC_BLOB_LEN + keylen; +} + +static gint dissect_uftp_encinfo(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *encinfo_tree = NULL; + gint offset = 0, hlen, keylen, dhlen, siglen; + gint8 blobtype; + tvbuff_t *next_tvb; + + if (tvb_reported_length(tvb) < ENC_INFO_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return 0; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + keylen = (gint)tvb_get_ntohs(tvb, 6); + dhlen = (gint)tvb_get_ntohs(tvb, 8); + siglen = (gint)tvb_get_ntohs(tvb, 10); + if (((gint)tvb_reported_length(tvb) < hlen) || + (hlen < ENC_INFO_LEN + keylen + dhlen + siglen)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d, " + "keylen = %d, dhlen = %d, siglen = %d", + tvb_reported_length(tvb), hlen, keylen, dhlen, siglen); + return 0; + } + + ti = proto_tree_add_item(tree, hf_uftp_encinfo, tvb, offset, ENC_INFO_LEN + keylen + dhlen + siglen, ENC_NA); + encinfo_tree = proto_item_add_subtree(ti, ett_uftp_encinfo); + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_exttype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(encinfo_tree, hf_uftp_encinfo_extlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_bitmask(encinfo_tree, tvb, offset, hf_uftp_encinfo_flags, ett_uftp_encinfo_flags, encinfo_flags, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_keyextype, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_sigtype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_keytype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_hashtype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_keylen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_dhlen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_siglen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_rand1, tvb, offset, RAND_LEN, ENC_NA); + offset += RAND_LEN; + if (keylen > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, keylen); + blobtype = tvb_get_guint8(tvb, offset); + switch (blobtype) { + case KEYBLOB_RSA: + parsed = dissect_uftp_rsablob(next_tvb, pinfo, encinfo_tree, hf_uftp_encinfo_keyblob); + break; + case KEYBLOB_EC: + parsed = dissect_uftp_ecblob(next_tvb, pinfo, encinfo_tree, hf_uftp_encinfo_keyblob); + break; + } + offset += parsed; + } + if (dhlen > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, dhlen); + blobtype = tvb_get_guint8(tvb, offset); + switch (blobtype) { + case KEYBLOB_RSA: + parsed = dissect_uftp_rsablob(next_tvb, pinfo, encinfo_tree, hf_uftp_encinfo_dhblob); + break; + case KEYBLOB_EC: + parsed = dissect_uftp_ecblob(next_tvb, pinfo, encinfo_tree, hf_uftp_encinfo_dhblob); + break; + } + offset += parsed; + } + if (siglen > 0) { + proto_tree_add_item(encinfo_tree, hf_uftp_encinfo_sig, tvb, offset, siglen, ENC_NA); + } + + return ENC_INFO_LEN + keylen + dhlen + siglen; +} + +static void dissect_uftp_announce(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *destlist = NULL; + proto_tree *announce_tree = NULL; + proto_tree *destlist_tree = NULL; + gint offset = 0; + gint hlen, iplen, destcount, idx, extlen_total; + guint8 flags, ext_type; + tvbuff_t *next_tvb; + + if (tvb_reported_length(tvb) < ANNOUNCE_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if ((gint)tvb_reported_length(tvb) < hlen) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + flags = tvb_get_guint8(tvb, 2); + + ti = proto_tree_add_item(tree, hf_uftp_announce, tvb, offset, -1, ENC_NA); + announce_tree = proto_item_add_subtree(ti, ett_uftp_announce); + proto_tree_add_item(announce_tree, hf_uftp_announce_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(announce_tree, hf_uftp_announce_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_bitmask(announce_tree, tvb, offset, hf_uftp_announce_flags, ett_uftp_announce_flags, announce_flags, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(announce_tree, hf_uftp_announce_robust, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(announce_tree, hf_uftp_announce_cc_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(announce_tree, hf_uftp_announce_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(announce_tree, hf_uftp_announce_blocksize, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(announce_tree, hf_uftp_announce_tstamp, tvb, offset, 8, ENC_TIME_SECS_USECS); + offset += 8; + if (flags & FLAG_IPV6) { + iplen = 16; + proto_tree_add_item(announce_tree, hf_uftp_announce_publicmcast_ipv6, tvb, offset, iplen, ENC_NA); + offset += iplen; + proto_tree_add_item(announce_tree, hf_uftp_announce_privatemcast_ipv6, tvb, offset, iplen, ENC_NA); + offset += iplen; + } else { + iplen = 4; + proto_tree_add_item(announce_tree, hf_uftp_announce_publicmcast_ipv4, tvb, offset, iplen, ENC_BIG_ENDIAN); + offset += iplen; + proto_tree_add_item(announce_tree, hf_uftp_announce_privatemcast_ipv4, tvb, offset, iplen, ENC_BIG_ENDIAN); + offset += iplen; + } + + extlen_total = hlen - (ANNOUNCE_LEN + ( 2 * iplen)); + while (extlen_total > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, extlen_total); + ext_type = tvb_get_guint8(tvb, offset); + switch (ext_type) { + case EXT_ENC_INFO: + parsed = dissect_uftp_encinfo(next_tvb, pinfo, announce_tree); + break; + } + if (!parsed) break; + extlen_total -= parsed; + offset += parsed; + } + + destcount = (tvb_reported_length(tvb) - hlen) / 4; + offset = hlen; + if (destcount > 0) { + destlist = proto_tree_add_item(announce_tree, hf_uftp_destlist, tvb, offset, destcount * 4, ENC_NA); + destlist_tree = proto_item_add_subtree(destlist, ett_uftp_destlist); + } + for (idx = 0; idx < destcount; idx++) { + proto_tree_add_item(destlist_tree, hf_uftp_dest, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } +} + +static void dissect_uftp_register(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *destlist = NULL; + proto_tree *register_tree = NULL; + proto_tree *destlist_tree = NULL; + gint offset = 0, hlen; + guint16 destcount, keylen, idx; + + if (tvb_reported_length(tvb) < REGISTER_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + keylen = tvb_get_ntohs(tvb, 2); + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < REGISTER_LEN + keylen)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d, keylen = %d", + tvb_reported_length(tvb), hlen, keylen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_register, tvb, offset, -1, ENC_NA); + register_tree = proto_item_add_subtree(ti, ett_uftp_register); + proto_tree_add_item(register_tree, hf_uftp_register_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(register_tree, hf_uftp_register_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(register_tree, hf_uftp_register_keyinfo_len, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(register_tree, hf_uftp_register_tstamp, tvb, offset, 8, ENC_TIME_SECS_USECS); + offset += 8; + proto_tree_add_item(register_tree, hf_uftp_register_rand2, tvb, offset, RAND_LEN, ENC_NA); + offset += RAND_LEN; + if (keylen > 0) { + proto_tree_add_item(register_tree, hf_uftp_register_keyinfo, tvb, offset, keylen, ENC_NA); + } + + destcount = (tvb_reported_length(tvb) - hlen) / 4; + offset = hlen; + if (destcount > 0) { + destlist = proto_tree_add_item(register_tree, hf_uftp_destlist, tvb, offset, destcount * 4, ENC_NA); + destlist_tree = proto_item_add_subtree(destlist, ett_uftp_destlist); + } + for (idx = 0; idx < destcount; idx++) { + proto_tree_add_item(destlist_tree, hf_uftp_dest, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } +} + +static void dissect_uftp_clientkey(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *clientkey_tree = NULL; + gint offset = 0, hlen; + guint16 keylen, verifylen; + gint8 blobtype; + tvbuff_t *next_tvb; + + if (tvb_reported_length(tvb) < CLIENT_KEY_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + keylen = tvb_get_ntohs(tvb, 4); + verifylen = tvb_get_ntohs(tvb, 6); + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < CLIENT_KEY_LEN + keylen + verifylen)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d, keylen = %d verifylen = %d", + tvb_reported_length(tvb), hlen, keylen, verifylen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_clientkey, tvb, offset, -1, ENC_NA); + clientkey_tree = proto_item_add_subtree(ti, ett_uftp_clientkey); + proto_tree_add_item(clientkey_tree, hf_uftp_clientkey_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(clientkey_tree, hf_uftp_clientkey_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(clientkey_tree, hf_uftp_clientkey_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(clientkey_tree, hf_uftp_clientkey_bloblen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(clientkey_tree, hf_uftp_clientkey_siglen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + if (keylen > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, keylen); + blobtype = tvb_get_guint8(tvb, offset); + switch (blobtype) { + case KEYBLOB_RSA: + parsed = dissect_uftp_rsablob(next_tvb, pinfo, clientkey_tree, hf_uftp_clientkey_keyblob); + break; + case KEYBLOB_EC: + parsed = dissect_uftp_ecblob(next_tvb, pinfo, clientkey_tree, hf_uftp_clientkey_keyblob); + break; + } + offset += parsed; + } + if (verifylen > 0) { + proto_tree_add_item(clientkey_tree, hf_uftp_clientkey_verify, tvb, offset, verifylen, ENC_NA); + } +} + +static void dissect_uftp_regconf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *destlist = NULL; + proto_tree *regconf_tree = NULL; + proto_tree *destlist_tree = NULL; + gint offset = 0, hlen; + guint16 destcount, idx; + + if (tvb_reported_length(tvb) < REG_CONF_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < REG_CONF_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_regconf, tvb, offset, -1, ENC_NA); + regconf_tree = proto_item_add_subtree(ti, ett_uftp_regconf); + proto_tree_add_item(regconf_tree, hf_uftp_regconf_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(regconf_tree, hf_uftp_regconf_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(regconf_tree, hf_uftp_regconf_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + + destcount = (tvb_reported_length(tvb) - hlen) / 4; + offset = hlen; + if (destcount > 0) { + destlist = proto_tree_add_item(regconf_tree, hf_uftp_destlist, tvb, offset, destcount * 4, ENC_NA); + destlist_tree = proto_item_add_subtree(destlist, ett_uftp_destlist); + } + for (idx = 0; idx < destcount; idx++) { + proto_tree_add_item(destlist_tree, hf_uftp_dest, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } +} + +static void dissect_uftp_keyinfo(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *destlist = NULL; + proto_item *destkey = NULL; + proto_tree *keyinfo_tree = NULL; + proto_tree *destlist_tree = NULL; + proto_tree *destkey_tree = NULL; + gint offset = 0, hlen; + guint8 destcount, idx; + + if (tvb_reported_length(tvb) < KEYINFO_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < KEYINFO_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_keyinfo, tvb, offset, -1, ENC_NA); + keyinfo_tree = proto_item_add_subtree(ti, ett_uftp_keyinfo); + proto_tree_add_item(keyinfo_tree, hf_uftp_keyinfo_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(keyinfo_tree, hf_uftp_keyinfo_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(keyinfo_tree, hf_uftp_keyinfo_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(keyinfo_tree, hf_uftp_keyinfo_ivctr, tvb, offset, 8, ENC_BIG_ENDIAN); + + destcount = (tvb_reported_length(tvb) - hlen) / DESTKEY_LEN; + offset = hlen; + if (destcount > 0) { + destlist = proto_tree_add_item(keyinfo_tree, hf_uftp_destlist, tvb, offset, destcount * DESTKEY_LEN, ENC_NA); + destlist_tree = proto_item_add_subtree(destlist, ett_uftp_destlist); + } + for (idx = 0; idx < destcount; idx++) { + destkey = proto_tree_add_item(destlist_tree, hf_uftp_keyinfo_destkey, tvb, offset, DESTKEY_LEN, ENC_NA); + destkey_tree = proto_item_add_subtree(destkey, ett_uftp_keyinfo_destkey); + proto_tree_add_item(destkey_tree, hf_uftp_keyinfo_destid, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(destkey_tree, hf_uftp_keyinfo_groupmaster, tvb, offset, 48, ENC_NA); + offset += 48; + } +} + +static void dissect_uftp_keyinfoack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *keyinfoack_tree = NULL; + gint offset = 0, hlen; + + if (tvb_reported_length(tvb) < KEYINFO_ACK_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < KEYINFO_ACK_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_keyinfoack, tvb, offset, -1, ENC_NA); + keyinfoack_tree = proto_item_add_subtree(ti, ett_uftp_keyinfoack); + proto_tree_add_item(keyinfoack_tree, hf_uftp_keyinfoack_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(keyinfoack_tree, hf_uftp_keyinfoack_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(keyinfoack_tree, hf_uftp_keyinfoack_reserved, tvb, offset, 3, ENC_BIG_ENDIAN); + offset += 3; + proto_tree_add_item(keyinfoack_tree, hf_uftp_keyinfoack_verify_data, tvb, offset, VERIFY_LEN, ENC_NA); +} + +static void dissect_uftp_fileinfo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *destlist = NULL; + proto_tree *fileinfo_tree = NULL; + proto_tree *destlist_tree = NULL; + gint offset = 0, hlen; + guint16 file_id, destcount, idx, namelen, linklen; + + if (tvb_reported_length(tvb) < FILEINFO_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + namelen = tvb_get_guint8(tvb, 8) * 4; + linklen = tvb_get_guint8(tvb, 9) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < FILEINFO_LEN + namelen + linklen)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d, namelen = %d, linklen = %d", + tvb_reported_length(tvb), hlen, namelen, linklen); + return; + } + + file_id = tvb_get_ntohs(tvb, 2); + col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X", file_id); + + ti = proto_tree_add_item(tree, hf_uftp_fileinfo, tvb, offset, -1, ENC_NA); + fileinfo_tree = proto_item_add_subtree(ti, ett_uftp_fileinfo); + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(fileinfo_tree, hf_uftp_fileinfo_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_file_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_ftype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_reserved, tvb, offset, 3, ENC_BIG_ENDIAN); + offset += 3; + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_namelen, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_linklen, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_fsize, tvb, offset, 6, ENC_BIG_ENDIAN); + offset += 6; + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_ftstamp, tvb, offset, 4, ENC_TIME_SECS); + offset += 4; + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_tstamp, tvb, offset, 8, ENC_TIME_SECS_USECS); + offset += 8; + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_name, tvb, offset, namelen, ENC_ASCII); + offset += namelen; + if (linklen > 0) { + proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_link, tvb, offset, linklen, ENC_ASCII); + } + + destcount = (tvb_reported_length(tvb) - hlen) / 4; + offset = hlen; + if (destcount > 0) { + destlist = proto_tree_add_item(fileinfo_tree, hf_uftp_destlist, tvb, offset, destcount * 4, ENC_NA); + destlist_tree = proto_item_add_subtree(destlist, ett_uftp_destlist); + } + for (idx = 0; idx < destcount; idx++) { + proto_tree_add_item(destlist_tree, hf_uftp_dest, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } +} + +static void dissect_uftp_fileinfoack(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *destlist = NULL; + proto_tree *fileinfoack_tree = NULL; + proto_tree *destlist_tree = NULL; + gint offset = 0, hlen; + guint16 file_id, destcount, idx; + + if (tvb_reported_length(tvb) < FILEINFO_ACK_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < FILEINFO_ACK_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + file_id = tvb_get_ntohs(tvb, 2); + if (file_id > 0) { + col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X", file_id); + } + + ti = proto_tree_add_item(tree, hf_uftp_fileinfoack, tvb, offset, -1, ENC_NA); + fileinfoack_tree = proto_item_add_subtree(ti, ett_uftp_fileinfoack); + proto_tree_add_item(fileinfoack_tree, hf_uftp_fileinfoack_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(fileinfoack_tree, hf_uftp_fileinfoack_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(fileinfoack_tree, hf_uftp_fileinfoack_file_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_bitmask(fileinfoack_tree, tvb, offset, hf_uftp_fileinfoack_flags, ett_uftp_fileinfoack_flags, fileinfoack_flags, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(fileinfoack_tree, hf_uftp_fileinfoack_reserved, tvb, offset, 3, ENC_BIG_ENDIAN); + offset += 3; + proto_tree_add_item(fileinfoack_tree, hf_uftp_fileinfoack_tstamp, tvb, offset, 8, ENC_TIME_SECS_USECS); + + destcount = (tvb_reported_length(tvb) - hlen) / 4; + offset = hlen; + if (destcount > 0) { + destlist = proto_tree_add_item(fileinfoack_tree, hf_uftp_destlist, tvb, offset, destcount * 4, ENC_NA); + destlist_tree = proto_item_add_subtree(destlist, ett_uftp_destlist); + } + for (idx = 0; idx < destcount; idx++) { + proto_tree_add_item(destlist_tree, hf_uftp_dest, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } +} + +static gint dissect_uftp_tfmccdata(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *tfmccdata_tree = NULL; + gint offset = 0, hlen; + guint rate, srate; + + if (tvb_reported_length(tvb) < TFMCC_DATA_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return 0; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < TFMCC_DATA_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return 0; + } + + rate = unquantize_rate(tvb_get_ntohs(tvb, 6)); + srate = unquantize_rate(tvb_get_ntohs(tvb, 2)); + + ti = proto_tree_add_item(tree, hf_uftp_tfmccdata, tvb, offset, TFMCC_DATA_LEN, ENC_NA); + tfmccdata_tree = proto_item_add_subtree(ti, ett_uftp_tfmccdata); + proto_tree_add_item(tfmccdata_tree, hf_uftp_tfmccdata_exttype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(tfmccdata_tree, hf_uftp_tfmccdata_extlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_uint(tfmccdata_tree, hf_uftp_tfmccdata_send_rate, tvb, offset, 2, srate); + offset += 2; + proto_tree_add_item(tfmccdata_tree, hf_uftp_tfmccdata_cc_seq, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_uint(tfmccdata_tree, hf_uftp_tfmccdata_cc_rate, tvb, offset, 2, rate); + + return TFMCC_DATA_LEN; +} + +static void dissect_uftp_fileseg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *fileseg_tree = NULL; + gint offset = 0, hlen, extlen_total; + guint16 file_id, section, sec_block; + guint8 ext_type; + tvbuff_t *next_tvb; + + if (tvb_reported_length(tvb) < FILESEG_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < FILESEG_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + file_id = tvb_get_ntohs(tvb, 2); + section = tvb_get_ntohs(tvb, 4); + sec_block = tvb_get_ntohs(tvb, 6); + col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X Section=%d Block=%d", + file_id, section, sec_block); + + ti = proto_tree_add_item(tree, hf_uftp_fileseg, tvb, offset, -1, ENC_NA); + fileseg_tree = proto_item_add_subtree(ti, ett_uftp_fileseg); + proto_tree_add_item(fileseg_tree, hf_uftp_fileseg_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(fileseg_tree, hf_uftp_fileseg_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(fileseg_tree, hf_uftp_fileseg_file_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(fileseg_tree, hf_uftp_fileseg_section, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(fileseg_tree, hf_uftp_fileseg_sec_block, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + extlen_total = hlen - FILESEG_LEN; + while (extlen_total > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, extlen_total); + ext_type = tvb_get_guint8(tvb, offset); + switch (ext_type) { + case EXT_TFMCC_DATA_INFO: + parsed = dissect_uftp_tfmccdata(next_tvb, pinfo, fileseg_tree); + break; + } + if (!parsed) break; + extlen_total -= parsed; + offset += parsed; + } + + offset = hlen; + proto_tree_add_item(fileseg_tree, hf_uftp_fileseg_data, tvb, offset, -1, ENC_NA); +} + +static void dissect_uftp_done(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *destlist = NULL; + proto_tree *done_tree = NULL; + proto_tree *destlist_tree = NULL; + gint offset = 0, hlen; + guint16 file_id, section, destcount, idx; + + if (tvb_reported_length(tvb) < DONE_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < DONE_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + file_id = tvb_get_ntohs(tvb, 2); + section = tvb_get_ntohs(tvb, 6); + if (file_id > 0) { + col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X Section=%d", + file_id, section); + } + + ti = proto_tree_add_item(tree, hf_uftp_done, tvb, offset, -1, ENC_NA); + done_tree = proto_item_add_subtree(ti, ett_uftp_done); + proto_tree_add_item(done_tree, hf_uftp_done_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(done_tree, hf_uftp_done_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(done_tree, hf_uftp_done_file_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(done_tree, hf_uftp_done_section, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(done_tree, hf_uftp_done_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + + destcount = (tvb_reported_length(tvb) - hlen) / 4; + offset = hlen; + if (destcount > 0) { + destlist = proto_tree_add_item(done_tree, hf_uftp_destlist, tvb, offset, destcount * 4, ENC_NA); + destlist_tree = proto_item_add_subtree(destlist, ett_uftp_destlist); + } + for (idx = 0; idx < destcount; idx++) { + proto_tree_add_item(destlist_tree, hf_uftp_dest, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } +} + +static gint dissect_uftp_tfmccack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *tfmccack_tree = NULL; + gint offset = 0, hlen; + guint rate; + + if (tvb_reported_length(tvb) < TFMCC_ACK_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return 0; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < TFMCC_ACK_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return 0; + } + + rate = unquantize_rate(tvb_get_ntohs(tvb, 6)); + + ti = proto_tree_add_item(tree, hf_uftp_tfmccack, tvb, offset, TFMCC_ACK_LEN, ENC_NA); + tfmccack_tree = proto_item_add_subtree(ti, ett_uftp_tfmccack); + proto_tree_add_item(tfmccack_tree, hf_uftp_tfmccack_exttype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(tfmccack_tree, hf_uftp_tfmccack_extlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_bitmask(tfmccack_tree, tvb, offset, hf_uftp_tfmccack_flags, ett_uftp_tfmccack_flags, tfmcc_ack_flags, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(tfmccack_tree, hf_uftp_tfmccack_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(tfmccack_tree, hf_uftp_tfmccack_cc_seq, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_uint(tfmccack_tree, hf_uftp_tfmccack_cc_rate, tvb, offset, 2, rate); + offset += 2; + proto_tree_add_item(tfmccack_tree, hf_uftp_tfmccack_client_id, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(tfmccack_tree, hf_uftp_tfmccack_tstamp, tvb, offset, 8, ENC_TIME_SECS_USECS); + + return TFMCC_ACK_LEN; +} + +static void dissect_uftp_status(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *status_tree = NULL; + gint offset = 0, hlen, extlen_total; + guint16 file_id, section; + guint8 ext_type; + tvbuff_t *next_tvb; + + if (tvb_reported_length(tvb) < STATUS_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < STATUS_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + file_id = tvb_get_ntohs(tvb, 2); + section = tvb_get_ntohs(tvb, 4); + col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X Section=%d", + file_id, section); + + ti = proto_tree_add_item(tree, hf_uftp_status, tvb, offset, -1, ENC_NA); + status_tree = proto_item_add_subtree(ti, ett_uftp_status); + proto_tree_add_item(status_tree, hf_uftp_status_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(status_tree, hf_uftp_status_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(status_tree, hf_uftp_status_file_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(status_tree, hf_uftp_status_section, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(status_tree, hf_uftp_status_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + extlen_total = hlen - STATUS_LEN; + while (extlen_total > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, extlen_total); + ext_type = tvb_get_guint8(tvb, offset); + switch (ext_type) { + case EXT_TFMCC_ACK_INFO: + parsed = dissect_uftp_tfmccack(next_tvb, pinfo, status_tree); + break; + } + if (!parsed) break; + extlen_total -= parsed; + offset += parsed; + } + + offset = hlen; + proto_tree_add_item(status_tree, hf_uftp_status_naks, tvb, offset, -1, ENC_NA); +} + +static gint dissect_uftp_freespace(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *freespace_tree = NULL; + gint offset = 0, hlen; + + if (tvb_reported_length(tvb) < FREESPACE_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return 0; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < FREESPACE_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return 0; + } + + ti = proto_tree_add_item(tree, hf_uftp_freespace, tvb, offset, FREESPACE_LEN, ENC_NA); + freespace_tree = proto_item_add_subtree(ti, ett_uftp_freespace); + proto_tree_add_item(freespace_tree, hf_uftp_freespace_exttype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(freespace_tree, hf_uftp_freespace_extlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(freespace_tree, hf_uftp_freespace_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(freespace_tree, hf_uftp_freespace_freespace, tvb, offset, 8, ENC_BIG_ENDIAN); + + return FREESPACE_LEN; +} + +static void dissect_uftp_complete(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *destlist = NULL; + proto_tree *complete_tree = NULL; + proto_tree *destlist_tree = NULL; + gint offset = 0, hlen, extlen_total; + guint16 file_id, destcount, idx; + guint8 ext_type; + tvbuff_t *next_tvb; + + if (tvb_reported_length(tvb) < COMPLETE_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < COMPLETE_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + file_id = tvb_get_ntohs(tvb, 2); + if (file_id > 0) { + col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X", file_id); + } + + ti = proto_tree_add_item(tree, hf_uftp_complete, tvb, offset, -1, ENC_NA); + complete_tree = proto_item_add_subtree(ti, ett_uftp_complete); + proto_tree_add_item(complete_tree, hf_uftp_complete_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(complete_tree, hf_uftp_complete_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(complete_tree, hf_uftp_complete_file_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(complete_tree, hf_uftp_complete_status, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(complete_tree, hf_uftp_complete_reserved, tvb, offset, 3, ENC_BIG_ENDIAN); + offset += 3; + + extlen_total = hlen - COMPLETE_LEN; + while (extlen_total > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, extlen_total); + ext_type = tvb_get_guint8(tvb, offset); + switch (ext_type) { + case EXT_FREESPACE_INFO: + parsed = dissect_uftp_freespace(next_tvb, pinfo, complete_tree); + break; + } + if (!parsed) break; + extlen_total -= parsed; + offset += parsed; + } + + destcount = (tvb_reported_length(tvb) - hlen) / 4; + offset = hlen; + if (destcount > 0) { + destlist = proto_tree_add_item(complete_tree, hf_uftp_destlist, tvb, offset, destcount * 4, ENC_NA); + destlist_tree = proto_item_add_subtree(destlist, ett_uftp_destlist); + } + for (idx = 0; idx < destcount; idx++) { + proto_tree_add_item(destlist_tree, hf_uftp_dest, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } +} + +static void dissect_uftp_doneconf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *destlist = NULL; + proto_tree *doneconf_tree = NULL; + proto_tree *destlist_tree = NULL; + gint offset = 0, hlen; + guint16 destcount, idx; + + if (tvb_reported_length(tvb) < DONE_CONF_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < DONE_CONF_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_doneconf, tvb, offset, -1, ENC_NA); + doneconf_tree = proto_item_add_subtree(ti, ett_uftp_doneconf); + proto_tree_add_item(doneconf_tree, hf_uftp_doneconf_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(doneconf_tree, hf_uftp_doneconf_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(doneconf_tree, hf_uftp_doneconf_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + + destcount = (tvb_reported_length(tvb) - hlen) / 4; + offset = hlen; + if (destcount > 0) { + destlist = proto_tree_add_item(doneconf_tree, hf_uftp_destlist, tvb, offset, destcount * 4, ENC_NA); + destlist_tree = proto_item_add_subtree(destlist, ett_uftp_destlist); + } + for (idx = 0; idx < destcount; idx++) { + proto_tree_add_item(destlist_tree, hf_uftp_dest, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } +} + +static void dissect_uftp_hbreq(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *hbreq_tree = NULL; + gint offset = 0, hlen; + guint16 keylen, siglen; + gint8 blobtype; + tvbuff_t *next_tvb; + + if (tvb_reported_length(tvb) < HB_REQ_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + keylen = tvb_get_ntohs(tvb, 4); + siglen = tvb_get_ntohs(tvb, 6); + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < HB_REQ_LEN + keylen + siglen)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d, keylen=%d siglen=%d", + tvb_reported_length(tvb), hlen, keylen, siglen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_hbreq, tvb, offset, -1, ENC_NA); + hbreq_tree = proto_item_add_subtree(ti, ett_uftp_hbreq); + proto_tree_add_item(hbreq_tree, hf_uftp_hbreq_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(hbreq_tree, hf_uftp_hbreq_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(hbreq_tree, hf_uftp_hbreq_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(hbreq_tree, hf_uftp_hbreq_bloblen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(hbreq_tree, hf_uftp_hbreq_siglen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(hbreq_tree, hf_uftp_hbreq_nonce, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + if (keylen > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, keylen); + blobtype = tvb_get_guint8(tvb, offset); + switch (blobtype) { + case KEYBLOB_RSA: + parsed = dissect_uftp_rsablob(next_tvb, pinfo, hbreq_tree, hf_uftp_hbreq_keyblob); + break; + case KEYBLOB_EC: + parsed = dissect_uftp_ecblob(next_tvb, pinfo, hbreq_tree, hf_uftp_hbreq_keyblob); + break; + } + offset += parsed; + } + if (siglen > 0) { + proto_tree_add_item(hbreq_tree, hf_uftp_hbreq_verify, tvb, offset, siglen, ENC_NA); + } +} + +static void dissect_uftp_hbresp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *hbresp_tree = NULL; + gint offset = 0, hlen; + + if (tvb_reported_length(tvb) < HB_RESP_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < HB_RESP_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_hbresp, tvb, offset, -1, ENC_NA); + hbresp_tree = proto_item_add_subtree(ti, ett_uftp_hbresp); + proto_tree_add_item(hbresp_tree, hf_uftp_hbresp_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(hbresp_tree, hf_uftp_hbresp_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(hbresp_tree, hf_uftp_hbresp_authenticated, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(hbresp_tree, hf_uftp_hbresp_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(hbresp_tree, hf_uftp_hbresp_nonce, tvb, offset, 4, ENC_BIG_ENDIAN); +} + +static void dissect_uftp_keyreq(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *keyreq_tree = NULL; + gint offset = 0, hlen; + + if (tvb_reported_length(tvb) < KEY_REQ_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < KEY_REQ_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_keyreq, tvb, offset, -1, ENC_NA); + keyreq_tree = proto_item_add_subtree(ti, ett_uftp_keyreq); + proto_tree_add_item(keyreq_tree, hf_uftp_keyreq_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(keyreq_tree, hf_uftp_keyreq_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(keyreq_tree, hf_uftp_keyreq_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); +} + +static void dissect_uftp_proxykey(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *proxykey_tree = NULL; + gint offset = 0, hlen; + guint16 keylen, dhlen, siglen; + gint8 blobtype; + tvbuff_t *next_tvb; + + if (tvb_reported_length(tvb) < PROXY_KEY_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + keylen = tvb_get_ntohs(tvb, 2); + dhlen = tvb_get_ntohs(tvb, 4); + siglen = tvb_get_ntohs(tvb, 6); + if (((gint)tvb_reported_length(tvb) < hlen) || + (hlen < PROXY_KEY_LEN + keylen + dhlen + siglen)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d, keylen=%d, dhlen=%d, siglen=%d", + tvb_reported_length(tvb), hlen, keylen, dhlen, siglen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_proxykey, tvb, offset, -1, ENC_NA); + proxykey_tree = proto_item_add_subtree(ti, ett_uftp_proxykey); + proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(proxykey_tree, hf_uftp_proxykey_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_bloblen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_dhlen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_siglen, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_nonce, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + if (keylen > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, keylen); + blobtype = tvb_get_guint8(tvb, offset); + switch (blobtype) { + case KEYBLOB_RSA: + parsed = dissect_uftp_rsablob(next_tvb, pinfo, proxykey_tree, hf_uftp_proxykey_keyblob); + break; + case KEYBLOB_EC: + parsed = dissect_uftp_ecblob(next_tvb, pinfo, proxykey_tree, hf_uftp_proxykey_keyblob); + break; + } + offset += parsed; + } + if (dhlen > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, dhlen); + blobtype = tvb_get_guint8(tvb, offset); + switch (blobtype) { + case KEYBLOB_RSA: + parsed = dissect_uftp_rsablob(next_tvb, pinfo, proxykey_tree, hf_uftp_proxykey_dhblob); + break; + case KEYBLOB_EC: + parsed = dissect_uftp_ecblob(next_tvb, pinfo, proxykey_tree, hf_uftp_proxykey_dhblob); + break; + } + offset += parsed; + } + if (siglen > 0) { + proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_verify, tvb, offset, siglen, ENC_NA); + } +} + +static void dissect_uftp_congctrl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_item *cclist = NULL; + proto_item *ccitem = NULL; + proto_tree *congctrl_tree = NULL; + proto_tree *cclist_tree = NULL; + proto_tree *ccitem_tree = NULL; + gint offset = 0, hlen; + guint rate; + guint8 itemcount, idx; + + if (tvb_reported_length(tvb) < CONG_CTRL_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < CONG_CTRL_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + rate = unquantize_rate(tvb_get_ntohs(tvb, 6)); + + ti = proto_tree_add_item(tree, hf_uftp_congctrl, tvb, offset, -1, ENC_NA); + congctrl_tree = proto_item_add_subtree(ti, ett_uftp_congctrl); + proto_tree_add_item(congctrl_tree, hf_uftp_congctrl_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(congctrl_tree, hf_uftp_congctrl_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(congctrl_tree, hf_uftp_congctrl_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(congctrl_tree, hf_uftp_congctrl_cc_seq, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_uint(congctrl_tree, hf_uftp_congctrl_cc_rate, tvb, offset, 2, rate); + offset += 2; + proto_tree_add_item(congctrl_tree, hf_uftp_congctrl_tstamp, tvb, offset, 8, ENC_TIME_SECS_USECS); + + itemcount = (tvb_reported_length(tvb) - hlen) / CC_ITEM_LEN; + offset = hlen; + if (itemcount > 0) { + cclist = proto_tree_add_item(congctrl_tree, hf_uftp_congctrl_cclist, tvb, offset, itemcount * CC_ITEM_LEN, ENC_NA); + cclist_tree = proto_item_add_subtree(cclist, ett_uftp_congctrl_cclist); + } + for (idx = 0; idx < itemcount; idx++) { + guint itemrate; + double itemrtt; + itemrtt = unquantize_grtt(tvb_get_guint8(tvb, offset + 5)); + itemrate = unquantize_rate(tvb_get_ntohs(tvb, offset + 6)); + + ccitem = proto_tree_add_item(cclist_tree, hf_uftp_congctrl_item, tvb, offset, CC_ITEM_LEN, ENC_NA); + ccitem_tree = proto_item_add_subtree(ccitem, ett_uftp_congctrl_item); + proto_tree_add_item(ccitem_tree, hf_uftp_congctrl_item_destid, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_bitmask(ccitem_tree, tvb, offset, hf_uftp_congctrl_item_flags, ett_uftp_congctrl_item_flags, cc_item_flags, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_double(ccitem_tree, hf_uftp_congctrl_item_rtt, tvb, offset, 1, itemrtt); + offset += 1; + proto_tree_add_uint(ccitem_tree, hf_uftp_congctrl_item_rate, tvb, offset, 2, itemrate); + offset += 2; + } +} + +static void dissect_uftp_ccack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *ccack_tree = NULL; + gint offset = 0, hlen, extlen_total; + guint8 ext_type; + tvbuff_t *next_tvb; + + if (tvb_reported_length(tvb) < CC_ACK_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < CC_ACK_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_ccack, tvb, offset, -1, ENC_NA); + ccack_tree = proto_item_add_subtree(ti, ett_uftp_ccack); + proto_tree_add_uint_format_value(ccack_tree, hf_uftp_ccack_func, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_item(ccack_tree, hf_uftp_ccack_hlen, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(ccack_tree, hf_uftp_ccack_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + extlen_total = hlen - CC_ACK_LEN; + while (extlen_total > 0) { + gint parsed = 0; + + next_tvb = tvb_new_subset_length(tvb, offset, extlen_total); + ext_type = tvb_get_guint8(tvb, offset); + switch (ext_type) { + case EXT_TFMCC_ACK_INFO: + parsed = dissect_uftp_tfmccack(next_tvb, pinfo, ccack_tree); + break; + } + if (!parsed) break; + extlen_total -= parsed; + offset += parsed; + } +} + +static void dissect_uftp_encrypted(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *encrypted_tree = NULL; + gint offset = 0; + guint16 sig_len, payload_len; + + if (tvb_reported_length(tvb) < ENCRYPTED_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + sig_len = tvb_get_ntohs(tvb, 8); + payload_len = tvb_get_ntohs(tvb, 10); + if ((gint)tvb_reported_length(tvb) < ENCRYPTED_LEN + sig_len + payload_len) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, sig=%d, payload=%d", + tvb_reported_length(tvb), sig_len, payload_len); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_encrypted, tvb, offset, -1, ENC_NA); + encrypted_tree = proto_item_add_subtree(ti, ett_uftp_encrypted); + proto_tree_add_item(encrypted_tree, hf_uftp_encrypted_ivctr, tvb, offset, 8, ENC_BIG_ENDIAN); + offset += 8; + proto_tree_add_item(encrypted_tree, hf_uftp_encrypted_sig_len, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(encrypted_tree, hf_uftp_encrypted_payload_len, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(encrypted_tree, hf_uftp_encrypted_signature, tvb, offset, sig_len, ENC_NA); + offset += sig_len; + proto_tree_add_item(encrypted_tree, hf_uftp_encrypted_payload, tvb, offset, payload_len, ENC_NA); +} + +static void dissect_uftp_abort(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *ti = NULL; + proto_tree *abort_tree = NULL; + gint offset = 0, hlen; + + if (tvb_reported_length(tvb) < ABORT_LEN) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length: %d", tvb_reported_length(tvb)); + return; + } + + hlen = (gint)tvb_get_guint8(tvb, 1) * 4; + if (((gint)tvb_reported_length(tvb) < hlen) || (hlen < ABORT_LEN)) { + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1, + "Invalid length, len = %d, hlen = %d", + tvb_reported_length(tvb), hlen); + return; + } + + ti = proto_tree_add_item(tree, hf_uftp_abort, tvb, offset, -1, ENC_NA); + abort_tree = proto_item_add_subtree(ti, ett_uftp_abort); + proto_tree_add_item(abort_tree, hf_uftp_abort_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_uint_format_value(abort_tree, hf_uftp_abort_hlen, tvb, offset, 1, hlen, "%d bytes (%d)", hlen, hlen/4); + offset += 1; + proto_tree_add_bitmask(abort_tree, tvb, offset, hf_uftp_abort_flags, ett_uftp_abort_flags, abort_flags, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(abort_tree, hf_uftp_abort_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(abort_tree, hf_uftp_abort_clientid, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(abort_tree, hf_uftp_abort_message, tvb, offset, -1, ENC_ASCII); +} + +static int dissect_uftp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) +{ + guint8 version; + guint8 mes_type; + guint32 group_id; + tvbuff_t *next_tvb; + proto_item *ti = NULL; + proto_tree *uftp_tree = NULL; + gint offset = 0; + guint l_gsize; + double grtt; + + if (tvb_reported_length(tvb) < UFTP_LEN + 4) { + return 0; + } + + version = tvb_get_guint8(tvb, 0); + mes_type = tvb_get_guint8(tvb, 1); + group_id = tvb_get_ntohl(tvb, 8); + + if (version != UFTP_VER_NUM) { + return 0; + } + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "UFTP"); + /* Clear out stuff in the info column */ + col_clear(pinfo->cinfo,COL_INFO); + col_add_fstr(pinfo->cinfo, COL_INFO, "%-12s", + val_to_str(mes_type, messages, "Unknown (%d)")); + if ((mes_type != HB_REQ) && (mes_type != HB_RESP)) { + col_append_fstr(pinfo->cinfo, COL_INFO, " ID=%08X", group_id); + } + + grtt = unquantize_grtt(tvb_get_guint8(tvb, 13)); + l_gsize = unquantize_gsize(tvb_get_guint8(tvb, 14)); + + ti = proto_tree_add_item(tree, proto_uftp, tvb, 0, -1, ENC_NA); + uftp_tree = proto_item_add_subtree(ti, ett_uftp); + proto_tree_add_item(uftp_tree, hf_uftp_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(uftp_tree, hf_uftp_func, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(uftp_tree, hf_uftp_seq, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(uftp_tree, hf_uftp_src_id, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(uftp_tree, hf_uftp_group_id, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(uftp_tree, hf_uftp_group_inst, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_double(uftp_tree, hf_uftp_grtt, tvb, offset, 1, grtt); + offset += 1; + proto_tree_add_uint(uftp_tree, hf_uftp_gsize, tvb, offset, 1, l_gsize); + offset += 1; + proto_tree_add_item(uftp_tree, hf_uftp_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + next_tvb = tvb_new_subset_length(tvb, offset, tvb_reported_length(tvb) - UFTP_LEN); + + switch (mes_type) { + case ANNOUNCE: + dissect_uftp_announce(next_tvb, pinfo, uftp_tree); + break; + case REGISTER: + dissect_uftp_register(next_tvb, pinfo, uftp_tree); + break; + case CLIENT_KEY: + dissect_uftp_clientkey(next_tvb, pinfo, uftp_tree); + break; + case REG_CONF: + dissect_uftp_regconf(next_tvb, pinfo, uftp_tree); + break; + case KEYINFO: + dissect_uftp_keyinfo(next_tvb, pinfo, uftp_tree); + break; + case KEYINFO_ACK: + dissect_uftp_keyinfoack(next_tvb, pinfo, uftp_tree); + break; + case FILEINFO: + dissect_uftp_fileinfo(next_tvb, pinfo, uftp_tree); + break; + case FILEINFO_ACK: + dissect_uftp_fileinfoack(next_tvb, pinfo, uftp_tree); + break; + case FILESEG: + dissect_uftp_fileseg(next_tvb, pinfo, uftp_tree); + break; + case DONE: + dissect_uftp_done(next_tvb, pinfo, uftp_tree); + break; + case STATUS: + dissect_uftp_status(next_tvb, pinfo, uftp_tree); + break; + case COMPLETE: + dissect_uftp_complete(next_tvb, pinfo, uftp_tree); + break; + case DONE_CONF: + dissect_uftp_doneconf(next_tvb, pinfo, uftp_tree); + break; + case HB_REQ: + dissect_uftp_hbreq(next_tvb, pinfo, uftp_tree); + break; + case HB_RESP: + dissect_uftp_hbresp(next_tvb, pinfo, uftp_tree); + break; + case KEY_REQ: + dissect_uftp_keyreq(next_tvb, pinfo, uftp_tree); + break; + case PROXY_KEY: + dissect_uftp_proxykey(next_tvb, pinfo, uftp_tree); + break; + case CONG_CTRL: + dissect_uftp_congctrl(next_tvb, pinfo, uftp_tree); + break; + case CC_ACK: + dissect_uftp_ccack(next_tvb, pinfo, uftp_tree); + break; + case ENCRYPTED: + dissect_uftp_encrypted(next_tvb, pinfo, uftp_tree); + break; + case ABORT: + dissect_uftp_abort(next_tvb, pinfo, uftp_tree); + break; + default: + proto_tree_add_expert_format(tree, pinfo, &ei_uftp_func_unknown, tvb, offset, -1, + "Function unknown: %d", mes_type); + break; + } + + return tvb_reported_length(tvb); +} + +void proto_register_uftp4(void) +{ + static hf_register_info hf[] = { + { &hf_uftp_version, + { "Protocol Version", "uftp4.version", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_func, + { "Type", "uftp4.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_seq, + { "Sequence Number", "uftp4.seq", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_src_id, + { "Source ID", "uftp4.src_id", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_group_id, + { "Group ID", "uftp4.group_id", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_group_inst, + { "Group Instance ID", "uftp4.group_inst", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_grtt, + { "Group Round Trip Time", "uftp4.grtt", + FT_DOUBLE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_gsize, + { "Group Size", "uftp4.gsize", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_reserved, + { "Reserved", "uftp4.reserved", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_destlist, + { "Destination List", "uftp4.destlist", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_dest, + { "Destination", "uftp4.dest", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce, + { "ANNOUNCE", "uftp4.announce", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_func, + { "Type", "uftp4.announce.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_hlen, + { "Header Length", "uftp4.announce.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_flags, + { "Flags", "uftp4.announce.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_flags_sync, + { "Sync mode", "uftp4.announce.flags.sync", + FT_BOOLEAN, 8, NULL, FLAG_SYNC_MODE, NULL, HFILL } + }, + { &hf_uftp_announce_flags_syncpreview, + { "Sync preview mode", "uftp4.announce.flags.syncpreview", + FT_BOOLEAN, 8, NULL, FLAG_SYNC_PREVIEW, NULL, HFILL } + }, + { &hf_uftp_announce_flags_ipv6, + { "IPv6", "uftp4.announce.flags.ipv6", + FT_BOOLEAN, 8, NULL, FLAG_IPV6, NULL, HFILL } + }, + { &hf_uftp_announce_flags_reserved, + { "Reserved", "uftp4.announce.flags.reserved", + FT_UINT8, BASE_HEX, NULL, FLAG_ANNOUNCE_RESERVED, NULL, HFILL } + }, + { &hf_uftp_announce_robust, + { "Robustness Factor", "uftp4.announce.robust", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_cc_type, + { "Congestion Control Type", "uftp4.announce.cc_type", + FT_UINT8, BASE_DEC, VALS(cc_types), 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_reserved, + { "Reserved", "uftp4.announce.reserved", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_blocksize, + { "Block Size", "uftp4.announce.blocksize", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_tstamp, + { "Timestamp", "uftp4.announce.tstamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_publicmcast_ipv4, + { "Public Multicast Address", "uftp4.announce.publicmcast.ipv4", + FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_publicmcast_ipv6, + { "Public Multicast Address", "uftp4.announce.publicmcast.ipv6", + FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_privatemcast_ipv4, + { "Private Multicast Address", "uftp4.announce.privatemcast.ipv4", + FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_announce_privatemcast_ipv6, + { "Private Multicast Address", "uftp4.announce.privatemcast.ipv6", + FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo, + { "EXT_ENC_INFO", "uftp4.encinfo", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_exttype, + { "Extension Type", "uftp4.encinfo.exttype", + FT_UINT8, BASE_DEC, VALS(extensions), 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_extlen, + { "Extension Length", "uftp4.encinfo.extlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_flags, + { "Flags", "uftp4.encinfo.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_flags_client_auth, + { "Client Authorization", "uftp4.encinfo.flags.client_auth", + FT_BOOLEAN, 8, NULL, FLAG_CLIENT_AUTH, NULL, HFILL } + }, + { &hf_uftp_encinfo_flags_reserved, + { "Reserved", "uftp4.encinfo.flags.reserved", + FT_UINT8, BASE_HEX, NULL, FLAG_ENCINFO_RESERVED, NULL, HFILL } + }, + { &hf_uftp_encinfo_keyextype, + { "Key Exchange Type", "uftp4.encinfo.keyextype", + FT_UINT8, BASE_DEC, VALS(keyexchange_types), 0xF0, NULL, HFILL } + }, + { &hf_uftp_encinfo_sigtype, + { "Signature Type", "uftp4.encinfo.sigtype", + FT_UINT8, BASE_DEC, VALS(signature_types), 0x0F, NULL, HFILL } + }, + { &hf_uftp_encinfo_keytype, + { "Key Type", "uftp4.encinfo.keytype", + FT_UINT8, BASE_DEC, VALS(key_types), 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_hashtype, + { "Hash Type", "uftp4.encinfo.hashtype", + FT_UINT8, BASE_DEC, VALS(hash_types), 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_keylen, + { "Public Key Length", "uftp4.encinfo.keylen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_dhlen, + { "Diffie-Hellman Key Length", "uftp4.encinfo.dhlen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_siglen, + { "Signature Length", "uftp4.encinfo.siglen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_rand1, + { "Server Random Number", "uftp4.encinfo.rand1", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_keyblob, + { "Public Key Blob", "uftp4.encinfo.keyblob", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_dhblob, + { "Diffie-Hellman Key Blob", "uftp4.encinfo.dhblob", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encinfo_sig, + { "Signature", "uftp4.encinfo.sig", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_rsablob_blobtype, + { "Keyblob Type", "uftp4.rsablob.blobtype", + FT_UINT8, BASE_DEC, VALS(keyblob_types), 0x0, NULL, HFILL } + }, + { &hf_uftp_rsablob_reserved, + { "Reserved", "uftp4.rsablob.reserved", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_rsablob_modlen, + { "Modulus Length", "uftp4.rsablob.modlen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_rsablob_exponent, + { "Exponent", "uftp4.rsablob.exponent", + FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_rsablob_modulus, + { "Modulus", "uftp4.rsablob.modulus", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_ecblob_blobtype, + { "Keyblob Type", "uftp4.ecblob.blobtype", + FT_UINT8, BASE_DEC, VALS(keyblob_types), 0x0, NULL, HFILL } + }, + { &hf_uftp_ecblob_curve, + { "Curve", "uftp4.ecblob.curve", + FT_UINT8, BASE_DEC, VALS(curves), 0x0, NULL, HFILL } + }, + { &hf_uftp_ecblob_keylen, + { "Key Length", "uftp4.ecblob.keylen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_ecblob_key, + { "Key", "uftp4.ecblob.key", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_register, + { "REGISTER", "uftp4.register", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_register_func, + { "Type", "uftp4.register.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_register_hlen, + { "Header Length", "uftp4.register.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_register_keyinfo_len, + { "Key Info Length", "uftp4.register.keyinfo_len", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_register_tstamp, + { "Timestamp", "uftp4.register.tstamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_register_rand2, + { "Client Random Number", "uftp4.register.rand2", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_register_keyinfo, + { "Key Info", "uftp4.register.keyinfo", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_clientkey, + { "CLIENT_KEY", "uftp4.clientkey", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_clientkey_func, + { "Type", "uftp4.clientkey.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_clientkey_hlen, + { "Header Length", "uftp4.clientkey.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_clientkey_reserved, + { "Reserved", "uftp4.clientkey.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_clientkey_bloblen, + { "Keyblob Length", "uftp4.clientkey.bloblen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_clientkey_siglen, + { "Signature Length", "uftp4.clientkey.siglen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_clientkey_keyblob, + { "Public Key Blob", "uftp4.clientkey.keyblob", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_clientkey_verify, + { "Signature", "uftp4.clientkey.verify", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_regconf, + { "REG_CONF", "uftp4.regconf", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_regconf_func, + { "Type", "uftp4.regconf.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_regconf_hlen, + { "Header Length", "uftp4.regconf.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_regconf_reserved, + { "Reserved", "uftp4.regconf.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfo, + { "KEYINFO", "uftp4.keyinfo", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfo_func, + { "Type", "uftp4.keyinfo.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfo_hlen, + { "Header Length", "uftp4.keyinfo.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfo_reserved, + { "Reserved", "uftp4.keyinfo.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfo_ivctr, + { "IV Counter", "uftp4.keyinfo.ivctr", + FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfo_destkey, + { "Destination Key", "uftp4.keyinfo.destkey", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfo_destid, + { "Destination ID", "uftp4.keyinfo.destid", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfo_groupmaster, + { "Encrypted Group Master", "uftp4.keyinfo.groupmaster", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfoack, + { "KEYINFO_ACK", "uftp4.keyinfoack", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfoack_func, + { "Type", "uftp4.keyinfoack.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfoack_hlen, + { "Header Length", "uftp4.keyinfoack.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfoack_reserved, + { "Reserved", "uftp4.keyinfoack.reserved", + FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyinfoack_verify_data, + { "Verify Data", "uftp4.keyinfoack.verify_data", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo, + { "FILEINFO", "uftp4.fileinfo", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_func, + { "Type", "uftp4.fileinfo.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_hlen, + { "Header Length", "uftp4.fileinfo.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_file_id, + { "File ID", "uftp4.fileinfo.file_id", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_ftype, + { "File Type", "uftp4.fileinfo.ftype", + FT_UINT8, BASE_DEC, VALS(file_types), 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_reserved, + { "Reserved", "uftp4.fileinfo.reserved", + FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_namelen, + { "Name Length", "uftp4.fileinfo.namelen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_linklen, + { "Link Length", "uftp4.fileinfo.linklen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_fsize, + { "File Size", "uftp4.fileinfo.fsize", + FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_ftstamp, + { "File Timestamp", "uftp4.fileinfo.ftstamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_tstamp, + { "Timestamp", "uftp4.fileinfo.tstamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_name, + { "File Name", "uftp4.fileinfo.name", + FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfo_link, + { "Link Name", "uftp4.fileinfo.link", + FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfoack, + { "FILEINFO_ACK", "uftp4.fileinfoack", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfoack_func, + { "Type", "uftp4.fileinfoack.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfoack_hlen, + { "Header Length", "uftp4.fileinfoack.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfoack_file_id, + { "File ID", "uftp4.fileinfoack.file_id", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfoack_flags, + { "Flags", "uftp4.fileinfoack.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfoack_flags_partial, + { "Partial", "uftp4.fileinfoack.flags.partial", + FT_BOOLEAN, 8, NULL, FLAG_PARTIAL, NULL, HFILL } + }, + { &hf_uftp_fileinfoack_flags_reserved, + { "Reserved", "uftp4.fileinfoack.flags.reserved", + FT_UINT8, BASE_HEX, NULL, FLAG_FILEINFOACK_RESERVED, NULL, HFILL } + }, + { &hf_uftp_fileinfoack_reserved, + { "Reserved", "uftp4.fileinfoack.reserved", + FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileinfoack_tstamp, + { "Timestamp", "uftp4.fileinfoack.tstamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileseg, + { "FILESEG", "uftp4.fileseg", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileseg_func, + { "Type", "uftp4.fileseg.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_fileseg_hlen, + { "Header Length", "uftp4.fileseg.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileseg_file_id, + { "File ID", "uftp4.fileseg.file_id", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileseg_section, + { "Section", "uftp4.fileseg.section", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileseg_sec_block, + { "Block", "uftp4.fileseg.sec_block", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccdata, + { "EXT_TFMCC_DATA_INFO", "uftp4.tfmccdata", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccdata_exttype, + { "Extension Type", "uftp4.tfmccdata.exttype", + FT_UINT8, BASE_DEC, VALS(extensions), 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccdata_extlen, + { "Extension Length", "uftp4.tfmccdata.extlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccdata_send_rate, + { "Send Rate", "uftp4.tfmccdata.send_rate", + FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccdata_cc_seq, + { "CC Sequence Number", "uftp4.tfmccdata.cc_seq", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccdata_cc_rate, + { "Rate", "uftp4.tfmccdata.cc_rate", + FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_fileseg_data, + { "Data", "uftp4.fileseg.data", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_done, + { "DONE", "uftp4.done", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_done_func, + { "Type", "uftp4.done.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_done_hlen, + { "Header Length", "uftp4.done.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_done_file_id, + { "File ID", "uftp4.done.file_id", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_done_section, + { "Section", "uftp4.done.section", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_done_reserved, + { "Reserved", "uftp4.done.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_status, + { "STATUS", "uftp4.status", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_status_func, + { "Type", "uftp4.status.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_status_hlen, + { "Header Length", "uftp4.status.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_status_file_id, + { "File ID", "uftp4.status.file_id", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_status_section, + { "Section", "uftp4.status.section", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_status_reserved, + { "Reserved", "uftp4.status.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_status_naks, + { "NAKs", "uftp4.status.naks", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_complete, + { "COMPLETE", "uftp4.complete", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_complete_func, + { "Type", "uftp4.complete.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_complete_hlen, + { "Header Length", "uftp4.complete.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_complete_file_id, + { "File ID", "uftp4.complete.file_id", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_complete_status, + { "Completion Status", "uftp4.complete.status", + FT_UINT8, BASE_DEC, VALS(comp_status), 0x0, NULL, HFILL } + }, + { &hf_uftp_complete_reserved, + { "Reserved", "uftp4.complete.reserved", + FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_freespace, + { "EXT_FREESPACE_INFO", "uftp4.freespace", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_freespace_exttype, + { "Extension Type", "uftp4.freespace.exttype", + FT_UINT8, BASE_DEC, VALS(extensions), 0x0, NULL, HFILL } + }, + { &hf_uftp_freespace_extlen, + { "Extension Length", "uftp4.freespace.extlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_freespace_reserved, + { "Reserved", "uftp4.freespace.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_freespace_freespace, + { "Free Space", "uftp4.freespace.freespace", + FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_doneconf, + { "DONE_CONF", "uftp4.doneconf", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_doneconf_func, + { "Type", "uftp4.doneconf.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_doneconf_hlen, + { "Header Length", "uftp4.doneconf.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_doneconf_reserved, + { "Reserved", "uftp4.doneconf.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbreq, + { "HB_REQ", "uftp4.hbreq", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbreq_func, + { "Type", "uftp4.hbreq.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_hbreq_hlen, + { "Header Length", "uftp4.hbreq.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbreq_reserved, + { "Reserved", "uftp4.hbreq.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbreq_bloblen, + { "Keyblob Length", "uftp4.hbreq.bloblen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbreq_siglen, + { "Signature Length", "uftp4.hbreq.siglen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbreq_nonce, + { "Nonce", "uftp4.hbreq.nonce", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbreq_keyblob, + { "Public Key Blob", "uftp4.hbreq.keyblob", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbreq_verify, + { "Signature", "uftp4.hbreq.verify", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbresp, + { "HB_RESP", "uftp4.hbresp", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbresp_func, + { "Type", "uftp4.hbresp.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_hbresp_hlen, + { "Header Length", "uftp4.hbresp.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbresp_authenticated, + { "Authenticated", "uftp4.hbresp.authenticated", + FT_UINT8, BASE_DEC, VALS(hb_auth_types), 0x0, NULL, HFILL } + }, + { &hf_uftp_hbresp_reserved, + { "Reserved", "uftp4.hbresp.reserved", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_hbresp_nonce, + { "Nonce", "uftp4.hbresp.nonce", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyreq, + { "KEY_REQ", "uftp4.keyreq", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyreq_func, + { "Type", "uftp4.keyreq.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_keyreq_hlen, + { "Header Length", "uftp4.keyreq.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_keyreq_reserved, + { "Reserved", "uftp4.keyreq.reserved", + FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey, + { "PROXY_KEY", "uftp4.proxykey", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey_func, + { "Type", "uftp4.proxykey.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey_hlen, + { "Header Length", "uftp4.proxykey.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey_bloblen, + { "Keyblob Length", "uftp4.proxykey.bloblen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey_dhlen, + { "Diffie-Hellman Keyblob Length", "uftp4.proxykey.dhlen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey_siglen, + { "Signature Length", "uftp4.proxykey.siglen", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey_nonce, + { "Nonce", "uftp4.proxykey.nonce", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey_keyblob, + { "Public Key Blob", "uftp4.proxykey.keyblob", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey_dhblob, + { "Diffie-Hellman Key Blob", "uftp4.proxykey.dhblob", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_proxykey_verify, + { "Signature", "uftp4.proxykey.verify", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl, + { "CONG_CTRL", "uftp4.congctrl", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_func, + { "Type", "uftp4.congctrl.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_hlen, + { "Header Length", "uftp4.congctrl.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_reserved, + { "Reserved", "uftp4.congctrl.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_cc_seq, + { "CC Sequence", "uftp4.congctrl.cc_seq", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_cc_rate, + { "Rate", "uftp4.congctrl.cc_rate", + FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_tstamp, + { "Timestamp", "uftp4.congctrl.tstamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_cclist, + { "Congestion Control List", "uftp4.congctrl.cclist", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_item, + { "Destination", "uftp4.congctrl.item", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_item_destid, + { "Destination ID", "uftp4.congctrl.item.destid", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_item_flags, + { "Flags", "uftp4.congctrl.item.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_item_flags_clr, + { "CLR", "uftp4.congctrl.item.flags.clr", + FT_BOOLEAN, 8, NULL, FLAG_CC_CLR, NULL, HFILL } + }, + { &hf_uftp_congctrl_item_flags_rtt, + { "RTT", "uftp4.congctrl.item.flags.rtt", + FT_BOOLEAN, 8, NULL, FLAG_CC_RTT, NULL, HFILL } + }, + { &hf_uftp_congctrl_item_flags_start, + { "Slowstart", "uftp4.congctrl.item.flags.start", + FT_BOOLEAN, 8, NULL, FLAG_CC_START, NULL, HFILL } + }, + { &hf_uftp_congctrl_item_flags_leave, + { "Leave", "uftp4.congctrl.item.flags.leave", + FT_BOOLEAN, 8, NULL, FLAG_CC_LEAVE, NULL, HFILL } + }, + { &hf_uftp_congctrl_item_flags_reserved, + { "Reserved", "uftp4.congctrl.item.flags.reserved", + FT_UINT8, BASE_HEX, NULL, FLAG_CC_RESERVED, NULL, HFILL } + }, + { &hf_uftp_congctrl_item_rtt, + { "Round Trip Time", "uftp4.congctrl.item.rtt", + FT_DOUBLE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_congctrl_item_rate, + { "Rate", "uftp4.congctrl.item.rate", + FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_ccack, + { "CC_ACK", "uftp4.ccack", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_ccack_func, + { "Type", "uftp4.ccack.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_ccack_hlen, + { "Header Length", "uftp4.ccack.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_ccack_reserved, + { "Reserved", "uftp4.ccack.reserved", + FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccack, + { "EXT_TFMCC_ACK_INFO", "uftp4.tfmccack", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccack_exttype, + { "Extension Type", "uftp4.tfmccack.exttype", + FT_UINT8, BASE_DEC, VALS(extensions), 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccack_extlen, + { "Extension Length", "uftp4.tfmccack.extlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccack_flags, + { "Flags", "uftp4.tfmccack.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccack_flags_clr, + { "CLR", "uftp4.tfmccack.flags.clr", + FT_BOOLEAN, 8, NULL, FLAG_CC_CLR, NULL, HFILL } + }, + { &hf_uftp_tfmccack_flags_rtt, + { "RTT", "uftp4.tfmccack.flags.rtt", + FT_BOOLEAN, 8, NULL, FLAG_CC_RTT, NULL, HFILL } + }, + { &hf_uftp_tfmccack_flags_start, + { "Slowstart", "uftp4.tfmccack.flags.start", + FT_BOOLEAN, 8, NULL, FLAG_CC_START, NULL, HFILL } + }, + { &hf_uftp_tfmccack_flags_leave, + { "Leave", "uftp4.tfmccack.flags.leave", + FT_BOOLEAN, 8, NULL, FLAG_CC_LEAVE, NULL, HFILL } + }, + { &hf_uftp_tfmccack_flags_reserved, + { "Reserved", "uftp4.tfmccack.flags.reserved", + FT_UINT8, BASE_HEX, NULL, FLAG_CC_RESERVED, NULL, HFILL } + }, + { &hf_uftp_tfmccack_reserved, + { "Reserved", "uftp4.tfmccack.reserved", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccack_cc_seq, + { "CC Sequence Number", "uftp4.tfmccack.cc_seq", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccack_cc_rate, + { "Rate", "uftp4.tfmccack.cc_rate", + FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccack_client_id, + { "Client ID", "uftp4.tfmccack.client_id", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_tfmccack_tstamp, + { "Timestamp", "uftp4.tfmccack.tstamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encrypted, + { "ENCRYPTED", "uftp4.encrypted", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encrypted_ivctr, + { "IV Counter", "uftp4.encrypted.ivctr", + FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encrypted_sig_len, + { "Signature Length", "uftp4.encrypted.sig_len", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encrypted_payload_len, + { "Payload Length", "uftp4.encrypted.payload_len", + FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encrypted_signature, + { "Signature", "uftp4.encrypted.signature", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_encrypted_payload, + { "Encrypted Payload", "uftp4.encrypted.payload", + FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_abort, + { "ABORT", "uftp4.abort", + FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_abort_func, + { "Type", "uftp4.abort.func", + FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL } + }, + { &hf_uftp_abort_hlen, + { "Header Length", "uftp4.abort.hlen", + FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_abort_flags, + { "Flags", "uftp4.abort.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_abort_flags_curfile, + { "Current file", "uftp4.abort.flags.curfile", + FT_BOOLEAN, 8, NULL, FLAG_CURRENT_FILE, NULL, HFILL } + }, + { &hf_uftp_abort_flags_reserved, + { "Reserved", "uftp4.abort.flags.reserved", + FT_UINT8, BASE_HEX, NULL, FLAG_ABORT_RESERVED, NULL, HFILL } + }, + { &hf_uftp_abort_reserved, + { "Reserved", "uftp4.abort.reserved", + FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_abort_clientid, + { "Client ID", "uftp4.abort.clientid", + FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } + }, + { &hf_uftp_abort_message, + { "Message", "uftp4.abort.message", + FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } + } + }; + + /* Setup protocol subtree array */ + static gint *ett[] = { + &ett_uftp, + &ett_uftp_announce, + &ett_uftp_encinfo, + &ett_uftp_register, + &ett_uftp_clientkey, + &ett_uftp_regconf, + &ett_uftp_keyinfo, + &ett_uftp_keyinfo_destkey, + &ett_uftp_keyinfoack, + &ett_uftp_fileinfo, + &ett_uftp_fileinfoack, + &ett_uftp_fileseg, + &ett_uftp_tfmccdata, + &ett_uftp_done, + &ett_uftp_status, + &ett_uftp_complete, + &ett_uftp_freespace, + &ett_uftp_doneconf, + &ett_uftp_hbreq, + &ett_uftp_hbresp, + &ett_uftp_keyreq, + &ett_uftp_proxykey, + &ett_uftp_congctrl, + &ett_uftp_congctrl_cclist, + &ett_uftp_congctrl_item, + &ett_uftp_ccack, + &ett_uftp_tfmccack, + &ett_uftp_encrypted, + &ett_uftp_abort, + &ett_uftp_announce_flags, + &ett_uftp_encinfo_flags, + &ett_uftp_fileinfoack_flags, + &ett_uftp_abort_flags, + &ett_uftp_congctrl_item_flags, + &ett_uftp_tfmccack_flags, + &ett_uftp_destlist, + &ett_uftp_rsablob, + &ett_uftp_ecblob + }; + + static ei_register_info ei[] = { + { &ei_uftp_length_invalid, { "uftp4.length.invalid", PI_MALFORMED, PI_ERROR, "Length is invalid", EXPFILL }}, + { &ei_uftp_func_unknown, { "uftp4.func.invalid", PI_MALFORMED, PI_ERROR, "Unknown function", EXPFILL }} + }; + + expert_module_t* expert_uftp; + + proto_uftp = proto_register_protocol("UDP based FTP w/ multicast V4", + "UFTP4", "uftp4"); + proto_register_field_array(proto_uftp, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + register_dissector("uftp4", dissect_uftp, proto_uftp); + expert_uftp = expert_register_protocol(proto_uftp); + expert_register_field_array(expert_uftp, ei, array_length(ei)); +} + +/* + * 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: + */ |