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authorJaap Keuter <jaap.keuter@xs4all.nl>2016-08-03 23:59:48 +0200
committerAnders Broman <a.broman58@gmail.com>2016-08-11 04:01:49 +0000
commite2b2d986cc3b86ef98ebd92d2e8b5fabb5666a35 (patch)
tree4d1821ef2fb8f9cbeff931629a65f8a407c6713f /epan/dissectors/packet-uftp.c
parentba71ac07ccfdaa141c9cbbc31fcfb589198224bc (diff)
UFTP: Add dissector for Encrypted UDP based FTP with multicast
See http://uftp-multicast.sourceforge.net/ for the original publication of these dissectors. Both v3 and v4 protocols are dissected. Bug: 12718 Change-Id: If691a573b9440c7cbe3b35711231b628cf3c8604 Reviewed-on: https://code.wireshark.org/review/16936 Reviewed-by: Jaap Keuter <jaap.keuter@xs4all.nl> Petri-Dish: Jaap Keuter <jaap.keuter@xs4all.nl> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
Diffstat (limited to 'epan/dissectors/packet-uftp.c')
-rw-r--r--epan/dissectors/packet-uftp.c2243
1 files changed, 2243 insertions, 0 deletions
diff --git a/epan/dissectors/packet-uftp.c b/epan/dissectors/packet-uftp.c
new file mode 100644
index 0000000000..c887ecc5f6
--- /dev/null
+++ b/epan/dissectors/packet-uftp.c
@@ -0,0 +1,2243 @@
+/* packet-uftp.c
+ * Routines for UFTP packet dissection
+ * Copyright Dennis Bush <bush@tcnj.edu>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/expert.h>
+
+#define UFTP_VER_NUM 0x31
+#define UFTP_3_0_VER 0x30
+
+#define ANNOUNCE 1
+#define REGISTER 2
+#define CLIENT_KEY 3
+#define REG_CONF 4
+#define FILEINFO 5
+#define KEYINFO 6
+#define INFO_ACK 7
+#define FILESEG 8
+#define DONE 9
+#define STATUS 10
+#define PRSTATUS 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 80
+#define ABORT 99
+
+#define MAXDEST 10000
+#define MAXFILENAME 100
+#define MAXDIRNAME 200
+#define MAXPATHNAME 300
+#define MAXPROXYDEST 1000
+
+#define DESTNAME_LEN 100
+#define MAXFILES 500
+#define IFNAME_LEN 25
+#define MAX_INTERFACES 20
+#define IPSTR_LEN 16
+
+#define FTYPE_REG 0
+#define FTYPE_DIR 1
+#define FTYPE_LINK 2
+
+#define KEY_NONE 0x00
+#define KEY_DES 0x01
+#define KEY_DES_EDE3 0x02
+#define KEY_AES128 0x03
+#define KEY_AES256 0x04
+
+#define HASH_NONE 0x00
+#define HASH_MD5 0x01
+#define HASH_SHA1 0x02
+#define HASH_SHA256 0x03
+
+#define SIG_NONE 0x00
+#define SIG_HMAC 0x01
+#define SIG_RSA 0x02
+
+#define FLAG_RESTART 0x01
+#define FLAG_SYNC_MODE 0x02
+#define FLAG_SYNC_PREVIEW 0x04
+#define FLAG_ANNOUNCE_RESERVED 0xF8
+
+#define FLAG_PARTIAL 0x01
+#define FLAG_INFOACK_RESERVED 0xFE
+
+#define FLAG_CURRENT_FILE 0x01
+#define FLAG_ABORT_RESERVED 0xFE
+
+#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 PUBKEY_LEN 256 /* big enough for RSA-2048 */
+#define RAND_LEN 32 /* rfc 5246 */
+#define HMAC_LEN 32 /* big enough for SHA-256 */
+#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 UFTP_LEN 16
+#define ANNOUNCE_LEN 64
+#define REGISTER_LEN 40
+#define CLIENT_KEY_LEN 12
+#define REG_CONF_LEN 4
+#define FILEINFO_LEN 324
+#define FILEINFO_30_LEN 320
+#define KEYINFO_LEN 12
+#define DESTKEY_LEN 52
+#define INFO_ACK_LEN 20
+#define FILESEG_LEN 12
+#define DONE_LEN 8
+#define STATUS_LEN 12
+#define PRSTATUS_LEN 12
+#define COMPLETE_LEN 8
+#define DONE_CONF_LEN 8
+#define HB_REQ_LEN 16
+#define HB_RESP_LEN 8
+#define KEY_REQ_LEN 4
+#define PROXY_KEY_LEN 16
+#define ENCRYPTED_LEN 12
+#define ABORT_LEN 308
+
+void proto_register_uftp(void);
+void proto_reg_handoff_uftp(void);
+
+static int proto_uftp = -1;
+static int uftp_port = 1044;
+
+/* main header and common fields */
+static int hf_uftp_version = -1;
+static int hf_uftp_func = -1;
+static int hf_uftp_blsize = -1;
+static int hf_uftp_group_id = -1;
+static int hf_uftp_srcaddr = -1;
+static int hf_uftp_destaddr = -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_flags = -1;
+static int hf_uftp_announce_flags_restart = -1;
+static int hf_uftp_announce_flags_sync = -1;
+static int hf_uftp_announce_flags_syncpreview = -1;
+static int hf_uftp_announce_flags_reserved = -1;
+static int hf_uftp_announce_destcount = -1;
+static int hf_uftp_announce_announce_int = -1;
+static int hf_uftp_announce_status_int = -1;
+static int hf_uftp_announce_register_int = -1;
+static int hf_uftp_announce_done_int = -1;
+static int hf_uftp_announce_announce_time = -1;
+static int hf_uftp_announce_status_time = -1;
+static int hf_uftp_announce_mtu = -1;
+static int hf_uftp_announce_privatemcast = -1;
+static int hf_uftp_announce_client_auth = -1;
+static int hf_uftp_announce_sigtype = -1;
+static int hf_uftp_announce_hashtype = -1;
+static int hf_uftp_announce_keytype = -1;
+static int hf_uftp_announce_keylen = -1;
+static int hf_uftp_announce_reserved = -1;
+static int hf_uftp_announce_keyexp = -1;
+static int hf_uftp_announce_rand1 = -1;
+static int hf_uftp_announce_keymod = -1;
+
+/* REGISTER fields */
+static int hf_uftp_register = -1;
+static int hf_uftp_register_func = -1;
+static int hf_uftp_register_reserved = -1;
+static int hf_uftp_register_destcount = -1;
+static int hf_uftp_register_premaster_len = -1;
+static int hf_uftp_register_rand2 = -1;
+static int hf_uftp_register_premaster = -1;
+
+/* CLIENT_KEY fields */
+static int hf_uftp_clientkey = -1;
+static int hf_uftp_clientkey_func = -1;
+static int hf_uftp_clientkey_reserved = -1;
+static int hf_uftp_clientkey_keylen = -1;
+static int hf_uftp_clientkey_verifylen = -1;
+static int hf_uftp_clientkey_keyexp = -1;
+static int hf_uftp_clientkey_keymod = -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_reserved = -1;
+static int hf_uftp_regconf_destcount = -1;
+
+/* FILEINFO fields */
+static int hf_uftp_fileinfo = -1;
+static int hf_uftp_fileinfo_func = -1;
+static int hf_uftp_fileinfo_ftype = -1;
+static int hf_uftp_fileinfo_file_id = -1;
+static int hf_uftp_fileinfo_block_total = -1;
+static int hf_uftp_fileinfo_section_total = -1;
+static int hf_uftp_fileinfo_destcount = -1;
+static int hf_uftp_fileinfo_fsize = -1;
+static int hf_uftp_fileinfo_ftstamp = -1;
+static int hf_uftp_fileinfo_name = -1;
+
+/* KEYINFO fields */
+static int hf_uftp_keyinfo = -1;
+static int hf_uftp_keyinfo_func = -1;
+static int hf_uftp_keyinfo_reserved = -1;
+static int hf_uftp_keyinfo_destcount = -1;
+static int hf_uftp_keyinfo_groupmaster_len = -1;
+static int hf_uftp_keyinfo_tstamp = -1;
+static int hf_uftp_keyinfo_destkey = -1;
+static int hf_uftp_keyinfo_destaddr = -1;
+static int hf_uftp_keyinfo_groupmaster = -1;
+
+/* INFO_ACK fields */
+static int hf_uftp_infoack = -1;
+static int hf_uftp_infoack_func = -1;
+static int hf_uftp_infoack_flags = -1;
+static int hf_uftp_infoack_flags_partial = -1;
+static int hf_uftp_infoack_flags_reserved = -1;
+static int hf_uftp_infoack_file_id = -1;
+static int hf_uftp_infoack_destcount = -1;
+static int hf_uftp_infoack_reserved = -1;
+static int hf_uftp_infoack_verify_data = -1;
+
+/* FILESEG fields */
+static int hf_uftp_fileseg = -1;
+static int hf_uftp_fileseg_func = -1;
+static int hf_uftp_fileseg_reserved1 = -1;
+static int hf_uftp_fileseg_file_id = -1;
+static int hf_uftp_fileseg_pass = -1;
+static int hf_uftp_fileseg_reserved2 = -1;
+static int hf_uftp_fileseg_section = -1;
+static int hf_uftp_fileseg_seq_num = -1;
+static int hf_uftp_fileseg_data = -1;
+
+/* DONE fields */
+static int hf_uftp_done = -1;
+static int hf_uftp_done_func = -1;
+static int hf_uftp_done_pass = -1;
+static int hf_uftp_done_section = -1;
+static int hf_uftp_done_file_id = -1;
+static int hf_uftp_done_destcount = -1;
+
+/* STATUS fields */
+static int hf_uftp_status = -1;
+static int hf_uftp_status_func = -1;
+static int hf_uftp_status_reserved = -1;
+static int hf_uftp_status_file_id = -1;
+static int hf_uftp_status_pass = -1;
+static int hf_uftp_status_seq = -1;
+static int hf_uftp_status_section = -1;
+static int hf_uftp_status_nak_count = -1;
+static int hf_uftp_status_naks = -1;
+
+/* PRSTATUS fields */
+static int hf_uftp_prstatus = -1;
+static int hf_uftp_prstatus_func = -1;
+static int hf_uftp_prstatus_reserved1 = -1;
+static int hf_uftp_prstatus_file_id = -1;
+static int hf_uftp_prstatus_pass = -1;
+static int hf_uftp_prstatus_seq = -1;
+static int hf_uftp_prstatus_section = -1;
+static int hf_uftp_prstatus_destcount = -1;
+static int hf_uftp_prstatus_reserved2 = -1;
+
+/* COMPLETE fields */
+static int hf_uftp_complete = -1;
+static int hf_uftp_complete_func = -1;
+static int hf_uftp_complete_status = -1;
+static int hf_uftp_complete_file_id = -1;
+static int hf_uftp_complete_destcount = -1;
+static int hf_uftp_complete_reserved2 = -1;
+
+/* DONE_CONF fields */
+static int hf_uftp_doneconf = -1;
+static int hf_uftp_doneconf_func = -1;
+static int hf_uftp_doneconf_reserved1 = -1;
+static int hf_uftp_doneconf_file_id = -1;
+static int hf_uftp_doneconf_destcount = -1;
+static int hf_uftp_doneconf_reserved2 = -1;
+
+/* HB_REQ fields */
+static int hf_uftp_hbreq = -1;
+static int hf_uftp_hbreq_func = -1;
+static int hf_uftp_hbreq_reserved = -1;
+static int hf_uftp_hbreq_nonce = -1;
+static int hf_uftp_hbreq_keylen = -1;
+static int hf_uftp_hbreq_siglen = -1;
+static int hf_uftp_hbreq_keyexp = -1;
+static int hf_uftp_hbreq_keymod = -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_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_reserved = -1;
+
+/* PROXY_KEY fields */
+static int hf_uftp_proxykey = -1;
+static int hf_uftp_proxykey_func = -1;
+static int hf_uftp_proxykey_reserved = -1;
+static int hf_uftp_proxykey_nonce = -1;
+static int hf_uftp_proxykey_keylen = -1;
+static int hf_uftp_proxykey_siglen = -1;
+static int hf_uftp_proxykey_keyexp = -1;
+static int hf_uftp_proxykey_keymod = -1;
+static int hf_uftp_proxykey_verify = -1;
+
+/* ENCRYPTED fields */
+static int hf_uftp_encrypted = -1;
+static int hf_uftp_encrypted_tstamp = -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_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_host = -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_fileinfo = -1;
+static gint ett_uftp_keyinfo = -1;
+static gint ett_uftp_infoack = -1;
+static gint ett_uftp_fileseg = -1;
+static gint ett_uftp_done = -1;
+static gint ett_uftp_status = -1;
+static gint ett_uftp_prstatus = -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_encrypted = -1;
+static gint ett_uftp_abort = -1;
+
+static gint ett_uftp_announce_flags = -1;
+static gint ett_uftp_keyinfo_destkey = -1;
+static gint ett_uftp_infoack_flags = -1;
+static gint ett_uftp_abort_flags = -1;
+
+static gint ett_uftp_destlist = -1;
+
+static expert_field ei_uftp_length_invalid = EI_INIT;
+static expert_field ei_uftp_func_unknown = EI_INIT;
+
+static dissector_handle_t uftp4_handle;
+
+static const value_string messages[] = {
+ { ANNOUNCE, "ANNOUNCE" },
+ { REGISTER, "REGISTER" },
+ { CLIENT_KEY, "CLIENT_KEY" },
+ { REG_CONF, "REG_CONF" },
+ { FILEINFO, "FILEINFO" },
+ { KEYINFO, "KEYINFO" },
+ { INFO_ACK, "INFO_ACK" },
+ { FILESEG, "FILESEG" },
+ { DONE, "DONE" },
+ { STATUS, "STATUS" },
+ { PRSTATUS, "PRSTATUS" },
+ { 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" },
+ { 0, NULL }
+};
+
+static const value_string signature_types[] = {
+ { SIG_NONE, "NONE" },
+ { SIG_HMAC, "HMAC" },
+ { SIG_RSA, "RSA" },
+ { 0, NULL }
+};
+
+static const value_string hash_types[] = {
+ { HASH_NONE, "NONE" },
+ { HASH_MD5, "MD5" },
+ { HASH_SHA1, "SHA-1" },
+ { HASH_SHA256, "SHA-256" },
+ { 0, NULL }
+};
+
+static const value_string key_types[] = {
+ { KEY_NONE, "NONE" },
+ { KEY_DES, "DES" },
+ { KEY_DES_EDE3, "3 Key Triple DES" },
+ { KEY_AES128, "AES-128" },
+ { KEY_AES256, "AES-256" },
+ { 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" },
+ { 0, NULL }
+};
+
+static const int *announce_flags[] = {
+ &hf_uftp_announce_flags_restart,
+ &hf_uftp_announce_flags_sync,
+ &hf_uftp_announce_flags_syncpreview,
+ &hf_uftp_announce_flags_reserved,
+ NULL
+};
+
+static const int *infoack_flags[] = {
+ &hf_uftp_infoack_flags_partial,
+ &hf_uftp_infoack_flags_reserved,
+ NULL
+};
+
+static const int *abort_flags[] = {
+ &hf_uftp_abort_flags_curfile,
+ &hf_uftp_abort_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 }
+};
+
+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;
+ guint16 destcount, keylen, idx;
+
+ 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;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 2);
+ keylen = tvb_get_ntohs(tvb, 24);
+ if ((gint)tvb_reported_length(tvb) < ANNOUNCE_LEN + keylen + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, keylen = %d, count=%d",
+ tvb_reported_length(tvb), keylen, destcount);
+ return;
+ }
+
+ 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_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_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_announce_int, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_status_int, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_register_int, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_done_int, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_announce_time, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_status_time, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_mtu, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_privatemcast, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_client_auth, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_sigtype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_hashtype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_keytype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_keylen, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_reserved, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_keyexp, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ proto_tree_add_item(announce_tree, hf_uftp_announce_rand1, tvb, offset, RAND_LEN, ENC_NA);
+ offset += RAND_LEN;
+ if (keylen > 0) {
+ proto_tree_add_item(announce_tree, hf_uftp_announce_keymod, tvb, offset, keylen, ENC_NA);
+ offset += keylen;
+ }
+ 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;
+ 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;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 4);
+ keylen = tvb_get_ntohs(tvb, 6);
+ if ((gint)tvb_reported_length(tvb) < REGISTER_LEN + keylen + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, keylen = %d, count=%d",
+ tvb_reported_length(tvb), keylen, destcount);
+ 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_item(register_tree, hf_uftp_register_reserved, tvb, offset, 3, ENC_BIG_ENDIAN);
+ offset += 3;
+ proto_tree_add_item(register_tree, hf_uftp_register_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(register_tree, hf_uftp_register_premaster_len, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ 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_premaster, tvb, offset, keylen, ENC_NA);
+ offset += keylen;
+ }
+ 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;
+ guint16 keylen, verifylen;
+
+ 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;
+ }
+
+ keylen = tvb_get_ntohs(tvb, 4);
+ verifylen = tvb_get_ntohs(tvb, 6);
+ if ((gint)tvb_reported_length(tvb) < CLIENT_KEY_LEN + keylen + verifylen) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, keylen=%d verifylen=%d",
+ tvb_reported_length(tvb), 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_item(clientkey_tree, hf_uftp_clientkey_reserved, tvb, offset, 3, ENC_BIG_ENDIAN);
+ offset += 3;
+ proto_tree_add_item(clientkey_tree, hf_uftp_clientkey_keylen, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(clientkey_tree, hf_uftp_clientkey_verifylen, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(clientkey_tree, hf_uftp_clientkey_keyexp, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ if (keylen > 0) {
+ proto_tree_add_item(clientkey_tree, hf_uftp_clientkey_keymod, tvb, offset, keylen, ENC_NA);
+ offset += keylen;
+ }
+ 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;
+ 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;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 2);
+ if ((gint)tvb_reported_length(tvb) < REG_CONF_LEN + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, count=%d",
+ tvb_reported_length(tvb), destcount);
+ 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_item(regconf_tree, hf_uftp_regconf_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(regconf_tree, hf_uftp_regconf_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ 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_fileinfo_30(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;
+ guint16 file_id, destcount, idx;
+
+ if (tvb_reported_length(tvb) < FILEINFO_30_LEN) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length: %d", tvb_reported_length(tvb));
+ return;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 10);
+ if ((gint)tvb_reported_length(tvb) < FILEINFO_30_LEN + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, count=%d",
+ tvb_reported_length(tvb), destcount);
+ 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_item(fileinfo_tree, hf_uftp_fileinfo_ftype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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_block_total, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_section_total, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_fsize, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_name, tvb, offset, MAXPATHNAME, ENC_ASCII|ENC_NA);
+ offset += MAXPATHNAME;
+ 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_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;
+ guint16 file_id, destcount, idx;
+
+ 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;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 10);
+ if ((gint)tvb_reported_length(tvb) < FILEINFO_LEN + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, count=%d",
+ tvb_reported_length(tvb), destcount);
+ 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_item(fileinfo_tree, hf_uftp_fileinfo_ftype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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_block_total, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_section_total, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_fsize, tvb, offset, 8, ENC_BIG_ENDIAN);
+ offset += 8;
+ proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_ftstamp, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ proto_tree_add_item(fileinfo_tree, hf_uftp_fileinfo_name, tvb, offset, MAXPATHNAME, ENC_ASCII|ENC_NA);
+ offset += MAXPATHNAME;
+ 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_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;
+ 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;
+ }
+
+ destcount = tvb_get_guint8(tvb, 2);
+ if ((gint)tvb_reported_length(tvb) < KEYINFO_LEN + (destcount * DESTKEY_LEN)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, count=%d",
+ tvb_reported_length(tvb), destcount);
+ 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_item(keyinfo_tree, hf_uftp_keyinfo_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(keyinfo_tree, hf_uftp_keyinfo_destcount, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(keyinfo_tree, hf_uftp_keyinfo_groupmaster_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(keyinfo_tree, hf_uftp_keyinfo_tstamp, tvb, offset, 8, FALSE);
+ offset += 8;
+ 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_destaddr, 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_infoack(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ proto_item *ti = NULL;
+ proto_item *destlist = NULL;
+ proto_tree *infoack_tree = NULL;
+ proto_tree *destlist_tree = NULL;
+ gint offset = 0;
+ guint16 file_id, destcount, idx;
+
+ if (tvb_reported_length(tvb) < INFO_ACK_LEN) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length: %d", tvb_reported_length(tvb));
+ return;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 4);
+ if ((gint)tvb_reported_length(tvb) < INFO_ACK_LEN + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, count=%d",
+ tvb_reported_length(tvb), destcount);
+ 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_infoack, tvb, offset, -1, ENC_NA);
+ infoack_tree = proto_item_add_subtree(ti, ett_uftp_infoack);
+ proto_tree_add_item(infoack_tree, hf_uftp_infoack_func, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_bitmask(infoack_tree, tvb, offset, hf_uftp_infoack_flags, ett_uftp_infoack_flags, infoack_flags, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(infoack_tree, hf_uftp_infoack_file_id, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(infoack_tree, hf_uftp_infoack_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(infoack_tree, hf_uftp_infoack_reserved, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(infoack_tree, hf_uftp_infoack_verify_data, tvb, offset, VERIFY_LEN, ENC_NA);
+ offset += VERIFY_LEN;
+ if (destcount > 0) {
+ destlist = proto_tree_add_item(infoack_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_fileseg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ proto_item *ti = NULL;
+ proto_tree *fileseg_tree = NULL;
+ gint offset = 0;
+ guint8 pass;
+ guint16 file_id;
+ guint32 seq_num;
+
+ 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;
+ }
+
+ file_id = tvb_get_ntohs(tvb, 2);
+ pass = tvb_get_guint8(tvb, 4);
+ seq_num = tvb_get_ntohl(tvb, 8);
+ col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X Pass=%d Seq=%d",
+ file_id, pass, seq_num);
+
+ 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_item(fileseg_tree, hf_uftp_fileseg_reserved1, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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_pass, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(fileseg_tree, hf_uftp_fileseg_reserved2, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ 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_seq_num, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ 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;
+ guint8 pass;
+ 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;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 6);
+ if ((gint)tvb_reported_length(tvb) < DONE_LEN + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, count=%d",
+ tvb_reported_length(tvb), destcount);
+ return;
+ }
+
+ pass = tvb_get_guint8(tvb, 1);
+ section = tvb_get_ntohs(tvb, 2);
+ file_id = tvb_get_ntohs(tvb, 4);
+ if (file_id > 0) {
+ col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X Pass=%d Section=%d",
+ file_id, pass, 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_item(done_tree, hf_uftp_done_pass, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ 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_file_id, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(done_tree, hf_uftp_done_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ 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 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;
+ guint8 pass, seq;
+ guint16 file_id, section;
+ guint32 nak_count;
+
+ 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;
+ }
+
+ file_id = tvb_get_ntohs(tvb, 2);
+ section = tvb_get_ntohs(tvb, 2);
+ pass = tvb_get_guint8(tvb, 4);
+ seq = tvb_get_guint8(tvb, 5);
+ nak_count = tvb_get_ntohl(tvb, 8);
+ col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X Pass=%d Section=%d Seq=%d",
+ file_id, pass, section, seq);
+
+ 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_item(status_tree, hf_uftp_status_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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_pass, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(status_tree, hf_uftp_status_seq, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ 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_nak_count, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ if (nak_count > 0) {
+ proto_tree_add_item(status_tree, hf_uftp_status_naks, tvb, offset, -1, ENC_NA);
+ }
+}
+
+static void dissect_uftp_prstatus(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ proto_item *ti = NULL;
+ proto_item *destlist = NULL;
+ proto_tree *prstatus_tree = NULL;
+ proto_tree *destlist_tree = NULL;
+ gint offset = 0;
+ guint8 pass, seq;
+ guint16 file_id, destcount, idx, section;
+ guint32 nak_count;
+
+ if (tvb_reported_length(tvb) < PRSTATUS_LEN) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length: %d", tvb_reported_length(tvb));
+ return;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 8);
+ if ((gint)tvb_reported_length(tvb) < PRSTATUS_LEN + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, count=%d",
+ tvb_reported_length(tvb), destcount);
+ return;
+ }
+
+ file_id = tvb_get_ntohs(tvb, 2);
+ section = tvb_get_ntohs(tvb, 2);
+ pass = tvb_get_guint8(tvb, 4);
+ seq = tvb_get_guint8(tvb, 5);
+ nak_count = tvb_get_ntohl(tvb, 8);
+ col_append_fstr(pinfo->cinfo, COL_INFO, ":%04X Pass=%d Section=%d Seq=%d "
+ "NAKs=%d", file_id, pass, section, seq, nak_count);
+
+ ti = proto_tree_add_item(tree, hf_uftp_prstatus, tvb, offset, -1, ENC_NA);
+ prstatus_tree = proto_item_add_subtree(ti, ett_uftp_prstatus);
+ proto_tree_add_item(prstatus_tree, hf_uftp_prstatus_func, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(prstatus_tree, hf_uftp_prstatus_reserved1, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(prstatus_tree, hf_uftp_prstatus_file_id, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(prstatus_tree, hf_uftp_prstatus_pass, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(prstatus_tree, hf_uftp_prstatus_seq, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(prstatus_tree, hf_uftp_prstatus_section, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(prstatus_tree, hf_uftp_prstatus_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(prstatus_tree, hf_uftp_prstatus_reserved2, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ if (destcount > 0) {
+ destlist = proto_tree_add_item(prstatus_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_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;
+ guint16 file_id, destcount, idx;
+
+ 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;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 4);
+ if ((gint)tvb_reported_length(tvb) < COMPLETE_LEN + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, count=%d",
+ tvb_reported_length(tvb), destcount);
+ 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_item(complete_tree, hf_uftp_complete_status, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(complete_tree, hf_uftp_complete_reserved2, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ 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, proto_tree *tree)
+{
+ proto_item *ti = NULL;
+ proto_item *destlist = NULL;
+ proto_tree *doneconf_tree = NULL;
+ proto_tree *destlist_tree = NULL;
+ gint offset = 0;
+ guint16 file_id, 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;
+ }
+
+ destcount = tvb_get_ntohs(tvb, 4);
+ if ((gint)tvb_reported_length(tvb) < DONE_CONF_LEN + (destcount * 4)) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, count=%d",
+ tvb_reported_length(tvb), destcount);
+ 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_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_item(doneconf_tree, hf_uftp_doneconf_reserved1, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+ proto_tree_add_item(doneconf_tree, hf_uftp_doneconf_file_id, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(doneconf_tree, hf_uftp_doneconf_destcount, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(doneconf_tree, hf_uftp_doneconf_reserved2, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ 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;
+ guint16 keylen, siglen;
+
+ 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;
+ }
+
+ keylen = tvb_get_ntohs(tvb, 8);
+ siglen = tvb_get_ntohs(tvb, 10);
+ if ((gint)tvb_reported_length(tvb) < HB_REQ_LEN + keylen + siglen) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, keylen=%d siglen=%d",
+ tvb_reported_length(tvb), 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_item(hbreq_tree, hf_uftp_hbreq_reserved, tvb, offset, 3, ENC_BIG_ENDIAN);
+ offset += 3;
+ proto_tree_add_item(hbreq_tree, hf_uftp_hbreq_nonce, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ proto_tree_add_item(hbreq_tree, hf_uftp_hbreq_keylen, 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_keyexp, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ if (keylen > 0) {
+ proto_tree_add_item(hbreq_tree, hf_uftp_hbreq_keymod, tvb, offset, keylen, ENC_NA);
+ offset += keylen;
+ }
+ 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;
+
+ 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;
+ }
+
+ 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_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, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ 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;
+
+ 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;
+ }
+
+ 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_item(keyreq_tree, hf_uftp_keyreq_reserved, tvb, offset, 3, 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;
+ guint16 keylen, siglen;
+
+ 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;
+ }
+
+ keylen = tvb_get_ntohs(tvb, 8);
+ siglen = tvb_get_ntohs(tvb, 10);
+ if ((gint)tvb_reported_length(tvb) < PROXY_KEY_LEN + keylen + siglen) {
+ proto_tree_add_expert_format(tree, pinfo, &ei_uftp_length_invalid, tvb, offset, -1,
+ "Invalid length, len = %d, keylen=%d siglen=%d",
+ tvb_reported_length(tvb), keylen, 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_item(proxykey_tree, hf_uftp_proxykey_reserved, tvb, offset, 3, ENC_BIG_ENDIAN);
+ offset += 3;
+ proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_nonce, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_keylen, 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_keyexp, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ if (keylen > 0) {
+ proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_keymod, tvb, offset, keylen, ENC_NA);
+ offset += keylen;
+ }
+ if (siglen > 0) {
+ proto_tree_add_item(proxykey_tree, hf_uftp_proxykey_verify, tvb, offset, siglen, ENC_NA);
+ }
+}
+
+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_tstamp, tvb, offset, 8, FALSE);
+ 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;
+
+ 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;
+ }
+
+ 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_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, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ proto_tree_add_item(abort_tree, hf_uftp_abort_host, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ proto_tree_add_item(abort_tree, hf_uftp_abort_message, tvb, offset, -1, ENC_ASCII|ENC_NA);
+}
+
+static int dissect_uftp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+ guint8 version;
+ guint8 mes_type;
+ guint32 group_id;
+ guint16 blsize;
+ tvbuff_t *next_tvb;
+ proto_item *ti = NULL;
+ proto_tree *uftp_tree = NULL;
+ gint offset = 0;
+
+ version = tvb_get_guint8(tvb, 0);
+ if (version == 0x40) {
+ return call_dissector(uftp4_handle, tvb, pinfo, tree);
+ } else if (version != UFTP_VER_NUM && version != UFTP_3_0_VER) {
+ return 0;
+ }
+
+ if (tvb_reported_length(tvb) < UFTP_LEN) {
+ return 0;
+ }
+
+ mes_type = tvb_get_guint8(tvb, 1);
+ blsize = tvb_get_ntohs(tvb, 2);
+ group_id = tvb_get_ntohl(tvb, 4);
+
+ if (tvb_reported_length(tvb) != (unsigned)UFTP_LEN + blsize) {
+ 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, "%-10s",
+ 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);
+ }
+
+ 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_blsize, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ 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_srcaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+ proto_tree_add_item(uftp_tree, hf_uftp_destaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
+
+ next_tvb = tvb_new_subset(tvb, offset, -1, blsize);
+
+ 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 FILEINFO:
+ if (version == UFTP_3_0_VER) {
+ dissect_uftp_fileinfo_30(next_tvb, pinfo, uftp_tree);
+ } else {
+ dissect_uftp_fileinfo(next_tvb, pinfo, uftp_tree);
+ }
+ break;
+ case KEYINFO:
+ dissect_uftp_keyinfo(next_tvb, pinfo, uftp_tree);
+ break;
+ case INFO_ACK:
+ dissect_uftp_infoack(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 PRSTATUS:
+ dissect_uftp_prstatus(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 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_uftp(void)
+{
+ static hf_register_info hf[] = {
+ { &hf_uftp_version,
+ { "Protocol Version", "uftp.version",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_func,
+ { "Type", "uftp.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_blsize,
+ { "Block Size", "uftp.blsize",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_group_id,
+ { "Group ID", "uftp.group_id",
+ FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_srcaddr,
+ { "Source Address", "uftp.srcaddr",
+ FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_destaddr,
+ { "Destination Address", "uftp.destaddr",
+ FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_destlist,
+ { "Destination List", "uftp.destlist",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_dest,
+ { "Destination", "uftp.dest",
+ FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce,
+ { "ANNOUNCE", "uftp.announce",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_func,
+ { "Type", "uftp.announce.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_flags,
+ { "Flags", "uftp.announce.flags",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_flags_restart,
+ { "Restart", "uftp.announce.flags.restart",
+ FT_BOOLEAN, 8, NULL, FLAG_RESTART, NULL, HFILL }
+ },
+ { &hf_uftp_announce_flags_sync,
+ { "Sync mode", "uftp.announce.flags.sync",
+ FT_BOOLEAN, 8, NULL, FLAG_SYNC_MODE, NULL, HFILL }
+ },
+ { &hf_uftp_announce_flags_syncpreview,
+ { "Sync preview mode", "uftp.announce.flags.syncpreview",
+ FT_BOOLEAN, 8, NULL, FLAG_SYNC_PREVIEW, NULL, HFILL }
+ },
+ { &hf_uftp_announce_flags_reserved,
+ { "Reserved", "uftp.announce.flags.reserved",
+ FT_BOOLEAN, 8, NULL, FLAG_ANNOUNCE_RESERVED, NULL, HFILL }
+ },
+ { &hf_uftp_announce_destcount,
+ { "Destination Count", "uftp.announce.destcount",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_announce_int,
+ { "Announce Interval", "uftp.announce.announce_int",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_status_int,
+ { "Status Interval", "uftp.announce.status_int",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_register_int,
+ { "Register Interval", "uftp.announce.register_int",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_done_int,
+ { "Done Interval", "uftp.announce.done_int",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_announce_time,
+ { "Announce Time", "uftp.announce.announce_time",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_status_time,
+ { "Status Time", "uftp.announce.status_time",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_mtu,
+ { "MTU", "uftp.announce.mtu",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_privatemcast,
+ { "Private Multicast Address", "uftp.announce.privatemcast",
+ FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_client_auth,
+ { "Client Auth", "uftp.announce.client_auth",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_sigtype,
+ { "Signature Type", "uftp.announce.sigtype",
+ FT_UINT8, BASE_DEC, VALS(signature_types), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_hashtype,
+ { "Hash Type", "uftp.announce.hashtype",
+ FT_UINT8, BASE_DEC, VALS(hash_types), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_keytype,
+ { "Key Type", "uftp.announce.keytype",
+ FT_UINT8, BASE_DEC, VALS(key_types), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_keylen,
+ { "Public Key Length", "uftp.announce.keylen",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_reserved,
+ { "Reserved", "uftp.announce.reserved",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_keyexp,
+ { "Public Key Exponent", "uftp.announce.keyexp",
+ FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_rand1,
+ { "Server Random Number", "uftp.announce.rand1",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_announce_keymod,
+ { "Public Key Modulus", "uftp.announce.keymod",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_register,
+ { "REGISTER", "uftp.register",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_register_func,
+ { "Type", "uftp.register.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_register_reserved,
+ { "Reserved", "uftp.register.reserved",
+ FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_register_destcount,
+ { "Destination Count", "uftp.register.destcount",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_register_premaster_len,
+ { "Premaster Secret Length", "uftp.register.premaster_len",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_register_rand2,
+ { "Client Random Number", "uftp.register.rand2",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_register_premaster,
+ { "Encrypted Premaster Secret", "uftp.register.premaster",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_clientkey,
+ { "CLIENT_KEY", "uftp.clientkey",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_clientkey_func,
+ { "Type", "uftp.clientkey.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_clientkey_reserved,
+ { "Reserved", "uftp.clientkey.reserved",
+ FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_clientkey_keylen,
+ { "Key Length", "uftp.clientkey.keylen",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_clientkey_verifylen,
+ { "Signature Length", "uftp.clientkey.verifylen",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_clientkey_keyexp,
+ { "Public Key Exponent", "uftp.clientkey.keyexp",
+ FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_clientkey_keymod,
+ { "Public Key Modulus", "uftp.clientkey.keymod",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_clientkey_verify,
+ { "Signature", "uftp.clientkey.verify",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_regconf,
+ { "REG_CONF", "uftp.regconf",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_regconf_func,
+ { "Type", "uftp.regconf.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_regconf_reserved,
+ { "Reserved", "uftp.regconf.reserved",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_regconf_destcount,
+ { "Destination Count", "uftp.regconf.destcount",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo,
+ { "FILEINFO", "uftp.fileinfo",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo_func,
+ { "Type", "uftp.fileinfo.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo_ftype,
+ { "File Type", "uftp.fileinfo.ftype",
+ FT_UINT8, BASE_DEC, VALS(file_types), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo_file_id,
+ { "File ID", "uftp.fileinfo.file_id",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo_block_total,
+ { "Total Blocks", "uftp.fileinfo.block_total",
+ FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo_section_total,
+ { "Total Sections", "uftp.fileinfo.section_total",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo_destcount,
+ { "Destination Count", "uftp.fileinfo.destcount",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo_fsize,
+ { "File Size", "uftp.fileinfo.fsize",
+ FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo_ftstamp,
+ { "File Timestamp", "uftp.fileinfo.tstamp",
+ FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileinfo_name,
+ { "File Name", "uftp.fileinfo.name",
+ FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyinfo,
+ { "KEYINFO", "uftp.keyinfo",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyinfo_func,
+ { "Type", "uftp.keyinfo.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyinfo_reserved,
+ { "Reserved", "uftp.keyinfo.reserved",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyinfo_destcount,
+ { "Destination Count", "uftp.keyinfo.destcount",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyinfo_groupmaster_len,
+ { "Group Master Length", "uftp.keyinfo.groupmaster_len",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyinfo_tstamp,
+ { "Timestamp", "uftp.keyinfo.tstamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyinfo_destkey,
+ { "Destination Key", "uftp.keyinfo.destkey",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyinfo_destaddr,
+ { "Destination Address", "uftp.keyinfo.destaddr",
+ FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyinfo_groupmaster,
+ { "Encrypted Group Master", "uftp.keyinfo.groupmaster",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_infoack,
+ { "INFO_ACK", "uftp.infoack",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_infoack_func,
+ { "Type", "uftp.infoack.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_infoack_flags,
+ { "Flags", "uftp.infoack.flags",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_infoack_flags_partial,
+ { "Partial", "uftp.infoack.flags.partial",
+ FT_BOOLEAN, 8, NULL, FLAG_PARTIAL, NULL, HFILL }
+ },
+ { &hf_uftp_infoack_flags_reserved,
+ { "Reserved", "uftp.infoack.flags.reserved",
+ FT_BOOLEAN, 8, NULL, FLAG_INFOACK_RESERVED, NULL, HFILL }
+ },
+ { &hf_uftp_infoack_file_id,
+ { "File ID", "uftp.infoack.file_id",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_infoack_destcount,
+ { "Destination Count", "uftp.infoack.destcount",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_infoack_reserved,
+ { "Reserved", "uftp.infoack.reserved",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_infoack_verify_data,
+ { "Verify Data", "uftp.infoack.verify_data",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileseg,
+ { "FILESEG", "uftp.fileseg",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileseg_func,
+ { "Type", "uftp.fileseg.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileseg_reserved1,
+ { "Reserved", "uftp.fileseg.reserved1",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileseg_file_id,
+ { "File ID", "uftp.fileseg.file_id",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileseg_pass,
+ { "Pass", "uftp.fileseg.pass",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileseg_reserved2,
+ { "Reserved", "uftp.fileseg.reserved2",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileseg_section,
+ { "Section", "uftp.fileseg.section",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileseg_seq_num,
+ { "Sequence Number", "uftp.fileseg.seq_num",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_fileseg_data,
+ { "Data", "uftp.fileseg.data",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_done,
+ { "DONE", "uftp.done",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_done_func,
+ { "Type", "uftp.done.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_done_pass,
+ { "Pass", "uftp.done.pass",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_done_section,
+ { "Section", "uftp.done.section",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_done_file_id,
+ { "File ID", "uftp.done.file_id",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_done_destcount,
+ { "Destination Count", "uftp.done.destcount",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_status,
+ { "STATUS", "uftp.status",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_status_func,
+ { "Type", "uftp.status.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_status_reserved,
+ { "Reserved", "uftp.status.reserved",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_status_file_id,
+ { "File ID", "uftp.status.file_id",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_status_pass,
+ { "Pass", "uftp.status.pass",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_status_seq,
+ { "Sequence", "uftp.status.seq",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_status_section,
+ { "Section", "uftp.status.section",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_status_nak_count,
+ { "NAK Count", "uftp.status.nak_count",
+ FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_status_naks,
+ { "NAKs", "uftp.status.naks",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_prstatus,
+ { "PRSTATUS", "uftp.prstatus",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_prstatus_func,
+ { "Type", "uftp.prstatus.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_prstatus_reserved1,
+ { "Reserved", "uftp.prstatus.reserved1",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_prstatus_file_id,
+ { "File ID", "uftp.prstatus.file_id",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_prstatus_pass,
+ { "Pass", "uftp.prstatus.pass",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_prstatus_seq,
+ { "Sequence", "uftp.prstatus.seq",
+ FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_prstatus_section,
+ { "Section", "uftp.prstatus.section",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_prstatus_destcount,
+ { "Destination Count", "uftp.prstatus.destcount",
+ FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_prstatus_reserved2,
+ { "Reserved", "uftp.prstatus.reserved2",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_complete,
+ { "COMPLETE", "uftp.complete",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_complete_func,
+ { "Type", "uftp.complete.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_complete_status,
+ { "Completion status", "uftp.complete.status",
+ FT_UINT8, BASE_DEC, VALS(comp_status), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_complete_file_id,
+ { "File ID", "uftp.complete.file_id",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_complete_destcount,
+ { "Destination Count", "uftp.complete.destcount",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_complete_reserved2,
+ { "Reserved", "uftp.complete.reserved2",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_doneconf,
+ { "DONE_CONF", "uftp.doneconf",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_doneconf_func,
+ { "Type", "uftp.doneconf.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_doneconf_reserved1,
+ { "Reserved", "uftp.doneconf.reserved1",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_doneconf_file_id,
+ { "File ID", "uftp.doneconf.file_id",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_doneconf_destcount,
+ { "Destination Count", "uftp.doneconf.destcount",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_doneconf_reserved2,
+ { "Reserved", "uftp.doneconf.reserved2",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbreq,
+ { "HB_REQ", "uftp.hbreq",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbreq_func,
+ { "Type", "uftp.hbreq.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbreq_reserved,
+ { "Reserved", "uftp.hbreq.reserved",
+ FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbreq_nonce,
+ { "Nonce", "uftp.hbreq.nonce",
+ FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbreq_keylen,
+ { "Key Length", "uftp.hbreq.keylen",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbreq_siglen,
+ { "Signature Length", "uftp.hbreq.siglen",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbreq_keyexp,
+ { "Public Key Exponent", "uftp.hbreq.keyexp",
+ FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbreq_keymod,
+ { "Public Key Modulus", "uftp.hbreq.keymod",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbreq_verify,
+ { "Signature", "uftp.hbreq.verify",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbresp,
+ { "HB_RESP", "uftp.hbresp",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbresp_func,
+ { "Type", "uftp.hbresp.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbresp_authenticated,
+ { "Authenticated", "uftp.hbresp.authenticated",
+ FT_UINT8, BASE_DEC, VALS(hb_auth_types), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbresp_reserved,
+ { "Reserved", "uftp.hbresp.reserved",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_hbresp_nonce,
+ { "Nonce", "uftp.hbresp.nonce",
+ FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyreq,
+ { "KEY_REQ", "uftp.keyreq",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyreq_func,
+ { "Type", "uftp.keyreq.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_keyreq_reserved,
+ { "Reserved", "uftp.keyreq.reserved",
+ FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_proxykey,
+ { "PROXY_KEY", "uftp.proxykey",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_proxykey_func,
+ { "Type", "uftp.proxykey.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_proxykey_reserved,
+ { "Reserved", "uftp.proxykey.reserved",
+ FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_proxykey_nonce,
+ { "Nonce", "uftp.proxykey.nonce",
+ FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_proxykey_keylen,
+ { "Key Length", "uftp.proxykey.keylen",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_proxykey_siglen,
+ { "Signature Length", "uftp.proxykey.siglen",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_proxykey_keyexp,
+ { "Public Key Exponent", "uftp.proxykey.keyexp",
+ FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_proxykey_keymod,
+ { "Public Key Modulus", "uftp.proxykey.keymod",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_proxykey_verify,
+ { "Signature", "uftp.proxykey.verify",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_encrypted,
+ { "ENCRYPTED", "uftp.encrypted",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_encrypted_tstamp,
+ { "Timestamp", "uftp.encrypted.tstamp",
+ FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_encrypted_sig_len,
+ { "Signature Length", "uftp.encrypted.sig_len",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_encrypted_payload_len,
+ { "Payload Length", "uftp.encrypted.payload_len",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_encrypted_signature,
+ { "Signature", "uftp.encrypted.signature",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_encrypted_payload,
+ { "Encrypted Payload", "uftp.encrypted.payload",
+ FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_abort,
+ { "ABORT", "uftp.abort",
+ FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_abort_func,
+ { "Type", "uftp.abort.func",
+ FT_UINT8, BASE_DEC, VALS(messages), 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_abort_flags,
+ { "Flags", "uftp.abort.flags",
+ FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_abort_flags_curfile,
+ { "Current file", "uftp.abort.flags.curfile",
+ FT_BOOLEAN, 8, NULL, FLAG_CURRENT_FILE, NULL, HFILL }
+ },
+ { &hf_uftp_abort_flags_reserved,
+ { "Reserved", "uftp.abort.flags.reserved",
+ FT_BOOLEAN, 8, NULL, FLAG_ABORT_RESERVED, NULL, HFILL }
+ },
+ { &hf_uftp_abort_reserved,
+ { "Reserved", "uftp.abort.reserved",
+ FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_abort_host,
+ { "Host", "uftp.abort.host",
+ FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ },
+ { &hf_uftp_abort_message,
+ { "Message", "uftp.abort.message",
+ FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }
+ }
+ };
+
+ /* Setup protocol subtree array */
+ static gint *ett[] = {
+ &ett_uftp,
+ &ett_uftp_announce,
+ &ett_uftp_register,
+ &ett_uftp_clientkey,
+ &ett_uftp_regconf,
+ &ett_uftp_fileinfo,
+ &ett_uftp_keyinfo,
+ &ett_uftp_keyinfo_destkey,
+ &ett_uftp_infoack,
+ &ett_uftp_fileseg,
+ &ett_uftp_done,
+ &ett_uftp_status,
+ &ett_uftp_prstatus,
+ &ett_uftp_complete,
+ &ett_uftp_doneconf,
+ &ett_uftp_hbreq,
+ &ett_uftp_hbresp,
+ &ett_uftp_keyreq,
+ &ett_uftp_proxykey,
+ &ett_uftp_encrypted,
+ &ett_uftp_abort,
+ &ett_uftp_announce_flags,
+ &ett_uftp_infoack_flags,
+ &ett_uftp_abort_flags,
+ &ett_uftp_destlist
+ };
+
+ static ei_register_info ei[] = {
+ { &ei_uftp_length_invalid, { "uftp.length.invalid", PI_MALFORMED, PI_ERROR, "Length is invalid", EXPFILL }},
+ { &ei_uftp_func_unknown, { "uftp.func.invalid", PI_MALFORMED, PI_ERROR, "Unknown function", EXPFILL }}
+ };
+
+ expert_module_t* expert_uftp;
+
+ proto_uftp = proto_register_protocol("UDP based FTP w/ multicast",
+ "UFTP", "uftp");
+ proto_register_field_array(proto_uftp, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+ expert_uftp = expert_register_protocol(proto_uftp);
+ expert_register_field_array(expert_uftp, ei, array_length(ei));
+}
+
+void proto_reg_handoff_uftp(void)
+{
+ static dissector_handle_t uftp_handle;
+
+ uftp4_handle = find_dissector("uftp4");
+ uftp_handle = create_dissector_handle(dissect_uftp, proto_uftp);
+ dissector_add_uint("udp.port", uftp_port, uftp_handle);
+}
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-28 20:41:12 +0000