forked from osmocom/wireshark
![Michael Mann](/assets/img/avatar_default.png)
Change-Id: Idcea59f6fc84238f04d9ffc11a0088ef97beec0c Reviewed-on: https://code.wireshark.org/review/19844 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
726 lines
34 KiB
C
726 lines
34 KiB
C
/* packet-mq-pcf.c
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* Routines for IBM WebSphere MQ PCF packet dissection
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*
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* metatech <metatech@flashmail.com>
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* robionekenobi <robionekenobi@bluewin.ch>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* MQ PCF in a nutshell
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*
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* The MQ Programmable Command Formats API allows remotely configuring a queue manager.
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*
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* MQ PCF documentation is called "WebSphere MQ Programmable Command Formats and Administration Interface"
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*/
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#include "config.h"
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#include <math.h>
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#include <epan/packet.h>
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#include <epan/expert.h>
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#include <epan/prefs.h>
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#include <epan/strutil.h>
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#include "packet-mq.h"
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void proto_register_mqpcf(void);
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void proto_reg_handoff_mqpcf(void);
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#define PCF_MAX_PARM 999
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#define PCF_MAX_LIST 20000
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guint mq_pcf_maxprm = PCF_MAX_PARM;
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guint mq_pcf_maxlst = PCF_MAX_LIST;
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static int proto_mqpcf = -1;
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static int hf_mqpcf_cfh_type = -1;
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static int hf_mqpcf_cfh_length = -1;
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static int hf_mqpcf_cfh_version = -1;
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static int hf_mqpcf_cfh_command = -1;
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static int hf_mqpcf_cfh_MsgSeqNbr = -1;
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static int hf_mqpcf_cfh_control = -1;
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static int hf_mqpcf_cfh_compcode = -1;
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static int hf_mqpcf_cfh_reason = -1;
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static int hf_mqpcf_cfh_ParmCount = -1;
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static int hf_mq_pcf_prmtyp = -1;
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static int hf_mq_pcf_prmlen = -1;
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static int hf_mq_pcf_prmid = -1;
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static int hf_mq_pcf_prmidnovals = -1;
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static int hf_mq_pcf_filterop = -1;
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static int hf_mq_pcf_prmccsid = -1;
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static int hf_mq_pcf_prmstrlen = -1;
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static int hf_mq_pcf_prmcount = -1;
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static int hf_mq_pcf_prmunused = -1;
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static int hf_mq_pcf_string = -1;
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static int hf_mq_pcf_stringlist = -1;
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static int hf_mq_pcf_int = -1;
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static int hf_mq_pcf_intlist = -1;
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static int hf_mq_pcf_bytestring = -1;
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static int hf_mq_pcf_int64 = -1;
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static int hf_mq_pcf_int64list = -1;
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static expert_field ei_mq_pcf_prmln0 = EI_INIT;
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static expert_field ei_mq_pcf_MaxInt = EI_INIT;
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static expert_field ei_mq_pcf_MaxStr = EI_INIT;
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static expert_field ei_mq_pcf_MaxI64 = EI_INIT;
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static expert_field ei_mq_pcf_MaxPrm = EI_INIT;
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static expert_field ei_mq_pcf_PrmCnt = EI_INIT;
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static gint ett_mqpcf_prm = -1;
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static gint ett_mqpcf = -1;
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static gint ett_mqpcf_cfh = -1;
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#define MQ_TEXT_CFH "MQ Command Format Header"
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static guint32 dissect_mqpcf_getDigits(guint uCnt)
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{
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return (guint32)(log10( (double)uCnt ) + 1);
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}
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/*
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* Here we get a special value_string, that return another value_string
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* pointer instead of string value. This let us use the try_val_to_str
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* to get val_to_str value from the value of a parameter on a more
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* easier way than using switch cases
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*/
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static const guint8 *dissect_mqpcf_parm_getintval(guint uPrm, guint uVal)
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{
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const value_string *pVs;
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pVs = (const value_string *)try_val_to_str_ext(uPrm, GET_VALS_EXTP(MQCFINT_Parse));
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if (pVs)
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{
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return (const guint8 *)try_val_to_str(uVal, pVs);
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}
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return NULL;
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}
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static void dissect_mqpcf_parm_int(tvbuff_t *tvb, proto_tree *tree, guint offset, guint uPrm,
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guint uVal, int hfindex, guint iCnt, guint iMaxCnt,
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guint iDigit, gboolean bParse)
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{
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header_field_info *hfinfo;
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const guint8 *pVal = NULL;
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if (bParse)
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pVal = dissect_mqpcf_parm_getintval(uPrm, uVal);
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hfinfo = proto_registrar_get_nth(hfindex);
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if (iMaxCnt > 1)
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{
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if (pVal)
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{
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proto_tree_add_int_format(tree, hfindex, tvb, offset, 4, uVal,
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"%s[%*d]: %8x-(%9d)-%s", hfinfo->name, iDigit, iCnt, uVal, uVal, pVal);
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}
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else
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{
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proto_tree_add_int_format(tree, hfindex, tvb, offset, 4, uVal,
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"%s[%*d]: %8x-(%9d)", hfinfo->name, iDigit, iCnt, uVal, uVal);
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}
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}
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else
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{
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if (pVal)
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{
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proto_tree_add_int_format_value(tree, hfindex, tvb, offset, 4, uVal,
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"%8x-(%9d)-%s", uVal, uVal, pVal);
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}
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else
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{
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proto_tree_add_int_format_value(tree, hfindex, tvb, offset, 4, uVal,
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"%8x-(%9d)", uVal, uVal);
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}
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}
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}
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void dissect_mqpcf_parm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *mq_tree,
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guint offset, guint32 uCount, guint bLittleEndian, gboolean bParse)
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{
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guint32 u = 0;
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guint32 tOfs = 0;
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guint32 uLenF;
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char strPrm[256];
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guint32 uTyp;
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guint32 uLen = 0;
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guint32 uPrm;
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guint32 uCnt;
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guint32 uCCS;
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guint32 uSLn;
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guint32 uVal;
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guint64 uVal64;
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guint32 uDig;
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const char sMaxLst[] = " Max # of List reached. DECODE interrupted (actual %u of %u)";
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const char sPrmLn0[] = " MQPrm[%3u] has a zero length. DECODE Failed (MQPrm Count: %u)";
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const char sMaxPrm[] = " Max # of Parm reached. DECODE interrupted (actual %u of %u)";
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const char sPrmCnt[] = " Cnt=-1 and Length(%u) < 16. DECODE interrupted for elem %u";
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proto_item *ti = NULL;
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proto_tree *tree = NULL;
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if (uCount == (guint32)-1)
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{
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guint32 xOfs = offset;
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uCnt = 0;
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while (tvb_reported_length_remaining(tvb, xOfs) >= 16)
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{
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uLen = tvb_get_guint32(tvb, xOfs + 4, bLittleEndian);
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if (uLen < 16)
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{
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proto_tree_add_expert_format(tree, pinfo, &ei_mq_pcf_PrmCnt, tvb, xOfs, 16, sPrmCnt, uLen, uCnt);
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break;
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}
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uCnt++;
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xOfs += uLen;
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}
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uCount = uCnt;
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}
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uDig = dissect_mqpcf_getDigits(uCount);
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for (u = 0; u < uCount && u < mq_pcf_maxprm; u++)
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{
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tOfs = offset;
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uTyp = tvb_get_guint32(tvb, offset , bLittleEndian);
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uLen = tvb_get_guint32(tvb, offset + 4, bLittleEndian);
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if (uLen == 0)
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{
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proto_tree_add_expert_format(tree, pinfo, &ei_mq_pcf_prmln0, tvb, offset, 12, sPrmLn0, u+1, uCount);
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u = uCount;
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break;
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}
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uPrm = tvb_get_guint32(tvb, offset + 8, bLittleEndian);
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uLenF = 12;
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if (bParse)
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g_snprintf(strPrm, (gulong)sizeof(strPrm) - 1, " %-s[%*u] {%2d-%-15.15s} %8x/%5d-%-30.30s",
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"MQPrm", uDig, u+1,
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uTyp, val_to_str_ext_const(uTyp, GET_VALS_EXTP(PrmTyp), " Unknown") + 6,
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uPrm, uPrm, val_to_str_ext_const(uPrm, GET_VALS_EXTP(PrmId), "Unknown"));
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else
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g_snprintf(strPrm, (gulong)sizeof(strPrm) - 1, " %-s[%*u] {%2d-%-15.15s} %8x/%5d",
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"XtraD", uDig, u+1,
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uTyp, val_to_str_ext_const(uTyp, GET_VALS_EXTP(PrmTyp), " Unknown") + 6,
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uPrm, uPrm);
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switch (uTyp)
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{
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case MQ_MQCFT_NONE:
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break;
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case MQ_MQCFT_COMMAND:
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break;
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case MQ_MQCFT_RESPONSE:
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break;
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case MQ_MQCFT_INTEGER:
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{
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const guint8 *pVal = NULL;
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uVal = tvb_get_guint32(tvb, offset + uLenF, bLittleEndian);
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if (bParse)
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pVal = dissect_mqpcf_parm_getintval(uPrm, uVal);
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if (pVal)
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{
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tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL,
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"%s %8x-(%9d) %s", strPrm, uVal, uVal, pVal);
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}
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else
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{
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tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL,
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"%s %8x-(%9d)", strPrm, uVal, uVal);
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}
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proto_tree_add_item(tree, hf_mq_pcf_prmtyp, tvb, offset , 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmlen, tvb, offset + 4, 4, bLittleEndian);
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proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
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dissect_mqpcf_parm_int(tvb, tree, offset+uLenF, uPrm, uVal, hf_mq_pcf_int, 0, 0, 0, bParse);
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}
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break;
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case MQ_MQCFT_STRING:
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{
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guint8 *sStr;
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uCCS = tvb_get_guint32(tvb, offset + uLenF, bLittleEndian);
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uSLn = tvb_get_guint32(tvb, offset + uLenF + 4, bLittleEndian);
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sStr = tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 8,
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uSLn, (uCCS != 500) ? ENC_ASCII : ENC_EBCDIC);
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if (*sStr)
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strip_trailing_blanks(sStr, uSLn);
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if (*sStr)
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sStr = (guint8*)format_text_chr(wmem_packet_scope(), sStr, strlen((const char *)sStr), '.');
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tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s %s", strPrm, sStr);
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proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
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proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmccsid , tvb, offset + 12, 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmstrlen, tvb, offset + 16, 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_string, tvb, offset + uLenF + 8, uSLn, (uCCS != 500) ? ENC_ASCII : ENC_EBCDIC);
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}
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break;
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case MQ_MQCFT_INTEGER_LIST:
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{
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guint32 u2;
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guint32 uDigit = 0;
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uCnt = tvb_get_guint32(tvb, offset+uLenF, bLittleEndian);
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uDigit = dissect_mqpcf_getDigits(uCnt);
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tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, &ti, "%s Cnt(%d)", strPrm, uCnt);
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proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
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proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmcount, tvb, offset + 12, 4, bLittleEndian);
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offset += uLenF+4;
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for (u2 = 0; u2 < uCnt && u2 < mq_pcf_maxlst; u2++)
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{
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uVal = tvb_get_guint32(tvb, offset, bLittleEndian);
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dissect_mqpcf_parm_int(tvb, tree, offset, uPrm, uVal, hf_mq_pcf_intlist, u2+1, uCnt, uDigit, bParse);
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offset += 4;
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}
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if (u2 != uCnt)
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{
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proto_tree_add_expert_format(tree, pinfo, &ei_mq_pcf_MaxInt, tvb, offset, (uCnt- u2) * 4, sMaxLst, u2, uCnt);
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}
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}
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break;
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case MQ_MQCFT_STRING_LIST:
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{
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guint32 u2;
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guint32 uDigit;
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guint8 *sStr;
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header_field_info *hfinfo;
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hfinfo = proto_registrar_get_nth(hf_mq_pcf_stringlist);
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uCCS = tvb_get_guint32(tvb, offset + uLenF , bLittleEndian);
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uCnt = tvb_get_guint32(tvb, offset + uLenF + 4, bLittleEndian);
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uSLn = tvb_get_guint32(tvb, offset + uLenF + 8, bLittleEndian);
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tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s Cnt(%d)", strPrm, uCnt);
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proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
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proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmccsid , tvb, offset + 12, 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmcount , tvb, offset + 16, 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmstrlen, tvb, offset + 20, 4, bLittleEndian);
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uDigit = dissect_mqpcf_getDigits(uCnt);
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offset += uLenF+12;
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for (u2 = 0; u2 < uCnt && u2 < mq_pcf_maxlst; u2++)
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{
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sStr = tvb_get_string_enc(wmem_packet_scope(), tvb, offset,
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uSLn, (uCCS != 500) ? ENC_ASCII : ENC_EBCDIC);
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if (*sStr)
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strip_trailing_blanks(sStr, uSLn);
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if (*sStr)
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sStr = (guint8*)format_text_chr(wmem_packet_scope(), sStr, strlen((const char *)sStr), '.');
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proto_tree_add_string_format(tree, hf_mq_pcf_stringlist, tvb, offset, uSLn, (const char *)sStr,
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"%s[%*d]: %s", hfinfo->name, uDigit, u2+1, sStr);
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offset += uSLn;
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}
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if (u2 != uCnt)
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{
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proto_tree_add_expert_format(tree, pinfo, &ei_mq_pcf_MaxStr, tvb, offset,(uCnt - u2) * uSLn, sMaxLst, u2, uCnt);
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}
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}
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break;
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case MQ_MQCFT_EVENT:
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break;
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case MQ_MQCFT_USER:
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{
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tree = proto_tree_add_subtree(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, strPrm);
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proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
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proto_tree_add_item(tree, hf_mq_pcf_bytestring, tvb, offset + 8, uLen - 8, bLittleEndian);
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}
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break;
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case MQ_MQCFT_BYTE_STRING:
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{
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uSLn = tvb_get_guint32(tvb, offset + uLenF, bLittleEndian);
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if (uSLn)
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{
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guint8 *sStrA = (guint8 *)format_text_chr(wmem_packet_scope(), tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 4, uSLn, ENC_ASCII) , uSLn, '.');
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guint8 *sStrE = (guint8 *)format_text_chr(wmem_packet_scope(), tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 4, uSLn, ENC_EBCDIC), uSLn, '.');
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if (uSLn > 35)
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{
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tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL,
|
|
"%s [Truncated] A(%-.35s) E(%-.35s)", strPrm, sStrA, sStrE);
|
|
}
|
|
else
|
|
{
|
|
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL,
|
|
"%s A(%s) E(%s)", strPrm, sStrA, sStrE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s <MISSING>", strPrm);
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmstrlen, tvb, offset + 12, 4, bLittleEndian);
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_bytestring, tvb, offset + uLenF + 4 , uSLn, bLittleEndian);
|
|
}
|
|
break;
|
|
case MQ_MQCFT_TRACE_ROUTE:
|
|
break;
|
|
case MQ_MQCFT_REPORT:
|
|
break;
|
|
case MQ_MQCFT_INTEGER_FILTER:
|
|
{
|
|
guint32 uOpe;
|
|
|
|
uOpe = tvb_get_guint32(tvb, offset + uLenF , bLittleEndian);
|
|
uVal = tvb_get_guint32(tvb, offset + uLenF + 4, bLittleEndian);
|
|
|
|
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s %s %8x-(%9d)",
|
|
strPrm, val_to_str(uOpe, GET_VALSV(FilterOP), " Unknown (0x%02x)")+7, uVal, uVal);
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_filterop , tvb, offset + 12, 4, bLittleEndian);
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_int, tvb, offset + uLenF + 4, 4, bLittleEndian);
|
|
}
|
|
break;
|
|
case MQ_MQCFT_STRING_FILTER:
|
|
{
|
|
guint8 *sStr;
|
|
guint32 uOpe;
|
|
|
|
uOpe = tvb_get_guint32(tvb, offset + uLenF, bLittleEndian);
|
|
uCCS = tvb_get_guint32(tvb, offset + uLenF + 4, bLittleEndian);
|
|
uSLn = tvb_get_guint32(tvb, offset + uLenF + 8, bLittleEndian);
|
|
sStr = (guint8 *)format_text_chr(wmem_packet_scope(), tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 12, uSLn, (uCCS != 500) ? ENC_ASCII : ENC_EBCDIC), uSLn, '.');
|
|
strip_trailing_blanks(sStr, uSLn);
|
|
|
|
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s %s %s",
|
|
strPrm, val_to_str(uOpe, GET_VALSV(FilterOP), " Unknown (0x%02x)")+7, sStr);
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_filterop , tvb, offset + 12, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmccsid , tvb, offset + 16, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmstrlen, tvb, offset + 20, 4, bLittleEndian);
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_string, tvb, offset + uLenF + 12, uSLn, (uCCS != 500) ? ENC_ASCII : ENC_EBCDIC);
|
|
}
|
|
break;
|
|
case MQ_MQCFT_BYTE_STRING_FILTER:
|
|
{
|
|
guint32 uOpe;
|
|
uOpe = tvb_get_guint32(tvb, offset + uLenF, bLittleEndian);
|
|
uSLn = tvb_get_guint32(tvb, offset + uLenF + 4, bLittleEndian);
|
|
if (uSLn)
|
|
{
|
|
guint8 *sStrA = (guint8 *)format_text_chr(wmem_packet_scope(), tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 8, uSLn, ENC_ASCII), uSLn, '.');
|
|
guint8 *sStrE = (guint8 *)format_text_chr(wmem_packet_scope(), tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 8, uSLn, ENC_EBCDIC), uSLn, '.');
|
|
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s %s A(%s) E(%s)",
|
|
strPrm, val_to_str(uOpe, GET_VALSV(FilterOP), " Unknown (0x%02x)")+7, sStrA, sStrE);
|
|
}
|
|
else
|
|
{
|
|
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s %s <MISSING>",
|
|
strPrm, val_to_str(uOpe, GET_VALSV(FilterOP), " Unknown (0x%02x)")+7);
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_filterop , tvb, offset + 12, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmstrlen, tvb, offset + 16, 4, bLittleEndian);
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_bytestring, tvb, offset + uLenF + 8 , uSLn, bLittleEndian);
|
|
}
|
|
break;
|
|
case MQ_MQCFT_COMMAND_XR:
|
|
break;
|
|
case MQ_MQCFT_XR_MSG:
|
|
break;
|
|
case MQ_MQCFT_XR_ITEM:
|
|
break;
|
|
case MQ_MQCFT_XR_SUMMARY:
|
|
break;
|
|
case MQ_MQCFT_GROUP:
|
|
break;
|
|
case MQ_MQCFT_STATISTICS:
|
|
break;
|
|
case MQ_MQCFT_ACCOUNTING:
|
|
break;
|
|
case MQ_MQCFT_INTEGER64:
|
|
{
|
|
uVal64 = tvb_get_guint64(tvb, offset + uLenF + 4, bLittleEndian);
|
|
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL,
|
|
"%s %" G_GINT64_MODIFIER "x (%" G_GINT64_MODIFIER "d)", strPrm, uVal64, uVal64);
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmunused, tvb, offset + 12, 4, bLittleEndian);
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_int64, tvb, offset + uLenF + 4, 8, bLittleEndian);
|
|
}
|
|
break;
|
|
case MQ_MQCFT_INTEGER64_LIST:
|
|
{
|
|
guint32 u2;
|
|
guint32 uDigit;
|
|
header_field_info *hfinfo;
|
|
|
|
hfinfo = proto_registrar_get_nth(hf_mq_pcf_int64list);
|
|
|
|
uCnt = tvb_get_guint32(tvb, offset + uLenF, bLittleEndian);
|
|
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s Cnt(%d)", strPrm, uCnt);
|
|
uDigit = dissect_mqpcf_getDigits(uCnt);
|
|
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmtyp , tvb, offset , 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmlen , tvb, offset + 4, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, (bParse) ? hf_mq_pcf_prmid : hf_mq_pcf_prmidnovals, tvb, offset + 8, 4, bLittleEndian);
|
|
proto_tree_add_item(tree, hf_mq_pcf_prmcount, tvb, offset + 12, 4, bLittleEndian);
|
|
|
|
offset += uLenF + 4;
|
|
for (u2 = 0; u2 < uCnt && u2 < mq_pcf_maxlst; u2++)
|
|
{
|
|
uVal64 = tvb_get_guint64(tvb, offset, bLittleEndian);
|
|
proto_tree_add_int64_format(tree, hf_mq_pcf_int64list, tvb, offset, 8, uVal64,
|
|
"%s[%*d]: %" G_GINT64_MODIFIER "x (%" G_GINT64_MODIFIER "d)",
|
|
hfinfo->name, uDigit, u2+1, uVal64, uVal64);
|
|
offset += 8;
|
|
}
|
|
if (u2 != uCnt)
|
|
{
|
|
proto_tree_add_expert_format(tree, pinfo, &ei_mq_pcf_MaxI64, tvb, offset, (uCnt - u2) * 8, sMaxLst, u2, uCnt);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
offset = tOfs+uLen;
|
|
}
|
|
if (u != uCount)
|
|
{
|
|
proto_tree_add_expert_format(mq_tree, pinfo, &ei_mq_pcf_MaxPrm, tvb, offset, tvb_reported_length_remaining(tvb, offset), sMaxPrm, u, uCount);
|
|
}
|
|
}
|
|
|
|
static void dissect_mqpcf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, mq_parm_t* p_mq_parm)
|
|
{
|
|
gint offset = 0;
|
|
gboolean bLittleEndian;
|
|
|
|
bLittleEndian = ((p_mq_parm->mq_cur_ccsid.encod & MQ_MQENC_INTEGER_MASK) == MQ_MQENC_INTEGER_REVERSED) ? ENC_LITTLE_ENDIAN : ENC_BIG_ENDIAN;
|
|
|
|
if (tvb_reported_length(tvb) >= 36)
|
|
{
|
|
gint iSizeMQCFH = 36;
|
|
guint32 iCommand = tvb_get_guint32(tvb, offset + 12, bLittleEndian);
|
|
|
|
if (tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *mq_tree;
|
|
proto_tree *mqroot_tree;
|
|
char sTmp[256];
|
|
guint32 uCnt;
|
|
guint32 uTyp;
|
|
guint32 uCmd;
|
|
guint32 uCC;
|
|
guint32 uRC;
|
|
|
|
uTyp = tvb_get_guint32(tvb, offset , bLittleEndian);
|
|
uCmd = tvb_get_guint32(tvb, offset + 12, bLittleEndian);
|
|
uCC = tvb_get_guint32(tvb, offset + 24, bLittleEndian);
|
|
uRC = tvb_get_guint32(tvb, offset + 28, bLittleEndian);
|
|
uCnt = tvb_get_guint32(tvb, offset + 32, bLittleEndian);
|
|
|
|
if (uCC || uRC)
|
|
{
|
|
g_snprintf(sTmp, (gulong)sizeof(sTmp)-1, " %-s [%d-%s] {%d-%s} PrmCnt(%d) CC(%d-%s) RC(%d-%s)",
|
|
MQ_TEXT_CFH,
|
|
uTyp, val_to_str_const(uTyp, GET_VALSV(mqcft), "Unknown"),
|
|
uCmd, val_to_str_ext_const(uCmd, GET_VALS_EXTP(mqcmd), "Unknown"),
|
|
uCnt,
|
|
uCC, val_to_str_const(uCC, GET_VALSV(mqcc), "Unknown"),
|
|
uRC, val_to_str_ext_const(uRC, GET_VALS_EXTP(mqrc), "Unknown"));
|
|
}
|
|
else
|
|
{
|
|
g_snprintf(sTmp, (gulong)sizeof(sTmp)-1, " %-s [%d-%s] {%d-%s} PrmCnt(%d)",
|
|
MQ_TEXT_CFH,
|
|
uTyp, val_to_str_const(uTyp, GET_VALSV(mqcft), "Unknown"),
|
|
uCmd, val_to_str_ext_const(uCmd, GET_VALS_EXTP(mqcmd), "Unknown"),
|
|
uCnt);
|
|
}
|
|
|
|
ti = proto_tree_add_item(tree, proto_mqpcf, tvb, offset, -1, ENC_NA);
|
|
|
|
proto_item_append_text(ti, " (%s)", val_to_str_ext_const(iCommand, GET_VALS_EXTP(mqcmd), "Unknown (0x%02x)"));
|
|
mqroot_tree = proto_item_add_subtree(ti, ett_mqpcf);
|
|
|
|
mq_tree = proto_tree_add_subtree(mqroot_tree, tvb, offset, iSizeMQCFH, ett_mqpcf_cfh, NULL, sTmp);
|
|
|
|
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_type , tvb, offset + 0, 4, bLittleEndian);
|
|
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_length , tvb, offset + 4, 4, bLittleEndian);
|
|
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_version , tvb, offset + 8, 4, bLittleEndian);
|
|
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_command , tvb, offset + 12, 4, bLittleEndian);
|
|
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_MsgSeqNbr, tvb, offset + 16, 4, bLittleEndian);
|
|
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_control , tvb, offset + 20, 4, bLittleEndian);
|
|
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_compcode , tvb, offset + 24, 4, bLittleEndian);
|
|
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_reason , tvb, offset + 28, 4, bLittleEndian);
|
|
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_ParmCount, tvb, offset + 32, 4, bLittleEndian);
|
|
dissect_mqpcf_parm(tvb, pinfo, mqroot_tree, offset + iSizeMQCFH, uCnt, bLittleEndian, TRUE);
|
|
}
|
|
}
|
|
}
|
|
|
|
static gboolean dissect_mqpcf_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
if (data && tvb_reported_length(tvb) >= 36)
|
|
{
|
|
mq_parm_t *p_mq_parm = (mq_parm_t *)data;
|
|
if (strncmp((const char*)p_mq_parm->mq_format, MQ_MQFMT_ADMIN, 8) == 0
|
|
|| strncmp((const char*)p_mq_parm->mq_format, MQ_MQFMT_EVENT, 8) == 0
|
|
|| strncmp((const char*)p_mq_parm->mq_format, MQ_MQFMT_PCF, 8) == 0)
|
|
{
|
|
/* Dissect the packet */
|
|
dissect_mqpcf(tvb, pinfo, tree, p_mq_parm);
|
|
return TRUE;
|
|
}
|
|
if (strncmp((const char *)p_mq_parm->mq_format, "LPOO", 4) == 0)
|
|
{
|
|
gboolean bLittleEndian;
|
|
bLittleEndian = ((p_mq_parm->mq_cur_ccsid.encod & MQ_MQENC_INTEGER_MASK) == MQ_MQENC_INTEGER_REVERSED) ? ENC_LITTLE_ENDIAN:ENC_BIG_ENDIAN;
|
|
dissect_mqpcf_parm(tvb, pinfo, tree, 0, (guint32)-1, bLittleEndian, FALSE);
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void proto_register_mqpcf(void)
|
|
{
|
|
expert_module_t *expert_mqpcf;
|
|
|
|
static hf_register_info hf[] =
|
|
{
|
|
{ &hf_mqpcf_cfh_type , { "Type.....", "mqpcf.cfh.type" , FT_UINT32, BASE_DEC, VALS(mq_mqcft_vals), 0x0, "CFH type", HFILL }},
|
|
{ &hf_mqpcf_cfh_length , { "Length...", "mqpcf.cfh.length" , FT_UINT32, BASE_DEC, NULL, 0x0, "CFH length", HFILL }},
|
|
{ &hf_mqpcf_cfh_version , { "Version..", "mqpcf.cfh.version" , FT_UINT32, BASE_DEC, NULL, 0x0, "CFH version", HFILL }},
|
|
{ &hf_mqpcf_cfh_command , { "Command..", "mqpcf.cfh.command" , FT_UINT32, BASE_DEC | BASE_EXT_STRING, &mq_mqcmd_xvals, 0x0, "CFH command", HFILL }},
|
|
{ &hf_mqpcf_cfh_MsgSeqNbr, { "MsgSeqNbr", "mqpcf.cfh.MsgSeqNbr" , FT_UINT32, BASE_DEC, NULL, 0x0, "CFH message sequence number", HFILL }},
|
|
{ &hf_mqpcf_cfh_control , { "Control..", "mqpcf.cfh.control" , FT_UINT32, BASE_DEC, VALS(mq_CtlOpt_vals), 0x0, "CFH control", HFILL }},
|
|
{ &hf_mqpcf_cfh_compcode , { "CompCode.", "mqpcf.cfh.compcode" , FT_UINT32, BASE_DEC, VALS(mq_mqcc_vals), 0x0, "CFH completion code", HFILL }},
|
|
{ &hf_mqpcf_cfh_reason , { "ReasCode.", "mqpcf.cfh.reasoncode", FT_UINT32, BASE_DEC | BASE_EXT_STRING, &mq_mqrc_xvals, 0x0, "CFH reason code", HFILL }},
|
|
{ &hf_mqpcf_cfh_ParmCount, { "ParmCount", "mqpcf.cfh.ParmCount" , FT_UINT32, BASE_DEC, NULL, 0x0, "CFH parameter count", HFILL }},
|
|
|
|
{ &hf_mq_pcf_prmtyp , { "ParmTyp..", "mqpcf.parm.type" , FT_UINT32 , BASE_DEC | BASE_EXT_STRING, &mq_PrmTyp_xvals, 0x0, "MQPCF parameter type", HFILL }},
|
|
{ &hf_mq_pcf_prmlen , { "ParmLen..", "mqpcf.parm.len" , FT_UINT32 , BASE_DEC, NULL, 0x0, "MQPCF parameter length", HFILL }},
|
|
{ &hf_mq_pcf_prmid , { "ParmID...", "mqpcf.parm.id" , FT_UINT32 , BASE_DEC | BASE_EXT_STRING, &mq_PrmId_xvals, 0x0, "MQPCF parameter id", HFILL }},
|
|
{ &hf_mq_pcf_prmidnovals , { "ParmID...", "mqpcf.parm.idNoVals" , FT_UINT32 , BASE_HEX_DEC, NULL, 0x0, "MQPCF parameter id No Vals", HFILL }},
|
|
{ &hf_mq_pcf_filterop , { "FilterOP.", "mqpcf.filter.op" , FT_UINT32 , BASE_DEC, VALS(mq_FilterOP_vals), 0x0, "MQPCF Filter operator", HFILL }},
|
|
{ &hf_mq_pcf_prmccsid , { "ParmCCSID", "mqpcf.parm.ccsid" , FT_UINT32 , BASE_DEC | BASE_RANGE_STRING, RVALS(mq_ccsid_rvals), 0x0, "MQPCF parameter ccsid", HFILL }},
|
|
{ &hf_mq_pcf_prmstrlen , { "ParmStrLn", "mqpcf.parm.strlen" , FT_UINT32 , BASE_DEC, NULL, 0x0, "MQPCF parameter strlen", HFILL }},
|
|
{ &hf_mq_pcf_prmcount , { "ParmCount", "mqpcf.parm.count" , FT_UINT32 , BASE_DEC, NULL, 0x0, "MQPCF parameter count", HFILL }},
|
|
{ &hf_mq_pcf_prmunused , { "ParmUnuse", "mqpcf.parm.unused" , FT_UINT32 , BASE_DEC, NULL, 0x0, "MQPCF parameter unused", HFILL }},
|
|
{ &hf_mq_pcf_string , { "String...", "mqpcf.parm.string" , FT_STRINGZ, BASE_NONE, NULL, 0x0, "MQPCF parameter string", HFILL }},
|
|
{ &hf_mq_pcf_stringlist , { "StrList..", "mqpcf.parm.stringlist", FT_STRINGZ, BASE_NONE, NULL, 0x0, "MQPCF parameter string list", HFILL }},
|
|
{ &hf_mq_pcf_int , { "Integer..", "mqpcf.parm.int" , FT_INT32 , BASE_DEC, NULL, 0x0, "MQPCF parameter int", HFILL }},
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|
{ &hf_mq_pcf_intlist , { "IntList..", "mqpcf.parm.intlist" , FT_INT32 , BASE_DEC, NULL, 0x0, "MQPCF parameter int list", HFILL }},
|
|
{ &hf_mq_pcf_bytestring , { "ByteStr..", "mqpcf.parm.bytestring", FT_BYTES , BASE_NONE, NULL, 0x0, "MQPCF parameter byte string", HFILL }},
|
|
{ &hf_mq_pcf_int64 , { "Int64....", "mqpcf.parm.int64" , FT_INT64 , BASE_DEC, NULL, 0x0, "MQPCF parameter int64", HFILL }},
|
|
{ &hf_mq_pcf_int64list , { "Int64List", "mqpcf.parm.int64list" , FT_INT64 , BASE_DEC, NULL, 0x0, "MQPCF parameter int64 list", HFILL }},
|
|
};
|
|
static gint *ett[] =
|
|
{
|
|
&ett_mqpcf,
|
|
&ett_mqpcf_prm,
|
|
&ett_mqpcf_cfh,
|
|
};
|
|
static ei_register_info ei[] =
|
|
{
|
|
{ &ei_mq_pcf_prmln0, { "mqpcf.parm.len0" , PI_MALFORMED, PI_ERROR, "MQPCF Parameter length is 0", EXPFILL }},
|
|
{ &ei_mq_pcf_MaxInt, { "mqpcf.parm.IntList" , PI_UNDECODED, PI_WARN , "MQPCF Parameter Integer list exhausted", EXPFILL }},
|
|
{ &ei_mq_pcf_MaxStr, { "mqpcf.parm.StrList" , PI_UNDECODED, PI_WARN , "MQPCF Parameter String list exhausted", EXPFILL }},
|
|
{ &ei_mq_pcf_MaxI64, { "mqpcf.parm.Int64List", PI_UNDECODED, PI_WARN , "MQPCF Parameter Int64 list exhausted", EXPFILL }},
|
|
{ &ei_mq_pcf_MaxPrm, { "mqpcf.parm.MaxPrm" , PI_UNDECODED, PI_WARN , "MQPCF Max number of parameter exhausted", EXPFILL }},
|
|
{ &ei_mq_pcf_PrmCnt, { "mqpcf.parm.PrmCnt" , PI_UNDECODED, PI_WARN , "MQPCF Unkn Parm Cnt Length invalid", EXPFILL }},
|
|
};
|
|
|
|
module_t *mq_pcf_module;
|
|
|
|
proto_mqpcf = proto_register_protocol("WebSphere MQ Programmable Command Formats", "MQ PCF", "mqpcf");
|
|
proto_register_field_array(proto_mqpcf, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
expert_mqpcf = expert_register_protocol(proto_mqpcf);
|
|
expert_register_field_array(expert_mqpcf, ei, array_length(ei));
|
|
|
|
mq_pcf_module = prefs_register_protocol(proto_mqpcf, NULL);
|
|
prefs_register_uint_preference(mq_pcf_module, "maxprm",
|
|
"Set the maximum number of parameters in the PCF to decode",
|
|
"When dissecting PCF there can be a lot of parameters."
|
|
" You can limit the number of parameter decoded, before it continue with the next PCF.",
|
|
10, &mq_pcf_maxprm);
|
|
prefs_register_uint_preference(mq_pcf_module, "maxlst",
|
|
"Set the maximum number of Parameter List that are displayed",
|
|
"When dissecting a parameter of a PCFm, if it is a StringList, IntegerList or Integer64 List, "
|
|
" You can limit the number of elements displayed, before it continues with the next Parameter.",
|
|
10, &mq_pcf_maxlst);
|
|
|
|
}
|
|
|
|
void proto_reg_handoff_mqpcf(void)
|
|
{
|
|
heur_dissector_add("mq", dissect_mqpcf_heur, "WebSphere MQ PCF", "mqpcf_mq", proto_mqpcf, HEURISTIC_ENABLE);
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
*/
|