static guint64
tvb_get_guintX(tvbuff_t *tvb, const gint offset, const gint size, const guint encoding) {
switch (size) {
case 1:
return tvb_get_guint8(tvb, offset);
case 2:
return tvb_get_guint16(tvb, offset, encoding);
case 3:
return tvb_get_guint24(tvb, offset, encoding);
case 4:
return tvb_get_guint32(tvb, offset, encoding);
case 5:
return tvb_get_guint40(tvb, offset, encoding);
case 6:
return tvb_get_guint48(tvb, offset, encoding);
case 7:
return tvb_get_guint56(tvb, offset, encoding);
case 8:
return tvb_get_guint64(tvb, offset, encoding);
}
return 0;
}
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);
}
}
}
void dissect_mqpcf_parm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *mq_tree,
guint offset, guint32 uCount, guint bLittleEndian, gboolean bParse)
{
guint32 u = 0;
guint32 tOfs = 0;
guint32 uLenF;
char strPrm[256];
guint32 uTyp;
guint32 uLen = 0;
guint32 uPrm;
guint32 uCnt;
guint32 uCCS;
guint32 uSLn;
guint32 uVal;
guint64 uVal64;
guint32 uDig;
const char sMaxLst[] = " Max # of List reached. DECODE interrupted (actual %u of %u)";
const char sPrmLn0[] = " MQPrm[%3u] has a zero length. DECODE Failed (MQPrm Count: %u)";
const char sMaxPrm[] = " Max # of Parm reached. DECODE interrupted (actual %u of %u)";
const char sPrmCnt[] = " Cnt=-1 and Length(%u) < 16. DECODE interrupted for elem %u";
proto_item *ti = NULL;
proto_tree *tree = NULL;
if (uCount == (guint32)-1)
{
guint32 xOfs = offset;
uCnt = 0;
while (tvb_reported_length_remaining(tvb, xOfs) >= 16)
{
uLen = tvb_get_guint32(tvb, xOfs + 4, bLittleEndian);
if (uLen < 16)
{
proto_tree_add_expert_format(tree, pinfo, &ei_mq_pcf_PrmCnt, tvb, xOfs, 16, sPrmCnt, uLen, uCnt);
break;
}
uCnt++;
xOfs += uLen;
}
uCount = uCnt;
}
uDig = dissect_mqpcf_getDigits(uCount);
for (u = 0; u < uCount && u < mq_pcf_maxprm; u++)
{
tOfs = offset;
uTyp = tvb_get_guint32(tvb, offset , bLittleEndian);
uLen = tvb_get_guint32(tvb, offset + 4, bLittleEndian);
if (uLen == 0)
{
proto_tree_add_expert_format(tree, pinfo, &ei_mq_pcf_prmln0, tvb, offset, 12, sPrmLn0, u+1, uCount);
u = uCount;
break;
}
uPrm = tvb_get_guint32(tvb, offset + 8, bLittleEndian);
uLenF = 12;
if (bParse)
g_snprintf(strPrm, (gulong)sizeof(strPrm) - 1, " %-s[%*u] {%2d-%-15.15s} %8x/%5d-%-30.30s",
"MQPrm", uDig, u+1,
uTyp, val_to_str_ext_const(uTyp, GET_VALS_EXTP(PrmTyp), " Unknown") + 6,
uPrm, uPrm, val_to_str_ext_const(uPrm, GET_VALS_EXTP(PrmId), "Unknown"));
else
g_snprintf(strPrm, (gulong)sizeof(strPrm) - 1, " %-s[%*u] {%2d-%-15.15s} %8x/%5d",
"XtraD", uDig, u+1,
uTyp, val_to_str_ext_const(uTyp, GET_VALS_EXTP(PrmTyp), " Unknown") + 6,
uPrm, uPrm);
switch (uTyp)
{
case MQ_MQCFT_NONE:
break;
case MQ_MQCFT_COMMAND:
break;
case MQ_MQCFT_RESPONSE:
break;
case MQ_MQCFT_INTEGER:
{
const guint8 *pVal = NULL;
uVal = tvb_get_guint32(tvb, offset + uLenF, bLittleEndian);
if (bParse)
pVal = dissect_mqpcf_parm_getintval(uPrm, uVal);
if (pVal)
{
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL,
"%s %8x-(%9d) %s", strPrm, uVal, uVal, pVal);
}
else
{
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL,
"%s %8x-(%9d)", strPrm, 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);
dissect_mqpcf_parm_int(tvb, tree, offset+uLenF, uPrm, uVal, hf_mq_pcf_int, 0, 0, 0, bParse);
}
break;
case MQ_MQCFT_STRING:
{
guint8 *sStr;
uCCS = tvb_get_guint32(tvb, offset + uLenF, bLittleEndian);
uSLn = tvb_get_guint32(tvb, offset + uLenF + 4, bLittleEndian);
sStr = tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 8,
uSLn, (uCCS != 500) ? ENC_ASCII : ENC_EBCDIC);
if (*sStr)
strip_trailing_blanks(sStr, uSLn);
if (*sStr)
format_text_chr(sStr, strlen((const char *)sStr), '.');
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s %s", strPrm, 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_prmccsid , 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_string, tvb, offset + uLenF + 8, uSLn, (uCCS != 500) ? ENC_ASCII : ENC_EBCDIC);
}
break;
case MQ_MQCFT_INTEGER_LIST:
{
guint32 u2;
guint32 uDigit = 0;
uCnt = tvb_get_guint32(tvb, offset+uLenF, bLittleEndian);
uDigit = dissect_mqpcf_getDigits(uCnt);
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, &ti, "%s Cnt(%d)", strPrm, 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++)
{
uVal = tvb_get_guint32(tvb, offset, bLittleEndian);
dissect_mqpcf_parm_int(tvb, tree, offset, uPrm, uVal, hf_mq_pcf_intlist, u2+1, uCnt, uDigit, bParse);
offset += 4;
}
if (u2 != uCnt)
{
proto_tree_add_expert_format(tree, pinfo, &ei_mq_pcf_MaxInt, tvb, offset, (uCnt- u2) * 4, sMaxLst, u2, uCnt);
}
}
break;
case MQ_MQCFT_STRING_LIST:
{
guint32 u2;
guint32 uDigit;
guint8 *sStr;
header_field_info *hfinfo;
hfinfo = proto_registrar_get_nth(hf_mq_pcf_stringlist);
uCCS = tvb_get_guint32(tvb, offset + uLenF , bLittleEndian);
uCnt = tvb_get_guint32(tvb, offset + uLenF + 4, bLittleEndian);
uSLn = tvb_get_guint32(tvb, offset + uLenF + 8, bLittleEndian);
tree = proto_tree_add_subtree_format(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, "%s Cnt(%d)", strPrm, 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_prmccsid , tvb, offset + 12, 4, bLittleEndian);
proto_tree_add_item(tree, hf_mq_pcf_prmcount , tvb, offset + 16, 4, bLittleEndian);
proto_tree_add_item(tree, hf_mq_pcf_prmstrlen, tvb, offset + 20, 4, bLittleEndian);
uDigit = dissect_mqpcf_getDigits(uCnt);
offset += uLenF+12;
for (u2 = 0; u2 < uCnt && u2 < mq_pcf_maxlst; u2++)
{
sStr = tvb_get_string_enc(wmem_packet_scope(), tvb, offset,
uSLn, (uCCS != 500) ? ENC_ASCII : ENC_EBCDIC);
if (*sStr)
strip_trailing_blanks(sStr, uSLn);
if (*sStr)
format_text_chr(sStr, strlen((const char *)sStr), '.');
proto_tree_add_string_format(tree, hf_mq_pcf_stringlist, tvb, offset, uSLn, (const char *)sStr,
"%s[%*d]: %s", hfinfo->name, uDigit, u2+1, sStr);
offset += uSLn;
}
if (u2 != uCnt)
{
proto_tree_add_expert_format(tree, pinfo, &ei_mq_pcf_MaxStr, tvb, offset,(uCnt - u2) * uSLn, sMaxLst, u2, uCnt);
}
}
break;
case MQ_MQCFT_EVENT:
break;
case MQ_MQCFT_USER:
{
tree = proto_tree_add_subtree(mq_tree, tvb, offset, uLen, ett_mqpcf_prm, NULL, 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, hf_mq_pcf_bytestring, tvb, offset + 8, uLen - 8, bLittleEndian);
}
break;
case MQ_MQCFT_BYTE_STRING:
{
uSLn = tvb_get_guint32(tvb, offset + uLenF, bLittleEndian);
if (uSLn)
{
guint8 *sStrA = (guint8 *)format_text_chr(tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 4, uSLn, ENC_ASCII) , uSLn, '.');
guint8 *sStrE = (guint8 *)format_text_chr(tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 4, uSLn, ENC_EBCDIC), uSLn, '.');
if (uSLn > 35)
{
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(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(tvb_get_string_enc(wmem_packet_scope(), tvb, offset + uLenF + 8, uSLn, ENC_ASCII), uSLn, '.');
guint8 *sStrE = (guint8 *)format_text_chr(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);
}
}
void dissect_nvme_cmd_sgl(tvbuff_t *cmd_tvb, proto_tree *cmd_tree,
int field_index, struct nvme_cmd_ctx *cmd_ctx)
{
proto_item *ti, *sgl_tree, *type_item, *sub_type_item;
guint8 sgl_identifier, desc_type, desc_sub_type;
int offset = 24;
ti = proto_tree_add_item(cmd_tree, field_index, cmd_tvb, offset,
16, ENC_NA);
sgl_tree = proto_item_add_subtree(ti, ett_data);
sgl_identifier = tvb_get_guint8(cmd_tvb, offset + 15);
desc_type = (sgl_identifier & 0xff) >> 4;
desc_sub_type = sgl_identifier & 0x0f;
type_item = proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_type,
cmd_tvb, offset + 15, 1, ENC_LITTLE_ENDIAN);
proto_item_append_text(type_item, " %s",
val_to_str(desc_type, sgl_type_tbl, "Reserved"));
sub_type_item = proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_sub_type,
cmd_tvb,
offset + 15, 1, ENC_LITTLE_ENDIAN);
proto_item_append_text(sub_type_item, " %s",
val_to_str(desc_sub_type, sgl_sub_type_tbl, "Reserved"));
switch (desc_type) {
case NVME_CMD_SGL_DATA_DESC:
case NVME_CMD_SGL_LAST_SEGMENT_DESC:
case NVME_CMD_SGL_SEGMENT_DESC:
proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_addr, cmd_tvb,
offset, 8, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_len, cmd_tvb,
offset + 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_rsvd, cmd_tvb,
offset + 12, 3, ENC_NA);
break;
case NVME_CMD_SGL_BIT_BUCKET_DESC:
proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_addr_rsvd, cmd_tvb,
offset, 8, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_len, cmd_tvb,
offset + 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_rsvd, cmd_tvb,
offset + 12, 3, ENC_NA);
break;
case NVME_CMD_SGL_KEYED_DATA_DESC:
if (cmd_ctx)
cmd_ctx->remote_key = tvb_get_guint32(cmd_tvb, offset + 11,
ENC_LITTLE_ENDIAN);
proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_addr, cmd_tvb,
offset, 8, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_len, cmd_tvb,
offset + 8, 3, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sgl_tree, hf_nvme_cmd_sgl_desc_key, cmd_tvb,
offset + 11, 4, ENC_LITTLE_ENDIAN);
break;
case NVME_CMD_SGL_VENDOR_DESC:
default:
break;
}
}
static int
dissect_pcap_pktdata(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
gint offset = 0;
guint32 *link_type;
guint32 length = 0;
tvbuff_t *next_tvb;
proto_item *pseudoheader_item;
proto_tree *pseudoheader_tree = NULL;
proto_item *packet_item;
proto_tree *packet_tree;
DISSECTOR_ASSERT(data);
link_type = (guint32 *) data;
pinfo->phdr->pkt_encap = wtap_pcap_encap_to_wtap_encap(*link_type);
switch (*link_type) {
case 139:
/* TODO no description for pseudoheader at http://www.tcpdump.org/linktypes.html */
break;
case 196:
length = 5;
break;
case 197:
/* TODO no description for pseudoheader at http://www.tcpdump.org/linktypes.html */
break;
case 201:
length = 4;
break;
case 204:
length = 1;
break;
case 205:
length = 1;
break;
case 206:
length = 1;
break;
case 209:
length = 6;
break;
case 226:
length = 24;
break;
case 227:
/* TODO no description for pseudoheader at http://www.tcpdump.org/linktypes.html */
break;
case 240:
case 241:
length = 4;
break;
case 244:
length = 20;
break;
case 245:
length = 20;
break;
}
if (length > 0) {
pseudoheader_item = proto_tree_add_item(tree, hf_pcap_pktdata_pseudoheader, tvb, offset, length, ENC_NA);
pseudoheader_tree = proto_item_add_subtree(pseudoheader_item, ett_pcap_pktdata_pseudoheader);
}
switch (*link_type) {
case 201:
proto_tree_add_item(pseudoheader_tree, hf_pcap_pktdata_pseudoheader_bluetooth_direction, tvb, offset, 4, ENC_BIG_ENDIAN);
if (tvb_get_guint32(tvb, offset, ENC_BIG_ENDIAN) == 0)
pinfo->p2p_dir = P2P_DIR_SENT;
else if (tvb_get_guint32(tvb, offset, ENC_BIG_ENDIAN) == 1)
pinfo->p2p_dir = P2P_DIR_RECV;
else
pinfo->p2p_dir = P2P_DIR_UNKNOWN;
offset += 4;
break;
default:
offset += length;
}
next_tvb = tvb_new_subset_remaining(tvb, offset);
packet_item = proto_tree_add_item(tree, hf_pcap_pktdata_data, tvb, offset, tvb_reported_length(next_tvb), ENC_NA);
packet_tree = proto_item_add_subtree(packet_item, ett_pcap_pktdata_data);
offset = dissector_try_uint_new(wtap_encap_table, pinfo->phdr->pkt_encap, next_tvb, pinfo, packet_tree, TRUE, NULL);
return offset;
}
/* Process an APP1 block.
*
* XXX - This code only works on US-ASCII systems!!!
*/
static int
process_app1_segment(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, guint32 len,
guint16 marker, const char *marker_name, gboolean show_first_identifier_not_jfif)
{
proto_item *ti;
proto_tree *subtree;
char *str;
gint str_size;
int offset = 0;
int tiff_start;
ti = proto_tree_add_item(tree, hf_marker_segment,
tvb, 0, -1, ENC_NA);
subtree = proto_item_add_subtree(ti, ett_marker_segment);
proto_item_append_text(ti, ": %s (0x%04X)", marker_name, marker);
proto_tree_add_item(subtree, hf_marker, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(subtree, hf_len, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
str = tvb_get_stringz_enc(wmem_packet_scope(), tvb, offset, &str_size, ENC_ASCII);
ti = proto_tree_add_item(subtree, hf_identifier, tvb, offset, str_size, ENC_ASCII|ENC_NA);
offset += str_size;
if (show_first_identifier_not_jfif && strcmp(str, "JFIF") != 0) {
expert_add_info(pinfo, ti, &ei_file_jpeg_first_identifier_not_jfif);
}
if (strcmp(str, "Exif") == 0) {
/*
* Endianness
*/
int encoding;
guint16 val_16;
guint32 val_32, num_fields;
proto_item* tiff_item;
offset++; /* Skip a byte supposed to be 0x00 */
tiff_start = offset;
val_16 = tvb_get_ntohs(tvb, offset);
if (val_16 == 0x4949) {
encoding = ENC_LITTLE_ENDIAN;
proto_tree_add_uint_format_value(subtree, hf_endianness, tvb, offset, 2, val_16, "little endian");
} else if (val_16 == 0x4D4D) {
encoding = ENC_BIG_ENDIAN;
proto_tree_add_uint_format_value(subtree, hf_endianness, tvb, offset, 2, val_16, "big endian");
} else {
/* Error: invalid endianness encoding */
proto_tree_add_uint_format_value(subtree, hf_endianness, tvb, offset, 2, val_16,
"Incorrect encoding 0x%04x- skipping the remainder of this application marker", val_16);
return offset;
}
offset += 2;
/*
* Fixed value 42 = 0x002a
*/
offset += 2;
/*
* Offset to IFD
*/
val_32 = tvb_get_guint32(tvb, offset, encoding);
tiff_item = proto_tree_add_uint_format_value(subtree, hf_start_ifd_offset, tvb, offset, 4, val_32, "%u bytes",
val_32);
offset += 4;
/*
* Check for a bogus val_32 value.
* XXX - bogus value message should also deal with a
* value that's too large and causes an overflow.
* Or should it just check against the segment length,
* which is 16 bits?
*/
if (val_32 + tiff_start < (guint32)offset) {
expert_add_info_format(pinfo, tiff_item, &ei_start_ifd_offset, " (bogus, should be >= %u)",
offset- tiff_start);
return offset;
}
/*
* Skip the following portion
*/
if (val_32 + tiff_start > (guint32)offset) {
proto_tree_add_bytes_format_value(subtree, hf_skipped_tiff_data, tvb, offset, val_32 + tiff_start - offset, NULL, "%u bytes",
val_32 + tiff_start - offset);
}
for (;;) {
offset = val_32 + tiff_start;
/*
* Process the IFD
*/
proto_tree_add_item_ret_uint(subtree, hf_ifd_num_fields, tvb, offset, 2, encoding, &num_fields);
offset += 2;
while (num_fields-- > 0) {
proto_tree_add_item(subtree, hf_idf_tag, tvb, offset, 2, encoding);
offset += 2;
proto_tree_add_item(subtree, hf_idf_type, tvb, offset, 2, encoding);
offset += 2;
proto_tree_add_item(subtree, hf_idf_count, tvb, offset, 4, encoding);
offset += 4;
proto_tree_add_item(subtree, hf_idf_offset, tvb, offset, 4, encoding);
offset += 4;
}
/*
* Offset to the next IFD
*/
val_32 = tvb_get_guint32(tvb, offset, encoding);
tiff_item = proto_tree_add_uint_format_value(subtree, hf_next_ifd_offset, tvb, offset, 4, val_32, "%u bytes",
val_32);
offset += 4;
if (val_32 != 0 &&
val_32 + tiff_start < (guint32)offset) {
expert_add_info_format(pinfo, tiff_item, &ei_next_ifd_offset, " (bogus, should be >= %u)", offset + tiff_start);
return offset;
}
if (val_32 == 0)
break;
}
} else {
proto_tree_add_bytes_format_value(subtree, hf_remain_seg_data, tvb, offset, -1, NULL, "%u bytes", len - 2 - str_size);
proto_item_append_text(ti, " (Unknown identifier)");
}
return offset;
}
