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Updates from Mark Burton. 

svn path=/trunk/; revision=3618
This commit is contained in:
Guy Harris 2001-06-28 08:05:26 +00:00
parent c70cdb456f
commit 0ffd5686d1
1 changed files with 234 additions and 40 deletions
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274
packet-iscsi.c
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@ -5,7 +5,7 @@
* Conforms to the protocol described in: draft-ietf-ips-iscsi-06.txt
* Optionally, supports the protocol described in: draft-ietf-ips-iscsi-03.txt
*
* $Id: packet-iscsi.c,v 1.6 2001/06/18 02:17:47 guy Exp $
* $Id: packet-iscsi.c,v 1.7 2001/06/28 08:05:26 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -56,12 +56,16 @@ static int enable_bogosity_filter = TRUE;
static int bogus_pdu_data_length_threshold = 1024 * 1024;
static int bogus_pdu_max_digest_padding = 20;
static int enable_force_header_digest_crc32 = FALSE;
/* Initialize the protocol and registered fields */
static int proto_iscsi = -1;
static int hf_iscsi_Padding = -1;
static int hf_iscsi_Payload = -1;
static int hf_iscsi_Opcode = -1;
static int hf_iscsi_Opcode_03 = -1;
static int hf_iscsi_Flags = -1;
static int hf_iscsi_HeaderDigest32 = -1;
#if 0
static int hf_iscsi_X = -1;
static int hf_iscsi_I = -1;
@ -141,6 +145,7 @@ static int hf_iscsi_SCSIEvent03 = -1;
static int hf_iscsi_iSCSIEvent03 = -1;
static int hf_iscsi_Parameter1 = -1;
static int hf_iscsi_Parameter2 = -1;
static int hf_iscsi_Parameter3 = -1;
static int hf_iscsi_Reject_Reason = -1;
static int hf_iscsi_Reject_FirstBadByte = -1;
static int hf_iscsi_Reject_Reason03 = -1;
@ -450,6 +455,7 @@ static const value_string iscsi_logout_response[] = {
};
static const value_string iscsi_scsievents03[] = {
{0, "No SCSI asynchronous event has occurred"},
{1, "Error condition encountered after command completion"},
{2, "A newly initialised device is available to the initiator"},
{3, "All task sets are being reset by another initiator"},
@ -459,12 +465,28 @@ static const value_string iscsi_scsievents03[] = {
};
static const value_string iscsi_iscsievents03[] = {
{0, "No iSCSI event has occurred"},
{1, "Target is being reset"},
{2, "Target requests logout"},
{3, "Target will drop connection"},
{0, NULL},
};
static const value_string iscsi_scsievents[] = {
{0, "No SCSI asynchronous event has occurred"},
{1, "A SCSI asynchronous event is reported in the sense data"},
{0, NULL},
};
static const value_string iscsi_iscsievents[] = {
{0, "No iSCSI event has occurred"},
{1, "Target is being reset"},
{2, "Target requests logout"},
{3, "Target will/has dropped connection"},
{4, "Target will/has dropped all connections"},
{0, NULL},
};
static const value_string iscsi_reject_reasons03[] = {
{1, "Format error"},
{2, "Header digest error"},
@ -482,11 +504,110 @@ static const value_string iscsi_reject_reasons[] = {
{0, NULL},
};
static int iscsi_min(int a, int b) {
/*****************************************************************/
/* */
/* CRC LOOKUP TABLE */
/* ================ */
/* The following CRC lookup table was generated automagically */
/* by the Rocksoft^tm Model CRC Algorithm Table Generation */
/* Program V1.0 using the following model parameters: */
/* */
/* Width : 4 bytes. */
/* Poly : 0x1EDC6F41L */
/* Reverse : TRUE. */
/* */
/* For more information on the Rocksoft^tm Model CRC Algorithm, */
/* see the document titled "A Painless Guide to CRC Error */
/* Detection Algorithms" by Ross Williams */
/* (ross@guest.adelaide.edu.au.). This document is likely to be */
/* in the FTP archive "ftp.adelaide.edu.au/pub/rocksoft". */
/* */
/*****************************************************************/
static guint32 crc32Table[256] = {
0x00000000L, 0xF26B8303L, 0xE13B70F7L, 0x1350F3F4L,
0xC79A971FL, 0x35F1141CL, 0x26A1E7E8L, 0xD4CA64EBL,
0x8AD958CFL, 0x78B2DBCCL, 0x6BE22838L, 0x9989AB3BL,
0x4D43CFD0L, 0xBF284CD3L, 0xAC78BF27L, 0x5E133C24L,
0x105EC76FL, 0xE235446CL, 0xF165B798L, 0x030E349BL,
0xD7C45070L, 0x25AFD373L, 0x36FF2087L, 0xC494A384L,
0x9A879FA0L, 0x68EC1CA3L, 0x7BBCEF57L, 0x89D76C54L,
0x5D1D08BFL, 0xAF768BBCL, 0xBC267848L, 0x4E4DFB4BL,
0x20BD8EDEL, 0xD2D60DDDL, 0xC186FE29L, 0x33ED7D2AL,
0xE72719C1L, 0x154C9AC2L, 0x061C6936L, 0xF477EA35L,
0xAA64D611L, 0x580F5512L, 0x4B5FA6E6L, 0xB93425E5L,
0x6DFE410EL, 0x9F95C20DL, 0x8CC531F9L, 0x7EAEB2FAL,
0x30E349B1L, 0xC288CAB2L, 0xD1D83946L, 0x23B3BA45L,
0xF779DEAEL, 0x05125DADL, 0x1642AE59L, 0xE4292D5AL,
0xBA3A117EL, 0x4851927DL, 0x5B016189L, 0xA96AE28AL,
0x7DA08661L, 0x8FCB0562L, 0x9C9BF696L, 0x6EF07595L,
0x417B1DBCL, 0xB3109EBFL, 0xA0406D4BL, 0x522BEE48L,
0x86E18AA3L, 0x748A09A0L, 0x67DAFA54L, 0x95B17957L,
0xCBA24573L, 0x39C9C670L, 0x2A993584L, 0xD8F2B687L,
0x0C38D26CL, 0xFE53516FL, 0xED03A29BL, 0x1F682198L,
0x5125DAD3L, 0xA34E59D0L, 0xB01EAA24L, 0x42752927L,
0x96BF4DCCL, 0x64D4CECFL, 0x77843D3BL, 0x85EFBE38L,
0xDBFC821CL, 0x2997011FL, 0x3AC7F2EBL, 0xC8AC71E8L,
0x1C661503L, 0xEE0D9600L, 0xFD5D65F4L, 0x0F36E6F7L,
0x61C69362L, 0x93AD1061L, 0x80FDE395L, 0x72966096L,
0xA65C047DL, 0x5437877EL, 0x4767748AL, 0xB50CF789L,
0xEB1FCBADL, 0x197448AEL, 0x0A24BB5AL, 0xF84F3859L,
0x2C855CB2L, 0xDEEEDFB1L, 0xCDBE2C45L, 0x3FD5AF46L,
0x7198540DL, 0x83F3D70EL, 0x90A324FAL, 0x62C8A7F9L,
0xB602C312L, 0x44694011L, 0x5739B3E5L, 0xA55230E6L,
0xFB410CC2L, 0x092A8FC1L, 0x1A7A7C35L, 0xE811FF36L,
0x3CDB9BDDL, 0xCEB018DEL, 0xDDE0EB2AL, 0x2F8B6829L,
0x82F63B78L, 0x709DB87BL, 0x63CD4B8FL, 0x91A6C88CL,
0x456CAC67L, 0xB7072F64L, 0xA457DC90L, 0x563C5F93L,
0x082F63B7L, 0xFA44E0B4L, 0xE9141340L, 0x1B7F9043L,
0xCFB5F4A8L, 0x3DDE77ABL, 0x2E8E845FL, 0xDCE5075CL,
0x92A8FC17L, 0x60C37F14L, 0x73938CE0L, 0x81F80FE3L,
0x55326B08L, 0xA759E80BL, 0xB4091BFFL, 0x466298FCL,
0x1871A4D8L, 0xEA1A27DBL, 0xF94AD42FL, 0x0B21572CL,
0xDFEB33C7L, 0x2D80B0C4L, 0x3ED04330L, 0xCCBBC033L,
0xA24BB5A6L, 0x502036A5L, 0x4370C551L, 0xB11B4652L,
0x65D122B9L, 0x97BAA1BAL, 0x84EA524EL, 0x7681D14DL,
0x2892ED69L, 0xDAF96E6AL, 0xC9A99D9EL, 0x3BC21E9DL,
0xEF087A76L, 0x1D63F975L, 0x0E330A81L, 0xFC588982L,
0xB21572C9L, 0x407EF1CAL, 0x532E023EL, 0xA145813DL,
0x758FE5D6L, 0x87E466D5L, 0x94B49521L, 0x66DF1622L,
0x38CC2A06L, 0xCAA7A905L, 0xD9F75AF1L, 0x2B9CD9F2L,
0xFF56BD19L, 0x0D3D3E1AL, 0x1E6DCDEEL, 0xEC064EEDL,
0xC38D26C4L, 0x31E6A5C7L, 0x22B65633L, 0xD0DDD530L,
0x0417B1DBL, 0xF67C32D8L, 0xE52CC12CL, 0x1747422FL,
0x49547E0BL, 0xBB3FFD08L, 0xA86F0EFCL, 0x5A048DFFL,
0x8ECEE914L, 0x7CA56A17L, 0x6FF599E3L, 0x9D9E1AE0L,
0xD3D3E1ABL, 0x21B862A8L, 0x32E8915CL, 0xC083125FL,
0x144976B4L, 0xE622F5B7L, 0xF5720643L, 0x07198540L,
0x590AB964L, 0xAB613A67L, 0xB831C993L, 0x4A5A4A90L,
0x9E902E7BL, 0x6CFBAD78L, 0x7FAB5E8CL, 0x8DC0DD8FL,
0xE330A81AL, 0x115B2B19L, 0x020BD8EDL, 0xF0605BEEL,
0x24AA3F05L, 0xD6C1BC06L, 0xC5914FF2L, 0x37FACCF1L,
0x69E9F0D5L, 0x9B8273D6L, 0x88D28022L, 0x7AB90321L,
0xAE7367CAL, 0x5C18E4C9L, 0x4F48173DL, 0xBD23943EL,
0xF36E6F75L, 0x0105EC76L, 0x12551F82L, 0xE03E9C81L,
0x34F4F86AL, 0xC69F7B69L, 0xD5CF889DL, 0x27A40B9EL,
0x79B737BAL, 0x8BDCB4B9L, 0x988C474DL, 0x6AE7C44EL,
0xBE2DA0A5L, 0x4C4623A6L, 0x5F16D052L, 0xAD7D5351L
};
#define CRC32C_PRELOAD 0xffffffff
static guint32
calculateCRC32(const void *buf, int len, guint32 crc) {
guint8 *p = (guint8 *)buf;
while(len-- > 0)
crc = crc32Table[(crc ^ *p++) & 0xff] ^ (crc >> 8);
return crc;
}
static int
iscsi_min(int a, int b) {
return (a < b)? a : b;
}
static gint addTextKeys(proto_tree *tt, tvbuff_t *tvb, gint offset, guint32 text_len) {
static gint
addTextKeys(proto_tree *tt, tvbuff_t *tvb, gint offset, guint32 text_len) {
const gint limit = offset + text_len;
while(offset < limit) {
const char *p = tvb_get_ptr(tvb, offset, 1);
@ -499,6 +620,26 @@ static gint addTextKeys(proto_tree *tt, tvbuff_t *tvb, gint offset, guint32 text
return offset;
}
static gint
handleHeaderDigest(proto_item *ti, tvbuff_t *tvb, guint offset, int headerLen) {
guint32 packet_len = tvb_length_remaining(tvb, offset);
if(packet_len >= (headerLen + 4)) {
guint32 crc = ~calculateCRC32(tvb_get_ptr(tvb, offset, headerLen), headerLen, CRC32C_PRELOAD);
guint32 sent = tvb_get_ntohl(tvb, offset + headerLen);
if(crc == sent || enable_force_header_digest_crc32) {
if(crc == sent) {
proto_tree_add_uint_format(ti, hf_iscsi_HeaderDigest32, tvb, offset + headerLen, 4, sent, "HeaderDigest: 0x%08x (Good CRC32)", sent);
return 4;
}
else {
proto_tree_add_uint_format(ti, hf_iscsi_HeaderDigest32, tvb, offset + headerLen, 4, sent, "HeaderDigest: 0x%08x (Bad CRC32)", sent);
return 4;
}
}
}
return 0;
}
/* Code to actually dissect the packets */
static gboolean
dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
@ -626,7 +767,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_ExpDataSN, tvb, offset + 32, 4, tvb_get_ntohl(tvb, offset + 32));
}
proto_tree_add_uint(ti, hf_iscsi_BufferOffset, tvb, offset + 40, 4, tvb_get_ntohl(tvb, offset + 40));
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x80) ||
(!enable_03_mode && opcode == 0xc0)) {
@ -656,7 +797,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, tvb_get_ntohl(tvb, offset + 24));
proto_tree_add_uint(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
proto_tree_add_uint(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, tvb_get_ntohl(tvb, offset + 32));
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x01) ||
(!enable_03_mode && (opcode == 0x01 ||
@ -733,7 +874,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_CDB);
proto_tree_add_bytes(tt, hf_iscsi_SCSICommand_CDB, tvb, cdb_offset, cdb_len, tvb_get_ptr(tvb, cdb_offset, cdb_len));
}
offset = cdb_offset + cdb_len;
offset = cdb_offset + cdb_len + handleHeaderDigest(ti, tvb, offset, cdb_offset + cdb_len);
}
}
else if((enable_03_mode && opcode == 0x81) ||
@ -788,7 +929,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_R2TExpDataSN, tvb, offset + 40, 4, tvb_get_ntohl(tvb, offset + 40));
}
proto_tree_add_uint(ti, hf_iscsi_SCSIResponse_BidiReadResidualCount, tvb, offset + 44, 4, tvb_get_ntohl(tvb, offset + 44));
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x02) ||
(!enable_03_mode && (opcode == 0x02 ||
@ -812,7 +953,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_SCSITask_ReferencedTaskTag, tvb, offset + 20, 4, tvb_get_ntohl(tvb, offset + 20));
proto_tree_add_uint(ti, hf_iscsi_CmdSN, tvb, offset + 24, 4, tvb_get_ntohl(tvb, offset + 24));
proto_tree_add_uint(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x82) ||
(!enable_03_mode && opcode == 0xc2)) {
@ -833,7 +974,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
proto_tree_add_uint(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, tvb_get_ntohl(tvb, offset + 32));
proto_tree_add_uint(ti, hf_iscsi_SCSITask_Response, tvb, offset + 36, 1, tvb_get_guint8(tvb, offset + 36));
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x03) ||
(!enable_03_mode && (opcode == 0x03 ||
@ -873,12 +1014,17 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_CmdSN, tvb, offset + 24, 4, tvb_get_ntohl(tvb, offset + 24));
proto_tree_add_uint(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
}
offset += 48;
if(packet_len > 48) {
int text_len = iscsi_min(data_segment_len, packet_len - 48);
proto_item *tf = proto_tree_add_text(ti, tvb, 48, text_len, "Key/Value Pairs");
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
if(packet_len > offset) {
int text_len = iscsi_min(data_segment_len, packet_len - offset);
proto_item *tf = proto_tree_add_text(ti, tvb, offset, text_len, "Key/Value Pairs");
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_KeyValues);
offset = addTextKeys(tt, tvb, 48, text_len);
offset = addTextKeys(tt, tvb, offset, text_len);
if(offset < packet_len) {
int padding = 4 - (offset & 3);
proto_tree_add_bytes(ti, hf_iscsi_Padding, tvb, offset, padding, tvb_get_ptr(tvb, offset, padding));
offset += padding;
}
}
}
else if((enable_03_mode && opcode == 0x83) ||
@ -919,12 +1065,17 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
else {
proto_tree_add_uint(ti, hf_iscsi_Login_Status, tvb, offset + 36, 1, tvb_get_ntohs(tvb, offset + 36));
}
offset += 48;
if(packet_len > 48) {
int text_len = iscsi_min(data_segment_len, packet_len - 48);
proto_item *tf = proto_tree_add_text(ti, tvb, 48, text_len, "Key/Value Pairs");
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
if(packet_len > offset) {
int text_len = iscsi_min(data_segment_len, packet_len - offset);
proto_item *tf = proto_tree_add_text(ti, tvb, offset, text_len, "Key/Value Pairs");
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_KeyValues);
offset = addTextKeys(tt, tvb, 48, text_len);
offset = addTextKeys(tt, tvb, offset, text_len);
if(offset < packet_len) {
int padding = 4 - (offset & 3);
proto_tree_add_bytes(ti, hf_iscsi_Padding, tvb, offset, padding, tvb_get_ptr(tvb, offset, padding));
offset += padding;
}
}
}
else if((enable_03_mode && opcode == 0x04) ||
@ -952,12 +1103,17 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, tvb_get_ntohl(tvb, offset + 16));
proto_tree_add_uint(ti, hf_iscsi_CmdSN, tvb, offset + 24, 4, tvb_get_ntohl(tvb, offset + 24));
proto_tree_add_uint(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
offset += 48;
if(packet_len > 48) {
int text_len = iscsi_min(data_segment_len, packet_len - 48);
proto_item *tf = proto_tree_add_text(ti, tvb, 48, text_len, "Key/Value Pairs");
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
if(packet_len > offset) {
int text_len = iscsi_min(data_segment_len, packet_len - offset);
proto_item *tf = proto_tree_add_text(ti, tvb, offset, text_len, "Key/Value Pairs");
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_KeyValues);
offset = addTextKeys(tt, tvb, 48, text_len);
offset = addTextKeys(tt, tvb, offset, text_len);
if(offset < packet_len) {
int padding = 4 - (offset & 3);
proto_tree_add_bytes(ti, hf_iscsi_Padding, tvb, offset, padding, tvb_get_ptr(tvb, offset, padding));
offset += padding;
}
}
}
else if((enable_03_mode && opcode == 0x84) ||
@ -984,12 +1140,17 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, tvb_get_ntohl(tvb, offset + 24));
proto_tree_add_uint(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
proto_tree_add_uint(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, tvb_get_ntohl(tvb, offset + 32));
offset += 48;
if(packet_len > 48) {
int text_len = iscsi_min(data_segment_len, packet_len - 48);
proto_item *tf = proto_tree_add_text(ti, tvb, 48, text_len, "Key/Value Pairs");
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
if(packet_len > offset) {
int text_len = iscsi_min(data_segment_len, packet_len - offset);
proto_item *tf = proto_tree_add_text(ti, tvb, offset, text_len, "Key/Value Pairs");
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_KeyValues);
offset = addTextKeys(tt, tvb, 48, text_len);
offset = addTextKeys(tt, tvb, offset, text_len);
if(offset < packet_len) {
int padding = 4 - (offset & 3);
proto_tree_add_bytes(ti, hf_iscsi_Padding, tvb, offset, padding, tvb_get_ptr(tvb, offset, padding));
offset += padding;
}
}
}
else if(opcode == 0x05) {
@ -1022,7 +1183,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
if(!enable_03_mode)
proto_tree_add_uint(ti, hf_iscsi_DataSN, tvb, offset + 36, 4, tvb_get_ntohl(tvb, offset + 36));
proto_tree_add_uint(ti, hf_iscsi_BufferOffset, tvb, offset + 40, 4, tvb_get_ntohl(tvb, offset + 40));
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x85) ||
(!enable_03_mode && opcode == 0xc5)) {
@ -1073,7 +1234,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
}
proto_tree_add_uint(ti, hf_iscsi_BufferOffset, tvb, offset + 40, 4, tvb_get_ntohl(tvb, offset + 40));
proto_tree_add_uint(ti, hf_iscsi_SCSIData_ResidualCount, tvb, offset + 44, 4, tvb_get_ntohl(tvb, offset + 44));
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x06) ||
(!enable_03_mode && (opcode == 0x06 || opcode == 0x46))) {
@ -1097,7 +1258,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
if(!enable_03_mode) {
proto_tree_add_uint(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
}
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x86) ||
(!enable_03_mode && opcode == 0xc6)) {
@ -1115,7 +1276,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
proto_tree_add_uint(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, tvb_get_ntohl(tvb, offset + 32));
proto_tree_add_uint(ti, hf_iscsi_Logout_Response, tvb, offset + 36, 1, tvb_get_guint8(tvb, offset + 36));
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((!enable_03_mode && (opcode == 0x10 || opcode == 0x50))) {
int S = 0;
@ -1141,7 +1302,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_ExpDataSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
}
proto_tree_add_bytes(ti, hf_iscsi_AdditionalRuns, tvb, offset + 32, 16, tvb_get_ptr(tvb, offset + 32, 16));
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x90) ||
(!enable_03_mode && opcode == 0xd0)) {
@ -1171,7 +1332,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_BufferOffset, tvb, offset + 40, 4, tvb_get_ntohl(tvb, offset + 40));
proto_tree_add_uint(ti, hf_iscsi_DesiredDataLength, tvb, offset + 44, 4, tvb_get_ntohl(tvb, offset + 44));
}
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if((enable_03_mode && opcode == 0x91) ||
(!enable_03_mode && opcode == 0xd1)) {
@ -1190,11 +1351,19 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, tvb_get_ntohl(tvb, offset + 24));
proto_tree_add_uint(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, tvb_get_ntohl(tvb, offset + 28));
proto_tree_add_uint(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, tvb_get_ntohl(tvb, offset + 32));
proto_tree_add_uint(ti, hf_iscsi_SCSIEvent, tvb, offset + 36, 1, tvb_get_guint8(tvb, offset + 36));
proto_tree_add_uint(ti, hf_iscsi_iSCSIEvent, tvb, offset + 37, 1, tvb_get_guint8(tvb, offset + 37));
if(enable_03_mode) {
proto_tree_add_uint(ti, hf_iscsi_SCSIEvent03, tvb, offset + 36, 1, tvb_get_guint8(tvb, offset + 36));
proto_tree_add_uint(ti, hf_iscsi_iSCSIEvent03, tvb, offset + 37, 1, tvb_get_guint8(tvb, offset + 37));
}
else {
proto_tree_add_uint(ti, hf_iscsi_SCSIEvent, tvb, offset + 36, 1, tvb_get_guint8(tvb, offset + 36));
proto_tree_add_uint(ti, hf_iscsi_iSCSIEvent, tvb, offset + 37, 1, tvb_get_guint8(tvb, offset + 37));
}
proto_tree_add_uint(ti, hf_iscsi_Parameter1, tvb, offset + 38, 2, tvb_get_ntohs(tvb, offset + 38));
proto_tree_add_uint(ti, hf_iscsi_Parameter2, tvb, offset + 40, 2, tvb_get_ntohs(tvb, offset + 40));
offset += 48;
if(!enable_03_mode)
proto_tree_add_uint(ti, hf_iscsi_Parameter3, tvb, offset + 42, 2, tvb_get_ntohs(tvb, offset + 40));
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
else if(opcode == 0xef) {
/* Reject */
@ -1211,7 +1380,7 @@ dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree_add_uint(ti, hf_iscsi_Reject_Reason, tvb, offset + 40, 1, tvb_get_guint8(tvb, offset + 40));
proto_tree_add_uint(ti, hf_iscsi_Reject_FirstBadByte, tvb, offset + 42, 1, tvb_get_ntohs(tvb, offset + 42));
}
offset += 48;
offset += 48 + handleHeaderDigest(ti, tvb, offset, 48);
}
if(packet_len > offset)
@ -1233,10 +1402,20 @@ proto_register_iscsi(void)
/* Setup list of header fields See Section 1.6.1 for details*/
static hf_register_info hf[] = {
{ &hf_iscsi_Padding,
{ "Padding", "iscsi.padding",
FT_BYTES, BASE_HEX, NULL, 0,
"Padding to 4 byte boundary", HFILL }
},
{ &hf_iscsi_Payload,
{ "Payload", "iscsi.payload",
FT_BYTES, BASE_HEX, NULL, 0,
"Payload (includes any header digest)", HFILL }
"Payload", HFILL }
},
{ &hf_iscsi_HeaderDigest32,
{ "HeaderDigest", "iscsi.headerdigest",
FT_UINT32, BASE_HEX, NULL, 0,
"Header Digest", HFILL }
},
{ &hf_iscsi_Opcode,
{ "Opcode", "iscsi.opcode",
@ -1620,6 +1799,16 @@ proto_register_iscsi(void)
FT_UINT8, BASE_HEX, VALS(iscsi_iscsievents03), 0,
"iSCSI event indicator", HFILL }
},
{ &hf_iscsi_SCSIEvent,
{ "SCSIEvent", "iscsi.scsievent",
FT_UINT8, BASE_HEX, VALS(iscsi_scsievents), 0,
"SCSI event indicator", HFILL }
},
{ &hf_iscsi_iSCSIEvent,
{ "iSCSIEvent", "iscsi.iscsievent",
FT_UINT8, BASE_HEX, VALS(iscsi_iscsievents), 0,
"iSCSI event indicator", HFILL }
},
{ &hf_iscsi_Parameter1,
{ "Parameter1", "iscsi.parameter1",
FT_UINT16, BASE_HEX, NULL, 0,
@ -1630,6 +1819,11 @@ proto_register_iscsi(void)
FT_UINT16, BASE_HEX, NULL, 0,
"Parameter 2", HFILL }
},
{ &hf_iscsi_Parameter3,
{ "Parameter3", "iscsi.parameter3",
FT_UINT16, BASE_HEX, NULL, 0,
"Parameter 3", HFILL }
},
{ &hf_iscsi_Reject_Reason,
{ "Reason", "iscsi.reject.reason",
FT_UINT8, BASE_HEX, VALS(iscsi_reject_reasons), 0,