forked from osmocom/wireshark
Tvbuffified SMB mailslot protocol dissector, from Ronnie Sahlberg.
svn path=/trunk/; revision=3832
This commit is contained in:
parent
57091e1abb
commit
30296fc745
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@ -2,7 +2,7 @@
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* Routines for SMB mailslot packet dissection
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* Copyright 2000, Jeffrey C. Foster <jfoste@woodward.com>
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*
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* $Id: packet-smb-mailslot.c,v 1.15 2001/08/05 00:16:36 guy Exp $
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* $Id: packet-smb-mailslot.c,v 1.16 2001/08/07 08:39:56 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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@ -25,7 +25,6 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "packet-smb-common.h"
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#include "packet-smb-mailslot.h"
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#include "packet-smb-browse.h"
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@ -33,143 +32,148 @@
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#include "packet-smb-pipe.h"
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static int proto_smb_msp = -1;
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static int hf_opcode = -1;
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static int hf_priority = -1;
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static int hf_class = -1;
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static int hf_size = -1;
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static int hf_name = -1;
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static int ett_smb_msp = -1;
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gboolean
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dissect_mailslot_smb(const u_char *pd, int offset, frame_data *fd,
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proto_tree *parent, proto_tree *tree, struct smb_info si, int max_data,
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int SMB_offset, int errcode, const u_char *command,
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int DataOffset, int DataCount, int ParameterOffset, int ParameterCount){
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static const value_string opcode_vals[] = {
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{1, "Write Mail Slot"},
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{0, NULL}
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};
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static const value_string class_vals[] = {
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{1, "Reliable"},
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{2, "Unreliable & Broadcast"},
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{0, NULL}
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};
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/* decode the SMB mail slot protocol */
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gboolean
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dissect_mailslot_smb(tvbuff_t *setup_tvb, tvbuff_t *tvb, packet_info *pinfo,
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proto_tree *parent_tree)
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{
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struct smb_info *smb_info = pinfo->private;
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proto_tree *tree = 0;
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proto_item *item;
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tvbuff_t *next_tvb = NULL;
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guint16 opcode;
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int offset = 0;
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int len;
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proto_tree *smb_msp_tree = 0;
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proto_item *ti;
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guint16 Temp16;
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const char *StrPtr;
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if (!proto_is_protocol_enabled(proto_smb_msp))
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if (!proto_is_protocol_enabled(proto_smb_msp)) {
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return FALSE;
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if (check_col(fd, COL_PROTOCOL))
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col_set_str(fd, COL_PROTOCOL, "SMB Mailslot");
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}
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pinfo->current_proto = "SMB Mailslot";
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if (DataOffset < 0) {
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if (check_col(pinfo->fd, COL_PROTOCOL)) {
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col_set_str(pinfo->fd, COL_PROTOCOL, "SMB Mailslot");
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}
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if (smb_info->data_offset < 0) {
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/* Interim reply */
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col_set_str(fd, COL_INFO, "Interim reply");
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col_set_str(pinfo->fd, COL_INFO, "Interim reply");
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return TRUE;
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}
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/* do the Op code field */
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Temp16 = GSHORT(pd, offset); /* get Op code */
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/* do the opcode field */
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opcode = tvb_get_letohs(setup_tvb, offset);
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if (check_col(fd, COL_INFO))
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col_set_str(fd, COL_INFO,
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( Temp16 == 1 ? "Write Mail slot" : "Unknown"));
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if (check_col(pinfo->fd, COL_INFO)) {
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col_add_str(pinfo->fd, COL_INFO,
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val_to_str(opcode, opcode_vals, "Unknown opcode:0x%04x"));
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}
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if (parent_tree) {
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item = proto_tree_add_item(parent_tree, proto_smb_msp, setup_tvb,
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offset, tvb_length_remaining(setup_tvb, offset), FALSE);
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tree = proto_item_add_subtree(item, ett_smb_msp);
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if (tree) {
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ti = proto_tree_add_item( parent, proto_smb_msp, NullTVB, offset,
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END_OF_FRAME, FALSE);
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smb_msp_tree = proto_item_add_subtree(ti, ett_smb_msp);
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/* opcode */
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proto_tree_add_uint(tree, hf_opcode, setup_tvb, offset, 2,
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opcode);
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offset += 2;
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proto_tree_add_text(smb_msp_tree, NullTVB, offset, 2, "Op code: %u (%s)",
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Temp16, ( Temp16 == 1 ? "Write Mail slot" : "Unknown"));
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/* priority */
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proto_tree_add_item(tree, hf_priority, setup_tvb, offset, 2,
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TRUE);
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offset += 2;
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offset += 2;
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/* do the Priority field */
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Temp16 = GSHORT(pd, offset);
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proto_tree_add_text(smb_msp_tree, NullTVB, offset, 2,
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"Priority of transaction: %u", Temp16);
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offset += 2;
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/* class */
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proto_tree_add_item(tree, hf_class, setup_tvb, offset, 2, TRUE);
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offset += 2;
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/* do the Class field */
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Temp16 = GSHORT(pd, offset);
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proto_tree_add_text(smb_msp_tree, NullTVB, offset, 2, "Class: %u (%s)",
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Temp16, ( Temp16 == 1) ? "Reliable" : (( Temp16 == 2) ?
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"Unreliable & Broadcast" : "Unknown"));
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offset += 2;
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/* size */
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proto_tree_add_item(tree, hf_size, setup_tvb, offset, 2, TRUE);
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offset += 2;
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/* do the data size field */
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Temp16 = GSHORT(pd, offset);
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proto_tree_add_text(smb_msp_tree, NullTVB, offset, 2,
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"Total size of mail data: %u", Temp16);
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/* mailslot name */
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len = tvb_strsize(setup_tvb, offset);
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proto_tree_add_item(tree, hf_name, setup_tvb, offset, len,
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TRUE);
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offset += len;
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}
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offset += 2;
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}else { /* no tree value adjust offset*/
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offset += 8;
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}
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/* Quit if we don't have the transaction command name (mailslot path) */
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if (smb_info->trans_cmd == NULL)
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return TRUE;
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/* Build display for: MailSlot Name */
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/* create new tvb for subdissector */
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next_tvb = tvb_new_subset(tvb, smb_info->data_offset, -1, -1);
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StrPtr = &pd[offset]; /* load pointer to name */
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if (smb_msp_tree) {
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proto_tree_add_text(smb_msp_tree, NullTVB, offset, strlen( StrPtr) + 1,
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"Mailslot Name: %s", StrPtr);
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}
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offset += strlen( StrPtr) + 1;
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/*** Decide what dissector to call based upon the command value ***/
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if (command != NULL && strcmp(command, "BROWSE") == 0) {
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/* Decode a browse */
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tvbuff_t *tvb;
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packet_info *pinfo = π
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tvb = tvb_create_from_top(DataOffset);
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return dissect_mailslot_browse(tvb, pinfo, parent);
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}
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else if (command != NULL && strcmp(command, "LANMAN") == 0) {
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/*** Decide what dissector to call based upon the command value ***/
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if (strcmp(smb_info->trans_cmd, "BROWSE") == 0) {
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return dissect_mailslot_browse(next_tvb, pinfo, parent_tree);
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} else if (strcmp(smb_info->trans_cmd, "LANMAN") == 0) {
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/* Decode a LANMAN browse */
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tvbuff_t *tvb;
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packet_info *pinfo = π
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tvb = tvb_create_from_top(DataOffset);
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return dissect_mailslot_lanman(tvb, pinfo, parent);
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}
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return dissect_mailslot_lanman(next_tvb, pinfo, parent_tree);
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} else if ((strncmp(smb_info->trans_cmd, "NET", strlen("NET")) == 0) ||
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(strcmp(smb_info->trans_cmd, "TEMP\\NETLOGON") == 0) ||
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(strcmp(smb_info->trans_cmd, "MSSP") == 0)) {
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/* NOTE: use TEMP\\NETLOGON and MSSP because they seems very common, */
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/* NOTE: may need a look up list to check for the mailslot names passed */
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/* by the logon request packet */
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else if (((command != NULL) &&
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strncmp(command, "NET", strlen("NET")) == 0) ||
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(strcmp(command, "TEMP\\NETLOGON") == 0) ||
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(strcmp(command, "MSSP") == 0)){
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tvbuff_t *tvb;
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packet_info *pinfo = π
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tvb = tvb_create_from_top(DataOffset);
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return dissect_smb_logon(tvb, pinfo, parent);
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}
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return TRUE;
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return dissect_smb_logon(next_tvb, pinfo, parent_tree);
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}
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return TRUE;
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}
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void
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register_proto_smb_mailslot( void){
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register_proto_smb_mailslot(void)
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{
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static hf_register_info hf[] = {
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{ &hf_opcode,
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{ "Opcode", "mailslot.opcode", FT_UINT16, BASE_DEC,
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VALS(opcode_vals), 0, "MAILSLOT OpCode", HFILL }},
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{ &hf_priority,
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{ "Priority", "mailslot.priority", FT_UINT16, BASE_DEC,
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NULL, 0, "MAILSLOT Priority of transaction", HFILL }},
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{ &hf_class,
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{ "Class", "mailslot.class", FT_UINT16, BASE_DEC,
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VALS(class_vals), 0, "MAILSLOT Class of transaction", HFILL }},
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{ &hf_size,
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{ "Size", "mailslot.size", FT_UINT16, BASE_DEC,
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NULL, 0, "MAILSLOT Total size of mail data", HFILL }},
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{ &hf_name,
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{ "Mailslot Name", "mailslot.name", FT_STRING, BASE_NONE,
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NULL, 0, "MAILSLOT Name of mailslot", HFILL }},
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};
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static gint *ett[] = {
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&ett_smb_msp
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};
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proto_smb_msp = proto_register_protocol(
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"SMB MailSlot Protocol", "SMB Mailslot", "mailslot");
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proto_smb_msp = proto_register_protocol(
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"SMB MailSlot Protocol", "SMB Mailslot", "mailslot");
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proto_register_field_array(proto_smb_msp, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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@ -2,7 +2,7 @@
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* Declaration of routines for SMB mailslot packet dissection
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* Copyright 2000, Jeffrey C. Foster <jfoste@woodward.com>
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*
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* $Id: packet-smb-mailslot.h,v 1.2 2001/08/05 00:16:36 guy Exp $
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* $Id: packet-smb-mailslot.h,v 1.3 2001/08/07 08:39:56 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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@ -23,8 +23,12 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _PACKET_SMB_MAILSLOT_H_
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#define _PACKET_SMB_MAILSLOT_H_
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gboolean
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dissect_mailslot_smb(const u_char *pd, int offset, frame_data *fd,
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proto_tree *parent, proto_tree *tree, struct smb_info si, int max_data,
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int SMB_offset, int errcode, const u_char *command,
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int DataOffset, int DataCount, int ParameterOffset, int ParameterCount);
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dissect_mailslot_smb(tvbuff_t *setup_tvb, tvbuff_t *tvb, packet_info *pinfo,
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proto_tree *tree);
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#endif
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@ -9,7 +9,7 @@ XXX Fixme : shouldnt show [malformed frame] for long packets
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* significant rewrite to tvbuffify the dissector, Ronnie Sahlberg and
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* Guy Harris 2001
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*
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* $Id: packet-smb-pipe.c,v 1.27 2001/08/06 08:49:17 guy Exp $
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* $Id: packet-smb-pipe.c,v 1.28 2001/08/07 08:39:56 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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@ -1524,14 +1524,15 @@ dissect_pipe_lanman(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
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gboolean
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dissect_pipe_smb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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char *command)
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dissect_pipe_smb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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struct smb_info *smb_info = pinfo->private;
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if (!proto_is_protocol_enabled(proto_smb_lanman))
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return FALSE;
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pinfo->current_proto = "LANMAN";
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if (command != NULL && strcmp(command, "LANMAN") == 0) {
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if (smb_info->trans_cmd && strcmp(smb_info->trans_cmd, "LANMAN") == 0) {
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/* Try to decode a LANMAN */
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return dissect_pipe_lanman(tvb, pinfo, tree);
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@ -2,7 +2,7 @@
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* Declarations of routines for SMB named pipe packet dissection
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* Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
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*
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* $Id: packet-smb-pipe.h,v 1.4 2001/08/05 01:15:26 guy Exp $
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* $Id: packet-smb-pipe.h,v 1.5 2001/08/07 08:39:56 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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@ -27,7 +27,6 @@
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#define _PACKET_SMB_PIPE_H_
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gboolean
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dissect_pipe_smb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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char *command);
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dissect_pipe_smb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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#endif
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35
packet-smb.c
35
packet-smb.c
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@ -2,7 +2,7 @@
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* Routines for smb packet dissection
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* Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
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*
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* $Id: packet-smb.c,v 1.96 2001/08/06 00:59:14 guy Exp $
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* $Id: packet-smb.c,v 1.97 2001/08/07 08:39:56 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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@ -9761,6 +9761,7 @@ dissect_transact_params(const u_char *pd, int offset, frame_data *fd,
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const gchar *Data;
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packet_info *pinfo;
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tvbuff_t *next_tvb;
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tvbuff_t *setup_tvb;
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if (!TransactName)
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return;
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@ -9817,19 +9818,39 @@ dissect_transact_params(const u_char *pd, int offset, frame_data *fd,
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*/
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si.data_count = DataCount;
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/*
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* Command.
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*/
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si.trans_cmd = trans_cmd;
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/*
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* Pass "si" to the subdissector.
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*/
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pinfo->private = &si;
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/*
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* Tvbuff for setup area, for mailslot call.
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*/
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/*
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* Is there a setup area?
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*/
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if (SetupAreaOffset < 0) {
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/*
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* No - create a zero-length tvbuff.
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*/
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setup_tvb = tvb_create_from_top(pi.captured_len);
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} else {
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/*
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* Create a tvbuff for the setup area.
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*/
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setup_tvb = tvb_create_from_top(SetupAreaOffset);
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}
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if ((trans_cmd == NULL) ||
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(((trans_type == NULL || strcmp(trans_type, "MAILSLOT") != 0) ||
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!dissect_mailslot_smb(pd, SetupAreaOffset, fd, parent, tree, si,
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max_data, SMB_offset, errcode, trans_cmd,
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SMB_offset + DataOffset, DataCount,
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SMB_offset + ParameterOffset, ParameterCount)) &&
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!dissect_mailslot_smb(setup_tvb, next_tvb, pinfo, parent)) &&
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((trans_type == NULL || strcmp(trans_type, "PIPE") != 0) ||
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!dissect_pipe_smb(next_tvb, pinfo, parent, trans_cmd)))) {
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!dissect_pipe_smb(next_tvb, pinfo, parent)))) {
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if (ParameterCount > 0) {
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@ -10454,7 +10475,7 @@ dissect_transact_smb(const u_char *pd, int offset, frame_data *fd,
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}
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offset += 1; /* Skip Reserved3 */
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SetupAreaOffset = offset;
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3
smb.h
3
smb.h
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@ -2,7 +2,7 @@
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* Defines for smb packet dissection
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* Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
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*
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* $Id: smb.h,v 1.10 2001/08/05 01:15:27 guy Exp $
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* $Id: smb.h,v 1.11 2001/08/07 08:39:57 guy Exp $
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*
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* Ethereal - Network traffic analyzer
|
||||
* By Gerald Combs <gerald@ethereal.com>
|
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|
@ -648,6 +648,7 @@ struct smb_info {
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int data_offset; /* Offset from parameter to data in transaction */
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int data_count; /* Number of bytes of data in transaction */
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guint16 ddisp; /* Data displacement for transaction commands */
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char *trans_cmd; /* Command for mailslot dissection */
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};
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#endif
|
||||
|
|
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Reference in New Issue