static void
cmpp_submit_resp(proto_tree *tree, tvbuff_t *tvb)
{
int offset;
offset = CMPP_FIX_HEADER_LENGTH;
cmpp_msg_id(tree, tvb, hf_cmpp_msg_id, offset);
offset += 8;
cmpp_uint4(tree, tvb, hf_cmpp_submit_resp_Result, offset);
}
static void
cmpp_deliver_resp(proto_tree *tree, tvbuff_t *tvb)
{
int offset;
offset = CMPP_FIX_HEADER_LENGTH;
cmpp_msg_id(tree, tvb, hf_cmpp_msg_id, offset);
offset += 8;
/* TODO implement the result field here */
cmpp_uint4(tree, tvb, hf_cmpp_deliver_resp_Result, offset);
}
static void
cmpp_connect_resp(proto_tree *tree, tvbuff_t *tvb)
{
int offset;
offset = CMPP_FIX_HEADER_LENGTH;
cmpp_uint4(tree, tvb, hf_cmpp_connect_resp_status, offset);
offset += 4;
proto_tree_add_string(tree, hf_cmpp_connect_resp_AuthenticatorISMG, tvb, offset, 16, "MD5 Hash");
offset += 16;
cmpp_version(tree, tvb, hf_cmpp_Version, offset);
}
static void
cmpp_deliver_report(proto_tree *tree, tvbuff_t *tvb, gint field, guint offset)
{
proto_item *pi;
proto_tree *sub_tree;
pi = proto_tree_add_item(tree, field, tvb, offset, CMPP_DELIVER_REPORT_LEN, ENC_BIG_ENDIAN);
sub_tree = proto_item_add_subtree(pi, ett_deliver_report);
cmpp_msg_id(sub_tree, tvb, hf_cmpp_msg_id, offset);
offset += 8;
cmpp_octet_string(sub_tree, tvb, hf_cmpp_deliver_Report_Stat, offset, 7);
offset += 7;
cmpp_octet_string(sub_tree, tvb, hf_cmpp_deliver_Report_Submit_time, offset, 10);
offset += 10;
cmpp_octet_string(sub_tree, tvb, hf_cmpp_deliver_Report_Done_time, offset, 10);
offset += 10;
cmpp_octet_string(sub_tree, tvb, hf_cmpp_Dest_terminal_Id, offset, 32);
offset += 32;
cmpp_uint4(sub_tree, tvb, hf_cmpp_deliver_Report_SMSC_sequence, offset);
}
/* Code to actually dissect the packets */
static void
dissect_cmpp_tcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
/* Set up structures needed to add the protocol subtree and manage it */
proto_item *ti;
proto_tree *cmpp_tree;
guint command_id;
guint tvb_len;
guint total_length;
const gchar *command_str; /* Header command string */
/* Get the length of the PDU */
tvb_len = tvb_length(tvb);
/* if the length of the tvb is shorder then the cmpp header length exit */
if (tvb_len < CMPP_FIX_HEADER_LENGTH)
return;
total_length = tvb_get_ntohl(tvb, 0); /* Get the pdu length */
command_id = tvb_get_ntohl(tvb, 4); /* get the pdu command id */
if (match_strval(command_id, vals_command_Id) == NULL)
{
/* Should never happen: we checked this in dissect_cmpp() */
return;
}
command_str = val_to_str(command_id, vals_command_Id,
"(Unknown CMPP Operation 0x%08X)");
/* tvb has less data then the PDU Header status, return */
if (tvb_len < total_length)
{
/* Should never happen: TCP should have desegmented for us */
return;
}
/* Make entries in Protocol column and Info column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "CMPP");
col_append_fstr(pinfo->cinfo, COL_INFO, "%s. ", command_str);
if (tree)
{
ti = proto_tree_add_item(tree, proto_cmpp, tvb, 0, -1, ENC_NA);
cmpp_tree = proto_item_add_subtree(ti, ett_cmpp);
/* Add the fix header informations to the tree */
cmpp_uint4(cmpp_tree, tvb, hf_cmpp_Total_Length, 0);
cmpp_uint4(cmpp_tree, tvb, hf_cmpp_Command_Id, 4);
cmpp_uint4(cmpp_tree, tvb, hf_cmpp_Sequence_Id, 8);
switch(command_id)
{
case CMPP_CONNECT:
cmpp_connect(cmpp_tree, tvb);
break;
case CMPP_CONNECT_RESP:
cmpp_connect_resp(cmpp_tree, tvb);
break;
/* CMPP_TERMINATE and CMPP_TERMINATE_RESP don't have msg body */
case CMPP_TERMINATE:
case CMPP_TERMINATE_RESP:
break;
case CMPP_SUBMIT:
cmpp_submit(cmpp_tree, tvb);
break;
case CMPP_SUBMIT_RESP:
cmpp_submit_resp(cmpp_tree, tvb);
break;
case CMPP_DELIVER:
cmpp_deliver(cmpp_tree, tvb);
break;
case CMPP_DELIVER_RESP:
cmpp_deliver_resp(cmpp_tree, tvb);
break;
default:
/* Implement the rest of the protocol here */
break;
}
}
}
