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MANUAL mapi_dissect_element_EcDoRpc_response
MANUAL mapi_dissect_element_EcDoRpc_response_
MANUAL mapi_dissect_element_EcDoRpc_response__
#
# EcDoRpc response (mapi_response)
#
NOEMIT response
ETT_FIELD ett_mapi_mapi_response
MANUAL mapi_dissect_struct_response
HF_FIELD hf_mapi_mapi_response_mapi_repl "Mapi Repl" "mapi.mapi_response.mapi_repl" FT_NONE BASE_NONE NULL 0 NULL HFILL
#
# EcDoRpc_MAPI_REPL
#
NOEMIT EcDoRpc_MAPI_REPL
ETT_FIELD ett_mapi_EcDoRpc_MAPI_REPL
MANUAL mapi_dissect_struct_EcDoRpc_MAPI_REPL
MANUAL mapi_dissect_EcDoRpc_MAPI_REPL_UNION
# EcDoRpc 0x2 - OpenFolder response
NOEMIT OpenFolder_repl
ETT_FIELD ett_mapi_OpenFolder_repl
MANUAL mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_OpenFolder
# EcDoRpc 0x7 - GetProps response
NOEMIT GetProps_repl
ETT_FIELD ett_mapi_GetProps_repl
MANUAL mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_GetProps
# EcDoRpc 0xFE - OpenMsgStore response
#NOEMIT OpenMsgStore_repl
#ETT_FIELD ett_mapi_OpenMsgStore_repl
#MANUAL mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_OpenMsgStore
CODE START
static int
mapi_dissect_struct_EcDoRpc_MAPI_REPL(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *parent_tree _U_, dcerpc_info* di, guint8 *drep _U_, int hf_index _U_, guint32 param _U_)
{
proto_item *item = NULL;
proto_tree *tree = NULL;
int old_offset;
int cur_offset;
guint8 opnum;
guint8 handle_idx;
guint32 retval;
old_offset = offset;
if (parent_tree) {
item = proto_tree_add_item(parent_tree, hf_index, tvb, offset, -1, TRUE);
tree = proto_item_add_subtree(item, ett_mapi_EcDoRpc_MAPI_REPL);
}
cur_offset = offset;
opnum = tvb_get_guint8(tvb, offset);
offset += 1;
proto_tree_add_text(tree, tvb, cur_offset, offset - cur_offset, "opnum: %s", val_to_str(opnum, mapi_MAPI_OPNUM_vals, "Unknown MAPI operation: 0x%02x"));
col_append_fstr(pinfo->cinfo, COL_INFO, " + %s", val_to_str(opnum, mapi_MAPI_OPNUM_vals, "Unknown MAPI operation: 0x%02x"));
if (opnum != op_MAPI_Notify) {
cur_offset = offset;
handle_idx = tvb_get_guint8(tvb, offset);
offset += 1;
proto_tree_add_text(tree, tvb, cur_offset, offset - cur_offset, "handle index: %d", handle_idx);
cur_offset = offset;
retval = tvb_get_letohl(tvb, offset);
offset += 4;
proto_tree_add_text(tree, tvb, cur_offset, offset - cur_offset, "MAPISTATUS: %s", val_to_str(retval, mapi_MAPISTATUS_vals, "Unknown MAPISTATUS error 0x%08x"));
if (retval == MAPI_E_SUCCESS) {
switch(opnum) {
case op_MAPI_Release:
offset = mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_Release(tvb, offset, pinfo, tree, di, drep);
break;
case op_MAPI_OpenFolder:
offset = mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_OpenFolder(tvb, offset, pinfo, tree, di, drep);
break;
case op_MAPI_GetProps:
offset = mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_GetProps(tvb, offset, pinfo, tree, di, drep);
break;
/* case op_MAPI_OpenMsgStore: */
/* offset = mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_OpenMsgStore(tvb, offset, pinfo, tree, di, drep); */
/* break; */
default:
offset += param - 6;
}
}
} else {
/* we don't decode notifications within the dissector yet */
offset += param - 1;
}
proto_item_set_len(item, offset - old_offset);
return offset;
}
static int
mapi_dissect_element_EcDoRpc_response(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, dcerpc_info* di _U_, guint8 *drep _U_)
{
offset = mapi_dissect_element_EcDoRpc_response_(tvb, offset, pinfo, tree, di, drep);
return offset;
}
static int
mapi_dissect_element_EcDoRpc_response_(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, dcerpc_info* di _U_, guint8 *drep _U_)
{
guint32 size;
int start_offset = offset;
guint8 *decrypted_data;
tvbuff_t *decrypted_tvb;
const guint8 *ptr;
gint reported_len;
guint16 pdu_len;
guint32 i;
proto_item *it = NULL;
proto_tree *tr = NULL;
offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, hf_mapi_EcDoRpc_mapi_response, &size);
proto_tree_add_text(tree, tvb, start_offset, offset - start_offset + size, "Subcontext size: 0x%x", size);
reported_len = tvb_reported_length_remaining(tvb, offset);
if ((guint32) reported_len > size) {
reported_len = size;
}
if (size > (guint32) reported_len) {
size = reported_len;
}
ptr = tvb_get_ptr(tvb, offset, size);
decrypted_data = (guint8 *)g_malloc(size);
for (i = 0; i < size; i++) {
decrypted_data[i] = ptr[i] ^ 0xA5;
}
decrypted_tvb = tvb_new_child_real_data(tvb, decrypted_data, size, reported_len);
tvb_set_free_cb(decrypted_tvb, g_free);
add_new_data_source(pinfo, decrypted_tvb, "Decrypted MAPI");
it = proto_tree_add_text(tree, decrypted_tvb, 0, size, "Decrypted MAPI PDU");
tr = proto_item_add_subtree(it, ett_mapi_mapi_response);
pdu_len = tvb_get_letohs(decrypted_tvb, 0);
proto_tree_add_uint(tr, hf_mapi_pdu_len, decrypted_tvb, 0, 2, pdu_len);
proto_tree_add_item(tr, hf_mapi_decrypted_data, decrypted_tvb, 2, pdu_len - 2, ENC_NA);
/* Analyze contents */
offset = mapi_dissect_element_EcDoRpc_response__(decrypted_tvb, 0, pinfo, tr, drep);
/* Analyze mapi handles */
offset = mapi_dissect_element_request_handles(decrypted_tvb, offset, pinfo, tr, drep);
return start_offset + offset + 4;
}
static int
mapi_dissect_element_EcDoRpc_response__(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, dcerpc_info* di _U_, guint8 *drep _U_)
{
guint16 length;
tvbuff_t *subtvb;
length = tvb_get_letohs(tvb, offset);
subtvb = tvb_new_subset(tvb, offset, length, length);
offset += 2;
while (offset < length) {
offset = mapi_dissect_struct_EcDoRpc_MAPI_REPL(subtvb, offset, pinfo, tree, drep, hf_mapi_mapi_response_mapi_repl, length - offset);
}
return offset;
}
/*************************/
/* EcDoRpc Function 0x2 */
static int
mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_OpenFolder(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *parent_tree _U_, guint8 *drep _U_)
{
proto_item *item = NULL;
proto_tree *tree = NULL;
int old_offset;
int origin_offset;
/**** Function parameters ****/
guint16 unknown;
origin_offset = offset;
if (parent_tree) {
item = proto_tree_add_item(parent_tree, hf_mapi_EcDoRpc_MAPI_REPL_UNION_mapi_OpenFolder, tvb, offset, -1, ENC_NA);
tree = proto_item_add_subtree(item, ett_mapi_OpenFolder_repl);
}
old_offset = offset;
unknown = tvb_get_letohs(tvb, offset);
offset += 2;
proto_tree_add_text(tree, tvb, old_offset, offset - old_offset, "unknown: 0x%04x", unknown);
proto_item_set_len(item, offset - origin_offset);
return offset;
}
/*************************/
/* EcDoRpc Function 0x7 */
static int
mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_GetProps(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *parent_tree _U_, guint8 *drep _U_)
{
proto_item *item = NULL;
proto_tree *tree = NULL;
int old_offset;
int origin_offset;
/**** Function parameters ****/
guint8 layout;
guint16 length;
origin_offset = offset;
if (parent_tree) {
item = proto_tree_add_item(parent_tree, hf_mapi_EcDoRpc_MAPI_REPL_UNION_mapi_GetProps, tvb, offset, -1, ENC_NA);
tree = proto_item_add_subtree(item, ett_mapi_GetProps_repl);
}
old_offset = offset;
layout = tvb_get_guint8(tvb, offset);
offset += 1;
proto_tree_add_text(tree, tvb, old_offset, offset - old_offset, "layout: %d", layout);
old_offset = offset;
length = tvb_reported_length_remaining(tvb, offset);
offset += length;
proto_tree_add_text(tree, tvb, old_offset, offset - old_offset, "prop_count: 0x%x", length);
proto_item_set_len(item, offset - origin_offset);
return offset;
}
/*************************/
/* EcDoRpc Function 0xFE */
/* static int
mapi_dissect_element_EcDoRpc_MAPI_REPL_UNION_OpenMsgStore(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo, proto_tree *parent_tree _U_, guint8 *drep _U_)
{
proto_item *item = NULL;
proto_tree *tree = NULL;
int old_offset;
int origin_offset;
origin_offset = offset;
old_offset = offset;
if (parent_tree) {
item = proto_tree_add_item(parent_tree, hf_mapi_EcDoRpc_MAPI_REPL_UNION_mapi_OpenMsgStore, tvb, offset, -1, TRUE);
tree = proto_item_add_subtree(item, ett_mapi_OpenMsgStore_repl);
}
offset = mapi_dissect_element_OpenMsgStore_repl_PR_OBJECT_TYPE(tvb, offset, pinfo, tree, di, drep);
proto_item_set_len(item, offset - origin_offset);
return offset;
}*/
CODE END
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