g_free(filename);
g_free(mimetypename);
return -1;
}
/*
* Call this method to actually dissect the multipart body.
* NOTE - Only do so if a boundary string has been found!
*/
static int dissect_multipart(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *subtree;
proto_item *ti;
proto_item *type_ti;
multipart_info_t *m_info = get_multipart_info(pinfo);
gint header_start = 0;
guint8 *boundary;
gint boundary_len;
gboolean last_boundary = FALSE;
if (m_info == NULL) {
/*
* We can't get the required multipart information
*/
proto_tree_add_text(tree, tvb, 0, -1,
"The multipart dissector could not find "
"the required boundary parameter.");
call_dissector(data_handle, tvb, pinfo, tree);
return tvb_length(tvb);
}
/*
* Call this method to actually dissect the multipart body.
* NOTE - Only do so if a boundary string has been found!
*/
static int dissect_multipart(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
proto_tree *subtree;
proto_item *ti;
proto_item *type_ti;
multipart_info_t *m_info = get_multipart_info(pinfo, (const char*)data);
gint header_start = 0;
gint body_index = 0;
gboolean last_boundary = FALSE;
if (m_info == NULL) {
/*
* We can't get the required multipart information
*/
proto_tree_add_expert(tree, pinfo, &ei_multipart_no_required_parameter, tvb, 0, -1);
call_dissector(data_handle, tvb, pinfo, tree);
return tvb_reported_length(tvb);
}
/* Clean up the memory if an exception is thrown */
/* CLEANUP_PUSH(cleanup_multipart_info, m_info); */
/* Add stuff to the protocol tree */
ti = proto_tree_add_item(tree, proto_multipart,
tvb, 0, -1, ENC_NA);
subtree = proto_item_add_subtree(ti, ett_multipart);
proto_item_append_text(ti, ", Type: %s, Boundary: \"%s\"",
m_info->type, m_info->boundary);
/* Show multi-part type as a generated field */
type_ti = proto_tree_add_string(subtree, hf_multipart_type,
tvb, 0, 0, pinfo->match_string);
PROTO_ITEM_SET_GENERATED(type_ti);
/*
* Make no entries in Protocol column and Info column on summary display,
* but stop sub-dissectors from clearing entered text in summary display.
*/
col_set_fence(pinfo->cinfo, COL_INFO);
/*
* Process the multipart preamble
*/
header_start = process_preamble(subtree, tvb, m_info, &last_boundary);
if (header_start == -1) {
call_dissector(data_handle, tvb, pinfo, subtree);
/* Clean up the dynamically allocated memory */
cleanup_multipart_info(m_info);
return tvb_reported_length(tvb);
}
/*
* Process the encapsulated bodies
*/
while (last_boundary == FALSE) {
header_start = process_body_part(subtree, tvb, m_info,
pinfo, header_start, body_index++, &last_boundary);
if (header_start == -1) {
/* Clean up the dynamically allocated memory */
cleanup_multipart_info(m_info);
return tvb_reported_length(tvb);
}
}
/*
* Process the multipart trailer
*/
if (tvb_reported_length_remaining(tvb, header_start) > 0) {
proto_tree_add_item(subtree, hf_multipart_trailer, tvb, header_start, -1, ENC_NA);
}
/* Clean up the dynamically allocated memory */
cleanup_multipart_info(m_info);
return tvb_reported_length(tvb);
}
