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add PIDL friendly helper to manage unicode strings 

svn path=/trunk/; revision=20941
This commit is contained in:
Ronnie Sahlberg 2007-02-27 09:37:48 +00:00
parent 6df7878bd5
commit bf87640840
2 changed files with 26 additions and 1 deletions
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21
epan/dissectors/packet-dcerpc.c
View File

@ -1450,6 +1450,27 @@ dissect_ndr_wchar_cvstring(tvbuff_t *tvb, int offset, packet_info *pinfo,
FALSE, NULL);
}
/* This function is aimed for PIDL useage and dissects a UNIQUE pointer to
* unicode string.
*/
int
PIDL_dissect_wchar_cvstring(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep, int hfindex, guint32 param)
{
header_field_info *hf_info;
dcerpc_info *di = (dcerpc_info *)pinfo->private_data;
dcerpc_call_value *dcv = (dcerpc_call_value *)di->call_data;
hf_info=proto_registrar_get_nth(hfindex);
offset = dissect_ndr_pointer_cb(
tvb, offset, pinfo, tree, drep,
dissect_ndr_wchar_cvstring, NDR_POINTER_UNIQUE,
hf_info->name, hfindex, cb_wstr_postprocess,
GINT_TO_POINTER(param));
return offset;
}
/* Dissect an NDR varying string of elements.
The length of each element is given by the 'size_is' parameter;
the elements are assumed to be characters or wide characters.

6
epan/dissectors/packet-dcerpc.h
View File

@ -233,6 +233,8 @@ int dissect_ndr_char_cvstring(tvbuff_t *tvb, int offset, packet_info *pinfo,
proto_tree *tree, guint8 *drep);
int dissect_ndr_wchar_cvstring(tvbuff_t *tvb, int offset, packet_info *pinfo,
proto_tree *tree, guint8 *drep);
int PIDL_dissect_wchar_cvstring(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep, int hfindex, guint32 param);
int dissect_ndr_vstring(tvbuff_t *tvb, int offset, packet_info *pinfo,
proto_tree *tree, guint8 *drep, int size_is,
int hfinfo, gboolean add_subtree,
@ -431,7 +433,9 @@ init_ndr_pointer_list(packet_info *pinfo);
*/
#define PIDL_POLHND_OPEN 0x80000000
#define PIDL_POLHND_CLOSE 0x40000000
/* To "save" a pointer to the string in dcv->private_data */
#define PIDL_STR_SAVE 0x00020000
/* To make this value appear on the summary line for the packet */
#define PIDL_SET_COL_INFO 0x20000000
#define PIDL_SET_COL_INFO 0x00010000
#endif /* packet-dcerpc.h */