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added wireshark dissector 

git-svn-id: http://op25.osmocom.org/svn/trunk@43 65a5c917-d112-43f1-993d-58c26a4786be
This commit is contained in:
mossmann 2008-04-24 02:38:00 +00:00
parent 3c664b7caf
commit f971d9d675
9 changed files with 963 additions and 0 deletions
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wireshark/plugins/p25/AUTHORS Normal file
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Authors:
Michael Ossmann <mike@ossmann.com>

340
wireshark/plugins/p25/COPYING Normal file
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
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Public License instead of this License.

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# Makefile.am
# Automake file for AgentX plugin
#
# $Id: Makefile.am 24488 2008-02-27 16:18:30Z stig $
#
# Wireshark - Network traffic analyzer
# By Gerald Combs <gerald@wireshark.org>
# Copyright 1998 Gerald Combs
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
INCLUDES = -I$(top_srcdir) -I$(includedir)
include Makefile.common
if HAVE_WARNINGS_AS_ERRORS
AM_CFLAGS = -Werror
endif
plugindir = @plugindir@
plugin_LTLIBRARIES = p25cai.la
p25cai_la_SOURCES = \
plugin.c \
moduleinfo.h \
$(DISSECTOR_SRC) \
$(DISSECTOR_SUPPORT_SRC) \
$(DISSECTOR_INCLUDES)
p25cai_la_LDFLAGS = -module -avoid-version
p25cai_la_LIBADD = @PLUGIN_LIBS@
# Libs must be cleared, or else libtool won't create a shared module.
# If your module needs to be linked against any particular libraries,
# add them here.
LIBS =
#
# Build plugin.c, which contains the plugin version[] string, a
# function plugin_register() that calls the register routines for all
# protocols, and a function plugin_reg_handoff() that calls the handoff
# registration routines for all protocols.
#
# We do this by scanning sources. If that turns out to be too slow,
# maybe we could just require every .o file to have an register routine
# of a given name (packet-aarp.o -> proto_register_aarp, etc.).
#
# Formatting conventions: The name of the proto_register_* routines an
# proto_reg_handoff_* routines must start in column zero, or must be
# preceded only by "void " starting in column zero, and must not be
# inside #if.
#
# DISSECTOR_SRC is assumed to have all the files that need to be scanned.
#
# For some unknown reason, having a big "for" loop in the Makefile
# to scan all the files doesn't work with some "make"s; they seem to
# pass only the first few names in the list to the shell, for some
# reason.
#
# Therefore, we have a script to generate the plugin.c file.
# The shell script runs slowly, as multiple greps and seds are run
# for each input file; this is especially slow on Windows. Therefore,
# if Python is present (as indicated by PYTHON being defined), we run
# a faster Python script to do that work instead.
#
# The first argument is the directory in which the source files live.
# The second argument is "plugin", to indicate that we should build
# a plugin.c file for a plugin.
# All subsequent arguments are the files to scan.
#
plugin.c: $(DISSECTOR_SRC) $(top_srcdir)/tools/make-dissector-reg \
$(top_srcdir)/tools/make-dissector-reg.py
@if test -n "$(PYTHON)"; then \
echo Making plugin.c with python ; \
$(PYTHON) $(top_srcdir)/tools/make-dissector-reg.py $(srcdir) \
plugin $(DISSECTOR_SRC) ; \
else \
echo Making plugin.c with shell script ; \
$(top_srcdir)/tools/make-dissector-reg $(srcdir) \
$(plugin_src) plugin $(DISSECTOR_SRC) ; \
fi
#
# Currently plugin.c can be included in the distribution because
# we always build all protocol dissectors. We used to have to check
# whether or not to build the snmp dissector. If we again need to
# variably build something, making plugin.c non-portable, uncomment
# the dist-hook line below.
#
# Oh, yuk. We don't want to include "plugin.c" in the distribution, as
# its contents depend on the configuration, and therefore we want it
# to be built when the first "make" is done; however, Automake insists
# on putting *all* source into the distribution.
#
# We work around this by having a "dist-hook" rule that deletes
# "plugin.c", so that "dist" won't pick it up.
#
#dist-hook:
# @rm -f $(distdir)/plugin.c
CLEANFILES = \
p25cai \
*~
MAINTAINERCLEANFILES = \
Makefile.in \
plugin.c
EXTRA_DIST = \
Makefile.common \
Makefile.nmake \
moduleinfo.nmake \
plugin.rc.in

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# Makefile.common for AgentX plugin
# Contains the stuff from Makefile.am and Makefile.nmake that is
# a) common to both files and
# b) portable between both files
#
# $Id: Makefile.common 23848 2007-12-12 22:10:50Z jake $
#
# Wireshark - Network traffic analyzer
# By Gerald Combs <gerald@wireshark.org>
# Copyright 1998 Gerald Combs
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# the name of the plugin
PLUGIN_NAME = p25cai
# the dissector sources (without any helpers)
DISSECTOR_SRC = \
packet-p25cai.c
# corresponding headers
DISSECTOR_INCLUDES =
# Dissector helpers. They're included in the source files in this
# directory, but they're not dissectors themselves, i.e. they're not
# used to generate "plugin.c".
DISSECTOR_SUPPORT_SRC =

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# Makefile.nmake
# nmake file for Wireshark plugin
#
# $Id: Makefile.nmake 24520 2008-03-01 12:31:01Z jake $
#
include ..\..\config.nmake
include moduleinfo.nmake
include Makefile.common
CFLAGS=/WX /DHAVE_CONFIG_H /I../.. /I../../wiretap $(GLIB_CFLAGS) \
/I$(PCAP_DIR)\include -D_U_="" $(LOCAL_CFLAGS)
.c.obj::
$(CC) $(CFLAGS) -Fd.\ -c $<
LDFLAGS = $(PLUGIN_LDFLAGS)
!IFDEF ENABLE_LIBWIRESHARK
LINK_PLUGIN_WITH=..\..\epan\libwireshark.lib
CFLAGS=/DHAVE_WIN32_LIBWIRESHARK_LIB /D_NEED_VAR_IMPORT_ $(CFLAGS)
DISSECTOR_OBJECTS = $(DISSECTOR_SRC:.c=.obj)
DISSECTOR_SUPPORT_OBJECTS = $(DISSECTOR_SUPPORT_SRC:.c=.obj)
OBJECTS = $(DISSECTOR_OBJECTS) $(DISSECTOR_SUPPORT_OBJECTS) plugin.obj
RESOURCE=$(PLUGIN_NAME).res
all: $(PLUGIN_NAME).dll
$(PLUGIN_NAME).rc : moduleinfo.nmake
sed -e s/@PLUGIN_NAME@/$(PLUGIN_NAME)/ \
-e s/@RC_MODULE_VERSION@/$(RC_MODULE_VERSION)/ \
-e s/@RC_VERSION@/$(RC_VERSION)/ \
-e s/@MODULE_VERSION@/$(MODULE_VERSION)/ \
-e s/@PACKAGE@/$(PACKAGE)/ \
-e s/@VERSION@/$(VERSION)/ \
-e s/@MSVC_VARIANT@/$(MSVC_VARIANT)/ \
< plugin.rc.in > $@
$(PLUGIN_NAME).dll $(PLUGIN_NAME).exp $(PLUGIN_NAME).lib : $(OBJECTS) $(LINK_PLUGIN_WITH) $(RESOURCE)
link -dll /out:$(PLUGIN_NAME).dll $(LDFLAGS) $(OBJECTS) $(LINK_PLUGIN_WITH) \
$(GLIB_LIBS) $(RESOURCE)
#
# Build plugin.c, which contains the plugin version[] string, a
# function plugin_register() that calls the register routines for all
# protocols, and a function plugin_reg_handoff() that calls the handoff
# registration routines for all protocols.
#
# We do this by scanning sources. If that turns out to be too slow,
# maybe we could just require every .o file to have an register routine
# of a given name (packet-aarp.o -> proto_register_aarp, etc.).
#
# Formatting conventions: The name of the proto_register_* routines an
# proto_reg_handoff_* routines must start in column zero, or must be
# preceded only by "void " starting in column zero, and must not be
# inside #if.
#
# DISSECTOR_SRC is assumed to have all the files that need to be scanned.
#
# For some unknown reason, having a big "for" loop in the Makefile
# to scan all the files doesn't work with some "make"s; they seem to
# pass only the first few names in the list to the shell, for some
# reason.
#
# Therefore, we have a script to generate the plugin.c file.
# The shell script runs slowly, as multiple greps and seds are run
# for each input file; this is especially slow on Windows. Therefore,
# if Python is present (as indicated by PYTHON being defined), we run
# a faster Python script to do that work instead.
#
# The first argument is the directory in which the source files live.
# The second argument is "plugin", to indicate that we should build
# a plugin.c file for a plugin.
# All subsequent arguments are the files to scan.
#
!IFDEF PYTHON
plugin.c: $(DISSECTOR_SRC) moduleinfo.h ../../tools/make-dissector-reg.py
@echo Making plugin.c (using python)
@$(PYTHON) "../../tools/make-dissector-reg.py" . plugin $(DISSECTOR_SRC)
!ELSE
plugin.c: $(DISSECTOR_SRC) moduleinfo.h ../../tools/make-dissector-reg
@echo Making plugin.c (using sh)
@$(SH) ../../tools/make-dissector-reg . plugin $(DISSECTOR_SRC)
!ENDIF
!ENDIF
clean:
rm -f $(OBJECTS) $(RESOURCE) plugin.c *.pdb \
$(PLUGIN_NAME).dll $(PLUGIN_NAME).dll.manifest $(PLUGIN_NAME).lib \
$(PLUGIN_NAME).exp $(PLUGIN_NAME).rc
distclean: clean
maintainer-clean: distclean

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/* Included *after* config.h, in order to re-define these macros */
#ifdef PACKAGE
#undef PACKAGE
#endif
/* Name of package */
#define PACKAGE "p25cai"
#ifdef VERSION
#undef VERSION
#endif
/* Version number of package */
#define VERSION "0.0.0.1"

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wireshark/plugins/p25/moduleinfo.nmake Normal file
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#
# $Id: moduleinfo.nmake 20155 2006-12-19 22:22:34Z jake $
#
# The name
PACKAGE=p25cai
# The version
MODULE_VERSION_MAJOR=0
MODULE_VERSION_MINOR=0
MODULE_VERSION_MICRO=0
MODULE_VERSION_EXTRA=1
#
# The RC_VERSION should be comma-separated, not dot-separated,
# as per Graham Bloice's message in
#
# http://www.ethereal.com/lists/ethereal-dev/200303/msg00283.html
#
# "The RC_VERSION variable in config.nmake should be comma separated.
# This allows the resources to be built correctly and the version
# number to be correctly displayed in the explorer properties dialog
# for the executables, and XP's tooltip, rather than 0.0.0.0."
#
MODULE_VERSION=$(MODULE_VERSION_MAJOR).$(MODULE_VERSION_MINOR).$(MODULE_VERSION_MICRO).$(MODULE_VERSION_EXTRA)
RC_MODULE_VERSION=$(MODULE_VERSION_MAJOR),$(MODULE_VERSION_MINOR),$(MODULE_VERSION_MICRO),$(MODULE_VERSION_EXTRA)

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wireshark/plugins/p25/packet-p25cai.c Normal file
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/* packet-p25cai.c
* Routines for APCO Project 25 Common Air Interface dissection
* Copyright 2008, Michael Ossmann <mike@ossmann.com>
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <epan/packet.h>
#include <epan/prefs.h>
#define FRAME_SYNC_MAGIC 0x5575F5FF77FF
/* Forward declaration we need below */
void proto_reg_handoff_p25cai(void);
/* Initialize the protocol and registered fields */
static int proto_p25cai = -1;
static int hf_p25cai_fs = -1;
static int hf_p25cai_nid = -1;
static int hf_p25cai_nac = -1;
static int hf_p25cai_duid = -1;
static int hf_p25cai_hdu = -1;
static int hf_p25cai_tsbk = -1;
static int hf_p25cai_pdu = -1;
static int hf_p25cai_ldu1 = -1;
static int hf_p25cai_ldu2 = -1;
static int hf_p25cai_termlc = -1;
/* Field values */
static const value_string data_unit_ids[] = {
{ 0x0, "Header Data Unit" },
{ 0x3, "Terminator without Link Control" },
{ 0x5, "Logical Link Data Unit 1" },
{ 0x7, "Single Block Format Trunking Control Channel Packet" },
{ 0xA, "Logical Link Data Unit 2" },
{ 0xC, "Packet Data Unit" },
{ 0xF, "Terminator with Link Control" },
{ 0, NULL }
};
/* Initialize the subtree pointers */
static gint ett_p25cai = -1;
static gint ett_nid = -1;
/* Code to actually dissect the packets */
static int
dissect_p25cai(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
/* Set up structures needed to add the protocol subtree and manage it */
proto_item *ti, *nid_item, *du_item;
proto_tree *p25cai_tree, *nid_tree;
int offset;
guint8 duid;
/* If this doesn't look like a P25 CAI frame, give up and return 0 so that
* perhaps another dissector can take over.
*/
/* Check that there's enough data */
if (tvb_length(tvb) < 14) /* P25 CAI smallest packet size */
return 0;
/* Check for correct Frame Sync value
*
* This is commented out for now so that we can deal with symbol errors.
* We could use it if we have error correction working before frames get
* passed to wireshark. Perhaps a more generally useful alternative would
* look for a minimum number of matching bits rather than requiring a 100%
* match.
*
* guint64 fs;
* fs = tvb_get_ntoh64(tvb, 0) >> 16;
* if (fs != FRAME_SYNC_MAGIC)
* return 0;
*/
/* Make entries in Protocol column and Info column on summary display */
if (check_col(pinfo->cinfo, COL_PROTOCOL))
col_set_str(pinfo->cinfo, COL_PROTOCOL, "P25 CAI");
/* Clear the Info column first just in case of duid fetching failure. */
if (check_col(pinfo->cinfo, COL_INFO))
col_clear(pinfo->cinfo, COL_INFO);
duid = tvb_get_guint8(tvb, 7) & 0xF;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, val_to_str(duid, data_unit_ids, "Unknown Data Unit (0x%02x)"));
/* see if we are being asked for details */
if (tree) {
/* create display subtree for the protocol */
ti = proto_tree_add_item(tree, proto_p25cai, tvb, 0, -1, FALSE);
p25cai_tree = proto_item_add_subtree(ti, ett_p25cai);
offset = 0;
/* top level P25 CAI tree */
proto_tree_add_item(p25cai_tree, hf_p25cai_fs, tvb, offset, 6, FALSE);
offset += 6;
nid_item = proto_tree_add_item(p25cai_tree, hf_p25cai_nid, tvb, offset, 8, FALSE);
/* NID subtree */
nid_tree = proto_item_add_subtree(nid_item, ett_nid);
proto_tree_add_item(nid_tree, hf_p25cai_nac, tvb, offset, 2, FALSE);
proto_tree_add_item(nid_tree, hf_p25cai_duid, tvb, offset, 2, FALSE);
offset += 8;
/* TODO: much more decoding below */
switch (duid) {
/* Header Data Unit */
case 0x0:
du_item = proto_tree_add_item(p25cai_tree, hf_p25cai_hdu, tvb, offset, -1, FALSE);
break;
/* Terminator Data Unit without Link Control */
case 0x3:
/* nothing left to decode */
break;
/* Logical Link Data Unit 1 */
case 0x5:
du_item = proto_tree_add_item(p25cai_tree, hf_p25cai_ldu1, tvb, offset, -1, FALSE);
break;
/* Trunking control channel packet in single block format */
case 0x7:
du_item = proto_tree_add_item(p25cai_tree, hf_p25cai_tsbk, tvb, offset, -1, FALSE);
break;
/* Logical Link Data Unit 1 */
case 0xA:
du_item = proto_tree_add_item(p25cai_tree, hf_p25cai_ldu2, tvb, offset, -1, FALSE);
break;
/* Packet Data Unit */
case 0xC:
du_item = proto_tree_add_item(p25cai_tree, hf_p25cai_pdu, tvb, offset, -1, FALSE);
break;
/* Terminator Data Unit with Link Control */
case 0xF:
proto_tree_add_item(p25cai_tree, hf_p25cai_termlc, tvb, offset, -1, FALSE);
break;
/* Unknown Data Unit */
default:
/* don't know how to decode any more */
break;
}
}
/* Return the amount of data this dissector was able to dissect */
return tvb_length(tvb);
}
/* Register the protocol with Wireshark */
void
proto_register_p25cai(void)
{
/* Setup list of fields */
static hf_register_info hf[] = {
{ &hf_p25cai_fs,
{ "Frame Synchronization", "p25cai.fs",
FT_BYTES, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_p25cai_nid,
{ "Network ID Codeword", "p25cai.nid",
FT_UINT64, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_p25cai_nac,
{ "Network Access Code", "p25cai.nac",
FT_UINT16, BASE_HEX, NULL, 0xFFF0,
NULL, HFILL }
},
{ &hf_p25cai_duid,
{ "Data Unit ID", "p25cai.duid",
FT_UINT16, BASE_HEX, VALS(data_unit_ids), 0x000F,
NULL, HFILL }
},
{ &hf_p25cai_hdu,
{ "Header Data Unit", "p25cai.hdu",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_p25cai_tsbk,
{ "Trunking Signaling Block", "p25cai.tsbk",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_p25cai_pdu,
{ "Packet Data Unit", "p25cai.pdu",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_p25cai_ldu1,
{ "Logical Link Data Unit 1", "p25cai.ldu1",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_p25cai_ldu2,
{ "Logical Link Data Unit 2", "p25cai.ldu2",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_p25cai_termlc,
{ "Terminator Data Unit with Link Control", "p25cai.termlc",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
};
/* Setup protocol subtree arrays */
static gint *ett[] = {
&ett_p25cai,
&ett_nid
};
/* Register the protocol name and description */
proto_p25cai = proto_register_protocol(
"APCO Project 25 Common Air Interface", /* full name */
"P25 CAI", /* short name */
"p25cai" /* abbreviation (e.g. for filters) */
);
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_p25cai, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_p25cai(void)
{
static gboolean inited = FALSE;
if (!inited) {
dissector_handle_t p25cai_handle;
/* Use new_create_dissector_handle() to indicate that dissect_p25cai()
* returns the number of bytes it dissected (or 0 if it thinks the packet
* does not belong to APCO Project 25 Common Air Interface).
*/
p25cai_handle = new_create_dissector_handle(dissect_p25cai,
proto_p25cai);
/* FIXME: Temporarily using a reserved ethertype! This is a
* development shortcut that should be corrected later. Perhaps we
* will apply for a libpcap data link type or use other mechanisms in
* the future. Also, we can always use "decode as" in Wireshark.
*/
dissector_add("ethertype", 0xFFFF, p25cai_handle);
inited = TRUE;
}
}

34
wireshark/plugins/p25/plugin.rc.in Normal file
View File

@ -0,0 +1,34 @@
#include "winver.h"
VS_VERSION_INFO VERSIONINFO
FILEVERSION @RC_MODULE_VERSION@
PRODUCTVERSION @RC_VERSION@
FILEFLAGSMASK 0x0L
#ifdef _DEBUG
FILEFLAGS VS_FF_DEBUG
#else
FILEFLAGS 0
#endif
FILEOS VOS_NT_WINDOWS32
FILETYPE VFT_DLL
BEGIN
BLOCK "StringFileInfo"
BEGIN
BLOCK "040904b0"
BEGIN
VALUE "CompanyName", "The Wireshark developer community, http://www.wireshark.org/\0"
VALUE "FileDescription", "@PACKAGE@ dissector\0"
VALUE "FileVersion", "@MODULE_VERSION@\0"
VALUE "InternalName", "@PACKAGE@ @MODULE_VERSION@\0"
VALUE "LegalCopyright", "Copyright © 1998 Gerald Combs <gerald@wireshark.org>, Gilbert Ramirez <gram@alumni.rice.edu> and others\0"
VALUE "OriginalFilename", "@PLUGIN_NAME@.dll\0"
VALUE "ProductName", "Wireshark\0"
VALUE "ProductVersion", "@VERSION@\0"
VALUE "Comments", "Build with @MSVC_VARIANT@\0"
END
END
BLOCK "VarFileInfo"
BEGIN
VALUE "Translation", 0x409, 1200
END
END