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#!/usr/bin/env python3
#
# rdps.py
#
# Wireshark - Network traffic analyzer
# By Gerald Combs <gerald@wireshark.org>
# Copyright 1998 Gerald Combs
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
'''\
takes the file listed as the first argument and creates the file listed
as the second argument. It takes a PostScript file and creates a C source
with 2 functions:
print_ps_preamble()
print_ps_finale()
Ported to Python from rdps.c.
'''
import sys
import os.path
def ps_clean_string(raw_str):
ps_str = ''
for c in raw_str:
if c == '\\':
ps_str += '\\\\'
elif c == '\n':
ps_str += '\\n'
else:
ps_str += c
return ps_str
def start_code(fd, name):
fd.write("static const char ps_%s[] =\n" % name)
def write_code(fd, raw_str):
ps_str = ps_clean_string(raw_str)
fd.write("\t\"%s\"\n" % ps_str)
def end_code(fd, name):
fd.write(";\n")
fd.write("\n")
fd.write("void print_ps_%s(FILE *fd) {\n" % name)
fd.write("\tfwrite(ps_%s, sizeof ps_%s - 1, 1, fd);\n" % ( name, name ) )
fd.write("}\n\n\n")
def exit_err(msg=None, *param):
if msg is not None:
sys.stderr.write(msg % param)
sys.exit(1)
# Globals
STATE_NULL = 'null'
STATE_PREAMBLE = 'preamble'
STATE_FINALE = 'finale'
def main():
state = STATE_NULL
if len(sys.argv) != 3:
exit_err("%s: input_file output_file\n", __file__)
input = open(sys.argv[1], 'r')
output = open(sys.argv[2], 'w')
script_name = os.path.split(__file__)[-1]
output.write('''\
/* DO NOT EDIT
*
* Created by %s.
*
* ps.c
* Definitions for generating PostScript(R) packet output.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <stdio.h>
#include "ps.h"
''' % script_name)
for line in input:
#line = line.rstrip()
if state == STATE_NULL:
if line.startswith("% ---- wireshark preamble start ---- %"):
state = STATE_PREAMBLE
start_code(output, "preamble")
continue
elif line.startswith("% ---- wireshark finale start ---- %"):
state = STATE_FINALE
start_code(output, "finale")
continue
elif state == STATE_PREAMBLE:
if line.startswith("% ---- wireshark preamble end ---- %"):
state = STATE_NULL
end_code(output, "preamble")
continue
else:
write_code(output, line)
elif state == STATE_FINALE:
if line.startswith("% ---- wireshark finale end ---- %"):
state = STATE_NULL
end_code(output, "finale")
continue
else:
write_code(output, line)
else:
exit_err("NO MATCH:%s", line)
sys.exit(0)
if __name__ == "__main__":
main()
#
# Editor modelines - https://www.wireshark.org/tools/modelines.html
#
# Local variables:
# c-basic-offset: 4
# indent-tabs-mode: nil
# End:
#
# vi: set shiftwidth=4 expandtab:
# :indentSize=4:noTabs=true:
#
|
