xref: /freebsd/crypto/heimdal/lib/wind/gen-map.py (revision af23369a6deaaeb612ab266eb88b8bb8d560c322)
1#!/usr/local/bin/python
2# -*- coding: iso-8859-1 -*-
3
4# $Id$
5
6# Copyright (c) 2004 Kungliga Tekniska Högskolan
7# (Royal Institute of Technology, Stockholm, Sweden).
8# All rights reserved.
9#
10# Redistribution and use in source and binary forms, with or without
11# modification, are permitted provided that the following conditions
12# are met:
13#
14# 1. Redistributions of source code must retain the above copyright
15#    notice, this list of conditions and the following disclaimer.
16#
17# 2. Redistributions in binary form must reproduce the above copyright
18#    notice, this list of conditions and the following disclaimer in the
19#    documentation and/or other materials provided with the distribution.
20#
21# 3. Neither the name of the Institute nor the names of its contributors
22#    may be used to endorse or promote products derived from this software
23#    without specific prior written permission.
24#
25# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28# ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35# SUCH DAMAGE.
36
37import re
38import string
39import sys
40
41import generate
42import rfc3454
43import rfc4518
44import stringprep
45import util
46
47if len(sys.argv) != 3:
48    print "usage: %s rfc3454.txt out-dir" % sys.argv[0]
49    sys.exit(1)
50
51tables = rfc3454.read(sys.argv[1])
52t2 = rfc4518.read()
53
54for x in t2.iterkeys():
55    tables[x] = t2[x]
56
57map_list = stringprep.get_maplist()
58
59map_h = generate.Header('%s/map_table.h' % sys.argv[2])
60
61map_c = generate.Implementation('%s/map_table.c' % sys.argv[2])
62
63map_h.file.write(
64'''
65#include "windlocl.h"
66
67struct translation {
68  uint32_t key;
69  unsigned short val_len;
70  unsigned short val_offset;
71  wind_profile_flags flags;
72};
73
74extern const struct translation _wind_map_table[];
75
76extern const size_t _wind_map_table_size;
77
78extern const uint32_t _wind_map_table_val[];
79
80''')
81
82map_c.file.write(
83'''
84#include "map_table.h"
85
86const struct translation _wind_map_table[] = {
87''')
88
89trans=[]
90
91for t in map_list.iterkeys():
92    for l in tables[t]:
93        m = re.search('^ *([0-9A-F]+)-([0-9A-F]+); *([^;]+); *(.*) *$', l)
94        if m:
95            start = int(m.group(1), 0x10)
96            end   = int(m.group(2), 0x10)
97            value = m.group(3)
98            desc  = m.group(4)
99            for key in xrange(start,end,1):
100                trans.append((key, value, desc, [t]))
101            continue
102        m = re.search('^ *([^;]+); *([^;]+); *(.*) *$', l)
103        if m:
104            key   = int(m.group(1), 0x10)
105            value = m.group(2)
106            desc  = m.group(3)
107            trans.append((key, value, desc, [t]))
108            continue
109
110valTable = []
111offsetTable = {}
112
113trans = stringprep.sort_merge_trans(trans)
114
115for x in trans:
116    if x[0] == 0xad:
117        print "fooresult %s" % ",".join(x[3])
118
119for x in trans:
120    (key, value, description, table) = x
121    v = value.split()
122    i = util.subList(valTable, v)
123    if i:
124        offsetTable[key] = i
125    else:
126        offsetTable[key] = len(valTable)
127        valTable.extend(v)
128
129for x in trans:
130    (key, value, description, tables) = x
131    symbols = stringprep.symbols(map_list, tables)
132    if len(symbols) == 0:
133        print "no symbol for %s %s (%s)" % (key, description, tables)
134        sys.exit(1)
135    v = value.split()
136    map_c.file.write("  {0x%x, %u, %u, %s}, /* %s: %s */\n"
137                % (key, len(v), offsetTable[key], symbols, ",".join(tables), description))
138
139map_c.file.write(
140'''
141};
142
143''')
144
145map_c.file.write(
146    "const size_t _wind_map_table_size = %u;\n\n" % len(trans))
147
148map_c.file.write(
149    "const uint32_t _wind_map_table_val[] = {\n")
150
151for x in valTable:
152    map_c.file.write("  0x%s,\n" % x)
153
154map_c.file.write(
155    "};\n\n")
156
157map_h.close()
158map_c.close()
159