aboutsummaryrefslogtreecommitdiff
path: root/win/wb.py
blob: 1dacc9b1335dce91cc1a7f32eaed982fba28506a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
# Python module containing general build functions
# for OpenVPN on Windows

import os, re, shutil, stat

autogen = "Automatically generated by OpenVPN Windows build system"

def get_config():
    kv = {}
    parse_version_m4(kv, home_fn('version.m4'))
    parse_settings_in(kv, mod_fn('settings.in'))

    # config fixups
    kv['DDKVER'] = os.path.basename(kv['DDK_PATH'])
    kv['DDKVER_MAJOR'] = re.match(r'^(\d+)\.', kv['DDKVER']).groups()[0]

    if 'VERSION_SUFFIX' in kv:
        kv['PRODUCT_VERSION'] += kv['VERSION_SUFFIX']

    return kv

def get_build_params():
    kv = {}
    parse_build_params(kv,mod_fn('settings.in'))

    return kv

def mod_fn(fn, src=__file__, real=True):
    p = os.path.join(os.path.dirname(src), os.path.normpath(fn))
    if real:
        p = os.path.realpath(p)
    return p

def home_fn(fn, real=True):
    return mod_fn(os.path.join('..', fn), real=real)

def cd_home():
    os.chdir(os.path.join(os.path.dirname(__file__), '..'))

def cd_service_win32():
    os.chdir(os.path.join(os.path.dirname(__file__), '../service-win32'))

def system(cmd):
    print "RUN:", cmd
    os.system(cmd)

def run_in_vs_shell(cmd):
    """Make sure environment variables are setup before running command"""
    os.environ['PATH'] += ";%s\\VC" % (os.path.normpath(config['MSVC']),)
    system('cmd /c "vcvarsall.bat x86 && %s"' % (cmd,))

def parse_version_m4(kv, version_m4):
    '''Parse define lines in version.m4'''
    r = re.compile(r'^define\((\w+),\[(.*)\]\)$')
    f = open(version_m4)
    for line in f:
        line = line.rstrip()
        m = re.match(r, line)

        if m:
            g = m.groups()

            # If we encounter PRODUCT_TAP_WIN32_MIN_MAJOR or 
            # PRODUCT_TAP_WIN32_MIN_MAJOR then we need to generate extra 
            # variables, PRODUCT_TAP_MAJOR_VER and PRODUCT_TAP_MINOR_VER with 
            # the same contents. This is necessary because tap-win32/tapdrv.c 
            # build depends on those.
            if g[0] == 'PRODUCT_TAP_WIN32_MIN_MAJOR':
                kv['PRODUCT_TAP_MAJOR_VER'] = g[1]
            elif g[0] == 'PRODUCT_TAP_WIN32_MIN_MINOR':
                kv['PRODUCT_TAP_MINOR_VER'] = g[1]

            # Add the variable to build configuration
            kv[g[0]] = g[1]
    f.close()

def parse_settings_in(kv, settings_in):
    r = re.compile(r'^!define\s+(\w+)(?:\s+"?(.*?)"?)?$')
    f = open(settings_in)
    for line in f:
        line = line.rstrip()
        m = re.match(r, line)
        if m:
            g = m.groups()
            kv[g[0]] = g[1] or ''
    f.close()

def parse_build_params(kv, settings_in):
    r = re.compile(r'^!define\s+(ENABLE_\w+)\s+(\w+)')

    f = open(settings_in)

    for line in f:
        line = line.rstrip()

        # Check if this is a #define line starts with ENABLE_
        m = re.match(r, line)

        if m:
                g = m.groups()
                kv[g[0]] = g[1] or ''
    f.close()

def dict_def(dict, newdefs):
    ret = dict.copy()
    ret.update(newdefs)
    return ret

def build_autodefs(kv, autodefs_in, autodefs_out):
    preprocess(kv,
               in_fn=autodefs_in,
               out_fn=autodefs_out,
               quote_begin='@',
               quote_end='@',
               head_comment='/* %s */\n\n' % autogen)

def build_config_h(kv):
    """Generate static win/config.h to config.h to mimic autotools behavior"""
    preprocess(kv,
               in_fn=mod_fn('config.h.in'),
               out_fn=home_fn('config.h'),
               quote_begin='@',
               quote_end='@',
               head_comment='/* %s */\n\n' % autogen)

def build_configure_h(kv, configure_h_out, head_comment):
    """Generate a configure.h dynamically"""
    fout = open(configure_h_out, 'w')

    # These two variables are required to view build parameters during runtime 
    configure_defines='#define CONFIGURE_DEFINES \"'
    configure_call='#define CONFIGURE_CALL \" config_all.py \"'

    # Initialize the list of enabled features
    features = ''

    # Write the header
    fout.write(head_comment)

    dict = get_build_params()

    for key, value in dict.iteritems():
        # Add enabled features
	features = features + "#define " + key + " " + value + "\n"

	# Add each enabled feature to CONFIGURE_DEFINES list
        configure_defines = configure_defines + " " + key + "=" + value + ","

    configure_defines = configure_defines + "\"" + "\n"

    fout.write(features)
    fout.write(configure_defines)
    fout.write(configure_call)


    fout.close()

def build_version_m4_vars(version_m4_vars_out, head_comment):
    """Generate a temporary file containing variables from version.m4 in 
win/settings.in format. This done to allow importing them in win/openvpn.nsi"""

    fout = open(version_m4_vars_out, 'w')
    fout.write(head_comment)

    kv = {}
    parse_version_m4(kv, home_fn('version.m4'))

    for key, value in kv.iteritems():
         line = "!define " + key + "\t" + "\"" + value + "\"" + "\n"
         fout.write(line)

    fout.close()

def preprocess(kv, in_fn, out_fn, quote_begin=None, quote_end=None, if_prefix=None, head_comment=None):
    def repfn(m):
        var, = m.groups()
        return kv.get(var, '')

    re_macro = re_ifdef = None

    if quote_begin and quote_end:
        re_macro = re.compile(r'%s(\w+)%s' % (re.escape(quote_begin), re.escape(quote_end)))

    if if_prefix:
        re_ifdef = re.compile(r'^\s*%sifdef\s+(\w+)\b' % (re.escape(if_prefix),))
        re_else = re.compile(r'^\s*%selse\b' % (re.escape(if_prefix),))
        re_endif = re.compile(r'^\s*%sendif\b' % (re.escape(if_prefix),))

    if_stack = []
    fin = open(in_fn)
    fout = open(out_fn, 'w')
    if head_comment:
        fout.write(head_comment)
    for line in fin:
        if re_ifdef:
            m = re.match(re_ifdef, line)
            if m:
                var, = m.groups()
                if_stack.append(int(var in kv))
                continue
            elif re.match(re_else, line):
                if_stack[-1] ^= 1
                continue
            elif re.match(re_endif, line):
                if_stack.pop()
                continue
        if not if_stack or min(if_stack):
            if re_macro:
                line = re.sub(re_macro, repfn, line)
            fout.write(line)
    assert not if_stack
    fin.close()
    fout.close()

def print_key_values(kv):
    for k, v in sorted(kv.items()):
        print "%s%s%s" % (k, ' '*(32-len(k)), repr(v))

def get_sources(makefile_am):
    """Parse ../Makefile.am to obtain a list of .h and .c files"""
    c = set()
    h = set()
    f = open(makefile_am)
    state = False
    for line in f:
        line = line.rstrip()
        if line == 'openvpn_SOURCES = \\':
            state = True
        elif not line:
            state = False
        elif state:
            for sf in line.split():
                if sf.endswith('.c'):
                    c.add(sf[:-2])
                elif sf.endswith('.h'):
                    h.add(sf[:-2])
                elif sf == '\\':
                    pass
                else:
                    print >>sys.stderr, "Unrecognized filename:", sf
    f.close()
    return [ sorted(list(s)) for s in (c, h) ]

def output_mak_list(title, srclist, ext):
    ret = "%s =" % (title,)
    for x in srclist:
        ret += " \\\n\t%s.%s" % (x, ext)
    ret += '\n\n'
    return ret

def make_headers_objs(makefile_am):
    """Generate HEADER and OBJS entries dynamically from ../Makefile.am"""
    c, h = get_sources(makefile_am)
    ret = output_mak_list('HEADERS', h, 'h')
    ret += output_mak_list('OBJS', c, 'obj')
    return ret

def choose_arch(arch_name):
    if arch_name == 'x64':
        return (True,)
    elif arch_name == 'x86':
        return (False,)
    elif arch_name == 'all':
        return (True, False)
    else:
        raise ValueError("architecture ('%s') must be x86, x64, or all" % (arch_name,))

def rm_rf(dir):
    print "REMOVE", dir
    shutil.rmtree(dir, ignore_errors=True)

def mkdir(dir):
    print "MKDIR", dir
    os.mkdir(dir)

def cp_a(src, dest, dest_is_dir=True):
    if dest_is_dir:
        dest = os.path.join(dest, os.path.basename(src))
    print "COPY_DIR %s %s" % (src, dest)
    shutil.copytree(src, dest)

def cp(src, dest, dest_is_dir=True):
    if dest_is_dir:
        dest = os.path.join(dest, os.path.basename(src))
    print "COPY %s %s" % (src, dest)
    shutil.copyfile(src, dest)

def rename(src, dest):
    print "RENAME %s %s" % (src, dest)
    shutil.move(src, dest)

def rm_rf(path):
    try:
        shutil.rmtree(path, onerror=onerror)
    except:
        pass

def onerror(func, path, exc_info):
    """
    Error handler for ``shutil.rmtree``.

    If the error is due to an access error (read only file)
    it attempts to add write permission and then retries.

    If the error is for another reason it re-raises the error.

    Usage : ``shutil.rmtree(path, onerror=onerror)``
    """
    if not os.access(path, os.W_OK):
        # Is the error an access error ?
        os.chmod(path, stat.S_IWUSR)
        func(path)
    else:
        raise

def mkdir_silent(dir):
    try:
        os.mkdir(dir)
    except:
        pass

config = get_config()