summaryrefslogtreecommitdiff
path: root/ext/socket/extconf.rb
blob: 7b744b42426d8502af89e75c48f763c016c9ae36 (plain)
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
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
require 'mkmf'

case RUBY_PLATFORM
when /(ms|bcc)win32|mingw/
  test_func = "WSACleanup"
  have_library("ws2_32", "WSACleanup")
when /cygwin/
  test_func = "socket"
when /beos/
  test_func = "socket"
  have_library("net", "socket")
when /haiku/
  test_func = "socket"
  have_library("network", "socket")
when /i386-os2_emx/
  test_func = "socket"
  have_library("socket", "socket")
else
  test_func = "socket"
  have_library("nsl", "t_open")
  have_library("socket", "socket")
end

unless $mswin or $bccwin or $mingw
  headers = %w<sys/types.h netdb.h string.h sys/socket.h netinet/in.h>
end
if /solaris/ =~ RUBY_PLATFORM and !try_compile("")
  # bug of gcc 3.0 on Solaris 8 ?
  headers << "sys/feature_tests.h"
end
if have_header("arpa/inet.h")
  headers << "arpa/inet.h"
end

ipv6 = false
default_ipv6 = /mswin|cygwin|beos|haiku/ !~ RUBY_PLATFORM
if enable_config("ipv6", default_ipv6)
  if checking_for("ipv6") {try_link(<<EOF)}
#include <sys/types.h>
#ifndef _WIN32
#include <sys/socket.h>
#endif
int
main()
{
  socket(AF_INET6, SOCK_STREAM, 0);
}
EOF
    $defs << "-DENABLE_IPV6" << "-DINET6"
    ipv6 = true
  end
end

if ipv6
  if $mingw
    $CPPFLAGS << " -D_WIN32_WINNT=0x501"
  end
  ipv6lib = nil
  class << (fmt = "unknown")
    def %(s) s || self end
  end
  idirs, ldirs = dir_config("inet6", %w[/usr/inet6 /usr/local/v6].find {|d| File.directory?(d)})
  checking_for("ipv6 type", fmt) do
    if have_macro("IPV6_INRIA_VERSION", "netinet/in.h")
      "inria"
    elsif have_macro("__KAME__", "netinet/in.h")
      have_library(ipv6lib = "inet6")
      "kame"
    elsif have_macro("_TOSHIBA_INET6", "sys/param.h")
      have_library(ipv6lib = "inet6") and "toshiba"
    elsif have_macro("__V6D__", "sys/v6config.h")
      have_library(ipv6lib = "v6") and "v6d"
    elsif have_macro("_ZETA_MINAMI_INET6", "sys/param.h")
      have_library(ipv6lib = "inet6") and "zeta"
    elsif ipv6lib = with_config("ipv6-lib")
      warn <<EOS
--with-ipv6-lib and --with-ipv6-libdir option will be obsolete, use
--with-inet6lib and --with-inet6-{include,lib} options instead.
EOS
      find_library(ipv6lib, nil, with_config("ipv6-libdir", ldirs)) and
        ipv6lib
    elsif have_library("inet6")
      "inet6"
    end
  end or not ipv6lib or abort <<EOS

Fatal: no #{ipv6lib} library found.  cannot continue.
You need to fetch lib#{ipv6lib}.a from appropriate
ipv6 kit and compile beforehand.
EOS
end

if have_struct_member("struct sockaddr_in", "sin_len", headers)
  $defs[-1] = "-DHAVE_SIN_LEN"
end

#   doug's fix, NOW add -Dss_family... only if required!
doug = proc {have_struct_member("struct sockaddr_storage", "ss_family", headers)}
if (doug[] or
    with_cppflags($CPPFLAGS + " -Dss_family=__ss_family", &doug))
  $defs[-1] = "-DHAVE_SOCKADDR_STORAGE"
  doug = proc {have_struct_member("struct sockaddr_storage", "ss_len", headers)}
  doug[] or with_cppflags($CPPFLAGS + " -Dss_len=__ss_len", &doug)
end

if have_struct_member("struct sockaddr", "sa_len", headers)
  $defs[-1] = "-DHAVE_SA_LEN "
end

have_header("netinet/tcp.h") if not /cygwin/ =~ RUBY_PLATFORM # for cygwin 1.1.5
have_header("netinet/udp.h")

if have_func("sendmsg") | have_func("recvmsg")
  have_struct_member('struct msghdr', 'msg_control', ['sys/types.h', 'sys/socket.h'])
  have_struct_member('struct msghdr', 'msg_accrights', ['sys/types.h', 'sys/socket.h'])
end

getaddr_info_ok = (enable_config("wide-getaddrinfo") && :wide) ||
  (checking_for("wide getaddrinfo") {try_run(<<EOF)} && :os)
#{cpp_include(headers)}
#include <stdlib.h>

#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif

#ifndef AF_LOCAL
#define AF_LOCAL AF_UNIX
#endif

int
main()
{
  int passive, gaierr, inet4 = 0, inet6 = 0;
  struct addrinfo hints, *ai, *aitop;
  char straddr[INET6_ADDRSTRLEN], strport[16];
#ifdef _WIN32
  WSADATA retdata;

  WSAStartup(MAKEWORD(2, 0), &retdata);
#endif

  for (passive = 0; passive <= 1; passive++) {
    memset(&hints, 0, sizeof(hints));
    hints.ai_family = AF_UNSPEC;
    hints.ai_protocol = IPPROTO_TCP;
    hints.ai_flags = passive ? AI_PASSIVE : 0;
    hints.ai_socktype = SOCK_STREAM;
    if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
      (void)gai_strerror(gaierr);
      goto bad;
    }
    for (ai = aitop; ai; ai = ai->ai_next) {
      if (ai->ai_family == AF_LOCAL) continue;
      if (ai->ai_addr == NULL)
        goto bad;
#if defined(_AIX)
      if (ai->ai_family == AF_INET6 && passive) {
        inet6++;
        continue;
      }
      ai->ai_addr->sa_len = ai->ai_addrlen;
      ai->ai_addr->sa_family = ai->ai_family;
#endif
      if (ai->ai_addrlen == 0 ||
          getnameinfo(ai->ai_addr, ai->ai_addrlen,
                      straddr, sizeof(straddr), strport, sizeof(strport),
                      NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
        goto bad;
      }
      if (strcmp(strport, "54321") != 0) {
        goto bad;
      }
      switch (ai->ai_family) {
      case AF_INET:
        if (passive) {
          if (strcmp(straddr, "0.0.0.0") != 0) {
            goto bad;
          }
        } else {
          if (strcmp(straddr, "127.0.0.1") != 0) {
            goto bad;
          }
        }
        inet4++;
        break;
      case AF_INET6:
        if (passive) {
          if (strcmp(straddr, "::") != 0) {
            goto bad;
          }
        } else {
          if (strcmp(straddr, "::1") != 0) {
            goto bad;
          }
        }
        inet6++;
        break;
      case AF_UNSPEC:
        goto bad;
        break;
      default:
        /* another family support? */
        break;
      }
    }
  }

  if (!(inet4 == 0 || inet4 == 2))
    goto bad;
  if (!(inet6 == 0 || inet6 == 2))
    goto bad;

  if (aitop)
    freeaddrinfo(aitop);
  exit(EXIT_SUCCESS);

 bad:
  if (aitop)
    freeaddrinfo(aitop);
  exit(EXIT_FAILURE);
}
EOF
if ipv6 and not getaddr_info_ok
  abort <<EOS

Fatal: --enable-ipv6 is specified, and your OS seems to support IPv6 feature.
But your getaddrinfo() and getnameinfo() are appeared to be broken.  Sorry,
you cannot compile IPv6 socket classes with broken these functions.
You can try --enable-wide-getaddrinfo.
EOS
end

case with_config("lookup-order-hack", "UNSPEC")
when "INET"
  $defs << "-DLOOKUP_ORDER_HACK_INET"
when "INET6"
  $defs << "-DLOOKUP_ORDER_HACK_INET6"
when "UNSPEC"
  # nothing special
else
  abort <<EOS

Fatal: invalid value for --with-lookup-order-hack (expected INET, INET6 or UNSPEC)
EOS
end

have_type("struct addrinfo", headers)
have_func("freehostent")
have_func("freeaddrinfo")
if /haiku/ !~ RUBY_PLATFORM and have_func("gai_strerror")
  if checking_for("gai_strerror() returns const pointer") {!try_compile(<<EOF)}
#{cpp_include(headers)}
#include <stdlib.h>
void
conftest_gai_strerror_is_const()
{
    *gai_strerror(0) = 0;
}
EOF
    $defs << "-DGAI_STRERROR_CONST"
  end
end

$objs = [
  "init.#{$OBJEXT}",
  "constants.#{$OBJEXT}",
  "basicsocket.#{$OBJEXT}",
  "socket.#{$OBJEXT}",
  "ipsocket.#{$OBJEXT}",
  "tcpsocket.#{$OBJEXT}",
  "tcpserver.#{$OBJEXT}",
  "sockssocket.#{$OBJEXT}",
  "udpsocket.#{$OBJEXT}",
  "unixsocket.#{$OBJEXT}",
  "unixserver.#{$OBJEXT}",
  "option.#{$OBJEXT}",
  "ancdata.#{$OBJEXT}",
  "raddrinfo.#{$OBJEXT}"
]

if getaddr_info_ok == :wide or
    !have_func("getnameinfo", headers) or !have_func("getaddrinfo", headers)
  if have_struct_member("struct in6_addr", "s6_addr8", headers)
    $defs[-1] = "s6_addr=s6_addr8"
  end
  if ipv6 == "kame" && have_struct_member("struct in6_addr", "s6_addr32", headers)
    $defs[-1] = "-DFAITH"
  end
  $CPPFLAGS="-I. "+$CPPFLAGS
  $objs += ["getaddrinfo.#{$OBJEXT}"]
  $objs += ["getnameinfo.#{$OBJEXT}"]
  $defs << "-DGETADDRINFO_EMU"
  have_func("inet_ntop") or have_func("inet_ntoa")
  have_func("inet_pton") or have_func("inet_aton")
  have_func("getservbyport")
  have_header("arpa/nameser.h")
  have_header("resolv.h")
end

have_header("ifaddrs.h")
have_func("getifaddrs")
have_header("sys/ioctl.h")
have_header("sys/sockio.h")
have_header("net/if.h", headers)

have_header("sys/param.h", headers)
have_header("sys/ucred.h", headers)

unless have_type("socklen_t", headers)
  $defs << "-Dsocklen_t=int"
end

have_header("sys/un.h")
have_header("sys/uio.h")
have_type("struct in_pktinfo", headers) {|src|
  src.sub(%r'^/\*top\*/', '\1'"\n#if defined(IPPROTO_IP) && defined(IP_PKTINFO)") <<
  "#else\n" << "#error\n" << ">>>>>> no in_pktinfo <<<<<<\n" << "#endif\n"
}
have_type("struct in6_pktinfo", headers) {|src|
  src.sub(%r'^/\*top\*/', '\1'"\n#if defined(IPPROTO_IPV6) && defined(IPV6_PKTINFO)") <<
  "#else\n" << "#error\n" << ">>>>>> no in6_pktinfo <<<<<<\n" << "#endif\n"
}
if have_struct_member("struct in_pktinfo", "ipi_spec_dst", headers)
  $defs[-1] = "-DHAVE_IPI_SPEC_DST"
end

have_type("struct sockcred", headers)
have_type("struct cmsgcred", headers)

have_func("getpeereid")

have_header("ucred.h", headers)
have_func("getpeerucred")

# workaround for recent Windows SDK
$defs << "-DIPPROTO_IPV6=IPPROTO_IPV6" if have_const("IPPROTO_IPV6") && !have_macro("IPPROTO_IPV6")

$distcleanfiles << "constants.h" << "constdefs.*"

if have_func(test_func)
  have_func("hsterror")
  have_func("getipnodebyname") or have_func("gethostbyname2")
  have_func("socketpair")
  unless have_func("gethostname")
    have_func("uname")
  end
  if enable_config("socks", ENV["SOCKS_SERVER"])
    if have_library("socks5", "SOCKSinit")
      $defs << "-DSOCKS5" << "-DSOCKS"
    elsif have_library("socks", "Rconnect")
      $defs << "-DSOCKS"
    end
  end
  create_makefile("socket")
end