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e4b265d8 | 1 | /* Copyright (C) 1996,1997,1998,2000,2001 Free Software Foundation, Inc. |
86667910 JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
86667910 JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 | 41 | |
1bbd0b84 | 42 | |
0f2d19dd JB |
43 | \f |
44 | ||
e6e2e95a MD |
45 | #include <errno.h> |
46 | ||
a0599745 MD |
47 | #include "libguile/_scm.h" |
48 | #include "libguile/unif.h" | |
49 | #include "libguile/feature.h" | |
50 | #include "libguile/fports.h" | |
51 | #include "libguile/strings.h" | |
52 | #include "libguile/vectors.h" | |
20e6290e | 53 | |
a0599745 MD |
54 | #include "libguile/validate.h" |
55 | #include "libguile/socket.h" | |
95b88819 | 56 | |
b4e15479 SJ |
57 | #ifdef __MINGW32__ |
58 | #include "win32-socket.h" | |
59 | #endif | |
60 | ||
af68e5e5 SJ |
61 | #ifdef HAVE_STDINT_H |
62 | #include <stdint.h> | |
63 | #endif | |
95b88819 GH |
64 | #ifdef HAVE_STRING_H |
65 | #include <string.h> | |
66 | #endif | |
370312ae GH |
67 | #ifdef HAVE_UNISTD_H |
68 | #include <unistd.h> | |
69 | #endif | |
0f2d19dd | 70 | #include <sys/types.h> |
82893676 MG |
71 | #ifdef HAVE_WINSOCK2_H |
72 | #include <winsock2.h> | |
73 | #else | |
0f2d19dd | 74 | #include <sys/socket.h> |
1ba8c23a | 75 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
0f2d19dd | 76 | #include <sys/un.h> |
0e958795 | 77 | #endif |
0f2d19dd JB |
78 | #include <netinet/in.h> |
79 | #include <netdb.h> | |
80 | #include <arpa/inet.h> | |
82893676 | 81 | #endif |
0f2d19dd | 82 | |
97d0e20b GH |
83 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) && !defined (SUN_LEN) |
84 | #define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \ | |
85 | + strlen ((ptr)->sun_path)) | |
86 | #endif | |
87 | ||
00120130 GH |
88 | #if !defined (HAVE_UINT32_T) |
89 | #if SIZEOF_INT == 4 | |
90 | typedef unsigned int uint32_t; | |
91 | #elif SIZEOF_LONG == 4 | |
92 | typedef unsigned long uint32_t; | |
93 | #else | |
94 | #error can not define uint32_t | |
95 | #endif | |
96 | #endif | |
97 | ||
439006bf GH |
98 | /* we are not currently using socklen_t. it's not defined on all systems, |
99 | so would need to be checked by configure. in the meantime, plain | |
100 | int is the best alternative. */ | |
101 | ||
0f2d19dd JB |
102 | \f |
103 | ||
a1ec6916 | 104 | SCM_DEFINE (scm_htons, "htons", 1, 0, 0, |
eefae538 GH |
105 | (SCM value), |
106 | "Convert a 16 bit quantity from host to network byte ordering.\n" | |
107 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
108 | "and returned as a new integer.") | |
1bbd0b84 | 109 | #define FUNC_NAME s_scm_htons |
5c11cc9d GH |
110 | { |
111 | unsigned short c_in; | |
112 | ||
eefae538 GH |
113 | SCM_VALIDATE_INUM_COPY (1, value, c_in); |
114 | if (c_in != SCM_INUM (value)) | |
115 | SCM_OUT_OF_RANGE (1, value); | |
5c11cc9d GH |
116 | |
117 | return SCM_MAKINUM (htons (c_in)); | |
118 | } | |
1bbd0b84 | 119 | #undef FUNC_NAME |
5c11cc9d | 120 | |
a1ec6916 | 121 | SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0, |
eefae538 GH |
122 | (SCM value), |
123 | "Convert a 16 bit quantity from network to host byte ordering.\n" | |
124 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
125 | "and returned as a new integer.") | |
1bbd0b84 | 126 | #define FUNC_NAME s_scm_ntohs |
5c11cc9d GH |
127 | { |
128 | unsigned short c_in; | |
129 | ||
eefae538 GH |
130 | SCM_VALIDATE_INUM_COPY (1, value, c_in); |
131 | if (c_in != SCM_INUM (value)) | |
132 | SCM_OUT_OF_RANGE (1, value); | |
5c11cc9d GH |
133 | |
134 | return SCM_MAKINUM (ntohs (c_in)); | |
135 | } | |
1bbd0b84 | 136 | #undef FUNC_NAME |
5c11cc9d | 137 | |
a1ec6916 | 138 | SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0, |
eefae538 GH |
139 | (SCM value), |
140 | "Convert a 32 bit quantity from host to network byte ordering.\n" | |
141 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
142 | "and returned as a new integer.") | |
1bbd0b84 | 143 | #define FUNC_NAME s_scm_htonl |
5c11cc9d | 144 | { |
eefae538 | 145 | uint32_t c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 146 | |
5c11cc9d GH |
147 | return scm_ulong2num (htonl (c_in)); |
148 | } | |
1bbd0b84 | 149 | #undef FUNC_NAME |
5c11cc9d | 150 | |
a1ec6916 | 151 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
152 | (SCM value), |
153 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
154 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
155 | "and returned as a new integer.") | |
1bbd0b84 | 156 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 157 | { |
eefae538 | 158 | uint32_t c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 159 | |
5c11cc9d GH |
160 | return scm_ulong2num (ntohl (c_in)); |
161 | } | |
1bbd0b84 | 162 | #undef FUNC_NAME |
5c11cc9d | 163 | |
66c73b76 GH |
164 | #ifndef HAVE_INET_ATON |
165 | /* for our definition in inet_aton.c, not usually needed. */ | |
166 | extern int inet_aton (); | |
167 | #endif | |
168 | ||
169 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, | |
170 | (SCM address), | |
eefae538 GH |
171 | "Convert an IPv4 Internet address from printable string\n" |
172 | "(dotted decimal notation) to an integer. E.g.,\n\n" | |
66c73b76 GH |
173 | "@lisp\n" |
174 | "(inet-aton \"127.0.0.1\") @result{} 2130706433\n" | |
175 | "@end lisp") | |
176 | #define FUNC_NAME s_scm_inet_aton | |
177 | { | |
178 | struct in_addr soka; | |
179 | ||
180 | SCM_VALIDATE_STRING (1, address); | |
66c73b76 GH |
181 | if (inet_aton (SCM_STRING_CHARS (address), &soka) == 0) |
182 | SCM_MISC_ERROR ("bad address", SCM_EOL); | |
183 | return scm_ulong2num (ntohl (soka.s_addr)); | |
184 | } | |
185 | #undef FUNC_NAME | |
186 | ||
187 | ||
188 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, | |
189 | (SCM inetid), | |
eefae538 GH |
190 | "Convert an IPv4 Internet address to a printable\n" |
191 | "(dotted decimal notation) string. E.g.,\n\n" | |
66c73b76 GH |
192 | "@lisp\n" |
193 | "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n" | |
194 | "@end lisp") | |
195 | #define FUNC_NAME s_scm_inet_ntoa | |
196 | { | |
197 | struct in_addr addr; | |
198 | char *s; | |
199 | SCM answer; | |
200 | addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid)); | |
201 | s = inet_ntoa (addr); | |
36284627 | 202 | answer = scm_mem2string (s, strlen (s)); |
66c73b76 GH |
203 | return answer; |
204 | } | |
205 | #undef FUNC_NAME | |
206 | ||
207 | #ifdef HAVE_INET_NETOF | |
208 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
209 | (SCM address), | |
eefae538 GH |
210 | "Return the network number part of the given IPv4\n" |
211 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
212 | "@lisp\n" |
213 | "(inet-netof 2130706433) @result{} 127\n" | |
214 | "@end lisp") | |
215 | #define FUNC_NAME s_scm_inet_netof | |
216 | { | |
217 | struct in_addr addr; | |
218 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
219 | return scm_ulong2num ((unsigned long) inet_netof (addr)); | |
220 | } | |
221 | #undef FUNC_NAME | |
222 | #endif | |
223 | ||
224 | #ifdef HAVE_INET_LNAOF | |
225 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
226 | (SCM address), | |
227 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
228 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
229 | "E.g.,\n\n" | |
66c73b76 GH |
230 | "@lisp\n" |
231 | "(inet-lnaof 2130706433) @result{} 1\n" | |
232 | "@end lisp") | |
233 | #define FUNC_NAME s_scm_lnaof | |
234 | { | |
235 | struct in_addr addr; | |
236 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
237 | return scm_ulong2num ((unsigned long) inet_lnaof (addr)); | |
238 | } | |
239 | #undef FUNC_NAME | |
240 | #endif | |
241 | ||
242 | #ifdef HAVE_INET_MAKEADDR | |
243 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
244 | (SCM net, SCM lna), | |
eefae538 | 245 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 246 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 247 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
248 | "@lisp\n" |
249 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
250 | "@end lisp") | |
251 | #define FUNC_NAME s_scm_inet_makeaddr | |
252 | { | |
253 | struct in_addr addr; | |
254 | unsigned long netnum; | |
255 | unsigned long lnanum; | |
256 | ||
257 | netnum = SCM_NUM2ULONG (1, net); | |
258 | lnanum = SCM_NUM2ULONG (2, lna); | |
259 | addr = inet_makeaddr (netnum, lnanum); | |
260 | return scm_ulong2num (ntohl (addr.s_addr)); | |
261 | } | |
262 | #undef FUNC_NAME | |
263 | #endif | |
264 | ||
a57a0b1e | 265 | #ifdef HAVE_IPV6 |
eefae538 | 266 | |
66c73b76 GH |
267 | /* flip a 128 bit IPv6 address between host and network order. */ |
268 | #ifdef WORDS_BIGENDIAN | |
269 | #define FLIP_NET_HOST_128(addr) | |
270 | #else | |
271 | #define FLIP_NET_HOST_128(addr)\ | |
272 | {\ | |
273 | int i;\ | |
274 | \ | |
275 | for (i = 0; i < 8; i++)\ | |
276 | {\ | |
277 | char c = (addr)[i];\ | |
278 | \ | |
279 | (addr)[i] = (addr)[15 - i];\ | |
280 | (addr)[15 - i] = c;\ | |
281 | }\ | |
282 | } | |
283 | #endif | |
284 | ||
285 | /* convert a 128 bit IPv6 address in network order to a host ordered | |
286 | SCM integer. */ | |
287 | static SCM ipv6_net_to_num (const char *src) | |
288 | { | |
289 | int big_digits = 128 / SCM_BITSPERDIG; | |
290 | const int bytes_per_dig = SCM_BITSPERDIG / 8; | |
291 | char addr[16]; | |
292 | char *ptr = addr; | |
293 | SCM result; | |
294 | ||
295 | memcpy (addr, src, 16); | |
296 | /* get rid of leading zeros. */ | |
297 | while (big_digits > 0) | |
298 | { | |
299 | long test = 0; | |
300 | ||
301 | memcpy (&test, ptr, bytes_per_dig); | |
302 | if (test != 0) | |
303 | break; | |
304 | ptr += bytes_per_dig; | |
305 | big_digits--; | |
306 | } | |
307 | FLIP_NET_HOST_128 (addr); | |
308 | if (big_digits * bytes_per_dig <= sizeof (unsigned long)) | |
309 | { | |
310 | /* this is just so that we use INUM where possible. */ | |
311 | unsigned long l_addr; | |
312 | ||
313 | memcpy (&l_addr, addr, sizeof (unsigned long)); | |
314 | result = scm_ulong2num (l_addr); | |
315 | } | |
316 | else | |
317 | { | |
1be6b49c | 318 | result = scm_i_mkbig (big_digits, 0); |
66c73b76 GH |
319 | memcpy (SCM_BDIGITS (result), addr, big_digits * bytes_per_dig); |
320 | } | |
321 | return result; | |
322 | } | |
323 | ||
324 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
325 | network order. */ | |
326 | static void ipv6_num_to_net (SCM src, char *dst) | |
327 | { | |
328 | if (SCM_INUMP (src)) | |
329 | { | |
330 | uint32_t addr = htonl (SCM_INUM (src)); | |
331 | ||
332 | memset (dst, 0, 12); | |
333 | memcpy (dst + 12, &addr, 4); | |
334 | } | |
335 | else | |
336 | { | |
337 | memset (dst, 0, 16); | |
338 | memcpy (dst, SCM_BDIGITS (src), | |
339 | SCM_NUMDIGS (src) * (SCM_BITSPERDIG / 8)); | |
340 | FLIP_NET_HOST_128 (dst); | |
341 | } | |
342 | } | |
343 | ||
344 | /* check that an SCM variable contains an IPv6 integer address. */ | |
345 | #define VALIDATE_INET6(which_arg, address)\ | |
346 | if (SCM_INUMP (address))\ | |
347 | SCM_ASSERT_RANGE (which_arg, address, SCM_INUM (address) >= 0);\ | |
348 | else\ | |
349 | {\ | |
350 | SCM_VALIDATE_BIGINT (which_arg, address);\ | |
351 | SCM_ASSERT_RANGE (which_arg, address,\ | |
352 | !SCM_BIGSIGN (address)\ | |
353 | && (SCM_BITSPERDIG\ | |
354 | * SCM_NUMDIGS (address) <= 128));\ | |
355 | } | |
356 | ||
357 | #ifdef HAVE_INET_PTON | |
358 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, | |
359 | (SCM family, SCM address), | |
eefae538 GH |
360 | "Convert a string containing a printable network address to\n" |
361 | "an integer address. Note that unlike the C version of this\n" | |
362 | "function,\n" | |
66c73b76 | 363 | "the result is an integer with normal host byte ordering.\n" |
eefae538 | 364 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 365 | "@lisp\n" |
dd85ce47 ML |
366 | "(inet-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n" |
367 | "(inet-pton AF_INET6 \"::1\") @result{} 1\n" | |
66c73b76 GH |
368 | "@end lisp") |
369 | #define FUNC_NAME s_scm_inet_pton | |
370 | { | |
371 | int af; | |
372 | char *src; | |
373 | char dst[16]; | |
374 | int rv; | |
375 | ||
376 | SCM_VALIDATE_INUM_COPY (1, family, af); | |
377 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); | |
378 | SCM_VALIDATE_STRING_COPY (2, address, src); | |
379 | rv = inet_pton (af, src, dst); | |
380 | if (rv == -1) | |
381 | SCM_SYSERROR; | |
382 | else if (rv == 0) | |
383 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
384 | if (af == AF_INET) | |
385 | return scm_ulong2num (ntohl (*(uint32_t *) dst)); | |
386 | else | |
387 | return ipv6_net_to_num ((char *) dst); | |
388 | } | |
389 | #undef FUNC_NAME | |
390 | #endif | |
391 | ||
392 | #ifdef HAVE_INET_NTOP | |
393 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, | |
394 | (SCM family, SCM address), | |
eefae538 | 395 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
396 | "Note that unlike the C version of this function,\n" |
397 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 398 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 399 | "@lisp\n" |
dd85ce47 | 400 | "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n" |
66c73b76 GH |
401 | "(inet-ntop AF_INET6 (- (expt 2 128) 1)) @result{}\n" |
402 | "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\n" | |
403 | "@end lisp") | |
404 | #define FUNC_NAME s_scm_inet_ntop | |
405 | { | |
406 | int af; | |
407 | #ifdef INET6_ADDRSTRLEN | |
408 | char dst[INET6_ADDRSTRLEN]; | |
409 | #else | |
410 | char dst[46]; | |
411 | #endif | |
412 | char addr6[16]; | |
413 | ||
414 | SCM_VALIDATE_INUM_COPY (1, family, af); | |
415 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); | |
416 | if (af == AF_INET) | |
417 | *(uint32_t *) addr6 = htonl (SCM_NUM2ULONG (2, address)); | |
418 | else | |
419 | { | |
420 | VALIDATE_INET6 (2, address); | |
421 | ipv6_num_to_net (address, addr6); | |
422 | } | |
423 | if (inet_ntop (af, &addr6, dst, sizeof dst) == NULL) | |
424 | SCM_SYSERROR; | |
425 | return scm_makfrom0str (dst); | |
426 | } | |
427 | #undef FUNC_NAME | |
428 | #endif | |
429 | ||
a57a0b1e | 430 | #endif /* HAVE_IPV6 */ |
eefae538 | 431 | |
bc45012d | 432 | SCM_SYMBOL (sym_socket, "socket"); |
82ddea4e | 433 | |
439006bf | 434 | #define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket) |
1bbd0b84 | 435 | |
a1ec6916 | 436 | SCM_DEFINE (scm_socket, "socket", 3, 0, 0, |
1bbd0b84 | 437 | (SCM family, SCM style, SCM proto), |
1e6808ea | 438 | "Return a new socket port of the type specified by @var{family},\n" |
eefae538 | 439 | "@var{style} and @var{proto}. All three parameters are\n" |
3453619b GH |
440 | "integers. Supported values for @var{family} are\n" |
441 | "@code{AF_UNIX}, @code{AF_INET} and @code{AF_INET6}.\n" | |
442 | "Typical values for @var{style} are @code{SOCK_STREAM},\n" | |
eefae538 GH |
443 | "@code{SOCK_DGRAM} and @code{SOCK_RAW}.\n\n" |
444 | "@var{proto} can be obtained from a protocol name using\n" | |
1e6808ea | 445 | "@code{getprotobyname}. A value of zero specifies the default\n" |
eefae538 | 446 | "protocol, which is usually right.\n\n" |
1e6808ea MG |
447 | "A single socket port cannot by used for communication until it\n" |
448 | "has been connected to another socket.") | |
1bbd0b84 | 449 | #define FUNC_NAME s_scm_socket |
0f2d19dd | 450 | { |
370312ae | 451 | int fd; |
370312ae | 452 | |
439006bf GH |
453 | SCM_VALIDATE_INUM (1, family); |
454 | SCM_VALIDATE_INUM (2, style); | |
455 | SCM_VALIDATE_INUM (3, proto); | |
370312ae | 456 | fd = socket (SCM_INUM (family), SCM_INUM (style), SCM_INUM (proto)); |
439006bf GH |
457 | if (fd == -1) |
458 | SCM_SYSERROR; | |
459 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 460 | } |
1bbd0b84 | 461 | #undef FUNC_NAME |
0f2d19dd | 462 | |
0e958795 | 463 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 464 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 465 | (SCM family, SCM style, SCM proto), |
1e6808ea | 466 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 467 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
468 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
469 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 470 | "@var{proto}.") |
1bbd0b84 | 471 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 472 | { |
370312ae GH |
473 | int fam; |
474 | int fd[2]; | |
370312ae | 475 | |
3b3b36dd GB |
476 | SCM_VALIDATE_INUM (1,family); |
477 | SCM_VALIDATE_INUM (2,style); | |
478 | SCM_VALIDATE_INUM (3,proto); | |
370312ae GH |
479 | |
480 | fam = SCM_INUM (family); | |
481 | ||
370312ae | 482 | if (socketpair (fam, SCM_INUM (style), SCM_INUM (proto), fd) == -1) |
1bbd0b84 | 483 | SCM_SYSERROR; |
370312ae | 484 | |
439006bf | 485 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 486 | } |
1bbd0b84 | 487 | #undef FUNC_NAME |
0e958795 | 488 | #endif |
0f2d19dd | 489 | |
a1ec6916 | 490 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 491 | (SCM sock, SCM level, SCM optname), |
1e6808ea | 492 | "Return the value of a particular socket option for the socket\n" |
eefae538 | 493 | "port @var{sock}. @var{level} is an integer code for type of\n" |
1e6808ea MG |
494 | "option being requested, e.g., @code{SOL_SOCKET} for\n" |
495 | "socket-level options. @var{optname} is an integer code for the\n" | |
496 | "option required and should be specified using one of the\n" | |
eefae538 | 497 | "symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n\n" |
1e6808ea MG |
498 | "The returned value is typically an integer but @code{SO_LINGER}\n" |
499 | "returns a pair of integers.") | |
1bbd0b84 | 500 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 501 | { |
370312ae | 502 | int fd; |
439006bf | 503 | /* size of optval is the largest supported option. */ |
370312ae GH |
504 | #ifdef HAVE_STRUCT_LINGER |
505 | char optval[sizeof (struct linger)]; | |
439006bf | 506 | int optlen = sizeof (struct linger); |
370312ae | 507 | #else |
1be6b49c ML |
508 | char optval[sizeof (size_t)]; |
509 | int optlen = sizeof (size_t); | |
370312ae GH |
510 | #endif |
511 | int ilevel; | |
512 | int ioptname; | |
0f2d19dd | 513 | |
78446828 | 514 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 MD |
515 | SCM_VALIDATE_OPFPORT (1, sock); |
516 | SCM_VALIDATE_INUM_COPY (2, level, ilevel); | |
517 | SCM_VALIDATE_INUM_COPY (3, optname, ioptname); | |
0f2d19dd | 518 | |
ee149d03 | 519 | fd = SCM_FPORT_FDES (sock); |
370312ae | 520 | if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1) |
1bbd0b84 | 521 | SCM_SYSERROR; |
1cc91f1b | 522 | |
439006bf | 523 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 524 | { |
439006bf GH |
525 | #ifdef SO_LINGER |
526 | if (ioptname == SO_LINGER) | |
527 | { | |
370312ae | 528 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
529 | struct linger *ling = (struct linger *) optval; |
530 | ||
531 | return scm_cons (scm_long2num (ling->l_onoff), | |
532 | scm_long2num (ling->l_linger)); | |
370312ae | 533 | #else |
82893676 | 534 | return scm_cons (scm_long2num (*(int *) optval), |
439006bf | 535 | SCM_MAKINUM (0)); |
0f2d19dd | 536 | #endif |
439006bf GH |
537 | } |
538 | else | |
370312ae | 539 | #endif |
439006bf | 540 | if (0 |
370312ae | 541 | #ifdef SO_SNDBUF |
439006bf | 542 | || ioptname == SO_SNDBUF |
370312ae GH |
543 | #endif |
544 | #ifdef SO_RCVBUF | |
439006bf | 545 | || ioptname == SO_RCVBUF |
370312ae | 546 | #endif |
439006bf GH |
547 | ) |
548 | { | |
1be6b49c | 549 | return scm_long2num (*(size_t *) optval); |
439006bf GH |
550 | } |
551 | } | |
552 | return scm_long2num (*(int *) optval); | |
0f2d19dd | 553 | } |
1bbd0b84 | 554 | #undef FUNC_NAME |
0f2d19dd | 555 | |
a1ec6916 | 556 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 557 | (SCM sock, SCM level, SCM optname, SCM value), |
eefae538 GH |
558 | "Set the value of a particular socket option for the socket\n" |
559 | "port @var{sock}. @var{level} is an integer code for type of option\n" | |
b380b885 MD |
560 | "being set, e.g., @code{SOL_SOCKET} for socket-level options.\n" |
561 | "@var{optname} is an\n" | |
562 | "integer code for the option to set and should be specified using one of\n" | |
563 | "the symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n" | |
564 | "@var{value} is the value to which the option should be set. For\n" | |
565 | "most options this must be an integer, but for @code{SO_LINGER} it must\n" | |
566 | "be a pair.\n\n" | |
567 | "The return value is unspecified.") | |
1bbd0b84 | 568 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 569 | { |
370312ae | 570 | int fd; |
439006bf GH |
571 | int optlen = -1; |
572 | /* size of optval is the largest supported option. */ | |
370312ae | 573 | #ifdef HAVE_STRUCT_LINGER |
439006bf | 574 | char optval[sizeof (struct linger)]; |
370312ae | 575 | #else |
1be6b49c | 576 | char optval[sizeof (size_t)]; |
370312ae GH |
577 | #endif |
578 | int ilevel, ioptname; | |
439006bf | 579 | |
78446828 | 580 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
581 | |
582 | SCM_VALIDATE_OPFPORT (1, sock); | |
583 | SCM_VALIDATE_INUM_COPY (2, level, ilevel); | |
584 | SCM_VALIDATE_INUM_COPY (3, optname, ioptname); | |
585 | ||
ee149d03 | 586 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
587 | |
588 | if (ilevel == SOL_SOCKET) | |
370312ae | 589 | { |
439006bf GH |
590 | #ifdef SO_LINGER |
591 | if (ioptname == SO_LINGER) | |
592 | { | |
370312ae | 593 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
594 | struct linger ling; |
595 | long lv; | |
596 | ||
597 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
598 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
599 | ling.l_onoff = (int) lv; | |
600 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_onoff == lv); | |
601 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
602 | ling.l_linger = (int) lv; | |
603 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_linger == lv); | |
604 | optlen = (int) sizeof (struct linger); | |
605 | memcpy (optval, (void *) &ling, optlen); | |
370312ae | 606 | #else |
439006bf GH |
607 | int ling; |
608 | long lv; | |
609 | ||
610 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
611 | /* timeout is ignored, but may as well validate it. */ | |
612 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
613 | ling = (int) lv; | |
614 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
615 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
616 | ling = (int) lv; | |
617 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
618 | optlen = (int) sizeof (int); | |
619 | (*(int *) optval) = ling; | |
620 | #endif | |
621 | } | |
622 | else | |
623 | #endif | |
624 | if (0 | |
370312ae | 625 | #ifdef SO_SNDBUF |
439006bf | 626 | || ioptname == SO_SNDBUF |
370312ae GH |
627 | #endif |
628 | #ifdef SO_RCVBUF | |
439006bf | 629 | || ioptname == SO_RCVBUF |
370312ae | 630 | #endif |
439006bf GH |
631 | ) |
632 | { | |
633 | long lv = SCM_NUM2LONG (4, value); | |
634 | ||
1be6b49c ML |
635 | optlen = (int) sizeof (size_t); |
636 | (*(size_t *) optval) = (size_t) lv; | |
439006bf GH |
637 | } |
638 | } | |
639 | if (optlen == -1) | |
0f2d19dd | 640 | { |
439006bf GH |
641 | /* Most options take an int. */ |
642 | long lv = SCM_NUM2LONG (4, value); | |
643 | int val = (int) lv; | |
644 | ||
645 | SCM_ASSERT_RANGE (SCM_ARG4, value, val == lv); | |
370312ae | 646 | optlen = (int) sizeof (int); |
439006bf | 647 | (*(int *) optval) = val; |
0f2d19dd | 648 | } |
370312ae | 649 | if (setsockopt (fd, ilevel, ioptname, (void *) optval, optlen) == -1) |
1bbd0b84 | 650 | SCM_SYSERROR; |
370312ae | 651 | return SCM_UNSPECIFIED; |
0f2d19dd | 652 | } |
1bbd0b84 | 653 | #undef FUNC_NAME |
0f2d19dd | 654 | |
a1ec6916 | 655 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 656 | (SCM sock, SCM how), |
b380b885 MD |
657 | "Sockets can be closed simply by using @code{close-port}. The\n" |
658 | "@code{shutdown} procedure allows reception or tranmission on a\n" | |
659 | "connection to be shut down individually, according to the parameter\n" | |
660 | "@var{how}:\n\n" | |
661 | "@table @asis\n" | |
662 | "@item 0\n" | |
663 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
664 | "@item 1\n" | |
665 | "Stop trying to transmit data from this socket. Discard any\n" | |
666 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
667 | "data already sent; don't retransmit it if it is lost.\n" | |
668 | "@item 2\n" | |
669 | "Stop both reception and transmission.\n" | |
670 | "@end table\n\n" | |
671 | "The return value is unspecified.") | |
1bbd0b84 | 672 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 673 | { |
370312ae | 674 | int fd; |
78446828 | 675 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
676 | SCM_VALIDATE_OPFPORT (1,sock); |
677 | SCM_VALIDATE_INUM (2,how); | |
1bbd0b84 | 678 | SCM_ASSERT_RANGE(2,how,0 <= SCM_INUM (how) && 2 >= SCM_INUM (how)); |
ee149d03 | 679 | fd = SCM_FPORT_FDES (sock); |
370312ae | 680 | if (shutdown (fd, SCM_INUM (how)) == -1) |
1bbd0b84 | 681 | SCM_SYSERROR; |
370312ae GH |
682 | return SCM_UNSPECIFIED; |
683 | } | |
1bbd0b84 | 684 | #undef FUNC_NAME |
0f2d19dd | 685 | |
370312ae GH |
686 | /* convert fam/address/args into a sockaddr of the appropriate type. |
687 | args is modified by removing the arguments actually used. | |
688 | which_arg and proc are used when reporting errors: | |
689 | which_arg is the position of address in the original argument list. | |
690 | proc is the name of the original procedure. | |
691 | size returns the size of the structure allocated. */ | |
692 | ||
370312ae | 693 | static struct sockaddr * |
439006bf GH |
694 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
695 | const char *proc, int *size) | |
3453619b | 696 | #define FUNC_NAME proc |
370312ae GH |
697 | { |
698 | switch (fam) | |
0f2d19dd | 699 | { |
370312ae GH |
700 | case AF_INET: |
701 | { | |
370312ae | 702 | struct sockaddr_in *soka; |
3453619b GH |
703 | unsigned long addr; |
704 | int port; | |
370312ae | 705 | |
3453619b GH |
706 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
707 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
708 | SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port); | |
709 | *args = SCM_CDR (*args); | |
439006bf GH |
710 | soka = (struct sockaddr_in *) malloc (sizeof (struct sockaddr_in)); |
711 | if (!soka) | |
712 | scm_memory_error (proc); | |
3453619b GH |
713 | /* 4.4BSD-style interface includes sin_len member and defines SIN_LEN, |
714 | 4.3BSD does not. */ | |
715 | #ifdef SIN_LEN | |
716 | soka->sin_len = sizeof (struct sockaddr_in); | |
717 | #endif | |
370312ae | 718 | soka->sin_family = AF_INET; |
3453619b GH |
719 | soka->sin_addr.s_addr = htonl (addr); |
720 | soka->sin_port = htons (port); | |
370312ae GH |
721 | *size = sizeof (struct sockaddr_in); |
722 | return (struct sockaddr *) soka; | |
723 | } | |
a57a0b1e | 724 | #ifdef HAVE_IPV6 |
3453619b GH |
725 | case AF_INET6: |
726 | { | |
727 | /* see RFC2553. */ | |
728 | int port; | |
729 | struct sockaddr_in6 *soka; | |
730 | unsigned long flowinfo = 0; | |
731 | unsigned long scope_id = 0; | |
732 | ||
66c73b76 | 733 | VALIDATE_INET6 (which_arg, address); |
3453619b GH |
734 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
735 | SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port); | |
736 | *args = SCM_CDR (*args); | |
737 | if (SCM_CONSP (*args)) | |
738 | { | |
739 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
740 | *args = SCM_CDR (*args); | |
741 | if (SCM_CONSP (*args)) | |
742 | { | |
743 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
744 | scope_id); | |
745 | *args = SCM_CDR (*args); | |
746 | } | |
747 | } | |
748 | soka = (struct sockaddr_in6 *) malloc (sizeof (struct sockaddr_in6)); | |
749 | if (!soka) | |
750 | scm_memory_error (proc); | |
751 | #ifdef SIN_LEN6 | |
752 | soka->sin6_len = sizeof (struct sockaddr_in6); | |
753 | #endif | |
754 | soka->sin6_family = AF_INET6; | |
66c73b76 | 755 | ipv6_num_to_net (address, soka->sin6_addr.s6_addr); |
5a525b84 | 756 | soka->sin6_port = htons (port); |
3453619b | 757 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 758 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 759 | soka->sin6_scope_id = scope_id; |
5a525b84 | 760 | #endif |
3453619b GH |
761 | *size = sizeof (struct sockaddr_in6); |
762 | return (struct sockaddr *) soka; | |
763 | } | |
764 | #endif | |
1ba8c23a | 765 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
766 | case AF_UNIX: |
767 | { | |
768 | struct sockaddr_un *soka; | |
439006bf | 769 | int addr_size; |
370312ae | 770 | |
a6d9e5ab | 771 | SCM_ASSERT (SCM_STRINGP (address), address, which_arg, proc); |
439006bf GH |
772 | /* the static buffer size in sockaddr_un seems to be arbitrary |
773 | and not necessarily a hard limit. e.g., the glibc manual | |
774 | suggests it may be possible to declare it size 0. let's | |
775 | ignore it. if the O/S doesn't like the size it will cause | |
776 | connect/bind etc., to fail. sun_path is always the last | |
777 | member of the structure. */ | |
778 | addr_size = sizeof (struct sockaddr_un) | |
779 | + max (0, SCM_STRING_LENGTH (address) + 1 - (sizeof soka->sun_path)); | |
780 | soka = (struct sockaddr_un *) malloc (addr_size); | |
781 | if (!soka) | |
782 | scm_memory_error (proc); | |
783 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ | |
784 | soka->sun_family = AF_UNIX; | |
34f0f2b8 | 785 | memcpy (soka->sun_path, SCM_STRING_CHARS (address), |
439006bf GH |
786 | SCM_STRING_LENGTH (address)); |
787 | *size = SUN_LEN (soka); | |
370312ae GH |
788 | return (struct sockaddr *) soka; |
789 | } | |
0e958795 | 790 | #endif |
370312ae GH |
791 | default: |
792 | scm_out_of_range (proc, SCM_MAKINUM (fam)); | |
0f2d19dd | 793 | } |
0f2d19dd | 794 | } |
3453619b | 795 | #undef FUNC_NAME |
370312ae | 796 | |
a1ec6916 | 797 | SCM_DEFINE (scm_connect, "connect", 3, 0, 1, |
1bbd0b84 | 798 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 799 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
800 | "family to the address\n" |
801 | "specified by @var{address} and possibly @var{args}.\n" | |
802 | "The format required for @var{address}\n" | |
803 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 804 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 805 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
806 | "filename where the socket is to be created.\n\n" |
807 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
808 | "@var{address} must be an integer IPv4 host address and\n" |
809 | "@var{args} must be a single integer port number.\n\n" | |
810 | "For a socket of family @code{AF_INET6},\n" | |
811 | "@var{address} must be an integer IPv6 host address and\n" | |
812 | "@var{args} may be up to three integers:\n" | |
813 | "port [flowinfo] [scope_id],\n" | |
814 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 815 | "The return value is unspecified.") |
1bbd0b84 | 816 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 817 | { |
370312ae GH |
818 | int fd; |
819 | struct sockaddr *soka; | |
439006bf | 820 | int size; |
0f2d19dd | 821 | |
78446828 | 822 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
823 | SCM_VALIDATE_OPFPORT (1,sock); |
824 | SCM_VALIDATE_INUM (2,fam); | |
ee149d03 | 825 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
826 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, |
827 | &size); | |
370312ae | 828 | if (connect (fd, soka, size) == -1) |
439006bf GH |
829 | { |
830 | int save_errno = errno; | |
831 | ||
832 | free (soka); | |
833 | errno = save_errno; | |
834 | SCM_SYSERROR; | |
835 | } | |
836 | free (soka); | |
370312ae | 837 | return SCM_UNSPECIFIED; |
0f2d19dd | 838 | } |
1bbd0b84 | 839 | #undef FUNC_NAME |
0f2d19dd | 840 | |
a1ec6916 | 841 | SCM_DEFINE (scm_bind, "bind", 3, 0, 1, |
1bbd0b84 | 842 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 843 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
844 | "Generally this only needs to be done for server sockets,\n" |
845 | "so they know where to look for incoming connections. A socket\n" | |
846 | "without an address will be assigned one automatically when it\n" | |
847 | "starts communicating.\n\n" | |
eefae538 GH |
848 | "The format of @var{address} and @var{args} depends\n" |
849 | "on the family of the socket.\n\n" | |
b380b885 | 850 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
851 | "is specified and must be a string with the filename where\n" |
852 | "the socket is to be created.\n\n" | |
853 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
854 | "must be an integer IPv4 address and @var{args}\n" | |
855 | "must be a single integer port number.\n\n" | |
856 | "The values of the following variables can also be used for\n" | |
857 | "@var{address}:\n\n" | |
b380b885 MD |
858 | "@defvar INADDR_ANY\n" |
859 | "Allow connections from any address.\n" | |
860 | "@end defvar\n\n" | |
861 | "@defvar INADDR_LOOPBACK\n" | |
862 | "The address of the local host using the loopback device.\n" | |
863 | "@end defvar\n\n" | |
864 | "@defvar INADDR_BROADCAST\n" | |
865 | "The broadcast address on the local network.\n" | |
866 | "@end defvar\n\n" | |
867 | "@defvar INADDR_NONE\n" | |
868 | "No address.\n" | |
869 | "@end defvar\n\n" | |
eefae538 GH |
870 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
871 | "must be an integer IPv6 address and @var{args}\n" | |
872 | "may be up to three integers:\n" | |
873 | "port [flowinfo] [scope_id],\n" | |
874 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 875 | "The return value is unspecified.") |
1bbd0b84 | 876 | #define FUNC_NAME s_scm_bind |
370312ae | 877 | { |
370312ae | 878 | struct sockaddr *soka; |
439006bf | 879 | int size; |
370312ae GH |
880 | int fd; |
881 | ||
78446828 | 882 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
883 | SCM_VALIDATE_OPFPORT (1, sock); |
884 | SCM_VALIDATE_INUM (2, fam); | |
885 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, | |
886 | &size); | |
ee149d03 | 887 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
888 | if (bind (fd, soka, size) == -1) |
889 | { | |
890 | int save_errno = errno; | |
891 | ||
892 | free (soka); | |
893 | errno = save_errno; | |
1bbd0b84 | 894 | SCM_SYSERROR; |
439006bf GH |
895 | } |
896 | free (soka); | |
370312ae GH |
897 | return SCM_UNSPECIFIED; |
898 | } | |
1bbd0b84 | 899 | #undef FUNC_NAME |
370312ae | 900 | |
a1ec6916 | 901 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 902 | (SCM sock, SCM backlog), |
eefae538 | 903 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
904 | "requests. @var{backlog} is an integer specifying\n" |
905 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
906 | "If the queue fills, new clients will fail to connect until\n" |
907 | "the server calls @code{accept} to accept a connection from\n" | |
908 | "the queue.\n\n" | |
b380b885 | 909 | "The return value is unspecified.") |
1bbd0b84 | 910 | #define FUNC_NAME s_scm_listen |
370312ae GH |
911 | { |
912 | int fd; | |
78446828 | 913 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
914 | SCM_VALIDATE_OPFPORT (1,sock); |
915 | SCM_VALIDATE_INUM (2,backlog); | |
ee149d03 | 916 | fd = SCM_FPORT_FDES (sock); |
370312ae | 917 | if (listen (fd, SCM_INUM (backlog)) == -1) |
1bbd0b84 | 918 | SCM_SYSERROR; |
370312ae GH |
919 | return SCM_UNSPECIFIED; |
920 | } | |
1bbd0b84 | 921 | #undef FUNC_NAME |
370312ae GH |
922 | |
923 | /* Put the components of a sockaddr into a new SCM vector. */ | |
370312ae | 924 | static SCM |
e1368a8d | 925 | scm_addr_vector (const struct sockaddr *address, const char *proc) |
0f2d19dd | 926 | { |
370312ae GH |
927 | short int fam = address->sa_family; |
928 | SCM result; | |
929 | SCM *ve; | |
439006bf | 930 | |
5a525b84 | 931 | switch (fam) |
0f2d19dd | 932 | { |
5a525b84 GH |
933 | case AF_INET: |
934 | { | |
e1368a8d | 935 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 936 | |
5a525b84 GH |
937 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
938 | ve = SCM_VELTS (result); | |
939 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
940 | ve[1] = scm_ulong2num (ntohl (nad->sin_addr.s_addr)); | |
941 | ve[2] = scm_ulong2num ((unsigned long) ntohs (nad->sin_port)); | |
942 | } | |
943 | break; | |
a57a0b1e | 944 | #ifdef HAVE_IPV6 |
5a525b84 GH |
945 | case AF_INET6: |
946 | { | |
e1368a8d | 947 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 GH |
948 | |
949 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); | |
950 | ve = SCM_VELTS (result); | |
951 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
66c73b76 | 952 | ve[1] = ipv6_net_to_num (nad->sin6_addr.s6_addr); |
5a525b84 GH |
953 | ve[2] = scm_ulong2num ((unsigned long) ntohs (nad->sin6_port)); |
954 | ve[3] = scm_ulong2num ((unsigned long) nad->sin6_flowinfo); | |
955 | #ifdef HAVE_SIN6_SCOPE_ID | |
956 | ve[4] = scm_ulong2num ((unsigned long) nad->sin6_scope_id); | |
957 | #else | |
958 | ve[4] = SCM_INUM0; | |
0e958795 | 959 | #endif |
5a525b84 GH |
960 | } |
961 | break; | |
962 | #endif | |
963 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
964 | case AF_UNIX: | |
965 | { | |
e1368a8d | 966 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 967 | |
5a525b84 GH |
968 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
969 | ve = SCM_VELTS (result); | |
970 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
36284627 | 971 | ve[1] = scm_mem2string (nad->sun_path, strlen (nad->sun_path)); |
5a525b84 GH |
972 | } |
973 | break; | |
974 | #endif | |
975 | default: | |
976 | scm_misc_error (proc, "Unrecognised address family: ~A", | |
1afff620 | 977 | scm_list_1 (SCM_MAKINUM (fam))); |
0f2d19dd | 978 | } |
370312ae GH |
979 | return result; |
980 | } | |
981 | ||
439006bf GH |
982 | /* calculate the size of a buffer large enough to hold any supported |
983 | sockaddr type. if the buffer isn't large enough, certain system | |
984 | calls will return a truncated address. */ | |
370312ae | 985 | |
439006bf GH |
986 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) |
987 | #define MAX_SIZE_UN sizeof (struct sockaddr_un) | |
0e958795 | 988 | #else |
439006bf | 989 | #define MAX_SIZE_UN 0 |
0e958795 | 990 | #endif |
439006bf | 991 | |
a57a0b1e | 992 | #if defined (HAVE_IPV6) |
5a525b84 GH |
993 | #define MAX_SIZE_IN6 sizeof (struct sockaddr_in6) |
994 | #else | |
995 | #define MAX_SIZE_IN6 0 | |
996 | #endif | |
997 | ||
998 | #define MAX_ADDR_SIZE max (max (sizeof (struct sockaddr_in), MAX_SIZE_IN6),\ | |
999 | MAX_SIZE_UN) | |
0f2d19dd | 1000 | |
a1ec6916 | 1001 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 1002 | (SCM sock), |
eefae538 GH |
1003 | "Accept a connection on a bound, listening socket.\n" |
1004 | "If there\n" | |
1005 | "are no pending connections in the queue, wait until\n" | |
1006 | "one is available unless the non-blocking option has been\n" | |
1007 | "set on the socket.\n\n" | |
b380b885 | 1008 | "The return value is a\n" |
eefae538 GH |
1009 | "pair in which the @emph{car} is a new socket port for the\n" |
1010 | "connection and\n" | |
1011 | "the @emph{cdr} is an object with address information about the\n" | |
1012 | "client which initiated the connection.\n\n" | |
1013 | "@var{sock} does not become part of the\n" | |
b380b885 | 1014 | "connection and will continue to accept new requests.") |
1bbd0b84 | 1015 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 1016 | { |
370312ae GH |
1017 | int fd; |
1018 | int newfd; | |
1019 | SCM address; | |
1020 | SCM newsock; | |
439006bf GH |
1021 | int addr_size = MAX_ADDR_SIZE; |
1022 | char max_addr[MAX_ADDR_SIZE]; | |
1023 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1024 | |
78446828 | 1025 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1026 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1027 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
1028 | newfd = accept (fd, addr, &addr_size); |
1029 | if (newfd == -1) | |
1030 | SCM_SYSERROR; | |
1031 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
eefae538 | 1032 | address = scm_addr_vector (addr, FUNC_NAME); |
370312ae | 1033 | return scm_cons (newsock, address); |
0f2d19dd | 1034 | } |
1bbd0b84 | 1035 | #undef FUNC_NAME |
0f2d19dd | 1036 | |
a1ec6916 | 1037 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1038 | (SCM sock), |
eefae538 | 1039 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1040 | "object returned by @code{accept}. On many systems the address\n" |
1041 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1042 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1043 | { |
370312ae | 1044 | int fd; |
439006bf GH |
1045 | int addr_size = MAX_ADDR_SIZE; |
1046 | char max_addr[MAX_ADDR_SIZE]; | |
1047 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1048 | ||
78446828 | 1049 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1050 | SCM_VALIDATE_OPFPORT (1,sock); |
ee149d03 | 1051 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1052 | if (getsockname (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1053 | SCM_SYSERROR; |
eefae538 | 1054 | return scm_addr_vector (addr, FUNC_NAME); |
0f2d19dd | 1055 | } |
1bbd0b84 | 1056 | #undef FUNC_NAME |
0f2d19dd | 1057 | |
a1ec6916 | 1058 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1059 | (SCM sock), |
eefae538 | 1060 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1061 | "is connected to, in the same form as the object returned by\n" |
1062 | "@code{accept}. On many systems the address of a socket in the\n" | |
1063 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1064 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1065 | { |
370312ae | 1066 | int fd; |
439006bf GH |
1067 | int addr_size = MAX_ADDR_SIZE; |
1068 | char max_addr[MAX_ADDR_SIZE]; | |
1069 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1070 | ||
78446828 | 1071 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1072 | SCM_VALIDATE_OPFPORT (1,sock); |
ee149d03 | 1073 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1074 | if (getpeername (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1075 | SCM_SYSERROR; |
eefae538 | 1076 | return scm_addr_vector (addr, FUNC_NAME); |
0f2d19dd | 1077 | } |
1bbd0b84 | 1078 | #undef FUNC_NAME |
0f2d19dd | 1079 | |
a1ec6916 | 1080 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1081 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1082 | "Receive data from a socket port.\n" |
1083 | "@var{sock} must already\n" | |
b380b885 MD |
1084 | "be bound to the address from which data is to be received.\n" |
1085 | "@var{buf} is a string into which\n" | |
eefae538 GH |
1086 | "the data will be written. The size of @var{buf} limits\n" |
1087 | "the amount of\n" | |
b380b885 | 1088 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1089 | "protocols, if a packet larger than this limit is encountered\n" |
1090 | "then some data\n" | |
b380b885 MD |
1091 | "will be irrevocably lost.\n\n" |
1092 | "The optional @var{flags} argument is a value or\n" | |
1093 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1094 | "The value returned is the number of bytes read from the\n" |
1095 | "socket.\n\n" | |
1096 | "Note that the data is read directly from the socket file\n" | |
1097 | "descriptor:\n" | |
09831f94 | 1098 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1099 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1100 | { |
370312ae GH |
1101 | int rv; |
1102 | int fd; | |
1103 | int flg; | |
370312ae | 1104 | |
3b3b36dd GB |
1105 | SCM_VALIDATE_OPFPORT (1,sock); |
1106 | SCM_VALIDATE_STRING (2,buf); | |
1107 | SCM_VALIDATE_INUM_DEF_COPY (3,flags,0,flg); | |
ee149d03 | 1108 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1109 | |
bfa974f0 | 1110 | SCM_SYSCALL (rv = recv (fd, SCM_STRING_CHARS (buf), SCM_STRING_LENGTH (buf), flg)); |
370312ae | 1111 | if (rv == -1) |
1bbd0b84 | 1112 | SCM_SYSERROR; |
370312ae | 1113 | |
1146b6cd | 1114 | return SCM_MAKINUM (rv); |
370312ae | 1115 | } |
1bbd0b84 | 1116 | #undef FUNC_NAME |
370312ae | 1117 | |
a1ec6916 | 1118 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1119 | (SCM sock, SCM message, SCM flags), |
eefae538 GH |
1120 | "Transmit the string @var{message} on a socket port @var{sock}.\n" |
1121 | "@var{sock} must already be bound to a destination address. The\n" | |
1122 | "value returned is the number of bytes transmitted --\n" | |
1123 | "it's possible for\n" | |
1124 | "this to be less than the length of @var{message}\n" | |
1125 | "if the socket is\n" | |
1126 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1127 | "is a value or\n" | |
b380b885 | 1128 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1129 | "Note that the data is written directly to the socket\n" |
1130 | "file descriptor:\n" | |
b380b885 | 1131 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1132 | #define FUNC_NAME s_scm_send |
370312ae GH |
1133 | { |
1134 | int rv; | |
1135 | int fd; | |
1136 | int flg; | |
1137 | ||
78446828 | 1138 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1139 | SCM_VALIDATE_OPFPORT (1,sock); |
a6d9e5ab | 1140 | SCM_VALIDATE_STRING (2, message); |
3b3b36dd | 1141 | SCM_VALIDATE_INUM_DEF_COPY (3,flags,0,flg); |
ee149d03 | 1142 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1143 | |
34f0f2b8 | 1144 | SCM_SYSCALL (rv = send (fd, SCM_STRING_CHARS (message), SCM_STRING_LENGTH (message), flg)); |
370312ae | 1145 | if (rv == -1) |
1bbd0b84 | 1146 | SCM_SYSERROR; |
370312ae GH |
1147 | return SCM_MAKINUM (rv); |
1148 | } | |
1bbd0b84 | 1149 | #undef FUNC_NAME |
370312ae | 1150 | |
a1ec6916 | 1151 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
60d02d09 | 1152 | (SCM sock, SCM str, SCM flags, SCM start, SCM end), |
eefae538 | 1153 | "Return data from the socket port @var{sock} and also\n" |
1e6808ea | 1154 | "information about where the data was received from.\n" |
eefae538 | 1155 | "@var{sock} must already be bound to the address from which\n" |
1e6808ea MG |
1156 | "data is to be received. @code{str}, is a string into which the\n" |
1157 | "data will be written. The size of @var{str} limits the amount\n" | |
1158 | "of data which can be received: in the case of packet protocols,\n" | |
1159 | "if a packet larger than this limit is encountered then some\n" | |
eefae538 | 1160 | "data will be irrevocably lost.\n\n" |
1e6808ea | 1161 | "The optional @var{flags} argument is a value or bitwise OR of\n" |
eefae538 | 1162 | "@code{MSG_OOB}, @code{MSG_PEEK}, @code{MSG_DONTROUTE} etc.\n\n" |
1e6808ea MG |
1163 | "The value returned is a pair: the @emph{car} is the number of\n" |
1164 | "bytes read from the socket and the @emph{cdr} an address object\n" | |
eefae538 GH |
1165 | "in the same form as returned by @code{accept}. The address\n" |
1166 | "will given as @code{#f} if not available, as is usually the\n" | |
1167 | "case for stream sockets.\n\n" | |
1e6808ea | 1168 | "The @var{start} and @var{end} arguments specify a substring of\n" |
eefae538 | 1169 | "@var{str} to which the data should be written.\n\n" |
1e6808ea MG |
1170 | "Note that the data is read directly from the socket file\n" |
1171 | "descriptor: any unread buffered port data is ignored.") | |
1bbd0b84 | 1172 | #define FUNC_NAME s_scm_recvfrom |
370312ae GH |
1173 | { |
1174 | int rv; | |
1175 | int fd; | |
1176 | int flg; | |
60d02d09 GH |
1177 | char *buf; |
1178 | int offset; | |
1146b6cd | 1179 | int cend; |
370312ae | 1180 | SCM address; |
439006bf GH |
1181 | int addr_size = MAX_ADDR_SIZE; |
1182 | char max_addr[MAX_ADDR_SIZE]; | |
1183 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1184 | |
3b3b36dd | 1185 | SCM_VALIDATE_OPFPORT (1,sock); |
60d02d09 GH |
1186 | fd = SCM_FPORT_FDES (sock); |
1187 | SCM_VALIDATE_SUBSTRING_SPEC_COPY (2, str, buf, 4, start, offset, | |
1188 | 5, end, cend); | |
1146b6cd GH |
1189 | if (SCM_UNBNDP (flags)) |
1190 | flg = 0; | |
370312ae | 1191 | else |
60d02d09 | 1192 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1193 | |
97d0e20b GH |
1194 | /* recvfrom will not necessarily return an address. usually nothing |
1195 | is returned for stream sockets. */ | |
439006bf | 1196 | addr->sa_family = AF_UNSPEC; |
60d02d09 | 1197 | SCM_SYSCALL (rv = recvfrom (fd, buf + offset, |
1146b6cd | 1198 | cend - offset, flg, |
439006bf | 1199 | addr, &addr_size)); |
370312ae | 1200 | if (rv == -1) |
1bbd0b84 | 1201 | SCM_SYSERROR; |
eefae538 | 1202 | if (addr->sa_family != AF_UNSPEC) |
439006bf | 1203 | address = scm_addr_vector (addr, FUNC_NAME); |
370312ae GH |
1204 | else |
1205 | address = SCM_BOOL_F; | |
1206 | ||
1146b6cd | 1207 | return scm_cons (SCM_MAKINUM (rv), address); |
0f2d19dd | 1208 | } |
1bbd0b84 | 1209 | #undef FUNC_NAME |
0f2d19dd | 1210 | |
a1ec6916 | 1211 | SCM_DEFINE (scm_sendto, "sendto", 4, 0, 1, |
1bbd0b84 | 1212 | (SCM sock, SCM message, SCM fam, SCM address, SCM args_and_flags), |
eefae538 GH |
1213 | "Transmit the string @var{message} on the socket port\n" |
1214 | "@var{sock}. The\n" | |
1215 | "destination address is specified using the @var{fam},\n" | |
1216 | "@var{address} and\n" | |
1217 | "@var{args_and_flags} arguments, in a similar way to the\n" | |
1218 | "@code{connect} procedure. @var{args_and_flags} contains\n" | |
1219 | "the usual connection arguments optionally followed by\n" | |
1220 | "a flags argument, which is a value or\n" | |
b380b885 | 1221 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1222 | "The value returned is the number of bytes transmitted --\n" |
1223 | "it's possible for\n" | |
1224 | "this to be less than the length of @var{message} if the\n" | |
1225 | "socket is\n" | |
1226 | "set to be non-blocking.\n" | |
1227 | "Note that the data is written directly to the socket\n" | |
1228 | "file descriptor:\n" | |
b380b885 | 1229 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1230 | #define FUNC_NAME s_scm_sendto |
370312ae GH |
1231 | { |
1232 | int rv; | |
1233 | int fd; | |
1234 | int flg; | |
1235 | struct sockaddr *soka; | |
439006bf | 1236 | int size; |
370312ae | 1237 | |
78446828 | 1238 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1239 | SCM_VALIDATE_FPORT (1,sock); |
a6d9e5ab | 1240 | SCM_VALIDATE_STRING (2, message); |
3b3b36dd | 1241 | SCM_VALIDATE_INUM (3,fam); |
ee149d03 | 1242 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1243 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args_and_flags, 4, |
1bbd0b84 | 1244 | FUNC_NAME, &size); |
370312ae GH |
1245 | if (SCM_NULLP (args_and_flags)) |
1246 | flg = 0; | |
1247 | else | |
1248 | { | |
3b3b36dd | 1249 | SCM_VALIDATE_CONS (5,args_and_flags); |
e4b265d8 | 1250 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1251 | } |
439006bf GH |
1252 | SCM_SYSCALL (rv = sendto (fd, SCM_STRING_CHARS (message), |
1253 | SCM_STRING_LENGTH (message), | |
ae2fa5bc | 1254 | flg, soka, size)); |
370312ae | 1255 | if (rv == -1) |
439006bf GH |
1256 | { |
1257 | int save_errno = errno; | |
1258 | free (soka); | |
1259 | errno = save_errno; | |
1260 | SCM_SYSERROR; | |
1261 | } | |
1262 | free (soka); | |
370312ae GH |
1263 | return SCM_MAKINUM (rv); |
1264 | } | |
1bbd0b84 | 1265 | #undef FUNC_NAME |
370312ae GH |
1266 | \f |
1267 | ||
1268 | ||
1269 | void | |
0f2d19dd | 1270 | scm_init_socket () |
0f2d19dd | 1271 | { |
370312ae GH |
1272 | /* protocol families. */ |
1273 | #ifdef AF_UNSPEC | |
86d31dfe | 1274 | scm_c_define ("AF_UNSPEC", SCM_MAKINUM (AF_UNSPEC)); |
370312ae GH |
1275 | #endif |
1276 | #ifdef AF_UNIX | |
86d31dfe | 1277 | scm_c_define ("AF_UNIX", SCM_MAKINUM (AF_UNIX)); |
370312ae GH |
1278 | #endif |
1279 | #ifdef AF_INET | |
86d31dfe | 1280 | scm_c_define ("AF_INET", SCM_MAKINUM (AF_INET)); |
370312ae | 1281 | #endif |
3453619b | 1282 | #ifdef AF_INET6 |
86d31dfe | 1283 | scm_c_define ("AF_INET6", SCM_MAKINUM (AF_INET6)); |
3453619b | 1284 | #endif |
370312ae GH |
1285 | |
1286 | #ifdef PF_UNSPEC | |
86d31dfe | 1287 | scm_c_define ("PF_UNSPEC", SCM_MAKINUM (PF_UNSPEC)); |
370312ae GH |
1288 | #endif |
1289 | #ifdef PF_UNIX | |
86d31dfe | 1290 | scm_c_define ("PF_UNIX", SCM_MAKINUM (PF_UNIX)); |
370312ae GH |
1291 | #endif |
1292 | #ifdef PF_INET | |
86d31dfe | 1293 | scm_c_define ("PF_INET", SCM_MAKINUM (PF_INET)); |
370312ae | 1294 | #endif |
3453619b | 1295 | #ifdef PF_INET6 |
86d31dfe | 1296 | scm_c_define ("PF_INET6", SCM_MAKINUM (PF_INET6)); |
3453619b | 1297 | #endif |
370312ae | 1298 | |
66c73b76 GH |
1299 | /* standard addresses. */ |
1300 | #ifdef INADDR_ANY | |
86d31dfe | 1301 | scm_c_define ("INADDR_ANY", scm_ulong2num (INADDR_ANY)); |
66c73b76 GH |
1302 | #endif |
1303 | #ifdef INADDR_BROADCAST | |
86d31dfe | 1304 | scm_c_define ("INADDR_BROADCAST", scm_ulong2num (INADDR_BROADCAST)); |
66c73b76 GH |
1305 | #endif |
1306 | #ifdef INADDR_NONE | |
86d31dfe | 1307 | scm_c_define ("INADDR_NONE", scm_ulong2num (INADDR_NONE)); |
66c73b76 GH |
1308 | #endif |
1309 | #ifdef INADDR_LOOPBACK | |
86d31dfe | 1310 | scm_c_define ("INADDR_LOOPBACK", scm_ulong2num (INADDR_LOOPBACK)); |
66c73b76 GH |
1311 | #endif |
1312 | ||
370312ae GH |
1313 | /* socket types. */ |
1314 | #ifdef SOCK_STREAM | |
86d31dfe | 1315 | scm_c_define ("SOCK_STREAM", SCM_MAKINUM (SOCK_STREAM)); |
370312ae GH |
1316 | #endif |
1317 | #ifdef SOCK_DGRAM | |
86d31dfe | 1318 | scm_c_define ("SOCK_DGRAM", SCM_MAKINUM (SOCK_DGRAM)); |
370312ae GH |
1319 | #endif |
1320 | #ifdef SOCK_RAW | |
86d31dfe | 1321 | scm_c_define ("SOCK_RAW", SCM_MAKINUM (SOCK_RAW)); |
370312ae GH |
1322 | #endif |
1323 | ||
1324 | /* setsockopt level. */ | |
1325 | #ifdef SOL_SOCKET | |
86d31dfe | 1326 | scm_c_define ("SOL_SOCKET", SCM_MAKINUM (SOL_SOCKET)); |
370312ae GH |
1327 | #endif |
1328 | #ifdef SOL_IP | |
86d31dfe | 1329 | scm_c_define ("SOL_IP", SCM_MAKINUM (SOL_IP)); |
370312ae GH |
1330 | #endif |
1331 | #ifdef SOL_TCP | |
86d31dfe | 1332 | scm_c_define ("SOL_TCP", SCM_MAKINUM (SOL_TCP)); |
370312ae GH |
1333 | #endif |
1334 | #ifdef SOL_UDP | |
86d31dfe | 1335 | scm_c_define ("SOL_UDP", SCM_MAKINUM (SOL_UDP)); |
370312ae GH |
1336 | #endif |
1337 | ||
1338 | /* setsockopt names. */ | |
1339 | #ifdef SO_DEBUG | |
86d31dfe | 1340 | scm_c_define ("SO_DEBUG", SCM_MAKINUM (SO_DEBUG)); |
370312ae GH |
1341 | #endif |
1342 | #ifdef SO_REUSEADDR | |
86d31dfe | 1343 | scm_c_define ("SO_REUSEADDR", SCM_MAKINUM (SO_REUSEADDR)); |
370312ae GH |
1344 | #endif |
1345 | #ifdef SO_STYLE | |
86d31dfe | 1346 | scm_c_define ("SO_STYLE", SCM_MAKINUM (SO_STYLE)); |
370312ae GH |
1347 | #endif |
1348 | #ifdef SO_TYPE | |
86d31dfe | 1349 | scm_c_define ("SO_TYPE", SCM_MAKINUM (SO_TYPE)); |
370312ae GH |
1350 | #endif |
1351 | #ifdef SO_ERROR | |
86d31dfe | 1352 | scm_c_define ("SO_ERROR", SCM_MAKINUM (SO_ERROR)); |
370312ae GH |
1353 | #endif |
1354 | #ifdef SO_DONTROUTE | |
86d31dfe | 1355 | scm_c_define ("SO_DONTROUTE", SCM_MAKINUM (SO_DONTROUTE)); |
370312ae GH |
1356 | #endif |
1357 | #ifdef SO_BROADCAST | |
86d31dfe | 1358 | scm_c_define ("SO_BROADCAST", SCM_MAKINUM (SO_BROADCAST)); |
370312ae GH |
1359 | #endif |
1360 | #ifdef SO_SNDBUF | |
86d31dfe | 1361 | scm_c_define ("SO_SNDBUF", SCM_MAKINUM (SO_SNDBUF)); |
370312ae GH |
1362 | #endif |
1363 | #ifdef SO_RCVBUF | |
86d31dfe | 1364 | scm_c_define ("SO_RCVBUF", SCM_MAKINUM (SO_RCVBUF)); |
370312ae GH |
1365 | #endif |
1366 | #ifdef SO_KEEPALIVE | |
86d31dfe | 1367 | scm_c_define ("SO_KEEPALIVE", SCM_MAKINUM (SO_KEEPALIVE)); |
370312ae GH |
1368 | #endif |
1369 | #ifdef SO_OOBINLINE | |
86d31dfe | 1370 | scm_c_define ("SO_OOBINLINE", SCM_MAKINUM (SO_OOBINLINE)); |
370312ae GH |
1371 | #endif |
1372 | #ifdef SO_NO_CHECK | |
86d31dfe | 1373 | scm_c_define ("SO_NO_CHECK", SCM_MAKINUM (SO_NO_CHECK)); |
370312ae GH |
1374 | #endif |
1375 | #ifdef SO_PRIORITY | |
86d31dfe | 1376 | scm_c_define ("SO_PRIORITY", SCM_MAKINUM (SO_PRIORITY)); |
370312ae GH |
1377 | #endif |
1378 | #ifdef SO_LINGER | |
86d31dfe | 1379 | scm_c_define ("SO_LINGER", SCM_MAKINUM (SO_LINGER)); |
370312ae GH |
1380 | #endif |
1381 | ||
1382 | /* recv/send options. */ | |
1383 | #ifdef MSG_OOB | |
86d31dfe | 1384 | scm_c_define ("MSG_OOB", SCM_MAKINUM (MSG_OOB)); |
370312ae GH |
1385 | #endif |
1386 | #ifdef MSG_PEEK | |
86d31dfe | 1387 | scm_c_define ("MSG_PEEK", SCM_MAKINUM (MSG_PEEK)); |
370312ae GH |
1388 | #endif |
1389 | #ifdef MSG_DONTROUTE | |
86d31dfe | 1390 | scm_c_define ("MSG_DONTROUTE", SCM_MAKINUM (MSG_DONTROUTE)); |
370312ae GH |
1391 | #endif |
1392 | ||
b4e15479 SJ |
1393 | #ifdef __MINGW32__ |
1394 | scm_i_init_socket_Win32 (); | |
1395 | #endif | |
1396 | ||
0f2d19dd | 1397 | scm_add_feature ("socket"); |
370312ae | 1398 | |
a0599745 | 1399 | #include "libguile/socket.x" |
0f2d19dd JB |
1400 | } |
1401 | ||
89e00824 ML |
1402 | |
1403 | /* | |
1404 | Local Variables: | |
1405 | c-file-style: "gnu" | |
1406 | End: | |
1407 | */ |