Commit | Line | Data |
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370312ae | 1 | /* "net_db.c" network database support |
2eca09c5 | 2 | * Copyright (C) 1995-2000 Free Software Foundation, Inc. |
370312ae GH |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2, or (at your option) | |
7 | * any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
16 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
17 | * Boston, MA 02111-1307 USA | |
370312ae GH |
18 | * |
19 | * As a special exception, the Free Software Foundation gives permission | |
20 | * for additional uses of the text contained in its release of GUILE. | |
21 | * | |
22 | * The exception is that, if you link the GUILE library with other files | |
23 | * to produce an executable, this does not by itself cause the | |
24 | * resulting executable to be covered by the GNU General Public License. | |
25 | * Your use of that executable is in no way restricted on account of | |
26 | * linking the GUILE library code into it. | |
27 | * | |
28 | * This exception does not however invalidate any other reasons why | |
29 | * the executable file might be covered by the GNU General Public License. | |
30 | * | |
31 | * This exception applies only to the code released by the | |
32 | * Free Software Foundation under the name GUILE. If you copy | |
33 | * code from other Free Software Foundation releases into a copy of | |
34 | * GUILE, as the General Public License permits, the exception does | |
35 | * not apply to the code that you add in this way. To avoid misleading | |
36 | * anyone as to the status of such modified files, you must delete | |
37 | * this exception notice from them. | |
38 | * | |
39 | * If you write modifications of your own for GUILE, it is your choice | |
40 | * whether to permit this exception to apply to your modifications. | |
82892bed | 41 | * If you do not wish that, delete this exception notice. */ |
370312ae | 42 | |
1bbd0b84 GB |
43 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, |
44 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
45 | ||
46 | ||
370312ae GH |
47 | /* Written in 1994 by Aubrey Jaffer. |
48 | * Thanks to Hallvard.Tretteberg@si.sintef.no for inspiration and discussion. | |
49 | * Rewritten by Gary Houston to be a closer interface to the C socket library. | |
50 | * Split into net_db.c and socket.c. | |
51 | */ | |
52 | \f | |
53 | ||
54 | #include <stdio.h> | |
55 | #include "_scm.h" | |
56 | #include "feature.h" | |
57 | ||
1bbd0b84 | 58 | #include "scm_validate.h" |
370312ae GH |
59 | #include "net_db.h" |
60 | ||
61 | #ifdef HAVE_STRING_H | |
62 | #include <string.h> | |
63 | #endif | |
64 | ||
65 | #include <sys/types.h> | |
cae76441 | 66 | #include <sys/socket.h> |
370312ae GH |
67 | #include <netdb.h> |
68 | #include <netinet/in.h> | |
69 | #include <arpa/inet.h> | |
70 | ||
e6393a4a JB |
71 | /* Some systems do not declare this. Some systems do declare it, as a |
72 | macro. */ | |
73 | #ifndef h_errno | |
7a98cdb9 | 74 | extern int h_errno; |
e6393a4a | 75 | #endif |
7a98cdb9 | 76 | |
370312ae GH |
77 | \f |
78 | ||
79 | #ifndef STDC_HEADERS | |
80 | int close (); | |
81 | #endif /* STDC_HEADERS */ | |
82 | ||
83 | extern int inet_aton (); | |
84 | ||
a1ec6916 | 85 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, |
1bbd0b84 | 86 | (SCM address), |
4079f87e GB |
87 | "Converts a string containing an Internet host address in the traditional |
88 | dotted decimal notation into an integer. | |
89 | ||
90 | @smalllisp | |
91 | (inet-aton "127.0.0.1") @result{} 2130706433 | |
92 | ||
93 | @end smalllisp") | |
1bbd0b84 | 94 | #define FUNC_NAME s_scm_inet_aton |
370312ae GH |
95 | { |
96 | struct in_addr soka; | |
97 | ||
3b3b36dd | 98 | SCM_VALIDATE_ROSTRING (1,address); |
370312ae GH |
99 | if (SCM_SUBSTRP (address)) |
100 | address = scm_makfromstr (SCM_ROCHARS (address), SCM_ROLENGTH (address), 0); | |
101 | if (inet_aton (SCM_ROCHARS (address), &soka) == 0) | |
1bbd0b84 | 102 | SCM_MISC_ERROR ("bad address", SCM_EOL); |
370312ae GH |
103 | return scm_ulong2num (ntohl (soka.s_addr)); |
104 | } | |
1bbd0b84 | 105 | #undef FUNC_NAME |
370312ae GH |
106 | |
107 | ||
a1ec6916 | 108 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, |
1bbd0b84 | 109 | (SCM inetid), |
4079f87e GB |
110 | "Converts an integer Internet host address into a string with the |
111 | traditional dotted decimal representation. | |
112 | ||
113 | @smalllisp | |
114 | (inet-ntoa 2130706433) @result{} "127.0.0.1" | |
115 | @end smalllisp") | |
1bbd0b84 | 116 | #define FUNC_NAME s_scm_inet_ntoa |
370312ae GH |
117 | { |
118 | struct in_addr addr; | |
119 | char *s; | |
120 | SCM answer; | |
1bbd0b84 | 121 | addr.s_addr = htonl (SCM_NUM2ULONG (1,inetid)); |
370312ae GH |
122 | s = inet_ntoa (addr); |
123 | answer = scm_makfromstr (s, strlen (s), 0); | |
370312ae GH |
124 | return answer; |
125 | } | |
1bbd0b84 | 126 | #undef FUNC_NAME |
370312ae | 127 | |
0e958795 | 128 | #ifdef HAVE_INET_NETOF |
a1ec6916 | 129 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, |
1bbd0b84 | 130 | (SCM address), |
4079f87e GB |
131 | "Returns the network number part of the given integer Internet address. |
132 | ||
133 | @smalllisp | |
134 | (inet-netof 2130706433) @result{} 127 | |
135 | @end smalllisp") | |
1bbd0b84 | 136 | #define FUNC_NAME s_scm_inet_netof |
370312ae GH |
137 | { |
138 | struct in_addr addr; | |
1bbd0b84 | 139 | addr.s_addr = htonl (SCM_NUM2ULONG (1,address)); |
370312ae GH |
140 | return scm_ulong2num ((unsigned long) inet_netof (addr)); |
141 | } | |
1bbd0b84 | 142 | #undef FUNC_NAME |
0e958795 | 143 | #endif |
370312ae | 144 | |
0e958795 | 145 | #ifdef HAVE_INET_LNAOF |
a1ec6916 | 146 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, |
1bbd0b84 | 147 | (SCM address), |
4079f87e GB |
148 | "Returns the local-address-with-network part of the given Internet |
149 | address. | |
150 | ||
151 | @smalllisp | |
152 | (inet-lnaof 2130706433) @result{} 1 | |
153 | @end smalllisp") | |
1bbd0b84 | 154 | #define FUNC_NAME s_scm_lnaof |
370312ae GH |
155 | { |
156 | struct in_addr addr; | |
1bbd0b84 | 157 | addr.s_addr = htonl (SCM_NUM2ULONG (1,address)); |
370312ae GH |
158 | return scm_ulong2num ((unsigned long) inet_lnaof (addr)); |
159 | } | |
1bbd0b84 | 160 | #undef FUNC_NAME |
0e958795 | 161 | #endif |
370312ae | 162 | |
0e958795 | 163 | #ifdef HAVE_INET_MAKEADDR |
a1ec6916 | 164 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, |
1bbd0b84 | 165 | (SCM net, SCM lna), |
4079f87e GB |
166 | "Makes an Internet host address by combining the network number @var{net} |
167 | with the local-address-within-network number @var{lna}. | |
168 | ||
169 | @smalllisp | |
170 | (inet-makeaddr 127 1) @result{} 2130706433 | |
171 | @end smalllisp") | |
1bbd0b84 | 172 | #define FUNC_NAME s_scm_inet_makeaddr |
370312ae GH |
173 | { |
174 | struct in_addr addr; | |
175 | unsigned long netnum; | |
176 | unsigned long lnanum; | |
177 | ||
2eca09c5 | 178 | #if 0 /* GJB:FIXME:: */ |
3b3b36dd GB |
179 | SCM_VALIDATE_INUM_COPY (1,net,netnum); |
180 | SCM_VALIDATE_INUM_COPY (2,lna,lnanum); | |
2cf37714 GB |
181 | #else |
182 | netnum = SCM_NUM2ULONG (1, net); | |
183 | lnanum = SCM_NUM2ULONG (2, lna); | |
184 | #endif | |
370312ae GH |
185 | addr = inet_makeaddr (netnum, lnanum); |
186 | return scm_ulong2num (ntohl (addr.s_addr)); | |
187 | } | |
1bbd0b84 | 188 | #undef FUNC_NAME |
0e958795 | 189 | #endif |
370312ae | 190 | |
5c11cc9d GH |
191 | SCM_SYMBOL (scm_host_not_found_key, "host-not-found"); |
192 | SCM_SYMBOL (scm_try_again_key, "try-again"); | |
193 | SCM_SYMBOL (scm_no_recovery_key, "no-recovery"); | |
194 | SCM_SYMBOL (scm_no_data_key, "no-data"); | |
370312ae | 195 | |
5c11cc9d GH |
196 | static void scm_resolv_error (const char *subr, SCM bad_value) |
197 | { | |
198 | if (h_errno == NETDB_INTERNAL) | |
199 | { | |
200 | /* errno supposedly contains a useful value. */ | |
201 | scm_syserror (subr); | |
202 | } | |
203 | else | |
204 | { | |
205 | SCM key; | |
206 | const char *errmsg; | |
207 | ||
208 | switch (h_errno) | |
209 | { | |
210 | case HOST_NOT_FOUND: | |
211 | key = scm_host_not_found_key; | |
212 | errmsg = "Unknown host"; | |
213 | break; | |
214 | case TRY_AGAIN: | |
215 | key = scm_try_again_key; | |
216 | errmsg = "Host name lookup failure"; | |
217 | break; | |
218 | case NO_RECOVERY: | |
219 | key = scm_no_recovery_key; | |
220 | errmsg = "Unknown server error"; | |
221 | break; | |
222 | case NO_DATA: | |
223 | key = scm_no_data_key; | |
224 | errmsg = "No address associated with name"; | |
225 | break; | |
226 | default: | |
227 | scm_misc_error (subr, "Unknown resolver error", SCM_EOL); | |
228 | errmsg = NULL; | |
229 | } | |
230 | ||
231 | #ifdef HAVE_HSTRERROR | |
232 | errmsg = hstrerror (h_errno); | |
233 | #endif | |
234 | scm_error (key, subr, errmsg, scm_cons (bad_value, SCM_EOL), SCM_EOL); | |
235 | } | |
236 | } | |
237 | ||
238 | /* Should take an extra arg for address format (will be needed for IPv6). | |
239 | Should use reentrant facilities if available. | |
370312ae GH |
240 | */ |
241 | ||
a1ec6916 | 242 | SCM_DEFINE (scm_gethost, "gethost", 0, 1, 0, |
1bbd0b84 | 243 | (SCM name), |
4079f87e GB |
244 | "@deffnx procedure gethostbyname hostname |
245 | @deffnx procedure gethostbyaddr address | |
246 | Look up a host by name or address, returning a host object. The | |
247 | @code{gethost} procedure will accept either a string name or an integer | |
248 | address; if given no arguments, it behaves like @code{gethostent} (see | |
249 | below). If a name or address is supplied but the address can not be | |
250 | found, an error will be thrown to one of the keys: | |
251 | @code{host-not-found}, @code{try-again}, @code{no-recovery} or | |
252 | @code{no-data}, corresponding to the equivalent @code{h_error} values. | |
253 | Unusual conditions may result in errors thrown to the | |
254 | @code{system-error} or @code{misc_error} keys.") | |
1bbd0b84 | 255 | #define FUNC_NAME s_scm_gethost |
370312ae | 256 | { |
a8741caa | 257 | SCM ans = scm_make_vector (SCM_MAKINUM (5), SCM_UNSPECIFIED); |
370312ae GH |
258 | SCM *ve = SCM_VELTS (ans); |
259 | SCM lst = SCM_EOL; | |
260 | struct hostent *entry; | |
261 | struct in_addr inad; | |
262 | char **argv; | |
263 | int i = 0; | |
370312ae GH |
264 | if (SCM_UNBNDP (name)) |
265 | { | |
cd34a384 | 266 | #ifdef HAVE_GETHOSTENT |
370312ae | 267 | entry = gethostent (); |
cd34a384 JB |
268 | #else |
269 | entry = NULL; | |
270 | #endif | |
07513939 JB |
271 | if (! entry) |
272 | { | |
273 | /* As far as I can tell, there's no good way to tell whether | |
274 | zero means an error or end-of-file. The trick of | |
275 | clearing errno before calling gethostent and checking it | |
276 | afterwards doesn't cut it, because, on Linux, it seems to | |
277 | try to contact some other server (YP?) and fails, which | |
278 | is a benign failure. */ | |
07513939 JB |
279 | return SCM_BOOL_F; |
280 | } | |
370312ae | 281 | } |
0c95b57d | 282 | else if (SCM_ROSTRINGP (name)) |
370312ae | 283 | { |
89958ad0 | 284 | SCM_COERCE_SUBSTR (name); |
ae2fa5bc | 285 | entry = gethostbyname (SCM_ROCHARS (name)); |
370312ae GH |
286 | } |
287 | else | |
288 | { | |
426b4cde | 289 | inad.s_addr = htonl (SCM_NUM2ULONG (1,name)); |
370312ae GH |
290 | entry = gethostbyaddr ((char *) &inad, sizeof (inad), AF_INET); |
291 | } | |
370312ae | 292 | if (!entry) |
1bbd0b84 | 293 | scm_resolv_error (FUNC_NAME, name); |
5c11cc9d GH |
294 | |
295 | ve[0] = scm_makfromstr (entry->h_name, | |
296 | (scm_sizet) strlen (entry->h_name), 0); | |
370312ae GH |
297 | ve[1] = scm_makfromstrs (-1, entry->h_aliases); |
298 | ve[2] = SCM_MAKINUM (entry->h_addrtype + 0L); | |
299 | ve[3] = SCM_MAKINUM (entry->h_length + 0L); | |
300 | if (sizeof (struct in_addr) != entry->h_length) | |
301 | { | |
302 | ve[4] = SCM_BOOL_F; | |
303 | return ans; | |
304 | } | |
305 | for (argv = entry->h_addr_list; argv[i]; i++); | |
306 | while (i--) | |
307 | { | |
308 | inad = *(struct in_addr *) argv[i]; | |
309 | lst = scm_cons (scm_ulong2num (ntohl (inad.s_addr)), lst); | |
310 | } | |
311 | ve[4] = lst; | |
312 | return ans; | |
313 | } | |
1bbd0b84 | 314 | #undef FUNC_NAME |
370312ae GH |
315 | |
316 | ||
07513939 JB |
317 | /* In all subsequent getMUMBLE functions, when we're called with no |
318 | arguments, we're supposed to traverse the tables entry by entry. | |
319 | However, there doesn't seem to be any documented way to distinguish | |
320 | between end-of-table and an error; in both cases the functions | |
321 | return zero. Gotta love Unix. For the time being, we clear errno, | |
322 | and if we get a zero and errno is set, we signal an error. This | |
323 | doesn't seem quite right (what if errno gets set as part of healthy | |
324 | operation?), but it seems to work okay. We'll see. */ | |
325 | ||
0e958795 | 326 | #if defined(HAVE_GETNETENT) && defined(HAVE_GETNETBYNAME) && defined(HAVE_GETNETBYADDR) |
a1ec6916 | 327 | SCM_DEFINE (scm_getnet, "getnet", 0, 1, 0, |
1bbd0b84 | 328 | (SCM name), |
4079f87e GB |
329 | "@deffnx procedure getnetbyname net-name |
330 | @deffnx procedure getnetbyaddr net-number | |
331 | Look up a network by name or net number in the network database. The | |
332 | @var{net-name} argument must be a string, and the @var{net-number} | |
333 | argument must be an integer. @code{getnet} will accept either type of | |
334 | argument, behaving like @code{getnetent} (see below) if no arguments are | |
335 | given.") | |
1bbd0b84 | 336 | #define FUNC_NAME s_scm_getnet |
370312ae GH |
337 | { |
338 | SCM ans; | |
339 | SCM *ve; | |
340 | struct netent *entry; | |
341 | ||
a8741caa | 342 | ans = scm_make_vector (SCM_MAKINUM (4), SCM_UNSPECIFIED); |
370312ae GH |
343 | ve = SCM_VELTS (ans); |
344 | if (SCM_UNBNDP (name)) | |
345 | { | |
07513939 | 346 | errno = 0; |
370312ae | 347 | entry = getnetent (); |
07513939 JB |
348 | if (! entry) |
349 | { | |
07513939 | 350 | if (errno) |
1bbd0b84 | 351 | SCM_SYSERROR; |
07513939 JB |
352 | else |
353 | return SCM_BOOL_F; | |
354 | } | |
370312ae | 355 | } |
0c95b57d | 356 | else if (SCM_ROSTRINGP (name)) |
370312ae | 357 | { |
89958ad0 | 358 | SCM_COERCE_SUBSTR (name); |
ae2fa5bc | 359 | entry = getnetbyname (SCM_ROCHARS (name)); |
370312ae GH |
360 | } |
361 | else | |
362 | { | |
363 | unsigned long netnum; | |
4638e087 | 364 | netnum = SCM_NUM2ULONG (1, name); |
370312ae GH |
365 | entry = getnetbyaddr (netnum, AF_INET); |
366 | } | |
370312ae | 367 | if (!entry) |
5d2d2ffc | 368 | SCM_SYSERROR_MSG ("no such network ~A", |
07513939 | 369 | scm_listify (name, SCM_UNDEFINED), errno); |
370312ae GH |
370 | ve[0] = scm_makfromstr (entry->n_name, (scm_sizet) strlen (entry->n_name), 0); |
371 | ve[1] = scm_makfromstrs (-1, entry->n_aliases); | |
372 | ve[2] = SCM_MAKINUM (entry->n_addrtype + 0L); | |
373 | ve[3] = scm_ulong2num (entry->n_net + 0L); | |
374 | return ans; | |
375 | } | |
1bbd0b84 | 376 | #undef FUNC_NAME |
0e958795 | 377 | #endif |
370312ae | 378 | |
0e958795 | 379 | #ifdef HAVE_GETPROTOENT |
a1ec6916 | 380 | SCM_DEFINE (scm_getproto, "getproto", 0, 1, 0, |
1bbd0b84 | 381 | (SCM name), |
4079f87e GB |
382 | "@deffnx procedure getprotobyname name |
383 | @deffnx procedure getprotobynumber number | |
384 | Look up a network protocol by name or by number. @code{getprotobyname} | |
385 | takes a string argument, and @code{getprotobynumber} takes an integer | |
386 | argument. @code{getproto} will accept either type, behaving like | |
387 | @code{getprotoent} (see below) if no arguments are supplied.") | |
1bbd0b84 | 388 | #define FUNC_NAME s_scm_getproto |
370312ae GH |
389 | { |
390 | SCM ans; | |
391 | SCM *ve; | |
392 | struct protoent *entry; | |
393 | ||
a8741caa | 394 | ans = scm_make_vector (SCM_MAKINUM (3), SCM_UNSPECIFIED); |
370312ae GH |
395 | ve = SCM_VELTS (ans); |
396 | if (SCM_UNBNDP (name)) | |
397 | { | |
07513939 | 398 | errno = 0; |
370312ae | 399 | entry = getprotoent (); |
07513939 JB |
400 | if (! entry) |
401 | { | |
07513939 | 402 | if (errno) |
1bbd0b84 | 403 | SCM_SYSERROR; |
07513939 JB |
404 | else |
405 | return SCM_BOOL_F; | |
406 | } | |
370312ae | 407 | } |
0c95b57d | 408 | else if (SCM_ROSTRINGP (name)) |
370312ae | 409 | { |
89958ad0 | 410 | SCM_COERCE_SUBSTR (name); |
ae2fa5bc | 411 | entry = getprotobyname (SCM_ROCHARS (name)); |
370312ae GH |
412 | } |
413 | else | |
414 | { | |
415 | unsigned long protonum; | |
1bbd0b84 | 416 | protonum = SCM_NUM2ULONG (1,name); |
370312ae GH |
417 | entry = getprotobynumber (protonum); |
418 | } | |
370312ae | 419 | if (!entry) |
70d63753 | 420 | SCM_SYSERROR_MSG ("no such protocol ~A", |
07513939 | 421 | scm_listify (name, SCM_UNDEFINED), errno); |
370312ae GH |
422 | ve[0] = scm_makfromstr (entry->p_name, (scm_sizet) strlen (entry->p_name), 0); |
423 | ve[1] = scm_makfromstrs (-1, entry->p_aliases); | |
424 | ve[2] = SCM_MAKINUM (entry->p_proto + 0L); | |
425 | return ans; | |
426 | } | |
1bbd0b84 | 427 | #undef FUNC_NAME |
0e958795 | 428 | #endif |
370312ae | 429 | |
370312ae | 430 | static SCM |
1bbd0b84 | 431 | scm_return_entry (struct servent *entry) |
370312ae GH |
432 | { |
433 | SCM ans; | |
434 | SCM *ve; | |
435 | ||
a8741caa | 436 | ans = scm_make_vector (SCM_MAKINUM (4), SCM_UNSPECIFIED); |
370312ae GH |
437 | ve = SCM_VELTS (ans); |
438 | ve[0] = scm_makfromstr (entry->s_name, (scm_sizet) strlen (entry->s_name), 0); | |
439 | ve[1] = scm_makfromstrs (-1, entry->s_aliases); | |
440 | ve[2] = SCM_MAKINUM (ntohs (entry->s_port) + 0L); | |
441 | ve[3] = scm_makfromstr (entry->s_proto, (scm_sizet) strlen (entry->s_proto), 0); | |
370312ae GH |
442 | return ans; |
443 | } | |
444 | ||
0e958795 | 445 | #ifdef HAVE_GETSERVENT |
a1ec6916 | 446 | SCM_DEFINE (scm_getserv, "getserv", 0, 2, 0, |
1bbd0b84 | 447 | (SCM name, SCM proto), |
4079f87e GB |
448 | "@deffnx procedure getservbyname name protocol |
449 | @deffnx procedure getservbyport port protocol | |
450 | Look up a network service by name or by service number, and return a | |
451 | network service object. The @var{protocol} argument specifies the name | |
452 | of the desired protocol; if the protocol found in the network service | |
453 | database does not match this name, a system error is signalled. | |
454 | ||
455 | The @code{getserv} procedure will take either a service name or number | |
456 | as its first argument; if given no arguments, it behaves like | |
457 | @code{getservent} (see below).") | |
1bbd0b84 | 458 | #define FUNC_NAME s_scm_getserv |
370312ae GH |
459 | { |
460 | struct servent *entry; | |
461 | if (SCM_UNBNDP (name)) | |
462 | { | |
07513939 | 463 | errno = 0; |
370312ae | 464 | entry = getservent (); |
07513939 JB |
465 | if (!entry) |
466 | { | |
467 | if (errno) | |
1bbd0b84 | 468 | SCM_SYSERROR; |
07513939 JB |
469 | else |
470 | return SCM_BOOL_F; | |
471 | } | |
370312ae GH |
472 | return scm_return_entry (entry); |
473 | } | |
3b3b36dd | 474 | SCM_VALIDATE_ROSTRING (2,proto); |
89958ad0 | 475 | SCM_COERCE_SUBSTR (proto); |
0c95b57d | 476 | if (SCM_ROSTRINGP (name)) |
370312ae | 477 | { |
89958ad0 | 478 | SCM_COERCE_SUBSTR (name); |
ae2fa5bc | 479 | entry = getservbyname (SCM_ROCHARS (name), SCM_ROCHARS (proto)); |
370312ae GH |
480 | } |
481 | else | |
482 | { | |
3b3b36dd | 483 | SCM_VALIDATE_INUM (1,name); |
ae2fa5bc | 484 | entry = getservbyport (htons (SCM_INUM (name)), SCM_ROCHARS (proto)); |
370312ae GH |
485 | } |
486 | if (!entry) | |
70d63753 | 487 | SCM_SYSERROR_MSG("no such service ~A", |
1bbd0b84 | 488 | scm_listify (name, SCM_UNDEFINED), errno); |
370312ae GH |
489 | return scm_return_entry (entry); |
490 | } | |
1bbd0b84 | 491 | #undef FUNC_NAME |
0e958795 | 492 | #endif |
370312ae | 493 | |
0e958795 | 494 | #if defined(HAVE_SETHOSTENT) && defined(HAVE_ENDHOSTENT) |
a1ec6916 | 495 | SCM_DEFINE (scm_sethost, "sethost", 0, 1, 0, |
1bbd0b84 | 496 | (SCM arg), |
4079f87e GB |
497 | "If @var{stayopen} is omitted, this is equivalent to @code{endhostent}. |
498 | Otherwise it is equivalent to @code{sethostent stayopen}.") | |
1bbd0b84 | 499 | #define FUNC_NAME s_scm_sethost |
370312ae GH |
500 | { |
501 | if (SCM_UNBNDP (arg)) | |
502 | endhostent (); | |
503 | else | |
504 | sethostent (SCM_NFALSEP (arg)); | |
505 | return SCM_UNSPECIFIED; | |
506 | } | |
1bbd0b84 | 507 | #undef FUNC_NAME |
0e958795 | 508 | #endif |
370312ae | 509 | |
0e958795 | 510 | #if defined(HAVE_SETNETENT) && defined(HAVE_ENDNETENT) |
a1ec6916 | 511 | SCM_DEFINE (scm_setnet, "setnet", 0, 1, 0, |
1bbd0b84 | 512 | (SCM arg), |
4079f87e GB |
513 | "If @var{stayopen} is omitted, this is equivalent to @code{endnetent}. |
514 | Otherwise it is equivalent to @code{setnetent stayopen}.") | |
1bbd0b84 | 515 | #define FUNC_NAME s_scm_setnet |
370312ae GH |
516 | { |
517 | if (SCM_UNBNDP (arg)) | |
518 | endnetent (); | |
519 | else | |
520 | setnetent (SCM_NFALSEP (arg)); | |
521 | return SCM_UNSPECIFIED; | |
522 | } | |
1bbd0b84 | 523 | #undef FUNC_NAME |
0e958795 | 524 | #endif |
370312ae | 525 | |
0e958795 | 526 | #if defined(HAVE_SETPROTOENT) && defined(HAVE_ENDPROTOENT) |
a1ec6916 | 527 | SCM_DEFINE (scm_setproto, "setproto", 0, 1, 0, |
1bbd0b84 | 528 | (SCM arg), |
4079f87e GB |
529 | "If @var{stayopen} is omitted, this is equivalent to @code{endprotoent}. |
530 | Otherwise it is equivalent to @code{setprotoent stayopen}.") | |
1bbd0b84 | 531 | #define FUNC_NAME s_scm_setproto |
370312ae GH |
532 | { |
533 | if (SCM_UNBNDP (arg)) | |
534 | endprotoent (); | |
535 | else | |
536 | setprotoent (SCM_NFALSEP (arg)); | |
537 | return SCM_UNSPECIFIED; | |
538 | } | |
1bbd0b84 | 539 | #undef FUNC_NAME |
0e958795 | 540 | #endif |
370312ae | 541 | |
0e958795 | 542 | #if defined(HAVE_SETSERVENT) && defined(HAVE_ENDSERVENT) |
a1ec6916 | 543 | SCM_DEFINE (scm_setserv, "setserv", 0, 1, 0, |
1bbd0b84 | 544 | (SCM arg), |
4079f87e GB |
545 | "If @var{stayopen} is omitted, this is equivalent to @code{endservent}. |
546 | Otherwise it is equivalent to @code{setservent stayopen}.") | |
1bbd0b84 | 547 | #define FUNC_NAME s_scm_setserv |
370312ae GH |
548 | { |
549 | if (SCM_UNBNDP (arg)) | |
550 | endservent (); | |
551 | else | |
552 | setservent (SCM_NFALSEP (arg)); | |
553 | return SCM_UNSPECIFIED; | |
554 | } | |
1bbd0b84 | 555 | #undef FUNC_NAME |
0e958795 | 556 | #endif |
370312ae GH |
557 | |
558 | ||
559 | void | |
560 | scm_init_net_db () | |
561 | { | |
562 | #ifdef INADDR_ANY | |
563 | scm_sysintern ("INADDR_ANY", scm_ulong2num (INADDR_ANY)); | |
564 | #endif | |
565 | #ifdef INADDR_BROADCAST | |
566 | scm_sysintern ("INADDR_BROADCAST", scm_ulong2num (INADDR_BROADCAST)); | |
567 | #endif | |
568 | #ifdef INADDR_NONE | |
569 | scm_sysintern ("INADDR_NONE", scm_ulong2num (INADDR_NONE)); | |
570 | #endif | |
571 | #ifdef INADDR_LOOPBACK | |
572 | scm_sysintern ("INADDR_LOOPBACK", scm_ulong2num (INADDR_LOOPBACK)); | |
573 | #endif | |
574 | ||
575 | scm_add_feature ("net-db"); | |
576 | #include "net_db.x" | |
577 | } |