Commit | Line | Data |
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370312ae | 1 | /* "net_db.c" network database support |
e6393a4a | 2 | * Copyright (C) 1995, 1996, 1997, 1998, 1999 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 | ||
1bbd0b84 GB |
85 | GUILE_PROC (scm_inet_aton, "inet-aton", 1, 0, 0, |
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 | ||
1bbd0b84 | 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 | ||
1bbd0b84 GB |
108 | GUILE_PROC (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, |
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 |
1bbd0b84 GB |
129 | GUILE_PROC (scm_inet_netof, "inet-netof", 1, 0, 0, |
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 |
1bbd0b84 GB |
146 | GUILE_PROC (scm_lnaof, "inet-lnaof", 1, 0, 0, |
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 |
1bbd0b84 GB |
164 | GUILE_PROC (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, |
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 | ||
1bbd0b84 GB |
178 | SCM_VALIDATE_INT_COPY(1,net,netnum); |
179 | SCM_VALIDATE_INT_COPY(2,lna,lnanum); | |
370312ae GH |
180 | addr = inet_makeaddr (netnum, lnanum); |
181 | return scm_ulong2num (ntohl (addr.s_addr)); | |
182 | } | |
1bbd0b84 | 183 | #undef FUNC_NAME |
0e958795 | 184 | #endif |
370312ae | 185 | |
5c11cc9d GH |
186 | SCM_SYMBOL (scm_host_not_found_key, "host-not-found"); |
187 | SCM_SYMBOL (scm_try_again_key, "try-again"); | |
188 | SCM_SYMBOL (scm_no_recovery_key, "no-recovery"); | |
189 | SCM_SYMBOL (scm_no_data_key, "no-data"); | |
370312ae | 190 | |
5c11cc9d GH |
191 | static void scm_resolv_error (const char *subr, SCM bad_value) |
192 | { | |
193 | if (h_errno == NETDB_INTERNAL) | |
194 | { | |
195 | /* errno supposedly contains a useful value. */ | |
196 | scm_syserror (subr); | |
197 | } | |
198 | else | |
199 | { | |
200 | SCM key; | |
201 | const char *errmsg; | |
202 | ||
203 | switch (h_errno) | |
204 | { | |
205 | case HOST_NOT_FOUND: | |
206 | key = scm_host_not_found_key; | |
207 | errmsg = "Unknown host"; | |
208 | break; | |
209 | case TRY_AGAIN: | |
210 | key = scm_try_again_key; | |
211 | errmsg = "Host name lookup failure"; | |
212 | break; | |
213 | case NO_RECOVERY: | |
214 | key = scm_no_recovery_key; | |
215 | errmsg = "Unknown server error"; | |
216 | break; | |
217 | case NO_DATA: | |
218 | key = scm_no_data_key; | |
219 | errmsg = "No address associated with name"; | |
220 | break; | |
221 | default: | |
222 | scm_misc_error (subr, "Unknown resolver error", SCM_EOL); | |
223 | errmsg = NULL; | |
224 | } | |
225 | ||
226 | #ifdef HAVE_HSTRERROR | |
227 | errmsg = hstrerror (h_errno); | |
228 | #endif | |
229 | scm_error (key, subr, errmsg, scm_cons (bad_value, SCM_EOL), SCM_EOL); | |
230 | } | |
231 | } | |
232 | ||
233 | /* Should take an extra arg for address format (will be needed for IPv6). | |
234 | Should use reentrant facilities if available. | |
370312ae GH |
235 | */ |
236 | ||
1bbd0b84 GB |
237 | GUILE_PROC (scm_gethost, "gethost", 0, 1, 0, |
238 | (SCM name), | |
4079f87e GB |
239 | "@deffnx procedure gethostbyname hostname |
240 | @deffnx procedure gethostbyaddr address | |
241 | Look up a host by name or address, returning a host object. The | |
242 | @code{gethost} procedure will accept either a string name or an integer | |
243 | address; if given no arguments, it behaves like @code{gethostent} (see | |
244 | below). If a name or address is supplied but the address can not be | |
245 | found, an error will be thrown to one of the keys: | |
246 | @code{host-not-found}, @code{try-again}, @code{no-recovery} or | |
247 | @code{no-data}, corresponding to the equivalent @code{h_error} values. | |
248 | Unusual conditions may result in errors thrown to the | |
249 | @code{system-error} or @code{misc_error} keys.") | |
1bbd0b84 | 250 | #define FUNC_NAME s_scm_gethost |
370312ae | 251 | { |
a8741caa | 252 | SCM ans = scm_make_vector (SCM_MAKINUM (5), SCM_UNSPECIFIED); |
370312ae GH |
253 | SCM *ve = SCM_VELTS (ans); |
254 | SCM lst = SCM_EOL; | |
255 | struct hostent *entry; | |
256 | struct in_addr inad; | |
257 | char **argv; | |
258 | int i = 0; | |
370312ae GH |
259 | if (SCM_UNBNDP (name)) |
260 | { | |
cd34a384 | 261 | #ifdef HAVE_GETHOSTENT |
370312ae | 262 | entry = gethostent (); |
cd34a384 JB |
263 | #else |
264 | entry = NULL; | |
265 | #endif | |
07513939 JB |
266 | if (! entry) |
267 | { | |
268 | /* As far as I can tell, there's no good way to tell whether | |
269 | zero means an error or end-of-file. The trick of | |
270 | clearing errno before calling gethostent and checking it | |
271 | afterwards doesn't cut it, because, on Linux, it seems to | |
272 | try to contact some other server (YP?) and fails, which | |
273 | is a benign failure. */ | |
07513939 JB |
274 | return SCM_BOOL_F; |
275 | } | |
370312ae | 276 | } |
0c95b57d | 277 | else if (SCM_ROSTRINGP (name)) |
370312ae | 278 | { |
89958ad0 | 279 | SCM_COERCE_SUBSTR (name); |
ae2fa5bc | 280 | entry = gethostbyname (SCM_ROCHARS (name)); |
370312ae GH |
281 | } |
282 | else | |
283 | { | |
1bbd0b84 | 284 | inad.s_addr = htonl (scm_num2ulong (name, (char *) SCM_ARG1, FUNC_NAME)); |
370312ae GH |
285 | entry = gethostbyaddr ((char *) &inad, sizeof (inad), AF_INET); |
286 | } | |
370312ae | 287 | if (!entry) |
1bbd0b84 | 288 | scm_resolv_error (FUNC_NAME, name); |
5c11cc9d GH |
289 | |
290 | ve[0] = scm_makfromstr (entry->h_name, | |
291 | (scm_sizet) strlen (entry->h_name), 0); | |
370312ae GH |
292 | ve[1] = scm_makfromstrs (-1, entry->h_aliases); |
293 | ve[2] = SCM_MAKINUM (entry->h_addrtype + 0L); | |
294 | ve[3] = SCM_MAKINUM (entry->h_length + 0L); | |
295 | if (sizeof (struct in_addr) != entry->h_length) | |
296 | { | |
297 | ve[4] = SCM_BOOL_F; | |
298 | return ans; | |
299 | } | |
300 | for (argv = entry->h_addr_list; argv[i]; i++); | |
301 | while (i--) | |
302 | { | |
303 | inad = *(struct in_addr *) argv[i]; | |
304 | lst = scm_cons (scm_ulong2num (ntohl (inad.s_addr)), lst); | |
305 | } | |
306 | ve[4] = lst; | |
307 | return ans; | |
308 | } | |
1bbd0b84 | 309 | #undef FUNC_NAME |
370312ae GH |
310 | |
311 | ||
07513939 JB |
312 | /* In all subsequent getMUMBLE functions, when we're called with no |
313 | arguments, we're supposed to traverse the tables entry by entry. | |
314 | However, there doesn't seem to be any documented way to distinguish | |
315 | between end-of-table and an error; in both cases the functions | |
316 | return zero. Gotta love Unix. For the time being, we clear errno, | |
317 | and if we get a zero and errno is set, we signal an error. This | |
318 | doesn't seem quite right (what if errno gets set as part of healthy | |
319 | operation?), but it seems to work okay. We'll see. */ | |
320 | ||
0e958795 | 321 | #if defined(HAVE_GETNETENT) && defined(HAVE_GETNETBYNAME) && defined(HAVE_GETNETBYADDR) |
1bbd0b84 GB |
322 | GUILE_PROC (scm_getnet, "getnet", 0, 1, 0, |
323 | (SCM name), | |
4079f87e GB |
324 | "@deffnx procedure getnetbyname net-name |
325 | @deffnx procedure getnetbyaddr net-number | |
326 | Look up a network by name or net number in the network database. The | |
327 | @var{net-name} argument must be a string, and the @var{net-number} | |
328 | argument must be an integer. @code{getnet} will accept either type of | |
329 | argument, behaving like @code{getnetent} (see below) if no arguments are | |
330 | given.") | |
1bbd0b84 | 331 | #define FUNC_NAME s_scm_getnet |
370312ae GH |
332 | { |
333 | SCM ans; | |
334 | SCM *ve; | |
335 | struct netent *entry; | |
336 | ||
a8741caa | 337 | ans = scm_make_vector (SCM_MAKINUM (4), SCM_UNSPECIFIED); |
370312ae GH |
338 | ve = SCM_VELTS (ans); |
339 | if (SCM_UNBNDP (name)) | |
340 | { | |
07513939 | 341 | errno = 0; |
370312ae | 342 | entry = getnetent (); |
07513939 JB |
343 | if (! entry) |
344 | { | |
07513939 | 345 | if (errno) |
1bbd0b84 | 346 | SCM_SYSERROR; |
07513939 JB |
347 | else |
348 | return SCM_BOOL_F; | |
349 | } | |
370312ae | 350 | } |
0c95b57d | 351 | else if (SCM_ROSTRINGP (name)) |
370312ae | 352 | { |
89958ad0 | 353 | SCM_COERCE_SUBSTR (name); |
ae2fa5bc | 354 | entry = getnetbyname (SCM_ROCHARS (name)); |
370312ae GH |
355 | } |
356 | else | |
357 | { | |
358 | unsigned long netnum; | |
1bbd0b84 | 359 | netnum = scm_num2ulong (name, (char *) SCM_ARG1, FUNC_NAME); |
370312ae GH |
360 | entry = getnetbyaddr (netnum, AF_INET); |
361 | } | |
370312ae | 362 | if (!entry) |
1bbd0b84 | 363 | scm_syserror_msg (FUNC_NAME, "no such network %s", |
07513939 | 364 | scm_listify (name, SCM_UNDEFINED), errno); |
370312ae GH |
365 | ve[0] = scm_makfromstr (entry->n_name, (scm_sizet) strlen (entry->n_name), 0); |
366 | ve[1] = scm_makfromstrs (-1, entry->n_aliases); | |
367 | ve[2] = SCM_MAKINUM (entry->n_addrtype + 0L); | |
368 | ve[3] = scm_ulong2num (entry->n_net + 0L); | |
369 | return ans; | |
370 | } | |
1bbd0b84 | 371 | #undef FUNC_NAME |
0e958795 | 372 | #endif |
370312ae | 373 | |
0e958795 | 374 | #ifdef HAVE_GETPROTOENT |
1bbd0b84 GB |
375 | GUILE_PROC (scm_getproto, "getproto", 0, 1, 0, |
376 | (SCM name), | |
4079f87e GB |
377 | "@deffnx procedure getprotobyname name |
378 | @deffnx procedure getprotobynumber number | |
379 | Look up a network protocol by name or by number. @code{getprotobyname} | |
380 | takes a string argument, and @code{getprotobynumber} takes an integer | |
381 | argument. @code{getproto} will accept either type, behaving like | |
382 | @code{getprotoent} (see below) if no arguments are supplied.") | |
1bbd0b84 | 383 | #define FUNC_NAME s_scm_getproto |
370312ae GH |
384 | { |
385 | SCM ans; | |
386 | SCM *ve; | |
387 | struct protoent *entry; | |
388 | ||
a8741caa | 389 | ans = scm_make_vector (SCM_MAKINUM (3), SCM_UNSPECIFIED); |
370312ae GH |
390 | ve = SCM_VELTS (ans); |
391 | if (SCM_UNBNDP (name)) | |
392 | { | |
07513939 | 393 | errno = 0; |
370312ae | 394 | entry = getprotoent (); |
07513939 JB |
395 | if (! entry) |
396 | { | |
07513939 | 397 | if (errno) |
1bbd0b84 | 398 | SCM_SYSERROR; |
07513939 JB |
399 | else |
400 | return SCM_BOOL_F; | |
401 | } | |
370312ae | 402 | } |
0c95b57d | 403 | else if (SCM_ROSTRINGP (name)) |
370312ae | 404 | { |
89958ad0 | 405 | SCM_COERCE_SUBSTR (name); |
ae2fa5bc | 406 | entry = getprotobyname (SCM_ROCHARS (name)); |
370312ae GH |
407 | } |
408 | else | |
409 | { | |
410 | unsigned long protonum; | |
1bbd0b84 | 411 | protonum = SCM_NUM2ULONG (1,name); |
370312ae GH |
412 | entry = getprotobynumber (protonum); |
413 | } | |
370312ae | 414 | if (!entry) |
1bbd0b84 | 415 | SCM_SYSERROR_MSG ("no such protocol %s", |
07513939 | 416 | scm_listify (name, SCM_UNDEFINED), errno); |
370312ae GH |
417 | ve[0] = scm_makfromstr (entry->p_name, (scm_sizet) strlen (entry->p_name), 0); |
418 | ve[1] = scm_makfromstrs (-1, entry->p_aliases); | |
419 | ve[2] = SCM_MAKINUM (entry->p_proto + 0L); | |
420 | return ans; | |
421 | } | |
1bbd0b84 | 422 | #undef FUNC_NAME |
0e958795 | 423 | #endif |
370312ae | 424 | |
370312ae | 425 | static SCM |
1bbd0b84 | 426 | scm_return_entry (struct servent *entry) |
370312ae GH |
427 | { |
428 | SCM ans; | |
429 | SCM *ve; | |
430 | ||
a8741caa | 431 | ans = scm_make_vector (SCM_MAKINUM (4), SCM_UNSPECIFIED); |
370312ae GH |
432 | ve = SCM_VELTS (ans); |
433 | ve[0] = scm_makfromstr (entry->s_name, (scm_sizet) strlen (entry->s_name), 0); | |
434 | ve[1] = scm_makfromstrs (-1, entry->s_aliases); | |
435 | ve[2] = SCM_MAKINUM (ntohs (entry->s_port) + 0L); | |
436 | ve[3] = scm_makfromstr (entry->s_proto, (scm_sizet) strlen (entry->s_proto), 0); | |
370312ae GH |
437 | return ans; |
438 | } | |
439 | ||
0e958795 | 440 | #ifdef HAVE_GETSERVENT |
1bbd0b84 GB |
441 | GUILE_PROC (scm_getserv, "getserv", 0, 2, 0, |
442 | (SCM name, SCM proto), | |
4079f87e GB |
443 | "@deffnx procedure getservbyname name protocol |
444 | @deffnx procedure getservbyport port protocol | |
445 | Look up a network service by name or by service number, and return a | |
446 | network service object. The @var{protocol} argument specifies the name | |
447 | of the desired protocol; if the protocol found in the network service | |
448 | database does not match this name, a system error is signalled. | |
449 | ||
450 | The @code{getserv} procedure will take either a service name or number | |
451 | as its first argument; if given no arguments, it behaves like | |
452 | @code{getservent} (see below).") | |
1bbd0b84 | 453 | #define FUNC_NAME s_scm_getserv |
370312ae GH |
454 | { |
455 | struct servent *entry; | |
456 | if (SCM_UNBNDP (name)) | |
457 | { | |
07513939 | 458 | errno = 0; |
370312ae | 459 | entry = getservent (); |
07513939 JB |
460 | if (!entry) |
461 | { | |
462 | if (errno) | |
1bbd0b84 | 463 | SCM_SYSERROR; |
07513939 JB |
464 | else |
465 | return SCM_BOOL_F; | |
466 | } | |
370312ae GH |
467 | return scm_return_entry (entry); |
468 | } | |
1bbd0b84 | 469 | SCM_VALIDATE_ROSTRING(2,proto); |
89958ad0 | 470 | SCM_COERCE_SUBSTR (proto); |
0c95b57d | 471 | if (SCM_ROSTRINGP (name)) |
370312ae | 472 | { |
89958ad0 | 473 | SCM_COERCE_SUBSTR (name); |
ae2fa5bc | 474 | entry = getservbyname (SCM_ROCHARS (name), SCM_ROCHARS (proto)); |
370312ae GH |
475 | } |
476 | else | |
477 | { | |
1bbd0b84 | 478 | SCM_VALIDATE_INT(1,name); |
ae2fa5bc | 479 | entry = getservbyport (htons (SCM_INUM (name)), SCM_ROCHARS (proto)); |
370312ae GH |
480 | } |
481 | if (!entry) | |
1bbd0b84 GB |
482 | SCM_SYSERROR_MSG("no such service %s", |
483 | scm_listify (name, SCM_UNDEFINED), errno); | |
370312ae GH |
484 | return scm_return_entry (entry); |
485 | } | |
1bbd0b84 | 486 | #undef FUNC_NAME |
0e958795 | 487 | #endif |
370312ae | 488 | |
0e958795 | 489 | #if defined(HAVE_SETHOSTENT) && defined(HAVE_ENDHOSTENT) |
1bbd0b84 GB |
490 | GUILE_PROC (scm_sethost, "sethost", 0, 1, 0, |
491 | (SCM arg), | |
4079f87e GB |
492 | "If @var{stayopen} is omitted, this is equivalent to @code{endhostent}. |
493 | Otherwise it is equivalent to @code{sethostent stayopen}.") | |
1bbd0b84 | 494 | #define FUNC_NAME s_scm_sethost |
370312ae GH |
495 | { |
496 | if (SCM_UNBNDP (arg)) | |
497 | endhostent (); | |
498 | else | |
499 | sethostent (SCM_NFALSEP (arg)); | |
500 | return SCM_UNSPECIFIED; | |
501 | } | |
1bbd0b84 | 502 | #undef FUNC_NAME |
0e958795 | 503 | #endif |
370312ae | 504 | |
0e958795 | 505 | #if defined(HAVE_SETNETENT) && defined(HAVE_ENDNETENT) |
1bbd0b84 GB |
506 | GUILE_PROC (scm_setnet, "setnet", 0, 1, 0, |
507 | (SCM arg), | |
4079f87e GB |
508 | "If @var{stayopen} is omitted, this is equivalent to @code{endnetent}. |
509 | Otherwise it is equivalent to @code{setnetent stayopen}.") | |
1bbd0b84 | 510 | #define FUNC_NAME s_scm_setnet |
370312ae GH |
511 | { |
512 | if (SCM_UNBNDP (arg)) | |
513 | endnetent (); | |
514 | else | |
515 | setnetent (SCM_NFALSEP (arg)); | |
516 | return SCM_UNSPECIFIED; | |
517 | } | |
1bbd0b84 | 518 | #undef FUNC_NAME |
0e958795 | 519 | #endif |
370312ae | 520 | |
0e958795 | 521 | #if defined(HAVE_SETPROTOENT) && defined(HAVE_ENDPROTOENT) |
1bbd0b84 GB |
522 | GUILE_PROC (scm_setproto, "setproto", 0, 1, 0, |
523 | (SCM arg), | |
4079f87e GB |
524 | "If @var{stayopen} is omitted, this is equivalent to @code{endprotoent}. |
525 | Otherwise it is equivalent to @code{setprotoent stayopen}.") | |
1bbd0b84 | 526 | #define FUNC_NAME s_scm_setproto |
370312ae GH |
527 | { |
528 | if (SCM_UNBNDP (arg)) | |
529 | endprotoent (); | |
530 | else | |
531 | setprotoent (SCM_NFALSEP (arg)); | |
532 | return SCM_UNSPECIFIED; | |
533 | } | |
1bbd0b84 | 534 | #undef FUNC_NAME |
0e958795 | 535 | #endif |
370312ae | 536 | |
0e958795 | 537 | #if defined(HAVE_SETSERVENT) && defined(HAVE_ENDSERVENT) |
1bbd0b84 GB |
538 | GUILE_PROC (scm_setserv, "setserv", 0, 1, 0, |
539 | (SCM arg), | |
4079f87e GB |
540 | "If @var{stayopen} is omitted, this is equivalent to @code{endservent}. |
541 | Otherwise it is equivalent to @code{setservent stayopen}.") | |
1bbd0b84 | 542 | #define FUNC_NAME s_scm_setserv |
370312ae GH |
543 | { |
544 | if (SCM_UNBNDP (arg)) | |
545 | endservent (); | |
546 | else | |
547 | setservent (SCM_NFALSEP (arg)); | |
548 | return SCM_UNSPECIFIED; | |
549 | } | |
1bbd0b84 | 550 | #undef FUNC_NAME |
0e958795 | 551 | #endif |
370312ae GH |
552 | |
553 | ||
554 | void | |
555 | scm_init_net_db () | |
556 | { | |
557 | #ifdef INADDR_ANY | |
558 | scm_sysintern ("INADDR_ANY", scm_ulong2num (INADDR_ANY)); | |
559 | #endif | |
560 | #ifdef INADDR_BROADCAST | |
561 | scm_sysintern ("INADDR_BROADCAST", scm_ulong2num (INADDR_BROADCAST)); | |
562 | #endif | |
563 | #ifdef INADDR_NONE | |
564 | scm_sysintern ("INADDR_NONE", scm_ulong2num (INADDR_NONE)); | |
565 | #endif | |
566 | #ifdef INADDR_LOOPBACK | |
567 | scm_sysintern ("INADDR_LOOPBACK", scm_ulong2num (INADDR_LOOPBACK)); | |
568 | #endif | |
569 | ||
570 | scm_add_feature ("net-db"); | |
571 | #include "net_db.x" | |
572 | } |