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db137867 AC |
1 | /* |
2 | * libratbox: a library used by ircd-ratbox and other things | |
3 | * openssl.c: openssl related code | |
4 | * | |
5 | * Copyright (C) 2007-2008 ircd-ratbox development team | |
6 | * Copyright (C) 2007-2008 Aaron Sethman <androsyn@ratbox.org> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 | |
21 | * USA | |
22 | * | |
23 | * $Id: commio.c 24808 2008-01-02 08:17:05Z androsyn $ | |
24 | */ | |
25 | ||
26 | #include <libratbox_config.h> | |
27 | #include <ratbox_lib.h> | |
28 | ||
29 | #ifdef HAVE_OPENSSL | |
30 | ||
31 | #include <commio-int.h> | |
32 | #include <commio-ssl.h> | |
33 | #include <openssl/ssl.h> | |
34 | #include <openssl/dh.h> | |
35 | #include <openssl/err.h> | |
36 | #include <openssl/rand.h> | |
37 | ||
38 | static SSL_CTX *ssl_server_ctx; | |
39 | static SSL_CTX *ssl_client_ctx; | |
c2ac22cc | 40 | static int libratbox_index = -1; |
db137867 AC |
41 | |
42 | static unsigned long get_last_err(void) | |
43 | { | |
44 | unsigned long t_err, err = 0; | |
45 | err = ERR_get_error(); | |
46 | if(err == 0) | |
47 | return 0; | |
48 | ||
49 | while((t_err = ERR_get_error()) > 0) | |
50 | err = t_err; | |
51 | ||
52 | return err; | |
53 | } | |
54 | ||
55 | void | |
56 | rb_ssl_shutdown(rb_fde_t * F) | |
57 | { | |
58 | int i; | |
59 | if(F == NULL || F->ssl == NULL) | |
60 | return; | |
61 | SSL_set_shutdown((SSL *) F->ssl, SSL_RECEIVED_SHUTDOWN); | |
62 | ||
63 | for (i = 0; i < 4; i++) | |
64 | { | |
65 | if(SSL_shutdown((SSL *) F->ssl)) | |
66 | break; | |
67 | } | |
68 | get_last_err(); | |
69 | SSL_free((SSL *) F->ssl); | |
70 | } | |
71 | ||
c2ac22cc VY |
72 | unsigned int |
73 | rb_ssl_handshake_count(rb_fde_t *F) | |
74 | { | |
75 | return F->handshake_count; | |
76 | } | |
77 | ||
78 | void | |
79 | rb_ssl_clear_handshake_count(rb_fde_t *F) | |
80 | { | |
81 | F->handshake_count = 0; | |
82 | } | |
83 | ||
db137867 | 84 | static void |
73d6283c | 85 | rb_ssl_timeout(rb_fde_t * F, void *notused) |
db137867 | 86 | { |
73d6283c VY |
87 | lrb_assert(F->accept != NULL); |
88 | F->accept->callback(F, RB_ERR_TIMEOUT, NULL, 0, F->accept->data); | |
db137867 AC |
89 | } |
90 | ||
91 | ||
c2ac22cc VY |
92 | static void rb_ssl_info_callback(SSL *ssl, int where, int ret) |
93 | { | |
94 | if(where & SSL_CB_HANDSHAKE_START) | |
95 | { | |
96 | rb_fde_t *F = SSL_get_ex_data(ssl, libratbox_index); | |
97 | if(F == NULL) | |
98 | return; | |
99 | F->handshake_count++; | |
100 | } | |
101 | } | |
102 | ||
103 | static void | |
104 | rb_setup_ssl_cb(rb_fde_t *F) | |
105 | { | |
106 | SSL_set_ex_data(F->ssl, libratbox_index, (char *)F); | |
107 | SSL_set_info_callback((SSL *)F->ssl, (void *)rb_ssl_info_callback); | |
108 | } | |
109 | ||
db137867 AC |
110 | static void |
111 | rb_ssl_tryaccept(rb_fde_t * F, void *data) | |
112 | { | |
113 | int ssl_err; | |
114 | lrb_assert(F->accept != NULL); | |
73d6283c | 115 | int flags; |
2142f691 | 116 | struct acceptdata *ad; |
db137867 AC |
117 | |
118 | if(!SSL_is_init_finished((SSL *) F->ssl)) | |
119 | { | |
120 | if((ssl_err = SSL_accept((SSL *) F->ssl)) <= 0) | |
121 | { | |
122 | switch (ssl_err = SSL_get_error((SSL *) F->ssl, ssl_err)) | |
123 | { | |
db137867 AC |
124 | case SSL_ERROR_WANT_READ: |
125 | case SSL_ERROR_WANT_WRITE: | |
73d6283c VY |
126 | if(ssl_err == SSL_ERROR_WANT_WRITE) |
127 | flags = RB_SELECT_WRITE; | |
128 | else | |
129 | flags = RB_SELECT_READ; | |
130 | F->ssl_errno = get_last_err(); | |
131 | rb_setselect(F, flags, rb_ssl_tryaccept, NULL); | |
132 | break; | |
133 | case SSL_ERROR_SYSCALL: | |
134 | F->accept->callback(F, RB_ERROR, NULL, 0, F->accept->data); | |
135 | break; | |
db137867 AC |
136 | default: |
137 | F->ssl_errno = get_last_err(); | |
138 | F->accept->callback(F, RB_ERROR_SSL, NULL, 0, F->accept->data); | |
139 | break; | |
140 | } | |
141 | return; | |
142 | } | |
143 | } | |
144 | rb_settimeout(F, 0, NULL, NULL); | |
145 | rb_setselect(F, RB_SELECT_READ | RB_SELECT_WRITE, NULL, NULL); | |
2142f691 JT |
146 | |
147 | ad = F->accept; | |
db137867 | 148 | F->accept = NULL; |
2142f691 JT |
149 | ad->callback(F, RB_OK, (struct sockaddr *) &ad->S, ad->addrlen, |
150 | ad->data); | |
151 | rb_free(ad); | |
db137867 AC |
152 | |
153 | } | |
154 | ||
c2ac22cc VY |
155 | |
156 | static void | |
157 | rb_ssl_accept_common(rb_fde_t *new_F) | |
db137867 AC |
158 | { |
159 | int ssl_err; | |
db137867 AC |
160 | if((ssl_err = SSL_accept((SSL *) new_F->ssl)) <= 0) |
161 | { | |
162 | switch (ssl_err = SSL_get_error((SSL *) new_F->ssl, ssl_err)) | |
163 | { | |
164 | case SSL_ERROR_SYSCALL: | |
165 | if(rb_ignore_errno(errno)) | |
166 | case SSL_ERROR_WANT_READ: | |
167 | case SSL_ERROR_WANT_WRITE: | |
168 | { | |
169 | new_F->ssl_errno = get_last_err(); | |
170 | rb_setselect(new_F, RB_SELECT_READ | RB_SELECT_WRITE, | |
171 | rb_ssl_tryaccept, NULL); | |
172 | return; | |
173 | } | |
174 | default: | |
175 | new_F->ssl_errno = get_last_err(); | |
176 | new_F->accept->callback(new_F, RB_ERROR_SSL, NULL, 0, new_F->accept->data); | |
177 | return; | |
178 | } | |
179 | } | |
180 | else | |
181 | { | |
182 | rb_ssl_tryaccept(new_F, NULL); | |
183 | } | |
184 | } | |
185 | ||
c2ac22cc VY |
186 | void |
187 | rb_ssl_start_accepted(rb_fde_t * new_F, ACCB * cb, void *data, int timeout) | |
188 | { | |
189 | new_F->type |= RB_FD_SSL; | |
190 | new_F->ssl = SSL_new(ssl_server_ctx); | |
191 | new_F->accept = rb_malloc(sizeof(struct acceptdata)); | |
192 | ||
193 | new_F->accept->callback = cb; | |
194 | new_F->accept->data = data; | |
195 | rb_settimeout(new_F, timeout, rb_ssl_timeout, NULL); | |
196 | ||
197 | new_F->accept->addrlen = 0; | |
198 | SSL_set_fd((SSL *) new_F->ssl, rb_get_fd(new_F)); | |
199 | rb_setup_ssl_cb(new_F); | |
200 | rb_ssl_accept_common(new_F); | |
201 | } | |
202 | ||
db137867 AC |
203 | |
204 | ||
205 | ||
206 | void | |
207 | rb_ssl_accept_setup(rb_fde_t * F, int new_fd, struct sockaddr *st, int addrlen) | |
208 | { | |
209 | rb_fde_t *new_F; | |
db137867 AC |
210 | |
211 | new_F = rb_find_fd(new_fd); | |
c2ac22cc VY |
212 | if(new_F == NULL) |
213 | return; | |
db137867 AC |
214 | new_F->type |= RB_FD_SSL; |
215 | new_F->ssl = SSL_new(ssl_server_ctx); | |
216 | new_F->accept = rb_malloc(sizeof(struct acceptdata)); | |
217 | ||
218 | new_F->accept->callback = F->accept->callback; | |
219 | new_F->accept->data = F->accept->data; | |
220 | rb_settimeout(new_F, 10, rb_ssl_timeout, NULL); | |
221 | memcpy(&new_F->accept->S, st, addrlen); | |
222 | new_F->accept->addrlen = addrlen; | |
223 | ||
224 | SSL_set_fd((SSL *) new_F->ssl, new_fd); | |
c2ac22cc VY |
225 | rb_setup_ssl_cb(new_F); |
226 | rb_ssl_accept_common(new_F); | |
db137867 AC |
227 | } |
228 | ||
229 | static ssize_t | |
230 | rb_ssl_read_or_write(int r_or_w, rb_fde_t * F, void *rbuf, const void *wbuf, size_t count) | |
231 | { | |
232 | ssize_t ret; | |
233 | unsigned long err; | |
234 | SSL *ssl = F->ssl; | |
235 | ||
236 | if(r_or_w == 0) | |
237 | ret = (ssize_t)SSL_read(ssl, rbuf, (int) count); | |
238 | else | |
239 | ret = (ssize_t)SSL_write(ssl, wbuf, (int) count); | |
240 | ||
241 | if(ret < 0) | |
242 | { | |
243 | switch (SSL_get_error(ssl, ret)) | |
244 | { | |
245 | case SSL_ERROR_WANT_READ: | |
246 | errno = EAGAIN; | |
247 | return RB_RW_SSL_NEED_READ; | |
248 | case SSL_ERROR_WANT_WRITE: | |
249 | errno = EAGAIN; | |
250 | return RB_RW_SSL_NEED_WRITE; | |
251 | case SSL_ERROR_ZERO_RETURN: | |
252 | return 0; | |
253 | case SSL_ERROR_SYSCALL: | |
254 | err = get_last_err(); | |
255 | if(err == 0) | |
256 | { | |
257 | F->ssl_errno = 0; | |
258 | return RB_RW_IO_ERROR; | |
259 | } | |
260 | break; | |
261 | default: | |
262 | err = get_last_err(); | |
263 | break; | |
264 | } | |
265 | F->ssl_errno = err; | |
266 | if(err > 0) | |
267 | { | |
268 | errno = EIO; /* not great but... */ | |
269 | return RB_RW_SSL_ERROR; | |
270 | } | |
271 | return RB_RW_IO_ERROR; | |
272 | } | |
273 | return ret; | |
274 | } | |
275 | ||
276 | ssize_t | |
277 | rb_ssl_read(rb_fde_t * F, void *buf, size_t count) | |
278 | { | |
279 | return rb_ssl_read_or_write(0, F, buf, NULL, count); | |
280 | } | |
281 | ||
282 | ssize_t | |
283 | rb_ssl_write(rb_fde_t * F, const void *buf, size_t count) | |
284 | { | |
285 | return rb_ssl_read_or_write(1, F, NULL, buf, count); | |
286 | } | |
287 | ||
288 | int | |
289 | rb_init_ssl(void) | |
290 | { | |
291 | int ret = 1; | |
c2ac22cc | 292 | char libratbox_data[] = "libratbox data"; |
db137867 AC |
293 | SSL_load_error_strings(); |
294 | SSL_library_init(); | |
c2ac22cc | 295 | libratbox_index = SSL_get_ex_new_index(0, libratbox_data, NULL, NULL, NULL); |
db137867 AC |
296 | ssl_server_ctx = SSL_CTX_new(SSLv23_server_method()); |
297 | if(ssl_server_ctx == NULL) | |
298 | { | |
299 | rb_lib_log("rb_init_openssl: Unable to initialize OpenSSL server context: %s", | |
300 | ERR_error_string(ERR_get_error(), NULL)); | |
301 | ret = 0; | |
302 | } | |
303 | /* Disable SSLv2, make the client use our settings */ | |
304 | SSL_CTX_set_options(ssl_server_ctx, SSL_OP_NO_SSLv2 | SSL_OP_CIPHER_SERVER_PREFERENCE); | |
305 | ||
306 | ssl_client_ctx = SSL_CTX_new(TLSv1_client_method()); | |
307 | ||
308 | if(ssl_client_ctx == NULL) | |
309 | { | |
310 | rb_lib_log("rb_init_openssl: Unable to initialize OpenSSL client context: %s", | |
311 | ERR_error_string(ERR_get_error(), NULL)); | |
312 | ret = 0; | |
313 | } | |
314 | return ret; | |
315 | } | |
316 | ||
317 | ||
318 | int | |
319 | rb_setup_ssl_server(const char *cert, const char *keyfile, const char *dhfile) | |
320 | { | |
321 | FILE *param; | |
322 | DH *dh; | |
323 | unsigned long err; | |
324 | if(cert == NULL) | |
325 | { | |
326 | rb_lib_log("rb_setup_ssl_server: No certificate file"); | |
327 | return 0; | |
328 | } | |
329 | if(!SSL_CTX_use_certificate_file(ssl_server_ctx, cert, SSL_FILETYPE_PEM)) | |
330 | { | |
331 | err = ERR_get_error(); | |
332 | rb_lib_log("rb_setup_ssl_server: Error loading certificate file [%s]: %s", cert, | |
333 | ERR_error_string(err, NULL)); | |
334 | return 0; | |
335 | } | |
336 | ||
337 | if(keyfile == NULL) | |
338 | { | |
339 | rb_lib_log("rb_setup_ssl_server: No key file"); | |
340 | return 0; | |
341 | } | |
342 | ||
343 | ||
344 | if(!SSL_CTX_use_PrivateKey_file(ssl_server_ctx, keyfile, SSL_FILETYPE_PEM)) | |
345 | { | |
346 | err = ERR_get_error(); | |
347 | rb_lib_log("rb_setup_ssl_server: Error loading keyfile [%s]: %s", keyfile, | |
348 | ERR_error_string(err, NULL)); | |
349 | return 0; | |
350 | } | |
351 | ||
352 | if(dhfile != NULL) | |
353 | { | |
354 | /* DH parameters aren't necessary, but they are nice..if they didn't pass one..that is their problem */ | |
355 | param = fopen(dhfile, "r"); | |
356 | if(param != NULL) | |
357 | { | |
358 | dh = PEM_read_DHparams(param, NULL, NULL, NULL); | |
359 | if(dh == NULL) | |
360 | { | |
361 | err = ERR_get_error(); | |
362 | rb_lib_log | |
363 | ("rb_setup_ssl_server: Error loading DH params file [%s]: %s", | |
364 | param, ERR_error_string(err, NULL)); | |
365 | fclose(param); | |
366 | return 0; | |
367 | } | |
368 | SSL_CTX_set_tmp_dh(ssl_server_ctx, dh); | |
369 | fclose(param); | |
370 | } | |
371 | } | |
372 | return 1; | |
373 | } | |
374 | ||
375 | int | |
376 | rb_ssl_listen(rb_fde_t * F, int backlog) | |
377 | { | |
378 | F->type = RB_FD_SOCKET | RB_FD_LISTEN | RB_FD_SSL; | |
379 | return listen(F->fd, backlog); | |
380 | } | |
381 | ||
382 | struct ssl_connect | |
383 | { | |
384 | CNCB *callback; | |
385 | void *data; | |
386 | int timeout; | |
387 | }; | |
388 | ||
389 | static void | |
390 | rb_ssl_connect_realcb(rb_fde_t * F, int status, struct ssl_connect *sconn) | |
391 | { | |
392 | F->connect->callback = sconn->callback; | |
393 | F->connect->data = sconn->data; | |
394 | rb_free(sconn); | |
395 | rb_connect_callback(F, status); | |
396 | } | |
397 | ||
398 | static void | |
399 | rb_ssl_tryconn_timeout_cb(rb_fde_t * F, void *data) | |
400 | { | |
401 | rb_ssl_connect_realcb(F, RB_ERR_TIMEOUT, data); | |
402 | } | |
403 | ||
404 | static void | |
405 | rb_ssl_tryconn_cb(rb_fde_t * F, void *data) | |
406 | { | |
407 | struct ssl_connect *sconn = data; | |
408 | int ssl_err; | |
409 | if(!SSL_is_init_finished((SSL *) F->ssl)) | |
410 | { | |
411 | if((ssl_err = SSL_connect((SSL *) F->ssl)) <= 0) | |
412 | { | |
413 | switch (ssl_err = SSL_get_error((SSL *) F->ssl, ssl_err)) | |
414 | { | |
415 | case SSL_ERROR_SYSCALL: | |
416 | if(rb_ignore_errno(errno)) | |
417 | case SSL_ERROR_WANT_READ: | |
418 | case SSL_ERROR_WANT_WRITE: | |
419 | { | |
420 | F->ssl_errno = get_last_err(); | |
421 | rb_setselect(F, RB_SELECT_READ | RB_SELECT_WRITE, | |
422 | rb_ssl_tryconn_cb, sconn); | |
423 | return; | |
424 | } | |
425 | default: | |
426 | F->ssl_errno = get_last_err(); | |
427 | rb_ssl_connect_realcb(F, RB_ERROR_SSL, sconn); | |
428 | return; | |
429 | } | |
430 | } | |
431 | else | |
432 | { | |
433 | rb_ssl_connect_realcb(F, RB_OK, sconn); | |
434 | } | |
435 | } | |
436 | } | |
437 | ||
438 | static void | |
439 | rb_ssl_tryconn(rb_fde_t * F, int status, void *data) | |
440 | { | |
441 | struct ssl_connect *sconn = data; | |
442 | int ssl_err; | |
443 | if(status != RB_OK) | |
444 | { | |
445 | rb_ssl_connect_realcb(F, status, sconn); | |
446 | return; | |
447 | } | |
448 | ||
449 | F->type |= RB_FD_SSL; | |
450 | F->ssl = SSL_new(ssl_client_ctx); | |
451 | SSL_set_fd((SSL *) F->ssl, F->fd); | |
c2ac22cc | 452 | rb_setup_ssl_cb(F); |
db137867 AC |
453 | rb_settimeout(F, sconn->timeout, rb_ssl_tryconn_timeout_cb, sconn); |
454 | if((ssl_err = SSL_connect((SSL *) F->ssl)) <= 0) | |
455 | { | |
456 | switch (ssl_err = SSL_get_error((SSL *) F->ssl, ssl_err)) | |
457 | { | |
458 | case SSL_ERROR_SYSCALL: | |
459 | if(rb_ignore_errno(errno)) | |
460 | case SSL_ERROR_WANT_READ: | |
461 | case SSL_ERROR_WANT_WRITE: | |
462 | { | |
463 | F->ssl_errno = get_last_err(); | |
464 | rb_setselect(F, RB_SELECT_READ | RB_SELECT_WRITE, | |
465 | rb_ssl_tryconn_cb, sconn); | |
466 | return; | |
467 | } | |
468 | default: | |
469 | F->ssl_errno = get_last_err(); | |
470 | rb_ssl_connect_realcb(F, RB_ERROR_SSL, sconn); | |
471 | return; | |
472 | } | |
473 | } | |
474 | else | |
475 | { | |
476 | rb_ssl_connect_realcb(F, RB_OK, sconn); | |
477 | } | |
478 | } | |
479 | ||
480 | void | |
481 | rb_connect_tcp_ssl(rb_fde_t * F, struct sockaddr *dest, | |
482 | struct sockaddr *clocal, int socklen, CNCB * callback, void *data, int timeout) | |
483 | { | |
484 | struct ssl_connect *sconn; | |
485 | if(F == NULL) | |
486 | return; | |
487 | ||
488 | sconn = rb_malloc(sizeof(struct ssl_connect)); | |
489 | sconn->data = data; | |
490 | sconn->callback = callback; | |
491 | sconn->timeout = timeout; | |
492 | rb_connect_tcp(F, dest, clocal, socklen, rb_ssl_tryconn, sconn, timeout); | |
493 | ||
494 | } | |
495 | ||
496 | void | |
497 | rb_ssl_start_connected(rb_fde_t * F, CNCB * callback, void *data, int timeout) | |
498 | { | |
499 | struct ssl_connect *sconn; | |
500 | int ssl_err; | |
501 | if(F == NULL) | |
502 | return; | |
503 | ||
504 | sconn = rb_malloc(sizeof(struct ssl_connect)); | |
505 | sconn->data = data; | |
506 | sconn->callback = callback; | |
507 | sconn->timeout = timeout; | |
508 | F->connect = rb_malloc(sizeof(struct conndata)); | |
509 | F->connect->callback = callback; | |
510 | F->connect->data = data; | |
511 | F->type |= RB_FD_SSL; | |
512 | F->ssl = SSL_new(ssl_client_ctx); | |
513 | ||
514 | SSL_set_fd((SSL *) F->ssl, F->fd); | |
c2ac22cc | 515 | rb_setup_ssl_cb(F); |
db137867 AC |
516 | rb_settimeout(F, sconn->timeout, rb_ssl_tryconn_timeout_cb, sconn); |
517 | if((ssl_err = SSL_connect((SSL *) F->ssl)) <= 0) | |
518 | { | |
519 | switch (ssl_err = SSL_get_error((SSL *) F->ssl, ssl_err)) | |
520 | { | |
521 | case SSL_ERROR_SYSCALL: | |
522 | if(rb_ignore_errno(errno)) | |
523 | case SSL_ERROR_WANT_READ: | |
524 | case SSL_ERROR_WANT_WRITE: | |
525 | { | |
526 | F->ssl_errno = get_last_err(); | |
527 | rb_setselect(F, RB_SELECT_READ | RB_SELECT_WRITE, | |
528 | rb_ssl_tryconn_cb, sconn); | |
529 | return; | |
530 | } | |
531 | default: | |
532 | F->ssl_errno = get_last_err(); | |
533 | rb_ssl_connect_realcb(F, RB_ERROR_SSL, sconn); | |
534 | return; | |
535 | } | |
536 | } | |
537 | else | |
538 | { | |
539 | rb_ssl_connect_realcb(F, RB_OK, sconn); | |
540 | } | |
541 | } | |
542 | ||
543 | int | |
544 | rb_init_prng(const char *path, prng_seed_t seed_type) | |
545 | { | |
546 | if(seed_type == RB_PRNG_DEFAULT) | |
547 | { | |
548 | #ifdef WIN32 | |
549 | RAND_screen(); | |
550 | #endif | |
551 | return RAND_status(); | |
552 | } | |
553 | if(path == NULL) | |
554 | return RAND_status(); | |
555 | ||
556 | switch (seed_type) | |
557 | { | |
558 | case RB_PRNG_EGD: | |
559 | if(RAND_egd(path) == -1) | |
560 | return -1; | |
561 | break; | |
562 | case RB_PRNG_FILE: | |
563 | if(RAND_load_file(path, -1) == -1) | |
564 | return -1; | |
565 | break; | |
566 | #ifdef WIN32 | |
567 | case RB_PRNGWIN32: | |
568 | RAND_screen(); | |
569 | break; | |
570 | #endif | |
571 | default: | |
572 | return -1; | |
573 | } | |
574 | ||
575 | return RAND_status(); | |
576 | } | |
577 | ||
578 | int | |
579 | rb_get_random(void *buf, size_t length) | |
580 | { | |
581 | if(RAND_status()) | |
582 | { | |
583 | if(RAND_bytes(buf, length) > 0) | |
584 | return 1; | |
585 | } | |
586 | else | |
587 | { | |
588 | if(RAND_pseudo_bytes(buf, length) >= 0) | |
589 | return 1; | |
590 | } | |
591 | return 0; | |
592 | } | |
593 | ||
594 | ||
595 | const char * | |
596 | rb_get_ssl_strerror(rb_fde_t * F) | |
597 | { | |
598 | return ERR_error_string(F->ssl_errno, NULL); | |
599 | } | |
600 | ||
601 | int | |
602 | rb_supports_ssl(void) | |
603 | { | |
604 | return 1; | |
605 | } | |
606 | ||
607 | #endif /* HAVE_OPESSL */ |