1 | /* ==================================================================== |
---|
2 | * Copyright 2004 Paul Querna |
---|
3 | * |
---|
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
---|
5 | * you may not use this file except in compliance with the License. |
---|
6 | * You may obtain a copy of the License at |
---|
7 | * |
---|
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
---|
9 | * |
---|
10 | * Unless required by applicable law or agreed to in writing, software |
---|
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
---|
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
---|
13 | * See the License for the specific language governing permissions and |
---|
14 | * limitations under the License. |
---|
15 | * |
---|
16 | */ |
---|
17 | |
---|
18 | #include "httpd.h" |
---|
19 | #include "http_config.h" |
---|
20 | #include "http_protocol.h" |
---|
21 | #include "http_connection.h" |
---|
22 | #include "http_core.h" |
---|
23 | #include "http_log.h" |
---|
24 | #include "apr_buckets.h" |
---|
25 | #include "apr_strings.h" |
---|
26 | #include "apr_tables.h" |
---|
27 | |
---|
28 | #include <gcrypt.h> |
---|
29 | #include <gnutls/gnutls.h> |
---|
30 | |
---|
31 | #if APR_HAS_THREADS |
---|
32 | GCRY_THREAD_OPTION_PTHREAD_IMPL; |
---|
33 | #endif |
---|
34 | |
---|
35 | module AP_MODULE_DECLARE_DATA gnutls_module; |
---|
36 | |
---|
37 | #ifdef GNUTLS_AS_FILTER |
---|
38 | #define GNUTLS_OUTPUT_FILTER_NAME "GnuTLS Output Filter" |
---|
39 | #define GNUTLS_INPUT_FILTER_NAME "GnuTLS Input Filter" |
---|
40 | #endif |
---|
41 | |
---|
42 | #define GNUTLS_ENABLED_FALSE 0 |
---|
43 | #define GNUTLS_ENABLED_TRUE 1 |
---|
44 | |
---|
45 | |
---|
46 | typedef struct { |
---|
47 | gnutls_certificate_credentials_t certs; |
---|
48 | gnutls_anon_server_credentials_t anoncred; |
---|
49 | char *key_file; |
---|
50 | char *cert_file; |
---|
51 | int enabled; |
---|
52 | int non_https; |
---|
53 | int ciphers[16]; |
---|
54 | int key_exchange[16]; |
---|
55 | int macs[16]; |
---|
56 | int protocol[16]; |
---|
57 | int compression[16]; |
---|
58 | } gnutls_srvconf_rec; |
---|
59 | |
---|
60 | typedef struct gnutls_handle_t gnutls_handle_t; |
---|
61 | struct gnutls_handle_t |
---|
62 | { |
---|
63 | gnutls_srvconf_rec *sc; |
---|
64 | gnutls_session_t session; |
---|
65 | #ifdef GNUTLS_AS_FILTER |
---|
66 | ap_filter_t *input_filter; |
---|
67 | apr_bucket_brigade *input_bb; |
---|
68 | apr_read_type_e input_block; |
---|
69 | #endif |
---|
70 | }; |
---|
71 | |
---|
72 | #ifdef GNUTLS_AS_FILTER |
---|
73 | static apr_status_t gnutls_filter_input(ap_filter_t * f, |
---|
74 | apr_bucket_brigade * bb, |
---|
75 | ap_input_mode_t mode, |
---|
76 | apr_read_type_e block, |
---|
77 | apr_off_t readbytes) |
---|
78 | { |
---|
79 | apr_status_t status = APR_SUCCESS; |
---|
80 | gnutls_handle_t *ctxt = (gnutls_handle_t *) f->ctx; |
---|
81 | |
---|
82 | if (f->c->aborted) { |
---|
83 | apr_bucket *bucket = apr_bucket_eos_create(f->c->bucket_alloc); |
---|
84 | APR_BRIGADE_INSERT_TAIL(bb, bucket); |
---|
85 | return APR_ECONNABORTED; |
---|
86 | } |
---|
87 | |
---|
88 | return status; |
---|
89 | } |
---|
90 | |
---|
91 | static apr_status_t gnutls_filter_output(ap_filter_t * f, |
---|
92 | apr_bucket_brigade * bb) |
---|
93 | { |
---|
94 | apr_bucket *b; |
---|
95 | const char *buf = 0; |
---|
96 | apr_size_t bytes = 0; |
---|
97 | gnutls_handle_t *ctxt = (gnutls_handle_t *) f->ctx; |
---|
98 | apr_status_t status = APR_SUCCESS; |
---|
99 | |
---|
100 | if (!ctxt) { |
---|
101 | /* first run. */ |
---|
102 | } |
---|
103 | |
---|
104 | for (b = APR_BRIGADE_FIRST(bb); |
---|
105 | b != APR_BRIGADE_SENTINEL(bb); b = APR_BUCKET_NEXT(b)) { |
---|
106 | if (APR_BUCKET_IS_EOS(b)) { |
---|
107 | /* end of connection */ |
---|
108 | } |
---|
109 | else if (apr_bucket_read(b, &buf, &bytes, APR_BLOCK_READ) |
---|
110 | == APR_SUCCESS) { |
---|
111 | /* more data */ |
---|
112 | } |
---|
113 | } |
---|
114 | |
---|
115 | return status; |
---|
116 | } |
---|
117 | |
---|
118 | #endif /* GNUTLS_AS_FILTER */ |
---|
119 | |
---|
120 | static apr_status_t gnutls_cleanup_pre_config(void *data) |
---|
121 | { |
---|
122 | gnutls_global_deinit(); |
---|
123 | return APR_SUCCESS; |
---|
124 | } |
---|
125 | |
---|
126 | static int gnutls_hook_pre_config(apr_pool_t * pconf, |
---|
127 | apr_pool_t * plog, apr_pool_t * ptemp) |
---|
128 | { |
---|
129 | |
---|
130 | #if APR_HAS_THREADS |
---|
131 | gcry_control(GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread); |
---|
132 | #endif |
---|
133 | |
---|
134 | gnutls_global_init(); |
---|
135 | |
---|
136 | apr_pool_cleanup_register(pconf, NULL, gnutls_cleanup_pre_config, |
---|
137 | apr_pool_cleanup_null); |
---|
138 | |
---|
139 | return OK; |
---|
140 | } |
---|
141 | |
---|
142 | #define DH_BITS 1024 |
---|
143 | #define RSA_BITS 512 |
---|
144 | |
---|
145 | static int gnutls_hook_post_config(apr_pool_t * p, apr_pool_t * plog, |
---|
146 | apr_pool_t * ptemp, |
---|
147 | server_rec * base_server) |
---|
148 | { |
---|
149 | gnutls_srvconf_rec *sc; |
---|
150 | server_rec *s; |
---|
151 | gnutls_dh_params_t dh_params; |
---|
152 | gnutls_rsa_params_t rsa_params; |
---|
153 | |
---|
154 | |
---|
155 | /* TODO: Should we regenerate these after X requests / X time ? */ |
---|
156 | // gnutls_dh_params_init(&dh_params); |
---|
157 | // gnutls_dh_params_generate2(dh_params, DH_BITS); |
---|
158 | // gnutls_rsa_params_init(&rsa_params); |
---|
159 | // gnutls_rsa_params_generate2(rsa_params, RSA_BITS); |
---|
160 | |
---|
161 | for (s = base_server; s; s = s->next) { |
---|
162 | sc = (gnutls_srvconf_rec *) ap_get_module_config(s->module_config, |
---|
163 | &gnutls_module); |
---|
164 | if (sc->cert_file != NULL && sc->key_file != NULL) { |
---|
165 | gnutls_certificate_set_x509_key_file(sc->certs, sc->cert_file, |
---|
166 | sc->key_file, |
---|
167 | GNUTLS_X509_FMT_PEM); |
---|
168 | // gnutls_certificate_set_rsa_export_params(sc->certs, rsa_params); |
---|
169 | // gnutls_certificate_set_dh_params(sc->certs, dh_params); |
---|
170 | } |
---|
171 | else if(sc->enabled == GNUTLS_ENABLED_TRUE ){ |
---|
172 | ap_log_error(APLOG_MARK, APLOG_EMERG, 0, s, |
---|
173 | "[GnuTLS] - Host '%s:%d' is missing a Cert and Key File!", |
---|
174 | s->server_hostname, s->port); |
---|
175 | } |
---|
176 | } |
---|
177 | |
---|
178 | |
---|
179 | ap_add_version_component(p, "GnuTLS/" LIBGNUTLS_VERSION); |
---|
180 | return OK; |
---|
181 | } |
---|
182 | |
---|
183 | static const char *gnutls_hook_http_method(const request_rec * r) |
---|
184 | { |
---|
185 | gnutls_srvconf_rec *sc = |
---|
186 | (gnutls_srvconf_rec *) ap_get_module_config(r->server->module_config, |
---|
187 | &gnutls_module); |
---|
188 | |
---|
189 | if (sc->enabled == GNUTLS_ENABLED_FALSE) { |
---|
190 | return NULL; |
---|
191 | } |
---|
192 | |
---|
193 | return "https"; |
---|
194 | } |
---|
195 | |
---|
196 | static apr_port_t gnutls_hook_default_port(const request_rec * r) |
---|
197 | { |
---|
198 | gnutls_srvconf_rec *sc = |
---|
199 | (gnutls_srvconf_rec *) ap_get_module_config(r->server->module_config, |
---|
200 | &gnutls_module); |
---|
201 | |
---|
202 | if (sc->enabled == GNUTLS_ENABLED_FALSE) { |
---|
203 | return 0; |
---|
204 | } |
---|
205 | |
---|
206 | return 443; |
---|
207 | } |
---|
208 | |
---|
209 | #ifdef GNUTLS_AS_FILTER |
---|
210 | /** |
---|
211 | * From mod_ssl / ssl_engine_io.c |
---|
212 | * This function will read from a brigade and discard the read buckets as it |
---|
213 | * proceeds. It will read at most *len bytes. |
---|
214 | */ |
---|
215 | static apr_status_t brigade_consume(apr_bucket_brigade * bb, |
---|
216 | apr_read_type_e block, |
---|
217 | char *c, apr_size_t * len) |
---|
218 | { |
---|
219 | apr_size_t actual = 0; |
---|
220 | apr_status_t status = APR_SUCCESS; |
---|
221 | |
---|
222 | while (!APR_BRIGADE_EMPTY(bb)) { |
---|
223 | apr_bucket *b = APR_BRIGADE_FIRST(bb); |
---|
224 | const char *str; |
---|
225 | apr_size_t str_len; |
---|
226 | apr_size_t consume; |
---|
227 | |
---|
228 | /* Justin points out this is an http-ism that might |
---|
229 | * not fit if brigade_consume is added to APR. Perhaps |
---|
230 | * apr_bucket_read(eos_bucket) should return APR_EOF? |
---|
231 | * Then this becomes mainline instead of a one-off. |
---|
232 | */ |
---|
233 | if (APR_BUCKET_IS_EOS(b)) { |
---|
234 | status = APR_EOF; |
---|
235 | break; |
---|
236 | } |
---|
237 | |
---|
238 | /* The reason I'm not offering brigade_consume yet |
---|
239 | * across to apr-util is that the following call |
---|
240 | * illustrates how borked that API really is. For |
---|
241 | * this sort of case (caller provided buffer) it |
---|
242 | * would be much more trivial for apr_bucket_consume |
---|
243 | * to do all the work that follows, based on the |
---|
244 | * particular characteristics of the bucket we are |
---|
245 | * consuming here. |
---|
246 | */ |
---|
247 | status = apr_bucket_read(b, &str, &str_len, block); |
---|
248 | |
---|
249 | if (status != APR_SUCCESS) { |
---|
250 | if (APR_STATUS_IS_EOF(status)) { |
---|
251 | /* This stream bucket was consumed */ |
---|
252 | apr_bucket_delete(b); |
---|
253 | continue; |
---|
254 | } |
---|
255 | break; |
---|
256 | } |
---|
257 | |
---|
258 | if (str_len > 0) { |
---|
259 | /* Do not block once some data has been consumed */ |
---|
260 | block = APR_NONBLOCK_READ; |
---|
261 | |
---|
262 | /* Assure we don't overflow. */ |
---|
263 | consume = (str_len + actual > *len) ? *len - actual : str_len; |
---|
264 | |
---|
265 | memcpy(c, str, consume); |
---|
266 | |
---|
267 | c += consume; |
---|
268 | actual += consume; |
---|
269 | |
---|
270 | if (consume >= b->length) { |
---|
271 | /* This physical bucket was consumed */ |
---|
272 | apr_bucket_delete(b); |
---|
273 | } |
---|
274 | else { |
---|
275 | /* Only part of this physical bucket was consumed */ |
---|
276 | b->start += consume; |
---|
277 | b->length -= consume; |
---|
278 | } |
---|
279 | } |
---|
280 | else if (b->length == 0) { |
---|
281 | apr_bucket_delete(b); |
---|
282 | } |
---|
283 | |
---|
284 | /* This could probably be actual == *len, but be safe from stray |
---|
285 | * photons. */ |
---|
286 | if (actual >= *len) { |
---|
287 | break; |
---|
288 | } |
---|
289 | } |
---|
290 | |
---|
291 | *len = actual; |
---|
292 | return status; |
---|
293 | } |
---|
294 | |
---|
295 | |
---|
296 | static ssize_t gnutls_transport_read(gnutls_transport_ptr_t ptr, |
---|
297 | void *buffer, size_t len) |
---|
298 | { |
---|
299 | gnutls_handle_t *ctxt = ptr; |
---|
300 | apr_status_t rc; |
---|
301 | apr_size_t in = len; |
---|
302 | /* If Len = 0, we don't do anything. */ |
---|
303 | if (!len) |
---|
304 | return 0; |
---|
305 | |
---|
306 | if (APR_BRIGADE_EMPTY(ctxt->input_bb)) { |
---|
307 | |
---|
308 | rc = ap_get_brigade(ctxt->input_filter->next, ctxt->input_bb, |
---|
309 | AP_MODE_READBYTES, ctxt->input_block, in); |
---|
310 | |
---|
311 | /* Not a problem, there was simply no data ready yet. |
---|
312 | */ |
---|
313 | if (APR_STATUS_IS_EAGAIN(rc) || APR_STATUS_IS_EINTR(rc) |
---|
314 | || (rc == APR_SUCCESS && APR_BRIGADE_EMPTY(ctxt->input_bb))) { |
---|
315 | return 0; |
---|
316 | } |
---|
317 | |
---|
318 | if (rc != APR_SUCCESS) { |
---|
319 | /* Unexpected errors discard the brigade */ |
---|
320 | apr_brigade_cleanup(ctxt->input_bb); |
---|
321 | ctxt->input_bb = NULL; |
---|
322 | return -1; |
---|
323 | } |
---|
324 | } |
---|
325 | |
---|
326 | // brigade_consume(ctxt->input_bb, ctxt->input_block, buffer, &len); |
---|
327 | |
---|
328 | |
---|
329 | ap_get_brigade(ctxt->input_filter->next, ctxt->input_bb, |
---|
330 | AP_MODE_READBYTES, ctxt->input_block, len); |
---|
331 | |
---|
332 | return len; |
---|
333 | } |
---|
334 | |
---|
335 | static ssize_t gnutls_transport_write(gnutls_transport_ptr_t ptr, |
---|
336 | const void *buffer, size_t len) |
---|
337 | { |
---|
338 | gnutls_handle_t *ctxt = ptr; |
---|
339 | |
---|
340 | // apr_bucket *bucket = apr_bucket_transient_create(in, inl, |
---|
341 | // outctx->bb-> |
---|
342 | // bucket_alloc); |
---|
343 | |
---|
344 | // outctx->length += inl; |
---|
345 | //APR_BRIGADE_INSERT_TAIL(outctx->bb, bucket); |
---|
346 | return 0; |
---|
347 | } |
---|
348 | #endif /* GNUTLS_AS_FILTER */ |
---|
349 | |
---|
350 | static int gnutls_hook_pre_connection(conn_rec * c, void *csd) |
---|
351 | { |
---|
352 | #ifndef GNUTLS_AS_FILTER |
---|
353 | int cfd; |
---|
354 | int ret; |
---|
355 | #endif |
---|
356 | gnutls_handle_t *ctxt; |
---|
357 | gnutls_srvconf_rec *sc = |
---|
358 | (gnutls_srvconf_rec *) ap_get_module_config(c->base_server-> |
---|
359 | module_config, |
---|
360 | &gnutls_module); |
---|
361 | |
---|
362 | if (!(sc && (sc->enabled == GNUTLS_ENABLED_TRUE))) { |
---|
363 | return DECLINED; |
---|
364 | } |
---|
365 | |
---|
366 | ctxt = apr_pcalloc(c->pool, sizeof(*ctxt)); |
---|
367 | |
---|
368 | ctxt->sc = sc; |
---|
369 | gnutls_init(&ctxt->session, GNUTLS_SERVER); |
---|
370 | |
---|
371 | gnutls_cipher_set_priority(ctxt->session, sc->ciphers); |
---|
372 | gnutls_compression_set_priority(ctxt->session, sc->compression); |
---|
373 | gnutls_kx_set_priority(ctxt->session, sc->key_exchange); |
---|
374 | gnutls_protocol_set_priority(ctxt->session, sc->protocol); |
---|
375 | gnutls_mac_set_priority(ctxt->session, sc->macs); |
---|
376 | |
---|
377 | gnutls_credentials_set(ctxt->session, GNUTLS_CRD_CERTIFICATE, sc->certs); |
---|
378 | gnutls_certificate_server_set_request(ctxt->session, GNUTLS_CERT_IGNORE); |
---|
379 | |
---|
380 | // gnutls_dh_set_prime_bits(ctxt->session, DH_BITS); |
---|
381 | |
---|
382 | |
---|
383 | ap_set_module_config(c->conn_config, &gnutls_module, ctxt); |
---|
384 | |
---|
385 | #ifdef GNUTLS_AS_FILTER |
---|
386 | gnutls_transport_set_pull_function(ctxt->session, gnutls_transport_read); |
---|
387 | gnutls_transport_set_push_function(ctxt->session, gnutls_transport_write); |
---|
388 | gnutls_transport_set_ptr(ctxt->session, ctxt); |
---|
389 | |
---|
390 | ap_add_input_filter(GNUTLS_INPUT_FILTER_NAME, ctxt, NULL, c); |
---|
391 | ap_add_output_filter(GNUTLS_OUTPUT_FILTER_NAME, ctxt, NULL, c); |
---|
392 | #else |
---|
393 | apr_os_sock_get(&cfd, csd); |
---|
394 | gnutls_transport_set_ptr(ctxt->session, (gnutls_transport_ptr)cfd); |
---|
395 | gnutls_credentials_set(ctxt->session, GNUTLS_CRD_ANON, sc->anoncred); |
---|
396 | |
---|
397 | do{ |
---|
398 | ret = gnutls_handshake(ctxt->session); |
---|
399 | |
---|
400 | if(ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN){ |
---|
401 | continue; |
---|
402 | } |
---|
403 | |
---|
404 | if (ret < 0) { |
---|
405 | if (ret == GNUTLS_E_WARNING_ALERT_RECEIVED || ret == GNUTLS_E_FATAL_ALERT_RECEIVED) { |
---|
406 | ret = gnutls_alert_get(ctxt->session); |
---|
407 | ap_log_error(APLOG_MARK, APLOG_ERR, 0, c->base_server, |
---|
408 | "GnuTLS: Hanshake Alert (%d) '%s'.\n", ret, gnutls_alert_get_name(ret)); |
---|
409 | } |
---|
410 | |
---|
411 | if (gnutls_error_is_fatal(ret) != 0) { |
---|
412 | gnutls_deinit(ctxt->session); |
---|
413 | ap_log_error(APLOG_MARK, APLOG_ERR, 0, c->base_server, |
---|
414 | "GnuTLS: Handshake Failed (%d) '%s'",ret, gnutls_strerror(ret)); |
---|
415 | sc->non_https = 1; |
---|
416 | break; |
---|
417 | } |
---|
418 | } |
---|
419 | break; /* all done with the handshake */ |
---|
420 | } while(1); |
---|
421 | #endif |
---|
422 | return OK; |
---|
423 | } |
---|
424 | |
---|
425 | static const char *gnutls_set_cert_file(cmd_parms * parms, void *dummy, |
---|
426 | const char *arg) |
---|
427 | { |
---|
428 | gnutls_srvconf_rec *sc = |
---|
429 | (gnutls_srvconf_rec *) ap_get_module_config(parms->server-> |
---|
430 | module_config, |
---|
431 | &gnutls_module); |
---|
432 | sc->cert_file = apr_pstrdup(parms->pool, arg); |
---|
433 | return NULL; |
---|
434 | } |
---|
435 | |
---|
436 | static const char *gnutls_set_key_file(cmd_parms * parms, void *dummy, |
---|
437 | const char *arg) |
---|
438 | { |
---|
439 | gnutls_srvconf_rec *sc = |
---|
440 | (gnutls_srvconf_rec *) ap_get_module_config(parms->server-> |
---|
441 | module_config, |
---|
442 | &gnutls_module); |
---|
443 | sc->key_file = apr_pstrdup(parms->pool, arg); |
---|
444 | return NULL; |
---|
445 | } |
---|
446 | |
---|
447 | static const char *gnutls_set_enabled(cmd_parms * parms, void *dummy, |
---|
448 | const char *arg) |
---|
449 | { |
---|
450 | gnutls_srvconf_rec *sc = |
---|
451 | (gnutls_srvconf_rec *) ap_get_module_config(parms->server-> |
---|
452 | module_config, |
---|
453 | &gnutls_module); |
---|
454 | if (!strcasecmp(arg, "On")) { |
---|
455 | sc->enabled = GNUTLS_ENABLED_TRUE; |
---|
456 | } |
---|
457 | else if (!strcasecmp(arg, "Off")) { |
---|
458 | sc->enabled = GNUTLS_ENABLED_FALSE; |
---|
459 | } |
---|
460 | else { |
---|
461 | return "GnuTLSEnable must be set to 'On' or 'Off'"; |
---|
462 | } |
---|
463 | |
---|
464 | return NULL; |
---|
465 | } |
---|
466 | |
---|
467 | static const command_rec gnutls_cmds[] = { |
---|
468 | AP_INIT_TAKE1("GnuTLSCertificateFile", gnutls_set_cert_file, |
---|
469 | NULL, |
---|
470 | RSRC_CONF, |
---|
471 | "SSL Server Key file"), |
---|
472 | AP_INIT_TAKE1("GnuTLSKeyFile", gnutls_set_key_file, |
---|
473 | NULL, |
---|
474 | RSRC_CONF, |
---|
475 | "SSL Server Certificate file"), |
---|
476 | AP_INIT_TAKE1("GnuTLSEnable", gnutls_set_enabled, |
---|
477 | NULL, RSRC_CONF, |
---|
478 | "Whether this server has GnuTLS Enabled. Default: Off"), |
---|
479 | |
---|
480 | {NULL} |
---|
481 | }; |
---|
482 | |
---|
483 | /* TODO: CACertificateFile & Client Authentication |
---|
484 | * AP_INIT_TAKE1("GnuTLSCACertificateFile", ap_set_server_string_slot, |
---|
485 | * (void *) APR_OFFSETOF(gnutls_srvconf_rec, key_file), NULL, |
---|
486 | * RSRC_CONF, |
---|
487 | * "CA"), |
---|
488 | */ |
---|
489 | |
---|
490 | static void gnutls_hooks(apr_pool_t * p) |
---|
491 | { |
---|
492 | ap_hook_pre_connection(gnutls_hook_pre_connection, NULL, NULL, |
---|
493 | APR_HOOK_MIDDLE); |
---|
494 | ap_hook_post_config(gnutls_hook_post_config, NULL, NULL, APR_HOOK_MIDDLE); |
---|
495 | ap_hook_http_method(gnutls_hook_http_method, NULL, NULL, APR_HOOK_MIDDLE); |
---|
496 | ap_hook_default_port(gnutls_hook_default_port, NULL, NULL, |
---|
497 | APR_HOOK_MIDDLE); |
---|
498 | ap_hook_pre_config(gnutls_hook_pre_config, NULL, NULL, APR_HOOK_MIDDLE); |
---|
499 | |
---|
500 | /* TODO: HTTP Upgrade Filter */ |
---|
501 | /* ap_register_output_filter ("UPGRADE_FILTER", |
---|
502 | * ssl_io_filter_Upgrade, NULL, AP_FTYPE_PROTOCOL + 5); |
---|
503 | */ |
---|
504 | #ifdef GNUTLS_AS_FILTER |
---|
505 | ap_register_input_filter(GNUTLS_INPUT_FILTER_NAME, gnutls_filter_input, |
---|
506 | NULL, AP_FTYPE_CONNECTION + 5); |
---|
507 | ap_register_output_filter(GNUTLS_OUTPUT_FILTER_NAME, gnutls_filter_output, |
---|
508 | NULL, AP_FTYPE_CONNECTION + 5); |
---|
509 | #endif |
---|
510 | } |
---|
511 | |
---|
512 | static void *gnutls_config_server_create(apr_pool_t * p, server_rec * s) |
---|
513 | { |
---|
514 | int i; |
---|
515 | gnutls_srvconf_rec *sc = apr_pcalloc(p, sizeof(*sc)); |
---|
516 | |
---|
517 | sc->enabled = GNUTLS_ENABLED_FALSE; |
---|
518 | sc->non_https = 0; |
---|
519 | |
---|
520 | gnutls_certificate_allocate_credentials(&sc->certs); |
---|
521 | gnutls_anon_allocate_server_credentials(&sc->anoncred); |
---|
522 | sc->key_file = NULL; |
---|
523 | sc->cert_file = NULL; |
---|
524 | |
---|
525 | i = 0; |
---|
526 | sc->ciphers[i++] = GNUTLS_CIPHER_RIJNDAEL_128_CBC; |
---|
527 | sc->ciphers[i++] = GNUTLS_CIPHER_ARCFOUR_128; |
---|
528 | sc->ciphers[i++] = GNUTLS_CIPHER_3DES_CBC; |
---|
529 | sc->ciphers[i++] = GNUTLS_CIPHER_ARCFOUR_40; |
---|
530 | sc->ciphers[i] = 0; |
---|
531 | |
---|
532 | i = 0; |
---|
533 | sc->key_exchange[i++] = GNUTLS_KX_RSA; |
---|
534 | sc->key_exchange[i++] = GNUTLS_KX_RSA_EXPORT; |
---|
535 | sc->key_exchange[i++] = GNUTLS_KX_DHE_RSA; |
---|
536 | sc->key_exchange[i++] = GNUTLS_KX_DHE_DSS; |
---|
537 | sc->key_exchange[i] = 0; |
---|
538 | |
---|
539 | i = 0; |
---|
540 | sc->macs[i++] = GNUTLS_MAC_MD5; |
---|
541 | sc->macs[i++] = GNUTLS_MAC_SHA; |
---|
542 | sc->macs[i++] = GNUTLS_MAC_RMD160; |
---|
543 | sc->macs[i] = 0; |
---|
544 | |
---|
545 | i = 0; |
---|
546 | sc->protocol[i++] = GNUTLS_TLS1_1; |
---|
547 | sc->protocol[i++] = GNUTLS_TLS1; |
---|
548 | sc->protocol[i++] = GNUTLS_SSL3; |
---|
549 | sc->protocol[i] = 0; |
---|
550 | |
---|
551 | i = 0; |
---|
552 | sc->compression[i++] = GNUTLS_COMP_NULL; |
---|
553 | sc->compression[i++] = GNUTLS_COMP_ZLIB; |
---|
554 | sc->compression[i++] = GNUTLS_COMP_LZO; |
---|
555 | sc->compression[i] = 0; |
---|
556 | |
---|
557 | return sc; |
---|
558 | } |
---|
559 | |
---|
560 | |
---|
561 | |
---|
562 | module AP_MODULE_DECLARE_DATA gnutls_module = { |
---|
563 | STANDARD20_MODULE_STUFF, |
---|
564 | NULL, |
---|
565 | NULL, |
---|
566 | gnutls_config_server_create, |
---|
567 | NULL, |
---|
568 | /* gnutls_config_server_merge, */ |
---|
569 | gnutls_cmds, |
---|
570 | gnutls_hooks |
---|
571 | }; |
---|