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85bcbc78 DB |
1 | /* |
2 | * QEMU crypto TLS x509 credential support | |
3 | * | |
4 | * Copyright (c) 2015 Red Hat, Inc. | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
b7cbb874 | 9 | * version 2.1 of the License, or (at your option) any later version. |
85bcbc78 DB |
10 | * |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
18 | * | |
19 | */ | |
20 | ||
42f7a448 | 21 | #include "qemu/osdep.h" |
85bcbc78 | 22 | #include "crypto/tlscredsx509.h" |
986bc8de | 23 | #include "tlscredspriv.h" |
1d7b5b4a | 24 | #include "crypto/secret.h" |
da34e65c | 25 | #include "qapi/error.h" |
0b8fa32f | 26 | #include "qemu/module.h" |
85bcbc78 DB |
27 | #include "qom/object_interfaces.h" |
28 | #include "trace.h" | |
29 | ||
30 | ||
31 | #ifdef CONFIG_GNUTLS | |
32 | ||
9a2fd434 DB |
33 | #include <gnutls/x509.h> |
34 | ||
35 | ||
36 | static int | |
37 | qcrypto_tls_creds_check_cert_times(gnutls_x509_crt_t cert, | |
38 | const char *certFile, | |
39 | bool isServer, | |
40 | bool isCA, | |
41 | Error **errp) | |
42 | { | |
43 | time_t now = time(NULL); | |
44 | ||
45 | if (now == ((time_t)-1)) { | |
46 | error_setg_errno(errp, errno, "cannot get current time"); | |
47 | return -1; | |
48 | } | |
49 | ||
50 | if (gnutls_x509_crt_get_expiration_time(cert) < now) { | |
51 | error_setg(errp, | |
52 | (isCA ? | |
53 | "The CA certificate %s has expired" : | |
54 | (isServer ? | |
55 | "The server certificate %s has expired" : | |
56 | "The client certificate %s has expired")), | |
57 | certFile); | |
58 | return -1; | |
59 | } | |
60 | ||
61 | if (gnutls_x509_crt_get_activation_time(cert) > now) { | |
62 | error_setg(errp, | |
63 | (isCA ? | |
64 | "The CA certificate %s is not yet active" : | |
65 | (isServer ? | |
66 | "The server certificate %s is not yet active" : | |
67 | "The client certificate %s is not yet active")), | |
68 | certFile); | |
69 | return -1; | |
70 | } | |
71 | ||
72 | return 0; | |
73 | } | |
74 | ||
75 | ||
9a2fd434 DB |
76 | static int |
77 | qcrypto_tls_creds_check_cert_basic_constraints(QCryptoTLSCredsX509 *creds, | |
78 | gnutls_x509_crt_t cert, | |
79 | const char *certFile, | |
80 | bool isServer, | |
81 | bool isCA, | |
82 | Error **errp) | |
83 | { | |
84 | int status; | |
85 | ||
86 | status = gnutls_x509_crt_get_basic_constraints(cert, NULL, NULL, NULL); | |
87 | trace_qcrypto_tls_creds_x509_check_basic_constraints( | |
88 | creds, certFile, status); | |
89 | ||
90 | if (status > 0) { /* It is a CA cert */ | |
91 | if (!isCA) { | |
92 | error_setg(errp, isServer ? | |
93 | "The certificate %s basic constraints show a CA, " | |
94 | "but we need one for a server" : | |
95 | "The certificate %s basic constraints show a CA, " | |
96 | "but we need one for a client", | |
97 | certFile); | |
98 | return -1; | |
99 | } | |
100 | } else if (status == 0) { /* It is not a CA cert */ | |
101 | if (isCA) { | |
102 | error_setg(errp, | |
103 | "The certificate %s basic constraints do not " | |
104 | "show a CA", | |
105 | certFile); | |
106 | return -1; | |
107 | } | |
108 | } else if (status == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) { | |
109 | /* Missing basicConstraints */ | |
110 | if (isCA) { | |
111 | error_setg(errp, | |
112 | "The certificate %s is missing basic constraints " | |
113 | "for a CA", | |
114 | certFile); | |
115 | return -1; | |
116 | } | |
117 | } else { /* General error */ | |
118 | error_setg(errp, | |
119 | "Unable to query certificate %s basic constraints: %s", | |
120 | certFile, gnutls_strerror(status)); | |
121 | return -1; | |
122 | } | |
123 | ||
124 | return 0; | |
125 | } | |
9a2fd434 DB |
126 | |
127 | ||
128 | static int | |
129 | qcrypto_tls_creds_check_cert_key_usage(QCryptoTLSCredsX509 *creds, | |
130 | gnutls_x509_crt_t cert, | |
131 | const char *certFile, | |
132 | bool isCA, | |
133 | Error **errp) | |
134 | { | |
135 | int status; | |
136 | unsigned int usage = 0; | |
137 | unsigned int critical = 0; | |
138 | ||
139 | status = gnutls_x509_crt_get_key_usage(cert, &usage, &critical); | |
140 | trace_qcrypto_tls_creds_x509_check_key_usage( | |
141 | creds, certFile, status, usage, critical); | |
142 | ||
143 | if (status < 0) { | |
144 | if (status == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) { | |
145 | usage = isCA ? GNUTLS_KEY_KEY_CERT_SIGN : | |
8573431b | 146 | GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT; |
9a2fd434 DB |
147 | } else { |
148 | error_setg(errp, | |
149 | "Unable to query certificate %s key usage: %s", | |
150 | certFile, gnutls_strerror(status)); | |
151 | return -1; | |
152 | } | |
153 | } | |
154 | ||
155 | if (isCA) { | |
156 | if (!(usage & GNUTLS_KEY_KEY_CERT_SIGN)) { | |
157 | if (critical) { | |
158 | error_setg(errp, | |
159 | "Certificate %s usage does not permit " | |
160 | "certificate signing", certFile); | |
161 | return -1; | |
162 | } | |
163 | } | |
164 | } else { | |
165 | if (!(usage & GNUTLS_KEY_DIGITAL_SIGNATURE)) { | |
166 | if (critical) { | |
167 | error_setg(errp, | |
168 | "Certificate %s usage does not permit digital " | |
169 | "signature", certFile); | |
170 | return -1; | |
171 | } | |
172 | } | |
173 | if (!(usage & GNUTLS_KEY_KEY_ENCIPHERMENT)) { | |
174 | if (critical) { | |
175 | error_setg(errp, | |
176 | "Certificate %s usage does not permit key " | |
177 | "encipherment", certFile); | |
178 | return -1; | |
179 | } | |
180 | } | |
181 | } | |
182 | ||
183 | return 0; | |
184 | } | |
185 | ||
186 | ||
187 | static int | |
188 | qcrypto_tls_creds_check_cert_key_purpose(QCryptoTLSCredsX509 *creds, | |
189 | gnutls_x509_crt_t cert, | |
190 | const char *certFile, | |
191 | bool isServer, | |
192 | Error **errp) | |
193 | { | |
194 | int status; | |
195 | size_t i; | |
196 | unsigned int purposeCritical; | |
197 | unsigned int critical; | |
198 | char *buffer = NULL; | |
199 | size_t size; | |
200 | bool allowClient = false, allowServer = false; | |
201 | ||
202 | critical = 0; | |
203 | for (i = 0; ; i++) { | |
204 | size = 0; | |
205 | status = gnutls_x509_crt_get_key_purpose_oid(cert, i, buffer, | |
206 | &size, NULL); | |
207 | ||
208 | if (status == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) { | |
209 | ||
210 | /* If there is no data at all, then we must allow | |
211 | client/server to pass */ | |
212 | if (i == 0) { | |
213 | allowServer = allowClient = true; | |
214 | } | |
215 | break; | |
216 | } | |
217 | if (status != GNUTLS_E_SHORT_MEMORY_BUFFER) { | |
218 | error_setg(errp, | |
219 | "Unable to query certificate %s key purpose: %s", | |
220 | certFile, gnutls_strerror(status)); | |
221 | return -1; | |
222 | } | |
223 | ||
224 | buffer = g_new0(char, size); | |
225 | ||
226 | status = gnutls_x509_crt_get_key_purpose_oid(cert, i, buffer, | |
227 | &size, &purposeCritical); | |
228 | ||
229 | if (status < 0) { | |
230 | trace_qcrypto_tls_creds_x509_check_key_purpose( | |
231 | creds, certFile, status, "<none>", purposeCritical); | |
232 | g_free(buffer); | |
233 | error_setg(errp, | |
234 | "Unable to query certificate %s key purpose: %s", | |
235 | certFile, gnutls_strerror(status)); | |
236 | return -1; | |
237 | } | |
238 | trace_qcrypto_tls_creds_x509_check_key_purpose( | |
239 | creds, certFile, status, buffer, purposeCritical); | |
240 | if (purposeCritical) { | |
241 | critical = true; | |
242 | } | |
243 | ||
244 | if (g_str_equal(buffer, GNUTLS_KP_TLS_WWW_SERVER)) { | |
245 | allowServer = true; | |
246 | } else if (g_str_equal(buffer, GNUTLS_KP_TLS_WWW_CLIENT)) { | |
247 | allowClient = true; | |
248 | } else if (g_str_equal(buffer, GNUTLS_KP_ANY)) { | |
249 | allowServer = allowClient = true; | |
250 | } | |
251 | ||
252 | g_free(buffer); | |
0e1d0245 | 253 | buffer = NULL; |
9a2fd434 DB |
254 | } |
255 | ||
256 | if (isServer) { | |
257 | if (!allowServer) { | |
258 | if (critical) { | |
259 | error_setg(errp, | |
260 | "Certificate %s purpose does not allow " | |
261 | "use with a TLS server", certFile); | |
262 | return -1; | |
263 | } | |
264 | } | |
265 | } else { | |
266 | if (!allowClient) { | |
267 | if (critical) { | |
268 | error_setg(errp, | |
269 | "Certificate %s purpose does not allow use " | |
270 | "with a TLS client", certFile); | |
271 | return -1; | |
272 | } | |
273 | } | |
274 | } | |
275 | ||
276 | return 0; | |
277 | } | |
278 | ||
279 | ||
280 | static int | |
281 | qcrypto_tls_creds_check_cert(QCryptoTLSCredsX509 *creds, | |
282 | gnutls_x509_crt_t cert, | |
283 | const char *certFile, | |
284 | bool isServer, | |
285 | bool isCA, | |
286 | Error **errp) | |
287 | { | |
288 | if (qcrypto_tls_creds_check_cert_times(cert, certFile, | |
289 | isServer, isCA, | |
290 | errp) < 0) { | |
291 | return -1; | |
292 | } | |
293 | ||
9a2fd434 DB |
294 | if (qcrypto_tls_creds_check_cert_basic_constraints(creds, |
295 | cert, certFile, | |
296 | isServer, isCA, | |
297 | errp) < 0) { | |
298 | return -1; | |
299 | } | |
9a2fd434 DB |
300 | |
301 | if (qcrypto_tls_creds_check_cert_key_usage(creds, | |
302 | cert, certFile, | |
303 | isCA, errp) < 0) { | |
304 | return -1; | |
305 | } | |
306 | ||
307 | if (!isCA && | |
308 | qcrypto_tls_creds_check_cert_key_purpose(creds, | |
309 | cert, certFile, | |
310 | isServer, errp) < 0) { | |
311 | return -1; | |
312 | } | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
317 | ||
318 | static int | |
319 | qcrypto_tls_creds_check_cert_pair(gnutls_x509_crt_t cert, | |
320 | const char *certFile, | |
321 | gnutls_x509_crt_t *cacerts, | |
322 | size_t ncacerts, | |
323 | const char *cacertFile, | |
324 | bool isServer, | |
325 | Error **errp) | |
326 | { | |
327 | unsigned int status; | |
328 | ||
329 | if (gnutls_x509_crt_list_verify(&cert, 1, | |
330 | cacerts, ncacerts, | |
331 | NULL, 0, | |
332 | 0, &status) < 0) { | |
333 | error_setg(errp, isServer ? | |
334 | "Unable to verify server certificate %s against " | |
335 | "CA certificate %s" : | |
336 | "Unable to verify client certificate %s against " | |
337 | "CA certificate %s", | |
338 | certFile, cacertFile); | |
339 | return -1; | |
340 | } | |
341 | ||
342 | if (status != 0) { | |
343 | const char *reason = "Invalid certificate"; | |
344 | ||
345 | if (status & GNUTLS_CERT_INVALID) { | |
346 | reason = "The certificate is not trusted"; | |
347 | } | |
348 | ||
349 | if (status & GNUTLS_CERT_SIGNER_NOT_FOUND) { | |
350 | reason = "The certificate hasn't got a known issuer"; | |
351 | } | |
352 | ||
353 | if (status & GNUTLS_CERT_REVOKED) { | |
354 | reason = "The certificate has been revoked"; | |
355 | } | |
356 | ||
357 | #ifndef GNUTLS_1_0_COMPAT | |
358 | if (status & GNUTLS_CERT_INSECURE_ALGORITHM) { | |
359 | reason = "The certificate uses an insecure algorithm"; | |
360 | } | |
361 | #endif | |
362 | ||
363 | error_setg(errp, | |
364 | "Our own certificate %s failed validation against %s: %s", | |
365 | certFile, cacertFile, reason); | |
366 | return -1; | |
367 | } | |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
372 | ||
373 | static gnutls_x509_crt_t | |
374 | qcrypto_tls_creds_load_cert(QCryptoTLSCredsX509 *creds, | |
375 | const char *certFile, | |
376 | bool isServer, | |
377 | Error **errp) | |
378 | { | |
379 | gnutls_datum_t data; | |
380 | gnutls_x509_crt_t cert = NULL; | |
57b9f113 | 381 | g_autofree char *buf = NULL; |
9a2fd434 | 382 | gsize buflen; |
8cb846db | 383 | GError *gerr = NULL; |
9a2fd434 | 384 | int ret = -1; |
b7b68166 | 385 | int err; |
9a2fd434 DB |
386 | |
387 | trace_qcrypto_tls_creds_x509_load_cert(creds, isServer, certFile); | |
388 | ||
b7b68166 AB |
389 | err = gnutls_x509_crt_init(&cert); |
390 | if (err < 0) { | |
391 | error_setg(errp, "Unable to initialize certificate: %s", | |
392 | gnutls_strerror(err)); | |
9a2fd434 DB |
393 | goto cleanup; |
394 | } | |
395 | ||
396 | if (!g_file_get_contents(certFile, &buf, &buflen, &gerr)) { | |
397 | error_setg(errp, "Cannot load CA cert list %s: %s", | |
398 | certFile, gerr->message); | |
399 | g_error_free(gerr); | |
400 | goto cleanup; | |
401 | } | |
402 | ||
403 | data.data = (unsigned char *)buf; | |
404 | data.size = strlen(buf); | |
405 | ||
b7b68166 AB |
406 | err = gnutls_x509_crt_import(cert, &data, GNUTLS_X509_FMT_PEM); |
407 | if (err < 0) { | |
9a2fd434 | 408 | error_setg(errp, isServer ? |
b7b68166 AB |
409 | "Unable to import server certificate %s: %s" : |
410 | "Unable to import client certificate %s: %s", | |
411 | certFile, | |
412 | gnutls_strerror(err)); | |
9a2fd434 DB |
413 | goto cleanup; |
414 | } | |
415 | ||
416 | ret = 0; | |
417 | ||
418 | cleanup: | |
419 | if (ret != 0) { | |
420 | gnutls_x509_crt_deinit(cert); | |
421 | cert = NULL; | |
422 | } | |
9a2fd434 DB |
423 | return cert; |
424 | } | |
425 | ||
426 | ||
427 | static int | |
428 | qcrypto_tls_creds_load_ca_cert_list(QCryptoTLSCredsX509 *creds, | |
429 | const char *certFile, | |
430 | gnutls_x509_crt_t *certs, | |
431 | unsigned int certMax, | |
432 | size_t *ncerts, | |
433 | Error **errp) | |
434 | { | |
435 | gnutls_datum_t data; | |
57b9f113 | 436 | g_autofree char *buf = NULL; |
9a2fd434 | 437 | gsize buflen; |
9a2fd434 DB |
438 | GError *gerr = NULL; |
439 | ||
440 | *ncerts = 0; | |
441 | trace_qcrypto_tls_creds_x509_load_cert_list(creds, certFile); | |
442 | ||
443 | if (!g_file_get_contents(certFile, &buf, &buflen, &gerr)) { | |
444 | error_setg(errp, "Cannot load CA cert list %s: %s", | |
445 | certFile, gerr->message); | |
446 | g_error_free(gerr); | |
57b9f113 | 447 | return -1; |
9a2fd434 DB |
448 | } |
449 | ||
450 | data.data = (unsigned char *)buf; | |
451 | data.size = strlen(buf); | |
452 | ||
453 | if (gnutls_x509_crt_list_import(certs, &certMax, &data, | |
454 | GNUTLS_X509_FMT_PEM, 0) < 0) { | |
455 | error_setg(errp, | |
456 | "Unable to import CA certificate list %s", | |
457 | certFile); | |
57b9f113 | 458 | return -1; |
9a2fd434 DB |
459 | } |
460 | *ncerts = certMax; | |
461 | ||
57b9f113 | 462 | return 0; |
9a2fd434 DB |
463 | } |
464 | ||
465 | ||
466 | #define MAX_CERTS 16 | |
467 | static int | |
468 | qcrypto_tls_creds_x509_sanity_check(QCryptoTLSCredsX509 *creds, | |
469 | bool isServer, | |
470 | const char *cacertFile, | |
471 | const char *certFile, | |
472 | Error **errp) | |
473 | { | |
474 | gnutls_x509_crt_t cert = NULL; | |
475 | gnutls_x509_crt_t cacerts[MAX_CERTS]; | |
476 | size_t ncacerts = 0; | |
477 | size_t i; | |
478 | int ret = -1; | |
479 | ||
480 | memset(cacerts, 0, sizeof(cacerts)); | |
08cb175a DB |
481 | if (certFile && |
482 | access(certFile, R_OK) == 0) { | |
9a2fd434 DB |
483 | cert = qcrypto_tls_creds_load_cert(creds, |
484 | certFile, isServer, | |
485 | errp); | |
486 | if (!cert) { | |
487 | goto cleanup; | |
488 | } | |
489 | } | |
490 | if (access(cacertFile, R_OK) == 0) { | |
491 | if (qcrypto_tls_creds_load_ca_cert_list(creds, | |
492 | cacertFile, cacerts, | |
493 | MAX_CERTS, &ncacerts, | |
494 | errp) < 0) { | |
495 | goto cleanup; | |
496 | } | |
497 | } | |
498 | ||
499 | if (cert && | |
500 | qcrypto_tls_creds_check_cert(creds, | |
501 | cert, certFile, isServer, | |
502 | false, errp) < 0) { | |
503 | goto cleanup; | |
504 | } | |
505 | ||
506 | for (i = 0; i < ncacerts; i++) { | |
507 | if (qcrypto_tls_creds_check_cert(creds, | |
508 | cacerts[i], cacertFile, | |
509 | isServer, true, errp) < 0) { | |
510 | goto cleanup; | |
511 | } | |
512 | } | |
513 | ||
514 | if (cert && ncacerts && | |
515 | qcrypto_tls_creds_check_cert_pair(cert, certFile, cacerts, | |
516 | ncacerts, cacertFile, | |
517 | isServer, errp) < 0) { | |
518 | goto cleanup; | |
519 | } | |
520 | ||
521 | ret = 0; | |
522 | ||
523 | cleanup: | |
524 | if (cert) { | |
525 | gnutls_x509_crt_deinit(cert); | |
526 | } | |
527 | for (i = 0; i < ncacerts; i++) { | |
528 | gnutls_x509_crt_deinit(cacerts[i]); | |
529 | } | |
530 | return ret; | |
531 | } | |
532 | ||
85bcbc78 DB |
533 | |
534 | static int | |
535 | qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *creds, | |
536 | Error **errp) | |
537 | { | |
538 | char *cacert = NULL, *cacrl = NULL, *cert = NULL, | |
539 | *key = NULL, *dhparams = NULL; | |
540 | int ret; | |
541 | int rv = -1; | |
542 | ||
543 | trace_qcrypto_tls_creds_x509_load(creds, | |
544 | creds->parent_obj.dir ? creds->parent_obj.dir : "<nodir>"); | |
545 | ||
546 | if (creds->parent_obj.endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) { | |
547 | if (qcrypto_tls_creds_get_path(&creds->parent_obj, | |
548 | QCRYPTO_TLS_CREDS_X509_CA_CERT, | |
549 | true, &cacert, errp) < 0 || | |
550 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
551 | QCRYPTO_TLS_CREDS_X509_CA_CRL, | |
552 | false, &cacrl, errp) < 0 || | |
553 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
554 | QCRYPTO_TLS_CREDS_X509_SERVER_CERT, | |
555 | true, &cert, errp) < 0 || | |
556 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
557 | QCRYPTO_TLS_CREDS_X509_SERVER_KEY, | |
558 | true, &key, errp) < 0 || | |
559 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
560 | QCRYPTO_TLS_CREDS_DH_PARAMS, | |
561 | false, &dhparams, errp) < 0) { | |
562 | goto cleanup; | |
563 | } | |
564 | } else { | |
565 | if (qcrypto_tls_creds_get_path(&creds->parent_obj, | |
566 | QCRYPTO_TLS_CREDS_X509_CA_CERT, | |
567 | true, &cacert, errp) < 0 || | |
568 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
569 | QCRYPTO_TLS_CREDS_X509_CLIENT_CERT, | |
570 | false, &cert, errp) < 0 || | |
571 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
572 | QCRYPTO_TLS_CREDS_X509_CLIENT_KEY, | |
573 | false, &key, errp) < 0) { | |
574 | goto cleanup; | |
575 | } | |
576 | } | |
577 | ||
9a2fd434 DB |
578 | if (creds->sanityCheck && |
579 | qcrypto_tls_creds_x509_sanity_check(creds, | |
580 | creds->parent_obj.endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER, | |
581 | cacert, cert, errp) < 0) { | |
582 | goto cleanup; | |
583 | } | |
584 | ||
85bcbc78 DB |
585 | ret = gnutls_certificate_allocate_credentials(&creds->data); |
586 | if (ret < 0) { | |
587 | error_setg(errp, "Cannot allocate credentials: '%s'", | |
588 | gnutls_strerror(ret)); | |
589 | goto cleanup; | |
590 | } | |
591 | ||
592 | ret = gnutls_certificate_set_x509_trust_file(creds->data, | |
593 | cacert, | |
594 | GNUTLS_X509_FMT_PEM); | |
595 | if (ret < 0) { | |
596 | error_setg(errp, "Cannot load CA certificate '%s': %s", | |
597 | cacert, gnutls_strerror(ret)); | |
598 | goto cleanup; | |
599 | } | |
600 | ||
601 | if (cert != NULL && key != NULL) { | |
1d7b5b4a DB |
602 | char *password = NULL; |
603 | if (creds->passwordid) { | |
604 | password = qcrypto_secret_lookup_as_utf8(creds->passwordid, | |
605 | errp); | |
606 | if (!password) { | |
607 | goto cleanup; | |
608 | } | |
609 | } | |
610 | ret = gnutls_certificate_set_x509_key_file2(creds->data, | |
611 | cert, key, | |
612 | GNUTLS_X509_FMT_PEM, | |
613 | password, | |
614 | 0); | |
615 | g_free(password); | |
85bcbc78 DB |
616 | if (ret < 0) { |
617 | error_setg(errp, "Cannot load certificate '%s' & key '%s': %s", | |
618 | cert, key, gnutls_strerror(ret)); | |
619 | goto cleanup; | |
620 | } | |
621 | } | |
622 | ||
623 | if (cacrl != NULL) { | |
624 | ret = gnutls_certificate_set_x509_crl_file(creds->data, | |
625 | cacrl, | |
626 | GNUTLS_X509_FMT_PEM); | |
627 | if (ret < 0) { | |
628 | error_setg(errp, "Cannot load CRL '%s': %s", | |
629 | cacrl, gnutls_strerror(ret)); | |
630 | goto cleanup; | |
631 | } | |
632 | } | |
633 | ||
634 | if (creds->parent_obj.endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) { | |
635 | if (qcrypto_tls_creds_get_dh_params_file(&creds->parent_obj, dhparams, | |
636 | &creds->parent_obj.dh_params, | |
637 | errp) < 0) { | |
638 | goto cleanup; | |
639 | } | |
640 | gnutls_certificate_set_dh_params(creds->data, | |
641 | creds->parent_obj.dh_params); | |
642 | } | |
643 | ||
644 | rv = 0; | |
645 | cleanup: | |
646 | g_free(cacert); | |
647 | g_free(cacrl); | |
648 | g_free(cert); | |
649 | g_free(key); | |
650 | g_free(dhparams); | |
651 | return rv; | |
652 | } | |
653 | ||
654 | ||
655 | static void | |
656 | qcrypto_tls_creds_x509_unload(QCryptoTLSCredsX509 *creds) | |
657 | { | |
658 | if (creds->data) { | |
659 | gnutls_certificate_free_credentials(creds->data); | |
660 | creds->data = NULL; | |
661 | } | |
61b9251a DB |
662 | if (creds->parent_obj.dh_params) { |
663 | gnutls_dh_params_deinit(creds->parent_obj.dh_params); | |
664 | creds->parent_obj.dh_params = NULL; | |
665 | } | |
85bcbc78 DB |
666 | } |
667 | ||
668 | ||
669 | #else /* ! CONFIG_GNUTLS */ | |
670 | ||
671 | ||
672 | static void | |
673 | qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *creds G_GNUC_UNUSED, | |
674 | Error **errp) | |
675 | { | |
676 | error_setg(errp, "TLS credentials support requires GNUTLS"); | |
677 | } | |
678 | ||
679 | ||
680 | static void | |
681 | qcrypto_tls_creds_x509_unload(QCryptoTLSCredsX509 *creds G_GNUC_UNUSED) | |
682 | { | |
683 | /* nada */ | |
684 | } | |
685 | ||
686 | ||
687 | #endif /* ! CONFIG_GNUTLS */ | |
688 | ||
689 | ||
690 | static void | |
691 | qcrypto_tls_creds_x509_prop_set_loaded(Object *obj, | |
692 | bool value, | |
693 | Error **errp) | |
694 | { | |
695 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
696 | ||
ab366aae | 697 | qcrypto_tls_creds_x509_unload(creds); |
85bcbc78 DB |
698 | if (value) { |
699 | qcrypto_tls_creds_x509_load(creds, errp); | |
85bcbc78 DB |
700 | } |
701 | } | |
702 | ||
703 | ||
704 | #ifdef CONFIG_GNUTLS | |
705 | ||
706 | ||
707 | static bool | |
708 | qcrypto_tls_creds_x509_prop_get_loaded(Object *obj, | |
709 | Error **errp G_GNUC_UNUSED) | |
710 | { | |
711 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
712 | ||
713 | return creds->data != NULL; | |
714 | } | |
715 | ||
716 | ||
717 | #else /* ! CONFIG_GNUTLS */ | |
718 | ||
719 | ||
720 | static bool | |
721 | qcrypto_tls_creds_x509_prop_get_loaded(Object *obj G_GNUC_UNUSED, | |
722 | Error **errp G_GNUC_UNUSED) | |
723 | { | |
724 | return false; | |
725 | } | |
726 | ||
727 | ||
728 | #endif /* ! CONFIG_GNUTLS */ | |
729 | ||
730 | ||
9a2fd434 DB |
731 | static void |
732 | qcrypto_tls_creds_x509_prop_set_sanity(Object *obj, | |
733 | bool value, | |
734 | Error **errp G_GNUC_UNUSED) | |
735 | { | |
736 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
737 | ||
738 | creds->sanityCheck = value; | |
739 | } | |
740 | ||
741 | ||
1d7b5b4a DB |
742 | static void |
743 | qcrypto_tls_creds_x509_prop_set_passwordid(Object *obj, | |
744 | const char *value, | |
745 | Error **errp G_GNUC_UNUSED) | |
746 | { | |
747 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
748 | ||
749 | creds->passwordid = g_strdup(value); | |
750 | } | |
751 | ||
752 | ||
753 | static char * | |
754 | qcrypto_tls_creds_x509_prop_get_passwordid(Object *obj, | |
755 | Error **errp G_GNUC_UNUSED) | |
756 | { | |
757 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
758 | ||
759 | return g_strdup(creds->passwordid); | |
760 | } | |
761 | ||
762 | ||
9a2fd434 DB |
763 | static bool |
764 | qcrypto_tls_creds_x509_prop_get_sanity(Object *obj, | |
765 | Error **errp G_GNUC_UNUSED) | |
766 | { | |
767 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
768 | ||
769 | return creds->sanityCheck; | |
770 | } | |
771 | ||
772 | ||
a29acc9c ZC |
773 | #ifdef CONFIG_GNUTLS |
774 | ||
775 | ||
776 | static bool | |
777 | qcrypto_tls_creds_x509_reload(QCryptoTLSCreds *creds, Error **errp) | |
778 | { | |
779 | QCryptoTLSCredsX509 *x509_creds = QCRYPTO_TLS_CREDS_X509(creds); | |
780 | Error *local_err = NULL; | |
781 | gnutls_certificate_credentials_t creds_data = x509_creds->data; | |
782 | gnutls_dh_params_t creds_dh_params = x509_creds->parent_obj.dh_params; | |
783 | ||
784 | x509_creds->data = NULL; | |
785 | x509_creds->parent_obj.dh_params = NULL; | |
786 | qcrypto_tls_creds_x509_load(x509_creds, &local_err); | |
787 | if (local_err) { | |
788 | qcrypto_tls_creds_x509_unload(x509_creds); | |
789 | x509_creds->data = creds_data; | |
790 | x509_creds->parent_obj.dh_params = creds_dh_params; | |
791 | error_propagate(errp, local_err); | |
792 | return false; | |
793 | } | |
794 | ||
795 | if (creds_data) { | |
796 | gnutls_certificate_free_credentials(creds_data); | |
797 | } | |
798 | if (creds_dh_params) { | |
799 | gnutls_dh_params_deinit(creds_dh_params); | |
800 | } | |
801 | return true; | |
802 | } | |
803 | ||
804 | ||
805 | #else /* ! CONFIG_GNUTLS */ | |
806 | ||
807 | ||
808 | static bool | |
809 | qcrypto_tls_creds_x509_reload(QCryptoTLSCreds *creds, Error **errp) | |
810 | { | |
811 | return false; | |
812 | } | |
813 | ||
814 | ||
815 | #endif /* ! CONFIG_GNUTLS */ | |
816 | ||
817 | ||
85bcbc78 DB |
818 | static void |
819 | qcrypto_tls_creds_x509_complete(UserCreatable *uc, Error **errp) | |
820 | { | |
5325cc34 | 821 | object_property_set_bool(OBJECT(uc), "loaded", true, errp); |
85bcbc78 DB |
822 | } |
823 | ||
824 | ||
825 | static void | |
826 | qcrypto_tls_creds_x509_init(Object *obj) | |
827 | { | |
9a2fd434 DB |
828 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); |
829 | ||
830 | creds->sanityCheck = true; | |
85bcbc78 DB |
831 | } |
832 | ||
833 | ||
834 | static void | |
835 | qcrypto_tls_creds_x509_finalize(Object *obj) | |
836 | { | |
837 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
838 | ||
1d7b5b4a | 839 | g_free(creds->passwordid); |
85bcbc78 DB |
840 | qcrypto_tls_creds_x509_unload(creds); |
841 | } | |
842 | ||
843 | ||
844 | static void | |
845 | qcrypto_tls_creds_x509_class_init(ObjectClass *oc, void *data) | |
846 | { | |
847 | UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc); | |
a29acc9c ZC |
848 | QCryptoTLSCredsClass *ctcc = QCRYPTO_TLS_CREDS_CLASS(oc); |
849 | ||
850 | ctcc->reload = qcrypto_tls_creds_x509_reload; | |
85bcbc78 DB |
851 | |
852 | ucc->complete = qcrypto_tls_creds_x509_complete; | |
9884abee DB |
853 | |
854 | object_class_property_add_bool(oc, "loaded", | |
855 | qcrypto_tls_creds_x509_prop_get_loaded, | |
d2623129 | 856 | qcrypto_tls_creds_x509_prop_set_loaded); |
9884abee DB |
857 | object_class_property_add_bool(oc, "sanity-check", |
858 | qcrypto_tls_creds_x509_prop_get_sanity, | |
d2623129 | 859 | qcrypto_tls_creds_x509_prop_set_sanity); |
9884abee DB |
860 | object_class_property_add_str(oc, "passwordid", |
861 | qcrypto_tls_creds_x509_prop_get_passwordid, | |
d2623129 | 862 | qcrypto_tls_creds_x509_prop_set_passwordid); |
85bcbc78 DB |
863 | } |
864 | ||
865 | ||
866 | static const TypeInfo qcrypto_tls_creds_x509_info = { | |
867 | .parent = TYPE_QCRYPTO_TLS_CREDS, | |
868 | .name = TYPE_QCRYPTO_TLS_CREDS_X509, | |
869 | .instance_size = sizeof(QCryptoTLSCredsX509), | |
870 | .instance_init = qcrypto_tls_creds_x509_init, | |
871 | .instance_finalize = qcrypto_tls_creds_x509_finalize, | |
872 | .class_size = sizeof(QCryptoTLSCredsX509Class), | |
873 | .class_init = qcrypto_tls_creds_x509_class_init, | |
874 | .interfaces = (InterfaceInfo[]) { | |
875 | { TYPE_USER_CREATABLE }, | |
876 | { } | |
877 | } | |
878 | }; | |
879 | ||
880 | ||
881 | static void | |
882 | qcrypto_tls_creds_x509_register_types(void) | |
883 | { | |
884 | type_register_static(&qcrypto_tls_creds_x509_info); | |
885 | } | |
886 | ||
887 | ||
888 | type_init(qcrypto_tls_creds_x509_register_types); |