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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 | ||
678bcc3c | 33 | #include <gnutls/gnutls.h> |
9a2fd434 DB |
34 | #include <gnutls/x509.h> |
35 | ||
36 | ||
37 | static int | |
38 | qcrypto_tls_creds_check_cert_times(gnutls_x509_crt_t cert, | |
39 | const char *certFile, | |
40 | bool isServer, | |
41 | bool isCA, | |
42 | Error **errp) | |
43 | { | |
44 | time_t now = time(NULL); | |
45 | ||
46 | if (now == ((time_t)-1)) { | |
47 | error_setg_errno(errp, errno, "cannot get current time"); | |
48 | return -1; | |
49 | } | |
50 | ||
51 | if (gnutls_x509_crt_get_expiration_time(cert) < now) { | |
52 | error_setg(errp, | |
53 | (isCA ? | |
54 | "The CA certificate %s has expired" : | |
55 | (isServer ? | |
56 | "The server certificate %s has expired" : | |
57 | "The client certificate %s has expired")), | |
58 | certFile); | |
59 | return -1; | |
60 | } | |
61 | ||
62 | if (gnutls_x509_crt_get_activation_time(cert) > now) { | |
63 | error_setg(errp, | |
64 | (isCA ? | |
65 | "The CA certificate %s is not yet active" : | |
66 | (isServer ? | |
67 | "The server certificate %s is not yet active" : | |
68 | "The client certificate %s is not yet active")), | |
69 | certFile); | |
70 | return -1; | |
71 | } | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
76 | ||
9a2fd434 DB |
77 | static int |
78 | qcrypto_tls_creds_check_cert_basic_constraints(QCryptoTLSCredsX509 *creds, | |
79 | gnutls_x509_crt_t cert, | |
80 | const char *certFile, | |
81 | bool isServer, | |
82 | bool isCA, | |
83 | Error **errp) | |
84 | { | |
85 | int status; | |
86 | ||
87 | status = gnutls_x509_crt_get_basic_constraints(cert, NULL, NULL, NULL); | |
88 | trace_qcrypto_tls_creds_x509_check_basic_constraints( | |
89 | creds, certFile, status); | |
90 | ||
91 | if (status > 0) { /* It is a CA cert */ | |
92 | if (!isCA) { | |
93 | error_setg(errp, isServer ? | |
94 | "The certificate %s basic constraints show a CA, " | |
95 | "but we need one for a server" : | |
96 | "The certificate %s basic constraints show a CA, " | |
97 | "but we need one for a client", | |
98 | certFile); | |
99 | return -1; | |
100 | } | |
101 | } else if (status == 0) { /* It is not a CA cert */ | |
102 | if (isCA) { | |
103 | error_setg(errp, | |
104 | "The certificate %s basic constraints do not " | |
105 | "show a CA", | |
106 | certFile); | |
107 | return -1; | |
108 | } | |
109 | } else if (status == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) { | |
110 | /* Missing basicConstraints */ | |
111 | if (isCA) { | |
112 | error_setg(errp, | |
113 | "The certificate %s is missing basic constraints " | |
114 | "for a CA", | |
115 | certFile); | |
116 | return -1; | |
117 | } | |
118 | } else { /* General error */ | |
119 | error_setg(errp, | |
120 | "Unable to query certificate %s basic constraints: %s", | |
121 | certFile, gnutls_strerror(status)); | |
122 | return -1; | |
123 | } | |
124 | ||
125 | return 0; | |
126 | } | |
9a2fd434 DB |
127 | |
128 | ||
129 | static int | |
130 | qcrypto_tls_creds_check_cert_key_usage(QCryptoTLSCredsX509 *creds, | |
131 | gnutls_x509_crt_t cert, | |
132 | const char *certFile, | |
133 | bool isCA, | |
134 | Error **errp) | |
135 | { | |
136 | int status; | |
137 | unsigned int usage = 0; | |
138 | unsigned int critical = 0; | |
139 | ||
140 | status = gnutls_x509_crt_get_key_usage(cert, &usage, &critical); | |
141 | trace_qcrypto_tls_creds_x509_check_key_usage( | |
142 | creds, certFile, status, usage, critical); | |
143 | ||
144 | if (status < 0) { | |
145 | if (status == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) { | |
146 | usage = isCA ? GNUTLS_KEY_KEY_CERT_SIGN : | |
8573431b | 147 | GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT; |
9a2fd434 DB |
148 | } else { |
149 | error_setg(errp, | |
150 | "Unable to query certificate %s key usage: %s", | |
151 | certFile, gnutls_strerror(status)); | |
152 | return -1; | |
153 | } | |
154 | } | |
155 | ||
156 | if (isCA) { | |
157 | if (!(usage & GNUTLS_KEY_KEY_CERT_SIGN)) { | |
158 | if (critical) { | |
159 | error_setg(errp, | |
160 | "Certificate %s usage does not permit " | |
161 | "certificate signing", certFile); | |
162 | return -1; | |
163 | } | |
164 | } | |
165 | } else { | |
166 | if (!(usage & GNUTLS_KEY_DIGITAL_SIGNATURE)) { | |
167 | if (critical) { | |
168 | error_setg(errp, | |
169 | "Certificate %s usage does not permit digital " | |
170 | "signature", certFile); | |
171 | return -1; | |
172 | } | |
173 | } | |
174 | if (!(usage & GNUTLS_KEY_KEY_ENCIPHERMENT)) { | |
175 | if (critical) { | |
176 | error_setg(errp, | |
177 | "Certificate %s usage does not permit key " | |
178 | "encipherment", certFile); | |
179 | return -1; | |
180 | } | |
181 | } | |
182 | } | |
183 | ||
184 | return 0; | |
185 | } | |
186 | ||
187 | ||
188 | static int | |
189 | qcrypto_tls_creds_check_cert_key_purpose(QCryptoTLSCredsX509 *creds, | |
190 | gnutls_x509_crt_t cert, | |
191 | const char *certFile, | |
192 | bool isServer, | |
193 | Error **errp) | |
194 | { | |
195 | int status; | |
196 | size_t i; | |
197 | unsigned int purposeCritical; | |
198 | unsigned int critical; | |
199 | char *buffer = NULL; | |
200 | size_t size; | |
201 | bool allowClient = false, allowServer = false; | |
202 | ||
203 | critical = 0; | |
204 | for (i = 0; ; i++) { | |
205 | size = 0; | |
206 | status = gnutls_x509_crt_get_key_purpose_oid(cert, i, buffer, | |
207 | &size, NULL); | |
208 | ||
209 | if (status == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) { | |
210 | ||
211 | /* If there is no data at all, then we must allow | |
212 | client/server to pass */ | |
213 | if (i == 0) { | |
214 | allowServer = allowClient = true; | |
215 | } | |
216 | break; | |
217 | } | |
218 | if (status != GNUTLS_E_SHORT_MEMORY_BUFFER) { | |
219 | error_setg(errp, | |
220 | "Unable to query certificate %s key purpose: %s", | |
221 | certFile, gnutls_strerror(status)); | |
222 | return -1; | |
223 | } | |
224 | ||
225 | buffer = g_new0(char, size); | |
226 | ||
227 | status = gnutls_x509_crt_get_key_purpose_oid(cert, i, buffer, | |
228 | &size, &purposeCritical); | |
229 | ||
230 | if (status < 0) { | |
231 | trace_qcrypto_tls_creds_x509_check_key_purpose( | |
232 | creds, certFile, status, "<none>", purposeCritical); | |
233 | g_free(buffer); | |
234 | error_setg(errp, | |
235 | "Unable to query certificate %s key purpose: %s", | |
236 | certFile, gnutls_strerror(status)); | |
237 | return -1; | |
238 | } | |
239 | trace_qcrypto_tls_creds_x509_check_key_purpose( | |
240 | creds, certFile, status, buffer, purposeCritical); | |
241 | if (purposeCritical) { | |
242 | critical = true; | |
243 | } | |
244 | ||
245 | if (g_str_equal(buffer, GNUTLS_KP_TLS_WWW_SERVER)) { | |
246 | allowServer = true; | |
247 | } else if (g_str_equal(buffer, GNUTLS_KP_TLS_WWW_CLIENT)) { | |
248 | allowClient = true; | |
249 | } else if (g_str_equal(buffer, GNUTLS_KP_ANY)) { | |
250 | allowServer = allowClient = true; | |
251 | } | |
252 | ||
253 | g_free(buffer); | |
0e1d0245 | 254 | buffer = NULL; |
9a2fd434 DB |
255 | } |
256 | ||
257 | if (isServer) { | |
258 | if (!allowServer) { | |
259 | if (critical) { | |
260 | error_setg(errp, | |
261 | "Certificate %s purpose does not allow " | |
262 | "use with a TLS server", certFile); | |
263 | return -1; | |
264 | } | |
265 | } | |
266 | } else { | |
267 | if (!allowClient) { | |
268 | if (critical) { | |
269 | error_setg(errp, | |
270 | "Certificate %s purpose does not allow use " | |
271 | "with a TLS client", certFile); | |
272 | return -1; | |
273 | } | |
274 | } | |
275 | } | |
276 | ||
277 | return 0; | |
278 | } | |
279 | ||
280 | ||
281 | static int | |
282 | qcrypto_tls_creds_check_cert(QCryptoTLSCredsX509 *creds, | |
283 | gnutls_x509_crt_t cert, | |
284 | const char *certFile, | |
285 | bool isServer, | |
286 | bool isCA, | |
287 | Error **errp) | |
288 | { | |
289 | if (qcrypto_tls_creds_check_cert_times(cert, certFile, | |
290 | isServer, isCA, | |
291 | errp) < 0) { | |
292 | return -1; | |
293 | } | |
294 | ||
9a2fd434 DB |
295 | if (qcrypto_tls_creds_check_cert_basic_constraints(creds, |
296 | cert, certFile, | |
297 | isServer, isCA, | |
298 | errp) < 0) { | |
299 | return -1; | |
300 | } | |
9a2fd434 DB |
301 | |
302 | if (qcrypto_tls_creds_check_cert_key_usage(creds, | |
303 | cert, certFile, | |
304 | isCA, errp) < 0) { | |
305 | return -1; | |
306 | } | |
307 | ||
308 | if (!isCA && | |
309 | qcrypto_tls_creds_check_cert_key_purpose(creds, | |
310 | cert, certFile, | |
311 | isServer, errp) < 0) { | |
312 | return -1; | |
313 | } | |
314 | ||
315 | return 0; | |
316 | } | |
317 | ||
318 | ||
319 | static int | |
320 | qcrypto_tls_creds_check_cert_pair(gnutls_x509_crt_t cert, | |
321 | const char *certFile, | |
322 | gnutls_x509_crt_t *cacerts, | |
323 | size_t ncacerts, | |
324 | const char *cacertFile, | |
325 | bool isServer, | |
326 | Error **errp) | |
327 | { | |
328 | unsigned int status; | |
329 | ||
330 | if (gnutls_x509_crt_list_verify(&cert, 1, | |
331 | cacerts, ncacerts, | |
332 | NULL, 0, | |
333 | 0, &status) < 0) { | |
334 | error_setg(errp, isServer ? | |
335 | "Unable to verify server certificate %s against " | |
336 | "CA certificate %s" : | |
337 | "Unable to verify client certificate %s against " | |
338 | "CA certificate %s", | |
339 | certFile, cacertFile); | |
340 | return -1; | |
341 | } | |
342 | ||
343 | if (status != 0) { | |
344 | const char *reason = "Invalid certificate"; | |
345 | ||
346 | if (status & GNUTLS_CERT_INVALID) { | |
347 | reason = "The certificate is not trusted"; | |
348 | } | |
349 | ||
350 | if (status & GNUTLS_CERT_SIGNER_NOT_FOUND) { | |
351 | reason = "The certificate hasn't got a known issuer"; | |
352 | } | |
353 | ||
354 | if (status & GNUTLS_CERT_REVOKED) { | |
355 | reason = "The certificate has been revoked"; | |
356 | } | |
357 | ||
9a2fd434 DB |
358 | if (status & GNUTLS_CERT_INSECURE_ALGORITHM) { |
359 | reason = "The certificate uses an insecure algorithm"; | |
360 | } | |
9a2fd434 DB |
361 | |
362 | error_setg(errp, | |
363 | "Our own certificate %s failed validation against %s: %s", | |
364 | certFile, cacertFile, reason); | |
365 | return -1; | |
366 | } | |
367 | ||
368 | return 0; | |
369 | } | |
370 | ||
371 | ||
372 | static gnutls_x509_crt_t | |
373 | qcrypto_tls_creds_load_cert(QCryptoTLSCredsX509 *creds, | |
374 | const char *certFile, | |
375 | bool isServer, | |
376 | Error **errp) | |
377 | { | |
378 | gnutls_datum_t data; | |
379 | gnutls_x509_crt_t cert = NULL; | |
57b9f113 | 380 | g_autofree char *buf = NULL; |
9a2fd434 | 381 | gsize buflen; |
8cb846db | 382 | GError *gerr = NULL; |
9a2fd434 | 383 | int ret = -1; |
b7b68166 | 384 | int err; |
9a2fd434 DB |
385 | |
386 | trace_qcrypto_tls_creds_x509_load_cert(creds, isServer, certFile); | |
387 | ||
b7b68166 AB |
388 | err = gnutls_x509_crt_init(&cert); |
389 | if (err < 0) { | |
390 | error_setg(errp, "Unable to initialize certificate: %s", | |
391 | gnutls_strerror(err)); | |
9a2fd434 DB |
392 | goto cleanup; |
393 | } | |
394 | ||
395 | if (!g_file_get_contents(certFile, &buf, &buflen, &gerr)) { | |
396 | error_setg(errp, "Cannot load CA cert list %s: %s", | |
397 | certFile, gerr->message); | |
398 | g_error_free(gerr); | |
399 | goto cleanup; | |
400 | } | |
401 | ||
402 | data.data = (unsigned char *)buf; | |
403 | data.size = strlen(buf); | |
404 | ||
b7b68166 AB |
405 | err = gnutls_x509_crt_import(cert, &data, GNUTLS_X509_FMT_PEM); |
406 | if (err < 0) { | |
9a2fd434 | 407 | error_setg(errp, isServer ? |
b7b68166 AB |
408 | "Unable to import server certificate %s: %s" : |
409 | "Unable to import client certificate %s: %s", | |
410 | certFile, | |
411 | gnutls_strerror(err)); | |
9a2fd434 DB |
412 | goto cleanup; |
413 | } | |
414 | ||
415 | ret = 0; | |
416 | ||
417 | cleanup: | |
418 | if (ret != 0) { | |
419 | gnutls_x509_crt_deinit(cert); | |
420 | cert = NULL; | |
421 | } | |
9a2fd434 DB |
422 | return cert; |
423 | } | |
424 | ||
425 | ||
426 | static int | |
427 | qcrypto_tls_creds_load_ca_cert_list(QCryptoTLSCredsX509 *creds, | |
428 | const char *certFile, | |
429 | gnutls_x509_crt_t *certs, | |
430 | unsigned int certMax, | |
431 | size_t *ncerts, | |
432 | Error **errp) | |
433 | { | |
434 | gnutls_datum_t data; | |
57b9f113 | 435 | g_autofree char *buf = NULL; |
9a2fd434 | 436 | gsize buflen; |
9a2fd434 DB |
437 | GError *gerr = NULL; |
438 | ||
439 | *ncerts = 0; | |
440 | trace_qcrypto_tls_creds_x509_load_cert_list(creds, certFile); | |
441 | ||
442 | if (!g_file_get_contents(certFile, &buf, &buflen, &gerr)) { | |
443 | error_setg(errp, "Cannot load CA cert list %s: %s", | |
444 | certFile, gerr->message); | |
445 | g_error_free(gerr); | |
57b9f113 | 446 | return -1; |
9a2fd434 DB |
447 | } |
448 | ||
449 | data.data = (unsigned char *)buf; | |
450 | data.size = strlen(buf); | |
451 | ||
452 | if (gnutls_x509_crt_list_import(certs, &certMax, &data, | |
453 | GNUTLS_X509_FMT_PEM, 0) < 0) { | |
454 | error_setg(errp, | |
455 | "Unable to import CA certificate list %s", | |
456 | certFile); | |
57b9f113 | 457 | return -1; |
9a2fd434 DB |
458 | } |
459 | *ncerts = certMax; | |
460 | ||
57b9f113 | 461 | return 0; |
9a2fd434 DB |
462 | } |
463 | ||
464 | ||
465 | #define MAX_CERTS 16 | |
466 | static int | |
467 | qcrypto_tls_creds_x509_sanity_check(QCryptoTLSCredsX509 *creds, | |
468 | bool isServer, | |
469 | const char *cacertFile, | |
470 | const char *certFile, | |
471 | Error **errp) | |
472 | { | |
473 | gnutls_x509_crt_t cert = NULL; | |
474 | gnutls_x509_crt_t cacerts[MAX_CERTS]; | |
475 | size_t ncacerts = 0; | |
476 | size_t i; | |
477 | int ret = -1; | |
478 | ||
479 | memset(cacerts, 0, sizeof(cacerts)); | |
08cb175a DB |
480 | if (certFile && |
481 | access(certFile, R_OK) == 0) { | |
9a2fd434 DB |
482 | cert = qcrypto_tls_creds_load_cert(creds, |
483 | certFile, isServer, | |
484 | errp); | |
485 | if (!cert) { | |
486 | goto cleanup; | |
487 | } | |
488 | } | |
489 | if (access(cacertFile, R_OK) == 0) { | |
490 | if (qcrypto_tls_creds_load_ca_cert_list(creds, | |
491 | cacertFile, cacerts, | |
492 | MAX_CERTS, &ncacerts, | |
493 | errp) < 0) { | |
494 | goto cleanup; | |
495 | } | |
496 | } | |
497 | ||
498 | if (cert && | |
499 | qcrypto_tls_creds_check_cert(creds, | |
500 | cert, certFile, isServer, | |
501 | false, errp) < 0) { | |
502 | goto cleanup; | |
503 | } | |
504 | ||
505 | for (i = 0; i < ncacerts; i++) { | |
506 | if (qcrypto_tls_creds_check_cert(creds, | |
507 | cacerts[i], cacertFile, | |
508 | isServer, true, errp) < 0) { | |
509 | goto cleanup; | |
510 | } | |
511 | } | |
512 | ||
513 | if (cert && ncacerts && | |
514 | qcrypto_tls_creds_check_cert_pair(cert, certFile, cacerts, | |
515 | ncacerts, cacertFile, | |
516 | isServer, errp) < 0) { | |
517 | goto cleanup; | |
518 | } | |
519 | ||
520 | ret = 0; | |
521 | ||
522 | cleanup: | |
523 | if (cert) { | |
524 | gnutls_x509_crt_deinit(cert); | |
525 | } | |
526 | for (i = 0; i < ncacerts; i++) { | |
527 | gnutls_x509_crt_deinit(cacerts[i]); | |
528 | } | |
529 | return ret; | |
530 | } | |
531 | ||
85bcbc78 DB |
532 | |
533 | static int | |
534 | qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *creds, | |
535 | Error **errp) | |
536 | { | |
537 | char *cacert = NULL, *cacrl = NULL, *cert = NULL, | |
538 | *key = NULL, *dhparams = NULL; | |
539 | int ret; | |
540 | int rv = -1; | |
541 | ||
542 | trace_qcrypto_tls_creds_x509_load(creds, | |
543 | creds->parent_obj.dir ? creds->parent_obj.dir : "<nodir>"); | |
544 | ||
545 | if (creds->parent_obj.endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) { | |
546 | if (qcrypto_tls_creds_get_path(&creds->parent_obj, | |
547 | QCRYPTO_TLS_CREDS_X509_CA_CERT, | |
548 | true, &cacert, errp) < 0 || | |
549 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
550 | QCRYPTO_TLS_CREDS_X509_CA_CRL, | |
551 | false, &cacrl, errp) < 0 || | |
552 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
553 | QCRYPTO_TLS_CREDS_X509_SERVER_CERT, | |
554 | true, &cert, errp) < 0 || | |
555 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
556 | QCRYPTO_TLS_CREDS_X509_SERVER_KEY, | |
557 | true, &key, errp) < 0 || | |
558 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
559 | QCRYPTO_TLS_CREDS_DH_PARAMS, | |
560 | false, &dhparams, errp) < 0) { | |
561 | goto cleanup; | |
562 | } | |
563 | } else { | |
564 | if (qcrypto_tls_creds_get_path(&creds->parent_obj, | |
565 | QCRYPTO_TLS_CREDS_X509_CA_CERT, | |
566 | true, &cacert, errp) < 0 || | |
567 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
568 | QCRYPTO_TLS_CREDS_X509_CLIENT_CERT, | |
569 | false, &cert, errp) < 0 || | |
570 | qcrypto_tls_creds_get_path(&creds->parent_obj, | |
571 | QCRYPTO_TLS_CREDS_X509_CLIENT_KEY, | |
572 | false, &key, errp) < 0) { | |
573 | goto cleanup; | |
574 | } | |
575 | } | |
576 | ||
9a2fd434 DB |
577 | if (creds->sanityCheck && |
578 | qcrypto_tls_creds_x509_sanity_check(creds, | |
579 | creds->parent_obj.endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER, | |
580 | cacert, cert, errp) < 0) { | |
581 | goto cleanup; | |
582 | } | |
583 | ||
85bcbc78 DB |
584 | ret = gnutls_certificate_allocate_credentials(&creds->data); |
585 | if (ret < 0) { | |
586 | error_setg(errp, "Cannot allocate credentials: '%s'", | |
587 | gnutls_strerror(ret)); | |
588 | goto cleanup; | |
589 | } | |
590 | ||
591 | ret = gnutls_certificate_set_x509_trust_file(creds->data, | |
592 | cacert, | |
593 | GNUTLS_X509_FMT_PEM); | |
594 | if (ret < 0) { | |
595 | error_setg(errp, "Cannot load CA certificate '%s': %s", | |
596 | cacert, gnutls_strerror(ret)); | |
597 | goto cleanup; | |
598 | } | |
599 | ||
600 | if (cert != NULL && key != NULL) { | |
1d7b5b4a DB |
601 | char *password = NULL; |
602 | if (creds->passwordid) { | |
603 | password = qcrypto_secret_lookup_as_utf8(creds->passwordid, | |
604 | errp); | |
605 | if (!password) { | |
606 | goto cleanup; | |
607 | } | |
608 | } | |
609 | ret = gnutls_certificate_set_x509_key_file2(creds->data, | |
610 | cert, key, | |
611 | GNUTLS_X509_FMT_PEM, | |
612 | password, | |
613 | 0); | |
614 | g_free(password); | |
85bcbc78 DB |
615 | if (ret < 0) { |
616 | error_setg(errp, "Cannot load certificate '%s' & key '%s': %s", | |
617 | cert, key, gnutls_strerror(ret)); | |
618 | goto cleanup; | |
619 | } | |
620 | } | |
621 | ||
622 | if (cacrl != NULL) { | |
623 | ret = gnutls_certificate_set_x509_crl_file(creds->data, | |
624 | cacrl, | |
625 | GNUTLS_X509_FMT_PEM); | |
626 | if (ret < 0) { | |
627 | error_setg(errp, "Cannot load CRL '%s': %s", | |
628 | cacrl, gnutls_strerror(ret)); | |
629 | goto cleanup; | |
630 | } | |
631 | } | |
632 | ||
633 | if (creds->parent_obj.endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) { | |
634 | if (qcrypto_tls_creds_get_dh_params_file(&creds->parent_obj, dhparams, | |
635 | &creds->parent_obj.dh_params, | |
636 | errp) < 0) { | |
637 | goto cleanup; | |
638 | } | |
639 | gnutls_certificate_set_dh_params(creds->data, | |
640 | creds->parent_obj.dh_params); | |
641 | } | |
642 | ||
643 | rv = 0; | |
644 | cleanup: | |
645 | g_free(cacert); | |
646 | g_free(cacrl); | |
647 | g_free(cert); | |
648 | g_free(key); | |
649 | g_free(dhparams); | |
650 | return rv; | |
651 | } | |
652 | ||
653 | ||
654 | static void | |
655 | qcrypto_tls_creds_x509_unload(QCryptoTLSCredsX509 *creds) | |
656 | { | |
657 | if (creds->data) { | |
658 | gnutls_certificate_free_credentials(creds->data); | |
659 | creds->data = NULL; | |
660 | } | |
61b9251a DB |
661 | if (creds->parent_obj.dh_params) { |
662 | gnutls_dh_params_deinit(creds->parent_obj.dh_params); | |
663 | creds->parent_obj.dh_params = NULL; | |
664 | } | |
85bcbc78 DB |
665 | } |
666 | ||
667 | ||
668 | #else /* ! CONFIG_GNUTLS */ | |
669 | ||
670 | ||
671 | static void | |
672 | qcrypto_tls_creds_x509_load(QCryptoTLSCredsX509 *creds G_GNUC_UNUSED, | |
673 | Error **errp) | |
674 | { | |
675 | error_setg(errp, "TLS credentials support requires GNUTLS"); | |
676 | } | |
677 | ||
678 | ||
679 | static void | |
680 | qcrypto_tls_creds_x509_unload(QCryptoTLSCredsX509 *creds G_GNUC_UNUSED) | |
681 | { | |
682 | /* nada */ | |
683 | } | |
684 | ||
685 | ||
686 | #endif /* ! CONFIG_GNUTLS */ | |
687 | ||
688 | ||
689 | static void | |
690 | qcrypto_tls_creds_x509_prop_set_loaded(Object *obj, | |
691 | bool value, | |
692 | Error **errp) | |
693 | { | |
694 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
695 | ||
ab366aae | 696 | qcrypto_tls_creds_x509_unload(creds); |
85bcbc78 DB |
697 | if (value) { |
698 | qcrypto_tls_creds_x509_load(creds, errp); | |
85bcbc78 DB |
699 | } |
700 | } | |
701 | ||
702 | ||
703 | #ifdef CONFIG_GNUTLS | |
704 | ||
705 | ||
706 | static bool | |
707 | qcrypto_tls_creds_x509_prop_get_loaded(Object *obj, | |
708 | Error **errp G_GNUC_UNUSED) | |
709 | { | |
710 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
711 | ||
712 | return creds->data != NULL; | |
713 | } | |
714 | ||
715 | ||
716 | #else /* ! CONFIG_GNUTLS */ | |
717 | ||
718 | ||
719 | static bool | |
720 | qcrypto_tls_creds_x509_prop_get_loaded(Object *obj G_GNUC_UNUSED, | |
721 | Error **errp G_GNUC_UNUSED) | |
722 | { | |
723 | return false; | |
724 | } | |
725 | ||
726 | ||
727 | #endif /* ! CONFIG_GNUTLS */ | |
728 | ||
729 | ||
9a2fd434 DB |
730 | static void |
731 | qcrypto_tls_creds_x509_prop_set_sanity(Object *obj, | |
732 | bool value, | |
733 | Error **errp G_GNUC_UNUSED) | |
734 | { | |
735 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
736 | ||
737 | creds->sanityCheck = value; | |
738 | } | |
739 | ||
740 | ||
1d7b5b4a DB |
741 | static void |
742 | qcrypto_tls_creds_x509_prop_set_passwordid(Object *obj, | |
743 | const char *value, | |
744 | Error **errp G_GNUC_UNUSED) | |
745 | { | |
746 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
747 | ||
748 | creds->passwordid = g_strdup(value); | |
749 | } | |
750 | ||
751 | ||
752 | static char * | |
753 | qcrypto_tls_creds_x509_prop_get_passwordid(Object *obj, | |
754 | Error **errp G_GNUC_UNUSED) | |
755 | { | |
756 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
757 | ||
758 | return g_strdup(creds->passwordid); | |
759 | } | |
760 | ||
761 | ||
9a2fd434 DB |
762 | static bool |
763 | qcrypto_tls_creds_x509_prop_get_sanity(Object *obj, | |
764 | Error **errp G_GNUC_UNUSED) | |
765 | { | |
766 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
767 | ||
768 | return creds->sanityCheck; | |
769 | } | |
770 | ||
771 | ||
a29acc9c ZC |
772 | #ifdef CONFIG_GNUTLS |
773 | ||
774 | ||
775 | static bool | |
776 | qcrypto_tls_creds_x509_reload(QCryptoTLSCreds *creds, Error **errp) | |
777 | { | |
778 | QCryptoTLSCredsX509 *x509_creds = QCRYPTO_TLS_CREDS_X509(creds); | |
779 | Error *local_err = NULL; | |
780 | gnutls_certificate_credentials_t creds_data = x509_creds->data; | |
781 | gnutls_dh_params_t creds_dh_params = x509_creds->parent_obj.dh_params; | |
782 | ||
783 | x509_creds->data = NULL; | |
784 | x509_creds->parent_obj.dh_params = NULL; | |
785 | qcrypto_tls_creds_x509_load(x509_creds, &local_err); | |
786 | if (local_err) { | |
787 | qcrypto_tls_creds_x509_unload(x509_creds); | |
788 | x509_creds->data = creds_data; | |
789 | x509_creds->parent_obj.dh_params = creds_dh_params; | |
790 | error_propagate(errp, local_err); | |
791 | return false; | |
792 | } | |
793 | ||
794 | if (creds_data) { | |
795 | gnutls_certificate_free_credentials(creds_data); | |
796 | } | |
797 | if (creds_dh_params) { | |
798 | gnutls_dh_params_deinit(creds_dh_params); | |
799 | } | |
800 | return true; | |
801 | } | |
802 | ||
803 | ||
804 | #else /* ! CONFIG_GNUTLS */ | |
805 | ||
806 | ||
807 | static bool | |
808 | qcrypto_tls_creds_x509_reload(QCryptoTLSCreds *creds, Error **errp) | |
809 | { | |
810 | return false; | |
811 | } | |
812 | ||
813 | ||
814 | #endif /* ! CONFIG_GNUTLS */ | |
815 | ||
816 | ||
85bcbc78 DB |
817 | static void |
818 | qcrypto_tls_creds_x509_complete(UserCreatable *uc, Error **errp) | |
819 | { | |
5325cc34 | 820 | object_property_set_bool(OBJECT(uc), "loaded", true, errp); |
85bcbc78 DB |
821 | } |
822 | ||
823 | ||
824 | static void | |
825 | qcrypto_tls_creds_x509_init(Object *obj) | |
826 | { | |
9a2fd434 DB |
827 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); |
828 | ||
829 | creds->sanityCheck = true; | |
85bcbc78 DB |
830 | } |
831 | ||
832 | ||
833 | static void | |
834 | qcrypto_tls_creds_x509_finalize(Object *obj) | |
835 | { | |
836 | QCryptoTLSCredsX509 *creds = QCRYPTO_TLS_CREDS_X509(obj); | |
837 | ||
1d7b5b4a | 838 | g_free(creds->passwordid); |
85bcbc78 DB |
839 | qcrypto_tls_creds_x509_unload(creds); |
840 | } | |
841 | ||
842 | ||
843 | static void | |
844 | qcrypto_tls_creds_x509_class_init(ObjectClass *oc, void *data) | |
845 | { | |
846 | UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc); | |
a29acc9c ZC |
847 | QCryptoTLSCredsClass *ctcc = QCRYPTO_TLS_CREDS_CLASS(oc); |
848 | ||
849 | ctcc->reload = qcrypto_tls_creds_x509_reload; | |
85bcbc78 DB |
850 | |
851 | ucc->complete = qcrypto_tls_creds_x509_complete; | |
9884abee DB |
852 | |
853 | object_class_property_add_bool(oc, "loaded", | |
854 | qcrypto_tls_creds_x509_prop_get_loaded, | |
d2623129 | 855 | qcrypto_tls_creds_x509_prop_set_loaded); |
9884abee DB |
856 | object_class_property_add_bool(oc, "sanity-check", |
857 | qcrypto_tls_creds_x509_prop_get_sanity, | |
d2623129 | 858 | qcrypto_tls_creds_x509_prop_set_sanity); |
9884abee DB |
859 | object_class_property_add_str(oc, "passwordid", |
860 | qcrypto_tls_creds_x509_prop_get_passwordid, | |
d2623129 | 861 | qcrypto_tls_creds_x509_prop_set_passwordid); |
85bcbc78 DB |
862 | } |
863 | ||
864 | ||
865 | static const TypeInfo qcrypto_tls_creds_x509_info = { | |
866 | .parent = TYPE_QCRYPTO_TLS_CREDS, | |
867 | .name = TYPE_QCRYPTO_TLS_CREDS_X509, | |
868 | .instance_size = sizeof(QCryptoTLSCredsX509), | |
869 | .instance_init = qcrypto_tls_creds_x509_init, | |
870 | .instance_finalize = qcrypto_tls_creds_x509_finalize, | |
871 | .class_size = sizeof(QCryptoTLSCredsX509Class), | |
872 | .class_init = qcrypto_tls_creds_x509_class_init, | |
873 | .interfaces = (InterfaceInfo[]) { | |
874 | { TYPE_USER_CREATABLE }, | |
875 | { } | |
876 | } | |
877 | }; | |
878 | ||
879 | ||
880 | static void | |
881 | qcrypto_tls_creds_x509_register_types(void) | |
882 | { | |
883 | type_register_static(&qcrypto_tls_creds_x509_info); | |
884 | } | |
885 | ||
886 | ||
887 | type_init(qcrypto_tls_creds_x509_register_types); |