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Commit | Line | Data |
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2c85b752 MS |
1 | /* |
2 | * "$Id$" | |
3 | * | |
4 | * TLS support code for CUPS on OS X. | |
5 | * | |
6 | * Copyright 2007-2013 by Apple Inc. | |
7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. | |
8 | * | |
9 | * These coded instructions, statements, and computer programs are the | |
10 | * property of Apple Inc. and are protected by Federal copyright | |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
14 | * | |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | */ | |
17 | ||
18 | ||
19 | /* | |
20 | * Local functions... | |
21 | */ | |
22 | ||
23 | //static CFArrayRef copy_cdsa_certificate(cupsd_client_t *con); | |
24 | //static int make_certificate(cupsd_client_t *con); | |
25 | ||
26 | static OSStatus http_cdsa_read(SSLConnectionRef connection, void *data, | |
27 | size_t *dataLength); | |
28 | static OSStatus http_cdsa_write(SSLConnectionRef connection, const void *data, | |
29 | size_t *dataLength); | |
30 | ||
31 | ||
32 | ||
33 | /* | |
34 | * 'httpCopyCredentials()' - Copy the credentials associated with the peer in | |
35 | * an encrypted connection. | |
36 | * | |
37 | * @since CUPS 1.5/OS X 10.7@ | |
38 | */ | |
39 | ||
40 | int /* O - Status of call (0 = success) */ | |
41 | httpCopyCredentials( | |
42 | http_t *http, /* I - Connection to server */ | |
43 | cups_array_t **credentials) /* O - Array of credentials */ | |
44 | { | |
45 | OSStatus error; /* Error code */ | |
46 | SecTrustRef peerTrust; /* Peer trust reference */ | |
47 | CFIndex count; /* Number of credentials */ | |
48 | SecCertificateRef secCert; /* Certificate reference */ | |
49 | CFDataRef data; /* Certificate data */ | |
50 | int i; /* Looping var */ | |
51 | ||
52 | ||
53 | if (credentials) | |
54 | *credentials = NULL; | |
55 | ||
56 | if (!http || !http->tls || !credentials) | |
57 | return (-1); | |
58 | ||
59 | if (!(error = SSLCopyPeerTrust(http->tls, &peerTrust)) && peerTrust) | |
60 | { | |
61 | if ((*credentials = cupsArrayNew(NULL, NULL)) != NULL) | |
62 | { | |
63 | count = SecTrustGetCertificateCount(peerTrust); | |
64 | ||
65 | for (i = 0; i < count; i ++) | |
66 | { | |
67 | secCert = SecTrustGetCertificateAtIndex(peerTrust, i); | |
68 | if ((data = SecCertificateCopyData(secCert))) | |
69 | { | |
70 | httpAddCredential(*credentials, CFDataGetBytePtr(data), | |
71 | CFDataGetLength(data)); | |
72 | CFRelease(data); | |
73 | } | |
74 | } | |
75 | } | |
76 | ||
77 | CFRelease(peerTrust); | |
78 | } | |
79 | ||
80 | return (error); | |
81 | } | |
82 | ||
83 | ||
84 | /* | |
85 | * '_httpCreateCredentials()' - Create credentials in the internal format. | |
86 | */ | |
87 | ||
88 | http_tls_credentials_t /* O - Internal credentials */ | |
89 | _httpCreateCredentials( | |
90 | cups_array_t *credentials) /* I - Array of credentials */ | |
91 | { | |
92 | CFMutableArrayRef peerCerts; /* Peer credentials reference */ | |
93 | SecCertificateRef secCert; /* Certificate reference */ | |
94 | CFDataRef data; /* Credential data reference */ | |
95 | http_credential_t *credential; /* Credential data */ | |
96 | ||
97 | ||
98 | if (!credentials) | |
99 | return (NULL); | |
100 | ||
101 | if ((peerCerts = CFArrayCreateMutable(kCFAllocatorDefault, | |
102 | cupsArrayCount(credentials), | |
103 | &kCFTypeArrayCallBacks)) == NULL) | |
104 | return (NULL); | |
105 | ||
106 | for (credential = (http_credential_t *)cupsArrayFirst(credentials); | |
107 | credential; | |
108 | credential = (http_credential_t *)cupsArrayNext(credentials)) | |
109 | { | |
110 | if ((data = CFDataCreate(kCFAllocatorDefault, credential->data, | |
111 | credential->datalen))) | |
112 | { | |
113 | if ((secCert = SecCertificateCreateWithData(kCFAllocatorDefault, data)) | |
114 | != NULL) | |
115 | { | |
116 | CFArrayAppendValue(peerCerts, secCert); | |
117 | CFRelease(secCert); | |
118 | } | |
119 | ||
120 | CFRelease(data); | |
121 | } | |
122 | } | |
123 | ||
124 | return (peerCerts); | |
125 | } | |
126 | ||
127 | ||
72d05bc9 MS |
128 | /* |
129 | * 'httpCredentialsString()' - Return a string representing the credentials. | |
130 | * | |
131 | * @since CUPS 2.0@ | |
132 | */ | |
133 | ||
134 | size_t /* O - Total size of credentials string */ | |
135 | httpCredentialsString( | |
136 | cups_array_t *credentials, /* I - Credentials */ | |
137 | char *buffer, /* I - Buffer or @code NULL@ */ | |
138 | size_t bufsize) /* I - Size of buffer */ | |
139 | { | |
140 | (void)credentials; | |
141 | ||
142 | if (buffer && bufsize > 0) | |
143 | *buffer = '\0'; | |
144 | ||
145 | return (1); | |
146 | } | |
147 | ||
148 | ||
2c85b752 MS |
149 | /* |
150 | * '_httpFreeCredentials()' - Free internal credentials. | |
151 | */ | |
152 | ||
153 | void | |
154 | _httpFreeCredentials( | |
155 | http_tls_credentials_t credentials) /* I - Internal credentials */ | |
156 | { | |
157 | if (!credentials) | |
158 | return; | |
159 | ||
160 | CFRelease(credentials); | |
161 | } | |
162 | ||
163 | ||
72d05bc9 MS |
164 | /* |
165 | * 'httpLoadCredentials()' - Load X.509 credentials from a keychain file. | |
166 | * | |
167 | * @since CUPS 2.0@ | |
168 | */ | |
169 | ||
170 | int /* O - -1 on error, 0 on success */ | |
171 | httpLoadCredentials( | |
172 | const char *path, /* I - Keychain/PKCS#12 path */ | |
173 | cups_array_t **credentials, /* IO - Credentials */ | |
174 | const char *common_name) /* I - Common name for credentials */ | |
175 | { | |
176 | (void)path; | |
177 | (void)credentials; | |
178 | (void)common_name; | |
179 | ||
180 | return (-1); | |
181 | } | |
182 | ||
183 | ||
184 | /* | |
185 | * 'httpMakeCredentials()' - Create self-signed credentials for the given | |
186 | * name. | |
187 | * | |
188 | * @since CUPS 2.0@ | |
189 | */ | |
190 | ||
191 | int /* O - 0 on success, -1 on failure */ | |
192 | httpMakeCredentials( | |
193 | cups_array_t **credentials, /* O - Credentials */ | |
194 | const char *common_name) /* I - Common name for X.509 cert */ | |
195 | { | |
196 | (void)common_name; | |
197 | ||
198 | if (credentials) | |
199 | *credentials = NULL; | |
200 | ||
201 | return (-1); | |
202 | } | |
203 | ||
204 | ||
205 | /* | |
206 | * 'httpSaveCredentials()' - Save X.509 credentials to a keychain file. | |
207 | * | |
208 | * @since CUPS 2.0@ | |
209 | */ | |
210 | ||
211 | int /* O - -1 on error, 0 on success */ | |
212 | httpSaveCredentials( | |
213 | const char *path, /* I - Keychain/PKCS#12 path */ | |
214 | cups_array_t *credentials, /* I - Credentials */ | |
215 | const char *common_name) /* I - Common name for credentials */ | |
216 | { | |
217 | (void)path; | |
218 | (void)credentials; | |
219 | (void)common_name; | |
220 | ||
221 | return (-1); | |
222 | } | |
223 | ||
224 | ||
2c85b752 MS |
225 | /* |
226 | * 'http_cdsa_read()' - Read function for the CDSA library. | |
227 | */ | |
228 | ||
229 | static OSStatus /* O - -1 on error, 0 on success */ | |
230 | http_cdsa_read( | |
231 | SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
232 | void *data, /* I - Data buffer */ | |
233 | size_t *dataLength) /* IO - Number of bytes */ | |
234 | { | |
235 | OSStatus result; /* Return value */ | |
236 | ssize_t bytes; /* Number of bytes read */ | |
237 | http_t *http; /* HTTP connection */ | |
238 | ||
239 | ||
240 | http = (http_t *)connection; | |
241 | ||
242 | if (!http->blocking) | |
243 | { | |
244 | /* | |
245 | * Make sure we have data before we read... | |
246 | */ | |
247 | ||
248 | while (!_httpWait(http, http->wait_value, 0)) | |
249 | { | |
250 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) | |
251 | continue; | |
252 | ||
253 | http->error = ETIMEDOUT; | |
254 | return (-1); | |
255 | } | |
256 | } | |
257 | ||
258 | do | |
259 | { | |
260 | bytes = recv(http->fd, data, *dataLength, 0); | |
261 | } | |
262 | while (bytes == -1 && (errno == EINTR || errno == EAGAIN)); | |
263 | ||
264 | if (bytes == *dataLength) | |
265 | { | |
266 | result = 0; | |
267 | } | |
268 | else if (bytes > 0) | |
269 | { | |
270 | *dataLength = bytes; | |
271 | result = errSSLWouldBlock; | |
272 | } | |
273 | else | |
274 | { | |
275 | *dataLength = 0; | |
276 | ||
277 | if (bytes == 0) | |
278 | result = errSSLClosedGraceful; | |
279 | else if (errno == EAGAIN) | |
280 | result = errSSLWouldBlock; | |
281 | else | |
282 | result = errSSLClosedAbort; | |
283 | } | |
284 | ||
285 | return (result); | |
286 | } | |
287 | ||
288 | ||
289 | /* | |
290 | * 'http_cdsa_write()' - Write function for the CDSA library. | |
291 | */ | |
292 | ||
293 | static OSStatus /* O - -1 on error, 0 on success */ | |
294 | http_cdsa_write( | |
295 | SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
296 | const void *data, /* I - Data buffer */ | |
297 | size_t *dataLength) /* IO - Number of bytes */ | |
298 | { | |
299 | OSStatus result; /* Return value */ | |
300 | ssize_t bytes; /* Number of bytes read */ | |
301 | http_t *http; /* HTTP connection */ | |
302 | ||
303 | ||
304 | http = (http_t *)connection; | |
305 | ||
306 | do | |
307 | { | |
308 | bytes = write(http->fd, data, *dataLength); | |
309 | } | |
310 | while (bytes == -1 && (errno == EINTR || errno == EAGAIN)); | |
311 | ||
312 | if (bytes == *dataLength) | |
313 | { | |
314 | result = 0; | |
315 | } | |
316 | else if (bytes >= 0) | |
317 | { | |
318 | *dataLength = bytes; | |
319 | result = errSSLWouldBlock; | |
320 | } | |
321 | else | |
322 | { | |
323 | *dataLength = 0; | |
324 | ||
325 | if (errno == EAGAIN) | |
326 | result = errSSLWouldBlock; | |
327 | else | |
328 | result = errSSLClosedAbort; | |
329 | } | |
330 | ||
331 | return (result); | |
332 | } | |
333 | ||
334 | ||
335 | /* | |
336 | * 'http_tls_initialize()' - Initialize the TLS stack. | |
337 | */ | |
338 | ||
339 | static void | |
340 | http_tls_initialize(void) | |
341 | { | |
342 | /* | |
343 | * Nothing to do... | |
344 | */ | |
345 | } | |
346 | ||
347 | ||
348 | /* | |
349 | * 'http_tls_pending()' - Return the number of pending TLS-encrypted bytes. | |
350 | */ | |
351 | ||
352 | static size_t | |
353 | http_tls_pending(http_t *http) /* I - HTTP connection */ | |
354 | { | |
355 | size_t bytes; /* Bytes that are available */ | |
356 | ||
357 | ||
358 | if (!SSLGetBufferedReadSize(http->tls, &bytes)) | |
359 | return (bytes); | |
360 | ||
361 | return (0); | |
362 | } | |
363 | ||
364 | ||
365 | /* | |
366 | * 'http_tls_read()' - Read from a SSL/TLS connection. | |
367 | */ | |
368 | ||
369 | static int /* O - Bytes read */ | |
370 | http_tls_read(http_t *http, /* I - Connection to server */ | |
371 | char *buf, /* I - Buffer to store data */ | |
372 | int len) /* I - Length of buffer */ | |
373 | { | |
374 | int result; /* Return value */ | |
375 | OSStatus error; /* Error info */ | |
376 | size_t processed; /* Number of bytes processed */ | |
377 | ||
378 | ||
379 | error = SSLRead(http->tls, buf, len, &processed); | |
380 | DEBUG_printf(("6http_tls_read: error=%d, processed=%d", (int)error, | |
381 | (int)processed)); | |
382 | switch (error) | |
383 | { | |
384 | case 0 : | |
385 | result = (int)processed; | |
386 | break; | |
387 | ||
388 | case errSSLWouldBlock : | |
389 | if (processed) | |
390 | result = (int)processed; | |
391 | else | |
392 | { | |
393 | result = -1; | |
394 | errno = EINTR; | |
395 | } | |
396 | break; | |
397 | ||
398 | case errSSLClosedGraceful : | |
399 | default : | |
400 | if (processed) | |
401 | result = (int)processed; | |
402 | else | |
403 | { | |
404 | result = -1; | |
405 | errno = EPIPE; | |
406 | } | |
407 | break; | |
408 | } | |
409 | ||
410 | return (result); | |
411 | } | |
412 | ||
413 | ||
414 | /* | |
415 | * 'http_tls_set_credentials()' - Set the TLS credentials. | |
416 | */ | |
417 | ||
418 | static int /* O - Status of connection */ | |
419 | http_tls_set_credentials(http_t *http) /* I - Connection to server */ | |
420 | { | |
421 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
422 | OSStatus error = 0; /* Error code */ | |
423 | http_tls_credentials_t credentials = NULL; | |
424 | /* TLS credentials */ | |
425 | ||
426 | ||
427 | DEBUG_printf(("7http_tls_set_credentials(%p)", http)); | |
428 | ||
429 | /* | |
430 | * Prefer connection specific credentials... | |
431 | */ | |
432 | ||
433 | if ((credentials = http->tls_credentials) == NULL) | |
434 | credentials = cg->tls_credentials; | |
435 | ||
436 | if (credentials) | |
437 | { | |
438 | error = SSLSetCertificate(http->tls, credentials); | |
439 | DEBUG_printf(("4http_tls_set_credentials: SSLSetCertificate, error=%d", | |
440 | (int)error)); | |
441 | } | |
442 | else | |
443 | DEBUG_puts("4http_tls_set_credentials: No credentials to set."); | |
444 | ||
445 | return (error); | |
446 | } | |
447 | ||
448 | ||
449 | /* | |
450 | * 'http_tls_start()' - Set up SSL/TLS support on a connection. | |
451 | */ | |
452 | ||
453 | static int /* O - 0 on success, -1 on failure */ | |
454 | http_tls_start(http_t *http) /* I - Connection to server */ | |
455 | { | |
456 | char hostname[256], /* Hostname */ | |
457 | *hostptr; /* Pointer into hostname */ | |
458 | _cups_globals_t *cg = _cupsGlobals(); | |
459 | /* Pointer to library globals */ | |
460 | OSStatus error; /* Error code */ | |
461 | const char *message = NULL;/* Error message */ | |
462 | cups_array_t *credentials; /* Credentials array */ | |
463 | cups_array_t *names; /* CUPS distinguished names */ | |
464 | CFArrayRef dn_array; /* CF distinguished names array */ | |
465 | CFIndex count; /* Number of credentials */ | |
466 | CFDataRef data; /* Certificate data */ | |
467 | int i; /* Looping var */ | |
468 | http_credential_t *credential; /* Credential data */ | |
469 | ||
470 | ||
471 | DEBUG_printf(("7http_tls_start(http=%p)", http)); | |
472 | ||
473 | /* | |
474 | * Get the hostname to use for SSL... | |
475 | */ | |
476 | ||
477 | if (httpAddrLocalhost(http->hostaddr)) | |
478 | { | |
479 | strlcpy(hostname, "localhost", sizeof(hostname)); | |
480 | } | |
481 | else | |
482 | { | |
483 | /* | |
484 | * Otherwise make sure the hostname we have does not end in a trailing dot. | |
485 | */ | |
486 | ||
487 | strlcpy(hostname, http->hostname, sizeof(hostname)); | |
488 | if ((hostptr = hostname + strlen(hostname) - 1) >= hostname && | |
489 | *hostptr == '.') | |
490 | *hostptr = '\0'; | |
491 | } | |
492 | ||
72d05bc9 | 493 | if ((http->tls = SSLCreateContext(kCFAllocatorDefault, http->mode == _HTTP_MODE_CLIENT ? kSSLClientSide : kSSLServerSide, kSSLStreamType)) == NULL) |
2c85b752 MS |
494 | { |
495 | DEBUG_puts("4http_tls_start: SSLCreateContext failed."); | |
496 | http->error = errno = ENOMEM; | |
497 | http->status = HTTP_STATUS_ERROR; | |
498 | _cupsSetHTTPError(HTTP_STATUS_ERROR); | |
499 | ||
500 | return (-1); | |
501 | } | |
502 | ||
503 | error = SSLSetConnection(http->tls, http); | |
504 | DEBUG_printf(("4http_tls_start: SSLSetConnection, error=%d", (int)error)); | |
505 | ||
506 | if (!error) | |
507 | { | |
508 | error = SSLSetIOFuncs(http->tls, http_cdsa_read, http_cdsa_write); | |
509 | DEBUG_printf(("4http_tls_start: SSLSetIOFuncs, error=%d", (int)error)); | |
510 | } | |
511 | ||
512 | if (!error) | |
513 | { | |
514 | error = SSLSetSessionOption(http->tls, kSSLSessionOptionBreakOnServerAuth, | |
515 | true); | |
516 | DEBUG_printf(("4http_tls_start: SSLSetSessionOption, error=%d", | |
517 | (int)error)); | |
518 | } | |
519 | ||
520 | if (!error) | |
521 | { | |
522 | if (cg->client_cert_cb) | |
523 | { | |
524 | error = SSLSetSessionOption(http->tls, | |
525 | kSSLSessionOptionBreakOnCertRequested, true); | |
526 | DEBUG_printf(("4http_tls_start: kSSLSessionOptionBreakOnCertRequested, " | |
527 | "error=%d", (int)error)); | |
528 | } | |
529 | else | |
530 | { | |
d3d89474 MS |
531 | error = http_tls_set_credentials(http); |
532 | DEBUG_printf(("4http_tls_start: http_tls_set_credentials, error=%d", | |
2c85b752 MS |
533 | (int)error)); |
534 | } | |
535 | } | |
536 | ||
537 | /* | |
538 | * Let the server know which hostname/domain we are trying to connect to | |
539 | * in case it wants to serve up a certificate with a matching common name. | |
540 | */ | |
541 | ||
542 | if (!error) | |
543 | { | |
544 | error = SSLSetPeerDomainName(http->tls, hostname, strlen(hostname)); | |
545 | ||
546 | DEBUG_printf(("4http_tls_start: SSLSetPeerDomainName, error=%d", | |
547 | (int)error)); | |
548 | } | |
549 | ||
550 | if (!error) | |
551 | { | |
552 | int done = 0; /* Are we done yet? */ | |
553 | ||
554 | while (!error && !done) | |
555 | { | |
556 | error = SSLHandshake(http->tls); | |
557 | ||
558 | DEBUG_printf(("4http_tls_start: SSLHandshake returned %d.", (int)error)); | |
559 | ||
560 | switch (error) | |
561 | { | |
562 | case noErr : | |
563 | done = 1; | |
564 | break; | |
565 | ||
566 | case errSSLWouldBlock : | |
567 | error = noErr; /* Force a retry */ | |
568 | usleep(1000); /* in 1 millisecond */ | |
569 | break; | |
570 | ||
571 | case errSSLServerAuthCompleted : | |
572 | error = 0; | |
573 | if (cg->server_cert_cb) | |
574 | { | |
575 | error = httpCopyCredentials(http, &credentials); | |
576 | if (!error) | |
577 | { | |
578 | error = (cg->server_cert_cb)(http, http->tls, credentials, | |
579 | cg->server_cert_data); | |
580 | httpFreeCredentials(credentials); | |
581 | } | |
582 | ||
583 | DEBUG_printf(("4http_tls_start: Server certificate callback " | |
584 | "returned %d.", (int)error)); | |
585 | } | |
586 | break; | |
587 | ||
588 | case errSSLClientCertRequested : | |
589 | error = 0; | |
590 | ||
591 | if (cg->client_cert_cb) | |
592 | { | |
593 | names = NULL; | |
594 | if (!(error = SSLCopyDistinguishedNames(http->tls, &dn_array)) && | |
595 | dn_array) | |
596 | { | |
597 | if ((names = cupsArrayNew(NULL, NULL)) != NULL) | |
598 | { | |
599 | for (i = 0, count = CFArrayGetCount(dn_array); i < count; i++) | |
600 | { | |
601 | data = (CFDataRef)CFArrayGetValueAtIndex(dn_array, i); | |
602 | ||
603 | if ((credential = malloc(sizeof(*credential))) != NULL) | |
604 | { | |
605 | credential->datalen = CFDataGetLength(data); | |
606 | if ((credential->data = malloc(credential->datalen))) | |
607 | { | |
608 | memcpy((void *)credential->data, CFDataGetBytePtr(data), | |
609 | credential->datalen); | |
610 | cupsArrayAdd(names, credential); | |
611 | } | |
612 | else | |
613 | free(credential); | |
614 | } | |
615 | } | |
616 | } | |
617 | ||
618 | CFRelease(dn_array); | |
619 | } | |
620 | ||
621 | if (!error) | |
622 | { | |
623 | error = (cg->client_cert_cb)(http, http->tls, names, | |
624 | cg->client_cert_data); | |
625 | ||
626 | DEBUG_printf(("4http_tls_start: Client certificate callback " | |
627 | "returned %d.", (int)error)); | |
628 | } | |
629 | ||
630 | httpFreeCredentials(names); | |
631 | } | |
632 | break; | |
633 | ||
634 | case errSSLUnknownRootCert : | |
635 | message = _("Unable to establish a secure connection to host " | |
636 | "(untrusted certificate)."); | |
637 | break; | |
638 | ||
639 | case errSSLNoRootCert : | |
640 | message = _("Unable to establish a secure connection to host " | |
641 | "(self-signed certificate)."); | |
642 | break; | |
643 | ||
644 | case errSSLCertExpired : | |
645 | message = _("Unable to establish a secure connection to host " | |
646 | "(expired certificate)."); | |
647 | break; | |
648 | ||
649 | case errSSLCertNotYetValid : | |
650 | message = _("Unable to establish a secure connection to host " | |
651 | "(certificate not yet valid)."); | |
652 | break; | |
653 | ||
654 | case errSSLHostNameMismatch : | |
655 | message = _("Unable to establish a secure connection to host " | |
656 | "(host name mismatch)."); | |
657 | break; | |
658 | ||
659 | case errSSLXCertChainInvalid : | |
660 | message = _("Unable to establish a secure connection to host " | |
661 | "(certificate chain invalid)."); | |
662 | break; | |
663 | ||
664 | case errSSLConnectionRefused : | |
665 | message = _("Unable to establish a secure connection to host " | |
666 | "(peer dropped connection before responding)."); | |
667 | break; | |
668 | ||
669 | default : | |
670 | break; | |
671 | } | |
672 | } | |
673 | } | |
674 | ||
675 | if (error) | |
676 | { | |
677 | http->error = error; | |
678 | http->status = HTTP_STATUS_ERROR; | |
679 | errno = ECONNREFUSED; | |
680 | ||
681 | CFRelease(http->tls); | |
682 | http->tls = NULL; | |
683 | ||
684 | /* | |
685 | * If an error string wasn't set by the callbacks use a generic one... | |
686 | */ | |
687 | ||
688 | if (!message) | |
689 | #ifdef HAVE_CSSMERRORSTRING | |
690 | message = cssmErrorString(error); | |
691 | #else | |
692 | message = _("Unable to establish a secure connection to host."); | |
693 | #endif /* HAVE_CSSMERRORSTRING */ | |
694 | ||
695 | _cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, message, 1); | |
696 | ||
697 | return (-1); | |
698 | } | |
699 | ||
700 | return (0); | |
701 | } | |
702 | ||
703 | ||
704 | /* | |
705 | * 'http_tls_stop()' - Shut down SSL/TLS on a connection. | |
706 | */ | |
707 | ||
708 | static void | |
709 | http_tls_stop(http_t *http) /* I - Connection to server */ | |
710 | { | |
711 | while (SSLClose(http->tls) == errSSLWouldBlock) | |
712 | usleep(1000); | |
713 | ||
714 | CFRelease(http->tls); | |
715 | ||
716 | if (http->tls_credentials) | |
717 | CFRelease(http->tls_credentials); | |
718 | ||
719 | http->tls = NULL; | |
720 | http->tls_credentials = NULL; | |
721 | } | |
722 | ||
723 | ||
724 | /* | |
725 | * 'http_tls_write()' - Write to a SSL/TLS connection. | |
726 | */ | |
727 | ||
728 | static int /* O - Bytes written */ | |
729 | http_tls_write(http_t *http, /* I - Connection to server */ | |
730 | const char *buf, /* I - Buffer holding data */ | |
731 | int len) /* I - Length of buffer */ | |
732 | { | |
733 | ssize_t result; /* Return value */ | |
734 | OSStatus error; /* Error info */ | |
735 | size_t processed; /* Number of bytes processed */ | |
736 | ||
737 | ||
738 | DEBUG_printf(("2http_tls_write(http=%p, buf=%p, len=%d)", http, buf, len)); | |
739 | ||
740 | error = SSLWrite(http->tls, buf, len, &processed); | |
741 | ||
742 | switch (error) | |
743 | { | |
744 | case 0 : | |
745 | result = (int)processed; | |
746 | break; | |
747 | ||
748 | case errSSLWouldBlock : | |
749 | if (processed) | |
750 | { | |
751 | result = (int)processed; | |
752 | } | |
753 | else | |
754 | { | |
755 | result = -1; | |
756 | errno = EINTR; | |
757 | } | |
758 | break; | |
759 | ||
760 | case errSSLClosedGraceful : | |
761 | default : | |
762 | if (processed) | |
763 | { | |
764 | result = (int)processed; | |
765 | } | |
766 | else | |
767 | { | |
768 | result = -1; | |
769 | errno = EPIPE; | |
770 | } | |
771 | break; | |
772 | } | |
773 | ||
774 | DEBUG_printf(("3http_tls_write: Returning %d.", (int)result)); | |
775 | ||
776 | return ((int)result); | |
777 | } | |
778 | ||
779 | ||
d3d89474 | 780 | #if 0 |
2c85b752 MS |
781 | /* |
782 | * 'cupsdEndTLS()' - Shutdown a secure session with the client. | |
783 | */ | |
784 | ||
785 | int /* O - 1 on success, 0 on error */ | |
786 | cupsdEndTLS(cupsd_client_t *con) /* I - Client connection */ | |
787 | { | |
788 | while (SSLClose(con->http.tls) == errSSLWouldBlock) | |
789 | usleep(1000); | |
790 | ||
791 | CFRelease(con->http.tls); | |
792 | con->http.tls = NULL; | |
793 | ||
794 | if (con->http.tls_credentials) | |
795 | CFRelease(con->http.tls_credentials); | |
796 | ||
797 | return (1); | |
798 | } | |
799 | ||
800 | ||
801 | /* | |
802 | * 'cupsdStartTLS()' - Start a secure session with the client. | |
803 | */ | |
804 | ||
805 | int /* O - 1 on success, 0 on error */ | |
806 | cupsdStartTLS(cupsd_client_t *con) /* I - Client connection */ | |
807 | { | |
808 | OSStatus error = 0; /* Error code */ | |
809 | SecTrustRef peerTrust; /* Peer certificates */ | |
810 | ||
811 | ||
812 | cupsdLogMessage(CUPSD_LOG_DEBUG, "[Client %d] Encrypting connection.", | |
813 | con->http.fd); | |
814 | ||
815 | con->http.tls_credentials = copy_cdsa_certificate(con); | |
816 | ||
817 | if (!con->http.tls_credentials) | |
818 | { | |
819 | /* | |
820 | * No keychain (yet), make a self-signed certificate... | |
821 | */ | |
822 | ||
823 | if (make_certificate(con)) | |
824 | con->http.tls_credentials = copy_cdsa_certificate(con); | |
825 | } | |
826 | ||
827 | if (!con->http.tls_credentials) | |
828 | { | |
829 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
830 | "Could not find signing key in keychain \"%s\"", | |
831 | ServerCertificate); | |
832 | error = errSSLBadConfiguration; | |
833 | } | |
834 | ||
835 | if (!error) | |
836 | con->http.tls = SSLCreateContext(kCFAllocatorDefault, kSSLServerSide, | |
837 | kSSLStreamType); | |
838 | ||
839 | if (!error) | |
840 | error = SSLSetIOFuncs(con->http.tls, http_cdsa_read, http_cdsa_write); | |
841 | ||
842 | if (!error) | |
843 | error = SSLSetConnection(con->http.tls, HTTP(con)); | |
844 | ||
845 | if (!error) | |
846 | error = SSLSetCertificate(con->http.tls, con->http.tls_credentials); | |
847 | ||
848 | if (!error) | |
849 | { | |
850 | /* | |
851 | * Perform SSL/TLS handshake | |
852 | */ | |
853 | ||
854 | while ((error = SSLHandshake(con->http.tls)) == errSSLWouldBlock) | |
855 | usleep(1000); | |
856 | } | |
857 | ||
858 | if (error) | |
859 | { | |
860 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
861 | "Unable to encrypt connection from %s - %s (%d)", | |
862 | con->http.hostname, cssmErrorString(error), (int)error); | |
863 | ||
864 | con->http.error = error; | |
865 | con->http.status = HTTP_ERROR; | |
866 | ||
867 | if (con->http.tls) | |
868 | { | |
869 | CFRelease(con->http.tls); | |
870 | con->http.tls = NULL; | |
871 | } | |
872 | ||
873 | if (con->http.tls_credentials) | |
874 | { | |
875 | CFRelease(con->http.tls_credentials); | |
876 | con->http.tls_credentials = NULL; | |
877 | } | |
878 | ||
879 | return (0); | |
880 | } | |
881 | ||
882 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.", | |
883 | con->http.hostname); | |
884 | ||
885 | if (!SSLCopyPeerTrust(con->http.tls, &peerTrust) && peerTrust) | |
886 | { | |
887 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Received %d peer certificates.", | |
888 | (int)SecTrustGetCertificateCount(peerTrust)); | |
889 | CFRelease(peerTrust); | |
890 | } | |
891 | else | |
892 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Received NO peer certificates."); | |
893 | ||
894 | return (1); | |
895 | } | |
896 | ||
897 | ||
898 | /* | |
899 | * 'copy_cdsa_certificate()' - Copy a SSL/TLS certificate from the System | |
900 | * keychain. | |
901 | */ | |
902 | ||
903 | static CFArrayRef /* O - Array of certificates */ | |
904 | copy_cdsa_certificate( | |
905 | cupsd_client_t *con) /* I - Client connection */ | |
906 | { | |
907 | OSStatus err; /* Error info */ | |
908 | SecKeychainRef keychain = NULL;/* Keychain reference */ | |
909 | SecIdentitySearchRef search = NULL; /* Search reference */ | |
910 | SecIdentityRef identity = NULL;/* Identity */ | |
911 | CFArrayRef certificates = NULL; | |
912 | /* Certificate array */ | |
913 | SecPolicyRef policy = NULL; /* Policy ref */ | |
914 | CFStringRef servername = NULL; | |
915 | /* Server name */ | |
916 | CFMutableDictionaryRef query = NULL; /* Query qualifiers */ | |
917 | CFArrayRef list = NULL; /* Keychain list */ | |
918 | # if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) | |
919 | char localname[1024];/* Local hostname */ | |
920 | # endif /* HAVE_DNSSD || HAVE_AVAHI */ | |
921 | ||
922 | ||
923 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
924 | "copy_cdsa_certificate: Looking for certs for \"%s\".", | |
925 | con->servername); | |
926 | ||
927 | if ((err = SecKeychainOpen(ServerCertificate, &keychain))) | |
928 | { | |
929 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\" - %s (%d)", | |
930 | ServerCertificate, cssmErrorString(err), (int)err); | |
931 | goto cleanup; | |
932 | } | |
933 | ||
934 | servername = CFStringCreateWithCString(kCFAllocatorDefault, con->servername, | |
935 | kCFStringEncodingUTF8); | |
936 | ||
937 | policy = SecPolicyCreateSSL(1, servername); | |
938 | ||
939 | if (servername) | |
940 | CFRelease(servername); | |
941 | ||
942 | if (!policy) | |
943 | { | |
944 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create ssl policy reference"); | |
945 | goto cleanup; | |
946 | } | |
947 | ||
948 | if (!(query = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, | |
949 | &kCFTypeDictionaryKeyCallBacks, | |
950 | &kCFTypeDictionaryValueCallBacks))) | |
951 | { | |
952 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create query dictionary"); | |
953 | goto cleanup; | |
954 | } | |
955 | ||
956 | list = CFArrayCreate(kCFAllocatorDefault, (const void **)&keychain, 1, | |
957 | &kCFTypeArrayCallBacks); | |
958 | ||
959 | CFDictionaryAddValue(query, kSecClass, kSecClassIdentity); | |
960 | CFDictionaryAddValue(query, kSecMatchPolicy, policy); | |
961 | CFDictionaryAddValue(query, kSecReturnRef, kCFBooleanTrue); | |
962 | CFDictionaryAddValue(query, kSecMatchLimit, kSecMatchLimitOne); | |
963 | CFDictionaryAddValue(query, kSecMatchSearchList, list); | |
964 | ||
965 | CFRelease(list); | |
966 | ||
967 | err = SecItemCopyMatching(query, (CFTypeRef *)&identity); | |
968 | ||
969 | # if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) | |
970 | if (err && DNSSDHostName) | |
971 | { | |
972 | /* | |
973 | * Search for the connection server name failed; try the DNS-SD .local | |
974 | * hostname instead... | |
975 | */ | |
976 | ||
977 | snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName); | |
978 | ||
979 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
980 | "copy_cdsa_certificate: Looking for certs for \"%s\".", | |
981 | localname); | |
982 | ||
983 | servername = CFStringCreateWithCString(kCFAllocatorDefault, localname, | |
984 | kCFStringEncodingUTF8); | |
985 | ||
986 | CFRelease(policy); | |
987 | ||
988 | policy = SecPolicyCreateSSL(1, servername); | |
989 | ||
990 | if (servername) | |
991 | CFRelease(servername); | |
992 | ||
993 | if (!policy) | |
994 | { | |
995 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create ssl policy reference"); | |
996 | goto cleanup; | |
997 | } | |
998 | ||
999 | CFDictionarySetValue(query, kSecMatchPolicy, policy); | |
1000 | ||
1001 | err = SecItemCopyMatching(query, (CFTypeRef *)&identity); | |
1002 | } | |
1003 | # endif /* HAVE_DNSSD || HAVE_AVAHI */ | |
1004 | ||
1005 | if (err) | |
1006 | { | |
1007 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1008 | "Cannot find signing key in keychain \"%s\": %s (%d)", | |
1009 | ServerCertificate, cssmErrorString(err), (int)err); | |
1010 | goto cleanup; | |
1011 | } | |
1012 | ||
1013 | if (CFGetTypeID(identity) != SecIdentityGetTypeID()) | |
1014 | { | |
1015 | cupsdLogMessage(CUPSD_LOG_ERROR, "SecIdentity CFTypeID failure."); | |
1016 | goto cleanup; | |
1017 | } | |
1018 | ||
1019 | if ((certificates = CFArrayCreate(NULL, (const void **)&identity, | |
1020 | 1, &kCFTypeArrayCallBacks)) == NULL) | |
1021 | { | |
1022 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create certificate array"); | |
1023 | goto cleanup; | |
1024 | } | |
1025 | ||
1026 | cleanup : | |
1027 | ||
1028 | if (keychain) | |
1029 | CFRelease(keychain); | |
1030 | if (search) | |
1031 | CFRelease(search); | |
1032 | if (identity) | |
1033 | CFRelease(identity); | |
1034 | ||
1035 | if (policy) | |
1036 | CFRelease(policy); | |
1037 | if (query) | |
1038 | CFRelease(query); | |
1039 | ||
1040 | return (certificates); | |
1041 | } | |
1042 | ||
1043 | ||
1044 | /* | |
1045 | * 'make_certificate()' - Make a self-signed SSL/TLS certificate. | |
1046 | */ | |
1047 | ||
1048 | static int /* O - 1 on success, 0 on failure */ | |
1049 | make_certificate(cupsd_client_t *con) /* I - Client connection */ | |
1050 | { | |
1051 | # ifdef HAVE_SECGENERATESELFSIGNEDCERTIFICATE | |
1052 | int status = 0; /* Return status */ | |
1053 | OSStatus err; /* Error code (if any) */ | |
1054 | # if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) | |
1055 | char localname[1024];/* Local hostname */ | |
1056 | # endif /* HAVE_DNSSD || HAVE_AVAHI */ | |
1057 | const char *servername; /* Name of server in cert */ | |
1058 | CFStringRef cfservername = NULL; | |
1059 | /* CF string for server name */ | |
1060 | SecIdentityRef ident = NULL; /* Identity */ | |
1061 | SecKeyRef publicKey = NULL, | |
1062 | /* Public key */ | |
1063 | privateKey = NULL; | |
1064 | /* Private key */ | |
1065 | CFMutableDictionaryRef keyParams = NULL; | |
1066 | /* Key generation parameters */ | |
1067 | ||
1068 | ||
1069 | cupsdLogMessage(CUPSD_LOG_INFO, | |
1070 | "Generating SSL server key and certificate."); | |
1071 | ||
1072 | # if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) | |
1073 | if (con->servername && isdigit(con->servername[0] & 255) && DNSSDHostName) | |
1074 | { | |
1075 | snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName); | |
1076 | servername = localname; | |
1077 | } | |
1078 | else | |
1079 | # endif /* HAVE_DNSSD || HAVE_AVAHI */ | |
1080 | servername = con->servername; | |
1081 | ||
1082 | cfservername = CFStringCreateWithCString(kCFAllocatorDefault, servername, | |
1083 | kCFStringEncodingUTF8); | |
1084 | if (!cfservername) | |
1085 | goto cleanup; | |
1086 | ||
1087 | /* | |
1088 | * Create a public/private key pair... | |
1089 | */ | |
1090 | ||
1091 | keyParams = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, | |
1092 | &kCFTypeDictionaryKeyCallBacks, | |
1093 | &kCFTypeDictionaryValueCallBacks); | |
1094 | if (!keyParams) | |
1095 | goto cleanup; | |
1096 | ||
1097 | CFDictionaryAddValue(keyParams, kSecAttrKeyType, kSecAttrKeyTypeRSA); | |
1098 | CFDictionaryAddValue(keyParams, kSecAttrKeySizeInBits, CFSTR("2048")); | |
1099 | CFDictionaryAddValue(keyParams, kSecAttrLabel, | |
1100 | CFSTR("CUPS Self-Signed Certificate")); | |
1101 | ||
1102 | err = SecKeyGeneratePair(keyParams, &publicKey, &privateKey); | |
1103 | if (err != noErr) | |
1104 | { | |
1105 | cupsdLogMessage(CUPSD_LOG_DEBUG, "SecKeyGeneratePair returned %ld.", | |
1106 | (long)err); | |
1107 | goto cleanup; | |
1108 | } | |
1109 | ||
1110 | /* | |
1111 | * Create a self-signed certificate using the public/private key pair... | |
1112 | */ | |
1113 | ||
1114 | CFIndex usageInt = kSecKeyUsageAll; | |
1115 | CFNumberRef usage = CFNumberCreate(alloc, kCFNumberCFIndexType, &usageInt); | |
1116 | CFDictionaryRef certParams = CFDictionaryCreateMutable(kCFAllocatorDefault, | |
1117 | kSecCSRBasicContraintsPathLen, CFINT(0), | |
1118 | kSecSubjectAltName, cfservername, | |
1119 | kSecCertificateKeyUsage, usage, | |
1120 | NULL, NULL); | |
1121 | CFRelease(usage); | |
1122 | ||
1123 | const void *ca_o[] = { kSecOidOrganization, CFSTR("") }; | |
1124 | const void *ca_cn[] = { kSecOidCommonName, cfservername }; | |
1125 | CFArrayRef ca_o_dn = CFArrayCreate(kCFAllocatorDefault, ca_o, 2, NULL); | |
1126 | CFArrayRef ca_cn_dn = CFArrayCreate(kCFAllocatorDefault, ca_cn, 2, NULL); | |
1127 | const void *ca_dn_array[2]; | |
1128 | ||
1129 | ca_dn_array[0] = CFArrayCreate(kCFAllocatorDefault, (const void **)&ca_o_dn, | |
1130 | 1, NULL); | |
1131 | ca_dn_array[1] = CFArrayCreate(kCFAllocatorDefault, (const void **)&ca_cn_dn, | |
1132 | 1, NULL); | |
1133 | ||
1134 | CFArrayRef subject = CFArrayCreate(kCFAllocatorDefault, ca_dn_array, 2, | |
1135 | NULL); | |
1136 | SecCertificateRef cert = SecGenerateSelfSignedCertificate(subject, certParams, | |
1137 | publicKey, | |
1138 | privateKey); | |
1139 | CFRelease(subject); | |
1140 | CFRelease(certParams); | |
1141 | ||
1142 | if (!cert) | |
1143 | { | |
1144 | cupsdLogMessage(CUPSD_LOG_DEBUG, "SecGenerateSelfSignedCertificate failed."); | |
1145 | goto cleanup; | |
1146 | } | |
1147 | ||
1148 | ident = SecIdentityCreate(kCFAllocatorDefault, cert, privateKey); | |
1149 | ||
1150 | if (ident) | |
1151 | cupsdLogMessage(CUPSD_LOG_INFO, | |
1152 | "Created SSL server certificate file \"%s\".", | |
1153 | ServerCertificate); | |
1154 | ||
1155 | /* | |
1156 | * Cleanup and return... | |
1157 | */ | |
1158 | ||
1159 | cleanup: | |
1160 | ||
1161 | if (cfservername) | |
1162 | CFRelease(cfservername); | |
1163 | ||
1164 | if (keyParams) | |
1165 | CFRelease(keyParams); | |
1166 | ||
1167 | if (ident) | |
1168 | CFRelease(ident); | |
1169 | ||
1170 | if (cert) | |
1171 | CFRelease(cert); | |
1172 | ||
1173 | if (publicKey) | |
1174 | CFRelease(publicKey); | |
1175 | ||
1176 | if (privateKey) | |
1177 | CFRelease(publicKey); | |
1178 | ||
1179 | if (!status) | |
1180 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1181 | "Unable to create SSL server key and certificate."); | |
1182 | ||
1183 | return (status); | |
1184 | ||
1185 | # else /* !HAVE_SECGENERATESELFSIGNEDCERTIFICATE */ | |
1186 | int pid, /* Process ID of command */ | |
1187 | status; /* Status of command */ | |
1188 | char command[1024], /* Command */ | |
1189 | *argv[4], /* Command-line arguments */ | |
1190 | *envp[MAX_ENV + 1], /* Environment variables */ | |
1191 | keychain[1024], /* Keychain argument */ | |
1192 | infofile[1024], /* Type-in information for cert */ | |
1193 | # if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) | |
1194 | localname[1024], /* Local hostname */ | |
1195 | # endif /* HAVE_DNSSD || HAVE_AVAHI */ | |
1196 | *servername; /* Name of server in cert */ | |
1197 | cups_file_t *fp; /* Seed/info file */ | |
1198 | int infofd; /* Info file descriptor */ | |
1199 | ||
1200 | ||
1201 | # if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) | |
1202 | if (con->servername && isdigit(con->servername[0] & 255) && DNSSDHostName) | |
1203 | { | |
1204 | snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName); | |
1205 | servername = localname; | |
1206 | } | |
1207 | else | |
1208 | # endif /* HAVE_DNSSD || HAVE_AVAHI */ | |
1209 | servername = con->servername; | |
1210 | ||
1211 | /* | |
1212 | * Run the "certtool" command to generate a self-signed certificate... | |
1213 | */ | |
1214 | ||
1215 | if (!cupsFileFind("certtool", getenv("PATH"), 1, command, sizeof(command))) | |
1216 | { | |
1217 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1218 | "No SSL certificate and certtool command not found."); | |
1219 | return (0); | |
1220 | } | |
1221 | ||
1222 | /* | |
1223 | * Create a file with the certificate information fields... | |
1224 | * | |
1225 | * Note: This assumes that the default questions are asked by the certtool | |
1226 | * command... | |
1227 | */ | |
1228 | ||
1229 | if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL) | |
1230 | { | |
1231 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1232 | "Unable to create certificate information file %s - %s", | |
1233 | infofile, strerror(errno)); | |
1234 | return (0); | |
1235 | } | |
1236 | ||
1237 | cupsFilePrintf(fp, | |
1238 | "%s\n" /* Enter key and certificate label */ | |
1239 | "r\n" /* Generate RSA key pair */ | |
1240 | "2048\n" /* Key size in bits */ | |
1241 | "y\n" /* OK (y = yes) */ | |
1242 | "b\n" /* Usage (b=signing/encryption) */ | |
1243 | "s\n" /* Sign with SHA1 */ | |
1244 | "y\n" /* OK (y = yes) */ | |
1245 | "%s\n" /* Common name */ | |
1246 | "\n" /* Country (default) */ | |
1247 | "\n" /* Organization (default) */ | |
1248 | "\n" /* Organizational unit (default) */ | |
1249 | "\n" /* State/Province (default) */ | |
1250 | "%s\n" /* Email address */ | |
1251 | "y\n", /* OK (y = yes) */ | |
1252 | servername, servername, ServerAdmin); | |
1253 | cupsFileClose(fp); | |
1254 | ||
1255 | cupsdLogMessage(CUPSD_LOG_INFO, | |
1256 | "Generating SSL server key and certificate."); | |
1257 | ||
1258 | snprintf(keychain, sizeof(keychain), "k=%s", ServerCertificate); | |
1259 | ||
1260 | argv[0] = "certtool"; | |
1261 | argv[1] = "c"; | |
1262 | argv[2] = keychain; | |
1263 | argv[3] = NULL; | |
1264 | ||
1265 | cupsdLoadEnv(envp, MAX_ENV); | |
1266 | ||
1267 | infofd = open(infofile, O_RDONLY); | |
1268 | ||
1269 | if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, NULL, | |
1270 | NULL, &pid)) | |
1271 | { | |
1272 | close(infofd); | |
1273 | unlink(infofile); | |
1274 | return (0); | |
1275 | } | |
1276 | ||
1277 | close(infofd); | |
1278 | unlink(infofile); | |
1279 | ||
1280 | while (waitpid(pid, &status, 0) < 0) | |
1281 | if (errno != EINTR) | |
1282 | { | |
1283 | status = 1; | |
1284 | break; | |
1285 | } | |
1286 | ||
1287 | cupsdFinishProcess(pid, command, sizeof(command), NULL); | |
1288 | ||
1289 | if (status) | |
1290 | { | |
1291 | if (WIFEXITED(status)) | |
1292 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1293 | "Unable to create SSL server key and certificate - " | |
1294 | "the certtool command stopped with status %d.", | |
1295 | WEXITSTATUS(status)); | |
1296 | else | |
1297 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1298 | "Unable to create SSL server key and certificate - " | |
1299 | "the certtool command crashed on signal %d.", | |
1300 | WTERMSIG(status)); | |
1301 | } | |
1302 | else | |
1303 | { | |
1304 | cupsdLogMessage(CUPSD_LOG_INFO, | |
1305 | "Created SSL server certificate file \"%s\".", | |
1306 | ServerCertificate); | |
1307 | } | |
1308 | ||
1309 | return (!status); | |
1310 | # endif /* HAVE_SECGENERATESELFSIGNEDCERTIFICATE */ | |
1311 | } | |
d3d89474 | 1312 | #endif /* 0 */ |
2c85b752 MS |
1313 | |
1314 | ||
1315 | /* | |
1316 | * End of "$Id$". | |
1317 | */ |