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Commit | Line | Data |
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2c85b752 | 1 | /* |
8072030b | 2 | * TLS support code for CUPS on macOS. |
2c85b752 | 3 | * |
1ae693e3 | 4 | * Copyright 2007-2016 by Apple Inc. |
2c85b752 MS |
5 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
6 | * | |
7 | * These coded instructions, statements, and computer programs are the | |
8 | * property of Apple Inc. and are protected by Federal copyright | |
9 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
10 | * which should have been included with this file. If this file is | |
11 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
12 | * | |
13 | * This file is subject to the Apple OS-Developed Software exception. | |
14 | */ | |
15 | ||
ebb24a07 | 16 | /**** This file is included from tls.c ****/ |
2c85b752 MS |
17 | |
18 | /* | |
dafebafd | 19 | * Include necessary headers... |
2c85b752 MS |
20 | */ |
21 | ||
dafebafd MS |
22 | #include <spawn.h> |
23 | ||
24 | extern char **environ; | |
25 | ||
26 | ||
c0459938 MS |
27 | /* |
28 | * Local globals... | |
29 | */ | |
30 | ||
c0459938 MS |
31 | static int tls_auto_create = 0; |
32 | /* Auto-create self-signed certs? */ | |
33 | static char *tls_common_name = NULL; | |
34 | /* Default common name */ | |
fc4bbb58 | 35 | #ifdef HAVE_SECKEYCHAINOPEN |
41e0907c MS |
36 | static SecKeychainRef tls_keychain = NULL; |
37 | /* Server cert keychain */ | |
2274d26b MS |
38 | #else |
39 | static SecIdentityRef tls_selfsigned = NULL; | |
40 | /* Temporary self-signed cert */ | |
fc4bbb58 | 41 | #endif /* HAVE_SECKEYCHAINOPEN */ |
41e0907c MS |
42 | static char *tls_keypath = NULL; |
43 | /* Server cert keychain path */ | |
44 | static _cups_mutex_t tls_mutex = _CUPS_MUTEX_INITIALIZER; | |
45 | /* Mutex for keychain/certs */ | |
4492316e | 46 | static int tls_options = -1;/* Options for TLS connections */ |
c0459938 MS |
47 | |
48 | ||
dafebafd MS |
49 | /* |
50 | * Local functions... | |
51 | */ | |
2c85b752 | 52 | |
41e0907c | 53 | static CFArrayRef http_cdsa_copy_server(const char *common_name); |
2ece34a9 | 54 | static SecCertificateRef http_cdsa_create_credential(http_credential_t *credential); |
fc4bbb58 | 55 | #ifdef HAVE_SECKEYCHAINOPEN |
005f7f1f | 56 | static const char *http_cdsa_default_path(char *buffer, size_t bufsize); |
fc4bbb58 | 57 | #endif /* HAVE_SECKEYCHAINOPEN */ |
41e0907c | 58 | static OSStatus http_cdsa_read(SSLConnectionRef connection, void *data, size_t *dataLength); |
88f1e9c8 | 59 | static int http_cdsa_set_credentials(http_t *http); |
41e0907c | 60 | static OSStatus http_cdsa_write(SSLConnectionRef connection, const void *data, size_t *dataLength); |
2c85b752 MS |
61 | |
62 | ||
3af9ac9e MS |
63 | /* |
64 | * 'cupsMakeServerCredentials()' - Make a self-signed certificate and private key pair. | |
65 | * | |
e1f19878 | 66 | * @since CUPS 2.0/OS 10.10@ |
3af9ac9e MS |
67 | */ |
68 | ||
69 | int /* O - 1 on success, 0 on failure */ | |
70 | cupsMakeServerCredentials( | |
f93b32b6 | 71 | const char *path, /* I - Keychain path or @code NULL@ for default */ |
3af9ac9e MS |
72 | const char *common_name, /* I - Common name */ |
73 | int num_alt_names, /* I - Number of subject alternate names */ | |
74 | const char **alt_names, /* I - Subject Alternate Names */ | |
75 | time_t expiration_date) /* I - Expiration date */ | |
76 | { | |
fc4bbb58 | 77 | #if defined(HAVE_SECGENERATESELFSIGNEDCERTIFICATE) |
41e0907c MS |
78 | int status = 0; /* Return status */ |
79 | OSStatus err; /* Error code (if any) */ | |
80 | CFStringRef cfcommon_name = NULL; | |
81 | /* CF string for server name */ | |
82 | SecIdentityRef ident = NULL; /* Identity */ | |
83 | SecKeyRef publicKey = NULL, | |
84 | /* Public key */ | |
85 | privateKey = NULL; | |
86 | /* Private key */ | |
558883c6 | 87 | SecCertificateRef cert = NULL; /* Self-signed certificate */ |
41e0907c MS |
88 | CFMutableDictionaryRef keyParams = NULL; |
89 | /* Key generation parameters */ | |
90 | ||
91 | ||
172bdf5d MS |
92 | DEBUG_printf(("cupsMakeServerCredentials(path=\"%s\", common_name=\"%s\", num_alt_names=%d, alt_names=%p, expiration_date=%d)", path, common_name, num_alt_names, alt_names, (int)expiration_date)); |
93 | ||
fc4bbb58 | 94 | (void)path; |
3af9ac9e MS |
95 | (void)num_alt_names; |
96 | (void)alt_names; | |
97 | (void)expiration_date; | |
98 | ||
fc4bbb58 MS |
99 | if (path) |
100 | { | |
101 | DEBUG_puts("1cupsMakeServerCredentials: No keychain support compiled in, returning 0."); | |
102 | return (0); | |
103 | } | |
f93b32b6 | 104 | |
2274d26b MS |
105 | if (tls_selfsigned) |
106 | { | |
107 | DEBUG_puts("1cupsMakeServerCredentials: Using existing self-signed cert."); | |
108 | return (1); | |
109 | } | |
110 | ||
f93b32b6 | 111 | cfcommon_name = CFStringCreateWithCString(kCFAllocatorDefault, common_name, kCFStringEncodingUTF8); |
41e0907c | 112 | if (!cfcommon_name) |
2274d26b MS |
113 | { |
114 | DEBUG_puts("1cupsMakeServerCredentials: Unable to create CF string of common name."); | |
41e0907c | 115 | goto cleanup; |
2274d26b | 116 | } |
41e0907c MS |
117 | |
118 | /* | |
119 | * Create a public/private key pair... | |
120 | */ | |
121 | ||
f93b32b6 | 122 | keyParams = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); |
41e0907c | 123 | if (!keyParams) |
2274d26b MS |
124 | { |
125 | DEBUG_puts("1cupsMakeServerCredentials: Unable to create key parameters dictionary."); | |
41e0907c | 126 | goto cleanup; |
2274d26b | 127 | } |
41e0907c | 128 | |
1a7059a0 | 129 | CFDictionaryAddValue(keyParams, kSecAttrKeyType, kSecAttrKeyTypeRSA); |
41e0907c | 130 | CFDictionaryAddValue(keyParams, kSecAttrKeySizeInBits, CFSTR("2048")); |
2274d26b | 131 | CFDictionaryAddValue(keyParams, kSecAttrLabel, cfcommon_name); |
41e0907c MS |
132 | |
133 | err = SecKeyGeneratePair(keyParams, &publicKey, &privateKey); | |
134 | if (err != noErr) | |
2274d26b MS |
135 | { |
136 | DEBUG_printf(("1cupsMakeServerCredentials: Unable to generate key pair: %d.", (int)err)); | |
41e0907c | 137 | goto cleanup; |
2274d26b | 138 | } |
41e0907c MS |
139 | |
140 | /* | |
141 | * Create a self-signed certificate using the public/private key pair... | |
142 | */ | |
143 | ||
144 | CFIndex usageInt = kSecKeyUsageAll; | |
558883c6 MS |
145 | CFNumberRef usage = CFNumberCreate(kCFAllocatorDefault, kCFNumberCFIndexType, &usageInt); |
146 | CFIndex lenInt = 0; | |
147 | CFNumberRef len = CFNumberCreate(kCFAllocatorDefault, kCFNumberCFIndexType, &lenInt); | |
fc4bbb58 MS |
148 | CFTypeRef certKeys[] = { kSecCSRBasicContraintsPathLen, kSecSubjectAltName, kSecCertificateKeyUsage }; |
149 | CFTypeRef certValues[] = { len, cfcommon_name, usage }; | |
150 | CFDictionaryRef certParams = CFDictionaryCreate(kCFAllocatorDefault, certKeys, certValues, sizeof(certKeys) / sizeof(certKeys[0]), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); | |
41e0907c | 151 | CFRelease(usage); |
558883c6 | 152 | CFRelease(len); |
41e0907c MS |
153 | |
154 | const void *ca_o[] = { kSecOidOrganization, CFSTR("") }; | |
155 | const void *ca_cn[] = { kSecOidCommonName, cfcommon_name }; | |
156 | CFArrayRef ca_o_dn = CFArrayCreate(kCFAllocatorDefault, ca_o, 2, NULL); | |
157 | CFArrayRef ca_cn_dn = CFArrayCreate(kCFAllocatorDefault, ca_cn, 2, NULL); | |
158 | const void *ca_dn_array[2]; | |
159 | ||
160 | ca_dn_array[0] = CFArrayCreate(kCFAllocatorDefault, (const void **)&ca_o_dn, 1, NULL); | |
161 | ca_dn_array[1] = CFArrayCreate(kCFAllocatorDefault, (const void **)&ca_cn_dn, 1, NULL); | |
162 | ||
163 | CFArrayRef subject = CFArrayCreate(kCFAllocatorDefault, ca_dn_array, 2, NULL); | |
fc4bbb58 | 164 | |
558883c6 | 165 | cert = SecGenerateSelfSignedCertificate(subject, certParams, publicKey, privateKey); |
fc4bbb58 | 166 | |
41e0907c MS |
167 | CFRelease(subject); |
168 | CFRelease(certParams); | |
169 | ||
170 | if (!cert) | |
2274d26b MS |
171 | { |
172 | DEBUG_puts("1cupsMakeServerCredentials: Unable to create self-signed certificate."); | |
41e0907c | 173 | goto cleanup; |
2274d26b | 174 | } |
41e0907c MS |
175 | |
176 | ident = SecIdentityCreate(kCFAllocatorDefault, cert, privateKey); | |
177 | ||
178 | if (ident) | |
fc4bbb58 | 179 | { |
2274d26b MS |
180 | _cupsMutexLock(&tls_mutex); |
181 | ||
182 | if (tls_selfsigned) | |
183 | CFRelease(ident); | |
184 | else | |
185 | tls_selfsigned = ident; | |
186 | ||
187 | _cupsMutexLock(&tls_mutex); | |
188 | ||
189 | # if 0 /* Someday perhaps SecItemCopyMatching will work for identities, at which point */ | |
fc4bbb58 MS |
190 | CFTypeRef itemKeys[] = { kSecClass, kSecAttrLabel, kSecValueRef }; |
191 | CFTypeRef itemValues[] = { kSecClassIdentity, cfcommon_name, ident }; | |
192 | CFDictionaryRef itemAttrs = CFDictionaryCreate(kCFAllocatorDefault, itemKeys, itemValues, sizeof(itemKeys) / sizeof(itemKeys[0]), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); | |
193 | ||
194 | err = SecItemAdd(itemAttrs, NULL); | |
e34d1ec4 | 195 | /* SecItemAdd consumes itemAttrs... */ |
fc4bbb58 | 196 | |
2274d26b MS |
197 | CFRelease(ident); |
198 | ||
fc4bbb58 | 199 | if (err != noErr) |
2274d26b MS |
200 | { |
201 | DEBUG_printf(("1cupsMakeServerCredentials: Unable to add identity to keychain: %d.", (int)err)); | |
fc4bbb58 | 202 | goto cleanup; |
2274d26b MS |
203 | } |
204 | # endif /* 0 */ | |
fc4bbb58 | 205 | |
41e0907c | 206 | status = 1; |
fc4bbb58 | 207 | } |
2274d26b MS |
208 | else |
209 | DEBUG_puts("1cupsMakeServerCredentials: Unable to create identity from cert and keys."); | |
41e0907c MS |
210 | |
211 | /* | |
212 | * Cleanup and return... | |
213 | */ | |
214 | ||
215 | cleanup: | |
216 | ||
217 | if (cfcommon_name) | |
218 | CFRelease(cfcommon_name); | |
219 | ||
220 | if (keyParams) | |
221 | CFRelease(keyParams); | |
222 | ||
41e0907c MS |
223 | if (cert) |
224 | CFRelease(cert); | |
225 | ||
226 | if (publicKey) | |
227 | CFRelease(publicKey); | |
228 | ||
229 | if (privateKey) | |
2274d26b MS |
230 | CFRelease(privateKey); |
231 | ||
232 | DEBUG_printf(("1cupsMakeServerCredentials: Returning %d.", status)); | |
41e0907c MS |
233 | |
234 | return (status); | |
235 | ||
fc4bbb58 | 236 | #else /* !HAVE_SECGENERATESELFSIGNEDCERTIFICATE */ |
41e0907c | 237 | int pid, /* Process ID of command */ |
7d58a105 MS |
238 | status, /* Status of command */ |
239 | i; /* Looping var */ | |
41e0907c | 240 | char command[1024], /* Command */ |
724f2615 | 241 | *argv[5], /* Command-line arguments */ |
7d58a105 MS |
242 | *envp[1000], /* Environment variables */ |
243 | days[32], /* CERTTOOL_EXPIRATION_DAYS env var */ | |
41e0907c | 244 | keychain[1024], /* Keychain argument */ |
f93b32b6 MS |
245 | infofile[1024], /* Type-in information for cert */ |
246 | filename[1024]; /* Default keychain path */ | |
41e0907c MS |
247 | cups_file_t *fp; /* Seed/info file */ |
248 | ||
249 | ||
807315e6 | 250 | DEBUG_printf(("cupsMakeServerCredentials(path=\"%s\", common_name=\"%s\", num_alt_names=%d, alt_names=%p, expiration_date=%d)", path, common_name, num_alt_names, (void *)alt_names, (int)expiration_date)); |
172bdf5d | 251 | |
41e0907c MS |
252 | (void)num_alt_names; |
253 | (void)alt_names; | |
41e0907c | 254 | |
f93b32b6 | 255 | if (!path) |
005f7f1f | 256 | path = http_cdsa_default_path(filename, sizeof(filename)); |
f93b32b6 | 257 | |
41e0907c MS |
258 | /* |
259 | * Run the "certtool" command to generate a self-signed certificate... | |
260 | */ | |
261 | ||
262 | if (!cupsFileFind("certtool", getenv("PATH"), 1, command, sizeof(command))) | |
263 | return (-1); | |
264 | ||
265 | /* | |
266 | * Create a file with the certificate information fields... | |
267 | * | |
268 | * Note: This assumes that the default questions are asked by the certtool | |
269 | * command... | |
270 | */ | |
271 | ||
272 | if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL) | |
273 | return (-1); | |
274 | ||
275 | cupsFilePrintf(fp, | |
276 | "CUPS Self-Signed Certificate\n" | |
277 | /* Enter key and certificate label */ | |
724f2615 | 278 | "r\n" /* Generate RSA key pair */ |
1ae693e3 | 279 | "2048\n" /* 2048 bit encryption key */ |
41e0907c MS |
280 | "y\n" /* OK (y = yes) */ |
281 | "b\n" /* Usage (b=signing/encryption) */ | |
1ae693e3 | 282 | "2\n" /* Sign with SHA256 */ |
41e0907c MS |
283 | "y\n" /* OK (y = yes) */ |
284 | "%s\n" /* Common name */ | |
285 | "\n" /* Country (default) */ | |
286 | "\n" /* Organization (default) */ | |
287 | "\n" /* Organizational unit (default) */ | |
288 | "\n" /* State/Province (default) */ | |
289 | "\n" /* Email address */ | |
290 | "y\n", /* OK (y = yes) */ | |
291 | common_name); | |
292 | cupsFileClose(fp); | |
293 | ||
294 | snprintf(keychain, sizeof(keychain), "k=%s", path); | |
295 | ||
296 | argv[0] = "certtool"; | |
297 | argv[1] = "c"; | |
298 | argv[2] = keychain; | |
299 | argv[3] = NULL; | |
300 | ||
7d58a105 MS |
301 | snprintf(days, sizeof(days), "CERTTOOL_EXPIRATION_DAYS=%d", (int)((expiration_date - time(NULL) + 86399) / 86400)); |
302 | envp[0] = days; | |
303 | for (i = 0; i < (int)(sizeof(envp) / sizeof(envp[0]) - 2) && environ[i]; i ++) | |
304 | envp[i + 1] = environ[i]; | |
305 | envp[i] = NULL; | |
306 | ||
41e0907c MS |
307 | posix_spawn_file_actions_t actions; /* File actions */ |
308 | ||
309 | posix_spawn_file_actions_init(&actions); | |
310 | posix_spawn_file_actions_addclose(&actions, 0); | |
311 | posix_spawn_file_actions_addopen(&actions, 0, infofile, O_RDONLY, 0); | |
f93b32b6 MS |
312 | posix_spawn_file_actions_addclose(&actions, 1); |
313 | posix_spawn_file_actions_addopen(&actions, 1, "/dev/null", O_WRONLY, 0); | |
314 | posix_spawn_file_actions_addclose(&actions, 2); | |
315 | posix_spawn_file_actions_addopen(&actions, 2, "/dev/null", O_WRONLY, 0); | |
41e0907c | 316 | |
7d58a105 | 317 | if (posix_spawn(&pid, command, &actions, NULL, argv, envp)) |
41e0907c MS |
318 | { |
319 | unlink(infofile); | |
320 | return (-1); | |
321 | } | |
322 | ||
323 | posix_spawn_file_actions_destroy(&actions); | |
324 | ||
325 | unlink(infofile); | |
326 | ||
327 | while (waitpid(pid, &status, 0) < 0) | |
328 | if (errno != EINTR) | |
329 | { | |
330 | status = -1; | |
331 | break; | |
332 | } | |
333 | ||
334 | return (!status); | |
eb66bc71 | 335 | #endif /* HAVE_SECGENERATESELFSIGNEDCERTIFICATE && HAVE_SECKEYCHAINOPEN */ |
3af9ac9e MS |
336 | } |
337 | ||
338 | ||
339 | /* | |
340 | * 'cupsSetServerCredentials()' - Set the default server credentials. | |
341 | * | |
342 | * Note: The server credentials are used by all threads in the running process. | |
343 | * This function is threadsafe. | |
344 | * | |
8072030b | 345 | * @since CUPS 2.0/macOS 10.10@ |
3af9ac9e MS |
346 | */ |
347 | ||
348 | int /* O - 1 on success, 0 on failure */ | |
349 | cupsSetServerCredentials( | |
f93b32b6 | 350 | const char *path, /* I - Keychain path or @code NULL@ for default */ |
3af9ac9e MS |
351 | const char *common_name, /* I - Default common name for server */ |
352 | int auto_create) /* I - 1 = automatically create self-signed certificates */ | |
353 | { | |
a27a134a MS |
354 | DEBUG_printf(("cupsSetServerCredentials(path=\"%s\", common_name=\"%s\", auto_create=%d)", path, common_name, auto_create)); |
355 | ||
eb66bc71 | 356 | #ifdef HAVE_SECKEYCHAINOPEN |
f93b32b6 | 357 | char filename[1024]; /* Filename for keychain */ |
c0459938 | 358 | SecKeychainRef keychain = NULL;/* Temporary keychain */ |
fcea7df4 | 359 | OSStatus status; /* Status code */ |
3af9ac9e | 360 | |
c0459938 | 361 | |
f93b32b6 | 362 | if (!path) |
005f7f1f | 363 | path = http_cdsa_default_path(filename, sizeof(filename)); |
f93b32b6 | 364 | |
fcea7df4 | 365 | if ((status = SecKeychainOpen(path, &keychain)) != noErr) |
c0459938 MS |
366 | { |
367 | /* TODO: Set cups last error string */ | |
fcea7df4 | 368 | DEBUG_printf(("1cupsSetServerCredentials: Unable to open keychain (%d), returning 0.", (int)status)); |
c0459938 MS |
369 | return (0); |
370 | } | |
371 | ||
372 | _cupsMutexLock(&tls_mutex); | |
373 | ||
374 | /* | |
375 | * Close any keychain that is currently open... | |
376 | */ | |
377 | ||
378 | if (tls_keychain) | |
379 | CFRelease(tls_keychain); | |
380 | ||
41e0907c MS |
381 | if (tls_keypath) |
382 | _cupsStrFree(tls_keypath); | |
383 | ||
c0459938 MS |
384 | if (tls_common_name) |
385 | _cupsStrFree(tls_common_name); | |
386 | ||
387 | /* | |
388 | * Save the new keychain... | |
389 | */ | |
390 | ||
391 | tls_keychain = keychain; | |
41e0907c | 392 | tls_keypath = _cupsStrAlloc(path); |
c0459938 MS |
393 | tls_auto_create = auto_create; |
394 | tls_common_name = _cupsStrAlloc(common_name); | |
395 | ||
396 | _cupsMutexUnlock(&tls_mutex); | |
397 | ||
a27a134a | 398 | DEBUG_puts("1cupsSetServerCredentials: Opened keychain, returning 1."); |
c0459938 | 399 | return (1); |
eb66bc71 MS |
400 | |
401 | #else | |
fc4bbb58 MS |
402 | if (path) |
403 | { | |
404 | DEBUG_puts("1cupsSetServerCredentials: No keychain support compiled in, returning 0."); | |
405 | return (0); | |
406 | } | |
407 | ||
408 | tls_auto_create = auto_create; | |
409 | tls_common_name = _cupsStrAlloc(common_name); | |
410 | ||
411 | return (1); | |
eb66bc71 | 412 | #endif /* HAVE_SECKEYCHAINOPEN */ |
3af9ac9e MS |
413 | } |
414 | ||
2c85b752 MS |
415 | |
416 | /* | |
417 | * 'httpCopyCredentials()' - Copy the credentials associated with the peer in | |
418 | * an encrypted connection. | |
419 | * | |
8072030b | 420 | * @since CUPS 1.5/macOS 10.7@ |
2c85b752 MS |
421 | */ |
422 | ||
423 | int /* O - Status of call (0 = success) */ | |
424 | httpCopyCredentials( | |
425 | http_t *http, /* I - Connection to server */ | |
426 | cups_array_t **credentials) /* O - Array of credentials */ | |
427 | { | |
428 | OSStatus error; /* Error code */ | |
429 | SecTrustRef peerTrust; /* Peer trust reference */ | |
430 | CFIndex count; /* Number of credentials */ | |
431 | SecCertificateRef secCert; /* Certificate reference */ | |
432 | CFDataRef data; /* Certificate data */ | |
433 | int i; /* Looping var */ | |
434 | ||
435 | ||
807315e6 | 436 | DEBUG_printf(("httpCopyCredentials(http=%p, credentials=%p)", (void *)http, (void *)credentials)); |
376d7c69 | 437 | |
2c85b752 MS |
438 | if (credentials) |
439 | *credentials = NULL; | |
440 | ||
441 | if (!http || !http->tls || !credentials) | |
442 | return (-1); | |
443 | ||
444 | if (!(error = SSLCopyPeerTrust(http->tls, &peerTrust)) && peerTrust) | |
445 | { | |
376d7c69 MS |
446 | DEBUG_printf(("2httpCopyCredentials: Peer provided %d certificates.", (int)SecTrustGetCertificateCount(peerTrust))); |
447 | ||
2c85b752 MS |
448 | if ((*credentials = cupsArrayNew(NULL, NULL)) != NULL) |
449 | { | |
450 | count = SecTrustGetCertificateCount(peerTrust); | |
451 | ||
452 | for (i = 0; i < count; i ++) | |
453 | { | |
454 | secCert = SecTrustGetCertificateAtIndex(peerTrust, i); | |
376d7c69 MS |
455 | |
456 | #ifdef DEBUG | |
457 | CFStringRef cf_name = SecCertificateCopySubjectSummary(secCert); | |
458 | char name[1024]; | |
459 | if (cf_name) | |
460 | CFStringGetCString(cf_name, name, sizeof(name), kCFStringEncodingUTF8); | |
461 | else | |
462 | strlcpy(name, "unknown", sizeof(name)); | |
463 | ||
464 | DEBUG_printf(("2httpCopyCredentials: Certificate %d name is \"%s\".", i, name)); | |
465 | #endif /* DEBUG */ | |
466 | ||
88f1e9c8 | 467 | if ((data = SecCertificateCopyData(secCert)) != NULL) |
2c85b752 | 468 | { |
376d7c69 MS |
469 | DEBUG_printf(("2httpCopyCredentials: Adding %d byte certificate blob.", (int)CFDataGetLength(data))); |
470 | ||
7e86f2f6 | 471 | httpAddCredential(*credentials, CFDataGetBytePtr(data), (size_t)CFDataGetLength(data)); |
2c85b752 MS |
472 | CFRelease(data); |
473 | } | |
474 | } | |
475 | } | |
476 | ||
477 | CFRelease(peerTrust); | |
478 | } | |
479 | ||
480 | return (error); | |
481 | } | |
482 | ||
483 | ||
484 | /* | |
485 | * '_httpCreateCredentials()' - Create credentials in the internal format. | |
486 | */ | |
487 | ||
488 | http_tls_credentials_t /* O - Internal credentials */ | |
489 | _httpCreateCredentials( | |
490 | cups_array_t *credentials) /* I - Array of credentials */ | |
491 | { | |
492 | CFMutableArrayRef peerCerts; /* Peer credentials reference */ | |
493 | SecCertificateRef secCert; /* Certificate reference */ | |
2c85b752 MS |
494 | http_credential_t *credential; /* Credential data */ |
495 | ||
496 | ||
497 | if (!credentials) | |
498 | return (NULL); | |
499 | ||
500 | if ((peerCerts = CFArrayCreateMutable(kCFAllocatorDefault, | |
501 | cupsArrayCount(credentials), | |
502 | &kCFTypeArrayCallBacks)) == NULL) | |
503 | return (NULL); | |
504 | ||
505 | for (credential = (http_credential_t *)cupsArrayFirst(credentials); | |
506 | credential; | |
507 | credential = (http_credential_t *)cupsArrayNext(credentials)) | |
508 | { | |
9653cfdf | 509 | if ((secCert = http_cdsa_create_credential(credential)) != NULL) |
2c85b752 | 510 | { |
9653cfdf MS |
511 | CFArrayAppendValue(peerCerts, secCert); |
512 | CFRelease(secCert); | |
2c85b752 MS |
513 | } |
514 | } | |
515 | ||
516 | return (peerCerts); | |
517 | } | |
518 | ||
519 | ||
3af9ac9e | 520 | /* |
524c65e6 | 521 | * 'httpCredentialsAreValidForName()' - Return whether the credentials are valid for the given name. |
3af9ac9e | 522 | * |
8072030b | 523 | * @since CUPS 2.0/macOS 10.10@ |
3af9ac9e MS |
524 | */ |
525 | ||
524c65e6 MS |
526 | int /* O - 1 if valid, 0 otherwise */ |
527 | httpCredentialsAreValidForName( | |
528 | cups_array_t *credentials, /* I - Credentials */ | |
529 | const char *common_name) /* I - Name to check */ | |
530 | { | |
531 | SecCertificateRef secCert; /* Certificate reference */ | |
532 | CFStringRef cfcert_name = NULL; | |
533 | /* Certificate's common name (CF string) */ | |
534 | char cert_name[256]; /* Certificate's common name (C string) */ | |
535 | int valid = 1; /* Valid name? */ | |
536 | ||
537 | ||
538 | if ((secCert = http_cdsa_create_credential((http_credential_t *)cupsArrayFirst(credentials))) == NULL) | |
539 | return (0); | |
540 | ||
541 | /* | |
542 | * Compare the common names... | |
543 | */ | |
544 | ||
545 | if ((cfcert_name = SecCertificateCopySubjectSummary(secCert)) == NULL) | |
546 | { | |
547 | /* | |
548 | * Can't get common name, cannot be valid... | |
549 | */ | |
550 | ||
551 | valid = 0; | |
552 | } | |
553 | else if (CFStringGetCString(cfcert_name, cert_name, sizeof(cert_name), kCFStringEncodingUTF8) && | |
554 | _cups_strcasecmp(common_name, cert_name)) | |
555 | { | |
556 | /* | |
557 | * Not an exact match for the common name, check for wildcard certs... | |
558 | */ | |
559 | ||
560 | const char *domain = strchr(common_name, '.'); | |
561 | /* Domain in common name */ | |
562 | ||
563 | if (strncmp(cert_name, "*.", 2) || !domain || _cups_strcasecmp(domain, cert_name + 1)) | |
564 | { | |
565 | /* | |
566 | * Not a wildcard match. | |
567 | */ | |
568 | ||
569 | /* TODO: Check subject alternate names */ | |
570 | valid = 0; | |
571 | } | |
572 | } | |
573 | ||
574 | if (cfcert_name) | |
575 | CFRelease(cfcert_name); | |
576 | ||
577 | CFRelease(secCert); | |
578 | ||
579 | return (valid); | |
580 | } | |
581 | ||
582 | ||
583 | /* | |
584 | * 'httpCredentialsGetTrust()' - Return the trust of credentials. | |
585 | * | |
8072030b | 586 | * @since CUPS 2.0/macOS 10.10@ |
524c65e6 MS |
587 | */ |
588 | ||
589 | http_trust_t /* O - Level of trust */ | |
590 | httpCredentialsGetTrust( | |
376d7c69 MS |
591 | cups_array_t *credentials, /* I - Credentials */ |
592 | const char *common_name) /* I - Common name for trust lookup */ | |
3af9ac9e | 593 | { |
9653cfdf | 594 | SecCertificateRef secCert; /* Certificate reference */ |
524c65e6 MS |
595 | http_trust_t trust = HTTP_TRUST_OK; |
596 | /* Trusted? */ | |
376d7c69 | 597 | cups_array_t *tcreds = NULL; /* Trusted credentials */ |
9653cfdf MS |
598 | _cups_globals_t *cg = _cupsGlobals(); |
599 | /* Per-thread globals */ | |
3af9ac9e | 600 | |
9653cfdf | 601 | |
376d7c69 | 602 | if (!common_name) |
7aeb3615 MS |
603 | { |
604 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No common name specified."), 1); | |
524c65e6 | 605 | return (HTTP_TRUST_UNKNOWN); |
7aeb3615 | 606 | } |
376d7c69 | 607 | |
9653cfdf | 608 | if ((secCert = http_cdsa_create_credential((http_credential_t *)cupsArrayFirst(credentials))) == NULL) |
7aeb3615 MS |
609 | { |
610 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to create credentials from array."), 1); | |
524c65e6 | 611 | return (HTTP_TRUST_UNKNOWN); |
7aeb3615 | 612 | } |
9653cfdf | 613 | |
3abb875b MS |
614 | if (cg->any_root < 0) |
615 | _cupsSetDefaults(); | |
616 | ||
376d7c69 | 617 | /* |
88f1e9c8 | 618 | * Look this common name up in the default keychains... |
376d7c69 MS |
619 | */ |
620 | ||
88f1e9c8 | 621 | httpLoadCredentials(NULL, &tcreds, common_name); |
376d7c69 MS |
622 | |
623 | if (tcreds) | |
624 | { | |
625 | char credentials_str[1024], /* String for incoming credentials */ | |
626 | tcreds_str[1024]; /* String for saved credentials */ | |
627 | ||
628 | httpCredentialsString(credentials, credentials_str, sizeof(credentials_str)); | |
629 | httpCredentialsString(tcreds, tcreds_str, sizeof(tcreds_str)); | |
630 | ||
631 | if (strcmp(credentials_str, tcreds_str)) | |
632 | { | |
633 | /* | |
634 | * Credentials don't match, let's look at the expiration date of the new | |
635 | * credentials and allow if the new ones have a later expiration... | |
636 | */ | |
637 | ||
08d56b1f MS |
638 | if (!cg->trust_first) |
639 | { | |
640 | /* | |
641 | * Do not trust certificates on first use... | |
642 | */ | |
643 | ||
7aeb3615 MS |
644 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Trust on first use is disabled."), 1); |
645 | ||
08d56b1f MS |
646 | trust = HTTP_TRUST_INVALID; |
647 | } | |
7aeb3615 | 648 | else if (httpCredentialsGetExpiration(credentials) <= httpCredentialsGetExpiration(tcreds)) |
376d7c69 MS |
649 | { |
650 | /* | |
7aeb3615 | 651 | * The new credentials are not newly issued... |
376d7c69 MS |
652 | */ |
653 | ||
7aeb3615 MS |
654 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("New credentials are older than stored credentials."), 1); |
655 | ||
656 | trust = HTTP_TRUST_INVALID; | |
657 | } | |
658 | else if (!httpCredentialsAreValidForName(credentials, common_name)) | |
659 | { | |
660 | /* | |
661 | * The common name does not match the issued certificate... | |
662 | */ | |
663 | ||
664 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("New credentials are not valid for name."), 1); | |
665 | ||
524c65e6 | 666 | trust = HTTP_TRUST_INVALID; |
376d7c69 | 667 | } |
524c65e6 | 668 | else if (httpCredentialsGetExpiration(tcreds) < time(NULL)) |
376d7c69 MS |
669 | { |
670 | /* | |
524c65e6 | 671 | * Save the renewed credentials... |
376d7c69 MS |
672 | */ |
673 | ||
524c65e6 MS |
674 | trust = HTTP_TRUST_RENEWED; |
675 | ||
676 | httpSaveCredentials(NULL, credentials, common_name); | |
376d7c69 MS |
677 | } |
678 | } | |
679 | ||
680 | httpFreeCredentials(tcreds); | |
681 | } | |
f51f3773 | 682 | else if (cg->validate_certs && !httpCredentialsAreValidForName(credentials, common_name)) |
7aeb3615 MS |
683 | { |
684 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No stored credentials, not valid for name."), 1); | |
524c65e6 | 685 | trust = HTTP_TRUST_INVALID; |
7aeb3615 MS |
686 | } |
687 | else if (!cg->trust_first) | |
688 | { | |
689 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Trust on first use is disabled."), 1); | |
690 | trust = HTTP_TRUST_INVALID; | |
691 | } | |
376d7c69 | 692 | |
7aeb3615 MS |
693 | if (trust == HTTP_TRUST_OK && !cg->expired_certs && !SecCertificateIsValid(secCert, CFAbsoluteTimeGetCurrent())) |
694 | { | |
695 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Credentials have expired."), 1); | |
524c65e6 | 696 | trust = HTTP_TRUST_EXPIRED; |
7aeb3615 MS |
697 | } |
698 | ||
699 | if (trust == HTTP_TRUST_OK && !cg->any_root && cupsArrayCount(credentials) == 1) | |
700 | { | |
701 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Self-signed credentials are blocked."), 1); | |
08d56b1f | 702 | trust = HTTP_TRUST_INVALID; |
7aeb3615 | 703 | } |
376d7c69 | 704 | |
9653cfdf MS |
705 | CFRelease(secCert); |
706 | ||
524c65e6 | 707 | return (trust); |
3af9ac9e MS |
708 | } |
709 | ||
710 | ||
711 | /* | |
712 | * 'httpCredentialsGetExpiration()' - Return the expiration date of the credentials. | |
713 | * | |
8072030b | 714 | * @since CUPS 2.0/macOS 10.10@ |
3af9ac9e MS |
715 | */ |
716 | ||
717 | time_t /* O - Expiration date of credentials */ | |
718 | httpCredentialsGetExpiration( | |
719 | cups_array_t *credentials) /* I - Credentials */ | |
720 | { | |
9653cfdf MS |
721 | SecCertificateRef secCert; /* Certificate reference */ |
722 | time_t expiration; /* Expiration date */ | |
3af9ac9e | 723 | |
9653cfdf MS |
724 | |
725 | if ((secCert = http_cdsa_create_credential((http_credential_t *)cupsArrayFirst(credentials))) == NULL) | |
726 | return (0); | |
727 | ||
376d7c69 | 728 | expiration = (time_t)(SecCertificateNotValidAfter(secCert) + kCFAbsoluteTimeIntervalSince1970); |
9653cfdf MS |
729 | |
730 | CFRelease(secCert); | |
731 | ||
732 | return (expiration); | |
3af9ac9e MS |
733 | } |
734 | ||
735 | ||
72d05bc9 MS |
736 | /* |
737 | * 'httpCredentialsString()' - Return a string representing the credentials. | |
738 | * | |
8072030b | 739 | * @since CUPS 2.0/macOS 10.10@ |
72d05bc9 MS |
740 | */ |
741 | ||
742 | size_t /* O - Total size of credentials string */ | |
743 | httpCredentialsString( | |
744 | cups_array_t *credentials, /* I - Credentials */ | |
745 | char *buffer, /* I - Buffer or @code NULL@ */ | |
746 | size_t bufsize) /* I - Size of buffer */ | |
747 | { | |
376d7c69 | 748 | http_credential_t *first; /* First certificate */ |
9653cfdf | 749 | SecCertificateRef secCert; /* Certificate reference */ |
9653cfdf MS |
750 | |
751 | ||
807315e6 | 752 | DEBUG_printf(("httpCredentialsString(credentials=%p, buffer=%p, bufsize=" CUPS_LLFMT ")", (void *)credentials, (void *)buffer, CUPS_LLCAST bufsize)); |
376d7c69 | 753 | |
9653cfdf MS |
754 | if (!buffer) |
755 | return (0); | |
72d05bc9 MS |
756 | |
757 | if (buffer && bufsize > 0) | |
758 | *buffer = '\0'; | |
759 | ||
376d7c69 MS |
760 | if ((first = (http_credential_t *)cupsArrayFirst(credentials)) != NULL && |
761 | (secCert = http_cdsa_create_credential(first)) != NULL) | |
9653cfdf | 762 | { |
376d7c69 MS |
763 | CFStringRef cf_name; /* CF common name string */ |
764 | char name[256]; /* Common name associated with cert */ | |
765 | time_t expiration; /* Expiration date of cert */ | |
766 | _cups_md5_state_t md5_state; /* MD5 state */ | |
767 | unsigned char md5_digest[16]; /* MD5 result */ | |
768 | ||
769 | if ((cf_name = SecCertificateCopySubjectSummary(secCert)) != NULL) | |
9653cfdf | 770 | { |
376d7c69 MS |
771 | CFStringGetCString(cf_name, name, (CFIndex)sizeof(name), kCFStringEncodingUTF8); |
772 | CFRelease(cf_name); | |
9653cfdf | 773 | } |
376d7c69 MS |
774 | else |
775 | strlcpy(name, "unknown", sizeof(name)); | |
776 | ||
777 | expiration = (time_t)(SecCertificateNotValidAfter(secCert) + kCFAbsoluteTimeIntervalSince1970); | |
778 | ||
779 | _cupsMD5Init(&md5_state); | |
780 | _cupsMD5Append(&md5_state, first->data, (int)first->datalen); | |
781 | _cupsMD5Finish(&md5_state, md5_digest); | |
782 | ||
783 | snprintf(buffer, bufsize, "%s / %s / %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", name, httpGetDateString(expiration), md5_digest[0], md5_digest[1], md5_digest[2], md5_digest[3], md5_digest[4], md5_digest[5], md5_digest[6], md5_digest[7], md5_digest[8], md5_digest[9], md5_digest[10], md5_digest[11], md5_digest[12], md5_digest[13], md5_digest[14], md5_digest[15]); | |
9653cfdf MS |
784 | |
785 | CFRelease(secCert); | |
786 | } | |
787 | ||
376d7c69 MS |
788 | DEBUG_printf(("1httpCredentialsString: Returning \"%s\".", buffer)); |
789 | ||
9653cfdf | 790 | return (strlen(buffer)); |
72d05bc9 MS |
791 | } |
792 | ||
793 | ||
2c85b752 MS |
794 | /* |
795 | * '_httpFreeCredentials()' - Free internal credentials. | |
796 | */ | |
797 | ||
798 | void | |
799 | _httpFreeCredentials( | |
800 | http_tls_credentials_t credentials) /* I - Internal credentials */ | |
801 | { | |
802 | if (!credentials) | |
803 | return; | |
804 | ||
805 | CFRelease(credentials); | |
806 | } | |
807 | ||
808 | ||
72d05bc9 MS |
809 | /* |
810 | * 'httpLoadCredentials()' - Load X.509 credentials from a keychain file. | |
811 | * | |
e1f19878 | 812 | * @since CUPS 2.0/OS 10.10@ |
72d05bc9 MS |
813 | */ |
814 | ||
dafebafd | 815 | int /* O - 0 on success, -1 on error */ |
72d05bc9 | 816 | httpLoadCredentials( |
f93b32b6 | 817 | const char *path, /* I - Keychain path or @code NULL@ for default */ |
72d05bc9 MS |
818 | cups_array_t **credentials, /* IO - Credentials */ |
819 | const char *common_name) /* I - Common name for credentials */ | |
820 | { | |
dafebafd | 821 | OSStatus err; /* Error info */ |
fc4bbb58 | 822 | #ifdef HAVE_SECKEYCHAINOPEN |
88f1e9c8 | 823 | char filename[1024]; /* Filename for keychain */ |
dafebafd | 824 | SecKeychainRef keychain = NULL;/* Keychain reference */ |
fc4bbb58 MS |
825 | CFArrayRef list; /* Keychain list */ |
826 | #endif /* HAVE_SECKEYCHAINOPEN */ | |
88f1e9c8 MS |
827 | SecCertificateRef cert = NULL; /* Certificate */ |
828 | CFDataRef data; /* Certificate data */ | |
dafebafd MS |
829 | SecPolicyRef policy = NULL; /* Policy ref */ |
830 | CFStringRef cfcommon_name = NULL; | |
831 | /* Server name */ | |
832 | CFMutableDictionaryRef query = NULL; /* Query qualifiers */ | |
dafebafd MS |
833 | |
834 | ||
807315e6 | 835 | DEBUG_printf(("httpLoadCredentials(path=\"%s\", credentials=%p, common_name=\"%s\")", path, (void *)credentials, common_name)); |
88f1e9c8 MS |
836 | |
837 | if (!credentials) | |
838 | return (-1); | |
839 | ||
840 | *credentials = NULL; | |
841 | ||
fc4bbb58 | 842 | #ifdef HAVE_SECKEYCHAINOPEN |
88f1e9c8 | 843 | if (!path) |
005f7f1f | 844 | path = http_cdsa_default_path(filename, sizeof(filename)); |
88f1e9c8 | 845 | |
88f1e9c8 | 846 | if ((err = SecKeychainOpen(path, &keychain)) != noErr) |
dafebafd MS |
847 | goto cleanup; |
848 | ||
fc4bbb58 MS |
849 | #else |
850 | if (path) | |
851 | return (-1); | |
852 | #endif /* HAVE_SECKEYCHAINOPEN */ | |
853 | ||
dafebafd MS |
854 | cfcommon_name = CFStringCreateWithCString(kCFAllocatorDefault, common_name, kCFStringEncodingUTF8); |
855 | ||
856 | policy = SecPolicyCreateSSL(1, cfcommon_name); | |
857 | ||
858 | if (cfcommon_name) | |
859 | CFRelease(cfcommon_name); | |
860 | ||
861 | if (!policy) | |
862 | goto cleanup; | |
863 | ||
864 | if (!(query = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks))) | |
865 | goto cleanup; | |
866 | ||
88f1e9c8 | 867 | CFDictionaryAddValue(query, kSecClass, kSecClassCertificate); |
dafebafd MS |
868 | CFDictionaryAddValue(query, kSecMatchPolicy, policy); |
869 | CFDictionaryAddValue(query, kSecReturnRef, kCFBooleanTrue); | |
870 | CFDictionaryAddValue(query, kSecMatchLimit, kSecMatchLimitOne); | |
dafebafd | 871 | |
fc4bbb58 MS |
872 | #ifdef HAVE_SECKEYCHAINOPEN |
873 | list = CFArrayCreate(kCFAllocatorDefault, (const void **)&keychain, 1, &kCFTypeArrayCallBacks); | |
874 | CFDictionaryAddValue(query, kSecMatchSearchList, list); | |
dafebafd | 875 | CFRelease(list); |
fc4bbb58 | 876 | #endif /* HAVE_SECKEYCHAINOPEN */ |
dafebafd | 877 | |
88f1e9c8 | 878 | err = SecItemCopyMatching(query, (CFTypeRef *)&cert); |
dafebafd MS |
879 | |
880 | if (err) | |
881 | goto cleanup; | |
882 | ||
88f1e9c8 | 883 | if (CFGetTypeID(cert) != SecCertificateGetTypeID()) |
dafebafd MS |
884 | goto cleanup; |
885 | ||
88f1e9c8 MS |
886 | if ((data = SecCertificateCopyData(cert)) != NULL) |
887 | { | |
888 | DEBUG_printf(("1httpLoadCredentials: Adding %d byte certificate blob.", (int)CFDataGetLength(data))); | |
889 | ||
890 | *credentials = cupsArrayNew(NULL, NULL); | |
891 | httpAddCredential(*credentials, CFDataGetBytePtr(data), (size_t)CFDataGetLength(data)); | |
892 | CFRelease(data); | |
893 | } | |
dafebafd MS |
894 | |
895 | cleanup : | |
896 | ||
fc4bbb58 | 897 | #ifdef HAVE_SECKEYCHAINOPEN |
dafebafd MS |
898 | if (keychain) |
899 | CFRelease(keychain); | |
fc4bbb58 | 900 | #endif /* HAVE_SECKEYCHAINOPEN */ |
88f1e9c8 MS |
901 | if (cert) |
902 | CFRelease(cert); | |
dafebafd MS |
903 | if (policy) |
904 | CFRelease(policy); | |
905 | if (query) | |
906 | CFRelease(query); | |
907 | ||
88f1e9c8 MS |
908 | DEBUG_printf(("1httpLoadCredentials: Returning %d.", *credentials ? 0 : -1)); |
909 | ||
910 | return (*credentials ? 0 : -1); | |
72d05bc9 MS |
911 | } |
912 | ||
913 | ||
72d05bc9 MS |
914 | /* |
915 | * 'httpSaveCredentials()' - Save X.509 credentials to a keychain file. | |
916 | * | |
e1f19878 | 917 | * @since CUPS 2.0/OS 10.10@ |
72d05bc9 MS |
918 | */ |
919 | ||
920 | int /* O - -1 on error, 0 on success */ | |
921 | httpSaveCredentials( | |
f93b32b6 | 922 | const char *path, /* I - Keychain path or @code NULL@ for default */ |
72d05bc9 MS |
923 | cups_array_t *credentials, /* I - Credentials */ |
924 | const char *common_name) /* I - Common name for credentials */ | |
925 | { | |
88f1e9c8 | 926 | int ret = -1; /* Return value */ |
41e0907c | 927 | OSStatus err; /* Error info */ |
fc4bbb58 | 928 | #ifdef HAVE_SECKEYCHAINOPEN |
88f1e9c8 MS |
929 | char filename[1024]; /* Filename for keychain */ |
930 | SecKeychainRef keychain = NULL;/* Keychain reference */ | |
fc4bbb58 MS |
931 | CFArrayRef list; /* Keychain list */ |
932 | #endif /* HAVE_SECKEYCHAINOPEN */ | |
88f1e9c8 | 933 | SecCertificateRef cert = NULL; /* Certificate */ |
88f1e9c8 | 934 | CFMutableDictionaryRef attrs = NULL; /* Attributes for add */ |
41e0907c MS |
935 | |
936 | ||
807315e6 | 937 | DEBUG_printf(("httpSaveCredentials(path=\"%s\", credentials=%p, common_name=\"%s\")", path, (void *)credentials, common_name)); |
88f1e9c8 | 938 | if (!credentials) |
41e0907c MS |
939 | goto cleanup; |
940 | ||
524c65e6 MS |
941 | if (!httpCredentialsAreValidForName(credentials, common_name)) |
942 | { | |
943 | DEBUG_puts("1httpSaveCredentials: Common name does not match."); | |
944 | return (-1); | |
945 | } | |
946 | ||
88f1e9c8 MS |
947 | if ((cert = http_cdsa_create_credential((http_credential_t *)cupsArrayFirst(credentials))) == NULL) |
948 | { | |
949 | DEBUG_puts("1httpSaveCredentials: Unable to create certificate."); | |
41e0907c | 950 | goto cleanup; |
88f1e9c8 | 951 | } |
41e0907c | 952 | |
fc4bbb58 | 953 | #ifdef HAVE_SECKEYCHAINOPEN |
88f1e9c8 | 954 | if (!path) |
005f7f1f | 955 | path = http_cdsa_default_path(filename, sizeof(filename)); |
2c85b752 | 956 | |
88f1e9c8 | 957 | if ((err = SecKeychainOpen(path, &keychain)) != noErr) |
2c85b752 | 958 | { |
88f1e9c8 MS |
959 | DEBUG_printf(("1httpSaveCredentials: SecKeychainOpen returned %d.", (int)err)); |
960 | goto cleanup; | |
2c85b752 | 961 | } |
2c85b752 | 962 | |
fc4bbb58 MS |
963 | #else |
964 | if (path) | |
965 | return (-1); | |
966 | #endif /* HAVE_SECKEYCHAINOPEN */ | |
88f1e9c8 | 967 | |
88f1e9c8 MS |
968 | if ((attrs = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks)) == NULL) |
969 | { | |
970 | DEBUG_puts("1httpSaveCredentials: Unable to create dictionary."); | |
971 | goto cleanup; | |
2c85b752 MS |
972 | } |
973 | ||
88f1e9c8 | 974 | CFDictionaryAddValue(attrs, kSecClass, kSecClassCertificate); |
88f1e9c8 | 975 | CFDictionaryAddValue(attrs, kSecValueRef, cert); |
fc4bbb58 MS |
976 | |
977 | #ifdef HAVE_SECKEYCHAINOPEN | |
978 | if ((list = CFArrayCreate(kCFAllocatorDefault, (const void **)&keychain, 1, &kCFTypeArrayCallBacks)) == NULL) | |
979 | { | |
980 | DEBUG_puts("1httpSaveCredentials: Unable to create list of keychains."); | |
981 | goto cleanup; | |
982 | } | |
88f1e9c8 | 983 | CFDictionaryAddValue(attrs, kSecMatchSearchList, list); |
fc4bbb58 MS |
984 | CFRelease(list); |
985 | #endif /* HAVE_SECKEYCHAINOPEN */ | |
2c85b752 | 986 | |
88f1e9c8 | 987 | /* Note: SecItemAdd consumes "attrs"... */ |
524c65e6 | 988 | err = SecItemAdd(attrs, NULL); |
88f1e9c8 | 989 | DEBUG_printf(("1httpSaveCredentials: SecItemAdd returned %d.", (int)err)); |
2c85b752 | 990 | |
88f1e9c8 | 991 | cleanup : |
2c85b752 | 992 | |
fc4bbb58 | 993 | #ifdef HAVE_SECKEYCHAINOPEN |
88f1e9c8 MS |
994 | if (keychain) |
995 | CFRelease(keychain); | |
fc4bbb58 | 996 | #endif /* HAVE_SECKEYCHAINOPEN */ |
88f1e9c8 MS |
997 | if (cert) |
998 | CFRelease(cert); | |
2c85b752 | 999 | |
88f1e9c8 | 1000 | DEBUG_printf(("1httpSaveCredentials: Returning %d.", ret)); |
2c85b752 | 1001 | |
88f1e9c8 | 1002 | return (ret); |
2c85b752 MS |
1003 | } |
1004 | ||
1005 | ||
1006 | /* | |
25731360 | 1007 | * '_httpTLSInitialize()' - Initialize the TLS stack. |
2c85b752 MS |
1008 | */ |
1009 | ||
25731360 MS |
1010 | void |
1011 | _httpTLSInitialize(void) | |
2c85b752 MS |
1012 | { |
1013 | /* | |
1014 | * Nothing to do... | |
1015 | */ | |
1016 | } | |
1017 | ||
1018 | ||
1019 | /* | |
25731360 | 1020 | * '_httpTLSPending()' - Return the number of pending TLS-encrypted bytes. |
2c85b752 MS |
1021 | */ |
1022 | ||
25731360 MS |
1023 | size_t |
1024 | _httpTLSPending(http_t *http) /* I - HTTP connection */ | |
2c85b752 MS |
1025 | { |
1026 | size_t bytes; /* Bytes that are available */ | |
1027 | ||
1028 | ||
1029 | if (!SSLGetBufferedReadSize(http->tls, &bytes)) | |
1030 | return (bytes); | |
1031 | ||
1032 | return (0); | |
1033 | } | |
1034 | ||
1035 | ||
1036 | /* | |
25731360 | 1037 | * '_httpTLSRead()' - Read from a SSL/TLS connection. |
2c85b752 MS |
1038 | */ |
1039 | ||
25731360 MS |
1040 | int /* O - Bytes read */ |
1041 | _httpTLSRead(http_t *http, /* I - HTTP connection */ | |
2c85b752 MS |
1042 | char *buf, /* I - Buffer to store data */ |
1043 | int len) /* I - Length of buffer */ | |
1044 | { | |
1045 | int result; /* Return value */ | |
1046 | OSStatus error; /* Error info */ | |
1047 | size_t processed; /* Number of bytes processed */ | |
1048 | ||
1049 | ||
7e86f2f6 | 1050 | error = SSLRead(http->tls, buf, (size_t)len, &processed); |
25731360 | 1051 | DEBUG_printf(("6_httpTLSRead: error=%d, processed=%d", (int)error, |
2c85b752 MS |
1052 | (int)processed)); |
1053 | switch (error) | |
1054 | { | |
1055 | case 0 : | |
1056 | result = (int)processed; | |
1057 | break; | |
1058 | ||
1059 | case errSSLWouldBlock : | |
1060 | if (processed) | |
1061 | result = (int)processed; | |
1062 | else | |
1063 | { | |
1064 | result = -1; | |
1065 | errno = EINTR; | |
1066 | } | |
1067 | break; | |
1068 | ||
1069 | case errSSLClosedGraceful : | |
1070 | default : | |
1071 | if (processed) | |
1072 | result = (int)processed; | |
1073 | else | |
1074 | { | |
1075 | result = -1; | |
1076 | errno = EPIPE; | |
1077 | } | |
1078 | break; | |
1079 | } | |
1080 | ||
1081 | return (result); | |
1082 | } | |
1083 | ||
1084 | ||
63aefcd5 MS |
1085 | /* |
1086 | * '_httpTLSSetOptions()' - Set TLS protocol and cipher suite options. | |
1087 | */ | |
1088 | ||
1089 | void | |
1090 | _httpTLSSetOptions(int options) /* I - Options */ | |
1091 | { | |
1092 | tls_options = options; | |
1093 | } | |
1094 | ||
1095 | ||
2c85b752 | 1096 | /* |
25731360 | 1097 | * '_httpTLSStart()' - Set up SSL/TLS support on a connection. |
2c85b752 MS |
1098 | */ |
1099 | ||
25731360 MS |
1100 | int /* O - 0 on success, -1 on failure */ |
1101 | _httpTLSStart(http_t *http) /* I - HTTP connection */ | |
2c85b752 MS |
1102 | { |
1103 | char hostname[256], /* Hostname */ | |
1104 | *hostptr; /* Pointer into hostname */ | |
1105 | _cups_globals_t *cg = _cupsGlobals(); | |
1106 | /* Pointer to library globals */ | |
1107 | OSStatus error; /* Error code */ | |
1108 | const char *message = NULL;/* Error message */ | |
1109 | cups_array_t *credentials; /* Credentials array */ | |
1110 | cups_array_t *names; /* CUPS distinguished names */ | |
1111 | CFArrayRef dn_array; /* CF distinguished names array */ | |
1112 | CFIndex count; /* Number of credentials */ | |
1113 | CFDataRef data; /* Certificate data */ | |
1114 | int i; /* Looping var */ | |
1115 | http_credential_t *credential; /* Credential data */ | |
1116 | ||
1117 | ||
807315e6 | 1118 | DEBUG_printf(("3_httpTLSStart(http=%p)", (void *)http)); |
b37d45d9 MS |
1119 | |
1120 | if (tls_options < 0) | |
1121 | { | |
1122 | DEBUG_puts("4_httpTLSStart: Setting defaults."); | |
1123 | _cupsSetDefaults(); | |
1124 | DEBUG_printf(("4_httpTLSStart: tls_options=%x", tls_options)); | |
1125 | } | |
2c85b752 | 1126 | |
c913d726 | 1127 | #ifdef HAVE_SECKEYCHAINOPEN |
41e0907c | 1128 | if (http->mode == _HTTP_MODE_SERVER && !tls_keychain) |
2c85b752 | 1129 | { |
25731360 | 1130 | DEBUG_puts("4_httpTLSStart: cupsSetServerCredentials not called."); |
41e0907c MS |
1131 | http->error = errno = EINVAL; |
1132 | http->status = HTTP_STATUS_ERROR; | |
1133 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Server credentials not set."), 1); | |
2c85b752 | 1134 | |
41e0907c | 1135 | return (-1); |
2c85b752 | 1136 | } |
2274d26b | 1137 | #endif /* HAVE_SECKEYCHAINOPEN */ |
2c85b752 | 1138 | |
72d05bc9 | 1139 | if ((http->tls = SSLCreateContext(kCFAllocatorDefault, http->mode == _HTTP_MODE_CLIENT ? kSSLClientSide : kSSLServerSide, kSSLStreamType)) == NULL) |
2c85b752 | 1140 | { |
25731360 | 1141 | DEBUG_puts("4_httpTLSStart: SSLCreateContext failed."); |
2c85b752 MS |
1142 | http->error = errno = ENOMEM; |
1143 | http->status = HTTP_STATUS_ERROR; | |
1144 | _cupsSetHTTPError(HTTP_STATUS_ERROR); | |
1145 | ||
1146 | return (-1); | |
1147 | } | |
1148 | ||
1149 | error = SSLSetConnection(http->tls, http); | |
25731360 | 1150 | DEBUG_printf(("4_httpTLSStart: SSLSetConnection, error=%d", (int)error)); |
2c85b752 MS |
1151 | |
1152 | if (!error) | |
1153 | { | |
1154 | error = SSLSetIOFuncs(http->tls, http_cdsa_read, http_cdsa_write); | |
25731360 | 1155 | DEBUG_printf(("4_httpTLSStart: SSLSetIOFuncs, error=%d", (int)error)); |
2c85b752 MS |
1156 | } |
1157 | ||
1158 | if (!error) | |
1159 | { | |
1160 | error = SSLSetSessionOption(http->tls, kSSLSessionOptionBreakOnServerAuth, | |
1161 | true); | |
63aefcd5 MS |
1162 | DEBUG_printf(("4_httpTLSStart: SSLSetSessionOption, error=%d", (int)error)); |
1163 | } | |
1164 | ||
1165 | if (!error) | |
1166 | { | |
ee6226a5 | 1167 | SSLProtocol minProtocol; |
4492316e | 1168 | |
ee6226a5 MS |
1169 | if (tls_options & _HTTP_TLS_DENY_TLS10) |
1170 | minProtocol = kTLSProtocol11; | |
1171 | else if (tls_options & _HTTP_TLS_ALLOW_SSL3) | |
1172 | minProtocol = kSSLProtocol3; | |
1173 | else | |
1174 | minProtocol = kTLSProtocol1; | |
1175 | ||
1176 | error = SSLSetProtocolVersionMin(http->tls, minProtocol); | |
1177 | DEBUG_printf(("4_httpTLSStart: SSLSetProtocolVersionMin(%d), error=%d", minProtocol, (int)error)); | |
63aefcd5 MS |
1178 | } |
1179 | ||
ee6226a5 | 1180 | # if HAVE_SSLSETENABLEDCIPHERS |
63aefcd5 MS |
1181 | if (!error) |
1182 | { | |
1183 | SSLCipherSuite supported[100]; /* Supported cipher suites */ | |
1184 | size_t num_supported; /* Number of supported cipher suites */ | |
1185 | SSLCipherSuite enabled[100]; /* Cipher suites to enable */ | |
1186 | size_t num_enabled; /* Number of cipher suites to enable */ | |
1187 | ||
1188 | num_supported = sizeof(supported) / sizeof(supported[0]); | |
1189 | error = SSLGetSupportedCiphers(http->tls, supported, &num_supported); | |
1190 | ||
1191 | if (!error) | |
1192 | { | |
1193 | DEBUG_printf(("4_httpTLSStart: %d cipher suites supported.", (int)num_supported)); | |
1194 | ||
1195 | for (i = 0, num_enabled = 0; i < (int)num_supported && num_enabled < (sizeof(enabled) / sizeof(enabled[0])); i ++) | |
1196 | { | |
1197 | switch (supported[i]) | |
1198 | { | |
1199 | /* Obviously insecure cipher suites that we never want to use */ | |
1200 | case SSL_NULL_WITH_NULL_NULL : | |
1201 | case SSL_RSA_WITH_NULL_MD5 : | |
1202 | case SSL_RSA_WITH_NULL_SHA : | |
1203 | case SSL_RSA_EXPORT_WITH_RC4_40_MD5 : | |
1204 | case SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5 : | |
1205 | case SSL_RSA_EXPORT_WITH_DES40_CBC_SHA : | |
1206 | case SSL_RSA_WITH_DES_CBC_SHA : | |
1207 | case SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA : | |
1208 | case SSL_DH_DSS_WITH_DES_CBC_SHA : | |
1209 | case SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA : | |
1210 | case SSL_DH_RSA_WITH_DES_CBC_SHA : | |
1211 | case SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA : | |
1212 | case SSL_DHE_DSS_WITH_DES_CBC_SHA : | |
1213 | case SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA : | |
1214 | case SSL_DHE_RSA_WITH_DES_CBC_SHA : | |
1215 | case SSL_DH_anon_EXPORT_WITH_RC4_40_MD5 : | |
1216 | case SSL_DH_anon_WITH_RC4_128_MD5 : | |
1217 | case SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA : | |
1218 | case SSL_DH_anon_WITH_DES_CBC_SHA : | |
1219 | case SSL_DH_anon_WITH_3DES_EDE_CBC_SHA : | |
1220 | case SSL_FORTEZZA_DMS_WITH_NULL_SHA : | |
1221 | case TLS_DH_anon_WITH_AES_128_CBC_SHA : | |
1222 | case TLS_DH_anon_WITH_AES_256_CBC_SHA : | |
1223 | case TLS_ECDH_ECDSA_WITH_NULL_SHA : | |
1224 | case TLS_ECDHE_RSA_WITH_NULL_SHA : | |
1225 | case TLS_ECDH_anon_WITH_NULL_SHA : | |
1226 | case TLS_ECDH_anon_WITH_RC4_128_SHA : | |
1227 | case TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA : | |
1228 | case TLS_ECDH_anon_WITH_AES_128_CBC_SHA : | |
1229 | case TLS_ECDH_anon_WITH_AES_256_CBC_SHA : | |
1230 | case TLS_RSA_WITH_NULL_SHA256 : | |
1231 | case TLS_DH_anon_WITH_AES_128_CBC_SHA256 : | |
1232 | case TLS_DH_anon_WITH_AES_256_CBC_SHA256 : | |
1233 | case TLS_PSK_WITH_NULL_SHA : | |
1234 | case TLS_DHE_PSK_WITH_NULL_SHA : | |
1235 | case TLS_RSA_PSK_WITH_NULL_SHA : | |
1236 | case TLS_DH_anon_WITH_AES_128_GCM_SHA256 : | |
1237 | case TLS_DH_anon_WITH_AES_256_GCM_SHA384 : | |
1238 | case TLS_PSK_WITH_NULL_SHA256 : | |
1239 | case TLS_PSK_WITH_NULL_SHA384 : | |
1240 | case TLS_DHE_PSK_WITH_NULL_SHA256 : | |
1241 | case TLS_DHE_PSK_WITH_NULL_SHA384 : | |
1242 | case TLS_RSA_PSK_WITH_NULL_SHA256 : | |
1243 | case TLS_RSA_PSK_WITH_NULL_SHA384 : | |
1244 | case SSL_RSA_WITH_DES_CBC_MD5 : | |
b37d45d9 | 1245 | DEBUG_printf(("4_httpTLSStart: Excluding insecure cipher suite %d", supported[i])); |
63aefcd5 MS |
1246 | break; |
1247 | ||
1248 | /* RC4 cipher suites that should only be used as a last resort */ | |
1249 | case SSL_RSA_WITH_RC4_128_MD5 : | |
1250 | case SSL_RSA_WITH_RC4_128_SHA : | |
1251 | case TLS_ECDH_ECDSA_WITH_RC4_128_SHA : | |
1252 | case TLS_ECDHE_ECDSA_WITH_RC4_128_SHA : | |
1253 | case TLS_ECDH_RSA_WITH_RC4_128_SHA : | |
1254 | case TLS_ECDHE_RSA_WITH_RC4_128_SHA : | |
1255 | case TLS_PSK_WITH_RC4_128_SHA : | |
1256 | case TLS_DHE_PSK_WITH_RC4_128_SHA : | |
1257 | case TLS_RSA_PSK_WITH_RC4_128_SHA : | |
1258 | if (tls_options & _HTTP_TLS_ALLOW_RC4) | |
1259 | enabled[num_enabled ++] = supported[i]; | |
b37d45d9 MS |
1260 | else |
1261 | DEBUG_printf(("4_httpTLSStart: Excluding RC4 cipher suite %d", supported[i])); | |
63aefcd5 MS |
1262 | break; |
1263 | ||
ee6226a5 MS |
1264 | /* DH/DHE cipher suites that are problematic with parameters < 1024 bits */ |
1265 | case TLS_DH_DSS_WITH_AES_128_CBC_SHA : | |
1266 | case TLS_DH_RSA_WITH_AES_128_CBC_SHA : | |
1267 | case TLS_DHE_DSS_WITH_AES_128_CBC_SHA : | |
1268 | case TLS_DHE_RSA_WITH_AES_128_CBC_SHA : | |
1269 | case TLS_DH_DSS_WITH_AES_256_CBC_SHA : | |
1270 | case TLS_DH_RSA_WITH_AES_256_CBC_SHA : | |
1271 | case TLS_DHE_DSS_WITH_AES_256_CBC_SHA : | |
1272 | case TLS_DHE_RSA_WITH_AES_256_CBC_SHA : | |
1273 | case TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA : | |
1274 | case TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA : | |
bdc4056c | 1275 | // case TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA : |
ee6226a5 MS |
1276 | case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA : |
1277 | case TLS_DH_DSS_WITH_AES_128_CBC_SHA256 : | |
1278 | case TLS_DH_RSA_WITH_AES_128_CBC_SHA256 : | |
1279 | case TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 : | |
1280 | case TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 : | |
1281 | case TLS_DH_DSS_WITH_AES_256_CBC_SHA256 : | |
1282 | case TLS_DH_RSA_WITH_AES_256_CBC_SHA256 : | |
1283 | case TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 : | |
1284 | case TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 : | |
1285 | case TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA : | |
1286 | case TLS_DHE_PSK_WITH_AES_128_CBC_SHA : | |
1287 | case TLS_DHE_PSK_WITH_AES_256_CBC_SHA : | |
bdc4056c MS |
1288 | // case TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 : |
1289 | // case TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 : | |
ee6226a5 MS |
1290 | case TLS_DH_RSA_WITH_AES_128_GCM_SHA256 : |
1291 | case TLS_DH_RSA_WITH_AES_256_GCM_SHA384 : | |
bdc4056c MS |
1292 | // case TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 : |
1293 | // case TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 : | |
ee6226a5 MS |
1294 | case TLS_DH_DSS_WITH_AES_128_GCM_SHA256 : |
1295 | case TLS_DH_DSS_WITH_AES_256_GCM_SHA384 : | |
1296 | case TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 : | |
1297 | case TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 : | |
1298 | case TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 : | |
1299 | case TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 : | |
1300 | if (tls_options & _HTTP_TLS_ALLOW_DH) | |
1301 | enabled[num_enabled ++] = supported[i]; | |
b37d45d9 MS |
1302 | else |
1303 | DEBUG_printf(("4_httpTLSStart: Excluding DH/DHE cipher suite %d", supported[i])); | |
ee6226a5 MS |
1304 | break; |
1305 | ||
63aefcd5 MS |
1306 | /* Anything else we'll assume is secure */ |
1307 | default : | |
1308 | enabled[num_enabled ++] = supported[i]; | |
1309 | break; | |
1310 | } | |
1311 | } | |
1312 | ||
1313 | DEBUG_printf(("4_httpTLSStart: %d cipher suites enabled.", (int)num_enabled)); | |
1314 | error = SSLSetEnabledCiphers(http->tls, enabled, num_enabled); | |
1315 | } | |
2c85b752 | 1316 | } |
ee6226a5 | 1317 | #endif /* HAVE_SSLSETENABLEDCIPHERS */ |
2c85b752 | 1318 | |
41e0907c | 1319 | if (!error && http->mode == _HTTP_MODE_CLIENT) |
2c85b752 | 1320 | { |
41e0907c MS |
1321 | /* |
1322 | * Client: set client-side credentials, if any... | |
1323 | */ | |
1324 | ||
2c85b752 MS |
1325 | if (cg->client_cert_cb) |
1326 | { | |
1327 | error = SSLSetSessionOption(http->tls, | |
1328 | kSSLSessionOptionBreakOnCertRequested, true); | |
25731360 | 1329 | DEBUG_printf(("4_httpTLSStart: kSSLSessionOptionBreakOnCertRequested, " |
2c85b752 MS |
1330 | "error=%d", (int)error)); |
1331 | } | |
1332 | else | |
1333 | { | |
88f1e9c8 MS |
1334 | error = http_cdsa_set_credentials(http); |
1335 | DEBUG_printf(("4_httpTLSStart: http_cdsa_set_credentials, error=%d", | |
2c85b752 MS |
1336 | (int)error)); |
1337 | } | |
1338 | } | |
41e0907c MS |
1339 | else if (!error) |
1340 | { | |
1341 | /* | |
1342 | * Server: find/create a certificate for TLS... | |
1343 | */ | |
1344 | ||
1345 | if (http->fields[HTTP_FIELD_HOST][0]) | |
1346 | { | |
1347 | /* | |
1348 | * Use hostname for TLS upgrade... | |
1349 | */ | |
1350 | ||
1351 | strlcpy(hostname, http->fields[HTTP_FIELD_HOST], sizeof(hostname)); | |
1352 | } | |
1353 | else | |
1354 | { | |
1355 | /* | |
1356 | * Resolve hostname from connection address... | |
1357 | */ | |
1358 | ||
1359 | http_addr_t addr; /* Connection address */ | |
1360 | socklen_t addrlen; /* Length of address */ | |
1361 | ||
1362 | addrlen = sizeof(addr); | |
1363 | if (getsockname(http->fd, (struct sockaddr *)&addr, &addrlen)) | |
1364 | { | |
25731360 | 1365 | DEBUG_printf(("4_httpTLSStart: Unable to get socket address: %s", strerror(errno))); |
41e0907c MS |
1366 | hostname[0] = '\0'; |
1367 | } | |
1368 | else if (httpAddrLocalhost(&addr)) | |
1369 | hostname[0] = '\0'; | |
1370 | else | |
a27a134a MS |
1371 | { |
1372 | httpAddrLookup(&addr, hostname, sizeof(hostname)); | |
25731360 | 1373 | DEBUG_printf(("4_httpTLSStart: Resolved socket address to \"%s\".", hostname)); |
a27a134a | 1374 | } |
41e0907c MS |
1375 | } |
1376 | ||
a27a134a MS |
1377 | if (isdigit(hostname[0] & 255) || hostname[0] == '[') |
1378 | hostname[0] = '\0'; /* Don't allow numeric addresses */ | |
1379 | ||
41e0907c MS |
1380 | if (hostname[0]) |
1381 | http->tls_credentials = http_cdsa_copy_server(hostname); | |
1382 | else if (tls_common_name) | |
1383 | http->tls_credentials = http_cdsa_copy_server(tls_common_name); | |
1384 | ||
1385 | if (!http->tls_credentials && tls_auto_create && (hostname[0] || tls_common_name)) | |
1386 | { | |
25731360 | 1387 | DEBUG_printf(("4_httpTLSStart: Auto-create credentials for \"%s\".", hostname[0] ? hostname : tls_common_name)); |
41e0907c MS |
1388 | |
1389 | if (!cupsMakeServerCredentials(tls_keypath, hostname[0] ? hostname : tls_common_name, 0, NULL, time(NULL) + 365 * 86400)) | |
1390 | { | |
25731360 | 1391 | DEBUG_puts("4_httpTLSStart: cupsMakeServerCredentials failed."); |
41e0907c MS |
1392 | http->error = errno = EINVAL; |
1393 | http->status = HTTP_STATUS_ERROR; | |
1394 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to create server credentials."), 1); | |
1395 | ||
1396 | return (-1); | |
1397 | } | |
1398 | ||
1399 | http->tls_credentials = http_cdsa_copy_server(hostname[0] ? hostname : tls_common_name); | |
1400 | } | |
1401 | ||
1402 | if (!http->tls_credentials) | |
1403 | { | |
25731360 | 1404 | DEBUG_puts("4_httpTLSStart: Unable to find server credentials."); |
41e0907c MS |
1405 | http->error = errno = EINVAL; |
1406 | http->status = HTTP_STATUS_ERROR; | |
1407 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to find server credentials."), 1); | |
1408 | ||
1409 | return (-1); | |
1410 | } | |
1411 | ||
1412 | error = SSLSetCertificate(http->tls, http->tls_credentials); | |
1413 | ||
25731360 | 1414 | DEBUG_printf(("4_httpTLSStart: SSLSetCertificate, error=%d", (int)error)); |
41e0907c MS |
1415 | } |
1416 | ||
807315e6 | 1417 | DEBUG_printf(("4_httpTLSStart: tls_credentials=%p", (void *)http->tls_credentials)); |
2c85b752 MS |
1418 | |
1419 | /* | |
1420 | * Let the server know which hostname/domain we are trying to connect to | |
1421 | * in case it wants to serve up a certificate with a matching common name. | |
1422 | */ | |
1423 | ||
41e0907c | 1424 | if (!error && http->mode == _HTTP_MODE_CLIENT) |
2c85b752 | 1425 | { |
41e0907c MS |
1426 | /* |
1427 | * Client: get the hostname to use for TLS... | |
1428 | */ | |
1429 | ||
1430 | if (httpAddrLocalhost(http->hostaddr)) | |
1431 | { | |
1432 | strlcpy(hostname, "localhost", sizeof(hostname)); | |
1433 | } | |
1434 | else | |
1435 | { | |
1436 | /* | |
1437 | * Otherwise make sure the hostname we have does not end in a trailing dot. | |
1438 | */ | |
1439 | ||
1440 | strlcpy(hostname, http->hostname, sizeof(hostname)); | |
1441 | if ((hostptr = hostname + strlen(hostname) - 1) >= hostname && | |
1442 | *hostptr == '.') | |
1443 | *hostptr = '\0'; | |
1444 | } | |
1445 | ||
2c85b752 MS |
1446 | error = SSLSetPeerDomainName(http->tls, hostname, strlen(hostname)); |
1447 | ||
25731360 | 1448 | DEBUG_printf(("4_httpTLSStart: SSLSetPeerDomainName, error=%d", (int)error)); |
2c85b752 MS |
1449 | } |
1450 | ||
1451 | if (!error) | |
1452 | { | |
1453 | int done = 0; /* Are we done yet? */ | |
1454 | ||
1455 | while (!error && !done) | |
1456 | { | |
1457 | error = SSLHandshake(http->tls); | |
1458 | ||
25731360 | 1459 | DEBUG_printf(("4_httpTLSStart: SSLHandshake returned %d.", (int)error)); |
2c85b752 MS |
1460 | |
1461 | switch (error) | |
1462 | { | |
1463 | case noErr : | |
1464 | done = 1; | |
1465 | break; | |
1466 | ||
1467 | case errSSLWouldBlock : | |
1468 | error = noErr; /* Force a retry */ | |
1469 | usleep(1000); /* in 1 millisecond */ | |
1470 | break; | |
1471 | ||
1472 | case errSSLServerAuthCompleted : | |
1473 | error = 0; | |
1474 | if (cg->server_cert_cb) | |
1475 | { | |
1476 | error = httpCopyCredentials(http, &credentials); | |
1477 | if (!error) | |
1478 | { | |
1479 | error = (cg->server_cert_cb)(http, http->tls, credentials, | |
1480 | cg->server_cert_data); | |
1481 | httpFreeCredentials(credentials); | |
1482 | } | |
1483 | ||
25731360 | 1484 | DEBUG_printf(("4_httpTLSStart: Server certificate callback " |
2c85b752 MS |
1485 | "returned %d.", (int)error)); |
1486 | } | |
1487 | break; | |
1488 | ||
1489 | case errSSLClientCertRequested : | |
1490 | error = 0; | |
1491 | ||
1492 | if (cg->client_cert_cb) | |
1493 | { | |
1494 | names = NULL; | |
1495 | if (!(error = SSLCopyDistinguishedNames(http->tls, &dn_array)) && | |
1496 | dn_array) | |
1497 | { | |
1498 | if ((names = cupsArrayNew(NULL, NULL)) != NULL) | |
1499 | { | |
1500 | for (i = 0, count = CFArrayGetCount(dn_array); i < count; i++) | |
1501 | { | |
1502 | data = (CFDataRef)CFArrayGetValueAtIndex(dn_array, i); | |
1503 | ||
1504 | if ((credential = malloc(sizeof(*credential))) != NULL) | |
1505 | { | |
7e86f2f6 | 1506 | credential->datalen = (size_t)CFDataGetLength(data); |
2c85b752 MS |
1507 | if ((credential->data = malloc(credential->datalen))) |
1508 | { | |
1509 | memcpy((void *)credential->data, CFDataGetBytePtr(data), | |
1510 | credential->datalen); | |
1511 | cupsArrayAdd(names, credential); | |
1512 | } | |
1513 | else | |
1514 | free(credential); | |
1515 | } | |
1516 | } | |
1517 | } | |
1518 | ||
1519 | CFRelease(dn_array); | |
1520 | } | |
1521 | ||
1522 | if (!error) | |
1523 | { | |
1524 | error = (cg->client_cert_cb)(http, http->tls, names, | |
1525 | cg->client_cert_data); | |
1526 | ||
25731360 | 1527 | DEBUG_printf(("4_httpTLSStart: Client certificate callback " |
2c85b752 MS |
1528 | "returned %d.", (int)error)); |
1529 | } | |
1530 | ||
1531 | httpFreeCredentials(names); | |
1532 | } | |
1533 | break; | |
1534 | ||
1535 | case errSSLUnknownRootCert : | |
1536 | message = _("Unable to establish a secure connection to host " | |
1537 | "(untrusted certificate)."); | |
1538 | break; | |
1539 | ||
1540 | case errSSLNoRootCert : | |
1541 | message = _("Unable to establish a secure connection to host " | |
1542 | "(self-signed certificate)."); | |
1543 | break; | |
1544 | ||
1545 | case errSSLCertExpired : | |
1546 | message = _("Unable to establish a secure connection to host " | |
1547 | "(expired certificate)."); | |
1548 | break; | |
1549 | ||
1550 | case errSSLCertNotYetValid : | |
1551 | message = _("Unable to establish a secure connection to host " | |
1552 | "(certificate not yet valid)."); | |
1553 | break; | |
1554 | ||
1555 | case errSSLHostNameMismatch : | |
1556 | message = _("Unable to establish a secure connection to host " | |
1557 | "(host name mismatch)."); | |
1558 | break; | |
1559 | ||
1560 | case errSSLXCertChainInvalid : | |
1561 | message = _("Unable to establish a secure connection to host " | |
1562 | "(certificate chain invalid)."); | |
1563 | break; | |
1564 | ||
1565 | case errSSLConnectionRefused : | |
1566 | message = _("Unable to establish a secure connection to host " | |
1567 | "(peer dropped connection before responding)."); | |
1568 | break; | |
1569 | ||
1570 | default : | |
1571 | break; | |
1572 | } | |
1573 | } | |
1574 | } | |
1575 | ||
1576 | if (error) | |
1577 | { | |
1578 | http->error = error; | |
1579 | http->status = HTTP_STATUS_ERROR; | |
1580 | errno = ECONNREFUSED; | |
1581 | ||
1582 | CFRelease(http->tls); | |
1583 | http->tls = NULL; | |
1584 | ||
1585 | /* | |
1586 | * If an error string wasn't set by the callbacks use a generic one... | |
1587 | */ | |
1588 | ||
1589 | if (!message) | |
1590 | #ifdef HAVE_CSSMERRORSTRING | |
1591 | message = cssmErrorString(error); | |
1592 | #else | |
1593 | message = _("Unable to establish a secure connection to host."); | |
1594 | #endif /* HAVE_CSSMERRORSTRING */ | |
1595 | ||
1596 | _cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, message, 1); | |
1597 | ||
1598 | return (-1); | |
1599 | } | |
1600 | ||
1601 | return (0); | |
1602 | } | |
1603 | ||
1604 | ||
1605 | /* | |
25731360 | 1606 | * '_httpTLSStop()' - Shut down SSL/TLS on a connection. |
2c85b752 MS |
1607 | */ |
1608 | ||
25731360 MS |
1609 | void |
1610 | _httpTLSStop(http_t *http) /* I - HTTP connection */ | |
2c85b752 MS |
1611 | { |
1612 | while (SSLClose(http->tls) == errSSLWouldBlock) | |
1613 | usleep(1000); | |
1614 | ||
1615 | CFRelease(http->tls); | |
1616 | ||
1617 | if (http->tls_credentials) | |
1618 | CFRelease(http->tls_credentials); | |
1619 | ||
1620 | http->tls = NULL; | |
1621 | http->tls_credentials = NULL; | |
1622 | } | |
1623 | ||
1624 | ||
1625 | /* | |
25731360 | 1626 | * '_httpTLSWrite()' - Write to a SSL/TLS connection. |
2c85b752 MS |
1627 | */ |
1628 | ||
25731360 MS |
1629 | int /* O - Bytes written */ |
1630 | _httpTLSWrite(http_t *http, /* I - HTTP connection */ | |
2c85b752 MS |
1631 | const char *buf, /* I - Buffer holding data */ |
1632 | int len) /* I - Length of buffer */ | |
1633 | { | |
1634 | ssize_t result; /* Return value */ | |
1635 | OSStatus error; /* Error info */ | |
1636 | size_t processed; /* Number of bytes processed */ | |
1637 | ||
1638 | ||
807315e6 | 1639 | DEBUG_printf(("2_httpTLSWrite(http=%p, buf=%p, len=%d)", (void *)http, (void *)buf, len)); |
2c85b752 | 1640 | |
7e86f2f6 | 1641 | error = SSLWrite(http->tls, buf, (size_t)len, &processed); |
2c85b752 MS |
1642 | |
1643 | switch (error) | |
1644 | { | |
1645 | case 0 : | |
1646 | result = (int)processed; | |
1647 | break; | |
1648 | ||
1649 | case errSSLWouldBlock : | |
1650 | if (processed) | |
1651 | { | |
1652 | result = (int)processed; | |
1653 | } | |
1654 | else | |
1655 | { | |
1656 | result = -1; | |
1657 | errno = EINTR; | |
1658 | } | |
1659 | break; | |
1660 | ||
1661 | case errSSLClosedGraceful : | |
1662 | default : | |
1663 | if (processed) | |
1664 | { | |
1665 | result = (int)processed; | |
1666 | } | |
1667 | else | |
1668 | { | |
1669 | result = -1; | |
1670 | errno = EPIPE; | |
1671 | } | |
1672 | break; | |
1673 | } | |
1674 | ||
25731360 | 1675 | DEBUG_printf(("3_httpTLSWrite: Returning %d.", (int)result)); |
2c85b752 MS |
1676 | |
1677 | return ((int)result); | |
1678 | } | |
1679 | ||
1680 | ||
1681 | /* | |
88f1e9c8 | 1682 | * 'http_cdsa_copy_server()' - Find and copy server credentials from the keychain. |
2c85b752 MS |
1683 | */ |
1684 | ||
88f1e9c8 MS |
1685 | static CFArrayRef /* O - Array of certificates or NULL */ |
1686 | http_cdsa_copy_server( | |
1687 | const char *common_name) /* I - Server's hostname */ | |
2c85b752 | 1688 | { |
2274d26b | 1689 | #ifdef HAVE_SECKEYCHAINOPEN |
88f1e9c8 | 1690 | OSStatus err; /* Error info */ |
88f1e9c8 MS |
1691 | SecIdentityRef identity = NULL;/* Identity */ |
1692 | CFArrayRef certificates = NULL; | |
1693 | /* Certificate array */ | |
1694 | SecPolicyRef policy = NULL; /* Policy ref */ | |
1695 | CFStringRef cfcommon_name = NULL; | |
1696 | /* Server name */ | |
1697 | CFMutableDictionaryRef query = NULL; /* Query qualifiers */ | |
1698 | CFArrayRef list = NULL; /* Keychain list */ | |
2c85b752 | 1699 | |
2c85b752 | 1700 | |
2274d26b MS |
1701 | DEBUG_printf(("3http_cdsa_copy_server(common_name=\"%s\")", common_name)); |
1702 | ||
88f1e9c8 | 1703 | cfcommon_name = CFStringCreateWithCString(kCFAllocatorDefault, common_name, kCFStringEncodingUTF8); |
2c85b752 | 1704 | |
88f1e9c8 MS |
1705 | policy = SecPolicyCreateSSL(1, cfcommon_name); |
1706 | ||
88f1e9c8 | 1707 | if (!policy) |
2274d26b MS |
1708 | { |
1709 | DEBUG_puts("4http_cdsa_copy_server: Unable to create SSL policy."); | |
88f1e9c8 | 1710 | goto cleanup; |
2274d26b | 1711 | } |
88f1e9c8 MS |
1712 | |
1713 | if (!(query = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks))) | |
2274d26b MS |
1714 | { |
1715 | DEBUG_puts("4http_cdsa_copy_server: Unable to create query dictionary."); | |
88f1e9c8 | 1716 | goto cleanup; |
2274d26b | 1717 | } |
88f1e9c8 | 1718 | |
f93b32b6 MS |
1719 | _cupsMutexLock(&tls_mutex); |
1720 | ||
88f1e9c8 MS |
1721 | CFDictionaryAddValue(query, kSecClass, kSecClassIdentity); |
1722 | CFDictionaryAddValue(query, kSecMatchPolicy, policy); | |
1723 | CFDictionaryAddValue(query, kSecReturnRef, kCFBooleanTrue); | |
1724 | CFDictionaryAddValue(query, kSecMatchLimit, kSecMatchLimitOne); | |
88f1e9c8 | 1725 | |
fc4bbb58 MS |
1726 | list = CFArrayCreate(kCFAllocatorDefault, (const void **)&tls_keychain, 1, &kCFTypeArrayCallBacks); |
1727 | CFDictionaryAddValue(query, kSecMatchSearchList, list); | |
88f1e9c8 MS |
1728 | CFRelease(list); |
1729 | ||
1730 | err = SecItemCopyMatching(query, (CFTypeRef *)&identity); | |
1731 | ||
f93b32b6 MS |
1732 | _cupsMutexUnlock(&tls_mutex); |
1733 | ||
2274d26b MS |
1734 | if (err != noErr) |
1735 | { | |
1736 | DEBUG_printf(("4http_cdsa_copy_server: SecItemCopyMatching failed with status %d.", (int)err)); | |
88f1e9c8 | 1737 | goto cleanup; |
2274d26b | 1738 | } |
88f1e9c8 MS |
1739 | |
1740 | if (CFGetTypeID(identity) != SecIdentityGetTypeID()) | |
2274d26b MS |
1741 | { |
1742 | DEBUG_puts("4http_cdsa_copy_server: Search returned something that is not an identity."); | |
88f1e9c8 | 1743 | goto cleanup; |
2274d26b | 1744 | } |
88f1e9c8 MS |
1745 | |
1746 | if ((certificates = CFArrayCreate(NULL, (const void **)&identity, 1, &kCFTypeArrayCallBacks)) == NULL) | |
2274d26b MS |
1747 | { |
1748 | DEBUG_puts("4http_cdsa_copy_server: Unable to create array of certificates."); | |
88f1e9c8 | 1749 | goto cleanup; |
2274d26b | 1750 | } |
88f1e9c8 MS |
1751 | |
1752 | cleanup : | |
1753 | ||
88f1e9c8 MS |
1754 | if (identity) |
1755 | CFRelease(identity); | |
88f1e9c8 MS |
1756 | if (policy) |
1757 | CFRelease(policy); | |
2274d26b MS |
1758 | if (cfcommon_name) |
1759 | CFRelease(cfcommon_name); | |
88f1e9c8 MS |
1760 | if (query) |
1761 | CFRelease(query); | |
1762 | ||
2274d26b MS |
1763 | DEBUG_printf(("4http_cdsa_copy_server: Returning %p.", (void *)certificates)); |
1764 | ||
88f1e9c8 | 1765 | return (certificates); |
2274d26b MS |
1766 | #else |
1767 | ||
1768 | if (!tls_selfsigned) | |
1769 | return (NULL); | |
1770 | ||
1771 | return (CFArrayCreate(NULL, (const void **)&tls_selfsigned, 1, &kCFTypeArrayCallBacks)); | |
1772 | #endif /* HAVE_SECKEYCHAINOPEN */ | |
2c85b752 MS |
1773 | } |
1774 | ||
1775 | ||
2ece34a9 MS |
1776 | /* |
1777 | * 'http_cdsa_create_credential()' - Create a single credential in the internal format. | |
1778 | */ | |
1779 | ||
1780 | static SecCertificateRef /* O - Certificate */ | |
1781 | http_cdsa_create_credential( | |
1782 | http_credential_t *credential) /* I - Credential */ | |
1783 | { | |
1784 | if (!credential) | |
1785 | return (NULL); | |
1786 | ||
1787 | return (SecCertificateCreateWithBytes(kCFAllocatorDefault, credential->data, (CFIndex)credential->datalen)); | |
1788 | } | |
1789 | ||
1790 | ||
fc4bbb58 | 1791 | #ifdef HAVE_SECKEYCHAINOPEN |
005f7f1f MS |
1792 | /* |
1793 | * 'http_cdsa_default_path()' - Get the default keychain path. | |
1794 | */ | |
1795 | ||
1796 | static const char * /* O - Keychain path */ | |
1797 | http_cdsa_default_path(char *buffer, /* I - Path buffer */ | |
1798 | size_t bufsize) /* I - Size of buffer */ | |
1799 | { | |
1800 | const char *home = getenv("HOME"); /* HOME environment variable */ | |
1801 | ||
1802 | ||
1803 | if (getuid() && home) | |
1804 | snprintf(buffer, bufsize, "%s/Library/Keychains/login.keychain", home); | |
1805 | else | |
1806 | strlcpy(buffer, "/Library/Keychains/System.keychain", bufsize); | |
1807 | ||
1808 | DEBUG_printf(("1http_cdsa_default_path: Using default path \"%s\".", buffer)); | |
1809 | ||
1810 | return (buffer); | |
1811 | } | |
fc4bbb58 | 1812 | #endif /* HAVE_SECKEYCHAINOPEN */ |
005f7f1f MS |
1813 | |
1814 | ||
2c85b752 | 1815 | /* |
88f1e9c8 | 1816 | * 'http_cdsa_read()' - Read function for the CDSA library. |
2c85b752 MS |
1817 | */ |
1818 | ||
88f1e9c8 MS |
1819 | static OSStatus /* O - -1 on error, 0 on success */ |
1820 | http_cdsa_read( | |
1821 | SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
1822 | void *data, /* I - Data buffer */ | |
1823 | size_t *dataLength) /* IO - Number of bytes */ | |
2c85b752 | 1824 | { |
88f1e9c8 MS |
1825 | OSStatus result; /* Return value */ |
1826 | ssize_t bytes; /* Number of bytes read */ | |
1827 | http_t *http; /* HTTP connection */ | |
2c85b752 | 1828 | |
2c85b752 | 1829 | |
88f1e9c8 | 1830 | http = (http_t *)connection; |
2c85b752 | 1831 | |
88f1e9c8 | 1832 | if (!http->blocking) |
2c85b752 MS |
1833 | { |
1834 | /* | |
88f1e9c8 | 1835 | * Make sure we have data before we read... |
2c85b752 MS |
1836 | */ |
1837 | ||
88f1e9c8 MS |
1838 | while (!_httpWait(http, http->wait_value, 0)) |
1839 | { | |
1840 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) | |
1841 | continue; | |
1842 | ||
1843 | http->error = ETIMEDOUT; | |
1844 | return (-1); | |
1845 | } | |
2c85b752 MS |
1846 | } |
1847 | ||
88f1e9c8 | 1848 | do |
2c85b752 | 1849 | { |
88f1e9c8 | 1850 | bytes = recv(http->fd, data, *dataLength, 0); |
2c85b752 | 1851 | } |
88f1e9c8 | 1852 | while (bytes == -1 && (errno == EINTR || errno == EAGAIN)); |
2c85b752 | 1853 | |
88f1e9c8 MS |
1854 | if ((size_t)bytes == *dataLength) |
1855 | { | |
1856 | result = 0; | |
1857 | } | |
1858 | else if (bytes > 0) | |
1859 | { | |
1860 | *dataLength = (size_t)bytes; | |
1861 | result = errSSLWouldBlock; | |
1862 | } | |
1863 | else | |
1864 | { | |
1865 | *dataLength = 0; | |
2c85b752 | 1866 | |
88f1e9c8 MS |
1867 | if (bytes == 0) |
1868 | result = errSSLClosedGraceful; | |
1869 | else if (errno == EAGAIN) | |
1870 | result = errSSLWouldBlock; | |
1871 | else | |
1872 | result = errSSLClosedAbort; | |
1873 | } | |
2c85b752 | 1874 | |
88f1e9c8 MS |
1875 | return (result); |
1876 | } | |
2c85b752 | 1877 | |
2c85b752 | 1878 | |
88f1e9c8 MS |
1879 | /* |
1880 | * 'http_cdsa_set_credentials()' - Set the TLS credentials. | |
1881 | */ | |
2c85b752 | 1882 | |
88f1e9c8 MS |
1883 | static int /* O - Status of connection */ |
1884 | http_cdsa_set_credentials(http_t *http) /* I - HTTP connection */ | |
1885 | { | |
1886 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
1887 | OSStatus error = 0; /* Error code */ | |
1888 | http_tls_credentials_t credentials = NULL; | |
1889 | /* TLS credentials */ | |
2c85b752 | 1890 | |
2c85b752 | 1891 | |
807315e6 | 1892 | DEBUG_printf(("7http_tls_set_credentials(%p)", (void *)http)); |
2c85b752 | 1893 | |
88f1e9c8 MS |
1894 | /* |
1895 | * Prefer connection specific credentials... | |
1896 | */ | |
2c85b752 | 1897 | |
88f1e9c8 MS |
1898 | if ((credentials = http->tls_credentials) == NULL) |
1899 | credentials = cg->tls_credentials; | |
2c85b752 | 1900 | |
88f1e9c8 MS |
1901 | if (credentials) |
1902 | { | |
1903 | error = SSLSetCertificate(http->tls, credentials); | |
1904 | DEBUG_printf(("4http_tls_set_credentials: SSLSetCertificate, error=%d", | |
1905 | (int)error)); | |
2c85b752 | 1906 | } |
88f1e9c8 MS |
1907 | else |
1908 | DEBUG_puts("4http_tls_set_credentials: No credentials to set."); | |
1909 | ||
1910 | return (error); | |
1911 | } | |
1912 | ||
1913 | ||
1914 | /* | |
1915 | * 'http_cdsa_write()' - Write function for the CDSA library. | |
1916 | */ | |
1917 | ||
1918 | static OSStatus /* O - -1 on error, 0 on success */ | |
1919 | http_cdsa_write( | |
1920 | SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
1921 | const void *data, /* I - Data buffer */ | |
1922 | size_t *dataLength) /* IO - Number of bytes */ | |
1923 | { | |
1924 | OSStatus result; /* Return value */ | |
1925 | ssize_t bytes; /* Number of bytes read */ | |
1926 | http_t *http; /* HTTP connection */ | |
2c85b752 | 1927 | |
2c85b752 | 1928 | |
88f1e9c8 MS |
1929 | http = (http_t *)connection; |
1930 | ||
1931 | do | |
2c85b752 | 1932 | { |
88f1e9c8 MS |
1933 | bytes = write(http->fd, data, *dataLength); |
1934 | } | |
1935 | while (bytes == -1 && (errno == EINTR || errno == EAGAIN)); | |
1936 | ||
1937 | if ((size_t)bytes == *dataLength) | |
1938 | { | |
1939 | result = 0; | |
1940 | } | |
1941 | else if (bytes >= 0) | |
1942 | { | |
1943 | *dataLength = (size_t)bytes; | |
1944 | result = errSSLWouldBlock; | |
2c85b752 MS |
1945 | } |
1946 | else | |
88f1e9c8 MS |
1947 | { |
1948 | *dataLength = 0; | |
2c85b752 | 1949 | |
88f1e9c8 MS |
1950 | if (errno == EAGAIN) |
1951 | result = errSSLWouldBlock; | |
1952 | else | |
1953 | result = errSSLClosedAbort; | |
1954 | } | |
1955 | ||
1956 | return (result); | |
2c85b752 | 1957 | } |