2 * TLS check program for CUPS.
4 * Copyright 2007-2017 by Apple Inc.
5 * Copyright 1997-2006 by Easy Software Products.
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 * missing or damaged, see the license at "http://www.cups.org/".
13 * This file is subject to the Apple OS-Developed Software exception.
17 * Include necessary headers...
20 #include "cups-private.h"
24 int main(void) { puts("Sorry, no TLS support compiled in."); return (1); }
31 static void usage(void);
35 * 'main()' - Main entry.
38 int /* O - Exit status */
39 main(int argc
, /* I - Number of command-line arguments */
40 char *argv
[]) /* I - Command-line arguments */
42 int i
; /* Looping var */
43 http_t
*http
; /* HTTP connection */
44 const char *server
= NULL
; /* Hostname from command-line */
45 int port
= 0; /* Port number */
46 const char *cipherName
= "UNKNOWN";/* Cipher suite name */
47 int dhBits
= 0; /* Diffie-Hellman bits */
48 int tlsVersion
= 0; /* TLS version number */
49 char uri
[1024], /* Printer URI */
50 scheme
[32], /* URI scheme */
51 host
[256], /* Hostname */
52 userpass
[256], /* Username/password */
53 resource
[256]; /* Resource path */
54 int af
= AF_UNSPEC
, /* Address family */
55 tls_options
= _HTTP_TLS_NONE
,
57 tls_min_version
= _HTTP_TLS_1_0
,
58 tls_max_version
= _HTTP_TLS_MAX
,
59 verbose
= 0; /* Verbosity */
60 ipp_t
*request
, /* IPP Get-Printer-Attributes request */
61 *response
; /* IPP Get-Printer-Attributes response */
62 ipp_attribute_t
*attr
; /* Current attribute */
63 const char *name
; /* Attribute name */
64 char value
[1024]; /* Attribute (string) value */
65 static const char * const pattrs
[] = /* Requested attributes */
68 "compression-supported",
69 "document-format-supported",
72 "printer-make-and-model",
74 "printer-state-reasons",
76 "uri-authentication-supported",
77 "uri-security-supported"
81 for (i
= 1; i
< argc
; i
++)
83 if (!strcmp(argv
[i
], "--dh"))
85 tls_options
|= _HTTP_TLS_ALLOW_DH
;
87 else if (!strcmp(argv
[i
], "--no-cbc"))
89 tls_options
|= _HTTP_TLS_DENY_CBC
;
91 else if (!strcmp(argv
[i
], "--no-tls10"))
93 tls_min_version
= _HTTP_TLS_1_1
;
95 else if (!strcmp(argv
[i
], "--tls10"))
97 tls_min_version
= _HTTP_TLS_1_0
;
98 tls_max_version
= _HTTP_TLS_1_0
;
100 else if (!strcmp(argv
[i
], "--tls11"))
102 tls_min_version
= _HTTP_TLS_1_1
;
103 tls_max_version
= _HTTP_TLS_1_1
;
105 else if (!strcmp(argv
[i
], "--tls12"))
107 tls_min_version
= _HTTP_TLS_1_2
;
108 tls_max_version
= _HTTP_TLS_1_2
;
110 else if (!strcmp(argv
[i
], "--tls13"))
112 tls_min_version
= _HTTP_TLS_1_3
;
113 tls_max_version
= _HTTP_TLS_1_3
;
115 else if (!strcmp(argv
[i
], "--rc4"))
117 tls_options
|= _HTTP_TLS_ALLOW_RC4
;
119 else if (!strcmp(argv
[i
], "--verbose") || !strcmp(argv
[i
], "-v"))
123 else if (!strcmp(argv
[i
], "-4"))
127 else if (!strcmp(argv
[i
], "-6"))
131 else if (argv
[i
][0] == '-')
133 printf("tlscheck: Unknown option '%s'.\n", argv
[i
]);
138 if (!strncmp(argv
[i
], "ipps://", 7))
140 httpSeparateURI(HTTP_URI_CODING_ALL
, argv
[i
], scheme
, sizeof(scheme
), userpass
, sizeof(userpass
), host
, sizeof(host
), &port
, resource
, sizeof(resource
));
146 strlcpy(resource
, "/ipp/print", sizeof(resource
));
149 else if (!port
&& (argv
[i
][0] == '=' || isdigit(argv
[i
][0] & 255)))
151 if (argv
[i
][0] == '=')
152 port
= atoi(argv
[i
] + 1);
154 port
= atoi(argv
[i
]);
158 printf("tlscheck: Unexpected argument '%s'.\n", argv
[i
]);
169 _httpTLSSetOptions(tls_options
, tls_min_version
, tls_max_version
);
171 http
= httpConnect2(server
, port
, NULL
, af
, HTTP_ENCRYPTION_ALWAYS
, 1, 30000, NULL
);
174 printf("%s: ERROR (%s)\n", server
, cupsLastErrorString());
179 SSLProtocol protocol
;
180 SSLCipherSuite cipher
;
181 char unknownCipherName
[256];
182 int paramsNeeded
= 0;
187 if ((err
= SSLGetNegotiatedProtocolVersion(http
->tls
, &protocol
)) != noErr
)
189 printf("%s: ERROR (No protocol version - %d)\n", server
, (int)err
);
205 case kTLSProtocol11
:
208 case kTLSProtocol12
:
213 if ((err
= SSLGetNegotiatedCipher(http
->tls
, &cipher
)) != noErr
)
215 printf("%s: ERROR (No cipher suite - %d)\n", server
, (int)err
);
222 case TLS_NULL_WITH_NULL_NULL
:
223 cipherName
= "TLS_NULL_WITH_NULL_NULL";
225 case TLS_RSA_WITH_NULL_MD5
:
226 cipherName
= "TLS_RSA_WITH_NULL_MD5";
228 case TLS_RSA_WITH_NULL_SHA
:
229 cipherName
= "TLS_RSA_WITH_NULL_SHA";
231 case TLS_RSA_WITH_RC4_128_MD5
:
232 cipherName
= "TLS_RSA_WITH_RC4_128_MD5";
234 case TLS_RSA_WITH_RC4_128_SHA
:
235 cipherName
= "TLS_RSA_WITH_RC4_128_SHA";
237 case TLS_RSA_WITH_3DES_EDE_CBC_SHA
:
238 cipherName
= "TLS_RSA_WITH_3DES_EDE_CBC_SHA";
240 case TLS_RSA_WITH_NULL_SHA256
:
241 cipherName
= "TLS_RSA_WITH_NULL_SHA256";
243 case TLS_RSA_WITH_AES_128_CBC_SHA256
:
244 cipherName
= "TLS_RSA_WITH_AES_128_CBC_SHA256";
246 case TLS_RSA_WITH_AES_256_CBC_SHA256
:
247 cipherName
= "TLS_RSA_WITH_AES_256_CBC_SHA256";
249 case TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA
:
250 cipherName
= "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA";
253 case TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA
:
254 cipherName
= "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA";
257 case TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA
:
258 cipherName
= "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA";
261 case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
:
262 cipherName
= "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA";
265 case TLS_DH_DSS_WITH_AES_128_CBC_SHA256
:
266 cipherName
= "TLS_DH_DSS_WITH_AES_128_CBC_SHA256";
269 case TLS_DH_RSA_WITH_AES_128_CBC_SHA256
:
270 cipherName
= "TLS_DH_RSA_WITH_AES_128_CBC_SHA256";
273 case TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
:
274 cipherName
= "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256";
277 case TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
:
278 cipherName
= "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256";
281 case TLS_DH_DSS_WITH_AES_256_CBC_SHA256
:
282 cipherName
= "TLS_DH_DSS_WITH_AES_256_CBC_SHA256";
285 case TLS_DH_RSA_WITH_AES_256_CBC_SHA256
:
286 cipherName
= "TLS_DH_RSA_WITH_AES_256_CBC_SHA256";
289 case TLS_DHE_DSS_WITH_AES_256_CBC_SHA256
:
290 cipherName
= "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256";
293 case TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
:
294 cipherName
= "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256";
297 case TLS_DH_anon_WITH_RC4_128_MD5
:
298 cipherName
= "TLS_DH_anon_WITH_RC4_128_MD5";
301 case TLS_DH_anon_WITH_3DES_EDE_CBC_SHA
:
302 cipherName
= "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA";
305 case TLS_DH_anon_WITH_AES_128_CBC_SHA256
:
306 cipherName
= "TLS_DH_anon_WITH_AES_128_CBC_SHA256";
309 case TLS_DH_anon_WITH_AES_256_CBC_SHA256
:
310 cipherName
= "TLS_DH_anon_WITH_AES_256_CBC_SHA256";
313 case TLS_PSK_WITH_RC4_128_SHA
:
314 cipherName
= "TLS_PSK_WITH_RC4_128_SHA";
316 case TLS_PSK_WITH_3DES_EDE_CBC_SHA
:
317 cipherName
= "TLS_PSK_WITH_3DES_EDE_CBC_SHA";
319 case TLS_PSK_WITH_AES_128_CBC_SHA
:
320 cipherName
= "TLS_PSK_WITH_AES_128_CBC_SHA";
322 case TLS_PSK_WITH_AES_256_CBC_SHA
:
323 cipherName
= "TLS_PSK_WITH_AES_256_CBC_SHA";
325 case TLS_DHE_PSK_WITH_RC4_128_SHA
:
326 cipherName
= "TLS_DHE_PSK_WITH_RC4_128_SHA";
329 case TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA
:
330 cipherName
= "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA";
333 case TLS_DHE_PSK_WITH_AES_128_CBC_SHA
:
334 cipherName
= "TLS_DHE_PSK_WITH_AES_128_CBC_SHA";
337 case TLS_DHE_PSK_WITH_AES_256_CBC_SHA
:
338 cipherName
= "TLS_DHE_PSK_WITH_AES_256_CBC_SHA";
341 case TLS_RSA_PSK_WITH_RC4_128_SHA
:
342 cipherName
= "TLS_RSA_PSK_WITH_RC4_128_SHA";
344 case TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA
:
345 cipherName
= "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA";
347 case TLS_RSA_PSK_WITH_AES_128_CBC_SHA
:
348 cipherName
= "TLS_RSA_PSK_WITH_AES_128_CBC_SHA";
350 case TLS_RSA_PSK_WITH_AES_256_CBC_SHA
:
351 cipherName
= "TLS_RSA_PSK_WITH_AES_256_CBC_SHA";
353 case TLS_PSK_WITH_NULL_SHA
:
354 cipherName
= "TLS_PSK_WITH_NULL_SHA";
356 case TLS_DHE_PSK_WITH_NULL_SHA
:
357 cipherName
= "TLS_DHE_PSK_WITH_NULL_SHA";
360 case TLS_RSA_PSK_WITH_NULL_SHA
:
361 cipherName
= "TLS_RSA_PSK_WITH_NULL_SHA";
363 case TLS_RSA_WITH_AES_128_GCM_SHA256
:
364 cipherName
= "TLS_RSA_WITH_AES_128_GCM_SHA256";
366 case TLS_RSA_WITH_AES_256_GCM_SHA384
:
367 cipherName
= "TLS_RSA_WITH_AES_256_GCM_SHA384";
369 case TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
:
370 cipherName
= "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256";
373 case TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
:
374 cipherName
= "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384";
377 case TLS_DH_RSA_WITH_AES_128_GCM_SHA256
:
378 cipherName
= "TLS_DH_RSA_WITH_AES_128_GCM_SHA256";
381 case TLS_DH_RSA_WITH_AES_256_GCM_SHA384
:
382 cipherName
= "TLS_DH_RSA_WITH_AES_256_GCM_SHA384";
385 case TLS_DHE_DSS_WITH_AES_128_GCM_SHA256
:
386 cipherName
= "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256";
389 case TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
:
390 cipherName
= "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384";
393 case TLS_DH_DSS_WITH_AES_128_GCM_SHA256
:
394 cipherName
= "TLS_DH_DSS_WITH_AES_128_GCM_SHA256";
397 case TLS_DH_DSS_WITH_AES_256_GCM_SHA384
:
398 cipherName
= "TLS_DH_DSS_WITH_AES_256_GCM_SHA384";
401 case TLS_DH_anon_WITH_AES_128_GCM_SHA256
:
402 cipherName
= "TLS_DH_anon_WITH_AES_128_GCM_SHA256";
405 case TLS_DH_anon_WITH_AES_256_GCM_SHA384
:
406 cipherName
= "TLS_DH_anon_WITH_AES_256_GCM_SHA384";
409 case TLS_PSK_WITH_AES_128_GCM_SHA256
:
410 cipherName
= "TLS_PSK_WITH_AES_128_GCM_SHA256";
412 case TLS_PSK_WITH_AES_256_GCM_SHA384
:
413 cipherName
= "TLS_PSK_WITH_AES_256_GCM_SHA384";
415 case TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
:
416 cipherName
= "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256";
419 case TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
:
420 cipherName
= "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384";
423 case TLS_RSA_PSK_WITH_AES_128_GCM_SHA256
:
424 cipherName
= "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256";
426 case TLS_RSA_PSK_WITH_AES_256_GCM_SHA384
:
427 cipherName
= "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384";
429 case TLS_PSK_WITH_AES_128_CBC_SHA256
:
430 cipherName
= "TLS_PSK_WITH_AES_128_CBC_SHA256";
432 case TLS_PSK_WITH_AES_256_CBC_SHA384
:
433 cipherName
= "TLS_PSK_WITH_AES_256_CBC_SHA384";
435 case TLS_PSK_WITH_NULL_SHA256
:
436 cipherName
= "TLS_PSK_WITH_NULL_SHA256";
438 case TLS_PSK_WITH_NULL_SHA384
:
439 cipherName
= "TLS_PSK_WITH_NULL_SHA384";
441 case TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
:
442 cipherName
= "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256";
445 case TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
:
446 cipherName
= "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384";
449 case TLS_DHE_PSK_WITH_NULL_SHA256
:
450 cipherName
= "TLS_DHE_PSK_WITH_NULL_SHA256";
453 case TLS_DHE_PSK_WITH_NULL_SHA384
:
454 cipherName
= "TLS_DHE_PSK_WITH_NULL_SHA384";
457 case TLS_RSA_PSK_WITH_AES_128_CBC_SHA256
:
458 cipherName
= "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256";
460 case TLS_RSA_PSK_WITH_AES_256_CBC_SHA384
:
461 cipherName
= "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384";
463 case TLS_RSA_PSK_WITH_NULL_SHA256
:
464 cipherName
= "TLS_RSA_PSK_WITH_NULL_SHA256";
466 case TLS_RSA_PSK_WITH_NULL_SHA384
:
467 cipherName
= "TLS_RSA_PSK_WITH_NULL_SHA384";
469 case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
:
470 cipherName
= "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256";
473 case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
:
474 cipherName
= "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384";
477 case TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
:
478 cipherName
= "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256";
481 case TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
:
482 cipherName
= "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384";
485 case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
:
486 cipherName
= "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256";
489 case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
:
490 cipherName
= "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384";
493 case TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
:
494 cipherName
= "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256";
497 case TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
:
498 cipherName
= "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384";
501 case TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
:
502 cipherName
= "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256";
505 case TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
:
506 cipherName
= "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384";
509 case TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
:
510 cipherName
= "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256";
513 case TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
:
514 cipherName
= "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384";
517 case TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
:
518 cipherName
= "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256";
521 case TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
:
522 cipherName
= "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384";
525 case TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
:
526 cipherName
= "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256";
529 case TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
:
530 cipherName
= "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384";
533 case TLS_RSA_WITH_AES_128_CBC_SHA
:
534 cipherName
= "TLS_RSA_WITH_AES_128_CBC_SHA";
536 case TLS_DH_DSS_WITH_AES_128_CBC_SHA
:
537 cipherName
= "TLS_DH_DSS_WITH_AES_128_CBC_SHA";
540 case TLS_DH_RSA_WITH_AES_128_CBC_SHA
:
541 cipherName
= "TLS_DH_RSA_WITH_AES_128_CBC_SHA";
544 case TLS_DHE_DSS_WITH_AES_128_CBC_SHA
:
545 cipherName
= "TLS_DHE_DSS_WITH_AES_128_CBC_SHA";
548 case TLS_DHE_RSA_WITH_AES_128_CBC_SHA
:
549 cipherName
= "TLS_DHE_RSA_WITH_AES_128_CBC_SHA";
552 case TLS_DH_anon_WITH_AES_128_CBC_SHA
:
553 cipherName
= "TLS_DH_anon_WITH_AES_128_CBC_SHA";
556 case TLS_RSA_WITH_AES_256_CBC_SHA
:
557 cipherName
= "TLS_RSA_WITH_AES_256_CBC_SHA";
559 case TLS_DH_DSS_WITH_AES_256_CBC_SHA
:
560 cipherName
= "TLS_DH_DSS_WITH_AES_256_CBC_SHA";
563 case TLS_DH_RSA_WITH_AES_256_CBC_SHA
:
564 cipherName
= "TLS_DH_RSA_WITH_AES_256_CBC_SHA";
567 case TLS_DHE_DSS_WITH_AES_256_CBC_SHA
:
568 cipherName
= "TLS_DHE_DSS_WITH_AES_256_CBC_SHA";
571 case TLS_DHE_RSA_WITH_AES_256_CBC_SHA
:
572 cipherName
= "TLS_DHE_RSA_WITH_AES_256_CBC_SHA";
575 case TLS_DH_anon_WITH_AES_256_CBC_SHA
:
576 cipherName
= "TLS_DH_anon_WITH_AES_256_CBC_SHA";
579 case TLS_ECDH_ECDSA_WITH_NULL_SHA
:
580 cipherName
= "TLS_ECDH_ECDSA_WITH_NULL_SHA";
583 case TLS_ECDH_ECDSA_WITH_RC4_128_SHA
:
584 cipherName
= "TLS_ECDH_ECDSA_WITH_RC4_128_SHA";
587 case TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
:
588 cipherName
= "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA";
591 case TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
:
592 cipherName
= "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA";
595 case TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
:
596 cipherName
= "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA";
599 case TLS_ECDHE_ECDSA_WITH_NULL_SHA
:
600 cipherName
= "TLS_ECDHE_ECDSA_WITH_NULL_SHA";
603 case TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
:
604 cipherName
= "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA";
607 case TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
:
608 cipherName
= "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA";
611 case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
:
612 cipherName
= "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA";
615 case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
:
616 cipherName
= "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA";
619 case TLS_ECDH_RSA_WITH_NULL_SHA
:
620 cipherName
= "TLS_ECDH_RSA_WITH_NULL_SHA";
623 case TLS_ECDH_RSA_WITH_RC4_128_SHA
:
624 cipherName
= "TLS_ECDH_RSA_WITH_RC4_128_SHA";
627 case TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
:
628 cipherName
= "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA";
631 case TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
:
632 cipherName
= "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA";
635 case TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
:
636 cipherName
= "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA";
639 case TLS_ECDHE_RSA_WITH_NULL_SHA
:
640 cipherName
= "TLS_ECDHE_RSA_WITH_NULL_SHA";
643 case TLS_ECDHE_RSA_WITH_RC4_128_SHA
:
644 cipherName
= "TLS_ECDHE_RSA_WITH_RC4_128_SHA";
647 case TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
:
648 cipherName
= "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA";
651 case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
:
652 cipherName
= "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA";
655 case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
:
656 cipherName
= "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA";
659 case TLS_ECDH_anon_WITH_NULL_SHA
:
660 cipherName
= "TLS_ECDH_anon_WITH_NULL_SHA";
663 case TLS_ECDH_anon_WITH_RC4_128_SHA
:
664 cipherName
= "TLS_ECDH_anon_WITH_RC4_128_SHA";
667 case TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA
:
668 cipherName
= "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA";
671 case TLS_ECDH_anon_WITH_AES_128_CBC_SHA
:
672 cipherName
= "TLS_ECDH_anon_WITH_AES_128_CBC_SHA";
675 case TLS_ECDH_anon_WITH_AES_256_CBC_SHA
:
676 cipherName
= "TLS_ECDH_anon_WITH_AES_256_CBC_SHA";
680 snprintf(unknownCipherName
, sizeof(unknownCipherName
), "UNKNOWN_%04X", cipher
);
681 cipherName
= unknownCipherName
;
685 if (cipher
== TLS_RSA_WITH_RC4_128_MD5
||
686 cipher
== TLS_RSA_WITH_RC4_128_SHA
)
688 printf("%s: ERROR (Printers MUST NOT negotiate RC4 cipher suites.)\n", server
);
693 if ((err
= SSLGetDiffieHellmanParams(http
->tls
, ¶ms
, ¶msLen
)) != noErr
&& paramsNeeded
)
695 printf("%s: ERROR (Unable to get Diffie-Hellman parameters - %d)\n", server
, (int)err
);
700 if (paramsLen
< 128 && paramsLen
!= 0)
702 printf("%s: ERROR (Diffie-Hellman parameters MUST be at least 2048 bits, but Printer uses only %d bits/%d bytes)\n", server
, (int)paramsLen
* 8, (int)paramsLen
);
707 dhBits
= (int)paramsLen
* 8;
708 #endif /* __APPLE__ */
711 printf("%s: OK (TLS: %d.%d, %s, %d DH bits)\n", server
, tlsVersion
/ 10, tlsVersion
% 10, cipherName
, dhBits
);
713 printf("%s: OK (TLS: %d.%d, %s)\n", server
, tlsVersion
/ 10, tlsVersion
% 10, cipherName
);
717 httpAssembleURI(HTTP_URI_CODING_ALL
, uri
, sizeof(uri
), "ipps", NULL
, host
, port
, resource
);
718 request
= ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES
);
719 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri", NULL
, uri
);
720 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
, "requesting-user-name", NULL
, cupsUser());
721 ippAddStrings(request
, IPP_TAG_OPERATION
, IPP_TAG_KEYWORD
, "requested-attributes", (int)(sizeof(pattrs
) / sizeof(pattrs
[0])), NULL
, pattrs
);
723 response
= cupsDoRequest(http
, request
, resource
);
725 for (attr
= ippFirstAttribute(response
); attr
; attr
= ippNextAttribute(response
))
727 if (ippGetGroupTag(attr
) != IPP_TAG_PRINTER
)
730 if ((name
= ippGetName(attr
)) == NULL
)
733 ippAttributeString(attr
, value
, sizeof(value
));
734 printf(" %s=%s\n", name
, value
);
747 * 'usage()' - Show program usage.
753 puts("Usage: ./tlscheck [options] server [port]");
754 puts(" ./tlscheck [options] ipps://server[:port]/path");
757 puts(" --dh Allow DH/DHE key exchange");
758 puts(" --no-cbc Disable CBC cipher suites");
759 puts(" --no-tls10 Disable TLS/1.0");
760 puts(" --rc4 Allow RC4 encryption");
761 puts(" --tls10 Only use TLS/1.0");
762 puts(" --tls11 Only use TLS/1.1");
763 puts(" --tls12 Only use TLS/1.2");
764 puts(" --tls13 Only use TLS/1.3");
765 puts(" --verbose Be verbose");
766 puts(" -4 Connect using IPv4 addresses only");
767 puts(" -6 Connect using IPv6 addresses only");
768 puts(" -v Be verbose");
770 puts("The default port is 631.");
774 #endif /* !HAVE_SSL */