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d02b48c6 | 1 | /* apps/s_client.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
8 | * | |
9 | * This library is free for commercial and non-commercial use as long as | |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
15 | * | |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
52 | * | |
53 | * The licence and distribution terms for any publically available version or | |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
58 | ||
1b1a6e78 | 59 | #include <assert.h> |
8c197cc5 UM |
60 | #include <stdio.h> |
61 | #include <stdlib.h> | |
62 | #include <string.h> | |
63 | #ifdef NO_STDIO | |
64 | #define APPS_WIN16 | |
65 | #endif | |
66 | ||
7d7d2cbc UM |
67 | /* With IPv6, it looks like Digital has mixed up the proper order of |
68 | recursive header file inclusion, resulting in the compiler complaining | |
69 | that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which | |
70 | is needed to have fileno() declared correctly... So let's define u_int */ | |
1e44804e | 71 | #if defined(VMS) && defined(__DECC) && !defined(__U_INT) |
7d7d2cbc UM |
72 | #define __U_INT |
73 | typedef unsigned int u_int; | |
74 | #endif | |
75 | ||
d02b48c6 | 76 | #define USE_SOCKETS |
d02b48c6 | 77 | #include "apps.h" |
ec577822 BM |
78 | #include <openssl/x509.h> |
79 | #include <openssl/ssl.h> | |
80 | #include <openssl/err.h> | |
81 | #include <openssl/pem.h> | |
d02b48c6 RE |
82 | #include "s_apps.h" |
83 | ||
06f4536a DSH |
84 | #ifdef WINDOWS |
85 | #include <conio.h> | |
86 | #endif | |
87 | ||
88 | ||
75e0770d UM |
89 | #if (defined(VMS) && __VMS_VER < 70000000) |
90 | /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ | |
7d7d2cbc UM |
91 | #undef FIONBIO |
92 | #endif | |
93 | ||
d02b48c6 RE |
94 | #undef PROG |
95 | #define PROG s_client_main | |
96 | ||
97 | /*#define SSL_HOST_NAME "www.netscape.com" */ | |
98 | /*#define SSL_HOST_NAME "193.118.187.102" */ | |
99 | #define SSL_HOST_NAME "localhost" | |
100 | ||
101 | /*#define TEST_CERT "client.pem" */ /* no default cert. */ | |
102 | ||
103 | #undef BUFSIZZ | |
104 | #define BUFSIZZ 1024*8 | |
105 | ||
106 | extern int verify_depth; | |
107 | extern int verify_error; | |
108 | ||
109 | #ifdef FIONBIO | |
110 | static int c_nbio=0; | |
111 | #endif | |
112 | static int c_Pause=0; | |
113 | static int c_debug=0; | |
6d02d8e4 | 114 | static int c_showcerts=0; |
d02b48c6 | 115 | |
d02b48c6 RE |
116 | static void sc_usage(void); |
117 | static void print_stuff(BIO *berr,SSL *con,int full); | |
d02b48c6 RE |
118 | static BIO *bio_c_out=NULL; |
119 | static int c_quiet=0; | |
120 | ||
6b691a5c | 121 | static void sc_usage(void) |
d02b48c6 | 122 | { |
b6cff93d | 123 | BIO_printf(bio_err,"usage: s_client args\n"); |
d02b48c6 RE |
124 | BIO_printf(bio_err,"\n"); |
125 | BIO_printf(bio_err," -host host - use -connect instead\n"); | |
126 | BIO_printf(bio_err," -port port - use -connect instead\n"); | |
127 | BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR); | |
128 | ||
129 | BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); | |
130 | BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n"); | |
131 | BIO_printf(bio_err," -key arg - Private key file to use, PEM format assumed, in cert file if\n"); | |
132 | BIO_printf(bio_err," not specified but cert file is.\n"); | |
133 | BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); | |
134 | BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); | |
135 | BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); | |
136 | BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); | |
6d02d8e4 | 137 | BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); |
d02b48c6 RE |
138 | BIO_printf(bio_err," -debug - extra output\n"); |
139 | BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); | |
140 | BIO_printf(bio_err," -state - print the 'ssl' states\n"); | |
141 | #ifdef FIONBIO | |
142 | BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); | |
1bdb8633 | 143 | #endif |
1bdb8633 | 144 | BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); |
d02b48c6 RE |
145 | BIO_printf(bio_err," -quiet - no s_client output\n"); |
146 | BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); | |
147 | BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); | |
58964a49 RE |
148 | BIO_printf(bio_err," -tls1 - just use TLSv1\n"); |
149 | BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); | |
d02b48c6 | 150 | BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); |
657e60fa | 151 | BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); |
dfeab068 | 152 | BIO_printf(bio_err," command to see what is available\n"); |
d02b48c6 RE |
153 | |
154 | } | |
155 | ||
6b691a5c | 156 | int MAIN(int argc, char **argv) |
d02b48c6 | 157 | { |
58964a49 | 158 | int off=0; |
d02b48c6 RE |
159 | SSL *con=NULL,*con2=NULL; |
160 | int s,k,width,state=0; | |
161 | char *cbuf=NULL,*sbuf=NULL; | |
162 | int cbuf_len,cbuf_off; | |
163 | int sbuf_len,sbuf_off; | |
164 | fd_set readfds,writefds; | |
165 | short port=PORT; | |
166 | int full_log=1; | |
167 | char *host=SSL_HOST_NAME; | |
168 | char *cert_file=NULL,*key_file=NULL; | |
169 | char *CApath=NULL,*CAfile=NULL,*cipher=NULL; | |
170 | int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; | |
1bdb8633 | 171 | int crlf=0; |
c7ac31e2 | 172 | int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; |
d02b48c6 RE |
173 | SSL_CTX *ctx=NULL; |
174 | int ret=1,in_init=1,i,nbio_test=0; | |
c3ed3b6e | 175 | int prexit = 0; |
d02b48c6 RE |
176 | SSL_METHOD *meth=NULL; |
177 | BIO *sbio; | |
06f4536a DSH |
178 | #ifdef WINDOWS |
179 | struct timeval tv; | |
180 | #endif | |
d02b48c6 RE |
181 | |
182 | #if !defined(NO_SSL2) && !defined(NO_SSL3) | |
183 | meth=SSLv23_client_method(); | |
184 | #elif !defined(NO_SSL3) | |
185 | meth=SSLv3_client_method(); | |
186 | #elif !defined(NO_SSL2) | |
187 | meth=SSLv2_client_method(); | |
188 | #endif | |
189 | ||
190 | apps_startup(); | |
58964a49 | 191 | c_Pause=0; |
d02b48c6 RE |
192 | c_quiet=0; |
193 | c_debug=0; | |
6d02d8e4 | 194 | c_showcerts=0; |
d02b48c6 RE |
195 | |
196 | if (bio_err == NULL) | |
197 | bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); | |
198 | ||
199 | if ( ((cbuf=Malloc(BUFSIZZ)) == NULL) || | |
200 | ((sbuf=Malloc(BUFSIZZ)) == NULL)) | |
201 | { | |
202 | BIO_printf(bio_err,"out of memory\n"); | |
203 | goto end; | |
204 | } | |
205 | ||
206 | verify_depth=0; | |
207 | verify_error=X509_V_OK; | |
208 | #ifdef FIONBIO | |
209 | c_nbio=0; | |
210 | #endif | |
211 | ||
212 | argc--; | |
213 | argv++; | |
214 | while (argc >= 1) | |
215 | { | |
216 | if (strcmp(*argv,"-host") == 0) | |
217 | { | |
218 | if (--argc < 1) goto bad; | |
219 | host= *(++argv); | |
220 | } | |
221 | else if (strcmp(*argv,"-port") == 0) | |
222 | { | |
223 | if (--argc < 1) goto bad; | |
224 | port=atoi(*(++argv)); | |
225 | if (port == 0) goto bad; | |
226 | } | |
227 | else if (strcmp(*argv,"-connect") == 0) | |
228 | { | |
229 | if (--argc < 1) goto bad; | |
230 | if (!extract_host_port(*(++argv),&host,NULL,&port)) | |
231 | goto bad; | |
232 | } | |
233 | else if (strcmp(*argv,"-verify") == 0) | |
234 | { | |
235 | verify=SSL_VERIFY_PEER; | |
236 | if (--argc < 1) goto bad; | |
237 | verify_depth=atoi(*(++argv)); | |
238 | BIO_printf(bio_err,"verify depth is %d\n",verify_depth); | |
239 | } | |
240 | else if (strcmp(*argv,"-cert") == 0) | |
241 | { | |
242 | if (--argc < 1) goto bad; | |
243 | cert_file= *(++argv); | |
244 | } | |
c3ed3b6e DSH |
245 | else if (strcmp(*argv,"-prexit") == 0) |
246 | prexit=1; | |
1bdb8633 BM |
247 | else if (strcmp(*argv,"-crlf") == 0) |
248 | crlf=1; | |
d02b48c6 RE |
249 | else if (strcmp(*argv,"-quiet") == 0) |
250 | c_quiet=1; | |
251 | else if (strcmp(*argv,"-pause") == 0) | |
252 | c_Pause=1; | |
253 | else if (strcmp(*argv,"-debug") == 0) | |
254 | c_debug=1; | |
6d02d8e4 BM |
255 | else if (strcmp(*argv,"-showcerts") == 0) |
256 | c_showcerts=1; | |
d02b48c6 RE |
257 | else if (strcmp(*argv,"-nbio_test") == 0) |
258 | nbio_test=1; | |
259 | else if (strcmp(*argv,"-state") == 0) | |
260 | state=1; | |
261 | #ifndef NO_SSL2 | |
262 | else if (strcmp(*argv,"-ssl2") == 0) | |
263 | meth=SSLv2_client_method(); | |
264 | #endif | |
265 | #ifndef NO_SSL3 | |
266 | else if (strcmp(*argv,"-ssl3") == 0) | |
267 | meth=SSLv3_client_method(); | |
58964a49 RE |
268 | #endif |
269 | #ifndef NO_TLS1 | |
270 | else if (strcmp(*argv,"-tls1") == 0) | |
271 | meth=TLSv1_client_method(); | |
d02b48c6 RE |
272 | #endif |
273 | else if (strcmp(*argv,"-bugs") == 0) | |
274 | bugs=1; | |
275 | else if (strcmp(*argv,"-key") == 0) | |
276 | { | |
277 | if (--argc < 1) goto bad; | |
278 | key_file= *(++argv); | |
279 | } | |
280 | else if (strcmp(*argv,"-reconnect") == 0) | |
281 | { | |
282 | reconnect=5; | |
283 | } | |
284 | else if (strcmp(*argv,"-CApath") == 0) | |
285 | { | |
286 | if (--argc < 1) goto bad; | |
287 | CApath= *(++argv); | |
288 | } | |
289 | else if (strcmp(*argv,"-CAfile") == 0) | |
290 | { | |
291 | if (--argc < 1) goto bad; | |
292 | CAfile= *(++argv); | |
293 | } | |
58964a49 RE |
294 | else if (strcmp(*argv,"-no_tls1") == 0) |
295 | off|=SSL_OP_NO_TLSv1; | |
296 | else if (strcmp(*argv,"-no_ssl3") == 0) | |
297 | off|=SSL_OP_NO_SSLv3; | |
298 | else if (strcmp(*argv,"-no_ssl2") == 0) | |
299 | off|=SSL_OP_NO_SSLv2; | |
d02b48c6 RE |
300 | else if (strcmp(*argv,"-cipher") == 0) |
301 | { | |
302 | if (--argc < 1) goto bad; | |
303 | cipher= *(++argv); | |
304 | } | |
305 | #ifdef FIONBIO | |
306 | else if (strcmp(*argv,"-nbio") == 0) | |
307 | { c_nbio=1; } | |
308 | #endif | |
309 | else | |
310 | { | |
311 | BIO_printf(bio_err,"unknown option %s\n",*argv); | |
312 | badop=1; | |
313 | break; | |
314 | } | |
315 | argc--; | |
316 | argv++; | |
317 | } | |
318 | if (badop) | |
319 | { | |
320 | bad: | |
321 | sc_usage(); | |
322 | goto end; | |
323 | } | |
324 | ||
a31011e8 BM |
325 | app_RAND_load_file(NULL, bio_err, 0); |
326 | ||
d02b48c6 RE |
327 | if (bio_c_out == NULL) |
328 | { | |
329 | if (c_quiet) | |
330 | { | |
331 | bio_c_out=BIO_new(BIO_s_null()); | |
332 | } | |
333 | else | |
334 | { | |
335 | if (bio_c_out == NULL) | |
336 | bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); | |
337 | } | |
338 | } | |
339 | ||
340 | SSLeay_add_ssl_algorithms(); | |
fabce041 | 341 | SSL_load_error_strings(); |
d02b48c6 RE |
342 | ctx=SSL_CTX_new(meth); |
343 | if (ctx == NULL) | |
344 | { | |
345 | ERR_print_errors(bio_err); | |
346 | goto end; | |
347 | } | |
348 | ||
58964a49 RE |
349 | if (bugs) |
350 | SSL_CTX_set_options(ctx,SSL_OP_ALL|off); | |
351 | else | |
352 | SSL_CTX_set_options(ctx,off); | |
d02b48c6 RE |
353 | |
354 | if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); | |
355 | if (cipher != NULL) | |
fabce041 | 356 | if(!SSL_CTX_set_cipher_list(ctx,cipher)) { |
657e60fa | 357 | BIO_printf(bio_err,"error setting cipher list\n"); |
fabce041 DSH |
358 | ERR_print_errors(bio_err); |
359 | goto end; | |
360 | } | |
d02b48c6 RE |
361 | #if 0 |
362 | else | |
363 | SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); | |
364 | #endif | |
365 | ||
366 | SSL_CTX_set_verify(ctx,verify,verify_callback); | |
367 | if (!set_cert_stuff(ctx,cert_file,key_file)) | |
368 | goto end; | |
369 | ||
370 | if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || | |
371 | (!SSL_CTX_set_default_verify_paths(ctx))) | |
372 | { | |
657e60fa | 373 | /* BIO_printf(bio_err,"error setting default verify locations\n"); */ |
d02b48c6 | 374 | ERR_print_errors(bio_err); |
58964a49 | 375 | /* goto end; */ |
d02b48c6 RE |
376 | } |
377 | ||
d02b48c6 | 378 | |
82fc1d9c | 379 | con=SSL_new(ctx); |
58964a49 | 380 | /* SSL_set_cipher_list(con,"RC4-MD5"); */ |
d02b48c6 RE |
381 | |
382 | re_start: | |
383 | ||
384 | if (init_client(&s,host,port) == 0) | |
385 | { | |
58964a49 | 386 | BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); |
d02b48c6 RE |
387 | SHUTDOWN(s); |
388 | goto end; | |
389 | } | |
390 | BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); | |
391 | ||
392 | #ifdef FIONBIO | |
393 | if (c_nbio) | |
394 | { | |
395 | unsigned long l=1; | |
396 | BIO_printf(bio_c_out,"turning on non blocking io\n"); | |
58964a49 RE |
397 | if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) |
398 | { | |
399 | ERR_print_errors(bio_err); | |
400 | goto end; | |
401 | } | |
d02b48c6 RE |
402 | } |
403 | #endif | |
404 | if (c_Pause & 0x01) con->debug=1; | |
405 | sbio=BIO_new_socket(s,BIO_NOCLOSE); | |
406 | ||
407 | if (nbio_test) | |
408 | { | |
409 | BIO *test; | |
410 | ||
411 | test=BIO_new(BIO_f_nbio_test()); | |
412 | sbio=BIO_push(test,sbio); | |
413 | } | |
414 | ||
415 | if (c_debug) | |
416 | { | |
417 | con->debug=1; | |
418 | BIO_set_callback(sbio,bio_dump_cb); | |
419 | BIO_set_callback_arg(sbio,bio_c_out); | |
420 | } | |
421 | ||
422 | SSL_set_bio(con,sbio,sbio); | |
423 | SSL_set_connect_state(con); | |
424 | ||
425 | /* ok, lets connect */ | |
426 | width=SSL_get_fd(con)+1; | |
427 | ||
428 | read_tty=1; | |
429 | write_tty=0; | |
430 | tty_on=0; | |
431 | read_ssl=1; | |
432 | write_ssl=1; | |
433 | ||
434 | cbuf_len=0; | |
435 | cbuf_off=0; | |
436 | sbuf_len=0; | |
437 | sbuf_off=0; | |
438 | ||
439 | for (;;) | |
440 | { | |
441 | FD_ZERO(&readfds); | |
442 | FD_ZERO(&writefds); | |
443 | ||
58964a49 | 444 | if (SSL_in_init(con) && !SSL_total_renegotiations(con)) |
d02b48c6 RE |
445 | { |
446 | in_init=1; | |
447 | tty_on=0; | |
448 | } | |
449 | else | |
450 | { | |
451 | tty_on=1; | |
452 | if (in_init) | |
453 | { | |
454 | in_init=0; | |
455 | print_stuff(bio_c_out,con,full_log); | |
456 | if (full_log > 0) full_log--; | |
457 | ||
458 | if (reconnect) | |
459 | { | |
460 | reconnect--; | |
461 | BIO_printf(bio_c_out,"drop connection and then reconnect\n"); | |
462 | SSL_shutdown(con); | |
463 | SSL_set_connect_state(con); | |
464 | SHUTDOWN(SSL_get_fd(con)); | |
465 | goto re_start; | |
466 | } | |
467 | } | |
468 | } | |
469 | ||
c7ac31e2 BM |
470 | ssl_pending = read_ssl && SSL_pending(con); |
471 | ||
472 | if (!ssl_pending) | |
d02b48c6 | 473 | { |
f0f1b4e4 | 474 | #ifndef WINDOWS |
c7ac31e2 BM |
475 | if (tty_on) |
476 | { | |
477 | if (read_tty) FD_SET(fileno(stdin),&readfds); | |
478 | if (write_tty) FD_SET(fileno(stdout),&writefds); | |
479 | } | |
c7ac31e2 BM |
480 | if (read_ssl) |
481 | FD_SET(SSL_get_fd(con),&readfds); | |
482 | if (write_ssl) | |
483 | FD_SET(SSL_get_fd(con),&writefds); | |
06f4536a DSH |
484 | #else |
485 | if(!tty_on || !write_tty) { | |
486 | if (read_ssl) | |
487 | FD_SET(SSL_get_fd(con),&readfds); | |
488 | if (write_ssl) | |
489 | FD_SET(SSL_get_fd(con),&writefds); | |
490 | } | |
491 | #endif | |
c7ac31e2 BM |
492 | /* printf("mode tty(%d %d%d) ssl(%d%d)\n", |
493 | tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ | |
d02b48c6 | 494 | |
75e0770d | 495 | /* Note: under VMS with SOCKETSHR the second parameter |
7d7d2cbc UM |
496 | * is currently of type (int *) whereas under other |
497 | * systems it is (void *) if you don't have a cast it | |
498 | * will choke the compiler: if you do have a cast then | |
499 | * you can either go for (int *) or (void *). | |
500 | */ | |
06f4536a DSH |
501 | #ifdef WINDOWS |
502 | /* Under Windows we make the assumption that we can | |
503 | * always write to the tty: therefore if we need to | |
504 | * write to the tty we just fall through. Otherwise | |
505 | * we timeout the select every second and see if there | |
506 | * are any keypresses. Note: this is a hack, in a proper | |
507 | * Windows application we wouldn't do this. | |
508 | */ | |
509 | if(!write_tty) { | |
510 | if(read_tty) { | |
511 | tv.tv_sec = 1; | |
512 | tv.tv_usec = 0; | |
513 | i=select(width,(void *)&readfds,(void *)&writefds, | |
514 | NULL,&tv); | |
515 | if(!i && (!_kbhit() || !read_tty) ) continue; | |
516 | } else i=select(width,(void *)&readfds,(void *)&writefds, | |
517 | NULL,NULL); | |
518 | } | |
519 | #else | |
7d7d2cbc UM |
520 | i=select(width,(void *)&readfds,(void *)&writefds, |
521 | NULL,NULL); | |
06f4536a | 522 | #endif |
c7ac31e2 BM |
523 | if ( i < 0) |
524 | { | |
525 | BIO_printf(bio_err,"bad select %d\n", | |
58964a49 | 526 | get_last_socket_error()); |
c7ac31e2 BM |
527 | goto shut; |
528 | /* goto end; */ | |
529 | } | |
d02b48c6 RE |
530 | } |
531 | ||
c7ac31e2 | 532 | if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) |
d02b48c6 RE |
533 | { |
534 | k=SSL_write(con,&(cbuf[cbuf_off]), | |
535 | (unsigned int)cbuf_len); | |
536 | switch (SSL_get_error(con,k)) | |
537 | { | |
538 | case SSL_ERROR_NONE: | |
539 | cbuf_off+=k; | |
540 | cbuf_len-=k; | |
541 | if (k <= 0) goto end; | |
542 | /* we have done a write(con,NULL,0); */ | |
543 | if (cbuf_len <= 0) | |
544 | { | |
545 | read_tty=1; | |
546 | write_ssl=0; | |
547 | } | |
548 | else /* if (cbuf_len > 0) */ | |
549 | { | |
550 | read_tty=0; | |
551 | write_ssl=1; | |
552 | } | |
553 | break; | |
554 | case SSL_ERROR_WANT_WRITE: | |
555 | BIO_printf(bio_c_out,"write W BLOCK\n"); | |
556 | write_ssl=1; | |
557 | read_tty=0; | |
558 | break; | |
559 | case SSL_ERROR_WANT_READ: | |
560 | BIO_printf(bio_c_out,"write R BLOCK\n"); | |
561 | write_tty=0; | |
562 | read_ssl=1; | |
563 | write_ssl=0; | |
564 | break; | |
565 | case SSL_ERROR_WANT_X509_LOOKUP: | |
566 | BIO_printf(bio_c_out,"write X BLOCK\n"); | |
567 | break; | |
568 | case SSL_ERROR_ZERO_RETURN: | |
569 | if (cbuf_len != 0) | |
570 | { | |
571 | BIO_printf(bio_c_out,"shutdown\n"); | |
572 | goto shut; | |
573 | } | |
574 | else | |
575 | { | |
576 | read_tty=1; | |
577 | write_ssl=0; | |
578 | break; | |
579 | } | |
580 | ||
581 | case SSL_ERROR_SYSCALL: | |
582 | if ((k != 0) || (cbuf_len != 0)) | |
583 | { | |
584 | BIO_printf(bio_err,"write:errno=%d\n", | |
58964a49 | 585 | get_last_socket_error()); |
d02b48c6 RE |
586 | goto shut; |
587 | } | |
588 | else | |
589 | { | |
590 | read_tty=1; | |
591 | write_ssl=0; | |
592 | } | |
593 | break; | |
594 | case SSL_ERROR_SSL: | |
595 | ERR_print_errors(bio_err); | |
596 | goto shut; | |
597 | } | |
598 | } | |
06f4536a DSH |
599 | #ifdef WINDOWS |
600 | /* Assume Windows can always write */ | |
601 | else if (!ssl_pending && write_tty) | |
602 | #else | |
c7ac31e2 | 603 | else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) |
06f4536a | 604 | #endif |
d02b48c6 | 605 | { |
a53955d8 UM |
606 | #ifdef CHARSET_EBCDIC |
607 | ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); | |
608 | #endif | |
d02b48c6 RE |
609 | i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len); |
610 | ||
611 | if (i <= 0) | |
612 | { | |
613 | BIO_printf(bio_c_out,"DONE\n"); | |
614 | goto shut; | |
615 | /* goto end; */ | |
616 | } | |
617 | ||
618 | sbuf_len-=i;; | |
619 | sbuf_off+=i; | |
620 | if (sbuf_len <= 0) | |
621 | { | |
622 | read_ssl=1; | |
623 | write_tty=0; | |
624 | } | |
625 | } | |
c7ac31e2 | 626 | else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) |
d02b48c6 | 627 | { |
58964a49 RE |
628 | #ifdef RENEG |
629 | { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } | |
630 | #endif | |
dfeab068 | 631 | #if 1 |
58964a49 | 632 | k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); |
dfeab068 RE |
633 | #else |
634 | /* Demo for pending and peek :-) */ | |
635 | k=SSL_read(con,sbuf,16); | |
636 | { char zbuf[10240]; | |
637 | printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); | |
638 | } | |
639 | #endif | |
d02b48c6 RE |
640 | |
641 | switch (SSL_get_error(con,k)) | |
642 | { | |
643 | case SSL_ERROR_NONE: | |
644 | if (k <= 0) | |
645 | goto end; | |
646 | sbuf_off=0; | |
647 | sbuf_len=k; | |
648 | ||
649 | read_ssl=0; | |
650 | write_tty=1; | |
651 | break; | |
652 | case SSL_ERROR_WANT_WRITE: | |
653 | BIO_printf(bio_c_out,"read W BLOCK\n"); | |
654 | write_ssl=1; | |
655 | read_tty=0; | |
656 | break; | |
657 | case SSL_ERROR_WANT_READ: | |
658 | BIO_printf(bio_c_out,"read R BLOCK\n"); | |
659 | write_tty=0; | |
660 | read_ssl=1; | |
661 | if ((read_tty == 0) && (write_ssl == 0)) | |
662 | write_ssl=1; | |
663 | break; | |
664 | case SSL_ERROR_WANT_X509_LOOKUP: | |
665 | BIO_printf(bio_c_out,"read X BLOCK\n"); | |
666 | break; | |
667 | case SSL_ERROR_SYSCALL: | |
58964a49 | 668 | BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error()); |
d02b48c6 RE |
669 | goto shut; |
670 | case SSL_ERROR_ZERO_RETURN: | |
671 | BIO_printf(bio_c_out,"closed\n"); | |
672 | goto shut; | |
673 | case SSL_ERROR_SSL: | |
674 | ERR_print_errors(bio_err); | |
675 | goto shut; | |
dfeab068 | 676 | /* break; */ |
d02b48c6 RE |
677 | } |
678 | } | |
679 | ||
06f4536a DSH |
680 | #ifdef WINDOWS |
681 | else if (_kbhit()) | |
682 | #else | |
d02b48c6 | 683 | else if (FD_ISSET(fileno(stdin),&readfds)) |
06f4536a | 684 | #endif |
d02b48c6 | 685 | { |
1bdb8633 BM |
686 | if (crlf) |
687 | { | |
688 | int j, lf_num; | |
689 | ||
690 | i=read(fileno(stdin),cbuf,BUFSIZZ/2); | |
691 | lf_num = 0; | |
692 | /* both loops are skipped when i <= 0 */ | |
693 | for (j = 0; j < i; j++) | |
694 | if (cbuf[j] == '\n') | |
695 | lf_num++; | |
696 | for (j = i-1; j >= 0; j--) | |
697 | { | |
698 | cbuf[j+lf_num] = cbuf[j]; | |
699 | if (cbuf[j] == '\n') | |
700 | { | |
701 | lf_num--; | |
702 | i++; | |
703 | cbuf[j+lf_num] = '\r'; | |
704 | } | |
705 | } | |
706 | assert(lf_num == 0); | |
707 | } | |
708 | else | |
1bdb8633 | 709 | i=read(fileno(stdin),cbuf,BUFSIZZ); |
d02b48c6 RE |
710 | |
711 | if ((!c_quiet) && ((i <= 0) || (cbuf[0] == 'Q'))) | |
712 | { | |
713 | BIO_printf(bio_err,"DONE\n"); | |
714 | goto shut; | |
715 | } | |
716 | ||
717 | if ((!c_quiet) && (cbuf[0] == 'R')) | |
718 | { | |
3bb307c1 | 719 | BIO_printf(bio_err,"RENEGOTIATING\n"); |
d02b48c6 | 720 | SSL_renegotiate(con); |
3bb307c1 | 721 | cbuf_len=0; |
d02b48c6 RE |
722 | } |
723 | else | |
724 | { | |
725 | cbuf_len=i; | |
726 | cbuf_off=0; | |
a53955d8 UM |
727 | #ifdef CHARSET_EBCDIC |
728 | ebcdic2ascii(cbuf, cbuf, i); | |
729 | #endif | |
d02b48c6 RE |
730 | } |
731 | ||
d02b48c6 | 732 | write_ssl=1; |
3bb307c1 | 733 | read_tty=0; |
d02b48c6 | 734 | } |
d02b48c6 RE |
735 | } |
736 | shut: | |
737 | SSL_shutdown(con); | |
738 | SHUTDOWN(SSL_get_fd(con)); | |
739 | ret=0; | |
740 | end: | |
c3ed3b6e | 741 | if(prexit) print_stuff(bio_c_out,con,1); |
d02b48c6 RE |
742 | if (con != NULL) SSL_free(con); |
743 | if (con2 != NULL) SSL_free(con2); | |
744 | if (ctx != NULL) SSL_CTX_free(ctx); | |
745 | if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); Free(cbuf); } | |
746 | if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); Free(sbuf); } | |
747 | if (bio_c_out != NULL) | |
748 | { | |
749 | BIO_free(bio_c_out); | |
750 | bio_c_out=NULL; | |
751 | } | |
752 | EXIT(ret); | |
753 | } | |
754 | ||
755 | ||
6b691a5c | 756 | static void print_stuff(BIO *bio, SSL *s, int full) |
d02b48c6 | 757 | { |
58964a49 | 758 | X509 *peer=NULL; |
d02b48c6 RE |
759 | char *p; |
760 | static char *space=" "; | |
761 | char buf[BUFSIZ]; | |
f73e07cf BL |
762 | STACK_OF(X509) *sk; |
763 | STACK_OF(X509_NAME) *sk2; | |
d02b48c6 RE |
764 | SSL_CIPHER *c; |
765 | X509_NAME *xn; | |
766 | int j,i; | |
767 | ||
768 | if (full) | |
769 | { | |
bc2e519a BM |
770 | int got_a_chain = 0; |
771 | ||
d02b48c6 RE |
772 | sk=SSL_get_peer_cert_chain(s); |
773 | if (sk != NULL) | |
774 | { | |
bc2e519a BM |
775 | got_a_chain = 1; /* we don't have it for SSL2 (yet) */ |
776 | ||
dfeab068 | 777 | BIO_printf(bio,"---\nCertificate chain\n"); |
f73e07cf | 778 | for (i=0; i<sk_X509_num(sk); i++) |
d02b48c6 | 779 | { |
f73e07cf BL |
780 | X509_NAME_oneline(X509_get_subject_name( |
781 | sk_X509_value(sk,i)),buf,BUFSIZ); | |
d02b48c6 | 782 | BIO_printf(bio,"%2d s:%s\n",i,buf); |
f73e07cf BL |
783 | X509_NAME_oneline(X509_get_issuer_name( |
784 | sk_X509_value(sk,i)),buf,BUFSIZ); | |
d02b48c6 | 785 | BIO_printf(bio," i:%s\n",buf); |
6d02d8e4 | 786 | if (c_showcerts) |
f73e07cf | 787 | PEM_write_bio_X509(bio,sk_X509_value(sk,i)); |
d02b48c6 RE |
788 | } |
789 | } | |
790 | ||
791 | BIO_printf(bio,"---\n"); | |
792 | peer=SSL_get_peer_certificate(s); | |
793 | if (peer != NULL) | |
794 | { | |
795 | BIO_printf(bio,"Server certificate\n"); | |
bc2e519a | 796 | if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ |
6d02d8e4 | 797 | PEM_write_bio_X509(bio,peer); |
d02b48c6 RE |
798 | X509_NAME_oneline(X509_get_subject_name(peer), |
799 | buf,BUFSIZ); | |
800 | BIO_printf(bio,"subject=%s\n",buf); | |
801 | X509_NAME_oneline(X509_get_issuer_name(peer), | |
802 | buf,BUFSIZ); | |
803 | BIO_printf(bio,"issuer=%s\n",buf); | |
d02b48c6 RE |
804 | } |
805 | else | |
806 | BIO_printf(bio,"no peer certificate available\n"); | |
807 | ||
f73e07cf | 808 | sk2=SSL_get_client_CA_list(s); |
d91f8c3c | 809 | if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) |
d02b48c6 RE |
810 | { |
811 | BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); | |
f73e07cf | 812 | for (i=0; i<sk_X509_NAME_num(sk2); i++) |
d02b48c6 | 813 | { |
f73e07cf | 814 | xn=sk_X509_NAME_value(sk2,i); |
d02b48c6 RE |
815 | X509_NAME_oneline(xn,buf,sizeof(buf)); |
816 | BIO_write(bio,buf,strlen(buf)); | |
817 | BIO_write(bio,"\n",1); | |
818 | } | |
819 | } | |
820 | else | |
821 | { | |
822 | BIO_printf(bio,"---\nNo client certificate CA names sent\n"); | |
823 | } | |
824 | p=SSL_get_shared_ciphers(s,buf,BUFSIZ); | |
825 | if (p != NULL) | |
826 | { | |
67a47285 BM |
827 | /* This works only for SSL 2. In later protocol |
828 | * versions, the client does not know what other | |
829 | * ciphers (in addition to the one to be used | |
830 | * in the current connection) the server supports. */ | |
831 | ||
d02b48c6 RE |
832 | BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); |
833 | j=i=0; | |
834 | while (*p) | |
835 | { | |
836 | if (*p == ':') | |
837 | { | |
58964a49 | 838 | BIO_write(bio,space,15-j%25); |
d02b48c6 RE |
839 | i++; |
840 | j=0; | |
841 | BIO_write(bio,((i%3)?" ":"\n"),1); | |
842 | } | |
843 | else | |
844 | { | |
845 | BIO_write(bio,p,1); | |
846 | j++; | |
847 | } | |
848 | p++; | |
849 | } | |
850 | BIO_write(bio,"\n",1); | |
851 | } | |
852 | ||
853 | BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", | |
854 | BIO_number_read(SSL_get_rbio(s)), | |
855 | BIO_number_written(SSL_get_wbio(s))); | |
856 | } | |
857 | BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, ")); | |
858 | c=SSL_get_current_cipher(s); | |
859 | BIO_printf(bio,"%s, Cipher is %s\n", | |
860 | SSL_CIPHER_get_version(c), | |
861 | SSL_CIPHER_get_name(c)); | |
a8236c8c DSH |
862 | if (peer != NULL) { |
863 | EVP_PKEY *pktmp; | |
864 | pktmp = X509_get_pubkey(peer); | |
58964a49 | 865 | BIO_printf(bio,"Server public key is %d bit\n", |
a8236c8c DSH |
866 | EVP_PKEY_bits(pktmp)); |
867 | EVP_PKEY_free(pktmp); | |
868 | } | |
d02b48c6 RE |
869 | SSL_SESSION_print(bio,SSL_get_session(s)); |
870 | BIO_printf(bio,"---\n"); | |
58964a49 RE |
871 | if (peer != NULL) |
872 | X509_free(peer); | |
d02b48c6 RE |
873 | } |
874 |