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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 | ||
59 | #include <stdio.h> | |
60 | #include <stdlib.h> | |
61 | #include <string.h> | |
62 | #define USE_SOCKETS | |
58964a49 | 63 | #ifdef NO_STDIO |
d02b48c6 RE |
64 | #define APPS_WIN16 |
65 | #endif | |
66 | #include "apps.h" | |
67 | #include "x509.h" | |
68 | #include "ssl.h" | |
69 | #include "err.h" | |
70 | #include "pem.h" | |
71 | #include "s_apps.h" | |
72 | ||
73 | #undef PROG | |
74 | #define PROG s_client_main | |
75 | ||
76 | /*#define SSL_HOST_NAME "www.netscape.com" */ | |
77 | /*#define SSL_HOST_NAME "193.118.187.102" */ | |
78 | #define SSL_HOST_NAME "localhost" | |
79 | ||
80 | /*#define TEST_CERT "client.pem" */ /* no default cert. */ | |
81 | ||
82 | #undef BUFSIZZ | |
83 | #define BUFSIZZ 1024*8 | |
84 | ||
85 | extern int verify_depth; | |
86 | extern int verify_error; | |
87 | ||
88 | #ifdef FIONBIO | |
89 | static int c_nbio=0; | |
90 | #endif | |
91 | static int c_Pause=0; | |
92 | static int c_debug=0; | |
6d02d8e4 | 93 | static int c_showcerts=0; |
d02b48c6 RE |
94 | |
95 | #ifndef NOPROTO | |
96 | static void sc_usage(void); | |
97 | static void print_stuff(BIO *berr,SSL *con,int full); | |
98 | #else | |
99 | static void sc_usage(); | |
100 | static void print_stuff(); | |
101 | #endif | |
102 | ||
103 | static BIO *bio_c_out=NULL; | |
104 | static int c_quiet=0; | |
105 | ||
6b691a5c | 106 | static void sc_usage(void) |
d02b48c6 | 107 | { |
b6cff93d | 108 | BIO_printf(bio_err,"usage: s_client args\n"); |
d02b48c6 RE |
109 | BIO_printf(bio_err,"\n"); |
110 | BIO_printf(bio_err," -host host - use -connect instead\n"); | |
111 | BIO_printf(bio_err," -port port - use -connect instead\n"); | |
112 | BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR); | |
113 | ||
114 | BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); | |
115 | BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n"); | |
116 | BIO_printf(bio_err," -key arg - Private key file to use, PEM format assumed, in cert file if\n"); | |
117 | BIO_printf(bio_err," not specified but cert file is.\n"); | |
118 | BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); | |
119 | BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); | |
120 | BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); | |
121 | BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); | |
6d02d8e4 | 122 | BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); |
d02b48c6 RE |
123 | BIO_printf(bio_err," -debug - extra output\n"); |
124 | BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); | |
125 | BIO_printf(bio_err," -state - print the 'ssl' states\n"); | |
126 | #ifdef FIONBIO | |
127 | BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); | |
128 | #endif | |
129 | BIO_printf(bio_err," -quiet - no s_client output\n"); | |
130 | BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); | |
131 | BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); | |
58964a49 RE |
132 | BIO_printf(bio_err," -tls1 - just use TLSv1\n"); |
133 | BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); | |
d02b48c6 | 134 | BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); |
e170a5c0 | 135 | BIO_printf(bio_err," -cipher - prefered cipher to use, use the 'openssl ciphers'\n"); |
dfeab068 | 136 | BIO_printf(bio_err," command to see what is available\n"); |
d02b48c6 RE |
137 | |
138 | } | |
139 | ||
6b691a5c | 140 | int MAIN(int argc, char **argv) |
d02b48c6 | 141 | { |
58964a49 | 142 | int off=0; |
d02b48c6 RE |
143 | SSL *con=NULL,*con2=NULL; |
144 | int s,k,width,state=0; | |
145 | char *cbuf=NULL,*sbuf=NULL; | |
146 | int cbuf_len,cbuf_off; | |
147 | int sbuf_len,sbuf_off; | |
148 | fd_set readfds,writefds; | |
149 | short port=PORT; | |
150 | int full_log=1; | |
151 | char *host=SSL_HOST_NAME; | |
152 | char *cert_file=NULL,*key_file=NULL; | |
153 | char *CApath=NULL,*CAfile=NULL,*cipher=NULL; | |
154 | int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; | |
c7ac31e2 | 155 | int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; |
d02b48c6 RE |
156 | SSL_CTX *ctx=NULL; |
157 | int ret=1,in_init=1,i,nbio_test=0; | |
158 | SSL_METHOD *meth=NULL; | |
159 | BIO *sbio; | |
160 | /*static struct timeval timeout={10,0};*/ | |
161 | ||
162 | #if !defined(NO_SSL2) && !defined(NO_SSL3) | |
163 | meth=SSLv23_client_method(); | |
164 | #elif !defined(NO_SSL3) | |
165 | meth=SSLv3_client_method(); | |
166 | #elif !defined(NO_SSL2) | |
167 | meth=SSLv2_client_method(); | |
168 | #endif | |
169 | ||
170 | apps_startup(); | |
58964a49 | 171 | c_Pause=0; |
d02b48c6 RE |
172 | c_quiet=0; |
173 | c_debug=0; | |
6d02d8e4 | 174 | c_showcerts=0; |
d02b48c6 RE |
175 | |
176 | if (bio_err == NULL) | |
177 | bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); | |
178 | ||
179 | if ( ((cbuf=Malloc(BUFSIZZ)) == NULL) || | |
180 | ((sbuf=Malloc(BUFSIZZ)) == NULL)) | |
181 | { | |
182 | BIO_printf(bio_err,"out of memory\n"); | |
183 | goto end; | |
184 | } | |
185 | ||
186 | verify_depth=0; | |
187 | verify_error=X509_V_OK; | |
188 | #ifdef FIONBIO | |
189 | c_nbio=0; | |
190 | #endif | |
191 | ||
192 | argc--; | |
193 | argv++; | |
194 | while (argc >= 1) | |
195 | { | |
196 | if (strcmp(*argv,"-host") == 0) | |
197 | { | |
198 | if (--argc < 1) goto bad; | |
199 | host= *(++argv); | |
200 | } | |
201 | else if (strcmp(*argv,"-port") == 0) | |
202 | { | |
203 | if (--argc < 1) goto bad; | |
204 | port=atoi(*(++argv)); | |
205 | if (port == 0) goto bad; | |
206 | } | |
207 | else if (strcmp(*argv,"-connect") == 0) | |
208 | { | |
209 | if (--argc < 1) goto bad; | |
210 | if (!extract_host_port(*(++argv),&host,NULL,&port)) | |
211 | goto bad; | |
212 | } | |
213 | else if (strcmp(*argv,"-verify") == 0) | |
214 | { | |
215 | verify=SSL_VERIFY_PEER; | |
216 | if (--argc < 1) goto bad; | |
217 | verify_depth=atoi(*(++argv)); | |
218 | BIO_printf(bio_err,"verify depth is %d\n",verify_depth); | |
219 | } | |
220 | else if (strcmp(*argv,"-cert") == 0) | |
221 | { | |
222 | if (--argc < 1) goto bad; | |
223 | cert_file= *(++argv); | |
224 | } | |
225 | else if (strcmp(*argv,"-quiet") == 0) | |
226 | c_quiet=1; | |
227 | else if (strcmp(*argv,"-pause") == 0) | |
228 | c_Pause=1; | |
229 | else if (strcmp(*argv,"-debug") == 0) | |
230 | c_debug=1; | |
6d02d8e4 BM |
231 | else if (strcmp(*argv,"-showcerts") == 0) |
232 | c_showcerts=1; | |
d02b48c6 RE |
233 | else if (strcmp(*argv,"-nbio_test") == 0) |
234 | nbio_test=1; | |
235 | else if (strcmp(*argv,"-state") == 0) | |
236 | state=1; | |
237 | #ifndef NO_SSL2 | |
238 | else if (strcmp(*argv,"-ssl2") == 0) | |
239 | meth=SSLv2_client_method(); | |
240 | #endif | |
241 | #ifndef NO_SSL3 | |
242 | else if (strcmp(*argv,"-ssl3") == 0) | |
243 | meth=SSLv3_client_method(); | |
58964a49 RE |
244 | #endif |
245 | #ifndef NO_TLS1 | |
246 | else if (strcmp(*argv,"-tls1") == 0) | |
247 | meth=TLSv1_client_method(); | |
d02b48c6 RE |
248 | #endif |
249 | else if (strcmp(*argv,"-bugs") == 0) | |
250 | bugs=1; | |
251 | else if (strcmp(*argv,"-key") == 0) | |
252 | { | |
253 | if (--argc < 1) goto bad; | |
254 | key_file= *(++argv); | |
255 | } | |
256 | else if (strcmp(*argv,"-reconnect") == 0) | |
257 | { | |
258 | reconnect=5; | |
259 | } | |
260 | else if (strcmp(*argv,"-CApath") == 0) | |
261 | { | |
262 | if (--argc < 1) goto bad; | |
263 | CApath= *(++argv); | |
264 | } | |
265 | else if (strcmp(*argv,"-CAfile") == 0) | |
266 | { | |
267 | if (--argc < 1) goto bad; | |
268 | CAfile= *(++argv); | |
269 | } | |
58964a49 RE |
270 | else if (strcmp(*argv,"-no_tls1") == 0) |
271 | off|=SSL_OP_NO_TLSv1; | |
272 | else if (strcmp(*argv,"-no_ssl3") == 0) | |
273 | off|=SSL_OP_NO_SSLv3; | |
274 | else if (strcmp(*argv,"-no_ssl2") == 0) | |
275 | off|=SSL_OP_NO_SSLv2; | |
d02b48c6 RE |
276 | else if (strcmp(*argv,"-cipher") == 0) |
277 | { | |
278 | if (--argc < 1) goto bad; | |
279 | cipher= *(++argv); | |
280 | } | |
281 | #ifdef FIONBIO | |
282 | else if (strcmp(*argv,"-nbio") == 0) | |
283 | { c_nbio=1; } | |
284 | #endif | |
285 | else | |
286 | { | |
287 | BIO_printf(bio_err,"unknown option %s\n",*argv); | |
288 | badop=1; | |
289 | break; | |
290 | } | |
291 | argc--; | |
292 | argv++; | |
293 | } | |
294 | if (badop) | |
295 | { | |
296 | bad: | |
297 | sc_usage(); | |
298 | goto end; | |
299 | } | |
300 | ||
301 | if (bio_c_out == NULL) | |
302 | { | |
303 | if (c_quiet) | |
304 | { | |
305 | bio_c_out=BIO_new(BIO_s_null()); | |
306 | } | |
307 | else | |
308 | { | |
309 | if (bio_c_out == NULL) | |
310 | bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); | |
311 | } | |
312 | } | |
313 | ||
314 | SSLeay_add_ssl_algorithms(); | |
315 | ctx=SSL_CTX_new(meth); | |
316 | if (ctx == NULL) | |
317 | { | |
318 | ERR_print_errors(bio_err); | |
319 | goto end; | |
320 | } | |
321 | ||
58964a49 RE |
322 | if (bugs) |
323 | SSL_CTX_set_options(ctx,SSL_OP_ALL|off); | |
324 | else | |
325 | SSL_CTX_set_options(ctx,off); | |
d02b48c6 RE |
326 | |
327 | if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); | |
328 | if (cipher != NULL) | |
329 | SSL_CTX_set_cipher_list(ctx,cipher); | |
330 | #if 0 | |
331 | else | |
332 | SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); | |
333 | #endif | |
334 | ||
335 | SSL_CTX_set_verify(ctx,verify,verify_callback); | |
336 | if (!set_cert_stuff(ctx,cert_file,key_file)) | |
337 | goto end; | |
338 | ||
339 | if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || | |
340 | (!SSL_CTX_set_default_verify_paths(ctx))) | |
341 | { | |
58964a49 | 342 | /* BIO_printf(bio_err,"error seting default verify locations\n"); */ |
d02b48c6 | 343 | ERR_print_errors(bio_err); |
58964a49 | 344 | /* goto end; */ |
d02b48c6 RE |
345 | } |
346 | ||
347 | SSL_load_error_strings(); | |
348 | ||
349 | con=(SSL *)SSL_new(ctx); | |
58964a49 | 350 | /* SSL_set_cipher_list(con,"RC4-MD5"); */ |
d02b48c6 RE |
351 | |
352 | re_start: | |
353 | ||
354 | if (init_client(&s,host,port) == 0) | |
355 | { | |
58964a49 | 356 | BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); |
d02b48c6 RE |
357 | SHUTDOWN(s); |
358 | goto end; | |
359 | } | |
360 | BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); | |
361 | ||
362 | #ifdef FIONBIO | |
363 | if (c_nbio) | |
364 | { | |
365 | unsigned long l=1; | |
366 | BIO_printf(bio_c_out,"turning on non blocking io\n"); | |
58964a49 RE |
367 | if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) |
368 | { | |
369 | ERR_print_errors(bio_err); | |
370 | goto end; | |
371 | } | |
d02b48c6 RE |
372 | } |
373 | #endif | |
374 | if (c_Pause & 0x01) con->debug=1; | |
375 | sbio=BIO_new_socket(s,BIO_NOCLOSE); | |
376 | ||
377 | if (nbio_test) | |
378 | { | |
379 | BIO *test; | |
380 | ||
381 | test=BIO_new(BIO_f_nbio_test()); | |
382 | sbio=BIO_push(test,sbio); | |
383 | } | |
384 | ||
385 | if (c_debug) | |
386 | { | |
387 | con->debug=1; | |
388 | BIO_set_callback(sbio,bio_dump_cb); | |
389 | BIO_set_callback_arg(sbio,bio_c_out); | |
390 | } | |
391 | ||
392 | SSL_set_bio(con,sbio,sbio); | |
393 | SSL_set_connect_state(con); | |
394 | ||
395 | /* ok, lets connect */ | |
396 | width=SSL_get_fd(con)+1; | |
397 | ||
398 | read_tty=1; | |
399 | write_tty=0; | |
400 | tty_on=0; | |
401 | read_ssl=1; | |
402 | write_ssl=1; | |
403 | ||
404 | cbuf_len=0; | |
405 | cbuf_off=0; | |
406 | sbuf_len=0; | |
407 | sbuf_off=0; | |
408 | ||
409 | for (;;) | |
410 | { | |
411 | FD_ZERO(&readfds); | |
412 | FD_ZERO(&writefds); | |
413 | ||
58964a49 | 414 | if (SSL_in_init(con) && !SSL_total_renegotiations(con)) |
d02b48c6 RE |
415 | { |
416 | in_init=1; | |
417 | tty_on=0; | |
418 | } | |
419 | else | |
420 | { | |
421 | tty_on=1; | |
422 | if (in_init) | |
423 | { | |
424 | in_init=0; | |
425 | print_stuff(bio_c_out,con,full_log); | |
426 | if (full_log > 0) full_log--; | |
427 | ||
428 | if (reconnect) | |
429 | { | |
430 | reconnect--; | |
431 | BIO_printf(bio_c_out,"drop connection and then reconnect\n"); | |
432 | SSL_shutdown(con); | |
433 | SSL_set_connect_state(con); | |
434 | SHUTDOWN(SSL_get_fd(con)); | |
435 | goto re_start; | |
436 | } | |
437 | } | |
438 | } | |
439 | ||
c7ac31e2 BM |
440 | ssl_pending = read_ssl && SSL_pending(con); |
441 | ||
442 | if (!ssl_pending) | |
d02b48c6 | 443 | { |
f0f1b4e4 | 444 | #ifndef WINDOWS |
c7ac31e2 BM |
445 | if (tty_on) |
446 | { | |
447 | if (read_tty) FD_SET(fileno(stdin),&readfds); | |
448 | if (write_tty) FD_SET(fileno(stdout),&writefds); | |
449 | } | |
d02b48c6 | 450 | #endif |
c7ac31e2 BM |
451 | if (read_ssl) |
452 | FD_SET(SSL_get_fd(con),&readfds); | |
453 | if (write_ssl) | |
454 | FD_SET(SSL_get_fd(con),&writefds); | |
d02b48c6 | 455 | |
c7ac31e2 BM |
456 | /* printf("mode tty(%d %d%d) ssl(%d%d)\n", |
457 | tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ | |
d02b48c6 | 458 | |
c7ac31e2 BM |
459 | i=select(width,&readfds,&writefds,NULL,NULL); |
460 | if ( i < 0) | |
461 | { | |
462 | BIO_printf(bio_err,"bad select %d\n", | |
58964a49 | 463 | get_last_socket_error()); |
c7ac31e2 BM |
464 | goto shut; |
465 | /* goto end; */ | |
466 | } | |
d02b48c6 RE |
467 | } |
468 | ||
c7ac31e2 | 469 | if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) |
d02b48c6 RE |
470 | { |
471 | k=SSL_write(con,&(cbuf[cbuf_off]), | |
472 | (unsigned int)cbuf_len); | |
473 | switch (SSL_get_error(con,k)) | |
474 | { | |
475 | case SSL_ERROR_NONE: | |
476 | cbuf_off+=k; | |
477 | cbuf_len-=k; | |
478 | if (k <= 0) goto end; | |
479 | /* we have done a write(con,NULL,0); */ | |
480 | if (cbuf_len <= 0) | |
481 | { | |
482 | read_tty=1; | |
483 | write_ssl=0; | |
484 | } | |
485 | else /* if (cbuf_len > 0) */ | |
486 | { | |
487 | read_tty=0; | |
488 | write_ssl=1; | |
489 | } | |
490 | break; | |
491 | case SSL_ERROR_WANT_WRITE: | |
492 | BIO_printf(bio_c_out,"write W BLOCK\n"); | |
493 | write_ssl=1; | |
494 | read_tty=0; | |
495 | break; | |
496 | case SSL_ERROR_WANT_READ: | |
497 | BIO_printf(bio_c_out,"write R BLOCK\n"); | |
498 | write_tty=0; | |
499 | read_ssl=1; | |
500 | write_ssl=0; | |
501 | break; | |
502 | case SSL_ERROR_WANT_X509_LOOKUP: | |
503 | BIO_printf(bio_c_out,"write X BLOCK\n"); | |
504 | break; | |
505 | case SSL_ERROR_ZERO_RETURN: | |
506 | if (cbuf_len != 0) | |
507 | { | |
508 | BIO_printf(bio_c_out,"shutdown\n"); | |
509 | goto shut; | |
510 | } | |
511 | else | |
512 | { | |
513 | read_tty=1; | |
514 | write_ssl=0; | |
515 | break; | |
516 | } | |
517 | ||
518 | case SSL_ERROR_SYSCALL: | |
519 | if ((k != 0) || (cbuf_len != 0)) | |
520 | { | |
521 | BIO_printf(bio_err,"write:errno=%d\n", | |
58964a49 | 522 | get_last_socket_error()); |
d02b48c6 RE |
523 | goto shut; |
524 | } | |
525 | else | |
526 | { | |
527 | read_tty=1; | |
528 | write_ssl=0; | |
529 | } | |
530 | break; | |
531 | case SSL_ERROR_SSL: | |
532 | ERR_print_errors(bio_err); | |
533 | goto shut; | |
534 | } | |
535 | } | |
536 | #ifndef WINDOWS | |
c7ac31e2 | 537 | else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) |
d02b48c6 RE |
538 | { |
539 | i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len); | |
540 | ||
541 | if (i <= 0) | |
542 | { | |
543 | BIO_printf(bio_c_out,"DONE\n"); | |
544 | goto shut; | |
545 | /* goto end; */ | |
546 | } | |
547 | ||
548 | sbuf_len-=i;; | |
549 | sbuf_off+=i; | |
550 | if (sbuf_len <= 0) | |
551 | { | |
552 | read_ssl=1; | |
553 | write_tty=0; | |
554 | } | |
555 | } | |
556 | #endif | |
c7ac31e2 | 557 | else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) |
d02b48c6 | 558 | { |
58964a49 RE |
559 | #ifdef RENEG |
560 | { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } | |
561 | #endif | |
dfeab068 | 562 | #if 1 |
58964a49 | 563 | k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); |
dfeab068 RE |
564 | #else |
565 | /* Demo for pending and peek :-) */ | |
566 | k=SSL_read(con,sbuf,16); | |
567 | { char zbuf[10240]; | |
568 | printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); | |
569 | } | |
570 | #endif | |
d02b48c6 RE |
571 | |
572 | switch (SSL_get_error(con,k)) | |
573 | { | |
574 | case SSL_ERROR_NONE: | |
575 | if (k <= 0) | |
576 | goto end; | |
577 | sbuf_off=0; | |
578 | sbuf_len=k; | |
579 | ||
580 | read_ssl=0; | |
581 | write_tty=1; | |
582 | break; | |
583 | case SSL_ERROR_WANT_WRITE: | |
584 | BIO_printf(bio_c_out,"read W BLOCK\n"); | |
585 | write_ssl=1; | |
586 | read_tty=0; | |
587 | break; | |
588 | case SSL_ERROR_WANT_READ: | |
589 | BIO_printf(bio_c_out,"read R BLOCK\n"); | |
590 | write_tty=0; | |
591 | read_ssl=1; | |
592 | if ((read_tty == 0) && (write_ssl == 0)) | |
593 | write_ssl=1; | |
594 | break; | |
595 | case SSL_ERROR_WANT_X509_LOOKUP: | |
596 | BIO_printf(bio_c_out,"read X BLOCK\n"); | |
597 | break; | |
598 | case SSL_ERROR_SYSCALL: | |
58964a49 | 599 | BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error()); |
d02b48c6 RE |
600 | goto shut; |
601 | case SSL_ERROR_ZERO_RETURN: | |
602 | BIO_printf(bio_c_out,"closed\n"); | |
603 | goto shut; | |
604 | case SSL_ERROR_SSL: | |
605 | ERR_print_errors(bio_err); | |
606 | goto shut; | |
dfeab068 | 607 | /* break; */ |
d02b48c6 RE |
608 | } |
609 | } | |
610 | ||
611 | #ifndef WINDOWS | |
612 | else if (FD_ISSET(fileno(stdin),&readfds)) | |
613 | { | |
614 | i=read(fileno(stdin),cbuf,BUFSIZZ); | |
615 | ||
616 | if ((!c_quiet) && ((i <= 0) || (cbuf[0] == 'Q'))) | |
617 | { | |
618 | BIO_printf(bio_err,"DONE\n"); | |
619 | goto shut; | |
620 | } | |
621 | ||
622 | if ((!c_quiet) && (cbuf[0] == 'R')) | |
623 | { | |
3bb307c1 | 624 | BIO_printf(bio_err,"RENEGOTIATING\n"); |
d02b48c6 | 625 | SSL_renegotiate(con); |
3bb307c1 | 626 | cbuf_len=0; |
d02b48c6 RE |
627 | } |
628 | else | |
629 | { | |
630 | cbuf_len=i; | |
631 | cbuf_off=0; | |
632 | } | |
633 | ||
d02b48c6 | 634 | write_ssl=1; |
3bb307c1 | 635 | read_tty=0; |
d02b48c6 RE |
636 | } |
637 | #endif | |
638 | } | |
639 | shut: | |
640 | SSL_shutdown(con); | |
641 | SHUTDOWN(SSL_get_fd(con)); | |
642 | ret=0; | |
643 | end: | |
644 | if (con != NULL) SSL_free(con); | |
645 | if (con2 != NULL) SSL_free(con2); | |
646 | if (ctx != NULL) SSL_CTX_free(ctx); | |
647 | if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); Free(cbuf); } | |
648 | if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); Free(sbuf); } | |
649 | if (bio_c_out != NULL) | |
650 | { | |
651 | BIO_free(bio_c_out); | |
652 | bio_c_out=NULL; | |
653 | } | |
654 | EXIT(ret); | |
655 | } | |
656 | ||
657 | ||
6b691a5c | 658 | static void print_stuff(BIO *bio, SSL *s, int full) |
d02b48c6 | 659 | { |
58964a49 | 660 | X509 *peer=NULL; |
d02b48c6 RE |
661 | char *p; |
662 | static char *space=" "; | |
663 | char buf[BUFSIZ]; | |
f73e07cf BL |
664 | STACK_OF(X509) *sk; |
665 | STACK_OF(X509_NAME) *sk2; | |
d02b48c6 RE |
666 | SSL_CIPHER *c; |
667 | X509_NAME *xn; | |
668 | int j,i; | |
669 | ||
670 | if (full) | |
671 | { | |
672 | sk=SSL_get_peer_cert_chain(s); | |
673 | if (sk != NULL) | |
674 | { | |
dfeab068 | 675 | BIO_printf(bio,"---\nCertificate chain\n"); |
f73e07cf | 676 | for (i=0; i<sk_X509_num(sk); i++) |
d02b48c6 | 677 | { |
f73e07cf BL |
678 | X509_NAME_oneline(X509_get_subject_name( |
679 | sk_X509_value(sk,i)),buf,BUFSIZ); | |
d02b48c6 | 680 | BIO_printf(bio,"%2d s:%s\n",i,buf); |
f73e07cf BL |
681 | X509_NAME_oneline(X509_get_issuer_name( |
682 | sk_X509_value(sk,i)),buf,BUFSIZ); | |
d02b48c6 | 683 | BIO_printf(bio," i:%s\n",buf); |
6d02d8e4 | 684 | if (c_showcerts) |
f73e07cf | 685 | PEM_write_bio_X509(bio,sk_X509_value(sk,i)); |
d02b48c6 RE |
686 | } |
687 | } | |
688 | ||
689 | BIO_printf(bio,"---\n"); | |
690 | peer=SSL_get_peer_certificate(s); | |
691 | if (peer != NULL) | |
692 | { | |
693 | BIO_printf(bio,"Server certificate\n"); | |
6d02d8e4 BM |
694 | if (!c_showcerts) /* Redundant if we showed the whole chain */ |
695 | PEM_write_bio_X509(bio,peer); | |
d02b48c6 RE |
696 | X509_NAME_oneline(X509_get_subject_name(peer), |
697 | buf,BUFSIZ); | |
698 | BIO_printf(bio,"subject=%s\n",buf); | |
699 | X509_NAME_oneline(X509_get_issuer_name(peer), | |
700 | buf,BUFSIZ); | |
701 | BIO_printf(bio,"issuer=%s\n",buf); | |
d02b48c6 RE |
702 | } |
703 | else | |
704 | BIO_printf(bio,"no peer certificate available\n"); | |
705 | ||
f73e07cf | 706 | sk2=SSL_get_client_CA_list(s); |
d91f8c3c | 707 | if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) |
d02b48c6 RE |
708 | { |
709 | BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); | |
f73e07cf | 710 | for (i=0; i<sk_X509_NAME_num(sk2); i++) |
d02b48c6 | 711 | { |
f73e07cf | 712 | xn=sk_X509_NAME_value(sk2,i); |
d02b48c6 RE |
713 | X509_NAME_oneline(xn,buf,sizeof(buf)); |
714 | BIO_write(bio,buf,strlen(buf)); | |
715 | BIO_write(bio,"\n",1); | |
716 | } | |
717 | } | |
718 | else | |
719 | { | |
720 | BIO_printf(bio,"---\nNo client certificate CA names sent\n"); | |
721 | } | |
722 | p=SSL_get_shared_ciphers(s,buf,BUFSIZ); | |
723 | if (p != NULL) | |
724 | { | |
725 | BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); | |
726 | j=i=0; | |
727 | while (*p) | |
728 | { | |
729 | if (*p == ':') | |
730 | { | |
58964a49 | 731 | BIO_write(bio,space,15-j%25); |
d02b48c6 RE |
732 | i++; |
733 | j=0; | |
734 | BIO_write(bio,((i%3)?" ":"\n"),1); | |
735 | } | |
736 | else | |
737 | { | |
738 | BIO_write(bio,p,1); | |
739 | j++; | |
740 | } | |
741 | p++; | |
742 | } | |
743 | BIO_write(bio,"\n",1); | |
744 | } | |
745 | ||
746 | BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", | |
747 | BIO_number_read(SSL_get_rbio(s)), | |
748 | BIO_number_written(SSL_get_wbio(s))); | |
749 | } | |
750 | BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, ")); | |
751 | c=SSL_get_current_cipher(s); | |
752 | BIO_printf(bio,"%s, Cipher is %s\n", | |
753 | SSL_CIPHER_get_version(c), | |
754 | SSL_CIPHER_get_name(c)); | |
a8236c8c DSH |
755 | if (peer != NULL) { |
756 | EVP_PKEY *pktmp; | |
757 | pktmp = X509_get_pubkey(peer); | |
58964a49 | 758 | BIO_printf(bio,"Server public key is %d bit\n", |
a8236c8c DSH |
759 | EVP_PKEY_bits(pktmp)); |
760 | EVP_PKEY_free(pktmp); | |
761 | } | |
d02b48c6 RE |
762 | SSL_SESSION_print(bio,SSL_get_session(s)); |
763 | BIO_printf(bio,"---\n"); | |
58964a49 RE |
764 | if (peer != NULL) |
765 | X509_free(peer); | |
d02b48c6 RE |
766 | } |
767 |