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diff --git a/src/lib/libssl/src/apps/s_server.c b/src/lib/libssl/src/apps/s_server.c
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1/* apps/s_server.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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#include <sys/types.h>
63#include <sys/stat.h>
64#ifdef NO_STDIO
65#define APPS_WIN16
66#endif
67#include "lhash.h"
68#include "bn.h"
69#define USE_SOCKETS
70#include "apps.h"
71#include "err.h"
72#include "pem.h"
73#include "x509.h"
74#include "ssl.h"
75#include "s_apps.h"
76
77#ifndef NOPROTO
78static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export);
79static int sv_body(char *hostname, int s);
80static int www_body(char *hostname, int s);
81static void close_accept_socket(void );
82static void sv_usage(void);
83static int init_ssl_connection(SSL *s);
84static void print_stats(BIO *bp,SSL_CTX *ctx);
85#ifndef NO_DH
86static DH *load_dh_param(void );
87static DH *get_dh512(void);
88#endif
89/* static void s_server_init(void);*/
90#else
91static RSA MS_CALLBACK *tmp_rsa_cb();
92static int sv_body();
93static int www_body();
94static void close_accept_socket();
95static void sv_usage();
96static int init_ssl_connection();
97static void print_stats();
98#ifndef NO_DH
99static DH *load_dh_param();
100static DH *get_dh512();
101#endif
102/* static void s_server_init(); */
103#endif
104
105
106#ifndef S_ISDIR
107#define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
108#endif
109
110#ifndef NO_DH
111static unsigned char dh512_p[]={
112 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
113 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
114 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
115 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
116 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
117 0x47,0x74,0xE8,0x33,
118 };
119static unsigned char dh512_g[]={
120 0x02,
121 };
122
123static DH *get_dh512()
124 {
125 DH *dh=NULL;
126
127 if ((dh=DH_new()) == NULL) return(NULL);
128 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
129 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
130 if ((dh->p == NULL) || (dh->g == NULL))
131 return(NULL);
132 return(dh);
133 }
134#endif
135
136/* static int load_CA(SSL_CTX *ctx, char *file);*/
137
138#undef BUFSIZZ
139#define BUFSIZZ 8*1024
140static int accept_socket= -1;
141
142#define TEST_CERT "server.pem"
143#undef PROG
144#define PROG s_server_main
145
146#define DH_PARAM "server.pem"
147
148extern int verify_depth;
149
150static char *cipher=NULL;
151static int s_server_verify=SSL_VERIFY_NONE;
152static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
153static char *s_dcert_file=NULL,*s_dkey_file=NULL;
154#ifdef FIONBIO
155static int s_nbio=0;
156#endif
157static int s_nbio_test=0;
158static SSL_CTX *ctx=NULL;
159static int www=0;
160
161static BIO *bio_s_out=NULL;
162static int s_debug=0;
163static int s_quiet=0;
164
165#if 0
166static void s_server_init()
167 {
168 cipher=NULL;
169 s_server_verify=SSL_VERIFY_NONE;
170 s_dcert_file=NULL;
171 s_dkey_file=NULL;
172 s_cert_file=TEST_CERT;
173 s_key_file=NULL;
174#ifdef FIONBIO
175 s_nbio=0;
176#endif
177 s_nbio_test=0;
178 ctx=NULL;
179 www=0;
180
181 bio_s_out=NULL;
182 s_debug=0;
183 s_quiet=0;
184 }
185#endif
186
187static void sv_usage()
188 {
189 BIO_printf(bio_err,"usage: s_server [args ...]\n");
190 BIO_printf(bio_err,"\n");
191 BIO_printf(bio_err," -accept arg - port to accept on (default is %d\n",PORT);
192 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
193 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
194 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
195 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
196 BIO_printf(bio_err," -key arg - RSA file to use, PEM format assumed, in cert file if\n");
197 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
198#ifdef FIONBIO
199 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
200#endif
201 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
202 BIO_printf(bio_err," -debug - Print more output\n");
203 BIO_printf(bio_err," -state - Print the SSL states\n");
204 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
205 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
206 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
207 BIO_printf(bio_err," -cipher arg - play with 'ssleay ciphers' to see what goes here\n");
208 BIO_printf(bio_err," -quiet - No server output\n");
209 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
210 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
211 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
212 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
213 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
214 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
215 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
216 BIO_printf(bio_err," -bugs - Turn on SSL bug compatability\n");
217 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
218 BIO_printf(bio_err," -WWW - Returns requested page from to a 'GET <path> HTTP/1.0'\n");
219 }
220
221static int local_argc=0;
222static char **local_argv;
223static int hack=0;
224
225int MAIN(argc, argv)
226int argc;
227char *argv[];
228 {
229 short port=PORT;
230 char *CApath=NULL,*CAfile=NULL;
231 int badop=0,bugs=0;
232 int ret=1;
233 int off=0;
234 int no_tmp_rsa=0,nocert=0;
235 int state=0;
236 SSL_METHOD *meth=NULL;
237#ifndef NO_DH
238 DH *dh=NULL;
239#endif
240
241#if !defined(NO_SSL2) && !defined(NO_SSL3)
242 meth=SSLv23_server_method();
243#elif !defined(NO_SSL3)
244 meth=SSLv3_server_method();
245#elif !defined(NO_SSL2)
246 meth=SSLv2_server_method();
247#endif
248
249 local_argc=argc;
250 local_argv=argv;
251
252 apps_startup();
253 s_quiet=0;
254 s_debug=0;
255
256 if (bio_err == NULL)
257 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
258
259 verify_depth=0;
260#ifdef FIONBIO
261 s_nbio=0;
262#endif
263 s_nbio_test=0;
264
265 argc--;
266 argv++;
267
268 while (argc >= 1)
269 {
270 if ((strcmp(*argv,"-port") == 0) ||
271 (strcmp(*argv,"-accept") == 0))
272 {
273 if (--argc < 1) goto bad;
274 if (!extract_port(*(++argv),&port))
275 goto bad;
276 }
277 else if (strcmp(*argv,"-verify") == 0)
278 {
279 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
280 if (--argc < 1) goto bad;
281 verify_depth=atoi(*(++argv));
282 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
283 }
284 else if (strcmp(*argv,"-Verify") == 0)
285 {
286 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
287 SSL_VERIFY_CLIENT_ONCE;
288 if (--argc < 1) goto bad;
289 verify_depth=atoi(*(++argv));
290 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
291 }
292 else if (strcmp(*argv,"-cert") == 0)
293 {
294 if (--argc < 1) goto bad;
295 s_cert_file= *(++argv);
296 }
297 else if (strcmp(*argv,"-key") == 0)
298 {
299 if (--argc < 1) goto bad;
300 s_key_file= *(++argv);
301 }
302 else if (strcmp(*argv,"-dcert") == 0)
303 {
304 if (--argc < 1) goto bad;
305 s_dcert_file= *(++argv);
306 }
307 else if (strcmp(*argv,"-dkey") == 0)
308 {
309 if (--argc < 1) goto bad;
310 s_dkey_file= *(++argv);
311 }
312 else if (strcmp(*argv,"-nocert") == 0)
313 {
314 nocert=1;
315 }
316 else if (strcmp(*argv,"-CApath") == 0)
317 {
318 if (--argc < 1) goto bad;
319 CApath= *(++argv);
320 }
321 else if (strcmp(*argv,"-cipher") == 0)
322 {
323 if (--argc < 1) goto bad;
324 cipher= *(++argv);
325 }
326 else if (strcmp(*argv,"-CAfile") == 0)
327 {
328 if (--argc < 1) goto bad;
329 CAfile= *(++argv);
330 }
331#ifdef FIONBIO
332 else if (strcmp(*argv,"-nbio") == 0)
333 { s_nbio=1; }
334#endif
335 else if (strcmp(*argv,"-nbio_test") == 0)
336 {
337#ifdef FIONBIO
338 s_nbio=1;
339#endif
340 s_nbio_test=1;
341 }
342 else if (strcmp(*argv,"-debug") == 0)
343 { s_debug=1; }
344 else if (strcmp(*argv,"-hack") == 0)
345 { hack=1; }
346 else if (strcmp(*argv,"-state") == 0)
347 { state=1; }
348 else if (strcmp(*argv,"-quiet") == 0)
349 { s_quiet=1; }
350 else if (strcmp(*argv,"-bugs") == 0)
351 { bugs=1; }
352 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
353 { no_tmp_rsa=1; }
354 else if (strcmp(*argv,"-www") == 0)
355 { www=1; }
356 else if (strcmp(*argv,"-WWW") == 0)
357 { www=2; }
358 else if (strcmp(*argv,"-no_ssl2") == 0)
359 { off|=SSL_OP_NO_SSLv2; }
360 else if (strcmp(*argv,"-no_ssl3") == 0)
361 { off|=SSL_OP_NO_SSLv3; }
362 else if (strcmp(*argv,"-no_tls1") == 0)
363 { off|=SSL_OP_NO_TLSv1; }
364#ifndef NO_SSL2
365 else if (strcmp(*argv,"-ssl2") == 0)
366 { meth=SSLv2_server_method(); }
367#endif
368#ifndef NO_SSL3
369 else if (strcmp(*argv,"-ssl3") == 0)
370 { meth=SSLv3_server_method(); }
371#endif
372#ifndef NO_TLS1
373 else if (strcmp(*argv,"-tls1") == 0)
374 { meth=TLSv1_server_method(); }
375#endif
376 else
377 {
378 BIO_printf(bio_err,"unknown option %s\n",*argv);
379 badop=1;
380 break;
381 }
382 argc--;
383 argv++;
384 }
385 if (badop)
386 {
387bad:
388 sv_usage();
389 goto end;
390 }
391
392 if (bio_s_out == NULL)
393 {
394 if (s_quiet && !s_debug)
395 {
396 bio_s_out=BIO_new(BIO_s_null());
397 }
398 else
399 {
400 if (bio_s_out == NULL)
401 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
402 }
403 }
404
405#if !defined(NO_RSA) || !defined(NO_DSA)
406 if (nocert)
407#endif
408 {
409 s_cert_file=NULL;
410 s_key_file=NULL;
411 s_dcert_file=NULL;
412 s_dkey_file=NULL;
413 }
414
415 SSL_load_error_strings();
416 SSLeay_add_ssl_algorithms();
417
418 ctx=SSL_CTX_new(meth);
419 if (ctx == NULL)
420 {
421 ERR_print_errors(bio_err);
422 goto end;
423 }
424
425 SSL_CTX_set_quiet_shutdown(ctx,1);
426 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
427 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
428 SSL_CTX_set_options(ctx,off);
429 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
430
431 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
432
433 SSL_CTX_sess_set_cache_size(ctx,128);
434
435#if 0
436 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
437#endif
438
439#if 0
440 if (s_cert_file == NULL)
441 {
442 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
443 goto end;
444 }
445#endif
446
447 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
448 (!SSL_CTX_set_default_verify_paths(ctx)))
449 {
450 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
451 ERR_print_errors(bio_err);
452 /* goto end; */
453 }
454
455#ifndef NO_DH
456 /* EAY EAY EAY evil hack */
457 dh=load_dh_param();
458 if (dh != NULL)
459 {
460 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
461 }
462 else
463 {
464 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
465 dh=get_dh512();
466 }
467 BIO_flush(bio_s_out);
468
469 SSL_CTX_set_tmp_dh(ctx,dh);
470 DH_free(dh);
471#endif
472
473 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
474 goto end;
475 if (s_dcert_file != NULL)
476 {
477 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
478 goto end;
479 }
480
481#if 1
482 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
483#else
484 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
485 {
486 RSA *rsa;
487
488 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
489 BIO_flush(bio_s_out);
490
491 rsa=RSA_generate_key(512,RSA_F4,NULL);
492
493 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
494 {
495 ERR_print_errors(bio_err);
496 goto end;
497 }
498 RSA_free(rsa);
499 BIO_printf(bio_s_out,"\n");
500 }
501#endif
502
503 if (cipher != NULL)
504 SSL_CTX_set_cipher_list(ctx,cipher);
505 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
506
507 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(s_cert_file));
508
509 BIO_printf(bio_s_out,"ACCEPT\n");
510 if (www)
511 do_server(port,&accept_socket,www_body);
512 else
513 do_server(port,&accept_socket,sv_body);
514 print_stats(bio_s_out,ctx);
515 ret=0;
516end:
517 if (ctx != NULL) SSL_CTX_free(ctx);
518 if (bio_s_out != NULL)
519 {
520 BIO_free(bio_s_out);
521 bio_s_out=NULL;
522 }
523 EXIT(ret);
524 }
525
526static void print_stats(bio,ssl_ctx)
527BIO *bio;
528SSL_CTX *ssl_ctx;
529 {
530 BIO_printf(bio,"%4ld items in the session cache\n",
531 SSL_CTX_sess_number(ssl_ctx));
532 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
533 SSL_CTX_sess_connect(ssl_ctx));
534 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
535 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
536 BIO_printf(bio,"%4d client connects that finished\n",
537 SSL_CTX_sess_connect_good(ssl_ctx));
538 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
539 SSL_CTX_sess_accept(ssl_ctx));
540 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
541 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
542 BIO_printf(bio,"%4d server accepts that finished\n",
543 SSL_CTX_sess_accept_good(ssl_ctx));
544 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
545 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
546 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
547 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
548 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
549 SSL_CTX_sess_cache_full(ssl_ctx),
550 SSL_CTX_sess_get_cache_size(ssl_ctx));
551 }
552
553static int sv_body(hostname, s)
554char *hostname;
555int s;
556 {
557 char *buf=NULL;
558 fd_set readfds;
559 int ret=1,width;
560 int k,i;
561 unsigned long l;
562 SSL *con=NULL;
563 BIO *sbio;
564
565 if ((buf=Malloc(BUFSIZZ)) == NULL)
566 {
567 BIO_printf(bio_err,"out of memory\n");
568 goto err;
569 }
570#ifdef FIONBIO
571 if (s_nbio)
572 {
573 unsigned long sl=1;
574
575 if (!s_quiet)
576 BIO_printf(bio_err,"turning on non blocking io\n");
577 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
578 ERR_print_errors(bio_err);
579 }
580#endif
581
582 if (con == NULL)
583 con=(SSL *)SSL_new(ctx);
584 SSL_clear(con);
585
586 sbio=BIO_new_socket(s,BIO_NOCLOSE);
587 if (s_nbio_test)
588 {
589 BIO *test;
590
591 test=BIO_new(BIO_f_nbio_test());
592 sbio=BIO_push(test,sbio);
593 }
594 SSL_set_bio(con,sbio,sbio);
595 SSL_set_accept_state(con);
596 /* SSL_set_fd(con,s); */
597
598 if (s_debug)
599 {
600 con->debug=1;
601 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
602 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
603 }
604
605 width=s+1;
606 for (;;)
607 {
608 FD_ZERO(&readfds);
609#ifndef WINDOWS
610 FD_SET(fileno(stdin),&readfds);
611#endif
612 FD_SET(s,&readfds);
613 i=select(width,&readfds,NULL,NULL,NULL);
614 if (i <= 0) continue;
615 if (FD_ISSET(fileno(stdin),&readfds))
616 {
617 i=read(fileno(stdin),buf,128/*BUFSIZZ*/);
618 if (!s_quiet)
619 {
620 if ((i <= 0) || (buf[0] == 'Q'))
621 {
622 BIO_printf(bio_s_out,"DONE\n");
623 SHUTDOWN(s);
624 close_accept_socket();
625 ret= -11;
626 goto err;
627 }
628 if ((i <= 0) || (buf[0] == 'q'))
629 {
630 BIO_printf(bio_s_out,"DONE\n");
631 SHUTDOWN(s);
632 /* close_accept_socket();
633 ret= -11;*/
634 goto err;
635 }
636 if ((buf[0] == 'r') &&
637 ((buf[1] == '\n') || (buf[1] == '\r')))
638 {
639 SSL_renegotiate(con);
640 i=SSL_do_handshake(con);
641 printf("SSL_do_handshake -> %d\n",i);
642 i=0; /*13; */
643 continue;
644 strcpy(buf,"server side RE-NEGOTIATE\n");
645 }
646 if ((buf[0] == 'R') &&
647 ((buf[1] == '\0') || (buf[1] == '\r')))
648 {
649 SSL_set_verify(con,
650 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
651 SSL_renegotiate(con);
652 i=SSL_do_handshake(con);
653 printf("SSL_do_handshake -> %d\n",i);
654 i=0; /* 13; */
655 continue;
656 strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n");
657 }
658 if (buf[0] == 'P')
659 {
660 static char *str="Lets print some clear text\n";
661 BIO_write(SSL_get_wbio(con),str,strlen(str));
662 }
663 if (buf[0] == 'S')
664 {
665 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
666 }
667 }
668 l=k=0;
669 for (;;)
670 {
671 /* should do a select for the write */
672#ifdef RENEG
673{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
674#endif
675 k=SSL_write(con,&(buf[l]),(unsigned int)i);
676 switch (SSL_get_error(con,k))
677 {
678 case SSL_ERROR_NONE:
679 break;
680 case SSL_ERROR_WANT_WRITE:
681 case SSL_ERROR_WANT_READ:
682 case SSL_ERROR_WANT_X509_LOOKUP:
683 BIO_printf(bio_s_out,"Write BLOCK\n");
684 break;
685 case SSL_ERROR_SYSCALL:
686 case SSL_ERROR_SSL:
687 BIO_printf(bio_s_out,"ERROR\n");
688 ERR_print_errors(bio_err);
689 ret=1;
690 goto err;
691 break;
692 case SSL_ERROR_ZERO_RETURN:
693 BIO_printf(bio_s_out,"DONE\n");
694 ret=1;
695 goto err;
696 }
697 l+=k;
698 i-=k;
699 if (i <= 0) break;
700 }
701 }
702 if (FD_ISSET(s,&readfds))
703 {
704 if (!SSL_is_init_finished(con))
705 {
706 i=init_ssl_connection(con);
707
708 if (i < 0)
709 {
710 ret=0;
711 goto err;
712 }
713 else if (i == 0)
714 {
715 ret=1;
716 goto err;
717 }
718 }
719 else
720 {
721 i=SSL_read(con,(char *)buf,128 /*BUFSIZZ */);
722 switch (SSL_get_error(con,i))
723 {
724 case SSL_ERROR_NONE:
725 write(fileno(stdout),buf,
726 (unsigned int)i);
727 break;
728 case SSL_ERROR_WANT_WRITE:
729 case SSL_ERROR_WANT_READ:
730 case SSL_ERROR_WANT_X509_LOOKUP:
731 BIO_printf(bio_s_out,"Read BLOCK\n");
732 break;
733 case SSL_ERROR_SYSCALL:
734 case SSL_ERROR_SSL:
735 BIO_printf(bio_s_out,"ERROR\n");
736 ERR_print_errors(bio_err);
737 ret=1;
738 goto err;
739 case SSL_ERROR_ZERO_RETURN:
740 BIO_printf(bio_s_out,"DONE\n");
741 ret=1;
742 goto err;
743 }
744 }
745 }
746 }
747err:
748 BIO_printf(bio_s_out,"shutting down SSL\n");
749#if 1
750 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
751#else
752 SSL_shutdown(con);
753#endif
754 if (con != NULL) SSL_free(con);
755 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
756 if (buf != NULL)
757 {
758 memset(buf,0,BUFSIZZ);
759 Free(buf);
760 }
761 if (ret >= 0)
762 BIO_printf(bio_s_out,"ACCEPT\n");
763 return(ret);
764 }
765
766static void close_accept_socket()
767 {
768 BIO_printf(bio_err,"shutdown accept socket\n");
769 if (accept_socket >= 0)
770 {
771 SHUTDOWN2(accept_socket);
772 }
773 }
774
775static int init_ssl_connection(con)
776SSL *con;
777 {
778 int i;
779 char *str;
780 X509 *peer;
781 long verify_error;
782 MS_STATIC char buf[BUFSIZ];
783
784 if ((i=SSL_accept(con)) <= 0)
785 {
786 if (BIO_sock_should_retry(i))
787 {
788 BIO_printf(bio_s_out,"DELAY\n");
789 return(1);
790 }
791
792 BIO_printf(bio_err,"ERROR\n");
793 verify_error=SSL_get_verify_result(con);
794 if (verify_error != X509_V_OK)
795 {
796 BIO_printf(bio_err,"verify error:%s\n",
797 X509_verify_cert_error_string(verify_error));
798 }
799 else
800 ERR_print_errors(bio_err);
801 return(0);
802 }
803
804 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
805
806 peer=SSL_get_peer_certificate(con);
807 if (peer != NULL)
808 {
809 BIO_printf(bio_s_out,"Client certificate\n");
810 PEM_write_bio_X509(bio_s_out,peer);
811 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
812 BIO_printf(bio_s_out,"subject=%s\n",buf);
813 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
814 BIO_printf(bio_s_out,"issuer=%s\n",buf);
815 X509_free(peer);
816 }
817
818 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
819 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
820 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
821 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
822 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
823 return(1);
824 }
825
826#ifndef NO_DH
827static DH *load_dh_param()
828 {
829 DH *ret=NULL;
830 BIO *bio;
831
832 if ((bio=BIO_new_file(DH_PARAM,"r")) == NULL)
833 goto err;
834 ret=PEM_read_bio_DHparams(bio,NULL,NULL);
835err:
836 if (bio != NULL) BIO_free(bio);
837 return(ret);
838 }
839#endif
840
841#if 0
842static int load_CA(ctx,file)
843SSL_CTX *ctx;
844char *file;
845 {
846 FILE *in;
847 X509 *x=NULL;
848
849 if ((in=fopen(file,"r")) == NULL)
850 return(0);
851
852 for (;;)
853 {
854 if (PEM_read_X509(in,&x,NULL) == NULL)
855 break;
856 SSL_CTX_add_client_CA(ctx,x);
857 }
858 if (x != NULL) X509_free(x);
859 fclose(in);
860 return(1);
861 }
862#endif
863
864static int www_body(hostname, s)
865char *hostname;
866int s;
867 {
868 char buf[1024];
869 int ret=1;
870 int i,j,k,blank,dot;
871 struct stat st_buf;
872 SSL *con;
873 SSL_CIPHER *c;
874 BIO *io,*ssl_bio,*sbio;
875 long total_bytes;
876
877 io=BIO_new(BIO_f_buffer());
878 ssl_bio=BIO_new(BIO_f_ssl());
879 if ((io == NULL) || (ssl_bio == NULL)) goto err;
880
881#ifdef FIONBIO
882 if (s_nbio)
883 {
884 unsigned long sl=1;
885
886 if (!s_quiet)
887 BIO_printf(bio_err,"turning on non blocking io\n");
888 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
889 ERR_print_errors(bio_err);
890 }
891#endif
892
893 /* lets make the output buffer a reasonable size */
894 if (!BIO_set_write_buffer_size(io,253 /*16*1024*/)) goto err;
895
896 if ((con=(SSL *)SSL_new(ctx)) == NULL) goto err;
897
898 sbio=BIO_new_socket(s,BIO_NOCLOSE);
899 if (s_nbio_test)
900 {
901 BIO *test;
902
903 test=BIO_new(BIO_f_nbio_test());
904 sbio=BIO_push(test,sbio);
905 }
906 SSL_set_bio(con,sbio,sbio);
907 SSL_set_accept_state(con);
908
909 /* SSL_set_fd(con,s); */
910 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
911 BIO_push(io,ssl_bio);
912
913 if (s_debug)
914 {
915 con->debug=1;
916 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
917 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
918 }
919
920 blank=0;
921 for (;;)
922 {
923 if (hack)
924 {
925 i=SSL_accept(con);
926
927 switch (SSL_get_error(con,i))
928 {
929 case SSL_ERROR_NONE:
930 break;
931 case SSL_ERROR_WANT_WRITE:
932 case SSL_ERROR_WANT_READ:
933 case SSL_ERROR_WANT_X509_LOOKUP:
934 continue;
935 case SSL_ERROR_SYSCALL:
936 case SSL_ERROR_SSL:
937 case SSL_ERROR_ZERO_RETURN:
938 ret=1;
939 goto err;
940 break;
941 }
942
943 SSL_renegotiate(con);
944 SSL_write(con,NULL,0);
945 }
946
947 i=BIO_gets(io,buf,sizeof(buf)-1);
948 if (i < 0) /* error */
949 {
950 if (!BIO_should_retry(io))
951 {
952 if (!s_quiet)
953 ERR_print_errors(bio_err);
954 goto err;
955 }
956 else
957 {
958 BIO_printf(bio_s_out,"read R BLOCK\n");
959#ifndef MSDOS
960 sleep(1);
961#endif
962 continue;
963 }
964 }
965 else if (i == 0) /* end of input */
966 {
967 ret=1;
968 goto end;
969 }
970
971 /* else we have data */
972 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
973 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
974 {
975 char *p;
976 X509 *peer;
977 STACK *sk;
978 static char *space=" ";
979
980 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
981 BIO_puts(io,"<HTML><BODY BGCOLOR=ffffff>\n");
982 BIO_puts(io,"<pre>\n");
983/* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
984 BIO_puts(io,"\n");
985 for (i=0; i<local_argc; i++)
986 {
987 BIO_puts(io,local_argv[i]);
988 BIO_write(io," ",1);
989 }
990 BIO_puts(io,"\n");
991
992 /* The following is evil and should not really
993 * be done */
994 BIO_printf(io,"Ciphers supported in s_server binary\n");
995 sk=SSL_get_ciphers(con);
996 j=sk_num(sk);
997 for (i=0; i<j; i++)
998 {
999 c=(SSL_CIPHER *)sk_value(sk,i);
1000 BIO_printf(io,"%-11s:%-25s",
1001 SSL_CIPHER_get_version(c),
1002 SSL_CIPHER_get_name(c));
1003 if ((((i+1)%2) == 0) && (i+1 != j))
1004 BIO_puts(io,"\n");
1005 }
1006 BIO_puts(io,"\n");
1007 p=SSL_get_shared_ciphers(con,buf,sizeof(buf));
1008 if (p != NULL)
1009 {
1010 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1011 j=i=0;
1012 while (*p)
1013 {
1014 if (*p == ':')
1015 {
1016 BIO_write(io,space,26-j);
1017 i++;
1018 j=0;
1019 BIO_write(io,((i%3)?" ":"\n"),1);
1020 }
1021 else
1022 {
1023 BIO_write(io,p,1);
1024 j++;
1025 }
1026 p++;
1027 }
1028 BIO_puts(io,"\n");
1029 }
1030 BIO_printf(io,((con->hit)
1031 ?"---\nReused, "
1032 :"---\nNew, "));
1033 c=SSL_get_current_cipher(con);
1034 BIO_printf(io,"%s, Cipher is %s\n",
1035 SSL_CIPHER_get_version(c),
1036 SSL_CIPHER_get_name(c));
1037 SSL_SESSION_print(io,SSL_get_session(con));
1038 BIO_printf(io,"---\n");
1039 print_stats(io,SSL_get_SSL_CTX(con));
1040 BIO_printf(io,"---\n");
1041 peer=SSL_get_peer_certificate(con);
1042 if (peer != NULL)
1043 {
1044 BIO_printf(io,"Client certificate\n");
1045 X509_print(io,peer);
1046 PEM_write_bio_X509(io,peer);
1047 }
1048 else
1049 BIO_puts(io,"no client certificate available\n");
1050 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1051 break;
1052 }
1053 else if ((www == 2) && (strncmp("GET ",buf,4) == 0))
1054 {
1055 BIO *file;
1056 char *p,*e;
1057 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1058
1059 /* skip the '/' */
1060 p= &(buf[5]);
1061 dot=0;
1062 for (e=p; *e != '\0'; e++)
1063 {
1064 if (e[0] == ' ') break;
1065 if ( (e[0] == '.') &&
1066 (strncmp(&(e[-1]),"/../",4) == 0))
1067 dot=1;
1068 }
1069
1070
1071 if (*e == '\0')
1072 {
1073 BIO_puts(io,text);
1074 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1075 break;
1076 }
1077 *e='\0';
1078
1079 if (dot)
1080 {
1081 BIO_puts(io,text);
1082 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1083 break;
1084 }
1085
1086 if (*p == '/')
1087 {
1088 BIO_puts(io,text);
1089 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1090 break;
1091 }
1092
1093 /* append if a directory lookup */
1094 if (e[-1] == '/')
1095 strcat(p,"index.html");
1096
1097 /* if a directory, do the index thang */
1098 if (stat(p,&st_buf) < 0)
1099 {
1100 BIO_puts(io,text);
1101 BIO_printf(io,"Error accessing '%s'\r\n",p);
1102 ERR_print_errors(io);
1103 break;
1104 }
1105 if (S_ISDIR(st_buf.st_mode))
1106 {
1107 strcat(p,"/index.html");
1108 }
1109
1110 if ((file=BIO_new_file(p,"r")) == NULL)
1111 {
1112 BIO_puts(io,text);
1113 BIO_printf(io,"Error opening '%s'\r\n",p);
1114 ERR_print_errors(io);
1115 break;
1116 }
1117
1118 if (!s_quiet)
1119 BIO_printf(bio_err,"FILE:%s\n",p);
1120
1121 i=strlen(p);
1122 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1123 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1124 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1125 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1126 else
1127 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1128 /* send the file */
1129 total_bytes=0;
1130 for (;;)
1131 {
1132 i=BIO_read(file,buf,1024);
1133 if (i <= 0) break;
1134
1135 total_bytes+=i;
1136 fprintf(stderr,"%d\n",i);
1137 if (total_bytes > 3*1024)
1138 {
1139 total_bytes=0;
1140 fprintf(stderr,"RENEGOTIATE\n");
1141 SSL_renegotiate(con);
1142 }
1143
1144 for (j=0; j<i; )
1145 {
1146#ifdef RENEG
1147{ static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1148#endif
1149 k=BIO_write(io,&(buf[j]),i-j);
1150 if (k <= 0)
1151 {
1152 if (!BIO_should_retry(io))
1153 goto write_error;
1154 else
1155 {
1156 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1157 }
1158 }
1159 else
1160 {
1161 j+=k;
1162 }
1163 }
1164 }
1165write_error:
1166 BIO_free(file);
1167 break;
1168 }
1169 }
1170
1171 for (;;)
1172 {
1173 i=(int)BIO_flush(io);
1174 if (i <= 0)
1175 {
1176 if (!BIO_should_retry(io))
1177 break;
1178 }
1179 else
1180 break;
1181 }
1182end:
1183#if 1
1184 /* make sure we re-use sessions */
1185 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1186#else
1187 /* This kills performace */
1188/* SSL_shutdown(con); A shutdown gets sent in the
1189 * BIO_free_all(io) procession */
1190#endif
1191
1192err:
1193
1194 if (ret >= 0)
1195 BIO_printf(bio_s_out,"ACCEPT\n");
1196
1197 if (io != NULL) BIO_free_all(io);
1198/* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1199 return(ret);
1200 }
1201
1202static RSA MS_CALLBACK *tmp_rsa_cb(s,export)
1203SSL *s;
1204int export;
1205 {
1206 static RSA *rsa_tmp=NULL;
1207
1208 if (rsa_tmp == NULL)
1209 {
1210 if (!s_quiet)
1211 {
1212 BIO_printf(bio_err,"Generating temp (512 bit) RSA key...");
1213 BIO_flush(bio_err);
1214 }
1215#ifndef NO_RSA
1216 rsa_tmp=RSA_generate_key(512,RSA_F4,NULL,NULL);
1217#endif
1218 if (!s_quiet)
1219 {
1220 BIO_printf(bio_err,"\n");
1221 BIO_flush(bio_err);
1222 }
1223 }
1224 return(rsa_tmp);
1225 }
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-12-26 06:57:54 +0000