2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
58 /* ====================================================================
59 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
117 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
118 * deprecated functions for openssl-internal code */
119 #ifdef OPENSSL_NO_DEPRECATED
120 #undef OPENSSL_NO_DEPRECATED
127 #include <sys/types.h>
128 #include <sys/stat.h>
129 #include <openssl/e_os2.h>
130 #ifdef OPENSSL_NO_STDIO
134 /* With IPv6, it looks like Digital has mixed up the proper order of
135 recursive header file inclusion, resulting in the compiler complaining
136 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
137 is needed to have fileno() declared correctly... So let's define u_int */
138 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
140 typedef unsigned int u_int;
143 #include <openssl/lhash.h>
144 #include <openssl/bn.h>
147 #include <openssl/err.h>
148 #include <openssl/pem.h>
149 #include <openssl/x509.h>
150 #include <openssl/ssl.h>
151 #include <openssl/rand.h>
154 #ifdef OPENSSL_SYS_WINDOWS
158 #ifdef OPENSSL_SYS_WINCE
159 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
163 #define fileno(a) (int)_fileno(a)
166 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
167 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
171 #ifndef OPENSSL_NO_RSA
172 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
174 static int sv_body(char *hostname, int s, unsigned char *context);
175 static int www_body(char *hostname, int s, unsigned char *context);
176 static void close_accept_socket(void );
177 static void sv_usage(void);
178 static int init_ssl_connection(SSL *s);
179 static void print_stats(BIO *bp,SSL_CTX *ctx);
180 static int generate_session_id(const SSL *ssl, unsigned char *id,
181 unsigned int *id_len);
182 #ifndef OPENSSL_NO_DH
183 static DH *load_dh_param(char *dhfile);
184 static DH *get_dh512(void);
188 static void s_server_init(void);
192 # if defined(_S_IFMT) && defined(_S_IFDIR)
193 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
195 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
199 #ifndef OPENSSL_NO_DH
200 static unsigned char dh512_p[]={
201 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
202 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
203 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
204 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
205 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
208 static unsigned char dh512_g[]={
212 static DH *get_dh512(void)
216 if ((dh=DH_new()) == NULL) return(NULL);
217 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
218 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
219 if ((dh->p == NULL) || (dh->g == NULL))
226 /* static int load_CA(SSL_CTX *ctx, char *file);*/
229 #define BUFSIZZ 16*1024
230 static int bufsize=BUFSIZZ;
231 static int accept_socket= -1;
233 #define TEST_CERT "server.pem"
235 #define PROG s_server_main
237 extern int verify_depth;
239 static char *cipher=NULL;
240 static int s_server_verify=SSL_VERIFY_NONE;
241 static int s_server_session_id_context = 1; /* anything will do */
242 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
243 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
247 static int s_nbio_test=0;
249 static SSL_CTX *ctx=NULL;
252 static BIO *bio_s_out=NULL;
253 static int s_debug=0;
255 static int s_quiet=0;
258 static char *engine_id=NULL;
259 static const char *session_id_prefix=NULL;
262 static void s_server_init(void)
266 s_server_verify=SSL_VERIFY_NONE;
269 s_cert_file=TEST_CERT;
287 static void sv_usage(void)
289 BIO_printf(bio_err,"usage: s_server [args ...]\n");
290 BIO_printf(bio_err,"\n");
291 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
292 BIO_printf(bio_err," -context arg - set session ID context\n");
293 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
294 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
295 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
296 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
297 BIO_printf(bio_err," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
298 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
299 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
300 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
301 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
302 BIO_printf(bio_err," or a default set of parameters is used\n");
303 #ifndef OPENSSL_NO_ECDH
304 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
305 " Use \"openssl ecparam -list_curves\" for all names\n" \
306 " (default is sect163r2).\n");
309 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
311 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
312 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
313 BIO_printf(bio_err," -debug - Print more output\n");
314 BIO_printf(bio_err," -msg - Show protocol messages\n");
315 BIO_printf(bio_err," -state - Print the SSL states\n");
316 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
317 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
318 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
319 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
320 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
321 BIO_printf(bio_err," -quiet - No server output\n");
322 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
323 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
324 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
325 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
326 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
327 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
328 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
329 #ifndef OPENSSL_NO_DH
330 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
332 #ifndef OPENSSL_NO_ECDH
333 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
335 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
336 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
337 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
338 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
339 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
340 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
341 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
342 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
345 static int local_argc=0;
346 static char **local_argv;
348 #ifdef CHARSET_EBCDIC
349 static int ebcdic_new(BIO *bi);
350 static int ebcdic_free(BIO *a);
351 static int ebcdic_read(BIO *b, char *out, int outl);
352 static int ebcdic_write(BIO *b, const char *in, int inl);
353 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
354 static int ebcdic_gets(BIO *bp, char *buf, int size);
355 static int ebcdic_puts(BIO *bp, const char *str);
357 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
358 static BIO_METHOD methods_ebcdic=
360 BIO_TYPE_EBCDIC_FILTER,
361 "EBCDIC/ASCII filter",
377 BIO_METHOD *BIO_f_ebcdic_filter()
379 return(&methods_ebcdic);
382 static int ebcdic_new(BIO *bi)
384 EBCDIC_OUTBUFF *wbuf;
386 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
387 wbuf->alloced = 1024;
388 wbuf->buff[0] = '\0';
390 bi->ptr=(char *)wbuf;
396 static int ebcdic_free(BIO *a)
398 if (a == NULL) return(0);
400 OPENSSL_free(a->ptr);
407 static int ebcdic_read(BIO *b, char *out, int outl)
411 if (out == NULL || outl == 0) return(0);
412 if (b->next_bio == NULL) return(0);
414 ret=BIO_read(b->next_bio,out,outl);
416 ascii2ebcdic(out,out,ret);
420 static int ebcdic_write(BIO *b, const char *in, int inl)
422 EBCDIC_OUTBUFF *wbuf;
427 if ((in == NULL) || (inl <= 0)) return(0);
428 if (b->next_bio == NULL) return(0);
430 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
432 if (inl > (num = wbuf->alloced))
434 num = num + num; /* double the size */
438 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
441 wbuf->buff[0] = '\0';
446 ebcdic2ascii(wbuf->buff, in, inl);
448 ret=BIO_write(b->next_bio, wbuf->buff, inl);
453 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
457 if (b->next_bio == NULL) return(0);
464 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
470 static int ebcdic_gets(BIO *bp, char *buf, int size)
473 if (bp->next_bio == NULL) return(0);
474 /* return(BIO_gets(bp->next_bio,buf,size));*/
475 for (i=0; i<size-1; ++i)
477 ret = ebcdic_read(bp,&buf[i],1);
480 else if (buf[i] == '\n')
488 return (ret < 0 && i == 0) ? ret : i;
491 static int ebcdic_puts(BIO *bp, const char *str)
493 if (bp->next_bio == NULL) return(0);
494 return ebcdic_write(bp, str, strlen(str));
498 int MAIN(int, char **);
500 int MAIN(int argc, char *argv[])
502 X509_STORE *store = NULL;
505 char *CApath=NULL,*CAfile=NULL;
506 char *context = NULL;
508 char *named_curve = NULL;
512 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
514 SSL_METHOD *meth=NULL;
518 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
519 meth=SSLv23_server_method();
520 #elif !defined(OPENSSL_NO_SSL3)
521 meth=SSLv3_server_method();
522 #elif !defined(OPENSSL_NO_SSL2)
523 meth=SSLv2_server_method();
535 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
537 if (!load_config(bio_err, NULL))
551 if ((strcmp(*argv,"-port") == 0) ||
552 (strcmp(*argv,"-accept") == 0))
554 if (--argc < 1) goto bad;
555 if (!extract_port(*(++argv),&port))
558 else if (strcmp(*argv,"-verify") == 0)
560 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
561 if (--argc < 1) goto bad;
562 verify_depth=atoi(*(++argv));
563 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
565 else if (strcmp(*argv,"-Verify") == 0)
567 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
568 SSL_VERIFY_CLIENT_ONCE;
569 if (--argc < 1) goto bad;
570 verify_depth=atoi(*(++argv));
571 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
573 else if (strcmp(*argv,"-context") == 0)
575 if (--argc < 1) goto bad;
578 else if (strcmp(*argv,"-cert") == 0)
580 if (--argc < 1) goto bad;
581 s_cert_file= *(++argv);
583 else if (strcmp(*argv,"-key") == 0)
585 if (--argc < 1) goto bad;
586 s_key_file= *(++argv);
588 else if (strcmp(*argv,"-dhparam") == 0)
590 if (--argc < 1) goto bad;
593 #ifndef OPENSSL_NO_ECDH
594 else if (strcmp(*argv,"-named_curve") == 0)
596 if (--argc < 1) goto bad;
597 named_curve = *(++argv);
600 else if (strcmp(*argv,"-dcert") == 0)
602 if (--argc < 1) goto bad;
603 s_dcert_file= *(++argv);
605 else if (strcmp(*argv,"-dkey") == 0)
607 if (--argc < 1) goto bad;
608 s_dkey_file= *(++argv);
610 else if (strcmp(*argv,"-nocert") == 0)
614 else if (strcmp(*argv,"-CApath") == 0)
616 if (--argc < 1) goto bad;
619 else if (strcmp(*argv,"-crl_check") == 0)
621 vflags |= X509_V_FLAG_CRL_CHECK;
623 else if (strcmp(*argv,"-crl_check") == 0)
625 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
627 else if (strcmp(*argv,"-serverpref") == 0)
628 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
629 else if (strcmp(*argv,"-cipher") == 0)
631 if (--argc < 1) goto bad;
634 else if (strcmp(*argv,"-CAfile") == 0)
636 if (--argc < 1) goto bad;
640 else if (strcmp(*argv,"-nbio") == 0)
643 else if (strcmp(*argv,"-nbio_test") == 0)
650 else if (strcmp(*argv,"-debug") == 0)
652 else if (strcmp(*argv,"-msg") == 0)
654 else if (strcmp(*argv,"-hack") == 0)
656 else if (strcmp(*argv,"-state") == 0)
658 else if (strcmp(*argv,"-crlf") == 0)
660 else if (strcmp(*argv,"-quiet") == 0)
662 else if (strcmp(*argv,"-bugs") == 0)
664 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
666 else if (strcmp(*argv,"-no_dhe") == 0)
668 else if (strcmp(*argv,"-no_ecdhe") == 0)
670 else if (strcmp(*argv,"-www") == 0)
672 else if (strcmp(*argv,"-WWW") == 0)
674 else if (strcmp(*argv,"-HTTP") == 0)
676 else if (strcmp(*argv,"-no_ssl2") == 0)
677 { off|=SSL_OP_NO_SSLv2; }
678 else if (strcmp(*argv,"-no_ssl3") == 0)
679 { off|=SSL_OP_NO_SSLv3; }
680 else if (strcmp(*argv,"-no_tls1") == 0)
681 { off|=SSL_OP_NO_TLSv1; }
682 #ifndef OPENSSL_NO_SSL2
683 else if (strcmp(*argv,"-ssl2") == 0)
684 { meth=SSLv2_server_method(); }
686 #ifndef OPENSSL_NO_SSL3
687 else if (strcmp(*argv,"-ssl3") == 0)
688 { meth=SSLv3_server_method(); }
690 #ifndef OPENSSL_NO_TLS1
691 else if (strcmp(*argv,"-tls1") == 0)
692 { meth=TLSv1_server_method(); }
694 else if (strcmp(*argv, "-id_prefix") == 0)
696 if (--argc < 1) goto bad;
697 session_id_prefix = *(++argv);
699 else if (strcmp(*argv,"-engine") == 0)
701 if (--argc < 1) goto bad;
702 engine_id= *(++argv);
704 else if (strcmp(*argv,"-rand") == 0)
706 if (--argc < 1) goto bad;
711 BIO_printf(bio_err,"unknown option %s\n",*argv);
725 SSL_load_error_strings();
726 OpenSSL_add_ssl_algorithms();
728 e = setup_engine(bio_err, engine_id, 1);
730 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
733 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
736 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
737 app_RAND_load_files(inrand));
739 if (bio_s_out == NULL)
741 if (s_quiet && !s_debug && !s_msg)
743 bio_s_out=BIO_new(BIO_s_null());
747 if (bio_s_out == NULL)
748 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
752 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
762 ctx=SSL_CTX_new(meth);
765 ERR_print_errors(bio_err);
768 if (session_id_prefix)
770 if(strlen(session_id_prefix) >= 32)
772 "warning: id_prefix is too long, only one new session will be possible\n");
773 else if(strlen(session_id_prefix) >= 16)
775 "warning: id_prefix is too long if you use SSLv2\n");
776 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
778 BIO_printf(bio_err,"error setting 'id_prefix'\n");
779 ERR_print_errors(bio_err);
782 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
784 SSL_CTX_set_quiet_shutdown(ctx,1);
785 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
786 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
787 SSL_CTX_set_options(ctx,off);
789 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
791 SSL_CTX_sess_set_cache_size(ctx,128);
794 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
798 if (s_cert_file == NULL)
800 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
805 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
806 (!SSL_CTX_set_default_verify_paths(ctx)))
808 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
809 ERR_print_errors(bio_err);
812 store = SSL_CTX_get_cert_store(ctx);
813 X509_STORE_set_flags(store, vflags);
815 #ifndef OPENSSL_NO_DH
821 dh = load_dh_param(dhfile);
822 else if (s_cert_file)
823 dh = load_dh_param(s_cert_file);
827 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
831 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
834 (void)BIO_flush(bio_s_out);
836 SSL_CTX_set_tmp_dh(ctx,dh);
841 #ifndef OPENSSL_NO_ECDH
849 BIO_printf(bio_err,"Could not create ECDH struct.\n");
855 int nid = OBJ_sn2nid(named_curve);
859 BIO_printf(bio_err, "unknown curve name (%s)\n",
864 ecdh->group = EC_GROUP_new_by_nid(nid);
865 if (ecdh->group == NULL)
867 BIO_printf(bio_err, "unable to create curve (%s)\n",
873 if (ecdh->group != NULL)
875 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
879 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
880 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
881 if (ecdh->group == NULL)
883 BIO_printf(bio_err, "unable to create curve (sect163r2)\n");
887 (void)BIO_flush(bio_s_out);
889 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
894 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
896 if (s_dcert_file != NULL)
898 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
902 #ifndef OPENSSL_NO_RSA
905 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
907 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
911 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
912 BIO_flush(bio_s_out);
914 rsa=RSA_generate_key(512,RSA_F4,NULL);
916 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
918 ERR_print_errors(bio_err);
922 BIO_printf(bio_s_out,"\n");
928 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
929 BIO_printf(bio_err,"error setting cipher list\n");
930 ERR_print_errors(bio_err);
933 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
934 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
935 sizeof s_server_session_id_context);
938 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
940 BIO_printf(bio_s_out,"ACCEPT\n");
942 do_server(port,&accept_socket,www_body, context);
944 do_server(port,&accept_socket,sv_body, context);
945 print_stats(bio_s_out,ctx);
948 if (ctx != NULL) SSL_CTX_free(ctx);
949 if (bio_s_out != NULL)
958 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
960 BIO_printf(bio,"%4ld items in the session cache\n",
961 SSL_CTX_sess_number(ssl_ctx));
962 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
963 SSL_CTX_sess_connect(ssl_ctx));
964 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
965 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
966 BIO_printf(bio,"%4d client connects that finished\n",
967 SSL_CTX_sess_connect_good(ssl_ctx));
968 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
969 SSL_CTX_sess_accept(ssl_ctx));
970 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
971 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
972 BIO_printf(bio,"%4d server accepts that finished\n",
973 SSL_CTX_sess_accept_good(ssl_ctx));
974 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
975 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
976 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
977 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
978 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
979 SSL_CTX_sess_cache_full(ssl_ctx),
980 SSL_CTX_sess_get_cache_size(ssl_ctx));
983 static int sv_body(char *hostname, int s, unsigned char *context)
992 #ifdef OPENSSL_SYS_WINDOWS
996 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
998 BIO_printf(bio_err,"out of memory\n");
1007 BIO_printf(bio_err,"turning on non blocking io\n");
1008 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1009 ERR_print_errors(bio_err);
1015 #ifndef OPENSSL_NO_KRB5
1016 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1018 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1020 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1023 #endif /* OPENSSL_NO_KRB5 */
1025 SSL_set_session_id_context(con, context,
1026 strlen((char *)context));
1030 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1035 test=BIO_new(BIO_f_nbio_test());
1036 sbio=BIO_push(test,sbio);
1038 SSL_set_bio(con,sbio,sbio);
1039 SSL_set_accept_state(con);
1040 /* SSL_set_fd(con,s); */
1045 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1046 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1050 SSL_set_msg_callback(con, msg_cb);
1051 SSL_set_msg_callback_arg(con, bio_s_out);
1057 int read_from_terminal;
1058 int read_from_sslcon;
1060 read_from_terminal = 0;
1061 read_from_sslcon = SSL_pending(con);
1063 if (!read_from_sslcon)
1066 #ifndef OPENSSL_SYS_WINDOWS
1067 FD_SET(fileno(stdin),&readfds);
1070 /* Note: under VMS with SOCKETSHR the second parameter is
1071 * currently of type (int *) whereas under other systems
1072 * it is (void *) if you don't have a cast it will choke
1073 * the compiler: if you do have a cast then you can either
1074 * go for (int *) or (void *).
1076 #ifdef OPENSSL_SYS_WINDOWS
1077 /* Under Windows we can't select on stdin: only
1078 * on sockets. As a workaround we timeout the select every
1079 * second and check for any keypress. In a proper Windows
1080 * application we wouldn't do this because it is inefficient.
1084 i=select(width,(void *)&readfds,NULL,NULL,&tv);
1085 if((i < 0) || (!i && !_kbhit() ) )continue;
1087 read_from_terminal = 1;
1089 i=select(width,(void *)&readfds,NULL,NULL,NULL);
1090 if (i <= 0) continue;
1091 if (FD_ISSET(fileno(stdin),&readfds))
1092 read_from_terminal = 1;
1094 if (FD_ISSET(s,&readfds))
1095 read_from_sslcon = 1;
1097 if (read_from_terminal)
1103 i=read(fileno(stdin), buf, bufsize/2);
1105 /* both loops are skipped when i <= 0 */
1106 for (j = 0; j < i; j++)
1109 for (j = i-1; j >= 0; j--)
1111 buf[j+lf_num] = buf[j];
1116 buf[j+lf_num] = '\r';
1119 assert(lf_num == 0);
1122 i=read(fileno(stdin),buf,bufsize);
1125 if ((i <= 0) || (buf[0] == 'Q'))
1127 BIO_printf(bio_s_out,"DONE\n");
1129 close_accept_socket();
1133 if ((i <= 0) || (buf[0] == 'q'))
1135 BIO_printf(bio_s_out,"DONE\n");
1137 /* close_accept_socket();
1141 if ((buf[0] == 'r') &&
1142 ((buf[1] == '\n') || (buf[1] == '\r')))
1144 SSL_renegotiate(con);
1145 i=SSL_do_handshake(con);
1146 printf("SSL_do_handshake -> %d\n",i);
1149 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
1151 if ((buf[0] == 'R') &&
1152 ((buf[1] == '\n') || (buf[1] == '\r')))
1155 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1156 SSL_renegotiate(con);
1157 i=SSL_do_handshake(con);
1158 printf("SSL_do_handshake -> %d\n",i);
1161 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1165 static char *str="Lets print some clear text\n";
1166 BIO_write(SSL_get_wbio(con),str,strlen(str));
1170 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1173 #ifdef CHARSET_EBCDIC
1174 ebcdic2ascii(buf,buf,i);
1179 /* should do a select for the write */
1181 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1183 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1184 switch (SSL_get_error(con,k))
1186 case SSL_ERROR_NONE:
1188 case SSL_ERROR_WANT_WRITE:
1189 case SSL_ERROR_WANT_READ:
1190 case SSL_ERROR_WANT_X509_LOOKUP:
1191 BIO_printf(bio_s_out,"Write BLOCK\n");
1193 case SSL_ERROR_SYSCALL:
1195 BIO_printf(bio_s_out,"ERROR\n");
1196 ERR_print_errors(bio_err);
1200 case SSL_ERROR_ZERO_RETURN:
1201 BIO_printf(bio_s_out,"DONE\n");
1210 if (read_from_sslcon)
1212 if (!SSL_is_init_finished(con))
1214 i=init_ssl_connection(con);
1230 i=SSL_read(con,(char *)buf,bufsize);
1231 switch (SSL_get_error(con,i))
1233 case SSL_ERROR_NONE:
1234 #ifdef CHARSET_EBCDIC
1235 ascii2ebcdic(buf,buf,i);
1237 write(fileno(stdout),buf,
1239 if (SSL_pending(con)) goto again;
1241 case SSL_ERROR_WANT_WRITE:
1242 case SSL_ERROR_WANT_READ:
1243 case SSL_ERROR_WANT_X509_LOOKUP:
1244 BIO_printf(bio_s_out,"Read BLOCK\n");
1246 case SSL_ERROR_SYSCALL:
1248 BIO_printf(bio_s_out,"ERROR\n");
1249 ERR_print_errors(bio_err);
1252 case SSL_ERROR_ZERO_RETURN:
1253 BIO_printf(bio_s_out,"DONE\n");
1261 BIO_printf(bio_s_out,"shutting down SSL\n");
1263 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1267 if (con != NULL) SSL_free(con);
1268 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1271 OPENSSL_cleanse(buf,bufsize);
1275 BIO_printf(bio_s_out,"ACCEPT\n");
1279 static void close_accept_socket(void)
1281 BIO_printf(bio_err,"shutdown accept socket\n");
1282 if (accept_socket >= 0)
1284 SHUTDOWN2(accept_socket);
1288 static int init_ssl_connection(SSL *con)
1294 MS_STATIC char buf[BUFSIZ];
1296 if ((i=SSL_accept(con)) <= 0)
1298 if (BIO_sock_should_retry(i))
1300 BIO_printf(bio_s_out,"DELAY\n");
1304 BIO_printf(bio_err,"ERROR\n");
1305 verify_error=SSL_get_verify_result(con);
1306 if (verify_error != X509_V_OK)
1308 BIO_printf(bio_err,"verify error:%s\n",
1309 X509_verify_cert_error_string(verify_error));
1312 ERR_print_errors(bio_err);
1316 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1318 peer=SSL_get_peer_certificate(con);
1321 BIO_printf(bio_s_out,"Client certificate\n");
1322 PEM_write_bio_X509(bio_s_out,peer);
1323 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
1324 BIO_printf(bio_s_out,"subject=%s\n",buf);
1325 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
1326 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1330 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
1331 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1332 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1333 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1334 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1335 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1336 TLS1_FLAGS_TLS_PADDING_BUG)
1337 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1342 #ifndef OPENSSL_NO_DH
1343 static DH *load_dh_param(char *dhfile)
1348 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1350 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1352 if (bio != NULL) BIO_free(bio);
1358 static int load_CA(SSL_CTX *ctx, char *file)
1363 if ((in=fopen(file,"r")) == NULL)
1368 if (PEM_read_X509(in,&x,NULL) == NULL)
1370 SSL_CTX_add_client_CA(ctx,x);
1372 if (x != NULL) X509_free(x);
1378 static int www_body(char *hostname, int s, unsigned char *context)
1382 int i,j,k,blank,dot;
1386 BIO *io,*ssl_bio,*sbio;
1389 buf=OPENSSL_malloc(bufsize);
1390 if (buf == NULL) return(0);
1391 io=BIO_new(BIO_f_buffer());
1392 ssl_bio=BIO_new(BIO_f_ssl());
1393 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1401 BIO_printf(bio_err,"turning on non blocking io\n");
1402 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1403 ERR_print_errors(bio_err);
1407 /* lets make the output buffer a reasonable size */
1408 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1410 if ((con=SSL_new(ctx)) == NULL) goto err;
1411 #ifndef OPENSSL_NO_KRB5
1412 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1414 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
1415 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
1417 #endif /* OPENSSL_NO_KRB5 */
1418 if(context) SSL_set_session_id_context(con, context,
1419 strlen((char *)context));
1421 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1426 test=BIO_new(BIO_f_nbio_test());
1427 sbio=BIO_push(test,sbio);
1429 SSL_set_bio(con,sbio,sbio);
1430 SSL_set_accept_state(con);
1432 /* SSL_set_fd(con,s); */
1433 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1434 BIO_push(io,ssl_bio);
1435 #ifdef CHARSET_EBCDIC
1436 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1442 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1443 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1447 SSL_set_msg_callback(con, msg_cb);
1448 SSL_set_msg_callback_arg(con, bio_s_out);
1458 switch (SSL_get_error(con,i))
1460 case SSL_ERROR_NONE:
1462 case SSL_ERROR_WANT_WRITE:
1463 case SSL_ERROR_WANT_READ:
1464 case SSL_ERROR_WANT_X509_LOOKUP:
1466 case SSL_ERROR_SYSCALL:
1468 case SSL_ERROR_ZERO_RETURN:
1474 SSL_renegotiate(con);
1475 SSL_write(con,NULL,0);
1478 i=BIO_gets(io,buf,bufsize-1);
1479 if (i < 0) /* error */
1481 if (!BIO_should_retry(io))
1484 ERR_print_errors(bio_err);
1489 BIO_printf(bio_s_out,"read R BLOCK\n");
1490 #if !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
1496 else if (i == 0) /* end of input */
1502 /* else we have data */
1503 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1504 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1508 STACK_OF(SSL_CIPHER) *sk;
1509 static char *space=" ";
1511 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1512 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1513 BIO_puts(io,"<pre>\n");
1514 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1516 for (i=0; i<local_argc; i++)
1518 BIO_puts(io,local_argv[i]);
1519 BIO_write(io," ",1);
1523 /* The following is evil and should not really
1525 BIO_printf(io,"Ciphers supported in s_server binary\n");
1526 sk=SSL_get_ciphers(con);
1527 j=sk_SSL_CIPHER_num(sk);
1530 c=sk_SSL_CIPHER_value(sk,i);
1531 BIO_printf(io,"%-11s:%-25s",
1532 SSL_CIPHER_get_version(c),
1533 SSL_CIPHER_get_name(c));
1534 if ((((i+1)%2) == 0) && (i+1 != j))
1538 p=SSL_get_shared_ciphers(con,buf,bufsize);
1541 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1547 BIO_write(io,space,26-j);
1550 BIO_write(io,((i%3)?" ":"\n"),1);
1561 BIO_printf(io,((con->hit)
1564 c=SSL_get_current_cipher(con);
1565 BIO_printf(io,"%s, Cipher is %s\n",
1566 SSL_CIPHER_get_version(c),
1567 SSL_CIPHER_get_name(c));
1568 SSL_SESSION_print(io,SSL_get_session(con));
1569 BIO_printf(io,"---\n");
1570 print_stats(io,SSL_get_SSL_CTX(con));
1571 BIO_printf(io,"---\n");
1572 peer=SSL_get_peer_certificate(con);
1575 BIO_printf(io,"Client certificate\n");
1576 X509_print(io,peer);
1577 PEM_write_bio_X509(io,peer);
1580 BIO_puts(io,"no client certificate available\n");
1581 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1584 else if ((www == 2 || www == 3)
1585 && (strncmp("GET /",buf,5) == 0))
1589 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1595 for (e=p; *e != '\0'; e++)
1603 dot = (e[0] == '.') ? 2 : 0;
1606 dot = (e[0] == '.') ? 3 : 0;
1609 dot = (e[0] == '/') ? -1 : 0;
1613 dot = (e[0] == '/') ? 1 : 0;
1615 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
1620 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1628 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1635 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1640 /* append if a directory lookup */
1642 strcat(p,"index.html");
1645 /* if a directory, do the index thang */
1646 if (stat(p,&st_buf) < 0)
1649 BIO_printf(io,"Error accessing '%s'\r\n",p);
1650 ERR_print_errors(io);
1653 if (S_ISDIR(st_buf.st_mode))
1655 #if 0 /* must check buffer size */
1656 strcat(p,"/index.html");
1659 BIO_printf(io,"'%s' is a directory\r\n",p);
1664 if ((file=BIO_new_file(p,"r")) == NULL)
1667 BIO_printf(io,"Error opening '%s'\r\n",p);
1668 ERR_print_errors(io);
1673 BIO_printf(bio_err,"FILE:%s\n",p);
1678 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1679 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1680 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1681 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1683 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1689 i=BIO_read(file,buf,bufsize);
1694 fprintf(stderr,"%d\n",i);
1695 if (total_bytes > 3*1024)
1698 fprintf(stderr,"RENEGOTIATE\n");
1699 SSL_renegotiate(con);
1706 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1708 k=BIO_write(io,&(buf[j]),i-j);
1711 if (!BIO_should_retry(io))
1715 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1732 i=(int)BIO_flush(io);
1735 if (!BIO_should_retry(io))
1743 /* make sure we re-use sessions */
1744 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1746 /* This kills performance */
1747 /* SSL_shutdown(con); A shutdown gets sent in the
1748 * BIO_free_all(io) procession */
1754 BIO_printf(bio_s_out,"ACCEPT\n");
1756 if (buf != NULL) OPENSSL_free(buf);
1757 if (io != NULL) BIO_free_all(io);
1758 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1762 #ifndef OPENSSL_NO_RSA
1763 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1765 static RSA *rsa_tmp=NULL;
1767 if (rsa_tmp == NULL)
1771 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1772 (void)BIO_flush(bio_err);
1774 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1777 BIO_printf(bio_err,"\n");
1778 (void)BIO_flush(bio_err);
1785 #define MAX_SESSION_ID_ATTEMPTS 10
1786 static int generate_session_id(const SSL *ssl, unsigned char *id,
1787 unsigned int *id_len)
1789 unsigned int count = 0;
1791 RAND_pseudo_bytes(id, *id_len);
1792 /* Prefix the session_id with the required prefix. NB: If our
1793 * prefix is too long, clip it - but there will be worse effects
1794 * anyway, eg. the server could only possibly create 1 session
1795 * ID (ie. the prefix!) so all future session negotiations will
1796 * fail due to conflicts. */
1797 memcpy(id, session_id_prefix,
1798 (strlen(session_id_prefix) < *id_len) ?
1799 strlen(session_id_prefix) : *id_len);
1801 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
1802 (++count < MAX_SESSION_ID_ATTEMPTS));
1803 if(count >= MAX_SESSION_ID_ATTEMPTS)