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.
121 #include <sys/types.h>
122 #include <sys/stat.h>
123 #include <openssl/e_os2.h>
124 #ifdef OPENSSL_NO_STDIO
128 /* With IPv6, it looks like Digital has mixed up the proper order of
129 recursive header file inclusion, resulting in the compiler complaining
130 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
131 is needed to have fileno() declared correctly... So let's define u_int */
132 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
134 typedef unsigned int u_int;
137 #include <openssl/lhash.h>
138 #include <openssl/bn.h>
141 #include <openssl/err.h>
142 #include <openssl/pem.h>
143 #include <openssl/x509.h>
144 #include <openssl/ssl.h>
145 #include <openssl/rand.h>
148 #ifdef OPENSSL_SYS_WINDOWS
152 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
153 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
157 #ifndef OPENSSL_NO_RSA
158 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
160 static int sv_body(char *hostname, int s, unsigned char *context);
161 static int www_body(char *hostname, int s, unsigned char *context);
162 static void close_accept_socket(void );
163 static void sv_usage(void);
164 static int init_ssl_connection(SSL *s);
165 static void print_stats(BIO *bp,SSL_CTX *ctx);
166 static int generate_session_id(const SSL *ssl, unsigned char *id,
167 unsigned int *id_len);
168 #ifndef OPENSSL_NO_DH
169 static DH *load_dh_param(char *dhfile);
170 static DH *get_dh512(void);
174 static void s_server_init(void);
178 # if defined(_S_IFMT) && defined(_S_IFDIR)
179 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
181 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
185 #ifndef OPENSSL_NO_DH
186 static unsigned char dh512_p[]={
187 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
188 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
189 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
190 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
191 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
194 static unsigned char dh512_g[]={
198 static DH *get_dh512(void)
202 if ((dh=DH_new()) == NULL) return(NULL);
203 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
204 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
205 if ((dh->p == NULL) || (dh->g == NULL))
212 /* static int load_CA(SSL_CTX *ctx, char *file);*/
215 #define BUFSIZZ 16*1024
216 static int bufsize=BUFSIZZ;
217 static int accept_socket= -1;
219 #define TEST_CERT "server.pem"
221 #define PROG s_server_main
223 extern int verify_depth;
225 static char *cipher=NULL;
226 static int s_server_verify=SSL_VERIFY_NONE;
227 static int s_server_session_id_context = 1; /* anything will do */
228 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
229 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
233 static int s_nbio_test=0;
235 static SSL_CTX *ctx=NULL;
238 static BIO *bio_s_out=NULL;
239 static int s_debug=0;
241 static int s_quiet=0;
244 static char *engine_id=NULL;
245 static const char *session_id_prefix=NULL;
248 static void s_server_init(void)
252 s_server_verify=SSL_VERIFY_NONE;
255 s_cert_file=TEST_CERT;
273 static void sv_usage(void)
275 BIO_printf(bio_err,"usage: s_server [args ...]\n");
276 BIO_printf(bio_err,"\n");
277 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
278 BIO_printf(bio_err," -context arg - set session ID context\n");
279 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
280 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
281 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
282 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
283 BIO_printf(bio_err," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
284 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
285 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
286 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
287 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
288 BIO_printf(bio_err," or a default set of parameters is used\n");
289 #ifndef OPENSSL_NO_ECDH
290 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
291 " Use \"openssl ecparam -list_curves\" for all names\n" \
292 " (default is sect163r2).\n");
295 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
297 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
298 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
299 BIO_printf(bio_err," -debug - Print more output\n");
300 BIO_printf(bio_err," -msg - Show protocol messages\n");
301 BIO_printf(bio_err," -state - Print the SSL states\n");
302 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
303 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
304 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
305 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
306 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
307 BIO_printf(bio_err," -quiet - No server output\n");
308 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
309 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
310 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
311 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
312 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
313 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
314 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
315 #ifndef OPENSSL_NO_DH
316 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
318 #ifndef OPENSSL_NO_ECDH
319 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
321 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
322 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
323 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
324 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
325 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
326 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
327 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
328 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
331 static int local_argc=0;
332 static char **local_argv;
334 #ifdef CHARSET_EBCDIC
335 static int ebcdic_new(BIO *bi);
336 static int ebcdic_free(BIO *a);
337 static int ebcdic_read(BIO *b, char *out, int outl);
338 static int ebcdic_write(BIO *b, char *in, int inl);
339 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
340 static int ebcdic_gets(BIO *bp, char *buf, int size);
341 static int ebcdic_puts(BIO *bp, char *str);
343 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
344 static BIO_METHOD methods_ebcdic=
346 BIO_TYPE_EBCDIC_FILTER,
347 "EBCDIC/ASCII filter",
363 BIO_METHOD *BIO_f_ebcdic_filter()
365 return(&methods_ebcdic);
368 static int ebcdic_new(BIO *bi)
370 EBCDIC_OUTBUFF *wbuf;
372 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
373 wbuf->alloced = 1024;
374 wbuf->buff[0] = '\0';
376 bi->ptr=(char *)wbuf;
382 static int ebcdic_free(BIO *a)
384 if (a == NULL) return(0);
386 OPENSSL_free(a->ptr);
393 static int ebcdic_read(BIO *b, char *out, int outl)
397 if (out == NULL || outl == 0) return(0);
398 if (b->next_bio == NULL) return(0);
400 ret=BIO_read(b->next_bio,out,outl);
402 ascii2ebcdic(out,out,ret);
406 static int ebcdic_write(BIO *b, char *in, int inl)
408 EBCDIC_OUTBUFF *wbuf;
413 if ((in == NULL) || (inl <= 0)) return(0);
414 if (b->next_bio == NULL) return(0);
416 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
418 if (inl > (num = wbuf->alloced))
420 num = num + num; /* double the size */
424 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
427 wbuf->buff[0] = '\0';
432 ebcdic2ascii(wbuf->buff, in, inl);
434 ret=BIO_write(b->next_bio, wbuf->buff, inl);
439 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
443 if (b->next_bio == NULL) return(0);
450 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
456 static int ebcdic_gets(BIO *bp, char *buf, int size)
459 if (bp->next_bio == NULL) return(0);
460 /* return(BIO_gets(bp->next_bio,buf,size));*/
461 for (i=0; i<size-1; ++i)
463 ret = ebcdic_read(bp,&buf[i],1);
466 else if (buf[i] == '\n')
474 return (ret < 0 && i == 0) ? ret : i;
477 static int ebcdic_puts(BIO *bp, char *str)
479 if (bp->next_bio == NULL) return(0);
480 return ebcdic_write(bp, str, strlen(str));
484 int MAIN(int, char **);
486 int MAIN(int argc, char *argv[])
488 X509_STORE *store = NULL;
491 char *CApath=NULL,*CAfile=NULL;
492 char *context = NULL;
494 char *named_curve = NULL;
498 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
500 SSL_METHOD *meth=NULL;
504 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
505 meth=SSLv23_server_method();
506 #elif !defined(OPENSSL_NO_SSL3)
507 meth=SSLv3_server_method();
508 #elif !defined(OPENSSL_NO_SSL2)
509 meth=SSLv2_server_method();
521 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
523 if (!load_config(bio_err, NULL))
537 if ((strcmp(*argv,"-port") == 0) ||
538 (strcmp(*argv,"-accept") == 0))
540 if (--argc < 1) goto bad;
541 if (!extract_port(*(++argv),&port))
544 else if (strcmp(*argv,"-verify") == 0)
546 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
547 if (--argc < 1) goto bad;
548 verify_depth=atoi(*(++argv));
549 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
551 else if (strcmp(*argv,"-Verify") == 0)
553 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
554 SSL_VERIFY_CLIENT_ONCE;
555 if (--argc < 1) goto bad;
556 verify_depth=atoi(*(++argv));
557 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
559 else if (strcmp(*argv,"-context") == 0)
561 if (--argc < 1) goto bad;
564 else if (strcmp(*argv,"-cert") == 0)
566 if (--argc < 1) goto bad;
567 s_cert_file= *(++argv);
569 else if (strcmp(*argv,"-key") == 0)
571 if (--argc < 1) goto bad;
572 s_key_file= *(++argv);
574 else if (strcmp(*argv,"-dhparam") == 0)
576 if (--argc < 1) goto bad;
579 #ifndef OPENSSL_NO_ECDH
580 else if (strcmp(*argv,"-named_curve") == 0)
582 if (--argc < 1) goto bad;
583 named_curve = *(++argv);
586 else if (strcmp(*argv,"-dcert") == 0)
588 if (--argc < 1) goto bad;
589 s_dcert_file= *(++argv);
591 else if (strcmp(*argv,"-dkey") == 0)
593 if (--argc < 1) goto bad;
594 s_dkey_file= *(++argv);
596 else if (strcmp(*argv,"-nocert") == 0)
600 else if (strcmp(*argv,"-CApath") == 0)
602 if (--argc < 1) goto bad;
605 else if (strcmp(*argv,"-crl_check") == 0)
607 vflags |= X509_V_FLAG_CRL_CHECK;
609 else if (strcmp(*argv,"-crl_check") == 0)
611 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
613 else if (strcmp(*argv,"-serverpref") == 0)
614 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
615 else if (strcmp(*argv,"-cipher") == 0)
617 if (--argc < 1) goto bad;
620 else if (strcmp(*argv,"-CAfile") == 0)
622 if (--argc < 1) goto bad;
626 else if (strcmp(*argv,"-nbio") == 0)
629 else if (strcmp(*argv,"-nbio_test") == 0)
636 else if (strcmp(*argv,"-debug") == 0)
638 else if (strcmp(*argv,"-msg") == 0)
640 else if (strcmp(*argv,"-hack") == 0)
642 else if (strcmp(*argv,"-state") == 0)
644 else if (strcmp(*argv,"-crlf") == 0)
646 else if (strcmp(*argv,"-quiet") == 0)
648 else if (strcmp(*argv,"-bugs") == 0)
650 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
652 else if (strcmp(*argv,"-no_dhe") == 0)
654 else if (strcmp(*argv,"-no_ecdhe") == 0)
656 else if (strcmp(*argv,"-www") == 0)
658 else if (strcmp(*argv,"-WWW") == 0)
660 else if (strcmp(*argv,"-HTTP") == 0)
662 else if (strcmp(*argv,"-no_ssl2") == 0)
663 { off|=SSL_OP_NO_SSLv2; }
664 else if (strcmp(*argv,"-no_ssl3") == 0)
665 { off|=SSL_OP_NO_SSLv3; }
666 else if (strcmp(*argv,"-no_tls1") == 0)
667 { off|=SSL_OP_NO_TLSv1; }
668 #ifndef OPENSSL_NO_SSL2
669 else if (strcmp(*argv,"-ssl2") == 0)
670 { meth=SSLv2_server_method(); }
672 #ifndef OPENSSL_NO_SSL3
673 else if (strcmp(*argv,"-ssl3") == 0)
674 { meth=SSLv3_server_method(); }
676 #ifndef OPENSSL_NO_TLS1
677 else if (strcmp(*argv,"-tls1") == 0)
678 { meth=TLSv1_server_method(); }
680 else if (strcmp(*argv, "-id_prefix") == 0)
682 if (--argc < 1) goto bad;
683 session_id_prefix = *(++argv);
685 else if (strcmp(*argv,"-engine") == 0)
687 if (--argc < 1) goto bad;
688 engine_id= *(++argv);
690 else if (strcmp(*argv,"-rand") == 0)
692 if (--argc < 1) goto bad;
697 BIO_printf(bio_err,"unknown option %s\n",*argv);
711 SSL_load_error_strings();
712 OpenSSL_add_ssl_algorithms();
714 e = setup_engine(bio_err, engine_id, 1);
716 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
719 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
722 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
723 app_RAND_load_files(inrand));
725 if (bio_s_out == NULL)
727 if (s_quiet && !s_debug && !s_msg)
729 bio_s_out=BIO_new(BIO_s_null());
733 if (bio_s_out == NULL)
734 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
738 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
748 ctx=SSL_CTX_new(meth);
751 ERR_print_errors(bio_err);
754 if (session_id_prefix)
756 if(strlen(session_id_prefix) >= 32)
758 "warning: id_prefix is too long, only one new session will be possible\n");
759 else if(strlen(session_id_prefix) >= 16)
761 "warning: id_prefix is too long if you use SSLv2\n");
762 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
764 BIO_printf(bio_err,"error setting 'id_prefix'\n");
765 ERR_print_errors(bio_err);
768 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
770 SSL_CTX_set_quiet_shutdown(ctx,1);
771 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
772 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
773 SSL_CTX_set_options(ctx,off);
775 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
777 SSL_CTX_sess_set_cache_size(ctx,128);
780 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
784 if (s_cert_file == NULL)
786 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
791 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
792 (!SSL_CTX_set_default_verify_paths(ctx)))
794 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
795 ERR_print_errors(bio_err);
798 store = SSL_CTX_get_cert_store(ctx);
799 X509_STORE_set_flags(store, vflags);
801 #ifndef OPENSSL_NO_DH
807 dh = load_dh_param(dhfile);
808 else if (s_cert_file)
809 dh = load_dh_param(s_cert_file);
813 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
817 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
820 (void)BIO_flush(bio_s_out);
822 SSL_CTX_set_tmp_dh(ctx,dh);
827 #ifndef OPENSSL_NO_ECDH
835 BIO_printf(bio_err,"Could not create ECDH struct.\n");
841 int nid = OBJ_sn2nid(named_curve);
845 BIO_printf(bio_err, "unknown curve name (%s)\n",
850 ecdh->group = EC_GROUP_new_by_nid(nid);
851 if (ecdh->group == NULL)
853 BIO_printf(bio_err, "unable to create curve (%s)\n",
859 if (ecdh->group != NULL)
861 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
865 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
866 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
867 if (ecdh->group == NULL)
869 BIO_printf(bio_err, "unable to create curve (sect163r2)\n");
873 (void)BIO_flush(bio_s_out);
875 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
880 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
882 if (s_dcert_file != NULL)
884 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
888 #ifndef OPENSSL_NO_RSA
891 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
893 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
897 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
898 BIO_flush(bio_s_out);
900 rsa=RSA_generate_key(512,RSA_F4,NULL);
902 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
904 ERR_print_errors(bio_err);
908 BIO_printf(bio_s_out,"\n");
914 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
915 BIO_printf(bio_err,"error setting cipher list\n");
916 ERR_print_errors(bio_err);
919 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
920 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
921 sizeof s_server_session_id_context);
924 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
926 BIO_printf(bio_s_out,"ACCEPT\n");
928 do_server(port,&accept_socket,www_body, context);
930 do_server(port,&accept_socket,sv_body, context);
931 print_stats(bio_s_out,ctx);
934 if (ctx != NULL) SSL_CTX_free(ctx);
935 if (bio_s_out != NULL)
944 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
946 BIO_printf(bio,"%4ld items in the session cache\n",
947 SSL_CTX_sess_number(ssl_ctx));
948 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
949 SSL_CTX_sess_connect(ssl_ctx));
950 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
951 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
952 BIO_printf(bio,"%4d client connects that finished\n",
953 SSL_CTX_sess_connect_good(ssl_ctx));
954 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
955 SSL_CTX_sess_accept(ssl_ctx));
956 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
957 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
958 BIO_printf(bio,"%4d server accepts that finished\n",
959 SSL_CTX_sess_accept_good(ssl_ctx));
960 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
961 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
962 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
963 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
964 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
965 SSL_CTX_sess_cache_full(ssl_ctx),
966 SSL_CTX_sess_get_cache_size(ssl_ctx));
969 static int sv_body(char *hostname, int s, unsigned char *context)
978 #ifdef OPENSSL_SYS_WINDOWS
982 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
984 BIO_printf(bio_err,"out of memory\n");
993 BIO_printf(bio_err,"turning on non blocking io\n");
994 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
995 ERR_print_errors(bio_err);
1001 #ifndef OPENSSL_NO_KRB5
1002 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1004 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1006 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1009 #endif /* OPENSSL_NO_KRB5 */
1011 SSL_set_session_id_context(con, context,
1012 strlen((char *)context));
1016 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1021 test=BIO_new(BIO_f_nbio_test());
1022 sbio=BIO_push(test,sbio);
1024 SSL_set_bio(con,sbio,sbio);
1025 SSL_set_accept_state(con);
1026 /* SSL_set_fd(con,s); */
1031 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1032 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1036 SSL_set_msg_callback(con, msg_cb);
1037 SSL_set_msg_callback_arg(con, bio_s_out);
1043 int read_from_terminal;
1044 int read_from_sslcon;
1046 read_from_terminal = 0;
1047 read_from_sslcon = SSL_pending(con);
1049 if (!read_from_sslcon)
1052 #ifndef OPENSSL_SYS_WINDOWS
1053 FD_SET(fileno(stdin),&readfds);
1056 /* Note: under VMS with SOCKETSHR the second parameter is
1057 * currently of type (int *) whereas under other systems
1058 * it is (void *) if you don't have a cast it will choke
1059 * the compiler: if you do have a cast then you can either
1060 * go for (int *) or (void *).
1062 #ifdef OPENSSL_SYS_WINDOWS
1063 /* Under Windows we can't select on stdin: only
1064 * on sockets. As a workaround we timeout the select every
1065 * second and check for any keypress. In a proper Windows
1066 * application we wouldn't do this because it is inefficient.
1070 i=select(width,(void *)&readfds,NULL,NULL,&tv);
1071 if((i < 0) || (!i && !_kbhit() ) )continue;
1073 read_from_terminal = 1;
1075 i=select(width,(void *)&readfds,NULL,NULL,NULL);
1076 if (i <= 0) continue;
1077 if (FD_ISSET(fileno(stdin),&readfds))
1078 read_from_terminal = 1;
1080 if (FD_ISSET(s,&readfds))
1081 read_from_sslcon = 1;
1083 if (read_from_terminal)
1089 i=read(fileno(stdin), buf, bufsize/2);
1091 /* both loops are skipped when i <= 0 */
1092 for (j = 0; j < i; j++)
1095 for (j = i-1; j >= 0; j--)
1097 buf[j+lf_num] = buf[j];
1102 buf[j+lf_num] = '\r';
1105 assert(lf_num == 0);
1108 i=read(fileno(stdin),buf,bufsize);
1111 if ((i <= 0) || (buf[0] == 'Q'))
1113 BIO_printf(bio_s_out,"DONE\n");
1115 close_accept_socket();
1119 if ((i <= 0) || (buf[0] == 'q'))
1121 BIO_printf(bio_s_out,"DONE\n");
1123 /* close_accept_socket();
1127 if ((buf[0] == 'r') &&
1128 ((buf[1] == '\n') || (buf[1] == '\r')))
1130 SSL_renegotiate(con);
1131 i=SSL_do_handshake(con);
1132 printf("SSL_do_handshake -> %d\n",i);
1135 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
1137 if ((buf[0] == 'R') &&
1138 ((buf[1] == '\n') || (buf[1] == '\r')))
1141 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1142 SSL_renegotiate(con);
1143 i=SSL_do_handshake(con);
1144 printf("SSL_do_handshake -> %d\n",i);
1147 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1151 static char *str="Lets print some clear text\n";
1152 BIO_write(SSL_get_wbio(con),str,strlen(str));
1156 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1159 #ifdef CHARSET_EBCDIC
1160 ebcdic2ascii(buf,buf,i);
1165 /* should do a select for the write */
1167 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1169 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1170 switch (SSL_get_error(con,k))
1172 case SSL_ERROR_NONE:
1174 case SSL_ERROR_WANT_WRITE:
1175 case SSL_ERROR_WANT_READ:
1176 case SSL_ERROR_WANT_X509_LOOKUP:
1177 BIO_printf(bio_s_out,"Write BLOCK\n");
1179 case SSL_ERROR_SYSCALL:
1181 BIO_printf(bio_s_out,"ERROR\n");
1182 ERR_print_errors(bio_err);
1186 case SSL_ERROR_ZERO_RETURN:
1187 BIO_printf(bio_s_out,"DONE\n");
1196 if (read_from_sslcon)
1198 if (!SSL_is_init_finished(con))
1200 i=init_ssl_connection(con);
1216 i=SSL_read(con,(char *)buf,bufsize);
1217 switch (SSL_get_error(con,i))
1219 case SSL_ERROR_NONE:
1220 #ifdef CHARSET_EBCDIC
1221 ascii2ebcdic(buf,buf,i);
1223 write(fileno(stdout),buf,
1225 if (SSL_pending(con)) goto again;
1227 case SSL_ERROR_WANT_WRITE:
1228 case SSL_ERROR_WANT_READ:
1229 case SSL_ERROR_WANT_X509_LOOKUP:
1230 BIO_printf(bio_s_out,"Read BLOCK\n");
1232 case SSL_ERROR_SYSCALL:
1234 BIO_printf(bio_s_out,"ERROR\n");
1235 ERR_print_errors(bio_err);
1238 case SSL_ERROR_ZERO_RETURN:
1239 BIO_printf(bio_s_out,"DONE\n");
1247 BIO_printf(bio_s_out,"shutting down SSL\n");
1249 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1253 if (con != NULL) SSL_free(con);
1254 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1257 memset(buf,0,bufsize);
1261 BIO_printf(bio_s_out,"ACCEPT\n");
1265 static void close_accept_socket(void)
1267 BIO_printf(bio_err,"shutdown accept socket\n");
1268 if (accept_socket >= 0)
1270 SHUTDOWN2(accept_socket);
1274 static int init_ssl_connection(SSL *con)
1280 MS_STATIC char buf[BUFSIZ];
1282 if ((i=SSL_accept(con)) <= 0)
1284 if (BIO_sock_should_retry(i))
1286 BIO_printf(bio_s_out,"DELAY\n");
1290 BIO_printf(bio_err,"ERROR\n");
1291 verify_error=SSL_get_verify_result(con);
1292 if (verify_error != X509_V_OK)
1294 BIO_printf(bio_err,"verify error:%s\n",
1295 X509_verify_cert_error_string(verify_error));
1298 ERR_print_errors(bio_err);
1302 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1304 peer=SSL_get_peer_certificate(con);
1307 BIO_printf(bio_s_out,"Client certificate\n");
1308 PEM_write_bio_X509(bio_s_out,peer);
1309 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1310 BIO_printf(bio_s_out,"subject=%s\n",buf);
1311 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1312 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1316 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1317 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1318 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1319 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1320 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1321 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1322 TLS1_FLAGS_TLS_PADDING_BUG)
1323 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1328 #ifndef OPENSSL_NO_DH
1329 static DH *load_dh_param(char *dhfile)
1334 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1336 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1338 if (bio != NULL) BIO_free(bio);
1344 static int load_CA(SSL_CTX *ctx, char *file)
1349 if ((in=fopen(file,"r")) == NULL)
1354 if (PEM_read_X509(in,&x,NULL) == NULL)
1356 SSL_CTX_add_client_CA(ctx,x);
1358 if (x != NULL) X509_free(x);
1364 static int www_body(char *hostname, int s, unsigned char *context)
1368 int i,j,k,blank,dot;
1372 BIO *io,*ssl_bio,*sbio;
1375 buf=OPENSSL_malloc(bufsize);
1376 if (buf == NULL) return(0);
1377 io=BIO_new(BIO_f_buffer());
1378 ssl_bio=BIO_new(BIO_f_ssl());
1379 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1387 BIO_printf(bio_err,"turning on non blocking io\n");
1388 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1389 ERR_print_errors(bio_err);
1393 /* lets make the output buffer a reasonable size */
1394 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1396 if ((con=SSL_new(ctx)) == NULL) goto err;
1397 #ifndef OPENSSL_NO_KRB5
1398 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1400 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
1401 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
1403 #endif /* OPENSSL_NO_KRB5 */
1404 if(context) SSL_set_session_id_context(con, context,
1405 strlen((char *)context));
1407 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1412 test=BIO_new(BIO_f_nbio_test());
1413 sbio=BIO_push(test,sbio);
1415 SSL_set_bio(con,sbio,sbio);
1416 SSL_set_accept_state(con);
1418 /* SSL_set_fd(con,s); */
1419 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1420 BIO_push(io,ssl_bio);
1421 #ifdef CHARSET_EBCDIC
1422 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1428 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1429 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1433 SSL_set_msg_callback(con, msg_cb);
1434 SSL_set_msg_callback_arg(con, bio_s_out);
1444 switch (SSL_get_error(con,i))
1446 case SSL_ERROR_NONE:
1448 case SSL_ERROR_WANT_WRITE:
1449 case SSL_ERROR_WANT_READ:
1450 case SSL_ERROR_WANT_X509_LOOKUP:
1452 case SSL_ERROR_SYSCALL:
1454 case SSL_ERROR_ZERO_RETURN:
1460 SSL_renegotiate(con);
1461 SSL_write(con,NULL,0);
1464 i=BIO_gets(io,buf,bufsize-1);
1465 if (i < 0) /* error */
1467 if (!BIO_should_retry(io))
1470 ERR_print_errors(bio_err);
1475 BIO_printf(bio_s_out,"read R BLOCK\n");
1476 #ifndef OPENSSL_SYS_MSDOS
1482 else if (i == 0) /* end of input */
1488 /* else we have data */
1489 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1490 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1494 STACK_OF(SSL_CIPHER) *sk;
1495 static char *space=" ";
1497 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1498 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1499 BIO_puts(io,"<pre>\n");
1500 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1502 for (i=0; i<local_argc; i++)
1504 BIO_puts(io,local_argv[i]);
1505 BIO_write(io," ",1);
1509 /* The following is evil and should not really
1511 BIO_printf(io,"Ciphers supported in s_server binary\n");
1512 sk=SSL_get_ciphers(con);
1513 j=sk_SSL_CIPHER_num(sk);
1516 c=sk_SSL_CIPHER_value(sk,i);
1517 BIO_printf(io,"%-11s:%-25s",
1518 SSL_CIPHER_get_version(c),
1519 SSL_CIPHER_get_name(c));
1520 if ((((i+1)%2) == 0) && (i+1 != j))
1524 p=SSL_get_shared_ciphers(con,buf,bufsize);
1527 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1533 BIO_write(io,space,26-j);
1536 BIO_write(io,((i%3)?" ":"\n"),1);
1547 BIO_printf(io,((con->hit)
1550 c=SSL_get_current_cipher(con);
1551 BIO_printf(io,"%s, Cipher is %s\n",
1552 SSL_CIPHER_get_version(c),
1553 SSL_CIPHER_get_name(c));
1554 SSL_SESSION_print(io,SSL_get_session(con));
1555 BIO_printf(io,"---\n");
1556 print_stats(io,SSL_get_SSL_CTX(con));
1557 BIO_printf(io,"---\n");
1558 peer=SSL_get_peer_certificate(con);
1561 BIO_printf(io,"Client certificate\n");
1562 X509_print(io,peer);
1563 PEM_write_bio_X509(io,peer);
1566 BIO_puts(io,"no client certificate available\n");
1567 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1570 else if ((www == 2 || www == 3)
1571 && (strncmp("GET /",buf,5) == 0))
1575 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1581 for (e=p; *e != '\0'; e++)
1589 dot = (e[0] == '.') ? 2 : 0;
1592 dot = (e[0] == '.') ? 3 : 0;
1595 dot = (e[0] == '/') ? -1 : 0;
1599 dot = (e[0] == '/') ? 1 : 0;
1601 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
1606 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1614 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1621 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1626 /* append if a directory lookup */
1628 strcat(p,"index.html");
1631 /* if a directory, do the index thang */
1632 if (stat(p,&st_buf) < 0)
1635 BIO_printf(io,"Error accessing '%s'\r\n",p);
1636 ERR_print_errors(io);
1639 if (S_ISDIR(st_buf.st_mode))
1641 #if 0 /* must check buffer size */
1642 strcat(p,"/index.html");
1645 BIO_printf(io,"'%s' is a directory\r\n",p);
1650 if ((file=BIO_new_file(p,"r")) == NULL)
1653 BIO_printf(io,"Error opening '%s'\r\n",p);
1654 ERR_print_errors(io);
1659 BIO_printf(bio_err,"FILE:%s\n",p);
1664 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1665 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1666 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1667 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1669 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1675 i=BIO_read(file,buf,bufsize);
1680 fprintf(stderr,"%d\n",i);
1681 if (total_bytes > 3*1024)
1684 fprintf(stderr,"RENEGOTIATE\n");
1685 SSL_renegotiate(con);
1692 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1694 k=BIO_write(io,&(buf[j]),i-j);
1697 if (!BIO_should_retry(io))
1701 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1718 i=(int)BIO_flush(io);
1721 if (!BIO_should_retry(io))
1729 /* make sure we re-use sessions */
1730 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1732 /* This kills performance */
1733 /* SSL_shutdown(con); A shutdown gets sent in the
1734 * BIO_free_all(io) procession */
1740 BIO_printf(bio_s_out,"ACCEPT\n");
1742 if (buf != NULL) OPENSSL_free(buf);
1743 if (io != NULL) BIO_free_all(io);
1744 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1748 #ifndef OPENSSL_NO_RSA
1749 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1751 static RSA *rsa_tmp=NULL;
1753 if (rsa_tmp == NULL)
1757 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1758 (void)BIO_flush(bio_err);
1760 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1763 BIO_printf(bio_err,"\n");
1764 (void)BIO_flush(bio_err);
1771 #define MAX_SESSION_ID_ATTEMPTS 10
1772 static int generate_session_id(const SSL *ssl, unsigned char *id,
1773 unsigned int *id_len)
1775 unsigned int count = 0;
1777 RAND_pseudo_bytes(id, *id_len);
1778 /* Prefix the session_id with the required prefix. NB: If our
1779 * prefix is too long, clip it - but there will be worse effects
1780 * anyway, eg. the server could only possibly create 1 session
1781 * ID (ie. the prefix!) so all future session negotiations will
1782 * fail due to conflicts. */
1783 memcpy(id, session_id_prefix,
1784 (strlen(session_id_prefix) < *id_len) ?
1785 strlen(session_id_prefix) : *id_len);
1787 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
1788 (++count < MAX_SESSION_ID_ATTEMPTS));
1789 if(count >= MAX_SESSION_ID_ATTEMPTS)