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.]
63 #include <sys/types.h>
65 #include <openssl/e_os2.h>
66 #ifdef OPENSSL_NO_STDIO
70 /* With IPv6, it looks like Digital has mixed up the proper order of
71 recursive header file inclusion, resulting in the compiler complaining
72 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
73 is needed to have fileno() declared correctly... So let's define u_int */
74 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
76 typedef unsigned int u_int;
79 #include <openssl/lhash.h>
80 #include <openssl/bn.h>
83 #include <openssl/err.h>
84 #include <openssl/pem.h>
85 #include <openssl/x509.h>
86 #include <openssl/ssl.h>
87 #include <openssl/engine.h>
90 #ifdef OPENSSL_SYS_WINDOWS
94 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
95 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
99 #ifndef OPENSSL_NO_RSA
100 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
102 static int sv_body(char *hostname, int s, unsigned char *context);
103 static int www_body(char *hostname, int s, unsigned char *context);
104 static void close_accept_socket(void );
105 static void sv_usage(void);
106 static int init_ssl_connection(SSL *s);
107 static void print_stats(BIO *bp,SSL_CTX *ctx);
108 static int generate_session_id(const SSL *ssl, unsigned char *id,
109 unsigned int *id_len);
110 #ifndef OPENSSL_NO_DH
111 static DH *load_dh_param(char *dhfile);
112 static DH *get_dh512(void);
115 static void s_server_init(void);
119 # if defined(_S_IFMT) && defined(_S_IFDIR)
120 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
122 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
126 #ifndef OPENSSL_NO_DH
127 static unsigned char dh512_p[]={
128 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
129 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
130 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
131 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
132 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
135 static unsigned char dh512_g[]={
139 static DH *get_dh512(void)
143 if ((dh=DH_new()) == NULL) return(NULL);
144 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
145 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
146 if ((dh->p == NULL) || (dh->g == NULL))
152 /* static int load_CA(SSL_CTX *ctx, char *file);*/
155 #define BUFSIZZ 16*1024
156 static int bufsize=BUFSIZZ;
157 static int accept_socket= -1;
159 #define TEST_CERT "server.pem"
161 #define PROG s_server_main
163 extern int verify_depth;
165 static char *cipher=NULL;
166 static int s_server_verify=SSL_VERIFY_NONE;
167 static int s_server_session_id_context = 1; /* anything will do */
168 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
169 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
173 static int s_nbio_test=0;
175 static SSL_CTX *ctx=NULL;
178 static BIO *bio_s_out=NULL;
179 static int s_debug=0;
180 static int s_quiet=0;
183 static char *engine_id=NULL;
184 static const char *session_id_prefix=NULL;
187 static void s_server_init(void)
191 s_server_verify=SSL_VERIFY_NONE;
194 s_cert_file=TEST_CERT;
211 static void sv_usage(void)
213 BIO_printf(bio_err,"usage: s_server [args ...]\n");
214 BIO_printf(bio_err,"\n");
215 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
216 BIO_printf(bio_err," -context arg - set session ID context\n");
217 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
218 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
219 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
220 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
221 BIO_printf(bio_err," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
222 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
223 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
224 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
225 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
226 BIO_printf(bio_err," or a default set of parameters is used\n");
228 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
230 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
231 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
232 BIO_printf(bio_err," -debug - Print more output\n");
233 BIO_printf(bio_err," -state - Print the SSL states\n");
234 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
235 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
236 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
237 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
238 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
239 BIO_printf(bio_err," -quiet - No server output\n");
240 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
241 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
242 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
243 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
244 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
245 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
246 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
247 #ifndef OPENSSL_NO_DH
248 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
250 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
251 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
252 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
253 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
254 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
255 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
258 static int local_argc=0;
259 static char **local_argv;
261 #ifdef CHARSET_EBCDIC
262 static int ebcdic_new(BIO *bi);
263 static int ebcdic_free(BIO *a);
264 static int ebcdic_read(BIO *b, char *out, int outl);
265 static int ebcdic_write(BIO *b, char *in, int inl);
266 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
267 static int ebcdic_gets(BIO *bp, char *buf, int size);
268 static int ebcdic_puts(BIO *bp, char *str);
270 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
271 static BIO_METHOD methods_ebcdic=
273 BIO_TYPE_EBCDIC_FILTER,
274 "EBCDIC/ASCII filter",
290 BIO_METHOD *BIO_f_ebcdic_filter()
292 return(&methods_ebcdic);
295 static int ebcdic_new(BIO *bi)
297 EBCDIC_OUTBUFF *wbuf;
299 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
300 wbuf->alloced = 1024;
301 wbuf->buff[0] = '\0';
303 bi->ptr=(char *)wbuf;
309 static int ebcdic_free(BIO *a)
311 if (a == NULL) return(0);
313 OPENSSL_free(a->ptr);
320 static int ebcdic_read(BIO *b, char *out, int outl)
324 if (out == NULL || outl == 0) return(0);
325 if (b->next_bio == NULL) return(0);
327 ret=BIO_read(b->next_bio,out,outl);
329 ascii2ebcdic(out,out,ret);
333 static int ebcdic_write(BIO *b, char *in, int inl)
335 EBCDIC_OUTBUFF *wbuf;
340 if ((in == NULL) || (inl <= 0)) return(0);
341 if (b->next_bio == NULL) return(0);
343 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
345 if (inl > (num = wbuf->alloced))
347 num = num + num; /* double the size */
351 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
354 wbuf->buff[0] = '\0';
359 ebcdic2ascii(wbuf->buff, in, inl);
361 ret=BIO_write(b->next_bio, wbuf->buff, inl);
366 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
370 if (b->next_bio == NULL) return(0);
377 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
383 static int ebcdic_gets(BIO *bp, char *buf, int size)
386 if (bp->next_bio == NULL) return(0);
387 /* return(BIO_gets(bp->next_bio,buf,size));*/
388 for (i=0; i<size-1; ++i)
390 ret = ebcdic_read(bp,&buf[i],1);
393 else if (buf[i] == '\n')
401 return (ret < 0 && i == 0) ? ret : i;
404 static int ebcdic_puts(BIO *bp, char *str)
406 if (bp->next_bio == NULL) return(0);
407 return ebcdic_write(bp, str, strlen(str));
411 int MAIN(int, char **);
413 int MAIN(int argc, char *argv[])
416 char *CApath=NULL,*CAfile=NULL;
417 char *context = NULL;
422 int no_tmp_rsa=0,no_dhe=0,nocert=0;
424 SSL_METHOD *meth=NULL;
428 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
429 meth=SSLv23_server_method();
430 #elif !defined(OPENSSL_NO_SSL3)
431 meth=SSLv3_server_method();
432 #elif !defined(OPENSSL_NO_SSL2)
433 meth=SSLv2_server_method();
445 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
458 if ((strcmp(*argv,"-port") == 0) ||
459 (strcmp(*argv,"-accept") == 0))
461 if (--argc < 1) goto bad;
462 if (!extract_port(*(++argv),&port))
465 else if (strcmp(*argv,"-verify") == 0)
467 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
468 if (--argc < 1) goto bad;
469 verify_depth=atoi(*(++argv));
470 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
472 else if (strcmp(*argv,"-Verify") == 0)
474 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
475 SSL_VERIFY_CLIENT_ONCE;
476 if (--argc < 1) goto bad;
477 verify_depth=atoi(*(++argv));
478 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
480 else if (strcmp(*argv,"-context") == 0)
482 if (--argc < 1) goto bad;
485 else if (strcmp(*argv,"-cert") == 0)
487 if (--argc < 1) goto bad;
488 s_cert_file= *(++argv);
490 else if (strcmp(*argv,"-key") == 0)
492 if (--argc < 1) goto bad;
493 s_key_file= *(++argv);
495 else if (strcmp(*argv,"-dhparam") == 0)
497 if (--argc < 1) goto bad;
500 else if (strcmp(*argv,"-dcert") == 0)
502 if (--argc < 1) goto bad;
503 s_dcert_file= *(++argv);
505 else if (strcmp(*argv,"-dkey") == 0)
507 if (--argc < 1) goto bad;
508 s_dkey_file= *(++argv);
510 else if (strcmp(*argv,"-nocert") == 0)
514 else if (strcmp(*argv,"-CApath") == 0)
516 if (--argc < 1) goto bad;
519 else if (strcmp(*argv,"-serverpref") == 0)
520 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
521 else if (strcmp(*argv,"-cipher") == 0)
523 if (--argc < 1) goto bad;
526 else if (strcmp(*argv,"-CAfile") == 0)
528 if (--argc < 1) goto bad;
532 else if (strcmp(*argv,"-nbio") == 0)
535 else if (strcmp(*argv,"-nbio_test") == 0)
542 else if (strcmp(*argv,"-debug") == 0)
544 else if (strcmp(*argv,"-hack") == 0)
546 else if (strcmp(*argv,"-state") == 0)
548 else if (strcmp(*argv,"-crlf") == 0)
550 else if (strcmp(*argv,"-quiet") == 0)
552 else if (strcmp(*argv,"-bugs") == 0)
554 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
556 else if (strcmp(*argv,"-no_dhe") == 0)
558 else if (strcmp(*argv,"-www") == 0)
560 else if (strcmp(*argv,"-WWW") == 0)
562 else if (strcmp(*argv,"-no_ssl2") == 0)
563 { off|=SSL_OP_NO_SSLv2; }
564 else if (strcmp(*argv,"-no_ssl3") == 0)
565 { off|=SSL_OP_NO_SSLv3; }
566 else if (strcmp(*argv,"-no_tls1") == 0)
567 { off|=SSL_OP_NO_TLSv1; }
568 #ifndef OPENSSL_NO_SSL2
569 else if (strcmp(*argv,"-ssl2") == 0)
570 { meth=SSLv2_server_method(); }
572 #ifndef OPENSSL_NO_SSL3
573 else if (strcmp(*argv,"-ssl3") == 0)
574 { meth=SSLv3_server_method(); }
576 #ifndef OPENSSL_NO_TLS1
577 else if (strcmp(*argv,"-tls1") == 0)
578 { meth=TLSv1_server_method(); }
580 else if (strcmp(*argv, "-id_prefix") == 0)
582 if (--argc < 1) goto bad;
583 session_id_prefix = *(++argv);
585 else if (strcmp(*argv,"-engine") == 0)
587 if (--argc < 1) goto bad;
588 engine_id= *(++argv);
590 else if (strcmp(*argv,"-rand") == 0)
592 if (--argc < 1) goto bad;
597 BIO_printf(bio_err,"unknown option %s\n",*argv);
611 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
614 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
617 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
618 app_RAND_load_files(inrand));
620 if (bio_s_out == NULL)
622 if (s_quiet && !s_debug)
624 bio_s_out=BIO_new(BIO_s_null());
628 if (bio_s_out == NULL)
629 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
633 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)
643 SSL_load_error_strings();
644 OpenSSL_add_ssl_algorithms();
646 if (engine_id != NULL)
648 if((e = ENGINE_by_id(engine_id)) == NULL)
650 BIO_printf(bio_err,"invalid engine\n");
651 ERR_print_errors(bio_err);
656 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
659 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
661 BIO_printf(bio_err,"can't use that engine\n");
662 ERR_print_errors(bio_err);
665 BIO_printf(bio_err,"engine \"%s\" set.\n", engine_id);
669 ctx=SSL_CTX_new(meth);
672 ERR_print_errors(bio_err);
675 if (session_id_prefix)
677 if(strlen(session_id_prefix) >= 32)
679 "warning: id_prefix is too long, only one new session will be possible\n");
680 else if(strlen(session_id_prefix) >= 16)
682 "warning: id_prefix is too long if you use SSLv2\n");
683 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
685 BIO_printf(bio_err,"error setting 'id_prefix'\n");
686 ERR_print_errors(bio_err);
689 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
691 SSL_CTX_set_quiet_shutdown(ctx,1);
692 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
693 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
694 SSL_CTX_set_options(ctx,off);
695 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
697 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
699 SSL_CTX_sess_set_cache_size(ctx,128);
702 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
706 if (s_cert_file == NULL)
708 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
713 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
714 (!SSL_CTX_set_default_verify_paths(ctx)))
716 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
717 ERR_print_errors(bio_err);
721 #ifndef OPENSSL_NO_DH
727 dh = load_dh_param(dhfile);
728 else if (s_cert_file)
729 dh = load_dh_param(s_cert_file);
733 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
737 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
740 (void)BIO_flush(bio_s_out);
742 SSL_CTX_set_tmp_dh(ctx,dh);
747 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
749 if (s_dcert_file != NULL)
751 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
755 #ifndef OPENSSL_NO_RSA
758 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
760 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
764 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
765 BIO_flush(bio_s_out);
767 rsa=RSA_generate_key(512,RSA_F4,NULL);
769 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
771 ERR_print_errors(bio_err);
775 BIO_printf(bio_s_out,"\n");
781 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
782 BIO_printf(bio_err,"error setting cipher list\n");
783 ERR_print_errors(bio_err);
786 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
787 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
788 sizeof s_server_session_id_context);
791 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
793 BIO_printf(bio_s_out,"ACCEPT\n");
795 do_server(port,&accept_socket,www_body, context);
797 do_server(port,&accept_socket,sv_body, context);
798 print_stats(bio_s_out,ctx);
801 if (ctx != NULL) SSL_CTX_free(ctx);
802 if (bio_s_out != NULL)
810 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
812 BIO_printf(bio,"%4ld items in the session cache\n",
813 SSL_CTX_sess_number(ssl_ctx));
814 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
815 SSL_CTX_sess_connect(ssl_ctx));
816 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
817 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
818 BIO_printf(bio,"%4d client connects that finished\n",
819 SSL_CTX_sess_connect_good(ssl_ctx));
820 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
821 SSL_CTX_sess_accept(ssl_ctx));
822 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
823 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
824 BIO_printf(bio,"%4d server accepts that finished\n",
825 SSL_CTX_sess_accept_good(ssl_ctx));
826 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
827 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
828 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
829 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
830 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
831 SSL_CTX_sess_cache_full(ssl_ctx),
832 SSL_CTX_sess_get_cache_size(ssl_ctx));
835 static int sv_body(char *hostname, int s, unsigned char *context)
844 #ifdef OPENSSL_SYS_WINDOWS
848 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
850 BIO_printf(bio_err,"out of memory\n");
859 BIO_printf(bio_err,"turning on non blocking io\n");
860 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
861 ERR_print_errors(bio_err);
867 #ifndef OPENSSL_NO_KRB5
868 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
870 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
871 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
873 #endif /* OPENSSL_NO_KRB5 */
875 SSL_set_session_id_context(con, context,
876 strlen((char *)context));
880 sbio=BIO_new_socket(s,BIO_NOCLOSE);
885 test=BIO_new(BIO_f_nbio_test());
886 sbio=BIO_push(test,sbio);
888 SSL_set_bio(con,sbio,sbio);
889 SSL_set_accept_state(con);
890 /* SSL_set_fd(con,s); */
895 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
896 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
902 int read_from_terminal;
903 int read_from_sslcon;
905 read_from_terminal = 0;
906 read_from_sslcon = SSL_pending(con);
908 if (!read_from_sslcon)
911 #ifndef OPENSSL_SYS_WINDOWS
912 FD_SET(fileno(stdin),&readfds);
915 /* Note: under VMS with SOCKETSHR the second parameter is
916 * currently of type (int *) whereas under other systems
917 * it is (void *) if you don't have a cast it will choke
918 * the compiler: if you do have a cast then you can either
919 * go for (int *) or (void *).
921 #ifdef OPENSSL_SYS_WINDOWS
922 /* Under Windows we can't select on stdin: only
923 * on sockets. As a workaround we timeout the select every
924 * second and check for any keypress. In a proper Windows
925 * application we wouldn't do this because it is inefficient.
929 i=select(width,(void *)&readfds,NULL,NULL,&tv);
930 if((i < 0) || (!i && !_kbhit() ) )continue;
932 read_from_terminal = 1;
934 i=select(width,(void *)&readfds,NULL,NULL,NULL);
935 if (i <= 0) continue;
936 if (FD_ISSET(fileno(stdin),&readfds))
937 read_from_terminal = 1;
939 if (FD_ISSET(s,&readfds))
940 read_from_sslcon = 1;
942 if (read_from_terminal)
948 i=read(fileno(stdin), buf, bufsize/2);
950 /* both loops are skipped when i <= 0 */
951 for (j = 0; j < i; j++)
954 for (j = i-1; j >= 0; j--)
956 buf[j+lf_num] = buf[j];
961 buf[j+lf_num] = '\r';
967 i=read(fileno(stdin),buf,bufsize);
970 if ((i <= 0) || (buf[0] == 'Q'))
972 BIO_printf(bio_s_out,"DONE\n");
974 close_accept_socket();
978 if ((i <= 0) || (buf[0] == 'q'))
980 BIO_printf(bio_s_out,"DONE\n");
982 /* close_accept_socket();
986 if ((buf[0] == 'r') &&
987 ((buf[1] == '\n') || (buf[1] == '\r')))
989 SSL_renegotiate(con);
990 i=SSL_do_handshake(con);
991 printf("SSL_do_handshake -> %d\n",i);
994 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
996 if ((buf[0] == 'R') &&
997 ((buf[1] == '\n') || (buf[1] == '\r')))
1000 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1001 SSL_renegotiate(con);
1002 i=SSL_do_handshake(con);
1003 printf("SSL_do_handshake -> %d\n",i);
1006 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1010 static char *str="Lets print some clear text\n";
1011 BIO_write(SSL_get_wbio(con),str,strlen(str));
1015 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1018 #ifdef CHARSET_EBCDIC
1019 ebcdic2ascii(buf,buf,i);
1024 /* should do a select for the write */
1026 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1028 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1029 switch (SSL_get_error(con,k))
1031 case SSL_ERROR_NONE:
1033 case SSL_ERROR_WANT_WRITE:
1034 case SSL_ERROR_WANT_READ:
1035 case SSL_ERROR_WANT_X509_LOOKUP:
1036 BIO_printf(bio_s_out,"Write BLOCK\n");
1038 case SSL_ERROR_SYSCALL:
1040 BIO_printf(bio_s_out,"ERROR\n");
1041 ERR_print_errors(bio_err);
1045 case SSL_ERROR_ZERO_RETURN:
1046 BIO_printf(bio_s_out,"DONE\n");
1055 if (read_from_sslcon)
1057 if (!SSL_is_init_finished(con))
1059 i=init_ssl_connection(con);
1075 i=SSL_read(con,(char *)buf,bufsize);
1076 switch (SSL_get_error(con,i))
1078 case SSL_ERROR_NONE:
1079 #ifdef CHARSET_EBCDIC
1080 ascii2ebcdic(buf,buf,i);
1082 write(fileno(stdout),buf,
1084 if (SSL_pending(con)) goto again;
1086 case SSL_ERROR_WANT_WRITE:
1087 case SSL_ERROR_WANT_READ:
1088 case SSL_ERROR_WANT_X509_LOOKUP:
1089 BIO_printf(bio_s_out,"Read BLOCK\n");
1091 case SSL_ERROR_SYSCALL:
1093 BIO_printf(bio_s_out,"ERROR\n");
1094 ERR_print_errors(bio_err);
1097 case SSL_ERROR_ZERO_RETURN:
1098 BIO_printf(bio_s_out,"DONE\n");
1106 BIO_printf(bio_s_out,"shutting down SSL\n");
1108 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1112 if (con != NULL) SSL_free(con);
1113 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1116 memset(buf,0,bufsize);
1120 BIO_printf(bio_s_out,"ACCEPT\n");
1124 static void close_accept_socket(void)
1126 BIO_printf(bio_err,"shutdown accept socket\n");
1127 if (accept_socket >= 0)
1129 SHUTDOWN2(accept_socket);
1133 static int init_ssl_connection(SSL *con)
1139 MS_STATIC char buf[BUFSIZ];
1141 if ((i=SSL_accept(con)) <= 0)
1143 if (BIO_sock_should_retry(i))
1145 BIO_printf(bio_s_out,"DELAY\n");
1149 BIO_printf(bio_err,"ERROR\n");
1150 verify_error=SSL_get_verify_result(con);
1151 if (verify_error != X509_V_OK)
1153 BIO_printf(bio_err,"verify error:%s\n",
1154 X509_verify_cert_error_string(verify_error));
1157 ERR_print_errors(bio_err);
1161 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1163 peer=SSL_get_peer_certificate(con);
1166 BIO_printf(bio_s_out,"Client certificate\n");
1167 PEM_write_bio_X509(bio_s_out,peer);
1168 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1169 BIO_printf(bio_s_out,"subject=%s\n",buf);
1170 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1171 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1175 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1176 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1177 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1178 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1179 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1180 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1181 TLS1_FLAGS_TLS_PADDING_BUG)
1182 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1187 #ifndef OPENSSL_NO_DH
1188 static DH *load_dh_param(char *dhfile)
1193 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1195 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1197 if (bio != NULL) BIO_free(bio);
1203 static int load_CA(SSL_CTX *ctx, char *file)
1208 if ((in=fopen(file,"r")) == NULL)
1213 if (PEM_read_X509(in,&x,NULL) == NULL)
1215 SSL_CTX_add_client_CA(ctx,x);
1217 if (x != NULL) X509_free(x);
1223 static int www_body(char *hostname, int s, unsigned char *context)
1227 int i,j,k,blank,dot;
1231 BIO *io,*ssl_bio,*sbio;
1234 buf=OPENSSL_malloc(bufsize);
1235 if (buf == NULL) return(0);
1236 io=BIO_new(BIO_f_buffer());
1237 ssl_bio=BIO_new(BIO_f_ssl());
1238 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1246 BIO_printf(bio_err,"turning on non blocking io\n");
1247 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1248 ERR_print_errors(bio_err);
1252 /* lets make the output buffer a reasonable size */
1253 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1255 if ((con=SSL_new(ctx)) == NULL) goto err;
1256 if(context) SSL_set_session_id_context(con, context,
1257 strlen((char *)context));
1259 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1264 test=BIO_new(BIO_f_nbio_test());
1265 sbio=BIO_push(test,sbio);
1267 SSL_set_bio(con,sbio,sbio);
1268 SSL_set_accept_state(con);
1270 /* SSL_set_fd(con,s); */
1271 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1272 BIO_push(io,ssl_bio);
1273 #ifdef CHARSET_EBCDIC
1274 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1280 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1281 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1291 switch (SSL_get_error(con,i))
1293 case SSL_ERROR_NONE:
1295 case SSL_ERROR_WANT_WRITE:
1296 case SSL_ERROR_WANT_READ:
1297 case SSL_ERROR_WANT_X509_LOOKUP:
1299 case SSL_ERROR_SYSCALL:
1301 case SSL_ERROR_ZERO_RETURN:
1307 SSL_renegotiate(con);
1308 SSL_write(con,NULL,0);
1311 i=BIO_gets(io,buf,bufsize-1);
1312 if (i < 0) /* error */
1314 if (!BIO_should_retry(io))
1317 ERR_print_errors(bio_err);
1322 BIO_printf(bio_s_out,"read R BLOCK\n");
1323 #ifndef OPENSSL_SYS_MSDOS
1329 else if (i == 0) /* end of input */
1335 /* else we have data */
1336 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1337 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1341 STACK_OF(SSL_CIPHER) *sk;
1342 static char *space=" ";
1344 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1345 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1346 BIO_puts(io,"<pre>\n");
1347 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1349 for (i=0; i<local_argc; i++)
1351 BIO_puts(io,local_argv[i]);
1352 BIO_write(io," ",1);
1356 /* The following is evil and should not really
1358 BIO_printf(io,"Ciphers supported in s_server binary\n");
1359 sk=SSL_get_ciphers(con);
1360 j=sk_SSL_CIPHER_num(sk);
1363 c=sk_SSL_CIPHER_value(sk,i);
1364 BIO_printf(io,"%-11s:%-25s",
1365 SSL_CIPHER_get_version(c),
1366 SSL_CIPHER_get_name(c));
1367 if ((((i+1)%2) == 0) && (i+1 != j))
1371 p=SSL_get_shared_ciphers(con,buf,bufsize);
1374 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1380 BIO_write(io,space,26-j);
1383 BIO_write(io,((i%3)?" ":"\n"),1);
1394 BIO_printf(io,((con->hit)
1397 c=SSL_get_current_cipher(con);
1398 BIO_printf(io,"%s, Cipher is %s\n",
1399 SSL_CIPHER_get_version(c),
1400 SSL_CIPHER_get_name(c));
1401 SSL_SESSION_print(io,SSL_get_session(con));
1402 BIO_printf(io,"---\n");
1403 print_stats(io,SSL_get_SSL_CTX(con));
1404 BIO_printf(io,"---\n");
1405 peer=SSL_get_peer_certificate(con);
1408 BIO_printf(io,"Client certificate\n");
1409 X509_print(io,peer);
1410 PEM_write_bio_X509(io,peer);
1413 BIO_puts(io,"no client certificate available\n");
1414 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1417 else if ((www == 2) && (strncmp("GET /",buf,5) == 0))
1421 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1426 for (e=p; *e != '\0'; e++)
1428 if (e[0] == ' ') break;
1429 if ( (e[0] == '.') &&
1430 (strncmp(&(e[-1]),"/../",4) == 0))
1438 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1446 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1453 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1457 /* append if a directory lookup */
1459 strcat(p,"index.html");
1461 /* if a directory, do the index thang */
1462 if (stat(p,&st_buf) < 0)
1465 BIO_printf(io,"Error accessing '%s'\r\n",p);
1466 ERR_print_errors(io);
1469 if (S_ISDIR(st_buf.st_mode))
1471 strcat(p,"/index.html");
1474 if ((file=BIO_new_file(p,"r")) == NULL)
1477 BIO_printf(io,"Error opening '%s'\r\n",p);
1478 ERR_print_errors(io);
1483 BIO_printf(bio_err,"FILE:%s\n",p);
1486 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1487 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1488 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1489 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1491 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1496 i=BIO_read(file,buf,bufsize);
1501 fprintf(stderr,"%d\n",i);
1502 if (total_bytes > 3*1024)
1505 fprintf(stderr,"RENEGOTIATE\n");
1506 SSL_renegotiate(con);
1513 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1515 k=BIO_write(io,&(buf[j]),i-j);
1518 if (!BIO_should_retry(io))
1522 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1539 i=(int)BIO_flush(io);
1542 if (!BIO_should_retry(io))
1550 /* make sure we re-use sessions */
1551 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1553 /* This kills performance */
1554 /* SSL_shutdown(con); A shutdown gets sent in the
1555 * BIO_free_all(io) procession */
1561 BIO_printf(bio_s_out,"ACCEPT\n");
1563 if (buf != NULL) OPENSSL_free(buf);
1564 if (io != NULL) BIO_free_all(io);
1565 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1569 #ifndef OPENSSL_NO_RSA
1570 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1572 static RSA *rsa_tmp=NULL;
1574 if (rsa_tmp == NULL)
1578 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1579 (void)BIO_flush(bio_err);
1581 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1584 BIO_printf(bio_err,"\n");
1585 (void)BIO_flush(bio_err);
1592 #define MAX_SESSION_ID_ATTEMPTS 10
1593 static int generate_session_id(const SSL *ssl, unsigned char *id,
1594 unsigned int *id_len)
1596 unsigned int count = 0;
1598 RAND_pseudo_bytes(id, *id_len);
1599 /* Prefix the session_id with the required prefix. NB: If our
1600 * prefix is too long, clip it - but there will be worse effects
1601 * anyway, eg. the server could only possibly create 1 session
1602 * ID (ie. the prefix!) so all future session negotiations will
1603 * fail due to conflicts. */
1604 memcpy(id, session_id_prefix,
1605 (strlen(session_id_prefix) < *id_len) ?
1606 strlen(session_id_prefix) : *id_len);
1608 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
1609 (++count < MAX_SESSION_ID_ATTEMPTS));
1610 if(count >= MAX_SESSION_ID_ATTEMPTS)