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>
69 /* With IPv6, it looks like Digital has mixed up the proper order of
70 recursive header file inclusion, resulting in the compiler complaining
71 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
72 is needed to have fileno() declared correctly... So let's define u_int */
73 #if defined(VMS) && defined(__DECC) && !defined(__U_INT)
75 typedef unsigned int u_int
;
78 #include <openssl/lhash.h>
79 #include <openssl/bn.h>
82 #include <openssl/err.h>
83 #include <openssl/pem.h>
84 #include <openssl/x509.h>
85 #include <openssl/ssl.h>
92 #if (defined(VMS) && __VMS_VER < 70000000)
93 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
98 static RSA MS_CALLBACK
*tmp_rsa_cb(SSL
*s
, int is_export
, int keylength
);
100 static int sv_body(char *hostname
, int s
, unsigned char *context
);
101 static int www_body(char *hostname
, int s
, unsigned char *context
);
102 static void close_accept_socket(void );
103 static void sv_usage(void);
104 static int init_ssl_connection(SSL
*s
);
105 static void print_stats(BIO
*bp
,SSL_CTX
*ctx
);
107 static DH
*load_dh_param(char *dhfile
);
108 static DH
*get_dh512(void);
111 static void s_server_init(void);
115 # if defined(_S_IFMT) && defined(_S_IFDIR)
116 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
118 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
123 static unsigned char dh512_p
[]={
124 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
125 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
126 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
127 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
128 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
131 static unsigned char dh512_g
[]={
135 static DH
*get_dh512(void)
139 if ((dh
=DH_new()) == NULL
) return(NULL
);
140 dh
->p
=BN_bin2bn(dh512_p
,sizeof(dh512_p
),NULL
);
141 dh
->g
=BN_bin2bn(dh512_g
,sizeof(dh512_g
),NULL
);
142 if ((dh
->p
== NULL
) || (dh
->g
== NULL
))
148 /* static int load_CA(SSL_CTX *ctx, char *file);*/
151 #define BUFSIZZ 16*1024
152 static int bufsize
=BUFSIZZ
;
153 static int accept_socket
= -1;
155 #define TEST_CERT "server.pem"
157 #define PROG s_server_main
159 extern int verify_depth
;
161 static char *cipher
=NULL
;
162 static int s_server_verify
=SSL_VERIFY_NONE
;
163 static int s_server_session_id_context
= 1; /* anything will do */
164 static char *s_cert_file
=TEST_CERT
,*s_key_file
=NULL
;
165 static char *s_dcert_file
=NULL
,*s_dkey_file
=NULL
;
169 static int s_nbio_test
=0;
171 static SSL_CTX
*ctx
=NULL
;
174 static BIO
*bio_s_out
=NULL
;
175 static int s_debug
=0;
176 static int s_quiet
=0;
181 static void s_server_init(void)
185 s_server_verify
=SSL_VERIFY_NONE
;
188 s_cert_file
=TEST_CERT
;
204 static void sv_usage(void)
206 BIO_printf(bio_err
,"usage: s_server [args ...]\n");
207 BIO_printf(bio_err
,"\n");
208 BIO_printf(bio_err
," -accept arg - port to accept on (default is %d)\n",PORT
);
209 BIO_printf(bio_err
," -context arg - set session ID context\n");
210 BIO_printf(bio_err
," -verify arg - turn on peer certificate verification\n");
211 BIO_printf(bio_err
," -Verify arg - turn on peer certificate verification, must have a cert.\n");
212 BIO_printf(bio_err
," -cert arg - certificate file to use, PEM format assumed\n");
213 BIO_printf(bio_err
," (default is %s)\n",TEST_CERT
);
214 BIO_printf(bio_err
," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
215 BIO_printf(bio_err
," not specified (default is %s)\n",TEST_CERT
);
216 BIO_printf(bio_err
," -dcert arg - second certificate file to use (usually for DSA)\n");
217 BIO_printf(bio_err
," -dkey arg - second private key file to use (usually for DSA)\n");
218 BIO_printf(bio_err
," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
219 BIO_printf(bio_err
," or a default set of parameters is used\n");
221 BIO_printf(bio_err
," -nbio - Run with non-blocking IO\n");
223 BIO_printf(bio_err
," -nbio_test - test with the non-blocking test bio\n");
224 BIO_printf(bio_err
," -crlf - convert LF from terminal into CRLF\n");
225 BIO_printf(bio_err
," -debug - Print more output\n");
226 BIO_printf(bio_err
," -state - Print the SSL states\n");
227 BIO_printf(bio_err
," -CApath arg - PEM format directory of CA's\n");
228 BIO_printf(bio_err
," -CAfile arg - PEM format file of CA's\n");
229 BIO_printf(bio_err
," -nocert - Don't use any certificates (Anon-DH)\n");
230 BIO_printf(bio_err
," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
231 BIO_printf(bio_err
," -quiet - No server output\n");
232 BIO_printf(bio_err
," -no_tmp_rsa - Do not generate a tmp RSA key\n");
233 BIO_printf(bio_err
," -ssl2 - Just talk SSLv2\n");
234 BIO_printf(bio_err
," -ssl3 - Just talk SSLv3\n");
235 BIO_printf(bio_err
," -tls1 - Just talk TLSv1\n");
236 BIO_printf(bio_err
," -no_ssl2 - Just disable SSLv2\n");
237 BIO_printf(bio_err
," -no_ssl3 - Just disable SSLv3\n");
238 BIO_printf(bio_err
," -no_tls1 - Just disable TLSv1\n");
240 BIO_printf(bio_err
," -no_dhe - Disable ephemeral DH\n");
242 BIO_printf(bio_err
," -bugs - Turn on SSL bug compatability\n");
243 BIO_printf(bio_err
," -www - Respond to a 'GET /' with a status page\n");
244 BIO_printf(bio_err
," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
247 static int local_argc
=0;
248 static char **local_argv
;
250 #ifdef CHARSET_EBCDIC
251 static int ebcdic_new(BIO
*bi
);
252 static int ebcdic_free(BIO
*a
);
253 static int ebcdic_read(BIO
*b
, char *out
, int outl
);
254 static int ebcdic_write(BIO
*b
, char *in
, int inl
);
255 static long ebcdic_ctrl(BIO
*b
, int cmd
, long num
, char *ptr
);
256 static int ebcdic_gets(BIO
*bp
, char *buf
, int size
);
257 static int ebcdic_puts(BIO
*bp
, char *str
);
259 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
260 static BIO_METHOD methods_ebcdic
=
262 BIO_TYPE_EBCDIC_FILTER
,
263 "EBCDIC/ASCII filter",
279 BIO_METHOD
*BIO_f_ebcdic_filter()
281 return(&methods_ebcdic
);
284 static int ebcdic_new(BIO
*bi
)
286 EBCDIC_OUTBUFF
*wbuf
;
288 wbuf
= (EBCDIC_OUTBUFF
*)Malloc(sizeof(EBCDIC_OUTBUFF
) + 1024);
289 wbuf
->alloced
= 1024;
290 wbuf
->buff
[0] = '\0';
292 bi
->ptr
=(char *)wbuf
;
298 static int ebcdic_free(BIO
*a
)
300 if (a
== NULL
) return(0);
309 static int ebcdic_read(BIO
*b
, char *out
, int outl
)
313 if (out
== NULL
|| outl
== 0) return(0);
314 if (b
->next_bio
== NULL
) return(0);
316 ret
=BIO_read(b
->next_bio
,out
,outl
);
318 ascii2ebcdic(out
,out
,ret
);
322 static int ebcdic_write(BIO
*b
, char *in
, int inl
)
324 EBCDIC_OUTBUFF
*wbuf
;
329 if ((in
== NULL
) || (inl
<= 0)) return(0);
330 if (b
->next_bio
== NULL
) return(0);
332 wbuf
=(EBCDIC_OUTBUFF
*)b
->ptr
;
334 if (inl
> (num
= wbuf
->alloced
))
336 num
= num
+ num
; /* double the size */
340 wbuf
=(EBCDIC_OUTBUFF
*)Malloc(sizeof(EBCDIC_OUTBUFF
) + num
);
343 wbuf
->buff
[0] = '\0';
348 ebcdic2ascii(wbuf
->buff
, in
, inl
);
350 ret
=BIO_write(b
->next_bio
, wbuf
->buff
, inl
);
355 static long ebcdic_ctrl(BIO
*b
, int cmd
, long num
, char *ptr
)
359 if (b
->next_bio
== NULL
) return(0);
366 ret
=BIO_ctrl(b
->next_bio
,cmd
,num
,ptr
);
372 static int ebcdic_gets(BIO
*bp
, char *buf
, int size
)
375 if (bp
->next_bio
== NULL
) return(0);
376 /* return(BIO_gets(bp->next_bio,buf,size));*/
377 for (i
=0; i
<size
-1; ++i
)
379 ret
= ebcdic_read(bp
,&buf
[i
],1);
382 else if (buf
[i
] == '\n')
390 return (ret
< 0 && i
== 0) ? ret
: i
;
393 static int ebcdic_puts(BIO
*bp
, char *str
)
395 if (bp
->next_bio
== NULL
) return(0);
396 return ebcdic_write(bp
, str
, strlen(str
));
400 int MAIN(int argc
, char *argv
[])
403 char *CApath
=NULL
,*CAfile
=NULL
;
404 char *context
= NULL
;
409 int no_tmp_rsa
=0,no_dhe
=0,nocert
=0;
411 SSL_METHOD
*meth
=NULL
;
416 #if !defined(NO_SSL2) && !defined(NO_SSL3)
417 meth
=SSLv23_server_method();
418 #elif !defined(NO_SSL3)
419 meth
=SSLv3_server_method();
420 #elif !defined(NO_SSL2)
421 meth
=SSLv2_server_method();
433 bio_err
=BIO_new_fp(stderr
,BIO_NOCLOSE
);
446 if ((strcmp(*argv
,"-port") == 0) ||
447 (strcmp(*argv
,"-accept") == 0))
449 if (--argc
< 1) goto bad
;
450 if (!extract_port(*(++argv
),&port
))
453 else if (strcmp(*argv
,"-verify") == 0)
455 s_server_verify
=SSL_VERIFY_PEER
|SSL_VERIFY_CLIENT_ONCE
;
456 if (--argc
< 1) goto bad
;
457 verify_depth
=atoi(*(++argv
));
458 BIO_printf(bio_err
,"verify depth is %d\n",verify_depth
);
460 else if (strcmp(*argv
,"-Verify") == 0)
462 s_server_verify
=SSL_VERIFY_PEER
|SSL_VERIFY_FAIL_IF_NO_PEER_CERT
|
463 SSL_VERIFY_CLIENT_ONCE
;
464 if (--argc
< 1) goto bad
;
465 verify_depth
=atoi(*(++argv
));
466 BIO_printf(bio_err
,"verify depth is %d, must return a certificate\n",verify_depth
);
468 else if (strcmp(*argv
,"-context") == 0)
470 if (--argc
< 1) goto bad
;
473 else if (strcmp(*argv
,"-cert") == 0)
475 if (--argc
< 1) goto bad
;
476 s_cert_file
= *(++argv
);
478 else if (strcmp(*argv
,"-key") == 0)
480 if (--argc
< 1) goto bad
;
481 s_key_file
= *(++argv
);
483 else if (strcmp(*argv
,"-dhparam") == 0)
485 if (--argc
< 1) goto bad
;
488 else if (strcmp(*argv
,"-dcert") == 0)
490 if (--argc
< 1) goto bad
;
491 s_dcert_file
= *(++argv
);
493 else if (strcmp(*argv
,"-dkey") == 0)
495 if (--argc
< 1) goto bad
;
496 s_dkey_file
= *(++argv
);
498 else if (strcmp(*argv
,"-nocert") == 0)
502 else if (strcmp(*argv
,"-CApath") == 0)
504 if (--argc
< 1) goto bad
;
507 else if (strcmp(*argv
,"-cipher") == 0)
509 if (--argc
< 1) goto bad
;
512 else if (strcmp(*argv
,"-CAfile") == 0)
514 if (--argc
< 1) goto bad
;
518 else if (strcmp(*argv
,"-nbio") == 0)
521 else if (strcmp(*argv
,"-nbio_test") == 0)
528 else if (strcmp(*argv
,"-debug") == 0)
530 else if (strcmp(*argv
,"-hack") == 0)
532 else if (strcmp(*argv
,"-state") == 0)
534 else if (strcmp(*argv
,"-crlf") == 0)
536 else if (strcmp(*argv
,"-quiet") == 0)
538 else if (strcmp(*argv
,"-bugs") == 0)
540 else if (strcmp(*argv
,"-no_tmp_rsa") == 0)
542 else if (strcmp(*argv
,"-no_dhe") == 0)
544 else if (strcmp(*argv
,"-www") == 0)
546 else if (strcmp(*argv
,"-WWW") == 0)
548 else if (strcmp(*argv
,"-no_ssl2") == 0)
549 { off
|=SSL_OP_NO_SSLv2
; }
550 else if (strcmp(*argv
,"-no_ssl3") == 0)
551 { off
|=SSL_OP_NO_SSLv3
; }
552 else if (strcmp(*argv
,"-no_tls1") == 0)
553 { off
|=SSL_OP_NO_TLSv1
; }
555 else if (strcmp(*argv
,"-ssl2") == 0)
556 { meth
=SSLv2_server_method(); }
559 else if (strcmp(*argv
,"-ssl3") == 0)
560 { meth
=SSLv3_server_method(); }
563 else if (strcmp(*argv
,"-tls1") == 0)
564 { meth
=TLSv1_server_method(); }
568 BIO_printf(bio_err
,"unknown option %s\n",*argv
);
582 app_RAND_load_file(NULL
, bio_err
, 0);
584 if (bio_s_out
== NULL
)
586 if (s_quiet
&& !s_debug
)
588 bio_s_out
=BIO_new(BIO_s_null());
592 if (bio_s_out
== NULL
)
593 bio_s_out
=BIO_new_fp(stdout
,BIO_NOCLOSE
);
597 #if !defined(NO_RSA) || !defined(NO_DSA)
607 SSL_load_error_strings();
608 SSLeay_add_ssl_algorithms();
610 ctx
=SSL_CTX_new(meth
);
613 ERR_print_errors(bio_err
);
617 SSL_CTX_set_quiet_shutdown(ctx
,1);
618 if (bugs
) SSL_CTX_set_options(ctx
,SSL_OP_ALL
);
619 if (hack
) SSL_CTX_set_options(ctx
,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG
);
620 SSL_CTX_set_options(ctx
,off
);
621 if (hack
) SSL_CTX_set_options(ctx
,SSL_OP_NON_EXPORT_FIRST
);
623 if (state
) SSL_CTX_set_info_callback(ctx
,apps_ssl_info_callback
);
625 SSL_CTX_sess_set_cache_size(ctx
,128);
628 if (cipher
== NULL
) cipher
=getenv("SSL_CIPHER");
632 if (s_cert_file
== NULL
)
634 BIO_printf(bio_err
,"You must specify a certificate file for the server to use\n");
639 if ((!SSL_CTX_load_verify_locations(ctx
,CAfile
,CApath
)) ||
640 (!SSL_CTX_set_default_verify_paths(ctx
)))
642 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
643 ERR_print_errors(bio_err
);
650 dh
=load_dh_param(dhfile
? dhfile
: s_cert_file
);
653 BIO_printf(bio_s_out
,"Setting temp DH parameters\n");
657 BIO_printf(bio_s_out
,"Using default temp DH parameters\n");
660 (void)BIO_flush(bio_s_out
);
662 SSL_CTX_set_tmp_dh(ctx
,dh
);
667 if (!set_cert_stuff(ctx
,s_cert_file
,s_key_file
))
669 if (s_dcert_file
!= NULL
)
671 if (!set_cert_stuff(ctx
,s_dcert_file
,s_dkey_file
))
677 SSL_CTX_set_tmp_rsa_callback(ctx
,tmp_rsa_cb
);
679 if (!no_tmp_rsa
&& SSL_CTX_need_tmp_RSA(ctx
))
683 BIO_printf(bio_s_out
,"Generating temp (512 bit) RSA key...");
684 BIO_flush(bio_s_out
);
686 rsa
=RSA_generate_key(512,RSA_F4
,NULL
);
688 if (!SSL_CTX_set_tmp_rsa(ctx
,rsa
))
690 ERR_print_errors(bio_err
);
694 BIO_printf(bio_s_out
,"\n");
700 if(!SSL_CTX_set_cipher_list(ctx
,cipher
)) {
701 BIO_printf(bio_err
,"error seting cipher list\n");
702 ERR_print_errors(bio_err
);
705 SSL_CTX_set_verify(ctx
,s_server_verify
,verify_callback
);
706 SSL_CTX_set_session_id_context(ctx
,(void*)&s_server_session_id_context
,
707 sizeof s_server_session_id_context
);
710 SSL_CTX_set_client_CA_list(ctx
,SSL_load_client_CA_file(CAfile
));
712 BIO_printf(bio_s_out
,"ACCEPT\n");
714 do_server(port
,&accept_socket
,www_body
, context
);
716 do_server(port
,&accept_socket
,sv_body
, context
);
717 print_stats(bio_s_out
,ctx
);
720 if (ctx
!= NULL
) SSL_CTX_free(ctx
);
721 if (bio_s_out
!= NULL
)
729 static void print_stats(BIO
*bio
, SSL_CTX
*ssl_ctx
)
731 BIO_printf(bio
,"%4ld items in the session cache\n",
732 SSL_CTX_sess_number(ssl_ctx
));
733 BIO_printf(bio
,"%4d client connects (SSL_connect())\n",
734 SSL_CTX_sess_connect(ssl_ctx
));
735 BIO_printf(bio
,"%4d client renegotiates (SSL_connect())\n",
736 SSL_CTX_sess_connect_renegotiate(ssl_ctx
));
737 BIO_printf(bio
,"%4d client connects that finished\n",
738 SSL_CTX_sess_connect_good(ssl_ctx
));
739 BIO_printf(bio
,"%4d server accepts (SSL_accept())\n",
740 SSL_CTX_sess_accept(ssl_ctx
));
741 BIO_printf(bio
,"%4d server renegotiates (SSL_accept())\n",
742 SSL_CTX_sess_accept_renegotiate(ssl_ctx
));
743 BIO_printf(bio
,"%4d server accepts that finished\n",
744 SSL_CTX_sess_accept_good(ssl_ctx
));
745 BIO_printf(bio
,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx
));
746 BIO_printf(bio
,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx
));
747 BIO_printf(bio
,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx
));
748 BIO_printf(bio
,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx
));
749 BIO_printf(bio
,"%4d cache full overflows (%d allowed)\n",
750 SSL_CTX_sess_cache_full(ssl_ctx
),
751 SSL_CTX_sess_get_cache_size(ssl_ctx
));
754 static int sv_body(char *hostname
, int s
, unsigned char *context
)
767 if ((buf
=Malloc(bufsize
)) == NULL
)
769 BIO_printf(bio_err
,"out of memory\n");
778 BIO_printf(bio_err
,"turning on non blocking io\n");
779 if (BIO_socket_ioctl(s
,FIONBIO
,&sl
) < 0)
780 ERR_print_errors(bio_err
);
785 con
=(SSL
*)SSL_new(ctx
);
787 SSL_set_session_id_context(con
, context
,
788 strlen((char *)context
));
792 sbio
=BIO_new_socket(s
,BIO_NOCLOSE
);
797 test
=BIO_new(BIO_f_nbio_test());
798 sbio
=BIO_push(test
,sbio
);
800 SSL_set_bio(con
,sbio
,sbio
);
801 SSL_set_accept_state(con
);
802 /* SSL_set_fd(con,s); */
807 BIO_set_callback(SSL_get_rbio(con
),bio_dump_cb
);
808 BIO_set_callback_arg(SSL_get_rbio(con
),bio_s_out
);
816 FD_SET(fileno(stdin
),&readfds
);
819 /* Note: under VMS with SOCKETSHR the second parameter is
820 * currently of type (int *) whereas under other systems
821 * it is (void *) if you don't have a cast it will choke
822 * the compiler: if you do have a cast then you can either
823 * go for (int *) or (void *).
826 /* Under Windows we can't select on stdin: only
827 * on sockets. As a workaround we timeout the select every
828 * second and check for any keypress. In a proper Windows
829 * application we wouldn't do this because it is inefficient.
833 i
=select(width
,(void *)&readfds
,NULL
,NULL
,&tv
);
834 if((i
< 0) || (!i
&& !_kbhit() ) )continue;
837 i
=select(width
,(void *)&readfds
,NULL
,NULL
,NULL
);
838 if (i
<= 0) continue;
839 if (FD_ISSET(fileno(stdin
),&readfds
))
846 i
=read(fileno(stdin
), buf
, bufsize
/2);
848 /* both loops are skipped when i <= 0 */
849 for (j
= 0; j
< i
; j
++)
852 for (j
= i
-1; j
>= 0; j
--)
854 buf
[j
+lf_num
] = buf
[j
];
859 buf
[j
+lf_num
] = '\r';
865 i
=read(fileno(stdin
),buf
,bufsize
);
868 if ((i
<= 0) || (buf
[0] == 'Q'))
870 BIO_printf(bio_s_out
,"DONE\n");
872 close_accept_socket();
876 if ((i
<= 0) || (buf
[0] == 'q'))
878 BIO_printf(bio_s_out
,"DONE\n");
880 /* close_accept_socket();
884 if ((buf
[0] == 'r') &&
885 ((buf
[1] == '\n') || (buf
[1] == '\r')))
887 SSL_renegotiate(con
);
888 i
=SSL_do_handshake(con
);
889 printf("SSL_do_handshake -> %d\n",i
);
892 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
894 if ((buf
[0] == 'R') &&
895 ((buf
[1] == '\n') || (buf
[1] == '\r')))
898 SSL_VERIFY_PEER
|SSL_VERIFY_CLIENT_ONCE
,NULL
);
899 SSL_renegotiate(con
);
900 i
=SSL_do_handshake(con
);
901 printf("SSL_do_handshake -> %d\n",i
);
904 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
908 static char *str
="Lets print some clear text\n";
909 BIO_write(SSL_get_wbio(con
),str
,strlen(str
));
913 print_stats(bio_s_out
,SSL_get_SSL_CTX(con
));
916 #ifdef CHARSET_EBCDIC
917 ebcdic2ascii(buf
,buf
,i
);
922 /* should do a select for the write */
924 { static count
=0; if (++count
== 100) { count
=0; SSL_renegotiate(con
); } }
926 k
=SSL_write(con
,&(buf
[l
]),(unsigned int)i
);
927 switch (SSL_get_error(con
,k
))
931 case SSL_ERROR_WANT_WRITE
:
932 case SSL_ERROR_WANT_READ
:
933 case SSL_ERROR_WANT_X509_LOOKUP
:
934 BIO_printf(bio_s_out
,"Write BLOCK\n");
936 case SSL_ERROR_SYSCALL
:
938 BIO_printf(bio_s_out
,"ERROR\n");
939 ERR_print_errors(bio_err
);
943 case SSL_ERROR_ZERO_RETURN
:
944 BIO_printf(bio_s_out
,"DONE\n");
953 if (FD_ISSET(s
,&readfds
))
955 if (!SSL_is_init_finished(con
))
957 i
=init_ssl_connection(con
);
973 i
=SSL_read(con
,(char *)buf
,bufsize
);
974 switch (SSL_get_error(con
,i
))
977 #ifdef CHARSET_EBCDIC
978 ascii2ebcdic(buf
,buf
,i
);
980 write(fileno(stdout
),buf
,
982 if (SSL_pending(con
)) goto again
;
984 case SSL_ERROR_WANT_WRITE
:
985 case SSL_ERROR_WANT_READ
:
986 case SSL_ERROR_WANT_X509_LOOKUP
:
987 BIO_printf(bio_s_out
,"Read BLOCK\n");
989 case SSL_ERROR_SYSCALL
:
991 BIO_printf(bio_s_out
,"ERROR\n");
992 ERR_print_errors(bio_err
);
995 case SSL_ERROR_ZERO_RETURN
:
996 BIO_printf(bio_s_out
,"DONE\n");
1004 BIO_printf(bio_s_out
,"shutting down SSL\n");
1006 SSL_set_shutdown(con
,SSL_SENT_SHUTDOWN
|SSL_RECEIVED_SHUTDOWN
);
1010 if (con
!= NULL
) SSL_free(con
);
1011 BIO_printf(bio_s_out
,"CONNECTION CLOSED\n");
1014 memset(buf
,0,bufsize
);
1018 BIO_printf(bio_s_out
,"ACCEPT\n");
1022 static void close_accept_socket(void)
1024 BIO_printf(bio_err
,"shutdown accept socket\n");
1025 if (accept_socket
>= 0)
1027 SHUTDOWN2(accept_socket
);
1031 static int init_ssl_connection(SSL
*con
)
1037 MS_STATIC
char buf
[BUFSIZ
];
1039 if ((i
=SSL_accept(con
)) <= 0)
1041 if (BIO_sock_should_retry(i
))
1043 BIO_printf(bio_s_out
,"DELAY\n");
1047 BIO_printf(bio_err
,"ERROR\n");
1048 verify_error
=SSL_get_verify_result(con
);
1049 if (verify_error
!= X509_V_OK
)
1051 BIO_printf(bio_err
,"verify error:%s\n",
1052 X509_verify_cert_error_string(verify_error
));
1055 ERR_print_errors(bio_err
);
1059 PEM_write_bio_SSL_SESSION(bio_s_out
,SSL_get_session(con
));
1061 peer
=SSL_get_peer_certificate(con
);
1064 BIO_printf(bio_s_out
,"Client certificate\n");
1065 PEM_write_bio_X509(bio_s_out
,peer
);
1066 X509_NAME_oneline(X509_get_subject_name(peer
),buf
,BUFSIZ
);
1067 BIO_printf(bio_s_out
,"subject=%s\n",buf
);
1068 X509_NAME_oneline(X509_get_issuer_name(peer
),buf
,BUFSIZ
);
1069 BIO_printf(bio_s_out
,"issuer=%s\n",buf
);
1073 if (SSL_get_shared_ciphers(con
,buf
,BUFSIZ
) != NULL
)
1074 BIO_printf(bio_s_out
,"Shared ciphers:%s\n",buf
);
1075 str
=SSL_CIPHER_get_name(SSL_get_current_cipher(con
));
1076 BIO_printf(bio_s_out
,"CIPHER is %s\n",(str
!= NULL
)?str
:"(NONE)");
1077 if (con
->hit
) BIO_printf(bio_s_out
,"Reused session-id\n");
1078 if (SSL_ctrl(con
,SSL_CTRL_GET_FLAGS
,0,NULL
) &
1079 TLS1_FLAGS_TLS_PADDING_BUG
)
1080 BIO_printf(bio_s_out
,"Peer has incorrect TLSv1 block padding\n");
1086 static DH
*load_dh_param(char *dhfile
)
1091 if ((bio
=BIO_new_file(dhfile
,"r")) == NULL
)
1093 ret
=PEM_read_bio_DHparams(bio
,NULL
,NULL
,NULL
);
1095 if (bio
!= NULL
) BIO_free(bio
);
1101 static int load_CA(SSL_CTX
*ctx
, char *file
)
1106 if ((in
=fopen(file
,"r")) == NULL
)
1111 if (PEM_read_X509(in
,&x
,NULL
) == NULL
)
1113 SSL_CTX_add_client_CA(ctx
,x
);
1115 if (x
!= NULL
) X509_free(x
);
1121 static int www_body(char *hostname
, int s
, unsigned char *context
)
1125 int i
,j
,k
,blank
,dot
;
1129 BIO
*io
,*ssl_bio
,*sbio
;
1132 buf
=Malloc(bufsize
);
1133 if (buf
== NULL
) return(0);
1134 io
=BIO_new(BIO_f_buffer());
1135 ssl_bio
=BIO_new(BIO_f_ssl());
1136 if ((io
== NULL
) || (ssl_bio
== NULL
)) goto err
;
1144 BIO_printf(bio_err
,"turning on non blocking io\n");
1145 if (BIO_socket_ioctl(s
,FIONBIO
,&sl
) < 0)
1146 ERR_print_errors(bio_err
);
1150 /* lets make the output buffer a reasonable size */
1151 if (!BIO_set_write_buffer_size(io
,bufsize
)) goto err
;
1153 if ((con
=(SSL
*)SSL_new(ctx
)) == NULL
) goto err
;
1154 if(context
) SSL_set_session_id_context(con
, context
,
1155 strlen((char *)context
));
1157 sbio
=BIO_new_socket(s
,BIO_NOCLOSE
);
1162 test
=BIO_new(BIO_f_nbio_test());
1163 sbio
=BIO_push(test
,sbio
);
1165 SSL_set_bio(con
,sbio
,sbio
);
1166 SSL_set_accept_state(con
);
1168 /* SSL_set_fd(con,s); */
1169 BIO_set_ssl(ssl_bio
,con
,BIO_CLOSE
);
1170 BIO_push(io
,ssl_bio
);
1171 #ifdef CHARSET_EBCDIC
1172 io
= BIO_push(BIO_new(BIO_f_ebcdic_filter()),io
);
1178 BIO_set_callback(SSL_get_rbio(con
),bio_dump_cb
);
1179 BIO_set_callback_arg(SSL_get_rbio(con
),bio_s_out
);
1189 switch (SSL_get_error(con
,i
))
1191 case SSL_ERROR_NONE
:
1193 case SSL_ERROR_WANT_WRITE
:
1194 case SSL_ERROR_WANT_READ
:
1195 case SSL_ERROR_WANT_X509_LOOKUP
:
1197 case SSL_ERROR_SYSCALL
:
1199 case SSL_ERROR_ZERO_RETURN
:
1205 SSL_renegotiate(con
);
1206 SSL_write(con
,NULL
,0);
1209 i
=BIO_gets(io
,buf
,bufsize
-1);
1210 if (i
< 0) /* error */
1212 if (!BIO_should_retry(io
))
1215 ERR_print_errors(bio_err
);
1220 BIO_printf(bio_s_out
,"read R BLOCK\n");
1227 else if (i
== 0) /* end of input */
1233 /* else we have data */
1234 if ( ((www
== 1) && (strncmp("GET ",buf
,4) == 0)) ||
1235 ((www
== 2) && (strncmp("GET /stats ",buf
,10) == 0)))
1239 STACK_OF(SSL_CIPHER
) *sk
;
1240 static char *space
=" ";
1242 BIO_puts(io
,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1243 BIO_puts(io
,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1244 BIO_puts(io
,"<pre>\n");
1245 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1247 for (i
=0; i
<local_argc
; i
++)
1249 BIO_puts(io
,local_argv
[i
]);
1250 BIO_write(io
," ",1);
1254 /* The following is evil and should not really
1256 BIO_printf(io
,"Ciphers supported in s_server binary\n");
1257 sk
=SSL_get_ciphers(con
);
1258 j
=sk_SSL_CIPHER_num(sk
);
1261 c
=sk_SSL_CIPHER_value(sk
,i
);
1262 BIO_printf(io
,"%-11s:%-25s",
1263 SSL_CIPHER_get_version(c
),
1264 SSL_CIPHER_get_name(c
));
1265 if ((((i
+1)%2) == 0) && (i
+1 != j
))
1269 p
=SSL_get_shared_ciphers(con
,buf
,bufsize
);
1272 BIO_printf(io
,"---\nCiphers common between both SSL end points:\n");
1278 BIO_write(io
,space
,26-j
);
1281 BIO_write(io
,((i
%3)?" ":"\n"),1);
1292 BIO_printf(io
,((con
->hit
)
1295 c
=SSL_get_current_cipher(con
);
1296 BIO_printf(io
,"%s, Cipher is %s\n",
1297 SSL_CIPHER_get_version(c
),
1298 SSL_CIPHER_get_name(c
));
1299 SSL_SESSION_print(io
,SSL_get_session(con
));
1300 BIO_printf(io
,"---\n");
1301 print_stats(io
,SSL_get_SSL_CTX(con
));
1302 BIO_printf(io
,"---\n");
1303 peer
=SSL_get_peer_certificate(con
);
1306 BIO_printf(io
,"Client certificate\n");
1307 X509_print(io
,peer
);
1308 PEM_write_bio_X509(io
,peer
);
1311 BIO_puts(io
,"no client certificate available\n");
1312 BIO_puts(io
,"</BODY></HTML>\r\n\r\n");
1315 else if ((www
== 2) && (strncmp("GET /",buf
,5) == 0))
1319 static char *text
="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1324 for (e
=p
; *e
!= '\0'; e
++)
1326 if (e
[0] == ' ') break;
1327 if ( (e
[0] == '.') &&
1328 (strncmp(&(e
[-1]),"/../",4) == 0))
1336 BIO_printf(io
,"'%s' is an invalid file name\r\n",p
);
1344 BIO_printf(io
,"'%s' contains '..' reference\r\n",p
);
1351 BIO_printf(io
,"'%s' is an invalid path\r\n",p
);
1355 /* append if a directory lookup */
1357 strcat(p
,"index.html");
1359 /* if a directory, do the index thang */
1360 if (stat(p
,&st_buf
) < 0)
1363 BIO_printf(io
,"Error accessing '%s'\r\n",p
);
1364 ERR_print_errors(io
);
1367 if (S_ISDIR(st_buf
.st_mode
))
1369 strcat(p
,"/index.html");
1372 if ((file
=BIO_new_file(p
,"r")) == NULL
)
1375 BIO_printf(io
,"Error opening '%s'\r\n",p
);
1376 ERR_print_errors(io
);
1381 BIO_printf(bio_err
,"FILE:%s\n",p
);
1384 if ( ((i
> 5) && (strcmp(&(p
[i
-5]),".html") == 0)) ||
1385 ((i
> 4) && (strcmp(&(p
[i
-4]),".php") == 0)) ||
1386 ((i
> 4) && (strcmp(&(p
[i
-4]),".htm") == 0)))
1387 BIO_puts(io
,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1389 BIO_puts(io
,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1394 i
=BIO_read(file
,buf
,bufsize
);
1399 fprintf(stderr
,"%d\n",i
);
1400 if (total_bytes
> 3*1024)
1403 fprintf(stderr
,"RENEGOTIATE\n");
1404 SSL_renegotiate(con
);
1411 { static count
=0; if (++count
== 13) { SSL_renegotiate(con
); } }
1413 k
=BIO_write(io
,&(buf
[j
]),i
-j
);
1416 if (!BIO_should_retry(io
))
1420 BIO_printf(bio_s_out
,"rwrite W BLOCK\n");
1437 i
=(int)BIO_flush(io
);
1440 if (!BIO_should_retry(io
))
1448 /* make sure we re-use sessions */
1449 SSL_set_shutdown(con
,SSL_SENT_SHUTDOWN
|SSL_RECEIVED_SHUTDOWN
);
1451 /* This kills performace */
1452 /* SSL_shutdown(con); A shutdown gets sent in the
1453 * BIO_free_all(io) procession */
1459 BIO_printf(bio_s_out
,"ACCEPT\n");
1461 if (buf
!= NULL
) Free(buf
);
1462 if (io
!= NULL
) BIO_free_all(io
);
1463 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1468 static RSA MS_CALLBACK
*tmp_rsa_cb(SSL
*s
, int is_export
, int keylength
)
1470 static RSA
*rsa_tmp
=NULL
;
1472 if (rsa_tmp
== NULL
)
1476 BIO_printf(bio_err
,"Generating temp (%d bit) RSA key...",keylength
);
1477 (void)BIO_flush(bio_err
);
1479 rsa_tmp
=RSA_generate_key(keylength
,RSA_F4
,NULL
,NULL
);
1482 BIO_printf(bio_err
,"\n");
1483 (void)BIO_flush(bio_err
);