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.]
59 /* With IPv6, it looks like Digital has mixed up the proper order of
60 recursive header file inclusion, resulting in the compiler complaining
61 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
62 is needed to have fileno() declared correctly... So let's define u_int */
63 #if defined(__DECC) && !defined(__U_INT)
65 typedef unsigned int u_int;
71 #include <sys/types.h>
76 #include <openssl/lhash.h>
77 #include <openssl/bn.h>
80 #include <openssl/err.h>
81 #include <openssl/pem.h>
82 #include <openssl/x509.h>
83 #include <openssl/ssl.h>
86 #if (defined(VMS) && __VMS_VER < 70000000)
87 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
91 #if defined(NO_RSA) && !defined(NO_SSL2)
96 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export,int keylength);
98 static int sv_body(char *hostname, int s, unsigned char *context);
99 static int www_body(char *hostname, int s, unsigned char *context);
100 static void close_accept_socket(void );
101 static void sv_usage(void);
102 static int init_ssl_connection(SSL *s);
103 static void print_stats(BIO *bp,SSL_CTX *ctx);
105 static DH *load_dh_param(void );
106 static DH *get_dh512(void);
108 /* static void s_server_init(void);*/
111 #if defined(VMS) && !defined(__DECC)
112 #define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
114 #define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
119 static unsigned char dh512_p[]={
120 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
121 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
122 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
123 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
124 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
127 static unsigned char dh512_g[]={
131 static DH *get_dh512(void)
135 if ((dh=DH_new()) == NULL) return(NULL);
136 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
137 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
138 if ((dh->p == NULL) || (dh->g == NULL))
144 /* static int load_CA(SSL_CTX *ctx, char *file);*/
147 #define BUFSIZZ 16*1024
148 static int bufsize=32;
149 static int accept_socket= -1;
151 #define TEST_CERT "server.pem"
153 #define PROG s_server_main
155 #define DH_PARAM "server.pem"
157 extern int verify_depth;
159 static char *cipher=NULL;
160 static int s_server_verify=SSL_VERIFY_NONE;
161 static int s_server_session_id_context = 1; /* anything will do */
162 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
163 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
167 static int s_nbio_test=0;
168 static SSL_CTX *ctx=NULL;
171 static BIO *bio_s_out=NULL;
172 static int s_debug=0;
173 static int s_quiet=0;
176 static void s_server_init(void)
179 s_server_verify=SSL_VERIFY_NONE;
182 s_cert_file=TEST_CERT;
197 static void sv_usage(void)
199 BIO_printf(bio_err,"usage: s_server [args ...]\n");
200 BIO_printf(bio_err,"\n");
201 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
202 BIO_printf(bio_err," -context arg - set session ID context\n");
203 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
204 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
205 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
206 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
207 BIO_printf(bio_err," -key arg - RSA file to use, PEM format assumed, in cert file if\n");
208 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
209 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
210 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
212 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
214 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
215 BIO_printf(bio_err," -debug - Print more output\n");
216 BIO_printf(bio_err," -state - Print the SSL states\n");
217 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
218 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
219 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
220 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
221 BIO_printf(bio_err," -quiet - No server output\n");
222 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
223 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
224 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
225 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
226 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
227 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
228 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
229 BIO_printf(bio_err," -bugs - Turn on SSL bug compatability\n");
230 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
231 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
234 static int local_argc=0;
235 static char **local_argv;
238 int MAIN(int argc, char *argv[])
241 char *CApath=NULL,*CAfile=NULL;
242 char *context = NULL;
246 int no_tmp_rsa=0,nocert=0;
248 SSL_METHOD *meth=NULL;
253 #if !defined(NO_SSL2) && !defined(NO_SSL3)
254 meth=SSLv23_server_method();
255 #elif !defined(NO_SSL3)
256 meth=SSLv3_server_method();
257 #elif !defined(NO_SSL2)
258 meth=SSLv2_server_method();
269 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
282 if ((strcmp(*argv,"-port") == 0) ||
283 (strcmp(*argv,"-accept") == 0))
285 if (--argc < 1) goto bad;
286 if (!extract_port(*(++argv),&port))
289 else if (strcmp(*argv,"-verify") == 0)
291 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
292 if (--argc < 1) goto bad;
293 verify_depth=atoi(*(++argv));
294 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
296 else if (strcmp(*argv,"-Verify") == 0)
298 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
299 SSL_VERIFY_CLIENT_ONCE;
300 if (--argc < 1) goto bad;
301 verify_depth=atoi(*(++argv));
302 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
304 else if (strcmp(*argv,"-context") == 0)
306 if (--argc < 1) goto bad;
309 else if (strcmp(*argv,"-cert") == 0)
311 if (--argc < 1) goto bad;
312 s_cert_file= *(++argv);
314 else if (strcmp(*argv,"-key") == 0)
316 if (--argc < 1) goto bad;
317 s_key_file= *(++argv);
319 else if (strcmp(*argv,"-dcert") == 0)
321 if (--argc < 1) goto bad;
322 s_dcert_file= *(++argv);
324 else if (strcmp(*argv,"-dkey") == 0)
326 if (--argc < 1) goto bad;
327 s_dkey_file= *(++argv);
329 else if (strcmp(*argv,"-nocert") == 0)
333 else if (strcmp(*argv,"-CApath") == 0)
335 if (--argc < 1) goto bad;
338 else if (strcmp(*argv,"-cipher") == 0)
340 if (--argc < 1) goto bad;
343 else if (strcmp(*argv,"-CAfile") == 0)
345 if (--argc < 1) goto bad;
349 else if (strcmp(*argv,"-nbio") == 0)
352 else if (strcmp(*argv,"-nbio_test") == 0)
359 else if (strcmp(*argv,"-debug") == 0)
361 else if (strcmp(*argv,"-hack") == 0)
363 else if (strcmp(*argv,"-state") == 0)
365 else if (strcmp(*argv,"-quiet") == 0)
367 else if (strcmp(*argv,"-bugs") == 0)
369 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
371 else if (strcmp(*argv,"-www") == 0)
373 else if (strcmp(*argv,"-WWW") == 0)
375 else if (strcmp(*argv,"-no_ssl2") == 0)
376 { off|=SSL_OP_NO_SSLv2; }
377 else if (strcmp(*argv,"-no_ssl3") == 0)
378 { off|=SSL_OP_NO_SSLv3; }
379 else if (strcmp(*argv,"-no_tls1") == 0)
380 { off|=SSL_OP_NO_TLSv1; }
382 else if (strcmp(*argv,"-ssl2") == 0)
383 { meth=SSLv2_server_method(); }
386 else if (strcmp(*argv,"-ssl3") == 0)
387 { meth=SSLv3_server_method(); }
390 else if (strcmp(*argv,"-tls1") == 0)
391 { meth=TLSv1_server_method(); }
395 BIO_printf(bio_err,"unknown option %s\n",*argv);
409 if (bio_s_out == NULL)
411 if (s_quiet && !s_debug)
413 bio_s_out=BIO_new(BIO_s_null());
417 if (bio_s_out == NULL)
418 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
422 #if !defined(NO_RSA) || !defined(NO_DSA)
432 SSL_load_error_strings();
433 SSLeay_add_ssl_algorithms();
435 ctx=SSL_CTX_new(meth);
438 ERR_print_errors(bio_err);
442 SSL_CTX_set_quiet_shutdown(ctx,1);
443 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
444 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
445 SSL_CTX_set_options(ctx,off);
446 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
448 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
450 SSL_CTX_sess_set_cache_size(ctx,128);
453 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
457 if (s_cert_file == NULL)
459 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
464 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
465 (!SSL_CTX_set_default_verify_paths(ctx)))
467 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
468 ERR_print_errors(bio_err);
473 /* EAY EAY EAY evil hack */
477 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
481 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
484 BIO_flush(bio_s_out);
486 SSL_CTX_set_tmp_dh(ctx,dh);
490 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
492 if (s_dcert_file != NULL)
494 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
500 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
502 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
506 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
507 BIO_flush(bio_s_out);
509 rsa=RSA_generate_key(512,RSA_F4,NULL);
511 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
513 ERR_print_errors(bio_err);
517 BIO_printf(bio_s_out,"\n");
523 SSL_CTX_set_cipher_list(ctx,cipher);
524 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
525 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
526 sizeof s_server_session_id_context);
528 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
530 BIO_printf(bio_s_out,"ACCEPT\n");
532 do_server(port,&accept_socket,www_body, context);
534 do_server(port,&accept_socket,sv_body, context);
535 print_stats(bio_s_out,ctx);
538 if (ctx != NULL) SSL_CTX_free(ctx);
539 if (bio_s_out != NULL)
547 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
549 BIO_printf(bio,"%4ld items in the session cache\n",
550 SSL_CTX_sess_number(ssl_ctx));
551 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
552 SSL_CTX_sess_connect(ssl_ctx));
553 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
554 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
555 BIO_printf(bio,"%4d client connects that finished\n",
556 SSL_CTX_sess_connect_good(ssl_ctx));
557 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
558 SSL_CTX_sess_accept(ssl_ctx));
559 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
560 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
561 BIO_printf(bio,"%4d server accepts that finished\n",
562 SSL_CTX_sess_accept_good(ssl_ctx));
563 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
564 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
565 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
566 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
567 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
568 SSL_CTX_sess_cache_full(ssl_ctx),
569 SSL_CTX_sess_get_cache_size(ssl_ctx));
572 static int sv_body(char *hostname, int s, unsigned char *context)
582 if ((buf=Malloc(bufsize)) == NULL)
584 BIO_printf(bio_err,"out of memory\n");
593 BIO_printf(bio_err,"turning on non blocking io\n");
594 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
595 ERR_print_errors(bio_err);
600 con=(SSL *)SSL_new(ctx);
602 SSL_set_session_id_context(con, context,
603 strlen((char *)context));
607 sbio=BIO_new_socket(s,BIO_NOCLOSE);
612 test=BIO_new(BIO_f_nbio_test());
613 sbio=BIO_push(test,sbio);
615 SSL_set_bio(con,sbio,sbio);
616 SSL_set_accept_state(con);
617 /* SSL_set_fd(con,s); */
622 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
623 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
631 FD_SET(fileno(stdin),&readfds);
634 /* Note: under VMS with SOCKETSHR the second parameter is
635 * currently of type (int *) whereas under other systems
636 * it is (void *) if you don't have a cast it will choke
637 * the compiler: if you do have a cast then you can either
638 * go for (int *) or (void *).
640 i=select(width,(void *)&readfds,NULL,NULL,NULL);
641 if (i <= 0) continue;
642 if (FD_ISSET(fileno(stdin),&readfds))
644 i=read(fileno(stdin),buf,bufsize);
647 if ((i <= 0) || (buf[0] == 'Q'))
649 BIO_printf(bio_s_out,"DONE\n");
651 close_accept_socket();
655 if ((i <= 0) || (buf[0] == 'q'))
657 BIO_printf(bio_s_out,"DONE\n");
659 /* close_accept_socket();
663 if ((buf[0] == 'r') &&
664 ((buf[1] == '\n') || (buf[1] == '\r')))
666 SSL_renegotiate(con);
667 i=SSL_do_handshake(con);
668 printf("SSL_do_handshake -> %d\n",i);
671 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
673 if ((buf[0] == 'R') &&
674 ((buf[1] == '\n') || (buf[1] == '\r')))
677 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
678 SSL_renegotiate(con);
679 i=SSL_do_handshake(con);
680 printf("SSL_do_handshake -> %d\n",i);
683 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
687 static char *str="Lets print some clear text\n";
688 BIO_write(SSL_get_wbio(con),str,strlen(str));
692 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
698 /* should do a select for the write */
700 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
702 k=SSL_write(con,&(buf[l]),(unsigned int)i);
703 switch (SSL_get_error(con,k))
707 case SSL_ERROR_WANT_WRITE:
708 case SSL_ERROR_WANT_READ:
709 case SSL_ERROR_WANT_X509_LOOKUP:
710 BIO_printf(bio_s_out,"Write BLOCK\n");
712 case SSL_ERROR_SYSCALL:
714 BIO_printf(bio_s_out,"ERROR\n");
715 ERR_print_errors(bio_err);
719 case SSL_ERROR_ZERO_RETURN:
720 BIO_printf(bio_s_out,"DONE\n");
729 if (FD_ISSET(s,&readfds))
731 if (!SSL_is_init_finished(con))
733 i=init_ssl_connection(con);
749 i=SSL_read(con,(char *)buf,bufsize);
750 switch (SSL_get_error(con,i))
753 write(fileno(stdout),buf,
755 if (SSL_pending(con)) goto again;
757 case SSL_ERROR_WANT_WRITE:
758 case SSL_ERROR_WANT_READ:
759 case SSL_ERROR_WANT_X509_LOOKUP:
760 BIO_printf(bio_s_out,"Read BLOCK\n");
762 case SSL_ERROR_SYSCALL:
764 BIO_printf(bio_s_out,"ERROR\n");
765 ERR_print_errors(bio_err);
768 case SSL_ERROR_ZERO_RETURN:
769 BIO_printf(bio_s_out,"DONE\n");
777 BIO_printf(bio_s_out,"shutting down SSL\n");
779 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
783 if (con != NULL) SSL_free(con);
784 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
787 memset(buf,0,bufsize);
791 BIO_printf(bio_s_out,"ACCEPT\n");
795 static void close_accept_socket(void)
797 BIO_printf(bio_err,"shutdown accept socket\n");
798 if (accept_socket >= 0)
800 SHUTDOWN2(accept_socket);
804 static int init_ssl_connection(SSL *con)
810 MS_STATIC char buf[BUFSIZ];
812 if ((i=SSL_accept(con)) <= 0)
814 if (BIO_sock_should_retry(i))
816 BIO_printf(bio_s_out,"DELAY\n");
820 BIO_printf(bio_err,"ERROR\n");
821 verify_error=SSL_get_verify_result(con);
822 if (verify_error != X509_V_OK)
824 BIO_printf(bio_err,"verify error:%s\n",
825 X509_verify_cert_error_string(verify_error));
828 ERR_print_errors(bio_err);
832 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
834 peer=SSL_get_peer_certificate(con);
837 BIO_printf(bio_s_out,"Client certificate\n");
838 PEM_write_bio_X509(bio_s_out,peer);
839 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
840 BIO_printf(bio_s_out,"subject=%s\n",buf);
841 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
842 BIO_printf(bio_s_out,"issuer=%s\n",buf);
846 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
847 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
848 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
849 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
850 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
851 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
852 TLS1_FLAGS_TLS_PADDING_BUG)
853 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
859 static DH *load_dh_param(void)
864 if ((bio=BIO_new_file(DH_PARAM,"r")) == NULL)
866 ret=PEM_read_bio_DHparams(bio,NULL,NULL);
868 if (bio != NULL) BIO_free(bio);
874 static int load_CA(SSL_CTX *ctx, char *file)
879 if ((in=fopen(file,"r")) == NULL)
884 if (PEM_read_X509(in,&x,NULL) == NULL)
886 SSL_CTX_add_client_CA(ctx,x);
888 if (x != NULL) X509_free(x);
894 static int www_body(char *hostname, int s, unsigned char *context)
902 BIO *io,*ssl_bio,*sbio;
906 if (buf == NULL) return(0);
907 io=BIO_new(BIO_f_buffer());
908 ssl_bio=BIO_new(BIO_f_ssl());
909 if ((io == NULL) || (ssl_bio == NULL)) goto err;
917 BIO_printf(bio_err,"turning on non blocking io\n");
918 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
919 ERR_print_errors(bio_err);
923 /* lets make the output buffer a reasonable size */
924 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
926 if ((con=(SSL *)SSL_new(ctx)) == NULL) goto err;
927 if(context) SSL_set_session_id_context(con, context,
928 strlen((char *)context));
930 sbio=BIO_new_socket(s,BIO_NOCLOSE);
935 test=BIO_new(BIO_f_nbio_test());
936 sbio=BIO_push(test,sbio);
938 SSL_set_bio(con,sbio,sbio);
939 SSL_set_accept_state(con);
941 /* SSL_set_fd(con,s); */
942 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
943 BIO_push(io,ssl_bio);
948 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
949 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
959 switch (SSL_get_error(con,i))
963 case SSL_ERROR_WANT_WRITE:
964 case SSL_ERROR_WANT_READ:
965 case SSL_ERROR_WANT_X509_LOOKUP:
967 case SSL_ERROR_SYSCALL:
969 case SSL_ERROR_ZERO_RETURN:
975 SSL_renegotiate(con);
976 SSL_write(con,NULL,0);
979 i=BIO_gets(io,buf,bufsize-1);
980 if (i < 0) /* error */
982 if (!BIO_should_retry(io))
985 ERR_print_errors(bio_err);
990 BIO_printf(bio_s_out,"read R BLOCK\n");
997 else if (i == 0) /* end of input */
1003 /* else we have data */
1004 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1005 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1009 STACK_OF(SSL_CIPHER) *sk;
1010 static char *space=" ";
1012 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1013 BIO_puts(io,"<HTML><BODY BGCOLOR=ffffff>\n");
1014 BIO_puts(io,"<pre>\n");
1015 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1017 for (i=0; i<local_argc; i++)
1019 BIO_puts(io,local_argv[i]);
1020 BIO_write(io," ",1);
1024 /* The following is evil and should not really
1026 BIO_printf(io,"Ciphers supported in s_server binary\n");
1027 sk=SSL_get_ciphers(con);
1028 j=sk_SSL_CIPHER_num(sk);
1031 c=sk_SSL_CIPHER_value(sk,i);
1032 BIO_printf(io,"%-11s:%-25s",
1033 SSL_CIPHER_get_version(c),
1034 SSL_CIPHER_get_name(c));
1035 if ((((i+1)%2) == 0) && (i+1 != j))
1039 p=SSL_get_shared_ciphers(con,buf,bufsize);
1042 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1048 BIO_write(io,space,26-j);
1051 BIO_write(io,((i%3)?" ":"\n"),1);
1062 BIO_printf(io,((con->hit)
1065 c=SSL_get_current_cipher(con);
1066 BIO_printf(io,"%s, Cipher is %s\n",
1067 SSL_CIPHER_get_version(c),
1068 SSL_CIPHER_get_name(c));
1069 SSL_SESSION_print(io,SSL_get_session(con));
1070 BIO_printf(io,"---\n");
1071 print_stats(io,SSL_get_SSL_CTX(con));
1072 BIO_printf(io,"---\n");
1073 peer=SSL_get_peer_certificate(con);
1076 BIO_printf(io,"Client certificate\n");
1077 X509_print(io,peer);
1078 PEM_write_bio_X509(io,peer);
1081 BIO_puts(io,"no client certificate available\n");
1082 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1085 else if ((www == 2) && (strncmp("GET ",buf,4) == 0))
1089 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1094 for (e=p; *e != '\0'; e++)
1096 if (e[0] == ' ') break;
1097 if ( (e[0] == '.') &&
1098 (strncmp(&(e[-1]),"/../",4) == 0))
1106 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1114 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1121 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1125 /* append if a directory lookup */
1127 strcat(p,"index.html");
1129 /* if a directory, do the index thang */
1130 if (stat(p,&st_buf) < 0)
1133 BIO_printf(io,"Error accessing '%s'\r\n",p);
1134 ERR_print_errors(io);
1137 if (S_ISDIR(st_buf.st_mode))
1139 strcat(p,"/index.html");
1142 if ((file=BIO_new_file(p,"r")) == NULL)
1145 BIO_printf(io,"Error opening '%s'\r\n",p);
1146 ERR_print_errors(io);
1151 BIO_printf(bio_err,"FILE:%s\n",p);
1154 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1155 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1156 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1157 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1159 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1164 i=BIO_read(file,buf,bufsize);
1169 fprintf(stderr,"%d\n",i);
1170 if (total_bytes > 3*1024)
1173 fprintf(stderr,"RENEGOTIATE\n");
1174 SSL_renegotiate(con);
1181 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1183 k=BIO_write(io,&(buf[j]),i-j);
1186 if (!BIO_should_retry(io))
1190 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1207 i=(int)BIO_flush(io);
1210 if (!BIO_should_retry(io))
1218 /* make sure we re-use sessions */
1219 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1221 /* This kills performace */
1222 /* SSL_shutdown(con); A shutdown gets sent in the
1223 * BIO_free_all(io) procession */
1229 BIO_printf(bio_s_out,"ACCEPT\n");
1231 if (buf != NULL) Free(buf);
1232 if (io != NULL) BIO_free_all(io);
1233 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1238 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export, int keylength)
1240 static RSA *rsa_tmp=NULL;
1242 if (rsa_tmp == NULL)
1246 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1249 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1252 BIO_printf(bio_err,"\n");