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 #ifdef OPENSSL_NO_STDIO
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(OPENSSL_SYS_VMS_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>
86 #include <openssl/engine.h>
89 #ifdef OPENSSL_SYS_WINDOWS
93 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
94 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
98 #ifndef OPENSSL_NO_RSA
99 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
101 static int sv_body(char *hostname, int s, unsigned char *context);
102 static int www_body(char *hostname, int s, unsigned char *context);
103 static void close_accept_socket(void );
104 static void sv_usage(void);
105 static int init_ssl_connection(SSL *s);
106 static void print_stats(BIO *bp,SSL_CTX *ctx);
107 #ifndef OPENSSL_NO_DH
108 static DH *load_dh_param(char *dhfile);
109 static DH *get_dh512(void);
112 static void s_server_init(void);
116 # if defined(_S_IFMT) && defined(_S_IFDIR)
117 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
119 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
123 #ifndef OPENSSL_NO_DH
124 static unsigned char dh512_p[]={
125 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
126 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
127 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
128 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
129 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
132 static unsigned char dh512_g[]={
136 static DH *get_dh512(void)
140 if ((dh=DH_new()) == NULL) return(NULL);
141 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
142 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
143 if ((dh->p == NULL) || (dh->g == NULL))
149 /* static int load_CA(SSL_CTX *ctx, char *file);*/
152 #define BUFSIZZ 16*1024
153 static int bufsize=BUFSIZZ;
154 static int accept_socket= -1;
156 #define TEST_CERT "server.pem"
158 #define PROG s_server_main
160 extern int verify_depth;
162 static char *cipher=NULL;
163 static int s_server_verify=SSL_VERIFY_NONE;
164 static int s_server_session_id_context = 1; /* anything will do */
165 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
166 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
170 static int s_nbio_test=0;
172 static SSL_CTX *ctx=NULL;
175 static BIO *bio_s_out=NULL;
176 static int s_debug=0;
177 static int s_quiet=0;
180 static char *engine_id=NULL;
183 static void s_server_init(void)
187 s_server_verify=SSL_VERIFY_NONE;
190 s_cert_file=TEST_CERT;
207 static void sv_usage(void)
209 BIO_printf(bio_err,"usage: s_server [args ...]\n");
210 BIO_printf(bio_err,"\n");
211 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
212 BIO_printf(bio_err," -context arg - set session ID context\n");
213 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
214 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
215 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
216 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
217 BIO_printf(bio_err," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
218 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
219 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
220 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
221 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
222 BIO_printf(bio_err," or a default set of parameters is used\n");
224 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
226 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
227 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
228 BIO_printf(bio_err," -debug - Print more output\n");
229 BIO_printf(bio_err," -state - Print the SSL states\n");
230 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
231 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
232 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
233 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
234 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
235 BIO_printf(bio_err," -quiet - No server output\n");
236 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
237 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
238 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
239 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
240 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
241 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
242 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
243 #ifndef OPENSSL_NO_DH
244 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
246 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
247 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
248 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
249 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
250 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
253 static int local_argc=0;
254 static char **local_argv;
256 #ifdef CHARSET_EBCDIC
257 static int ebcdic_new(BIO *bi);
258 static int ebcdic_free(BIO *a);
259 static int ebcdic_read(BIO *b, char *out, int outl);
260 static int ebcdic_write(BIO *b, char *in, int inl);
261 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
262 static int ebcdic_gets(BIO *bp, char *buf, int size);
263 static int ebcdic_puts(BIO *bp, char *str);
265 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
266 static BIO_METHOD methods_ebcdic=
268 BIO_TYPE_EBCDIC_FILTER,
269 "EBCDIC/ASCII filter",
285 BIO_METHOD *BIO_f_ebcdic_filter()
287 return(&methods_ebcdic);
290 static int ebcdic_new(BIO *bi)
292 EBCDIC_OUTBUFF *wbuf;
294 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
295 wbuf->alloced = 1024;
296 wbuf->buff[0] = '\0';
298 bi->ptr=(char *)wbuf;
304 static int ebcdic_free(BIO *a)
306 if (a == NULL) return(0);
308 OPENSSL_free(a->ptr);
315 static int ebcdic_read(BIO *b, char *out, int outl)
319 if (out == NULL || outl == 0) return(0);
320 if (b->next_bio == NULL) return(0);
322 ret=BIO_read(b->next_bio,out,outl);
324 ascii2ebcdic(out,out,ret);
328 static int ebcdic_write(BIO *b, char *in, int inl)
330 EBCDIC_OUTBUFF *wbuf;
335 if ((in == NULL) || (inl <= 0)) return(0);
336 if (b->next_bio == NULL) return(0);
338 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
340 if (inl > (num = wbuf->alloced))
342 num = num + num; /* double the size */
346 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
349 wbuf->buff[0] = '\0';
354 ebcdic2ascii(wbuf->buff, in, inl);
356 ret=BIO_write(b->next_bio, wbuf->buff, inl);
361 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
365 if (b->next_bio == NULL) return(0);
372 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
378 static int ebcdic_gets(BIO *bp, char *buf, int size)
381 if (bp->next_bio == NULL) return(0);
382 /* return(BIO_gets(bp->next_bio,buf,size));*/
383 for (i=0; i<size-1; ++i)
385 ret = ebcdic_read(bp,&buf[i],1);
388 else if (buf[i] == '\n')
396 return (ret < 0 && i == 0) ? ret : i;
399 static int ebcdic_puts(BIO *bp, char *str)
401 if (bp->next_bio == NULL) return(0);
402 return ebcdic_write(bp, str, strlen(str));
406 int MAIN(int, char **);
408 int MAIN(int argc, char *argv[])
411 char *CApath=NULL,*CAfile=NULL;
412 char *context = NULL;
417 int no_tmp_rsa=0,no_dhe=0,nocert=0;
419 SSL_METHOD *meth=NULL;
423 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
424 meth=SSLv23_server_method();
425 #elif !defined(OPENSSL_NO_SSL3)
426 meth=SSLv3_server_method();
427 #elif !defined(OPENSSL_NO_SSL2)
428 meth=SSLv2_server_method();
440 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
453 if ((strcmp(*argv,"-port") == 0) ||
454 (strcmp(*argv,"-accept") == 0))
456 if (--argc < 1) goto bad;
457 if (!extract_port(*(++argv),&port))
460 else if (strcmp(*argv,"-verify") == 0)
462 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
463 if (--argc < 1) goto bad;
464 verify_depth=atoi(*(++argv));
465 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
467 else if (strcmp(*argv,"-Verify") == 0)
469 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
470 SSL_VERIFY_CLIENT_ONCE;
471 if (--argc < 1) goto bad;
472 verify_depth=atoi(*(++argv));
473 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
475 else if (strcmp(*argv,"-context") == 0)
477 if (--argc < 1) goto bad;
480 else if (strcmp(*argv,"-cert") == 0)
482 if (--argc < 1) goto bad;
483 s_cert_file= *(++argv);
485 else if (strcmp(*argv,"-key") == 0)
487 if (--argc < 1) goto bad;
488 s_key_file= *(++argv);
490 else if (strcmp(*argv,"-dhparam") == 0)
492 if (--argc < 1) goto bad;
495 else if (strcmp(*argv,"-dcert") == 0)
497 if (--argc < 1) goto bad;
498 s_dcert_file= *(++argv);
500 else if (strcmp(*argv,"-dkey") == 0)
502 if (--argc < 1) goto bad;
503 s_dkey_file= *(++argv);
505 else if (strcmp(*argv,"-nocert") == 0)
509 else if (strcmp(*argv,"-CApath") == 0)
511 if (--argc < 1) goto bad;
514 else if (strcmp(*argv,"-serverpref") == 0)
515 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
516 else if (strcmp(*argv,"-cipher") == 0)
518 if (--argc < 1) goto bad;
521 else if (strcmp(*argv,"-CAfile") == 0)
523 if (--argc < 1) goto bad;
527 else if (strcmp(*argv,"-nbio") == 0)
530 else if (strcmp(*argv,"-nbio_test") == 0)
537 else if (strcmp(*argv,"-debug") == 0)
539 else if (strcmp(*argv,"-hack") == 0)
541 else if (strcmp(*argv,"-state") == 0)
543 else if (strcmp(*argv,"-crlf") == 0)
545 else if (strcmp(*argv,"-quiet") == 0)
547 else if (strcmp(*argv,"-bugs") == 0)
549 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
551 else if (strcmp(*argv,"-no_dhe") == 0)
553 else if (strcmp(*argv,"-www") == 0)
555 else if (strcmp(*argv,"-WWW") == 0)
557 else if (strcmp(*argv,"-no_ssl2") == 0)
558 { off|=SSL_OP_NO_SSLv2; }
559 else if (strcmp(*argv,"-no_ssl3") == 0)
560 { off|=SSL_OP_NO_SSLv3; }
561 else if (strcmp(*argv,"-no_tls1") == 0)
562 { off|=SSL_OP_NO_TLSv1; }
563 #ifndef OPENSSL_NO_SSL2
564 else if (strcmp(*argv,"-ssl2") == 0)
565 { meth=SSLv2_server_method(); }
567 #ifndef OPENSSL_NO_SSL3
568 else if (strcmp(*argv,"-ssl3") == 0)
569 { meth=SSLv3_server_method(); }
571 #ifndef OPENSSL_NO_TLS1
572 else if (strcmp(*argv,"-tls1") == 0)
573 { meth=TLSv1_server_method(); }
575 else if (strcmp(*argv,"-engine") == 0)
577 if (--argc < 1) goto bad;
578 engine_id= *(++argv);
580 else if (strcmp(*argv,"-rand") == 0)
582 if (--argc < 1) goto bad;
587 BIO_printf(bio_err,"unknown option %s\n",*argv);
601 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
604 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
607 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
608 app_RAND_load_files(inrand));
610 if (bio_s_out == NULL)
612 if (s_quiet && !s_debug)
614 bio_s_out=BIO_new(BIO_s_null());
618 if (bio_s_out == NULL)
619 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
623 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)
633 SSL_load_error_strings();
634 OpenSSL_add_ssl_algorithms();
636 if (engine_id != NULL)
638 if((e = ENGINE_by_id(engine_id)) == NULL)
640 BIO_printf(bio_err,"invalid engine\n");
641 ERR_print_errors(bio_err);
646 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
649 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
651 BIO_printf(bio_err,"can't use that engine\n");
652 ERR_print_errors(bio_err);
655 BIO_printf(bio_err,"engine \"%s\" set.\n", engine_id);
659 ctx=SSL_CTX_new(meth);
662 ERR_print_errors(bio_err);
666 SSL_CTX_set_quiet_shutdown(ctx,1);
667 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
668 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
669 SSL_CTX_set_options(ctx,off);
670 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
672 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
674 SSL_CTX_sess_set_cache_size(ctx,128);
677 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
681 if (s_cert_file == NULL)
683 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
688 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
689 (!SSL_CTX_set_default_verify_paths(ctx)))
691 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
692 ERR_print_errors(bio_err);
696 #ifndef OPENSSL_NO_DH
702 dh = load_dh_param(dhfile);
703 else if (s_cert_file)
704 dh = load_dh_param(s_cert_file);
708 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
712 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
715 (void)BIO_flush(bio_s_out);
717 SSL_CTX_set_tmp_dh(ctx,dh);
722 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
724 if (s_dcert_file != NULL)
726 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
730 #ifndef OPENSSL_NO_RSA
732 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
734 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
738 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
739 BIO_flush(bio_s_out);
741 rsa=RSA_generate_key(512,RSA_F4,NULL);
743 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
745 ERR_print_errors(bio_err);
749 BIO_printf(bio_s_out,"\n");
755 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
756 BIO_printf(bio_err,"error setting cipher list\n");
757 ERR_print_errors(bio_err);
760 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
761 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
762 sizeof s_server_session_id_context);
765 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
767 BIO_printf(bio_s_out,"ACCEPT\n");
769 do_server(port,&accept_socket,www_body, context);
771 do_server(port,&accept_socket,sv_body, context);
772 print_stats(bio_s_out,ctx);
775 if (ctx != NULL) SSL_CTX_free(ctx);
776 if (bio_s_out != NULL)
784 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
786 BIO_printf(bio,"%4ld items in the session cache\n",
787 SSL_CTX_sess_number(ssl_ctx));
788 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
789 SSL_CTX_sess_connect(ssl_ctx));
790 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
791 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
792 BIO_printf(bio,"%4d client connects that finished\n",
793 SSL_CTX_sess_connect_good(ssl_ctx));
794 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
795 SSL_CTX_sess_accept(ssl_ctx));
796 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
797 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
798 BIO_printf(bio,"%4d server accepts that finished\n",
799 SSL_CTX_sess_accept_good(ssl_ctx));
800 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
801 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
802 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
803 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
804 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
805 SSL_CTX_sess_cache_full(ssl_ctx),
806 SSL_CTX_sess_get_cache_size(ssl_ctx));
809 static int sv_body(char *hostname, int s, unsigned char *context)
818 #ifdef OPENSSL_SYS_WINDOWS
822 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
824 BIO_printf(bio_err,"out of memory\n");
833 BIO_printf(bio_err,"turning on non blocking io\n");
834 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
835 ERR_print_errors(bio_err);
841 #ifndef OPENSSL_NO_KRB5
842 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
844 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
845 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
847 #endif /* OPENSSL_NO_KRB5 */
849 SSL_set_session_id_context(con, context,
850 strlen((char *)context));
854 sbio=BIO_new_socket(s,BIO_NOCLOSE);
859 test=BIO_new(BIO_f_nbio_test());
860 sbio=BIO_push(test,sbio);
862 SSL_set_bio(con,sbio,sbio);
863 SSL_set_accept_state(con);
864 /* SSL_set_fd(con,s); */
869 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
870 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
876 int read_from_terminal;
877 int read_from_sslcon;
879 read_from_terminal = 0;
880 read_from_sslcon = SSL_pending(con);
882 if (!read_from_sslcon)
885 #ifndef OPENSSL_SYS_WINDOWS
886 FD_SET(fileno(stdin),&readfds);
889 /* Note: under VMS with SOCKETSHR the second parameter is
890 * currently of type (int *) whereas under other systems
891 * it is (void *) if you don't have a cast it will choke
892 * the compiler: if you do have a cast then you can either
893 * go for (int *) or (void *).
895 #ifdef OPENSSL_SYS_WINDOWS
896 /* Under Windows we can't select on stdin: only
897 * on sockets. As a workaround we timeout the select every
898 * second and check for any keypress. In a proper Windows
899 * application we wouldn't do this because it is inefficient.
903 i=select(width,(void *)&readfds,NULL,NULL,&tv);
904 if((i < 0) || (!i && !_kbhit() ) )continue;
906 read_from_terminal = 1;
908 i=select(width,(void *)&readfds,NULL,NULL,NULL);
909 if (i <= 0) continue;
910 if (FD_ISSET(fileno(stdin),&readfds))
911 read_from_terminal = 1;
913 if (FD_ISSET(s,&readfds))
914 read_from_sslcon = 1;
916 if (read_from_terminal)
922 i=read(fileno(stdin), buf, bufsize/2);
924 /* both loops are skipped when i <= 0 */
925 for (j = 0; j < i; j++)
928 for (j = i-1; j >= 0; j--)
930 buf[j+lf_num] = buf[j];
935 buf[j+lf_num] = '\r';
941 i=read(fileno(stdin),buf,bufsize);
944 if ((i <= 0) || (buf[0] == 'Q'))
946 BIO_printf(bio_s_out,"DONE\n");
948 close_accept_socket();
952 if ((i <= 0) || (buf[0] == 'q'))
954 BIO_printf(bio_s_out,"DONE\n");
956 /* close_accept_socket();
960 if ((buf[0] == 'r') &&
961 ((buf[1] == '\n') || (buf[1] == '\r')))
963 SSL_renegotiate(con);
964 i=SSL_do_handshake(con);
965 printf("SSL_do_handshake -> %d\n",i);
968 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
970 if ((buf[0] == 'R') &&
971 ((buf[1] == '\n') || (buf[1] == '\r')))
974 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
975 SSL_renegotiate(con);
976 i=SSL_do_handshake(con);
977 printf("SSL_do_handshake -> %d\n",i);
980 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
984 static char *str="Lets print some clear text\n";
985 BIO_write(SSL_get_wbio(con),str,strlen(str));
989 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
992 #ifdef CHARSET_EBCDIC
993 ebcdic2ascii(buf,buf,i);
998 /* should do a select for the write */
1000 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1002 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1003 switch (SSL_get_error(con,k))
1005 case SSL_ERROR_NONE:
1007 case SSL_ERROR_WANT_WRITE:
1008 case SSL_ERROR_WANT_READ:
1009 case SSL_ERROR_WANT_X509_LOOKUP:
1010 BIO_printf(bio_s_out,"Write BLOCK\n");
1012 case SSL_ERROR_SYSCALL:
1014 BIO_printf(bio_s_out,"ERROR\n");
1015 ERR_print_errors(bio_err);
1019 case SSL_ERROR_ZERO_RETURN:
1020 BIO_printf(bio_s_out,"DONE\n");
1029 if (read_from_sslcon)
1031 if (!SSL_is_init_finished(con))
1033 i=init_ssl_connection(con);
1049 i=SSL_read(con,(char *)buf,bufsize);
1050 switch (SSL_get_error(con,i))
1052 case SSL_ERROR_NONE:
1053 #ifdef CHARSET_EBCDIC
1054 ascii2ebcdic(buf,buf,i);
1056 write(fileno(stdout),buf,
1058 if (SSL_pending(con)) goto again;
1060 case SSL_ERROR_WANT_WRITE:
1061 case SSL_ERROR_WANT_READ:
1062 case SSL_ERROR_WANT_X509_LOOKUP:
1063 BIO_printf(bio_s_out,"Read BLOCK\n");
1065 case SSL_ERROR_SYSCALL:
1067 BIO_printf(bio_s_out,"ERROR\n");
1068 ERR_print_errors(bio_err);
1071 case SSL_ERROR_ZERO_RETURN:
1072 BIO_printf(bio_s_out,"DONE\n");
1080 BIO_printf(bio_s_out,"shutting down SSL\n");
1082 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1086 if (con != NULL) SSL_free(con);
1087 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1090 memset(buf,0,bufsize);
1094 BIO_printf(bio_s_out,"ACCEPT\n");
1098 static void close_accept_socket(void)
1100 BIO_printf(bio_err,"shutdown accept socket\n");
1101 if (accept_socket >= 0)
1103 SHUTDOWN2(accept_socket);
1107 static int init_ssl_connection(SSL *con)
1113 MS_STATIC char buf[BUFSIZ];
1115 if ((i=SSL_accept(con)) <= 0)
1117 if (BIO_sock_should_retry(i))
1119 BIO_printf(bio_s_out,"DELAY\n");
1123 BIO_printf(bio_err,"ERROR\n");
1124 verify_error=SSL_get_verify_result(con);
1125 if (verify_error != X509_V_OK)
1127 BIO_printf(bio_err,"verify error:%s\n",
1128 X509_verify_cert_error_string(verify_error));
1131 ERR_print_errors(bio_err);
1135 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1137 peer=SSL_get_peer_certificate(con);
1140 BIO_printf(bio_s_out,"Client certificate\n");
1141 PEM_write_bio_X509(bio_s_out,peer);
1142 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1143 BIO_printf(bio_s_out,"subject=%s\n",buf);
1144 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1145 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1149 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1150 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1151 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1152 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1153 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1154 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1155 TLS1_FLAGS_TLS_PADDING_BUG)
1156 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1161 #ifndef OPENSSL_NO_DH
1162 static DH *load_dh_param(char *dhfile)
1167 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1169 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1171 if (bio != NULL) BIO_free(bio);
1177 static int load_CA(SSL_CTX *ctx, char *file)
1182 if ((in=fopen(file,"r")) == NULL)
1187 if (PEM_read_X509(in,&x,NULL) == NULL)
1189 SSL_CTX_add_client_CA(ctx,x);
1191 if (x != NULL) X509_free(x);
1197 static int www_body(char *hostname, int s, unsigned char *context)
1201 int i,j,k,blank,dot;
1205 BIO *io,*ssl_bio,*sbio;
1208 buf=OPENSSL_malloc(bufsize);
1209 if (buf == NULL) return(0);
1210 io=BIO_new(BIO_f_buffer());
1211 ssl_bio=BIO_new(BIO_f_ssl());
1212 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1220 BIO_printf(bio_err,"turning on non blocking io\n");
1221 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1222 ERR_print_errors(bio_err);
1226 /* lets make the output buffer a reasonable size */
1227 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1229 if ((con=SSL_new(ctx)) == NULL) goto err;
1230 if(context) SSL_set_session_id_context(con, context,
1231 strlen((char *)context));
1233 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1238 test=BIO_new(BIO_f_nbio_test());
1239 sbio=BIO_push(test,sbio);
1241 SSL_set_bio(con,sbio,sbio);
1242 SSL_set_accept_state(con);
1244 /* SSL_set_fd(con,s); */
1245 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1246 BIO_push(io,ssl_bio);
1247 #ifdef CHARSET_EBCDIC
1248 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1254 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1255 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1265 switch (SSL_get_error(con,i))
1267 case SSL_ERROR_NONE:
1269 case SSL_ERROR_WANT_WRITE:
1270 case SSL_ERROR_WANT_READ:
1271 case SSL_ERROR_WANT_X509_LOOKUP:
1273 case SSL_ERROR_SYSCALL:
1275 case SSL_ERROR_ZERO_RETURN:
1281 SSL_renegotiate(con);
1282 SSL_write(con,NULL,0);
1285 i=BIO_gets(io,buf,bufsize-1);
1286 if (i < 0) /* error */
1288 if (!BIO_should_retry(io))
1291 ERR_print_errors(bio_err);
1296 BIO_printf(bio_s_out,"read R BLOCK\n");
1297 #ifndef OPENSSL_SYS_MSDOS
1303 else if (i == 0) /* end of input */
1309 /* else we have data */
1310 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1311 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1315 STACK_OF(SSL_CIPHER) *sk;
1316 static char *space=" ";
1318 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1319 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1320 BIO_puts(io,"<pre>\n");
1321 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1323 for (i=0; i<local_argc; i++)
1325 BIO_puts(io,local_argv[i]);
1326 BIO_write(io," ",1);
1330 /* The following is evil and should not really
1332 BIO_printf(io,"Ciphers supported in s_server binary\n");
1333 sk=SSL_get_ciphers(con);
1334 j=sk_SSL_CIPHER_num(sk);
1337 c=sk_SSL_CIPHER_value(sk,i);
1338 BIO_printf(io,"%-11s:%-25s",
1339 SSL_CIPHER_get_version(c),
1340 SSL_CIPHER_get_name(c));
1341 if ((((i+1)%2) == 0) && (i+1 != j))
1345 p=SSL_get_shared_ciphers(con,buf,bufsize);
1348 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1354 BIO_write(io,space,26-j);
1357 BIO_write(io,((i%3)?" ":"\n"),1);
1368 BIO_printf(io,((con->hit)
1371 c=SSL_get_current_cipher(con);
1372 BIO_printf(io,"%s, Cipher is %s\n",
1373 SSL_CIPHER_get_version(c),
1374 SSL_CIPHER_get_name(c));
1375 SSL_SESSION_print(io,SSL_get_session(con));
1376 BIO_printf(io,"---\n");
1377 print_stats(io,SSL_get_SSL_CTX(con));
1378 BIO_printf(io,"---\n");
1379 peer=SSL_get_peer_certificate(con);
1382 BIO_printf(io,"Client certificate\n");
1383 X509_print(io,peer);
1384 PEM_write_bio_X509(io,peer);
1387 BIO_puts(io,"no client certificate available\n");
1388 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1391 else if ((www == 2) && (strncmp("GET /",buf,5) == 0))
1395 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1400 for (e=p; *e != '\0'; e++)
1402 if (e[0] == ' ') break;
1403 if ( (e[0] == '.') &&
1404 (strncmp(&(e[-1]),"/../",4) == 0))
1412 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1420 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1427 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1431 /* append if a directory lookup */
1433 strcat(p,"index.html");
1435 /* if a directory, do the index thang */
1436 if (stat(p,&st_buf) < 0)
1439 BIO_printf(io,"Error accessing '%s'\r\n",p);
1440 ERR_print_errors(io);
1443 if (S_ISDIR(st_buf.st_mode))
1445 strcat(p,"/index.html");
1448 if ((file=BIO_new_file(p,"r")) == NULL)
1451 BIO_printf(io,"Error opening '%s'\r\n",p);
1452 ERR_print_errors(io);
1457 BIO_printf(bio_err,"FILE:%s\n",p);
1460 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1461 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1462 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1463 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1465 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1470 i=BIO_read(file,buf,bufsize);
1475 fprintf(stderr,"%d\n",i);
1476 if (total_bytes > 3*1024)
1479 fprintf(stderr,"RENEGOTIATE\n");
1480 SSL_renegotiate(con);
1487 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1489 k=BIO_write(io,&(buf[j]),i-j);
1492 if (!BIO_should_retry(io))
1496 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1513 i=(int)BIO_flush(io);
1516 if (!BIO_should_retry(io))
1524 /* make sure we re-use sessions */
1525 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1527 /* This kills performance */
1528 /* SSL_shutdown(con); A shutdown gets sent in the
1529 * BIO_free_all(io) procession */
1535 BIO_printf(bio_s_out,"ACCEPT\n");
1537 if (buf != NULL) OPENSSL_free(buf);
1538 if (io != NULL) BIO_free_all(io);
1539 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1543 #ifndef OPENSSL_NO_RSA
1544 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1546 static RSA *rsa_tmp=NULL;
1548 if (rsa_tmp == NULL)
1552 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1553 (void)BIO_flush(bio_err);
1555 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1558 BIO_printf(bio_err,"\n");
1559 (void)BIO_flush(bio_err);