2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
116 #include <sys/types.h>
117 #include <sys/stat.h>
118 #include <openssl/e_os2.h>
119 #ifdef OPENSSL_NO_STDIO
123 /* With IPv6, it looks like Digital has mixed up the proper order of
124 recursive header file inclusion, resulting in the compiler complaining
125 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
126 is needed to have fileno() declared correctly... So let's define u_int */
127 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
129 typedef unsigned int u_int;
132 #include <openssl/lhash.h>
133 #include <openssl/bn.h>
136 #include <openssl/err.h>
137 #include <openssl/pem.h>
138 #include <openssl/x509.h>
139 #include <openssl/ssl.h>
140 #include <openssl/rand.h>
143 #ifdef OPENSSL_SYS_WINDOWS
147 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
148 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
152 #ifndef OPENSSL_NO_RSA
153 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
155 static int sv_body(char *hostname, int s, unsigned char *context);
156 static int www_body(char *hostname, int s, unsigned char *context);
157 static void close_accept_socket(void );
158 static void sv_usage(void);
159 static int init_ssl_connection(SSL *s);
160 static void print_stats(BIO *bp,SSL_CTX *ctx);
161 static int generate_session_id(const SSL *ssl, unsigned char *id,
162 unsigned int *id_len);
163 #ifndef OPENSSL_NO_DH
164 static DH *load_dh_param(char *dhfile);
165 static DH *get_dh512(void);
168 static void s_server_init(void);
172 # if defined(_S_IFMT) && defined(_S_IFDIR)
173 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
175 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
179 #ifndef OPENSSL_NO_DH
180 static unsigned char dh512_p[]={
181 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
182 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
183 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
184 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
185 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
188 static unsigned char dh512_g[]={
192 static DH *get_dh512(void)
196 if ((dh=DH_new()) == NULL) return(NULL);
197 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
198 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
199 if ((dh->p == NULL) || (dh->g == NULL))
205 /* static int load_CA(SSL_CTX *ctx, char *file);*/
208 #define BUFSIZZ 16*1024
209 static int bufsize=BUFSIZZ;
210 static int accept_socket= -1;
212 #define TEST_CERT "server.pem"
214 #define PROG s_server_main
216 extern int verify_depth;
218 static char *cipher=NULL;
219 static int s_server_verify=SSL_VERIFY_NONE;
220 static int s_server_session_id_context = 1; /* anything will do */
221 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
222 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
226 static int s_nbio_test=0;
228 static SSL_CTX *ctx=NULL;
231 static BIO *bio_s_out=NULL;
232 static int s_debug=0;
234 static int s_quiet=0;
237 static char *engine_id=NULL;
238 static const char *session_id_prefix=NULL;
241 static void s_server_init(void)
245 s_server_verify=SSL_VERIFY_NONE;
248 s_cert_file=TEST_CERT;
266 static void sv_usage(void)
268 BIO_printf(bio_err,"usage: s_server [args ...]\n");
269 BIO_printf(bio_err,"\n");
270 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
271 BIO_printf(bio_err," -context arg - set session ID context\n");
272 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
273 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
274 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
275 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
276 BIO_printf(bio_err," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
277 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
278 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
279 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
280 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
281 BIO_printf(bio_err," or a default set of parameters is used\n");
283 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
285 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
286 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
287 BIO_printf(bio_err," -debug - Print more output\n");
288 BIO_printf(bio_err," -msg - Show protocol messages\n");
289 BIO_printf(bio_err," -state - Print the SSL states\n");
290 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
291 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
292 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
293 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
294 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
295 BIO_printf(bio_err," -quiet - No server output\n");
296 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
297 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
298 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
299 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
300 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
301 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
302 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
303 #ifndef OPENSSL_NO_DH
304 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
306 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
307 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
308 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
309 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
310 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
311 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
312 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
313 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
316 static int local_argc=0;
317 static char **local_argv;
319 #ifdef CHARSET_EBCDIC
320 static int ebcdic_new(BIO *bi);
321 static int ebcdic_free(BIO *a);
322 static int ebcdic_read(BIO *b, char *out, int outl);
323 static int ebcdic_write(BIO *b, char *in, int inl);
324 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
325 static int ebcdic_gets(BIO *bp, char *buf, int size);
326 static int ebcdic_puts(BIO *bp, char *str);
328 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
329 static BIO_METHOD methods_ebcdic=
331 BIO_TYPE_EBCDIC_FILTER,
332 "EBCDIC/ASCII filter",
348 BIO_METHOD *BIO_f_ebcdic_filter()
350 return(&methods_ebcdic);
353 static int ebcdic_new(BIO *bi)
355 EBCDIC_OUTBUFF *wbuf;
357 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
358 wbuf->alloced = 1024;
359 wbuf->buff[0] = '\0';
361 bi->ptr=(char *)wbuf;
367 static int ebcdic_free(BIO *a)
369 if (a == NULL) return(0);
371 OPENSSL_free(a->ptr);
378 static int ebcdic_read(BIO *b, char *out, int outl)
382 if (out == NULL || outl == 0) return(0);
383 if (b->next_bio == NULL) return(0);
385 ret=BIO_read(b->next_bio,out,outl);
387 ascii2ebcdic(out,out,ret);
391 static int ebcdic_write(BIO *b, char *in, int inl)
393 EBCDIC_OUTBUFF *wbuf;
398 if ((in == NULL) || (inl <= 0)) return(0);
399 if (b->next_bio == NULL) return(0);
401 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
403 if (inl > (num = wbuf->alloced))
405 num = num + num; /* double the size */
409 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
412 wbuf->buff[0] = '\0';
417 ebcdic2ascii(wbuf->buff, in, inl);
419 ret=BIO_write(b->next_bio, wbuf->buff, inl);
424 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
428 if (b->next_bio == NULL) return(0);
435 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
441 static int ebcdic_gets(BIO *bp, char *buf, int size)
444 if (bp->next_bio == NULL) return(0);
445 /* return(BIO_gets(bp->next_bio,buf,size));*/
446 for (i=0; i<size-1; ++i)
448 ret = ebcdic_read(bp,&buf[i],1);
451 else if (buf[i] == '\n')
459 return (ret < 0 && i == 0) ? ret : i;
462 static int ebcdic_puts(BIO *bp, char *str)
464 if (bp->next_bio == NULL) return(0);
465 return ebcdic_write(bp, str, strlen(str));
469 int MAIN(int, char **);
471 int MAIN(int argc, char *argv[])
473 X509_STORE *store = NULL;
476 char *CApath=NULL,*CAfile=NULL;
477 char *context = NULL;
482 int no_tmp_rsa=0,no_dhe=0,nocert=0;
484 SSL_METHOD *meth=NULL;
488 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
489 meth=SSLv23_server_method();
490 #elif !defined(OPENSSL_NO_SSL3)
491 meth=SSLv3_server_method();
492 #elif !defined(OPENSSL_NO_SSL2)
493 meth=SSLv2_server_method();
505 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
518 if ((strcmp(*argv,"-port") == 0) ||
519 (strcmp(*argv,"-accept") == 0))
521 if (--argc < 1) goto bad;
522 if (!extract_port(*(++argv),&port))
525 else if (strcmp(*argv,"-verify") == 0)
527 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
528 if (--argc < 1) goto bad;
529 verify_depth=atoi(*(++argv));
530 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
532 else if (strcmp(*argv,"-Verify") == 0)
534 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
535 SSL_VERIFY_CLIENT_ONCE;
536 if (--argc < 1) goto bad;
537 verify_depth=atoi(*(++argv));
538 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
540 else if (strcmp(*argv,"-context") == 0)
542 if (--argc < 1) goto bad;
545 else if (strcmp(*argv,"-cert") == 0)
547 if (--argc < 1) goto bad;
548 s_cert_file= *(++argv);
550 else if (strcmp(*argv,"-key") == 0)
552 if (--argc < 1) goto bad;
553 s_key_file= *(++argv);
555 else if (strcmp(*argv,"-dhparam") == 0)
557 if (--argc < 1) goto bad;
560 else if (strcmp(*argv,"-dcert") == 0)
562 if (--argc < 1) goto bad;
563 s_dcert_file= *(++argv);
565 else if (strcmp(*argv,"-dkey") == 0)
567 if (--argc < 1) goto bad;
568 s_dkey_file= *(++argv);
570 else if (strcmp(*argv,"-nocert") == 0)
574 else if (strcmp(*argv,"-CApath") == 0)
576 if (--argc < 1) goto bad;
579 else if (strcmp(*argv,"-crl_check") == 0)
581 vflags |= X509_V_FLAG_CRL_CHECK;
583 else if (strcmp(*argv,"-crl_check") == 0)
585 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
587 else if (strcmp(*argv,"-serverpref") == 0)
588 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
589 else if (strcmp(*argv,"-cipher") == 0)
591 if (--argc < 1) goto bad;
594 else if (strcmp(*argv,"-CAfile") == 0)
596 if (--argc < 1) goto bad;
600 else if (strcmp(*argv,"-nbio") == 0)
603 else if (strcmp(*argv,"-nbio_test") == 0)
610 else if (strcmp(*argv,"-debug") == 0)
612 else if (strcmp(*argv,"-msg") == 0)
614 else if (strcmp(*argv,"-hack") == 0)
616 else if (strcmp(*argv,"-state") == 0)
618 else if (strcmp(*argv,"-crlf") == 0)
620 else if (strcmp(*argv,"-quiet") == 0)
622 else if (strcmp(*argv,"-bugs") == 0)
624 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
626 else if (strcmp(*argv,"-no_dhe") == 0)
628 else if (strcmp(*argv,"-www") == 0)
630 else if (strcmp(*argv,"-WWW") == 0)
632 else if (strcmp(*argv,"-HTTP") == 0)
634 else if (strcmp(*argv,"-no_ssl2") == 0)
635 { off|=SSL_OP_NO_SSLv2; }
636 else if (strcmp(*argv,"-no_ssl3") == 0)
637 { off|=SSL_OP_NO_SSLv3; }
638 else if (strcmp(*argv,"-no_tls1") == 0)
639 { off|=SSL_OP_NO_TLSv1; }
640 #ifndef OPENSSL_NO_SSL2
641 else if (strcmp(*argv,"-ssl2") == 0)
642 { meth=SSLv2_server_method(); }
644 #ifndef OPENSSL_NO_SSL3
645 else if (strcmp(*argv,"-ssl3") == 0)
646 { meth=SSLv3_server_method(); }
648 #ifndef OPENSSL_NO_TLS1
649 else if (strcmp(*argv,"-tls1") == 0)
650 { meth=TLSv1_server_method(); }
652 else if (strcmp(*argv, "-id_prefix") == 0)
654 if (--argc < 1) goto bad;
655 session_id_prefix = *(++argv);
657 else if (strcmp(*argv,"-engine") == 0)
659 if (--argc < 1) goto bad;
660 engine_id= *(++argv);
662 else if (strcmp(*argv,"-rand") == 0)
664 if (--argc < 1) goto bad;
669 BIO_printf(bio_err,"unknown option %s\n",*argv);
683 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
686 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
689 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
690 app_RAND_load_files(inrand));
692 if (bio_s_out == NULL)
694 if (s_quiet && !s_debug && !s_msg)
696 bio_s_out=BIO_new(BIO_s_null());
700 if (bio_s_out == NULL)
701 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
705 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)
715 SSL_load_error_strings();
716 OpenSSL_add_ssl_algorithms();
718 e = setup_engine(bio_err, engine_id, 1);
720 ctx=SSL_CTX_new(meth);
723 ERR_print_errors(bio_err);
726 if (session_id_prefix)
728 if(strlen(session_id_prefix) >= 32)
730 "warning: id_prefix is too long, only one new session will be possible\n");
731 else if(strlen(session_id_prefix) >= 16)
733 "warning: id_prefix is too long if you use SSLv2\n");
734 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
736 BIO_printf(bio_err,"error setting 'id_prefix'\n");
737 ERR_print_errors(bio_err);
740 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
742 SSL_CTX_set_quiet_shutdown(ctx,1);
743 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
744 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
745 SSL_CTX_set_options(ctx,off);
747 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
749 SSL_CTX_sess_set_cache_size(ctx,128);
752 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
756 if (s_cert_file == NULL)
758 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
763 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
764 (!SSL_CTX_set_default_verify_paths(ctx)))
766 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
767 ERR_print_errors(bio_err);
770 store = SSL_CTX_get_cert_store(ctx);
771 X509_STORE_set_flags(store, vflags);
773 #ifndef OPENSSL_NO_DH
779 dh = load_dh_param(dhfile);
780 else if (s_cert_file)
781 dh = load_dh_param(s_cert_file);
785 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
789 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
792 (void)BIO_flush(bio_s_out);
794 SSL_CTX_set_tmp_dh(ctx,dh);
799 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
801 if (s_dcert_file != NULL)
803 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
807 #ifndef OPENSSL_NO_RSA
810 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
812 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
816 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
817 BIO_flush(bio_s_out);
819 rsa=RSA_generate_key(512,RSA_F4,NULL);
821 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
823 ERR_print_errors(bio_err);
827 BIO_printf(bio_s_out,"\n");
833 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
834 BIO_printf(bio_err,"error setting cipher list\n");
835 ERR_print_errors(bio_err);
838 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
839 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
840 sizeof s_server_session_id_context);
843 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
845 BIO_printf(bio_s_out,"ACCEPT\n");
847 do_server(port,&accept_socket,www_body, context);
849 do_server(port,&accept_socket,sv_body, context);
850 print_stats(bio_s_out,ctx);
853 if (ctx != NULL) SSL_CTX_free(ctx);
854 if (bio_s_out != NULL)
863 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
865 BIO_printf(bio,"%4ld items in the session cache\n",
866 SSL_CTX_sess_number(ssl_ctx));
867 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
868 SSL_CTX_sess_connect(ssl_ctx));
869 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
870 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
871 BIO_printf(bio,"%4d client connects that finished\n",
872 SSL_CTX_sess_connect_good(ssl_ctx));
873 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
874 SSL_CTX_sess_accept(ssl_ctx));
875 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
876 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
877 BIO_printf(bio,"%4d server accepts that finished\n",
878 SSL_CTX_sess_accept_good(ssl_ctx));
879 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
880 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
881 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
882 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
883 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
884 SSL_CTX_sess_cache_full(ssl_ctx),
885 SSL_CTX_sess_get_cache_size(ssl_ctx));
888 static int sv_body(char *hostname, int s, unsigned char *context)
897 #ifdef OPENSSL_SYS_WINDOWS
901 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
903 BIO_printf(bio_err,"out of memory\n");
912 BIO_printf(bio_err,"turning on non blocking io\n");
913 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
914 ERR_print_errors(bio_err);
920 #ifndef OPENSSL_NO_KRB5
921 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
923 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
925 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
928 #endif /* OPENSSL_NO_KRB5 */
930 SSL_set_session_id_context(con, context,
931 strlen((char *)context));
935 sbio=BIO_new_socket(s,BIO_NOCLOSE);
940 test=BIO_new(BIO_f_nbio_test());
941 sbio=BIO_push(test,sbio);
943 SSL_set_bio(con,sbio,sbio);
944 SSL_set_accept_state(con);
945 /* SSL_set_fd(con,s); */
950 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
951 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
955 SSL_set_msg_callback(con, msg_cb);
956 SSL_set_msg_callback_arg(con, bio_s_out);
962 int read_from_terminal;
963 int read_from_sslcon;
965 read_from_terminal = 0;
966 read_from_sslcon = SSL_pending(con);
968 if (!read_from_sslcon)
971 #ifndef OPENSSL_SYS_WINDOWS
972 FD_SET(fileno(stdin),&readfds);
975 /* Note: under VMS with SOCKETSHR the second parameter is
976 * currently of type (int *) whereas under other systems
977 * it is (void *) if you don't have a cast it will choke
978 * the compiler: if you do have a cast then you can either
979 * go for (int *) or (void *).
981 #ifdef OPENSSL_SYS_WINDOWS
982 /* Under Windows we can't select on stdin: only
983 * on sockets. As a workaround we timeout the select every
984 * second and check for any keypress. In a proper Windows
985 * application we wouldn't do this because it is inefficient.
989 i=select(width,(void *)&readfds,NULL,NULL,&tv);
990 if((i < 0) || (!i && !_kbhit() ) )continue;
992 read_from_terminal = 1;
994 i=select(width,(void *)&readfds,NULL,NULL,NULL);
995 if (i <= 0) continue;
996 if (FD_ISSET(fileno(stdin),&readfds))
997 read_from_terminal = 1;
999 if (FD_ISSET(s,&readfds))
1000 read_from_sslcon = 1;
1002 if (read_from_terminal)
1008 i=read(fileno(stdin), buf, bufsize/2);
1010 /* both loops are skipped when i <= 0 */
1011 for (j = 0; j < i; j++)
1014 for (j = i-1; j >= 0; j--)
1016 buf[j+lf_num] = buf[j];
1021 buf[j+lf_num] = '\r';
1024 assert(lf_num == 0);
1027 i=read(fileno(stdin),buf,bufsize);
1030 if ((i <= 0) || (buf[0] == 'Q'))
1032 BIO_printf(bio_s_out,"DONE\n");
1034 close_accept_socket();
1038 if ((i <= 0) || (buf[0] == 'q'))
1040 BIO_printf(bio_s_out,"DONE\n");
1042 /* close_accept_socket();
1046 if ((buf[0] == 'r') &&
1047 ((buf[1] == '\n') || (buf[1] == '\r')))
1049 SSL_renegotiate(con);
1050 i=SSL_do_handshake(con);
1051 printf("SSL_do_handshake -> %d\n",i);
1054 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
1056 if ((buf[0] == 'R') &&
1057 ((buf[1] == '\n') || (buf[1] == '\r')))
1060 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1061 SSL_renegotiate(con);
1062 i=SSL_do_handshake(con);
1063 printf("SSL_do_handshake -> %d\n",i);
1066 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1070 static char *str="Lets print some clear text\n";
1071 BIO_write(SSL_get_wbio(con),str,strlen(str));
1075 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1078 #ifdef CHARSET_EBCDIC
1079 ebcdic2ascii(buf,buf,i);
1084 /* should do a select for the write */
1086 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1088 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1089 switch (SSL_get_error(con,k))
1091 case SSL_ERROR_NONE:
1093 case SSL_ERROR_WANT_WRITE:
1094 case SSL_ERROR_WANT_READ:
1095 case SSL_ERROR_WANT_X509_LOOKUP:
1096 BIO_printf(bio_s_out,"Write BLOCK\n");
1098 case SSL_ERROR_SYSCALL:
1100 BIO_printf(bio_s_out,"ERROR\n");
1101 ERR_print_errors(bio_err);
1105 case SSL_ERROR_ZERO_RETURN:
1106 BIO_printf(bio_s_out,"DONE\n");
1115 if (read_from_sslcon)
1117 if (!SSL_is_init_finished(con))
1119 i=init_ssl_connection(con);
1135 i=SSL_read(con,(char *)buf,bufsize);
1136 switch (SSL_get_error(con,i))
1138 case SSL_ERROR_NONE:
1139 #ifdef CHARSET_EBCDIC
1140 ascii2ebcdic(buf,buf,i);
1142 write(fileno(stdout),buf,
1144 if (SSL_pending(con)) goto again;
1146 case SSL_ERROR_WANT_WRITE:
1147 case SSL_ERROR_WANT_READ:
1148 case SSL_ERROR_WANT_X509_LOOKUP:
1149 BIO_printf(bio_s_out,"Read BLOCK\n");
1151 case SSL_ERROR_SYSCALL:
1153 BIO_printf(bio_s_out,"ERROR\n");
1154 ERR_print_errors(bio_err);
1157 case SSL_ERROR_ZERO_RETURN:
1158 BIO_printf(bio_s_out,"DONE\n");
1166 BIO_printf(bio_s_out,"shutting down SSL\n");
1168 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1172 if (con != NULL) SSL_free(con);
1173 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1176 memset(buf,0,bufsize);
1180 BIO_printf(bio_s_out,"ACCEPT\n");
1184 static void close_accept_socket(void)
1186 BIO_printf(bio_err,"shutdown accept socket\n");
1187 if (accept_socket >= 0)
1189 SHUTDOWN2(accept_socket);
1193 static int init_ssl_connection(SSL *con)
1199 MS_STATIC char buf[BUFSIZ];
1201 if ((i=SSL_accept(con)) <= 0)
1203 if (BIO_sock_should_retry(i))
1205 BIO_printf(bio_s_out,"DELAY\n");
1209 BIO_printf(bio_err,"ERROR\n");
1210 verify_error=SSL_get_verify_result(con);
1211 if (verify_error != X509_V_OK)
1213 BIO_printf(bio_err,"verify error:%s\n",
1214 X509_verify_cert_error_string(verify_error));
1217 ERR_print_errors(bio_err);
1221 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1223 peer=SSL_get_peer_certificate(con);
1226 BIO_printf(bio_s_out,"Client certificate\n");
1227 PEM_write_bio_X509(bio_s_out,peer);
1228 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1229 BIO_printf(bio_s_out,"subject=%s\n",buf);
1230 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1231 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1235 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1236 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1237 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1238 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1239 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1240 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1241 TLS1_FLAGS_TLS_PADDING_BUG)
1242 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1247 #ifndef OPENSSL_NO_DH
1248 static DH *load_dh_param(char *dhfile)
1253 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1255 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1257 if (bio != NULL) BIO_free(bio);
1263 static int load_CA(SSL_CTX *ctx, char *file)
1268 if ((in=fopen(file,"r")) == NULL)
1273 if (PEM_read_X509(in,&x,NULL) == NULL)
1275 SSL_CTX_add_client_CA(ctx,x);
1277 if (x != NULL) X509_free(x);
1283 static int www_body(char *hostname, int s, unsigned char *context)
1287 int i,j,k,blank,dot;
1291 BIO *io,*ssl_bio,*sbio;
1294 buf=OPENSSL_malloc(bufsize);
1295 if (buf == NULL) return(0);
1296 io=BIO_new(BIO_f_buffer());
1297 ssl_bio=BIO_new(BIO_f_ssl());
1298 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1306 BIO_printf(bio_err,"turning on non blocking io\n");
1307 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1308 ERR_print_errors(bio_err);
1312 /* lets make the output buffer a reasonable size */
1313 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1315 if ((con=SSL_new(ctx)) == NULL) goto err;
1316 #ifndef OPENSSL_NO_KRB5
1317 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1319 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
1320 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
1322 #endif /* OPENSSL_NO_KRB5 */
1323 if(context) SSL_set_session_id_context(con, context,
1324 strlen((char *)context));
1326 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1331 test=BIO_new(BIO_f_nbio_test());
1332 sbio=BIO_push(test,sbio);
1334 SSL_set_bio(con,sbio,sbio);
1335 SSL_set_accept_state(con);
1337 /* SSL_set_fd(con,s); */
1338 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1339 BIO_push(io,ssl_bio);
1340 #ifdef CHARSET_EBCDIC
1341 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1347 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1348 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1352 SSL_set_msg_callback(con, msg_cb);
1353 SSL_set_msg_callback_arg(con, bio_s_out);
1363 switch (SSL_get_error(con,i))
1365 case SSL_ERROR_NONE:
1367 case SSL_ERROR_WANT_WRITE:
1368 case SSL_ERROR_WANT_READ:
1369 case SSL_ERROR_WANT_X509_LOOKUP:
1371 case SSL_ERROR_SYSCALL:
1373 case SSL_ERROR_ZERO_RETURN:
1379 SSL_renegotiate(con);
1380 SSL_write(con,NULL,0);
1383 i=BIO_gets(io,buf,bufsize-1);
1384 if (i < 0) /* error */
1386 if (!BIO_should_retry(io))
1389 ERR_print_errors(bio_err);
1394 BIO_printf(bio_s_out,"read R BLOCK\n");
1395 #ifndef OPENSSL_SYS_MSDOS
1401 else if (i == 0) /* end of input */
1407 /* else we have data */
1408 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1409 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1413 STACK_OF(SSL_CIPHER) *sk;
1414 static char *space=" ";
1416 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1417 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1418 BIO_puts(io,"<pre>\n");
1419 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1421 for (i=0; i<local_argc; i++)
1423 BIO_puts(io,local_argv[i]);
1424 BIO_write(io," ",1);
1428 /* The following is evil and should not really
1430 BIO_printf(io,"Ciphers supported in s_server binary\n");
1431 sk=SSL_get_ciphers(con);
1432 j=sk_SSL_CIPHER_num(sk);
1435 c=sk_SSL_CIPHER_value(sk,i);
1436 BIO_printf(io,"%-11s:%-25s",
1437 SSL_CIPHER_get_version(c),
1438 SSL_CIPHER_get_name(c));
1439 if ((((i+1)%2) == 0) && (i+1 != j))
1443 p=SSL_get_shared_ciphers(con,buf,bufsize);
1446 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1452 BIO_write(io,space,26-j);
1455 BIO_write(io,((i%3)?" ":"\n"),1);
1466 BIO_printf(io,((con->hit)
1469 c=SSL_get_current_cipher(con);
1470 BIO_printf(io,"%s, Cipher is %s\n",
1471 SSL_CIPHER_get_version(c),
1472 SSL_CIPHER_get_name(c));
1473 SSL_SESSION_print(io,SSL_get_session(con));
1474 BIO_printf(io,"---\n");
1475 print_stats(io,SSL_get_SSL_CTX(con));
1476 BIO_printf(io,"---\n");
1477 peer=SSL_get_peer_certificate(con);
1480 BIO_printf(io,"Client certificate\n");
1481 X509_print(io,peer);
1482 PEM_write_bio_X509(io,peer);
1485 BIO_puts(io,"no client certificate available\n");
1486 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1489 else if ((www == 2 || www == 3)
1490 && (strncmp("GET /",buf,5) == 0))
1494 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1500 for (e=p; *e != '\0'; e++)
1508 dot = (e[0] == '.') ? 2 : 0;
1511 dot = (e[0] == '.') ? 3 : 0;
1514 dot = (e[0] == '/') ? -1 : 0;
1518 dot = (e[0] == '/') ? 1 : 0;
1520 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
1525 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1533 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1540 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1545 /* append if a directory lookup */
1547 strcat(p,"index.html");
1550 /* if a directory, do the index thang */
1551 if (stat(p,&st_buf) < 0)
1554 BIO_printf(io,"Error accessing '%s'\r\n",p);
1555 ERR_print_errors(io);
1558 if (S_ISDIR(st_buf.st_mode))
1560 #if 0 /* must check buffer size */
1561 strcat(p,"/index.html");
1564 BIO_printf(io,"'%s' is a directory\r\n",p);
1569 if ((file=BIO_new_file(p,"r")) == NULL)
1572 BIO_printf(io,"Error opening '%s'\r\n",p);
1573 ERR_print_errors(io);
1578 BIO_printf(bio_err,"FILE:%s\n",p);
1583 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1584 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1585 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1586 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1588 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1594 i=BIO_read(file,buf,bufsize);
1599 fprintf(stderr,"%d\n",i);
1600 if (total_bytes > 3*1024)
1603 fprintf(stderr,"RENEGOTIATE\n");
1604 SSL_renegotiate(con);
1611 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1613 k=BIO_write(io,&(buf[j]),i-j);
1616 if (!BIO_should_retry(io))
1620 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1637 i=(int)BIO_flush(io);
1640 if (!BIO_should_retry(io))
1648 /* make sure we re-use sessions */
1649 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1651 /* This kills performance */
1652 /* SSL_shutdown(con); A shutdown gets sent in the
1653 * BIO_free_all(io) procession */
1659 BIO_printf(bio_s_out,"ACCEPT\n");
1661 if (buf != NULL) OPENSSL_free(buf);
1662 if (io != NULL) BIO_free_all(io);
1663 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1667 #ifndef OPENSSL_NO_RSA
1668 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1670 static RSA *rsa_tmp=NULL;
1672 if (rsa_tmp == NULL)
1676 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1677 (void)BIO_flush(bio_err);
1679 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1682 BIO_printf(bio_err,"\n");
1683 (void)BIO_flush(bio_err);
1690 #define MAX_SESSION_ID_ATTEMPTS 10
1691 static int generate_session_id(const SSL *ssl, unsigned char *id,
1692 unsigned int *id_len)
1694 unsigned int count = 0;
1696 RAND_pseudo_bytes(id, *id_len);
1697 /* Prefix the session_id with the required prefix. NB: If our
1698 * prefix is too long, clip it - but there will be worse effects
1699 * anyway, eg. the server could only possibly create 1 session
1700 * ID (ie. the prefix!) so all future session negotiations will
1701 * fail due to conflicts. */
1702 memcpy(id, session_id_prefix,
1703 (strlen(session_id_prefix) < *id_len) ?
1704 strlen(session_id_prefix) : *id_len);
1706 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
1707 (++count < MAX_SESSION_ID_ATTEMPTS));
1708 if(count >= MAX_SESSION_ID_ATTEMPTS)