2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
63 #include <sys/types.h>
69 /* With IPv6, it looks like Digital has mixed up the proper order of
70 recursive header file inclusion, resulting in the compiler complaining
71 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
72 is needed to have fileno() declared correctly... So let's define u_int */
73 #if defined(VMS) && defined(__DECC) && !defined(__U_INT)
75 typedef unsigned int u_int;
78 #include <openssl/lhash.h>
79 #include <openssl/bn.h>
82 #include <openssl/err.h>
83 #include <openssl/pem.h>
84 #include <openssl/x509.h>
85 #include <openssl/ssl.h>
88 #if (defined(VMS) && __VMS_VER < 70000000)
89 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
93 #if defined(NO_RSA) && !defined(NO_SSL2)
98 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
100 static int sv_body(char *hostname, int s, unsigned char *context);
101 static int www_body(char *hostname, int s, unsigned char *context);
102 static void close_accept_socket(void );
103 static void sv_usage(void);
104 static int init_ssl_connection(SSL *s);
105 static void print_stats(BIO *bp,SSL_CTX *ctx);
107 static DH *load_dh_param(void );
108 static DH *get_dh512(void);
110 /* static void s_server_init(void);*/
113 # if defined(_S_IFMT) && defined(_S_IFDIR)
114 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
116 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
121 static unsigned char dh512_p[]={
122 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
123 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
124 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
125 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
126 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
129 static unsigned char dh512_g[]={
133 static DH *get_dh512(void)
137 if ((dh=DH_new()) == NULL) return(NULL);
138 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
139 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
140 if ((dh->p == NULL) || (dh->g == NULL))
146 /* static int load_CA(SSL_CTX *ctx, char *file);*/
149 #define BUFSIZZ 16*1024
150 static int bufsize=32;
151 static int accept_socket= -1;
153 #define TEST_CERT "server.pem"
155 #define PROG s_server_main
157 #define DH_PARAM "server.pem"
159 extern int verify_depth;
161 static char *cipher=NULL;
162 static int s_server_verify=SSL_VERIFY_NONE;
163 static int s_server_session_id_context = 1; /* anything will do */
164 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
165 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
169 static int s_nbio_test=0;
171 static SSL_CTX *ctx=NULL;
174 static BIO *bio_s_out=NULL;
175 static int s_debug=0;
176 static int s_quiet=0;
179 static void s_server_init(void)
182 s_server_verify=SSL_VERIFY_NONE;
185 s_cert_file=TEST_CERT;
200 static void sv_usage(void)
202 BIO_printf(bio_err,"usage: s_server [args ...]\n");
203 BIO_printf(bio_err,"\n");
204 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
205 BIO_printf(bio_err," -context arg - set session ID context\n");
206 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
207 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
208 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
209 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
210 BIO_printf(bio_err," -key arg - RSA file to use, PEM format assumed, in cert file if\n");
211 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
212 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
213 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
215 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
217 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
218 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
219 BIO_printf(bio_err," -debug - Print more output\n");
220 BIO_printf(bio_err," -state - Print the SSL states\n");
221 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
222 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
223 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
224 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
225 BIO_printf(bio_err," -quiet - No server output\n");
226 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
227 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
228 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
229 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
230 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
231 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
232 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
234 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
236 BIO_printf(bio_err," -bugs - Turn on SSL bug compatability\n");
237 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
238 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
241 static int local_argc=0;
242 static char **local_argv;
245 #ifdef CHARSET_EBCDIC
246 static int ebcdic_new(BIO *bi);
247 static int ebcdic_free(BIO *a);
248 static int ebcdic_read(BIO *b, char *out, int outl);
249 static int ebcdic_write(BIO *b, char *in, int inl);
250 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
251 static int ebcdic_gets(BIO *bp, char *buf, int size);
252 static int ebcdic_puts(BIO *bp, char *str);
254 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
255 static BIO_METHOD methods_ebcdic=
257 BIO_TYPE_EBCDIC_FILTER,
258 "EBCDIC/ASCII filter",
274 BIO_METHOD *BIO_f_ebcdic_filter()
276 return(&methods_ebcdic);
279 static int ebcdic_new(BIO *bi)
281 EBCDIC_OUTBUFF *wbuf;
283 wbuf = (EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
284 wbuf->alloced = 1024;
285 wbuf->buff[0] = '\0';
287 bi->ptr=(char *)wbuf;
293 static int ebcdic_free(BIO *a)
295 if (a == NULL) return(0);
304 static int ebcdic_read(BIO *b, char *out, int outl)
308 if (out == NULL || outl == 0) return(0);
309 if (b->next_bio == NULL) return(0);
311 ret=BIO_read(b->next_bio,out,outl);
313 ascii2ebcdic(out,out,ret);
317 static int ebcdic_write(BIO *b, char *in, int inl)
319 EBCDIC_OUTBUFF *wbuf;
324 if ((in == NULL) || (inl <= 0)) return(0);
325 if (b->next_bio == NULL) return(0);
327 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
329 if (inl > (num = wbuf->alloced))
331 num = num + num; /* double the size */
335 wbuf=(EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + num);
338 wbuf->buff[0] = '\0';
343 ebcdic2ascii(wbuf->buff, in, inl);
345 ret=BIO_write(b->next_bio, wbuf->buff, inl);
350 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
354 if (b->next_bio == NULL) return(0);
361 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
367 static int ebcdic_gets(BIO *bp, char *buf, int size)
370 if (bp->next_bio == NULL) return(0);
371 /* return(BIO_gets(bp->next_bio,buf,size));*/
372 for (i=0; i<size-1; ++i)
374 ret = ebcdic_read(bp,&buf[i],1);
377 else if (buf[i] == '\n')
385 return (ret < 0 && i == 0) ? ret : i;
388 static int ebcdic_puts(BIO *bp, char *str)
390 if (bp->next_bio == NULL) return(0);
391 return ebcdic_write(bp, str, strlen(str));
395 int MAIN(int argc, char *argv[])
398 char *CApath=NULL,*CAfile=NULL;
399 char *context = NULL;
403 int no_tmp_rsa=0,no_dhe=0,nocert=0;
405 SSL_METHOD *meth=NULL;
410 #if !defined(NO_SSL2) && !defined(NO_SSL3)
411 meth=SSLv23_server_method();
412 #elif !defined(NO_SSL3)
413 meth=SSLv3_server_method();
414 #elif !defined(NO_SSL2)
415 meth=SSLv2_server_method();
426 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
439 if ((strcmp(*argv,"-port") == 0) ||
440 (strcmp(*argv,"-accept") == 0))
442 if (--argc < 1) goto bad;
443 if (!extract_port(*(++argv),&port))
446 else if (strcmp(*argv,"-verify") == 0)
448 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
449 if (--argc < 1) goto bad;
450 verify_depth=atoi(*(++argv));
451 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
453 else if (strcmp(*argv,"-Verify") == 0)
455 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
456 SSL_VERIFY_CLIENT_ONCE;
457 if (--argc < 1) goto bad;
458 verify_depth=atoi(*(++argv));
459 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
461 else if (strcmp(*argv,"-context") == 0)
463 if (--argc < 1) goto bad;
466 else if (strcmp(*argv,"-cert") == 0)
468 if (--argc < 1) goto bad;
469 s_cert_file= *(++argv);
471 else if (strcmp(*argv,"-key") == 0)
473 if (--argc < 1) goto bad;
474 s_key_file= *(++argv);
476 else if (strcmp(*argv,"-dcert") == 0)
478 if (--argc < 1) goto bad;
479 s_dcert_file= *(++argv);
481 else if (strcmp(*argv,"-dkey") == 0)
483 if (--argc < 1) goto bad;
484 s_dkey_file= *(++argv);
486 else if (strcmp(*argv,"-nocert") == 0)
490 else if (strcmp(*argv,"-CApath") == 0)
492 if (--argc < 1) goto bad;
495 else if (strcmp(*argv,"-cipher") == 0)
497 if (--argc < 1) goto bad;
500 else if (strcmp(*argv,"-CAfile") == 0)
502 if (--argc < 1) goto bad;
506 else if (strcmp(*argv,"-nbio") == 0)
509 else if (strcmp(*argv,"-nbio_test") == 0)
516 else if (strcmp(*argv,"-debug") == 0)
518 else if (strcmp(*argv,"-hack") == 0)
520 else if (strcmp(*argv,"-state") == 0)
522 else if (strcmp(*argv,"-crlf") == 0)
524 else if (strcmp(*argv,"-quiet") == 0)
526 else if (strcmp(*argv,"-bugs") == 0)
528 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
530 else if (strcmp(*argv,"-no_dhe") == 0)
532 else if (strcmp(*argv,"-www") == 0)
534 else if (strcmp(*argv,"-WWW") == 0)
536 else if (strcmp(*argv,"-no_ssl2") == 0)
537 { off|=SSL_OP_NO_SSLv2; }
538 else if (strcmp(*argv,"-no_ssl3") == 0)
539 { off|=SSL_OP_NO_SSLv3; }
540 else if (strcmp(*argv,"-no_tls1") == 0)
541 { off|=SSL_OP_NO_TLSv1; }
543 else if (strcmp(*argv,"-ssl2") == 0)
544 { meth=SSLv2_server_method(); }
547 else if (strcmp(*argv,"-ssl3") == 0)
548 { meth=SSLv3_server_method(); }
551 else if (strcmp(*argv,"-tls1") == 0)
552 { meth=TLSv1_server_method(); }
556 BIO_printf(bio_err,"unknown option %s\n",*argv);
570 if (bio_s_out == NULL)
572 if (s_quiet && !s_debug)
574 bio_s_out=BIO_new(BIO_s_null());
578 if (bio_s_out == NULL)
579 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
583 #if !defined(NO_RSA) || !defined(NO_DSA)
593 SSL_load_error_strings();
594 SSLeay_add_ssl_algorithms();
596 ctx=SSL_CTX_new(meth);
599 ERR_print_errors(bio_err);
603 SSL_CTX_set_quiet_shutdown(ctx,1);
604 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
605 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
606 SSL_CTX_set_options(ctx,off);
607 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
609 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
611 SSL_CTX_sess_set_cache_size(ctx,128);
614 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
618 if (s_cert_file == NULL)
620 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
625 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
626 (!SSL_CTX_set_default_verify_paths(ctx)))
628 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
629 ERR_print_errors(bio_err);
636 /* EAY EAY EAY evil hack */
640 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
644 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
647 (void)BIO_flush(bio_s_out);
649 SSL_CTX_set_tmp_dh(ctx,dh);
654 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
656 if (s_dcert_file != NULL)
658 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
664 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
666 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
670 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
671 BIO_flush(bio_s_out);
673 rsa=RSA_generate_key(512,RSA_F4,NULL);
675 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
677 ERR_print_errors(bio_err);
681 BIO_printf(bio_s_out,"\n");
687 SSL_CTX_set_cipher_list(ctx,cipher);
688 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
689 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
690 sizeof s_server_session_id_context);
692 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
694 BIO_printf(bio_s_out,"ACCEPT\n");
696 do_server(port,&accept_socket,www_body, context);
698 do_server(port,&accept_socket,sv_body, context);
699 print_stats(bio_s_out,ctx);
702 if (ctx != NULL) SSL_CTX_free(ctx);
703 if (bio_s_out != NULL)
711 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
713 BIO_printf(bio,"%4ld items in the session cache\n",
714 SSL_CTX_sess_number(ssl_ctx));
715 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
716 SSL_CTX_sess_connect(ssl_ctx));
717 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
718 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
719 BIO_printf(bio,"%4d client connects that finished\n",
720 SSL_CTX_sess_connect_good(ssl_ctx));
721 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
722 SSL_CTX_sess_accept(ssl_ctx));
723 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
724 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
725 BIO_printf(bio,"%4d server accepts that finished\n",
726 SSL_CTX_sess_accept_good(ssl_ctx));
727 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
728 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
729 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
730 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
731 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
732 SSL_CTX_sess_cache_full(ssl_ctx),
733 SSL_CTX_sess_get_cache_size(ssl_ctx));
736 static int sv_body(char *hostname, int s, unsigned char *context)
746 if ((buf=Malloc(bufsize)) == NULL)
748 BIO_printf(bio_err,"out of memory\n");
757 BIO_printf(bio_err,"turning on non blocking io\n");
758 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
759 ERR_print_errors(bio_err);
764 con=(SSL *)SSL_new(ctx);
766 SSL_set_session_id_context(con, context,
767 strlen((char *)context));
771 sbio=BIO_new_socket(s,BIO_NOCLOSE);
776 test=BIO_new(BIO_f_nbio_test());
777 sbio=BIO_push(test,sbio);
779 SSL_set_bio(con,sbio,sbio);
780 SSL_set_accept_state(con);
781 /* SSL_set_fd(con,s); */
786 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
787 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
795 FD_SET(fileno(stdin),&readfds);
798 /* Note: under VMS with SOCKETSHR the second parameter is
799 * currently of type (int *) whereas under other systems
800 * it is (void *) if you don't have a cast it will choke
801 * the compiler: if you do have a cast then you can either
802 * go for (int *) or (void *).
804 i=select(width,(void *)&readfds,NULL,NULL,NULL);
805 if (i <= 0) continue;
806 if (FD_ISSET(fileno(stdin),&readfds))
812 i=read(fileno(stdin), buf, bufsize/2);
814 /* both loops are skipped when i <= 0 */
815 for (j = 0; j < i; j++)
818 for (j = i-1; j >= 0; j--)
820 buf[j+lf_num] = buf[j];
825 buf[j+lf_num] = '\r';
831 i=read(fileno(stdin),buf,bufsize);
834 if ((i <= 0) || (buf[0] == 'Q'))
836 BIO_printf(bio_s_out,"DONE\n");
838 close_accept_socket();
842 if ((i <= 0) || (buf[0] == 'q'))
844 BIO_printf(bio_s_out,"DONE\n");
846 /* close_accept_socket();
850 if ((buf[0] == 'r') &&
851 ((buf[1] == '\n') || (buf[1] == '\r')))
853 SSL_renegotiate(con);
854 i=SSL_do_handshake(con);
855 printf("SSL_do_handshake -> %d\n",i);
858 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
860 if ((buf[0] == 'R') &&
861 ((buf[1] == '\n') || (buf[1] == '\r')))
864 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
865 SSL_renegotiate(con);
866 i=SSL_do_handshake(con);
867 printf("SSL_do_handshake -> %d\n",i);
870 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
874 static char *str="Lets print some clear text\n";
875 BIO_write(SSL_get_wbio(con),str,strlen(str));
879 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
882 #ifdef CHARSET_EBCDIC
883 ebcdic2ascii(buf,buf,i);
888 /* should do a select for the write */
890 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
892 k=SSL_write(con,&(buf[l]),(unsigned int)i);
893 switch (SSL_get_error(con,k))
897 case SSL_ERROR_WANT_WRITE:
898 case SSL_ERROR_WANT_READ:
899 case SSL_ERROR_WANT_X509_LOOKUP:
900 BIO_printf(bio_s_out,"Write BLOCK\n");
902 case SSL_ERROR_SYSCALL:
904 BIO_printf(bio_s_out,"ERROR\n");
905 ERR_print_errors(bio_err);
909 case SSL_ERROR_ZERO_RETURN:
910 BIO_printf(bio_s_out,"DONE\n");
919 if (FD_ISSET(s,&readfds))
921 if (!SSL_is_init_finished(con))
923 i=init_ssl_connection(con);
939 i=SSL_read(con,(char *)buf,bufsize);
940 switch (SSL_get_error(con,i))
943 #ifdef CHARSET_EBCDIC
944 ascii2ebcdic(buf,buf,i);
946 write(fileno(stdout),buf,
948 if (SSL_pending(con)) goto again;
950 case SSL_ERROR_WANT_WRITE:
951 case SSL_ERROR_WANT_READ:
952 case SSL_ERROR_WANT_X509_LOOKUP:
953 BIO_printf(bio_s_out,"Read BLOCK\n");
955 case SSL_ERROR_SYSCALL:
957 BIO_printf(bio_s_out,"ERROR\n");
958 ERR_print_errors(bio_err);
961 case SSL_ERROR_ZERO_RETURN:
962 BIO_printf(bio_s_out,"DONE\n");
970 BIO_printf(bio_s_out,"shutting down SSL\n");
972 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
976 if (con != NULL) SSL_free(con);
977 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
980 memset(buf,0,bufsize);
984 BIO_printf(bio_s_out,"ACCEPT\n");
988 static void close_accept_socket(void)
990 BIO_printf(bio_err,"shutdown accept socket\n");
991 if (accept_socket >= 0)
993 SHUTDOWN2(accept_socket);
997 static int init_ssl_connection(SSL *con)
1003 MS_STATIC char buf[BUFSIZ];
1005 if ((i=SSL_accept(con)) <= 0)
1007 if (BIO_sock_should_retry(i))
1009 BIO_printf(bio_s_out,"DELAY\n");
1013 BIO_printf(bio_err,"ERROR\n");
1014 verify_error=SSL_get_verify_result(con);
1015 if (verify_error != X509_V_OK)
1017 BIO_printf(bio_err,"verify error:%s\n",
1018 X509_verify_cert_error_string(verify_error));
1021 ERR_print_errors(bio_err);
1025 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1027 peer=SSL_get_peer_certificate(con);
1030 BIO_printf(bio_s_out,"Client certificate\n");
1031 PEM_write_bio_X509(bio_s_out,peer);
1032 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1033 BIO_printf(bio_s_out,"subject=%s\n",buf);
1034 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1035 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1039 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1040 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1041 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1042 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1043 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1044 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1045 TLS1_FLAGS_TLS_PADDING_BUG)
1046 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1052 static DH *load_dh_param(void)
1057 if ((bio=BIO_new_file(DH_PARAM,"r")) == NULL)
1059 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1061 if (bio != NULL) BIO_free(bio);
1067 static int load_CA(SSL_CTX *ctx, char *file)
1072 if ((in=fopen(file,"r")) == NULL)
1077 if (PEM_read_X509(in,&x,NULL) == NULL)
1079 SSL_CTX_add_client_CA(ctx,x);
1081 if (x != NULL) X509_free(x);
1087 static int www_body(char *hostname, int s, unsigned char *context)
1091 int i,j,k,blank,dot;
1095 BIO *io,*ssl_bio,*sbio;
1098 buf=Malloc(bufsize);
1099 if (buf == NULL) return(0);
1100 io=BIO_new(BIO_f_buffer());
1101 ssl_bio=BIO_new(BIO_f_ssl());
1102 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1110 BIO_printf(bio_err,"turning on non blocking io\n");
1111 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1112 ERR_print_errors(bio_err);
1116 /* lets make the output buffer a reasonable size */
1117 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1119 if ((con=(SSL *)SSL_new(ctx)) == NULL) goto err;
1120 if(context) SSL_set_session_id_context(con, context,
1121 strlen((char *)context));
1123 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1128 test=BIO_new(BIO_f_nbio_test());
1129 sbio=BIO_push(test,sbio);
1131 SSL_set_bio(con,sbio,sbio);
1132 SSL_set_accept_state(con);
1134 /* SSL_set_fd(con,s); */
1135 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1136 BIO_push(io,ssl_bio);
1137 #ifdef CHARSET_EBCDIC
1138 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1144 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1145 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1155 switch (SSL_get_error(con,i))
1157 case SSL_ERROR_NONE:
1159 case SSL_ERROR_WANT_WRITE:
1160 case SSL_ERROR_WANT_READ:
1161 case SSL_ERROR_WANT_X509_LOOKUP:
1163 case SSL_ERROR_SYSCALL:
1165 case SSL_ERROR_ZERO_RETURN:
1171 SSL_renegotiate(con);
1172 SSL_write(con,NULL,0);
1175 i=BIO_gets(io,buf,bufsize-1);
1176 if (i < 0) /* error */
1178 if (!BIO_should_retry(io))
1181 ERR_print_errors(bio_err);
1186 BIO_printf(bio_s_out,"read R BLOCK\n");
1193 else if (i == 0) /* end of input */
1199 /* else we have data */
1200 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1201 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1205 STACK_OF(SSL_CIPHER) *sk;
1206 static char *space=" ";
1208 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1209 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1210 BIO_puts(io,"<pre>\n");
1211 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1213 for (i=0; i<local_argc; i++)
1215 BIO_puts(io,local_argv[i]);
1216 BIO_write(io," ",1);
1220 /* The following is evil and should not really
1222 BIO_printf(io,"Ciphers supported in s_server binary\n");
1223 sk=SSL_get_ciphers(con);
1224 j=sk_SSL_CIPHER_num(sk);
1227 c=sk_SSL_CIPHER_value(sk,i);
1228 BIO_printf(io,"%-11s:%-25s",
1229 SSL_CIPHER_get_version(c),
1230 SSL_CIPHER_get_name(c));
1231 if ((((i+1)%2) == 0) && (i+1 != j))
1235 p=SSL_get_shared_ciphers(con,buf,bufsize);
1238 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1244 BIO_write(io,space,26-j);
1247 BIO_write(io,((i%3)?" ":"\n"),1);
1258 BIO_printf(io,((con->hit)
1261 c=SSL_get_current_cipher(con);
1262 BIO_printf(io,"%s, Cipher is %s\n",
1263 SSL_CIPHER_get_version(c),
1264 SSL_CIPHER_get_name(c));
1265 SSL_SESSION_print(io,SSL_get_session(con));
1266 BIO_printf(io,"---\n");
1267 print_stats(io,SSL_get_SSL_CTX(con));
1268 BIO_printf(io,"---\n");
1269 peer=SSL_get_peer_certificate(con);
1272 BIO_printf(io,"Client certificate\n");
1273 X509_print(io,peer);
1274 PEM_write_bio_X509(io,peer);
1277 BIO_puts(io,"no client certificate available\n");
1278 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1281 else if ((www == 2) && (strncmp("GET /",buf,5) == 0))
1285 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1290 for (e=p; *e != '\0'; e++)
1292 if (e[0] == ' ') break;
1293 if ( (e[0] == '.') &&
1294 (strncmp(&(e[-1]),"/../",4) == 0))
1302 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1310 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1317 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1321 /* append if a directory lookup */
1323 strcat(p,"index.html");
1325 /* if a directory, do the index thang */
1326 if (stat(p,&st_buf) < 0)
1329 BIO_printf(io,"Error accessing '%s'\r\n",p);
1330 ERR_print_errors(io);
1333 if (S_ISDIR(st_buf.st_mode))
1335 strcat(p,"/index.html");
1338 if ((file=BIO_new_file(p,"r")) == NULL)
1341 BIO_printf(io,"Error opening '%s'\r\n",p);
1342 ERR_print_errors(io);
1347 BIO_printf(bio_err,"FILE:%s\n",p);
1350 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1351 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1352 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1353 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1355 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1360 i=BIO_read(file,buf,bufsize);
1365 fprintf(stderr,"%d\n",i);
1366 if (total_bytes > 3*1024)
1369 fprintf(stderr,"RENEGOTIATE\n");
1370 SSL_renegotiate(con);
1377 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1379 k=BIO_write(io,&(buf[j]),i-j);
1382 if (!BIO_should_retry(io))
1386 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1403 i=(int)BIO_flush(io);
1406 if (!BIO_should_retry(io))
1414 /* make sure we re-use sessions */
1415 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1417 /* This kills performace */
1418 /* SSL_shutdown(con); A shutdown gets sent in the
1419 * BIO_free_all(io) procession */
1425 BIO_printf(bio_s_out,"ACCEPT\n");
1427 if (buf != NULL) Free(buf);
1428 if (io != NULL) BIO_free_all(io);
1429 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1434 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1436 static RSA *rsa_tmp=NULL;
1438 if (rsa_tmp == NULL)
1442 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1443 (void)BIO_flush(bio_err);
1445 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1448 BIO_printf(bio_err,"\n");
1449 (void)BIO_flush(bio_err);