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.]
65 #include <sys/types.h>
71 /* With IPv6, it looks like Digital has mixed up the proper order of
72 recursive header file inclusion, resulting in the compiler complaining
73 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
74 is needed to have fileno() declared correctly... So let's define u_int */
75 #if defined(VMS) && defined(__DECC) && !defined(__U_INT)
77 typedef unsigned int u_int;
80 #include <openssl/lhash.h>
81 #include <openssl/bn.h>
84 #include <openssl/err.h>
85 #include <openssl/pem.h>
86 #include <openssl/x509.h>
87 #include <openssl/ssl.h>
90 #if (defined(VMS) && __VMS_VER < 70000000)
91 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
95 #if defined(NO_RSA) && !defined(NO_SSL2)
100 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
102 static int sv_body(char *hostname, int s, unsigned char *context);
103 static int www_body(char *hostname, int s, unsigned char *context);
104 static void close_accept_socket(void );
105 static void sv_usage(void);
106 static int init_ssl_connection(SSL *s);
107 static void print_stats(BIO *bp,SSL_CTX *ctx);
109 static DH *load_dh_param(void );
110 static DH *get_dh512(void);
112 /* static void s_server_init(void);*/
115 # if defined(_S_IFMT) && defined(_S_IFDIR)
116 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
118 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
123 static unsigned char dh512_p[]={
124 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
125 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
126 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
127 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
128 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
131 static unsigned char dh512_g[]={
135 static DH *get_dh512(void)
139 if ((dh=DH_new()) == NULL) return(NULL);
140 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
141 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
142 if ((dh->p == NULL) || (dh->g == NULL))
148 /* static int load_CA(SSL_CTX *ctx, char *file);*/
151 #define BUFSIZZ 16*1024
152 static int bufsize=32;
153 static int accept_socket= -1;
155 #define TEST_CERT "server.pem"
157 #define PROG s_server_main
159 #define DH_PARAM "server.pem"
161 extern int verify_depth;
163 static char *cipher=NULL;
164 static int s_server_verify=SSL_VERIFY_NONE;
165 static int s_server_session_id_context = 1; /* anything will do */
166 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
167 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
171 static int s_nbio_test=0;
175 static SSL_CTX *ctx=NULL;
178 static BIO *bio_s_out=NULL;
179 static int s_debug=0;
180 static int s_quiet=0;
183 static void s_server_init(void)
186 s_server_verify=SSL_VERIFY_NONE;
189 s_cert_file=TEST_CERT;
204 static void sv_usage(void)
206 BIO_printf(bio_err,"usage: s_server [args ...]\n");
207 BIO_printf(bio_err,"\n");
208 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
209 BIO_printf(bio_err," -context arg - set session ID context\n");
210 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
211 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
212 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
213 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
214 BIO_printf(bio_err," -key arg - RSA file to use, PEM format assumed, in cert file if\n");
215 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
216 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
217 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
219 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
221 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
223 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
225 BIO_printf(bio_err," -debug - Print more output\n");
226 BIO_printf(bio_err," -state - Print the SSL states\n");
227 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
228 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
229 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
230 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
231 BIO_printf(bio_err," -quiet - No server output\n");
232 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
233 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
234 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
235 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
236 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
237 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
238 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
240 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
242 BIO_printf(bio_err," -bugs - Turn on SSL bug compatability\n");
243 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
244 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
247 static int local_argc=0;
248 static char **local_argv;
251 #ifdef CHARSET_EBCDIC
252 static int ebcdic_new(BIO *bi);
253 static int ebcdic_free(BIO *a);
254 static int ebcdic_read(BIO *b, char *out, int outl);
255 static int ebcdic_write(BIO *b, char *in, int inl);
256 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
257 static int ebcdic_gets(BIO *bp, char *buf, int size);
258 static int ebcdic_puts(BIO *bp, char *str);
260 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
261 static BIO_METHOD methods_ebcdic=
263 BIO_TYPE_EBCDIC_FILTER,
264 "EBCDIC/ASCII filter",
280 BIO_METHOD *BIO_f_ebcdic_filter()
282 return(&methods_ebcdic);
285 static int ebcdic_new(BIO *bi)
287 EBCDIC_OUTBUFF *wbuf;
289 wbuf = (EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
290 wbuf->alloced = 1024;
291 wbuf->buff[0] = '\0';
293 bi->ptr=(char *)wbuf;
299 static int ebcdic_free(BIO *a)
301 if (a == NULL) return(0);
310 static int ebcdic_read(BIO *b, char *out, int outl)
314 if (out == NULL || outl == 0) return(0);
315 if (b->next_bio == NULL) return(0);
317 ret=BIO_read(b->next_bio,out,outl);
319 ascii2ebcdic(out,out,ret);
323 static int ebcdic_write(BIO *b, char *in, int inl)
325 EBCDIC_OUTBUFF *wbuf;
330 if ((in == NULL) || (inl <= 0)) return(0);
331 if (b->next_bio == NULL) return(0);
333 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
335 if (inl > (num = wbuf->alloced))
337 num = num + num; /* double the size */
341 wbuf=(EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + num);
344 wbuf->buff[0] = '\0';
349 ebcdic2ascii(wbuf->buff, in, inl);
351 ret=BIO_write(b->next_bio, wbuf->buff, inl);
356 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
360 if (b->next_bio == NULL) return(0);
367 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
373 static int ebcdic_gets(BIO *bp, char *buf, int size)
376 if (bp->next_bio == NULL) return(0);
377 /* return(BIO_gets(bp->next_bio,buf,size));*/
378 for (i=0; i<size-1; ++i)
380 ret = ebcdic_read(bp,&buf[i],1);
383 else if (buf[i] == '\n')
391 return (ret < 0 && i == 0) ? ret : i;
394 static int ebcdic_puts(BIO *bp, char *str)
396 if (bp->next_bio == NULL) return(0);
397 return ebcdic_write(bp, str, strlen(str));
401 int MAIN(int argc, char *argv[])
404 char *CApath=NULL,*CAfile=NULL;
405 char *context = NULL;
409 int no_tmp_rsa=0,no_dhe=0,nocert=0;
411 SSL_METHOD *meth=NULL;
416 #if !defined(NO_SSL2) && !defined(NO_SSL3)
417 meth=SSLv23_server_method();
418 #elif !defined(NO_SSL3)
419 meth=SSLv3_server_method();
420 #elif !defined(NO_SSL2)
421 meth=SSLv2_server_method();
432 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
445 if ((strcmp(*argv,"-port") == 0) ||
446 (strcmp(*argv,"-accept") == 0))
448 if (--argc < 1) goto bad;
449 if (!extract_port(*(++argv),&port))
452 else if (strcmp(*argv,"-verify") == 0)
454 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
455 if (--argc < 1) goto bad;
456 verify_depth=atoi(*(++argv));
457 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
459 else if (strcmp(*argv,"-Verify") == 0)
461 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
462 SSL_VERIFY_CLIENT_ONCE;
463 if (--argc < 1) goto bad;
464 verify_depth=atoi(*(++argv));
465 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
467 else if (strcmp(*argv,"-context") == 0)
469 if (--argc < 1) goto bad;
472 else if (strcmp(*argv,"-cert") == 0)
474 if (--argc < 1) goto bad;
475 s_cert_file= *(++argv);
477 else if (strcmp(*argv,"-key") == 0)
479 if (--argc < 1) goto bad;
480 s_key_file= *(++argv);
482 else if (strcmp(*argv,"-dcert") == 0)
484 if (--argc < 1) goto bad;
485 s_dcert_file= *(++argv);
487 else if (strcmp(*argv,"-dkey") == 0)
489 if (--argc < 1) goto bad;
490 s_dkey_file= *(++argv);
492 else if (strcmp(*argv,"-nocert") == 0)
496 else if (strcmp(*argv,"-CApath") == 0)
498 if (--argc < 1) goto bad;
501 else if (strcmp(*argv,"-cipher") == 0)
503 if (--argc < 1) goto bad;
506 else if (strcmp(*argv,"-CAfile") == 0)
508 if (--argc < 1) goto bad;
512 else if (strcmp(*argv,"-nbio") == 0)
515 else if (strcmp(*argv,"-nbio_test") == 0)
522 else if (strcmp(*argv,"-debug") == 0)
524 else if (strcmp(*argv,"-hack") == 0)
526 else if (strcmp(*argv,"-state") == 0)
529 else if (strcmp(*argv,"-crlf") == 0)
532 else if (strcmp(*argv,"-quiet") == 0)
534 else if (strcmp(*argv,"-bugs") == 0)
536 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
538 else if (strcmp(*argv,"-no_dhe") == 0)
540 else if (strcmp(*argv,"-www") == 0)
542 else if (strcmp(*argv,"-WWW") == 0)
544 else if (strcmp(*argv,"-no_ssl2") == 0)
545 { off|=SSL_OP_NO_SSLv2; }
546 else if (strcmp(*argv,"-no_ssl3") == 0)
547 { off|=SSL_OP_NO_SSLv3; }
548 else if (strcmp(*argv,"-no_tls1") == 0)
549 { off|=SSL_OP_NO_TLSv1; }
551 else if (strcmp(*argv,"-ssl2") == 0)
552 { meth=SSLv2_server_method(); }
555 else if (strcmp(*argv,"-ssl3") == 0)
556 { meth=SSLv3_server_method(); }
559 else if (strcmp(*argv,"-tls1") == 0)
560 { meth=TLSv1_server_method(); }
564 BIO_printf(bio_err,"unknown option %s\n",*argv);
578 if (bio_s_out == NULL)
580 if (s_quiet && !s_debug)
582 bio_s_out=BIO_new(BIO_s_null());
586 if (bio_s_out == NULL)
587 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
591 #if !defined(NO_RSA) || !defined(NO_DSA)
601 SSL_load_error_strings();
602 SSLeay_add_ssl_algorithms();
604 ctx=SSL_CTX_new(meth);
607 ERR_print_errors(bio_err);
611 SSL_CTX_set_quiet_shutdown(ctx,1);
612 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
613 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
614 SSL_CTX_set_options(ctx,off);
615 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
617 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
619 SSL_CTX_sess_set_cache_size(ctx,128);
622 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
626 if (s_cert_file == NULL)
628 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
633 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
634 (!SSL_CTX_set_default_verify_paths(ctx)))
636 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
637 ERR_print_errors(bio_err);
644 /* EAY EAY EAY evil hack */
648 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
652 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
655 (void)BIO_flush(bio_s_out);
657 SSL_CTX_set_tmp_dh(ctx,dh);
662 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
664 if (s_dcert_file != NULL)
666 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
672 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
674 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
678 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
679 BIO_flush(bio_s_out);
681 rsa=RSA_generate_key(512,RSA_F4,NULL);
683 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
685 ERR_print_errors(bio_err);
689 BIO_printf(bio_s_out,"\n");
695 SSL_CTX_set_cipher_list(ctx,cipher);
696 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
697 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
698 sizeof s_server_session_id_context);
700 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
702 BIO_printf(bio_s_out,"ACCEPT\n");
704 do_server(port,&accept_socket,www_body, context);
706 do_server(port,&accept_socket,sv_body, context);
707 print_stats(bio_s_out,ctx);
710 if (ctx != NULL) SSL_CTX_free(ctx);
711 if (bio_s_out != NULL)
719 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
721 BIO_printf(bio,"%4ld items in the session cache\n",
722 SSL_CTX_sess_number(ssl_ctx));
723 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
724 SSL_CTX_sess_connect(ssl_ctx));
725 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
726 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
727 BIO_printf(bio,"%4d client connects that finished\n",
728 SSL_CTX_sess_connect_good(ssl_ctx));
729 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
730 SSL_CTX_sess_accept(ssl_ctx));
731 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
732 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
733 BIO_printf(bio,"%4d server accepts that finished\n",
734 SSL_CTX_sess_accept_good(ssl_ctx));
735 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
736 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
737 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
738 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
739 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
740 SSL_CTX_sess_cache_full(ssl_ctx),
741 SSL_CTX_sess_get_cache_size(ssl_ctx));
744 static int sv_body(char *hostname, int s, unsigned char *context)
754 if ((buf=Malloc(bufsize)) == NULL)
756 BIO_printf(bio_err,"out of memory\n");
765 BIO_printf(bio_err,"turning on non blocking io\n");
766 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
767 ERR_print_errors(bio_err);
772 con=(SSL *)SSL_new(ctx);
774 SSL_set_session_id_context(con, context,
775 strlen((char *)context));
779 sbio=BIO_new_socket(s,BIO_NOCLOSE);
784 test=BIO_new(BIO_f_nbio_test());
785 sbio=BIO_push(test,sbio);
787 SSL_set_bio(con,sbio,sbio);
788 SSL_set_accept_state(con);
789 /* SSL_set_fd(con,s); */
794 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
795 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
803 FD_SET(fileno(stdin),&readfds);
806 /* Note: under VMS with SOCKETSHR the second parameter is
807 * currently of type (int *) whereas under other systems
808 * it is (void *) if you don't have a cast it will choke
809 * the compiler: if you do have a cast then you can either
810 * go for (int *) or (void *).
812 i=select(width,(void *)&readfds,NULL,NULL,NULL);
813 if (i <= 0) continue;
814 if (FD_ISSET(fileno(stdin),&readfds))
821 i=read(fileno(stdin), buf, bufsize/2);
823 /* both loops are skipped when i <= 0 */
824 for (j = 0; j < i; j++)
827 for (j = i-1; j >= 0; j--)
829 buf[j+lf_num] = buf[j];
834 buf[j+lf_num] = '\r';
841 i=read(fileno(stdin),buf,bufsize);
844 if ((i <= 0) || (buf[0] == 'Q'))
846 BIO_printf(bio_s_out,"DONE\n");
848 close_accept_socket();
852 if ((i <= 0) || (buf[0] == 'q'))
854 BIO_printf(bio_s_out,"DONE\n");
856 /* close_accept_socket();
860 if ((buf[0] == 'r') &&
861 ((buf[1] == '\n') || (buf[1] == '\r')))
863 SSL_renegotiate(con);
864 i=SSL_do_handshake(con);
865 printf("SSL_do_handshake -> %d\n",i);
868 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
870 if ((buf[0] == 'R') &&
871 ((buf[1] == '\n') || (buf[1] == '\r')))
874 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
875 SSL_renegotiate(con);
876 i=SSL_do_handshake(con);
877 printf("SSL_do_handshake -> %d\n",i);
880 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
884 static char *str="Lets print some clear text\n";
885 BIO_write(SSL_get_wbio(con),str,strlen(str));
889 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
892 #ifdef CHARSET_EBCDIC
893 ebcdic2ascii(buf,buf,i);
898 /* should do a select for the write */
900 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
902 k=SSL_write(con,&(buf[l]),(unsigned int)i);
903 switch (SSL_get_error(con,k))
907 case SSL_ERROR_WANT_WRITE:
908 case SSL_ERROR_WANT_READ:
909 case SSL_ERROR_WANT_X509_LOOKUP:
910 BIO_printf(bio_s_out,"Write BLOCK\n");
912 case SSL_ERROR_SYSCALL:
914 BIO_printf(bio_s_out,"ERROR\n");
915 ERR_print_errors(bio_err);
919 case SSL_ERROR_ZERO_RETURN:
920 BIO_printf(bio_s_out,"DONE\n");
929 if (FD_ISSET(s,&readfds))
931 if (!SSL_is_init_finished(con))
933 i=init_ssl_connection(con);
949 i=SSL_read(con,(char *)buf,bufsize);
950 switch (SSL_get_error(con,i))
953 #ifdef CHARSET_EBCDIC
954 ascii2ebcdic(buf,buf,i);
956 write(fileno(stdout),buf,
958 if (SSL_pending(con)) goto again;
960 case SSL_ERROR_WANT_WRITE:
961 case SSL_ERROR_WANT_READ:
962 case SSL_ERROR_WANT_X509_LOOKUP:
963 BIO_printf(bio_s_out,"Read BLOCK\n");
965 case SSL_ERROR_SYSCALL:
967 BIO_printf(bio_s_out,"ERROR\n");
968 ERR_print_errors(bio_err);
971 case SSL_ERROR_ZERO_RETURN:
972 BIO_printf(bio_s_out,"DONE\n");
980 BIO_printf(bio_s_out,"shutting down SSL\n");
982 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
986 if (con != NULL) SSL_free(con);
987 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
990 memset(buf,0,bufsize);
994 BIO_printf(bio_s_out,"ACCEPT\n");
998 static void close_accept_socket(void)
1000 BIO_printf(bio_err,"shutdown accept socket\n");
1001 if (accept_socket >= 0)
1003 SHUTDOWN2(accept_socket);
1007 static int init_ssl_connection(SSL *con)
1013 MS_STATIC char buf[BUFSIZ];
1015 if ((i=SSL_accept(con)) <= 0)
1017 if (BIO_sock_should_retry(i))
1019 BIO_printf(bio_s_out,"DELAY\n");
1023 BIO_printf(bio_err,"ERROR\n");
1024 verify_error=SSL_get_verify_result(con);
1025 if (verify_error != X509_V_OK)
1027 BIO_printf(bio_err,"verify error:%s\n",
1028 X509_verify_cert_error_string(verify_error));
1031 ERR_print_errors(bio_err);
1035 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1037 peer=SSL_get_peer_certificate(con);
1040 BIO_printf(bio_s_out,"Client certificate\n");
1041 PEM_write_bio_X509(bio_s_out,peer);
1042 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1043 BIO_printf(bio_s_out,"subject=%s\n",buf);
1044 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1045 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1049 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1050 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1051 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1052 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1053 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1054 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1055 TLS1_FLAGS_TLS_PADDING_BUG)
1056 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1062 static DH *load_dh_param(void)
1067 if ((bio=BIO_new_file(DH_PARAM,"r")) == NULL)
1069 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1071 if (bio != NULL) BIO_free(bio);
1077 static int load_CA(SSL_CTX *ctx, char *file)
1082 if ((in=fopen(file,"r")) == NULL)
1087 if (PEM_read_X509(in,&x,NULL) == NULL)
1089 SSL_CTX_add_client_CA(ctx,x);
1091 if (x != NULL) X509_free(x);
1097 static int www_body(char *hostname, int s, unsigned char *context)
1101 int i,j,k,blank,dot;
1105 BIO *io,*ssl_bio,*sbio;
1108 buf=Malloc(bufsize);
1109 if (buf == NULL) return(0);
1110 io=BIO_new(BIO_f_buffer());
1111 ssl_bio=BIO_new(BIO_f_ssl());
1112 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1120 BIO_printf(bio_err,"turning on non blocking io\n");
1121 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1122 ERR_print_errors(bio_err);
1126 /* lets make the output buffer a reasonable size */
1127 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1129 if ((con=(SSL *)SSL_new(ctx)) == NULL) goto err;
1130 if(context) SSL_set_session_id_context(con, context,
1131 strlen((char *)context));
1133 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1138 test=BIO_new(BIO_f_nbio_test());
1139 sbio=BIO_push(test,sbio);
1141 SSL_set_bio(con,sbio,sbio);
1142 SSL_set_accept_state(con);
1144 /* SSL_set_fd(con,s); */
1145 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1146 BIO_push(io,ssl_bio);
1147 #ifdef CHARSET_EBCDIC
1148 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1154 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1155 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1165 switch (SSL_get_error(con,i))
1167 case SSL_ERROR_NONE:
1169 case SSL_ERROR_WANT_WRITE:
1170 case SSL_ERROR_WANT_READ:
1171 case SSL_ERROR_WANT_X509_LOOKUP:
1173 case SSL_ERROR_SYSCALL:
1175 case SSL_ERROR_ZERO_RETURN:
1181 SSL_renegotiate(con);
1182 SSL_write(con,NULL,0);
1185 i=BIO_gets(io,buf,bufsize-1);
1186 if (i < 0) /* error */
1188 if (!BIO_should_retry(io))
1191 ERR_print_errors(bio_err);
1196 BIO_printf(bio_s_out,"read R BLOCK\n");
1203 else if (i == 0) /* end of input */
1209 /* else we have data */
1210 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1211 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1215 STACK_OF(SSL_CIPHER) *sk;
1216 static char *space=" ";
1218 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1219 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1220 BIO_puts(io,"<pre>\n");
1221 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1223 for (i=0; i<local_argc; i++)
1225 BIO_puts(io,local_argv[i]);
1226 BIO_write(io," ",1);
1230 /* The following is evil and should not really
1232 BIO_printf(io,"Ciphers supported in s_server binary\n");
1233 sk=SSL_get_ciphers(con);
1234 j=sk_SSL_CIPHER_num(sk);
1237 c=sk_SSL_CIPHER_value(sk,i);
1238 BIO_printf(io,"%-11s:%-25s",
1239 SSL_CIPHER_get_version(c),
1240 SSL_CIPHER_get_name(c));
1241 if ((((i+1)%2) == 0) && (i+1 != j))
1245 p=SSL_get_shared_ciphers(con,buf,bufsize);
1248 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1254 BIO_write(io,space,26-j);
1257 BIO_write(io,((i%3)?" ":"\n"),1);
1268 BIO_printf(io,((con->hit)
1271 c=SSL_get_current_cipher(con);
1272 BIO_printf(io,"%s, Cipher is %s\n",
1273 SSL_CIPHER_get_version(c),
1274 SSL_CIPHER_get_name(c));
1275 SSL_SESSION_print(io,SSL_get_session(con));
1276 BIO_printf(io,"---\n");
1277 print_stats(io,SSL_get_SSL_CTX(con));
1278 BIO_printf(io,"---\n");
1279 peer=SSL_get_peer_certificate(con);
1282 BIO_printf(io,"Client certificate\n");
1283 X509_print(io,peer);
1284 PEM_write_bio_X509(io,peer);
1287 BIO_puts(io,"no client certificate available\n");
1288 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1291 else if ((www == 2) && (strncmp("GET /",buf,5) == 0))
1295 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1300 for (e=p; *e != '\0'; e++)
1302 if (e[0] == ' ') break;
1303 if ( (e[0] == '.') &&
1304 (strncmp(&(e[-1]),"/../",4) == 0))
1312 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1320 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1327 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1331 /* append if a directory lookup */
1333 strcat(p,"index.html");
1335 /* if a directory, do the index thang */
1336 if (stat(p,&st_buf) < 0)
1339 BIO_printf(io,"Error accessing '%s'\r\n",p);
1340 ERR_print_errors(io);
1343 if (S_ISDIR(st_buf.st_mode))
1345 strcat(p,"/index.html");
1348 if ((file=BIO_new_file(p,"r")) == NULL)
1351 BIO_printf(io,"Error opening '%s'\r\n",p);
1352 ERR_print_errors(io);
1357 BIO_printf(bio_err,"FILE:%s\n",p);
1360 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1361 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1362 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1363 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1365 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1370 i=BIO_read(file,buf,bufsize);
1375 fprintf(stderr,"%d\n",i);
1376 if (total_bytes > 3*1024)
1379 fprintf(stderr,"RENEGOTIATE\n");
1380 SSL_renegotiate(con);
1387 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1389 k=BIO_write(io,&(buf[j]),i-j);
1392 if (!BIO_should_retry(io))
1396 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1413 i=(int)BIO_flush(io);
1416 if (!BIO_should_retry(io))
1424 /* make sure we re-use sessions */
1425 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1427 /* This kills performace */
1428 /* SSL_shutdown(con); A shutdown gets sent in the
1429 * BIO_free_all(io) procession */
1435 BIO_printf(bio_s_out,"ACCEPT\n");
1437 if (buf != NULL) Free(buf);
1438 if (io != NULL) BIO_free_all(io);
1439 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1444 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1446 static RSA *rsa_tmp=NULL;
1448 if (rsa_tmp == NULL)
1452 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1453 (void)BIO_flush(bio_err);
1455 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1458 BIO_printf(bio_err,"\n");
1459 (void)BIO_flush(bio_err);