2 /* Copyright (C) 1995-1997 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.]
74 #define PROG s_client_main
76 /*#define SSL_HOST_NAME "www.netscape.com" */
77 /*#define SSL_HOST_NAME "193.118.187.102" */
78 #define SSL_HOST_NAME "localhost"
80 /*#define TEST_CERT "client.pem" */ /* no default cert. */
83 #define BUFSIZZ 1024*8
85 extern int verify_depth
;
86 extern int verify_error
;
95 static void sc_usage(void);
96 static void print_stuff(BIO
*berr
,SSL
*con
,int full
);
98 static void sc_usage();
99 static void print_stuff();
102 static BIO
*bio_c_out
=NULL
;
103 static int c_quiet
=0;
105 static void sc_usage()
107 BIO_printf(bio_err
,"usage: client args\n");
108 BIO_printf(bio_err
,"\n");
109 BIO_printf(bio_err
," -host host - use -connect instead\n");
110 BIO_printf(bio_err
," -port port - use -connect instead\n");
111 BIO_printf(bio_err
," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME
,PORT_STR
);
113 BIO_printf(bio_err
," -verify arg - turn on peer certificate verification\n");
114 BIO_printf(bio_err
," -cert arg - certificate file to use, PEM format assumed\n");
115 BIO_printf(bio_err
," -key arg - Private key file to use, PEM format assumed, in cert file if\n");
116 BIO_printf(bio_err
," not specified but cert file is.\n");
117 BIO_printf(bio_err
," -CApath arg - PEM format directory of CA's\n");
118 BIO_printf(bio_err
," -CAfile arg - PEM format file of CA's\n");
119 BIO_printf(bio_err
," -reconnect - Drop and re-make the connection with the same Session-ID\n");
120 BIO_printf(bio_err
," -pause - sleep(1) after each read(2) and write(2) system call\n");
121 BIO_printf(bio_err
," -debug - extra output\n");
122 BIO_printf(bio_err
," -nbio_test - more ssl protocol testing\n");
123 BIO_printf(bio_err
," -state - print the 'ssl' states\n");
125 BIO_printf(bio_err
," -nbio - Run with non-blocking IO\n");
127 BIO_printf(bio_err
," -quiet - no s_client output\n");
128 BIO_printf(bio_err
," -ssl2 - just use SSLv2\n");
129 BIO_printf(bio_err
," -ssl3 - just use SSLv3\n");
130 BIO_printf(bio_err
," -bugs - Switch on all SSL implementation bug workarounds\n");
131 BIO_printf(bio_err
," -cipher - prefered cipher to use, use the 'ssleay ciphers'\n");
132 BIO_printf(bio_err
," command to se what is available\n");
140 SSL
*con
=NULL
,*con2
=NULL
;
141 int s
,k
,width
,state
=0;
142 char *cbuf
=NULL
,*sbuf
=NULL
;
143 int cbuf_len
,cbuf_off
;
144 int sbuf_len
,sbuf_off
;
145 fd_set readfds
,writefds
;
148 char *host
=SSL_HOST_NAME
;
149 char *cert_file
=NULL
,*key_file
=NULL
;
150 char *CApath
=NULL
,*CAfile
=NULL
,*cipher
=NULL
;
151 int reconnect
=0,badop
=0,verify
=SSL_VERIFY_NONE
,bugs
=0;
152 int write_tty
,read_tty
,write_ssl
,read_ssl
,tty_on
;
154 int ret
=1,in_init
=1,i
,nbio_test
=0;
155 SSL_METHOD
*meth
=NULL
;
157 /*static struct timeval timeout={10,0};*/
159 #if !defined(NO_SSL2) && !defined(NO_SSL3)
160 meth
=SSLv23_client_method();
161 #elif !defined(NO_SSL3)
162 meth
=SSLv3_client_method();
163 #elif !defined(NO_SSL2)
164 meth
=SSLv2_client_method();
172 bio_err
=BIO_new_fp(stderr
,BIO_NOCLOSE
);
174 if ( ((cbuf
=Malloc(BUFSIZZ
)) == NULL
) ||
175 ((sbuf
=Malloc(BUFSIZZ
)) == NULL
))
177 BIO_printf(bio_err
,"out of memory\n");
182 verify_error
=X509_V_OK
;
191 if (strcmp(*argv
,"-host") == 0)
193 if (--argc
< 1) goto bad
;
196 else if (strcmp(*argv
,"-port") == 0)
198 if (--argc
< 1) goto bad
;
199 port
=atoi(*(++argv
));
200 if (port
== 0) goto bad
;
202 else if (strcmp(*argv
,"-connect") == 0)
204 if (--argc
< 1) goto bad
;
205 if (!extract_host_port(*(++argv
),&host
,NULL
,&port
))
208 else if (strcmp(*argv
,"-verify") == 0)
210 verify
=SSL_VERIFY_PEER
;
211 if (--argc
< 1) goto bad
;
212 verify_depth
=atoi(*(++argv
));
213 BIO_printf(bio_err
,"verify depth is %d\n",verify_depth
);
215 else if (strcmp(*argv
,"-cert") == 0)
217 if (--argc
< 1) goto bad
;
218 cert_file
= *(++argv
);
220 else if (strcmp(*argv
,"-quiet") == 0)
222 else if (strcmp(*argv
,"-pause") == 0)
224 else if (strcmp(*argv
,"-debug") == 0)
226 else if (strcmp(*argv
,"-nbio_test") == 0)
228 else if (strcmp(*argv
,"-state") == 0)
231 else if (strcmp(*argv
,"-ssl2") == 0)
232 meth
=SSLv2_client_method();
235 else if (strcmp(*argv
,"-ssl3") == 0)
236 meth
=SSLv3_client_method();
238 else if (strcmp(*argv
,"-bugs") == 0)
240 else if (strcmp(*argv
,"-key") == 0)
242 if (--argc
< 1) goto bad
;
245 else if (strcmp(*argv
,"-reconnect") == 0)
249 else if (strcmp(*argv
,"-CApath") == 0)
251 if (--argc
< 1) goto bad
;
254 else if (strcmp(*argv
,"-CAfile") == 0)
256 if (--argc
< 1) goto bad
;
259 else if (strcmp(*argv
,"-cipher") == 0)
261 if (--argc
< 1) goto bad
;
265 else if (strcmp(*argv
,"-nbio") == 0)
270 BIO_printf(bio_err
,"unknown option %s\n",*argv
);
284 if (bio_c_out
== NULL
)
288 bio_c_out
=BIO_new(BIO_s_null());
292 if (bio_c_out
== NULL
)
293 bio_c_out
=BIO_new_fp(stdout
,BIO_NOCLOSE
);
297 SSLeay_add_ssl_algorithms();
298 ctx
=SSL_CTX_new(meth
);
301 ERR_print_errors(bio_err
);
305 if (bugs
) SSL_CTX_set_options(ctx
,SSL_OP_ALL
);
307 if (state
) SSL_CTX_set_info_callback(ctx
,apps_ssl_info_callback
);
309 SSL_CTX_set_cipher_list(ctx
,cipher
);
312 SSL_CTX_set_cipher_list(ctx
,getenv("SSL_CIPHER"));
315 SSL_CTX_set_verify(ctx
,verify
,verify_callback
);
316 if (!set_cert_stuff(ctx
,cert_file
,key_file
))
319 if ((!SSL_CTX_load_verify_locations(ctx
,CAfile
,CApath
)) ||
320 (!SSL_CTX_set_default_verify_paths(ctx
)))
322 BIO_printf(bio_err
,"error seting default verify locations\n");
323 ERR_print_errors(bio_err
);
327 SSL_load_error_strings();
329 con
=(SSL
*)SSL_new(ctx
);
333 if (init_client(&s
,host
,port
) == 0)
335 BIO_printf(bio_err
,"connect:errno=%d\n",errno
);
339 BIO_printf(bio_c_out
,"CONNECTED(%08X)\n",s
);
345 BIO_printf(bio_c_out
,"turning on non blocking io\n");
346 socket_ioctl(s
,FIONBIO
,&l
);
349 if (c_Pause
& 0x01) con
->debug
=1;
350 sbio
=BIO_new_socket(s
,BIO_NOCLOSE
);
356 test
=BIO_new(BIO_f_nbio_test());
357 sbio
=BIO_push(test
,sbio
);
363 BIO_set_callback(sbio
,bio_dump_cb
);
364 BIO_set_callback_arg(sbio
,bio_c_out
);
367 SSL_set_bio(con
,sbio
,sbio
);
368 SSL_set_connect_state(con
);
370 /* ok, lets connect */
371 width
=SSL_get_fd(con
)+1;
389 if (SSL_in_init(con
))
400 print_stuff(bio_c_out
,con
,full_log
);
401 if (full_log
> 0) full_log
--;
406 BIO_printf(bio_c_out
,"drop connection and then reconnect\n");
408 SSL_set_connect_state(con
);
409 SHUTDOWN(SSL_get_fd(con
));
418 if (read_tty
) FD_SET(fileno(stdin
),&readfds
);
419 if (write_tty
) FD_SET(fileno(stdout
),&writefds
);
423 FD_SET(SSL_get_fd(con
),&readfds
);
425 FD_SET(SSL_get_fd(con
),&writefds
);
427 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
428 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
430 /* printf("pending=%d\n",SSL_pending(con)); */
431 i
=select(width
,&readfds
,&writefds
,NULL
,NULL
);
434 BIO_printf(bio_err
,"bad select %d\n",sock_err());
439 if (FD_ISSET(SSL_get_fd(con
),&writefds
))
441 k
=SSL_write(con
,&(cbuf
[cbuf_off
]),
442 (unsigned int)cbuf_len
);
443 switch (SSL_get_error(con
,k
))
448 if (k
<= 0) goto end
;
449 /* we have done a write(con,NULL,0); */
455 else /* if (cbuf_len > 0) */
461 case SSL_ERROR_WANT_WRITE
:
462 BIO_printf(bio_c_out
,"write W BLOCK\n");
466 case SSL_ERROR_WANT_READ
:
467 BIO_printf(bio_c_out
,"write R BLOCK\n");
472 case SSL_ERROR_WANT_X509_LOOKUP
:
473 BIO_printf(bio_c_out
,"write X BLOCK\n");
475 case SSL_ERROR_ZERO_RETURN
:
478 BIO_printf(bio_c_out
,"shutdown\n");
488 case SSL_ERROR_SYSCALL
:
489 if ((k
!= 0) || (cbuf_len
!= 0))
491 BIO_printf(bio_err
,"write:errno=%d\n",
502 ERR_print_errors(bio_err
);
507 else if (FD_ISSET(fileno(stdout
),&writefds
))
509 i
=write(fileno(stdout
),&(sbuf
[sbuf_off
]),sbuf_len
);
513 BIO_printf(bio_c_out
,"DONE\n");
527 else if (FD_ISSET(SSL_get_fd(con
),&readfds
))
529 k
=SSL_read(con
,sbuf
,BUFSIZZ
);
531 switch (SSL_get_error(con
,k
))
542 case SSL_ERROR_WANT_WRITE
:
543 BIO_printf(bio_c_out
,"read W BLOCK\n");
547 case SSL_ERROR_WANT_READ
:
548 BIO_printf(bio_c_out
,"read R BLOCK\n");
551 if ((read_tty
== 0) && (write_ssl
== 0))
554 case SSL_ERROR_WANT_X509_LOOKUP
:
555 BIO_printf(bio_c_out
,"read X BLOCK\n");
557 case SSL_ERROR_SYSCALL
:
558 BIO_printf(bio_err
,"read:errno=%d\n",errno
);
560 case SSL_ERROR_ZERO_RETURN
:
561 BIO_printf(bio_c_out
,"closed\n");
564 ERR_print_errors(bio_err
);
571 else if (FD_ISSET(fileno(stdin
),&readfds
))
573 i
=read(fileno(stdin
),cbuf
,BUFSIZZ
);
575 if ((!c_quiet
) && ((i
<= 0) || (cbuf
[0] == 'Q')))
577 BIO_printf(bio_err
,"DONE\n");
581 if ((!c_quiet
) && (cbuf
[0] == 'R'))
583 SSL_renegotiate(con
);
600 SHUTDOWN(SSL_get_fd(con
));
603 if (con
!= NULL
) SSL_free(con
);
604 if (con2
!= NULL
) SSL_free(con2
);
605 if (ctx
!= NULL
) SSL_CTX_free(ctx
);
606 if (cbuf
!= NULL
) { memset(cbuf
,0,BUFSIZZ
); Free(cbuf
); }
607 if (sbuf
!= NULL
) { memset(sbuf
,0,BUFSIZZ
); Free(sbuf
); }
608 if (bio_c_out
!= NULL
)
617 static void print_stuff(bio
,s
,full
)
624 static char *space
=" ";
633 sk
=SSL_get_peer_cert_chain(s
);
636 BIO_printf(bio
,"---\nCertficate chain\n");
637 for (i
=0; i
<sk_num(sk
); i
++)
639 X509_NAME_oneline(X509_get_subject_name((X509
*)
640 sk_value(sk
,i
)),buf
,BUFSIZ
);
641 BIO_printf(bio
,"%2d s:%s\n",i
,buf
);
642 X509_NAME_oneline(X509_get_issuer_name((X509
*)
643 sk_value(sk
,i
)),buf
,BUFSIZ
);
644 BIO_printf(bio
," i:%s\n",buf
);
648 BIO_printf(bio
,"---\n");
649 peer
=SSL_get_peer_certificate(s
);
652 BIO_printf(bio
,"Server certificate\n");
653 PEM_write_bio_X509(bio
,peer
);
654 X509_NAME_oneline(X509_get_subject_name(peer
),
656 BIO_printf(bio
,"subject=%s\n",buf
);
657 X509_NAME_oneline(X509_get_issuer_name(peer
),
659 BIO_printf(bio
,"issuer=%s\n",buf
);
663 BIO_printf(bio
,"no peer certificate available\n");
665 sk
=SSL_get_client_CA_list(s
);
666 if ((sk
!= NULL
) && (sk_num(sk
) > 0))
668 BIO_printf(bio
,"---\nAcceptable client certificate CA names\n");
669 for (i
=0; i
<sk_num(sk
); i
++)
671 xn
=(X509_NAME
*)sk_value(sk
,i
);
672 X509_NAME_oneline(xn
,buf
,sizeof(buf
));
673 BIO_write(bio
,buf
,strlen(buf
));
674 BIO_write(bio
,"\n",1);
679 BIO_printf(bio
,"---\nNo client certificate CA names sent\n");
681 p
=SSL_get_shared_ciphers(s
,buf
,BUFSIZ
);
684 BIO_printf(bio
,"---\nCiphers common between both SSL endpoints:\n");
690 BIO_write(bio
,space
,15-j
);
693 BIO_write(bio
,((i
%3)?" ":"\n"),1);
702 BIO_write(bio
,"\n",1);
705 BIO_printf(bio
,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
706 BIO_number_read(SSL_get_rbio(s
)),
707 BIO_number_written(SSL_get_wbio(s
)));
709 BIO_printf(bio
,((s
->hit
)?"---\nReused, ":"---\nNew, "));
710 c
=SSL_get_current_cipher(s
);
711 BIO_printf(bio
,"%s, Cipher is %s\n",
712 SSL_CIPHER_get_version(c
),
713 SSL_CIPHER_get_name(c
));
714 SSL_SESSION_print(bio
,SSL_get_session(s
));
715 BIO_printf(bio
,"---\n");