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");