summaryrefslogtreecommitdiffstats
path: root/apps/s_client.c
diff options
context:
space:
mode:
Diffstat (limited to 'apps/s_client.c')
-rw-r--r--apps/s_client.c885
1 files changed, 885 insertions, 0 deletions
diff --git a/apps/s_client.c b/apps/s_client.c
new file mode 100644
index 0000000000..c93531718a
--- /dev/null
+++ b/apps/s_client.c
@@ -0,0 +1,885 @@
+/* apps/s_client.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef NO_STDIO
+#define APPS_WIN16
+#endif
+
+/* With IPv6, it looks like Digital has mixed up the proper order of
+ recursive header file inclusion, resulting in the compiler complaining
+ that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
+ is needed to have fileno() declared correctly... So let's define u_int */
+#if defined(VMS) && defined(__DECC) && !defined(__U_INT)
+#define __U_INT
+typedef unsigned int u_int;
+#endif
+
+#define USE_SOCKETS
+#include "apps.h"
+#include <openssl/x509.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include "s_apps.h"
+
+#ifdef WINDOWS
+#include <conio.h>
+#endif
+
+
+#if (defined(VMS) && __VMS_VER < 70000000)
+/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
+#undef FIONBIO
+#endif
+
+#undef PROG
+#define PROG s_client_main
+
+/*#define SSL_HOST_NAME "www.netscape.com" */
+/*#define SSL_HOST_NAME "193.118.187.102" */
+#define SSL_HOST_NAME "localhost"
+
+/*#define TEST_CERT "client.pem" */ /* no default cert. */
+
+#undef BUFSIZZ
+#define BUFSIZZ 1024*8
+
+extern int verify_depth;
+extern int verify_error;
+
+#ifdef FIONBIO
+static int c_nbio=0;
+#endif
+static int c_Pause=0;
+static int c_debug=0;
+static int c_showcerts=0;
+
+static void sc_usage(void);
+static void print_stuff(BIO *berr,SSL *con,int full);
+static BIO *bio_c_out=NULL;
+static int c_quiet=0;
+static int c_ign_eof=0;
+
+static void sc_usage(void)
+ {
+ BIO_printf(bio_err,"usage: s_client args\n");
+ BIO_printf(bio_err,"\n");
+ BIO_printf(bio_err," -host host - use -connect instead\n");
+ BIO_printf(bio_err," -port port - use -connect instead\n");
+ BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
+
+ BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
+ BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
+ BIO_printf(bio_err," -key arg - Private key file to use, PEM format assumed, in cert file if\n");
+ BIO_printf(bio_err," not specified but cert file is.\n");
+ BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
+ BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
+ BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
+ BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
+ BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
+ BIO_printf(bio_err," -debug - extra output\n");
+ BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
+ BIO_printf(bio_err," -state - print the 'ssl' states\n");
+#ifdef FIONBIO
+ BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
+#endif
+ BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
+ BIO_printf(bio_err," -quiet - no s_client output\n");
+ BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
+ BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
+ BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
+ BIO_printf(bio_err," -tls1 - just use TLSv1\n");
+ BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
+ BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
+ BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
+ BIO_printf(bio_err," command to see what is available\n");
+
+ }
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char **argv)
+ {
+ int off=0;
+ SSL *con=NULL,*con2=NULL;
+ int s,k,width,state=0;
+ char *cbuf=NULL,*sbuf=NULL;
+ int cbuf_len,cbuf_off;
+ int sbuf_len,sbuf_off;
+ fd_set readfds,writefds;
+ short port=PORT;
+ int full_log=1;
+ char *host=SSL_HOST_NAME;
+ char *cert_file=NULL,*key_file=NULL;
+ char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
+ int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
+ int crlf=0;
+ int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
+ SSL_CTX *ctx=NULL;
+ int ret=1,in_init=1,i,nbio_test=0;
+ int prexit = 0;
+ SSL_METHOD *meth=NULL;
+ BIO *sbio;
+#ifdef WINDOWS
+ struct timeval tv;
+#endif
+
+#if !defined(NO_SSL2) && !defined(NO_SSL3)
+ meth=SSLv23_client_method();
+#elif !defined(NO_SSL3)
+ meth=SSLv3_client_method();
+#elif !defined(NO_SSL2)
+ meth=SSLv2_client_method();
+#endif
+
+ apps_startup();
+ c_Pause=0;
+ c_quiet=0;
+ c_ign_eof=0;
+ c_debug=0;
+ c_showcerts=0;
+
+ if (bio_err == NULL)
+ bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
+
+ if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
+ ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
+ {
+ BIO_printf(bio_err,"out of memory\n");
+ goto end;
+ }
+
+ verify_depth=0;
+ verify_error=X509_V_OK;
+#ifdef FIONBIO
+ c_nbio=0;
+#endif
+
+ argc--;
+ argv++;
+ while (argc >= 1)
+ {
+ if (strcmp(*argv,"-host") == 0)
+ {
+ if (--argc < 1) goto bad;
+ host= *(++argv);
+ }
+ else if (strcmp(*argv,"-port") == 0)
+ {
+ if (--argc < 1) goto bad;
+ port=atoi(*(++argv));
+ if (port == 0) goto bad;
+ }
+ else if (strcmp(*argv,"-connect") == 0)
+ {
+ if (--argc < 1) goto bad;
+ if (!extract_host_port(*(++argv),&host,NULL,&port))
+ goto bad;
+ }
+ else if (strcmp(*argv,"-verify") == 0)
+ {
+ verify=SSL_VERIFY_PEER;
+ if (--argc < 1) goto bad;
+ verify_depth=atoi(*(++argv));
+ BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
+ }
+ else if (strcmp(*argv,"-cert") == 0)
+ {
+ if (--argc < 1) goto bad;
+ cert_file= *(++argv);
+ }
+ else if (strcmp(*argv,"-prexit") == 0)
+ prexit=1;
+ else if (strcmp(*argv,"-crlf") == 0)
+ crlf=1;
+ else if (strcmp(*argv,"-quiet") == 0)
+ {
+ c_quiet=1;
+ c_ign_eof=1;
+ }
+ else if (strcmp(*argv,"-ign_eof") == 0)
+ c_ign_eof=1;
+ else if (strcmp(*argv,"-pause") == 0)
+ c_Pause=1;
+ else if (strcmp(*argv,"-debug") == 0)
+ c_debug=1;
+ else if (strcmp(*argv,"-showcerts") == 0)
+ c_showcerts=1;
+ else if (strcmp(*argv,"-nbio_test") == 0)
+ nbio_test=1;
+ else if (strcmp(*argv,"-state") == 0)
+ state=1;
+#ifndef NO_SSL2
+ else if (strcmp(*argv,"-ssl2") == 0)
+ meth=SSLv2_client_method();
+#endif
+#ifndef NO_SSL3
+ else if (strcmp(*argv,"-ssl3") == 0)
+ meth=SSLv3_client_method();
+#endif
+#ifndef NO_TLS1
+ else if (strcmp(*argv,"-tls1") == 0)
+ meth=TLSv1_client_method();
+#endif
+ else if (strcmp(*argv,"-bugs") == 0)
+ bugs=1;
+ else if (strcmp(*argv,"-key") == 0)
+ {
+ if (--argc < 1) goto bad;
+ key_file= *(++argv);
+ }
+ else if (strcmp(*argv,"-reconnect") == 0)
+ {
+ reconnect=5;
+ }
+ else if (strcmp(*argv,"-CApath") == 0)
+ {
+ if (--argc < 1) goto bad;
+ CApath= *(++argv);
+ }
+ else if (strcmp(*argv,"-CAfile") == 0)
+ {
+ if (--argc < 1) goto bad;
+ CAfile= *(++argv);
+ }
+ else if (strcmp(*argv,"-no_tls1") == 0)
+ off|=SSL_OP_NO_TLSv1;
+ else if (strcmp(*argv,"-no_ssl3") == 0)
+ off|=SSL_OP_NO_SSLv3;
+ else if (strcmp(*argv,"-no_ssl2") == 0)
+ off|=SSL_OP_NO_SSLv2;
+ else if (strcmp(*argv,"-cipher") == 0)
+ {
+ if (--argc < 1) goto bad;
+ cipher= *(++argv);
+ }
+#ifdef FIONBIO
+ else if (strcmp(*argv,"-nbio") == 0)
+ { c_nbio=1; }
+#endif
+ else
+ {
+ BIO_printf(bio_err,"unknown option %s\n",*argv);
+ badop=1;
+ break;
+ }
+ argc--;
+ argv++;
+ }
+ if (badop)
+ {
+bad:
+ sc_usage();
+ goto end;
+ }
+
+ app_RAND_load_file(NULL, bio_err, 0);
+
+ if (bio_c_out == NULL)
+ {
+ if (c_quiet)
+ {
+ bio_c_out=BIO_new(BIO_s_null());
+ }
+ else
+ {
+ if (bio_c_out == NULL)
+ bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
+ }
+ }
+
+ OpenSSL_add_ssl_algorithms();
+ SSL_load_error_strings();
+ ctx=SSL_CTX_new(meth);
+ if (ctx == NULL)
+ {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ if (bugs)
+ SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
+ else
+ SSL_CTX_set_options(ctx,off);
+
+ if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
+ if (cipher != NULL)
+ if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
+ BIO_printf(bio_err,"error setting cipher list\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+#if 0
+ else
+ SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
+#endif
+
+ SSL_CTX_set_verify(ctx,verify,verify_callback);
+ if (!set_cert_stuff(ctx,cert_file,key_file))
+ goto end;
+
+ if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
+ (!SSL_CTX_set_default_verify_paths(ctx)))
+ {
+ /* BIO_printf(bio_err,"error setting default verify locations\n"); */
+ ERR_print_errors(bio_err);
+ /* goto end; */
+ }
+
+
+ con=SSL_new(ctx);
+/* SSL_set_cipher_list(con,"RC4-MD5"); */
+
+re_start:
+
+ if (init_client(&s,host,port) == 0)
+ {
+ BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
+ SHUTDOWN(s);
+ goto end;
+ }
+ BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
+
+#ifdef FIONBIO
+ if (c_nbio)
+ {
+ unsigned long l=1;
+ BIO_printf(bio_c_out,"turning on non blocking io\n");
+ if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
+ {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+#endif
+ if (c_Pause & 0x01) con->debug=1;
+ sbio=BIO_new_socket(s,BIO_NOCLOSE);
+
+ if (nbio_test)
+ {
+ BIO *test;
+
+ test=BIO_new(BIO_f_nbio_test());
+ sbio=BIO_push(test,sbio);
+ }
+
+ if (c_debug)
+ {
+ con->debug=1;
+ BIO_set_callback(sbio,bio_dump_cb);
+ BIO_set_callback_arg(sbio,bio_c_out);
+ }
+
+ SSL_set_bio(con,sbio,sbio);
+ SSL_set_connect_state(con);
+
+ /* ok, lets connect */
+ width=SSL_get_fd(con)+1;
+
+ read_tty=1;
+ write_tty=0;
+ tty_on=0;
+ read_ssl=1;
+ write_ssl=1;
+
+ cbuf_len=0;
+ cbuf_off=0;
+ sbuf_len=0;
+ sbuf_off=0;
+
+ for (;;)
+ {
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+
+ if (SSL_in_init(con) && !SSL_total_renegotiations(con))
+ {
+ in_init=1;
+ tty_on=0;
+ }
+ else
+ {
+ tty_on=1;
+ if (in_init)
+ {
+ in_init=0;
+ print_stuff(bio_c_out,con,full_log);
+ if (full_log > 0) full_log--;
+
+ if (reconnect)
+ {
+ reconnect--;
+ BIO_printf(bio_c_out,"drop connection and then reconnect\n");
+ SSL_shutdown(con);
+ SSL_set_connect_state(con);
+ SHUTDOWN(SSL_get_fd(con));
+ goto re_start;
+ }
+ }
+ }
+
+ ssl_pending = read_ssl && SSL_pending(con);
+
+ if (!ssl_pending)
+ {
+#ifndef WINDOWS
+ if (tty_on)
+ {
+ if (read_tty) FD_SET(fileno(stdin),&readfds);
+ if (write_tty) FD_SET(fileno(stdout),&writefds);
+ }
+ if (read_ssl)
+ FD_SET(SSL_get_fd(con),&readfds);
+ if (write_ssl)
+ FD_SET(SSL_get_fd(con),&writefds);
+#else
+ if(!tty_on || !write_tty) {
+ if (read_ssl)
+ FD_SET(SSL_get_fd(con),&readfds);
+ if (write_ssl)
+ FD_SET(SSL_get_fd(con),&writefds);
+ }
+#endif
+/* printf("mode tty(%d %d%d) ssl(%d%d)\n",
+ tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
+
+ /* Note: under VMS with SOCKETSHR the second parameter
+ * is currently of type (int *) whereas under other
+ * systems it is (void *) if you don't have a cast it
+ * will choke the compiler: if you do have a cast then
+ * you can either go for (int *) or (void *).
+ */
+#ifdef WINDOWS
+ /* Under Windows we make the assumption that we can
+ * always write to the tty: therefore if we need to
+ * write to the tty we just fall through. Otherwise
+ * we timeout the select every second and see if there
+ * are any keypresses. Note: this is a hack, in a proper
+ * Windows application we wouldn't do this.
+ */
+ i=0;
+ if(!write_tty) {
+ if(read_tty) {
+ tv.tv_sec = 1;
+ tv.tv_usec = 0;
+ i=select(width,(void *)&readfds,(void *)&writefds,
+ NULL,&tv);
+ if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
+ } else i=select(width,(void *)&readfds,(void *)&writefds,
+ NULL,NULL);
+ }
+#else
+ i=select(width,(void *)&readfds,(void *)&writefds,
+ NULL,NULL);
+#endif
+ if ( i < 0)
+ {
+ BIO_printf(bio_err,"bad select %d\n",
+ get_last_socket_error());
+ goto shut;
+ /* goto end; */
+ }
+ }
+
+ if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
+ {
+ k=SSL_write(con,&(cbuf[cbuf_off]),
+ (unsigned int)cbuf_len);
+ switch (SSL_get_error(con,k))
+ {
+ case SSL_ERROR_NONE:
+ cbuf_off+=k;
+ cbuf_len-=k;
+ if (k <= 0) goto end;
+ /* we have done a write(con,NULL,0); */
+ if (cbuf_len <= 0)
+ {
+ read_tty=1;
+ write_ssl=0;
+ }
+ else /* if (cbuf_len > 0) */
+ {
+ read_tty=0;
+ write_ssl=1;
+ }
+ break;
+ case SSL_ERROR_WANT_WRITE:
+ BIO_printf(bio_c_out,"write W BLOCK\n");
+ write_ssl=1;
+ read_tty=0;
+ break;
+ case SSL_ERROR_WANT_READ:
+ BIO_printf(bio_c_out,"write R BLOCK\n");
+ write_tty=0;
+ read_ssl=1;
+ write_ssl=0;
+ break;
+ case SSL_ERROR_WANT_X509_LOOKUP:
+ BIO_printf(bio_c_out,"write X BLOCK\n");
+ break;
+ case SSL_ERROR_ZERO_RETURN:
+ if (cbuf_len != 0)
+ {
+ BIO_printf(bio_c_out,"shutdown\n");
+ goto shut;
+ }
+ else
+ {
+ read_tty=1;
+ write_ssl=0;
+ break;
+ }
+
+ case SSL_ERROR_SYSCALL:
+ if ((k != 0) || (cbuf_len != 0))
+ {
+ BIO_printf(bio_err,"write:errno=%d\n",
+ get_last_socket_error());
+ goto shut;
+ }
+ else
+ {
+ read_tty=1;
+ write_ssl=0;
+ }
+ break;
+ case SSL_ERROR_SSL:
+ ERR_print_errors(bio_err);
+ goto shut;
+ }
+ }
+#ifdef WINDOWS
+ /* Assume Windows can always write */
+ else if (!ssl_pending && write_tty)
+#else
+ else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
+#endif
+ {
+#ifdef CHARSET_EBCDIC
+ ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
+#endif
+ i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
+
+ if (i <= 0)
+ {
+ BIO_printf(bio_c_out,"DONE\n");
+ goto shut;
+ /* goto end; */
+ }
+
+ sbuf_len-=i;;
+ sbuf_off+=i;
+ if (sbuf_len <= 0)
+ {
+ read_ssl=1;
+ write_tty=0;
+ }
+ }
+ else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
+ {
+#ifdef RENEG
+{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
+#endif
+#if 1
+ k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
+#else
+/* Demo for pending and peek :-) */
+ k=SSL_read(con,sbuf,16);
+{ char zbuf[10240];
+printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
+}
+#endif
+
+ switch (SSL_get_error(con,k))
+ {
+ case SSL_ERROR_NONE:
+ if (k <= 0)
+ goto end;
+ sbuf_off=0;
+ sbuf_len=k;
+
+ read_ssl=0;
+ write_tty=1;
+ break;
+ case SSL_ERROR_WANT_WRITE:
+ BIO_printf(bio_c_out,"read W BLOCK\n");
+ write_ssl=1;
+ read_tty=0;
+ break;
+ case SSL_ERROR_WANT_READ:
+ BIO_printf(bio_c_out,"read R BLOCK\n");
+ write_tty=0;
+ read_ssl=1;
+ if ((read_tty == 0) && (write_ssl == 0))
+ write_ssl=1;
+ break;
+ case SSL_ERROR_WANT_X509_LOOKUP:
+ BIO_printf(bio_c_out,"read X BLOCK\n");
+ break;
+ case SSL_ERROR_SYSCALL:
+ BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
+ goto shut;
+ case SSL_ERROR_ZERO_RETURN:
+ BIO_printf(bio_c_out,"closed\n");
+ goto shut;
+ case SSL_ERROR_SSL:
+ ERR_print_errors(bio_err);
+ goto shut;
+ /* break; */
+ }
+ }
+
+#ifdef WINDOWS
+ else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
+#else
+ else if (FD_ISSET(fileno(stdin),&readfds))
+#endif
+ {
+ if (crlf)
+ {
+ int j, lf_num;
+
+ i=read(fileno(stdin),cbuf,BUFSIZZ/2);
+ lf_num = 0;
+ /* both loops are skipped when i <= 0 */
+ for (j = 0; j < i; j++)
+ if (cbuf[j] == '\n')
+ lf_num++;
+ for (j = i-1; j >= 0; j--)
+ {
+ cbuf[j+lf_num] = cbuf[j];
+ if (cbuf[j] == '\n')
+ {
+ lf_num--;
+ i++;
+ cbuf[j+lf_num] = '\r';
+ }
+ }
+ assert(lf_num == 0);
+ }
+ else
+ i=read(fileno(stdin),cbuf,BUFSIZZ);
+
+ if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
+ {
+ BIO_printf(bio_err,"DONE\n");
+ goto shut;
+ }
+
+ if ((!c_ign_eof) && (cbuf[0] == 'R'))
+ {
+ BIO_printf(bio_err,"RENEGOTIATING\n");
+ SSL_renegotiate(con);
+ cbuf_len=0;
+ }
+ else
+ {
+ cbuf_len=i;
+ cbuf_off=0;
+#ifdef CHARSET_EBCDIC
+ ebcdic2ascii(cbuf, cbuf, i);
+#endif
+ }
+
+ write_ssl=1;
+ read_tty=0;
+ }
+ }
+shut:
+ SSL_shutdown(con);
+ SHUTDOWN(SSL_get_fd(con));
+ ret=0;
+end:
+ if(prexit) print_stuff(bio_c_out,con,1);
+ if (con != NULL) SSL_free(con);
+ if (con2 != NULL) SSL_free(con2);
+ if (ctx != NULL) SSL_CTX_free(ctx);
+ if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); OPENSSL_free(cbuf); }
+ if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); OPENSSL_free(sbuf); }
+ if (bio_c_out != NULL)
+ {
+ BIO_free(bio_c_out);
+ bio_c_out=NULL;
+ }
+ EXIT(ret);
+ }
+
+
+static void print_stuff(BIO *bio, SSL *s, int full)
+ {
+ X509 *peer=NULL;
+ char *p;
+ static char *space=" ";
+ char buf[BUFSIZ];
+ STACK_OF(X509) *sk;
+ STACK_OF(X509_NAME) *sk2;
+ SSL_CIPHER *c;
+ X509_NAME *xn;
+ int j,i;
+
+ if (full)
+ {
+ int got_a_chain = 0;
+
+ sk=SSL_get_peer_cert_chain(s);
+ if (sk != NULL)
+ {
+ got_a_chain = 1; /* we don't have it for SSL2 (yet) */
+
+ BIO_printf(bio,"---\nCertificate chain\n");
+ for (i=0; i<sk_X509_num(sk); i++)
+ {
+ X509_NAME_oneline(X509_get_subject_name(
+ sk_X509_value(sk,i)),buf,BUFSIZ);
+ BIO_printf(bio,"%2d s:%s\n",i,buf);
+ X509_NAME_oneline(X509_get_issuer_name(
+ sk_X509_value(sk,i)),buf,BUFSIZ);
+ BIO_printf(bio," i:%s\n",buf);
+ if (c_showcerts)
+ PEM_write_bio_X509(bio,sk_X509_value(sk,i));
+ }
+ }
+
+ BIO_printf(bio,"---\n");
+ peer=SSL_get_peer_certificate(s);
+ if (peer != NULL)
+ {
+ BIO_printf(bio,"Server certificate\n");
+ if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
+ PEM_write_bio_X509(bio,peer);
+ X509_NAME_oneline(X509_get_subject_name(peer),
+ buf,BUFSIZ);
+ BIO_printf(bio,"subject=%s\n",buf);
+ X509_NAME_oneline(X509_get_issuer_name(peer),
+ buf,BUFSIZ);
+ BIO_printf(bio,"issuer=%s\n",buf);
+ }
+ else
+ BIO_printf(bio,"no peer certificate available\n");
+
+ sk2=SSL_get_client_CA_list(s);
+ if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
+ {
+ BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
+ for (i=0; i<sk_X509_NAME_num(sk2); i++)
+ {
+ xn=sk_X509_NAME_value(sk2,i);
+ X509_NAME_oneline(xn,buf,sizeof(buf));
+ BIO_write(bio,buf,strlen(buf));
+ BIO_write(bio,"\n",1);
+ }
+ }
+ else
+ {
+ BIO_printf(bio,"---\nNo client certificate CA names sent\n");
+ }
+ p=SSL_get_shared_ciphers(s,buf,BUFSIZ);
+ if (p != NULL)
+ {
+ /* This works only for SSL 2. In later protocol
+ * versions, the client does not know what other
+ * ciphers (in addition to the one to be used
+ * in the current connection) the server supports. */
+
+ BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
+ j=i=0;
+ while (*p)
+ {
+ if (*p == ':')
+ {
+ BIO_write(bio,space,15-j%25);
+ i++;
+ j=0;
+ BIO_write(bio,((i%3)?" ":"\n"),1);
+ }
+ else
+ {
+ BIO_write(bio,p,1);
+ j++;
+ }
+ p++;
+ }
+ BIO_write(bio,"\n",1);
+ }
+
+ BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
+ BIO_number_read(SSL_get_rbio(s)),
+ BIO_number_written(SSL_get_wbio(s)));
+ }
+ BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
+ c=SSL_get_current_cipher(s);
+ BIO_printf(bio,"%s, Cipher is %s\n",
+ SSL_CIPHER_get_version(c),
+ SSL_CIPHER_get_name(c));
+ if (peer != NULL) {
+ EVP_PKEY *pktmp;
+ pktmp = X509_get_pubkey(peer);
+ BIO_printf(bio,"Server public key is %d bit\n",
+ EVP_PKEY_bits(pktmp));
+ EVP_PKEY_free(pktmp);
+ }
+ SSL_SESSION_print(bio,SSL_get_session(s));
+ BIO_printf(bio,"---\n");
+ if (peer != NULL)
+ X509_free(peer);
+ }
+