/* apps/s_client.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* [including the GNU Public Licence.]
*/
+#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#define USE_SOCKETS
-#ifdef WIN16
+#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 "x509.h"
-#include "ssl.h"
-#include "err.h"
-#include "pem.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
+
+#if defined(NO_RSA) && !defined(NO_SSL2)
+#define NO_SSL2
+#endif
+
#undef PROG
#define PROG s_client_main
#endif
static int c_Pause=0;
static int c_debug=0;
+static int c_showcerts=0;
-#ifndef NOPROTO
static void sc_usage(void);
static void print_stuff(BIO *berr,SSL *con,int full);
-#else
-static void sc_usage();
-static void print_stuff();
-#endif
-
static BIO *bio_c_out=NULL;
static int c_quiet=0;
-static void sc_usage()
+static void sc_usage(void)
{
- BIO_printf(bio_err,"usage: client args\n");
+ 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," -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," -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 - prefered cipher to use, use the 'ssleay ciphers'\n");
- BIO_printf(bio_err," command to se what is available\n");
+ BIO_printf(bio_err," -cipher - prefered cipher to use, use the 'openssl ciphers'\n");
+ BIO_printf(bio_err," command to see what is available\n");
}
-int MAIN(argc, argv)
-int argc;
-char **argv;
+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;
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 write_tty,read_tty,write_ssl,read_ssl,tty_on;
+ 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;
SSL_METHOD *meth=NULL;
BIO *sbio;
- /*static struct timeval timeout={10,0};*/
+#ifdef WINDOWS
+ struct timeval tv;
+#endif
#if !defined(NO_SSL2) && !defined(NO_SSL3)
meth=SSLv23_client_method();
#endif
apps_startup();
+ c_Pause=0;
c_quiet=0;
c_debug=0;
+ c_showcerts=0;
if (bio_err == NULL)
bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
if (--argc < 1) goto bad;
cert_file= *(++argv);
}
+ else if (strcmp(*argv,"-crlf") == 0)
+ crlf=1;
else if (strcmp(*argv,"-quiet") == 0)
c_quiet=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)
#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;
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;
goto end;
}
+ app_RAND_load_file(NULL, bio_err, 0);
+
if (bio_c_out == NULL)
{
if (c_quiet)
goto end;
}
- if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
+ 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_load_verify_locations(ctx,CAfile,CApath)) ||
(!SSL_CTX_set_default_verify_paths(ctx)))
{
- BIO_printf(bio_err,"error seting default verify locations\n");
+ /* BIO_printf(bio_err,"error seting default verify locations\n"); */
ERR_print_errors(bio_err);
- goto end;
+ /* goto end; */
}
SSL_load_error_strings();
con=(SSL *)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",errno);
+ BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
SHUTDOWN(s);
goto end;
}
{
unsigned long l=1;
BIO_printf(bio_c_out,"turning on non blocking io\n");
- socket_ioctl(s,FIONBIO,&l);
+ if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
+ {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
}
#endif
if (c_Pause & 0x01) con->debug=1;
FD_ZERO(&readfds);
FD_ZERO(&writefds);
- if (SSL_in_init(con))
+ if (SSL_in_init(con) && !SSL_total_renegotiations(con))
{
in_init=1;
tty_on=0;
}
}
-#ifndef WINDOWS
- if (tty_on)
+ ssl_pending = read_ssl && SSL_pending(con);
+
+ if (!ssl_pending)
{
- if (read_tty) FD_SET(fileno(stdin),&readfds);
- if (write_tty) FD_SET(fileno(stdout),&writefds);
+#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
- if (read_ssl)
- FD_SET(SSL_get_fd(con),&readfds);
- if (write_ssl)
- FD_SET(SSL_get_fd(con),&writefds);
-
-/* printf("mode tty(%d %d%d) ssl(%d%d)\n",
- tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
-
-/* printf("pending=%d\n",SSL_pending(con)); */
- i=select(width,&readfds,&writefds,NULL,NULL);
- if ( i < 0)
- {
- BIO_printf(bio_err,"bad select %d\n",sock_err());
- goto shut;
- /* goto end; */
+/* 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.
+ */
+ 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() || !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 (FD_ISSET(SSL_get_fd(con),&writefds))
+ if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
{
k=SSL_write(con,&(cbuf[cbuf_off]),
(unsigned int)cbuf_len);
if ((k != 0) || (cbuf_len != 0))
{
BIO_printf(bio_err,"write:errno=%d\n",
- errno);
+ get_last_socket_error());
goto shut;
}
else
goto shut;
}
}
-#ifndef WINDOWS
- else if (FD_ISSET(fileno(stdout),&writefds))
+#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)
write_tty=0;
}
}
-#endif
- else if (FD_ISSET(SSL_get_fd(con),&readfds))
+ else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
{
- k=SSL_read(con,sbuf,BUFSIZZ);
+#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))
{
BIO_printf(bio_c_out,"read X BLOCK\n");
break;
case SSL_ERROR_SYSCALL:
- BIO_printf(bio_err,"read:errno=%d\n",errno);
+ 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");
case SSL_ERROR_SSL:
ERR_print_errors(bio_err);
goto shut;
- break;
+ /* break; */
}
}
-#ifndef WINDOWS
+#ifdef WINDOWS
+ else if (_kbhit())
+#else
else if (FD_ISSET(fileno(stdin),&readfds))
+#endif
{
- i=read(fileno(stdin),cbuf,BUFSIZZ);
+ 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_quiet) && ((i <= 0) || (cbuf[0] == 'Q')))
{
if ((!c_quiet) && (cbuf[0] == 'R'))
{
+ BIO_printf(bio_err,"RENEGOTIATING\n");
SSL_renegotiate(con);
- read_tty=0;
- write_ssl=1;
+ cbuf_len=0;
}
else
{
cbuf_len=i;
cbuf_off=0;
+#ifdef CHARSET_EBCDIC
+ ebcdic2ascii(cbuf, cbuf, i);
+#endif
}
- read_tty=0;
write_ssl=1;
+ read_tty=0;
}
-#endif
}
shut:
SSL_shutdown(con);
}
-static void print_stuff(bio,s,full)
-BIO *bio;
-SSL *s;
-int full;
+static void print_stuff(BIO *bio, SSL *s, int full)
{
- X509 *peer;
+ X509 *peer=NULL;
char *p;
static char *space=" ";
char buf[BUFSIZ];
- STACK *sk;
+ 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)
{
- BIO_printf(bio,"---\nCertficate chain\n");
- for (i=0; i<sk_num(sk); i++)
+ 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((X509 *)
- sk_value(sk,i)),buf,BUFSIZ);
+ 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((X509 *)
- sk_value(sk,i)),buf,BUFSIZ);
+ 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));
}
}
if (peer != NULL)
{
BIO_printf(bio,"Server certificate\n");
- PEM_write_bio_X509(bio,peer);
+ 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);
- X509_free(peer);
}
else
BIO_printf(bio,"no peer certificate available\n");
- sk=SSL_get_client_CA_list(s);
- if ((sk != NULL) && (sk_num(sk) > 0))
+ 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_num(sk); i++)
+ for (i=0; i<sk_X509_NAME_num(sk2); i++)
{
- xn=(X509_NAME *)sk_value(sk,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);
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);
+ BIO_write(bio,space,15-j%25);
i++;
j=0;
BIO_write(bio,((i%3)?" ":"\n"),1);
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);
}
projects / openssl.git / blobdiff