* [including the GNU Public Licence.]
*/
/* ====================================================================
- * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* Hudson (tjh@cryptsoft.com).
*
*/
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <assert.h>
+#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <openssl/pem.h>
#include <openssl/rand.h>
#include "s_apps.h"
-
-#ifdef OPENSSL_SYS_WINCE
-/* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
-#ifdef fileno
-#undef fileno
-#endif
-#define fileno(a) (int)_fileno(a)
-#endif
-
+#include "timeouts.h"
#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
static int c_quiet=0;
static int c_ign_eof=0;
+#ifndef OPENSSL_NO_PSK
+/* Default PSK identity and key */
+static char *psk_identity="Client_identity";
+static char *psk_key=NULL; /* by default PSK is not used */
+
+static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
+ unsigned int max_identity_len, unsigned char *psk,
+ unsigned int max_psk_len)
+ {
+ unsigned int psk_len = 0;
+ int ret;
+ BIGNUM *bn=NULL;
+
+ if (c_debug)
+ BIO_printf(bio_c_out, "psk_client_cb\n");
+ if (!hint)
+ {
+ /* no ServerKeyExchange message*/
+ if (c_debug)
+ BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
+ }
+ else if (c_debug)
+ BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
+
+ /* lookup PSK identity and PSK key based on the given identity hint here */
+ ret = BIO_snprintf(identity, max_identity_len, psk_identity);
+ if (ret < 0 || (unsigned int)ret > max_identity_len)
+ goto out_err;
+ if (c_debug)
+ BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
+ ret=BN_hex2bn(&bn, psk_key);
+ if (!ret)
+ {
+ BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
+ if (bn)
+ BN_free(bn);
+ return 0;
+ }
+
+ if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
+ {
+ BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
+ max_psk_len, BN_num_bytes(bn));
+ BN_free(bn);
+ return 0;
+ }
+
+ psk_len=BN_bn2bin(bn, psk);
+ BN_free(bn);
+ if (psk_len == 0)
+ goto out_err;
+
+ if (c_debug)
+ BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
+
+ return psk_len;
+ out_err:
+ if (c_debug)
+ BIO_printf(bio_err, "Error in PSK client callback\n");
+ return 0;
+ }
+#endif
+
static void sc_usage(void)
{
BIO_printf(bio_err,"usage: s_client args\n");
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");
+#ifndef OPENSSL_NO_PSK
+ BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
+ BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
+#endif
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," -dtls1 - just use DTLSv1\n");
+ BIO_printf(bio_err," -mtu - set the MTU\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," -serverpref - Use server's cipher preferences (only SSLv2)\n");
BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
#endif
BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
+#ifndef OPENSSL_NO_TLSEXT
+ BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
+#endif
+ }
+#ifndef OPENSSL_NO_TLSEXT
+
+/* This is a context that we pass to callbacks */
+typedef struct tlsextctx_st {
+ BIO * biodebug;
+ int ack;
+} tlsextctx;
+
+
+static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
+ {
+ tlsextctx * p = (tlsextctx *) arg;
+ const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
+ if (SSL_get_servername_type(s) != -1)
+ p->ack = !SSL_session_reused(s) && hn != NULL;
+ else
+ BIO_printf(bio_err,"Can't use SSL_get_servername\n");
+
+ return SSL_TLSEXT_ERR_OK;
}
+#endif
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
int off=0;
- SSL *con=NULL,*con2=NULL;
+ SSL *con=NULL;
X509_STORE *store = NULL;
int s,k,width,state=0;
char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
int ret=1,in_init=1,i,nbio_test=0;
int starttls_proto = 0;
int prexit = 0, vflags = 0;
- SSL_METHOD *meth=NULL;
+ const SSL_METHOD *meth=NULL;
+ int socket_type=SOCK_STREAM;
BIO *sbio;
char *inrand=NULL;
#ifndef OPENSSL_NO_ENGINE
struct timeval tv;
#endif
+#ifndef OPENSSL_NO_TLSEXT
+ char *servername = NULL;
+ tlsextctx tlsextcbp =
+ {NULL,0};
+#endif
+ struct sockaddr peer;
+ int peerlen = sizeof(peer);
+ int enable_timeouts = 0 ;
+ long socket_mtu = 0;
+
#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
meth=SSLv23_client_method();
#elif !defined(OPENSSL_NO_SSL3)
nbio_test=1;
else if (strcmp(*argv,"-state") == 0)
state=1;
+#ifndef OPENSSL_NO_PSK
+ else if (strcmp(*argv,"-psk_identity") == 0)
+ {
+ if (--argc < 1) goto bad;
+ psk_identity=*(++argv);
+ }
+ else if (strcmp(*argv,"-psk") == 0)
+ {
+ size_t j;
+
+ if (--argc < 1) goto bad;
+ psk_key=*(++argv);
+ for (j = 0; j < strlen(psk_key); j++)
+ {
+ if (isxdigit((int)psk_key[j]))
+ continue;
+ BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
+ goto bad;
+ }
+ }
+#endif
#ifndef OPENSSL_NO_SSL2
else if (strcmp(*argv,"-ssl2") == 0)
meth=SSLv2_client_method();
#ifndef OPENSSL_NO_TLS1
else if (strcmp(*argv,"-tls1") == 0)
meth=TLSv1_client_method();
+#endif
+#ifndef OPENSSL_NO_DTLS1
+ else if (strcmp(*argv,"-dtls1") == 0)
+ {
+ meth=DTLSv1_client_method();
+ socket_type=SOCK_DGRAM;
+ }
+ else if (strcmp(*argv,"-timeout") == 0)
+ enable_timeouts=1;
+ else if (strcmp(*argv,"-mtu") == 0)
+ {
+ if (--argc < 1) goto bad;
+ socket_mtu = atol(*(++argv));
+ }
#endif
else if (strcmp(*argv,"-bugs") == 0)
bugs=1;
off|=SSL_OP_NO_SSLv3;
else if (strcmp(*argv,"-no_ssl2") == 0)
off|=SSL_OP_NO_SSLv2;
+ else if (strcmp(*argv,"-no_comp") == 0)
+ { off|=SSL_OP_NO_COMPRESSION; }
else if (strcmp(*argv,"-serverpref") == 0)
off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
else if (strcmp(*argv,"-cipher") == 0)
if (--argc < 1) goto bad;
inrand= *(++argv);
}
+#ifndef OPENSSL_NO_TLSEXT
+ else if (strcmp(*argv,"-servername") == 0)
+ {
+ if (--argc < 1) goto bad;
+ servername= *(++argv);
+ /* meth=TLSv1_client_method(); */
+ }
+#endif
else
{
BIO_printf(bio_err,"unknown option %s\n",*argv);
goto end;
}
+#ifndef OPENSSL_NO_PSK
+ if (psk_key != NULL)
+ {
+ if (c_debug)
+ BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
+ SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
+ }
+#endif
if (bugs)
SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
else
SSL_CTX_set_options(ctx,off);
+ /* DTLS: partial reads end up discarding unread UDP bytes :-(
+ * Setting read ahead solves this problem.
+ */
+ if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
if (cipher != NULL)
store = SSL_CTX_get_cert_store(ctx);
X509_STORE_set_flags(store, vflags);
+#ifndef OPENSSL_NO_TLSEXT
+ if (servername != NULL)
+ {
+ tlsextcbp.biodebug = bio_err;
+ SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
+ SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
+ }
+#endif
con=SSL_new(ctx);
+#ifndef OPENSSL_NO_TLSEXT
+ if (servername != NULL)
+ {
+ if (!SSL_set_tlsext_host_name(con,servername))
+ {
+ BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+#endif
#ifndef OPENSSL_NO_KRB5
if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
{
re_start:
- if (init_client(&s,host,port) == 0)
+ if (init_client(&s,host,port,socket_type) == 0)
{
BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
SHUTDOWN(s);
}
#endif
if (c_Pause & 0x01) con->debug=1;
- sbio=BIO_new_socket(s,BIO_NOCLOSE);
+
+ if ( SSL_version(con) == DTLS1_VERSION)
+ {
+ struct timeval timeout;
+
+ sbio=BIO_new_dgram(s,BIO_NOCLOSE);
+ if (getsockname(s, &peer, (void *)&peerlen) < 0)
+ {
+ BIO_printf(bio_err, "getsockname:errno=%d\n",
+ get_last_socket_error());
+ SHUTDOWN(s);
+ goto end;
+ }
+
+ BIO_ctrl_set_connected(sbio, 1, &peer);
+
+ if (enable_timeouts)
+ {
+ timeout.tv_sec = 0;
+ timeout.tv_usec = DGRAM_RCV_TIMEOUT;
+ BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
+
+ timeout.tv_sec = 0;
+ timeout.tv_usec = DGRAM_SND_TIMEOUT;
+ BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
+ }
+
+ if (socket_mtu > 0)
+ {
+ SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
+ SSL_set_mtu(con, socket_mtu);
+ }
+ else
+ /* want to do MTU discovery */
+ BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
+ }
+ else
+ sbio=BIO_new_socket(s,BIO_NOCLOSE);
+
+
if (nbio_test)
{
if (in_init)
{
in_init=0;
+#ifndef OPENSSL_NO_TLSEXT
+ if (servername != NULL && !SSL_session_reused(con))
+ {
+ BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
+ }
+#endif
print_stuff(bio_c_out,con,full_log);
if (full_log > 0) full_log--;
#ifdef CHARSET_EBCDIC
ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
#endif
- i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
+ i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
if (i <= 0)
{
else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
#endif
#elif defined (OPENSSL_SYS_NETWARE)
- else if (_kbhit())
+ else if (_kbhit())
#else
else if (FD_ISSET(fileno(stdin),&readfds))
#endif
{
int j, lf_num;
- i=read(fileno(stdin),cbuf,BUFSIZZ/2);
+ i=raw_read_stdin(cbuf,BUFSIZZ/2);
lf_num = 0;
/* both loops are skipped when i <= 0 */
for (j = 0; j < i; j++)
assert(lf_num == 0);
}
else
- i=read(fileno(stdin),cbuf,BUFSIZZ);
+ i=raw_read_stdin(cbuf,BUFSIZZ);
if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
{
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 (con != NULL)
+ {
+ if (prexit != 0)
+ print_stuff(bio_c_out,con,1);
+ SSL_free(con);
+ }
if (ctx != NULL) SSL_CTX_free(ctx);
if (cert)
X509_free(cert);
SSL_CIPHER *c;
X509_NAME *xn;
int j,i;
+#ifndef OPENSSL_NO_COMP
const COMP_METHOD *comp, *expansion;
+#endif
if (full)
{
EVP_PKEY_bits(pktmp));
EVP_PKEY_free(pktmp);
}
+#ifndef OPENSSL_NO_COMP
comp=SSL_get_current_compression(s);
expansion=SSL_get_current_expansion(s);
BIO_printf(bio,"Compression: %s\n",
comp ? SSL_COMP_get_name(comp) : "NONE");
BIO_printf(bio,"Expansion: %s\n",
expansion ? SSL_COMP_get_name(expansion) : "NONE");
+#endif
SSL_SESSION_print(bio,SSL_get_session(s));
BIO_printf(bio,"---\n");
if (peer != NULL)