X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=apps%2Fs_server.c;h=5ebbf6b8765160bfdb0884f2f4ac8850bc84bf74;hp=ac43e5aac1de0b3d46cc48cc39fe0f6140fee4b5;hb=c869da8839ef5af9df5a4d98f518b079240a0d4b;hpb=5d20c4fb3582a0e6cbf8513c94c60e4cd326716d

diff --git a/apps/s_server.c b/apps/s_server.c
index ac43e5aac1..5ebbf6b876 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -179,6 +179,7 @@ typedef unsigned int u_int;
 #include <openssl/x509.h>
 #include <openssl/ssl.h>
 #include <openssl/rand.h>
+#include <openssl/ocsp.h>
 #ifndef OPENSSL_NO_DH
 #include <openssl/dh.h>
 #endif
@@ -281,6 +282,11 @@ static int www=0;
 
 static BIO *bio_s_out=NULL;
 static int s_debug=0;
+#ifndef OPENSSL_NO_TLSEXT
+static int s_tlsextdebug=0;
+static int s_tlsextstatus=0;
+static int cert_status_cb(SSL *s, void *arg);
+#endif
 static int s_msg=0;
 static int s_quiet=0;
 
@@ -292,11 +298,13 @@ static const char *session_id_prefix=NULL;
 
 static int enable_timeouts = 0;
 static long socket_mtu;
+#ifndef OPENSSL_NO_DTLS1
 static int cert_chain = 0;
+#endif
 
 #ifndef OPENSSL_NO_PSK
 static char *psk_identity="Client_identity";
-static char *psk_key=NULL; /* by default PSK is not used */
+char *psk_key=NULL; /* by default PSK is not used */
 
 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 	unsigned char *psk, unsigned int max_psk_len)
@@ -314,12 +322,14 @@ static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 		}
 	if (s_debug)
 		BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
-			identity ? strlen(identity) : 0, identity);
+			identity ? (int)strlen(identity) : 0, identity);
 
 	/* here we could lookup the given identity e.g. from a database */
   	if (strcmp(identity, psk_identity) != 0)
 		{
-                BIO_printf(bio_s_out, "PSK error: client identity not found\n");
+                BIO_printf(bio_s_out, "PSK error: client identity not found"
+			   " (got '%s' expected '%s')\n", identity,
+			   psk_identity);
 		goto out_err;
                 }
 	if (s_debug)
@@ -402,6 +412,11 @@ static void sv_usage(void)
 	BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 	BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 	BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
+	BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
+	                   "                 The CRL(s) are appended to the certificate file\n");
+	BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
+	                   "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
+	                   "                 the certificate file.\n");
 	BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 	BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 	BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
@@ -437,13 +452,16 @@ static void sv_usage(void)
 #ifndef OPENSSL_NO_PSK
 	BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 	BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
+# ifndef OPENSSL_NO_JPAKE
+	BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
+# endif
 #endif
 	BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 	BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 	BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 	BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 	BIO_printf(bio_err," -timeout      - Enable timeouts\n");
-	BIO_printf(bio_err," -mtu          - Set MTU\n");
+	BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 	BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 	BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 	BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
@@ -471,6 +489,8 @@ static void sv_usage(void)
 	BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 	BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 	BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
+	BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
+	BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 #endif
 	}
 
@@ -653,20 +673,170 @@ static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 			return p->extension_error;
 		if (ctx2)
 			{
-			BIO_printf(p->biodebug,"Swiching server context.\n");
+			BIO_printf(p->biodebug,"Switching server context.\n");
 			SSL_set_SSL_CTX(s,ctx2);
 			}     
 		}
 	return SSL_TLSEXT_ERR_OK;
 }
+
+/* Structure passed to cert status callback */
+
+typedef struct tlsextstatusctx_st {
+   /* Default responder to use */
+   char *host, *path, *port;
+   int use_ssl;
+   int timeout;
+   BIO *err;
+   int verbose;
+} tlsextstatusctx;
+
+static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
+
+/* Certificate Status callback. This is called when a client includes a
+ * certificate status request extension.
+ *
+ * This is a simplified version. It examines certificates each time and
+ * makes one OCSP responder query for each request.
+ *
+ * A full version would store details such as the OCSP certificate IDs and
+ * minimise the number of OCSP responses by caching them until they were
+ * considered "expired".
+ */
+
+static int cert_status_cb(SSL *s, void *arg)
+	{
+	tlsextstatusctx *srctx = arg;
+	BIO *err = srctx->err;
+	char *host, *port, *path;
+	int use_ssl;
+	unsigned char *rspder = NULL;
+	int rspderlen;
+	STACK_OF(OPENSSL_STRING) *aia = NULL;
+	X509 *x = NULL;
+	X509_STORE_CTX inctx;
+	X509_OBJECT obj;
+	OCSP_REQUEST *req = NULL;
+	OCSP_RESPONSE *resp = NULL;
+	OCSP_CERTID *id = NULL;
+	STACK_OF(X509_EXTENSION) *exts;
+	int ret = SSL_TLSEXT_ERR_NOACK;
+	int i;
+#if 0
+STACK_OF(OCSP_RESPID) *ids;
+SSL_get_tlsext_status_ids(s, &ids);
+BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
+#endif
+	if (srctx->verbose)
+		BIO_puts(err, "cert_status: callback called\n");
+	/* Build up OCSP query from server certificate */
+	x = SSL_get_certificate(s);
+	aia = X509_get1_ocsp(x);
+	if (aia)
+		{
+		if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
+			&host, &port, &path, &use_ssl))
+			{
+			BIO_puts(err, "cert_status: can't parse AIA URL\n");
+			goto err;
+			}
+		if (srctx->verbose)
+			BIO_printf(err, "cert_status: AIA URL: %s\n",
+					sk_OPENSSL_STRING_value(aia, 0));
+		}
+	else
+		{
+		if (!srctx->host)
+			{
+			BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
+			goto done;
+			}
+		host = srctx->host;
+		path = srctx->path;
+		port = srctx->port;
+		use_ssl = srctx->use_ssl;
+		}
+		
+	if (!X509_STORE_CTX_init(&inctx,
+				SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
+				NULL, NULL))
+		goto err;
+	if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
+				X509_get_issuer_name(x),&obj) <= 0)
+		{
+		BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
+		X509_STORE_CTX_cleanup(&inctx);
+		goto done;
+		}
+	req = OCSP_REQUEST_new();
+	if (!req)
+		goto err;
+	id = OCSP_cert_to_id(NULL, x, obj.data.x509);
+	X509_free(obj.data.x509);
+	X509_STORE_CTX_cleanup(&inctx);
+	if (!id)
+		goto err;
+	if (!OCSP_request_add0_id(req, id))
+		goto err;
+	id = NULL;
+	/* Add any extensions to the request */
+	SSL_get_tlsext_status_exts(s, &exts);
+	for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
+		{
+		X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
+		if (!OCSP_REQUEST_add_ext(req, ext, -1))
+			goto err;
+		}
+	resp = process_responder(err, req, host, path, port, use_ssl,
+					srctx->timeout);
+	if (!resp)
+		{
+		BIO_puts(err, "cert_status: error querying responder\n");
+		goto done;
+		}
+	rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
+	if (rspderlen <= 0)
+		goto err;
+	SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
+	if (srctx->verbose)
+		{
+		BIO_puts(err, "cert_status: ocsp response sent:\n");
+		OCSP_RESPONSE_print(err, resp, 2);
+		}
+	ret = SSL_TLSEXT_ERR_OK;
+	done:
+	if (ret != SSL_TLSEXT_ERR_OK)
+		ERR_print_errors(err);
+	if (aia)
+		{
+		OPENSSL_free(host);
+		OPENSSL_free(path);
+		OPENSSL_free(port);
+		X509_email_free(aia);
+		}
+	if (id)
+		OCSP_CERTID_free(id);
+	if (req)
+		OCSP_REQUEST_free(req);
+	if (resp)
+		OCSP_RESPONSE_free(resp);
+	return ret;
+	err:
+	ret = SSL_TLSEXT_ERR_ALERT_FATAL;
+	goto done;
+	}
 #endif
 
 int MAIN(int, char **);
 
+#ifndef OPENSSL_NO_JPAKE
+static char *jpake_secret = NULL;
+#endif
+
 int MAIN(int argc, char *argv[])
 	{
-	X509_STORE *store = NULL;
-	int vflags = 0;
+	X509_VERIFY_PARAM *vpm = NULL;
+	int badarg = 0;
 	short port=PORT;
 	char *CApath=NULL,*CAfile=NULL;
 	unsigned char *context = NULL;
@@ -681,9 +851,7 @@ int MAIN(int argc, char *argv[])
 	int state=0;
 	const SSL_METHOD *meth=NULL;
 	int socket_type=SOCK_STREAM;
-#ifndef OPENSSL_NO_ENGINE
 	ENGINE *e=NULL;
-#endif
 	char *inrand=NULL;
 	int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 	char *passarg = NULL, *pass = NULL;
@@ -695,7 +863,6 @@ int MAIN(int argc, char *argv[])
 	EVP_PKEY *s_key2 = NULL;
 	X509 *s_cert2 = NULL;
 #endif
-
 #ifndef OPENSSL_NO_TLSEXT
         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 #endif
@@ -834,13 +1001,11 @@ int MAIN(int argc, char *argv[])
 			if (--argc < 1) goto bad;
 			CApath= *(++argv);
 			}
-		else if (strcmp(*argv,"-crl_check") == 0)
+		else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 			{
-			vflags |= X509_V_FLAG_CRL_CHECK;
-			}
-		else if (strcmp(*argv,"-crl_check") == 0)
-			{
-			vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
+			if (badarg)
+				goto bad;
+			continue;
 			}
 		else if (strcmp(*argv,"-verify_return_error") == 0)
 			verify_return_error = 1;
@@ -869,6 +1034,37 @@ int MAIN(int argc, char *argv[])
 			}
 		else if	(strcmp(*argv,"-debug") == 0)
 			{ s_debug=1; }
+#ifndef OPENSSL_NO_TLSEXT
+		else if	(strcmp(*argv,"-tlsextdebug") == 0)
+			s_tlsextdebug=1;
+		else if	(strcmp(*argv,"-status") == 0)
+			s_tlsextstatus=1;
+		else if	(strcmp(*argv,"-status_verbose") == 0)
+			{
+			s_tlsextstatus=1;
+			tlscstatp.verbose = 1;
+			}
+		else if (!strcmp(*argv, "-status_timeout"))
+			{
+			s_tlsextstatus=1;
+                        if (--argc < 1) goto bad;
+			tlscstatp.timeout = atoi(*(++argv));
+			}
+		else if (!strcmp(*argv, "-status_url"))
+			{
+			s_tlsextstatus=1;
+                        if (--argc < 1) goto bad;
+			if (!OCSP_parse_url(*(++argv),
+					&tlscstatp.host,
+					&tlscstatp.port,
+					&tlscstatp.path,
+					&tlscstatp.use_ssl))
+				{
+				BIO_printf(bio_err, "Error parsing URL\n");
+				goto bad;
+				}
+			}
+#endif
 		else if	(strcmp(*argv,"-msg") == 0)
 			{ s_msg=1; }
 		else if	(strcmp(*argv,"-hack") == 0)
@@ -922,6 +1118,10 @@ int MAIN(int argc, char *argv[])
 			{ off|=SSL_OP_NO_TLSv1; }
 		else if	(strcmp(*argv,"-no_comp") == 0)
 			{ off|=SSL_OP_NO_COMPRESSION; }
+#ifndef OPENSSL_NO_TLSEXT
+		else if	(strcmp(*argv,"-no_ticket") == 0)
+			{ off|=SSL_OP_NO_TICKET; }
+#endif
 #ifndef OPENSSL_NO_SSL2
 		else if	(strcmp(*argv,"-ssl2") == 0)
 			{ meth=SSLv2_server_method(); }
@@ -985,6 +1185,14 @@ int MAIN(int argc, char *argv[])
 			if (--argc < 1) goto bad;
 			s_key_file2= *(++argv);
 			}
+			
+#endif
+#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
+		else if (strcmp(*argv,"-jpake") == 0)
+			{
+			if (--argc < 1) goto bad;
+			jpake_secret = *(++argv);
+			}
 #endif
 		else
 			{
@@ -1002,6 +1210,26 @@ bad:
 		goto end;
 		}
 
+#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
+	if (jpake_secret)
+		{
+		if (psk_key)
+			{
+			BIO_printf(bio_err,
+				   "Can't use JPAKE and PSK together\n");
+			goto end;
+			}
+		psk_identity = "JPAKE";
+		if (cipher)
+			{
+			BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
+			goto end;
+			}
+		cipher = "PSK";
+		}
+
+#endif
+
 	SSL_load_error_strings();
 	OpenSSL_add_ssl_algorithms();
 
@@ -1182,8 +1410,8 @@ bad:
 		ERR_print_errors(bio_err);
 		/* goto end; */
 		}
-	store = SSL_CTX_get_cert_store(ctx);
-	X509_STORE_set_flags(store, vflags);
+	if (vpm)
+		SSL_CTX_set1_param(ctx, vpm);
 
 #ifndef OPENSSL_NO_TLSEXT
 	if (s_cert2)
@@ -1234,8 +1462,8 @@ bad:
 			{
 			ERR_print_errors(bio_err);
 			}
-		store = SSL_CTX_get_cert_store(ctx2);
-		X509_STORE_set_flags(store, vflags);
+		if (vpm)
+			SSL_CTX_set1_param(ctx2, vpm);
 		}
 #endif 
 
@@ -1386,10 +1614,14 @@ bad:
 #endif
 
 #ifndef OPENSSL_NO_PSK
+#ifdef OPENSSL_NO_JPAKE
 	if (psk_key != NULL)
+#else
+	if (psk_key != NULL || jpake_secret)
+#endif
 		{
 		if (s_debug)
-			BIO_printf(bio_s_out, "PSK key given, setting server callback\n");
+			BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
 		SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
 		}
 
@@ -1447,6 +1679,7 @@ bad:
 		}
 
 	BIO_printf(bio_s_out,"ACCEPT\n");
+	(void)BIO_flush(bio_s_out);
 	if (www)
 		do_server(port,socket_type,&accept_socket,www_body, context);
 	else
@@ -1540,6 +1773,19 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 
 	if (con == NULL) {
 		con=SSL_new(ctx);
+#ifndef OPENSSL_NO_TLSEXT
+	if (s_tlsextdebug)
+		{
+		SSL_set_tlsext_debug_callback(con, tlsext_cb);
+		SSL_set_tlsext_debug_arg(con, bio_s_out);
+		}
+	if (s_tlsextstatus)
+		{
+		SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
+		tlscstatp.err = bio_err;
+		SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
+		}
+#endif
 #ifndef OPENSSL_NO_KRB5
 		if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
                         {
@@ -1554,6 +1800,11 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 						 strlen((char *)context));
 	}
 	SSL_clear(con);
+#if 0
+#ifdef TLSEXT_TYPE_opaque_prf_input
+	SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
+#endif
+#endif
 
 	if (SSL_version(con) == DTLS1_VERSION)
 		{
@@ -1572,10 +1823,10 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 			BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
 			}
 
-		if (socket_mtu > 0)
+		if (socket_mtu > 28)
 			{
 			SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
-			SSL_set_mtu(con, socket_mtu);
+			SSL_set_mtu(con, socket_mtu - 28);
 			}
 		else
 			/* want to do MTU discovery */
@@ -1594,6 +1845,11 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 		test=BIO_new(BIO_f_nbio_test());
 		sbio=BIO_push(test,sbio);
 		}
+#ifndef OPENSSL_NO_JPAKE
+	if(jpake_secret)
+		jpake_server_auth(bio_s_out, sbio, jpake_secret);
+#endif
+
 	SSL_set_bio(con,sbio,sbio);
 	SSL_set_accept_state(con);
 	/* SSL_set_fd(con,s); */
@@ -1602,13 +1858,20 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 		{
 		con->debug=1;
 		BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
-		BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
+		BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
 		}
 	if (s_msg)
 		{
 		SSL_set_msg_callback(con, msg_cb);
 		SSL_set_msg_callback_arg(con, bio_s_out);
 		}
+#ifndef OPENSSL_NO_TLSEXT
+	if (s_tlsextdebug)
+		{
+		SSL_set_tlsext_debug_callback(con, tlsext_cb);
+		SSL_set_tlsext_debug_arg(con, bio_s_out);
+		}
+#endif
 
 	width=s+1;
 	for (;;)
@@ -1962,7 +2225,7 @@ static int www_body(char *hostname, int s, unsigned char *context)
 	int ret=1;
 	int i,j,k,blank,dot;
 	SSL *con;
-	SSL_CIPHER *c;
+	const SSL_CIPHER *c;
 	BIO *io,*ssl_bio,*sbio;
 	long total_bytes;
 
@@ -1988,6 +2251,13 @@ static int www_body(char *hostname, int s, unsigned char *context)
 	if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
 
 	if ((con=SSL_new(ctx)) == NULL) goto err;
+#ifndef OPENSSL_NO_TLSEXT
+		if (s_tlsextdebug)
+			{
+			SSL_set_tlsext_debug_callback(con, tlsext_cb);
+			SSL_set_tlsext_debug_arg(con, bio_s_out);
+			}
+#endif
 #ifndef OPENSSL_NO_KRB5
 	if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
 		{
@@ -2020,7 +2290,7 @@ static int www_body(char *hostname, int s, unsigned char *context)
 		{
 		con->debug=1;
 		BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
-		BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
+		BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
 		}
 	if (s_msg)
 		{