X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fs_server.c;h=c9c433872a2b4be276c567520eb949d0f8c39b1b;hp=8a5a1376c0bf7ff8345cbe15065df0f1d04f58b4;hb=1f44dac24d1cb752b1a06be9091bb03a88a8598e;hpb=b0d6f3c58fc86756574b410cb6a32589477d3954

diff --git a/apps/s_server.c b/apps/s_server.c
index 8a5a1376c0..c9c433872a 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -204,9 +204,9 @@ typedef unsigned int u_int;
 #ifndef OPENSSL_NO_RSA
 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 #endif
-static int sv_body(char *hostname, int s, unsigned char *context);
-static int www_body(char *hostname, int s, unsigned char *context);
-static int rev_body(char *hostname, int s, unsigned char *context);
+static int sv_body(char *hostname, int s, int stype, unsigned char *context);
+static int www_body(char *hostname, int s, int stype, unsigned char *context);
+static int rev_body(char *hostname, int s, int stype, unsigned char *context);
 static void close_accept_socket(void );
 static void sv_usage(void);
 static int init_ssl_connection(SSL *s);
@@ -224,6 +224,20 @@ static DH *get_dh512(void);
 static void s_server_init(void);
 #endif
 
+#ifndef OPENSSL_NO_TLSEXT
+
+static const unsigned char auth_ext_data[]={TLSEXT_AUTHZDATAFORMAT_dtcp};
+
+static unsigned char *generated_supp_data = NULL;
+
+static const unsigned char *most_recent_supplemental_data = NULL;
+static size_t most_recent_supplemental_data_length = 0;
+
+static int client_provided_server_authz = 0;
+static int client_provided_client_authz = 0;
+
+#endif
+
 #ifndef OPENSSL_NO_DH
 static unsigned char dh512_p[]={
 	0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
@@ -315,10 +329,29 @@ static int cert_chain = 0;
 #endif
 
 #ifndef OPENSSL_NO_TLSEXT
-static BIO *authz_in = NULL;
-static const char *s_authz_file = NULL;
+static int suppdata_cb(SSL *s, unsigned short supp_data_type,
+		       const unsigned char *in,
+		       unsigned short inlen, int *al,
+		       void *arg);
+
+static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
+				     const unsigned char **out,
+				     unsigned short *outlen, int *al, void *arg);
+
+static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type,
+				    const unsigned char **out, unsigned short *outlen,
+				    int *al, void *arg);
+
+static int authz_tlsext_cb(SSL *s, unsigned short ext_type,
+			   const unsigned char *in,
+			   unsigned short inlen, int *al,
+			   void *arg);
+
 static BIO *serverinfo_in = NULL;
 static const char *s_serverinfo_file = NULL;
+
+static int c_auth = 0;
+static int c_auth_require_reneg = 0;
 #endif
 
 #ifndef OPENSSL_NO_PSK
@@ -482,10 +515,12 @@ 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," -authz arg   -  binary authz file for certificate\n");
 #ifndef OPENSSL_NO_TLSEXT
 	BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
+	BIO_printf(bio_err," -auth               - send and receive RFC 5878 TLS auth extensions and supplemental data\n");
+	BIO_printf(bio_err," -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n");
 #endif
+	BIO_printf(bio_err," -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
 	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" \
@@ -540,6 +575,7 @@ static void sv_usage(void)
 	BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 	BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 	BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
+	BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
 	BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 	BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 	BIO_printf(bio_err," -chain        - Read a certificate chain\n");
@@ -1023,10 +1059,10 @@ int MAIN(int argc, char *argv[])
         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 # ifndef OPENSSL_NO_NEXTPROTONEG
 	const char *next_proto_neg_in = NULL;
-	tlsextnextprotoctx next_proto;
+	tlsextnextprotoctx next_proto = { NULL, 0};
+# endif
 	const char *alpn_in = NULL;
 	tlsextalpnctx alpn_ctx = { NULL, 0};
-# endif
 #endif
 #ifndef OPENSSL_NO_PSK
 	/* by default do not send a PSK identity hint */
@@ -1131,17 +1167,20 @@ int MAIN(int argc, char *argv[])
 		else if	(strcmp(*argv,"-crl_download") == 0)
 			crl_download = 1;
 #ifndef OPENSSL_NO_TLSEXT
-		else if	(strcmp(*argv,"-authz") == 0)
-			{
-			if (--argc < 1) goto bad;
-			s_authz_file = *(++argv);
-			}
 		else if	(strcmp(*argv,"-serverinfo") == 0)
 			{
 			if (--argc < 1) goto bad;
 			s_serverinfo_file = *(++argv);
 			}
+		else if	(strcmp(*argv,"-auth") == 0)
+			{
+			c_auth = 1;
+			}
 #endif
+		else if	(strcmp(*argv,"-auth_require_reneg") == 0)
+			{
+			c_auth_require_reneg = 1;
+			}
 		else if	(strcmp(*argv,"-certform") == 0)
 			{
 			if (--argc < 1) goto bad;
@@ -1410,11 +1449,21 @@ int MAIN(int argc, char *argv[])
 			{ meth=TLSv1_2_server_method(); }
 #endif
 #ifndef OPENSSL_NO_DTLS1
+		else if	(strcmp(*argv,"-dtls") == 0)
+			{ 
+			meth=DTLS_server_method();
+			socket_type = SOCK_DGRAM;
+			}
 		else if	(strcmp(*argv,"-dtls1") == 0)
 			{ 
 			meth=DTLSv1_server_method();
 			socket_type = SOCK_DGRAM;
 			}
+		else if	(strcmp(*argv,"-dtls1_2") == 0)
+			{ 
+			meth=DTLSv1_2_server_method();
+			socket_type = SOCK_DGRAM;
+			}
 		else if (strcmp(*argv,"-timeout") == 0)
 			enable_timeouts = 1;
 		else if (strcmp(*argv,"-mtu") == 0)
@@ -1466,12 +1515,12 @@ int MAIN(int argc, char *argv[])
 			if (--argc < 1) goto bad;
 			next_proto_neg_in = *(++argv);
 			}
+# endif
 		else if	(strcmp(*argv,"-alpn") == 0)
 			{
 			if (--argc < 1) goto bad;
 			alpn_in = *(++argv);
 			}
-# endif
 #endif
 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
 		else if (strcmp(*argv,"-jpake") == 0)
@@ -1910,11 +1959,18 @@ bad:
 	if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
 		goto end;
 #ifndef OPENSSL_NO_TLSEXT
-	if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
-		goto end;
 	if (s_serverinfo_file != NULL
 	    && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
+		{
+		ERR_print_errors(bio_err);
 		goto end;
+		}
+	if (c_auth)
+		{
+		SSL_CTX_set_custom_srv_ext(ctx, TLSEXT_TYPE_client_authz, authz_tlsext_cb, authz_tlsext_generate_cb, bio_err);
+		SSL_CTX_set_custom_srv_ext(ctx, TLSEXT_TYPE_server_authz, authz_tlsext_cb, authz_tlsext_generate_cb, bio_err);
+		SSL_CTX_set_srv_supp_data(ctx, TLSEXT_SUPPLEMENTALDATATYPE_authz_data, auth_suppdata_generate_cb, suppdata_cb, bio_err);
+		}
 #endif
 #ifndef OPENSSL_NO_TLSEXT
 	if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
@@ -2083,12 +2139,12 @@ end:
 		X509_free(s_cert2);
 	if (s_key2)
 		EVP_PKEY_free(s_key2);
-	if (authz_in != NULL)
-		BIO_free(authz_in);
 	if (serverinfo_in != NULL)
 		BIO_free(serverinfo_in);
+# ifndef OPENSSL_NO_NEXTPROTONEG
 	if (next_proto.data)
 		OPENSSL_free(next_proto.data);
+# endif
 	if (alpn_ctx.data)
 		OPENSSL_free(alpn_ctx.data);
 #endif
@@ -2140,7 +2196,7 @@ static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
 		SSL_CTX_sess_get_cache_size(ssl_ctx));
 	}
 
-static int sv_body(char *hostname, int s, unsigned char *context)
+static int sv_body(char *hostname, int s, int stype, unsigned char *context)
 	{
 	char *buf=NULL;
 	fd_set readfds;
@@ -2210,7 +2266,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 #endif
 #endif
 
-	if (SSL_version(con) == DTLS1_VERSION)
+	if (stype == SOCK_DGRAM)
 		{
 
 		sbio=BIO_new_dgram(s,BIO_NOCLOSE);
@@ -2594,6 +2650,15 @@ static int init_ssl_connection(SSL *con)
 
 
 	i=SSL_accept(con);
+#ifdef CERT_CB_TEST_RETRY
+	{
+	while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) 
+		{
+		fprintf(stderr, "LOOKUP from certificate callback during accept\n");
+		i=SSL_accept(con);
+		}
+	}
+#endif
 #ifndef OPENSSL_NO_SRP
 	while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
 		{
@@ -2606,6 +2671,13 @@ static int init_ssl_connection(SSL *con)
 			i=SSL_accept(con);
 		}
 #endif
+	/*handshake is complete - free the generated supp data allocated in the callback */
+	if (generated_supp_data)
+		{
+		OPENSSL_free(generated_supp_data);
+		generated_supp_data = NULL;
+		}
+
 	if (i <= 0)
 		{
 		if (BIO_sock_should_retry(i))
@@ -2756,7 +2828,7 @@ static int load_CA(SSL_CTX *ctx, char *file)
 	}
 #endif
 
-static int www_body(char *hostname, int s, unsigned char *context)
+static int www_body(char *hostname, int s, int stype, unsigned char *context)
 	{
 	char *buf=NULL;
 	int ret=1;
@@ -3166,7 +3238,7 @@ err:
 	return(ret);
 	}
 
-static int rev_body(char *hostname, int s, unsigned char *context)
+static int rev_body(char *hostname, int s, int stype, unsigned char *context)
 	{
 	char *buf=NULL;
 	int i;
@@ -3469,3 +3541,77 @@ static void free_sessions(void)
 		}
 	first = NULL;
 	}
+
+#ifndef OPENSSL_NO_TLSEXT
+static int authz_tlsext_cb(SSL *s, unsigned short ext_type,
+			   const unsigned char *in,
+			   unsigned short inlen, int *al,
+			   void *arg)
+	{
+	if (TLSEXT_TYPE_server_authz == ext_type)
+		client_provided_server_authz
+		  = memchr(in,	TLSEXT_AUTHZDATAFORMAT_dtcp, inlen) != NULL;
+
+	if (TLSEXT_TYPE_client_authz == ext_type)
+		client_provided_client_authz
+		  = memchr(in, TLSEXT_AUTHZDATAFORMAT_dtcp, inlen) != NULL;
+
+	return 1;
+	}
+
+static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type,
+				    const unsigned char **out, unsigned short *outlen,
+				    int *al, void *arg)
+	{
+	if (c_auth && client_provided_client_authz && client_provided_server_authz)
+		{
+		/*if auth_require_reneg flag is set, only send extensions if
+		  renegotiation has occurred */
+		if (!c_auth_require_reneg
+		    || (c_auth_require_reneg && SSL_num_renegotiations(s)))
+			{
+			*out = auth_ext_data;
+			*outlen = 1;
+			return 1;
+			}
+		}
+	/* no auth extension to send */
+	return -1;
+	}
+
+static int suppdata_cb(SSL *s, unsigned short supp_data_type,
+		       const unsigned char *in,
+		       unsigned short inlen, int *al,
+		       void *arg)
+	{
+	if (supp_data_type == TLSEXT_SUPPLEMENTALDATATYPE_authz_data)
+		{
+		most_recent_supplemental_data = in;
+		most_recent_supplemental_data_length = inlen;
+		}
+	return 1;
+	}
+
+static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
+				     const unsigned char **out,
+				     unsigned short *outlen, int *al, void *arg)
+	{
+	if (c_auth && client_provided_client_authz && client_provided_server_authz)
+		{
+		/*if auth_require_reneg flag is set, only send supplemental data if
+		  renegotiation has occurred */
+		if (!c_auth_require_reneg
+		    || (c_auth_require_reneg && SSL_num_renegotiations(s)))
+			{
+			generated_supp_data = OPENSSL_malloc(10);
+			memcpy(generated_supp_data, "1234512345", 10);
+			*out = generated_supp_data;
+			*outlen = 10;
+			return 1;
+			}
+		}
+	/* no supplemental data to send */
+	return -1;
+	}
+#endif
+