RFC 5878 support.
[oweals/openssl.git] / apps / s_server.c
index 14cffa6fa9e36649bc501147d8158b05f4f7ca4c..bd6577b4d63e6e58d3e16a38aedf77567cab4787 100644 (file)
@@ -267,11 +267,12 @@ extern int verify_depth, verify_return_error;
 static char *cipher=NULL;
 static int s_server_verify=SSL_VERIFY_NONE;
 static int s_server_session_id_context = 1; /* anything will do */
-static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
+static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 #ifndef OPENSSL_NO_TLSEXT
 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
+static char *curves=NULL;
 #endif
-static char *s_dcert_file=NULL,*s_dkey_file=NULL;
+static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 #ifdef FIONBIO
 static int s_nbio=0;
 #endif
@@ -293,6 +294,9 @@ static int cert_status_cb(SSL *s, void *arg);
 static int s_msg=0;
 static int s_quiet=0;
 
+static char *keymatexportlabel=NULL;
+static int keymatexportlen=20;
+
 static int hack=0;
 #ifndef OPENSSL_NO_ENGINE
 static char *engine_id=NULL;
@@ -305,6 +309,12 @@ static long socket_mtu;
 static int cert_chain = 0;
 #endif
 
+#ifndef OPENSSL_NO_TLSEXT
+static BIO *authz_in = NULL;
+static const char *s_authz_file = NULL;
+static unsigned char *authz = NULL;
+static size_t authz_length;
+#endif
 
 #ifndef OPENSSL_NO_PSK
 static char *psk_identity="Client_identity";
@@ -377,31 +387,43 @@ static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 /* This is a context that we pass to callbacks */
 typedef struct srpsrvparm_st
        {
-       int verbose;
        char *login;
        SRP_VBASE *vb;
+       SRP_user_pwd *user;
        } srpsrvparm;
 
+/* This callback pretends to require some asynchronous logic in order to obtain
+   a verifier. When the callback is called for a new connection we return
+   with a negative value. This will provoke the accept etc to return with
+   an LOOKUP_X509. The main logic of the reinvokes the suspended call 
+   (which would normally occur after a worker has finished) and we
+   set the user parameters. 
+*/
 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
        {
-       srpsrvparm *p = (srpsrvparm *) arg;
-       SRP_user_pwd *user;
-
-       p->login = BUF_strdup(SSL_get_srp_username(s));
-       BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
+       srpsrvparm *p = (srpsrvparm *)arg;
+       if (p->login == NULL && p->user == NULL )
+               {
+               p->login = SSL_get_srp_username(s);
+               BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
+               return (-1) ;
+               }
 
-       user = SRP_VBASE_get_by_user(p->vb, p->login);
-       if (user == NULL)
+       if (p->user == NULL)
                {
                BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
                return SSL3_AL_FATAL;
                }
-       if (SSL_set_srp_server_param(s, user->N, user->g, user->s, user->v,
-                                    user->info) < 0)
+       if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
+                                    p->user->info) < 0)
                {
                *ad = SSL_AD_INTERNAL_ERROR;
                return SSL3_AL_FATAL;
                }
+       BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
+       /* need to check whether there are memory leaks */
+       p->user = NULL;
+       p->login = NULL;
        return SSL_ERROR_NONE;
        }
 
@@ -415,9 +437,12 @@ static void s_server_init(void)
        s_server_verify=SSL_VERIFY_NONE;
        s_dcert_file=NULL;
        s_dkey_file=NULL;
+       s_dchain_file=NULL;
        s_cert_file=TEST_CERT;
        s_key_file=NULL;
+       s_chain_file=NULL;
 #ifndef OPENSSL_NO_TLSEXT
+       curves=NULL;
        s_cert_file2=TEST_CERT2;
        s_key_file2=NULL;
        ctx2=NULL;
@@ -450,6 +475,7 @@ 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");
        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" \
@@ -541,8 +567,10 @@ static void sv_usage(void)
 # ifndef OPENSSL_NO_NEXTPROTONEG
        BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 # endif
-        BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list");
+        BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 #endif
+       BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
+       BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
        }
 
 static int local_argc=0;
@@ -903,6 +931,9 @@ int MAIN(int, char **);
 #ifndef OPENSSL_NO_JPAKE
 static char *jpake_secret = NULL;
 #endif
+#ifndef OPENSSL_NO_SRP
+       static srpsrvparm srp_callback_parm;
+#endif
 static char *srtp_profiles = NULL;
 
 int MAIN(int argc, char *argv[])
@@ -930,6 +961,7 @@ int MAIN(int argc, char *argv[])
        char *dpassarg = NULL, *dpass = NULL;
        int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
        X509 *s_cert = NULL, *s_dcert = NULL;
+       STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
        EVP_PKEY *s_key = NULL, *s_dkey = NULL;
        int no_cache = 0;
 #ifndef OPENSSL_NO_TLSEXT
@@ -948,19 +980,8 @@ int MAIN(int argc, char *argv[])
 #ifndef OPENSSL_NO_SRP
        char *srpuserseed = NULL;
        char *srp_verifier_file = NULL;
-       srpsrvparm p;
 #endif
-#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
        meth=SSLv23_server_method();
-#elif !defined(OPENSSL_NO_SSL3)
-       meth=SSLv3_server_method();
-#elif !defined(OPENSSL_NO_SSL2)
-       meth=SSLv2_server_method();
-#elif !defined(OPENSSL_NO_TLS1)
-       meth=TLSv1_server_method();
-#else
-  /*  #error no SSL version enabled */
-#endif
 
        local_argc=argc;
        local_argv=argv;
@@ -1019,6 +1040,13 @@ int MAIN(int argc, char *argv[])
                        if (--argc < 1) goto bad;
                        s_cert_file= *(++argv);
                        }
+#ifndef OPENSSL_NO_TLSEXT
+               else if (strcmp(*argv,"-authz") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_authz_file = *(++argv);
+                       }
+#endif
                else if (strcmp(*argv,"-certform") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -1039,6 +1067,11 @@ int MAIN(int argc, char *argv[])
                        if (--argc < 1) goto bad;
                        passarg = *(++argv);
                        }
+               else if (strcmp(*argv,"-cert_chain") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_chain_file= *(++argv);
+                       }
                else if (strcmp(*argv,"-dhparam") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -1076,6 +1109,11 @@ int MAIN(int argc, char *argv[])
                        if (--argc < 1) goto bad;
                        s_dkey_file= *(++argv);
                        }
+               else if (strcmp(*argv,"-dcert_chain") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       s_dchain_file= *(++argv);
+                       }
                else if (strcmp(*argv,"-nocert") == 0)
                        {
                        nocert=1;
@@ -1152,6 +1190,11 @@ int MAIN(int argc, char *argv[])
                                goto bad;
                                }
                        }
+               else if (strcmp(*argv,"-curves") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       curves= *(++argv);
+                       }
 #endif
                else if (strcmp(*argv,"-msg") == 0)
                        { s_msg=1; }
@@ -1185,7 +1228,7 @@ int MAIN(int argc, char *argv[])
                        psk_key=*(++argv);
                        for (i=0; i<strlen(psk_key); i++)
                                {
-                               if (isxdigit((int)psk_key[i]))
+                               if (isxdigit((unsigned char)psk_key[i]))
                                        continue;
                                BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
                                goto bad;
@@ -1315,6 +1358,17 @@ int MAIN(int argc, char *argv[])
                        if (--argc < 1) goto bad;
                        srtp_profiles = *(++argv);
                        }
+               else if (strcmp(*argv,"-keymatexport") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       keymatexportlabel= *(++argv);
+                       }
+               else if (strcmp(*argv,"-keymatexportlen") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       keymatexportlen=atoi(*(++argv));
+                       if (keymatexportlen == 0) goto bad;
+                       }
                else
                        {
                        BIO_printf(bio_err,"unknown option %s\n",*argv);
@@ -1390,6 +1444,13 @@ bad:
                        ERR_print_errors(bio_err);
                        goto end;
                        }
+               if (s_chain_file)
+                       {
+                       s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
+                                       NULL, e, "server certificate chain");
+                       if (!s_chain)
+                               goto end;
+                       }
 
 #ifndef OPENSSL_NO_TLSEXT
                if (tlsextcbp.servername) 
@@ -1427,7 +1488,34 @@ bad:
                        next_proto.data = NULL;
                        }
 # endif
-#endif
+               if (s_authz_file != NULL)
+                       {
+                       /* Allow authzs up to 64KB bytes. */
+                       static const size_t authz_limit = 65536;
+
+                       authz_in = BIO_new(BIO_s_file_internal());
+                       if (authz_in == NULL)
+                               {
+                               ERR_print_errors(bio_err);
+                               goto end;
+                               }
+
+                       if (BIO_read_filename(authz_in, s_authz_file) <= 0)
+                               {
+                               ERR_print_errors(bio_err);
+                               goto end;
+                               }
+                       authz = OPENSSL_malloc(authz_limit);
+                       authz_length = BIO_read(authz_in, authz, authz_limit);
+                       if (authz_length == authz_limit || authz_length <= 0)
+                               {
+                               BIO_printf(bio_err, "authz too large\n");
+                               goto end;
+                               }
+                       BIO_free(authz_in);
+                       authz_in = NULL;
+                       }
+#endif /* OPENSSL_NO_TLSEXT */
                }
 
 
@@ -1454,6 +1542,13 @@ bad:
                        ERR_print_errors(bio_err);
                        goto end;
                        }
+               if (s_dchain_file)
+                       {
+                       s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
+                               NULL, e, "second server certificate chain");
+                       if (!s_dchain)
+                               goto end;
+                       }
 
                }
 
@@ -1666,10 +1761,11 @@ bad:
                {
                EC_KEY *ecdh=NULL;
 
-               if (named_curve)
+               if (named_curve && strcmp(named_curve, "auto"))
                        {
-                       int nid = OBJ_sn2nid(named_curve);
-
+                       int nid = EC_curve_nist2nid(named_curve);
+                       if (nid == NID_undef)
+                               nid = OBJ_sn2nid(named_curve);
                        if (nid == 0)
                                {
                                BIO_printf(bio_err, "unknown curve name (%s)\n", 
@@ -1689,6 +1785,8 @@ bad:
                        {
                        BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
                        }
+               else if (named_curve)
+                       SSL_CTX_set_ecdh_auto(ctx, 1);
                else
                        {
                        BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
@@ -1710,15 +1808,19 @@ bad:
                }
 #endif
        
-       if (!set_cert_key_stuff(ctx,s_cert,s_key))
+       if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
                goto end;
 #ifndef OPENSSL_NO_TLSEXT
-       if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
+       if (authz != NULL && !SSL_CTX_use_authz(ctx, authz, authz_length))
+               goto end;
+#endif
+#ifndef OPENSSL_NO_TLSEXT
+       if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
                goto end; 
 #endif
        if (s_dcert != NULL)
                {
-               if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
+               if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
                        goto end;
                }
 
@@ -1800,6 +1902,23 @@ bad:
                        }
 #endif
                }
+#ifndef OPENSSL_NO_TLSEXT
+       if (curves)
+               {
+               if(!SSL_CTX_set1_curves_list(ctx,curves))
+                       {
+                       BIO_printf(bio_err,"error setting curves list\n");
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+               if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
+                       {
+                       BIO_printf(bio_err,"error setting curves list\n");
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+               }
+#endif
        SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
        SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
                sizeof s_server_session_id_context);
@@ -1826,8 +1945,10 @@ bad:
 #ifndef OPENSSL_NO_SRP
        if (srp_verifier_file != NULL)
                {
-               p.vb = SRP_VBASE_new(srpuserseed);
-               if ((ret = SRP_VBASE_init(p.vb, srp_verifier_file)) != SRP_NO_ERROR)
+               srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
+               srp_callback_parm.user = NULL;
+               srp_callback_parm.login = NULL;
+               if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
                        {
                        BIO_printf(bio_err,
                                   "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
@@ -1835,7 +1956,7 @@ bad:
                                goto end;
                        }
                SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
-               SSL_CTX_set_srp_cb_arg(ctx, &p);                        
+               SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);                        
                SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
                }
        else
@@ -1877,6 +1998,10 @@ end:
                X509_free(s_cert2);
        if (s_key2)
                EVP_PKEY_free(s_key2);
+       if (authz != NULL)
+               OPENSSL_free(authz);
+       if (authz_in != NULL)
+               BIO_free(authz_in);
 #endif
        if (bio_s_out != NULL)
                {
@@ -2160,6 +2285,16 @@ static int sv_body(char *hostname, int s, unsigned char *context)
                                        goto err;
                                        }
 
+#ifndef OPENSSL_NO_HEARTBEATS
+                               if ((buf[0] == 'B') &&
+                                       ((buf[1] == '\n') || (buf[1] == '\r')))
+                                       {
+                                       BIO_printf(bio_err,"HEARTBEATING\n");
+                                       SSL_heartbeat(con);
+                                       i=0;
+                                       continue;
+                                       }
+#endif
                                if ((buf[0] == 'r') && 
                                        ((buf[1] == '\n') || (buf[1] == '\r')))
                                        {
@@ -2203,6 +2338,18 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
 #endif
                                k=SSL_write(con,&(buf[l]),(unsigned int)i);
+#ifndef OPENSSL_NO_SRP
+                               while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
+                                       {
+                                       BIO_printf(bio_s_out,"LOOKUP renego during write\n");
+                                       srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
+                                       if (srp_callback_parm.user) 
+                                               BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
+                                       else 
+                                               BIO_printf(bio_s_out,"LOOKUP not successful\n");
+                                               k=SSL_write(con,&(buf[l]),(unsigned int)i);
+                                       }
+#endif
                                switch (SSL_get_error(con,k))
                                        {
                                case SSL_ERROR_NONE:
@@ -2250,6 +2397,18 @@ static int sv_body(char *hostname, int s, unsigned char *context)
                                {
 again: 
                                i=SSL_read(con,(char *)buf,bufsize);
+#ifndef OPENSSL_NO_SRP
+                               while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
+                                       {
+                                       BIO_printf(bio_s_out,"LOOKUP renego during read\n");
+                                       srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
+                                       if (srp_callback_parm.user) 
+                                               BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
+                                       else 
+                                               BIO_printf(bio_s_out,"LOOKUP not successful\n");
+                                       i=SSL_read(con,(char *)buf,bufsize);
+                                       }
+#endif
                                switch (SSL_get_error(con,i))
                                        {
                                case SSL_ERROR_NONE:
@@ -2262,7 +2421,6 @@ again:
                                        break;
                                case SSL_ERROR_WANT_WRITE:
                                case SSL_ERROR_WANT_READ:
-                               case SSL_ERROR_WANT_X509_LOOKUP:
                                        BIO_printf(bio_s_out,"Read BLOCK\n");
                                        break;
                                case SSL_ERROR_SYSCALL:
@@ -2324,8 +2482,23 @@ static int init_ssl_connection(SSL *con)
        const unsigned char *next_proto_neg;
        unsigned next_proto_neg_len;
 #endif
+       unsigned char *exportedkeymat;
+
 
-       if ((i=SSL_accept(con)) <= 0)
+       i=SSL_accept(con);
+#ifndef OPENSSL_NO_SRP
+       while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
+               {
+                       BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
+                       srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
+                       if (srp_callback_parm.user) 
+                               BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
+                       else 
+                               BIO_printf(bio_s_out,"LOOKUP not successful\n");
+                       i=SSL_accept(con);
+               }
+#endif
+       if (i <= 0)
                {
                if (BIO_sock_should_retry(i))
                        {
@@ -2362,7 +2535,10 @@ static int init_ssl_connection(SSL *con)
        if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
                BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
        str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
+       ssl_print_sigalgs(bio_s_out, con);
+       ssl_print_curves(bio_s_out, con);
        BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
+
 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
        SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
        if (next_proto_neg)
@@ -2395,6 +2571,35 @@ static int init_ssl_connection(SSL *con)
 #endif /* OPENSSL_NO_KRB5 */
        BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
                      SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
+       if (keymatexportlabel != NULL)
+               {
+               BIO_printf(bio_s_out, "Keying material exporter:\n");
+               BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
+               BIO_printf(bio_s_out, "    Length: %i bytes\n",
+                          keymatexportlen);
+               exportedkeymat = OPENSSL_malloc(keymatexportlen);
+               if (exportedkeymat != NULL)
+                       {
+                       if (!SSL_export_keying_material(con, exportedkeymat,
+                                                       keymatexportlen,
+                                                       keymatexportlabel,
+                                                       strlen(keymatexportlabel),
+                                                       NULL, 0, 0))
+                               {
+                               BIO_printf(bio_s_out, "    Error\n");
+                               }
+                       else
+                               {
+                               BIO_printf(bio_s_out, "    Keying material: ");
+                               for (i=0; i<keymatexportlen; i++)
+                                       BIO_printf(bio_s_out, "%02X",
+                                                  exportedkeymat[i]);
+                               BIO_printf(bio_s_out, "\n");
+                               }
+                       OPENSSL_free(exportedkeymat);
+                       }
+               }
+
        return(1);
        }
 
@@ -2523,7 +2728,18 @@ static int www_body(char *hostname, int s, unsigned char *context)
                if (hack)
                        {
                        i=SSL_accept(con);
-
+#ifndef OPENSSL_NO_SRP
+                       while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
+               {
+                       BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
+                       srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
+                       if (srp_callback_parm.user) 
+                               BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
+                       else 
+                               BIO_printf(bio_s_out,"LOOKUP not successful\n");
+                       i=SSL_accept(con);
+               }
+#endif
                        switch (SSL_get_error(con,i))
                                {
                        case SSL_ERROR_NONE:
@@ -2629,6 +2845,8 @@ static int www_body(char *hostname, int s, unsigned char *context)
                                        }
                                BIO_puts(io,"\n");
                                }
+                       ssl_print_sigalgs(io, con);
+                       ssl_print_curves(io, con);
                        BIO_printf(io,(SSL_cache_hit(con)
                                ?"---\nReused, "
                                :"---\nNew, "));