Initial revision of ECC extension handling.
[openssl.git] / apps / s_server.c
index de481f7794a787a46ca3b096e09b65c8ebd71ea4..5f1bcffb91c098f412f479b57a63f34baa6b3eb9 100644 (file)
@@ -273,6 +273,7 @@ static int s_server_session_id_context = 1; /* anything will do */
 static const char *s_cert_file=TEST_CERT,*s_key_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;
 #ifdef FIONBIO
@@ -297,6 +298,9 @@ static int no_resume_ephemeral = 0;
 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;
@@ -309,6 +313,7 @@ static long socket_mtu;
 static int cert_chain = 0;
 #endif
 
+
 #ifndef OPENSSL_NO_PSK
 static char *psk_identity="Client_identity";
 char *psk_key=NULL; /* by default PSK is not used */
@@ -380,31 +385,43 @@ 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 = 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;
        }
 
@@ -421,6 +438,7 @@ static void s_server_init(void)
        s_cert_file=TEST_CERT;
        s_key_file=NULL;
 #ifndef OPENSSL_NO_TLSEXT
+       curves=NULL;
        s_cert_file2=TEST_CERT2;
        s_key_file2=NULL;
        ctx2=NULL;
@@ -545,7 +563,10 @@ 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\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;
@@ -910,6 +931,10 @@ 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[])
        {
@@ -956,19 +981,8 @@ 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;
@@ -1162,6 +1176,11 @@ 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; }
@@ -1197,7 +1216,7 @@ 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;
@@ -1324,6 +1343,22 @@ int MAIN(int argc, char *argv[])
                        jpake_secret = *(++argv);
                        }
 #endif
+               else if (strcmp(*argv,"-use_srtp") == 0)
+                       {
+                       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);
@@ -1540,6 +1575,9 @@ bad:
        else
                SSL_CTX_sess_set_cache_size(ctx,128);
 
+       if (srtp_profiles != NULL)
+               SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
+
 #if 0
        if (cipher == NULL) cipher=getenv("SSL_CIPHER");
 #endif
@@ -1818,6 +1856,23 @@ 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);
@@ -1844,8 +1899,10 @@ 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",
@@ -1853,7 +1910,7 @@ 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
@@ -1940,6 +1997,9 @@ static int sv_body(char *hostname, int s, unsigned char *context)
        unsigned long l;
        SSL *con=NULL;
        BIO *sbio;
+#ifndef OPENSSL_NO_KRB5
+       KSSL_CTX *kctx;
+#endif
        struct timeval timeout;
 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
        struct timeval tv;
@@ -1980,12 +2040,11 @@ static int sv_body(char *hostname, int s, unsigned char *context)
                }
 #endif
 #ifndef OPENSSL_NO_KRB5
-               if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
+               if ((kctx = kssl_ctx_new()) != NULL)
                         {
-                        kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
-                                                               KRB5SVC);
-                        kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
-                                                               KRB5KEYTAB);
+                       SSL_set0_kssl_ctx(con, kctx);
+                        kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
+                        kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
                         }
 #endif /* OPENSSL_NO_KRB5 */
                if(context)
@@ -2177,6 +2236,16 @@ 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')))
                                        {
@@ -2220,6 +2289,18 @@ 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:
@@ -2267,6 +2348,18 @@ 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:
@@ -2279,7 +2372,6 @@ 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:
@@ -2338,8 +2430,26 @@ static int init_ssl_connection(SSL *con)
        const unsigned char *next_proto_neg;
        unsigned next_proto_neg_len;
 #endif
+#ifndef OPENSSL_NO_KRB5
+       char *client_princ;
+#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))
                        {
@@ -2376,7 +2486,10 @@ 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)
@@ -2386,19 +2499,58 @@ static int init_ssl_connection(SSL *con)
                BIO_printf(bio_s_out, "\n");
                }
 #endif
+       {
+       SRTP_PROTECTION_PROFILE *srtp_profile
+         = SSL_get_selected_srtp_profile(con);
+
+       if(srtp_profile)
+               BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
+                          srtp_profile->name);
+       }
        if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
        if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
                TLS1_FLAGS_TLS_PADDING_BUG)
-               BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
+               BIO_printf(bio_s_out,
+                          "Peer has incorrect TLSv1 block padding\n");
 #ifndef OPENSSL_NO_KRB5
-       if (con->kssl_ctx->client_princ != NULL)
+       client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
+       if (client_princ != NULL)
                {
                BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
-                       con->kssl_ctx->client_princ);
+                                                               client_princ);
                }
 #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);
        }
 
@@ -2446,6 +2598,9 @@ static int www_body(char *hostname, int s, unsigned char *context)
        SSL *con;
        const SSL_CIPHER *c;
        BIO *io,*ssl_bio,*sbio;
+#ifndef OPENSSL_NO_KRB5
+       KSSL_CTX *kctx;
+#endif
 
        buf=OPENSSL_malloc(bufsize);
        if (buf == NULL) return(0);
@@ -2477,10 +2632,10 @@ static int www_body(char *hostname, int s, unsigned char *context)
                        }
 #endif
 #ifndef OPENSSL_NO_KRB5
-       if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
+       if ((kctx = kssl_ctx_new()) != NULL)
                {
-               kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
-               kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
+               kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
+               kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
                }
 #endif /* OPENSSL_NO_KRB5 */
        if(context) SSL_set_session_id_context(con, context,
@@ -2520,7 +2675,18 @@ 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:
@@ -2657,6 +2823,8 @@ 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, "));
@@ -2929,10 +3097,10 @@ static int add_session(SSL *ssl, SSL_SESSION *session)
 
        sess = OPENSSL_malloc(sizeof(simple_ssl_session));
 
-       sess->idlen = SSL_SESSION_get_id_len(session);
+       SSL_SESSION_get_id(session, &sess->idlen);
        sess->derlen = i2d_SSL_SESSION(session, NULL);
 
-       sess->id = BUF_memdup(SSL_SESSION_get0_id(session), sess->idlen);
+       sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
 
        sess->der = OPENSSL_malloc(sess->derlen);
        p = sess->der;
@@ -2965,8 +3133,9 @@ static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
        {
        simple_ssl_session *sess, *prev = NULL;
-       const unsigned char *id = SSL_SESSION_get0_id(session);
-       unsigned int idlen = SSL_SESSION_get_id_len(session);
+       const unsigned char *id;
+       unsigned int idlen;
+       id = SSL_SESSION_get_id(session, &idlen);       
        for (sess = first; sess; sess = sess->next)
                {
                if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))