add -cert_chain option to s_client
[openssl.git] / apps / s_client.c
index 55facead51b26980fc318839ae8a6bba3b8cce79..5edede4633185be747f4e510652ba1269182a93e 100644 (file)
@@ -193,6 +193,7 @@ typedef unsigned int u_int;
 extern int verify_depth;
 extern int verify_error;
 extern int verify_return_error;
+extern int verify_quiet;
 
 #ifdef FIONBIO
 static int c_nbio=0;
@@ -202,6 +203,7 @@ static int c_debug=0;
 #ifndef OPENSSL_NO_TLSEXT
 static int c_tlsextdebug=0;
 static int c_status_req=0;
+static int c_proof_debug=0;
 #endif
 static int c_msg=0;
 static int c_showcerts=0;
@@ -213,10 +215,13 @@ static void sc_usage(void);
 static void print_stuff(BIO *berr,SSL *con,int full);
 #ifndef OPENSSL_NO_TLSEXT
 static int ocsp_resp_cb(SSL *s, void *arg);
+static int audit_proof_cb(SSL *s, void *arg);
 #endif
 static BIO *bio_c_out=NULL;
+static BIO *bio_c_msg=NULL;
 static int c_quiet=0;
 static int c_ign_eof=0;
+static int c_brief=0;
 
 #ifndef OPENSSL_NO_PSK
 /* Default PSK identity and key */
@@ -288,7 +293,6 @@ static void sc_usage(void)
        BIO_printf(bio_err," -host host     - use -connect instead\n");
        BIO_printf(bio_err," -port port     - use -connect instead\n");
        BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
-
        BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
        BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
        BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
@@ -357,6 +361,7 @@ static void sc_usage(void)
        BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
        BIO_printf(bio_err," -status           - request certificate status from server\n");
        BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
+       BIO_printf(bio_err," -proof_debug      - request an audit proof and print its hex dump\n");
 # ifndef OPENSSL_NO_NEXTPROTONEG
        BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
 # endif
@@ -553,7 +558,7 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
        {
-       unsigned int off=0, clr=0;
+       int build_chain = 0;
        SSL *con=NULL;
 #ifndef OPENSSL_NO_KRB5
        KSSL_CTX *kctx;
@@ -566,13 +571,16 @@ int MAIN(int argc, char **argv)
        short port=PORT;
        int full_log=1;
        char *host=SSL_HOST_NAME;
-       char *cert_file=NULL,*key_file=NULL;
+       char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
        int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
        char *passarg = NULL, *pass = NULL;
        X509 *cert = NULL;
        EVP_PKEY *key = NULL;
-       char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
-       int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
+       STACK_OF(X509) *chain = NULL;
+       char *CApath=NULL,*CAfile=NULL;
+       char *chCApath=NULL,*chCAfile=NULL;
+       char *vfyCApath=NULL,*vfyCAfile=NULL;
+       int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
        int crlf=0;
        int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
        SSL_CTX *ctx=NULL;
@@ -601,7 +609,6 @@ int MAIN(int argc, char **argv)
 #endif
 #ifndef OPENSSL_NO_TLSEXT
        char *servername = NULL; 
-       char *curves=NULL;
         tlsextctx tlsextcbp = 
         {NULL,0};
 # ifndef OPENSSL_NO_NEXTPROTONEG
@@ -622,6 +629,15 @@ int MAIN(int argc, char **argv)
        int srp_lateuser = 0;
        SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
 #endif
+       SSL_EXCERT *exc = NULL;
+
+       SSL_CONF_CTX *cctx = NULL;
+       STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
+
+       char *crl_file = NULL;
+       int crl_format = FORMAT_PEM;
+       int crl_download = 0;
+       STACK_OF(X509_CRL) *crls = NULL;
 
        meth=SSLv23_client_method();
 
@@ -638,6 +654,11 @@ int MAIN(int argc, char **argv)
 
        if (!load_config(bio_err, NULL))
                goto end;
+       cctx = SSL_CONF_CTX_new();
+       if (!cctx)
+               goto end;
+       SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
+       SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
 
        if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
                ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
@@ -679,13 +700,21 @@ int MAIN(int argc, char **argv)
                        verify=SSL_VERIFY_PEER;
                        if (--argc < 1) goto bad;
                        verify_depth=atoi(*(++argv));
-                       BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
+                       if (!c_quiet)
+                               BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
                        }
                else if (strcmp(*argv,"-cert") == 0)
                        {
                        if (--argc < 1) goto bad;
                        cert_file= *(++argv);
                        }
+               else if (strcmp(*argv,"-CRL") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       crl_file= *(++argv);
+                       }
+               else if (strcmp(*argv,"-crl_download") == 0)
+                       crl_download = 1;
                else if (strcmp(*argv,"-sess_out") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -701,6 +730,11 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) goto bad;
                        cert_format = str2fmt(*(++argv));
                        }
+               else if (strcmp(*argv,"-CRLform") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       crl_format = str2fmt(*(++argv));
+                       }
                else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
                        {
                        if (badarg)
@@ -709,6 +743,26 @@ int MAIN(int argc, char **argv)
                        }
                else if (strcmp(*argv,"-verify_return_error") == 0)
                        verify_return_error = 1;
+               else if (strcmp(*argv,"-verify_quiet") == 0)
+                       verify_quiet = 1;
+               else if (strcmp(*argv,"-brief") == 0)
+                       {
+                       c_brief = 1;
+                       verify_quiet = 1;
+                       c_quiet = 1;
+                       }
+               else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
+                       {
+                       if (badarg)
+                               goto bad;
+                       continue;
+                       }
+               else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
+                       {
+                       if (badarg)
+                               goto bad;
+                       continue;
+                       }
                else if (strcmp(*argv,"-prexit") == 0)
                        prexit=1;
                else if (strcmp(*argv,"-crlf") == 0)
@@ -731,6 +785,8 @@ int MAIN(int argc, char **argv)
                        c_tlsextdebug=1;
                else if (strcmp(*argv,"-status") == 0)
                        c_status_req=1;
+               else if (strcmp(*argv,"-proof_debug") == 0)
+                       c_proof_debug=1;
 #endif
 #ifdef WATT32
                else if (strcmp(*argv,"-wdebug") == 0)
@@ -738,6 +794,15 @@ int MAIN(int argc, char **argv)
 #endif
                else if (strcmp(*argv,"-msg") == 0)
                        c_msg=1;
+               else if (strcmp(*argv,"-msgfile") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       bio_c_msg = BIO_new_file(*(++argv), "w");
+                       }
+#ifndef OPENSSL_NO_SSL_TRACE
+               else if (strcmp(*argv,"-trace") == 0)
+                       c_msg=2;
+#endif
                else if (strcmp(*argv,"-showcerts") == 0)
                        c_showcerts=1;
                else if (strcmp(*argv,"-nbio_test") == 0)
@@ -826,8 +891,6 @@ int MAIN(int argc, char **argv)
                        socket_mtu = atol(*(++argv));
                        }
 #endif
-               else if (strcmp(*argv,"-bugs") == 0)
-                       bugs=1;
                else if (strcmp(*argv,"-keyform") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -838,6 +901,11 @@ 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;
+                       chain_file= *(++argv);
+                       }
                else if (strcmp(*argv,"-key") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -852,26 +920,34 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) goto bad;
                        CApath= *(++argv);
                        }
+               else if (strcmp(*argv,"-chainCApath") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       chCApath= *(++argv);
+                       }
+               else if (strcmp(*argv,"-verifyCApath") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       vfyCApath= *(++argv);
+                       }
+               else if (strcmp(*argv,"-build_chain") == 0)
+                       build_chain = 1;
                else if (strcmp(*argv,"-CAfile") == 0)
                        {
                        if (--argc < 1) goto bad;
                        CAfile= *(++argv);
                        }
-               else if (strcmp(*argv,"-no_tls1_2") == 0)
-                       off|=SSL_OP_NO_TLSv1_2;
-               else if (strcmp(*argv,"-no_tls1_1") == 0)
-                       off|=SSL_OP_NO_TLSv1_1;
-               else if (strcmp(*argv,"-no_tls1") == 0)
-                       off|=SSL_OP_NO_TLSv1;
-               else if (strcmp(*argv,"-no_ssl3") == 0)
-                       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,"-chainCAfile") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       chCAfile= *(++argv);
+                       }
+               else if (strcmp(*argv,"-verifyCAfile") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       vfyCAfile= *(++argv);
+                       }
 #ifndef OPENSSL_NO_TLSEXT
-               else if (strcmp(*argv,"-no_ticket") == 0)
-                       { off|=SSL_OP_NO_TICKET; }
 # ifndef OPENSSL_NO_NEXTPROTONEG
                else if (strcmp(*argv,"-nextprotoneg") == 0)
                        {
@@ -880,19 +956,6 @@ int MAIN(int argc, char **argv)
                        }
 # endif
 #endif
-               else if (strcmp(*argv,"-serverpref") == 0)
-                       off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
-               else if (strcmp(*argv,"-legacy_renegotiation") == 0)
-                       off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
-               else if (strcmp(*argv,"-legacy_server_connect") == 0)
-                       { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
-               else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
-                       { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
-               else if (strcmp(*argv,"-cipher") == 0)
-                       {
-                       if (--argc < 1) goto bad;
-                       cipher= *(++argv);
-                       }
 #ifdef FIONBIO
                else if (strcmp(*argv,"-nbio") == 0)
                        { c_nbio=1; }
@@ -938,11 +1001,6 @@ int MAIN(int argc, char **argv)
                        servername= *(++argv);
                        /* meth=TLSv1_client_method(); */
                        }
-               else if (strcmp(*argv,"-curves") == 0)
-                       {
-                       if (--argc < 1) goto bad;
-                       curves= *(++argv);
-                       }
 #endif
 #ifndef OPENSSL_NO_JPAKE
                else if (strcmp(*argv,"-jpake") == 0)
@@ -1072,6 +1130,37 @@ bad:
                        }
                }
 
+       if (chain_file)
+               {
+               chain = load_certs(bio_err, chain_file,FORMAT_PEM,
+                                       NULL, e, "client certificate chain");
+               if (!chain)
+                       goto end;
+               }
+
+       if (crl_file)
+               {
+               X509_CRL *crl;
+               crl = load_crl(crl_file, crl_format);
+               if (!crl)
+                       {
+                       BIO_puts(bio_err, "Error loading CRL\n");
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+               crls = sk_X509_CRL_new_null();
+               if (!crls || !sk_X509_CRL_push(crls, crl))
+                       {
+                       BIO_puts(bio_err, "Error adding CRL\n");
+                       ERR_print_errors(bio_err);
+                       X509_CRL_free(crl);
+                       goto end;
+                       }
+               }
+
+       if (!load_excert(&exc, bio_err))
+               goto end;
+
        if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
                && !RAND_status())
                {
@@ -1083,9 +1172,11 @@ bad:
 
        if (bio_c_out == NULL)
                {
-               if (c_quiet && !c_debug && !c_msg)
+               if (c_quiet && !c_debug)
                        {
                        bio_c_out=BIO_new(BIO_s_null());
+                       if (c_msg && !bio_c_msg)
+                               bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
                        }
                else
                        {
@@ -1112,6 +1203,20 @@ bad:
        if (vpm)
                SSL_CTX_set1_param(ctx, vpm);
 
+       if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1))
+               {
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+
+       if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
+                                               crls, crl_download))
+               {
+               BIO_printf(bio_err, "Error loading store locations\n");
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+
 #ifndef OPENSSL_NO_ENGINE
        if (ssl_client_engine)
                {
@@ -1140,13 +1245,7 @@ bad:
        if (srtp_profiles != NULL)
                SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
 #endif
-       if (bugs)
-               SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
-       else
-               SSL_CTX_set_options(ctx,off);
-
-       if (clr)
-               SSL_CTX_clear_options(ctx, clr);
+       if (exc) ssl_ctx_set_excert(ctx, exc);
        /* DTLS: partial reads end up discarding unread UDP bytes :-( 
         * Setting read ahead solves this problem.
         */
@@ -1158,20 +1257,12 @@ bad:
 #endif
 
        if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
-       if (cipher != NULL)
-               if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
-               BIO_printf(bio_err,"error setting cipher list\n");
-               ERR_print_errors(bio_err);
-               goto end;
-       }
 #if 0
        else
                SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 #endif
 
        SSL_CTX_set_verify(ctx,verify,verify_callback);
-       if (!set_cert_key_stuff(ctx,cert,key))
-               goto end;
 
        if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
                (!SSL_CTX_set_default_verify_paths(ctx)))
@@ -1181,13 +1272,12 @@ bad:
                /* goto end; */
                }
 
-#ifndef OPENSSL_NO_TLSEXT
-       if (curves != NULL)
-               if(!SSL_CTX_set1_curves_list(ctx,curves)) {
-               BIO_printf(bio_err,"error setting curve list\n");
-               ERR_print_errors(bio_err);
+       ssl_ctx_add_crls(ctx, crls, crl_download);
+
+       if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
                goto end;
-       }
+
+#ifndef OPENSSL_NO_TLSEXT
        if (servername != NULL)
                {
                tlsextcbp.biodebug = bio_err;
@@ -1212,6 +1302,9 @@ bad:
                }
 
 #endif
+       if (c_proof_debug)
+               SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
+                                                              audit_proof_cb);
 #endif
 
        con=SSL_new(ctx);
@@ -1340,8 +1433,13 @@ re_start:
                }
        if (c_msg)
                {
-               SSL_set_msg_callback(con, msg_cb);
-               SSL_set_msg_callback_arg(con, bio_c_out);
+#ifndef OPENSSL_NO_SSL_TRACE
+               if (c_msg == 2)
+                       SSL_set_msg_callback(con, SSL_trace);
+               else
+#endif
+                       SSL_set_msg_callback(con, msg_cb);
+               SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
                }
 #ifndef OPENSSL_NO_TLSEXT
        if (c_tlsextdebug)
@@ -1541,6 +1639,12 @@ SSL_set_tlsext_status_ids(con, ids);
                                        else 
                                                BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
                                        }
+                               if (c_brief)
+                                       {
+                                       BIO_puts(bio_err,
+                                               "CONNECTION ESTABLISHED\n");
+                                       print_ssl_summary(bio_err, con);
+                                       }
                                print_stuff(bio_c_out,con,full_log);
                                if (full_log > 0) full_log--;
 
@@ -1803,7 +1907,10 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240
                                break;
                        case SSL_ERROR_SYSCALL:
                                ret=get_last_socket_error();
-                               BIO_printf(bio_err,"read:errno=%d\n",ret);
+                               if (c_brief)
+                                       BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
+                               else
+                                       BIO_printf(bio_err,"read:errno=%d\n",ret);
                                goto shut;
                        case SSL_ERROR_ZERO_RETURN:
                                BIO_printf(bio_c_out,"closed\n");
@@ -1903,13 +2010,28 @@ end:
                        print_stuff(bio_c_out,con,1);
                SSL_free(con);
                }
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+       if (next_proto.data)
+               OPENSSL_free(next_proto.data);
+#endif
        if (ctx != NULL) SSL_CTX_free(ctx);
        if (cert)
                X509_free(cert);
+       if (crls)
+               sk_X509_CRL_pop_free(crls, X509_CRL_free);
        if (key)
                EVP_PKEY_free(key);
+       if (chain)
+               sk_X509_pop_free(chain, X509_free);
        if (pass)
                OPENSSL_free(pass);
+       if (vpm)
+               X509_VERIFY_PARAM_free(vpm);
+       ssl_excert_free(exc);
+       if (ssl_args)
+               sk_OPENSSL_STRING_free(ssl_args);
+       if (cctx)
+               SSL_CONF_CTX_free(cctx);
        if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
        if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
        if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
@@ -1918,6 +2040,11 @@ end:
                BIO_free(bio_c_out);
                bio_c_out=NULL;
                }
+       if (bio_c_msg != NULL)
+               {
+               BIO_free(bio_c_msg);
+               bio_c_msg=NULL;
+               }
        apps_shutdown();
        OPENSSL_EXIT(ret);
        }
@@ -2025,6 +2152,7 @@ static void print_stuff(BIO *bio, SSL *s, int full)
                        }
 
                ssl_print_sigalgs(bio, s);
+               ssl_print_tmp_key(bio, s);
 
                BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
                        BIO_number_read(SSL_get_rbio(s)),
@@ -2052,18 +2180,7 @@ static void print_stuff(BIO *bio, SSL *s, int full)
        BIO_printf(bio,"Expansion: %s\n",
                expansion ? SSL_COMP_get_name(expansion) : "NONE");
 #endif
-
-#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
-       if (next_proto.status != -1) {
-               const unsigned char *proto;
-               unsigned int proto_len;
-               SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
-               BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
-               BIO_write(bio, proto, proto_len);
-               BIO_write(bio, "\n", 1);
-       }
-#endif
-
 #ifdef SSL_DEBUG
        {
        /* Print out local port of connection: useful for debugging */
@@ -2076,6 +2193,17 @@ static void print_stuff(BIO *bio, SSL *s, int full)
        }
 #endif
 
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+       if (next_proto.status != -1) {
+               const unsigned char *proto;
+               unsigned int proto_len;
+               SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
+               BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
+               BIO_write(bio, proto, proto_len);
+               BIO_write(bio, "\n", 1);
+       }
+#endif
+
        {
        SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
  
@@ -2147,4 +2275,26 @@ static int ocsp_resp_cb(SSL *s, void *arg)
        return 1;
        }
 
+static int audit_proof_cb(SSL *s, void *arg)
+       {
+       const unsigned char *proof;
+       size_t proof_len;
+       size_t i;
+       SSL_SESSION *sess = SSL_get_session(s);
+
+       proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
+                                                               &proof_len);
+       if (proof != NULL)
+               {
+               BIO_printf(bio_c_out, "Audit proof: ");
+               for (i = 0; i < proof_len; ++i)
+                       BIO_printf(bio_c_out, "%02X", proof[i]);
+               BIO_printf(bio_c_out, "\n");
+               }
+       else
+               {
+               BIO_printf(bio_c_out, "No audit proof found.\n");
+               }
+       return 1;
+       }
 #endif