diff options
author | Bodo Möller <bodo@openssl.org> | 2006-01-02 23:14:37 +0000 |
---|---|---|
committer | Bodo Möller <bodo@openssl.org> | 2006-01-02 23:14:37 +0000 |
commit | ed3883d21bb4ddfc21ec9d154e14e84c85db164d (patch) | |
tree | 90b41ebd80a9ddc73886c2f9d3ff427d48508f21 /apps | |
parent | ea558241e08c575cfea49732b19eaf14bae9e672 (diff) |
Support TLS extensions (specifically, HostName)
Submitted by: Peter Sylvester
Diffstat (limited to 'apps')
-rw-r--r-- | apps/s_client.c | 70 | ||||
-rw-r--r-- | apps/s_server.c | 269 |
2 files changed, 310 insertions, 29 deletions
diff --git a/apps/s_client.c b/apps/s_client.c index 5679b09cf1..c24b6e4a26 100644 --- a/apps/s_client.c +++ b/apps/s_client.c @@ -222,9 +222,32 @@ static void sc_usage(void) BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); #endif BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); - +#ifndef OPENSSL_NO_TLSEXT + BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); +#endif } +#ifndef OPENSSL_NO_TLSEXT + +/* This is a context that we pass to callbacks */ +typedef struct tlsextctx_st { + BIO * biodebug; + int ack; +} tlsextctx; + + +static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) { + tlsextctx * p = (tlsextctx *) arg; + const unsigned char * hn= SSL_get_servername(s, TLSEXT_TYPE_SERVER_host); + if (SSL_get_servername_type(s) != -1) + p->ack = !SSL_session_reused(s) && hn != NULL; + else + BIO_printf(bio_err,"SSL_get_tlsext_hostname does not work\n"); + + return SSL_ERROR_NONE; +} +#endif + int MAIN(int, char **); int MAIN(int argc, char **argv) @@ -254,10 +277,7 @@ int MAIN(int argc, char **argv) int starttls_proto = 0; int prexit = 0, vflags = 0; const SSL_METHOD *meth=NULL; -#ifdef sock_type -#undef sock_type -#endif - int sock_type=SOCK_STREAM; + int socketType=SOCK_STREAM; BIO *sbio; char *inrand=NULL; #ifndef OPENSSL_NO_ENGINE @@ -268,6 +288,11 @@ int MAIN(int argc, char **argv) struct timeval tv; #endif +#ifndef OPENSSL_NO_TLSEXT + char *servername = NULL; + tlsextctx tlsextcbp = + {NULL,0}; +#endif struct sockaddr peer; int peerlen = sizeof(peer); int enable_timeouts = 0 ; @@ -394,7 +419,7 @@ int MAIN(int argc, char **argv) else if (strcmp(*argv,"-dtls1") == 0) { meth=DTLSv1_client_method(); - sock_type=SOCK_DGRAM; + socketType=SOCK_DGRAM; } else if (strcmp(*argv,"-timeout") == 0) enable_timeouts=1; @@ -477,6 +502,14 @@ int MAIN(int argc, char **argv) if (--argc < 1) goto bad; inrand= *(++argv); } +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv,"-servername") == 0) + { + if (--argc < 1) goto bad; + servername= *(++argv); + /* meth=TLSv1_client_method(); */ + } +#endif else { BIO_printf(bio_err,"unknown option %s\n",*argv); @@ -572,7 +605,7 @@ bad: /* DTLS: partial reads end up discarding unread UDP bytes :-( * Setting read ahead solves this problem. */ - if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); + if (socketType == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); if (cipher != NULL) @@ -600,8 +633,24 @@ bad: store = SSL_CTX_get_cert_store(ctx); X509_STORE_set_flags(store, vflags); +#ifndef OPENSSL_NO_TLSEXT + if (servername != NULL) { + tlsextcbp.biodebug = bio_err; + SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); + SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); + } +#endif con=SSL_new(ctx); +#ifndef OPENSSL_NO_TLSEXT + if (servername != NULL){ + if (!SSL_set_tlsext_hostname(con,servername)){ + BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); + ERR_print_errors(bio_err); + goto end; + } + } +#endif #ifndef OPENSSL_NO_KRB5 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL) { @@ -612,7 +661,7 @@ bad: re_start: - if (init_client(&s,host,port,sock_type) == 0) + if (init_client(&s,host,port,socketType) == 0) { BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); SHUTDOWN(s); @@ -741,6 +790,11 @@ re_start: if (in_init) { in_init=0; +#ifndef OPENSSL_NO_TLSEXT + if (servername != NULL && !SSL_session_reused(con)) { + BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); + } +#endif print_stuff(bio_c_out,con,full_log); if (full_log > 0) full_log--; diff --git a/apps/s_server.c b/apps/s_server.c index 918f776ee5..7dc864fab9 100644 --- a/apps/s_server.c +++ b/apps/s_server.c @@ -221,6 +221,9 @@ static int bufsize=BUFSIZZ; static int accept_socket= -1; #define TEST_CERT "server.pem" +#ifndef OPENSSL_NO_TLSEXT +#define TEST_CERT2 "server2.pem" +#endif #undef PROG #define PROG s_server_main @@ -230,6 +233,9 @@ 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; +#ifndef OPENSSL_NO_TLSEXT +static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL; +#endif static char *s_dcert_file=NULL,*s_dkey_file=NULL; #ifdef FIONBIO static int s_nbio=0; @@ -237,6 +243,9 @@ static int s_nbio=0; static int s_nbio_test=0; int s_crlf=0; static SSL_CTX *ctx=NULL; +#ifndef OPENSSL_NO_TLSEXT +static SSL_CTX *ctx2=NULL; +#endif static int www=0; static BIO *bio_s_out=NULL; @@ -251,10 +260,7 @@ static char *engine_id=NULL; static const char *session_id_prefix=NULL; static int enable_timeouts = 0; -#ifdef mtu -#undef mtu -#endif -static long mtu; +static long socketMtu; static int cert_chain = 0; @@ -268,6 +274,11 @@ static void s_server_init(void) s_dkey_file=NULL; s_cert_file=TEST_CERT; s_key_file=NULL; +#ifndef OPENSSL_NO_TLSEXT + s_cert_file2=TEST_CERT2; + s_key_file2=NULL; + ctx2=NULL; +#endif #ifdef FIONBIO s_nbio=0; #endif @@ -354,6 +365,14 @@ static void sv_usage(void) #endif BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); +#ifndef OPENSSL_NO_TLSEXT + BIO_printf(bio_err," -servername host - check TLS1 servername\n"); + BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n"); + 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," -servername host - check TLS1 servername\n"); +#endif } static int local_argc=0; @@ -509,6 +528,37 @@ static int ebcdic_puts(BIO *bp, const char *str) } #endif +#ifndef OPENSSL_NO_TLSEXT + +/* This is a context that we pass to callbacks */ +typedef struct tlsextctx_st { + char * servername; + BIO * biodebug; +} tlsextctx; + + +static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) { + tlsextctx * p = (tlsextctx *) arg; + const char * servername = SSL_get_servername(s, TLSEXT_TYPE_SERVER_host); + if (servername) + BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername); + + if (!p->servername) { + SSL_set_tlsext_servername_done(s,2); + return SSL_ERROR_NONE; + } + + if (servername) { + if (strcmp(servername,p->servername)) + return TLS1_AD_UNRECOGNIZED_NAME; + if (ctx2) + SSL_set_SSL_CTX(s,ctx2); + SSL_set_tlsext_servername_done(s,1); + } + return SSL_ERROR_NONE; +} +#endif + int MAIN(int, char **); int MAIN(int argc, char *argv[]) @@ -528,10 +578,7 @@ int MAIN(int argc, char *argv[]) int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0; int state=0; const SSL_METHOD *meth=NULL; -#ifdef sock_type -#undef sock_type -#endif - int sock_type=SOCK_STREAM; + int socketType=SOCK_STREAM; #ifndef OPENSSL_NO_ENGINE ENGINE *e=NULL; #endif @@ -542,7 +589,16 @@ int MAIN(int argc, char *argv[]) int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; X509 *s_cert = NULL, *s_dcert = NULL; EVP_PKEY *s_key = NULL, *s_dkey = NULL; +#ifndef OPENSSL_NO_TLSEXT + EVP_PKEY *s_key2 = NULL; + X509 *s_cert2 = NULL; +#endif +#ifndef OPENSSL_NO_TLSEXT + tlsextctx tlsextcbp = + {NULL,NULL + }; +#endif #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) meth=SSLv23_server_method(); #elif !defined(OPENSSL_NO_SSL3) @@ -755,14 +811,14 @@ int MAIN(int argc, char *argv[]) else if (strcmp(*argv,"-dtls1") == 0) { meth=DTLSv1_server_method(); - sock_type = SOCK_DGRAM; + socketType = SOCK_DGRAM; } else if (strcmp(*argv,"-timeout") == 0) enable_timeouts = 1; else if (strcmp(*argv,"-mtu") == 0) { if (--argc < 1) goto bad; - mtu = atol(*(++argv)); + socketMtu = atol(*(++argv)); } else if (strcmp(*argv, "-chain") == 0) cert_chain = 1; @@ -784,6 +840,24 @@ int MAIN(int argc, char *argv[]) if (--argc < 1) goto bad; inrand= *(++argv); } +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv,"-servername") == 0) + { + if (--argc < 1) goto bad; + tlsextcbp.servername= *(++argv); + /* meth=TLSv1_server_method(); */ + } + else if (strcmp(*argv,"-cert2") == 0) + { + if (--argc < 1) goto bad; + s_cert_file2= *(++argv); + } + else if (strcmp(*argv,"-key2") == 0) + { + if (--argc < 1) goto bad; + s_key_file2= *(++argv); + } +#endif else { BIO_printf(bio_err,"unknown option %s\n",*argv); @@ -816,6 +890,10 @@ bad: if (s_key_file == NULL) s_key_file = s_cert_file; +#ifndef OPENSSL_NO_TLSEXT + if (s_key_file2 == NULL) + s_key_file2 = s_cert_file2; +#endif if (nocert == 0) { @@ -835,8 +913,31 @@ bad: ERR_print_errors(bio_err); goto end; } + +#ifndef OPENSSL_NO_TLSEXT + if (tlsextcbp.servername) + { + s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, + "second server certificate private key file"); + if (!s_key2) + { + ERR_print_errors(bio_err); + goto end; + } + + s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format, + NULL, e, "second server certificate file"); + + if (!s_cert2) + { + ERR_print_errors(bio_err); + goto end; + } + } +#endif } + if (s_dcert_file) { @@ -893,6 +994,10 @@ bad: s_key_file=NULL; s_dcert_file=NULL; s_dkey_file=NULL; +#ifndef OPENSSL_NO_TLSEXT + s_cert_file2=NULL; + s_key_file2=NULL; +#endif } ctx=SSL_CTX_new(meth); @@ -924,7 +1029,7 @@ bad: /* DTLS: partial reads end up discarding unread UDP bytes :-( * Setting read ahead solves this problem. */ - if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); + if (socketType == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); @@ -952,6 +1057,57 @@ bad: store = SSL_CTX_get_cert_store(ctx); X509_STORE_set_flags(store, vflags); +#ifndef OPENSSL_NO_TLSEXT + if (s_cert2) { + ctx2=SSL_CTX_new(meth); + if (ctx2 == NULL) + { + ERR_print_errors(bio_err); + goto end; + } + } + + if (ctx2) { + BIO_printf(bio_s_out,"Setting secondary ctx parameters\n"); + if (session_id_prefix) + { + if(strlen(session_id_prefix) >= 32) + BIO_printf(bio_err, +"warning: id_prefix is too long, only one new session will be possible\n"); + else if(strlen(session_id_prefix) >= 16) + BIO_printf(bio_err, +"warning: id_prefix is too long if you use SSLv2\n"); + if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) + { + BIO_printf(bio_err,"error setting 'id_prefix'\n"); + ERR_print_errors(bio_err); + goto end; + } + BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); + } + SSL_CTX_set_quiet_shutdown(ctx2,1); + if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL); + if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); + SSL_CTX_set_options(ctx2,off); + /* DTLS: partial reads end up discarding unread UDP bytes :-( + * Setting read ahead solves this problem. + */ + if (socketType == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1); + + if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback); + + SSL_CTX_sess_set_cache_size(ctx2,128); + + if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) || + (!SSL_CTX_set_default_verify_paths(ctx2))) + { + ERR_print_errors(bio_err); + } + store = SSL_CTX_get_cert_store(ctx2); + X509_STORE_set_flags(store, vflags); + + } +#endif #ifndef OPENSSL_NO_DH if (!no_dhe) { @@ -974,6 +1130,22 @@ bad: (void)BIO_flush(bio_s_out); SSL_CTX_set_tmp_dh(ctx,dh); +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) { + if (!dhfile) { + DH *dh2=load_dh_param(s_cert_file2); + if (dh2 != NULL) + { + BIO_printf(bio_s_out,"Setting temp DH parameters\n"); + (void)BIO_flush(bio_s_out); + + DH_free(dh); + dh = dh2; + } + } + SSL_CTX_set_tmp_dh(ctx2,dh); + } +#endif DH_free(dh); } #endif @@ -1019,12 +1191,20 @@ bad: (void)BIO_flush(bio_s_out); SSL_CTX_set_tmp_ecdh(ctx,ecdh); +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) + SSL_CTX_set_tmp_ecdh(ctx2,ecdh); +#endif EC_KEY_free(ecdh); } #endif if (!set_cert_key_stuff(ctx,s_cert,s_key)) goto end; +#ifndef OPENSSL_NO_TLSEXT + if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2)) + goto end; +#endif if (s_dcert != NULL) { if (!set_cert_key_stuff(ctx,s_dcert,s_dkey)) @@ -1033,8 +1213,13 @@ bad: #ifndef OPENSSL_NO_RSA #if 1 - if (!no_tmp_rsa) + if (!no_tmp_rsa) { SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb); +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) + SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb); +#endif + } #else if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { @@ -1050,30 +1235,65 @@ bad: ERR_print_errors(bio_err); goto end; } +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) { + if (!SSL_CTX_set_tmp_rsa(ctx2,rsa)) + { + ERR_print_errors(bio_err); + goto end; + } + } +#endif RSA_free(rsa); BIO_printf(bio_s_out,"\n"); } #endif #endif - if (cipher != NULL) + 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; + BIO_printf(bio_err,"error setting cipher list\n"); + ERR_print_errors(bio_err); + goto end; + } +#ifndef OPENSSL_NO_TLSEXT + if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher)) { + BIO_printf(bio_err,"error setting cipher 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); - if (CAfile != NULL) +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) { + SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback); + SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context, + sizeof s_server_session_id_context); + + } + tlsextcbp.biodebug = bio_s_out; + SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); + SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); + SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); + SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); +#endif + if (CAfile != NULL) { SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) + SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile)); +#endif + } BIO_printf(bio_s_out,"ACCEPT\n"); if (www) - do_server(port,sock_type,&accept_socket,www_body, context); + do_server(port,socketType,&accept_socket,www_body, context); else - do_server(port,sock_type,&accept_socket,sv_body, context); + do_server(port,socketType,&accept_socket,sv_body, context); print_stats(bio_s_out,ctx); ret=0; end: @@ -1090,6 +1310,13 @@ end: OPENSSL_free(pass); if (dpass) OPENSSL_free(dpass); +#ifndef OPENSSL_NO_TLSEXT + if (ctx2 != NULL) SSL_CTX_free(ctx2); + if (s_cert2) + X509_free(s_cert2); + if (s_key2) + EVP_PKEY_free(s_key2); +#endif if (bio_s_out != NULL) { BIO_free(bio_s_out); @@ -1189,10 +1416,10 @@ static int sv_body(char *hostname, int s, unsigned char *context) } - if ( mtu > 0) + if ( socketMtu > 0) { SSL_set_options(con, SSL_OP_NO_QUERY_MTU); - SSL_set_mtu(con, mtu); + SSL_set_mtu(con, socketMtu); } else /* want to do MTU discovery */ |