X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fs_client.c;h=1e3bc391b59a01e67696e49f0f7332dc6c728222;hp=ba76a0e3bdb2197788dc95763d230e6b25dc8ffc;hb=8f4077ca69076cebaca51b7b666db1ed49e46b9e;hpb=5d2e07f182f3841c14400fd4fb56f94b06fc7427 diff --git a/apps/s_client.c b/apps/s_client.c index ba76a0e3bd..1e3bc391b5 100644 --- a/apps/s_client.c +++ b/apps/s_client.c @@ -203,7 +203,6 @@ 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; @@ -215,7 +214,8 @@ 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); +static int c_auth = 0; +static int c_auth_require_reneg = 0; #endif static BIO *bio_c_out=NULL; static BIO *bio_c_msg=NULL; @@ -223,6 +223,37 @@ static int c_quiet=0; static int c_ign_eof=0; static int c_brief=0; +#ifndef OPENSSL_NO_TLSEXT + +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 server_provided_server_authz = 0; +static int server_provided_client_authz = 0; + +static const unsigned char auth_ext_data[]={TLSEXT_AUTHZDATAFORMAT_dtcp}; + +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, void *arg); + +static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type, + const unsigned char **out, unsigned short *outlen, + void *arg); + +static int authz_tlsext_cb(SSL *s, unsigned short ext_type, + const unsigned char *in, + unsigned short inlen, int *al, + void *arg); +#endif + #ifndef OPENSSL_NO_PSK /* Default PSK identity and key */ static char *psk_identity="Client_identity"; @@ -293,7 +324,6 @@ 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"); @@ -351,6 +381,7 @@ static void sc_usage(void) BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); BIO_printf(bio_err," are supported.\n"); + BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n"); #ifndef OPENSSL_NO_ENGINE BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); #endif @@ -362,10 +393,13 @@ 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"); + BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\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"); # ifndef OPENSSL_NO_NEXTPROTONEG BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); # endif + BIO_printf(bio_err," -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n"); #endif BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); @@ -543,6 +577,27 @@ static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, con return SSL_TLSEXT_ERR_OK; } # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ + +static int serverinfo_cli_cb(SSL* s, unsigned short ext_type, + const unsigned char* in, unsigned short inlen, + int* al, void* arg) + { + char pem_name[100]; + unsigned char ext_buf[4 + 65536]; + + /* Reconstruct the type/len fields prior to extension data */ + ext_buf[0] = ext_type >> 8; + ext_buf[1] = ext_type & 0xFF; + ext_buf[2] = inlen >> 8; + ext_buf[3] = inlen & 0xFF; + memcpy(ext_buf+4, in, inlen); + + BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d", + ext_type); + PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen); + return 1; + } + #endif enum @@ -572,12 +627,16 @@ 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 *xmpphost = 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; + 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; @@ -612,6 +671,10 @@ int MAIN(int argc, char **argv) # ifndef OPENSSL_NO_NEXTPROTONEG const char *next_proto_neg_in = NULL; # endif + const char *alpn_in = NULL; +# define MAX_SI_TYPES 100 + unsigned short serverinfo_types[MAX_SI_TYPES]; + int serverinfo_types_count = 0; #endif char *sess_in = NULL; char *sess_out = NULL; @@ -620,7 +683,10 @@ int MAIN(int argc, char **argv) int enable_timeouts = 0 ; long socket_mtu = 0; #ifndef OPENSSL_NO_JPAKE - char *jpake_secret = NULL; +static char *jpake_secret = NULL; +#define no_jpake !jpake_secret +#else +#define no_jpake 1 #endif #ifndef OPENSSL_NO_SRP char * srppass = NULL; @@ -629,11 +695,14 @@ int MAIN(int argc, char **argv) #endif SSL_EXCERT *exc = NULL; - unsigned char *checkhost = NULL, *checkemail = NULL; - char *checkip = 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(); apps_startup(); @@ -690,6 +759,11 @@ int MAIN(int argc, char **argv) if (!extract_host_port(*(++argv),&host,NULL,&port)) goto bad; } + else if (strcmp(*argv,"-xmpphost") == 0) + { + if (--argc < 1) goto bad; + xmpphost= *(++argv); + } else if (strcmp(*argv,"-verify") == 0) { verify=SSL_VERIFY_PEER; @@ -703,6 +777,13 @@ int MAIN(int argc, char **argv) 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; @@ -718,6 +799,11 @@ 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) @@ -768,8 +854,10 @@ 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; + else if (strcmp(*argv,"-auth") == 0) + c_auth = 1; + else if (strcmp(*argv,"-auth_require_reneg") == 0) + c_auth_require_reneg = 1; #endif #ifdef WATT32 else if (strcmp(*argv,"-wdebug") == 0) @@ -861,11 +949,21 @@ int MAIN(int argc, char **argv) meth=TLSv1_client_method(); #endif #ifndef OPENSSL_NO_DTLS1 + else if (strcmp(*argv,"-dtls") == 0) + { + meth=DTLS_client_method(); + socket_type=SOCK_DGRAM; + } else if (strcmp(*argv,"-dtls1") == 0) { meth=DTLSv1_client_method(); socket_type=SOCK_DGRAM; } + else if (strcmp(*argv,"-dtls1_2") == 0) + { + meth=DTLSv1_2_client_method(); + socket_type=SOCK_DGRAM; + } else if (strcmp(*argv,"-timeout") == 0) enable_timeouts=1; else if (strcmp(*argv,"-mtu") == 0) @@ -884,6 +982,11 @@ 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; @@ -898,6 +1001,16 @@ 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) @@ -905,6 +1018,16 @@ int MAIN(int argc, char **argv) if (--argc < 1) goto bad; CAfile= *(++argv); } + 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 # ifndef OPENSSL_NO_NEXTPROTONEG else if (strcmp(*argv,"-nextprotoneg") == 0) @@ -913,6 +1036,34 @@ int MAIN(int argc, char **argv) next_proto_neg_in = *(++argv); } # endif + else if (strcmp(*argv,"-alpn") == 0) + { + if (--argc < 1) goto bad; + alpn_in = *(++argv); + } + else if (strcmp(*argv,"-serverinfo") == 0) + { + char *c; + int start = 0; + int len; + + if (--argc < 1) goto bad; + c = *(++argv); + serverinfo_types_count = 0; + len = strlen(c); + for (i = 0; i <= len; ++i) + { + if (i == len || c[i] == ',') + { + serverinfo_types[serverinfo_types_count] + = atoi(c+start); + serverinfo_types_count++; + start = i+1; + } + if (serverinfo_types_count == MAX_SI_TYPES) + break; + } + } #endif #ifdef FIONBIO else if (strcmp(*argv,"-nbio") == 0) @@ -960,21 +1111,6 @@ int MAIN(int argc, char **argv) /* meth=TLSv1_client_method(); */ } #endif - else if (strcmp(*argv,"-checkhost") == 0) - { - if (--argc < 1) goto bad; - checkhost=(unsigned char *)*(++argv); - } - else if (strcmp(*argv,"-checkemail") == 0) - { - if (--argc < 1) goto bad; - checkemail=(unsigned char *)*(++argv); - } - else if (strcmp(*argv,"-checkip") == 0) - { - if (--argc < 1) goto bad; - checkip=*(++argv); - } #ifndef OPENSSL_NO_JPAKE else if (strcmp(*argv,"-jpake") == 0) { @@ -1025,13 +1161,6 @@ bad: } psk_identity = "JPAKE"; } - - if (cipher) - { - BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); - goto end; - } - cipher = "PSK"; #endif OpenSSL_add_ssl_algorithms(); @@ -1103,6 +1232,34 @@ 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; @@ -1117,9 +1274,11 @@ 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 { @@ -1146,12 +1305,20 @@ bad: if (vpm) SSL_CTX_set1_param(ctx, vpm); - if (!args_ssl_call(ctx, bio_err, cctx, ssl_args)) + if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake)) { 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) { @@ -1186,9 +1353,37 @@ bad: */ if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); -#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) +#if !defined(OPENSSL_NO_TLSEXT) +# if !defined(OPENSSL_NO_NEXTPROTONEG) if (next_proto.data) SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); +# endif + if (alpn_in) + { + unsigned short alpn_len; + unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in); + + if (alpn == NULL) + { + BIO_printf(bio_err, "Error parsing -alpn argument\n"); + goto end; + } + SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len); + OPENSSL_free(alpn); + } +#endif +#ifndef OPENSSL_NO_TLSEXT + if (serverinfo_types_count) + { + for (i = 0; i < serverinfo_types_count; i++) + { + SSL_CTX_set_custom_cli_ext(ctx, + serverinfo_types[i], + NULL, + serverinfo_cli_cb, + NULL); + } + } #endif if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); @@ -1207,7 +1402,9 @@ bad: /* goto end; */ } - if (!set_cert_key_stuff(ctx,cert,key, NULL, build_chain)) + 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 @@ -1235,9 +1432,12 @@ bad: } #endif - if (c_proof_debug) - SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx, - audit_proof_cb); + if (c_auth) + { + SSL_CTX_set_custom_cli_ext(ctx, TLSEXT_TYPE_client_authz, authz_tlsext_generate_cb, authz_tlsext_cb, bio_err); + SSL_CTX_set_custom_cli_ext(ctx, TLSEXT_TYPE_server_authz, authz_tlsext_generate_cb, authz_tlsext_cb, bio_err); + SSL_CTX_set_cli_supp_data(ctx, TLSEXT_SUPPLEMENTALDATATYPE_authz_data, suppdata_cb, auth_suppdata_generate_cb, bio_err); + } #endif con=SSL_new(ctx); @@ -1313,7 +1513,7 @@ re_start: #endif if (c_Pause & 0x01) SSL_set_debug(con, 1); - if ( SSL_version(con) == DTLS1_VERSION) + if (socket_type == SOCK_DGRAM) { sbio=BIO_new_dgram(s,BIO_NOCLOSE); @@ -1513,14 +1713,18 @@ SSL_set_tlsext_status_ids(con, ids); int seen = 0; BIO_printf(sbio,"", host); + "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ? + xmpphost : host); seen = BIO_read(sbio,mbuf,BUFSIZZ); mbuf[seen] = 0; - while (!strstr(mbuf, "")) - goto shut; seen = BIO_read(sbio,mbuf,BUFSIZZ); + + if (seen <= 0) + goto shut; + mbuf[seen] = 0; } BIO_printf(sbio, ""); @@ -1578,8 +1782,13 @@ SSL_set_tlsext_status_ids(con, ids); "CONNECTION ESTABLISHED\n"); print_ssl_summary(bio_err, con); } - print_ssl_cert_checks(bio_err, con, checkhost, - checkemail, checkip); + /*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; + } + print_stuff(bio_c_out,con,full_log); if (full_log > 0) full_log--; @@ -1700,7 +1909,7 @@ SSL_set_tlsext_status_ids(con, ids); if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) { - BIO_printf(bio_err,"TIMEOUT occured\n"); + BIO_printf(bio_err,"TIMEOUT occurred\n"); } if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) @@ -1842,7 +2051,10 @@ 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"); @@ -1949,15 +2161,25 @@ end: 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); +#ifndef OPENSSL_NO_JPAKE + if (jpake_secret && psk_key) + OPENSSL_free(psk_key); +#endif 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); } @@ -2119,7 +2341,8 @@ static void print_stuff(BIO *bio, SSL *s, int full) } #endif -#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) +#if !defined(OPENSSL_NO_TLSEXT) +# if !defined(OPENSSL_NO_NEXTPROTONEG) if (next_proto.status != -1) { const unsigned char *proto; unsigned int proto_len; @@ -2128,6 +2351,20 @@ static void print_stuff(BIO *bio, SSL *s, int full) BIO_write(bio, proto, proto_len); BIO_write(bio, "\n", 1); } +# endif + { + const unsigned char *proto; + unsigned int proto_len; + SSL_get0_alpn_selected(s, &proto, &proto_len); + if (proto_len > 0) + { + BIO_printf(bio, "ALPN protocol: "); + BIO_write(bio, proto, proto_len); + BIO_write(bio, "\n", 1); + } + else + BIO_printf(bio, "No ALPN negotiated\n"); + } #endif { @@ -2201,26 +2438,74 @@ static int ocsp_resp_cb(SSL *s, void *arg) return 1; } -static int audit_proof_cb(SSL *s, void *arg) +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) + server_provided_server_authz + = (memchr(in, TLSEXT_AUTHZDATAFORMAT_dtcp, inlen) != NULL); + + if (TLSEXT_TYPE_client_authz == ext_type) + server_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, + 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) + if (c_auth) { - 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"); + /*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; + } } - else + /* 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) { - BIO_printf(bio_c_out, "No audit proof found.\n"); + 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, void *arg) + { + if (c_auth && server_provided_client_authz && server_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, "5432154321", 10); + *out = generated_supp_data; + *outlen = 10; + return 1; + } + } + /* no supplemental data to send */ + return -1; + } + #endif