X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fs_server.c;h=97389cd590d8243eb41cefdb3757bc38c45c67f7;hp=a294ed343da7c4c4c97806b46968143cd880de86;hb=487b023f3d30114cad2118be70a47171ea4d65cd;hpb=7bf7333d688264f6d389c1c3c87c127f484b2efa diff --git a/apps/s_server.c b/apps/s_server.c index a294ed343d..97389cd590 100644 --- a/apps/s_server.c +++ b/apps/s_server.c @@ -179,12 +179,16 @@ typedef unsigned int u_int; #include #include #include +#include #ifndef OPENSSL_NO_DH #include #endif #ifndef OPENSSL_NO_RSA #include #endif +#ifndef OPENSSL_NO_SRP +#include +#endif #include "s_apps.h" #include "timeouts.h" @@ -200,6 +204,7 @@ typedef unsigned int u_int; #ifndef OPENSSL_NO_RSA static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength); #endif +static int not_resumable_sess_cb(SSL *s, int is_forward_secure); static int sv_body(char *hostname, int s, unsigned char *context); static int www_body(char *hostname, int s, unsigned char *context); static void close_accept_socket(void ); @@ -208,6 +213,8 @@ static int init_ssl_connection(SSL *s); static void print_stats(BIO *bp,SSL_CTX *ctx); static int generate_session_id(const SSL *ssl, unsigned char *id, unsigned int *id_len); +static void init_session_cache_ctx(SSL_CTX *sctx); +static void free_sessions(void); #ifndef OPENSSL_NO_DH static DH *load_dh_param(const char *dhfile); static DH *get_dh512(void); @@ -258,7 +265,7 @@ static int accept_socket= -1; #undef PROG #define PROG s_server_main -extern int verify_depth; +extern int verify_depth, verify_return_error; static char *cipher=NULL; static int s_server_verify=SSL_VERIFY_NONE; @@ -281,6 +288,12 @@ static int www=0; static BIO *bio_s_out=NULL; static int s_debug=0; +#ifndef OPENSSL_NO_TLSEXT +static int s_tlsextdebug=0; +static int s_tlsextstatus=0; +static int cert_status_cb(SSL *s, void *arg); +#endif +static int no_resume_ephemeral = 0; static int s_msg=0; static int s_quiet=0; @@ -292,11 +305,13 @@ static const char *session_id_prefix=NULL; static int enable_timeouts = 0; static long socket_mtu; +#ifndef OPENSSL_NO_DTLS1 static int cert_chain = 0; +#endif #ifndef OPENSSL_NO_PSK static char *psk_identity="Client_identity"; -static char *psk_key=NULL; /* by default PSK is not used */ +char *psk_key=NULL; /* by default PSK is not used */ static unsigned int psk_server_cb(SSL *ssl, const char *identity, unsigned char *psk, unsigned int max_psk_len) @@ -314,12 +329,14 @@ static unsigned int psk_server_cb(SSL *ssl, const char *identity, } if (s_debug) BIO_printf(bio_s_out,"identity_len=%d identity=%s\n", - identity ? strlen(identity) : 0, identity); + identity ? (int)strlen(identity) : 0, identity); /* here we could lookup the given identity e.g. from a database */ if (strcmp(identity, psk_identity) != 0) { - BIO_printf(bio_s_out, "PSK error: client identity not found\n"); + BIO_printf(bio_s_out, "PSK error: client identity not found" + " (got '%s' expected '%s')\n", identity, + psk_identity); goto out_err; } if (s_debug) @@ -359,6 +376,40 @@ static unsigned int psk_server_cb(SSL *ssl, const char *identity, } #endif +#ifndef OPENSSL_NO_SRP +/* This is a context that we pass to callbacks */ +typedef struct srpsrvparm_st + { + int verbose; + char *login; + SRP_VBASE *vb; + } srpsrvparm; + +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); + + user = SRP_VBASE_get_by_user(p->vb, p->login); + if (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) + { + *ad = SSL_AD_INTERNAL_ERROR; + return SSL3_AL_FATAL; + } + return SSL_ERROR_NONE; + } + +#endif + #ifdef MONOLITH static void s_server_init(void) { @@ -402,6 +453,11 @@ 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," -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" \ + " or any other CRL in the CA chain. CRL(s) are appened to the\n" \ + " the certificate file.\n"); BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n"); BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT); @@ -437,23 +493,33 @@ static void sv_usage(void) #ifndef OPENSSL_NO_PSK BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n"); BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); +# ifndef OPENSSL_NO_JPAKE + BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); +# endif +#endif +#ifndef OPENSSL_NO_SRP + BIO_printf(bio_err," -srpvfile file - The verifier file for SRP\n"); + BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n"); #endif BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n"); BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n"); + BIO_printf(bio_err," -tls1_1 - Just talk TLSv1.1\n"); BIO_printf(bio_err," -tls1 - Just talk TLSv1\n"); BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n"); BIO_printf(bio_err," -timeout - Enable timeouts\n"); - BIO_printf(bio_err," -mtu - Set MTU\n"); + BIO_printf(bio_err," -mtu - Set link layer MTU\n"); BIO_printf(bio_err," -chain - Read a certificate chain\n"); BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n"); BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n"); BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n"); + BIO_printf(bio_err," -no_tls1_1 - Just disable TLSv1.1\n"); #ifndef OPENSSL_NO_DH BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n"); #endif #ifndef OPENSSL_NO_ECDH BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n"); #endif + BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n"); BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n"); BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n"); BIO_printf(bio_err," -WWW - Respond to a 'GET / HTTP/1.0' with file ./\n"); @@ -471,6 +537,12 @@ static void sv_usage(void) 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," -tlsextdebug - hex dump of all TLS extensions received\n"); + BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); + BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); +# ifndef OPENSSL_NO_NEXTPROTONEG + BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); +# endif #endif } @@ -653,20 +725,194 @@ static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) return p->extension_error; if (ctx2) { - BIO_printf(p->biodebug,"Swiching server context.\n"); + BIO_printf(p->biodebug,"Switching server context.\n"); SSL_set_SSL_CTX(s,ctx2); } } return SSL_TLSEXT_ERR_OK; } + +/* Structure passed to cert status callback */ + +typedef struct tlsextstatusctx_st { + /* Default responder to use */ + char *host, *path, *port; + int use_ssl; + int timeout; + BIO *err; + int verbose; +} tlsextstatusctx; + +static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0}; + +/* Certificate Status callback. This is called when a client includes a + * certificate status request extension. + * + * This is a simplified version. It examines certificates each time and + * makes one OCSP responder query for each request. + * + * A full version would store details such as the OCSP certificate IDs and + * minimise the number of OCSP responses by caching them until they were + * considered "expired". + */ + +static int cert_status_cb(SSL *s, void *arg) + { + tlsextstatusctx *srctx = arg; + BIO *err = srctx->err; + char *host, *port, *path; + int use_ssl; + unsigned char *rspder = NULL; + int rspderlen; + STACK_OF(OPENSSL_STRING) *aia = NULL; + X509 *x = NULL; + X509_STORE_CTX inctx; + X509_OBJECT obj; + OCSP_REQUEST *req = NULL; + OCSP_RESPONSE *resp = NULL; + OCSP_CERTID *id = NULL; + STACK_OF(X509_EXTENSION) *exts; + int ret = SSL_TLSEXT_ERR_NOACK; + int i; +#if 0 +STACK_OF(OCSP_RESPID) *ids; +SSL_get_tlsext_status_ids(s, &ids); +BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids)); +#endif + if (srctx->verbose) + BIO_puts(err, "cert_status: callback called\n"); + /* Build up OCSP query from server certificate */ + x = SSL_get_certificate(s); + aia = X509_get1_ocsp(x); + if (aia) + { + if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), + &host, &port, &path, &use_ssl)) + { + BIO_puts(err, "cert_status: can't parse AIA URL\n"); + goto err; + } + if (srctx->verbose) + BIO_printf(err, "cert_status: AIA URL: %s\n", + sk_OPENSSL_STRING_value(aia, 0)); + } + else + { + if (!srctx->host) + { + BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n"); + goto done; + } + host = srctx->host; + path = srctx->path; + port = srctx->port; + use_ssl = srctx->use_ssl; + } + + if (!X509_STORE_CTX_init(&inctx, + SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), + NULL, NULL)) + goto err; + if (X509_STORE_get_by_subject(&inctx,X509_LU_X509, + X509_get_issuer_name(x),&obj) <= 0) + { + BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); + X509_STORE_CTX_cleanup(&inctx); + goto done; + } + req = OCSP_REQUEST_new(); + if (!req) + goto err; + id = OCSP_cert_to_id(NULL, x, obj.data.x509); + X509_free(obj.data.x509); + X509_STORE_CTX_cleanup(&inctx); + if (!id) + goto err; + if (!OCSP_request_add0_id(req, id)) + goto err; + id = NULL; + /* Add any extensions to the request */ + SSL_get_tlsext_status_exts(s, &exts); + for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) + { + X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); + if (!OCSP_REQUEST_add_ext(req, ext, -1)) + goto err; + } + resp = process_responder(err, req, host, path, port, use_ssl, NULL, + srctx->timeout); + if (!resp) + { + BIO_puts(err, "cert_status: error querying responder\n"); + goto done; + } + rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); + if (rspderlen <= 0) + goto err; + SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); + if (srctx->verbose) + { + BIO_puts(err, "cert_status: ocsp response sent:\n"); + OCSP_RESPONSE_print(err, resp, 2); + } + ret = SSL_TLSEXT_ERR_OK; + done: + if (ret != SSL_TLSEXT_ERR_OK) + ERR_print_errors(err); + if (aia) + { + OPENSSL_free(host); + OPENSSL_free(path); + OPENSSL_free(port); + X509_email_free(aia); + } + if (id) + OCSP_CERTID_free(id); + if (req) + OCSP_REQUEST_free(req); + if (resp) + OCSP_RESPONSE_free(resp); + return ret; + err: + ret = SSL_TLSEXT_ERR_ALERT_FATAL; + goto done; + } + +# ifndef OPENSSL_NO_NEXTPROTONEG +/* This is the context that we pass to next_proto_cb */ +typedef struct tlsextnextprotoctx_st { + unsigned char *data; + unsigned int len; +} tlsextnextprotoctx; + +static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg) + { + tlsextnextprotoctx *next_proto = arg; + + *data = next_proto->data; + *len = next_proto->len; + + return SSL_TLSEXT_ERR_OK; + } +# endif /* ndef OPENSSL_NO_NPN */ #endif +static int not_resumable_sess_cb(SSL *s, int is_forward_secure) + { + /* disable resumption for sessions with forward secure ciphers */ + return is_forward_secure; + } + int MAIN(int, char **); +#ifndef OPENSSL_NO_JPAKE +static char *jpake_secret = NULL; +#endif + int MAIN(int argc, char *argv[]) { - X509_STORE *store = NULL; - int vflags = 0; + X509_VERIFY_PARAM *vpm = NULL; + int badarg = 0; short port=PORT; char *CApath=NULL,*CAfile=NULL; unsigned char *context = NULL; @@ -681,9 +927,7 @@ int MAIN(int argc, char *argv[]) int state=0; const SSL_METHOD *meth=NULL; int socket_type=SOCK_STREAM; -#ifndef OPENSSL_NO_ENGINE ENGINE *e=NULL; -#endif char *inrand=NULL; int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; char *passarg = NULL, *pass = NULL; @@ -691,24 +935,37 @@ 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; + int no_cache = 0, ext_cache = 0; #ifndef OPENSSL_NO_TLSEXT EVP_PKEY *s_key2 = NULL; X509 *s_cert2 = NULL; #endif - #ifndef OPENSSL_NO_TLSEXT tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING}; +# ifndef OPENSSL_NO_NEXTPROTONEG + const char *next_proto_neg_in = NULL; + tlsextnextprotoctx next_proto; +# endif #endif #ifndef OPENSSL_NO_PSK /* by default do not send a PSK identity hint */ static char *psk_identity_hint=NULL; #endif +#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; @@ -834,16 +1091,22 @@ int MAIN(int argc, char *argv[]) if (--argc < 1) goto bad; CApath= *(++argv); } - else if (strcmp(*argv,"-crl_check") == 0) + else if (strcmp(*argv,"-no_cache") == 0) + no_cache = 1; + else if (strcmp(*argv,"-ext_cache") == 0) + ext_cache = 1; + else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { - vflags |= X509_V_FLAG_CRL_CHECK; - } - else if (strcmp(*argv,"-crl_check") == 0) - { - vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL; + if (badarg) + goto bad; + continue; } + else if (strcmp(*argv,"-verify_return_error") == 0) + verify_return_error = 1; 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,"-cipher") == 0) { if (--argc < 1) goto bad; @@ -867,6 +1130,37 @@ int MAIN(int argc, char *argv[]) } else if (strcmp(*argv,"-debug") == 0) { s_debug=1; } +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv,"-tlsextdebug") == 0) + s_tlsextdebug=1; + else if (strcmp(*argv,"-status") == 0) + s_tlsextstatus=1; + else if (strcmp(*argv,"-status_verbose") == 0) + { + s_tlsextstatus=1; + tlscstatp.verbose = 1; + } + else if (!strcmp(*argv, "-status_timeout")) + { + s_tlsextstatus=1; + if (--argc < 1) goto bad; + tlscstatp.timeout = atoi(*(++argv)); + } + else if (!strcmp(*argv, "-status_url")) + { + s_tlsextstatus=1; + if (--argc < 1) goto bad; + if (!OCSP_parse_url(*(++argv), + &tlscstatp.host, + &tlscstatp.port, + &tlscstatp.path, + &tlscstatp.use_ssl)) + { + BIO_printf(bio_err, "Error parsing URL\n"); + goto bad; + } + } +#endif else if (strcmp(*argv,"-msg") == 0) { s_msg=1; } else if (strcmp(*argv,"-hack") == 0) @@ -885,6 +1179,8 @@ int MAIN(int argc, char *argv[]) { no_dhe=1; } else if (strcmp(*argv,"-no_ecdhe") == 0) { no_ecdhe=1; } + else if (strcmp(*argv,"-no_resume_ephemeral") == 0) + { no_resume_ephemeral = 1; } #ifndef OPENSSL_NO_PSK else if (strcmp(*argv,"-psk_hint") == 0) { @@ -905,6 +1201,20 @@ int MAIN(int argc, char *argv[]) goto bad; } } +#endif +#ifndef OPENSSL_NO_SRP + else if (strcmp(*argv, "-srpvfile") == 0) + { + if (--argc < 1) goto bad; + srp_verifier_file = *(++argv); + meth = TLSv1_server_method(); + } + else if (strcmp(*argv, "-srpuserseed") == 0) + { + if (--argc < 1) goto bad; + srpuserseed = *(++argv); + meth = TLSv1_server_method(); + } #endif else if (strcmp(*argv,"-www") == 0) { www=1; } @@ -916,10 +1226,16 @@ int MAIN(int argc, char *argv[]) { off|=SSL_OP_NO_SSLv2; } else if (strcmp(*argv,"-no_ssl3") == 0) { off|=SSL_OP_NO_SSLv3; } + 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_comp") == 0) { off|=SSL_OP_NO_COMPRESSION; } +#ifndef OPENSSL_NO_TLSEXT + else if (strcmp(*argv,"-no_ticket") == 0) + { off|=SSL_OP_NO_TICKET; } +#endif #ifndef OPENSSL_NO_SSL2 else if (strcmp(*argv,"-ssl2") == 0) { meth=SSLv2_server_method(); } @@ -929,8 +1245,12 @@ int MAIN(int argc, char *argv[]) { meth=SSLv3_server_method(); } #endif #ifndef OPENSSL_NO_TLS1 + else if (strcmp(*argv,"-tls1_1") == 0) + { meth=TLSv1_1_server_method(); } else if (strcmp(*argv,"-tls1") == 0) { meth=TLSv1_server_method(); } + else if (strcmp(*argv,"-tls1_1") == 0) + { meth=TLSv1_1_server_method(); } #endif #ifndef OPENSSL_NO_DTLS1 else if (strcmp(*argv,"-dtls1") == 0) @@ -983,6 +1303,20 @@ int MAIN(int argc, char *argv[]) if (--argc < 1) goto bad; s_key_file2= *(++argv); } +# ifndef OPENSSL_NO_NEXTPROTONEG + else if (strcmp(*argv,"-nextprotoneg") == 0) + { + if (--argc < 1) goto bad; + next_proto_neg_in = *(++argv); + } +# endif +#endif +#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) + else if (strcmp(*argv,"-jpake") == 0) + { + if (--argc < 1) goto bad; + jpake_secret = *(++argv); + } #endif else { @@ -1000,6 +1334,26 @@ bad: goto end; } +#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) + if (jpake_secret) + { + if (psk_key) + { + BIO_printf(bio_err, + "Can't use JPAKE and PSK together\n"); + goto end; + } + psk_identity = "JPAKE"; + if (cipher) + { + BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); + goto end; + } + cipher = "PSK"; + } + +#endif + SSL_load_error_strings(); OpenSSL_add_ssl_algorithms(); @@ -1060,6 +1414,21 @@ bad: goto end; } } +# ifndef OPENSSL_NO_NEXTPROTONEG + if (next_proto_neg_in) + { + unsigned short len; + next_proto.data = next_protos_parse(&len, + next_proto_neg_in); + if (next_proto.data == NULL) + goto end; + next_proto.len = len; + } + else + { + next_proto.data = NULL; + } +# endif #endif } @@ -1158,8 +1527,12 @@ bad: if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); - - SSL_CTX_sess_set_cache_size(ctx,128); + if (no_cache) + SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); + else if (ext_cache) + init_session_cache_ctx(ctx); + else + SSL_CTX_sess_set_cache_size(ctx,128); #if 0 if (cipher == NULL) cipher=getenv("SSL_CIPHER"); @@ -1180,8 +1553,8 @@ bad: ERR_print_errors(bio_err); /* goto end; */ } - store = SSL_CTX_get_cert_store(ctx); - X509_STORE_set_flags(store, vflags); + if (vpm) + SSL_CTX_set1_param(ctx, vpm); #ifndef OPENSSL_NO_TLSEXT if (s_cert2) @@ -1225,16 +1598,26 @@ bad: if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback); - SSL_CTX_sess_set_cache_size(ctx2,128); + if (no_cache) + SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF); + else if (ext_cache) + init_session_cache_ctx(ctx2); + else + 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); + if (vpm) + SSL_CTX_set1_param(ctx2, vpm); } + +# ifndef OPENSSL_NO_NEXTPROTONEG + if (next_proto.data) + SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto); +# endif #endif #ifndef OPENSSL_NO_DH @@ -1383,11 +1766,24 @@ bad: #endif #endif + if (no_resume_ephemeral) + { + SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb); +#ifndef OPENSSL_NO_TLSEXT + if (ctx2) + SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb); +#endif + } + #ifndef OPENSSL_NO_PSK +#ifdef OPENSSL_NO_JPAKE if (psk_key != NULL) +#else + if (psk_key != NULL || jpake_secret) +#endif { if (s_debug) - BIO_printf(bio_s_out, "PSK key given, setting server callback\n"); + BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n"); SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); } @@ -1420,6 +1816,10 @@ bad: SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context, sizeof s_server_session_id_context); + /* Set DTLS cookie generation and verification callbacks */ + SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); + SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); + #ifndef OPENSSL_NO_TLSEXT if (ctx2) { @@ -1435,6 +1835,23 @@ bad: } #endif +#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) + { + BIO_printf(bio_err, + "Cannot initialize SRP verifier file \"%s\":ret=%d\n", + srp_verifier_file,ret); + goto end; + } + SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback); + SSL_CTX_set_srp_cb_arg(ctx, &p); + SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); + } + else +#endif if (CAfile != NULL) { SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); @@ -1445,6 +1862,7 @@ bad: } BIO_printf(bio_s_out,"ACCEPT\n"); + (void)BIO_flush(bio_s_out); if (www) do_server(port,socket_type,&accept_socket,www_body, context); else @@ -1465,6 +1883,7 @@ end: OPENSSL_free(pass); if (dpass) OPENSSL_free(dpass); + free_sessions(); #ifndef OPENSSL_NO_TLSEXT if (ctx2 != NULL) SSL_CTX_free(ctx2); if (s_cert2) @@ -1515,8 +1934,11 @@ static int sv_body(char *hostname, int s, unsigned char *context) unsigned long l; SSL *con=NULL; BIO *sbio; + struct timeval timeout; #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) struct timeval tv; +#else + struct timeval *timeoutp; #endif if ((buf=OPENSSL_malloc(bufsize)) == NULL) @@ -1538,6 +1960,19 @@ static int sv_body(char *hostname, int s, unsigned char *context) if (con == NULL) { con=SSL_new(ctx); +#ifndef OPENSSL_NO_TLSEXT + if (s_tlsextdebug) + { + SSL_set_tlsext_debug_callback(con, tlsext_cb); + SSL_set_tlsext_debug_arg(con, bio_s_out); + } + if (s_tlsextstatus) + { + SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); + tlscstatp.err = bio_err; + SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); + } +#endif #ifndef OPENSSL_NO_KRB5 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) { @@ -1552,10 +1987,14 @@ static int sv_body(char *hostname, int s, unsigned char *context) strlen((char *)context)); } SSL_clear(con); +#if 0 +#ifdef TLSEXT_TYPE_opaque_prf_input + SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); +#endif +#endif if (SSL_version(con) == DTLS1_VERSION) { - struct timeval timeout; sbio=BIO_new_dgram(s,BIO_NOCLOSE); @@ -1570,10 +2009,10 @@ static int sv_body(char *hostname, int s, unsigned char *context) BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); } - if (socket_mtu > 0) + if (socket_mtu > 28) { SSL_set_options(con, SSL_OP_NO_QUERY_MTU); - SSL_set_mtu(con, socket_mtu); + SSL_set_mtu(con, socket_mtu - 28); } else /* want to do MTU discovery */ @@ -1592,6 +2031,11 @@ static int sv_body(char *hostname, int s, unsigned char *context) test=BIO_new(BIO_f_nbio_test()); sbio=BIO_push(test,sbio); } +#ifndef OPENSSL_NO_JPAKE + if(jpake_secret) + jpake_server_auth(bio_s_out, sbio, jpake_secret); +#endif + SSL_set_bio(con,sbio,sbio); SSL_set_accept_state(con); /* SSL_set_fd(con,s); */ @@ -1600,13 +2044,20 @@ static int sv_body(char *hostname, int s, unsigned char *context) { con->debug=1; BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); - BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out); + BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); } if (s_msg) { SSL_set_msg_callback(con, msg_cb); SSL_set_msg_callback_arg(con, bio_s_out); } +#ifndef OPENSSL_NO_TLSEXT + if (s_tlsextdebug) + { + SSL_set_tlsext_debug_callback(con, tlsext_cb); + SSL_set_tlsext_debug_arg(con, bio_s_out); + } +#endif width=s+1; for (;;) @@ -1654,7 +2105,19 @@ static int sv_body(char *hostname, int s, unsigned char *context) read_from_terminal = 1; (void)fcntl(fileno(stdin), F_SETFL, 0); #else - i=select(width,(void *)&readfds,NULL,NULL,NULL); + if ((SSL_version(con) == DTLS1_VERSION) && + DTLSv1_get_timeout(con, &timeout)) + timeoutp = &timeout; + else + timeoutp = NULL; + + i=select(width,(void *)&readfds,NULL,NULL,timeoutp); + + if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) + { + BIO_printf(bio_err,"TIMEOUT occured\n"); + } + if (i <= 0) continue; if (FD_ISSET(fileno(stdin),&readfds)) read_from_terminal = 1; @@ -1865,6 +2328,10 @@ static int init_ssl_connection(SSL *con) X509 *peer; long verify_error; MS_STATIC char buf[BUFSIZ]; +#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + const unsigned char *next_proto_neg; + unsigned next_proto_neg_len; +#endif if ((i=SSL_accept(con)) <= 0) { @@ -1904,6 +2371,15 @@ static int init_ssl_connection(SSL *con) BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf); str=SSL_CIPHER_get_name(SSL_get_current_cipher(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) + { + BIO_printf(bio_s_out,"NEXTPROTO is "); + BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); + BIO_printf(bio_s_out, "\n"); + } +#endif if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n"); if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) & TLS1_FLAGS_TLS_PADDING_BUG) @@ -1915,6 +2391,8 @@ static int init_ssl_connection(SSL *con) con->kssl_ctx->client_princ); } #endif /* OPENSSL_NO_KRB5 */ + BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", + SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); return(1); } @@ -1958,11 +2436,10 @@ static int www_body(char *hostname, int s, unsigned char *context) { char *buf=NULL; int ret=1; - int i,j,k,blank,dot; + int i,j,k,dot; SSL *con; - SSL_CIPHER *c; + const SSL_CIPHER *c; BIO *io,*ssl_bio,*sbio; - long total_bytes; buf=OPENSSL_malloc(bufsize); if (buf == NULL) return(0); @@ -1986,6 +2463,13 @@ static int www_body(char *hostname, int s, unsigned char *context) if (!BIO_set_write_buffer_size(io,bufsize)) goto err; if ((con=SSL_new(ctx)) == NULL) goto err; +#ifndef OPENSSL_NO_TLSEXT + if (s_tlsextdebug) + { + SSL_set_tlsext_debug_callback(con, tlsext_cb); + SSL_set_tlsext_debug_arg(con, bio_s_out); + } +#endif #ifndef OPENSSL_NO_KRB5 if ((con->kssl_ctx = kssl_ctx_new()) != NULL) { @@ -2006,7 +2490,6 @@ static int www_body(char *hostname, int s, unsigned char *context) } SSL_set_bio(con,sbio,sbio); SSL_set_accept_state(con); - /* SSL_set_fd(con,s); */ BIO_set_ssl(ssl_bio,con,BIO_CLOSE); BIO_push(io,ssl_bio); @@ -2018,7 +2501,7 @@ static int www_body(char *hostname, int s, unsigned char *context) { con->debug=1; BIO_set_callback(SSL_get_rbio(con),bio_dump_callback); - BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out); + BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out); } if (s_msg) { @@ -2026,7 +2509,6 @@ static int www_body(char *hostname, int s, unsigned char *context) SSL_set_msg_callback_arg(con, bio_s_out); } - blank=0; for (;;) { if (hack) @@ -2088,6 +2570,32 @@ static int www_body(char *hostname, int s, unsigned char *context) STACK_OF(SSL_CIPHER) *sk; static const char *space=" "; + if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) + { + if (strncmp("GET /renegcert", buf, 14) == 0) + SSL_set_verify(con, + SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL); + i=SSL_renegotiate(con); + BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i); + i=SSL_do_handshake(con); + if (i <= 0) + { + BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i)); + ERR_print_errors(bio_err); + goto err; + } + /* EVIL HACK! */ + con->state = SSL_ST_ACCEPT; + i=SSL_do_handshake(con); + BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i); + if (i <= 0) + { + BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i)); + ERR_print_errors(bio_err); + goto err; + } + } + BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); BIO_puts(io,"\n"); BIO_puts(io,"
\n");
@@ -2100,6 +2608,11 @@ static int www_body(char *hostname, int s, unsigned char *context)
 				}
 			BIO_puts(io,"\n");
 
+			BIO_printf(io,
+				"Secure Renegotiation IS%s supported\n",
+		      		SSL_get_secure_renegotiation_support(con) ?
+							"" : " NOT");
+
 			/* The following is evil and should not really
 			 * be done */
 			BIO_printf(io,"Ciphers supported in s_server binary\n");
@@ -2256,7 +2769,6 @@ static int www_body(char *hostname, int s, unsigned char *context)
                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
                                 }
 			/* send the file */
-			total_bytes=0;
 			for (;;)
 				{
 				i=BIO_read(file,buf,bufsize);
@@ -2386,3 +2898,115 @@ static int generate_session_id(const SSL *ssl, unsigned char *id,
 		return 0;
 	return 1;
 	}
+
+/* By default s_server uses an in-memory cache which caches SSL_SESSION
+ * structures without any serialisation. This hides some bugs which only
+ * become apparent in deployed servers. By implementing a basic external
+ * session cache some issues can be debugged using s_server.
+ */
+
+typedef struct simple_ssl_session_st
+	{
+	unsigned char *id;
+	int idlen;
+	unsigned char *der;
+	int derlen;
+	struct simple_ssl_session_st *next;
+	} simple_ssl_session;
+
+static simple_ssl_session *first = NULL;
+
+static int add_session(SSL *ssl, SSL_SESSION *session)
+	{
+	simple_ssl_session *sess;
+	unsigned char *p;
+
+	sess = OPENSSL_malloc(sizeof(simple_ssl_session));
+
+	sess->idlen = session->session_id_length;
+	sess->derlen = i2d_SSL_SESSION(session, NULL);
+
+	sess->id = BUF_memdup(session->session_id, sess->idlen);
+
+	sess->der = OPENSSL_malloc(sess->derlen);
+	p = sess->der;
+	i2d_SSL_SESSION(session, &p);
+
+	sess->next = first;
+	first = sess;
+	BIO_printf(bio_err, "New session added to external cache\n");
+	return 0;
+	}
+
+static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
+					int *do_copy)
+	{
+	simple_ssl_session *sess;
+	*do_copy = 0;
+	for (sess = first; sess; sess = sess->next)
+		{
+		if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
+			{
+			const unsigned char *p = sess->der;
+			BIO_printf(bio_err, "Lookup session: cache hit\n");
+			return d2i_SSL_SESSION(NULL, &p, sess->derlen);
+			}
+		}
+	BIO_printf(bio_err, "Lookup session: cache miss\n");
+	return NULL;
+	}
+
+static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
+	{
+	simple_ssl_session *sess, *prev = NULL;
+	unsigned char *id = session->session_id;
+	int idlen = session->session_id_length;
+	for (sess = first; sess; sess = sess->next)
+		{
+		if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
+			{
+			if(prev)
+				prev->next = sess->next;
+			else
+				first = sess->next;
+			OPENSSL_free(sess->id);
+			OPENSSL_free(sess->der);
+			OPENSSL_free(sess);
+			return;
+			}
+		prev = sess;
+		}
+	}
+
+static void init_session_cache_ctx(SSL_CTX *sctx)
+	{
+	SSL_CTX_set_session_cache_mode(sctx,
+			SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
+	SSL_CTX_sess_set_new_cb(sctx, add_session);
+        SSL_CTX_sess_set_get_cb(sctx, get_session);
+        SSL_CTX_sess_set_remove_cb(sctx, del_session);
+	}
+
+static void free_sessions(void)
+	{
+	simple_ssl_session *sess, *tsess;
+	for (sess = first; sess;)
+		{
+		OPENSSL_free(sess->id);
+		OPENSSL_free(sess->der);
+		tsess = sess;
+		sess = sess->next;
+		OPENSSL_free(tsess);
+		}
+	first = NULL;
+	}
+	
+
+
+
+
+
+
+	
+
+