X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fs3_clnt.c;h=09883eaa88c21af78f3a381ba55c458ac528a233;hp=1a2cb7cd104c375c030d2f01948eda7a91f0048b;hb=31f528b15de7bc2afbbdc592973a3a50da9b1629;hpb=259cdf2af9d729f41df09a5d938bc998fd9f5b5f diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c index 1a2cb7cd10..09883eaa88 100644 --- a/ssl/s3_clnt.c +++ b/ssl/s3_clnt.c @@ -56,7 +56,7 @@ * [including the GNU Public Licence.] */ /* ==================================================================== - * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. + * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -121,6 +121,32 @@ * Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories. * */ +/* ==================================================================== + * Copyright 2005 Nokia. All rights reserved. + * + * The portions of the attached software ("Contribution") is developed by + * Nokia Corporation and is licensed pursuant to the OpenSSL open source + * license. + * + * The Contribution, originally written by Mika Kousa and Pasi Eronen of + * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites + * support (see RFC 4279) to OpenSSL. + * + * No patent licenses or other rights except those expressly stated in + * the OpenSSL open source license shall be deemed granted or received + * expressly, by implication, estoppel, or otherwise. + * + * No assurances are provided by Nokia that the Contribution does not + * infringe the patent or other intellectual property rights of any third + * party or that the license provides you with all the necessary rights + * to make use of the Contribution. + * + * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN + * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA + * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY + * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR + * OTHERWISE. + */ #include #include "ssl_locl.h" @@ -130,27 +156,18 @@ #include #include #include -#include "cryptlib.h" +#ifndef OPENSSL_NO_DH +#include +#endif +#include -static SSL_METHOD *ssl3_get_client_method(int ver); -static int ssl3_client_hello(SSL *s); -static int ssl3_get_server_hello(SSL *s); -static int ssl3_get_certificate_request(SSL *s); +static const SSL_METHOD *ssl3_get_client_method(int ver); static int ca_dn_cmp(const X509_NAME * const *a,const X509_NAME * const *b); -static int ssl3_get_server_done(SSL *s); -static int ssl3_send_client_verify(SSL *s); -static int ssl3_send_client_certificate(SSL *s); -static int ssl3_send_client_key_exchange(SSL *s); -static int ssl3_get_key_exchange(SSL *s); -static int ssl3_get_server_certificate(SSL *s); -static int ssl3_check_cert_and_algorithm(SSL *s); - -#ifndef OPENSSL_NO_ECDH -static int curve_id2nid(int curve_id); -int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs); +#ifndef OPENSSL_NO_TLSEXT +static int ssl3_check_finished(SSL *s); #endif -static SSL_METHOD *ssl3_get_client_method(int ver) +static const SSL_METHOD *ssl3_get_client_method(int ver) { if (ver == SSL3_VERSION) return(SSLv3_client_method()); @@ -158,33 +175,15 @@ static SSL_METHOD *ssl3_get_client_method(int ver) return(NULL); } -SSL_METHOD *SSLv3_client_method(void) - { - static int init=1; - static SSL_METHOD SSLv3_client_data; - - if (init) - { - CRYPTO_w_lock(CRYPTO_LOCK_SSL_METHOD); - - if (init) - { - memcpy((char *)&SSLv3_client_data,(char *)sslv3_base_method(), - sizeof(SSL_METHOD)); - SSLv3_client_data.ssl_connect=ssl3_connect; - SSLv3_client_data.get_ssl_method=ssl3_get_client_method; - init=0; - } - - CRYPTO_w_unlock(CRYPTO_LOCK_SSL_METHOD); - } - return(&SSLv3_client_data); - } +IMPLEMENT_ssl3_meth_func(SSLv3_client_method, + ssl_undefined_function, + ssl3_connect, + ssl3_get_client_method) int ssl3_connect(SSL *s) { - BUF_MEM *buf; - unsigned long Time=time(NULL),l; + BUF_MEM *buf=NULL; + unsigned long Time=(unsigned long)time(NULL); long num1; void (*cb)(const SSL *ssl,int type,int val)=NULL; int ret= -1; @@ -244,6 +243,7 @@ int ssl3_connect(SSL *s) goto end; } s->init_buf=buf; + buf=NULL; } if (!ssl3_setup_buffers(s)) { ret= -1; goto end; } @@ -279,6 +279,7 @@ int ssl3_connect(SSL *s) case SSL3_ST_CR_SRVR_HELLO_B: ret=ssl3_get_server_hello(s); if (ret <= 0) goto end; + if (s->hit) s->state=SSL3_ST_CR_FINISHED_A; else @@ -288,15 +289,45 @@ int ssl3_connect(SSL *s) case SSL3_ST_CR_CERT_A: case SSL3_ST_CR_CERT_B: +#ifndef OPENSSL_NO_TLSEXT + ret=ssl3_check_finished(s); + if (ret <= 0) goto end; + if (ret == 2) + { + s->hit = 1; + if (s->tlsext_ticket_expected) + s->state=SSL3_ST_CR_SESSION_TICKET_A; + else + s->state=SSL3_ST_CR_FINISHED_A; + s->init_num=0; + break; + } +#endif /* Check if it is anon DH/ECDH */ - if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL)) + /* or PSK */ + if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) && + !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)) { ret=ssl3_get_server_certificate(s); if (ret <= 0) goto end; +#ifndef OPENSSL_NO_TLSEXT + if (s->tlsext_status_expected) + s->state=SSL3_ST_CR_CERT_STATUS_A; + else + s->state=SSL3_ST_CR_KEY_EXCH_A; + } + else + { + skip = 1; + s->state=SSL3_ST_CR_KEY_EXCH_A; + } +#else } else skip=1; + s->state=SSL3_ST_CR_KEY_EXCH_A; +#endif s->init_num=0; break; @@ -350,7 +381,6 @@ int ssl3_connect(SSL *s) case SSL3_ST_CW_KEY_EXCH_B: ret=ssl3_send_client_key_exchange(s); if (ret <= 0) goto end; - l=s->s3->tmp.new_cipher->algorithms; /* EAY EAY EAY need to check for DH fix cert * sent back */ /* For TLS, cert_req is set to 2, so a cert chain @@ -393,11 +423,15 @@ int ssl3_connect(SSL *s) s->init_num=0; s->session->cipher=s->s3->tmp.new_cipher; +#ifdef OPENSSL_NO_COMP + s->session->compress_meth=0; +#else if (s->s3->tmp.new_compression == NULL) s->session->compress_meth=0; else s->session->compress_meth= s->s3->tmp.new_compression->id; +#endif if (!s->method->ssl3_enc->setup_key_block(s)) { ret= -1; @@ -436,11 +470,36 @@ int ssl3_connect(SSL *s) } else { +#ifndef OPENSSL_NO_TLSEXT + /* Allow NewSessionTicket if ticket expected */ + if (s->tlsext_ticket_expected) + s->s3->tmp.next_state=SSL3_ST_CR_SESSION_TICKET_A; + else +#endif + s->s3->tmp.next_state=SSL3_ST_CR_FINISHED_A; } s->init_num=0; break; +#ifndef OPENSSL_NO_TLSEXT + case SSL3_ST_CR_SESSION_TICKET_A: + case SSL3_ST_CR_SESSION_TICKET_B: + ret=ssl3_get_new_session_ticket(s); + if (ret <= 0) goto end; + s->state=SSL3_ST_CR_FINISHED_A; + s->init_num=0; + break; + + case SSL3_ST_CR_CERT_STATUS_A: + case SSL3_ST_CR_CERT_STATUS_B: + ret=ssl3_get_cert_status(s); + if (ret <= 0) goto end; + s->state=SSL3_ST_CR_KEY_EXCH_A; + s->init_num=0; + break; +#endif + case SSL3_ST_CR_FINISHED_A: case SSL3_ST_CR_FINISHED_B: @@ -529,19 +588,24 @@ int ssl3_connect(SSL *s) } end: s->in_handshake--; + if (buf != NULL) + BUF_MEM_free(buf); if (cb != NULL) cb(s,SSL_CB_CONNECT_EXIT,ret); return(ret); } -static int ssl3_client_hello(SSL *s) +int ssl3_client_hello(SSL *s) { unsigned char *buf; unsigned char *p,*d; - int i,j; + int i; unsigned long Time,l; +#ifndef OPENSSL_NO_COMP + int j; SSL_COMP *comp; +#endif buf=(unsigned char *)s->init_buf->data; if (s->state == SSL3_ST_CW_CLNT_HELLO_A) @@ -556,9 +620,10 @@ static int ssl3_client_hello(SSL *s) /* else use the pre-loaded session */ p=s->s3->client_random; - Time=time(NULL); /* Time */ + Time=(unsigned long)time(NULL); /* Time */ l2n(Time,p); - RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-sizeof(Time)); + if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0) + goto err; /* Do the message type and length last */ d=p= &(buf[4]); @@ -579,7 +644,7 @@ static int ssl3_client_hello(SSL *s) *(p++)=i; if (i != 0) { - if (i > sizeof s->session->session_id) + if (i > (int)sizeof(s->session->session_id)) { SSLerr(SSL_F_SSL3_CLIENT_HELLO, ERR_R_INTERNAL_ERROR); goto err; @@ -589,7 +654,7 @@ static int ssl3_client_hello(SSL *s) } /* Ciphers supported */ - i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2])); + i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]),0); if (i == 0) { SSLerr(SSL_F_SSL3_CLIENT_HELLO,SSL_R_NO_CIPHERS_AVAILABLE); @@ -599,7 +664,12 @@ static int ssl3_client_hello(SSL *s) p+=i; /* COMPRESSION */ - if (s->ctx->comp_methods == NULL) +#ifdef OPENSSL_NO_COMP + *(p++)=1; +#else + + if ((s->options & SSL_OP_NO_COMPRESSION) + || !s->ctx->comp_methods) j=0; else j=sk_SSL_COMP_num(s->ctx->comp_methods); @@ -609,7 +679,22 @@ static int ssl3_client_hello(SSL *s) comp=sk_SSL_COMP_value(s->ctx->comp_methods,i); *(p++)=comp->id; } +#endif *(p++)=0; /* Add the NULL method */ + +#ifndef OPENSSL_NO_TLSEXT + /* TLS extensions*/ + if (ssl_prepare_clienthello_tlsext(s) <= 0) + { + SSLerr(SSL_F_SSL3_CLIENT_HELLO,SSL_R_CLIENTHELLO_TLSEXT); + goto err; + } + if ((p = ssl_add_clienthello_tlsext(s, p, buf+SSL3_RT_MAX_PLAIN_LENGTH)) == NULL) + { + SSLerr(SSL_F_SSL3_CLIENT_HELLO,ERR_R_INTERNAL_ERROR); + goto err; + } +#endif l=(p-d); d=buf; @@ -628,7 +713,7 @@ err: return(-1); } -static int ssl3_get_server_hello(SSL *s) +int ssl3_get_server_hello(SSL *s) { STACK_OF(SSL_CIPHER) *sk; SSL_CIPHER *c; @@ -636,16 +721,44 @@ static int ssl3_get_server_hello(SSL *s) int i,al,ok; unsigned int j; long n; +#ifndef OPENSSL_NO_COMP SSL_COMP *comp; +#endif - n=ssl3_get_message(s, + n=s->method->ssl_get_message(s, SSL3_ST_CR_SRVR_HELLO_A, SSL3_ST_CR_SRVR_HELLO_B, - SSL3_MT_SERVER_HELLO, - 300, /* ?? */ + -1, + 20000, /* ?? */ &ok); if (!ok) return((int)n); + + if ( SSL_version(s) == DTLS1_VERSION) + { + if ( s->s3->tmp.message_type == DTLS1_MT_HELLO_VERIFY_REQUEST) + { + if ( s->d1->send_cookie == 0) + { + s->s3->tmp.reuse_message = 1; + return 1; + } + else /* already sent a cookie */ + { + al=SSL_AD_UNEXPECTED_MESSAGE; + SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_BAD_MESSAGE_TYPE); + goto f_err; + } + } + } + + if ( s->s3->tmp.message_type != SSL3_MT_SERVER_HELLO) + { + al=SSL_AD_UNEXPECTED_MESSAGE; + SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_BAD_MESSAGE_TYPE); + goto f_err; + } + d=p=(unsigned char *)s->init_msg; if ((p[0] != (s->version>>8)) || (p[1] != (s->version&0xff))) @@ -671,6 +784,7 @@ static int ssl3_get_server_hello(SSL *s) SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SSL3_SESSION_ID_TOO_LONG); goto f_err; } + if (j != 0 && j == s->session->session_id_length && memcmp(p,s->session->session_id,j) == 0) { @@ -721,7 +835,12 @@ static int ssl3_get_server_hello(SSL *s) goto f_err; } - if (s->hit && (s->session->cipher != c)) + /* Depending on the session caching (internal/external), the cipher + and/or cipher_id values may not be set. Make sure that + cipher_id is set and use it for comparison. */ + if (s->session->cipher) + s->session->cipher_id = s->session->cipher->id; + if (s->hit && (s->session->cipher_id != c->id)) { if (!(s->options & SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG)) @@ -732,11 +851,20 @@ static int ssl3_get_server_hello(SSL *s) } } s->s3->tmp.new_cipher=c; + ssl3_digest_cached_records(s); /* lets get the compression algorithm */ /* COMPRESSION */ +#ifdef OPENSSL_NO_COMP + if (*(p++) != 0) + { + al=SSL_AD_ILLEGAL_PARAMETER; + SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM); + goto f_err; + } +#else j= *(p++); - if (j == 0) + if ((j == 0) || (s->options & SSL_OP_NO_COMPRESSION)) comp=NULL; else comp=ssl3_comp_find(s->ctx->comp_methods,j); @@ -751,6 +879,25 @@ static int ssl3_get_server_hello(SSL *s) { s->s3->tmp.new_compression=comp; } +#endif + +#ifndef OPENSSL_NO_TLSEXT + /* TLS extensions*/ + if (s->version > SSL3_VERSION) + { + if (!ssl_parse_serverhello_tlsext(s,&p,d,n, &al)) + { + /* 'al' set by ssl_parse_serverhello_tlsext */ + SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_PARSE_TLSEXT); + goto f_err; + } + if (ssl_check_serverhello_tlsext(s) <= 0) + { + SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SERVERHELLO_TLSEXT); + goto err; + } + } +#endif if (p != (d+n)) { @@ -767,18 +914,19 @@ err: return(-1); } -static int ssl3_get_server_certificate(SSL *s) +int ssl3_get_server_certificate(SSL *s) { int al,i,ok,ret= -1; unsigned long n,nc,llen,l; X509 *x=NULL; - unsigned char *p,*d,*q; + const unsigned char *q,*p; + unsigned char *d; STACK_OF(X509) *sk=NULL; SESS_CERT *sc; EVP_PKEY *pkey=NULL; - int need_cert = 1; /* VRS: 0=> will allow null cert if auth == KRB5 */ + int need_cert = 1; /* VRS: 0=> will allow null cert if auth == KRB5 */ - n=ssl3_get_message(s, + n=s->method->ssl_get_message(s, SSL3_ST_CR_CERT_A, SSL3_ST_CR_CERT_B, -1, @@ -799,7 +947,7 @@ static int ssl3_get_server_certificate(SSL *s) SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_BAD_MESSAGE_TYPE); goto f_err; } - d=p=(unsigned char *)s->init_msg; + p=d=(unsigned char *)s->init_msg; if ((sk=sk_X509_new_null()) == NULL) { @@ -851,10 +999,10 @@ static int ssl3_get_server_certificate(SSL *s) i=ssl_verify_cert_chain(s,sk); if ((s->verify_mode != SSL_VERIFY_NONE) && (!i) #ifndef OPENSSL_NO_KRB5 - && (s->s3->tmp.new_cipher->algorithms & (SSL_MKEY_MASK|SSL_AUTH_MASK)) - != (SSL_aKRB5|SSL_kKRB5) + && !((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kKRB5) && + (s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5)) #endif /* OPENSSL_NO_KRB5 */ - ) + ) { al=ssl_verify_alarm_type(s->verify_result); SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_CERTIFICATE_VERIFY_FAILED); @@ -877,16 +1025,16 @@ static int ssl3_get_server_certificate(SSL *s) pkey=X509_get_pubkey(x); - /* VRS: allow null cert if auth == KRB5 */ - need_cert = ((s->s3->tmp.new_cipher->algorithms - & (SSL_MKEY_MASK|SSL_AUTH_MASK)) - == (SSL_aKRB5|SSL_kKRB5))? 0: 1; + /* VRS: allow null cert if auth == KRB5 */ + need_cert = ((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kKRB5) && + (s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5)) + ? 0 : 1; #ifdef KSSL_DEBUG printf("pkey,x = %p, %p\n", pkey,x); printf("ssl_cert_type(x,pkey) = %d\n", ssl_cert_type(x,pkey)); - printf("cipher, alg, nc = %s, %lx, %d\n", s->s3->tmp.new_cipher->name, - s->s3->tmp.new_cipher->algorithms, need_cert); + printf("cipher, alg, nc = %s, %lx, %lx, %d\n", s->s3->tmp.new_cipher->name, + s->s3->tmp.new_cipher->algorithm_mkey, s->s3->tmp.new_cipher->algorithm_auth, need_cert); #endif /* KSSL_DEBUG */ if (need_cert && ((pkey == NULL) || EVP_PKEY_missing_parameters(pkey))) @@ -908,31 +1056,31 @@ static int ssl3_get_server_certificate(SSL *s) goto f_err; } - if (need_cert) - { - sc->peer_cert_type=i; - CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509); - /* Why would the following ever happen? - * We just created sc a couple of lines ago. */ - if (sc->peer_pkeys[i].x509 != NULL) - X509_free(sc->peer_pkeys[i].x509); - sc->peer_pkeys[i].x509=x; - sc->peer_key= &(sc->peer_pkeys[i]); - - if (s->session->peer != NULL) - X509_free(s->session->peer); - CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509); - s->session->peer=x; - } - else - { - sc->peer_cert_type=i; - sc->peer_key= NULL; - - if (s->session->peer != NULL) - X509_free(s->session->peer); - s->session->peer=NULL; - } + if (need_cert) + { + sc->peer_cert_type=i; + CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509); + /* Why would the following ever happen? + * We just created sc a couple of lines ago. */ + if (sc->peer_pkeys[i].x509 != NULL) + X509_free(sc->peer_pkeys[i].x509); + sc->peer_pkeys[i].x509=x; + sc->peer_key= &(sc->peer_pkeys[i]); + + if (s->session->peer != NULL) + X509_free(s->session->peer); + CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509); + s->session->peer=x; + } + else + { + sc->peer_cert_type=i; + sc->peer_key= NULL; + + if (s->session->peer != NULL) + X509_free(s->session->peer); + s->session->peer=NULL; + } s->session->verify_result = s->verify_result; x=NULL; @@ -950,7 +1098,7 @@ err: return(ret); } -static int ssl3_get_key_exchange(SSL *s) +int ssl3_get_key_exchange(SSL *s) { #ifndef OPENSSL_NO_RSA unsigned char *q,md_buf[EVP_MAX_MD_SIZE*2]; @@ -958,7 +1106,7 @@ static int ssl3_get_key_exchange(SSL *s) EVP_MD_CTX md_ctx; unsigned char *param,*p; int al,i,j,param_len,ok; - long n,alg; + long n,alg_k,alg_a; EVP_PKEY *pkey=NULL; #ifndef OPENSSL_NO_RSA RSA *rsa=NULL; @@ -976,23 +1124,34 @@ static int ssl3_get_key_exchange(SSL *s) /* use same message size as in ssl3_get_certificate_request() * as ServerKeyExchange message may be skipped */ - n=ssl3_get_message(s, + n=s->method->ssl_get_message(s, SSL3_ST_CR_KEY_EXCH_A, SSL3_ST_CR_KEY_EXCH_B, -1, s->max_cert_list, &ok); - if (!ok) return((int)n); if (s->s3->tmp.message_type != SSL3_MT_SERVER_KEY_EXCHANGE) { +#ifndef OPENSSL_NO_PSK + /* In plain PSK ciphersuite, ServerKeyExchange can be + omitted if no identity hint is sent. Set + session->sess_cert anyway to avoid problems + later.*/ + if (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK) + { + s->session->sess_cert=ssl_sess_cert_new(); + if (s->ctx->psk_identity_hint) + OPENSSL_free(s->ctx->psk_identity_hint); + s->ctx->psk_identity_hint = NULL; + } +#endif s->s3->tmp.reuse_message=1; return(1); } param=p=(unsigned char *)s->init_msg; - if (s->session->sess_cert != NULL) { #ifndef OPENSSL_NO_RSA @@ -1023,11 +1182,57 @@ static int ssl3_get_key_exchange(SSL *s) } param_len=0; - alg=s->s3->tmp.new_cipher->algorithms; + alg_k=s->s3->tmp.new_cipher->algorithm_mkey; + alg_a=s->s3->tmp.new_cipher->algorithm_auth; EVP_MD_CTX_init(&md_ctx); +#ifndef OPENSSL_NO_PSK + if (alg_k & SSL_kPSK) + { + char tmp_id_hint[PSK_MAX_IDENTITY_LEN+1]; + + al=SSL_AD_HANDSHAKE_FAILURE; + n2s(p,i); + param_len=i+2; + /* Store PSK identity hint for later use, hint is used + * in ssl3_send_client_key_exchange. Assume that the + * maximum length of a PSK identity hint can be as + * long as the maximum length of a PSK identity. */ + if (i > PSK_MAX_IDENTITY_LEN) + { + SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE, + SSL_R_DATA_LENGTH_TOO_LONG); + goto f_err; + } + if (param_len > n) + { + al=SSL_AD_DECODE_ERROR; + SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE, + SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH); + goto f_err; + } + /* If received PSK identity hint contains NULL + * characters, the hint is truncated from the first + * NULL. p may not be ending with NULL, so create a + * NULL-terminated string. */ + memcpy(tmp_id_hint, p, i); + memset(tmp_id_hint+i, 0, PSK_MAX_IDENTITY_LEN+1-i); + if (s->ctx->psk_identity_hint != NULL) + OPENSSL_free(s->ctx->psk_identity_hint); + s->ctx->psk_identity_hint = BUF_strdup(tmp_id_hint); + if (s->ctx->psk_identity_hint == NULL) + { + SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE); + goto f_err; + } + + p+=i; + n-=param_len; + } + else +#endif /* !OPENSSL_NO_PSK */ #ifndef OPENSSL_NO_RSA - if (alg & SSL_kRSA) + if (alg_k & SSL_kRSA) { if ((rsa=RSA_new()) == NULL) { @@ -1066,7 +1271,7 @@ static int ssl3_get_key_exchange(SSL *s) n-=param_len; /* this should be because we are using an export cipher */ - if (alg & SSL_aRSA) + if (alg_a & SSL_aRSA) pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509); else { @@ -1081,7 +1286,7 @@ static int ssl3_get_key_exchange(SSL *s) ; #endif #ifndef OPENSSL_NO_DH - else if (alg & SSL_kEDH) + else if (alg_k & SSL_kEDH) { if ((dh=DH_new()) == NULL) { @@ -1135,14 +1340,14 @@ static int ssl3_get_key_exchange(SSL *s) n-=param_len; #ifndef OPENSSL_NO_RSA - if (alg & SSL_aRSA) + if (alg_a & SSL_aRSA) pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509); #else if (0) ; #endif #ifndef OPENSSL_NO_DSA - else if (alg & SSL_aDSS) + else if (alg_a & SSL_aDSS) pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_DSA_SIGN].x509); #endif /* else anonymous DH, so no certificate or pkey. */ @@ -1150,7 +1355,7 @@ static int ssl3_get_key_exchange(SSL *s) s->session->sess_cert->peer_dh_tmp=dh; dh=NULL; } - else if ((alg & SSL_kDHr) || (alg & SSL_kDHd)) + else if ((alg_k & SSL_kDHr) || (alg_k & SSL_kDHd)) { al=SSL_AD_ILLEGAL_PARAMETER; SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER); @@ -1159,8 +1364,11 @@ static int ssl3_get_key_exchange(SSL *s) #endif /* !OPENSSL_NO_DH */ #ifndef OPENSSL_NO_ECDH - else if (alg & SSL_kECDHE) + else if (alg_k & SSL_kEECDH) { + EC_GROUP *ngroup; + const EC_GROUP *group; + if ((ecdh=EC_KEY_new()) == NULL) { SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE); @@ -1174,36 +1382,45 @@ static int ssl3_get_key_exchange(SSL *s) */ /* XXX: For now we only support named (not generic) curves - * and the ECParameters in this case is just two bytes. + * and the ECParameters in this case is just three bytes. */ - param_len=2; + param_len=3; if ((param_len > n) || (*p != NAMED_CURVE_TYPE) || - ((curve_nid = curve_id2nid(*(p + 1))) == 0)) + ((curve_nid = tls1_ec_curve_id2nid(*(p + 2))) == 0)) { al=SSL_AD_INTERNAL_ERROR; SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS); goto f_err; } - if (!(ecdh->group=EC_GROUP_new_by_nid(curve_nid))) + ngroup = EC_GROUP_new_by_curve_name(curve_nid); + if (ngroup == NULL) + { + SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_EC_LIB); + goto err; + } + if (EC_KEY_set_group(ecdh, ngroup) == 0) { SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_EC_LIB); goto err; } + EC_GROUP_free(ngroup); + + group = EC_KEY_get0_group(ecdh); if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) && - (EC_GROUP_get_degree(ecdh->group) > 163)) + (EC_GROUP_get_degree(group) > 163)) { al=SSL_AD_EXPORT_RESTRICTION; SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER); goto f_err; } - p+=2; + p+=3; /* Next, get the encoded ECPoint */ - if (((srvr_ecpoint = EC_POINT_new(ecdh->group)) == NULL) || + if (((srvr_ecpoint = EC_POINT_new(group)) == NULL) || ((bn_ctx = BN_CTX_new()) == NULL)) { SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE); @@ -1214,7 +1431,7 @@ static int ssl3_get_key_exchange(SSL *s) p+=1; param_len += (1 + encoded_pt_len); if ((param_len > n) || - (EC_POINT_oct2point(ecdh->group, srvr_ecpoint, + (EC_POINT_oct2point(group, srvr_ecpoint, p, encoded_pt_len, bn_ctx) == 0)) { al=SSL_AD_DECODE_ERROR; @@ -1231,33 +1448,28 @@ static int ssl3_get_key_exchange(SSL *s) */ if (0) ; #ifndef OPENSSL_NO_RSA - else if (alg & SSL_aRSA) + else if (alg_a & SSL_aRSA) pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509); #endif #ifndef OPENSSL_NO_ECDSA - else if (alg & SSL_aECDSA) + else if (alg_a & SSL_aECDSA) pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_ECC].x509); #endif /* else anonymous ECDH, so no certificate or pkey. */ - ecdh->pub_key = srvr_ecpoint; + EC_KEY_set_public_key(ecdh, srvr_ecpoint); s->session->sess_cert->peer_ecdh_tmp=ecdh; ecdh=NULL; BN_CTX_free(bn_ctx); + EC_POINT_free(srvr_ecpoint); srvr_ecpoint = NULL; } - else if (alg & SSL_kECDH) + else if (alg_k) { al=SSL_AD_UNEXPECTED_MESSAGE; SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_UNEXPECTED_MESSAGE); goto f_err; } #endif /* !OPENSSL_NO_ECDH */ - if (alg & SSL_aFZA) - { - al=SSL_AD_HANDSHAKE_FAILURE; - SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER); - goto f_err; - } /* p points to the next byte, there are 'n' bytes left */ @@ -1356,12 +1568,13 @@ static int ssl3_get_key_exchange(SSL *s) } else { - /* still data left over */ - if (!(alg & SSL_aNULL)) + if (!(alg_a & SSL_aNULL) && !(alg_k & SSL_kPSK)) + /* aNULL or kPSK do not need public keys */ { SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR); goto err; } + /* still data left over */ if (n != 0) { al=SSL_AD_DECODE_ERROR; @@ -1394,16 +1607,17 @@ err: return(-1); } -static int ssl3_get_certificate_request(SSL *s) +int ssl3_get_certificate_request(SSL *s) { int ok,ret=0; unsigned long n,nc,l; unsigned int llen,ctype_num,i; X509_NAME *xn=NULL; - unsigned char *p,*d,*q; + const unsigned char *p,*q; + unsigned char *d; STACK_OF(X509_NAME) *ca_sk=NULL; - n=ssl3_get_message(s, + n=s->method->ssl_get_message(s, SSL3_ST_CR_CERT_REQ_A, SSL3_ST_CR_CERT_REQ_B, -1, @@ -1430,8 +1644,7 @@ static int ssl3_get_certificate_request(SSL *s) /* TLS does not like anon-DH with client cert */ if (s->version > SSL3_VERSION) { - l=s->s3->tmp.new_cipher->algorithms; - if (l & SSL_aNULL) + if (s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) { ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE); SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST,SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER); @@ -1439,7 +1652,7 @@ static int ssl3_get_certificate_request(SSL *s) } } - d=p=(unsigned char *)s->init_msg; + p=d=(unsigned char *)s->init_msg; if ((ca_sk=sk_X509_NAME_new(ca_dn_cmp)) == NULL) { @@ -1540,13 +1753,150 @@ static int ca_dn_cmp(const X509_NAME * const *a, const X509_NAME * const *b) { return(X509_NAME_cmp(*a,*b)); } +#ifndef OPENSSL_NO_TLSEXT +int ssl3_get_new_session_ticket(SSL *s) + { + int ok,al,ret=0, ticklen; + long n; + const unsigned char *p; + unsigned char *d; + + n=s->method->ssl_get_message(s, + SSL3_ST_CR_SESSION_TICKET_A, + SSL3_ST_CR_SESSION_TICKET_B, + -1, + 16384, + &ok); + + if (!ok) + return((int)n); + + if (s->s3->tmp.message_type == SSL3_MT_FINISHED) + { + s->s3->tmp.reuse_message=1; + return(1); + } + if (s->s3->tmp.message_type != SSL3_MT_NEWSESSION_TICKET) + { + al=SSL_AD_UNEXPECTED_MESSAGE; + SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,SSL_R_BAD_MESSAGE_TYPE); + goto f_err; + } + if (n < 6) + { + /* need at least ticket_lifetime_hint + ticket length */ + al = SSL3_AL_FATAL,SSL_AD_DECODE_ERROR; + SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,SSL_R_LENGTH_MISMATCH); + goto f_err; + } + p=d=(unsigned char *)s->init_msg; + n2l(p, s->session->tlsext_tick_lifetime_hint); + n2s(p, ticklen); + /* ticket_lifetime_hint + ticket_length + ticket */ + if (ticklen + 6 != n) + { + al = SSL3_AL_FATAL,SSL_AD_DECODE_ERROR; + SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,SSL_R_LENGTH_MISMATCH); + goto f_err; + } + if (s->session->tlsext_tick) + { + OPENSSL_free(s->session->tlsext_tick); + s->session->tlsext_ticklen = 0; + } + s->session->tlsext_tick = OPENSSL_malloc(ticklen); + if (!s->session->tlsext_tick) + { + SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,ERR_R_MALLOC_FAILURE); + goto err; + } + memcpy(s->session->tlsext_tick, p, ticklen); + s->session->tlsext_ticklen = ticklen; + + ret=1; + return(ret); +f_err: + ssl3_send_alert(s,SSL3_AL_FATAL,al); +err: + return(-1); + } -static int ssl3_get_server_done(SSL *s) +int ssl3_get_cert_status(SSL *s) + { + int ok, al; + unsigned long resplen; + long n; + const unsigned char *p; + + n=s->method->ssl_get_message(s, + SSL3_ST_CR_CERT_STATUS_A, + SSL3_ST_CR_CERT_STATUS_B, + SSL3_MT_CERTIFICATE_STATUS, + 16384, + &ok); + + if (!ok) return((int)n); + if (n < 4) + { + /* need at least status type + length */ + al = SSL_AD_DECODE_ERROR; + SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_LENGTH_MISMATCH); + goto f_err; + } + p = (unsigned char *)s->init_msg; + if (*p++ != TLSEXT_STATUSTYPE_ocsp) + { + al = SSL_AD_DECODE_ERROR; + SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_UNSUPPORTED_STATUS_TYPE); + goto f_err; + } + n2l3(p, resplen); + if (resplen + 4 != n) + { + al = SSL_AD_DECODE_ERROR; + SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_LENGTH_MISMATCH); + goto f_err; + } + if (s->tlsext_ocsp_resp) + OPENSSL_free(s->tlsext_ocsp_resp); + s->tlsext_ocsp_resp = BUF_memdup(p, resplen); + if (!s->tlsext_ocsp_resp) + { + al = SSL_AD_INTERNAL_ERROR; + SSLerr(SSL_F_SSL3_GET_CERT_STATUS,ERR_R_MALLOC_FAILURE); + goto f_err; + } + s->tlsext_ocsp_resplen = resplen; + if (s->ctx->tlsext_status_cb) + { + int ret; + ret = s->ctx->tlsext_status_cb(s, s->ctx->tlsext_status_arg); + if (ret == 0) + { + al = SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE; + SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_INVALID_STATUS_RESPONSE); + goto f_err; + } + if (ret < 0) + { + al = SSL_AD_INTERNAL_ERROR; + SSLerr(SSL_F_SSL3_GET_CERT_STATUS,ERR_R_MALLOC_FAILURE); + goto f_err; + } + } + return 1; +f_err: + ssl3_send_alert(s,SSL3_AL_FATAL,al); + return(-1); + } +#endif + +int ssl3_get_server_done(SSL *s) { int ok,ret=0; long n; - n=ssl3_get_message(s, + n=s->method->ssl_get_message(s, SSL3_ST_CR_SRVR_DONE_A, SSL3_ST_CR_SRVR_DONE_B, SSL3_MT_SERVER_DONE, @@ -1565,21 +1915,22 @@ static int ssl3_get_server_done(SSL *s) return(ret); } -static int ssl3_send_client_key_exchange(SSL *s) + +int ssl3_send_client_key_exchange(SSL *s) { unsigned char *p,*d; int n; - unsigned long l; + unsigned long alg_k; #ifndef OPENSSL_NO_RSA unsigned char *q; EVP_PKEY *pkey=NULL; #endif #ifndef OPENSSL_NO_KRB5 - KSSL_ERR kssl_err; + KSSL_ERR kssl_err; #endif /* OPENSSL_NO_KRB5 */ #ifndef OPENSSL_NO_ECDH EC_KEY *clnt_ecdh = NULL; - EC_POINT *srvr_ecpoint = NULL; + const EC_POINT *srvr_ecpoint = NULL; EVP_PKEY *srvr_pub_pkey = NULL; unsigned char *encodedPoint = NULL; int encoded_pt_len = 0; @@ -1591,12 +1942,12 @@ static int ssl3_send_client_key_exchange(SSL *s) d=(unsigned char *)s->init_buf->data; p= &(d[4]); - l=s->s3->tmp.new_cipher->algorithms; + alg_k=s->s3->tmp.new_cipher->algorithm_mkey; - /* Fool emacs indentation */ - if (0) {} + /* Fool emacs indentation */ + if (0) {} #ifndef OPENSSL_NO_RSA - else if (l & SSL_kRSA) + else if (alg_k & SSL_kRSA) { RSA *rsa; unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH]; @@ -1619,16 +1970,16 @@ static int ssl3_send_client_key_exchange(SSL *s) tmp_buf[0]=s->client_version>>8; tmp_buf[1]=s->client_version&0xff; - if (RAND_bytes(&(tmp_buf[2]),SSL_MAX_MASTER_KEY_LENGTH-2) <= 0) + if (RAND_bytes(&(tmp_buf[2]),sizeof tmp_buf-2) <= 0) goto err; - s->session->master_key_length=SSL_MAX_MASTER_KEY_LENGTH; + s->session->master_key_length=sizeof tmp_buf; q=p; /* Fix buf for TLS and beyond */ if (s->version > SSL3_VERSION) p+=2; - n=RSA_public_encrypt(SSL_MAX_MASTER_KEY_LENGTH, + n=RSA_public_encrypt(sizeof tmp_buf, tmp_buf,p,rsa,RSA_PKCS1_PADDING); #ifdef PKCS1_CHECK if (s->options & SSL_OP_PKCS1_CHECK_1) p[1]++; @@ -1650,18 +2001,18 @@ static int ssl3_send_client_key_exchange(SSL *s) s->session->master_key_length= s->method->ssl3_enc->generate_master_secret(s, s->session->master_key, - tmp_buf,SSL_MAX_MASTER_KEY_LENGTH); - memset(tmp_buf,0,SSL_MAX_MASTER_KEY_LENGTH); + tmp_buf,sizeof tmp_buf); + OPENSSL_cleanse(tmp_buf,sizeof tmp_buf); } #endif #ifndef OPENSSL_NO_KRB5 - else if (l & SSL_kKRB5) - { - krb5_error_code krb5rc; - KSSL_CTX *kssl_ctx = s->kssl_ctx; - /* krb5_data krb5_ap_req; */ - krb5_data *enc_ticket; - krb5_data authenticator, *authp = NULL; + else if (alg_k & SSL_kKRB5) + { + krb5_error_code krb5rc; + KSSL_CTX *kssl_ctx = s->kssl_ctx; + /* krb5_data krb5_ap_req; */ + krb5_data *enc_ticket; + krb5_data authenticator, *authp = NULL; EVP_CIPHER_CTX ciph_ctx; EVP_CIPHER *enc = NULL; unsigned char iv[EVP_MAX_IV_LENGTH]; @@ -1673,8 +2024,8 @@ static int ssl3_send_client_key_exchange(SSL *s) EVP_CIPHER_CTX_init(&ciph_ctx); #ifdef KSSL_DEBUG - printf("ssl3_send_client_key_exchange(%lx & %lx)\n", - l, SSL_kKRB5); + printf("ssl3_send_client_key_exchange(%lx & %lx)\n", + alg_k, SSL_kKRB5); #endif /* KSSL_DEBUG */ authp = NULL; @@ -1682,37 +2033,37 @@ static int ssl3_send_client_key_exchange(SSL *s) if (KRB5SENDAUTH) authp = &authenticator; #endif /* KRB5SENDAUTH */ - krb5rc = kssl_cget_tkt(kssl_ctx, &enc_ticket, authp, + krb5rc = kssl_cget_tkt(kssl_ctx, &enc_ticket, authp, &kssl_err); enc = kssl_map_enc(kssl_ctx->enctype); - if (enc == NULL) - goto err; + if (enc == NULL) + goto err; #ifdef KSSL_DEBUG - { - printf("kssl_cget_tkt rtn %d\n", krb5rc); - if (krb5rc && kssl_err.text) + { + printf("kssl_cget_tkt rtn %d\n", krb5rc); + if (krb5rc && kssl_err.text) printf("kssl_cget_tkt kssl_err=%s\n", kssl_err.text); - } + } #endif /* KSSL_DEBUG */ - if (krb5rc) - { - ssl3_send_alert(s,SSL3_AL_FATAL, + if (krb5rc) + { + ssl3_send_alert(s,SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE); - SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, kssl_err.reason); - goto err; - } + goto err; + } /* 20010406 VRS - Earlier versions used KRB5 AP_REQ ** in place of RFC 2712 KerberosWrapper, as in: ** - ** Send ticket (copy to *p, set n = length) - ** n = krb5_ap_req.length; - ** memcpy(p, krb5_ap_req.data, krb5_ap_req.length); - ** if (krb5_ap_req.data) - ** kssl_krb5_free_data_contents(NULL,&krb5_ap_req); - ** + ** Send ticket (copy to *p, set n = length) + ** n = krb5_ap_req.length; + ** memcpy(p, krb5_ap_req.data, krb5_ap_req.length); + ** if (krb5_ap_req.data) + ** kssl_krb5_free_data_contents(NULL,&krb5_ap_req); + ** ** Now using real RFC 2712 KerberosWrapper ** (Thanks to Simon Wilkinson ) ** Note: 2712 "opaque" types are here replaced @@ -1747,8 +2098,10 @@ static int ssl3_send_client_key_exchange(SSL *s) n+=2; } - if (RAND_bytes(tmp_buf,SSL_MAX_MASTER_KEY_LENGTH) <= 0) - goto err; + tmp_buf[0]=s->client_version>>8; + tmp_buf[1]=s->client_version&0xff; + if (RAND_bytes(&(tmp_buf[2]),sizeof tmp_buf-2) <= 0) + goto err; /* 20010420 VRS. Tried it this way; failed. ** EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,NULL); @@ -1757,11 +2110,11 @@ static int ssl3_send_client_key_exchange(SSL *s) ** EVP_EncryptInit_ex(&ciph_ctx,NULL, key,iv); */ - memset(iv, 0, EVP_MAX_IV_LENGTH); /* per RFC 1510 */ + memset(iv, 0, sizeof iv); /* per RFC 1510 */ EVP_EncryptInit_ex(&ciph_ctx,enc, NULL, kssl_ctx->key,iv); EVP_EncryptUpdate(&ciph_ctx,epms,&outl,tmp_buf, - SSL_MAX_MASTER_KEY_LENGTH); + sizeof tmp_buf); EVP_EncryptFinal_ex(&ciph_ctx,&(epms[outl]),&padl); outl += padl; if (outl > sizeof epms) @@ -1777,17 +2130,17 @@ static int ssl3_send_client_key_exchange(SSL *s) p+=outl; n+=outl + 2; - s->session->master_key_length= - s->method->ssl3_enc->generate_master_secret(s, + s->session->master_key_length= + s->method->ssl3_enc->generate_master_secret(s, s->session->master_key, - tmp_buf, SSL_MAX_MASTER_KEY_LENGTH); + tmp_buf, sizeof tmp_buf); - memset(tmp_buf, 0, SSL_MAX_MASTER_KEY_LENGTH); - memset(epms, 0, outl); - } + OPENSSL_cleanse(tmp_buf, sizeof tmp_buf); + OPENSSL_cleanse(epms, outl); + } #endif #ifndef OPENSSL_NO_DH - else if (l & (SSL_kEDH|SSL_kDHr|SSL_kDHd)) + else if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd)) { DH *dh_srvr,*dh_clnt; @@ -1844,17 +2197,19 @@ static int ssl3_send_client_key_exchange(SSL *s) #endif #ifndef OPENSSL_NO_ECDH - else if ((l & SSL_kECDH) || (l & SSL_kECDHE)) + else if (alg_k & (SSL_kEECDH|SSL_kECDHr|SSL_kECDHe)) { - EC_GROUP *srvr_group = NULL; + const EC_GROUP *srvr_group = NULL; + EC_KEY *tkey; int ecdh_clnt_cert = 0; + int field_size = 0; /* Did we send out the client's * ECDH share for use in premaster * computation as part of client certificate? * If so, set ecdh_clnt_cert to 1. */ - if ((l & SSL_kECDH) && (s->cert != NULL)) + if ((alg_k & (SSL_kECDHr|SSL_kECDHe)) && (s->cert != NULL)) { /* XXX: For now, we do not support client * authentication using ECDH certificates. @@ -1879,10 +2234,7 @@ static int ssl3_send_client_key_exchange(SSL *s) if (s->session->sess_cert->peer_ecdh_tmp != NULL) { - srvr_group = s->session->sess_cert-> \ - peer_ecdh_tmp->group; - srvr_ecpoint = s->session->sess_cert-> \ - peer_ecdh_tmp->pub_key; + tkey = s->session->sess_cert->peer_ecdh_tmp; } else { @@ -1891,18 +2243,19 @@ static int ssl3_send_client_key_exchange(SSL *s) sess_cert->peer_pkeys[SSL_PKEY_ECC].x509); if ((srvr_pub_pkey == NULL) || (srvr_pub_pkey->type != EVP_PKEY_EC) || - (srvr_pub_pkey->pkey.eckey == NULL)) + (srvr_pub_pkey->pkey.ec == NULL)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } - srvr_group = srvr_pub_pkey->pkey.eckey->group; - srvr_ecpoint = - srvr_pub_pkey->pkey.eckey->pub_key; + tkey = srvr_pub_pkey->pkey.ec; } + srvr_group = EC_KEY_get0_group(tkey); + srvr_ecpoint = EC_KEY_get0_public_key(tkey); + if ((srvr_group == NULL) || (srvr_ecpoint == NULL)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, @@ -1916,15 +2269,30 @@ static int ssl3_send_client_key_exchange(SSL *s) goto err; } - clnt_ecdh->group = srvr_group; + if (!EC_KEY_set_group(clnt_ecdh, srvr_group)) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_EC_LIB); + goto err; + } if (ecdh_clnt_cert) { - /* Reuse key info from our certificate + /* Reuse key info from our certificate * We only need our private key to perform * the ECDH computation. */ - clnt_ecdh->priv_key = BN_dup(s->cert->key-> \ - privatekey->pkey.eckey->priv_key); + const BIGNUM *priv_key; + tkey = s->cert->key->privatekey->pkey.ec; + priv_key = EC_KEY_get0_private_key(tkey); + if (priv_key == NULL) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE); + goto err; + } + if (!EC_KEY_set_private_key(clnt_ecdh, priv_key)) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_EC_LIB); + goto err; + } } else { @@ -1936,25 +2304,32 @@ static int ssl3_send_client_key_exchange(SSL *s) } } - /* use the 'p' output buffer for the ECDH key, but - * make sure to clear it out afterwards + /* use the 'p' output buffer for the ECDH key, but + * make sure to clear it out afterwards */ - n=ECDH_compute_key(p, srvr_ecpoint, clnt_ecdh); + field_size = EC_GROUP_get_degree(srvr_group); + if (field_size <= 0) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + ERR_R_ECDH_LIB); + goto err; + } + n=ECDH_compute_key(p, (field_size+7)/8, srvr_ecpoint, clnt_ecdh, NULL); if (n <= 0) - { - SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_ECDH_LIB); - goto err; + goto err; } - /* generate master key from the result */ - s->session->master_key_length = s->method->ssl3_enc \ + /* generate master key from the result */ + s->session->master_key_length = s->method->ssl3_enc \ -> generate_master_secret(s, s->session->master_key, p, n); - memset(p, 0, n); /* clean up */ + memset(p, 0, n); /* clean up */ if (ecdh_clnt_cert) { @@ -1967,8 +2342,8 @@ static int ssl3_send_client_key_exchange(SSL *s) * allocate memory accordingly. */ encoded_pt_len = - EC_POINT_point2oct(clnt_ecdh->group, - clnt_ecdh->pub_key, + EC_POINT_point2oct(srvr_group, + EC_KEY_get0_public_key(clnt_ecdh), POINT_CONVERSION_UNCOMPRESSED, NULL, 0, NULL); @@ -1984,13 +2359,13 @@ static int ssl3_send_client_key_exchange(SSL *s) } /* Encode the public key */ - n = EC_POINT_point2oct(clnt_ecdh->group, - clnt_ecdh->pub_key, + n = EC_POINT_point2oct(srvr_group, + EC_KEY_get0_public_key(clnt_ecdh), POINT_CONVERSION_UNCOMPRESSED, encodedPoint, encoded_pt_len, bn_ctx); *p = n; /* length of encoded point */ - /* Encoded point will be copied here */ + /* Encoded point will be copied here */ p += 1; /* copy the point */ memcpy((unsigned char *)p, encodedPoint, n); @@ -2002,14 +2377,170 @@ static int ssl3_send_client_key_exchange(SSL *s) BN_CTX_free(bn_ctx); if (encodedPoint != NULL) OPENSSL_free(encodedPoint); if (clnt_ecdh != NULL) - { - /* group is shared */ - clnt_ecdh->group = NULL; EC_KEY_free(clnt_ecdh); - } EVP_PKEY_free(srvr_pub_pkey); } #endif /* !OPENSSL_NO_ECDH */ + else if (alg_k & SSL_kGOST) + { + /* GOST key exchange message creation */ + EVP_PKEY_CTX *pkey_ctx; + X509 *peer_cert; + size_t msglen; + unsigned int md_len; + int keytype; + unsigned char premaster_secret[32],shared_ukm[32]; + EVP_MD_CTX *ukm_hash; + EVP_PKEY *pub_key; + + /* Get server sertificate PKEY and create ctx from it */ + peer_cert=s->session->sess_cert->peer_pkeys[(keytype=SSL_PKEY_GOST01)].x509; + if (!peer_cert) + peer_cert=s->session->sess_cert->peer_pkeys[(keytype=SSL_PKEY_GOST94)].x509; + if (!peer_cert) { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER); + goto err; + } + + pkey_ctx=EVP_PKEY_CTX_new(pub_key=X509_get_pubkey(peer_cert),NULL); + /* If we have send a certificate, and certificate key + + * parameters match those of server certificate, use + * certificate key for key exchange + */ + + /* Otherwise, generate ephemeral key pair */ + + EVP_PKEY_encrypt_init(pkey_ctx); + /* Generate session key */ + RAND_bytes(premaster_secret,32); + /* If we have client certificate, use its secret as peer key */ + if (s->cert->key->privatekey) { + if (EVP_PKEY_derive_set_peer(pkey_ctx,s->cert->key->privatekey) <0) { + /* If there was an error - just ignore it. Ephemeral key + * would be used + */ + ERR_clear_error(); + } else { + /* Set flag "client cert key is used for key + * exchange"*/ + } + } + /* Compute shared IV and store it in algorithm-specific + * context data */ + ukm_hash = EVP_MD_CTX_create(); + EVP_DigestInit(ukm_hash,EVP_get_digestbynid(NID_id_GostR3411_94)); + EVP_DigestUpdate(ukm_hash,s->s3->client_random,SSL3_RANDOM_SIZE); + EVP_DigestUpdate(ukm_hash,s->s3->server_random,SSL3_RANDOM_SIZE); + EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len); + EVP_MD_CTX_destroy(ukm_hash); + if (EVP_PKEY_CTX_ctrl(pkey_ctx,-1,EVP_PKEY_OP_ENCRYPT,EVP_PKEY_CTRL_SET_IV, + 8,shared_ukm)<0) { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + SSL_R_LIBRARY_BUG); + goto err; + } + /* Make GOST keytransport blob message */ + /*Encapsulate it into sequence */ + *(p++)=V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED; + *(p++)=0x81; + msglen=256; + if (EVP_PKEY_encrypt(pkey_ctx,(unsigned char *)p+1,&msglen,premaster_secret,32)<0) { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + SSL_R_LIBRARY_BUG); + goto err; + } + *(p++)= msglen & 0xff; + n=msglen+3; + EVP_PKEY_CTX_free(pkey_ctx); + s->session->master_key_length= + s->method->ssl3_enc->generate_master_secret(s, + s->session->master_key,premaster_secret,32); + EVP_PKEY_free(pub_key); + + } +#ifndef OPENSSL_NO_PSK + else if (alg_k & SSL_kPSK) + { + char identity[PSK_MAX_IDENTITY_LEN]; + unsigned char *t = NULL; + unsigned char psk_or_pre_ms[PSK_MAX_PSK_LEN*2+4]; + unsigned int pre_ms_len = 0, psk_len = 0; + int psk_err = 1; + + n = 0; + if (s->psk_client_callback == NULL) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + SSL_R_PSK_NO_CLIENT_CB); + goto err; + } + + psk_len = s->psk_client_callback(s, s->ctx->psk_identity_hint, + identity, PSK_MAX_IDENTITY_LEN, + psk_or_pre_ms, sizeof(psk_or_pre_ms)); + if (psk_len > PSK_MAX_PSK_LEN) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + ERR_R_INTERNAL_ERROR); + goto psk_err; + } + else if (psk_len == 0) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + SSL_R_PSK_IDENTITY_NOT_FOUND); + goto psk_err; + } + + /* create PSK pre_master_secret */ + pre_ms_len = 2+psk_len+2+psk_len; + t = psk_or_pre_ms; + memmove(psk_or_pre_ms+psk_len+4, psk_or_pre_ms, psk_len); + s2n(psk_len, t); + memset(t, 0, psk_len); + t+=psk_len; + s2n(psk_len, t); + + if (s->session->psk_identity_hint != NULL) + OPENSSL_free(s->session->psk_identity_hint); + s->session->psk_identity_hint = BUF_strdup(s->ctx->psk_identity_hint); + if (s->ctx->psk_identity_hint != NULL && + s->session->psk_identity_hint == NULL) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + ERR_R_MALLOC_FAILURE); + goto psk_err; + } + + if (s->session->psk_identity != NULL) + OPENSSL_free(s->session->psk_identity); + s->session->psk_identity = BUF_strdup(identity); + if (s->session->psk_identity == NULL) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + ERR_R_MALLOC_FAILURE); + goto psk_err; + } + + s->session->master_key_length = + s->method->ssl3_enc->generate_master_secret(s, + s->session->master_key, + psk_or_pre_ms, pre_ms_len); + n = strlen(identity); + s2n(n, p); + memcpy(p, identity, n); + n+=2; + psk_err = 0; + psk_err: + OPENSSL_cleanse(identity, PSK_MAX_IDENTITY_LEN); + OPENSSL_cleanse(psk_or_pre_ms, sizeof(psk_or_pre_ms)); + if (psk_err != 0) + { + ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE); + goto err; + } + } +#endif else { ssl3_send_alert(s, SSL3_AL_FATAL, @@ -2035,26 +2566,23 @@ err: BN_CTX_free(bn_ctx); if (encodedPoint != NULL) OPENSSL_free(encodedPoint); if (clnt_ecdh != NULL) - { - /* group is shared */ - clnt_ecdh->group = NULL; EC_KEY_free(clnt_ecdh); - } - EVP_PKEY_free(srvr_pub_pkey); + EVP_PKEY_free(srvr_pub_pkey); #endif return(-1); } -static int ssl3_send_client_verify(SSL *s) +int ssl3_send_client_verify(SSL *s) { unsigned char *p,*d; unsigned char data[MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH]; EVP_PKEY *pkey; + EVP_PKEY_CTX *pctx=NULL; #ifndef OPENSSL_NO_RSA unsigned u=0; #endif unsigned long n; -#ifndef OPENSSL_NO_DSA +#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) int j; #endif @@ -2063,15 +2591,25 @@ static int ssl3_send_client_verify(SSL *s) d=(unsigned char *)s->init_buf->data; p= &(d[4]); pkey=s->cert->key->privatekey; - - s->method->ssl3_enc->cert_verify_mac(s,&(s->s3->finish_dgst2), - &(data[MD5_DIGEST_LENGTH])); - +/* Create context from key and test if sha1 is allowed as digest */ + pctx = EVP_PKEY_CTX_new(pkey,NULL); + EVP_PKEY_sign_init(pctx); + if (EVP_PKEY_CTX_set_signature_md(pctx, EVP_sha1())>0) + { + s->method->ssl3_enc->cert_verify_mac(s, + NID_sha1, + &(data[MD5_DIGEST_LENGTH])); + } + else + { + ERR_clear_error(); + } #ifndef OPENSSL_NO_RSA if (pkey->type == EVP_PKEY_RSA) { s->method->ssl3_enc->cert_verify_mac(s, - &(s->s3->finish_dgst1),&(data[0])); + NID_md5, + &(data[0])); if (RSA_sign(NID_md5_sha1, data, MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH, &(p[2]), &u, pkey->pkey.rsa) <= 0 ) @@ -2106,7 +2644,7 @@ static int ssl3_send_client_verify(SSL *s) if (!ECDSA_sign(pkey->save_type, &(data[MD5_DIGEST_LENGTH]), SHA_DIGEST_LENGTH,&(p[2]), - (unsigned int *)&j,pkey->pkey.eckey)) + (unsigned int *)&j,pkey->pkey.ec)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY, ERR_R_ECDSA_LIB); @@ -2117,22 +2655,45 @@ static int ssl3_send_client_verify(SSL *s) } else #endif - { + if (pkey->type == NID_id_GostR3410_94 || pkey->type == NID_id_GostR3410_2001) + { + unsigned char signbuf[64]; + int i; + size_t sigsize; + s->method->ssl3_enc->cert_verify_mac(s, + NID_id_GostR3411_94, + data); + if (!EVP_PKEY_sign(pctx,signbuf,&sigsize,data,32)) { + SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY, + ERR_R_INTERNAL_ERROR); + goto err; + } + for (i=63,j=0; i>=0; j++, i--) { + p[2+j]=signbuf[i]; + } + s2n(j,p); + n=j+2; + } + else + { SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,ERR_R_INTERNAL_ERROR); goto err; - } + } *(d++)=SSL3_MT_CERTIFICATE_VERIFY; l2n3(n,d); + s->state=SSL3_ST_CW_CERT_VRFY_B; s->init_num=(int)n+4; s->init_off=0; } + EVP_PKEY_CTX_free(pctx); return(ssl3_do_write(s,SSL3_RT_HANDSHAKE)); err: + EVP_PKEY_CTX_free(pctx); return(-1); } -static int ssl3_send_client_certificate(SSL *s) +int ssl3_send_client_certificate(SSL *s) { X509 *x509=NULL; EVP_PKEY *pkey=NULL; @@ -2211,10 +2772,10 @@ static int ssl3_send_client_certificate(SSL *s) #define has_bits(i,m) (((i)&(m)) == (m)) -static int ssl3_check_cert_and_algorithm(SSL *s) +int ssl3_check_cert_and_algorithm(SSL *s) { int i,idx; - long algs; + long alg_k,alg_a; EVP_PKEY *pkey=NULL; SESS_CERT *sc; #ifndef OPENSSL_NO_RSA @@ -2225,17 +2786,17 @@ static int ssl3_check_cert_and_algorithm(SSL *s) #endif sc=s->session->sess_cert; - if (sc == NULL) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,ERR_R_INTERNAL_ERROR); goto err; } - algs=s->s3->tmp.new_cipher->algorithms; + alg_k=s->s3->tmp.new_cipher->algorithm_mkey; + alg_a=s->s3->tmp.new_cipher->algorithm_auth; /* we don't have a certificate */ - if (algs & (SSL_aDH|SSL_aNULL|SSL_aKRB5)) + if ((alg_a & (SSL_aDH|SSL_aNULL|SSL_aKRB5)) || (alg_k & SSL_kPSK)) return(1); #ifndef OPENSSL_NO_RSA @@ -2251,11 +2812,11 @@ static int ssl3_check_cert_and_algorithm(SSL *s) #ifndef OPENSSL_NO_ECDH if (idx == SSL_PKEY_ECC) { - if (check_srvr_ecc_cert_and_alg(sc->peer_pkeys[idx].x509, + if (ssl_check_srvr_ecc_cert_and_alg(sc->peer_pkeys[idx].x509, s->s3->tmp.new_cipher) == 0) { /* check failed */ SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_BAD_ECC_CERT); - goto f_err; + goto f_err; } else { @@ -2269,20 +2830,20 @@ static int ssl3_check_cert_and_algorithm(SSL *s) /* Check that we have a certificate if we require one */ - if ((algs & SSL_aRSA) && !has_bits(i,EVP_PK_RSA|EVP_PKT_SIGN)) + if ((alg_a & SSL_aRSA) && !has_bits(i,EVP_PK_RSA|EVP_PKT_SIGN)) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_SIGNING_CERT); goto f_err; } #ifndef OPENSSL_NO_DSA - else if ((algs & SSL_aDSS) && !has_bits(i,EVP_PK_DSA|EVP_PKT_SIGN)) + else if ((alg_a & SSL_aDSS) && !has_bits(i,EVP_PK_DSA|EVP_PKT_SIGN)) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DSA_SIGNING_CERT); goto f_err; } #endif #ifndef OPENSSL_NO_RSA - if ((algs & SSL_kRSA) && + if ((alg_k & SSL_kRSA) && !(has_bits(i,EVP_PK_RSA|EVP_PKT_ENC) || (rsa != NULL))) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_ENCRYPTING_CERT); @@ -2290,19 +2851,19 @@ static int ssl3_check_cert_and_algorithm(SSL *s) } #endif #ifndef OPENSSL_NO_DH - if ((algs & SSL_kEDH) && + if ((alg_k & SSL_kEDH) && !(has_bits(i,EVP_PK_DH|EVP_PKT_EXCH) || (dh != NULL))) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_KEY); goto f_err; } - else if ((algs & SSL_kDHr) && !has_bits(i,EVP_PK_DH|EVP_PKS_RSA)) + else if ((alg_k & SSL_kDHr) && !has_bits(i,EVP_PK_DH|EVP_PKS_RSA)) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_RSA_CERT); goto f_err; } #ifndef OPENSSL_NO_DSA - else if ((algs & SSL_kDHd) && !has_bits(i,EVP_PK_DH|EVP_PKS_DSA)) + else if ((alg_k & SSL_kDHd) && !has_bits(i,EVP_PK_DH|EVP_PKS_DSA)) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_DSA_CERT); goto f_err; @@ -2313,10 +2874,10 @@ static int ssl3_check_cert_and_algorithm(SSL *s) if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) && !has_bits(i,EVP_PKT_EXP)) { #ifndef OPENSSL_NO_RSA - if (algs & SSL_kRSA) + if (alg_k & SSL_kRSA) { if (rsa == NULL - || RSA_size(rsa) > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)) + || RSA_size(rsa)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_EXPORT_TMP_RSA_KEY); goto f_err; @@ -2325,10 +2886,10 @@ static int ssl3_check_cert_and_algorithm(SSL *s) else #endif #ifndef OPENSSL_NO_DH - if (algs & (SSL_kEDH|SSL_kDHr|SSL_kDHd)) + if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd)) { if (dh == NULL - || DH_size(dh) > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)) + || DH_size(dh)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_EXPORT_TMP_DH_KEY); goto f_err; @@ -2348,44 +2909,32 @@ err: return(0); } +/* Check to see if handshake is full or resumed. Usually this is just a + * case of checking to see if a cache hit has occurred. In the case of + * session tickets we have to check the next message to be sure. + */ -#ifndef OPENSSL_NO_ECDH -/* This is the complement of nid2curve_id in s3_srvr.c. */ -static int curve_id2nid(int curve_id) -{ - /* ECC curves from draft-ietf-tls-ecc-01.txt (Mar 15, 2001) */ - static int nid_list[26] = +#ifndef OPENSSL_NO_TLSEXT +static int ssl3_check_finished(SSL *s) { - 0, - NID_sect163k1, /* sect163k1 (1) */ - NID_sect163r1, /* sect163r1 (2) */ - NID_sect163r2, /* sect163r2 (3) */ - NID_sect193r1, /* sect193r1 (4) */ - NID_sect193r2, /* sect193r2 (5) */ - NID_sect233k1, /* sect233k1 (6) */ - NID_sect233r1, /* sect233r1 (7) */ - NID_sect239k1, /* sect239k1 (8) */ - NID_sect283k1, /* sect283k1 (9) */ - NID_sect283r1, /* sect283r1 (10) */ - NID_sect409k1, /* sect409k1 (11) */ - NID_sect409r1, /* sect409r1 (12) */ - NID_sect571k1, /* sect571k1 (13) */ - NID_sect571r1, /* sect571r1 (14) */ - NID_secp160k1, /* secp160k1 (15) */ - NID_secp160r1, /* secp160r1 (16) */ - NID_secp160r2, /* secp160r2 (17) */ - NID_secp192k1, /* secp192k1 (18) */ - NID_X9_62_prime192v1, /* secp192r1 (19) */ - NID_secp224k1, /* secp224k1 (20) */ - NID_secp224r1, /* secp224r1 (21) */ - NID_secp256k1, /* secp256k1 (22) */ - NID_X9_62_prime256v1, /* secp256r1 (23) */ - NID_secp384r1, /* secp384r1 (24) */ - NID_secp521r1 /* secp521r1 (25) */ - }; - - if ((curve_id < 1) || (curve_id > 25)) return 0; + int ok; + long n; + if (!s->session->tlsext_tick) + return 1; + /* this function is called when we really expect a Certificate + * message, so permit appropriate message length */ + n=s->method->ssl_get_message(s, + SSL3_ST_CR_CERT_A, + SSL3_ST_CR_CERT_B, + -1, + s->max_cert_list, + &ok); + if (!ok) return((int)n); + s->s3->tmp.reuse_message = 1; + if ((s->s3->tmp.message_type == SSL3_MT_FINISHED) + || (s->s3->tmp.message_type == SSL3_MT_NEWSESSION_TICKET)) + return 2; - return nid_list[curve_id]; -} + return 1; + } #endif