From ec9cb40da5c6e83e6dd489081cf1880c6cd8388a Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Tue, 15 Jul 2014 12:20:30 +0100 Subject: [PATCH] Add ECC extensions with DTLS. PR#3449 (cherry picked from commit 2054eb771ea29378f90d3a77c2f4015b17de702d) --- ssl/d1_clnt.c | 8 +++++++- ssl/d1_srvr.c | 5 +++++ ssl/t1_lib.c | 18 ++++++------------ 3 files changed, 18 insertions(+), 13 deletions(-) diff --git a/ssl/d1_clnt.c b/ssl/d1_clnt.c index 074b7f308f..fce48e4010 100644 --- a/ssl/d1_clnt.c +++ b/ssl/d1_clnt.c @@ -694,12 +694,18 @@ int dtls1_client_hello(SSL *s) *(p++)=0; /* Add the NULL method */ #ifndef OPENSSL_NO_TLSEXT + /* TLS extensions*/ + if (ssl_prepare_clienthello_tlsext(s) <= 0) + { + SSLerr(SSL_F_DTLS1_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_DTLS1_CLIENT_HELLO,ERR_R_INTERNAL_ERROR); goto err; } -#endif +#endif l=(p-d); d=buf; diff --git a/ssl/d1_srvr.c b/ssl/d1_srvr.c index b15970bf8d..96b9c94f0b 100644 --- a/ssl/d1_srvr.c +++ b/ssl/d1_srvr.c @@ -821,6 +821,11 @@ int dtls1_send_server_hello(SSL *s) #endif #ifndef OPENSSL_NO_TLSEXT + if (ssl_prepare_serverhello_tlsext(s) <= 0) + { + SSLerr(SSL_F_DTLS1_SEND_SERVER_HELLO,SSL_R_SERVERHELLO_TLSEXT); + return -1; + } if ((p = ssl_add_serverhello_tlsext(s, p, buf+SSL3_RT_MAX_PLAIN_LENGTH)) == NULL) { SSLerr(SSL_F_DTLS1_SEND_SERVER_HELLO,ERR_R_INTERNAL_ERROR); diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c index 98e081f097..b4d8ea5d52 100644 --- a/ssl/t1_lib.c +++ b/ssl/t1_lib.c @@ -342,8 +342,7 @@ unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned cha } #ifndef OPENSSL_NO_EC - if (s->tlsext_ecpointformatlist != NULL && - s->version != DTLS1_VERSION) + if (s->tlsext_ecpointformatlist != NULL) { /* Add TLS extension ECPointFormats to the ClientHello message */ long lenmax; @@ -362,8 +361,7 @@ unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned cha memcpy(ret, s->tlsext_ecpointformatlist, s->tlsext_ecpointformatlist_length); ret+=s->tlsext_ecpointformatlist_length; } - if (s->tlsext_ellipticcurvelist != NULL && - s->version != DTLS1_VERSION) + if (s->tlsext_ellipticcurvelist != NULL) { /* Add TLS extension EllipticCurves to the ClientHello message */ long lenmax; @@ -546,8 +544,7 @@ unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned cha } #ifndef OPENSSL_NO_EC - if (s->tlsext_ecpointformatlist != NULL && - s->version != DTLS1_VERSION) + if (s->tlsext_ecpointformatlist != NULL) { /* Add TLS extension ECPointFormats to the ServerHello message */ long lenmax; @@ -852,8 +849,7 @@ int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **p, unsigned char *d, in } #ifndef OPENSSL_NO_EC - else if (type == TLSEXT_TYPE_ec_point_formats && - s->version != DTLS1_VERSION) + else if (type == TLSEXT_TYPE_ec_point_formats) { unsigned char *sdata = data; int ecpointformatlist_length = *(sdata++); @@ -887,8 +883,7 @@ int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **p, unsigned char *d, in fprintf(stderr,"\n"); #endif } - else if (type == TLSEXT_TYPE_elliptic_curves && - s->version != DTLS1_VERSION) + else if (type == TLSEXT_TYPE_elliptic_curves) { unsigned char *sdata = data; int ellipticcurvelist_length = (*(sdata++) << 8); @@ -1148,8 +1143,7 @@ int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **p, unsigned char *d, in } #ifndef OPENSSL_NO_EC - else if (type == TLSEXT_TYPE_ec_point_formats && - s->version != DTLS1_VERSION) + else if (type == TLSEXT_TYPE_ec_point_formats) { unsigned char *sdata = data; int ecpointformatlist_length = *(sdata++); -- 2.25.1