From 66f96fe2d519147097c118d4bf60704c69ed0635 Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Tue, 18 Mar 2014 14:19:22 +0000 Subject: [PATCH] Check return value of ssl3_output_cert_chain --- ssl/s3_clnt.c | 9 +++++++-- ssl/s3_srvr.c | 6 +++++- 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c index 70c6533268..efc3710abd 100644 --- a/ssl/s3_clnt.c +++ b/ssl/s3_clnt.c @@ -3380,8 +3380,13 @@ int ssl3_send_client_certificate(SSL *s) if (s->state == SSL3_ST_CW_CERT_C) { s->state=SSL3_ST_CW_CERT_D; - ssl3_output_cert_chain(s, - (s->s3->tmp.cert_req == 2)?NULL:s->cert->key); + if (!ssl3_output_cert_chain(s, + (s->s3->tmp.cert_req == 2)?NULL:s->cert->key)) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_CERTIFICATE, ERR_R_INTERNAL_ERROR); + ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_INTERNAL_ERROR); + return 0; + } } /* SSL3_ST_CW_CERT_D */ return ssl_do_write(s); diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c index f048b76dca..411b6f6af8 100644 --- a/ssl/s3_srvr.c +++ b/ssl/s3_srvr.c @@ -3476,7 +3476,11 @@ int ssl3_send_server_certificate(SSL *s) } } - ssl3_output_cert_chain(s,cpk); + if (!ssl3_output_cert_chain(s,cpk)) + { + SSLerr(SSL_F_SSL3_SEND_SERVER_CERTIFICATE,ERR_R_INTERNAL_ERROR); + return(0); + } s->state=SSL3_ST_SW_CERT_B; } -- 2.25.1