From f9a60620818b6a19ebe3e6f15e1b57d7012e6fb0 Mon Sep 17 00:00:00 2001 From: Gunter Knauf Date: Tue, 19 Feb 2008 23:10:07 +0000 Subject: applied patch to disable SSLv2 by default; discussion: http://sourceforge.net/tracker/index.php?func=detail&aid=1767276&group_id=976&atid=350976 Submitted by Kaspar Brand. --- lib/nss.c | 5 ++++- lib/qssl.c | 4 ++-- lib/ssluse.c | 4 ++++ 3 files changed, 10 insertions(+), 3 deletions(-) (limited to 'lib') diff --git a/lib/nss.c b/lib/nss.c index b8f2ddd5c..6e3ee8604 100644 --- a/lib/nss.c +++ b/lib/nss.c @@ -873,7 +873,7 @@ CURLcode Curl_nss_connect(struct connectdata * conn, int sockindex) switch (data->set.ssl.version) { default: case CURL_SSLVERSION_DEFAULT: - ssl2 = ssl3 = tlsv1 = PR_TRUE; + ssl3 = tlsv1 = PR_TRUE; break; case CURL_SSLVERSION_TLSv1: tlsv1 = PR_TRUE; @@ -893,6 +893,9 @@ CURLcode Curl_nss_connect(struct connectdata * conn, int sockindex) if(SSL_OptionSet(model, SSL_ENABLE_TLS, tlsv1) != SECSuccess) goto error; + if(SSL_OptionSet(model, SSL_V2_COMPATIBLE_HELLO, ssl2) != SECSuccess) + goto error; + if(data->set.ssl.cipher_list) { if(set_ciphers(data, model, data->set.ssl.cipher_list) != SECSuccess) { curlerr = CURLE_SSL_CIPHER; diff --git a/lib/qssl.c b/lib/qssl.c index d89f01730..0252b465e 100644 --- a/lib/qssl.c +++ b/lib/qssl.c @@ -90,7 +90,7 @@ static CURLcode Curl_qsossl_init_session(struct SessionHandle * data) memset((char *) &initappstr, 0, sizeof initappstr); initappstr.applicationID = certname; initappstr.applicationIDLen = strlen(certname); - initappstr.protocol = SSL_VERSION_CURRENT; + initappstr.protocol = TLSV1_SSLV3; initappstr.sessionType = SSL_REGISTERED_AS_CLIENT; rc = SSL_Init_Application(&initappstr); @@ -190,7 +190,7 @@ static CURLcode Curl_qsossl_handshake(struct connectdata * conn, int sockindex) default: case CURL_SSLVERSION_DEFAULT: - h->protocol = SSL_VERSION_CURRENT; + h->protocol = TLSV1_SSLV3; break; case CURL_SSLVERSION_TLSv1: diff --git a/lib/ssluse.c b/lib/ssluse.c index e8a2e03c9..1e9b48a49 100644 --- a/lib/ssluse.c +++ b/lib/ssluse.c @@ -1324,6 +1324,10 @@ ossl_connect_step1(struct connectdata *conn, */ SSL_CTX_set_options(connssl->ctx, SSL_OP_ALL); + /* disable SSLv2 in the default case (i.e. allow SSLv3 and TLSv1) */ + if(data->set.ssl.version == CURL_SSLVERSION_DEFAULT) + SSL_CTX_set_options(connssl->ctx, SSL_OP_NO_SSLv2); + #if 0 /* * Not sure it's needed to tell SSL_connect() that socket is -- cgit v1.2.3