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Code Issues Releases Wiki Activity

do not use SSLv3 except explicitely requested

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This commit is contained in:
Tim Ruehsen 2014-10-16 20:44:56 +02:00
parent ff876a3710
commit 6fc11e46ec
5 changed files with 15 additions and 7 deletions
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4
doc/ChangeLog
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@ -1,3 +1,7 @@
2014-10-16 Tim Ruehsen <tim.ruehsen@gmx.de>
* wget.texi (Download Options): update --secure-protocol description
2014-08-03 Giuseppe Scrivano <gscrivano@gnu.org>
* wget.texi (Download Options): Fix texinfo warning.

4
doc/wget.texi
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@ -1643,8 +1643,8 @@ without SSL support, none of these options are available.
Choose the secure protocol to be used. Legal values are @samp{auto},
@samp{SSLv2}, @samp{SSLv3}, @samp{TLSv1} and @samp{PFS}. If @samp{auto}
is used, the SSL library is given the liberty of choosing the appropriate
protocol automatically, which is achieved by sending an SSLv2 greeting
and announcing support for SSLv3 and TLSv1. This is the default.
protocol automatically, which is achieved by sending an TLSv1 greeting.
This is the default.
Specifying @samp{SSLv2}, @samp{SSLv3}, or @samp{TLSv1} forces the use
of the corresponding protocol. This is useful when talking to old and

5
src/ChangeLog
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@ -1,3 +1,8 @@
2014-10-16 Tim Ruehsen <tim.ruehsen@gmx.de>
* gnutls.c (ssl_connect_wget): do not use SSLv3 except explicitely requested
* openssl.c (ssl_init): do not use SSLv3 except explicitely requested
2014-05-03 Tim Ruehsen <tim.ruehsen@gmx.de>
* retr.c (retrieve_url): fixed memory leak

5
src/gnutls.c
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@ -433,6 +433,7 @@ ssl_connect_wget (int fd, const char *hostname)
switch (opt.secure_protocol)
{
case secure_protocol_auto:
err = gnutls_priority_set_direct (session, "NORMAL:%COMPAT:-VERS-SSL3.0", NULL);
break;
case secure_protocol_sslv2:
case secure_protocol_sslv3:
@ -442,10 +443,10 @@ ssl_connect_wget (int fd, const char *hostname)
err = gnutls_priority_set_direct (session, "NORMAL:-VERS-SSL3.0", NULL);
break;
case secure_protocol_pfs:
err = gnutls_priority_set_direct (session, "PFS", NULL);
err = gnutls_priority_set_direct (session, "PFS:-VERS-SSL3.0", NULL);
if (err != GNUTLS_E_SUCCESS)
/* fallback if PFS is not available */
err = gnutls_priority_set_direct (session, "NORMAL:-RSA", NULL);
err = gnutls_priority_set_direct (session, "NORMAL:-RSA:-VERS-SSL3.0", NULL);
break;
default:
abort ();

4
src/openssl.c
View File

@ -194,9 +194,6 @@ ssl_init (void)
switch (opt.secure_protocol)
{
case secure_protocol_auto:
meth = SSLv23_client_method ();
break;
#ifndef OPENSSL_NO_SSL2
case secure_protocol_sslv2:
meth = SSLv2_client_method ();
@ -205,6 +202,7 @@ ssl_init (void)
case secure_protocol_sslv3:
meth = SSLv3_client_method ();
break;
case secure_protocol_auto:
case secure_protocol_pfs:
case secure_protocol_tlsv1:
meth = TLSv1_client_method ();