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Remove support for SSLv3 from fetch(3).

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Support for SSLv3 was already removed from OpenSSL (r361392).

Differential Revision:	https://reviews.freebsd.org/D24947
This commit is contained in:
Jung-uk Kim 2020-11-24 22:10:33 +00:00
parent 960b77be8f
commit fe85238ef7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=368000
2 changed files with 3 additions and 9 deletions
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4
lib/libfetch/common.c
View file

@ -1054,9 +1054,7 @@ fetch_ssl_setup_transport_layer(SSL_CTX *ctx, int verbose)
{
long ssl_ctx_options;
ssl_ctx_options = SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_TICKET;
if (getenv("SSL_ALLOW_SSL3") == NULL)
ssl_ctx_options |= SSL_OP_NO_SSLv3;
ssl_ctx_options = SSL_OP_ALL | SSL_OP_NO_SSLv3 | SSL_OP_NO_TICKET;
if (getenv("SSL_NO_TLS1") != NULL)
ssl_ctx_options |= SSL_OP_NO_TLSv1;
if (getenv("SSL_NO_TLS1_1") != NULL)

8
lib/libfetch/fetch.3
View file

@ -26,7 +26,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd August 28, 2019
.Dd November 24, 2020
.Dt FETCH 3
.Os
.Sh NAME
@ -465,12 +465,10 @@ By default
allows TLSv1 and newer when negotiating the connecting with the remote
peer.
You can change this behavior by setting the
.Ev SSL_ALLOW_SSL3
environment variable to allow SSLv3 and
.Ev SSL_NO_TLS1 ,
.Ev SSL_NO_TLS1_1 and
.Ev SSL_NO_TLS1_2
to disable TLS 1.0, 1.1 and 1.2 respectively.
environment variables to disable TLS 1.0, 1.1 and 1.2 respectively.
.Sh AUTHENTICATION
Apart from setting the appropriate environment variables and
specifying the user name and password in the URL or the
@ -675,8 +673,6 @@ IPv6 addresses must enclose the address in brackets.
If no port is specified, the default is 1080.
This setting will supercede a connection to an
.Ev HTTP_PROXY .
.It Ev SSL_ALLOW_SSL3
Allow SSL version 3 when negotiating the connection (not recommended).
.It Ev SSL_CA_CERT_FILE
CA certificate bundle containing trusted CA certificates.
Default value: See HTTPS SCHEME above.