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From c76016d3b8051f8e4f55cd547d29d4ac9ec33062 Mon Sep 17 00:00:00 2001
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From: "Alan T. DeKok" <aland@freeradius.org>
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Date: Mon, 8 May 2017 16:38:56 -0400
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Subject: [PATCH] disable internal OpenSSL cache
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(cherry picked from commit af030bd4e19c9149e2ffd898ad0c4dfde78c29be)
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---
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raddb/mods-available/eap | 18 ++++++++----------
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raddb/sites-available/tls | 17 ++++++++---------
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src/main/tls.c | 4 ++--
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3 files changed, 18 insertions(+), 21 deletions(-)
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diff --git a/raddb/mods-available/eap b/raddb/mods-available/eap
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index 95ef66619..e51860ac2 100644
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--- a/raddb/mods-available/eap
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+++ b/raddb/mods-available/eap
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@@ -352,6 +352,13 @@ eap {
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# Deleting the entire "cache" subsection
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# also disables caching.
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#
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+ # As of version 3.0.4-8 (upstream 3.0.14), the
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+ # session cache requires the use of the "name" and
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+ # "persist_dir" configuration items, below.
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+ #
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+ # The internal OpenSSL session cache has been
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+ # permanently disabled.
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+ #
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# You can disallow resumption for a
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# particular user by adding the following
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# attribute to the control item list:
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@@ -362,7 +369,7 @@ eap {
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# enable resumption for just one user
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# by setting the above attribute to "yes".
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#
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- enable = yes
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+ enable = no
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#
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# Lifetime of the cached entries, in hours.
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@@ -372,15 +379,6 @@ eap {
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lifetime = 24 # hours
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#
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- # The maximum number of entries in the
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- # cache. Set to "0" for "infinite".
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- #
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- # This could be set to the number of users
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- # who are logged in... which can be a LOT.
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- #
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- max_entries = 255
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-
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- #
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# Internal "name" of the session cache.
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# Used to distinguish which TLS context
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# sessions belong to.
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diff --git a/raddb/sites-available/tls b/raddb/sites-available/tls
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index 1ba876745..df687584e 100644
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--- a/raddb/sites-available/tls
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+++ b/raddb/sites-available/tls
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@@ -231,6 +231,14 @@ listen {
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# Deleting the entire "cache" subsection
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# Also disables caching.
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#
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+ #
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+ # As of version 3.0.4-8 (upstream 3.0.14), the session
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+ # cache requires the use of the "name" and
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+ # "persist_dir" configuration items, below.
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+ #
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+ # The internal OpenSSL session cache has been
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+ # permanently disabled.
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+ #
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# You can disallow resumption for a
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# particular user by adding the following
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# attribute to the control item list:
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@@ -251,15 +259,6 @@ listen {
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lifetime = 24 # hours
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#
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- # The maximum number of entries in the
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- # cache. Set to "0" for "infinite".
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- #
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- # This could be set to the number of users
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- # who are logged in... which can be a LOT.
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- #
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- max_entries = 255
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-
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- #
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# Internal "name" of the session cache.
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# Used to distinguish which TLS context
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# sessions belong to.
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diff --git a/src/main/tls.c b/src/main/tls.c
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index 42b538c4c..b790d2dc1 100644
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--- a/src/main/tls.c
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+++ b/src/main/tls.c
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@@ -2489,9 +2489,9 @@ post_ca:
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}
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/*
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- * Cache it, and DON'T auto-clear it.
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+ * Cache it, DON'T auto-clear it, and disable the internal OpenSSL session cache.
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*/
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- SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_SERVER | SSL_SESS_CACHE_NO_AUTO_CLEAR);
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+ SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_SERVER | SSL_SESS_CACHE_NO_AUTO_CLEAR | SSL_SESS_CACHE_NO_INTERNAL);
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SSL_CTX_set_session_id_context(ctx,
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(unsigned char *) conf->session_context_id,
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--
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2.11.0
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