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From 4dd1bad726e993bcd43f16312acaf95596d35680 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/abfab-tls | 3 ++-
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raddb/sites-available/tls | 17 ++++++++---------
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src/main/tls.c | 4 ++--
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4 files changed, 20 insertions(+), 22 deletions(-)
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diff --git a/raddb/mods-available/eap b/raddb/mods-available/eap
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index 9659db1cd..bfbfe710e 100644
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--- a/raddb/mods-available/eap
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+++ b/raddb/mods-available/eap
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@@ -382,6 +382,13 @@ eap {
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# Enable it. The default is "no". Deleting the entire "cache"
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# subsection also disables caching.
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#
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+ # As of version 3.0.13-4 (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 permanently
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+ # disabled.
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+ #
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# You can disallow resumption for a particular user by adding the
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# following attribute to the control item list:
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#
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@@ -390,7 +397,7 @@ eap {
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# If "enable = no" below, you CANNOT enable resumption for just one
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# user 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. The sessions will be
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@@ -399,15 +406,6 @@ 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. Used to
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# distinguish which TLS context sessions belong to.
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#
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diff --git a/raddb/sites-available/abfab-tls b/raddb/sites-available/abfab-tls
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index 79d74e6fc..5dbe143da 100644
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--- a/raddb/sites-available/abfab-tls
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+++ b/raddb/sites-available/abfab-tls
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@@ -24,7 +24,8 @@ listen {
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cache {
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enable = no
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lifetime = 24 # hours
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- max_entries = 255
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+ name = "abfab-tls"
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+# persist_dir = ${logdir}/abfab-tls
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}
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require_client_cert = yes
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diff --git a/raddb/sites-available/tls b/raddb/sites-available/tls
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index c9555e1c7..eb39c659e 100644
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--- a/raddb/sites-available/tls
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+++ b/raddb/sites-available/tls
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@@ -239,6 +239,14 @@ 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 3.0.13-4 (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 permanently
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+ # 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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@@ -259,15 +267,6 @@ 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 a72be2b63..e992062dc 100644
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--- a/src/main/tls.c
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+++ b/src/main/tls.c
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@@ -2937,9 +2937,9 @@ 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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