From ba4378f49914e65a7d687a872d9b938173841154 Mon Sep 17 00:00:00 2001
From: Michal Zidek <mzidek@redhat.com>
Date: Mar 19 2013 16:50:53 +0000
Subject: Make the SELinux refresh time configurable.


Option ipa_selinux_refresh is added to basic ipa options.

---

diff --git a/src/config/SSSDConfig/__init__.py.in b/src/config/SSSDConfig/__init__.py.in
index fd54c7b..a1f2239 100644
--- a/src/config/SSSDConfig/__init__.py.in
+++ b/src/config/SSSDConfig/__init__.py.in
@@ -136,6 +136,7 @@ option_strings = {
     'ipa_dyndns_iface' : _("The interface whose IP should be used for dynamic DNS updates"),
     'ipa_hbac_search_base' : _("Search base for HBAC related objects"),
     'ipa_hbac_refresh' : _("The amount of time between lookups of the HBAC rules against the IPA server"),
+    'ipa_selinux_refresh' : _("The amount of time in seconds between lookups of the SELinux maps against the IPA server"),
     'ipa_hbac_treat_deny_as' : _("If DENY rules are present, either DENY_ALL or IGNORE"),
     'ipa_hbac_support_srchost' : _("If set to false, host argument given by PAM will be ignored"),
     'ipa_automount_location' : _("The automounter location this IPA client is using"),
diff --git a/src/config/etc/sssd.api.d/sssd-ipa.conf b/src/config/etc/sssd.api.d/sssd-ipa.conf
index 5618459..87f69a2 100644
--- a/src/config/etc/sssd.api.d/sssd-ipa.conf
+++ b/src/config/etc/sssd.api.d/sssd-ipa.conf
@@ -141,6 +141,7 @@ krb5_fast_principal = str, None, false
 
 [provider/ipa/access]
 ipa_hbac_refresh = int, None, false
+ipa_selinux_refresh = int, None, false
 ipa_hbac_treat_deny_as = str, None, false
 ipa_hbac_support_srchost = bool, None, false
 ipa_host_object_class = str, None, false
diff --git a/src/man/sssd-ipa.5.xml b/src/man/sssd-ipa.5.xml
index 56220c3..8630a5d 100644
--- a/src/man/sssd-ipa.5.xml
+++ b/src/man/sssd-ipa.5.xml
@@ -316,6 +316,23 @@
                         </para>
                     </listitem>
                 </varlistentry>
+
+                <varlistentry>
+                    <term>ipa_hbac_selinux (integer)</term>
+                    <listitem>
+                        <para>
+                            The amount of time between lookups of the SELinux
+                            maps against the IPA server. This will reduce the
+                            latency and load on the IPA server if there are
+                            many user login requests made in a short
+                            period.
+                        </para>
+                        <para>
+                            Default: 5 (seconds)
+                        </para>
+                    </listitem>
+                </varlistentry>
+
                 <varlistentry>
                     <term>ipa_hbac_treat_deny_as (string)</term>
                     <listitem>
diff --git a/src/providers/ipa/ipa_common.h b/src/providers/ipa/ipa_common.h
index f077776..e3915be 100644
--- a/src/providers/ipa/ipa_common.h
+++ b/src/providers/ipa/ipa_common.h
@@ -47,6 +47,7 @@ enum ipa_basic_opt {
     IPA_MASTER_DOMAIN_SEARCH_BASE,
     IPA_KRB5_REALM,
     IPA_HBAC_REFRESH,
+    IPA_SELINUX_REFRESH,
     IPA_HBAC_DENY_METHOD,
     IPA_HBAC_SUPPORT_SRCHOST,
     IPA_AUTOMOUNT_LOCATION,
diff --git a/src/providers/ipa/ipa_opts.h b/src/providers/ipa/ipa_opts.h
index a2200d1..7923b1e 100644
--- a/src/providers/ipa/ipa_opts.h
+++ b/src/providers/ipa/ipa_opts.h
@@ -45,6 +45,7 @@ struct dp_option ipa_basic_opts[] = {
     { "ipa_master_domain_search_base", DP_OPT_STRING, NULL_STRING, NULL_STRING },
     { "krb5_realm", DP_OPT_STRING, NULL_STRING, NULL_STRING},
     { "ipa_hbac_refresh", DP_OPT_NUMBER, { .number = 5 }, NULL_NUMBER },
+    { "ipa_selinux_refresh", DP_OPT_NUMBER, { .number = 5 }, NULL_NUMBER },
     { "ipa_hbac_treat_deny_as", DP_OPT_STRING, { "DENY_ALL" }, NULL_STRING },
     { "ipa_hbac_support_srchost", DP_OPT_BOOL, BOOL_FALSE, BOOL_FALSE },
     { "ipa_automount_location", DP_OPT_STRING, { "default" }, NULL_STRING },
diff --git a/src/providers/ipa/ipa_selinux.c b/src/providers/ipa/ipa_selinux.c
index 489c203..6705eea 100644
--- a/src/providers/ipa/ipa_selinux.c
+++ b/src/providers/ipa/ipa_selinux.c
@@ -811,6 +811,7 @@ ipa_get_selinux_send(TALLOC_CTX *mem_ctx,
     int ret = EOK;
     time_t now;
     time_t refresh_interval;
+    struct ipa_options *ipa_options = selinux_ctx->id_ctx->ipa_options;
 
     DEBUG(SSSDBG_TRACE_FUNC, ("Retrieving SELinux user mapping\n"));
     req = tevent_req_create(mem_ctx, &state, struct ipa_get_selinux_state);
@@ -828,8 +829,8 @@ ipa_get_selinux_send(TALLOC_CTX *mem_ctx,
                                   offline ? "offline" : "online"));
 
     if (!offline) {
-        /* FIXME: Make the interval configurable */
-        refresh_interval = 5;
+        refresh_interval = dp_opt_get_int(ipa_options->basic,
+                                          IPA_SELINUX_REFRESH);
         now = time(NULL);
         if (now < selinux_ctx->last_update + refresh_interval) {
             /* SELinux maps were recently updated -> force offline */