Add sdap_connection_expire_timeout option

https://fedorahosted.org/sssd/ticket/1036

3 files changed, 15 insertions, 1 deletions

diff --git a/src/providers/ldap/ldap_common.c b/src/providers/ldap/ldap_common.c
index 170720c3f..f9627ac1d 100644
--- a/src/providers/ldap/ldap_common.c
+++ b/src/providers/ldap/ldap_common.c
@@ -91,7 +91,8 @@ struct dp_option default_basic_opts[] = {
     { "ldap_auth_disable_tls_never_use_in_production", DP_OPT_BOOL, BOOL_FALSE, BOOL_FALSE },
     { "ldap_page_size", DP_OPT_NUMBER, { .number = 1000 }, NULL_NUMBER },
     { "ldap_deref_threshold", DP_OPT_NUMBER, { .number = 10 }, NULL_NUMBER },
-    { "ldap_sasl_canonicalize", DP_OPT_BOOL, BOOL_FALSE, BOOL_FALSE }
+    { "ldap_sasl_canonicalize", DP_OPT_BOOL, BOOL_FALSE, BOOL_FALSE },
+    { "ldap_connection_expire_timeout", DP_OPT_NUMBER, { .number = 900 }, NULL_NUMBER }
 };
 
 struct sdap_attr_map generic_attr_map[] = {
diff --git a/src/providers/ldap/sdap.h b/src/providers/ldap/sdap.h
index 3ab726aad..f08200c95 100644
--- a/src/providers/ldap/sdap.h
+++ b/src/providers/ldap/sdap.h
@@ -203,6 +203,7 @@ enum sdap_basic_opt {
     SDAP_PAGE_SIZE,
     SDAP_DEREF_THRESHOLD,
     SDAP_SASL_CANONICALIZE,
+    SDAP_EXPIRE_TIMEOUT,
 
     SDAP_OPTS_BASIC /* opts counter */
 };
diff --git a/src/providers/ldap/sdap_async_connection.c b/src/providers/ldap/sdap_async_connection.c
index 6350e337e..e1099a17d 100644
--- a/src/providers/ldap/sdap_async_connection.c
+++ b/src/providers/ldap/sdap_async_connection.c
@@ -1502,6 +1502,8 @@ static void sdap_cli_auth_step(struct tevent_req *req)
     struct sdap_cli_connect_state *state = tevent_req_data(req,
                                              struct sdap_cli_connect_state);
     struct tevent_req *subreq;
+    time_t now;
+    int expire_timeout;
 
     if (!state->do_auth) {
         /* No authentication requested or GSSAPI auth forced off */
@@ -1509,6 +1511,16 @@ static void sdap_cli_auth_step(struct tevent_req *req)
         return;
     }
 
+    /* Set the LDAP expiration time
+     * If SASL has already set it, use the sooner of the two
+     */
+    now = time(NULL);
+    expire_timeout = dp_opt_get_int(state->opts->basic, SDAP_EXPIRE_TIMEOUT);
+    if (!state->sh->expire_time
+            || (state->sh->expire_time > (now + expire_timeout))) {
+        state->sh->expire_time = now + expire_timeout;
+    }
+
     subreq = sdap_auth_send(state,
                             state->ev,
                             state->sh,