From 363577822aa74772f7c99e588dbcea5df5abe79d Mon Sep 17 00:00:00 2001
From: Ludwig Krispenz <lkrispen@redhat.com>
Date: Sun, 14 Feb 2016 17:21:18 +0100
Subject: [PATCH] Enable logging of error messages from the openldap client
 library into ns-slapd error log.

This is just a proof of concept, where an how the debug leve is set needs to be defined
---
 ldap/servers/slapd/ldaputil.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/ldap/servers/slapd/ldaputil.c b/ldap/servers/slapd/ldaputil.c
index 9281e20..787bd68 100644
--- a/ldap/servers/slapd/ldaputil.c
+++ b/ldap/servers/slapd/ldaputil.c
@@ -124,6 +124,28 @@ slapi_ldap_unbind( LDAP *ld )
    where PROTO is ldap or ldaps or ldapi
    if proto is NULL, assume hostname_or_uri is really a valid ldap uri
 */
+
+static int log_initialized = 0;
+
+void slapi_util_log_print(char *buffer)
+{
+    slapi_log_error(SLAPI_LOG_FATAL, "Openldap Client",
+              "Log: %s", buffer);
+}
+
+static int
+slapi_util_set_log_fn(void)
+{
+    int rc = ber_set_option(NULL, LBER_OPT_LOG_PRINT_FN, slapi_util_log_print);
+    if (rc == LBER_OPT_SUCCESS) {
+         log_initialized = 1;
+    } else {
+        slapi_log_error(SLAPI_LOG_FATAL, "Openldap Client",
+              "Failed to init Log Function, err = %d\n", rc);
+    }
+    return rc;
+}
+
 static char *
 convert_to_openldap_uri(const char *hostname_or_uri, int port, const char *proto)
 {
@@ -658,6 +680,11 @@ slapi_ldap_init_ext(
     char *configpluginpath = config_get_saslpath();
     char *pluginpath = configpluginpath;
     char *pp = NULL;
+    int dbglvl = 1;
+
+    if (!log_initialized) slapi_util_set_log_fn();
+    ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &dbglvl);
+    ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &dbglvl);
 
     if (NULL == pluginpath || (*pluginpath == '\0')) {
         slapi_log_error(SLAPI_LOG_SHELL, "slapi_ldap_init_ext",
-- 
2.4.3