/*
 * Copyright (c) 1997, 1998, 2002 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "kdc_locl.h"

KDC_LIB_FUNCTION void KDC_LIB_CALL
kdc_openlog(krb5_context context,
	    const char *service,
	    krb5_kdc_configuration *config)
{
    char **s = NULL, **p;
    krb5_initlog(context, "kdc", &config->logf);
    s = krb5_config_get_strings(context, NULL, service, "logging", NULL);
    if(s == NULL)
	s = krb5_config_get_strings(context, NULL, "logging", service, NULL);
    if(s){
	for(p = s; *p; p++)
	    krb5_addlog_dest(context, config->logf, *p);
	krb5_config_free_strings(s);
    }else {
	char *ss;
	if (asprintf(&ss, "0-1/FILE:%s/%s", hdb_db_dir(context),
	    KDC_LOG_FILE) < 0)
	    err(1, "out of memory");
	krb5_addlog_dest(context, config->logf, ss);
	free(ss);
    }
    krb5_set_warn_dest(context, config->logf);
}

#undef __attribute__
#define __attribute__(X)

KDC_LIB_FUNCTION char * KDC_LIB_CALL
kdc_log_msg_va(krb5_context context,
	       krb5_kdc_configuration *config,
	       int level, const char *fmt, va_list ap)
    __attribute__ ((__format__ (__printf__, 4, 0)))
{
    char *msg;
    krb5_vlog_msg(context, config->logf, &msg, level, fmt, ap);
    return msg;
}

KDC_LIB_FUNCTION char * KDC_LIB_CALL
kdc_log_msg(krb5_context context,
	    krb5_kdc_configuration *config,
	    int level, const char *fmt, ...)
    __attribute__ ((__format__ (__printf__, 4, 5)))
{
    va_list ap;
    char *s;
    va_start(ap, fmt);
    s = kdc_log_msg_va(context, config, level, fmt, ap);
    va_end(ap);
    return s;
}

KDC_LIB_FUNCTION void KDC_LIB_CALL
kdc_vlog(krb5_context context,
         krb5_kdc_configuration *config,
         int level, const char *fmt, va_list ap)
    __attribute__ ((__format__ (__printf__, 4, 0)))
{
    free(kdc_log_msg_va(context, config, level, fmt, ap));
}

KDC_LIB_FUNCTION void KDC_LIB_CALL
kdc_log(krb5_context context,
	krb5_kdc_configuration *config,
	int level, const char *fmt, ...)
    __attribute__ ((__format__ (__printf__, 4, 5)))
{
    va_list ap;
    va_start(ap, fmt);
    free(kdc_log_msg_va(context, config, level, fmt, ap));
    va_end(ap);
}
