kdc/log.c

   1 /*
   2  * Copyright (c) 1997, 1998, 2002 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "kdc_locl.h"
  37
  38 KDC_LIB_FUNCTION void KDC_LIB_CALL
  39 kdc_openlog(krb5_context context,
  40             const char *service,
  41             krb5_kdc_configuration *config)
  42 {
  43     char **s = NULL, **p;
  44     krb5_initlog(context, "kdc", &config->logf);
  45     s = krb5_config_get_strings(context, NULL, service, "logging", NULL);
  46     if(s == NULL)
  47         s = krb5_config_get_strings(context, NULL, "logging", service, NULL);
  48     if(s){
  49         for(p = s; *p; p++)
  50             krb5_addlog_dest(context, config->logf, *p);
  51         krb5_config_free_strings(s);
  52     }else {
  53         char *ss;
  54         if (asprintf(&ss, "0-1/FILE:%s/%s", hdb_db_dir(context),
  55             KDC_LOG_FILE) < 0)
  56             err(1, "out of memory");
  57         krb5_addlog_dest(context, config->logf, ss);
  58         free(ss);
  59     }
  60     krb5_set_warn_dest(context, config->logf);
  61 }
  62
  63 #undef __attribute__
  64 #define __attribute__(X)
  65
  66 KDC_LIB_FUNCTION char * KDC_LIB_CALL
  67 kdc_log_msg_va(krb5_context context,
  68                krb5_kdc_configuration *config,
  69                int level, const char *fmt, va_list ap)
  70     __attribute__ ((__format__ (__printf__, 4, 0)))
  71 {
  72     char *msg;
  73     krb5_vlog_msg(context, config->logf, &msg, level, fmt, ap);
  74     return msg;
  75 }
  76
  77 KDC_LIB_FUNCTION char * KDC_LIB_CALL
  78 kdc_log_msg(krb5_context context,
  79             krb5_kdc_configuration *config,
  80             int level, const char *fmt, ...)
  81     __attribute__ ((__format__ (__printf__, 4, 5)))
  82 {
  83     va_list ap;
  84     char *s;
  85     va_start(ap, fmt);
  86     s = kdc_log_msg_va(context, config, level, fmt, ap);
  87     va_end(ap);
  88     return s;
  89 }
  90
  91 KDC_LIB_FUNCTION void KDC_LIB_CALL
  92 kdc_vlog(krb5_context context,
  93          krb5_kdc_configuration *config,
  94          int level, const char *fmt, va_list ap)
  95     __attribute__ ((__format__ (__printf__, 4, 0)))
  96 {
  97     free(kdc_log_msg_va(context, config, level, fmt, ap));
  98 }
  99
 100 KDC_LIB_FUNCTION void KDC_LIB_CALL
 101 kdc_log(krb5_context context,
 102         krb5_kdc_configuration *config,
 103         int level, const char *fmt, ...)
 104     __attribute__ ((__format__ (__printf__, 4, 5)))
 105 {
 106     va_list ap;
 107     va_start(ap, fmt);
 108     free(kdc_log_msg_va(context, config, level, fmt, ap));
 109     va_end(ap);
 110 }