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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 1994-1996, 1998-2020 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F39502-99-1-0512.
*/
/*
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
*/
#include <config.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <grp.h>
#include <locale.h>
#include <pwd.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <time.h>
#include <unistd.h>
#include "pathnames.h"
#include "sudo_compat.h"
#include "sudo_debug.h"
#include "sudo_eventlog.h"
#include "sudo_fatal.h"
#include "sudo_gettext.h"
#include "sudo_json.h"
#include "sudo_queue.h"
#include "sudo_util.h"
static FILE *eventlog_stub_open_log(int type, const char *logfile);
static void eventlog_stub_close_log(int type, FILE *fp);
/* Eventlog config settings (default values). */
static struct eventlog_config evl_conf = {
EVLOG_NONE, /* type */
EVLOG_SUDO, /* format */
LOG_NOTICE, /* syslog_acceptpri */
LOG_ALERT, /* syslog_rejectpri */
LOG_ALERT, /* syslog_alertpri */
MAXSYSLOGLEN, /* syslog_maxlen */
0, /* file_maxlen */
ROOT_UID, /* mailuid */
false, /* omit_hostname */
_PATH_SUDO_LOGFILE, /* logpath */
"%h %e %T", /* time_fmt */
#ifdef _PATH_SUDO_SENDMAIL
_PATH_SUDO_SENDMAIL, /* mailerpath */
#else
NULL, /* mailerpath (disabled) */
#endif
"-t", /* mailerflags */
NULL, /* mailfrom */
MAILTO, /* mailto */
N_(MAILSUBJECT), /* mailsub */
eventlog_stub_open_log, /* open_log */
eventlog_stub_close_log /* close_log */
};
static FILE *
eventlog_stub_open_log(int type, const char *logfile)
{
debug_decl(eventlog_stub_open_log, SUDO_DEBUG_UTIL);
sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO,
"open_log not set, using stub");
debug_return_ptr(NULL);
}
static void
eventlog_stub_close_log(int type, FILE *fp)
{
debug_decl(eventlog_stub_close_log, SUDO_DEBUG_UTIL);
sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO,
"close_log not set, using stub");
debug_return;
}
/*
* eventlog config setters.
*/
void
eventlog_set_type(int type)
{
evl_conf.type = type;
}
void
eventlog_set_format(enum eventlog_format format)
{
evl_conf.format = format;
}
void
eventlog_set_syslog_acceptpri(int pri)
{
evl_conf.syslog_acceptpri = pri;
}
void
eventlog_set_syslog_rejectpri(int pri)
{
evl_conf.syslog_rejectpri = pri;
}
void
eventlog_set_syslog_alertpri(int pri)
{
evl_conf.syslog_alertpri = pri;
}
void
eventlog_set_syslog_maxlen(int len)
{
evl_conf.syslog_maxlen = len;
}
void
eventlog_set_file_maxlen(int len)
{
evl_conf.file_maxlen = len;
}
void
eventlog_set_mailuid(uid_t uid)
{
evl_conf.mailuid = uid;
}
void
eventlog_set_omit_hostname(bool omit_hostname)
{
evl_conf.omit_hostname = omit_hostname;
}
void
eventlog_set_logpath(const char *path)
{
evl_conf.logpath = path;
}
void
eventlog_set_time_fmt(const char *fmt)
{
evl_conf.time_fmt = fmt;
}
void
eventlog_set_mailerpath(const char *path)
{
evl_conf.mailerpath = path;
}
void
eventlog_set_mailerflags(const char *mflags)
{
evl_conf.mailerflags = mflags;
}
void
eventlog_set_mailfrom(const char *from_addr)
{
evl_conf.mailfrom = from_addr;
}
void
eventlog_set_mailto(const char *to_addr)
{
evl_conf.mailto = to_addr;
}
void
eventlog_set_mailsub(const char *subject)
{
evl_conf.mailsub = subject;
}
void
eventlog_set_open_log(FILE *(*fn)(int type, const char *))
{
evl_conf.open_log = fn;
}
void
eventlog_set_close_log(void (*fn)(int type, FILE *))
{
evl_conf.close_log = fn;
}
/*
* get eventlog config.
*/
const struct eventlog_config *
eventlog_getconf(void)
{
return &evl_conf;
}
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