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98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
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/*-
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* Copyright (c) 2015 The NetBSD Foundation, Inc.
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* Copyright (c) 2016 The FreeBSD Foundation, Inc.
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* All rights reserved.
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*
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* Portions of this software were developed by Kurt Lidl
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* under sponsorship from the FreeBSD Foundation.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <syslog.h>
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#include <unistd.h>
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#include "ssh.h"
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#include "packet.h"
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#include "log.h"
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#include "misc.h"
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#include "servconf.h"
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#include "blacklist_client.h"
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#include <blacklist.h>
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static struct blacklist *blstate = NULL;
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/* import */
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extern ServerOptions options;
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/* internal definition from bl.h */
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struct blacklist *bl_create(bool, char *, void (*)(int, const char *, va_list));
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/* impedence match vsyslog() to sshd's internal logging levels */
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void
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im_log(int priority, const char *message, va_list args)
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{
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LogLevel imlevel;
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switch (priority) {
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case LOG_ERR:
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imlevel = SYSLOG_LEVEL_ERROR;
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break;
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case LOG_DEBUG:
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imlevel = SYSLOG_LEVEL_DEBUG1;
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break;
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case LOG_INFO:
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imlevel = SYSLOG_LEVEL_INFO;
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break;
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default:
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imlevel = SYSLOG_LEVEL_DEBUG2;
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}
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do_log(imlevel, message, args);
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}
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void
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blacklist_init(void)
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{
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if (options.use_blacklist)
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blstate = bl_create(false, NULL, im_log);
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}
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void
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blacklist_notify(int action)
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{
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if (blstate != NULL && packet_connection_is_on_socket())
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(void)blacklist_r(blstate, action,
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packet_get_connection_in(), "ssh");
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}
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