1 files changed, 97 insertions, 0 deletions
diff --git a/crypto/openssh/blocklist.c b/crypto/openssh/blocklist.c
new file mode 100644
index 000000000000..f3c00016db66
--- /dev/null
+++ b/crypto/openssh/blocklist.c
@@ -0,0 +1,97 @@
+/*-
+ * Copyright (c) 2015 The NetBSD Foundation, Inc.
+ * Copyright (c) 2016 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * Portions of this software were developed by Kurt Lidl
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 "includes.h"
+
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <syslog.h>
+#include <unistd.h>
+
+#include "ssh.h"
+#include "packet.h"
+#include "log.h"
+#include "misc.h"
+#include "servconf.h"
+#include <blocklist.h>
+#include "blocklist_client.h"
+
+static struct blocklist *blstate = NULL;
+
+/* import */
+extern ServerOptions options;
+
+/* internal definition from bl.h */
+struct blocklist *bl_create(bool, char *, void (*)(int, const char *, va_list));
+
+/* impedence match vsyslog() to sshd's internal logging levels */
+void
+im_log(int priority, const char *message, va_list args)
+{
+	LogLevel imlevel;
+
+	switch (priority) {
+	case LOG_ERR:
+		imlevel = SYSLOG_LEVEL_ERROR;
+		break;
+	case LOG_DEBUG:
+		imlevel = SYSLOG_LEVEL_DEBUG1;
+		break;
+	case LOG_INFO:
+		imlevel = SYSLOG_LEVEL_INFO;
+		break;
+	default:
+		imlevel = SYSLOG_LEVEL_DEBUG2;
+	}
+	do_log2(imlevel, message, args);
+}
+
+void
+blocklist_init(void)
+{
+
+	if (options.use_blocklist)
+		blstate = bl_create(false, NULL, im_log);
+}
+
+void
+blocklist_notify(struct ssh *ssh, int action, const char *msg)
+{
+
+	if (blstate != NULL && ssh_packet_connection_is_on_socket(ssh))
+		(void)blocklist_r(blstate, action,
+		ssh_packet_get_connection_in(ssh), msg);
+}