20 files changed, 1389 insertions, 0 deletions
diff --git a/lib/libnetbsd/Makefile b/lib/libnetbsd/Makefile
new file mode 100644
index 000000000000..4088c2b57176
--- /dev/null
+++ b/lib/libnetbsd/Makefile
@@ -0,0 +1,11 @@
+.include <bsd.own.mk>
+
+LIB=	netbsd
+
+CFLAGS+=	-I${.CURDIR}
+
+SRCS+=	efun.c sockaddr_snprintf.c strsuftoll.c util.c util.h
+
+INTERNALLIB=
+
+.include <bsd.lib.mk>
diff --git a/lib/libnetbsd/Makefile.depend b/lib/libnetbsd/Makefile.depend
new file mode 100644
index 000000000000..15a1f9c07f7c
--- /dev/null
+++ b/lib/libnetbsd/Makefile.depend
@@ -0,0 +1,12 @@
+# Autogenerated - do NOT edit!
+
+DIRDEPS = \
+	include \
+	include/xlocale \
+
+
+.include <dirdeps.mk>
+
+.if ${DEP_RELDIR} == ${_DEP_RELDIR}
+# local dependencies - needed for -jN in clean tree
+.endif
diff --git a/lib/libnetbsd/Makefile.depend.options b/lib/libnetbsd/Makefile.depend.options
new file mode 100644
index 000000000000..95c6de3baf00
--- /dev/null
+++ b/lib/libnetbsd/Makefile.depend.options
@@ -0,0 +1,7 @@
+DIRDEPS_OPTIONS = host_egacy
+
+DIRDEPS.host_egacy.no = lib/libutil
+DIRDEPS.host_egacy.yes = tools/build
+
+.include <dirdeps-options.mk>
+
diff --git a/lib/libnetbsd/README b/lib/libnetbsd/README
new file mode 100644
index 000000000000..0eccbe8616d9
--- /dev/null
+++ b/lib/libnetbsd/README
@@ -0,0 +1,6 @@
+
+libnetbsd is a thin compatibility layer intended to allow a limited
+set of NetBSD software to compile as part of the FreeBSD build with
+little or no modification.  It is built as a static library and not
+installed for general use.  Likewise, its header files are not
+installed.
diff --git a/lib/libnetbsd/efun.c b/lib/libnetbsd/efun.c
new file mode 100644
index 000000000000..495bfc5b9368
--- /dev/null
+++ b/lib/libnetbsd/efun.c
@@ -0,0 +1,159 @@
+/*	$NetBSD: efun.c,v 1.10 2015/07/26 02:20:30 kamil Exp $	*/
+
+/*-
+ * Copyright (c) 2006 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * 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.
+ */
+
+#if HAVE_NBTOOL_CONFIG_H
+#include "nbtool_config.h"
+#endif
+
+#include <sys/cdefs.h>
+#ifdef __RCSID
+__RCSID("$NetBSD: efun.c,v 1.10 2015/07/26 02:20:30 kamil Exp $");
+#endif
+
+#include <err.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <util.h>
+
+static void (*efunc)(int, const char *, ...) = err;
+
+void (*
+esetfunc(void (*ef)(int, const char *, ...)))(int, const char *, ...)
+{
+	void (*of)(int, const char *, ...) = efunc;
+	efunc = ef == NULL ? (void (*)(int, const char *, ...))exit : ef;
+	return of;
+}
+
+size_t
+estrlcpy(char *dst, const char *src, size_t len)
+{
+	size_t rv;
+	if ((rv = strlcpy(dst, src, len)) >= len) {
+		errno = ENAMETOOLONG;
+		(*efunc)(1,
+		    "Cannot copy string; %zu chars needed %zu provided",
+		    rv, len);
+	}
+	return rv;
+}
+
+size_t
+estrlcat(char *dst, const char *src, size_t len)
+{
+	size_t rv;
+	if ((rv = strlcat(dst, src, len)) >= len) {
+		errno = ENAMETOOLONG;
+		(*efunc)(1,
+		    "Cannot append to string; %zu chars needed %zu provided",
+		    rv, len);
+	}
+	return rv;
+}
+
+char *
+estrdup(const char *s)
+{
+	char *d = strdup(s);
+	if (d == NULL)
+		(*efunc)(1, "Cannot copy string");
+	return d;
+}
+
+char *
+estrndup(const char *s, size_t len)
+{
+	char *d = strndup(s, len);
+	if (d == NULL)
+		(*efunc)(1, "Cannot copy string");
+	return d;
+}
+
+void *
+emalloc(size_t n)
+{
+	void *p = malloc(n);
+	if (p == NULL && n != 0)
+		(*efunc)(1, "Cannot allocate %zu bytes", n);
+	return p;
+}
+
+void *
+ecalloc(size_t n, size_t s)
+{
+	void *p = calloc(n, s);
+	if (p == NULL && n != 0 && s != 0)
+		(*efunc)(1, "Cannot allocate %zu blocks of size %zu", n, s);
+	return p;
+}
+
+void *
+erealloc(void *p, size_t n)
+{
+	void *q = realloc(p, n);
+	if (q == NULL && n != 0)
+		(*efunc)(1, "Cannot re-allocate %zu bytes", n);
+	return q;
+}
+
+FILE *
+efopen(const char *p, const char *m)
+{
+	FILE *fp = fopen(p, m);
+	if (fp == NULL)
+		(*efunc)(1, "Cannot open `%s'", p);
+	return fp;
+}
+
+int
+easprintf(char ** __restrict ret, const char * __restrict format, ...)
+{
+	int rv;
+	va_list ap;
+	va_start(ap, format);
+	if ((rv = vasprintf(ret, format, ap)) == -1)
+		(*efunc)(1, "Cannot format string");
+	va_end(ap);
+	return rv;
+}
+
+int
+evasprintf(char ** __restrict ret, const char * __restrict format, va_list ap)
+{
+	int rv;
+	if ((rv = vasprintf(ret, format, ap)) == -1)
+		(*efunc)(1, "Cannot format string");
+	return rv;
+}
diff --git a/lib/libnetbsd/glob.h b/lib/libnetbsd/glob.h
new file mode 100644
index 000000000000..874e3b307e49
--- /dev/null
+++ b/lib/libnetbsd/glob.h
@@ -0,0 +1,37 @@
+/*-
+ * Copyright (c) 2017 Dell, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
+ */
+
+#ifndef _LIBNETBSD_GLOB_H_
+#define _LIBNETBSD_GLOB_H_
+
+#include_next <glob.h>
+
+#ifndef	__gl_stat_t
+#define	__gl_stat_t struct stat
+#endif
+
+#endif
diff --git a/lib/libnetbsd/netinet/in.h b/lib/libnetbsd/netinet/in.h
new file mode 100644
index 000000000000..0167707f9f67
--- /dev/null
+++ b/lib/libnetbsd/netinet/in.h
@@ -0,0 +1,69 @@
+
+/*
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *	The Regents of the University of California.  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 University 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 REGENTS 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 REGENTS 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.
+ */
+
+#ifndef _LIBNETBSD_NETINET_IN_H_
+#define _LIBNETBSD_NETINET_IN_H_
+
+#include_next <netinet/in.h>
+
+/*
+ * Local port number conventions:
+ *
+ * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root),
+ * unless a kernel is compiled with IPNOPRIVPORTS defined.
+ *
+ * When a user does a bind(2) or connect(2) with a port number of zero,
+ * a non-conflicting local port address is chosen.
+ *
+ * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although
+ * that is settable by sysctl(3); net.inet.ip.anonportmin and
+ * net.inet.ip.anonportmax respectively.
+ *
+ * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
+ * default assignment range.
+ *
+ * The value IP_PORTRANGE_DEFAULT causes the default behavior.
+ *
+ * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT,
+ * and exists only for FreeBSD compatibility purposes.
+ *
+ * The value IP_PORTRANGE_LOW changes the range to the "low" are
+ * that is (by convention) restricted to privileged processes.
+ * This convention is based on "vouchsafe" principles only.
+ * It is only secure if you trust the remote host to restrict these ports.
+ * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX.
+ */
+
+#define	IPPORT_ANONMIN		49152
+#define	IPPORT_ANONMAX		65535
+#define	IPPORT_RESERVEDMIN	600
+#define	IPPORT_RESERVEDMAX	(IPPORT_RESERVED-1)
+
+#endif
diff --git a/lib/libnetbsd/pthread.h b/lib/libnetbsd/pthread.h
new file mode 100644
index 000000000000..f69c4e6f16ec
--- /dev/null
+++ b/lib/libnetbsd/pthread.h
@@ -0,0 +1,34 @@
+/*-
+ * Copyright (c) 2017 Dell, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
+ */
+
+#ifndef _LIBNETBSD_PTHREAD_H_
+#define _LIBNETBSD_PTHREAD_H_
+
+#include_next <pthread.h>
+#include <pthread_np.h>
+
+#endif
diff --git a/lib/libnetbsd/rmd160.h b/lib/libnetbsd/rmd160.h
new file mode 100644
index 000000000000..6aff4b7bcf1c
--- /dev/null
+++ b/lib/libnetbsd/rmd160.h
@@ -0,0 +1,45 @@
+
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2012 SRI International
+ * All rights reserved.
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
+ * ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef _RMD160_H_
+#define _RMD160_H_
+
+#include <ripemd.h>
+
+#define RMD160_CTX	RIPEMD160_CTX
+#define	RMD160End	RIPEMD160_End
+#define	RMD160File	RIPEMD160_File
+#define	RMD160Init	RIPEMD160_Init
+#define	RMD160Update	RIPEMD160_Update
+
+#endif /* _RMD160_H_ */
diff --git a/lib/libnetbsd/sha1.h b/lib/libnetbsd/sha1.h
new file mode 100644
index 000000000000..f74f465620c7
--- /dev/null
+++ b/lib/libnetbsd/sha1.h
@@ -0,0 +1,47 @@
+
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2012 SRI International
+ * All rights reserved.
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
+ * ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef _SHA1_H_
+#define _SHA1_H_
+
+#include <sha.h>
+
+#define	SHA1_CTX	SHA_CTX
+
+#define	SHA1End		SHA1_End
+#define	SHA1File	SHA1_File
+#define	SHA1Final	SHA1_Final
+#define	SHA1Init	SHA1_Init
+#define	SHA1Update	SHA1_Update
+
+#endif /* _SHA1_H_ */
diff --git a/lib/libnetbsd/sha2.h b/lib/libnetbsd/sha2.h
new file mode 100644
index 000000000000..6831e134bb86
--- /dev/null
+++ b/lib/libnetbsd/sha2.h
@@ -0,0 +1,41 @@
+
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2012 SRI International
+ * All rights reserved.
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
+ * ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef _SHA2_H_
+#define _SHA2_H_
+
+#include <sha256.h>
+#include <sha384.h>
+#include <sha512.h>
+
+#endif /* _SHA2_H_ */
diff --git a/lib/libnetbsd/sockaddr_snprintf.c b/lib/libnetbsd/sockaddr_snprintf.c
new file mode 100644
index 000000000000..3100852d1be1
--- /dev/null
+++ b/lib/libnetbsd/sockaddr_snprintf.c
@@ -0,0 +1,314 @@
+/*	$NetBSD: sockaddr_snprintf.c,v 1.14 2016/12/29 18:30:55 christos Exp $	*/
+
+/*-
+ * Copyright (c) 2004, 2016 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * 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.
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <netinet/in.h>
+#ifdef HAVE_NET_IF_DL_H
+#include <net/if_dl.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <util.h>
+#include <libutil.h>
+#include <netdb.h>
+
+#ifdef BSD4_4
+# define SALEN(sa)	((sa)->sa ## _len)
+#else
+# define SALEN(sa)	((unsigned)sizeof(*sa))
+#endif
+
+static int
+debug_in(char *str, size_t len, const struct sockaddr_in *sin)
+{
+	return snprintf(str, len, "sin_len=%u, sin_family=%u, sin_port=%u, "
+	    "sin_addr.s_addr=%08x",
+	    SALEN(sin), sin->sin_family, sin->sin_port,
+	    sin->sin_addr.s_addr);
+}
+
+static int
+debug_in6(char *str, size_t len, const struct sockaddr_in6 *sin6)
+{
+	const uint8_t *s = sin6->sin6_addr.s6_addr;
+
+	return snprintf(str, len, "sin6_len=%u, sin6_family=%u, sin6_port=%u, "
+	    "sin6_flowinfo=%u, "
+	    "sin6_addr=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:"
+	    "%02x:%02x:%02x:%02x:%02x:%02x, sin6_scope_id=%u",
+	    SALEN(sin6), sin6->sin6_family, sin6->sin6_port,
+	    sin6->sin6_flowinfo, s[0x0], s[0x1], s[0x2], s[0x3], s[0x4], s[0x5],
+	    s[0x6], s[0x7], s[0x8], s[0x9], s[0xa], s[0xb], s[0xc], s[0xd],
+	    s[0xe], s[0xf], sin6->sin6_scope_id);
+}
+
+static int
+debug_un(char *str, size_t len, const struct sockaddr_un *sun)
+{
+	return snprintf(str, len, "sun_len=%u, sun_family=%u, sun_path=%*s",
+	    SALEN(sun), sun->sun_family, (int)sizeof(sun->sun_path),
+	    sun->sun_path);
+}
+
+#ifdef HAVE_NET_IF_DL_H
+static int
+debug_dl(char *str, size_t len, const struct sockaddr_dl *sdl)
+{
+	const uint8_t *s = (const void *)sdl->sdl_data;
+
+	return snprintf(str, len, "sdl_len=%u, sdl_family=%u, sdl_index=%u, "
+	    "sdl_type=%u, sdl_nlen=%u, sdl_alen=%u, sdl_slen=%u, sdl_data="
+	    "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
+	    SALEN(sdl), sdl->sdl_family, sdl->sdl_index,
+	    sdl->sdl_type, sdl->sdl_nlen, sdl->sdl_alen, sdl->sdl_slen,
+	    s[0x0], s[0x1], s[0x2], s[0x3], s[0x4], s[0x5],
+	    s[0x6], s[0x7], s[0x8], s[0x9], s[0xa], s[0xb]);
+}
+#endif
+
+int
+sockaddr_snprintf(char * const sbuf, const size_t len, const char * const fmt,
+    const struct sockaddr * const sa)
+{
+	const void *a = NULL;
+	char abuf[1024], nbuf[1024], *addr = NULL;
+	char Abuf[1024], pbuf[32], *name = NULL, *port = NULL;
+	char *ebuf = &sbuf[len - 1], *buf = sbuf;
+	const char *ptr, *s;
+	size_t salen;
+	int p = -1;
+	const struct sockaddr_in *sin4 = NULL;
+	const struct sockaddr_in6 *sin6 = NULL;
+	const struct sockaddr_un *sun = NULL;
+#ifdef HAVE_NET_IF_DL_H
+	const struct sockaddr_dl *sdl = NULL;
+	char *w = NULL;
+#endif
+	int na = 1;
+
+#define ADDC(c) do { if (buf < ebuf) *buf++ = c; else buf++; } \
+	while (/*CONSTCOND*/0)
+#define ADDS(p) do { for (s = p; *s; s++) ADDC(*s); } \
+	while (/*CONSTCOND*/0)
+#define ADDNA() do { if (na) ADDS("N/A"); } \
+	while (/*CONSTCOND*/0)
+
+	switch (sa->sa_family) {
+	case AF_UNSPEC:
+		goto done;
+	case AF_LOCAL:
+		salen = sizeof(*sun);
+		sun = ((const struct sockaddr_un *)(const void *)sa);
+		(void)strlcpy(addr = abuf, sun->sun_path, sizeof(abuf));
+		break;
+	case AF_INET:
+		salen = sizeof(*sin4);
+		sin4 = ((const struct sockaddr_in *)(const void *)sa);
+		p = ntohs(sin4->sin_port);
+		a = &sin4->sin_addr;
+		break;
+	case AF_INET6:
+		salen = sizeof(*sin6);
+		sin6 = ((const struct sockaddr_in6 *)(const void *)sa);
+		p = ntohs(sin6->sin6_port);
+		a = &sin6->sin6_addr;
+		break;
+#ifdef HAVE_NET_IF_DL_H
+	case AF_LINK:
+		sdl = ((const struct sockaddr_dl *)(const void *)sa);
+		addr = abuf;
+		if (sdl->sdl_slen == 0 && sdl->sdl_nlen == 0
+		    && sdl->sdl_alen == 0) {
+			salen = sizeof(*sdl);
+			(void)snprintf(abuf, sizeof(abuf), "link#%hu",
+			    sdl->sdl_index);
+		} else {
+			salen = sdl->sdl_slen + sdl->sdl_nlen +  sdl->sdl_alen;
+			if (salen < sizeof(*sdl))
+				salen = sizeof(*sdl);
+			(void)strlcpy(abuf, link_ntoa(sdl), sizeof(abuf));
+			if ((w = strchr(addr, ':')) != NULL) {
+			    *w++ = '\0';
+			    addr = w;
+			}
+		}
+		break;
+#endif
+	default:
+		errno = EAFNOSUPPORT;
+		return -1;
+	}
+
+	if (addr == abuf)
+		name = addr;
+
+	if (a && getnameinfo(sa, (socklen_t)salen, addr = abuf,
+	    (unsigned int)sizeof(abuf), NULL, 0,
+	    NI_NUMERICHOST|NI_NUMERICSERV) != 0)
+		return -1;
+
+	for (ptr = fmt; *ptr; ptr++) {
+		if (*ptr != '%') {
+			ADDC(*ptr);
+			continue;
+		}
+	  next_char:
+		switch (*++ptr) {
+		case '?':
+			na = 0;
+			goto next_char;
+		case 'a':
+			ADDS(addr);
+			break;
+		case 'p':
+			if (p != -1) {
+				(void)snprintf(nbuf, sizeof(nbuf), "%d", p);
+				ADDS(nbuf);
+			} else
+				ADDNA();
+			break;
+		case 'f':
+			(void)snprintf(nbuf, sizeof(nbuf), "%d", sa->sa_family);
+			ADDS(nbuf);
+			break;
+		case 'l':
+			(void)snprintf(nbuf, sizeof(nbuf), "%zu", salen);
+			ADDS(nbuf);
+			break;
+		case 'A':
+			if (name)
+				ADDS(name);
+			else if (!a)
+				ADDNA();
+			else {
+				getnameinfo(sa, (socklen_t)salen, name = Abuf,
+					(unsigned int)sizeof(nbuf), NULL, 0, 0);
+				ADDS(name);
+			}
+			break;
+		case 'P':
+			if (port)
+				ADDS(port);
+			else if (p == -1)
+				ADDNA();
+			else {
+				getnameinfo(sa, (socklen_t)salen, NULL, 0,
+					port = pbuf,
+					(unsigned int)sizeof(pbuf), 0);
+				ADDS(port);
+			}
+			break;
+		case 'I':
+#ifdef HAVE_NET_IF_DL_H
+			if (sdl && addr != abuf) {
+				ADDS(abuf);
+			} else
+#endif
+			{
+				ADDNA();
+			}
+			break;
+		case 'F':
+			if (sin6) {
+				(void)snprintf(nbuf, sizeof(nbuf), "%d",
+				    sin6->sin6_flowinfo);
+				ADDS(nbuf);
+				break;
+			} else {
+				ADDNA();
+			}
+			break;
+		case 'S':
+			if (sin6) {
+				(void)snprintf(nbuf, sizeof(nbuf), "%d",
+				    sin6->sin6_scope_id);
+				ADDS(nbuf);
+				break;
+			} else {
+				ADDNA();
+			}
+			break;
+		case 'R':
+			{
+				ADDNA();
+			}
+			break;
+		case 'D':
+			switch (sa->sa_family) {
+			case AF_LOCAL:
+				debug_un(nbuf, sizeof(nbuf), sun);
+				break;
+			case AF_INET:
+				debug_in(nbuf, sizeof(nbuf), sin4);
+				break;
+			case AF_INET6:
+				debug_in6(nbuf, sizeof(nbuf), sin6);
+				break;
+#ifdef HAVE_NET_IF_DL_H
+			case AF_LINK:
+				debug_dl(nbuf, sizeof(nbuf), sdl);
+				break;
+#endif
+			default:
+				abort();
+			}
+			ADDS(nbuf);
+			break;
+		default:
+			ADDC('%');
+			if (na == 0)
+				ADDC('?');
+			if (*ptr == '\0')
+				goto done;
+			/*FALLTHROUGH*/
+		case '%':
+			ADDC(*ptr);
+			break;
+		}
+		na = 1;
+	}
+done:
+	if (buf < ebuf)
+		*buf = '\0';
+	else if (len != 0)
+		sbuf[len - 1] = '\0';
+	return (int)(buf - sbuf);
+}
diff --git a/lib/libnetbsd/stdlib.h b/lib/libnetbsd/stdlib.h
new file mode 100644
index 000000000000..82ce33420492
--- /dev/null
+++ b/lib/libnetbsd/stdlib.h
@@ -0,0 +1,71 @@
+
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2012 SRI International
+ * Copyright (c) 2001-2002,2004 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Luke Mewburn.
+ *
+ * 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.
+ */
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  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 University 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 REGENTS 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 REGENTS 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.
+ */
+
+#ifndef _LIBNETBSD_STDLIB_H_
+#define _LIBNETBSD_STDLIB_H_
+
+#include_next <stdlib.h>
+
+long long strsuftoll(const char *, const char *, long long, long long);
+long long strsuftollx(const char *, const char *,
+    long long, long long, char *, size_t);
+
+#endif /* _LIBNETBSD_STDLIB_H_ */
diff --git a/lib/libnetbsd/strsuftoll.c b/lib/libnetbsd/strsuftoll.c
new file mode 100644
index 000000000000..df324f096271
--- /dev/null
+++ b/lib/libnetbsd/strsuftoll.c
@@ -0,0 +1,221 @@
+/*	$NetBSD: strsuftoll.c,v 1.6 2004/03/05 05:58:29 lukem Exp $	*/
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2001-2002,2004 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Luke Mewburn.
+ *
+ * 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.
+ */
+/*-
+ * Copyright (c) 1991, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Keith Muller of the University of California, San Diego and Lance
+ * Visser of Convex Computer Corporation.
+ *
+ * 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 University 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 REGENTS 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 REGENTS 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 <sys/types.h>
+#include <sys/time.h>
+
+#include <assert.h>
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef _LIBC
+# ifdef __weak_alias
+__weak_alias(strsuftoll, _strsuftoll)
+__weak_alias(strsuftollx, _strsuftollx)
+# endif
+#endif /* LIBC */
+
+/*
+ * Convert an expression of the following forms to a (u)int64_t.
+ * 	1) A positive decimal number.
+ *	2) A positive decimal number followed by a b (mult by 512).
+ *	3) A positive decimal number followed by a k (mult by 1024).
+ *	4) A positive decimal number followed by a m (mult by 1048576).
+ *	5) A positive decimal number followed by a g (mult by 1073741824).
+ *	6) A positive decimal number followed by a t (mult by 1099511627776).
+ *	7) A positive decimal number followed by a w (mult by sizeof int)
+ *	8) Two or more positive decimal numbers (with/without k,b or w).
+ *	   separated by x (also * for backwards compatibility), specifying
+ *	   the product of the indicated values.
+ * Returns the result upon successful conversion, or exits with an
+ * appropriate error.
+ * 
+ */
+
+/*
+ * As strsuftoll(), but returns the error message into the provided buffer
+ * rather than exiting with it.
+ */
+/* LONGLONG */
+long long
+strsuftollx(const char *desc, const char *val,
+    long long min, long long max, char *ebuf, size_t ebuflen)
+{
+	long long num, t;
+	char	*expr;
+
+	errno = 0;
+	ebuf[0] = '\0';
+
+	while (isspace((unsigned char)*val))	/* Skip leading space */
+		val++;
+
+	num = strtoll(val, &expr, 10);
+	if (errno == ERANGE)
+		goto erange;			/* Overflow */
+
+	if (expr == val)			/* No digits */
+		goto badnum;
+
+	switch (*expr) {
+	case 'b':
+		t = num;
+		num *= 512;			/* 1 block */
+		if (t > num)
+			goto erange;
+		++expr;
+		break;
+	case 'k':
+		t = num;
+		num *= 1024;			/* 1 kilobyte */
+		if (t > num)
+			goto erange;
+		++expr;
+		break;
+	case 'm':
+		t = num;
+		num *= 1048576;			/* 1 megabyte */
+		if (t > num)
+			goto erange;
+		++expr;
+		break;
+	case 'g':
+		t = num;
+		num *= 1073741824;		/* 1 gigabyte */
+		if (t > num)
+			goto erange;
+		++expr;
+		break;
+	case 't':
+		t = num;
+		num *= 1099511627776LL;		/* 1 terabyte */
+		if (t > num)
+			goto erange;
+		++expr;
+		break;
+	case 'w':
+		t = num;
+		num *= sizeof(int);		/* 1 word */
+		if (t > num)
+			goto erange;
+		++expr;
+		break;
+	}
+
+	switch (*expr) {
+	case '\0':
+		break;
+	case '*':				/* Backward compatible */
+	case 'x':
+		t = num;
+		num *= strsuftollx(desc, expr + 1, min, max, ebuf, ebuflen);
+		if (*ebuf != '\0')
+			return (0);
+		if (t > num) {
+ erange:	 	
+			snprintf(ebuf, ebuflen,
+			    "%s: %s", desc, strerror(ERANGE));
+			return (0);
+		}
+		break;
+	default:
+ badnum:	snprintf(ebuf, ebuflen,
+		    "%s `%s': illegal number", desc, val);
+		return (0);
+	}
+	if (num < min) {
+			/* LONGLONG */
+		snprintf(ebuf, ebuflen, "%s %lld is less than %lld.",
+		    desc, (long long)num, (long long)min);
+		return (0);
+	}
+	if (num > max) {
+			/* LONGLONG */
+		snprintf(ebuf, ebuflen,
+		    "%s %lld is greater than %lld.",
+		    desc, (long long)num, (long long)max);
+		return (0);
+	}
+	*ebuf = '\0';
+	return (num);
+}
+
+/* LONGLONG */
+long long
+strsuftoll(const char *desc, const char *val,
+    long long min, long long max)
+{
+	long long result;
+	char	errbuf[100];
+
+	result = strsuftollx(desc, val, min, max, errbuf, sizeof(errbuf));
+	if (*errbuf != '\0')
+		errx(1, "%s", errbuf);
+	return (result);
+}
diff --git a/lib/libnetbsd/sys/cdefs.h b/lib/libnetbsd/sys/cdefs.h
new file mode 100644
index 000000000000..8da812693961
--- /dev/null
+++ b/lib/libnetbsd/sys/cdefs.h
@@ -0,0 +1,84 @@
+
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2012 SRI International
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  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 University 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 REGENTS 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 REGENTS 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.
+ */
+
+#ifndef _LIBNETBSD_SYS_CDEFS_H_
+#define _LIBNETBSD_SYS_CDEFS_H_
+
+#include_next <sys/cdefs.h>
+
+#ifndef __dead
+#ifdef __dead2
+#define __dead __dead2
+#else
+#define __dead
+#endif
+#endif /* !__dead */
+
+/*
+ * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
+ * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
+ * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
+ * in between its arguments.  __CONCAT can also concatenate double-quoted
+ * strings produced by the __STRING macro, but this only works with ANSI C.
+ */
+
+#define	___STRING(x)	__STRING(x)
+#define	___CONCAT(x,y)	__CONCAT(x,y)
+
+/*
+ * The following macro is used to remove const cast-away warnings
+ * from gcc -Wcast-qual; it should be used with caution because it
+ * can hide valid errors; in particular most valid uses are in
+ * situations where the API requires it, not to cast away string
+ * constants. We don't use *intptr_t on purpose here and we are
+ * explicit about unsigned long so that we don't have additional
+ * dependencies.
+ */
+#define __UNCONST(a)	((void *)(unsigned long)(const void *)(a))
+
+/*
+ * Return the number of elements in a statically-allocated array,
+ * __x.
+ */
+#define	__arraycount(__x)	(sizeof(__x) / sizeof(__x[0]))
+
+/* __BIT(n): nth bit, where __BIT(0) == 0x1. */
+#define	__BIT(__n)	\
+    (((uintmax_t)(__n) >= NBBY * sizeof(uintmax_t)) ? 0 : \
+    ((uintmax_t)1 << (uintmax_t)((__n) & (NBBY * sizeof(uintmax_t) - 1))))
+
+/* __BITS(m, n): bits m through n, m < n. */
+#define	__BITS(__m, __n)	\
+	((__BIT(MAX((__m), (__n)) + 1) - 1) ^ (__BIT(MIN((__m), (__n))) - 1))
+
+#endif /* _LIBNETBSD_SYS_CDEFS_H_ */
diff --git a/lib/libnetbsd/sys/event.h b/lib/libnetbsd/sys/event.h
new file mode 100644
index 000000000000..7b5b11e1934f
--- /dev/null
+++ b/lib/libnetbsd/sys/event.h
@@ -0,0 +1,41 @@
+/*-
+ * Copyright (c) 2017 Dell, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ */
+
+#ifndef _LIBNETBSD_SYS_EVENT_H_
+#define	_LIBNETBSD_SYS_EVENT_H_
+
+/*
+ * kqueue on FreeBSD requires sys/event.h, which in turn uses uintptr_t
+ * (defined in sys/types.h), so in order to accommodate their requirements,
+ * pull in sys/types.h as part of event.h.
+ */
+#include <sys/types.h>
+
+#include_next <sys/event.h>
+
+#endif
diff --git a/lib/libnetbsd/sys/types.h b/lib/libnetbsd/sys/types.h
new file mode 100644
index 000000000000..97040b5cdec2
--- /dev/null
+++ b/lib/libnetbsd/sys/types.h
@@ -0,0 +1,36 @@
+/*-
+ * Copyright (c) 2017 Dell, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ */
+
+#ifndef _LIBNETBSD_SYS_TYPES_H_
+#define	_LIBNETBSD_SYS_TYPES_H_
+
+#include_next <sys/types.h>
+
+#include <sys/param.h>	/* For NBBY */
+
+#endif
diff --git a/lib/libnetbsd/sys/wait.h b/lib/libnetbsd/sys/wait.h
new file mode 100644
index 000000000000..5227efbfb486
--- /dev/null
+++ b/lib/libnetbsd/sys/wait.h
@@ -0,0 +1,36 @@
+/*-
+ * Copyright (c) 2017 Dell, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ */
+
+#ifndef _LIBNETBSD_SYS_WAIT_H_
+#define	_LIBNETBSD_SYS_WAIT_H_
+
+#include_next <sys/wait.h>
+
+#define	wrusage	__wrusage
+
+#endif
diff --git a/lib/libnetbsd/util.c b/lib/libnetbsd/util.c
new file mode 100644
index 000000000000..dee9d61dd832
--- /dev/null
+++ b/lib/libnetbsd/util.c
@@ -0,0 +1,59 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2012 SRI International
+ * All rights reserved.
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
+ * ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * 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 AUTHOR 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 AUTHOR 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 <sys/types.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "util.h"
+
+char *
+flags_to_string(u_long flags, const char *def)
+{
+	char *str;
+
+	str = fflagstostr(flags);
+	if (*str == '\0') {
+		free(str);
+		str = strdup(def);
+	}
+	return (str);
+}
+
+int
+string_to_flags(char **stringp, u_long *setp, u_long *clrp)
+{
+
+	return strtofflags(stringp, setp, clrp);
+}
diff --git a/lib/libnetbsd/util.h b/lib/libnetbsd/util.h
new file mode 100644
index 000000000000..1fbd2eee0ebc
--- /dev/null
+++ b/lib/libnetbsd/util.h
@@ -0,0 +1,59 @@
+
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2012 SRI International
+ * Copyright (c) 1995
+ *	The Regents of the University of California.  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 University 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 REGENTS 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 REGENTS 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.
+ */
+
+#ifndef _LIBNETBSD_UTIL_H_
+#define _LIBNETBSD_UTIL_H_
+
+#include <sys/types.h>
+#include <libutil.h>
+#include <stdio.h>
+
+void	(*esetfunc(void (*)(int, const char *, ...)))(int, const char *, ...);
+size_t	 estrlcpy(char *, const char *, size_t);
+size_t	 estrlcat(char *, const char *, size_t);
+char	*estrdup(const char *);
+char	*estrndup(const char *, size_t);
+void	*emalloc(size_t);
+void	*ecalloc(size_t, size_t);
+void	*erealloc(void *, size_t);
+FILE	*efopen(const char *, const char *);
+int	 easprintf(char ** __restrict, const char * __restrict, ...)
+	    __printflike(2, 3);
+int	 evasprintf(char ** __restrict, const char * __restrict, __va_list)
+	    __printflike(2, 0);
+char	*flags_to_string(u_long flags, const char *def);
+int	 sockaddr_snprintf(char *, size_t, const char *,
+			   const struct sockaddr *);
+int	 string_to_flags(char **stringp, u_long *setp, u_long *clrp);
+
+#endif