Move rrdbot code into right project.

6 files changed, 0 insertions, 2487 deletions

diff --git a/src/bsnmp/Makefile.am b/src/bsnmp/Makefile.am
deleted file mode 100644
index 7a7a739..0000000
--- a/src/bsnmp/Makefile.am
+++ /dev/null
@@ -1,4 +0,0 @@
-
-noinst_LIBRARIES = libbsnmp-custom.a
-libbsnmp_custom_a_SOURCES = asn1.c asn1.h snmp.c snmp.h snmppriv.h
-
diff --git a/src/bsnmp/asn1.c b/src/bsnmp/asn1.c
deleted file mode 100644
index 8a206ee..0000000
--- a/src/bsnmp/asn1.c
+++ /dev/null
@@ -1,1000 +0,0 @@
-/*
- * Copyright (c) 2001-2003
- *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
- *	All rights reserved.
- *
- * Author: Harti Brandt <harti@freebsd.org>
- *
- * 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 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 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.
- *
- * $Begemot: bsnmp/lib/asn1.c,v 1.28 2004/08/06 08:46:49 brandt Exp $
- *
- * ASN.1 for SNMP.
- */
-#include <sys/types.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <stdint.h>
-#include <assert.h>
-#include "asn1.h"
-
-static void asn_error_func(const struct asn_buf *, const char *, ...);
-
-void (*asn_error)(const struct asn_buf *, const char *, ...) = asn_error_func;
-
-/*
- * Read the next header. This reads the tag (note, that only single
- * byte tags are supported for now) and the length field. The length field
- * is restricted to a 32-bit value.
- * All errors of this function stop the decoding.
- */
-enum asn_err
-asn_get_header(struct asn_buf *b, u_char *type, asn_len_t *len)
-{
-	u_int length;
-
-	if (b->asn_len == 0) {
-		asn_error(b, "no identifier for header");
-		return (ASN_ERR_EOBUF);
-	}
-	*type = *b->asn_cptr;
-	if ((*type & ASN_TYPE_MASK) > 0x30) {
-		asn_error(b, "types > 0x30 not supported (%u)",
-		    *type & ASN_TYPE_MASK);
-		return (ASN_ERR_FAILED);
-	}
-	b->asn_cptr++;
-	b->asn_len--;
-	if (b->asn_len == 0) {
-		asn_error(b, "no length field");
-		return (ASN_ERR_EOBUF);
-	}
-	if (*b->asn_cptr & 0x80) {
-		length = *b->asn_cptr++ & 0x7f;
-		b->asn_len--;
-		if (length == 0) {
-			asn_error(b, "indefinite length not supported");
-			return (ASN_ERR_FAILED);
-		}
-		if (length > ASN_MAXLENLEN) {
-			asn_error(b, "long length too long (%u)", length);
-			return (ASN_ERR_FAILED);
-		}
-		if (length > b->asn_len) {
-			asn_error(b, "long length truncated");
-			return (ASN_ERR_EOBUF);
-		}
-		*len = 0;
-		while (length--) {
-			*len = (*len << 8) | *b->asn_cptr++;
-			b->asn_len--;
-		}
-	} else {
-		*len = *b->asn_cptr++;
-		b->asn_len--;
-	}
-	return (ASN_ERR_OK);
-}
-
-/*
- * Write a length field (restricted to values < 2^32-1) and return the
- * number of bytes this field takes. If ptr is NULL, the length is computed
- * but nothing is written. If the length would be too large return 0.
- */
-static u_int
-asn_put_len(u_char *ptr, asn_len_t len)
-{
-	u_int lenlen, lenlen1;
-	asn_len_t tmp;
-
-	if (len > ASN_MAXLEN) {
-		asn_error(NULL, "encoding length too long: (%u)", len);
-		return (0);
-	}
-
-	if (len <= 127) {
-		if (ptr)
-			*ptr++ = (u_char)len;
-		return (1);
-	} else {
-		lenlen = 0;
-		/* compute number of bytes for value (is at least 1) */
-		for (tmp = len; tmp != 0; tmp >>= 8)
-			lenlen++;
-		if (ptr != NULL) {
-			*ptr++ = (u_char)lenlen | 0x80;
-			lenlen1 = lenlen;
-			while (lenlen1-- > 0) {
-				ptr[lenlen1] = len & 0xff;
-				len >>= 8;
-			}
-		}
-		return (lenlen + 1);
-	}
-}
-
-/*
- * Write a header (tag and length fields).
- * Tags are restricted to one byte tags (value <= 0x30) and the
- * lenght field to 16-bit. All errors stop the encoding.
- */
-enum asn_err
-asn_put_header(struct asn_buf *b, u_char type, asn_len_t len)
-{
-	u_int lenlen;
-
-	/* tag field */
-	if ((type & ASN_TYPE_MASK) > 0x30) {
-		asn_error(NULL, "types > 0x30 not supported (%u)",
-		    type & ASN_TYPE_MASK);
-		return (ASN_ERR_FAILED);
-	}
-	if (b->asn_len == 0)
-		return (ASN_ERR_EOBUF);
-
-	*b->asn_ptr++ = type;
-	b->asn_len--;
-
-	/* length field */
-	if ((lenlen = asn_put_len(NULL, len)) == 0)
-		return (ASN_ERR_FAILED);
-	if (b->asn_len < lenlen)
-		return (ASN_ERR_EOBUF);
-
-	(void)asn_put_len(b->asn_ptr, len);
-	b->asn_ptr += lenlen;
-	b->asn_len -= lenlen;
-	return (ASN_ERR_OK);
-}
-
-
-/*
- * This constructs a temporary sequence header with space for the maximum
- * length field (three byte). Set the pointer that ptr points to to the
- * start of the encoded header. This is used for a later call to
- * asn_commit_header which will fix-up the length field and move the
- * value if needed. All errors should stop the encoding.
- */
-#define	TEMP_LEN (1 + ASN_MAXLENLEN + 1)
-enum asn_err
-asn_put_temp_header(struct asn_buf *b, u_char type, u_char **ptr)
-{
-	int ret;
-
-	if (b->asn_len < TEMP_LEN)
-		return (ASN_ERR_EOBUF);
-	*ptr = b->asn_ptr;
-	if ((ret = asn_put_header(b, type, ASN_MAXLEN)) == ASN_ERR_OK)
-		assert(b->asn_ptr == *ptr + TEMP_LEN);
-	return (ret);
-}
-enum asn_err
-asn_commit_header(struct asn_buf *b, u_char *ptr)
-{
-	asn_len_t len;
-	u_int lenlen, shift;
-
-	/* compute length of encoded value without header */
-	len = b->asn_ptr - (ptr + TEMP_LEN);
-
-	/* insert length. may not fail. */
-	lenlen = asn_put_len(ptr + 1, len);
-	if (lenlen > TEMP_LEN - 1)
-		return (ASN_ERR_FAILED);
-
-	if (lenlen < TEMP_LEN - 1) {
-		/* shift value down */
-		shift = (TEMP_LEN - 1) - lenlen;
-		memmove(ptr + 1 + lenlen, ptr + TEMP_LEN, len);
-		b->asn_ptr -= shift;
-		b->asn_len += shift;
-	}
-	return (ASN_ERR_OK);
-}
-#undef TEMP_LEN
-
-/*
- * BER integer. This may be used to get a signed 64 bit integer at maximum.
- * The maximum length should be checked by the caller. This cannot overflow
- * if the caller ensures that len is at maximum 8.
- *
- * <bytes>
- */
-static enum asn_err
-asn_get_real_integer(struct asn_buf *b, asn_len_t len, int64_t *vp)
-{
-	uint64_t val;
-	int neg = 0;
-	enum asn_err err;
-
-	if (b->asn_len < len) {
-		asn_error(b, "truncated integer");
-		return (ASN_ERR_EOBUF);
-	}
-	if (len == 0) {
-		asn_error(b, "zero-length integer");
-		*vp = 0;
-		return (ASN_ERR_BADLEN);
-	}
-	err = ASN_ERR_OK;
-	if (len > 8)
-		err = ASN_ERR_RANGE;
-	else if (len > 1 &&
-	    ((*b->asn_cptr == 0x00 && (b->asn_cptr[1] & 0x80) == 0) ||
-	    (*b->asn_cptr == 0xff && (b->asn_cptr[1] & 0x80) == 0x80))) {
-		asn_error(b, "non-minimal integer");
-		err = ASN_ERR_BADLEN;
-	}
-
-	if (*b->asn_cptr & 0x80)
-		neg = 1;
-	val = 0;
-	while (len--) {
-		val <<= 8;
-		val |= neg ? (u_char)~*b->asn_cptr : *b->asn_cptr;
-		b->asn_len--;
-		b->asn_cptr++;
-	}
-	if (neg) {
-		*vp = -(int64_t)val - 1;
-	} else
-		*vp = (int64_t)val;
-	return (err);
-}
-
-/*
- * Write a signed integer with the given type. The caller has to ensure
- * that the actual value is ok for this type.
- */
-static enum asn_err
-asn_put_real_integer(struct asn_buf *b, u_char type, int64_t ival)
-{
-	int i, neg = 0;
-# define OCTETS 8
-	u_char buf[OCTETS];
-	uint64_t val;
-	enum asn_err ret;
-
-	if (ival < 0) {
-		/* this may fail if |INT64_MIN| > |INT64_MAX| and
-		 * the value is between * INT64_MIN <= ival < -(INT64_MAX+1) */
-		val = (uint64_t)-(ival + 1);
-		neg = 1;
-	} else
-		val = (uint64_t)ival;
-
-	/* split the value into octets */
-	for (i = OCTETS - 1; i >= 0; i--) {
-		buf[i] = val & 0xff;
-		if (neg)
-			buf[i] = ~buf[i];
-		val >>= 8;
-	}
-	/* no leading 9 zeroes or ones */
-	for (i = 0; i < OCTETS - 1; i++)
-		if (!((buf[i] == 0xff && (buf[i + 1] & 0x80) != 0) ||
-		    (buf[i] == 0x00 && (buf[i + 1] & 0x80) == 0)))
-			break;
-	if ((ret = asn_put_header(b, type, OCTETS - i)))
-		return (ret);
-	if (OCTETS - (u_int)i > b->asn_len)
-		return (ASN_ERR_EOBUF);
-
-	while (i < OCTETS) {
-		*b->asn_ptr++ = buf[i++];
-		b->asn_len--;
-	}
-	return (ASN_ERR_OK);
-# undef OCTETS
-}
-
-
-/*
- * The same for unsigned 64-bitters. Here we have the problem, that overflow
- * can happen, because the value maybe 9 bytes long. In this case the
- * first byte must be 0.
- */
-static enum asn_err
-asn_get_real_unsigned(struct asn_buf *b, asn_len_t len, uint64_t *vp)
-{
-	enum asn_err err;
-
-	if (b->asn_len < len) {
-		asn_error(b, "truncated integer");
-		return (ASN_ERR_EOBUF);
-	}
-	if (len == 0) {
-		asn_error(b, "zero-length integer");
-		*vp = 0;
-		return (ASN_ERR_BADLEN);
-	}
-	err = ASN_ERR_OK;
-	*vp = 0;
-	if ((*b->asn_cptr & 0x80) || (len == 9 && *b->asn_cptr != 0)) {
-		/* negative integer or too larger */
-		*vp = 0xffffffffffffffffULL;
-		err = ASN_ERR_RANGE;
-	} else if (len > 1 &&
-	    *b->asn_cptr == 0x00 && (b->asn_cptr[1] & 0x80) == 0) {
-		asn_error(b, "non-minimal unsigned");
-		err = ASN_ERR_BADLEN;
-	}
-
-	while (len--) {
-		*vp = (*vp << 8) | *b->asn_cptr++;
-		b->asn_len--;
-	}
-	return (err);
-}
-
-
-/*
- * Values with the msb on need 9 octets.
- */
-static int
-asn_put_real_unsigned(struct asn_buf *b, u_char type, uint64_t val)
-{
-	int i;
-# define OCTETS 9
-	u_char buf[OCTETS];
-	enum asn_err ret;
-
-	/* split the value into octets */
-	for (i = OCTETS - 1; i >= 0; i--) {
-		buf[i] = val & 0xff;
-		val >>= 8;
-	}
-	/* no leading 9 zeroes */
-	for (i = 0; i < OCTETS - 1; i++)
-		if (!(buf[i] == 0x00 && (buf[i + 1] & 0x80) == 0))
-			break;
-	if ((ret = asn_put_header(b, type, OCTETS - i)))
-		return (ret);
-	if (OCTETS - (u_int)i > b->asn_len)
-		return (ASN_ERR_EOBUF);
-
-	while (i < OCTETS) {
-		*b->asn_ptr++ = buf[i++];
-		b->asn_len--;
-	}
-#undef OCTETS
-	return (ASN_ERR_OK);
-}
-
-/*
- * The ASN.1 INTEGER type is restricted to 32-bit signed by the SMI.
- */
-enum asn_err
-asn_get_integer_raw(struct asn_buf *b, asn_len_t len, int32_t *vp)
-{
-	int64_t val;
-	enum asn_err ret;
-
-	if ((ret = asn_get_real_integer(b, len, &val)) == ASN_ERR_OK) {
-		if (len > 4)
-			ret = ASN_ERR_BADLEN;
-		else if (val > INT32_MAX || val < INT32_MIN)
-			/* may not happen */
-			ret = ASN_ERR_RANGE;
-		*vp = (int32_t)val;
-	}
-	return (ret);
-}
-
-enum asn_err
-asn_get_integer(struct asn_buf *b, int32_t *vp)
-{
-	asn_len_t len;
-	u_char type;
-	enum asn_err err;
-
-	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)
-		return (err);
-	if (type != ASN_TYPE_INTEGER) {
-		asn_error(b, "bad type for integer (%u)", type);
-		return (ASN_ERR_TAG);
-	}
-
-	return (asn_get_integer_raw(b, len, vp));
-}
-
-enum asn_err
-asn_put_integer(struct asn_buf *b, int32_t val)
-{
-	return (asn_put_real_integer(b, ASN_TYPE_INTEGER, val));
-}
-
-/*
- * OCTETSTRING
- *
- * <0x04> <len> <data ...>
- *
- * Get an octetstring. noctets must point to the buffer size and on
- * return will contain the size of the octetstring, regardless of the
- * buffer size.
- */
-enum asn_err
-asn_get_octetstring_raw(struct asn_buf *b, asn_len_t len, u_char *octets,
-    u_int *noctets)
-{
-	enum asn_err err = ASN_ERR_OK;
-
-	if (*noctets < len) {
-		asn_error(b, "octetstring truncated");
-		err = ASN_ERR_RANGE;
-	}
-	if (b->asn_len < len) {
-		asn_error(b, "truncatet octetstring");
-		return (ASN_ERR_EOBUF);
-	}
-	if (*noctets < len)
-		memcpy(octets, b->asn_cptr, *noctets);
-	else
-		memcpy(octets, b->asn_cptr, len);
-	*noctets = len;
-	b->asn_cptr += len;
-	b->asn_len -= len;
-	return (err);
-}
-
-enum asn_err
-asn_get_octetstring(struct asn_buf *b, u_char *octets, u_int *noctets)
-{
-	enum asn_err err;
-	u_char type;
-	asn_len_t len;
-
-	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)
-		return (err);
-	if (type != ASN_TYPE_OCTETSTRING) {
-		asn_error(b, "bad type for octetstring (%u)", type);
-		return (ASN_ERR_TAG);
-	}
-	return (asn_get_octetstring_raw(b, len, octets, noctets));
-}
-
-enum asn_err
-asn_put_octetstring(struct asn_buf *b, const u_char *octets, u_int noctets)
-{
-	enum asn_err ret;
-
-	if ((ret = asn_put_header(b, ASN_TYPE_OCTETSTRING, noctets)) != ASN_ERR_OK)
-		return (ret);
-	if (b->asn_len < noctets)
-		return (ASN_ERR_EOBUF);
-
-	memcpy(b->asn_ptr, octets, noctets);
-	b->asn_ptr += noctets;
-	b->asn_len -= noctets;
-	return (ASN_ERR_OK);
-}
-
-/*
- * NULL
- *
- * <0x05> <0x00>
- */
-enum asn_err
-asn_get_null_raw(struct asn_buf *b, asn_len_t len)
-{
-	if (len != 0) {
-		if (b->asn_len < len) {
-			asn_error(b, "truncated NULL");
-			return (ASN_ERR_EOBUF);
-		}
-		asn_error(b, "bad length for NULL (%u)", len);
-		b->asn_len -= len;
-		b->asn_ptr += len;
-		return (ASN_ERR_BADLEN);
-	}
-	return (ASN_ERR_OK);
-}
-
-enum asn_err
-asn_get_null(struct asn_buf *b)
-{
-	u_char type;
-	asn_len_t len;
-	enum asn_err err;
-
-	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)
-		return (err);
-	if (type != ASN_TYPE_NULL) {
-		asn_error(b, "bad type for NULL (%u)", type);
-		return (ASN_ERR_TAG);
-	}
-	return (asn_get_null_raw(b, len));
-}
-
-enum asn_err
-asn_put_null(struct asn_buf *b)
-{
-	return (asn_put_header(b, ASN_TYPE_NULL, 0));
-}
-
-enum asn_err
-asn_put_exception(struct asn_buf *b, u_int except)
-{
-	return (asn_put_header(b, ASN_CLASS_CONTEXT | except, 0));
-}
-
-/*
- * OBJID
- *
- * <0x06> <len> <subid...>
- */
-enum asn_err
-asn_get_objid_raw(struct asn_buf *b, asn_len_t len, struct asn_oid *oid)
-{
-	asn_subid_t subid;
-	enum asn_err err;
-
-	if (b->asn_len < len) {
-		asn_error(b, "truncated OBJID");
-		return (ASN_ERR_EOBUF);
-	}
-	oid->len = 0;
-	if (len == 0) {
-		asn_error(b, "short OBJID");
-		oid->subs[oid->len++] = 0;
-		oid->subs[oid->len++] = 0;
-		return (ASN_ERR_BADLEN);
-	}
-	err = ASN_ERR_OK;
-	while (len != 0) {
-		if (oid->len == ASN_MAXOIDLEN) {
-			asn_error(b, "OID too long (%u)", oid->len);
-			b->asn_cptr += len;
-			b->asn_len -= len;
-			return (ASN_ERR_BADLEN);
-		}
-		subid = 0;
-		do {
-			if (len == 0) {
-				asn_error(b, "unterminated subid");
-				return (ASN_ERR_EOBUF);
-			}
-			if (subid > (ASN_MAXID >> 7)) {
-				asn_error(b, "OBID subid too larger");
-				err = ASN_ERR_RANGE;
-			}
-			subid = (subid << 7) | (*b->asn_cptr & 0x7f);
-			len--;
-			b->asn_len--;
-		} while (*b->asn_cptr++ & 0x80);
-		if (oid->len == 0) {
-			if (subid < 80) {
-				oid->subs[oid->len++] = subid / 40;
-				oid->subs[oid->len++] = subid % 40;
-			} else {
-				oid->subs[oid->len++] = 2;
-				oid->subs[oid->len++] = subid - 80;
-			}
-		} else {
-			oid->subs[oid->len++] = subid;
-		}
-	}
-	return (err);
-
-}
-
-enum asn_err
-asn_get_objid(struct asn_buf *b, struct asn_oid *oid)
-{
-	u_char type;
-	asn_len_t len;
-	enum asn_err err;
-
-	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)
-		return (err);
-	if (type != ASN_TYPE_OBJID) {
-		asn_error(b, "bad type for OBJID (%u)", type);
-		return (ASN_ERR_TAG);
-	}
-	return (asn_get_objid_raw(b, len, oid));
-}
-
-enum asn_err
-asn_put_objid(struct asn_buf *b, const struct asn_oid *oid)
-{
-	asn_subid_t first, sub;
-	enum asn_err err, err1;
-	u_int i, oidlen;
-	asn_len_t len;
-
-	err = ASN_ERR_OK;
-	if (oid->len == 0) {
-		/* illegal */
-		asn_error(NULL, "short oid");
-		err = ASN_ERR_RANGE;
-		first = 0;
-		oidlen = 2;
-	} else if (oid->len == 1) {
-		/* illegal */
-		asn_error(b, "short oid");
-		if (oid->subs[0] > 2)
-			asn_error(NULL, "oid[0] too large (%u)", oid->subs[0]);
-		err = ASN_ERR_RANGE;
-		first = oid->subs[0] * 40;
-		oidlen = 2;
-	} else {
-		if (oid->len > ASN_MAXOIDLEN) {
-			asn_error(NULL, "oid too long %u", oid->len);
-			err = ASN_ERR_RANGE;
-		}
-		if (oid->subs[0] > 2 ||
-		    (oid->subs[0] < 2 && oid->subs[0] >= 40)) {
-			asn_error(NULL, "oid out of range (%u,%u)",
-			    oid->subs[0], oid->subs[1]);
-			err = ASN_ERR_RANGE;
-		}
-		first = 40 * oid->subs[0] + oid->subs[1];
-		oidlen = oid->len;
-	}
-	len = 0;
-	for (i = 1; i < oidlen; i++) {
-		sub = (i == 1) ? first : oid->subs[i];
-		if (sub > ASN_MAXID) {
-			asn_error(NULL, "oid subid too large");
-			err = ASN_ERR_RANGE;
-		}
-		len += (sub <= 0x7f) ? 1
-		    : (sub <= 0x3fff) ? 2
-		    : (sub <= 0x1fffff) ? 3
-		    : (sub <= 0xfffffff) ? 4
-		    : 5;
-	}
-	if ((err1 = asn_put_header(b, ASN_TYPE_OBJID, len)) != ASN_ERR_OK)
-		return (err1);
-	if (b->asn_len < len)
-		return (ASN_ERR_EOBUF);
-
-	for (i = 1; i < oidlen; i++) {
-		sub = (i == 1) ? first : oid->subs[i];
-		if (sub <= 0x7f) {
-			*b->asn_ptr++ = sub;
-			b->asn_len--;
-		} else if (sub <= 0x3fff) {
-			*b->asn_ptr++ = (sub >> 7) | 0x80;
-			*b->asn_ptr++ = sub & 0x7f;
-			b->asn_len -= 2;
-		} else if (sub <= 0x1fffff) {
-			*b->asn_ptr++ = (sub >> 14) | 0x80;
-			*b->asn_ptr++ = ((sub >> 7) & 0x7f) | 0x80;
-			*b->asn_ptr++ = sub & 0x7f;
-			b->asn_len -= 3;
-		} else if (sub <= 0xfffffff) {
-			*b->asn_ptr++ = (sub >> 21) | 0x80;
-			*b->asn_ptr++ = ((sub >> 14) & 0x7f) | 0x80;
-			*b->asn_ptr++ = ((sub >> 7) & 0x7f) | 0x80;
-			*b->asn_ptr++ = sub & 0x7f;
-			b->asn_len -= 4;
-		} else {
-			*b->asn_ptr++ = (sub >> 28) | 0x80;
-			*b->asn_ptr++ = ((sub >> 21) & 0x7f) | 0x80;
-			*b->asn_ptr++ = ((sub >> 14) & 0x7f) | 0x80;
-			*b->asn_ptr++ = ((sub >> 7) & 0x7f) | 0x80;
-			*b->asn_ptr++ = sub & 0x7f;
-			b->asn_len -= 5;
-		}
-	}
-	return (err);
-}
-/*
- * SEQUENCE header
- *
- * <0x10|0x20> <len> <data...>
- */
-enum asn_err
-asn_get_sequence(struct asn_buf *b, asn_len_t *len)
-{
-	u_char type;
-	enum asn_err err;
-
-	if ((err = asn_get_header(b, &type, len)) != ASN_ERR_OK)
-		return (err);
-	if (type != (ASN_TYPE_SEQUENCE|ASN_TYPE_CONSTRUCTED)) {
-		asn_error(b, "bad sequence type %u", type);
-		return (ASN_ERR_TAG);
-	}
-	if (*len > b->asn_len) {
-		asn_error(b, "truncated sequence");
-		return (ASN_ERR_EOBUF);
-	}
-	return (ASN_ERR_OK);
-}
-
-/*
- * Application types
- *
- * 0x40 4 MSB 2MSB 2LSB LSB
- */
-enum asn_err
-asn_get_ipaddress_raw(struct asn_buf *b, asn_len_t len, u_char *addr)
-{
-	u_int i;
-
-	if (b->asn_len < len) {
-		asn_error(b, "truncated ip-address");
-		return (ASN_ERR_EOBUF);
-	}
-	if (len < 4) {
-		asn_error(b, "short length for ip-Address %u", len);
-		for (i = 0; i < len; i++)
-			*addr++ = *b->asn_cptr++;
-		while (i++ < len)
-			*addr++ = 0;
-		b->asn_len -= len;
-		return (ASN_ERR_BADLEN);
-	}
-	for (i = 0; i < 4; i++)
-		*addr++ = *b->asn_cptr++;
-	b->asn_cptr += len - 4;
-	b->asn_len -= len;
-	return (ASN_ERR_OK);
-}
-
-enum asn_err
-asn_get_ipaddress(struct asn_buf *b, u_char *addr)
-{
-	u_char type;
-	asn_len_t len;
-	enum asn_err err;
-
-	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)
-		return (err);
-	if (type != (ASN_CLASS_APPLICATION|ASN_APP_IPADDRESS)) {
-		asn_error(b, "bad type for ip-address %u", type);
-		return (ASN_ERR_TAG);
-	}
-	return (asn_get_ipaddress_raw(b, len, addr));
-}
-
-enum asn_err
-asn_put_ipaddress(struct asn_buf *b, const u_char *addr)
-{
-	enum asn_err err;
-
-	if ((err = asn_put_header(b, ASN_CLASS_APPLICATION|ASN_APP_IPADDRESS,
-	    4)) != ASN_ERR_OK)
-		return (err);
-	if (b->asn_len < 4)
-		return (ASN_ERR_EOBUF);
-
-	memcpy(b->asn_ptr, addr, 4);
-	b->asn_ptr += 4;
-	b->asn_len -= 4;
-	return (ASN_ERR_OK);
-}
-
-
-/*
- * UNSIGNED32
- *
- * 0x42|0x41 <len> ...
- */
-enum asn_err
-asn_get_uint32_raw(struct asn_buf *b, asn_len_t len, uint32_t *vp)
-{
-	uint64_t v;
-	enum asn_err err;
-
-	if ((err = asn_get_real_unsigned(b, len, &v)) == ASN_ERR_OK) {
-		if (len > 5) {
-			asn_error(b, "uint32 too long %u", len);
-			err = ASN_ERR_BADLEN;
-		} else if (v > UINT32_MAX) {
-			asn_error(b, "uint32 too large %llu", v);
-			err = ASN_ERR_RANGE;
-		}
-		*vp = (uint32_t)v;
-	}
-	return (err);
-}
-
-enum asn_err
-asn_put_uint32(struct asn_buf *b, u_char type, uint32_t val)
-{
-	uint64_t v = val;
-
-	return (asn_put_real_unsigned(b, ASN_CLASS_APPLICATION|type, v));
-}
-
-/*
- * COUNTER64
- * 0x46 <len> ...
- */
-enum asn_err
-asn_get_counter64_raw(struct asn_buf *b, asn_len_t len, uint64_t *vp)
-{
-	return (asn_get_real_unsigned(b, len, vp));
-}
-
-enum asn_err
-asn_put_counter64(struct asn_buf *b, uint64_t val)
-{
-	return (asn_put_real_unsigned(b,
-	    ASN_CLASS_APPLICATION | ASN_APP_COUNTER64, val));
-}
-
-/*
- * TimeTicks
- * 0x43 <len> ...
- */
-enum asn_err
-asn_get_timeticks(struct asn_buf *b, uint32_t *vp)
-{
-	asn_len_t len;
-	u_char type;
-	enum asn_err err;
-
-	if ((err = asn_get_header(b, &type, &len)) != ASN_ERR_OK)
-		return (err);
-	if (type != (ASN_CLASS_APPLICATION|ASN_APP_TIMETICKS)) {
-		asn_error(b, "bad type for timeticks %u", type);
-		return (ASN_ERR_TAG);
-	}
-	return (asn_get_uint32_raw(b, len, vp));
-}
-
-enum asn_err
-asn_put_timeticks(struct asn_buf *b, uint32_t val)
-{
-	uint64_t v = val;
-
-	return (asn_put_real_unsigned(b,
-	    ASN_CLASS_APPLICATION | ASN_APP_TIMETICKS, v));
-}
-
-/*
- * Construct a new OID by taking a range of sub ids of the original oid.
- */
-void
-asn_slice_oid(struct asn_oid *dest, const struct asn_oid *src,
-    u_int from, u_int to)
-{
-	if (from >= to) {
-		dest->len = 0;
-		return;
-	}
-	dest->len = to - from;
-	memcpy(dest->subs, &src->subs[from], dest->len * sizeof(dest->subs[0]));
-}
-
-/*
- * Append from to to
- */
-void
-asn_append_oid(struct asn_oid *to, const struct asn_oid *from)
-{
-	memcpy(&to->subs[to->len], &from->subs[0],
-	    from->len * sizeof(from->subs[0]));
-	to->len += from->len;
-}
-
-/*
- * Skip a value
- */
-enum asn_err
-asn_skip(struct asn_buf *b, asn_len_t len)
-{
-	if (b->asn_len < len)
-		return (ASN_ERR_EOBUF);
-	b->asn_cptr += len;
-	b->asn_len -= len;
-	return (ASN_ERR_OK);
-}
-
-/*
- * Compare two OIDs.
- *
- * o1 < o2 : -1
- * o1 > o2 : +1
- * o1 = o2 :  0
- */
-int
-asn_compare_oid(const struct asn_oid *o1, const struct asn_oid *o2)
-{
-	u_long i;
-
-	for (i = 0; i < o1->len && i < o2->len; i++) {
-		if (o1->subs[i] < o2->subs[i])
-			return (-1);
-		if (o1->subs[i] > o2->subs[i])
-			return (+1);
-	}
-	if (o1->len < o2->len)
-		return (-1);
-	if (o1->len > o2->len)
-		return (+1);
-	return (0);
-}
-
-/*
- * Check whether an OID is a sub-string of another OID.
- */
-int
-asn_is_suboid(const struct asn_oid *o1, const struct asn_oid *o2)
-{
-	u_long i;
-
-	for (i = 0; i < o1->len; i++)
-		if (i >= o2->len || o1->subs[i] != o2->subs[i])
-			return (0);
-	return (1);
-}
-
-/*
- * Put a string representation of an oid into a user buffer. This buffer
- * is assumed to be at least ASN_OIDSTRLEN characters long.
- *
- * sprintf is assumed not to fail here.
- */
-char *
-asn_oid2str_r(const struct asn_oid *oid, char *buf)
-{
-	u_int len, i;
-	char *ptr;
-
-	if ((len = oid->len) > ASN_MAXOIDLEN)
-		len = ASN_MAXOIDLEN;
-	buf[0] = '\0';
-	for (i = 0, ptr = buf; i < len; i++) {
-		if (i > 0)
-			*ptr++ = '.';
-		ptr += sprintf(ptr, "%u", oid->subs[i]);
-	}
-	return (buf);
-}
-
-/*
- * Make a string from an OID in a private buffer.
- */
-char *
-asn_oid2str(const struct asn_oid *oid)
-{
-	static char str[ASN_OIDSTRLEN];
-
-	return (asn_oid2str_r(oid, str));
-}
-
-
-static void
-asn_error_func(const struct asn_buf *b, const char *err, ...)
-{
-	va_list ap;
-	u_long i;
-
-	fprintf(stderr, "ASN.1: ");
-	va_start(ap, err);
-	vfprintf(stderr, err, ap);
-	va_end(ap);
-
-	if (b != NULL) {
-		fprintf(stderr, " at");
-		for (i = 0; b->asn_len > i; i++)
-			fprintf(stderr, " %02x", b->asn_cptr[i]);
-	}
-	fprintf(stderr, "\n");
-}
diff --git a/src/bsnmp/asn1.h b/src/bsnmp/asn1.h
deleted file mode 100644
index 23b7814..0000000
--- a/src/bsnmp/asn1.h
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright (c) 2001-2003
- *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
- *	All rights reserved.
- *
- * Author: Harti Brandt <harti@freebsd.org>
- *
- * 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 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 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.
- *
- * $Begemot: bsnmp/lib/asn1.h,v 1.18 2004/08/06 08:46:50 brandt Exp $
- *
- * ASN.1 for SNMP
- */
-#ifndef asn1_h_
-#define asn1_h_
-
-#include <sys/types.h>
-#include <stdint.h>
-
-struct asn_buf {
-	union {
-		u_char	*ptr;
-		const u_char *cptr;
-	}	asn_u;
-	size_t	asn_len;
-};
-#define asn_cptr	asn_u.cptr
-#define asn_ptr	asn_u.ptr
-
-/* these restrictions are in the SMI */
-#define ASN_MAXID	0xffffffff
-#define ASN_MAXOIDLEN	128
-
-/* the string needed for this (with trailing zero) */
-#define ASN_OIDSTRLEN	(ASN_MAXOIDLEN * (10 + 1) - 1 + 1)
-
-/* type of subidentifiers */
-typedef uint32_t asn_subid_t;
-
-struct asn_oid {
-	u_int	len;
-	asn_subid_t subs[ASN_MAXOIDLEN];
-};
-
-enum asn_err {
-	/* conversion was ok */
-	ASN_ERR_OK	= 0,
-	/* conversion failed and stopped */
-	ASN_ERR_FAILED	= 1 | 0x1000,
-	/* length field bad, value skipped */
-	ASN_ERR_BADLEN	= 2,
-	/* out of buffer, stopped */
-	ASN_ERR_EOBUF	= 3 | 0x1000,
-	/* length ok, but value is out of range */
-	ASN_ERR_RANGE	= 4,
-	/* not the expected tag, stopped */
-	ASN_ERR_TAG	= 5 | 0x1000,
-};
-#define ASN_ERR_STOPPED(E) (((E) & 0x1000) != 0)
-
-/* type for the length field of encoded values. The length is restricted
- * to 65535, but using uint16_t would give conversion warnings on gcc */
-typedef uint32_t asn_len_t;	/* could be also uint16_t */
-
-/* maximal length of a long length field without the length of the length */
-#define ASN_MAXLEN	65535
-#define ASN_MAXLENLEN	2	/* number of bytes in a length */
-
-/* maximum size of an octet string as per SMIv2 */
-#define ASN_MAXOCTETSTRING 65535
-
-extern void (*asn_error)(const struct asn_buf *, const char *, ...);
-
-enum asn_err asn_get_header(struct asn_buf *, u_char *, asn_len_t *);
-enum asn_err asn_put_header(struct asn_buf *, u_char, asn_len_t);
-
-enum asn_err asn_put_temp_header(struct asn_buf *, u_char, u_char **);
-enum asn_err asn_commit_header(struct asn_buf *, u_char *);
-
-enum asn_err asn_get_integer_raw(struct asn_buf *, asn_len_t, int32_t *);
-enum asn_err asn_get_integer(struct asn_buf *, int32_t *);
-enum asn_err asn_put_integer(struct asn_buf *, int32_t);
-
-enum asn_err asn_get_octetstring_raw(struct asn_buf *, asn_len_t, u_char *, u_int *);
-enum asn_err asn_get_octetstring(struct asn_buf *, u_char *, u_int *);
-enum asn_err asn_put_octetstring(struct asn_buf *, const u_char *, u_int);
-
-enum asn_err asn_get_null_raw(struct asn_buf *b, asn_len_t);
-enum asn_err asn_get_null(struct asn_buf *);
-enum asn_err asn_put_null(struct asn_buf *);
-
-enum asn_err asn_put_exception(struct asn_buf *, u_int);
-
-enum asn_err asn_get_objid_raw(struct asn_buf *, asn_len_t, struct asn_oid *);
-enum asn_err asn_get_objid(struct asn_buf *, struct asn_oid *);
-enum asn_err asn_put_objid(struct asn_buf *, const struct asn_oid *);
-
-enum asn_err asn_get_sequence(struct asn_buf *, asn_len_t *);
-
-enum asn_err asn_get_ipaddress_raw(struct asn_buf *, asn_len_t, u_char *);
-enum asn_err asn_get_ipaddress(struct asn_buf *, u_char *);
-enum asn_err asn_put_ipaddress(struct asn_buf *, const u_char *);
-
-enum asn_err asn_get_uint32_raw(struct asn_buf *, asn_len_t, uint32_t *);
-enum asn_err asn_put_uint32(struct asn_buf *, u_char, uint32_t);
-
-enum asn_err asn_get_counter64_raw(struct asn_buf *, asn_len_t, uint64_t *);
-enum asn_err asn_put_counter64(struct asn_buf *, uint64_t);
-
-enum asn_err asn_get_timeticks(struct asn_buf *, uint32_t *);
-enum asn_err asn_put_timeticks(struct asn_buf *, uint32_t);
-
-enum asn_err asn_skip(struct asn_buf *, asn_len_t);
-
-/*
- * Utility functions for OIDs
- */
-/* get a sub-OID from the middle of another OID */
-void asn_slice_oid(struct asn_oid *, const struct asn_oid *, u_int, u_int);
-
-/* append an OID to another one */
-void asn_append_oid(struct asn_oid *, const struct asn_oid *);
-
-/* compare two OIDs */
-int asn_compare_oid(const struct asn_oid *, const struct asn_oid *);
-
-/* check whether the first is a suboid of the second one */
-int asn_is_suboid(const struct asn_oid *, const struct asn_oid *);
-
-/* format an OID into a user buffer of size ASN_OIDSTRLEN */
-char *asn_oid2str_r(const struct asn_oid *, char *);
-
-/* format an OID into a private static buffer */
-char *asn_oid2str(const struct asn_oid *);
-
-enum {
-	ASN_TYPE_BOOLEAN	= 0x01,
-	ASN_TYPE_INTEGER	= 0x02,
-	ASN_TYPE_BITSTRING	= 0x03,
-	ASN_TYPE_OCTETSTRING	= 0x04,
-	ASN_TYPE_NULL		= 0x05,
-	ASN_TYPE_OBJID		= 0x06,
-	ASN_TYPE_SEQUENCE	= 0x10,
-
-	ASN_TYPE_CONSTRUCTED	= 0x20,
-	ASN_CLASS_UNIVERSAL	= 0x00,
-	ASN_CLASS_APPLICATION	= 0x40,
-	ASN_CLASS_CONTEXT	= 0x80,
-	ASN_CLASS_PRIVATE	= 0xc0,
-	ASN_TYPE_MASK		= 0x1f,
-
-	ASN_APP_IPADDRESS	= 0x00,
-	ASN_APP_COUNTER		= 0x01,
-	ASN_APP_GAUGE		= 0x02,
-	ASN_APP_TIMETICKS	= 0x03,
-	ASN_APP_OPAQUE		= 0x04,	/* not implemented */
-	ASN_APP_COUNTER64	= 0x06,
-
-	ASN_EXCEPT_NOSUCHOBJECT	= 0x00,
-	ASN_EXCEPT_NOSUCHINSTANCE = 0x01,
-	ASN_EXCEPT_ENDOFMIBVIEW	= 0x02,
-};
-
-#endif
diff --git a/src/bsnmp/snmp.c b/src/bsnmp/snmp.c
deleted file mode 100644
index f758262..0000000
--- a/src/bsnmp/snmp.c
+++ /dev/null
@@ -1,1081 +0,0 @@
-/*
- * Copyright (c) 2001-2003
- *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
- *	All rights reserved.
- *
- * Author: Harti Brandt <harti@freebsd.org>
- *
- * 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 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 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.
- *
- * $Begemot: bsnmp/lib/snmp.c,v 1.38 2004/08/06 08:46:53 brandt Exp $
- *
- * SNMP
- */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <stdarg.h>
-#include <stdint.h>
-#include <string.h>
-#include <ctype.h>
-#include <netdb.h>
-#include <errno.h>
-
-#include "asn1.h"
-#include "snmp.h"
-#include "snmppriv.h"
-
-static void snmp_error_func(const char *, ...);
-static void snmp_printf_func(const char *, ...);
-
-void (*snmp_error)(const char *, ...) = snmp_error_func;
-void (*snmp_printf)(const char *, ...) = snmp_printf_func;
-
-/*
- * Get the next variable binding from the list.
- * ASN errors on the sequence or the OID are always fatal.
- */
-static enum asn_err
-get_var_binding(struct asn_buf *b, struct snmp_value *binding)
-{
-	u_char type;
-	asn_len_t len, trailer;
-	enum asn_err err;
-
-	if (asn_get_sequence(b, &len) != ASN_ERR_OK) {
-		snmp_error("cannot parse varbind header");
-		return (ASN_ERR_FAILED);
-	}
-
-	/* temporary truncate the length so that the parser does not
-	 * eat up bytes behind the sequence in the case the encoding is
-	 * wrong of inner elements. */
-	trailer = b->asn_len - len;
-	b->asn_len = len;
-
-	if (asn_get_objid(b, &binding->var) != ASN_ERR_OK) {
-		snmp_error("cannot parse binding objid");
-		return (ASN_ERR_FAILED);
-	}
-	if (asn_get_header(b, &type, &len) != ASN_ERR_OK) {
-		snmp_error("cannot parse binding value header");
-		return (ASN_ERR_FAILED);
-	}
-
-	switch (type) {
-
-	  case ASN_TYPE_NULL:
-		binding->syntax = SNMP_SYNTAX_NULL;
-		err = asn_get_null_raw(b, len);
-		break;
-
-	  case ASN_TYPE_INTEGER:
-		binding->syntax = SNMP_SYNTAX_INTEGER;
-		err = asn_get_integer_raw(b, len, &binding->v.integer);
-		break;
-
-	  case ASN_TYPE_OCTETSTRING:
-		binding->syntax = SNMP_SYNTAX_OCTETSTRING;
-		binding->v.octetstring.octets = malloc(len);
-		if (binding->v.octetstring.octets == NULL) {
-			snmp_error("%s", strerror(errno));
-			return (ASN_ERR_FAILED);
-		}
-		binding->v.octetstring.len = len;
-		err = asn_get_octetstring_raw(b, len,
-		    binding->v.octetstring.octets,
-		    &binding->v.octetstring.len);
-		if (ASN_ERR_STOPPED(err)) {
-			free(binding->v.octetstring.octets);
-			binding->v.octetstring.octets = NULL;
-		}
-		break;
-
-	  case ASN_TYPE_OBJID:
-		binding->syntax = SNMP_SYNTAX_OID;
-		err = asn_get_objid_raw(b, len, &binding->v.oid);
-		break;
-
-	  case ASN_CLASS_APPLICATION|ASN_APP_IPADDRESS:
-		binding->syntax = SNMP_SYNTAX_IPADDRESS;
-		err = asn_get_ipaddress_raw(b, len, binding->v.ipaddress);
-		break;
-
-	  case ASN_CLASS_APPLICATION|ASN_APP_TIMETICKS:
-		binding->syntax = SNMP_SYNTAX_TIMETICKS;
-		err = asn_get_uint32_raw(b, len, &binding->v.uint32);
-		break;
-
-	  case ASN_CLASS_APPLICATION|ASN_APP_COUNTER:
-		binding->syntax = SNMP_SYNTAX_COUNTER;
-		err = asn_get_uint32_raw(b, len, &binding->v.uint32);
-		break;
-
-	  case ASN_CLASS_APPLICATION|ASN_APP_GAUGE:
-		binding->syntax = SNMP_SYNTAX_GAUGE;
-		err = asn_get_uint32_raw(b, len, &binding->v.uint32);
-		break;
-
-	  case ASN_CLASS_APPLICATION|ASN_APP_COUNTER64:
-		binding->syntax = SNMP_SYNTAX_COUNTER64;
-		err = asn_get_counter64_raw(b, len, &binding->v.counter64);
-		break;
-
-	  case ASN_CLASS_CONTEXT | ASN_EXCEPT_NOSUCHOBJECT:
-		binding->syntax = SNMP_SYNTAX_NOSUCHOBJECT;
-		err = asn_get_null_raw(b, len);
-		break;
-
-	  case ASN_CLASS_CONTEXT | ASN_EXCEPT_NOSUCHINSTANCE:
-		binding->syntax = SNMP_SYNTAX_NOSUCHINSTANCE;
-		err = asn_get_null_raw(b, len);
-		break;
-
-	  case ASN_CLASS_CONTEXT | ASN_EXCEPT_ENDOFMIBVIEW:
-		binding->syntax = SNMP_SYNTAX_ENDOFMIBVIEW;
-		err = asn_get_null_raw(b, len);
-		break;
-
-	  default:
-		if ((err = asn_skip(b, len)) == ASN_ERR_OK)
-			err = ASN_ERR_TAG;
-		snmp_error("bad binding value type 0x%x", type);
-		break;
-	}
-
-	if (ASN_ERR_STOPPED(err)) {
-		snmp_error("cannot parse binding value");
-		return (err);
-	}
-
-	if (b->asn_len != 0)
-		snmp_error("ignoring junk at end of binding");
-
-	b->asn_len = trailer;
-
-	return (err);
-}
-
-/*
- * Parse the different PDUs contents. Any ASN error in the outer components
- * are fatal. Only errors in variable values may be tolerated. If all
- * components can be parsed it returns either ASN_ERR_OK or the first
- * error that was found.
- */
-enum asn_err
-snmp_parse_pdus_hdr(struct asn_buf *b, struct snmp_pdu *pdu, asn_len_t *lenp)
-{
-	if (pdu->type == SNMP_PDU_TRAP) {
-		if (asn_get_objid(b, &pdu->enterprise) != ASN_ERR_OK) {
-			snmp_error("cannot parse trap enterprise");
-			return (ASN_ERR_FAILED);
-		}
-		if (asn_get_ipaddress(b, pdu->agent_addr) != ASN_ERR_OK) {
-			snmp_error("cannot parse trap agent address");
-			return (ASN_ERR_FAILED);
-		}
-		if (asn_get_integer(b, &pdu->generic_trap) != ASN_ERR_OK) {
-			snmp_error("cannot parse 'generic-trap'");
-			return (ASN_ERR_FAILED);
-		}
-		if (asn_get_integer(b, &pdu->specific_trap) != ASN_ERR_OK) {
-			snmp_error("cannot parse 'specific-trap'");
-			return (ASN_ERR_FAILED);
-		}
-		if (asn_get_timeticks(b, &pdu->time_stamp) != ASN_ERR_OK) {
-			snmp_error("cannot parse trap 'time-stamp'");
-			return (ASN_ERR_FAILED);
-		}
-	} else {
-		if (asn_get_integer(b, &pdu->request_id) != ASN_ERR_OK) {
-			snmp_error("cannot parse 'request-id'");
-			return (ASN_ERR_FAILED);
-		}
-		if (asn_get_integer(b, &pdu->error_status) != ASN_ERR_OK) {
-			snmp_error("cannot parse 'error_status'");
-			return (ASN_ERR_FAILED);
-		}
-		if (asn_get_integer(b, &pdu->error_index) != ASN_ERR_OK) {
-			snmp_error("cannot parse 'error_index'");
-			return (ASN_ERR_FAILED);
-		}
-	}
-
-	if (asn_get_sequence(b, lenp) != ASN_ERR_OK) {
-		snmp_error("cannot get varlist header");
-		return (ASN_ERR_FAILED);
-	}
-
-	return (ASN_ERR_OK);
-}
-
-static enum asn_err
-parse_pdus(struct asn_buf *b, struct snmp_pdu *pdu, int32_t *ip)
-{
-	asn_len_t len, trailer;
-	struct snmp_value *v;
-	enum asn_err err, err1;
-
-	err = snmp_parse_pdus_hdr(b, pdu, &len);
-	if (ASN_ERR_STOPPED(err))
-		return (err);
-
-	trailer = b->asn_len - len;
-
-	v = pdu->bindings;
-	err = ASN_ERR_OK;
-	while (b->asn_len != 0) {
-		if (pdu->nbindings == SNMP_MAX_BINDINGS) {
-			snmp_error("too many bindings (> %u) in PDU",
-			    SNMP_MAX_BINDINGS);
-			return (ASN_ERR_FAILED);
-		}
-		err1 = get_var_binding(b, v);
-		if (ASN_ERR_STOPPED(err1))
-			return (ASN_ERR_FAILED);
-		if (err1 != ASN_ERR_OK && err == ASN_ERR_OK) {
-			err = err1;
-			*ip = pdu->nbindings + 1;
-		}
-		pdu->nbindings++;
-		v++;
-	}
-
-	b->asn_len = trailer;
-
-	return (err);
-}
-
-/*
- * Parse the outer SEQUENCE value. ASN_ERR_TAG means 'bad version'.
- */
-enum asn_err
-snmp_parse_message_hdr(struct asn_buf *b, struct snmp_pdu *pdu, asn_len_t *lenp)
-{
-	int32_t version;
-	u_char type;
-	u_int comm_len;
-
-	if (asn_get_integer(b, &version) != ASN_ERR_OK) {
-		snmp_error("cannot decode version");
-		return (ASN_ERR_FAILED);
-	}
-
-	if (version == 0) {
-		pdu->version = SNMP_V1;
-	} else if (version == 1) {
-		pdu->version = SNMP_V2c;
-	} else {
-		pdu->version = SNMP_Verr;
-		snmp_error("unsupported SNMP version");
-		return (ASN_ERR_TAG);
-	}
-
-	comm_len = SNMP_COMMUNITY_MAXLEN;
-	if (asn_get_octetstring(b, (u_char *)pdu->community,
-	    &comm_len) != ASN_ERR_OK) {
-		snmp_error("cannot decode community");
-		return (ASN_ERR_FAILED);
-	}
-	pdu->community[comm_len] = '\0';
-
-	if (asn_get_header(b, &type, lenp) != ASN_ERR_OK) {
-		snmp_error("cannot get pdu header");
-		return (ASN_ERR_FAILED);
-	}
-	if ((type & ~ASN_TYPE_MASK) !=
-	    (ASN_TYPE_CONSTRUCTED | ASN_CLASS_CONTEXT)) {
-		snmp_error("bad pdu header tag");
-		return (ASN_ERR_FAILED);
-	}
-	pdu->type = type & ASN_TYPE_MASK;
-
-	switch (pdu->type) {
-
-	  case SNMP_PDU_GET:
-	  case SNMP_PDU_GETNEXT:
-	  case SNMP_PDU_RESPONSE:
-	  case SNMP_PDU_SET:
-		break;
-
-	  case SNMP_PDU_TRAP:
-		if (pdu->version != SNMP_V1) {
-			snmp_error("bad pdu type %u", pdu->type);
-			return (ASN_ERR_FAILED);
-		}
-		break;
-
-	  case SNMP_PDU_GETBULK:
-	  case SNMP_PDU_INFORM:
-	  case SNMP_PDU_TRAP2:
-	  case SNMP_PDU_REPORT:
-		if (pdu->version == SNMP_V1) {
-			snmp_error("bad pdu type %u", pdu->type);
-			return (ASN_ERR_FAILED);
-		}
-		break;
-
-	  default:
-		snmp_error("bad pdu type %u", pdu->type);
-		return (ASN_ERR_FAILED);
-	}
-
-
-	if (*lenp > b->asn_len) {
-		snmp_error("pdu length too long");
-		return (ASN_ERR_FAILED);
-	}
-
-	return (ASN_ERR_OK);
-}
-
-static enum asn_err
-parse_message(struct asn_buf *b, struct snmp_pdu *pdu, int32_t *ip)
-{
-	enum asn_err err;
-	asn_len_t len, trailer;
-
-	err = snmp_parse_message_hdr(b, pdu, &len);
-	if (ASN_ERR_STOPPED(err))
-		return (err);
-
-	trailer = b->asn_len - len;
-	b->asn_len = len;
-
-	err = parse_pdus(b, pdu, ip);
-	if (ASN_ERR_STOPPED(err))
-		return (ASN_ERR_FAILED);
-
-	if (b->asn_len != 0)
-		snmp_error("ignoring trailing junk after pdu");
-
-	b->asn_len = trailer;
-
-	return (err);
-}
-
-/*
- * Decode the PDU except for the variable bindings itself.
- * If decoding fails because of a bad binding, but the rest can be
- * decoded, ip points to the index of the failed variable (errors
- * OORANGE, BADLEN or BADVERS).
- */
-enum snmp_code
-snmp_pdu_decode(struct asn_buf *b, struct snmp_pdu *pdu, int32_t *ip)
-{
-	asn_len_t len;
-
-	memset(pdu, 0, sizeof(*pdu));
-
-	if (asn_get_sequence(b, &len) != ASN_ERR_OK) {
-		snmp_error("cannot decode pdu header");
-		return (SNMP_CODE_FAILED);
-	}
-	if (b->asn_len < len) {
-		snmp_error("outer sequence value too short");
-		return (SNMP_CODE_FAILED);
-	}
-	if (b->asn_len != len) {
-		snmp_error("ignoring trailing junk in message");
-		b->asn_len = len;
-	}
-
-	switch (parse_message(b, pdu, ip)) {
-
-	  case ASN_ERR_OK:
-		return (SNMP_CODE_OK);
-
-	  case ASN_ERR_FAILED:
-	  case ASN_ERR_EOBUF:
-		snmp_pdu_free(pdu);
-		return (SNMP_CODE_FAILED);
-
-	  case ASN_ERR_BADLEN:
-		return (SNMP_CODE_BADLEN);
-
-	  case ASN_ERR_RANGE:
-		return (SNMP_CODE_OORANGE);
-
-	  case ASN_ERR_TAG:
-		if (pdu->version == SNMP_Verr)
-			return (SNMP_CODE_BADVERS);
-		else
-			return (SNMP_CODE_BADENC);
-	}
-
-	return (SNMP_CODE_OK);
-}
-
-/*
- * Check whether what we have is the complete PDU by snooping at the
- * enclosing structure header. This returns:
- *   -1		if there are ASN.1 errors
- *    0		if we need more data
- *  > 0		the length of this PDU
- */
-int
-snmp_pdu_snoop(const struct asn_buf *b0)
-{
-	u_int length;
-	asn_len_t len;
-	struct asn_buf b = *b0;
-
-	/* <0x10|0x20> <len> <data...> */
-
-	if (b.asn_len == 0)
-		return (0);
-	if (b.asn_cptr[0] != (ASN_TYPE_SEQUENCE | ASN_TYPE_CONSTRUCTED)) {
-		asn_error(&b, "bad sequence type %u", b.asn_cptr[0]);
-		return (-1);
-	}
-	b.asn_len--;
-	b.asn_cptr++;
-
-	if (b.asn_len == 0)
-		return (0);
-
-	if (*b.asn_cptr & 0x80) {
-		/* long length */
-		length = *b.asn_cptr++ & 0x7f;
-		b.asn_len--;
-		if (length == 0) {
-			asn_error(&b, "indefinite length not supported");
-			return (-1);
-		}
-		if (length > ASN_MAXLENLEN) {
-			asn_error(&b, "long length too long (%u)", length);
-			return (-1);
-		}
-		if (length > b.asn_len)
-			return (0);
-		len = 0;
-		while (length--) {
-			len = (len << 8) | *b.asn_cptr++;
-			b.asn_len--;
-		}
-	} else {
-		len = *b.asn_cptr++;
-		b.asn_len--;
-	}
-
-	if (len > b.asn_len)
-		return (0);
-
-	return (len + b.asn_cptr - b0->asn_cptr);
-}
-
-/*
- * Encode the SNMP PDU without the variable bindings field.
- * We do this the rather uneffective way by
- * moving things around and assuming that the length field will never
- * use more than 2 bytes.
- * We need a number of pointers to apply the fixes afterwards.
- */
-enum snmp_code
-snmp_pdu_encode_header(struct asn_buf *b, struct snmp_pdu *pdu)
-{
-	enum asn_err err;
-
-	if (asn_put_temp_header(b, (ASN_TYPE_SEQUENCE|ASN_TYPE_CONSTRUCTED),
-	    &pdu->outer_ptr) != ASN_ERR_OK)
-		return (SNMP_CODE_FAILED);
-
-	if (pdu->version == SNMP_V1)
-		err = asn_put_integer(b, 0);
-	else if (pdu->version == SNMP_V2c)
-		err = asn_put_integer(b, 1);
-	else
-		return (SNMP_CODE_BADVERS);
-	if (err != ASN_ERR_OK)
-		return (SNMP_CODE_FAILED);
-
-	if (asn_put_octetstring(b, (u_char *)pdu->community,
-	    strlen(pdu->community)) != ASN_ERR_OK)
-		return (SNMP_CODE_FAILED);
-
-	if (asn_put_temp_header(b, (ASN_TYPE_CONSTRUCTED | ASN_CLASS_CONTEXT |
-	    pdu->type), &pdu->pdu_ptr) != ASN_ERR_OK)
-		return (SNMP_CODE_FAILED);
-
-	if (pdu->type == SNMP_PDU_TRAP) {
-		if (pdu->version != SNMP_V1 ||
-		    asn_put_objid(b, &pdu->enterprise) != ASN_ERR_OK ||
-		    asn_put_ipaddress(b, pdu->agent_addr) != ASN_ERR_OK ||
-		    asn_put_integer(b, pdu->generic_trap) != ASN_ERR_OK ||
-		    asn_put_integer(b, pdu->specific_trap) != ASN_ERR_OK ||
-		    asn_put_timeticks(b, pdu->time_stamp) != ASN_ERR_OK)
-			return (SNMP_CODE_FAILED);
-	} else {
-		if (pdu->version == SNMP_V1 && (pdu->type == SNMP_PDU_GETBULK ||
-		    pdu->type == SNMP_PDU_INFORM ||
-		    pdu->type == SNMP_PDU_TRAP2 ||
-		    pdu->type == SNMP_PDU_REPORT))
-			return (SNMP_CODE_FAILED);
-
-		if (asn_put_integer(b, pdu->request_id) != ASN_ERR_OK ||
-		    asn_put_integer(b, pdu->error_status) != ASN_ERR_OK ||
-		    asn_put_integer(b, pdu->error_index) != ASN_ERR_OK)
-			return (SNMP_CODE_FAILED);
-	}
-
-	if (asn_put_temp_header(b, (ASN_TYPE_SEQUENCE|ASN_TYPE_CONSTRUCTED),
-	    &pdu->vars_ptr) != ASN_ERR_OK)
-		return (SNMP_CODE_FAILED);
-
-	return (SNMP_CODE_OK);
-}
-
-enum snmp_code
-snmp_fix_encoding(struct asn_buf *b, const struct snmp_pdu *pdu)
-{
-	if (asn_commit_header(b, pdu->vars_ptr) != ASN_ERR_OK ||
-	    asn_commit_header(b, pdu->pdu_ptr) != ASN_ERR_OK ||
-	    asn_commit_header(b, pdu->outer_ptr) != ASN_ERR_OK)
-		return (SNMP_CODE_FAILED);
-	return (SNMP_CODE_OK);
-}
-
-/*
- * Encode a binding. Caller must ensure, that the syntax is ok for that version.
- * Be sure not to cobber b, when something fails.
- */
-enum asn_err
-snmp_binding_encode(struct asn_buf *b, const struct snmp_value *binding)
-{
-	u_char *ptr;
-	enum asn_err err;
-	struct asn_buf save = *b;
-
-	if ((err = asn_put_temp_header(b, (ASN_TYPE_SEQUENCE |
-	    ASN_TYPE_CONSTRUCTED), &ptr)) != ASN_ERR_OK) {
-		*b = save;
-		return (err);
-	}
-
-	if ((err = asn_put_objid(b, &binding->var)) != ASN_ERR_OK) {
-		*b = save;
-		return (err);
-	}
-
-	switch (binding->syntax) {
-
-	  case SNMP_SYNTAX_NULL:
-		err = asn_put_null(b);
-		break;
-
-	  case SNMP_SYNTAX_INTEGER:
-		err = asn_put_integer(b, binding->v.integer);
-		break;
-
-	  case SNMP_SYNTAX_OCTETSTRING:
-		err = asn_put_octetstring(b, binding->v.octetstring.octets,
-		    binding->v.octetstring.len);
-		break;
-
-	  case SNMP_SYNTAX_OID:
-		err = asn_put_objid(b, &binding->v.oid);
-		break;
-
-	  case SNMP_SYNTAX_IPADDRESS:
-		err = asn_put_ipaddress(b, binding->v.ipaddress);
-		break;
-
-	  case SNMP_SYNTAX_TIMETICKS:
-		err = asn_put_uint32(b, ASN_APP_TIMETICKS, binding->v.uint32);
-		break;
-
-	  case SNMP_SYNTAX_COUNTER:
-		err = asn_put_uint32(b, ASN_APP_COUNTER, binding->v.uint32);
-		break;
-
-	  case SNMP_SYNTAX_GAUGE:
-		err = asn_put_uint32(b, ASN_APP_GAUGE, binding->v.uint32);
-		break;
-
-	  case SNMP_SYNTAX_COUNTER64:
-		err = asn_put_counter64(b, binding->v.counter64);
-		break;
-
-	  case SNMP_SYNTAX_NOSUCHOBJECT:
-		err = asn_put_exception(b, ASN_EXCEPT_NOSUCHOBJECT);
-		break;
-
-	  case SNMP_SYNTAX_NOSUCHINSTANCE:
-		err = asn_put_exception(b, ASN_EXCEPT_NOSUCHINSTANCE);
-		break;
-
-	  case SNMP_SYNTAX_ENDOFMIBVIEW:
-		err = asn_put_exception(b, ASN_EXCEPT_ENDOFMIBVIEW);
-		break;
-	}
-
-	if (err != ASN_ERR_OK) {
-		*b = save;
-		return (err);
-	}
-
-	err = asn_commit_header(b, ptr);
-	if (err != ASN_ERR_OK) {
-		*b = save;
-		return (err);
-	}
-
-	return (ASN_ERR_OK);
-}
-
-/*
- * Encode an PDU.
- */
-enum snmp_code
-snmp_pdu_encode(struct snmp_pdu *pdu, struct asn_buf *resp_b)
-{
-	u_int idx;
-	enum snmp_code err;
-
-	if ((err = snmp_pdu_encode_header(resp_b, pdu)) != SNMP_CODE_OK)
-		return (err);
-	for (idx = 0; idx < pdu->nbindings; idx++)
-		if ((err = snmp_binding_encode(resp_b, &pdu->bindings[idx]))
-		    != ASN_ERR_OK)
-			return (SNMP_CODE_FAILED);
-
-	return (snmp_fix_encoding(resp_b, pdu));
-}
-
-static void
-dump_binding(const struct snmp_value *b)
-{
-	u_int i;
-	char buf[ASN_OIDSTRLEN];
-
-	snmp_printf("%s=", asn_oid2str_r(&b->var, buf));
-	switch (b->syntax) {
-
-	  case SNMP_SYNTAX_NULL:
-		snmp_printf("NULL");
-		break;
-
-	  case SNMP_SYNTAX_INTEGER:
-		snmp_printf("INTEGER %d", b->v.integer);
-		break;
-
-	  case SNMP_SYNTAX_OCTETSTRING:
-		snmp_printf("OCTET STRING %lu:", b->v.octetstring.len);
-		for (i = 0; i < b->v.octetstring.len; i++)
-			snmp_printf(" %02x", b->v.octetstring.octets[i]);
-		break;
-
-	  case SNMP_SYNTAX_OID:
-		snmp_printf("OID %s", asn_oid2str_r(&b->v.oid, buf));
-		break;
-
-	  case SNMP_SYNTAX_IPADDRESS:
-		snmp_printf("IPADDRESS %u.%u.%u.%u", b->v.ipaddress[0],
-		    b->v.ipaddress[1], b->v.ipaddress[2], b->v.ipaddress[3]);
-		break;
-
-	  case SNMP_SYNTAX_COUNTER:
-		snmp_printf("COUNTER %u", b->v.uint32);
-		break;
-
-	  case SNMP_SYNTAX_GAUGE:
-		snmp_printf("GAUGE %u", b->v.uint32);
-		break;
-
-	  case SNMP_SYNTAX_TIMETICKS:
-		snmp_printf("TIMETICKS %u", b->v.uint32);
-		break;
-
-	  case SNMP_SYNTAX_COUNTER64:
-		snmp_printf("COUNTER64 %lld", b->v.counter64);
-		break;
-
-	  case SNMP_SYNTAX_NOSUCHOBJECT:
-		snmp_printf("NoSuchObject");
-		break;
-
-	  case SNMP_SYNTAX_NOSUCHINSTANCE:
-		snmp_printf("NoSuchInstance");
-		break;
-
-	  case SNMP_SYNTAX_ENDOFMIBVIEW:
-		snmp_printf("EndOfMibView");
-		break;
-
-	  default:
-		snmp_printf("UNKNOWN SYNTAX %u", b->syntax);
-		break;
-	}
-}
-
-static __inline void
-dump_bindings(const struct snmp_pdu *pdu)
-{
-	u_int i;
-
-	for (i = 0; i < pdu->nbindings; i++) {
-		snmp_printf(" [%u]: ", i);
-		dump_binding(&pdu->bindings[i]);
-		snmp_printf("\n");
-	}
-}
-
-static __inline void
-dump_notrap(const struct snmp_pdu *pdu)
-{
-	snmp_printf(" request_id=%d", pdu->request_id);
-	snmp_printf(" error_status=%d", pdu->error_status);
-	snmp_printf(" error_index=%d\n", pdu->error_index);
-	dump_bindings(pdu);
-}
-
-void
-snmp_pdu_dump(const struct snmp_pdu *pdu)
-{
-	char buf[ASN_OIDSTRLEN];
-	const char *vers;
-	static const char *types[] = {
-		[SNMP_PDU_GET] =	"GET",
-		[SNMP_PDU_GETNEXT] =	"GETNEXT",
-		[SNMP_PDU_RESPONSE] =	"RESPONSE",
-		[SNMP_PDU_SET] =	"SET",
-		[SNMP_PDU_TRAP] =	"TRAPv1",
-		[SNMP_PDU_GETBULK] =	"GETBULK",
-		[SNMP_PDU_INFORM] =	"INFORM",
-		[SNMP_PDU_TRAP2] =	"TRAPv2",
-		[SNMP_PDU_REPORT] =	"REPORT",
-	};
-
-	if (pdu->version == SNMP_V1)
-		vers = "SNMPv1";
-	else if (pdu->version == SNMP_V2c)
-		vers = "SNMPv2c";
-	else
-		vers = "v?";
-
-	switch (pdu->type) {
-	  case SNMP_PDU_TRAP:
-		snmp_printf("%s %s '%s'", types[pdu->type], vers, pdu->community);
-		snmp_printf(" enterprise=%s", asn_oid2str_r(&pdu->enterprise, buf));
-		snmp_printf(" agent_addr=%u.%u.%u.%u", pdu->agent_addr[0],
-		    pdu->agent_addr[1], pdu->agent_addr[2], pdu->agent_addr[3]);
-		snmp_printf(" generic_trap=%d", pdu->generic_trap);
-		snmp_printf(" specific_trap=%d", pdu->specific_trap);
-		snmp_printf(" time-stamp=%u\n", pdu->time_stamp);
-		dump_bindings(pdu);
-		break;
-
-	  case SNMP_PDU_GET:
-	  case SNMP_PDU_GETNEXT:
-	  case SNMP_PDU_RESPONSE:
-	  case SNMP_PDU_SET:
-	  case SNMP_PDU_GETBULK:
-	  case SNMP_PDU_INFORM:
-	  case SNMP_PDU_TRAP2:
-	  case SNMP_PDU_REPORT:
-		snmp_printf("%s %s '%s'", types[pdu->type], vers, pdu->community);
-		dump_notrap(pdu);
-		break;
-
-	  default:
-		snmp_printf("bad pdu type %u\n", pdu->type);
-		break;
-	}
-}
-
-void
-snmp_value_free(struct snmp_value *value)
-{
-	if (value->syntax == SNMP_SYNTAX_OCTETSTRING)
-		free(value->v.octetstring.octets);
-	value->syntax = SNMP_SYNTAX_NULL;
-}
-
-int
-snmp_value_copy(struct snmp_value *to, const struct snmp_value *from)
-{
-	to->var = from->var;
-	to->syntax = from->syntax;
-
-	if (from->syntax == SNMP_SYNTAX_OCTETSTRING) {
-		if ((to->v.octetstring.len = from->v.octetstring.len) == 0)
-			to->v.octetstring.octets = NULL;
-		else {
-			to->v.octetstring.octets = malloc(to->v.octetstring.len);
-			if (to->v.octetstring.octets == NULL)
-				return (-1);
-			(void)memcpy(to->v.octetstring.octets,
-			    from->v.octetstring.octets, to->v.octetstring.len);
-		}
-	} else
-		to->v = from->v;
-	return (0);
-}
-
-void
-snmp_pdu_free(struct snmp_pdu *pdu)
-{
-	u_int i;
-
-	for (i = 0; i < pdu->nbindings; i++)
-		snmp_value_free(&pdu->bindings[i]);
-}
-
-/*
- * Parse an ASCII SNMP value into the binary form
- */
-int
-snmp_value_parse(const char *str, enum snmp_syntax syntax, union snmp_values *v)
-{
-	char *end;
-
-	switch (syntax) {
-
-	  case SNMP_SYNTAX_NULL:
-	  case SNMP_SYNTAX_NOSUCHOBJECT:
-	  case SNMP_SYNTAX_NOSUCHINSTANCE:
-	  case SNMP_SYNTAX_ENDOFMIBVIEW:
-		if (*str != '\0')
-			return (-1);
-		return (0);
-
-	  case SNMP_SYNTAX_INTEGER:
-		v->integer = strtoll(str, &end, 0);
-		if (*end != '\0')
-			return (-1);
-		return (0);
-
-	  case SNMP_SYNTAX_OCTETSTRING:
-	    {
-		u_long len;	/* actual length of string */
-		u_long alloc;	/* allocate length of string */
-		u_char *octs;	/* actual octets */
-		u_long oct;	/* actual octet */
-		u_char *nocts;	/* to avoid memory leak */
-		u_char c;	/* actual character */
-
-# define STUFFC(C)							\
-		if (alloc == len) {					\
-			alloc += 100;					\
-			if ((nocts = realloc(octs, alloc)) == NULL) {	\
-				free(octs);				\
-				return (-1);				\
-			}						\
-			octs = nocts;					\
-		}							\
-		octs[len++] = (C);
-
-		len = alloc = 0;
-		octs = NULL;
-
-		if (*str == '"') {
-			str++;
-			while((c = *str++) != '\0') {
-				if (c == '"') {
-					if (*str != '\0') {
-						free(octs);
-						return (-1);
-					}
-					break;
-				}
-				if (c == '\\') {
-					switch (c = *str++) {
-
-					  case '\\':
-						break;
-					  case 'a':
-						c = '\a';
-						break;
-					  case 'b':
-						c = '\b';
-						break;
-					  case 'f':
-						c = '\f';
-						break;
-					  case 'n':
-						c = '\n';
-						break;
-					  case 'r':
-						c = '\r';
-						break;
-					  case 't':
-						c = '\t';
-						break;
-					  case 'v':
-						c = '\v';
-						break;
-					  case 'x':
-						c = 0;
-						if (!isxdigit(*str))
-							break;
-						if (isdigit(*str))
-							c = *str++ - '0';
-						else if (isupper(*str))
-							c = *str++ - 'A' + 10;
-						else
-							c = *str++ - 'a' + 10;
-						if (!isxdigit(*str))
-							break;
-						if (isdigit(*str))
-							c += *str++ - '0';
-						else if (isupper(*str))
-							c += *str++ - 'A' + 10;
-						else
-							c += *str++ - 'a' + 10;
-						break;
-					  case '0': case '1': case '2':
-					  case '3': case '4': case '5':
-					  case '6': case '7':
-						c = *str++ - '0';
-						if (*str < '0' || *str > '7')
-							break;
-						c = *str++ - '0';
-						if (*str < '0' || *str > '7')
-							break;
-						c = *str++ - '0';
-						break;
-					  default:
-						break;
-					}
-				}
-				STUFFC(c);
-			}
-		} else {
-			while (*str != '\0') {
-				oct = strtoul(str, &end, 16);
-				str = end;
-				if (oct > 0xff) {
-					free(octs);
-					return (-1);
-				}
-				STUFFC(oct);
-				if (*str == ':')
-					str++;
-				else if(*str != '\0') {
-					free(octs);
-					return (-1);
-				}
-			}
-		}
-		v->octetstring.octets = octs;
-		v->octetstring.len = len;
-		return (0);
-# undef STUFFC
-	    }
-
-	  case SNMP_SYNTAX_OID:
-	    {
-		u_long subid;
-
-		v->oid.len = 0;
-
-		for (;;) {
-			if (v->oid.len == ASN_MAXOIDLEN)
-				return (-1);
-			subid = strtoul(str, &end, 10);
-			str = end;
-			if (subid > ASN_MAXID)
-				return (-1);
-			v->oid.subs[v->oid.len++] = (asn_subid_t)subid;
-			if (*str == '\0')
-				break;
-			if (*str != '.')
-				return (-1);
-			str++;
-		}
-		return (0);
-	    }
-
-	  case SNMP_SYNTAX_IPADDRESS:
-	    {
-		struct hostent *he;
-		u_long ip[4];
-		int n;
-
-		if (sscanf(str, "%lu.%lu.%lu.%lu%n", &ip[0], &ip[1], &ip[2],
-		    &ip[3], &n) == 4 && (size_t)n == strlen(str) &&
-		    ip[0] <= 0xff && ip[1] <= 0xff &&
-		    ip[2] <= 0xff && ip[3] <= 0xff) {
-			v->ipaddress[0] = (u_char)ip[0];
-			v->ipaddress[1] = (u_char)ip[1];
-			v->ipaddress[2] = (u_char)ip[2];
-			v->ipaddress[3] = (u_char)ip[3];
-			return (0);
-		}
-
-		if ((he = gethostbyname(str)) == NULL)
-			return (-1);
-		if (he->h_addrtype != AF_INET)
-			return (-1);
-
-		v->ipaddress[0] = he->h_addr[0];
-		v->ipaddress[1] = he->h_addr[1];
-		v->ipaddress[2] = he->h_addr[2];
-		v->ipaddress[3] = he->h_addr[3];
-		return (0);
-	    }
-
-	  case SNMP_SYNTAX_COUNTER:
-	  case SNMP_SYNTAX_GAUGE:
-	  case SNMP_SYNTAX_TIMETICKS:
-	    {
-		uint64_t sub;
-
-		sub = strtoull(str, &end, 0);
-		if (*end != '\0' || sub > 0xffffffff)
-			return (-1);
-		v->uint32 = (uint32_t)sub;
-		return (0);
-	    }
-
-	  case SNMP_SYNTAX_COUNTER64:
-		v->counter64 = strtoull(str, &end, 0);
-		if (*end != '\0')
-			return (-1);
-		return (0);
-	}
-	abort();
-}
-
-static void
-snmp_error_func(const char *fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	fprintf(stderr, "SNMP: ");
-	vfprintf(stderr, fmt, ap);
-	fprintf(stderr, "\n");
-	va_end(ap);
-}
-
-static void
-snmp_printf_func(const char *fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	va_end(ap);
-}
diff --git a/src/bsnmp/snmp.h b/src/bsnmp/snmp.h
deleted file mode 100644
index 1ae0775..0000000
--- a/src/bsnmp/snmp.h
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * Copyright (c) 2001-2003
- *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
- *	All rights reserved.
- *
- * Author: Harti Brandt <harti@freebsd.org>
- *
- * 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 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 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.
- *
- * $Begemot: bsnmp/lib/snmp.h,v 1.30 2004/08/06 08:46:54 brandt Exp $
- *
- * Header file for SNMP functions.
- */
-#ifndef snmp_h_
-#define snmp_h_
-
-#include <sys/types.h>
-
-#define SNMP_COMMUNITY_MAXLEN	128
-#define SNMP_MAX_BINDINGS	100
-
-enum snmp_syntax {
-	SNMP_SYNTAX_NULL	= 0,
-	SNMP_SYNTAX_INTEGER,		/* == INTEGER32 */
-	SNMP_SYNTAX_OCTETSTRING,
-	SNMP_SYNTAX_OID,
-	SNMP_SYNTAX_IPADDRESS,
-	SNMP_SYNTAX_COUNTER,
-	SNMP_SYNTAX_GAUGE,		/* == UNSIGNED32 */
-	SNMP_SYNTAX_TIMETICKS,
-
-	/* v2 additions */
-	SNMP_SYNTAX_COUNTER64,
-	SNMP_SYNTAX_NOSUCHOBJECT,	/* exception */
-	SNMP_SYNTAX_NOSUCHINSTANCE,	/* exception */
-	SNMP_SYNTAX_ENDOFMIBVIEW,	/* exception */
-};
-
-struct snmp_value {
-	struct asn_oid		var;
-	enum snmp_syntax	syntax;
-	union snmp_values {
-	  int32_t		integer;	/* also integer32 */
-	  struct {
-	    u_int		len;
-	    u_char		*octets;
-	  }			octetstring;
-	  struct asn_oid	oid;
-	  u_char		ipaddress[4];
-	  uint32_t		uint32;		/* also gauge32, counter32,
-						   unsigned32, timeticks */
-	  uint64_t		counter64;
-	}			v;
-};
-
-enum snmp_version {
-	SNMP_Verr = 0,
-	SNMP_V1 = 1,
-	SNMP_V2c,
-};
-
-struct snmp_pdu {
-	char		community[SNMP_COMMUNITY_MAXLEN + 1];
-	enum snmp_version version;
-	u_int		type;
-
-	/* trap only */
-	struct asn_oid	enterprise;
-	u_char		agent_addr[4];
-	int32_t		generic_trap;
-	int32_t		specific_trap;
-	uint32_t	time_stamp;
-
-	/* others */
-	int32_t		request_id;
-	int32_t		error_status;
-	int32_t		error_index;
-
-	/* fixes for encoding */
-	u_char		*outer_ptr;
-	u_char		*pdu_ptr;
-	u_char		*vars_ptr;
-
-	struct snmp_value bindings[SNMP_MAX_BINDINGS];
-	u_int		nbindings;
-};
-#define snmp_v1_pdu snmp_pdu
-
-#define SNMP_PDU_GET		0
-#define SNMP_PDU_GETNEXT	1
-#define SNMP_PDU_RESPONSE	2
-#define SNMP_PDU_SET		3
-#define SNMP_PDU_TRAP		4	/* v1 */
-#define SNMP_PDU_GETBULK	5	/* v2 */
-#define SNMP_PDU_INFORM		6	/* v2 */
-#define SNMP_PDU_TRAP2		7	/* v2 */
-#define SNMP_PDU_REPORT		8	/* v2 */
-
-#define SNMP_ERR_NOERROR	0
-#define SNMP_ERR_TOOBIG		1
-#define SNMP_ERR_NOSUCHNAME	2	/* v1 */
-#define SNMP_ERR_BADVALUE	3	/* v1 */
-#define SNMP_ERR_READONLY	4	/* v1 */
-#define SNMP_ERR_GENERR		5
-#define SNMP_ERR_NO_ACCESS	6	/* v2 */
-#define SNMP_ERR_WRONG_TYPE	7	/* v2 */
-#define SNMP_ERR_WRONG_LENGTH	8	/* v2 */
-#define SNMP_ERR_WRONG_ENCODING	9	/* v2 */
-#define SNMP_ERR_WRONG_VALUE	10	/* v2 */
-#define SNMP_ERR_NO_CREATION	11	/* v2 */
-#define SNMP_ERR_INCONS_VALUE	12	/* v2 */
-#define SNMP_ERR_RES_UNAVAIL	13	/* v2 */
-#define SNMP_ERR_COMMIT_FAILED	14	/* v2 */
-#define SNMP_ERR_UNDO_FAILED	15	/* v2 */
-#define SNMP_ERR_AUTH_ERR	16	/* v2 */
-#define SNMP_ERR_NOT_WRITEABLE	17	/* v2 */
-#define SNMP_ERR_INCONS_NAME	18	/* v2 */
-
-#define SNMP_TRAP_COLDSTART	0
-#define SNMP_TRAP_WARMSTART	1
-#define SNMP_TRAP_LINKDOWN	2
-#define SNMP_TRAP_LINKUP	3
-#define SNMP_TRAP_AUTHENTICATION_FAILURE	4
-#define SNMP_TRAP_EGP_NEIGHBOR_LOSS	5
-#define SNMP_TRAP_ENTERPRISE	6
-
-enum snmp_code {
-	SNMP_CODE_OK = 0,
-	SNMP_CODE_FAILED,
-	SNMP_CODE_BADVERS,
-	SNMP_CODE_BADLEN,
-	SNMP_CODE_BADENC,
-	SNMP_CODE_OORANGE,
-};
-
-void snmp_value_free(struct snmp_value *);
-int snmp_value_parse(const char *, enum snmp_syntax, union snmp_values *);
-int snmp_value_copy(struct snmp_value *, const struct snmp_value *);
-
-void snmp_pdu_free(struct snmp_pdu *);
-enum snmp_code snmp_pdu_decode(struct asn_buf *b, struct snmp_pdu *pdu, int32_t *);
-enum snmp_code snmp_pdu_encode(struct snmp_pdu *pdu, struct asn_buf *resp_b);
-
-int snmp_pdu_snoop(const struct asn_buf *);
-
-void snmp_pdu_dump(const struct snmp_pdu *pdu);
-
-extern void (*snmp_error)(const char *, ...);
-extern void (*snmp_printf)(const char *, ...);
-
-#define TRUTH_MK(F) ((F) ? 1 : 2)
-#define TRUTH_GET(T) (((T) == 1) ? 1 : 0)
-#define TRUTH_OK(T)  ((T) == 1 || (T) == 2)
-
-#endif
diff --git a/src/bsnmp/snmppriv.h b/src/bsnmp/snmppriv.h
deleted file mode 100644
index 87ef60e..0000000
--- a/src/bsnmp/snmppriv.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright (c) 2001-2003
- *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
- *	All rights reserved.
- *
- * Author: Harti Brandt <harti@freebsd.org>
- *
- * 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 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 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.
- *
- * $Begemot: bsnmp/lib/snmppriv.h,v 1.9 2004/08/06 08:46:58 brandt Exp $
- *
- * Private functions.
- */
-#include <sys/cdefs.h>
-
-enum asn_err snmp_binding_encode(struct asn_buf *, const struct snmp_value *);
-enum snmp_code snmp_pdu_encode_header(struct asn_buf *, struct snmp_pdu *);
-enum snmp_code snmp_fix_encoding(struct asn_buf *, const struct snmp_pdu *);
-enum asn_err snmp_parse_message_hdr(struct asn_buf *b, struct snmp_pdu *pdu,
-    asn_len_t *lenp);
-enum asn_err snmp_parse_pdus_hdr(struct asn_buf *b, struct snmp_pdu *pdu,
-    asn_len_t *lenp);
-
-#define DEFAULT_HOST "localhost"
-#define DEFAULT_PORT "snmp"
-#define DEFAULT_LOCAL "/var/run/snmp.sock"