Move rrdbot code into right project.

1 files changed, 0 insertions, 1000 deletions

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");
-}