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-rw-r--r--crypto/heimdal/lib/asn1/der_get.c356
1 files changed, 0 insertions, 356 deletions
diff --git a/crypto/heimdal/lib/asn1/der_get.c b/crypto/heimdal/lib/asn1/der_get.c
deleted file mode 100644
index 9f0616bcef6da..0000000000000
--- a/crypto/heimdal/lib/asn1/der_get.c
+++ /dev/null
@@ -1,356 +0,0 @@
-/*
- * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * 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 Institute 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 INSTITUTE 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 INSTITUTE 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 "der_locl.h"
-
-RCSID("$Id: der_get.c,v 1.27 1999/12/02 17:05:01 joda Exp $");
-
-#include <version.h>
-
-/*
- * All decoding functions take a pointer `p' to first position in
- * which to read, from the left, `len' which means the maximum number
- * of characters we are able to read, `ret' were the value will be
- * returned and `size' where the number of used bytes is stored.
- * Either 0 or an error code is returned.
- */
-
-static int
-der_get_unsigned (const unsigned char *p, size_t len,
- unsigned *ret, size_t *size)
-{
- unsigned val = 0;
- size_t oldlen = len;
-
- while (len--)
- val = val * 256 + *p++;
- *ret = val;
- if(size) *size = oldlen;
- return 0;
-}
-
-int
-der_get_int (const unsigned char *p, size_t len,
- int *ret, size_t *size)
-{
- int val = 0;
- size_t oldlen = len;
-
- if (len--)
- val = (signed char)*p++;
- while (len--)
- val = val * 256 + *p++;
- *ret = val;
- if(size) *size = oldlen;
- return 0;
-}
-
-int
-der_get_length (const unsigned char *p, size_t len,
- size_t *val, size_t *size)
-{
- size_t v;
-
- if (len <= 0)
- return ASN1_OVERRUN;
- --len;
- v = *p++;
- if (v < 128) {
- *val = v;
- if(size) *size = 1;
- } else {
- int e;
- size_t l;
- unsigned tmp;
-
- if(v == 0x80){
- *val = ASN1_INDEFINITE;
- if(size) *size = 1;
- return 0;
- }
- v &= 0x7F;
- if (len < v)
- return ASN1_OVERRUN;
- e = der_get_unsigned (p, v, &tmp, &l);
- if(e) return e;
- *val = tmp;
- if(size) *size = l + 1;
- }
- return 0;
-}
-
-int
-der_get_general_string (const unsigned char *p, size_t len,
- general_string *str, size_t *size)
-{
- char *s;
-
- s = malloc (len + 1);
- if (s == NULL)
- return ENOMEM;
- memcpy (s, p, len);
- s[len] = '\0';
- *str = s;
- if(size) *size = len;
- return 0;
-}
-
-int
-der_get_octet_string (const unsigned char *p, size_t len,
- octet_string *data, size_t *size)
-{
- data->length = len;
- data->data = malloc(len);
- if (data->data == NULL && data->length != 0)
- return ENOMEM;
- memcpy (data->data, p, len);
- if(size) *size = len;
- return 0;
-}
-
-int
-der_get_tag (const unsigned char *p, size_t len,
- Der_class *class, Der_type *type,
- int *tag, size_t *size)
-{
- if (len < 1)
- return ASN1_OVERRUN;
- *class = (Der_class)(((*p) >> 6) & 0x03);
- *type = (Der_type)(((*p) >> 5) & 0x01);
- *tag = (*p) & 0x1F;
- if(size) *size = 1;
- return 0;
-}
-
-int
-der_match_tag (const unsigned char *p, size_t len,
- Der_class class, Der_type type,
- int tag, size_t *size)
-{
- size_t l;
- Der_class thisclass;
- Der_type thistype;
- int thistag;
- int e;
-
- e = der_get_tag (p, len, &thisclass, &thistype, &thistag, &l);
- if (e) return e;
- if (class != thisclass || type != thistype)
- return ASN1_BAD_ID;
- if(tag > thistag)
- return ASN1_MISPLACED_FIELD;
- if(tag < thistag)
- return ASN1_MISSING_FIELD;
- if(size) *size = l;
- return 0;
-}
-
-int
-der_match_tag_and_length (const unsigned char *p, size_t len,
- Der_class class, Der_type type, int tag,
- size_t *length_ret, size_t *size)
-{
- size_t l, ret = 0;
- int e;
-
- e = der_match_tag (p, len, class, type, tag, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- e = der_get_length (p, len, length_ret, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- if(size) *size = ret;
- return 0;
-}
-
-int
-decode_integer (const unsigned char *p, size_t len,
- int *num, size_t *size)
-{
- size_t ret = 0;
- size_t l, reallen;
- int e;
-
- e = der_match_tag (p, len, UNIV, PRIM, UT_Integer, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- e = der_get_length (p, len, &reallen, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- e = der_get_int (p, reallen, num, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- if(size) *size = ret;
- return 0;
-}
-
-int
-decode_general_string (const unsigned char *p, size_t len,
- general_string *str, size_t *size)
-{
- size_t ret = 0;
- size_t l;
- int e;
- size_t slen;
-
- e = der_match_tag (p, len, UNIV, PRIM, UT_GeneralString, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
-
- e = der_get_length (p, len, &slen, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- if (len < slen)
- return ASN1_OVERRUN;
-
- e = der_get_general_string (p, slen, str, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- if(size) *size = ret;
- return 0;
-}
-
-int
-decode_octet_string (const unsigned char *p, size_t len,
- octet_string *k, size_t *size)
-{
- size_t ret = 0;
- size_t l;
- int e;
- size_t slen;
-
- e = der_match_tag (p, len, UNIV, PRIM, UT_OctetString, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
-
- e = der_get_length (p, len, &slen, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- if (len < slen)
- return ASN1_OVERRUN;
-
- e = der_get_octet_string (p, slen, k, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- if(size) *size = ret;
- return 0;
-}
-
-static void
-generalizedtime2time (const char *s, time_t *t)
-{
- struct tm tm;
-
- memset(&tm, 0, sizeof(tm));
- sscanf (s, "%04d%02d%02d%02d%02d%02dZ",
- &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &tm.tm_hour,
- &tm.tm_min, &tm.tm_sec);
- tm.tm_year -= 1900;
- tm.tm_mon -= 1;
- *t = timegm (&tm);
-}
-
-int
-decode_generalized_time (const unsigned char *p, size_t len,
- time_t *t, size_t *size)
-{
- octet_string k;
- char *times;
- size_t ret = 0;
- size_t l;
- int e;
- size_t slen;
-
- e = der_match_tag (p, len, UNIV, PRIM, UT_GeneralizedTime, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
-
- e = der_get_length (p, len, &slen, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- if (len < slen)
- return ASN1_OVERRUN;
- e = der_get_octet_string (p, slen, &k, &l);
- if (e) return e;
- p += l;
- len -= l;
- ret += l;
- times = realloc(k.data, k.length + 1);
- if (times == NULL){
- free(k.data);
- return ENOMEM;
- }
- times[k.length] = 0;
- generalizedtime2time (times, t);
- free (times);
- if(size) *size = ret;
- return 0;
-}
-
-
-int
-fix_dce(size_t reallen, size_t *len)
-{
- if(reallen == ASN1_INDEFINITE)
- return 1;
- if(*len < reallen)
- return -1;
- *len = reallen;
- return 0;
-}
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