summaryrefslogtreecommitdiff
path: root/crypto/heimdal/lib/asn1/der_put.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/heimdal/lib/asn1/der_put.c')
-rw-r--r--crypto/heimdal/lib/asn1/der_put.c418
1 files changed, 0 insertions, 418 deletions
diff --git a/crypto/heimdal/lib/asn1/der_put.c b/crypto/heimdal/lib/asn1/der_put.c
deleted file mode 100644
index 1dfafdc334b1a..0000000000000
--- a/crypto/heimdal/lib/asn1/der_put.c
+++ /dev/null
@@ -1,418 +0,0 @@
-/*
- * Copyright (c) 1997 - 2001 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_put.c,v 1.27 2001/09/25 23:37:25 assar Exp $");
-
-/*
- * All encoding functions take a pointer `p' to first position in
- * which to write, from the right, `len' which means the maximum
- * number of characters we are able to write. The function returns
- * the number of characters written in `size' (if non-NULL).
- * The return value is 0 or an error.
- */
-
-static int
-der_put_unsigned (unsigned char *p, size_t len, unsigned val, size_t *size)
-{
- unsigned char *base = p;
-
- if (val) {
- while (len > 0 && val) {
- *p-- = val % 256;
- val /= 256;
- --len;
- }
- if (val != 0)
- return ASN1_OVERFLOW;
- else {
- *size = base - p;
- return 0;
- }
- } else if (len < 1)
- return ASN1_OVERFLOW;
- else {
- *p = 0;
- *size = 1;
- return 0;
- }
-}
-
-int
-der_put_int (unsigned char *p, size_t len, int val, size_t *size)
-{
- unsigned char *base = p;
-
- if(val >= 0) {
- do {
- if(len < 1)
- return ASN1_OVERFLOW;
- *p-- = val % 256;
- len--;
- val /= 256;
- } while(val);
- if(p[1] >= 128) {
- if(len < 1)
- return ASN1_OVERFLOW;
- *p-- = 0;
- len--;
- }
- } else {
- val = ~val;
- do {
- if(len < 1)
- return ASN1_OVERFLOW;
- *p-- = ~(val % 256);
- len--;
- val /= 256;
- } while(val);
- if(p[1] < 128) {
- if(len < 1)
- return ASN1_OVERFLOW;
- *p-- = 0xff;
- len--;
- }
- }
- *size = base - p;
- return 0;
-}
-
-
-int
-der_put_length (unsigned char *p, size_t len, size_t val, size_t *size)
-{
- if (len < 1)
- return ASN1_OVERFLOW;
- if (val < 128) {
- *p = val;
- *size = 1;
- return 0;
- } else {
- size_t l;
- int e;
-
- e = der_put_unsigned (p, len - 1, val, &l);
- if (e)
- return e;
- p -= l;
- *p = 0x80 | l;
- *size = l + 1;
- return 0;
- }
-}
-
-int
-der_put_general_string (unsigned char *p, size_t len,
- const general_string *str, size_t *size)
-{
- size_t slen = strlen(*str);
-
- if (len < slen)
- return ASN1_OVERFLOW;
- p -= slen;
- len -= slen;
- memcpy (p+1, *str, slen);
- *size = slen;
- return 0;
-}
-
-int
-der_put_octet_string (unsigned char *p, size_t len,
- const octet_string *data, size_t *size)
-{
- if (len < data->length)
- return ASN1_OVERFLOW;
- p -= data->length;
- len -= data->length;
- memcpy (p+1, data->data, data->length);
- *size = data->length;
- return 0;
-}
-
-int
-der_put_oid (unsigned char *p, size_t len,
- const oid *data, size_t *size)
-{
- unsigned char *base = p;
- int n;
-
- for (n = data->length - 1; n >= 2; --n) {
- unsigned u = data->components[n];
-
- if (len < 1)
- return ASN1_OVERFLOW;
- *p-- = u % 128;
- u /= 128;
- --len;
- while (u > 0) {
- if (len < 1)
- return ASN1_OVERFLOW;
- *p-- = 128 + u % 128;
- u /= 128;
- --len;
- }
- }
- if (len < 1)
- return ASN1_OVERFLOW;
- *p-- = 40 * data->components[0] + data->components[1];
- *size = base - p;
- return 0;
-}
-
-int
-der_put_tag (unsigned char *p, size_t len, Der_class class, Der_type type,
- int tag, size_t *size)
-{
- if (len < 1)
- return ASN1_OVERFLOW;
- *p = (class << 6) | (type << 5) | tag; /* XXX */
- *size = 1;
- return 0;
-}
-
-int
-der_put_length_and_tag (unsigned char *p, size_t len, size_t len_val,
- Der_class class, Der_type type, int tag, size_t *size)
-{
- size_t ret = 0;
- size_t l;
- int e;
-
- e = der_put_length (p, len, len_val, &l);
- if(e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- e = der_put_tag (p, len, class, type, tag, &l);
- if(e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- *size = ret;
- return 0;
-}
-
-int
-encode_integer (unsigned char *p, size_t len, const int *data, size_t *size)
-{
- int num = *data;
- size_t ret = 0;
- size_t l;
- int e;
-
- e = der_put_int (p, len, num, &l);
- if(e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- e = der_put_length_and_tag (p, len, l, UNIV, PRIM, UT_Integer, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- *size = ret;
- return 0;
-}
-
-int
-encode_unsigned (unsigned char *p, size_t len, const unsigned *data,
- size_t *size)
-{
- unsigned num = *data;
- size_t ret = 0;
- size_t l;
- int e;
-
- e = der_put_unsigned (p, len, num, &l);
- if(e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- e = der_put_length_and_tag (p, len, l, UNIV, PRIM, UT_Integer, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- *size = ret;
- return 0;
-}
-
-int
-encode_enumerated (unsigned char *p, size_t len, const unsigned *data,
- size_t *size)
-{
- unsigned num = *data;
- size_t ret = 0;
- size_t l;
- int e;
-
- e = der_put_int (p, len, num, &l);
- if(e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- e = der_put_length_and_tag (p, len, l, UNIV, PRIM, UT_Enumerated, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- *size = ret;
- return 0;
-}
-
-int
-encode_general_string (unsigned char *p, size_t len,
- const general_string *data, size_t *size)
-{
- size_t ret = 0;
- size_t l;
- int e;
-
- e = der_put_general_string (p, len, data, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- e = der_put_length_and_tag (p, len, l, UNIV, PRIM, UT_GeneralString, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- *size = ret;
- return 0;
-}
-
-int
-encode_octet_string (unsigned char *p, size_t len,
- const octet_string *k, size_t *size)
-{
- size_t ret = 0;
- size_t l;
- int e;
-
- e = der_put_octet_string (p, len, k, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- e = der_put_length_and_tag (p, len, l, UNIV, PRIM, UT_OctetString, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- *size = ret;
- return 0;
-}
-
-int
-encode_oid(unsigned char *p, size_t len,
- const oid *k, size_t *size)
-{
- size_t ret = 0;
- size_t l;
- int e;
-
- e = der_put_oid (p, len, k, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- e = der_put_length_and_tag (p, len, l, UNIV, PRIM, UT_OID, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- *size = ret;
- return 0;
-}
-
-int
-time2generalizedtime (time_t t, octet_string *s)
-{
- struct tm *tm;
-
- s->data = malloc(16);
- if (s->data == NULL)
- return ENOMEM;
- s->length = 15;
- tm = gmtime (&t);
- sprintf (s->data, "%04d%02d%02d%02d%02d%02dZ", tm->tm_year + 1900,
- tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min,
- tm->tm_sec);
- return 0;
-}
-
-int
-encode_generalized_time (unsigned char *p, size_t len,
- const time_t *t, size_t *size)
-{
- size_t ret = 0;
- size_t l;
- octet_string k;
- int e;
-
- e = time2generalizedtime (*t, &k);
- if (e)
- return e;
- e = der_put_octet_string (p, len, &k, &l);
- free (k.data);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- e = der_put_length_and_tag (p, len, k.length, UNIV, PRIM,
- UT_GeneralizedTime, &l);
- if (e)
- return e;
- p -= l;
- len -= l;
- ret += l;
- *size = ret;
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-12 16:14:28 +0000