/*
- * Copyright (C) 1994, Index Data I/S
- * All rights reserved.
+ * Copyright (c) 1995, Index Data
+ * See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: ber_oid.c,v $
- * Revision 1.3 1995-03-01 08:40:56 quinn
+ * Revision 1.7 1995-05-16 08:50:47 quinn
+ * License, documentation, and memory fixes
+ *
+ * Revision 1.6 1995/04/18 08:15:18 quinn
+ * Added dynamic memory allocation on encoding (whew). Code is now somewhat
+ * neater. We'll make the same change for decoding one day.
+ *
+ * Revision 1.5 1995/03/20 12:18:22 quinn
+ * Fixed bug in ber_oid
+ *
+ * Revision 1.4 1995/03/08 12:12:11 quinn
+ * Added better error checking.
+ *
+ * Revision 1.3 1995/03/01 08:40:56 quinn
* Smallish changes.
*
* Revision 1.2 1995/02/14 20:39:55 quinn
int ber_oidc(ODR o, Odr_oid *p)
{
- int len;
- unsigned char *lenp;
+ int len, lenp, end;
int pos, n, res, id;
unsigned char octs[8];
{
case ODR_DECODE:
if ((res = ber_declen(o->bp, &len)) < 1)
+ {
+ o->error = OPROTO;
return 0;
+ }
if (len < 0)
+ {
+ o->error = OPROTO;
return 0;
+ }
o->bp += res;
o->left -= res;
if (len == 0)
do
{
if (!len)
+ {
+ o->error = OPROTO;
return 0;
+ }
p[pos] <<= 7;
p[pos] |= *o->bp & 0X7F;
len--;
case ODR_ENCODE:
/* we'll allow ourselves the quiet luxury of only doing encodings
shorter than 127 */
- lenp = o->bp;
- o->bp++;
- o->left--;
+ lenp = odr_tell(o);
+ if (odr_putc(o, 0) < 0) /* dummy */
+ return 0;
if (p[0] < 0 && p[1] <= 0)
+ {
+ o->error = ODATA;
return 0;
- p[1] = p[0] * 40 + p[1];
+ }
for (pos = 1; p[pos] >= 0; pos++)
{
- id = p[pos];
+ id = pos > 1 ? p[pos] : p[0] * 40 + p[1];
n = 0;
do
{
id >>= 7;
}
while (id);
- if (n > o->left)
- return 0;
- o->left -= n;
while (n--)
- *(o->bp++) = octs[n] | ((n > 0) << 7);
+ {
+ unsigned char p;
+
+ p = octs[n] | ((n > 0) << 7);
+ if (odr_putc(o, p) < 0)
+ return 0;
+ }
}
- if (ber_enclen(lenp, (o->bp - lenp) - 1, 1, 1) != 1)
+ end = odr_tell(o);
+ odr_seek(o, ODR_S_SET, lenp);
+ if (ber_enclen(o, (end - lenp) - 1, 1, 1) != 1)
+ {
+ o->error = OOTHER;
return 0;
+ }
+ odr_seek(o, ODR_S_END, 0);
return 1;
- default: return 0;
+ default: o->error = OOTHER; return 0;
}
}