static int /* O - Number of OIDs */
asn1_get_oid(
unsigned char **buffer, /* IO - Pointer in buffer */
unsigned char *bufend, /* I - End of buffer */
int length, /* I - Length of value */
int *oid, /* I - OID buffer */
int oidsize) /* I - Size of OID buffer */
{
unsigned char *valend; /* End of value */
int *oidptr, /* Current OID */
*oidend; /* End of OID buffer */
int number; /* OID number */
valend = *buffer + length;
oidptr = oid;
oidend = oid + oidsize - 1;
if (valend > bufend)
valend = bufend;
number = asn1_get_packed(buffer, bufend);
if (number < 80)
{
*oidptr++ = number / 40;
number = number % 40;
*oidptr++ = number;
}
else
{
*oidptr++ = 2;
number -= 80;
*oidptr++ = number;
}
while (*buffer < valend)
{
number = asn1_get_packed(buffer, bufend);
if (oidptr < oidend)
*oidptr++ = number;
}
*oidptr = -1;
return (oidptr - oid);
}
static int /* O - Type */
asn1_get_type(unsigned char **buffer, /* IO - Pointer in buffer */
unsigned char *bufend) /* I - End of buffer */
{
int type; /* Type */
type = **buffer;
(*buffer) ++;
if ((type & 31) == 31)
type = asn1_get_packed(buffer, bufend);
return (type);
}
