Exemple #1
0
int odr_peektag(ODR o, int *zclass, int *tag, int *cons)
{
    if (o->direction != ODR_DECODE)
    {
        odr_seterror(o, OOTHER, 48);
        return 0;
    }
    if (ODR_STACK_NOT_EMPTY(o) && !odr_constructed_more(o))
        return 0;
    if (ber_dectag(o->bp, zclass, tag, cons, odr_max(o)) <= 0)
    {
        odr_seterror(o, OREQUIRED, 49);
        return 0;
    }
    return 1;
}
Exemple #2
0
int ber_integer(ODR o, Odr_int *val)
{
    int res;

    switch (o->direction)
    {
    case ODR_DECODE:
        if ((res = ber_decinteger(o->bp, val, odr_max(o))) <= 0)
        {
            odr_seterror(o, OPROTO, 50);
            return 0;
        }
        o->bp += res;
        return 1;
    case ODR_ENCODE:
        if ((res = ber_encinteger(o, *val)) < 0)
            return 0;
        return 1;
    case ODR_PRINT:
        return 1;
    default:
        odr_seterror(o, OOTHER, 51);  return 0;
    }
}
Exemple #3
0
int ber_any(ODR o, Odr_any **p)
{
    int res;

    switch (o->direction)
    {
    case ODR_DECODE:
        if ((res = completeBER(o->bp, odr_max(o))) <= 0)        /* FIX THIS */
        {
            odr_seterror(o, OPROTO, 2);
            return 0;
        }
        (*p)->buf = (unsigned char *)odr_malloc(o, res);
        memcpy((*p)->buf, o->bp, res);
        (*p)->len = (*p)->size = res;
        o->bp += res;
        return 1;
    case ODR_ENCODE:
        if (odr_write(o, (*p)->buf, (*p)->len) < 0)
            return 0;
        return 1;
    default: odr_seterror(o, OOTHER, 3); return 0;
    }
}
Exemple #4
0
int ber_bitstring(ODR o, Odr_bitmask *p, int cons)
{
    int res, len;
    const char *base;

    switch (o->direction)
    {
    case ODR_DECODE:
        if ((res = ber_declen(o->op->bp, &len, odr_max(o))) < 0)
        {
            odr_seterror(o, OPROTO, 4);
            return 0;
        }
        o->op->bp += res;
        if (cons)       /* fetch component strings */
        {
            base = o->op->bp;
            while (odp_more_chunks(o, base, len))
                if (!odr_bitstring(o, &p, 0, 0))
                    return 0;
            return 1;
        }
        /* primitive bitstring */
        if (len < 0)
        {
            odr_seterror(o, OOTHER, 5);
            return 0;
        }
        if (len == 0)
            return 1;
        if (len - 1 > ODR_BITMASK_SIZE)
        {
            odr_seterror(o, OOTHER, 6);
            return 0;
        }
        if (len > odr_max(o))
        {
            odr_seterror(o, OOTHER, 7);
            return 0;
        }
        o->op->bp++;      /* silently ignore the unused-bits field */
        len--;
        memcpy(p->bits + p->top + 1, o->op->bp, len);
        p->top += len;
        o->op->bp += len;
        return 1;
    case ODR_ENCODE:
        if ((res = ber_enclen(o, p->top + 2, 5, 0)) < 0)
            return 0;
        if (odr_putc(o, 0) < 0)    /* no unused bits here */
            return 0;
        if (p->top < 0)
            return 1;
        if (odr_write(o, p->bits, p->top + 1) < 0)
            return 0;
        return 1;
    case ODR_PRINT:
        return 1;
    default:
        odr_seterror(o, OOTHER, 8);
        return 0;
    }
}