/* Handle a CIPHERTEXT inquiry. Note, we only send the data,
assuan_transact talkes care of flushing and writing the end */
static gpg_error_t
inq_ciphertext_cb (void *opaque, const char *line)
{
struct cipher_parm_s *parm = opaque;
int rc;
if (!strncmp (line, "CIPHERTEXT", 10) && (line[10]==' '||!line[10]))
{
assuan_begin_confidential (parm->ctx);
rc = assuan_send_data (parm->ctx, parm->ciphertext, parm->ciphertextlen);
assuan_end_confidential (parm->ctx);
}
else
rc = default_inq_cb (parm->ctx, line);
return rc;
}
/* Handle the NEEDPIN inquiry. */
static gpg_error_t
inq_needpin (void *opaque, const char *line)
{
struct inq_needpin_s *parm = opaque;
const char *s;
char *pin;
size_t pinlen;
int rc;
parm->any_inq_seen = 1;
if ((s = has_leading_keyword (line, "NEEDPIN")))
{
line = s;
pinlen = 90;
pin = gcry_malloc_secure (pinlen);
if (!pin)
return out_of_core ();
rc = parm->getpin_cb (parm->getpin_cb_arg, line, pin, pinlen);
if (!rc)
rc = assuan_send_data (parm->ctx, pin, pinlen);
xfree (pin);
}
else if ((s = has_leading_keyword (line, "POPUPPINPADPROMPT")))
{
rc = parm->getpin_cb (parm->getpin_cb_arg, s, NULL, 1);
}
else if ((s = has_leading_keyword (line, "DISMISSPINPADPROMPT")))
{
rc = parm->getpin_cb (parm->getpin_cb_arg, "", NULL, 0);
}
else if (parm->passthru)
{
unsigned char *value;
size_t valuelen;
int rest;
int needrest = !strncmp (line, "KEYDATA", 8);
/* Pass the inquiry up to our caller. We limit the maximum
amount to an arbitrary value. As we know that the KEYDATA
enquiry is pretty sensitive we disable logging then */
if ((rest = (needrest
&& !assuan_get_flag (parm->passthru, ASSUAN_CONFIDENTIAL))))
assuan_begin_confidential (parm->passthru);
rc = assuan_inquire (parm->passthru, line, &value, &valuelen, 8096);
if (rest)
assuan_end_confidential (parm->passthru);
if (!rc)
{
if ((rest = (needrest
&& !assuan_get_flag (parm->ctx, ASSUAN_CONFIDENTIAL))))
assuan_begin_confidential (parm->ctx);
rc = assuan_send_data (parm->ctx, value, valuelen);
if (rest)
assuan_end_confidential (parm->ctx);
xfree (value);
}
else
log_error ("error forwarding inquiry '%s': %s\n",
line, gpg_strerror (rc));
}
else
{
log_error ("unsupported inquiry '%s'\n", line);
rc = gpg_error (GPG_ERR_ASS_UNKNOWN_INQUIRE);
}
return rc;
}
