/* Print records with record numbers FROM to TO to OUTFP. */
int
_keybox_dump_cut_records (const char *filename, unsigned long from,
unsigned long to, FILE *outfp)
{
FILE *fp;
KEYBOXBLOB blob;
int rc;
unsigned long recno = 0;
if (!(fp = open_file (&filename, stderr)))
return gpg_error_from_syserror ();
while ( !(rc = _keybox_read_blob (&blob, fp)) )
{
if (recno > to)
break; /* Ready. */
if (recno >= from)
{
if ((rc = _keybox_write_blob (blob, outfp)))
{
fprintf (stderr, "error writing output: %s\n",
gpg_strerror (rc));
goto leave;
}
}
_keybox_release_blob (blob);
recno++;
}
if (rc == -1)
rc = 0;
if (rc)
fprintf (stderr, "error reading '%s': %s\n", filename, gpg_strerror (rc));
leave:
if (fp != stdin)
fclose (fp);
return rc;
}
static void
import_openpgp (const char *filename, int dryrun)
{
gpg_error_t err;
char *buffer;
size_t buflen, nparsed;
unsigned char *p;
struct _keybox_openpgp_info info;
KEYBOXBLOB blob;
buffer = read_file (filename, &buflen);
if (!buffer)
return;
p = (unsigned char *)buffer;
for (;;)
{
err = _keybox_parse_openpgp (p, buflen, &nparsed, &info);
assert (nparsed <= buflen);
if (err)
{
if (gpg_err_code (err) == GPG_ERR_NO_DATA)
break;
if (gpg_err_code (err) == GPG_ERR_UNSUPPORTED_ALGORITHM)
{
/* This is likely a v3 key packet with a non-RSA
algorithm. These are keys from very early versions
of GnuPG (pre-OpenPGP). */
}
else
{
fflush (stdout);
log_info ("%s: failed to parse OpenPGP keyblock: %s\n",
filename, gpg_strerror (err));
}
}
else
{
if (dryrun)
dump_openpgp_key (&info, p);
else
{
err = _keybox_create_openpgp_blob (&blob, &info, p, nparsed,
NULL, 0);
if (err)
{
fflush (stdout);
log_error ("%s: failed to create OpenPGP keyblock: %s\n",
filename, gpg_strerror (err));
}
else
{
err = _keybox_write_blob (blob, stdout);
_keybox_release_blob (blob);
if (err)
{
fflush (stdout);
log_error ("%s: failed to write OpenPGP keyblock: %s\n",
filename, gpg_strerror (err));
}
}
}
_keybox_destroy_openpgp_info (&info);
}
p += nparsed;
buflen -= nparsed;
}
xfree (buffer);
}
