static void
test_b64enc_file (const char *fname)
{
gpg_error_t err;
struct b64state state;
FILE *fp;
char buffer[50];
size_t nread;
fp = fname ? fopen (fname, "r") : stdin;
if (!fp)
{
fprintf (stderr, "%s:%d: can't open '%s': %s\n",
__FILE__, __LINE__, fname? fname:"[stdin]", strerror (errno));
fail (0);
}
err = b64enc_start (&state, stdout, "DATA");
if (err)
fail (1);
while ( (nread = fread (buffer, 1, sizeof buffer, fp)) )
{
err = b64enc_write (&state, buffer, nread);
if (err)
fail (2);
}
err = b64enc_finish (&state);
if (err)
fail (3);
fclose (fp);
pass ();
}
static gpg_error_t
armor_data (char **r_string, const void *data, size_t datalen)
{
gpg_error_t err;
struct b64state b64state;
estream_t fp;
long length;
char *buffer;
size_t nread;
*r_string = NULL;
fp = es_fopenmem (0, "rw");
if (!fp)
return gpg_error_from_syserror ();
if ((err=b64enc_start_es (&b64state, fp, "PGP PUBLIC KEY BLOCK"))
|| (err=b64enc_write (&b64state, data, datalen))
|| (err = b64enc_finish (&b64state)))
{
es_fclose (fp);
return err;
}
/* FIXME: To avoid the extra buffer allocation estream should
provide a function to snatch the internal allocated memory from
such a memory stream. */
length = es_ftell (fp);
if (length < 0)
{
err = gpg_error_from_syserror ();
es_fclose (fp);
return err;
}
buffer = xtrymalloc (length+1);
if (!buffer)
{
err = gpg_error_from_syserror ();
es_fclose (fp);
return err;
}
es_rewind (fp);
if (es_read (fp, buffer, length, &nread))
{
err = gpg_error_from_syserror ();
es_fclose (fp);
return err;
}
buffer[nread] = 0;
es_fclose (fp);
*r_string = buffer;
return 0;
}
/* Print data as retrieved by the lookup function. */
static gpg_error_t
data_cb (void *opaque, const void *buffer, size_t length)
{
gpg_error_t err;
struct b64state *state = opaque;
if (buffer)
{
err = b64enc_write (state, buffer, length);
if (err)
log_error (_("error writing base64 encoding: %s\n"),
gpg_strerror (err));
}
return 0;
}
static void
test_b64enc_pgp (const char *string)
{
gpg_error_t err;
struct b64state state;
if (!string)
string = "a";
err = b64enc_start (&state, stdout, "PGP MESSAGE");
if (err)
fail (1);
err = b64enc_write (&state, string, strlen (string));
if (err)
fail (2);
err = b64enc_finish (&state);
if (err)
fail (3);
pass ();
}
