kbx: Allow writing using a estream.

* kbx/keybox-file.c (_keybox_write_header_blob): New optional arg
stream.  Change callers.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-08-06 14:59:37 +02:00
parent 0611f548bc
commit 1f980d23af
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
5 changed files with 19 additions and 10 deletions

View File

@ -448,7 +448,7 @@ maybe_create_keyring_or_box (char *filename, int is_box, int force_create)
rc = gpg_error_from_syserror ();
else
{
rc = _keybox_write_header_blob (fp, 1);
rc = _keybox_write_header_blob (fp, NULL, 1);
fclose (fp);
}
if (rc)

View File

@ -146,9 +146,9 @@ _keybox_write_blob (KEYBOXBLOB blob, FILE *fp)
}
/* Write a fresh header type blob. */
int
_keybox_write_header_blob (FILE *fp, int for_openpgp)
/* Write a fresh header type blob. Either FP or STREAM must be used. */
gpg_error_t
_keybox_write_header_blob (FILE *fp, estream_t stream, int for_openpgp)
{
unsigned char image[32];
u32 val;
@ -174,7 +174,15 @@ _keybox_write_header_blob (FILE *fp, int for_openpgp)
image[20+2] = (val >> 8);
image[20+3] = (val );
if (fwrite (image, 32, 1, fp) != 1)
return gpg_error_from_syserror ();
if (fp)
{
if (fwrite (image, 32, 1, fp) != 1)
return gpg_error_from_syserror ();
}
else
{
if (es_fwrite (image, 32, 1, stream) != 1)
return gpg_error_from_syserror ();
}
return 0;
}

View File

@ -182,7 +182,7 @@ blob_filecopy (int mode, const char *fname, KEYBOXBLOB blob,
if (!newfp )
return gpg_error_from_syserror ();
rc = _keybox_write_header_blob (newfp, for_openpgp);
rc = _keybox_write_header_blob (newfp, NULL, for_openpgp);
if (rc)
{
fclose (newfp);
@ -730,7 +730,7 @@ keybox_compress (KEYBOX_HANDLE hd)
}
/* The header blob is missing. Insert it. */
rc = _keybox_write_header_blob (newfp, hd->for_openpgp);
rc = _keybox_write_header_blob (newfp, NULL, hd->for_openpgp);
if (rc)
break;
any_changes = 1;

View File

@ -81,7 +81,8 @@ gpg_error_t keybox_lock (KEYBOX_HANDLE hd, int yes, long timeout);
/*-- keybox-file.c --*/
/* Fixme: This function does not belong here: Provide a better
interface to create a new keybox file. */
int _keybox_write_header_blob (FILE *fp, int openpgp_flag);
gpg_error_t _keybox_write_header_blob (FILE *fp, estream_t stream,
int openpgp_flag);
/*-- keybox-search.c --*/
gpg_error_t keybox_get_keyblock (KEYBOX_HANDLE hd, iobuf_t *r_iobuf,

View File

@ -224,7 +224,7 @@ maybe_create_keybox (char *filename, int force, int *r_created)
/* Make sure that at least one record is in a new keybox file, so
that the detection magic for OpenPGP keyboxes works the next time
it is used. */
rc = _keybox_write_header_blob (fp, 0);
rc = _keybox_write_header_blob (fp, NULL, 0);
if (rc)
{
fclose (fp);