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gpg: Implement keybox compression run

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* kbx/keybox-init.c (keybox_lock): Add arg TIMEOUT and change all
callers to pass -1.
* g10/keydb.c (keydb_add_resource): Call keybox_compress.
--

Note that here in the 2.2 branch the way we call the locking in gpgsm
is different from the one in gpg.  So we could not cherry-pick from
master.

GnuPG-bug-id: 4644
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-08-23 15:51:13 +02:00
parent 34f55c5e34
commit b5f7ac6c36
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
3 changed files with 28 additions and 9 deletions
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12
kbx/keybox-init.c
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@ -262,9 +262,12 @@ _keybox_close_file (KEYBOX_HANDLE hd)
/*
* Lock the keybox at handle HD, or unlock if YES is false.
* Lock the keybox at handle HD, or unlock if YES is false. TIMEOUT
* is the value used for dotlock_take. In general -1 should be used
* when taking a lock; use 0 when releasing a lock.
*/
gpg_error_t
keybox_lock (KEYBOX_HANDLE hd, int yes)
keybox_lock (KEYBOX_HANDLE hd, int yes, long timeout)
{
gpg_error_t err = 0;
KB_NAME kb = hd->kb;
@ -298,10 +301,13 @@ keybox_lock (KEYBOX_HANDLE hd, int yes)
* in a deadlock. */
_keybox_close_file (hd);
#endif /*HAVE_W32_SYSTEM*/
if (dotlock_take (kb->lockhd, -1))
if (dotlock_take (kb->lockhd, timeout))
{
err = gpg_error_from_syserror ();
log_info ("can't lock '%s'\n", kb->fname );
if (!timeout && gpg_err_code (err) == GPG_ERR_EACCES)
; /* No diagnostic if we only tried to lock. */
else
log_info ("can't lock '%s'\n", kb->fname );
}
else
kb->is_locked = 1;