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gpg: Add --list-filter properties key_expires and key_expires_d.

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* g10/import.c (impex_filter_getval): Support new filter properties.
--

Here is how to list all subkeys expiring in the year 2061:

 gpg --list-keys --list-filter
      'select= sub/key_expires_d -gt 2061-01-01 \
               && sub/key_expires_d -lt 2061-12-31'

To list all primary key expirations, use the "pub/" prefix and to list
all expiration dates use no prefix.

GnuPG-bug-id: 6509
This commit is contained in:
Werner Koch 2023-06-09 16:16:56 +02:00
parent 207c99567c
commit c68dd22872
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
2 changed files with 20 additions and 0 deletions
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6
doc/gpg.texi
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@ -2671,6 +2671,12 @@ The available properties are:
created. The second is the same but given as an ISO string,
e.g. "2016-08-17". (drop-subkey)
@item key_expires
@itemx key_expires_d
The expiration time of a public key or subkey or 0 if it does not
expire. The second is the same but given as an ISO date string or
an empty string e.g. "2038-01-19".
@item fpr
The hexified fingerprint of the current subkey or primary key.
(drop-subkey)

14
g10/import.c
View File

@ -1564,6 +1564,20 @@ impex_filter_getval (void *cookie, const char *propname)
{
result = dateonlystr_from_pk (pk);
}
else if (!strcmp (propname, "key_expires"))
{
snprintf (numbuf, sizeof numbuf, "%lu", (ulong)pk->expiredate);
result = numbuf;
}
else if (!strcmp (propname, "key_expires_d"))
{
static char exdatestr[MK_DATESTR_SIZE];
if (pk->expiredate)
result = mk_datestr (exdatestr, sizeof exdatestr, pk->expiredate);
else
result = "";
}
else if (!strcmp (propname, "expired"))
{
result = pk->has_expired? "1":"0";