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common: Prepare for parsing mail sub-addresses.

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* common/mbox-util.c (mailbox_from_userid): Add arg subaddress and
implement.  Change all callers to pass false for it.

* common/t-mbox-util.c (run_mbox_no_sub_test): New.
(run_filter): Add arg no_sub.
(main): Call new test and add option --no-sub.
--

Some stats: In the about 5300000 keys on the SKS servers we found 3055
unique mailboxes with a '+' in it.  After removing leading and
trailing '+' as well as multiple '+' (e.g. "c++" or "foo+bar+baz")
2697 were left which seem to be valid sub-addresses.

To filter mailboxes out from a line delimited list with
user-ids (e.g. an SQL output), the command

   t-mbox-util --verbose --filter

can be used; to output w/o sub-addresses add --no-sub.

GnuPG-bug-id: 4200
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2018-11-12 07:44:33 +01:00
parent bbed4746ed
commit 6b9f772914
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
16 changed files with 139 additions and 27 deletions
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2
g10/getkey.c
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@ -1373,7 +1373,7 @@ pubkey_cmp (ctrl_t ctrl, const char *name, struct pubkey_cmp_cookie *old,
n; n = find_next_kbnode (n, PKT_USER_ID))
{
PKT_user_id *uid = n->pkt->pkt.user_id;
char *mbox = mailbox_from_userid (uid->name);
char *mbox = mailbox_from_userid (uid->name, 0);
int match = mbox ? strcasecmp (name, mbox) == 0 : 0;
xfree (mbox);