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gnupg/common/mbox-util.h
Werner Koch 6b9f772914
common: Prepare for parsing mail sub-addresses.
* 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>
2018-11-12 07:44:33 +01:00

31 lines
1.2 KiB
C

/* mbox-util.h - Defs for mail address helper functions
* Copyright (C) 2015 Werner Koch
*
* This file is part of GnuPG.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
*/
#ifndef GNUPG_COMMON_MBOX_UTIL_H
#define GNUPG_COMMON_MBOX_UTIL_H
int has_invalid_email_chars (const void *buffer, size_t length);
int is_valid_mailbox (const char *name);
int is_valid_mailbox_mem (const void *buffer, size_t length);
char *mailbox_from_userid (const char *userid, int subaddress);
int is_valid_user_id (const char *uid);
int is_valid_domain_name (const char *string);
#endif /*GNUPG_COMMON_MBOX_UTIL_H*/