folder_pop.c
3.48 KB
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <folder0.h>
#include <url0.h>
#include <registrar0.h>
/* We export url parsing and the initialisation of
the mailbox, via the register entry/record. */
static struct _record _pop_record =
{
MU_POP_SCHEME,
_url_pop_init, /* Url init. */
_mailbox_pop_init, /* Mailbox init. */
NULL, /* Mailer init. */
_folder_pop_init, /* Folder init. */
NULL, /* No need for an back pointer. */
NULL, /* _is_scheme method. */
NULL, /* _get_url method. */
NULL, /* _get_mailbox method. */
NULL, /* _get_mailer method. */
NULL /* _get_folder method. */
};
record_t pop_record = &_pop_record;
static int folder_pop_open __P ((folder_t, int));
static int folder_pop_close __P ((folder_t));
static int folder_pop_get_authority __P ((folder_t, authority_t *));
extern int _pop_user __P ((authority_t));
extern int _pop_apop __P ((authority_t));
/* XXX: The way, the POP folder is handle is not clean at all.
the I/O functions should have been here on folder, not in mbx_pop.c */
int
_folder_pop_init (folder_t folder)
{
int status;
/* Set the authority early:
(1) so we can check for errors.
(2) allow the client to get the authority for setting the ticket
before the open. */
status = folder_pop_get_authority (folder, NULL);
if (status != 0)
return status;
folder->_open = folder_pop_open;
folder->_close = folder_pop_close;
return 0;
}
static int
folder_pop_open (folder_t folder, int flags)
{
mailbox_t mbox = folder->data;
return mailbox_open (mbox, flags);
}
static int
folder_pop_close (folder_t folder)
{
mailbox_t mbox = folder->data;
return mailbox_close (mbox);
}
static int
folder_pop_get_authority (folder_t folder, authority_t *pauth)
{
int status = 0;
if (folder->authority == NULL)
{
/* assert (folder->url); */
if (folder->url == NULL)
return EINVAL;
if (folder->url->auth == NULL
|| strcasecmp (folder->url->auth, "*") == 0)
{
status = authority_create (&folder->authority, NULL, folder);
authority_set_authenticate (folder->authority, _pop_user, folder);
}
/*
"+apop" could be supported.
Anything else starting with "+" is an extension mechanism.
Without a "+" it's a SASL mechanism.
*/
else if (strcasecmp (folder->url->auth, "+APOP") == 0)
{
status = authority_create (&folder->authority, NULL, folder);
authority_set_authenticate (folder->authority, _pop_apop, folder);
}
else
{
status = ENOSYS;
}
}
if (pauth)
*pauth = folder->authority;
return status;
}