id.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010-2012, 2014-2016 Free Software Foundation, Inc.
This library 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 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <mailutils/errno.h>
#include <mailutils/assoc.h>
#include <mailutils/stream.h>
#include <mailutils/imap.h>
#include <mailutils/sys/imap.h>
static int
_id_mapper (void **itmv, size_t itmc, void *call_data)
{
int rc;
char *copy;
mu_assoc_t assoc = call_data;
struct imap_list_element *key = itmv[0], *val = itmv[1];
if (key->type != imap_eltype_string || val->type != imap_eltype_string)
return MU_ERR_FAILURE;
copy = strdup (val->v.string);
if (!copy)
return errno;
rc = mu_assoc_install (assoc, key->v.string, copy);
if (rc == 0)
val->v.string = NULL;
return rc;
}
static mu_assoc_t
create_id_assoc (void)
{
mu_assoc_t assoc;
int rc = mu_assoc_create (&assoc, MU_ASSOC_ICASE);
if (rc)
return NULL;
mu_assoc_set_destroy_item (assoc, mu_list_free_item);
return assoc;
}
static void
parse_id_reply (mu_imap_t imap, mu_list_t resp, void *data)
{
mu_assoc_t *passoc = data;
struct imap_list_element *elt;
if (!data)
return;
elt = _mu_imap_list_at (resp, 0);
if (elt && _mu_imap_list_element_is_string (elt, "ID"))
{
elt = _mu_imap_list_at (resp, 1);
if (elt->type == imap_eltype_list)
{
mu_assoc_t assoc = create_id_assoc ();
if (assoc)
{
mu_list_gmap (elt->v.list, _id_mapper, 2, assoc);
*passoc = assoc;
}
}
}
}
int
mu_imap_id (mu_imap_t imap, char **idenv, mu_assoc_t *passoc)
{
int status;
mu_assoc_t assoc = NULL;
if (imap == NULL)
return EINVAL;
if (!imap->io)
return MU_ERR_NO_TRANSPORT;
if (imap->session_state == MU_IMAP_SESSION_INIT)
return MU_ERR_SEQ;
switch (imap->client_state)
{
case MU_IMAP_CLIENT_READY:
status = _mu_imap_tag_next (imap);
MU_IMAP_CHECK_EAGAIN (imap, status);
status = mu_imapio_printf (imap->io, "%s ID ", imap->tag_str);
MU_IMAP_CHECK_ERROR (imap, status);
if (!idenv)
status = mu_imapio_printf (imap->io, "NIL");
else
{
if (idenv[0])
{
int i;
char *delim = "(";
for (i = 0; idenv[i]; i++)
{
status = mu_imapio_printf (imap->io, "%s\"%s\"",
delim, idenv[i]);
MU_IMAP_CHECK_ERROR (imap, status);
delim = " ";
if (status)
break;
}
status = mu_imapio_printf (imap->io, ")");
}
else
status = mu_imapio_printf (imap->io, "()");
}
MU_IMAP_CHECK_ERROR (imap, status);
status = mu_imapio_printf (imap->io, "\r\n");
MU_IMAP_CHECK_ERROR (imap, status);
MU_IMAP_FCLR (imap, MU_IMAP_RESP);
imap->client_state = MU_IMAP_CLIENT_ID_RX;
case MU_IMAP_CLIENT_ID_RX:
status = _mu_imap_response (imap, parse_id_reply, &assoc);
MU_IMAP_CHECK_EAGAIN (imap, status);
switch (imap->response)
{
case MU_IMAP_OK:
status = 0;
*passoc = assoc ? assoc : create_id_assoc ();
break;
case MU_IMAP_NO:
status = EACCES;
break;
case MU_IMAP_BAD:
status = MU_ERR_BADREPLY;
break;
}
imap->client_state = MU_IMAP_CLIENT_READY;
break;
default:
status = EINPROGRESS;
}
return status;
}