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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2012 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>
#define STATUS_FLAG_MASK \
(MU_IMAP_STAT_MESSAGE_COUNT| \
MU_IMAP_STAT_RECENT_COUNT| \
MU_IMAP_STAT_UIDNEXT| \
MU_IMAP_STAT_UIDVALIDITY| \
MU_IMAP_STAT_FIRST_UNSEEN)
struct mu_kwd _mu_imap_status_name_table[] = {
{ "MESSAGES", MU_IMAP_STAT_MESSAGE_COUNT },
{ "RECENT", MU_IMAP_STAT_RECENT_COUNT },
{ "UIDNEXT", MU_IMAP_STAT_UIDNEXT },
{ "UIDVALIDITY", MU_IMAP_STAT_UIDVALIDITY },
{ "UNSEEN", MU_IMAP_STAT_FIRST_UNSEEN },
{ NULL }
};
static int
_status_mapper (void **itmv, size_t itmc, void *call_data)
{
struct mu_imap_stat *ps = call_data;
struct imap_list_element *kw = itmv[0], *val = itmv[1];
size_t value;
char *p;
int flag;
if (kw->type != imap_eltype_string || val->type != imap_eltype_string)
return MU_ERR_PARSE;
if (mu_kwd_xlat_name_ci (_mu_imap_status_name_table, kw->v.string, &flag))
return MU_ERR_PARSE;
value = strtoul (val->v.string, &p, 10);
if (*p)
return MU_ERR_PARSE;
ps->flags |= flag;
switch (flag)
{
case MU_IMAP_STAT_MESSAGE_COUNT:
ps->message_count = value;
break;
case MU_IMAP_STAT_RECENT_COUNT:
ps->recent_count = value;
break;
case MU_IMAP_STAT_UIDNEXT:
ps->uidnext = value;
break;
case MU_IMAP_STAT_UIDVALIDITY:
ps->uidvalidity = value;
break;
case MU_IMAP_STAT_FIRST_UNSEEN:
ps->first_unseen = value;
}
return 0;
}
struct status_data
{
const char *mboxname;
struct mu_imap_stat *ps;
};
static void
_status_response_action (mu_imap_t imap, mu_list_t response, void *data)
{
struct status_data *sd = data;
struct imap_list_element *elt;
elt = _mu_imap_list_at (response, 0);
if (elt && _mu_imap_list_element_is_string (elt, "STATUS"))
{
elt = _mu_imap_list_at (response, 1);
if (elt && _mu_imap_list_element_is_string (elt, sd->mboxname))
{
elt = _mu_imap_list_at (response, 2);
if (elt && elt->type == imap_eltype_list)
{
sd->ps->flags = 0;
mu_list_gmap (elt->v.list, _status_mapper, 2, sd->ps);
}
}
}
}
int
mu_imap_status (mu_imap_t imap, const char *mboxname, struct mu_imap_stat *ps)
{
int status;
int delim = 0;
int i;
if (imap == NULL)
return EINVAL;
if (!imap->io)
return MU_ERR_NO_TRANSPORT;
if (imap->session_state != MU_IMAP_SESSION_AUTH &&
imap->session_state != MU_IMAP_SESSION_SELECTED)
return MU_ERR_SEQ;
if (!ps)
return MU_ERR_OUT_PTR_NULL;
if ((ps->flags & STATUS_FLAG_MASK) == 0)
return EINVAL;
if (!mboxname)
{
if (imap->session_state == MU_IMAP_SESSION_SELECTED)
{
if (ps)
*ps = imap->mbox_stat;
return 0;
}
return EINVAL;
}
if (imap->mbox_name && strcmp (imap->mbox_name, mboxname) == 0)
{
if (ps)
*ps = imap->mbox_stat;
return 0;
}
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 STATUS %s (",
imap->tag_str, mboxname);
MU_IMAP_CHECK_ERROR (imap, status);
delim = 0;
for (i = 0; status == 0 && _mu_imap_status_name_table[i].name; i++)
{
if (ps->flags & _mu_imap_status_name_table[i].tok)
{
if (delim)
status = mu_imapio_send (imap->io, " ", 1);
if (status == 0)
status = mu_imapio_printf (imap->io, "%s",
_mu_imap_status_name_table[i].name);
}
delim = 1;
}
if (status == 0)
status = mu_imapio_send (imap->io, ")\r\n", 3);
MU_IMAP_CHECK_ERROR (imap, status);
MU_IMAP_FCLR (imap, MU_IMAP_RESP);
imap->client_state = MU_IMAP_CLIENT_STATUS_RX;
case MU_IMAP_CLIENT_STATUS_RX:
{
struct status_data sd = { mboxname, ps };
status = _mu_imap_response (imap, _status_response_action, &sd);
MU_IMAP_CHECK_EAGAIN (imap, status);
switch (imap->response)
{
case MU_IMAP_OK:
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;
}
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