search.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2017 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/>. */
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <mailutils/errno.h>
#include <mailutils/msgset.h>
#include <mailutils/nls.h>
#include <mailutils/imap.h>
#include <mailutils/sys/imap.h>
struct search_closure
{
mu_msgset_t msgset;
int retcode;
};
static int
add_msgno (void *item, void *data)
{
int rc;
struct imap_list_element *elt = item;
struct search_closure *scp = data;
char *p;
unsigned long num;
if (elt->type != imap_eltype_string)
{
mu_debug (MU_DEBCAT_MAILBOX, MU_DEBUG_ERROR,
(_("unexpected list element in untagged response from SEARCH")));
scp->retcode = MU_ERR_BADREPLY;
return MU_ERR_USER0;
}
if (!scp->msgset)
{
/* First element (SEARCH): create the message set and return */
rc = mu_msgset_create (&scp->msgset, NULL, MU_MSGSET_NUM);
if (rc)
{
mu_debug (MU_DEBCAT_MAILBOX, MU_DEBUG_ERROR,
(_("cannot create msgset: %s"),
mu_strerror (rc)));
scp->retcode = rc;
return rc;
}
return 0;
}
num = strtoul (elt->v.string, &p, 10);
if (*p)
{
mu_debug (MU_DEBCAT_MAILBOX, MU_DEBUG_ERROR,
(_("not a number in untagged response from SEARCH: %s"),
elt->v.string));
scp->retcode = MU_ERR_BADREPLY;
return MU_ERR_USER0;
}
rc = mu_msgset_add_range (scp->msgset, num, num, MU_MSGSET_NUM);
if (rc)
{
mu_debug (MU_DEBCAT_MAILBOX, MU_DEBUG_ERROR,
("mu_msgset_add_range: %s", mu_strerror (rc)));
scp->retcode = rc;
return MU_ERR_USER0;
}
return 0;
}
static void
search_handler (mu_imap_t imap, mu_list_t resp, void *data)
{
mu_list_foreach (resp, add_msgno, data);
}
int
mu_imap_search (mu_imap_t imap, int uid, const char *expr, mu_msgset_t *msgset)
{
char const *argv[3];
int i, rc;
static struct imap_command com;
struct search_closure clos;
if (!expr)
return EINVAL;
if (!msgset)
return MU_ERR_OUT_PTR_NULL;
i = 0;
if (uid)
argv[i++] = "UID";
argv[i++] = "SEARCH";
clos.msgset = NULL;
clos.retcode = 0;
com.session_state = MU_IMAP_SESSION_SELECTED;
com.capa = NULL;
com.rx_state = MU_IMAP_CLIENT_SEARCH_RX;
com.argc = i;
com.argv = argv;
com.extra = expr;
com.msgset = NULL;
com.tagged_handler = NULL;
com.untagged_handler = search_handler;
com.untagged_handler_data = &clos;
rc = mu_imap_gencom (imap, &com);
if (rc)
mu_msgset_free (clos.msgset);
else if (clos.retcode)
{
mu_msgset_free (clos.msgset);
rc = clos.retcode;
}
else
*msgset = clos.msgset;
return rc;
}