response.c
3.13 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010-2012 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 <errno.h>
#include <mailutils/cctype.h>
#include <mailutils/cstr.h>
#include <mailutils/stream.h>
#include <mailutils/errno.h>
#include <mailutils/sys/imap.h>
static void
response_to_errstr (mu_imap_t imap, size_t argc, char **argv)
{
if (argc && strcmp (argv[argc-1], "]"))
_mu_imap_seterrstrz (imap, argv[argc-1]);
}
int
_mu_imap_response (mu_imap_t imap, mu_imap_response_action_t fun,
void *data)
{
int status = 0;
if (imap == NULL)
return EINVAL;
if (MU_IMAP_FISSET (imap, MU_IMAP_RESP))
return 0;
_mu_imap_clrerrstr (imap);
while (1)
{
status = mu_imapio_getline (imap->io);
if (status == 0)
{
char **wv;
size_t wc;
mu_imapio_get_words (imap->io, &wc, &wv);
if (wc == 0)
{
imap->client_state = MU_IMAP_CLIENT_ERROR;
status = MU_ERR_BADREPLY;/* FIXME: ECONNRESET ? */
break;
}
if (strcmp (wv[0], "*") == 0)
{
mu_list_t list;
status = _mu_imap_untagged_response_to_list (imap, &list);
if (status)
break;
_mu_imap_process_untagged_response (imap, list, fun, data);
mu_list_destroy (&list);
continue;
}
else if (strlen (wv[0]) == imap->tag_len &&
memcmp (wv[0], imap->tag_str, imap->tag_len) == 0)
{
/* Handle the tagged response */
if (wc < 2)
{
/*imap->client_state = MU_IMAP_CLIENT_ERROR;*/
status = MU_ERR_BADREPLY;
}
else if (strcmp (wv[1], "OK") == 0)
{
imap->resp_code = MU_IMAP_OK;
response_to_errstr (imap, wc, wv);
}
else if (strcmp (wv[1], "NO") == 0)
{
imap->resp_code = MU_IMAP_NO;
response_to_errstr (imap, wc, wv);
}
else if (strcmp (wv[1], "BAD") == 0)
{
imap->resp_code = MU_IMAP_BAD;
response_to_errstr (imap, wc, wv);
/* This may be so important that CB_BAD callback is
* overloaded to handle this case as well.
*/
mu_imap_callback (imap, MU_IMAP_CB_BAD,
MU_IMAP_RESPONSE_TAGGED,
wc >= 1 ? wv[wc-1] : NULL);
}
else
status = MU_ERR_BADREPLY;
MU_IMAP_FSET (imap, MU_IMAP_RESP);
}
else
{
imap->client_state = MU_IMAP_CLIENT_ERROR;
status = MU_ERR_BADREPLY;
}
}
else
imap->client_state = MU_IMAP_CLIENT_ERROR;
break;
}
return status;
}