appstrsiz.c
3.89 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011 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 <mailutils/types.h>
#include <mailutils/stream.h>
#include <mailutils/filter.h>
#include <mailutils/errno.h>
#include <mailutils/imap.h>
#include <mailutils/sys/imap.h>
static int
get_crlf_stream_size (mu_stream_t str, mu_off_t size, mu_off_t *prealsize)
{
mu_stream_t null, flt;
mu_stream_stat_buffer stat;
int rc;
mu_off_t needle;
rc = mu_nullstream_create (&null, MU_STREAM_WRITE);
if (rc)
return rc;
mu_stream_set_stat (null, MU_STREAM_STAT_MASK (MU_STREAM_STAT_OUT), stat);
rc = mu_filter_create (&flt, null, "CRLF", MU_FILTER_ENCODE,
MU_STREAM_WRITE);
mu_stream_unref (null);
if (rc)
return rc;
rc = mu_stream_seek (str, 0, MU_SEEK_CUR, &needle);
if (rc)
return rc;
rc = mu_stream_copy (flt, str, size, NULL);
if (rc == 0)
rc = mu_stream_seek (str, 0, MU_SEEK_SET, NULL);
mu_stream_unref (flt);
if (rc == 0)
*prealsize = stat[MU_STREAM_STAT_OUT];
return rc;
}
int
mu_imap_append_stream_size (mu_imap_t imap, const char *mailbox, int flags,
struct tm *tm, struct mu_timezone *tz,
mu_stream_t stream, mu_off_t size)
{
int status;
mu_off_t realsize;
if (imap == NULL || !mailbox || !stream || size == 0)
return EINVAL;
if (!imap->io)
return MU_ERR_NO_TRANSPORT;
if (imap->session_state < MU_IMAP_SESSION_AUTH)
return MU_ERR_SEQ;
switch (imap->client_state)
{
case MU_IMAP_CLIENT_READY:
status = get_crlf_stream_size (stream, size, &realsize);
if (status)
return status;
status = _mu_imap_tag_next (imap);
MU_IMAP_CHECK_EAGAIN (imap, status);
status = mu_imapio_printf (imap->io, "%s APPEND %s",
imap->tag_str, mailbox);
MU_IMAP_CHECK_ERROR (imap, status);
if (flags)
{
status = mu_imapio_send (imap->io, " ", 1);
if (status == 0)
status = mu_imapio_send_flags (imap->io, flags);
MU_IMAP_CHECK_ERROR (imap, status);
}
if (tm)
{
status = mu_imapio_send (imap->io, " ", 1);
if (status == 0)
status = mu_imapio_send_time (imap->io, tm, tz);
MU_IMAP_CHECK_ERROR (imap, status);
}
status = mu_imapio_send (imap->io, " ", 1);
if (status == 0)
{
mu_stream_t flt;
status = mu_filter_create (&flt, stream, "CRLF", MU_FILTER_ENCODE,
MU_STREAM_READ);
if (status == 0)
{
status = mu_imapio_send_literal_stream (imap->io, flt, realsize);
mu_stream_unref (flt);
}
}
MU_IMAP_CHECK_ERROR (imap, status);
status = mu_imapio_send (imap->io, "\r\n", 2);
MU_IMAP_CHECK_ERROR (imap, status);
MU_IMAP_FCLR (imap, MU_IMAP_RESP);
imap->client_state = MU_IMAP_CLIENT_APPEND_RX;
case MU_IMAP_CLIENT_APPEND_RX:
status = _mu_imap_response (imap, NULL, NULL);
MU_IMAP_CHECK_EAGAIN (imap, status);
switch (imap->resp_code)
{
case MU_IMAP_OK:
status = 0;
break;
case MU_IMAP_NO:
status = MU_ERR_FAILURE;
break;
case MU_IMAP_BAD:
status = MU_ERR_BADREPLY;
break;
}
imap->client_state = MU_IMAP_CLIENT_READY;
break;
default:
status = EINPROGRESS;
}
return status;
}