smtp_data.c
2.66 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010 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, 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <mailutils/errno.h>
#include <mailutils/filter.h>
#include <mailutils/list.h>
#include <mailutils/smtp.h>
#include <mailutils/stream.h>
#include <mailutils/sys/smtp.h>
static int
_smtp_data_send (mu_smtp_t smtp, mu_stream_t stream)
{
int status;
struct mu_buffer_query oldbuf;
int buffer_changed = 0;
status = mu_smtp_write (smtp, "DATA\r\n");
MU_SMTP_CHECK_ERROR (smtp, status);
status = mu_smtp_response (smtp);
MU_SMTP_CHECK_ERROR (smtp, status);
if (smtp->replcode[0] != '3')
return MU_ERR_REPLY;
if (mu_smtp_trace_mask (smtp, MU_SMTP_TRACE_QRY, MU_XSCRIPT_PAYLOAD))
_mu_smtp_xscript_level (smtp, MU_XSCRIPT_PAYLOAD);
if (mu_stream_ioctl (smtp->carrier, MU_IOCTL_GET_TRANSPORT_BUFFER,
&oldbuf) == 0)
{
struct mu_buffer_query newbuf;
newbuf.type = MU_TRANSPORT_OUTPUT;
newbuf.buftype = mu_buffer_full;
newbuf.bufsize = 64*1024;
buffer_changed = mu_stream_ioctl (smtp->carrier,
MU_IOCTL_SET_TRANSPORT_BUFFER,
&newbuf) == 0;
}
status = mu_stream_copy (smtp->carrier, stream, 0, NULL);
_mu_smtp_xscript_level (smtp, MU_XSCRIPT_NORMAL);
mu_stream_flush (smtp->carrier);
if (buffer_changed)
mu_stream_ioctl (smtp->carrier, MU_IOCTL_SET_TRANSPORT_BUFFER,
&oldbuf);
return status;
}
int
mu_smtp_send_stream (mu_smtp_t smtp, mu_stream_t stream)
{
int status;
mu_stream_t input;
if (!smtp)
return EINVAL;
if (MU_SMTP_FISSET (smtp, _MU_SMTP_ERR))
return MU_ERR_FAILURE;
if (smtp->state != MU_SMTP_MORE)
return MU_ERR_SEQ;
status = mu_filter_create (&input, stream, "CRLFDOT", MU_FILTER_ENCODE,
MU_STREAM_READ);
if (status)
return status;
status = _smtp_data_send (smtp, input);
mu_stream_destroy (&input);
if (status == 0)
smtp->state = MU_SMTP_DOT;
return status;
}