retr.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2001, 2005, 2007, 2009-2012, 2014-2016 Free
Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include "pop3d.h"
size_t pop3d_output_bufsize = 64 * 1024;
void
pop3d_send_payload (mu_stream_t stream, mu_stream_t linestr, size_t maxlines)
{
mu_stream_t flt;
struct mu_buffer_query oldbuf, newbuf;
int xscript_level = set_xscript_level (MU_XSCRIPT_PAYLOAD);
oldbuf.type = MU_TRANSPORT_OUTPUT;
mu_stream_ioctl (iostream, MU_IOCTL_TRANSPORT_BUFFER, MU_IOCTL_OP_GET,
&oldbuf);
newbuf.type = MU_TRANSPORT_OUTPUT;
newbuf.buftype = mu_buffer_full;
newbuf.bufsize = pop3d_output_bufsize;
mu_stream_ioctl (iostream, MU_IOCTL_TRANSPORT_BUFFER, MU_IOCTL_OP_SET,
&newbuf);
/* FIXME: Return code */
mu_filter_create (&flt, iostream, "DOT", MU_FILTER_ENCODE,
MU_STREAM_WRITE);
mu_stream_copy (flt, stream, 0, NULL);
if (maxlines)
{
char *buf = NULL;
size_t size = 0, n;
mu_stream_write (flt, "\n", 1, NULL);
for (; maxlines > 0 &&
mu_stream_getline (linestr, &buf, &size, &n) == 0 &&
n > 0; maxlines--)
mu_stream_write (flt, buf, n, NULL);
free (buf);
}
mu_stream_close (flt);
mu_stream_destroy (&flt);
mu_stream_ioctl (iostream, MU_IOCTL_TRANSPORT_BUFFER, MU_IOCTL_OP_SET,
&oldbuf);
set_xscript_level (xscript_level);
}
/* Prints out the specified message */
int
pop3d_retr (char *arg, struct pop3d_session *sess)
{
size_t mesgno;
mu_message_t msg = NULL;
mu_attribute_t attr = NULL;
mu_stream_t stream;
if ((strlen (arg) == 0) || (strchr (arg, ' ') != NULL))
return ERR_BAD_ARGS;
if (state != TRANSACTION)
return ERR_WRONG_STATE;
mesgno = strtoul (arg, NULL, 10);
if (mu_mailbox_get_message (mbox, mesgno, &msg) != 0)
return ERR_NO_MESG;
mu_message_get_attribute (msg, &attr);
if (pop3d_is_deleted (attr))
return ERR_MESG_DELE;
if (mu_message_get_streamref (msg, &stream))
return ERR_UNKNOWN;
pop3d_outf ("+OK\n");
pop3d_send_payload (stream, NULL, 0);
mu_stream_destroy (&stream);
if (!mu_attribute_is_read (attr))
mu_attribute_set_read (attr);
pop3d_mark_retr (attr);
return OK;
}