bye.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009, 2010,
2011 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 "imap4d.h"
int
imap4d_bye (int reason)
{
return imap4d_bye0 (reason, NULL);
}
static jmp_buf pipejmp;
static RETSIGTYPE
sigpipe (int sig)
{
longjmp (pipejmp, 1);
}
int
imap4d_bye0 (int reason, struct imap4d_command *command)
{
int status = EX_SOFTWARE;
if (mbox)
{
mu_mailbox_flush (mbox, 0);
mu_mailbox_close (mbox);
mu_mailbox_destroy (&mbox);
}
switch (reason)
{
case ERR_NO_MEM:
io_untagged_response (RESP_BYE, "Server terminating: no more resources.");
mu_diag_output (MU_DIAG_ERROR, _("not enough memory"));
break;
case ERR_TERMINATE:
status = EX_OK;
io_untagged_response (RESP_BYE, "Server terminating on request.");
mu_diag_output (MU_DIAG_NOTICE, _("terminating on request"));
break;
case ERR_SIGNAL:
mu_diag_output (MU_DIAG_ERROR, _("quitting on signal"));
exit (status);
case ERR_TIMEOUT:
status = EX_TEMPFAIL;
io_untagged_response (RESP_BYE, "Session timed out");
if (state == STATE_NONAUTH)
mu_diag_output (MU_DIAG_INFO, _("session timed out for no user"));
else
mu_diag_output (MU_DIAG_INFO, _("session timed out for user: %s"), auth_data->name);
break;
case ERR_NO_OFILE:
status = EX_IOERR;
mu_diag_output (MU_DIAG_INFO, _("write error on control stream"));
break;
case ERR_NO_IFILE:
status = EX_IOERR;
mu_diag_output (MU_DIAG_INFO, _("read error on control stream"));
break;
case ERR_MAILBOX_CORRUPTED:
status = EX_OSERR;
mu_diag_output (MU_DIAG_ERROR, _("mailbox modified by third party"));
break;
case ERR_STREAM_CREATE:
status = EX_UNAVAILABLE;
mu_diag_output (MU_DIAG_ERROR, _("cannot create transport stream"));
break;
case OK:
status = EX_OK;
io_untagged_response (RESP_BYE, "Session terminating.");
if (state == STATE_NONAUTH)
mu_diag_output (MU_DIAG_INFO, _("session terminating"));
else
mu_diag_output (MU_DIAG_INFO, _("session terminating for user: %s"), auth_data->name);
break;
default:
io_untagged_response (RESP_BYE, "Quitting (reason unknown)");
mu_diag_output (MU_DIAG_ERROR, _("quitting (numeric reason %d)"), reason);
break;
}
if (status == EX_OK && command)
{
/* Some clients may close the connection immediately after sending
LOGOUT. Do not treat this as error (RFC 2683). */
static int sigtab[] = { SIGPIPE };
mu_set_signals (sigpipe, sigtab, MU_ARRAY_SIZE (sigtab));
if (setjmp (pipejmp) == 0)
io_completion_response (command, RESP_OK, "Completed");
}
util_bye ();
closelog ();
exit (status);
}