starttls.c
1.72 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2003 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 2, 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "imap4d.h"
#ifdef WITH_TLS
static int tls_available;
static int tls_done;
int
imap4d_starttls (struct imap4d_command *command, char *arg)
{
int status;
char *sp = NULL;
if (!tls_available || tls_done)
return util_finish (command, RESP_BAD, "Invalid command");
if (util_getword (arg, &sp))
return util_finish (command, RESP_BAD, "Too many args");
status = util_finish (command, RESP_OK, "Begin TLS negotiation");
util_flush_output ();
tls_done = imap4d_init_tls_server ();
if (tls_done)
{
imap4d_capability_remove ("STARTTLS");
login_disabled = 0;
imap4d_capability_remove ("LOGINDISABLED");
util_atexit (mu_deinit_tls_libs);
}
return status;
}
void
starttls_init ()
{
tls_available = mu_check_tls_environment ();
if (tls_available)
tls_available = mu_init_tls_libs ();
if (tls_available)
imap4d_capability_add ("STARTTLS");
}
#endif /* WITH_TLS */
/* EOF */