login.c
2.44 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010, 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 <string.h>
#include <mailutils/errno.h>
#include <mailutils/stream.h>
#include <mailutils/sys/imap.h>
int
mu_imap_login (mu_imap_t imap, const char *user, const char *pass)
{
int status;
char *p;
if (imap == NULL)
return EINVAL;
if (!imap->io)
return MU_ERR_NO_TRANSPORT;
if (imap->state != MU_IMAP_CONNECTED)
return MU_ERR_SEQ;
if (imap->imap_state != MU_IMAP_STATE_NONAUTH)
return MU_ERR_SEQ;
switch (imap->state)
{
case MU_IMAP_CONNECTED:
if (mu_imap_trace_mask (imap, MU_IMAP_TRACE_QRY, MU_XSCRIPT_SECURE))
_mu_imap_xscript_level (imap, MU_XSCRIPT_SECURE);
status = _mu_imap_tag_next (imap);
MU_IMAP_CHECK_EAGAIN (imap, status);
status = mu_imapio_printf (imap->io, "%s LOGIN \"%s\" \"%s\"\r\n",
imap->tag_str, user, pass);
_mu_imap_xscript_level (imap, MU_XSCRIPT_NORMAL);
/* FIXME: how to obscure the passwd in the stream buffer? */
MU_IMAP_CHECK_EAGAIN (imap, status);
MU_IMAP_FCLR (imap, MU_IMAP_RESP);
imap->state = MU_IMAP_LOGIN_RX;
case MU_IMAP_LOGIN_RX:
status = _mu_imap_response (imap);
MU_IMAP_CHECK_EAGAIN (imap, status);
switch (imap->resp_code)
{
case MU_IMAP_OK:
imap->imap_state = MU_IMAP_STATE_AUTH;
break;
case MU_IMAP_NO:
status = EACCES;
break;
case MU_IMAP_BAD:
status = MU_ERR_BADREPLY;
if (mu_imapio_reply_string (imap->io, 2, &p) == 0)
{
_mu_imap_seterrstr (imap, p, strlen (p));
free (p);
}
break;
}
imap->state = MU_IMAP_CONNECTED;
break;
default:
status = EINPROGRESS;
}
return status;
}