login.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2001, 2002, 2006,
2007 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA */
#include "imap4d.h"
int
imap4d_login (struct imap4d_command *command, char *arg)
{
char *sp = NULL, *username, *pass;
int rc;
if (login_disabled || tls_required)
return util_finish (command, RESP_NO, "Command disabled");
username = util_getword (arg, &sp);
pass = util_getword (NULL, &sp);
/* Remove the double quotes. */
util_unquote (&username);
util_unquote (&pass);
if (username == NULL || *username == '\0' || pass == NULL)
return util_finish (command, RESP_NO, "Too few args");
else if (util_getword (NULL, &sp))
return util_finish (command, RESP_NO, "Too many args");
auth_data = mu_get_auth_by_name (username);
if (auth_data == NULL)
{
syslog (LOG_INFO, _("User `%s': nonexistent"), username);
return util_finish (command, RESP_NO, "User name or passwd rejected");
}
rc = mu_authenticate (auth_data, pass);
openlog ("gnu-imap4d", LOG_PID, log_facility);
if (rc)
{
syslog (LOG_INFO, _("Login failed: %s"), username);
return util_finish (command, RESP_NO, "User name or passwd rejected");
}
homedir = mu_normalize_path (strdup (auth_data->dir), "/");
if (imap4d_check_home_dir (homedir, auth_data->uid, auth_data->gid))
return util_finish (command, RESP_NO,
"User name or passwd rejected");
if (auth_data->change_uid)
setuid (auth_data->uid);
util_chdir (homedir);
namespace_init (homedir);
syslog (LOG_INFO, _("User `%s' logged in (source: %s)"), username,
auth_data->source);
return util_finish (command, RESP_OK, "Completed");
}