login.c
1.8 KB
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2001 Free Software Foundation, Inc.
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "imap4d.h"
/*
* FIXME: this should support PAM, shadow, and normal password
*/
int
imap4d_login (struct imap4d_command *command, char *arg)
{
struct passwd *pw;
char *sp = NULL, *username, *pass;
username = util_getword (arg, &sp);
pass = util_getword (NULL, &sp);
if (username == NULL || 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");
pw = getpwnam (arg);
if (pw == NULL || pw->pw_uid < 1)
return util_finish (command, RESP_NO, "User name or passwd rejected");
if (strcmp (pw->pw_passwd, crypt (pass, pw->pw_passwd)))
{
#ifdef HAVE_SHADOW_H
struct spwd *spw;
spw = getspnam (arg);
if (spw == NULL || strcmp (spw->sp_pwdp, crypt (pass, spw->sp_pwdp)))
#endif /* HAVE_SHADOW_H */
return util_finish (command, RESP_NO, "User name or passwd rejected");
}
if (pw->pw_uid > 1)
setuid (pw->pw_uid);
return util_finish (command, RESP_OK, "Completed");
}