2 * Dolda Connect - Modular multiuser Direct Connect-style client
3 * Copyright (C) 2004 Fredrik Tolf <fredrik@dolda2000.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
38 static int inithandle(struct authhandle *auth, char *username)
40 struct unixdata *data;
42 data = smalloc(sizeof(*data));
43 memset(data, 0, sizeof(*data));
44 data->username = sstrdup(username);
45 auth->mechdata = data;
49 static void release(struct authhandle *auth)
51 struct unixdata *data;
53 data = auth->mechdata;
58 static int unixauth(struct authhandle *auth, struct socket *sk, char *passdata)
61 struct unixdata *data;
63 data = auth->mechdata;
64 if((pwd = getpwnam(data->username)) == NULL)
66 if(sk->ucred.uid == -1) {
67 errno = EOPNOTSUPP; /* Bleh */
70 if(pwd->pw_uid == sk->ucred.uid) {
71 flog(LOG_INFO, "successful authentication as %s with Unix credentials (uid=%i, gid=%i)", data->username, sk->ucred.uid, sk->ucred.gid);
74 auth->text = swcsdup(L"Unix credentials do not match supplied user name");
78 static int available(struct socket *sk)
80 return((sk->family == PF_UNIX) && (sk->ucred.uid != -1));
83 static struct authmech mechdesc = {
84 .inithandle = inithandle,
86 .authenticate = unixauth,
87 .available = available,
92 static int init(int hup)
99 static struct module me = {