1 files changed, 405 insertions, 0 deletions
diff --git a/nsswitch/winbind_nss_netbsd.c b/nsswitch/winbind_nss_netbsd.c
new file mode 100644
index 0000000..473fa50
--- /dev/null
+++ b/nsswitch/winbind_nss_netbsd.c
@@ -0,0 +1,405 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   NetBSD loadable authentication module, providing identification
+   routines against Samba winbind/Windows NT Domain
+
+   Copyright (C) Luke Mewburn 2004-2005
+
+   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
+   Library 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/>.
+*/
+
+
+#include "winbind_client.h"
+
+#include <sys/param.h>
+#include <stdarg.h>
+#include <syslog.h>
+
+	/* dynamic nsswitch with "new" getpw* nsdispatch API available */
+#if defined(NSS_MODULE_INTERFACE_VERSION) && defined(HAVE_GETPWENT_R)
+
+/*
+	group functions
+	---------------
+*/
+
+static struct group	_winbind_group;
+static char		_winbind_groupbuf[1024];
+
+int
+netbsdwinbind_endgrent(void *nsrv, void *nscb, va_list ap)
+{
+	int	rv;
+
+	rv = _nss_winbind_endgrent();
+	return rv;
+}
+
+int
+netbsdwinbind_setgrent(void *nsrv, void *nscb, va_list ap)
+{
+	int	rv;
+
+	rv = _nss_winbind_setgrent();
+	return rv;
+}
+
+int
+netbsdwinbind_getgrent(void *nsrv, void *nscb, va_list ap)
+{
+	struct group   **retval	= va_arg(ap, struct group **);
+
+	int	rv, rerrno;
+
+	*retval = NULL;
+	rv = _nss_winbind_getgrent_r(&_winbind_group,
+	    _winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno);
+	if (rv == NS_SUCCESS)
+		*retval = &_winbind_group;
+	return rv;
+}
+
+int
+netbsdwinbind_getgrent_r(void *nsrv, void *nscb, va_list ap)
+{
+	int		*retval = va_arg(ap, int *);
+	struct group	*grp	= va_arg(ap, struct group *);
+	char		*buffer	= va_arg(ap, char *);
+	size_t		 buflen	= va_arg(ap, size_t);
+	struct group   **result	= va_arg(ap, struct group **);
+
+	int	rv, rerrno;
+
+	*result = NULL;
+	rerrno = 0;
+
+	rv = _nss_winbind_getgrent_r(grp, buffer, buflen, &rerrno);
+	if (rv == NS_SUCCESS)
+		*result = grp;
+	else
+		*retval = rerrno;
+	return rv;
+}
+
+int
+netbsdwinbind_getgrgid(void *nsrv, void *nscb, va_list ap)
+{
+	struct group   **retval	= va_arg(ap, struct group **);
+	gid_t		 gid	= va_arg(ap, gid_t);
+
+	int	rv, rerrno;
+
+	*retval = NULL;
+	rv = _nss_winbind_getgrgid_r(gid, &_winbind_group,
+	    _winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno);
+	if (rv == NS_SUCCESS)
+		*retval = &_winbind_group;
+	return rv;
+}
+
+int
+netbsdwinbind_getgrgid_r(void *nsrv, void *nscb, va_list ap)
+{
+	int		*retval = va_arg(ap, int *);
+	gid_t		 gid	= va_arg(ap, gid_t);
+	struct group	*grp	= va_arg(ap, struct group *);
+	char		*buffer	= va_arg(ap, char *);
+	size_t		 buflen	= va_arg(ap, size_t);
+	struct group   **result	= va_arg(ap, struct group **);
+
+	int	rv, rerrno;
+
+	*result = NULL;
+	rerrno = 0;
+
+	rv = _nss_winbind_getgrgid_r(gid, grp, buffer, buflen, &rerrno);
+	if (rv == NS_SUCCESS)
+		*result = grp;
+	else
+		*retval = rerrno;
+	return rv;
+}
+
+int
+netbsdwinbind_getgrnam(void *nsrv, void *nscb, va_list ap)
+{
+	struct group   **retval	= va_arg(ap, struct group **);
+	const char	*name	= va_arg(ap, const char *);
+
+	int	rv, rerrno;
+
+	*retval = NULL;
+	rv = _nss_winbind_getgrnam_r(name, &_winbind_group,
+	    _winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno);
+	if (rv == NS_SUCCESS)
+		*retval = &_winbind_group;
+	return rv;
+}
+
+int
+netbsdwinbind_getgrnam_r(void *nsrv, void *nscb, va_list ap)
+{
+	int		*retval = va_arg(ap, int *);
+	const char	*name	= va_arg(ap, const char *);
+	struct group	*grp	= va_arg(ap, struct group *);
+	char		*buffer	= va_arg(ap, char *);
+	size_t		 buflen	= va_arg(ap, size_t);
+	struct group   **result	= va_arg(ap, struct group **);
+
+	int	rv, rerrno;
+
+	*result = NULL;
+	rerrno = 0;
+
+	rv = _nss_winbind_getgrnam_r(name, grp, buffer, buflen, &rerrno);
+	if (rv == NS_SUCCESS)
+		*result = grp;
+	else
+		*retval = rerrno;
+	return rv;
+}
+
+int
+netbsdwinbind_getgroupmembership(void *nsrv, void *nscb, va_list ap)
+{
+	int		*result	= va_arg(ap, int *);
+	const char 	*uname	= va_arg(ap, const char *);
+	gid_t		*groups	= va_arg(ap, gid_t *);
+	int		 maxgrp	= va_arg(ap, int);
+	int		*groupc	= va_arg(ap, int *);
+
+	struct winbindd_request request = {
+		.wb_flags = WBFLAG_FROM_NSS,
+	};
+	struct winbindd_response response = {
+		.length = 0,
+	};
+	gid_t	*wblistv;
+	int	wblistc, i, isdup, dupc;
+
+	strncpy(request.data.username, uname,
+				sizeof(request.data.username) - 1);
+	i = winbindd_request_response(NULL, WINBINDD_GETGROUPS,
+				      &request, &response);
+	if (i != NSS_STATUS_SUCCESS)
+		return NS_NOTFOUND;
+	wblistv = (gid_t *)response.extra_data.data;
+	wblistc = response.data.num_entries;
+
+	for (i = 0; i < wblistc; i++) {			/* add winbind gids */
+		isdup = 0;				/* skip duplicates */
+		for (dupc = 0; dupc < MIN(maxgrp, *groupc); dupc++) {
+			if (groups[dupc] == wblistv[i]) {
+				isdup = 1;
+				break;
+			}
+		}
+		if (isdup)
+			continue;
+		if (*groupc < maxgrp)			/* add this gid */
+			groups[*groupc] = wblistv[i];
+		else
+			*result = -1;
+		(*groupc)++;
+	}
+	SAFE_FREE(wblistv);
+	return NS_NOTFOUND;
+}
+
+
+/*
+	passwd functions
+	----------------
+*/
+
+static struct passwd	_winbind_passwd;
+static char		_winbind_passwdbuf[1024];
+
+int
+netbsdwinbind_endpwent(void *nsrv, void *nscb, va_list ap)
+{
+	int	rv;
+
+	rv = _nss_winbind_endpwent();
+	return rv;
+}
+
+int
+netbsdwinbind_setpwent(void *nsrv, void *nscb, va_list ap)
+{
+	int	rv;
+
+	rv = _nss_winbind_setpwent();
+	return rv;
+}
+
+int
+netbsdwinbind_getpwent(void *nsrv, void *nscb, va_list ap)
+{
+	struct passwd  **retval	= va_arg(ap, struct passwd **);
+
+	int	rv, rerrno;
+
+	*retval = NULL;
+
+	rv = _nss_winbind_getpwent_r(&_winbind_passwd,
+	    _winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno);
+	if (rv == NS_SUCCESS)
+		*retval = &_winbind_passwd;
+	return rv;
+}
+
+int
+netbsdwinbind_getpwent_r(void *nsrv, void *nscb, va_list ap)
+{
+	int		*retval = va_arg(ap, int *);
+	struct passwd	*pw	= va_arg(ap, struct passwd *);
+	char		*buffer	= va_arg(ap, char *);
+	size_t		 buflen	= va_arg(ap, size_t);
+	struct passwd  **result	= va_arg(ap, struct passwd **);
+
+	int	rv, rerrno;
+
+	*result = NULL;
+	rerrno = 0;
+
+	rv = _nss_winbind_getpwent_r(pw, buffer, buflen, &rerrno);
+	if (rv == NS_SUCCESS)
+		*result = pw;
+	else
+		*retval = rerrno;
+	return rv;
+}
+
+int
+netbsdwinbind_getpwnam(void *nsrv, void *nscb, va_list ap)
+{
+	struct passwd  **retval	= va_arg(ap, struct passwd **);
+	const char	*name	= va_arg(ap, const char *);
+
+	int	rv, rerrno;
+
+	*retval = NULL;
+	rv = _nss_winbind_getpwnam_r(name, &_winbind_passwd,
+	    _winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno);
+	if (rv == NS_SUCCESS)
+		*retval = &_winbind_passwd;
+	return rv;
+}
+
+int
+netbsdwinbind_getpwnam_r(void *nsrv, void *nscb, va_list ap)
+{
+	int		*retval = va_arg(ap, int *);
+	const char	*name	= va_arg(ap, const char *);
+	struct passwd	*pw	= va_arg(ap, struct passwd *);
+	char		*buffer	= va_arg(ap, char *);
+	size_t		 buflen	= va_arg(ap, size_t);
+	struct passwd  **result	= va_arg(ap, struct passwd **);
+
+	int	rv, rerrno;
+
+	*result = NULL;
+	rerrno = 0;
+
+	rv = _nss_winbind_getpwnam_r(name, pw, buffer, buflen, &rerrno);
+	if (rv == NS_SUCCESS)
+		*result = pw;
+	else
+		*retval = rerrno;
+	return rv;
+}
+
+int
+netbsdwinbind_getpwuid(void *nsrv, void *nscb, va_list ap)
+{
+	struct passwd  **retval	= va_arg(ap, struct passwd **);
+	uid_t		 uid	= va_arg(ap, uid_t);
+
+	int	rv, rerrno;
+
+	*retval = NULL;
+	rv = _nss_winbind_getpwuid_r(uid, &_winbind_passwd,
+	    _winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno);
+	if (rv == NS_SUCCESS)
+		*retval = &_winbind_passwd;
+	return rv;
+}
+
+int
+netbsdwinbind_getpwuid_r(void *nsrv, void *nscb, va_list ap)
+{
+	int		*retval = va_arg(ap, int *);
+	uid_t		 uid	= va_arg(ap, uid_t);
+	struct passwd	*pw	= va_arg(ap, struct passwd *);
+	char		*buffer	= va_arg(ap, char *);
+	size_t		 buflen	= va_arg(ap, size_t);
+	struct passwd  **result	= va_arg(ap, struct passwd **);
+
+	int	rv, rerrno;
+
+	*result = NULL;
+	rerrno = 0;
+
+	rv = _nss_winbind_getpwuid_r(uid, pw, buffer, buflen, &rerrno);
+	if (rv == NS_SUCCESS)
+		*result = pw;
+	else
+		*retval = rerrno;
+	return rv;
+}
+
+
+/*
+	nsswitch module setup
+	---------------------
+*/
+
+
+static ns_mtab winbind_methods[] = {
+
+{ NSDB_GROUP, "endgrent",	netbsdwinbind_endgrent,		NULL },
+{ NSDB_GROUP, "getgrent",	netbsdwinbind_getgrent,		NULL },
+{ NSDB_GROUP, "getgrent_r",	netbsdwinbind_getgrent_r,	NULL },
+{ NSDB_GROUP, "getgrgid",	netbsdwinbind_getgrgid,		NULL },
+{ NSDB_GROUP, "getgrgid_r",	netbsdwinbind_getgrgid_r,	NULL },
+{ NSDB_GROUP, "getgrnam",	netbsdwinbind_getgrnam,		NULL },
+{ NSDB_GROUP, "getgrnam_r",	netbsdwinbind_getgrnam_r,	NULL },
+{ NSDB_GROUP, "setgrent",	netbsdwinbind_setgrent,		NULL },
+{ NSDB_GROUP, "setgroupent",	netbsdwinbind_setgrent,		NULL },
+{ NSDB_GROUP, "getgroupmembership", netbsdwinbind_getgroupmembership, NULL },
+
+{ NSDB_PASSWD, "endpwent",	netbsdwinbind_endpwent,		NULL },
+{ NSDB_PASSWD, "getpwent",	netbsdwinbind_getpwent,		NULL },
+{ NSDB_PASSWD, "getpwent_r",	netbsdwinbind_getpwent_r,	NULL },
+{ NSDB_PASSWD, "getpwnam",	netbsdwinbind_getpwnam,		NULL },
+{ NSDB_PASSWD, "getpwnam_r",	netbsdwinbind_getpwnam_r,	NULL },
+{ NSDB_PASSWD, "getpwuid",	netbsdwinbind_getpwuid,		NULL },
+{ NSDB_PASSWD, "getpwuid_r",	netbsdwinbind_getpwuid_r,	NULL },
+{ NSDB_PASSWD, "setpassent",	netbsdwinbind_setpwent,		NULL },
+{ NSDB_PASSWD, "setpwent",	netbsdwinbind_setpwent,		NULL },
+
+};
+
+ns_mtab *
+nss_module_register(const char *source, unsigned int *mtabsize,
+    nss_module_unregister_fn *unreg)
+{
+        *mtabsize = sizeof(winbind_methods)/sizeof(winbind_methods[0]);
+        *unreg = NULL;
+        return (winbind_methods);
+}
+
+#endif /* NSS_MODULE_INTERFACE_VERSION && HAVE_GETPWENT_R */