2 Unix SMB/CIFS implementation.
4 NetBSD loadable authentication module, providing identification
5 routines against Samba winbind/Windows NT Domain
7 Copyright (C) Luke Mewburn 2004-2005
9 This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 3 of the License, or (at your option) any later version.
14 This library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Library General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public
20 License along with this library; if not, see <http://www.gnu.org/licenses/>.
24 #include "winbind_client.h"
26 #include <sys/param.h>
30 /* dynamic nsswitch with "new" getpw* nsdispatch API available */
31 #if defined(NSS_MODULE_INTERFACE_VERSION) && defined(HAVE_GETPWENT_R)
38 static struct group _winbind_group;
39 static char _winbind_groupbuf[1024];
42 * We need a proper prototype for this :-)
45 NSS_STATUS _nss_winbind_setpwent(void);
46 NSS_STATUS _nss_winbind_endpwent(void);
47 NSS_STATUS _nss_winbind_getpwent_r(struct passwd *result, char *buffer,
48 size_t buflen, int *errnop);
49 NSS_STATUS _nss_winbind_getpwuid_r(uid_t uid, struct passwd *result,
50 char *buffer, size_t buflen, int *errnop);
51 NSS_STATUS _nss_winbind_getpwnam_r(const char *name, struct passwd *result,
52 char *buffer, size_t buflen, int *errnop);
53 NSS_STATUS _nss_winbind_setgrent(void);
54 NSS_STATUS _nss_winbind_endgrent(void);
55 NSS_STATUS _nss_winbind_getgrent_r(struct group *result, char *buffer,
56 size_t buflen, int *errnop);
57 NSS_STATUS _nss_winbind_getgrlst_r(struct group *result, char *buffer,
58 size_t buflen, int *errnop);
59 NSS_STATUS _nss_winbind_getgrnam_r(const char *name, struct group *result,
60 char *buffer, size_t buflen, int *errnop);
61 NSS_STATUS _nss_winbind_getgrgid_r(gid_t gid, struct group *result, char *buffer,
62 size_t buflen, int *errnop);
63 NSS_STATUS _nss_winbind_initgroups_dyn(char *user, gid_t group, long int *start,
64 long int *size, gid_t **groups,
65 long int limit, int *errnop);
68 netbsdwinbind_endgrent(void *nsrv, void *nscb, va_list ap)
72 rv = _nss_winbind_endgrent();
77 netbsdwinbind_setgrent(void *nsrv, void *nscb, va_list ap)
81 rv = _nss_winbind_setgrent();
86 netbsdwinbind_getgrent(void *nsrv, void *nscb, va_list ap)
88 struct group **retval = va_arg(ap, struct group **);
93 rv = _nss_winbind_getgrent_r(&_winbind_group,
94 _winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno);
96 *retval = &_winbind_group;
101 netbsdwinbind_getgrent_r(void *nsrv, void *nscb, va_list ap)
103 int *retval = va_arg(ap, int *);
104 struct group *grp = va_arg(ap, struct group *);
105 char *buffer = va_arg(ap, char *);
106 size_t buflen = va_arg(ap, size_t);
107 struct group **result = va_arg(ap, struct group **);
114 rv = _nss_winbind_getgrent_r(grp, buffer, buflen, &rerrno);
115 if (rv == NS_SUCCESS)
123 netbsdwinbind_getgrgid(void *nsrv, void *nscb, va_list ap)
125 struct group **retval = va_arg(ap, struct group **);
126 gid_t gid = va_arg(ap, gid_t);
131 rv = _nss_winbind_getgrgid_r(gid, &_winbind_group,
132 _winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno);
133 if (rv == NS_SUCCESS)
134 *retval = &_winbind_group;
139 netbsdwinbind_getgrgid_r(void *nsrv, void *nscb, va_list ap)
141 int *retval = va_arg(ap, int *);
142 gid_t gid = va_arg(ap, gid_t);
143 struct group *grp = va_arg(ap, struct group *);
144 char *buffer = va_arg(ap, char *);
145 size_t buflen = va_arg(ap, size_t);
146 struct group **result = va_arg(ap, struct group **);
153 rv = _nss_winbind_getgrgid_r(gid, grp, buffer, buflen, &rerrno);
154 if (rv == NS_SUCCESS)
162 netbsdwinbind_getgrnam(void *nsrv, void *nscb, va_list ap)
164 struct group **retval = va_arg(ap, struct group **);
165 const char *name = va_arg(ap, const char *);
170 rv = _nss_winbind_getgrnam_r(name, &_winbind_group,
171 _winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno);
172 if (rv == NS_SUCCESS)
173 *retval = &_winbind_group;
178 netbsdwinbind_getgrnam_r(void *nsrv, void *nscb, va_list ap)
180 int *retval = va_arg(ap, int *);
181 const char *name = va_arg(ap, const char *);
182 struct group *grp = va_arg(ap, struct group *);
183 char *buffer = va_arg(ap, char *);
184 size_t buflen = va_arg(ap, size_t);
185 struct group **result = va_arg(ap, struct group **);
192 rv = _nss_winbind_getgrnam_r(name, grp, buffer, buflen, &rerrno);
193 if (rv == NS_SUCCESS)
201 netbsdwinbind_getgroupmembership(void *nsrv, void *nscb, va_list ap)
203 int *result = va_arg(ap, int *);
204 const char *uname = va_arg(ap, const char *);
205 gid_t *groups = va_arg(ap, gid_t *);
206 int maxgrp = va_arg(ap, int);
207 int *groupc = va_arg(ap, int *);
209 struct winbindd_request request;
210 struct winbindd_response response;
212 int wblistc, i, isdup, dupc;
214 ZERO_STRUCT(request);
215 ZERO_STRUCT(response);
216 strncpy(request.data.username, uname,
217 sizeof(request.data.username) - 1);
218 i = winbindd_request_response(NULL, WINBINDD_GETGROUPS,
219 &request, &response);
220 if (i != NSS_STATUS_SUCCESS)
222 wblistv = (gid_t *)response.extra_data.data;
223 wblistc = response.data.num_entries;
225 for (i = 0; i < wblistc; i++) { /* add winbind gids */
226 isdup = 0; /* skip duplicates */
227 for (dupc = 0; dupc < MIN(maxgrp, *groupc); dupc++) {
228 if (groups[dupc] == wblistv[i]) {
235 if (*groupc < maxgrp) /* add this gid */
236 groups[*groupc] = wblistv[i];
251 static struct passwd _winbind_passwd;
252 static char _winbind_passwdbuf[1024];
255 netbsdwinbind_endpwent(void *nsrv, void *nscb, va_list ap)
259 rv = _nss_winbind_endpwent();
264 netbsdwinbind_setpwent(void *nsrv, void *nscb, va_list ap)
268 rv = _nss_winbind_setpwent();
273 netbsdwinbind_getpwent(void *nsrv, void *nscb, va_list ap)
275 struct passwd **retval = va_arg(ap, struct passwd **);
281 rv = _nss_winbind_getpwent_r(&_winbind_passwd,
282 _winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno);
283 if (rv == NS_SUCCESS)
284 *retval = &_winbind_passwd;
289 netbsdwinbind_getpwent_r(void *nsrv, void *nscb, va_list ap)
291 int *retval = va_arg(ap, int *);
292 struct passwd *pw = va_arg(ap, struct passwd *);
293 char *buffer = va_arg(ap, char *);
294 size_t buflen = va_arg(ap, size_t);
295 struct passwd **result = va_arg(ap, struct passwd **);
302 rv = _nss_winbind_getpwent_r(pw, buffer, buflen, &rerrno);
303 if (rv == NS_SUCCESS)
311 netbsdwinbind_getpwnam(void *nsrv, void *nscb, va_list ap)
313 struct passwd **retval = va_arg(ap, struct passwd **);
314 const char *name = va_arg(ap, const char *);
319 rv = _nss_winbind_getpwnam_r(name, &_winbind_passwd,
320 _winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno);
321 if (rv == NS_SUCCESS)
322 *retval = &_winbind_passwd;
327 netbsdwinbind_getpwnam_r(void *nsrv, void *nscb, va_list ap)
329 int *retval = va_arg(ap, int *);
330 const char *name = va_arg(ap, const char *);
331 struct passwd *pw = va_arg(ap, struct passwd *);
332 char *buffer = va_arg(ap, char *);
333 size_t buflen = va_arg(ap, size_t);
334 struct passwd **result = va_arg(ap, struct passwd **);
341 rv = _nss_winbind_getpwnam_r(name, pw, buffer, buflen, &rerrno);
342 if (rv == NS_SUCCESS)
350 netbsdwinbind_getpwuid(void *nsrv, void *nscb, va_list ap)
352 struct passwd **retval = va_arg(ap, struct passwd **);
353 uid_t uid = va_arg(ap, uid_t);
358 rv = _nss_winbind_getpwuid_r(uid, &_winbind_passwd,
359 _winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno);
360 if (rv == NS_SUCCESS)
361 *retval = &_winbind_passwd;
366 netbsdwinbind_getpwuid_r(void *nsrv, void *nscb, va_list ap)
368 int *retval = va_arg(ap, int *);
369 uid_t uid = va_arg(ap, uid_t);
370 struct passwd *pw = va_arg(ap, struct passwd *);
371 char *buffer = va_arg(ap, char *);
372 size_t buflen = va_arg(ap, size_t);
373 struct passwd **result = va_arg(ap, struct passwd **);
380 rv = _nss_winbind_getpwuid_r(uid, pw, buffer, buflen, &rerrno);
381 if (rv == NS_SUCCESS)
390 nsswitch module setup
391 ---------------------
395 static ns_mtab winbind_methods[] = {
397 { NSDB_GROUP, "endgrent", netbsdwinbind_endgrent, NULL },
398 { NSDB_GROUP, "getgrent", netbsdwinbind_getgrent, NULL },
399 { NSDB_GROUP, "getgrent_r", netbsdwinbind_getgrent_r, NULL },
400 { NSDB_GROUP, "getgrgid", netbsdwinbind_getgrgid, NULL },
401 { NSDB_GROUP, "getgrgid_r", netbsdwinbind_getgrgid_r, NULL },
402 { NSDB_GROUP, "getgrnam", netbsdwinbind_getgrnam, NULL },
403 { NSDB_GROUP, "getgrnam_r", netbsdwinbind_getgrnam_r, NULL },
404 { NSDB_GROUP, "setgrent", netbsdwinbind_setgrent, NULL },
405 { NSDB_GROUP, "setgroupent", netbsdwinbind_setgrent, NULL },
406 { NSDB_GROUP, "getgroupmembership", netbsdwinbind_getgroupmembership, NULL },
408 { NSDB_PASSWD, "endpwent", netbsdwinbind_endpwent, NULL },
409 { NSDB_PASSWD, "getpwent", netbsdwinbind_getpwent, NULL },
410 { NSDB_PASSWD, "getpwent_r", netbsdwinbind_getpwent_r, NULL },
411 { NSDB_PASSWD, "getpwnam", netbsdwinbind_getpwnam, NULL },
412 { NSDB_PASSWD, "getpwnam_r", netbsdwinbind_getpwnam_r, NULL },
413 { NSDB_PASSWD, "getpwuid", netbsdwinbind_getpwuid, NULL },
414 { NSDB_PASSWD, "getpwuid_r", netbsdwinbind_getpwuid_r, NULL },
415 { NSDB_PASSWD, "setpassent", netbsdwinbind_setpwent, NULL },
416 { NSDB_PASSWD, "setpwent", netbsdwinbind_setpwent, NULL },
421 nss_module_register(const char *source, unsigned int *mtabsize,
422 nss_module_unregister_fn *unreg)
424 *mtabsize = sizeof(winbind_methods)/sizeof(winbind_methods[0]);
426 return (winbind_methods);
429 #endif /* NSS_MODULE_INTERFACE_VERSION && HAVE_GETPWENT_R */