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
);
66 NSS_STATUS
_nss_winbind_getusersids(const char *user_sid
, char **group_sids
,
67 int *num_groups
, char *buffer
, size_t buf_size
,
69 NSS_STATUS
_nss_winbind_nametosid(const char *name
, char **sid
, char *buffer
,
70 size_t buflen
, int *errnop
);
71 NSS_STATUS
_nss_winbind_sidtoname(const char *sid
, char **name
, char *buffer
,
72 size_t buflen
, int *errnop
);
73 NSS_STATUS
_nss_winbind_sidtouid(const char *sid
, uid_t
*uid
, int *errnop
);
74 NSS_STATUS
_nss_winbind_sidtogid(const char *sid
, gid_t
*gid
, int *errnop
);
75 NSS_STATUS
_nss_winbind_uidtosid(uid_t uid
, char **sid
, char *buffer
,
76 size_t buflen
, int *errnop
);
77 NSS_STATUS
_nss_winbind_gidtosid(gid_t gid
, char **sid
, char *buffer
,
78 size_t buflen
, int *errnop
);
81 netbsdwinbind_endgrent(void *nsrv
, void *nscb
, va_list ap
)
85 rv
= _nss_winbind_endgrent();
90 netbsdwinbind_setgrent(void *nsrv
, void *nscb
, va_list ap
)
94 rv
= _nss_winbind_setgrent();
99 netbsdwinbind_getgrent(void *nsrv
, void *nscb
, va_list ap
)
101 struct group
**retval
= va_arg(ap
, struct group
**);
106 rv
= _nss_winbind_getgrent_r(&_winbind_group
,
107 _winbind_groupbuf
, sizeof(_winbind_groupbuf
), &rerrno
);
108 if (rv
== NS_SUCCESS
)
109 *retval
= &_winbind_group
;
114 netbsdwinbind_getgrent_r(void *nsrv
, void *nscb
, va_list ap
)
116 int *retval
= va_arg(ap
, int *);
117 struct group
*grp
= va_arg(ap
, struct group
*);
118 char *buffer
= va_arg(ap
, char *);
119 size_t buflen
= va_arg(ap
, size_t);
120 struct group
**result
= va_arg(ap
, struct group
**);
127 rv
= _nss_winbind_getgrent_r(grp
, buffer
, buflen
, &rerrno
);
128 if (rv
== NS_SUCCESS
)
136 netbsdwinbind_getgrgid(void *nsrv
, void *nscb
, va_list ap
)
138 struct group
**retval
= va_arg(ap
, struct group
**);
139 gid_t gid
= va_arg(ap
, gid_t
);
144 rv
= _nss_winbind_getgrgid_r(gid
, &_winbind_group
,
145 _winbind_groupbuf
, sizeof(_winbind_groupbuf
), &rerrno
);
146 if (rv
== NS_SUCCESS
)
147 *retval
= &_winbind_group
;
152 netbsdwinbind_getgrgid_r(void *nsrv
, void *nscb
, va_list ap
)
154 int *retval
= va_arg(ap
, int *);
155 gid_t gid
= va_arg(ap
, gid_t
);
156 struct group
*grp
= va_arg(ap
, struct group
*);
157 char *buffer
= va_arg(ap
, char *);
158 size_t buflen
= va_arg(ap
, size_t);
159 struct group
**result
= va_arg(ap
, struct group
**);
166 rv
= _nss_winbind_getgrgid_r(gid
, grp
, buffer
, buflen
, &rerrno
);
167 if (rv
== NS_SUCCESS
)
175 netbsdwinbind_getgrnam(void *nsrv
, void *nscb
, va_list ap
)
177 struct group
**retval
= va_arg(ap
, struct group
**);
178 const char *name
= va_arg(ap
, const char *);
183 rv
= _nss_winbind_getgrnam_r(name
, &_winbind_group
,
184 _winbind_groupbuf
, sizeof(_winbind_groupbuf
), &rerrno
);
185 if (rv
== NS_SUCCESS
)
186 *retval
= &_winbind_group
;
191 netbsdwinbind_getgrnam_r(void *nsrv
, void *nscb
, va_list ap
)
193 int *retval
= va_arg(ap
, int *);
194 const char *name
= va_arg(ap
, const char *);
195 struct group
*grp
= va_arg(ap
, struct group
*);
196 char *buffer
= va_arg(ap
, char *);
197 size_t buflen
= va_arg(ap
, size_t);
198 struct group
**result
= va_arg(ap
, struct group
**);
205 rv
= _nss_winbind_getgrnam_r(name
, grp
, buffer
, buflen
, &rerrno
);
206 if (rv
== NS_SUCCESS
)
214 netbsdwinbind_getgroupmembership(void *nsrv
, void *nscb
, va_list ap
)
216 int *result
= va_arg(ap
, int *);
217 const char *uname
= va_arg(ap
, const char *);
218 gid_t agroup
= va_arg(ap
, gid_t
);
219 gid_t
*groups
= va_arg(ap
, gid_t
*);
220 int maxgrp
= va_arg(ap
, int);
221 int *groupc
= va_arg(ap
, int *);
223 struct winbindd_request request
;
224 struct winbindd_response response
;
226 int wblistc
, i
, isdup
, dupc
;
228 ZERO_STRUCT(request
);
229 ZERO_STRUCT(response
);
230 strncpy(request
.data
.username
, uname
,
231 sizeof(request
.data
.username
) - 1);
232 i
= winbindd_request_response(WINBINDD_GETGROUPS
, &request
, &response
);
233 if (i
!= NSS_STATUS_SUCCESS
)
235 wblistv
= (gid_t
*)response
.extra_data
.data
;
236 wblistc
= response
.data
.num_entries
;
238 for (i
= 0; i
< wblistc
; i
++) { /* add winbind gids */
239 isdup
= 0; /* skip duplicates */
240 for (dupc
= 0; dupc
< MIN(maxgrp
, *groupc
); dupc
++) {
241 if (groups
[dupc
] == wblistv
[i
]) {
248 if (*groupc
< maxgrp
) /* add this gid */
249 groups
[*groupc
] = wblistv
[i
];
264 static struct passwd _winbind_passwd
;
265 static char _winbind_passwdbuf
[1024];
268 netbsdwinbind_endpwent(void *nsrv
, void *nscb
, va_list ap
)
272 rv
= _nss_winbind_endpwent();
277 netbsdwinbind_setpwent(void *nsrv
, void *nscb
, va_list ap
)
281 rv
= _nss_winbind_setpwent();
286 netbsdwinbind_getpwent(void *nsrv
, void *nscb
, va_list ap
)
288 struct passwd
**retval
= va_arg(ap
, struct passwd
**);
294 rv
= _nss_winbind_getpwent_r(&_winbind_passwd
,
295 _winbind_passwdbuf
, sizeof(_winbind_passwdbuf
), &rerrno
);
296 if (rv
== NS_SUCCESS
)
297 *retval
= &_winbind_passwd
;
302 netbsdwinbind_getpwent_r(void *nsrv
, void *nscb
, va_list ap
)
304 int *retval
= va_arg(ap
, int *);
305 struct passwd
*pw
= va_arg(ap
, struct passwd
*);
306 char *buffer
= va_arg(ap
, char *);
307 size_t buflen
= va_arg(ap
, size_t);
308 struct passwd
**result
= va_arg(ap
, struct passwd
**);
315 rv
= _nss_winbind_getpwent_r(pw
, buffer
, buflen
, &rerrno
);
316 if (rv
== NS_SUCCESS
)
324 netbsdwinbind_getpwnam(void *nsrv
, void *nscb
, va_list ap
)
326 struct passwd
**retval
= va_arg(ap
, struct passwd
**);
327 const char *name
= va_arg(ap
, const char *);
332 rv
= _nss_winbind_getpwnam_r(name
, &_winbind_passwd
,
333 _winbind_passwdbuf
, sizeof(_winbind_passwdbuf
), &rerrno
);
334 if (rv
== NS_SUCCESS
)
335 *retval
= &_winbind_passwd
;
340 netbsdwinbind_getpwnam_r(void *nsrv
, void *nscb
, va_list ap
)
342 int *retval
= va_arg(ap
, int *);
343 const char *name
= va_arg(ap
, const char *);
344 struct passwd
*pw
= va_arg(ap
, struct passwd
*);
345 char *buffer
= va_arg(ap
, char *);
346 size_t buflen
= va_arg(ap
, size_t);
347 struct passwd
**result
= va_arg(ap
, struct passwd
**);
354 rv
= _nss_winbind_getpwnam_r(name
, pw
, buffer
, buflen
, &rerrno
);
355 if (rv
== NS_SUCCESS
)
363 netbsdwinbind_getpwuid(void *nsrv
, void *nscb
, va_list ap
)
365 struct passwd
**retval
= va_arg(ap
, struct passwd
**);
366 uid_t uid
= va_arg(ap
, uid_t
);
371 rv
= _nss_winbind_getpwuid_r(uid
, &_winbind_passwd
,
372 _winbind_passwdbuf
, sizeof(_winbind_passwdbuf
), &rerrno
);
373 if (rv
== NS_SUCCESS
)
374 *retval
= &_winbind_passwd
;
379 netbsdwinbind_getpwuid_r(void *nsrv
, void *nscb
, va_list ap
)
381 int *retval
= va_arg(ap
, int *);
382 uid_t uid
= va_arg(ap
, uid_t
);
383 struct passwd
*pw
= va_arg(ap
, struct passwd
*);
384 char *buffer
= va_arg(ap
, char *);
385 size_t buflen
= va_arg(ap
, size_t);
386 struct passwd
**result
= va_arg(ap
, struct passwd
**);
393 rv
= _nss_winbind_getpwuid_r(uid
, pw
, buffer
, buflen
, &rerrno
);
394 if (rv
== NS_SUCCESS
)
403 nsswitch module setup
404 ---------------------
408 static ns_mtab winbind_methods
[] = {
410 { NSDB_GROUP
, "endgrent", netbsdwinbind_endgrent
, NULL
},
411 { NSDB_GROUP
, "getgrent", netbsdwinbind_getgrent
, NULL
},
412 { NSDB_GROUP
, "getgrent_r", netbsdwinbind_getgrent_r
, NULL
},
413 { NSDB_GROUP
, "getgrgid", netbsdwinbind_getgrgid
, NULL
},
414 { NSDB_GROUP
, "getgrgid_r", netbsdwinbind_getgrgid_r
, NULL
},
415 { NSDB_GROUP
, "getgrnam", netbsdwinbind_getgrnam
, NULL
},
416 { NSDB_GROUP
, "getgrnam_r", netbsdwinbind_getgrnam_r
, NULL
},
417 { NSDB_GROUP
, "setgrent", netbsdwinbind_setgrent
, NULL
},
418 { NSDB_GROUP
, "setgroupent", netbsdwinbind_setgrent
, NULL
},
419 { NSDB_GROUP
, "getgroupmembership", netbsdwinbind_getgroupmembership
, NULL
},
421 { NSDB_PASSWD
, "endpwent", netbsdwinbind_endpwent
, NULL
},
422 { NSDB_PASSWD
, "getpwent", netbsdwinbind_getpwent
, NULL
},
423 { NSDB_PASSWD
, "getpwent_r", netbsdwinbind_getpwent_r
, NULL
},
424 { NSDB_PASSWD
, "getpwnam", netbsdwinbind_getpwnam
, NULL
},
425 { NSDB_PASSWD
, "getpwnam_r", netbsdwinbind_getpwnam_r
, NULL
},
426 { NSDB_PASSWD
, "getpwuid", netbsdwinbind_getpwuid
, NULL
},
427 { NSDB_PASSWD
, "getpwuid_r", netbsdwinbind_getpwuid_r
, NULL
},
428 { NSDB_PASSWD
, "setpassent", netbsdwinbind_setpwent
, NULL
},
429 { NSDB_PASSWD
, "setpwent", netbsdwinbind_setpwent
, NULL
},
434 nss_module_register(const char *source
, unsigned int *mtabsize
,
435 nss_module_unregister_fn
*unreg
)
437 *mtabsize
= sizeof(winbind_methods
)/sizeof(winbind_methods
[0]);
439 return (winbind_methods
);
442 #endif /* NSS_MODULE_INTERFACE_VERSION && HAVE_GETPWENT_R */