2 * Copyright (C) Stefan Metzmacher 2007 <metze@samba.org>
3 * Copyright (C) Guenther Deschner 2009 <gd@samba.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the author nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #define NSS_WRAPPER_NOT_REPLACE
38 #include "../replace/replace.h"
39 #include "system/passwd.h"
40 #include "system/filesys.h"
41 #include "../nsswitch/nsstest.h"
43 #else /* _SAMBA_BUILD_ */
45 #error nss_wrapper_only_supported_in_samba_yet
53 /* not all systems have _r functions... */
54 #ifndef HAVE_GETPWNAM_R
55 #define getpwnam_r(name, pwdst, buf, buflen, pwdstp) ENOSYS
57 #ifndef HAVE_GETPWUID_R
58 #define getpwuid_r(uid, pwdst, buf, buflen, pwdstp) ENOSYS
60 #ifndef HAVE_GETPWENT_R
61 #define getpwent_r(pwdst, buf, buflen, pwdstp) ENOSYS
63 #ifndef HAVE_GETGRNAM_R
64 #define getgrnam_r(name, grdst, buf, buflen, grdstp) ENOSYS
66 #ifndef HAVE_GETGRGID_R
67 #define getgrgid_r(gid, grdst, buf, buflen, grdstp) ENOSYS
69 #ifndef HAVE_GETGRENT_R
70 #define getgrent_r(grdst, buf, buflen, grdstp) ENOSYS
73 /* not all systems have getgrouplist */
74 #ifndef HAVE_GETGROUPLIST
75 #define getgrouplist(user, group, groups, ngroups) 0
78 /* LD_PRELOAD doesn't work yet, so REWRITE_CALLS is all we support
84 #define real_getpwnam getpwnam
85 #define real_getpwnam_r getpwnam_r
86 #define real_getpwuid getpwuid
87 #define real_getpwuid_r getpwuid_r
89 #define real_setpwent setpwent
90 #define real_getpwent getpwent
91 #define real_getpwent_r getpwent_r
92 #define real_endpwent endpwent
95 #define real_getgrlst getgrlst
96 #define real_getgrlst_r getgrlst_r
97 #define real_initgroups_dyn initgroups_dyn
99 #define real_initgroups initgroups
100 #define real_getgrouplist getgrouplist
102 #define real_getgrnam getgrnam
103 #define real_getgrnam_r getgrnam_r
104 #define real_getgrgid getgrgid
105 #define real_getgrgid_r getgrgid_r
107 #define real_setgrent setgrent
108 #define real_getgrent getgrent
109 #define real_getgrent_r getgrent_r
110 #define real_endgrent endgrent
116 # define NWRAP_ERROR(args) DEBUG(0, args)
118 # define NWRAP_ERROR(args) printf args
121 #define NWRAP_ERROR(args)
126 # define NWRAP_DEBUG(args) DEBUG(0, args)
128 # define NWRAP_DEBUG(args) printf args
131 #define NWRAP_DEBUG(args)
136 # define NWRAP_VERBOSE(args) DEBUG(0, args)
138 # define NWRAP_VERBOSE(args) printf args
141 #define NWRAP_VERBOSE(args)
144 struct nwrap_module_nss_fns {
145 NSS_STATUS (*_nss_getpwnam_r)(const char *name, struct passwd *result, char *buffer,
146 size_t buflen, int *errnop);
147 NSS_STATUS (*_nss_getpwuid_r)(uid_t uid, struct passwd *result, char *buffer,
148 size_t buflen, int *errnop);
149 NSS_STATUS (*_nss_setpwent)(void);
150 NSS_STATUS (*_nss_getpwent_r)(struct passwd *result, char *buffer,
151 size_t buflen, int *errnop);
152 NSS_STATUS (*_nss_endpwent)(void);
153 NSS_STATUS (*_nss_initgroups)(const char *user, gid_t group, long int *start,
154 long int *size, gid_t **groups, long int limit, int *errnop);
155 NSS_STATUS (*_nss_getgrnam_r)(const char *name, struct group *result, char *buffer,
156 size_t buflen, int *errnop);
157 NSS_STATUS (*_nss_getgrgid_r)(gid_t gid, struct group *result, char *buffer,
158 size_t buflen, int *errnop);
159 NSS_STATUS (*_nss_setgrent)(void);
160 NSS_STATUS (*_nss_getgrent_r)(struct group *result, char *buffer,
161 size_t buflen, int *errnop);
162 NSS_STATUS (*_nss_endgrent)(void);
165 struct nwrap_backend {
169 struct nwrap_ops *ops;
170 struct nwrap_module_nss_fns *fns;
174 struct passwd * (*nw_getpwnam)(struct nwrap_backend *b,
176 int (*nw_getpwnam_r)(struct nwrap_backend *b,
177 const char *name, struct passwd *pwdst,
178 char *buf, size_t buflen, struct passwd **pwdstp);
179 struct passwd * (*nw_getpwuid)(struct nwrap_backend *b,
181 int (*nw_getpwuid_r)(struct nwrap_backend *b,
182 uid_t uid, struct passwd *pwdst,
183 char *buf, size_t buflen, struct passwd **pwdstp);
184 void (*nw_setpwent)(struct nwrap_backend *b);
185 struct passwd * (*nw_getpwent)(struct nwrap_backend *b);
186 int (*nw_getpwent_r)(struct nwrap_backend *b,
187 struct passwd *pwdst, char *buf,
188 size_t buflen, struct passwd **pwdstp);
189 void (*nw_endpwent)(struct nwrap_backend *b);
190 int (*nw_initgroups)(struct nwrap_backend *b,
191 const char *user, gid_t group);
192 struct group * (*nw_getgrnam)(struct nwrap_backend *b,
194 int (*nw_getgrnam_r)(struct nwrap_backend *b,
195 const char *name, struct group *grdst,
196 char *buf, size_t buflen, struct group **grdstp);
197 struct group * (*nw_getgrgid)(struct nwrap_backend *b,
199 int (*nw_getgrgid_r)(struct nwrap_backend *b,
200 gid_t gid, struct group *grdst,
201 char *buf, size_t buflen, struct group **grdstp);
202 void (*nw_setgrent)(struct nwrap_backend *b);
203 struct group * (*nw_getgrent)(struct nwrap_backend *b);
204 int (*nw_getgrent_r)(struct nwrap_backend *b,
205 struct group *grdst, char *buf,
206 size_t buflen, struct group **grdstp);
207 void (*nw_endgrent)(struct nwrap_backend *b);
210 /* protoypes for files backend */
213 static struct passwd *nwrap_files_getpwnam(struct nwrap_backend *b,
215 static int nwrap_files_getpwnam_r(struct nwrap_backend *b,
216 const char *name, struct passwd *pwdst,
217 char *buf, size_t buflen, struct passwd **pwdstp);
218 static struct passwd *nwrap_files_getpwuid(struct nwrap_backend *b,
220 static int nwrap_files_getpwuid_r(struct nwrap_backend *b,
221 uid_t uid, struct passwd *pwdst,
222 char *buf, size_t buflen, struct passwd **pwdstp);
223 static void nwrap_files_setpwent(struct nwrap_backend *b);
224 static struct passwd *nwrap_files_getpwent(struct nwrap_backend *b);
225 static int nwrap_files_getpwent_r(struct nwrap_backend *b,
226 struct passwd *pwdst, char *buf,
227 size_t buflen, struct passwd **pwdstp);
228 static void nwrap_files_endpwent(struct nwrap_backend *b);
229 static int nwrap_files_initgroups(struct nwrap_backend *b,
230 const char *user, gid_t group);
231 static struct group *nwrap_files_getgrnam(struct nwrap_backend *b,
233 static int nwrap_files_getgrnam_r(struct nwrap_backend *b,
234 const char *name, struct group *grdst,
235 char *buf, size_t buflen, struct group **grdstp);
236 static struct group *nwrap_files_getgrgid(struct nwrap_backend *b,
238 static int nwrap_files_getgrgid_r(struct nwrap_backend *b,
239 gid_t gid, struct group *grdst,
240 char *buf, size_t buflen, struct group **grdstp);
241 static void nwrap_files_setgrent(struct nwrap_backend *b);
242 static struct group *nwrap_files_getgrent(struct nwrap_backend *b);
243 static int nwrap_files_getgrent_r(struct nwrap_backend *b,
244 struct group *grdst, char *buf,
245 size_t buflen, struct group **grdstp);
246 static void nwrap_files_endgrent(struct nwrap_backend *b);
248 /* protoypes for module backend */
250 static struct passwd *nwrap_module_getpwent(struct nwrap_backend *b);
251 static int nwrap_module_getpwent_r(struct nwrap_backend *b,
252 struct passwd *pwdst, char *buf,
253 size_t buflen, struct passwd **pwdstp);
254 static struct passwd *nwrap_module_getpwnam(struct nwrap_backend *b,
256 static int nwrap_module_getpwnam_r(struct nwrap_backend *b,
257 const char *name, struct passwd *pwdst,
258 char *buf, size_t buflen, struct passwd **pwdstp);
259 static struct passwd *nwrap_module_getpwuid(struct nwrap_backend *b,
261 static int nwrap_module_getpwuid_r(struct nwrap_backend *b,
262 uid_t uid, struct passwd *pwdst,
263 char *buf, size_t buflen, struct passwd **pwdstp);
264 static void nwrap_module_setpwent(struct nwrap_backend *b);
265 static void nwrap_module_endpwent(struct nwrap_backend *b);
266 static struct group *nwrap_module_getgrent(struct nwrap_backend *b);
267 static int nwrap_module_getgrent_r(struct nwrap_backend *b,
268 struct group *grdst, char *buf,
269 size_t buflen, struct group **grdstp);
270 static struct group *nwrap_module_getgrnam(struct nwrap_backend *b,
272 static int nwrap_module_getgrnam_r(struct nwrap_backend *b,
273 const char *name, struct group *grdst,
274 char *buf, size_t buflen, struct group **grdstp);
275 static struct group *nwrap_module_getgrgid(struct nwrap_backend *b,
277 static int nwrap_module_getgrgid_r(struct nwrap_backend *b,
278 gid_t gid, struct group *grdst,
279 char *buf, size_t buflen, struct group **grdstp);
280 static void nwrap_module_setgrent(struct nwrap_backend *b);
281 static void nwrap_module_endgrent(struct nwrap_backend *b);
282 static int nwrap_module_initgroups(struct nwrap_backend *b,
283 const char *user, gid_t group);
285 struct nwrap_ops nwrap_files_ops = {
286 .nw_getpwnam = nwrap_files_getpwnam,
287 .nw_getpwnam_r = nwrap_files_getpwnam_r,
288 .nw_getpwuid = nwrap_files_getpwuid,
289 .nw_getpwuid_r = nwrap_files_getpwuid_r,
290 .nw_setpwent = nwrap_files_setpwent,
291 .nw_getpwent = nwrap_files_getpwent,
292 .nw_getpwent_r = nwrap_files_getpwent_r,
293 .nw_endpwent = nwrap_files_endpwent,
294 .nw_initgroups = nwrap_files_initgroups,
295 .nw_getgrnam = nwrap_files_getgrnam,
296 .nw_getgrnam_r = nwrap_files_getgrnam_r,
297 .nw_getgrgid = nwrap_files_getgrgid,
298 .nw_getgrgid_r = nwrap_files_getgrgid_r,
299 .nw_setgrent = nwrap_files_setgrent,
300 .nw_getgrent = nwrap_files_getgrent,
301 .nw_getgrent_r = nwrap_files_getgrent_r,
302 .nw_endgrent = nwrap_files_endgrent,
305 struct nwrap_ops nwrap_module_ops = {
306 .nw_getpwnam = nwrap_module_getpwnam,
307 .nw_getpwnam_r = nwrap_module_getpwnam_r,
308 .nw_getpwuid = nwrap_module_getpwuid,
309 .nw_getpwuid_r = nwrap_module_getpwuid_r,
310 .nw_setpwent = nwrap_module_setpwent,
311 .nw_getpwent = nwrap_module_getpwent,
312 .nw_getpwent_r = nwrap_module_getpwent_r,
313 .nw_endpwent = nwrap_module_endpwent,
314 .nw_initgroups = nwrap_module_initgroups,
315 .nw_getgrnam = nwrap_module_getgrnam,
316 .nw_getgrnam_r = nwrap_module_getgrnam_r,
317 .nw_getgrgid = nwrap_module_getgrgid,
318 .nw_getgrgid_r = nwrap_module_getgrgid_r,
319 .nw_setgrent = nwrap_module_setgrent,
320 .nw_getgrent = nwrap_module_getgrent,
321 .nw_getgrent_r = nwrap_module_getgrent_r,
322 .nw_endgrent = nwrap_module_endgrent,
326 const char *nwrap_switch;
328 struct nwrap_backend *backends;
331 struct nwrap_main *nwrap_main_global;
332 struct nwrap_main __nwrap_main_global;
340 bool (*parse_line)(struct nwrap_cache *, char *line);
341 void (*unload)(struct nwrap_cache *);
345 struct nwrap_cache *cache;
352 struct nwrap_cache __nwrap_cache_pw;
353 struct nwrap_pw nwrap_pw_global;
355 static bool nwrap_pw_parse_line(struct nwrap_cache *nwrap, char *line);
356 static void nwrap_pw_unload(struct nwrap_cache *nwrap);
359 struct nwrap_cache *cache;
366 struct nwrap_cache __nwrap_cache_gr;
367 struct nwrap_gr nwrap_gr_global;
369 static bool nwrap_gr_parse_line(struct nwrap_cache *nwrap, char *line);
370 static void nwrap_gr_unload(struct nwrap_cache *nwrap);
372 static void *nwrap_load_module_fn(struct nwrap_backend *b,
379 NWRAP_ERROR(("%s: no handle\n",
384 if (asprintf(&s, "_nss_%s_%s", b->name, fn_name) == -1) {
385 NWRAP_ERROR(("%s: out of memory\n",
390 res = dlsym(b->so_handle, s);
392 NWRAP_ERROR(("%s: cannot find function %s in %s\n",
393 __location__, s, b->so_path));
400 static struct nwrap_module_nss_fns *nwrap_load_module_fns(struct nwrap_backend *b)
402 struct nwrap_module_nss_fns *fns;
408 fns = (struct nwrap_module_nss_fns *)malloc(sizeof(struct nwrap_module_nss_fns));
413 fns->_nss_getpwnam_r = (NSS_STATUS (*)(const char *, struct passwd *, char *, size_t, int *))
414 nwrap_load_module_fn(b, "getpwnam_r");
415 fns->_nss_getpwuid_r = (NSS_STATUS (*)(uid_t, struct passwd *, char *, size_t, int *))
416 nwrap_load_module_fn(b, "getpwuid_r");
417 fns->_nss_setpwent = (NSS_STATUS(*)(void))
418 nwrap_load_module_fn(b, "setpwent");
419 fns->_nss_getpwent_r = (NSS_STATUS (*)(struct passwd *, char *, size_t, int *))
420 nwrap_load_module_fn(b, "getpwent_r");
421 fns->_nss_endpwent = (NSS_STATUS(*)(void))
422 nwrap_load_module_fn(b, "endpwent");
423 fns->_nss_initgroups = (NSS_STATUS (*)(const char *, gid_t, long int *, long int *, gid_t **, long int, int *))
424 nwrap_load_module_fn(b, "initgroups_dyn");
425 fns->_nss_getgrnam_r = (NSS_STATUS (*)(const char *, struct group *, char *, size_t, int *))
426 nwrap_load_module_fn(b, "getgrnam_r");
427 fns->_nss_getgrgid_r = (NSS_STATUS (*)(gid_t, struct group *, char *, size_t, int *))
428 nwrap_load_module_fn(b, "getgrgid_r");
429 fns->_nss_setgrent = (NSS_STATUS(*)(void))
430 nwrap_load_module_fn(b, "setgrent");
431 fns->_nss_getgrent_r = (NSS_STATUS (*)(struct group *, char *, size_t, int *))
432 nwrap_load_module_fn(b, "getgrent_r");
433 fns->_nss_endgrent = (NSS_STATUS(*)(void))
434 nwrap_load_module_fn(b, "endgrent");
439 static void *nwrap_load_module(const char *so_path)
443 if (!so_path || !strlen(so_path)) {
447 h = dlopen(so_path, RTLD_LAZY);
449 NWRAP_ERROR(("%s: cannot open shared library %s\n",
450 __location__, so_path));
457 static bool nwrap_module_init(const char *name,
458 struct nwrap_ops *ops,
461 struct nwrap_backend **backends)
463 *backends = (struct nwrap_backend *)realloc(*backends,
464 sizeof(struct nwrap_backend) * ((*num_backends) + 1));
466 NWRAP_ERROR(("%s: out of memory\n",
471 (*backends)[*num_backends].name = name;
472 (*backends)[*num_backends].ops = ops;
473 (*backends)[*num_backends].so_path = so_path;
474 (*backends)[*num_backends].so_handle = nwrap_load_module(so_path);
475 (*backends)[*num_backends].fns = nwrap_load_module_fns(&((*backends)[*num_backends]));
482 static void nwrap_backend_init(struct nwrap_main *r)
484 const char *winbind_so_path = getenv("NSS_WRAPPER_WINBIND_SO_PATH");
489 if (!nwrap_module_init("files", &nwrap_files_ops, NULL,
492 NWRAP_ERROR(("%s: failed to initialize 'files' backend\n",
497 if (winbind_so_path && strlen(winbind_so_path)) {
498 if (!nwrap_module_init("winbind", &nwrap_module_ops, winbind_so_path,
501 NWRAP_ERROR(("%s: failed to initialize 'winbind' backend\n",
508 static void nwrap_init(void)
510 static bool initialized;
512 if (initialized) return;
515 nwrap_main_global = &__nwrap_main_global;
517 nwrap_backend_init(nwrap_main_global);
519 nwrap_pw_global.cache = &__nwrap_cache_pw;
521 nwrap_pw_global.cache->path = getenv("NSS_WRAPPER_PASSWD");
522 nwrap_pw_global.cache->fd = -1;
523 nwrap_pw_global.cache->private_data = &nwrap_pw_global;
524 nwrap_pw_global.cache->parse_line = nwrap_pw_parse_line;
525 nwrap_pw_global.cache->unload = nwrap_pw_unload;
527 nwrap_gr_global.cache = &__nwrap_cache_gr;
529 nwrap_gr_global.cache->path = getenv("NSS_WRAPPER_GROUP");
530 nwrap_gr_global.cache->fd = -1;
531 nwrap_gr_global.cache->private_data = &nwrap_gr_global;
532 nwrap_gr_global.cache->parse_line = nwrap_gr_parse_line;
533 nwrap_gr_global.cache->unload = nwrap_gr_unload;
536 static bool nwrap_enabled(void)
540 if (!nwrap_pw_global.cache->path) {
543 if (nwrap_pw_global.cache->path[0] == '\0') {
546 if (!nwrap_gr_global.cache->path) {
549 if (nwrap_gr_global.cache->path[0] == '\0') {
556 static bool nwrap_parse_file(struct nwrap_cache *nwrap)
562 if (nwrap->st.st_size == 0) {
563 NWRAP_DEBUG(("%s: size == 0\n",
568 if (nwrap->st.st_size > INT32_MAX) {
569 NWRAP_ERROR(("%s: size[%u] larger than INT32_MAX\n",
570 __location__, (unsigned)nwrap->st.st_size));
574 ret = lseek(nwrap->fd, 0, SEEK_SET);
576 NWRAP_ERROR(("%s: lseek - %d\n",__location__,ret));
580 buf = (uint8_t *)malloc(nwrap->st.st_size + 1);
582 NWRAP_ERROR(("%s: malloc failed\n",__location__));
586 ret = read(nwrap->fd, buf, nwrap->st.st_size);
587 if (ret != nwrap->st.st_size) {
588 NWRAP_ERROR(("%s: read(%u) gave %d\n",
589 __location__, (unsigned)nwrap->st.st_size, ret));
593 buf[nwrap->st.st_size] = '\0';
596 while (nline && nline[0]) {
604 e = strchr(line, '\n');
615 NWRAP_VERBOSE(("%s:'%s'\n",__location__, line));
617 if (strlen(line) == 0) {
621 ok = nwrap->parse_line(nwrap, line);
636 static void nwrap_files_cache_unload(struct nwrap_cache *nwrap)
638 nwrap->unload(nwrap);
640 if (nwrap->buf) free(nwrap->buf);
645 static void nwrap_files_cache_reload(struct nwrap_cache *nwrap)
650 bool retried = false;
654 nwrap->fd = open(nwrap->path, O_RDONLY);
656 NWRAP_ERROR(("%s: unable to open '%s' readonly %d:%s\n",
658 nwrap->path, nwrap->fd,
662 NWRAP_VERBOSE(("%s: open '%s'\n", __location__, nwrap->path));
665 ret = fstat(nwrap->fd, &st);
667 NWRAP_ERROR(("%s: fstat(%s) - %d:%s\n",
670 ret, strerror(errno)));
674 if (retried == false && st.st_nlink == 0) {
675 /* maybe someone has replaced the file... */
676 NWRAP_DEBUG(("%s: st_nlink == 0, reopen %s\n",
677 __location__, nwrap->path));
679 memset(&nwrap->st, 0, sizeof(nwrap->st));
685 if (st.st_mtime == nwrap->st.st_mtime) {
686 NWRAP_VERBOSE(("%s: st_mtime[%u] hasn't changed, skip reload\n",
687 __location__, (unsigned)st.st_mtime));
690 NWRAP_DEBUG(("%s: st_mtime has changed [%u] => [%u], start reload\n",
691 __location__, (unsigned)st.st_mtime,
692 (unsigned)nwrap->st.st_mtime));
696 nwrap_files_cache_unload(nwrap);
698 ok = nwrap_parse_file(nwrap);
700 NWRAP_ERROR(("%s: failed to reload %s\n",
701 __location__, nwrap->path));
702 nwrap_files_cache_unload(nwrap);
704 NWRAP_DEBUG(("%s: reloaded %s\n",
705 __location__, nwrap->path));
709 * the caller has to call nwrap_unload() on failure
711 static bool nwrap_pw_parse_line(struct nwrap_cache *nwrap, char *line)
713 struct nwrap_pw *nwrap_pw;
720 nwrap_pw = (struct nwrap_pw *)nwrap->private_data;
722 list_size = sizeof(*nwrap_pw->list) * (nwrap_pw->num+1);
723 pw = (struct passwd *)realloc(nwrap_pw->list, list_size);
725 NWRAP_ERROR(("%s:realloc(%u) failed\n",
726 __location__, list_size));
731 pw = &nwrap_pw->list[nwrap_pw->num];
738 NWRAP_ERROR(("%s:invalid line[%s]: '%s'\n",
739 __location__, line, c));
747 NWRAP_VERBOSE(("name[%s]\n", pw->pw_name));
752 NWRAP_ERROR(("%s:invalid line[%s]: '%s'\n",
753 __location__, line, c));
761 NWRAP_VERBOSE(("password[%s]\n", pw->pw_passwd));
766 NWRAP_ERROR(("%s:invalid line[%s]: '%s'\n",
767 __location__, line, c));
773 pw->pw_uid = (uid_t)strtoul(c, &e, 10);
775 NWRAP_ERROR(("%s:invalid line[%s]: '%s' - %s\n",
776 __location__, line, c, strerror(errno)));
780 NWRAP_ERROR(("%s:invalid line[%s]: '%s' - %s\n",
781 __location__, line, c, strerror(errno)));
785 NWRAP_ERROR(("%s:invalid line[%s]: '%s' - %s\n",
786 __location__, line, c, strerror(errno)));
791 NWRAP_VERBOSE(("uid[%u]\n", pw->pw_uid));
796 NWRAP_ERROR(("%s:invalid line[%s]: '%s'\n",
797 __location__, line, c));
803 pw->pw_gid = (gid_t)strtoul(c, &e, 10);
805 NWRAP_ERROR(("%s:invalid line[%s]: '%s' - %s\n",
806 __location__, line, c, strerror(errno)));
810 NWRAP_ERROR(("%s:invalid line[%s]: '%s' - %s\n",
811 __location__, line, c, strerror(errno)));
815 NWRAP_ERROR(("%s:invalid line[%s]: '%s' - %s\n",
816 __location__, line, c, strerror(errno)));
821 NWRAP_VERBOSE(("gid[%u]\n", pw->pw_gid));
826 NWRAP_ERROR(("%s:invalid line[%s]: '%s'\n",
827 __location__, line, c));
835 NWRAP_VERBOSE(("gecos[%s]\n", pw->pw_gecos));
840 NWRAP_ERROR(("%s:'%s'\n",__location__,c));
848 NWRAP_VERBOSE(("dir[%s]\n", pw->pw_dir));
852 NWRAP_VERBOSE(("shell[%s]\n", pw->pw_shell));
854 NWRAP_DEBUG(("add user[%s:%s:%u:%u:%s:%s:%s]\n",
855 pw->pw_name, pw->pw_passwd,
856 pw->pw_uid, pw->pw_gid,
857 pw->pw_gecos, pw->pw_dir, pw->pw_shell));
863 static void nwrap_pw_unload(struct nwrap_cache *nwrap)
865 struct nwrap_pw *nwrap_pw;
866 nwrap_pw = (struct nwrap_pw *)nwrap->private_data;
868 if (nwrap_pw->list) free(nwrap_pw->list);
870 nwrap_pw->list = NULL;
875 static int nwrap_pw_copy_r(const struct passwd *src, struct passwd *dst,
876 char *buf, size_t buflen, struct passwd **dstp)
882 first = src->pw_name;
884 last = src->pw_shell;
885 while (*last) last++;
887 ofs = PTR_DIFF(last + 1, first);
893 memcpy(buf, first, ofs);
895 ofs = PTR_DIFF(src->pw_name, first);
896 dst->pw_name = buf + ofs;
897 ofs = PTR_DIFF(src->pw_passwd, first);
898 dst->pw_passwd = buf + ofs;
899 dst->pw_uid = src->pw_uid;
900 dst->pw_gid = src->pw_gid;
901 ofs = PTR_DIFF(src->pw_gecos, first);
902 dst->pw_gecos = buf + ofs;
903 ofs = PTR_DIFF(src->pw_dir, first);
904 dst->pw_dir = buf + ofs;
905 ofs = PTR_DIFF(src->pw_shell, first);
906 dst->pw_shell = buf + ofs;
916 * the caller has to call nwrap_unload() on failure
918 static bool nwrap_gr_parse_line(struct nwrap_cache *nwrap, char *line)
920 struct nwrap_gr *nwrap_gr;
928 nwrap_gr = (struct nwrap_gr *)nwrap->private_data;
930 list_size = sizeof(*nwrap_gr->list) * (nwrap_gr->num+1);
931 gr = (struct group *)realloc(nwrap_gr->list, list_size);
933 NWRAP_ERROR(("%s:realloc failed\n",__location__));
938 gr = &nwrap_gr->list[nwrap_gr->num];
945 NWRAP_ERROR(("%s:invalid line[%s]: '%s'\n",
946 __location__, line, c));
954 NWRAP_VERBOSE(("name[%s]\n", gr->gr_name));
959 NWRAP_ERROR(("%s:invalid line[%s]: '%s'\n",
960 __location__, line, c));
968 NWRAP_VERBOSE(("password[%s]\n", gr->gr_passwd));
973 NWRAP_ERROR(("%s:invalid line[%s]: '%s'\n",
974 __location__, line, c));
980 gr->gr_gid = (gid_t)strtoul(c, &e, 10);
982 NWRAP_ERROR(("%s:invalid line[%s]: '%s' - %s\n",
983 __location__, line, c, strerror(errno)));
987 NWRAP_ERROR(("%s:invalid line[%s]: '%s' - %s\n",
988 __location__, line, c, strerror(errno)));
992 NWRAP_ERROR(("%s:invalid line[%s]: '%s' - %s\n",
993 __location__, line, c, strerror(errno)));
998 NWRAP_VERBOSE(("gid[%u]\n", gr->gr_gid));
1001 gr->gr_mem = (char **)malloc(sizeof(char *));
1003 NWRAP_ERROR(("%s:calloc failed\n",__location__));
1006 gr->gr_mem[0] = NULL;
1008 for(nummem=0; p; nummem++) {
1018 if (strlen(c) == 0) {
1022 m_size = sizeof(char *) * (nummem+2);
1023 m = (char **)realloc(gr->gr_mem, m_size);
1025 NWRAP_ERROR(("%s:realloc(%u) failed\n",
1026 __location__, m_size));
1030 gr->gr_mem[nummem] = c;
1031 gr->gr_mem[nummem+1] = NULL;
1033 NWRAP_VERBOSE(("member[%u]: '%s'\n", nummem, gr->gr_mem[nummem]));
1036 NWRAP_DEBUG(("add group[%s:%s:%u:] with %u members\n",
1037 gr->gr_name, gr->gr_passwd, gr->gr_gid, nummem));
1043 static void nwrap_gr_unload(struct nwrap_cache *nwrap)
1046 struct nwrap_gr *nwrap_gr;
1047 nwrap_gr = (struct nwrap_gr *)nwrap->private_data;
1049 if (nwrap_gr->list) {
1050 for (i=0; i < nwrap_gr->num; i++) {
1051 if (nwrap_gr->list[i].gr_mem) {
1052 free(nwrap_gr->list[i].gr_mem);
1055 free(nwrap_gr->list);
1058 nwrap_gr->list = NULL;
1063 static int nwrap_gr_copy_r(const struct group *src, struct group *dst,
1064 char *buf, size_t buflen, struct group **dstp)
1074 first = src->gr_name;
1076 lastm = src->gr_mem;
1083 last = src->gr_passwd;
1085 while (*last) last++;
1087 ofsb = PTR_DIFF(last + 1, first);
1088 ofsm = PTR_DIFF(lastm + 1, src->gr_mem);
1090 if ((ofsb + ofsm) > buflen) {
1094 memcpy(buf, first, ofsb);
1095 memcpy(buf + ofsb, src->gr_mem, ofsm);
1097 ofs = PTR_DIFF(src->gr_name, first);
1098 dst->gr_name = buf + ofs;
1099 ofs = PTR_DIFF(src->gr_passwd, first);
1100 dst->gr_passwd = buf + ofs;
1101 dst->gr_gid = src->gr_gid;
1103 dst->gr_mem = (char **)(buf + ofsb);
1104 for (i=0; src->gr_mem[i]; i++) {
1105 ofs = PTR_DIFF(src->gr_mem[i], first);
1106 dst->gr_mem[i] = buf + ofs;
1116 /* user functions */
1117 static struct passwd *nwrap_files_getpwnam(struct nwrap_backend *b,
1122 nwrap_files_cache_reload(nwrap_pw_global.cache);
1124 for (i=0; i<nwrap_pw_global.num; i++) {
1125 if (strcmp(nwrap_pw_global.list[i].pw_name, name) == 0) {
1126 NWRAP_DEBUG(("%s: user[%s] found\n",
1127 __location__, name));
1128 return &nwrap_pw_global.list[i];
1130 NWRAP_VERBOSE(("%s: user[%s] does not match [%s]\n",
1132 nwrap_pw_global.list[i].pw_name));
1135 NWRAP_DEBUG(("%s: user[%s] not found\n", __location__, name));
1141 static int nwrap_files_getpwnam_r(struct nwrap_backend *b,
1142 const char *name, struct passwd *pwdst,
1143 char *buf, size_t buflen, struct passwd **pwdstp)
1147 pw = nwrap_files_getpwnam(b, name);
1155 return nwrap_pw_copy_r(pw, pwdst, buf, buflen, pwdstp);
1158 static struct passwd *nwrap_files_getpwuid(struct nwrap_backend *b,
1163 nwrap_files_cache_reload(nwrap_pw_global.cache);
1165 for (i=0; i<nwrap_pw_global.num; i++) {
1166 if (nwrap_pw_global.list[i].pw_uid == uid) {
1167 NWRAP_DEBUG(("%s: uid[%u] found\n",
1168 __location__, uid));
1169 return &nwrap_pw_global.list[i];
1171 NWRAP_VERBOSE(("%s: uid[%u] does not match [%u]\n",
1173 nwrap_pw_global.list[i].pw_uid));
1176 NWRAP_DEBUG(("%s: uid[%u] not found\n", __location__, uid));
1182 static int nwrap_files_getpwuid_r(struct nwrap_backend *b,
1183 uid_t uid, struct passwd *pwdst,
1184 char *buf, size_t buflen, struct passwd **pwdstp)
1188 pw = nwrap_files_getpwuid(b, uid);
1196 return nwrap_pw_copy_r(pw, pwdst, buf, buflen, pwdstp);
1199 /* user enum functions */
1200 static void nwrap_files_setpwent(struct nwrap_backend *b)
1202 nwrap_pw_global.idx = 0;
1205 static struct passwd *nwrap_files_getpwent(struct nwrap_backend *b)
1209 if (nwrap_pw_global.idx == 0) {
1210 nwrap_files_cache_reload(nwrap_pw_global.cache);
1213 if (nwrap_pw_global.idx >= nwrap_pw_global.num) {
1218 pw = &nwrap_pw_global.list[nwrap_pw_global.idx++];
1220 NWRAP_VERBOSE(("%s: return user[%s] uid[%u]\n",
1221 __location__, pw->pw_name, pw->pw_uid));
1226 static int nwrap_files_getpwent_r(struct nwrap_backend *b,
1227 struct passwd *pwdst, char *buf,
1228 size_t buflen, struct passwd **pwdstp)
1232 pw = nwrap_files_getpwent(b);
1240 return nwrap_pw_copy_r(pw, pwdst, buf, buflen, pwdstp);
1243 static void nwrap_files_endpwent(struct nwrap_backend *b)
1245 nwrap_pw_global.idx = 0;
1248 /* misc functions */
1249 static int nwrap_files_initgroups(struct nwrap_backend *b,
1250 const char *user, gid_t group)
1252 /* TODO: maybe we should also fake this... */
1256 /* group functions */
1257 static struct group *nwrap_files_getgrnam(struct nwrap_backend *b,
1262 nwrap_files_cache_reload(nwrap_gr_global.cache);
1264 for (i=0; i<nwrap_gr_global.num; i++) {
1265 if (strcmp(nwrap_gr_global.list[i].gr_name, name) == 0) {
1266 NWRAP_DEBUG(("%s: group[%s] found\n",
1267 __location__, name));
1268 return &nwrap_gr_global.list[i];
1270 NWRAP_VERBOSE(("%s: group[%s] does not match [%s]\n",
1272 nwrap_gr_global.list[i].gr_name));
1275 NWRAP_DEBUG(("%s: group[%s] not found\n", __location__, name));
1281 static int nwrap_files_getgrnam_r(struct nwrap_backend *b,
1282 const char *name, struct group *grdst,
1283 char *buf, size_t buflen, struct group **grdstp)
1287 gr = nwrap_files_getgrnam(b, name);
1295 return nwrap_gr_copy_r(gr, grdst, buf, buflen, grdstp);
1298 static struct group *nwrap_files_getgrgid(struct nwrap_backend *b,
1303 nwrap_files_cache_reload(nwrap_gr_global.cache);
1305 for (i=0; i<nwrap_gr_global.num; i++) {
1306 if (nwrap_gr_global.list[i].gr_gid == gid) {
1307 NWRAP_DEBUG(("%s: gid[%u] found\n",
1308 __location__, gid));
1309 return &nwrap_gr_global.list[i];
1311 NWRAP_VERBOSE(("%s: gid[%u] does not match [%u]\n",
1313 nwrap_gr_global.list[i].gr_gid));
1316 NWRAP_DEBUG(("%s: gid[%u] not found\n", __location__, gid));
1322 static int nwrap_files_getgrgid_r(struct nwrap_backend *b,
1323 gid_t gid, struct group *grdst,
1324 char *buf, size_t buflen, struct group **grdstp)
1328 gr = nwrap_files_getgrgid(b, gid);
1336 return nwrap_gr_copy_r(gr, grdst, buf, buflen, grdstp);
1339 /* group enum functions */
1340 static void nwrap_files_setgrent(struct nwrap_backend *b)
1342 nwrap_gr_global.idx = 0;
1345 static struct group *nwrap_files_getgrent(struct nwrap_backend *b)
1349 if (nwrap_gr_global.idx == 0) {
1350 nwrap_files_cache_reload(nwrap_gr_global.cache);
1353 if (nwrap_gr_global.idx >= nwrap_gr_global.num) {
1358 gr = &nwrap_gr_global.list[nwrap_gr_global.idx++];
1360 NWRAP_VERBOSE(("%s: return group[%s] gid[%u]\n",
1361 __location__, gr->gr_name, gr->gr_gid));
1366 static int nwrap_files_getgrent_r(struct nwrap_backend *b,
1367 struct group *grdst, char *buf,
1368 size_t buflen, struct group **grdstp)
1372 gr = nwrap_files_getgrent(b);
1380 return nwrap_gr_copy_r(gr, grdst, buf, buflen, grdstp);
1383 static void nwrap_files_endgrent(struct nwrap_backend *b)
1385 nwrap_gr_global.idx = 0;
1393 #define SAFE_FREE(x) do { if ((x) != NULL) {free(x); (x)=NULL;} } while(0)
1396 static struct passwd *nwrap_module_getpwnam(struct nwrap_backend *b,
1399 static struct passwd pwd;
1400 static char buf[1000];
1403 if (!b->fns->_nss_getpwnam_r) {
1407 status = b->fns->_nss_getpwnam_r(name, &pwd, buf, sizeof(buf), &errno);
1408 if (status == NSS_STATUS_NOTFOUND) {
1411 if (status != NSS_STATUS_SUCCESS) {
1417 static int nwrap_module_getpwnam_r(struct nwrap_backend *b,
1418 const char *name, struct passwd *pwdst,
1419 char *buf, size_t buflen, struct passwd **pwdstp)
1423 if (!b->fns->_nss_getpwnam_r) {
1424 return NSS_STATUS_NOTFOUND;
1427 ret = b->fns->_nss_getpwnam_r(name, pwdst, buf, buflen, &errno);
1429 case NSS_STATUS_SUCCESS:
1431 case NSS_STATUS_NOTFOUND:
1436 case NSS_STATUS_TRYAGAIN:
1449 static struct passwd *nwrap_module_getpwuid(struct nwrap_backend *b,
1452 static struct passwd pwd;
1453 static char buf[1000];
1456 if (!b->fns->_nss_getpwuid_r) {
1460 status = b->fns->_nss_getpwuid_r(uid, &pwd, buf, sizeof(buf), &errno);
1461 if (status == NSS_STATUS_NOTFOUND) {
1464 if (status != NSS_STATUS_SUCCESS) {
1470 static int nwrap_module_getpwuid_r(struct nwrap_backend *b,
1471 uid_t uid, struct passwd *pwdst,
1472 char *buf, size_t buflen, struct passwd **pwdstp)
1476 if (!b->fns->_nss_getpwuid_r) {
1480 ret = b->fns->_nss_getpwuid_r(uid, pwdst, buf, buflen, &errno);
1482 case NSS_STATUS_SUCCESS:
1484 case NSS_STATUS_NOTFOUND:
1489 case NSS_STATUS_TRYAGAIN:
1502 static void nwrap_module_setpwent(struct nwrap_backend *b)
1504 if (!b->fns->_nss_setpwent) {
1508 b->fns->_nss_setpwent();
1511 static struct passwd *nwrap_module_getpwent(struct nwrap_backend *b)
1513 static struct passwd pwd;
1514 static char buf[1000];
1517 if (!b->fns->_nss_getpwent_r) {
1521 status = b->fns->_nss_getpwent_r(&pwd, buf, sizeof(buf), &errno);
1522 if (status == NSS_STATUS_NOTFOUND) {
1525 if (status != NSS_STATUS_SUCCESS) {
1531 static int nwrap_module_getpwent_r(struct nwrap_backend *b,
1532 struct passwd *pwdst, char *buf,
1533 size_t buflen, struct passwd **pwdstp)
1537 if (!b->fns->_nss_getpwent_r) {
1541 ret = b->fns->_nss_getpwent_r(pwdst, buf, buflen, &errno);
1543 case NSS_STATUS_SUCCESS:
1545 case NSS_STATUS_NOTFOUND:
1550 case NSS_STATUS_TRYAGAIN:
1563 static void nwrap_module_endpwent(struct nwrap_backend *b)
1565 if (!b->fns->_nss_endpwent) {
1569 b->fns->_nss_endpwent();
1572 static int nwrap_module_initgroups(struct nwrap_backend *b,
1573 const char *user, gid_t group)
1579 if (!b->fns->_nss_initgroups) {
1580 return NSS_STATUS_UNAVAIL;
1583 return b->fns->_nss_initgroups(user, group, &start, &size, &groups, 0, &errno);
1586 static struct group *nwrap_module_getgrnam(struct nwrap_backend *b,
1589 static struct group grp;
1591 static int buflen = 1000;
1594 if (!b->fns->_nss_getgrnam_r) {
1599 buf = (char *)malloc(buflen);
1602 status = b->fns->_nss_getgrnam_r(name, &grp, buf, buflen, &errno);
1603 if (status == NSS_STATUS_TRYAGAIN) {
1605 buf = (char *)realloc(buf, buflen);
1611 if (status == NSS_STATUS_NOTFOUND) {
1615 if (status != NSS_STATUS_SUCCESS) {
1622 static int nwrap_module_getgrnam_r(struct nwrap_backend *b,
1623 const char *name, struct group *grdst,
1624 char *buf, size_t buflen, struct group **grdstp)
1628 if (!b->fns->_nss_getgrnam_r) {
1632 ret = b->fns->_nss_getgrnam_r(name, grdst, buf, buflen, &errno);
1634 case NSS_STATUS_SUCCESS:
1636 case NSS_STATUS_NOTFOUND:
1641 case NSS_STATUS_TRYAGAIN:
1654 static struct group *nwrap_module_getgrgid(struct nwrap_backend *b,
1657 static struct group grp;
1659 static int buflen = 1000;
1662 if (!b->fns->_nss_getgrgid_r) {
1667 buf = (char *)malloc(buflen);
1671 status = b->fns->_nss_getgrgid_r(gid, &grp, buf, buflen, &errno);
1672 if (status == NSS_STATUS_TRYAGAIN) {
1674 buf = (char *)realloc(buf, buflen);
1680 if (status == NSS_STATUS_NOTFOUND) {
1684 if (status != NSS_STATUS_SUCCESS) {
1691 static int nwrap_module_getgrgid_r(struct nwrap_backend *b,
1692 gid_t gid, struct group *grdst,
1693 char *buf, size_t buflen, struct group **grdstp)
1697 if (!b->fns->_nss_getgrgid_r) {
1701 ret = b->fns->_nss_getgrgid_r(gid, grdst, buf, buflen, &errno);
1703 case NSS_STATUS_SUCCESS:
1705 case NSS_STATUS_NOTFOUND:
1710 case NSS_STATUS_TRYAGAIN:
1723 static void nwrap_module_setgrent(struct nwrap_backend *b)
1725 if (!b->fns->_nss_setgrent) {
1729 b->fns->_nss_setgrent();
1732 static struct group *nwrap_module_getgrent(struct nwrap_backend *b)
1734 static struct group grp;
1736 static int buflen = 1024;
1739 if (!b->fns->_nss_getgrent_r) {
1744 buf = (char *)malloc(buflen);
1748 status = b->fns->_nss_getgrent_r(&grp, buf, buflen, &errno);
1749 if (status == NSS_STATUS_TRYAGAIN) {
1751 buf = (char *)realloc(buf, buflen);
1757 if (status == NSS_STATUS_NOTFOUND) {
1761 if (status != NSS_STATUS_SUCCESS) {
1768 static int nwrap_module_getgrent_r(struct nwrap_backend *b,
1769 struct group *grdst, char *buf,
1770 size_t buflen, struct group **grdstp)
1774 if (!b->fns->_nss_getgrent_r) {
1778 ret = b->fns->_nss_getgrent_r(grdst, buf, buflen, &errno);
1780 case NSS_STATUS_SUCCESS:
1782 case NSS_STATUS_NOTFOUND:
1787 case NSS_STATUS_TRYAGAIN:
1800 static void nwrap_module_endgrent(struct nwrap_backend *b)
1802 if (!b->fns->_nss_endgrent) {
1806 b->fns->_nss_endgrent();
1813 _PUBLIC_ struct passwd *nwrap_getpwnam(const char *name)
1818 if (!nwrap_enabled()) {
1819 return real_getpwnam(name);
1822 for (i=0; i < nwrap_main_global->num_backends; i++) {
1823 struct nwrap_backend *b = &nwrap_main_global->backends[i];
1824 pwd = b->ops->nw_getpwnam(b, name);
1833 _PUBLIC_ int nwrap_getpwnam_r(const char *name, struct passwd *pwdst,
1834 char *buf, size_t buflen, struct passwd **pwdstp)
1838 if (!nwrap_enabled()) {
1839 return real_getpwnam_r(name, pwdst, buf, buflen, pwdstp);
1842 for (i=0; i < nwrap_main_global->num_backends; i++) {
1843 struct nwrap_backend *b = &nwrap_main_global->backends[i];
1844 ret = b->ops->nw_getpwnam_r(b, name, pwdst, buf, buflen, pwdstp);
1845 if (ret == ENOENT) {
1854 _PUBLIC_ struct passwd *nwrap_getpwuid(uid_t uid)
1859 if (!nwrap_enabled()) {
1860 return real_getpwuid(uid);
1863 for (i=0; i < nwrap_main_global->num_backends; i++) {
1864 struct nwrap_backend *b = &nwrap_main_global->backends[i];
1865 pwd = b->ops->nw_getpwuid(b, uid);
1874 _PUBLIC_ int nwrap_getpwuid_r(uid_t uid, struct passwd *pwdst,
1875 char *buf, size_t buflen, struct passwd **pwdstp)
1879 if (!nwrap_enabled()) {
1880 return real_getpwuid_r(uid, pwdst, buf, buflen, pwdstp);
1883 for (i=0; i < nwrap_main_global->num_backends; i++) {
1884 struct nwrap_backend *b = &nwrap_main_global->backends[i];
1885 ret = b->ops->nw_getpwuid_r(b, uid, pwdst, buf, buflen, pwdstp);
1886 if (ret == ENOENT) {
1895 _PUBLIC_ void nwrap_setpwent(void)
1899 if (!nwrap_enabled()) {
1904 for (i=0; i < nwrap_main_global->num_backends; i++) {
1905 struct nwrap_backend *b = &nwrap_main_global->backends[i];
1906 b->ops->nw_setpwent(b);
1910 _PUBLIC_ struct passwd *nwrap_getpwent(void)
1915 if (!nwrap_enabled()) {
1916 return real_getpwent();
1919 for (i=0; i < nwrap_main_global->num_backends; i++) {
1920 struct nwrap_backend *b = &nwrap_main_global->backends[i];
1921 pwd = b->ops->nw_getpwent(b);
1930 _PUBLIC_ int nwrap_getpwent_r(struct passwd *pwdst, char *buf,
1931 size_t buflen, struct passwd **pwdstp)
1935 if (!nwrap_enabled()) {
1936 #ifdef SOLARIS_GETPWENT_R
1938 pw = real_getpwent_r(pwdst, buf, buflen);
1950 return real_getpwent_r(pwdst, buf, buflen, pwdstp);
1954 for (i=0; i < nwrap_main_global->num_backends; i++) {
1955 struct nwrap_backend *b = &nwrap_main_global->backends[i];
1956 ret = b->ops->nw_getpwent_r(b, pwdst, buf, buflen, pwdstp);
1957 if (ret == ENOENT) {
1966 _PUBLIC_ void nwrap_endpwent(void)
1970 if (!nwrap_enabled()) {
1975 for (i=0; i < nwrap_main_global->num_backends; i++) {
1976 struct nwrap_backend *b = &nwrap_main_global->backends[i];
1977 b->ops->nw_endpwent(b);
1981 _PUBLIC_ int nwrap_initgroups(const char *user, gid_t group)
1985 if (!nwrap_enabled()) {
1986 return real_initgroups(user, group);
1989 for (i=0; i < nwrap_main_global->num_backends; i++) {
1990 struct nwrap_backend *b = &nwrap_main_global->backends[i];
1991 return b->ops->nw_initgroups(b, user, group);
1998 _PUBLIC_ struct group *nwrap_getgrnam(const char *name)
2003 if (!nwrap_enabled()) {
2004 return real_getgrnam(name);
2007 for (i=0; i < nwrap_main_global->num_backends; i++) {
2008 struct nwrap_backend *b = &nwrap_main_global->backends[i];
2009 grp = b->ops->nw_getgrnam(b, name);
2018 _PUBLIC_ int nwrap_getgrnam_r(const char *name, struct group *grdst,
2019 char *buf, size_t buflen, struct group **grdstp)
2023 if (!nwrap_enabled()) {
2024 return real_getgrnam_r(name, grdst, buf, buflen, grdstp);
2027 for (i=0; i < nwrap_main_global->num_backends; i++) {
2028 struct nwrap_backend *b = &nwrap_main_global->backends[i];
2029 ret = b->ops->nw_getgrnam_r(b, name, grdst, buf, buflen, grdstp);
2030 if (ret == ENOENT) {
2039 _PUBLIC_ struct group *nwrap_getgrgid(gid_t gid)
2044 if (!nwrap_enabled()) {
2045 return real_getgrgid(gid);
2048 for (i=0; i < nwrap_main_global->num_backends; i++) {
2049 struct nwrap_backend *b = &nwrap_main_global->backends[i];
2050 grp = b->ops->nw_getgrgid(b, gid);
2059 _PUBLIC_ int nwrap_getgrgid_r(gid_t gid, struct group *grdst,
2060 char *buf, size_t buflen, struct group **grdstp)
2064 if (!nwrap_enabled()) {
2065 return real_getgrgid_r(gid, grdst, buf, buflen, grdstp);
2068 for (i=0; i < nwrap_main_global->num_backends; i++) {
2069 struct nwrap_backend *b = &nwrap_main_global->backends[i];
2070 ret = b->ops->nw_getgrgid_r(b, gid, grdst, buf, buflen, grdstp);
2071 if (ret == ENOENT) {
2080 _PUBLIC_ void nwrap_setgrent(void)
2084 if (!nwrap_enabled()) {
2089 for (i=0; i < nwrap_main_global->num_backends; i++) {
2090 struct nwrap_backend *b = &nwrap_main_global->backends[i];
2091 b->ops->nw_setgrent(b);
2095 _PUBLIC_ struct group *nwrap_getgrent(void)
2100 if (!nwrap_enabled()) {
2101 return real_getgrent();
2104 for (i=0; i < nwrap_main_global->num_backends; i++) {
2105 struct nwrap_backend *b = &nwrap_main_global->backends[i];
2106 grp = b->ops->nw_getgrent(b);
2115 _PUBLIC_ int nwrap_getgrent_r(struct group *grdst, char *buf,
2116 size_t buflen, struct group **grdstp)
2120 if (!nwrap_enabled()) {
2121 #ifdef SOLARIS_GETGRENT_R
2123 gr = real_getgrent_r(grdst, buf, buflen);
2135 return real_getgrent_r(grdst, buf, buflen, grdstp);
2139 for (i=0; i < nwrap_main_global->num_backends; i++) {
2140 struct nwrap_backend *b = &nwrap_main_global->backends[i];
2141 ret = b->ops->nw_getgrent_r(b, grdst, buf, buflen, grdstp);
2142 if (ret == ENOENT) {
2151 _PUBLIC_ void nwrap_endgrent(void)
2155 if (!nwrap_enabled()) {
2160 for (i=0; i < nwrap_main_global->num_backends; i++) {
2161 struct nwrap_backend *b = &nwrap_main_global->backends[i];
2162 b->ops->nw_endgrent(b);
2166 _PUBLIC_ int nwrap_getgrouplist(const char *user, gid_t group, gid_t *groups, int *ngroups)
2171 const char *name_of_group = NULL;
2173 if (!nwrap_enabled()) {
2174 return real_getgrouplist(user, group, groups, ngroups);
2177 NWRAP_DEBUG(("%s: getgrouplist called for %s\n", __location__, user));
2179 groups_tmp = (gid_t *)malloc(count * sizeof(gid_t));
2181 NWRAP_ERROR(("%s:calloc failed\n",__location__));
2186 memcpy(groups_tmp, &group, sizeof(gid_t));
2188 grp = nwrap_getgrgid(group);
2190 name_of_group = grp->gr_name;
2194 while ((grp = nwrap_getgrent()) != NULL) {
2197 NWRAP_VERBOSE(("%s: inspecting %s for group membership\n",
2198 __location__, grp->gr_name));
2200 for (i=0; grp->gr_mem && grp->gr_mem[i] != NULL; i++) {
2202 if ((strcmp(user, grp->gr_mem[i]) == 0) &&
2203 (strcmp(name_of_group, grp->gr_name) != 0)) {
2205 NWRAP_DEBUG(("%s: %s is member of %s\n",
2206 __location__, user, grp->gr_name));
2208 groups_tmp = (gid_t *)realloc(groups_tmp, (count + 1) * sizeof(gid_t));
2210 NWRAP_ERROR(("%s:calloc failed\n",__location__));
2215 memcpy(&groups_tmp[count], &grp->gr_gid, sizeof(gid_t));
2223 NWRAP_VERBOSE(("%s: %s is member of %d groups: %d\n",
2224 __location__, user, *ngroups));
2226 if (*ngroups < count) {
2233 memcpy(groups, groups_tmp, count * sizeof(gid_t));