2 Unix SMB/CIFS implementation.
4 Windows NT Domain nsswitch module
6 Copyright (C) Tim Potter 2000
8 This library is free software; you can redistribute it and/or
9 modify it under the terms of the GNU Lesser General Public
10 License as published by the Free Software Foundation; either
11 version 3 of the License, or (at your option) any later version.
13 This library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Library General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "winbind_client.h"
29 static pthread_mutex_t winbind_nss_mutex
= PTHREAD_MUTEX_INITIALIZER
;
32 /* Maximum number of users to pass back over the unix domain socket
33 per call. This is not a static limit on the total number of users
34 or groups returned in total. */
36 #define MAX_GETPWENT_USERS 250
37 #define MAX_GETGRENT_USERS 250
39 /*************************************************************************
40 ************************************************************************/
43 static const char *nss_err_str(NSS_STATUS ret
)
46 case NSS_STATUS_TRYAGAIN
:
47 return "NSS_STATUS_TRYAGAIN";
48 case NSS_STATUS_SUCCESS
:
49 return "NSS_STATUS_SUCCESS";
50 case NSS_STATUS_NOTFOUND
:
51 return "NSS_STATUS_NOTFOUND";
52 case NSS_STATUS_UNAVAIL
:
53 return "NSS_STATUS_UNAVAIL";
54 #ifdef NSS_STATUS_RETURN
55 case NSS_STATUS_RETURN
:
56 return "NSS_STATUS_RETURN";
59 return "UNKNOWN RETURN CODE!!!!!!!";
64 /* Prototypes from wb_common.c */
66 /* Allocate some space from the nss static buffer. The buffer and buflen
67 are the pointers passed in by the C library to the _nss_ntdom_*
70 static char *get_static(char **buffer
, size_t *buflen
, size_t len
)
74 /* Error check. We return false if things aren't set up right, or
75 there isn't enough buffer space left. */
77 if ((buffer
== NULL
) || (buflen
== NULL
) || (*buflen
< len
)) {
81 /* Return an index into the static buffer */
90 /* I've copied the strtok() replacement function next_token_Xalloc() from
91 lib/util_str.c as I really don't want to have to link in any other
92 objects if I can possibly avoid it. */
94 static bool next_token_alloc(const char **ptr
,
111 /* default to simple separators */
116 /* find the first non sep char */
117 while (*s
&& strchr(sep
,*s
)) {
126 /* When restarting we need to go from here. */
129 /* Work out the length needed. */
130 for (quoted
= false; *s
&&
131 (quoted
|| !strchr(sep
,*s
)); s
++) {
139 /* We started with len = 1 so we have space for the nul. */
140 *pp_buff
= (char *)malloc(len
);
145 /* copy over the token */
148 for (quoted
= false; *s
&&
149 (quoted
|| !strchr(sep
,*s
)); s
++) {
157 *ptr
= (*s
) ? s
+1 : s
;
163 /* Fill a pwent structure from a winbindd_response structure. We use
164 the static data passed to us by libc to put strings and stuff in.
165 Return NSS_STATUS_TRYAGAIN if we run out of memory. */
167 static NSS_STATUS
fill_pwent(struct passwd
*result
,
168 struct winbindd_pw
*pw
,
169 char **buffer
, size_t *buflen
)
174 len
= strlen(pw
->pw_name
) + 1;
176 if ((result
->pw_name
=
177 get_static(buffer
, buflen
, len
)) == NULL
) {
181 return NSS_STATUS_TRYAGAIN
;
184 memcpy(result
->pw_name
, pw
->pw_name
, len
);
187 len
= strlen(pw
->pw_passwd
) + 1;
189 if ((result
->pw_passwd
=
190 get_static(buffer
, buflen
, len
)) == NULL
) {
194 return NSS_STATUS_TRYAGAIN
;
197 memcpy(result
->pw_passwd
, pw
->pw_passwd
, len
);
201 result
->pw_uid
= pw
->pw_uid
;
202 result
->pw_gid
= pw
->pw_gid
;
205 len
= strlen(pw
->pw_gecos
) + 1;
207 if ((result
->pw_gecos
=
208 get_static(buffer
, buflen
, len
)) == NULL
) {
212 return NSS_STATUS_TRYAGAIN
;
215 memcpy(result
->pw_gecos
, pw
->pw_gecos
, len
);
218 len
= strlen(pw
->pw_dir
) + 1;
220 if ((result
->pw_dir
=
221 get_static(buffer
, buflen
, len
)) == NULL
) {
225 return NSS_STATUS_TRYAGAIN
;
228 memcpy(result
->pw_dir
, pw
->pw_dir
, len
);
231 len
= strlen(pw
->pw_shell
) + 1;
233 if ((result
->pw_shell
=
234 get_static(buffer
, buflen
, len
)) == NULL
) {
238 return NSS_STATUS_TRYAGAIN
;
241 memcpy(result
->pw_shell
, pw
->pw_shell
, len
);
243 /* The struct passwd for Solaris has some extra fields which must
244 be initialised or nscd crashes. */
246 #if HAVE_PASSWD_PW_COMMENT
247 result
->pw_comment
= "";
250 #if HAVE_PASSWD_PW_AGE
254 return NSS_STATUS_SUCCESS
;
257 /* Fill a grent structure from a winbindd_response structure. We use
258 the static data passed to us by libc to put strings and stuff in.
259 Return NSS_STATUS_TRYAGAIN if we run out of memory. */
261 static NSS_STATUS
fill_grent(struct group
*result
, struct winbindd_gr
*gr
,
262 const char *gr_mem
, char **buffer
, size_t *buflen
)
270 len
= strlen(gr
->gr_name
) + 1;
272 if ((result
->gr_name
=
273 get_static(buffer
, buflen
, len
)) == NULL
) {
277 return NSS_STATUS_TRYAGAIN
;
280 memcpy(result
->gr_name
, gr
->gr_name
, len
);
283 len
= strlen(gr
->gr_passwd
) + 1;
285 if ((result
->gr_passwd
=
286 get_static(buffer
, buflen
, len
)) == NULL
) {
289 return NSS_STATUS_TRYAGAIN
;
292 memcpy(result
->gr_passwd
, gr
->gr_passwd
, len
);
296 result
->gr_gid
= gr
->gr_gid
;
298 /* Group membership */
304 /* this next value is a pointer to a pointer so let's align it */
306 /* Calculate number of extra bytes needed to align on pointer size boundry */
307 if ((i
= (unsigned long)(*buffer
) % sizeof(char*)) != 0)
308 i
= sizeof(char*) - i
;
310 if ((tst
= get_static(buffer
, buflen
, ((gr
->num_gr_mem
+ 1) *
311 sizeof(char *)+i
))) == NULL
) {
315 return NSS_STATUS_TRYAGAIN
;
317 result
->gr_mem
= (char **)(tst
+ i
);
319 if (gr
->num_gr_mem
== 0) {
323 *(result
->gr_mem
) = NULL
;
324 return NSS_STATUS_SUCCESS
;
327 /* Start looking at extra data */
331 while(next_token_alloc((const char **)&gr_mem
, &name
, ",")) {
332 /* Allocate space for member */
333 len
= strlen(name
) + 1;
335 if (((result
->gr_mem
)[i
] =
336 get_static(buffer
, buflen
, len
)) == NULL
) {
339 return NSS_STATUS_TRYAGAIN
;
341 memcpy((result
->gr_mem
)[i
], name
, len
);
348 (result
->gr_mem
)[i
] = NULL
;
350 return NSS_STATUS_SUCCESS
;
357 static struct winbindd_response getpwent_response
;
359 static int ndx_pw_cache
; /* Current index into pwd cache */
360 static int num_pw_cache
; /* Current size of pwd cache */
362 /* Rewind "file pointer" to start of ntdom password database */
365 _nss_winbind_setpwent(void)
369 fprintf(stderr
, "[%5d]: setpwent\n", getpid());
373 pthread_mutex_lock(&winbind_nss_mutex
);
376 if (num_pw_cache
> 0) {
377 ndx_pw_cache
= num_pw_cache
= 0;
378 winbindd_free_response(&getpwent_response
);
381 ret
= winbindd_request_response(NULL
, WINBINDD_SETPWENT
, NULL
, NULL
);
383 fprintf(stderr
, "[%5d]: setpwent returns %s (%d)\n", getpid(),
384 nss_err_str(ret
), ret
);
388 pthread_mutex_unlock(&winbind_nss_mutex
);
393 /* Close ntdom password database "file pointer" */
396 _nss_winbind_endpwent(void)
400 fprintf(stderr
, "[%5d]: endpwent\n", getpid());
404 pthread_mutex_lock(&winbind_nss_mutex
);
407 if (num_pw_cache
> 0) {
408 ndx_pw_cache
= num_pw_cache
= 0;
409 winbindd_free_response(&getpwent_response
);
412 ret
= winbindd_request_response(NULL
, WINBINDD_ENDPWENT
, NULL
, NULL
);
414 fprintf(stderr
, "[%5d]: endpwent returns %s (%d)\n", getpid(),
415 nss_err_str(ret
), ret
);
419 pthread_mutex_unlock(&winbind_nss_mutex
);
425 /* Fetch the next password entry from ntdom password database */
428 _nss_winbind_getpwent_r(struct passwd
*result
, char *buffer
,
429 size_t buflen
, int *errnop
)
432 struct winbindd_request request
;
433 static int called_again
;
436 fprintf(stderr
, "[%5d]: getpwent\n", getpid());
440 pthread_mutex_lock(&winbind_nss_mutex
);
443 /* Return an entry from the cache if we have one, or if we are
444 called again because we exceeded our static buffer. */
446 if ((ndx_pw_cache
< num_pw_cache
) || called_again
) {
450 /* Else call winbindd to get a bunch of entries */
452 if (num_pw_cache
> 0) {
453 winbindd_free_response(&getpwent_response
);
456 ZERO_STRUCT(request
);
457 ZERO_STRUCT(getpwent_response
);
459 request
.data
.num_entries
= MAX_GETPWENT_USERS
;
461 ret
= winbindd_request_response(NULL
, WINBINDD_GETPWENT
, &request
,
464 if (ret
== NSS_STATUS_SUCCESS
) {
465 struct winbindd_pw
*pw_cache
;
470 num_pw_cache
= getpwent_response
.data
.num_entries
;
472 /* Return a result */
476 pw_cache
= (struct winbindd_pw
*)
477 getpwent_response
.extra_data
.data
;
479 /* Check data is valid */
481 if (pw_cache
== NULL
) {
482 ret
= NSS_STATUS_NOTFOUND
;
486 ret
= fill_pwent(result
, &pw_cache
[ndx_pw_cache
],
489 /* Out of memory - try again */
491 if (ret
== NSS_STATUS_TRYAGAIN
) {
493 *errnop
= errno
= ERANGE
;
498 called_again
= false;
501 /* If we've finished with this lot of results free cache */
503 if (ndx_pw_cache
== num_pw_cache
) {
504 ndx_pw_cache
= num_pw_cache
= 0;
505 winbindd_free_response(&getpwent_response
);
510 fprintf(stderr
, "[%5d]: getpwent returns %s (%d)\n", getpid(),
511 nss_err_str(ret
), ret
);
515 pthread_mutex_unlock(&winbind_nss_mutex
);
520 /* Return passwd struct from uid */
523 _nss_winbind_getpwuid_r(uid_t uid
, struct passwd
*result
, char *buffer
,
524 size_t buflen
, int *errnop
)
527 static struct winbindd_response response
;
528 struct winbindd_request request
;
529 static int keep_response
;
532 fprintf(stderr
, "[%5d]: getpwuid_r %d\n", getpid(), (unsigned int)uid
);
536 pthread_mutex_lock(&winbind_nss_mutex
);
539 /* If our static buffer needs to be expanded we are called again */
540 if (!keep_response
|| uid
!= response
.data
.pw
.pw_uid
) {
542 /* Call for the first time */
544 ZERO_STRUCT(response
);
545 ZERO_STRUCT(request
);
547 request
.data
.uid
= uid
;
549 ret
= winbindd_request_response(NULL
, WINBINDD_GETPWUID
, &request
, &response
);
551 if (ret
== NSS_STATUS_SUCCESS
) {
552 ret
= fill_pwent(result
, &response
.data
.pw
,
555 if (ret
== NSS_STATUS_TRYAGAIN
) {
556 keep_response
= true;
557 *errnop
= errno
= ERANGE
;
564 /* We've been called again */
566 ret
= fill_pwent(result
, &response
.data
.pw
, &buffer
, &buflen
);
568 if (ret
== NSS_STATUS_TRYAGAIN
) {
569 *errnop
= errno
= ERANGE
;
573 keep_response
= false;
577 winbindd_free_response(&response
);
582 fprintf(stderr
, "[%5d]: getpwuid %d returns %s (%d)\n", getpid(),
583 (unsigned int)uid
, nss_err_str(ret
), ret
);
587 pthread_mutex_unlock(&winbind_nss_mutex
);
593 /* Return passwd struct from username */
595 _nss_winbind_getpwnam_r(const char *name
, struct passwd
*result
, char *buffer
,
596 size_t buflen
, int *errnop
)
599 static struct winbindd_response response
;
600 struct winbindd_request request
;
601 static int keep_response
;
604 fprintf(stderr
, "[%5d]: getpwnam_r %s\n", getpid(), name
);
608 pthread_mutex_lock(&winbind_nss_mutex
);
611 /* If our static buffer needs to be expanded we are called again */
613 if (!keep_response
|| strcmp(name
,response
.data
.pw
.pw_name
) != 0) {
615 /* Call for the first time */
617 ZERO_STRUCT(response
);
618 ZERO_STRUCT(request
);
620 strncpy(request
.data
.username
, name
,
621 sizeof(request
.data
.username
) - 1);
622 request
.data
.username
623 [sizeof(request
.data
.username
) - 1] = '\0';
625 ret
= winbindd_request_response(NULL
, WINBINDD_GETPWNAM
, &request
, &response
);
627 if (ret
== NSS_STATUS_SUCCESS
) {
628 ret
= fill_pwent(result
, &response
.data
.pw
, &buffer
,
631 if (ret
== NSS_STATUS_TRYAGAIN
) {
632 keep_response
= true;
633 *errnop
= errno
= ERANGE
;
640 /* We've been called again */
642 ret
= fill_pwent(result
, &response
.data
.pw
, &buffer
, &buflen
);
644 if (ret
== NSS_STATUS_TRYAGAIN
) {
645 keep_response
= true;
646 *errnop
= errno
= ERANGE
;
650 keep_response
= false;
654 winbindd_free_response(&response
);
657 fprintf(stderr
, "[%5d]: getpwnam %s returns %s (%d)\n", getpid(),
658 name
, nss_err_str(ret
), ret
);
662 pthread_mutex_unlock(&winbind_nss_mutex
);
669 * NSS group functions
672 static struct winbindd_response getgrent_response
;
674 static int ndx_gr_cache
; /* Current index into grp cache */
675 static int num_gr_cache
; /* Current size of grp cache */
677 /* Rewind "file pointer" to start of ntdom group database */
680 _nss_winbind_setgrent(void)
684 fprintf(stderr
, "[%5d]: setgrent\n", getpid());
688 pthread_mutex_lock(&winbind_nss_mutex
);
691 if (num_gr_cache
> 0) {
692 ndx_gr_cache
= num_gr_cache
= 0;
693 winbindd_free_response(&getgrent_response
);
696 ret
= winbindd_request_response(NULL
, WINBINDD_SETGRENT
, NULL
, NULL
);
698 fprintf(stderr
, "[%5d]: setgrent returns %s (%d)\n", getpid(),
699 nss_err_str(ret
), ret
);
703 pthread_mutex_unlock(&winbind_nss_mutex
);
709 /* Close "file pointer" for ntdom group database */
712 _nss_winbind_endgrent(void)
716 fprintf(stderr
, "[%5d]: endgrent\n", getpid());
720 pthread_mutex_lock(&winbind_nss_mutex
);
723 if (num_gr_cache
> 0) {
724 ndx_gr_cache
= num_gr_cache
= 0;
725 winbindd_free_response(&getgrent_response
);
728 ret
= winbindd_request_response(NULL
, WINBINDD_ENDGRENT
, NULL
, NULL
);
730 fprintf(stderr
, "[%5d]: endgrent returns %s (%d)\n", getpid(),
731 nss_err_str(ret
), ret
);
735 pthread_mutex_unlock(&winbind_nss_mutex
);
741 /* Get next entry from ntdom group database */
744 winbind_getgrent(enum winbindd_cmd cmd
,
745 struct group
*result
,
746 char *buffer
, size_t buflen
, int *errnop
)
749 static struct winbindd_request request
;
750 static int called_again
;
754 fprintf(stderr
, "[%5d]: getgrent\n", getpid());
758 pthread_mutex_lock(&winbind_nss_mutex
);
761 /* Return an entry from the cache if we have one, or if we are
762 called again because we exceeded our static buffer. */
764 if ((ndx_gr_cache
< num_gr_cache
) || called_again
) {
768 /* Else call winbindd to get a bunch of entries */
770 if (num_gr_cache
> 0) {
771 winbindd_free_response(&getgrent_response
);
774 ZERO_STRUCT(request
);
775 ZERO_STRUCT(getgrent_response
);
777 request
.data
.num_entries
= MAX_GETGRENT_USERS
;
779 ret
= winbindd_request_response(NULL
, cmd
, &request
,
782 if (ret
== NSS_STATUS_SUCCESS
) {
783 struct winbindd_gr
*gr_cache
;
789 num_gr_cache
= getgrent_response
.data
.num_entries
;
791 /* Return a result */
795 gr_cache
= (struct winbindd_gr
*)
796 getgrent_response
.extra_data
.data
;
798 /* Check data is valid */
800 if (gr_cache
== NULL
) {
801 ret
= NSS_STATUS_NOTFOUND
;
805 /* Fill group membership. The offset into the extra data
806 for the group membership is the reported offset plus the
807 size of all the winbindd_gr records returned. */
809 mem_ofs
= gr_cache
[ndx_gr_cache
].gr_mem_ofs
+
810 num_gr_cache
* sizeof(struct winbindd_gr
);
812 ret
= fill_grent(result
, &gr_cache
[ndx_gr_cache
],
813 ((char *)getgrent_response
.extra_data
.data
)+mem_ofs
,
816 /* Out of memory - try again */
818 if (ret
== NSS_STATUS_TRYAGAIN
) {
820 *errnop
= errno
= ERANGE
;
825 called_again
= false;
828 /* If we've finished with this lot of results free cache */
830 if (ndx_gr_cache
== num_gr_cache
) {
831 ndx_gr_cache
= num_gr_cache
= 0;
832 winbindd_free_response(&getgrent_response
);
837 fprintf(stderr
, "[%5d]: getgrent returns %s (%d)\n", getpid(),
838 nss_err_str(ret
), ret
);
842 pthread_mutex_unlock(&winbind_nss_mutex
);
850 _nss_winbind_getgrent_r(struct group
*result
,
851 char *buffer
, size_t buflen
, int *errnop
)
853 return winbind_getgrent(WINBINDD_GETGRENT
, result
, buffer
, buflen
, errnop
);
857 _nss_winbind_getgrlst_r(struct group
*result
,
858 char *buffer
, size_t buflen
, int *errnop
)
860 return winbind_getgrent(WINBINDD_GETGRLST
, result
, buffer
, buflen
, errnop
);
863 /* Return group struct from group name */
866 _nss_winbind_getgrnam_r(const char *name
,
867 struct group
*result
, char *buffer
,
868 size_t buflen
, int *errnop
)
871 static struct winbindd_response response
;
872 struct winbindd_request request
;
873 static int keep_response
;
876 fprintf(stderr
, "[%5d]: getgrnam %s\n", getpid(), name
);
880 pthread_mutex_lock(&winbind_nss_mutex
);
883 /* If our static buffer needs to be expanded we are called again */
884 /* Or if the stored response group name differs from the request. */
886 if (!keep_response
|| strcmp(name
,response
.data
.gr
.gr_name
) != 0) {
888 /* Call for the first time */
890 ZERO_STRUCT(request
);
891 ZERO_STRUCT(response
);
893 strncpy(request
.data
.groupname
, name
,
894 sizeof(request
.data
.groupname
));
895 request
.data
.groupname
896 [sizeof(request
.data
.groupname
) - 1] = '\0';
898 ret
= winbindd_request_response(NULL
, WINBINDD_GETGRNAM
,
899 &request
, &response
);
901 if (ret
== NSS_STATUS_SUCCESS
) {
902 ret
= fill_grent(result
, &response
.data
.gr
,
903 (char *)response
.extra_data
.data
,
906 if (ret
== NSS_STATUS_TRYAGAIN
) {
907 keep_response
= true;
908 *errnop
= errno
= ERANGE
;
915 /* We've been called again */
917 ret
= fill_grent(result
, &response
.data
.gr
,
918 (char *)response
.extra_data
.data
, &buffer
,
921 if (ret
== NSS_STATUS_TRYAGAIN
) {
922 keep_response
= true;
923 *errnop
= errno
= ERANGE
;
927 keep_response
= false;
931 winbindd_free_response(&response
);
934 fprintf(stderr
, "[%5d]: getgrnam %s returns %s (%d)\n", getpid(),
935 name
, nss_err_str(ret
), ret
);
939 pthread_mutex_unlock(&winbind_nss_mutex
);
945 /* Return group struct from gid */
948 _nss_winbind_getgrgid_r(gid_t gid
,
949 struct group
*result
, char *buffer
,
950 size_t buflen
, int *errnop
)
953 static struct winbindd_response response
;
954 struct winbindd_request request
;
955 static int keep_response
;
958 fprintf(stderr
, "[%5d]: getgrgid %d\n", getpid(), gid
);
962 pthread_mutex_lock(&winbind_nss_mutex
);
965 /* If our static buffer needs to be expanded we are called again */
966 /* Or if the stored response group name differs from the request. */
968 if (!keep_response
|| gid
!= response
.data
.gr
.gr_gid
) {
970 /* Call for the first time */
972 ZERO_STRUCT(request
);
973 ZERO_STRUCT(response
);
975 request
.data
.gid
= gid
;
977 ret
= winbindd_request_response(NULL
, WINBINDD_GETGRGID
,
978 &request
, &response
);
980 if (ret
== NSS_STATUS_SUCCESS
) {
982 ret
= fill_grent(result
, &response
.data
.gr
,
983 (char *)response
.extra_data
.data
,
986 if (ret
== NSS_STATUS_TRYAGAIN
) {
987 keep_response
= true;
988 *errnop
= errno
= ERANGE
;
995 /* We've been called again */
997 ret
= fill_grent(result
, &response
.data
.gr
,
998 (char *)response
.extra_data
.data
, &buffer
,
1001 if (ret
== NSS_STATUS_TRYAGAIN
) {
1002 keep_response
= true;
1003 *errnop
= errno
= ERANGE
;
1007 keep_response
= false;
1011 winbindd_free_response(&response
);
1014 fprintf(stderr
, "[%5d]: getgrgid %d returns %s (%d)\n", getpid(),
1015 (unsigned int)gid
, nss_err_str(ret
), ret
);
1019 pthread_mutex_unlock(&winbind_nss_mutex
);
1024 /* Initialise supplementary groups */
1027 _nss_winbind_initgroups_dyn(const char *user
, gid_t group
, long int *start
,
1028 long int *size
, gid_t
**groups
, long int limit
,
1032 struct winbindd_request request
;
1033 struct winbindd_response response
;
1037 fprintf(stderr
, "[%5d]: initgroups %s (%d)\n", getpid(),
1042 pthread_mutex_lock(&winbind_nss_mutex
);
1045 ZERO_STRUCT(request
);
1046 ZERO_STRUCT(response
);
1048 strncpy(request
.data
.username
, user
,
1049 sizeof(request
.data
.username
) - 1);
1051 ret
= winbindd_request_response(NULL
, WINBINDD_GETGROUPS
,
1052 &request
, &response
);
1054 if (ret
== NSS_STATUS_SUCCESS
) {
1055 int num_gids
= response
.data
.num_entries
;
1056 gid_t
*gid_list
= (gid_t
*)response
.extra_data
.data
;
1059 fprintf(stderr
, "[%5d]: initgroups %s: got NSS_STATUS_SUCCESS "
1060 "and %d gids\n", getpid(),
1063 if (gid_list
== NULL
) {
1064 ret
= NSS_STATUS_NOTFOUND
;
1068 /* Copy group list to client */
1070 for (i
= 0; i
< num_gids
; i
++) {
1073 fprintf(stderr
, "[%5d]: initgroups %s (%d): "
1074 "processing gid %d \n", getpid(),
1075 user
, group
, gid_list
[i
]);
1078 /* Skip primary group */
1080 if (gid_list
[i
] == group
) {
1084 /* Skip groups without a mapping */
1085 if (gid_list
[i
] == (uid_t
)-1) {
1089 /* Filled buffer ? If so, resize. */
1091 if (*start
== *size
) {
1095 newsize
= 2 * (*size
);
1097 if (*size
== limit
) {
1100 if (newsize
> limit
) {
1105 newgroups
= (gid_t
*)
1107 newsize
* sizeof(**groups
));
1110 ret
= NSS_STATUS_NOTFOUND
;
1113 *groups
= newgroups
;
1119 (*groups
)[*start
] = gid_list
[i
];
1124 /* Back to your regularly scheduled programming */
1128 fprintf(stderr
, "[%5d]: initgroups %s returns %s (%d)\n", getpid(),
1129 user
, nss_err_str(ret
), ret
);
1133 pthread_mutex_unlock(&winbind_nss_mutex
);