2 * Copyright (c) 2003 Networks Associates Technology, Inc.
5 * This software was developed for the FreeBSD Project by
6 * Jacques A. Vidrine, Safeport Network Services, and Network
7 * Associates Laboratories, the Security Research Division of Network
8 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
9 * ("CBOSS"), as part of the DARPA CHATS research program.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $FreeBSD: src/lib/libc/gen/getpwent.c,v 1.90 2006/04/28 12:03:35 ume Exp $
35 #include "namespace.h"
36 #include <sys/param.h>
39 #include <rpcsvc/yp_prot.h>
40 #include <rpcsvc/ypclnt.h>
42 #include <arpa/inet.h>
51 #include <pthread_np.h>
58 #include "un-namespace.h"
60 #include "libc_private.h"
68 #define CTASSERT(x) _CTASSERT(x, __LINE__)
69 #define _CTASSERT(x, y) __CTASSERT(x, y)
70 #define __CTASSERT(x, y) typedef char __assert_ ## y [(x) ? 1 : -1]
73 /* Counter as stored in /etc/pwd.db */
76 CTASSERT(MAXLOGNAME
> sizeof(uid_t
));
77 CTASSERT(MAXLOGNAME
> sizeof(pwkeynum
));
80 PWD_STORAGE_INITIAL
= 1 << 10, /* 1 KByte */
81 PWD_STORAGE_MAX
= 1 << 20, /* 1 MByte */
87 static const ns_src defaultsrc
[] = {
88 { NSSRC_COMPAT
, NS_SUCCESS
},
92 int __pw_match_entry(const char *, size_t, enum nss_lookup_type
,
94 int __pw_parse_entry(char *, size_t, struct passwd
*, int, int *errnop
);
96 static void pwd_init(struct passwd
*);
103 static struct passwd
*getpw(int (*fn
)(union key
, struct passwd
*, char *,
104 size_t, struct passwd
**), union key
);
105 static int wrap_getpwnam_r(union key
, struct passwd
*, char *,
106 size_t, struct passwd
**);
107 static int wrap_getpwuid_r(union key
, struct passwd
*, char *, size_t,
109 static int wrap_getpwent_r(union key
, struct passwd
*, char *, size_t,
112 static int pwdb_match_entry_v3(char *, size_t, enum nss_lookup_type
,
113 const char *, uid_t
);
114 static int pwdb_parse_entry_v3(char *, size_t, struct passwd
*, int *);
115 static int pwdb_match_entry_v4(char *, size_t, enum nss_lookup_type
,
116 const char *, uid_t
);
117 static int pwdb_parse_entry_v4(char *, size_t, struct passwd
*, int *);
121 int (*match
)(char *, size_t, enum nss_lookup_type
, const char *,
123 int (*parse
)(char *, size_t, struct passwd
*, int *);
124 } pwdb_versions
[] = {
125 { NULL
, NULL
}, /* version 0 */
126 { NULL
, NULL
}, /* version 1 */
127 { NULL
, NULL
}, /* version 2 */
128 { pwdb_match_entry_v3
, pwdb_parse_entry_v3
}, /* version 3 */
129 { pwdb_match_entry_v4
, pwdb_parse_entry_v4
}, /* version 4 */
139 static void files_endstate(void *);
140 NSS_TLS_HANDLING(files
);
141 static DB
*pwdbopen(int *);
142 static void files_endstate(void *);
143 static int files_setpwent(void *, void *, va_list);
144 static int files_passwd(void *, void *, va_list);
151 static void dns_endstate(void *);
152 NSS_TLS_HANDLING(dns
);
153 static int dns_setpwent(void *, void *, va_list);
154 static int dns_passwd(void *, void *, va_list);
160 char domain
[MAXHOSTNAMELEN
];
165 static void nis_endstate(void *);
166 NSS_TLS_HANDLING(nis
);
167 static int nis_setpwent(void *, void *, va_list);
168 static int nis_passwd(void *, void *, va_list);
169 static int nis_map(char *, enum nss_lookup_type
, char *, size_t, int *);
170 static int nis_adjunct(char *, const char *, char *, size_t);
174 struct compat_state
{
180 struct passwd
template;
189 static void compat_endstate(void *);
190 NSS_TLS_HANDLING(compat
);
191 static int compat_setpwent(void *, void *, va_list);
192 static int compat_passwd(void *, void *, va_list);
193 static void compat_clear_template(struct passwd
*);
194 static int compat_set_template(struct passwd
*, struct passwd
*);
195 static int compat_use_template(struct passwd
*, struct passwd
*, char *,
197 static int compat_redispatch(struct compat_state
*, enum nss_lookup_type
,
198 enum nss_lookup_type
, const char *, const char *, uid_t
,
199 struct passwd
*, char *, size_t, int *);
202 static int pwd_id_func(char *, size_t *, va_list ap
, void *);
203 static int pwd_marshal_func(char *, size_t *, void *, va_list, void *);
204 static int pwd_unmarshal_func(char *, size_t, void *, va_list, void *);
207 pwd_id_func(char *buffer
, size_t *buffer_size
, va_list ap
, void *cache_mdata
)
211 size_t size
, desired_size
;
212 int res
= NS_UNAVAIL
;
213 enum nss_lookup_type lookup_type
;
215 lookup_type
= (enum nss_lookup_type
)cache_mdata
;
216 switch (lookup_type
) {
218 name
= va_arg(ap
, char *);
220 desired_size
= sizeof(enum nss_lookup_type
) + size
+ 1;
221 if (desired_size
> *buffer_size
) {
226 memcpy(buffer
, &lookup_type
, sizeof(enum nss_lookup_type
));
227 memcpy(buffer
+ sizeof(enum nss_lookup_type
), name
, size
+ 1);
232 uid
= va_arg(ap
, uid_t
);
233 desired_size
= sizeof(enum nss_lookup_type
) + sizeof(uid_t
);
234 if (desired_size
> *buffer_size
) {
239 memcpy(buffer
, &lookup_type
, sizeof(enum nss_lookup_type
));
240 memcpy(buffer
+ sizeof(enum nss_lookup_type
), &uid
,
246 /* should be unreachable */
251 *buffer_size
= desired_size
;
256 pwd_marshal_func(char *buffer
, size_t *buffer_size
, void *retval __unused
,
257 va_list ap
, void *cache_mdata
)
262 char *orig_buf __unused
;
263 size_t orig_buf_size __unused
;
265 struct passwd new_pwd
;
266 size_t desired_size
, size
;
269 switch ((enum nss_lookup_type
)cache_mdata
) {
271 name
= va_arg(ap
, char *);
274 uid
= va_arg(ap
, uid_t
);
279 /* should be unreachable */
283 pwd
= va_arg(ap
, struct passwd
*);
284 orig_buf
= va_arg(ap
, char *);
285 orig_buf_size
= va_arg(ap
, size_t);
287 desired_size
= sizeof(struct passwd
) + sizeof(char *) +
288 strlen(pwd
->pw_name
) + 1;
289 if (pwd
->pw_passwd
!= NULL
)
290 desired_size
+= strlen(pwd
->pw_passwd
) + 1;
291 if (pwd
->pw_class
!= NULL
)
292 desired_size
+= strlen(pwd
->pw_class
) + 1;
293 if (pwd
->pw_gecos
!= NULL
)
294 desired_size
+= strlen(pwd
->pw_gecos
) + 1;
295 if (pwd
->pw_dir
!= NULL
)
296 desired_size
+= strlen(pwd
->pw_dir
) + 1;
297 if (pwd
->pw_shell
!= NULL
)
298 desired_size
+= strlen(pwd
->pw_shell
) + 1;
300 if (*buffer_size
< desired_size
) {
301 /* this assignment is here for future use */
302 *buffer_size
= desired_size
;
306 memcpy(&new_pwd
, pwd
, sizeof(struct passwd
));
307 memset(buffer
, 0, desired_size
);
309 *buffer_size
= desired_size
;
310 p
= buffer
+ sizeof(struct passwd
) + sizeof(char *);
311 memcpy(buffer
+ sizeof(struct passwd
), &p
, sizeof(char *));
313 if (new_pwd
.pw_name
!= NULL
) {
314 size
= strlen(new_pwd
.pw_name
);
315 memcpy(p
, new_pwd
.pw_name
, size
);
320 if (new_pwd
.pw_passwd
!= NULL
) {
321 size
= strlen(new_pwd
.pw_passwd
);
322 memcpy(p
, new_pwd
.pw_passwd
, size
);
323 new_pwd
.pw_passwd
= p
;
327 if (new_pwd
.pw_class
!= NULL
) {
328 size
= strlen(new_pwd
.pw_class
);
329 memcpy(p
, new_pwd
.pw_class
, size
);
330 new_pwd
.pw_class
= p
;
334 if (new_pwd
.pw_gecos
!= NULL
) {
335 size
= strlen(new_pwd
.pw_gecos
);
336 memcpy(p
, new_pwd
.pw_gecos
, size
);
337 new_pwd
.pw_gecos
= p
;
341 if (new_pwd
.pw_dir
!= NULL
) {
342 size
= strlen(new_pwd
.pw_dir
);
343 memcpy(p
, new_pwd
.pw_dir
, size
);
348 if (new_pwd
.pw_shell
!= NULL
) {
349 size
= strlen(new_pwd
.pw_shell
);
350 memcpy(p
, new_pwd
.pw_shell
, size
);
351 new_pwd
.pw_shell
= p
;
355 memcpy(buffer
, &new_pwd
, sizeof(struct passwd
));
360 pwd_unmarshal_func(char *buffer
, size_t buffer_size
, void *retval
, va_list ap
,
367 size_t orig_buf_size
;
372 switch ((enum nss_lookup_type
)cache_mdata
) {
374 name
= va_arg(ap
, char *);
377 uid
= va_arg(ap
, uid_t
);
382 /* should be unreachable */
386 pwd
= va_arg(ap
, struct passwd
*);
387 orig_buf
= va_arg(ap
, char *);
388 orig_buf_size
= va_arg(ap
, size_t);
389 ret_errno
= va_arg(ap
, int *);
392 buffer_size
- sizeof(struct passwd
) - sizeof(char *)) {
397 memcpy(pwd
, buffer
, sizeof(struct passwd
));
398 memcpy(&p
, buffer
+ sizeof(struct passwd
), sizeof(char *));
399 memcpy(orig_buf
, buffer
+ sizeof(struct passwd
) + sizeof(char *),
400 buffer_size
- sizeof(struct passwd
) - sizeof(char *));
402 NS_APPLY_OFFSET(pwd
->pw_name
, orig_buf
, p
, char *);
403 NS_APPLY_OFFSET(pwd
->pw_passwd
, orig_buf
, p
, char *);
404 NS_APPLY_OFFSET(pwd
->pw_class
, orig_buf
, p
, char *);
405 NS_APPLY_OFFSET(pwd
->pw_gecos
, orig_buf
, p
, char *);
406 NS_APPLY_OFFSET(pwd
->pw_dir
, orig_buf
, p
, char *);
407 NS_APPLY_OFFSET(pwd
->pw_shell
, orig_buf
, p
, char *);
410 *((struct passwd
**)retval
) = pwd
;
415 NSS_MP_CACHE_HANDLING(passwd
);
416 #endif /* NS_CACHING */
422 static const nss_cache_info cache_info
= NS_MP_CACHE_INFO_INITIALIZER(
423 passwd
, (void *)nss_lt_all
,
427 static const ns_dtab dtab
[] = {
428 { NSSRC_FILES
, files_setpwent
, (void *)SETPWENT
},
430 { NSSRC_DNS
, dns_setpwent
, (void *)SETPWENT
},
433 { NSSRC_NIS
, nis_setpwent
, (void *)SETPWENT
},
435 { NSSRC_COMPAT
, compat_setpwent
, (void *)SETPWENT
},
437 NS_CACHE_CB(&cache_info
)
441 _nsdispatch(NULL
, dtab
, NSDB_PASSWD
, "setpwent", defaultsrc
, 0);
446 setpassent(int stayopen
)
449 static const nss_cache_info cache_info
= NS_MP_CACHE_INFO_INITIALIZER(
450 passwd
, (void *)nss_lt_all
,
454 static const ns_dtab dtab
[] = {
455 { NSSRC_FILES
, files_setpwent
, (void *)SETPWENT
},
457 { NSSRC_DNS
, dns_setpwent
, (void *)SETPWENT
},
460 { NSSRC_NIS
, nis_setpwent
, (void *)SETPWENT
},
462 { NSSRC_COMPAT
, compat_setpwent
, (void *)SETPWENT
},
464 NS_CACHE_CB(&cache_info
)
468 _nsdispatch(NULL
, dtab
, NSDB_PASSWD
, "setpwent", defaultsrc
, stayopen
);
477 static const nss_cache_info cache_info
= NS_MP_CACHE_INFO_INITIALIZER(
478 passwd
, (void *)nss_lt_all
,
482 static const ns_dtab dtab
[] = {
483 { NSSRC_FILES
, files_setpwent
, (void *)ENDPWENT
},
485 { NSSRC_DNS
, dns_setpwent
, (void *)ENDPWENT
},
488 { NSSRC_NIS
, nis_setpwent
, (void *)ENDPWENT
},
490 { NSSRC_COMPAT
, compat_setpwent
, (void *)ENDPWENT
},
492 NS_CACHE_CB(&cache_info
)
496 _nsdispatch(NULL
, dtab
, NSDB_PASSWD
, "endpwent", defaultsrc
);
501 getpwent_r(struct passwd
*pwd
, char *buffer
, size_t bufsize
,
502 struct passwd
**result
)
505 static const nss_cache_info cache_info
= NS_MP_CACHE_INFO_INITIALIZER(
506 passwd
, (void *)nss_lt_all
,
507 pwd_marshal_func
, pwd_unmarshal_func
);
510 static const ns_dtab dtab
[] = {
511 { NSSRC_FILES
, files_passwd
, (void *)nss_lt_all
},
513 { NSSRC_DNS
, dns_passwd
, (void *)nss_lt_all
},
516 { NSSRC_NIS
, nis_passwd
, (void *)nss_lt_all
},
518 { NSSRC_COMPAT
, compat_passwd
, (void *)nss_lt_all
},
520 NS_CACHE_CB(&cache_info
)
529 rv
= _nsdispatch(result
, dtab
, NSDB_PASSWD
, "getpwent_r", defaultsrc
,
530 pwd
, buffer
, bufsize
, &ret_errno
);
531 if (rv
== NS_SUCCESS
)
539 getpwnam_r(const char *name
, struct passwd
*pwd
, char *buffer
, size_t bufsize
,
540 struct passwd
**result
)
543 static const nss_cache_info cache_info
=
544 NS_COMMON_CACHE_INFO_INITIALIZER(
545 passwd
, (void *)nss_lt_name
,
546 pwd_id_func
, pwd_marshal_func
, pwd_unmarshal_func
);
549 static const ns_dtab dtab
[] = {
550 { NSSRC_FILES
, files_passwd
, (void *)nss_lt_name
},
552 { NSSRC_DNS
, dns_passwd
, (void *)nss_lt_name
},
555 { NSSRC_NIS
, nis_passwd
, (void *)nss_lt_name
},
557 { NSSRC_COMPAT
, compat_passwd
, (void *)nss_lt_name
},
559 NS_CACHE_CB(&cache_info
)
568 rv
= _nsdispatch(result
, dtab
, NSDB_PASSWD
, "getpwnam_r", defaultsrc
,
569 name
, pwd
, buffer
, bufsize
, &ret_errno
);
570 if (rv
== NS_SUCCESS
)
578 getpwuid_r(uid_t uid
, struct passwd
*pwd
, char *buffer
, size_t bufsize
,
579 struct passwd
**result
)
582 static const nss_cache_info cache_info
=
583 NS_COMMON_CACHE_INFO_INITIALIZER(
584 passwd
, (void *)nss_lt_id
,
585 pwd_id_func
, pwd_marshal_func
, pwd_unmarshal_func
);
588 static const ns_dtab dtab
[] = {
589 { NSSRC_FILES
, files_passwd
, (void *)nss_lt_id
},
591 { NSSRC_DNS
, dns_passwd
, (void *)nss_lt_id
},
594 { NSSRC_NIS
, nis_passwd
, (void *)nss_lt_id
},
596 { NSSRC_COMPAT
, compat_passwd
, (void *)nss_lt_id
},
598 NS_CACHE_CB(&cache_info
)
607 rv
= _nsdispatch(result
, dtab
, NSDB_PASSWD
, "getpwuid_r", defaultsrc
,
608 uid
, pwd
, buffer
, bufsize
, &ret_errno
);
609 if (rv
== NS_SUCCESS
)
617 pwd_init(struct passwd
*pwd
)
619 static char nul
[] = "";
621 memset(pwd
, 0, sizeof(*pwd
));
622 pwd
->pw_uid
= (uid_t
)-1; /* Considered least likely to lead to */
623 pwd
->pw_gid
= (gid_t
)-1; /* a security issue. */
625 pwd
->pw_passwd
= nul
;
633 static struct passwd pwd
;
634 static char *pwd_storage
;
635 static size_t pwd_storage_size
;
638 static struct passwd
*
639 getpw(int (*fn
)(union key
, struct passwd
*, char *, size_t, struct passwd
**),
645 if (pwd_storage
== NULL
) {
646 pwd_storage
= malloc(PWD_STORAGE_INITIAL
);
647 if (pwd_storage
== NULL
)
649 pwd_storage_size
= PWD_STORAGE_INITIAL
;
652 rv
= fn(key
, &pwd
, pwd_storage
, pwd_storage_size
, &res
);
653 if (res
== NULL
&& rv
== ERANGE
) {
655 if ((pwd_storage_size
<< 1) > PWD_STORAGE_MAX
) {
660 pwd_storage_size
<<= 1;
661 pwd_storage
= malloc(pwd_storage_size
);
662 if (pwd_storage
== NULL
)
665 } while (res
== NULL
&& rv
== ERANGE
);
673 wrap_getpwnam_r(union key key
, struct passwd
*pwd
, char *buffer
,
674 size_t bufsize
, struct passwd
**res
)
676 return (getpwnam_r(key
.name
, pwd
, buffer
, bufsize
, res
));
681 wrap_getpwuid_r(union key key
, struct passwd
*pwd
, char *buffer
,
682 size_t bufsize
, struct passwd
**res
)
684 return (getpwuid_r(key
.uid
, pwd
, buffer
, bufsize
, res
));
689 wrap_getpwent_r(union key key __unused
, struct passwd
*pwd
, char *buffer
,
690 size_t bufsize
, struct passwd
**res
)
692 return (getpwent_r(pwd
, buffer
, bufsize
, res
));
697 getpwnam(const char *name
)
702 return (getpw(wrap_getpwnam_r
, key
));
712 return (getpw(wrap_getpwuid_r
, key
));
721 key
.uid
= 0; /* not used */
722 return (getpw(wrap_getpwent_r
, key
));
730 pwdbopen(int *version
)
736 if (geteuid() != 0 ||
737 (res
= dbopen(_PATH_SMP_DB
, O_RDONLY
, 0, DB_HASH
, NULL
)) == NULL
)
738 res
= dbopen(_PATH_MP_DB
, O_RDONLY
, 0, DB_HASH
, NULL
);
741 key
.data
= _PWD_VERSION_KEY
;
742 key
.size
= strlen(_PWD_VERSION_KEY
);
743 rv
= res
->get(res
, &key
, &entry
, 0);
745 *version
= *(unsigned char *)entry
.data
;
748 if (*version
< 3 || *version
>= NELEM(pwdb_versions
)) {
749 syslog(LOG_CRIT
, "Unsupported password database version %d",
759 files_endstate(void *p
)
765 db
= ((struct files_state
*)p
)->db
;
773 files_setpwent(void *retval __unused
, void *mdata
, va_list ap
)
775 struct files_state
*st
;
778 rv
= files_getstate(&st
);
781 switch ((enum constants
)mdata
) {
783 stayopen
= va_arg(ap
, int);
786 st
->db
= pwdbopen(&st
->version
);
787 st
->stayopen
= stayopen
;
790 if (st
->db
!= NULL
) {
791 st
->db
->close(st
->db
);
803 files_passwd(void *retval
, void *mdata
, va_list ap
)
805 char keybuf
[MAXLOGNAME
+ 1];
807 struct files_state
*st
;
808 enum nss_lookup_type how
;
812 size_t bufsize
, namesize
;
815 int rv
, stayopen
, *errnop
;
819 how
= (enum nss_lookup_type
)mdata
;
822 name
= va_arg(ap
, const char *);
823 keybuf
[0] = _PW_KEYBYNAME
;
826 uid
= va_arg(ap
, uid_t
);
827 keybuf
[0] = _PW_KEYBYUID
;
830 keybuf
[0] = _PW_KEYBYNUM
;
836 pwd
= va_arg(ap
, struct passwd
*);
837 buffer
= va_arg(ap
, char *);
838 bufsize
= va_arg(ap
, size_t);
839 errnop
= va_arg(ap
, int *);
840 *errnop
= files_getstate(&st
);
843 if (how
== nss_lt_all
&& st
->keynum
< 0) {
847 if (st
->db
== NULL
&&
848 (st
->db
= pwdbopen(&st
->version
)) == NULL
) {
853 if (how
== nss_lt_all
)
856 stayopen
= st
->stayopen
;
861 /* MAXLOGNAME includes NUL byte, but we do not
862 * include the NUL byte in the key.
864 namesize
= strlcpy(&keybuf
[1], name
, sizeof(keybuf
)-1);
865 if (namesize
>= sizeof(keybuf
)-1) {
870 key
.size
= namesize
+ 1;
873 if (st
->version
< _PWD_CURRENT_VERSION
) {
874 memcpy(&keybuf
[1], &uid
, sizeof(uid
));
875 key
.size
= sizeof(uid
) + 1;
878 memcpy(&keybuf
[1], &store
, sizeof(store
));
879 key
.size
= sizeof(store
) + 1;
884 if (st
->version
< _PWD_CURRENT_VERSION
) {
885 memcpy(&keybuf
[1], &st
->keynum
,
887 key
.size
= sizeof(st
->keynum
) + 1;
889 store
= htonl(st
->keynum
);
890 memcpy(&keybuf
[1], &store
, sizeof(store
));
891 key
.size
= sizeof(store
) + 1;
895 keybuf
[0] = _PW_VERSIONED(keybuf
[0], st
->version
);
896 rv
= st
->db
->get(st
->db
, &key
, &entry
, 0);
897 if (rv
< 0 || rv
> 1) { /* should never return > 1 */
901 } else if (rv
== 1) {
902 if (how
== nss_lt_all
)
907 rv
= pwdb_versions
[st
->version
].match(entry
.data
, entry
.size
,
909 if (rv
!= NS_SUCCESS
)
911 if (entry
.size
> bufsize
) {
916 memcpy(buffer
, entry
.data
, entry
.size
);
917 rv
= pwdb_versions
[st
->version
].parse(buffer
, entry
.size
, pwd
,
919 } while (how
== nss_lt_all
&& !(rv
& NS_TERMINATE
));
921 if (!stayopen
&& st
->db
!= NULL
) {
922 st
->db
->close(st
->db
);
925 if (rv
== NS_SUCCESS
) {
926 pwd
->pw_fields
&= ~_PWF_SOURCE
;
927 pwd
->pw_fields
|= _PWF_FILES
;
929 *(struct passwd
**)retval
= pwd
;
936 pwdb_match_entry_v3(char *entry
, size_t entrysize
, enum nss_lookup_type how
,
937 const char *name
, uid_t uid
)
942 eom
= &entry
[entrysize
];
943 for (p
= entry
; p
< eom
; p
++)
947 return (NS_NOTFOUND
);
948 if (how
== nss_lt_all
)
950 if (how
== nss_lt_name
)
951 return (strcmp(name
, entry
) == 0 ? NS_SUCCESS
: NS_NOTFOUND
);
952 for (p
++; p
< eom
; p
++)
955 if (*p
!= '\0' || (++p
) + sizeof(uid
) >= eom
)
956 return (NS_NOTFOUND
);
957 memcpy(&uid2
, p
, sizeof(uid2
));
958 return (uid
== uid2
? NS_SUCCESS
: NS_NOTFOUND
);
963 pwdb_parse_entry_v3(char *buffer
, size_t bufsize
, struct passwd
*pwd
,
964 int *errnop __unused
)
967 int32_t pw_change
, pw_expire
;
969 /* THIS CODE MUST MATCH THAT IN pwd_mkdb. */
971 eom
= &buffer
[bufsize
];
972 #define STRING(field) do { \
974 while (p < eom && *p != '\0') \
977 return (NS_NOTFOUND); \
980 #define SCALAR(field) do { \
981 if (p + sizeof(field) > eom) \
982 return (NS_NOTFOUND); \
983 memcpy(&(field), p, sizeof(field)); \
984 p += sizeof(field); \
986 STRING(pwd
->pw_name
);
987 STRING(pwd
->pw_passwd
);
991 STRING(pwd
->pw_class
);
992 STRING(pwd
->pw_gecos
);
994 STRING(pwd
->pw_shell
);
996 SCALAR(pwd
->pw_fields
);
999 pwd
->pw_change
= pw_change
;
1000 pwd
->pw_expire
= pw_expire
;
1001 return (NS_SUCCESS
);
1006 pwdb_match_entry_v4(char *entry
, size_t entrysize
, enum nss_lookup_type how
,
1007 const char *name
, uid_t uid
)
1009 const char *p
, *eom
;
1012 eom
= &entry
[entrysize
];
1013 for (p
= entry
; p
< eom
; p
++)
1017 return (NS_NOTFOUND
);
1018 if (how
== nss_lt_all
)
1019 return (NS_SUCCESS
);
1020 if (how
== nss_lt_name
)
1021 return (strcmp(name
, entry
) == 0 ? NS_SUCCESS
: NS_NOTFOUND
);
1022 for (p
++; p
< eom
; p
++)
1025 if (*p
!= '\0' || (++p
) + sizeof(uid
) >= eom
)
1026 return (NS_NOTFOUND
);
1027 memcpy(&uid2
, p
, sizeof(uid2
));
1029 return (uid
== (uid_t
)uid2
? NS_SUCCESS
: NS_NOTFOUND
);
1034 pwdb_parse_entry_v4(char *buffer
, size_t bufsize
, struct passwd
*pwd
,
1035 int *errnop __unused
)
1040 /* THIS CODE MUST MATCH THAT IN pwd_mkdb. */
1042 eom
= &buffer
[bufsize
];
1043 #define STRING(field) do { \
1045 while (p < eom && *p != '\0') \
1048 return (NS_NOTFOUND); \
1051 #define SCALAR(field) do { \
1052 if (p + sizeof(n) > eom) \
1053 return (NS_NOTFOUND); \
1054 memcpy(&n, p, sizeof(n)); \
1055 (field) = ntohl(n); \
1058 STRING(pwd
->pw_name
);
1059 STRING(pwd
->pw_passwd
);
1060 SCALAR(pwd
->pw_uid
);
1061 SCALAR(pwd
->pw_gid
);
1062 SCALAR(pwd
->pw_change
);
1063 STRING(pwd
->pw_class
);
1064 STRING(pwd
->pw_gecos
);
1065 STRING(pwd
->pw_dir
);
1066 STRING(pwd
->pw_shell
);
1067 SCALAR(pwd
->pw_expire
);
1068 SCALAR(pwd
->pw_fields
);
1071 return (NS_SUCCESS
);
1080 dns_endstate(void *p
)
1087 dns_setpwent(void *retval
, void *mdata
, va_list ap
)
1089 struct dns_state
*st
;
1092 rv
= dns_getstate(&st
);
1094 return (NS_UNAVAIL
);
1096 return (NS_UNAVAIL
);
1101 dns_passwd(void *retval
, void *mdata
, va_list ap
)
1103 char buf
[HESIOD_NAME_MAX
];
1104 struct dns_state
*st
;
1106 const char *name
, *label
;
1108 char *buffer
, **hes
;
1109 size_t bufsize
, linesize
;
1111 enum nss_lookup_type how
;
1118 how
= (enum nss_lookup_type
)mdata
;
1121 name
= va_arg(ap
, const char *);
1124 uid
= va_arg(ap
, uid_t
);
1129 pwd
= va_arg(ap
, struct passwd
*);
1130 buffer
= va_arg(ap
, char *);
1131 bufsize
= va_arg(ap
, size_t);
1132 errnop
= va_arg(ap
, int *);
1133 *errnop
= dns_getstate(&st
);
1135 return (NS_UNAVAIL
);
1136 if (hesiod_init(&ctx
) != 0) {
1148 if (snprintf(buf
, sizeof(buf
), "%lu",
1149 (unsigned long)uid
) >= sizeof(buf
))
1154 if (st
->counter
< 0)
1156 if (snprintf(buf
, sizeof(buf
), "passwd-%ld",
1157 st
->counter
++) >= sizeof(buf
))
1162 hes
= hesiod_resolve(ctx
, label
,
1163 how
== nss_lt_id
? "uid" : "passwd");
1165 if (how
== nss_lt_all
)
1167 if (errno
!= ENOENT
)
1171 rv
= __pw_match_entry(hes
[0], strlen(hes
[0]), how
, name
, uid
);
1172 if (rv
!= NS_SUCCESS
) {
1173 hesiod_free_list(ctx
, hes
);
1177 linesize
= strlcpy(buffer
, hes
[0], bufsize
);
1178 if (linesize
>= bufsize
) {
1183 hesiod_free_list(ctx
, hes
);
1185 rv
= __pw_parse_entry(buffer
, bufsize
, pwd
, 0, errnop
);
1186 } while (how
== nss_lt_all
&& !(rv
& NS_TERMINATE
));
1189 hesiod_free_list(ctx
, hes
);
1192 if (rv
== NS_SUCCESS
) {
1193 pwd
->pw_fields
&= ~_PWF_SOURCE
;
1194 pwd
->pw_fields
|= _PWF_HESIOD
;
1196 *(struct passwd
**)retval
= pwd
;
1208 nis_endstate(void *p
)
1210 free(((struct nis_state
*)p
)->key
);
1215 * Test for the presence of special FreeBSD-specific master.passwd.by*
1216 * maps. We do this using yp_order(). If it fails, then either the server
1217 * doesn't have the map, or the YPPROC_ORDER procedure isn't supported by
1218 * the server (Sun NIS+ servers in YP compat mode behave this way). If
1219 * the master.passwd.by* maps don't exist, then let the lookup routine try
1220 * the regular passwd.by* maps instead. If the lookup routine fails, it
1221 * can return an error as needed.
1224 nis_map(char *domain
, enum nss_lookup_type how
, char *buffer
, size_t bufsize
,
1230 if (geteuid() == 0) {
1231 if (snprintf(buffer
, bufsize
, "master.passwd.by%s",
1232 (how
== nss_lt_id
) ? "uid" : "name") >= bufsize
)
1233 return (NS_UNAVAIL
);
1234 rv
= yp_order(domain
, buffer
, &order
);
1237 return (NS_SUCCESS
);
1241 if (snprintf(buffer
, bufsize
, "passwd.by%s",
1242 (how
== nss_lt_id
) ? "uid" : "name") >= bufsize
)
1243 return (NS_UNAVAIL
);
1245 return (NS_SUCCESS
);
1250 nis_adjunct(char *domain
, const char *name
, char *buffer
, size_t bufsize
)
1253 char *result
, *p
, *q
, *eor
;
1257 rv
= yp_match(domain
, "passwd.adjunct.byname", name
, strlen(name
),
1258 &result
, &resultlen
);
1262 eor
= &result
[resultlen
];
1263 p
= memchr(result
, ':', eor
- result
);
1264 if (p
!= NULL
&& ++p
< eor
&&
1265 (q
= memchr(p
, ':', eor
- p
)) != NULL
) {
1266 if (q
- p
>= bufsize
)
1269 memcpy(buffer
, p
, q
- p
);
1270 buffer
[q
- p
] ='\0';
1281 nis_setpwent(void *retval __unused
, void *mdata __unused
, va_list ap __unused
)
1283 struct nis_state
*st
;
1286 rv
= nis_getstate(&st
);
1288 return (NS_UNAVAIL
);
1292 return (NS_UNAVAIL
);
1297 nis_passwd(void *retval
, void *mdata
, va_list ap
)
1300 struct nis_state
*st
;
1303 char *buffer
, *key
, *result
;
1306 enum nss_lookup_type how
;
1307 int *errnop
, keylen
, resultlen
, rv
, master
;
1311 how
= (enum nss_lookup_type
)mdata
;
1314 name
= va_arg(ap
, const char *);
1317 uid
= va_arg(ap
, uid_t
);
1322 pwd
= va_arg(ap
, struct passwd
*);
1323 buffer
= va_arg(ap
, char *);
1324 bufsize
= va_arg(ap
, size_t);
1325 errnop
= va_arg(ap
, int *);
1326 *errnop
= nis_getstate(&st
);
1328 return (NS_UNAVAIL
);
1329 if (st
->domain
[0] == '\0') {
1330 if (getdomainname(st
->domain
, sizeof(st
->domain
)) != 0) {
1332 return (NS_UNAVAIL
);
1335 rv
= nis_map(st
->domain
, how
, map
, sizeof(map
), &master
);
1336 if (rv
!= NS_SUCCESS
)
1343 if (strlcpy(buffer
, name
, bufsize
) >= bufsize
)
1347 if (snprintf(buffer
, bufsize
, "%lu",
1348 (unsigned long)uid
) >= bufsize
)
1357 if (how
== nss_lt_all
) {
1358 if (st
->key
== NULL
)
1359 rv
= yp_first(st
->domain
, map
, &st
->key
,
1360 &st
->keylen
, &result
, &resultlen
);
1363 keylen
= st
->keylen
;
1365 rv
= yp_next(st
->domain
, map
, key
, keylen
,
1366 &st
->key
, &st
->keylen
, &result
,
1374 if (rv
== YPERR_NOMORE
)
1381 rv
= yp_match(st
->domain
, map
, buffer
, strlen(buffer
),
1382 &result
, &resultlen
);
1383 if (rv
== YPERR_KEY
) {
1386 } else if (rv
!= 0) {
1392 if (resultlen
>= bufsize
)
1394 memcpy(buffer
, result
, resultlen
);
1395 buffer
[resultlen
] = '\0';
1397 rv
= __pw_match_entry(buffer
, resultlen
, how
, name
, uid
);
1398 if (rv
== NS_SUCCESS
)
1399 rv
= __pw_parse_entry(buffer
, resultlen
, pwd
, master
,
1401 } while (how
== nss_lt_all
&& !(rv
& NS_TERMINATE
));
1403 if (rv
== NS_SUCCESS
) {
1404 if (strstr(pwd
->pw_passwd
, "##") != NULL
) {
1405 rv
= nis_adjunct(st
->domain
, pwd
->pw_name
,
1406 &buffer
[resultlen
+1], bufsize
-resultlen
-1);
1410 pwd
->pw_passwd
= &buffer
[resultlen
+1];
1412 pwd
->pw_fields
&= ~_PWF_SOURCE
;
1413 pwd
->pw_fields
|= _PWF_NIS
;
1415 *(struct passwd
**)retval
= pwd
;
1430 compat_clear_template(struct passwd
*template)
1433 free(template->pw_passwd
);
1434 free(template->pw_gecos
);
1435 free(template->pw_dir
);
1436 free(template->pw_shell
);
1437 memset(template, 0, sizeof(*template));
1442 compat_set_template(struct passwd
*src
, struct passwd
*template)
1445 compat_clear_template(template);
1446 #ifdef PW_OVERRIDE_PASSWD
1447 if ((src
->pw_fields
& _PWF_PASSWD
) &&
1448 (template->pw_passwd
= strdup(src
->pw_passwd
)) == NULL
)
1451 if (src
->pw_fields
& _PWF_UID
)
1452 template->pw_uid
= src
->pw_uid
;
1453 if (src
->pw_fields
& _PWF_GID
)
1454 template->pw_gid
= src
->pw_gid
;
1455 if ((src
->pw_fields
& _PWF_GECOS
) &&
1456 (template->pw_gecos
= strdup(src
->pw_gecos
)) == NULL
)
1458 if ((src
->pw_fields
& _PWF_DIR
) &&
1459 (template->pw_dir
= strdup(src
->pw_dir
)) == NULL
)
1461 if ((src
->pw_fields
& _PWF_SHELL
) &&
1462 (template->pw_shell
= strdup(src
->pw_shell
)) == NULL
)
1464 template->pw_fields
= src
->pw_fields
;
1467 syslog(LOG_ERR
, "getpwent memory allocation failure");
1473 compat_use_template(struct passwd
*pwd
, struct passwd
*template, char *buffer
,
1477 char *copy
, *p
, *q
, *eob
;
1480 /* We cannot know the layout of the password fields in `buffer',
1481 * so we have to copy everything.
1483 if (template->pw_fields
== 0) /* nothing to fill-in */
1486 n
+= pwd
->pw_name
!= NULL
? strlen(pwd
->pw_name
) + 1 : 0;
1487 n
+= pwd
->pw_passwd
!= NULL
? strlen(pwd
->pw_passwd
) + 1 : 0;
1488 n
+= pwd
->pw_class
!= NULL
? strlen(pwd
->pw_class
) + 1 : 0;
1489 n
+= pwd
->pw_gecos
!= NULL
? strlen(pwd
->pw_gecos
) + 1 : 0;
1490 n
+= pwd
->pw_dir
!= NULL
? strlen(pwd
->pw_dir
) + 1 : 0;
1491 n
+= pwd
->pw_shell
!= NULL
? strlen(pwd
->pw_shell
) + 1 : 0;
1494 syslog(LOG_ERR
, "getpwent memory allocation failure");
1499 #define COPY(field) do { \
1500 if (pwd->field == NULL) \
1501 hold.field = NULL; \
1504 p += strlcpy(p, pwd->field, eob-p) + 1; \
1515 eob
= &buffer
[bufsize
];
1516 #define COPY(field, flag) do { \
1517 q = (template->pw_fields & flag) ? template->field : hold.field; \
1519 pwd->field = NULL; \
1522 if ((n = strlcpy(p, q, eob-p)) >= eob-p) { \
1530 #ifdef PW_OVERRIDE_PASSWD
1531 COPY(pw_passwd
, _PWF_PASSWD
);
1536 COPY(pw_gecos
, _PWF_GECOS
);
1537 COPY(pw_dir
, _PWF_DIR
);
1538 COPY(pw_shell
, _PWF_SHELL
);
1540 #define COPY(field, flag) do { \
1541 if (template->pw_fields & flag) \
1542 pwd->field = template->field; \
1544 COPY(pw_uid
, _PWF_UID
);
1545 COPY(pw_gid
, _PWF_GID
);
1553 compat_exclude(const char *name
, DB
**db
)
1558 (*db
= dbopen(NULL
, O_RDWR
, 600, DB_HASH
, 0)) == NULL
)
1560 key
.size
= strlen(name
);
1561 key
.data
= (char *)name
;
1565 if ((*db
)->put(*db
, &key
, &data
, 0) == -1)
1572 compat_is_excluded(const char *name
, DB
*db
)
1578 key
.size
= strlen(name
);
1579 key
.data
= (char *)name
;
1580 return (db
->get(db
, &key
, &data
, 0) == 0);
1585 compat_redispatch(struct compat_state
*st
, enum nss_lookup_type how
,
1586 enum nss_lookup_type lookup_how
, const char *name
, const char *lookup_name
,
1587 uid_t uid
, struct passwd
*pwd
, char *buffer
, size_t bufsize
, int *errnop
)
1589 static const ns_src compatsrc
[] = {
1591 { NSSRC_NIS
, NS_SUCCESS
},
1597 { NSSRC_NIS
, nis_passwd
, NULL
},
1600 { NSSRC_DNS
, dns_passwd
, NULL
},
1602 { NULL
, NULL
, NULL
}
1607 for (i
= 0; i
< NELEM(dtab
) - 1; i
++)
1608 dtab
[i
].mdata
= (void *)lookup_how
;
1611 switch (lookup_how
) {
1613 rv
= _nsdispatch(&discard
, dtab
, NSDB_PASSWD_COMPAT
,
1614 "getpwent_r", compatsrc
, pwd
, buffer
, bufsize
,
1618 rv
= _nsdispatch(&discard
, dtab
, NSDB_PASSWD_COMPAT
,
1619 "getpwuid_r", compatsrc
, uid
, pwd
, buffer
,
1623 rv
= _nsdispatch(&discard
, dtab
, NSDB_PASSWD_COMPAT
,
1624 "getpwnam_r", compatsrc
, lookup_name
, pwd
, buffer
,
1628 return (NS_UNAVAIL
);
1630 if (rv
!= NS_SUCCESS
)
1632 if (compat_is_excluded(pwd
->pw_name
, st
->exclude
)) {
1633 if (how
== nss_lt_all
)
1635 return (NS_NOTFOUND
);
1637 e
= compat_use_template(pwd
, &st
->template, buffer
, bufsize
);
1643 return (NS_UNAVAIL
);
1647 if (strcmp(name
, pwd
->pw_name
) != 0)
1648 return (NS_NOTFOUND
);
1651 if (uid
!= pwd
->pw_uid
)
1652 return (NS_NOTFOUND
);
1657 return (NS_SUCCESS
);
1662 compat_endstate(void *p
)
1664 struct compat_state
*st
;
1668 st
= (struct compat_state
*)p
;
1670 st
->db
->close(st
->db
);
1671 if (st
->exclude
!= NULL
)
1672 st
->exclude
->close(st
->exclude
);
1673 compat_clear_template(&st
->template);
1679 compat_setpwent(void *retval __unused
, void *mdata
, va_list ap
)
1681 static const ns_src compatsrc
[] = {
1683 { NSSRC_NIS
, NS_SUCCESS
},
1689 { NSSRC_NIS
, nis_setpwent
, NULL
},
1692 { NSSRC_DNS
, dns_setpwent
, NULL
},
1694 { NULL
, NULL
, NULL
}
1696 struct compat_state
*st
;
1699 #define set_setent(x, y) do { \
1702 for (i = 0; i < (sizeof(x)/sizeof(x[0])) - 1; i++) \
1703 x[i].mdata = (void *)y; \
1706 rv
= compat_getstate(&st
);
1708 return (NS_UNAVAIL
);
1709 switch ((enum constants
)mdata
) {
1711 stayopen
= va_arg(ap
, int);
1714 st
->db
= pwdbopen(&st
->version
);
1715 st
->stayopen
= stayopen
;
1716 set_setent(dtab
, mdata
);
1717 _nsdispatch(NULL
, dtab
, NSDB_PASSWD_COMPAT
, "setpwent",
1721 if (st
->db
!= NULL
) {
1722 st
->db
->close(st
->db
);
1725 set_setent(dtab
, mdata
);
1726 _nsdispatch(NULL
, dtab
, NSDB_PASSWD_COMPAT
, "endpwent",
1732 return (NS_UNAVAIL
);
1738 compat_passwd(void *retval
, void *mdata
, va_list ap
)
1740 char keybuf
[MAXLOGNAME
+ 1];
1742 struct compat_state
*st
;
1743 enum nss_lookup_type how
;
1746 char *buffer
, *pw_name
;
1747 char *host
, *user
, *domain
;
1751 int rv
, from_compat
, stayopen
, *errnop
;
1756 how
= (enum nss_lookup_type
)mdata
;
1759 name
= va_arg(ap
, const char *);
1762 uid
= va_arg(ap
, uid_t
);
1770 pwd
= va_arg(ap
, struct passwd
*);
1771 buffer
= va_arg(ap
, char *);
1772 bufsize
= va_arg(ap
, size_t);
1773 errnop
= va_arg(ap
, int *);
1774 *errnop
= compat_getstate(&st
);
1776 return (NS_UNAVAIL
);
1777 if (how
== nss_lt_all
&& st
->keynum
< 0) {
1781 if (st
->db
== NULL
&&
1782 (st
->db
= pwdbopen(&st
->version
)) == NULL
) {
1787 if (how
== nss_lt_all
) {
1788 if (st
->keynum
< 0) {
1795 stayopen
= st
->stayopen
;
1799 switch (st
->compat
) {
1800 case COMPAT_MODE_ALL
:
1801 rv
= compat_redispatch(st
, how
, how
, name
, name
, uid
, pwd
,
1802 buffer
, bufsize
, errnop
);
1803 if (rv
!= NS_SUCCESS
)
1804 st
->compat
= COMPAT_MODE_OFF
;
1806 case COMPAT_MODE_NETGROUP
:
1807 /* XXX getnetgrent is not thread-safe. */
1809 rv
= getnetgrent(&host
, &user
, &domain
);
1812 st
->compat
= COMPAT_MODE_OFF
;
1815 } else if (user
== NULL
|| user
[0] == '\0')
1817 rv
= compat_redispatch(st
, how
, nss_lt_name
, name
,
1818 user
, uid
, pwd
, buffer
, bufsize
, errnop
);
1819 } while (st
->compat
== COMPAT_MODE_NETGROUP
&&
1820 !(rv
& NS_TERMINATE
));
1822 case COMPAT_MODE_NAME
:
1823 rv
= compat_redispatch(st
, how
, nss_lt_name
, name
, st
->name
,
1824 uid
, pwd
, buffer
, bufsize
, errnop
);
1827 st
->compat
= COMPAT_MODE_OFF
;
1832 if (rv
& NS_TERMINATE
) {
1838 while (st
->keynum
>= 0) {
1840 if (st
->version
< _PWD_CURRENT_VERSION
) {
1841 memcpy(&keybuf
[1], &st
->keynum
, sizeof(st
->keynum
));
1842 key
.size
= sizeof(st
->keynum
) + 1;
1844 store
= htonl(st
->keynum
);
1845 memcpy(&keybuf
[1], &store
, sizeof(store
));
1846 key
.size
= sizeof(store
) + 1;
1848 keybuf
[0] = _PW_VERSIONED(_PW_KEYBYNUM
, st
->version
);
1849 rv
= st
->db
->get(st
->db
, &key
, &entry
, 0);
1850 if (rv
< 0 || rv
> 1) { /* should never return > 1 */
1854 } else if (rv
== 1) {
1859 pw_name
= (char *)entry
.data
;
1860 switch (pw_name
[0]) {
1862 switch (pw_name
[1]) {
1864 st
->compat
= COMPAT_MODE_ALL
;
1867 setnetgrent(&pw_name
[2]);
1868 st
->compat
= COMPAT_MODE_NETGROUP
;
1871 st
->name
= strdup(&pw_name
[1]);
1872 if (st
->name
== NULL
) {
1874 "getpwent memory allocation failure");
1879 st
->compat
= COMPAT_MODE_NAME
;
1881 if (entry
.size
> bufsize
) {
1886 memcpy(buffer
, entry
.data
, entry
.size
);
1887 rv
= pwdb_versions
[st
->version
].parse(buffer
,
1888 entry
.size
, pwd
, errnop
);
1889 if (rv
!= NS_SUCCESS
)
1891 else if (compat_set_template(pwd
, &st
->template) < 0) {
1898 switch (pw_name
[1]) {
1900 /* XXX Maybe syslog warning */
1903 setnetgrent(&pw_name
[2]);
1904 while (getnetgrent(&host
, &user
, &domain
) !=
1906 if (user
!= NULL
&& user
[0] != '\0')
1907 compat_exclude(user
,
1913 compat_exclude(&pw_name
[1], &st
->exclude
);
1920 if (compat_is_excluded((char *)entry
.data
, st
->exclude
))
1922 rv
= pwdb_versions
[st
->version
].match(entry
.data
, entry
.size
,
1924 if (rv
== NS_RETURN
)
1926 else if (rv
!= NS_SUCCESS
)
1928 if (entry
.size
> bufsize
) {
1933 memcpy(buffer
, entry
.data
, entry
.size
);
1934 rv
= pwdb_versions
[st
->version
].parse(buffer
, entry
.size
, pwd
,
1936 if (rv
& NS_TERMINATE
)
1940 if (!stayopen
&& st
->db
!= NULL
) {
1941 st
->db
->close(st
->db
);
1944 if (rv
== NS_SUCCESS
) {
1946 pwd
->pw_fields
&= ~_PWF_SOURCE
;
1947 pwd
->pw_fields
|= _PWF_FILES
;
1950 *(struct passwd
**)retval
= pwd
;
1957 * common passwd line matching and parsing
1960 __pw_match_entry(const char *entry
, size_t entrysize
, enum nss_lookup_type how
,
1961 const char *name
, uid_t uid
)
1963 const char *p
, *eom
;
1968 eom
= entry
+ entrysize
;
1969 for (p
= entry
; p
< eom
; p
++)
1973 return (NS_NOTFOUND
);
1974 if (how
== nss_lt_all
)
1975 return (NS_SUCCESS
);
1976 if (how
== nss_lt_name
) {
1978 if (len
== (p
- entry
) && memcmp(name
, entry
, len
) == 0)
1979 return (NS_SUCCESS
);
1981 return (NS_NOTFOUND
);
1983 for (p
++; p
< eom
; p
++)
1987 return (NS_NOTFOUND
);
1988 m
= strtoul(++p
, &q
, 10);
1989 if (q
[0] != ':' || (uid_t
)m
!= uid
)
1990 return (NS_NOTFOUND
);
1992 return (NS_SUCCESS
);
1996 /* XXX buffer must be NUL-terminated. errnop is not set correctly. */
1998 __pw_parse_entry(char *buffer
, size_t bufsize __unused
, struct passwd
*pwd
,
1999 int master
, int *errnop __unused
)
2002 if (__pw_scan(buffer
, pwd
, master
? _PWSCAN_MASTER
: 0) == 0)
2003 return (NS_NOTFOUND
);
2005 return (NS_SUCCESS
);