1 /* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
25 #include <libc-lock.h>
26 #include <rpcsvc/yp.h>
27 #include <rpcsvc/ypclnt.h>
31 /* Get the declaration of the parser function. */
33 #define STRUCTURE passwd
35 #include "../nss/nss_files/files-parse.c"
37 /* Protect global state against multiple changers */
38 __libc_lock_define_initialized (static, lock
)
40 static bool_t new_start
= 1;
41 static char *oldkey
= NULL
;
42 static int oldkeylen
= 0;
45 _nss_nis_setpwent (void)
47 __libc_lock_lock (lock
);
57 __libc_lock_unlock (lock
);
59 return NSS_STATUS_SUCCESS
;
63 _nss_nis_endpwent (void)
65 __libc_lock_lock (lock
);
75 __libc_lock_unlock (lock
);
77 return NSS_STATUS_SUCCESS
;
80 static enum nss_status
81 internal_nis_getpwent_r (struct passwd
*pwd
, char *buffer
, size_t buflen
)
83 struct parser_data
*data
= (void *) buffer
;
84 char *domain
, *result
, *outkey
;
85 int len
, keylen
, parse_res
;
87 if (yp_get_default_domain (&domain
))
88 return NSS_STATUS_UNAVAIL
;
90 /* Get the next entry until we found a correct one. */
93 enum nss_status retval
;
97 retval
= yperr2nss (yp_first (domain
, "passwd.byname",
98 &outkey
, &keylen
, &result
, &len
));
100 retval
= yperr2nss ( yp_next (domain
, "passwd.byname",
102 &outkey
, &keylen
, &result
, &len
));
104 if (retval
!= NSS_STATUS_SUCCESS
)
106 if (retval
== NSS_STATUS_TRYAGAIN
)
107 __set_errno (EAGAIN
);
111 if ((size_t) (len
+ 1) > buflen
)
114 __set_errno (ERANGE
);
115 return NSS_STATUS_TRYAGAIN
;
118 p
= strncpy (buffer
, result
, len
);
124 parse_res
= _nss_files_parse_pwent (p
, pwd
, data
, buflen
);
125 if (parse_res
== -1 && errno
== ERANGE
)
126 return NSS_STATUS_TRYAGAIN
;
135 return NSS_STATUS_SUCCESS
;
139 _nss_nis_getpwent_r (struct passwd
*result
, char *buffer
, size_t buflen
)
143 __libc_lock_lock (lock
);
145 status
= internal_nis_getpwent_r (result
, buffer
, buflen
);
147 __libc_lock_unlock (lock
);
153 _nss_nis_getpwnam_r (const char *name
, struct passwd
*pwd
,
154 char *buffer
, size_t buflen
)
156 struct parser_data
*data
= (void *) buffer
;
157 enum nss_status retval
;
158 char *domain
, *result
, *p
;
163 __set_errno (EINVAL
);
164 return NSS_STATUS_UNAVAIL
;
167 if (yp_get_default_domain (&domain
))
168 return NSS_STATUS_UNAVAIL
;
170 retval
= yperr2nss (yp_match (domain
, "passwd.byname", name
,
171 strlen (name
), &result
, &len
));
173 if (retval
!= NSS_STATUS_SUCCESS
)
175 if (retval
== NSS_STATUS_TRYAGAIN
)
176 __set_errno (EAGAIN
);
180 if ((size_t) (len
+ 1) > buflen
)
183 __set_errno (ERANGE
);
184 return NSS_STATUS_TRYAGAIN
;
187 p
= strncpy (buffer
, result
, len
);
193 parse_res
= _nss_files_parse_pwent (p
, pwd
, data
, buflen
);
195 if (parse_res
== -1 && errno
== ERANGE
)
196 return NSS_STATUS_TRYAGAIN
;
197 else if (parse_res
== 0)
198 return NSS_STATUS_NOTFOUND
;
200 return NSS_STATUS_SUCCESS
;
204 _nss_nis_getpwuid_r (uid_t uid
, struct passwd
*pwd
,
205 char *buffer
, size_t buflen
)
207 struct parser_data
*data
= (void *) buffer
;
208 enum nss_status retval
;
209 char *domain
, *result
, *p
;
210 int len
, nlen
, parse_res
;
213 if (yp_get_default_domain (&domain
))
214 return NSS_STATUS_UNAVAIL
;
216 nlen
= sprintf (buf
, "%d", uid
);
218 retval
= yperr2nss (yp_match (domain
, "passwd.byuid", buf
,
219 nlen
, &result
, &len
));
221 if (retval
!= NSS_STATUS_SUCCESS
)
223 if (retval
== NSS_STATUS_TRYAGAIN
)
224 __set_errno (EAGAIN
);
228 if ((size_t) (len
+ 1) > buflen
)
231 __set_errno (ERANGE
);
232 return NSS_STATUS_TRYAGAIN
;
235 p
= strncpy (buffer
, result
, len
);
241 parse_res
= _nss_files_parse_pwent (p
, pwd
, data
, buflen
);
243 if (parse_res
== -1 && errno
== ERANGE
)
244 return NSS_STATUS_TRYAGAIN
;
245 else if (parse_res
== 0)
246 return NSS_STATUS_NOTFOUND
;
248 return NSS_STATUS_SUCCESS
;