1 /* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1998.
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. */
27 #include <sys/socket.h>
31 #include "nscd-client.h"
32 #include "nscd_proto.h"
34 int __nss_not_use_nscd_passwd
;
36 static int nscd_getpw_r (const char *key
, request_type type
,
37 struct passwd
*resultbuf
, char *buffer
,
41 __nscd_getpwnam_r (const char *name
, struct passwd
*resultbuf
, char *buffer
,
47 return nscd_getpw_r (name
, GETPWBYNAME
, resultbuf
, buffer
, buflen
);
51 __nscd_getpwuid_r (uid_t uid
, struct passwd
*resultbuf
, char *buffer
,
57 plen
= __snprintf (buffer
, buflen
, "%d", uid
);
63 p
= buffer
+ plen
+ 1;
65 return nscd_getpw_r (buffer
, GETPWBYUID
, resultbuf
, p
, buflen
- plen
- 1);
68 /* Create a socket connected to a name. */
72 struct sockaddr_un addr
;
74 int saved_errno
= errno
;
76 sock
= __socket (PF_UNIX
, SOCK_STREAM
, 0);
79 __set_errno (saved_errno
);
83 addr
.sun_family
= AF_UNIX
;
84 strcpy (addr
.sun_path
, _PATH_NSCDSOCKET
);
85 if (__connect (sock
, (struct sockaddr
*) &addr
, sizeof (addr
)) < 0)
88 __set_errno (saved_errno
);
96 nscd_getpw_r (const char *key
, request_type type
, struct passwd
*resultbuf
,
97 char *buffer
, size_t buflen
)
99 int sock
= open_socket ();
101 pw_response_header pw_resp
;
106 __nss_not_use_nscd_passwd
= 1;
110 req
.version
= NSCD_VERSION
;
112 req
.key_len
= strlen (key
) + 1;
113 nbytes
= __write (sock
, &req
, sizeof (request_header
));
114 if (nbytes
!= sizeof (request_header
))
120 nbytes
= __write (sock
, key
, req
.key_len
);
121 if (nbytes
!= req
.key_len
)
127 nbytes
= __read (sock
, &pw_resp
, sizeof (pw_response_header
));
128 if (nbytes
!= sizeof (pw_response_header
))
134 if (pw_resp
.found
== -1)
136 /* The daemon does not cache this database. */
138 __nss_not_use_nscd_passwd
= 1;
142 if (pw_resp
.found
== 1)
145 size_t total
= (pw_resp
.pw_name_len
+ pw_resp
.pw_passwd_len
146 + pw_resp
.pw_gecos_len
+ pw_resp
.pw_dir_len
147 + pw_resp
.pw_shell_len
);
151 __set_errno (ERANGE
);
156 /* Set the information we already have. */
157 resultbuf
->pw_uid
= pw_resp
.pw_uid
;
158 resultbuf
->pw_gid
= pw_resp
.pw_gid
;
161 resultbuf
->pw_name
= p
;
162 p
+= pw_resp
.pw_name_len
;
164 resultbuf
->pw_passwd
= p
;
165 p
+= pw_resp
.pw_passwd_len
;
167 resultbuf
->pw_gecos
= p
;
168 p
+= pw_resp
.pw_gecos_len
;
170 resultbuf
->pw_dir
= p
;
171 p
+= pw_resp
.pw_dir_len
;
173 resultbuf
->pw_shell
= p
;
175 nbytes
= __read (sock
, buffer
, total
);
179 return nbytes
== total
? 0 : 1;