.
[glibc/history.git] / sunrpc / publickey.c
blobdbadacaecd237d198b7d47a93f62ce8a012e0053
1 /* Get public or secret key from key server.
2 Copyright (C) 1996-1999,2002,2007 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <errno.h>
22 #include <rpc/netdb.h>
23 #include <rpc/auth_des.h>
25 #include "nsswitch.h"
28 /* Type of the lookup function for the public key. */
29 typedef int (*public_function) (const char *, char *, int *);
31 /* Type of the lookup function for the secret key. */
32 typedef int (*secret_function) (const char *, char *, const char *, int *);
34 /* The lookup function for the first entry of this service. */
35 extern int __nss_publickey_lookup (service_user **nip, const char *name,
36 void **fctp) internal_function;
39 int
40 getpublickey (const char *name, char *key)
42 static service_user *startp;
43 static public_function start_fct;
44 service_user *nip;
45 union
47 public_function f;
48 void *ptr;
49 } fct;
50 enum nss_status status = NSS_STATUS_UNAVAIL;
51 int no_more;
53 if (startp == NULL)
55 no_more = __nss_publickey_lookup (&nip, "getpublickey", &fct.ptr);
56 if (no_more)
57 startp = (service_user *) -1;
58 else
60 startp = nip;
61 start_fct = fct.f;
64 else
66 fct.f = start_fct;
67 no_more = (nip = startp) == (service_user *) -1;
70 while (! no_more)
72 status = (*fct.f) (name, key, &errno);
74 no_more = __nss_next2 (&nip, "getpublickey", NULL, &fct.ptr, status, 0);
77 return status == NSS_STATUS_SUCCESS;
79 libc_hidden_def (getpublickey)
82 int
83 getsecretkey (const char *name, char *key, const char *passwd)
85 static service_user *startp;
86 static secret_function start_fct;
87 service_user *nip;
88 union
90 secret_function f;
91 void *ptr;
92 } fct;
93 enum nss_status status = NSS_STATUS_UNAVAIL;
94 int no_more;
96 if (startp == NULL)
98 no_more = __nss_publickey_lookup (&nip, "getsecretkey", &fct.ptr);
99 if (no_more)
100 startp = (service_user *) -1;
101 else
103 startp = nip;
104 start_fct = fct.f;
107 else
109 fct.f = start_fct;
110 no_more = (nip = startp) == (service_user *) -1;
113 while (! no_more)
115 status = (*fct.f) (name, key, passwd, &errno);
117 no_more = __nss_next2 (&nip, "getsecretkey", NULL, &fct.ptr, status, 0);
120 return status == NSS_STATUS_SUCCESS;