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/* Get public or secret key from key server.
Copyright (C) 1996-1999,2002,2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <rpc/netdb.h>
#include <rpc/auth_des.h>
#include "nsswitch.h"
/* Type of the lookup function for the public key. */
typedef int (*public_function) (const char *, char *, int *);
/* Type of the lookup function for the secret key. */
typedef int (*secret_function) (const char *, char *, const char *, int *);
/* The lookup function for the first entry of this service. */
extern int __nss_publickey_lookup (service_user **nip, const char *name,
void **fctp) internal_function;
int
getpublickey (const char *name, char *key)
{
static service_user *startp;
static public_function start_fct;
service_user *nip;
union
{
public_function f;
void *ptr;
} fct;
enum nss_status status = NSS_STATUS_UNAVAIL;
int no_more;
if (startp == NULL)
{
no_more = __nss_publickey_lookup (&nip, "getpublickey", &fct.ptr);
if (no_more)
startp = (service_user *) -1;
else
{
startp = nip;
start_fct = fct.f;
}
}
else
{
fct.f = start_fct;
no_more = (nip = startp) == (service_user *) -1;
}
while (! no_more)
{
status = (*fct.f) (name, key, &errno);
no_more = __nss_next2 (&nip, "getpublickey", NULL, &fct.ptr, status, 0);
}
return status == NSS_STATUS_SUCCESS;
}
libc_hidden_nolink (getpublickey, GLIBC_2_0)
int
getsecretkey (const char *name, char *key, const char *passwd)
{
static service_user *startp;
static secret_function start_fct;
service_user *nip;
union
{
secret_function f;
void *ptr;
} fct;
enum nss_status status = NSS_STATUS_UNAVAIL;
int no_more;
if (startp == NULL)
{
no_more = __nss_publickey_lookup (&nip, "getsecretkey", &fct.ptr);
if (no_more)
startp = (service_user *) -1;
else
{
startp = nip;
start_fct = fct.f;
}
}
else
{
fct.f = start_fct;
no_more = (nip = startp) == (service_user *) -1;
}
while (! no_more)
{
status = (*fct.f) (name, key, passwd, &errno);
no_more = __nss_next2 (&nip, "getsecretkey", NULL, &fct.ptr, status, 0);
}
return status == NSS_STATUS_SUCCESS;
}
libc_hidden_nolink (getsecretkey, GLIBC_2_0)
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