122 lines
3.0 KiB
C
122 lines
3.0 KiB
C
/* Get public or secret key from key server.
|
|
Copyright (C) 1996-2014 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_sunrpc (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_sunrpc (getsecretkey, GLIBC_2_0)
|