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glibc/sunrpc/publickey.c
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/* Get public or secret key from key server. | |
Copyright (C) 1996-2016 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) |