/* Get public or secret key from key server. Copyright (C) 1996-2015 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)