| 1 | /* Get public or secret key from key server. |
| 2 | Copyright (C) 1996-2023 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <rpc/netdb.h> |
| 21 | #include <rpc/auth_des.h> |
| 22 | #include <shlib-compat.h> |
| 23 | |
| 24 | #include "nsswitch.h" |
| 25 | |
| 26 | |
| 27 | /* Type of the lookup function for the public key. */ |
| 28 | typedef int (*public_function) (const char *, char *, int *); |
| 29 | |
| 30 | /* Type of the lookup function for the secret key. */ |
| 31 | typedef int (*secret_function) (const char *, char *, const char *, int *); |
| 32 | |
| 33 | int |
| 34 | getpublickey (const char *name, char *key) |
| 35 | { |
| 36 | nss_action_list nip; |
| 37 | union |
| 38 | { |
| 39 | public_function f; |
| 40 | void *ptr; |
| 41 | } fct; |
| 42 | enum nss_status status = NSS_STATUS_UNAVAIL; |
| 43 | int no_more; |
| 44 | |
| 45 | no_more = __nss_publickey_lookup2 (&nip, "getpublickey" , NULL, &fct.ptr); |
| 46 | |
| 47 | while (! no_more) |
| 48 | { |
| 49 | status = (*fct.f) (name, key, &errno); |
| 50 | |
| 51 | no_more = __nss_next2 (&nip, "getpublickey" , NULL, &fct.ptr, status, 0); |
| 52 | } |
| 53 | |
| 54 | return status == NSS_STATUS_SUCCESS; |
| 55 | } |
| 56 | libc_hidden_nolink_sunrpc (getpublickey, GLIBC_2_0) |
| 57 | |
| 58 | |
| 59 | int |
| 60 | getsecretkey (const char *name, char *key, const char *passwd) |
| 61 | { |
| 62 | nss_action_list nip; |
| 63 | union |
| 64 | { |
| 65 | secret_function f; |
| 66 | void *ptr; |
| 67 | } fct; |
| 68 | enum nss_status status = NSS_STATUS_UNAVAIL; |
| 69 | int no_more; |
| 70 | |
| 71 | no_more = __nss_publickey_lookup2 (&nip, "getsecretkey" , NULL, &fct.ptr); |
| 72 | |
| 73 | while (! no_more) |
| 74 | { |
| 75 | status = (*fct.f) (name, key, passwd, &errno); |
| 76 | |
| 77 | no_more = __nss_next2 (&nip, "getsecretkey" , NULL, &fct.ptr, status, 0); |
| 78 | } |
| 79 | |
| 80 | return status == NSS_STATUS_SUCCESS; |
| 81 | } |
| 82 | libc_hidden_nolink_sunrpc (getsecretkey, GLIBC_2_0) |
| 83 | |