/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
- This file is part of nss-myhostname.
+ This file is part of systemd.
Copyright 2008-2011 Lennart Poettering
- nss-myhostname 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.
+ systemd 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.
- nss-myhostname is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ systemd 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 nss-myhostname; If not, see
- <http://www.gnu.org/licenses/>.
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <limits.h>
#include <arpa/inet.h>
#include "ifconf.h"
+#include "macro.h"
+#include "util.h"
/* We use 127.0.0.2 as IPv4 address. This has the advantage over
* 127.0.0.1 that it can be translated back to the local hostname. For
#define LOCALADDRESS_IPV6 &in6addr_loopback
#define LOOPBACK_INTERFACE "lo"
-#define ALIGN(a) (((a+sizeof(void*)-1)/sizeof(void*))*sizeof(void*))
-
enum nss_status _nss_myhostname_gethostbyname4_r(
const char *name,
struct gaih_addrtuple **pat,
int32_t *ttlp) {
unsigned lo_ifi;
- char hn[HOST_NAME_MAX+1];
+ char hn[HOST_NAME_MAX+1] = {};
size_t l, idx, ms;
char *r_name;
struct gaih_addrtuple *r_tuple, *r_tuple_prev = NULL;
struct address *addresses = NULL, *a;
unsigned n_addresses = 0, n;
- memset(hn, 0, sizeof(hn));
if (gethostname(hn, sizeof(hn)-1) < 0) {
*errnop = errno;
*h_errnop = NO_RECOVERY;
/* Verify the size matches */
assert(idx == ms);
- *pat = r_tuple_prev;
+ /* Nscd expects us to store the first record in **pat. */
+ if (*pat)
+ **pat = *r_tuple_prev;
+ else
+ *pat = r_tuple_prev;
if (ttlp)
*ttlp = 0;
int32_t *ttlp,
char **canonp) {
- char hn[HOST_NAME_MAX+1];
+ char hn[HOST_NAME_MAX+1] = {};
if (af == AF_UNSPEC)
af = AF_INET;
return NSS_STATUS_UNAVAIL;
}
- memset(hn, 0, sizeof(hn));
if (gethostname(hn, sizeof(hn)-1) < 0) {
*errnop = errno;
*h_errnop = NO_RECOVERY;
int *errnop, int *h_errnop,
int32_t *ttlp) {
- char hn[HOST_NAME_MAX+1];
- struct address *addresses = NULL, *a;
+ char hn[HOST_NAME_MAX+1] = {};
+ struct address _cleanup_free_ *addresses = NULL;
+ struct address *a;
unsigned n_addresses = 0, n;
if (len != PROTO_ADDRESS_SIZE(af)) {
*errnop = ENOENT;
*h_errnop = HOST_NOT_FOUND;
- free(addresses);
return NSS_STATUS_NOTFOUND;
found:
- free(addresses);
-
- memset(hn, 0, sizeof(hn));
if (gethostname(hn, sizeof(hn)-1) < 0) {
*errnop = errno;
*h_errnop = NO_RECOVERY;