mirror of
https://github.com/samba-team/samba.git
synced 2024-12-27 03:21:53 +03:00
5b2c3f2f42
It's a pain to recompile the world if gencache.h changes Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org> Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org> Autobuild-Date(master): Fri Oct 19 18:52:50 CEST 2018 on sn-devel-144
137 lines
3.6 KiB
C
137 lines
3.6 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
DNS utility library
|
|
Copyright (C) Gerald (Jerry) Carter 2006.
|
|
Copyright (C) Jeremy Allison 2007.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#include "libads/sitename_cache.h"
|
|
#include "lib/gencache.h"
|
|
|
|
/****************************************************************************
|
|
Store and fetch the AD client sitename.
|
|
****************************************************************************/
|
|
|
|
#define SITENAME_KEY "AD_SITENAME/DOMAIN/%s"
|
|
|
|
static char *sitename_key(const char *realm)
|
|
{
|
|
char *keystr;
|
|
|
|
if (asprintf_strupper_m(&keystr, SITENAME_KEY, realm) == -1) {
|
|
return NULL;
|
|
}
|
|
|
|
return keystr;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
Store the AD client sitename.
|
|
We store indefinately as every new CLDAP query will re-write this.
|
|
****************************************************************************/
|
|
|
|
bool sitename_store(const char *realm, const char *sitename)
|
|
{
|
|
time_t expire;
|
|
bool ret = False;
|
|
char *key;
|
|
|
|
if (!realm || (strlen(realm) == 0)) {
|
|
DEBUG(0,("sitename_store: no realm\n"));
|
|
return False;
|
|
}
|
|
|
|
key = sitename_key(realm);
|
|
|
|
if (!sitename || (sitename && !*sitename)) {
|
|
DEBUG(5,("sitename_store: deleting empty sitename!\n"));
|
|
ret = gencache_del(key);
|
|
SAFE_FREE(key);
|
|
return ret;
|
|
}
|
|
|
|
expire = get_time_t_max(); /* Store indefinately. */
|
|
|
|
DEBUG(10,("sitename_store: realm = [%s], sitename = [%s], expire = [%u]\n",
|
|
realm, sitename, (unsigned int)expire ));
|
|
|
|
ret = gencache_set( key, sitename, expire );
|
|
SAFE_FREE(key);
|
|
return ret;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Fetch the AD client sitename.
|
|
Caller must free.
|
|
****************************************************************************/
|
|
|
|
char *sitename_fetch(TALLOC_CTX *mem_ctx, const char *realm)
|
|
{
|
|
char *sitename = NULL;
|
|
time_t timeout;
|
|
bool ret = False;
|
|
const char *query_realm;
|
|
char *key;
|
|
|
|
if (!realm || (strlen(realm) == 0)) {
|
|
query_realm = lp_realm();
|
|
} else {
|
|
query_realm = realm;
|
|
}
|
|
|
|
key = sitename_key(query_realm);
|
|
|
|
ret = gencache_get( key, mem_ctx, &sitename, &timeout );
|
|
SAFE_FREE(key);
|
|
if ( !ret ) {
|
|
DBG_INFO("No stored sitename for realm '%s'\n", query_realm);
|
|
} else {
|
|
DBG_INFO("Returning sitename for realm '%s': \"%s\"\n",
|
|
query_realm, sitename);
|
|
}
|
|
return sitename;
|
|
}
|
|
|
|
/****************************************************************************
|
|
Did the sitename change ?
|
|
****************************************************************************/
|
|
|
|
bool stored_sitename_changed(const char *realm, const char *sitename)
|
|
{
|
|
bool ret = False;
|
|
|
|
char *new_sitename;
|
|
|
|
if (!realm || (strlen(realm) == 0)) {
|
|
DEBUG(0,("stored_sitename_changed: no realm\n"));
|
|
return False;
|
|
}
|
|
|
|
new_sitename = sitename_fetch(talloc_tos(), realm);
|
|
|
|
if (sitename && new_sitename && !strequal(sitename, new_sitename)) {
|
|
ret = True;
|
|
} else if ((sitename && !new_sitename) ||
|
|
(!sitename && new_sitename)) {
|
|
ret = True;
|
|
}
|
|
TALLOC_FREE(new_sitename);
|
|
return ret;
|
|
}
|
|
|