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/*
Unix SMB/CIFS implementation.
ads (active directory) utility library
Copyright (C) Andrew Tridgell 2001
Copyright (C) Andrew Bartlett 2001
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
/* return a ldap dn path from a string, given separators and field name
caller must free
*/
char *ads_build_path(const char *realm, const char *sep, const char *field, int reverse)
{
char *p, *r;
int numbits = 0;
char *ret;
int len;
r = SMB_STRDUP(realm);
if (!r || !*r)
return r;
for (p=r; *p; p++)
if (strchr(sep, *p))
numbits++;
len = (numbits+1)*(strlen(field)+1) + strlen(r) + 1;
ret = SMB_MALLOC(len);
if (!ret)
return NULL;
strlcpy(ret,field, len);
p=strtok(r,sep);
strlcat(ret, p, len);
while ((p=strtok(NULL,sep))) {
char *s;
if (reverse)
asprintf(&s, "%s%s,%s", field, p, ret);
else
asprintf(&s, "%s,%s%s", ret, field, p);
free(ret);
ret = s;
}
free(r);
return ret;
}
/* return a dn of the form "dc=AA,dc=BB,dc=CC" from a
realm of the form AA.BB.CC
caller must free
*/
char *ads_build_dn(const char *realm)
{
return ads_build_path(realm, ".", "dc=", 0);
}
#ifndef LDAP_PORT
#define LDAP_PORT 389
#endif
/*
initialise a ADS_STRUCT, ready for some ads_ ops
*/
ADS_STRUCT *ads_init(const char *realm,
const char *workgroup,
const char *ldap_server)
{
ADS_STRUCT *ads;
ads = SMB_XMALLOC_P(ADS_STRUCT);
ZERO_STRUCTP(ads);
ads->server.realm = realm? SMB_STRDUP(realm) : NULL;
ads->server.workgroup = workgroup ? SMB_STRDUP(workgroup) : NULL;
ads->server.ldap_server = ldap_server? SMB_STRDUP(ldap_server) : NULL;
/* we need to know if this is a foreign realm */
if (realm && *realm && !strequal(lp_realm(), realm)) {
ads->server.foreign = 1;
}
if (workgroup && *workgroup && !strequal(lp_workgroup(), workgroup)) {
ads->server.foreign = 1;
}
/* the caller will own the memory by default */
ads->is_mine = 1;
return ads;
}
/*
free the memory used by the ADS structure initialized with 'ads_init(...)'
*/
void ads_destroy(ADS_STRUCT **ads)
{
if (ads && *ads) {
BOOL is_mine;
is_mine = (*ads)->is_mine;
#if HAVE_LDAP
if ((*ads)->ld) ldap_unbind((*ads)->ld);
#endif
SAFE_FREE((*ads)->server.realm);
SAFE_FREE((*ads)->server.workgroup);
SAFE_FREE((*ads)->server.ldap_server);
SAFE_FREE((*ads)->server.ldap_uri);
SAFE_FREE((*ads)->auth.realm);
SAFE_FREE((*ads)->auth.password);
SAFE_FREE((*ads)->auth.user_name);
SAFE_FREE((*ads)->auth.kdc_server);
SAFE_FREE((*ads)->config.realm);
SAFE_FREE((*ads)->config.bind_path);
SAFE_FREE((*ads)->config.ldap_server_name);
ZERO_STRUCTP(*ads);
if ( is_mine )
SAFE_FREE(*ads);
}
}
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