2 Unix SMB/CIFS implementation.
3 ads (active directory) utility library
4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Andrew Bartlett 2001
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 /* return a ldap dn path from a string, given separators and field name
27 char *ads_build_path(const char *realm, const char *sep, const char *field, int reverse)
36 if (!r || !*r) return r;
39 if (strchr(sep, *p)) numbits++;
42 len = (numbits+1)*(strlen(field)+1) + strlen(r) + 1;
45 strlcpy(ret,field, len);
49 while ((p=strtok(NULL,sep))) {
52 asprintf(&s, "%s%s,%s", field, p, ret);
54 asprintf(&s, "%s,%s%s", ret, field, p);
65 /* return a dn of the form "dc=AA,dc=BB,dc=CC" from a
66 realm of the form AA.BB.CC
69 char *ads_build_dn(const char *realm)
71 return ads_build_path(realm, ".", "dc=", 0);
77 find the ldap server from DNS
79 static char *find_ldap_server(ADS_STRUCT *ads)
85 ldap_domain2hostlist(ads->realm, &list) == LDAP_SUCCESS) {
87 p = strchr(list, ':');
92 /* get desperate, find the domain controller IP */
93 if (resolve_name(lp_workgroup(), &ip, 0x1B)) {
94 return strdup(inet_ntoa(ip));
102 static char *find_ldap_server(ADS_STRUCT *ads)
104 /* Without LDAP this doesn't make much sense */
111 #define LDAP_PORT 389
115 initialise a ADS_STRUCT, ready for some ads_ ops
117 ADS_STRUCT *ads_init(const char *realm,
118 const char *ldap_server,
119 const char *bind_path,
120 const char *password)
124 ads = (ADS_STRUCT *)smb_xmalloc(sizeof(*ads));
127 ads->realm = realm? strdup(realm) : NULL;
128 ads->ldap_server = ldap_server? strdup(ldap_server) : NULL;
129 ads->bind_path = bind_path? strdup(bind_path) : NULL;
130 ads->ldap_port = LDAP_PORT;
131 if (password) ads->password = strdup(password);
134 ads->realm = strdup(lp_realm());
135 if (!ads->realm[0]) {
136 SAFE_FREE(ads->realm);
139 if (!ads->bind_path && ads->realm) {
140 ads->bind_path = ads_build_dn(ads->realm);
142 if (!ads->ldap_server) {
143 ads->ldap_server = strdup(lp_ads_server());
144 if (!ads->ldap_server[0]) {
145 ads->ldap_server = find_ldap_server(ads);
148 if (!ads->kdc_server) {
149 /* assume its the same as LDAP */
150 ads->kdc_server = ads->ldap_server? strdup(ads->ldap_server) : NULL;
157 free the memory used by the ADS structure initialized with 'ads_init(...)'
159 void ads_destroy(ADS_STRUCT **ads)
163 if ((*ads)->ld) ldap_unbind((*ads)->ld);
165 SAFE_FREE((*ads)->realm);
166 SAFE_FREE((*ads)->ldap_server);
167 SAFE_FREE((*ads)->ldap_server_name);
168 SAFE_FREE((*ads)->kdc_server);
169 SAFE_FREE((*ads)->bind_path);
170 SAFE_FREE((*ads)->password);
171 SAFE_FREE((*ads)->user_name);