mirror of
https://github.com/samba-team/samba.git
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142 lines
3.3 KiB
C
142 lines
3.3 KiB
C
/*
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Unix SMB/CIFS implementation.
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ads (active directory) utility library
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Copyright (C) Andrew Tridgell 2001
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Copyright (C) Andrew Bartlett 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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/* return a ldap dn path from a string, given separators and field name
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caller must free
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*/
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char *ads_build_path(const char *realm, const char *sep, const char *field, int reverse)
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{
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char *p, *r;
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int numbits = 0;
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char *ret;
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int len;
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r = strdup(realm);
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if (!r || !*r)
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return r;
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for (p=r; *p; p++)
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if (strchr(sep, *p))
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numbits++;
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len = (numbits+1)*(strlen(field)+1) + strlen(r) + 1;
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ret = malloc(len);
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if (!ret)
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return NULL;
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strlcpy(ret,field, len);
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p=strtok(r,sep);
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strlcat(ret, p, len);
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while ((p=strtok(NULL,sep))) {
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char *s;
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if (reverse)
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asprintf(&s, "%s%s,%s", field, p, ret);
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else
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asprintf(&s, "%s,%s%s", ret, field, p);
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free(ret);
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ret = s;
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}
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free(r);
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return ret;
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}
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/* return a dn of the form "dc=AA,dc=BB,dc=CC" from a
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realm of the form AA.BB.CC
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caller must free
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*/
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char *ads_build_dn(const char *realm)
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{
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return ads_build_path(realm, ".", "dc=", 0);
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}
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#ifndef LDAP_PORT
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#define LDAP_PORT 389
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#endif
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/*
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initialise a ADS_STRUCT, ready for some ads_ ops
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*/
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ADS_STRUCT *ads_init(const char *realm,
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const char *workgroup,
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const char *ldap_server)
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{
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ADS_STRUCT *ads;
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ads = (ADS_STRUCT *)smb_xmalloc(sizeof(*ads));
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ZERO_STRUCTP(ads);
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ads->server.realm = realm? strdup(realm) : NULL;
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ads->server.workgroup = workgroup ? strdup(workgroup) : NULL;
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ads->server.ldap_server = ldap_server? strdup(ldap_server) : NULL;
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/* we need to know if this is a foreign realm to know if we can
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use lp_ads_server() */
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if (realm && *realm && strcasecmp(lp_realm(), realm) != 0) {
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ads->server.foreign = 1;
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}
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if (workgroup && *workgroup && strcasecmp(lp_workgroup(), workgroup) != 0) {
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ads->server.foreign = 1;
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}
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return ads;
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}
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/* a simpler ads_init() interface using all defaults */
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ADS_STRUCT *ads_init_simple(void)
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{
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return ads_init(NULL, NULL, NULL);
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}
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/*
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free the memory used by the ADS structure initialized with 'ads_init(...)'
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*/
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void ads_destroy(ADS_STRUCT **ads)
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{
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if (ads && *ads) {
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#if HAVE_LDAP
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if ((*ads)->ld) ldap_unbind((*ads)->ld);
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#endif
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SAFE_FREE((*ads)->server.realm);
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SAFE_FREE((*ads)->server.workgroup);
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SAFE_FREE((*ads)->server.ldap_server);
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SAFE_FREE((*ads)->server.ldap_uri);
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SAFE_FREE((*ads)->auth.realm);
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SAFE_FREE((*ads)->auth.password);
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SAFE_FREE((*ads)->auth.user_name);
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SAFE_FREE((*ads)->auth.kdc_server);
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SAFE_FREE((*ads)->config.realm);
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SAFE_FREE((*ads)->config.bind_path);
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SAFE_FREE((*ads)->config.ldap_server_name);
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ZERO_STRUCTP(*ads);
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SAFE_FREE(*ads);
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}
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}
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