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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 3 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, see <http://www.gnu.org/licenses/>.
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/* return a ldap dn path from a string, given separators and field name
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char *ads_build_path(const char *realm, const char *sep, const char *field, int reverse)
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r = SMB_STRDUP(realm);
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if (strchr(sep, *p)) {
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len = (numbits+1)*(strlen(field)+1) + strlen(r) + 1;
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ret = (char *)SMB_MALLOC(len);
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strlcpy(ret,field, len);
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p=strtok_r(r, sep, &saveptr);
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while ((p=strtok_r(NULL, sep, &saveptr)) != NULL) {
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retval = asprintf(&s, "%s%s,%s", field, p, ret);
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retval = asprintf(&s, "%s,%s%s", ret, field, p);
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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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char *ads_build_dn(const char *realm)
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return ads_build_path(realm, ".", "dc=", 0);
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/* return a DNS name in the for aa.bb.cc from the DN
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"dc=AA,dc=BB,dc=CC". caller must free
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char *ads_build_domain(const char *dn)
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char *dnsdomain = NULL;
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/* result should always be shorter than the DN */
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if ( (dnsdomain = SMB_STRDUP( dn )) == NULL ) {
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DEBUG(0,("ads_build_domain: malloc() failed!\n"));
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strlower_m( dnsdomain );
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all_string_sub( dnsdomain, "dc=", "", 0);
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all_string_sub( dnsdomain, ",", ".", 0 );
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#define LDAP_PORT 389
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initialise a ADS_STRUCT, ready for some ads_ ops
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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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ads = SMB_XMALLOC_P(ADS_STRUCT);
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ads->server.realm = realm? SMB_STRDUP(realm) : NULL;
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ads->server.workgroup = workgroup ? SMB_STRDUP(workgroup) : NULL;
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ads->server.ldap_server = ldap_server? SMB_STRDUP(ldap_server) : NULL;
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/* we need to know if this is a foreign realm */
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if (realm && *realm && !strequal(lp_realm(), realm)) {
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ads->server.foreign = 1;
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if (workgroup && *workgroup && !strequal(lp_workgroup(), workgroup)) {
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ads->server.foreign = 1;
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/* the caller will own the memory by default */
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wrap_flags = lp_client_ldap_sasl_wrapping();
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if (wrap_flags == -1) {
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ads->auth.flags = wrap_flags;
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free the memory used by the ADS structure initialized with 'ads_init(...)'
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void ads_destroy(ADS_STRUCT **ads)
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is_mine = (*ads)->is_mine;
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ads_disconnect(*ads);
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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)->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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SAFE_FREE((*ads)->config.server_site_name);
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SAFE_FREE((*ads)->config.client_site_name);
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SAFE_FREE((*ads)->config.schema_path);
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SAFE_FREE((*ads)->config.config_path);