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-rw-r--r--source3/passdb/pdb_ldap_util.c338
1 files changed, 338 insertions, 0 deletions
diff --git a/source3/passdb/pdb_ldap_util.c b/source3/passdb/pdb_ldap_util.c
new file mode 100644
index 0000000..0c1708d
--- /dev/null
+++ b/source3/passdb/pdb_ldap_util.c
@@ -0,0 +1,338 @@
+/*
+ Unix SMB/CIFS Implementation.
+ LDAP protocol helper functions for SAMBA
+ Copyright (C) Jean François Micouleau 1998
+ Copyright (C) Gerald Carter 2001-2003
+ Copyright (C) Shahms King 2001
+ Copyright (C) Andrew Bartlett 2002-2003
+ Copyright (C) Stefan (metze) Metzmacher 2002-2003
+
+ 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 "smbldap.h"
+#include "passdb.h"
+#include "passdb/pdb_ldap_util.h"
+#include "passdb/pdb_ldap_schema.h"
+#include "libcli/security/dom_sid.h"
+
+/**********************************************************************
+ Add the account-policies below the sambaDomain object to LDAP,
+*********************************************************************/
+
+static NTSTATUS add_new_domain_account_policies(struct smbldap_state *ldap_state,
+ const char *domain_name)
+{
+ NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
+ int i, rc;
+ uint32_t policy_default;
+ const char *policy_attr = NULL;
+ char *dn = NULL;
+ LDAPMod **mods = NULL;
+ char *escape_domain_name;
+
+ DEBUG(3,("add_new_domain_account_policies: Adding new account policies for domain\n"));
+
+ escape_domain_name = escape_rdn_val_string_alloc(domain_name);
+ if (!escape_domain_name) {
+ DEBUG(0, ("Out of memory!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (asprintf(&dn, "%s=%s,%s",
+ get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
+ escape_domain_name, lp_ldap_suffix()) < 0) {
+ SAFE_FREE(escape_domain_name);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ SAFE_FREE(escape_domain_name);
+
+ for (i=1; decode_account_policy_name(i) != NULL; i++) {
+ char *val = NULL;
+
+ policy_attr = get_account_policy_attr(i);
+ if (!policy_attr) {
+ DEBUG(0,("add_new_domain_account_policies: ops. no policy!\n"));
+ continue;
+ }
+
+ if (!account_policy_get_default(i, &policy_default)) {
+ DEBUG(0,("add_new_domain_account_policies: failed to get default account policy\n"));
+ SAFE_FREE(dn);
+ return ntstatus;
+ }
+
+ DEBUG(10,("add_new_domain_account_policies: adding \"%s\" with value: %d\n", policy_attr, policy_default));
+
+ if (asprintf(&val, "%d", policy_default) < 0) {
+ SAFE_FREE(dn);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ smbldap_set_mod( &mods, LDAP_MOD_REPLACE, policy_attr, val);
+
+ rc = smbldap_modify(ldap_state, dn, mods);
+
+ SAFE_FREE(val);
+
+ if (rc!=LDAP_SUCCESS) {
+ char *ld_error = NULL;
+ ldap_get_option(smbldap_get_ldap(ldap_state),
+ LDAP_OPT_ERROR_STRING, &ld_error);
+ DEBUG(1,("add_new_domain_account_policies: failed to add account policies to dn= %s with: %s\n\t%s\n",
+ dn, ldap_err2string(rc),
+ ld_error ? ld_error : "unknown"));
+ SAFE_FREE(ld_error);
+ SAFE_FREE(dn);
+ ldap_mods_free(mods, True);
+ return ntstatus;
+ }
+ }
+
+ SAFE_FREE(dn);
+ ldap_mods_free(mods, True);
+
+ return NT_STATUS_OK;
+}
+
+/**********************************************************************
+ Add the sambaDomain to LDAP, so we don't have to search for this stuff
+ again. This is a once-add operation for now.
+
+ TODO: Add other attributes, and allow modification.
+*********************************************************************/
+
+static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
+ const char *domain_name)
+{
+ struct dom_sid_buf sid_string;
+ fstring algorithmic_rid_base_string;
+ char *filter = NULL;
+ char *dn = NULL;
+ LDAPMod **mods = NULL;
+ int rc;
+ LDAPMessage *result = NULL;
+ int num_result;
+ const char **attr_list;
+ char *escape_domain_name;
+
+ /* escape for filter */
+ escape_domain_name = escape_ldap_string(talloc_tos(), domain_name);
+ if (!escape_domain_name) {
+ DEBUG(0, ("Out of memory!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (asprintf(&filter, "(&(%s=%s)(objectclass=%s))",
+ get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
+ escape_domain_name, LDAP_OBJ_DOMINFO) < 0) {
+ TALLOC_FREE(escape_domain_name);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ TALLOC_FREE(escape_domain_name);
+
+ attr_list = get_attr_list(NULL, dominfo_attr_list );
+ rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
+ TALLOC_FREE( attr_list );
+ SAFE_FREE(filter);
+
+ if (rc != LDAP_SUCCESS) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ num_result = ldap_count_entries(smbldap_get_ldap(ldap_state), result);
+
+ if (num_result > 1) {
+ DEBUG (0, ("add_new_domain_info: More than domain with that name exists: bailing "
+ "out!\n"));
+ ldap_msgfree(result);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ /* Check if we need to add an entry */
+ DEBUG(3,("add_new_domain_info: Adding new domain\n"));
+
+ /* this time escape for DN */
+ escape_domain_name = escape_rdn_val_string_alloc(domain_name);
+ if (!escape_domain_name) {
+ DEBUG(0, ("Out of memory!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (asprintf(&dn, "%s=%s,%s",
+ get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
+ escape_domain_name, lp_ldap_suffix()) < 0) {
+ SAFE_FREE(escape_domain_name);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ SAFE_FREE(escape_domain_name);
+
+ /* Free original search */
+ ldap_msgfree(result);
+
+ /* make the changes - the entry *must* not already have samba
+ * attributes */
+
+ smbldap_set_mod(&mods, LDAP_MOD_ADD,
+ get_attr_key2string(dominfo_attr_list,
+ LDAP_ATTR_DOMAIN),
+ domain_name);
+
+ /* If we don't have an entry, then ask secrets.tdb for what it thinks.
+ It may choose to make it up */
+
+ smbldap_set_mod(&mods, LDAP_MOD_ADD,
+ get_attr_key2string(dominfo_attr_list,
+ LDAP_ATTR_DOM_SID),
+ dom_sid_str_buf(get_global_sam_sid(), &sid_string));
+
+ slprintf(algorithmic_rid_base_string,
+ sizeof(algorithmic_rid_base_string) - 1, "%i",
+ algorithmic_rid_base());
+ smbldap_set_mod(&mods, LDAP_MOD_ADD,
+ get_attr_key2string(dominfo_attr_list,
+ LDAP_ATTR_ALGORITHMIC_RID_BASE),
+ algorithmic_rid_base_string);
+ smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
+
+ /* add the sambaNextUserRid attributes. */
+
+ {
+ uint32_t rid = BASE_RID;
+ fstring rid_str;
+
+ fstr_sprintf( rid_str, "%i", rid );
+ DEBUG(10,("add_new_domain_info: setting next available user rid [%s]\n", rid_str));
+ smbldap_set_mod(&mods, LDAP_MOD_ADD,
+ get_attr_key2string(dominfo_attr_list,
+ LDAP_ATTR_NEXT_USERRID),
+ rid_str);
+ }
+
+
+ rc = smbldap_add(ldap_state, dn, mods);
+
+ if (rc!=LDAP_SUCCESS) {
+ char *ld_error = NULL;
+ ldap_get_option(smbldap_get_ldap(ldap_state),
+ LDAP_OPT_ERROR_STRING, &ld_error);
+ DEBUG(1,("add_new_domain_info: failed to add domain dn= %s with: %s\n\t%s\n",
+ dn, ldap_err2string(rc),
+ ld_error?ld_error:"unknown"));
+ SAFE_FREE(ld_error);
+ SAFE_FREE(dn);
+ ldap_mods_free(mods, True);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ DEBUG(2,("add_new_domain_info: added: domain = %s in the LDAP database\n", domain_name));
+ ldap_mods_free(mods, True);
+ SAFE_FREE(dn);
+ return NT_STATUS_OK;
+}
+
+/**********************************************************************
+Search for the domain info entry
+*********************************************************************/
+
+NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
+ LDAPMessage ** result, const char *domain_name,
+ bool try_add)
+{
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ char *filter = NULL;
+ int rc;
+ const char **attr_list;
+ int count;
+ char *escape_domain_name;
+
+ escape_domain_name = escape_ldap_string(talloc_tos(), domain_name);
+ if (!escape_domain_name) {
+ DEBUG(0, ("Out of memory!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
+ LDAP_OBJ_DOMINFO,
+ get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
+ escape_domain_name) < 0) {
+ TALLOC_FREE(escape_domain_name);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ TALLOC_FREE(escape_domain_name);
+
+ DEBUG(2, ("smbldap_search_domain_info: Searching for:[%s]\n", filter));
+
+ attr_list = get_attr_list( NULL, dominfo_attr_list );
+ rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
+ TALLOC_FREE( attr_list );
+
+ if (rc != LDAP_SUCCESS) {
+ DEBUG(2,("smbldap_search_domain_info: Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
+ DEBUG(2,("smbldap_search_domain_info: Query was: %s, %s\n", lp_ldap_suffix(), filter));
+ goto failed;
+ }
+
+ SAFE_FREE(filter);
+
+ count = ldap_count_entries(smbldap_get_ldap(ldap_state), *result);
+
+ if (count == 1) {
+ return NT_STATUS_OK;
+ }
+
+ ldap_msgfree(*result);
+ *result = NULL;
+
+ if (count < 1) {
+
+ DEBUG(3, ("smbldap_search_domain_info: Got no domain info entries for domain\n"));
+
+ if (!try_add)
+ goto failed;
+
+ status = add_new_domain_info(ldap_state, domain_name);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("smbldap_search_domain_info: Adding domain info for %s failed with %s\n",
+ domain_name, nt_errstr(status)));
+ goto failed;
+ }
+
+ status = add_new_domain_account_policies(ldap_state, domain_name);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("smbldap_search_domain_info: Adding domain account policies for %s failed with %s\n",
+ domain_name, nt_errstr(status)));
+ goto failed;
+ }
+
+ return smbldap_search_domain_info(ldap_state, result, domain_name, False);
+
+ }
+
+ if (count > 1 ) {
+
+ DEBUG(0, ("smbldap_search_domain_info: Got too many (%d) domain info entries for domain %s\n",
+ count, domain_name));
+ goto failed;
+ }
+
+failed:
+ return status;
+}