source3/lib/smbldap_util.c

   1 /*
   2    Unix SMB/CIFS mplementation.
   3    LDAP protocol helper functions for SAMBA
   4    Copyright (C) Jean François Micouleau        1998
   5    Copyright (C) Gerald Carter                  2001-2003
   6    Copyright (C) Shahms King                    2001
   7    Copyright (C) Andrew Bartlett                2002-2003
   8    Copyright (C) Stefan (metze) Metzmacher      2002-2003
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23
  24 */
  25
  26 #include "includes.h"
  27 #include "smbldap.h"
  28
  29 /**********************************************************************
  30  Add the account-policies below the sambaDomain object to LDAP,
  31 *********************************************************************/
  32
  33 static NTSTATUS add_new_domain_account_policies(struct smbldap_state *ldap_state,
  34                                                 const char *domain_name)
  35 {
  36         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
  37         int i, rc;
  38         uint32 policy_default;
  39         const char *policy_attr = NULL;
  40         pstring dn;
  41         LDAPMod **mods = NULL;
  42
  43         DEBUG(3,("add_new_domain_account_policies: Adding new account policies for domain\n"));
  44
  45         pstr_sprintf(dn, "%s=%s,%s",
  46                 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
  47                 domain_name, lp_ldap_suffix());
  48
  49         for (i=1; decode_account_policy_name(i) != NULL; i++) {
  50
  51                 pstring val;
  52
  53                 policy_attr = get_account_policy_attr(i);
  54                 if (!policy_attr) {
  55                         DEBUG(0,("add_new_domain_account_policies: ops. no policy!\n"));
  56                         continue;
  57                 }
  58
  59                 if (!account_policy_get_default(i, &policy_default)) {
  60                         DEBUG(0,("add_new_domain_account_policies: failed to get default account policy\n"));
  61                         return ntstatus;
  62                 }
  63
  64                 DEBUG(10,("add_new_domain_account_policies: adding \"%s\" with value: %d\n", policy_attr, policy_default));
  65
  66                 pstr_sprintf(val, "%d", policy_default);
  67
  68                 smbldap_set_mod( &mods, LDAP_MOD_REPLACE, policy_attr, val);
  69
  70                 rc = smbldap_modify(ldap_state, dn, mods);
  71
  72                 if (rc!=LDAP_SUCCESS) {
  73                         char *ld_error = NULL;
  74                         ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
  75                         DEBUG(1,("add_new_domain_account_policies: failed to add account policies to dn= %s with: %s\n\t%s\n",
  76                                 dn, ldap_err2string(rc),
  77                                 ld_error ? ld_error : "unknown"));
  78                         SAFE_FREE(ld_error);
  79                         ldap_mods_free(mods, True);
  80                         return ntstatus;
  81                 }
  82         }
  83
  84         ldap_mods_free(mods, True);
  85
  86         return NT_STATUS_OK;
  87 }
  88
  89 /**********************************************************************
  90  Add the sambaDomain to LDAP, so we don't have to search for this stuff
  91  again.  This is a once-add operation for now.
  92
  93  TODO:  Add other attributes, and allow modification.
  94 *********************************************************************/
  95
  96 static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
  97                                     const char *domain_name)
  98 {
  99         fstring sid_string;
 100         fstring algorithmic_rid_base_string;
 101         pstring filter, dn;
 102         LDAPMod **mods = NULL;
 103         int rc;
 104         LDAPMessage *result = NULL;
 105         int num_result;
 106         const char **attr_list;
 107
 108         slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
 109                   get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
 110                   domain_name, LDAP_OBJ_DOMINFO);
 111
 112         attr_list = get_attr_list( NULL, dominfo_attr_list );
 113         rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
 114         TALLOC_FREE( attr_list );
 115
 116         if (rc != LDAP_SUCCESS) {
 117                 return NT_STATUS_UNSUCCESSFUL;
 118         }
 119
 120         num_result = ldap_count_entries(ldap_state->ldap_struct, result);
 121
 122         if (num_result > 1) {
 123                 DEBUG (0, ("add_new_domain_info: More than domain with that name exists: bailing "
 124                            "out!\n"));
 125                 ldap_msgfree(result);
 126                 return NT_STATUS_UNSUCCESSFUL;
 127         }
 128
 129         /* Check if we need to add an entry */
 130         DEBUG(3,("add_new_domain_info: Adding new domain\n"));
 131
 132         pstr_sprintf(dn, "%s=%s,%s",
 133                      get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
 134                      domain_name, lp_ldap_suffix());
 135
 136         /* Free original search */
 137         ldap_msgfree(result);
 138
 139         /* make the changes - the entry *must* not already have samba
 140          * attributes */
 141
 142         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 143                         get_attr_key2string(dominfo_attr_list,
 144                                             LDAP_ATTR_DOMAIN),
 145                         domain_name);
 146
 147         /* If we don't have an entry, then ask secrets.tdb for what it thinks.
 148            It may choose to make it up */
 149
 150         sid_to_string(sid_string, get_global_sam_sid());
 151         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 152                         get_attr_key2string(dominfo_attr_list,
 153                                             LDAP_ATTR_DOM_SID),
 154                         sid_string);
 155
 156         slprintf(algorithmic_rid_base_string,
 157                  sizeof(algorithmic_rid_base_string) - 1, "%i",
 158                  algorithmic_rid_base());
 159         smbldap_set_mod(&mods, LDAP_MOD_ADD,
 160                         get_attr_key2string(dominfo_attr_list,
 161                                             LDAP_ATTR_ALGORITHMIC_RID_BASE),
 162                         algorithmic_rid_base_string);
 163         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
 164
 165         /* add the sambaNextUserRid attributes. */
 166
 167         {
 168                 uint32 rid = BASE_RID;
 169                 fstring rid_str;
 170
 171                 fstr_sprintf( rid_str, "%i", rid );
 172                 DEBUG(10,("add_new_domain_info: setting next available user rid [%s]\n", rid_str));
 173                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
 174                         get_attr_key2string(dominfo_attr_list,
 175                                             LDAP_ATTR_NEXT_USERRID),
 176                         rid_str);
 177         }
 178
 179
 180         rc = smbldap_add(ldap_state, dn, mods);
 181
 182         if (rc!=LDAP_SUCCESS) {
 183                 char *ld_error = NULL;
 184                 ldap_get_option(ldap_state->ldap_struct,
 185                                 LDAP_OPT_ERROR_STRING, &ld_error);
 186                 DEBUG(1,("add_new_domain_info: failed to add domain dn= %s with: %s\n\t%s\n",
 187                          dn, ldap_err2string(rc),
 188                          ld_error?ld_error:"unknown"));
 189                 SAFE_FREE(ld_error);
 190
 191                 ldap_mods_free(mods, True);
 192                 return NT_STATUS_UNSUCCESSFUL;
 193         }
 194
 195         DEBUG(2,("add_new_domain_info: added: domain = %s in the LDAP database\n", domain_name));
 196         ldap_mods_free(mods, True);
 197         return NT_STATUS_OK;
 198 }
 199
 200 /**********************************************************************
 201 Search for the domain info entry
 202 *********************************************************************/
 203
 204 NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
 205                                     LDAPMessage ** result, const char *domain_name,
 206                                     BOOL try_add)
 207 {
 208         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 209         pstring filter;
 210         int rc;
 211         const char **attr_list;
 212         int count;
 213
 214         pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
 215                 LDAP_OBJ_DOMINFO,
 216                 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
 217                 domain_name);
 218
 219         DEBUG(2, ("smbldap_search_domain_info: Searching for:[%s]\n", filter));
 220
 221         attr_list = get_attr_list( NULL, dominfo_attr_list );
 222         rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
 223         TALLOC_FREE( attr_list );
 224
 225         if (rc != LDAP_SUCCESS) {
 226                 DEBUG(2,("smbldap_search_domain_info: Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
 227                 DEBUG(2,("smbldap_search_domain_info: Query was: %s, %s\n", lp_ldap_suffix(), filter));
 228                 goto failed;
 229         }
 230
 231         count = ldap_count_entries(ldap_state->ldap_struct, *result);
 232
 233         if (count == 1)
 234                 return NT_STATUS_OK;
 235
 236         ldap_msgfree(*result);
 237         *result = NULL;
 238
 239         if (count < 1) {
 240
 241                 DEBUG(3, ("smbldap_search_domain_info: Got no domain info entries for domain\n"));
 242
 243                 if (!try_add)
 244                         goto failed;
 245
 246                 status = add_new_domain_info(ldap_state, domain_name);
 247                 if (!NT_STATUS_IS_OK(status)) {
 248                         DEBUG(0, ("smbldap_search_domain_info: Adding domain info for %s failed with %s\n",
 249                                 domain_name, nt_errstr(status)));
 250                         goto failed;
 251                 }
 252
 253                 status = add_new_domain_account_policies(ldap_state, domain_name);
 254                 if (!NT_STATUS_IS_OK(status)) {
 255                         DEBUG(0, ("smbldap_search_domain_info: Adding domain account policies for %s failed with %s\n",
 256                                 domain_name, nt_errstr(status)));
 257                         goto failed;
 258                 }
 259
 260                 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
 261
 262         }
 263
 264         if (count > 1 ) {
 265
 266                 DEBUG(0, ("smbldap_search_domain_info: Got too many (%d) domain info entries for domain %s\n",
 267                           count, domain_name));
 268                 goto failed;
 269         }
 270
 271 failed:
 272         return status;
 273 }