source3/include/smbldap.h

   1 /*
   2    Unix SMB/CIFS mplementation.
   3    LDAP protocol helper functions for SAMBA
   4    Copyright (C) Gerald Carter                  2001-2003
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #ifndef _SMBLDAP_H
  22 #define _SMBLDAP_H
  23
  24 struct smbldap_state;
  25
  26 #ifdef HAVE_LDAP
  27
  28 /* specify schema versions between 2.2. and 3.0 */
  29
  30 #define SCHEMAVER_SAMBAACCOUNT          1
  31 #define SCHEMAVER_SAMBASAMACCOUNT       2
  32
  33 /* objectclass names */
  34
  35 #define LDAP_OBJ_SAMBASAMACCOUNT        "sambaSamAccount"
  36 #define LDAP_OBJ_SAMBAACCOUNT           "sambaAccount"
  37 #define LDAP_OBJ_GROUPMAP               "sambaGroupMapping"
  38 #define LDAP_OBJ_DOMINFO                "sambaDomain"
  39 #define LDAP_OBJ_IDPOOL                 "sambaUnixIdPool"
  40 #define LDAP_OBJ_IDMAP_ENTRY            "sambaIdmapEntry"
  41 #define LDAP_OBJ_SID_ENTRY              "sambaSidEntry"
  42 #define LDAP_OBJ_TRUST_PASSWORD         "sambaTrustPassword"
  43 #define LDAP_OBJ_TRUSTDOM_PASSWORD      "sambaTrustedDomainPassword"
  44
  45 #define LDAP_OBJ_ACCOUNT                "account"
  46 #define LDAP_OBJ_POSIXACCOUNT           "posixAccount"
  47 #define LDAP_OBJ_POSIXGROUP             "posixGroup"
  48 #define LDAP_OBJ_OU                     "organizationalUnit"
  49
  50 /* some generic attributes that get reused a lot */
  51
  52 #define LDAP_ATTRIBUTE_SID              "sambaSID"
  53 #define LDAP_ATTRIBUTE_UIDNUMBER        "uidNumber"
  54 #define LDAP_ATTRIBUTE_GIDNUMBER        "gidNumber"
  55 #define LDAP_ATTRIBUTE_SID_LIST         "sambaSIDList"
  56
  57 /* attribute map table indexes */
  58
  59 #define LDAP_ATTR_LIST_END              0
  60 #define LDAP_ATTR_UID                   1
  61 #define LDAP_ATTR_UIDNUMBER             2
  62 #define LDAP_ATTR_GIDNUMBER             3
  63 #define LDAP_ATTR_UNIX_HOME             4
  64 #define LDAP_ATTR_PWD_LAST_SET          5
  65 #define LDAP_ATTR_PWD_CAN_CHANGE        6
  66 #define LDAP_ATTR_PWD_MUST_CHANGE       7
  67 #define LDAP_ATTR_LOGON_TIME            8
  68 #define LDAP_ATTR_LOGOFF_TIME           9
  69 #define LDAP_ATTR_KICKOFF_TIME          10
  70 #define LDAP_ATTR_CN                    11
  71 #define LDAP_ATTR_DISPLAY_NAME          12
  72 #define LDAP_ATTR_HOME_PATH             13
  73 #define LDAP_ATTR_LOGON_SCRIPT          14
  74 #define LDAP_ATTR_PROFILE_PATH          15
  75 #define LDAP_ATTR_DESC                  16
  76 #define LDAP_ATTR_USER_WKS              17
  77 #define LDAP_ATTR_USER_SID              18
  78 #define LDAP_ATTR_USER_RID              18
  79 #define LDAP_ATTR_PRIMARY_GROUP_SID     19
  80 #define LDAP_ATTR_PRIMARY_GROUP_RID     20
  81 #define LDAP_ATTR_LMPW                  21
  82 #define LDAP_ATTR_NTPW                  22
  83 #define LDAP_ATTR_DOMAIN                23
  84 #define LDAP_ATTR_OBJCLASS              24
  85 #define LDAP_ATTR_ACB_INFO              25
  86 #define LDAP_ATTR_NEXT_USERRID          26
  87 #define LDAP_ATTR_NEXT_GROUPRID         27
  88 #define LDAP_ATTR_DOM_SID               28
  89 #define LDAP_ATTR_HOME_DRIVE            29
  90 #define LDAP_ATTR_GROUP_SID             30
  91 #define LDAP_ATTR_GROUP_TYPE            31
  92 #define LDAP_ATTR_SID                   32
  93 #define LDAP_ATTR_ALGORITHMIC_RID_BASE  33
  94 #define LDAP_ATTR_NEXT_RID              34
  95 #define LDAP_ATTR_BAD_PASSWORD_COUNT    35
  96 #define LDAP_ATTR_LOGON_COUNT           36
  97 #define LDAP_ATTR_MUNGED_DIAL           37
  98 #define LDAP_ATTR_BAD_PASSWORD_TIME     38
  99 #define LDAP_ATTR_PWD_HISTORY           39
 100 #define LDAP_ATTR_SID_LIST              40
 101 #define LDAP_ATTR_MOD_TIMESTAMP         41
 102 #define LDAP_ATTR_LOGON_HOURS           42
 103 #define LDAP_ATTR_TRUST_PASSWD_FLAGS    43
 104 #define LDAP_ATTR_SN                    44
 105
 106
 107 typedef struct _attrib_map_entry {
 108         int             attrib;
 109         const char      *name;
 110 } ATTRIB_MAP_ENTRY;
 111
 112
 113 /* structures */
 114
 115 extern ATTRIB_MAP_ENTRY attrib_map_v22[];
 116 extern ATTRIB_MAP_ENTRY attrib_map_to_delete_v22[];
 117 extern ATTRIB_MAP_ENTRY attrib_map_v30[];
 118 extern ATTRIB_MAP_ENTRY attrib_map_to_delete_v30[];
 119 extern ATTRIB_MAP_ENTRY dominfo_attr_list[];
 120 extern ATTRIB_MAP_ENTRY groupmap_attr_list[];
 121 extern ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[];
 122 extern ATTRIB_MAP_ENTRY idpool_attr_list[];
 123 extern ATTRIB_MAP_ENTRY sidmap_attr_list[];
 124 extern ATTRIB_MAP_ENTRY trustpw_attr_list[];
 125
 126
 127 /* Function declarations -- not included in proto.h so we don't
 128    have to worry about LDAP structure types */
 129
 130 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx,
 131                       struct event_context *event_ctx,
 132                       const char *location,
 133                       struct smbldap_state **smbldap_state);
 134
 135 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key );
 136 const char** get_attr_list( TALLOC_CTX *mem_ctx, ATTRIB_MAP_ENTRY table[] );
 137 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value);
 138 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
 139                       LDAPMod ***mods,
 140                       const char *attribute, const char *newval);
 141 bool smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
 142                                    const char *attribute, char *value,
 143                                    int max_len);
 144 int smbldap_modify(struct smbldap_state *ldap_state,
 145                    const char *dn,
 146                    LDAPMod *attrs[]);
 147
 148 /**
 149  * Struct to keep the state for all the ldap stuff
 150  *
 151  */
 152
 153 struct smbldap_state {
 154         LDAP *ldap_struct;
 155         pid_t pid;
 156         time_t last_ping;
 157         /* retrive-once info */
 158         const char *uri;
 159
 160         /* credentials */
 161         bool anonymous;
 162         char *bind_dn;
 163         char *bind_secret;
 164
 165         bool paged_results;
 166
 167         unsigned int num_failures;
 168
 169         time_t last_use;
 170         struct event_context *event_context;
 171         struct timed_event *idle_event;
 172
 173         struct timeval last_rebind;
 174 };
 175
 176 /* struct used by both pdb_ldap.c and pdb_nds.c */
 177
 178 struct ldapsam_privates {
 179         struct smbldap_state *smbldap_state;
 180
 181         /* Former statics */
 182         LDAPMessage *result;
 183         LDAPMessage *entry;
 184         int index;
 185
 186         const char *domain_name;
 187         DOM_SID domain_sid;
 188
 189         /* configuration items */
 190         int schema_ver;
 191
 192         char *domain_dn;
 193
 194         /* Is this NDS ldap? */
 195         int is_nds_ldap;
 196
 197         /* ldap server location parameter */
 198         char *location;
 199
 200         struct {
 201                 char *filter;
 202                 LDAPMessage *result;
 203         } search_cache;
 204 };
 205
 206 /* Functions shared between pdb_ldap.c and pdb_nds.c. */
 207 NTSTATUS pdb_init_ldapsam_compat( struct pdb_methods **pdb_method, const char *location);
 208 void private_data_free_fn(void **result);
 209 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
 210                                   const char *user,
 211                                   LDAPMessage ** result,
 212                                   const char **attr);
 213 NTSTATUS pdb_init_ldapsam( struct pdb_methods **pdb_method, const char *location);
 214 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver );
 215
 216 char * smbldap_talloc_single_attribute(LDAP *ldap_struct, LDAPMessage *entry,
 217                                        const char *attribute,
 218                                        TALLOC_CTX *mem_ctx);
 219 char * smbldap_talloc_first_attribute(LDAP *ldap_struct, LDAPMessage *entry,
 220                                       const char *attribute,
 221                                       TALLOC_CTX *mem_ctx);
 222 char * smbldap_talloc_smallest_attribute(LDAP *ldap_struct, LDAPMessage *entry,
 223                                          const char *attribute,
 224                                          TALLOC_CTX *mem_ctx);
 225 bool smbldap_talloc_single_blob(TALLOC_CTX *mem_ctx, LDAP *ld,
 226                                 LDAPMessage *msg, const char *attrib,
 227                                 DATA_BLOB *blob);
 228 bool smbldap_pull_sid(LDAP *ld, LDAPMessage *msg, const char *attrib,
 229                       struct dom_sid *sid);
 230 void talloc_autofree_ldapmsg(TALLOC_CTX *mem_ctx, LDAPMessage *result);
 231 void talloc_autofree_ldapmod(TALLOC_CTX *mem_ctx, LDAPMod **mod);
 232 char *smbldap_talloc_dn(TALLOC_CTX *mem_ctx, LDAP *ld,
 233                               LDAPMessage *entry);
 234
 235
 236 #else
 237 #define LDAP void
 238 #define LDAPMod void
 239 #define LDAP_CONST const
 240 #define LDAPControl void
 241 struct berval;
 242 struct ldapsam_privates;
 243 #endif  /* HAVE_LDAP */
 244
 245 #define LDAP_DEFAULT_TIMEOUT   15
 246 #define LDAP_CONNECTION_DEFAULT_TIMEOUT 2
 247 #define LDAP_PAGE_SIZE 1024
 248
 249 #endif  /* _SMBLDAP_H */