source/include/smb_ldap.h

   1 /*
   2    Unix SMB/CIFS Implementation.
   3    LDAP protocol helper functions for SAMBA
   4    Copyright (C) Volker Lendecke 2004
   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 _SMB_LDAP_H
  22 #define _SMB_LDAP_H
  23
  24 enum ldap_request_tag {
  25         LDAP_TAG_BindRequest = 0,
  26         LDAP_TAG_BindResponse = 1,
  27         LDAP_TAG_UnbindRequest = 2,
  28         LDAP_TAG_SearchRequest = 3,
  29         LDAP_TAG_SearchResultEntry = 4,
  30         LDAP_TAG_SearchResultDone = 5,
  31         LDAP_TAG_ModifyRequest = 6,
  32         LDAP_TAG_ModifyResponse = 7,
  33         LDAP_TAG_AddRequest = 8,
  34         LDAP_TAG_AddResponse = 9,
  35         LDAP_TAG_DelRequest = 10,
  36         LDAP_TAG_DelResponse = 11,
  37         LDAP_TAG_ModifyDNRequest = 12,
  38         LDAP_TAG_ModifyDNResponse = 13,
  39         LDAP_TAG_CompareRequest = 14,
  40         LDAP_TAG_CompareResponse = 15,
  41         LDAP_TAG_AbandonRequest = 16,
  42         LDAP_TAG_SearchResultReference = 19,
  43         LDAP_TAG_ExtendedRequest = 23,
  44         LDAP_TAG_ExtendedResponse = 24
  45 };
  46
  47 enum ldap_auth_mechanism {
  48         LDAP_AUTH_MECH_SIMPLE = 0,
  49         LDAP_AUTH_MECH_SASL = 3
  50 };
  51
  52 #ifndef LDAP_SUCCESS
  53 enum ldap_result_code {
  54         LDAP_SUCCESS = 0,
  55         LDAP_SASL_BIND_IN_PROGRESS = 0x0e,
  56         LDAP_INVALID_CREDENTIALS = 0x31,
  57         LDAP_OTHER = 0x50
  58 };
  59 #endif /* LDAP_SUCCESS */
  60
  61 struct ldap_Result {
  62         int resultcode;
  63         const char *dn;
  64         const char *errormessage;
  65         const char *referral;
  66 };
  67
  68 struct ldap_attribute {
  69         const char *name;
  70         int num_values;
  71         DATA_BLOB *values;
  72 };
  73
  74 struct ldap_BindRequest {
  75         int version;
  76         const char *dn;
  77         enum ldap_auth_mechanism mechanism;
  78         union {
  79                 const char *password;
  80                 struct {
  81                         const char *mechanism;
  82                         DATA_BLOB secblob;
  83                 } SASL;
  84         } creds;
  85 };
  86
  87 struct ldap_BindResponse {
  88         struct ldap_Result response;
  89         union {
  90                 DATA_BLOB secblob;
  91         } SASL;
  92 };
  93
  94 struct ldap_UnbindRequest {
  95         uint8 __dummy;
  96 };
  97
  98 enum ldap_scope {
  99         LDAP_SEARCH_SCOPE_BASE = 0,
 100         LDAP_SEARCH_SCOPE_SINGLE = 1,
 101         LDAP_SEARCH_SCOPE_SUB = 2
 102 };
 103
 104 enum ldap_deref {
 105         LDAP_DEREFERENCE_NEVER = 0,
 106         LDAP_DEREFERENCE_IN_SEARCHING = 1,
 107         LDAP_DEREFERENCE_FINDING_BASE = 2,
 108         LDAP_DEREFERENCE_ALWAYS
 109 };
 110
 111 struct ldap_SearchRequest {
 112         const char *basedn;
 113         enum ldap_scope scope;
 114         enum ldap_deref deref;
 115         uint32 timelimit;
 116         uint32 sizelimit;
 117         bool attributesonly;
 118         char *filter;
 119         int num_attributes;
 120         const char **attributes;
 121 };
 122
 123 struct ldap_SearchResEntry {
 124         const char *dn;
 125         int num_attributes;
 126         struct ldap_attribute *attributes;
 127 };
 128
 129 struct ldap_SearchResRef {
 130         int num_referrals;
 131         const char **referrals;
 132 };
 133
 134 enum ldap_modify_type {
 135         LDAP_MODIFY_NONE = -1,
 136         LDAP_MODIFY_ADD = 0,
 137         LDAP_MODIFY_DELETE = 1,
 138         LDAP_MODIFY_REPLACE = 2
 139 };
 140
 141 struct ldap_mod {
 142         enum ldap_modify_type type;
 143         struct ldap_attribute attrib;
 144 };
 145
 146 struct ldap_ModifyRequest {
 147         const char *dn;
 148         int num_mods;
 149         struct ldap_mod *mods;
 150 };
 151
 152 struct ldap_AddRequest {
 153         const char *dn;
 154         int num_attributes;
 155         struct ldap_attribute *attributes;
 156 };
 157
 158 struct ldap_DelRequest {
 159         const char *dn;
 160 };
 161
 162 struct ldap_ModifyDNRequest {
 163         const char *dn;
 164         const char *newrdn;
 165         bool deleteolddn;
 166         const char *newsuperior;
 167 };
 168
 169 struct ldap_CompareRequest {
 170         const char *dn;
 171         const char *attribute;
 172         const char *value;
 173 };
 174
 175 struct ldap_AbandonRequest {
 176         uint32 messageid;
 177 };
 178
 179 struct ldap_ExtendedRequest {
 180         const char *oid;
 181         DATA_BLOB value;
 182 };
 183
 184 struct ldap_ExtendedResponse {
 185         struct ldap_Result response;
 186         const char *name;
 187         DATA_BLOB value;
 188 };
 189
 190 union ldap_Request {
 191         struct ldap_BindRequest         BindRequest;
 192         struct ldap_BindResponse        BindResponse;
 193         struct ldap_UnbindRequest       UnbindRequest;
 194         struct ldap_SearchRequest       SearchRequest;
 195         struct ldap_SearchResEntry      SearchResultEntry;
 196         struct ldap_Result              SearchResultDone;
 197         struct ldap_SearchResRef        SearchResultReference;
 198         struct ldap_ModifyRequest       ModifyRequest;
 199         struct ldap_Result              ModifyResponse;
 200         struct ldap_AddRequest          AddRequest;
 201         struct ldap_Result              AddResponse;
 202         struct ldap_DelRequest          DelRequest;
 203         struct ldap_Result              DelResponse;
 204         struct ldap_ModifyDNRequest     ModifyDNRequest;
 205         struct ldap_Result              ModifyDNResponse;
 206         struct ldap_CompareRequest      CompareRequest;
 207         struct ldap_Result              CompareResponse;
 208         struct ldap_AbandonRequest      AbandonRequest;
 209         struct ldap_ExtendedRequest     ExtendedRequest;
 210         struct ldap_ExtendedResponse    ExtendedResponse;
 211 };
 212
 213 struct ldap_Control {
 214         const char *oid;
 215         bool        critical;
 216         DATA_BLOB   value;
 217 };
 218
 219 struct ldap_message {
 220         TALLOC_CTX             *mem_ctx;
 221         uint32                  messageid;
 222         uint8                   type;
 223         union  ldap_Request     r;
 224         int                     num_controls;
 225         struct ldap_Control    *controls;
 226 };
 227
 228 struct ldap_queue_entry {
 229         struct ldap_queue_entry *next, *prev;
 230         int msgid;
 231         struct ldap_message *msg;
 232 };
 233
 234 struct ldap_connection {
 235         TALLOC_CTX *mem_ctx;
 236         int sock;
 237         int next_msgid;
 238         char *host;
 239         uint16 port;
 240         bool ldaps;
 241
 242         const char *auth_dn;
 243         const char *simple_pw;
 244
 245         /* Current outstanding search entry */
 246         int searchid;
 247
 248         /* List for incoming search entries */
 249         struct ldap_queue_entry *search_entries;
 250
 251         /* Outstanding LDAP requests that have not yet been replied to */
 252         struct ldap_queue_entry *outstanding;
 253 };
 254
 255 #endif