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 2 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, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19
  20 */
  21
  22 #ifndef _SMB_LDAP_H
  23 #define _SMB_LDAP_H
  24
  25 enum ldap_request_tag {
  26         LDAP_TAG_BindRequest = 0,
  27         LDAP_TAG_BindResponse = 1,
  28         LDAP_TAG_UnbindRequest = 2,
  29         LDAP_TAG_SearchRequest = 3,
  30         LDAP_TAG_SearchResultEntry = 4,
  31         LDAP_TAG_SearchResultDone = 5,
  32         LDAP_TAG_ModifyRequest = 6,
  33         LDAP_TAG_ModifyResponse = 7,
  34         LDAP_TAG_AddRequest = 8,
  35         LDAP_TAG_AddResponse = 9,
  36         LDAP_TAG_DelRequest = 10,
  37         LDAP_TAG_DelResponse = 11,
  38         LDAP_TAG_ModifyDNRequest = 12,
  39         LDAP_TAG_ModifyDNResponse = 13,
  40         LDAP_TAG_CompareRequest = 14,
  41         LDAP_TAG_CompareResponse = 15,
  42         LDAP_TAG_AbandonRequest = 16,
  43         LDAP_TAG_SearchResultReference = 19,
  44         LDAP_TAG_ExtendedRequest = 23,
  45         LDAP_TAG_ExtendedResponse = 24
  46 };
  47
  48 enum ldap_auth_mechanism {
  49         LDAP_AUTH_MECH_SIMPLE = 0,
  50         LDAP_AUTH_MECH_SASL = 3
  51 };
  52
  53 #ifndef LDAP_SUCCESS
  54 enum ldap_result_code {
  55         LDAP_SUCCESS = 0,
  56         LDAP_SASL_BIND_IN_PROGRESS = 0x0e,
  57         LDAP_INVALID_CREDENTIALS = 0x31,
  58         LDAP_OTHER = 0x50
  59 };
  60 #endif /* LDAP_SUCCESS */
  61
  62 struct ldap_Result {
  63         int resultcode;
  64         const char *dn;
  65         const char *errormessage;
  66         const char *referral;
  67 };
  68
  69 struct ldap_attribute {
  70         const char *name;
  71         int num_values;
  72         DATA_BLOB *values;
  73 };
  74
  75 struct ldap_BindRequest {
  76         int version;
  77         const char *dn;
  78         enum ldap_auth_mechanism mechanism;
  79         union {
  80                 const char *password;
  81                 struct {
  82                         const char *mechanism;
  83                         DATA_BLOB secblob;
  84                 } SASL;
  85         } creds;
  86 };
  87
  88 struct ldap_BindResponse {
  89         struct ldap_Result response;
  90         union {
  91                 DATA_BLOB secblob;
  92         } SASL;
  93 };
  94
  95 struct ldap_UnbindRequest {
  96         uint8 __dummy;
  97 };
  98
  99 enum ldap_scope {
 100         LDAP_SEARCH_SCOPE_BASE = 0,
 101         LDAP_SEARCH_SCOPE_SINGLE = 1,
 102         LDAP_SEARCH_SCOPE_SUB = 2
 103 };
 104
 105 enum ldap_deref {
 106         LDAP_DEREFERENCE_NEVER = 0,
 107         LDAP_DEREFERENCE_IN_SEARCHING = 1,
 108         LDAP_DEREFERENCE_FINDING_BASE = 2,
 109         LDAP_DEREFERENCE_ALWAYS
 110 };
 111
 112 struct ldap_SearchRequest {
 113         const char *basedn;
 114         enum ldap_scope scope;
 115         enum ldap_deref deref;
 116         uint32 timelimit;
 117         uint32 sizelimit;
 118         BOOL attributesonly;
 119         char *filter;
 120         int num_attributes;
 121         const char **attributes;
 122 };
 123
 124 struct ldap_SearchResEntry {
 125         const char *dn;
 126         int num_attributes;
 127         struct ldap_attribute *attributes;
 128 };
 129
 130 struct ldap_SearchResRef {
 131         int num_referrals;
 132         const char **referrals;
 133 };
 134
 135 enum ldap_modify_type {
 136         LDAP_MODIFY_NONE = -1,
 137         LDAP_MODIFY_ADD = 0,
 138         LDAP_MODIFY_DELETE = 1,
 139         LDAP_MODIFY_REPLACE = 2
 140 };
 141
 142 struct ldap_mod {
 143         enum ldap_modify_type type;
 144         struct ldap_attribute attrib;
 145 };
 146
 147 struct ldap_ModifyRequest {
 148         const char *dn;
 149         int num_mods;
 150         struct ldap_mod *mods;
 151 };
 152
 153 struct ldap_AddRequest {
 154         const char *dn;
 155         int num_attributes;
 156         struct ldap_attribute *attributes;
 157 };
 158
 159 struct ldap_DelRequest {
 160         const char *dn;
 161 };
 162
 163 struct ldap_ModifyDNRequest {
 164         const char *dn;
 165         const char *newrdn;
 166         BOOL deleteolddn;
 167         const char *newsuperior;
 168 };
 169
 170 struct ldap_CompareRequest {
 171         const char *dn;
 172         const char *attribute;
 173         const char *value;
 174 };
 175
 176 struct ldap_AbandonRequest {
 177         uint32 messageid;
 178 };
 179
 180 struct ldap_ExtendedRequest {
 181         const char *oid;
 182         DATA_BLOB value;
 183 };
 184
 185 struct ldap_ExtendedResponse {
 186         struct ldap_Result response;
 187         const char *name;
 188         DATA_BLOB value;
 189 };
 190
 191 union ldap_Request {
 192         struct ldap_BindRequest         BindRequest;
 193         struct ldap_BindResponse        BindResponse;
 194         struct ldap_UnbindRequest       UnbindRequest;
 195         struct ldap_SearchRequest       SearchRequest;
 196         struct ldap_SearchResEntry      SearchResultEntry;
 197         struct ldap_Result              SearchResultDone;
 198         struct ldap_SearchResRef        SearchResultReference;
 199         struct ldap_ModifyRequest       ModifyRequest;
 200         struct ldap_Result              ModifyResponse;
 201         struct ldap_AddRequest          AddRequest;
 202         struct ldap_Result              AddResponse;
 203         struct ldap_DelRequest          DelRequest;
 204         struct ldap_Result              DelResponse;
 205         struct ldap_ModifyDNRequest     ModifyDNRequest;
 206         struct ldap_Result              ModifyDNResponse;
 207         struct ldap_CompareRequest      CompareRequest;
 208         struct ldap_Result              CompareResponse;
 209         struct ldap_AbandonRequest      AbandonRequest;
 210         struct ldap_ExtendedRequest     ExtendedRequest;
 211         struct ldap_ExtendedResponse    ExtendedResponse;
 212 };
 213
 214 struct ldap_Control {
 215         const char *oid;
 216         BOOL        critical;
 217         DATA_BLOB   value;
 218 };
 219
 220 struct ldap_message {
 221         TALLOC_CTX             *mem_ctx;
 222         uint32                  messageid;
 223         uint8                   type;
 224         union  ldap_Request     r;
 225         int                     num_controls;
 226         struct ldap_Control    *controls;
 227 };
 228
 229 struct ldap_queue_entry {
 230         struct ldap_queue_entry *next, *prev;
 231         int msgid;
 232         struct ldap_message *msg;
 233 };
 234
 235 struct ldap_connection {
 236         TALLOC_CTX *mem_ctx;
 237         int sock;
 238         int next_msgid;
 239         char *host;
 240         uint16 port;
 241         BOOL ldaps;
 242
 243         const char *auth_dn;
 244         const char *simple_pw;
 245
 246         /* Current outstanding search entry */
 247         int searchid;
 248
 249         /* List for incoming search entries */
 250         struct ldap_queue_entry *search_entries;
 251
 252         /* Outstanding LDAP requests that have not yet been replied to */
 253         struct ldap_queue_entry *outstanding;
 254 };
 255
 256 #endif