rbac.h revision 1.3 1 /* $NetBSD: rbac.h,v 1.3 2025/09/05 21:16:18 christos Exp $ */
2
3 /* rbac.h - */
4 /* $OpenLDAP$ */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 1999-2024 The OpenLDAP Foundation.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
12 * Public License.
13 *
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
17 */
18 /* ACKNOWLEDGEMENTS:
19 *
20 */
21
22 #ifndef RBAC_H
23 #define RBAC_H
24
25 LDAP_BEGIN_DECL
26
27 #include "ldap_rbac.h"
28
29 #define USE_NEW_THREAD_CONTEXT 1
30 #define RBAC_BUFLEN 1024
31
32 /* tenant initialization op */
33 #define INIT_AUDIT_CONTAINER 0x01
34 #define INIT_SESSION_CONTAINER 0x02
35
36 typedef struct rbac_ad {
37 int type;
38 struct berval attr;
39 AttributeDescription **ad;
40 } rbac_ad_t;
41
42 /* RBAC AttributeDescriptions */
43 struct slap_rbac_internal_schema {
44 /* slapd schema */
45 AttributeDescription *ad_uid;
46
47 /* RBAC tenant */
48 AttributeDescription *ad_tenant_id;
49
50 /* RBAC sessions */
51 AttributeDescription *ad_session_id;
52 AttributeDescription *ad_session_user_dn;
53 AttributeDescription *ad_session_roles;
54 AttributeDescription *ad_session_role_constraints;
55
56 /* RBAC session permissions */
57 AttributeDescription *ad_permission_opname;
58 AttributeDescription *ad_permission_objname;
59 AttributeDescription *ad_permission_rolename;
60
61 /* RBAC audit */
62 AttributeDescription *ad_audit_op; /* rbac op: create_session */
63 AttributeDescription *ad_audit_id;
64 AttributeDescription *ad_audit_roles;
65 AttributeDescription *ad_audit_requested_roles;
66 AttributeDescription *ad_audit_timestamp;
67 AttributeDescription *ad_audit_resources;
68 AttributeDescription *ad_audit_objects;
69 AttributeDescription *ad_audit_operations; /* resource ops */
70 AttributeDescription *ad_audit_result;
71 AttributeDescription *ad_audit_properties;
72 AttributeDescription *ad_audit_messages;
73
74 /* RBAC session attributes */
75 AttributeName *session_attrs;
76 };
77
78 extern struct slap_rbac_internal_schema slap_rbac_schema;
79
80 /* attributes in tenant repository */
81 struct slap_rbac_tenant_schema {
82 /* user role assignments, role constraints, and user constraint */
83 AttributeDescription *ad_role;
84 AttributeDescription *ad_role_constraint;
85 AttributeDescription *ad_user_constraint;
86 AttributeDescription *ad_uid;
87
88 /* session permission */
89 AttributeDescription *ad_permission_users;
90 AttributeDescription *ad_permission_roles;
91 AttributeDescription *ad_permission_objname;
92 AttributeDescription *ad_permission_opname;
93
94 /* the list of attributes when doing searches in the jts repo */
95 AttributeName *user_attrs;
96 AttributeName *perm_attrs; /* attrs to retrieve for check access */
97 AttributeName *session_perm_attrs; /* attrs for session permissions */
98
99 /* the corresponding list of attribute description mapping */
100 rbac_ad_t *user_ads;
101 rbac_ad_t *permission_ads;
102 rbac_ad_t *session_permissions_ads;
103 };
104
105 extern struct slap_rbac_tenant_schema slap_rbac_jts_schema;
106
107 /* types of RBAC requests */
108 typedef struct rbac_request {
109 int req_type;
110 struct berval sessid;
111 struct berval tenantid;
112
113 /* session creation */
114 struct berval uid;
115 struct berval authtok;
116 BerVarray roles;
117 struct berval role;
118
119 /* check access */
120 struct berval opname;
121 struct berval objname;
122 struct berval objid;
123 } rbac_req_t;
124
125 typedef struct rbac_constraint {
126 struct berval name; /* user name or role name */
127 int allowed_inactivity; /* secs */
128 int begin_time; /* secs */
129 int end_time; /* secs */
130 lutil_timet begin_date;
131 lutil_timet end_date;
132 lutil_timet begin_lock_date;
133 lutil_timet end_lock_date;
134 int day_mask;
135 struct rbac_constraint *next;
136 } rbac_constraint_t;
137
138 /* holds RBAC info */
139 typedef struct tenant_info {
140 struct berval tid; /* tenant id */
141 struct berval admin;
142 struct berval pwd;
143 struct berval users_basedn;
144 struct berval roles_basedn;
145 struct berval audit_basedn;
146 struct berval permissions_basedn;
147 struct berval sessions_basedn;
148 struct berval session_admin;
149 struct berval session_admin_pwd;
150 struct slap_rbac_tenant_schema *schema;
151 } tenant_info_t;
152
153 typedef struct rbac_tenant {
154 tenant_info_t tenant_info;
155 struct rbac_tenant *next;
156 } rbac_tenant_t;
157
158 /* for RBAC callback */
159 typedef struct rbac_callback_info {
160 tenant_info_t *tenantp;
161 void *private;
162 } rbac_callback_info_t;
163
164 /* RBAC user */
165 typedef struct rbac_user {
166 struct berval tenantid;
167 struct berval uid;
168 struct berval dn;
169 struct berval constraints;
170 struct berval password;
171 struct berval msg;
172 int authz; /* flag for bind (pwd policy) info */
173 BerVarray roles;
174 BerVarray role_constraints;
175 #if 0 /* additional parameters from Fortress */
176 private String userId;
177 @XmlElement(nillable = true)
178 private char[] password;
179 @XmlElement(nillable = true)
180 private char[] newPassword;
181 private String internalId;
182 @XmlElement(nillable = true)
183 private List<UserRole> roles;
184 @XmlElement(nillable = true)
185 private List<UserAdminRole> adminRoles;
186 private String pwPolicy;
187 private String cn;
188 private String sn;
189 private String dn;
190 private String ou;
191 private String description;
192 private String beginTime;
193 private String endTime;
194 private String beginDate;
195 private String endDate;
196 private String beginLockDate;
197 private String endLockDate;
198 private String dayMask;
199 private String name;
200 private int timeout;
201 private boolean reset;
202 private boolean locked;
203 private Boolean system;
204 @XmlElement(nillable = true)
205 private Props props = new Props();
206 @XmlElement(nillable = true)
207 private Address address;
208 @XmlElement(nillable = true)
209 private List<String> phones;
210 @XmlElement(nillable = true)
211 private List<String> mobiles;
212 @XmlElement(nillable = true)
213 private List<String> emails;
214 #endif /* 0 */
215 } rbac_user_t;
216
217 enum {
218 RBAC_NONE = 0,
219 RBAC_TENANT,
220 RBAC_TENANT_ID,
221 RBAC_USERS_BASE_DN,
222 RBAC_ROLES_BASE_DN,
223 RBAC_PERMISSIONS_BASE_DN,
224 RBAC_ADMIN_DN,
225 RBAC_ADMIN_PWD,
226 RBAC_SESSIONS_BASE_DN,
227 RBAC_SESSION_ADMIN_DN,
228 RBAC_SESSION_ADMIN_PWD,
229 RBAC_ROLE_ASSIGNMENT,
230 RBAC_ROLE_CONSTRAINTS,
231 RBAC_USER_CONSTRAINTS,
232 RBAC_UID,
233 RBAC_USERS,
234 RBAC_ROLES,
235 RBAC_OBJ_NAME,
236 RBAC_OP_NAME,
237 RBAC_ROLE_NAME,
238 RBAC_SESSION_ID,
239 RBAC_USER_DN,
240 RBAC_AUDIT_ROLES,
241 RBAC_AUDIT_RESOURCES,
242 RBAC_AUDIT_RESULT,
243 RBAC_AUDIT_TIMESTAMP,
244 RBAC_AUDIT_PROPERTIES,
245 RBAC_AUDIT_OP,
246 RBAC_AUDIT_ID,
247 RBAC_AUDIT_REQUESTED_ROLES,
248 RBAC_AUDIT_OBJS,
249 RBAC_AUDIT_OPS,
250 RBAC_AUDIT_MSGS,
251 RBAC_LAST
252 };
253
254 enum {
255 RBAC_DEFAULT_TENANT_ID = RBAC_LAST,
256 RBAC_DEFAULT_USERS_BASE_DN,
257 RBAC_DEFAULT_PERMISSIONS_BASE_DN,
258 RBAC_DEFAULT_ROLES_BASE_DN,
259 RBAC_DEFAULT_SESSIONS_BASE_DN,
260 RBAC_DEFAULT_AUDIT_BASE_DN
261 };
262
263 typedef struct rbac_user_idlist {
264 char *user_id;
265 struct rbac_user_idlist *next;
266 } rbac_user_idlist_t;
267
268 /* RBAC sessions */
269 #define RBAC_SESSION_RDN_EQ "rbacSessid="
270 #define RBAC_AUDIT_RDN_EQ "rbacAuditId="
271
272 typedef struct rbac_session {
273 rbac_user_t *user;
274 struct berval tenantid;
275 struct berval sessid;
276 struct berval uid;
277 struct berval userdn;
278 char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
279 struct berval sessdn;
280 long last_access;
281 int timeout;
282 int warning_id;
283 int error_id;
284 int grace_logins;
285 int expiration_secs;
286 int is_authenticated; /* boolean */
287 struct berval message;
288 BerVarray roles;
289 BerVarray role_constraints;
290 } rbac_session_t;
291
292 /* RBAC roles */
293 typedef struct rbac_role {
294 char *name;
295 char *description;
296 struct rbac_role *parent;
297 struct rbac_role *next;
298 } rbac_role_t;
299
300 typedef struct rbac_role_list {
301 char *name;
302 struct rbac_role_list *next;
303 } rbac_role_list_t;
304
305 /* RBAC permissions */
306 typedef struct rbac_permission {
307 struct berval dn;
308 int admin; /* boolean */
309 struct berval internalId;
310 BerVarray opName;
311 BerVarray objName;
312 struct berval objectId;
313 struct berval abstractName;
314 struct berval type;
315 BerVarray roles;
316 BerVarray uids;
317 struct rbac_permission *next;
318 } rbac_permission_t;
319
320 /* RBAC Audit */
321 typedef enum {
322 CreateSession = 0,
323 CheckAccess,
324 AddActiveRole,
325 DropActiveRole,
326 SessionPermissions,
327 DeleteSession,
328 SessionRoles
329 } audit_op_t;
330
331 /* function prototypes */
332
333 int rbac_initialize_repository( void );
334 int rbac_initialize_tenants( BackendDB *be, ConfigReply *cr );
335
336 /* RBAC tenant information */
337 tenant_info_t *rbac_tid2tenant( struct berval *tid );
338
339 rbac_req_t *rbac_alloc_req( int type );
340 void rbac_free_req( rbac_req_t *reqp );
341
342 rbac_user_t *rbac_read_user( Operation *op, rbac_req_t *rabc_reqp );
343 int rbac_authenticate_user( Operation *op, rbac_user_t *user );
344 int rbac_user_temporal_constraint( rbac_user_t *userp );
345 void rbac_free_user( rbac_user_t *user );
346
347 rbac_session_t *rbac_alloc_session( void );
348 int rbac_is_valid_session_id( struct berval *sessid );
349 rbac_session_t *rbac_session_byid( Operation *op, rbac_req_t *reqp );
350 int rbac_is_session_owner( rbac_session_t *sessp, rbac_req_t *reqp );
351 int rbac_register_session( Operation *op, SlapReply *rs, rbac_session_t *sess );
352 int rbac_int_delete_session( Operation *op, rbac_session_t *sessp );
353 int rbac_session_add_role(
354 Operation *op,
355 rbac_session_t *sessp,
356 rbac_req_t *reqp );
357 int rbac_session_drop_role(
358 Operation *op,
359 rbac_session_t *sessp,
360 rbac_req_t *reqp );
361 int rbac_int_session_permissions(
362 Operation *op,
363 SlapReply *rs,
364 rbac_req_t *reqp,
365 rbac_session_t *sessp );
366 int activate_session_roles(
367 rbac_session_t *sessp,
368 rbac_req_t *reqp,
369 rbac_user_t *userp );
370 void rbac_free_session( rbac_session_t *sessp );
371
372 rbac_constraint_t *rbac_user_role_constraints( BerVarray values );
373 rbac_constraint_t *rbac_role2constraint(
374 struct berval *role,
375 rbac_constraint_t *role_constraints );
376 rbac_constraint_t *rbac_bv2constraint( struct berval *bv );
377 int rbac_check_time_constraint( rbac_constraint_t *cp );
378 void rbac_free_constraint( rbac_constraint_t *cp );
379 void rbac_free_constraints( rbac_constraint_t *constraints );
380
381 rbac_permission_t *rbac_read_permission( Operation *op, rbac_req_t *rbac_reqp );
382 int rbac_check_session_permission(
383 rbac_session_t *sessp,
384 rbac_permission_t *permp,
385 rbac_constraint_t *role_constraints );
386 void rbac_free_permission( rbac_permission_t *permp );
387
388 /* audit functions */
389 void rbac_audit(
390 Operation *op,
391 audit_op_t rbac_op,
392 rbac_session_t *sessp,
393 rbac_req_t *reqp,
394 int result,
395 char *msg );
396
397 /* acl functions */
398 int rbac_create_session_acl_check( struct berval *sessid, rbac_user_t *userp );
399
400 void rbac_to_lower( struct berval *bv );
401
402 LDAP_END_DECL
403
404 #endif /* RBAC_H */
405