add.c revision 1.2
1 /* $NetBSD: add.c,v 1.2 2021/08/14 16:15:02 christos Exp $ */ 2 3 /* OpenLDAP WiredTiger backend */ 4 /* $OpenLDAP$ */ 5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 2002-2021 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 * This work was developed by HAMANO Tsukasa <hamano (at) osstech.co.jp> 20 * based on back-bdb for inclusion in OpenLDAP Software. 21 * WiredTiger is a product of MongoDB Inc. 22 */ 23 24 #include <sys/cdefs.h> 25 __RCSID("$NetBSD: add.c,v 1.2 2021/08/14 16:15:02 christos Exp $"); 26 27 #include "portable.h" 28 29 #include <stdio.h> 30 #include "back-wt.h" 31 #include "slap-config.h" 32 33 int 34 wt_add( Operation *op, SlapReply *rs ) 35 { 36 struct wt_info *wi = (struct wt_info *) op->o_bd->be_private; 37 struct berval pdn; 38 char textbuf[SLAP_TEXT_BUFLEN]; 39 size_t textlen = sizeof textbuf; 40 AttributeDescription *children = slap_schema.si_ad_children; 41 AttributeDescription *entry = slap_schema.si_ad_entry; 42 ID eid; 43 int num_retries = 0; 44 int success; 45 LDAPControl **postread_ctrl = NULL; 46 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS]; 47 int num_ctrls = 0; 48 wt_ctx *wc; 49 Entry *e = NULL; 50 Entry *p = NULL; 51 ID pid; 52 int rc; 53 54 Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(wt_add) ": %s\n", 55 op->ora_e->e_name.bv_val ); 56 57 ctrls[num_ctrls] = 0; 58 59 /* check entry's schema */ 60 rs->sr_err = entry_schema_check( 61 op, op->ora_e, NULL, 62 get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen ); 63 if ( rs->sr_err != LDAP_SUCCESS ) { 64 Debug( LDAP_DEBUG_TRACE, 65 LDAP_XSTRING(wt_add) 66 ": entry failed schema check: %s (%d)\n", 67 rs->sr_text, rs->sr_err ); 68 goto return_results; 69 } 70 71 /* add opattrs to shadow as well, only missing attrs will actually 72 * be added; helps compatibility with older OL versions */ 73 rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 ); 74 if ( rs->sr_err != LDAP_SUCCESS ) { 75 Debug( LDAP_DEBUG_TRACE, 76 LDAP_XSTRING(wt_add) 77 ": entry failed op attrs add: %s (%d)\n", 78 rs->sr_text, rs->sr_err ); 79 goto return_results; 80 } 81 82 if ( get_assert( op ) && 83 ( test_filter( op, op->ora_e, get_assertion( op )) 84 != LDAP_COMPARE_TRUE )) 85 { 86 rs->sr_err = LDAP_ASSERTION_FAILED; 87 goto return_results; 88 } 89 90 /* Not used 91 * subentry = is_entry_subentry( op->ora_e ); 92 */ 93 94 /* 95 * Get the parent dn and see if the corresponding entry exists. 96 */ 97 if ( be_issuffix( op->o_bd, &op->ora_e->e_nname ) ) { 98 pdn = slap_empty_bv; 99 } else { 100 dnParent( &op->ora_e->e_nname, &pdn ); 101 } 102 103 wc = wt_ctx_get(op, wi); 104 if( !wc ){ 105 Debug( LDAP_DEBUG_ANY, 106 LDAP_XSTRING(wt_add) 107 ": wt_ctx_get failed\n" ); 108 rs->sr_err = LDAP_OTHER; 109 rs->sr_text = "internal error"; 110 send_ldap_result( op, rs ); 111 return rs->sr_err; 112 } 113 114 rc = wt_dn2entry(op->o_bd, wc, &op->o_req_ndn, &e); 115 switch( rc ) { 116 case 0: 117 rs->sr_err = LDAP_ALREADY_EXISTS; 118 goto return_results; 119 break; 120 case WT_NOTFOUND: 121 break; 122 default: 123 /* TODO: retry handling */ 124 Debug( LDAP_DEBUG_ANY, 125 LDAP_XSTRING(wt_add) 126 ": error at wt_dn2entry() rc=%d\n", 127 rc ); 128 rs->sr_err = LDAP_OTHER; 129 rs->sr_text = "internal error"; 130 goto return_results; 131 } 132 133 /* get parent entry */ 134 rc = wt_dn2pentry(op->o_bd, wc, &op->o_req_ndn, &p); 135 switch( rc ){ 136 case 0: 137 case WT_NOTFOUND: 138 break; 139 default: 140 Debug( LDAP_DEBUG_ANY, 141 LDAP_XSTRING(wt_add) 142 ": error at wt_dn2pentry() rc=%d\n", 143 rc ); 144 rs->sr_err = LDAP_OTHER; 145 rs->sr_text = "internal error"; 146 goto return_results; 147 } 148 149 if ( !p ) 150 p = (Entry *)&slap_entry_root; 151 152 if ( !bvmatch( &pdn, &p->e_nname ) ) { 153 rs->sr_matched = ber_strdup_x( p->e_name.bv_val, 154 op->o_tmpmemctx ); 155 if ( p != (Entry *)&slap_entry_root ) { 156 rs->sr_ref = is_entry_referral( p ) 157 ? get_entry_referrals( op, p ) 158 : NULL; 159 wt_entry_return( p ); 160 } else { 161 rs->sr_ref = NULL; 162 } 163 p = NULL; 164 Debug( LDAP_DEBUG_TRACE, 165 LDAP_XSTRING(wt_add) ": parent " 166 "does not exist\n" ); 167 rs->sr_err = LDAP_REFERRAL; 168 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED; 169 goto return_results; 170 } 171 172 rs->sr_err = access_allowed( op, p, 173 children, NULL, ACL_WADD, NULL ); 174 if ( ! rs->sr_err ) { 175 /* 176 if ( p != (Entry *)&slap_entry_root ) 177 wt_entry_return( op, p ); 178 */ 179 p = NULL; 180 181 Debug( LDAP_DEBUG_TRACE, 182 LDAP_XSTRING(wt_add) ": no write access to parent\n" ); 183 rs->sr_err = LDAP_INSUFFICIENT_ACCESS; 184 rs->sr_text = "no write access to parent"; 185 goto return_results;; 186 } 187 188 if ( p != (Entry *)&slap_entry_root ) { 189 if ( is_entry_subentry( p ) ) { 190 wt_entry_return( p ); 191 p = NULL; 192 /* parent is a subentry, don't allow add */ 193 Debug( LDAP_DEBUG_TRACE, 194 LDAP_XSTRING(wt_add) ": parent is subentry\n" ); 195 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION; 196 rs->sr_text = "parent is a subentry"; 197 goto return_results;; 198 } 199 200 if ( is_entry_alias( p ) ) { 201 wt_entry_return( p ); 202 p = NULL; 203 /* parent is an alias, don't allow add */ 204 Debug( LDAP_DEBUG_TRACE, 205 LDAP_XSTRING(wt_add) ": parent is alias\n" ); 206 rs->sr_err = LDAP_ALIAS_PROBLEM; 207 rs->sr_text = "parent is an alias"; 208 goto return_results;; 209 } 210 211 if ( is_entry_referral( p ) ) { 212 BerVarray ref = get_entry_referrals( op, p ); 213 /* parent is a referral, don't allow add */ 214 rs->sr_matched = ber_strdup_x( p->e_name.bv_val, 215 op->o_tmpmemctx ); 216 rs->sr_ref = referral_rewrite( ref, &p->e_name, 217 &op->o_req_dn, LDAP_SCOPE_DEFAULT ); 218 ber_bvarray_free( ref ); 219 wt_entry_return( p ); 220 p = NULL; 221 Debug( LDAP_DEBUG_TRACE, 222 LDAP_XSTRING(wt_add) ": parent is referral\n" ); 223 224 rs->sr_err = LDAP_REFERRAL; 225 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED; 226 goto return_results; 227 } 228 } 229 230 #if 0 231 if ( subentry ) { 232 /* FIXME: */ 233 /* parent must be an administrative point of the required kind */ 234 } 235 #endif 236 237 /* free parent */ 238 if ( p != (Entry *)&slap_entry_root ) { 239 pid = p->e_id; 240 if ( p->e_nname.bv_len ) { 241 struct berval ppdn; 242 243 /* ITS#5326: use parent's DN if differs from provided one */ 244 dnParent( &op->ora_e->e_name, &ppdn ); 245 if ( !dn_match( &p->e_name, &ppdn ) ) { 246 struct berval rdn; 247 struct berval newdn; 248 249 dnRdn( &op->ora_e->e_name, &rdn ); 250 251 build_new_dn( &newdn, &p->e_name, &rdn, NULL ); 252 if ( op->ora_e->e_name.bv_val != op->o_req_dn.bv_val ) 253 ber_memfree( op->ora_e->e_name.bv_val ); 254 op->ora_e->e_name = newdn; 255 256 /* FIXME: should check whether 257 * dnNormalize(newdn) == e->e_nname ... */ 258 } 259 } 260 261 wt_entry_return( p ); 262 } 263 p = NULL; 264 265 rs->sr_err = access_allowed( op, op->ora_e, 266 entry, NULL, ACL_WADD, NULL ); 267 268 if ( ! rs->sr_err ) { 269 Debug( LDAP_DEBUG_TRACE, 270 LDAP_XSTRING(wt_add) ": no write access to entry\n" ); 271 rs->sr_err = LDAP_INSUFFICIENT_ACCESS; 272 rs->sr_text = "no write access to entry"; 273 goto return_results; 274 } 275 276 /* 277 * Check ACL for attribute write access 278 */ 279 if (!acl_check_modlist(op, op->ora_e, op->ora_modlist)) { 280 Debug( LDAP_DEBUG_TRACE, 281 LDAP_XSTRING(wt_add) ": no write access to attribute\n" ); 282 rs->sr_err = LDAP_INSUFFICIENT_ACCESS; 283 rs->sr_text = "no write access to attribute"; 284 goto return_results; 285 } 286 287 rc = wc->session->begin_transaction(wc->session, NULL); 288 if( rc ) { 289 Debug( LDAP_DEBUG_TRACE, 290 LDAP_XSTRING(wt_add) ": begin_transaction failed: %s (%d)\n", 291 wiredtiger_strerror(rc), rc ); 292 rs->sr_err = LDAP_OTHER; 293 rs->sr_text = "begin_transaction failed"; 294 goto return_results; 295 } 296 Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(wt_add) ": session id: %p\n", 297 wc->session ); 298 299 wt_next_id( op->o_bd, &eid ); 300 op->ora_e->e_id = eid; 301 302 rc = wt_dn2id_add( op, wc->session, pid, op->ora_e ); 303 if( rc ){ 304 Debug( LDAP_DEBUG_TRACE, 305 LDAP_XSTRING(wt_add) 306 ": dn2id_add failed: %s (%d)\n", 307 wiredtiger_strerror(rc), rc ); 308 switch( rc ) { 309 case WT_DUPLICATE_KEY: 310 rs->sr_err = LDAP_ALREADY_EXISTS; 311 break; 312 default: 313 rs->sr_err = LDAP_OTHER; 314 } 315 wc->session->rollback_transaction(wc->session, NULL); 316 goto return_results; 317 } 318 319 rc = wt_id2entry_add( op, wc->session, op->ora_e ); 320 if ( rc ) { 321 Debug( LDAP_DEBUG_TRACE, 322 LDAP_XSTRING(wt_add) 323 ": id2entry_add failed: %s (%d)\n", 324 wiredtiger_strerror(rc), rc ); 325 if ( rc == LDAP_ADMINLIMIT_EXCEEDED ) { 326 rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED; 327 rs->sr_text = "entry is too big"; 328 } else { 329 rs->sr_err = LDAP_OTHER; 330 rs->sr_text = "entry store failed"; 331 } 332 wc->session->rollback_transaction(wc->session, NULL); 333 goto return_results; 334 } 335 336 /* add indices */ 337 rc = wt_index_entry_add( op, wc, op->ora_e ); 338 if ( rc ) { 339 Debug(LDAP_DEBUG_TRACE, 340 "<== " LDAP_XSTRING(wt_add) 341 ": index add failed: %s (%d)\n", 342 wiredtiger_strerror(rc), rc ); 343 rs->sr_err = LDAP_OTHER; 344 rs->sr_text = "index add failed"; 345 wc->session->rollback_transaction(wc->session, NULL); 346 goto return_results; 347 } 348 349 rc = wc->session->commit_transaction(wc->session, NULL); 350 if( rc ) { 351 Debug( LDAP_DEBUG_TRACE, 352 "<== " LDAP_XSTRING(wt_add) 353 ": commit_transaction failed: %s (%d)\n", 354 wiredtiger_strerror(rc), rc ); 355 rs->sr_err = LDAP_OTHER; 356 rs->sr_text = "commit_transaction failed"; 357 goto return_results; 358 } 359 360 rs->sr_err = LDAP_SUCCESS; 361 362 /* post-read */ 363 if( op->o_postread ) { 364 if( postread_ctrl == NULL ) { 365 postread_ctrl = &ctrls[num_ctrls++]; 366 ctrls[num_ctrls] = NULL; 367 } 368 if ( slap_read_controls( op, rs, op->ora_e, 369 &slap_post_read_bv, postread_ctrl ) ) 370 { 371 Debug( LDAP_DEBUG_TRACE, 372 "<=- " LDAP_XSTRING(wt_add) ": post-read " 373 "failed!\n" ); 374 if ( op->o_postread & SLAP_CONTROL_CRITICAL ) { 375 /* FIXME: is it correct to abort 376 * operation if control fails? */ 377 goto return_results; 378 } 379 } 380 } 381 382 Debug(LDAP_DEBUG_TRACE, 383 LDAP_XSTRING(wt_add) ": added%s id=%08lx dn=\"%s\"\n", 384 op->o_noop ? " (no-op)" : "", 385 op->ora_e->e_id, op->ora_e->e_dn ); 386 387 return_results: 388 success = rs->sr_err; 389 send_ldap_result( op, rs ); 390 391 slap_graduate_commit_csn( op ); 392 393 if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) { 394 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); 395 slap_sl_free( *postread_ctrl, op->o_tmpmemctx ); 396 } 397 return rs->sr_err; 398 } 399 400 /* 401 * Local variables: 402 * indent-tabs-mode: t 403 * tab-width: 4 404 * c-basic-offset: 4 405 * End: 406 */ 407
Indexes created Tue Aug 04 00:24:20 UTC 2026