diff options
Diffstat (limited to 'servers/slapd/back-mdb/modify.c')
| -rw-r--r-- | servers/slapd/back-mdb/modify.c | 843 |
1 files changed, 843 insertions, 0 deletions
diff --git a/servers/slapd/back-mdb/modify.c b/servers/slapd/back-mdb/modify.c new file mode 100644 index 0000000..f2233e8 --- /dev/null +++ b/servers/slapd/back-mdb/modify.c @@ -0,0 +1,843 @@ +/* modify.c - mdb backend modify routine */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 2000-2022 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ + +#include "portable.h" + +#include <stdio.h> +#include <ac/string.h> +#include <ac/time.h> + +#include "back-mdb.h" + +static struct berval scbva[] = { + BER_BVC("glue"), + BER_BVNULL +}; + +#define CHECK_ADD 1 +#define CHECK_DEL 2 + +static void +mdb_modify_idxflags( + Operation *op, + AttributeDescription *desc, + int ixcheck, + Attribute *newattrs, + Attribute *oldattrs ) +{ + struct berval ix_at; + AttrInfo *ai; + + /* check if modified attribute was indexed + * but not in case of NOOP... */ + ai = mdb_index_mask( op->o_bd, desc, &ix_at ); + if ( ai ) { + if ( ixcheck & CHECK_DEL ) { + Attribute *ap; + struct berval ix2; + + ap = attr_find( oldattrs, desc ); + if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL; + + /* ITS#8678 FIXME + * If using 32bit hashes, or substring index, must account for + * possible index collisions. If no substring index, and using + * 64bit hashes, assume we don't need to check for collisions. + * + * In 2.5 use refcounts and avoid all of this mess. + */ + if (!slap_hash64(-1) || (ai->ai_indexmask & SLAP_INDEX_SUBSTR)) { + /* Find all other attrs that index to same slot */ + for ( ap = newattrs; ap; ap = ap->a_next ) { + ai = mdb_index_mask( op->o_bd, ap->a_desc, &ix2 ); + if ( ai && ix2.bv_val == ix_at.bv_val ) + ap->a_flags |= SLAP_ATTR_IXADD; + } + } + + } + if ( ixcheck & CHECK_ADD ) { + Attribute *ap; + + ap = attr_find( newattrs, desc ); + if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD; + } + } +} + +int mdb_modify_internal( + Operation *op, + MDB_txn *tid, + Modifications *modlist, + Entry *e, + const char **text, + char *textbuf, + size_t textlen ) +{ + struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private; + int rc, err; + Modification *mod; + Modifications *ml; + Attribute *save_attrs; + Attribute *ap, *aold, *anew; + int glue_attr_delete = 0; + int softop, chkpresent; + int ixcheck; + int a_flags; + MDB_cursor *mvc = NULL; + + Debug( LDAP_DEBUG_TRACE, "mdb_modify_internal: 0x%08lx: %s\n", + e->e_id, e->e_dn ); + + if ( !acl_check_modlist( op, e, modlist )) { + return LDAP_INSUFFICIENT_ACCESS; + } + + /* save_attrs will be disposed of by caller */ + save_attrs = e->e_attrs; + e->e_attrs = attrs_dup( e->e_attrs ); + + for ( ml = modlist; ml != NULL; ml = ml->sml_next ) { + int match; + mod = &ml->sml_mod; + switch( mod->sm_op ) { + case LDAP_MOD_ADD: + case LDAP_MOD_REPLACE: + if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) { + value_match( &match, slap_schema.si_ad_structuralObjectClass, + slap_schema.si_ad_structuralObjectClass-> + ad_type->sat_equality, + SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX, + &mod->sm_values[0], &scbva[0], text ); + if ( !match ) glue_attr_delete = 1; + } + } + if ( glue_attr_delete ) + break; + } + + if ( glue_attr_delete ) { + Attribute **app = &e->e_attrs; + while ( *app != NULL ) { + if ( !is_at_operational( (*app)->a_desc->ad_type )) { + Attribute *save = *app; + *app = (*app)->a_next; + attr_free( save ); + continue; + } + app = &(*app)->a_next; + } + } + + for ( ml = modlist; ml != NULL; ml = ml->sml_next ) { + mod = &ml->sml_mod; + ixcheck = 0; + + aold = attr_find( e->e_attrs, mod->sm_desc ); + if (aold) + a_flags = aold->a_flags; + else + a_flags = 0; + + switch ( mod->sm_op ) { + case LDAP_MOD_ADD: + softop = 0; + chkpresent = 0; + Debug(LDAP_DEBUG_ARGS, + "mdb_modify_internal: add %s\n", + mod->sm_desc->ad_cname.bv_val ); + +do_add: + err = modify_add_values( e, mod, get_permissiveModify(op), + text, textbuf, textlen ); + + if( softop ) { + mod->sm_op = SLAP_MOD_SOFTADD; + if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) + err = LDAP_SUCCESS; + } + if( chkpresent ) { + mod->sm_op = SLAP_MOD_ADD_IF_NOT_PRESENT; + } + + if( err != LDAP_SUCCESS ) { + Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n", + err, *text ); + } else { + unsigned hi; + if (!aold) + anew = attr_find( e->e_attrs, mod->sm_desc ); + else + anew = aold; + mdb_attr_multi_thresh( mdb, mod->sm_desc, &hi, NULL ); + /* check for big multivalued attrs */ + if ( anew->a_numvals > hi ) + anew->a_flags |= SLAP_ATTR_BIG_MULTI; + if ( anew->a_flags & SLAP_ATTR_BIG_MULTI ) { + if (!mvc) { + err = mdb_cursor_open( tid, mdb->mi_dbis[MDB_ID2VAL], &mvc ); + if (err) { +mval_fail: strncpy( textbuf, mdb_strerror( err ), textlen ); + err = LDAP_OTHER; + break; + } + } + /* if prev was set, just add new values */ + if (a_flags & SLAP_ATTR_BIG_MULTI ) { + anew = (Attribute *)mod; + /* Tweak nvals */ + if (!anew->a_nvals) + anew->a_nvals = anew->a_vals; + } + err = mdb_mval_put(op, mvc, e->e_id, anew); + if (a_flags & SLAP_ATTR_BIG_MULTI ) { + /* Undo nvals tweak */ + if (anew->a_nvals == anew->a_vals) + anew->a_nvals = NULL; + } + if ( err ) + goto mval_fail; + } + ixcheck |= CHECK_ADD; + } + break; + + case LDAP_MOD_DELETE: + if ( glue_attr_delete ) { + err = LDAP_SUCCESS; + break; + } + + softop = 0; + Debug(LDAP_DEBUG_ARGS, + "mdb_modify_internal: delete %s\n", + mod->sm_desc->ad_cname.bv_val ); +do_del: + err = modify_delete_values( e, mod, get_permissiveModify(op), + text, textbuf, textlen ); + + if (softop) { + mod->sm_op = SLAP_MOD_SOFTDEL; + if ( err == LDAP_NO_SUCH_ATTRIBUTE ) { + err = LDAP_SUCCESS; + softop = 2; + } + } + + if( err != LDAP_SUCCESS ) { + Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n", + err, *text ); + } else { + if (softop != 2) + ixcheck |= CHECK_DEL; + /* check for big multivalued attrs */ + if (a_flags & SLAP_ATTR_BIG_MULTI) { + Attribute a_dummy; + if (!mvc) { + err = mdb_cursor_open( tid, mdb->mi_dbis[MDB_ID2VAL], &mvc ); + if (err) + goto mval_fail; + } + if ( mod->sm_numvals ) { + anew = attr_find( e->e_attrs, mod->sm_desc ); + if ( anew ) { + unsigned lo; + mdb_attr_multi_thresh( mdb, mod->sm_desc, NULL, &lo ); + if ( anew->a_numvals < lo ) { + anew->a_flags ^= SLAP_ATTR_BIG_MULTI; + anew = NULL; + } else { + anew = (Attribute *)mod; + } + } + } else { + anew = NULL; + } + if (!anew) { + /* delete all values */ + anew = &a_dummy; + anew->a_desc = mod->sm_desc; + anew->a_numvals = 0; + } + err = mdb_mval_del( op, mvc, e->e_id, anew ); + if ( err ) + goto mval_fail; + } + } + break; + + case LDAP_MOD_REPLACE: + Debug(LDAP_DEBUG_ARGS, + "mdb_modify_internal: replace %s\n", + mod->sm_desc->ad_cname.bv_val ); + err = modify_replace_values( e, mod, get_permissiveModify(op), + text, textbuf, textlen ); + if( err != LDAP_SUCCESS ) { + Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n", + err, *text ); + } else { + unsigned hi; + ixcheck = CHECK_DEL; + if ( mod->sm_numvals ) + ixcheck |= CHECK_ADD; + if (a_flags & SLAP_ATTR_BIG_MULTI) { + Attribute a_dummy; + if (!mvc) { + err = mdb_cursor_open( tid, mdb->mi_dbis[MDB_ID2VAL], &mvc ); + if (err) + goto mval_fail; + } + /* delete all values */ + anew = &a_dummy; + anew->a_desc = mod->sm_desc; + anew->a_numvals = 0; + err = mdb_mval_del( op, mvc, e->e_id, anew ); + if (err) + goto mval_fail; + } + anew = attr_find( e->e_attrs, mod->sm_desc ); + mdb_attr_multi_thresh( mdb, mod->sm_desc, &hi, NULL ); + if (mod->sm_numvals > hi) { + anew->a_flags |= SLAP_ATTR_BIG_MULTI; + if (!mvc) { + err = mdb_cursor_open( tid, mdb->mi_dbis[MDB_ID2VAL], &mvc ); + if (err) + goto mval_fail; + } + err = mdb_mval_put(op, mvc, e->e_id, anew); + if (err) + goto mval_fail; + } else if (anew) { + /* revert back to normal attr */ + anew->a_flags &= ~SLAP_ATTR_BIG_MULTI; + } + } + break; + + case LDAP_MOD_INCREMENT: + Debug(LDAP_DEBUG_ARGS, + "mdb_modify_internal: increment %s\n", + mod->sm_desc->ad_cname.bv_val ); + err = modify_increment_values( e, mod, get_permissiveModify(op), + text, textbuf, textlen ); + if( err != LDAP_SUCCESS ) { + Debug(LDAP_DEBUG_ARGS, + "mdb_modify_internal: %d %s\n", + err, *text ); + } else { + ixcheck = CHECK_ADD|CHECK_DEL; + } + break; + + case SLAP_MOD_SOFTADD: + Debug(LDAP_DEBUG_ARGS, + "mdb_modify_internal: softadd %s\n", + mod->sm_desc->ad_cname.bv_val ); + /* Avoid problems in index_add_mods() + * We need to add index if necessary. + */ + mod->sm_op = LDAP_MOD_ADD; + softop = 1; + chkpresent = 0; + goto do_add; + + case SLAP_MOD_SOFTDEL: + Debug(LDAP_DEBUG_ARGS, + "mdb_modify_internal: softdel %s\n", + mod->sm_desc->ad_cname.bv_val ); + /* Avoid problems in index_delete_mods() + * We need to add index if necessary. + */ + mod->sm_op = LDAP_MOD_DELETE; + softop = 1; + goto do_del; + + case SLAP_MOD_ADD_IF_NOT_PRESENT: + if ( attr_find( e->e_attrs, mod->sm_desc ) != NULL ) { + /* skip */ + err = LDAP_SUCCESS; + break; + } + + Debug(LDAP_DEBUG_ARGS, + "mdb_modify_internal: add_if_not_present %s\n", + mod->sm_desc->ad_cname.bv_val ); + /* Avoid problems in index_add_mods() + * We need to add index if necessary. + */ + mod->sm_op = LDAP_MOD_ADD; + softop = 0; + chkpresent = 1; + goto do_add; + + default: + Debug(LDAP_DEBUG_ANY, "mdb_modify_internal: invalid op %d\n", + mod->sm_op ); + *text = "Invalid modify operation"; + err = LDAP_OTHER; + Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n", + err, *text ); + } + + if ( err != LDAP_SUCCESS ) { + attrs_free( e->e_attrs ); + e->e_attrs = save_attrs; + /* unlock entry, delete from cache */ + return err; + } + + /* If objectClass was modified, reset the flags */ + if ( mod->sm_desc == slap_schema.si_ad_objectClass ) { + e->e_ocflags = 0; + } + + if ( glue_attr_delete ) e->e_ocflags = 0; + + + /* check if modified attribute was indexed + * but not in case of NOOP... */ + if ( !op->o_noop ) { + mdb_modify_idxflags( op, mod->sm_desc, ixcheck, e->e_attrs, save_attrs ); + } + } + + /* check that the entry still obeys the schema */ + ap = NULL; + rc = entry_schema_check( op, e, save_attrs, get_relax(op), 0, &ap, + text, textbuf, textlen ); + if ( rc != LDAP_SUCCESS || op->o_noop ) { + attrs_free( e->e_attrs ); + /* clear the indexing flags */ + for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) { + ap->a_flags &= ~(SLAP_ATTR_IXADD|SLAP_ATTR_IXDEL); + } + e->e_attrs = save_attrs; + + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "entry failed schema check: %s\n", + *text ); + } + + /* if NOOP then silently revert to saved attrs */ + return rc; + } + + /* structuralObjectClass modified! */ + if ( ap ) { + assert( ap->a_desc == slap_schema.si_ad_structuralObjectClass ); + if ( !op->o_noop ) { + mdb_modify_idxflags( op, slap_schema.si_ad_structuralObjectClass, + CHECK_ADD|CHECK_DEL, e->e_attrs, save_attrs ); + } + } + + /* update the indices of the modified attributes */ + + /* start with deleting the old index entries */ + for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) { + if ( ap->a_flags & SLAP_ATTR_IXDEL ) { + struct berval *vals; + Attribute *a2; + ap->a_flags &= ~SLAP_ATTR_IXDEL; + a2 = attr_find( e->e_attrs, ap->a_desc ); + if ( a2 ) { + /* need to detect which values were deleted */ + int i, j, k; + /* let add know there were deletes */ + if ( a2->a_flags & SLAP_ATTR_IXADD ) + a2->a_flags |= SLAP_ATTR_IXDEL; + vals = op->o_tmpalloc( (ap->a_numvals + 1) * + sizeof(struct berval), op->o_tmpmemctx ); + j = 0; + for ( i=k=0; i < ap->a_numvals; i++ ) { + char found = 0; + BerValue* current = &ap->a_nvals[i]; + int k2 = k; + for (k2 = k ; k2 < a2->a_numvals; k2 ++) { + int match = -1, rc; + const char *text; + + rc = ordered_value_match( &match, a2->a_desc, + ap->a_desc->ad_type->sat_equality, 0, + &a2->a_nvals[k2], current, &text ); + if ( rc == LDAP_SUCCESS && match == 0 ) { + found = 1; + break; + } + } + + if (!found) { + vals[j++] = *current; + } else { + k = k2 + 1; + } + } + BER_BVZERO(vals+j); + } else { + /* attribute was completely deleted */ + vals = ap->a_nvals; + } + rc = 0; + if ( !BER_BVISNULL( vals )) { + rc = mdb_index_values( op, tid, ap->a_desc, + vals, e->e_id, SLAP_INDEX_DELETE_OP ); + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "%s: attribute \"%s\" index delete failure\n", + op->o_log_prefix, ap->a_desc->ad_cname.bv_val ); + attrs_free( e->e_attrs ); + e->e_attrs = save_attrs; + } + } + if ( vals != ap->a_nvals ) + op->o_tmpfree( vals, op->o_tmpmemctx ); + if ( rc ) return rc; + } + } + + /* add the new index entries */ + for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) { + if (ap->a_flags & SLAP_ATTR_IXADD) { + ap->a_flags &= ~SLAP_ATTR_IXADD; + if ( ap->a_flags & SLAP_ATTR_IXDEL ) { + /* if any values were deleted, we must readd index + * for all remaining values. + */ + ap->a_flags &= ~SLAP_ATTR_IXDEL; + rc = mdb_index_values( op, tid, ap->a_desc, + ap->a_nvals, + e->e_id, SLAP_INDEX_ADD_OP ); + } else { + int found = 0; + /* if this was only an add, we only need to index + * the added values. + */ + for ( ml = modlist; ml != NULL; ml = ml->sml_next ) { + struct berval *vals; + if ( ml->sml_desc != ap->a_desc || !ml->sml_numvals ) + continue; + found = 1; + switch( ml->sml_op ) { + case LDAP_MOD_ADD: + case LDAP_MOD_REPLACE: + case LDAP_MOD_INCREMENT: + case SLAP_MOD_SOFTADD: + case SLAP_MOD_ADD_IF_NOT_PRESENT: + if ( ml->sml_op == LDAP_MOD_INCREMENT ) + vals = ap->a_nvals; + else if ( ml->sml_nvalues ) + vals = ml->sml_nvalues; + else + vals = ml->sml_values; + rc = mdb_index_values( op, tid, ap->a_desc, + vals, e->e_id, SLAP_INDEX_ADD_OP ); + break; + } + if ( rc ) + break; + } + /* This attr was affected by a modify of a subtype, so + * there was no direct match in the modlist. Just readd + * all of its values. + */ + if ( !found ) { + rc = mdb_index_values( op, tid, ap->a_desc, + ap->a_nvals, + e->e_id, SLAP_INDEX_ADD_OP ); + } + } + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "%s: attribute \"%s\" index add failure\n", + op->o_log_prefix, ap->a_desc->ad_cname.bv_val ); + attrs_free( e->e_attrs ); + e->e_attrs = save_attrs; + return rc; + } + } + } + + return rc; +} + + +int +mdb_modify( Operation *op, SlapReply *rs ) +{ + struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private; + Entry *e = NULL; + int manageDSAit = get_manageDSAit( op ); + char textbuf[SLAP_TEXT_BUFLEN]; + size_t textlen = sizeof textbuf; + MDB_txn *txn = NULL; + mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo; + Entry dummy = {0}; + + LDAPControl **preread_ctrl = NULL; + LDAPControl **postread_ctrl = NULL; + LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS]; + int num_ctrls = 0; + int numads = mdb->mi_numads; + + Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(mdb_modify) ": %s\n", + op->o_req_dn.bv_val ); + + ctrls[num_ctrls] = NULL; + + /* begin transaction */ + rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi ); + rs->sr_text = NULL; + if( rs->sr_err != 0 ) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(mdb_modify) ": txn_begin failed: " + "%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err ); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + txn = moi->moi_txn; + + /* Don't touch the opattrs, if this is a contextCSN update + * initiated from updatedn */ + if ( !be_isupdate(op) || !op->orm_modlist || op->orm_modlist->sml_next || + op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) { + + slap_mods_opattrs( op, &op->orm_modlist, 1 ); + } + + /* get entry or ancestor */ + rs->sr_err = mdb_dn2entry( op, txn, NULL, &op->o_req_ndn, &e, NULL, 1 ); + + if ( rs->sr_err != 0 ) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(mdb_modify) ": dn2entry failed (%d)\n", + rs->sr_err ); + switch( rs->sr_err ) { + case MDB_NOTFOUND: + break; + case LDAP_BUSY: + rs->sr_text = "ldap server busy"; + goto return_results; + default: + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + } + + /* acquire and lock entry */ + /* FIXME: dn2entry() should return non-glue entry */ + if (( rs->sr_err == MDB_NOTFOUND ) || + ( !manageDSAit && e && is_entry_glue( e ))) + { + if ( e != NULL ) { + rs->sr_matched = ch_strdup( e->e_dn ); + if ( is_entry_referral( e )) { + BerVarray ref = get_entry_referrals( op, e ); + rs->sr_ref = referral_rewrite( ref, &e->e_name, + &op->o_req_dn, LDAP_SCOPE_DEFAULT ); + ber_bvarray_free( ref ); + } else { + rs->sr_ref = NULL; + } + mdb_entry_return( op, e ); + e = NULL; + + } else { + rs->sr_ref = referral_rewrite( default_referral, NULL, + &op->o_req_dn, LDAP_SCOPE_DEFAULT ); + } + + rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED; + rs->sr_err = LDAP_REFERRAL; + send_ldap_result( op, rs ); + goto done; + } + + if ( !manageDSAit && is_entry_referral( e ) ) { + /* entry is a referral, don't allow modify */ + rs->sr_ref = get_entry_referrals( op, e ); + + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(mdb_modify) ": entry is referral\n" ); + + rs->sr_err = LDAP_REFERRAL; + rs->sr_matched = e->e_name.bv_val; + rs->sr_flags = REP_REF_MUSTBEFREED; + send_ldap_result( op, rs ); + rs->sr_matched = NULL; + goto done; + } + + if ( get_assert( op ) && + ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE )) + { + rs->sr_err = LDAP_ASSERTION_FAILED; + goto return_results; + } + + if( op->o_preread ) { + if( preread_ctrl == NULL ) { + preread_ctrl = &ctrls[num_ctrls++]; + ctrls[num_ctrls] = NULL; + } + if ( slap_read_controls( op, rs, e, + &slap_pre_read_bv, preread_ctrl ) ) + { + Debug( LDAP_DEBUG_TRACE, + "<=- " LDAP_XSTRING(mdb_modify) ": pre-read " + "failed!\n" ); + if ( op->o_preread & SLAP_CONTROL_CRITICAL ) { + /* FIXME: is it correct to abort + * operation if control fails? */ + goto return_results; + } + } + } + + /* Modify the entry */ + dummy = *e; + rs->sr_err = mdb_modify_internal( op, txn, op->orm_modlist, + &dummy, &rs->sr_text, textbuf, textlen ); + + if( rs->sr_err != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(mdb_modify) ": modify failed (%d)\n", + rs->sr_err ); + /* Only free attrs if they were dup'd. */ + if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL; + goto return_results; + } + + /* change the entry itself */ + rs->sr_err = mdb_id2entry_update( op, txn, NULL, &dummy ); + if ( rs->sr_err != 0 ) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(mdb_modify) ": id2entry update failed " "(%d)\n", + rs->sr_err ); + if ( rs->sr_err == LDAP_ADMINLIMIT_EXCEEDED ) { + rs->sr_text = "entry too big"; + } else { + rs->sr_err = LDAP_OTHER; + rs->sr_text = "entry update failed"; + } + goto return_results; + } + + if( op->o_postread ) { + if( postread_ctrl == NULL ) { + postread_ctrl = &ctrls[num_ctrls++]; + ctrls[num_ctrls] = NULL; + } + if( slap_read_controls( op, rs, &dummy, + &slap_post_read_bv, postread_ctrl ) ) + { + Debug( LDAP_DEBUG_TRACE, + "<=- " LDAP_XSTRING(mdb_modify) + ": post-read failed!\n" ); + if ( op->o_postread & SLAP_CONTROL_CRITICAL ) { + /* FIXME: is it correct to abort + * operation if control fails? */ + goto return_results; + } + } + } + + /* Only free attrs if they were dup'd. */ + if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL; + if( moi == &opinfo ) { + LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next ); + opinfo.moi_oe.oe_key = NULL; + if( op->o_noop ) { + mdb->mi_numads = numads; + mdb_txn_abort( txn ); + rs->sr_err = LDAP_X_NO_OPERATION; + txn = NULL; + goto return_results; + } else { + rs->sr_err = mdb_txn_commit( txn ); + if ( rs->sr_err ) + mdb->mi_numads = numads; + txn = NULL; + } + } + + if( rs->sr_err != 0 ) { + Debug( LDAP_DEBUG_ANY, + LDAP_XSTRING(mdb_modify) ": txn_%s failed: %s (%d)\n", + op->o_noop ? "abort (no-op)" : "commit", + mdb_strerror(rs->sr_err), rs->sr_err ); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "commit failed"; + + goto return_results; + } + + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(mdb_modify) ": updated%s id=%08lx dn=\"%s\"\n", + op->o_noop ? " (no-op)" : "", + dummy.e_id, op->o_req_dn.bv_val ); + + rs->sr_err = LDAP_SUCCESS; + rs->sr_text = NULL; + if( num_ctrls ) rs->sr_ctrls = ctrls; + +return_results: + if( dummy.e_attrs ) { + attrs_free( dummy.e_attrs ); + } + send_ldap_result( op, rs ); + +#if 0 + if( rs->sr_err == LDAP_SUCCESS && mdb->bi_txn_cp_kbyte ) { + TXN_CHECKPOINT( mdb->bi_dbenv, + mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 ); + } +#endif + +done: + slap_graduate_commit_csn( op ); + + if( moi == &opinfo ) { + if( txn != NULL ) { + mdb->mi_numads = numads; + mdb_txn_abort( txn ); + } + if ( opinfo.moi_oe.oe_key ) { + LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next ); + } + } else { + moi->moi_ref--; + } + + if( e != NULL ) { + mdb_entry_return( op, e ); + } + + if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) { + slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); + slap_sl_free( *preread_ctrl, op->o_tmpmemctx ); + } + if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) { + slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); + slap_sl_free( *postread_ctrl, op->o_tmpmemctx ); + } + + rs->sr_text = NULL; + + return rs->sr_err; +} |