/* * op_shared_rename() -- common frontend code for modDN operations. * * Beware: this function resets the following pblock elements that were * set by the caller: * * SLAPI_MODRDN_TARGET_SDN * SLAPI_MODRDN_NEWRDN * SLAPI_MODRDN_NEWSUPERIOR_SDN */ static void op_shared_rename(Slapi_PBlock *pb, int passin_args) { char *dn, *newrdn, *newdn = NULL; const char *newsuperior; char **rdns; int deloldrdn; Slapi_Backend *be = NULL; Slapi_DN *origsdn = NULL; Slapi_Mods smods; int internal_op, repl_op, lastmod; Slapi_Operation *operation; Slapi_Entry *referral; char errorbuf[BUFSIZ]; int err; char *proxydn = NULL; char *proxystr = NULL; int proxy_err = LDAP_SUCCESS; char *errtext = NULL; Slapi_DN *sdn = NULL; Slapi_DN *newsuperiorsdn = NULL; slapi_pblock_get(pb, SLAPI_ORIGINAL_TARGET, &dn); slapi_pblock_get(pb, SLAPI_MODRDN_NEWRDN, &newrdn); slapi_pblock_get(pb, SLAPI_MODRDN_NEWSUPERIOR_SDN, &newsuperiorsdn); slapi_pblock_get(pb, SLAPI_MODRDN_DELOLDRDN, &deloldrdn); slapi_pblock_get(pb, SLAPI_IS_REPLICATED_OPERATION, &repl_op); slapi_pblock_get (pb, SLAPI_OPERATION, &operation); slapi_pblock_get(pb, SLAPI_MODRDN_TARGET_SDN, &origsdn); internal_op= operation_is_flag_set(operation, OP_FLAG_INTERNAL); /* * If ownership has not been passed to this function, we replace the * string input fields within the pblock with strdup'd copies. Why? * Because some pre- and post-op plugins may change them, and the * convention is that plugins should place a malloc'd string in the * pblock. Therefore, we need to be able to retrieve and free them * later. But the callers of the internal modrdn calls are promised * that we will not free these parameters... so if passin_args is * zero, we need to make copies. * * In the case of SLAPI_MODRDN_TARGET_SDN and SLAPI_MODRDN_NEWSUPERIOR_SDN, * we replace the existing values with normalized values (because plugins * expect these DNs to be normalized). */ if (NULL == origsdn) { sdn = slapi_sdn_new_dn_byval(dn); slapi_pblock_set(pb, SLAPI_MODRDN_TARGET_SDN, sdn); } if (passin_args) { if (NULL == sdn) { /* origsdn is not NULL, so use it. */ sdn = origsdn; } } else { if (NULL == sdn) { sdn = slapi_sdn_dup(origsdn); } newrdn = slapi_ch_strdup(newrdn); newsuperiorsdn = slapi_sdn_dup(newsuperiorsdn); slapi_pblock_set(pb, SLAPI_MODRDN_TARGET_SDN, sdn); slapi_pblock_set(pb, SLAPI_MODRDN_NEWRDN, (void *)newrdn); slapi_pblock_set(pb, SLAPI_MODRDN_NEWSUPERIOR_SDN, newsuperiorsdn); } /* normdn = slapi_sdn_get_dn(sdn); */ newsuperior = slapi_sdn_get_dn(newsuperiorsdn); /* get the proxy auth dn if the proxy auth control is present */ proxy_err = proxyauth_get_dn(pb, &proxydn, &errtext); /* * first, log the operation to the access log, * then check rdn and newsuperior, * and - if applicable - log reason of any error to the errors log */ if (operation_is_flag_set(operation,OP_FLAG_ACTION_LOG_ACCESS)) { if (proxydn) { proxystr = slapi_ch_smprintf(" authzid=\"%s\"", proxydn); } if ( !internal_op ) { slapi_log_access(LDAP_DEBUG_STATS, "conn=%" NSPRIu64 " op=%d MODRDN dn=\"%s\" newrdn=\"%s\" newsuperior=\"%s\"%s\n", pb->pb_conn->c_connid, pb->pb_op->o_opid, dn, newrdn ? newrdn : "(null)", newsuperior ? newsuperior : "(null)", proxystr ? proxystr : ""); } else { slapi_log_access(LDAP_DEBUG_ARGS, "conn=%s op=%d MODRDN dn=\"%s\" newrdn=\"%s\" newsuperior=\"%s\"%s\n", LOG_INTERNAL_OP_CON_ID, LOG_INTERNAL_OP_OP_ID, dn, newrdn ? newrdn : "(null)", newsuperior ? newsuperior : "(null)", proxystr ? proxystr : ""); } } /* If we encountered an error parsing the proxy control, return an error * to the client. We do this here to ensure that we log the operation first. */ if (proxy_err != LDAP_SUCCESS) { send_ldap_result(pb, proxy_err, NULL, errtext, 0, NULL); goto free_and_return_nolock; } /* check that the rdn is formatted correctly */ if ((rdns = slapi_ldap_explode_rdn(newrdn, 0)) == NULL) { if ( !internal_op ) { slapi_log_error(SLAPI_LOG_ARGS, NULL, "conn=%" NSPRIu64 " op=%d MODRDN invalid new RDN (\"%s\")\n", pb->pb_conn->c_connid, pb->pb_op->o_opid, (NULL == newrdn) ? "(null)" : newrdn); } else { slapi_log_error(SLAPI_LOG_ARGS, NULL, "conn=%s op=%d MODRDN invalid new RDN (\"%s\")\n", LOG_INTERNAL_OP_CON_ID, LOG_INTERNAL_OP_OP_ID, (NULL == newrdn) ? "(null)" : newrdn); } send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX, NULL, "invalid RDN", 0, NULL); goto free_and_return_nolock; } else { slapi_ldap_value_free(rdns); } /* check if created attributes are used in the new RDN */ /* check_rdn_for_created_attrs ignores the cases */ if (check_rdn_for_created_attrs((const char *)newrdn)) { send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX, NULL, "invalid attribute in RDN", 0, NULL); goto free_and_return_nolock; } /* check that the dn is formatted correctly */ err = slapi_dn_syntax_check(pb, newsuperior, 1); if (err) { LDAPDebug0Args(LDAP_DEBUG_ARGS, "Syntax check of newSuperior failed\n"); if (!internal_op) { slapi_log_error(SLAPI_LOG_ARGS, NULL, "conn=%" NSPRIu64 " op=%d MODRDN invalid new superior (\"%s\")", pb->pb_conn->c_connid, pb->pb_op->o_opid, newsuperior ? newsuperior : "(null)"); } else { slapi_log_error(SLAPI_LOG_ARGS, NULL, "conn=%s op=%d MODRDN invalid new superior (\"%s\")", LOG_INTERNAL_OP_CON_ID, LOG_INTERNAL_OP_OP_ID, newsuperior ? newsuperior : "(null)"); } send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX, NULL, "newSuperior does not look like a DN", 0, NULL); goto free_and_return_nolock; } if (newsuperior != NULL) { LDAPDebug(LDAP_DEBUG_ARGS, "do_moddn: newsuperior (%s)\n", newsuperior, 0, 0); } /* target spec is used to decide which plugins are applicable for the operation */ operation_set_target_spec (pb->pb_op, sdn); /* * Construct the new DN (code sdn from backend * and modified to handle newsuperior) */ newdn = slapi_moddn_get_newdn(sdn, newrdn, newsuperior); /* * We could be serving multiple database backends. Select the * appropriate one, or send a referral to our "referral server" * if we don't hold it. */ /* slapi_mapping_tree_select_and_check ignores the case of newdn * which is generated using newrdn above. */ if ((err = slapi_mapping_tree_select_and_check(pb, newdn, &be, &referral, errorbuf)) != LDAP_SUCCESS) { send_ldap_result(pb, err, NULL, errorbuf, 0, NULL); goto free_and_return_nolock; } if (referral) { int managedsait; slapi_pblock_get(pb, SLAPI_MANAGEDSAIT, &managedsait); if (managedsait) { send_ldap_result(pb, LDAP_UNWILLING_TO_PERFORM, NULL, "cannot update referral", 0, NULL); slapi_entry_free(referral); goto free_and_return; } send_referrals_from_entry(pb,referral); slapi_entry_free(referral); goto free_and_return; } slapi_pblock_set(pb, SLAPI_BACKEND, be); /* can get lastmod only after backend is selected */ slapi_pblock_get(pb, SLAPI_BE_LASTMOD, &lastmod); /* if it is a replicated operation - leave lastmod attributes alone */ slapi_mods_init (&smods, 2); if (!repl_op && lastmod) { modify_update_last_modified_attr(pb, &smods); slapi_pblock_set(pb, SLAPI_MODIFY_MODS, (void*)slapi_mods_get_ldapmods_passout(&smods)); } else { slapi_mods_done (&smods); } /* * call the pre-modrdn plugins. if they succeed, call * the backend modrdn function. then call the * post-modrdn plugins. */ if (plugin_call_plugins(pb, internal_op ? SLAPI_PLUGIN_INTERNAL_PRE_MODRDN_FN : SLAPI_PLUGIN_PRE_MODRDN_FN) == 0) { int rc= LDAP_OPERATIONS_ERROR; slapi_pblock_set(pb, SLAPI_PLUGIN, be->be_database); set_db_default_result_handlers(pb); if (be->be_modrdn != NULL) { if ((rc = (*be->be_modrdn)(pb)) == 0) { Slapi_Entry *pse; Slapi_Entry *ecopy; /* we don't perform acl check for internal operations */ /* dont update aci store for remote acis */ if ((!internal_op) && (!slapi_be_is_flag_set(be,SLAPI_BE_FLAG_REMOTE_DATA))) plugin_call_acl_mods_update (pb, SLAPI_OPERATION_MODRDN); if (operation_is_flag_set(operation,OP_FLAG_ACTION_LOG_AUDIT)) write_audit_log_entry(pb); /* Record the operation in the audit log */ slapi_pblock_get(pb, SLAPI_ENTRY_POST_OP, &pse); slapi_pblock_get(pb, SLAPI_ENTRY_PRE_OP, &ecopy); /* GGOODREPL persistent search system needs the changenumber, oops. */ do_ps_service(pse, ecopy, LDAP_CHANGETYPE_MODDN, 0); } } else { send_ldap_result(pb, LDAP_UNWILLING_TO_PERFORM, NULL, "Function not implemented", 0, NULL); } slapi_pblock_set(pb, SLAPI_PLUGIN_OPRETURN, &rc); plugin_call_plugins(pb, internal_op ? SLAPI_PLUGIN_INTERNAL_POST_MODRDN_FN : SLAPI_PLUGIN_POST_MODRDN_FN); } free_and_return: if (be) slapi_be_Unlock(be); free_and_return_nolock: { /* Free up everything left in the PBlock */ Slapi_Entry *pse; Slapi_Entry *ecopy; LDAPMod **mods; char *s; if (passin_args) { if (NULL == origsdn) { slapi_sdn_free(&sdn); } } else { slapi_pblock_get(pb, SLAPI_MODRDN_TARGET_SDN, &sdn); slapi_sdn_free(&sdn); /* get newrdn to free the string */ slapi_pblock_get(pb, SLAPI_MODRDN_NEWRDN, &newrdn); slapi_ch_free_string(&newrdn); slapi_pblock_get(pb, SLAPI_MODRDN_NEWSUPERIOR_SDN, &newsuperiorsdn); slapi_sdn_free(&newsuperiorsdn); } slapi_ch_free_string(&newdn); slapi_pblock_get(pb, SLAPI_ENTRY_PRE_OP, &ecopy); slapi_entry_free(ecopy); slapi_pblock_get(pb, SLAPI_ENTRY_POST_OP, &pse); slapi_entry_free(pse); slapi_pblock_get( pb, SLAPI_MODIFY_MODS, &mods ); ldap_mods_free( mods, 1 ); slapi_ch_free_string(&proxydn); slapi_ch_free_string(&proxystr); slapi_pblock_get(pb, SLAPI_URP_NAMING_COLLISION_DN, &s); slapi_ch_free((void **)&s); } }
/* This function is called to process operation that come over external connections */ void do_add( Slapi_PBlock *pb ) { Slapi_Operation *operation; BerElement *ber; char *last; ber_len_t len = LBER_ERROR; ber_tag_t tag; Slapi_Entry *e = NULL; int err; int rc; PRBool searchsubentry=PR_TRUE; slapi_log_err(SLAPI_LOG_TRACE, "do_add", "==>\n"); slapi_pblock_get( pb, SLAPI_OPERATION, &operation); ber = operation->o_ber; /* count the add request */ slapi_counter_increment(g_get_global_snmp_vars()->ops_tbl.dsAddEntryOps); /* * Parse the add request. It looks like this: * * AddRequest := [APPLICATION 14] SEQUENCE { * name DistinguishedName, * attrs SEQUENCE OF SEQUENCE { * type AttributeType, * values SET OF AttributeValue * } * } */ /* get the name */ { char *rawdn = NULL; Slapi_DN mysdn; if ( ber_scanf( ber, "{a", &rawdn ) == LBER_ERROR ) { slapi_ch_free_string(&rawdn); slapi_log_err(SLAPI_LOG_ERR, "do_add", "ber_scanf failed (op=Add; params=DN)\n"); op_shared_log_error_access (pb, "ADD", "???", "decoding error"); send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL, "decoding error", 0, NULL ); return; } /* Check if we should be performing strict validation. */ if (config_get_dn_validate_strict()) { /* check that the dn is formatted correctly */ rc = slapi_dn_syntax_check(pb, rawdn, 1); if (rc) { /* syntax check failed */ op_shared_log_error_access(pb, "ADD", rawdn?rawdn:"", "strict: invalid dn"); send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX, NULL, "invalid dn", 0, NULL); slapi_ch_free_string(&rawdn); return; } } slapi_sdn_init_dn_passin(&mysdn, rawdn); if (rawdn && (strlen(rawdn) > 0) && (NULL == slapi_sdn_get_dn(&mysdn))) { /* normalization failed */ op_shared_log_error_access(pb, "ADD", rawdn, "invalid dn"); send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX, NULL, "invalid dn", 0, NULL); slapi_sdn_done(&mysdn); return; } e = slapi_entry_alloc(); /* Responsibility for DN is passed to the Entry. */ slapi_entry_init_ext(e, &mysdn, NULL); slapi_sdn_done(&mysdn); } slapi_log_err(SLAPI_LOG_ARGS, "do_add", "dn (%s)\n", (char *)slapi_entry_get_dn_const(e)); /* get the attrs */ for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT && tag != LBER_END_OF_SEQORSET; tag = ber_next_element( ber, &len, last ) ) { char *type = NULL, *normtype = NULL; struct berval **vals = NULL; len = -1; /* reset - not used in loop */ if ( ber_scanf( ber, "{a{V}}", &type, &vals ) == LBER_ERROR ) { op_shared_log_error_access (pb, "ADD", slapi_sdn_get_dn (slapi_entry_get_sdn_const(e)), "decoding error"); send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL, "decoding error", 0, NULL ); slapi_ch_free_string(&type); ber_bvecfree( vals ); goto free_and_return; } if ( vals == NULL ) { slapi_log_err(SLAPI_LOG_ERR, "do_add - no values for type %s\n", type, 0, 0 ); op_shared_log_error_access (pb, "ADD", slapi_sdn_get_dn (slapi_entry_get_sdn_const(e)), "null value"); send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL, NULL, 0, NULL ); slapi_ch_free_string(&type); goto free_and_return; } normtype = slapi_attr_syntax_normalize(type); if ( !normtype || !*normtype ) { char ebuf[SLAPI_DSE_RETURNTEXT_SIZE]; rc = LDAP_INVALID_SYNTAX; slapi_create_errormsg(ebuf, sizeof(ebuf), "invalid type '%s'", type); op_shared_log_error_access (pb, "ADD", slapi_sdn_get_dn (slapi_entry_get_sdn_const(e)), ebuf); send_ldap_result( pb, rc, NULL, ebuf, 0, NULL ); slapi_ch_free_string(&type); slapi_ch_free( (void**)&normtype ); ber_bvecfree( vals ); goto free_and_return; } slapi_ch_free_string(&type); /* for now we just ignore attributes that client is not allowed to modify so not to break existing clients */ if (op_shared_is_allowed_attr (normtype, pb->pb_conn->c_isreplication_session)){ if (( rc = slapi_entry_add_values( e, normtype, vals )) != LDAP_SUCCESS ) { slapi_log_access( LDAP_DEBUG_STATS, "conn=%" NSPRIu64 " op=%d ADD dn=\"%s\", add values for type %s failed\n", pb->pb_conn->c_connid, operation->o_opid, slapi_entry_get_dn_const(e), normtype ); send_ldap_result( pb, rc, NULL, NULL, 0, NULL ); slapi_ch_free( (void**)&normtype ); ber_bvecfree( vals ); goto free_and_return; } /* if this is uniqueid attribute, set uniqueid field of the entry */ if (strcasecmp (normtype, SLAPI_ATTR_UNIQUEID) == 0) { e->e_uniqueid = slapi_ch_strdup (vals[0]->bv_val); } if(searchsubentry) searchsubentry=check_oc_subentry(e,vals,normtype); } slapi_ch_free( (void**)&normtype ); ber_bvecfree( vals ); } /* Ensure that created attributes are not used in the RDN. */ if (check_rdn_for_created_attrs(e)) { op_shared_log_error_access (pb, "ADD", slapi_sdn_get_dn(slapi_entry_get_sdn_const(e)), "invalid DN"); send_ldap_result( pb, LDAP_INVALID_DN_SYNTAX, NULL, "illegal attribute in RDN", 0, NULL ); goto free_and_return; } /* len, is ber_len_t, which is uint. Can't be -1. May be better to remove (len != 0) check */ if ( (tag != LBER_END_OF_SEQORSET) && (len != -1) ) { op_shared_log_error_access (pb, "ADD", slapi_sdn_get_dn (slapi_entry_get_sdn_const(e)), "decoding error"); send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL, "decoding error", 0, NULL ); goto free_and_return; } /* * in LDAPv3 there can be optional control extensions on * the end of an LDAPMessage. we need to read them in and * pass them to the backend. */ if ( (err = get_ldapmessage_controls( pb, ber, NULL )) != 0 ) { op_shared_log_error_access (pb, "ADD", slapi_sdn_get_dn (slapi_entry_get_sdn_const(e)), "failed to decode LDAP controls"); send_ldap_result( pb, err, NULL, NULL, 0, NULL ); goto free_and_return; } slapi_pblock_set( pb, SLAPI_REQUESTOR_ISROOT, &operation->o_isroot ); slapi_pblock_set( pb, SLAPI_ADD_ENTRY, e ); if (pb->pb_conn->c_flags & CONN_FLAG_IMPORT) { /* this add is actually part of a bulk import -- punt */ handle_fast_add(pb, e); } else { op_shared_add ( pb ); } /* make sure that we don't free entry if it is successfully added */ e = NULL; free_and_return:; if (e) slapi_entry_free (e); }