1 /*- 2 * Copyright (c) 2006 Shteryana Shopova <syrinx@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * Bridge MIB implementation for SNMPd. 27 * Bridge pfil controls. 28 * 29 * $FreeBSD$ 30 */ 31 32 #include <sys/types.h> 33 #include <sys/sysctl.h> 34 #include <sys/socket.h> 35 36 #include <net/ethernet.h> 37 #include <net/if.h> 38 #include <net/if_mib.h> 39 #include <net/if_types.h> 40 41 #include <errno.h> 42 #include <string.h> 43 #include <stdlib.h> 44 #include <syslog.h> 45 46 #include <bsnmp/snmpmod.h> 47 #include <bsnmp/snmp_mibII.h> 48 49 #include "bridge_tree.h" 50 #include "bridge_snmp.h" 51 52 static int 53 val2snmp_truth(uint8_t val) 54 { 55 if (val == 0) 56 return (2); 57 58 return (1); 59 } 60 61 static int 62 snmp_truth2val(int32_t truth) 63 { 64 if (truth == 2) 65 return (0); 66 else if (truth == 1) 67 return (1); 68 69 return (-1); 70 } 71 72 int 73 op_begemot_bridge_pf(struct snmp_context *ctx, struct snmp_value *val, 74 uint sub, uint iidx __unused, enum snmp_op op) 75 { 76 int k_val; 77 78 if (val->var.subs[sub - 1] > LEAF_begemotBridgeLayer2PfStatus) 79 return (SNMP_ERR_NOSUCHNAME); 80 81 switch (op) { 82 case SNMP_OP_GETNEXT: 83 abort(); 84 case SNMP_OP_ROLLBACK: 85 bridge_do_pfctl(val->var.subs[sub - 1] - 1, 86 op, &(ctx->scratch->int1)); 87 return (SNMP_ERR_NOERROR); 88 89 case SNMP_OP_COMMIT: 90 return (SNMP_ERR_NOERROR); 91 92 case SNMP_OP_SET: 93 ctx->scratch->int1 = 94 bridge_get_pfval(val->var.subs[sub - 1]); 95 96 if ((k_val = snmp_truth2val(val->v.integer)) < 0) 97 return (SNMP_ERR_BADVALUE); 98 return (SNMP_ERR_NOERROR); 99 100 case SNMP_OP_GET: 101 switch (val->var.subs[sub - 1]) { 102 case LEAF_begemotBridgePfilStatus: 103 case LEAF_begemotBridgePfilMembers: 104 case LEAF_begemotBridgePfilIpOnly: 105 case LEAF_begemotBridgeLayer2PfStatus: 106 if (bridge_do_pfctl(val->var.subs[sub - 1] - 1, 107 op, &k_val) < 0) 108 return (SNMP_ERR_GENERR); 109 val->v.integer = val2snmp_truth(k_val); 110 return (SNMP_ERR_NOERROR); 111 } 112 abort(); 113 } 114 115 abort(); 116 } 117