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/* $OpenBSD: snmp.c,v 1.29 2017/05/28 10:39:15 benno Exp $ */ |
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/* |
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* Copyright (c) 2008 - 2014 Reyk Floeter <reyk@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <sys/queue.h> |
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#include <sys/time.h> |
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#include <sys/un.h> |
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#include <netinet/in.h> |
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#include <limits.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stdint.h> |
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#include <errno.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <event.h> |
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#include <imsg.h> |
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#include "relayd.h" |
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#include "snmp.h" |
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#define HOST_MAX_SUBIDX 10 |
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#define TABLE_MAX_SUBIDX 3 |
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#define ROUTER_MAX_SUBIDX 6 |
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#define NETROUTE_MAX_SUBIDX 5 |
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#define RELAY_MAX_SUBIDX 10 |
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#define SESSION_MAX_SUBIDX 12 |
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#define RDR_MAX_SUBIDX 10 |
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#define OIDIDX_relaydInfo 9 |
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#define RELAYD_MIB "1.3.6.1.4.1.30155.3" |
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#define SNMP_ELEMENT(x...) do { \ |
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if (snmp_element(RELAYD_MIB x) == -1) \ |
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goto done; \ |
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} while (0) |
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static struct snmp_oid hosttrapoid = { |
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{ 1, 3, 6, 1, 4, 1, 30155, 3, 1, 0 }, |
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10 |
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}; |
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static struct snmp_oid relaydinfooid = { |
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{ 1, 3, 6, 1, 4, 1, 30155, 3, 2 }, |
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9 |
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}; |
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static struct agentx_handle *snmp_agentx = NULL; |
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enum privsep_procid snmp_procid; |
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void snmp_sock(int, short, void *); |
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int snmp_element(const char *, enum snmp_type, void *, int64_t, |
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struct agentx_pdu *); |
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int snmp_string2oid(const char *, struct snmp_oid *); |
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char *snmp_oid2string(struct snmp_oid *, char *, size_t); |
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void snmp_event_add(struct relayd *, int); |
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void snmp_agentx_process(struct agentx_handle *, struct agentx_pdu *, |
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void *); |
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int snmp_register(struct relayd *); |
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int snmp_unregister(struct relayd *); |
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void *sstodata(struct sockaddr_storage *); |
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size_t sstolen(struct sockaddr_storage *); |
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struct host * |
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snmp_host_byidx(struct relayd *, u_int *, u_int *, u_int, u_int); |
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struct table * |
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snmp_table_byidx(struct relayd *, u_int *, u_int *, u_int, u_int); |
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struct router * |
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snmp_router_byidx(struct relayd *, u_int *, u_int *, u_int, u_int); |
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struct relay * |
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snmp_relay_byidx(struct relayd *, u_int *, u_int *, u_int, u_int); |
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struct rsession * |
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snmp_session_byidx(struct relayd *, u_int *, u_int *, u_int, u_int); |
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struct rdr * |
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snmp_rdr_byidx(struct relayd *, u_int *, u_int *, u_int, u_int); |
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struct netroute * |
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snmp_netroute_byidx(struct relayd *, u_int *, u_int *, u_int, u_int); |
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int snmp_redirect(struct relayd *, struct snmp_oid *, struct agentx_pdu *, |
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int, uint32_t, uint32_t, u_int); |
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int snmp_relay(struct relayd *, struct snmp_oid *, struct agentx_pdu *, |
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int, uint32_t, uint32_t, u_int); |
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int snmp_router(struct relayd *, struct snmp_oid *, struct agentx_pdu *, |
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int, uint32_t, uint32_t, u_int); |
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int snmp_netroute(struct relayd *, struct snmp_oid *, struct agentx_pdu *, |
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int, uint32_t, uint32_t, u_int); |
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int snmp_host(struct relayd *, struct snmp_oid *, struct agentx_pdu *, |
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int, uint32_t, uint32_t, u_int); |
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int snmp_session(struct relayd *, struct snmp_oid *, struct agentx_pdu *, |
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int, uint32_t, uint32_t, u_int); |
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int snmp_table(struct relayd *, struct snmp_oid *, struct agentx_pdu *, |
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int, uint32_t, uint32_t, u_int); |
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113 |
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void |
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snmp_init(struct relayd *env, enum privsep_procid id) |
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{ |
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if (event_initialized(&env->sc_snmpev)) |
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event_del(&env->sc_snmpev); |
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if (event_initialized(&env->sc_snmpto)) |
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event_del(&env->sc_snmpto); |
120 |
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if (env->sc_snmp != -1) { |
121 |
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if (snmp_agentx) { |
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snmp_unregister(env); |
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snmp_agentx_close(snmp_agentx, AGENTX_CLOSE_OTHER); |
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snmp_agentx = NULL; |
125 |
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} |
126 |
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close(env->sc_snmp); |
127 |
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env->sc_snmp = -1; |
128 |
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} |
129 |
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130 |
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if ((env->sc_conf.flags & F_SNMP) == 0) |
131 |
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return; |
132 |
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133 |
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snmp_procid = id; |
134 |
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135 |
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proc_compose(env->sc_ps, snmp_procid, IMSG_SNMPSOCK, NULL, 0); |
136 |
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} |
137 |
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138 |
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void |
139 |
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snmp_setsock(struct relayd *env, enum privsep_procid id) |
140 |
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{ |
141 |
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struct sockaddr_un sun; |
142 |
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int s = -1; |
143 |
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144 |
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if ((s = socket(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK, 0)) == -1) |
145 |
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goto done; |
146 |
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147 |
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bzero(&sun, sizeof(sun)); |
148 |
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sun.sun_family = AF_UNIX; |
149 |
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if (strlcpy(sun.sun_path, env->sc_conf.snmp_path, |
150 |
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sizeof(sun.sun_path)) >= sizeof(sun.sun_path)) |
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fatalx("invalid socket path"); |
152 |
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153 |
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if (connect(s, (struct sockaddr *)&sun, sizeof(sun)) == -1) { |
154 |
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close(s); |
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s = -1; |
156 |
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} |
157 |
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done: |
158 |
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proc_compose_imsg(env->sc_ps, id, -1, IMSG_SNMPSOCK, -1, s, NULL, 0); |
159 |
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} |
160 |
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161 |
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int |
162 |
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snmp_getsock(struct relayd *env, struct imsg *imsg) |
163 |
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{ |
164 |
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struct timeval tv = SNMP_RECONNECT_TIMEOUT; |
165 |
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struct agentx_pdu *pdu; |
166 |
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167 |
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if (imsg->fd == -1) |
168 |
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goto retry; |
169 |
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170 |
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env->sc_snmp = imsg->fd; |
171 |
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172 |
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log_debug("%s: got new snmp socket %d", __func__, imsg->fd); |
173 |
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174 |
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if ((snmp_agentx = snmp_agentx_alloc(env->sc_snmp)) == NULL) |
175 |
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fatal("%s: agentx alloc", __func__); |
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if ((pdu = snmp_agentx_open_pdu(snmp_agentx, "relayd", NULL)) == NULL) |
177 |
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fatal("%s: agentx pdu", __func__); |
178 |
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(void)snmp_agentx_send(snmp_agentx, pdu); |
179 |
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180 |
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snmp_event_add(env, EV_WRITE); |
181 |
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182 |
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return (0); |
183 |
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retry: |
184 |
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evtimer_set(&env->sc_snmpto, snmp_sock, env); |
185 |
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evtimer_add(&env->sc_snmpto, &tv); |
186 |
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return (0); |
187 |
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} |
188 |
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189 |
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void |
190 |
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snmp_event_add(struct relayd *env, int wflag) |
191 |
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{ |
192 |
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event_del(&env->sc_snmpev); |
193 |
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event_set(&env->sc_snmpev, env->sc_snmp, EV_READ|wflag, snmp_sock, env); |
194 |
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event_add(&env->sc_snmpev, NULL); |
195 |
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} |
196 |
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197 |
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void |
198 |
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snmp_sock(int fd, short event, void *arg) |
199 |
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{ |
200 |
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struct relayd *env = arg; |
201 |
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struct agentx_pdu *pdu; |
202 |
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int evflags = 0; |
203 |
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204 |
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if (event & EV_TIMEOUT) { |
205 |
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goto reopen; |
206 |
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} |
207 |
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if (event & EV_WRITE) { |
208 |
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if (snmp_agentx_send(snmp_agentx, NULL) == -1) { |
209 |
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if (errno != EAGAIN) |
210 |
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goto close; |
211 |
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212 |
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/* short write */ |
213 |
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evflags |= EV_WRITE; |
214 |
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} |
215 |
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} |
216 |
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if (event & EV_READ) { |
217 |
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if ((pdu = snmp_agentx_recv(snmp_agentx)) == NULL) { |
218 |
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if (snmp_agentx->error) { |
219 |
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log_warnx("agentx protocol error '%i'", |
220 |
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snmp_agentx->error); |
221 |
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goto close; |
222 |
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} |
223 |
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if (errno != EAGAIN) { |
224 |
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log_warn("agentx socket error"); |
225 |
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goto close; |
226 |
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} |
227 |
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228 |
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/* short read */ |
229 |
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goto out; |
230 |
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} |
231 |
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232 |
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snmp_agentx_process(snmp_agentx, pdu, env); |
233 |
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} |
234 |
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out: |
235 |
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snmp_event_add(env, evflags); |
236 |
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return; |
237 |
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238 |
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close: |
239 |
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log_debug("%s: snmp socket closed %d", __func__, env->sc_snmp); |
240 |
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snmp_agentx_free(snmp_agentx); |
241 |
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env->sc_snmp = -1; |
242 |
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snmp_agentx = NULL; |
243 |
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reopen: |
244 |
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proc_compose(env->sc_ps, snmp_procid, IMSG_SNMPSOCK, NULL, 0); |
245 |
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return; |
246 |
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} |
247 |
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248 |
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void |
249 |
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snmp_agentx_process(struct agentx_handle *h, struct agentx_pdu *pdu, void *arg) |
250 |
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{ |
251 |
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struct agentx_getbulk_repeaters repeaters; |
252 |
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struct agentx_search_range sr; |
253 |
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struct snmp_oid oid; |
254 |
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struct agentx_close_request_data close_hdr; |
255 |
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struct relayd *env = arg; |
256 |
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struct agentx_pdu *resp; |
257 |
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u_int erridx = 0; |
258 |
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int getnext = 0, repetitions; |
259 |
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int nonrepeaters, maxrepetitions; |
260 |
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261 |
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nonrepeaters = maxrepetitions = -1; |
262 |
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|
263 |
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switch (pdu->hdr->type) { |
264 |
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case AGENTX_CLOSE: |
265 |
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snmp_agentx_read_raw(pdu, &close_hdr, sizeof(close_hdr)); |
266 |
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log_info("snmp: agentx master has closed connection (%i)", |
267 |
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close_hdr.reason); |
268 |
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|
269 |
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snmp_agentx_free(snmp_agentx); |
270 |
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env->sc_snmp = -1; |
271 |
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snmp_agentx = NULL; |
272 |
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proc_compose(env->sc_ps, snmp_procid, IMSG_SNMPSOCK, NULL, 0); |
273 |
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break; |
274 |
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|
275 |
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case AGENTX_GET_BULK: |
276 |
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if (snmp_agentx_read_raw(pdu, |
277 |
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&repeaters, sizeof(repeaters)) == -1) |
278 |
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break; |
279 |
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|
280 |
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nonrepeaters = repeaters.nonrepeaters; |
281 |
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maxrepetitions = repeaters.maxrepetitions; |
282 |
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|
283 |
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/* FALLTHROUGH */ |
284 |
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case AGENTX_GET: |
285 |
|
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case AGENTX_GET_NEXT: |
286 |
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if ((resp = snmp_agentx_response_pdu(0, |
287 |
|
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AGENTX_ERR_NONE, 0)) == NULL) { |
288 |
|
|
log_warn("%s unable to allocate response pdu", |
289 |
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__func__); |
290 |
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break; |
291 |
|
|
} |
292 |
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repetitions = 0; |
293 |
|
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repeat: |
294 |
|
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while (pdu->datalen > sizeof(struct agentx_hdr)) { |
295 |
|
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uint32_t infoendidx, infoentryendidx, |
296 |
|
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infoentryidxendidx; |
297 |
|
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|
298 |
|
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erridx++; |
299 |
|
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|
300 |
|
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/* AgentX GETs are the OID followed by the null OID */ |
301 |
|
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if (snmp_agentx_read_searchrange(pdu, &sr) == -1) { |
302 |
|
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snmp_agentx_pdu_free(resp); |
303 |
|
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resp = NULL; |
304 |
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break; |
305 |
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} |
306 |
|
|
|
307 |
|
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if (sr.end.o_n >= OIDIDX_relaydInfo + 1) |
308 |
|
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infoendidx = sr.end.o_id[OIDIDX_relaydInfo]; |
309 |
|
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else |
310 |
|
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infoendidx = UINT32_MAX; |
311 |
|
|
if (sr.end.o_n >= OIDIDX_relaydInfo + 1 + 1) |
312 |
|
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infoentryendidx = |
313 |
|
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sr.end.o_id[OIDIDX_relaydInfo + 1]; |
314 |
|
|
else |
315 |
|
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infoentryendidx = UINT32_MAX; |
316 |
|
|
if (sr.end.o_n >= OIDIDX_relaydInfo + 2 + 1) |
317 |
|
|
infoentryidxendidx = |
318 |
|
|
sr.end.o_id[OIDIDX_relaydInfo + 2]; |
319 |
|
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else |
320 |
|
|
infoentryidxendidx = UINT32_MAX; |
321 |
|
|
|
322 |
|
|
bcopy(&sr.start, &oid, sizeof(oid)); |
323 |
|
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|
324 |
|
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/* |
325 |
|
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* If the requested OID is not part of the registered |
326 |
|
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* MIB, return "no such object", per RFC |
327 |
|
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*/ |
328 |
|
|
if (snmp_oid_cmp(&relaydinfooid, &oid) == -1) { |
329 |
|
|
if (snmp_agentx_varbind(resp, &sr.start, |
330 |
|
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AGENTX_NO_SUCH_OBJECT, NULL, 0) == -1) { |
331 |
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log_warn("%s: unable to generate" |
332 |
|
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" response", __func__); |
333 |
|
|
snmp_agentx_pdu_free(resp); |
334 |
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resp = NULL; |
335 |
|
|
} |
336 |
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goto reply; |
337 |
|
|
} |
338 |
|
|
|
339 |
|
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if (oid.o_n != OIDIDX_relaydInfo + 2 + 1) { |
340 |
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/* GET requests require the exact OID */ |
341 |
|
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if (pdu->hdr->type == AGENTX_GET) |
342 |
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goto nosuchinstance; |
343 |
|
|
|
344 |
|
|
if (oid.o_n == OIDIDX_relaydInfo + 1) { |
345 |
|
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oid.o_id[OIDIDX_relaydInfo + 1] = 0; |
346 |
|
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oid.o_n = OIDIDX_relaydInfo + 1 + 1; |
347 |
|
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} |
348 |
|
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if (oid.o_n == OIDIDX_relaydInfo + 1 + 1) { |
349 |
|
|
oid.o_id[OIDIDX_relaydInfo + 2] = 0; |
350 |
|
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oid.o_n = OIDIDX_relaydInfo + 2 + 1; |
351 |
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} |
352 |
|
|
if (oid.o_n > OIDIDX_relaydInfo + 2 + 1) |
353 |
|
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oid.o_n = OIDIDX_relaydInfo + 2 + 1; |
354 |
|
|
} |
355 |
|
|
|
356 |
|
|
/* |
357 |
|
|
* If not including the starting OID, increment |
358 |
|
|
* here to go to the 'next' OID to allow the lookups |
359 |
|
|
* to work correctly, as they do 'include' matching |
360 |
|
|
*/ |
361 |
|
|
if (pdu->hdr->type == AGENTX_GET_NEXT) |
362 |
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|
getnext = 1; |
363 |
|
|
|
364 |
|
|
switch (oid.o_id[OIDIDX_relaydInfo]) { |
365 |
|
|
case 1: |
366 |
|
|
log_warnx("%s: redirects", __func__); |
367 |
|
|
if (infoendidx < 1) |
368 |
|
|
break; |
369 |
|
|
if (snmp_redirect(env, &oid, resp, getnext, |
370 |
|
|
infoentryendidx, infoentryidxendidx, |
371 |
|
|
sr.include) == 0) |
372 |
|
|
break; |
373 |
|
|
if (!getnext) |
374 |
|
|
goto nosuchinstance; |
375 |
|
|
|
376 |
|
|
oid.o_id[OIDIDX_relaydInfo] = 2; |
377 |
|
|
oid.o_id[OIDIDX_relaydInfo + 1] = 0; |
378 |
|
|
oid.o_id[OIDIDX_relaydInfo + 2] = 0; |
379 |
|
|
/* FALLTHROUGH */ |
380 |
|
|
case 2: |
381 |
|
|
log_warnx("%s: relays", __func__); |
382 |
|
|
if (infoendidx < 2) |
383 |
|
|
break; |
384 |
|
|
if (snmp_relay(env, &oid, resp, getnext, |
385 |
|
|
infoentryendidx, infoentryidxendidx, |
386 |
|
|
sr.include) == 0) |
387 |
|
|
break; |
388 |
|
|
if (!getnext) |
389 |
|
|
goto nosuchinstance; |
390 |
|
|
|
391 |
|
|
oid.o_id[OIDIDX_relaydInfo] = 3; |
392 |
|
|
oid.o_id[OIDIDX_relaydInfo + 1] = 0; |
393 |
|
|
oid.o_id[OIDIDX_relaydInfo + 2] = 0; |
394 |
|
|
/* FALLTHROUGH */ |
395 |
|
|
case 3: |
396 |
|
|
log_warnx("%s: routers", __func__); |
397 |
|
|
if (infoendidx < 3) |
398 |
|
|
break; |
399 |
|
|
if (snmp_router(env, &oid, resp, getnext, |
400 |
|
|
infoentryendidx, infoentryidxendidx, |
401 |
|
|
sr.include) == 0) |
402 |
|
|
break; |
403 |
|
|
if (!getnext) |
404 |
|
|
goto nosuchinstance; |
405 |
|
|
|
406 |
|
|
oid.o_id[OIDIDX_relaydInfo] = 4; |
407 |
|
|
oid.o_id[OIDIDX_relaydInfo + 1] = 0; |
408 |
|
|
oid.o_id[OIDIDX_relaydInfo + 2] = 0; |
409 |
|
|
/* FALLTHROUGH */ |
410 |
|
|
case 4: |
411 |
|
|
log_warnx("%s: relaydNetRoutes", __func__); |
412 |
|
|
if (infoendidx < 4) |
413 |
|
|
break; |
414 |
|
|
if (snmp_netroute(env, &oid, resp, getnext, |
415 |
|
|
infoentryendidx, infoentryidxendidx, |
416 |
|
|
sr.include) == 0) |
417 |
|
|
break; |
418 |
|
|
if (!getnext) |
419 |
|
|
goto nosuchinstance; |
420 |
|
|
|
421 |
|
|
oid.o_id[OIDIDX_relaydInfo] = 5; |
422 |
|
|
oid.o_id[OIDIDX_relaydInfo + 1] = 0; |
423 |
|
|
oid.o_id[OIDIDX_relaydInfo + 2] = 0; |
424 |
|
|
/* FALLTHROUGH */ |
425 |
|
|
case 5: |
426 |
|
|
log_warnx("%s: hosts", __func__); |
427 |
|
|
if (infoendidx < 5) |
428 |
|
|
break; |
429 |
|
|
if (snmp_host(env, &oid, resp, getnext, |
430 |
|
|
infoentryendidx, infoentryidxendidx, |
431 |
|
|
sr.include) == 0) |
432 |
|
|
break; |
433 |
|
|
if (!getnext) |
434 |
|
|
goto nosuchinstance; |
435 |
|
|
|
436 |
|
|
oid.o_id[OIDIDX_relaydInfo] = 6; |
437 |
|
|
oid.o_id[OIDIDX_relaydInfo + 1] = 0; |
438 |
|
|
oid.o_id[OIDIDX_relaydInfo + 2] = 0; |
439 |
|
|
/* FALLTHROUGH */ |
440 |
|
|
case 6: |
441 |
|
|
log_warnx("%s: sessions", __func__); |
442 |
|
|
if (infoendidx < 6) |
443 |
|
|
break; |
444 |
|
|
if (snmp_session(env, &oid, resp, getnext, |
445 |
|
|
infoentryendidx, infoentryidxendidx, |
446 |
|
|
sr.include) == 0) |
447 |
|
|
break; |
448 |
|
|
if (!getnext) |
449 |
|
|
goto nosuchinstance; |
450 |
|
|
|
451 |
|
|
oid.o_id[OIDIDX_relaydInfo] = 7; |
452 |
|
|
oid.o_id[OIDIDX_relaydInfo + 1] = 0; |
453 |
|
|
oid.o_id[OIDIDX_relaydInfo + 2] = 0; |
454 |
|
|
/* FALLTHROUGH */ |
455 |
|
|
case 7: |
456 |
|
|
log_warnx("%s: tables", __func__); |
457 |
|
|
if (infoendidx < 7) |
458 |
|
|
break; |
459 |
|
|
if (snmp_table(env, &oid, resp, getnext, |
460 |
|
|
infoentryendidx, infoentryidxendidx, |
461 |
|
|
sr.include) == 0) |
462 |
|
|
break; |
463 |
|
|
if (!getnext) |
464 |
|
|
goto nosuchinstance; |
465 |
|
|
|
466 |
|
|
if (snmp_agentx_varbind(resp, &oid, |
467 |
|
|
AGENTX_END_OF_MIB_VIEW, NULL, 0) == -1) { |
468 |
|
|
log_warn("%s: unable to generate" |
469 |
|
|
" response", __func__); |
470 |
|
|
snmp_agentx_pdu_free(resp); |
471 |
|
|
resp = NULL; |
472 |
|
|
} |
473 |
|
|
goto reply; |
474 |
|
|
default: |
475 |
|
|
nosuchinstance: |
476 |
|
|
log_warnx("unknown index %i", |
477 |
|
|
oid.o_id[OIDIDX_relaydInfo]); |
478 |
|
|
if (snmp_agentx_varbind(resp, &sr.start, |
479 |
|
|
AGENTX_NO_SUCH_INSTANCE, NULL, 0) == -1) { |
480 |
|
|
log_warn("%s: unable to generate" |
481 |
|
|
" response", __func__); |
482 |
|
|
snmp_agentx_pdu_free(resp); |
483 |
|
|
resp = NULL; |
484 |
|
|
} |
485 |
|
|
goto reply; |
486 |
|
|
} |
487 |
|
|
} |
488 |
|
|
|
489 |
|
|
if (pdu->hdr->type == AGENTX_GET_BULK) { |
490 |
|
|
if (nonrepeaters >= 0) |
491 |
|
|
nonrepeaters--; |
492 |
|
|
else if (repetitions < maxrepetitions) { |
493 |
|
|
repetitions++; |
494 |
|
|
goto repeat; |
495 |
|
|
} |
496 |
|
|
} |
497 |
|
|
reply: |
498 |
|
|
if (resp) { |
499 |
|
|
snmp_agentx_send(snmp_agentx, resp); |
500 |
|
|
snmp_event_add(env, EV_WRITE); |
501 |
|
|
} |
502 |
|
|
|
503 |
|
|
break; |
504 |
|
|
|
505 |
|
|
case AGENTX_TEST_SET: |
506 |
|
|
case AGENTX_COMMIT_SET: |
507 |
|
|
case AGENTX_UNDO_SET: |
508 |
|
|
case AGENTX_CLEANUP_SET: |
509 |
|
|
log_warnx("unimplemented request type '%s'", |
510 |
|
|
snmp_agentx_type2name(pdu->hdr->type)); |
511 |
|
|
break; |
512 |
|
|
|
513 |
|
|
case AGENTX_RESPONSE: |
514 |
|
|
switch (pdu->request->hdr->type) { |
515 |
|
|
case AGENTX_NOTIFY: |
516 |
|
|
if (snmp_agentx_response(h, pdu) == -1) |
517 |
|
|
break; |
518 |
|
|
break; |
519 |
|
|
|
520 |
|
|
case AGENTX_OPEN: |
521 |
|
|
if (snmp_agentx_open_response(h, pdu) == -1) |
522 |
|
|
break; |
523 |
|
|
/* Open AgentX socket; register MIB if not trap-only */ |
524 |
|
|
if (!(env->sc_conf.flags & F_SNMP_TRAPONLY)) |
525 |
|
|
if (snmp_register(env) == -1) { |
526 |
|
|
log_warn("failed to register MIB"); |
527 |
|
|
break; |
528 |
|
|
} |
529 |
|
|
break; |
530 |
|
|
|
531 |
|
|
case AGENTX_CLOSE: |
532 |
|
|
if (snmp_agentx_response(h, pdu) == -1) |
533 |
|
|
break; |
534 |
|
|
break; |
535 |
|
|
|
536 |
|
|
case AGENTX_REGISTER: |
537 |
|
|
if (snmp_agentx_response(h, pdu) == -1) |
538 |
|
|
break; |
539 |
|
|
break; |
540 |
|
|
|
541 |
|
|
case AGENTX_UNREGISTER: |
542 |
|
|
if (snmp_agentx_response(h, pdu) == -1) |
543 |
|
|
break; |
544 |
|
|
break; |
545 |
|
|
|
546 |
|
|
default: |
547 |
|
|
if (snmp_agentx_response(h, pdu) == -1) |
548 |
|
|
break; |
549 |
|
|
break; |
550 |
|
|
} |
551 |
|
|
break; |
552 |
|
|
|
553 |
|
|
/* these are nonsensical for subagents to receive */ |
554 |
|
|
case AGENTX_OPEN: |
555 |
|
|
case AGENTX_REGISTER: |
556 |
|
|
case AGENTX_UNREGISTER: |
557 |
|
|
case AGENTX_NOTIFY: |
558 |
|
|
case AGENTX_PING: |
559 |
|
|
case AGENTX_INDEX_ALLOCATE: |
560 |
|
|
case AGENTX_INDEX_DEALLOCATE: |
561 |
|
|
case AGENTX_ADD_AGENT_CAPS: |
562 |
|
|
case AGENTX_REMOVE_AGENT_CAPS: |
563 |
|
|
log_warnx("ignoring request type '%s'", |
564 |
|
|
snmp_agentx_type2name(pdu->hdr->type)); |
565 |
|
|
break; |
566 |
|
|
|
567 |
|
|
default: |
568 |
|
|
log_warnx("unknown request type '%i'", pdu->hdr->type); |
569 |
|
|
if (snmp_agentx_response(h, pdu) == -1) |
570 |
|
|
break; |
571 |
|
|
break; |
572 |
|
|
} |
573 |
|
|
|
574 |
|
|
snmp_agentx_pdu_free(pdu); |
575 |
|
|
return; |
576 |
|
|
} |
577 |
|
|
|
578 |
|
|
int |
579 |
|
|
snmp_register(struct relayd *env) |
580 |
|
|
{ |
581 |
|
|
struct agentx_pdu *pdu; |
582 |
|
|
|
583 |
|
|
if ((pdu = snmp_agentx_register_pdu(&relaydinfooid, 3, 0, 0)) == NULL) |
584 |
|
|
return (-1); |
585 |
|
|
|
586 |
|
|
if (snmp_agentx_send(snmp_agentx, pdu) == -1) |
587 |
|
|
return (-1); |
588 |
|
|
|
589 |
|
|
snmp_event_add(env, EV_WRITE); |
590 |
|
|
return (0); |
591 |
|
|
} |
592 |
|
|
|
593 |
|
|
int |
594 |
|
|
snmp_unregister(struct relayd *env) |
595 |
|
|
{ |
596 |
|
|
struct agentx_pdu *pdu; |
597 |
|
|
|
598 |
|
|
if ((pdu = snmp_agentx_unregister_pdu(&relaydinfooid, 0, 0)) == NULL) |
599 |
|
|
return (-1); |
600 |
|
|
|
601 |
|
|
if (snmp_agentx_send(snmp_agentx, pdu) == -1) |
602 |
|
|
return (-1); |
603 |
|
|
|
604 |
|
|
snmp_event_add(env, EV_WRITE); |
605 |
|
|
return (0); |
606 |
|
|
} |
607 |
|
|
|
608 |
|
|
int |
609 |
|
|
snmp_element(const char *oidstr, enum snmp_type type, void *buf, int64_t val, |
610 |
|
|
struct agentx_pdu *pdu) |
611 |
|
|
{ |
612 |
|
|
u_int32_t d; |
613 |
|
|
u_int64_t l; |
614 |
|
|
struct snmp_oid oid; |
615 |
|
|
|
616 |
|
|
DPRINTF("%s: oid %s type %d buf %p val %lld", __func__, |
617 |
|
|
oidstr, type, buf, val); |
618 |
|
|
|
619 |
|
|
if (snmp_string2oid(oidstr, &oid) == -1) |
620 |
|
|
return (-1); |
621 |
|
|
|
622 |
|
|
switch (type) { |
623 |
|
|
case SNMP_GAUGE32: |
624 |
|
|
case SNMP_NSAPADDR: |
625 |
|
|
case SNMP_INTEGER32: |
626 |
|
|
case SNMP_UINTEGER32: |
627 |
|
|
d = (u_int32_t)val; |
628 |
|
|
if (snmp_agentx_varbind(pdu, &oid, AGENTX_INTEGER, |
629 |
|
|
&d, sizeof(d)) == -1) |
630 |
|
|
return (-1); |
631 |
|
|
break; |
632 |
|
|
|
633 |
|
|
case SNMP_COUNTER32: |
634 |
|
|
d = (u_int32_t)val; |
635 |
|
|
if (snmp_agentx_varbind(pdu, &oid, AGENTX_COUNTER32, |
636 |
|
|
&d, sizeof(d)) == -1) |
637 |
|
|
return (-1); |
638 |
|
|
break; |
639 |
|
|
|
640 |
|
|
case SNMP_TIMETICKS: |
641 |
|
|
d = (u_int32_t)val; |
642 |
|
|
if (snmp_agentx_varbind(pdu, &oid, AGENTX_TIME_TICKS, |
643 |
|
|
&d, sizeof(d)) == -1) |
644 |
|
|
return (-1); |
645 |
|
|
break; |
646 |
|
|
|
647 |
|
|
case SNMP_COUNTER64: |
648 |
|
|
l = (u_int64_t)val; |
649 |
|
|
if (snmp_agentx_varbind(pdu, &oid, AGENTX_COUNTER64, |
650 |
|
|
&l, sizeof(l)) == -1) |
651 |
|
|
return (-1); |
652 |
|
|
break; |
653 |
|
|
|
654 |
|
|
case SNMP_IPADDR: |
655 |
|
|
case SNMP_OPAQUE: |
656 |
|
|
d = (u_int32_t)val; |
657 |
|
|
if (snmp_agentx_varbind(pdu, &oid, AGENTX_OPAQUE, |
658 |
|
|
buf, strlen(buf)) == -1) |
659 |
|
|
return (-1); |
660 |
|
|
break; |
661 |
|
|
|
662 |
|
|
case SNMP_OBJECT: { |
663 |
|
|
struct snmp_oid oid1; |
664 |
|
|
|
665 |
|
|
if (snmp_string2oid(buf, &oid1) == -1) |
666 |
|
|
return (-1); |
667 |
|
|
if (snmp_agentx_varbind(pdu, &oid, AGENTX_OBJECT_IDENTIFIER, |
668 |
|
|
&oid1, sizeof(oid1)) == -1) |
669 |
|
|
return (-1); |
670 |
|
|
} |
671 |
|
|
|
672 |
|
|
case SNMP_BITSTRING: |
673 |
|
|
case SNMP_OCTETSTRING: |
674 |
|
|
if (snmp_agentx_varbind(pdu, &oid, AGENTX_OCTET_STRING, |
675 |
|
|
buf, strlen(buf)) == -1) |
676 |
|
|
return (-1); |
677 |
|
|
break; |
678 |
|
|
|
679 |
|
|
case SNMP_NULL: |
680 |
|
|
/* no data beyond the OID itself */ |
681 |
|
|
if (snmp_agentx_varbind(pdu, &oid, AGENTX_NULL, |
682 |
|
|
NULL, 0) == -1) |
683 |
|
|
return (-1); |
684 |
|
|
} |
685 |
|
|
|
686 |
|
|
return (0); |
687 |
|
|
} |
688 |
|
|
|
689 |
|
|
/* |
690 |
|
|
* SNMP traps for relayd |
691 |
|
|
*/ |
692 |
|
|
|
693 |
|
|
void |
694 |
|
|
snmp_hosttrap(struct relayd *env, struct table *table, struct host *host) |
695 |
|
|
{ |
696 |
|
|
struct agentx_pdu *pdu; |
697 |
|
|
|
698 |
|
|
if (snmp_agentx == NULL || env->sc_snmp == -1) |
699 |
|
|
return; |
700 |
|
|
|
701 |
|
|
/* |
702 |
|
|
* OPENBSD-RELAYD-MIB host status trap |
703 |
|
|
* XXX The trap format needs some tweaks and other OIDs |
704 |
|
|
*/ |
705 |
|
|
|
706 |
|
|
if ((pdu = snmp_agentx_notify_pdu(&hosttrapoid)) == NULL) |
707 |
|
|
return; |
708 |
|
|
|
709 |
|
|
SNMP_ELEMENT(".1.0", SNMP_NULL, NULL, 0, pdu); |
710 |
|
|
SNMP_ELEMENT(".1.1.0", SNMP_OCTETSTRING, host->conf.name, 0, pdu); |
711 |
|
|
SNMP_ELEMENT(".1.2.0", SNMP_INTEGER32, NULL, host->up, pdu); |
712 |
|
|
SNMP_ELEMENT(".1.3.0", SNMP_INTEGER32, NULL, host->last_up, pdu); |
713 |
|
|
SNMP_ELEMENT(".1.4.0", SNMP_INTEGER32, NULL, host->up_cnt, pdu); |
714 |
|
|
SNMP_ELEMENT(".1.5.0", SNMP_INTEGER32, NULL, host->check_cnt, pdu); |
715 |
|
|
SNMP_ELEMENT(".1.6.0", SNMP_OCTETSTRING, table->conf.name, 0, pdu); |
716 |
|
|
SNMP_ELEMENT(".1.7.0", SNMP_INTEGER32, NULL, table->up, pdu); |
717 |
|
|
if (!host->conf.retry) |
718 |
|
|
goto done; |
719 |
|
|
SNMP_ELEMENT(".1.8.0", SNMP_INTEGER32, NULL, host->conf.retry, pdu); |
720 |
|
|
SNMP_ELEMENT(".1.9.0", SNMP_INTEGER32, NULL, host->retry_cnt, pdu); |
721 |
|
|
|
722 |
|
|
done: |
723 |
|
|
snmp_agentx_send(snmp_agentx, pdu); |
724 |
|
|
snmp_event_add(env, EV_WRITE); |
725 |
|
|
} |
726 |
|
|
|
727 |
|
|
int |
728 |
|
|
snmp_string2oid(const char *oidstr, struct snmp_oid *o) |
729 |
|
|
{ |
730 |
|
|
char *sp, *p, str[BUFSIZ]; |
731 |
|
|
const char *errstr; |
732 |
|
|
|
733 |
|
|
if (strlcpy(str, oidstr, sizeof(str)) >= sizeof(str)) |
734 |
|
|
return (-1); |
735 |
|
|
bzero(o, sizeof(*o)); |
736 |
|
|
|
737 |
|
|
for (p = sp = str; p != NULL; sp = p) { |
738 |
|
|
if ((p = strpbrk(p, ".-")) != NULL) |
739 |
|
|
*p++ = '\0'; |
740 |
|
|
o->o_id[o->o_n++] = strtonum(sp, 0, UINT_MAX, &errstr); |
741 |
|
|
if (errstr || o->o_n > SNMP_MAX_OID_LEN) |
742 |
|
|
return (-1); |
743 |
|
|
} |
744 |
|
|
|
745 |
|
|
return (0); |
746 |
|
|
} |
747 |
|
|
|
748 |
|
|
void * |
749 |
|
|
sstodata(struct sockaddr_storage *ss) |
750 |
|
|
{ |
751 |
|
|
if (ss->ss_family == AF_INET) |
752 |
|
|
return (&((struct sockaddr_in *)ss)->sin_addr); |
753 |
|
|
if (ss->ss_family == AF_INET6) |
754 |
|
|
return (&((struct sockaddr_in6 *)ss)->sin6_addr); |
755 |
|
|
return (NULL); |
756 |
|
|
} |
757 |
|
|
|
758 |
|
|
size_t |
759 |
|
|
sstolen(struct sockaddr_storage *ss) |
760 |
|
|
{ |
761 |
|
|
if (ss->ss_family == AF_INET) |
762 |
|
|
return (((struct sockaddr_in *)ss)->sin_len); |
763 |
|
|
if (ss->ss_family == AF_INET6) |
764 |
|
|
return (((struct sockaddr_in6 *)ss)->sin6_len); |
765 |
|
|
return (0); |
766 |
|
|
} |
767 |
|
|
|
768 |
|
|
struct rdr * |
769 |
|
|
snmp_rdr_byidx(struct relayd *env, u_int *instanceidx, u_int *objectidx, |
770 |
|
|
u_int getnext, u_int include) |
771 |
|
|
{ |
772 |
|
|
struct rdr *rdr; |
773 |
|
|
|
774 |
|
|
if (*objectidx > RDR_MAX_SUBIDX) |
775 |
|
|
return (NULL); |
776 |
|
|
if (*objectidx == 0) { |
777 |
|
|
if (!getnext) |
778 |
|
|
return (NULL); |
779 |
|
|
*objectidx = 1; |
780 |
|
|
} |
781 |
|
|
|
782 |
|
|
restart: |
783 |
|
|
TAILQ_FOREACH(rdr, env->sc_rdrs, entry) { |
784 |
|
|
if (rdr->conf.id >= *instanceidx) { |
785 |
|
|
if (getnext) { |
786 |
|
|
/* Lexographical ordering */ |
787 |
|
|
|
788 |
|
|
/* 1) try the next instance index */ |
789 |
|
|
if (rdr->conf.id == *instanceidx && !include) |
790 |
|
|
rdr = TAILQ_NEXT(rdr, entry); |
791 |
|
|
if (rdr) { |
792 |
|
|
*instanceidx = rdr->conf.id; |
793 |
|
|
return (rdr); |
794 |
|
|
} |
795 |
|
|
|
796 |
|
|
/* 2) try the next object index */ |
797 |
|
|
if (*objectidx < RDR_MAX_SUBIDX) { |
798 |
|
|
*objectidx += 1; |
799 |
|
|
*instanceidx = 1; |
800 |
|
|
include = 1; |
801 |
|
|
goto restart; |
802 |
|
|
} |
803 |
|
|
|
804 |
|
|
/* 3) no further OIDs under this prefix */ |
805 |
|
|
return (NULL); |
806 |
|
|
} |
807 |
|
|
|
808 |
|
|
if (rdr->conf.id == *instanceidx) |
809 |
|
|
return (rdr); |
810 |
|
|
|
811 |
|
|
return (NULL); |
812 |
|
|
} |
813 |
|
|
} |
814 |
|
|
|
815 |
|
|
return (NULL); |
816 |
|
|
} |
817 |
|
|
|
818 |
|
|
struct relay * |
819 |
|
|
snmp_relay_byidx(struct relayd *env, u_int *instanceidx, u_int *objectidx, |
820 |
|
|
u_int getnext, u_int include) |
821 |
|
|
{ |
822 |
|
|
struct relay *rly; |
823 |
|
|
|
824 |
|
|
if (*objectidx > RELAY_MAX_SUBIDX) |
825 |
|
|
return (NULL); |
826 |
|
|
if (*objectidx == 0) { |
827 |
|
|
if (!getnext) |
828 |
|
|
return (NULL); |
829 |
|
|
*objectidx = 1; |
830 |
|
|
} |
831 |
|
|
|
832 |
|
|
restart: |
833 |
|
|
TAILQ_FOREACH(rly, env->sc_relays, rl_entry) { |
834 |
|
|
if (rly->rl_conf.id >= *instanceidx) { |
835 |
|
|
if (getnext) { |
836 |
|
|
/* Lexographical ordering */ |
837 |
|
|
|
838 |
|
|
/* 1) try the next instance index */ |
839 |
|
|
if (rly->rl_conf.id == *instanceidx && !include) |
840 |
|
|
rly = TAILQ_NEXT(rly, rl_entry); |
841 |
|
|
if (rly) { |
842 |
|
|
*instanceidx = rly->rl_conf.id; |
843 |
|
|
return (rly); |
844 |
|
|
} |
845 |
|
|
|
846 |
|
|
/* 2) try the next object index */ |
847 |
|
|
if (*objectidx < RELAY_MAX_SUBIDX) { |
848 |
|
|
*objectidx += 1; |
849 |
|
|
*instanceidx = 1; |
850 |
|
|
include = 1; |
851 |
|
|
goto restart; |
852 |
|
|
} |
853 |
|
|
|
854 |
|
|
/* 3) no further OIDs under this prefix */ |
855 |
|
|
return (rly); |
856 |
|
|
} |
857 |
|
|
|
858 |
|
|
if (rly->rl_conf.id == *instanceidx) |
859 |
|
|
return (rly); |
860 |
|
|
|
861 |
|
|
return (NULL); |
862 |
|
|
} |
863 |
|
|
} |
864 |
|
|
|
865 |
|
|
return (NULL); |
866 |
|
|
} |
867 |
|
|
|
868 |
|
|
struct router * |
869 |
|
|
snmp_router_byidx(struct relayd *env, u_int *instanceidx, u_int *objectidx, |
870 |
|
|
u_int getnext, u_int include) |
871 |
|
|
{ |
872 |
|
|
struct router *router; |
873 |
|
|
|
874 |
|
|
if (*objectidx > ROUTER_MAX_SUBIDX) |
875 |
|
|
return (NULL); |
876 |
|
|
if (*objectidx == 0) { |
877 |
|
|
if (!getnext) |
878 |
|
|
return (NULL); |
879 |
|
|
*objectidx = 1; |
880 |
|
|
} |
881 |
|
|
|
882 |
|
|
restart: |
883 |
|
|
TAILQ_FOREACH(router, env->sc_rts, rt_entry) { |
884 |
|
|
if (router->rt_conf.id >= *instanceidx) { |
885 |
|
|
if (getnext) { |
886 |
|
|
/* Lexographical ordering */ |
887 |
|
|
|
888 |
|
|
/* 1) try the next instance index */ |
889 |
|
|
if ((router->rt_conf.id == *instanceidx) && |
890 |
|
|
!include) |
891 |
|
|
router = TAILQ_NEXT(router, rt_entry); |
892 |
|
|
if (router) { |
893 |
|
|
*instanceidx = router->rt_conf.id; |
894 |
|
|
return (router); |
895 |
|
|
} |
896 |
|
|
|
897 |
|
|
/* 2) try the next object index */ |
898 |
|
|
if (*objectidx < ROUTER_MAX_SUBIDX) { |
899 |
|
|
*objectidx += 1; |
900 |
|
|
*instanceidx = 1; |
901 |
|
|
include = 1; |
902 |
|
|
goto restart; |
903 |
|
|
} |
904 |
|
|
|
905 |
|
|
/* 3) no further OIDs under this prefix */ |
906 |
|
|
return (NULL); |
907 |
|
|
} |
908 |
|
|
|
909 |
|
|
if (router->rt_conf.id == *instanceidx) |
910 |
|
|
return (router); |
911 |
|
|
|
912 |
|
|
return (NULL); |
913 |
|
|
} |
914 |
|
|
} |
915 |
|
|
|
916 |
|
|
return (NULL); |
917 |
|
|
} |
918 |
|
|
|
919 |
|
|
struct netroute * |
920 |
|
|
snmp_netroute_byidx(struct relayd *env, u_int *instanceidx, u_int *objectidx, |
921 |
|
|
u_int getnext, u_int include) |
922 |
|
|
{ |
923 |
|
|
struct netroute *nr; |
924 |
|
|
|
925 |
|
|
if (*objectidx > NETROUTE_MAX_SUBIDX) |
926 |
|
|
return (NULL); |
927 |
|
|
if (*objectidx == 0) { |
928 |
|
|
if (!getnext) |
929 |
|
|
return (NULL); |
930 |
|
|
*objectidx = 1; |
931 |
|
|
} |
932 |
|
|
|
933 |
|
|
restart: |
934 |
|
|
TAILQ_FOREACH(nr, env->sc_routes, nr_route) { |
935 |
|
|
if (nr->nr_conf.id >= *instanceidx) { |
936 |
|
|
if (getnext) { |
937 |
|
|
/* Lexographical ordering */ |
938 |
|
|
|
939 |
|
|
/* 1) try the next instance index */ |
940 |
|
|
if (nr->nr_conf.id == *instanceidx && !include) |
941 |
|
|
nr = TAILQ_NEXT(nr, nr_route); |
942 |
|
|
if (nr) { |
943 |
|
|
*instanceidx = nr->nr_conf.id; |
944 |
|
|
return (nr); |
945 |
|
|
} |
946 |
|
|
|
947 |
|
|
/* 2) try the next object index */ |
948 |
|
|
if (*objectidx < NETROUTE_MAX_SUBIDX) { |
949 |
|
|
*objectidx += 1; |
950 |
|
|
*instanceidx = 1; |
951 |
|
|
include = 1; |
952 |
|
|
goto restart; |
953 |
|
|
} |
954 |
|
|
|
955 |
|
|
/* 3) no further OIDs under this prefix */ |
956 |
|
|
return (NULL); |
957 |
|
|
} |
958 |
|
|
|
959 |
|
|
if (nr->nr_conf.id == *instanceidx) |
960 |
|
|
return (nr); |
961 |
|
|
|
962 |
|
|
return (NULL); |
963 |
|
|
} |
964 |
|
|
} |
965 |
|
|
|
966 |
|
|
return (NULL); |
967 |
|
|
} |
968 |
|
|
|
969 |
|
|
struct host * |
970 |
|
|
snmp_host_byidx(struct relayd *env, u_int *instanceidx, u_int *objectidx, |
971 |
|
|
u_int getnext, u_int include) |
972 |
|
|
{ |
973 |
|
|
struct host *host; |
974 |
|
|
|
975 |
|
|
if (*objectidx > HOST_MAX_SUBIDX) |
976 |
|
|
return (NULL); |
977 |
|
|
if (*objectidx == 0) { |
978 |
|
|
if (!getnext) |
979 |
|
|
return (NULL); |
980 |
|
|
*objectidx = 1; |
981 |
|
|
} |
982 |
|
|
|
983 |
|
|
restart: |
984 |
|
|
TAILQ_FOREACH(host, &env->sc_hosts, globalentry) { |
985 |
|
|
if (host->conf.id >= *instanceidx) { |
986 |
|
|
if (getnext) { |
987 |
|
|
/* Lexographical ordering */ |
988 |
|
|
|
989 |
|
|
/* 1) try the next instance index */ |
990 |
|
|
if (host->conf.id == *instanceidx && !include) |
991 |
|
|
host = TAILQ_NEXT(host, globalentry); |
992 |
|
|
if (host) { |
993 |
|
|
*instanceidx = host->conf.id; |
994 |
|
|
return (host); |
995 |
|
|
} |
996 |
|
|
|
997 |
|
|
/* 2) try the next object index */ |
998 |
|
|
if (*objectidx < HOST_MAX_SUBIDX) { |
999 |
|
|
*objectidx += 1; |
1000 |
|
|
*instanceidx = 1; |
1001 |
|
|
include = 1; |
1002 |
|
|
goto restart; |
1003 |
|
|
} |
1004 |
|
|
|
1005 |
|
|
/* 3) no further OIDs under this prefix */ |
1006 |
|
|
return (NULL); |
1007 |
|
|
} |
1008 |
|
|
|
1009 |
|
|
if (host->conf.id == *instanceidx) |
1010 |
|
|
return (host); |
1011 |
|
|
|
1012 |
|
|
return (NULL); |
1013 |
|
|
} |
1014 |
|
|
} |
1015 |
|
|
|
1016 |
|
|
return (NULL); |
1017 |
|
|
} |
1018 |
|
|
|
1019 |
|
|
struct rsession * |
1020 |
|
|
snmp_session_byidx(struct relayd *env, u_int *instanceidx, u_int *objectidx, |
1021 |
|
|
u_int getnext, u_int include) |
1022 |
|
|
{ |
1023 |
|
|
struct rsession *session; |
1024 |
|
|
|
1025 |
|
|
if (*objectidx > SESSION_MAX_SUBIDX) |
1026 |
|
|
return (NULL); |
1027 |
|
|
if (*objectidx == 0) { |
1028 |
|
|
if (!getnext) |
1029 |
|
|
return (NULL); |
1030 |
|
|
*objectidx = 1; |
1031 |
|
|
} |
1032 |
|
|
|
1033 |
|
|
restart: |
1034 |
|
|
TAILQ_FOREACH(session, &env->sc_sessions, se_entry) { |
1035 |
|
|
if (session->se_id >= *instanceidx) { |
1036 |
|
|
if (getnext) { |
1037 |
|
|
/* Lexographical ordering */ |
1038 |
|
|
|
1039 |
|
|
/* 1) try the next instance index */ |
1040 |
|
|
if (session->se_id == *instanceidx && !include) |
1041 |
|
|
session = TAILQ_NEXT(session, se_entry); |
1042 |
|
|
if (session) { |
1043 |
|
|
*instanceidx = session->se_id; |
1044 |
|
|
return (session); |
1045 |
|
|
} |
1046 |
|
|
|
1047 |
|
|
/* 2) try the next object index */ |
1048 |
|
|
if (*objectidx < SESSION_MAX_SUBIDX) { |
1049 |
|
|
*objectidx += 1; |
1050 |
|
|
*instanceidx = 1; |
1051 |
|
|
include = 1; |
1052 |
|
|
goto restart; |
1053 |
|
|
} |
1054 |
|
|
|
1055 |
|
|
/* 3) no further OIDs under this prefix */ |
1056 |
|
|
return (NULL); |
1057 |
|
|
} |
1058 |
|
|
|
1059 |
|
|
if (session->se_id == *instanceidx) |
1060 |
|
|
return (session); |
1061 |
|
|
|
1062 |
|
|
return (NULL); |
1063 |
|
|
} |
1064 |
|
|
} |
1065 |
|
|
|
1066 |
|
|
return (NULL); |
1067 |
|
|
} |
1068 |
|
|
|
1069 |
|
|
struct table * |
1070 |
|
|
snmp_table_byidx(struct relayd *env, u_int *instanceidx, u_int *objectidx, |
1071 |
|
|
u_int getnext, u_int include) |
1072 |
|
|
{ |
1073 |
|
|
struct table *table; |
1074 |
|
|
|
1075 |
|
|
if (*objectidx > TABLE_MAX_SUBIDX) |
1076 |
|
|
return (NULL); |
1077 |
|
|
if (*objectidx == 0) { |
1078 |
|
|
if (!getnext) |
1079 |
|
|
return (NULL); |
1080 |
|
|
*objectidx = 1; |
1081 |
|
|
} |
1082 |
|
|
|
1083 |
|
|
restart: |
1084 |
|
|
TAILQ_FOREACH(table, env->sc_tables, entry) { |
1085 |
|
|
if (table->conf.id >= *instanceidx) { |
1086 |
|
|
if (getnext) { |
1087 |
|
|
/* Lexographical ordering */ |
1088 |
|
|
|
1089 |
|
|
/* 1) try the next instance index */ |
1090 |
|
|
if (table->conf.id == *instanceidx && !include) |
1091 |
|
|
table = TAILQ_NEXT(table, entry); |
1092 |
|
|
if (table) { |
1093 |
|
|
*instanceidx = table->conf.id; |
1094 |
|
|
return (table); |
1095 |
|
|
} |
1096 |
|
|
|
1097 |
|
|
/* 2) try the next object index */ |
1098 |
|
|
if (*objectidx < TABLE_MAX_SUBIDX) { |
1099 |
|
|
*objectidx += 1; |
1100 |
|
|
*instanceidx = 1; |
1101 |
|
|
include = 1; |
1102 |
|
|
goto restart; |
1103 |
|
|
} |
1104 |
|
|
|
1105 |
|
|
/* 3) no further OIDs under this prefix */ |
1106 |
|
|
return (NULL); |
1107 |
|
|
} |
1108 |
|
|
|
1109 |
|
|
if (table->conf.id == *instanceidx) |
1110 |
|
|
return (table); |
1111 |
|
|
|
1112 |
|
|
return (NULL); |
1113 |
|
|
} |
1114 |
|
|
} |
1115 |
|
|
|
1116 |
|
|
return (NULL); |
1117 |
|
|
} |
1118 |
|
|
|
1119 |
|
|
int |
1120 |
|
|
snmp_redirect(struct relayd *env, struct snmp_oid *oid, |
1121 |
|
|
struct agentx_pdu *resp, int getnext, uint32_t einstanceidx, |
1122 |
|
|
uint32_t eobjectidx, u_int include) |
1123 |
|
|
{ |
1124 |
|
|
struct rdr *rdr; |
1125 |
|
|
u_int instanceidx, objectidx; |
1126 |
|
|
u_int32_t status; |
1127 |
|
|
|
1128 |
|
|
instanceidx = oid->o_id[OIDIDX_relaydInfo + 2]; |
1129 |
|
|
objectidx = oid->o_id[OIDIDX_relaydInfo + 1]; |
1130 |
|
|
rdr = snmp_rdr_byidx(env, &instanceidx, &objectidx, getnext, include); |
1131 |
|
|
if (rdr == NULL) |
1132 |
|
|
return (-1); |
1133 |
|
|
|
1134 |
|
|
if (instanceidx >= einstanceidx || objectidx >= eobjectidx) |
1135 |
|
|
return (0); |
1136 |
|
|
|
1137 |
|
|
oid->o_id[OIDIDX_relaydInfo + 1] = objectidx; |
1138 |
|
|
oid->o_id[OIDIDX_relaydInfo + 2] = instanceidx; |
1139 |
|
|
|
1140 |
|
|
switch (objectidx) { |
1141 |
|
|
case 1: /* index */ |
1142 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1143 |
|
|
AGENTX_INTEGER, &rdr->conf.id, |
1144 |
|
|
sizeof(rdr->conf.id)) == -1) |
1145 |
|
|
return (-1); |
1146 |
|
|
break; |
1147 |
|
|
case 2: /* status */ |
1148 |
|
|
if (rdr->conf.flags & F_DISABLE) |
1149 |
|
|
status = 1; |
1150 |
|
|
else if (rdr->conf.flags & F_DOWN) |
1151 |
|
|
status = 2; |
1152 |
|
|
else if (rdr->conf.flags & F_BACKUP) |
1153 |
|
|
status = 3; |
1154 |
|
|
else |
1155 |
|
|
status = 0; |
1156 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1157 |
|
|
AGENTX_INTEGER, &status, |
1158 |
|
|
sizeof(status)) == -1) |
1159 |
|
|
return (-1); |
1160 |
|
|
break; |
1161 |
|
|
case 3: /* name */ |
1162 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1163 |
|
|
AGENTX_OCTET_STRING, rdr->conf.name, |
1164 |
|
|
strlen(rdr->conf.name)) == -1) |
1165 |
|
|
return (-1); |
1166 |
|
|
break; |
1167 |
|
|
case 4: /* count */ |
1168 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1169 |
|
|
AGENTX_COUNTER64, &rdr->stats.cnt, |
1170 |
|
|
sizeof(rdr->stats.cnt)) == -1) |
1171 |
|
|
return (-1); |
1172 |
|
|
break; |
1173 |
|
|
case 5: /* average */ |
1174 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1175 |
|
|
AGENTX_INTEGER, &rdr->stats.avg, |
1176 |
|
|
sizeof(rdr->stats.avg)) == -1) |
1177 |
|
|
return (-1); |
1178 |
|
|
break; |
1179 |
|
|
case 6: /* last */ |
1180 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1181 |
|
|
AGENTX_INTEGER, &rdr->stats.last, |
1182 |
|
|
sizeof(rdr->stats.last)) == -1) |
1183 |
|
|
return (-1); |
1184 |
|
|
break; |
1185 |
|
|
case 7: /* average hour */ |
1186 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1187 |
|
|
AGENTX_INTEGER, &rdr->stats.avg_hour, |
1188 |
|
|
sizeof(rdr->stats.avg_hour)) == -1) |
1189 |
|
|
return (-1); |
1190 |
|
|
break; |
1191 |
|
|
case 8: /* last hour */ |
1192 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1193 |
|
|
AGENTX_INTEGER, &rdr->stats.last_hour, |
1194 |
|
|
sizeof(rdr->stats.last_hour)) == -1) |
1195 |
|
|
return (-1); |
1196 |
|
|
break; |
1197 |
|
|
case 9: /* average day */ |
1198 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1199 |
|
|
AGENTX_INTEGER, &rdr->stats.avg_day, |
1200 |
|
|
sizeof(rdr->stats.avg_day)) == -1) |
1201 |
|
|
return (-1); |
1202 |
|
|
break; |
1203 |
|
|
case 10: /* last day */ |
1204 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1205 |
|
|
AGENTX_INTEGER, &rdr->stats.last_day, |
1206 |
|
|
sizeof(rdr->stats.last_day)) == -1) |
1207 |
|
|
return (-1); |
1208 |
|
|
break; |
1209 |
|
|
default: |
1210 |
|
|
fatalx("unhandled host element id"); |
1211 |
|
|
} |
1212 |
|
|
|
1213 |
|
|
return (0); |
1214 |
|
|
} |
1215 |
|
|
|
1216 |
|
|
int |
1217 |
|
|
snmp_relay(struct relayd *env, struct snmp_oid *oid, struct agentx_pdu *resp, |
1218 |
|
|
int getnext, uint32_t einstanceidx, uint32_t eobjectidx, u_int include) |
1219 |
|
|
{ |
1220 |
|
|
struct relay *rly; |
1221 |
|
|
u_int instanceidx, objectidx; |
1222 |
|
|
u_int32_t status, value = 0; |
1223 |
|
|
u_int64_t value64 = 0; |
1224 |
|
|
int i, nrelay = env->sc_conf.prefork_relay; |
1225 |
|
|
|
1226 |
|
|
instanceidx = oid->o_id[OIDIDX_relaydInfo + 2]; |
1227 |
|
|
objectidx = oid->o_id[OIDIDX_relaydInfo + 1]; |
1228 |
|
|
rly = snmp_relay_byidx(env, &instanceidx, &objectidx, getnext, |
1229 |
|
|
include); |
1230 |
|
|
if (rly == NULL) |
1231 |
|
|
return (-1); |
1232 |
|
|
|
1233 |
|
|
if (instanceidx >= einstanceidx || objectidx >= eobjectidx) |
1234 |
|
|
return (0); |
1235 |
|
|
|
1236 |
|
|
oid->o_id[OIDIDX_relaydInfo + 1] = objectidx; |
1237 |
|
|
oid->o_id[OIDIDX_relaydInfo + 2] = instanceidx; |
1238 |
|
|
|
1239 |
|
|
switch (objectidx) { |
1240 |
|
|
case 1: /* index */ |
1241 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1242 |
|
|
AGENTX_INTEGER, &rly->rl_conf.id, |
1243 |
|
|
sizeof(rly->rl_conf.id)) == -1) |
1244 |
|
|
return (-1); |
1245 |
|
|
break; |
1246 |
|
|
case 2: /* status */ |
1247 |
|
|
if (rly->rl_up == HOST_UP) |
1248 |
|
|
status = 0; /* active */ |
1249 |
|
|
else |
1250 |
|
|
status = 1; /* disabled */ |
1251 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1252 |
|
|
AGENTX_INTEGER, &status, |
1253 |
|
|
sizeof(status)) == -1) |
1254 |
|
|
return (-1); |
1255 |
|
|
break; |
1256 |
|
|
case 3: /* name */ |
1257 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1258 |
|
|
AGENTX_OCTET_STRING, &rly->rl_conf.name, |
1259 |
|
|
strlen(rly->rl_conf.name)) == -1) |
1260 |
|
|
return (-1); |
1261 |
|
|
break; |
1262 |
|
|
case 4: /* count */ |
1263 |
|
|
for (i = 0; i < nrelay; i++) |
1264 |
|
|
value64 += rly->rl_stats[i].cnt; |
1265 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1266 |
|
|
AGENTX_COUNTER64, &value64, |
1267 |
|
|
sizeof(value64)) == -1) |
1268 |
|
|
return (-1); |
1269 |
|
|
break; |
1270 |
|
|
case 5: /* average */ |
1271 |
|
|
for (i = 0; i < nrelay; i++) |
1272 |
|
|
value += rly->rl_stats[i].avg; |
1273 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1274 |
|
|
AGENTX_INTEGER, &value, |
1275 |
|
|
sizeof(value)) == -1) |
1276 |
|
|
return (-1); |
1277 |
|
|
break; |
1278 |
|
|
case 6: /* last */ |
1279 |
|
|
for (i = 0; i < nrelay; i++) |
1280 |
|
|
value += rly->rl_stats[i].last; |
1281 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1282 |
|
|
AGENTX_INTEGER, &value, |
1283 |
|
|
sizeof(value)) == -1) |
1284 |
|
|
return (-1); |
1285 |
|
|
break; |
1286 |
|
|
case 7: /* average hour */ |
1287 |
|
|
for (i = 0; i < nrelay; i++) |
1288 |
|
|
value += rly->rl_stats[i].avg_hour; |
1289 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1290 |
|
|
AGENTX_INTEGER, &value, |
1291 |
|
|
sizeof(value)) == -1) |
1292 |
|
|
return (-1); |
1293 |
|
|
break; |
1294 |
|
|
case 8: /* last hour */ |
1295 |
|
|
for (i = 0; i < nrelay; i++) |
1296 |
|
|
value += rly->rl_stats[i].last_hour; |
1297 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1298 |
|
|
AGENTX_INTEGER, &value, |
1299 |
|
|
sizeof(value)) == -1) |
1300 |
|
|
return (-1); |
1301 |
|
|
break; |
1302 |
|
|
case 9: /* average day */ |
1303 |
|
|
for (i = 0; i < nrelay; i++) |
1304 |
|
|
value += rly->rl_stats[i].avg_day; |
1305 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1306 |
|
|
AGENTX_INTEGER, &value, |
1307 |
|
|
sizeof(value)) == -1) |
1308 |
|
|
return (-1); |
1309 |
|
|
break; |
1310 |
|
|
case 10: /* last day */ |
1311 |
|
|
for (i = 0; i < nrelay; i++) |
1312 |
|
|
value += rly->rl_stats[i].last_day; |
1313 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1314 |
|
|
AGENTX_INTEGER, &value, |
1315 |
|
|
sizeof(value)) == -1) |
1316 |
|
|
return (-1); |
1317 |
|
|
break; |
1318 |
|
|
default: |
1319 |
|
|
fatalx("unhandled host element id"); |
1320 |
|
|
} |
1321 |
|
|
|
1322 |
|
|
return (0); |
1323 |
|
|
} |
1324 |
|
|
|
1325 |
|
|
int |
1326 |
|
|
snmp_router(struct relayd *env, struct snmp_oid *oid, struct agentx_pdu *resp, |
1327 |
|
|
int getnext, uint32_t einstanceidx, uint32_t eobjectidx, u_int include) |
1328 |
|
|
{ |
1329 |
|
|
struct router *router; |
1330 |
|
|
u_int instanceidx, objectidx; |
1331 |
|
|
u_int32_t status; |
1332 |
|
|
|
1333 |
|
|
instanceidx = oid->o_id[OIDIDX_relaydInfo + 2]; |
1334 |
|
|
objectidx = oid->o_id[OIDIDX_relaydInfo + 1]; |
1335 |
|
|
router = snmp_router_byidx(env, &instanceidx, &objectidx, getnext, |
1336 |
|
|
include); |
1337 |
|
|
if (router == NULL) |
1338 |
|
|
return (-1); |
1339 |
|
|
|
1340 |
|
|
if (instanceidx >= einstanceidx || objectidx >= eobjectidx) |
1341 |
|
|
return (0); |
1342 |
|
|
|
1343 |
|
|
oid->o_id[OIDIDX_relaydInfo + 1] = objectidx; |
1344 |
|
|
oid->o_id[OIDIDX_relaydInfo + 2] = instanceidx; |
1345 |
|
|
|
1346 |
|
|
switch (objectidx) { |
1347 |
|
|
case 1: /* index */ |
1348 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1349 |
|
|
AGENTX_INTEGER, &router->rt_conf.id, |
1350 |
|
|
sizeof(router->rt_conf.id)) == -1) |
1351 |
|
|
return (-1); |
1352 |
|
|
break; |
1353 |
|
|
case 2: /* table index */ |
1354 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1355 |
|
|
AGENTX_INTEGER, &router->rt_conf.gwtable, |
1356 |
|
|
sizeof(router->rt_conf.gwtable)) == -1) |
1357 |
|
|
return (-1); |
1358 |
|
|
break; |
1359 |
|
|
case 3: /* status */ |
1360 |
|
|
if (router->rt_conf.flags & F_DISABLE) |
1361 |
|
|
status = 1; /* disabled */ |
1362 |
|
|
else |
1363 |
|
|
status = 0; /* active */ |
1364 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1365 |
|
|
AGENTX_INTEGER, &status, |
1366 |
|
|
sizeof(status)) == -1) |
1367 |
|
|
return (-1); |
1368 |
|
|
break; |
1369 |
|
|
case 4: /* name */ |
1370 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1371 |
|
|
AGENTX_OCTET_STRING, router->rt_conf.name, |
1372 |
|
|
strlen(router->rt_conf.name)) == -1) |
1373 |
|
|
return (-1); |
1374 |
|
|
break; |
1375 |
|
|
case 5: /* pf label */ |
1376 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1377 |
|
|
AGENTX_OCTET_STRING, router->rt_conf.label, |
1378 |
|
|
strlen(router->rt_conf.label)) == -1) |
1379 |
|
|
return (-1); |
1380 |
|
|
break; |
1381 |
|
|
case 6: /* rtable */ |
1382 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1383 |
|
|
AGENTX_INTEGER, &router->rt_conf.rtable, |
1384 |
|
|
sizeof(router->rt_conf.rtable)) == -1) |
1385 |
|
|
return (-1); |
1386 |
|
|
break; |
1387 |
|
|
default: |
1388 |
|
|
fatalx("unhandled host element id"); |
1389 |
|
|
} |
1390 |
|
|
|
1391 |
|
|
return (0); |
1392 |
|
|
} |
1393 |
|
|
|
1394 |
|
|
int |
1395 |
|
|
snmp_netroute(struct relayd *env, struct snmp_oid *oid, |
1396 |
|
|
struct agentx_pdu *resp, int getnext, uint32_t einstanceidx, |
1397 |
|
|
uint32_t eobjectidx, u_int include) |
1398 |
|
|
{ |
1399 |
|
|
struct netroute *nr; |
1400 |
|
|
u_int32_t addrtype; |
1401 |
|
|
u_int instanceidx, objectidx; |
1402 |
|
|
|
1403 |
|
|
instanceidx = oid->o_id[OIDIDX_relaydInfo + 2]; |
1404 |
|
|
objectidx = oid->o_id[OIDIDX_relaydInfo + 1]; |
1405 |
|
|
nr = snmp_netroute_byidx(env, &instanceidx, &objectidx, getnext, |
1406 |
|
|
include); |
1407 |
|
|
if (nr == NULL) |
1408 |
|
|
return (-1); |
1409 |
|
|
|
1410 |
|
|
if (instanceidx >= einstanceidx || objectidx >= eobjectidx) |
1411 |
|
|
return (0); |
1412 |
|
|
|
1413 |
|
|
oid->o_id[OIDIDX_relaydInfo + 1] = objectidx; |
1414 |
|
|
oid->o_id[OIDIDX_relaydInfo + 2] = instanceidx; |
1415 |
|
|
|
1416 |
|
|
switch (objectidx) { |
1417 |
|
|
case 1: /* index */ |
1418 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1419 |
|
|
AGENTX_INTEGER, &nr->nr_conf.id, |
1420 |
|
|
sizeof(nr->nr_conf.id)) == -1) |
1421 |
|
|
return (-1); |
1422 |
|
|
break; |
1423 |
|
|
case 2: /* address */ |
1424 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1425 |
|
|
AGENTX_OCTET_STRING, sstodata(&nr->nr_conf.ss), |
1426 |
|
|
sstolen(&nr->nr_conf.ss)) == -1) |
1427 |
|
|
return (-1); |
1428 |
|
|
break; |
1429 |
|
|
case 3: /* address type */ |
1430 |
|
|
if (nr->nr_conf.ss.ss_family == AF_INET) |
1431 |
|
|
addrtype = 1; |
1432 |
|
|
else if (nr->nr_conf.ss.ss_family == AF_INET6) |
1433 |
|
|
addrtype = 2; |
1434 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1435 |
|
|
AGENTX_INTEGER, &addrtype, |
1436 |
|
|
sizeof(addrtype)) == -1) |
1437 |
|
|
return (-1); |
1438 |
|
|
break; |
1439 |
|
|
case 4: /* prefix length */ |
1440 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1441 |
|
|
AGENTX_INTEGER, &nr->nr_conf.prefixlen, |
1442 |
|
|
sizeof(nr->nr_conf.prefixlen)) == -1) |
1443 |
|
|
return (-1); |
1444 |
|
|
break; |
1445 |
|
|
case 5: /* router index */ |
1446 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1447 |
|
|
AGENTX_INTEGER, &nr->nr_conf.routerid, |
1448 |
|
|
sizeof(nr->nr_conf.routerid)) == -1) |
1449 |
|
|
return (-1); |
1450 |
|
|
break; |
1451 |
|
|
default: |
1452 |
|
|
fatalx("unhandled host element id"); |
1453 |
|
|
} |
1454 |
|
|
|
1455 |
|
|
return (0); |
1456 |
|
|
} |
1457 |
|
|
|
1458 |
|
|
int |
1459 |
|
|
snmp_host(struct relayd *env, struct snmp_oid *oid, struct agentx_pdu *resp, |
1460 |
|
|
int getnext, uint32_t einstanceidx, uint32_t eobjectidx, u_int include) |
1461 |
|
|
{ |
1462 |
|
|
struct host *host; |
1463 |
|
|
u_int32_t addrtype, count, error, status; |
1464 |
|
|
u_int instanceidx, objectidx; |
1465 |
|
|
|
1466 |
|
|
instanceidx = oid->o_id[OIDIDX_relaydInfo + 2]; |
1467 |
|
|
objectidx = oid->o_id[OIDIDX_relaydInfo + 1]; |
1468 |
|
|
host = snmp_host_byidx(env, &instanceidx, &objectidx, getnext, |
1469 |
|
|
include); |
1470 |
|
|
if (host == NULL) |
1471 |
|
|
return (-1); |
1472 |
|
|
|
1473 |
|
|
if (instanceidx >= einstanceidx || objectidx >= eobjectidx) |
1474 |
|
|
return (0); |
1475 |
|
|
|
1476 |
|
|
oid->o_id[OIDIDX_relaydInfo + 1] = objectidx; |
1477 |
|
|
oid->o_id[OIDIDX_relaydInfo + 2] = instanceidx; |
1478 |
|
|
|
1479 |
|
|
switch (objectidx) { |
1480 |
|
|
case 1: /* index */ |
1481 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1482 |
|
|
AGENTX_INTEGER, &host->conf.id, |
1483 |
|
|
sizeof(host->conf.id)) == -1) |
1484 |
|
|
return (-1); |
1485 |
|
|
break; |
1486 |
|
|
case 2: /* parent index */ |
1487 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1488 |
|
|
AGENTX_INTEGER, &host->conf.parentid, |
1489 |
|
|
sizeof(host->conf.parentid)) == -1) |
1490 |
|
|
return (-1); |
1491 |
|
|
break; |
1492 |
|
|
case 3: /* table index */ |
1493 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1494 |
|
|
AGENTX_INTEGER, &host->conf.tableid, |
1495 |
|
|
sizeof(host->conf.tableid)) == -1) |
1496 |
|
|
return (-1); |
1497 |
|
|
break; |
1498 |
|
|
case 4: /* name */ |
1499 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1500 |
|
|
AGENTX_OCTET_STRING, host->conf.name, |
1501 |
|
|
strlen(host->conf.name)) == -1) |
1502 |
|
|
return (-1); |
1503 |
|
|
break; |
1504 |
|
|
case 5: /* address */ |
1505 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1506 |
|
|
AGENTX_OCTET_STRING, sstodata(&host->conf.ss), |
1507 |
|
|
sstolen(&host->conf.ss)) == -1) |
1508 |
|
|
return (-1); |
1509 |
|
|
break; |
1510 |
|
|
case 6: /* address type */ |
1511 |
|
|
if (host->conf.ss.ss_family == AF_INET) |
1512 |
|
|
addrtype = 1; |
1513 |
|
|
else if (host->conf.ss.ss_family == AF_INET6) |
1514 |
|
|
addrtype = 2; |
1515 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1516 |
|
|
AGENTX_INTEGER, &addrtype, |
1517 |
|
|
sizeof(addrtype)) == -1) |
1518 |
|
|
return (-1); |
1519 |
|
|
break; |
1520 |
|
|
case 7: /* status */ |
1521 |
|
|
if (host->flags & F_DISABLE) |
1522 |
|
|
status = 1; |
1523 |
|
|
else if (host->up == HOST_UP) |
1524 |
|
|
status = 0; |
1525 |
|
|
else if (host->up == HOST_DOWN) |
1526 |
|
|
status = 2; |
1527 |
|
|
else |
1528 |
|
|
status = 3; |
1529 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1530 |
|
|
AGENTX_INTEGER, &status, |
1531 |
|
|
sizeof(status)) == -1) |
1532 |
|
|
return (-1); |
1533 |
|
|
break; |
1534 |
|
|
case 8: /* check count */ |
1535 |
|
|
count = host->check_cnt; |
1536 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1537 |
|
|
AGENTX_INTEGER, &count, |
1538 |
|
|
sizeof(count)) == -1) |
1539 |
|
|
return (-1); |
1540 |
|
|
break; |
1541 |
|
|
case 9: /* up count */ |
1542 |
|
|
count = host->up_cnt; |
1543 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1544 |
|
|
AGENTX_INTEGER, &count, |
1545 |
|
|
sizeof(count)) == -1) |
1546 |
|
|
return (-1); |
1547 |
|
|
break; |
1548 |
|
|
case 10: /* errno */ |
1549 |
|
|
error = host->he; |
1550 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1551 |
|
|
AGENTX_INTEGER, &error, |
1552 |
|
|
sizeof(errno)) == -1) |
1553 |
|
|
return (-1); |
1554 |
|
|
break; |
1555 |
|
|
default: |
1556 |
|
|
fatalx("unhandled host element id"); |
1557 |
|
|
} |
1558 |
|
|
|
1559 |
|
|
return (0); |
1560 |
|
|
} |
1561 |
|
|
|
1562 |
|
|
int |
1563 |
|
|
snmp_session(struct relayd *env, struct snmp_oid *oid, struct agentx_pdu *resp, |
1564 |
|
|
int getnext, uint32_t einstanceidx, uint32_t eobjectidx, u_int include) |
1565 |
|
|
{ |
1566 |
|
|
struct timeval tv, now; |
1567 |
|
|
time_t ticks; |
1568 |
|
|
struct rsession *session; |
1569 |
|
|
u_int instanceidx, objectidx; |
1570 |
|
|
u_int32_t status, pid, port, addrtype; |
1571 |
|
|
|
1572 |
|
|
instanceidx = oid->o_id[OIDIDX_relaydInfo + 2]; |
1573 |
|
|
objectidx = oid->o_id[OIDIDX_relaydInfo + 1]; |
1574 |
|
|
session = snmp_session_byidx(env, &instanceidx, &objectidx, getnext, |
1575 |
|
|
include); |
1576 |
|
|
if (session == NULL) |
1577 |
|
|
return (-1); |
1578 |
|
|
|
1579 |
|
|
if (instanceidx >= einstanceidx || objectidx >= eobjectidx) |
1580 |
|
|
return (0); |
1581 |
|
|
|
1582 |
|
|
oid->o_id[OIDIDX_relaydInfo + 1] = objectidx; |
1583 |
|
|
oid->o_id[OIDIDX_relaydInfo + 2] = instanceidx; |
1584 |
|
|
|
1585 |
|
|
switch (objectidx) { |
1586 |
|
|
case 1: /* index */ |
1587 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1588 |
|
|
AGENTX_INTEGER, &session->se_id, |
1589 |
|
|
sizeof(session->se_id)) == -1) |
1590 |
|
|
return (-1); |
1591 |
|
|
break; |
1592 |
|
|
case 2: /* relay index */ |
1593 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1594 |
|
|
AGENTX_INTEGER, &session->se_relayid, |
1595 |
|
|
sizeof(session->se_relayid)) == -1) |
1596 |
|
|
return (-1); |
1597 |
|
|
break; |
1598 |
|
|
case 3: /* in address */ |
1599 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1600 |
|
|
AGENTX_OCTET_STRING, sstodata(&session->se_in.ss), |
1601 |
|
|
sstolen(&session->se_in.ss)) == -1) |
1602 |
|
|
return (-1); |
1603 |
|
|
break; |
1604 |
|
|
case 4: /* in address type */ |
1605 |
|
|
if (session->se_in.ss.ss_family == AF_INET) |
1606 |
|
|
addrtype = 1; |
1607 |
|
|
else if (session->se_in.ss.ss_family == AF_INET6) |
1608 |
|
|
addrtype = 2; |
1609 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1610 |
|
|
AGENTX_INTEGER, &addrtype, |
1611 |
|
|
sizeof(addrtype)) == -1) |
1612 |
|
|
return (-1); |
1613 |
|
|
break; |
1614 |
|
|
case 5: /* out address */ |
1615 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1616 |
|
|
AGENTX_OCTET_STRING, sstodata(&session->se_out.ss), |
1617 |
|
|
sstolen(&session->se_out.ss)) == -1) |
1618 |
|
|
return (-1); |
1619 |
|
|
break; |
1620 |
|
|
case 6: /* out address type */ |
1621 |
|
|
if (session->se_out.ss.ss_family == AF_INET) |
1622 |
|
|
addrtype = 1; |
1623 |
|
|
else if (session->se_out.ss.ss_family == AF_INET6) |
1624 |
|
|
addrtype = 2; |
1625 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1626 |
|
|
AGENTX_INTEGER, &addrtype, |
1627 |
|
|
sizeof(addrtype)) == -1) |
1628 |
|
|
return (-1); |
1629 |
|
|
break; |
1630 |
|
|
case 7: /* port out */ |
1631 |
|
|
port = session->se_out.port; |
1632 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1633 |
|
|
AGENTX_INTEGER, &port, |
1634 |
|
|
sizeof(port)) == -1) |
1635 |
|
|
return (-1); |
1636 |
|
|
break; |
1637 |
|
|
case 8: /* port in */ |
1638 |
|
|
port = session->se_in.port; |
1639 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1640 |
|
|
AGENTX_INTEGER, &port, |
1641 |
|
|
sizeof(port)) == -1) |
1642 |
|
|
return (-1); |
1643 |
|
|
break; |
1644 |
|
|
case 9: /* age */ |
1645 |
|
|
getmonotime(&now); |
1646 |
|
|
timerclear(&tv); |
1647 |
|
|
timersub(&now, &session->se_tv_start, &tv); |
1648 |
|
|
ticks = tv.tv_sec * 100 + tv.tv_usec / 10000; |
1649 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1650 |
|
|
AGENTX_INTEGER, &ticks, |
1651 |
|
|
sizeof(ticks)) == -1) |
1652 |
|
|
return (-1); |
1653 |
|
|
break; |
1654 |
|
|
case 10: /* idle time */ |
1655 |
|
|
getmonotime(&now); |
1656 |
|
|
timerclear(&tv); |
1657 |
|
|
timersub(&now, &session->se_tv_last, &tv); |
1658 |
|
|
ticks = tv.tv_sec * 100 + tv.tv_usec / 10000; |
1659 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1660 |
|
|
AGENTX_INTEGER, &ticks, |
1661 |
|
|
sizeof(ticks)) == -1) |
1662 |
|
|
return (-1); |
1663 |
|
|
break; |
1664 |
|
|
case 11: /* status */ |
1665 |
|
|
if (session->se_done) |
1666 |
|
|
status = 1; |
1667 |
|
|
else |
1668 |
|
|
status = 0; |
1669 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1670 |
|
|
AGENTX_INTEGER, &status, |
1671 |
|
|
sizeof(status)) == -1) |
1672 |
|
|
return (-1); |
1673 |
|
|
break; |
1674 |
|
|
case 12: /* session pid */ |
1675 |
|
|
pid = (u_int32_t)session->se_pid; |
1676 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1677 |
|
|
AGENTX_INTEGER, &pid, |
1678 |
|
|
sizeof(pid)) == -1) |
1679 |
|
|
return (-1); |
1680 |
|
|
break; |
1681 |
|
|
default: |
1682 |
|
|
fatalx("unhandled table element id"); |
1683 |
|
|
} |
1684 |
|
|
|
1685 |
|
|
return (0); |
1686 |
|
|
} |
1687 |
|
|
|
1688 |
|
|
int |
1689 |
|
|
snmp_table(struct relayd *env, struct snmp_oid *oid, struct agentx_pdu *resp, |
1690 |
|
|
int getnext, uint32_t einstanceidx, uint32_t eobjectidx, u_int include) |
1691 |
|
|
{ |
1692 |
|
|
struct table *table; |
1693 |
|
|
u_int instanceidx, objectidx; |
1694 |
|
|
u_int32_t status; |
1695 |
|
|
|
1696 |
|
|
instanceidx = oid->o_id[OIDIDX_relaydInfo + 2]; |
1697 |
|
|
objectidx = oid->o_id[OIDIDX_relaydInfo + 1]; |
1698 |
|
|
table = snmp_table_byidx(env, &instanceidx, &objectidx, getnext, |
1699 |
|
|
include); |
1700 |
|
|
if (table == NULL) |
1701 |
|
|
return (-1); |
1702 |
|
|
|
1703 |
|
|
if (instanceidx >= einstanceidx || objectidx >= eobjectidx) |
1704 |
|
|
return (0); |
1705 |
|
|
|
1706 |
|
|
oid->o_id[OIDIDX_relaydInfo + 1] = objectidx; |
1707 |
|
|
oid->o_id[OIDIDX_relaydInfo + 2] = instanceidx; |
1708 |
|
|
|
1709 |
|
|
switch (objectidx) { |
1710 |
|
|
case 1: /* index */ |
1711 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1712 |
|
|
AGENTX_INTEGER, &table->conf.id, |
1713 |
|
|
sizeof(table->conf.id)) == -1) |
1714 |
|
|
return (-1); |
1715 |
|
|
break; |
1716 |
|
|
case 2: /* name */ |
1717 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1718 |
|
|
AGENTX_OCTET_STRING, &table->conf.name, |
1719 |
|
|
strlen(table->conf.name)) == -1) |
1720 |
|
|
return (-1); |
1721 |
|
|
break; |
1722 |
|
|
case 3: /* status */ |
1723 |
|
|
if (TAILQ_EMPTY(&table->hosts)) |
1724 |
|
|
status = 1; /* empty */ |
1725 |
|
|
else if (table->conf.flags & F_DISABLE) |
1726 |
|
|
status = 2; /* disabled */ |
1727 |
|
|
else |
1728 |
|
|
status = 0; /* active */ |
1729 |
|
|
if (snmp_agentx_varbind(resp, oid, |
1730 |
|
|
AGENTX_INTEGER, &status, |
1731 |
|
|
sizeof(status)) == -1) |
1732 |
|
|
return (-1); |
1733 |
|
|
break; |
1734 |
|
|
default: |
1735 |
|
|
fatalx("unhandled table element id"); |
1736 |
|
|
} |
1737 |
|
|
|
1738 |
|
|
return (0); |
1739 |
|
|
} |