bsnmp/lib/snmpclient.c

73 	struct snmp_pdu	*pdu;
118 	struct snmp_pdu	pdu;
440 table_init_pdu(const struct snmp_table *descr, struct snmp_pdu *pdu)
443 		snmp_pdu_create(pdu, SNMP_PDU_GETNEXT);
445 		snmp_pdu_create(pdu, SNMP_PDU_GETBULK);
446 		pdu->error_index = 10;
449 		pdu->bindings[pdu->nbindings].syntax = SNMP_SYNTAX_NULL;
450 		pdu->bindings[pdu->nbindings].var = descr->last_change;
451 		pdu->nbindings++;
452 		if (pdu->version != SNMP_V1)
453 			pdu->error_status++;
455 	pdu->bindings[pdu->nbindings].var = descr->table;
456 	pdu->bindings[pdu->nbindings].syntax = SNMP_SYNTAX_NULL;
457 	pdu->nbindings++;
580 	table_init_pdu(descr, &work.pdu);
583 		if (snmp_dialog(&work.pdu, &resp)) {
601 		work.pdu.bindings[work.pdu.nbindings - 1].var =
657 			table_init_pdu(work->descr, &work->pdu);
658 			if (snmp_pdu_send(&work->pdu, table_cb, work) == -1) {
691 	work->pdu.bindings[work->pdu.nbindings - 1].var =
696 	if (snmp_pdu_send(&work->pdu, table_cb, work) == -1) {
729 	table_init_pdu(descr, &work->pdu);
731 	if (snmp_pdu_send(&work->pdu, table_cb, work) == -1)
1138 snmp_pdu_create(struct snmp_pdu *pdu, u_int op)
1140 	memset(pdu, 0, sizeof(struct snmp_pdu));
1143 		strlcpy(pdu->community, snmp_client.write_community,
1144 		    sizeof(pdu->community));
1146 		strlcpy(pdu->community, snmp_client.read_community,
1147 		    sizeof(pdu->community));
1149 	pdu->type = op;
1150 	pdu->version = snmp_client.version;
1151 	pdu->error_status = 0;
1152 	pdu->error_index = 0;
1153 	pdu->nbindings = 0;
1158 	pdu->identifier = ++snmp_client.identifier;
1159 	pdu->engine.max_msg_size = snmp_client.engine.max_msg_size;
1160 	pdu->flags = 0;
1161 	pdu->security_model = snmp_client.security_model;
1164 		memcpy(&pdu->engine, &snmp_client.engine, sizeof(pdu->engine));
1165 		memcpy(&pdu->user, &snmp_client.user, sizeof(pdu->user));
1166 		snmp_pdu_init_secparams(pdu);
1171 		memcpy(pdu->context_engine, snmp_client.cengine,
1173 		pdu->context_engine_len = snmp_client.clen;
1175 		memcpy(pdu->context_engine, snmp_client.engine.engine_id,
1177 		pdu->context_engine_len = snmp_client.engine.engine_len;
1180 	strlcpy(pdu->context_name, snmp_client.cname,
1181 	    sizeof(pdu->context_name));
1184 /* add pairs of (struct asn_oid, enum snmp_syntax) to an existing pdu */
1187 snmp_add_binding(struct snmp_v1_pdu *pdu, ...)
1193 	va_start(ap, pdu);
1195 	ret = pdu->nbindings;
1197 		if (pdu->nbindings >= SNMP_MAX_BINDINGS){
1201 		pdu->bindings[pdu->nbindings].var = *oid;
1202 		pdu->bindings[pdu->nbindings].syntax =
1204 		pdu->nbindings++;
1228 snmp_send_packet(struct snmp_pdu * pdu)
1239         pdu->request_id = snmp_next_reqid(&snmp_client);
1243         if (snmp_pdu_encode(pdu, &b)) {
1250                 snmp_pdu_dump(pdu);
1259 	return pdu->request_id;
1279 		listentry->callback(listentry->pdu, NULL, listentry->arg);
1284 		listentry->reqid = snmp_send_packet(listentry->pdu);
1292 snmp_pdu_send(struct snmp_pdu *pdu, snmp_send_cb_f func, void *arg)
1303 	if ((id = snmp_send_packet(pdu)) == -1) {
1309 	listentry->pdu = pdu;
1313 	listentry->reqid = pdu->request_id;
1340 snmp_receive_packet(struct snmp_pdu *pdu, struct timeval *tv)
1443 	memset(pdu, 0, sizeof(*pdu));
1445 		memcpy(&pdu->engine, &snmp_client.engine, sizeof(pdu->engine));
1446 		memcpy(&pdu->user, &snmp_client.user, sizeof(pdu->user));
1447 		snmp_pdu_init_secparams(pdu);
1450 	if (SNMP_CODE_OK != (ret = snmp_pdu_decode(&abuf, pdu, &ip))) {
1458 		snmp_pdu_dump(pdu);
1460 	snmp_client.engine.engine_time = pdu->engine.engine_time;
1461 	snmp_client.engine.engine_boots = pdu->engine.engine_boots;
1472 		warn("ignoring snmp pdu %u", resp->type);
1483 	listentry->callback(listentry->pdu, resp, listentry->arg);
1678 	errx(1, "%s: bad pdu type %i", __func__, req->type);
1689 	struct snmp_pdu pdu;
1695 	pdu = *req;
1696 	if (pdu.type == SNMP_PDU_GET || pdu.type == SNMP_PDU_GETNEXT ||
1697 	    pdu.type == SNMP_PDU_GETBULK) {
1698 		for (i = 0; i < pdu.nbindings; i++)
1699 			pdu.bindings[i].syntax = SNMP_SYNTAX_NULL;
1705                 if ((reqid = snmp_send_packet(&pdu)) == -1)