mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-12-22 09:41:54 +00:00
code cleanup
This commit is contained in:
parent
23b467318c
commit
29da25c2d0
@ -442,104 +442,6 @@ do_response(struct snmp_proto *p, byte *buf, uint size UNUSED)
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return 1;
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}
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#if 0
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static uint UNUSED
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parse_get_pdu(struct snmp_proto *p, byte *buf, uint size)
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{
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snmp_log("parse_get_pdu()");
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sock *sk = p->sock;
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byte *res_pkt, *res = sk->tbuf;
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uint rsize = sk->tbsize;
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if (size < AGENTX_HEADER_SIZE)
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return 0;
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snmp_log("Get-PDU enough room %p", buf);
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struct agentx_header *h = (void *) buf;
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ADVANCE(buf, size, AGENTX_HEADER_SIZE);
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snmp_log("advancing %p cause %u", buf, AGENTX_HEADER_SIZE);
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int byte_ord = h->flags & AGENTX_NETWORK_BYTE_ORDER;
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byte *pkt = buf;
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uint pkt_size = LOAD(h->payload, byte_ord);
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snmp_log("RX packet size is %u", pkt_size);
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uint clen; /* context len */
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char *context = NULL;
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SNMP_LOAD_CONTEXT(p, h, pkt, context, clen)
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snmp_log("after context load %p, pkt == buf %d", pkt, pkt == buf);
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res_pkt = prepare_response(p, res, rsize);
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snmp_log("response header created: %p (%u)", res_pkt, res_pkt - res);
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/* parsing one search range */
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uint ind = 1;
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int err = 0;
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/* parsed */
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while (!err && pkt - buf < pkt_size)
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{
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struct oid *o_start, *o_end;
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o_start = (struct oid *) pkt;
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pkt += snmp_oid_size(o_start);
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o_end = (struct oid *) pkt; // for Get-PDU always null
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pkt += snmp_oid_size(o_end);
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snmp_log("sizes o_start %lu o_end %lu", snmp_oid_size(o_start),
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snmp_oid_size(o_end));
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snmp_log("o_subid: %u o_prefix %u o_include %u ---",
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o_start->n_subid, o_start->prefix, o_start->include);
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/* currently unsupported non-default context */
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res_pkt = find_n_fill(p, o_start, res_pkt, rsize, 0, byte_ord);
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/*
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struct agentx_varbind *vb_start;
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vb_start = (void *) res_pkt;
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memcpy(&vb_start->name, o_start, oid_size(o_start));
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STORE_16(vb_start->type, AGENTX_INTEGER);
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STORE_16(vb_start->pad, 0); // padding zeroing
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res_pkt += vb_size(vb_start);
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snmp_log(" vb_size() rpkt %p %u", res_pkt, res_pkt - res);
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STORE_PTR(res_pkt, 0x1234ABCD);
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snmp_log(" STORE_PTR int-value rpkt %p %u", res_pkt, res_pkt - res);
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res_pkt += 4;
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snmp_log(" shift rpkt %p %u", res_pkt, res_pkt - res);
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*/
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ind++;
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}
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struct agentx_header *rh = (void *) res;
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SNMP_UPDATE(rh, snmp_pkt_len(res, res_pkt));
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if (err)
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response_err_ind(res, err, ind);
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snmp_log("res->payload %u (loaded) %u, trying to send: %u",
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rh->payload, LOAD(rh->payload, rh->flags & AGENTX_NETWORK_BYTE_ORDER),
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res_pkt - res + 4);
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int ret = sk_send(sk, res_pkt - res);
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snmp_log("message sent");
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if (ret == 0)
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snmp_log("sk_send sleep");
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else if (ret < 0)
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snmp_log("sk_send err no: %d", ret);
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else
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snmp_log("sk_send OK !!");
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return 1;
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}
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#endif
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static u8
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get_mib_class(struct oid *oid)
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{
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@ -633,29 +535,6 @@ snmp_get_bulk(struct snmp_proto *p, struct oid *o_start, struct oid *o_end, byte
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};
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return snmp_mib_fill(p, o_curr, mib_class, pkt, size, &error, contid, byte_ord);
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// REMOVE ME
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#if 0
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last *byte = pkt;
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if (o_curr)
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{
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pkt = snmp_mib_fill(p, o_curr, mib_class, pkt, size, contid, byte_ord);
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}
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else if (!o_curr || pkt == last)
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{
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state->failed++;
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if (!o_predecessor)
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o_predecessor = o_start;
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struct agentx_varbind *vb = snmp_create_varbind(pkt, o_predecessor);
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pkt += snmp_varbind_size(vb);
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vb->type = AGENTX_END_OF_MIB_VIEW;
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}
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return pkt;
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#endif
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}
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}
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@ -758,32 +637,6 @@ parse_gets_pdu(struct snmp_proto *p, byte *req, uint size)
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case AGENTX_GET_BULK_PDU:
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res_pkt = snmp_get_bulk(p, o_start, o_end, res_pkt, rsize, &bulk_state, 0, byte_ord);
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break;
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// REMOVE ME
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#if 0
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{
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snmp_log("type GetBulk-PDU");
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struct oid *o_curr = NULL;
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/* TODO add res packet size limiting logic */
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while ((o_curr = search_mib(p, o_start, o_end, o_curr, mib_class, 0)) != NULL)
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{
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res_pkt = snmp_mib_fill(p, o_curr, mib_class, res_pkt, rsize, 0, byte_ord);
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//res_pkt = find_n_fill(p, o_curr, res_pkt, rsize, 0, byte_ord);
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}
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mb_free(o_curr);
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/* no item found */
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if (res_pkt == res + sizeof(struct agentx_response))
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{
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snmp_log("no item found ");
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err = -2;
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continue;
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}
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break;
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}
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#endif
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}
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mb_free(o_start);
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@ -902,31 +755,6 @@ snmp_ping(struct snmp_proto *p)
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snmp_log("ping_pdu() insufficient size");
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}
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#if 0
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static int
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snmp_stop_ack(sock *sk, uint size)
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{
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struct snmp_proto *p = sk->data;
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byte *buf = sk->rbuf;
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if (size < AGENTX_HEADER_SIZE)
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return 0;
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// TODO FIXME parse_response could return 0 even if waiting packet was parsed
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if (parse_response(p, buf, size))
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{
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// p->p.disabled = 1;
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proto_notify_state(&p->p, PS_DOWN);
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//sk->tx_hook = NULL;
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//sk->rx_hook = NULL;
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}
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/* all done */
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return 0;
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}
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#endif
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/*
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void
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snmp_agent_reconfigure(void)
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@ -1089,257 +917,6 @@ search_mib(struct snmp_proto *p, struct oid *o_start, struct oid *o_end, struct
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}
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}
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// XXX moved to bgp_mib.c
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#if 0
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static byte *
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find_bgp_one(struct bgp_proto *bp, struct oid *o, byte *pkt, uint size UNUSED, uint contid UNUSED)
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{
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struct bgp_conn *b_conn = bp->conn;
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struct bgp_conn *b_in = &bp->incoming_conn;
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struct bgp_conn *b_out = &bp->outgoing_conn;
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struct bgp_stats *b_stats = &bp->stats;
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const struct bgp_config *b_conf = bp->cf;
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uint b_state;
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if (b_conn)
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b_state = b_conn->state;
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else if (MAX(b_in->state, b_out->state) == BS_CLOSE &&
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MIN(b_in->state, b_out->state) != BS_CLOSE)
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b_state = MIN(b_in->state, b_out->state);
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/* BS_CLOSE is unsupported by BGP4-MIB */
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else if (MIN(b_in->state, b_out->state) == BS_CLOSE)
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b_state = BS_IDLE;
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else
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b_state = MAX(b_in->state, b_out->state);
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struct agentx_varbind *vb = snmp_create_varbind(pkt, o);
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pkt += snmp_varbind_size(vb);
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switch (o->ids[4])
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{
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case SNMP_BGP_IDENTIFIER:
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if (b_state == BS_OPENCONFIRM || b_state == BS_ESTABLISHED)
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{
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STORE_PTR(pkt, ipa_to_u32(bp->remote_ip));
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BGP_DATA(vb, AGENTX_IP_ADDRESS, pkt);
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}
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else
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{
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snmp_put_blank(pkt); /* store 4B of zeroes */
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BGP_DATA(vb, AGENTX_IP_ADDRESS, pkt);
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}
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break;
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case SNMP_BGP_STATE:
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STORE_PTR(pkt, b_state);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_ADMIN_STATUS:
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if (((struct proto *) bp)->disabled)
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STORE_PTR(pkt, AGENTX_ADMIN_STOP);
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else
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STORE_PTR(pkt, AGENTX_ADMIN_START);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_NEGOTIATED_VERSION:
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if (b_state == BS_OPENCONFIRM || b_state == BS_ESTABLISHED)
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STORE_PTR(pkt, 4);
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else
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STORE_PTR(pkt, 0);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_LOCAL_ADDR:
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// TODO XXX bp->link_addr & zero local_ip
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STORE_PTR(pkt, ipa_to_u32(bp->local_ip));
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BGP_DATA(vb, AGENTX_IP_ADDRESS, pkt);
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break;
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case SNMP_BGP_LOCAL_PORT:
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STORE_PTR(pkt, b_conf->local_port);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_REMOTE_ADDR:
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STORE_PTR(pkt, ipa_to_u32(bp->remote_ip));
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BGP_DATA(vb, AGENTX_IP_ADDRESS, pkt);
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break;
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case SNMP_BGP_REMOTE_PORT:
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STORE_PTR(pkt, b_conf->remote_port);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_REMOTE_AS:
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STORE_PTR(pkt, bp->remote_as);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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/* IN UPDATES */
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case SNMP_BGP_RX_UPDATES:
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STORE_PTR(pkt, b_stats->rx_updates);
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BGP_DATA(vb, AGENTX_COUNTER_32, pkt);
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break;
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/* OUT UPDATES */
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case SNMP_BGP_TX_UPDATES:
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STORE_PTR(pkt, b_stats->tx_updates);
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BGP_DATA(vb, AGENTX_COUNTER_32, pkt);
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break;
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/* IN MESSAGES */
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case SNMP_BGP_RX_MESSAGES:
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STORE_PTR(pkt, b_stats->rx_messages);
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BGP_DATA(vb, AGENTX_COUNTER_32, pkt);
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break;
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/* OUT MESSAGES */
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case SNMP_BGP_TX_MESSAGES:
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STORE_PTR(pkt, b_stats->tx_messages);
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BGP_DATA(vb, AGENTX_COUNTER_32, pkt);
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break;
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case SNMP_BGP_LAST_ERROR:
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STORE_PTR(pkt, 2);
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pkt += 4;
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/* force network order */
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put_u32(pkt,
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(bp->last_error_code << 8 | bp->last_error_code << 24) & 0xFFFF0000);
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/* real size is 8 but we already shifted the pkt by 4 */
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BGP_DATA(vb, AGENTX_OCTET_STRING, pkt);
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break;
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case SNMP_BGP_FSM_TRANSITIONS:
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STORE_PTR(pkt, b_stats->fsm_established_transitions);
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BGP_DATA(vb, AGENTX_COUNTER_32, pkt);
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break;
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case SNMP_BGP_RETRY_INTERVAL:
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STORE_PTR(pkt, b_conf->connect_retry_time);
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BGP_DATA(vb, AGENTX_COUNTER_32, pkt);
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break;
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case SNMP_BGP_HOLD_TIME:
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if (b_conn && b_conf->hold_time)
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STORE_PTR(pkt, b_conn->hold_time);
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else
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STORE_PTR(pkt, 0);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_KEEPALIVE:
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if (b_conn && b_conf->keepalive_time)
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STORE_PTR(pkt, b_conn->keepalive_time);
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else
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STORE_PTR(pkt, 0);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_HOLD_TIME_CONFIGURED:
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STORE_PTR(pkt, b_conf->hold_time);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_KEEPALIVE_CONFIGURED:
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STORE_PTR(pkt, b_conf->keepalive_time);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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/* UNSUPPORTED */
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/* TODO XXX forbiden value 0 */
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case SNMP_BGP_ORIGINATION_INTERVAL:
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case SNMP_BGP_MIN_ROUTE_ADVERTISEMENT:
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STORE_PTR(pkt, 0);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_FSM_ESTABLISHED_TIME:
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case SNMP_BGP_IN_UPDATE_ELAPSED_TIME:
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vb->type = AGENTX_NO_SUCH_OBJECT;
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/* no default */
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}
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return pkt;
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}
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#endif
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#if 0
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/* contid - context identification number */
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static byte *
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snmp_bgp_record(struct snmp_proto *p, struct oid *o, byte *buf, uint size, uint contid)
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{
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struct agentx_varbind *vb = snmp_create_varbind(buf, o);
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byte *pkt = buf + snmp_varbind_size(vb);
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switch (o->ids[2])
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{
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case SNMP_BGP_VERSION:
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STORE_PTR(pkt, 1); // string len
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pkt += 4;
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STORE_PTR(pkt, BGP4_VERSIONS);
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/* real size is 8 but we already shifted the pkt by 4 */
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BGP_DATA(vb, AGENTX_OCTET_STRING, pkt);
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break;
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case SNMP_BGP_LOCAL_AS:
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// XXX local as to use
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STORE_PTR(pkt, p->local_as);
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BGP_DATA(vb, AGENTX_INTEGER, pkt);
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break;
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case SNMP_BGP_PEER_TABLE:
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/* end part of .1.3.6.1.2.1.15.3.1.x.a.b.c.d */
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if (o->n_subid < 9 || o->ids[3] != SNMP_BGP_PEER_ENTRY
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|| o->ids[4] == 0 || o->ids[4] > 24)
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vb->type = AGENTX_NO_SUCH_OBJECT;
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// TODO enumerate range requests
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ip_addr addr = ipa_build4(o->ids[5], o->ids[6], o->ids[7], o->ids[8]);
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struct snmp_bgp_peer *pe =
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HASH_FIND(p->bgp_hash, SNMP_HASH, addr);
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struct bgp_proto *bp = NULL;
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if (pe && ((struct proto_config *)pe->config)->proto &&
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ipa_equal(addr,
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(((struct bgp_proto *) ((struct proto_config *)pe->config)->proto)->remote_ip)))
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{
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bp = (void *) ((struct proto_config *) pe->config)->proto;
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}
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/* IF WE CONSIDER CHANGES OF REMOTE IP
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else
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{
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struct snmp_bond *b;
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WALK_LIST(b, p->bgp_entries)
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if (b->proto->proto &&
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ipa_equal(((struct bgp_proto *) b->proto->proto)->remote_ip, addr))
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bp = (struct bgp_proto *) b->proto->proto;
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}
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*/
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if (!bp)
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{ /* pkt += 0; no data inserted into the packet */
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vb->type = AGENTX_NO_SUCH_OBJECT;
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return pkt;
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}
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return find_bgp_one(bp, o, buf, size, contid);
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break;
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default:
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/* pkt += 0; no data */
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vb->type = AGENTX_NO_SUCH_OBJECT;
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}
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return pkt;
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}
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#endif
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/*
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static byte *
|
||||
find_ospf_record(struct snmp_proto *p, struct oid *o, byte *buf, uint size)
|
||||
@ -1349,46 +926,11 @@ find_ospf_record(struct snmp_proto *p, struct oid *o, byte *buf, uint size)
|
||||
}
|
||||
*/
|
||||
|
||||
#if 0
|
||||
static inline byte *
|
||||
find_prefixed(struct snmp_proto *p, struct oid *o, byte *buf, uint size, uint contid)
|
||||
{
|
||||
snmp_log("find_prefixed() - shouldn't be called");
|
||||
struct agentx_varbind *vb = snmp_create_varbind(buf, o);
|
||||
buf += snmp_varbind_size(vb);
|
||||
|
||||
/* SNMPv2 mgmt mib-2 */
|
||||
if (o->n_subid < 2 || (o->prefix != 2 && o->ids[0] != 1))
|
||||
{
|
||||
vb->type = AGENTX_NO_SUCH_OBJECT;
|
||||
return buf;
|
||||
}
|
||||
|
||||
switch (o->ids[1])
|
||||
{
|
||||
case SNMP_BGP4_MIB:
|
||||
snmp_log("find_prefixed() BGP4");
|
||||
//return snmp_bgp_record(p, o, buf, size, contid);
|
||||
return buf;
|
||||
|
||||
case SNMP_OSPFv3_MIB:
|
||||
//return snmp_no_such_object(buf, vb);
|
||||
//return find_ospf_record(p, o, buf, size);
|
||||
return buf;
|
||||
|
||||
default:
|
||||
vb->type = AGENTX_NO_SUCH_OBJECT;
|
||||
return buf;
|
||||
//return snmp_no_such_object(buf, vb);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/**
|
||||
/**
|
||||
* snmp_prefixize - return prefixed oid copy if possible
|
||||
* @proto: allocation pool holder
|
||||
* @oid: from packet loaded object identifier
|
||||
* @byte_ord: byte order of @oid
|
||||
* @byte_ord: byte order of @oid
|
||||
*
|
||||
* Returns prefixed (meaning with nonzero prefix field) oid copy of @oid if
|
||||
* possible, NULL otherwise. Returned pointer is always allocated from @proto's
|
||||
@ -1425,13 +967,13 @@ snmp_prefixize(struct snmp_proto *proto, struct oid *oid, int byte_ord)
|
||||
if (oid->ids[4] >= 256)
|
||||
return NULL;
|
||||
|
||||
struct oid *new = mb_alloc(proto->p.pool,
|
||||
struct oid *new = mb_alloc(proto->p.pool,
|
||||
sizeof(struct oid) + MAX((oid->n_subid - 5) * sizeof(u32), 0));
|
||||
|
||||
memcpy(new, oid, sizeof(struct oid));
|
||||
new->n_subid = oid->n_subid - 5;
|
||||
|
||||
/* validity check before allocation => ids[4] < 256
|
||||
/* validity check before allocation => ids[4] < 256
|
||||
and can be copied to one byte new->prefix */
|
||||
new->prefix = oid->ids[4];
|
||||
|
||||
@ -1439,22 +981,8 @@ snmp_prefixize(struct snmp_proto *proto, struct oid *oid, int byte_ord)
|
||||
return new;
|
||||
}
|
||||
|
||||
#if 0
|
||||
static inline byte *
|
||||
find_n_fill(struct snmp_proto *p, struct oid *o, byte *buf, uint size, uint contid, int byte_ord)
|
||||
{
|
||||
struct oid *new;
|
||||
if (!o->prefix && (new = snmp_prefixize(p, o, byte_ord)) != NULL)
|
||||
return find_prefixed(p, new, buf, size, contid);
|
||||
else if (o->prefix)
|
||||
return find_prefixed(p, o, buf, size, contid);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
/**
|
||||
* snmp_mib_fill -
|
||||
* snmp_mib_fill -
|
||||
*/
|
||||
static byte *snmp_mib_fill(struct snmp_proto *p, struct oid *oid, u8 mib_class,
|
||||
byte *buf, uint size, struct snmp_error *error, uint contid, int byte_ord)
|
||||
@ -1470,7 +998,7 @@ byte *buf, uint size, struct snmp_error *error, uint contid, int byte_ord)
|
||||
/* SNMPv2 mgmt mib-2 */
|
||||
if (oid->n_subid < 2 || (oid->prefix != 2 && oid->ids[0] != 1))
|
||||
{
|
||||
vb->type = AGENTX_NO_SUCH_OBJECT;
|
||||
vb->type = AGENTX_NO_SUCH_OBJECT;
|
||||
return buf;
|
||||
}
|
||||
|
||||
@ -1481,7 +1009,7 @@ byte *buf, uint size, struct snmp_error *error, uint contid, int byte_ord)
|
||||
buf = snmp_bgp_fill(p, vb, buf, size, contid, byte_ord);
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
if (last == buf)
|
||||
{
|
||||
buf = snmp_fix_varbind(vb, error->oid);
|
||||
|
Loading…
Reference in New Issue
Block a user