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123 lines
3.1 KiB
C
123 lines
3.1 KiB
C
Index: bgpctl/mrtparser.h
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===================================================================
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RCS file: bgpctl/mrtparser.h
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diff -N bgpctl/mrtparser.h
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--- /dev/null 1 Jan 1970 00:00:00 -0000
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+++ bgpctl/mrtparser.h 13 Oct 2012 18:22:53 -0000 1.1.1.1
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@@ -0,0 +1,115 @@
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+/* $OpenBSD$ */
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+/*
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+ * Copyright (c) 2011 Claudio Jeker <claudio@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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+
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+struct sockaddr_vpn4 {
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+ u_int8_t sv_len;
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+ sa_family_t sv_family;
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+ u_int8_t sv_labellen;
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+ u_int8_t sv_pad;
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+ struct in_addr sv_addr;
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+ u_int64_t sv_rd;
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+ u_int8_t sv_label[21];
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+ u_int8_t sv_pad2[3];
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+};
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+
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+#define AF_VPNv4 250 /* XXX high enough to not cause issues */
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+
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+union mrt_addr {
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+ struct sockaddr_in6 sin6;
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+ struct sockaddr_in sin;
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+ struct sockaddr_vpn4 svpn4;
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+ struct sockaddr sa;
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+};
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+
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+/* data structures for the MSG_TABLE_DUMP_V2 format */
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+struct mrt_peer_entry {
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+ union mrt_addr addr;
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+ u_int32_t bgp_id;
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+ u_int32_t asnum;
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+};
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+
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+struct mrt_peer {
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+ char *view;
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+ struct mrt_peer_entry *peers;
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+ u_int32_t bgp_id;
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+ u_int16_t npeers;
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+};
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+
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+struct mrt_attr {
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+ void *attr;
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+ size_t attr_len;
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+};
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+
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+struct mrt_rib_entry {
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+ void *aspath;
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+ struct mrt_attr *attrs;
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+ union mrt_addr nexthop;
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+ time_t originated;
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+ u_int32_t local_pref;
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+ u_int32_t med;
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+ u_int16_t peer_idx;
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+ u_int16_t aspath_len;
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+ u_int16_t nattrs;
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+ u_int8_t origin;
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+};
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+
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+struct mrt_rib {
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+ struct mrt_rib_entry *entries;
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+ union mrt_addr prefix;
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+ u_int32_t seqnum;
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+ u_int16_t nentries;
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+ u_int8_t prefixlen;
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+};
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+
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+/* data structures for the BGP4MP MESSAGE and STATE types */
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+struct mrt_bgp_state {
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+ union mrt_addr src;
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+ union mrt_addr dst;
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+ u_int32_t src_as;
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+ u_int32_t dst_as;
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+ u_int16_t old_state;
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+ u_int16_t new_state;
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+};
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+
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+struct mrt_bgp_msg {
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+ union mrt_addr src;
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+ union mrt_addr dst;
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+ u_int32_t src_as;
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+ u_int32_t dst_as;
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+ u_int16_t msg_len;
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+ void *msg;
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+};
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+
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+#define MRT_ATTR_ORIGIN 1
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+#define MRT_ATTR_ASPATH 2
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+#define MRT_ATTR_NEXTHOP 3
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+#define MRT_ATTR_MED 4
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+#define MRT_ATTR_LOCALPREF 5
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+#define MRT_ATTR_MP_REACH_NLRI 14
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+#define MRT_ATTR_AS4PATH 17
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+#define MRT_ATTR_EXTLEN 0x10
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+
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+#define MRT_PREFIX_LEN(x) ((((u_int)x) + 7) / 8)
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+
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+struct mrt_parser {
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+ void (*dump)(struct mrt_rib *, struct mrt_peer *, void *);
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+ void (*state)(struct mrt_bgp_state *, void *);
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+ void (*message)(struct mrt_bgp_msg *, void *);
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+ void *arg;
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+};
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+
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+void mrt_parse(int, struct mrt_parser *, int);
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