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-rw-r--r--bgpd/bgp_btoa.c291
1 files changed, 291 insertions, 0 deletions
diff --git a/bgpd/bgp_btoa.c b/bgpd/bgp_btoa.c
new file mode 100644
index 00000000..7c708814
--- /dev/null
+++ b/bgpd/bgp_btoa.c
@@ -0,0 +1,291 @@
+/* BGP dump to ascii converter
+ Copyright (C) 1999 Kunihiro Ishiguro
+
+This file is part of GNU Zebra.
+
+GNU Zebra is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+GNU Zebra is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Zebra; see the file COPYING. If not, write to the Free
+Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+
+#include <zebra.h>
+
+#include "zebra.h"
+#include "stream.h"
+#include "log.h"
+#include "prefix.h"
+#include "command.h"
+
+#include "bgpd/bgpd.h"
+#include "bgpd/bgp_dump.h"
+#include "bgpd/bgp_attr.h"
+#include "bgpd/bgp_aspath.h"
+
+enum MRT_MSG_TYPES {
+ MSG_NULL,
+ MSG_START, /* sender is starting up */
+ MSG_DIE, /* receiver should shut down */
+ MSG_I_AM_DEAD, /* sender is shutting down */
+ MSG_PEER_DOWN, /* sender's peer is down */
+ MSG_PROTOCOL_BGP, /* msg is a BGP packet */
+ MSG_PROTOCOL_RIP, /* msg is a RIP packet */
+ MSG_PROTOCOL_IDRP, /* msg is an IDRP packet */
+ MSG_PROTOCOL_RIPNG, /* msg is a RIPNG packet */
+ MSG_PROTOCOL_BGP4PLUS, /* msg is a BGP4+ packet */
+ MSG_PROTOCOL_BGP4PLUS_01, /* msg is a BGP4+ (draft 01) packet */
+ MSG_PROTOCOL_OSPF, /* msg is an OSPF packet */
+ MSG_TABLE_DUMP /* routing table dump */
+};
+
+int
+attr_parse (struct stream *s, u_int16_t len)
+{
+ u_int flag;
+ u_int type;
+ u_int16_t length;
+ u_int16_t lim;
+
+ lim = s->getp + len;
+
+ printf ("attr_parse s->getp %d, len %d, lim %d\n", s->getp, len, lim);
+
+ while (s->getp < lim)
+ {
+ flag = stream_getc (s);
+ type = stream_getc (s);
+
+ if (flag & ATTR_FLAG_EXTLEN)
+ length = stream_getw (s);
+ else
+ length = stream_getc (s);
+
+ printf ("FLAG: %d\n", flag);
+ printf ("TYPE: %d\n", type);
+ printf ("Len: %d\n", length);
+
+ switch (type)
+ {
+ case BGP_ATTR_ORIGIN:
+ {
+ u_char origin;
+ origin = stream_getc (s);
+ printf ("ORIGIN: %d\n", origin);
+ }
+ break;
+ case BGP_ATTR_AS_PATH:
+ {
+ struct aspath aspath;
+
+ aspath.data = (s->data + s->getp);
+ aspath.length = length;
+ aspath.str = aspath_make_str_count (&aspath);
+ printf ("ASPATH: %s\n", aspath.str);
+ free (aspath.str);
+
+ stream_forward (s, length);
+ }
+ break;
+ case BGP_ATTR_NEXT_HOP:
+ {
+ struct in_addr nexthop;
+ nexthop.s_addr = stream_get_ipv4 (s);
+ printf ("NEXTHOP: %s\n", inet_ntoa (nexthop));
+ /* stream_forward (s, length); */
+ }
+ break;
+ default:
+ stream_forward (s, length);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+int
+main (int argc, char **argv)
+{
+ int ret;
+ FILE *fp;
+ struct stream *s;
+ time_t now;
+ int type;
+ int subtype;
+ int len;
+ int source_as;
+ int dest_as;
+ int ifindex;
+ int family;
+ struct in_addr sip;
+ struct in_addr dip;
+ u_int16_t viewno, seq_num;
+ struct prefix_ipv4 p;
+
+ s = stream_new (10000);
+
+ if (argc != 2)
+ {
+ fprintf (stderr, "Usage: %s FILENAME\n", argv[0]);
+ exit (1);
+ }
+ fp = fopen (argv[1], "r");
+ if (!fp)
+ {
+ perror ("fopen");
+ exit (1);
+ }
+
+ while (1)
+ {
+ stream_reset (s);
+
+ ret = fread (s->data, 12, 1, fp);
+ if (feof (fp))
+ {
+ printf ("END OF FILE\n");
+ break;
+ }
+ if (ferror (fp))
+ {
+ printf ("ERROR OF FREAD\n");
+ break;
+ }
+
+ /* Extract header. */
+ now = stream_getl (s);
+ type = stream_getw (s);
+ subtype = stream_getw (s);
+ len = stream_getl (s);
+
+ printf ("TIME: %s", ctime (&now));
+
+ /* printf ("TYPE: %d/%d\n", type, subtype); */
+
+ if (type == MSG_PROTOCOL_BGP4MP)
+ printf ("TYPE: BGP4MP");
+ else if (type == MSG_TABLE_DUMP)
+ printf ("TYPE: MSG_TABLE_DUMP");
+ else
+ printf ("TYPE: Unknown %d", type);
+
+ if (type == MSG_TABLE_DUMP)
+ switch (subtype)
+ {
+ case AFI_IP:
+ printf ("/AFI_IP\n");
+ break;
+ case AFI_IP6:
+ printf ("/AFI_IP6\n");
+ break;
+ default:
+ printf ("/UNKNOWN %d", subtype);
+ break;
+ }
+ else
+ {
+ switch (subtype)
+ {
+ case BGP4MP_STATE_CHANGE:
+ printf ("/CHANGE\n");
+ break;
+ case BGP4MP_MESSAGE:
+ printf ("/MESSAGE\n");
+ break;
+ case BGP4MP_ENTRY:
+ printf ("/ENTRY\n");
+ break;
+ case BGP4MP_SNAPSHOT:
+ printf ("/SNAPSHOT\n");
+ break;
+ default:
+ printf ("/UNKNOWN %d", subtype);
+ break;
+ }
+ }
+
+ printf ("len: %d\n", len);
+
+ ret = fread (s->data + 12, len, 1, fp);
+ if (feof (fp))
+ {
+ printf ("ENDOF FILE 2\n");
+ break;
+ }
+ if (ferror (fp))
+ {
+ printf ("ERROR OF FREAD 2\n");
+ break;
+ }
+
+ /* printf ("now read %d\n", len); */
+
+ if (type == MSG_TABLE_DUMP)
+ {
+ u_char status;
+ time_t originated;
+ struct in_addr peer;
+ u_int16_t attrlen;
+
+ viewno = stream_getw (s);
+ seq_num = stream_getw (s);
+ printf ("VIEW: %d\n", viewno);
+ printf ("SEQUENCE: %d\n", seq_num);
+
+ /* start */
+ while (s->getp < len - 16)
+ {
+ p.prefix.s_addr = stream_get_ipv4 (s);
+ p.prefixlen = stream_getc (s);
+ printf ("PREFIX: %s/%d\n", inet_ntoa (p.prefix), p.prefixlen);
+
+ status = stream_getc (s);
+ originated = stream_getl (s);
+ peer.s_addr = stream_get_ipv4 (s);
+ source_as = stream_getw(s);
+
+ printf ("FROM: %s AS%d\n", inet_ntoa (peer), source_as);
+ printf ("ORIGINATED: %s", ctime (&originated));
+
+ attrlen = stream_getw (s);
+ printf ("ATTRLEN: %d\n", attrlen);
+
+ attr_parse (s, attrlen);
+
+ printf ("STATUS: 0x%x\n", status);
+ }
+ }
+ else
+ {
+ source_as = stream_getw (s);
+ dest_as = stream_getw (s);
+ printf ("source_as: %d\n", source_as);
+ printf ("dest_as: %d\n", dest_as);
+
+ ifindex = stream_getw (s);
+ family = stream_getw (s);
+
+ printf ("ifindex: %d\n", ifindex);
+ printf ("family: %d\n", family);
+
+ sip.s_addr = stream_get_ipv4 (s);
+ dip.s_addr = stream_get_ipv4 (s);
+
+ printf ("saddr: %s\n", inet_ntoa (sip));
+ printf ("daddr: %s\n", inet_ntoa (dip));
+
+ printf ("\n");
+ }
+ }
+ fclose (fp);
+ return 0;
+}
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