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+/*
+ * Copyright: (c) 2000 United States Government as represented by the
+ * Secretary of the Navy. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. The names of the authors may not be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/* \summary: AFS RX printer */
+
+/*
+ * This code unmangles RX packets. RX is the mutant form of RPC that AFS
+ * uses to communicate between clients and servers.
+ *
+ * In this code, I mainly concern myself with decoding the AFS calls, not
+ * with the guts of RX, per se.
+ *
+ * Bah. If I never look at rx_packet.h again, it will be too soon.
+ *
+ * Ken Hornstein <kenh@cmf.nrl.navy.mil>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+#include "ip.h"
+
+#define FS_RX_PORT 7000
+#define CB_RX_PORT 7001
+#define PROT_RX_PORT 7002
+#define VLDB_RX_PORT 7003
+#define KAUTH_RX_PORT 7004
+#define VOL_RX_PORT 7005
+#define ERROR_RX_PORT 7006 /* Doesn't seem to be used */
+#define BOS_RX_PORT 7007
+
+#define AFSOPAQUEMAX 1024
+#define AFSNAMEMAX 256 /* Must be >= PRNAMEMAX + 1, VLNAMEMAX + 1, and 32 + 1 */
+#define PRNAMEMAX 64
+#define VLNAMEMAX 65
+#define KANAMEMAX 64
+#define BOSNAMEMAX 256
+#define USERNAMEMAX 1024 /* AFSOPAQUEMAX was used for this; does it need to be this big? */
+
+#define PRSFS_READ 1 /* Read files */
+#define PRSFS_WRITE 2 /* Write files */
+#define PRSFS_INSERT 4 /* Insert files into a directory */
+#define PRSFS_LOOKUP 8 /* Lookup files into a directory */
+#define PRSFS_DELETE 16 /* Delete files */
+#define PRSFS_LOCK 32 /* Lock files */
+#define PRSFS_ADMINISTER 64 /* Change ACL's */
+
+struct rx_header {
+ nd_uint32_t epoch;
+ nd_uint32_t cid;
+ nd_uint32_t callNumber;
+ nd_uint32_t seq;
+ nd_uint32_t serial;
+ nd_uint8_t type;
+#define RX_PACKET_TYPE_DATA 1
+#define RX_PACKET_TYPE_ACK 2
+#define RX_PACKET_TYPE_BUSY 3
+#define RX_PACKET_TYPE_ABORT 4
+#define RX_PACKET_TYPE_ACKALL 5
+#define RX_PACKET_TYPE_CHALLENGE 6
+#define RX_PACKET_TYPE_RESPONSE 7
+#define RX_PACKET_TYPE_DEBUG 8
+#define RX_PACKET_TYPE_PARAMS 9
+#define RX_PACKET_TYPE_VERSION 13
+ nd_uint8_t flags;
+#define RX_CLIENT_INITIATED 1
+#define RX_REQUEST_ACK 2
+#define RX_LAST_PACKET 4
+#define RX_MORE_PACKETS 8
+#define RX_FREE_PACKET 16
+#define RX_SLOW_START_OK 32
+#define RX_JUMBO_PACKET 32
+ nd_uint8_t userStatus;
+ nd_uint8_t securityIndex;
+ nd_uint16_t spare; /* How clever: even though the AFS */
+ nd_uint16_t serviceId; /* header files indicate that the */
+}; /* serviceId is first, it's really */
+ /* encoded _after_ the spare field */
+ /* I wasted a day figuring that out! */
+
+#define NUM_RX_FLAGS 7
+
+#define RX_MAXACKS 255
+
+struct rx_ackPacket {
+ nd_uint16_t bufferSpace; /* Number of packet buffers available */
+ nd_uint16_t maxSkew; /* Max diff between ack'd packet and */
+ /* highest packet received */
+ nd_uint32_t firstPacket; /* The first packet in ack list */
+ nd_uint32_t previousPacket; /* Previous packet recv'd (obsolete) */
+ nd_uint32_t serial; /* # of packet that prompted the ack */
+ nd_uint8_t reason; /* Reason for acknowledgement */
+ nd_uint8_t nAcks; /* Number of acknowledgements */
+ /* Followed by nAcks acknowledgments */
+#if 0
+ uint8_t acks[RX_MAXACKS]; /* Up to RX_MAXACKS acknowledgements */
+#endif
+};
+
+/*
+ * Values for the acks array
+ */
+
+#define RX_ACK_TYPE_NACK 0 /* Don't have this packet */
+#define RX_ACK_TYPE_ACK 1 /* I have this packet */
+
+static const struct tok rx_types[] = {
+ { RX_PACKET_TYPE_DATA, "data" },
+ { RX_PACKET_TYPE_ACK, "ack" },
+ { RX_PACKET_TYPE_BUSY, "busy" },
+ { RX_PACKET_TYPE_ABORT, "abort" },
+ { RX_PACKET_TYPE_ACKALL, "ackall" },
+ { RX_PACKET_TYPE_CHALLENGE, "challenge" },
+ { RX_PACKET_TYPE_RESPONSE, "response" },
+ { RX_PACKET_TYPE_DEBUG, "debug" },
+ { RX_PACKET_TYPE_PARAMS, "params" },
+ { RX_PACKET_TYPE_VERSION, "version" },
+ { 0, NULL },
+};
+
+static const struct double_tok {
+ uint32_t flag; /* Rx flag */
+ uint32_t packetType; /* Packet type */
+ const char *s; /* Flag string */
+} rx_flags[] = {
+ { RX_CLIENT_INITIATED, 0, "client-init" },
+ { RX_REQUEST_ACK, 0, "req-ack" },
+ { RX_LAST_PACKET, 0, "last-pckt" },
+ { RX_MORE_PACKETS, 0, "more-pckts" },
+ { RX_FREE_PACKET, 0, "free-pckt" },
+ { RX_SLOW_START_OK, RX_PACKET_TYPE_ACK, "slow-start" },
+ { RX_JUMBO_PACKET, RX_PACKET_TYPE_DATA, "jumbogram" }
+};
+
+static const struct tok fs_req[] = {
+ { 130, "fetch-data" },
+ { 131, "fetch-acl" },
+ { 132, "fetch-status" },
+ { 133, "store-data" },
+ { 134, "store-acl" },
+ { 135, "store-status" },
+ { 136, "remove-file" },
+ { 137, "create-file" },
+ { 138, "rename" },
+ { 139, "symlink" },
+ { 140, "link" },
+ { 141, "makedir" },
+ { 142, "rmdir" },
+ { 143, "oldsetlock" },
+ { 144, "oldextlock" },
+ { 145, "oldrellock" },
+ { 146, "get-stats" },
+ { 147, "give-cbs" },
+ { 148, "get-vlinfo" },
+ { 149, "get-vlstats" },
+ { 150, "set-vlstats" },
+ { 151, "get-rootvl" },
+ { 152, "check-token" },
+ { 153, "get-time" },
+ { 154, "nget-vlinfo" },
+ { 155, "bulk-stat" },
+ { 156, "setlock" },
+ { 157, "extlock" },
+ { 158, "rellock" },
+ { 159, "xstat-ver" },
+ { 160, "get-xstat" },
+ { 161, "dfs-lookup" },
+ { 162, "dfs-flushcps" },
+ { 163, "dfs-symlink" },
+ { 220, "residency" },
+ { 65536, "inline-bulk-status" },
+ { 65537, "fetch-data-64" },
+ { 65538, "store-data-64" },
+ { 65539, "give-up-all-cbs" },
+ { 65540, "get-caps" },
+ { 65541, "cb-rx-conn-addr" },
+ { 0, NULL },
+};
+
+static const struct tok cb_req[] = {
+ { 204, "callback" },
+ { 205, "initcb" },
+ { 206, "probe" },
+ { 207, "getlock" },
+ { 208, "getce" },
+ { 209, "xstatver" },
+ { 210, "getxstat" },
+ { 211, "initcb2" },
+ { 212, "whoareyou" },
+ { 213, "initcb3" },
+ { 214, "probeuuid" },
+ { 215, "getsrvprefs" },
+ { 216, "getcellservdb" },
+ { 217, "getlocalcell" },
+ { 218, "getcacheconf" },
+ { 65536, "getce64" },
+ { 65537, "getcellbynum" },
+ { 65538, "tellmeaboutyourself" },
+ { 0, NULL },
+};
+
+static const struct tok pt_req[] = {
+ { 500, "new-user" },
+ { 501, "where-is-it" },
+ { 502, "dump-entry" },
+ { 503, "add-to-group" },
+ { 504, "name-to-id" },
+ { 505, "id-to-name" },
+ { 506, "delete" },
+ { 507, "remove-from-group" },
+ { 508, "get-cps" },
+ { 509, "new-entry" },
+ { 510, "list-max" },
+ { 511, "set-max" },
+ { 512, "list-entry" },
+ { 513, "change-entry" },
+ { 514, "list-elements" },
+ { 515, "same-mbr-of" },
+ { 516, "set-fld-sentry" },
+ { 517, "list-owned" },
+ { 518, "get-cps2" },
+ { 519, "get-host-cps" },
+ { 520, "update-entry" },
+ { 521, "list-entries" },
+ { 530, "list-super-groups" },
+ { 0, NULL },
+};
+
+static const struct tok vldb_req[] = {
+ { 501, "create-entry" },
+ { 502, "delete-entry" },
+ { 503, "get-entry-by-id" },
+ { 504, "get-entry-by-name" },
+ { 505, "get-new-volume-id" },
+ { 506, "replace-entry" },
+ { 507, "update-entry" },
+ { 508, "setlock" },
+ { 509, "releaselock" },
+ { 510, "list-entry" },
+ { 511, "list-attrib" },
+ { 512, "linked-list" },
+ { 513, "get-stats" },
+ { 514, "probe" },
+ { 515, "get-addrs" },
+ { 516, "change-addr" },
+ { 517, "create-entry-n" },
+ { 518, "get-entry-by-id-n" },
+ { 519, "get-entry-by-name-n" },
+ { 520, "replace-entry-n" },
+ { 521, "list-entry-n" },
+ { 522, "list-attrib-n" },
+ { 523, "linked-list-n" },
+ { 524, "update-entry-by-name" },
+ { 525, "create-entry-u" },
+ { 526, "get-entry-by-id-u" },
+ { 527, "get-entry-by-name-u" },
+ { 528, "replace-entry-u" },
+ { 529, "list-entry-u" },
+ { 530, "list-attrib-u" },
+ { 531, "linked-list-u" },
+ { 532, "regaddr" },
+ { 533, "get-addrs-u" },
+ { 534, "list-attrib-n2" },
+ { 0, NULL },
+};
+
+static const struct tok kauth_req[] = {
+ { 1, "auth-old" },
+ { 21, "authenticate" },
+ { 22, "authenticate-v2" },
+ { 2, "change-pw" },
+ { 3, "get-ticket-old" },
+ { 23, "get-ticket" },
+ { 4, "set-pw" },
+ { 5, "set-fields" },
+ { 6, "create-user" },
+ { 7, "delete-user" },
+ { 8, "get-entry" },
+ { 9, "list-entry" },
+ { 10, "get-stats" },
+ { 11, "debug" },
+ { 12, "get-pw" },
+ { 13, "get-random-key" },
+ { 14, "unlock" },
+ { 15, "lock-status" },
+ { 0, NULL },
+};
+
+static const struct tok vol_req[] = {
+ { 100, "create-volume" },
+ { 101, "delete-volume" },
+ { 102, "restore" },
+ { 103, "forward" },
+ { 104, "end-trans" },
+ { 105, "clone" },
+ { 106, "set-flags" },
+ { 107, "get-flags" },
+ { 108, "trans-create" },
+ { 109, "dump" },
+ { 110, "get-nth-volume" },
+ { 111, "set-forwarding" },
+ { 112, "get-name" },
+ { 113, "get-status" },
+ { 114, "sig-restore" },
+ { 115, "list-partitions" },
+ { 116, "list-volumes" },
+ { 117, "set-id-types" },
+ { 118, "monitor" },
+ { 119, "partition-info" },
+ { 120, "reclone" },
+ { 121, "list-one-volume" },
+ { 122, "nuke" },
+ { 123, "set-date" },
+ { 124, "x-list-volumes" },
+ { 125, "x-list-one-volume" },
+ { 126, "set-info" },
+ { 127, "x-list-partitions" },
+ { 128, "forward-multiple" },
+ { 65536, "convert-ro" },
+ { 65537, "get-size" },
+ { 65538, "dump-v2" },
+ { 0, NULL },
+};
+
+static const struct tok bos_req[] = {
+ { 80, "create-bnode" },
+ { 81, "delete-bnode" },
+ { 82, "set-status" },
+ { 83, "get-status" },
+ { 84, "enumerate-instance" },
+ { 85, "get-instance-info" },
+ { 86, "get-instance-parm" },
+ { 87, "add-superuser" },
+ { 88, "delete-superuser" },
+ { 89, "list-superusers" },
+ { 90, "list-keys" },
+ { 91, "add-key" },
+ { 92, "delete-key" },
+ { 93, "set-cell-name" },
+ { 94, "get-cell-name" },
+ { 95, "get-cell-host" },
+ { 96, "add-cell-host" },
+ { 97, "delete-cell-host" },
+ { 98, "set-t-status" },
+ { 99, "shutdown-all" },
+ { 100, "restart-all" },
+ { 101, "startup-all" },
+ { 102, "set-noauth-flag" },
+ { 103, "re-bozo" },
+ { 104, "restart" },
+ { 105, "start-bozo-install" },
+ { 106, "uninstall" },
+ { 107, "get-dates" },
+ { 108, "exec" },
+ { 109, "prune" },
+ { 110, "set-restart-time" },
+ { 111, "get-restart-time" },
+ { 112, "start-bozo-log" },
+ { 113, "wait-all" },
+ { 114, "get-instance-strings" },
+ { 115, "get-restricted" },
+ { 116, "set-restricted" },
+ { 0, NULL },
+};
+
+static const struct tok ubik_req[] = {
+ { 10000, "vote-beacon" },
+ { 10001, "vote-debug-old" },
+ { 10002, "vote-sdebug-old" },
+ { 10003, "vote-getsyncsite" },
+ { 10004, "vote-debug" },
+ { 10005, "vote-sdebug" },
+ { 10006, "vote-xdebug" },
+ { 10007, "vote-xsdebug" },
+ { 20000, "disk-begin" },
+ { 20001, "disk-commit" },
+ { 20002, "disk-lock" },
+ { 20003, "disk-write" },
+ { 20004, "disk-getversion" },
+ { 20005, "disk-getfile" },
+ { 20006, "disk-sendfile" },
+ { 20007, "disk-abort" },
+ { 20008, "disk-releaselocks" },
+ { 20009, "disk-truncate" },
+ { 20010, "disk-probe" },
+ { 20011, "disk-writev" },
+ { 20012, "disk-interfaceaddr" },
+ { 20013, "disk-setversion" },
+ { 0, NULL },
+};
+
+#define VOTE_LOW 10000
+#define VOTE_HIGH 10007
+#define DISK_LOW 20000
+#define DISK_HIGH 20013
+
+static const struct tok cb_types[] = {
+ { 1, "exclusive" },
+ { 2, "shared" },
+ { 3, "dropped" },
+ { 0, NULL },
+};
+
+static const struct tok ubik_lock_types[] = {
+ { 1, "read" },
+ { 2, "write" },
+ { 3, "wait" },
+ { 0, NULL },
+};
+
+static const char *voltype[] = { "read-write", "read-only", "backup" };
+
+static const struct tok afs_fs_errors[] = {
+ { 101, "salvage volume" },
+ { 102, "no such vnode" },
+ { 103, "no such volume" },
+ { 104, "volume exist" },
+ { 105, "no service" },
+ { 106, "volume offline" },
+ { 107, "voline online" },
+ { 108, "diskfull" },
+ { 109, "diskquota exceeded" },
+ { 110, "volume busy" },
+ { 111, "volume moved" },
+ { 112, "AFS IO error" },
+ { 0xffffff9c, "restarting fileserver" }, /* -100, sic! */
+ { 0, NULL }
+};
+
+/*
+ * Reasons for acknowledging a packet
+ */
+
+static const struct tok rx_ack_reasons[] = {
+ { 1, "ack requested" },
+ { 2, "duplicate packet" },
+ { 3, "out of sequence" },
+ { 4, "exceeds window" },
+ { 5, "no buffer space" },
+ { 6, "ping" },
+ { 7, "ping response" },
+ { 8, "delay" },
+ { 9, "idle" },
+ { 0, NULL },
+};
+
+/*
+ * Cache entries we keep around so we can figure out the RX opcode
+ * numbers for replies. This allows us to make sense of RX reply packets.
+ */
+
+struct rx_cache_entry {
+ uint32_t callnum; /* Call number (net order) */
+ uint32_t client; /* client IP address (net order) */
+ uint32_t server; /* server IP address (net order) */
+ uint16_t dport; /* server UDP port (host order) */
+ uint16_t serviceId; /* Service identifier (net order) */
+ uint32_t opcode; /* RX opcode (host order) */
+};
+
+#define RX_CACHE_SIZE 64
+
+static struct rx_cache_entry rx_cache[RX_CACHE_SIZE];
+
+static uint32_t rx_cache_next = 0;
+static uint32_t rx_cache_hint = 0;
+static void rx_cache_insert(netdissect_options *, const u_char *, const struct ip *, uint16_t);
+static int rx_cache_find(netdissect_options *, const struct rx_header *,
+ const struct ip *, uint16_t, uint32_t *);
+
+static void fs_print(netdissect_options *, const u_char *, u_int);
+static void fs_reply_print(netdissect_options *, const u_char *, u_int, uint32_t);
+static void acl_print(netdissect_options *, u_char *, const u_char *);
+static void cb_print(netdissect_options *, const u_char *, u_int);
+static void cb_reply_print(netdissect_options *, const u_char *, u_int, uint32_t);
+static void prot_print(netdissect_options *, const u_char *, u_int);
+static void prot_reply_print(netdissect_options *, const u_char *, u_int, uint32_t);
+static void vldb_print(netdissect_options *, const u_char *, u_int);
+static void vldb_reply_print(netdissect_options *, const u_char *, u_int, uint32_t);
+static void kauth_print(netdissect_options *, const u_char *, u_int);
+static void kauth_reply_print(netdissect_options *, const u_char *, u_int, uint32_t);
+static void vol_print(netdissect_options *, const u_char *, u_int);
+static void vol_reply_print(netdissect_options *, const u_char *, u_int, uint32_t);
+static void bos_print(netdissect_options *, const u_char *, u_int);
+static void bos_reply_print(netdissect_options *, const u_char *, u_int, uint32_t);
+static void ubik_print(netdissect_options *, const u_char *);
+static void ubik_reply_print(netdissect_options *, const u_char *, u_int, uint32_t);
+
+static void rx_ack_print(netdissect_options *, const u_char *, u_int);
+
+static int is_ubik(uint32_t);
+
+/*
+ * Handle the rx-level packet. See if we know what port it's going to so
+ * we can peek at the afs call inside
+ */
+
+void
+rx_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, uint16_t sport, uint16_t dport,
+ const u_char *bp2)
+{
+ const struct rx_header *rxh;
+ uint32_t i;
+ uint8_t type, flags;
+ uint32_t opcode;
+
+ ndo->ndo_protocol = "rx";
+ if (!ND_TTEST_LEN(bp, sizeof(struct rx_header))) {
+ ND_PRINT(" [|rx] (%u)", length);
+ return;
+ }
+
+ rxh = (const struct rx_header *) bp;
+
+ type = GET_U_1(rxh->type);
+ ND_PRINT(" rx %s", tok2str(rx_types, "type %u", type));
+
+ flags = GET_U_1(rxh->flags);
+ if (ndo->ndo_vflag) {
+ int firstflag = 0;
+
+ if (ndo->ndo_vflag > 1)
+ ND_PRINT(" cid %08x call# %u",
+ GET_BE_U_4(rxh->cid),
+ GET_BE_U_4(rxh->callNumber));
+
+ ND_PRINT(" seq %u ser %u",
+ GET_BE_U_4(rxh->seq),
+ GET_BE_U_4(rxh->serial));
+
+ if (ndo->ndo_vflag > 2)
+ ND_PRINT(" secindex %u serviceid %hu",
+ GET_U_1(rxh->securityIndex),
+ GET_BE_U_2(rxh->serviceId));
+
+ if (ndo->ndo_vflag > 1)
+ for (i = 0; i < NUM_RX_FLAGS; i++) {
+ if (flags & rx_flags[i].flag &&
+ (!rx_flags[i].packetType ||
+ type == rx_flags[i].packetType)) {
+ if (!firstflag) {
+ firstflag = 1;
+ ND_PRINT(" ");
+ } else {
+ ND_PRINT(",");
+ }
+ ND_PRINT("<%s>", rx_flags[i].s);
+ }
+ }
+ }
+
+ /*
+ * Try to handle AFS calls that we know about. Check the destination
+ * port and make sure it's a data packet. Also, make sure the
+ * seq number is 1 (because otherwise it's a continuation packet,
+ * and we can't interpret that). Also, seems that reply packets
+ * do not have the client-init flag set, so we check for that
+ * as well.
+ */
+
+ if (type == RX_PACKET_TYPE_DATA &&
+ GET_BE_U_4(rxh->seq) == 1 &&
+ flags & RX_CLIENT_INITIATED) {
+
+ /*
+ * Insert this call into the call cache table, so we
+ * have a chance to print out replies
+ */
+
+ rx_cache_insert(ndo, bp, (const struct ip *) bp2, dport);
+
+ switch (dport) {
+ case FS_RX_PORT: /* AFS file service */
+ fs_print(ndo, bp, length);
+ break;
+ case CB_RX_PORT: /* AFS callback service */
+ cb_print(ndo, bp, length);
+ break;
+ case PROT_RX_PORT: /* AFS protection service */
+ prot_print(ndo, bp, length);
+ break;
+ case VLDB_RX_PORT: /* AFS VLDB service */
+ vldb_print(ndo, bp, length);
+ break;
+ case KAUTH_RX_PORT: /* AFS Kerberos auth service */
+ kauth_print(ndo, bp, length);
+ break;
+ case VOL_RX_PORT: /* AFS Volume service */
+ vol_print(ndo, bp, length);
+ break;
+ case BOS_RX_PORT: /* AFS BOS service */
+ bos_print(ndo, bp, length);
+ break;
+ default:
+ ;
+ }
+
+ /*
+ * If it's a reply (client-init is _not_ set, but seq is one)
+ * then look it up in the cache. If we find it, call the reply
+ * printing functions Note that we handle abort packets here,
+ * because printing out the return code can be useful at times.
+ */
+
+ } else if (((type == RX_PACKET_TYPE_DATA &&
+ GET_BE_U_4(rxh->seq) == 1) ||
+ type == RX_PACKET_TYPE_ABORT) &&
+ (flags & RX_CLIENT_INITIATED) == 0 &&
+ rx_cache_find(ndo, rxh, (const struct ip *) bp2,
+ sport, &opcode)) {
+
+ switch (sport) {
+ case FS_RX_PORT: /* AFS file service */
+ fs_reply_print(ndo, bp, length, opcode);
+ break;
+ case CB_RX_PORT: /* AFS callback service */
+ cb_reply_print(ndo, bp, length, opcode);
+ break;
+ case PROT_RX_PORT: /* AFS PT service */
+ prot_reply_print(ndo, bp, length, opcode);
+ break;
+ case VLDB_RX_PORT: /* AFS VLDB service */
+ vldb_reply_print(ndo, bp, length, opcode);
+ break;
+ case KAUTH_RX_PORT: /* AFS Kerberos auth service */
+ kauth_reply_print(ndo, bp, length, opcode);
+ break;
+ case VOL_RX_PORT: /* AFS Volume service */
+ vol_reply_print(ndo, bp, length, opcode);
+ break;
+ case BOS_RX_PORT: /* AFS BOS service */
+ bos_reply_print(ndo, bp, length, opcode);
+ break;
+ default:
+ ;
+ }
+
+ /*
+ * If it's an RX ack packet, then use the appropriate ack decoding
+ * function (there isn't any service-specific information in the
+ * ack packet, so we can use one for all AFS services)
+ */
+
+ } else if (type == RX_PACKET_TYPE_ACK)
+ rx_ack_print(ndo, bp, length);
+
+
+ ND_PRINT(" (%u)", length);
+}
+
+/*
+ * Insert an entry into the cache. Taken from print-nfs.c
+ */
+
+static void
+rx_cache_insert(netdissect_options *ndo,
+ const u_char *bp, const struct ip *ip, uint16_t dport)
+{
+ struct rx_cache_entry *rxent;
+ const struct rx_header *rxh = (const struct rx_header *) bp;
+
+ if (!ND_TTEST_4(bp + sizeof(struct rx_header)))
+ return;
+
+ rxent = &rx_cache[rx_cache_next];
+
+ if (++rx_cache_next >= RX_CACHE_SIZE)
+ rx_cache_next = 0;
+
+ rxent->callnum = GET_BE_U_4(rxh->callNumber);
+ rxent->client = GET_IPV4_TO_NETWORK_ORDER(ip->ip_src);
+ rxent->server = GET_IPV4_TO_NETWORK_ORDER(ip->ip_dst);
+ rxent->dport = dport;
+ rxent->serviceId = GET_BE_U_2(rxh->serviceId);
+ rxent->opcode = GET_BE_U_4(bp + sizeof(struct rx_header));
+}
+
+/*
+ * Lookup an entry in the cache. Also taken from print-nfs.c
+ *
+ * Note that because this is a reply, we're looking at the _source_
+ * port.
+ */
+
+static int
+rx_cache_find(netdissect_options *ndo, const struct rx_header *rxh,
+ const struct ip *ip, uint16_t sport, uint32_t *opcode)
+{
+ uint32_t i;
+ struct rx_cache_entry *rxent;
+ uint32_t clip;
+ uint32_t sip;
+
+ clip = GET_IPV4_TO_NETWORK_ORDER(ip->ip_dst);
+ sip = GET_IPV4_TO_NETWORK_ORDER(ip->ip_src);
+
+ /* Start the search where we last left off */
+
+ i = rx_cache_hint;
+ do {
+ rxent = &rx_cache[i];
+ if (rxent->callnum == GET_BE_U_4(rxh->callNumber) &&
+ rxent->client == clip &&
+ rxent->server == sip &&
+ rxent->serviceId == GET_BE_U_2(rxh->serviceId) &&
+ rxent->dport == sport) {
+
+ /* We got a match! */
+
+ rx_cache_hint = i;
+ *opcode = rxent->opcode;
+ return(1);
+ }
+ if (++i >= RX_CACHE_SIZE)
+ i = 0;
+ } while (i != rx_cache_hint);
+
+ /* Our search failed */
+ return(0);
+}
+
+/*
+ * These extremely grody macros handle the printing of various AFS stuff.
+ */
+
+#define FIDOUT() { uint32_t n1, n2, n3; \
+ ND_TCHECK_LEN(bp, sizeof(uint32_t) * 3); \
+ n1 = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ n2 = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ n3 = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT(" fid %u/%u/%u", n1, n2, n3); \
+ }
+
+#define STROUT(MAX) { uint32_t _i; \
+ _i = GET_BE_U_4(bp); \
+ if (_i > (MAX)) \
+ goto trunc; \
+ bp += sizeof(uint32_t); \
+ ND_PRINT(" \""); \
+ if (nd_printn(ndo, bp, _i, ndo->ndo_snapend)) \
+ goto trunc; \
+ ND_PRINT("\""); \
+ bp += ((_i + sizeof(uint32_t) - 1) / sizeof(uint32_t)) * sizeof(uint32_t); \
+ }
+
+#define INTOUT() { int32_t _i; \
+ _i = GET_BE_S_4(bp); \
+ bp += sizeof(int32_t); \
+ ND_PRINT(" %d", _i); \
+ }
+
+#define UINTOUT() { uint32_t _i; \
+ _i = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT(" %u", _i); \
+ }
+
+#define UINT64OUT() { uint64_t _i; \
+ _i = GET_BE_U_8(bp); \
+ bp += sizeof(uint64_t); \
+ ND_PRINT(" %" PRIu64, _i); \
+ }
+
+#define DATEOUT() { time_t _t; struct tm *tm; char str[256]; \
+ _t = (time_t) GET_BE_S_4(bp); \
+ bp += sizeof(int32_t); \
+ tm = localtime(&_t); \
+ strftime(str, 256, "%Y/%m/%d %H:%M:%S", tm); \
+ ND_PRINT(" %s", str); \
+ }
+
+#define STOREATTROUT() { uint32_t mask, _i; \
+ ND_TCHECK_LEN(bp, (sizeof(uint32_t) * 6)); \
+ mask = GET_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask) ND_PRINT(" StoreStatus"); \
+ if (mask & 1) { ND_PRINT(" date"); DATEOUT(); } \
+ else bp += sizeof(uint32_t); \
+ _i = GET_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask & 2) ND_PRINT(" owner %u", _i); \
+ _i = GET_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask & 4) ND_PRINT(" group %u", _i); \
+ _i = GET_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask & 8) ND_PRINT(" mode %o", _i & 07777); \
+ _i = GET_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask & 16) ND_PRINT(" segsize %u", _i); \
+ /* undocumented in 3.3 docu */ \
+ if (mask & 1024) ND_PRINT(" fsync"); \
+ }
+
+#define UBIK_VERSIONOUT() {uint32_t epoch; uint32_t counter; \
+ ND_TCHECK_LEN(bp, sizeof(uint32_t) * 2); \
+ epoch = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ counter = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT(" %u.%u", epoch, counter); \
+ }
+
+#define AFSUUIDOUT() {uint32_t temp; int _i; \
+ ND_TCHECK_LEN(bp, 11 * sizeof(uint32_t)); \
+ temp = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT(" %08x", temp); \
+ temp = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT("%04x", temp); \
+ temp = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT("%04x", temp); \
+ for (_i = 0; _i < 8; _i++) { \
+ temp = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT("%02x", (unsigned char) temp); \
+ } \
+ }
+
+/*
+ * This is the sickest one of all
+ * MAX is expected to be a constant here
+ */
+
+#define VECOUT(MAX) { u_char *sp; \
+ u_char s[(MAX) + 1]; \
+ uint32_t k; \
+ ND_TCHECK_LEN(bp, (MAX) * sizeof(uint32_t)); \
+ sp = s; \
+ for (k = 0; k < (MAX); k++) { \
+ *sp++ = (u_char) GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ } \
+ s[(MAX)] = '\0'; \
+ ND_PRINT(" \""); \
+ fn_print_str(ndo, s); \
+ ND_PRINT("\""); \
+ }
+
+#define DESTSERVEROUT() { uint32_t n1, n2, n3; \
+ ND_TCHECK_LEN(bp, sizeof(uint32_t) * 3); \
+ n1 = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ n2 = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ n3 = GET_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT(" server %u:%u:%u", n1, n2, n3); \
+ }
+
+/*
+ * Handle calls to the AFS file service (fs)
+ */
+
+static void
+fs_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
+{
+ uint32_t fs_op;
+ uint32_t i;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from fsint/afsint.xg
+ */
+
+ fs_op = GET_BE_U_4(bp + sizeof(struct rx_header));
+
+ ND_PRINT(" fs call %s", tok2str(fs_req, "op#%u", fs_op));
+
+ /*
+ * Print out arguments to some of the AFS calls. This stuff is
+ * all from afsint.xg
+ */
+
+ bp += sizeof(struct rx_header) + 4;
+
+ /*
+ * Sigh. This is gross. Ritchie forgive me.
+ */
+
+ switch (fs_op) {
+ case 130: /* Fetch data */
+ FIDOUT();
+ ND_PRINT(" offset");
+ UINTOUT();
+ ND_PRINT(" length");
+ UINTOUT();
+ break;
+ case 131: /* Fetch ACL */
+ case 132: /* Fetch Status */
+ case 143: /* Old set lock */
+ case 144: /* Old extend lock */
+ case 145: /* Old release lock */
+ case 156: /* Set lock */
+ case 157: /* Extend lock */
+ case 158: /* Release lock */
+ FIDOUT();
+ break;
+ case 135: /* Store status */
+ FIDOUT();
+ STOREATTROUT();
+ break;
+ case 133: /* Store data */
+ FIDOUT();
+ STOREATTROUT();
+ ND_PRINT(" offset");
+ UINTOUT();
+ ND_PRINT(" length");
+ UINTOUT();
+ ND_PRINT(" flen");
+ UINTOUT();
+ break;
+ case 134: /* Store ACL */
+ {
+ char a[AFSOPAQUEMAX+1];
+ FIDOUT();
+ i = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_TCHECK_LEN(bp, i);
+ i = ND_MIN(AFSOPAQUEMAX, i);
+ strncpy(a, (const char *) bp, i);
+ a[i] = '\0';
+ acl_print(ndo, (u_char *) a, (u_char *) a + i);
+ break;
+ }
+ case 137: /* Create file */
+ case 141: /* MakeDir */
+ FIDOUT();
+ STROUT(AFSNAMEMAX);
+ STOREATTROUT();
+ break;
+ case 136: /* Remove file */
+ case 142: /* Remove directory */
+ FIDOUT();
+ STROUT(AFSNAMEMAX);
+ break;
+ case 138: /* Rename file */
+ ND_PRINT(" old");
+ FIDOUT();
+ STROUT(AFSNAMEMAX);
+ ND_PRINT(" new");
+ FIDOUT();
+ STROUT(AFSNAMEMAX);
+ break;
+ case 139: /* Symlink */
+ FIDOUT();
+ STROUT(AFSNAMEMAX);
+ ND_PRINT(" link to");
+ STROUT(AFSNAMEMAX);
+ break;
+ case 140: /* Link */
+ FIDOUT();
+ STROUT(AFSNAMEMAX);
+ ND_PRINT(" link to");
+ FIDOUT();
+ break;
+ case 148: /* Get volume info */
+ STROUT(AFSNAMEMAX);
+ break;
+ case 149: /* Get volume stats */
+ case 150: /* Set volume stats */
+ ND_PRINT(" volid");
+ UINTOUT();
+ break;
+ case 154: /* New get volume info */
+ ND_PRINT(" volname");
+ STROUT(AFSNAMEMAX);
+ break;
+ case 155: /* Bulk stat */
+ case 65536: /* Inline bulk stat */
+ {
+ uint32_t j;
+ j = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+
+ for (i = 0; i < j; i++) {
+ FIDOUT();
+ if (i != j - 1)
+ ND_PRINT(",");
+ }
+ if (j == 0)
+ ND_PRINT(" <none!>");
+ break;
+ }
+ case 65537: /* Fetch data 64 */
+ FIDOUT();
+ ND_PRINT(" offset");
+ UINT64OUT();
+ ND_PRINT(" length");
+ UINT64OUT();
+ break;
+ case 65538: /* Store data 64 */
+ FIDOUT();
+ STOREATTROUT();
+ ND_PRINT(" offset");
+ UINT64OUT();
+ ND_PRINT(" length");
+ UINT64OUT();
+ ND_PRINT(" flen");
+ UINT64OUT();
+ break;
+ case 65541: /* CallBack rx conn address */
+ ND_PRINT(" addr");
+ UINTOUT();
+ default:
+ ;
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|fs]");
+}
+
+/*
+ * Handle replies to the AFS file service
+ */
+
+static void
+fs_reply_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, uint32_t opcode)
+{
+ uint32_t i;
+ const struct rx_header *rxh;
+ uint8_t type;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ rxh = (const struct rx_header *) bp;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from fsint/afsint.xg
+ */
+
+ ND_PRINT(" fs reply %s", tok2str(fs_req, "op#%u", opcode));
+
+ type = GET_U_1(rxh->type);
+ bp += sizeof(struct rx_header);
+
+ /*
+ * If it was a data packet, interpret the response
+ */
+
+ if (type == RX_PACKET_TYPE_DATA) {
+ switch (opcode) {
+ case 131: /* Fetch ACL */
+ {
+ char a[AFSOPAQUEMAX+1];
+ i = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_TCHECK_LEN(bp, i);
+ i = ND_MIN(AFSOPAQUEMAX, i);
+ strncpy(a, (const char *) bp, i);
+ a[i] = '\0';
+ acl_print(ndo, (u_char *) a, (u_char *) a + i);
+ break;
+ }
+ case 137: /* Create file */
+ case 141: /* MakeDir */
+ ND_PRINT(" new");
+ FIDOUT();
+ break;
+ case 151: /* Get root volume */
+ ND_PRINT(" root volume");
+ STROUT(AFSNAMEMAX);
+ break;
+ case 153: /* Get time */
+ DATEOUT();
+ break;
+ default:
+ ;
+ }
+ } else if (type == RX_PACKET_TYPE_ABORT) {
+ /*
+ * Otherwise, just print out the return code
+ */
+ int32_t errcode;
+
+ errcode = GET_BE_S_4(bp);
+ bp += sizeof(int32_t);
+
+ ND_PRINT(" error %s", tok2str(afs_fs_errors, "#%d", errcode));
+ } else {
+ ND_PRINT(" strange fs reply of type %u", type);
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|fs]");
+}
+
+/*
+ * Print out an AFS ACL string. An AFS ACL is a string that has the
+ * following format:
+ *
+ * <positive> <negative>
+ * <uid1> <aclbits1>
+ * ....
+ *
+ * "positive" and "negative" are integers which contain the number of
+ * positive and negative ACL's in the string. The uid/aclbits pair are
+ * ASCII strings containing the UID/PTS record and an ASCII number
+ * representing a logical OR of all the ACL permission bits
+ */
+
+#define XSTRINGIFY(x) #x
+#define NUMSTRINGIFY(x) XSTRINGIFY(x)
+
+static void
+acl_print(netdissect_options *ndo,
+ u_char *s, const u_char *end)
+{
+ int pos, neg, acl;
+ int n, i;
+ char user[USERNAMEMAX+1];
+
+ if (sscanf((char *) s, "%d %d\n%n", &pos, &neg, &n) != 2)
+ return;
+
+ s += n;
+
+ if (s > end)
+ return;
+
+ /*
+ * This wacky order preserves the order used by the "fs" command
+ */
+
+#define ACLOUT(acl) \
+ ND_PRINT("%s%s%s%s%s%s%s", \
+ acl & PRSFS_READ ? "r" : "", \
+ acl & PRSFS_LOOKUP ? "l" : "", \
+ acl & PRSFS_INSERT ? "i" : "", \
+ acl & PRSFS_DELETE ? "d" : "", \
+ acl & PRSFS_WRITE ? "w" : "", \
+ acl & PRSFS_LOCK ? "k" : "", \
+ acl & PRSFS_ADMINISTER ? "a" : "");
+
+ for (i = 0; i < pos; i++) {
+ if (sscanf((char *) s, "%" NUMSTRINGIFY(USERNAMEMAX) "s %d\n%n", user, &acl, &n) != 2)
+ return;
+ s += n;
+ ND_PRINT(" +{");
+ fn_print_str(ndo, (u_char *)user);
+ ND_PRINT(" ");
+ ACLOUT(acl);
+ ND_PRINT("}");
+ if (s > end)
+ return;
+ }
+
+ for (i = 0; i < neg; i++) {
+ if (sscanf((char *) s, "%" NUMSTRINGIFY(USERNAMEMAX) "s %d\n%n", user, &acl, &n) != 2)
+ return;
+ s += n;
+ ND_PRINT(" -{");
+ fn_print_str(ndo, (u_char *)user);
+ ND_PRINT(" ");
+ ACLOUT(acl);
+ ND_PRINT("}");
+ if (s > end)
+ return;
+ }
+}
+
+#undef ACLOUT
+
+/*
+ * Handle calls to the AFS callback service
+ */
+
+static void
+cb_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
+{
+ uint32_t cb_op;
+ uint32_t i;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from fsint/afscbint.xg
+ */
+
+ cb_op = GET_BE_U_4(bp + sizeof(struct rx_header));
+
+ ND_PRINT(" cb call %s", tok2str(cb_req, "op#%u", cb_op));
+
+ bp += sizeof(struct rx_header) + 4;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from fsint/afscbint.xg
+ */
+
+ switch (cb_op) {
+ case 204: /* Callback */
+ {
+ uint32_t j, t;
+ j = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+
+ for (i = 0; i < j; i++) {
+ FIDOUT();
+ if (i != j - 1)
+ ND_PRINT(",");
+ }
+
+ if (j == 0)
+ ND_PRINT(" <none!>");
+
+ j = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+
+ if (j != 0)
+ ND_PRINT(";");
+
+ for (i = 0; i < j; i++) {
+ ND_PRINT(" ver");
+ INTOUT();
+ ND_PRINT(" expires");
+ DATEOUT();
+ t = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ tok2str(cb_types, "type %u", t);
+ }
+ break;
+ }
+ case 214: {
+ ND_PRINT(" afsuuid");
+ AFSUUIDOUT();
+ break;
+ }
+ default:
+ ;
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|cb]");
+}
+
+/*
+ * Handle replies to the AFS Callback Service
+ */
+
+static void
+cb_reply_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, uint32_t opcode)
+{
+ const struct rx_header *rxh;
+ uint8_t type;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ rxh = (const struct rx_header *) bp;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from fsint/afscbint.xg
+ */
+
+ ND_PRINT(" cb reply %s", tok2str(cb_req, "op#%u", opcode));
+
+ type = GET_U_1(rxh->type);
+ bp += sizeof(struct rx_header);
+
+ /*
+ * If it was a data packet, interpret the response.
+ */
+
+ if (type == RX_PACKET_TYPE_DATA)
+ switch (opcode) {
+ case 213: /* InitCallBackState3 */
+ AFSUUIDOUT();
+ break;
+ default:
+ ;
+ }
+ else {
+ /*
+ * Otherwise, just print out the return code
+ */
+ ND_PRINT(" errcode");
+ INTOUT();
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|cb]");
+}
+
+/*
+ * Handle calls to the AFS protection database server
+ */
+
+static void
+prot_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
+{
+ uint32_t i;
+ uint32_t pt_op;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from ptserver/ptint.xg
+ */
+
+ pt_op = GET_BE_U_4(bp + sizeof(struct rx_header));
+
+ ND_PRINT(" pt");
+
+ if (is_ubik(pt_op)) {
+ ubik_print(ndo, bp);
+ return;
+ }
+
+ ND_PRINT(" call %s", tok2str(pt_req, "op#%u", pt_op));
+
+ /*
+ * Decode some of the arguments to the PT calls
+ */
+
+ bp += sizeof(struct rx_header) + 4;
+
+ switch (pt_op) {
+ case 500: /* I New User */
+ STROUT(PRNAMEMAX);
+ ND_PRINT(" id");
+ INTOUT();
+ ND_PRINT(" oldid");
+ INTOUT();
+ break;
+ case 501: /* Where is it */
+ case 506: /* Delete */
+ case 508: /* Get CPS */
+ case 512: /* List entry */
+ case 514: /* List elements */
+ case 517: /* List owned */
+ case 518: /* Get CPS2 */
+ case 519: /* Get host CPS */
+ case 530: /* List super groups */
+ ND_PRINT(" id");
+ INTOUT();
+ break;
+ case 502: /* Dump entry */
+ ND_PRINT(" pos");
+ INTOUT();
+ break;
+ case 503: /* Add to group */
+ case 507: /* Remove from group */
+ case 515: /* Is a member of? */
+ ND_PRINT(" uid");
+ INTOUT();
+ ND_PRINT(" gid");
+ INTOUT();
+ break;
+ case 504: /* Name to ID */
+ {
+ uint32_t j;
+ j = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+
+ /*
+ * Who designed this chicken-shit protocol?
+ *
+ * Each character is stored as a 32-bit
+ * integer!
+ */
+
+ for (i = 0; i < j; i++) {
+ VECOUT(PRNAMEMAX);
+ }
+ if (j == 0)
+ ND_PRINT(" <none!>");
+ }
+ break;
+ case 505: /* Id to name */
+ {
+ uint32_t j;
+ ND_PRINT(" ids:");
+ i = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ for (j = 0; j < i; j++)
+ INTOUT();
+ if (j == 0)
+ ND_PRINT(" <none!>");
+ }
+ break;
+ case 509: /* New entry */
+ STROUT(PRNAMEMAX);
+ ND_PRINT(" flag");
+ INTOUT();
+ ND_PRINT(" oid");
+ INTOUT();
+ break;
+ case 511: /* Set max */
+ ND_PRINT(" id");
+ INTOUT();
+ ND_PRINT(" gflag");
+ INTOUT();
+ break;
+ case 513: /* Change entry */
+ ND_PRINT(" id");
+ INTOUT();
+ STROUT(PRNAMEMAX);
+ ND_PRINT(" oldid");
+ INTOUT();
+ ND_PRINT(" newid");
+ INTOUT();
+ break;
+ case 520: /* Update entry */
+ ND_PRINT(" id");
+ INTOUT();
+ STROUT(PRNAMEMAX);
+ break;
+ default:
+ ;
+ }
+
+
+ return;
+
+trunc:
+ ND_PRINT(" [|pt]");
+}
+
+/*
+ * Handle replies to the AFS protection service
+ */
+
+static void
+prot_reply_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, uint32_t opcode)
+{
+ const struct rx_header *rxh;
+ uint8_t type;
+ uint32_t i;
+
+ if (length < sizeof(struct rx_header))
+ return;
+
+ rxh = (const struct rx_header *) bp;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from ptserver/ptint.xg. Check to see if it's a
+ * Ubik call, however.
+ */
+
+ ND_PRINT(" pt");
+
+ if (is_ubik(opcode)) {
+ ubik_reply_print(ndo, bp, length, opcode);
+ return;
+ }
+
+ ND_PRINT(" reply %s", tok2str(pt_req, "op#%u", opcode));
+
+ type = GET_U_1(rxh->type);
+ bp += sizeof(struct rx_header);
+
+ /*
+ * If it was a data packet, interpret the response
+ */
+
+ if (type == RX_PACKET_TYPE_DATA)
+ switch (opcode) {
+ case 504: /* Name to ID */
+ {
+ uint32_t j;
+ ND_PRINT(" ids:");
+ i = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ for (j = 0; j < i; j++)
+ INTOUT();
+ if (j == 0)
+ ND_PRINT(" <none!>");
+ }
+ break;
+ case 505: /* ID to name */
+ {
+ uint32_t j;
+ j = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+
+ /*
+ * Who designed this chicken-shit protocol?
+ *
+ * Each character is stored as a 32-bit
+ * integer!
+ */
+
+ for (i = 0; i < j; i++) {
+ VECOUT(PRNAMEMAX);
+ }
+ if (j == 0)
+ ND_PRINT(" <none!>");
+ }
+ break;
+ case 508: /* Get CPS */
+ case 514: /* List elements */
+ case 517: /* List owned */
+ case 518: /* Get CPS2 */
+ case 519: /* Get host CPS */
+ {
+ uint32_t j;
+ j = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ for (i = 0; i < j; i++) {
+ INTOUT();
+ }
+ if (j == 0)
+ ND_PRINT(" <none!>");
+ }
+ break;
+ case 510: /* List max */
+ ND_PRINT(" maxuid");
+ INTOUT();
+ ND_PRINT(" maxgid");
+ INTOUT();
+ break;
+ default:
+ ;
+ }
+ else {
+ /*
+ * Otherwise, just print out the return code
+ */
+ ND_PRINT(" errcode");
+ INTOUT();
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|pt]");
+}
+
+/*
+ * Handle calls to the AFS volume location database service
+ */
+
+static void
+vldb_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
+{
+ uint32_t vldb_op;
+ uint32_t i;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from vlserver/vldbint.xg
+ */
+
+ vldb_op = GET_BE_U_4(bp + sizeof(struct rx_header));
+
+ ND_PRINT(" vldb");
+
+ if (is_ubik(vldb_op)) {
+ ubik_print(ndo, bp);
+ return;
+ }
+ ND_PRINT(" call %s", tok2str(vldb_req, "op#%u", vldb_op));
+
+ /*
+ * Decode some of the arguments to the VLDB calls
+ */
+
+ bp += sizeof(struct rx_header) + 4;
+
+ switch (vldb_op) {
+ case 501: /* Create new volume */
+ case 517: /* Create entry N */
+ VECOUT(VLNAMEMAX);
+ break;
+ case 502: /* Delete entry */
+ case 503: /* Get entry by ID */
+ case 507: /* Update entry */
+ case 508: /* Set lock */
+ case 509: /* Release lock */
+ case 518: /* Get entry by ID N */
+ ND_PRINT(" volid");
+ INTOUT();
+ i = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ if (i <= 2)
+ ND_PRINT(" type %s", voltype[i]);
+ break;
+ case 504: /* Get entry by name */
+ case 519: /* Get entry by name N */
+ case 524: /* Update entry by name */
+ case 527: /* Get entry by name U */
+ STROUT(VLNAMEMAX);
+ break;
+ case 505: /* Get new vol id */
+ ND_PRINT(" bump");
+ INTOUT();
+ break;
+ case 506: /* Replace entry */
+ case 520: /* Replace entry N */
+ ND_PRINT(" volid");
+ INTOUT();
+ i = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ if (i <= 2)
+ ND_PRINT(" type %s", voltype[i]);
+ VECOUT(VLNAMEMAX);
+ break;
+ case 510: /* List entry */
+ case 521: /* List entry N */
+ ND_PRINT(" index");
+ INTOUT();
+ break;
+ default:
+ ;
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|vldb]");
+}
+
+/*
+ * Handle replies to the AFS volume location database service
+ */
+
+static void
+vldb_reply_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, uint32_t opcode)
+{
+ const struct rx_header *rxh;
+ uint8_t type;
+ uint32_t i;
+
+ if (length < sizeof(struct rx_header))
+ return;
+
+ rxh = (const struct rx_header *) bp;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from vlserver/vldbint.xg. Check to see if it's a
+ * Ubik call, however.
+ */
+
+ ND_PRINT(" vldb");
+
+ if (is_ubik(opcode)) {
+ ubik_reply_print(ndo, bp, length, opcode);
+ return;
+ }
+
+ ND_PRINT(" reply %s", tok2str(vldb_req, "op#%u", opcode));
+
+ type = GET_U_1(rxh->type);
+ bp += sizeof(struct rx_header);
+
+ /*
+ * If it was a data packet, interpret the response
+ */
+
+ if (type == RX_PACKET_TYPE_DATA)
+ switch (opcode) {
+ case 510: /* List entry */
+ ND_PRINT(" count");
+ INTOUT();
+ ND_PRINT(" nextindex");
+ INTOUT();
+ ND_FALL_THROUGH;
+ case 503: /* Get entry by id */
+ case 504: /* Get entry by name */
+ { uint32_t nservers, j;
+ VECOUT(VLNAMEMAX);
+ ND_TCHECK_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT(" numservers");
+ nservers = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT(" %u", nservers);
+ ND_PRINT(" servers");
+ for (i = 0; i < 8; i++) {
+ ND_TCHECK_4(bp);
+ if (i < nservers)
+ ND_PRINT(" %s",
+ intoa(GET_IPV4_TO_NETWORK_ORDER(bp)));
+ bp += sizeof(nd_ipv4);
+ }
+ ND_PRINT(" partitions");
+ for (i = 0; i < 8; i++) {
+ j = GET_BE_U_4(bp);
+ if (i < nservers && j <= 26)
+ ND_PRINT(" %c", 'a' + j);
+ else if (i < nservers)
+ ND_PRINT(" %u", j);
+ bp += sizeof(uint32_t);
+ }
+ ND_TCHECK_LEN(bp, 8 * sizeof(uint32_t));
+ bp += 8 * sizeof(uint32_t);
+ ND_PRINT(" rwvol");
+ UINTOUT();
+ ND_PRINT(" rovol");
+ UINTOUT();
+ ND_PRINT(" backup");
+ UINTOUT();
+ }
+ break;
+ case 505: /* Get new volume ID */
+ ND_PRINT(" newvol");
+ UINTOUT();
+ break;
+ case 521: /* List entry */
+ case 529: /* List entry U */
+ ND_PRINT(" count");
+ INTOUT();
+ ND_PRINT(" nextindex");
+ INTOUT();
+ ND_FALL_THROUGH;
+ case 518: /* Get entry by ID N */
+ case 519: /* Get entry by name N */
+ { uint32_t nservers, j;
+ VECOUT(VLNAMEMAX);
+ ND_PRINT(" numservers");
+ nservers = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT(" %u", nservers);
+ ND_PRINT(" servers");
+ for (i = 0; i < 13; i++) {
+ ND_TCHECK_4(bp);
+ if (i < nservers)
+ ND_PRINT(" %s",
+ intoa(GET_IPV4_TO_NETWORK_ORDER(bp)));
+ bp += sizeof(nd_ipv4);
+ }
+ ND_PRINT(" partitions");
+ for (i = 0; i < 13; i++) {
+ j = GET_BE_U_4(bp);
+ if (i < nservers && j <= 26)
+ ND_PRINT(" %c", 'a' + j);
+ else if (i < nservers)
+ ND_PRINT(" %u", j);
+ bp += sizeof(uint32_t);
+ }
+ ND_TCHECK_LEN(bp, 13 * sizeof(uint32_t));
+ bp += 13 * sizeof(uint32_t);
+ ND_PRINT(" rwvol");
+ UINTOUT();
+ ND_PRINT(" rovol");
+ UINTOUT();
+ ND_PRINT(" backup");
+ UINTOUT();
+ }
+ break;
+ case 526: /* Get entry by ID U */
+ case 527: /* Get entry by name U */
+ { uint32_t nservers, j;
+ VECOUT(VLNAMEMAX);
+ ND_PRINT(" numservers");
+ nservers = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT(" %u", nservers);
+ ND_PRINT(" servers");
+ for (i = 0; i < 13; i++) {
+ if (i < nservers) {
+ ND_PRINT(" afsuuid");
+ AFSUUIDOUT();
+ } else {
+ ND_TCHECK_LEN(bp, 44);
+ bp += 44;
+ }
+ }
+ ND_TCHECK_LEN(bp, 4 * 13);
+ bp += 4 * 13;
+ ND_PRINT(" partitions");
+ for (i = 0; i < 13; i++) {
+ j = GET_BE_U_4(bp);
+ if (i < nservers && j <= 26)
+ ND_PRINT(" %c", 'a' + j);
+ else if (i < nservers)
+ ND_PRINT(" %u", j);
+ bp += sizeof(uint32_t);
+ }
+ ND_TCHECK_LEN(bp, 13 * sizeof(uint32_t));
+ bp += 13 * sizeof(uint32_t);
+ ND_PRINT(" rwvol");
+ UINTOUT();
+ ND_PRINT(" rovol");
+ UINTOUT();
+ ND_PRINT(" backup");
+ UINTOUT();
+ }
+ default:
+ ;
+ }
+
+ else {
+ /*
+ * Otherwise, just print out the return code
+ */
+ ND_PRINT(" errcode");
+ INTOUT();
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|vldb]");
+}
+
+/*
+ * Handle calls to the AFS Kerberos Authentication service
+ */
+
+static void
+kauth_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
+{
+ uint32_t kauth_op;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from kauth/kauth.rg
+ */
+
+ kauth_op = GET_BE_U_4(bp + sizeof(struct rx_header));
+
+ ND_PRINT(" kauth");
+
+ if (is_ubik(kauth_op)) {
+ ubik_print(ndo, bp);
+ return;
+ }
+
+
+ ND_PRINT(" call %s", tok2str(kauth_req, "op#%u", kauth_op));
+
+ /*
+ * Decode some of the arguments to the KA calls
+ */
+
+ bp += sizeof(struct rx_header) + 4;
+
+ switch (kauth_op) {
+ case 1: /* Authenticate old */
+ case 21: /* Authenticate */
+ case 22: /* Authenticate-V2 */
+ case 2: /* Change PW */
+ case 5: /* Set fields */
+ case 6: /* Create user */
+ case 7: /* Delete user */
+ case 8: /* Get entry */
+ case 14: /* Unlock */
+ case 15: /* Lock status */
+ ND_PRINT(" principal");
+ STROUT(KANAMEMAX);
+ STROUT(KANAMEMAX);
+ break;
+ case 3: /* GetTicket-old */
+ case 23: /* GetTicket */
+ {
+ uint32_t i;
+ ND_PRINT(" kvno");
+ INTOUT();
+ ND_PRINT(" domain");
+ STROUT(KANAMEMAX);
+ i = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_TCHECK_LEN(bp, i);
+ bp += i;
+ ND_PRINT(" principal");
+ STROUT(KANAMEMAX);
+ STROUT(KANAMEMAX);
+ break;
+ }
+ case 4: /* Set Password */
+ ND_PRINT(" principal");
+ STROUT(KANAMEMAX);
+ STROUT(KANAMEMAX);
+ ND_PRINT(" kvno");
+ INTOUT();
+ break;
+ case 12: /* Get password */
+ ND_PRINT(" name");
+ STROUT(KANAMEMAX);
+ break;
+ default:
+ ;
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|kauth]");
+}
+
+/*
+ * Handle replies to the AFS Kerberos Authentication Service
+ */
+
+static void
+kauth_reply_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, uint32_t opcode)
+{
+ const struct rx_header *rxh;
+ uint8_t type;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ rxh = (const struct rx_header *) bp;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from kauth/kauth.rg
+ */
+
+ ND_PRINT(" kauth");
+
+ if (is_ubik(opcode)) {
+ ubik_reply_print(ndo, bp, length, opcode);
+ return;
+ }
+
+ ND_PRINT(" reply %s", tok2str(kauth_req, "op#%u", opcode));
+
+ type = GET_U_1(rxh->type);
+ bp += sizeof(struct rx_header);
+
+ /*
+ * If it was a data packet, interpret the response.
+ */
+
+ if (type == RX_PACKET_TYPE_DATA)
+ /* Well, no, not really. Leave this for later */
+ ;
+ else {
+ /*
+ * Otherwise, just print out the return code
+ */
+ ND_PRINT(" errcode");
+ INTOUT();
+ }
+}
+
+/*
+ * Handle calls to the AFS Volume location service
+ */
+
+static void
+vol_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
+{
+ uint32_t vol_op;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from volser/volint.xg
+ */
+
+ vol_op = GET_BE_U_4(bp + sizeof(struct rx_header));
+
+ ND_PRINT(" vol call %s", tok2str(vol_req, "op#%u", vol_op));
+
+ bp += sizeof(struct rx_header) + 4;
+
+ switch (vol_op) {
+ case 100: /* Create volume */
+ ND_PRINT(" partition");
+ UINTOUT();
+ ND_PRINT(" name");
+ STROUT(AFSNAMEMAX);
+ ND_PRINT(" type");
+ UINTOUT();
+ ND_PRINT(" parent");
+ UINTOUT();
+ break;
+ case 101: /* Delete volume */
+ case 107: /* Get flags */
+ ND_PRINT(" trans");
+ UINTOUT();
+ break;
+ case 102: /* Restore */
+ ND_PRINT(" totrans");
+ UINTOUT();
+ ND_PRINT(" flags");
+ UINTOUT();
+ break;
+ case 103: /* Forward */
+ ND_PRINT(" fromtrans");
+ UINTOUT();
+ ND_PRINT(" fromdate");
+ DATEOUT();
+ DESTSERVEROUT();
+ ND_PRINT(" desttrans");
+ INTOUT();
+ break;
+ case 104: /* End trans */
+ ND_PRINT(" trans");
+ UINTOUT();
+ break;
+ case 105: /* Clone */
+ ND_PRINT(" trans");
+ UINTOUT();
+ ND_PRINT(" purgevol");
+ UINTOUT();
+ ND_PRINT(" newtype");
+ UINTOUT();
+ ND_PRINT(" newname");
+ STROUT(AFSNAMEMAX);
+ break;
+ case 106: /* Set flags */
+ ND_PRINT(" trans");
+ UINTOUT();
+ ND_PRINT(" flags");
+ UINTOUT();
+ break;
+ case 108: /* Trans create */
+ ND_PRINT(" vol");
+ UINTOUT();
+ ND_PRINT(" partition");
+ UINTOUT();
+ ND_PRINT(" flags");
+ UINTOUT();
+ break;
+ case 109: /* Dump */
+ case 655537: /* Get size */
+ ND_PRINT(" fromtrans");
+ UINTOUT();
+ ND_PRINT(" fromdate");
+ DATEOUT();
+ break;
+ case 110: /* Get n-th volume */
+ ND_PRINT(" index");
+ UINTOUT();
+ break;
+ case 111: /* Set forwarding */
+ ND_PRINT(" tid");
+ UINTOUT();
+ ND_PRINT(" newsite");
+ UINTOUT();
+ break;
+ case 112: /* Get name */
+ case 113: /* Get status */
+ ND_PRINT(" tid");
+ break;
+ case 114: /* Signal restore */
+ ND_PRINT(" name");
+ STROUT(AFSNAMEMAX);
+ ND_PRINT(" type");
+ UINTOUT();
+ ND_PRINT(" pid");
+ UINTOUT();
+ ND_PRINT(" cloneid");
+ UINTOUT();
+ break;
+ case 116: /* List volumes */
+ ND_PRINT(" partition");
+ UINTOUT();
+ ND_PRINT(" flags");
+ UINTOUT();
+ break;
+ case 117: /* Set id types */
+ ND_PRINT(" tid");
+ UINTOUT();
+ ND_PRINT(" name");
+ STROUT(AFSNAMEMAX);
+ ND_PRINT(" type");
+ UINTOUT();
+ ND_PRINT(" pid");
+ UINTOUT();
+ ND_PRINT(" clone");
+ UINTOUT();
+ ND_PRINT(" backup");
+ UINTOUT();
+ break;
+ case 119: /* Partition info */
+ ND_PRINT(" name");
+ STROUT(AFSNAMEMAX);
+ break;
+ case 120: /* Reclone */
+ ND_PRINT(" tid");
+ UINTOUT();
+ break;
+ case 121: /* List one volume */
+ case 122: /* Nuke volume */
+ case 124: /* Extended List volumes */
+ case 125: /* Extended List one volume */
+ case 65536: /* Convert RO to RW volume */
+ ND_PRINT(" partid");
+ UINTOUT();
+ ND_PRINT(" volid");
+ UINTOUT();
+ break;
+ case 123: /* Set date */
+ ND_PRINT(" tid");
+ UINTOUT();
+ ND_PRINT(" date");
+ DATEOUT();
+ break;
+ case 126: /* Set info */
+ ND_PRINT(" tid");
+ UINTOUT();
+ break;
+ case 128: /* Forward multiple */
+ ND_PRINT(" fromtrans");
+ UINTOUT();
+ ND_PRINT(" fromdate");
+ DATEOUT();
+ {
+ uint32_t i, j;
+ j = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ for (i = 0; i < j; i++) {
+ DESTSERVEROUT();
+ if (i != j - 1)
+ ND_PRINT(",");
+ }
+ if (j == 0)
+ ND_PRINT(" <none!>");
+ }
+ break;
+ case 65538: /* Dump version 2 */
+ ND_PRINT(" fromtrans");
+ UINTOUT();
+ ND_PRINT(" fromdate");
+ DATEOUT();
+ ND_PRINT(" flags");
+ UINTOUT();
+ break;
+ default:
+ ;
+ }
+ return;
+
+trunc:
+ ND_PRINT(" [|vol]");
+}
+
+/*
+ * Handle replies to the AFS Volume Service
+ */
+
+static void
+vol_reply_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, uint32_t opcode)
+{
+ const struct rx_header *rxh;
+ uint8_t type;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ rxh = (const struct rx_header *) bp;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from volser/volint.xg
+ */
+
+ ND_PRINT(" vol reply %s", tok2str(vol_req, "op#%u", opcode));
+
+ type = GET_U_1(rxh->type);
+ bp += sizeof(struct rx_header);
+
+ /*
+ * If it was a data packet, interpret the response.
+ */
+
+ if (type == RX_PACKET_TYPE_DATA) {
+ switch (opcode) {
+ case 100: /* Create volume */
+ ND_PRINT(" volid");
+ UINTOUT();
+ ND_PRINT(" trans");
+ UINTOUT();
+ break;
+ case 104: /* End transaction */
+ UINTOUT();
+ break;
+ case 105: /* Clone */
+ ND_PRINT(" newvol");
+ UINTOUT();
+ break;
+ case 107: /* Get flags */
+ UINTOUT();
+ break;
+ case 108: /* Transaction create */
+ ND_PRINT(" trans");
+ UINTOUT();
+ break;
+ case 110: /* Get n-th volume */
+ ND_PRINT(" volume");
+ UINTOUT();
+ ND_PRINT(" partition");
+ UINTOUT();
+ break;
+ case 112: /* Get name */
+ STROUT(AFSNAMEMAX);
+ break;
+ case 113: /* Get status */
+ ND_PRINT(" volid");
+ UINTOUT();
+ ND_PRINT(" nextuniq");
+ UINTOUT();
+ ND_PRINT(" type");
+ UINTOUT();
+ ND_PRINT(" parentid");
+ UINTOUT();
+ ND_PRINT(" clone");
+ UINTOUT();
+ ND_PRINT(" backup");
+ UINTOUT();
+ ND_PRINT(" restore");
+ UINTOUT();
+ ND_PRINT(" maxquota");
+ UINTOUT();
+ ND_PRINT(" minquota");
+ UINTOUT();
+ ND_PRINT(" owner");
+ UINTOUT();
+ ND_PRINT(" create");
+ DATEOUT();
+ ND_PRINT(" access");
+ DATEOUT();
+ ND_PRINT(" update");
+ DATEOUT();
+ ND_PRINT(" expire");
+ DATEOUT();
+ ND_PRINT(" backup");
+ DATEOUT();
+ ND_PRINT(" copy");
+ DATEOUT();
+ break;
+ case 115: /* Old list partitions */
+ break;
+ case 116: /* List volumes */
+ case 121: /* List one volume */
+ {
+ uint32_t i, j;
+ j = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ for (i = 0; i < j; i++) {
+ ND_PRINT(" name");
+ VECOUT(32);
+ ND_PRINT(" volid");
+ UINTOUT();
+ ND_PRINT(" type");
+ bp += sizeof(uint32_t) * 21;
+ if (i != j - 1)
+ ND_PRINT(",");
+ }
+ if (j == 0)
+ ND_PRINT(" <none!>");
+ }
+ break;
+
+
+ default:
+ ;
+ }
+ } else {
+ /*
+ * Otherwise, just print out the return code
+ */
+ ND_PRINT(" errcode");
+ INTOUT();
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|vol]");
+}
+
+/*
+ * Handle calls to the AFS BOS service
+ */
+
+static void
+bos_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
+{
+ uint32_t bos_op;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from bozo/bosint.xg
+ */
+
+ bos_op = GET_BE_U_4(bp + sizeof(struct rx_header));
+
+ ND_PRINT(" bos call %s", tok2str(bos_req, "op#%u", bos_op));
+
+ /*
+ * Decode some of the arguments to the BOS calls
+ */
+
+ bp += sizeof(struct rx_header) + 4;
+
+ switch (bos_op) {
+ case 80: /* Create B node */
+ ND_PRINT(" type");
+ STROUT(BOSNAMEMAX);
+ ND_PRINT(" instance");
+ STROUT(BOSNAMEMAX);
+ break;
+ case 81: /* Delete B node */
+ case 83: /* Get status */
+ case 85: /* Get instance info */
+ case 87: /* Add super user */
+ case 88: /* Delete super user */
+ case 93: /* Set cell name */
+ case 96: /* Add cell host */
+ case 97: /* Delete cell host */
+ case 104: /* Restart */
+ case 106: /* Uninstall */
+ case 108: /* Exec */
+ case 112: /* Getlog */
+ case 114: /* Get instance strings */
+ STROUT(BOSNAMEMAX);
+ break;
+ case 82: /* Set status */
+ case 98: /* Set T status */
+ STROUT(BOSNAMEMAX);
+ ND_PRINT(" status");
+ INTOUT();
+ break;
+ case 86: /* Get instance parm */
+ STROUT(BOSNAMEMAX);
+ ND_PRINT(" num");
+ INTOUT();
+ break;
+ case 84: /* Enumerate instance */
+ case 89: /* List super users */
+ case 90: /* List keys */
+ case 91: /* Add key */
+ case 92: /* Delete key */
+ case 95: /* Get cell host */
+ INTOUT();
+ break;
+ case 105: /* Install */
+ STROUT(BOSNAMEMAX);
+ ND_PRINT(" size");
+ INTOUT();
+ ND_PRINT(" flags");
+ INTOUT();
+ ND_PRINT(" date");
+ INTOUT();
+ break;
+ default:
+ ;
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|bos]");
+}
+
+/*
+ * Handle replies to the AFS BOS Service
+ */
+
+static void
+bos_reply_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, uint32_t opcode)
+{
+ const struct rx_header *rxh;
+ uint8_t type;
+
+ if (length <= sizeof(struct rx_header))
+ return;
+
+ rxh = (const struct rx_header *) bp;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from volser/volint.xg
+ */
+
+ ND_PRINT(" bos reply %s", tok2str(bos_req, "op#%u", opcode));
+
+ type = GET_U_1(rxh->type);
+ bp += sizeof(struct rx_header);
+
+ /*
+ * If it was a data packet, interpret the response.
+ */
+
+ if (type == RX_PACKET_TYPE_DATA)
+ /* Well, no, not really. Leave this for later */
+ ;
+ else {
+ /*
+ * Otherwise, just print out the return code
+ */
+ ND_PRINT(" errcode");
+ INTOUT();
+ }
+}
+
+/*
+ * Check to see if this is a Ubik opcode.
+ */
+
+static int
+is_ubik(uint32_t opcode)
+{
+ if ((opcode >= VOTE_LOW && opcode <= VOTE_HIGH) ||
+ (opcode >= DISK_LOW && opcode <= DISK_HIGH))
+ return(1);
+ else
+ return(0);
+}
+
+/*
+ * Handle Ubik opcodes to any one of the replicated database services
+ */
+
+static void
+ubik_print(netdissect_options *ndo,
+ const u_char *bp)
+{
+ uint32_t ubik_op;
+ uint32_t temp;
+
+ /*
+ * Print out the afs call we're invoking. The table used here was
+ * gleaned from ubik/ubik_int.xg
+ */
+
+ /* Every function that calls this function first makes a bounds check
+ * for (sizeof(rx_header) + 4) bytes, so long as it remains this way
+ * the line below will not over-read.
+ */
+ ubik_op = GET_BE_U_4(bp + sizeof(struct rx_header));
+
+ ND_PRINT(" ubik call %s", tok2str(ubik_req, "op#%u", ubik_op));
+
+ /*
+ * Decode some of the arguments to the Ubik calls
+ */
+
+ bp += sizeof(struct rx_header) + 4;
+
+ switch (ubik_op) {
+ case 10000: /* Beacon */
+ temp = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT(" syncsite %s", temp ? "yes" : "no");
+ ND_PRINT(" votestart");
+ DATEOUT();
+ ND_PRINT(" dbversion");
+ UBIK_VERSIONOUT();
+ ND_PRINT(" tid");
+ UBIK_VERSIONOUT();
+ break;
+ case 10003: /* Get sync site */
+ ND_PRINT(" site");
+ UINTOUT();
+ break;
+ case 20000: /* Begin */
+ case 20001: /* Commit */
+ case 20007: /* Abort */
+ case 20008: /* Release locks */
+ case 20010: /* Writev */
+ ND_PRINT(" tid");
+ UBIK_VERSIONOUT();
+ break;
+ case 20002: /* Lock */
+ ND_PRINT(" tid");
+ UBIK_VERSIONOUT();
+ ND_PRINT(" file");
+ INTOUT();
+ ND_PRINT(" pos");
+ INTOUT();
+ ND_PRINT(" length");
+ INTOUT();
+ temp = GET_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ tok2str(ubik_lock_types, "type %u", temp);
+ break;
+ case 20003: /* Write */
+ ND_PRINT(" tid");
+ UBIK_VERSIONOUT();
+ ND_PRINT(" file");
+ INTOUT();
+ ND_PRINT(" pos");
+ INTOUT();
+ break;
+ case 20005: /* Get file */
+ ND_PRINT(" file");
+ INTOUT();
+ break;
+ case 20006: /* Send file */
+ ND_PRINT(" file");
+ INTOUT();
+ ND_PRINT(" length");
+ INTOUT();
+ ND_PRINT(" dbversion");
+ UBIK_VERSIONOUT();
+ break;
+ case 20009: /* Truncate */
+ ND_PRINT(" tid");
+ UBIK_VERSIONOUT();
+ ND_PRINT(" file");
+ INTOUT();
+ ND_PRINT(" length");
+ INTOUT();
+ break;
+ case 20012: /* Set version */
+ ND_PRINT(" tid");
+ UBIK_VERSIONOUT();
+ ND_PRINT(" oldversion");
+ UBIK_VERSIONOUT();
+ ND_PRINT(" newversion");
+ UBIK_VERSIONOUT();
+ break;
+ default:
+ ;
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|ubik]");
+}
+
+/*
+ * Handle Ubik replies to any one of the replicated database services
+ */
+
+static void
+ubik_reply_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, uint32_t opcode)
+{
+ const struct rx_header *rxh;
+ uint8_t type;
+
+ if (length < sizeof(struct rx_header))
+ return;
+
+ rxh = (const struct rx_header *) bp;
+
+ /*
+ * Print out the ubik call we're invoking. This table was gleaned
+ * from ubik/ubik_int.xg
+ */
+
+ ND_PRINT(" ubik reply %s", tok2str(ubik_req, "op#%u", opcode));
+
+ type = GET_U_1(rxh->type);
+ bp += sizeof(struct rx_header);
+
+ /*
+ * If it was a data packet, print out the arguments to the Ubik calls
+ */
+
+ if (type == RX_PACKET_TYPE_DATA)
+ switch (opcode) {
+ case 10000: /* Beacon */
+ ND_PRINT(" vote no");
+ break;
+ case 20004: /* Get version */
+ ND_PRINT(" dbversion");
+ UBIK_VERSIONOUT();
+ break;
+ default:
+ ;
+ }
+
+ /*
+ * Otherwise, print out "yes" if it was a beacon packet (because
+ * that's how yes votes are returned, go figure), otherwise
+ * just print out the error code.
+ */
+
+ else
+ switch (opcode) {
+ case 10000: /* Beacon */
+ ND_PRINT(" vote yes until");
+ DATEOUT();
+ break;
+ default:
+ ND_PRINT(" errcode");
+ INTOUT();
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|ubik]");
+}
+
+/*
+ * Handle RX ACK packets.
+ */
+
+static void
+rx_ack_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
+{
+ const struct rx_ackPacket *rxa;
+ uint8_t nAcks;
+ int i, start, last;
+ uint32_t firstPacket;
+
+ if (length < sizeof(struct rx_header))
+ return;
+
+ bp += sizeof(struct rx_header);
+
+ ND_TCHECK_LEN(bp, sizeof(struct rx_ackPacket));
+
+ rxa = (const struct rx_ackPacket *) bp;
+ bp += sizeof(struct rx_ackPacket);
+
+ /*
+ * Print out a few useful things from the ack packet structure
+ */
+
+ if (ndo->ndo_vflag > 2)
+ ND_PRINT(" bufspace %u maxskew %u",
+ GET_BE_U_2(rxa->bufferSpace),
+ GET_BE_U_2(rxa->maxSkew));
+
+ firstPacket = GET_BE_U_4(rxa->firstPacket);
+ ND_PRINT(" first %u serial %u reason %s",
+ firstPacket, GET_BE_U_4(rxa->serial),
+ tok2str(rx_ack_reasons, "#%u", GET_U_1(rxa->reason)));
+
+ /*
+ * Okay, now we print out the ack array. The way _this_ works
+ * is that we start at "first", and step through the ack array.
+ * If we have a contiguous range of acks/nacks, try to
+ * collapse them into a range.
+ *
+ * If you're really clever, you might have noticed that this
+ * doesn't seem quite correct. Specifically, due to structure
+ * padding, sizeof(struct rx_ackPacket) - RX_MAXACKS won't actually
+ * yield the start of the ack array (because RX_MAXACKS is 255
+ * and the structure will likely get padded to a 2 or 4 byte
+ * boundary). However, this is the way it's implemented inside
+ * of AFS - the start of the extra fields are at
+ * sizeof(struct rx_ackPacket) - RX_MAXACKS + nAcks, which _isn't_
+ * the exact start of the ack array. Sigh. That's why we aren't
+ * using bp, but instead use rxa->acks[]. But nAcks gets added
+ * to bp after this, so bp ends up at the right spot. Go figure.
+ */
+
+ nAcks = GET_U_1(rxa->nAcks);
+ if (nAcks != 0) {
+
+ ND_TCHECK_LEN(bp, nAcks);
+
+ /*
+ * Sigh, this is gross, but it seems to work to collapse
+ * ranges correctly.
+ */
+
+ for (i = 0, start = last = -2; i < nAcks; i++)
+ if (GET_U_1(bp + i) == RX_ACK_TYPE_ACK) {
+
+ /*
+ * I figured this deserved _some_ explanation.
+ * First, print "acked" and the packet seq
+ * number if this is the first time we've
+ * seen an acked packet.
+ */
+
+ if (last == -2) {
+ ND_PRINT(" acked %u", firstPacket + i);
+ start = i;
+ }
+
+ /*
+ * Otherwise, if there is a skip in
+ * the range (such as an nacked packet in
+ * the middle of some acked packets),
+ * then print the current packet number
+ * separated from the last number by
+ * a comma.
+ */
+
+ else if (last != i - 1) {
+ ND_PRINT(",%u", firstPacket + i);
+ start = i;
+ }
+
+ /*
+ * We always set last to the value of
+ * the last ack we saw. Conversely, start
+ * is set to the value of the first ack
+ * we saw in a range.
+ */
+
+ last = i;
+
+ /*
+ * Okay, this bit a code gets executed when
+ * we hit a nack ... in _this_ case we
+ * want to print out the range of packets
+ * that were acked, so we need to print
+ * the _previous_ packet number separated
+ * from the first by a dash (-). Since we
+ * already printed the first packet above,
+ * just print the final packet. Don't
+ * do this if there will be a single-length
+ * range.
+ */
+ } else if (last == i - 1 && start != last)
+ ND_PRINT("-%u", firstPacket + i - 1);
+
+ /*
+ * So, what's going on here? We ran off the end of the
+ * ack list, and if we got a range we need to finish it up.
+ * So we need to determine if the last packet in the list
+ * was an ack (if so, then last will be set to it) and
+ * we need to see if the last range didn't start with the
+ * last packet (because if it _did_, then that would mean
+ * that the packet number has already been printed and
+ * we don't need to print it again).
+ */
+
+ if (last == i - 1 && start != last)
+ ND_PRINT("-%u", firstPacket + i - 1);
+
+ /*
+ * Same as above, just without comments
+ */
+
+ for (i = 0, start = last = -2; i < nAcks; i++)
+ if (GET_U_1(bp + i) == RX_ACK_TYPE_NACK) {
+ if (last == -2) {
+ ND_PRINT(" nacked %u", firstPacket + i);
+ start = i;
+ } else if (last != i - 1) {
+ ND_PRINT(",%u", firstPacket + i);
+ start = i;
+ }
+ last = i;
+ } else if (last == i - 1 && start != last)
+ ND_PRINT("-%u", firstPacket + i - 1);
+
+ if (last == i - 1 && start != last)
+ ND_PRINT("-%u", firstPacket + i - 1);
+
+ bp += nAcks;
+ }
+
+ /* Padding. */
+ bp += 3;
+
+ /*
+ * These are optional fields; depending on your version of AFS,
+ * you may or may not see them
+ */
+
+#define TRUNCRET(n) if (ndo->ndo_snapend - bp + 1 <= n) return;
+
+ if (ndo->ndo_vflag > 1) {
+ TRUNCRET(4);
+ ND_PRINT(" ifmtu");
+ UINTOUT();
+
+ TRUNCRET(4);
+ ND_PRINT(" maxmtu");
+ UINTOUT();
+
+ TRUNCRET(4);
+ ND_PRINT(" rwind");
+ UINTOUT();
+
+ TRUNCRET(4);
+ ND_PRINT(" maxpackets");
+ UINTOUT();
+ }
+
+ return;
+
+trunc:
+ ND_PRINT(" [|ack]");
+}
+#undef TRUNCRET