+/*
+ * 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.
* Bah. If I never look at rx_packet.h again, it will be too soon.
*
- *
*/
-#ifndef lint
-static const char rcsid[] =
- "@(#) $Id: print-rx.c,v 1.6 2000-01-07 15:17:43 assar Exp $";
-#endif
-
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <arpa/inet.h>
-
-#include "interface.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 AFSNAMEMAX 256
+#define AFSOPAQUEMAX 1024
+#define PRNAMEMAX 64
+#define VLNAMEMAX 65
+#define KANAMEMAX 64
+#define BOSNAMEMAX 256
+
+#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
+};
-#undef NOERROR /* Solaris sucks */
-#include <arpa/nameser.h>
+/*
+ * Values for the acks array
+ */
-#include "rx.h"
+#define RX_ACK_TYPE_NACK 0 /* Don't have this packet */
+#define RX_ACK_TYPE_ACK 1 /* I have this packet */
-static struct tok rx_types[] = {
+static const struct tok rx_types[] = {
{ RX_PACKET_TYPE_DATA, "data" },
{ RX_PACKET_TYPE_ACK, "ack" },
{ RX_PACKET_TYPE_BUSY, "busy" },
{ 0, NULL },
};
-static struct tok rx_flags[] = {
- { RX_CLIENT_INITIATED, "client-init" },
- { RX_REQUEST_ACK, "req-ack" },
- { RX_LAST_PACKET, "last-pckt" },
- { RX_MORE_PACKETS, "more-pckts" },
- { RX_FREE_PACKET, "free-pckt" }
+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 struct tok fs_req[] = {
+static const struct tok fs_req[] = {
{ 130, "fetch-data" },
{ 131, "fetch-acl" },
{ 132, "fetch-status" },
{ 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 struct tok cb_req[] = {
+static const struct tok cb_req[] = {
{ 204, "callback" },
{ 205, "initcb" },
{ 206, "probe" },
{ 212, "whoareyou" },
{ 213, "initcb3" },
{ 214, "probeuuid" },
+ { 215, "getsrvprefs" },
+ { 216, "getcellservdb" },
+ { 217, "getlocalcell" },
+ { 218, "getcacheconf" },
+ { 65536, "getce64" },
+ { 65537, "getcellbynum" },
+ { 65538, "tellmeaboutyourself" },
{ 0, NULL },
};
-static struct tok pt_req[] = {
+static const struct tok pt_req[] = {
{ 500, "new-user" },
{ 501, "where-is-it" },
{ 502, "dump-entry" },
{ 518, "get-cps2" },
{ 519, "get-host-cps" },
{ 520, "update-entry" },
+ { 521, "list-entries" },
+ { 530, "list-super-groups" },
{ 0, NULL },
};
-static struct tok vldb_req[] = {
+static const struct tok vldb_req[] = {
{ 501, "create-entry" },
{ 502, "delete-entry" },
{ 503, "get-entry-by-id" },
{ 531, "linked-list-u" },
{ 532, "regaddr" },
{ 533, "get-addrs-u" },
+ { 534, "list-attrib-n2" },
{ 0, NULL },
};
-static struct tok kauth_req[] = {
+static const struct tok kauth_req[] = {
{ 1, "auth-old" },
{ 21, "authenticate" },
{ 22, "authenticate-v2" },
{ 0, NULL },
};
-static struct tok vol_req[] = {
+static const struct tok vol_req[] = {
{ 100, "create-volume" },
{ 101, "delete-volume" },
{ 102, "restore" },
{ 126, "set-info" },
{ 127, "x-list-partitions" },
{ 128, "forward-multiple" },
+ { 65536, "convert-ro" },
+ { 65537, "get-size" },
+ { 65538, "dump-v2" },
{ 0, NULL },
};
-static struct tok bos_req[] = {
+static const struct tok bos_req[] = {
{ 80, "create-bnode" },
{ 81, "delete-bnode" },
{ 82, "set-status" },
{ 112, "start-bozo-log" },
{ 113, "wait-all" },
{ 114, "get-instance-strings" },
+ { 115, "get-restricted" },
+ { 116, "set-restricted" },
{ 0, NULL },
};
-static struct tok ubik_req[] = {
+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" },
};
#define VOTE_LOW 10000
-#define VOTE_HIGH 10005
+#define VOTE_HIGH 10007
#define DISK_LOW 20000
#define DISK_HIGH 20013
-static struct tok cb_types[] = {
+static const struct tok cb_types[] = {
{ 1, "exclusive" },
{ 2, "shared" },
{ 3, "dropped" },
{ 0, NULL },
};
-static struct tok ubik_lock_types[] = {
+static const struct tok ubik_lock_types[] = {
{ 1, "read" },
{ 2, "write" },
{ 3, "wait" },
{ 0, NULL },
};
-static char *voltype[] = { "read-write", "read-only", "backup" };
+static const char *voltype[] = { "read-write", "read-only", "backup" };
-static struct tok afs_fs_errors[] = {
+static const struct tok afs_fs_errors[] = {
{ 101, "salvage volume" },
{ 102, "no such vnode" },
{ 103, "no such volume" },
{ 110, "volume busy" },
{ 111, "volume moved" },
{ 112, "AFS IO error" },
- { -100, "restarting fileserver" },
+ { 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 {
- u_int32_t callnum; /* Call number (net order) */
+ uint32_t callnum; /* Call number (net order) */
struct in_addr client; /* client IP address (net order) */
struct in_addr server; /* server IP address (net order) */
- int dport; /* server port (host order) */
- u_short serviceId; /* Service identifier (net order) */
- u_int32_t opcode; /* RX opcode (host order) */
+ u_int dport; /* server 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 int rx_cache_next = 0;
-static int rx_cache_hint = 0;
-static void rx_cache_insert(const u_char *, const struct ip *, int, int);
+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 *, u_int);
static int rx_cache_find(const struct rx_header *, const struct ip *,
- int, int32_t *);
-
-static void fs_print(const u_char *, int);
-static void fs_reply_print(const u_char *, int, int32_t);
-static void acl_print(u_char *, u_char *);
-static void cb_print(const u_char *, int);
-static void cb_reply_print(const u_char *, int, int32_t);
-static void prot_print(const u_char *, int);
-static void prot_reply_print(const u_char *, int, int32_t);
-static void vldb_print(const u_char *, int);
-static void vldb_reply_print(const u_char *, int, int32_t);
-static void kauth_print(const u_char *, int);
-static void kauth_reply_print(const u_char *, int, int32_t);
-static void vol_print(const u_char *, int);
-static void vol_reply_print(const u_char *, int, int32_t);
-static void bos_print(const u_char *, int);
-static void bos_reply_print(const u_char *, int, int32_t);
-static void ubik_print(const u_char *, int);
-static void ubik_reply_print(const u_char *, int, int32_t);
-
-static int is_ubik(u_int32_t);
+ uint32_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 *, int, 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
*/
void
-rx_print(register const u_char *bp, int length, int sport, int dport,
- u_char *bp2)
+rx_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length, u_int sport, u_int dport,
+ const u_char *bp2)
{
- register struct rx_header *rxh;
- int i;
- int32_t opcode;
+ register const struct rx_header *rxh;
+ uint32_t i;
+ uint8_t type, flags;
+ uint32_t opcode;
- if (snapend - bp < sizeof (struct rx_header)) {
- printf(" [|rx] (%d)", length);
+ if (!ND_TTEST2(*bp, sizeof (struct rx_header))) {
+ ND_PRINT((ndo, " [|rx] (%u)", length));
return;
}
- rxh = (struct rx_header *) bp;
+ rxh = (const struct rx_header *) bp;
- printf(" rx %s", tok2str(rx_types, "type %d", rxh->type));
+ type = EXTRACT_U_1(rxh->type);
+ ND_PRINT((ndo, " rx %s", tok2str(rx_types, "type %u", type)));
- if (vflag > 1) {
+ flags = EXTRACT_U_1(rxh->flags);
+ if (ndo->ndo_vflag) {
int firstflag = 0;
- printf(" cid %08x call# %d seq %d ser %d",
- (int) ntohl(rxh->cid),
- (int) ntohl(rxh->callNumber),
- (int) ntohl(rxh->seq),
- (int) ntohl(rxh->serial));
- if (vflag > 2)
- printf(" secindex %d serviceid %hu",
- (int) rxh->securityIndex,
- ntohs(rxh->serviceId));
- for (i = 0; i < NUM_RX_FLAGS; i++) {
- if (rxh->flags & rx_flags[i].v) {
- if (!firstflag) {
- firstflag = 1;
- printf(" ");
- } else {
- printf(",");
+
+ if (ndo->ndo_vflag > 1)
+ ND_PRINT((ndo, " cid %08x call# %u",
+ EXTRACT_BE_U_4(rxh->cid),
+ EXTRACT_BE_U_4(rxh->callNumber)));
+
+ ND_PRINT((ndo, " seq %u ser %u",
+ EXTRACT_BE_U_4(rxh->seq),
+ EXTRACT_BE_U_4(rxh->serial)));
+
+ if (ndo->ndo_vflag > 2)
+ ND_PRINT((ndo, " secindex %u serviceid %hu",
+ EXTRACT_U_1(rxh->securityIndex),
+ EXTRACT_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((ndo, " "));
+ } else {
+ ND_PRINT((ndo, ","));
+ }
+ ND_PRINT((ndo, "<%s>", rx_flags[i].s));
}
- printf("<%s>", rx_flags[i].s);
}
- }
}
/*
* as well.
*/
- if (rxh->type == RX_PACKET_TYPE_DATA && ntohl(rxh->seq) == 1 &&
- rxh->flags & RX_CLIENT_INITIATED) {
+ if (type == RX_PACKET_TYPE_DATA &&
+ EXTRACT_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(bp, (const struct ip *) bp2, dport, length);
+ rx_cache_insert(ndo, bp, (const struct ip *) bp2, dport);
switch (dport) {
case FS_RX_PORT: /* AFS file service */
- fs_print(bp, length);
+ fs_print(ndo, bp, length);
break;
case CB_RX_PORT: /* AFS callback service */
- cb_print(bp, length);
+ cb_print(ndo, bp, length);
break;
case PROT_RX_PORT: /* AFS protection service */
- prot_print(bp, length);
+ prot_print(ndo, bp, length);
break;
case VLDB_RX_PORT: /* AFS VLDB service */
- vldb_print(bp, length);
+ vldb_print(ndo, bp, length);
break;
case KAUTH_RX_PORT: /* AFS Kerberos auth service */
- kauth_print(bp, length);
+ kauth_print(ndo, bp, length);
break;
case VOL_RX_PORT: /* AFS Volume service */
- vol_print(bp, length);
+ vol_print(ndo, bp, length);
break;
case BOS_RX_PORT: /* AFS BOS service */
- bos_print(bp, length);
+ 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
* because printing out the return code can be useful at times.
*/
- } else if (((rxh->type == RX_PACKET_TYPE_DATA &&
- ntohl(rxh->seq) == 1) ||
- rxh->type == RX_PACKET_TYPE_ABORT) &&
- (rxh->flags & RX_CLIENT_INITIATED) == 0 &&
+ } else if (((type == RX_PACKET_TYPE_DATA &&
+ EXTRACT_BE_U_4(rxh->seq) == 1) ||
+ type == RX_PACKET_TYPE_ABORT) &&
+ (flags & RX_CLIENT_INITIATED) == 0 &&
rx_cache_find(rxh, (const struct ip *) bp2,
sport, &opcode)) {
switch (sport) {
case FS_RX_PORT: /* AFS file service */
- fs_reply_print(bp, length, opcode);
+ fs_reply_print(ndo, bp, length, opcode);
break;
case CB_RX_PORT: /* AFS callback service */
- cb_reply_print(bp, length, opcode);
+ cb_reply_print(ndo, bp, length, opcode);
break;
case PROT_RX_PORT: /* AFS PT service */
- prot_reply_print(bp, length, opcode);
+ prot_reply_print(ndo, bp, length, opcode);
break;
case VLDB_RX_PORT: /* AFS VLDB service */
- vldb_reply_print(bp, length, opcode);
+ vldb_reply_print(ndo, bp, length, opcode);
break;
case KAUTH_RX_PORT: /* AFS Kerberos auth service */
- kauth_reply_print(bp, length, opcode);
+ kauth_reply_print(ndo, bp, length, opcode);
break;
case VOL_RX_PORT: /* AFS Volume service */
- vol_reply_print(bp, length, opcode);
+ vol_reply_print(ndo, bp, length, opcode);
break;
case BOS_RX_PORT: /* AFS BOS service */
- bos_reply_print(bp, length, opcode);
+ 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);
- printf(" (%d)", length);
+ ND_PRINT((ndo, " (%u)", length));
}
/*
*/
static void
-rx_cache_insert(const u_char *bp, const struct ip *ip, int dport,
- int length)
+rx_cache_insert(netdissect_options *ndo,
+ const u_char *bp, const struct ip *ip, u_int dport)
{
struct rx_cache_entry *rxent;
const struct rx_header *rxh = (const struct rx_header *) bp;
- if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t))
+ 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 = rxh->callNumber;
- rxent->client = ip->ip_src;
- rxent->server = ip->ip_dst;
+
+ rxent->callnum = EXTRACT_BE_U_4(rxh->callNumber);
+ UNALIGNED_MEMCPY(&rxent->client, &ip->ip_src, sizeof(uint32_t));
+ UNALIGNED_MEMCPY(&rxent->server, &ip->ip_dst, sizeof(uint32_t));
rxent->dport = dport;
- rxent->serviceId = rxh->serviceId;
- rxent->opcode = ntohl(*((int *) (bp + sizeof(struct rx_header))));
+ rxent->serviceId = EXTRACT_BE_U_4(rxh->serviceId);
+ rxent->opcode = EXTRACT_BE_U_4(bp + sizeof(struct rx_header));
}
/*
*/
static int
-rx_cache_find(const struct rx_header *rxh, const struct ip *ip, int sport,
- int32_t *opcode)
+rx_cache_find(const struct rx_header *rxh, const struct ip *ip, u_int sport,
+ uint32_t *opcode)
{
- int i;
+ uint32_t i;
struct rx_cache_entry *rxent;
- u_int32_t clip = ip->ip_dst.s_addr;
- u_int32_t sip = ip->ip_src.s_addr;
+ uint32_t clip;
+ uint32_t sip;
+
+ UNALIGNED_MEMCPY(&clip, &ip->ip_dst, sizeof(uint32_t));
+ UNALIGNED_MEMCPY(&sip, &ip->ip_src, sizeof(uint32_t));
/* Start the search where we last left off */
i = rx_cache_hint;
do {
rxent = &rx_cache[i];
- if (rxent->callnum == rxh->callNumber &&
+ if (rxent->callnum == EXTRACT_BE_U_4(rxh->callNumber) &&
rxent->client.s_addr == clip &&
- rxent->server.s_addr == sip &&
- rxent->serviceId == rxh->serviceId &&
+ rxent->server.s_addr == sip &&
+ rxent->serviceId == EXTRACT_BE_U_4(rxh->serviceId) &&
rxent->dport == sport) {
/* We got a match! */
*opcode = rxent->opcode;
return(1);
}
- if (++i > RX_CACHE_SIZE)
+ if (++i >= RX_CACHE_SIZE)
i = 0;
} while (i != rx_cache_hint);
* These extrememly grody macros handle the printing of various AFS stuff.
*/
-#define TRUNC(n) if (snapend - bp + 1 <= n) goto trunc;
-#define FIDOUT() { unsigned long n1, n2, n3; \
- TRUNC(sizeof(int32_t) * 3); \
- n1 = ntohl(*((int *) bp)); \
- bp += sizeof(int32_t); \
- n2 = ntohl(*((int *) bp)); \
- bp += sizeof(int32_t); \
- n3 = ntohl(*((int *) bp)); \
- bp += sizeof(int32_t); \
- printf(" fid %d/%d/%d", (int) n1, (int) n2, (int) n3); \
+#define FIDOUT() { uint32_t n1, n2, n3; \
+ ND_TCHECK2(bp[0], sizeof(uint32_t) * 3); \
+ n1 = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ n2 = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ n3 = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT((ndo, " fid %u/%u/%u", n1, n2, n3)); \
}
-#define STROUT(MAX) { int i; \
- TRUNC(sizeof(int32_t)); \
- i = (int) ntohl(*((int *) bp)); \
- bp += sizeof(int32_t); \
- TRUNC(i); \
- strncpy(s, bp, min(MAX, i)); \
- s[i] = '\0'; \
- printf(" \"%s\"", s); \
- bp += ((i + sizeof(int32_t) - 1) / sizeof(int32_t)) * sizeof(int32_t); \
+#define STROUT(MAX) { uint32_t _i; \
+ ND_TCHECK2(bp[0], sizeof(uint32_t)); \
+ _i = EXTRACT_BE_U_4(bp); \
+ if (_i > (MAX)) \
+ goto trunc; \
+ bp += sizeof(uint32_t); \
+ ND_PRINT((ndo, " \"")); \
+ if (fn_printn(ndo, bp, _i, ndo->ndo_snapend)) \
+ goto trunc; \
+ ND_PRINT((ndo, "\"")); \
+ bp += ((_i + sizeof(uint32_t) - 1) / sizeof(uint32_t)) * sizeof(uint32_t); \
}
-#define INTOUT() { int i; \
- TRUNC(sizeof(int32_t)); \
- i = (int) ntohl(*((int *) bp)); \
+#define INTOUT() { int32_t _i; \
+ ND_TCHECK_4(bp); \
+ _i = EXTRACT_BE_S_4(bp); \
bp += sizeof(int32_t); \
- printf(" %d", i); \
+ ND_PRINT((ndo, " %d", _i)); \
}
-#define UINTOUT() { unsigned long i; \
- TRUNC(sizeof(int32_t)); \
- i = ntohl(*((int *) bp)); \
- bp += sizeof(int32_t); \
- printf(" %lu", i); \
+#define UINTOUT() { uint32_t _i; \
+ ND_TCHECK_4(bp); \
+ _i = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT((ndo, " %u", _i)); \
+ }
+
+#define UINT64OUT() { uint64_t _i; \
+ ND_TCHECK2(bp[0], sizeof(uint64_t)); \
+ _i = EXTRACT_BE_U_8(bp); \
+ bp += sizeof(uint64_t); \
+ ND_PRINT((ndo, " %" PRIu64, _i)); \
}
-#define DATEOUT() { time_t t; struct tm *tm; char str[256]; \
- TRUNC(sizeof(int32_t)); \
- t = (time_t) ntohl(*((int *) bp)); \
+#define DATEOUT() { time_t _t; struct tm *tm; char str[256]; \
+ ND_TCHECK_4(bp); \
+ _t = (time_t) EXTRACT_BE_S_4(bp); \
bp += sizeof(int32_t); \
- tm = localtime(&t); \
- strftime(str, 256, "%Y/%m/%d %T", tm); \
- printf(" %s", str); \
+ tm = localtime(&_t); \
+ strftime(str, 256, "%Y/%m/%d %H:%M:%S", tm); \
+ ND_PRINT((ndo, " %s", str)); \
}
-#define STOREATTROUT() { unsigned long mask, i; \
- TRUNC((sizeof(int32_t)*6)); \
- mask = ntohl(*((int *) bp)); bp += sizeof(int32_t); \
- if (mask) printf (" StoreStatus"); \
- if (mask & 1) { printf(" date"); DATEOUT(); } \
- else bp += sizeof(int32_t); \
- i = ntohl(*((int *) bp)); bp += sizeof(int32_t); \
- if (mask & 2) printf(" owner %lu", i); \
- i = ntohl(*((int32_t *) bp)); bp += sizeof(int32_t); \
- if (mask & 4) printf(" group %lu", i); \
- i = ntohl(*((int32_t *) bp)); bp += sizeof(int32_t); \
- if (mask & 8) printf(" mode %lo", i & 07777); \
- i = ntohl(*((int32_t *) bp)); bp += sizeof(int32_t); \
- if (mask & 16) printf(" segsize %lu", i); \
+#define STOREATTROUT() { uint32_t mask, _i; \
+ ND_TCHECK2(bp[0], (sizeof(uint32_t)*6)); \
+ mask = EXTRACT_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask) ND_PRINT((ndo, " StoreStatus")); \
+ if (mask & 1) { ND_PRINT((ndo, " date")); DATEOUT(); } \
+ else bp += sizeof(uint32_t); \
+ _i = EXTRACT_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask & 2) ND_PRINT((ndo, " owner %u", _i)); \
+ _i = EXTRACT_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask & 4) ND_PRINT((ndo, " group %u", _i)); \
+ _i = EXTRACT_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask & 8) ND_PRINT((ndo, " mode %o", _i & 07777)); \
+ _i = EXTRACT_BE_U_4(bp); bp += sizeof(uint32_t); \
+ if (mask & 16) ND_PRINT((ndo, " segsize %u", _i)); \
/* undocumented in 3.3 docu */ \
- if (mask & 1024) printf(" fsync"); \
+ if (mask & 1024) ND_PRINT((ndo, " fsync")); \
}
-#define UBIK_VERSIONOUT() {int32_t epoch; int32_t counter; \
- TRUNC(sizeof(int32_t) * 2); \
- epoch = ntohl(*((int *) bp)); \
- bp += sizeof(int32_t); \
- counter = ntohl(*((int *) bp)); \
- bp += sizeof(int32_t); \
- printf(" %d.%d", epoch, counter); \
+#define UBIK_VERSIONOUT() {uint32_t epoch; uint32_t counter; \
+ ND_TCHECK2(bp[0], sizeof(uint32_t) * 2); \
+ epoch = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ counter = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT((ndo, " %u.%u", epoch, counter)); \
}
-#define AFSUUIDOUT() {u_int32_t temp; int i; \
- TRUNC(11*sizeof(u_int32_t)); \
- temp = ntohl(*((int *) bp)); \
- bp += sizeof(u_int32_t); \
- printf(" %08x", temp); \
- temp = ntohl(*((int *) bp)); \
- bp += sizeof(u_int32_t); \
- printf("%04x", temp); \
- temp = ntohl(*((int *) bp)); \
- bp += sizeof(u_int32_t); \
- printf("%04x", temp); \
- for (i = 0; i < 8; i++) { \
- temp = ntohl(*((int *) bp)); \
- bp += sizeof(u_int32_t); \
- printf("%02x", (unsigned char) temp); \
+#define AFSUUIDOUT() {uint32_t temp; int _i; \
+ ND_TCHECK2(bp[0], 11*sizeof(uint32_t)); \
+ temp = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT((ndo, " %08x", temp)); \
+ temp = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT((ndo, "%04x", temp)); \
+ temp = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT((ndo, "%04x", temp)); \
+ for (_i = 0; _i < 8; _i++) { \
+ temp = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT((ndo, "%02x", (unsigned char) temp)); \
} \
}
* This is the sickest one of all
*/
-#define VECOUT(MAX) { char *sp; \
- int k; \
- TRUNC(MAX * sizeof(int32_t)); \
+#define VECOUT(MAX) { u_char *sp; \
+ u_char s[AFSNAMEMAX]; \
+ uint32_t k; \
+ if ((MAX) + 1 > sizeof(s)) \
+ goto trunc; \
+ ND_TCHECK2(bp[0], (MAX) * sizeof(uint32_t)); \
sp = s; \
- for (k = 0; k < MAX; k++) { \
- *sp++ = (char) ntohl(*((int *) bp)); \
- bp += sizeof(int32_t); \
+ for (k = 0; k < (MAX); k++) { \
+ *sp++ = (u_char) EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
} \
- s[MAX] = '\0'; \
- printf(" \"%s\"", s); \
+ s[(MAX)] = '\0'; \
+ ND_PRINT((ndo, " \"")); \
+ fn_print(ndo, s, NULL); \
+ ND_PRINT((ndo, "\"")); \
+ }
+
+#define DESTSERVEROUT() { uint32_t n1, n2, n3; \
+ ND_TCHECK2(bp[0], sizeof(uint32_t) * 3); \
+ n1 = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ n2 = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ n3 = EXTRACT_BE_U_4(bp); \
+ bp += sizeof(uint32_t); \
+ ND_PRINT((ndo, " server %u:%u:%u", n1, n2, n3)); \
}
/*
* Handle calls to the AFS file service (fs)
*/
-void
-fs_print(register const u_char *bp, int length)
+static void
+fs_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length)
{
- int fs_op;
- unsigned long i;
- char s[AFSNAMEMAX];
+ uint32_t fs_op;
+ uint32_t i;
if (length <= sizeof(struct rx_header))
return;
- if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) {
- goto trunc;
- }
-
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from fsint/afsint.xg
*/
- fs_op = ntohl(*((int *) (bp + sizeof(struct rx_header))));
+ ND_TCHECK_4(bp + sizeof(struct rx_header));
+ fs_op = EXTRACT_BE_U_4(bp + sizeof(struct rx_header));
- printf(" fs call %s", tok2str(fs_req, "op#%d", fs_op));
+ ND_PRINT((ndo, " fs call %s", tok2str(fs_req, "op#%u", fs_op)));
/*
* Print out arguments to some of the AFS calls. This stuff is
switch (fs_op) {
case 130: /* Fetch data */
FIDOUT();
- printf(" offset");
+ ND_PRINT((ndo, " offset"));
UINTOUT();
- printf(" length");
+ ND_PRINT((ndo, " length"));
UINTOUT();
break;
case 131: /* Fetch ACL */
case 133: /* Store data */
FIDOUT();
STOREATTROUT();
- printf(" offset");
+ ND_PRINT((ndo, " offset"));
UINTOUT();
- printf(" length");
+ ND_PRINT((ndo, " length"));
UINTOUT();
- printf(" flen");
+ ND_PRINT((ndo, " flen"));
UINTOUT();
break;
case 134: /* Store ACL */
{
- char a[AFSOPAQUEMAX];
+ char a[AFSOPAQUEMAX+1];
FIDOUT();
- TRUNC(4);
- i = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
- TRUNC(i);
- strncpy(a, bp, min(AFSOPAQUEMAX, i));
+ ND_TCHECK_4(bp);
+ i = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_TCHECK2(bp[0], i);
+ i = min(AFSOPAQUEMAX, i);
+ strncpy(a, (const char *) bp, i);
a[i] = '\0';
- acl_print((u_char *) a, (u_char *) a + i);
+ acl_print(ndo, (u_char *) a, sizeof(a), (u_char *) a + i);
break;
}
case 137: /* Create file */
STROUT(AFSNAMEMAX);
break;
case 138: /* Rename file */
- printf(" old");
+ ND_PRINT((ndo, " old"));
FIDOUT();
STROUT(AFSNAMEMAX);
- printf(" new");
+ ND_PRINT((ndo, " new"));
FIDOUT();
STROUT(AFSNAMEMAX);
break;
case 139: /* Symlink */
FIDOUT();
STROUT(AFSNAMEMAX);
- printf(" link to");
+ ND_PRINT((ndo, " link to"));
STROUT(AFSNAMEMAX);
break;
case 140: /* Link */
FIDOUT();
STROUT(AFSNAMEMAX);
- printf(" link to");
+ ND_PRINT((ndo, " link to"));
FIDOUT();
break;
case 148: /* Get volume info */
break;
case 149: /* Get volume stats */
case 150: /* Set volume stats */
- printf(" volid");
+ ND_PRINT((ndo, " volid"));
UINTOUT();
break;
case 154: /* New get volume info */
- printf(" volname");
+ ND_PRINT((ndo, " volname"));
STROUT(AFSNAMEMAX);
break;
case 155: /* Bulk stat */
+ case 65536: /* Inline bulk stat */
{
- unsigned long j;
- TRUNC(4);
- j = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ uint32_t j;
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
for (i = 0; i < j; i++) {
FIDOUT();
if (i != j - 1)
- printf(",");
+ ND_PRINT((ndo, ","));
}
if (j == 0)
- printf(" <none!>");
+ ND_PRINT((ndo, " <none!>"));
}
+ case 65537: /* Fetch data 64 */
+ FIDOUT();
+ ND_PRINT((ndo, " offset"));
+ UINT64OUT();
+ ND_PRINT((ndo, " length"));
+ UINT64OUT();
+ break;
+ case 65538: /* Store data 64 */
+ FIDOUT();
+ STOREATTROUT();
+ ND_PRINT((ndo, " offset"));
+ UINT64OUT();
+ ND_PRINT((ndo, " length"));
+ UINT64OUT();
+ ND_PRINT((ndo, " flen"));
+ UINT64OUT();
+ break;
+ case 65541: /* CallBack rx conn address */
+ ND_PRINT((ndo, " addr"));
+ UINTOUT();
default:
;
}
return;
trunc:
- printf(" [|fs]");
+ ND_PRINT((ndo, " [|fs]"));
}
/*
*/
static void
-fs_reply_print(register const u_char *bp, int length, int32_t opcode)
+fs_reply_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length, uint32_t opcode)
{
- unsigned long i;
- char s[AFSNAMEMAX];
- struct rx_header *rxh;
+ uint32_t i;
+ const struct rx_header *rxh;
+ uint8_t type;
if (length <= sizeof(struct rx_header))
return;
- rxh = (struct rx_header *) bp;
+ rxh = (const struct rx_header *) bp;
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from fsint/afsint.xg
*/
- printf(" fs reply %s", tok2str(fs_req, "op#%d", opcode));
+ ND_PRINT((ndo, " fs reply %s", tok2str(fs_req, "op#%u", opcode)));
+ type = EXTRACT_U_1(rxh->type);
bp += sizeof(struct rx_header);
/*
* If it was a data packet, interpret the response
*/
- if (rxh->type == RX_PACKET_TYPE_DATA) {
+ if (type == RX_PACKET_TYPE_DATA) {
switch (opcode) {
case 131: /* Fetch ACL */
{
- char a[AFSOPAQUEMAX];
- TRUNC(4);
- i = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
- TRUNC(i);
- strncpy(a, bp, min(AFSOPAQUEMAX, i));
+ char a[AFSOPAQUEMAX+1];
+ ND_TCHECK_4(bp);
+ i = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_TCHECK2(bp[0], i);
+ i = min(AFSOPAQUEMAX, i);
+ strncpy(a, (const char *) bp, i);
a[i] = '\0';
- acl_print((u_char *) a, (u_char *) a + i);
+ acl_print(ndo, (u_char *) a, sizeof(a), (u_char *) a + i);
break;
}
case 137: /* Create file */
case 141: /* MakeDir */
- printf(" new");
+ ND_PRINT((ndo, " new"));
FIDOUT();
break;
case 151: /* Get root volume */
- printf(" root volume");
+ ND_PRINT((ndo, " root volume"));
STROUT(AFSNAMEMAX);
break;
case 153: /* Get time */
default:
;
}
- } else if (rxh->type == RX_PACKET_TYPE_ABORT) {
- int i;
+ } else if (type == RX_PACKET_TYPE_ABORT) {
+ /*
+ * Otherwise, just print out the return code
+ */
+ int32_t errcode;
- /*
- * Otherwise, just print out the return code
- */
- TRUNC(sizeof(int32_t));
- i = (int) ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ ND_TCHECK_4(bp);
+ errcode = EXTRACT_BE_S_4(bp);
+ bp += sizeof(int32_t);
- printf(" error %s", tok2str(afs_fs_errors, "#%d", i));
+ ND_PRINT((ndo, " error %s", tok2str(afs_fs_errors, "#%d", errcode)));
} else {
- printf(" strange fs reply of type %d", rxh->type);
+ ND_PRINT((ndo, " strange fs reply of type %u", type));
}
return;
trunc:
- printf(" [|fs]");
+ ND_PRINT((ndo, " [|fs]"));
}
/*
* <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 and a ascii number
+ * ASCII strings containing the UID/PTS record and an ASCII number
* representing a logical OR of all the ACL permission bits
*/
static void
-acl_print(u_char *s, u_char *end)
+acl_print(netdissect_options *ndo,
+ u_char *s, int maxsize, u_char *end)
{
int pos, neg, acl;
int n, i;
- char user[128];
+ char *user;
+ char fmt[1024];
- if (sscanf((char *) s, "%d %d\n%n", &pos, &neg, &n) != 2)
+ if ((user = (char *)malloc(maxsize)) == NULL)
return;
-
+
+ if (sscanf((char *) s, "%d %d\n%n", &pos, &neg, &n) != 2)
+ goto finish;
+
s += n;
if (s > end)
- return;
+ goto finish;
/*
* This wacky order preserves the order used by the "fs" command
*/
#define ACLOUT(acl) \
- if (acl & PRSFS_READ) \
- printf("r"); \
- if (acl & PRSFS_LOOKUP) \
- printf("l"); \
- if (acl & PRSFS_INSERT) \
- printf("i"); \
- if (acl & PRSFS_DELETE) \
- printf("d"); \
- if (acl & PRSFS_WRITE) \
- printf("w"); \
- if (acl & PRSFS_LOCK) \
- printf("k"); \
- if (acl & PRSFS_ADMINISTER) \
- printf("a");
+ ND_PRINT((ndo, "%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, "%s %d\n%n", user, &acl, &n) != 2)
- return;
+ snprintf(fmt, sizeof(fmt), "%%%ds %%d\n%%n", maxsize - 1);
+ if (sscanf((char *) s, fmt, user, &acl, &n) != 2)
+ goto finish;
s += n;
- printf(" +{%s ", user);
+ ND_PRINT((ndo, " +{"));
+ fn_print(ndo, (u_char *)user, NULL);
+ ND_PRINT((ndo, " "));
ACLOUT(acl);
- printf("}");
+ ND_PRINT((ndo, "}"));
if (s > end)
- return;
+ goto finish;
}
for (i = 0; i < neg; i++) {
- if (sscanf((char *) s, "%s %d\n%n", user, &acl, &n) != 2)
- return;
+ snprintf(fmt, sizeof(fmt), "%%%ds %%d\n%%n", maxsize - 1);
+ if (sscanf((char *) s, fmt, user, &acl, &n) != 2)
+ goto finish;
s += n;
- printf(" -{%s ", user);
+ ND_PRINT((ndo, " -{"));
+ fn_print(ndo, (u_char *)user, NULL);
+ ND_PRINT((ndo, " "));
ACLOUT(acl);
- printf("}");
+ ND_PRINT((ndo, "}"));
if (s > end)
- return;
+ goto finish;
}
+
+finish:
+ free(user);
+ return;
}
#undef ACLOUT
*/
static void
-cb_print(register const u_char *bp, int length)
+cb_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length)
{
- int cb_op;
- unsigned long i;
+ uint32_t cb_op;
+ uint32_t i;
if (length <= sizeof(struct rx_header))
return;
- if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) {
- goto trunc;
- }
-
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from fsint/afscbint.xg
*/
- cb_op = ntohl(*((int *) (bp + sizeof(struct rx_header))));
+ ND_TCHECK_4(bp + sizeof(struct rx_header));
+ cb_op = EXTRACT_BE_U_4(bp + sizeof(struct rx_header));
- printf(" cb call %s", tok2str(cb_req, "op#%d", cb_op));
+ ND_PRINT((ndo, " cb call %s", tok2str(cb_req, "op#%u", cb_op)));
bp += sizeof(struct rx_header) + 4;
switch (cb_op) {
case 204: /* Callback */
{
- unsigned long j, t;
- TRUNC(4);
- j = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ uint32_t j, t;
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
for (i = 0; i < j; i++) {
FIDOUT();
if (i != j - 1)
- printf(",");
+ ND_PRINT((ndo, ","));
}
if (j == 0)
- printf(" <none!>");
+ ND_PRINT((ndo, " <none!>"));
- j = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
if (j != 0)
- printf(";");
+ ND_PRINT((ndo, ";"));
for (i = 0; i < j; i++) {
- printf(" ver");
+ ND_PRINT((ndo, " ver"));
INTOUT();
- printf(" expires");
+ ND_PRINT((ndo, " expires"));
DATEOUT();
- TRUNC(4);
- t = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
- tok2str(cb_types, "type %d", t);
+ ND_TCHECK_4(bp);
+ t = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ tok2str(cb_types, "type %u", t);
}
}
case 214: {
- printf(" afsuuid");
+ ND_PRINT((ndo, " afsuuid"));
AFSUUIDOUT();
break;
}
return;
trunc:
- printf(" [|cb]");
+ ND_PRINT((ndo, " [|cb]"));
}
/*
*/
static void
-cb_reply_print(register const u_char *bp, int length, int32_t opcode)
+cb_reply_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length, uint32_t opcode)
{
- struct rx_header *rxh;
+ const struct rx_header *rxh;
+ uint8_t type;
if (length <= sizeof(struct rx_header))
return;
- rxh = (struct rx_header *) bp;
+ rxh = (const struct rx_header *) bp;
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from fsint/afscbint.xg
*/
-
- printf(" cb reply %s", tok2str(cb_req, "op#%d", opcode));
+ ND_PRINT((ndo, " cb reply %s", tok2str(cb_req, "op#%u", opcode)));
+
+ type = EXTRACT_U_1(rxh->type);
bp += sizeof(struct rx_header);
/*
* If it was a data packet, interpret the response.
*/
- if (rxh->type == RX_PACKET_TYPE_DATA)
+ if (type == RX_PACKET_TYPE_DATA)
switch (opcode) {
case 213: /* InitCallBackState3 */
AFSUUIDOUT();
/*
* Otherwise, just print out the return code
*/
- printf(" errcode");
+ ND_PRINT((ndo, " errcode"));
INTOUT();
}
return;
trunc:
- printf(" [|cb]");
+ ND_PRINT((ndo, " [|cb]"));
}
/*
*/
static void
-prot_print(register const u_char *bp, int length)
+prot_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length)
{
- unsigned long i;
- char s[AFSNAMEMAX];
- int pt_op;
+ uint32_t i;
+ uint32_t pt_op;
if (length <= sizeof(struct rx_header))
return;
- if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) {
- goto trunc;
- }
-
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from ptserver/ptint.xg
*/
- pt_op = ntohl(*((int *) (bp + sizeof(struct rx_header))));
+ ND_TCHECK_4(bp + sizeof(struct rx_header));
+ pt_op = EXTRACT_BE_U_4(bp + sizeof(struct rx_header));
- printf(" pt");
+ ND_PRINT((ndo, " pt"));
if (is_ubik(pt_op)) {
- ubik_print(bp, length);
+ ubik_print(ndo, bp);
return;
}
- printf(" call %s", tok2str(pt_req, "op#%d", pt_op));
+ ND_PRINT((ndo, " call %s", tok2str(pt_req, "op#%u", pt_op)));
/*
* Decode some of the arguments to the PT calls
switch (pt_op) {
case 500: /* I New User */
STROUT(PRNAMEMAX);
- printf(" id");
+ ND_PRINT((ndo, " id"));
INTOUT();
- printf(" oldid");
+ ND_PRINT((ndo, " oldid"));
INTOUT();
break;
case 501: /* Where is it */
case 517: /* List owned */
case 518: /* Get CPS2 */
case 519: /* Get host CPS */
- printf(" id");
+ case 530: /* List super groups */
+ ND_PRINT((ndo, " id"));
INTOUT();
break;
case 502: /* Dump entry */
- printf(" pos");
+ ND_PRINT((ndo, " pos"));
INTOUT();
break;
case 503: /* Add to group */
case 507: /* Remove from group */
case 515: /* Is a member of? */
- printf(" uid");
+ ND_PRINT((ndo, " uid"));
INTOUT();
- printf(" gid");
+ ND_PRINT((ndo, " gid"));
INTOUT();
break;
case 504: /* Name to ID */
{
- unsigned long j;
- TRUNC(4);
- j = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ uint32_t j;
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
/*
* Who designed this chicken-shit protocol?
VECOUT(PRNAMEMAX);
}
if (j == 0)
- printf(" <none!>");
+ ND_PRINT((ndo, " <none!>"));
}
break;
case 505: /* Id to name */
{
- unsigned long j;
- printf(" ids:");
- TRUNC(4);
- i = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ uint32_t j;
+ ND_PRINT((ndo, " ids:"));
+ ND_TCHECK_4(bp);
+ i = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
for (j = 0; j < i; j++)
INTOUT();
if (j == 0)
- printf(" <none!>");
+ ND_PRINT((ndo, " <none!>"));
}
break;
case 509: /* New entry */
STROUT(PRNAMEMAX);
- printf(" flag");
+ ND_PRINT((ndo, " flag"));
INTOUT();
- printf(" oid");
+ ND_PRINT((ndo, " oid"));
INTOUT();
break;
case 511: /* Set max */
- printf(" id");
+ ND_PRINT((ndo, " id"));
INTOUT();
- printf(" gflag");
+ ND_PRINT((ndo, " gflag"));
INTOUT();
break;
case 513: /* Change entry */
- printf(" id");
+ ND_PRINT((ndo, " id"));
INTOUT();
STROUT(PRNAMEMAX);
- printf(" oldid");
+ ND_PRINT((ndo, " oldid"));
INTOUT();
- printf(" newid");
+ ND_PRINT((ndo, " newid"));
INTOUT();
break;
case 520: /* Update entry */
- printf(" id");
+ ND_PRINT((ndo, " id"));
INTOUT();
STROUT(PRNAMEMAX);
break;
return;
trunc:
- printf(" [|pt]");
+ ND_PRINT((ndo, " [|pt]"));
}
/*
*/
static void
-prot_reply_print(register const u_char *bp, int length, int32_t opcode)
+prot_reply_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length, uint32_t opcode)
{
- struct rx_header *rxh;
- unsigned long i;
- char s[AFSNAMEMAX];
+ const struct rx_header *rxh;
+ uint8_t type;
+ uint32_t i;
if (length < sizeof(struct rx_header))
return;
- rxh = (struct rx_header *) bp;
+ rxh = (const struct rx_header *) bp;
/*
* Print out the afs call we're invoking. The table used here was
* Ubik call, however.
*/
- printf(" pt");
+ ND_PRINT((ndo, " pt"));
if (is_ubik(opcode)) {
- ubik_reply_print(bp, length, opcode);
+ ubik_reply_print(ndo, bp, length, opcode);
return;
}
- printf(" reply %s", tok2str(pt_req, "op#%d", opcode));
+ ND_PRINT((ndo, " reply %s", tok2str(pt_req, "op#%u", opcode)));
+ type = EXTRACT_U_1(rxh->type);
bp += sizeof(struct rx_header);
/*
* If it was a data packet, interpret the response
*/
- if (rxh->type == RX_PACKET_TYPE_DATA)
+ if (type == RX_PACKET_TYPE_DATA)
switch (opcode) {
case 504: /* Name to ID */
{
- unsigned long j;
- printf(" ids:");
- TRUNC(4);
- i = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ uint32_t j;
+ ND_PRINT((ndo, " ids:"));
+ ND_TCHECK_4(bp);
+ i = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
for (j = 0; j < i; j++)
INTOUT();
if (j == 0)
- printf(" <none!>");
+ ND_PRINT((ndo, " <none!>"));
}
break;
case 505: /* ID to name */
{
- unsigned long j;
- TRUNC(4);
- j = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ uint32_t j;
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
/*
* Who designed this chicken-shit protocol?
VECOUT(PRNAMEMAX);
}
if (j == 0)
- printf(" <none!>");
+ ND_PRINT((ndo, " <none!>"));
}
break;
case 508: /* Get CPS */
case 518: /* Get CPS2 */
case 519: /* Get host CPS */
{
- unsigned long j;
- TRUNC(4);
- j = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ uint32_t j;
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
for (i = 0; i < j; i++) {
INTOUT();
}
if (j == 0)
- printf(" <none!>");
+ ND_PRINT((ndo, " <none!>"));
}
break;
case 510: /* List max */
- printf(" maxuid");
+ ND_PRINT((ndo, " maxuid"));
INTOUT();
- printf(" maxgid");
+ ND_PRINT((ndo, " maxgid"));
INTOUT();
break;
default:
/*
* Otherwise, just print out the return code
*/
- printf(" errcode");
+ ND_PRINT((ndo, " errcode"));
INTOUT();
}
return;
trunc:
- printf(" [|pt]");
+ ND_PRINT((ndo, " [|pt]"));
}
/*
*/
static void
-vldb_print(register const u_char *bp, int length)
+vldb_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length)
{
- int vldb_op;
- unsigned long i;
- char s[AFSNAMEMAX];
+ uint32_t vldb_op;
+ uint32_t i;
if (length <= sizeof(struct rx_header))
return;
- if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) {
- goto trunc;
- }
-
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from vlserver/vldbint.xg
*/
- vldb_op = ntohl(*((int *) (bp + sizeof(struct rx_header))));
+ ND_TCHECK_4(bp + sizeof(struct rx_header));
+ vldb_op = EXTRACT_BE_U_4(bp + sizeof(struct rx_header));
- printf(" vldb");
+ ND_PRINT((ndo, " vldb"));
if (is_ubik(vldb_op)) {
- ubik_print(bp, length);
+ ubik_print(ndo, bp);
return;
}
- printf(" call %s", tok2str(vldb_req, "op#%d", vldb_op));
+ ND_PRINT((ndo, " call %s", tok2str(vldb_req, "op#%u", vldb_op)));
/*
* Decode some of the arguments to the VLDB calls
case 508: /* Set lock */
case 509: /* Release lock */
case 518: /* Get entry by ID N */
- printf(" volid");
+ ND_PRINT((ndo, " volid"));
INTOUT();
- TRUNC(sizeof(int32_t));
- i = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ ND_TCHECK_4(bp);
+ i = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
if (i <= 2)
- printf(" type %s", voltype[i]);
+ ND_PRINT((ndo, " type %s", voltype[i]));
break;
case 504: /* Get entry by name */
case 519: /* Get entry by name N */
STROUT(VLNAMEMAX);
break;
case 505: /* Get new vol id */
- printf(" bump");
+ ND_PRINT((ndo, " bump"));
INTOUT();
break;
case 506: /* Replace entry */
case 520: /* Replace entry N */
- printf(" volid");
+ ND_PRINT((ndo, " volid"));
INTOUT();
- TRUNC(sizeof(int32_t));
- i = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
+ ND_TCHECK_4(bp);
+ i = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
if (i <= 2)
- printf(" type %s", voltype[i]);
+ ND_PRINT((ndo, " type %s", voltype[i]));
VECOUT(VLNAMEMAX);
break;
case 510: /* List entry */
case 521: /* List entry N */
- printf(" index");
+ ND_PRINT((ndo, " index"));
INTOUT();
break;
default:
return;
trunc:
- printf(" [|vldb]");
+ ND_PRINT((ndo, " [|vldb]"));
}
/*
*/
static void
-vldb_reply_print(register const u_char *bp, int length, int32_t opcode)
+vldb_reply_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length, uint32_t opcode)
{
- struct rx_header *rxh;
- unsigned long i;
- char s[AFSNAMEMAX];
+ const struct rx_header *rxh;
+ uint8_t type;
+ uint32_t i;
if (length < sizeof(struct rx_header))
return;
- rxh = (struct rx_header *) bp;
+ rxh = (const struct rx_header *) bp;
/*
* Print out the afs call we're invoking. The table used here was
* Ubik call, however.
*/
- printf(" vldb");
+ ND_PRINT((ndo, " vldb"));
if (is_ubik(opcode)) {
- ubik_reply_print(bp, length, opcode);
+ ubik_reply_print(ndo, bp, length, opcode);
return;
}
- printf(" reply %s", tok2str(vldb_req, "op#%d", opcode));
+ ND_PRINT((ndo, " reply %s", tok2str(vldb_req, "op#%u", opcode)));
+ type = EXTRACT_U_1(rxh->type);
bp += sizeof(struct rx_header);
/*
* If it was a data packet, interpret the response
*/
- if (rxh->type == RX_PACKET_TYPE_DATA)
+ if (type == RX_PACKET_TYPE_DATA)
switch (opcode) {
case 510: /* List entry */
- printf(" count");
+ ND_PRINT((ndo, " count"));
INTOUT();
- printf(" nextindex");
+ ND_PRINT((ndo, " nextindex"));
INTOUT();
case 503: /* Get entry by id */
case 504: /* Get entry by name */
- { unsigned long nservers, j;
+ { uint32_t nservers, j;
VECOUT(VLNAMEMAX);
- TRUNC(sizeof(int32_t));
- bp += sizeof(int32_t);
- printf(" numservers");
- TRUNC(sizeof(int32_t));
- nservers = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
- printf(" %lu", nservers);
- printf(" servers");
+ ND_TCHECK_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT((ndo, " numservers"));
+ ND_TCHECK_4(bp);
+ nservers = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT((ndo, " %u", nservers));
+ ND_PRINT((ndo, " servers"));
for (i = 0; i < 8; i++) {
- TRUNC(sizeof(int32_t));
+ ND_TCHECK_4(bp);
if (i < nservers)
- printf(" %s",
- inet_ntoa(*((struct in_addr *) bp)));
- bp += sizeof(int32_t);
+ ND_PRINT((ndo, " %s",
+ intoa(((const struct in_addr *) bp)->s_addr)));
+ bp += sizeof(uint32_t);
}
- printf(" partitions");
+ ND_PRINT((ndo, " partitions"));
for (i = 0; i < 8; i++) {
- TRUNC(sizeof(int32_t));
- j = ntohl(*((int *) bp));
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
if (i < nservers && j <= 26)
- printf(" %c", 'a' + (int)j);
+ ND_PRINT((ndo, " %c", 'a' + j));
else if (i < nservers)
- printf(" %lu", j);
- bp += sizeof(int32_t);
+ ND_PRINT((ndo, " %u", j));
+ bp += sizeof(uint32_t);
}
- TRUNC(8 * sizeof(int32_t));
- bp += 8 * sizeof(int32_t);
- printf(" rwvol");
+ ND_TCHECK2(bp[0], 8 * sizeof(uint32_t));
+ bp += 8 * sizeof(uint32_t);
+ ND_PRINT((ndo, " rwvol"));
UINTOUT();
- printf(" rovol");
+ ND_PRINT((ndo, " rovol"));
UINTOUT();
- printf(" backup");
+ ND_PRINT((ndo, " backup"));
UINTOUT();
}
break;
case 505: /* Get new volume ID */
- printf(" newvol");
+ ND_PRINT((ndo, " newvol"));
UINTOUT();
break;
case 521: /* List entry */
case 529: /* List entry U */
- printf(" count");
+ ND_PRINT((ndo, " count"));
INTOUT();
- printf(" nextindex");
+ ND_PRINT((ndo, " nextindex"));
INTOUT();
case 518: /* Get entry by ID N */
case 519: /* Get entry by name N */
- { unsigned long nservers, j;
+ { uint32_t nservers, j;
VECOUT(VLNAMEMAX);
- printf(" numservers");
- TRUNC(sizeof(int32_t));
- nservers = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
- printf(" %lu", nservers);
- printf(" servers");
+ ND_PRINT((ndo, " numservers"));
+ ND_TCHECK_4(bp);
+ nservers = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT((ndo, " %u", nservers));
+ ND_PRINT((ndo, " servers"));
for (i = 0; i < 13; i++) {
- TRUNC(sizeof(int32_t));
+ ND_TCHECK_4(bp);
if (i < nservers)
- printf(" %s",
- inet_ntoa(*((struct in_addr *) bp)));
- bp += sizeof(int32_t);
+ ND_PRINT((ndo, " %s",
+ intoa(((const struct in_addr *) bp)->s_addr)));
+ bp += sizeof(uint32_t);
}
- printf(" partitions");
+ ND_PRINT((ndo, " partitions"));
for (i = 0; i < 13; i++) {
- TRUNC(sizeof(int32_t));
- j = ntohl(*((int *) bp));
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
if (i < nservers && j <= 26)
- printf(" %c", 'a' + (int)j);
+ ND_PRINT((ndo, " %c", 'a' + j));
else if (i < nservers)
- printf(" %lu", j);
- bp += sizeof(int32_t);
+ ND_PRINT((ndo, " %u", j));
+ bp += sizeof(uint32_t);
}
- TRUNC(13 * sizeof(int32_t));
- bp += 13 * sizeof(int32_t);
- printf(" rwvol");
+ ND_TCHECK2(bp[0], 13 * sizeof(uint32_t));
+ bp += 13 * sizeof(uint32_t);
+ ND_PRINT((ndo, " rwvol"));
UINTOUT();
- printf(" rovol");
+ ND_PRINT((ndo, " rovol"));
UINTOUT();
- printf(" backup");
+ ND_PRINT((ndo, " backup"));
UINTOUT();
}
break;
case 526: /* Get entry by ID U */
case 527: /* Get entry by name U */
- { unsigned long nservers, j;
+ { uint32_t nservers, j;
VECOUT(VLNAMEMAX);
- printf(" numservers");
- TRUNC(sizeof(int32_t));
- nservers = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
- printf(" %lu", nservers);
- printf(" servers");
+ ND_PRINT((ndo, " numservers"));
+ ND_TCHECK_4(bp);
+ nservers = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT((ndo, " %u", nservers));
+ ND_PRINT((ndo, " servers"));
for (i = 0; i < 13; i++) {
if (i < nservers) {
- printf(" afsuuid");
+ ND_PRINT((ndo, " afsuuid"));
AFSUUIDOUT();
} else {
- TRUNC(44);
+ ND_TCHECK2(bp[0], 44);
bp += 44;
}
}
- TRUNC(4 * 13);
+ ND_TCHECK2(bp[0], 4 * 13);
bp += 4 * 13;
- printf(" partitions");
+ ND_PRINT((ndo, " partitions"));
for (i = 0; i < 13; i++) {
- TRUNC(sizeof(int32_t));
- j = ntohl(*((int *) bp));
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
if (i < nservers && j <= 26)
- printf(" %c", 'a' + (int)j);
+ ND_PRINT((ndo, " %c", 'a' + j));
else if (i < nservers)
- printf(" %lu", j);
- bp += sizeof(int32_t);
+ ND_PRINT((ndo, " %u", j));
+ bp += sizeof(uint32_t);
}
- TRUNC(13 * sizeof(int32_t));
- bp += 13 * sizeof(int32_t);
- printf(" rwvol");
+ ND_TCHECK2(bp[0], 13 * sizeof(uint32_t));
+ bp += 13 * sizeof(uint32_t);
+ ND_PRINT((ndo, " rwvol"));
UINTOUT();
- printf(" rovol");
+ ND_PRINT((ndo, " rovol"));
UINTOUT();
- printf(" backup");
+ ND_PRINT((ndo, " backup"));
UINTOUT();
}
default:
;
}
-
+
else {
/*
* Otherwise, just print out the return code
*/
- printf(" errcode");
+ ND_PRINT((ndo, " errcode"));
INTOUT();
}
return;
trunc:
- printf(" [|vldb]");
+ ND_PRINT((ndo, " [|vldb]"));
}
/*
*/
static void
-kauth_print(register const u_char *bp, int length)
+kauth_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length)
{
- int kauth_op;
- char s[AFSNAMEMAX];
+ uint32_t kauth_op;
if (length <= sizeof(struct rx_header))
return;
- if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) {
- goto trunc;
- }
-
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from kauth/kauth.rg
*/
- kauth_op = ntohl(*((int *) (bp + sizeof(struct rx_header))));
+ ND_TCHECK_4(bp + sizeof(struct rx_header));
+ kauth_op = EXTRACT_BE_U_4(bp + sizeof(struct rx_header));
- printf(" kauth");
+ ND_PRINT((ndo, " kauth"));
if (is_ubik(kauth_op)) {
- ubik_print(bp, length);
+ ubik_print(ndo, bp);
return;
}
- printf(" call %s", tok2str(kauth_req, "op#%d", kauth_op));
+ ND_PRINT((ndo, " 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 1: /* Authenticate old */
case 21: /* Authenticate */
case 22: /* Authenticate-V2 */
case 2: /* Change PW */
case 8: /* Get entry */
case 14: /* Unlock */
case 15: /* Lock status */
- printf(" principal");
+ ND_PRINT((ndo, " principal"));
STROUT(KANAMEMAX);
STROUT(KANAMEMAX);
break;
case 3: /* GetTicket-old */
case 23: /* GetTicket */
{
- int i;
- printf(" kvno");
+ uint32_t i;
+ ND_PRINT((ndo, " kvno"));
INTOUT();
- printf(" domain");
+ ND_PRINT((ndo, " domain"));
STROUT(KANAMEMAX);
- TRUNC(sizeof(int32_t));
- i = (int) ntohl(*((int *) bp));
- bp += sizeof(int32_t);
- TRUNC(i);
+ ND_TCHECK_4(bp);
+ i = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_TCHECK2(bp[0], i);
bp += i;
- printf(" principal");
+ ND_PRINT((ndo, " principal"));
STROUT(KANAMEMAX);
STROUT(KANAMEMAX);
break;
}
case 4: /* Set Password */
- printf(" principal");
+ ND_PRINT((ndo, " principal"));
STROUT(KANAMEMAX);
STROUT(KANAMEMAX);
- printf(" kvno");
+ ND_PRINT((ndo, " kvno"));
INTOUT();
break;
case 12: /* Get password */
- printf(" name");
+ ND_PRINT((ndo, " name"));
STROUT(KANAMEMAX);
break;
default:
return;
trunc:
- printf(" [|kauth]");
+ ND_PRINT((ndo, " [|kauth]"));
}
/*
*/
static void
-kauth_reply_print(register const u_char *bp, int length, int32_t opcode)
+kauth_reply_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length, uint32_t opcode)
{
- struct rx_header *rxh;
+ const struct rx_header *rxh;
+ uint8_t type;
if (length <= sizeof(struct rx_header))
return;
- rxh = (struct rx_header *) bp;
+ rxh = (const struct rx_header *) bp;
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from kauth/kauth.rg
*/
-
- printf(" kauth");
+
+ ND_PRINT((ndo, " kauth"));
if (is_ubik(opcode)) {
- ubik_reply_print(bp, length, opcode);
+ ubik_reply_print(ndo, bp, length, opcode);
return;
}
- printf(" reply %s", tok2str(kauth_req, "op#%d", opcode));
+ ND_PRINT((ndo, " reply %s", tok2str(kauth_req, "op#%u", opcode)));
+ type = EXTRACT_U_1(rxh->type);
bp += sizeof(struct rx_header);
/*
* If it was a data packet, interpret the response.
*/
- if (rxh->type == RX_PACKET_TYPE_DATA)
+ if (type == RX_PACKET_TYPE_DATA)
/* Well, no, not really. Leave this for later */
;
else {
/*
* Otherwise, just print out the return code
*/
- printf(" errcode");
+ ND_PRINT((ndo, " errcode"));
INTOUT();
}
return;
trunc:
- printf(" [|kauth]");
+ ND_PRINT((ndo, " [|kauth]"));
}
/*
*/
static void
-vol_print(register const u_char *bp, int length)
+vol_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length)
{
- int vol_op;
+ uint32_t vol_op;
if (length <= sizeof(struct rx_header))
return;
- if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) {
- goto trunc;
- }
-
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from volser/volint.xg
*/
- vol_op = ntohl(*((int *) (bp + sizeof(struct rx_header))));
+ ND_TCHECK_4(bp + sizeof(struct rx_header));
+ vol_op = EXTRACT_BE_U_4(bp + sizeof(struct rx_header));
- printf(" vol call %s", tok2str(vol_req, "op#%d", vol_op));
+ ND_PRINT((ndo, " vol call %s", tok2str(vol_req, "op#%u", vol_op)));
- /*
- * Normally there would be a switch statement here to decode the
- * arguments to the AFS call, but since I don't have access to
- * an AFS server (yet) and I'm not an AFS admin, I can't
- * test any of these calls. Leave this blank for now.
- */
+ bp += sizeof(struct rx_header) + 4;
+ switch (vol_op) {
+ case 100: /* Create volume */
+ ND_PRINT((ndo, " partition"));
+ UINTOUT();
+ ND_PRINT((ndo, " name"));
+ STROUT(AFSNAMEMAX);
+ ND_PRINT((ndo, " type"));
+ UINTOUT();
+ ND_PRINT((ndo, " parent"));
+ UINTOUT();
+ break;
+ case 101: /* Delete volume */
+ case 107: /* Get flags */
+ ND_PRINT((ndo, " trans"));
+ UINTOUT();
+ break;
+ case 102: /* Restore */
+ ND_PRINT((ndo, " totrans"));
+ UINTOUT();
+ ND_PRINT((ndo, " flags"));
+ UINTOUT();
+ break;
+ case 103: /* Forward */
+ ND_PRINT((ndo, " fromtrans"));
+ UINTOUT();
+ ND_PRINT((ndo, " fromdate"));
+ DATEOUT();
+ DESTSERVEROUT();
+ ND_PRINT((ndo, " desttrans"));
+ INTOUT();
+ break;
+ case 104: /* End trans */
+ ND_PRINT((ndo, " trans"));
+ UINTOUT();
+ break;
+ case 105: /* Clone */
+ ND_PRINT((ndo, " trans"));
+ UINTOUT();
+ ND_PRINT((ndo, " purgevol"));
+ UINTOUT();
+ ND_PRINT((ndo, " newtype"));
+ UINTOUT();
+ ND_PRINT((ndo, " newname"));
+ STROUT(AFSNAMEMAX);
+ break;
+ case 106: /* Set flags */
+ ND_PRINT((ndo, " trans"));
+ UINTOUT();
+ ND_PRINT((ndo, " flags"));
+ UINTOUT();
+ break;
+ case 108: /* Trans create */
+ ND_PRINT((ndo, " vol"));
+ UINTOUT();
+ ND_PRINT((ndo, " partition"));
+ UINTOUT();
+ ND_PRINT((ndo, " flags"));
+ UINTOUT();
+ break;
+ case 109: /* Dump */
+ case 655537: /* Get size */
+ ND_PRINT((ndo, " fromtrans"));
+ UINTOUT();
+ ND_PRINT((ndo, " fromdate"));
+ DATEOUT();
+ break;
+ case 110: /* Get n-th volume */
+ ND_PRINT((ndo, " index"));
+ UINTOUT();
+ break;
+ case 111: /* Set forwarding */
+ ND_PRINT((ndo, " tid"));
+ UINTOUT();
+ ND_PRINT((ndo, " newsite"));
+ UINTOUT();
+ break;
+ case 112: /* Get name */
+ case 113: /* Get status */
+ ND_PRINT((ndo, " tid"));
+ break;
+ case 114: /* Signal restore */
+ ND_PRINT((ndo, " name"));
+ STROUT(AFSNAMEMAX);
+ ND_PRINT((ndo, " type"));
+ UINTOUT();
+ ND_PRINT((ndo, " pid"));
+ UINTOUT();
+ ND_PRINT((ndo, " cloneid"));
+ UINTOUT();
+ break;
+ case 116: /* List volumes */
+ ND_PRINT((ndo, " partition"));
+ UINTOUT();
+ ND_PRINT((ndo, " flags"));
+ UINTOUT();
+ break;
+ case 117: /* Set id types */
+ ND_PRINT((ndo, " tid"));
+ UINTOUT();
+ ND_PRINT((ndo, " name"));
+ STROUT(AFSNAMEMAX);
+ ND_PRINT((ndo, " type"));
+ UINTOUT();
+ ND_PRINT((ndo, " pid"));
+ UINTOUT();
+ ND_PRINT((ndo, " clone"));
+ UINTOUT();
+ ND_PRINT((ndo, " backup"));
+ UINTOUT();
+ break;
+ case 119: /* Partition info */
+ ND_PRINT((ndo, " name"));
+ STROUT(AFSNAMEMAX);
+ break;
+ case 120: /* Reclone */
+ ND_PRINT((ndo, " 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((ndo, " partid"));
+ UINTOUT();
+ ND_PRINT((ndo, " volid"));
+ UINTOUT();
+ break;
+ case 123: /* Set date */
+ ND_PRINT((ndo, " tid"));
+ UINTOUT();
+ ND_PRINT((ndo, " date"));
+ DATEOUT();
+ break;
+ case 126: /* Set info */
+ ND_PRINT((ndo, " tid"));
+ UINTOUT();
+ break;
+ case 128: /* Forward multiple */
+ ND_PRINT((ndo, " fromtrans"));
+ UINTOUT();
+ ND_PRINT((ndo, " fromdate"));
+ DATEOUT();
+ {
+ uint32_t i, j;
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ for (i = 0; i < j; i++) {
+ DESTSERVEROUT();
+ if (i != j - 1)
+ ND_PRINT((ndo, ","));
+ }
+ if (j == 0)
+ ND_PRINT((ndo, " <none!>"));
+ }
+ break;
+ case 65538: /* Dump version 2 */
+ ND_PRINT((ndo, " fromtrans"));
+ UINTOUT();
+ ND_PRINT((ndo, " fromdate"));
+ DATEOUT();
+ ND_PRINT((ndo, " flags"));
+ UINTOUT();
+ break;
+ default:
+ ;
+ }
return;
trunc:
- printf(" [|vol]");
+ ND_PRINT((ndo, " [|vol]"));
}
/*
*/
static void
-vol_reply_print(register const u_char *bp, int length, int32_t opcode)
+vol_reply_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length, uint32_t opcode)
{
- struct rx_header *rxh;
+ const struct rx_header *rxh;
+ uint8_t type;
if (length <= sizeof(struct rx_header))
return;
- rxh = (struct rx_header *) bp;
+ rxh = (const struct rx_header *) bp;
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from volser/volint.xg
*/
-
- printf(" vol reply %s", tok2str(vol_req, "op#%d", opcode));
+ ND_PRINT((ndo, " vol reply %s", tok2str(vol_req, "op#%u", opcode)));
+
+ type = EXTRACT_U_1(rxh->type);
bp += sizeof(struct rx_header);
/*
* If it was a data packet, interpret the response.
*/
- if (rxh->type == RX_PACKET_TYPE_DATA)
- /* Well, no, not really. Leave this for later */
- ;
- else {
+ if (type == RX_PACKET_TYPE_DATA) {
+ switch (opcode) {
+ case 100: /* Create volume */
+ ND_PRINT((ndo, " volid"));
+ UINTOUT();
+ ND_PRINT((ndo, " trans"));
+ UINTOUT();
+ break;
+ case 104: /* End transaction */
+ UINTOUT();
+ break;
+ case 105: /* Clone */
+ ND_PRINT((ndo, " newvol"));
+ UINTOUT();
+ break;
+ case 107: /* Get flags */
+ UINTOUT();
+ break;
+ case 108: /* Transaction create */
+ ND_PRINT((ndo, " trans"));
+ UINTOUT();
+ break;
+ case 110: /* Get n-th volume */
+ ND_PRINT((ndo, " volume"));
+ UINTOUT();
+ ND_PRINT((ndo, " partition"));
+ UINTOUT();
+ break;
+ case 112: /* Get name */
+ STROUT(AFSNAMEMAX);
+ break;
+ case 113: /* Get status */
+ ND_PRINT((ndo, " volid"));
+ UINTOUT();
+ ND_PRINT((ndo, " nextuniq"));
+ UINTOUT();
+ ND_PRINT((ndo, " type"));
+ UINTOUT();
+ ND_PRINT((ndo, " parentid"));
+ UINTOUT();
+ ND_PRINT((ndo, " clone"));
+ UINTOUT();
+ ND_PRINT((ndo, " backup"));
+ UINTOUT();
+ ND_PRINT((ndo, " restore"));
+ UINTOUT();
+ ND_PRINT((ndo, " maxquota"));
+ UINTOUT();
+ ND_PRINT((ndo, " minquota"));
+ UINTOUT();
+ ND_PRINT((ndo, " owner"));
+ UINTOUT();
+ ND_PRINT((ndo, " create"));
+ DATEOUT();
+ ND_PRINT((ndo, " access"));
+ DATEOUT();
+ ND_PRINT((ndo, " update"));
+ DATEOUT();
+ ND_PRINT((ndo, " expire"));
+ DATEOUT();
+ ND_PRINT((ndo, " backup"));
+ DATEOUT();
+ ND_PRINT((ndo, " copy"));
+ DATEOUT();
+ break;
+ case 115: /* Old list partitions */
+ break;
+ case 116: /* List volumes */
+ case 121: /* List one volume */
+ {
+ uint32_t i, j;
+ ND_TCHECK_4(bp);
+ j = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ for (i = 0; i < j; i++) {
+ ND_PRINT((ndo, " name"));
+ VECOUT(32);
+ ND_PRINT((ndo, " volid"));
+ UINTOUT();
+ ND_PRINT((ndo, " type"));
+ bp += sizeof(uint32_t) * 21;
+ if (i != j - 1)
+ ND_PRINT((ndo, ","));
+ }
+ if (j == 0)
+ ND_PRINT((ndo, " <none!>"));
+ }
+ break;
+
+
+ default:
+ ;
+ }
+ } else {
/*
* Otherwise, just print out the return code
*/
- printf(" errcode");
+ ND_PRINT((ndo, " errcode"));
INTOUT();
}
return;
trunc:
- printf(" [|vol]");
+ ND_PRINT((ndo, " [|vol]"));
}
/*
*/
static void
-bos_print(register const u_char *bp, int length)
+bos_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length)
{
- int bos_op;
- char s[BOSNAMEMAX];
+ uint32_t bos_op;
if (length <= sizeof(struct rx_header))
return;
- if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) {
- goto trunc;
- }
-
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from bozo/bosint.xg
*/
- bos_op = ntohl(*((int *) (bp + sizeof(struct rx_header))));
+ ND_TCHECK_4(bp + sizeof(struct rx_header));
+ bos_op = EXTRACT_BE_U_4(bp + sizeof(struct rx_header));
- printf(" bos call %s", tok2str(bos_req, "op#%d", bos_op));
+ ND_PRINT((ndo, " bos call %s", tok2str(bos_req, "op#%u", bos_op)));
/*
* Decode some of the arguments to the BOS calls
switch (bos_op) {
case 80: /* Create B node */
- printf(" type");
+ ND_PRINT((ndo, " type"));
STROUT(BOSNAMEMAX);
- printf(" instance");
+ ND_PRINT((ndo, " instance"));
STROUT(BOSNAMEMAX);
break;
case 81: /* Delete B node */
case 82: /* Set status */
case 98: /* Set T status */
STROUT(BOSNAMEMAX);
- printf(" status");
+ ND_PRINT((ndo, " status"));
INTOUT();
break;
case 86: /* Get instance parm */
STROUT(BOSNAMEMAX);
- printf(" num");
+ ND_PRINT((ndo, " num"));
INTOUT();
break;
case 84: /* Enumerate instance */
break;
case 105: /* Install */
STROUT(BOSNAMEMAX);
- printf(" size");
+ ND_PRINT((ndo, " size"));
INTOUT();
- printf(" flags");
+ ND_PRINT((ndo, " flags"));
INTOUT();
- printf(" date");
+ ND_PRINT((ndo, " date"));
INTOUT();
break;
default:
return;
trunc:
- printf(" [|bos]");
+ ND_PRINT((ndo, " [|bos]"));
}
/*
*/
static void
-bos_reply_print(register const u_char *bp, int length, int32_t opcode)
+bos_reply_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length, uint32_t opcode)
{
- struct rx_header *rxh;
+ const struct rx_header *rxh;
+ uint8_t type;
if (length <= sizeof(struct rx_header))
return;
- rxh = (struct rx_header *) bp;
+ rxh = (const struct rx_header *) bp;
/*
* Print out the afs call we're invoking. The table used here was
* gleaned from volser/volint.xg
*/
-
- printf(" bos reply %s", tok2str(bos_req, "op#%d", opcode));
+ ND_PRINT((ndo, " bos reply %s", tok2str(bos_req, "op#%u", opcode)));
+
+ type = EXTRACT_U_1(rxh->type);
bp += sizeof(struct rx_header);
/*
* If it was a data packet, interpret the response.
*/
- if (rxh->type == RX_PACKET_TYPE_DATA)
+ if (type == RX_PACKET_TYPE_DATA)
/* Well, no, not really. Leave this for later */
;
else {
/*
* Otherwise, just print out the return code
*/
- printf(" errcode");
+ ND_PRINT((ndo, " errcode"));
INTOUT();
}
return;
trunc:
- printf(" [|bos]");
+ ND_PRINT((ndo, " [|bos]"));
}
/*
*/
static int
-is_ubik(u_int32_t opcode)
+is_ubik(uint32_t opcode)
{
if ((opcode >= VOTE_LOW && opcode <= VOTE_HIGH) ||
(opcode >= DISK_LOW && opcode <= DISK_HIGH))
*/
static void
-ubik_print(register const u_char *bp, int length)
+ubik_print(netdissect_options *ndo,
+ register const u_char *bp)
{
- int ubik_op;
- int32_t temp;
+ 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
*/
- ubik_op = ntohl(*((int *) (bp + sizeof(struct rx_header))));
+ /* 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 = EXTRACT_BE_U_4(bp + sizeof(struct rx_header));
- printf(" ubik call %s", tok2str(ubik_req, "op#%d", ubik_op));
+ ND_PRINT((ndo, " ubik call %s", tok2str(ubik_req, "op#%u", ubik_op)));
/*
* Decode some of the arguments to the Ubik calls
switch (ubik_op) {
case 10000: /* Beacon */
- TRUNC(4);
- temp = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
- printf(" syncsite %s", temp ? "yes" : "no");
- printf(" votestart");
+ ND_TCHECK_4(bp);
+ temp = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ ND_PRINT((ndo, " syncsite %s", temp ? "yes" : "no"));
+ ND_PRINT((ndo, " votestart"));
DATEOUT();
- printf(" dbversion");
+ ND_PRINT((ndo, " dbversion"));
UBIK_VERSIONOUT();
- printf(" tid");
+ ND_PRINT((ndo, " tid"));
UBIK_VERSIONOUT();
break;
case 10003: /* Get sync site */
- printf(" site");
+ ND_PRINT((ndo, " site"));
UINTOUT();
break;
case 20000: /* Begin */
case 20007: /* Abort */
case 20008: /* Release locks */
case 20010: /* Writev */
- printf(" tid");
+ ND_PRINT((ndo, " tid"));
UBIK_VERSIONOUT();
break;
case 20002: /* Lock */
- printf(" tid");
+ ND_PRINT((ndo, " tid"));
UBIK_VERSIONOUT();
- printf(" file");
+ ND_PRINT((ndo, " file"));
INTOUT();
- printf(" pos");
+ ND_PRINT((ndo, " pos"));
INTOUT();
- printf(" length");
+ ND_PRINT((ndo, " length"));
INTOUT();
- temp = ntohl(*((int *) bp));
- bp += sizeof(int32_t);
- tok2str(ubik_lock_types, "type %d", temp);
+ ND_TCHECK_4(bp);
+ temp = EXTRACT_BE_U_4(bp);
+ bp += sizeof(uint32_t);
+ tok2str(ubik_lock_types, "type %u", temp);
break;
case 20003: /* Write */
- printf(" tid");
+ ND_PRINT((ndo, " tid"));
UBIK_VERSIONOUT();
- printf(" file");
+ ND_PRINT((ndo, " file"));
INTOUT();
- printf(" pos");
+ ND_PRINT((ndo, " pos"));
INTOUT();
break;
case 20005: /* Get file */
- printf(" file");
+ ND_PRINT((ndo, " file"));
INTOUT();
break;
case 20006: /* Send file */
- printf(" file");
+ ND_PRINT((ndo, " file"));
INTOUT();
- printf(" length");
+ ND_PRINT((ndo, " length"));
INTOUT();
- printf(" dbversion");
+ ND_PRINT((ndo, " dbversion"));
UBIK_VERSIONOUT();
break;
case 20009: /* Truncate */
- printf(" tid");
+ ND_PRINT((ndo, " tid"));
UBIK_VERSIONOUT();
- printf(" file");
+ ND_PRINT((ndo, " file"));
INTOUT();
- printf(" length");
+ ND_PRINT((ndo, " length"));
INTOUT();
break;
case 20012: /* Set version */
- printf(" tid");
+ ND_PRINT((ndo, " tid"));
UBIK_VERSIONOUT();
- printf(" oldversion");
+ ND_PRINT((ndo, " oldversion"));
UBIK_VERSIONOUT();
- printf(" newversion");
+ ND_PRINT((ndo, " newversion"));
UBIK_VERSIONOUT();
break;
default:
return;
trunc:
- printf(" [|ubik]");
+ ND_PRINT((ndo, " [|ubik]"));
}
/*
*/
static void
-ubik_reply_print(register const u_char *bp, int length, int32_t opcode)
+ubik_reply_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length, uint32_t opcode)
{
- struct rx_header *rxh;
+ const struct rx_header *rxh;
+ uint8_t type;
if (length < sizeof(struct rx_header))
return;
- rxh = (struct rx_header *) bp;
+ rxh = (const struct rx_header *) bp;
/*
* Print out the ubik call we're invoking. This table was gleaned
* from ubik/ubik_int.xg
*/
- printf(" ubik reply %s", tok2str(ubik_req, "op#%d", opcode));
+ ND_PRINT((ndo, " ubik reply %s", tok2str(ubik_req, "op#%u", opcode)));
+ type = EXTRACT_U_1(rxh->type);
bp += sizeof(struct rx_header);
/*
* If it was a data packet, print out the arguments to the Ubik calls
*/
-
- if (rxh->type == RX_PACKET_TYPE_DATA)
+
+ if (type == RX_PACKET_TYPE_DATA)
switch (opcode) {
case 10000: /* Beacon */
- printf(" vote no");
+ ND_PRINT((ndo, " vote no"));
break;
case 20004: /* Get version */
- printf(" dbversion");
+ ND_PRINT((ndo, " dbversion"));
UBIK_VERSIONOUT();
break;
default:
;
}
-
+
/*
* Otherwise, print out "yes" it it was a beacon packet (because
* that's how yes votes are returned, go figure), otherwise
else
switch (opcode) {
case 10000: /* Beacon */
- printf(" vote yes until");
+ ND_PRINT((ndo, " vote yes until"));
DATEOUT();
break;
default:
- printf(" errcode");
+ ND_PRINT((ndo, " errcode"));
INTOUT();
}
return;
trunc:
- printf(" [|ubik]");
+ ND_PRINT((ndo, " [|ubik]"));
+}
+
+/*
+ * Handle RX ACK packets.
+ */
+
+static void
+rx_ack_print(netdissect_options *ndo,
+ register 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_TCHECK2(bp[0], 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((ndo, " bufspace %u maxskew %d",
+ EXTRACT_BE_U_2(rxa->bufferSpace),
+ EXTRACT_BE_U_2(rxa->maxSkew)));
+
+ firstPacket = EXTRACT_BE_U_4(rxa->firstPacket);
+ ND_PRINT((ndo, " first %u serial %u reason %s",
+ firstPacket, EXTRACT_BE_U_4(rxa->serial),
+ tok2str(rx_ack_reasons, "#%u", EXTRACT_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 = EXTRACT_U_1(rxa->nAcks);
+ if (nAcks != 0) {
+
+ ND_TCHECK2(bp[0], nAcks);
+
+ /*
+ * Sigh, this is gross, but it seems to work to collapse
+ * ranges correctly.
+ */
+
+ for (i = 0, start = last = -2; i < nAcks; i++)
+ if (EXTRACT_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((ndo, " 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
+ * seperated from the last number by
+ * a comma.
+ */
+
+ else if (last != i - 1) {
+ ND_PRINT((ndo, ",%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 seperated
+ * 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((ndo, "-%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((ndo, "-%u", firstPacket + i - 1));
+
+ /*
+ * Same as above, just without comments
+ */
+
+ for (i = 0, start = last = -2; i < nAcks; i++)
+ if (EXTRACT_U_1(bp + i) == RX_ACK_TYPE_NACK) {
+ if (last == -2) {
+ ND_PRINT((ndo, " nacked %u", firstPacket + i));
+ start = i;
+ } else if (last != i - 1) {
+ ND_PRINT((ndo, ",%u", firstPacket + i));
+ start = i;
+ }
+ last = i;
+ } else if (last == i - 1 && start != last)
+ ND_PRINT((ndo, "-%u", firstPacket + i - 1));
+
+ if (last == i - 1 && start != last)
+ ND_PRINT((ndo, "-%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((ndo, " ifmtu"));
+ UINTOUT();
+
+ TRUNCRET(4);
+ ND_PRINT((ndo, " maxmtu"));
+ UINTOUT();
+
+ TRUNCRET(4);
+ ND_PRINT((ndo, " rwind"));
+ UINTOUT();
+
+ TRUNCRET(4);
+ ND_PRINT((ndo, " maxpackets"));
+ UINTOUT();
+ }
+
+ return;
+
+trunc:
+ ND_PRINT((ndo, " [|ack]"));
}
+#undef TRUNCRET
projects / tcpdump / blobdiff