* 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.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
#include "netdissect.h"
#include "addrtoname.h"
#define PRSFS_ADMINISTER 64 /* Change ACL's */
struct rx_header {
- uint32_t epoch;
- uint32_t cid;
- uint32_t callNumber;
- uint32_t seq;
- uint32_t serial;
- uint8_t type;
+ 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_DEBUG 8
#define RX_PACKET_TYPE_PARAMS 9
#define RX_PACKET_TYPE_VERSION 13
- uint8_t flags;
+ nd_uint8_t flags;
#define RX_CLIENT_INITIATED 1
#define RX_REQUEST_ACK 2
#define RX_LAST_PACKET 4
#define RX_FREE_PACKET 16
#define RX_SLOW_START_OK 32
#define RX_JUMBO_PACKET 32
- uint8_t userStatus;
- uint8_t securityIndex;
- uint16_t spare; /* How clever: even though the AFS */
- uint16_t serviceId; /* header files indicate that the */
+ 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! */
if (ndo->ndo_vflag > 1)
ND_PRINT((ndo, " cid %08x call# %d",
- (int) EXTRACT_32BITS(&rxh->cid),
- (int) EXTRACT_32BITS(&rxh->callNumber)));
+ (int) EXTRACT_BE_32BITS(&rxh->cid),
+ (int) EXTRACT_BE_32BITS(&rxh->callNumber)));
ND_PRINT((ndo, " seq %d ser %d",
- (int) EXTRACT_32BITS(&rxh->seq),
- (int) EXTRACT_32BITS(&rxh->serial)));
+ (int) EXTRACT_BE_32BITS(&rxh->seq),
+ (int) EXTRACT_BE_32BITS(&rxh->serial)));
if (ndo->ndo_vflag > 2)
ND_PRINT((ndo, " secindex %d serviceid %hu",
(int) rxh->securityIndex,
- EXTRACT_16BITS(&rxh->serviceId)));
+ EXTRACT_BE_16BITS(&rxh->serviceId)));
if (ndo->ndo_vflag > 1)
for (i = 0; i < NUM_RX_FLAGS; i++) {
*/
if (rxh->type == RX_PACKET_TYPE_DATA &&
- EXTRACT_32BITS(&rxh->seq) == 1 &&
+ EXTRACT_BE_32BITS(&rxh->seq) == 1 &&
rxh->flags & RX_CLIENT_INITIATED) {
/*
*/
} else if (((rxh->type == RX_PACKET_TYPE_DATA &&
- EXTRACT_32BITS(&rxh->seq) == 1) ||
+ EXTRACT_BE_32BITS(&rxh->seq) == 1) ||
rxh->type == RX_PACKET_TYPE_ABORT) &&
(rxh->flags & RX_CLIENT_INITIATED) == 0 &&
rx_cache_find(rxh, (const struct ip *) bp2,
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_32BITS(&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 = EXTRACT_32BITS(bp + sizeof(struct rx_header));
+ rxent->serviceId = EXTRACT_BE_32BITS(&rxh->serviceId);
+ rxent->opcode = EXTRACT_BE_32BITS(bp + sizeof(struct rx_header));
}
/*
{
int i;
struct rx_cache_entry *rxent;
- uint32_t clip = ip->ip_dst.s_addr;
- uint32_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_32BITS(&rxh->callNumber) &&
rxent->client.s_addr == clip &&
rxent->server.s_addr == sip &&
- rxent->serviceId == rxh->serviceId &&
+ rxent->serviceId == EXTRACT_BE_32BITS(&rxh->serviceId) &&
rxent->dport == sport) {
/* We got a match! */
#define FIDOUT() { unsigned long n1, n2, n3; \
ND_TCHECK2(bp[0], sizeof(int32_t) * 3); \
- n1 = EXTRACT_32BITS(bp); \
+ n1 = EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
- n2 = EXTRACT_32BITS(bp); \
+ n2 = EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
- n3 = EXTRACT_32BITS(bp); \
+ n3 = EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
ND_PRINT((ndo, " fid %d/%d/%d", (int) n1, (int) n2, (int) n3)); \
}
#define STROUT(MAX) { unsigned int _i; \
ND_TCHECK2(bp[0], sizeof(int32_t)); \
- _i = EXTRACT_32BITS(bp); \
+ _i = EXTRACT_BE_32BITS(bp); \
if (_i > (MAX)) \
goto trunc; \
bp += sizeof(int32_t); \
#define INTOUT() { int _i; \
ND_TCHECK2(bp[0], sizeof(int32_t)); \
- _i = (int) EXTRACT_32BITS(bp); \
+ _i = (int) EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
ND_PRINT((ndo, " %d", _i)); \
}
#define UINTOUT() { unsigned long _i; \
ND_TCHECK2(bp[0], sizeof(int32_t)); \
- _i = EXTRACT_32BITS(bp); \
+ _i = EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
ND_PRINT((ndo, " %lu", _i)); \
}
#define UINT64OUT() { uint64_t _i; \
ND_TCHECK2(bp[0], sizeof(uint64_t)); \
- _i = EXTRACT_64BITS(bp); \
+ _i = EXTRACT_BE_64BITS(bp); \
bp += sizeof(uint64_t); \
ND_PRINT((ndo, " %" PRIu64, _i)); \
}
#define DATEOUT() { time_t _t; struct tm *tm; char str[256]; \
ND_TCHECK2(bp[0], sizeof(int32_t)); \
- _t = (time_t) EXTRACT_32BITS(bp); \
+ _t = (time_t) EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
tm = localtime(&_t); \
strftime(str, 256, "%Y/%m/%d %H:%M:%S", tm); \
#define STOREATTROUT() { unsigned long mask, _i; \
ND_TCHECK2(bp[0], (sizeof(int32_t)*6)); \
- mask = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
+ mask = EXTRACT_BE_32BITS(bp); bp += sizeof(int32_t); \
if (mask) ND_PRINT((ndo, " StoreStatus")); \
if (mask & 1) { ND_PRINT((ndo, " date")); DATEOUT(); } \
else bp += sizeof(int32_t); \
- _i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
+ _i = EXTRACT_BE_32BITS(bp); bp += sizeof(int32_t); \
if (mask & 2) ND_PRINT((ndo, " owner %lu", _i)); \
- _i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
+ _i = EXTRACT_BE_32BITS(bp); bp += sizeof(int32_t); \
if (mask & 4) ND_PRINT((ndo, " group %lu", _i)); \
- _i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
+ _i = EXTRACT_BE_32BITS(bp); bp += sizeof(int32_t); \
if (mask & 8) ND_PRINT((ndo, " mode %lo", _i & 07777)); \
- _i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
+ _i = EXTRACT_BE_32BITS(bp); bp += sizeof(int32_t); \
if (mask & 16) ND_PRINT((ndo, " segsize %lu", _i)); \
/* undocumented in 3.3 docu */ \
if (mask & 1024) ND_PRINT((ndo, " fsync")); \
#define UBIK_VERSIONOUT() {int32_t epoch; int32_t counter; \
ND_TCHECK2(bp[0], sizeof(int32_t) * 2); \
- epoch = EXTRACT_32BITS(bp); \
+ epoch = EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
- counter = EXTRACT_32BITS(bp); \
+ counter = EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
ND_PRINT((ndo, " %d.%d", epoch, counter)); \
}
#define AFSUUIDOUT() {uint32_t temp; int _i; \
ND_TCHECK2(bp[0], 11*sizeof(uint32_t)); \
- temp = EXTRACT_32BITS(bp); \
+ temp = EXTRACT_BE_32BITS(bp); \
bp += sizeof(uint32_t); \
ND_PRINT((ndo, " %08x", temp)); \
- temp = EXTRACT_32BITS(bp); \
+ temp = EXTRACT_BE_32BITS(bp); \
bp += sizeof(uint32_t); \
ND_PRINT((ndo, "%04x", temp)); \
- temp = EXTRACT_32BITS(bp); \
+ temp = EXTRACT_BE_32BITS(bp); \
bp += sizeof(uint32_t); \
ND_PRINT((ndo, "%04x", temp)); \
for (_i = 0; _i < 8; _i++) { \
- temp = EXTRACT_32BITS(bp); \
+ temp = EXTRACT_BE_32BITS(bp); \
bp += sizeof(uint32_t); \
ND_PRINT((ndo, "%02x", (unsigned char) temp)); \
} \
ND_TCHECK2(bp[0], (MAX) * sizeof(int32_t)); \
sp = s; \
for (k = 0; k < (MAX); k++) { \
- *sp++ = (u_char) EXTRACT_32BITS(bp); \
+ *sp++ = (u_char) EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
} \
s[(MAX)] = '\0'; \
#define DESTSERVEROUT() { unsigned long n1, n2, n3; \
ND_TCHECK2(bp[0], sizeof(int32_t) * 3); \
- n1 = EXTRACT_32BITS(bp); \
+ n1 = EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
- n2 = EXTRACT_32BITS(bp); \
+ n2 = EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
- n3 = EXTRACT_32BITS(bp); \
+ n3 = EXTRACT_BE_32BITS(bp); \
bp += sizeof(int32_t); \
ND_PRINT((ndo, " server %d:%d:%d", (int) n1, (int) n2, (int) n3)); \
}
* gleaned from fsint/afsint.xg
*/
- fs_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
+ fs_op = EXTRACT_BE_32BITS(bp + sizeof(struct rx_header));
ND_PRINT((ndo, " fs call %s", tok2str(fs_req, "op#%d", fs_op)));
char a[AFSOPAQUEMAX+1];
FIDOUT();
ND_TCHECK2(bp[0], 4);
- i = EXTRACT_32BITS(bp);
+ i = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
ND_TCHECK2(bp[0], i);
i = min(AFSOPAQUEMAX, i);
{
unsigned long j;
ND_TCHECK2(bp[0], 4);
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
for (i = 0; i < j; i++) {
{
char a[AFSOPAQUEMAX+1];
ND_TCHECK2(bp[0], 4);
- i = EXTRACT_32BITS(bp);
+ i = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
ND_TCHECK2(bp[0], i);
i = min(AFSOPAQUEMAX, i);
* Otherwise, just print out the return code
*/
ND_TCHECK2(bp[0], sizeof(int32_t));
- i = (int) EXTRACT_32BITS(bp);
+ i = (int) EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
ND_PRINT((ndo, " error %s", tok2str(afs_fs_errors, "#%d", i)));
*
* "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
*/
* gleaned from fsint/afscbint.xg
*/
- cb_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
+ cb_op = EXTRACT_BE_32BITS(bp + sizeof(struct rx_header));
ND_PRINT((ndo, " cb call %s", tok2str(cb_req, "op#%d", cb_op)));
{
unsigned long j, t;
ND_TCHECK2(bp[0], 4);
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
for (i = 0; i < j; i++) {
if (j == 0)
ND_PRINT((ndo, " <none!>"));
- j = EXTRACT_32BITS(bp);
+ ND_TCHECK_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
if (j != 0)
ND_PRINT((ndo, " expires"));
DATEOUT();
ND_TCHECK2(bp[0], 4);
- t = EXTRACT_32BITS(bp);
+ t = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
tok2str(cb_types, "type %d", t);
}
* gleaned from ptserver/ptint.xg
*/
- pt_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
+ pt_op = EXTRACT_BE_32BITS(bp + sizeof(struct rx_header));
ND_PRINT((ndo, " pt"));
{
unsigned long j;
ND_TCHECK2(bp[0], 4);
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
/*
unsigned long j;
ND_PRINT((ndo, " ids:"));
ND_TCHECK2(bp[0], 4);
- i = EXTRACT_32BITS(bp);
+ i = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
for (j = 0; j < i; j++)
INTOUT();
unsigned long j;
ND_PRINT((ndo, " ids:"));
ND_TCHECK2(bp[0], 4);
- i = EXTRACT_32BITS(bp);
+ i = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
for (j = 0; j < i; j++)
INTOUT();
{
unsigned long j;
ND_TCHECK2(bp[0], 4);
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
/*
{
unsigned long j;
ND_TCHECK2(bp[0], 4);
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
for (i = 0; i < j; i++) {
INTOUT();
* gleaned from vlserver/vldbint.xg
*/
- vldb_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
+ vldb_op = EXTRACT_BE_32BITS(bp + sizeof(struct rx_header));
ND_PRINT((ndo, " vldb"));
ND_PRINT((ndo, " volid"));
INTOUT();
ND_TCHECK2(bp[0], sizeof(int32_t));
- i = EXTRACT_32BITS(bp);
+ i = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
if (i <= 2)
ND_PRINT((ndo, " type %s", voltype[i]));
ND_PRINT((ndo, " volid"));
INTOUT();
ND_TCHECK2(bp[0], sizeof(int32_t));
- i = EXTRACT_32BITS(bp);
+ i = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
if (i <= 2)
ND_PRINT((ndo, " type %s", voltype[i]));
bp += sizeof(int32_t);
ND_PRINT((ndo, " numservers"));
ND_TCHECK2(bp[0], sizeof(int32_t));
- nservers = EXTRACT_32BITS(bp);
+ nservers = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
ND_PRINT((ndo, " %lu", nservers));
ND_PRINT((ndo, " servers"));
ND_PRINT((ndo, " partitions"));
for (i = 0; i < 8; i++) {
ND_TCHECK2(bp[0], sizeof(int32_t));
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
if (i < nservers && j <= 26)
ND_PRINT((ndo, " %c", 'a' + (int)j));
else if (i < nservers)
VECOUT(VLNAMEMAX);
ND_PRINT((ndo, " numservers"));
ND_TCHECK2(bp[0], sizeof(int32_t));
- nservers = EXTRACT_32BITS(bp);
+ nservers = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
ND_PRINT((ndo, " %lu", nservers));
ND_PRINT((ndo, " servers"));
ND_PRINT((ndo, " partitions"));
for (i = 0; i < 13; i++) {
ND_TCHECK2(bp[0], sizeof(int32_t));
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
if (i < nservers && j <= 26)
ND_PRINT((ndo, " %c", 'a' + (int)j));
else if (i < nservers)
VECOUT(VLNAMEMAX);
ND_PRINT((ndo, " numservers"));
ND_TCHECK2(bp[0], sizeof(int32_t));
- nservers = EXTRACT_32BITS(bp);
+ nservers = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
ND_PRINT((ndo, " %lu", nservers));
ND_PRINT((ndo, " servers"));
ND_PRINT((ndo, " partitions"));
for (i = 0; i < 13; i++) {
ND_TCHECK2(bp[0], sizeof(int32_t));
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
if (i < nservers && j <= 26)
ND_PRINT((ndo, " %c", 'a' + (int)j));
else if (i < nservers)
* gleaned from kauth/kauth.rg
*/
- kauth_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
+ kauth_op = EXTRACT_BE_32BITS(bp + sizeof(struct rx_header));
ND_PRINT((ndo, " kauth"));
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 */
ND_PRINT((ndo, " domain"));
STROUT(KANAMEMAX);
ND_TCHECK2(bp[0], sizeof(int32_t));
- i = (int) EXTRACT_32BITS(bp);
+ i = (int) EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
ND_TCHECK2(bp[0], i);
bp += i;
* gleaned from volser/volint.xg
*/
- vol_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
+ vol_op = EXTRACT_BE_32BITS(bp + sizeof(struct rx_header));
ND_PRINT((ndo, " vol call %s", tok2str(vol_req, "op#%d", vol_op)));
{
unsigned long i, j;
ND_TCHECK2(bp[0], 4);
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
for (i = 0; i < j; i++) {
DESTSERVEROUT();
{
unsigned long i, j;
ND_TCHECK2(bp[0], 4);
- j = EXTRACT_32BITS(bp);
+ j = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
for (i = 0; i < j; i++) {
ND_PRINT((ndo, " name"));
* gleaned from bozo/bosint.xg
*/
- bos_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
+ bos_op = EXTRACT_BE_32BITS(bp + sizeof(struct rx_header));
ND_PRINT((ndo, " bos call %s", tok2str(bos_req, "op#%d", bos_op)));
* gleaned from ubik/ubik_int.xg
*/
- ubik_op = EXTRACT_32BITS(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_32BITS(bp + sizeof(struct rx_header));
ND_PRINT((ndo, " ubik call %s", tok2str(ubik_req, "op#%d", ubik_op)));
switch (ubik_op) {
case 10000: /* Beacon */
ND_TCHECK2(bp[0], 4);
- temp = EXTRACT_32BITS(bp);
+ temp = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
ND_PRINT((ndo, " syncsite %s", temp ? "yes" : "no"));
ND_PRINT((ndo, " votestart"));
INTOUT();
ND_PRINT((ndo, " length"));
INTOUT();
- temp = EXTRACT_32BITS(bp);
+ ND_TCHECK_32BITS(bp);
+ temp = EXTRACT_BE_32BITS(bp);
bp += sizeof(int32_t);
tok2str(ubik_lock_types, "type %d", temp);
break;
if (ndo->ndo_vflag > 2)
ND_PRINT((ndo, " bufspace %d maxskew %d",
- (int) EXTRACT_16BITS(&rxa->bufferSpace),
- (int) EXTRACT_16BITS(&rxa->maxSkew)));
+ (int) EXTRACT_BE_16BITS(&rxa->bufferSpace),
+ (int) EXTRACT_BE_16BITS(&rxa->maxSkew)));
- firstPacket = EXTRACT_32BITS(&rxa->firstPacket);
+ firstPacket = EXTRACT_BE_32BITS(&rxa->firstPacket);
ND_PRINT((ndo, " first %d serial %d reason %s",
- firstPacket, EXTRACT_32BITS(&rxa->serial),
+ firstPacket, EXTRACT_BE_32BITS(&rxa->serial),
tok2str(rx_ack_reasons, "#%d", (int) rxa->reason)));
/*
projects / tcpdump / blobdiff