]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-rx.c
More UNALIGNED_MEM{CPY,CMP} on IP addresses.
[tcpdump] / print-rx.c
index b48da39fcd8a4d5f09f7a0f8871cbafd1273465c..72c4822b8e18394f1cf482dbd234ab4552852b27 100644 (file)
  * Ken Hornstein <[email protected]>
  */
 
-#ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-rx.c,v 1.35 2003-01-25 23:49:04 guy Exp $";
-#endif
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -50,11 +45,89 @@ static const char rcsid[] =
 #include "addrtoname.h"
 #include "extract.h"
 
-#include "rx.h"
-
 #include "ip.h"
 
-static struct tok rx_types[] = {
+#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 {
+       u_int32_t epoch;
+       u_int32_t cid;
+       u_int32_t callNumber;
+       u_int32_t seq;
+       u_int32_t serial;
+       u_int8_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
+       u_int8_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
+       u_int8_t userStatus;
+       u_int8_t securityIndex;
+       u_int16_t spare;                /* How clever: even though the AFS */
+       u_int16_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 {
+       u_int16_t bufferSpace;          /* Number of packet buffers available */
+       u_int16_t maxSkew;              /* Max diff between ack'd packet and */
+                                       /* highest packet received */
+       u_int32_t firstPacket;          /* The first packet in ack list */
+       u_int32_t previousPacket;       /* Previous packet recv'd (obsolete) */
+       u_int32_t serial;               /* # of packet that prompted the ack */
+       u_int8_t reason;                /* Reason for acknowledgement */
+       u_int8_t nAcks;                 /* Number of acknowledgements */
+       u_int8_t acks[RX_MAXACKS];      /* Up to RX_MAXACKS acknowledgements */
+};
+
+/*
+ * 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" },
@@ -68,7 +141,7 @@ static struct tok rx_types[] = {
        { 0,                            NULL },
 };
 
-static struct double_tok {
+static const struct double_tok {
        int flag;               /* Rx flag */
        int packetType;         /* Packet type */
        const char *s;          /* Flag string */
@@ -82,7 +155,7 @@ static struct double_tok {
        { 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" },
@@ -118,10 +191,16 @@ static struct tok fs_req[] = {
        { 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" },
@@ -137,10 +216,13 @@ static struct tok cb_req[] = {
        { 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" },
@@ -163,10 +245,11 @@ static struct tok pt_req[] = {
        { 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" },
@@ -204,7 +287,7 @@ static struct tok vldb_req[] = {
        { 0,            NULL },
 };
 
-static struct tok kauth_req[] = {
+static const struct tok kauth_req[] = {
        { 1,            "auth-old" },
        { 21,           "authenticate" },
        { 22,           "authenticate-v2" },
@@ -226,7 +309,7 @@ static struct tok kauth_req[] = {
        { 0,            NULL },
 };
 
-static struct tok vol_req[] = {
+static const struct tok vol_req[] = {
        { 100,          "create-volume" },
        { 101,          "delete-volume" },
        { 102,          "restore" },
@@ -256,10 +339,13 @@ static struct tok vol_req[] = {
        { 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" },
@@ -300,13 +386,15 @@ static struct tok bos_req[] = {
        { 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" },
@@ -325,18 +413,18 @@ static struct tok ubik_req[] = {
 };
 
 #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" },
@@ -345,7 +433,7 @@ static struct tok ubik_lock_types[] = {
 
 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" },
@@ -366,7 +454,7 @@ static struct tok afs_fs_errors[] = {
  * Reasons for acknowledging a packet
  */
 
-static struct tok rx_ack_reasons[] = {
+static const struct tok rx_ack_reasons[] = {
        { 1,            "ack requested" },
        { 2,            "duplicate packet" },
        { 3,            "out of sequence" },
@@ -638,7 +726,7 @@ rx_cache_find(const struct rx_header *rxh, const struct ip *ip, int sport,
                        *opcode = rxent->opcode;
                        return(1);
                }
-               if (++i > RX_CACHE_SIZE)
+               if (++i >= RX_CACHE_SIZE)
                        i = 0;
        } while (i != rx_cache_hint);
 
@@ -688,6 +776,13 @@ rx_cache_find(const struct rx_header *rxh, const struct ip *ip, int sport,
                        printf(" %lu", i); \
                }
 
+#define UINT64OUT() { u_int64_t i; \
+                       TCHECK2(bp[0], sizeof(u_int64_t)); \
+                       i = EXTRACT_64BITS(bp); \
+                       bp += sizeof(u_int64_t); \
+                       printf(" %" PRIu64, i); \
+               }
+
 #define DATEOUT() { time_t t; struct tm *tm; char str[256]; \
                        TCHECK2(bp[0], sizeof(int32_t)); \
                        t = (time_t) EXTRACT_32BITS(bp); \
@@ -763,6 +858,17 @@ rx_cache_find(const struct rx_header *rxh, const struct ip *ip, int sport,
                        printf("\""); \
                }
 
+#define DESTSERVEROUT() { unsigned long n1, n2, n3; \
+                       TCHECK2(bp[0], sizeof(int32_t) * 3); \
+                       n1 = EXTRACT_32BITS(bp); \
+                       bp += sizeof(int32_t); \
+                       n2 = EXTRACT_32BITS(bp); \
+                       bp += sizeof(int32_t); \
+                       n3 = EXTRACT_32BITS(bp); \
+                       bp += sizeof(int32_t); \
+                       printf(" server %d:%d:%d", (int) n1, (int) n2, (int) n3); \
+               }
+
 /*
  * Handle calls to the AFS file service (fs)
  */
@@ -890,6 +996,7 @@ fs_print(register const u_char *bp, int length)
                        STROUT(AFSNAMEMAX);
                        break;
                case 155:       /* Bulk stat */
+               case 65536:     /* Inline bulk stat */
                {
                        unsigned long j;
                        TCHECK2(bp[0], 4);
@@ -904,6 +1011,26 @@ fs_print(register const u_char *bp, int length)
                        if (j == 0)
                                printf(" <none!>");
                }
+               case 65537:     /* Fetch data 64 */
+                       FIDOUT();
+                       printf(" offset");
+                       UINT64OUT();
+                       printf(" length");
+                       UINT64OUT();
+                       break;
+               case 65538:     /* Store data 64 */
+                       FIDOUT();
+                       STOREATTROUT();
+                       printf(" offset");
+                       UINT64OUT();
+                       printf(" length");
+                       UINT64OUT();
+                       printf(" flen");
+                       UINT64OUT();
+                       break;
+               case 65541:    /* CallBack rx conn address */
+                       printf(" addr");
+                       UINTOUT();
                default:
                        ;
        }
@@ -1013,6 +1140,7 @@ acl_print(u_char *s, int maxsize, u_char *end)
        int pos, neg, acl;
        int n, i;
        char *user;
+       char fmt[1024];
 
        if ((user = (char *)malloc(maxsize)) == NULL)
                return;
@@ -1046,7 +1174,8 @@ acl_print(u_char *s, int maxsize, u_char *end)
                printf("a");
 
        for (i = 0; i < pos; i++) {
-               if (sscanf((char *) s, "%s %d\n%n", user, &acl, &n) != 2)
+               snprintf(fmt, sizeof(fmt), "%%%ds %%d\n%%n", maxsize - 1);
+               if (sscanf((char *) s, fmt, user, &acl, &n) != 2)
                        goto finish;
                s += n;
                printf(" +{");
@@ -1059,7 +1188,8 @@ acl_print(u_char *s, int maxsize, u_char *end)
        }
 
        for (i = 0; i < neg; i++) {
-               if (sscanf((char *) s, "%s %d\n%n", user, &acl, &n) != 2)
+               snprintf(fmt, sizeof(fmt), "%%%ds %%d\n%%n", maxsize - 1);
+               if (sscanf((char *) s, fmt, user, &acl, &n) != 2)
                        goto finish;
                s += n;
                printf(" -{");
@@ -1264,6 +1394,7 @@ prot_print(register const u_char *bp, int length)
                case 517:       /* List owned */
                case 518:       /* Get CPS2 */
                case 519:       /* Get host CPS */
+               case 530:       /* List super groups */
                        printf(" id");
                        INTOUT();
                        break;
@@ -1912,13 +2043,176 @@ vol_print(register const u_char *bp, int length)
 
        printf(" vol call %s", tok2str(vol_req, "op#%d", 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 */
+                       printf(" partition");
+                       UINTOUT();
+                       printf(" name");
+                       STROUT(AFSNAMEMAX);
+                       printf(" type");
+                       UINTOUT();
+                       printf(" parent");
+                       UINTOUT();
+                       break;
+               case 101:       /* Delete volume */
+               case 107:       /* Get flags */
+                       printf(" trans");
+                       UINTOUT();
+                       break;
+               case 102:       /* Restore */
+                       printf(" totrans");
+                       UINTOUT();
+                       printf(" flags");
+                       UINTOUT();
+                       break;
+               case 103:       /* Forward */
+                       printf(" fromtrans");
+                       UINTOUT();
+                       printf(" fromdate");
+                       DATEOUT();
+                       DESTSERVEROUT();
+                       printf(" desttrans");
+                       INTOUT();
+                       break;
+               case 104:       /* End trans */
+                       printf(" trans");
+                       UINTOUT();
+                       break;
+               case 105:       /* Clone */
+                       printf(" trans");
+                       UINTOUT();
+                       printf(" purgevol");
+                       UINTOUT();
+                       printf(" newtype");
+                       UINTOUT();
+                       printf(" newname");
+                       STROUT(AFSNAMEMAX);
+                       break;
+               case 106:       /* Set flags */
+                       printf(" trans");
+                       UINTOUT();
+                       printf(" flags");
+                       UINTOUT();
+                       break;
+               case 108:       /* Trans create */
+                       printf(" vol");
+                       UINTOUT();
+                       printf(" partition");
+                       UINTOUT();
+                       printf(" flags");
+                       UINTOUT();
+                       break;
+               case 109:       /* Dump */
+               case 655537:    /* Get size */
+                       printf(" fromtrans");
+                       UINTOUT();
+                       printf(" fromdate");
+                       DATEOUT();
+                       break;
+               case 110:       /* Get n-th volume */
+                       printf(" index");
+                       UINTOUT();
+                       break;
+               case 111:       /* Set forwarding */
+                       printf(" tid");
+                       UINTOUT();
+                       printf(" newsite");
+                       UINTOUT();
+                       break;
+               case 112:       /* Get name */
+               case 113:       /* Get status */
+                       printf(" tid");
+                       break;
+               case 114:       /* Signal restore */
+                       printf(" name");
+                       STROUT(AFSNAMEMAX);
+                       printf(" type");
+                       UINTOUT();
+                       printf(" pid");
+                       UINTOUT();
+                       printf(" cloneid");
+                       UINTOUT();
+                       break;
+               case 116:       /* List volumes */
+                       printf(" partition");
+                       UINTOUT();
+                       printf(" flags");
+                       UINTOUT();
+                       break;
+               case 117:       /* Set id types */
+                       printf(" tid");
+                       UINTOUT();
+                       printf(" name");
+                       STROUT(AFSNAMEMAX);
+                       printf(" type");
+                       UINTOUT();
+                       printf(" pid");
+                       UINTOUT();
+                       printf(" clone");
+                       UINTOUT();
+                       printf(" backup");
+                       UINTOUT();
+                       break;
+               case 119:       /* Partition info */
+                       printf(" name");
+                       STROUT(AFSNAMEMAX);
+                       break;
+               case 120:       /* Reclone */
+                       printf(" 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 */
+                       printf(" partid");
+                       UINTOUT();
+                       printf(" volid");
+                       UINTOUT();
+                       break;
+               case 123:       /* Set date */
+                       printf(" tid");
+                       UINTOUT();
+                       printf(" date");
+                       DATEOUT();
+                       break;
+               case 126:       /* Set info */
+                       printf(" tid");
+                       UINTOUT();
+                       break;
+               case 128:       /* Forward multiple */
+                       printf(" fromtrans");
+                       UINTOUT();
+                       printf(" fromdate");
+                       DATEOUT();
+                       {
+                               unsigned long i, j;
+                               TCHECK2(bp[0], 4);
+                               j = EXTRACT_32BITS(bp);
+                               bp += sizeof(int32_t);
+                               for (i = 0; i < j; i++) {
+                                       DESTSERVEROUT();
+                                       if (i != j - 1)
+                                               printf(",");
+                               }
+                               if (j == 0)
+                                       printf(" <none!>");
+                       }
+                       break;
+               case 65538:     /* Dump version 2 */
+                       printf(" fromtrans");
+                       UINTOUT();
+                       printf(" fromdate");
+                       DATEOUT();
+                       printf(" flags");
+                       UINTOUT();
+                       break;
+               default:
+                       ;
+       }
        return;
 
 trunc:
@@ -1952,10 +2246,100 @@ vol_reply_print(register const u_char *bp, int length, int32_t opcode)
         * 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 (rxh->type == RX_PACKET_TYPE_DATA) {
+               switch (opcode) {
+                       case 100:       /* Create volume */
+                               printf(" volid");
+                               UINTOUT();
+                               printf(" trans");
+                               UINTOUT();
+                               break;
+                       case 104:       /* End transaction */
+                               UINTOUT();
+                               break;
+                       case 105:       /* Clone */
+                               printf(" newvol");
+                               UINTOUT();
+                               break;
+                       case 107:       /* Get flags */
+                               UINTOUT();
+                               break;
+                       case 108:       /* Transaction create */
+                               printf(" trans");
+                               UINTOUT();
+                               break;
+                       case 110:       /* Get n-th volume */
+                               printf(" volume");
+                               UINTOUT();
+                               printf(" partition");
+                               UINTOUT();
+                               break;
+                       case 112:       /* Get name */
+                               STROUT(AFSNAMEMAX);
+                               break;
+                       case 113:       /* Get status */
+                               printf(" volid");
+                               UINTOUT();
+                               printf(" nextuniq");
+                               UINTOUT();
+                               printf(" type");
+                               UINTOUT();
+                               printf(" parentid");
+                               UINTOUT();
+                               printf(" clone");
+                               UINTOUT();
+                               printf(" backup");
+                               UINTOUT();
+                               printf(" restore");
+                               UINTOUT();
+                               printf(" maxquota");
+                               UINTOUT();
+                               printf(" minquota");
+                               UINTOUT();
+                               printf(" owner");
+                               UINTOUT();
+                               printf(" create");
+                               DATEOUT();
+                               printf(" access");
+                               DATEOUT();
+                               printf(" update");
+                               DATEOUT();
+                               printf(" expire");
+                               DATEOUT();
+                               printf(" backup");
+                               DATEOUT();
+                               printf(" copy");
+                               DATEOUT();
+                               break;
+                       case 115:       /* Old list partitions */
+                               break;
+                       case 116:       /* List volumes */
+                       case 121:       /* List one volume */
+                               {
+                                       unsigned long i, j;
+                                       TCHECK2(bp[0], 4);
+                                       j = EXTRACT_32BITS(bp);
+                                       bp += sizeof(int32_t);
+                                       for (i = 0; i < j; i++) {
+                                               printf(" name");
+                                               VECOUT(32);
+                                               printf(" volid");
+                                               UINTOUT();
+                                               printf(" type");
+                                               bp += sizeof(int32_t) * 21;
+                                               if (i != j - 1)
+                                                       printf(",");
+                                       }
+                                       if (j == 0)
+                                               printf(" <none!>");
+                               }
+                               break;
+
+
+                       default:
+                               ;
+               }
+       } else {
                /*
                 * Otherwise, just print out the return code
                 */
@@ -2299,6 +2683,7 @@ rx_ack_print(register const u_char *bp, int length)
 {
        struct rx_ackPacket *rxa;
        int i, start, last;
+       u_int32_t firstPacket;
 
        if (length < (int)sizeof(struct rx_header))
                return;
@@ -2327,8 +2712,9 @@ rx_ack_print(register const u_char *bp, int length)
                       (int) EXTRACT_16BITS(&rxa->bufferSpace),
                       (int) EXTRACT_16BITS(&rxa->maxSkew));
 
+       firstPacket = EXTRACT_32BITS(&rxa->firstPacket);
        printf(" first %d serial %d reason %s",
-              EXTRACT_32BITS(&rxa->firstPacket), EXTRACT_32BITS(&rxa->serial),
+              firstPacket, EXTRACT_32BITS(&rxa->serial),
               tok2str(rx_ack_reasons, "#%d", (int) rxa->reason));
 
        /*
@@ -2371,7 +2757,7 @@ rx_ack_print(register const u_char *bp, int length)
 
                                if (last == -2) {
                                        printf(" acked %d",
-                                              rxa->firstPacket + i);
+                                              firstPacket + i);
                                        start = i;
                                }
 
@@ -2385,7 +2771,7 @@ rx_ack_print(register const u_char *bp, int length)
                                 */
 
                                else if (last != i - 1) {
-                                       printf(",%d", rxa->firstPacket + i);
+                                       printf(",%d", firstPacket + i);
                                        start = i;
                                }
 
@@ -2411,7 +2797,7 @@ rx_ack_print(register const u_char *bp, int length)
                                 * range.
                                 */
                        } else if (last == i - 1 && start != last)
-                               printf("-%d", rxa->firstPacket + i - 1);
+                               printf("-%d", firstPacket + i - 1);
 
                /*
                 * So, what's going on here?  We ran off the end of the
@@ -2425,7 +2811,7 @@ rx_ack_print(register const u_char *bp, int length)
                 */
 
                if (last == i - 1 && start != last)
-                       printf("-%d", rxa->firstPacket + i - 1);
+                       printf("-%d", firstPacket + i - 1);
 
                /*
                 * Same as above, just without comments
@@ -2435,18 +2821,18 @@ rx_ack_print(register const u_char *bp, int length)
                        if (rxa->acks[i] == RX_ACK_TYPE_NACK) {
                                if (last == -2) {
                                        printf(" nacked %d",
-                                              rxa->firstPacket + i);
+                                              firstPacket + i);
                                        start = i;
                                } else if (last != i - 1) {
-                                       printf(",%d", rxa->firstPacket + i);
+                                       printf(",%d", firstPacket + i);
                                        start = i;
                                }
                                last = i;
                        } else if (last == i - 1 && start != last)
-                               printf("-%d", rxa->firstPacket + i - 1);
+                               printf("-%d", firstPacket + i - 1);
 
                if (last == i - 1 && start != last)
-                       printf("-%d", rxa->firstPacket + i - 1);
+                       printf("-%d", firstPacket + i - 1);
 
                bp += rxa->nAcks;
        }