tcpdump.1 is generated from tcpdump.1.in.

[tcpdump] / print-wb.c

diff --git a/print-wb.c b/print-wb.c
index b13e18c6f05bf359f73cd04d5759743657dd8729..3ae604ffed0b791de6eaf59824fed3ab172a261d 100644 (file)
--- a/print-wb.c
+++ b/print-wb.c
@@ -20,8 +20,8 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-wb.c,v 1.28 2002-09-05 00:00:24 guy Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-wb.c,v 1.33 2004-03-24 04:06:28 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -34,8 +34,10 @@ static const char rcsid[] =
 
 #include "interface.h"
 #include "addrtoname.h"
+#include "extract.h"
 
 /* XXX need to add byte-swapping macros! */
+/* XXX - you mean like the ones in "extract.h"? */
 
 /*
  * Largest packet size.  Everything should fit within this space.
@@ -51,7 +53,7 @@ static const char rcsid[] =
 #define DOP_ROUNDUP(x) ((((int)(x)) + (DOP_ALIGN - 1)) & ~(DOP_ALIGN - 1))
 #define DOP_NEXT(d)\
        ((struct dophdr *)((u_char *)(d) + \
-                         DOP_ROUNDUP(ntohs((d)->dh_len) + sizeof(*(d)))))
+                         DOP_ROUNDUP(EXTRACT_16BITS(&(d)->dh_len) + sizeof(*(d)))))
 
 /*
  * Format of the whiteboard packet header.
@@ -60,7 +62,7 @@ static const char rcsid[] =
 struct pkt_hdr {
        u_int32_t ph_src;               /* site id of source */
        u_int32_t ph_ts;                /* time stamp (for skew computation) */
-       u_short ph_version;     /* version number */
+       u_int16_t ph_version;   /* version number */
        u_char ph_type;         /* message type */
        u_char ph_flags;        /* message flags */
 };
@@ -89,7 +91,7 @@ struct PageID {
 
 struct dophdr {
        u_int32_t  dh_ts;               /* sender's timestamp */
-       u_short dh_len;         /* body length */
+       u_int16_t       dh_len;         /* body length */
        u_char  dh_flags;
        u_char  dh_type;        /* body type */
        /* body follows */
@@ -150,8 +152,8 @@ struct id_off {
 struct pgstate {
        u_int32_t slot;
        struct PageID page;
-       u_short nid;
-       u_short rsvd;
+       u_int16_t nid;
+       u_int16_t rsvd;
         /* seqptr's */
 };
 
@@ -192,14 +194,14 @@ wb_id(const struct pkt_id *id, u_int len)
        len -= sizeof(*id);
 
        printf(" %u/%s:%u (max %u/%s:%u) ",
-              (u_int32_t)ntohl(id->pi_ps.slot),
+              EXTRACT_32BITS(&id->pi_ps.slot),
               ipaddr_string(&id->pi_ps.page.p_sid),
-              (u_int32_t)ntohl(id->pi_ps.page.p_uid),
-              (u_int32_t)ntohl(id->pi_mslot),
+              EXTRACT_32BITS(&id->pi_ps.page.p_uid),
+              EXTRACT_32BITS(&id->pi_mslot),
               ipaddr_string(&id->pi_mpage.p_sid),
-              (u_int32_t)ntohl(id->pi_mpage.p_uid));
+              EXTRACT_32BITS(&id->pi_mpage.p_uid));
 
-       nid = ntohs(id->pi_ps.nid);
+       nid = EXTRACT_16BITS(&id->pi_ps.nid);
        len -= sizeof(*io) * nid;
        io = (struct id_off *)(id + 1);
        cp = (char *)(io + nid);
@@ -210,9 +212,9 @@ wb_id(const struct pkt_id *id, u_int len)
        }
 
        c = '<';
-       for (i = 0; i < nid && (u_char *)io < snapend; ++io, ++i) {
+       for (i = 0; i < nid && (u_char *)(io + 1) <= snapend; ++io, ++i) {
                printf("%c%s:%u",
-                   c, ipaddr_string(&io->id), (u_int32_t)ntohl(io->off));
+                   c, ipaddr_string(&io->id), EXTRACT_32BITS(&io->off));
                c = ',';
        }
        if (i >= nid) {
@@ -232,9 +234,9 @@ wb_rreq(const struct pkt_rreq *rreq, u_int len)
        printf(" please repair %s %s:%u<%u:%u>",
               ipaddr_string(&rreq->pr_id),
               ipaddr_string(&rreq->pr_page.p_sid),
-              (u_int32_t)ntohl(rreq->pr_page.p_uid),
-              (u_int32_t)ntohl(rreq->pr_sseq),
-              (u_int32_t)ntohl(rreq->pr_eseq));
+              EXTRACT_32BITS(&rreq->pr_page.p_uid),
+              EXTRACT_32BITS(&rreq->pr_sseq),
+              EXTRACT_32BITS(&rreq->pr_eseq));
        return (0);
 }
 
@@ -246,9 +248,9 @@ wb_preq(const struct pkt_preq *preq, u_int len)
                return (-1);
 
        printf(" need %u/%s:%u",
-              (u_int32_t)ntohl(preq->pp_low),
+              EXTRACT_32BITS(&preq->pp_low),
               ipaddr_string(&preq->pp_page.p_sid),
-              (u_int32_t)ntohl(preq->pp_page.p_uid));
+              EXTRACT_32BITS(&preq->pp_page.p_uid));
        return (0);
 }
 
@@ -263,20 +265,20 @@ wb_prep(const struct pkt_prep *prep, u_int len)
        if (len < sizeof(*prep)) {
                return (-1);
        }
-       n = ntohl(prep->pp_n);
+       n = EXTRACT_32BITS(&prep->pp_n);
        ps = (const struct pgstate *)(prep + 1);
-       while (--n >= 0 && (u_char *)ps < ep) {
+       while (--n >= 0 && (u_char *)(ps + 1) <= ep) {
                const struct id_off *io, *ie;
                char c = '<';
 
                printf(" %u/%s:%u",
-                   (u_int32_t)ntohl(ps->slot),
+                   EXTRACT_32BITS(&ps->slot),
                    ipaddr_string(&ps->page.p_sid),
-                   (u_int32_t)ntohl(ps->page.p_uid));
+                   EXTRACT_32BITS(&ps->page.p_uid));
                io = (struct id_off *)(ps + 1);
-               for (ie = io + ps->nid; io < ie && (u_char *)io < ep; ++io) {
+               for (ie = io + ps->nid; io < ie && (u_char *)(io + 1) <= ep; ++io) {
                        printf("%c%s:%u", c, ipaddr_string(&io->id),
-                           (u_int32_t)ntohl(io->off));
+                           EXTRACT_32BITS(&io->off));
                        c = ',';
                }
                printf(">");
@@ -317,7 +319,7 @@ wb_dops(const struct dophdr *dh, u_int32_t ss, u_int32_t es)
                else {
                        printf(" %s", dopstr[t]);
                        if (t == DT_SKIP || t == DT_HOLE) {
-                               u_int32_t ts = ntohl(dh->dh_ts);
+                               u_int32_t ts = EXTRACT_32BITS(&dh->dh_ts);
                                printf("%d", ts - ss + 1);
                                if (ss > ts || ts > es) {
                                        printf("[|]");
@@ -350,13 +352,14 @@ wb_rrep(const struct pkt_rrep *rrep, u_int len)
        printf(" for %s %s:%u<%u:%u>",
            ipaddr_string(&rrep->pr_id),
            ipaddr_string(&dop->pd_page.p_sid),
-           (u_int32_t)ntohl(dop->pd_page.p_uid),
-           (u_int32_t)ntohl(dop->pd_sseq),
-           (u_int32_t)ntohl(dop->pd_eseq));
+           EXTRACT_32BITS(&dop->pd_page.p_uid),
+           EXTRACT_32BITS(&dop->pd_sseq),
+           EXTRACT_32BITS(&dop->pd_eseq));
 
        if (vflag)
                return (wb_dops((const struct dophdr *)(dop + 1),
-                   ntohl(dop->pd_sseq), ntohl(dop->pd_eseq)));
+                   EXTRACT_32BITS(&dop->pd_sseq),
+                   EXTRACT_32BITS(&dop->pd_eseq)));
        return (0);
 }
 
@@ -370,13 +373,14 @@ wb_drawop(const struct pkt_dop *dop, u_int len)
 
        printf(" %s:%u<%u:%u>",
            ipaddr_string(&dop->pd_page.p_sid),
-           (u_int32_t)ntohl(dop->pd_page.p_uid),
-           (u_int32_t)ntohl(dop->pd_sseq),
-           (u_int32_t)ntohl(dop->pd_eseq));
+           EXTRACT_32BITS(&dop->pd_page.p_uid),
+           EXTRACT_32BITS(&dop->pd_sseq),
+           EXTRACT_32BITS(&dop->pd_eseq));
 
        if (vflag)
                return (wb_dops((const struct dophdr *)(dop + 1),
-                               ntohl(dop->pd_sseq), ntohl(dop->pd_eseq)));
+                               EXTRACT_32BITS(&dop->pd_sseq),
+                               EXTRACT_32BITS(&dop->pd_eseq)));
        return (0);
 }