diff options
Diffstat (limited to 'contrib/tcpdump/print-wb.c')
-rw-r--r-- | contrib/tcpdump/print-wb.c | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/contrib/tcpdump/print-wb.c b/contrib/tcpdump/print-wb.c deleted file mode 100644 index e28697a..0000000 --- a/contrib/tcpdump/print-wb.c +++ /dev/null @@ -1,444 +0,0 @@ -/* - * Copyright (c) 1993, 1994, 1995, 1996 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that: (1) source code distributions - * retain the above copyright notice and this paragraph in its entirety, (2) - * distributions including binary code include the above copyright notice and - * this paragraph in its entirety in the documentation or other materials - * provided with the distribution, and (3) all advertising materials mentioning - * features or use of this software display the following acknowledgement: - * ``This product includes software developed by the University of California, - * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of - * the University nor the names of its contributors may 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. - */ - -#ifndef lint -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 -#include "config.h" -#endif - -#include <tcpdump-stdinc.h> - -#include <stdio.h> - -#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. - * For instance, multiline objects are sent piecewise. - */ -#define MAXFRAMESIZE 1024 - -/* - * Multiple drawing ops can be sent in one packet. Each one starts on a - * an even multiple of DOP_ALIGN bytes, which must be a power of two. - */ -#define DOP_ALIGN 4 -#define DOP_ROUNDUP(x) ((((int)(x)) + (DOP_ALIGN - 1)) & ~(DOP_ALIGN - 1)) -#define DOP_NEXT(d)\ - ((struct dophdr *)((u_char *)(d) + \ - DOP_ROUNDUP(EXTRACT_16BITS(&(d)->dh_len) + sizeof(*(d))))) - -/* - * Format of the whiteboard packet header. - * The transport level header. - */ -struct pkt_hdr { - u_int32_t ph_src; /* site id of source */ - u_int32_t ph_ts; /* time stamp (for skew computation) */ - u_int16_t ph_version; /* version number */ - u_char ph_type; /* message type */ - u_char ph_flags; /* message flags */ -}; - -/* Packet types */ -#define PT_DRAWOP 0 /* drawing operation */ -#define PT_ID 1 /* announcement packet */ -#define PT_RREQ 2 /* repair request */ -#define PT_RREP 3 /* repair reply */ -#define PT_KILL 4 /* terminate participation */ -#define PT_PREQ 5 /* page vector request */ -#define PT_PREP 7 /* page vector reply */ - -#ifdef PF_USER -#undef PF_USER /* {Digital,Tru64} UNIX define this, alas */ -#endif - -/* flags */ -#define PF_USER 0x01 /* hint that packet has interactive data */ -#define PF_VIS 0x02 /* only visible ops wanted */ - -struct PageID { - u_int32_t p_sid; /* session id of initiator */ - u_int32_t p_uid; /* page number */ -}; - -struct dophdr { - u_int32_t dh_ts; /* sender's timestamp */ - u_int16_t dh_len; /* body length */ - u_char dh_flags; - u_char dh_type; /* body type */ - /* body follows */ -}; -/* - * Drawing op sub-types. - */ -#define DT_RECT 2 -#define DT_LINE 3 -#define DT_ML 4 -#define DT_DEL 5 -#define DT_XFORM 6 -#define DT_ELL 7 -#define DT_CHAR 8 -#define DT_STR 9 -#define DT_NOP 10 -#define DT_PSCODE 11 -#define DT_PSCOMP 12 -#define DT_REF 13 -#define DT_SKIP 14 -#define DT_HOLE 15 -#define DT_MAXTYPE 15 - -/* - * A drawing operation. - */ -struct pkt_dop { - struct PageID pd_page; /* page that operations apply to */ - u_int32_t pd_sseq; /* start sequence number */ - u_int32_t pd_eseq; /* end sequence number */ - /* drawing ops follow */ -}; - -/* - * A repair request. - */ -struct pkt_rreq { - u_int32_t pr_id; /* source id of drawops to be repaired */ - struct PageID pr_page; /* page of drawops */ - u_int32_t pr_sseq; /* start seqno */ - u_int32_t pr_eseq; /* end seqno */ -}; - -/* - * A repair reply. - */ -struct pkt_rrep { - u_int32_t pr_id; /* original site id of ops */ - struct pkt_dop pr_dop; - /* drawing ops follow */ -}; - -struct id_off { - u_int32_t id; - u_int32_t off; -}; - -struct pgstate { - u_int32_t slot; - struct PageID page; - u_int16_t nid; - u_int16_t rsvd; - /* seqptr's */ -}; - -/* - * An announcement packet. - */ -struct pkt_id { - u_int32_t pi_mslot; - struct PageID pi_mpage; /* current page */ - struct pgstate pi_ps; - /* seqptr's */ - /* null-terminated site name */ -}; - -struct pkt_preq { - struct PageID pp_page; - u_int32_t pp_low; - u_int32_t pp_high; -}; - -struct pkt_prep { - u_int32_t pp_n; /* size of pageid array */ - /* pgstate's follow */ -}; - -static int -wb_id(const struct pkt_id *id, u_int len) -{ - int i; - const char *cp; - const struct id_off *io; - char c; - int nid; - - printf(" wb-id:"); - if (len < sizeof(*id) || (u_char *)(id + 1) > snapend) - return (-1); - len -= sizeof(*id); - - printf(" %u/%s:%u (max %u/%s:%u) ", - EXTRACT_32BITS(&id->pi_ps.slot), - ipaddr_string(&id->pi_ps.page.p_sid), - EXTRACT_32BITS(&id->pi_ps.page.p_uid), - EXTRACT_32BITS(&id->pi_mslot), - ipaddr_string(&id->pi_mpage.p_sid), - EXTRACT_32BITS(&id->pi_mpage.p_uid)); - - nid = EXTRACT_16BITS(&id->pi_ps.nid); - len -= sizeof(*io) * nid; - io = (struct id_off *)(id + 1); - cp = (char *)(io + nid); - if ((u_char *)cp + len <= snapend) { - putchar('"'); - (void)fn_print((u_char *)cp, (u_char *)cp + len); - putchar('"'); - } - - c = '<'; - for (i = 0; i < nid && (u_char *)(io + 1) <= snapend; ++io, ++i) { - printf("%c%s:%u", - c, ipaddr_string(&io->id), EXTRACT_32BITS(&io->off)); - c = ','; - } - if (i >= nid) { - printf(">"); - return (0); - } - return (-1); -} - -static int -wb_rreq(const struct pkt_rreq *rreq, u_int len) -{ - printf(" wb-rreq:"); - if (len < sizeof(*rreq) || (u_char *)(rreq + 1) > snapend) - return (-1); - - printf(" please repair %s %s:%u<%u:%u>", - ipaddr_string(&rreq->pr_id), - ipaddr_string(&rreq->pr_page.p_sid), - EXTRACT_32BITS(&rreq->pr_page.p_uid), - EXTRACT_32BITS(&rreq->pr_sseq), - EXTRACT_32BITS(&rreq->pr_eseq)); - return (0); -} - -static int -wb_preq(const struct pkt_preq *preq, u_int len) -{ - printf(" wb-preq:"); - if (len < sizeof(*preq) || (u_char *)(preq + 1) > snapend) - return (-1); - - printf(" need %u/%s:%u", - EXTRACT_32BITS(&preq->pp_low), - ipaddr_string(&preq->pp_page.p_sid), - EXTRACT_32BITS(&preq->pp_page.p_uid)); - return (0); -} - -static int -wb_prep(const struct pkt_prep *prep, u_int len) -{ - int n; - const struct pgstate *ps; - const u_char *ep = snapend; - - printf(" wb-prep:"); - if (len < sizeof(*prep)) { - return (-1); - } - n = EXTRACT_32BITS(&prep->pp_n); - ps = (const struct pgstate *)(prep + 1); - while (--n >= 0 && (u_char *)(ps + 1) <= ep) { - const struct id_off *io, *ie; - char c = '<'; - - printf(" %u/%s:%u", - EXTRACT_32BITS(&ps->slot), - ipaddr_string(&ps->page.p_sid), - EXTRACT_32BITS(&ps->page.p_uid)); - io = (struct id_off *)(ps + 1); - for (ie = io + ps->nid; io < ie && (u_char *)(io + 1) <= ep; ++io) { - printf("%c%s:%u", c, ipaddr_string(&io->id), - EXTRACT_32BITS(&io->off)); - c = ','; - } - printf(">"); - ps = (struct pgstate *)io; - } - return ((u_char *)ps <= ep? 0 : -1); -} - - -const char *dopstr[] = { - "dop-0!", - "dop-1!", - "RECT", - "LINE", - "ML", - "DEL", - "XFORM", - "ELL", - "CHAR", - "STR", - "NOP", - "PSCODE", - "PSCOMP", - "REF", - "SKIP", - "HOLE", -}; - -static int -wb_dops(const struct dophdr *dh, u_int32_t ss, u_int32_t es) -{ - printf(" <"); - for ( ; ss <= es; ++ss) { - register int t = dh->dh_type; - - if (t > DT_MAXTYPE) - printf(" dop-%d!", t); - else { - printf(" %s", dopstr[t]); - if (t == DT_SKIP || t == DT_HOLE) { - u_int32_t ts = EXTRACT_32BITS(&dh->dh_ts); - printf("%d", ts - ss + 1); - if (ss > ts || ts > es) { - printf("[|]"); - if (ts < ss) - return (0); - } - ss = ts; - } - } - dh = DOP_NEXT(dh); - if ((u_char *)dh > snapend) { - printf("[|wb]"); - break; - } - } - printf(" >"); - return (0); -} - -static int -wb_rrep(const struct pkt_rrep *rrep, u_int len) -{ - const struct pkt_dop *dop = &rrep->pr_dop; - - printf(" wb-rrep:"); - if (len < sizeof(*rrep) || (u_char *)(rrep + 1) > snapend) - return (-1); - len -= sizeof(*rrep); - - printf(" for %s %s:%u<%u:%u>", - ipaddr_string(&rrep->pr_id), - ipaddr_string(&dop->pd_page.p_sid), - 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), - EXTRACT_32BITS(&dop->pd_sseq), - EXTRACT_32BITS(&dop->pd_eseq))); - return (0); -} - -static int -wb_drawop(const struct pkt_dop *dop, u_int len) -{ - printf(" wb-dop:"); - if (len < sizeof(*dop) || (u_char *)(dop + 1) > snapend) - return (-1); - len -= sizeof(*dop); - - printf(" %s:%u<%u:%u>", - ipaddr_string(&dop->pd_page.p_sid), - 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), - EXTRACT_32BITS(&dop->pd_sseq), - EXTRACT_32BITS(&dop->pd_eseq))); - return (0); -} - -/* - * Print whiteboard multicast packets. - */ -void -wb_print(register const void *hdr, register u_int len) -{ - register const struct pkt_hdr *ph; - - ph = (const struct pkt_hdr *)hdr; - if (len < sizeof(*ph) || (u_char *)(ph + 1) > snapend) { - printf("[|wb]"); - return; - } - len -= sizeof(*ph); - - if (ph->ph_flags) - printf("*"); - switch (ph->ph_type) { - - case PT_KILL: - printf(" wb-kill"); - return; - - case PT_ID: - if (wb_id((struct pkt_id *)(ph + 1), len) >= 0) - return; - break; - - case PT_RREQ: - if (wb_rreq((struct pkt_rreq *)(ph + 1), len) >= 0) - return; - break; - - case PT_RREP: - if (wb_rrep((struct pkt_rrep *)(ph + 1), len) >= 0) - return; - break; - - case PT_DRAWOP: - if (wb_drawop((struct pkt_dop *)(ph + 1), len) >= 0) - return; - break; - - case PT_PREQ: - if (wb_preq((struct pkt_preq *)(ph + 1), len) >= 0) - return; - break; - - case PT_PREP: - if (wb_prep((struct pkt_prep *)(ph + 1), len) >= 0) - return; - break; - - default: - printf(" wb-%d!", ph->ph_type); - return; - } -} |