File: | src/usr.sbin/tcpdump/print-wb.c |
Warning: | line 338, column 2 Value stored to 'len' is never read |
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1 | /* $OpenBSD: print-wb.c,v 1.11 2018/07/06 05:47:22 dlg Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1993, 1994, 1995, 1996 |
5 | * The Regents of the University of California. All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that: (1) source code distributions |
9 | * retain the above copyright notice and this paragraph in its entirety, (2) |
10 | * distributions including binary code include the above copyright notice and |
11 | * this paragraph in its entirety in the documentation or other materials |
12 | * provided with the distribution, and (3) all advertising materials mentioning |
13 | * features or use of this software display the following acknowledgement: |
14 | * ``This product includes software developed by the University of California, |
15 | * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
16 | * the University nor the names of its contributors may be used to endorse |
17 | * or promote products derived from this software without specific prior |
18 | * written permission. |
19 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
20 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
21 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
22 | */ |
23 | |
24 | #include <sys/types.h> |
25 | #include <sys/time.h> |
26 | |
27 | #include <netinet/in.h> |
28 | |
29 | #include <stdio.h> |
30 | |
31 | #include "interface.h" |
32 | #include "addrtoname.h" |
33 | |
34 | /* XXX need to add byte-swapping macros! */ |
35 | |
36 | /* |
37 | * Largest packet size. Everything should fit within this space. |
38 | * For instance, multiline objects are sent piecewise. |
39 | */ |
40 | #define MAXFRAMESIZE1024 1024 |
41 | |
42 | /* |
43 | * Multiple drawing ops can be sent in one packet. Each one starts on a |
44 | * an even multiple of DOP_ALIGN bytes, which must be a power of two. |
45 | */ |
46 | #define DOP_ALIGN4 4 |
47 | #define DOP_ROUNDUP(x)((((int)(x)) + (4 - 1)) & ~(4 - 1)) ((((int)(x)) + (DOP_ALIGN4 - 1)) & ~(DOP_ALIGN4 - 1)) |
48 | #define DOP_NEXT(d)((struct dophdr *)((u_char *)(d) + ((((int)((__uint16_t)(__builtin_constant_p ((d)->dh_len) ? (__uint16_t)(((__uint16_t)((d)->dh_len) & 0xffU) << 8 | ((__uint16_t)((d)->dh_len) & 0xff00U) >> 8) : __swap16md((d)->dh_len)) + sizeof( *(d)))) + (4 - 1)) & ~(4 - 1))))\ |
49 | ((struct dophdr *)((u_char *)(d) + \ |
50 | DOP_ROUNDUP(ntohs((d)->dh_len) + sizeof(*(d)))((((int)((__uint16_t)(__builtin_constant_p((d)->dh_len) ? ( __uint16_t)(((__uint16_t)((d)->dh_len) & 0xffU) << 8 | ((__uint16_t)((d)->dh_len) & 0xff00U) >> 8) : __swap16md((d)->dh_len)) + sizeof(*(d)))) + (4 - 1)) & ~(4 - 1)))) |
51 | |
52 | /* |
53 | * Format of the whiteboard packet header. |
54 | * The transport level header. |
55 | */ |
56 | struct pkt_hdr { |
57 | u_int32_t ph_src; /* site id of source */ |
58 | u_int32_t ph_ts; /* time stamp (for skew computation) */ |
59 | u_short ph_version; /* version number */ |
60 | u_char ph_type; /* message type */ |
61 | u_char ph_flags; /* message flags */ |
62 | }; |
63 | |
64 | /* Packet types */ |
65 | #define PT_DRAWOP0 0 /* drawing operation */ |
66 | #define PT_ID1 1 /* announcement packet */ |
67 | #define PT_RREQ2 2 /* repair request */ |
68 | #define PT_RREP3 3 /* repair reply */ |
69 | #define PT_KILL4 4 /* terminate participation */ |
70 | #define PT_PREQ5 5 /* page vector request */ |
71 | #define PT_PREP7 7 /* page vector reply */ |
72 | |
73 | /* flags */ |
74 | #define PF_USER0x01 0x01 /* hint that packet has interactive data */ |
75 | #define PF_VIS0x02 0x02 /* only visible ops wanted */ |
76 | |
77 | struct PageID { |
78 | u_int32_t p_sid; /* session id of initiator */ |
79 | u_int32_t p_uid; /* page number */ |
80 | }; |
81 | |
82 | struct dophdr { |
83 | u_int32_t dh_ts; /* sender's timestamp */ |
84 | u_short dh_len; /* body length */ |
85 | u_char dh_flags; |
86 | u_char dh_type; /* body type */ |
87 | /* body follows */ |
88 | }; |
89 | /* |
90 | * Drawing op sub-types. |
91 | */ |
92 | #define DT_RECT2 2 |
93 | #define DT_LINE3 3 |
94 | #define DT_ML4 4 |
95 | #define DT_DEL5 5 |
96 | #define DT_XFORM6 6 |
97 | #define DT_ELL7 7 |
98 | #define DT_CHAR8 8 |
99 | #define DT_STR9 9 |
100 | #define DT_NOP10 10 |
101 | #define DT_PSCODE11 11 |
102 | #define DT_PSCOMP12 12 |
103 | #define DT_REF13 13 |
104 | #define DT_SKIP14 14 |
105 | #define DT_HOLE15 15 |
106 | #define DT_MAXTYPE15 15 |
107 | |
108 | /* |
109 | * A drawing operation. |
110 | */ |
111 | struct pkt_dop { |
112 | struct PageID pd_page; /* page that operations apply to */ |
113 | u_int32_t pd_sseq; /* start sequence number */ |
114 | u_int32_t pd_eseq; /* end sequence number */ |
115 | /* drawing ops follow */ |
116 | }; |
117 | |
118 | /* |
119 | * A repair request. |
120 | */ |
121 | struct pkt_rreq { |
122 | u_int32_t pr_id; /* source id of drawops to be repaired */ |
123 | struct PageID pr_page; /* page of drawops */ |
124 | u_int32_t pr_sseq; /* start seqno */ |
125 | u_int32_t pr_eseq; /* end seqno */ |
126 | }; |
127 | |
128 | /* |
129 | * A repair reply. |
130 | */ |
131 | struct pkt_rrep { |
132 | u_int32_t pr_id; /* original site id of ops */ |
133 | struct pkt_dop pr_dop; |
134 | /* drawing ops follow */ |
135 | }; |
136 | |
137 | struct id_off { |
138 | u_int32_t id; |
139 | u_int32_t off; |
140 | }; |
141 | |
142 | struct pgstate { |
143 | u_int32_t slot; |
144 | struct PageID page; |
145 | u_short nid; |
146 | u_short rsvd; |
147 | /* seqptr's */ |
148 | }; |
149 | |
150 | /* |
151 | * An announcement packet. |
152 | */ |
153 | struct pkt_id { |
154 | u_int32_t pi_mslot; |
155 | struct PageID pi_mpage; /* current page */ |
156 | struct pgstate pi_ps; |
157 | /* seqptr's */ |
158 | /* null-terminated site name */ |
159 | }; |
160 | |
161 | struct pkt_preq { |
162 | struct PageID pp_page; |
163 | u_int32_t pp_low; |
164 | u_int32_t pp_high; |
165 | }; |
166 | |
167 | struct pkt_prep { |
168 | u_int32_t pp_n; /* size of pageid array */ |
169 | /* pgstate's follow */ |
170 | }; |
171 | |
172 | static int |
173 | wb_id(const struct pkt_id *id, u_int len) |
174 | { |
175 | int i; |
176 | const char *cp; |
177 | const struct id_off *io; |
178 | char c; |
179 | int nid; |
180 | |
181 | printf("wb-id:"); |
182 | len -= sizeof(*id); |
183 | if ((u_char *)(id + 1) > snapend) |
184 | return (-1); |
185 | |
186 | printf(" %u/%s:%u (max %u/%s:%u) ", |
187 | (u_int32_t)ntohl(id->pi_ps.slot)(__uint32_t)(__builtin_constant_p(id->pi_ps.slot) ? (__uint32_t )(((__uint32_t)(id->pi_ps.slot) & 0xff) << 24 | ( (__uint32_t)(id->pi_ps.slot) & 0xff00) << 8 | (( __uint32_t)(id->pi_ps.slot) & 0xff0000) >> 8 | ( (__uint32_t)(id->pi_ps.slot) & 0xff000000) >> 24 ) : __swap32md(id->pi_ps.slot)), |
188 | ipaddr_string(&id->pi_ps.page.p_sid)getname((const u_char *)(&id->pi_ps.page.p_sid)), |
189 | (u_int32_t)ntohl(id->pi_ps.page.p_uid)(__uint32_t)(__builtin_constant_p(id->pi_ps.page.p_uid) ? ( __uint32_t)(((__uint32_t)(id->pi_ps.page.p_uid) & 0xff ) << 24 | ((__uint32_t)(id->pi_ps.page.p_uid) & 0xff00 ) << 8 | ((__uint32_t)(id->pi_ps.page.p_uid) & 0xff0000 ) >> 8 | ((__uint32_t)(id->pi_ps.page.p_uid) & 0xff000000 ) >> 24) : __swap32md(id->pi_ps.page.p_uid)), |
190 | (u_int32_t)ntohl(id->pi_mslot)(__uint32_t)(__builtin_constant_p(id->pi_mslot) ? (__uint32_t )(((__uint32_t)(id->pi_mslot) & 0xff) << 24 | (( __uint32_t)(id->pi_mslot) & 0xff00) << 8 | ((__uint32_t )(id->pi_mslot) & 0xff0000) >> 8 | ((__uint32_t) (id->pi_mslot) & 0xff000000) >> 24) : __swap32md (id->pi_mslot)), |
191 | ipaddr_string(&id->pi_mpage.p_sid)getname((const u_char *)(&id->pi_mpage.p_sid)), |
192 | (u_int32_t)ntohl(id->pi_mpage.p_uid)(__uint32_t)(__builtin_constant_p(id->pi_mpage.p_uid) ? (__uint32_t )(((__uint32_t)(id->pi_mpage.p_uid) & 0xff) << 24 | ((__uint32_t)(id->pi_mpage.p_uid) & 0xff00) << 8 | ((__uint32_t)(id->pi_mpage.p_uid) & 0xff0000) >> 8 | ((__uint32_t)(id->pi_mpage.p_uid) & 0xff000000) >> 24) : __swap32md(id->pi_mpage.p_uid))); |
193 | |
194 | nid = ntohs(id->pi_ps.nid)(__uint16_t)(__builtin_constant_p(id->pi_ps.nid) ? (__uint16_t )(((__uint16_t)(id->pi_ps.nid) & 0xffU) << 8 | ( (__uint16_t)(id->pi_ps.nid) & 0xff00U) >> 8) : __swap16md (id->pi_ps.nid)); |
195 | len -= sizeof(*io) * nid; |
196 | io = (struct id_off *)(id + 1); |
197 | cp = (char *)(io + nid); |
198 | if ((u_char *)cp + len <= snapend) { |
199 | putchar('"')(!__isthreaded ? __sputc('"', (&__sF[1])) : (putc)('"', ( &__sF[1]))); |
200 | (void)fn_print((u_char *)cp, (u_char *)cp + len); |
201 | putchar('"')(!__isthreaded ? __sputc('"', (&__sF[1])) : (putc)('"', ( &__sF[1]))); |
202 | } |
203 | |
204 | c = '<'; |
205 | for (i = 0; i < nid && (u_char *)io < snapend; ++io, ++i) { |
206 | printf("%c%s:%u", |
207 | c, ipaddr_string(&io->id)getname((const u_char *)(&io->id)), (u_int32_t)ntohl(io->off)(__uint32_t)(__builtin_constant_p(io->off) ? (__uint32_t)( ((__uint32_t)(io->off) & 0xff) << 24 | ((__uint32_t )(io->off) & 0xff00) << 8 | ((__uint32_t)(io-> off) & 0xff0000) >> 8 | ((__uint32_t)(io->off) & 0xff000000) >> 24) : __swap32md(io->off))); |
208 | c = ','; |
209 | } |
210 | if (i >= nid) { |
211 | printf(">"); |
212 | return (0); |
213 | } |
214 | return (-1); |
215 | } |
216 | |
217 | static int |
218 | wb_rreq(const struct pkt_rreq *rreq, u_int len) |
219 | { |
220 | printf("wb-rreq:"); |
221 | if (len < sizeof(*rreq) || (u_char *)(rreq + 1) > snapend) |
222 | return (-1); |
223 | |
224 | printf(" please repair %s %s:%u<%u:%u>", |
225 | ipaddr_string(&rreq->pr_id)getname((const u_char *)(&rreq->pr_id)), |
226 | ipaddr_string(&rreq->pr_page.p_sid)getname((const u_char *)(&rreq->pr_page.p_sid)), |
227 | (u_int32_t)ntohl(rreq->pr_page.p_uid)(__uint32_t)(__builtin_constant_p(rreq->pr_page.p_uid) ? ( __uint32_t)(((__uint32_t)(rreq->pr_page.p_uid) & 0xff) << 24 | ((__uint32_t)(rreq->pr_page.p_uid) & 0xff00 ) << 8 | ((__uint32_t)(rreq->pr_page.p_uid) & 0xff0000 ) >> 8 | ((__uint32_t)(rreq->pr_page.p_uid) & 0xff000000 ) >> 24) : __swap32md(rreq->pr_page.p_uid)), |
228 | (u_int32_t)ntohl(rreq->pr_sseq)(__uint32_t)(__builtin_constant_p(rreq->pr_sseq) ? (__uint32_t )(((__uint32_t)(rreq->pr_sseq) & 0xff) << 24 | ( (__uint32_t)(rreq->pr_sseq) & 0xff00) << 8 | ((__uint32_t )(rreq->pr_sseq) & 0xff0000) >> 8 | ((__uint32_t )(rreq->pr_sseq) & 0xff000000) >> 24) : __swap32md (rreq->pr_sseq)), |
229 | (u_int32_t)ntohl(rreq->pr_eseq)(__uint32_t)(__builtin_constant_p(rreq->pr_eseq) ? (__uint32_t )(((__uint32_t)(rreq->pr_eseq) & 0xff) << 24 | ( (__uint32_t)(rreq->pr_eseq) & 0xff00) << 8 | ((__uint32_t )(rreq->pr_eseq) & 0xff0000) >> 8 | ((__uint32_t )(rreq->pr_eseq) & 0xff000000) >> 24) : __swap32md (rreq->pr_eseq))); |
230 | return (0); |
231 | } |
232 | |
233 | static int |
234 | wb_preq(const struct pkt_preq *preq, u_int len) |
235 | { |
236 | printf("wb-preq:"); |
237 | if (len < sizeof(*preq) || (u_char *)(preq + 1) > snapend) |
238 | return (-1); |
239 | |
240 | printf(" need %u/%s:%u", |
241 | (u_int32_t)ntohl(preq->pp_low)(__uint32_t)(__builtin_constant_p(preq->pp_low) ? (__uint32_t )(((__uint32_t)(preq->pp_low) & 0xff) << 24 | (( __uint32_t)(preq->pp_low) & 0xff00) << 8 | ((__uint32_t )(preq->pp_low) & 0xff0000) >> 8 | ((__uint32_t) (preq->pp_low) & 0xff000000) >> 24) : __swap32md (preq->pp_low)), |
242 | ipaddr_string(&preq->pp_page.p_sid)getname((const u_char *)(&preq->pp_page.p_sid)), |
243 | (u_int32_t)ntohl(preq->pp_page.p_uid)(__uint32_t)(__builtin_constant_p(preq->pp_page.p_uid) ? ( __uint32_t)(((__uint32_t)(preq->pp_page.p_uid) & 0xff) << 24 | ((__uint32_t)(preq->pp_page.p_uid) & 0xff00 ) << 8 | ((__uint32_t)(preq->pp_page.p_uid) & 0xff0000 ) >> 8 | ((__uint32_t)(preq->pp_page.p_uid) & 0xff000000 ) >> 24) : __swap32md(preq->pp_page.p_uid))); |
244 | return (0); |
245 | } |
246 | |
247 | static int |
248 | wb_prep(const struct pkt_prep *prep, u_int len) |
249 | { |
250 | int n; |
251 | const struct pgstate *ps; |
252 | const u_char *ep = snapend; |
253 | |
254 | printf("wb-prep:"); |
255 | if (len < sizeof(*prep)) { |
256 | return (-1); |
257 | } |
258 | n = ntohl(prep->pp_n)(__uint32_t)(__builtin_constant_p(prep->pp_n) ? (__uint32_t )(((__uint32_t)(prep->pp_n) & 0xff) << 24 | ((__uint32_t )(prep->pp_n) & 0xff00) << 8 | ((__uint32_t)(prep ->pp_n) & 0xff0000) >> 8 | ((__uint32_t)(prep-> pp_n) & 0xff000000) >> 24) : __swap32md(prep->pp_n )); |
259 | ps = (const struct pgstate *)(prep + 1); |
260 | while (--n >= 0 && (u_char *)ps < ep) { |
261 | const struct id_off *io, *ie; |
262 | char c = '<'; |
263 | |
264 | printf(" %u/%s:%u", |
265 | (u_int32_t)ntohl(ps->slot)(__uint32_t)(__builtin_constant_p(ps->slot) ? (__uint32_t) (((__uint32_t)(ps->slot) & 0xff) << 24 | ((__uint32_t )(ps->slot) & 0xff00) << 8 | ((__uint32_t)(ps-> slot) & 0xff0000) >> 8 | ((__uint32_t)(ps->slot) & 0xff000000) >> 24) : __swap32md(ps->slot)), |
266 | ipaddr_string(&ps->page.p_sid)getname((const u_char *)(&ps->page.p_sid)), |
267 | (u_int32_t)ntohl(ps->page.p_uid)(__uint32_t)(__builtin_constant_p(ps->page.p_uid) ? (__uint32_t )(((__uint32_t)(ps->page.p_uid) & 0xff) << 24 | ( (__uint32_t)(ps->page.p_uid) & 0xff00) << 8 | (( __uint32_t)(ps->page.p_uid) & 0xff0000) >> 8 | ( (__uint32_t)(ps->page.p_uid) & 0xff000000) >> 24 ) : __swap32md(ps->page.p_uid))); |
268 | io = (struct id_off *)(ps + 1); |
269 | for (ie = io + ps->nid; io < ie && (u_char *)io < ep; ++io) { |
270 | printf("%c%s:%u", c, ipaddr_string(&io->id)getname((const u_char *)(&io->id)), |
271 | (u_int32_t)ntohl(io->off)(__uint32_t)(__builtin_constant_p(io->off) ? (__uint32_t)( ((__uint32_t)(io->off) & 0xff) << 24 | ((__uint32_t )(io->off) & 0xff00) << 8 | ((__uint32_t)(io-> off) & 0xff0000) >> 8 | ((__uint32_t)(io->off) & 0xff000000) >> 24) : __swap32md(io->off))); |
272 | c = ','; |
273 | } |
274 | printf(">"); |
275 | ps = (struct pgstate *)io; |
276 | } |
277 | return ((u_char *)ps <= ep? 0 : -1); |
278 | } |
279 | |
280 | |
281 | char *dopstr[] = { |
282 | "dop-0!", |
283 | "dop-1!", |
284 | "RECT", |
285 | "LINE", |
286 | "ML", |
287 | "DEL", |
288 | "XFORM", |
289 | "ELL", |
290 | "CHAR", |
291 | "STR", |
292 | "NOP", |
293 | "PSCODE", |
294 | "PSCOMP", |
295 | "REF", |
296 | "SKIP", |
297 | "HOLE", |
298 | }; |
299 | |
300 | static int |
301 | wb_dops(const struct dophdr *dh, u_int32_t ss, u_int32_t es) |
302 | { |
303 | printf(" <"); |
304 | for ( ; ss <= es; ++ss) { |
305 | int t = dh->dh_type; |
306 | |
307 | if (t > DT_MAXTYPE15) |
308 | printf(" dop-%d!", t); |
309 | else { |
310 | printf(" %s", dopstr[t]); |
311 | if (t == DT_SKIP14 || t == DT_HOLE15) { |
312 | int ts = ntohl(dh->dh_ts)(__uint32_t)(__builtin_constant_p(dh->dh_ts) ? (__uint32_t )(((__uint32_t)(dh->dh_ts) & 0xff) << 24 | ((__uint32_t )(dh->dh_ts) & 0xff00) << 8 | ((__uint32_t)(dh-> dh_ts) & 0xff0000) >> 8 | ((__uint32_t)(dh->dh_ts ) & 0xff000000) >> 24) : __swap32md(dh->dh_ts)); |
313 | printf("%d", ts - ss + 1); |
314 | if (ss > ts || ts > es) { |
315 | printf("[|]"); |
316 | if (ts < ss) |
317 | return (0); |
318 | } |
319 | ss = ts; |
320 | } |
321 | } |
322 | dh = DOP_NEXT(dh)((struct dophdr *)((u_char *)(dh) + ((((int)((__uint16_t)(__builtin_constant_p ((dh)->dh_len) ? (__uint16_t)(((__uint16_t)((dh)->dh_len ) & 0xffU) << 8 | ((__uint16_t)((dh)->dh_len) & 0xff00U) >> 8) : __swap16md((dh)->dh_len)) + sizeof (*(dh)))) + (4 - 1)) & ~(4 - 1)))); |
323 | if ((u_char *)dh > snapend) { |
324 | printf("[|wb]"); |
325 | break; |
326 | } |
327 | } |
328 | printf(" >"); |
329 | return (0); |
330 | } |
331 | |
332 | static int |
333 | wb_rrep(const struct pkt_rrep *rrep, u_int len) |
334 | { |
335 | const struct pkt_dop *dop = &rrep->pr_dop; |
336 | |
337 | printf("wb-rrep:"); |
338 | len -= sizeof(*rrep); |
Value stored to 'len' is never read | |
339 | if ((u_char *)(rrep + 1) > snapend) |
340 | return (-1); |
341 | |
342 | printf(" for %s %s:%u<%u:%u>", |
343 | ipaddr_string(&rrep->pr_id)getname((const u_char *)(&rrep->pr_id)), |
344 | ipaddr_string(&dop->pd_page.p_sid)getname((const u_char *)(&dop->pd_page.p_sid)), |
345 | (u_int32_t)ntohl(dop->pd_page.p_uid)(__uint32_t)(__builtin_constant_p(dop->pd_page.p_uid) ? (__uint32_t )(((__uint32_t)(dop->pd_page.p_uid) & 0xff) << 24 | ((__uint32_t)(dop->pd_page.p_uid) & 0xff00) << 8 | ((__uint32_t)(dop->pd_page.p_uid) & 0xff0000) >> 8 | ((__uint32_t)(dop->pd_page.p_uid) & 0xff000000) >> 24) : __swap32md(dop->pd_page.p_uid)), |
346 | (u_int32_t)ntohl(dop->pd_sseq)(__uint32_t)(__builtin_constant_p(dop->pd_sseq) ? (__uint32_t )(((__uint32_t)(dop->pd_sseq) & 0xff) << 24 | (( __uint32_t)(dop->pd_sseq) & 0xff00) << 8 | ((__uint32_t )(dop->pd_sseq) & 0xff0000) >> 8 | ((__uint32_t) (dop->pd_sseq) & 0xff000000) >> 24) : __swap32md (dop->pd_sseq)), |
347 | (u_int32_t)ntohl(dop->pd_eseq)(__uint32_t)(__builtin_constant_p(dop->pd_eseq) ? (__uint32_t )(((__uint32_t)(dop->pd_eseq) & 0xff) << 24 | (( __uint32_t)(dop->pd_eseq) & 0xff00) << 8 | ((__uint32_t )(dop->pd_eseq) & 0xff0000) >> 8 | ((__uint32_t) (dop->pd_eseq) & 0xff000000) >> 24) : __swap32md (dop->pd_eseq))); |
348 | |
349 | if (vflag) |
350 | return (wb_dops((const struct dophdr *)(dop + 1), |
351 | ntohl(dop->pd_sseq)(__uint32_t)(__builtin_constant_p(dop->pd_sseq) ? (__uint32_t )(((__uint32_t)(dop->pd_sseq) & 0xff) << 24 | (( __uint32_t)(dop->pd_sseq) & 0xff00) << 8 | ((__uint32_t )(dop->pd_sseq) & 0xff0000) >> 8 | ((__uint32_t) (dop->pd_sseq) & 0xff000000) >> 24) : __swap32md (dop->pd_sseq)), ntohl(dop->pd_eseq)(__uint32_t)(__builtin_constant_p(dop->pd_eseq) ? (__uint32_t )(((__uint32_t)(dop->pd_eseq) & 0xff) << 24 | (( __uint32_t)(dop->pd_eseq) & 0xff00) << 8 | ((__uint32_t )(dop->pd_eseq) & 0xff0000) >> 8 | ((__uint32_t) (dop->pd_eseq) & 0xff000000) >> 24) : __swap32md (dop->pd_eseq)))); |
352 | return (0); |
353 | } |
354 | |
355 | static int |
356 | wb_drawop(const struct pkt_dop *dop, u_int len) |
357 | { |
358 | printf("wb-dop:"); |
359 | len -= sizeof(*dop); |
360 | if ((u_char *)(dop + 1) > snapend) |
361 | return (-1); |
362 | |
363 | printf(" %s:%u<%u:%u>", |
364 | ipaddr_string(&dop->pd_page.p_sid)getname((const u_char *)(&dop->pd_page.p_sid)), |
365 | (u_int32_t)ntohl(dop->pd_page.p_uid)(__uint32_t)(__builtin_constant_p(dop->pd_page.p_uid) ? (__uint32_t )(((__uint32_t)(dop->pd_page.p_uid) & 0xff) << 24 | ((__uint32_t)(dop->pd_page.p_uid) & 0xff00) << 8 | ((__uint32_t)(dop->pd_page.p_uid) & 0xff0000) >> 8 | ((__uint32_t)(dop->pd_page.p_uid) & 0xff000000) >> 24) : __swap32md(dop->pd_page.p_uid)), |
366 | (u_int32_t)ntohl(dop->pd_sseq)(__uint32_t)(__builtin_constant_p(dop->pd_sseq) ? (__uint32_t )(((__uint32_t)(dop->pd_sseq) & 0xff) << 24 | (( __uint32_t)(dop->pd_sseq) & 0xff00) << 8 | ((__uint32_t )(dop->pd_sseq) & 0xff0000) >> 8 | ((__uint32_t) (dop->pd_sseq) & 0xff000000) >> 24) : __swap32md (dop->pd_sseq)), |
367 | (u_int32_t)ntohl(dop->pd_eseq)(__uint32_t)(__builtin_constant_p(dop->pd_eseq) ? (__uint32_t )(((__uint32_t)(dop->pd_eseq) & 0xff) << 24 | (( __uint32_t)(dop->pd_eseq) & 0xff00) << 8 | ((__uint32_t )(dop->pd_eseq) & 0xff0000) >> 8 | ((__uint32_t) (dop->pd_eseq) & 0xff000000) >> 24) : __swap32md (dop->pd_eseq))); |
368 | |
369 | if (vflag) |
370 | return (wb_dops((const struct dophdr *)(dop + 1), |
371 | ntohl(dop->pd_sseq)(__uint32_t)(__builtin_constant_p(dop->pd_sseq) ? (__uint32_t )(((__uint32_t)(dop->pd_sseq) & 0xff) << 24 | (( __uint32_t)(dop->pd_sseq) & 0xff00) << 8 | ((__uint32_t )(dop->pd_sseq) & 0xff0000) >> 8 | ((__uint32_t) (dop->pd_sseq) & 0xff000000) >> 24) : __swap32md (dop->pd_sseq)), ntohl(dop->pd_eseq)(__uint32_t)(__builtin_constant_p(dop->pd_eseq) ? (__uint32_t )(((__uint32_t)(dop->pd_eseq) & 0xff) << 24 | (( __uint32_t)(dop->pd_eseq) & 0xff00) << 8 | ((__uint32_t )(dop->pd_eseq) & 0xff0000) >> 8 | ((__uint32_t) (dop->pd_eseq) & 0xff000000) >> 24) : __swap32md (dop->pd_eseq)))); |
372 | return (0); |
373 | } |
374 | |
375 | /* |
376 | * Print whiteboard multicast packets. |
377 | */ |
378 | void |
379 | wb_print(const void *hdr, u_int len) |
380 | { |
381 | const struct pkt_hdr *ph; |
382 | |
383 | ph = (const struct pkt_hdr *)hdr; |
384 | len -= sizeof(*ph); |
385 | if ((u_char *)(ph + 1) <= snapend) { |
386 | if (ph->ph_flags) |
387 | printf("*"); |
388 | switch (ph->ph_type) { |
389 | |
390 | case PT_KILL4: |
391 | printf("wb-kill"); |
392 | return; |
393 | |
394 | case PT_ID1: |
395 | if (wb_id((struct pkt_id *)(ph + 1), len) >= 0) |
396 | return; |
397 | break; |
398 | |
399 | case PT_RREQ2: |
400 | if (wb_rreq((struct pkt_rreq *)(ph + 1), len) >= 0) |
401 | return; |
402 | break; |
403 | |
404 | case PT_RREP3: |
405 | if (wb_rrep((struct pkt_rrep *)(ph + 1), len) >= 0) |
406 | return; |
407 | break; |
408 | |
409 | case PT_DRAWOP0: |
410 | if (wb_drawop((struct pkt_dop *)(ph + 1), len) >= 0) |
411 | return; |
412 | break; |
413 | |
414 | case PT_PREQ5: |
415 | if (wb_preq((struct pkt_preq *)(ph + 1), len) >= 0) |
416 | return; |
417 | break; |
418 | |
419 | case PT_PREP7: |
420 | if (wb_prep((struct pkt_prep *)(ph + 1), len) >= 0) |
421 | return; |
422 | break; |
423 | |
424 | default: |
425 | printf("wb-%d!", ph->ph_type); |
426 | return; |
427 | } |
428 | } |
429 | printf("[|wb]"); |
430 | } |