+
+void
+icmp6_rrenum_print(int icmp6len, const u_char *bp, const u_char *ep)
+{
+ struct icmp6_router_renum *rr6;
+ struct icmp6_hdr *dp;
+ size_t siz;
+ const char *cp;
+ struct rr_pco_match *match;
+ struct rr_pco_use *use;
+ char hbuf[NI_MAXHOST];
+ int n;
+
+ dp = (struct icmp6_hdr *)bp;
+ rr6 = (struct icmp6_router_renum *)bp;
+ siz = ep - bp;
+ cp = (const char *)(rr6 + 1);
+
+ TCHECK(rr6->rr_reserved);
+ switch (rr6->rr_code) {
+ case ICMP6_ROUTER_RENUMBERING_COMMAND:
+ printf("router renum: command");
+ break;
+ case ICMP6_ROUTER_RENUMBERING_RESULT:
+ printf("router renum: result");
+ break;
+ case ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET:
+ printf("router renum: sequence number reset");
+ break;
+ default:
+ printf("router renum: code-#%d", rr6->rr_code);
+ break;
+ }
+
+ printf(", seq=%u", (u_int32_t)ntohl(rr6->rr_seqnum));
+
+ if (vflag) {
+#define F(x, y) ((rr6->rr_flags) & (x) ? (y) : "")
+ printf("["); /*]*/
+ if (rr6->rr_flags) {
+ printf("%s%s%s%s%s,", F(ICMP6_RR_FLAGS_TEST, "T"),
+ F(ICMP6_RR_FLAGS_REQRESULT, "R"),
+ F(ICMP6_RR_FLAGS_FORCEAPPLY, "A"),
+ F(ICMP6_RR_FLAGS_SPECSITE, "S"),
+ F(ICMP6_RR_FLAGS_PREVDONE, "P"));
+ }
+ printf("seg=%u,", rr6->rr_segnum);
+ printf("maxdelay=%u", rr6->rr_maxdelay);
+ if (rr6->rr_reserved)
+ printf("rsvd=0x%x", (u_int16_t)ntohs(rr6->rr_reserved));
+ /*[*/
+ printf("]");
+#undef F
+ }
+
+ if (rr6->rr_code == ICMP6_ROUTER_RENUMBERING_COMMAND) {
+ match = (struct rr_pco_match *)cp;
+ cp = (const char *)(match + 1);
+
+ TCHECK(match->rpm_prefix);
+
+ if (vflag > 1)
+ printf("\n\t");
+ else
+ printf(" ");
+ printf("match("); /*)*/
+ switch (match->rpm_code) {
+ case RPM_PCO_ADD: printf("add"); break;
+ case RPM_PCO_CHANGE: printf("change"); break;
+ case RPM_PCO_SETGLOBAL: printf("setglobal"); break;
+ default: printf("#%u", match->rpm_code); break;
+ }
+
+ if (vflag) {
+ printf(",ord=%u", match->rpm_ordinal);
+ printf(",min=%u", match->rpm_minlen);
+ printf(",max=%u", match->rpm_maxlen);
+ }
+ if (inet_ntop(AF_INET6, &match->rpm_prefix, hbuf, sizeof(hbuf)))
+ printf(",%s/%u", hbuf, match->rpm_matchlen);
+ else
+ printf(",?/%u", match->rpm_matchlen);
+ /*(*/
+ printf(")");
+
+ n = match->rpm_len - 3;
+ if (n % 4)
+ goto trunc;
+ n /= 4;
+ while (n-- > 0) {
+ use = (struct rr_pco_use *)cp;
+ cp = (const char *)(use + 1);
+
+ TCHECK(use->rpu_prefix);
+
+ if (vflag > 1)
+ printf("\n\t");
+ else
+ printf(" ");
+ printf("use("); /*)*/
+ if (use->rpu_flags) {
+#define F(x, y) ((use->rpu_flags) & (x) ? (y) : "")
+ printf("%s%s,",
+ F(ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME, "V"),
+ F(ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME, "P"));
+#undef F
+ }
+ if (vflag) {
+ printf("mask=0x%x,", use->rpu_ramask);
+ printf("raflags=0x%x,", use->rpu_raflags);
+ if (~use->rpu_vltime == 0)
+ printf("vltime=infty,");
+ else
+ printf("vltime=%u,",
+ (u_int32_t)ntohl(use->rpu_vltime));
+ if (~use->rpu_pltime == 0)
+ printf("pltime=infty,");
+ else
+ printf("pltime=%u,",
+ (u_int32_t)ntohl(use->rpu_pltime));
+ }
+ if (inet_ntop(AF_INET6, &use->rpu_prefix, hbuf,
+ sizeof(hbuf)))
+ printf("%s/%u/%u", hbuf, use->rpu_uselen,
+ use->rpu_keeplen);
+ else
+ printf("?/%u/%u", use->rpu_uselen,
+ use->rpu_keeplen);
+ /*(*/
+ printf(")");
+ }
+ }
+
+ return;
+
+trunc:
+ fputs("[|icmp6]", stdout);
+}
projects / tcpdump / blobdiff