The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994 |
| 3 | * The Regents of the University of California. All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that: (1) source code distributions |
| 7 | * retain the above copyright notice and this paragraph in its entirety, (2) |
| 8 | * distributions including binary code include the above copyright notice and |
| 9 | * this paragraph in its entirety in the documentation or other materials |
| 10 | * provided with the distribution, and (3) all advertising materials mentioning |
| 11 | * features or use of this software display the following acknowledgement: |
| 12 | * ``This product includes software developed by the University of California, |
| 13 | * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| 14 | * the University nor the names of its contributors may be used to endorse |
| 15 | * or promote products derived from this software without specific prior |
| 16 | * written permission. |
| 17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 20 | */ |
| 21 | |
| 22 | #ifndef lint |
| 23 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 24 | "@(#) $Header: /tcpdump/master/tcpdump/print-icmp6.c,v 1.86 2008-02-05 19:36:13 guy Exp $"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 25 | #endif |
| 26 | |
| 27 | #ifdef HAVE_CONFIG_H |
| 28 | #include "config.h" |
| 29 | #endif |
| 30 | |
| 31 | #ifdef INET6 |
| 32 | |
| 33 | #include <tcpdump-stdinc.h> |
| 34 | |
| 35 | #include <stdio.h> |
| 36 | #include <string.h> |
| 37 | |
| 38 | #include "interface.h" |
| 39 | #include "addrtoname.h" |
| 40 | #include "extract.h" |
| 41 | |
| 42 | #include "ip6.h" |
| 43 | #include "icmp6.h" |
| 44 | #include "ipproto.h" |
| 45 | |
| 46 | #include "udp.h" |
| 47 | #include "ah.h" |
| 48 | |
| 49 | static const char *get_rtpref(u_int); |
| 50 | static const char *get_lifetime(u_int32_t); |
| 51 | static void print_lladdr(const u_char *, size_t); |
| 52 | static void icmp6_opt_print(const u_char *, int); |
| 53 | static void mld6_print(const u_char *); |
| 54 | static void mldv2_report_print(const u_char *, u_int); |
| 55 | static void mldv2_query_print(const u_char *, u_int); |
| 56 | static struct udphdr *get_upperlayer(u_char *, u_int *); |
| 57 | static void dnsname_print(const u_char *, const u_char *); |
| 58 | static void icmp6_nodeinfo_print(u_int, const u_char *, const u_char *); |
| 59 | static void icmp6_rrenum_print(const u_char *, const u_char *); |
| 60 | |
| 61 | #ifndef abs |
| 62 | #define abs(a) ((0 < (a)) ? (a) : -(a)) |
| 63 | #endif |
| 64 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 65 | /* inline the various RPL definitions */ |
| 66 | #define ND_RPL_MESSAGE 0x9B |
| 67 | |
| 68 | static const struct tok icmp6_type_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 69 | { ICMP6_DST_UNREACH, "destination unreachable"}, |
| 70 | { ICMP6_PACKET_TOO_BIG, "packet too big"}, |
| 71 | { ICMP6_TIME_EXCEEDED, "time exceeded in-transit"}, |
| 72 | { ICMP6_PARAM_PROB, "parameter problem"}, |
| 73 | { ICMP6_ECHO_REQUEST, "echo request"}, |
| 74 | { ICMP6_ECHO_REPLY, "echo reply"}, |
| 75 | { MLD6_LISTENER_QUERY, "multicast listener query"}, |
| 76 | { MLD6_LISTENER_REPORT, "multicast listener report"}, |
| 77 | { MLD6_LISTENER_DONE, "multicast listener done"}, |
| 78 | { ND_ROUTER_SOLICIT, "router solicitation"}, |
| 79 | { ND_ROUTER_ADVERT, "router advertisement"}, |
| 80 | { ND_NEIGHBOR_SOLICIT, "neighbor solicitation"}, |
| 81 | { ND_NEIGHBOR_ADVERT, "neighbor advertisement"}, |
| 82 | { ND_REDIRECT, "redirect"}, |
| 83 | { ICMP6_ROUTER_RENUMBERING, "router renumbering"}, |
| 84 | { IND_SOLICIT, "inverse neighbor solicitation"}, |
| 85 | { IND_ADVERT, "inverse neighbor advertisement"}, |
| 86 | { MLDV2_LISTENER_REPORT, "multicast listener report v2"}, |
| 87 | { ICMP6_HADISCOV_REQUEST, "ha discovery request"}, |
| 88 | { ICMP6_HADISCOV_REPLY, "ha discovery reply"}, |
| 89 | { ICMP6_MOBILEPREFIX_SOLICIT, "mobile router solicitation"}, |
| 90 | { ICMP6_MOBILEPREFIX_ADVERT, "mobile router advertisement"}, |
| 91 | { ICMP6_WRUREQUEST, "who-are-you request"}, |
| 92 | { ICMP6_WRUREPLY, "who-are-you reply"}, |
| 93 | { ICMP6_NI_QUERY, "node information query"}, |
| 94 | { ICMP6_NI_REPLY, "node information reply"}, |
| 95 | { MLD6_MTRACE, "mtrace message"}, |
| 96 | { MLD6_MTRACE_RESP, "mtrace response"}, |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 97 | { ND_RPL_MESSAGE, "RPL"}, |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 98 | { 0, NULL } |
| 99 | }; |
| 100 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 101 | static const struct tok icmp6_dst_unreach_code_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 102 | { ICMP6_DST_UNREACH_NOROUTE, "unreachable route" }, |
| 103 | { ICMP6_DST_UNREACH_ADMIN, " unreachable prohibited"}, |
| 104 | { ICMP6_DST_UNREACH_BEYONDSCOPE, "beyond scope"}, |
| 105 | { ICMP6_DST_UNREACH_ADDR, "unreachable address"}, |
| 106 | { ICMP6_DST_UNREACH_NOPORT, "unreachable port"}, |
| 107 | { 0, NULL } |
| 108 | }; |
| 109 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 110 | static const struct tok icmp6_opt_pi_flag_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 111 | { ND_OPT_PI_FLAG_ONLINK, "onlink" }, |
| 112 | { ND_OPT_PI_FLAG_AUTO, "auto" }, |
| 113 | { ND_OPT_PI_FLAG_ROUTER, "router" }, |
| 114 | { 0, NULL } |
| 115 | }; |
| 116 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 117 | static const struct tok icmp6_opt_ra_flag_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 118 | { ND_RA_FLAG_MANAGED, "managed" }, |
| 119 | { ND_RA_FLAG_OTHER, "other stateful"}, |
| 120 | { ND_RA_FLAG_HOME_AGENT, "home agent"}, |
| 121 | { 0, NULL } |
| 122 | }; |
| 123 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 124 | static const struct tok icmp6_nd_na_flag_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 125 | { ND_NA_FLAG_ROUTER, "router" }, |
| 126 | { ND_NA_FLAG_SOLICITED, "solicited" }, |
| 127 | { ND_NA_FLAG_OVERRIDE, "override" }, |
| 128 | { 0, NULL } |
| 129 | }; |
| 130 | |
| 131 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 132 | static const struct tok icmp6_opt_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 133 | { ND_OPT_SOURCE_LINKADDR, "source link-address"}, |
| 134 | { ND_OPT_TARGET_LINKADDR, "destination link-address"}, |
| 135 | { ND_OPT_PREFIX_INFORMATION, "prefix info"}, |
| 136 | { ND_OPT_REDIRECTED_HEADER, "redirected header"}, |
| 137 | { ND_OPT_MTU, "mtu"}, |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 138 | { ND_OPT_RDNSS, "rdnss"}, |
| 139 | { ND_OPT_DNSSL, "dnssl"}, |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 140 | { ND_OPT_ADVINTERVAL, "advertisement interval"}, |
| 141 | { ND_OPT_HOMEAGENT_INFO, "homeagent information"}, |
| 142 | { ND_OPT_ROUTE_INFO, "route info"}, |
| 143 | { 0, NULL } |
| 144 | }; |
| 145 | |
| 146 | /* mldv2 report types */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 147 | static const struct tok mldv2report2str[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 148 | { 1, "is_in" }, |
| 149 | { 2, "is_ex" }, |
| 150 | { 3, "to_in" }, |
| 151 | { 4, "to_ex" }, |
| 152 | { 5, "allow" }, |
| 153 | { 6, "block" }, |
| 154 | { 0, NULL } |
| 155 | }; |
| 156 | |
| 157 | static const char * |
| 158 | get_rtpref(u_int v) |
| 159 | { |
| 160 | static const char *rtpref_str[] = { |
| 161 | "medium", /* 00 */ |
| 162 | "high", /* 01 */ |
| 163 | "rsv", /* 10 */ |
| 164 | "low" /* 11 */ |
| 165 | }; |
| 166 | |
| 167 | return rtpref_str[((v & ND_RA_FLAG_RTPREF_MASK) >> 3) & 0xff]; |
| 168 | } |
| 169 | |
| 170 | static const char * |
| 171 | get_lifetime(u_int32_t v) |
| 172 | { |
| 173 | static char buf[20]; |
| 174 | |
| 175 | if (v == (u_int32_t)~0UL) |
| 176 | return "infinity"; |
| 177 | else { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 178 | snprintf(buf, sizeof(buf), "%us", v); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 179 | return buf; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | static void |
| 184 | print_lladdr(const u_int8_t *p, size_t l) |
| 185 | { |
| 186 | const u_int8_t *ep, *q; |
| 187 | |
| 188 | q = p; |
| 189 | ep = p + l; |
| 190 | while (l > 0 && q < ep) { |
| 191 | if (q > p) |
| 192 | printf(":"); |
| 193 | printf("%02x", *q++); |
| 194 | l--; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | static int icmp6_cksum(const struct ip6_hdr *ip6, const struct icmp6_hdr *icp, |
| 199 | u_int len) |
| 200 | { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 201 | return (nextproto6_cksum(ip6, (const u_int8_t *)(void *)icp, len, |
| 202 | IPPROTO_ICMPV6)); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 203 | } |
| 204 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 205 | enum ND_RPL_CODE { |
| 206 | ND_RPL_DIS =0x00, |
| 207 | ND_RPL_DIO =0x01, |
| 208 | ND_RPL_DAO =0x02, |
| 209 | ND_RPL_DAO_ACK=0x03, |
| 210 | ND_RPL_SDIS =0x80, |
| 211 | ND_RPL_SDIO =0x81, |
| 212 | ND_RPL_SDAO =0x82, |
| 213 | ND_RPL_SDAO_ACK=0x83, |
| 214 | ND_RPL_SCC =0x8A, |
| 215 | }; |
| 216 | |
| 217 | enum ND_RPL_DIO_FLAGS { |
| 218 | ND_RPL_DIO_GROUNDED = 0x80, |
| 219 | ND_RPL_DIO_DATRIG = 0x40, |
| 220 | ND_RPL_DIO_DASUPPORT= 0x20, |
| 221 | ND_RPL_DIO_RES4 = 0x10, |
| 222 | ND_RPL_DIO_RES3 = 0x08, |
| 223 | ND_RPL_DIO_PRF_MASK = 0x07, /* 3-bit preference */ |
| 224 | }; |
| 225 | |
| 226 | struct nd_rpl_dio { |
| 227 | u_int8_t rpl_flags; |
| 228 | u_int8_t rpl_seq; |
| 229 | u_int8_t rpl_instanceid; |
| 230 | u_int8_t rpl_dagrank; |
| 231 | u_int8_t rpl_dagid[16]; |
| 232 | }; |
| 233 | |
| 234 | static void |
| 235 | rpl_print(netdissect_options *ndo, |
| 236 | const struct icmp6_hdr *hdr, |
| 237 | const u_char *bp, u_int length _U_) |
| 238 | { |
| 239 | struct nd_rpl_dio *dio = (struct nd_rpl_dio *)bp; |
| 240 | int secured = hdr->icmp6_code & 0x80; |
| 241 | int basecode= hdr->icmp6_code & 0x7f; |
| 242 | |
| 243 | ND_TCHECK(dio->rpl_dagid); |
| 244 | |
| 245 | if(secured) { |
| 246 | ND_PRINT((ndo, ", (SEC)")); |
| 247 | } else { |
| 248 | ND_PRINT((ndo, ", (CLR)")); |
| 249 | } |
| 250 | |
| 251 | switch(basecode) { |
| 252 | case ND_RPL_DIS: |
| 253 | ND_PRINT((ndo, "DODAG Information Solicitation")); |
| 254 | if(ndo->ndo_vflag) { |
| 255 | } |
| 256 | break; |
| 257 | case ND_RPL_DIO: |
| 258 | ND_PRINT((ndo, "DODAG Information Object")); |
| 259 | if(ndo->ndo_vflag) { |
| 260 | char dagid[65]; |
| 261 | char *d = dagid; |
| 262 | int i; |
| 263 | for(i=0;i<16;i++) { |
| 264 | if(isprint(dio->rpl_dagid[i])) { |
| 265 | *d++ = dio->rpl_dagid[i]; |
| 266 | } else { |
| 267 | int cnt=snprintf(d,4,"0x%02x", |
| 268 | dio->rpl_dagid[i]); |
| 269 | d += cnt; |
| 270 | } |
| 271 | } |
| 272 | *d++ = '\0'; |
| 273 | ND_PRINT((ndo, " [seq:%u,instance:%u,rank:%u,dagid:%s]", |
| 274 | dio->rpl_seq, |
| 275 | dio->rpl_instanceid, |
| 276 | dio->rpl_dagrank, |
| 277 | dagid)); |
| 278 | } |
| 279 | break; |
| 280 | case ND_RPL_DAO: |
| 281 | ND_PRINT((ndo, "Destination Advertisement Object")); |
| 282 | if(ndo->ndo_vflag) { |
| 283 | } |
| 284 | break; |
| 285 | case ND_RPL_DAO_ACK: |
| 286 | ND_PRINT((ndo, "Destination Advertisement Object Ack")); |
| 287 | if(ndo->ndo_vflag) { |
| 288 | } |
| 289 | break; |
| 290 | default: |
| 291 | ND_PRINT((ndo, "RPL message, unknown code %u",hdr->icmp6_code)); |
| 292 | break; |
| 293 | } |
| 294 | return; |
| 295 | trunc: |
| 296 | ND_PRINT((ndo," [|truncated]")); |
| 297 | return; |
| 298 | |
| 299 | } |
| 300 | |
| 301 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 302 | void |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 303 | icmp6_print(netdissect_options *ndo, |
| 304 | const u_char *bp, u_int length, const u_char *bp2, int fragmented) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 305 | { |
| 306 | const struct icmp6_hdr *dp; |
| 307 | const struct ip6_hdr *ip; |
| 308 | const struct ip6_hdr *oip; |
| 309 | const struct udphdr *ouh; |
| 310 | int dport; |
| 311 | const u_char *ep; |
| 312 | u_int prot; |
| 313 | |
| 314 | dp = (struct icmp6_hdr *)bp; |
| 315 | ip = (struct ip6_hdr *)bp2; |
| 316 | oip = (struct ip6_hdr *)(dp + 1); |
| 317 | /* 'ep' points to the end of available data. */ |
| 318 | ep = snapend; |
| 319 | |
| 320 | TCHECK(dp->icmp6_cksum); |
| 321 | |
| 322 | if (vflag && !fragmented) { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 323 | u_int16_t sum, udp_sum; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 324 | |
| 325 | if (TTEST2(bp[0], length)) { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 326 | udp_sum = EXTRACT_16BITS(&dp->icmp6_cksum); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 327 | sum = icmp6_cksum(ip, dp, length); |
| 328 | if (sum != 0) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 329 | (void)printf("[bad icmp6 cksum 0x%04x -> 0x%04x!] ", |
| 330 | udp_sum, |
| 331 | in_cksum_shouldbe(udp_sum, sum)); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 332 | else |
| 333 | (void)printf("[icmp6 sum ok] "); |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | printf("ICMP6, %s", tok2str(icmp6_type_values,"unknown icmp6 type (%u)",dp->icmp6_type)); |
| 338 | |
| 339 | /* display cosmetics: print the packet length for printer that use the vflag now */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 340 | if (vflag && (dp->icmp6_type == ND_ROUTER_SOLICIT || |
| 341 | dp->icmp6_type == ND_ROUTER_ADVERT || |
| 342 | dp->icmp6_type == ND_NEIGHBOR_ADVERT || |
| 343 | dp->icmp6_type == ND_NEIGHBOR_SOLICIT || |
| 344 | dp->icmp6_type == ND_REDIRECT || |
| 345 | dp->icmp6_type == ICMP6_HADISCOV_REPLY || |
| 346 | dp->icmp6_type == ICMP6_MOBILEPREFIX_ADVERT )) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 347 | printf(", length %u", length); |
| 348 | |
| 349 | switch (dp->icmp6_type) { |
| 350 | case ICMP6_DST_UNREACH: |
| 351 | TCHECK(oip->ip6_dst); |
| 352 | printf(", %s", tok2str(icmp6_dst_unreach_code_values,"unknown unreach code (%u)",dp->icmp6_code)); |
| 353 | switch (dp->icmp6_code) { |
| 354 | |
| 355 | case ICMP6_DST_UNREACH_NOROUTE: /* fall through */ |
| 356 | case ICMP6_DST_UNREACH_ADMIN: |
| 357 | case ICMP6_DST_UNREACH_ADDR: |
| 358 | printf(" %s",ip6addr_string(&oip->ip6_dst)); |
| 359 | break; |
| 360 | case ICMP6_DST_UNREACH_BEYONDSCOPE: |
| 361 | printf(" %s, source address %s", |
| 362 | ip6addr_string(&oip->ip6_dst), |
| 363 | ip6addr_string(&oip->ip6_src)); |
| 364 | break; |
| 365 | case ICMP6_DST_UNREACH_NOPORT: |
| 366 | if ((ouh = get_upperlayer((u_char *)oip, &prot)) |
| 367 | == NULL) |
| 368 | goto trunc; |
| 369 | |
| 370 | dport = EXTRACT_16BITS(&ouh->uh_dport); |
| 371 | switch (prot) { |
| 372 | case IPPROTO_TCP: |
| 373 | printf(", %s tcp port %s", |
| 374 | ip6addr_string(&oip->ip6_dst), |
| 375 | tcpport_string(dport)); |
| 376 | break; |
| 377 | case IPPROTO_UDP: |
| 378 | printf(", %s udp port %s", |
| 379 | ip6addr_string(&oip->ip6_dst), |
| 380 | udpport_string(dport)); |
| 381 | break; |
| 382 | default: |
| 383 | printf(", %s protocol %d port %d unreachable", |
| 384 | ip6addr_string(&oip->ip6_dst), |
| 385 | oip->ip6_nxt, dport); |
| 386 | break; |
| 387 | } |
| 388 | break; |
| 389 | default: |
| 390 | if (vflag <= 1) { |
| 391 | print_unknown_data(bp,"\n\t",length); |
| 392 | return; |
| 393 | } |
| 394 | break; |
| 395 | } |
| 396 | break; |
| 397 | case ICMP6_PACKET_TOO_BIG: |
| 398 | TCHECK(dp->icmp6_mtu); |
| 399 | printf(", mtu %u", EXTRACT_32BITS(&dp->icmp6_mtu)); |
| 400 | break; |
| 401 | case ICMP6_TIME_EXCEEDED: |
| 402 | TCHECK(oip->ip6_dst); |
| 403 | switch (dp->icmp6_code) { |
| 404 | case ICMP6_TIME_EXCEED_TRANSIT: |
| 405 | printf(" for %s", |
| 406 | ip6addr_string(&oip->ip6_dst)); |
| 407 | break; |
| 408 | case ICMP6_TIME_EXCEED_REASSEMBLY: |
| 409 | printf(" (reassembly)"); |
| 410 | break; |
| 411 | default: |
| 412 | printf(", unknown code (%u)", dp->icmp6_code); |
| 413 | break; |
| 414 | } |
| 415 | break; |
| 416 | case ICMP6_PARAM_PROB: |
| 417 | TCHECK(oip->ip6_dst); |
| 418 | switch (dp->icmp6_code) { |
| 419 | case ICMP6_PARAMPROB_HEADER: |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 420 | printf(", erroneous - octet %u", EXTRACT_32BITS(&dp->icmp6_pptr)); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 421 | break; |
| 422 | case ICMP6_PARAMPROB_NEXTHEADER: |
| 423 | printf(", next header - octet %u", EXTRACT_32BITS(&dp->icmp6_pptr)); |
| 424 | break; |
| 425 | case ICMP6_PARAMPROB_OPTION: |
| 426 | printf(", option - octet %u", EXTRACT_32BITS(&dp->icmp6_pptr)); |
| 427 | break; |
| 428 | default: |
| 429 | printf(", code-#%d", |
| 430 | dp->icmp6_code); |
| 431 | break; |
| 432 | } |
| 433 | break; |
| 434 | case ICMP6_ECHO_REQUEST: |
| 435 | case ICMP6_ECHO_REPLY: |
| 436 | TCHECK(dp->icmp6_seq); |
| 437 | printf(", seq %u", EXTRACT_16BITS(&dp->icmp6_seq)); |
| 438 | break; |
| 439 | case ICMP6_MEMBERSHIP_QUERY: |
| 440 | if (length == MLD_MINLEN) { |
| 441 | mld6_print((const u_char *)dp); |
| 442 | } else if (length >= MLDV2_MINLEN) { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 443 | printf(" v2"); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 444 | mldv2_query_print((const u_char *)dp, length); |
| 445 | } else { |
| 446 | printf(" unknown-version (len %u) ", length); |
| 447 | } |
| 448 | break; |
| 449 | case ICMP6_MEMBERSHIP_REPORT: |
| 450 | mld6_print((const u_char *)dp); |
| 451 | break; |
| 452 | case ICMP6_MEMBERSHIP_REDUCTION: |
| 453 | mld6_print((const u_char *)dp); |
| 454 | break; |
| 455 | case ND_ROUTER_SOLICIT: |
| 456 | #define RTSOLLEN 8 |
| 457 | if (vflag) { |
| 458 | icmp6_opt_print((const u_char *)dp + RTSOLLEN, |
| 459 | length - RTSOLLEN); |
| 460 | } |
| 461 | break; |
| 462 | case ND_ROUTER_ADVERT: |
| 463 | #define RTADVLEN 16 |
| 464 | if (vflag) { |
| 465 | struct nd_router_advert *p; |
| 466 | |
| 467 | p = (struct nd_router_advert *)dp; |
| 468 | TCHECK(p->nd_ra_retransmit); |
| 469 | printf("\n\thop limit %u, Flags [%s]" \ |
| 470 | ", pref %s, router lifetime %us, reachable time %us, retrans time %us", |
| 471 | (u_int)p->nd_ra_curhoplimit, |
| 472 | bittok2str(icmp6_opt_ra_flag_values,"none",(p->nd_ra_flags_reserved)), |
| 473 | get_rtpref(p->nd_ra_flags_reserved), |
| 474 | EXTRACT_16BITS(&p->nd_ra_router_lifetime), |
| 475 | EXTRACT_32BITS(&p->nd_ra_reachable), |
| 476 | EXTRACT_32BITS(&p->nd_ra_retransmit)); |
| 477 | |
| 478 | icmp6_opt_print((const u_char *)dp + RTADVLEN, |
| 479 | length - RTADVLEN); |
| 480 | } |
| 481 | break; |
| 482 | case ND_NEIGHBOR_SOLICIT: |
| 483 | { |
| 484 | struct nd_neighbor_solicit *p; |
| 485 | p = (struct nd_neighbor_solicit *)dp; |
| 486 | TCHECK(p->nd_ns_target); |
| 487 | printf(", who has %s", ip6addr_string(&p->nd_ns_target)); |
| 488 | if (vflag) { |
| 489 | #define NDSOLLEN 24 |
| 490 | icmp6_opt_print((const u_char *)dp + NDSOLLEN, |
| 491 | length - NDSOLLEN); |
| 492 | } |
| 493 | } |
| 494 | break; |
| 495 | case ND_NEIGHBOR_ADVERT: |
| 496 | { |
| 497 | struct nd_neighbor_advert *p; |
| 498 | |
| 499 | p = (struct nd_neighbor_advert *)dp; |
| 500 | TCHECK(p->nd_na_target); |
| 501 | printf(", tgt is %s", |
| 502 | ip6addr_string(&p->nd_na_target)); |
| 503 | if (vflag) { |
| 504 | printf(", Flags [%s]", |
| 505 | bittok2str(icmp6_nd_na_flag_values, |
| 506 | "none", |
| 507 | EXTRACT_32BITS(&p->nd_na_flags_reserved))); |
| 508 | #define NDADVLEN 24 |
| 509 | icmp6_opt_print((const u_char *)dp + NDADVLEN, |
| 510 | length - NDADVLEN); |
| 511 | #undef NDADVLEN |
| 512 | } |
| 513 | } |
| 514 | break; |
| 515 | case ND_REDIRECT: |
| 516 | #define RDR(i) ((struct nd_redirect *)(i)) |
| 517 | TCHECK(RDR(dp)->nd_rd_dst); |
| 518 | printf(", %s", getname6((const u_char *)&RDR(dp)->nd_rd_dst)); |
| 519 | TCHECK(RDR(dp)->nd_rd_target); |
| 520 | printf(" to %s", |
| 521 | getname6((const u_char*)&RDR(dp)->nd_rd_target)); |
| 522 | #define REDIRECTLEN 40 |
| 523 | if (vflag) { |
| 524 | icmp6_opt_print((const u_char *)dp + REDIRECTLEN, |
| 525 | length - REDIRECTLEN); |
| 526 | } |
| 527 | break; |
| 528 | #undef REDIRECTLEN |
| 529 | #undef RDR |
| 530 | case ICMP6_ROUTER_RENUMBERING: |
| 531 | icmp6_rrenum_print(bp, ep); |
| 532 | break; |
| 533 | case ICMP6_NI_QUERY: |
| 534 | case ICMP6_NI_REPLY: |
| 535 | icmp6_nodeinfo_print(length, bp, ep); |
| 536 | break; |
| 537 | case IND_SOLICIT: |
| 538 | case IND_ADVERT: |
| 539 | break; |
| 540 | case ICMP6_V2_MEMBERSHIP_REPORT: |
| 541 | mldv2_report_print((const u_char *) dp, length); |
| 542 | break; |
| 543 | case ICMP6_MOBILEPREFIX_SOLICIT: /* fall through */ |
| 544 | case ICMP6_HADISCOV_REQUEST: |
| 545 | TCHECK(dp->icmp6_data16[0]); |
| 546 | printf(", id 0x%04x", EXTRACT_16BITS(&dp->icmp6_data16[0])); |
| 547 | break; |
| 548 | case ICMP6_HADISCOV_REPLY: |
| 549 | if (vflag) { |
| 550 | struct in6_addr *in6; |
| 551 | u_char *cp; |
| 552 | |
| 553 | TCHECK(dp->icmp6_data16[0]); |
| 554 | printf(", id 0x%04x", EXTRACT_16BITS(&dp->icmp6_data16[0])); |
| 555 | cp = (u_char *)dp + length; |
| 556 | in6 = (struct in6_addr *)(dp + 1); |
| 557 | for (; (u_char *)in6 < cp; in6++) { |
| 558 | TCHECK(*in6); |
| 559 | printf(", %s", ip6addr_string(in6)); |
| 560 | } |
| 561 | } |
| 562 | break; |
| 563 | case ICMP6_MOBILEPREFIX_ADVERT: |
| 564 | if (vflag) { |
| 565 | TCHECK(dp->icmp6_data16[0]); |
| 566 | printf(", id 0x%04x", EXTRACT_16BITS(&dp->icmp6_data16[0])); |
| 567 | if (dp->icmp6_data16[1] & 0xc0) |
| 568 | printf(" "); |
| 569 | if (dp->icmp6_data16[1] & 0x80) |
| 570 | printf("M"); |
| 571 | if (dp->icmp6_data16[1] & 0x40) |
| 572 | printf("O"); |
| 573 | #define MPADVLEN 8 |
| 574 | icmp6_opt_print((const u_char *)dp + MPADVLEN, |
| 575 | length - MPADVLEN); |
| 576 | } |
| 577 | break; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 578 | case ND_RPL_MESSAGE: |
| 579 | rpl_print(ndo, dp, &dp->icmp6_data8[0], length); |
| 580 | break; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 581 | default: |
| 582 | printf(", length %u", length); |
| 583 | if (vflag <= 1) |
| 584 | print_unknown_data(bp,"\n\t", length); |
| 585 | return; |
| 586 | } |
| 587 | if (!vflag) |
| 588 | printf(", length %u", length); |
| 589 | return; |
| 590 | trunc: |
| 591 | fputs("[|icmp6]", stdout); |
| 592 | } |
| 593 | |
| 594 | static struct udphdr * |
| 595 | get_upperlayer(u_char *bp, u_int *prot) |
| 596 | { |
| 597 | const u_char *ep; |
| 598 | struct ip6_hdr *ip6 = (struct ip6_hdr *)bp; |
| 599 | struct udphdr *uh; |
| 600 | struct ip6_hbh *hbh; |
| 601 | struct ip6_frag *fragh; |
| 602 | struct ah *ah; |
| 603 | u_int nh; |
| 604 | int hlen; |
| 605 | |
| 606 | /* 'ep' points to the end of available data. */ |
| 607 | ep = snapend; |
| 608 | |
| 609 | if (!TTEST(ip6->ip6_nxt)) |
| 610 | return NULL; |
| 611 | |
| 612 | nh = ip6->ip6_nxt; |
| 613 | hlen = sizeof(struct ip6_hdr); |
| 614 | |
| 615 | while (bp < ep) { |
| 616 | bp += hlen; |
| 617 | |
| 618 | switch(nh) { |
| 619 | case IPPROTO_UDP: |
| 620 | case IPPROTO_TCP: |
| 621 | uh = (struct udphdr *)bp; |
| 622 | if (TTEST(uh->uh_dport)) { |
| 623 | *prot = nh; |
| 624 | return(uh); |
| 625 | } |
| 626 | else |
| 627 | return(NULL); |
| 628 | /* NOTREACHED */ |
| 629 | |
| 630 | case IPPROTO_HOPOPTS: |
| 631 | case IPPROTO_DSTOPTS: |
| 632 | case IPPROTO_ROUTING: |
| 633 | hbh = (struct ip6_hbh *)bp; |
| 634 | if (!TTEST(hbh->ip6h_len)) |
| 635 | return(NULL); |
| 636 | nh = hbh->ip6h_nxt; |
| 637 | hlen = (hbh->ip6h_len + 1) << 3; |
| 638 | break; |
| 639 | |
| 640 | case IPPROTO_FRAGMENT: /* this should be odd, but try anyway */ |
| 641 | fragh = (struct ip6_frag *)bp; |
| 642 | if (!TTEST(fragh->ip6f_offlg)) |
| 643 | return(NULL); |
| 644 | /* fragments with non-zero offset are meaningless */ |
| 645 | if ((EXTRACT_16BITS(&fragh->ip6f_offlg) & IP6F_OFF_MASK) != 0) |
| 646 | return(NULL); |
| 647 | nh = fragh->ip6f_nxt; |
| 648 | hlen = sizeof(struct ip6_frag); |
| 649 | break; |
| 650 | |
| 651 | case IPPROTO_AH: |
| 652 | ah = (struct ah *)bp; |
| 653 | if (!TTEST(ah->ah_len)) |
| 654 | return(NULL); |
| 655 | nh = ah->ah_nxt; |
| 656 | hlen = (ah->ah_len + 2) << 2; |
| 657 | break; |
| 658 | |
| 659 | default: /* unknown or undecodable header */ |
| 660 | *prot = nh; /* meaningless, but set here anyway */ |
| 661 | return(NULL); |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | return(NULL); /* should be notreached, though */ |
| 666 | } |
| 667 | |
| 668 | static void |
| 669 | icmp6_opt_print(const u_char *bp, int resid) |
| 670 | { |
| 671 | const struct nd_opt_hdr *op; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 672 | const struct nd_opt_prefix_info *opp; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 673 | const struct nd_opt_mtu *opm; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 674 | const struct nd_opt_rdnss *oprd; |
| 675 | const struct nd_opt_dnssl *opds; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 676 | const struct nd_opt_advinterval *opa; |
| 677 | const struct nd_opt_homeagent_info *oph; |
| 678 | const struct nd_opt_route_info *opri; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 679 | const u_char *cp, *ep, *domp; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 680 | struct in6_addr in6, *in6p; |
| 681 | size_t l; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 682 | u_int i; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 683 | |
| 684 | #define ECHECK(var) if ((u_char *)&(var) > ep - sizeof(var)) return |
| 685 | |
| 686 | cp = bp; |
| 687 | /* 'ep' points to the end of available data. */ |
| 688 | ep = snapend; |
| 689 | |
| 690 | while (cp < ep) { |
| 691 | op = (struct nd_opt_hdr *)cp; |
| 692 | |
| 693 | ECHECK(op->nd_opt_len); |
| 694 | if (resid <= 0) |
| 695 | return; |
| 696 | if (op->nd_opt_len == 0) |
| 697 | goto trunc; |
| 698 | if (cp + (op->nd_opt_len << 3) > ep) |
| 699 | goto trunc; |
| 700 | |
| 701 | printf("\n\t %s option (%u), length %u (%u): ", |
| 702 | tok2str(icmp6_opt_values, "unknown", op->nd_opt_type), |
| 703 | op->nd_opt_type, |
| 704 | op->nd_opt_len << 3, |
| 705 | op->nd_opt_len); |
| 706 | |
| 707 | switch (op->nd_opt_type) { |
| 708 | case ND_OPT_SOURCE_LINKADDR: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 709 | l = (op->nd_opt_len << 3) - 2; |
| 710 | print_lladdr(cp + 2, l); |
| 711 | break; |
| 712 | case ND_OPT_TARGET_LINKADDR: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 713 | l = (op->nd_opt_len << 3) - 2; |
| 714 | print_lladdr(cp + 2, l); |
| 715 | break; |
| 716 | case ND_OPT_PREFIX_INFORMATION: |
| 717 | opp = (struct nd_opt_prefix_info *)op; |
| 718 | TCHECK(opp->nd_opt_pi_prefix); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 719 | printf("%s/%u%s, Flags [%s], valid time %s", |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 720 | ip6addr_string(&opp->nd_opt_pi_prefix), |
| 721 | opp->nd_opt_pi_prefix_len, |
| 722 | (op->nd_opt_len != 4) ? "badlen" : "", |
| 723 | bittok2str(icmp6_opt_pi_flag_values, "none", opp->nd_opt_pi_flags_reserved), |
| 724 | get_lifetime(EXTRACT_32BITS(&opp->nd_opt_pi_valid_time))); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 725 | printf(", pref. time %s", get_lifetime(EXTRACT_32BITS(&opp->nd_opt_pi_preferred_time))); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 726 | break; |
| 727 | case ND_OPT_REDIRECTED_HEADER: |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 728 | print_unknown_data(bp,"\n\t ",op->nd_opt_len<<3); |
| 729 | /* xxx */ |
| 730 | break; |
| 731 | case ND_OPT_MTU: |
| 732 | opm = (struct nd_opt_mtu *)op; |
| 733 | TCHECK(opm->nd_opt_mtu_mtu); |
| 734 | printf(" %u%s", |
| 735 | EXTRACT_32BITS(&opm->nd_opt_mtu_mtu), |
| 736 | (op->nd_opt_len != 1) ? "bad option length" : "" ); |
| 737 | break; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 738 | case ND_OPT_RDNSS: |
| 739 | oprd = (struct nd_opt_rdnss *)op; |
| 740 | l = (op->nd_opt_len - 1) / 2; |
| 741 | printf(" lifetime %us,", |
| 742 | EXTRACT_32BITS(&oprd->nd_opt_rdnss_lifetime)); |
| 743 | for (i = 0; i < l; i++) { |
| 744 | TCHECK(oprd->nd_opt_rdnss_addr[i]); |
| 745 | printf(" addr: %s", |
| 746 | ip6addr_string(&oprd->nd_opt_rdnss_addr[i])); |
| 747 | } |
| 748 | break; |
| 749 | case ND_OPT_DNSSL: |
| 750 | opds = (struct nd_opt_dnssl *)op; |
| 751 | printf(" lifetime %us, domain(s):", |
| 752 | EXTRACT_32BITS(&opds->nd_opt_dnssl_lifetime)); |
| 753 | domp = cp + 8; /* domain names, variable-sized, RFC1035-encoded */ |
| 754 | while (domp < cp + (op->nd_opt_len << 3) && *domp != '\0') |
| 755 | { |
| 756 | printf (" "); |
| 757 | if ((domp = ns_nprint (domp, bp)) == NULL) |
| 758 | goto trunc; |
| 759 | } |
| 760 | break; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 761 | case ND_OPT_ADVINTERVAL: |
| 762 | opa = (struct nd_opt_advinterval *)op; |
| 763 | TCHECK(opa->nd_opt_adv_interval); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 764 | printf(" %ums", EXTRACT_32BITS(&opa->nd_opt_adv_interval)); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 765 | break; |
| 766 | case ND_OPT_HOMEAGENT_INFO: |
| 767 | oph = (struct nd_opt_homeagent_info *)op; |
| 768 | TCHECK(oph->nd_opt_hai_lifetime); |
| 769 | printf(" preference %u, lifetime %u", |
| 770 | EXTRACT_16BITS(&oph->nd_opt_hai_preference), |
| 771 | EXTRACT_16BITS(&oph->nd_opt_hai_lifetime)); |
| 772 | break; |
| 773 | case ND_OPT_ROUTE_INFO: |
| 774 | opri = (struct nd_opt_route_info *)op; |
| 775 | TCHECK(opri->nd_opt_rti_lifetime); |
| 776 | memset(&in6, 0, sizeof(in6)); |
| 777 | in6p = (struct in6_addr *)(opri + 1); |
| 778 | switch (op->nd_opt_len) { |
| 779 | case 1: |
| 780 | break; |
| 781 | case 2: |
| 782 | TCHECK2(*in6p, 8); |
| 783 | memcpy(&in6, opri + 1, 8); |
| 784 | break; |
| 785 | case 3: |
| 786 | TCHECK(*in6p); |
| 787 | memcpy(&in6, opri + 1, sizeof(in6)); |
| 788 | break; |
| 789 | default: |
| 790 | goto trunc; |
| 791 | } |
| 792 | printf(" %s/%u", ip6addr_string(&in6), |
| 793 | opri->nd_opt_rti_prefixlen); |
| 794 | printf(", pref=%s", get_rtpref(opri->nd_opt_rti_flags)); |
| 795 | printf(", lifetime=%s", |
| 796 | get_lifetime(EXTRACT_32BITS(&opri->nd_opt_rti_lifetime))); |
| 797 | break; |
| 798 | default: |
| 799 | if (vflag <= 1) { |
| 800 | print_unknown_data(cp+2,"\n\t ", (op->nd_opt_len << 3) - 2); /* skip option header */ |
| 801 | return; |
| 802 | } |
| 803 | break; |
| 804 | } |
| 805 | /* do we want to see an additional hexdump ? */ |
| 806 | if (vflag> 1) |
| 807 | print_unknown_data(cp+2,"\n\t ", (op->nd_opt_len << 3) - 2); /* skip option header */ |
| 808 | |
| 809 | cp += op->nd_opt_len << 3; |
| 810 | resid -= op->nd_opt_len << 3; |
| 811 | } |
| 812 | return; |
| 813 | |
| 814 | trunc: |
| 815 | fputs("[ndp opt]", stdout); |
| 816 | return; |
| 817 | #undef ECHECK |
| 818 | } |
| 819 | |
| 820 | static void |
| 821 | mld6_print(const u_char *bp) |
| 822 | { |
| 823 | struct mld6_hdr *mp = (struct mld6_hdr *)bp; |
| 824 | const u_char *ep; |
| 825 | |
| 826 | /* 'ep' points to the end of available data. */ |
| 827 | ep = snapend; |
| 828 | |
| 829 | if ((u_char *)mp + sizeof(*mp) > ep) |
| 830 | return; |
| 831 | |
| 832 | printf("max resp delay: %d ", EXTRACT_16BITS(&mp->mld6_maxdelay)); |
| 833 | printf("addr: %s", ip6addr_string(&mp->mld6_addr)); |
| 834 | } |
| 835 | |
| 836 | static void |
| 837 | mldv2_report_print(const u_char *bp, u_int len) |
| 838 | { |
| 839 | struct icmp6_hdr *icp = (struct icmp6_hdr *) bp; |
| 840 | u_int group, nsrcs, ngroups; |
| 841 | u_int i, j; |
| 842 | |
| 843 | /* Minimum len is 8 */ |
| 844 | if (len < 8) { |
| 845 | printf(" [invalid len %d]", len); |
| 846 | return; |
| 847 | } |
| 848 | |
| 849 | TCHECK(icp->icmp6_data16[1]); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 850 | ngroups = EXTRACT_16BITS(&icp->icmp6_data16[1]); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 851 | printf(", %d group record(s)", ngroups); |
| 852 | if (vflag > 0) { |
| 853 | /* Print the group records */ |
| 854 | group = 8; |
| 855 | for (i = 0; i < ngroups; i++) { |
| 856 | /* type(1) + auxlen(1) + numsrc(2) + grp(16) */ |
| 857 | if (len < group + 20) { |
| 858 | printf(" [invalid number of groups]"); |
| 859 | return; |
| 860 | } |
| 861 | TCHECK2(bp[group + 4], sizeof(struct in6_addr)); |
| 862 | printf(" [gaddr %s", ip6addr_string(&bp[group + 4])); |
| 863 | printf(" %s", tok2str(mldv2report2str, " [v2-report-#%d]", |
| 864 | bp[group])); |
| 865 | nsrcs = (bp[group + 2] << 8) + bp[group + 3]; |
| 866 | /* Check the number of sources and print them */ |
| 867 | if (len < group + 20 + (nsrcs * sizeof(struct in6_addr))) { |
| 868 | printf(" [invalid number of sources %d]", nsrcs); |
| 869 | return; |
| 870 | } |
| 871 | if (vflag == 1) |
| 872 | printf(", %d source(s)", nsrcs); |
| 873 | else { |
| 874 | /* Print the sources */ |
| 875 | (void)printf(" {"); |
| 876 | for (j = 0; j < nsrcs; j++) { |
| 877 | TCHECK2(bp[group + 20 + j * sizeof(struct in6_addr)], |
| 878 | sizeof(struct in6_addr)); |
| 879 | printf(" %s", ip6addr_string(&bp[group + 20 + j * sizeof(struct in6_addr)])); |
| 880 | } |
| 881 | (void)printf(" }"); |
| 882 | } |
| 883 | /* Next group record */ |
| 884 | group += 20 + nsrcs * sizeof(struct in6_addr); |
| 885 | printf("]"); |
| 886 | } |
| 887 | } |
| 888 | return; |
| 889 | trunc: |
| 890 | (void)printf("[|icmp6]"); |
| 891 | return; |
| 892 | } |
| 893 | |
| 894 | static void |
| 895 | mldv2_query_print(const u_char *bp, u_int len) |
| 896 | { |
| 897 | struct icmp6_hdr *icp = (struct icmp6_hdr *) bp; |
| 898 | u_int mrc; |
| 899 | int mrt, qqi; |
| 900 | u_int nsrcs; |
| 901 | register u_int i; |
| 902 | |
| 903 | /* Minimum len is 28 */ |
| 904 | if (len < 28) { |
| 905 | printf(" [invalid len %d]", len); |
| 906 | return; |
| 907 | } |
| 908 | TCHECK(icp->icmp6_data16[0]); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 909 | mrc = EXTRACT_16BITS(&icp->icmp6_data16[0]); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 910 | if (mrc < 32768) { |
| 911 | mrt = mrc; |
| 912 | } else { |
| 913 | mrt = ((mrc & 0x0fff) | 0x1000) << (((mrc & 0x7000) >> 12) + 3); |
| 914 | } |
| 915 | if (vflag) { |
| 916 | (void)printf(" [max resp delay=%d]", mrt); |
| 917 | } |
| 918 | TCHECK2(bp[8], sizeof(struct in6_addr)); |
| 919 | printf(" [gaddr %s", ip6addr_string(&bp[8])); |
| 920 | |
| 921 | if (vflag) { |
| 922 | TCHECK(bp[25]); |
| 923 | if (bp[24] & 0x08) { |
| 924 | printf(" sflag"); |
| 925 | } |
| 926 | if (bp[24] & 0x07) { |
| 927 | printf(" robustness=%d", bp[24] & 0x07); |
| 928 | } |
| 929 | if (bp[25] < 128) { |
| 930 | qqi = bp[25]; |
| 931 | } else { |
| 932 | qqi = ((bp[25] & 0x0f) | 0x10) << (((bp[25] & 0x70) >> 4) + 3); |
| 933 | } |
| 934 | printf(" qqi=%d", qqi); |
| 935 | } |
| 936 | |
| 937 | TCHECK2(bp[26], 2); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 938 | nsrcs = EXTRACT_16BITS(&bp[26]); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 939 | if (nsrcs > 0) { |
| 940 | if (len < 28 + nsrcs * sizeof(struct in6_addr)) |
| 941 | printf(" [invalid number of sources]"); |
| 942 | else if (vflag > 1) { |
| 943 | printf(" {"); |
| 944 | for (i = 0; i < nsrcs; i++) { |
| 945 | TCHECK2(bp[28 + i * sizeof(struct in6_addr)], |
| 946 | sizeof(struct in6_addr)); |
| 947 | printf(" %s", ip6addr_string(&bp[28 + i * sizeof(struct in6_addr)])); |
| 948 | } |
| 949 | printf(" }"); |
| 950 | } else |
| 951 | printf(", %d source(s)", nsrcs); |
| 952 | } |
| 953 | printf("]"); |
| 954 | return; |
| 955 | trunc: |
| 956 | (void)printf("[|icmp6]"); |
| 957 | return; |
| 958 | } |
| 959 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 960 | static void |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 961 | dnsname_print(const u_char *cp, const u_char *ep) |
| 962 | { |
| 963 | int i; |
| 964 | |
| 965 | /* DNS name decoding - no decompression */ |
| 966 | printf(", \""); |
| 967 | while (cp < ep) { |
| 968 | i = *cp++; |
| 969 | if (i) { |
| 970 | if (i > ep - cp) { |
| 971 | printf("???"); |
| 972 | break; |
| 973 | } |
| 974 | while (i-- && cp < ep) { |
| 975 | safeputchar(*cp); |
| 976 | cp++; |
| 977 | } |
| 978 | if (cp + 1 < ep && *cp) |
| 979 | printf("."); |
| 980 | } else { |
| 981 | if (cp == ep) { |
| 982 | /* FQDN */ |
| 983 | printf("."); |
| 984 | } else if (cp + 1 == ep && *cp == '\0') { |
| 985 | /* truncated */ |
| 986 | } else { |
| 987 | /* invalid */ |
| 988 | printf("???"); |
| 989 | } |
| 990 | break; |
| 991 | } |
| 992 | } |
| 993 | printf("\""); |
| 994 | } |
| 995 | |
| 996 | static void |
| 997 | icmp6_nodeinfo_print(u_int icmp6len, const u_char *bp, const u_char *ep) |
| 998 | { |
| 999 | struct icmp6_nodeinfo *ni6; |
| 1000 | struct icmp6_hdr *dp; |
| 1001 | const u_char *cp; |
| 1002 | size_t siz, i; |
| 1003 | int needcomma; |
| 1004 | |
| 1005 | if (ep < bp) |
| 1006 | return; |
| 1007 | dp = (struct icmp6_hdr *)bp; |
| 1008 | ni6 = (struct icmp6_nodeinfo *)bp; |
| 1009 | siz = ep - bp; |
| 1010 | |
| 1011 | switch (ni6->ni_type) { |
| 1012 | case ICMP6_NI_QUERY: |
| 1013 | if (siz == sizeof(*dp) + 4) { |
| 1014 | /* KAME who-are-you */ |
| 1015 | printf(" who-are-you request"); |
| 1016 | break; |
| 1017 | } |
| 1018 | printf(" node information query"); |
| 1019 | |
| 1020 | TCHECK2(*dp, sizeof(*ni6)); |
| 1021 | ni6 = (struct icmp6_nodeinfo *)dp; |
| 1022 | printf(" ("); /*)*/ |
| 1023 | switch (EXTRACT_16BITS(&ni6->ni_qtype)) { |
| 1024 | case NI_QTYPE_NOOP: |
| 1025 | printf("noop"); |
| 1026 | break; |
| 1027 | case NI_QTYPE_SUPTYPES: |
| 1028 | printf("supported qtypes"); |
| 1029 | i = EXTRACT_16BITS(&ni6->ni_flags); |
| 1030 | if (i) |
| 1031 | printf(" [%s]", (i & 0x01) ? "C" : ""); |
| 1032 | break; |
| 1033 | break; |
| 1034 | case NI_QTYPE_FQDN: |
| 1035 | printf("DNS name"); |
| 1036 | break; |
| 1037 | case NI_QTYPE_NODEADDR: |
| 1038 | printf("node addresses"); |
| 1039 | i = ni6->ni_flags; |
| 1040 | if (!i) |
| 1041 | break; |
| 1042 | /* NI_NODEADDR_FLAG_TRUNCATE undefined for query */ |
| 1043 | printf(" [%s%s%s%s%s%s]", |
| 1044 | (i & NI_NODEADDR_FLAG_ANYCAST) ? "a" : "", |
| 1045 | (i & NI_NODEADDR_FLAG_GLOBAL) ? "G" : "", |
| 1046 | (i & NI_NODEADDR_FLAG_SITELOCAL) ? "S" : "", |
| 1047 | (i & NI_NODEADDR_FLAG_LINKLOCAL) ? "L" : "", |
| 1048 | (i & NI_NODEADDR_FLAG_COMPAT) ? "C" : "", |
| 1049 | (i & NI_NODEADDR_FLAG_ALL) ? "A" : ""); |
| 1050 | break; |
| 1051 | default: |
| 1052 | printf("unknown"); |
| 1053 | break; |
| 1054 | } |
| 1055 | |
| 1056 | if (ni6->ni_qtype == NI_QTYPE_NOOP || |
| 1057 | ni6->ni_qtype == NI_QTYPE_SUPTYPES) { |
| 1058 | if (siz != sizeof(*ni6)) |
| 1059 | if (vflag) |
| 1060 | printf(", invalid len"); |
| 1061 | /*(*/ |
| 1062 | printf(")"); |
| 1063 | break; |
| 1064 | } |
| 1065 | |
| 1066 | |
| 1067 | /* XXX backward compat, icmp-name-lookup-03 */ |
| 1068 | if (siz == sizeof(*ni6)) { |
| 1069 | printf(", 03 draft"); |
| 1070 | /*(*/ |
| 1071 | printf(")"); |
| 1072 | break; |
| 1073 | } |
| 1074 | |
| 1075 | switch (ni6->ni_code) { |
| 1076 | case ICMP6_NI_SUBJ_IPV6: |
| 1077 | if (!TTEST2(*dp, |
| 1078 | sizeof(*ni6) + sizeof(struct in6_addr))) |
| 1079 | break; |
| 1080 | if (siz != sizeof(*ni6) + sizeof(struct in6_addr)) { |
| 1081 | if (vflag) |
| 1082 | printf(", invalid subject len"); |
| 1083 | break; |
| 1084 | } |
| 1085 | printf(", subject=%s", |
| 1086 | getname6((const u_char *)(ni6 + 1))); |
| 1087 | break; |
| 1088 | case ICMP6_NI_SUBJ_FQDN: |
| 1089 | printf(", subject=DNS name"); |
| 1090 | cp = (const u_char *)(ni6 + 1); |
| 1091 | if (cp[0] == ep - cp - 1) { |
| 1092 | /* icmp-name-lookup-03, pascal string */ |
| 1093 | if (vflag) |
| 1094 | printf(", 03 draft"); |
| 1095 | cp++; |
| 1096 | printf(", \""); |
| 1097 | while (cp < ep) { |
| 1098 | safeputchar(*cp); |
| 1099 | cp++; |
| 1100 | } |
| 1101 | printf("\""); |
| 1102 | } else |
| 1103 | dnsname_print(cp, ep); |
| 1104 | break; |
| 1105 | case ICMP6_NI_SUBJ_IPV4: |
| 1106 | if (!TTEST2(*dp, sizeof(*ni6) + sizeof(struct in_addr))) |
| 1107 | break; |
| 1108 | if (siz != sizeof(*ni6) + sizeof(struct in_addr)) { |
| 1109 | if (vflag) |
| 1110 | printf(", invalid subject len"); |
| 1111 | break; |
| 1112 | } |
| 1113 | printf(", subject=%s", |
| 1114 | getname((const u_char *)(ni6 + 1))); |
| 1115 | break; |
| 1116 | default: |
| 1117 | printf(", unknown subject"); |
| 1118 | break; |
| 1119 | } |
| 1120 | |
| 1121 | /*(*/ |
| 1122 | printf(")"); |
| 1123 | break; |
| 1124 | |
| 1125 | case ICMP6_NI_REPLY: |
| 1126 | if (icmp6len > siz) { |
| 1127 | printf("[|icmp6: node information reply]"); |
| 1128 | break; |
| 1129 | } |
| 1130 | |
| 1131 | needcomma = 0; |
| 1132 | |
| 1133 | ni6 = (struct icmp6_nodeinfo *)dp; |
| 1134 | printf(" node information reply"); |
| 1135 | printf(" ("); /*)*/ |
| 1136 | switch (ni6->ni_code) { |
| 1137 | case ICMP6_NI_SUCCESS: |
| 1138 | if (vflag) { |
| 1139 | printf("success"); |
| 1140 | needcomma++; |
| 1141 | } |
| 1142 | break; |
| 1143 | case ICMP6_NI_REFUSED: |
| 1144 | printf("refused"); |
| 1145 | needcomma++; |
| 1146 | if (siz != sizeof(*ni6)) |
| 1147 | if (vflag) |
| 1148 | printf(", invalid length"); |
| 1149 | break; |
| 1150 | case ICMP6_NI_UNKNOWN: |
| 1151 | printf("unknown"); |
| 1152 | needcomma++; |
| 1153 | if (siz != sizeof(*ni6)) |
| 1154 | if (vflag) |
| 1155 | printf(", invalid length"); |
| 1156 | break; |
| 1157 | } |
| 1158 | |
| 1159 | if (ni6->ni_code != ICMP6_NI_SUCCESS) { |
| 1160 | /*(*/ |
| 1161 | printf(")"); |
| 1162 | break; |
| 1163 | } |
| 1164 | |
| 1165 | switch (EXTRACT_16BITS(&ni6->ni_qtype)) { |
| 1166 | case NI_QTYPE_NOOP: |
| 1167 | if (needcomma) |
| 1168 | printf(", "); |
| 1169 | printf("noop"); |
| 1170 | if (siz != sizeof(*ni6)) |
| 1171 | if (vflag) |
| 1172 | printf(", invalid length"); |
| 1173 | break; |
| 1174 | case NI_QTYPE_SUPTYPES: |
| 1175 | if (needcomma) |
| 1176 | printf(", "); |
| 1177 | printf("supported qtypes"); |
| 1178 | i = EXTRACT_16BITS(&ni6->ni_flags); |
| 1179 | if (i) |
| 1180 | printf(" [%s]", (i & 0x01) ? "C" : ""); |
| 1181 | break; |
| 1182 | case NI_QTYPE_FQDN: |
| 1183 | if (needcomma) |
| 1184 | printf(", "); |
| 1185 | printf("DNS name"); |
| 1186 | cp = (const u_char *)(ni6 + 1) + 4; |
| 1187 | if (cp[0] == ep - cp - 1) { |
| 1188 | /* icmp-name-lookup-03, pascal string */ |
| 1189 | if (vflag) |
| 1190 | printf(", 03 draft"); |
| 1191 | cp++; |
| 1192 | printf(", \""); |
| 1193 | while (cp < ep) { |
| 1194 | safeputchar(*cp); |
| 1195 | cp++; |
| 1196 | } |
| 1197 | printf("\""); |
| 1198 | } else |
| 1199 | dnsname_print(cp, ep); |
| 1200 | if ((EXTRACT_16BITS(&ni6->ni_flags) & 0x01) != 0) |
| 1201 | printf(" [TTL=%u]", *(u_int32_t *)(ni6 + 1)); |
| 1202 | break; |
| 1203 | case NI_QTYPE_NODEADDR: |
| 1204 | if (needcomma) |
| 1205 | printf(", "); |
| 1206 | printf("node addresses"); |
| 1207 | i = sizeof(*ni6); |
| 1208 | while (i < siz) { |
| 1209 | if (i + sizeof(struct in6_addr) + sizeof(int32_t) > siz) |
| 1210 | break; |
| 1211 | printf(" %s", getname6(bp + i)); |
| 1212 | i += sizeof(struct in6_addr); |
| 1213 | printf("(%d)", (int32_t)EXTRACT_32BITS(bp + i)); |
| 1214 | i += sizeof(int32_t); |
| 1215 | } |
| 1216 | i = ni6->ni_flags; |
| 1217 | if (!i) |
| 1218 | break; |
| 1219 | printf(" [%s%s%s%s%s%s%s]", |
| 1220 | (i & NI_NODEADDR_FLAG_ANYCAST) ? "a" : "", |
| 1221 | (i & NI_NODEADDR_FLAG_GLOBAL) ? "G" : "", |
| 1222 | (i & NI_NODEADDR_FLAG_SITELOCAL) ? "S" : "", |
| 1223 | (i & NI_NODEADDR_FLAG_LINKLOCAL) ? "L" : "", |
| 1224 | (i & NI_NODEADDR_FLAG_COMPAT) ? "C" : "", |
| 1225 | (i & NI_NODEADDR_FLAG_ALL) ? "A" : "", |
| 1226 | (i & NI_NODEADDR_FLAG_TRUNCATE) ? "T" : ""); |
| 1227 | break; |
| 1228 | default: |
| 1229 | if (needcomma) |
| 1230 | printf(", "); |
| 1231 | printf("unknown"); |
| 1232 | break; |
| 1233 | } |
| 1234 | |
| 1235 | /*(*/ |
| 1236 | printf(")"); |
| 1237 | break; |
| 1238 | } |
| 1239 | return; |
| 1240 | |
| 1241 | trunc: |
| 1242 | fputs("[|icmp6]", stdout); |
| 1243 | } |
| 1244 | |
| 1245 | static void |
| 1246 | icmp6_rrenum_print(const u_char *bp, const u_char *ep) |
| 1247 | { |
| 1248 | struct icmp6_router_renum *rr6; |
| 1249 | const char *cp; |
| 1250 | struct rr_pco_match *match; |
| 1251 | struct rr_pco_use *use; |
| 1252 | char hbuf[NI_MAXHOST]; |
| 1253 | int n; |
| 1254 | |
| 1255 | if (ep < bp) |
| 1256 | return; |
| 1257 | rr6 = (struct icmp6_router_renum *)bp; |
| 1258 | cp = (const char *)(rr6 + 1); |
| 1259 | |
| 1260 | TCHECK(rr6->rr_reserved); |
| 1261 | switch (rr6->rr_code) { |
| 1262 | case ICMP6_ROUTER_RENUMBERING_COMMAND: |
| 1263 | printf("router renum: command"); |
| 1264 | break; |
| 1265 | case ICMP6_ROUTER_RENUMBERING_RESULT: |
| 1266 | printf("router renum: result"); |
| 1267 | break; |
| 1268 | case ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET: |
| 1269 | printf("router renum: sequence number reset"); |
| 1270 | break; |
| 1271 | default: |
| 1272 | printf("router renum: code-#%d", rr6->rr_code); |
| 1273 | break; |
| 1274 | } |
| 1275 | |
| 1276 | printf(", seq=%u", EXTRACT_32BITS(&rr6->rr_seqnum)); |
| 1277 | |
| 1278 | if (vflag) { |
| 1279 | #define F(x, y) ((rr6->rr_flags) & (x) ? (y) : "") |
| 1280 | printf("["); /*]*/ |
| 1281 | if (rr6->rr_flags) { |
| 1282 | printf("%s%s%s%s%s,", F(ICMP6_RR_FLAGS_TEST, "T"), |
| 1283 | F(ICMP6_RR_FLAGS_REQRESULT, "R"), |
| 1284 | F(ICMP6_RR_FLAGS_FORCEAPPLY, "A"), |
| 1285 | F(ICMP6_RR_FLAGS_SPECSITE, "S"), |
| 1286 | F(ICMP6_RR_FLAGS_PREVDONE, "P")); |
| 1287 | } |
| 1288 | printf("seg=%u,", rr6->rr_segnum); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1289 | printf("maxdelay=%u", EXTRACT_16BITS(&rr6->rr_maxdelay)); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1290 | if (rr6->rr_reserved) |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1291 | printf("rsvd=0x%x", EXTRACT_32BITS(&rr6->rr_reserved)); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1292 | /*[*/ |
| 1293 | printf("]"); |
| 1294 | #undef F |
| 1295 | } |
| 1296 | |
| 1297 | if (rr6->rr_code == ICMP6_ROUTER_RENUMBERING_COMMAND) { |
| 1298 | match = (struct rr_pco_match *)cp; |
| 1299 | cp = (const char *)(match + 1); |
| 1300 | |
| 1301 | TCHECK(match->rpm_prefix); |
| 1302 | |
| 1303 | if (vflag > 1) |
| 1304 | printf("\n\t"); |
| 1305 | else |
| 1306 | printf(" "); |
| 1307 | printf("match("); /*)*/ |
| 1308 | switch (match->rpm_code) { |
| 1309 | case RPM_PCO_ADD: printf("add"); break; |
| 1310 | case RPM_PCO_CHANGE: printf("change"); break; |
| 1311 | case RPM_PCO_SETGLOBAL: printf("setglobal"); break; |
| 1312 | default: printf("#%u", match->rpm_code); break; |
| 1313 | } |
| 1314 | |
| 1315 | if (vflag) { |
| 1316 | printf(",ord=%u", match->rpm_ordinal); |
| 1317 | printf(",min=%u", match->rpm_minlen); |
| 1318 | printf(",max=%u", match->rpm_maxlen); |
| 1319 | } |
| 1320 | if (inet_ntop(AF_INET6, &match->rpm_prefix, hbuf, sizeof(hbuf))) |
| 1321 | printf(",%s/%u", hbuf, match->rpm_matchlen); |
| 1322 | else |
| 1323 | printf(",?/%u", match->rpm_matchlen); |
| 1324 | /*(*/ |
| 1325 | printf(")"); |
| 1326 | |
| 1327 | n = match->rpm_len - 3; |
| 1328 | if (n % 4) |
| 1329 | goto trunc; |
| 1330 | n /= 4; |
| 1331 | while (n-- > 0) { |
| 1332 | use = (struct rr_pco_use *)cp; |
| 1333 | cp = (const char *)(use + 1); |
| 1334 | |
| 1335 | TCHECK(use->rpu_prefix); |
| 1336 | |
| 1337 | if (vflag > 1) |
| 1338 | printf("\n\t"); |
| 1339 | else |
| 1340 | printf(" "); |
| 1341 | printf("use("); /*)*/ |
| 1342 | if (use->rpu_flags) { |
| 1343 | #define F(x, y) ((use->rpu_flags) & (x) ? (y) : "") |
| 1344 | printf("%s%s,", |
| 1345 | F(ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME, "V"), |
| 1346 | F(ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME, "P")); |
| 1347 | #undef F |
| 1348 | } |
| 1349 | if (vflag) { |
| 1350 | printf("mask=0x%x,", use->rpu_ramask); |
| 1351 | printf("raflags=0x%x,", use->rpu_raflags); |
| 1352 | if (~use->rpu_vltime == 0) |
| 1353 | printf("vltime=infty,"); |
| 1354 | else |
| 1355 | printf("vltime=%u,", |
| 1356 | EXTRACT_32BITS(&use->rpu_vltime)); |
| 1357 | if (~use->rpu_pltime == 0) |
| 1358 | printf("pltime=infty,"); |
| 1359 | else |
| 1360 | printf("pltime=%u,", |
| 1361 | EXTRACT_32BITS(&use->rpu_pltime)); |
| 1362 | } |
| 1363 | if (inet_ntop(AF_INET6, &use->rpu_prefix, hbuf, |
| 1364 | sizeof(hbuf))) |
| 1365 | printf("%s/%u/%u", hbuf, use->rpu_uselen, |
| 1366 | use->rpu_keeplen); |
| 1367 | else |
| 1368 | printf("?/%u/%u", use->rpu_uselen, |
| 1369 | use->rpu_keeplen); |
| 1370 | /*(*/ |
| 1371 | printf(")"); |
| 1372 | } |
| 1373 | } |
| 1374 | |
| 1375 | return; |
| 1376 | |
| 1377 | trunc: |
| 1378 | fputs("[|icmp6]", stdout); |
| 1379 | } |
| 1380 | |
| 1381 | #endif /* INET6 */ |