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266 lines
7.4 KiB
266 lines
7.4 KiB
/* |
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* ZeroTier SDK - Network Virtualization Everywhere |
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* Copyright (C) 2011-2018 ZeroTier, Inc. https://www.zerotier.com/ |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* -- |
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* |
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* You can be released from the requirements of the license by purchasing |
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* a commercial license. Buying such a license is mandatory as soon as you |
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* develop commercial closed-source software that incorporates or links |
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* directly against ZeroTier software without disclosing the source code |
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* of your own application. |
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*/ |
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/** |
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* @file |
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* |
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* Misc utilities |
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*/ |
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/* |
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#include "Utilities.h" |
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#if defined(_WIN32_FALSE) |
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#include <WinSock2.h> |
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#include <stdint.h> |
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#include <string.h> |
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int inet_pton4(const char *src, void *dst) |
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{ |
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uint8_t tmp[NS_INADDRSZ], *tp; |
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int saw_digit = 0; |
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int octets = 0; |
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*(tp = tmp) = 0; |
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int ch; |
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while ((ch = *src++) != '\0') |
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{ |
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if (ch >= '0' && ch <= '9') |
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{ |
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uint32_t n = *tp * 10 + (ch - '0'); |
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if (saw_digit && *tp == 0) |
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return 0; |
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if (n > 255) |
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return 0; |
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*tp = n; |
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if (!saw_digit) |
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{ |
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if (++octets > 4) |
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return 0; |
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saw_digit = 1; |
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} |
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} |
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else if (ch == '.' && saw_digit) |
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{ |
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if (octets == 4) |
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return 0; |
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*++tp = 0; |
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saw_digit = 0; |
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} |
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else |
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return 0; |
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} |
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if (octets < 4) |
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return 0; |
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memcpy(dst, tmp, NS_INADDRSZ); |
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return 1; |
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} |
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*/ |
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/* |
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int inet_pton6(const char *src, void *dst) |
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{ |
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static const char xdigits[] = "0123456789abcdef"; |
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uint8_t tmp[NS_IN6ADDRSZ]; |
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uint8_t *tp = (uint8_t*) memset(tmp, '\0', NS_IN6ADDRSZ); |
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uint8_t *endp = tp + NS_IN6ADDRSZ; |
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uint8_t *colonp = NULL; |
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// Leading :: requires some special handling. |
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if (*src == ':') |
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{ |
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if (*++src != ':') |
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return 0; |
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} |
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const char *curtok = src; |
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int saw_xdigit = 0; |
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uint32_t val = 0; |
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int ch; |
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while ((ch = tolower(*src++)) != '\0') |
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{ |
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const char *pch = strchr(xdigits, ch); |
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if (pch != NULL) |
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{ |
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val <<= 4; |
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val |= (pch - xdigits); |
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if (val > 0xffff) |
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return 0; |
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saw_xdigit = 1; |
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continue; |
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} |
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if (ch == ':') |
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{ |
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curtok = src; |
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if (!saw_xdigit) |
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{ |
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if (colonp) |
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return 0; |
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colonp = tp; |
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continue; |
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} |
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else if (*src == '\0') |
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{ |
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return 0; |
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} |
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if (tp + NS_INT16SZ > endp) |
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return 0; |
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*tp++ = (uint8_t) (val >> 8) & 0xff; |
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*tp++ = (uint8_t) val & 0xff; |
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saw_xdigit = 0; |
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val = 0; |
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continue; |
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} |
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if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) && |
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inet_pton4(curtok, (char*) tp) > 0) |
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{ |
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tp += NS_INADDRSZ; |
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saw_xdigit = 0; |
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break; // '\0' was seen by inet_pton4(). |
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} |
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return 0; |
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} |
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if (saw_xdigit) |
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{ |
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if (tp + NS_INT16SZ > endp) |
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return 0; |
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*tp++ = (uint8_t) (val >> 8) & 0xff; |
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*tp++ = (uint8_t) val & 0xff; |
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} |
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if (colonp != NULL) |
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{ |
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// |
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// Since some memmove()'s erroneously fail to handle |
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// overlapping regions, we'll do the shift by hand. |
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// |
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const int n = tp - colonp; |
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if (tp == endp) |
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return 0; |
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for (int i = 1; i <= n; i++) |
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{ |
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endp[-i] = colonp[n - i]; |
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colonp[n - i] = 0; |
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} |
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tp = endp; |
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} |
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if (tp != endp) |
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return 0; |
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memcpy(dst, tmp, NS_IN6ADDRSZ); |
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return 1; |
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} |
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*/ |
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/* |
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int inet_pton(int af, const char *src, void *dst) |
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{ |
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switch (af) |
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{ |
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case AF_INET: |
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return inet_pton4(src, dst); |
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case AF_INET6: |
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return inet_pton6(src, dst); |
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default: |
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return -1; |
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} |
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} |
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#endif |
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char *beautify_eth_proto_nums(int proto) |
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{ |
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if (proto == 0x0800) return (char*)"IPv4"; |
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if (proto == 0x0806) return (char*)"ARP"; |
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if (proto == 0x0842) return (char*)"Wake-on-LAN"; |
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if (proto == 0x22F3) return (char*)"IETF TRILL Protocol"; |
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if (proto == 0x22EA) return (char*)"Stream Reservation Protocol"; |
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if (proto == 0x6003) return (char*)"DECnet Phase IV"; |
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if (proto == 0x8035) return (char*)"Reverse Address Resolution Protocol"; |
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if (proto == 0x809B) return (char*)"AppleTalk (Ethertalk)"; |
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if (proto == 0x80F3) return (char*)"AppleTalk Address Resolution Protocol (AARP)"; |
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if (proto == 0x8100) return (char*)"VLAN-tagged frame (IEEE 802.1Q) and Shortest Path Bridging IEEE 802.1aq with NNI compatibility"; |
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if (proto == 0x8137) return (char*)"IPX"; |
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if (proto == 0x8204) return (char*)"QNX Qnet"; |
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if (proto == 0x86DD) return (char*)"IPv6"; |
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if (proto == 0x8808) return (char*)"Ethernet flow control"; |
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if (proto == 0x8809) return (char*)"Ethernet Slow Protocols"; |
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if (proto == 0x8819) return (char*)"CobraNet"; |
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if (proto == 0x8847) return (char*)"MPLS unicast"; |
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if (proto == 0x8848) return (char*)"MPLS multicast"; |
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if (proto == 0x8863) return (char*)"PPPoE Discovery Stage"; |
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if (proto == 0x8864) return (char*)"PPPoE Session Stage"; |
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if (proto == 0x886D) return (char*)"Intel Advanced Networking Services"; |
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if (proto == 0x8870) return (char*)"Jumbo Frames (Obsoleted draft-ietf-isis-ext-eth-01)"; |
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if (proto == 0x887B) return (char*)"HomePlug 1.0 MME"; |
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if (proto == 0x888E) return (char*)"EAP over LAN (IEEE 802.1X)"; |
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if (proto == 0x8892) return (char*)"PROFINET Protocol"; |
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if (proto == 0x889A) return (char*)"HyperSCSI (SCSI over Ethernet)"; |
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if (proto == 0x88A2) return (char*)"ATA over Ethernet"; |
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if (proto == 0x88A4) return (char*)"EtherCAT Protocol"; |
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if (proto == 0x88A8) return (char*)"Provider Bridging (IEEE 802.1ad) & Shortest Path Bridging IEEE 802.1aq"; |
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if (proto == 0x88AB) return (char*)"Ethernet Powerlink[citation needed]"; |
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if (proto == 0x88B8) return (char*)"GOOSE (Generic Object Oriented Substation event)"; |
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if (proto == 0x88B9) return (char*)"GSE (Generic Substation Events) Management Services"; |
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if (proto == 0x88BA) return (char*)"SV (Sampled Value Transmission)"; |
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if (proto == 0x88CC) return (char*)"Link Layer Discovery Protocol (LLDP)"; |
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if (proto == 0x88CD) return (char*)"SERCOS III"; |
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if (proto == 0x88DC) return (char*)"WSMP, WAVE Short Message Protocol"; |
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if (proto == 0x88E1) return (char*)"HomePlug AV MME[citation needed]"; |
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if (proto == 0x88E3) return (char*)"Media Redundancy Protocol (IEC62439-2)"; |
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if (proto == 0x88E5) return (char*)"MAC security (IEEE 802.1AE)"; |
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if (proto == 0x88E7) return (char*)"Provider Backbone Bridges (PBB) (IEEE 802.1ah)"; |
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if (proto == 0x88F7) return (char*)"Precision Time Protocol (PTP) over Ethernet (IEEE 1588)"; |
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if (proto == 0x88FB) return (char*)"Parallel Redundancy Protocol (PRP)"; |
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if (proto == 0x8902) return (char*)"IEEE 802.1ag Connectivity Fault Management (CFM) Protocol / ITU-T Recommendation Y.1731 (OAM)"; |
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if (proto == 0x8906) return (char*)"Fibre Channel over Ethernet (FCoE)"; |
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if (proto == 0x8914) return (char*)"FCoE Initialization Protocol"; |
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if (proto == 0x8915) return (char*)"RDMA over Converged Ethernet (RoCE)"; |
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if (proto == 0x891D) return (char*)"TTEthernet Protocol Control Frame (TTE)"; |
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if (proto == 0x892F) return (char*)"High-availability Seamless Redundancy (HSR)"; |
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if (proto == 0x9000) return (char*)"Ethernet Configuration Testing Protocol"; |
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if (proto == 0x9100) return (char*)"VLAN-tagged (IEEE 802.1Q) frame with double tagging"; |
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return (char*)"UNKNOWN"; |
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} |
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*/ |
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/* |
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void mac2str(char *macbuf, int len, unsigned char* addr) |
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{ |
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snprintf(macbuf, len, "%02x:%02x:%02x:%02x:%02x:%02x", |
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addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); |
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} |
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*/
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