Improved reliability and performance, better startup and shutdown semantics, HTTP control plane is now disabled by default
This commit is contained in:
Joseph Henry
266
attic/Utilities.cpp
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266
attic/Utilities.cpp
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/*
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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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