projects / thirdparty / squid.git / blame
| Commit | Line | Data |
|---|---|---|
| a98c2da5 AJ |
1 | /* |
| 2 | * DEBUG: section ?? EUI-64 Handling | |
| 3 | * AUTHOR: Amos Jeffries | |
| 4 | * | |
| 5 | * Copyright (c) 2009, Amos Jeffries <squid3@treenet.co.nz> | |
| 6 | */ | |
| 7 | ||
| 8 | #include "config.h" | |
| 9 | ||
| 10 | #if USE_SQUID_EUI | |
| 11 | ||
| 27bc2077 | 12 | #include "compat/eui64_aton.h" |
| a98c2da5 AJ |
13 | #include "Debug.h" |
| 14 | #include "eui/Eui64.h" | |
| 15 | #include "globals.h" | |
| 16 | #include "ip/IpAddress.h" | |
| 17 | ||
| a98c2da5 AJ |
18 | bool |
| 19 | Eui::Eui64::decode(const char *asc) | |
| 20 | { | |
| 21 | if (eui64_aton(asc, (struct eui64 *)eui) != 0) return false; | |
| 22 | ||
| 23 | return true; | |
| 24 | } | |
| 25 | ||
| 26 | bool | |
| 27 | Eui::Eui64::encode(char *buf, const int len) | |
| 28 | { | |
| 29 | if (len < SZ_EUI64_BUF) return false; | |
| 30 | ||
| 31 | snprintf(buf, len, "%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x", | |
| 32 | eui[0], eui[1], eui[2], eui[3], | |
| 33 | eui[4], eui[5], eui[6], eui[7]); | |
| 34 | return true; | |
| 35 | } | |
| 36 | ||
| 37 | // return binary representation of the EUI | |
| 38 | bool | |
| b7ac5457 | 39 | Eui::Eui64::lookup(Ip::Address &c) |
| a98c2da5 AJ |
40 | { |
| 41 | /* try to short-circuit slow OS lookups by using SLAAC data */ | |
| 42 | if (lookupSlaac(c)) return true; | |
| 43 | ||
| 44 | // find EUI-64 some other way. NDP table lookup? | |
| 45 | return lookupNdp(c); | |
| 46 | } | |
| 47 | ||
| 48 | bool | |
| b7ac5457 | 49 | Eui::Eui64::lookupSlaac(Ip::Address &c) |
| a98c2da5 AJ |
50 | { |
| 51 | #if USE_IPV6 | |
| 52 | /* RFC 4291 Link-Local unicast addresses which contain SLAAC - usually trustable. */ | |
| 53 | if (c.IsSiteLocal6() && c.IsSlaac() ) { | |
| 54 | ||
| 55 | // strip the final 64 bits of the address... | |
| 56 | struct in6_addr tmp; | |
| 57 | c.GetInAddr(tmp); | |
| 58 | memcpy(eui, &(tmp.s6_addr[8]), SZ_EUI64_BUF); | |
| 59 | ||
| 60 | return true; | |
| 61 | } | |
| 62 | #endif | |
| 63 | return false; | |
| 64 | } | |
| 65 | ||
| 66 | // return binary representation of the EUI | |
| 67 | bool | |
| b7ac5457 | 68 | Eui::Eui64::lookupNdp(Ip::Address &c) |
| a98c2da5 AJ |
69 | { |
| 70 | #if USE_IPV6 | |
| 71 | ||
| 72 | #if 0 /* no OS yet supported for NDP protocol lookup */ | |
| 73 | ||
| 74 | #else | |
| 75 | debugs(28, 0, "ERROR: ARP / MAC / EUI-* operations not supported on this operating system."); | |
| 76 | #endif | |
| 77 | ||
| 78 | /* | |
| 79 | * Address was not found on any interface | |
| 80 | */ | |
| 81 | debugs(28, 3, HERE << c << " NOT found"); | |
| 82 | #else | |
| 83 | debugs(28, 0, "ERROR: IPv6 EUI-64 operations not supported on this operating system."); | |
| 84 | #endif | |
| 85 | ||
| 86 | clear(); | |
| 87 | return false; | |
| 88 | } | |
| 89 | ||
| 90 | #endif /* USE_SQUID_EUI */ |