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Change IP structure so that IPv4 addresses are stored in RFC3493 format

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In addition to saving 4 bytes for each instantiation, this change makes IP-related operations faster and clearer.

https://tools.ietf.org/html/rfc3493.html#section-3.7
This commit is contained in:
Davide Beatrici
2021-04-07 21:24:55 +02:00
parent 01663f836d
commit 1708998a11
21 changed files with 295 additions and 403 deletions
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18
src/Mayaqua/Proxy.c
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@ -384,27 +384,27 @@ UINT ProxySocks5Connect(PROXY_PARAM_OUT *out, PROXY_PARAM_IN *in, volatile bool
StrToIP(&target_ip, in->TargetHostname);
// If the IP structure doesn't contain an IP address, the string should be an hostname
if (IsZeroIp(&target_ip))
if (IsZeroIP(&target_ip))
{
UCHAR dest_length = StrLen(in->TargetHostname);
tmp = 3;
WriteBuf(b, &tmp, sizeof(tmp)); // Destination type (hostname)
WriteBuf(b, &dest_length, sizeof(dest_length)); // Destination hostname length
WriteBuf(b, in->TargetHostname, dest_length); // Destination hostname
WriteBuf(b, &tmp, sizeof(tmp)); // Destination type (hostname)
WriteBuf(b, &dest_length, sizeof(dest_length)); // Destination hostname length
WriteBuf(b, in->TargetHostname, dest_length); // Destination hostname
}
else
{
if (IsIP6(&target_ip))
{
tmp = 4;
WriteBuf(b, &tmp, sizeof(tmp)); // Destination type (IPv6)
WriteBuf(b, target_ip.ipv6_addr, sizeof(target_ip.ipv6_addr)); // Destination IPv6 address
WriteBuf(b, &tmp, sizeof(tmp)); // Destination type (IPv6)
WriteBuf(b, target_ip.address, sizeof(target_ip.address)); // Destination IPv6 address
}
else
{
tmp = 1;
WriteBuf(b, &tmp, sizeof(tmp)); // Destination type (IPv4)
WriteBuf(b, target_ip.addr, sizeof(target_ip.addr)); // Destination IPv4 address
WriteBuf(b, &tmp, sizeof(tmp)); // Destination type (IPv4)
WriteBuf(b, IPV4(target_ip.address), IPV4_SIZE); // Destination IPv4 address
}
}
@ -573,7 +573,7 @@ UINT ProxySocks4Connect(PROXY_PARAM_OUT *out, PROXY_PARAM_IN *in, volatile bool
WriteBuf(b, &tmp, sizeof(tmp));
target_port = Endian16(in->TargetPort);
WriteBuf(b, &target_port, sizeof(target_port));
WriteBuf(b, target_ip.addr, sizeof(target_ip.addr));
WriteBuf(b, IPV4(target_ip.address), IPV4_SIZE);
WriteBuf(b, in->Username, StrLen(in->Username) + 1);
ret = SendAll(s, b->Buf, b->Size, false);