diff options
Diffstat (limited to 'src/Mayaqua/Network.c')
| -rw-r--r-- | src/Mayaqua/Network.c | 55 |
1 files changed, 49 insertions, 6 deletions
diff --git a/src/Mayaqua/Network.c b/src/Mayaqua/Network.c index def2f45e..d0df9010 100644 --- a/src/Mayaqua/Network.c +++ b/src/Mayaqua/Network.c @@ -3,9 +3,9 @@ //
// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
//
-// Copyright (c) 2012-2015 Daiyuu Nobori.
-// Copyright (c) 2012-2015 SoftEther VPN Project, University of Tsukuba, Japan.
-// Copyright (c) 2012-2015 SoftEther Corporation.
+// Copyright (c) 2012-2016 Daiyuu Nobori.
+// Copyright (c) 2012-2016 SoftEther VPN Project, University of Tsukuba, Japan.
+// Copyright (c) 2012-2016 SoftEther Corporation.
//
// All Rights Reserved.
//
@@ -15170,6 +15170,11 @@ SOCK *ConnectEx2(char *hostname, UINT port, UINT timeout, bool *cancel_flag) }
SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, char *nat_t_svc_name, UINT *nat_t_error_code, bool try_start_ssl, bool ssl_no_tls, bool no_get_hostname)
{
+ return ConnectEx4(hostname, port, timeout, cancel_flag, nat_t_svc_name, nat_t_error_code, try_start_ssl, ssl_no_tls,
+ no_get_hostname, NULL);
+}
+SOCK *ConnectEx4(char *hostname, UINT port, UINT timeout, bool *cancel_flag, char *nat_t_svc_name, UINT *nat_t_error_code, bool try_start_ssl, bool ssl_no_tls, bool no_get_hostname, IP *ret_ip)
+{
SOCK *sock;
SOCKET s;
struct linger ling;
@@ -15186,6 +15191,7 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha char hint_str[MAX_SIZE];
bool force_use_natt = false;
UINT dummy_int = 0;
+ IP dummy_ret_ip;
// Validate arguments
if (hostname == NULL || port == 0 || port >= 65536 || IsEmptyStr(hostname))
{
@@ -15204,6 +15210,12 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha nat_t_error_code = &dummy_int;
}
+ Zero(&dummy_ret_ip, sizeof(IP));
+ if (ret_ip == NULL)
+ {
+ ret_ip = &dummy_ret_ip;
+ }
+
Zero(hint_str, sizeof(hint_str));
StrCpy(hostname_original, sizeof(hostname_original), hostname);
@@ -15251,10 +15263,27 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha Zero(&ip4, sizeof(ip4));
Zero(&ip6, sizeof(ip6));
- // Forward resolution
- if (GetIP46Ex(&ip4, &ip6, hostname_original, 0, cancel_flag) == false)
+ if (IsZeroIp(ret_ip) == false)
{
- return NULL;
+ // Skip name resolution
+ if (IsIP6(ret_ip))
+ {
+ Copy(&ip6, ret_ip, sizeof(IP));
+ }
+ else
+ {
+ Copy(&ip4, ret_ip, sizeof(IP));
+ }
+
+ Debug("Using cached IP address: %s = %r\n", hostname_original, ret_ip);
+ }
+ else
+ {
+ // Forward resolution
+ if (GetIP46Ex(&ip4, &ip6, hostname_original, 0, cancel_flag) == false)
+ {
+ return NULL;
+ }
}
if (IsZeroIp(&ip4) == false && IsIPLocalHostOrMySelf(&ip4))
@@ -15277,6 +15306,8 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha if (s != INVALID_SOCKET)
{
Copy(¤t_ip, &ip4, sizeof(IP));
+
+ Copy(ret_ip, &ip4, sizeof(IP));
}
}
else if (force_use_natt)
@@ -15290,6 +15321,8 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha StrCpy(nat_t_sock->UnderlayProtocol, sizeof(nat_t_sock->UnderlayProtocol), SOCK_UNDERLAY_NAT_T);
}
+ Copy(ret_ip, &ip4, sizeof(IP));
+
return nat_t_sock;
}
else
@@ -15498,6 +15531,8 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha p1.Result_Tcp_Sock->RemoteHostname = CopyStr(hostname);
}
+ Copy(ret_ip, &ip4, sizeof(IP));
+
return p1.Result_Tcp_Sock;
}
else if (p2.Ok)
@@ -15512,6 +15547,8 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha StrCpy(p2.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p2.Result_Nat_T_Sock->UnderlayProtocol),
SOCK_UNDERLAY_NAT_T);
+ Copy(ret_ip, &ip4, sizeof(IP));
+
return p2.Result_Nat_T_Sock;
}
else if (p4.Ok)
@@ -15524,6 +15561,8 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha StrCpy(p4.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p4.Result_Nat_T_Sock->UnderlayProtocol),
SOCK_UNDERLAY_DNS);
+ Copy(ret_ip, &ip4, sizeof(IP));
+
return p4.Result_Nat_T_Sock;
}
else if (p3.Ok)
@@ -15532,6 +15571,8 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha StrCpy(p3.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p3.Result_Nat_T_Sock->UnderlayProtocol),
SOCK_UNDERLAY_ICMP);
+ Copy(ret_ip, &ip4, sizeof(IP));
+
return p3.Result_Nat_T_Sock;
}
else
@@ -15574,6 +15615,8 @@ SOCK *ConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha Copy(¤t_ip, &ip6, sizeof(IP));
is_ipv6 = true;
+
+ Copy(ret_ip, &ip6, sizeof(IP));
}
}
}
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