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[Ttssh2-commit] [4335] ・IPv6対応
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svnnotify ＠ sourceforge.jp
Revision: 4335
http://sourceforge.jp/projects/ttssh2/svn/view?view=rev&revision=4335
Author: doda
Date: 2011-02-24 17:59:02 +0900 (Thu, 24 Feb 2011)
Log Message:
-----------
・IPv6対応
・ダミーのアドレス情報を返す事によって、Proxy使用時はローカル側で名前解決を行わないようにした
Modified Paths:
--------------
trunk/TTProxy/ProxyWSockHook.h
trunk/TTProxy/TTProxy.h
trunk/TTProxy/TTProxy.vcproj
-------------- next part --------------
Modified: trunk/TTProxy/ProxyWSockHook.h
===================================================================
--- trunk/TTProxy/ProxyWSockHook.h 2011-02-24 03:38:07 UTC (rev 4334)
+++ trunk/TTProxy/ProxyWSockHook.h 2011-02-24 08:59:02 UTC (rev 4335)
@@ -49,7 +49,11 @@
private:
struct DUMMYHOSTENT {
struct hostent entry;
+ struct addrinfo ainfo[2];
in_addr addr;
+ struct in6_addr addr6;
+ struct sockaddr_in saddr;
+ struct sockaddr_in6 saddr6;
char* addrlist[2];
char* alias;
char hostname[1];
@@ -467,6 +471,7 @@
String realhost;
unsigned short realport;
in_addr addr;
+ struct in6_addr addr6;
char* buffer;
DWORD time;
ConnectionInfo(ProxyInfo& proxy, String realhost):proxy(proxy), realhost(realhost), buffer(NULL) {
@@ -475,8 +480,21 @@
delete[] buffer;
}
void fillBuffer(char* buffer, int bufferLength) {
+ fillBuffer(buffer, bufferLength, "ssh");
+ }
+ void fillBuffer(char* buffer, int bufferLength, const char *portname) {
+ struct servent *sv;
+ int portnum = 0;
+ if (sv = getservbyname(portname, "tcp")) {
+ portnum = sv->s_port;
+ }
+ else {
+ portnum = atoi(portname);
+ }
+ memset(buffer, 0, bufferLength);
DUMMYHOSTENT* dst = (DUMMYHOSTENT*) buffer;
dst->addr = addr;
+ dst->addr6 = addr6;
dst->addrlist[0] = (char*) &dst->addr;
dst->addrlist[1] = NULL;
dst->entry.h_addr_list = dst->addrlist;
@@ -485,6 +503,35 @@
dst->entry.h_addrtype = AF_INET;
dst->entry.h_length = sizeof (in_addr);
dst->entry.h_name = dst->hostname;
+
+ dst->saddr6.sin6_family = AF_INET6;
+ dst->saddr6.sin6_port = htons(portnum);
+ dst->saddr6.sin6_flowinfo = 0;
+ dst->saddr6.sin6_addr = dst->addr6;
+ dst->saddr6.sin6_scope_id = 0;
+
+ dst->saddr.sin_family = AF_INET;
+ dst->saddr.sin_port = htons(portnum);
+ dst->saddr.sin_addr = dst->addr;
+
+ dst->ainfo[0].ai_flags = 0;
+ dst->ainfo[0].ai_family = PF_INET6;
+ dst->ainfo[0].ai_socktype = SOCK_STREAM;
+ dst->ainfo[0].ai_protocol = IPPROTO_TCP;
+ dst->ainfo[0].ai_addrlen = sizeof(sockaddr_in6);
+ dst->ainfo[0].ai_canonname = NULL;
+ dst->ainfo[0].ai_addr = (struct sockaddr *)(&dst->saddr6);
+ dst->ainfo[0].ai_next = &dst->ainfo[1];
+
+ dst->ainfo[1].ai_flags = 0;
+ dst->ainfo[1].ai_family = PF_INET;
+ dst->ainfo[1].ai_socktype = SOCK_STREAM;
+ dst->ainfo[1].ai_protocol = IPPROTO_TCP;
+ dst->ainfo[1].ai_addrlen = sizeof(sockaddr_in);
+ dst->ainfo[1].ai_canonname = NULL;
+ dst->ainfo[1].ai_addr = (struct sockaddr *)(&dst->saddr);
+ dst->ainfo[1].ai_next = NULL;
+
strcpy_s(dst->hostname, bufferLength - sizeof (DUMMYHOSTENT), realhost);
}
};
@@ -539,6 +586,20 @@
return NULL;
return get(addr.S_un.S_un_b.s_b4 - 1);
}
+ ConnectionInfo* get(in6_addr addr) {
+ int i;
+ for (i=0; i<10; i++) {
+ if (addr.s6_addr[i] != 0)
+ return NULL;
+ }
+ if (addr.s6_addr[10] != 0xff || addr.s6_addr[11] != 0xff)
+ return NULL;
+ for (i=12; i<15; i++) {
+ if (addr.s6_addr[i] != 0)
+ return NULL;
+ }
+ return get(addr.s6_addr[15] - 1);
+ }
ConnectionInfo* get(int index) {
::EnterCriticalSection(§ion);
ConnectionInfo* info = 0 <= index && index < countof(list) ? (ConnectionInfo*) list[index] : NULL;
@@ -590,6 +651,10 @@
table.put(url, info);
::LeaveCriticalSection(§ion);
info->addr.s_addr = htonl(i + 1);
+ memset(info->addr6.s6_addr, 0, 16);
+ info->addr6.s6_addr[10] = 0xff;
+ info->addr6.s6_addr[11] = 0xff;
+ info->addr6.s6_addr[15] = i + 1;
info->time = ::GetTickCount();
return info;
@@ -1670,7 +1735,7 @@
Hooker::hook(module, (FARPROC) HOOKEDAPI_##APINAME, (FARPROC) instance().ORIG_##APINAME);
#define LOADAPI(APINAME) \
- (FARPROC&) ORIG_##APINAME = ::GetProcAddress(wsock32, #APINAME);
+ (FARPROC&) ORIG_##APINAME = ::GetProcAddress(ws2_32, #APINAME);
#define SETUP_HOOKAPI(APINAME) \
Hooker::setup((FARPROC) instance().ORIG_##APINAME, (FARPROC) HOOKEDAPI_##APINAME);
@@ -1686,6 +1751,17 @@
holder = info;
}
}
+ else if (name->sa_family == AF_INET6) {
+ struct sockaddr_in6* in6 = (struct sockaddr_in6*) name;
+ info = connectioninfolist.get(in6->sin6_addr);
+ if (info == NULL && defaultProxy.type != ProxyInfo::TYPE_NONE) {
+ DWORD bufflen = 64;
+ char* buff = new char[64];
+ WSAAddressToString((struct sockaddr*)name, sizeof(struct sockaddr_in6), NULL, buff, &bufflen);
+ info = new ConnectionInfo(defaultProxy, buff);
+ holder = info;
+ }
+ }
if (info != NULL) {
if (info->proxy.type == ProxyInfo::TYPE_NONE_FORCE) {
info = NULL;
@@ -1695,15 +1771,26 @@
hostname = info->realhost;
}else{
info->realport = ntohs(((struct sockaddr_in*) name)->sin_port);
- ((struct sockaddr_in*) name)->sin_port = htons(info->proxy.getPort());
+ if (name->sa_family == AF_INET) {
+ ((struct sockaddr_in*) name)->sin_port = htons(info->proxy.getPort());
+ } else { // AF_INET6
+ ((struct sockaddr_in6*) name)->sin6_port = htons(info->proxy.getPort());
+ }
hostname = info->proxy.host;
}
- struct hostent* entry = ORIG_gethostbyname(hostname);
- if (entry == NULL) {
+ struct addrinfo hints, *res;
+ memset(&hints, 0, sizeof hints);
+ hints.ai_family = name->sa_family;
+ if (getaddrinfo(hostname, NULL, &hints, &res) != 0) {
WSASetLastError(WSAECONNREFUSED);
return SOCKET_ERROR;
}
- memcpy(&((struct sockaddr_in*) name)->sin_addr, entry->h_addr_list[0], entry->h_length);
+ if (name->sa_family == AF_INET) {
+ memcpy(&((struct sockaddr_in*) name)->sin_addr, &((struct sockaddr_in*)res->ai_addr)->sin_addr, sizeof(struct in_addr));
+ } else { // AF_INET6
+ memcpy(&((struct sockaddr_in6*) name)->sin6_addr, &((struct sockaddr_in6*)res->ai_addr)->sin6_addr, sizeof(struct in6_addr));
+ }
+ freeaddrinfo(res);
}
}
int result = ORIG_connect(s, name, namelen);
@@ -1937,6 +2024,45 @@
return handle;
}
+ DECLARE_HOOKAPI(HANDLE, WSAAsyncGetAddrInfo, (HWND window, UINT message, const char* hostname, const char* portname, struct addrinfo* hints, struct addrinfo** res), (window, message, hostname, portname, hints, res)) {
+ ConnectionInfo* info = connectioninfolist.find(hostname);
+ if (info == NULL || info->proxy.type == ProxyInfo::TYPE_NONE_FORCE) {
+ return ORIG_WSAAsyncGetAddrInfo(window, message, hostname, portname, hints, res);
+ }
+ if (info->proxy.type == ProxyInfo::TYPE_SSL
+ || info->proxy.type == ProxyInfo::TYPE_HTTP_SSL
+ || info->proxy.type == ProxyInfo::TYPE_TELNET_SSL
+ || info->proxy.type == ProxyInfo::TYPE_SOCKS4_SSL
+ || info->proxy.type == ProxyInfo::TYPE_SOCKS5_SSL) {
+ if (!SSLSocket::isEnabled()) {
+ ::WSASetLastError(WSAHOST_NOT_FOUND);
+ return NULL;
+ }
+ }
+ HANDLE handle = connectioninfolist.getTask(info);
+ int bufferLength = sizeof (DUMMYHOSTENT) + strlen(hostname) + 1;
+ info->buffer = new char[bufferLength];
+ info->fillBuffer(info->buffer, bufferLength, portname);
+ DUMMYHOSTENT* d = (DUMMYHOSTENT*)info->buffer;
+ *res = d->ainfo;
+ if (aicount < 256) {
+ ailist[aicount++] = d->ainfo;
+ }
+ ::PostMessage(window, message, (WPARAM) handle, MAKELPARAM(0, 0));
+ return handle;
+ }
+
+ DECLARE_HOOKAPI(void, freeaddrinfo, (struct addrinfo* ai), (ai)) {
+ int i;
+ for (i=0; i<aicount; i++) {
+ if (ailist[i] == ai) {
+ return;
+ }
+ }
+ ORIG_freeaddrinfo(ai);
+ return;
+ }
+
DECLARE_HOOKAPI(int, WSAAsyncSelect, (SOCKET s, HWND window, UINT message, long event), (s, window, message, event)) {
asyncselectinfo.put(s, window, message, event);
return ORIG_WSAAsyncSelect(s, window, message, event);
@@ -1993,12 +2119,16 @@
HWND owner;
HMODULE resource_module;
AsyncSelectInfoTable asyncselectinfo;
+ struct addrinfo* ailist[256];
+ int aicount;
- ProxyWSockHook():shower(NULL), owner(NULL), resource_module(GetInstanceHandle()), timeout(0) {
- HMODULE wsock32 = ::GetModuleHandle("wsock32.dll");
+ ProxyWSockHook():shower(NULL), owner(NULL), resource_module(GetInstanceHandle()), timeout(0), aicount(0) {
+ HMODULE ws2_32 = ::GetModuleHandle("ws2_32.dll");
LOADAPI(connect)
LOADAPI(gethostbyname)
LOADAPI(WSAAsyncGetHostByName)
+ LOADAPI(WSAAsyncGetAddrInfo)
+ LOADAPI(freeaddrinfo)
LOADAPI(WSAAsyncSelect)
LOADAPI(WSACancelAsyncRequest)
LOADAPI(send)
@@ -2134,6 +2264,8 @@
SETUP_HOOKAPI(connect)
SETUP_HOOKAPI(gethostbyname)
SETUP_HOOKAPI(WSAAsyncGetHostByName)
+ SETUP_HOOKAPI(WSAAsyncGetAddrInfo)
+ SETUP_HOOKAPI(freeaddrinfo)
SETUP_HOOKAPI(WSAAsyncSelect)
SETUP_HOOKAPI(WSACancelAsyncRequest)
SETUP_HOOKAPI(send)
@@ -2146,6 +2278,8 @@
INSTALL_HOOKAPI(connect)
INSTALL_HOOKAPI(gethostbyname)
INSTALL_HOOKAPI(WSAAsyncGetHostByName)
+ INSTALL_HOOKAPI(WSAAsyncGetAddrInfo)
+ INSTALL_HOOKAPI(freeaddrinfo)
INSTALL_HOOKAPI(WSAAsyncSelect)
INSTALL_HOOKAPI(WSACancelAsyncRequest)
INSTALL_HOOKAPI(send)
@@ -2159,6 +2293,8 @@
UNINSTALL_HOOKAPI(connect)
UNINSTALL_HOOKAPI(gethostbyname)
UNINSTALL_HOOKAPI(WSAAsyncGetHostByName)
+ UNINSTALL_HOOKAPI(WSAAsyncGetAddrInfo)
+ UNINSTALL_HOOKAPI(freeaddrinfo)
UNINSTALL_HOOKAPI(WSAAsyncSelect)
UNINSTALL_HOOKAPI(WSACancelAsyncRequest)
UNINSTALL_HOOKAPI(send)
@@ -2170,7 +2306,7 @@
static String generateURL() {
return instance().defaultProxy.generateURL();
}
- static String parseURL(const char* url, BOOL prefix) {
+ static String parseURL(const char* url, BOOL prefix) {
ProxyInfo proxy;
String realhost = ProxyInfo::parse(url, proxy);
if (realhost != NULL) {
Modified: trunk/TTProxy/TTProxy.h
===================================================================
--- trunk/TTProxy/TTProxy.h 2011-02-24 03:38:07 UTC (rev 4334)
+++ trunk/TTProxy/TTProxy.h 2011-02-24 08:59:02 UTC (rev 4335)
@@ -190,6 +190,8 @@
}
(FARPROC&) *hooks->Pconnect = ProxyWSockHook::hook_connect((FARPROC) *hooks->Pconnect);
(FARPROC&) *hooks->PWSAAsyncGetHostByName = ProxyWSockHook::hook_WSAAsyncGetHostByName((FARPROC) *hooks->PWSAAsyncGetHostByName);
+ (FARPROC&) *hooks->PWSAAsyncGetAddrInfo = ProxyWSockHook::hook_WSAAsyncGetAddrInfo((FARPROC) *hooks->PWSAAsyncGetAddrInfo);
+ (FARPROC&) *hooks->Pfreeaddrinfo = ProxyWSockHook::hook_freeaddrinfo((FARPROC) *hooks->Pfreeaddrinfo);
(FARPROC&) *hooks->PWSAAsyncSelect = ProxyWSockHook::hook_WSAAsyncSelect((FARPROC) *hooks->PWSAAsyncSelect);
(FARPROC&) *hooks->PWSACancelAsyncRequest = ProxyWSockHook::hook_WSACancelAsyncRequest((FARPROC) *hooks->PWSACancelAsyncRequest);
}
@@ -198,6 +200,8 @@
// unhook functions
ProxyWSockHook::unhook_connect((FARPROC) *hooks->Pconnect);
ProxyWSockHook::unhook_WSAAsyncGetHostByName((FARPROC) *hooks->PWSAAsyncGetHostByName);
+ ProxyWSockHook::unhook_WSAAsyncGetAddrInfo((FARPROC) *hooks->PWSAAsyncGetAddrInfo);
+ ProxyWSockHook::unhook_freeaddrinfo((FARPROC) *hooks->Pfreeaddrinfo);
ProxyWSockHook::unhook_WSAAsyncSelect((FARPROC) *hooks->PWSAAsyncSelect);
ProxyWSockHook::unhook_WSACancelAsyncRequest((FARPROC) *hooks->PWSACancelAsyncRequest);
}
Modified: trunk/TTProxy/TTProxy.vcproj
===================================================================
--- trunk/TTProxy/TTProxy.vcproj 2011-02-24 03:38:07 UTC (rev 4334)
+++ trunk/TTProxy/TTProxy.vcproj 2011-02-24 08:59:02 UTC (rev 4335)
@@ -77,7 +77,7 @@
<Tool
Name="VCLinkerTool"
IgnoreImportLibrary="true"
- AdditionalDependencies="wsock32.lib ttpcmn.lib"
+ AdditionalDependencies="ws2_32.lib ttpcmn.lib"
OutputFile="Release/TTXProxy.dll"
LinkIncremental="1"
SuppressStartupBanner="true"
@@ -180,7 +180,7 @@
<Tool
Name="VCLinkerTool"
IgnoreImportLibrary="true"
- AdditionalDependencies="wsock32.lib ttpcmn.lib"
+ AdditionalDependencies="ws2_32.lib ttpcmn.lib"
OutputFile="Debug/TTXProxy.dll"
LinkIncremental="2"
SuppressStartupBanner="true"
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