Add support for Harmony (#1656)

Harmony is a relatively new (1,5yo) chat protocol with a small community.
This introduces support for Harmony into Matterbridge, using the functionality
specifically designed for bridge bots. The implementation is a modest 200 lines
of code.

3 files changed, 61 insertions, 0 deletions

diff --git a/vendor/golang.org/x/sys/windows/memory_windows.go b/vendor/golang.org/x/sys/windows/memory_windows.go
index 1adb6073..6dc0920a 100644
--- a/vendor/golang.org/x/sys/windows/memory_windows.go
+++ b/vendor/golang.org/x/sys/windows/memory_windows.go
@@ -35,3 +35,14 @@ const (
 	QUOTA_LIMITS_HARDWS_MAX_DISABLE = 0x00000008
 	QUOTA_LIMITS_HARDWS_MAX_ENABLE  = 0x00000004
 )
+
+type MemoryBasicInformation struct {
+	BaseAddress       uintptr
+	AllocationBase    uintptr
+	AllocationProtect uint32
+	PartitionId       uint16
+	RegionSize        uintptr
+	State             uint32
+	Protect           uint32
+	Type              uint32
+}
diff --git a/vendor/golang.org/x/sys/windows/syscall_windows.go b/vendor/golang.org/x/sys/windows/syscall_windows.go
index ff2d45d4..d3b59ae6 100644
--- a/vendor/golang.org/x/sys/windows/syscall_windows.go
+++ b/vendor/golang.org/x/sys/windows/syscall_windows.go
@@ -274,6 +274,11 @@ func NewCallbackCDecl(fn interface{}) uintptr {
 //sys	VirtualAlloc(address uintptr, size uintptr, alloctype uint32, protect uint32) (value uintptr, err error) = kernel32.VirtualAlloc
 //sys	VirtualFree(address uintptr, size uintptr, freetype uint32) (err error) = kernel32.VirtualFree
 //sys	VirtualProtect(address uintptr, size uintptr, newprotect uint32, oldprotect *uint32) (err error) = kernel32.VirtualProtect
+//sys	VirtualProtectEx(process Handle, address uintptr, size uintptr, newProtect uint32, oldProtect *uint32) (err error) = kernel32.VirtualProtectEx
+//sys	VirtualQuery(address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQuery
+//sys	VirtualQueryEx(process Handle, address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) = kernel32.VirtualQueryEx
+//sys	ReadProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesRead *uintptr) (err error) = kernel32.ReadProcessMemory
+//sys	WriteProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesWritten *uintptr) (err error) = kernel32.WriteProcessMemory
 //sys	TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) = mswsock.TransmitFile
 //sys	ReadDirectoryChanges(handle Handle, buf *byte, buflen uint32, watchSubTree bool, mask uint32, retlen *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) = kernel32.ReadDirectoryChangesW
 //sys	FindFirstChangeNotification(path string, watchSubtree bool, notifyFilter uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.FindFirstChangeNotificationW
diff --git a/vendor/golang.org/x/sys/windows/zsyscall_windows.go b/vendor/golang.org/x/sys/windows/zsyscall_windows.go
index e282e246..4ea788e4 100644
--- a/vendor/golang.org/x/sys/windows/zsyscall_windows.go
+++ b/vendor/golang.org/x/sys/windows/zsyscall_windows.go
@@ -303,6 +303,7 @@ var (
 	procReadConsoleW                                         = modkernel32.NewProc("ReadConsoleW")
 	procReadDirectoryChangesW                                = modkernel32.NewProc("ReadDirectoryChangesW")
 	procReadFile                                             = modkernel32.NewProc("ReadFile")
+	procReadProcessMemory                                    = modkernel32.NewProc("ReadProcessMemory")
 	procReleaseMutex                                         = modkernel32.NewProc("ReleaseMutex")
 	procRemoveDirectoryW                                     = modkernel32.NewProc("RemoveDirectoryW")
 	procResetEvent                                           = modkernel32.NewProc("ResetEvent")
@@ -345,12 +346,16 @@ var (
 	procVirtualFree                                          = modkernel32.NewProc("VirtualFree")
 	procVirtualLock                                          = modkernel32.NewProc("VirtualLock")
 	procVirtualProtect                                       = modkernel32.NewProc("VirtualProtect")
+	procVirtualProtectEx                                     = modkernel32.NewProc("VirtualProtectEx")
+	procVirtualQuery                                         = modkernel32.NewProc("VirtualQuery")
+	procVirtualQueryEx                                       = modkernel32.NewProc("VirtualQueryEx")
 	procVirtualUnlock                                        = modkernel32.NewProc("VirtualUnlock")
 	procWTSGetActiveConsoleSessionId                         = modkernel32.NewProc("WTSGetActiveConsoleSessionId")
 	procWaitForMultipleObjects                               = modkernel32.NewProc("WaitForMultipleObjects")
 	procWaitForSingleObject                                  = modkernel32.NewProc("WaitForSingleObject")
 	procWriteConsoleW                                        = modkernel32.NewProc("WriteConsoleW")
 	procWriteFile                                            = modkernel32.NewProc("WriteFile")
+	procWriteProcessMemory                                   = modkernel32.NewProc("WriteProcessMemory")
 	procAcceptEx                                             = modmswsock.NewProc("AcceptEx")
 	procGetAcceptExSockaddrs                                 = modmswsock.NewProc("GetAcceptExSockaddrs")
 	procTransmitFile                                         = modmswsock.NewProc("TransmitFile")
@@ -2636,6 +2641,14 @@ func ReadFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (
 	return
 }
 
+func ReadProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesRead *uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall6(procReadProcessMemory.Addr(), 5, uintptr(process), uintptr(baseAddress), uintptr(unsafe.Pointer(buffer)), uintptr(size), uintptr(unsafe.Pointer(numberOfBytesRead)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
 func ReleaseMutex(mutex Handle) (err error) {
 	r1, _, e1 := syscall.Syscall(procReleaseMutex.Addr(), 1, uintptr(mutex), 0, 0)
 	if r1 == 0 {
@@ -2990,6 +3003,30 @@ func VirtualProtect(address uintptr, size uintptr, newprotect uint32, oldprotect
 	return
 }
 
+func VirtualProtectEx(process Handle, address uintptr, size uintptr, newProtect uint32, oldProtect *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procVirtualProtectEx.Addr(), 5, uintptr(process), uintptr(address), uintptr(size), uintptr(newProtect), uintptr(unsafe.Pointer(oldProtect)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func VirtualQuery(address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall(procVirtualQuery.Addr(), 3, uintptr(address), uintptr(unsafe.Pointer(buffer)), uintptr(length))
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func VirtualQueryEx(process Handle, address uintptr, buffer *MemoryBasicInformation, length uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall6(procVirtualQueryEx.Addr(), 4, uintptr(process), uintptr(address), uintptr(unsafe.Pointer(buffer)), uintptr(length), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
 func VirtualUnlock(addr uintptr, length uintptr) (err error) {
 	r1, _, e1 := syscall.Syscall(procVirtualUnlock.Addr(), 2, uintptr(addr), uintptr(length), 0)
 	if r1 == 0 {
@@ -3046,6 +3083,14 @@ func WriteFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped)
 	return
 }
 
+func WriteProcessMemory(process Handle, baseAddress uintptr, buffer *byte, size uintptr, numberOfBytesWritten *uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall6(procWriteProcessMemory.Addr(), 5, uintptr(process), uintptr(baseAddress), uintptr(unsafe.Pointer(buffer)), uintptr(size), uintptr(unsafe.Pointer(numberOfBytesWritten)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
 func AcceptEx(ls Handle, as Handle, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (err error) {
 	r1, _, e1 := syscall.Syscall9(procAcceptEx.Addr(), 8, uintptr(ls), uintptr(as), uintptr(unsafe.Pointer(buf)), uintptr(rxdatalen), uintptr(laddrlen), uintptr(raddrlen), uintptr(unsafe.Pointer(recvd)), uintptr(unsafe.Pointer(overlapped)), 0)
 	if r1 == 0 {