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@@ -0,0 +1,94 @@
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+package main
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+
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+import (
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+ "fmt"
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+ "log"
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+ "net"
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+ "os"
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+ "strconv"
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+ "strings"
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+)
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+
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+func main() {
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+ const BrotherPort int = 54921
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+ BrotherIP := os.Args[1]
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+ resolution := os.Args[2]
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+ color := os.Args[3]
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+
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+ if net.ParseIP(BrotherIP) == nil {
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+ fmt.Fprintf(os.Stderr, "Invalid IP address. Usage: %s <scanner ip>", os.Args[0])
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+ os.Exit(0)
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+ }
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+
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+ log.Println("Valid IP address, opening socket...")
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+
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+ conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", BrotherIP, BrotherPort))
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+ handleError(err)
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+
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+ sendRequest(conn, resolution, color)
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+
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+ defer conn.Close()
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+}
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+
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+func sendRequest(conn net.Conn, _resolution string, _mode string) {
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+
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+ reply := make([]byte, 128)
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+
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+ resolution := checkResolution(_resolution)
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+ mode, compression := checkMode(_mode)
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+
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+ log.Println("Reading scanner status...")
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+
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+ _, err := conn.Read(reply)
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+ handleError(err)
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+
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+ if "+OK 200" != string(reply[:7]) {
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+ handleError(fmt.Errorf("Invalid reply from scanner: %s", reply))
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+ }
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+
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+ log.Println("Leasing options...")
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+
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+ resp := []byte(fmt.Sprintf("\x1bI\nR=%d,%d\nM=%s\n\x80", resolution, resolution, mode))
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+ _, err = conn.Write(resp)
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+ handleError(err)
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+
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+ _, err = conn.Read(reply)
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+ handleError(err)
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+
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+ response := strings.Split(string(reply), ",")
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+
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+ log.Println("Sending scan request...")
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+
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+ scanRequestFormat := "\x1bX\nR=%v,%v\nM=%s\nC=%s\nJ=MID\nB=50\nN=50\nA=0,0,%v,%v\n\x80"
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+
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+ resp = []byte(fmt.Sprintf(scanRequestFormat, response[1], response[1], mode, compression, response[5], response[6]))
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+ _, err = conn.Write(resp)
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+ handleError(err)
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+}
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+
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+func checkResolution(_resolution string) int {
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+ resolution, err := strconv.Atoi(_resolution)
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+
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+ if err != nil && resolution < 100 {
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+ resolution = 300
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+ }
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+
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+ return resolution
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+}
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+
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+func checkMode(_mode string) (string, string) {
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+
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+ if _mode == "GRAY64" {
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+ return _mode, "NONE"
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+ } else {
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+ return "CGRAY", "JPEG"
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+ }
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+}
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+
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+func handleError(err error) {
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+
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+ if err != nil {
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+ log.Fatal(err)
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+ os.Exit(1)
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+ }
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+}
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v0lp3