term

main.go

@@ -96,17 +96,23 @@ func handleChannel(channel ssh.Channel, requests <-chan *ssh.Request) {
 	defer channel.Close()
 	var ptmx *os.File
 	var termWidth, termHeight uint32 = 80, 24
+	var term string
 	for req := range requests {
 		switch req.Type {
 		case "pty-req":
-			if len(req.Payload) >= 8 {
-				width := binary.BigEndian.Uint32(req.Payload[len(req.Payload)-8:])
-				height := binary.BigEndian.Uint32(req.Payload[len(req.Payload)-4:])
-				if width > 0 {
-					termWidth = width
+			if len(req.Payload) >= 4 {
+				termLen := binary.BigEndian.Uint32(req.Payload[0:4])
+				if len(req.Payload) >= int(4+termLen+16) {
+					term = string(req.Payload[4 : 4+termLen])
+					log.Println("Client TERM:", term)
+					cols := binary.BigEndian.Uint32(req.Payload[4+termLen : 4+termLen+4])
+					rows := binary.BigEndian.Uint32(req.Payload[4+termLen+4 : 4+termLen+8])
+					if cols > 0 {
+						termWidth = cols
+					}
+					if rows > 0 {
+						termHeight = rows
 					}
-				if height > 0 {
-					termHeight = height
 				}
 			}
 			req.Reply(true, nil)
@@ -130,7 +136,11 @@ func handleChannel(channel ssh.Channel, requests <-chan *ssh.Request) {
 				command = "/app/tui"
 			}
 			cmd := exec.Command(command)
-			cmd.Env = []string{"PATH=/bin", "TERM=xterm-256color"}
+			envTerm := "TERM=xterm-256color"
+			if term != "" {
+				envTerm = "TERM=" + term
+			}
+			cmd.Env = []string{"PATH=/bin", envTerm}
 			cmd.Dir = "/"
 			var err error
 			ptmx, err = pty.StartWithSize(cmd, &pty.Winsize{Cols: uint16(termWidth), Rows: uint16(termHeight)})