| 1 | #!/bin/bash |
| 2 | |
| 3 | scan_tty() { |
| 4 | port="$1" |
| 5 | rate="$2" |
| 6 | timeout 1 cat < "$port" >/dev/null; |
| 7 | stty -F "$port" "$rate" cs8 cread clocal |
| 8 | timeout 1 cat < "$port" >/dev/null; |
| 9 | ( |
| 10 | banner="$(timeout 7 cat < "$port" | tr '\r\n[:cntrl:]' '...' | grep -i '[a-z0-9]' )" |
| 11 | [ -n "$banner" ] && echo -e "$port $rate:\t$banner" |
| 12 | #echo "$port:$rate:$banner" |
| 13 | ) & |
| 14 | stty -F "$port" "$rate" cs8 cread clocal |
| 15 | sleep 1 |
| 16 | #Windows newlines are fore HP ProCurve Switches... |
| 17 | #echo -ne '\x03\r\n\x04\x03\r\n\r\n\r\n' > "$port" |
| 18 | echo -ne '\x03\r\n\x04\x03' > "$port" |
| 19 | sleep 3 |
| 20 | echo -ne '\r\n\r\n\r\n' > "$port" |
| 21 | wait |
| 22 | } |
| 23 | |
| 24 | printf '\033[?7l' |
| 25 | for port in /dev/ttyUSB*; do |
| 26 | for rate in 115200 38400; do |
| 27 | #echo -ne "\r$port:$rate: " |
| 28 | banner="$(scan_tty "$port" "$rate")"; |
| 29 | [ -n "$banner" ] && echo "$banner"; |
| 30 | echo "$banner" | egrep -i 'linux|root|login|password|user|connect|invalid' >/dev/null && break; |
| 31 | done & |
| 32 | done; |
| 33 | wait |
| 34 | printf '\033[?7h' |