diff options
| -rw-r--r-- | DEPENDENCIES | 1 | ||||
| -rwxr-xr-x | got | 123 |
2 files changed, 68 insertions, 56 deletions
diff --git a/DEPENDENCIES b/DEPENDENCIES index 3deefe3..7a815f2 100644 --- a/DEPENDENCIES +++ b/DEPENDENCIES @@ -2,6 +2,7 @@ RUNTIME DEPENDENCIES: <package> <command> <reason> util-linux login login is used for authorisation and login +util-linux setsid used to start login in a new session bash bash gates-of-tartaros is written in Bash openssh ssh (optional) used for SSH login coreutils env (opt-out) used to get the path to Bash in the shebangs @@ -18,62 +18,73 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. -if [ "$1" = "-" ]; then - tty="$2" - shift 2 - - export "$@" - - display_function=_display - read_function=_read - login_function=_login - - function _display - { - echo -en '\e[H\e[2J' - echo -e "\e[${ANSI_COLOR}m${NAME} (${tty})\e[00m" - echo - echo -n 'Login: ' - } - - function _read - { - read user - } - - function _login - { - if [ ! "${user/@/}" = "${user}" ]; then - export GOT_COMMAND="@ssh@ ${user}" - login -p -f @sshlogin@ - elif [ "${user::1}" = "-" ]; then - stty -icanon -echo -isig -ix{on,off,any} - echo $'\e[01;31mNice try! Sleeping for 10 minutes...\e[00m' - sleep 600 - else - login -- "${user}" - fi - } - - NAME="$(uname -o)" - ANSI_COLOR='01;34' # must be exactly ANSI_COLOR as it is defined in /etc/os-release - if [ -f "@etc@/os-release" ]; then - . "@etc@/os-release" - fi - if [ -f "@etc@/@command@rc" ]; then - . "@etc@/@command@rc" +# Read the parameters: the first is the tty, the rest are exports +tty="$1" +shift 1 +export "$@" + +# Change TTY +exec 0<&- +exec 1<&- +exec 2<&- +exec 0<>"/dev/${tty}" +exec 1>&0 +exec 2>&0 + + +# Store TTY settings so they can be restorted for the next run +tty_settings="$(stty --save)" + + +# Function used for printing information on the terminal for the user +display_function=_display +function _display +{ + echo -en '\e[H\e[2J' + echo -e "\e[${ANSI_COLOR}m${NAME} (${tty})\e[00m" + echo + echo -n 'Login: ' +} + +# Function for reading the username form the terminal +read_function=_read +function _read +{ + read user +} + +# Function for logging in the user +login_function=_login +function _login +{ + if [ ! "${user/@/}" = "${user}" ]; then + export GOT_COMMAND="ssh ${user}" + setsid -c login -p -f sshlogin + elif [ "${user::1}" = "-" ]; then + stty -icanon -echo -isig -ix{on,off,any} + echo $'\e[01;31mNice try! Sleeping for 10 minutes...\e[00m' + sleep 600 + else + setsid -c login -- "${user}" fi - - tty_settings="$(stty --save)" - $display_function - $read_function - $login_function - stty "${tty_settings}" -else - # cannot get any other solution to work with `login` - # than to spawn a new process with the pipes pre-set - - tty="@dev@/$1" - "$0" - "$@" > "${tty}" 2> "${tty}" < "${tty}" +} + + +# Load OS information and extensions +NAME="$(uname -o)" +ANSI_COLOR='01;34' # must be exactly ANSI_COLOR as it is defined in /etc/os-release +if [ -f "/etc/os-release" ]; then + . "/etc/os-release" fi +if [ -f "/etc/gotrc" ]; then + . "/etc/gotrc" +fi + +# Let the user log in +$display_function +$read_function +$login_function + +# Restore the TTY settings for the next run +stty "${tty_settings}" |