| #!/bin/sh |
| |
| are_all_executable_regular_files() { |
| #local f |
| for f in "$@"; do |
| [ -f "$f" ] && [ -x "$f" ] || return |
| done |
| } |
| export SHELL=/bin/sh |
| LOG_FILE="/var/log/noshell/$USER.`date -u +%F.%H-%M-%S`" |
| [ -d /tmp/playground ] || mkdir /tmp/playground |
| cd /tmp/playground |
| export HOME=/tmp/playground |
| if [ "$1" = -t ] || { [ ! -f /etc/rshrc ] && ! are_all_executable_regular_files /usr/games/dungeon /opt/dungeon/dungeon; }; then |
| exec script -c "export SHELL=/usr/bin/telnet; exec /usr/bin/telnet" -fqt $LOG_FILE 2> $LOG_FILE.time |
| fi |
| if [ -f /etc/rshrc ]; then |
| UESLESS_SHELL="/bin/bash --restricted --noprofile --rcfile /etc/rshrc" |
| else |
| UESLESS_SHELL="/usr/games/dungeon" |
| fi |
| exec script -c "export SHELL=/bin/noshellhere; export PATH=/dev/pts; exec $UESLESS_SHELL" -fqt $LOG_FILE 2> $LOG_FILE.time |