0c63ff041c
* Changed usb-shell behavior, it wait for some user action before continue booting * Rename usb-shell to debug-shell and changed port to 23 * Add `20-debug-shell.sh` script to static code analysis * Enable eth0 interface in initramfs (qemu) * Add additional script to run a shell in order to be able to kill it from a telnet session
56 lines
1.2 KiB
Bash
56 lines
1.2 KiB
Bash
#!/bin/sh
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# shellcheck disable=SC1091
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. ./init_functions.sh
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TELNET_PORT=23
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setup_usb_network
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start_udhcpd
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show_splash /splash-debug-shell.ppm.gz
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echo "Create 'pmos_continue_boot' script"
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{
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echo "#!/bin/sh"
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echo "pkill -f pmos_shell"
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echo "pkill -f pmos_loop_forever"
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echo "pkill -f telnetd.*:${TELNET_PORT}"
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} >/usr/bin/pmos_continue_boot
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chmod +x /usr/bin/pmos_continue_boot
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echo "Create 'pmos_shell' script"
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{
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echo "#!/bin/sh"
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echo "sh"
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} >/usr/bin/pmos_shell
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chmod +x /usr/bin/pmos_shell
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echo "Create 'pmos_loop_forever' script"
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{
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echo "#!/bin/sh"
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echo '. /init_functions.sh'
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echo "loop_forever"
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} >/usr/bin/pmos_loop_forever
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chmod +x /usr/bin/pmos_loop_forever
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echo "Start the telnet daemon"
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{
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echo "#!/bin/sh"
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echo "echo \"Type 'pmos_continue_boot' to continue booting:\""
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echo "sh"
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} >/telnet_connect.sh
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chmod +x /telnet_connect.sh
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telnetd -b "${IP}:${TELNET_PORT}" -l /telnet_connect.sh
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echo "---"
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echo "WARNING: debug-shell is active on ${IP}:${TELNET_PORT}."
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echo "This is a security hole! Only use it for debugging, and"
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echo "uninstall the debug-shell hook afterwards!"
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echo "---"
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if tty -s; then
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echo "Exit the shell to continue booting:"
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pmos_shell
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else
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echo "No tty attached, looping forever."
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pmos_loop_forever
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fi
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