fix: Correct SELinux permissions

Author: pojntfx

docs/main.md

@@ -132,10 +132,11 @@ $ sudo tee /usr/lib/systemd/system/minitel-getty@.service <<'EOT'
 #  (at your option) any later version.
 
 [Unit]
-Description=Getty on %I
+Description=Serial Getty on %I
 Documentation=man:agetty(8) man:systemd-getty-generator(8)
 Documentation=http://0pointer.de/blog/projects/serial-console.html
-After=systemd-user-sessions.service plymouth-quit-wait.service getty-pre.target
+BindsTo=dev-%i.device
+After=dev-%i.device systemd-user-sessions.service plymouth-quit-wait.service getty-pre.target
 After=rc-local.service
 
 # If additional gettys are spawned during boot then we should make
@@ -150,36 +151,24 @@ IgnoreOnIsolate=yes
 Conflicts=rescue.service
 Before=rescue.service
 
-# On systems without virtual consoles, don't start any getty. Note
-# that serial gettys are covered by serial-getty@.service, not this
-# unit.
-ConditionPathExists=/dev/%I
-
 [Service]
-# the VT is cleared by TTYVTDisallocate
 # The '-o' option value tells agetty to replace 'login' arguments with an
 # option to preserve environment (-p), followed by '--' for safety, and then
 # the entered username.
-ExecStart=/sbin/agetty -o '-p -- \\u' --noclear -c %I 4800 m1b-x80 $TERM
+ExecStart=/usr/bin/sh -c "sudo stty -F /dev/ttyUSB0 4800 istrip cs7 parenb -parodd brkint ignpar icrnl ixon ixany opost onlcr cread hupcl isig icanon echo echoe echok && /sbin/agetty -o '-p -- \\u' -c %I 4800 m1b-x80 $TERM"
 Type=idle
 Restart=always
-RestartSec=0
 UtmpIdentifier=%I
 TTYPath=/dev/%I
 TTYReset=yes
 TTYVHangup=yes
-TTYVTDisallocate=yes
 IgnoreSIGPIPE=no
 SendSIGHUP=yes
 
-# Unset locale for the console getty since the console has problems
-# displaying some internationalized messages.
-UnsetEnvironment=LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT LC_IDEN>
-
 [Install]
 WantedBy=getty.target
-DefaultInstance=tty1
 EOT
+$ sudo chcon -t tty_device_t /dev/ttyUSB0
 $ sudo systemctl daemon-reload
 $ sudo systemctl enable --now minitel-getty@ttyUSB0
 ```