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Patch potential Privesc exploit in Automatic Shutdown Feature #7

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Patch potential Privesc exploit in Automatic Shutdown Feature #7

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7 changes: 2 additions & 5 deletions slock.c
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Original file line number Diff line number Diff line change
Expand Up @@ -217,11 +217,8 @@ disable_kill(void) {
static void
poweroff(void) {
#if POWEROFF
// Needs sudo privileges - alter your /etc/sudoers file:
// systemd: [username] [hostname] =NOPASSWD: /usr/bin/systemctl poweroff
// sysvinit: [username] [hostname] =NOPASSWD: /usr/bin/shutdown -h now
system("sudo -n systemctl poweroff 2> /dev/null");
system("sudo -n shutdown -h now 2> /dev/null");
// No longer needs sudo privileges. Do not alter your /etc/sudoers file:
system("systemctl poweroff -i 2> /dev/null");
#else
return;
#endif
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