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Only the tty1 login session powers off.

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This commit is contained in:
Jonas 'Sortie' Termansen 2016-12-23 07:37:18 +01:00
parent 88a6317700
commit 7de1942803
2 changed files with 26 additions and 2 deletions
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3
sh/sh.c
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@ -1551,6 +1551,9 @@ bool does_line_editing_need_another_line(void* ctx, const char* line)
bool is_outermost_shell(void)
{
char* name = ttyname(0);
if ( !name || strcmp(name, "/dev/tty1") != 0 )
return false;
const char* shlvl_str = getenv("SHLVL");
if ( !shlvl_str )
return true;

25
utils/command-not-found.c
View file

@ -19,11 +19,24 @@
* of a typo.
*/
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
const char* tty_name(void)
{
int tty_fd = open("/dev/tty", O_RDONLY);
const char* result = NULL;
if ( 0 <= tty_fd )
{
result = ttyname(tty_fd);
close(tty_fd);
}
return result ? result : "/dev/tty";
}
void suggest_editor(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
@ -63,7 +76,11 @@ void suggest_logout(const char* filename)
void suggest_poweroff(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
if ( getenv("LOGIN_PID") )
if ( strcmp(tty_name(), "/dev/tty1") != 0 )
{
fprintf(stderr, " Powering off on /dev/tty1.\n");
}
else if ( getenv("LOGIN_PID") )
{
fprintf(stderr, " Exiting your shell normally to logout.\n");
fprintf(stderr, " Login as user 'poweroff' to power off computer.\n");
@ -77,7 +94,11 @@ void suggest_poweroff(const char* filename)
void suggest_reboot(const char* filename)
{
fprintf(stderr, "No command '%s' found, did you mean:\n", filename);
if ( getenv("LOGIN_PID") )
if ( strcmp(tty_name(), "/dev/tty1") != 0 )
{
fprintf(stderr, " Rebooting on /dev/tty1.\n");
}
else if ( getenv("LOGIN_PID") )
{
fprintf(stderr, " Exiting your shell normally to logout.\n");
fprintf(stderr, " Login as user 'reboot' to reboot computer.\n");