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#include "warn.h"
#include "util.h"
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <pwd.h>
struct action {
const char *message;
const char *title;
int level;
};
static struct action actions[WARN_ENUM_END] = {
[WARN_REBOOT] = {
.level = 50,
.title = "Neustart des Rechners",
.message =
"Dieser PC wird in %02d:%02d neu gestartet. Bitte speichern Sie Ihre Arbeit und beenden Sie die Sitzung.\n\n"
"This Computer will reboot in %02d:%02d. Please save your work and end the session."
},
[WARN_POWEROFF] = {
.level = 50,
.title = "Herunterfahren des Rechners",
.message =
"Dieser PC wird in %02d:%02d heruntergefahren. Bitte speichern Sie Ihre Arbeit und beenden Sie die Sitzung.\n\n"
"This Computer will power down in %02d:%02d. Please save your work and end the session."
},
[WARN_LOGOUT] = {
.level = 40,
.title = "Inaktivität",
.message =
"Diese Sitzung scheint inaktiv und wird bei weiterer Inaktivität in %02d:%02d beendet.\n\n"
"This session seems inactive and will be killed in %02d:%02d if no further activity is detected."
},
[WARN_LOGOUT_LOW] = {
.level = 30,
.title = "Inaktivität",
.message =
"Diese Sitzung scheint inaktiv und wird bei weiterer Inaktivität in %02d:%02d beendet.\n\n"
"This session seems inactive and will be killed in %02d:%02d if no further activity is detected."
},
};
void warn_showDefaultWarning( struct user *usr, enum Warning what, int seconds )
{
const time_t NOW = now();
if ( what < 0 || what >= WARN_ENUM_END )
return; // Invalid!
struct action *warning = &actions[what];
if ( usr->lastWarn + 30 > NOW && warning->level <= usr->lastWarnLevel )
return; // Ignore
usr->lastWarn = NOW;
usr->lastWarnLevel = warning->level;
if ( seconds > 60 ) {
seconds = ( seconds / 10 ) * 10;
}
int minutes = seconds / 60;
seconds %= 60;
char buffer[1000];
snprintf( buffer, sizeof(buffer), warning->message, minutes, seconds, minutes, seconds );
warn_showCustomWarning( usr, warning->title, buffer );
}
void warn_showCustomWarning( const struct user *usr, const char *title, const char *body )
{
// Text or X11 warning
if ( *usr->display ) {
// notify-send
if ( doublefork() ) {
char buf[300];
uid_t uid;
struct passwd *u = getpwnam( usr->user );
struct stat tmp;
if ( u == NULL ) {
uid = geteuid();
} else {
uid = u->pw_uid;
}
switchUserSafe( usr->user );
snprintf( buf, sizeof(buf), "unix:path=/run/user/%u/bus", (unsigned int)uid );
if ( stat( buf + 10, &tmp ) == 0 ) {
setenv( "DBUS_SESSION_BUS_ADDRESS", buf, 1 );
}
setenv( "DISPLAY", usr->display, 1 );
if ( usr->xauth[0] != '\0' && usr->xauth[0] != '-' ) {
setenv( "XAUTHORITY", usr->xauth, 1 );
}
run( false, "notify-send", "-t", "15000", title, body, (char*)NULL );
}
} else {
// write to device
char dev[100];
snprintf( dev, sizeof(dev), "/dev/%s", usr->device );
FILE *fh = fopen( dev, "w" );
if ( fh == NULL )
return;
fputs( "\n\n****************************\n", fh );
fputs( title, fh );
fputs( "\n****************************\n", fh );
fputs( body, fh );
fputs( "\n****************************\n\n", fh );
fclose( fh );
}
}
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