3
4
5
6
7
8
9
10
11
12
13
14
15
16
..
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
..
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
..
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
..
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
* $ cc -Ofast safekill.c -lX11 -lc -osafekill
* © affero general public license
* a utility to make it harder to accidentally nuke
* important windows on i3wm or whatever. */
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
typedef enum { false, true } bool;
char* isvital(char* str) {
start: // tail calls for dipshits
................................................................................
++str; goto start;
} else {
if (str[1] == 'V' && str[2] == '}')
return str;
else { ++str; goto start; }
}
}
int main(const int argc, const char** argv) {
Display *display;
Window focus;
int revert;
bool active;
enum { vitalize, devitalize, hardkill, softkill } op;
if (argc > 3) goto usage;
................................................................................
unsigned long temp = strtoul(argv[2], NULL, 0);
if (errno == EINVAL || errno == ERANGE) goto usage;
if (temp == 0) goto usage;
focus = (Window)temp;
}
if(op == hardkill) {
XDestroyWindow(display,focus);
XSync(display,false);
return 0;
}
XClassHint xclh;
if (XGetClassHint(display,focus,&xclh)) {
char* v;
................................................................................
if (op == vitalize) return 0; // nothing need be done
else if (op == devitalize) {
strcpy(v, v+3);
XSetClassHint(display,focus,&xclh);
XSync(display,false);
} else if (op == softkill) {
printf("softkill forbidden\n");
return 1; // ACCESS DENIED
}
} else {
if (op == vitalize) {
size_t sz=strlen(xclh.res_class); // TODO: remove double-walk
xclh.res_class=realloc(xclh.res_class, sz+4);
xclh.res_class[sz]='{';
................................................................................
xclh.res_class[sz+2]='}';
xclh.res_class[sz+3]=0;
XSetClassHint(display,focus,&xclh);
XSync(display,false);
} else if (op == devitalize) return 0;
else if (op == softkill) {
// ice that motherfucker
XDestroyWindow(display,focus);
XSync(display,false);
return 3;
}
}
} else {
printf("\x1b[1merror:\x1b[m bad window\n");
goto usage;
}
return 0;
usage:
#define info "\x1b[34m-- "
#define param "\x1b[32m"
#define eol "\x1b[m\n"
#define bold "\x1b[1m"
#define nl " "
printf(bold "usage:\x1b[0m %s " " " info "kill active window if non-vital" eol
nl "%1$s -v " param "[id] " info "make [id] or active window vital" eol
nl "%1$s -c " param "[id] " info "clear vital flag on [id] or active window" eol
nl "%1$s -q " param "[id] " info "'emergency' kill w/o reference to vital flag" eol,
argv[0]);
return 1;
}
|
>
<
>
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
|
|
|
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
..
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
..
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
...
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
...
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
* $ cc -Ofast safekill.c -lX11 -lc -osafekill
* © affero general public license
* a utility to make it harder to accidentally nuke
* important windows on i3wm or whatever. */
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
typedef enum { false, true } bool;
char* isvital(char* str) {
start: // tail calls for dipshits
................................................................................
++str; goto start;
} else {
if (str[1] == 'V' && str[2] == '}')
return str;
else { ++str; goto start; }
}
}
Display *display;
void killwin(Window w) {
XEvent ev;
long mask = SubstructureRedirectMask | SubstructureNotifyMask;
ev.xclient.type = ClientMessage;
ev.xclient.serial = 0;
ev.xclient.send_event = True;
ev.xclient.message_type = XInternAtom(display, "_NET_CLOSE_WINDOW", False);
ev.xclient.window = w;
ev.xclient.format = 32;
if(!XSendEvent(display, DefaultRootWindow(display), False, mask, &ev)) {
char* fallback = getenv("k_safekill_fallback");
bool nofb = (*fallback == '0' && fallback[1] == 0);
fprintf(stderr,"\x1b[1mwarning:\x1b[m cannot send _NET_CLOSE_WINDOW event to root window; is your window manager okay?");
if (nofb) {
fprintf(stderr,"\n");
} else {
fprintf(stderr," falling back to XDestroyWindow, but this may wreck your shit - lots of multi-win apps do *not* like it.\n");
XDestroyWindow(display,w);
}
}
}
int main(const int argc, const char** argv) {
Window focus;
int revert;
bool active;
enum { vitalize, devitalize, hardkill, softkill } op;
if (argc > 3) goto usage;
................................................................................
unsigned long temp = strtoul(argv[2], NULL, 0);
if (errno == EINVAL || errno == ERANGE) goto usage;
if (temp == 0) goto usage;
focus = (Window)temp;
}
if(op == hardkill) {
killwin(focus);
XSync(display,false);
return 0;
}
XClassHint xclh;
if (XGetClassHint(display,focus,&xclh)) {
char* v;
................................................................................
if (op == vitalize) return 0; // nothing need be done
else if (op == devitalize) {
strcpy(v, v+3);
XSetClassHint(display,focus,&xclh);
XSync(display,false);
} else if (op == softkill) {
fprintf(stderr, "softkill forbidden\n");
return 1; // ACCESS DENIED
}
} else {
if (op == vitalize) {
size_t sz=strlen(xclh.res_class); // TODO: remove double-walk
xclh.res_class=realloc(xclh.res_class, sz+4);
xclh.res_class[sz]='{';
................................................................................
xclh.res_class[sz+2]='}';
xclh.res_class[sz+3]=0;
XSetClassHint(display,focus,&xclh);
XSync(display,false);
} else if (op == devitalize) return 0;
else if (op == softkill) {
// ice that motherfucker
killwin(focus);
XSync(display,false);
return 3;
}
}
} else {
fprintf(stderr,"\x1b[1merror:\x1b[m bad window\n");
goto usage;
}
return 0;
usage:
#define info "\x1b[34m-- "
#define param "\x1b[32m"
#define eol "\x1b[m\n"
#define bold "\x1b[1m"
#define nl " "
fprintf(stderr, bold "usage:\x1b[0m %s " " " info "kill active window if non-vital" eol
nl "%1$s -v " param "[id] " info "make [id] or active window vital" eol
nl "%1$s -c " param "[id] " info "clear vital flag on [id] or active window" eol
nl "%1$s -q " param "[id] " info "'emergency' kill w/o reference to vital flag" eol,
argv[0]);
return 1;
}
|