blob: 0ae28b1e44613ca66f746cbceb085396ae502c0b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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
|
#include <u.h>
#include <libc.h>
#include <auth.h>
int
auth_getkey(char *params)
{
char *name;
Dir *d;
int pid;
Waitmsg *w;
/* start /factotum to query for a key */
name = "/factotum";
d = dirstat(name);
if(d == nil){
name = "/boot/factotum";
d = dirstat(name);
}
if(d == nil){
werrstr("auth_getkey: no /factotum or /boot/factotum: didn't get key %s", params);
return -1;
}
if(0) if(d->type != '/'){
werrstr("auth_getkey: /factotum may be bad: didn't get key %s", params);
return -1;
}
switch(pid = fork()){
case -1:
werrstr("can't fork for %s: %r", name);
return -1;
case 0:
execl(name, "getkey", "-g", params, nil);
exits(0);
default:
for(;;){
w = wait();
if(w == nil)
break;
if(w->pid == pid){
if(w->msg[0] != '\0'){
free(w);
return -1;
}
free(w);
return 0;
}
}
}
return 0;
}
|