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#include <u.h>
#include <libc.h>
#include <auth.h>
int
auth_getkey(char *params)
{
char *name;
int pid;
Waitmsg *w;
/* start /factotum to query for a key */
name = unsharp("#9/bin/factotum");
if(name == nil || access(name, AEXEC) < 0){
werrstr("auth_getkey: no $PLAN9/bin/factotum: 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:
free(name);
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;
}
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