Subversion Repositories planix.SVN

#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;
}