Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <auth.h>
#include <fcall.h>
#include "../boot/boot.h"

char    *authaddr;
static void glenda(void);

void
authentication(int cpuflag)
{
        char *s;
        char *argv[16], **av;
        int ac;

        if(access("/boot/factotum", AEXEC) < 0){
                glenda();
                return;
        }

        /* start agent */
        ac = 0;
        av = argv;
        av[ac++] = "factotum";
        if(getenv("debugfactotum"))
                av[ac++] = "-p";
        s = getenv("factotumopts");
        if(s != nil && *s != '\0')
                av[ac++] = s;
//      av[ac++] = "-d";                /* debug traces */
//      av[ac++] = "-D";                /* 9p messages */
        if(cpuflag)
                av[ac++] = "-S";
        else
                av[ac++] = "-u";
        av[ac++] = "-sfactotum";
        if(authaddr != nil){
                av[ac++] = "-a";
                av[ac++] = authaddr;
        }
        av[ac] = 0;
        switch(fork()){
        case -1:
                fatal("starting factotum");
        case 0:
                exec("/boot/factotum", av);
                fatal("execing /boot/factotum");
        }

        /* wait for agent to really be there */
        while(access("/mnt/factotum", 0) < 0)
                sleep(250);
}

static void
glenda(void)
{
        int fd;
        char *s;

        s = getenv("user");
        if(s == nil)
                s = "glenda";

        fd = open("#c/hostowner", OWRITE);
        if(fd >= 0){
                if(write(fd, s, strlen(s)) != strlen(s))
                        fprint(2, "setting #c/hostowner to %s: %r\n", s);
                close(fd);
        }
}