Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>

void    getstr(int, char*, int);

void
main(void)
{
        char luser[128], ruser[128], term[128], err[128];

        getstr(0, err, sizeof(err));
        getstr(0, ruser, sizeof(ruser));
        getstr(0, luser, sizeof(luser));
        getstr(0, term, sizeof(term));
        write(0, "", 1);

        if(luser[0] == '\0')
                strncpy(luser, ruser, sizeof luser);
        luser[sizeof luser-1] = '\0';
        syslog(0, "telnet", "rlogind %s", luser);
        execl("/bin/ip/telnetd", "telnetd", "-n", "-u", luser, nil);
        fprint(2, "can't exec con service: %r\n");
        exits("can't exec");
}

void
getstr(int fd, char *str, int len)
{
        char c;
        int n;

        while(--len > 0){
                n = read(fd, &c, 1);
                if(n < 0)
                        return;
                if(n == 0)
                        continue;
                *str++ = c;
                if(c == 0)
                        break;
        }
        *str = '\0';
}