#include #include void getstr(int, char*, int); void main(int argc, char **argv) { char luser[128]; char ruser[128]; char term[128]; char err[128]; USED(argc, argv); 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, NAMELEN-1); luser[NAMELEN-1] = '\0'; execl("/bin/aux/telnetd", "telnetd", "-n", "-u", luser, 0); 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) { n = read(fd, &c, 1); if(n < 0) return; if(n == 0) continue; *str++ = c; if(c == 0) break; len--; } }