#include <u.h>#include <libc.h> /* * Since the SSL device uses decimal file descriptors to name channels, * it is impossible for a user-level file server to stand in for the kernel device. * Thus we hard-code #D rather than use /net/ssl. */ intpushssl(int fd, char *alg, char *secin, char *secout, int *cfd){	char buf[8];	char dname[64];	int n, data, ctl; 	ctl = open("#D/ssl/clone", ORDWR);	if(ctl < 0)		return -1;	n = read(ctl, buf, sizeof(buf)-1);	if(n < 0)		goto error;	buf[n] = 0;	sprint(dname, "#D/ssl/%s/data", buf);	data = open(dname, ORDWR);	if(data < 0)		goto error;	if(fprint(ctl, "fd %d", fd) < 0 ||	   fprint(ctl, "secretin %s", secin) < 0 ||	   fprint(ctl, "secretout %s", secout) < 0 ||	   fprint(ctl, "alg %s", alg) < 0){		close(data);		goto error;	}	close(fd);	if(cfd != 0)		*cfd = ctl;	else		close(ctl);	return data;error:	close(ctl);	return -1;}