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

/*
 * https://code.google.com/p/plan9front/source/detail?r=7bb3e313fdc5c501988f4c58251f70bbd27bafe4
 */
int
mypushssl(int fd, char *alg, uchar *secret, int nsecret)
{
	int ctl, data, secin, secout;
	char buf[8], dname[64], secinname[64], secoutname[64];
	int n;

	if((ctl = open("#D/ssl/clone", ORDWR)) < 0) {
		werrstr("open clone: %r");
		return -1;
	}
	if((n = read(ctl, buf, sizeof(buf) - 1)) < 0) {
		werrstr("read ctl: %r");
		goto cleanupctl;
	}
	buf[n] = '\0';
	sprint(dname, "#D/ssl/%s/data", buf);
	sprint(secinname, "#D/ssl/%s/secretin", buf);
	sprint(secoutname, "#D/ssl/%s/secretout", buf);

	if((data = open(dname, ORDWR)) < 0) {
		werrstr("open data: %r");
		goto cleanupctl;
	}

	if((secin = open(secinname, OWRITE)) < 0) {
		werrstr("open secretin: %r");
		goto cleanupdata;
	}
	if(write(secin, secret, nsecret) != nsecret) {
		werrstr("write secretin: %r");
		goto cleanupdata;
	}
	close(secin);

	if((secout = open(secoutname, OWRITE)) < 0) {
		werrstr("open secretout: %r");
		goto cleanupdata;
	}
	if(write(secout, secret, nsecret) != nsecret) {
		werrstr("write secretout: %r");
		goto cleanupdata;
	}
	close(secout);
	
	if(fprint(ctl, "fd %d", fd) < 0
	|| fprint(ctl, "alg %s", alg) < 0) {
		werrstr("write ctl: %r");
		goto cleanupdata;
	}

	close(fd);
	close(ctl);
	return data;

cleanupdata:
	close(data);
cleanupctl:
	close(ctl);
	return -1;
}