Import sources from 2011-03-30 iso image

1 files changed, 44 insertions, 0 deletions

diff --git a/sys/src/libc/9sys/pushssl.c b/sys/src/libc/9sys/pushssl.c
new file mode 100755
index 000000000..8817dd1c3
--- /dev/null
+++ b/sys/src/libc/9sys/pushssl.c
@@ -0,0 +1,44 @@
+#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.
+ */
+
+int
+pushssl(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;
+}