check in some experimental X.509 parsing code

init_tls_context.c

@@ -0,0 +1,19 @@
+#include "tinytls.h"
+#include "open.h"
+#include <unistd.h>
+
+void init_tls_context_norandom(struct ssl_context* sc, const char* servername) {
+  memset(sc,0,sizeof *sc);
+  sc->servername=servername;
+}
+
+int init_tls_context(struct ssl_context* sc, const char* servername) {
+  int fd=open_read("/dev/urandom");
+  int r;
+  if (fd==-1) return -1;
+  init_tls_context_norandom(sc,servername);
+  r=read(fd,sc->myrandom,sizeof(sc->myrandom));
+  close(fd);
+  if (r!=sizeof(sc->myrandom)) return -1;
+  return 0;
+}