diff options
| -rw-r--r-- | web/socket/client.scm | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/web/socket/client.scm b/web/socket/client.scm index e690317..2017ab8 100644 --- a/web/socket/client.scm +++ b/web/socket/client.scm @@ -154,9 +154,14 @@ KEY." (define (open-entropy-port) "Return an open input port to a reliable source of entropy for the current system." - ;; XXX: This works on GNU/Linux and OS X systems, but this isn't - ;; exactly portable. - (open-input-file "/dev/urandom")) + (if (file-exists? "/dev/urandom") + (open-input-file "/dev/urandom") + ;; XXX: This works as a fall back but this isn't exactly a + ;; reliable source of entropy. + (make-soft-port (vector (const #f) (const #f) (const #f) + (lambda _ (let ((r (random 256))) (integer->char r))) + (const #f) + (const #t)) "r"))) (define (make-websocket uri-or-string) "Create and establish a new WebSocket connection for the remote |