File wget-add-support-for-timeout-with-ssl.patch of Package wget.31872

From b8f036d16c508efde5bacfab9a96d8b6c6aeeeb2 Mon Sep 17 00:00:00 2001
From: Karsten Hopp <karsten@redhat.com>
Date: Thu, 11 Jul 2013 11:27:35 +0200
Subject: [PATCH] Fix timeout option when used with SSL

Previously wget didn't honor the --timeout option if the remote host did
not answer SSL handshake

Signed-off-by: Tomas Hozza <thozza@redhat.com>
---

diff --git a/src/openssl.c b/src/openssl.c
index 3924e41ea1..e2eec4f7c2 100644
--- a/src/openssl.c
+++ b/src/openssl.c
@@ -251,24 +251,50 @@ ssl_init (void)
   return false;
 }
 
-struct openssl_transport_context {
+struct openssl_transport_context
+{
   SSL *conn;                    /* SSL connection handle */
   char *last_error;             /* last error printed with openssl_errstr */
 };
 
-static int
-openssl_read (int fd, char *buf, int bufsize, void *arg)
+struct openssl_read_args
 {
-  int ret;
-  struct openssl_transport_context *ctx = arg;
+  int fd;
+  struct openssl_transport_context *ctx;
+  char *buf;
+  int bufsize;
+  int retval;
+};
+
+static void openssl_read_callback(void *arg)
+{
+  struct openssl_read_args *args = (struct openssl_read_args *) arg;
+  struct openssl_transport_context *ctx = args->ctx;
   SSL *conn = ctx->conn;
+  char *buf = args->buf;
+  int bufsize = args->bufsize;
+  int ret;
+
   do
     ret = SSL_read (conn, buf, bufsize);
-  while (ret == -1
-         && SSL_get_error (conn, ret) == SSL_ERROR_SYSCALL
+  while (ret == -1 && SSL_get_error (conn, ret) == SSL_ERROR_SYSCALL
          && errno == EINTR);
+  args->retval = ret;
+}
 
-  return ret;
+static int
+openssl_read (int fd, char *buf, int bufsize, void *arg)
+{
+  struct openssl_read_args args;
+  args.fd = fd;
+  args.buf = buf;
+  args.bufsize = bufsize;
+  args.ctx = (struct openssl_transport_context*) arg;
+
+  if (run_with_timeout(opt.read_timeout, openssl_read_callback, &args)) {
+    return -1;
+  }
+  return args.retval;
 }
 
 static int
@@ -386,6 +412,19 @@ static struct transport_implementation openssl_transport = {
   openssl_peek, openssl_errstr, openssl_close
 };
 
+struct scwt_context
+{
+  SSL *ssl;
+  int result;
+};
+
+static void
+ssl_connect_with_timeout_callback(void *arg)
+{
+  struct scwt_context *ctx = (struct scwt_context *)arg;
+  ctx->result = SSL_connect(ctx->ssl);
+}
+
 /* Perform the SSL handshake on file descriptor FD, which is assumed
    to be connected to an SSL server.  The SSL handle provided by
    OpenSSL is registered with the file descriptor FD using
@@ -398,6 +437,7 @@ bool
 ssl_connect_wget (int fd, const char *hostname)
 {
   SSL *conn;
+  struct scwt_context scwt_ctx;
   struct openssl_transport_context *ctx;
 
   DEBUGP (("Initiating SSL handshake.\n"));
@@ -425,7 +465,14 @@ ssl_connect_wget (int fd, const char *hostname)
   if (!SSL_set_fd (conn, FD_TO_SOCKET (fd)))
     goto error;
   SSL_set_connect_state (conn);
-  if (SSL_connect (conn) <= 0 || SSL_get_state(conn) != SSL_ST_OK)
+
+  scwt_ctx.ssl = conn;
+  if (run_with_timeout(opt.read_timeout, ssl_connect_with_timeout_callback,
+                       &scwt_ctx)) {
+    DEBUGP (("SSL handshake timed out.\n"));
+    goto timeout;
+  }
+  if (scwt_ctx.result <= 0 || SSL_get_state(conn) != SSL_ST_OK)
     goto error;
 
   ctx = xnew0 (struct openssl_transport_context);
@@ -441,6 +488,7 @@ ssl_connect_wget (int fd, const char *hostname)
  error:
   DEBUGP (("SSL handshake failed.\n"));
   print_errors ();
+ timeout:
   if (conn)
     SSL_free (conn);
   return false;