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ruby-changes:45776

From: naruse <ko1@a...>
Date: Sat, 11 Mar 2017 23:59:47 +0900 (JST)
Subject: [ruby-changes:45776] naruse:r57849 (ruby_2_4): merge revision(s) 57280, 57282: [Backport #13112]

naruse	2017-03-11 23:59:43 +0900 (Sat, 11 Mar 2017)

  New Revision: 57849

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57849

  Log:
    merge revision(s) 57280,57282: [Backport #13112]
    
    console.c: OOB access
    
    * ext/io/console/console.c (console_set_winsize): fix
      out-of-bounds access.  [ruby-core:79004] [Bug #13112]
    console.c: unpaired size
    
    * ext/io/console/console.c (console_set_winsize): reject unpaired
      pixel size.

  Modified directories:
    branches/ruby_2_4/
  Modified files:
    branches/ruby_2_4/ext/io/console/console.c
    branches/ruby_2_4/test/io/console/test_io_console.rb
    branches/ruby_2_4/version.h
Index: ruby_2_4/version.h
===================================================================
--- ruby_2_4/version.h	(revision 57848)
+++ ruby_2_4/version.h	(revision 57849)
@@ -1,6 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/ruby_2_4/version.h#L1
 #define RUBY_VERSION "2.4.0"
 #define RUBY_RELEASE_DATE "2017-03-11"
-#define RUBY_PATCHLEVEL 16
+#define RUBY_PATCHLEVEL 17
 
 #define RUBY_RELEASE_YEAR 2017
 #define RUBY_RELEASE_MONTH 3
Index: ruby_2_4/ext/io/console/console.c
===================================================================
--- ruby_2_4/ext/io/console/console.c	(revision 57848)
+++ ruby_2_4/ext/io/console/console.c	(revision 57849)
@@ -535,12 +535,18 @@ console_set_winsize(VALUE io, VALUE size https://github.com/ruby/ruby/blob/trunk/ruby_2_4/ext/io/console/console.c#L535
     VALUE row, col, xpixel, ypixel;
     const VALUE *sz;
     int fd;
+    long sizelen;
 
     GetOpenFile(io, fptr);
     size = rb_Array(size);
-    rb_check_arity(RARRAY_LENINT(size), 2, 4);
+    if ((sizelen = RARRAY_LEN(size)) != 2 && sizelen != 4) {
+	rb_raise(rb_eArgError,
+		 "wrong number of arguments (given %ld, expected 2 or 4)",
+		 sizelen);
+    }
     sz = RARRAY_CONST_PTR(size);
-    row = sz[0], col = sz[1], xpixel = sz[2], ypixel = sz[3];
+    row = sz[0], col = sz[1], xpixel = ypixel = Qnil;
+    if (sizelen == 4) xpixel = sz[2], ypixel = sz[3];
     fd = GetWriteFD(fptr);
 #if defined TIOCSWINSZ
     ws.ws_row = ws.ws_col = ws.ws_xpixel = ws.ws_ypixel = 0;
Index: ruby_2_4/test/io/console/test_io_console.rb
===================================================================
--- ruby_2_4/test/io/console/test_io_console.rb	(revision 57848)
+++ ruby_2_4/test/io/console/test_io_console.rb	(revision 57849)
@@ -236,11 +236,42 @@ defined?(PTY) and defined?(IO.console) a https://github.com/ruby/ruby/blob/trunk/ruby_2_4/test/io/console/test_io_console.rb#L236
       begin
         assert_equal([0, 0], s.winsize)
       rescue Errno::EINVAL # OpenSolaris 2009.06 TIOCGWINSZ causes Errno::EINVAL before TIOCSWINSZ.
+      else
+        assert_equal([80, 25], s.winsize = [80, 25])
+        assert_equal([80, 25], s.winsize)
+        assert_equal([80, 25], m.winsize)
+        assert_equal([100, 40], m.winsize = [100, 40])
+        assert_equal([100, 40], s.winsize)
+        assert_equal([100, 40], m.winsize)
       end
     }
   end
 
+  def test_set_winsize_invalid_dev
+    [IO::NULL, __FILE__].each do |path|
+      open(path) do |io|
+        begin
+          s = io.winsize
+        rescue SystemCallError => e
+          assert_raise(e.class) {io.winsize = [0, 0]}
+        else
+          assert(false, "winsize on #{path} succeed: #{s.inspect}")
+        end
+        assert_raise(ArgumentError) {io.winsize = [0, 0, 0]}
+      end
+    end
+  end
+
   if IO.console
+    def test_set_winsize_console
+      s = IO.console.winsize
+      assert_kind_of(Array, s)
+      assert_equal(2, s.size)
+      assert_kind_of(Integer, s[0])
+      assert_kind_of(Integer, s[1])
+      assert_nothing_raised(TypeError) {IO.console.winsize = s}
+    end
+
     def test_close
       IO.console.close
       assert_kind_of(IO, IO.console)

Property changes on: ruby_2_4
___________________________________________________________________
Modified: svn:mergeinfo
   Merged /trunk:r57280,57282


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