diff options
| author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-27 14:35:49 +0000 |
|---|---|---|
| committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-27 14:35:49 +0000 |
| commit | e0cb040a9b034cff481d7660dc59ce060777d6b1 (patch) | |
| tree | f7a2f496b515c820d6ecd3d6c3212cc670a6fbb0 /ext | |
| parent | 62a02670ecbad7e931c6c5b6d1bcec423ac7b81d (diff) | |
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.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@58151 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/io/console/console.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/ext/io/console/console.c b/ext/io/console/console.c index fd3f03b6b4..a408fd0870 100644 --- a/ext/io/console/console.c +++ b/ext/io/console/console.c @@ -525,12 +525,18 @@ console_set_winsize(VALUE io, VALUE size) 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; |