fix #1201630 - fix recursion in JPEG magic pattern

file-5.22-jpeg.patch

@@ -0,0 +1,42 @@
+From 9f0601f3c03ffc561a2638c35eaf24308c7b3a72 Mon Sep 17 00:00:00 2001
+From: Christos Zoulas <christos@zoulas.com>
+Date: Fri, 2 Jan 2015 22:40:27 +0000
+Subject: [PATCH] Explain recursion better and avoid double recursion in the
+ masked entries
+
+---
+ magic/Magdir/jpeg | 9 ++++++---
+ 1 file changed, 6 insertions(+), 3 deletions(-)
+
+diff --git a/magic/Magdir/jpeg b/magic/Magdir/jpeg
+index f32f58a..588073f 100644
+--- a/magic/Magdir/jpeg
++++ b/magic/Magdir/jpeg
+@@ -41,7 +41,8 @@
+ # This uses recursion...
+ 0		name		jpeg_segment
+ >0	beshort		0xFFFE
+->>(2.S+2)	use			jpeg_segment
++# Recursion handled by FFE0
++#>>(2.S+2)	use			jpeg_segment
+ >>2	pstring/HJ	x		\b, comment: "%s"
+ 
+ >0	beshort		0xFFC0
+@@ -70,6 +71,7 @@
+ >>(2.S+2)	use			jpeg_segment
+ 
+ >0	beshort		0xFFE1		
++# Recursion handled by FFE0
+ #>>(2.S+2)	use			jpeg_segment
+ >>4	string		Exif		\b, Exif Standard: [
+ >>>10	indirect/r	x		
+@@ -85,7 +87,8 @@
+ # D9: End of image
+ # Dn: Restart
+ >0	beshort&0xFFD0	=0xFFD0
+->>(2.S+2)	use			jpeg_segment
++>>0	beshort&0xFFE0	!0xFFE0
++>>>(2.S+2)	use			jpeg_segment
+ 
+ #>0	beshort		x		unknown 0x%x
+ #>>(2.S+2)	use			jpeg_segment

file.spec

@@ -4,7 +4,7 @@
 Summary: A utility for determining file types
 Name: file
 Version: 5.22
-Release: 4%{?dist}
+Release: 5%{?dist}
 License: BSD
 Group: Applications/File
 Source0: ftp://ftp.astron.com/pub/file/file-%{version}.tar.gz
@@ -21,6 +21,7 @@ Patch8: file-5.14-perl.patch
 Patch14: file-5.19-cafebabe.patch
 Patch15: file-5.22-awk-perl.patch
 Patch16: file-5.22-zlib.patch
+Patch17: file-5.22-jpeg.patch
 URL: http://www.darwinsys.com/file/
 Requires: file-libs = %{version}-%{release}
 BuildRequires: zlib-devel
@@ -92,6 +93,7 @@ file(1) command.
 %patch14 -p1
 %patch15 -p1
 %patch16 -p1
+%patch17 -p1
 
 # Patches can generate *.orig files, which can't stay in the magic dir,
 # otherwise there will be problems with compiling magic file!
@@ -200,6 +202,9 @@ cd %{py3dir}
 %endif
 
 %changelog
+* Mon Jun 22 2015 Jan Kaluza <jkaluza@redhat.com> - 5.22-5
+- fix #1201630 - fix recursion in JPEG magic pattern
+
 * Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 5.22-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild