rpms/krb5
7
0
Fork 0
Code Issues Pull Requests Releases Activity

Add Dhiru Kholia's patch to restore noexecstack

Browse Source 
- add patch from Dhiru Kholia for the AES-NI implementations to allow
  libk5crypto to be properly marked as not needing an executable stack
  on arches where they're used (#1045699, and so many others)
This commit is contained in:
Nalin Dahyabhai 2014-01-02 23:43:55 -05:00
parent 13df2d5386
commit 480b9efaa3
2 changed files with 45 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
krb5-1.12-enable-NX.patch Normal file
View File

@ -0,0 +1,36 @@
diff --git a/src/lib/crypto/builtin/aes/iaesx64.s b/src/lib/crypto/builtin/aes/iaesx64.s
index 1c091c1..3a3d6fc 100644
--- a/src/lib/crypto/builtin/aes/iaesx64.s
+++ b/src/lib/crypto/builtin/aes/iaesx64.s
@@ -834,3 +834,13 @@ lp256encsingle_CBC:
movdqu [r9],xmm1
add rsp,16*16+8
ret
+
+%ifidn __OUTPUT_FORMAT__,elf
+section .note.GNU-stack noalloc noexec nowrite progbits
+%endif
+%ifidn __OUTPUT_FORMAT__,elf32
+section .note.GNU-stack noalloc noexec nowrite progbits
+%endif
+%ifidn __OUTPUT_FORMAT__,elf64
+section .note.GNU-stack noalloc noexec nowrite progbits
+%endif
diff --git a/src/lib/crypto/builtin/aes/iaesx86.s b/src/lib/crypto/builtin/aes/iaesx86.s
index b667acd..03a8670 100644
--- a/src/lib/crypto/builtin/aes/iaesx86.s
+++ b/src/lib/crypto/builtin/aes/iaesx86.s
@@ -871,3 +871,13 @@ lp256encsingle_CBC:
movdqu [ecx],xmm1 ; store last iv for chaining
ret
+
+%ifidn __OUTPUT_FORMAT__,elf
+section .note.GNU-stack noalloc noexec nowrite progbits
+%endif
+%ifidn __OUTPUT_FORMAT__,elf32
+section .note.GNU-stack noalloc noexec nowrite progbits
+%endif
+%ifidn __OUTPUT_FORMAT__,elf64
+section .note.GNU-stack noalloc noexec nowrite progbits
+%endif

12
krb5.spec
View File

@ -41,7 +41,7 @@
Summary: The Kerberos network authentication system
Name: krb5
Version: 1.12
Release: 7%{?dist}
Release: 8%{?dist}
# Maybe we should explode from the now-available-to-everybody tarball instead?
# http://web.mit.edu/kerberos/dist/krb5/1.12/krb5-1.12-signed.tar
Source0: krb5-%{version}.tar.gz
@ -96,6 +96,7 @@ Patch137: krb5-master-gss_oid_leak.patch
Patch138: krb5-master-keytab_close.patch
Patch139: krb5-1.12-copy_context.patch
Patch140: krb5-master-spnego_error_messages.patch
Patch141: krb5-1.12-enable-NX.patch
License: MIT
URL: http://web.mit.edu/kerberos/www/
@ -148,10 +149,9 @@ BuildRequires: iproute
%if 0%{?fedora} >= 9
BuildRequires: python-pyrad
%endif
%if 0%{?fedora} >= 8
%ifarch %{ix86} x86_64
#BuildRequires: yasm
BuildRequires: yasm
%endif
%endif
@ -321,6 +321,7 @@ ln -s NOTICE LICENSE
%patch138 -p1 -b .keytab_close
%patch139 -p1 -b .copy_context
%patch140 -p1 -b .spnego_error_messages
%patch141 -p1 -b .enable-NX
# Apply when the hard-wired or configured default location is
# DIR:/run/user/%%{uid}/krb5cc.
@ -975,6 +976,11 @@ exit 0
%{_sbindir}/uuserver
%changelog
* Thu Jan 2 2014 Nalin Dahyabhai <nalin@redhat.com> - 1.12-8
- add patch from Dhiru Kholia for the AES-NI implementations to allow
libk5crypto to be properly marked as not needing an executable stack
on arches where they're used (#1045699, and so many others)
* Thu Jan 2 2014 Nalin Dahyabhai <nalin@redhat.com> - 1.12-7
- revert that last change for a bit while sorting out execstack when we
use AES-NI (#1045699)