From: Saul Wold <sgw@linux.intel.com>
To: openembedded-core@lists.openembedded.org
Subject: [PATCH] security_flags: Add the compiler and linker flags that enhance security
Date: Fri, 28 Jun 2013 11:46:57 -0700 [thread overview]
Message-ID: <1372445217-28739-1-git-send-email-sgw@linux.intel.com> (raw)
These flags add addition checks at compile, link and runtime to prevent
stack smashing, checking for buffer overflows, and link at program start
to prevent call spoofing later.
This needs to be explicitly enabled by adding the following line to your
local.conf:
require conf/distro/include/security_flags.inc
[YOCTO #3868]
Signed-off-by: Saul Wold <sgw@linux.intel.com>
---
meta/conf/distro/include/security_flags.inc | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 meta/conf/distro/include/security_flags.inc
diff --git a/meta/conf/distro/include/security_flags.inc b/meta/conf/distro/include/security_flags.inc
new file mode 100644
index 0000000..dc231e2
--- /dev/null
+++ b/meta/conf/distro/include/security_flags.inc
@@ -0,0 +1,21 @@
+SECURITY_CFLAGS = "-fstack-protector-all -pie -fpie -D_FORTIFY_SOURCE=2"
+SECURITY_LDFLAGS = "-Wl,-z,relro,-z,now"
+
+#TARGET_CPPFLAGS_pn-curl += "-D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-curl = "-fstack-protector-all -pie -fpie"
+SECURITY_CFLAGS_pn-ppp = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-eglibc = ""
+SECURITY_CFLAGS_pn-eglibc-initial = ""
+SECURITY_CFLAGS_pn-zlib = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-gcc-runtime = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-libgcc = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-tcl = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-libcap = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-python-smartpm = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-python-imaging = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-python-pycurl = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-kexec-tools = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+
+# These flags seem to
+SECURITY_CFLAGS_pn-pulseaudio = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
+SECURITY_CFLAGS_pn-ltp = "-fstack-protector-all -D_FORTIFY_SOURCE=2"
--
1.8.1.4
next reply other threads:[~2013-06-28 18:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-28 18:46 Saul Wold [this message]
2013-06-28 19:05 ` [PATCH] security_flags: Add the compiler and linker flags that enhance security Mark Hatle
2013-06-28 19:14 ` Saul Wold
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