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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:06:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:06:34 +0000
commitee6407728fa3cc43b32f69e88a4e0a5d28dc5235 (patch)
tree4e907e01937587036a967edc4b7aea8ba6f5df6e /debian/patches/12_add_bind_now_and_relro_to_pie.diff
parentAdding upstream version 3.5.24. (diff)
downloadpostfix-ee6407728fa3cc43b32f69e88a4e0a5d28dc5235.tar.xz
postfix-ee6407728fa3cc43b32f69e88a4e0a5d28dc5235.zip
Adding debian version 3.5.24-0+deb11u1.debian/3.5.24-0+deb11u1debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches/12_add_bind_now_and_relro_to_pie.diff')
-rw-r--r--debian/patches/12_add_bind_now_and_relro_to_pie.diff26
1 files changed, 26 insertions, 0 deletions
diff --git a/debian/patches/12_add_bind_now_and_relro_to_pie.diff b/debian/patches/12_add_bind_now_and_relro_to_pie.diff
new file mode 100644
index 0000000..0a16cbb
--- /dev/null
+++ b/debian/patches/12_add_bind_now_and_relro_to_pie.diff
@@ -0,0 +1,26 @@
+Subject: add immediate binding and relro when enabling position independent
+ executables
+Author: Steve Beattie <steve.beattie@canonical.com>
+
+When enabling position independent executables (-pie) to get better
+Address Space Layout Protection, using immediate binding (linking with
+"-z now") gives better protection as well. Added relro to the patch as well
+since it seems to have gotten lost somewhere (ScottK/2016-07-29).
+
+---
+ makedefs | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+Index: postfix/makedefs
+===================================================================
+--- postfix.orig/makedefs
++++ postfix/makedefs
+@@ -1219,7 +1219,7 @@ case "$pie" in
+ case " $CCARGS " in
+ *" $CCARGS_PIE "*) CCARGS_PIE=;;
+ esac
+- SYSLIBS_PIE="-pie";;
++ SYSLIBS_PIE="-pie -z relro -z now";;
+ ""|no) ;;
+ *) error "Specify \"pie=yes\" or \"pie=no\"";;
+ esac