PAM/eCryptfs now able to mount ecryptfs'd home directories on login

1 files changed, 25 insertions, 7 deletions

diff --git a/pkgs/tools/security/ecryptfs/default.nix b/pkgs/tools/security/ecryptfs/default.nix
index 13046aa0b2d1..e0f27b5d732e 100644
--- a/pkgs/tools/security/ecryptfs/default.nix
+++ b/pkgs/tools/security/ecryptfs/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchurl, pkgconfig, perl, keyutils, nss, nspr, python, pam
-, intltool, makeWrapper, coreutils, gettext, cryptsetup, lvm2, rsync, which }:
+{ stdenv, fetchurl, pkgconfig, perl, utillinux, keyutils, nss, nspr, python, pam
+, intltool, makeWrapper, coreutils, bash, gettext, cryptsetup, lvm2, rsync, which }:
 
 stdenv.mkDerivation {
   name = "ecryptfs-104";
@@ -9,16 +9,33 @@ stdenv.mkDerivation {
     sha256 = "0f3lzpjw97vcdqzzgii03j3knd6pgwn1y0lpaaf46iidaiv0282a";
   };
 
+  #TODO: replace wrapperDir below with from <nixos> config.security.wrapperDir;
+  preConfigure = ''
+    FILES="$(grep -r '/bin/sh' src/utils -l; find src -name \*.c)"
+    for file in $FILES; do
+      substituteInPlace "$file" \
+        --replace /sbin/mount.ecryptfs_private /var/setuid-wrappers/mount.ecryptfs_private \
+        --replace /sbin/umount.ecryptfs_private /var/setuid-wrappers/umount.ecryptfs_private \
+        --replace /sbin/mount.ecryptfs $out/sbin/mount.ecryptfs \
+        --replace /sbin/umount.ecryptfs $out/sbin/umount.ecryptfs \
+        --replace /usr/bin/ecryptfs-rewrite-file $out/bin/ecryptfs-rewrite-file \
+        --replace /usr/bin/ecryptfs-mount-private $out/bin/ecryptfs-mount-private \
+        --replace /usr/bin/ecryptfs-setup-private $out/bin/ecryptfs-setup-private \
+        --replace /sbin/cryptsetup ${cryptsetup}/sbin/cryptsetup \
+        --replace /sbin/dmsetup ${lvm2}/sbin/dmsetup \
+        --replace /bin/mount ${utillinux}/bin/mount \
+        --replace /bin/umount ${utillinux}/bin/umount \
+        --replace /sbin/unix_chkpwd /var/setuid-wrappers/unix_chkpwd \
+        --replace /bin/bash ${bash}/bin/bash
+    done
+  '';
+
   buildInputs = [ pkgconfig perl nss nspr python pam intltool makeWrapper ];
   propagatedBuildInputs = [ coreutils gettext cryptsetup lvm2 rsync keyutils which ];
 
   postInstall = ''
-    FILES="$(grep -r '/bin/sh' $out/bin | sed 's,:.*,,' | uniq)"
+    FILES="$(grep -r '/bin/sh' $out/bin -l)"
     for file in $FILES; do
-      sed -i $file -e "s,\(/sbin/u\?mount.ecryptfs\(_private\)\?\),$out\1," \
-        -e "s,\(/sbin/cryptsetup\),${cryptsetup}\1," \
-        -e "s,\(/sbin/dmsetup\),${lvm2}\1," \
-        -e 's,/sbin/\(unix_chkpwd\),\1,'
       wrapProgram $file \
         --prefix PATH ":" "${coreutils}/bin" \
         --prefix PATH ":" "${gettext}/bin" \
@@ -32,6 +49,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     description = "Enterprise-class stacked cryptographic filesystem";
     license = licenses.gpl2Plus;
+    maintainers = [ lib.maintainers.obadz ];
     platforms = platforms.linux;
   };
 }