From b506fb6615aca50e2ae3e309446366a2f6f03066 Mon Sep 17 00:00:00 2001
From: Audrey Dutcher <audrey@rhelmot.io>
Date: Sun, 30 Mar 2025 09:22:10 -0700
Subject: [PATCH] freebsd.su: init

---
 .../bsd/freebsd/patches/14.2/su-install.patch | 13 +++++++++
 pkgs/os-specific/bsd/freebsd/pkgs/su.nix      | 27 +++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 pkgs/os-specific/bsd/freebsd/patches/14.2/su-install.patch
 create mode 100644 pkgs/os-specific/bsd/freebsd/pkgs/su.nix

diff --git a/pkgs/os-specific/bsd/freebsd/patches/14.2/su-install.patch b/pkgs/os-specific/bsd/freebsd/patches/14.2/su-install.patch
new file mode 100644
index 000000000000..d85d23039f06
--- /dev/null
+++ b/pkgs/os-specific/bsd/freebsd/patches/14.2/su-install.patch
@@ -0,0 +1,13 @@
+diff --git a/usr.bin/su/Makefile b/usr.bin/su/Makefile
+index f6d95defa195..b43d7592ef89 100644
+--- a/usr.bin/su/Makefile
++++ b/usr.bin/su/Makefile
+@@ -10,7 +10,7 @@ LIBADD+=	bsm
+ .endif
+ 
+ BINOWN=	root
+-BINMODE=4555
++BINMODE=0555
+ PRECIOUSPROG=
+ 
+ .include <bsd.prog.mk>
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/su.nix b/pkgs/os-specific/bsd/freebsd/pkgs/su.nix
new file mode 100644
index 000000000000..bc39baabb89e
--- /dev/null
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/su.nix
@@ -0,0 +1,27 @@
+{
+  lib,
+  mkDerivation,
+  libpam,
+  libbsm,
+}:
+mkDerivation {
+  path = "usr.bin/su";
+
+  outputs = [
+    "out"
+    "man"
+    "debug"
+  ];
+
+  buildInputs = [
+    libpam
+    libbsm
+  ];
+
+  postPatch = ''
+    sed -E -i -e '/BINOWN|BINMODE|PRECIOUSPROG/d' $BSDSRCDIR/usr.bin/su/Makefile
+  '';
+
+  meta.mainProgram = "su";
+  meta.platforms = lib.platforms.freebsd;
+}