added linux-pam package

packages/l/linux-pam/Pkgfile

@@ -0,0 +1,41 @@
+# Description: Pluggable Authentication Modules (PAM) for Linux
+# URL: http://www.linux-pam.org/
+# Maintainer: Alexander Zhirov
+
+name=linux-pam
+version=1.6.0
+release=1
+source=(
+    https://github.com/$name/$name/releases/download/v${version}/Linux-PAM-$version.tar.xz
+    common-account common-auth common-password common-session
+    other
+    pam_namespace.patch
+)
+
+build() {
+    cd Linux-PAM-$version
+    
+    patch -d . -p0 < ../pam_namespace.patch
+
+    CONFIG_SHELL=/bin/bash ./configure \
+        --prefix=/usr \
+        --libdir=/lib \
+        --disable-nls \
+        --disable-prelude \
+        --enable-db=no
+
+    make
+    make DESTDIR=$PKG install
+
+    mv $PKG/lib/pkgconfig $PKG/usr/lib
+
+    # unix_chkpwd needs to be setuid root
+    chmod u+s $PKG/sbin/unix_chkpwd
+
+    mkdir -p $PKG/etc/pam.d
+    install -o root -g root -m 0644 \
+        $SRC/{common-*,other} \
+        $PKG/etc/pam.d/
+
+    rm -rf $PKG/usr/{lib/systemd,share/doc}
+}

packages/l/linux-pam/common-account

@@ -0,0 +1,5 @@
+#
+# /etc/pam.d/common-account - common account module configuration
+#
+
+account required    pam_unix.so

packages/l/linux-pam/common-auth

@@ -0,0 +1,5 @@
+#
+# /etc/pam.d/common-auth - common auth module configuration
+#
+
+auth    required    pam_unix.so nullok

packages/l/linux-pam/common-password

@@ -0,0 +1,5 @@
+#
+# /etc/pam.d/common-password - common password module configuration
+#
+
+password    required    pam_unix.so shadow sha512

packages/l/linux-pam/common-session

@@ -0,0 +1,7 @@
+#
+# /etc/pam.d/common-session - common session module configuration
+#
+
+session required    pam_limits.so
+session required    pam_unix.so
+session optional    pam_dumb_runtime_dir.so

packages/l/linux-pam/other

@@ -0,0 +1,13 @@
+#
+# /etc/pam.d/other - default deny
+#
+
+auth        required    pam_warn.so
+auth        required    pam_deny.so
+
+account     required    pam_deny.so
+
+password    required    pam_warn.so
+password    required    pam_deny.so
+
+session     required    pam_deny.so

packages/l/linux-pam/pam_namespace.patch

@@ -0,0 +1,11 @@
+--- modules/pam_namespace/pam_namespace.c	2024-01-17 10:29:36.000000000 +0000
++++ modules/pam_namespace/pam_namespace.c	2024-03-14 15:12:58.441979848 +0000
+@@ -38,6 +38,7 @@
+ #include "pam_inline.h"
+ #include "pam_namespace.h"
+ #include "argv_parse.h"
++#include <stdint.h>
+ 
+ /* --- evaluating all files in VENDORDIR/security/namespace.d and /etc/security/namespace.d --- */
+ static const char *base_name(const char *path)
+