system/fscrypt: Added (Filesystem Encryption Tool).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

system/fscrypt/README

@@ -0,0 +1,4 @@
+fscrypt is a high-level tool for the management of Linux native
+filesystem encryption. fscrypt manages metadata, key generation, key
+wrapping, PAM integration, and provides a uniform interface for creating
+and modifying encrypted directories.

system/fscrypt/fscrypt.SlackBuild

@@ -0,0 +1,130 @@
+#!/bin/bash
+
+# Slackware build script for fscrypt
+
+# Copyright 2025 Isaac Yu <isaacyu@protonmail.com>
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+cd $(dirname $0) ; CWD=$(pwd)
+
+PRGNAM=fscrypt
+VERSION=${VERSION:-0.3.5}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+PKGTYPE=${PKGTYPE:-tgz}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
+  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
+  exit 0
+fi
+
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i586" ]; then
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  LIBDIRSUFFIX="64"
+else
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PRGNAM-$VERSION
+tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
+cd $PRGNAM-$VERSION
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+mkdir -p vendor
+cat $CWD/modules.txt > vendor/modules.txt
+for DIR in $(grep -o "^# .* " vendor/modules.txt | cut -d' ' -f2)
+do
+  NAME=$(echo $DIR | sed 's/[./]v[0-9]\+$//' | xargs basename)
+  DIR=vendor/$DIR
+
+  # Extract the tarball
+  if [ $DIR = "vendor/github.com/urfave/cli" ]; then
+    tar xvf $CWD/cli-1.22.14.tar.gz
+  elif [ $DIR = "vendor/golang.org/x/exp/typeparams" ]; then
+    tar xvf $CWD/exp-*.tar.gz
+  else
+    tar xvf $CWD/$NAME-*.tar.gz
+  fi
+
+  # Rename extracted folders
+  mkdir -p $(dirname $DIR)
+  if [ $DIR = "vendor/github.com/urfave/cli" ]; then
+    mv cli-1.22.14 $DIR
+  elif [ $DIR = "vendor/golang.org/x/exp/typeparams" ]; then
+    mv exp-* $DIR
+  else
+    mv $NAME-* $DIR
+  fi
+done
+
+# Make sure fscrypt uses the vendor directory for compilation
+# It must not download anything during the build process
+export GOFLAGS="-mod=vendor"
+
+# Prevent creation of cache files in /root/.cache/go-build
+export GOCACHE="${GOCACHE:-$TMP/$PRGNAM-$VERSION/go-cache}"
+export GOMODCACHE="${GOMODCACHE:-$TMP/$PRGNAM-$VERSION/go}"
+
+make
+make install DESTDIR=$PKG PREFIX=/usr PAM_MODULE_DIR=/lib${LIBDIRSUFFIX}/security
+
+# Allow fscrypt to check login passphrase when creating a login protector
+install -Dm644 $CWD/pam_config $PKG/etc/pam.d/fscrypt
+
+# Remove Ubuntu-specific PAM file
+rm -r $PKG/usr/share/pam-configs
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a CODE_OF_CONDUCT.md CONTRIBUTING.md LICENSE NEWS.md README.md $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE

system/fscrypt/fscrypt.info

@@ -0,0 +1,40 @@
+PRGNAM="fscrypt"
+VERSION="0.3.5"
+HOMEPAGE="https://github.com/google/fscrypt"
+DOWNLOAD="https://github.com/google/fscrypt/archive/v0.3.5/fscrypt-0.3.5.tar.gz \
+          https://github.com/client9/misspell/archive/v0.3.4/misspell-0.3.4.tar.gz \
+          https://github.com/pkg/errors/archive/v0.9.1/errors-0.9.1.tar.gz \
+          https://github.com/urfave/cli/archive/v1.22.14/cli-1.22.14.tar.gz \
+          https://github.com/wadey/gocovmerge/archive/b5bfa59/gocovmerge-b5bfa59ec0adc420475f97f89b58045c721d761c.tar.gz \
+          https://github.com/golang/crypto/archive/v0.17.0/crypto-0.17.0.tar.gz \
+          https://github.com/golang/sys/archive/v0.15.0/sys-0.15.0.tar.gz \
+          https://github.com/golang/term/archive/v0.15.0/term-0.15.0.tar.gz \
+          https://github.com/golang/tools/archive/v0.13.0/tools-0.13.0.tar.gz \
+          https://github.com/protocolbuffers/protobuf-go/archive/v1.33.0/protobuf-go-1.33.0.tar.gz \
+          https://github.com/dominikh/go-tools/archive/v0.4.5/go-tools-0.4.5.tar.gz \
+          https://github.com/BurntSushi/toml/archive/v1.3.2/toml-1.3.2.tar.gz \
+          https://github.com/cpuguy83/go-md2man/archive/v2.0.2/go-md2man-2.0.2.tar.gz \
+          https://github.com/russross/blackfriday/archive/v2.1.0/blackfriday-2.1.0.tar.gz \
+          https://github.com/golang/exp/archive/732eee0/exp-732eee02a75a571a8347fdf60af8c8b9e3ca9254.tar.gz \
+          https://github.com/golang/mod/archive/v0.12.0/mod-0.12.0.tar.gz"
+MD5SUM="999170fa267755e413268fde4a6900a7 \
+        e63dbac31070aa8df4c8b12afade5f02 \
+        0951216925c98fda75a484a528b06af6 \
+        3435f277c01592e31902d899e1b80a0e \
+        ea06b396710e3d6f535e549c32a14cc2 \
+        074993fdf4a9e2697eb3e05e79549cec \
+        7cf52d1bd6c6977d0b7a2a4c57e876d9 \
+        96d50cf5392716166089e16370b6f9a2 \
+        957ea5f49b2d8769ac6b44e3f56dc723 \
+        7de0737359c575dcaa2c58cbc27cf93e \
+        8858bb2bae49d8965a2e57c802116ecf \
+        d1265832f013b25d21fa42c68f1b6ab3 \
+        afd343ecba3ad16ee7261d4a95869894 \
+        59acda02d26209540970ad339d071f6a \
+        484abe66234235dd9c3b6e2ee7984b5c \
+        e4a2608688778d3698035d6dc2bb1fe3"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="google-go-lang"
+MAINTAINER="Isaac Yu"
+EMAIL="isaacyu@protonmail.com"

system/fscrypt/modules.txt

@@ -0,0 +1,47 @@
+# github.com/client9/misspell v0.3.4
+## explicit
+github.com/client9/misspell/cmd/misspell
+# github.com/pkg/errors v0.9.1
+## explicit
+github.com/pkg/errors
+# github.com/urfave/cli v1.22.14
+## explicit
+github.com/urfave/cli
+# github.com/wadey/gocovmerge v0.0.0-20160331181800-b5bfa59ec0ad
+## explicit
+github.com/wadey/gocovmerge
+# golang.org/x/crypto v0.17.0
+## explicit
+golang.org/x/crypto/argon2
+golang.org/x/crypto/hkdf
+# golang.org/x/sys v0.15.0
+## explicit; go 1.17
+golang.org/x/sys/unix
+# golang.org/x/term v0.15.0
+## explicit
+golang.org/x/term
+# golang.org/x/tools v0.13.0
+## explicit
+golang.org/x/tools/cmd/goimports
+# google.golang.org/protobuf v1.33.0
+## explicit
+google.golang.org/protobuf/proto
+google.golang.org/protobuf/encoding/protojson
+# honnef.co/go/tools v0.4.5
+## explicit
+honnef.co/go/tools/cmd/staticcheck
+# github.com/BurntSushi/toml v1.3.2
+## explicit
+github.com/BurntSushi/toml
+# github.com/cpuguy83/go-md2man/v2 v2.0.2
+## explicit
+github.com/cpuguy83/go-md2man/v2/md2man
+# github.com/russross/blackfriday/v2 v2.1.0
+## explicit
+github.com/russross/blackfriday/v2
+# golang.org/x/exp/typeparams v0.0.0-20221208152030-732eee02a75a
+## explicit
+golang.org/x/exp/typeparams
+# golang.org/x/mod v0.12.0
+## explicit
+golang.org/x/mod

system/fscrypt/pam_config

@@ -0,0 +1,3 @@
+# Allow fscrypt to check your login passphrase when you create a login protector
+# See https://github.com/google/fscrypt/issues/130#issuecomment-533955949
+auth		required	pam_unix.so

system/fscrypt/slack-desc

@@ -0,0 +1,19 @@
+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+       |-----handy-ruler------------------------------------------------------|
+fscrypt: fscrypt (Go tool for managing Linux filesystem encryption)
+fscrypt:
+fscrypt: fscrypt is a high-level tool for the management of Linux native
+fscrypt: filesystem encryption. fscrypt manages metadata, key generation, key
+fscrypt: wrapping, PAM integration, and provides a uniform interface for
+fscrypt: creating and modifying encrypted directories.
+fscrypt:
+fscrypt:
+fscrypt:
+fscrypt:
+fscrypt: