--- /dev/null
+#! /usr/bin/perl -w
+#
+# $Id$
+# Check and possibly rebuild lufs kernel module for the current kernel.
+# Copyright (C) 2003 Jan Kratochvil <project-captive@jankratochvil.net>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; exactly version 2 of June 1991 is required
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+
+use strict;
+use Carp qw(cluck confess);
+use Getopt::Long;
+# Do not use any non-core Perl modules here.
+# Be perl-5.0 compatible (is it needed if we require Linux kernel >= 2.4 ?)
+
+
+my $basedir='@datadir@/lufs';
+$basedir=~s#\$\Q{prefix}\E#@prefix@#g;
+sub srcdir { my($uname_r)=@_; $basedir."/".($uname_r lt "2.5" ? "2.4" : "2.5"); }
+my $modbindir=$basedir."/modbin";
+my @sources=qw(proc.c inode.c dir.c file.c symlink.c);
+my $tmp_dir="prepmod-tmp-dir";
+
+my $quiet;
+my $kernel;
+my $prebuild;
+die if !GetOptions(
+ "q|quiet",\$quiet,
+ "kernel",\$kernel, # it must contain "include" subdir
+ "modbindir=s",\$modbindir,
+ "basedir=s",\$basedir,
+ "prebuild",\&prebuild,
+ );
+
+
+my $lufsmnt_bin;
+if ($0 eq "lufsmnt" || $0=~m#/lufsmnt$#) {
+ $quiet=1;
+ $lufsmnt_bin='@modbindir@/lufsmnt-bin';
+ }
+
+
+sub _readfile
+{
+my($filename,$optional)=@_;
+
+ local $/=undef();
+ local *F;
+ open F,$filename or do { cluck "Open \"$filename\": $!" if !$optional; return ""; };
+ my $r=<F>;
+ close F or cluck "Close \"$filename\": $!";
+ return $r;
+}
+
+sub _system
+{
+my(@args)=@_;
+
+ print STDERR "+ ".join(" ",@args)."\n" if !$quiet;
+ return system @args;
+}
+
+sub _pass
+{
+my($load)=@_;
+
+ my $modproberc;
+ if ($load) {
+ do { ($modproberc=_system $_) and cluck "$_ failed - ignoring"; } for ("depmod -aq","modprobe lufs");
+ }
+ exit ($modproberc ? 1 : 0) if !$lufsmnt_bin;
+ do { exec $lufsmnt_bin,@ARGV; };
+ confess "Failed to exec '$lufsmnt_bin': $!";
+}
+
+
+my $filesystems=_readfile "/proc/filesystems"; # 'lufs' may be built-in
+_pass if $filesystems=~/\blufs$/m;
+my $modules=_readfile "/proc/modules"; # 'lufs' may be already loaded
+_pass if $modules=~/^lufs\b/m;
+_pass if !_system "modprobe lufs";
+
+my $proc_version=_readfile "/proc/version";
+my $uname_r=($proc_version=~/^Linux version (\S+)/)[0] || _readfile "uname -r|";
+chomp $uname_r;
+confess "Failed to detect kernel version" if !$uname_r;
+my $uname_r_base=($uname_r=~/^([^-]+)/)[0];
+print STDERR "Running kernel version: $uname_r (base version $uname_r_base)\n" if !$quiet;
+
+do { $kernel||=$_ if -d $_; } for ("/lib/modules/$uname_r/build");
+do { $kernel||=$_ if -d $_; } for ("/usr/src/kernel-headers-$uname_r");
+do { $kernel||=$_ if -d $_; } for ("/usr/src/linux-$uname_r");
+do { $kernel||=$_ if -d $_; } for ("/usr/src/linux-$uname_r_base");
+do { $kernel||=$_ if -d $_; } for ("/usr/src/linux");
+confess "Failed to find kernel headers for $uname_r" if !$kernel;
+
+my $moduledir="/lib/modules/$uname_r/kernel/fs/lufs";
+print STDERR "Destination module directory: $moduledir\n" if !$quiet;
+_system "mkdir -p $moduledir" and confess "Cannot create moduledir: $moduledir";
+
+_pass 1 if build($kernel,$uname_r,"$moduledir/lufs.o");
+
+local $_;
+while (<$modbindir/*.o>) {
+ next if _system "rmmod lufs 2>/dev/null; insmod -o lufs -p $_ 2>/dev/null";
+ do { cluck "Failed to symlink $_"; next; } if _system "mkdir -p $moduledir; ln -s $_ $moduledir/lufs.o";
+ _pass 1;
+ }
+confess "lufs module not loaded: $basedir not compilable and no module of $modbindir/*.o usable";
+
+
+sub build
+{
+my($kernel,$uname_r,$destmodule)=@_;
+
+ print STDERR "Using kernel sources: $kernel\n" if !$quiet;
+ confess "Kernel sources $kernel do not contain 'include' subdirectory" if ! -d $kernel."/include";
+
+ my $cmdline="gcc"
+ .($quiet ? " 2>/dev/null" : "")
+ ." -O2 -pipe -fomit-frame-pointer -fno-strict-aliasing -mpreferred-stack-boundary=2 -Wall"
+ ." -D__KERNEL__ -DMODULE -DLINUX -DKBUILD_MODNAME=lufs"
+ ." -I$kernel/include"
+ ." -I$kernel/include/asm-i386/mach-default"; # gcc should not care if this 2.5 dir does not exist
+
+ my $config=_readfile "$kernel/.config","optional";
+ my $autoconf=_readfile "$kernel/include/linux/autoconf.h","optional";
+ $cmdline.=" -DMODVERSIONS -include $kernel/include/linux/modversions.h"
+ if 0
+ || $config=~/^CONFIG_MODVERSIONS=y\b/m
+ || $autoconf=~/^#define CONFIG_MODVERSIONS\b/m
+ || (!$config && !$autoconf); # assume modversions if not known
+
+ my @objects=map({ my $o=$_; $o=~s/[.]c$/.o/; $o; } @sources);
+ return !_system "set -e; mkdir -p `dirname $destmodule`;"
+ ." $cmdline -c ".join(" ",map({ srcdir($uname_r)."/".$_; } @sources)).";"
+ ." ld -r -o $destmodule ".join(" ",@objects).";"
+ ." rm -f ".join(" ",@objects);
+}
+
+
+sub prebuild_kernel
+{
+my($dir,$vendor,$uname_r)=@_;
+
+ confess "Unrecognized vendor for dir: $dir" if !$vendor;
+ confess "Unrecognized uname_r for dir: $dir" if !$uname_r;
+ confess "Failed to build $dir" if !build $dir,$uname_r,$modbindir."/lufs-$vendor-$uname_r.o";
+}
+
+
+sub prebuild_rpm
+{
+my($rpm)=@_;
+
+ my $vendor=_readfile "rpm 2>/dev/null --qf '%{VENDOR}' -qp '$rpm' |";
+ $vendor=~s/,.*//;
+ $vendor=~tr/ //d;
+ my $uname_r;
+ $uname_r||=($rpm=~m#/kernel-source-([^-]+-[^-]+)[.][^.]+[.]rpm$#)[0];
+ _system "rm -rf $tmp_dir; mkdir $tmp_dir; set -e;"
+ # Here we will extract even some false 'include's but we filter dirs just for speed/space.
+ ." rpm2cpio '$rpm' | (cd $tmp_dir; cpio -id --quiet ./usr/src/linux*/{.config,include/*})"
+ and confess "Extraction of: $rpm";
+ prebuild_kernel $tmp_dir."/usr/src/linux-$uname_r",$vendor,$uname_r;
+ _system "rm -rf $tmp_dir" and confess "Deletion of: $tmp_dir";
+}
+
+sub prebuild_dir
+{
+my($dir)=@_;
+
+ my $vendor;
+ chomp (my $debian=_readfile "/etc/debian_version","optional");
+ $vendor="Debian".$debian if $debian && $dir=~m#^/usr/src/#;
+ my $uname_r;
+ $uname_r||=($dir=~m#/kernel-headers-([^/]+)/*$#)[0];
+ $uname_r||=($dir=~m#/linux-([^/]+)/*$#)[0];
+ $uname_r||=($dir=~m#^/lib/modules/([^/]+)/build/*$#)[0];
+ prebuild_kernel $dir,$vendor,$uname_r;
+}
+
+sub prebuild
+{
+ for (@ARGV) {
+ do { prebuild_rpm $_; next; } if /[.]rpm$/;
+ do { prebuild_dir $_; next; } if -d $_;
+ confess "Unrecognized kernel: $_";
+ }
+ exit 0;
+}
-# Your kernel version, tries to auto-detect here
-%define kernelversion %(uname -r)
-
Summary: lufs - Linux Userland File System
Name: @PACKAGE@
Version: @VERSION@
-Release: 1
+Release: 1captive
License: GPL
Group: Base
Source0: @PACKAGE@-@VERSION@.tar.gz
Patch1: @PACKAGE@-@VERSION@-captive.patch
-
BuildRequires: autoconf
BuildRequires: automake
BuildRequires: libtool
-#BuildRequires: kernel-source = %{kernelversion}
-
-#Requires: kernel = %{kernelversion}
-
+BuildRequires: perl
+Requires: perl
BuildRoot: /tmp/buildroot-@PACKAGE@-@VERSION@
%description
"exotic" filesystems are in the planning phase: socketfs, httpfs, freenetfs
and others.
+%package devel
+Summary: lufs - Linux Userland File System files for filesystems development
+Group: Development/Base
+Requires: lufs = %{PACKAGE_VERSION}
+
+%description devel
+Support for development of 3rd party filesystem modules for LUFS - a hybrid
+userspace filesystem framework supporting many filesystems: sshfs, ftpfs,
+localfs, locasefs, gvfs, cardfs, cefs, etc.
%prep
%setup -q
%{__automake} --add-missing
%{__autoconf}
%configure
-# --with-kernel=%{kernelversion} \
-# --with-kheaders=/lib/modules/%{kernelversion}/build/include
%{__make}
%install
rm -rf $RPM_BUILD_ROOT
-
-%{__make} install \
- DESTDIR=$RPM_BUILD_ROOT
+%{__make} install DESTDIR=$RPM_BUILD_ROOT
%clean
rm -rf $RPM_BUILD_ROOT
%post
-
-ln -s /usr/bin/auto.sshfs /etc/auto.sshfs
-ln -s /usr/bin/auto.ftpfs /etc/auto.ftpfs
-ln -s /usr/bin/lufsd /sbin/mount.lufs
-
+ln -s %{_bindir}/auto.sshfs /etc/auto.sshfs
+ln -s %{_bindir}/auto.ftpfs /etc/auto.ftpfs
+ln -s %{_bindir}/lufsd /sbin/mount.lufs
depmod -a
-
if [ "`lsmod | grep lufs`" ]; then rmmod lufs; fi
-
modprobe lufs
%preun
-
if [ "`lsmod | grep lufs`" ]; then rmmod lufs; fi
%postun
-
depmod -a
-
rm -f /etc/auto.sshfs
rm -f /etc/auto.ftpfs
rm -f /sbin/mount.lufs
-
%files
%defattr(644,root,root)
-
-/lib/modules/%{kernelversion}/kernel/fs/lufs/lufs.o
/etc/lufsd.conf
-
+%{_datadir}/lufs
%defattr(755,root,root)
-
-/usr/bin/lufsd
-/usr/bin/lussh
-/usr/bin/lufsmount
-
-/usr/bin/auto.sshfs
-/usr/bin/auto.ftpfs
-
+%{_bindir}/lufsd
+%{_bindir}/lussh
+%{_bindir}/lufsmount
+%{_bindir}/lufsmnt
+%{_bindir}/auto.sshfs
+%{_bindir}/auto.ftpfs
+%{_libdir}/lib*.so*
+%{_mandir}/man*/lufs*
# These are SUID root...
-
%defattr(4755,root,root)
-/usr/bin/lufsmnt
-/usr/bin/lufsumount
+%{_bindir}/lufsmnt-bin
+%{_bindir}/lufsumount
+%files devel
+%defattr(644,root,root)
+%{_includedir}/lufs
+%{_libdir}/lib*.la
%changelog
+* Wed Aug 20 2003 Jan Kratochvil <project-captive@jankratochvil.net>
+- rewritten for AutoGen as a support subsystem of Captive project
+
* Sun Nov 24 2002 Dave Wilson <dave@...>
- initial version
git://git.jankratochvil.net / lufs.git / commitdiff