On Thu, Jun 16, 2011 at 07:15:35PM +0200, Stappers wrote: > On Thu, Jun 16, 2011 at 10:40:01AM +0200, Johannes Schauer wrote: > > hi, > > > > as a follow up for "fakechroot + qemu user emulation" in january 2011 and my > > solution explained in "fakechroot + qemu user emulation (it works now)" in > > april 2011 and by the request of wookey who suggested I should post it here, > > let me just paste the links to four scripts of mine. > > > > notioninkadam: http://mister-muffin.de/p/_8K5 > > touchbook: http://mister-muffin.de/p/9nQ4 > > openmoko: http://mister-muffin.de/p/wFep > > kirkwood: http://mister-muffin.de/p/l0U_ > > The openmoko one for further (in-line) discussion > fetched with `wget -O - openmoko: http://mister-muffin.de/p/wFep` fetched with `wget -O - http://mister-muffin.de/p/wFep` > > --2011-06-16 19:09:47-- http://mister-muffin.de/p/wFep > Herleiden van mister-muffin.de... 62.75.187.73 > Verbinding maken met mister-muffin.de|62.75.187.73|:80... verbonden. > HTTP-verzoek is verzonden; wachten op antwoord... 200 OK > Lengte: 5838 (5,7K) [text/plain] > Wordt geschreven naar: `STDOUT' > #!/bin/sh -ex > > if [ "$LOGNAME" = "root" ] \ > || [ "$USER" = "root" ] \ > || [ "$USERNAME" = "root" ] \ > || [ "$SUDO_COMMAND" != "" ] \ > || [ "$SUDO_USER" != "" ] \ > || [ "$SUDO_UID" != "" ] \ > || [ "$SUDO_GID" != "" ]; then > echo "don't run this script as root - there is no need to" > exit > fi > > if [ "$FAKEROOTKEY" = "" ]; then > echo "re-executing script inside fakeroot" > fakeroot $0; > exit > fi > > DIST="sid" > ROOTDIR="debian-$DIST-multistrap" > MIRROR="http://127.0.0.1:3142/ftp.de.debian.org/debian"; > MIRROR_REAL="http://ftp.de.debian.org/debian"; > #MIRROR="http://127.0.0.1:3142/ftp.debian-ports.org/debian"; > #MIRROR_REAL="http://ftp.debian-ports.org/debian"; > > export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true > LC_ALL=C LANGUAGE=C LANG=C > > rm -rf $ROOTDIR $ROOTDIR.tar > > PACKAGES="locales udev module-init-tools procps mtd-utils curl wget ntpdate" > PACKAGES=$PACKAGES" screen less vim-tiny console-tools vpnc rsync conspy" > PACKAGES=$PACKAGES" man-db fbset input-utils openssh-server wpasupplicant" > PACKAGES=$PACKAGES" bluez bluez-utils bluez-alsa bluez-gstreamer iputils-ping" > PACKAGES=$PACKAGES" iproute dnsutils nodm xserver-xorg-input-evdev xterm" > PACKAGES=$PACKAGES" xserver > 0K .-xorg xserver-xorg-video-fbdev" > > cat > multistrap.conf << __END__ > [General] > #arch=armhf > arch=armel > directory=$ROOTDIR > cleanup=true > unpack=true > noauth=true > #bootstrap=Debian_bootstrap Debian_unreleased > bootstrap=Debian_bootstrap > aptsources=Debian > allowrecommends=false > addimportant=false > > [Debian_bootstrap] > packages=$PACKAGES > source=$MIRROR > suite=$DIST > omitdebsrc=true > > #[Debian_unreleased] > #packages=$PACKAGES > #source=$MIRROR > #suite=unreleased > #omitdebsrc=true > > [Debian] > source=$MIRROR_REAL > keyring=debian-archive-keyring > suite=$DIST > omitdebsrc=true > __END__ > > multistrap -f multistrap.conf > > cp /usr/bin/qemu-arm-static $ROOTDIR/usr/bin > > # stop invoke-rc.d from starting services > cat > $ROOTDIR/usr/sbin/policy-rc.d << __END__ > #!/bin/sh > echo "sysvinit: All runlevel operations denied by policy" >&2 > exit 101 > __END__ > chmod +x $ROOTDIR/usr/sbin/policy-rc.d > > # fix for ldconfig inside fakechroot > mv $ROOTDIR/sbin/ldconfig $ROOTDIR/sbin/ldconfig.REAL > mv $ROOTDIR/usr/bin/ldd $ROOTDIR/usr/bin/ldd.REAL > ln -s ../bin/true $ROOTDIR/sbin/ldconfig > > # get fake ldd (needs objdump from binutils) for mkinitramfs > # https://github.com/fakechroot/fakechroot/raw/master/scripts/ldd.pl > curl http://mister-muffin.de/p/a3Dt > $ROOTDIR/usr/bin/ldd
fetched with `wget -O - http://mister-muffin.de/p/a3Dt` --2011-06-16 20:01:51-- http://mister-muffin.de/p/a3Dt Herleiden van mister-muffin.de... 62.75.187.73 Verbinding maken met mister-muffin.de|62.75.187.73|:80... verbonden. HTTP-verzoek is verzonden; wachten op antwoord... 200 OK Lengte: 4464 (4,4K) [text/plain] Wordt geschreven naar: `STDOUT' #!/usr/bin/perl # fakeldd # # Replacement for ldd with usage of objdump # # (c) 2003-2010 Piotr Roszatycki <[email protected]>, LGPL use strict; my @Libs = (); my %Libs = (); my $Status = 0; my $Dynamic = 0; my $Format = ''; my $Ldsodir = "/lib"; my @Ld_Library_Path = qw(/usr/lib /lib /usr/lib32 /lib32 /usr/lib64 /lib64); sub ldso { my ($lib) = @_; return if $Libs{$lib}; my $path; if ($lib =~ /^\//) { $path = $lib; } else { foreach my $dir (@Ld_Library_Path) { next unless -f "$dir/$lib"; my $badformat = 0; local *PIPE; open PIPE, "objdump -p '$dir/$lib' 2>/dev/null |"; while (my $line = <PIPE>) { if ($line =~ /file format (\S*)$/) { $badformat = 1 unless $1 eq $Format; last; } } close PIPE; next if $badformat; $path = "$dir/$lib"; last; } } push @Libs, $lib; if (-f $path) { $Libs{$lib} = $path; objdump($path); } } sub objdump { my (@files) = @_; foreach my $file (@files) { local *PIPE 0K .; open PIPE, "objdump -p '$file' 2>/dev/null |"; while (my $line = <PIPE>) { $line =~ s/^\s+//; if ($line =~ /file format (\S*)$/) { if (not $Format) { $Format = $1; if ($^O eq 'linux') { if ($Format =~ /^elf64-/) { push @Libs, 'linux-vdso.so.1'; $Libs{'linux-vdso.so.1'} = ''; } else { push @Libs, 'linux-gate.so.1'; $Libs{'linux-gate.so.1'} = ''; } } foreach my $lib (split /:/, $ENV{LD_PRELOAD}||'') { ldso($lib); } } else { next unless $Format eq $1; } } if (not $Dynamic and $line =~ /^Dynamic Section:/) { $Dynamic = 1; } next unless $line =~ /^ \s* NEEDED \s+ (.*) \s* $/x; my $needed = $1; if ($needed =~ /^ld(-linux)?(\.|-)/) { $needed = "$Ldsodir/$needed"; } ldso($needed); } close PIPE; } } sub load_ldsoconf { my ($file) = @_; local *FH; open FH, $file; while (my $line = <FH>) { chomp $line.; $line =~ s/#.*//; next if $line =~ /^\s*$/; if ($line =~ /^include\s+(.*)\s*/) { my $include = $1; foreach my $incfile (glob $include) { load_ldsoconf($incfile); } next; } unshift @Ld_Library_Path, $line; } close FH; } MAIN: { my @args = @ARGV; if (not @args) { print STDERR "fakeldd: missing file arguments\n"; exit 1; } if (not `which objdump`) { print STDERR "fakeldd: objdump: command not found: install binutils package\n"; exit 1; } load_ldsoconf('/etc/ld.so.conf'); unshift @Ld_Library_Path, split(/:/, $ENV{LD_LIBRARY_PATH}||''); while ($args[0] =~ /^-/) { my $arg = $args[0]; shift @ARGV; last if $arg eq "--"; } foreach my $file (@args) { %Libs = (); $Dynamic = 0; if (@args > 1) { print "$file:\n"; } if (not -f $file) { print STDERR "ldd: $file: No such file or directory\n"; $Status = 1; next; } objdump($file); if ($Dynamic == 0) { print "\tnot a dynamic executable\n"; $Status = 1; } elsif (scalar %Libs eq "0") { print "\tstatically linked\n"; } my $address = '0x' . '0' x ($Format =~ /^elf64-/ ? 16 : 8); forea.ch my $lib (@Libs) { if ($lib =~ /^\//) { printf "\t%s (%s)\n", $lib, $address; } elsif (defined $Libs{$lib}) { printf "\t%s => %s (%s)\n", $lib, $Libs{$lib}, $address; } else { printf "\t%s => not found\n", $lib; } } } } END { $? = $Status; } . 100% 140K=0,03s 2011-06-16 20:01:51 (140 KB/s) - geschreven naar stdout [4464/4464] > chmod +x $ROOTDIR/usr/bin/ldd > > # supply ld.so.conf for fake ldd (running libc6 postinst script will fail) > echo "include /etc/ld.so.conf.d/*.conf" > $ROOTDIR/etc/ld.so.conf > > # do not generate ssh host keys > mkdir -p. $ROOTDIR/etc/ssh/ > touch "$ROOTDIR/etc/ssh/ssh_host_rsa_key" > touch "$ROOTDIR/etc/ssh/ssh_host_dsa_key" > touch "$ROOTDIR/etc/ssh/ssh_host_ecdsa_key" > > cat > $ROOTDIR/tmp/debconfseed.txt << __END__ > # put debconf options here > __END__ > fakechroot chroot $ROOTDIR debconf-set-selections /tmp/debconfseed.txt > rm $ROOTDIR/tmp/debconfseed.txt > > # run preinst scripts > for script in $ROOTDIR/var/lib/dpkg/info/*.preinst; do > [ "$script" = "$ROOTDIR/var/lib/dpkg/info/bash.preinst" ] && continue > fakechroot chroot $ROOTDIR ${script##$ROOTDIR} install > done > > # run dpkg --configure -a twice because of errors during the first run > fakechroot chroot $ROOTDIR /usr/bin/dpkg --configure -a || fakechroot chroot > $ROOTDIR /usr/bin/dpkg --configure -a > > fakechroot chroot $ROOTDIR update-locale LANG=en_US.UTF-8 LANGUAGE=en_US:en > echo en_US.UTF-8 UTF-8 > $ROOTDIR/etc/locale.gen > fakechroot chroot $ROOTDIR locale-gen > > cat > $ROOTDIR/etc/fstab << __END__ > # <file system> <mount point> <type> <options> > <dump> <pass> > rootfs / auto defaults,errors=remount-ro,noatime 0 > 1 > /dev/mmcblk0p2 /home auto defaults,errors=remount-ro,noatime 0 > 2 > proc /proc proc defaults 0 > 0 > tmpfs /tmp tmpfs defaults,noatime 0 > 0 > tmpfs /var/lock tmpfs defaults,noatime 0 > 0 > t.mpfs /var/run tmpfs defaults,noatime 0 > 0 > tmpfs /var/log tmpfs defaults,noatime 0 > 0 > tmpfs /etc/network/run tmpfs defaults,noatime 0 > 0 > __END__ > > echo openmoko > $ROOTDIR/etc/hostname > > cat > $ROOTDIR/etc/hosts << __END__ > 127.0.0.1 localhost > 127.0.0.1 openmoko > __END__ > > cat > $ROOTDIR/etc/default/nodm << __END__ > NODM_ENABLED=true > NODM_USER=user > NODM_XINIT=/usr/bin/xinit > NODM_FIRST_VT=7 > NODM_XSESSION=/etc/X11/Xsession > NODM_X_OPTIONS='-nolisten tcp' > NODM_MIN_SESSION_TIME=60 > __END__ > > # activate a tty on serial > echo "T0:23:respawn:/sbin/getty -L ttyS0 115200 vt100" >> $ROOTDIR/etc/inittab > > fakechroot chroot $ROOTDIR useradd user -p `openssl passwd -crypt -salt // > ""` -s /bin/bash --create-home > fakechroot chroot $ROOTDIR usermod -a -G audio,dialout user > > sed -i 's/\(root:\)[^:]*\(:\)/\1'`openssl passwd -crypt -salt // "" | sed > 's/\(\/\|\\\|&\)/\\&/g'`'\2/' $ROOTDIR/etc/shadow > sed -i 's/\(PermitEmptyPasswords\) no/\1 yes/' $ROOTDIR/etc/ssh/sshd_config > echo 'APT::Install-Recommends "0";' > > $ROOTDIR/etc/apt/apt.conf.d/99no-install-recommends > echo 'Acquire::PDiffs "0";' > $ROOTDIR/etc/apt/apt.conf.d/99no-pdiffs > > #cleanup > rm $ROOTDIR/sbin/ldconfig $ROOTDIR/usr/bin/ldd > mv $ROOTDIR/sbin/ldconfig.REAL $ROOTDIR/sbin/ldconfig > mv $ROOTDIR/usr/bin/ldd.REAL $ROOTDIR/usr/bin/ldd > rm $ROOTDIR/usr/sbin/policy-rc.d > rm $ROOTDIR/etc/ssh/ssh_host_* > cp /etc/resolv.conf $ROOTDIR/etc/resolv.conf > > # need to generate tar inside fakechroot so that absolute symlinks are correct > fakechroot chroot $ROOTDIR tar -cf $ROOTDIR.tar -C / . > mv $ROOTDIR/$ROOTDIR.tar . > > tar --delete -f $ROOTDIR.tar ./usr/bin/qemu-arm-static > rm $ROOTDIR/usr/bin/qemu-arm-static > .. 100% 144K=0,04s > > 2011-06-16 19:09:47 (144 KB/s) - geschreven naar stdout [5838/5838] -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". 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