b6da68b0f7
Files soft-linked from the jail will reference those in the chroot and not the real/root filesystem. We can only get away with hard-links in this case. Failing that, we must copy the file and check at runtime. Hard-linking most commonly fails due to cross-device linkage, which is prohibited. Change-Id: I4d43fd2ac47c42edd59de9baba5b38a78c879f6e Reviewed-on: https://gerrit.libreoffice.org/c/online/+/101417 Tested-by: Andras Timar <andras.timar@collabora.com> Reviewed-by: Andras Timar <andras.timar@collabora.com>
124 lines
4.1 KiB
Bash
Executable file
124 lines
4.1 KiB
Bash
Executable file
#!/bin/bash
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#set -x
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test $# -eq 2 || { echo "Usage: $0 <chroot template directory for system libs to create> <LO installation directory>"; exit 1; }
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# No provision for spaces or other weird characters in pathnames. So sue me.
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CHROOT=$1
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INSTDIR=$2
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test -d "$INSTDIR" || { echo "No such directory: $INSTDIR"; exit 1; }
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mkdir -p $CHROOT || exit 1
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# Resolve the real paths, in case they are relative and/or symlinked.
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# INSTDIR_LOGICAL will contain the logical path, if there are symlinks,
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# while INSTDIR is the physical one. Both will most likely be the same,
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# except on systems that have symlinks in the path. We must create
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# both paths (if they are different) inside the jail, hence we need both.
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CHROOT=`cd $CHROOT && /bin/pwd`
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INSTDIR_LOGICAL=`cd $INSTDIR && /bin/pwd -L`
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INSTDIR=`cd $INSTDIR && /bin/pwd -P`
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cd / || exit 1
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(
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# Produce a list of file names, one per line, that will be copied
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# into the template tree of system files for the chroot jails.
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# First essential files and shared objects
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find etc/ld.so.* \
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lib/ld-* lib64/ld-* \
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lib/libnss_* lib64/libnss_* lib/*/libnss_* \
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lib/libresolv* lib64/libresolv* lib/*/libresolv* \
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var/cache/fontconfig \
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etc/fonts \
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usr/lib/locale/en_US.utf8 \
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usr/lib/locale/C.UTF-8 \
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usr/lib/locale/locale_archive \
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usr/lib/*/nss/*.so \
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usr/lib/*/libsqlite* \
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usr/share/zoneinfo/* \
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usr/share/liblangtag \
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usr/share/hyphen \
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-type f 2>/dev/null
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find etc/fonts \
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lib/ld-* lib64/ld-* \
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lib/libnss_* lib64/libnss_* lib/*/libnss_* \
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lib/libresolv* lib64/libresolv* lib/*/libresolv* \
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usr/lib/*/libsqlite* \
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-type l 2>/dev/null
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# Go through the LO shared objects and check what system libraries
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# they link to.
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find $INSTDIR -name 'xpdfimport' |
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while read file; do
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ldd $file 2>/dev/null
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done |
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grep -v dynamic | cut -d " " -f 3 | grep -E '^(/lib|/usr)' | sort -u | sed -e 's,^/,,'
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) |
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# Can't use -l because then symlinks won't be handled well enough.
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# This will now copy the file a symlink points to, but whatever.
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cpio -p -d -L $CHROOT
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# Link the dynamic files, replacing any existing.
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for file in hosts nsswitch.conf resolv.conf passwd group host.conf timezone localtime
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do
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#echo "Linking/Copying /etc/$file"
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# Prefer hard-linking, fallback to just copying (do *not* use soft-linking because that would be relative to the jail).
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ln -f /etc/$file $CHROOT/etc/ 2> /dev/null || cp /etc/$file $CHROOT/etc/ || echo "Failed to link or copy $file"
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done
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# Link dev/random and dev/urandom to ../tmp/dev/.
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# The jail then creates the random device nodes in its /tmp/dev/.
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mkdir -p $CHROOT/dev
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mkdir -p $CHROOT/tmp/dev
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for file in random urandom
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do
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# This link is relative anyway, so can be soft.
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ln -f ../tmp/dev/$file $CHROOT/dev/ 2> /dev/null || ln -f -s ../tmp/dev/$file $CHROOT/dev/ || echo "Failed to link dev/$file"
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done
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# Create a relative symbolic link within systemplate that points from
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# the path of $INSTDIR (as seen from the jail as an absolute path)
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# to the /lo path, where the instdir of LO will really reside.
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mkdir -p $CHROOT/lo
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# In case the original path is different from
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for path in $INSTDIR $INSTDIR_LOGICAL
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do
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# Create a soft-link, as it's a relative directory path (can't be a hard-link).
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INSTDIR_PARENT="$(dirname "$CHROOT/$path")"
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mkdir -p $INSTDIR_PARENT
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ln -f -s `realpath --relative-to=$INSTDIR_PARENT $CHROOT/lo` $CHROOT/$path
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done
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# /usr/share/fonts needs to be taken care of separately because the
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# directory time stamps must be preserved for fontconfig to trust
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# its cache.
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cd $CHROOT || exit 1
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mkdir -p usr/share || exit 1
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cp -r -p -L /usr/share/fonts usr/share
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if [ -h usr/share/fonts/ghostscript ]; then
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mkdir usr/share/ghostscript || exit 1
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cp -r -p -L /usr/share/ghostscript/fonts usr/share/ghostscript
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fi
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# Remove obsolete & unused bitmap fonts
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find usr/share -name '*.pcf' | xargs rm -f
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find usr/share -name '*.pcf.gz' | xargs rm -f
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# Debugging only hackery to avoid confusion.
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if test "z$ENABLE_DEBUG" != "z" -a "z$HOME" != "z"; then
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echo "Copying development users's fonts into systemplate"
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mkdir -p $CHROOT/$HOME
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test -d $HOME/.fonts && cp -r -p -L $HOME/.fonts $CHROOT/$HOME
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fi
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exit 0
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