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libguestfs/libguestfs.mkinitrd.1220.patch

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---
mkinitrd/scripts/setup-prepare.sh | 126 +++++++++++++++++++++--------------
mkinitrd/scripts/setup-progs.sh | 17 ----
mkinitrd/scripts/setup-sharedlibs.sh | 60 +++++++++-------
3 files changed, 114 insertions(+), 89 deletions(-)
Index: 1220/mkinitrd/scripts/setup-prepare.sh
===================================================================
--- 1220.orig/mkinitrd/scripts/setup-prepare.sh
+++ 1220/mkinitrd/scripts/setup-prepare.sh
@@ -13,77 +13,103 @@
#%param_R: "Print release (version)."
#%param_L: "Disable logging."
#%param_h: "This help screen."
#
###### Additional options
##
## Script inclusion may be overriden by
## 1) creating a monster-initrd
## 2) including the wanted module in the configuration option ADDITIONAL_FEATURES in /etc/sysconfig/initrd
## 3) definition using the -f command line switch
##
# Install a binary file
-cp_link() {
- # Copy the target of the given link $1 to the destination $2
- # spaces and special characters in file names will break things
- if [ -h "$1" ]; then
- lnkTarget=$(readlink $1)
- if [ -e $lnkTarget ];then
- cp -a $lnkTarget $2/$lnkTarget
- else
- # This link points to something in the same directory
- lnkSrc="$1"
- # Get the base bath of the link origin
- lnkSrcBase=${lnkSrc%/*}
- cp -a $lnkSrcBase/$lnkTarget $2/$lnkSrcBase/$lnkTarget
- fi
- return 1
- fi
- return 0
-}
-
+# cp_bin file target_filename
+# cp_bin file target_directory
+# cp_bin file file target_directory
+# file is either a regular file or a symlink. symlinks and all paths they point to will be copied
+# the "root" of target is $tmp_mnt, which is required to copy symlinks properly
cp_bin() {
- cp -a "$@" \
- || exit_code=1
-
- if [ -h "$1" ]; then
- lnkTarget=$1
- # Determine the base bath of the target
- targetPath="$2"
- targetBase=${targetPath%$1*}
- while [ 1 ]; do
- cp_link $lnkTarget $targetBase
- lnkCopied=$?
- if [ $lnkCopied = 0 ]; then
- if [ -e $lnkTarget ]; then
- initrd_bins[${#initrd_bins[@]}]=$lnkTarget
- fi
- break
- fi
- done
- else
- # Remember the binaries installed. We need the list for checking
- # for dynamic libraries.
- while [ $# -gt 1 ]; do
- initrd_bins[${#initrd_bins[@]}]=$1
- shift
- done
- # file may print '^setuid ELF ...'
- # suid mount will fail if mkinitrd was called as user
- if [ -d "$1" -o -f "$1" ]; then
- find "$1" -type f -print0 | xargs -0 chmod 0755
- fi
- fi
+ local -a files
+ local target
+ local target_dirname
+ local file
+
+ # need at least two parameters, source and destination
+ if test $# -lt 2
+ then
+ return 0
+ fi
+ # store source filenames
+ until test $# -eq 1
+ do
+ files=( ${files[@]} $1 )
+ shift
+ done
+ # store target, either file or directory
+ target=$1
+ # if more than two parameters, last entry must be a directory
+ if test ${#files[@]} -gt 1
+ then
+ if ! test -d ${target}
+ then
+ return 0
+ fi
+ target_dirname=${target}
+ else
+ # simplify symlink resolving for sinlge filename
+ target_dirname=${target%/*}
+ fi
+
+ for file in ${files[@]}
+ do
+ local src dst
+ src=${file}
+ dst=${target}
+ # copy requested soure file as is to requested destination
+ cp -a -v --remove-destination ${src} ${dst}
+ # copy symlinks recursivly
+ while [ 1 ]
+ do
+ local tmp_src
+ if test -L ${src}
+ then
+ tmp_src=$(readlink ${src})
+ if test "${tmp_src:0:1}" = "/"
+ then
+ src=${tmp_src}
+ else
+ # relative symlink
+ src=${src%/*}/${tmp_src}
+ fi
+ cp -a -v --remove-destination --parents ${src} $tmp_mnt
+ # if link target exists, proceed to next symlink target
+ if test -e "${src}"
+ then
+ continue
+ fi
+ fi
+ # exit loop in case of dead symlink or if target of symlink was reached
+ break
+ done
+ # if source file exists, add it to list of binaries
+ if test -e "${src}"
+ then
+ # file may print '^setuid ELF ...'
+ # suid mount will fail if mkinitrd was called as user
+ chmod -v 0755 $tmp_mnt/${src}
+ initrd_bins[${#initrd_bins[@]}]=${src}
+ fi
+ done
}
# check if we should use script or feature $1
use_script() {
local condition feature script file
# always use when creating monster initrd
[ "$create_monster_initrd" ] && return 0
# Normalize to feature name
feature="${1##*/}"
feature="${feature#*-}"
feature="${feature%.sh}"
Index: 1220/mkinitrd/scripts/setup-progs.sh
===================================================================
--- 1220.orig/mkinitrd/scripts/setup-progs.sh
+++ 1220/mkinitrd/scripts/setup-progs.sh
@@ -24,48 +24,37 @@ for script in $INITRD_PATH/boot/*.sh; do
condition="$(sed -rn 's/^#[[:blank:]]*%if:[[:blank:]]*(.*)$/if [ \1 ]; then/p' < "$script")"
echo "$condition" >> run_all.sh
# -- remember dependent modules
sed -rn 's/^#[[:blank:]]*%modules:[[:blank:]]*(.*)$/modules="\1"/p' < $script >> run_all.sh
echo "[ \"\$debug\" ] && echo running $file
source boot/$file
[ \"\$modules\" ] && load_modules" >> run_all.sh
[ "$condition" ] && echo "fi" >> run_all.sh
# and all programs it needs
for files in $(sed -rn 's/^#[[:blank:]]*%programs:[[:blank:]]*(.*)$/\1/p' < "$script"); do
for file in $(eval echo $files); do
if [ "${file:0:17}" = "/lib/mkinitrd/bin" ]; then
SOURCE=$file
- DEST="./bin/"
+ DEST="${tmp_mnt}/bin/"
elif [ "${file:0:1}" = "/" ]; then # absolute path files have to stay alive
SOURCE=$file
[ ! -e $file -a -e /usr$file ] && SOURCE="/usr$file"
- DEST=".$file"
+ DEST="${tmp_mnt}$SOURCE"
else
case "$(type -t "$file")" in
builtin) continue
esac
SOURCE=$(type -p "$file")
- DEST="./bin/"
+ DEST="${tmp_mnt}$SOURCE"
fi
cp_bin "$SOURCE" "$DEST"
-
- # if we're given a symlink, always copy the linked file too
- if [ -L "$SOURCE" ]; then
- LINK=$(readlink -e "$SOURCE")
- if [ -e "$LINK" ]; then
- mkdir -p .$(dirname "$LINK")
- cp_bin "$LINK" ."$LINK"
- else
- echo 2>&1 "WARNING: $LINK is a dangling symlink"
- fi
- fi
done
done
fi
done
echo -ne "Features: "
echo $features
[ -e "bin/sh" ] || ln -s /bin/bash bin/sh
Index: 1220/mkinitrd/scripts/setup-sharedlibs.sh
===================================================================
--- 1220.orig/mkinitrd/scripts/setup-sharedlibs.sh
+++ 1220/mkinitrd/scripts/setup-sharedlibs.sh
@@ -54,58 +54,68 @@ shared_object_files() {
while [ -L "/$lib" ]; do
echo $lib
link="$(readlink "/$lib")"
if [ x"${link:0:1}" == x"/" ]; then
lib=${link#/}
else
lib="${lib%/*}/$link"
fi
done
echo $lib
done
}
-verbose -ne "Shared libs:\t"
-# Copy all required shared libraries and the symlinks that
-# refer to them.
-lib_files=$(shared_object_files "${initrd_bins[@]}")
-[ $? -eq 0 ] || return 1
-if [ -n "$lib_files" ]; then
- for lib in $lib_files; do
- [ -L $root_dir/$lib ] || verbose -n "$lib "
- ( cd ${root_dir:-/} ; cp -dp --parents $lib $tmp_mnt )
- done
- lib_files=
+copy_shared_libs() {
+ local bins=( "$@" )
+ local extra_lib_files lib_files lib i
+
+ # First see what nss and other libs are required. This can be 64bit or 32bit,
+ # depending on the host and the already copied binaries.
case "$(uname -m)" in
ia64)
+ # this is a known location
mkdir -p $tmp_mnt/lib
- lib_files="$lib_files `echo $root_dir/lib/libnss_{dns,files}* $root_dir/lib/lib{gcc_s,unwind}.so*`"
+ extra_lib_files="`echo $root_dir/lib/libnss_{dns,files}* $root_dir/lib/lib{gcc_s,unwind}.so*`"
;;
*)
- # no symlinks, most point into the running system
- for i in `LANG=C LC_ALL=C file -b $tmp_mnt/{,usr/}{lib*/udev/,{,s}bin}/* | sed -n 's/^ELF \([0-9][0-9]-bit\) .*/\1/p' | sort -u`
+ # Skip symlinks, they may point into the running system instead of $tmp_mnt
+ for i in `LANG=C LC_ALL=C file -b $tmp_mnt/{,usr/}{lib*/udev,{,s}bin}/* | sed -n 's/^ELF \([0-9][0-9]-bit\) .*/\1/p' | sort -u`
do
case "$i" in
32-bit)
mkdir -p $tmp_mnt/lib
- lib_files="$lib_files `echo $root_dir/lib/libnss_{dns,files}* $root_dir/lib/libgcc_s.so*`"
+ extra_lib_files="$extra_lib_files `echo $root_dir/lib/libnss_{dns,files}* $root_dir/lib/libgcc_s.so*`"
;;
64-bit)
mkdir -p $tmp_mnt/lib64
- lib_files="$lib_files `echo $root_dir/lib64/libnss_{dns,files}* $root_dir/lib64/libgcc_s.so*`"
+ extra_lib_files="$extra_lib_files `echo $root_dir/lib64/libnss_{dns,files}* $root_dir/lib64/libgcc_s.so*`"
;;
esac
done
;;
esac
- for lib in $lib_files ; do
- if [ -f $lib ] ; then
- verbose -n "${lib##$root_dir/} "
- cp -dp --parents $lib $tmp_mnt
+ verbose -ne "Shared libs:\t"
+
+ # Now collect a list of libraries on which the binaries and extra libs depend on
+ lib_files=$( shared_object_files ${bins[@]} $extra_lib_files )
+ if [ $? -eq 0 ]
+ then
+ if [ -n "$lib_files" ]
+ then
+ # Finally copy dependencies and extra libs
+ for lib in $lib_files $extra_lib_files
+ do
+ [ -L $root_dir/$lib ] || verbose -n "$lib "
+ ( cd ${root_dir:-/} ; cp -dp --parents $lib $tmp_mnt )
+ done
+ verbose
+ else
+ verbose "none"
fi
- done
- verbose
-else
- verbose "none"
-fi
+ else
+ return 1
+ fi
+}
+# Copy all required shared libraries and the symlinks that refer to them.
+copy_shared_libs "${initrd_bins[@]}"
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