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libguestfs/libguestfs.mkinitrd.1110.patch

294 lines
9.4 KiB
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---
mkinitrd/scripts/setup-prepare.sh | 94 ++++++++++++++++++++++++++++-------
mkinitrd/scripts/setup-progs.sh | 4 -
mkinitrd/scripts/setup-sharedlibs.sh | 60 +++++++++++++---------
3 files changed, 114 insertions(+), 44 deletions(-)
Index: 1110/mkinitrd/scripts/setup-prepare.sh
===================================================================
--- 1110.orig/mkinitrd/scripts/setup-prepare.sh
+++ 1110/mkinitrd/scripts/setup-prepare.sh
@@ -13,43 +13,103 @@
#%param_v: "Verbose mode."
#%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_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
-
- # 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 [ -L "$1" ]; then
- : do nothing with symlinks
- elif [ -d "$1" -o -f "$1" ]; then
- find "$1" -type f -print0 | xargs -0 chmod 0755
- 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}"
@@ -146,27 +206,27 @@ fi
for feature in $ADDITIONAL_FEATURES ; do
feature_exists "$feature" || echo "[WARNING] Feature \"$feature\" not found. A typo?"
done
# create an empty initrd
if ! mkdir $tmp_mnt ; then
error 1 "could not create temporary directory"
fi
# fill the initrd
cp $INITRD_PATH/bin/linuxrc $linuxrc
mkdir "$tmp_mnt/boot"
-mkdir -p $tmp_mnt/{sbin,bin,etc,dev,proc,sys,root,config}
+mkdir -p $tmp_mnt/{sbin,bin,etc,dev,proc,sys,root,config,usr/bin,usr/sbin}
mkdir -p -m 4777 $tmp_mnt/tmp
# Create a dummy /etc/mtab for mount/umount
echo -n > $tmp_mnt/etc/mtab
# Add modprobe, modprobe.conf*, and a version of /bin/true: modprobe.conf
# might use it.
cp -r $root_dir/etc/modprobe.conf $root_dir/etc/modprobe.conf.local \
$root_dir/etc/modprobe.d $tmp_mnt/etc
cat > $tmp_mnt/bin/true <<-EOF
#! /bin/sh
:
Index: 1110/mkinitrd/scripts/setup-progs.sh
===================================================================
--- 1110.orig/mkinitrd/scripts/setup-progs.sh
+++ 1110/mkinitrd/scripts/setup-progs.sh
@@ -28,29 +28,29 @@ for script in $INITRD_PATH/boot/*.sh; do
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 $(cat $script | grep '%programs: ' | sed 's/^#%programs: \(.*\)$/\1/'); do
for file in $(eval echo $files); do
if [ "${file:0:17}" = "/lib/mkinitrd/bin" ]; then
SOURCE=$file
DEST="./bin/"
elif [ "${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=".$SOURCE"
else
SOURCE=$(which "$file")
- DEST="./bin/"
+ DEST=".$SOURCE"
fi
cp_bin "$SOURCE" "$DEST"
done
done
fi
done
echo -ne "Features: "
echo $features
[ -e "bin/sh" ] || ln -s /bin/bash bin/sh
Index: 1110/mkinitrd/scripts/setup-sharedlibs.sh
===================================================================
--- 1110.orig/mkinitrd/scripts/setup-sharedlibs.sh
+++ 1110/mkinitrd/scripts/setup-sharedlibs.sh
@@ -54,58 +54,68 @@ shared_object_files() {
while [ -L "/$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
alpha|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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