File libguestfs.mkinitrd.1210.patch of Package libguestfs

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File libguestfs.mkinitrd.1210.patch of Package libguestfs (Revision 2ad598bb052b1260638e06304ddd0ba0)

Currently displaying revision 2ad598bb052b1260638e06304ddd0ba0 , Show latest

---
 mkinitrd/scripts/setup-prepare.sh    |   94 ++++++++++++++++++++++++++++-------
 mkinitrd/scripts/setup-progs.sh      |   17 +-----
 mkinitrd/scripts/setup-sharedlibs.sh |   60 +++++++++++++---------
 3 files changed, 115 insertions(+), 56 deletions(-)

Index: 1210/mkinitrd/scripts/setup-prepare.sh
===================================================================
--- 1210.orig/mkinitrd/scripts/setup-prepare.sh
+++ 1210/mkinitrd/scripts/setup-prepare.sh
@@ -13,43 +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_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}"
@@ -143,27 +203,27 @@ 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.
 for mod in $root_dir/etc/modprobe.conf $root_dir/etc/modprobe.conf.local \
     $root_dir/etc/modprobe.d ; do
     test -e $mod && cp -r $mod $tmp_mnt/etc
 done
 cat > $tmp_mnt/bin/true <<-EOF
Index: 1210/mkinitrd/scripts/setup-progs.sh
===================================================================
--- 1210.orig/mkinitrd/scripts/setup-progs.sh
+++ 1210/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: 1210/mkinitrd/scripts/setup-sharedlibs.sh
===================================================================
--- 1210.orig/mkinitrd/scripts/setup-sharedlibs.sh
+++ 1210/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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File libguestfs.mkinitrd.1210.patch of Package libguestfs (Revision 2ad598bb052b1260638e06304ddd0ba0)

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