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Use debuginfo when extracting information about the packages
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SUSE packages now strip the .symtab away and store it in the debuginfo,
so get the debuginfo for the analysis as well.

ulp extract now accepts `-d` to specify a debuginfo.

Signed-off-by: Giuliano Belinassi <[email protected]>
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@giulianobelinassi
giulianobelinassi committed Jun 10, 2024
1 parent af23e65 commit f0ac2fb
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Showing 4 changed files with 235 additions and 46 deletions.
209 changes: 165 additions & 44 deletions scripts/setup_package.sh
View file
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ PROGNAME=`basename "$0"`
SLE_VERSION_REGEX="[0-9]{6}"
VERSION_REGEX="([0-9\.a-zA-Z]+-$SLE_VERSION_REGEX\.[0-9\.]+[0-9])"
PLATFORM=
PRODUCT=
URL=
PACKAGE=
NO_CLEANUP=0
Expand All @@ -37,10 +38,29 @@ NO_IPA_CLONES_DOWNLOAD=0
# If this flag is enabled, then download of debuginfo packages will be blocked.
NO_DEBUGINFO_DOWNLOAD=0

# Pushd and popd are not silent. Silence them.
pushd ()
{
command pushd "$@" > /dev/null
}
popd ()
{
command popd "$@" > /dev/null
}

set_url_platform()
{
PLATFORM=$1
URL="https://download.suse.de/updates/SUSE/Updates/SLE-Module-Basesystem/$PLATFORM/x86_64/update/x86_64"
PRODUCT=$2
local element=$3

URL="https://download.suse.de/download/ibs/SUSE:/SLE-$PLATFORM:/$PRODUCT/standard"

if [ "$element" == "src" ]; then
URL="$URL/src"
elif [ "$element" != "ipa-clones" ]; then
URL="$URL/x86_64"
fi
}

web_get()
Expand Down Expand Up @@ -89,6 +109,7 @@ get_sle_version_from_package_name()


local version=$(echo "$1" | grep -Eo "($SLE_VERSION_REGEX)")

local sle_version=${sle_hash[$version]}

if [ "x$sle_version" = "x" ]; then
Expand Down Expand Up @@ -120,6 +141,7 @@ download_package_list()
local url="$URL"
local list_path=$1

echo downloading package list: "$url"
web_get "$url" "$list_path"
}

Expand Down Expand Up @@ -211,11 +233,6 @@ get_list_of_debuginfo_packages()
local package_name=$(get_name_from_package_name $package)
local version=$(get_version_from_package_name $package)

# libopenssl1_1 src comes from openssl.
if [ "$package_name" = "libopenssl1_1" ]; then
package_name="openssl-1_1"
fi

src_package_list="$src_package_list $package_name-debuginfo-$version.x86_64.rpm"
done

Expand All @@ -229,21 +246,17 @@ download_debuginfo_packages()

echo $packages

URL="https://download.suse.de/updates/SUSE/Updates/SLE-Module-Basesystem/$PLATFORM/x86_64/update_debug/x86_64/"
set_url_platform $PLATFORM $PRODUCT "debuginfo"
parallel_download_packages "$packages"

URL=$old_url
}

download_src_packages()
{
local packages=$(get_list_of_src_packages "$*")
local old_url=$URL

URL="https://download.suse.de/updates/SUSE/Updates/SLE-Module-Basesystem/$PLATFORM/x86_64/update/src/"
set_url_platform $PLATFORM $PRODUCT "src"
parallel_download_packages "$packages"

URL=$old_url
}

download_ipa_clones()
Expand All @@ -254,10 +267,8 @@ download_ipa_clones()

local sle_ver=$(get_sle_version_from_package_name $1)

URL="https://download.suse.de/download/ibs/SUSE:/SLE-$sle_ver:/Update/standard/"
set_url_platform $PLATFORM $PRODUCT "ipa-clones"
parallel_download_packages "$ipa_clones_list"

URL=$old_url
}

extract_libs_from_package()
Expand All @@ -272,22 +283,47 @@ extract_libs_from_package()
mkdir -p $PLATFORM/$name/$version

cp $package $PLATFORM/$name/$version/$package
cp $src_package $PLATFORM/$name/$version/$src_package
cp $ipa_clones $PLATFORM/$name/$version/$ipa_clones
cp $debuginfo_package $PLATFORM/$name/$version/$debuginfo_package
if [ $? -ne 0 ]; then
echo "error: $package not downloaded."
exit 1
fi

if [ $NO_SRC_DOWNLOAD -eq 0 ]; then
cp $src_package $PLATFORM/$name/$version/$src_package
if [ $? -ne 0 ]; then
echo "error: $src_package not downloaded."
exit 1
fi
fi

if [ $NO_IPA_CLONES_DOWNLOAD -eq 0 ]; then
cp $ipa_clones $PLATFORM/$name/$version/$ipa_clones
if [ $? -ne 0 ]; then
echo "error: $ipa_clones not downloaded."
exit 1
fi
fi

if [ $NO_DEBUGINFO_DOWNLOAD -eq 0 ]; then
cp $debuginfo_package $PLATFORM/$name/$version/$debuginfo_package
if [ $? -ne 0 ]; then
echo "error: $debuginfo not downloaded."
exit 1
fi
fi

cd $PLATFORM/$name/$version
mkdir -p binaries
cd binaries
if [ -f ../$package ]; then
rpm2cpio ../$package | cpio -idmv --quiet
rpm2cpio ../$package | cpio -idm --quiet
fi
cd ..

mkdir -p src
cd src
if [ -f ../$src_package ]; then
rpm2cpio ../$src_package | cpio -idmv --quiet
rpm2cpio ../$src_package | cpio -idm --quiet
tar xf $(ls | grep -E "(\.tar\.xz$|\.tar\.gz$)")
fi
cd ..
Expand All @@ -296,7 +332,7 @@ extract_libs_from_package()
cd debuginfo
if [ -f ../$debuginfo_package ]; then
echo "Extracting $debuginfo_package"
rpm2cpio ../$debuginfo_package | cpio -idmv --quiet
rpm2cpio ../$debuginfo_package | cpio -idm --quiet
fi
cd ..

Expand All @@ -314,26 +350,98 @@ extract_libs_from_package()
cd ../../../
}

# List of .debug files in folder. Stored here for cache reasons.
_LIST_OF_DEBUG=""

match_so_to_debuginfo()
{
local so=$1
local base_so=$(basename $so)

local list_of_debug=$(echo $_LIST_OF_DEBUG | xargs -n1 | grep -E "$base_so.*\.debug$")

let num=0

# Count how many files we got.
for dbg in $list_of_debug; do
let "num=num+1"
done

# Assert that we got only one file
if [ $num -ne 1 ]; then
echo "Expected only 1 file matching $base_so, got $num: $list_of_debug" > /dev/stderr
exit 1
fi

# Return the file we got.
echo $list_of_debug
}

dump_interesting_info_from_elfs()
{
local list_of_sos=$(find $PLATFORM | grep -E "*.so[\.0-9]*$")
pushd $1
local list_of_sos=$(find . | grep -E ".*\.so[\.0-9]*$")

# Populate cache of list of .debug
_LIST_OF_DEBUG=$(find . -name "*.debug")

# Extract the relevant so information needed for livepatching.
# Iterate on every so in the folder.
for so in $list_of_sos; do
ulp extract $so -o $so.json
done
if [ $NO_DEBUGINFO_DOWNLOAD -eq 0 ]; then
# Get the debuginfo that matches this library.
local debug=$(match_so_to_debuginfo $so)

echo $list_of_sos
if [ "$debug" == "" ]; then
exit 1
fi

# Run the ulp extract command on both the library and debuginfo.
echo ulp extract $so -d $debug -o $so.json
ulp extract $so -d $debug -o $so.json
else
# Run the ulp extract command only on the library.
echo ulp extract $so -o $so.json
ulp extract $so -o $so.json
fi
done

# Delete all .so we don't need.
for so in $list_of_sos; do
rm -f $so
done

# Delete all .debug we we don't need.
for debug in $_LIST_OF_DEBUG; do
rm -f $debug
done

# Delete empty directories left.
find . -type d -empty -delete

# Invalidate the cache.
_LIST_OF_DEBUG=""

popd
}

dump_interesting_info_from_elfs_in_lib()
{
local platform=$1

# Enter in platform folder
pushd $platform

# Iterate on every version
for dir in $(ls); do
dump_interesting_info_from_elfs $dir
done
popd

}

sanitize_platform()
{
local platforms="15-SP3 15-SP4"
local platforms="15-SP3 15-SP4 15-SP5"

for platform in ${platforms}; do
if [ "$PLATFORM" = "$platform" ]; then
Expand Down Expand Up @@ -440,36 +548,49 @@ parse_program_argv()
sanitize_package

# Set platform globally
set_url_platform "$PLATFORM"
set_url_platform "$PLATFORM" "GA"
}

main()
{
# Set default URL platform to "15-SP4".
set_url_platform "15-SP4"
parse_program_argv $*

# Clean the directory
rm -rf $PLATFORM

download_package_list "/tmp/suse_package_list.html"
local names=$(extract_lib_package_names "/tmp/suse_package_list.html" $PACKAGE)
local all_names=""
local products="GA Update"

parallel_download_packages "$names"
for product in GA Update; do
# Set platform globally
set_url_platform "$PLATFORM" $product

if [ $NO_SRC_DOWNLOAD -eq 0 ]; then
download_src_packages "$names"
fi
if [ $NO_IPA_CLONES_DOWNLOAD -eq 0 ]; then
download_ipa_clones "$names"
fi
if [ $NO_DEBUGINFO_DOWNLOAD -eq 0 ]; then
download_debuginfo_packages "$names"
fi
download_package_list "/tmp/suse_package_list.html"
local names=$(extract_lib_package_names "/tmp/suse_package_list.html" $PACKAGE)

# Clean the directory
rm -rf $PLATFORM

parallel_download_packages "$names"

if [ $NO_SRC_DOWNLOAD -eq 0 ]; then
download_src_packages "$names"
fi
if [ $NO_IPA_CLONES_DOWNLOAD -eq 0 ]; then
download_ipa_clones "$names"
fi
if [ $NO_DEBUGINFO_DOWNLOAD -eq 0 ]; then
download_debuginfo_packages "$names"
fi

all_names="$all_names $names"
done

for package in $names; do
for package in $all_names; do
extract_libs_from_package "$package"
done

dump_interesting_info_from_elfs
dump_interesting_info_from_elfs_in_lib $PLATFORM/$PACKAGE

# Delete all packages to cleanup.
if [ $NO_CLEANUP -ne 1 ]; then
Expand Down
1 change: 1 addition & 0 deletions tools/arguments.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ struct arguments
const char *process_wildcard;
const char *user_wildcard;
const char *prefix;
const char *with_debuginfo;
command_t command;
int retries;
int quiet;
Expand Down
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