diff options
| -rwxr-xr-x | Documentation/maintainers/dynlink-scanner | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/Documentation/maintainers/dynlink-scanner b/Documentation/maintainers/dynlink-scanner index 07f4fffb22d..017f929bcbb 100755 --- a/Documentation/maintainers/dynlink-scanner +++ b/Documentation/maintainers/dynlink-scanner @@ -1,9 +1,10 @@ #!/bin/bash -run_scanelf() +# Returns colon separated list of linking dependencies +get_link_deps() { KEY= - for dep in `scanelf -yBF '%f %n' "$1"`; do + for dep in `scanelf --use-ldpath -yBF '%f %n' "$1"`; do if [[ -z $KEY ]]; then KEY="$dep" continue @@ -12,12 +13,19 @@ run_scanelf() done } -if [[ "$1" = --internal ]]; then +# Print linking deps for given executable or shared object in alphabetical order. +# Also try to dlopen shared objects in order to detect missing/broken dependencies. +if [[ "$1" = --linking-deps ]]; then + # Sanity check, file-5.12 is broken, bail out early + if [[ `file --version | grep --color=never file- | cut -d'-' -f2` == '5.12' ]]; then + echo "file-5.12 is broken, bailing out" + exit 1 + fi mime=`file -b --mime-type "$2"` if [[ "$mime" == 'application/x-executable' ]] || [[ "${mime}" == 'application/x-sharedlib' ]]; then - LINK=`run_scanelf "$2"` + LINK=`get_link_deps "$2"` [[ "$mime" == 'application/x-sharedlib' ]] && /tmp/try_dlopen "$2" - [[ -n $LINK ]] && echo -e ${LINK//,/\\n} + [[ -n $LINK ]] && echo -e ${LINK//,/\\n} | sort -u exit 0 fi exit 1 @@ -25,17 +33,23 @@ fi [[ -z $* ]] && echo "usage: `basename $0` <package>" && exit 0 +# Check whether package is installed if ! portageq has_version $ROOT/ $1; then echo "$1 is not installed" exit 1 fi -LDLIBS=`/sbin/ldconfig -p` +# Compile dlopen test application, we will use it to check for broken linking dependencies gcc "`dirname $0`/try_dlopen.c" -o /tmp/try_dlopen -ldl +# For each installed slot for cpv in `portageq match $ROOT/ $1`; do echo "Processing $cpv" - qfile -eR $ROOT `portageq contents $ROOT/ $cpv | xargs -r -L 1 "$0" --internal | sort -u` | cut -f1 -d' ' | sort -u + # For each file that belongs to package + # run dynlink-scanner --linking-deps <file> to obtain its linking dependencies + # Assign all linking deps to packages and print package names + qfile -eR $ROOT `portageq contents $ROOT/ $cpv | xargs -r -L 1 "$0" --linking-deps` | cut -f1 -d' ' | sort -u done +# Cleanup rm -f /tmp/try_dlopen |