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#!/bin/bash | ||
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# Returns colon separated list of linking dependencies | ||
get_link_deps() | ||
{ | ||
KEY= | ||
for dep in `scanelf --use-ldpath -yBF '%f %n' "$1"`; do | ||
if [[ -z $KEY ]]; then | ||
KEY="$dep" | ||
continue | ||
fi | ||
echo $dep | ||
done | ||
} | ||
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||
# 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=`get_link_deps "$2"` | ||
[[ "$mime" == 'application/x-sharedlib' ]] && /usr/bin/try_dlopen "$2" | ||
[[ -n $LINK ]] && echo -e ${LINK//,/\\n} | sort -u | ||
exit 0 | ||
fi | ||
exit 1 | ||
fi | ||
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||
[[ -z $* ]] && echo "usage: `basename $0` <package>" && exit 0 | ||
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# Check whether package is installed | ||
if ! portageq has_version $ROOT/ $1; then | ||
echo "$1 is not installed" | ||
exit 1 | ||
fi | ||
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# For each installed slot | ||
for cpv in `portageq match $ROOT/ $1`; do | ||
echo "Processing $cpv" | ||
# 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 |
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#include <stdio.h> | ||
#include <dlfcn.h> | ||
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/** | ||
* Attempts to load shared libraries | ||
* @param argc | ||
* @param argv files to check (pass only shared libs) | ||
* @return 0 - all shared libs loaded, 1 - error occured (invalid or broken files passed) | ||
*/ | ||
int main(int argc, char* argv[]) | ||
{ | ||
int i; | ||
for (i = 1; i < argc; ++i) { | ||
void* handle = dlopen(argv[i], RTLD_NOW); | ||
if (!handle) { | ||
fprintf(stderr, "%s\n", dlerror()); | ||
return 1; | ||
} else { | ||
dlclose(handle); | ||
} | ||
} | ||
return 0; | ||
} |