Mi dispiace fare un thread di zombi, ma sto lavorando su alcune cose per il mio router OpenWRT e volevo controllare alcune dipendenze per vedere se avevo abbastanza spazio sulla mia partizione jffs2 da copiare solo su e2fsck.Risposta breve: nope.avi.
Anyhoo, ho fatto un piccolo script che utilizza i accepted answer più alcuni (probabilmente eccessivamente verbose) grep chiamate e con un po 'la mano agitando e qualche lacrima unicorno (nessun problema, erano lacrime di gioia!) Sono riuscito a mettere insieme la seguente script che ti dà tutte le dipendenze. Sono sicuro che c'è un sacco di spazio per ulteriori miglioramenti soprattutto Re: loop e ricorsione, così come il fatto che si tratta di tutti i bashismi tutto il tempo (cioè array indicizzati), ma questo è, almeno nominalmente, che lavora per me:
#!/bin/bash
declare -a search_path
declare -a found_deps
find_dependencies() {
local file="$1"
local -a deps
local -a deps_to_process
deps=($(readelf -d "$file" | grep "NEEDED" | \
grep -o -E "\[[^]]*\]" | grep -o -E "[^][]*"))
local add_this_dep=true
# always assume we've found $file and add it to the $found_deps list
# if it's not there
for found_dep in "${found_deps[@]}"
do
if [ "$found_dep" = "$(basename $file)" ]
then
add_this_dep=false
break
fi
done
# if $add_this_dep is true, go ahead and add to the found_deps list
if $add_this_dep
then
found_deps+=("$(basename $file)")
fi
# for every dependency found by readelf (no path)
for dep in "${deps[@]}"
do
local process_dep=true
# if the basename of the file passed into the function is
# this dep, skip processing altogether
if [ "$dep" = "$(basename $file)" ]
then
break
else
# otherwise, if it's one of the 'found deps' don't process it
for found_dep in "${found_deps[@]}"
do
if [ "$dep" = "$found_dep" ]
then
process_dep=false
break
fi
done
# it wasn't one of the 'found deps' so add
# it to the found_deps list
if $process_dep
then
found_deps+=($dep)
fi
fi
# if we are supposed to process this dep
if $process_dep
then
local file_path=
# check each search path for a file named $dep underneath it
for dir in $search_path
do
file_path=$(find "$dir" -name "$dep" | head -n 1)
# if the $file_path is not empty, then we found
# a copy of it, so break out of the loop
if [ -n "$file_path" ]; then break; fi;
done
# if the $file_path is not empty, then we found a copy
# of the file, place it the list of deps to be processed
if [ -n "$file_path" ]
then
deps_to_process+=($file_path)
fi
fi
done
# now, go through all of our $deps_to_process (with path)
# and run "find_dependencies" on them
for dep_to_process in "${deps_to_process[@]}"
do
find_dependencies "$dep_to_process"
done
}
argc=$#
if [ $argc -eq 0 ]
then
printf '%s: prints dependencies of a (potentially) non-native elf executable, recursively\n'
printf '\n'
printf 'usage:\n'
printf '\t%s <non-native elf executable> [ --supress-header ] [ <path> ... ]\n' "$(basename $0)"
printf '\twhere\n'
printf '\t\t<non-native elf executable> is the name of a file to find the dependencies of.\n'
printf '\t\t[ <path> ... ] is an optional list of directories under which to search for libraries.\n'
printf '\t\t[ --supress-header ] is an optional flag that prints nothing other than the list of files to stdout.\n'
printf '\t\t\t(without the parameter a banner is sent to stderr)'
printf '\n'
else
file="$1"
shift 1
show_header=true
if [ "$1" = "--supress-header" ]; then show_header=false; shift 1; fi;
if $show_header
then
printf ' -------------------------------------------------------------------------------------------------------------\n' 1>&2
printf ' ldd-nonnative: find all dependencies of a (potentially) non-native binary %s\n' "$file" 1>&2
printf ' -------------------------------------------------------------------------------------------------------------\n' 1>&2
fi
search_path="[email protected]"
find_dependencies $file
printf '\t%s\n' "${found_deps[@]}"
fi
# ❤ copyheart, shelleybutterfly, 2014
# love is never subject to the low; please copy and share with love :)
# contact information:
# [email protected]
# I hereby dedicate this software to the public domain in all jurisdictions
# where possible. In other jurisdictions, I license it to you under your
# choice of permissive license, as defined by the Open Source Institute (OSI),
# found at URL http://opensource.org. Should such a license be unavailable in
# your jurisdiection, you may use any copyleft open source license, again as
# defined by OSI; and if that too is unavailable, then you are licensed this
# software under the least restrictive possible terms allowed in your
# jurisdiction.
# I request but do not require that you give credit to me, shelleybutterfly,
# which I will accept in cases of licensing other than the public domain as
# valuable consideration for your use of my software. (I love to know that
# my name is plastered all over some obscure piece of code that's at least
# appreciated by those who do see it, and I consider that more than enough
# consideration. :D) This software is provided completely as-is, and I take
# absolutely no responsibility for any damages that it may cause. It has
# not been fully tested and should be considered pre-alpha release quality,
# (that is to say, it is likely unstable and unsafe to use without your own
# validation to ensure that it meets some or any your needs without: among
# other things: melting your computer, calling your grandma at midnight,
# telling your girlfriend she's fat, and throwing your computer in the
# dishwasher to make sure it's clean, and you take full responsibility for
# doing your own testing to ensure that it suits your needs, and operates
# properly int the conditions under which you intend to use it.
# Should you not be willing to take this risk, it is highly recommended
# that you do not use this software at all, ever, and that you instead find
# a real commercial piece of software, or other warranted piece of software,
# as I can not and do not and shall not provide any warranty of fitness for
# any purpose whatsoever, even to scrub your toilet, and it's provided with
# the understanding that it will be used primarily as an educational tool
# rather than any sort of production code. I disclaim any responsibility for
# anything that may happen to you due to your use of software, even if it
# causes huge zits, a rash under your boobs that wont go away, or a burning
# sensation when you pee. Sorry, **especially** for a burning sensation when
# you pee.
# Your use of this software implies acceptance of these terms as well as
# any painful urination or other issues it may cause in your life.
# [deep breath]
# my love to you all; I hope this software was useful to you in some way; if
# you end up using it despite the dire warnings against doing so, feel free
# to drop me a note at [email protected], as I imagine it
# will be rare enough to make my day, every time. ♥
Allora, ci sei. Spero che aiuti qualcuno. Egads mi ci è voluto molto tempo per diventare abbastanza buono con lo scripting della shell per essere in grado di estrarre qualcosa del genere, non importa che mi ci sia voluto molto più tempo di quello che probabilmente dovrebbe avere, quindi per favore perdona ciò che probabilmente ha scosso alcuni di voi guru dello script là fuori al centro del tuo essere. :)
@Shuman Probabilmente stai guardando uno script di shell. In caso contrario, dovresti fare una domanda a parte. –