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cdist-mirror/cdist/preos/debootstrap/files/devuan-debootstrap/functions

1735 lines
41 KiB

############################################################### smallutils
smallyes() {
YES="${1-y}"
while echo "$YES" 2>/dev/null ; do : ; done
}
in_path () {
local OLD_IFS="$IFS"
IFS=":"
for dir in $PATH; do
if [ -x "$dir/$1" ]; then
IFS="$OLD_IFS"
return 0
fi
done
IFS="$OLD_IFS"
return 1
}
############################################################### interaction
error () {
# <error code> <name> <string> <args>
local err="$1"
local name="$2"
local fmt="$3"
shift; shift; shift
if [ "$USE_DEBIANINSTALLER_INTERACTION" ]; then
(echo "E: $name"
for x in "$@"; do echo "EA: $x"; done
echo "EF: $fmt") >&4
else
(printf "E: $fmt\n" "$@") >&4
fi
exit $err
}
warning () {
# <name> <string> <args>
local name="$1"
local fmt="$2"
shift; shift
if [ "$USE_DEBIANINSTALLER_INTERACTION" ]; then
(echo "W: $name"
for x in "$@"; do echo "WA: $x"; done
echo "WF: $fmt") >&4
else
printf "W: $fmt\n" "$@" >&4
fi
}
info () {
# <name> <string> <args>
local name="$1"
local fmt="$2"
shift; shift
if [ "$USE_DEBIANINSTALLER_INTERACTION" ]; then
(echo "I: $name"
for x in "$@"; do echo "IA: $x"; done
echo "IF: $fmt") >&4
else
printf "I: $fmt\n" "$@" >&4
fi
}
PROGRESS_NOW=0
PROGRESS_END=0
PROGRESS_NEXT=""
PROGRESS_WHAT=""
progress_next () {
PROGRESS_NEXT="$1"
}
wgetprogress () {
[ ! "$VERBOSE" ] && QSWITCH="-q"
local ret=0
if [ "$USE_DEBIANINSTALLER_INTERACTION" ] && [ "$PROGRESS_NEXT" ]; then
wget "$@" 2>&1 >/dev/null | $PKGDETAILS "WGET%" $PROGRESS_NOW $PROGRESS_NEXT $PROGRESS_END >&3
ret=$?
else
wget $QSWITCH "$@"
ret=$?
fi
return $ret
}
progress () {
# <now> <end> <name> <string> <args>
local now="$1"
local end="$2"
local name="$3"
local fmt="$4"
shift; shift; shift; shift
if [ "$USE_DEBIANINSTALLER_INTERACTION" ]; then
PROGRESS_NOW="$now"
PROGRESS_END="$end"
PROGRESS_NEXT=""
(echo "P: $now $end $name"
for x in "$@"; do echo "PA: $x"; done
echo "PF: $fmt") >&3
fi
}
dpkg_progress () {
# <now> <end> <name> <desc> UNPACKING|CONFIGURING
local now="$1"
local end="$2"
local name="$3"
local desc="$4"
local action="$5"
local expect=
if [ "$action" = UNPACKING ]; then
expect=half-installed
elif [ "$action" = CONFIGURING ]; then
expect=half-configured
fi
dp () {
now="$(($now + ${1:-1}))"
}
exitcode=0
while read status pkg qstate; do
if [ "$status" = "EXITCODE" ]; then
exitcode="$pkg"
continue
fi
[ "$qstate" = "$expect" ] || continue
case $qstate in
half-installed)
dp; progress "$now" "$end" "$name" "$desc"
info "$action" "Unpacking %s..." "${pkg%:}"
expect=unpacked
;;
unpacked)
expect=half-installed
;;
half-configured)
dp; progress "$now" "$end" "$name" "$desc"
info "$action" "Configuring %s..." "${pkg%:}"
expect=installed
;;
installed)
expect=half-configured
;;
esac
done
return $exitcode
}
############################################################# set variables
default_mirror () {
DEF_MIRROR="$1"
}
FINDDEBS_NEEDS_INDICES=false
finddebs_style () {
case "$1" in
hardcoded)
;;
from-indices)
FINDDEBS_NEEDS_INDICES=true
;;
*)
error 1 BADFINDDEBS "unknown finddebs style"
;;
esac
}
mk_download_dirs () {
if [ $DLDEST = "apt_dest" ]; then
mkdir -p "$TARGET/$APTSTATE/lists/partial"
mkdir -p "$TARGET/var/cache/apt/archives/partial"
fi
}
download_style () {
case "$1" in
apt)
if [ "$2" = "var-state" ]; then
APTSTATE=var/state/apt
else
APTSTATE=var/lib/apt
fi
DLDEST=apt_dest
export APTSTATE DLDEST DEBFOR
;;
*)
error 1 BADDLOAD "unknown download style"
;;
esac
}
keyring () {
if [ -z "$KEYRING" ]; then
if [ -e "$1" ]; then
KEYRING="$1"
elif [ -z "$DISABLE_KEYRING" ]; then
if [ -n "$DEF_HTTPS_MIRROR" ] && [ -z "$USER_MIRROR" ] && [ -z "$FORCE_KEYRING" ]; then
info KEYRING "Keyring file not available at %s; switching to https mirror %s" "$1" "$DEF_HTTPS_MIRROR"
USER_MIRROR="$DEF_HTTPS_MIRROR"
else
warning KEYRING "Cannot check Release signature; keyring file not available %s" "$1"
if [ -n "$FORCE_KEYRING" ]; then
error 1 KEYRING "Keyring-based check was requested; aborting accordingly"
fi
fi
fi
fi
}
########################################################## variant handling
doing_variant () {
if [ "$1" = "$VARIANT" ]; then return 0; fi
if [ "$1" = "-" ] && [ "$VARIANT" = "" ]; then return 0; fi
return 1
}
SUPPORTED_VARIANTS="-"
variants () {
SUPPORTED_VARIANTS="$*"
for v in $*; do
if doing_variant "$v"; then return 0; fi
done
error 1 UNSUPPVARIANT "unsupported variant"
}
################################################# work out names for things
mirror_style () {
case "$1" in
release)
DOWNLOAD_INDICES=download_release_indices
DOWNLOAD_DEBS=download_release
;;
main)
DOWNLOAD_INDICES=download_main_indices
DOWNLOAD_DEBS=download_main
;;
*)
error 1 BADMIRROR "unknown mirror style"
;;
esac
export DOWNLOAD_INDICES
export DOWNLOAD_DEBS
}
force_md5 () {
DEBOOTSTRAP_CHECKSUM_FIELD=MD5SUM
export DEBOOTSTRAP_CHECKSUM_FIELD
}
verify_checksum () {
# args: dest checksum size
local expchecksum="$2"
local expsize="$3"
if [ "$DEBOOTSTRAP_CHECKSUM_FIELD" = "MD5SUM" ]; then
if in_path md5sum; then
relchecksum=`md5sum < "$1" | sed 's/ .*$//'`
elif in_path md5; then
relchecksum=`md5 < "$1"`
else
error 1 SIGCHECK "Cannot check md5sum"
fi
else
if in_path "sha${SHA_SIZE}sum"; then
relchecksum=`sha${SHA_SIZE}sum < "$1" | sed 's/ .*$//'`
elif in_path "sha${SHA_SIZE}"; then
relchecksum=`sha${SHA_SIZE} < "$1"`
else
error 1 SIGCHECK "Cannot check sha${SHA_SIZE}sum"
fi
fi
relsize=`wc -c < "$1"`
if [ "$expsize" -ne "$relsize" ] || [ "$expchecksum" != "$relchecksum" ]; then
return 1
fi
return 0
}
get () {
# args: from dest 'nocache'
# args: from dest [checksum size] [alt {checksum size type}]
local displayname
local versionname
if [ "${2%.deb}" != "$2" ]; then
displayname="$(echo "$2" | sed 's,^.*/,,;s,_.*$,,')"
versionname="$(echo "$2" | sed 's,^.*/,,' | cut -d_ -f2 | sed 's/%3a/:/')"
else
displayname="$(echo "$1" | sed 's,^.*/,,')"
fi
if [ -e "$2" ]; then
if [ -z "$3" ]; then
return 0
elif [ "$3" = nocache ]; then
rm -f "$2"
else
info VALIDATING "Validating %s %s" "$displayname" "$versionname"
if verify_checksum "$2" "$3" "$4"; then
return 0
else
rm -f "$2"
fi
fi
fi
# Drop 'nocache' option
if [ "$3" = nocache ]; then
set "$1" "$2"
fi
if [ "$#" -gt 5 ]; then
local st=3
if [ "$5" = "-" ]; then st=6; fi
local order="$(a=$st; while [ "$a" -le $# ]; do eval echo \"\${$(($a+1))}\" $a;
a=$(($a + 3)); done | sort -n | sed 's/.* //')"
else
local order=3
fi
for a in $order; do
local checksum="$(eval echo \${$a})"
local siz="$(eval echo \${$(( $a+1 ))})"
local typ="$(eval echo \${$(( $a+2 ))})"
local from
local dest
local iters=0
case "$typ" in
xz) from="$1.xz"; dest="$2.xz" ;;
bz2) from="$1.bz2"; dest="$2.bz2" ;;
gz) from="$1.gz"; dest="$2.gz" ;;
*) from="$1"; dest="$2" ;;
esac
if [ "${dest#/}" = "$dest" ]; then
dest="./$dest"
fi
local dest2="$dest"
if [ -d "${dest2%/*}/partial" ]; then
dest2="${dest2%/*}/partial/${dest2##*/}"
fi
while [ "$iters" -lt 10 ]; do
info RETRIEVING "Retrieving %s %s" "$displayname" "$versionname"
if ! just_get "$from" "$dest2"; then continue 2; fi
if [ "$checksum" != "" ]; then
info VALIDATING "Validating %s %s" "$displayname" "$versionname"
if verify_checksum "$dest2" "$checksum" "$siz"; then
checksum=""
fi
fi
if [ -z "$checksum" ]; then
[ "$dest2" = "$dest" ] || mv "$dest2" "$dest"
case "$typ" in
gz) gunzip "$dest" ;;
bz2) bunzip2 "$dest" ;;
xz) unxz "$dest" ;;
esac
return 0
else
rm -f "$dest2"
warning RETRYING "Retrying failed download of %s" "$from"
iters="$(($iters + 1))"
fi
done
warning CORRUPTFILE "%s was corrupt" "$from"
done
return 1
}
just_get () {
# args: from dest
local from="$1"
local dest="$2"
mkdir -p "${dest%/*}"
if [ "${from#null:}" != "$from" ]; then
error 1 NOTPREDL "%s was not pre-downloaded" "${from#null:}"
elif [ "${from#http://}" != "$from" ] || [ "${from#ftp://}" != "$from" ]; then
# http/ftp mirror
if wgetprogress -O "$dest" "$from"; then
return 0
else
rm -f "$dest"
return 1
fi
elif [ "${from#https://}" != "$from" ] ; then
# http/ftp mirror
if wgetprogress $CHECKCERTIF $CERTIFICATE $PRIVATEKEY -O "$dest" "$from"; then
return 0
else
rm -f "$dest"
return 1
fi
elif [ "${from#file:}" != "$from" ]; then
local base="${from#file:}"
if [ "${base#//}" != "$base" ]; then
base="/${from#file://*/}"
fi
if [ -e "$base" ]; then
cp "$base" "$dest"
return 0
else
return 1
fi
elif [ "${from#ssh:}" != "$from" ]; then
local ssh_dest="$(echo $from | sed -e 's#ssh://##' -e 's#/#:/#')"
if [ -n "$ssh_dest" ]; then
scp "$ssh_dest" "$dest"
return 0
else
return 1
fi
else
error 1 UNKNOWNLOC "unknown location %s" "$from"
fi
}
download () {
mk_download_dirs
"$DOWNLOAD_DEBS" $(echo "$@" | tr ' ' '\n' | sort)
}
download_indices () {
mk_download_dirs
"$DOWNLOAD_INDICES" $(echo "$@" | tr ' ' '\n' | sort)
}
debfor () {
(while read pkg path; do
for p in "$@"; do
[ "$p" = "$pkg" ] || continue;
echo "$path"
done
done <"$TARGET/debootstrap/debpaths"
)
}
apt_dest () {
# args:
# deb package version arch mirror path
# pkg suite component arch mirror path
# rel suite mirror path
case "$1" in
deb)
echo "/var/cache/apt/archives/${2}_${3}_${4}.deb" | sed 's/:/%3a/'
;;
pkg)
local m="$5"
m="debootstrap.invalid"
#if [ "${m#http://}" != "$m" ]; then
# m="${m#http://}"
#elif [ "${m#file://}" != "$m" ]; then
# m="file_localhost_${m#file://*/}"
#elif [ "${m#file:/}" != "$m" ]; then
# m="file_localhost_${m#file:/}"
#fi
printf "%s" "$APTSTATE/lists/"
echo "${m}_$6" | sed 's/\//_/g'
;;
rel)
local m="$3"
m="debootstrap.invalid"
#if [ "${m#http://}" != "$m" ]; then
# m="${m#http://}"
#elif [ "${m#file://}" != "$m" ]; then
# m="file_localhost_${m#file://*/}"
#elif [ "${m#file:/}" != "$m" ]; then
# m="file_localhost_${m#file:/}"
#fi
printf "%s" "$APTSTATE/lists/"
echo "${m}_$4" | sed 's/\//_/g'
;;
esac
}
################################################################## download
get_release_checksum () {
local reldest="$1"
local path="$2"
if [ "$DEBOOTSTRAP_CHECKSUM_FIELD" = MD5SUM ]; then
local match="^[Mm][Dd]5[Ss][Uu][Mm]"
else
local match="^[Ss][Hh][Aa]$SHA_SIZE:"
fi
sed -n "/$match/,/^[^ ]/p" < "$reldest" | \
while read a b c; do
if [ "$c" = "$path" ]; then echo "$a $b"; fi
done | head -n 1
}
extract_release_components () {
local reldest="$1"; shift
TMPCOMPONENTS="$(sed -n 's/Components: *//p' "$reldest")"
for c in $TMPCOMPONENTS ; do
eval "
case \"\$c\" in
$USE_COMPONENTS)
COMPONENTS=\"\$COMPONENTS \$c\"
;;
esac
"
done
COMPONENTS="$(echo $COMPONENTS)"
if [ -z "$COMPONENTS" ]; then
mv "$reldest" "$reldest.malformed"
error 1 INVALIDREL "Invalid Release file, no valid components"
fi
}
CODENAME=""
validate_suite () {
local reldest="$1"
CODENAME=$(sed -n "s/^Codename: *//p" "$reldest")
local suite=$(sed -n "s/^Suite: *//p" "$reldest")
if [ "$SUITE" != "$suite" ] && [ "$SUITE" != "$CODENAME" ]; then
error 1 WRONGSUITE "Asked to install suite %s, but got %s (codename: %s) from mirror" "$SUITE" "$suite" "$CODENAME"
fi
}
split_inline_sig () {
local inreldest="$1"
local reldest="$2"
local relsigdest="$3"
# Note: InRelease files are fun since one needs to remove the
# last newline from the PGP SIGNED MESSAGE part, while keeping
# the PGP SIGNATURE part intact. This shell implementation
# should work on most if not all systems, instead of trying to
# sed/tr/head, etc.
rm -f "$reldest" "$relsigdest"
nl=""
state=pre-begin
while IFS= read -r line; do
case "${state}" in
pre-begin)
if [ "x${line}" = "x-----BEGIN PGP SIGNED MESSAGE-----" ]; then
state=begin
fi
;;
begin)
if [ "x${line}" = "x" ]; then
state=data
fi
;;
data)
if [ "x${line}" = "x-----BEGIN PGP SIGNATURE-----" ]; then
printf "%s\n" "${line}" > "$relsigdest"
state=signature
else
printf "${nl}%s" "${line}" >> "$reldest"
nl="\n"
fi
;;
signature)
printf "%s\n" "${line}" >> "$relsigdest"
if [ "x${line}" = "x-----END PGP SIGNATURE-----" ]; then
break
fi
esac
done < "$inreldest"
}
download_release_sig () {
local m1="$1"
local inreldest="$2"
local reldest="$3"
local relsigdest="$4"
progress 0 100 DOWNREL "Downloading Release file"
progress_next 100
if get "$m1/dists/$SUITE/InRelease" "$inreldest" nocache; then
split_inline_sig "$inreldest" "$reldest" "$relsigdest"
progress 100 100 DOWNREL "Downloading Release file"
else
get "$m1/dists/$SUITE/Release" "$reldest" nocache ||
error 1 NOGETREL "Failed getting release file %s" "$m1/dists/$SUITE/Release"
progress 100 100 DOWNREL "Downloading Release file"
fi
if [ -n "$KEYRING" ] && [ -z "$DISABLE_KEYRING" ]; then
progress 0 100 DOWNRELSIG "Downloading Release file signature"
if ! [ -f "$relsigdest" ]; then
progress_next 50
get "$m1/dists/$SUITE/Release.gpg" "$relsigdest" nocache ||
error 1 NOGETRELSIG "Failed getting release signature file %s" \
"$m1/dists/$SUITE/Release.gpg"
progress 50 100 DOWNRELSIG "Downloading Release file signature"
fi
info RELEASESIG "Checking Release signature"
# Don't worry about the exit status from gpgv; parsing the output will
# take care of that.
(gpgv --status-fd 1 --keyring "$KEYRING" --ignore-time-conflict \
"$relsigdest" "$reldest" || true) | read_gpg_status
progress 100 100 DOWNRELSIG "Downloading Release file signature"
fi
}
download_release_indices () {
local m1="${MIRRORS%% *}"
local inreldest="$TARGET/$($DLDEST rel "$SUITE" "$m1" "dists/$SUITE/InRelease")"
local reldest="$TARGET/$($DLDEST rel "$SUITE" "$m1" "dists/$SUITE/Release")"
local relsigdest="$TARGET/$($DLDEST rel "$SUITE" "$m1" "dists/$SUITE/Release.gpg")"
download_release_sig "$m1" "$inreldest" "$reldest" "$relsigdest"
validate_suite "$reldest"
extract_release_components $reldest
local totalpkgs=0
for c in $COMPONENTS; do
local subpath="$c/binary-$ARCH/Packages"
local xzi="`get_release_checksum "$reldest" "$subpath.xz"`"
local bz2i="`get_release_checksum "$reldest" "$subpath.bz2"`"
local gzi="`get_release_checksum "$reldest" "$subpath.gz"`"
local normi="`get_release_checksum "$reldest" "$subpath"`"
local i=
if [ "$normi" != "" ]; then
i="$normi"
elif in_path bunzip2 && [ "$bz2i" != "" ]; then
i="$bz2i"
elif in_path unxz && [ "$xzi" != "" ]; then
i="$xzi"
elif in_path gunzip && [ "$gzi" != "" ]; then
i="$gzi"
fi
if [ "$i" != "" ]; then
totalpkgs="$(( $totalpkgs + ${i#* } ))"
else
mv "$reldest" "$reldest.malformed"
error 1 MISSINGRELENTRY "Invalid Release file, no entry for %s" "$subpath"
fi
done
local donepkgs=0
local pkgdest
progress 0 $totalpkgs DOWNPKGS "Downloading Packages files"
for c in $COMPONENTS; do
local subpath="$c/binary-$ARCH/Packages"
local path="dists/$SUITE/$subpath"
local xzi="`get_release_checksum "$reldest" "$subpath.xz"`"
local bz2i="`get_release_checksum "$reldest" "$subpath.bz2"`"
local gzi="`get_release_checksum "$reldest" "$subpath.gz"`"
local normi="`get_release_checksum "$reldest" "$subpath"`"
local ext=
local i=
if [ "$normi" != "" ]; then
ext="$ext $normi ."
i="$normi"
fi
if in_path unxz && [ "$xzi" != "" ]; then
ext="$ext $xzi xz"
i="${i:-$xzi}"
fi
if in_path bunzip2 && [ "$bz2i" != "" ]; then
ext="$ext $bz2i bz2"
i="${i:-$bz2i}"
fi
if in_path gunzip && [ "$gzi" != "" ]; then
ext="$ext $gzi gz"
i="${i:-$gzi}"
fi
progress_next "$(($donepkgs + ${i#* }))"
for m in $MIRRORS; do
pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m" "$path")"
if get "$m/$path" "$pkgdest" $ext; then break; fi
done
if [ ! -f "$pkgdest" ]; then
error 1 COULDNTDL "Couldn't download %s" "$path"
fi
donepkgs="$(($donepkgs + ${i#* }))"
progress $donepkgs $totalpkgs DOWNPKGS "Downloading Packages files"
done
}
get_package_sizes () {
# mirror pkgdest debs..
local m="$1"; shift
local pkgdest="$1"; shift
$PKGDETAILS PKGS "$m" "$pkgdest" "$@" | (
newleft=""
totaldebs=0
countdebs=0
while read p details; do
if [ "$details" = "-" ]; then
newleft="$newleft $p"
else
size="${details##* }";
totaldebs="$(($totaldebs + $size))"
countdebs="$(($countdebs + 1))"
fi
done
echo "$countdebs $totaldebs$newleft"
)
}
# note, leftovers come back on fd5 !!
download_debs () {
local m="$1"
local pkgdest="$2"
shift; shift
$PKGDETAILS PKGS "$m" "$pkgdest" "$@" | (
leftover=""
while read p ver arc mdup fil checksum size; do
if [ "$ver" = "-" ]; then
leftover="$leftover $p"
else
progress_next "$(($dloaddebs + $size))"
local debdest="$($DLDEST deb "$p" "$ver" "$arc" "$m" "$fil")"
if get "$m/$fil" "$TARGET/$debdest" "$checksum" "$size"; then
dloaddebs="$(($dloaddebs + $size))"
echo >>$TARGET/debootstrap/deburis "$p $ver $m/$fil"
echo >>$TARGET/debootstrap/debpaths "$p $debdest"
else
warning COULDNTDL "Couldn't download package %s (ver %s arch %s)" "$p" "$ver" "$arc"
leftover="$leftover $p"
fi
fi
done
echo >&5 ${leftover# }
)
}
download_release () {
local m1="${MIRRORS%% *}"
local numdebs="$#"
local countdebs=0
progress $countdebs $numdebs SIZEDEBS "Finding package sizes"
local totaldebs=0
local leftoverdebs="$*"
# Fix possible duplicate package names, which would screw up counts:
leftoverdebs=$(printf "$leftoverdebs"|tr ' ' '\n'|sort -u|tr '\n' ' ')
numdebs=$(printf "$leftoverdebs"|wc -w)
for c in $COMPONENTS; do
if [ "$countdebs" -ge "$numdebs" ]; then break; fi
local path="dists/$SUITE/$c/binary-$ARCH/Packages"
local pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m1" "$path")"
if [ ! -e "$pkgdest" ]; then continue; fi
info CHECKINGSIZES "Checking component %s on %s..." "$c" "$m1"
leftoverdebs="$(get_package_sizes "$m1" "$pkgdest" $leftoverdebs)"
countdebs=$(($countdebs + ${leftoverdebs%% *}))
leftoverdebs=${leftoverdebs#* }
totaldebs=${leftoverdebs%% *}
leftoverdebs=${leftoverdebs#* }
progress $countdebs $numdebs SIZEDEBS "Finding package sizes"
done
if [ "$countdebs" -ne "$numdebs" ]; then
error 1 LEFTOVERDEBS "Couldn't find these debs: %s" "$leftoverdebs"
fi
local dloaddebs=0
progress $dloaddebs $totaldebs DOWNDEBS "Downloading packages"
:>$TARGET/debootstrap/debpaths
pkgs_to_get="$*"
for c in $COMPONENTS; do
local path="dists/$SUITE/$c/binary-$ARCH/Packages"
for m in $MIRRORS; do
local pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m" "$path")"
if [ ! -e "$pkgdest" ]; then continue; fi
pkgs_to_get="$(download_debs "$m" "$pkgdest" $pkgs_to_get 5>&1 1>&6)"
if [ -z "$pkgs_to_get" ]; then break; fi
done 6>&1
if [ -z "$pkgs_to_get" ]; then break; fi
done
progress $dloaddebs $totaldebs DOWNDEBS "Downloading packages"
if [ "$pkgs_to_get" != "" ]; then
error 1 COULDNTDLPKGS "Couldn't download packages: %s" "$pkgs_to_get"
fi
}
download_main_indices () {
local m1="${MIRRORS%% *}"
local comp="${USE_COMPONENTS}"
progress 0 100 DOWNMAINPKGS "Downloading Packages file"
progress_next 100
if [ -z "$comp" ]; then comp=main; fi
COMPONENTS="$(echo $comp | tr '|' ' ')"
export COMPONENTS
for m in $MIRRORS; do
for c in $COMPONENTS; do
local path="dists/$SUITE/$c/binary-$ARCH/Packages"
local pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m" "$path")"
if in_path gunzip && get "$m/${path}.gz" "${pkgdest}.gz"; then
rm -f "$pkgdest"
gunzip "$pkgdest.gz"
elif get "$m/$path" "$pkgdest"; then
true
fi
done
done
progress 100 100 DOWNMAINPKGS "Downloading Packages file"
}
download_main () {
local m1="${MIRRORS%% *}"
:>$TARGET/debootstrap/debpaths
for p in "$@"; do
for c in $COMPONENTS; do
local details=""
for m in $MIRRORS; do
local path="dists/$SUITE/$c/binary-$ARCH/Packages"
local pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m" "$path")"
if [ ! -e "$pkgdest" ]; then continue; fi
details="$($PKGDETAILS PKGS "$m" "$pkgdest" "$p")"
if [ "$details" = "$p -" ]; then
details=""
continue
fi
size="${details##* }"; details="${details% *}"
checksum="${details##* }"; details="${details% *}"
local debdest="$($DLDEST deb $details)"
if get "$m/${details##* }" "$TARGET/$debdest" "$checksum" "$size"; then
echo >>$TARGET/debootstrap/debpaths "$p $debdest"
details="done"
break
fi
done
if [ "$details" != "" ]; then
break
fi
done
if [ "$details" != "done" ]; then
error 1 COULDNTDL "Couldn't download %s" "$p"
fi
done
}
###################################################### deb choosing support
get_debs () {
local field="$1"
shift
local m1 c
for m1 in $MIRRORS; do
for c in $COMPONENTS; do
local path="dists/$SUITE/$c/binary-$ARCH/Packages"
local pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m1" "$path")"
echo $("$PKGDETAILS" FIELD "$field" "$m1" "$pkgdest" "$@" | sed 's/ .*//')
done
done
}
################################################################ extraction
EXTRACTORS_SUPPORTED="dpkg-deb ar"
EXTRACT_DEB_TAR_OPTIONS=
# Native dpkg-deb based extractors
extract_dpkg_deb_field () {
local pkg="$1"
local field="$2"
dpkg-deb -f "$pkg" "$field"
}
extract_dpkg_deb_data () {
local pkg="$1"
dpkg-deb --fsys-tarfile "$pkg" | tar $EXTRACT_DEB_TAR_OPTIONS -xf -
}
# Raw .deb extractors
extract_ar_deb_field () {
local pkg="$1"
local field="$2"
local tarball=$(ar -t "$pkg" | grep "^control\.tar")
case "$tarball" in
control.tar.gz) cat_cmd=zcat ;;
control.tar.xz) cat_cmd=xzcat ;;
control.tar) cat_cmd=cat ;;
*) error 1 UNKNOWNCONTROLCOMP "Unknown compression type for %s in %s" "$tarball" "$pkg" ;;
esac
if type $cat_cmd >/dev/null 2>&1; then
ar -p "$pkg" "$tarball" | $cat_cmd |
tar -O -xf - control ./control 2>/dev/null |
grep -i "^$field:" | sed -e 's/[^:]*: *//' | head -n 1
else
error 1 UNPACKCMDUNVL "Extracting %s requires the %s command, which is not available" "$pkg" "$cat_cmd"
fi
}
extract_ar_deb_data () {
local pkg="$1"
local tarball=$(ar -t "$pkg" | grep "^data.tar")
case "$tarball" in
data.tar.gz) cat_cmd=zcat ;;
data.tar.bz2) cat_cmd=bzcat ;;
data.tar.xz) cat_cmd=xzcat ;;
data.tar) cat_cmd=cat ;;
*) error 1 UNKNOWNDATACOMP "Unknown compression type for %s in %s" "$tarball" "$pkg" ;;
esac
if type $cat_cmd >/dev/null 2>&1; then
ar -p "$pkg" "$tarball" | $cat_cmd | tar $EXTRACT_DEB_TAR_OPTIONS -xf -
else
error 1 UNPACKCMDUNVL "Extracting %s requires the %s command, which is not available" "$pkg" "$cat_cmd"
fi
}
valid_extractor () {
local extractor="$1"
for E in $EXTRACTORS_SUPPORTED; do
if [ "$extractor" = "$E" ]; then
return 0
fi
done
return 1
}
choose_extractor () {
local extractor
if [ -n "$EXTRACTOR_OVERRIDE" ]; then
extractor="$EXTRACTOR_OVERRIDE"
elif type dpkg-deb >/dev/null 2>&1; then
extractor="dpkg-deb"
else
extractor="ar"
fi
info CHOSENEXTRACTOR "Chosen extractor for .deb packages: %s" "$extractor"
case "$extractor" in
dpkg-deb)
extract_deb_field () { extract_dpkg_deb_field "$@"; }
extract_deb_data () { extract_dpkg_deb_data "$@"; }
;;
ar)
extract_deb_field () { extract_ar_deb_field "$@"; }
extract_deb_data () { extract_ar_deb_data "$@"; }
;;
esac
}
extract () { (
cd "$TARGET"
local p=0 cat_cmd
for pkg in $(debfor "$@"); do
p="$(($p + 1))"
progress "$p" "$#" EXTRACTPKGS "Extracting packages"
packagename="$(echo "$pkg" | sed 's,^.*/,,;s,_.*$,,')"
info EXTRACTING "Extracting %s..." "$packagename"
extract_deb_data "./$pkg"
done
); }
in_target_nofail () {
if ! $CHROOT_CMD "$@" 2>/dev/null; then
true
fi
return 0
}
in_target_failmsg () {
local code="$1"
local msg="$2"
local arg="$3"
shift; shift; shift
if ! $CHROOT_CMD "$@"; then
warning "$code" "$msg" "$arg"
# Try to point user at actual failing package.
msg="See %s for details"
if [ -e "$TARGET/debootstrap/debootstrap.log" ]; then
arg="$TARGET/debootstrap/debootstrap.log"
local pkg="$(grep '^dpkg: error processing ' "$TARGET/debootstrap/debootstrap.log" | head -n 1 | sed 's/\(error processing \)\(package \|archive \)/\1/' | cut -d ' ' -f 4)"
if [ -n "$pkg" ]; then
msg="$msg (possibly the package $pkg is at fault)"
fi
else
arg="the log"
fi
warning "$code" "$msg" "$arg"
return 1
fi
return 0
}
in_target () {
in_target_failmsg IN_TARGET_FAIL "Failure trying to run: %s" "$CHROOT_CMD $*" "$@"
}
###################################################### standard setup stuff
conditional_cp () {
if [ ! -e "$2/$1" ]; then
if [ -L "$1" ] && [ -e "$1" ]; then
cat "$1" >"$2/$1"
elif [ -e "$1" ]; then
cp -a "$1" "$2/$1"
fi
fi
}
mv_invalid_to () {
local m="$1"
m="$(echo "${m#http://}" | tr '/' '_' | sed 's/_*//')"
(cd "$TARGET/$APTSTATE/lists"
for a in debootstrap.invalid_*; do
mv "$a" "${m}_${a#*_}"
done
)
}
setup_apt_sources () {
mkdir -p "$TARGET/etc/apt"
# Cope with the foreign case where COMPONENTS would be empty:
sources_components="${COMPONENTS:-$USE_COMPONENTS}"
for m in "$@"; do
local cs=""
for c in $sources_components; do
local path="dists/$SUITE/$c/binary-$ARCH/Packages"
local pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m" "$path")"
if [ -e "$pkgdest" ]; then cs="$cs $c"; fi
done
if [ "$cs" != "" ]; then echo "deb $m $SUITE$cs"; fi
done > "$TARGET/etc/apt/sources.list"
}
setup_etc () {
mkdir -p "$TARGET/etc"
conditional_cp /etc/resolv.conf "$TARGET"
conditional_cp /etc/hostname "$TARGET"
if [ "$DLDEST" = apt_dest ] && [ ! -e "$TARGET/etc/apt/sources.list" ]; then
setup_apt_sources "http://debootstrap.invalid/"
fi
}
UMOUNT_DIRS=
umount_exit_function () {
local realdir
for dir in $UMOUNT_DIRS; do
realdir="$(in_target_nofail readlink -f "$dir")"
[ "$realdir" ] || continue
( cd / ; umount "$TARGET/${realdir#/}" ) || true
done
}
umount_on_exit () {
if [ "$UMOUNT_DIRS" ]; then
UMOUNT_DIRS="$UMOUNT_DIRS $1"
else
UMOUNT_DIRS="$1"
on_exit umount_exit_function
fi
}
clear_mtab () {
if [ -f "$TARGET/etc/mtab" ] && [ ! -h "$TARGET/etc/mtab" ]; then
rm -f "$TARGET/etc/mtab"
fi
}
setup_proc () {
case "$HOST_OS" in
*freebsd*)
umount_on_exit /dev
umount_on_exit /proc
umount "$TARGET/proc" 2>/dev/null || true
if [ "$HOST_OS" = kfreebsd ]; then
in_target mount -t linprocfs proc /proc
else
mount -t linprocfs proc $TARGET/proc
fi
;;
hurd*)
# firmlink $TARGET/{dev,servers,proc} to the system ones.
settrans -a "$TARGET/dev" /hurd/firmlink /dev
settrans -a "$TARGET/servers" /hurd/firmlink /servers
settrans -a "$TARGET/proc" /hurd/firmlink /proc
;;
*)
umount_on_exit /dev/pts
umount_on_exit /dev/shm
umount_on_exit /proc/bus/usb
umount_on_exit /proc
umount "$TARGET/proc" 2>/dev/null || true
in_target mount -t proc proc /proc
if [ -d "$TARGET/sys" ] && \
grep -q '[[:space:]]sysfs' /proc/filesystems 2>/dev/null; then
umount_on_exit /sys
umount "$TARGET/sys" 2>/dev/null || true
in_target mount -t sysfs sysfs /sys
fi
on_exit clear_mtab
;;
esac
umount_on_exit /lib/init/rw
}
setup_proc_fakechroot () {
rm -rf "$TARGET/proc"
ln -s /proc "$TARGET"
}
# create the static device nodes
setup_devices () {
if doing_variant fakechroot; then
setup_devices_fakechroot
return 0
fi
case "$HOST_OS" in
kfreebsd*)
;;
freebsd)
;;
hurd*)
;;
*)
setup_devices_simple
;;
esac
}
# enable the dynamic device nodes
setup_dynamic_devices () {
if doing_variant fakechroot; then
return 0
fi
case "$HOST_OS" in
kfreebsd*)
in_target mount -t devfs devfs /dev ;;
freebsd)
mount -t devfs devfs $TARGET/dev ;;
hurd*)
# Use the setup-translators of the hurd package
in_target /usr/lib/hurd/setup-translators -k ;;
esac
}
setup_devices_simple () {
# The list of devices that can be created in a container comes from
# src/core/cgroup.c in the systemd source tree.
mknod -m 666 $TARGET/dev/null c 1 3
mknod -m 666 $TARGET/dev/zero c 1 5
mknod -m 666 $TARGET/dev/full c 1 7
mknod -m 666 $TARGET/dev/random c 1 8
mknod -m 666 $TARGET/dev/urandom c 1 9
mknod -m 666 $TARGET/dev/tty c 5 0
mkdir $TARGET/dev/pts/ $TARGET/dev/shm/
ln -s pts/ptmx $TARGET/dev/ptmx
ln -s /proc/self/fd $TARGET/dev/fd
ln -s /proc/self/fd/0 $TARGET/dev/stdin
ln -s /proc/self/fd/1 $TARGET/dev/stdout
ln -s /proc/self/fd/2 $TARGET/dev/stderr
}
setup_devices_fakechroot () {
rm -rf "$TARGET/dev"
ln -s /dev "$TARGET"
}
setup_dselect_method () {
case "$1" in
apt)
mkdir -p "$TARGET/var/lib/dpkg"
echo "apt apt" > "$TARGET/var/lib/dpkg/cmethopt"
chmod 644 "$TARGET/var/lib/dpkg/cmethopt"
;;
*)
error 1 UNKNOWNDSELECT "unknown dselect method"
;;
esac
}
# Find out where the runtime dynamic linker and the shared libraries
# can be installed on each architecture: native, multilib and multiarch.
# This data can be verified by checking the files in the debian/sysdeps/
# directory of the glibc package.
#
# This function must be updated to support any new architecture which
# either installs the RTLD in a directory different from /lib or builds
# multilib library packages.
setup_merged_usr() {
if [ "$MERGED_USR" = "no" ]; then return 0; fi
local link_dir
case $ARCH in
hurd-*) return 0 ;;
amd64) link_dir="lib32 lib64 libx32" ;;
i386) link_dir="lib64 libx32" ;;
mips|mipsel)
link_dir="lib32 lib64" ;;
mips64*|mipsn32*)
link_dir="lib32 lib64 libo32" ;;
powerpc) link_dir="lib64" ;;
ppc64) link_dir="lib32 lib64" ;;
ppc64el) link_dir="lib64" ;;
s390x) link_dir="lib32" ;;
sparc) link_dir="lib64" ;;
sparc64) link_dir="lib32 lib64" ;;
x32) link_dir="lib32 lib64 libx32" ;;
esac
link_dir="bin sbin lib $link_dir"
local dir
for dir in $link_dir; do
ln -s usr/$dir $TARGET/$dir
mkdir -p $TARGET/usr/$dir
done
}
################################################################ pkgdetails
# NOTE
# For the debootstrap udeb, pkgdetails is provided by the bootstrap-base
# udeb, so the pkgdetails API needs to be kept in sync with that.
if in_path perl; then
PKGDETAILS=pkgdetails_perl
pkgdetails_field () {
# uniq field mirror Packages values...
perl -le '
$unique = shift @ARGV; $field = lc(shift @ARGV); $mirror = shift @ARGV;
%fields = map { $_, 0 } @ARGV;
$prevpkg = "";
while (<STDIN>) {
chomp;
next if (/^ /);
if (/^([^:]*:)\s*(.*)$/) {
$f = lc($1); $v = $2;
if ($f eq "package:") {
$last = 0;
$pkg = $v;
if ($pkg ne $prevpkg) {
print $output if defined $output;
if ($unique && defined $output_val) {
delete $fields{$output_val};
$last = 1 unless keys %fields;
}
$prevpkg = $pkg;
}
undef $output;
undef $output_val;
last if $last;
}
$ver = $v if ($f eq "version:");
$arc = $v if ($f eq "architecture:");
$fil = $v if ($f eq "filename:");
$chk = $v if (lc $f eq lc($ENV{DEBOOTSTRAP_CHECKSUM_FIELD}).":");
$siz = $v if ($f eq "size:");
$val = $v if ($f eq $field);
} elsif (/^$/) {
if (defined $val && defined $fields{$val}) {
$output = sprintf "%s %s %s %s %s %s %s",
$pkg, $ver, $arc, $mirror, $fil, $chk, $siz;
$output_val = $val;
}
undef $val;
}
}
print $output if defined $output;
delete $fields{$output_val} if $unique && defined $output_val;
for $v (keys %fields) {
printf ("%s -\n", $v) if ($unique);
}
' "$@"
}
pkgdetails_perl () {
if [ "$1" = "WGET%" ]; then
shift;
perl -e '
$v = 0;
$allow_percentage = 0;
while (read STDIN, $x, 1) {
if ($x =~ m/\s/) {
$allow_percentage = 1;
} elsif ($allow_percentage and $x =~ m/\d/) {
$v *= 10;
$v += $x;
} elsif ($allow_percentage and $x eq "%") {
printf "P: %d %d%s\n", int($v / 100.0 * ($ARGV[1] - $ARGV[0]) + $ARGV[0]), $ARGV[2], ($#ARGV == 3 ? " $ARGV[3]" : "");
$v = 0;
} else {
$v = 0;
$allow_percentage = 0;
}
}' "$@"
elif [ "$1" = "GETDEPS" ]; then
local pkgdest="$2"; shift; shift
perl -e '
$prevpkg = "";
@d = ();
my %exclude;
$exclude{$_} = 1 for split(" ", $ENV{"EXCLUDE"});
while (<STDIN>) {
chomp;
if (/^Package: (.*)$/) {
$pkg = $1;
if ($pkg ne $prevpkg) {
for my $d (@d) {
print "$d\n";
}
}
$prevpkg = $1;
@d = ();
}
$in = 1 if (grep {$_ eq $pkg} @ARGV);
$in = 0 if (/^$/);
if ($in and (/^Depends: (.*)$/ or /^Pre-Depends: (.*)$/)) {
for $d (split /\s*,\s*/, $1) {
for $p (split /\s*\|\s*/, $d) {
$p =~ s/\s*[(].*[)]\s*//;
if (!$exclude{$p}) {
push @d, $p;
last;
}
}
}
}
}
for my $d (@d) {
print "$d\n";
}' <"$pkgdest" "$@" | sort | uniq
elif [ "$1" = "PKGS" ]; then
local m="$2"
local p="$3"
shift; shift; shift
pkgdetails_field 1 Package: "$m" "$@" < "$p"
elif [ "$1" = "FIELD" ]; then
local f="$2"
local m="$3"
local p="$4"
shift; shift; shift; shift
pkgdetails_field 0 "$f" "$m" "$@" < "$p"
elif [ "$1" = "STANZAS" ]; then
local pkgdest="$2"; shift; shift
perl -e '
my $accum = "";
while (<STDIN>) {
$accum .= $_;
$in = 1 if (/^Package: (.*)$/ && grep {$_ eq $1} @ARGV);
if ($in and /^$/) {
print $accum;
if (substr($accum, -1) != "\n") {
print "\n\n";
} elsif (substr($accum, -2, 1) != "\n") {
print "\n";
}
$in = 0;
}
$accum = "" if /^$/;
}' <"$pkgdest" "$@"
fi
}
elif [ -e "/usr/lib/debootstrap/pkgdetails" ]; then
PKGDETAILS="/usr/lib/debootstrap/pkgdetails"
elif [ -e "$DEBOOTSTRAP_DIR/pkgdetails" ]; then
PKGDETAILS="$DEBOOTSTRAP_DIR/pkgdetails"
else
PKGDETAILS=""
fi
##################################################### dependency resolution
resolve_deps () {
local m1="${MIRRORS%% *}"
local PKGS="$*"
local ALLPKGS="$PKGS";
local ALLPKGS2="";
while [ "$PKGS" != "" ]; do
local NEWPKGS=""
for c in ${COMPONENTS:-$USE_COMPONENTS}; do
local path="dists/$SUITE/$c/binary-$ARCH/Packages"
local pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m1" "$path")"
NEWPKGS="$NEWPKGS $("$PKGDETAILS" GETDEPS "$pkgdest" $PKGS)"
done
PKGS=$(echo "$PKGS $NEWPKGS" | tr ' ' '\n' | sort | uniq)
local REALPKGS=""
for c in ${COMPONENTS:-$USE_COMPONENTS}; do
local path="dists/$SUITE/$c/binary-$ARCH/Packages"
local pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m1" "$path")"
REALPKGS="$REALPKGS $("$PKGDETAILS" PKGS REAL "$pkgdest" $PKGS | sed -n 's/ .*REAL.*$//p')"
done
PKGS="$REALPKGS"
ALLPKGS2=$(echo "$PKGS $ALLPKGS" | tr ' ' '\n' | sort | uniq)
PKGS=$(without "$ALLPKGS2" "$ALLPKGS")
ALLPKGS="$ALLPKGS2"
done
echo $ALLPKGS
}
setup_available () {
local m1="${MIRRORS%% *}"
for c in ${COMPONENTS:-$USE_COMPONENTS}; do
local path="dists/$SUITE/$c/binary-$ARCH/Packages"
local pkgdest="$TARGET/$($DLDEST pkg "$SUITE" "$c" "$ARCH" "$m1" "$path")"
# XXX: What if a package is in more than one component?
# -- cjwatson 2009-07-29
"$PKGDETAILS" STANZAS "$pkgdest" "$@"
done >"$TARGET/var/lib/dpkg/available"
for pkg; do
echo "$pkg install"
done | in_target dpkg --set-selections
}
get_next_predep () {
local stanza="$(in_target_nofail dpkg --predep-package)"
[ "$stanza" ] || return 1
echo "$stanza" | grep '^Package:' | sed 's/^Package://; s/^ *//'
}
################################################################### helpers
# Return zero if it is possible to create devices and execute programs in
# this directory. (Both may be forbidden by mount options, e.g. nodev and
# noexec respectively.)
check_sane_mount () {
mkdir -p "$1"
case "$HOST_OS" in
*freebsd*|hurd*)
;;
*)
mknod "$1/test-dev-null" c 1 3 || return 1
if ! echo test > "$1/test-dev-null"; then
rm -f "$1/test-dev-null"
return 1
fi
rm -f "$1/test-dev-null"
;;
esac
SH=/bin/sh
[ -x $SH ] || SH=`which sh`
cat > "$1/test-exec" <<EOF
#! $SH
:
EOF
chmod +x "$1/test-exec"
if ! "$1/test-exec"; then
rm -f "$1/test-exec"
return 1
fi
rm -f "$1/test-exec"
return 0
}
read_gpg_status () {
badsig=
unkkey=
validsig=
while read prefix keyword keyid rest; do
[ "$prefix" = '[GNUPG:]' ] || continue
case $keyword in
BADSIG) badsig="$keyid" ;;
NO_PUBKEY) unkkey="$keyid" ;;
VALIDSIG) validsig="$keyid" ;;
esac
done
if [ "$validsig" ]; then
info VALIDRELSIG "Valid Release signature (key id %s)" "$validsig"
elif [ "$badsig" ]; then
error 1 BADRELSIG "Invalid Release signature (key id %s)" "$badsig"
elif [ "$unkkey" ]; then
error 1 UNKNOWNRELSIG "Release signed by unknown key (key id %s)" "$unkkey"
else
error 1 SIGCHECK "Error executing gpgv to check Release signature"
fi
}
without () {
# usage: without "a b c" "a d" -> "b" "c"
(echo $1 | tr ' ' '\n' | sort | uniq;
echo $2 $2 | tr ' ' '\n') | sort | uniq -u | tr '\n' ' '
echo
}
# Formerly called 'repeat', but that's a reserved word in zsh.
repeatn () {
local n="$1"
shift
while [ "$n" -gt 0 ]; do
if "$@"; then
break
else
n="$(( $n - 1 ))"
sleep 1
fi
done
if [ "$n" -eq 0 ]; then return 1; fi
return 0
}
N_EXIT_THINGS=0
exit_function () {
local n=0
while [ "$n" -lt "$N_EXIT_THINGS" ]; do
(eval $(eval echo \${EXIT_THING_$n}) 2>/dev/null || true)
n="$(( $n + 1 ))"
done
N_EXIT_THINGS=0
}
trap "exit_function" 0
trap "exit 129" 1
trap "error 130 INTERRUPTED \"Interrupt caught ... exiting\"" 2
trap "exit 131" 3
trap "exit 143" 15
on_exit () {
eval `echo EXIT_THING_${N_EXIT_THINGS}=\"$1\"`
N_EXIT_THINGS="$(( $N_EXIT_THINGS + 1 ))"
}
############################################################## fakechroot tools
install_fakechroot_tools () {
if [ "$VARIANT" = "fakechroot" ]; then
export PATH=/usr/sbin:/sbin:$PATH
fi
mv "$TARGET/sbin/ldconfig" "$TARGET/sbin/ldconfig.REAL"
echo \
"#!/bin/sh
echo
echo \"Warning: Fake ldconfig called, doing nothing\"" > "$TARGET/sbin/ldconfig"
chmod 755 "$TARGET/sbin/ldconfig"
echo \
"/sbin/ldconfig
/sbin/ldconfig.REAL
fakechroot" >> "$TARGET/var/lib/dpkg/diversions"
mv "$TARGET/usr/bin/ldd" "$TARGET/usr/bin/ldd.REAL"
cat << 'END' > "$TARGET/usr/bin/ldd"
#!/usr/bin/perl
# fakeldd
#
# Replacement for ldd with usage of objdump
#
# (c) 2003-2005 Piotr Roszatycki <dexter@debian.org>, BSD
my %libs = ();
my $status = 0;
my $dynamic = 0;
my $biarch = 0;
my $ldlinuxsodir = "/lib";
my @ld_library_path = qw(/usr/lib /lib);
sub ldso($) {
my ($lib) = @_;
my @files = ();
if ($lib =~ /^\//) {
$libs{$lib} = $lib;
push @files, $lib;
} else {
foreach my $ld_path (@ld_library_path) {
next unless -f "$ld_path/$lib";
my $badformat = 0;
open OBJDUMP, "objdump -p $ld_path/$lib 2>/dev/null |";
while (my $line = <OBJDUMP>) {
if ($line =~ /file format (\S*)$/) {
$badformat = 1 unless $format eq $1;
last;
}
}
close OBJDUMP;
next if $badformat;
$libs{$lib} = "$ld_path/$lib";
push @files, "$ld_path/$lib";
}
objdump(@files);
}
}
sub objdump(@) {
my (@files) = @_;
my @libs = ();
foreach my $file (@files) {
open OBJDUMP, "objdump -p $file 2>/dev/null |";
while (my $line = <OBJDUMP>) {
$line =~ s/^\s+//;
my @f = split (/\s+/, $line);
if ($line =~ /file format (\S*)$/) {
if (not $format) {
$format = $1;
if ($unamearch eq "x86_64" and $format eq "elf32-i386") {
my $link = readlink "/lib/ld-linux.so.2";
if ($link =~ /^\/emul\/ia32-linux\//) {
$ld_library_path[-2] = "/emul/ia32-linux/usr/lib";
$ld_library_path[-1] = "/emul/ia32-linux/lib";
}
} elsif ($unamearch =~ /^(sparc|sparc64)$/ and $format eq "elf64-sparc") {
$ldlinuxsodir = "/lib64";
$ld_library_path[-2] = "/usr/lib64";
$ld_library_path[-1] = "/lib64";
}
} else {
next unless $format eq $1;
}
}
if (not $dynamic and $f[0] eq "Dynamic") {
$dynamic = 1;
}
next unless $f[0] eq "NEEDED";
if ($f[1] =~ /^ld-linux(\.|-)/) {
$f[1] = "$ldlinuxsodir/" . $f[1];
}
if (not defined $libs{$f[1]}) {
$libs{$f[1]} = undef;
push @libs, $f[1];
}
}
close OBJDUMP;
}
foreach my $lib (@libs) {
ldso($lib);
}
}
if ($#ARGV < 0) {
print STDERR "fakeldd: missing file arguments\n";
exit 1;
}
while ($ARGV[0] =~ /^-/) {
my $arg = $ARGV[0];
shift @ARGV;
last if $arg eq "--";
}
open LD_SO_CONF, "/etc/ld.so.conf";
while ($line = <LD_SO_CONF>) {
chomp $line;
unshift @ld_library_path, $line;
}
close LD_SO_CONF;
unshift @ld_library_path, split(/:/, $ENV{LD_LIBRARY_PATH});
$unamearch = `/bin/uname -m`;
chomp $unamearch;
foreach my $file (@ARGV) {
my $address;
%libs = ();
$dynamic = 0;
if ($#ARGV > 0) {
print "$file:\n";
}
if (not -f $file) {
print STDERR "ldd: $file: No such file or directory\n";
$status = 1;
next;
}
objdump($file);
if ($dynamic == 0) {
print "\tnot a dynamic executable\n";
$status = 1;
} elsif (scalar %libs eq "0") {
print "\tstatically linked\n";
}
if ($format =~ /^elf64-/) {
$address = "0x0000000000000000";
} else {
$address = "0x00000000";
}
foreach $lib (keys %libs) {
if ($libs{$lib}) {
printf "\t%s => %s (%s)\n", $lib, $libs{$lib}, $address;
} else {
printf "\t%s => not found\n", $lib;
}
}
}
exit $status;
END
chmod 755 "$TARGET/usr/bin/ldd"
echo \
"/usr/bin/ldd
/usr/bin/ldd.REAL
fakechroot" >> "$TARGET/var/lib/dpkg/diversions"
}