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Editing: apt-key

#!/bin/sh

set -e
unset GREP_OPTIONS GPGHOMEDIR CURRENTTRAP
export IFS="$(printf "\n\b")"

MASTER_KEYRING='/usr/share/keyrings/ubuntu-master-keyring.gpg'
eval "$(apt-config shell MASTER_KEYRING APT::Key::MasterKeyring)"
ARCHIVE_KEYRING='/usr/share/keyrings/ubuntu-archive-keyring.gpg'
eval "$(apt-config shell ARCHIVE_KEYRING APT::Key::ArchiveKeyring)"
REMOVED_KEYS='/usr/share/keyrings/ubuntu-archive-removed-keys.gpg'
eval "$(apt-config shell REMOVED_KEYS APT::Key::RemovedKeys)"
ARCHIVE_KEYRING_URI='http://archive.ubuntu.com/ubuntu/project/ubuntu-archive-keyring.gpg'
eval "$(apt-config shell ARCHIVE_KEYRING_URI APT::Key::ArchiveKeyringURI)"

aptkey_echo() { echo "$@"; }

find_gpgv_status_fd() {
   while [ -n "$1" ]; do
	if [ "$1" = '--status-fd' ]; then
		shift
		echo "$1"
		break
	fi
	shift
   done
}
GPGSTATUSFD="$(find_gpgv_status_fd "$@")"

apt_warn() {
    if [ -z "$GPGHOMEDIR" ]; then
	echo >&2 'W:' "$@"
    else
	echo 'W:' "$@" > "${GPGHOMEDIR}/aptwarnings.log"
    fi
    if [ -n "$GPGSTATUSFD" ]; then
	echo >&${GPGSTATUSFD} '[APTKEY:] WARNING' "$@"
    fi
}
apt_error() {
    if [ -z "$GPGHOMEDIR" ]; then
	echo >&2 'E:' "$@"
    else
	echo 'E:' "$@" > "${GPGHOMEDIR}/aptwarnings.log"
    fi
    if [ -n "$GPGSTATUSFD" ]; then
	echo >&${GPGSTATUSFD} '[APTKEY:] ERROR' "$@"
    fi
}

cleanup_gpg_home() {
    if [ -z "$GPGHOMEDIR" ]; then return; fi
    if [ -s "$GPGHOMEDIR/aptwarnings.log" ]; then
	cat >&2 "$GPGHOMEDIR/aptwarnings.log"
    fi
    if command_available 'gpgconf'; then
	GNUPGHOME="${GPGHOMEDIR}" gpgconf --kill all >/dev/null 2>&1 || true
    fi
    rm -rf "$GPGHOMEDIR"
}

# gpg needs (in different versions more or less) files to function correctly,
# so we give it its own homedir and generate some valid content for it later on
create_gpg_home() {
    # for cases in which we want to cache a homedir due to expensive setup
    if [ -n "$GPGHOMEDIR" ]; then
	return
    fi
    if [ -n "$TMPDIR" ]; then
	# tmpdir is a directory and current user has rwx access to it
	# same tests as in apt-pkg/contrib/fileutl.cc GetTempDir()
	if [ ! -d "$TMPDIR" ] || [ ! -r "$TMPDIR" ] || [ ! -w "$TMPDIR" ] || [ ! -x "$TMPDIR" ]; then
	    unset TMPDIR
	fi
    fi
    GPGHOMEDIR="$(mktemp --directory --tmpdir 'apt-key-gpghome.XXXXXXXXXX')"
    CURRENTTRAP="${CURRENTTRAP} cleanup_gpg_home;"
    trap "${CURRENTTRAP}" 0 HUP INT QUIT ILL ABRT FPE SEGV PIPE TERM
    if [ -z "$GPGHOMEDIR" ]; then
	apt_error "Could not create temporary gpg home directory in $TMPDIR (wrong permissions?)"
	exit 28
    fi
    chmod 700 "$GPGHOMEDIR"
}

requires_root() {
	if [ "$(id -u)" -ne 0 ]; then
		apt_error "This command can only be used by root."
		exit 1
	fi
}

command_available() {
    if [ -x "$1" ]; then return 0; fi
    # command -v "$1" >/dev/null 2>&1 # not required by policy, see #747320
    # which "$1" >/dev/null 2>&1 # is in debianutils (essential) but not on non-debian systems
    local OLDIFS="$IFS"
    IFS=:
    for p in $PATH; do
	if [ -x "${p}/${1}" ]; then
	    IFS="$OLDIFS"
	    return 0
	fi
    done
    IFS="$OLDIFS"
    return 1
}

escape_shell() {
    echo "$@" | sed -e "s#'#'\"'\"'#g"
}

get_fingerprints_of_keyring() {
    aptkey_execute "$GPG_SH" --keyring "$1" --with-colons --fingerprint | while read publine; do
	# search for a public key
	if [ "${publine%%:*}" != 'pub' ]; then continue; fi
	# search for the associated fingerprint (should be the very next line)
	while read fprline; do
	   if [ "${fprline%%:*}" = 'sub' ]; then break; # should never happen
	   elif [ "${fprline%%:*}" != 'fpr' ]; then continue; fi
	   echo "$fprline" | cut -d':' -f 10
	done
	# order in the keyring shouldn't be important
    done | sort
}

add_keys_with_verify_against_master_keyring() {
    ADD_KEYRING="$1"
    MASTER="$2"

if [ ! -f "$ADD_KEYRING" ]; then
	apt_error "Keyring '$ADD_KEYRING' to be added not found"
	return
    fi
    if [ ! -f "$MASTER" ]; then
	apt_error "Master-Keyring '$MASTER' not found"
	return
    fi

# when adding new keys, make sure that the archive-master-keyring
    # is honored. so:
    #   all keys that are exported must have a valid signature
    #   from a key in the $distro-master-keyring
    add_keys="$(get_fingerprints_of_keyring "$ADD_KEYRING")"
    all_add_keys="$(aptkey_execute "$GPG_SH" --keyring "$ADD_KEYRING" --with-colons --list-keys | grep ^[ps]ub | cut -d: -f5)"
    master_keys="$(aptkey_execute "$GPG_SH" --keyring "$MASTER" --with-colons --list-keys | grep ^pub | cut -d: -f5)"

# ensure there are no colisions LP: #857472
    for all_add_key in $all_add_keys; do
	for master_key in $master_keys; do
            if [ "$all_add_key" = "$master_key" ]; then
                echo >&2 "Keyid collision for '$all_add_key' detected, operation aborted"
                return 1
            fi
        done
    done

for add_key in $add_keys; do
        # export the add keyring one-by-one
	local TMP_KEYRING="${GPGHOMEDIR}/tmp-keyring.gpg"
	aptkey_execute "$GPG_SH" --batch --yes --keyring "$ADD_KEYRING" --output "$TMP_KEYRING" --export "$add_key"
	if ! aptkey_execute "$GPG_SH" --batch --yes --keyring "$TMP_KEYRING" --import "$MASTER" > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
	    cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
	    false
	fi
	# check if signed with the master key and only add in this case
	ADDED=0
	for master_key in $master_keys; do
	    if aptkey_execute "$GPG_SH" --keyring "$TMP_KEYRING" --check-sigs --with-colons "$add_key" \
	       | grep '^sig:!:' | cut -d: -f5 | grep -q "$master_key"; then
		aptkey_execute "$GPG_SH" --batch --yes --keyring "$ADD_KEYRING" --export "$add_key" \
		   | aptkey_execute "$GPG" --batch --yes --import
		ADDED=1
	    fi
	done
	if [ $ADDED = 0 ]; then
	    echo >&2 "Key '$add_key' not added. It is not signed with a master key"
	fi
	rm -f "${TMP_KEYRING}"
    done
}

# update the current archive signing keyring from a network URI
# the archive-keyring keys needs to be signed with the master key
# (otherwise it does not make sense from a security POV)
net_update() {
    local APT_DIR='/'
    eval $(apt-config shell APT_DIR Dir)

# Disabled for now as code is insecure (LP: #1013639 (and 857472, 1013128))
    APT_KEY_NET_UPDATE_ENABLED=""
    eval $(apt-config shell APT_KEY_NET_UPDATE_ENABLED APT::Key::Net-Update-Enabled)
    if [ -z "$APT_KEY_NET_UPDATE_ENABLED" ]; then
        exit 1
    fi

if [ -z "$ARCHIVE_KEYRING_URI" ]; then
	apt_error 'Your distribution is not supported in net-update as no uri for the archive-keyring is set'
	exit 1
    fi
    # in theory we would need to depend on wget for this, but this feature
    # isn't usable in debian anyway as we have no keyring uri nor a master key
    if ! command_available 'wget'; then
	apt_error 'wget is required for a network-based update, but it is not installed'
	exit 1
    fi
    if [ ! -d "${APT_DIR}/var/lib/apt/keyrings" ]; then
	mkdir -p "${APT_DIR}/var/lib/apt/keyrings"
    fi
    keyring="${APT_DIR}/var/lib/apt/keyrings/$(basename "$ARCHIVE_KEYRING_URI")"
    old_mtime=0
    if [ -e $keyring ]; then
	old_mtime=$(stat -c %Y "$keyring")
    fi
    (cd  "${APT_DIR}/var/lib/apt/keyrings"; wget --timeout=90 -q -N "$ARCHIVE_KEYRING_URI")
    if [ ! -e "$keyring" ]; then
	return
    fi
    new_mtime=$(stat -c %Y "$keyring")
    if [ $new_mtime -ne $old_mtime ]; then
	aptkey_echo "Checking for new archive signing keys now"
	add_keys_with_verify_against_master_keyring "$keyring" "$MASTER_KEYRING"
    fi
}

update() {
    if [ -z "$APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE" ]; then
	echo >&2 "Warning: 'apt-key update' is deprecated and should not be used anymore!"
	if [ -z "$ARCHIVE_KEYRING" ]; then
	    echo >&2 "Note: In your distribution this command is a no-op and can therefore be removed safely."
	    exit 0
	fi
    fi
    if [ ! -f "$ARCHIVE_KEYRING" ]; then
	apt_error "Can't find the archive-keyring (Is the ubuntu-keyring package installed?)"
	exit 1
    fi

# add new keys from the package;

# we do not use add_keys_with_verify_against_master_keyring here,
    # because "update" is run on regular package updates.  A
    # attacker might as well replace the master-archive-keyring file
    # in the package and add his own keys. so this check wouldn't
    # add any security. we *need* this check on net-update though
    import_keyring_into_keyring "$ARCHIVE_KEYRING" '' && cat "${GPGHOMEDIR}/gpgoutput.log"

if [ -r "$REMOVED_KEYS" ]; then
	# remove no-longer supported/used keys
	get_fingerprints_of_keyring "$(dearmor_filename "$REMOVED_KEYS")" | while read key; do
	    foreach_keyring_do 'remove_key_from_keyring' "$key"
	done
    else
	apt_warn "Removed keys keyring '$REMOVED_KEYS' missing or not readable"
    fi
}

remove_key_from_keyring() {
    local KEYRINGFILE="$1"
    shift
    # non-existent keyrings have by definition no keys
    if [ ! -e "$KEYRINGFILE" ]; then
       return
    fi

local FINGERPRINTS="${GPGHOMEDIR}/keyringfile.keylst"
    local DEARMOR="$(dearmor_filename "$KEYRINGFILE")"
    get_fingerprints_of_keyring "$DEARMOR" > "$FINGERPRINTS"

for KEY in "$@"; do
	# strip leading 0x, if present:
	KEY="$(echo "${KEY#0x}" | tr -d ' ')"

# check if the key is in this keyring
	if ! grep -iq "^[0-9A-F]*${KEY}$" "$FINGERPRINTS"; then
	    continue
	fi
	if [ ! -w "$KEYRINGFILE" ]; then
	    apt_warn "Key ${KEY} is in keyring ${KEYRINGFILE}, but can't be removed as it is read only."
	    continue
	fi
	# check if it is the only key in the keyring and if so remove the keyring altogether
	if [ '1' = "$(uniq "$FINGERPRINTS" | wc -l)" ]; then
	    mv -f "$KEYRINGFILE" "${KEYRINGFILE}~" # behave like gpg
	    return
	fi
	# we can't just modify pointed to files as these might be in /usr or something
	local REALTARGET
	if [ -L "$DEARMOR" ]; then
	    REALTARGET="$(readlink -f "$DEARMOR")"
	    mv -f "$DEARMOR" "${DEARMOR}.dpkg-tmp"
	    cp -a "$REALTARGET" "$DEARMOR"
	fi
	# delete the key from the keyring
	aptkey_execute "$GPG_SH" --keyring "$DEARMOR" --batch --delete-keys --yes "$KEY"
	if [ -n "$REALTARGET" ]; then
	    # the real backup is the old link, not the copy we made
	    mv -f "${DEARMOR}.dpkg-tmp" "${DEARMOR}~"
	fi
	if [ "$DEARMOR" != "$KEYRINGFILE" ]; then
	    mv -f "$KEYRINGFILE" "${KEYRINGFILE}~"
	    create_new_keyring "$KEYRINGFILE"
	    aptkey_execute "$GPG_SH" --keyring "$DEARMOR" --armor --export > "$KEYRINGFILE"
	fi
	get_fingerprints_of_keyring "$DEARMOR" > "$FINGERPRINTS"
    done
}

accessible_file_exists() {
   if ! test -s "$1"; then
      return 1
   fi
   if test -r "$1"; then
      return 0
   fi
   apt_warn "The key(s) in the keyring $1 are ignored as the file is not readable by user '$USER' executing apt-key."
   return 1
}

is_supported_keyring() {
    # empty files are always supported
    if ! test -s "$1"; then
	return 0
    fi
    local FILEEXT="${1##*.}"
    if [ "$FILEEXT" = 'gpg' ]; then
	# 0x98, 0x99 and 0xC6 via octal as hex isn't supported by dashs printf
	if printf '\231' | cmp --silent --bytes=1 - "$1"; then
	    true
	elif printf '\230' | cmp --silent --bytes=1 - "$1"; then
	    true
	elif printf '\306' | cmp --silent --bytes=1 - "$1"; then
	    true
	else
	    apt_warn "The key(s) in the keyring $1 are ignored as the file has an unsupported filetype."
	    return 1
	fi
    elif [ "$FILEEXT" = 'asc' ]; then
	true #dearmor_filename will deal with them
    else
	# most callers ignore unsupported extensions silently
	apt_warn "The key(s) in the keyring $1 are ignored as the file has an unsupported filename extension."
	return 1
    fi
    return 0
}

foreach_keyring_do() {
   local ACTION="$1"
   shift
   # if a --keyring was given, just work on this one
   if [ -n "$FORCED_KEYRING" ]; then
	$ACTION "$FORCED_KEYRING" "$@"
   else
	# otherwise all known keyrings are up for inspection
	if accessible_file_exists "$TRUSTEDFILE" && is_supported_keyring "$TRUSTEDFILE"; then
	    $ACTION "$TRUSTEDFILE" "$@"
	fi
	local TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
	eval "$(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)"
	if [ -d "$TRUSTEDPARTS" ]; then
	    TRUSTEDPARTS="$(readlink -f "$TRUSTEDPARTS")"
	    local TRUSTEDPARTSLIST="$(cd /; find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 $ -name '*.gpg' -o -name '*.asc' $)"
	    for trusted in $(echo "$TRUSTEDPARTSLIST" | sort); do
		if accessible_file_exists "$trusted" && is_supported_keyring "$trusted"; then
		    $ACTION "$trusted" "$@"
		fi
	    done
	fi
   fi
}

list_keys_in_keyring() {
    local KEYRINGFILE="$1"
    shift
    # fingerprint and co will fail if key isn't in this keyring
    aptkey_execute "$GPG_SH" --keyring "$(dearmor_filename "$KEYRINGFILE")" "$@" > "${GPGHOMEDIR}/gpgoutput.log" 2> "${GPGHOMEDIR}/gpgoutput.err" || true
    if [ ! -s "${GPGHOMEDIR}/gpgoutput.log" ]; then
	return
    fi
    # we fake gpg header here to refer to the real asc file rather than a temp file
    if [ "${KEYRINGFILE##*.}" = 'asc' ]; then
	if expr match "$(sed -n '2p' "${GPGHOMEDIR}/gpgoutput.log")" '^-\+$' >/dev/null 2>&1; then
	    echo "$KEYRINGFILE"
	    echo "$KEYRINGFILE" | sed 's#[^-]#-#g'
	    sed '1,2d' "${GPGHOMEDIR}/gpgoutput.log" || true
	else
	    cat "${GPGHOMEDIR}/gpgoutput.log"
	fi
    else
	cat "${GPGHOMEDIR}/gpgoutput.log"
    fi
    if [ -s "${GPGHOMEDIR}/gpgoutput.err" ]; then
	cat >&2 "${GPGHOMEDIR}/gpgoutput.err"
    fi
}

export_key_from_to() {
    local FROM="$1"
    local TO="$2"
    shift 2
    if ! aptkey_execute "$GPG_SH" --keyring "$(dearmor_filename "$FROM")" --export "$@" > "$TO" 2> "${GPGHOMEDIR}/gpgoutput.log"; then
	cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
	false
    else
	chmod 0644 -- "$TO"
    fi
}

import_keyring_into_keyring() {
    local FROM="${1:-${GPGHOMEDIR}/pubring.gpg}"
    local TO="${2:-${GPGHOMEDIR}/pubring.gpg}"
    shift 2
    rm -f "${GPGHOMEDIR}/gpgoutput.log"
    # the idea is simple: We take keys from one keyring and copy it to another
    # we do this with so many checks in between to ensure that WE control the
    # creation, so we know that the (potentially) created $TO keyring is a
    # simple keyring rather than a keybox as gpg2 would create it which in turn
    # can't be read by gpgv.
    # BEWARE: This is designed more in the way to work with the current
    # callers, than to have a well defined it would be easy to add new callers to.
    if [ ! -s "$TO" ]; then
	if [ -s "$FROM" ]; then
	    if [ -z "$2" ]; then
		local OPTS
		if [ "${TO##*.}" = 'asc' ]; then
		    OPTS='--armor'
		fi
		export_key_from_to "$(dearmor_filename "$FROM")" "$TO" $OPTS ${1:+"$1"}
	    else
		create_new_keyring "$TO"
	    fi
	else
	    create_new_keyring "$TO"
	fi
    elif [ -s "$FROM" ]; then
	local EXPORTLIMIT="$1"
	if [ -n "$1$2" ]; then shift; fi
	local DEARMORTO="$(dearmor_filename "$TO")"
	if ! aptkey_execute "$GPG_SH" --keyring "$(dearmor_filename "$FROM")" --export ${EXPORTLIMIT:+"$EXPORTLIMIT"} \
	   | aptkey_execute "$GPG_SH" --keyring "$DEARMORTO" --batch --import "$@" > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
	    cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
	    false
	fi
	if [ "$DEARMORTO" != "$TO" ]; then
	    export_key_from_to "$DEARMORTO" "${DEARMORTO}.asc" --armor
	    if ! cmp -s "$TO" "${DEARMORTO}.asc" 2>/dev/null; then
		cp -a "$TO" "${TO}~"
		mv -f "${DEARMORTO}.asc" "$TO"
	    fi
	fi
    fi
}

dearmor_keyring() {
    # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=831409#67
    # The awk script is more complex through to skip surrounding garbage and
    # to support multiple keys in one file (old gpgs generate version headers
    # which get printed with the original and hence result in garbage input for base64
    awk '/^-----BEGIN/{ x = 1; }
/^$/{ if (x == 1) { x = 2; }; }
/^[^=-]/{ if (x == 2) { print $0; }; }
/^-----END/{ x = 0; }' | base64 -d
}
dearmor_filename() {
    if [ "${1##*.}" = 'asc' ]; then
	local trusted="${GPGHOMEDIR}/${1##*/}.gpg"
	if [ -s "$1" ]; then
	    dearmor_keyring < "$1" > "$trusted"
	fi
	echo "$trusted"
    elif [ "${1##*.}" = 'gpg' ]; then
	echo "$1"
    elif [ "$(head -n 1 "$1" 2>/dev/null)" = '-----BEGIN PGP PUBLIC KEY BLOCK-----' ]; then
	local trusted="${GPGHOMEDIR}/${1##*/}.gpg"
	dearmor_keyring < "$1" > "$trusted"
	echo "$trusted"
    else
	echo "$1"
    fi
}
catfile() {
    cat "$(dearmor_filename "$1")" >> "$2"
}

merge_all_trusted_keyrings_into_pubring() {
    # does the same as:
    # foreach_keyring_do 'import_keys_from_keyring' "${GPGHOMEDIR}/pubring.gpg"
    # but without using gpg, just cat and find
    local PUBRING="$(readlink -f "${GPGHOMEDIR}")/pubring.gpg"
    rm -f "$PUBRING"
    touch "$PUBRING"
    foreach_keyring_do 'catfile' "$PUBRING"
}

import_keys_from_keyring() {
    import_keyring_into_keyring "$1" "$2"
}

merge_keys_into_keyrings() {
    import_keyring_into_keyring "$2" "$1" '' --import-options 'merge-only'
}

merge_back_changes() {
    if [ -n "$FORCED_KEYRING" ]; then
	# if the keyring was forced merge is already done
	if [ "$FORCED_KEYRING" != "$TRUSTEDFILE" ]; then
	    mv -f "$FORCED_KEYRING" "${FORCED_KEYRING}~"
	    export_key_from_to "$TRUSTEDFILE" "$FORCED_KEYRING" --armor
	fi
	return
    fi
    if [ -s "${GPGHOMEDIR}/pubring.gpg" ]; then
	# merge all updated keys
	foreach_keyring_do 'merge_keys_into_keyrings' "${GPGHOMEDIR}/pubring.gpg"
    fi
    # look for keys which were added or removed
    get_fingerprints_of_keyring "${GPGHOMEDIR}/pubring.orig.gpg" > "${GPGHOMEDIR}/pubring.orig.keylst"
    get_fingerprints_of_keyring "${GPGHOMEDIR}/pubring.gpg" > "${GPGHOMEDIR}/pubring.keylst"
    comm -3 "${GPGHOMEDIR}/pubring.keylst" "${GPGHOMEDIR}/pubring.orig.keylst" > "${GPGHOMEDIR}/pubring.diff"
    # key isn't part of new keyring, so remove
    cut -f 2 "${GPGHOMEDIR}/pubring.diff" | while read key; do
	if [ -z "$key" ]; then continue; fi
	foreach_keyring_do 'remove_key_from_keyring' "$key"
    done
    # key is only part of new keyring, so we need to import it
    cut -f 1 "${GPGHOMEDIR}/pubring.diff" | while read key; do
	if [ -z "$key" ]; then continue; fi
	import_keyring_into_keyring '' "$TRUSTEDFILE" "$key"
    done
}

setup_merged_keyring() {
    if [ -n "$FORCED_KEYID" ]; then
	merge_all_trusted_keyrings_into_pubring
	FORCED_KEYRING="${GPGHOMEDIR}/forcedkeyid.gpg"
	TRUSTEDFILE="${FORCED_KEYRING}"
	echo "#!/bin/sh
exec sh '($(escape_shell "${GPG}")' --keyring '$(escape_shell "${TRUSTEDFILE}")' \"\$@\"" > "${GPGHOMEDIR}/gpg.1.sh"
	GPG="${GPGHOMEDIR}/gpg.1.sh"
	# ignore error as this "just" means we haven't found the forced keyid and the keyring will be empty
	import_keyring_into_keyring '' "$TRUSTEDFILE" "$FORCED_KEYID" || true
    elif [ -z "$FORCED_KEYRING" ]; then
	merge_all_trusted_keyrings_into_pubring
	if [ -r "${GPGHOMEDIR}/pubring.gpg" ]; then
	    cp -a "${GPGHOMEDIR}/pubring.gpg" "${GPGHOMEDIR}/pubring.orig.gpg"
	else
	   touch "${GPGHOMEDIR}/pubring.gpg" "${GPGHOMEDIR}/pubring.orig.gpg"
	fi
	echo "#!/bin/sh
exec sh '$(escape_shell "${GPG}")' --keyring '$(escape_shell "${GPGHOMEDIR}/pubring.gpg")' \"\$@\"" > "${GPGHOMEDIR}/gpg.1.sh"
	GPG="${GPGHOMEDIR}/gpg.1.sh"
    else
	TRUSTEDFILE="$(dearmor_filename "$FORCED_KEYRING")"
	create_new_keyring "$TRUSTEDFILE"
	echo "#!/bin/sh
exec sh '$(escape_shell "${GPG}")' --keyring '$(escape_shell "${TRUSTEDFILE}")' \"\$@\"" > "${GPGHOMEDIR}/gpg.1.sh"
	GPG="${GPGHOMEDIR}/gpg.1.sh"
    fi
}

create_new_keyring() {
    # gpg defaults to mode 0600 for new keyrings. Create one with 0644 instead.
    if ! [ -e "$1" ]; then
	if [ -w "$(dirname "$1")" ]; then
	    touch -- "$1"
	    chmod 0644 -- "$1"
	fi
    fi
}

aptkey_execute() { sh "$@"; }

usage() {
    echo "Usage: apt-key [--keyring file] [command] [arguments]"
    echo
    echo "Manage apt's list of trusted keys"
    echo
    echo "  apt-key add <file>          - add the key contained in <file> ('-' for stdin)"
    echo "  apt-key del <keyid>         - remove the key <keyid>"
    echo "  apt-key export <keyid>      - output the key <keyid>"
    echo "  apt-key exportall           - output all trusted keys"
    echo "  apt-key update              - update keys using the keyring package"
    echo "  apt-key net-update          - update keys using the network"
    echo "  apt-key list                - list keys"
    echo "  apt-key finger              - list fingerprints"
    echo "  apt-key adv                 - pass advanced options to gpg (download key)"
    echo
    echo "If no specific keyring file is given the command applies to all keyring files."
}

while [ -n "$1" ]; do
   case "$1" in
      --keyring)
	 shift
	 if [ -z "$FORCED_KEYRING" -o "$FORCED_KEYRING" = '/dev/null' ]; then
	     TRUSTEDFILE="$1"
	     FORCED_KEYRING="$1"
	 elif [ "$TRUSTEDFILE" = "$FORCED_KEYRING" ]; then
	     create_gpg_home
	     FORCED_KEYRING="${GPGHOMEDIR}/mergedkeyrings.gpg"
	     echo -n '' > "$FORCED_KEYRING"
	     chmod 0644 -- "$FORCED_KEYRING"
	     catfile "$TRUSTEDFILE" "$FORCED_KEYRING"
	     catfile "$1" "$FORCED_KEYRING"
	 else
	     catfile "$1" "$FORCED_KEYRING"
	 fi
	 ;;
      --keyid)
	 shift
	 if [ -n "$FORCED_KEYID" ]; then
	     apt_error 'Specifying --keyid multiple times is not supported'
	     exit 1
	 fi
	 FORCED_KEYID="$1"
	 ;;
      --secret-keyring)
	 shift
	 FORCED_SECRET_KEYRING="$1"
	 ;;
      --readonly)
	 merge_back_changes() { true; }
	 create_new_keyring() { if [ ! -r "$FORCED_KEYRING" ]; then TRUSTEDFILE='/dev/null'; FORCED_KEYRING="$TRUSTEDFILE"; fi; }
	 ;;
      --fakeroot)
	 requires_root() { true; }
	 ;;
      --quiet)
	 aptkey_echo() { true; }
	 ;;
      --debug1)
	 # some cmds like finger redirect stderr to /dev/null …
	aptkey_execute() { echo 'EXEC:' "$@"; sh "$@"; }
	;;
      --debug2)
	 # … other more complicated ones pipe gpg into gpg.
	aptkey_execute() { echo >&2 'EXEC:' "$@"; sh "$@"; }
	;;
      --homedir)
	 # force usage of a specific homedir instead of creating a temporary
	 shift
	 GPGHOMEDIR="$1"
	;;
      --*)
	 echo >&2 "Unknown option: $1"
	 usage
	 exit 1;;
      *)
	 break;;
   esac
   shift
done

if [ -z "$TRUSTEDFILE" ]; then
   TRUSTEDFILE="/etc/apt/trusted.gpg"
   eval $(apt-config shell TRUSTEDFILE Apt::GPGV::TrustedKeyring)
   eval $(apt-config shell TRUSTEDFILE Dir::Etc::Trusted/f)
fi

command="$1"
if [ -z "$command" ]; then
    usage
    exit 1
fi
shift

prepare_gpg_home() {
    # crude detection if we are called from a maintainerscript where the
    # package depends on gnupg or not. We accept recommends here as
    # well as the script hopefully uses apt-key optionally then like e.g.
    # debian-archive-keyring for (upgrade) cleanup did
    if [ -n "$DPKG_MAINTSCRIPT_PACKAGE" ] && [ -z "$APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE" ]; then
	if ! dpkg-query --show --showformat '${Pre-Depends}${Depends}${Recommends}\n' "$DPKG_MAINTSCRIPT_PACKAGE" 2>/dev/null | grep -q gnupg; then
	    cat >&2 <<EOF
Warning: The $DPKG_MAINTSCRIPT_NAME maintainerscript of the package $DPKG_MAINTSCRIPT_PACKAGE
Warning: seems to use apt-key (provided by apt) without depending on gnupg or gnupg2.
Warning: This will BREAK in the future and should be fixed by the package maintainer(s).
Note: Check first if apt-key functionality is needed at all - it probably isn't!
EOF
	fi
    fi
    eval "$(apt-config shell GPG_EXE Apt::Key::gpgcommand)"
    if [ -n "$GPG_EXE" ] && command_available "$GPG_EXE"; then
	true
    elif command_available 'gpg'; then
	GPG_EXE="gpg"
    elif command_available 'gpg2'; then
	GPG_EXE="gpg2"
    elif command_available 'gpg1'; then
	GPG_EXE="gpg1"
    else
	apt_error 'gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation'
	exit 255
    fi

create_gpg_home

# now tell gpg that it shouldn't try to maintain this trustdb file
    echo "#!/bin/sh
exec '$(escape_shell "${GPG_EXE}")' --ignore-time-conflict --no-options --no-default-keyring \\
--homedir '$(escape_shell "${GPGHOMEDIR}")' --no-auto-check-trustdb --trust-model always \"\$@\"" > "${GPGHOMEDIR}/gpg.0.sh"
    GPG_SH="${GPGHOMEDIR}/gpg.0.sh"
    GPG="$GPG_SH"

# create the trustdb with an (empty) dummy keyring
    # older gpgs required it, newer gpgs even warn that it isn't needed,
    # but require it nonetheless for some commands, so we just play safe
    # here for the foreseeable future and create a dummy one
    touch "${GPGHOMEDIR}/empty.gpg"
    if ! "$GPG_EXE" --ignore-time-conflict --no-options --no-default-keyring \
       --homedir "$GPGHOMEDIR" --quiet --check-trustdb --keyring "${GPGHOMEDIR}/empty.gpg" >"${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
       cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
       false
    fi

# We don't usually need a secret keyring, of course, but
    # for advanced operations, we might really need a secret keyring after all
    if [ -n "$FORCED_SECRET_KEYRING" ] && [ -r "$FORCED_SECRET_KEYRING" ]; then
	if ! aptkey_execute "$GPG" -v --batch --import "$FORCED_SECRET_KEYRING" >"${GPGHOMEDIR}/gpgoutput.log" 2>&1; then
	    # already imported keys cause gpg1 to fail for some reason… ignore this error
	    if ! grep -q 'already in secret keyring' "${GPGHOMEDIR}/gpgoutput.log"; then
		cat >&2 "${GPGHOMEDIR}/gpgoutput.log"
		false
	    fi
	fi
    else
       # and then, there are older versions of gpg which panic and implode
       # if there isn't one available - and writeable for imports
       # and even if not output is littered with the creation of a secring,
       # so lets call import once to have it create what it wants in silence
       echo -n | aptkey_execute "$GPG" --batch --import >/dev/null 2>&1 || true
    fi
}

warn_on_script_usage() {
    if [ -n "$APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE" ]; then
	return
    fi
    # (Maintainer) scripts should not be using apt-key
    if [ -n "$DPKG_MAINTSCRIPT_PACKAGE" ]; then
	echo >&2 "Warning: apt-key should not be used in scripts (called from $DPKG_MAINTSCRIPT_NAME maintainerscript of the package ${DPKG_MAINTSCRIPT_PACKAGE})"
    elif [ ! -t 1 ]; then
	echo >&2 "Warning: apt-key output should not be parsed (stdout is not a terminal)"
    fi
}

if [ "$command" != 'help' ] && [ "$command" != 'verify' ]; then
    prepare_gpg_home
fi

case "$command" in
    add)
	warn_on_script_usage
	requires_root
	setup_merged_keyring
	aptkey_execute "$GPG" --quiet --batch --import "$@"
	merge_back_changes
	aptkey_echo "OK"
        ;;
    del|rm|remove)
	# no script warning here as removing 'add' usage needs 'del' for cleanup
	requires_root
	foreach_keyring_do 'remove_key_from_keyring' "$@"
	aptkey_echo "OK"
        ;;
    update)
	warn_on_script_usage
	requires_root
	setup_merged_keyring
	update
	merge_back_changes
	;;
    net-update)
	requires_root
	setup_merged_keyring
	net_update
	merge_back_changes
	;;
    list|finger*)
	warn_on_script_usage
	foreach_keyring_do 'list_keys_in_keyring' --fingerprint "$@"
	;;
    export|exportall)
	warn_on_script_usage
	merge_all_trusted_keyrings_into_pubring
	aptkey_execute "$GPG_SH" --keyring "${GPGHOMEDIR}/pubring.gpg" --armor --export "$@"
	;;
    adv*)
	warn_on_script_usage
	setup_merged_keyring
	aptkey_echo "Executing: $GPG" "$@"
	aptkey_execute "$GPG" "$@"
	merge_back_changes
	;;
    verify)
	GPGV=''
	eval $(apt-config shell GPGV Apt::Key::gpgvcommand)
	if [ -n "$GPGV" ] && command_available "$GPGV"; then true;
	elif command_available 'gpgv'; then GPGV='gpgv';
	elif command_available 'gpgv2'; then GPGV='gpgv2';
	elif command_available 'gpgv1'; then GPGV='gpgv1';
	else
	   apt_error 'gpgv, gpgv2 or gpgv1 required for verification, but neither seems installed'
	   exit 29
	fi
	# for a forced keyid we need gpg --export, so full wrapping required
	if [ -n "$FORCED_KEYID" ]; then
	    prepare_gpg_home
	else
	    create_gpg_home
	fi
	setup_merged_keyring
	if [ -n "$FORCED_KEYRING" ]; then
	    "$GPGV" --homedir "${GPGHOMEDIR}" --keyring "$(dearmor_filename "${FORCED_KEYRING}")" --ignore-time-conflict "$@"
	else
	    "$GPGV" --homedir "${GPGHOMEDIR}" --keyring "${GPGHOMEDIR}/pubring.gpg" --ignore-time-conflict "$@"
	fi
	;;
    help)
        usage
        ;;
    *)
        usage
        exit 1
        ;;
esac

[ CANCEL ]

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📄 info	FILE	[EDIT]
📄 infobrowser	FILE	[EDIT]
📄 infocmp	FILE	[EDIT]
📄 infotocap	FILE	[EDIT]
📄 innochecksum	FILE	[EDIT]
📄 install	FILE	[EDIT]
📄 install-info	FILE	[EDIT]
📄 instmodsh	FILE	[EDIT]
📄 ionice	FILE	[EDIT]
📄 ip	FILE	[EDIT]
📄 ipcmk	FILE	[EDIT]
📄 ipcrm	FILE	[EDIT]
📄 ipcs	FILE	[EDIT]
📄 iptables-xml	FILE	[EDIT]
📄 ischroot	FILE	[EDIT]
📄 iscsiadm	FILE	[EDIT]
📄 join	FILE	[EDIT]
📄 journalctl	FILE	[EDIT]
📄 json_pp	FILE	[EDIT]
📄 jsondiff	FILE	[EDIT]
📄 jsonpatch	FILE	[EDIT]
📄 jsonpatch-jsondiff	FILE	[EDIT]
📄 jsonpointer	FILE	[EDIT]
📄 jsonschema	FILE	[EDIT]
📄 kbd_mode	FILE	[EDIT]
📄 kbdinfo	FILE	[EDIT]
📄 kbxutil	FILE	[EDIT]
📄 keep-one-running	FILE	[EDIT]
📄 kernel-install	FILE	[EDIT]
📄 keyring	FILE	[EDIT]
📄 kill	FILE	[EDIT]
📄 killall	FILE	[EDIT]
📄 kmod	FILE	[EDIT]
📄 kmodsign	FILE	[EDIT]
📄 landscape-sysinfo	FILE	[EDIT]
📄 last	FILE	[EDIT]
📄 lastb	FILE	[EDIT]
📄 lastlog	FILE	[EDIT]
📄 lcf	FILE	[EDIT]
📄 ldd	FILE	[EDIT]
📄 less	FILE	[EDIT]
📄 lessecho	FILE	[EDIT]
📄 lessfile	FILE	[EDIT]
📄 lesskey	FILE	[EDIT]
📄 lesspipe	FILE	[EDIT]
📄 lexgrog	FILE	[EDIT]
📄 libnetcfg	FILE	[EDIT]
📄 link	FILE	[EDIT]
📄 linux-boot-prober	FILE	[EDIT]
📄 linux-check-removal	FILE	[EDIT]
📄 linux-update-symlinks	FILE	[EDIT]
📄 linux-version	FILE	[EDIT]
📄 linux32	FILE	[EDIT]
📄 linux64	FILE	[EDIT]
📄 ln	FILE	[EDIT]
📄 lnstat	FILE	[EDIT]
📄 loadkeys	FILE	[EDIT]
📄 loadunimap	FILE	[EDIT]
📄 locale	FILE	[EDIT]
📄 locale-check	FILE	[EDIT]
📄 localectl	FILE	[EDIT]
📄 localedef	FILE	[EDIT]
📄 logger	FILE	[EDIT]
📄 login	FILE	[EDIT]
📄 loginctl	FILE	[EDIT]
📄 logname	FILE	[EDIT]
📄 logresolve	FILE	[EDIT]
📄 look	FILE	[EDIT]
📄 lorder	FILE	[EDIT]
📄 lowntfs-3g	FILE	[EDIT]
📄 ls	FILE	[EDIT]
📄 lsattr	FILE	[EDIT]
📄 lsb_release	FILE	[EDIT]
📄 lsblk	FILE	[EDIT]
📄 lscpu	FILE	[EDIT]
📄 lshw	FILE	[EDIT]
📄 lsinitramfs	FILE	[EDIT]
📄 lsipc	FILE	[EDIT]
📄 lslocks	FILE	[EDIT]
📄 lslogins	FILE	[EDIT]
📄 lsmem	FILE	[EDIT]
📄 lsmod	FILE	[EDIT]
📄 lsns	FILE	[EDIT]
📄 lsof	FILE	[EDIT]
📄 lspci	FILE	[EDIT]
📄 lspgpot	FILE	[EDIT]
📄 lsusb	FILE	[EDIT]
📄 ltrace	FILE	[EDIT]
📄 lz4	FILE	[EDIT]
📄 lz4c	FILE	[EDIT]
📄 lz4cat	FILE	[EDIT]
📄 lzcat	FILE	[EDIT]
📄 lzcmp	FILE	[EDIT]
📄 lzdiff	FILE	[EDIT]
📄 lzegrep	FILE	[EDIT]
📄 lzfgrep	FILE	[EDIT]
📄 lzgrep	FILE	[EDIT]
📄 lzless	FILE	[EDIT]
📄 lzma	FILE	[EDIT]
📄 lzmainfo	FILE	[EDIT]
📄 lzmore	FILE	[EDIT]
📄 mailmail3	FILE	[EDIT]
📄 man	FILE	[EDIT]
📄 man-recode	FILE	[EDIT]
📄 mandb	FILE	[EDIT]
📄 manifest	FILE	[EDIT]
📄 manpath	FILE	[EDIT]
📄 mapscrn	FILE	[EDIT]
📄 mawk	FILE	[EDIT]
📄 mcookie	FILE	[EDIT]
📄 md5sum	FILE	[EDIT]
📄 md5sum.textutils	FILE	[EDIT]
📄 mdig	FILE	[EDIT]
📄 mesg	FILE	[EDIT]
📄 migrate-pubring-from-classic-gpg	FILE	[EDIT]
📄 miniterm	FILE	[EDIT]
📄 mk_modmap	FILE	[EDIT]
📄 mkdir	FILE	[EDIT]
📄 mkfifo	FILE	[EDIT]
📄 mknod	FILE	[EDIT]
📄 mkpasswd	FILE	[EDIT]
📄 mksquashfs	FILE	[EDIT]
📄 mktemp	FILE	[EDIT]
📄 mokutil	FILE	[EDIT]
📄 more	FILE	[EDIT]
📄 mount	FILE	[EDIT]
📄 mountpoint	FILE	[EDIT]
📄 mt	FILE	[EDIT]
📄 mt-gnu	FILE	[EDIT]
📄 mtr	FILE	[EDIT]
📄 mtr-packet	FILE	[EDIT]
📄 mv	FILE	[EDIT]
📄 my_print_defaults	FILE	[EDIT]
📄 myisam_ftdump	FILE	[EDIT]
📄 myisamchk	FILE	[EDIT]
📄 myisamlog	FILE	[EDIT]
📄 myisampack	FILE	[EDIT]
📄 mysql	FILE	[EDIT]
📄 mysql_config_editor	FILE	[EDIT]
📄 mysql_migrate_keyring	FILE	[EDIT]
📄 mysql_secure_installation	FILE	[EDIT]
📄 mysql_ssl_rsa_setup	FILE	[EDIT]
📄 mysql_tzinfo_to_sql	FILE	[EDIT]
📄 mysql_upgrade	FILE	[EDIT]
📄 mysqladmin	FILE	[EDIT]
📄 mysqlanalyze	FILE	[EDIT]
📄 mysqlbinlog	FILE	[EDIT]
📄 mysqlcheck	FILE	[EDIT]
📄 mysqld_multi	FILE	[EDIT]
📄 mysqld_safe	FILE	[EDIT]
📄 mysqldump	FILE	[EDIT]
📄 mysqldumpslow	FILE	[EDIT]
📄 mysqlimport	FILE	[EDIT]
📄 mysqloptimize	FILE	[EDIT]
📄 mysqlpump	FILE	[EDIT]
📄 mysqlrepair	FILE	[EDIT]
📄 mysqlreport	FILE	[EDIT]
📄 mysqlshow	FILE	[EDIT]
📄 mysqlslap	FILE	[EDIT]
📄 namei	FILE	[EDIT]
📄 nano	FILE	[EDIT]
📄 nawk	FILE	[EDIT]
📄 nc	FILE	[EDIT]
📄 nc.openbsd	FILE	[EDIT]
📄 ncal	FILE	[EDIT]
📄 neqn	FILE	[EDIT]
📄 netcat	FILE	[EDIT]
📄 netkit-ftp	FILE	[EDIT]
📄 netstat	FILE	[EDIT]
📄 networkctl	FILE	[EDIT]
📄 networkd-dispatcher	FILE	[EDIT]
📄 newgrp	FILE	[EDIT]
📄 ngettext	FILE	[EDIT]
📄 nice	FILE	[EDIT]
📄 nisdomainname	FILE	[EDIT]
📄 nl	FILE	[EDIT]
📄 nohup	FILE	[EDIT]
📄 nproc	FILE	[EDIT]
📄 nroff	FILE	[EDIT]
📄 nsenter	FILE	[EDIT]
📄 nslookup	FILE	[EDIT]
📄 nstat	FILE	[EDIT]
📄 nsupdate	FILE	[EDIT]
📄 ntfs-3g	FILE	[EDIT]
📄 ntfs-3g.probe	FILE	[EDIT]
📄 ntfscat	FILE	[EDIT]
📄 ntfscluster	FILE	[EDIT]
📄 ntfscmp	FILE	[EDIT]
📄 ntfsdecrypt	FILE	[EDIT]
📄 ntfsfallocate	FILE	[EDIT]
📄 ntfsfix	FILE	[EDIT]
📄 ntfsinfo	FILE	[EDIT]
📄 ntfsls	FILE	[EDIT]
📄 ntfsmove	FILE	[EDIT]
📄 ntfsrecover	FILE	[EDIT]
📄 ntfssecaudit	FILE	[EDIT]
📄 ntfstruncate	FILE	[EDIT]
📄 ntfsusermap	FILE	[EDIT]
📄 ntfswipe	FILE	[EDIT]
📄 numfmt	FILE	[EDIT]
📄 od	FILE	[EDIT]
📄 oem-getlogs	FILE	[EDIT]
📄 on_ac_power	FILE	[EDIT]
📄 openssl	FILE	[EDIT]
📄 openvt	FILE	[EDIT]
📄 os-prober	FILE	[EDIT]
📄 pager	FILE	[EDIT]
📄 partx	FILE	[EDIT]
📄 passwd	FILE	[EDIT]
📄 paste	FILE	[EDIT]
📄 pastebinit	FILE	[EDIT]
📄 patch	FILE	[EDIT]
📄 pathchk	FILE	[EDIT]
📄 pbget	FILE	[EDIT]
📄 pbput	FILE	[EDIT]
📄 pbputs	FILE	[EDIT]
📄 pdb3	FILE	[EDIT]
📄 pdb3.8	FILE	[EDIT]
📄 peekfd	FILE	[EDIT]
📄 perl	FILE	[EDIT]
📄 perl5.30-x86_64-linux-gnu	FILE	[EDIT]
📄 perl5.30.0	FILE	[EDIT]
📄 perlbug	FILE	[EDIT]
📄 perldoc	FILE	[EDIT]
📄 perlivp	FILE	[EDIT]
📄 perlthanks	FILE	[EDIT]
📄 perror	FILE	[EDIT]
📄 pftp	FILE	[EDIT]
📄 pgrep	FILE	[EDIT]
📄 phar	FILE	[EDIT]
📄 phar.phar	FILE	[EDIT]
📄 phar.phar7.4	FILE	[EDIT]
📄 phar7.4	FILE	[EDIT]
📄 phar7.4.phar	FILE	[EDIT]
📄 photorec	FILE	[EDIT]
📄 php	FILE	[EDIT]
📄 php7.4	FILE	[EDIT]
📄 pic	FILE	[EDIT]
📄 pico	FILE	[EDIT]
📄 piconv	FILE	[EDIT]
📄 pidof	FILE	[EDIT]
📄 pidproxy	FILE	[EDIT]
📄 pinentry	FILE	[EDIT]
📄 pinentry-curses	FILE	[EDIT]
📄 ping	FILE	[EDIT]
📄 ping4	FILE	[EDIT]
📄 ping6	FILE	[EDIT]
📄 pinky	FILE	[EDIT]
📄 pkaction	FILE	[EDIT]
📄 pkcheck	FILE	[EDIT]
📄 pkcon	FILE	[EDIT]
📄 pkexec	FILE	[EDIT]
📄 pkill	FILE	[EDIT]
📄 pkmon	FILE	[EDIT]
📄 pkttyagent	FILE	[EDIT]
📄 pl2pm	FILE	[EDIT]
📄 pldd	FILE	[EDIT]
📄 plymouth	FILE	[EDIT]
📄 pmap	FILE	[EDIT]
📄 pod2html	FILE	[EDIT]
📄 pod2man	FILE	[EDIT]
📄 pod2text	FILE	[EDIT]
📄 pod2usage	FILE	[EDIT]
📄 podchecker	FILE	[EDIT]
📄 podselect	FILE	[EDIT]
📄 pollinate	FILE	[EDIT]
📄 pr	FILE	[EDIT]
📄 preconv	FILE	[EDIT]
📄 print	FILE	[EDIT]
📄 printenv	FILE	[EDIT]
📄 printerbanner	FILE	[EDIT]
📄 printf	FILE	[EDIT]
📄 prlimit	FILE	[EDIT]
📄 prove	FILE	[EDIT]
📄 prtstat	FILE	[EDIT]
📄 ps	FILE	[EDIT]
📄 psfaddtable	FILE	[EDIT]
📄 psfgettable	FILE	[EDIT]
📄 psfstriptable	FILE	[EDIT]
📄 psfxtable	FILE	[EDIT]
📄 pslog	FILE	[EDIT]
📄 pstree	FILE	[EDIT]
📄 pstree.x11	FILE	[EDIT]
📄 ptar	FILE	[EDIT]
📄 ptardiff	FILE	[EDIT]
📄 ptargrep	FILE	[EDIT]
📄 ptx	FILE	[EDIT]
📄 purge-old-kernels	FILE	[EDIT]
📄 pwd	FILE	[EDIT]
📄 pwdx	FILE	[EDIT]
📄 py3clean	FILE	[EDIT]
📄 py3compile	FILE	[EDIT]
📄 py3versions	FILE	[EDIT]
📄 pydoc3	FILE	[EDIT]
📄 pydoc3.8	FILE	[EDIT]
📄 pygettext3	FILE	[EDIT]
📄 pygettext3.8	FILE	[EDIT]
📄 pyhtmlizer3	FILE	[EDIT]
📄 pyjwt3	FILE	[EDIT]
📄 python3	FILE	[EDIT]
📄 python3.8	FILE	[EDIT]
📄 quota	FILE	[EDIT]
📄 quotasync	FILE	[EDIT]
📄 rbash	FILE	[EDIT]
📄 rcp	FILE	[EDIT]
📄 rdma	FILE	[EDIT]
📄 readlink	FILE	[EDIT]
📄 realpath	FILE	[EDIT]
📄 red	FILE	[EDIT]
📄 rename.ul	FILE	[EDIT]
📄 renice	FILE	[EDIT]
📄 rescan-scsi-bus.sh	FILE	[EDIT]
📄 reset	FILE	[EDIT]
📄 resizecons	FILE	[EDIT]
📄 resizepart	FILE	[EDIT]
📄 resolvectl	FILE	[EDIT]
📄 rev	FILE	[EDIT]
📄 rgrep	FILE	[EDIT]
📄 rlogin	FILE	[EDIT]
📄 rm	FILE	[EDIT]
📄 rmdir	FILE	[EDIT]
📄 rnano	FILE	[EDIT]
📄 rotatelogs	FILE	[EDIT]
📄 routef	FILE	[EDIT]
📄 routel	FILE	[EDIT]
📄 rrsync	FILE	[EDIT]
📄 rsh	FILE	[EDIT]
📄 rsync	FILE	[EDIT]
📄 rtstat	FILE	[EDIT]
📄 run-mailcap	FILE	[EDIT]
📄 run-one	FILE	[EDIT]
📄 run-one-constantly	FILE	[EDIT]
📄 run-one-until-failure	FILE	[EDIT]
📄 run-one-until-success	FILE	[EDIT]
📄 run-parts	FILE	[EDIT]
📄 run-this-one	FILE	[EDIT]
📄 runcon	FILE	[EDIT]
📄 rview	FILE	[EDIT]
📄 rvim	FILE	[EDIT]
📄 savelog	FILE	[EDIT]
📄 sbattach	FILE	[EDIT]
📄 sbkeysync	FILE	[EDIT]
📄 sbsiglist	FILE	[EDIT]
📄 sbsign	FILE	[EDIT]
📄 sbvarsign	FILE	[EDIT]
📄 sbverify	FILE	[EDIT]
📄 scp	FILE	[EDIT]
📄 screen	FILE	[EDIT]
📄 screendump	FILE	[EDIT]
📄 script	FILE	[EDIT]
📄 scriptreplay	FILE	[EDIT]
📄 scsi_logging_level	FILE	[EDIT]
📄 scsi_mandat	FILE	[EDIT]
📄 scsi_readcap	FILE	[EDIT]
📄 scsi_ready	FILE	[EDIT]
📄 scsi_satl	FILE	[EDIT]
📄 scsi_start	FILE	[EDIT]
📄 scsi_stop	FILE	[EDIT]
📄 scsi_temperature	FILE	[EDIT]
📄 sdiff	FILE	[EDIT]
📄 sed	FILE	[EDIT]
📄 see	FILE	[EDIT]
📄 select-editor	FILE	[EDIT]
📄 sensible-browser	FILE	[EDIT]
📄 sensible-editor	FILE	[EDIT]
📄 sensible-pager	FILE	[EDIT]
📄 seq	FILE	[EDIT]
📄 setarch	FILE	[EDIT]
📄 setfont	FILE	[EDIT]
📄 setkeycodes	FILE	[EDIT]
📄 setleds	FILE	[EDIT]
📄 setlogcons	FILE	[EDIT]
📄 setmetamode	FILE	[EDIT]
📄 setpci	FILE	[EDIT]
📄 setpriv	FILE	[EDIT]
📄 setsid	FILE	[EDIT]
📄 setterm	FILE	[EDIT]
📄 setupcon	FILE	[EDIT]
📄 sftp	FILE	[EDIT]
📄 sg	FILE	[EDIT]
📄 sg_bg_ctl	FILE	[EDIT]
📄 sg_compare_and_write	FILE	[EDIT]
📄 sg_copy_results	FILE	[EDIT]
📄 sg_dd	FILE	[EDIT]
📄 sg_decode_sense	FILE	[EDIT]
📄 sg_emc_trespass	FILE	[EDIT]
📄 sg_format	FILE	[EDIT]
📄 sg_get_config	FILE	[EDIT]
📄 sg_get_lba_status	FILE	[EDIT]
📄 sg_ident	FILE	[EDIT]
📄 sg_inq	FILE	[EDIT]
📄 sg_logs	FILE	[EDIT]
📄 sg_luns	FILE	[EDIT]
📄 sg_map	FILE	[EDIT]
📄 sg_map26	FILE	[EDIT]
📄 sg_modes	FILE	[EDIT]
📄 sg_opcodes	FILE	[EDIT]
📄 sg_persist	FILE	[EDIT]
📄 sg_prevent	FILE	[EDIT]
📄 sg_raw	FILE	[EDIT]
📄 sg_rbuf	FILE	[EDIT]
📄 sg_rdac	FILE	[EDIT]
📄 sg_read	FILE	[EDIT]
📄 sg_read_attr	FILE	[EDIT]
📄 sg_read_block_limits	FILE	[EDIT]
📄 sg_read_buffer	FILE	[EDIT]
📄 sg_read_long	FILE	[EDIT]
📄 sg_readcap	FILE	[EDIT]
📄 sg_reassign	FILE	[EDIT]
📄 sg_referrals	FILE	[EDIT]
📄 sg_rep_zones	FILE	[EDIT]
📄 sg_requests	FILE	[EDIT]
📄 sg_reset	FILE	[EDIT]
📄 sg_reset_wp	FILE	[EDIT]
📄 sg_rmsn	FILE	[EDIT]
📄 sg_rtpg	FILE	[EDIT]
📄 sg_safte	FILE	[EDIT]
📄 sg_sanitize	FILE	[EDIT]
📄 sg_sat_identify	FILE	[EDIT]
📄 sg_sat_phy_event	FILE	[EDIT]
📄 sg_sat_read_gplog	FILE	[EDIT]
📄 sg_sat_set_features	FILE	[EDIT]
📄 sg_scan	FILE	[EDIT]
📄 sg_seek	FILE	[EDIT]
📄 sg_senddiag	FILE	[EDIT]
📄 sg_ses	FILE	[EDIT]
📄 sg_ses_microcode	FILE	[EDIT]
📄 sg_start	FILE	[EDIT]
📄 sg_stpg	FILE	[EDIT]
📄 sg_stream_ctl	FILE	[EDIT]
📄 sg_sync	FILE	[EDIT]
📄 sg_test_rwbuf	FILE	[EDIT]
📄 sg_timestamp	FILE	[EDIT]
📄 sg_turs	FILE	[EDIT]
📄 sg_unmap	FILE	[EDIT]
📄 sg_verify	FILE	[EDIT]
📄 sg_vpd	FILE	[EDIT]
📄 sg_wr_mode	FILE	[EDIT]
📄 sg_write_buffer	FILE	[EDIT]
📄 sg_write_long	FILE	[EDIT]
📄 sg_write_same	FILE	[EDIT]
📄 sg_write_verify	FILE	[EDIT]
📄 sg_write_x	FILE	[EDIT]
📄 sg_xcopy	FILE	[EDIT]
📄 sg_zone	FILE	[EDIT]
📄 sginfo	FILE	[EDIT]
📄 sgm_dd	FILE	[EDIT]
📄 sgp_dd	FILE	[EDIT]
📄 sh	FILE	[EDIT]
📄 sha1sum	FILE	[EDIT]
📄 sha224sum	FILE	[EDIT]
📄 sha256sum	FILE	[EDIT]
📄 sha384sum	FILE	[EDIT]
📄 sha512sum	FILE	[EDIT]
📄 shasum	FILE	[EDIT]
📄 showconsolefont	FILE	[EDIT]
📄 showkey	FILE	[EDIT]
📄 shred	FILE	[EDIT]
📄 shuf	FILE	[EDIT]
📄 sigtool	FILE	[EDIT]
📄 skill	FILE	[EDIT]
📄 slabtop	FILE	[EDIT]
📄 sleep	FILE	[EDIT]
📄 slogin	FILE	[EDIT]
📄 snap	FILE	[EDIT]
📄 snapctl	FILE	[EDIT]
📄 snapfuse	FILE	[EDIT]
📄 snice	FILE	[EDIT]
📄 soelim	FILE	[EDIT]
📄 sort	FILE	[EDIT]
📄 sos	FILE	[EDIT]
📄 sos-collector	FILE	[EDIT]
📄 sosreport	FILE	[EDIT]
📄 splain	FILE	[EDIT]
📄 split	FILE	[EDIT]
📄 splitfont	FILE	[EDIT]
📄 ss	FILE	[EDIT]
📄 ssh	FILE	[EDIT]
📄 ssh-add	FILE	[EDIT]
📄 ssh-agent	FILE	[EDIT]
📄 ssh-argv0	FILE	[EDIT]
📄 ssh-copy-id	FILE	[EDIT]
📄 ssh-import-id	FILE	[EDIT]
📄 ssh-import-id-gh	FILE	[EDIT]
📄 ssh-import-id-lp	FILE	[EDIT]
📄 ssh-keygen	FILE	[EDIT]
📄 ssh-keyscan	FILE	[EDIT]
📄 stat	FILE	[EDIT]
📄 static-sh	FILE	[EDIT]
📄 stdbuf	FILE	[EDIT]
📄 strace	FILE	[EDIT]
📄 strace-log-merge	FILE	[EDIT]
📄 stty	FILE	[EDIT]
📄 su	FILE	[EDIT]
📄 sudo	FILE	[EDIT]
📄 sudoedit	FILE	[EDIT]
📄 sudoreplay	FILE	[EDIT]
📄 sum	FILE	[EDIT]
📄 supervisorctl	FILE	[EDIT]
📄 supervisord	FILE	[EDIT]
📄 symcryptrun	FILE	[EDIT]
📄 sync	FILE	[EDIT]
📄 systemctl	FILE	[EDIT]
📄 systemd	FILE	[EDIT]
📄 systemd-analyze	FILE	[EDIT]
📄 systemd-ask-password	FILE	[EDIT]
📄 systemd-cat	FILE	[EDIT]
📄 systemd-cgls	FILE	[EDIT]
📄 systemd-cgtop	FILE	[EDIT]
📄 systemd-delta	FILE	[EDIT]
📄 systemd-detect-virt	FILE	[EDIT]
📄 systemd-escape	FILE	[EDIT]
📄 systemd-hwdb	FILE	[EDIT]
📄 systemd-id128	FILE	[EDIT]
📄 systemd-inhibit	FILE	[EDIT]
📄 systemd-machine-id-setup	FILE	[EDIT]
📄 systemd-mount	FILE	[EDIT]
📄 systemd-notify	FILE	[EDIT]
📄 systemd-path	FILE	[EDIT]
📄 systemd-resolve	FILE	[EDIT]
📄 systemd-run	FILE	[EDIT]
📄 systemd-socket-activate	FILE	[EDIT]
📄 systemd-stdio-bridge	FILE	[EDIT]
📄 systemd-sysusers	FILE	[EDIT]
📄 systemd-tmpfiles	FILE	[EDIT]
📄 systemd-tty-ask-password-agent	FILE	[EDIT]
📄 systemd-umount	FILE	[EDIT]
📄 tabs	FILE	[EDIT]
📄 tac	FILE	[EDIT]
📄 tail	FILE	[EDIT]
📄 tar	FILE	[EDIT]
📄 taskset	FILE	[EDIT]
📄 tbl	FILE	[EDIT]
📄 tee	FILE	[EDIT]
📄 telnet	FILE	[EDIT]
📄 telnet.netkit	FILE	[EDIT]
📄 tempfile	FILE	[EDIT]
📄 test	FILE	[EDIT]
📄 testdisk	FILE	[EDIT]
📄 tic	FILE	[EDIT]
📄 time	FILE	[EDIT]
📄 timedatectl	FILE	[EDIT]
📄 timeout	FILE	[EDIT]
📄 tkconch3	FILE	[EDIT]
📄 tload	FILE	[EDIT]
📄 tmux	FILE	[EDIT]
📄 toe	FILE	[EDIT]
📄 top	FILE	[EDIT]
📄 touch	FILE	[EDIT]
📄 tput	FILE	[EDIT]
📄 tr	FILE	[EDIT]
📄 tracepath	FILE	[EDIT]
📄 traceroute6	FILE	[EDIT]
📄 traceroute6.iputils	FILE	[EDIT]
📄 trial3	FILE	[EDIT]
📄 troff	FILE	[EDIT]
📄 true	FILE	[EDIT]
📄 truncate	FILE	[EDIT]
📄 tset	FILE	[EDIT]
📄 tsort	FILE	[EDIT]
📄 tty	FILE	[EDIT]
📄 twist3	FILE	[EDIT]
📄 twistd3	FILE	[EDIT]
📄 tzselect	FILE	[EDIT]
📄 ua	FILE	[EDIT]
📄 ubuntu-advantage	FILE	[EDIT]
📄 ubuntu-bug	FILE	[EDIT]
📄 ubuntu-core-launcher	FILE	[EDIT]
📄 ubuntu-distro-info	FILE	[EDIT]
📄 ubuntu-security-status	FILE	[EDIT]
📄 ucf	FILE	[EDIT]
📄 ucfq	FILE	[EDIT]
📄 ucfr	FILE	[EDIT]
📄 udevadm	FILE	[EDIT]
📄 udisksctl	FILE	[EDIT]
📄 ul	FILE	[EDIT]
📄 ulockmgr_server	FILE	[EDIT]
📄 umount	FILE	[EDIT]
📄 uname	FILE	[EDIT]
📄 unattended-upgrade	FILE	[EDIT]
📄 unattended-upgrades	FILE	[EDIT]
📄 uncompress	FILE	[EDIT]
📄 unexpand	FILE	[EDIT]
📄 unicode_start	FILE	[EDIT]
📄 unicode_stop	FILE	[EDIT]
📄 uniq	FILE	[EDIT]
📄 unlink	FILE	[EDIT]
📄 unlz4	FILE	[EDIT]
📄 unlzma	FILE	[EDIT]
📄 unmkinitramfs	FILE	[EDIT]
📄 unshare	FILE	[EDIT]
📄 unsquashfs	FILE	[EDIT]
📄 unxz	FILE	[EDIT]
📄 unzip	FILE	[EDIT]
📄 unzipsfx	FILE	[EDIT]
📄 update-alternatives	FILE	[EDIT]
📄 update-mime-database	FILE	[EDIT]
📄 uptime	FILE	[EDIT]
📄 usb-devices	FILE	[EDIT]
📄 usbhid-dump	FILE	[EDIT]
📄 usbreset	FILE	[EDIT]
📄 users	FILE	[EDIT]
📄 utmpdump	FILE	[EDIT]
📄 uuidgen	FILE	[EDIT]
📄 uuidparse	FILE	[EDIT]
📄 vcs-run	FILE	[EDIT]
📄 vdir	FILE	[EDIT]
📄 vi	FILE	[EDIT]
📄 view	FILE	[EDIT]
📄 vigpg	FILE	[EDIT]
📄 vim	FILE	[EDIT]
📄 vim.basic	FILE	[EDIT]
📄 vim.tiny	FILE	[EDIT]
📄 vimdiff	FILE	[EDIT]
📄 vimtutor	FILE	[EDIT]
📄 vm-support	FILE	[EDIT]
📄 vmhgfs-fuse	FILE	[EDIT]
📄 vmstat	FILE	[EDIT]
📄 vmtoolsd	FILE	[EDIT]
📄 vmware-alias-import	FILE	[EDIT]
📄 vmware-checkvm	FILE	[EDIT]
📄 vmware-hgfsclient	FILE	[EDIT]
📄 vmware-namespace-cmd	FILE	[EDIT]
📄 vmware-rpctool	FILE	[EDIT]
📄 vmware-toolbox-cmd	FILE	[EDIT]
📄 vmware-vgauth-cmd	FILE	[EDIT]
📄 vmware-vmblock-fuse	FILE	[EDIT]
📄 vmware-xferlogs	FILE	[EDIT]
📄 volname	FILE	[EDIT]
📄 w	FILE	[EDIT]
📄 w.procps	FILE	[EDIT]
📄 wall	FILE	[EDIT]
📄 watch	FILE	[EDIT]
📄 watchgnupg	FILE	[EDIT]
📄 wc	FILE	[EDIT]
📄 wdctl	FILE	[EDIT]
📄 wget	FILE	[EDIT]
📄 whatis	FILE	[EDIT]
📄 whereis	FILE	[EDIT]
📄 which	FILE	[EDIT]
📄 whiptail	FILE	[EDIT]
📄 who	FILE	[EDIT]
📄 whoami	FILE	[EDIT]
📄 whois	FILE	[EDIT]
📄 wifi-status	FILE	[EDIT]
📄 write	FILE	[EDIT]
📄 x86_64	FILE	[EDIT]
📄 xargs	FILE	[EDIT]
📄 xauth	FILE	[EDIT]
📄 xdg-user-dir	FILE	[EDIT]
📄 xdg-user-dirs-update	FILE	[EDIT]
📄 xsubpp	FILE	[EDIT]
📄 xxd	FILE	[EDIT]
📄 xz	FILE	[EDIT]
📄 xzcat	FILE	[EDIT]
📄 xzcmp	FILE	[EDIT]
📄 xzdiff	FILE	[EDIT]
📄 xzegrep	FILE	[EDIT]
📄 xzfgrep	FILE	[EDIT]
📄 xzgrep	FILE	[EDIT]
📄 xzless	FILE	[EDIT]
📄 xzmore	FILE	[EDIT]
📄 yes	FILE	[EDIT]
📄 ypdomainname	FILE	[EDIT]
📄 zcat	FILE	[EDIT]
📄 zcmp	FILE	[EDIT]
📄 zdiff	FILE	[EDIT]
📄 zdump	FILE	[EDIT]
📄 zegrep	FILE	[EDIT]
📄 zfgrep	FILE	[EDIT]
📄 zforce	FILE	[EDIT]
📄 zgrep	FILE	[EDIT]
📄 zip	FILE	[EDIT]
📄 zipcloak	FILE	[EDIT]
📄 zipdetails	FILE	[EDIT]
📄 zipgrep	FILE	[EDIT]
📄 zipinfo	FILE	[EDIT]
📄 zipnote	FILE	[EDIT]
📄 zipsplit	FILE	[EDIT]
📄 zless	FILE	[EDIT]
📄 zmore	FILE	[EDIT]
📄 znew	FILE	[EDIT]