X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/031a3f254a2a73b2843ead28a2481b63ec1d7244..2ed62ba6abcad809d1898a40950f86217af73812:/cmdline/apt-key.in diff --git a/cmdline/apt-key.in b/cmdline/apt-key.in index 3ed2a70ce..21df37ffd 100644 --- a/cmdline/apt-key.in +++ b/cmdline/apt-key.in @@ -23,6 +23,7 @@ requires_root() { } 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" @@ -155,6 +156,13 @@ net_update() { } 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 "$ARCHIVE_KEYRING" ]; then echo >&2 "ERROR: Can't find the archive-keyring" echo >&2 "Is the &keyring-package; package installed?" @@ -192,8 +200,8 @@ remove_key_from_keyring() { local FINGERPRINTS="${GPGHOMEDIR}/keyringfile.keylst" get_fingerprints_of_keyring "$KEYRINGFILE" > "$FINGERPRINTS" - # strip leading 0x, if present: - KEY="${KEY#0x}" + # strip leading 0x, if present: + KEY="$(echo "${KEY#0x}" | tr -d ' ')" # check if the key is in this keyring if ! grep -iq "^[0-9A-F]*${KEY}$" "$FINGERPRINTS"; then @@ -238,12 +246,9 @@ foreach_keyring_do() { local TRUSTEDPARTS="/etc/apt/trusted.gpg.d" eval "$(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)" if [ -d "$TRUSTEDPARTS" ]; then - # strip / suffix as gpg will double-slash in that case (#665411) - local STRIPPED_TRUSTEDPARTS="${TRUSTEDPARTS%/}" - if [ "${STRIPPED_TRUSTEDPARTS}/" = "$TRUSTEDPARTS" ]; then - TRUSTEDPARTS="$STRIPPED_TRUSTEDPARTS" - fi - for trusted in $(find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 -regex '^.*\.gpg$' | sort); do + TRUSTEDPARTS="$(readlink -f "$TRUSTEDPARTS")" + local TRUSTEDPARTSLIST="$(cd /; find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 -name '*.gpg')" + for trusted in $(echo "$TRUSTEDPARTSLIST" | sort); do if [ -s "$trusted" ]; then $ACTION "$trusted" "$@" fi @@ -301,7 +306,7 @@ merge_all_trusted_keyrings_into_pubring() { # does the same as: # foreach_keyring_do 'import_keys_from_keyring' "${GPGHOMEDIR}/pubring.gpg" # but without using gpg, just cat and find - local PUBRING="${GPGHOMEDIR}/pubring.gpg" + local PUBRING="$(readlink -f "${GPGHOMEDIR}")/pubring.gpg" # if a --keyring was given, just use this one if [ -n "$FORCED_KEYRING" ]; then if [ -s "$FORCED_KEYRING" ]; then @@ -312,13 +317,12 @@ merge_all_trusted_keyrings_into_pubring() { local TRUSTEDPARTS="/etc/apt/trusted.gpg.d" eval $(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d) if [ -d "$TRUSTEDPARTS" ]; then - # ignore errors mostly for non-existing $TRUSTEDFILE - { - cat "$TRUSTEDFILE" || true - for parts in $(find -L "$TRUSTEDPARTS" -type f -name '*.gpg'); do - cat "$parts" || true - done - } > "$PUBRING" 2>/dev/null + rm -f "$PUBRING" + if [ -s "$TRUSTEDFILE" ]; then + cat "$TRUSTEDFILE" > "$PUBRING" + fi + TRUSTEDPARTS="$(readlink -f "$TRUSTEDPARTS")" + (cd /; find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 -name '*.gpg' -exec cat {} + >> "$PUBRING";) elif [ -s "$TRUSTEDFILE" ]; then cp --dereference "$TRUSTEDFILE" "$PUBRING" fi @@ -476,6 +480,14 @@ if [ -z "$command" ]; then fi shift +cleanup_gpg_home() { + if [ -z "$GPGHOMEDIR" ]; then return; fi + if command_available 'gpgconf'; then + GNUPGHOME="${GPGHOMEDIR}" gpgconf --kill gpg-agent >/dev/null 2>&1 || true + fi + rm -rf "$GPGHOMEDIR" +} + create_gpg_home() { # gpg needs (in different versions more or less) files to function correctly, # so we give it its own homedir and generate some valid content for it later on @@ -487,23 +499,42 @@ create_gpg_home() { fi fi GPGHOMEDIR="$(mktemp -d)" - CURRENTTRAP="${CURRENTTRAP} rm -rf '$(escape_shell "${GPGHOMEDIR}")';" + CURRENTTRAP="${CURRENTTRAP} cleanup_gpg_home;" trap "${CURRENTTRAP}" 0 HUP INT QUIT ILL ABRT FPE SEGV PIPE TERM + if [ -z "$GPGHOMEDIR" ]; then + echo "ERROR: Could not create temporary gpg home directory in apt-key ($TMPDIR)" + exit 28 + fi chmod 700 "$GPGHOMEDIR" } 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 <&2 "Error: gnupg or gnupg2 do not seem to be installed," - echo >&2 "Error: but apt-key requires gnupg or gnupg2 for this operation." + echo >&2 "Error: gnupg, gnupg2 and gnupg1 do not seem to be installed," + echo >&2 "Error: but apt-key requires gnupg, gnupg2 or gnupg1 for this operation." echo >&2 exit 255 fi @@ -544,12 +575,25 @@ exec '$(escape_shell "${GPG_EXE}")' --ignore-time-conflict --no-options --no-def 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 "$GPG" --quiet --batch --import "$@" @@ -557,11 +601,13 @@ case "$command" in aptkey_echo "OK" ;; del|rm|remove) + # no script warning here as removing 'add' usage needs 'del' for cleanup requires_root foreach_keyring_do 'remove_key_from_keyring' "$@" aptkey_echo "OK" ;; update) + warn_on_script_usage requires_root setup_merged_keyring update @@ -573,17 +619,17 @@ case "$command" in net_update merge_back_changes ;; - list) - foreach_keyring_do 'run_cmd_on_keyring' --list-keys "$@" - ;; - finger*) + list|finger*) + warn_on_script_usage foreach_keyring_do 'run_cmd_on_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" "$@" @@ -595,8 +641,9 @@ case "$command" in 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 - echo >&2 'ERROR: gpgv or gpgv2 required for verification' + echo >&2 'ERROR: gpgv, gpgv2 or gpgv1 required for verification' exit 29 fi # for a forced keyid we need gpg --export, so full wrapping required