diff options
Diffstat (limited to 'cmdline/apt-key.in')
| -rw-r--r-- | cmdline/apt-key.in | 105 |
1 files changed, 77 insertions, 28 deletions
diff --git a/cmdline/apt-key.in b/cmdline/apt-key.in index 36824b6ec..9259fac0d 100644 --- a/cmdline/apt-key.in +++ b/cmdline/apt-key.in @@ -14,7 +14,6 @@ REMOVED_KEYS='&keyring-removed-filename;' eval $(apt-config shell REMOVED_KEYS APT::Key::RemovedKeys) ARCHIVE_KEYRING_URI='&keyring-uri;' eval $(apt-config shell ARCHIVE_KEYRING_URI APT::Key::ArchiveKeyringURI) -TMP_KEYRING=${APT_DIR}/var/lib/apt/keyrings/maybe-import-keyring.gpg aptkey_echo() { echo "$@"; } @@ -68,24 +67,28 @@ add_keys_with_verify_against_master_keyring() { fi done done - + for add_key in $add_keys; do # export the add keyring one-by-one - rm -f $TMP_KEYRING - $GPG_CMD --keyring $ADD_KEYRING --output $TMP_KEYRING --export $add_key - # check if signed with the master key and only add in this case - ADDED=0 + local TMP_KEYRING="${GPGHOMEDIR}/tmp-keyring.gpg" + $GPG_CMD --batch --yes --keyring "$ADD_KEYRING" --output "$TMP_KEYRING" --export "$add_key" + if ! $GPG_CMD --batch --yes --keyring "$TMP_KEYRING" --import "$MASTER" > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then + cat "${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 $GPG_CMD --keyring $MASTER --keyring $TMP_KEYRING --check-sigs --with-colons $add_key | grep '^sig:!:' | cut -d: -f5 | grep -q $master_key; then - $GPG --import $TMP_KEYRING + if $GPG_CMD --keyring $TMP_KEYRING --check-sigs --with-colons $add_key | grep '^sig:!:' | cut -d: -f5 | grep -q $master_key; then + $GPG_CMD --batch --yes --keyring "$ADD_KEYRING" --export "$add_key" | $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 - rm -f $TMP_KEYRING } # update the current archive signing keyring from a network URI @@ -240,26 +243,75 @@ fingerprint_keys_from_keyring() { import_keys_from_keyring() { local IMPORT="$1" local KEYRINGFILE="$2" - $GPG_CMD --keyring "$KEYRINGFILE" --batch --import "$IMPORT" >/dev/null 2>&1 + if ! $GPG_CMD --keyring "$KEYRINGFILE" --batch --import "$IMPORT" > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then + cat "${GPGHOMEDIR}/gpgoutput.log" + false + fi +} + +merge_keys_into_keyrings() { + local KEYRINGFILE="$1" + local IMPORT="$2" + if ! $GPG_CMD --keyring "$KEYRINGFILE" --batch --import --import-options 'merge-only' "$IMPORT" > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then + cat "${GPGHOMEDIR}/gpgoutput.log" + false + fi +} + +merge_back_changes() { + if [ -n "$FORCED_KEYRING" ]; then + # if the keyring was forced merge is already done + return + fi + if [ -s "${GPGHOMEDIR}/pubring.gpg" ]; then + # merge all updated keys + foreach_keyring_do 'merge_keys_into_keyrings' "${GPGHOMEDIR}/pubring.gpg" + fi + # no 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" + #echo >&2 "MERGE BACK" + sort "${GPGHOMEDIR}/pubring.keylst" "${GPGHOMEDIR}/pubring.orig.keylst" | uniq --unique | while read key; do + if grep -q "^${key}$" "${GPGHOMEDIR}/pubring.orig.keylst"; then + # key isn't part of new keyring, so remove + foreach_keyring_do 'remove_key_from_keyring' "$key" + elif grep -q "^${key}$" "${GPGHOMEDIR}/pubring.keylst"; then + # key is part of new keyring, so we need to import it + create_new_keyring "$TRUSTEDFILE" + if ! $GPG --batch --yes --export "$key" | $GPG_CMD --keyring "$TRUSTEDFILE" --batch --yes --import > "${GPGHOMEDIR}/gpgoutput.log" 2>&1; then + cat "${GPGHOMEDIR}/gpgoutput.log" + false + fi + else + echo >&2 "Errror: Key ${key} (dis)appeared out of nowhere" + fi + done } setup_merged_keyring() { if [ -z "$FORCED_KEYRING" ]; then - local TRUSTEDFILE_BAK="$TRUSTEDFILE" - TRUSTEDFILE='/dev/null' foreach_keyring_do 'import_keys_from_keyring' "${GPGHOMEDIR}/pubring.gpg" - TRUSTEDFILE="$TRUSTEDFILE_BAK" - # mark it as non-writeable so users get errors if gnupg tries to modify it - if [ -s "${GPGHOMEDIR}/pubring.gpg" ]; then - chmod -w "${GPGHOMEDIR}/pubring.gpg" - GPG="$GPG --keyring ${GPGHOMEDIR}/pubring.gpg" + if [ -r "${GPGHOMEDIR}/pubring.gpg" ]; then + cp -a "${GPGHOMEDIR}/pubring.gpg" "${GPGHOMEDIR}/pubring.orig.gpg" + else + touch "${GPGHOMEDIR}/pubring.gpg" "${GPGHOMEDIR}/pubring.orig.gpg" fi - fi - if [ -r "$TRUSTEDFILE" ]; then - GPG="$GPG --keyring $TRUSTEDFILE --primary-keyring $TRUSTEDFILE" + GPG="$GPG --keyring ${GPGHOMEDIR}/pubring.gpg" + else + GPG="$GPG --keyring $TRUSTEDFILE" + create_new_keyring "$TRUSTEDFILE" fi } +create_new_keyring() { + # gpg defaults to mode 0600 for new keyrings. Create one with 0644 instead. + if ! [ -e "$TRUSTEDFILE" ]; then + if [ -w "$(dirname "$TRUSTEDFILE")" ]; then + touch -- "$TRUSTEDFILE" + chmod 0644 -- "$TRUSTEDFILE" + fi + fi +} usage() { echo "Usage: apt-key [--keyring file] [command] [arguments]" @@ -365,14 +417,6 @@ if [ "$command" != "help" ]; then rm -f "$SECRETKEYRING" cp -a "$FORCED_SECRET_KEYRING" "$SECRETKEYRING" fi - - # gpg defaults to mode 0600 for new keyrings. Create one with 0644 instead. - if ! [ -e "$TRUSTEDFILE" ]; then - if [ -w "$(dirname "$TRUSTEDFILE")" ]; then - touch -- "$TRUSTEDFILE" - chmod 0644 -- "$TRUSTEDFILE" - fi - fi fi case "$command" in @@ -380,22 +424,26 @@ case "$command" in requires_root setup_merged_keyring $GPG --quiet --batch --import "$@" + merge_back_changes aptkey_echo "OK" ;; del|rm|remove) requires_root foreach_keyring_do 'remove_key_from_keyring' "$@" + merge_back_changes aptkey_echo "OK" ;; update) requires_root setup_merged_keyring update + merge_back_changes ;; net-update) requires_root setup_merged_keyring net_update + merge_back_changes ;; list) foreach_keyring_do 'list_keys_from_keyring' "$@" @@ -411,6 +459,7 @@ case "$command" in setup_merged_keyring aptkey_echo "Executing: $GPG $*" $GPG "$@" + merge_back_changes ;; help) usage |