diff options
Diffstat (limited to 'eclass')
| -rw-r--r-- | eclass/verify-sig.eclass | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/eclass/verify-sig.eclass b/eclass/verify-sig.eclass index d16181f3bf0a..a499dd3c6c2a 100644 --- a/eclass/verify-sig.eclass +++ b/eclass/verify-sig.eclass @@ -111,6 +111,42 @@ verify-sig_verify_detached() { die "PGP signature verification failed" } +# @FUNCTION: verify-sig_verify_message +# @USAGE: <file> <output-file> [<key-file>] +# @DESCRIPTION: +# Verify that the file ('-' for stdin) contains a valid, signed PGP +# message and write the message into <output-file> ('-' for stdout). +# <key-file> can either be passed directly, or it defaults +# to VERIFY_SIG_OPENPGP_KEY_PATH. The function dies if verification +# fails. Note that using output from <output-file> is important as it +# prevents the injection of unsigned data. +verify-sig_verify_message() { + local file=${1} + local output_file=${2} + local key=${3:-${VERIFY_SIG_OPENPGP_KEY_PATH}} + + [[ -n ${key} ]] || + die "${FUNCNAME}: no key passed and VERIFY_SIG_OPENPGP_KEY_PATH unset" + + local extra_args=() + [[ ${VERIFY_SIG_OPENPGP_KEY_REFRESH} == yes ]] || extra_args+=( -R ) + [[ -n ${VERIFY_SIG_OPENPGP_KEYSERVER+1} ]] && extra_args+=( + --keyserver "${VERIFY_SIG_OPENPGP_KEYSERVER}" + ) + + # GPG upstream knows better than to follow the spec, so we can't + # override this directory. However, there is a clean fallback + # to GNUPGHOME. + addpredict /run/user + + local filename=${file##*/} + [[ ${file} == - ]] && filename='(stdin)' + einfo "Verifying ${filename} ..." + gemato gpg-wrap -K "${key}" "${extra_args[@]}" -- \ + gpg --verify --output="${output_file}" "${sig}" "${file}" || + die "PGP signature verification failed" +} + # @FUNCTION: verify-sig_src_unpack # @DESCRIPTION: # Default src_unpack override that verifies signatures for all |