diff options
Diffstat (limited to 'eclass')
| -rw-r--r-- | eclass/verify-sig.eclass | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/eclass/verify-sig.eclass b/eclass/verify-sig.eclass index a499dd3c6c2a..e3ef7f240283 100644 --- a/eclass/verify-sig.eclass +++ b/eclass/verify-sig.eclass @@ -143,10 +143,63 @@ verify-sig_verify_message() { [[ ${file} == - ]] && filename='(stdin)' einfo "Verifying ${filename} ..." gemato gpg-wrap -K "${key}" "${extra_args[@]}" -- \ - gpg --verify --output="${output_file}" "${sig}" "${file}" || + gpg --verify --output="${output_file}" "${file}" || die "PGP signature verification failed" } +# @FUNCTION: verify-sig_verify_signed_checksums +# @USAGE: <checksum-file> <algo> <files> [<key-file>] +# @DESCRIPTION: +# Verify the checksums for all files listed in the space-separated list +# <files> (akin to ${A}) using a PGP-signed <checksum-file>. <algo> +# specified the checksum algorithm (e.g. sha256). <key-file> can either +# be passed directly, or it defaults to VERIFY_SIG_OPENPGP_KEY_PATH. +# +# The function dies if PGP verification fails, the checksum file +# contains unsigned data, one of the files do not match checksums +# or are missing from the checksum file. +verify-sig_verify_signed_checksums() { + local checksum_file=${1} + local algo=${2} + local files=() + read -r -d '' -a files <<<"${3}" + local key=${4:-${VERIFY_SIG_OPENPGP_KEY_PATH}} + + local chksum_prog chksum_len + case ${algo} in + sha256) + chksum_prog=sha256sum + chksum_len=64 + ;; + *) + die "${FUNCNAME}: unknown checksum algo ${algo}" + ;; + esac + + [[ -n ${key} ]] || + die "${FUNCNAME}: no key passed and VERIFY_SIG_OPENPGP_KEY_PATH unset" + + local checksum filename junk ret=0 count=0 + while read -r checksum filename junk; do + [[ ${#checksum} -eq ${chksum_len} ]] || continue + [[ -z ${checksum//[0-9a-f]} ]] || continue + has "${filename}" "${files[@]}" || continue + [[ -z ${junk} ]] || continue + + "${chksum_prog}" -c --strict - <<<"${checksum} ${filename}" + if [[ ${?} -eq 0 ]]; then + (( count++ )) + else + ret=1 + fi + done < <(verify-sig_verify_message "${checksum_file}" - "${key}") + + [[ ${ret} -eq 0 ]] || + die "${FUNCNAME}: at least one file did not verify successfully" + [[ ${count} -eq ${#files[@]} ]] || + die "${FUNCNAME}: checksums for some of the specified files were missing" +} + # @FUNCTION: verify-sig_src_unpack # @DESCRIPTION: # Default src_unpack override that verifies signatures for all |