A git repository is marked as signed if it contains the query "signed" as defined by https://tools.ietf.org/html/rfc3986 Adds two utility functions in util/source.sh.in to extract fragments and queries, and modifies source/git.sh.in to use them. Signed-off-by: Eli Schwartz <eschwartz93@gmail.com> --- .../libmakepkg/integrity/verify_signature.sh.in | 53 ++++++++++++++++++++-- scripts/libmakepkg/source/git.sh.in | 11 ++--- scripts/libmakepkg/util/source.sh.in | 27 +++++++++++ 3 files changed, 79 insertions(+), 12 deletions(-) diff --git a/scripts/libmakepkg/integrity/verify_signature.sh.in b/scripts/libmakepkg/integrity/verify_signature.sh.in index 6ffc6df4..7cce58ee 100644 --- a/scripts/libmakepkg/integrity/verify_signature.sh.in +++ b/scripts/libmakepkg/integrity/verify_signature.sh.in @@ -32,7 +32,7 @@ check_pgpsigs() { msg "$(gettext "Verifying source file signatures with %s...")" "gpg" - local netfile pubkey success status fingerprint trusted + local netfile proto pubkey success status fingerprint trusted local warning=0 local errors=0 local statusfile=$(mktemp) @@ -47,7 +47,13 @@ check_pgpsigs() { ;; esac for netfile in "${all_sources[@]}"; do - verify_file_signature "$netfile" "$statusfile" || continue + proto="$(get_protocol "$netfile")" + + if [[ $proto = git* ]]; then + verify_git_signature "$netfile" "$statusfile" || continue + else + verify_file_signature "$netfile" "$statusfile" || continue + fi # these variables are assigned values in parse_gpg_statusfile success=0 @@ -153,6 +159,42 @@ verify_file_signature() { $decompress < "$sourcefile" | gpg --quiet --batch --status-file "$statusfile" --verify "$file" - 2> /dev/null } +verify_git_signature() { + local netfile=$1 statusfile=$2 + local dir fragment query fragtype fragval + + dir=$(get_filepath "$netfile") + fragment=$(get_uri_fragment "$netfile") + query=$(get_uri_query "$netfile") + + if [[ $query != signed ]]; then + return 1 + fi + + case ${fragment%%=*} in + tag) + fragtype=tag + fragval=${fragment##*=} + ;; + commit|branch) + fragtype=commit + fragval=${fragment##*=} + ;; + '') + fragtype=commit + fragval=HEAD + esac + + printf " %s git repo ... " "${dir##*/}" >&2 + + git -C "$dir" verify-$fragtype --raw "$fragval" > "$statusfile" 2>&1 + if ! grep -qs NEWSIG "$statusfile"; then + printf '%s\n' "$(gettext "SIGNATURE NOT FOUND")" >&2 + errors=1 + return 1 + fi +} + parse_gpg_statusfile() { local type arg1 arg6 arg10 @@ -212,11 +254,14 @@ parse_gpg_statusfile() { } source_has_signatures() { - local file all_sources + local file all_sources proto get_all_sources_for_arch 'all_sources' for file in "${all_sources[@]}"; do - if [[ ${file%%::*} = *.@(sig?(n)|asc) ]]; then + proto="$(get_protocol "$file")" + query=$(get_uri_query "$netfile") + + if [[ ${file%%::*} = *.@(sig?(n)|asc) || ( $proto = git* && $query = signed ) ]]; then return 0 fi done diff --git a/scripts/libmakepkg/source/git.sh.in b/scripts/libmakepkg/source/git.sh.in index cc27663d..3d370dbd 100644 --- a/scripts/libmakepkg/source/git.sh.in +++ b/scripts/libmakepkg/source/git.sh.in @@ -39,6 +39,7 @@ download_git() { local url=$(get_url "$netfile") url=${url#git+} url=${url%%#*} + url=${url%%\?*} if [[ ! -d "$dir" ]] || dir_is_empty "$dir" ; then msg2 "$(gettext "Cloning %s %s repo...")" "${repo}" "git" @@ -66,14 +67,8 @@ download_git() { extract_git() { local netfile=$1 - local fragment=${netfile#*#} - if [[ $fragment = "$netfile" ]]; then - unset fragment - fi - - local repo=${netfile##*/} - repo=${repo%%#*} - repo=${repo%%.git*} + local fragment=$(get_uri_fragment "$netfile") + local repo=$(get_filename "$netfile") local dir=$(get_filepath "$netfile") [[ -z "$dir" ]] && dir="$SRCDEST/$(get_filename "$netfile")" diff --git a/scripts/libmakepkg/util/source.sh.in b/scripts/libmakepkg/util/source.sh.in index 9d4ba4a6..bbe3e927 100644 --- a/scripts/libmakepkg/util/source.sh.in +++ b/scripts/libmakepkg/util/source.sh.in @@ -65,6 +65,7 @@ get_filename() { case $proto in bzr*|git*|hg*|svn*) filename=${netfile%%#*} + filename=${filename%%\?*} filename=${filename%/} filename=${filename##*/} if [[ $proto = bzr* ]]; then @@ -111,6 +112,32 @@ get_filepath() { printf "%s\n" "$file" } +# extract the VCS revision/branch specifier from a source entry +get_uri_fragment() { + local netfile=$1 + + local fragment=${netfile#*#} + if [[ $fragment = "$netfile" ]]; then + unset fragment + fi + fragment=${fragment%\?*} + + printf "%s\n" "$fragment" +} + +# extract the VCS "signed" status from a source entry +get_uri_query() { + local netfile=$1 + + local query=${netfile#*\?} + if [[ $query = "$netfile" ]]; then + unset query + fi + query=${query%#*} + + printf "%s\n" "$query" +} + get_downloadclient() { local proto=$1 -- 2.11.0