forked from kiss-community/kiss
kiss: sha changes
1. Now supports multiple input files. Reduces calls/subshells to sha utilities to once per list of files. 2. Errors from sha utilities are now shown rather than hidden. 3. Made sha command detection a startup thing. Made 2. possible. 4. Updated callers of sha256 to give all files at once (except for one last TODO). 5. Remove find/sort/whatever from pkg_etcsums.
This commit is contained in:
Dylan Araps
parent
8574d3ed4a
commit
e62a239fb3
116
kiss
116
kiss
@ -181,20 +181,38 @@ sh256() {
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# All utilities must match 'sha256sum' output.
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#
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# Example: '<checksum> <file>'
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unset hash
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if [ ! -d "$1" ] && [ -e "$1" ]; then
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hash=$(
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openssl dgst -sha256 -r "$1" ||
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sha256sum "$1" ||
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sha256 -r "$1" ||
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shasum -a 256 "$1" ||
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digest -a sha256 "$1"
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) 2>/dev/null || die "Failed to generate checksums for '$1'"
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# Filter out directories and anything which does not exist.
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for f do shift
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[ -d "$f" ] || [ ! -e "$f" ] || set -- "$@" "$f"
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done
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hash=${hash%% *}
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printf '%s\n' "$hash"
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fi
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# Set the arguments based on found sha256 utility.
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case ${cmd_sha##*/} in
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openssl) set -- dgst -sha256 -r "$@" ;;
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sha256) set -- -r "$@" ;;
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shasum) set -- -a 256 "$@" ;;
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digest) set -- -a sha256 "$@" ;;
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esac
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# This is now one call to the checksums command rather than
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# one per file. We also display errors now rather than not
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# (due to old runtime detection method).
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hash=$("$cmd_sha" "$@") || die "Failed to generate checksums"
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# Intentional, globbing disabled.
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# shellcheck disable=2046,2086
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set -- $hash
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# As the output is '<hash> <file>' and the above list is
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# split on whitespace; we need to pop every 2nd element.
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for sum do case ${_i:-0} in
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0) _i=1; set -- "$@" "$sum" ;;
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1) _i=0
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esac; shift; done
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printf '%s\n' "$@"
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hash=$*
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}
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pkg_lint() {
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@ -584,8 +602,6 @@ pkg_fix_deps() {
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# dependencies pulled in by the package's build suite.
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log "$1" "looking for dependencies (using ${cmd_elf##*/})"
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cd "$pkg_dir/$1/$pkg_db/$1"
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tmp_file_copy "$1" depends depends
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tmp_file "$1" depends-fixed
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@ -734,15 +750,17 @@ pkg_manifest_replace() {
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pkg_etcsums() {
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# Generate checksums for each configuration file in the package's /etc/
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# directory for use in "smart" handling of these files.
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log "$1" "Generating etcsums"
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log "$repo_name" "Generating etcsums"
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! [ -d "$pkg_dir/$1/etc" ] ||
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# Minor optimization - skip packages without /etc/.
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[ -d "$pkg_dir/$repo_name/etc" ] || return 0
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# This can't be a simple 'find -exec' as 'sh256' is a shell function
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# and not a real command of any kind. This is the shell equivalent.
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find "$pkg_dir/$1/etc" ! -type d | sort | while read -r line; do
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sh256 "$line"
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done > "$pkg_dir/$1/$pkg_db/$1/etcsums"
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# Create a list of all files in etc but do it in reverse.
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while read -r etc; do case $etc in /etc/*[!/])
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set -- "$pkg_dir/$repo_name/$etc" "$@"
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esac done < manifest
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sh256 "$@" > etcsums
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}
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pkg_tar() {
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@ -854,8 +872,11 @@ pkg_build_all() {
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pkg_build "$pkg"
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pkg_manifest "$pkg"
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pkg_strip "$pkg"
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cd "$pkg_dir/$pkg/$pkg_db/$pkg"
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pkg_fix_deps "$pkg"
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pkg_etcsums "$pkg"
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pkg_etcsums
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pkg_tar "$pkg"
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if [ "$pkg_update" ] || ! contains "$explicit" "$pkg"; then
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@ -943,20 +964,16 @@ pkg_build() {
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pkg_checksums() {
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# Generate checksums for packages.
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#
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# NOTE: repo_dir comes from caller.
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unset _hash
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# NOTE: repo_ comes from caller.
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while read -r src dest || [ "$src" ]; do
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pkg_source_resolve "$1" "$src" "$dest" >/dev/null
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pkg_source_resolve "$repo_name" "$src" "$dest" >/dev/null
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case $_res in */*[!.])
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sh256 "$_res"
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# Store the generated checksums in a string for use internally
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# without the need for subshells.
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_hash="$_hash${_hash:+"$newline"}$hash"
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set -- "$@" "$_res"
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esac
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done < "$repo_dir/sources" || die "$1" "Failed to generate checksums"
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done < "$repo_dir/sources"
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sh256 "$@"
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}
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pkg_verify() {
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@ -964,14 +981,14 @@ pkg_verify() {
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# of checksums and then comparing those with the old set.
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#
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# NOTE: repo_dir comes from caller.
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log "$1" "Verifying sources"
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log "$repo_name" "Verifying sources"
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# Generate a new set of checksums to compare against.
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pkg_checksums "$1" > /dev/null
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pkg_checksums >/dev/null
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# Intentional, globbing disabled.
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# shellcheck disable=2038,2086
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set -- $_hash
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set -- $hash
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# Only read checksums if we generated some.
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! [ "$1" ] ||
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@ -983,7 +1000,7 @@ pkg_verify() {
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case $1-${chk:-null} in
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"$chk-$1"|"$1-SKIP") ;;
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"$_hash"-*|*) die "$repo_name" "Checksum mismatch"
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"$hash"-*|*) die "$repo_name" "Checksum mismatch"
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esac
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shift "$(($# != 0))"
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@ -1210,6 +1227,7 @@ pkg_remove_files() {
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# functions allows us to stop duplicating code.
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while read -r file; do
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case $file in /etc/?*[!/])
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# TODO: One call to sh256 for all etc files.
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sh256 "$KISS_ROOT/$file" >/dev/null
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grep -qF "${hash:-null}" "$1" || {
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@ -1248,15 +1266,10 @@ pkg_remove_files() {
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pkg_etc() {
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_etc_cnt=$((_etc_cnt + 1))
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# Generate checksums from tarball.
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sh256 "$tar_dir/$_pkg$1" >/dev/null
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sum_new=$hash
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sh256 "$tar_dir/$_pkg$1" "$KISS_ROOT$1" >/dev/null
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# Generate checksums from system.
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sh256 "$KISS_ROOT$1" >/dev/null
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sum_sys=$hash
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# Extract checksums from system etcsums.
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sum_new=${hash%% *}
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sum_sys=${hash#* }
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sum_old=$(awk "NR == $_etc_cnt" "$2") >/dev/null 2>&1 ||:
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# Compare the three checksums to determine what to do.
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@ -1734,15 +1747,15 @@ args() {
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[ -f "$repo_dir/sources" ] || continue
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pkg_checksums "$pkg"
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pkg_checksums
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case $_hash in
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case $hash in
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'')
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log "$pkg" "No sources needing checksums"
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;;
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*)
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printf '%s\n' "$_hash" > "$repo_dir/checksums"
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printf '%s\n' "$hash" > "$repo_dir/checksums"
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log "$pkg" "Generated checksums"
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;;
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esac
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@ -1882,6 +1895,15 @@ main() {
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command -v llvm-readelf
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)"} || cmd_elf=ldd
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# Figure out which sha256 utility is available.
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cmd_sha=$(
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command -v openssl ||
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command -v sha256sum ||
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command -v sha256 ||
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command -v shasum ||
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command -v digest
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) || die "No sha256 utility found"
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# Store the date and time of script invocation to be used as the name of
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# the log files the package manager creates uring builds.
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time=$(date +%Y-%m-%d-%H:%M)
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