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makepkg: Add support for verifying pgp signatures
Many projects provide signature files along with the source code archives. It's good to check these, too, when verifying the integrity of source code archives. Not everybody is using gpg so the verification can be disabled with --skippgpcheck. Additionally, only a warning is displayed when the key that signed the source file is unknown. Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Wieland Hoffmann
Dan McGee
parent
9929a34a6d
commit
94f61c5b29
@ -87,6 +87,9 @@ Options
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*--skipinteg*::
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Do not perform any integrity checks, just print a warning instead.
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*\--skippgpcheck*::
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Do not verify PGP signatures of the source files.
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*-h, \--help*::
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Output syntax and command line options.
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@ -57,6 +57,7 @@ FORCE=0
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INFAKEROOT=0
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GENINTEG=0
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SKIPINTEG=0
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SKIPPGPCHECK=0
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INSTALL=0
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NOBUILD=0
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NODEPS=0
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@ -337,6 +338,16 @@ in_array() {
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return 1 # Not Found
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}
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source_has_signatures(){
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local file
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for file in "${source[@]}"; do
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if [[ $file =~ .*(sig|asc) ]]; then
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return 0
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fi
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done
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return 1
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}
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get_downloadclient() {
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# $1 = URL with valid protocol prefix
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local url=$1
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@ -684,6 +695,74 @@ check_checksums() {
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fi
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}
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check_pgpsigs() {
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(( SKIPPGPCHECK )) && return 0
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! source_has_signatures && return 0
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msg "$(gettext "Verifying source file signatures with %s...")" "gpg"
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local file
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local warning=0
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local errors=0
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local statusfile=$(mktemp)
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for file in "${source[@]}"; do
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file="$(get_filename "$file")"
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if [[ ! $file =~ .*(sig|asc) ]]; then
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continue
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fi
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echo -n " ${file%.*} ... " >&2
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if ! file="$(get_filepath "$file")"; then
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echo "$(gettext "SIGNATURE NOT FOUND")" >&2
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errors=1
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continue
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fi
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if ! sourcefile="$(get_filepath "${file%.*}")"; then
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echo "$(gettext "SOURCE FILE NOT FOUND")" >&2
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errors=1
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continue
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fi
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if ! gpg --quiet --batch --status-file "$statusfile" --verify "$file" "$sourcefile" 2> /dev/null; then
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if grep "NO_PUBKEY" "$statusfile" > /dev/null; then
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echo "$(gettext "Warning: Unknown public key") $(awk '/NO_PUBKEY/ {print $3}' $statusfile)" >&2
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warnings=1
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else
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echo "$(gettext "FAILED")" >&2
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errors=1
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fi
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else
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if grep "REVKEYSIG" "$statusfile" > /dev/null; then
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echo "$(gettext "Passed")" "-" "$(gettext "Warning: the key has been revoked.")" >&2
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errors=1
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elif grep "EXPSIG" "$statusfile" > /dev/null; then
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echo "$(gettext "Passed")" "-" "$(gettext "Warning: the signature has expired.")" >&2
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warnings=1
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elif grep "EXPKEYSIG" "$statusfile" > /dev/null; then
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echo "$(gettext "Passed")" "-" "$(gettext "Warning: the key has expired.")" >&2
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warnings=1
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else
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echo $(gettext "Passed") >&2
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fi
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fi
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done
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rm -f "$statusfile"
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if (( errors )); then
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error "$(gettext "One or more PGP signatures could not be verified!")"
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exit 1
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fi
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if (( warnings )); then
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warning "$(gettext "Warnings have occurred while verifying the signatures.")"
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plain "$(gettext "Please make sure you really trust them.")"
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fi
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}
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extract_sources() {
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msg "$(gettext "Extracting Sources...")"
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local netfile
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@ -1515,6 +1594,14 @@ check_software() {
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fi
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fi
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# gpg - source verification
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if (( ! SKIPPGPCHECK )) && [[ source_has_signatures ]]; then
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if ! type -p gpg >/dev/null; then
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error "$(gettext "Cannot find the %s binary required for verifying source files.")" "gpg"
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ret=1
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fi
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fi
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# openssl - checksum operations
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if (( ! SKIPINTEG )); then
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if ! type -p openssl >/dev/null; then
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@ -1752,6 +1839,7 @@ usage() {
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echo "$(gettext " --pkg <list> Only build listed packages from a split package")"
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printf "$(gettext " --sign Sign the resulting package with %s")\n" "gpg"
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echo "$(gettext " --skipinteg Do not fail when integrity checks are missing")"
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echo "$(gettext " --skippgpcheck Do not verify source files with pgp signatures")"
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echo "$(gettext " --source Generate a source-only tarball without downloaded sources")"
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echo
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printf "$(gettext "These options can be passed to %s:")\n" "pacman"
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@ -1786,9 +1874,9 @@ ARGLIST=("$@")
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# Parse Command Line Options.
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OPT_SHORT="AcdefFghiLmop:rRsV"
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OPT_LONG="allsource,asroot,ignorearch,check,clean,nodeps"
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OPT_LONG+=",noextract,force,forcever:,geninteg,help,holdver"
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OPT_LONG+=",noextract,force,forcever:,geninteg,help,holdver,skippgpcheck"
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OPT_LONG+=",install,key:,log,nocolor,nobuild,nocheck,nosign,pkg:,rmdeps"
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OPT_LONG+=",repackage,skipinteg,sign,source,syncdeps,version,config:"
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OPT_LONG+=",repackage,skipinteg,skippgpcheck,sign,source,syncdeps,version,config:"
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# Pacman Options
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OPT_LONG+=",noconfirm,noprogressbar"
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if ! OPT_TEMP="$(parse_options $OPT_SHORT $OPT_LONG "$@")"; then
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@ -1830,6 +1918,7 @@ while true; do
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-r|--rmdeps) RMDEPS=1 ;;
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-R|--repackage) REPKG=1 ;;
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--skipinteg) SKIPINTEG=1 ;;
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--skippgpcheck) SKIPPGPCHECK=1;;
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--sign) SIGNPKG='y' ;;
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--source) SOURCEONLY=1 ;;
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-s|--syncdeps) DEP_BIN=1 ;;
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@ -2156,6 +2245,7 @@ if (( SOURCEONLY )); then
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if (( ! SKIPINTEG )); then
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# We can only check checksums if we have all files.
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check_checksums
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check_pgpsigs
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else
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warning "$(gettext "Skipping integrity checks.")"
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fi
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@ -2234,6 +2324,7 @@ else
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download_sources
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if (( ! SKIPINTEG )); then
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check_checksums
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check_pgpsigs
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else
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warning "$(gettext "Skipping integrity checks.")"
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fi
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