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authorWieland Hoffmann <themineo@googlemail.com>2011-07-06 13:02:19 +0200
committerDan McGee <dan@archlinux.org>2011-07-27 12:47:06 -0500
commit94f61c5b29274df164b01105165945e445289ae7 (patch)
treecd28e798ba6ee9198ceaf0edbf2336cb1a1c9ab6
parent9929a34a6d493c94bd176b66198bdbd734678043 (diff)
downloadpacman-94f61c5b29274df164b01105165945e445289ae7.tar.xz
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>
-rw-r--r--doc/makepkg.8.txt3
-rw-r--r--scripts/makepkg.sh.in95
2 files changed, 96 insertions, 2 deletions
diff --git a/doc/makepkg.8.txt b/doc/makepkg.8.txt
index ffc01cd5..57c1f899 100644
--- a/doc/makepkg.8.txt
+++ b/doc/makepkg.8.txt
@@ -87,6 +87,9 @@ Options
*--skipinteg*::
Do not perform any integrity checks, just print a warning instead.
+*\--skippgpcheck*::
+ Do not verify PGP signatures of the source files.
+
*-h, \--help*::
Output syntax and command line options.
diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index e2cee36b..b3cf9b80 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -57,6 +57,7 @@ FORCE=0
INFAKEROOT=0
GENINTEG=0
SKIPINTEG=0
+SKIPPGPCHECK=0
INSTALL=0
NOBUILD=0
NODEPS=0
@@ -337,6 +338,16 @@ in_array() {
return 1 # Not Found
}
+source_has_signatures(){
+ local file
+ for file in "${source[@]}"; do
+ if [[ $file =~ .*(sig|asc) ]]; then
+ return 0
+ fi
+ done
+ return 1
+}
+
get_downloadclient() {
# $1 = URL with valid protocol prefix
local url=$1
@@ -684,6 +695,74 @@ check_checksums() {
fi
}
+check_pgpsigs() {
+ (( SKIPPGPCHECK )) && return 0
+ ! source_has_signatures && return 0
+
+ msg "$(gettext "Verifying source file signatures with %s...")" "gpg"
+
+ local file
+ local warning=0
+ local errors=0
+ local statusfile=$(mktemp)
+
+ for file in "${source[@]}"; do
+ file="$(get_filename "$file")"
+ if [[ ! $file =~ .*(sig|asc) ]]; then
+ continue
+ fi
+
+ echo -n " ${file%.*} ... " >&2
+
+ if ! file="$(get_filepath "$file")"; then
+ echo "$(gettext "SIGNATURE NOT FOUND")" >&2
+ errors=1
+ continue
+ fi
+
+ if ! sourcefile="$(get_filepath "${file%.*}")"; then
+ echo "$(gettext "SOURCE FILE NOT FOUND")" >&2
+ errors=1
+ continue
+ fi
+
+ if ! gpg --quiet --batch --status-file "$statusfile" --verify "$file" "$sourcefile" 2> /dev/null; then
+ if grep "NO_PUBKEY" "$statusfile" > /dev/null; then
+ echo "$(gettext "Warning: Unknown public key") $(awk '/NO_PUBKEY/ {print $3}' $statusfile)" >&2
+ warnings=1
+ else
+ echo "$(gettext "FAILED")" >&2
+ errors=1
+ fi
+ else
+ if grep "REVKEYSIG" "$statusfile" > /dev/null; then
+ echo "$(gettext "Passed")" "-" "$(gettext "Warning: the key has been revoked.")" >&2
+ errors=1
+ elif grep "EXPSIG" "$statusfile" > /dev/null; then
+ echo "$(gettext "Passed")" "-" "$(gettext "Warning: the signature has expired.")" >&2
+ warnings=1
+ elif grep "EXPKEYSIG" "$statusfile" > /dev/null; then
+ echo "$(gettext "Passed")" "-" "$(gettext "Warning: the key has expired.")" >&2
+ warnings=1
+ else
+ echo $(gettext "Passed") >&2
+ fi
+ fi
+ done
+
+ rm -f "$statusfile"
+
+ if (( errors )); then
+ error "$(gettext "One or more PGP signatures could not be verified!")"
+ exit 1
+ fi
+
+ if (( warnings )); then
+ warning "$(gettext "Warnings have occurred while verifying the signatures.")"
+ plain "$(gettext "Please make sure you really trust them.")"
+ fi
+}
+
extract_sources() {
msg "$(gettext "Extracting Sources...")"
local netfile
@@ -1515,6 +1594,14 @@ check_software() {
fi
fi
+ # gpg - source verification
+ if (( ! SKIPPGPCHECK )) && [[ source_has_signatures ]]; then
+ if ! type -p gpg >/dev/null; then
+ error "$(gettext "Cannot find the %s binary required for verifying source files.")" "gpg"
+ ret=1
+ fi
+ fi
+
# openssl - checksum operations
if (( ! SKIPINTEG )); then
if ! type -p openssl >/dev/null; then
@@ -1752,6 +1839,7 @@ usage() {
echo "$(gettext " --pkg <list> Only build listed packages from a split package")"
printf "$(gettext " --sign Sign the resulting package with %s")\n" "gpg"
echo "$(gettext " --skipinteg Do not fail when integrity checks are missing")"
+ echo "$(gettext " --skippgpcheck Do not verify source files with pgp signatures")"
echo "$(gettext " --source Generate a source-only tarball without downloaded sources")"
echo
printf "$(gettext "These options can be passed to %s:")\n" "pacman"
@@ -1786,9 +1874,9 @@ ARGLIST=("$@")
# Parse Command Line Options.
OPT_SHORT="AcdefFghiLmop:rRsV"
OPT_LONG="allsource,asroot,ignorearch,check,clean,nodeps"
-OPT_LONG+=",noextract,force,forcever:,geninteg,help,holdver"
+OPT_LONG+=",noextract,force,forcever:,geninteg,help,holdver,skippgpcheck"
OPT_LONG+=",install,key:,log,nocolor,nobuild,nocheck,nosign,pkg:,rmdeps"
-OPT_LONG+=",repackage,skipinteg,sign,source,syncdeps,version,config:"
+OPT_LONG+=",repackage,skipinteg,skippgpcheck,sign,source,syncdeps,version,config:"
# Pacman Options
OPT_LONG+=",noconfirm,noprogressbar"
if ! OPT_TEMP="$(parse_options $OPT_SHORT $OPT_LONG "$@")"; then
@@ -1830,6 +1918,7 @@ while true; do
-r|--rmdeps) RMDEPS=1 ;;
-R|--repackage) REPKG=1 ;;
--skipinteg) SKIPINTEG=1 ;;
+ --skippgpcheck) SKIPPGPCHECK=1;;
--sign) SIGNPKG='y' ;;
--source) SOURCEONLY=1 ;;
-s|--syncdeps) DEP_BIN=1 ;;
@@ -2156,6 +2245,7 @@ if (( SOURCEONLY )); then
if (( ! SKIPINTEG )); then
# We can only check checksums if we have all files.
check_checksums
+ check_pgpsigs
else
warning "$(gettext "Skipping integrity checks.")"
fi
@@ -2234,6 +2324,7 @@ else
download_sources
if (( ! SKIPINTEG )); then
check_checksums
+ check_pgpsigs
else
warning "$(gettext "Skipping integrity checks.")"
fi