diff options
Diffstat (limited to 'contrib/verify-commits/gpg.sh')
| -rwxr-xr-x | contrib/verify-commits/gpg.sh | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/contrib/verify-commits/gpg.sh b/contrib/verify-commits/gpg.sh index 4342d7bd0f..b01e2a6d39 100755 --- a/contrib/verify-commits/gpg.sh +++ b/contrib/verify-commits/gpg.sh @@ -19,8 +19,20 @@ else # an attacker could construct a pull-req that results in a commit object that # they've created a collision for. Not the most likely attack, but preventing # it is pretty easy so we do so as a "belt-and-suspenders" measure. - - GPG_RES="$(echo "$INPUT" | gpg --trust-model always --weak-digest sha1 "$@" 2>/dev/null)" + GPG_RES="" + for LINE in "$(gpg --version)"; do + case "$LINE" in + "gpg (GnuPG) 1.4.1"*|"gpg (GnuPG) 2.0."*) + echo "Please upgrade to at least gpg 2.1.10 to check for weak signatures" > /dev/stderr + GPG_RES="$(echo "$INPUT" | gpg --trust-model always "$@" 2>/dev/null)" + ;; + # We assume if you're running 2.1+, you're probably running 2.1.10+ + # gpg will fail otherwise + # We assume if you're running 1.X, it is either 1.4.1X or 1.4.20+ + # gpg will fail otherwise + esac + done + [ "$GPG_RES" = "" ] && GPG_RES="$(echo "$INPUT" | gpg --trust-model always --weak-digest sha1 "$@" 2>/dev/null)" fi for LINE in $(echo "$GPG_RES"); do case "$LINE" in @@ -40,7 +52,7 @@ if ! $VALID; then exit 1 fi if $VALID && $REVSIG; then - echo "$INPUT" | gpg --trust-model always "$@" | grep "\[GNUPG:\] \(NEWSIG\|SIG_ID\|VALIDSIG\)" 2>/dev/null + echo "$INPUT" | gpg --trust-model always "$@" 2>/dev/null | grep "\[GNUPG:\] \(NEWSIG\|SIG_ID\|VALIDSIG\)" echo "$GOODREVSIG" else echo "$INPUT" | gpg --trust-model always "$@" 2>/dev/null |