diff options
Diffstat (limited to 'contrib/verify-commits/gpg.sh')
| -rwxr-xr-x | contrib/verify-commits/gpg.sh | 42 |
1 files changed, 6 insertions, 36 deletions
diff --git a/contrib/verify-commits/gpg.sh b/contrib/verify-commits/gpg.sh index db5bfce208..cfd68e45b8 100755 --- a/contrib/verify-commits/gpg.sh +++ b/contrib/verify-commits/gpg.sh @@ -5,12 +5,9 @@ export LC_ALL=C INPUT=$(cat /dev/stdin) -VALID=false -REVSIG=false -IFS=' -' if [ "$BITCOIN_VERIFY_COMMITS_ALLOW_SHA1" = 1 ]; then - GPG_RES="$(printf '%s\n' "$INPUT" | gpg --trust-model always "$@" 2>/dev/null)" + printf '%s\n' "$INPUT" | gpg --trust-model always "$@" 2>/dev/null + exit $? else # Note how we've disabled SHA1 with the --weak-digest option, disabling # signatures - including selfsigs - that use SHA1. While you might think that @@ -20,12 +17,12 @@ 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="" 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="$(printf '%s\n' "$INPUT" | gpg --trust-model always "$@" 2>/dev/null)" + printf '%s\n' "$INPUT" | gpg --trust-model always "$@" 2>/dev/null + exit $? ;; # We assume if you're running 2.1+, you're probably running 2.1.10+ # gpg will fail otherwise @@ -33,33 +30,6 @@ else # gpg will fail otherwise esac done - [ "$GPG_RES" = "" ] && GPG_RES="$(printf '%s\n' "$INPUT" | gpg --trust-model always --weak-digest sha1 "$@" 2>/dev/null)" -fi -for LINE in $GPG_RES; do - case "$LINE" in - "[GNUPG:] VALIDSIG "*) - while read KEY; do - [ "${LINE#?GNUPG:? VALIDSIG * * * * * * * * * }" = "$KEY" ] && VALID=true - done < ./contrib/verify-commits/trusted-keys - ;; - "[GNUPG:] REVKEYSIG "*) - [ "$BITCOIN_VERIFY_COMMITS_ALLOW_REVSIG" != 1 ] && exit 1 - REVSIG=true - GOODREVSIG="[GNUPG:] GOODSIG ${LINE#* * *}" - ;; - "[GNUPG:] EXPKEYSIG "*) - [ "$BITCOIN_VERIFY_COMMITS_ALLOW_REVSIG" != 1 ] && exit 1 - REVSIG=true - GOODREVSIG="[GNUPG:] GOODSIG ${LINE#* * *}" - ;; - esac -done -if ! $VALID; then - exit 1 -fi -if $VALID && $REVSIG; then - printf '%s\n' "$INPUT" | gpg --trust-model always "$@" 2>/dev/null | grep "^\[GNUPG:\] \(NEWSIG\|SIG_ID\|VALIDSIG\)" - echo "$GOODREVSIG" -else - printf '%s\n' "$INPUT" | gpg --trust-model always "$@" 2>/dev/null + printf '%s\n' "$INPUT" | gpg --trust-model always --weak-digest sha1 "$@" 2>/dev/null + exit $? fi |