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Merge #9932: Fix verify-commits on travis and always check top commit's tree

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b3ec305 Fix bashisms in verify-commits and always check top commit's tree (Matt Corallo)
f20e664 Check gpg version before setting --weak-digest (Matt Corallo)

Tree-SHA512: f87247008ae6a265e3fd371f00aec0e84f1feb713bf5859eab139a88a4e205e1f26de7b510bcc2c3ab538d5443978a48ec920d25b52b9601e625d198fa2d725f
This commit is contained in:
Wladimir J. van der Laan 2017-03-07 10:51:38 +01:00 committed by Pasta
parent 31267f4c8a
commit 8a436ec36a
3 changed files with 24 additions and 11 deletions
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18
contrib/verify-commits/gpg.sh Executable file → Normal file
View File

@ -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

2
contrib/verify-commits/trusted-sha512-root-commit
View File

@ -1 +1 @@
b00ba6251f71fa1edaabdf809514e1bc3c67862e
f7ec7cfd38b543ba81ac7bed5b77f9a19739460b

15
contrib/verify-commits/verify-commits.sh
View File

@ -43,11 +43,12 @@ IS_SIGNED () {
export BITCOIN_VERIFY_COMMITS_ALLOW_REVSIG=0
fi
if ! git -c "gpg.program=${DIR}/gpg.sh" verify-commit $1 > /dev/null 2>&1; then
if ! git -c "gpg.program=${DIR}/gpg.sh" verify-commit $1 > /dev/null; then
return 1;
fi
if [ "$VERIFY_TREE" = 1 ]; then
# We set $4 to 1 on the first call, always verifying the top of the tree
if [ "$VERIFY_TREE" = 1 -o "$4" = "1" ]; then
IFS_CACHE="$IFS"
IFS='
'
@ -63,9 +64,10 @@ IS_SIGNED () {
IFS="$IFS_CACHE"
FILE_HASHES=""
for FILE in $(git ls-tree --full-tree -r --name-only $1 | LANG=C sort); do
for FILE in $(git ls-tree --full-tree -r --name-only $1 | LC_ALL=C sort); do
HASH=$(git cat-file blob $1:"$FILE" | sha512sum | { read FIRST OTHER; echo $FIRST; } )
[ "$FILE_HASHES" != "" ] && FILE_HASHES="$FILE_HASHES"$'\n'
[ "$FILE_HASHES" != "" ] && FILE_HASHES="$FILE_HASHES"'
'
FILE_HASHES="$FILE_HASHES$HASH $FILE"
done
HASH_MATCHES=0
@ -86,7 +88,7 @@ IS_SIGNED () {
local PARENTS
PARENTS=$(git show -s --format=format:%P $1)
for PARENT in $PARENTS; do
if IS_SIGNED $PARENT $VERIFY_TREE $NO_SHA1; then
if IS_SIGNED $PARENT $VERIFY_TREE $NO_SHA1 0; then
return 0;
fi
done
@ -110,10 +112,9 @@ fi
DO_CHECKOUT_TEST=0
if [ x"$2" = "x--tree-checks" ]; then
DO_CHECKOUT_TEST=1
fi
IS_SIGNED "$TEST_COMMIT" "$DO_CHECKOUT_TEST" 1
IS_SIGNED "$TEST_COMMIT" "$DO_CHECKOUT_TEST" 1 1
RES=$?
if [ "$RES" = 1 ]; then
if ! "$HAVE_FAILED"; then