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60 lines
1.4 KiB
60 lines
1.4 KiB
#!/bin/sh |
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# Not technically POSIX-compliant due to use of "local", but almost every |
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# shell anyone uses today supports it, so its probably fine |
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DIR=$(dirname "$0") |
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echo "Please verify all commits in the following list are not evil:" |
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git log "$DIR" |
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VERIFIED_ROOT=$(cat "${DIR}/trusted-git-root") |
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REVSIG_ALLOWED=$(cat "${DIR}/allow-revsig-commits") |
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HAVE_FAILED=false |
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IS_SIGNED () { |
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if [ $1 = $VERIFIED_ROOT ]; then |
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return 0; |
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fi |
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if [ "${REVSIG_ALLOWED#*$1}" != "$REVSIG_ALLOWED" ]; then |
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export BITCOIN_VERIFY_COMMITS_ALLOW_REVSIG=1 |
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else |
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export BITCOIN_VERIFY_COMMITS_ALLOW_REVSIG=0 |
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fi |
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if ! git -c "gpg.program=${DIR}/gpg.sh" verify-commit $1 > /dev/null 2>&1; then |
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return 1; |
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fi |
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local PARENTS |
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PARENTS=$(git show -s --format=format:%P $1) |
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for PARENT in $PARENTS; do |
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if IS_SIGNED $PARENT > /dev/null; then |
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return 0; |
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fi |
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done |
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if ! "$HAVE_FAILED"; then |
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echo "No parent of $1 was signed with a trusted key!" > /dev/stderr |
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echo "Parents are:" > /dev/stderr |
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for PARENT in $PARENTS; do |
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git show -s $PARENT > /dev/stderr |
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done |
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HAVE_FAILED=true |
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fi |
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return 1; |
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} |
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if [ x"$1" = "x" ]; then |
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TEST_COMMIT="HEAD" |
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else |
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TEST_COMMIT="$1" |
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fi |
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IS_SIGNED "$TEST_COMMIT" |
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RES=$? |
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if [ "$RES" = 1 ]; then |
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if ! "$HAVE_FAILED"; then |
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echo "$TEST_COMMIT was not signed with a trusted key!" |
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fi |
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else |
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echo "There is a valid path from $TEST_COMMIT to $VERIFIED_ROOT where all commits are signed!" |
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fi |
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exit $RES
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