b26d743404
The bail-out was overly defensive. The test cert uses a unique CN
("Numa Local CA Test <pid-ts>") that is strictly longer than the
production CN, so `security find-certificate -c $TEST_CN` cannot
substring-match the production cert. All deletes are by-hash, which
can only target the test cert's specific hash. Coexistence is
provably safe; document the reasoning in the header comment block
and replace the refusal with an informational notice.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
95 lines
3.6 KiB
Bash
Executable File
95 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Manual macOS CA trust contract test.
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#
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# Mirrors src/system_dns.rs::trust_ca_macos / untrust_ca_macos by running
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# the same `security` shell commands against a fixture cert with a unique
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# CN. Safe to run alongside a production numa install:
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#
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# - Test cert CN = "Numa Local CA Test <pid-ts>", always strictly longer
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# than the production CN "Numa Local CA". `security find-certificate -c`
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# does substring matching, so the test's search for $TEST_CN can never
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# match the production cert (the search term is longer than the prod CN).
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# - All deletes use `delete-certificate -Z <hash>`, which only touches the
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# cert with that exact hash. Production and test certs have different
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# hashes by construction (different key material), so the delete cannot
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# reach the production cert even if a CN search somehow returned both.
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#
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# Mutates the System keychain (briefly). Cleans up on success or interrupt.
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# Requires sudo for `security add-trusted-cert` and `delete-certificate`.
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#
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# Usage: ./tests/manual/install-trust-macos.sh
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set -euo pipefail
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if [[ "$OSTYPE" != darwin* ]]; then
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echo "This test is macOS-only." >&2
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exit 1
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fi
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GREEN="\033[32m"; RED="\033[31m"; RESET="\033[0m"
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# Production constant from src/tls.rs::CA_COMMON_NAME — keep in sync.
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PROD_CN="Numa Local CA"
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KEYCHAIN="/Library/Keychains/System.keychain"
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# Notice if production numa is already installed. We proceed regardless —
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# see header for why coexistence is safe (unique CN + by-hash deletion).
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if security find-certificate -c "$PROD_CN" "$KEYCHAIN" >/dev/null 2>&1; then
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echo " note: production '$PROD_CN' detected — proceeding alongside (test cert can't touch it)"
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echo
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fi
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# Unique CN ensures the test cert can never collide with production.
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TEST_CN="Numa Local CA Test $$-$(date +%s)"
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FIXTURE_DIR=$(mktemp -d)
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cleanup() {
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# Best-effort: remove any test certs by hash if still present.
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if security find-certificate -c "$TEST_CN" "$KEYCHAIN" >/dev/null 2>&1; then
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echo " cleanup: removing leftover test cert"
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security find-certificate -c "$TEST_CN" -a -Z "$KEYCHAIN" 2>/dev/null \
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| awk '/^SHA-1 hash:/ {print $NF}' \
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| while read -r hash; do
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sudo security delete-certificate -Z "$hash" "$KEYCHAIN" >/dev/null 2>&1 || true
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done
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fi
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rm -rf "$FIXTURE_DIR"
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}
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trap cleanup EXIT
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echo "── generating fixture CA ──"
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openssl req -x509 -newkey rsa:2048 -nodes -days 1 \
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-keyout "$FIXTURE_DIR/ca.key" \
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-out "$FIXTURE_DIR/ca.pem" \
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-subj "/CN=$TEST_CN" \
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-addext "basicConstraints=critical,CA:TRUE" \
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-addext "keyUsage=critical,keyCertSign,cRLSign" >/dev/null 2>&1
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echo " CN: $TEST_CN"
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echo
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echo "── trust step (mirrors trust_ca_macos) ──"
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sudo security add-trusted-cert -d -r trustRoot -k "$KEYCHAIN" "$FIXTURE_DIR/ca.pem"
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if security find-certificate -c "$TEST_CN" "$KEYCHAIN" >/dev/null 2>&1; then
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printf " ${GREEN}✓${RESET} test cert found in keychain\n"
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else
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printf " ${RED}✗${RESET} test cert NOT found after add-trusted-cert\n"
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exit 1
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fi
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echo
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echo "── untrust step (mirrors untrust_ca_macos) ──"
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security find-certificate -c "$TEST_CN" -a -Z "$KEYCHAIN" 2>/dev/null \
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| awk '/^SHA-1 hash:/ {print $NF}' \
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| while read -r hash; do
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sudo security delete-certificate -Z "$hash" "$KEYCHAIN" >/dev/null
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done
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if security find-certificate -c "$TEST_CN" "$KEYCHAIN" >/dev/null 2>&1; then
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printf " ${RED}✗${RESET} test cert STILL present after delete (regression)\n"
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exit 1
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fi
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printf " ${GREEN}✓${RESET} test cert removed from keychain\n"
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echo
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printf "${GREEN}all checks passed${RESET}\n"
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