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bf8aa34324
This replaces the old OpenPGPv4 key that is used in the test suite
with a more modern OpenPGPv4 key. All cryptographic artifacts in the
test suite are updated accordingly.
Having old cryptographic artifacts in the test suite presents a
problem once the old algorithms are rejected by contemporary
implementations.
For reference, this is the old key.
sec rsa1024 2011-02-05 [SC]
5AEAB11F5E33DCE875DDB75B6D92612D94E46381
uid [ unknown] Notmuch Test Suite <test_suite@notmuchmail.org> (INSECURE!)
ssb rsa1024 2011-02-05 [E]
And this is the new key. Note that is has the same shape, but uses
Ed25519 and Cv25519 instead of 1024-bit RSA.
sec ed25519 2022-09-07 [SC]
9A3AFE6C60065A148FD4B58A7E6ABE924645CC60
uid [ultimate] Notmuch Test Suite (INSECURE!) <test_suite@notmuchmail.org>
ssb cv25519 2022-09-07 [E]
208 lines
12 KiB
Bash
Executable file
208 lines
12 KiB
Bash
Executable file
#!/usr/bin/env bash
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test_description='Message decryption with protected headers'
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. $(dirname "$0")/test-lib.sh || exit 1
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##################################################
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test_require_external_prereq gpgsm
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add_gnupg_home
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add_gpgsm_home
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add_email_corpus protected-headers
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test_begin_subtest "verify protected header is not visible without decryption"
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output=$(notmuch show --format=json id:protected-header@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'no_crypto_info:[0][0][0]["crypto"]={}' \
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'subject:[0][0][0]["headers"]["Subject"]="Subject Unavailable"'
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test_begin_subtest "verify protected header is visible with decryption"
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output=$(notmuch show --decrypt=true --format=json id:protected-header@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full", "header-mask": {"Subject": "Subject Unavailable"}}}' \
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'subject:[0][0][0]["headers"]["Subject"]="This is a protected header"'
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test_begin_subtest "when no external header is present, show masked subject as null"
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output=$(notmuch show --decrypt=true --format=json id:subjectless-protected-header@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full", "header-mask": {"Subject": null}}}' \
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'subject:[0][0][0]["headers"]["Subject"]="This is a protected header"'
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test_begin_subtest "misplaced protected headers should not be made visible during decryption"
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output=$(notmuch show --decrypt=true --format=json id:misplaced-protected-header@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full"}}' \
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'subject:[0][0][0]["headers"]["Subject"]="Subject Unavailable"'
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test_begin_subtest "verify double-wrapped phony protected header is not visible when inner decryption fails"
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output=$(notmuch show --decrypt=true --format=json id:double-wrapped-with-phony-protected-header@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full"}}' \
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'subject:[0][0][0]["headers"]["Subject"]="Subject Unavailable"'
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test_begin_subtest "cleartext phony protected headers should not be made visible when decryption fails"
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output=$(notmuch show --decrypt=true --format=json id:phony-protected-header-bad-encryption@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'no_crypto_info:[0][0][0]["crypto"]={}' \
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'subject:[0][0][0]["headers"]["Subject"]="Subject Unavailable"'
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test_begin_subtest "wrapped protected headers should not be made visible during decryption"
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output=$(notmuch show --decrypt=true --format=json id:wrapped-protected-header@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "partial"}}' \
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'subject:[0][0][0]["headers"]["Subject"]="[mailing-list] Subject Unavailable"'
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test_begin_subtest "internal headers without protected-header attribute should be skipped"
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output=$(notmuch show --decrypt=true --format=json id:no-protected-header-attribute@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full"}}' \
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'subject:[0][0][0]["headers"]["Subject"]="Subject Unavailable"'
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test_begin_subtest "verify nested message/rfc822 protected header is visible"
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output=$(notmuch show --decrypt=true --format=json id:nested-rfc822-message@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full", "header-mask": {"Subject": "Subject Unavailable"}}}' \
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'subject:[0][0][0]["headers"]["Subject"]="This is a message using draft-melnikov-smime-header-signing"'
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test_begin_subtest "show cryptographic envelope on signed mail"
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output=$(notmuch show --verify --format=json id:simple-signed-mail@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"signed": {"status": [{"created": 1662554210, "fingerprint": "'$FINGERPRINT'", "email": "'"$SELF_EMAIL"'", "userid": "'"$SELF_USERID"'", "status": "good"}]}}'
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test_begin_subtest "verify signed protected header"
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output=$(notmuch show --verify --format=json id:signed-protected-header@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"signed": {"status": [{"created": 1662554263, "fingerprint": "'$FINGERPRINT'", "email": "'"$SELF_EMAIL"'", "userid": "'"$SELF_USERID"'", "status": "good"}], "headers": ["Subject"]}}'
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test_begin_subtest "protected subject does not leak by default in replies"
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output=$(notmuch reply --decrypt=true --format=json id:protected-header@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:["original"]["crypto"]={"decrypted": {"status": "full", "header-mask": {"Subject": "Subject Unavailable"}}}' \
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'subject:["original"]["headers"]["Subject"]="This is a protected header"' \
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'reply-subject:["reply-headers"]["Subject"]="Re: Subject Unavailable"'
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test_begin_subtest "protected subject is not indexed by default"
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output=$(notmuch search --output=messages 'subject:"This is a protected header"')
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test_expect_equal "$output" ''
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test_begin_subtest "reindex message with protected header"
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test_expect_success 'notmuch reindex --decrypt=true id:protected-header@crypto.notmuchmail.org'
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test_begin_subtest "protected subject is indexed when cleartext is indexed"
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output=$(notmuch search --output=messages 'subject:"This is a protected header"')
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test_expect_equal "$output" 'id:protected-header@crypto.notmuchmail.org'
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test_begin_subtest "indexed protected subject is visible in search"
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output=$(notmuch search --format=json 'id:protected-header@crypto.notmuchmail.org')
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test_json_nodes <<<"$output" \
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'subject:[0]["subject"]="This is a protected header"'
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test_begin_subtest "indexed protected subject is not visible in reply header"
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output=$(notmuch reply --format=json 'id:protected-header@crypto.notmuchmail.org')
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test_json_nodes <<<"$output" \
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'subject:["original"]["headers"]["Subject"]="This is a protected header"' \
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'reply-subject:["reply-headers"]["Subject"]="Re: Subject Unavailable"'
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test_begin_subtest "verify correct protected header when submessage exists"
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output=$(notmuch show --decrypt=true --format=json id:encrypted-message-with-forwarded-attachment@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full", "header-mask": {"Subject": "Subject Unavailable"}}}' \
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'subject:[0][0][0]["headers"]["Subject"]="This is the cryptographic envelope subject"'
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test_begin_subtest "verify protected header is both signed and encrypted"
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output=$(notmuch show --decrypt=true --format=json id:encrypted-signed@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={
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"signed":{"status": [{"status": "good", "fingerprint": "'$FINGERPRINT'", "email": "'"$SELF_EMAIL"'", "userid": "'"$SELF_USERID"'", "created": 1662550328}],
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"encrypted": true, "headers": ["Subject"]},"decrypted": {"status": "full", "header-mask": {"Subject": "Subject Unavailable"}}}' \
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'subject:[0][0][0]["headers"]["Subject"]="Rhinoceros dinner"'
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test_begin_subtest "verify protected header is signed even when not masked"
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output=$(notmuch show --decrypt=true --format=json id:encrypted-signed-not-masked@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'crypto:[0][0][0]["crypto"]={
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"signed":{"status": [{"status": "good", "fingerprint": "'$FINGERPRINT'", "userid": "'"$SELF_USERID"'", "email": "'"$SELF_EMAIL"'", "created": 1662550328}],
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"encrypted": true, "headers": ["Subject"]},"decrypted": {"status": "full"}}' \
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'subject:[0][0][0]["headers"]["Subject"]="Rhinoceros dinner"'
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test_begin_subtest "reindex everything, ensure headers are as expected"
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notmuch reindex --decrypt=true from:test_suite@notmuchmail.org
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output=$(notmuch search --output=messages 'subject:"protected header" or subject:"Rhinoceros" or subject:"draft-melnikov-smime-header-signing" or subject:"valid"' | sort)
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test_expect_equal "$output" 'id:encrypted-signed-not-masked@crypto.notmuchmail.org
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id:encrypted-signed@crypto.notmuchmail.org
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id:nested-rfc822-message@crypto.notmuchmail.org
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id:protected-header@crypto.notmuchmail.org
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id:subjectless-protected-header@crypto.notmuchmail.org'
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test_begin_subtest "when rendering protected headers, avoid rendering legacy-display part"
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output=$(notmuch show --format=json id:protected-with-legacy-display@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'subject:[0][0][0]["headers"]["Subject"]="Interrupting Cow"' \
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'no_legacy_display:[0][0][0]["body"][0]["content"][1]["content-type"]="text/plain"'
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test_begin_subtest "when replying, avoid rendering legacy-display part"
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output=$(notmuch reply --format=json id:protected-with-legacy-display@crypto.notmuchmail.org)
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test_json_nodes <<<"$output" \
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'no_legacy_display:["original"]["body"][0]["content"][1]["content-type"]="text/plain"'
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test_begin_subtest "do not treat legacy-display part as body when indexing"
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output=$(notmuch search --output=messages body:interrupting)
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test_expect_equal "$output" ''
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test_begin_subtest "identify message that had a legacy display part skipped during indexing"
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output=$(notmuch search --output=messages property:index.repaired=skip-protected-headers-legacy-display)
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test_expect_equal "$output" id:protected-with-legacy-display@crypto.notmuchmail.org
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for variant in multipart-signed onepart-signed; do
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test_begin_subtest "verify signed PKCS#7 subject ($variant)"
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output=$(notmuch show --verify --format=json "id:smime-${variant}@protected-headers.example")
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test_json_nodes <<<"$output" \
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'signed_subject:[0][0][0]["crypto"]["signed"]["headers"]=["Subject"]' \
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'sig_good:[0][0][0]["crypto"]["signed"]["status"][0]["status"]="good"' \
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'sig_fpr:[0][0][0]["crypto"]["signed"]["status"][0]["fingerprint"]="702BA4B157F1E2B7D16B0C6A5FFC8A7DE2057DEB"' \
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'not_encrypted:[0][0][0]["crypto"]!"decrypted"'
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test_begin_subtest "verify signed PKCS#7 subject ($variant) signer User ID"
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if [ $NOTMUCH_GMIME_X509_CERT_VALIDITY -ne 1 ]; then
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test_subtest_known_broken
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fi
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test_json_nodes <<<"$output" \
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'sig_uid:[0][0][0]["crypto"]["signed"]["status"][0]["userid"]="CN=Alice Lovelace"'
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done
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for variant in sign+enc sign+enc+legacy-disp; do
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test_begin_subtest "confirm signed and encrypted PKCS#7 subject ($variant)"
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output=$(notmuch show --decrypt=true --format=json "id:smime-${variant}@protected-headers.example")
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test_json_nodes <<<"$output" \
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'signed_subject:[0][0][0]["crypto"]["signed"]["headers"]=["Subject"]' \
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'sig_good:[0][0][0]["crypto"]["signed"]["status"][0]["status"]="good"' \
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'sig_fpr:[0][0][0]["crypto"]["signed"]["status"][0]["fingerprint"]="702BA4B157F1E2B7D16B0C6A5FFC8A7DE2057DEB"' \
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'encrypted:[0][0][0]["crypto"]["decrypted"]={"status":"full","header-mask":{"Subject":"..."}}'
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test_begin_subtest "confirm signed and encrypted PKCS#7 subject ($variant) signer User ID"
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if [ $NOTMUCH_GMIME_X509_CERT_VALIDITY -ne 1 ]; then
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test_subtest_known_broken
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fi
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test_json_nodes <<<"$output" \
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'sig_uid:[0][0][0]["crypto"]["signed"]["status"][0]["userid"]="CN=Alice Lovelace"'
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done
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test_begin_subtest "confirm encryption-protected PKCS#7 subject (enc+legacy-disp)"
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output=$(notmuch show --decrypt=true --format=json "id:smime-enc+legacy-disp@protected-headers.example")
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test_json_nodes <<<"$output" \
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'encrypted:[0][0][0]["crypto"]["decrypted"]={"status":"full","header-mask":{"Subject":"..."}}' \
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'no_sig:[0][0][0]["crypto"]!"signed"'
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# TODO: test that a part that looks like a legacy-display in
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# multipart/signed, but not encrypted, is indexed and not stripped.
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# TODO: test that a legacy-display in a decrypted subpart (not in the
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# cryptographic payload) is indexed and not stripped.
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# TODO: test that a legacy-display inside multiple MIME layers that
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# include an encryption layer (e.g. multipart/encrypted around
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# multipart/signed) is stripped and not indexed.
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test_done
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