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| | #!/usr/bin/env bash
# TODO:
# * check S/MIME as well as PGP/MIME
test_description='Message decryption with protected headers'
. $(dirname "$0")/test-lib.sh || exit 1
##################################################
add_gnupg_home
# Change this if we ship a new test key
FINGERPRINT="5AEAB11F5E33DCE875DDB75B6D92612D94E46381"
add_email_corpus protected-headers
test_begin_subtest "verify protected header is not visible without decryption"
output=$(notmuch show --format=json id:protected-header@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'no_crypto:[0][0][0]!"crypto"' \
'subject:[0][0][0]["headers"]["Subject"]="encrypted message"'
test_begin_subtest "verify protected header is visible with decryption"
output=$(notmuch show --decrypt=true --format=json id:protected-header@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full", "masked-headers": {"Subject": "encrypted message"}}}' \
'subject:[0][0][0]["headers"]["Subject"]="This is a protected header"'
test_begin_subtest "when no external header is present, show masked subject as null"
output=$(notmuch show --decrypt=true --format=json id:subjectless-protected-header@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full", "masked-headers": {"Subject": null}}}' \
'subject:[0][0][0]["headers"]["Subject"]="This is a protected header"'
test_begin_subtest "misplaced protected headers should not be made visible during decryption"
output=$(notmuch show --decrypt=true --format=json id:misplaced-protected-header@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full"}}' \
'subject:[0][0][0]["headers"]["Subject"]="encrypted message"'
test_begin_subtest "verify double-wrapped phony protected header is not visible when inner decryption fails"
output=$(notmuch show --decrypt=true --format=json id:double-wrapped-with-phony-protected-header@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full"}}' \
'subject:[0][0][0]["headers"]["Subject"]="encrypted message"'
test_begin_subtest "cleartext phony protected headers should not be made visible when decryption fails"
output=$(notmuch show --decrypt=true --format=json id:phony-protected-header-bad-encryption@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'no_crypto:[0][0][0]!"crypto"' \
'subject:[0][0][0]["headers"]["Subject"]="encrypted message"'
test_begin_subtest "wrapped protected headers should not be made visible during decryption"
output=$(notmuch show --decrypt=true --format=json id:wrapped-protected-header@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "partial"}}' \
'subject:[0][0][0]["headers"]["Subject"]="[mailing-list] encrypted message"'
test_begin_subtest "internal headers without protected-header attribute should be skipped"
output=$(notmuch show --decrypt=true --format=json id:no-protected-header-attribute@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full"}}' \
'subject:[0][0][0]["headers"]["Subject"]="encrypted message"'
test_begin_subtest "verify nested message/rfc822 protected header is visible"
output=$(notmuch show --decrypt=true --format=json id:nested-rfc822-message@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full", "masked-headers": {"Subject": "encrypted message"}}}' \
'subject:[0][0][0]["headers"]["Subject"]="This is a message using draft-melnikov-smime-header-signing"'
test_begin_subtest "show cryptographic envelope on signed mail"
output=$(notmuch show --verify --format=json id:simple-signed-mail@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"signed": {"status": [{"created": 1525609971, "fingerprint": "5AEAB11F5E33DCE875DDB75B6D92612D94E46381", "status": "good"}]}}'
test_begin_subtest "verify signed protected header"
output=$(notmuch show --verify --format=json id:signed-protected-header@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"signed": {"status": [{"created": 1525350527, "fingerprint": "5AEAB11F5E33DCE875DDB75B6D92612D94E46381", "status": "good"}], "headers": ["Subject"]}}'
test_begin_subtest "protected subject does not leak by default in replies"
output=$(notmuch reply --decrypt=true --format=json id:protected-header@crypto.notmuchmail.org)
test_json_nodes <<<"$output" \
'crypto:["original"]["crypto"]={"decrypted": {"status": "full", "masked-headers": {"Subject": "encrypted message"}}}' \
'subject:["original"]["headers"]["Subject"]="This is a protected header"' \
'reply-subject:["reply-headers"]["Subject"]="Re: encrypted message"'
test_done
|