[PATCH v2 11/17] test: protected headers should work when both encrypted and signed.

Subject:[PATCH v2 11/17] test: protected headers should work when both encrypted and signed.

Date:Sun, 26 May 2019 18:16:04 -0400

To:Notmuch Mail

Cc:

From:Daniel Kahn Gillmor


Up to this point, we've tested protected headers on messages that have
either been encrypted or signed, but not both.

This adds a couple tests of signed+encrypted messages, one where the
subject line is masked (outside subject line is "Subject Unavailable")
and another where it is not (outside Subject: matches inner Subject:)

See the discussion at
https://dkg.fifthhorseman.net/blog/e-mail-cryptography.html#protected-headers
for more details about the nuances between signed, stripped, and
stubbed headers.

Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
---
 test/T356-protected-headers.sh                | 16 +++++++++
 .../encrypted-signed-not-masked.eml           | 34 +++++++++++++++++++
 .../protected-headers/encrypted-signed.eml    | 34 +++++++++++++++++++
 3 files changed, 84 insertions(+)
 create mode 100644 test/corpora/protected-headers/encrypted-signed-not-masked.eml
 create mode 100644 test/corpora/protected-headers/encrypted-signed.eml

diff --git a/test/T356-protected-headers.sh b/test/T356-protected-headers.sh
index fee3b043..0a8d4bfa 100755
--- a/test/T356-protected-headers.sh
+++ b/test/T356-protected-headers.sh
@@ -99,4 +99,20 @@ output=$(notmuch search --format=json 'id:protected-header@crypto.notmuchmail.or
 test_json_nodes <<<"$output" \
                 'subject:[0]["subject"]="This is a protected header"'
 
+test_begin_subtest "verify protected header is both signed and encrypted"
+output=$(notmuch show --decrypt=true --format=json id:encrypted-signed@crypto.notmuchmail.org)
+test_json_nodes <<<"$output" \
+                'crypto:[0][0][0]["crypto"]={
+                   "signed":{"status": [{"status": "good", "fingerprint": "'$FINGERPRINT'", "userid": "'"$SELF_USERID"'", "created": 1525812676}],
+                   "encrypted": true, "headers": ["Subject"]},"decrypted": {"status": "full", "header-mask": {"Subject": "Subject Unavailable"}}}' \
+                'subject:[0][0][0]["headers"]["Subject"]="Rhinoceros dinner"'
+
+test_begin_subtest "verify protected header is signed even when not masked"
+output=$(notmuch show --decrypt=true --format=json id:encrypted-signed-not-masked@crypto.notmuchmail.org)
+test_json_nodes <<<"$output" \
+                'crypto:[0][0][0]["crypto"]={
+                   "signed":{"status": [{"status": "good", "fingerprint": "'$FINGERPRINT'", "userid": "'"$SELF_USERID"'", "created": 1525812676}],
+                   "encrypted": true, "headers": ["Subject"]},"decrypted": {"status": "full"}}' \
+                'subject:[0][0][0]["headers"]["Subject"]="Rhinoceros dinner"'
+
 test_done
diff --git a/test/corpora/protected-headers/encrypted-signed-not-masked.eml b/test/corpora/protected-headers/encrypted-signed-not-masked.eml
new file mode 100644
index 00000000..8dfd7c39
--- /dev/null
+++ b/test/corpora/protected-headers/encrypted-signed-not-masked.eml
@@ -0,0 +1,34 @@
+From: test_suite@notmuchmail.org
+To: test_suite@notmuchmail.org
+Subject: Rhinoceros dinner
+Date: Sat, 01 Jan 2000 12:00:00 +0000
+Message-ID: <encrypted-signed-not-masked@crypto.notmuchmail.org>
+MIME-Version: 1.0
+Content-Type: multipart/encrypted; boundary="=-=-=";
+	protocol="application/pgp-encrypted"
+
+--=-=-=
+Content-Type: application/pgp-encrypted
+
+Version: 1
+
+--=-=-=
+Content-Type: application/octet-stream
+
+-----BEGIN PGP MESSAGE-----
+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+=om0O
+-----END PGP MESSAGE-----
+--=-=-=--
diff --git a/test/corpora/protected-headers/encrypted-signed.eml b/test/corpora/protected-headers/encrypted-signed.eml
new file mode 100644
index 00000000..c97d8c3c
--- /dev/null
+++ b/test/corpora/protected-headers/encrypted-signed.eml
@@ -0,0 +1,34 @@
+From: test_suite@notmuchmail.org
+To: test_suite@notmuchmail.org
+Subject: Subject Unavailable
+Date: Sat, 01 Jan 2000 12:00:00 +0000
+Message-ID: <encrypted-signed@crypto.notmuchmail.org>
+MIME-Version: 1.0
+Content-Type: multipart/encrypted; boundary="=-=-=";
+	protocol="application/pgp-encrypted"
+
+--=-=-=
+Content-Type: application/pgp-encrypted
+
+Version: 1
+
+--=-=-=
+Content-Type: application/octet-stream
+
+-----BEGIN PGP MESSAGE-----
+
+hIwDxE023q1UqxYBBADAJ03D4w48sefkQsBWXUc1spTljROjVN+y5a2yCKtYMt3M
+wWMeQyem5hwLpLYRCfeIzXCrlBfpZffuOkA5okGGVEWFvJ5a1kZNZnH5Wg0ccBp7
+KBGnJY0gS/BlrKK2Sjmk9Z3ww7GAgDGPbc7mc3Csj9G38UvneBdrQgm6kZR3GNLA
+6AGLN3KJETruI3Js6++aG+7tSkJ8Vo4WCVUR7oQROwF601X0QF/XghCoJCrx8B/1
+cw6Yb2wQj2nv3gw1rqWVsPVpAKsMc1yHx/2Vsee/VPtt4f67fSAMuJF3EJ6JkcK7
+tM761v69GoJGgvsie45pb1N2l/GfVMuwWU0wZhEsF7eXxqPzoE/kIGX1XIqleLaw
+On2kPSM5RgqV6gLOcw4WaFPi0oMbDhltNs72SV9cV6ZhhuwEQRq+u/K76NKLwte2
+R1JutAiuPZVF0WanmmiN6RbIpWOB5XxQfWagfr4vcf/03TaLP4hJMnqUdFMk20HP
+eI8TMQxkfryZK2Z6VxEBVdXhK05VEdkolmc4j9U+76A96Gd5zbYPApirkebmZatS
+X3rKKAiBqwWrFXi/7LNDoCwhRRmqDuHXruh3vZEcz+xiPfJh0G31GJQgIpE15Sv6
+trf20u3CXAFjHg9zPpSFV7uAOsqv7bg+xtG9PgN4aLCiVbXHsT0z6PAz+6K+SiKw
+QW8ZOtLikj5HyLAz/TDcsIShFaM3QHk2qq9RY10kmxlQVrf9Oyh3Wmc=
+=om0O
+-----END PGP MESSAGE-----
+--=-=-=--
-- 
2.20.1

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