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util/crypto: _n_m_crypto_potential_payload: rename "payload" arg to "part"

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_notmuch_message_crypto_potential_payload is called on a GMimeObject
while walking the MIME tree of a message to determine whether that
object is the payload.  It doesn't make sense to name the argument
"payload" if it might not be the payload, so we rename it to "part"
for clarity.

This is a non-functional change, just semantic cleanup.

Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
This commit is contained in:
Daniel Kahn Gillmor 2019-08-29 11:38:49 -04:00 committed by David Bremner
parent 27b25e45dc
commit 8b25643d08
2 changed files with 9 additions and 9 deletions
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16
util/crypto.c
View file

@ -136,13 +136,13 @@ _notmuch_message_crypto_potential_sig_list (_notmuch_message_crypto_t *msg_crypt
notmuch_status_t
_notmuch_message_crypto_potential_payload (_notmuch_message_crypto_t *msg_crypto, GMimeObject *payload, GMimeObject *parent, int childnum)
_notmuch_message_crypto_potential_payload (_notmuch_message_crypto_t *msg_crypto, GMimeObject *part, GMimeObject *parent, int childnum)
{
const char *protected_headers = NULL;
const char *forwarded = NULL;
const char *subject = NULL;
if (! msg_crypto || ! payload)
if (! msg_crypto || ! part)
return NOTMUCH_STATUS_NULL_POINTER;
/* only fire on the first payload part encountered */
@ -155,7 +155,7 @@ _notmuch_message_crypto_potential_payload (_notmuch_message_crypto_t *msg_crypto
* https://tools.ietf.org/html/rfc1847#page-8) */
if (parent && GMIME_IS_MULTIPART_ENCRYPTED (parent) && childnum == GMIME_MULTIPART_ENCRYPTED_VERSION) {
const char *enc_type = g_mime_object_get_content_type_parameter (parent, "protocol");
GMimeContentType *ct = g_mime_object_get_content_type (payload);
GMimeContentType *ct = g_mime_object_get_content_type (part);
if (ct && enc_type) {
const char *part_type = g_mime_content_type_get_mime_type (ct);
if (part_type && strcmp (part_type, enc_type) == 0)
@ -177,16 +177,16 @@ _notmuch_message_crypto_potential_payload (_notmuch_message_crypto_t *msg_crypto
/* Consider a payload that uses Alexei Melinkov's forwarded="no" for
* message/global or message/rfc822:
* https://tools.ietf.org/html/draft-melnikov-smime-header-signing-05#section-4 */
forwarded = g_mime_object_get_content_type_parameter (payload, "forwarded");
if (GMIME_IS_MESSAGE_PART (payload) && forwarded && strcmp (forwarded, "no") == 0) {
GMimeMessage *message = g_mime_message_part_get_message (GMIME_MESSAGE_PART (payload));
forwarded = g_mime_object_get_content_type_parameter (part, "forwarded");
if (GMIME_IS_MESSAGE_PART (part) && forwarded && strcmp (forwarded, "no") == 0) {
GMimeMessage *message = g_mime_message_part_get_message (GMIME_MESSAGE_PART (part));
subject = g_mime_message_get_subject (message);
/* FIXME: handle more than just Subject: at some point */
} else {
/* Consider "memoryhole"-style protected headers as practiced by Enigmail and K-9 */
protected_headers = g_mime_object_get_content_type_parameter (payload, "protected-headers");
protected_headers = g_mime_object_get_content_type_parameter (part, "protected-headers");
if (protected_headers && strcasecmp ("v1", protected_headers) == 0)
subject = g_mime_object_get_header (payload, "Subject");
subject = g_mime_object_get_header (part, "Subject");
/* FIXME: handle more than just Subject: at some point */
}

2
util/crypto.h
View file

@ -92,7 +92,7 @@ _notmuch_message_crypto_successful_decryption (_notmuch_message_crypto_t *msg_cr
* when encountering a message part that is not part of the envelope.
*/
notmuch_status_t
_notmuch_message_crypto_potential_payload (_notmuch_message_crypto_t *msg_crypto, GMimeObject *payload, GMimeObject *parent, int childnum);
_notmuch_message_crypto_potential_payload (_notmuch_message_crypto_t *msg_crypto, GMimeObject *part, GMimeObject *parent, int childnum);
#ifdef __cplusplus