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mime-node: track whole-message crypto state while walking the tree

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Deliberately populate the message's cryptographic status while walking
the MIME tree from the CLI.

Note that the additional numchild argument added to _mime_node_create
is a passthrough needed to be able to adequately populate the crypto
state object.
This commit is contained in:
Daniel Kahn Gillmor 2019-05-25 14:04:05 -04:00 committed by David Bremner
parent 2c08beb254
commit d187a6993e
1 changed files with 21 additions and 2 deletions
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23
mime-node.c
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@ -135,6 +135,8 @@ mime_node_open (const void *ctx, notmuch_message_t *message,
goto DONE;
}
mctx->msg_crypto = _notmuch_message_crypto_new (mctx);
mctx->crypto = crypto;
/* Create the root node */
@ -180,6 +182,7 @@ static void
node_verify (mime_node_t *node, GMimeObject *part)
{
GError *err = NULL;
notmuch_status_t status;
node->verify_attempted = true;
node->sig_list = g_mime_multipart_signed_verify
@ -193,6 +196,10 @@ node_verify (mime_node_t *node, GMimeObject *part)
if (err)
g_error_free (err);
status = _notmuch_message_crypto_potential_sig_list (node->ctx->msg_crypto, node->sig_list);
if (status) /* this is a warning, not an error */
fprintf (stderr, "Warning: failed to note signature status: %s.\n", notmuch_status_to_string (status));
}
/* Decrypt and optionally verify an encrypted mime node */
@ -201,6 +208,7 @@ node_decrypt_and_verify (mime_node_t *node, GMimeObject *part)
{
GError *err = NULL;
GMimeDecryptResult *decrypt_result = NULL;
notmuch_status_t status;
GMimeMultipartEncrypted *encrypteddata = GMIME_MULTIPART_ENCRYPTED (part);
notmuch_message_t *message = NULL;
@ -223,6 +231,9 @@ node_decrypt_and_verify (mime_node_t *node, GMimeObject *part)
}
node->decrypt_success = true;
status = _notmuch_message_crypto_successful_decryption (node->ctx->msg_crypto);
if (status) /* this is a warning, not an error */
fprintf (stderr, "Warning: failed to note decryption status: %s.\n", notmuch_status_to_string (status));
if (decrypt_result) {
/* This may be NULL if the part is not signed. */
@ -231,6 +242,9 @@ node_decrypt_and_verify (mime_node_t *node, GMimeObject *part)
node->verify_attempted = true;
g_object_ref (node->sig_list);
set_signature_list_destructor (node);
status = _notmuch_message_crypto_potential_sig_list (node->ctx->msg_crypto, node->sig_list);
if (status) /* this is a warning, not an error */
fprintf (stderr, "Warning: failed to note signature status: %s.\n", notmuch_status_to_string (status));
}
if (node->ctx->crypto->decrypt == NOTMUCH_DECRYPT_TRUE && message) {
@ -251,9 +265,10 @@ node_decrypt_and_verify (mime_node_t *node, GMimeObject *part)
}
static mime_node_t *
_mime_node_create (mime_node_t *parent, GMimeObject *part)
_mime_node_create (mime_node_t *parent, GMimeObject *part, int numchild)
{
mime_node_t *node = talloc_zero (parent, mime_node_t);
notmuch_status_t status;
/* Set basic node properties */
node->part = part;
@ -305,6 +320,10 @@ _mime_node_create (mime_node_t *parent, GMimeObject *part)
} else {
node_verify (node, part);
}
} else {
status = _notmuch_message_crypto_potential_payload (node->ctx->msg_crypto, part, parent ? parent->part : NULL, numchild);
if (status)
fprintf (stderr, "Warning: failed to record potential crypto payload (%s).\n", notmuch_status_to_string (status));
}
return node;
@ -332,7 +351,7 @@ mime_node_child (mime_node_t *parent, int child)
INTERNAL_ERROR ("Unexpected GMimeObject type: %s",
g_type_name (G_OBJECT_TYPE (parent->part)));
}
node = _mime_node_create (parent, sub);
node = _mime_node_create (parent, sub, child);
if (child == parent->next_child && parent->next_part_num != -1) {
/* We're traversing in depth-first order. Record the child's