mirror of
https://git.notmuchmail.org/git/notmuch
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0756d25872
This is the result of running
$ uncrustify --replace --config ../devel/uncrustify.cfg *.c *.h
in the util directory
106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
#ifndef _CRYPTO_H
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#define _CRYPTO_H
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#include <stdbool.h>
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#include "gmime-extra.h"
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#include "notmuch.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _notmuch_crypto {
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bool verify;
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notmuch_decryption_policy_t decrypt;
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} _notmuch_crypto_t;
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GMimeObject *
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_notmuch_crypto_decrypt (bool *attempted,
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notmuch_decryption_policy_t decrypt,
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notmuch_message_t *message,
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GMimeObject *part,
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GMimeDecryptResult **decrypt_result,
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GError **err);
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void
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_notmuch_crypto_cleanup (_notmuch_crypto_t *crypto);
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/* The user probably wants to know if the entire message was in the
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* clear. When replying, the MUA probably wants to know whether there
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* was any part decrypted in the message. And when displaying to the
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* user, we probably only want to display "encrypted message" if the
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* entire message was covered by encryption. */
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typedef enum {
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NOTMUCH_MESSAGE_DECRYPTED_NONE = 0,
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NOTMUCH_MESSAGE_DECRYPTED_PARTIAL,
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NOTMUCH_MESSAGE_DECRYPTED_FULL,
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} _notmuch_message_decryption_status_t;
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/* description of the cryptographic state of a given message overall;
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* for use by simple user agents.
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*/
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typedef struct _notmuch_message_crypto {
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/* encryption status: partial, full, none */
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_notmuch_message_decryption_status_t decryption_status;
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/* FIXME: can we show what key(s) a fully-encrypted message was
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* encrypted to? This data is not necessarily cryptographically
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* reliable; even when we decrypt, we might not know which public
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* key was used (e.g. if we're using a session key). */
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/* signature status of the whole message (either the whole message
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* is signed, or it is not) -- this means that partially-signed
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* messages will get no signature status. */
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GMimeSignatureList *sig_list;
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/* if part of the message was signed, and the MUA is clever, it
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* can determine on its own exactly which part and try to make
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* more sense of it. */
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/* mark this flag once we encounter a payload (i.e. something that
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* is not part of the cryptographic envelope) */
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bool payload_encountered;
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/* the value of any "Subject:" header in the cryptographic payload
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* (the top level part within the crypto envelope), converted to
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* UTF-8 */
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char *payload_subject;
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/* if both signed and encrypted, was the signature encrypted? */
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bool signature_encrypted;
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} _notmuch_message_crypto_t;
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/* _notmuch_message_crypto_t objects should be released with
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* talloc_free (), or they will be released along with their parent
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* context.
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*/
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_notmuch_message_crypto_t *
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_notmuch_message_crypto_new (void *ctx);
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/* call potential_sig_list during a depth-first-search on a message to
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* consider a particular signature as relevant for the message.
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*/
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notmuch_status_t
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_notmuch_message_crypto_potential_sig_list (_notmuch_message_crypto_t *msg_crypto,
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GMimeSignatureList *sigs);
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/* call successful_decryption during a depth-first-search on a message
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* to indicate that a part was successfully decrypted.
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*/
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notmuch_status_t
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_notmuch_message_crypto_successful_decryption (_notmuch_message_crypto_t *msg_crypto);
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/* call potential_payload during a depth-first-search on a message
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* when encountering a message part that is not part of the envelope.
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*
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* Returns true if part is the root of the cryptographic payload of
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* this message.
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*/
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bool
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_notmuch_message_crypto_potential_payload (_notmuch_message_crypto_t *msg_crypto, GMimeObject *part,
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GMimeObject *parent, int childnum);
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#ifdef __cplusplus
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}
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#endif
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#endif
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