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108 lines
4.7 KiB
C
108 lines
4.7 KiB
C
/*
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* omemo.h
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* vim: expandtab:ts=4:sts=4:sw=4
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*
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* Copyright (C) 2019 Paul Fariello <paul@fariello.eu>
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*
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* This file is part of Profanity.
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*
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* Profanity is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Profanity is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Profanity. If not, see <https://www.gnu.org/licenses/>.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link the code of portions of this program with the OpenSSL library under
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* certain conditions as described in each individual source file, and
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* distribute linked combinations including the two.
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*
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* You must obey the GNU General Public License in all respects for all of the
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* code used other than OpenSSL. If you modify file(s) with this exception, you
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* may extend this exception to your version of the file(s), but you are not
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* obligated to do so. If you do not wish to do so, delete this exception
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* statement from your version. If you delete this exception statement from all
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* source files in the program, then also delete it here.
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*
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*/
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#include <glib.h>
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#include <gcrypt.h>
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#include "ui/ui.h"
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#include "config/account.h"
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#define OMEMO_ERR_UNSUPPORTED_CRYPTO -10000
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#define OMEMO_ERR_GCRYPT -20000
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#define OMEMO_AESGCM_NONCE_LENGTH AES128_GCM_IV_LENGTH
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#define OMEMO_AESGCM_KEY_LENGTH 32
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#define OMEMO_AESGCM_URL_SCHEME "aesgcm"
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typedef enum {
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PROF_OMEMOPOLICY_MANUAL,
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PROF_OMEMOPOLICY_AUTOMATIC,
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PROF_OMEMOPOLICY_ALWAYS
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} prof_omemopolicy_t;
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typedef struct omemo_context_t omemo_context;
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typedef struct omemo_key
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{
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unsigned char* data;
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size_t length;
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gboolean prekey;
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uint32_t device_id;
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uint32_t id;
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} omemo_key_t;
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void omemo_init(void);
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void omemo_close(void);
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void omemo_on_connect(ProfAccount* account);
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void omemo_on_disconnect(void);
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void omemo_generate_crypto_materials(ProfAccount* account);
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void omemo_key_free(omemo_key_t* key);
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void omemo_publish_crypto_materials(void);
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uint32_t omemo_device_id(void);
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void omemo_identity_key(unsigned char** output, size_t* length);
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void omemo_signed_prekey(unsigned char** output, size_t* length);
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void omemo_signed_prekey_signature(unsigned char** output, size_t* length);
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void omemo_prekeys(GList** prekeys, GList** ids, GList** lengths);
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void omemo_set_device_list(const char* const jid, GList* device_list);
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GKeyFile* omemo_identity_keyfile(void);
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void omemo_identity_keyfile_save(void);
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GKeyFile* omemo_trust_keyfile(void);
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void omemo_trust_keyfile_save(void);
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GKeyFile* omemo_sessions_keyfile(void);
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void omemo_sessions_keyfile_save(void);
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char* omemo_format_fingerprint(const char* const fingerprint);
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char* omemo_own_fingerprint(gboolean formatted);
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void omemo_trust(const char* const jid, const char* const fingerprint);
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void omemo_untrust(const char* const jid, const char* const fingerprint);
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GList* omemo_known_device_identities(const char* const jid);
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gboolean omemo_is_trusted_identity(const char* const jid, const char* const fingerprint);
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char* omemo_fingerprint_autocomplete(const char* const search_str, gboolean previous, void* context);
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void omemo_fingerprint_autocomplete_reset(void);
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gboolean omemo_automatic_start(const char* const recipient);
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void omemo_start_sessions(void);
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void omemo_start_session(const char* const barejid);
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void omemo_start_muc_sessions(const char* const roomjid);
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void omemo_start_device_session(const char* const jid, uint32_t device_id, GList* prekeys, uint32_t signed_prekey_id, const unsigned char* const signed_prekey, size_t signed_prekey_len, const unsigned char* const signature, size_t signature_len, const unsigned char* const identity_key, size_t identity_key_len);
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gboolean omemo_loaded(void);
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char* omemo_on_message_send(ProfWin* win, const char* const message, gboolean request_receipt, gboolean muc, const char* const replace_id);
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char* omemo_on_message_recv(const char* const from, uint32_t sid, const unsigned char* const iv, size_t iv_len, GList* keys, const unsigned char* const payload, size_t payload_len, gboolean muc, gboolean* trusted);
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char* omemo_encrypt_file(FILE* in, FILE* out, off_t file_size, int* gcry_res);
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gcry_error_t omemo_decrypt_file(FILE* in, FILE* out, off_t file_size, const char* fragment);
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void omemo_free(void* a);
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int omemo_parse_aesgcm_url(const char* aesgcm_url, char** https_url, char** fragment);
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