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https://github.com/deltachat/deltachat-core.git
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126 lines
4.7 KiB
C
126 lines
4.7 KiB
C
/*-
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* Copyright (c) 2009 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Alistair Crooks (agc@NetBSD.org)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 2005-2008 Nominet UK (www.nic.uk)
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* All rights reserved.
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* Contributors: Ben Laurie, Rachel Willmer. The Contributors have asserted
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* their moral rights under the UK Copyright Design and Patents Act 1988 to
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* be recorded as the authors of this copyright work.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License.
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*
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef READERWRITER_H_
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#define READERWRITER_H_
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#include "create.h"
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#include "memory.h"
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/* if this is defined, we'll use mmap in preference to file ops */
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#define USE_MMAP_FOR_FILES 1
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void pgp_reader_set_fd(pgp_stream_t *, int);
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void pgp_reader_set_mmap(pgp_stream_t *, int);
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void pgp_reader_set_memory(pgp_stream_t *, const void *, size_t);
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/* Do a sum mod 65536 of all bytes read (as needed for secret keys) */
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void pgp_reader_push_sum16(pgp_stream_t *);
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uint16_t pgp_reader_pop_sum16(pgp_stream_t *);
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void pgp_reader_push_se_ip_data(pgp_stream_t *, pgp_crypt_t *,
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pgp_region_t *);
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void pgp_reader_pop_se_ip_data(pgp_stream_t *);
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/* */
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unsigned pgp_write_mdc(pgp_output_t *, const uint8_t *);
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unsigned pgp_write_se_ip_pktset(pgp_output_t *, const uint8_t *,
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const unsigned,
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pgp_crypt_t *);
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void pgp_push_enc_crypt(pgp_output_t *, pgp_crypt_t *);
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int pgp_push_enc_se_ip(pgp_output_t *, const pgp_keyring_t *, const char *, unsigned);
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/* Secret Key checksum */
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void pgp_push_checksum_writer(pgp_output_t *, pgp_seckey_t *);
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unsigned pgp_pop_skey_checksum_writer(pgp_output_t *);
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/* memory writing */
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void pgp_setup_memory_write(pgp_output_t **, pgp_memory_t **, size_t);
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void pgp_teardown_memory_write(pgp_output_t *, pgp_memory_t *);
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/* memory reading */
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void pgp_setup_memory_read(pgp_io_t *,
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pgp_stream_t **,
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pgp_memory_t *,
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void *,
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pgp_cb_ret_t callback(const pgp_packet_t *,
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pgp_cbdata_t *),
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unsigned);
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void pgp_teardown_memory_read(pgp_stream_t *, pgp_memory_t *);
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/* file writing */
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int pgp_setup_file_write(pgp_output_t **, const char *, unsigned);
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void pgp_teardown_file_write(pgp_output_t *, int);
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/* file appending */
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int pgp_setup_file_append(pgp_output_t **, const char *);
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void pgp_teardown_file_append(pgp_output_t *, int);
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/* file reading */
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int pgp_setup_file_read(pgp_io_t *,
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pgp_stream_t **,
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const char *,
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void *,
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pgp_cb_ret_t callback(const pgp_packet_t *,
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pgp_cbdata_t *),
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unsigned);
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void pgp_teardown_file_read(pgp_stream_t *, int);
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unsigned pgp_reader_set_accumulate(pgp_stream_t *, unsigned);
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/* useful callbacks */
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pgp_cb_ret_t pgp_litdata_cb(const pgp_packet_t *, pgp_cbdata_t *);
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pgp_cb_ret_t pgp_pk_sesskey_cb(const pgp_packet_t *, pgp_cbdata_t *);
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pgp_cb_ret_t pgp_get_seckey_cb(const pgp_packet_t *, pgp_cbdata_t *);
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int pgp_getpassphrase(void *, char *, size_t);
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#endif /* READERWRITER_H_ */
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