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6bdf11f671
* common/ksba-io-support.c: Include tlv.h
(struct reader_cb_parm_s): Add new fields.
(starts_with_sequence): New.
(simple_reader_cb): Handle stripping.
* common/ksba-io-support.h (GNUPG_KSBA_IO_STRIP): New.
(gnupg_ksba_create_reader): Handle the new flag.
* sm/verify.c (gpgsm_verify): Use the new flag for detached
signatures.
--
Note that this works only if --assume-binary is given. The use case
for the feature is PDF signature checking where the PDF specs require
that the detached signature is padded with zeroes.
(cherry picked from commit 2a13f7f9dc)
76 lines
2.8 KiB
C
76 lines
2.8 KiB
C
/* ksba-io-support.h - Supporting functions for ksba reader and writer
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* Copyright (C) 2017 Werner Koch
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*
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* This file is part of GnuPG.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* This file 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 this program; if not, see <https://www.gnu.org/licenses/>.
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* SPDX-License-Identifier: (LGPL-3.0-or-later OR GPL-2.0-or-later)
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*/
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#ifndef GNUPG_KSBA_IO_SUPPORT_H
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#define GNUPG_KSBA_IO_SUPPORT_H
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/* Flags used with gnupg_ksba_create_reader and
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* gnupg_ksba_create_writer. */
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#define GNUPG_KSBA_IO_PEM 1 /* X.509 PEM format. */
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#define GNUPG_KSBA_IO_BASE64 2 /* Plain Base64 format. */
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#define GNUPG_KSBA_IO_AUTODETECT 4 /* Try to autodetect the format. */
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#define GNUPG_KSBA_IO_MULTIPEM 8 /* Allow more than one PEM chunk. */
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#define GNUPG_KSBA_IO_STRIP 16 /* Strip off zero padding. */
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/* Context object. */
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typedef struct gnupg_ksba_io_s *gnupg_ksba_io_t;
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/* Progress callback type. */
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typedef gpg_error_t (*gnupg_ksba_progress_cb_t)(ctrl_t ctrl,
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uint64_t current,
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uint64_t total);
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gpg_error_t gnupg_ksba_create_reader (gnupg_ksba_io_t *ctx,
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unsigned int flags,
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estream_t fp,
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ksba_reader_t *r_reader);
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int gnupg_ksba_reader_eof_seen (gnupg_ksba_io_t ctx);
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void gnupg_ksba_destroy_reader (gnupg_ksba_io_t ctx);
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gpg_error_t gnupg_ksba_create_writer (gnupg_ksba_io_t *ctx,
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unsigned int flags,
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const char *pem_name,
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estream_t stream,
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ksba_writer_t *r_writer);
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gpg_error_t gnupg_ksba_finish_writer (gnupg_ksba_io_t ctx);
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void gnupg_ksba_destroy_writer (gnupg_ksba_io_t ctx);
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void gnupg_ksba_set_progress_cb (gnupg_ksba_io_t ctx,
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gnupg_ksba_progress_cb_t cb, ctrl_t ctrl);
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void gnupg_ksba_set_total (gnupg_ksba_io_t ctx, uint64_t total);
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#endif /*GNUPG_KSBA_IO_SUPPORT_H*/
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