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2b19474aab
* agent/gpg-agent.c (handle_connections): It's for POSIX.
* kbx/keyboxd.c (handle_connections): Ditto.
* scd/app.c (handle_connections): Ditto.
* scd/scdaemon.c (handle_connections): Ditto.
tpm2d/tpm2daemon.c (handle_connections): Ditto.
* tests/gpgscm/ffi.c (do_pipe): Use GNUPG_PIPE_BOTH.
(do_inbound_pipe): Use GNUPG_PIPE_INBOUND.
(do_outbound_pipe): Use GNUPG_PIPE_OUTBOUND.
* common/call-gpg.c (_gpg_encrypt): Specify outbound and inbound.
(_gpg_decrypt): Likewise.
* common/exechelp-posix.c (gnupg_create_pipe): Add an argument.
* common/exechelp-w32.c (create_pipe_and_estream): Care about
how PIPE handles are inherited to child process.
(gnupg_create_pipe): Add an argument.
* common/exechelp.h: Add enum values.
--
Fixes-commit: af6c47b291
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
82 lines
3.1 KiB
C
82 lines
3.1 KiB
C
/* exechelp.h - Definitions for the fork and exec helpers
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* Copyright (C) 2004, 2009, 2010 Free Software Foundation, Inc.
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* Copyright (C) 2004, 2006-2012, 2014-2017 g10 Code GmbH
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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 GPL-2.0+)
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*/
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#ifndef GNUPG_COMMON_EXECHELP_H
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#define GNUPG_COMMON_EXECHELP_H
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/* Return the maximum number of currently allowed file descriptors.
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Only useful on POSIX systems. */
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int get_max_fds (void);
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/* Close all file descriptors starting with descriptor FIRST. If
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EXCEPT is not NULL, it is expected to be a list of file descriptors
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which are not to close. This list shall be sorted in ascending
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order with its end marked by -1. */
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void close_all_fds (int first, const int *except);
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/* Returns an array with all currently open file descriptors. The end
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of the array is marked by -1. The caller needs to release this
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array using the *standard free* and not with xfree. This allow the
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use of this function right at startup even before libgcrypt has
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been initialized. Returns NULL on error and sets ERRNO accordingly. */
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int *get_all_open_fds (void);
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/* Portable function to create a pipe. Under Windows the write end is
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inheritable. Pipe is created and the read end is stored at R_FD.
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An estream is created for the write end and stored at R_FP. */
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gpg_error_t gnupg_create_inbound_pipe (gnupg_fd_t *r_fd,
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estream_t *r_fp, int nonblock);
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/* Portable function to create a pipe. Under Windows the read end is
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inheritable. Pipe is created and the write end is stored at R_FD.
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An estream is created for the write end and stored at R_FP. */
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gpg_error_t gnupg_create_outbound_pipe (gnupg_fd_t *r_fd,
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estream_t *r_fp, int nonblock);
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enum {
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GNUPG_PIPE_DONTCARE=0,
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GNUPG_PIPE_INBOUND=1,
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GNUPG_PIPE_OUTBOUND=2,
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GNUPG_PIPE_BOTH=3
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};
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/* Portable function to create a pipe. FLAGS=GNUPG_PIPE_INBOUND for
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ihneritable write-end for Windows, GNUPG_PIPE_OUTBOUND for
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inheritable read-end for Windows, GNUPG_PIPE_BOTH to specify
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both ends may be inheritable. */
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gpg_error_t gnupg_create_pipe (int filedes[2], int flags);
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#endif /*GNUPG_COMMON_EXECHELP_H*/
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