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common: Allow a second input stream for gnupg_exec_tool_stream.

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* common/exechelp-posix.c (do_exec): Add arg 'except' and pass to
close_all_fds.
(gnupg_spawn_process): Add arg 'except'.  Change callers to pass NULL
for it.
* common/exechelp-w32.c (gnupg_spawn_process): Add dummy arg 'except'.
* common/exechelp-w32ce.c (gnupg_spawn_process): Ditto.
* common/exectool.c (copy_buffer_do_copy): Allow NULL for SINK.
(gnupg_exec_tool_stream): Add arg 'inextra'. Change callers to pass
NULL for it.  Allow NULL for OUTPUT.
--

This hack is a first step to allow calling gpg for verification of
signatures.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-05-27 22:48:04 +02:00
parent e6d9a2d07e
commit 44a32455c8
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GPG key ID: E3FDFF218E45B72B
10 changed files with 124 additions and 36 deletions
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4
common/exechelp-w32.c
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@ -357,7 +357,7 @@ gnupg_create_pipe (int filedes[2])
/* Fork and exec the PGMNAME, see exechelp.h for details. */
gpg_error_t
gnupg_spawn_process (const char *pgmname, const char *argv[],
void (*preexec)(void), unsigned int flags,
int *except, void (*preexec)(void), unsigned int flags,
estream_t *r_infp,
estream_t *r_outfp,
estream_t *r_errfp,
@ -388,6 +388,8 @@ gnupg_spawn_process (const char *pgmname, const char *argv[],
es_syshd_t syshd;
gpg_err_source_t errsource = default_errsource;
(void)except; /* Not yet used. */
if (r_infp)
*r_infp = NULL;
if (r_outfp)