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common,kbx,tests: Clean up the PIPE function API.

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* common/call-gpg.c (_gpg_encrypt, _gpg_decrypt): Simply, use
gnupg_create_pipe.
* tests/gpgscm/ffi.c (do_inbound_pipe): Likewise.
* common/exechelp.h (gnupg_create_inbound_pipe): Use gnupg_fd_t
for native pipe descriptor and don't expose other end of pipe.
(gnupg_create_outbound_pipe): Ditto.
* common/exechelp-posix.c (create_pipe_and_estream): Clean up.
(gnupg_create_inbound_pipe): Fail if R_FD or R_FP is NULL.
(gnupg_create_outbound_pipe: Ditto.
* common/exechelp-w32.c (create_pipe_and_estream): Clean up.
(gnupg_create_inbound_pipe): Fail if R_FD or R_FP is NULL.
(gnupg_create_outbound_pipe: Ditto.
(gnupg_create_pipe): Move the code from original
create_pipe_and_estream to call _open_osfhandle.
* common/exectool.c (gnupg_exec_tool_stream): Follow the change of
API.
* kbx/kbx-client-util.c (prepare_data_pipe): Likewise.

--

GnuPG-bug-id: 7194
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2024-07-09 10:29:44 +09:00
parent 953dd67368
commit af6c47b291
No known key found for this signature in database
GPG key ID: 640114AF89DE6054
7 changed files with 144 additions and 114 deletions
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24
common/exectool.c
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@ -331,7 +331,7 @@ gnupg_exec_tool_stream (const char *pgmname, const char *argv[],
#else
int exceptclose[2];
#endif
int extrapipe[2] = {-1, -1};
gnupg_fd_t extrapipe;
char extrafdbuf[20];
const char *argsave = NULL;
int argsaveidx;
@ -387,7 +387,7 @@ gnupg_exec_tool_stream (const char *pgmname, const char *argv[],
if (inextra)
{
err = gnupg_create_outbound_pipe (extrapipe, &extrafp, 1);
err = gnupg_create_outbound_pipe (&extrapipe, &extrafp, 1);
if (err)
{
log_error ("error creating outbound pipe for extra fp: %s\n",
@ -395,11 +395,7 @@ gnupg_exec_tool_stream (const char *pgmname, const char *argv[],
goto leave;
}
/* Do not close in child. */
#ifdef HAVE_W32_SYSTEM
exceptclose[i] = (HANDLE)_get_osfhandle (extrapipe[0]);
#else
exceptclose[i] = extrapipe[0];
#endif
exceptclose[i] = extrapipe;
/* Now find the argument marker and replace by the pipe's fd.
Yeah, that is an ugly non-thread safe hack but it safes us to
create a copy of the array. */
@ -424,11 +420,7 @@ gnupg_exec_tool_stream (const char *pgmname, const char *argv[],
i++;
}
#ifdef HAVE_W32_SYSTEM
exceptclose[i] = INVALID_HANDLE_VALUE;
#else
exceptclose[i] = -1;
#endif
exceptclose[i] = GNUPG_INVALID_FD;
err = gpgrt_spawn_actions_new (&act);
if (err)
@ -447,8 +439,12 @@ gnupg_exec_tool_stream (const char *pgmname, const char *argv[],
| GPGRT_PROCESS_STDERR_PIPE), act, &proc);
gpgrt_process_get_streams (proc, GPGRT_PROCESS_STREAM_NONBLOCK,
input? &infp : NULL, &outfp, &errfp);
if (extrapipe[0] != -1)
close (extrapipe[0]);
if (extrapipe != GNUPG_INVALID_FD)
#ifdef HAVE_W32_SYSTEM
CloseHandle (extrapipe);
#else
close (extrapipe);
#endif
if (argsave)
argv[argsaveidx] = argsave;
if (err)