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w32: Fix spawn functions for Windows for _fd use case.

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Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2022-11-30 11:35:41 +09:00
parent bd062b1dbd
commit 97cbb507fa
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GPG Key ID: 640114AF89DE6054
3 changed files with 53 additions and 15 deletions
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52
common/exechelp-w32.c
View File

@ -1122,9 +1122,11 @@ spawn_detached (gnupg_process_t process,
sca.ask_inherit = FALSE;
sca.allow_foreground_window = FALSE;
sca.plpAttributeList = &si.lpAttributeList;
sca.arg = spawn_cb_arg;
sca.hd[0] = INVALID_HANDLE_VALUE;
sca.hd[1] = INVALID_HANDLE_VALUE;
sca.hd[2] = INVALID_HANDLE_VALUE;
sca.inherit_hds = NULL;
sca.arg = spawn_cb_arg;
if (spawn_cb)
(*spawn_cb) (&sca);
@ -1344,22 +1346,46 @@ gnupg_process_spawn (const char *pgmname, const char *argv[],
sca.ask_inherit = FALSE;
sca.allow_foreground_window = FALSE;
sca.plpAttributeList = &si.lpAttributeList;
sca.hd[0] = hd_in[0];
sca.hd[1] = hd_out[1];
sca.hd[2] = hd_err[1];
sca.inherit_hds = NULL;
sca.arg = spawn_cb_arg;
i = 0;
if (hd_in[0] != INVALID_HANDLE_VALUE)
sca.hd[i++] = hd_in[0];
if (hd_out[1] != INVALID_HANDLE_VALUE)
sca.hd[i++] = hd_out[1];
if (hd_err[1] != INVALID_HANDLE_VALUE)
sca.hd[i++] = hd_err[1];
sca.hd[i] = INVALID_HANDLE_VALUE;
if (spawn_cb)
(*spawn_cb) (&sca);
if (i != 0)
i = 0;
if (sca.hd[0] != INVALID_HANDLE_VALUE)
i++;
if (sca.hd[1] != INVALID_HANDLE_VALUE)
i++;
if (sca.hd[1] != INVALID_HANDLE_VALUE)
i++;
if (i != 0 || sca.inherit_hds)
{
SIZE_T attr_list_size = 0;
HANDLE hd[16];
HANDLE *hd_p = sca.inherit_hds;
int j = 0;
if (sca.hd[0] != INVALID_HANDLE_VALUE)
hd[j++] = sca.hd[0];
if (sca.hd[1] != INVALID_HANDLE_VALUE)
hd[j++] = sca.hd[1];
if (sca.hd[1] != INVALID_HANDLE_VALUE)
hd[j++] = sca.hd[2];
if (hd_p)
{
while (*hd_p != INVALID_HANDLE_VALUE)
if (j < DIM (hd))
hd[j++] = *hd_p++;
else
{
log_error ("Too much handles\n");
break;
}
}
InitializeProcThreadAttributeList (NULL, 1, 0, &attr_list_size);
si.lpAttributeList = xtrymalloc (attr_list_size);
@ -1387,7 +1413,7 @@ gnupg_process_spawn (const char *pgmname, const char *argv[],
&attr_list_size);
UpdateProcThreadAttribute (si.lpAttributeList, 0,
PROC_THREAD_ATTRIBUTE_HANDLE_LIST,
sca.hd, sizeof (HANDLE) * i, NULL, NULL);
hd, sizeof (HANDLE) * j, NULL, NULL);
sca.ask_inherit = TRUE;
}

4
common/exechelp.h
View File

@ -214,10 +214,10 @@ typedef struct gnupg_process *gnupg_process_t;
struct spawn_cb_arg;
#ifdef NEED_STRUCT_SPAWN_CB_ARG
struct spawn_cb_arg {
HANDLE hd[3];
HANDLE *inherit_hds;
BOOL ask_inherit;
BOOL allow_foreground_window;
void *plpAttributeList;
HANDLE hd[16];
void *arg;
};
#endif

12
tests/gpgscm/ffi.c
View File

@ -42,6 +42,9 @@
#endif
#include "../../common/util.h"
#ifdef HAVE_W32_SYSTEM
#define NEED_STRUCT_SPAWN_CB_ARG
#endif
#include "../../common/exechelp.h"
#include "../../common/sysutils.h"
@ -868,9 +871,18 @@ setup_std_fds (struct spawn_cb_arg *sca)
{
int *std_fds = sca->arg;
#ifdef HAVE_W32_SYSTEM
sca->hd[0] = std_fds[0] == -1?
INVALID_HANDLE_VALUE : (HANDLE)_get_osfhandle (std_fds[0]);
sca->hd[1] = std_fds[1] == -1?
INVALID_HANDLE_VALUE : (HANDLE)_get_osfhandle (std_fds[1]);
sca->hd[2] = std_fds[2] == -1?
INVALID_HANDLE_VALUE : (HANDLE)_get_osfhandle (std_fds[2]);
#else
sca->fds[0] = std_fds[0];
sca->fds[1] = std_fds[1];
sca->fds[2] = std_fds[2];
#endif
}
static pointer