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Some changes to suport g13.

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This commit is contained in:
Werner Koch 2009-09-30 15:28:38 +00:00
parent c11c23b6ac
commit 27c1b4bef8
37 changed files with 2069 additions and 324 deletions
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81
common/exechelp.c
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@ -304,7 +304,7 @@ build_w32_commandline (const char *pgmname, const char * const *argv,
#ifdef HAVE_W32_SYSTEM
/* Create pipe where the write end is inheritable. */
static int
create_inheritable_pipe (int filedes[2])
create_inheritable_pipe_w (int filedes[2])
{
HANDLE r, w, h;
SECURITY_ATTRIBUTES sec_attr;
@ -332,6 +332,37 @@ create_inheritable_pipe (int filedes[2])
filedes[1] = handle_to_fd (w);
return 0;
}
/* Create pipe where the read end is inheritable. */
static int
create_inheritable_pipe_r (int filedes[2])
{
HANDLE r, w, h;
SECURITY_ATTRIBUTES sec_attr;
memset (&sec_attr, 0, sizeof sec_attr );
sec_attr.nLength = sizeof sec_attr;
sec_attr.bInheritHandle = FALSE;
if (!CreatePipe (&r, &w, &sec_attr, 0))
return -1;
if (!DuplicateHandle (GetCurrentProcess(), r,
GetCurrentProcess(), &h, 0,
TRUE, DUPLICATE_SAME_ACCESS ))
{
log_error ("DuplicateHandle failed: %s\n", w32_strerror (-1));
CloseHandle (r);
CloseHandle (w);
return -1;
}
CloseHandle (r);
r = h;
filedes[0] = handle_to_fd (r);
filedes[1] = handle_to_fd (w);
return 0;
}
#endif /*HAVE_W32_SYSTEM*/
@ -425,7 +456,51 @@ gnupg_create_inbound_pipe (int filedes[2])
filedes[0] = filedes[1] = -1;
err = gpg_error (GPG_ERR_GENERAL);
if (!create_inheritable_pipe (fds))
if (!create_inheritable_pipe_w (fds))
{
filedes[0] = _open_osfhandle (fds[0], 0);
if (filedes[0] == -1)
{
log_error ("failed to translate osfhandle %p\n", (void*)fds[0]);
CloseHandle (fd_to_handle (fds[1]));
}
else
{
filedes[1] = _open_osfhandle (fds[1], 1);
if (filedes[1] == -1)
{
log_error ("failed to translate osfhandle %p\n", (void*)fds[1]);
close (filedes[0]);
filedes[0] = -1;
CloseHandle (fd_to_handle (fds[1]));
}
else
err = 0;
}
}
#else
if (pipe (filedes) == -1)
{
err = gpg_error_from_syserror ();
filedes[0] = filedes[1] = -1;
}
#endif
return err;
}
/* Portable function to create a pipe. Under Windows the read end is
inheritable. */
gpg_error_t
gnupg_create_outbound_pipe (int filedes[2])
{
gpg_error_t err = 0;
#if HAVE_W32_SYSTEM
int fds[2];
filedes[0] = filedes[1] = -1;
err = gpg_error (GPG_ERR_GENERAL);
if (!create_inheritable_pipe_r (fds))
{
filedes[0] = _open_osfhandle (fds[0], 0);
if (filedes[0] == -1)
@ -522,7 +597,7 @@ gnupg_spawn_process (const char *pgmname, const char *argv[],
return err;
/* Create a pipe. */
if (create_inheritable_pipe (rp))
if (create_inheritable_pipe_w (rp))
{
err = gpg_error (GPG_ERR_GENERAL);
log_error (_("error creating a pipe: %s\n"), gpg_strerror (err));