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Do not use a broken ttyname.

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* configure.ac (HAVE_BROKEN_TTYNAME): New ac_define set for Android
systems.
* common/util.h (gnupg_ttyname): New macro.  Change all callers of
ttyname to use this macro instead.
(ttyname) [W32]: Rename to _gnupg_ttyname and use also if
HAVE_BROKEN_TTYNAME is defined.
* common/simple-pwquery.c (agent_send_all_options): Keep on using
ttyname unless HAVE_BROKEN_TTYNAME is set.  This is because this file
may be used standalone.
This commit is contained in:
Werner Koch 2012-11-20 19:01:13 +01:00
parent e7bc5012c5
commit 835698b72b
6 changed files with 24 additions and 9 deletions
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7
common/session-env.c
View file

@ -338,8 +338,11 @@ session_env_getenv_or_default (session_env_t se, const char *name,
/* Get the default value with an additional fallback for GPG_TTY. */
defvalue = getenv (name);
if ((!defvalue || !*defvalue) && !strcmp (name, "GPG_TTY") && ttyname (0))
defvalue = ttyname (0);
if ((!defvalue || !*defvalue) && !strcmp (name, "GPG_TTY")
&& gnupg_ttyname (0))
{
defvalue = gnupg_ttyname (0);
}
if (defvalue)
{
/* Record the default value for later use so that we are safe

2
common/simple-pwquery.c
View file

@ -222,7 +222,7 @@ agent_send_all_options (int fd)
}
dft_ttyname = getenv ("GPG_TTY");
#ifndef HAVE_W32_SYSTEM
#if !defined(HAVE_W32_SYSTEM) && !defined(HAVE_BROKEN_TTYNAME)
if ((!dft_ttyname || !*dft_ttyname) && ttyname (0))
dft_ttyname = ttyname (0);
#endif

12
common/util.h
View file

@ -291,15 +291,21 @@ int gnupg_compare_version (const char *a, const char *b);
/*-- Simple replacement functions. */
#ifndef HAVE_TTYNAME
/* We use the gnupg_ttyname macro to be safe not to run into conflicts
which an extisting but broken ttyname. */
#if !defined(HAVE_TTYNAME) || defined(HAVE_BROKEN_TTYNAME)
# define gnupg_ttyname(n) _gnupg_ttyname ((n))
/* Systems without ttyname (W32) will merely return NULL. */
static inline char *
ttyname (int fd)
_gnupg_ttyname (int fd)
{
(void)fd;
return NULL;
}
#endif /* !HAVE_TTYNAME */
#else /*HAVE_TTYNAME*/
# define gnupg_ttyname(n) ttyname ((n))
#endif /*HAVE_TTYNAME */
#ifdef HAVE_W32CE_SYSTEM
#define getpid() GetCurrentProcessId ()