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w32: Try more places to find an installed Pinentry.

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* common/homedir.c (get_default_pinentry_name): Re-implement to
support several choices for Windows.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2015-07-28 12:52:26 +02:00
parent 55e64f47a5
commit 18f1e627c6
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
2 changed files with 44 additions and 8 deletions
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41
common/homedir.c
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@ -613,6 +613,26 @@ dirmngr_user_socket_name (void)
static const char *
get_default_pinentry_name (int reset)
{
static struct {
const char *(*rfnc)(void);
const char *name;
} names[] = {
/* The first entry is what we return in case we found no
other pinentry. */
{ gnupg_bindir, DIRSEP_S "pinentry" EXEEXT_S },
#ifdef HAVE_W32_SYSTEM
/* Try Gpg4win directory (with bin and without.) */
{ w32_rootdir, "\\..\\Gpg4win\\bin\\pinentry.exe" },
{ w32_rootdir, "\\..\\Gpg4win\\pinentry.exe" },
/* Try old Gpgwin directory. */
{ w32_rootdir, "\\..\\GNU\\GnuPG\\pinentry.exe" },
/* Try a Pinentry from the common GNU dir. */
{ w32_rootdir, "\\..\\GNU\\bin\\pinentry.exe" },
#endif
/* Last chance is a pinentry-basic (which comes with the
GnuPG 2.1 Windows installer). */
{ gnupg_bindir, DIRSEP_S "pinentry-basic" EXEEXT_S }
};
static char *name;
if (reset)
@ -623,22 +643,27 @@ get_default_pinentry_name (int reset)
if (!name)
{
name = xstrconcat (gnupg_bindir (),
DIRSEP_S "pinentry" EXEEXT_S, NULL);
if (access (name, F_OK) && errno == ENOENT)
int i;
for (i=0; i < DIM(names); i++)
{
char *name2;
name2 = xstrconcat (gnupg_bindir (),
DIRSEP_S "pinentry-basic" EXEEXT_S, NULL);
if (access (name2, F_OK))
xfree (name2); /* Does not exist. */
else /* Switch to pinentry-basic. */
name2 = xstrconcat (names[i].rfnc (), names[i].name, NULL);
if (!access (name2, F_OK))
{
/* Use that pinentry. */
xfree (name);
name = name2;
break;
}
if (!i) /* Store the first as fallback return. */
name = name2;
else
xfree (name2);
}
}
return name;
}