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scd: Skip S/N reading for the "undefined" application.

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* scd/app.c (select_application): Skip serial number reading.
This commit is contained in:
Werner Koch 2011-12-14 18:56:10 +01:00
parent 0bac31ee9f
commit 792e137ec7
1 changed files with 51 additions and 44 deletions
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25
scd/app.c
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@ -242,11 +242,14 @@ select_application (ctrl_t ctrl, int slot, const char *name, app_t *r_app)
app_t app = NULL;
unsigned char *result = NULL;
size_t resultlen;
int want_undefined;
(void)ctrl;
*r_app = NULL;
want_undefined = (name && !strcmp (name, "undefined"));
err = lock_reader (slot, ctrl);
if (err)
return err;
@ -326,7 +329,10 @@ select_application (ctrl_t ctrl, int slot, const char *name, app_t *r_app)
/* Fixme: We should now first check whether a card is at all
present. */
/* Try to read the GDO file first to get a default serial number. */
/* Try to read the GDO file first to get a default serial number.
We skip this if the undefined application has been requested. */
if (!want_undefined)
{
err = iso7816_select_file (slot, 0x3F00, 1, NULL, NULL);
if (!err)
err = iso7816_select_file (slot, 0x2F02, 0, NULL, NULL);
@ -366,6 +372,7 @@ select_application (ctrl_t ctrl, int slot, const char *name, app_t *r_app)
xfree (result);
result = NULL;
}
}
/* For certain error codes, there is no need to try more. */
if (gpg_err_code (err) == GPG_ERR_CARD_NOT_PRESENT
@ -373,6 +380,14 @@ select_application (ctrl_t ctrl, int slot, const char *name, app_t *r_app)
goto leave;
/* Figure out the application to use. */
if (want_undefined)
{
/* We switch to the "undefined" application only if explicitly
requested. */
app->apptype = "UNDEFINED";
err = 0;
}
else
err = gpg_error (GPG_ERR_NOT_FOUND);
if (err && is_app_allowed ("openpgp")
@ -387,14 +402,6 @@ select_application (ctrl_t ctrl, int slot, const char *name, app_t *r_app)
if (err && is_app_allowed ("geldkarte")
&& (!name || !strcmp (name, "geldkarte")))
err = app_select_geldkarte (app);
if (err && is_app_allowed ("undefined")
&& (name && !strcmp (name, "undefined")))
{
/* We switch to the "undefined" application only if explicitly
requested. */
app->apptype = "UNDEFINED";
err = 0;
}
if (err && name)
err = gpg_error (GPG_ERR_NOT_SUPPORTED);