scd: Support direct use of app with PKSIGN.

* scd/command.c (cmd_pksign): When length of keyidstr is 40, it is
considered a keygrip for direct use.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2019-04-26 11:00:53 +09:00
parent 874bc970ba
commit c2da86bbf1
1 changed files with 26 additions and 5 deletions

View File

@ -757,6 +757,8 @@ cmd_pksign (assuan_context_t ctx, char *line)
size_t outdatalen;
char *keyidstr;
int hash_algo;
app_t app;
int direct = 0;
if (has_option (line, "--hash=rmd160"))
hash_algo = GCRY_MD_RMD160;
@ -789,11 +791,30 @@ cmd_pksign (assuan_context_t ctx, char *line)
if (!keyidstr)
return out_of_core ();
rc = app_sign (ctrl->app_ctx, ctrl,
keyidstr, hash_algo,
pin_cb, ctx,
ctrl->in_data.value, ctrl->in_data.valuelen,
&outdata, &outdatalen);
/* When it's a keygrip, we directly use APP, with no change of
ctrl->app_ctx. */
if (strlen (keyidstr) == 40)
{
app = app_do_with_keygrip (ctrl, KEYGRIP_ACTION_LOOKUP, keyidstr);
direct = 1;
}
else
app = ctrl->app_ctx;
if (app)
{
if (direct)
app->ref_count++;
rc = app_sign (app, ctrl,
keyidstr, hash_algo,
pin_cb, ctx,
ctrl->in_data.value, ctrl->in_data.valuelen,
&outdata, &outdatalen);
if (direct)
app->ref_count--;
}
else
rc = gpg_error (GPG_ERR_NO_SECKEY);
xfree (keyidstr);
if (rc)