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agent: Add --card option for READKEY.

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* agent/findkey.c (agent_write_shadow_key): New.
* agent/command-ssh.c (card_key_available): Use agent_write_shadow_key.
* agent/learncard.c (agent_handle_learn): Likewise.
* agent/command.c (cmd_readkey): Add --card option.
--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2016-10-20 12:05:15 +09:00
parent 72a99f582d
commit 82cbab906a
5 changed files with 100 additions and 70 deletions
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32
agent/command-ssh.c
View file

@ -2474,39 +2474,9 @@ card_key_available (ctrl_t ctrl, gcry_sexp_t *r_pk, char **cardsn)
if ( agent_key_available (grip) )
{
/* (Shadow)-key is not available in our key storage. */
unsigned char *shadow_info;
unsigned char *tmp;
shadow_info = make_shadow_info (serialno, authkeyid);
if (!shadow_info)
{
err = gpg_error_from_syserror ();
xfree (pkbuf);
gcry_sexp_release (s_pk);
xfree (serialno);
xfree (authkeyid);
return err;
}
err = agent_shadow_key (pkbuf, shadow_info, &tmp);
xfree (shadow_info);
err = agent_write_shadow_key (grip, serialno, authkeyid, pkbuf, 0);
if (err)
{
log_error (_("shadowing the key failed: %s\n"), gpg_strerror (err));
xfree (pkbuf);
gcry_sexp_release (s_pk);
xfree (serialno);
xfree (authkeyid);
return err;
}
xfree (pkbuf);
pkbuf = tmp;
pkbuflen = gcry_sexp_canon_len (pkbuf, 0, NULL, NULL);
assert (pkbuflen);
err = agent_write_private_key (grip, pkbuf, pkbuflen, 0);
if (err)
{
log_error (_("error writing key: %s\n"), gpg_strerror (err));
xfree (pkbuf);
gcry_sexp_release (s_pk);
xfree (serialno);