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scd: Fix duplicate output of KEYPAIRINFO by readkey command.

Browse source 
* scd/app-help.c (app_help_get_keygrip_string_pk): Make HEXKEYGRIP
parm optional.
* scd/command.c (do_readkey): Remove duplicate output of keypairinfo
lines.
--

Note that this change needs a fix in app-p15 which does not yet handle
the APP_READKEY_FLAG_INFO.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2021-04-08 19:27:25 +02:00
parent 36355394d8
commit 22fd48e48d
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
2 changed files with 14 additions and 12 deletions
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18
scd/command.c
View file

@ -471,11 +471,11 @@ static const char hlp_learn[] =
"\n"
"For certain cards, more information will be returned:\n"
"\n"
" S KEY-FPR <no> <hexstring>\n"
" S KEY-FPR <keyref> <hexstring>\n"
"\n"
"For OpenPGP cards this returns the stored fingerprints of the\n"
"For some cards this returns the stored fingerprints of the\n"
"keys. This can be used check whether a key is available on the\n"
"card. NO may be 1, 2 or 3.\n"
"card. KEYREF may be 1, 2 or 3 for OpenPGP or a standard keyref.\n"
"\n"
" S CA-FPR <no> <hexstring>\n"
"\n"
@ -616,19 +616,19 @@ cmd_readcert (assuan_context_t ctx, char *line)
static gpg_error_t
do_readkey (card_t card, ctrl_t ctrl, const char *line,
int opt_info, int opt_nokey,
unsigned char **pk_p, size_t *pklen_p)
int opt_info, unsigned char **pk_p, size_t *pklen_p)
{
int rc;
int direct_readkey = 0;
/* If the application supports the READKEY function we use that.
Otherwise we use the old way by extracting it from the
certificate. */
rc = app_readkey (card, ctrl, line,
opt_info? APP_READKEY_FLAG_INFO : 0,
opt_nokey? NULL : pk_p, pklen_p);
pk_p, pklen_p);
if (!rc)
; /* Got the key. */
direct_readkey = 1; /* Got the key. */
else if (gpg_err_code (rc) == GPG_ERR_UNSUPPORTED_OPERATION
|| gpg_err_code (rc) == GPG_ERR_NOT_FOUND)
{
@ -651,7 +651,7 @@ do_readkey (card_t card, ctrl_t ctrl, const char *line,
else
log_error ("app_readkey failed: %s\n", gpg_strerror (rc));
if (!rc && opt_info)
if (!rc && opt_info && !direct_readkey)
{
char keygripstr[KEYGRIP_LEN*2+1];
char *algostr;
@ -730,7 +730,7 @@ cmd_readkey (assuan_context_t ctx, char *line)
if (direct)
card_ref (card);
rc = do_readkey (card, ctrl, line, opt_info, opt_nokey, &pk, &pklen);
rc = do_readkey (card, ctrl, line, opt_info, &pk, &pklen);
if (direct)
card_unref (card);