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scd: Use Gcrypt usage constants for the do_with_keygrip capabilities.

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* scd/command.c (cmd_keyinfo): Use Gcrypt constants for CAP.
* scd/app-openpgp.c (do_with_keygrip): Adjust for them.
* scd/app-piv.c (do_with_keygrip): Ditto.
--

That makes it easier to read.  An open question is whether we should
allow several capabilities and whether they are the ORed or ANDed.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-04-02 11:54:01 +02:00
parent 2ccbcfec12
commit 5b7b42e2b2
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
3 changed files with 17 additions and 8 deletions
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13
scd/app-openpgp.c
View File

@ -5454,8 +5454,16 @@ do_with_keygrip (app_t app, ctrl_t ctrl, int action, const char *keygrip_str,
}
else
{
i = capability - 1;
send_keyinfo_if_available (app, ctrl, buf, data, i);
if (capability == GCRY_PK_USAGE_SIGN)
i = 0;
else if (capability == GCRY_PK_USAGE_ENCR)
i = 1;
else if (capability == GCRY_PK_USAGE_AUTH)
i = 2;
else
i = -1;
if (i >= 0)
send_keyinfo_if_available (app, ctrl, buf, data, i);
}
/* Return an error so that the dispatcher keeps on looping
@ -5477,6 +5485,7 @@ do_with_keygrip (app_t app, ctrl_t ctrl, int action, const char *keygrip_str,
return gpg_error (GPG_ERR_NOT_FOUND);
}
/* Show information about card capabilities. */
static void
show_caps (struct app_local_s *s)

6
scd/app-piv.c
View File

@ -3513,17 +3513,17 @@ do_with_keygrip (app_t app, ctrl_t ctrl, int action,
}
else if (!want_keygripstr || !strcmp (keygripstr, want_keygripstr))
{
if (capability == 1)
if (capability == GCRY_PK_USAGE_SIGN)
{
if (strcmp (data_objects[i].keyref, "9C"))
continue;
}
if (capability == 2)
if (capability == GCRY_PK_USAGE_ENCR)
{
if (strcmp (data_objects[i].keyref, "9D"))
continue;
}
if (capability == 3)
if (capability == GCRY_PK_USAGE_AUTH)
{
if (strcmp (data_objects[i].keyref, "9A"))
continue;

6
scd/command.c
View File

@ -2077,11 +2077,11 @@ cmd_keyinfo (assuan_context_t ctx, char *line)
if (has_option (line, "--list"))
cap = 0;
else if (has_option (line, "--list=sign"))
cap = 1;
cap = GCRY_PK_USAGE_SIGN;
else if (has_option (line, "--list=encr"))
cap = 2;
cap = GCRY_PK_USAGE_ENCR;
else if (has_option (line, "--list=auth"))
cap = 3;
cap = GCRY_PK_USAGE_AUTH;
else
keygrip_str = line;