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agent: Simplify diverting operation to the smartcard. 

* agent/pkdecrypt.c (agent_pkdecrypt): Remove no_shadow_info variable.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2024-04-24 14:01:41 +09:00
parent ab703eacf7
commit d1f8caafb4
No known key found for this signature in database
GPG Key ID: 640114AF89DE6054
1 changed files with 5 additions and 10 deletions
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15
agent/pkdecrypt.c
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@ -116,7 +116,6 @@ agent_pkdecrypt (ctrl_t ctrl, const char *desc_text,
gcry_sexp_t s_skey = NULL, s_cipher = NULL, s_plain = NULL;
unsigned char *shadow_info = NULL;
gpg_error_t err = 0;
int no_shadow_info = 0;
char *buf = NULL;
size_t len;
@ -145,17 +144,13 @@ agent_pkdecrypt (ctrl_t ctrl, const char *desc_text,
err = agent_key_from_file (ctrl, NULL, desc_text,
NULL, &shadow_info,
CACHE_MODE_NORMAL, NULL, &s_skey, NULL, NULL);
if (gpg_err_code (err) == GPG_ERR_NO_SECKEY)
no_shadow_info = 1;
else if (err)
if (err && gpg_err_code (err) != GPG_ERR_NO_SECKEY)
{
log_error ("failed to read the secret key\n");
goto leave;
}
if (shadow_info || no_shadow_info)
else if (shadow_info
|| err /* gpg_err_code (err) == GPG_ERR_NO_SECKEY */)
{ /* divert operation to the smartcard */
if (!gcry_sexp_canon_len (ciphertext, ciphertextlen, NULL, NULL))
{
err = gpg_error (GPG_ERR_INV_SEXP);
@ -170,12 +165,12 @@ agent_pkdecrypt (ctrl_t ctrl, const char *desc_text,
&buf, &len, r_padding);
if (err)
{
/* We restore the original error (ie. no seckey) is no card
/* We restore the original error (ie. no seckey) as no card
* has been found and we have no shadow key. This avoids a
* surprising "card removed" error code. */
if ((gpg_err_code (err) == GPG_ERR_CARD_REMOVED
|| gpg_err_code (err) == GPG_ERR_CARD_NOT_PRESENT)
&& no_shadow_info)
&& !shadow_info)
err = gpg_error (GPG_ERR_NO_SECKEY);
else
log_error ("smartcard decryption failed: %s\n", gpg_strerror (err));