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sm: Avoid confusing diagnostic for the default key.

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* sm/certlist.c (cert_usage_p): Add arg 'silent' and change all
callers.
(gpgsm_cert_use_sign_p): Add arg 'silent' and pass to cert_usage_p.
Change all callers.
* sm/sign.c (gpgsm_get_default_cert): Set SILENT when calling
gpgsm_cert_use_sign_p
--

GnuPG-bug-id: 4535
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-05-27 15:44:16 +02:00
parent 190eeb7cce
commit 32210e855c
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
3 changed files with 29 additions and 24 deletions
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31
sm/certlist.c
View File

@ -48,7 +48,7 @@ static const char oid_kp_ocspSigning[] = "1.3.6.1.5.5.7.3.9";
debugging). MODE 4 is for certificate signing, MODE for COSP
response signing. */
static int
cert_usage_p (ksba_cert_t cert, int mode)
cert_usage_p (ksba_cert_t cert, int mode, int silent)
{
gpg_error_t err;
unsigned int use;
@ -118,7 +118,7 @@ cert_usage_p (ksba_cert_t cert, int mode)
if (gpg_err_code (err) == GPG_ERR_NO_DATA)
{
err = 0;
if (opt.verbose && mode < 2)
if (opt.verbose && mode < 2 && !silent)
log_info (_("no key usage specified - assuming all usages\n"));
use = ~0;
}
@ -139,6 +139,7 @@ cert_usage_p (ksba_cert_t cert, int mode)
{
if ((use & (KSBA_KEYUSAGE_KEY_CERT_SIGN)))
return 0;
if (!silent)
log_info (_("certificate should not have "
"been used for certification\n"));
return gpg_error (GPG_ERR_WRONG_KEY_USAGE);
@ -151,6 +152,7 @@ cert_usage_p (ksba_cert_t cert, int mode)
|| (use & (KSBA_KEYUSAGE_KEY_CERT_SIGN
|KSBA_KEYUSAGE_CRL_SIGN))))
return 0;
if (!silent)
log_info (_("certificate should not have "
"been used for OCSP response signing\n"));
return gpg_error (GPG_ERR_WRONG_KEY_USAGE);
@ -162,19 +164,22 @@ cert_usage_p (ksba_cert_t cert, int mode)
)
return 0;
log_info (mode==3? _("certificate should not have been used for encryption\n"):
if (!silent)
log_info
(mode==3? _("certificate should not have been used for encryption\n"):
mode==2? _("certificate should not have been used for signing\n"):
mode==1? _("certificate is not usable for encryption\n"):
_("certificate is not usable for signing\n"));
/**/ _("certificate is not usable for signing\n"));
return gpg_error (GPG_ERR_WRONG_KEY_USAGE);
}
/* Return 0 if the cert is usable for signing */
int
gpgsm_cert_use_sign_p (ksba_cert_t cert)
gpgsm_cert_use_sign_p (ksba_cert_t cert, int silent)
{
return cert_usage_p (cert, 0);
return cert_usage_p (cert, 0, silent);
}
@ -182,31 +187,31 @@ gpgsm_cert_use_sign_p (ksba_cert_t cert)
int
gpgsm_cert_use_encrypt_p (ksba_cert_t cert)
{
return cert_usage_p (cert, 1);
return cert_usage_p (cert, 1, 0);
}
int
gpgsm_cert_use_verify_p (ksba_cert_t cert)
{
return cert_usage_p (cert, 2);
return cert_usage_p (cert, 2, 0);
}
int
gpgsm_cert_use_decrypt_p (ksba_cert_t cert)
{
return cert_usage_p (cert, 3);
return cert_usage_p (cert, 3, 0);
}
int
gpgsm_cert_use_cert_p (ksba_cert_t cert)
{
return cert_usage_p (cert, 4);
return cert_usage_p (cert, 4, 0);
}
int
gpgsm_cert_use_ocsp_p (ksba_cert_t cert)
{
return cert_usage_p (cert, 5);
return cert_usage_p (cert, 5, 0);
}
@ -341,7 +346,7 @@ gpgsm_add_to_certlist (ctrl_t ctrl, const char *name, int secret,
first_subject = ksba_cert_get_subject (cert, 0);
first_issuer = ksba_cert_get_issuer (cert, 0);
}
rc = secret? gpgsm_cert_use_sign_p (cert)
rc = secret? gpgsm_cert_use_sign_p (cert, 0)
: gpgsm_cert_use_encrypt_p (cert);
if (gpg_err_code (rc) == GPG_ERR_WRONG_KEY_USAGE)
{
@ -403,7 +408,7 @@ gpgsm_add_to_certlist (ctrl_t ctrl, const char *name, int secret,
first_issuer,
cert2)
&& ((gpg_err_code (
secret? gpgsm_cert_use_sign_p (cert2)
secret? gpgsm_cert_use_sign_p (cert2,0)
: gpgsm_cert_use_encrypt_p (cert2)
)
) == GPG_ERR_WRONG_KEY_USAGE));

2
sm/gpgsm.h
View File

@ -315,7 +315,7 @@ int gpgsm_validate_chain (ctrl_t ctrl, ksba_cert_t cert,
int gpgsm_basic_cert_check (ctrl_t ctrl, ksba_cert_t cert);
/*-- certlist.c --*/
int gpgsm_cert_use_sign_p (ksba_cert_t cert);
int gpgsm_cert_use_sign_p (ksba_cert_t cert, int silent);
int gpgsm_cert_use_encrypt_p (ksba_cert_t cert);
int gpgsm_cert_use_verify_p (ksba_cert_t cert);
int gpgsm_cert_use_decrypt_p (ksba_cert_t cert);

6
sm/sign.c
View File

@ -161,7 +161,7 @@ gpgsm_get_default_cert (ctrl_t ctrl, ksba_cert_t *r_cert)
return rc;
}
if (!gpgsm_cert_use_sign_p (cert))
if (!gpgsm_cert_use_sign_p (cert, 1))
{
p = gpgsm_get_keygrip_hexstring (cert);
if (p)
@ -404,7 +404,7 @@ gpgsm_sign (ctrl_t ctrl, certlist_t signerlist,
/* Although we don't check for ambiguous specification we will
check that the signer's certificate is usable and valid. */
rc = gpgsm_cert_use_sign_p (cert);
rc = gpgsm_cert_use_sign_p (cert, 0);
if (!rc)
rc = gpgsm_validate_chain (ctrl, cert, "", NULL, 0, NULL, 0, NULL);
if (rc)
@ -513,7 +513,7 @@ gpgsm_sign (ctrl_t ctrl, certlist_t signerlist,
/* Gather certificates of signers and store them in the CMS object. */
for (cl=signerlist; cl; cl = cl->next)
{
rc = gpgsm_cert_use_sign_p (cl->cert);
rc = gpgsm_cert_use_sign_p (cl->cert, 0);
if (rc)
goto leave;