gpg: Disable compliance module for other GnuPG components.

* common/compliance.c (gnupg_{pk,cipher,digest}_is_compliant): Return
false if the module is not initialized.
(gnupg_{pk,cipher,digest}_is_allowed): Return true if the module is
not initialized.
(gnupg_status_compliance_flag): Do not assert that the module is
initialized.
(gnupg_parse_compliance_option): Likewise.
(gnupg_compliance_option_string): Likewise.
--

This implements a default policy for modules not explicitly using the
compliance module.  The default policy is to allow all algorithms, but
mark none of them as compliant.

Fixes gpgv.

GnuPG-bug-id: 3210
Signed-off-by: Justus Winter <justus@g10code.com>
This commit is contained in:
Justus Winter 2017-06-19 11:00:04 +02:00
parent 9b12b45aa5
commit 6e23416fe6
No known key found for this signature in database
GPG Key ID: DD1A52F9DA8C9020
1 changed files with 15 additions and 9 deletions

View File

@ -100,7 +100,8 @@ gnupg_pk_is_compliant (enum gnupg_compliance_mode compliance, int algo,
enum { is_rsa, is_dsa, is_pgp5, is_elg_sign, is_ecc } algotype;
int result = 0;
log_assert (initialized);
if (! initialized)
return 0;
switch (algo)
{
@ -202,6 +203,9 @@ gnupg_pk_is_allowed (enum gnupg_compliance_mode compliance,
enum pk_use_case use, int algo, gcry_mpi_t key[],
unsigned int keylength, const char *curvename)
{
if (! initialized)
return 1;
switch (compliance)
{
case CO_DE_VS:
@ -298,7 +302,8 @@ gnupg_cipher_is_compliant (enum gnupg_compliance_mode compliance,
cipher_algo_t cipher,
enum gcry_cipher_modes mode)
{
log_assert (initialized);
if (! initialized)
return 0;
switch (compliance)
{
@ -340,6 +345,9 @@ gnupg_cipher_is_allowed (enum gnupg_compliance_mode compliance, int producer,
cipher_algo_t cipher,
enum gcry_cipher_modes mode)
{
if (! initialized)
return 1;
switch (compliance)
{
case CO_DE_VS:
@ -386,7 +394,8 @@ gnupg_cipher_is_allowed (enum gnupg_compliance_mode compliance, int producer,
int
gnupg_digest_is_compliant (enum gnupg_compliance_mode compliance, digest_algo_t digest)
{
log_assert (initialized);
if (! initialized)
return 0;
switch (compliance)
{
@ -418,6 +427,9 @@ int
gnupg_digest_is_allowed (enum gnupg_compliance_mode compliance, int producer,
digest_algo_t digest)
{
if (! initialized)
return 1;
switch (compliance)
{
case CO_DE_VS:
@ -450,8 +462,6 @@ gnupg_digest_is_allowed (enum gnupg_compliance_mode compliance, int producer,
const char *
gnupg_status_compliance_flag (enum gnupg_compliance_mode compliance)
{
log_assert (initialized);
switch (compliance)
{
case CO_GNUPG:
@ -482,8 +492,6 @@ gnupg_parse_compliance_option (const char *string,
{
size_t i;
log_assert (initialized);
if (! ascii_strcasecmp (string, "help"))
{
log_info (_ ("valid values for option '%s':\n"), "--compliance");
@ -507,8 +515,6 @@ gnupg_parse_compliance_option (const char *string,
const char *
gnupg_compliance_option_string (enum gnupg_compliance_mode compliance)
{
log_assert (initialized);
switch (compliance)
{
case CO_GNUPG: return "--compliance=gnupg";