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Set X509 verification callback and log errors.

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When using client certificates Kore now calls
domain_x509_verify() and logs any certificate
verification errors that might occur.

CRL validity errors are ignored.
This commit is contained in:
Joris Vink 2015-02-20 10:43:31 +01:00
parent 0288902a1b
commit f975453565
1 changed files with 37 additions and 0 deletions
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37
src/domain.c
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@ -26,6 +26,10 @@ DH *ssl_dhparam = NULL;
static void domain_load_crl(struct kore_domain *);
#if !defined(KORE_BENCHMARK)
static int domain_x509_verify(int, X509_STORE_CTX *);
#endif
void
kore_domain_init(void)
{
@ -206,5 +210,38 @@ domain_load_crl(struct kore_domain *dom)
X509_STORE_set_flags(store,
X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
X509_STORE_set_verify_cb(store, domain_x509_verify);
#endif
}
#if !defined(KORE_BENCHMARK)
static int
domain_x509_verify(int ok, X509_STORE_CTX *ctx)
{
X509 *cert;
const char *text;
int error, depth;
error = X509_STORE_CTX_get_error(ctx);
cert = X509_STORE_CTX_get_current_cert(ctx);
if (ok == 0 && cert != NULL) {
text = X509_verify_cert_error_string(error);
depth = X509_STORE_CTX_get_error_depth(ctx);
kore_log(LOG_WARNING, "X509 verification error depth:%d - %s",
depth, text);
/* Continue on CRL validity errors. */
switch (error) {
case X509_V_ERR_CRL_HAS_EXPIRED:
case X509_V_ERR_CRL_NOT_YET_VALID:
case X509_V_ERR_UNABLE_TO_GET_CRL:
ok = 1;
break;
}
}
return (ok);
}
#endif