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-rw-r--r--src/plugins/preauth/pkinit/pkinit_crypto_openssl.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c b/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c
index 25104d680..bdde2e0fb 100644
--- a/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c
+++ b/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c
@@ -1319,8 +1319,11 @@ cms_signeddata_verify(krb5_context context,
default:
retval = KRB5KDC_ERR_INVALID_CERTIFICATE;
}
- X509_NAME_oneline(X509_get_subject_name(
- reqctx->received_cert), buf, sizeof(buf));
+ if (reqctx->received_cert == NULL)
+ strlcpy(buf, "(none)", sizeof(buf));
+ else
+ X509_NAME_oneline(X509_get_subject_name(reqctx->received_cert),
+ buf, sizeof(buf));
pkiDebug("problem with cert DN = %s (error=%d) %s\n", buf, j,
X509_verify_cert_error_string(j));
krb5_set_error_message(context, retval, "%s\n",