diff options
Diffstat (limited to 'src/kdc/kdc_util.c')
| -rw-r--r-- | src/kdc/kdc_util.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/kdc/kdc_util.c b/src/kdc/kdc_util.c index 4e85f68753..9948e1bbe3 100644 --- a/src/kdc/kdc_util.c +++ b/src/kdc/kdc_util.c @@ -1091,16 +1091,21 @@ verify_for_user_checksum(krb5_context context, p += 4; for (i = 0; i < krb5_princ_size(context, req->user); i++) { - memcpy(p, krb5_princ_component(context, req->user, i)->data, - krb5_princ_component(context, req->user, i)->length); + if (krb5_princ_component(context, req->user, i)->length > 0) { + memcpy(p, krb5_princ_component(context, req->user, i)->data, + krb5_princ_component(context, req->user, i)->length); + } p += krb5_princ_component(context, req->user, i)->length; } - memcpy(p, krb5_princ_realm(context, req->user)->data, - krb5_princ_realm(context, req->user)->length); + if (krb5_princ_realm(context, req->user)->length > 0) { + memcpy(p, krb5_princ_realm(context, req->user)->data, + krb5_princ_realm(context, req->user)->length); + } p += krb5_princ_realm(context, req->user)->length; - memcpy(p, req->auth_package.data, req->auth_package.length); + if (req->auth_package.length > 0) + memcpy(p, req->auth_package.data, req->auth_package.length); p += req->auth_package.length; code = krb5_c_verify_checksum(context, |