diff options
Diffstat (limited to 'src/lib/krb5/krb/s4u_creds.c')
| -rw-r--r-- | src/lib/krb5/krb/s4u_creds.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/lib/krb5/krb/s4u_creds.c b/src/lib/krb5/krb/s4u_creds.c index b7bb9fe5b0..c85c0d44a3 100644 --- a/src/lib/krb5/krb/s4u_creds.c +++ b/src/lib/krb5/krb/s4u_creds.c @@ -161,14 +161,17 @@ make_pa_for_user_checksum(krb5_context context, p += 4; for (i = 0; i < req->user->length; i++) { - memcpy(p, req->user->data[i].data, req->user->data[i].length); + if (req->user->data[i].length > 0) + memcpy(p, req->user->data[i].data, req->user->data[i].length); p += req->user->data[i].length; } - memcpy(p, req->user->realm.data, req->user->realm.length); + if (req->user->realm.length > 0) + memcpy(p, req->user->realm.data, req->user->realm.length); p += req->user->realm.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); /* Per spec, use hmac-md5 checksum regardless of key type. */ code = krb5_c_make_checksum(context, CKSUMTYPE_HMAC_MD5_ARCFOUR, key, |