- /* generate MD based on negotiated type */
- switch (cstate->chal_type) {
-
- case CHAP_DIGEST_MD5: /* only MD5 is defined for now */
- if (remmd_len != MD5_SIGNATURE_SIZE)
- break; /* it's not even the right length */
- MD5Init(&mdContext);
- MD5Update(&mdContext, &cstate->chal_id, 1);
- MD5Update(&mdContext, secret, secret_len);
- MD5Update(&mdContext, cstate->challenge, cstate->chal_len);
- MD5Final(hash, &mdContext);
-
- /* compare local and remote MDs and send the appropriate status */
- if (memcmp (hash, remmd, MD5_SIGNATURE_SIZE) == 0)
- code = CHAP_SUCCESS; /* they are the same! */
- break;
+ /* If a plugin will verify the response, let the plugin do it. */
+ if (chap_auth_hook) {
+ code = (*chap_auth_hook) ( (explicit_remote ? remote_name : rhostname),
+ remmd, (int) remmd_len,
+ cstate );
+ } else {
+ if (!get_secret(cstate->unit, (explicit_remote? remote_name: rhostname),
+ cstate->chal_name, secret, &secret_len, 1)) {
+ warn("No CHAP secret found for authenticating %q", rhostname);
+ } else {
+
+ /* generate MD based on negotiated type */
+ switch (cstate->chal_type) {
+
+ case CHAP_DIGEST_MD5:
+ if (remmd_len != MD5_SIGNATURE_SIZE)
+ break; /* not even the right length */
+ MD5Init(&mdContext);
+ MD5Update(&mdContext, &cstate->chal_id, 1);
+ MD5Update(&mdContext, secret, secret_len);
+ MD5Update(&mdContext, cstate->challenge, cstate->chal_len);
+ MD5Final(hash, &mdContext);
+
+ /* compare MDs and send the appropriate status */
+ if (memcmp (hash, remmd, MD5_SIGNATURE_SIZE) == 0)
+ code = CHAP_SUCCESS; /* they are the same! */
+ break;