X-Git-Url: https://git.distorted.org.uk/~mdw/secnet/blobdiff_plain/f208b9a9c2c54479a170bf94bfb4c71001f570a2..3d8d8f4e66600d1a2a80ade8e1df407a18b01ac9:/secnet.h

diff --git a/secnet.h b/secnet.h
index ecbb995..6ac64e3 100644
--- a/secnet.h
+++ b/secnet.h
@@ -387,15 +387,21 @@ struct site_if {
 
 typedef struct transform_inst_if *transform_createinstance_fn(void *st);
 typedef bool_t transform_setkey_fn(void *st, uint8_t *key, int32_t keylen);
+typedef bool_t transform_valid_fn(void *st); /* 0: no key; 1: ok */
 typedef void transform_delkey_fn(void *st);
 typedef void transform_destroyinstance_fn(void *st);
-/* Returns 0 for 'all is well', any other value for a problem */
+/* Returns:
+ *   0: all is well
+ *   1: for any other problem
+ *   2: message decrypted but sequence number was out of range
+ */
 typedef uint32_t transform_apply_fn(void *st, struct buffer_if *buf,
 				    const char **errmsg);
 
 struct transform_inst_if {
     void *st;
     transform_setkey_fn *setkey;
+    transform_valid_fn *valid;
     transform_delkey_fn *delkey;
     transform_apply_fn *forwards;
     transform_apply_fn *reverse;
@@ -438,8 +444,6 @@ struct netlink_if {
     netlink_register_fn *reg;
     netlink_deliver_fn *deliver;
     netlink_link_quality_fn *set_quality;
-    netlink_output_config_fn *output_config;
-    netlink_check_config_fn *check_config;
     netlink_set_mtu_fn *set_mtu;
 };