lib: Split authentication from CACEP

By removing authentication as part of CACEP, all policies
disappear. CACEP becomes a policy-free connection establishment
protocol between Application Entities.  Authentication can later be
added cleanly as a pure policy function when needed.

2 files changed, 16 insertions, 26 deletions

diff --git a/include/ouroboros/cacep.h b/include/ouroboros/cacep.h
index f155023e..5ef66433 100644
--- a/include/ouroboros/cacep.h
+++ b/include/ouroboros/cacep.h
@@ -1,7 +1,7 @@
 /*
  * Ouroboros - Copyright (C) 2016 - 2017
  *
- * The Common Application Connection Establishment Phase
+ * The Common Application Connection Establishment Protocol
  *
  *    Sander Vrijders   <[email protected]>
  *    Dimitri Staessens <[email protected]>
@@ -24,7 +24,7 @@
 #ifndef OUROBOROS_CACEP_H
 #define OUROBOROS_CACEP_H
 
-#include <ouroboros/irm_config.h>
+#include <stdint.h>
 
 enum proto_concrete_syntax {
         PROTO_GPB = 0,
@@ -33,27 +33,22 @@ enum proto_concrete_syntax {
 };
 
 struct conn_info{
-        struct {
-                char *                     protocol;
-                uint32_t                   pref_version;
-                enum proto_concrete_syntax pref_syntax;
-        }        proto;
-        char *   name;
-        uint64_t addr;
+        char                       ae_name[64];
+        char                       protocol[64];
+        uint32_t                   pref_version;
+        enum proto_concrete_syntax pref_syntax;
+        union {
+                char     name[64];
+                uint64_t addr;
+        } ae;
 };
 
-int                conn_info_init(struct conn_info * info);
+int  cacep_connect(int                      fd,
+                   const struct conn_info * in,
+                   struct conn_info *       out);
 
-void               conn_info_fini(struct conn_info * info);
-
-struct conn_info * cacep_auth(int                      fd,
-                              enum pol_cacep           pc,
-                              const struct conn_info * info,
-                              const void *             auth);
-
-struct conn_info * cacep_auth_wait(int                      fd,
-                                   enum pol_cacep           pc,
-                                   const struct conn_info * info,
-                                   const void *             auth);
+int  cacep_listen(int                      fd,
+                  const struct conn_info * in,
+                  struct conn_info *       out);
 
 #endif /* OUROBOROS_CACEP_H */
diff --git a/include/ouroboros/irm_config.h b/include/ouroboros/irm_config.h
index 9a05a434..5e3c84b4 100644
--- a/include/ouroboros/irm_config.h
+++ b/include/ouroboros/irm_config.h
@@ -47,11 +47,6 @@ enum pol_gam {
         COMPLETE = 0
 };
 
-enum pol_cacep {
-        ANONYMOUS_AUTH = 0,
-        SIMPLE_AUTH
-};
-
 struct dif_config {
         char *         dif_name;
         enum ipcp_type type;