fixing issuer and member state machine

issuer.c

@@ -77,6 +77,8 @@ int process_issuer(char *buffer) {
             case JOINPROCEED:
                 printf("aborting join\n");
                 issuer.state = READY;
+                bzero(buffer, MAX_BUFSIZE);
+                strncpy(buffer, "OK\n", 3);
                 break;
             default:
                 printf("nothing to abort\n");
@@ -92,6 +94,8 @@ int process_issuer(char *buffer) {
                 printf("generate new issuer identity\n");
                 if (0 == issuer_setup(buffer)) {
                     issuer.state = READY;
+                    bzero(buffer, MAX_BUFSIZE);
+                    strncpy(buffer, "OK\n", 3);
                 } else {
                     printf("issuer setup failed\n");
                     return 2;

member.c

@@ -148,8 +148,8 @@ int member_join(char *buffer) {
         default:
             ret = -1;
     }
-    if (0 == ret) {
+    if (0 <= ret) {
-        printf("ISSUER < MEMBER: %s", buffer);
+        printf("ISSUER < MEMBER: %s\n", buffer);
     }
     return ret;
 }