1 files changed, 57 insertions, 0 deletions
diff --git a/src/servers.c b/src/servers.c
index 31d7425dd..4aaebc302 100644
--- a/src/servers.c
+++ b/src/servers.c
@@ -558,4 +558,61 @@ void finish_sync(Server * serv, int sync_links)
     alog("Server %s is done syncing", serv->name);
 }
 
+/*******************************************************************/
+
+/* TS6 UID generator common code.
+ *
+ * Derived from atheme-services, uid.c (hg 2954:116d46894b4c).
+ *         -nenolod
+ */
+static int ts6_uid_initted = 0;
+static char ts6_new_uid[10];    /* allow for \0 */
+static unsigned int ts6_uid_index = 9;  /* last slot in uid buf */
+
+void ts6_uid_init(void)
+{
+    unsigned int i;
+    char buf[BUFSIZE];
+
+    /* check just in case... you can never be too safe. */
+    if (TS6SID != NULL) {
+        snprintf(ts6_new_uid, 10, "%sAAAAAA", TS6SID);
+        ts6_uid_initted = 1;
+    } else {
+        alog("warning: no TS6SID specified, disabling TS6 support.");
+        UseTS6 = 0;
+
+        return;
+    }
+}
+
+void ts6_uid_increment(unsigned int slot)
+{
+    if (slot != strlen(TS6SID)) {
+        if (ts6_new_uid[slot] == 'Z')
+            ts6_new_uid[slot] = '0';
+        else if (ts6_new_uid[slot] == '9') {
+            ts6_new_uid[slot] = 'A';
+            ts6_uid_increment(slot - 1);
+        } else
+            ts6_new_uid[slot]++;
+    } else {
+        if (ts6_new_uid[slot] == 'Z')
+            for (slot = 3; slot < 9; slot++)
+                ts6_new_uid[slot] = 'A';
+        else
+            ts6_new_uid[slot]++;
+    }
+}
+
+char *ts6_uid_retrieve(void)
+{
+    if (ts6_uid_initted != 1)
+        ts6_uid_init();
+
+    ts6_uid_increment(ts6_uid_index - 1);
+
+    return ts6_new_uid;
+}
+
 /* EOF */