From 07e45de53335528d15ded120850d8e1b53cfc8bc Mon Sep 17 00:00:00 2001
From: brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Mon, 27 Aug 2007 00:29:56 +0000
Subject: [PATCH] Automatic SID generation based on code similar to the STL
 hash function and using server name and server gecos

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@7849 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/inspircd.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/inspircd.cpp b/src/inspircd.cpp
index e7d43edff..1d9aca35f 100644
--- a/src/inspircd.cpp
+++ b/src/inspircd.cpp
@@ -538,9 +538,19 @@ InspIRCd::InspIRCd(int argc, char** argv)
 	 */
 	int i;
 
-	for(i = 0; i < 3; i++)
-		current_uid[i] = '0';
 
+	/* Generate SID */
+        size_t sid = 0;
+	for (const char* x = Config->ServerName; *x; ++x)
+		sid = 5 * sid + *x;
+	for (const char* y = Config->ServerDesc; *y; ++y)
+		sid = 5 * sid + *y;
+	sid = sid % 999;
+	current_uid[0] = sid / 100 + 48;
+	current_uid[1] = sid / 10 + 48;
+	current_uid[2] = sid % 10 + 48;
+
+	/* Initialise UID */
 	for(i = 3; i < UUID_LENGTH - 1; i++)
 		current_uid[i] = 'A';
 
-- 
2.39.5