From 5d18bf211caab11f3b8ac3f921a8e338e2a9724b Mon Sep 17 00:00:00 2001
From: erdgeist <>
Date: Mon, 3 Dec 2007 00:48:48 +0000
Subject: Move blessed IP handling code to accesslist objects

---
 ot_accesslist.c | 33 +++++++++++++++++++++++++++------
 ot_accesslist.h | 11 +++++++++--
 2 files changed, 36 insertions(+), 8 deletions(-)

diff --git a/ot_accesslist.c b/ot_accesslist.c
index e1774fb..38b1bdf 100644
--- a/ot_accesslist.c
+++ b/ot_accesslist.c
@@ -12,13 +12,13 @@
 #include "scan.h"
 
 /* Opentracker */
+#include "trackerlogic.h"
 #include "ot_accesslist.h"
 
 /* GLOBAL VARIABLES */
 #ifdef WANT_ACCESS_CONTROL
 static char *accesslist_filename = NULL;
 static ot_vector accesslist;
-static char static_inbuf[8192];
 
 static void accesslist_reset( void ) {
   free( accesslist.data );
@@ -26,8 +26,8 @@ static void accesslist_reset( void ) {
 }
 
 static int accesslist_addentry( ot_hash *infohash ) {
-  int em;
-  void *insert = vector_find_or_insert( &accesslist, infohash, OT_HASH_COMPARE_SIZE, OT_HASH_COMPARE_SIZE, &em );
+  int eger;
+  void *insert = vector_find_or_insert( &accesslist, infohash, OT_HASH_COMPARE_SIZE, OT_HASH_COMPARE_SIZE, &eger );
 
   if( !insert )
     return -1;
@@ -41,6 +41,7 @@ static int accesslist_addentry( ot_hash *infohash ) {
 static void accesslist_readfile( int foo ) {
   FILE *  accesslist_filehandle;
   ot_hash infohash;
+  char    inbuf[512];
   foo = foo;
 
   accesslist_filehandle = fopen( accesslist_filename, "r" );
@@ -54,15 +55,15 @@ static void accesslist_readfile( int foo ) {
   }
 
   /* We do ignore anything that is not of the form "^[:xdigit:]{40}[^:xdigit:].*" */
-  while( fgets( static_inbuf, sizeof(static_inbuf), accesslist_filehandle ) ) {
+  while( fgets( inbuf, sizeof(inbuf), accesslist_filehandle ) ) {
     int i;
     for( i=0; i<20; ++i ) {
-      int eger = 16 * scan_fromhex( static_inbuf[ 2*i ] ) + scan_fromhex( static_inbuf[ 1 + 2*i ] );
+      int eger = 16 * scan_fromhex( inbuf[ 2*i ] ) + scan_fromhex( inbuf[ 1 + 2*i ] );
       if( eger < 0 )
         continue;
       infohash[i] = eger;
     }
-    if( scan_fromhex( static_inbuf[ 40 ] ) >= 0 )
+    if( scan_fromhex( inbuf[ 40 ] ) >= 0 )
       continue;
 
     /* Append accesslist to accesslist vector */
@@ -95,3 +96,23 @@ void accesslist_init( char *accesslist_filename_in ) {
 }
 
 #endif
+
+static uint32_t       g_adminip_addresses[OT_ADMINIP_MAX];
+static ot_permissions g_adminip_permissions[OT_ADMINIP_MAX];
+static unsigned int   g_adminip_count = 0;
+
+int accesslist_blessip( char *ip, ot_permissions permissions ) {
+  if( g_adminip_count >= OT_ADMINIP_MAX )
+    return -1;
+  memmove( g_adminip_addresses + g_adminip_count, ip, 4 );
+  g_adminip_permissions[ g_adminip_count++ ] = permissions;
+  return 0;
+}
+
+int accesslist_isblessed( char *ip, ot_permissions permissions ) {
+  unsigned int i;
+  for( i=0; i<g_adminip_count; ++i )
+    if( !memcmp( g_adminip_addresses + i, ip, 4) && ( g_adminip_permissions[ i ] & permissions ) )
+      return 1;
+  return 0;
+}
diff --git a/ot_accesslist.h b/ot_accesslist.h
index d24463d..d0d674a 100644
--- a/ot_accesslist.h
+++ b/ot_accesslist.h
@@ -4,8 +4,6 @@
 #ifndef __OT_ACCESSLIST_H__
 #define __OT_ACCESSLIST_H__
 
-#include "trackerlogic.h"
-
 #if defined ( WANT_BLACKLISTING ) && defined (WANT_CLOSED_TRACKER )
   #error WANT_BLACKLISTING and WANT_CLOSED_TRACKER are exclusive.
 #endif
@@ -19,4 +17,13 @@ int  accesslist_hashisvalid( ot_hash *hash );
 #define accesslist_hashisvalid( hash ) 1
 #endif
 
+typedef enum {
+  OT_PERMISSION_MAY_FULLSCRAPE,
+  OT_PERMISSION_MAY_SYNC,
+  OT_PERMISSION_MAY_STAT
+} ot_permissions;
+
+int accesslist_blessip( char * ip, ot_permissions permissions );
+int accesslist_isblessed( char * ip, ot_permissions permissions );
+
 #endif
-- 
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