Allow /stats to be located anywhere in your trackers path

opentracker.c

@@ -35,12 +35,12 @@
 
 /* Globals */
 time_t       g_now_seconds;
-char *       g_redirecturl = NULL;
+char *       g_redirecturl;
 uint32_t     g_tracker_id;
 volatile int g_opentracker_running = 1;
 int          g_self_pipe[2];
 
-static char * g_serverdir = NULL;
+static char * g_serverdir;
 
 static void panic( const char *routine ) {
   fprintf( stderr, "%s: %s\n", routine, strerror(errno) );
@@ -368,6 +368,8 @@ int parse_configfile( char * config_filename ) {
       if( !scan_ip6( p+13, tmpip )) goto parse_error;
       accesslist_blessip( tmpip, OT_PERMISSION_MAY_STAT );
 #endif
+    } else if(!byte_diff(p, 17, "access.stats_path" ) && isspace(p[17])) {
+      set_config_option( &g_stats_path, p+18 );
 #ifdef WANT_IP_FROM_PROXY
     } else if(!byte_diff(p, 12, "access.proxy" ) && isspace(p[12])) {
       if( !scan_ip6( p+13, tmpip )) goto parse_error;

opentracker.conf.sample

@@ -41,6 +41,11 @@
 #
 # access.stats 192.168.0.23
 #
+#      There is another way of hiding your stats. You can obfuscate the path
+#      to them. Normally it is located at /stats but you can configure it to
+#      appear anywhere on your tracker.
+#
+# access.stats_path stats
 
 # III) Live sync uses udp multicast packets to keep a cluster of opentrackers
 #      synchronized. This option tells opentracker which port to listen for

ot_http.c

@@ -30,6 +30,9 @@
 #define OT_MAXMULTISCRAPE_COUNT 64
 extern char *g_redirecturl;
 
+char   *g_stats_path;
+ssize_t g_stats_path_len;
+
 enum {
   SUCCESS_HTTP_HEADER_LENGTH = 80,
   SUCCESS_HTTP_HEADER_LENGTH_CONTENT_ENCODING = 32,
@@ -472,7 +475,7 @@ ssize_t http_handle_request( const int64 sock, struct ot_workstruct *ws ) {
   else if( !memcmp( write_ptr, "sc", 2 ) )
     http_handle_scrape( sock, ws, read_ptr );
   /* All the rest is matched the standard way */
-  else if( !memcmp( write_ptr, "stats", 5) )
+  else if( len == g_stats_path_len && !memcmp( write_ptr, g_stats_path, len ) )
     http_handle_stats( sock, ws, read_ptr );
   else
     HTTPERROR_404;

ot_http.h

@@ -27,4 +27,7 @@ ssize_t http_handle_request( const int64 s, struct ot_workstruct *ws );
 ssize_t http_sendiovecdata( const int64 s, struct ot_workstruct *ws, int iovec_entries, struct iovec *iovector );
 ssize_t http_issue_error( const int64 s, struct ot_workstruct *ws, int code );
 
+extern char   *g_stats_path;
+extern ssize_t g_stats_path_len;
+
 #endif

trackerlogic.c

@@ -15,12 +15,15 @@
 /* Libowfat */
 #include "byte.h"
 #include "io.h"
+#include "iob.h"
+#include "array.h"
 
 /* Opentracker */
 #include "trackerlogic.h"
 #include "ot_mutex.h"
 #include "ot_stats.h"
 #include "ot_clean.h"
+#include "ot_http.h"
 #include "ot_accesslist.h"
 #include "ot_fullscrape.h"
 #include "ot_livesync.h"
@@ -394,6 +397,10 @@ void trackerlogic_init( ) {
   srandom( time(NULL) );
   g_tracker_id = random();
 
+  if( !g_stats_path )
+    g_stats_path = "stats";
+  g_stats_path_len = strlen( g_stats_path );
+  
   /* Initialise background worker threads */
   mutex_init( );
   clean_init( );