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-rw-r--r--source3/nmbd/nmbd_winsserver.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/source3/nmbd/nmbd_winsserver.c b/source3/nmbd/nmbd_winsserver.c
index dfa52a65f8..11e0aaecd6 100644
--- a/source3/nmbd/nmbd_winsserver.c
+++ b/source3/nmbd/nmbd_winsserver.c
@@ -24,6 +24,7 @@
#include "includes.h"
#define WINS_LIST "wins.dat"
+#define WINS_VERSION 1
extern int DEBUGLEVEL;
extern struct in_addr ipzero;
@@ -158,6 +159,8 @@ BOOL initialise_wins(void)
BOOL got_token;
BOOL was_ip;
int i;
+ unsigned hash;
+ int version;
/* Read a line from the wins.dat file. Strips whitespace
from the beginning and end of the line.
@@ -168,6 +171,17 @@ BOOL initialise_wins(void)
if (*line == '#')
continue;
+ if (strncmp(line,"VERSION ", 8) == 0) {
+ if (sscanf(line,"VERSION %d %u", &version, &hash) != 2 ||
+ version != WINS_VERSION ||
+ hash != iface_hash()) {
+ DEBUG(0,("Discarding invalid wins.dat file [%s]\n",line));
+ fclose(fp);
+ return True;
+ }
+ continue;
+ }
+
ptr = line;
/*
@@ -1561,6 +1575,8 @@ void wins_write_database(void)
}
DEBUG(4,("wins_write_database: Dump of WINS name list.\n"));
+
+ fprintf(fp,"VERSION %d %u\n", WINS_VERSION, iface_hash());
for( namerec
= (struct name_record *)ubi_trFirst( wins_server_subnet->namelist );