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$Id$
--- dsniff-2.4.orig/record.c 2001-03-15 09:33:04.000000000 +0100
+++ dsniff-2.4/record.c 2007-01-23 00:20:48.000000000 +0100
@@ -15,12 +15,7 @@
#include <stdio.h>
#include <time.h>
#include <md5.h>
-#ifdef HAVE_DB_185_H
-#define DB_LIBRARY_COMPATIBILITY_API
-#include <db_185.h>
-#elif HAVE_DB_H
-#include <db.h>
-#endif
+#include <gdbm.h>
#include <libnet.h>
#include "options.h"
@@ -37,7 +32,7 @@ struct rec {
struct netobj data;
};
-static DB *db;
+GDBM_FILE dbf;
static int
xdr_rec(XDR *xdrs, struct rec *rec)
@@ -64,7 +59,6 @@ record_print(struct rec *rec)
tm = localtime(&rec->time);
strftime(tstr, sizeof(tstr), "%x %X", tm);
-
srcp = libnet_host_lookup(rec->src, Opt_dns);
dstp = libnet_host_lookup(rec->dst, Opt_dns);
@@ -89,10 +83,10 @@ record_print(struct rec *rec)
fflush(stdout);
}
-static DBT *
+static datum
record_hash(struct rec *rec)
{
- static DBT key;
+ static datum key;
static u_char hash[16];
MD5_CTX ctx;
@@ -105,16 +99,16 @@ record_hash(struct rec *rec)
MD5Update(&ctx, rec->data.n_bytes, rec->data.n_len);
MD5Final(hash, &ctx);
- key.data = hash;
- key.size = sizeof(hash);
+ key.dptr = hash;
+ key.dsize = sizeof(hash);
- return (&key);
+ return (key);
}
static int
record_save(struct rec *rec)
{
- DBT *key, data;
+ datum key, data;
XDR xdrs;
u_char buf[2048];
@@ -123,15 +117,15 @@ record_save(struct rec *rec)
if (!xdr_rec(&xdrs, rec))
return (0);
- data.data = buf;
- data.size = xdr_getpos(&xdrs);
+ data.dptr = buf;
+ data.dsize = xdr_getpos(&xdrs);
xdr_destroy(&xdrs);
key = record_hash(rec);
- if (db->put(db, key, &data, R_NOOVERWRITE) == 0)
- db->sync(db, 0);
+ if (gdbm_store(dbf, key, data, GDBM_INSERT) == 0)
+ gdbm_sync(dbf);
return (1);
}
@@ -139,18 +133,22 @@ record_save(struct rec *rec)
void
record_dump(void)
{
- DBT key, data;
+ datum nextkey, key, content;
XDR xdrs;
struct rec rec;
- while (db->seq(db, &key, &data, R_NEXT) == 0) {
+ key = gdbm_firstkey(dbf);
+ while (key.dptr) {
+ nextkey = gdbm_nextkey(dbf, key);
+ content = gdbm_fetch(dbf, key);
memset(&rec, 0, sizeof(rec));
- xdrmem_create(&xdrs, data.data, data.size, XDR_DECODE);
-
+ xdrmem_create(&xdrs, content.dptr, content.dsize, XDR_DECODE);
if (xdr_rec(&xdrs, &rec)) {
record_print(&rec);
}
xdr_destroy(&xdrs);
+ free(key.dptr);
+ key = nextkey;
}
}
@@ -158,16 +156,23 @@ int
record_init(char *file)
{
int flags, mode;
-
+ // needed for gdbm_open, which does not have the option to create
+ // a database in memory
+ if(file == NULL) {
+ char *record_file = "/tmp/.dsniff.db";
+ file = record_file;
+ }
+
if (Opt_read) {
- flags = O_RDONLY;
+ flags = GDBM_READER;
mode = 0;
}
else {
- flags = O_RDWR|O_CREAT;
+ flags = GDBM_WRCREAT;
mode = S_IRUSR|S_IWUSR;
}
- if ((db = dbopen(file, flags, mode, DB_BTREE, NULL)) == NULL)
+
+ if ((dbf = gdbm_open(file, 1024, flags, mode, NULL)) == NULL)
return (0);
return (1);
@@ -206,6 +211,6 @@ record(in_addr_t src, in_addr_t dst, int
void
record_close(void)
{
- db->close(db);
+ gdbm_close(dbf);
}
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