package/dsniff/patches/gdbm.patch

   1 diff -Nur dsniff-2.3/configure dsniff-2.3.patched/configure
   2 --- dsniff-2.3/configure        2005-06-11 18:13:59.000000000 +0200
   3 +++ dsniff-2.3.patched/configure        2005-06-11 18:14:37.000000000 +0200
   4 @@ -16,6 +16,8 @@
   5  ac_help="$ac_help
   6    --with-db=DIR           use Berkeley DB (with --enable-compat185) in DIR"
   7  ac_help="$ac_help
   8 +  --with-gdbm=DIR         use GNU DBM in DIR"
   9 +ac_help="$ac_help
  10    --with-libpcap=DIR      use libpcap in DIR"
  11  ac_help="$ac_help
  12    --with-libnet=DIR       use libnet in DIR"
  13 @@ -3051,7 +3053,40 @@
  14
  15  fi
  16
  17 +echo $ac_n "checking for libgdbm""... $ac_c" 1>&6
  18 +echo "configure:3059: checking for libgdbm" >&5
  19 +# Check whether --with-gdbm or --without-gdbm was given.
  20 +if test "${with_gdbm+set}" = set; then
  21 +  withval="$with_gdbm"
  22 +   case "$withval" in
  23 +  yes|no)
  24 +     echo "$ac_t""no" 1>&6
  25 +     ;;
  26 +  *)
  27 +     echo "$ac_t""$withval" 1>&6
  28 +     if test -f $withval/include/gdbm.h -a -f $withval/lib/libgdbm.a; then
  29 +        owd=`pwd`
  30 +        if cd $withval; then withval=`pwd`; cd $owd; fi
  31 +       DBINC="-I$withval/include"
  32 +       DBLIB="-L$withval/lib -lgdbm"
  33 +     else
  34 +        { echo "configure: error: gdbm.h or libgdbm.a not found in $withval" 1>&2; exit 1; }
  35 +     fi
  36 +     ;;
  37 +  esac
  38 +else
  39 +   if test -f ${prefix}/include/gdbm.h; then
  40 +     LNETINC="-I${prefix}/include"
  41 +     LNETLIB="-L${prefix}/lib -lgdbm"
  42 +  elif test -f /usr/include/gdbm.h; then
  43 +     LNETLIB="-lgdbm"
  44 +  else
  45 +     echo "$ac_t""no" 1>&6
  46 +     { echo "configure: error: libgdbm not found" 1>&2; exit 1; }
  47 +  fi
  48 +  echo "$ac_t""yes" 1>&6
  49
  50 +fi
  51
  52
  53  echo $ac_n "checking for libnet""... $ac_c" 1>&6
  54 diff -Nur dsniff-2.3/record.c dsniff-2.3.patched/record.c
  55 --- dsniff-2.3/record.c 2000-11-14 16:51:02.000000000 +0100
  56 +++ dsniff-2.3.patched/record.c 2005-06-11 18:14:56.000000000 +0200
  57 @@ -13,12 +13,7 @@
  58  #include <stdio.h>
  59  #include <time.h>
  60  #include <md5.h>
  61 -#ifdef HAVE_DB_185_H
  62 -#define DB_LIBRARY_COMPATIBILITY_API
  63 -#include <db_185.h>
  64 -#elif HAVE_DB_H
  65 -#include <db.h>
  66 -#endif
  67 +#include <gdbm.h>
  68  #include <libnet.h>
  69  #include "options.h"
  70  #include "record.h"
  71 @@ -34,7 +29,7 @@
  72         struct netobj   data;
  73  };
  74
  75 -static DB *db;
  76 +GDBM_FILE dbf;
  77
  78  static int
  79  xdr_rec(XDR *xdrs, struct rec *rec)
  80 @@ -61,7 +56,6 @@
  81
  82         tm = localtime(&rec->time);
  83         strftime(tstr, sizeof(tstr), "%x %X", tm);
  84 -
  85         srcp = libnet_host_lookup(rec->src, Opt_dns);
  86         dstp = libnet_host_lookup(rec->dst, Opt_dns);
  87
  88 @@ -86,10 +80,10 @@
  89         fflush(stdout);
  90  }
  91
  92 -static DBT *
  93 +static datum
  94  record_hash(struct rec *rec)
  95  {
  96 -       static DBT key;
  97 +       static datum key;
  98         static u_char hash[16];
  99         MD5_CTX ctx;
 100
 101 @@ -102,16 +96,16 @@
 102         MD5Update(&ctx, rec->data.n_bytes, rec->data.n_len);
 103         MD5Final(hash, &ctx);
 104
 105 -       key.data = hash;
 106 -       key.size = sizeof(hash);
 107 +       key.dptr = hash;
 108 +       key.dsize = sizeof(hash);
 109
 110 -       return (&key);
 111 +       return (key);
 112  }
 113
 114  static int
 115  record_save(struct rec *rec)
 116  {
 117 -       DBT *key, data;
 118 +       datum key, data;
 119         XDR xdrs;
 120         u_char buf[2048];
 121
 122 @@ -120,15 +114,15 @@
 123         if (!xdr_rec(&xdrs, rec))
 124                 return (0);
 125
 126 -       data.data = buf;
 127 -       data.size = xdr_getpos(&xdrs);
 128 +       data.dptr = buf;
 129 +       data.dsize = xdr_getpos(&xdrs);
 130
 131         xdr_destroy(&xdrs);
 132
 133         key = record_hash(rec);
 134
 135 -       if (db->put(db, key, &data, R_NOOVERWRITE) == 0)
 136 -               db->sync(db, 0);
 137 +       if (gdbm_store(dbf, key, data, GDBM_INSERT) == 0)
 138 +               gdbm_sync(dbf);
 139
 140         return (1);
 141  }
 142 @@ -136,18 +130,22 @@
 143  void
 144  record_dump(void)
 145  {
 146 -       DBT key, data;
 147 +       datum nextkey, key, content;
 148         XDR xdrs;
 149         struct rec rec;
 150
 151 -       while (db->seq(db, &key, &data, R_NEXT) == 0) {
 152 +       key = gdbm_firstkey(dbf);
 153 +       while (key.dptr) {
 154 +               nextkey = gdbm_nextkey(dbf, key);
 155 +               content = gdbm_fetch(dbf, key);
 156                 memset(&rec, 0, sizeof(rec));
 157 -               xdrmem_create(&xdrs, data.data, data.size, XDR_DECODE);
 158 -
 159 +               xdrmem_create(&xdrs, content.dptr, content.dsize, XDR_DECODE);
 160                 if (xdr_rec(&xdrs, &rec)) {
 161                         record_print(&rec);
 162                 }
 163                 xdr_destroy(&xdrs);
 164 +               free(key.dptr);
 165 +               key = nextkey;
 166         }
 167  }
 168
 169 @@ -155,16 +153,23 @@
 170  record_init(char *file)
 171  {
 172         int flags, mode;
 173 -
 174 +       // needed for gdbm_open, which does not have the option to create
 175 +       // a database in memory
 176 +       if(file == NULL) {
 177 +               char *record_file = "/tmp/.dsniff.db";
 178 +               file = record_file;
 179 +       }
 180 +
 181         if (Opt_read) {
 182 -               flags = O_RDONLY;
 183 +               flags = GDBM_READER;
 184                 mode = 0;
 185         }
 186         else {
 187 -               flags = O_RDWR|O_CREAT;
 188 +               flags = GDBM_WRCREAT;
 189                 mode = S_IRUSR|S_IWUSR;
 190         }
 191 -       if ((db = dbopen(file, flags, mode, DB_BTREE, NULL)) == NULL)
 192 +
 193 +       if ((dbf = gdbm_open(file, 1024, flags, mode, NULL)) == NULL)
 194                 return (0);
 195
 196         return (1);
 197 @@ -203,6 +208,6 @@
 198  void
 199  record_close(void)
 200  {
 201 -       db->close(db);
 202 +       gdbm_close(dbf);
 203  }
 204