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 16:38:47.000000000 +0200
   3 +++ dsniff-2.3.patched/configure        2005-06-11 16:39:26.000000000 +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 16:39:49.000000000 +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 @@ -86,10 +81,10 @@
  81         fflush(stdout);
  82  }
  83
  84 -static DBT *
  85 +static datum
  86  record_hash(struct rec *rec)
  87  {
  88 -       static DBT key;
  89 +       static datum key;
  90         static u_char hash[16];
  91         MD5_CTX ctx;
  92
  93 @@ -102,16 +97,16 @@
  94         MD5Update(&ctx, rec->data.n_bytes, rec->data.n_len);
  95         MD5Final(hash, &ctx);
  96
  97 -       key.data = hash;
  98 -       key.size = sizeof(hash);
  99 +       key.dptr = hash;
 100 +       key.dsize = sizeof(hash);
 101
 102 -       return (&key);
 103 +       return (key);
 104  }
 105
 106  static int
 107  record_save(struct rec *rec)
 108  {
 109 -       DBT *key, data;
 110 +       datum key, data;
 111         XDR xdrs;
 112         u_char buf[2048];
 113
 114 @@ -120,15 +115,15 @@
 115         if (!xdr_rec(&xdrs, rec))
 116                 return (0);
 117
 118 -       data.data = buf;
 119 -       data.size = xdr_getpos(&xdrs);
 120 +       data.dptr = buf;
 121 +       data.dsize = xdr_getpos(&xdrs);
 122
 123         xdr_destroy(&xdrs);
 124
 125         key = record_hash(rec);
 126
 127 -       if (db->put(db, key, &data, R_NOOVERWRITE) == 0)
 128 -               db->sync(db, 0);
 129 +       if (gdbm_store(dbf, key, data, GDBM_INSERT) == 0)
 130 +               gdbm_sync(dbf);
 131
 132         return (1);
 133  }
 134 @@ -136,18 +131,22 @@
 135  void
 136  record_dump(void)
 137  {
 138 -       DBT key, data;
 139 +       datum nextkey, data;
 140         XDR xdrs;
 141         struct rec rec;
 142
 143 -       while (db->seq(db, &key, &data, R_NEXT) == 0) {
 144 +       data = gdbm_firstkey ( dbf );
 145 +       while (data.dptr) {
 146 +               nextkey = gdbm_nextkey ( dbf, data );
 147                 memset(&rec, 0, sizeof(rec));
 148 -               xdrmem_create(&xdrs, data.data, data.size, XDR_DECODE);
 149 +               xdrmem_create(&xdrs, data.dptr, data.dsize, XDR_DECODE);
 150
 151                 if (xdr_rec(&xdrs, &rec)) {
 152                         record_print(&rec);
 153                 }
 154                 xdr_destroy(&xdrs);
 155 +               free(data.dptr);
 156 +               data = nextkey;
 157         }
 158  }
 159
 160 @@ -155,16 +154,23 @@
 161  record_init(char *file)
 162  {
 163         int flags, mode;
 164 -
 165 +       // needed for gdbm_open, which does not have the option to create
 166 +       // a database in memory
 167 +       if(file == NULL) {
 168 +               char *record_file = "/tmp/.dsniff.db";
 169 +               file = record_file;
 170 +       }
 171 +
 172         if (Opt_read) {
 173 -               flags = O_RDONLY;
 174 +               flags = GDBM_READER;
 175                 mode = 0;
 176         }
 177         else {
 178 -               flags = O_RDWR|O_CREAT;
 179 +               flags = GDBM_WRCREAT;
 180                 mode = S_IRUSR|S_IWUSR;
 181         }
 182 -       if ((db = dbopen(file, flags, mode, DB_BTREE, NULL)) == NULL)
 183 +
 184 +       if ((dbf = gdbm_open(file, 1024, flags, mode, NULL)) == NULL)
 185                 return (0);
 186
 187         return (1);
 188 @@ -203,6 +209,6 @@
 189  void
 190  record_close(void)
 191  {
 192 -       db->close(db);
 193 +       gdbm_close(dbf);
 194  }
 195