configure

   1 #!/bin/bash
   2 # This isn't a configure generated by autoconf!
   3
   4 MISSING_DEFS=0
   5 MISSING_NACL=0
   6
   7 [ -z $CC ] && CC=cc
   8
   9 TMPDIR=$(mktemp -d config.XXXXXX)
  10 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
  11
  12 check_nacl()
  13 {
  14         echo -n "[*] Checking nacl ... "
  15
  16         cat > $TMPDIR/nacltest.c << EOF
  17 #include "crypto_hash_sha512.h"
  18 #include "crypto_verify_32.h"
  19 #include "crypto_hash_sha512.h"
  20 #include "crypto_box_curve25519xsalsa20poly1305.h"
  21 #include "crypto_scalarmult_curve25519.h"
  22 #include "crypto_auth_hmacsha512256.h"
  23
  24 int main(void) { }
  25 EOF
  26
  27         if [ -z $NACL_INC_DIR ] ; then
  28                 NACL_INC_DIR="/usr/include/nacl"
  29         fi
  30
  31         if [ -z $NACL_LIB_DIR ] ; then
  32                 NACL_LIB_DIR="/usr/lib"
  33         fi
  34
  35         LDFLAGS="-L $NACL_LIB_DIR"
  36         CFLAGS="-I $NACL_INC_DIR"
  37
  38         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> $TMPDIR/config.log 2>&1
  39         if [ ! -x $TMPDIR/nacltest ] ; then
  40                 echo "[NO]"
  41                 MISSING_NACL=1
  42         else
  43                 echo "[YES]"
  44                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
  45                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
  46         fi
  47
  48 }
  49
  50 check_libnl()
  51 {
  52         echo -n "[*] Checking libnl ... "
  53
  54         cat > $TMPDIR/libnltest.c << EOF
  55 #include <libnl3/netlink/genl/genl.h>
  56 #include <libnl3/netlink/genl/family.h>
  57 #include <libnl3/netlink/genl/ctrl.h>
  58 #include <libnl3/netlink/msg.h>
  59 #include <libnl3/netlink/attr.h>
  60 #include <libnl3/netlink/version.h>
  61
  62 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
  63 # error incompatible libnl version
  64 #endif
  65
  66 void main(void) { }
  67 EOF
  68
  69         $CC $(pkg-config --cflags libnl-3.0) -o $TMPDIR/libnltest $TMPDIR/libnltest.c >> $TMPDIR/config.log 2>&1
  70         if [ ! -x $TMPDIR/libnltest ] ; then
  71                 echo "[NO]"
  72                 MISSING_DEFS=1
  73         else
  74                 echo "[YES]"
  75         fi
  76 }
  77
  78 check_tpacket()
  79 {
  80         echo -n "[*] Checking tpacket ... "
  81
  82         cat > $TMPDIR/tpackettest.c << EOF
  83 #include <stdio.h>
  84 #include <linux/if_packet.h>
  85
  86 struct tpacket3_hdr *hdr;
  87
  88 void main(void)
  89 {
  90         printf("%d\n", hdr->tp_status);
  91 }
  92 EOF
  93
  94         $CC -o $TMPDIR/tpackettest $TMPDIR/tpackettest.c >> $TMPDIR/config.log 2>&1
  95         if [ ! -x $TMPDIR/tpackettest ] ; then
  96                 echo "[NO]"
  97                 MISSING_DEFS=1
  98         else
  99                 echo "[YES]"
 100         fi
 101 }
 102
 103 check_ncurses()
 104 {
 105         echo -n "[*] Checking ncurses ... "
 106
 107         cat > $TMPDIR/ncursestest.c << EOF
 108 #include <curses.h>
 109
 110 void main(void)
 111 {
 112         WINDOW *screen = initscr();
 113 }
 114 EOF
 115
 116         $CC $(pkg-config --cflags ncurses) -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c $(pkg-config --libs ncurses) >> $TMPDIR/config.log 2>&1
 117         if [ ! -x $TMPDIR/ncursestest ] ; then
 118                 echo "[NO]"
 119                 MISSING_DEFS=1
 120         else
 121                 echo "[YES]"
 122         fi
 123 }
 124
 125 check_libgeoip()
 126 {
 127         echo -n "[*] Checking libGeoIP ... "
 128
 129         cat > $TMPDIR/geoiptest.c << EOF
 130 #include <GeoIP.h>
 131 #include <GeoIPCity.h>
 132
 133 void main(void)
 134 {
 135         GeoIP *geoip;
 136 }
 137 EOF
 138
 139         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c >> $TMPDIR/config.log 2>&1
 140         if [ ! -x $TMPDIR/geoiptest ] ; then
 141                 echo "[NO]"
 142                 MISSING_DEFS=1
 143         else
 144                 echo "[YES]"
 145         fi
 146
 147 }
 148
 149 check_libnf_ct()
 150 {
 151         echo -n "[*] Checking libnetfilter-conntrack ... "
 152
 153         cat > $TMPDIR/nfcttest.c << EOF
 154 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 155 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 156 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 157 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 158
 159 void main(void)
 160 {
 161         struct nfconntrack *ct;
 162 }
 163 EOF
 164
 165         $CC -o $TMPDIR/nfcttest $TMPDIR/nfcttest.c >> $TMPDIR/config.log 2>&1
 166         if [ ! -x $TMPDIR/nfcttest ] ; then
 167                 echo "[NO]"
 168                 MISSING_DEFS=1
 169         else
 170                 echo "[YES]"
 171         fi
 172
 173 }
 174 echo "# This file is autogenerated by the configure script" > Config
 175 check_nacl
 176 check_libnl
 177 check_tpacket
 178 check_ncurses
 179 check_libgeoip
 180
 181 if [ "$MISSING_DEFS" == "1" ] ; then
 182         echo "[!] Some libraries or header definitions are missing or too old."
 183         echo "    Please refer to the INSTALL file for the libraries needed to"
 184         echo "    build netsniff-ng."
 185         exit 1
 186 fi
 187
 188 if [ "$MISSING_NACL" == "1" ] ; then
 189         echo "[!] The NaCl crypto library is currently not present on your"
 190         echo "    system or could not be found. Either install it from your"
 191         echo "    distro or build it manually using 'make nacl' and make sure"
 192         echo "    that the NACL_INC_DIR and NACL_LIB_DIR variables are set"
 193         echo "    appropriately."
 194         exit 1
 195 fi
 196
 197 exit 0