configure

   1 #!/bin/bash
   2 # This isn't a configure generated by autoconf!
   3
   4 MISSING_PKG_CONFIG=0
   5 MISSING_DEFS=0
   6 MISSING_NACL=0
   7
   8 [ -z $CC ] && CC=cc
   9
  10 TMPDIR=$(mktemp -d config.XXXXXX)
  11 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
  12
  13 check_pkg_config()
  14 {
  15         echo -n "[*] Checking pkg-config ... "
  16
  17         if [ "x$(which pkg-config)" == "x" ] ; then
  18                 echo "[NO]"
  19                 MISSING_PKG_CONFIG=1
  20         else
  21                 echo "[YES]"
  22         fi
  23 }
  24
  25 check_ccache()
  26 {
  27         echo -n "[*] Checking ccache ... "
  28
  29         if [ "x$(which ccache)" == "x" ] ; then
  30                 echo "[NO]"
  31                 echo "CONFIG_CCACHE=" >> Config
  32         else
  33                 echo "[YES]"
  34                 echo "CONFIG_CCACHE=ccache" >> Config
  35         fi
  36 }
  37
  38 check_nacl()
  39 {
  40         echo -n "[*] Checking nacl ... "
  41
  42         cat > $TMPDIR/nacltest.c << EOF
  43 #include "crypto_hash_sha512.h"
  44 #include "crypto_verify_32.h"
  45 #include "crypto_hash_sha512.h"
  46 #include "crypto_box_curve25519xsalsa20poly1305.h"
  47 #include "crypto_scalarmult_curve25519.h"
  48 #include "crypto_auth_hmacsha512256.h"
  49
  50 int main(void) { }
  51 EOF
  52
  53         if [ -z $NACL_INC_DIR ] ; then
  54                 NACL_INC_DIR="/usr/include/nacl"
  55         fi
  56
  57         if [ -z $NACL_LIB_DIR ] ; then
  58                 NACL_LIB_DIR="/usr/lib"
  59         fi
  60
  61         LDFLAGS="-L $NACL_LIB_DIR"
  62         CFLAGS="-I $NACL_INC_DIR"
  63
  64         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> $TMPDIR/config.log 2>&1
  65         if [ ! -x $TMPDIR/nacltest ] ; then
  66                 echo "[NO]"
  67                 MISSING_NACL=1
  68         else
  69                 echo "[YES]"
  70                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
  71                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
  72         fi
  73 }
  74
  75 check_libnl()
  76 {
  77         echo -n "[*] Checking libnl ... "
  78
  79         cat > $TMPDIR/libnltest.c << EOF
  80 #include <libnl3/netlink/genl/genl.h>
  81 #include <libnl3/netlink/genl/family.h>
  82 #include <libnl3/netlink/genl/ctrl.h>
  83 #include <libnl3/netlink/msg.h>
  84 #include <libnl3/netlink/attr.h>
  85 #include <libnl3/netlink/version.h>
  86
  87 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
  88 # error incompatible libnl version
  89 #endif
  90
  91 void main(void)
  92 {
  93         struct nl_sock *sock = nl_socket_alloc();
  94         struct nl_cache *nl_cache;
  95         int ret = genl_connect(sock);
  96
  97         ret = genl_ctrl_alloc_cache(sock, &nl_cache);
  98 }
  99 EOF
 100
 101         $CC \
 102                 $(pkg-config --cflags libnl-3.0) \
 103                 $(pkg-config --cflags libnl-genl-3.0) \
 104                 -o $TMPDIR/libnltest \
 105                 $TMPDIR/libnltest.c \
 106                 $(pkg-config --libs libnl-3.0) \
 107                 $(pkg-config --libs libnl-genl-3.0) \
 108                         >> $TMPDIR/config.log 2>&1
 109         if [ ! -x $TMPDIR/libnltest ] ; then
 110                 echo "[NO]"
 111                 MISSING_DEFS=1
 112         else
 113                 echo "[YES]"
 114         fi
 115 }
 116
 117 check_tpacket()
 118 {
 119         echo -n "[*] Checking tpacket ... "
 120
 121         cat > $TMPDIR/tpackettest.c << EOF
 122 #include <stdio.h>
 123 #include <linux/if_packet.h>
 124
 125 struct tpacket3_hdr *hdr;
 126
 127 void main(void)
 128 {
 129         printf("%d\n", hdr->tp_status);
 130 }
 131 EOF
 132
 133         $CC -o $TMPDIR/tpackettest $TMPDIR/tpackettest.c >> $TMPDIR/config.log 2>&1
 134         if [ ! -x $TMPDIR/tpackettest ] ; then
 135                 echo "[NO]"
 136                 MISSING_DEFS=1
 137         else
 138                 echo "[YES]"
 139         fi
 140 }
 141
 142 check_ncurses()
 143 {
 144         echo -n "[*] Checking ncurses ... "
 145
 146         cat > $TMPDIR/ncursestest.c << EOF
 147 #include <curses.h>
 148
 149 void main(void)
 150 {
 151         WINDOW *screen = initscr();
 152 }
 153 EOF
 154
 155         $CC \
 156                 $(pkg-config --cflags ncurses) \
 157                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 158                 $(pkg-config --libs ncurses) \
 159                         >> $TMPDIR/config.log 2>&1
 160         if [ ! -x $TMPDIR/ncursestest ] ; then
 161                 echo "[NO]"
 162                 MISSING_DEFS=1
 163         else
 164                 echo "[YES]"
 165         fi
 166 }
 167
 168 check_libgeoip()
 169 {
 170         echo -n "[*] Checking libGeoIP ... "
 171
 172         cat > $TMPDIR/geoiptest.c << EOF
 173 #include <GeoIP.h>
 174 #include <GeoIPCity.h>
 175
 176 void main(void)
 177 {
 178         GeoIP *geoip;
 179         int dbs[] = {
 180                 GEOIP_CITY_EDITION_REV1,
 181                 GEOIP_CITY_EDITION_REV1_V6,
 182                 GEOIP_COUNTRY_EDITION,
 183                 GEOIP_COUNTRY_EDITION_V6,
 184                 GEOIP_ASNUM_EDITION,
 185                 GEOIP_ASNUM_EDITION_V6,
 186         };
 187 }
 188 EOF
 189
 190         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c >> $TMPDIR/config.log 2>&1
 191         if [ ! -x $TMPDIR/geoiptest ] ; then
 192                 echo "[NO]"
 193                 MISSING_DEFS=1
 194         else
 195                 echo "[YES]"
 196         fi
 197 }
 198
 199 check_libnf_ct()
 200 {
 201         echo -n "[*] Checking libnetfilter-conntrack ... "
 202
 203         cat > $TMPDIR/nfcttest.c << EOF
 204 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 205 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 206 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 207 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 208
 209 void main(void)
 210 {
 211         struct nf_conntrack *ct;
 212
 213         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 214 }
 215 EOF
 216
 217         $CC -o $TMPDIR/nfcttest $TMPDIR/nfcttest.c -lnetfilter_conntrack >> $TMPDIR/config.log 2>&1
 218         if [ ! -x $TMPDIR/nfcttest ] ; then
 219                 echo "[NO]"
 220                 MISSING_DEFS=1
 221         else
 222                 echo "[YES]"
 223         fi
 224 }
 225
 226 check_zlib()
 227 {
 228         echo -n "[*] Checking libz ... "
 229
 230         cat > $TMPDIR/ztest.c << EOF
 231 #include "zlib.h"
 232
 233 void main(void)
 234 {
 235         gzFile fp;
 236 }
 237 EOF
 238
 239         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c >> $TMPDIR/config.log 2>&1
 240         if [ ! -x $TMPDIR/ztest ] ; then
 241                 echo "[NO]"
 242                 MISSING_DEFS=1
 243         else
 244                 echo "[YES]"
 245         fi
 246 }
 247
 248 check_urcu()
 249 {
 250         echo -n "[*] Checking liburcu ... "
 251
 252         cat > $TMPDIR/urcutest.c << EOF
 253 #include <urcu.h>
 254
 255 void main(void)
 256 {
 257         rcu_init();
 258         synchronize_rcu();
 259 }
 260 EOF
 261
 262         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> $TMPDIR/config.log 2>&1
 263         if [ ! -x $TMPDIR/urcutest ] ; then
 264                 echo "[NO]"
 265                 MISSING_DEFS=1
 266         else
 267                 echo "[YES]"
 268         fi
 269 }
 270
 271 echo "# This file is autogenerated by the configure script" > Config
 272 check_pkg_config
 273
 274 if [ "$MISSING_PKG_CONFIG" == "1" ] ; then
 275         echo "[!] pkg-config is not installed on your system or not in the PATH"
 276         exit 1
 277 fi
 278
 279 check_ccache
 280 check_nacl
 281 check_libnl
 282 check_tpacket
 283 check_libnf_ct
 284 check_ncurses
 285 check_libgeoip
 286 check_zlib
 287 check_urcu
 288
 289 if [ "$MISSING_DEFS" == "1" ] ; then
 290         echo "[!] Some libraries or header definitions are missing or too old."
 291         echo "    Please refer to the INSTALL file for the libraries needed to"
 292         echo "    build netsniff-ng."
 293         exit 1
 294 fi
 295
 296 if [ "$MISSING_NACL" == "1" ] ; then
 297         echo "[!] The NaCl crypto library is currently not present on your"
 298         echo "    system or could not be found. Either install it from your"
 299         echo "    distro or build it manually using 'make nacl' and make sure"
 300         echo "    that the NACL_INC_DIR and NACL_LIB_DIR variables are set"
 301         echo "    appropriately."
 302         exit 1
 303 fi
 304
 305 echo "CONFIG_OK=1" >> Config
 306
 307 exit 0