configure

   1 #!/bin/bash
   2 # This isn't a configure generated by autoconf!
   3 # netsniff-ng build system
   4 # Copyright 2013-2016 Tobias Klauser <tklauser@distanz.ch>
   5 # Copyright 2013 Daniel Borkmann <borkmann@gnumaniacs.org>
   6 # Subject to the GNU GPL, version 2.
   7
   8 MISSING_TOOLCHAIN=0
   9 MISSING_DEFS=0
  10 MISSING_NACL=0
  11
  12 TOOLS="netsniff-ng trafgen astraceroute flowtop ifpps bpfc curvetun mausezahn"
  13 TOOLS_NOBUILD=""
  14
  15 HAVE_LIBNL=0
  16 HAVE_LIBPCAP=0
  17 HAVE_HWTSTAMP=0
  18 HAVE_LIBGEOIP=0
  19 HAVE_LIBZ=0
  20 HAVE_TPACKET3=0
  21
  22 DISABLE_LIBNL=0
  23 DISABLE_GEOIP=0
  24 DISABLE_ZLIB=0
  25 ENABLE_DEBUG=0
  26
  27 PREFIX="/usr/local"
  28 HAVE_PREFIX=0
  29
  30 SYSCONF_DIR=""
  31
  32 usage()
  33 {
  34         echo "Usage: ./configure [OPTION]... [VAR=VALUE]..."
  35         echo ""
  36         echo "  -h, --help       Display this help and exit"
  37         echo ""
  38         echo "Installation directories:"
  39         echo "  --prefix=PREFIX  install architecture-independent files in PREFIX"
  40         echo "                   [$PREFIX]"
  41         echo "  --sysconfdir=DIR read-only single-machine data [PREFIX/etc]"
  42         echo ""
  43         echo "By default, \`make install' will install all the files in"
  44         echo "\`$PREFIX/bin', \`$PREFIX/lib' etc.  You can specify"
  45         echo "an installation prefix other than \`$PREFIX' using \`--prefix',"
  46         echo "for instance \`--prefix=\$HOME'."
  47         echo ""
  48         echo "Optional Features:"
  49         echo "  --disable-libnl  Disable libnl support"
  50         echo "  --disable-geoip  Disable geoip support"
  51         echo "  --disable-zlib   Disable zlib support"
  52         echo "  --enable-debug   Enable debug mode (default disabled)"
  53         echo ""
  54         echo "Some influential environment variables:"
  55         echo "  CC               C compiler command"
  56         echo "  CROSS_COMPILE    C cross-compiler prefix"
  57
  58         exit 0
  59 }
  60
  61 while [ $# -gt 0 ] ; do
  62         case "$1" in
  63         -h|--help)
  64                 usage
  65                 ;;
  66         --prefix=*)
  67                 PREFIX="${1#*=}"
  68                 HAVE_PREFIX=1
  69                 ;;
  70         --sysconfdir=*)
  71                 SYSCONF_DIR="${1#*=}"
  72                 ;;
  73         --disable-libnl)
  74                 DISABLE_LIBNL=1
  75                 ;;
  76         --disable-geoip)
  77                 DISABLE_GEOIP=1
  78                 ;;
  79         --disable-zlib)
  80                 DISABLE_ZLIB=1
  81                 ;;
  82         --enable-debug)
  83                 ENABLE_DEBUG=1
  84                 ;;
  85         *)
  86                 echo "[!] Unrecognized option: '$1'. Try './configure --help' for more information"
  87                 exit 1
  88                 ;;
  89         esac
  90         shift
  91 done
  92
  93 [ -z "$CC" ] && CC="${CROSS_COMPILE}gcc"
  94 [ -z "$LD" ] && LD="${CROSS_COMPILE}gcc"
  95 if [ "x$SYSROOT" != "x" ] ; then
  96         PKG_CONFIG_PATH="$SYSROOT/usr/lib/pkgconfig:$PKG_CONFIG_PATH"
  97 fi
  98 [ -z $PKG_CONFIG ] && PKG_CONFIG="${CROSS_COMPILE}pkg-config"
  99
 100 TMPDIR=$(mktemp -d config.XXXXXX)
 101 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
 102
 103 tools_remove()
 104 {
 105         local _tools=$TOOLS
 106         local _todel=$1
 107         TOOLS=""
 108         for tool in $_tools ; do
 109                 case "$tool" in
 110                 $_todel)
 111                         case $_todel in
 112                         $TOOLS_NOBUILD) ;;
 113                         *) TOOLS_NOBUILD="$TOOLS_NOBUILD $tool" ;;
 114                         esac ;;
 115                 *) TOOLS="$TOOLS $tool" ;;
 116                 esac
 117         done
 118
 119         TOOLS=${TOOLS# }
 120         TOOLS_NOBUILD=${TOOLS_NOBUILD# }
 121 }
 122
 123 check_toolchain()
 124 {
 125         if [ "x$CROSS_COMPILE" != "x" ] ; then
 126                 echo "[*] Cross-compiling for $($CC -print-multiarch)"
 127                 echo "CROSS_COMPILE=$CROSS_COMPILE" >> Config
 128         fi
 129
 130         echo -n "[*] Checking compiler $CC ... "
 131         if [ "x$(which $CC 2>> config.log)" == "x" ] ; then
 132                 echo "[NO]"
 133                 MISSING_TOOLCHAIN=1
 134         else
 135                 echo "[YES]"
 136                 echo "CC=$CC" >> Config
 137         fi
 138
 139         echo -n "[*] Checking linker $LD ... "
 140         if [ "x$(which $LD 2>> config.log)" == "x" ] ; then
 141                 echo "[NO]"
 142                 MISSING_TOOLCHAIN=1
 143         else
 144                 echo "[YES]"
 145                 echo "LD=$LD" >> Config
 146         fi
 147
 148         echo -n "[*] Checking $PKG_CONFIG ... "
 149         if [ "x$(which $PKG_CONFIG 2>> config.log)" == "x" ] ; then
 150                 echo "[NO]"
 151                 MISSING_TOOLCHAIN=1
 152         else
 153                 echo "[YES]"
 154                 echo "PKG_CONFIG=$PKG_CONFIG" >> Config
 155                 echo "PKG_CONFIG_PATH=$PKG_CONFIG_PATH" >> Config
 156         fi
 157 }
 158
 159 check_flex()
 160 {
 161         echo -n "[*] Checking flex ... "
 162
 163         if [ "x$(which flex 2>> config.log)" == "x" ] ; then
 164                 echo "[NO]"
 165                 MISSING_DEFS=1
 166                 tools_remove "trafgen"
 167                 tools_remove "bpfc"
 168         else
 169                 echo "[YES]"
 170         fi
 171 }
 172
 173 check_bison()
 174 {
 175         echo -n "[*] Checking bison ... "
 176
 177         if [ "x$(which bison 2>> config.log)" == "x" ] ; then
 178                 echo "[NO]"
 179                 MISSING_DEFS=1
 180                 tools_remove "trafgen"
 181                 tools_remove "bpfc"
 182         else
 183                 echo "[YES]"
 184         fi
 185 }
 186
 187 check_nacl()
 188 {
 189         echo -n "[*] Checking nacl ... "
 190
 191         cat > $TMPDIR/nacltest.c << EOF
 192 #include "crypto_hash_sha512.h"
 193 #include "crypto_verify_32.h"
 194 #include "crypto_hash_sha512.h"
 195 #include "crypto_box_curve25519xsalsa20poly1305.h"
 196 #include "crypto_scalarmult_curve25519.h"
 197 #include "crypto_auth_hmacsha512256.h"
 198
 199 int main(void) { }
 200 EOF
 201
 202         if [ -z $NACL_INC_DIR ] ; then
 203                 NACL_INC_DIR="$SYSROOT/usr/include/nacl"
 204         fi
 205
 206         if [ -z $NACL_LIB_DIR ] ; then
 207                 NACL_LIB_DIR="$SYSROOT/usr/lib"
 208         fi
 209
 210         if [ -z $NACL_LIB ] ; then
 211                 NACL_LIB="nacl"
 212         fi
 213
 214         LDFLAGS="-L $NACL_LIB_DIR"
 215         CFLAGS="-I $NACL_INC_DIR"
 216
 217         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> config.log 2>&1
 218         if [ ! -x $TMPDIR/nacltest ] ; then
 219                 echo "[NO]"
 220                 MISSING_NACL=1
 221                 tools_remove "curvetun"
 222         else
 223                 echo "[YES]"
 224                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
 225                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
 226                 echo "CONFIG_NACL_LIB:=$NACL_LIB" >> Config
 227         fi
 228 }
 229
 230 check_libnl()
 231 {
 232         echo -n "[*] Checking libnl ... "
 233
 234         if [ "$DISABLE_LIBNL" == "1" ] ; then
 235                 echo "[DISABLED]"
 236                 return
 237         fi
 238
 239         cat > $TMPDIR/libnltest.c << EOF
 240 #include <netlink/genl/genl.h>
 241 #include <netlink/genl/family.h>
 242 #include <netlink/genl/ctrl.h>
 243 #include <netlink/msg.h>
 244 #include <netlink/attr.h>
 245 #include <netlink/version.h>
 246
 247 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
 248 # error incompatible libnl version
 249 #endif
 250
 251 int main(void)
 252 {
 253         struct nl_sock *sock = nl_socket_alloc();
 254         struct nl_cache *nl_cache;
 255         int ret = genl_connect(sock);
 256
 257         ret = genl_ctrl_alloc_cache(sock, &nl_cache);
 258 }
 259 EOF
 260
 261         $CC \
 262                 $($PKG_CONFIG --cflags libnl-3.0 2>> config.log) \
 263                 $($PKG_CONFIG --cflags libnl-genl-3.0 2>> config.log) \
 264                 -o $TMPDIR/libnltest \
 265                 $TMPDIR/libnltest.c \
 266                 $($PKG_CONFIG --libs libnl-3.0 2>> config.log) \
 267                 $($PKG_CONFIG --libs libnl-genl-3.0 2>> config.log) \
 268                         >> config.log 2>&1
 269         if [ ! -x $TMPDIR/libnltest ] ; then
 270                 echo "[NO]"
 271                 MISSING_DEFS=1
 272         else
 273                 echo "[YES]"
 274                 HAVE_LIBNL=1
 275         fi
 276 }
 277
 278 check_libnl_route()
 279 {
 280         echo -n "[*] Checking libnl-route ... "
 281
 282         if [ "$DISABLE_LIBNL" == "1" ] ; then
 283                 echo "[DISABLED]"
 284                 return
 285         fi
 286
 287         if [ "$HAVE_LIBNL" == "0" ] ; then
 288                 echo "[SKIPPED]"
 289                 return
 290         fi
 291
 292         cat > $TMPDIR/libnlroutetest.c << EOF
 293 #include <netlink/route/link.h>
 294 #include <netlink/route/addr.h>
 295
 296 int main(void)
 297 {
 298         char str[100];
 299
 300         rtnl_addr_flags2str(1, str, sizeof(str));
 301         rtnl_link_flags2str(1, str, sizeof(str));
 302         rtnl_link_operstate2str(1, str, sizeof(str));
 303
 304         return 0;
 305 }
 306 EOF
 307
 308         $CC \
 309                 $($PKG_CONFIG --cflags libnl-route-3.0 2>> config.log) \
 310                 -o $TMPDIR/libnlroutetest \
 311                 $TMPDIR/libnlroutetest.c \
 312                 $($PKG_CONFIG --libs libnl-route-3.0 2>> config.log) \
 313                         >> config.log 2>&1
 314         if [ ! -x $TMPDIR/libnlroutetest ] ; then
 315                 echo "[NO]"
 316                 MISSING_DEFS=1
 317                 HAVE_LIBNL=0
 318         else
 319                 echo "[YES]"
 320                 # HAVE_LIBNL already set by check_libnl()
 321         fi
 322 }
 323
 324 check_tpacket_v3()
 325 {
 326         echo -n "[*] Checking tpacket_v3 ... "
 327
 328         cat > $TMPDIR/tpacketv3test.c << EOF
 329 #include <stdio.h>
 330 #include <linux/if_packet.h>
 331
 332 int main(void)
 333 {
 334         struct tpacket3_hdr *hdr;
 335         int foo[] = {
 336                 TP_STATUS_BLK_TMO,
 337         };
 338
 339         printf("%d\n", hdr->tp_status);
 340 }
 341 EOF
 342
 343         $CC -o $TMPDIR/tpacketv3test $TMPDIR/tpacketv3test.c >> config.log 2>&1
 344         if [ ! -x $TMPDIR/tpacketv3test ] ; then
 345                 echo "[NO]"
 346                 MISSING_DEFS=1
 347         else
 348                 echo "[YES]"
 349                 HAVE_TPACKET3=1
 350         fi
 351 }
 352
 353 check_tpacket_v2()
 354 {
 355         echo -n "[*] Checking tpacket_v2 ... "
 356
 357         cat > $TMPDIR/tpacketv2test.c << EOF
 358 #include <stdio.h>
 359 #include <linux/if_packet.h>
 360
 361 int main(void)
 362 {
 363         struct tpacket2_hdr *hdr;
 364         int foo[] = {
 365                 TP_STATUS_AVAILABLE,
 366                 TP_STATUS_SEND_REQUEST,
 367                 TP_STATUS_SENDING,
 368                 TP_STATUS_KERNEL,
 369                 TP_STATUS_USER,
 370         };
 371
 372         printf("%d\n", hdr->tp_status);
 373 }
 374 EOF
 375
 376         $CC -o $TMPDIR/tpacketv2test $TMPDIR/tpacketv2test.c >> config.log 2>&1
 377         if [ ! -x $TMPDIR/tpacketv2test ] ; then
 378                 echo "[NO]"
 379                 MISSING_DEFS=1
 380                 tools_remove "netsniff-ng"
 381                 tools_remove "trafgen"
 382         else
 383                 echo "[YES]"
 384         fi
 385 }
 386
 387
 388 check_ncurses()
 389 {
 390         echo -n "[*] Checking ncurses ... "
 391
 392         cat > $TMPDIR/ncursestest.c << EOF
 393 #include <curses.h>
 394
 395 int main(void)
 396 {
 397         WINDOW *screen = initscr();
 398 }
 399 EOF
 400
 401         $CC \
 402                 $($PKG_CONFIG --cflags ncurses 2>> config.log) \
 403                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 404                 $($PKG_CONFIG --libs ncurses 2>> config.log \
 405                   || echo '-lncurses' ) \
 406                         >> config.log 2>&1
 407         if [ ! -x $TMPDIR/ncursestest ] ; then
 408                 echo "[NO]"
 409                 MISSING_DEFS=1
 410                 tools_remove "flowtop"
 411                 tools_remove "ifpps"
 412         else
 413                 echo "[YES]"
 414         fi
 415 }
 416
 417 check_libgeoip()
 418 {
 419         echo -n "[*] Checking libGeoIP ... "
 420
 421         if [ "$DISABLE_GEOIP" == "1" ] ; then
 422                 echo "[DISABLED]"
 423                 return
 424         fi
 425
 426         cat > $TMPDIR/geoiptest.c << EOF
 427 #include <GeoIP.h>
 428 #include <GeoIPCity.h>
 429
 430 int main(void)
 431 {
 432         int dbs[] = {
 433                 GEOIP_CITY_EDITION_REV1,
 434                 GEOIP_CITY_EDITION_REV1_V6,
 435                 GEOIP_COUNTRY_EDITION,
 436                 GEOIP_COUNTRY_EDITION_V6,
 437                 GEOIP_ASNUM_EDITION,
 438                 GEOIP_ASNUM_EDITION_V6,
 439         };
 440         GeoIP *geoip = GeoIP_new(0);
 441 }
 442 EOF
 443
 444         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> config.log 2>&1
 445         if [ ! -x $TMPDIR/geoiptest ] ; then
 446                 echo "[NO]"
 447                 MISSING_DEFS=1
 448         else
 449                 echo "[YES]"
 450                 HAVE_LIBGEOIP=1
 451         fi
 452 }
 453
 454 check_libnf_ct()
 455 {
 456         echo -n "[*] Checking libnetfilter-conntrack ... "
 457
 458         cat > $TMPDIR/nfcttest.c << EOF
 459 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 460 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 461 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 462 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 463
 464 int main(void)
 465 {
 466         struct nf_conntrack *ct;
 467         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 468 }
 469 EOF
 470
 471         $CC \
 472                 $($PKG_CONFIG --cflags libnetfilter_conntrack 2>> config.log) \
 473                 -o $TMPDIR/nfcttest \
 474                 $TMPDIR/nfcttest.c \
 475                 $($PKG_CONFIG --libs libnetfilter_conntrack 2>> config.log) \
 476                         >> config.log 2>&1
 477         if [ ! -x $TMPDIR/nfcttest ] ; then
 478                 echo "[NO]"
 479                 MISSING_DEFS=1
 480                 tools_remove "flowtop"
 481         else
 482                 echo "[YES]"
 483         fi
 484 }
 485
 486 check_zlib()
 487 {
 488         echo -n "[*] Checking libz ... "
 489
 490         if [ "$DISABLE_ZLIB" == "1" ] ; then
 491                 echo "[DISABLED]"
 492                 return
 493         fi
 494
 495         cat > $TMPDIR/ztest.c << EOF
 496 #include "zlib.h"
 497
 498 int main(void)
 499 {
 500         gzFile fp = gzopen("foo.gz", "rb");
 501 }
 502 EOF
 503
 504         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 505         if [ ! -x $TMPDIR/ztest ] ; then
 506                 echo "[NO]"
 507                 echo "CONFIG_LIBZ=0" >> Config
 508                 MISSING_DEFS=1
 509                 tools_remove "astraceroute"
 510                 tools_remove "flowtop"
 511         else
 512                 echo "[YES]"
 513                 echo "CONFIG_LIBZ=1" >> Config
 514                 HAVE_LIBZ=1
 515         fi
 516 }
 517
 518 check_urcu()
 519 {
 520         echo -n "[*] Checking liburcu ... "
 521
 522         cat > $TMPDIR/urcutest.c << EOF
 523 #include <urcu.h>
 524
 525 int main(void)
 526 {
 527         rcu_init();
 528         synchronize_rcu();
 529 }
 530 EOF
 531
 532         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 533         if [ ! -x $TMPDIR/urcutest ] ; then
 534                 echo "[NO]"
 535                 MISSING_DEFS=1
 536                 tools_remove "flowtop"
 537         else
 538                 echo "[YES]"
 539         fi
 540 }
 541
 542 check_libpcap()
 543 {
 544         echo -n "[*] Checking libpcap ... "
 545
 546         cat > $TMPDIR/pcaptest.c << EOF
 547 #include <pcap.h>
 548
 549 int main(void)
 550 {
 551         struct bpf_program bpf;
 552         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 553 }
 554 EOF
 555
 556         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> config.log 2>&1
 557         if [ ! -x $TMPDIR/pcaptest ] ; then
 558                 echo "[NO]"
 559                 echo "CONFIG_LIBPCAP=0" >> Config
 560                 MISSING_DEFS=1
 561                 tools_remove "mausezahn"
 562         else
 563                 echo "[YES]"
 564                 echo "CONFIG_LIBPCAP=1" >> Config
 565                 HAVE_LIBPCAP=1
 566         fi
 567 }
 568
 569 check_hwtstamp()
 570 {
 571         echo -n "[*] Checking hw timestamping ... "
 572
 573         cat > $TMPDIR/hwtstest.c << EOF
 574 #include <string.h>
 575 #include <arpa/inet.h>
 576 #include <sys/ioctl.h>
 577 #include <sys/types.h>
 578 #include <sys/socket.h>
 579 #include <linux/sockios.h>
 580 #include <linux/net_tstamp.h>
 581 #include <linux/if_packet.h>
 582 #include <linux/if_ether.h>
 583 #include <linux/if.h>
 584
 585 int main(void)
 586 {
 587         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 588         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 589         struct hwtstamp_config hwconfig;
 590         struct ifreq ifr;
 591
 592         memset(&hwconfig, 0, sizeof(hwconfig));
 593         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 594         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 595
 596         memset(&ifr, 0, sizeof(ifr));
 597         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 598         ifr.ifr_data = &hwconfig;
 599
 600         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 601         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 602                    sizeof(timesource));
 603 }
 604 EOF
 605
 606         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 607         if [ ! -x $TMPDIR/hwtstest ] ; then
 608                 echo "[NO]"
 609                 echo "CONFIG_HWTSTAMP=0" >> Config
 610         else
 611                 echo "[YES]"
 612                 echo "CONFIG_HWTSTAMP=1" >> Config
 613                 HAVE_HWTSTAMP=1
 614         fi
 615 }
 616
 617 check_libcli()
 618 {
 619         echo -n "[*] Checking libcli ... "
 620
 621         cat > $TMPDIR/clitest.c << EOF
 622 #include <sys/time.h>
 623 #include <libcli.h>
 624
 625 int main(void)
 626 {
 627         struct cli_def *cli = cli_init();
 628 }
 629 EOF
 630
 631         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 632         if [ ! -x $TMPDIR/clitest ] ; then
 633                 echo "[NO]"
 634                 MISSING_DEFS=1
 635                 tools_remove "mausezahn"
 636         else
 637                 echo "[YES]"
 638         fi
 639 }
 640
 641 check_libnet()
 642 {
 643         echo -n "[*] Checking libnet ... "
 644
 645         cat > $TMPDIR/nettest.c << EOF
 646 #include <libnet.h>
 647
 648 int main(void)
 649 {
 650         char err_buf[LIBNET_ERRBUF_SIZE];
 651         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 652 }
 653 EOF
 654
 655         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 656         if [ ! -x $TMPDIR/nettest ] ; then
 657                 echo "[NO]"
 658                 MISSING_DEFS=1
 659                 tools_remove "mausezahn"
 660         else
 661                 echo "[YES]"
 662         fi
 663 }
 664
 665 gen_version_appendix()
 666 {
 667         local _appendix=""
 668
 669         git rev-parse > /dev/null 2>&1
 670         if [ "$?" == "0" ] ; then
 671                 if [ ! "`git describe --always`" == \
 672                        "`git describe --abbrev=0 --tags`" ] ; then
 673                         _appendix="+"
 674                 fi
 675         fi
 676
 677         echo "CONFIG_RC=\"$_appendix\"" >> Config
 678 }
 679
 680 gen_config_hdr()
 681 {
 682         local _version=""
 683         local _have_libpcap=""
 684         local _have_libgeoip=""
 685         local _have_libnl=""
 686         local _have_libz=""
 687         local _have_hwts=""
 688         local _have_tp3=""
 689
 690         echo "[*] Generating config.h ..."
 691
 692         git rev-parse > /dev/null 2>&1
 693         if [ "$?" == "0" ] ; then
 694                 _version="`git describe --always`"
 695         else
 696                 _version="(none)"
 697         fi
 698
 699         if [ "$HAVE_LIBNL" == "1" ] ; then
 700                 _have_libnl="#define HAVE_LIBNL 1"
 701         else
 702                 _have_libnl="/* HAVE_LIBNL is not defined */"
 703         fi
 704
 705         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 706                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 707         else
 708                 _have_libpcap="/* HAVE_TCPDUMP_LIKE_FILTER is not defined */"
 709         fi
 710
 711         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 712                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 713         else
 714                 _have_hwts="/* HAVE_HARDWARE_TIMESTAMPING is not defined */"
 715         fi
 716
 717         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 718                 _have_libgeoip="#define HAVE_GEOIP 1"
 719         else
 720                 _have_libgeoip="/* HAVE_GEOIP is not defined */"
 721         fi
 722
 723         if [ "$HAVE_LIBZ" == "1" ] ; then
 724                 _have_libz="#define HAVE_LIBZ 1"
 725         else
 726                 _have_libz="/* HAVE_LIBZ is not defined */"
 727         fi
 728
 729         if [ "$HAVE_TPACKET3" == "1" ] ; then
 730                 _have_tp3="#define HAVE_TPACKET3 1"
 731         else
 732                 _have_tp3="/* HAVE_TPACKET3 is not defined */"
 733         fi
 734
 735         cat > config.h << EOF
 736 #ifndef CONFIG_H
 737 #define CONFIG_H
 738 #define FILE_CLIENTS ".curvetun/clients"
 739 #define FILE_SERVERS ".curvetun/servers"
 740 #define FILE_PRIVKEY ".curvetun/priv.key"
 741 #define FILE_PUBKEY ".curvetun/pub.key"
 742 #define FILE_USERNAM ".curvetun/username"
 743 #define GITVERSION "$_version"
 744 $_have_libnl
 745 $_have_libpcap
 746 $_have_libgeoip
 747 $_have_libz
 748 $_have_hwts
 749 $_have_tp3
 750 #endif /* CONFIG_H */
 751 EOF
 752 }
 753
 754 rm -f config.log
 755
 756 echo "# This file is autogenerated by the configure script" > Config
 757 check_toolchain
 758
 759 if [ "$MISSING_TOOLCHAIN" == "1" ] ; then
 760         echo "[!] One or more of the toolchain tools couldn't be found in your"
 761         echo "    \$PATH. Please check the file config.log for details."
 762         exit 1
 763 fi
 764
 765 check_flex
 766 check_bison
 767 check_nacl
 768 check_libnl
 769 check_libnl_route
 770 check_tpacket_v2
 771 check_tpacket_v3
 772 check_libnf_ct
 773 check_ncurses
 774 check_libgeoip
 775 check_zlib
 776 check_urcu
 777 check_libpcap
 778 check_hwtstamp
 779 check_libcli
 780 check_libnet
 781
 782 gen_config_hdr
 783 gen_version_appendix
 784
 785 if [ "$MISSING_DEFS" == "1" ] ; then
 786         echo "[!] Some libraries or header definitions are missing or too old. Thus"
 787         echo "    certain tools will not be built (see below). Please refer to the"
 788         echo "    INSTALL file for the libraries needed to build the complete"
 789         echo "    netsniff-ng toolkit."
 790 fi
 791
 792 if [ "$MISSING_NACL" == "1" ] ; then
 793         echo "[!] The NaCl crypto library is currently not present on your system or"
 794         echo "    could not be found. Either install it from your distro or build it"
 795         echo "    manually using 'make nacl' and make sure that the NACL_INC_DIR and"
 796         echo "    NACL_LIB_DIR environment variables are set appropriately."
 797 fi
 798
 799 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 800         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 801         echo "[*] The following tools will be built: $TOOLS"
 802 else
 803         echo "[*] Looks good! All tools will be built!"
 804 fi
 805
 806 if [ -s config.log ] ; then
 807         echo "[!] There were errors in the configure script. Please check the file"
 808         echo "    config.log for details."
 809 fi
 810
 811 echo "CONFIG_LIBNL=$HAVE_LIBNL" >> Config
 812
 813 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1"  ] ; then
 814         echo "CONFIG_GEOIP=1" >> Config
 815 else
 816         echo "CONFIG_GEOIP=0" >> Config
 817 fi
 818
 819 if [ "$HAVE_PREFIX" == "1" ] ; then
 820         echo "PREFIX=$PREFIX" >> Config
 821 fi
 822
 823 if [ ! -z $SYSCONF_DIR ] ; then
 824         echo "ETCDIR=$SYSCONF_DIR" >> Config
 825 fi
 826
 827 echo "CONFIG_DEBUG=$ENABLE_DEBUG" >> Config
 828 echo "CONFIG_TOOLS=$TOOLS" >> Config
 829 echo "CONFIG_OK=1" >> Config
 830
 831 exit 0