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 SYSCONF_DIR="/etc"
  29
  30 usage()
  31 {
  32         echo "Usage: ./configure [OPTION]... [VAR=VALUE]..."
  33         echo ""
  34         echo "  -h, --help       Display this help and exit"
  35         echo ""
  36         echo "Installation directories:"
  37         echo "  --prefix=PREFIX  install architecture-independent files in PREFIX"
  38         echo "                   [$PREFIX]"
  39         echo "  --sysconfdir=DIR read-only single-machine data [$SYSCONF_DIR]"
  40         echo ""
  41         echo "By default, \`make install' will install all the files in"
  42         echo "\`$PREFIX/bin', \`$PREFIX/lib' etc.  You can specify"
  43         echo "an installation prefix other than \`$PREFIX' using \`--prefix',"
  44         echo "for instance \`--prefix=\$HOME'."
  45         echo ""
  46         echo "Optional Features:"
  47         echo "  --disable-libnl  Disable libnl support"
  48         echo "  --disable-geoip  Disable geoip support"
  49         echo "  --disable-zlib   Disable zlib support"
  50         echo "  --enable-debug   Enable debug mode (default disabled)"
  51         echo ""
  52         echo "Some influential environment variables:"
  53         echo "  CC               C compiler command"
  54         echo "  CROSS_COMPILE    C cross-compiler prefix"
  55
  56         exit 0
  57 }
  58
  59 while [ $# -gt 0 ] ; do
  60         case "$1" in
  61         -h|--help)
  62                 usage
  63                 ;;
  64         --prefix=*)
  65                 PREFIX="${1#*=}"
  66                 ;;
  67         --sysconfdir=*)
  68                 SYSCONF_DIR="${1#*=}"
  69                 ;;
  70         --disable-libnl)
  71                 DISABLE_LIBNL=1
  72                 ;;
  73         --disable-geoip)
  74                 DISABLE_GEOIP=1
  75                 ;;
  76         --disable-zlib)
  77                 DISABLE_ZLIB=1
  78                 ;;
  79         --enable-debug)
  80                 ENABLE_DEBUG=1
  81                 ;;
  82         *)
  83                 echo "[!] Unrecognized option: '$1'. Try './configure --help' for more information"
  84                 exit 1
  85                 ;;
  86         esac
  87         shift
  88 done
  89
  90 [ -z "$CC" ] && CC="${CROSS_COMPILE}gcc"
  91 [ -z "$LD" ] && LD="${CROSS_COMPILE}gcc"
  92 if [ "x$SYSROOT" != "x" ] ; then
  93         PKG_CONFIG_PATH="$SYSROOT/usr/lib/pkgconfig:$PKG_CONFIG_PATH"
  94 fi
  95 [ -z $PKG_CONFIG ] && PKG_CONFIG="${CROSS_COMPILE}pkg-config"
  96
  97 TMPDIR=$(mktemp -d config.XXXXXX)
  98 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
  99
 100 tools_remove()
 101 {
 102         local _tools=$TOOLS
 103         local _todel=$1
 104         TOOLS=""
 105         for tool in $_tools ; do
 106                 case "$tool" in
 107                 $_todel)
 108                         case $_todel in
 109                         $TOOLS_NOBUILD) ;;
 110                         *) TOOLS_NOBUILD="$TOOLS_NOBUILD $tool" ;;
 111                         esac ;;
 112                 *) TOOLS="$TOOLS $tool" ;;
 113                 esac
 114         done
 115
 116         TOOLS=${TOOLS# }
 117         TOOLS_NOBUILD=${TOOLS_NOBUILD# }
 118 }
 119
 120 check_command()
 121 {
 122         local cmd="$1"
 123
 124         [ "x$(which "$cmd" 2>> config.log)" == "x" ]
 125 }
 126
 127 check_toolchain()
 128 {
 129         if [ "x$CROSS_COMPILE" != "x" ] ; then
 130                 echo "[*] Cross-compiling for $($CC -print-multiarch)"
 131                 echo "CROSS_COMPILE=$CROSS_COMPILE" >> Config
 132         fi
 133
 134         echo -n "[*] Checking compiler $CC ... "
 135         if check_command $CC ; then
 136                 echo "[NO]"
 137                 MISSING_TOOLCHAIN=1
 138         else
 139                 echo "[YES]"
 140                 echo "CC=$CC" >> Config
 141         fi
 142
 143         echo -n "[*] Checking linker $LD ... "
 144         if check_command $LD ; then
 145                 echo "[NO]"
 146                 MISSING_TOOLCHAIN=1
 147         else
 148                 echo "[YES]"
 149                 echo "LD=$LD" >> Config
 150         fi
 151
 152         echo -n "[*] Checking $PKG_CONFIG ... "
 153         if check_command $PKG_CONFIG ; then
 154                 echo "[NO]"
 155                 MISSING_TOOLCHAIN=1
 156         else
 157                 echo "[YES]"
 158                 echo "PKG_CONFIG=$PKG_CONFIG" >> Config
 159                 echo "PKG_CONFIG_PATH=$PKG_CONFIG_PATH" >> Config
 160         fi
 161 }
 162
 163 check_flex()
 164 {
 165         echo -n "[*] Checking flex ... "
 166
 167         if check_command flex ; then
 168                 echo "[NO]"
 169                 MISSING_DEFS=1
 170                 tools_remove "trafgen"
 171                 tools_remove "bpfc"
 172         else
 173                 echo "[YES]"
 174         fi
 175 }
 176
 177 check_bison()
 178 {
 179         echo -n "[*] Checking bison ... "
 180
 181         if check_command bison ; then
 182                 echo "[NO]"
 183                 MISSING_DEFS=1
 184                 tools_remove "trafgen"
 185                 tools_remove "bpfc"
 186         else
 187                 echo "[YES]"
 188         fi
 189 }
 190
 191 check_nacl()
 192 {
 193         echo -n "[*] Checking nacl/sodium ... "
 194
 195         cat > $TMPDIR/nacltest.c << EOF
 196 #include "crypto_hash_sha512.h"
 197 #include "crypto_verify_32.h"
 198 #include "crypto_hash_sha512.h"
 199 #include "crypto_box_curve25519xsalsa20poly1305.h"
 200 #include "crypto_scalarmult_curve25519.h"
 201 #include "crypto_auth_hmacsha512256.h"
 202
 203 int main(void) { }
 204 EOF
 205
 206         if [ -z $NACL_INC_DIR ] ; then
 207                 NACL_INC_DIR=$(pkg-config --variable=includedir libsodium)
 208                 if [ -z $NACL_INC_DIR ] ; then
 209                         NACL_INC_DIR="$SYSROOT/usr/include/nacl"
 210                 else
 211                         NACL_INC_DIR="$NACL_INC_DIR/sodium"
 212                         NACL_LIB="sodium"
 213                 fi
 214         fi
 215
 216         if [ -z $NACL_LIB_DIR ] ; then
 217                 NACL_LIB_DIR="$SYSROOT/usr/lib"
 218         fi
 219
 220         if [ -z $NACL_LIB ] ; then
 221                 NACL_LIB="nacl"
 222         fi
 223
 224         LDFLAGS="-L $NACL_LIB_DIR"
 225         CFLAGS="-I $NACL_INC_DIR"
 226
 227         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> config.log 2>&1
 228         if [ ! -x $TMPDIR/nacltest ] ; then
 229                 echo "[NO]"
 230                 MISSING_NACL=1
 231                 tools_remove "curvetun"
 232         else
 233                 echo "[YES]"
 234                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
 235                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
 236                 echo "CONFIG_NACL_LIB:=$NACL_LIB" >> Config
 237         fi
 238 }
 239
 240 check_libnl()
 241 {
 242         echo -n "[*] Checking libnl ... "
 243
 244         if [ "$DISABLE_LIBNL" == "1" ] ; then
 245                 echo "[DISABLED]"
 246                 return
 247         fi
 248
 249         cat > $TMPDIR/libnltest.c << EOF
 250 #include <netlink/genl/genl.h>
 251 #include <netlink/genl/family.h>
 252 #include <netlink/genl/ctrl.h>
 253 #include <netlink/msg.h>
 254 #include <netlink/attr.h>
 255 #include <netlink/version.h>
 256
 257 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
 258 # error incompatible libnl version
 259 #endif
 260
 261 int main(void)
 262 {
 263         struct nl_sock *sock = nl_socket_alloc();
 264         struct nl_cache *nl_cache;
 265         int ret = genl_connect(sock);
 266
 267         ret = genl_ctrl_alloc_cache(sock, &nl_cache);
 268 }
 269 EOF
 270
 271         $CC \
 272                 $($PKG_CONFIG --cflags libnl-3.0 2>> config.log) \
 273                 $($PKG_CONFIG --cflags libnl-genl-3.0 2>> config.log) \
 274                 -o $TMPDIR/libnltest \
 275                 $TMPDIR/libnltest.c \
 276                 $($PKG_CONFIG --libs libnl-3.0 2>> config.log) \
 277                 $($PKG_CONFIG --libs libnl-genl-3.0 2>> config.log) \
 278                         >> config.log 2>&1
 279         if [ ! -x $TMPDIR/libnltest ] ; then
 280                 echo "[NO]"
 281                 MISSING_DEFS=1
 282         else
 283                 echo "[YES]"
 284                 HAVE_LIBNL=1
 285         fi
 286 }
 287
 288 check_libnl_route()
 289 {
 290         echo -n "[*] Checking libnl-route ... "
 291
 292         if [ "$DISABLE_LIBNL" == "1" ] ; then
 293                 echo "[DISABLED]"
 294                 return
 295         fi
 296
 297         if [ "$HAVE_LIBNL" == "0" ] ; then
 298                 echo "[SKIPPED]"
 299                 return
 300         fi
 301
 302         cat > $TMPDIR/libnlroutetest.c << EOF
 303 #include <netlink/route/link.h>
 304 #include <netlink/route/addr.h>
 305
 306 int main(void)
 307 {
 308         char str[100];
 309
 310         rtnl_addr_flags2str(1, str, sizeof(str));
 311         rtnl_link_flags2str(1, str, sizeof(str));
 312         rtnl_link_operstate2str(1, str, sizeof(str));
 313
 314         return 0;
 315 }
 316 EOF
 317
 318         $CC \
 319                 $($PKG_CONFIG --cflags libnl-route-3.0 2>> config.log) \
 320                 -o $TMPDIR/libnlroutetest \
 321                 $TMPDIR/libnlroutetest.c \
 322                 $($PKG_CONFIG --libs libnl-route-3.0 2>> config.log) \
 323                         >> config.log 2>&1
 324         if [ ! -x $TMPDIR/libnlroutetest ] ; then
 325                 echo "[NO]"
 326                 MISSING_DEFS=1
 327                 HAVE_LIBNL=0
 328         else
 329                 echo "[YES]"
 330                 # HAVE_LIBNL already set by check_libnl()
 331         fi
 332 }
 333
 334 check_tpacket_v3()
 335 {
 336         echo -n "[*] Checking tpacket_v3 ... "
 337
 338         cat > $TMPDIR/tpacketv3test.c << EOF
 339 #include <stdio.h>
 340 #include <linux/if_packet.h>
 341
 342 int main(void)
 343 {
 344         struct tpacket3_hdr *hdr;
 345         int foo[] = {
 346                 TP_STATUS_BLK_TMO,
 347         };
 348
 349         printf("%d\n", hdr->tp_status);
 350 }
 351 EOF
 352
 353         $CC -o $TMPDIR/tpacketv3test $TMPDIR/tpacketv3test.c >> config.log 2>&1
 354         if [ ! -x $TMPDIR/tpacketv3test ] ; then
 355                 echo "[NO]"
 356                 MISSING_DEFS=1
 357         else
 358                 echo "[YES]"
 359                 HAVE_TPACKET3=1
 360         fi
 361 }
 362
 363 check_tpacket_v2()
 364 {
 365         echo -n "[*] Checking tpacket_v2 ... "
 366
 367         cat > $TMPDIR/tpacketv2test.c << EOF
 368 #include <stdio.h>
 369 #include <linux/if_packet.h>
 370
 371 int main(void)
 372 {
 373         struct tpacket2_hdr *hdr;
 374         int foo[] = {
 375                 TP_STATUS_AVAILABLE,
 376                 TP_STATUS_SEND_REQUEST,
 377                 TP_STATUS_SENDING,
 378                 TP_STATUS_KERNEL,
 379                 TP_STATUS_USER,
 380         };
 381
 382         printf("%d\n", hdr->tp_status);
 383 }
 384 EOF
 385
 386         $CC -o $TMPDIR/tpacketv2test $TMPDIR/tpacketv2test.c >> config.log 2>&1
 387         if [ ! -x $TMPDIR/tpacketv2test ] ; then
 388                 echo "[NO]"
 389                 MISSING_DEFS=1
 390                 tools_remove "netsniff-ng"
 391                 tools_remove "trafgen"
 392         else
 393                 echo "[YES]"
 394         fi
 395 }
 396
 397 check_fopencookie()
 398 {
 399         echo -n "[*] Checking fopencookie ... "
 400
 401         cat > $TMPDIR/fopencookietest.c << EOF
 402 #define _GNU_SOURCE
 403 #include <stdio.h>
 404
 405 static cookie_io_functions_t cookie_fns;
 406
 407 int main(void)
 408 {
 409         FILE *f = fopencookie(NULL, "w", cookie_fns);
 410 }
 411 EOF
 412
 413         $CC -o $TMPDIR/fopencookietest $TMPDIR/fopencookietest.c >> config.log 2>&1
 414         if [ ! -x $TMPDIR/fopencookietest ] ; then
 415                 echo "[NO]"
 416                 MISSING_DEFS=1
 417                 tools_remove "curvetun"
 418         else
 419                 echo "[YES]"
 420         fi
 421 }
 422
 423 check_ncurses()
 424 {
 425         echo -n "[*] Checking ncurses ... "
 426
 427         cat > $TMPDIR/ncursestest.c << EOF
 428 #include <curses.h>
 429
 430 int main(void)
 431 {
 432         WINDOW *screen = initscr();
 433 }
 434 EOF
 435
 436         $CC \
 437                 $($PKG_CONFIG --cflags ncurses 2>> config.log) \
 438                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 439                 $($PKG_CONFIG --libs ncurses 2>> config.log \
 440                   || echo '-lncurses' ) \
 441                         >> config.log 2>&1
 442         if [ ! -x $TMPDIR/ncursestest ] ; then
 443                 echo "[NO]"
 444                 MISSING_DEFS=1
 445                 tools_remove "flowtop"
 446                 tools_remove "ifpps"
 447         else
 448                 echo "[YES]"
 449         fi
 450 }
 451
 452 check_libgeoip()
 453 {
 454         echo -n "[*] Checking libGeoIP ... "
 455
 456         if [ "$DISABLE_GEOIP" == "1" ] ; then
 457                 echo "[DISABLED]"
 458                 return
 459         fi
 460
 461         cat > $TMPDIR/geoiptest.c << EOF
 462 #include <GeoIP.h>
 463 #include <GeoIPCity.h>
 464
 465 int main(void)
 466 {
 467         int dbs[] = {
 468                 GEOIP_CITY_EDITION_REV1,
 469                 GEOIP_CITY_EDITION_REV1_V6,
 470                 GEOIP_COUNTRY_EDITION,
 471                 GEOIP_COUNTRY_EDITION_V6,
 472                 GEOIP_ASNUM_EDITION,
 473                 GEOIP_ASNUM_EDITION_V6,
 474         };
 475         GeoIP *geoip = GeoIP_new(0);
 476 }
 477 EOF
 478
 479         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> config.log 2>&1
 480         if [ ! -x $TMPDIR/geoiptest ] ; then
 481                 echo "[NO]"
 482                 MISSING_DEFS=1
 483         else
 484                 echo "[YES]"
 485                 HAVE_LIBGEOIP=1
 486         fi
 487 }
 488
 489 check_libnf_ct()
 490 {
 491         echo -n "[*] Checking libnetfilter-conntrack ... "
 492
 493         cat > $TMPDIR/nfcttest.c << EOF
 494 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 495 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 496 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 497 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 498
 499 int main(void)
 500 {
 501         struct nf_conntrack *ct;
 502         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 503 }
 504 EOF
 505
 506         $CC \
 507                 $($PKG_CONFIG --cflags libnetfilter_conntrack 2>> config.log) \
 508                 -o $TMPDIR/nfcttest \
 509                 $TMPDIR/nfcttest.c \
 510                 $($PKG_CONFIG --libs libnetfilter_conntrack 2>> config.log) \
 511                         >> config.log 2>&1
 512         if [ ! -x $TMPDIR/nfcttest ] ; then
 513                 echo "[NO]"
 514                 MISSING_DEFS=1
 515                 tools_remove "flowtop"
 516         else
 517                 echo "[YES]"
 518         fi
 519 }
 520
 521 check_zlib()
 522 {
 523         echo -n "[*] Checking libz ... "
 524
 525         if [ "$DISABLE_ZLIB" == "1" ] ; then
 526                 echo "[DISABLED]"
 527                 return
 528         fi
 529
 530         cat > $TMPDIR/ztest.c << EOF
 531 #include "zlib.h"
 532
 533 int main(void)
 534 {
 535         gzFile fp = gzopen("foo.gz", "rb");
 536 }
 537 EOF
 538
 539         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 540         if [ ! -x $TMPDIR/ztest ] ; then
 541                 echo "[NO]"
 542                 echo "CONFIG_LIBZ=0" >> Config
 543                 MISSING_DEFS=1
 544                 tools_remove "astraceroute"
 545                 tools_remove "flowtop"
 546         else
 547                 echo "[YES]"
 548                 echo "CONFIG_LIBZ=1" >> Config
 549                 HAVE_LIBZ=1
 550         fi
 551 }
 552
 553 check_urcu()
 554 {
 555         echo -n "[*] Checking liburcu ... "
 556
 557         cat > $TMPDIR/urcutest.c << EOF
 558 #include <urcu.h>
 559
 560 int main(void)
 561 {
 562         rcu_init();
 563         synchronize_rcu();
 564 }
 565 EOF
 566
 567         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 568         if [ ! -x $TMPDIR/urcutest ] ; then
 569                 echo "[NO]"
 570                 MISSING_DEFS=1
 571                 tools_remove "flowtop"
 572         else
 573                 echo "[YES]"
 574         fi
 575 }
 576
 577 check_libpcap()
 578 {
 579         echo -n "[*] Checking libpcap ... "
 580
 581         cat > $TMPDIR/pcaptest.c << EOF
 582 #include <pcap.h>
 583
 584 int main(void)
 585 {
 586         struct bpf_program bpf;
 587         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 588 }
 589 EOF
 590
 591         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c \
 592                 $($PKG_CONFIG --libs libpcap 2>> config.log) \
 593                 >> config.log 2>&1
 594         if [ ! -x $TMPDIR/pcaptest ] ; then
 595                 echo "[NO]"
 596                 echo "CONFIG_LIBPCAP=0" >> Config
 597                 MISSING_DEFS=1
 598                 tools_remove "mausezahn"
 599         else
 600                 echo "[YES]"
 601                 echo "CONFIG_LIBPCAP=1" >> Config
 602                 HAVE_LIBPCAP=1
 603         fi
 604 }
 605
 606 check_hwtstamp()
 607 {
 608         echo -n "[*] Checking hw timestamping ... "
 609
 610         cat > $TMPDIR/hwtstest.c << EOF
 611 #include <string.h>
 612 #include <arpa/inet.h>
 613 #include <sys/ioctl.h>
 614 #include <sys/types.h>
 615 #include <sys/socket.h>
 616 #include <linux/sockios.h>
 617 #include <linux/net_tstamp.h>
 618 #include <linux/if_packet.h>
 619 #include <linux/if_ether.h>
 620 #include <linux/if.h>
 621
 622 int main(void)
 623 {
 624         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 625         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 626         struct hwtstamp_config hwconfig;
 627         struct ifreq ifr;
 628
 629         memset(&hwconfig, 0, sizeof(hwconfig));
 630         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 631         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 632
 633         memset(&ifr, 0, sizeof(ifr));
 634         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 635         ifr.ifr_data = &hwconfig;
 636
 637         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 638         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 639                    sizeof(timesource));
 640 }
 641 EOF
 642
 643         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 644         if [ ! -x $TMPDIR/hwtstest ] ; then
 645                 echo "[NO]"
 646                 echo "CONFIG_HWTSTAMP=0" >> Config
 647         else
 648                 echo "[YES]"
 649                 echo "CONFIG_HWTSTAMP=1" >> Config
 650                 HAVE_HWTSTAMP=1
 651         fi
 652 }
 653
 654 check_libcli()
 655 {
 656         echo -n "[*] Checking libcli ... "
 657
 658         cat > $TMPDIR/clitest.c << EOF
 659 #include <sys/time.h>
 660 #include <libcli.h>
 661
 662 int main(void)
 663 {
 664         struct cli_def *cli = cli_init();
 665 }
 666 EOF
 667
 668         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 669         if [ ! -x $TMPDIR/clitest ] ; then
 670                 echo "[NO]"
 671                 MISSING_DEFS=1
 672                 tools_remove "mausezahn"
 673         else
 674                 echo "[YES]"
 675         fi
 676 }
 677
 678 check_libnet()
 679 {
 680         echo -n "[*] Checking libnet ... "
 681
 682         cat > $TMPDIR/nettest.c << EOF
 683 #include <libnet.h>
 684
 685 int main(void)
 686 {
 687         char err_buf[LIBNET_ERRBUF_SIZE];
 688         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 689 }
 690 EOF
 691
 692         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 693         if [ ! -x $TMPDIR/nettest ] ; then
 694                 echo "[NO]"
 695                 MISSING_DEFS=1
 696                 tools_remove "mausezahn"
 697         else
 698                 echo "[YES]"
 699         fi
 700 }
 701
 702 gen_version_appendix()
 703 {
 704         local _appendix=""
 705
 706         git rev-parse > /dev/null 2>&1
 707         if [ "$?" == "0" ] ; then
 708                 if [ ! "`git describe --always`" == \
 709                        "`git describe --abbrev=0 --tags`" ] ; then
 710                         _appendix="+"
 711                 fi
 712         fi
 713
 714         echo "CONFIG_RC=\"$_appendix\"" >> Config
 715 }
 716
 717 gen_config_hdr()
 718 {
 719         local _version=""
 720         local _have_libpcap=""
 721         local _have_libgeoip=""
 722         local _have_libnl=""
 723         local _have_libz=""
 724         local _have_hwts=""
 725         local _have_tp3=""
 726
 727         echo "[*] Generating config.h ..."
 728
 729         git rev-parse > /dev/null 2>&1
 730         if [ "$?" == "0" ] ; then
 731                 _version="`git describe --always`"
 732         else
 733                 _version="(none)"
 734         fi
 735
 736         if [ "$HAVE_LIBNL" == "1" ] ; then
 737                 _have_libnl="#define HAVE_LIBNL 1"
 738         else
 739                 _have_libnl="/* HAVE_LIBNL is not defined */"
 740         fi
 741
 742         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 743                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 744         else
 745                 _have_libpcap="/* HAVE_TCPDUMP_LIKE_FILTER is not defined */"
 746         fi
 747
 748         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 749                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 750         else
 751                 _have_hwts="/* HAVE_HARDWARE_TIMESTAMPING is not defined */"
 752         fi
 753
 754         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 755                 _have_libgeoip="#define HAVE_GEOIP 1"
 756         else
 757                 _have_libgeoip="/* HAVE_GEOIP is not defined */"
 758         fi
 759
 760         if [ "$HAVE_LIBZ" == "1" ] ; then
 761                 _have_libz="#define HAVE_LIBZ 1"
 762         else
 763                 _have_libz="/* HAVE_LIBZ is not defined */"
 764         fi
 765
 766         if [ "$HAVE_TPACKET3" == "1" ] ; then
 767                 _have_tp3="#define HAVE_TPACKET3 1"
 768         else
 769                 _have_tp3="/* HAVE_TPACKET3 is not defined */"
 770         fi
 771
 772         cat > config.h << EOF
 773 #ifndef CONFIG_H
 774 #define CONFIG_H
 775 #define FILE_CLIENTS ".curvetun/clients"
 776 #define FILE_SERVERS ".curvetun/servers"
 777 #define FILE_PRIVKEY ".curvetun/priv.key"
 778 #define FILE_PUBKEY ".curvetun/pub.key"
 779 #define FILE_USERNAM ".curvetun/username"
 780 #define GITVERSION "$_version"
 781 $_have_libnl
 782 $_have_libpcap
 783 $_have_libgeoip
 784 $_have_libz
 785 $_have_hwts
 786 $_have_tp3
 787 #endif /* CONFIG_H */
 788 EOF
 789 }
 790
 791 rm -f config.log
 792
 793 echo "# This file is autogenerated by the configure script" > Config
 794 check_toolchain
 795
 796 if [ "$MISSING_TOOLCHAIN" == "1" ] ; then
 797         echo "[!] One or more of the toolchain tools couldn't be found in your"
 798         echo "    \$PATH. Please check the file config.log for details."
 799         exit 1
 800 fi
 801
 802 # external tools
 803 check_flex
 804 check_bison
 805
 806 # kernel features
 807 check_tpacket_v2
 808 check_tpacket_v3
 809 check_hwtstamp
 810
 811 # libc features
 812 check_fopencookie
 813
 814 # libraries
 815 check_libcli
 816 check_libgeoip
 817 check_libnet
 818 check_libnf_ct
 819 check_libnl
 820 check_libnl_route
 821 check_libpcap
 822 check_nacl
 823 check_ncurses
 824 check_urcu
 825 check_zlib
 826
 827 gen_config_hdr
 828 gen_version_appendix
 829
 830 if [ "$MISSING_DEFS" == "1" ] ; then
 831         echo "[!] Some libraries or header definitions are missing or too old. Thus"
 832         echo "    certain tools will not be built (see below) or they will be built"
 833         echo "    with reduced functionality. Please refer to the INSTALL file for"
 834         echo "    the libraries needed to build the complete netsniff-ng toolkit"
 835 fi
 836
 837 if [ "$MISSING_NACL" == "1" ] ; then
 838         echo "[!] The NaCl crypto library is currently not present on your system or"
 839         echo "    could not be found. Either install it from your distro or build it"
 840         echo "    manually using 'make nacl' and make sure that the NACL_INC_DIR and"
 841         echo "    NACL_LIB_DIR environment variables are set appropriately."
 842 fi
 843
 844 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 845         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 846         echo "[*] The following tools will be built: $TOOLS"
 847 else
 848         echo "[*] Looks good! All tools will be built!"
 849 fi
 850
 851 if [ -s config.log ] ; then
 852         echo "[!] There were errors in the configure script. Please check the file"
 853         echo "    config.log for details."
 854 fi
 855
 856 echo "CONFIG_LIBNL=$HAVE_LIBNL" >> Config
 857
 858 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1" ] ; then
 859         echo "CONFIG_GEOIP=1" >> Config
 860 else
 861         echo "CONFIG_GEOIP=0" >> Config
 862 fi
 863
 864 echo "CONFIG_PREFIX=$PREFIX" >> Config
 865 echo "CONFIG_ETCDIR=$SYSCONF_DIR" >> Config
 866
 867 echo "CONFIG_DEBUG=$ENABLE_DEBUG" >> Config
 868 echo "CONFIG_TOOLS=$TOOLS" >> Config
 869 echo "CONFIG_OK=1" >> Config
 870
 871 exit 0