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 ... "
 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 $NACL_INC_DIR ] ; then
 207                 NACL_INC_DIR="$SYSROOT/usr/include/nacl"
 208         fi
 209
 210         if [ -z $NACL_LIB_DIR ] ; then
 211                 NACL_LIB_DIR="$SYSROOT/usr/lib"
 212         fi
 213
 214         if [ -z $NACL_LIB ] ; then
 215                 NACL_LIB="nacl"
 216         fi
 217
 218         LDFLAGS="-L $NACL_LIB_DIR"
 219         CFLAGS="-I $NACL_INC_DIR"
 220
 221         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> config.log 2>&1
 222         if [ ! -x $TMPDIR/nacltest ] ; then
 223                 echo "[NO]"
 224                 MISSING_NACL=1
 225                 tools_remove "curvetun"
 226         else
 227                 echo "[YES]"
 228                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
 229                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
 230                 echo "CONFIG_NACL_LIB:=$NACL_LIB" >> Config
 231         fi
 232 }
 233
 234 check_libnl()
 235 {
 236         echo -n "[*] Checking libnl ... "
 237
 238         if [ "$DISABLE_LIBNL" == "1" ] ; then
 239                 echo "[DISABLED]"
 240                 return
 241         fi
 242
 243         cat > $TMPDIR/libnltest.c << EOF
 244 #include <netlink/genl/genl.h>
 245 #include <netlink/genl/family.h>
 246 #include <netlink/genl/ctrl.h>
 247 #include <netlink/msg.h>
 248 #include <netlink/attr.h>
 249 #include <netlink/version.h>
 250
 251 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
 252 # error incompatible libnl version
 253 #endif
 254
 255 int main(void)
 256 {
 257         struct nl_sock *sock = nl_socket_alloc();
 258         struct nl_cache *nl_cache;
 259         int ret = genl_connect(sock);
 260
 261         ret = genl_ctrl_alloc_cache(sock, &nl_cache);
 262 }
 263 EOF
 264
 265         $CC \
 266                 $($PKG_CONFIG --cflags libnl-3.0 2>> config.log) \
 267                 $($PKG_CONFIG --cflags libnl-genl-3.0 2>> config.log) \
 268                 -o $TMPDIR/libnltest \
 269                 $TMPDIR/libnltest.c \
 270                 $($PKG_CONFIG --libs libnl-3.0 2>> config.log) \
 271                 $($PKG_CONFIG --libs libnl-genl-3.0 2>> config.log) \
 272                         >> config.log 2>&1
 273         if [ ! -x $TMPDIR/libnltest ] ; then
 274                 echo "[NO]"
 275                 MISSING_DEFS=1
 276         else
 277                 echo "[YES]"
 278                 HAVE_LIBNL=1
 279         fi
 280 }
 281
 282 check_libnl_route()
 283 {
 284         echo -n "[*] Checking libnl-route ... "
 285
 286         if [ "$DISABLE_LIBNL" == "1" ] ; then
 287                 echo "[DISABLED]"
 288                 return
 289         fi
 290
 291         if [ "$HAVE_LIBNL" == "0" ] ; then
 292                 echo "[SKIPPED]"
 293                 return
 294         fi
 295
 296         cat > $TMPDIR/libnlroutetest.c << EOF
 297 #include <netlink/route/link.h>
 298 #include <netlink/route/addr.h>
 299
 300 int main(void)
 301 {
 302         char str[100];
 303
 304         rtnl_addr_flags2str(1, str, sizeof(str));
 305         rtnl_link_flags2str(1, str, sizeof(str));
 306         rtnl_link_operstate2str(1, str, sizeof(str));
 307
 308         return 0;
 309 }
 310 EOF
 311
 312         $CC \
 313                 $($PKG_CONFIG --cflags libnl-route-3.0 2>> config.log) \
 314                 -o $TMPDIR/libnlroutetest \
 315                 $TMPDIR/libnlroutetest.c \
 316                 $($PKG_CONFIG --libs libnl-route-3.0 2>> config.log) \
 317                         >> config.log 2>&1
 318         if [ ! -x $TMPDIR/libnlroutetest ] ; then
 319                 echo "[NO]"
 320                 MISSING_DEFS=1
 321                 HAVE_LIBNL=0
 322         else
 323                 echo "[YES]"
 324                 # HAVE_LIBNL already set by check_libnl()
 325         fi
 326 }
 327
 328 check_tpacket_v3()
 329 {
 330         echo -n "[*] Checking tpacket_v3 ... "
 331
 332         cat > $TMPDIR/tpacketv3test.c << EOF
 333 #include <stdio.h>
 334 #include <linux/if_packet.h>
 335
 336 int main(void)
 337 {
 338         struct tpacket3_hdr *hdr;
 339         int foo[] = {
 340                 TP_STATUS_BLK_TMO,
 341         };
 342
 343         printf("%d\n", hdr->tp_status);
 344 }
 345 EOF
 346
 347         $CC -o $TMPDIR/tpacketv3test $TMPDIR/tpacketv3test.c >> config.log 2>&1
 348         if [ ! -x $TMPDIR/tpacketv3test ] ; then
 349                 echo "[NO]"
 350                 MISSING_DEFS=1
 351         else
 352                 echo "[YES]"
 353                 HAVE_TPACKET3=1
 354         fi
 355 }
 356
 357 check_tpacket_v2()
 358 {
 359         echo -n "[*] Checking tpacket_v2 ... "
 360
 361         cat > $TMPDIR/tpacketv2test.c << EOF
 362 #include <stdio.h>
 363 #include <linux/if_packet.h>
 364
 365 int main(void)
 366 {
 367         struct tpacket2_hdr *hdr;
 368         int foo[] = {
 369                 TP_STATUS_AVAILABLE,
 370                 TP_STATUS_SEND_REQUEST,
 371                 TP_STATUS_SENDING,
 372                 TP_STATUS_KERNEL,
 373                 TP_STATUS_USER,
 374         };
 375
 376         printf("%d\n", hdr->tp_status);
 377 }
 378 EOF
 379
 380         $CC -o $TMPDIR/tpacketv2test $TMPDIR/tpacketv2test.c >> config.log 2>&1
 381         if [ ! -x $TMPDIR/tpacketv2test ] ; then
 382                 echo "[NO]"
 383                 MISSING_DEFS=1
 384                 tools_remove "netsniff-ng"
 385                 tools_remove "trafgen"
 386         else
 387                 echo "[YES]"
 388         fi
 389 }
 390
 391 check_fopencookie()
 392 {
 393         echo -n "[*] Checking fopencookie ... "
 394
 395         cat > $TMPDIR/fopencookietest.c << EOF
 396 #define _GNU_SOURCE
 397 #include <stdio.h>
 398
 399 static cookie_io_functions_t cookie_fns;
 400
 401 int main(void)
 402 {
 403         FILE *f = fopencookie(NULL, "w", cookie_fns);
 404 }
 405 EOF
 406
 407         $CC -o $TMPDIR/fopencookietest $TMPDIR/fopencookietest.c >> config.log 2>&1
 408         if [ ! -x $TMPDIR/fopencookietest ] ; then
 409                 echo "[NO]"
 410                 MISSING_DEFS=1
 411                 tools_remove "curvetun"
 412         else
 413                 echo "[YES]"
 414         fi
 415 }
 416
 417 check_ncurses()
 418 {
 419         echo -n "[*] Checking ncurses ... "
 420
 421         cat > $TMPDIR/ncursestest.c << EOF
 422 #include <curses.h>
 423
 424 int main(void)
 425 {
 426         WINDOW *screen = initscr();
 427 }
 428 EOF
 429
 430         $CC \
 431                 $($PKG_CONFIG --cflags ncurses 2>> config.log) \
 432                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 433                 $($PKG_CONFIG --libs ncurses 2>> config.log \
 434                   || echo '-lncurses' ) \
 435                         >> config.log 2>&1
 436         if [ ! -x $TMPDIR/ncursestest ] ; then
 437                 echo "[NO]"
 438                 MISSING_DEFS=1
 439                 tools_remove "flowtop"
 440                 tools_remove "ifpps"
 441         else
 442                 echo "[YES]"
 443         fi
 444 }
 445
 446 check_libgeoip()
 447 {
 448         echo -n "[*] Checking libGeoIP ... "
 449
 450         if [ "$DISABLE_GEOIP" == "1" ] ; then
 451                 echo "[DISABLED]"
 452                 return
 453         fi
 454
 455         cat > $TMPDIR/geoiptest.c << EOF
 456 #include <GeoIP.h>
 457 #include <GeoIPCity.h>
 458
 459 int main(void)
 460 {
 461         int dbs[] = {
 462                 GEOIP_CITY_EDITION_REV1,
 463                 GEOIP_CITY_EDITION_REV1_V6,
 464                 GEOIP_COUNTRY_EDITION,
 465                 GEOIP_COUNTRY_EDITION_V6,
 466                 GEOIP_ASNUM_EDITION,
 467                 GEOIP_ASNUM_EDITION_V6,
 468         };
 469         GeoIP *geoip = GeoIP_new(0);
 470 }
 471 EOF
 472
 473         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> config.log 2>&1
 474         if [ ! -x $TMPDIR/geoiptest ] ; then
 475                 echo "[NO]"
 476                 MISSING_DEFS=1
 477         else
 478                 echo "[YES]"
 479                 HAVE_LIBGEOIP=1
 480         fi
 481 }
 482
 483 check_libnf_ct()
 484 {
 485         echo -n "[*] Checking libnetfilter-conntrack ... "
 486
 487         cat > $TMPDIR/nfcttest.c << EOF
 488 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 489 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 490 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 491 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 492
 493 int main(void)
 494 {
 495         struct nf_conntrack *ct;
 496         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 497 }
 498 EOF
 499
 500         $CC \
 501                 $($PKG_CONFIG --cflags libnetfilter_conntrack 2>> config.log) \
 502                 -o $TMPDIR/nfcttest \
 503                 $TMPDIR/nfcttest.c \
 504                 $($PKG_CONFIG --libs libnetfilter_conntrack 2>> config.log) \
 505                         >> config.log 2>&1
 506         if [ ! -x $TMPDIR/nfcttest ] ; then
 507                 echo "[NO]"
 508                 MISSING_DEFS=1
 509                 tools_remove "flowtop"
 510         else
 511                 echo "[YES]"
 512         fi
 513 }
 514
 515 check_zlib()
 516 {
 517         echo -n "[*] Checking libz ... "
 518
 519         if [ "$DISABLE_ZLIB" == "1" ] ; then
 520                 echo "[DISABLED]"
 521                 return
 522         fi
 523
 524         cat > $TMPDIR/ztest.c << EOF
 525 #include "zlib.h"
 526
 527 int main(void)
 528 {
 529         gzFile fp = gzopen("foo.gz", "rb");
 530 }
 531 EOF
 532
 533         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 534         if [ ! -x $TMPDIR/ztest ] ; then
 535                 echo "[NO]"
 536                 echo "CONFIG_LIBZ=0" >> Config
 537                 MISSING_DEFS=1
 538                 tools_remove "astraceroute"
 539                 tools_remove "flowtop"
 540         else
 541                 echo "[YES]"
 542                 echo "CONFIG_LIBZ=1" >> Config
 543                 HAVE_LIBZ=1
 544         fi
 545 }
 546
 547 check_urcu()
 548 {
 549         echo -n "[*] Checking liburcu ... "
 550
 551         cat > $TMPDIR/urcutest.c << EOF
 552 #include <urcu.h>
 553
 554 int main(void)
 555 {
 556         rcu_init();
 557         synchronize_rcu();
 558 }
 559 EOF
 560
 561         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 562         if [ ! -x $TMPDIR/urcutest ] ; then
 563                 echo "[NO]"
 564                 MISSING_DEFS=1
 565                 tools_remove "flowtop"
 566         else
 567                 echo "[YES]"
 568         fi
 569 }
 570
 571 check_libpcap()
 572 {
 573         echo -n "[*] Checking libpcap ... "
 574
 575         cat > $TMPDIR/pcaptest.c << EOF
 576 #include <pcap.h>
 577
 578 int main(void)
 579 {
 580         struct bpf_program bpf;
 581         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 582 }
 583 EOF
 584
 585         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> config.log 2>&1
 586         if [ ! -x $TMPDIR/pcaptest ] ; then
 587                 echo "[NO]"
 588                 echo "CONFIG_LIBPCAP=0" >> Config
 589                 MISSING_DEFS=1
 590                 tools_remove "mausezahn"
 591         else
 592                 echo "[YES]"
 593                 echo "CONFIG_LIBPCAP=1" >> Config
 594                 HAVE_LIBPCAP=1
 595         fi
 596 }
 597
 598 check_hwtstamp()
 599 {
 600         echo -n "[*] Checking hw timestamping ... "
 601
 602         cat > $TMPDIR/hwtstest.c << EOF
 603 #include <string.h>
 604 #include <arpa/inet.h>
 605 #include <sys/ioctl.h>
 606 #include <sys/types.h>
 607 #include <sys/socket.h>
 608 #include <linux/sockios.h>
 609 #include <linux/net_tstamp.h>
 610 #include <linux/if_packet.h>
 611 #include <linux/if_ether.h>
 612 #include <linux/if.h>
 613
 614 int main(void)
 615 {
 616         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 617         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 618         struct hwtstamp_config hwconfig;
 619         struct ifreq ifr;
 620
 621         memset(&hwconfig, 0, sizeof(hwconfig));
 622         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 623         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 624
 625         memset(&ifr, 0, sizeof(ifr));
 626         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 627         ifr.ifr_data = &hwconfig;
 628
 629         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 630         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 631                    sizeof(timesource));
 632 }
 633 EOF
 634
 635         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 636         if [ ! -x $TMPDIR/hwtstest ] ; then
 637                 echo "[NO]"
 638                 echo "CONFIG_HWTSTAMP=0" >> Config
 639         else
 640                 echo "[YES]"
 641                 echo "CONFIG_HWTSTAMP=1" >> Config
 642                 HAVE_HWTSTAMP=1
 643         fi
 644 }
 645
 646 check_libcli()
 647 {
 648         echo -n "[*] Checking libcli ... "
 649
 650         cat > $TMPDIR/clitest.c << EOF
 651 #include <sys/time.h>
 652 #include <libcli.h>
 653
 654 int main(void)
 655 {
 656         struct cli_def *cli = cli_init();
 657 }
 658 EOF
 659
 660         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 661         if [ ! -x $TMPDIR/clitest ] ; then
 662                 echo "[NO]"
 663                 MISSING_DEFS=1
 664                 tools_remove "mausezahn"
 665         else
 666                 echo "[YES]"
 667         fi
 668 }
 669
 670 check_libnet()
 671 {
 672         echo -n "[*] Checking libnet ... "
 673
 674         cat > $TMPDIR/nettest.c << EOF
 675 #include <libnet.h>
 676
 677 int main(void)
 678 {
 679         char err_buf[LIBNET_ERRBUF_SIZE];
 680         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 681 }
 682 EOF
 683
 684         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 685         if [ ! -x $TMPDIR/nettest ] ; then
 686                 echo "[NO]"
 687                 MISSING_DEFS=1
 688                 tools_remove "mausezahn"
 689         else
 690                 echo "[YES]"
 691         fi
 692 }
 693
 694 gen_version_appendix()
 695 {
 696         local _appendix=""
 697
 698         git rev-parse > /dev/null 2>&1
 699         if [ "$?" == "0" ] ; then
 700                 if [ ! "`git describe --always`" == \
 701                        "`git describe --abbrev=0 --tags`" ] ; then
 702                         _appendix="+"
 703                 fi
 704         fi
 705
 706         echo "CONFIG_RC=\"$_appendix\"" >> Config
 707 }
 708
 709 gen_config_hdr()
 710 {
 711         local _version=""
 712         local _have_libpcap=""
 713         local _have_libgeoip=""
 714         local _have_libnl=""
 715         local _have_libz=""
 716         local _have_hwts=""
 717         local _have_tp3=""
 718
 719         echo "[*] Generating config.h ..."
 720
 721         git rev-parse > /dev/null 2>&1
 722         if [ "$?" == "0" ] ; then
 723                 _version="`git describe --always`"
 724         else
 725                 _version="(none)"
 726         fi
 727
 728         if [ "$HAVE_LIBNL" == "1" ] ; then
 729                 _have_libnl="#define HAVE_LIBNL 1"
 730         else
 731                 _have_libnl="/* HAVE_LIBNL is not defined */"
 732         fi
 733
 734         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 735                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 736         else
 737                 _have_libpcap="/* HAVE_TCPDUMP_LIKE_FILTER is not defined */"
 738         fi
 739
 740         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 741                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 742         else
 743                 _have_hwts="/* HAVE_HARDWARE_TIMESTAMPING is not defined */"
 744         fi
 745
 746         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 747                 _have_libgeoip="#define HAVE_GEOIP 1"
 748         else
 749                 _have_libgeoip="/* HAVE_GEOIP is not defined */"
 750         fi
 751
 752         if [ "$HAVE_LIBZ" == "1" ] ; then
 753                 _have_libz="#define HAVE_LIBZ 1"
 754         else
 755                 _have_libz="/* HAVE_LIBZ is not defined */"
 756         fi
 757
 758         if [ "$HAVE_TPACKET3" == "1" ] ; then
 759                 _have_tp3="#define HAVE_TPACKET3 1"
 760         else
 761                 _have_tp3="/* HAVE_TPACKET3 is not defined */"
 762         fi
 763
 764         cat > config.h << EOF
 765 #ifndef CONFIG_H
 766 #define CONFIG_H
 767 #define FILE_CLIENTS ".curvetun/clients"
 768 #define FILE_SERVERS ".curvetun/servers"
 769 #define FILE_PRIVKEY ".curvetun/priv.key"
 770 #define FILE_PUBKEY ".curvetun/pub.key"
 771 #define FILE_USERNAM ".curvetun/username"
 772 #define GITVERSION "$_version"
 773 $_have_libnl
 774 $_have_libpcap
 775 $_have_libgeoip
 776 $_have_libz
 777 $_have_hwts
 778 $_have_tp3
 779 #endif /* CONFIG_H */
 780 EOF
 781 }
 782
 783 rm -f config.log
 784
 785 echo "# This file is autogenerated by the configure script" > Config
 786 check_toolchain
 787
 788 if [ "$MISSING_TOOLCHAIN" == "1" ] ; then
 789         echo "[!] One or more of the toolchain tools couldn't be found in your"
 790         echo "    \$PATH. Please check the file config.log for details."
 791         exit 1
 792 fi
 793
 794 # external tools
 795 check_flex
 796 check_bison
 797
 798 # kernel features
 799 check_tpacket_v2
 800 check_tpacket_v3
 801 check_hwtstamp
 802
 803 # libc features
 804 check_fopencookie
 805
 806 # libraries
 807 check_libcli
 808 check_libgeoip
 809 check_libnet
 810 check_libnf_ct
 811 check_libnl
 812 check_libnl_route
 813 check_libpcap
 814 check_nacl
 815 check_ncurses
 816 check_urcu
 817 check_zlib
 818
 819 gen_config_hdr
 820 gen_version_appendix
 821
 822 if [ "$MISSING_DEFS" == "1" ] ; then
 823         echo "[!] Some libraries or header definitions are missing or too old. Thus"
 824         echo "    certain tools will not be built (see below) or they will be built"
 825         echo "    with reduced functionality. Please refer to the INSTALL file for"
 826         echo "    the libraries needed to build the complete netsniff-ng toolkit"
 827 fi
 828
 829 if [ "$MISSING_NACL" == "1" ] ; then
 830         echo "[!] The NaCl crypto library is currently not present on your system or"
 831         echo "    could not be found. Either install it from your distro or build it"
 832         echo "    manually using 'make nacl' and make sure that the NACL_INC_DIR and"
 833         echo "    NACL_LIB_DIR environment variables are set appropriately."
 834 fi
 835
 836 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 837         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 838         echo "[*] The following tools will be built: $TOOLS"
 839 else
 840         echo "[*] Looks good! All tools will be built!"
 841 fi
 842
 843 if [ -s config.log ] ; then
 844         echo "[!] There were errors in the configure script. Please check the file"
 845         echo "    config.log for details."
 846 fi
 847
 848 echo "CONFIG_LIBNL=$HAVE_LIBNL" >> Config
 849
 850 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1" ] ; then
 851         echo "CONFIG_GEOIP=1" >> Config
 852 else
 853         echo "CONFIG_GEOIP=0" >> Config
 854 fi
 855
 856 echo "CONFIG_PREFIX=$PREFIX" >> Config
 857 echo "CONFIG_ETCDIR=$SYSCONF_DIR" >> Config
 858
 859 echo "CONFIG_DEBUG=$ENABLE_DEBUG" >> Config
 860 echo "CONFIG_TOOLS=$TOOLS" >> Config
 861 echo "CONFIG_OK=1" >> Config
 862
 863 exit 0