configure

   1 #!/bin/bash
   2 # This isn't a configure generated by autoconf!
   3 # netsniff-ng build system
   4 # Copyright 2013-2015 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_LIBPCAP=0
  16 HAVE_HWTSTAMP=0
  17 HAVE_LIBGEOIP=0
  18 HAVE_LIBZ=0
  19 HAVE_TPACKET3=0
  20
  21 # use "CROSS_COMPILE=<prefix> SYSROOT=<path> ./configure && make" for cross compilation
  22
  23 [ -z "$CC" ] && CC="${CROSS_COMPILE}gcc"
  24 [ -z "$LD" ] && LD="${CROSS_COMPILE}gcc"
  25 if [ "x$SYSROOT" != "x" ] ; then
  26         PKG_CONFIG_PATH="$SYSROOT/usr/lib/pkgconfig:$PKG_CONFIG_PATH"
  27 fi
  28 [ -z $PKG_CONFIG ] && PKG_CONFIG="${CROSS_COMPILE}pkg-config"
  29
  30 TMPDIR=$(mktemp -d config.XXXXXX)
  31 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
  32
  33 tools_remove()
  34 {
  35         local _tools=$TOOLS
  36         local _todel=$1
  37         TOOLS=""
  38         for tool in $_tools ; do
  39                 case "$tool" in
  40                 $_todel)
  41                         case $_todel in
  42                         $TOOLS_NOBUILD) ;;
  43                         *) TOOLS_NOBUILD="$TOOLS_NOBUILD $tool" ;;
  44                         esac ;;
  45                 *) TOOLS="$TOOLS $tool" ;;
  46                 esac
  47         done
  48
  49         TOOLS=${TOOLS# }
  50         TOOLS_NOBUILD=${TOOLS_NOBUILD# }
  51 }
  52
  53 check_toolchain()
  54 {
  55         if [ "x$CROSS_COMPILE" != "x" ] ; then
  56                 echo "[*] Cross-compiling for $($CC -print-multiarch)"
  57                 echo "CROSS_COMPILE=$CROSS_COMPILE" >> Config
  58         fi
  59
  60         echo -n "[*] Checking compiler $CC ... "
  61         if [ "x$(which $CC 2>> config.log)" == "x" ] ; then
  62                 echo "[NO]"
  63                 MISSING_TOOLCHAIN=1
  64         else
  65                 echo "[YES]"
  66                 echo "CC=$CC" >> Config
  67         fi
  68
  69         echo -n "[*] Checking linker $LD ... "
  70         if [ "x$(which $LD 2>> config.log)" == "x" ] ; then
  71                 echo "[NO]"
  72                 MISSING_TOOLCHAIN=1
  73         else
  74                 echo "[YES]"
  75                 echo "LD=$LD" >> Config
  76         fi
  77
  78         echo -n "[*] Checking $PKG_CONFIG ... "
  79         if [ "x$(which $PKG_CONFIG 2>> config.log)" == "x" ] ; then
  80                 echo "[NO]"
  81                 MISSING_TOOLCHAIN=1
  82         else
  83                 echo "[YES]"
  84                 echo "PKG_CONFIG=$PKG_CONFIG" >> Config
  85                 echo "PKG_CONFIG_PATH=$PKG_CONFIG_PATH" >> Config
  86         fi
  87 }
  88
  89 check_flex()
  90 {
  91         echo -n "[*] Checking flex ... "
  92
  93         if [ "x$(which flex 2>> config.log)" == "x" ] ; then
  94                 echo "[NO]"
  95                 MISSING_DEFS=1
  96                 tools_remove "trafgen"
  97                 tools_remove "bpfc"
  98         else
  99                 echo "[YES]"
 100         fi
 101 }
 102
 103 check_bison()
 104 {
 105         echo -n "[*] Checking bison ... "
 106
 107         if [ "x$(which bison 2>> config.log)" == "x" ] ; then
 108                 echo "[NO]"
 109                 MISSING_DEFS=1
 110                 tools_remove "trafgen"
 111                 tools_remove "bpfc"
 112         else
 113                 echo "[YES]"
 114         fi
 115 }
 116
 117 check_nacl()
 118 {
 119         echo -n "[*] Checking nacl ... "
 120
 121         cat > $TMPDIR/nacltest.c << EOF
 122 #include "crypto_hash_sha512.h"
 123 #include "crypto_verify_32.h"
 124 #include "crypto_hash_sha512.h"
 125 #include "crypto_box_curve25519xsalsa20poly1305.h"
 126 #include "crypto_scalarmult_curve25519.h"
 127 #include "crypto_auth_hmacsha512256.h"
 128
 129 int main(void) { }
 130 EOF
 131
 132         if [ -z $NACL_INC_DIR ] ; then
 133                 NACL_INC_DIR="$SYSROOT/usr/include/nacl"
 134         fi
 135
 136         if [ -z $NACL_LIB_DIR ] ; then
 137                 NACL_LIB_DIR="$SYSROOT/usr/lib"
 138         fi
 139
 140         if [ -z $NACL_LIB ] ; then
 141                 NACL_LIB="nacl"
 142         fi
 143
 144         LDFLAGS="-L $NACL_LIB_DIR"
 145         CFLAGS="-I $NACL_INC_DIR"
 146
 147         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> config.log 2>&1
 148         if [ ! -x $TMPDIR/nacltest ] ; then
 149                 echo "[NO]"
 150                 MISSING_NACL=1
 151                 tools_remove "curvetun"
 152         else
 153                 echo "[YES]"
 154                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
 155                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
 156                 echo "CONFIG_NACL_LIB:=$NACL_LIB" >> Config
 157         fi
 158 }
 159
 160 check_libnl()
 161 {
 162         echo -n "[*] Checking libnl ... "
 163
 164         cat > $TMPDIR/libnltest.c << EOF
 165 #include <netlink/genl/genl.h>
 166 #include <netlink/genl/family.h>
 167 #include <netlink/genl/ctrl.h>
 168 #include <netlink/msg.h>
 169 #include <netlink/attr.h>
 170 #include <netlink/version.h>
 171
 172 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
 173 # error incompatible libnl version
 174 #endif
 175
 176 int main(void)
 177 {
 178         struct nl_sock *sock = nl_socket_alloc();
 179         struct nl_cache *nl_cache;
 180         int ret = genl_connect(sock);
 181
 182         ret = genl_ctrl_alloc_cache(sock, &nl_cache);
 183 }
 184 EOF
 185
 186         $CC \
 187                 $($PKG_CONFIG --cflags libnl-3.0 2>> config.log) \
 188                 $($PKG_CONFIG --cflags libnl-genl-3.0 2>> config.log) \
 189                 -o $TMPDIR/libnltest \
 190                 $TMPDIR/libnltest.c \
 191                 $($PKG_CONFIG --libs libnl-3.0 2>> config.log) \
 192                 $($PKG_CONFIG --libs libnl-genl-3.0 2>> config.log) \
 193                         >> config.log 2>&1
 194         if [ ! -x $TMPDIR/libnltest ] ; then
 195                 echo "[NO]"
 196                 MISSING_DEFS=1
 197                 tools_remove "trafgen"
 198                 tools_remove "netsniff-ng"
 199         else
 200                 echo "[YES]"
 201         fi
 202 }
 203
 204 check_tpacket_v3()
 205 {
 206         echo -n "[*] Checking tpacket_v3 ... "
 207
 208         cat > $TMPDIR/tpacketv3test.c << EOF
 209 #include <stdio.h>
 210 #include <linux/if_packet.h>
 211
 212 int main(void)
 213 {
 214         struct tpacket3_hdr *hdr;
 215         int foo[] = {
 216                 TP_STATUS_BLK_TMO,
 217         };
 218
 219         printf("%d\n", hdr->tp_status);
 220 }
 221 EOF
 222
 223         $CC -o $TMPDIR/tpacketv3test $TMPDIR/tpacketv3test.c >> config.log 2>&1
 224         if [ ! -x $TMPDIR/tpacketv3test ] ; then
 225                 echo "[NO]"
 226                 MISSING_DEFS=1
 227         else
 228                 echo "[YES]"
 229                 HAVE_TPACKET3=1
 230         fi
 231 }
 232
 233 check_tpacket_v2()
 234 {
 235         echo -n "[*] Checking tpacket_v2 ... "
 236
 237         cat > $TMPDIR/tpacketv2test.c << EOF
 238 #include <stdio.h>
 239 #include <linux/if_packet.h>
 240
 241 int main(void)
 242 {
 243         struct tpacket2_hdr *hdr;
 244         int foo[] = {
 245                 TP_STATUS_AVAILABLE,
 246                 TP_STATUS_SEND_REQUEST,
 247                 TP_STATUS_SENDING,
 248                 TP_STATUS_KERNEL,
 249                 TP_STATUS_USER,
 250         };
 251
 252         printf("%d\n", hdr->tp_status);
 253 }
 254 EOF
 255
 256         $CC -o $TMPDIR/tpacketv2test $TMPDIR/tpacketv2test.c >> config.log 2>&1
 257         if [ ! -x $TMPDIR/tpacketv2test ] ; then
 258                 echo "[NO]"
 259                 MISSING_DEFS=1
 260                 tools_remove "netsniff-ng"
 261                 tools_remove "trafgen"
 262         else
 263                 echo "[YES]"
 264         fi
 265 }
 266
 267
 268 check_ncurses()
 269 {
 270         echo -n "[*] Checking ncurses ... "
 271
 272         cat > $TMPDIR/ncursestest.c << EOF
 273 #include <curses.h>
 274
 275 int main(void)
 276 {
 277         WINDOW *screen = initscr();
 278 }
 279 EOF
 280
 281         $CC \
 282                 $($PKG_CONFIG --cflags ncurses 2>> config.log) \
 283                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 284                 $($PKG_CONFIG --libs ncurses 2>> config.log \
 285                   || echo '-lncurses' ) \
 286                         >> config.log 2>&1
 287         if [ ! -x $TMPDIR/ncursestest ] ; then
 288                 echo "[NO]"
 289                 MISSING_DEFS=1
 290                 tools_remove "flowtop"
 291                 tools_remove "ifpps"
 292         else
 293                 echo "[YES]"
 294         fi
 295 }
 296
 297 check_libgeoip()
 298 {
 299         echo -n "[*] Checking libGeoIP ... "
 300
 301         cat > $TMPDIR/geoiptest.c << EOF
 302 #include <GeoIP.h>
 303 #include <GeoIPCity.h>
 304
 305 int main(void)
 306 {
 307         int dbs[] = {
 308                 GEOIP_CITY_EDITION_REV1,
 309                 GEOIP_CITY_EDITION_REV1_V6,
 310                 GEOIP_COUNTRY_EDITION,
 311                 GEOIP_COUNTRY_EDITION_V6,
 312                 GEOIP_ASNUM_EDITION,
 313                 GEOIP_ASNUM_EDITION_V6,
 314         };
 315         GeoIP *geoip = GeoIP_new(0);
 316 }
 317 EOF
 318
 319         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> config.log 2>&1
 320         if [ ! -x $TMPDIR/geoiptest ] ; then
 321                 echo "[NO]"
 322                 MISSING_DEFS=1
 323         else
 324                 echo "[YES]"
 325                 HAVE_LIBGEOIP=1
 326         fi
 327 }
 328
 329 check_libnf_ct()
 330 {
 331         echo -n "[*] Checking libnetfilter-conntrack ... "
 332
 333         cat > $TMPDIR/nfcttest.c << EOF
 334 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 335 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 336 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 337 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 338
 339 int main(void)
 340 {
 341         struct nf_conntrack *ct;
 342         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 343 }
 344 EOF
 345
 346         $CC -o $TMPDIR/nfcttest $TMPDIR/nfcttest.c -lnetfilter_conntrack >> config.log 2>&1
 347         if [ ! -x $TMPDIR/nfcttest ] ; then
 348                 echo "[NO]"
 349                 MISSING_DEFS=1
 350                 tools_remove "flowtop"
 351         else
 352                 echo "[YES]"
 353         fi
 354 }
 355
 356 check_zlib()
 357 {
 358         echo -n "[*] Checking libz ... "
 359
 360         cat > $TMPDIR/ztest.c << EOF
 361 #include "zlib.h"
 362
 363 int main(void)
 364 {
 365         gzFile fp = gzopen("foo.gz", "rb");
 366 }
 367 EOF
 368
 369         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 370         if [ ! -x $TMPDIR/ztest ] ; then
 371                 echo "[NO]"
 372                 echo "CONFIG_LIBZ=0" >> Config
 373                 MISSING_DEFS=1
 374                 tools_remove "astraceroute"
 375                 tools_remove "flowtop"
 376         else
 377                 echo "[YES]"
 378                 echo "CONFIG_LIBZ=1" >> Config
 379                 HAVE_LIBZ=1
 380         fi
 381 }
 382
 383 check_urcu()
 384 {
 385         echo -n "[*] Checking liburcu ... "
 386
 387         cat > $TMPDIR/urcutest.c << EOF
 388 #include <urcu.h>
 389
 390 int main(void)
 391 {
 392         rcu_init();
 393         synchronize_rcu();
 394 }
 395 EOF
 396
 397         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 398         if [ ! -x $TMPDIR/urcutest ] ; then
 399                 echo "[NO]"
 400                 MISSING_DEFS=1
 401                 tools_remove "flowtop"
 402         else
 403                 echo "[YES]"
 404         fi
 405 }
 406
 407 check_libpcap()
 408 {
 409         echo -n "[*] Checking libpcap ... "
 410
 411         cat > $TMPDIR/pcaptest.c << EOF
 412 #include <pcap.h>
 413
 414 int main(void)
 415 {
 416         struct bpf_program bpf;
 417         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 418 }
 419 EOF
 420
 421         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> config.log 2>&1
 422         if [ ! -x $TMPDIR/pcaptest ] ; then
 423                 echo "[NO]"
 424                 echo "CONFIG_LIBPCAP=0" >> Config
 425                 MISSING_DEFS=1
 426                 tools_remove "mausezahn"
 427         else
 428                 echo "[YES]"
 429                 echo "CONFIG_LIBPCAP=1" >> Config
 430                 HAVE_LIBPCAP=1
 431         fi
 432 }
 433
 434 check_hwtstamp()
 435 {
 436         echo -n "[*] Checking hw timestamping ... "
 437
 438         cat > $TMPDIR/hwtstest.c << EOF
 439 #include <string.h>
 440 #include <arpa/inet.h>
 441 #include <sys/ioctl.h>
 442 #include <sys/types.h>
 443 #include <sys/socket.h>
 444 #include <linux/sockios.h>
 445 #include <linux/net_tstamp.h>
 446 #include <linux/if_packet.h>
 447 #include <linux/if_ether.h>
 448 #include <linux/if.h>
 449
 450 int main(void)
 451 {
 452         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 453         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 454         struct hwtstamp_config hwconfig;
 455         struct ifreq ifr;
 456
 457         memset(&hwconfig, 0, sizeof(hwconfig));
 458         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 459         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 460
 461         memset(&ifr, 0, sizeof(ifr));
 462         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 463         ifr.ifr_data = &hwconfig;
 464
 465         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 466         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 467                    sizeof(timesource));
 468 }
 469 EOF
 470
 471         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 472         if [ ! -x $TMPDIR/hwtstest ] ; then
 473                 echo "[NO]"
 474                 echo "CONFIG_HWTSTAMP=0" >> Config
 475         else
 476                 echo "[YES]"
 477                 echo "CONFIG_HWTSTAMP=1" >> Config
 478                 HAVE_HWTSTAMP=1
 479         fi
 480 }
 481
 482 check_libcli()
 483 {
 484         echo -n "[*] Checking libcli ... "
 485
 486         cat > $TMPDIR/clitest.c << EOF
 487 #include <sys/time.h>
 488 #include <libcli.h>
 489
 490 int main(void)
 491 {
 492         struct cli_def *cli = cli_init();
 493 }
 494 EOF
 495
 496         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 497         if [ ! -x $TMPDIR/clitest ] ; then
 498                 echo "[NO]"
 499                 MISSING_DEFS=1
 500                 tools_remove "mausezahn"
 501         else
 502                 echo "[YES]"
 503         fi
 504 }
 505
 506 check_libnet()
 507 {
 508         echo -n "[*] Checking libnet ... "
 509
 510         cat > $TMPDIR/nettest.c << EOF
 511 #include <libnet.h>
 512
 513 int main(void)
 514 {
 515         char err_buf[LIBNET_ERRBUF_SIZE];
 516         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 517 }
 518 EOF
 519
 520         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 521         if [ ! -x $TMPDIR/nettest ] ; then
 522                 echo "[NO]"
 523                 MISSING_DEFS=1
 524                 tools_remove "mausezahn"
 525         else
 526                 echo "[YES]"
 527         fi
 528 }
 529
 530 gen_version_appendix()
 531 {
 532         local _appendix=""
 533
 534         git rev-parse > /dev/null 2>&1
 535         if [ "$?" == "0" ] ; then
 536                 if [ ! "`git describe --always`" == \
 537                        "`git describe --abbrev=0 --tags`" ] ; then
 538                         _appendix="+"
 539                 fi
 540         fi
 541
 542         echo "CONFIG_RC=\"$_appendix\"" >> Config
 543 }
 544
 545 gen_config_hdr()
 546 {
 547         local _version=""
 548         local _have_libpcap=""
 549         local _have_libgeoip=""
 550         local _have_libz=""
 551         local _have_hwts=""
 552         local _have_tp3=""
 553
 554         echo "[*] Generating config.h ..."
 555
 556         git rev-parse > /dev/null 2>&1
 557         if [ "$?" == "0" ] ; then
 558                 _version="`git describe --always`"
 559         else
 560                 _version="(none)"
 561         fi
 562
 563         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 564                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 565         fi
 566
 567         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 568                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 569         fi
 570
 571         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 572                 _have_libgeoip="#define HAVE_GEOIP 1"
 573         fi
 574
 575         if [ "$HAVE_LIBZ" == "1" ] ; then
 576                 _have_libz="#define HAVE_LIBZ 1"
 577         fi
 578
 579         if [ "$HAVE_TPACKET3" == "1" ] ; then
 580                 _have_tp3="#define HAVE_TPACKET3 1"
 581         fi
 582
 583         cat > config.h << EOF
 584 #ifndef CONFIG_H
 585 #define CONFIG_H
 586 #define FILE_CLIENTS ".curvetun/clients"
 587 #define FILE_SERVERS ".curvetun/servers"
 588 #define FILE_PRIVKEY ".curvetun/priv.key"
 589 #define FILE_PUBKEY ".curvetun/pub.key"
 590 #define FILE_USERNAM ".curvetun/username"
 591 #define GITVERSION "$_version"
 592 $_have_libpcap
 593 $_have_libgeoip
 594 $_have_libz
 595 $_have_hwts
 596 $_have_tp3
 597 #endif /* CONFIG_H */
 598 EOF
 599 }
 600
 601 rm -f config.log
 602
 603 echo "# This file is autogenerated by the configure script" > Config
 604 check_toolchain
 605
 606 if [ "$MISSING_TOOLCHAIN" == "1" ] ; then
 607         echo "[!] One or more of the toolchain tools couldn't be found in your"
 608         echo "    \$PATH. Please check the file config.log for details."
 609         exit 1
 610 fi
 611
 612 check_flex
 613 check_bison
 614 check_nacl
 615 check_libnl
 616 check_tpacket_v2
 617 check_tpacket_v3
 618 check_libnf_ct
 619 check_ncurses
 620 check_libgeoip
 621 check_zlib
 622 check_urcu
 623 check_libpcap
 624 check_hwtstamp
 625 check_libcli
 626 check_libnet
 627
 628 gen_config_hdr
 629 gen_version_appendix
 630
 631 if [ "$MISSING_DEFS" == "1" ] ; then
 632         echo "[!] Some libraries or header definitions are missing or too old. Thus"
 633         echo "    certain tools will not be built (see below). Please refer to the"
 634         echo "    INSTALL file for the libraries needed to build the complete"
 635         echo "    netsniff-ng toolkit."
 636 fi
 637
 638 if [ "$MISSING_NACL" == "1" ] ; then
 639         echo "[!] The NaCl crypto library is currently not present on your system or"
 640         echo "    could not be found. Either install it from your distro or build it"
 641         echo "    manually using 'make nacl' and make sure that the NACL_INC_DIR and"
 642         echo "    NACL_LIB_DIR environment variables are set appropriately."
 643 fi
 644
 645 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 646         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 647         echo "[*] The following tools will be built: $TOOLS"
 648 else
 649         echo "[*] Looks good! All tools will be built!"
 650 fi
 651
 652 if [ -s config.log ] ; then
 653         echo "[!] There were errors in the configure script. Please check the file"
 654         echo "    config.log for details."
 655 fi
 656
 657 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1"  ] ; then
 658         echo "CONFIG_GEOIP=1" >> Config
 659 else
 660         echo "CONFIG_GEOIP=0" >> Config
 661 fi
 662
 663 echo "CONFIG_TOOLS=$TOOLS" >> Config
 664 echo "CONFIG_OK=1" >> Config
 665
 666 exit 0