configure

   1 #!/bin/bash
   2 # This isn't a configure generated by autoconf!
   3 # netsniff-ng build system
   4 # Copyright 2013 Tobias Klauser <tklauser@distanz.ch>
   5 # Copyright 2013 Daniel Borkmann <borkmann@gnumaniacs.org>
   6 # Subject to the GNU GPL, version 2.
   7
   8 MISSING_PKG_CONFIG=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 [ -z $CC ] && CC=cc
  22
  23 TMPDIR=$(mktemp -d config.XXXXXX)
  24 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
  25
  26 tools_remove()
  27 {
  28         local _tools=$TOOLS
  29         local _todel=$1
  30         TOOLS=""
  31         for tool in $_tools ; do
  32                 case "$tool" in
  33                 $_todel)
  34                         case $_todel in
  35                         $TOOLS_NOBUILD) ;;
  36                         *) TOOLS_NOBUILD="$TOOLS_NOBUILD $tool" ;;
  37                         esac ;;
  38                 *) TOOLS="$TOOLS $tool" ;;
  39                 esac
  40         done
  41
  42         TOOLS=${TOOLS# }
  43         TOOLS_NOBUILD=${TOOLS_NOBUILD# }
  44 }
  45
  46 check_pkg_config()
  47 {
  48         echo -n "[*] Checking pkg-config ... "
  49
  50         if [ "x$(which pkg-config 2>> config.log)" == "x" ] ; then
  51                 echo "[NO]"
  52                 MISSING_PKG_CONFIG=1
  53         else
  54                 echo "[YES]"
  55         fi
  56 }
  57
  58 check_flex()
  59 {
  60         echo -n "[*] Checking flex ... "
  61
  62         if [ "x$(which flex 2>> config.log)" == "x" ] ; then
  63                 echo "[NO]"
  64                 MISSING_DEFS=1
  65                 tools_remove "trafgen"
  66                 tools_remove "bpfc"
  67         else
  68                 echo "[YES]"
  69         fi
  70 }
  71
  72 check_bison()
  73 {
  74         echo -n "[*] Checking bison ... "
  75
  76         if [ "x$(which bison 2>> config.log)" == "x" ] ; then
  77                 echo "[NO]"
  78                 MISSING_DEFS=1
  79                 tools_remove "trafgen"
  80                 tools_remove "bpfc"
  81         else
  82                 echo "[YES]"
  83         fi
  84 }
  85
  86 check_nacl()
  87 {
  88         echo -n "[*] Checking nacl ... "
  89
  90         cat > $TMPDIR/nacltest.c << EOF
  91 #include "crypto_hash_sha512.h"
  92 #include "crypto_verify_32.h"
  93 #include "crypto_hash_sha512.h"
  94 #include "crypto_box_curve25519xsalsa20poly1305.h"
  95 #include "crypto_scalarmult_curve25519.h"
  96 #include "crypto_auth_hmacsha512256.h"
  97
  98 int main(void) { }
  99 EOF
 100
 101         if [ -z $NACL_INC_DIR ] ; then
 102                 NACL_INC_DIR="/usr/include/nacl"
 103         fi
 104
 105         if [ -z $NACL_LIB_DIR ] ; then
 106                 NACL_LIB_DIR="/usr/lib"
 107         fi
 108
 109         if [ -z $NACL_LIB ] ; then
 110                 NACL_LIB="nacl"
 111         fi
 112
 113         LDFLAGS="-L $NACL_LIB_DIR"
 114         CFLAGS="-I $NACL_INC_DIR"
 115
 116         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> config.log 2>&1
 117         if [ ! -x $TMPDIR/nacltest ] ; then
 118                 echo "[NO]"
 119                 MISSING_NACL=1
 120                 tools_remove "curvetun"
 121         else
 122                 echo "[YES]"
 123                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
 124                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
 125                 echo "CONFIG_NACL_LIB:=$NACL_LIB" >> Config
 126         fi
 127 }
 128
 129 check_libnl()
 130 {
 131         echo -n "[*] Checking libnl ... "
 132
 133         cat > $TMPDIR/libnltest.c << EOF
 134 #include <libnl3/netlink/genl/genl.h>
 135 #include <libnl3/netlink/genl/family.h>
 136 #include <libnl3/netlink/genl/ctrl.h>
 137 #include <libnl3/netlink/msg.h>
 138 #include <libnl3/netlink/attr.h>
 139 #include <libnl3/netlink/version.h>
 140
 141 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
 142 # error incompatible libnl version
 143 #endif
 144
 145 int main(void)
 146 {
 147         struct nl_sock *sock = nl_socket_alloc();
 148         struct nl_cache *nl_cache;
 149         int ret = genl_connect(sock);
 150
 151         ret = genl_ctrl_alloc_cache(sock, &nl_cache);
 152 }
 153 EOF
 154
 155         $CC \
 156                 $(pkg-config --cflags libnl-3.0 2>> config.log) \
 157                 $(pkg-config --cflags libnl-genl-3.0 2>> config.log) \
 158                 -o $TMPDIR/libnltest \
 159                 $TMPDIR/libnltest.c \
 160                 $(pkg-config --libs libnl-3.0 2>> config.log) \
 161                 $(pkg-config --libs libnl-genl-3.0 2>> config.log) \
 162                         >> config.log 2>&1
 163         if [ ! -x $TMPDIR/libnltest ] ; then
 164                 echo "[NO]"
 165                 MISSING_DEFS=1
 166                 tools_remove "trafgen"
 167                 tools_remove "netsniff-ng"
 168         else
 169                 echo "[YES]"
 170         fi
 171 }
 172
 173 check_tpacket_v3()
 174 {
 175         echo -n "[*] Checking tpacket_v3 ... "
 176
 177         cat > $TMPDIR/tpacketv3test.c << EOF
 178 #include <stdio.h>
 179 #include <linux/if_packet.h>
 180
 181 int main(void)
 182 {
 183         struct tpacket3_hdr *hdr;
 184         int foo[] = {
 185                 TP_STATUS_BLK_TMO,
 186         };
 187
 188         printf("%d\n", hdr->tp_status);
 189 }
 190 EOF
 191
 192         $CC -o $TMPDIR/tpacketv3test $TMPDIR/tpacketv3test.c >> config.log 2>&1
 193         if [ ! -x $TMPDIR/tpacketv3test ] ; then
 194                 echo "[NO]"
 195                 MISSING_DEFS=1
 196         else
 197                 echo "[YES]"
 198                 HAVE_TPACKET3=1
 199         fi
 200 }
 201
 202 check_tpacket_v2()
 203 {
 204         echo -n "[*] Checking tpacket_v2 ... "
 205
 206         cat > $TMPDIR/tpacketv2test.c << EOF
 207 #include <stdio.h>
 208 #include <linux/if_packet.h>
 209
 210 int main(void)
 211 {
 212         struct tpacket2_hdr *hdr;
 213         int foo[] = {
 214                 TP_STATUS_AVAILABLE,
 215                 TP_STATUS_SEND_REQUEST,
 216                 TP_STATUS_SENDING,
 217                 TP_STATUS_KERNEL,
 218                 TP_STATUS_USER,
 219         };
 220
 221         printf("%d\n", hdr->tp_status);
 222 }
 223 EOF
 224
 225         $CC -o $TMPDIR/tpacketv2test $TMPDIR/tpacketv2test.c >> config.log 2>&1
 226         if [ ! -x $TMPDIR/tpacketv2test ] ; then
 227                 echo "[NO]"
 228                 MISSING_DEFS=1
 229                 tools_remove "netsniff-ng"
 230                 tools_remove "trafgen"
 231         else
 232                 echo "[YES]"
 233         fi
 234 }
 235
 236
 237 check_ncurses()
 238 {
 239         echo -n "[*] Checking ncurses ... "
 240
 241         cat > $TMPDIR/ncursestest.c << EOF
 242 #include <curses.h>
 243
 244 int main(void)
 245 {
 246         WINDOW *screen = initscr();
 247 }
 248 EOF
 249
 250         $CC \
 251                 $(pkg-config --cflags ncurses 2>> config.log) \
 252                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 253                 $(pkg-config --libs ncurses 2>> config.log \
 254                   || echo '-lncurses' ) \
 255                         >> config.log 2>&1
 256         if [ ! -x $TMPDIR/ncursestest ] ; then
 257                 echo "[NO]"
 258                 MISSING_DEFS=1
 259                 tools_remove "flowtop"
 260                 tools_remove "ifpps"
 261         else
 262                 echo "[YES]"
 263         fi
 264 }
 265
 266 check_libgeoip()
 267 {
 268         echo -n "[*] Checking libGeoIP ... "
 269
 270         cat > $TMPDIR/geoiptest.c << EOF
 271 #include <GeoIP.h>
 272 #include <GeoIPCity.h>
 273
 274 int main(void)
 275 {
 276         int dbs[] = {
 277                 GEOIP_CITY_EDITION_REV1,
 278                 GEOIP_CITY_EDITION_REV1_V6,
 279                 GEOIP_COUNTRY_EDITION,
 280                 GEOIP_COUNTRY_EDITION_V6,
 281                 GEOIP_ASNUM_EDITION,
 282                 GEOIP_ASNUM_EDITION_V6,
 283         };
 284         GeoIP *geoip = GeoIP_new(0);
 285 }
 286 EOF
 287
 288         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> config.log 2>&1
 289         if [ ! -x $TMPDIR/geoiptest ] ; then
 290                 echo "[NO]"
 291                 MISSING_DEFS=1
 292         else
 293                 echo "[YES]"
 294                 HAVE_LIBGEOIP=1
 295         fi
 296 }
 297
 298 check_libnf_ct()
 299 {
 300         echo -n "[*] Checking libnetfilter-conntrack ... "
 301
 302         cat > $TMPDIR/nfcttest.c << EOF
 303 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 304 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 305 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 306 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 307
 308 int main(void)
 309 {
 310         struct nf_conntrack *ct;
 311         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 312 }
 313 EOF
 314
 315         $CC -o $TMPDIR/nfcttest $TMPDIR/nfcttest.c -lnetfilter_conntrack >> config.log 2>&1
 316         if [ ! -x $TMPDIR/nfcttest ] ; then
 317                 echo "[NO]"
 318                 MISSING_DEFS=1
 319                 tools_remove "flowtop"
 320         else
 321                 echo "[YES]"
 322         fi
 323 }
 324
 325 check_zlib()
 326 {
 327         echo -n "[*] Checking libz ... "
 328
 329         cat > $TMPDIR/ztest.c << EOF
 330 #include "zlib.h"
 331
 332 int main(void)
 333 {
 334         gzFile fp = gzopen("foo.gz", "rb");
 335 }
 336 EOF
 337
 338         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 339         if [ ! -x $TMPDIR/ztest ] ; then
 340                 echo "[NO]"
 341                 echo "CONFIG_LIBZ=0" >> Config
 342                 MISSING_DEFS=1
 343                 tools_remove "astraceroute"
 344                 tools_remove "flowtop"
 345         else
 346                 echo "[YES]"
 347                 echo "CONFIG_LIBZ=1" >> Config
 348                 HAVE_LIBZ=1
 349         fi
 350 }
 351
 352 check_urcu()
 353 {
 354         echo -n "[*] Checking liburcu ... "
 355
 356         cat > $TMPDIR/urcutest.c << EOF
 357 #include <urcu.h>
 358
 359 int main(void)
 360 {
 361         rcu_init();
 362         synchronize_rcu();
 363 }
 364 EOF
 365
 366         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 367         if [ ! -x $TMPDIR/urcutest ] ; then
 368                 echo "[NO]"
 369                 MISSING_DEFS=1
 370                 tools_remove "flowtop"
 371         else
 372                 echo "[YES]"
 373         fi
 374 }
 375
 376 check_libpcap()
 377 {
 378         echo -n "[*] Checking libpcap ... "
 379
 380         cat > $TMPDIR/pcaptest.c << EOF
 381 #include <pcap.h>
 382
 383 int main(void)
 384 {
 385         struct bpf_program bpf;
 386         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 387 }
 388 EOF
 389
 390         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> config.log 2>&1
 391         if [ ! -x $TMPDIR/pcaptest ] ; then
 392                 echo "[NO]"
 393                 echo "CONFIG_LIBPCAP=0" >> Config
 394                 MISSING_DEFS=1
 395                 tools_remove "mausezahn"
 396         else
 397                 echo "[YES]"
 398                 echo "CONFIG_LIBPCAP=1" >> Config
 399                 HAVE_LIBPCAP=1
 400         fi
 401 }
 402
 403 check_hwtstamp()
 404 {
 405         echo -n "[*] Checking hw timestamping ... "
 406
 407         cat > $TMPDIR/hwtstest.c << EOF
 408 #include <string.h>
 409 #include <arpa/inet.h>
 410 #include <sys/ioctl.h>
 411 #include <sys/types.h>
 412 #include <sys/socket.h>
 413 #include <linux/sockios.h>
 414 #include <linux/net_tstamp.h>
 415 #include <linux/if_packet.h>
 416 #include <linux/if_ether.h>
 417 #include <linux/if.h>
 418
 419 int main(void)
 420 {
 421         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 422         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 423         struct hwtstamp_config hwconfig;
 424         struct ifreq ifr;
 425
 426         memset(&hwconfig, 0, sizeof(hwconfig));
 427         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 428         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 429
 430         memset(&ifr, 0, sizeof(ifr));
 431         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 432         ifr.ifr_data = &hwconfig;
 433
 434         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 435         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 436                    sizeof(timesource));
 437 }
 438 EOF
 439
 440         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 441         if [ ! -x $TMPDIR/hwtstest ] ; then
 442                 echo "[NO]"
 443                 echo "CONFIG_HWTSTAMP=0" >> Config
 444         else
 445                 echo "[YES]"
 446                 echo "CONFIG_HWTSTAMP=1" >> Config
 447                 HAVE_HWTSTAMP=1
 448         fi
 449 }
 450
 451 check_libcli()
 452 {
 453         echo -n "[*] Checking libcli ... "
 454
 455         cat > $TMPDIR/clitest.c << EOF
 456 #include <sys/time.h>
 457 #include <libcli.h>
 458
 459 int main(void)
 460 {
 461         struct cli_def *cli = cli_init();
 462 }
 463 EOF
 464
 465         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 466         if [ ! -x $TMPDIR/clitest ] ; then
 467                 echo "[NO]"
 468                 MISSING_DEFS=1
 469                 tools_remove "mausezahn"
 470         else
 471                 echo "[YES]"
 472         fi
 473 }
 474
 475 check_libnet()
 476 {
 477         echo -n "[*] Checking libnet ... "
 478
 479         cat > $TMPDIR/nettest.c << EOF
 480 #include <libnet.h>
 481
 482 int main(void)
 483 {
 484         char err_buf[LIBNET_ERRBUF_SIZE];
 485         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 486 }
 487 EOF
 488
 489         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 490         if [ ! -x $TMPDIR/nettest ] ; then
 491                 echo "[NO]"
 492                 MISSING_DEFS=1
 493                 tools_remove "mausezahn"
 494         else
 495                 echo "[YES]"
 496         fi
 497 }
 498
 499 gen_version_appendix()
 500 {
 501         local _appendix=""
 502
 503         git rev-parse > /dev/null 2>&1
 504         if [ "$?" == "0" ] ; then
 505                 if [ ! "`git describe --always`" == \
 506                        "`git describe --abbrev=0 --tags`" ] ; then
 507                         _appendix="+"
 508                 fi
 509         fi
 510
 511         echo "CONFIG_RC=\"$_appendix\"" >> Config
 512 }
 513
 514 gen_config_hdr()
 515 {
 516         local _version=""
 517         local _have_libpcap=""
 518         local _have_libgeoip=""
 519         local _have_libz=""
 520         local _have_hwts=""
 521         local _have_tp3=""
 522
 523         echo "[*] Generating config.h ..."
 524
 525         git rev-parse > /dev/null 2>&1
 526         if [ "$?" == "0" ] ; then
 527                 _version="`git describe --always`"
 528         else
 529                 _version="(none)"
 530         fi
 531
 532         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 533                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 534         fi
 535
 536         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 537                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 538         fi
 539
 540         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 541                 _have_libgeoip="#define HAVE_GEOIP 1"
 542         fi
 543
 544         if [ "$HAVE_LIBZ" == "1" ] ; then
 545                 _have_libz="#define HAVE_LIBZ 1"
 546         fi
 547
 548         if [ "$HAVE_TPACKET3" == "1" ] ; then
 549                 _have_tp3="#define HAVE_TPACKET3 1"
 550         fi
 551
 552         cat > config.h << EOF
 553 #ifndef CONFIG_H
 554 #define CONFIG_H
 555 #define FILE_CLIENTS ".curvetun/clients"
 556 #define FILE_SERVERS ".curvetun/servers"
 557 #define FILE_PRIVKEY ".curvetun/priv.key"
 558 #define FILE_PUBKEY ".curvetun/pub.key"
 559 #define FILE_USERNAM ".curvetun/username"
 560 #define GITVERSION "$_version"
 561 $_have_libpcap
 562 $_have_libgeoip
 563 $_have_libz
 564 $_have_hwts
 565 $_have_tp3
 566 #endif /* CONFIG_H */
 567 EOF
 568 }
 569
 570 rm -f config.log
 571
 572 echo "# This file is autogenerated by the configure script" > Config
 573 check_pkg_config
 574
 575 if [ "$MISSING_PKG_CONFIG" == "1" ] ; then
 576         echo "[!] pkg-config is not installed on your system or not in the PATH"
 577         exit 1
 578 fi
 579
 580 check_flex
 581 check_bison
 582 check_nacl
 583 check_libnl
 584 check_tpacket_v2
 585 check_tpacket_v3
 586 check_libnf_ct
 587 check_ncurses
 588 check_libgeoip
 589 check_zlib
 590 check_urcu
 591 check_libpcap
 592 check_hwtstamp
 593 check_libcli
 594 check_libnet
 595
 596 gen_config_hdr
 597 gen_version_appendix
 598
 599 if [ "$MISSING_DEFS" == "1" ] ; then
 600         echo "[!] Some libraries or header definitions are missing or too old. Thus"
 601         echo "    certain tools will not be built (see below). Please refer to the"
 602         echo "    INSTALL file for the libraries needed to build the complete"
 603         echo "    netsniff-ng toolkit."
 604 fi
 605
 606 if [ "$MISSING_NACL" == "1" ] ; then
 607         echo "[!] The NaCl crypto library is currently not present on your system or"
 608         echo "    could not be found. Either install it from your distro or build it"
 609         echo "    manually using 'make nacl' and make sure that the NACL_INC_DIR and"
 610         echo "    NACL_LIB_DIR environment variables are set appropriately."
 611 fi
 612
 613 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 614         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 615         echo "[*] The following tools will be built: $TOOLS"
 616 else
 617         echo "[*] Looks good! All tools will be built!"
 618 fi
 619
 620 if [ -s config.log ] ; then
 621         echo "[!] There were errors in the configure script. Please check the file"
 622         echo "    config.log for details."
 623 fi
 624
 625 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1"  ] ; then
 626         echo "CONFIG_GEOIP=1" >> Config
 627 else
 628         echo "CONFIG_GEOIP=0" >> Config
 629 fi
 630
 631 echo "CONFIG_TOOLS=$TOOLS" >> Config
 632 echo "CONFIG_OK=1" >> Config
 633
 634 exit 0