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_ccache()
  59 {
  60         echo -n "[*] Checking ccache ... "
  61
  62         if [ "x$(which ccache 2>> config.log)" == "x" ] ; then
  63                 echo "[NO]"
  64                 echo "CONFIG_CCACHE=" >> Config
  65         else
  66                 echo "[YES]"
  67                 echo "CONFIG_CCACHE=ccache" >> Config
  68         fi
  69 }
  70
  71 check_flex()
  72 {
  73         echo -n "[*] Checking flex ... "
  74
  75         if [ "x$(which flex 2>> config.log)" == "x" ] ; then
  76                 echo "[NO]"
  77                 MISSING_DEFS=1
  78                 tools_remove "trafgen"
  79                 tools_remove "bpfc"
  80         else
  81                 echo "[YES]"
  82         fi
  83 }
  84
  85 check_bison()
  86 {
  87         echo -n "[*] Checking bison ... "
  88
  89         if [ "x$(which bison 2>> config.log)" == "x" ] ; then
  90                 echo "[NO]"
  91                 MISSING_DEFS=1
  92                 tools_remove "trafgen"
  93                 tools_remove "bpfc"
  94         else
  95                 echo "[YES]"
  96         fi
  97 }
  98
  99 check_nacl()
 100 {
 101         echo -n "[*] Checking nacl ... "
 102
 103         cat > $TMPDIR/nacltest.c << EOF
 104 #include "crypto_hash_sha512.h"
 105 #include "crypto_verify_32.h"
 106 #include "crypto_hash_sha512.h"
 107 #include "crypto_box_curve25519xsalsa20poly1305.h"
 108 #include "crypto_scalarmult_curve25519.h"
 109 #include "crypto_auth_hmacsha512256.h"
 110
 111 int main(void) { }
 112 EOF
 113
 114         if [ -z $NACL_INC_DIR ] ; then
 115                 NACL_INC_DIR="/usr/include/nacl"
 116         fi
 117
 118         if [ -z $NACL_LIB_DIR ] ; then
 119                 NACL_LIB_DIR="/usr/lib"
 120         fi
 121
 122         if [ -z $NACL_LIB ] ; then
 123                 NACL_LIB="nacl"
 124         fi
 125
 126         LDFLAGS="-L $NACL_LIB_DIR"
 127         CFLAGS="-I $NACL_INC_DIR"
 128
 129         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> config.log 2>&1
 130         if [ ! -x $TMPDIR/nacltest ] ; then
 131                 echo "[NO]"
 132                 MISSING_NACL=1
 133                 tools_remove "curvetun"
 134         else
 135                 echo "[YES]"
 136                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
 137                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
 138                 echo "CONFIG_NACL_LIB:=$NACL_LIB" >> Config
 139         fi
 140 }
 141
 142 check_libnl()
 143 {
 144         echo -n "[*] Checking libnl ... "
 145
 146         cat > $TMPDIR/libnltest.c << EOF
 147 #include <libnl3/netlink/genl/genl.h>
 148 #include <libnl3/netlink/genl/family.h>
 149 #include <libnl3/netlink/genl/ctrl.h>
 150 #include <libnl3/netlink/msg.h>
 151 #include <libnl3/netlink/attr.h>
 152 #include <libnl3/netlink/version.h>
 153
 154 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
 155 # error incompatible libnl version
 156 #endif
 157
 158 void main(void)
 159 {
 160         struct nl_sock *sock = nl_socket_alloc();
 161         struct nl_cache *nl_cache;
 162         int ret = genl_connect(sock);
 163
 164         ret = genl_ctrl_alloc_cache(sock, &nl_cache);
 165 }
 166 EOF
 167
 168         $CC \
 169                 $(pkg-config --cflags libnl-3.0 2>> config.log) \
 170                 $(pkg-config --cflags libnl-genl-3.0 2>> config.log) \
 171                 -o $TMPDIR/libnltest \
 172                 $TMPDIR/libnltest.c \
 173                 $(pkg-config --libs libnl-3.0 2>> config.log) \
 174                 $(pkg-config --libs libnl-genl-3.0 2>> config.log) \
 175                         >> config.log 2>&1
 176         if [ ! -x $TMPDIR/libnltest ] ; then
 177                 echo "[NO]"
 178                 MISSING_DEFS=1
 179                 tools_remove "trafgen"
 180                 tools_remove "netsniff-ng"
 181         else
 182                 echo "[YES]"
 183         fi
 184 }
 185
 186 check_tpacket_v3()
 187 {
 188         echo -n "[*] Checking tpacket_v3 ... "
 189
 190         cat > $TMPDIR/tpacketv3test.c << EOF
 191 #include <stdio.h>
 192 #include <linux/if_packet.h>
 193
 194 void main(void)
 195 {
 196         struct tpacket3_hdr *hdr;
 197         int foo[] = {
 198                 TP_STATUS_BLK_TMO,
 199         };
 200
 201         printf("%d\n", hdr->tp_status);
 202 }
 203 EOF
 204
 205         $CC -o $TMPDIR/tpacketv3test $TMPDIR/tpacketv3test.c >> config.log 2>&1
 206         if [ ! -x $TMPDIR/tpacketv3test ] ; then
 207                 echo "[NO]"
 208                 MISSING_DEFS=1
 209                 tools_remove "netsniff-ng"
 210         else
 211                 echo "[YES]"
 212                 HAVE_TPACKET3=1
 213         fi
 214 }
 215
 216 check_tpacket_v2()
 217 {
 218         echo -n "[*] Checking tpacket_v2 ... "
 219
 220         cat > $TMPDIR/tpacketv2test.c << EOF
 221 #include <stdio.h>
 222 #include <linux/if_packet.h>
 223
 224 void main(void)
 225 {
 226         struct tpacket2_hdr *hdr;
 227         int foo[] = {
 228                 TP_STATUS_AVAILABLE,
 229                 TP_STATUS_SEND_REQUEST,
 230                 TP_STATUS_SENDING,
 231                 TP_STATUS_KERNEL,
 232                 TP_STATUS_USER,
 233         };
 234
 235         printf("%d\n", hdr->tp_status);
 236 }
 237 EOF
 238
 239         $CC -o $TMPDIR/tpacketv2test $TMPDIR/tpacketv2test.c >> config.log 2>&1
 240         if [ ! -x $TMPDIR/tpacketv2test ] ; then
 241                 echo "[NO]"
 242                 MISSING_DEFS=1
 243                 tools_remove "netsniff-ng"
 244                 tools_remove "trafgen"
 245         else
 246                 echo "[YES]"
 247         fi
 248 }
 249
 250
 251 check_ncurses()
 252 {
 253         echo -n "[*] Checking ncurses ... "
 254
 255         cat > $TMPDIR/ncursestest.c << EOF
 256 #include <curses.h>
 257
 258 void main(void)
 259 {
 260         WINDOW *screen = initscr();
 261 }
 262 EOF
 263
 264         $CC \
 265                 $(pkg-config --cflags ncurses 2>> config.log) \
 266                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 267                 $(pkg-config --libs ncurses 2>> config.log \
 268                   || echo '-lncurses' ) \
 269                         >> config.log 2>&1
 270         if [ ! -x $TMPDIR/ncursestest ] ; then
 271                 echo "[NO]"
 272                 MISSING_DEFS=1
 273                 tools_remove "flowtop"
 274                 tools_remove "ifpps"
 275         else
 276                 echo "[YES]"
 277         fi
 278 }
 279
 280 check_libgeoip()
 281 {
 282         echo -n "[*] Checking libGeoIP ... "
 283
 284         cat > $TMPDIR/geoiptest.c << EOF
 285 #include <GeoIP.h>
 286 #include <GeoIPCity.h>
 287
 288 void main(void)
 289 {
 290         int dbs[] = {
 291                 GEOIP_CITY_EDITION_REV1,
 292                 GEOIP_CITY_EDITION_REV1_V6,
 293                 GEOIP_COUNTRY_EDITION,
 294                 GEOIP_COUNTRY_EDITION_V6,
 295                 GEOIP_ASNUM_EDITION,
 296                 GEOIP_ASNUM_EDITION_V6,
 297         };
 298         GeoIP *geoip = GeoIP_new(0);
 299 }
 300 EOF
 301
 302         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> config.log 2>&1
 303         if [ ! -x $TMPDIR/geoiptest ] ; then
 304                 echo "[NO]"
 305                 MISSING_DEFS=1
 306         else
 307                 echo "[YES]"
 308                 HAVE_LIBGEOIP=1
 309         fi
 310 }
 311
 312 check_libnf_ct()
 313 {
 314         echo -n "[*] Checking libnetfilter-conntrack ... "
 315
 316         cat > $TMPDIR/nfcttest.c << EOF
 317 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 318 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 319 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 320 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 321
 322 void main(void)
 323 {
 324         struct nf_conntrack *ct;
 325         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 326 }
 327 EOF
 328
 329         $CC -o $TMPDIR/nfcttest $TMPDIR/nfcttest.c -lnetfilter_conntrack >> config.log 2>&1
 330         if [ ! -x $TMPDIR/nfcttest ] ; then
 331                 echo "[NO]"
 332                 MISSING_DEFS=1
 333                 tools_remove "flowtop"
 334         else
 335                 echo "[YES]"
 336         fi
 337 }
 338
 339 check_zlib()
 340 {
 341         echo -n "[*] Checking libz ... "
 342
 343         cat > $TMPDIR/ztest.c << EOF
 344 #include "zlib.h"
 345
 346 void main(void)
 347 {
 348         gzFile fp = gzopen("foo.gz", "rb");
 349 }
 350 EOF
 351
 352         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 353         if [ ! -x $TMPDIR/ztest ] ; then
 354                 echo "[NO]"
 355                 echo "CONFIG_LIBZ=0" >> Config
 356                 MISSING_DEFS=1
 357                 tools_remove "astraceroute"
 358                 tools_remove "flowtop"
 359         else
 360                 echo "[YES]"
 361                 echo "CONFIG_LIBZ=1" >> Config
 362                 HAVE_LIBZ=1
 363         fi
 364 }
 365
 366 check_urcu()
 367 {
 368         echo -n "[*] Checking liburcu ... "
 369
 370         cat > $TMPDIR/urcutest.c << EOF
 371 #include <urcu.h>
 372
 373 void main(void)
 374 {
 375         rcu_init();
 376         synchronize_rcu();
 377 }
 378 EOF
 379
 380         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 381         if [ ! -x $TMPDIR/urcutest ] ; then
 382                 echo "[NO]"
 383                 MISSING_DEFS=1
 384                 tools_remove "flowtop"
 385         else
 386                 echo "[YES]"
 387         fi
 388 }
 389
 390 check_libpcap()
 391 {
 392         echo -n "[*] Checking libpcap ... "
 393
 394         cat > $TMPDIR/pcaptest.c << EOF
 395 #include <pcap.h>
 396
 397 void main(void)
 398 {
 399         struct bpf_program bpf;
 400         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 401 }
 402 EOF
 403
 404         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> config.log 2>&1
 405         if [ ! -x $TMPDIR/pcaptest ] ; then
 406                 echo "[NO]"
 407                 echo "CONFIG_LIBPCAP=0" >> Config
 408                 MISSING_DEFS=1
 409                 tools_remove "mausezahn"
 410         else
 411                 echo "[YES]"
 412                 echo "CONFIG_LIBPCAP=1" >> Config
 413                 HAVE_LIBPCAP=1
 414         fi
 415 }
 416
 417 check_hwtstamp()
 418 {
 419         echo -n "[*] Checking hw timestamping ... "
 420
 421         cat > $TMPDIR/hwtstest.c << EOF
 422 #include <string.h>
 423 #include <arpa/inet.h>
 424 #include <sys/ioctl.h>
 425 #include <sys/types.h>
 426 #include <sys/socket.h>
 427 #include <linux/sockios.h>
 428 #include <linux/net_tstamp.h>
 429 #include <linux/if_packet.h>
 430 #include <linux/if_ether.h>
 431 #include <linux/if.h>
 432
 433 void main(void)
 434 {
 435         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 436         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 437         struct hwtstamp_config hwconfig;
 438         struct ifreq ifr;
 439
 440         memset(&hwconfig, 0, sizeof(hwconfig));
 441         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 442         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 443
 444         memset(&ifr, 0, sizeof(ifr));
 445         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 446         ifr.ifr_data = &hwconfig;
 447
 448         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 449         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 450                    sizeof(timesource));
 451 }
 452 EOF
 453
 454         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 455         if [ ! -x $TMPDIR/hwtstest ] ; then
 456                 echo "[NO]"
 457                 echo "CONFIG_HWTSTAMP=0" >> Config
 458         else
 459                 echo "[YES]"
 460                 echo "CONFIG_HWTSTAMP=1" >> Config
 461                 HAVE_HWTSTAMP=1
 462         fi
 463 }
 464
 465 check_libcli()
 466 {
 467         echo -n "[*] Checking libcli ... "
 468
 469         cat > $TMPDIR/clitest.c << EOF
 470 #include <sys/time.h>
 471 #include <libcli.h>
 472
 473 void main(void)
 474 {
 475         struct cli_def *cli = cli_init();
 476 }
 477 EOF
 478
 479         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 480         if [ ! -x $TMPDIR/clitest ] ; then
 481                 echo "[NO]"
 482                 MISSING_DEFS=1
 483                 tools_remove "mausezahn"
 484         else
 485                 echo "[YES]"
 486         fi
 487 }
 488
 489 check_libnet()
 490 {
 491         echo -n "[*] Checking libnet ... "
 492
 493         cat > $TMPDIR/nettest.c << EOF
 494 #include <libnet.h>
 495
 496 void main(void)
 497 {
 498         char err_buf[LIBNET_ERRBUF_SIZE];
 499         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 500 }
 501 EOF
 502
 503         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 504         if [ ! -x $TMPDIR/nettest ] ; then
 505                 echo "[NO]"
 506                 MISSING_DEFS=1
 507                 tools_remove "mausezahn"
 508         else
 509                 echo "[YES]"
 510         fi
 511 }
 512
 513 gen_version_appendix()
 514 {
 515         local _appendix=""
 516
 517         git rev-parse > /dev/null 2>&1
 518         if [ "$?" == "0" ] ; then
 519                 if [ ! "`git describe --always`" == \
 520                        "`git describe --abbrev=0 --tags`" ] ; then
 521                         _appendix="+"
 522                 fi
 523         fi
 524
 525         echo "CONFIG_RC=\"$_appendix\"" >> Config
 526 }
 527
 528 gen_config_hdr()
 529 {
 530         local _version=""
 531         local _have_libpcap=""
 532         local _have_libgeoip=""
 533         local _have_libz=""
 534         local _have_hwts=""
 535         local _have_tp3=""
 536
 537         echo "[*] Generating config.h ..."
 538
 539         git rev-parse > /dev/null 2>&1
 540         if [ "$?" == "0" ] ; then
 541                 _version="`git describe --always`"
 542         else
 543                 _version="(none)"
 544         fi
 545
 546         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 547                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 548         fi
 549
 550         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 551                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 552         fi
 553
 554         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 555                 _have_libgeoip="#define HAVE_GEOIP 1"
 556         fi
 557
 558         if [ "$HAVE_LIBZ" == "1" ] ; then
 559                 _have_libz="#define HAVE_LIBZ 1"
 560         fi
 561
 562         if [ "$HAVE_TPACKET3" == "1" ] ; then
 563                 _have_tp3="#define HAVE_TPACKET3 1"
 564         fi
 565
 566         cat > config.h << EOF
 567 #ifndef CONFIG_H
 568 #define CONFIG_H
 569 #define FILE_CLIENTS ".curvetun/clients"
 570 #define FILE_SERVERS ".curvetun/servers"
 571 #define FILE_PRIVKEY ".curvetun/priv.key"
 572 #define FILE_PUBKEY ".curvetun/pub.key"
 573 #define FILE_USERNAM ".curvetun/username"
 574 #define GITVERSION "$_version"
 575 $_have_libpcap
 576 $_have_libgeoip
 577 $_have_libz
 578 $_have_hwts
 579 $_have_tp3
 580 #endif /* CONFIG_H */
 581 EOF
 582 }
 583
 584 rm -f config.log
 585
 586 echo "# This file is autogenerated by the configure script" > Config
 587 check_pkg_config
 588
 589 if [ "$MISSING_PKG_CONFIG" == "1" ] ; then
 590         echo "[!] pkg-config is not installed on your system or not in the PATH"
 591         exit 1
 592 fi
 593
 594 check_ccache
 595 check_flex
 596 check_bison
 597 check_nacl
 598 check_libnl
 599 check_tpacket_v2
 600 check_tpacket_v3
 601 check_libnf_ct
 602 check_ncurses
 603 check_libgeoip
 604 check_zlib
 605 check_urcu
 606 check_libpcap
 607 check_hwtstamp
 608 check_libcli
 609 check_libnet
 610
 611 gen_config_hdr
 612 gen_version_appendix
 613
 614 if [ "$MISSING_DEFS" == "1" ] ; then
 615         echo "[!] Some libraries or header definitions are missing or too old. Thus"
 616         echo "    certain tools will not be built (see below). Please refer to the"
 617         echo "    INSTALL file for the libraries needed to build the complete"
 618         echo "    netsniff-ng toolkit."
 619 fi
 620
 621 if [ "$MISSING_NACL" == "1" ] ; then
 622         echo "[!] The NaCl crypto library is currently not present on your system or"
 623         echo "    could not be found. Either install it from your distro or build it"
 624         echo "    manually using 'make nacl' and make sure that the NACL_INC_DIR and"
 625         echo "    NACL_LIB_DIR environment variables are set appropriately."
 626 fi
 627
 628 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 629         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 630         echo "[*] The following tools will be built: $TOOLS"
 631 else
 632         echo "[*] Looks good! All tools will be built!"
 633 fi
 634
 635 if [ -s config.log ] ; then
 636         echo "[!] There were errors in the configure script. Please check the file"
 637         echo "    config.log for details."
 638 fi
 639
 640 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1"  ] ; then
 641         echo "CONFIG_GEOIP=1" >> Config
 642 else
 643         echo "CONFIG_GEOIP=0" >> Config
 644 fi
 645
 646 echo "CONFIG_TOOLS=$TOOLS" >> Config
 647 echo "CONFIG_OK=1" >> Config
 648
 649 exit 0