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                 echo "CONFIG_LIBGEOIP=0" >> Config
 306                 MISSING_DEFS=1
 307                 tools_remove "astraceroute"
 308                 tools_remove "flowtop"
 309         else
 310                 echo "[YES]"
 311                 echo "CONFIG_LIBGEOIP=1" >> Config
 312                 HAVE_LIBGEOIP=1
 313         fi
 314 }
 315
 316 check_libnf_ct()
 317 {
 318         echo -n "[*] Checking libnetfilter-conntrack ... "
 319
 320         cat > $TMPDIR/nfcttest.c << EOF
 321 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 322 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 323 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 324 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 325
 326 void main(void)
 327 {
 328         struct nf_conntrack *ct;
 329         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 330 }
 331 EOF
 332
 333         $CC -o $TMPDIR/nfcttest $TMPDIR/nfcttest.c -lnetfilter_conntrack >> config.log 2>&1
 334         if [ ! -x $TMPDIR/nfcttest ] ; then
 335                 echo "[NO]"
 336                 MISSING_DEFS=1
 337                 tools_remove "flowtop"
 338         else
 339                 echo "[YES]"
 340         fi
 341 }
 342
 343 check_zlib()
 344 {
 345         echo -n "[*] Checking libz ... "
 346
 347         cat > $TMPDIR/ztest.c << EOF
 348 #include "zlib.h"
 349
 350 void main(void)
 351 {
 352         gzFile fp = gzopen("foo.gz", "rb");
 353 }
 354 EOF
 355
 356         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 357         if [ ! -x $TMPDIR/ztest ] ; then
 358                 echo "[NO]"
 359                 echo "CONFIG_LIBZ=0" >> Config
 360                 MISSING_DEFS=1
 361                 tools_remove "astraceroute"
 362                 tools_remove "flowtop"
 363         else
 364                 echo "[YES]"
 365                 echo "CONFIG_LIBZ=1" >> Config
 366                 HAVE_LIBZ=1
 367         fi
 368 }
 369
 370 check_urcu()
 371 {
 372         echo -n "[*] Checking liburcu ... "
 373
 374         cat > $TMPDIR/urcutest.c << EOF
 375 #include <urcu.h>
 376
 377 void main(void)
 378 {
 379         rcu_init();
 380         synchronize_rcu();
 381 }
 382 EOF
 383
 384         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 385         if [ ! -x $TMPDIR/urcutest ] ; then
 386                 echo "[NO]"
 387                 MISSING_DEFS=1
 388                 tools_remove "flowtop"
 389         else
 390                 echo "[YES]"
 391         fi
 392 }
 393
 394 check_libpcap()
 395 {
 396         echo -n "[*] Checking libpcap ... "
 397
 398         cat > $TMPDIR/pcaptest.c << EOF
 399 #include <pcap.h>
 400
 401 void main(void)
 402 {
 403         struct bpf_program bpf;
 404         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 405 }
 406 EOF
 407
 408         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> config.log 2>&1
 409         if [ ! -x $TMPDIR/pcaptest ] ; then
 410                 echo "[NO]"
 411                 echo "CONFIG_LIBPCAP=0" >> Config
 412                 MISSING_DEFS=1
 413                 tools_remove "mausezahn"
 414         else
 415                 echo "[YES]"
 416                 echo "CONFIG_LIBPCAP=1" >> Config
 417                 HAVE_LIBPCAP=1
 418         fi
 419 }
 420
 421 check_hwtstamp()
 422 {
 423         echo -n "[*] Checking hw timestamping ... "
 424
 425         cat > $TMPDIR/hwtstest.c << EOF
 426 #include <string.h>
 427 #include <arpa/inet.h>
 428 #include <sys/ioctl.h>
 429 #include <sys/types.h>
 430 #include <sys/socket.h>
 431 #include <linux/sockios.h>
 432 #include <linux/net_tstamp.h>
 433 #include <linux/if_packet.h>
 434 #include <linux/if_ether.h>
 435 #include <linux/if.h>
 436
 437 void main(void)
 438 {
 439         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 440         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 441         struct hwtstamp_config hwconfig;
 442         struct ifreq ifr;
 443
 444         memset(&hwconfig, 0, sizeof(hwconfig));
 445         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 446         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 447
 448         memset(&ifr, 0, sizeof(ifr));
 449         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 450         ifr.ifr_data = &hwconfig;
 451
 452         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 453         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 454                    sizeof(timesource));
 455 }
 456 EOF
 457
 458         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 459         if [ ! -x $TMPDIR/hwtstest ] ; then
 460                 echo "[NO]"
 461                 echo "CONFIG_HWTSTAMP=0" >> Config
 462         else
 463                 echo "[YES]"
 464                 echo "CONFIG_HWTSTAMP=1" >> Config
 465                 HAVE_HWTSTAMP=1
 466         fi
 467 }
 468
 469 check_libcli()
 470 {
 471         echo -n "[*] Checking libcli ... "
 472
 473         cat > $TMPDIR/clitest.c << EOF
 474 #include <sys/time.h>
 475 #include <libcli.h>
 476
 477 void main(void)
 478 {
 479         struct cli_def *cli = cli_init();
 480 }
 481 EOF
 482
 483         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 484         if [ ! -x $TMPDIR/clitest ] ; then
 485                 echo "[NO]"
 486                 MISSING_DEFS=1
 487                 tools_remove "mausezahn"
 488         else
 489                 echo "[YES]"
 490         fi
 491 }
 492
 493 check_libnet()
 494 {
 495         echo -n "[*] Checking libnet ... "
 496
 497         cat > $TMPDIR/nettest.c << EOF
 498 #include <libnet.h>
 499
 500 void main(void)
 501 {
 502         char err_buf[LIBNET_ERRBUF_SIZE];
 503         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 504 }
 505 EOF
 506
 507         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 508         if [ ! -x $TMPDIR/nettest ] ; then
 509                 echo "[NO]"
 510                 MISSING_DEFS=1
 511                 tools_remove "mausezahn"
 512         else
 513                 echo "[YES]"
 514         fi
 515 }
 516
 517 gen_version_appendix()
 518 {
 519         local _appendix=""
 520
 521         git rev-parse > /dev/null 2>&1
 522         if [ "$?" == "0" ] ; then
 523                 if [ ! "`git describe --always`" == \
 524                        "`git describe --abbrev=0 --tags`" ] ; then
 525                         _appendix="+"
 526                 fi
 527         fi
 528
 529         echo "CONFIG_RC=\"$_appendix\"" >> Config
 530 }
 531
 532 gen_config_hdr()
 533 {
 534         local _version=""
 535         local _have_libpcap=""
 536         local _have_libgeoip=""
 537         local _have_libz=""
 538         local _have_hwts=""
 539         local _have_tp3=""
 540
 541         echo "[*] Generating config.h ..."
 542
 543         git rev-parse > /dev/null 2>&1
 544         if [ "$?" == "0" ] ; then
 545                 _version="`git describe --always`"
 546         else
 547                 _version="(none)"
 548         fi
 549
 550         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 551                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 552         fi
 553
 554         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 555                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 556         fi
 557
 558         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 559                 _have_libgeoip="#define HAVE_GEOIP 1"
 560         fi
 561
 562         if [ "$HAVE_LIBZ" == "1" ] ; then
 563                 _have_libz="#define HAVE_LIBZ 1"
 564         fi
 565
 566         if [ "$HAVE_TPACKET3" == "1" ] ; then
 567                 _have_tp3="#define HAVE_TPACKET3 1"
 568         fi
 569
 570         cat > config.h << EOF
 571 #ifndef CONFIG_H
 572 #define CONFIG_H
 573 #define FILE_CLIENTS ".curvetun/clients"
 574 #define FILE_SERVERS ".curvetun/servers"
 575 #define FILE_PRIVKEY ".curvetun/priv.key"
 576 #define FILE_PUBKEY ".curvetun/pub.key"
 577 #define FILE_USERNAM ".curvetun/username"
 578 #define GITVERSION "$_version"
 579 $_have_libpcap
 580 $_have_libgeoip
 581 $_have_libz
 582 $_have_hwts
 583 $_have_tp3
 584 #endif /* CONFIG_H */
 585 EOF
 586 }
 587
 588 rm -f config.log
 589
 590 echo "# This file is autogenerated by the configure script" > Config
 591 check_pkg_config
 592
 593 if [ "$MISSING_PKG_CONFIG" == "1" ] ; then
 594         echo "[!] pkg-config is not installed on your system or not in the PATH"
 595         exit 1
 596 fi
 597
 598 check_ccache
 599 check_flex
 600 check_bison
 601 check_nacl
 602 check_libnl
 603 check_tpacket_v2
 604 check_tpacket_v3
 605 check_libnf_ct
 606 check_ncurses
 607 check_libgeoip
 608 check_zlib
 609 check_urcu
 610 check_libpcap
 611 check_hwtstamp
 612 check_libcli
 613 check_libnet
 614
 615 gen_config_hdr
 616 gen_version_appendix
 617
 618 if [ "$MISSING_DEFS" == "1" ] ; then
 619         echo "[!] Some libraries or header definitions are missing or too old. Thus"
 620         echo "    certain tools will not be built (see below). Please refer to the"
 621         echo "    INSTALL file for the libraries needed to build the complete"
 622         echo "    netsniff-ng toolkit."
 623 fi
 624
 625 if [ "$MISSING_NACL" == "1" ] ; then
 626         echo "[!] The NaCl crypto library is currently not present on your system or"
 627         echo "    could not be found. Either install it from your distro or build it"
 628         echo "    manually using 'make nacl' and make sure that the NACL_INC_DIR and"
 629         echo "    NACL_LIB_DIR environment variables are set appropriately."
 630 fi
 631
 632 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 633         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 634         echo "[*] The following tools will be built: $TOOLS"
 635 else
 636         echo "[*] Looks good! All tools will be built!"
 637 fi
 638
 639 if [ -s config.log ] ; then
 640         echo "[!] There were errors in the configure script. Please check the file"
 641         echo "    config.log for details."
 642 fi
 643
 644 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1"  ] ; then
 645         echo "CONFIG_GEOIP=1" >> Config
 646 else
 647         echo "CONFIG_GEOIP=0" >> Config
 648 fi
 649
 650 echo "CONFIG_TOOLS=$TOOLS" >> Config
 651 echo "CONFIG_OK=1" >> Config
 652
 653 exit 0