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
  20 [ -z $CC ] && CC=cc
  21
  22 TMPDIR=$(mktemp -d config.XXXXXX)
  23 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
  24
  25 tools_remove()
  26 {
  27         local _tools=$TOOLS
  28         local _todel=$1
  29         TOOLS=""
  30         for tool in $_tools ; do
  31                 case "$tool" in
  32                 $_todel)
  33                         case $_todel in
  34                         $TOOLS_NOBUILD) ;;
  35                         *) TOOLS_NOBUILD="$TOOLS_NOBUILD $tool" ;;
  36                         esac ;;
  37                 *) TOOLS="$TOOLS $tool" ;;
  38                 esac
  39         done
  40
  41         TOOLS=${TOOLS# }
  42         TOOLS_NOBUILD=${TOOLS_NOBUILD# }
  43 }
  44
  45 check_pkg_config()
  46 {
  47         echo -n "[*] Checking pkg-config ... "
  48
  49         if [ "x$(which pkg-config 2>> config.log)" == "x" ] ; then
  50                 echo "[NO]"
  51                 MISSING_PKG_CONFIG=1
  52         else
  53                 echo "[YES]"
  54         fi
  55 }
  56
  57 check_ccache()
  58 {
  59         echo -n "[*] Checking ccache ... "
  60
  61         if [ "x$(which ccache 2>> config.log)" == "x" ] ; then
  62                 echo "[NO]"
  63                 echo "CONFIG_CCACHE=" >> Config
  64         else
  65                 echo "[YES]"
  66                 echo "CONFIG_CCACHE=ccache" >> Config
  67         fi
  68 }
  69
  70 check_flex()
  71 {
  72         echo -n "[*] Checking flex ... "
  73
  74         if [ "x$(which flex 2>> config.log)" == "x" ] ; then
  75                 echo "[NO]"
  76                 MISSING_DEFS=1
  77                 tools_remove "trafgen"
  78                 tools_remove "bpfc"
  79         else
  80                 echo "[YES]"
  81         fi
  82 }
  83
  84 check_bison()
  85 {
  86         echo -n "[*] Checking bison ... "
  87
  88         if [ "x$(which bison 2>> config.log)" == "x" ] ; then
  89                 echo "[NO]"
  90                 MISSING_DEFS=1
  91                 tools_remove "trafgen"
  92                 tools_remove "bpfc"
  93         else
  94                 echo "[YES]"
  95         fi
  96 }
  97
  98 check_nacl()
  99 {
 100         echo -n "[*] Checking nacl ... "
 101
 102         cat > $TMPDIR/nacltest.c << EOF
 103 #include "crypto_hash_sha512.h"
 104 #include "crypto_verify_32.h"
 105 #include "crypto_hash_sha512.h"
 106 #include "crypto_box_curve25519xsalsa20poly1305.h"
 107 #include "crypto_scalarmult_curve25519.h"
 108 #include "crypto_auth_hmacsha512256.h"
 109
 110 int main(void) { }
 111 EOF
 112
 113         if [ -z $NACL_INC_DIR ] ; then
 114                 NACL_INC_DIR="/usr/include/nacl"
 115         fi
 116
 117         if [ -z $NACL_LIB_DIR ] ; then
 118                 NACL_LIB_DIR="/usr/lib"
 119         fi
 120
 121         LDFLAGS="-L $NACL_LIB_DIR"
 122         CFLAGS="-I $NACL_INC_DIR"
 123
 124         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> config.log 2>&1
 125         if [ ! -x $TMPDIR/nacltest ] ; then
 126                 echo "[NO]"
 127                 MISSING_NACL=1
 128                 tools_remove "curvetun"
 129         else
 130                 echo "[YES]"
 131                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
 132                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
 133         fi
 134 }
 135
 136 check_libnl()
 137 {
 138         echo -n "[*] Checking libnl ... "
 139
 140         cat > $TMPDIR/libnltest.c << EOF
 141 #include <libnl3/netlink/genl/genl.h>
 142 #include <libnl3/netlink/genl/family.h>
 143 #include <libnl3/netlink/genl/ctrl.h>
 144 #include <libnl3/netlink/msg.h>
 145 #include <libnl3/netlink/attr.h>
 146 #include <libnl3/netlink/version.h>
 147
 148 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
 149 # error incompatible libnl version
 150 #endif
 151
 152 void main(void)
 153 {
 154         struct nl_sock *sock = nl_socket_alloc();
 155         struct nl_cache *nl_cache;
 156         int ret = genl_connect(sock);
 157
 158         ret = genl_ctrl_alloc_cache(sock, &nl_cache);
 159 }
 160 EOF
 161
 162         $CC \
 163                 $(pkg-config --cflags libnl-3.0 2>> config.log) \
 164                 $(pkg-config --cflags libnl-genl-3.0 2>> config.log) \
 165                 -o $TMPDIR/libnltest \
 166                 $TMPDIR/libnltest.c \
 167                 $(pkg-config --libs libnl-3.0 2>> config.log) \
 168                 $(pkg-config --libs libnl-genl-3.0 2>> config.log) \
 169                         >> config.log 2>&1
 170         if [ ! -x $TMPDIR/libnltest ] ; then
 171                 echo "[NO]"
 172                 MISSING_DEFS=1
 173                 tools_remove "trafgen"
 174                 tools_remove "netsniff-ng"
 175         else
 176                 echo "[YES]"
 177         fi
 178 }
 179
 180 check_tpacket_v3()
 181 {
 182         echo -n "[*] Checking tpacket_v3 ... "
 183
 184         cat > $TMPDIR/tpacketv3test.c << EOF
 185 #include <stdio.h>
 186 #include <linux/if_packet.h>
 187
 188 void main(void)
 189 {
 190         struct tpacket3_hdr *hdr;
 191         int foo[] = {
 192                 TP_STATUS_BLK_TMO,
 193         };
 194
 195         printf("%d\n", hdr->tp_status);
 196 }
 197 EOF
 198
 199         $CC -o $TMPDIR/tpacketv3test $TMPDIR/tpacketv3test.c >> config.log 2>&1
 200         if [ ! -x $TMPDIR/tpacketv3test ] ; then
 201                 echo "[NO]"
 202                 MISSING_DEFS=1
 203                 tools_remove "netsniff-ng"
 204         else
 205                 echo "[YES]"
 206         fi
 207 }
 208
 209 check_tpacket_v2()
 210 {
 211         echo -n "[*] Checking tpacket_v2 ... "
 212
 213         cat > $TMPDIR/tpacketv2test.c << EOF
 214 #include <stdio.h>
 215 #include <linux/if_packet.h>
 216
 217 void main(void)
 218 {
 219         struct tpacket2_hdr *hdr;
 220         int foo[] = {
 221                 TP_STATUS_AVAILABLE,
 222                 TP_STATUS_SEND_REQUEST,
 223                 TP_STATUS_SENDING,
 224                 TP_STATUS_KERNEL,
 225                 TP_STATUS_USER,
 226         };
 227
 228         printf("%d\n", hdr->tp_status);
 229 }
 230 EOF
 231
 232         $CC -o $TMPDIR/tpacketv2test $TMPDIR/tpacketv2test.c >> config.log 2>&1
 233         if [ ! -x $TMPDIR/tpacketv2test ] ; then
 234                 echo "[NO]"
 235                 MISSING_DEFS=1
 236                 tools_remove "netsniff-ng"
 237                 tools_remove "trafgen"
 238         else
 239                 echo "[YES]"
 240         fi
 241 }
 242
 243
 244 check_ncurses()
 245 {
 246         echo -n "[*] Checking ncurses ... "
 247
 248         cat > $TMPDIR/ncursestest.c << EOF
 249 #include <curses.h>
 250
 251 void main(void)
 252 {
 253         WINDOW *screen = initscr();
 254 }
 255 EOF
 256
 257         $CC \
 258                 $(pkg-config --cflags ncurses 2>> config.log) \
 259                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 260                 $(pkg-config --libs ncurses 2>> config.log) \
 261                         >> config.log 2>&1
 262         if [ ! -x $TMPDIR/ncursestest ] ; then
 263                 echo "[NO]"
 264                 MISSING_DEFS=1
 265                 tools_remove "flowtop"
 266                 tools_remove "ifpps"
 267         else
 268                 echo "[YES]"
 269         fi
 270 }
 271
 272 check_libgeoip()
 273 {
 274         echo -n "[*] Checking libGeoIP ... "
 275
 276         cat > $TMPDIR/geoiptest.c << EOF
 277 #include <GeoIP.h>
 278 #include <GeoIPCity.h>
 279
 280 void main(void)
 281 {
 282         int dbs[] = {
 283                 GEOIP_CITY_EDITION_REV1,
 284                 GEOIP_CITY_EDITION_REV1_V6,
 285                 GEOIP_COUNTRY_EDITION,
 286                 GEOIP_COUNTRY_EDITION_V6,
 287                 GEOIP_ASNUM_EDITION,
 288                 GEOIP_ASNUM_EDITION_V6,
 289         };
 290         GeoIP *geoip = GeoIP_new(0);
 291 }
 292 EOF
 293
 294         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> config.log 2>&1
 295         if [ ! -x $TMPDIR/geoiptest ] ; then
 296                 echo "[NO]"
 297                 echo "CONFIG_LIBGEOIP=0" >> Config
 298                 MISSING_DEFS=1
 299                 tools_remove "astraceroute"
 300                 tools_remove "flowtop"
 301         else
 302                 echo "[YES]"
 303                 echo "CONFIG_LIBGEOIP=1" >> Config
 304                 HAVE_LIBGEOIP=1
 305         fi
 306 }
 307
 308 check_libnf_ct()
 309 {
 310         echo -n "[*] Checking libnetfilter-conntrack ... "
 311
 312         cat > $TMPDIR/nfcttest.c << EOF
 313 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 314 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 315 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 316 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 317
 318 void main(void)
 319 {
 320         struct nf_conntrack *ct;
 321         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 322 }
 323 EOF
 324
 325         $CC -o $TMPDIR/nfcttest $TMPDIR/nfcttest.c -lnetfilter_conntrack >> config.log 2>&1
 326         if [ ! -x $TMPDIR/nfcttest ] ; then
 327                 echo "[NO]"
 328                 MISSING_DEFS=1
 329                 tools_remove "flowtop"
 330         else
 331                 echo "[YES]"
 332         fi
 333 }
 334
 335 check_zlib()
 336 {
 337         echo -n "[*] Checking libz ... "
 338
 339         cat > $TMPDIR/ztest.c << EOF
 340 #include "zlib.h"
 341
 342 void main(void)
 343 {
 344         gzFile fp = gzopen("foo.gz", "rb");
 345 }
 346 EOF
 347
 348         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 349         if [ ! -x $TMPDIR/ztest ] ; then
 350                 echo "[NO]"
 351                 echo "CONFIG_LIBZ=0" >> Config
 352                 MISSING_DEFS=1
 353                 tools_remove "astraceroute"
 354                 tools_remove "flowtop"
 355         else
 356                 echo "[YES]"
 357                 echo "CONFIG_LIBZ=1" >> Config
 358                 HAVE_LIBZ=1
 359         fi
 360 }
 361
 362 check_urcu()
 363 {
 364         echo -n "[*] Checking liburcu ... "
 365
 366         cat > $TMPDIR/urcutest.c << EOF
 367 #include <urcu.h>
 368
 369 void main(void)
 370 {
 371         rcu_init();
 372         synchronize_rcu();
 373 }
 374 EOF
 375
 376         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 377         if [ ! -x $TMPDIR/urcutest ] ; then
 378                 echo "[NO]"
 379                 MISSING_DEFS=1
 380                 tools_remove "flowtop"
 381         else
 382                 echo "[YES]"
 383         fi
 384 }
 385
 386 check_libpcap()
 387 {
 388         echo -n "[*] Checking libpcap ... "
 389
 390         cat > $TMPDIR/pcaptest.c << EOF
 391 #include <pcap.h>
 392
 393 void main(void)
 394 {
 395         struct bpf_program bpf;
 396         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 397 }
 398 EOF
 399
 400         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> config.log 2>&1
 401         if [ ! -x $TMPDIR/pcaptest ] ; then
 402                 echo "[NO]"
 403                 echo "CONFIG_LIBPCAP=0" >> Config
 404                 MISSING_DEFS=1
 405                 tools_remove "mausezahn"
 406         else
 407                 echo "[YES]"
 408                 echo "CONFIG_LIBPCAP=1" >> Config
 409                 HAVE_LIBPCAP=1
 410         fi
 411 }
 412
 413 check_hwtstamp()
 414 {
 415         echo -n "[*] Checking hw timestamping ... "
 416
 417         cat > $TMPDIR/hwtstest.c << EOF
 418 #include <string.h>
 419 #include <arpa/inet.h>
 420 #include <sys/ioctl.h>
 421 #include <sys/types.h>
 422 #include <sys/socket.h>
 423 #include <linux/sockios.h>
 424 #include <linux/net_tstamp.h>
 425 #include <linux/if_packet.h>
 426 #include <linux/if_ether.h>
 427 #include <linux/if.h>
 428
 429 void main(void)
 430 {
 431         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 432         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 433         struct hwtstamp_config hwconfig;
 434         struct ifreq ifr;
 435
 436         memset(&hwconfig, 0, sizeof(hwconfig));
 437         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 438         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 439
 440         memset(&ifr, 0, sizeof(ifr));
 441         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 442         ifr.ifr_data = &hwconfig;
 443
 444         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 445         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 446                    sizeof(timesource));
 447 }
 448 EOF
 449
 450         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 451         if [ ! -x $TMPDIR/hwtstest ] ; then
 452                 echo "[NO]"
 453                 echo "CONFIG_HWTSTAMP=0" >> Config
 454         else
 455                 echo "[YES]"
 456                 echo "CONFIG_HWTSTAMP=1" >> Config
 457                 HAVE_HWTSTAMP=1
 458         fi
 459 }
 460
 461 check_libcli()
 462 {
 463         echo -n "[*] Checking libcli ... "
 464
 465         cat > $TMPDIR/clitest.c << EOF
 466 #include <libcli.h>
 467
 468 void main(void)
 469 {
 470         struct cli_def *cli = cli_init();
 471 }
 472 EOF
 473
 474         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 475         if [ ! -x $TMPDIR/clitest ] ; then
 476                 echo "[NO]"
 477                 MISSING_DEFS=1
 478                 tools_remove "mausezahn"
 479         else
 480                 echo "[YES]"
 481         fi
 482 }
 483
 484 check_libnet()
 485 {
 486         echo -n "[*] Checking libnet ... "
 487
 488         cat > $TMPDIR/nettest.c << EOF
 489 #include <libnet.h>
 490
 491 void main(void)
 492 {
 493         char err_buf[LIBNET_ERRBUF_SIZE];
 494         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 495 }
 496 EOF
 497
 498         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 499         if [ ! -x $TMPDIR/nettest ] ; then
 500                 echo "[NO]"
 501                 MISSING_DEFS=1
 502                 tools_remove "mausezahn"
 503         else
 504                 echo "[YES]"
 505         fi
 506 }
 507
 508 gen_version_appendix()
 509 {
 510         local _appendix=""
 511
 512         git rev-parse > /dev/null 2>&1
 513         if [ "$?" == "0" ] ; then
 514                 if [ ! "`git describe --always`" == \
 515                        "`git describe --abbrev=0 --tags`" ] ; then
 516                         _appendix="+"
 517                 fi
 518         fi
 519
 520         echo "CONFIG_RC=\"$_appendix\"" >> Config
 521 }
 522
 523 gen_config_hdr()
 524 {
 525         local _version=""
 526         local _have_libpcap=""
 527         local _have_libgeoip=""
 528         local _have_libz=""
 529         local _have_hwts=""
 530
 531         echo "[*] Generating config.h ... "
 532
 533         git rev-parse > /dev/null 2>&1
 534         if [ "$?" == "0" ] ; then
 535                 _version="`git describe --always`"
 536         else
 537                 _version="(none)"
 538         fi
 539
 540         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 541                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 542         fi
 543
 544         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 545                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 546         fi
 547
 548         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 549                 _have_libgeoip="#define HAVE_GEOIP 1"
 550         fi
 551
 552         if [ "$HAVE_LIBZ" == "1" ] ; then
 553                 _have_libz="#define HAVE_LIBZ 1"
 554         fi
 555
 556         cat > config.h << EOF
 557 #ifndef CONFIG_H
 558 #define CONFIG_H
 559 #define FILE_CLIENTS ".curvetun/clients"
 560 #define FILE_SERVERS ".curvetun/servers"
 561 #define FILE_PRIVKEY ".curvetun/priv.key"
 562 #define FILE_PUBKEY ".curvetun/pub.key"
 563 #define FILE_USERNAM ".curvetun/username"
 564 #define GITVERSION "$_version"
 565 $_have_libpcap
 566 $_have_libgeoip
 567 $_have_libz
 568 $_have_hwts
 569 #endif /* CONFIG_H */
 570 EOF
 571 }
 572
 573 rm -f config.log
 574
 575 echo "# This file is autogenerated by the configure script" > Config
 576 check_pkg_config
 577
 578 if [ "$MISSING_PKG_CONFIG" == "1" ] ; then
 579         echo "[!] pkg-config is not installed on your system or not in the PATH"
 580         exit 1
 581 fi
 582
 583 check_ccache
 584 check_flex
 585 check_bison
 586 check_nacl
 587 check_libnl
 588 check_tpacket_v2
 589 check_tpacket_v3
 590 check_libnf_ct
 591 check_ncurses
 592 check_libgeoip
 593 check_zlib
 594 check_urcu
 595 check_libpcap
 596 check_hwtstamp
 597 check_libcli
 598 check_libnet
 599
 600 gen_config_hdr
 601 gen_version_appendix
 602
 603 if [ "$MISSING_DEFS" == "1" ] ; then
 604         echo "[!] Some libraries or header definitions are missing or too old."
 605         echo "    Thus certain tools will not be built (see below). Please"
 606         echo "    refer to the INSTALL file for the libraries needed to build"
 607         echo "    the complete netsniff-ng toolkit."
 608 fi
 609
 610 if [ "$MISSING_NACL" == "1" ] ; then
 611         echo "[!] The NaCl crypto library is currently not present on your"
 612         echo "    system or could not be found. Either install it from your"
 613         echo "    distro or build it manually using 'make nacl' and make sure"
 614         echo "    that the NACL_INC_DIR and NACL_LIB_DIR variables are set"
 615         echo "    appropriately."
 616 fi
 617
 618 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 619         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 620         echo "[*] The following tools will be built: $TOOLS"
 621 else
 622         echo "[*] Looks good! All tools will be built!"
 623 fi
 624
 625 if [ -s config.log ] ; then
 626         echo "[!] There were errors in the configure script. Please see"
 627         echo "    the file config.log for details."
 628 fi
 629
 630 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1"  ] ; then
 631         echo "CONFIG_GEOIP=1" >> Config
 632 else
 633         echo "CONFIG_GEOIP=0" >> Config
 634 fi
 635
 636 echo "CONFIG_TOOLS=$TOOLS" >> Config
 637 echo "CONFIG_OK=1" >> Config
 638
 639 exit 0