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 int 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 int 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         else
 210                 echo "[YES]"
 211                 HAVE_TPACKET3=1
 212         fi
 213 }
 214
 215 check_tpacket_v2()
 216 {
 217         echo -n "[*] Checking tpacket_v2 ... "
 218
 219         cat > $TMPDIR/tpacketv2test.c << EOF
 220 #include <stdio.h>
 221 #include <linux/if_packet.h>
 222
 223 int main(void)
 224 {
 225         struct tpacket2_hdr *hdr;
 226         int foo[] = {
 227                 TP_STATUS_AVAILABLE,
 228                 TP_STATUS_SEND_REQUEST,
 229                 TP_STATUS_SENDING,
 230                 TP_STATUS_KERNEL,
 231                 TP_STATUS_USER,
 232         };
 233
 234         printf("%d\n", hdr->tp_status);
 235 }
 236 EOF
 237
 238         $CC -o $TMPDIR/tpacketv2test $TMPDIR/tpacketv2test.c >> config.log 2>&1
 239         if [ ! -x $TMPDIR/tpacketv2test ] ; then
 240                 echo "[NO]"
 241                 MISSING_DEFS=1
 242                 tools_remove "netsniff-ng"
 243                 tools_remove "trafgen"
 244         else
 245                 echo "[YES]"
 246         fi
 247 }
 248
 249
 250 check_ncurses()
 251 {
 252         echo -n "[*] Checking ncurses ... "
 253
 254         cat > $TMPDIR/ncursestest.c << EOF
 255 #include <curses.h>
 256
 257 int main(void)
 258 {
 259         WINDOW *screen = initscr();
 260 }
 261 EOF
 262
 263         $CC \
 264                 $(pkg-config --cflags ncurses 2>> config.log) \
 265                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 266                 $(pkg-config --libs ncurses 2>> config.log \
 267                   || echo '-lncurses' ) \
 268                         >> config.log 2>&1
 269         if [ ! -x $TMPDIR/ncursestest ] ; then
 270                 echo "[NO]"
 271                 MISSING_DEFS=1
 272                 tools_remove "flowtop"
 273                 tools_remove "ifpps"
 274         else
 275                 echo "[YES]"
 276         fi
 277 }
 278
 279 check_libgeoip()
 280 {
 281         echo -n "[*] Checking libGeoIP ... "
 282
 283         cat > $TMPDIR/geoiptest.c << EOF
 284 #include <GeoIP.h>
 285 #include <GeoIPCity.h>
 286
 287 int main(void)
 288 {
 289         int dbs[] = {
 290                 GEOIP_CITY_EDITION_REV1,
 291                 GEOIP_CITY_EDITION_REV1_V6,
 292                 GEOIP_COUNTRY_EDITION,
 293                 GEOIP_COUNTRY_EDITION_V6,
 294                 GEOIP_ASNUM_EDITION,
 295                 GEOIP_ASNUM_EDITION_V6,
 296         };
 297         GeoIP *geoip = GeoIP_new(0);
 298 }
 299 EOF
 300
 301         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> config.log 2>&1
 302         if [ ! -x $TMPDIR/geoiptest ] ; then
 303                 echo "[NO]"
 304                 MISSING_DEFS=1
 305         else
 306                 echo "[YES]"
 307                 HAVE_LIBGEOIP=1
 308         fi
 309 }
 310
 311 check_libnf_ct()
 312 {
 313         echo -n "[*] Checking libnetfilter-conntrack ... "
 314
 315         cat > $TMPDIR/nfcttest.c << EOF
 316 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 317 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 318 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 319 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 320
 321 int main(void)
 322 {
 323         struct nf_conntrack *ct;
 324         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 325 }
 326 EOF
 327
 328         $CC -o $TMPDIR/nfcttest $TMPDIR/nfcttest.c -lnetfilter_conntrack >> config.log 2>&1
 329         if [ ! -x $TMPDIR/nfcttest ] ; then
 330                 echo "[NO]"
 331                 MISSING_DEFS=1
 332                 tools_remove "flowtop"
 333         else
 334                 echo "[YES]"
 335         fi
 336 }
 337
 338 check_zlib()
 339 {
 340         echo -n "[*] Checking libz ... "
 341
 342         cat > $TMPDIR/ztest.c << EOF
 343 #include "zlib.h"
 344
 345 int main(void)
 346 {
 347         gzFile fp = gzopen("foo.gz", "rb");
 348 }
 349 EOF
 350
 351         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 352         if [ ! -x $TMPDIR/ztest ] ; then
 353                 echo "[NO]"
 354                 echo "CONFIG_LIBZ=0" >> Config
 355                 MISSING_DEFS=1
 356                 tools_remove "astraceroute"
 357                 tools_remove "flowtop"
 358         else
 359                 echo "[YES]"
 360                 echo "CONFIG_LIBZ=1" >> Config
 361                 HAVE_LIBZ=1
 362         fi
 363 }
 364
 365 check_urcu()
 366 {
 367         echo -n "[*] Checking liburcu ... "
 368
 369         cat > $TMPDIR/urcutest.c << EOF
 370 #include <urcu.h>
 371
 372 int main(void)
 373 {
 374         rcu_init();
 375         synchronize_rcu();
 376 }
 377 EOF
 378
 379         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 380         if [ ! -x $TMPDIR/urcutest ] ; then
 381                 echo "[NO]"
 382                 MISSING_DEFS=1
 383                 tools_remove "flowtop"
 384         else
 385                 echo "[YES]"
 386         fi
 387 }
 388
 389 check_libpcap()
 390 {
 391         echo -n "[*] Checking libpcap ... "
 392
 393         cat > $TMPDIR/pcaptest.c << EOF
 394 #include <pcap.h>
 395
 396 int main(void)
 397 {
 398         struct bpf_program bpf;
 399         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 400 }
 401 EOF
 402
 403         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> config.log 2>&1
 404         if [ ! -x $TMPDIR/pcaptest ] ; then
 405                 echo "[NO]"
 406                 echo "CONFIG_LIBPCAP=0" >> Config
 407                 MISSING_DEFS=1
 408                 tools_remove "mausezahn"
 409         else
 410                 echo "[YES]"
 411                 echo "CONFIG_LIBPCAP=1" >> Config
 412                 HAVE_LIBPCAP=1
 413         fi
 414 }
 415
 416 check_hwtstamp()
 417 {
 418         echo -n "[*] Checking hw timestamping ... "
 419
 420         cat > $TMPDIR/hwtstest.c << EOF
 421 #include <string.h>
 422 #include <arpa/inet.h>
 423 #include <sys/ioctl.h>
 424 #include <sys/types.h>
 425 #include <sys/socket.h>
 426 #include <linux/sockios.h>
 427 #include <linux/net_tstamp.h>
 428 #include <linux/if_packet.h>
 429 #include <linux/if_ether.h>
 430 #include <linux/if.h>
 431
 432 int main(void)
 433 {
 434         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 435         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 436         struct hwtstamp_config hwconfig;
 437         struct ifreq ifr;
 438
 439         memset(&hwconfig, 0, sizeof(hwconfig));
 440         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 441         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 442
 443         memset(&ifr, 0, sizeof(ifr));
 444         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 445         ifr.ifr_data = &hwconfig;
 446
 447         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 448         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 449                    sizeof(timesource));
 450 }
 451 EOF
 452
 453         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 454         if [ ! -x $TMPDIR/hwtstest ] ; then
 455                 echo "[NO]"
 456                 echo "CONFIG_HWTSTAMP=0" >> Config
 457         else
 458                 echo "[YES]"
 459                 echo "CONFIG_HWTSTAMP=1" >> Config
 460                 HAVE_HWTSTAMP=1
 461         fi
 462 }
 463
 464 check_libcli()
 465 {
 466         echo -n "[*] Checking libcli ... "
 467
 468         cat > $TMPDIR/clitest.c << EOF
 469 #include <sys/time.h>
 470 #include <libcli.h>
 471
 472 int main(void)
 473 {
 474         struct cli_def *cli = cli_init();
 475 }
 476 EOF
 477
 478         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 479         if [ ! -x $TMPDIR/clitest ] ; then
 480                 echo "[NO]"
 481                 MISSING_DEFS=1
 482                 tools_remove "mausezahn"
 483         else
 484                 echo "[YES]"
 485         fi
 486 }
 487
 488 check_libnet()
 489 {
 490         echo -n "[*] Checking libnet ... "
 491
 492         cat > $TMPDIR/nettest.c << EOF
 493 #include <libnet.h>
 494
 495 int main(void)
 496 {
 497         char err_buf[LIBNET_ERRBUF_SIZE];
 498         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 499 }
 500 EOF
 501
 502         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 503         if [ ! -x $TMPDIR/nettest ] ; then
 504                 echo "[NO]"
 505                 MISSING_DEFS=1
 506                 tools_remove "mausezahn"
 507         else
 508                 echo "[YES]"
 509         fi
 510 }
 511
 512 gen_version_appendix()
 513 {
 514         local _appendix=""
 515
 516         git rev-parse > /dev/null 2>&1
 517         if [ "$?" == "0" ] ; then
 518                 if [ ! "`git describe --always`" == \
 519                        "`git describe --abbrev=0 --tags`" ] ; then
 520                         _appendix="+"
 521                 fi
 522         fi
 523
 524         echo "CONFIG_RC=\"$_appendix\"" >> Config
 525 }
 526
 527 gen_config_hdr()
 528 {
 529         local _version=""
 530         local _have_libpcap=""
 531         local _have_libgeoip=""
 532         local _have_libz=""
 533         local _have_hwts=""
 534         local _have_tp3=""
 535
 536         echo "[*] Generating config.h ..."
 537
 538         git rev-parse > /dev/null 2>&1
 539         if [ "$?" == "0" ] ; then
 540                 _version="`git describe --always`"
 541         else
 542                 _version="(none)"
 543         fi
 544
 545         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 546                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 547         fi
 548
 549         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 550                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 551         fi
 552
 553         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 554                 _have_libgeoip="#define HAVE_GEOIP 1"
 555         fi
 556
 557         if [ "$HAVE_LIBZ" == "1" ] ; then
 558                 _have_libz="#define HAVE_LIBZ 1"
 559         fi
 560
 561         if [ "$HAVE_TPACKET3" == "1" ] ; then
 562                 _have_tp3="#define HAVE_TPACKET3 1"
 563         fi
 564
 565         cat > config.h << EOF
 566 #ifndef CONFIG_H
 567 #define CONFIG_H
 568 #define FILE_CLIENTS ".curvetun/clients"
 569 #define FILE_SERVERS ".curvetun/servers"
 570 #define FILE_PRIVKEY ".curvetun/priv.key"
 571 #define FILE_PUBKEY ".curvetun/pub.key"
 572 #define FILE_USERNAM ".curvetun/username"
 573 #define GITVERSION "$_version"
 574 $_have_libpcap
 575 $_have_libgeoip
 576 $_have_libz
 577 $_have_hwts
 578 $_have_tp3
 579 #endif /* CONFIG_H */
 580 EOF
 581 }
 582
 583 rm -f config.log
 584
 585 echo "# This file is autogenerated by the configure script" > Config
 586 check_pkg_config
 587
 588 if [ "$MISSING_PKG_CONFIG" == "1" ] ; then
 589         echo "[!] pkg-config is not installed on your system or not in the PATH"
 590         exit 1
 591 fi
 592
 593 check_ccache
 594 check_flex
 595 check_bison
 596 check_nacl
 597 check_libnl
 598 check_tpacket_v2
 599 check_tpacket_v3
 600 check_libnf_ct
 601 check_ncurses
 602 check_libgeoip
 603 check_zlib
 604 check_urcu
 605 check_libpcap
 606 check_hwtstamp
 607 check_libcli
 608 check_libnet
 609
 610 gen_config_hdr
 611 gen_version_appendix
 612
 613 if [ "$MISSING_DEFS" == "1" ] ; then
 614         echo "[!] Some libraries or header definitions are missing or too old. Thus"
 615         echo "    certain tools will not be built (see below). Please refer to the"
 616         echo "    INSTALL file for the libraries needed to build the complete"
 617         echo "    netsniff-ng toolkit."
 618 fi
 619
 620 if [ "$MISSING_NACL" == "1" ] ; then
 621         echo "[!] The NaCl crypto library is currently not present on your system or"
 622         echo "    could not be found. Either install it from your distro or build it"
 623         echo "    manually using 'make nacl' and make sure that the NACL_INC_DIR and"
 624         echo "    NACL_LIB_DIR environment variables are set appropriately."
 625 fi
 626
 627 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 628         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 629         echo "[*] The following tools will be built: $TOOLS"
 630 else
 631         echo "[*] Looks good! All tools will be built!"
 632 fi
 633
 634 if [ -s config.log ] ; then
 635         echo "[!] There were errors in the configure script. Please check the file"
 636         echo "    config.log for details."
 637 fi
 638
 639 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1"  ] ; then
 640         echo "CONFIG_GEOIP=1" >> Config
 641 else
 642         echo "CONFIG_GEOIP=0" >> Config
 643 fi
 644
 645 echo "CONFIG_TOOLS=$TOOLS" >> Config
 646 echo "CONFIG_OK=1" >> Config
 647
 648 exit 0