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