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