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