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