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2 | |
2 | |
3 | AC_PREREQ(2.69) |
3 | AC_PREREQ(2.69) |
4 | AC_INIT |
4 | AC_INIT |
5 | AC_CONFIG_SRCDIR([src/gvpe.C]) |
5 | AC_CONFIG_SRCDIR([src/gvpe.C]) |
6 | AC_CANONICAL_TARGET |
6 | AC_CANONICAL_TARGET |
7 | AM_INIT_AUTOMAKE(gvpe, 2.24) |
7 | AM_INIT_AUTOMAKE(gvpe, 2.25) |
8 | AC_CONFIG_HEADERS([config.h]) |
8 | AC_CONFIG_HEADERS([config.h]) |
9 | AM_MAINTAINER_MODE |
9 | AM_MAINTAINER_MODE |
10 | |
10 | |
11 | AH_TOP([ |
11 | AH_TOP([ |
12 | #ifndef CONFIG_H__ |
12 | #ifndef CONFIG_H__ |
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327 | |
327 | |
328 | AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.]) |
328 | AC_DEFINE_UNQUOTED(ENABLE_DNS, 1, [DNS tunnel protocol support.]) |
329 | ] |
329 | ] |
330 | ) |
330 | ) |
331 | |
331 | |
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332 | RSA=3072 |
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333 | AC_ARG_ENABLE(rsa-length, |
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334 | [AS_HELP_STRING(--enable-rsa-length=BITS,[ |
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335 | use BITS rsa keys (default 3072). Allowed values are 2048-10240.])], |
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336 | RSA=$enableval |
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337 | ) |
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338 | AC_DEFINE_UNQUOTED(RSABITS, $RSA, [Size of RSA keys.]) |
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339 | |
332 | HMAC=12 |
340 | HMACSIZE=12 |
333 | AC_ARG_ENABLE(hmac-length, |
341 | AC_ARG_ENABLE(hmac-length, |
334 | [AS_HELP_STRING(--enable-hmac-length=BYTES,[ |
342 | [AS_HELP_STRING(--enable-hmac-length=BYTES,[ |
335 | use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])], |
343 | use a hmac of length BYTES bytes (default 12). Allowed values are 4, 8, 12, 16.])], |
336 | HMAC=$enableval |
344 | HMACSIZE=$enableval |
337 | ) |
345 | ) |
338 | AC_DEFINE_UNQUOTED(HMACLENGTH, $HMAC, [Size of HMAC in each packet in bytes.]) |
346 | AC_DEFINE_UNQUOTED(HMACLENGTH, $HMACSIZE, [Size of HMAC in each packet in bytes.]) |
339 | |
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340 | RAND=8 |
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341 | AC_ARG_ENABLE(rand-length, |
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342 | [AS_HELP_STRING(--enable-rand-length=BYTES, |
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343 | [use BYTES bytes of extra randomness (default 8). Allowed values are 0, 4, 8.])], |
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344 | RAND=$enableval |
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345 | ) |
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346 | AC_DEFINE_UNQUOTED(RAND_SIZE, $RAND, [Add this many bytes of randomness to each packet.]) |
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347 | |
347 | |
348 | MTU=1500 |
348 | MTU=1500 |
349 | AC_ARG_ENABLE(max-mtu, |
349 | AC_ARG_ENABLE(max-mtu, |
350 | [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)], |
350 | [AS_HELP_STRING(--enable-max-mtu=BYTES,enable mtu sizes upto BYTES bytes (default 1500). Use 9100 for jumbogram support.)], |
351 | MTU=$enableval |
351 | MTU=$enableval |
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359 | COMPRESS=0 |
359 | COMPRESS=0 |
360 | fi |
360 | fi |
361 | ) |
361 | ) |
362 | AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.]) |
362 | AC_DEFINE_UNQUOTED(ENABLE_COMPRESSION, $COMPRESS, [Enable compression support.]) |
363 | |
363 | |
364 | CIPHER=aes_128_cbc |
364 | CIPHER=aes_128_ctr |
365 | AC_ARG_ENABLE(cipher, |
365 | AC_ARG_ENABLE(cipher, |
366 | [AS_HELP_STRING(--enable-cipher=CIPHER,[ |
366 | [AS_HELP_STRING(--enable-cipher=CIPHER,[ |
367 | Select the symmetric cipher (default "aes-128"). |
367 | Select the symmetric cipher (default "aes-128"). |
368 | Must be one of "bf" (blowfish), "aes-128" (rijndael), "aes-192" or "aes-256".])], |
368 | Must be one of "aes-128" (rijndael), "aes-192", or "aes-256".])], |
369 | if test "x$enableval" = xbf ; then CIPHER=bf_cbc ; fi |
369 | #if test "x$enableval" = xbf ; then CIPHER=bf_ctr ; fi |
370 | if test "x$enableval" = xaes-128; then CIPHER=aes_128_cbc; fi |
370 | if test "x$enableval" = xaes-128 ; then CIPHER=aes_128_ctr ; fi |
371 | if test "x$enableval" = xaes-192; then CIPHER=aes_192_cbc; fi |
371 | if test "x$enableval" = xaes-192 ; then CIPHER=aes_192_ctr ; fi |
372 | if test "x$enableval" = xaes-256; then CIPHER=aes_256_cbc; fi |
372 | if test "x$enableval" = xaes-256 ; then CIPHER=aes_256_ctr ; fi |
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373 | #if test "x$enableval" = xcamellia-128; then CIPHER=camellia_128_ctr; fi |
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374 | #if test "x$enableval" = xcamellia-256; then CIPHER=camellia_256_ctr; fi |
373 | ) |
375 | ) |
374 | AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.]) |
376 | AC_DEFINE_UNQUOTED(ENABLE_CIPHER, EVP_${CIPHER}, [Select the symmetric cipher to use.]) |
375 | |
377 | |
376 | DIGEST=ripemd160 |
378 | HMAC=sha1 |
377 | AC_ARG_ENABLE(digest, |
379 | AC_ARG_ENABLE(hmac-digest, |
378 | [AS_HELP_STRING(--enable-digest=CIPHER,[ |
380 | [AS_HELP_STRING(--enable-hmac-digest=HMAC,[ |
379 | Select the digest algorithm to use (default "ripemd160"). Must be one of |
381 | Select the HMAC digest algorithm to use (default "sha1"). Must be one of |
380 | "sha512", "sha256", "sha1" (somewhat insecure), "ripemd160", "md5" (insecure) or "md4" (insecure).])], |
382 | "sha512", "sha256", "sha1", "ripemd160", "whirlpool".])], |
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383 | if test "x$enableval" = xwhirlpool; then HMAC=whirlpool; fi |
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384 | if test "x$enableval" = xsha512 ; then HMAC=sha512 ; fi |
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385 | if test "x$enableval" = xsha256 ; then HMAC=sha256 ; fi |
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386 | if test "x$enableval" = xsha1 ; then HMAC=sha1 ; fi |
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387 | if test "x$enableval" = xripemd160; then HMAC=ripemd160; fi |
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388 | ) |
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389 | AC_DEFINE_UNQUOTED(ENABLE_HMAC, EVP_${HMAC}, [Select the HMAC digest algorithm to use.]) |
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390 | |
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391 | AUTH=sha512 |
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392 | AC_ARG_ENABLE(auth-digest, |
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393 | [AS_HELP_STRING(--enable-auth-digest=DIGEST,[ |
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394 | Select the hmac algorithm to use (default "sha512"). Must be one of |
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395 | "sha512", "sha256", "whirlpool".])], |
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396 | if test "x$enableval" = xwhirlpool; then AUTH=whirlpool; fi |
381 | if test "x$enableval" = xsha512 ; then DIGEST=sha512 ; fi |
397 | if test "x$enableval" = xsha512 ; then AUTH=sha512 ; fi |
382 | if test "x$enableval" = xsha256 ; then DIGEST=sha256 ; fi |
398 | if test "x$enableval" = xsha256 ; then AUTH=sha256 ; fi |
383 | if test "x$enableval" = xsha1 ; then DIGEST=sha1 ; fi |
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384 | if test "x$enableval" = xripemd160; then DIGEST=ripemd160; fi |
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385 | if test "x$enableval" = xmd5 ; then DIGEST=md5 ; fi |
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386 | if test "x$enableval" = xmd4 ; then DIGEST=md4 ; fi |
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387 | ) |
399 | ) |
388 | AC_DEFINE_UNQUOTED(ENABLE_DIGEST, EVP_${DIGEST}, [Select the digest algorithm to use.]) |
400 | AC_DEFINE_UNQUOTED(ENABLE_AUTH, EVP_${AUTH}, [Select the auth digest algorithm to use.]) |
389 | |
401 | |
390 | if $CXX -v --help 2>&1 | grep -q fno-rtti; then |
402 | if $CXX -v --help 2>&1 | grep -q fno-rtti; then |
391 | CXXFLAGS="$CXXFLAGS -fno-rtti" |
403 | CXXFLAGS="$CXXFLAGS -fno-rtti" |
392 | fi |
404 | fi |
393 | |
405 | |
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398 | LIBS="$EXTRA_LIBS $LIBS" |
410 | LIBS="$EXTRA_LIBS $LIBS" |
399 | |
411 | |
400 | dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then |
412 | dnl if $CXX -v --help 2>&1 | grep -q ffunction-sections; then |
401 | dnl CXXFLAGS="$CXXFLAGS -ffunction-sections" |
413 | dnl CXXFLAGS="$CXXFLAGS -ffunction-sections" |
402 | dnl fi |
414 | dnl fi |
403 | dnl |
415 | dnl |
404 | dnl if $LD -v --help 2>&1 | grep -q gc-sections; then |
416 | dnl if $LD -v --help 2>&1 | grep -q gc-sections; then |
405 | dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections" |
417 | dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections" |
406 | dnl fi |
418 | dnl fi |
407 | |
419 | |
408 | AC_SUBST(INCLUDES) |
420 | AC_SUBST(INCLUDES) |
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418 | echo |
430 | echo |
419 | echo "***" |
431 | echo "***" |
420 | echo "*** Configuration Summary" |
432 | echo "*** Configuration Summary" |
421 | echo "***" |
433 | echo "***" |
422 | echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE" |
434 | echo "*** Kernel Iface: $IFTYPE/$IFSUBTYPE" |
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435 | echo "*** RSA size: $RSA" |
423 | echo "*** Cipher used: $CIPHER" |
436 | echo "*** Cipher used: $CIPHER" |
424 | echo "*** Digest used: $DIGEST" |
437 | echo "*** Digest used: $DIGEST" |
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438 | echo "*** Authdigest: $AUTH" |
425 | echo "*** HMAC length: $HMAC" |
439 | echo "*** HMAC length: $HMAC" |
426 | echo "*** RAND used: $RAND" |
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427 | echo "*** Max. MTU: $MTU" |
440 | echo "*** Max. MTU: $MTU" |
428 | |
441 | |
429 | echo "***" |
442 | echo "***" |
430 | echo "*** Enable options:" |
443 | echo "*** Enable options:" |
431 | grep ENABLE_ config.h | sed -e 's/^/*** /' |
444 | grep ENABLE_ config.h | sed -e 's/^/*** /' |
432 | |
445 | |
433 | if test "x$DIGEST" = xmd4; then |
446 | if test "$HMACSIZE" -lt 12; then |
434 | echo "***" |
447 | echo "***" |
435 | echo "*** WARNING: The digest you have chosen ($DIGEST) is known to be insecure" |
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436 | fi |
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437 | |
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438 | if test "x$DIGEST" = xmd5; then |
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439 | echo "***" |
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440 | echo "*** WARNING: The digest you have chosen ($DIGEST) is probably insecure" |
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441 | fi |
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442 | |
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443 | if test "$HMAC" -lt 12; then |
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444 | echo "***" |
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445 | echo "*** WARNING: The hmac length you have chosen ($HMAC) is probably insecure" |
448 | echo "*** WARNING: The hmac length you have chosen ($HMACSIZE) is quite insecure" |
446 | fi |
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447 | |
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448 | if test "$RAND" -lt 8; then |
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449 | echo "***" |
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450 | echo "*** WARNING: The random prefix you have chosen ($RAND) is probably insecure" |
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451 | fi |
449 | fi |
452 | |
450 | |
453 | echo "***" |
451 | echo "***" |
454 | echo |
452 | echo |
455 | |
453 | |