229 lines
6.8 KiB
C++
229 lines
6.8 KiB
C++
/*
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Copyright (c) 2007, Un Shyam
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <algorithm>
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#include <iostream>
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#include "libtorrent/hasher.hpp"
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#include "libtorrent/pe_crypto.hpp"
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#include "libtorrent/session.hpp"
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#include "setup_transfer.hpp"
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#include "test.hpp"
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#ifndef TORRENT_DISABLE_ENCRYPTION
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char const* pe_policy(libtorrent::pe_settings::enc_policy policy)
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{
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using namespace libtorrent;
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if (policy == pe_settings::disabled) return "disabled";
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else if (policy == pe_settings::enabled) return "enabled";
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else if (policy == pe_settings::forced) return "forced";
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return "unknown";
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}
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void display_pe_settings(libtorrent::pe_settings s)
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{
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using namespace libtorrent;
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fprintf(stderr, "out_enc_policy - %s\tin_enc_policy - %s\n"
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, pe_policy(s.out_enc_policy), pe_policy(s.in_enc_policy));
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fprintf(stderr, "enc_level - %s\t\tprefer_rc4 - %s\n"
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, s.allowed_enc_level == pe_settings::plaintext ? "plaintext"
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: s.allowed_enc_level == pe_settings::rc4 ? "rc4"
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: s.allowed_enc_level == pe_settings::both ? "both" : "unknown"
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, s.prefer_rc4 ? "true": "false");
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}
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void test_transfer(libtorrent::pe_settings::enc_policy policy,
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libtorrent::pe_settings::enc_level level = libtorrent::pe_settings::both,
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bool pref_rc4 = false, bool encrypted_torrent = false)
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{
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using namespace libtorrent;
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session ses1(fingerprint("LT", 0, 1, 0, 0), std::make_pair(48800, 49000), "0.0.0.0", 0);
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session ses2(fingerprint("LT", 0, 1, 0, 0), std::make_pair(49800, 50000), "0.0.0.0", 0);
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pe_settings s;
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s.out_enc_policy = libtorrent::pe_settings::enabled;
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s.in_enc_policy = libtorrent::pe_settings::enabled;
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s.allowed_enc_level = pe_settings::both;
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ses2.set_pe_settings(s);
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s.out_enc_policy = policy;
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s.in_enc_policy = policy;
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s.allowed_enc_level = level;
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s.prefer_rc4 = pref_rc4;
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ses1.set_pe_settings(s);
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s = ses1.get_pe_settings();
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fprintf(stderr, " Session1 \n");
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display_pe_settings(s);
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s = ses2.get_pe_settings();
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fprintf(stderr, " Session2 \n");
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display_pe_settings(s);
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torrent_handle tor1;
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torrent_handle tor2;
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using boost::tuples::ignore;
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boost::tie(tor1, tor2, ignore) = setup_transfer(&ses1, &ses2, 0, true, false, true
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, "_pe", 16 * 1024, 0, false, 0, true, encrypted_torrent);
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fprintf(stderr, "waiting for transfer to complete\n");
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for (int i = 0; i < 50; ++i)
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{
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torrent_status s = tor2.status();
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print_alerts(ses1, "ses1");
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print_alerts(ses2, "ses2");
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if (s.is_seeding) break;
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test_sleep(1000);
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}
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TEST_CHECK(tor2.status().is_seeding);
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if (tor2.status().is_seeding) fprintf(stderr, "done\n");
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ses1.remove_torrent(tor1);
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ses2.remove_torrent(tor2);
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error_code ec;
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remove_all("tmp1_pe", ec);
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remove_all("tmp2_pe", ec);
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remove_all("tmp3_pe", ec);
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}
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void test_enc_handler(libtorrent::encryption_handler* a, libtorrent::encryption_handler* b)
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{
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int repcount = 128;
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for (int rep = 0; rep < repcount; ++rep)
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{
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std::size_t buf_len = rand() % (512 * 1024);
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char* buf = new char[buf_len];
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char* cmp_buf = new char[buf_len];
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std::generate(buf, buf + buf_len, &std::rand);
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std::memcpy(cmp_buf, buf, buf_len);
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a->encrypt(buf, buf_len);
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TEST_CHECK(!std::equal(buf, buf + buf_len, cmp_buf));
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b->decrypt(buf, buf_len);
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TEST_CHECK(std::equal(buf, buf + buf_len, cmp_buf));
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b->encrypt(buf, buf_len);
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TEST_CHECK(!std::equal(buf, buf + buf_len, cmp_buf));
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a->decrypt(buf, buf_len);
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TEST_CHECK(std::equal(buf, buf + buf_len, cmp_buf));
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delete[] buf;
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delete[] cmp_buf;
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}
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}
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int test_main()
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{
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using namespace libtorrent;
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int repcount = 128;
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for (int rep = 0; rep < repcount; ++rep)
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{
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dh_key_exchange DH1, DH2;
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DH1.compute_secret(DH2.get_local_key());
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DH2.compute_secret(DH1.get_local_key());
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TEST_CHECK(std::equal(DH1.get_secret(), DH1.get_secret() + 96, DH2.get_secret()));
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}
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dh_key_exchange DH1, DH2;
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DH1.compute_secret(DH2.get_local_key());
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DH2.compute_secret(DH1.get_local_key());
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TEST_CHECK(std::equal(DH1.get_secret(), DH1.get_secret() + 96, DH2.get_secret()));
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sha1_hash test1_key = hasher("test1_key",8).final();
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sha1_hash test2_key = hasher("test2_key",8).final();
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fprintf(stderr, "testing RC4 handler\n");
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rc4_handler rc41;
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rc41.set_incoming_key(&test2_key[0], 20);
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rc41.set_outgoing_key(&test1_key[0], 20);
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rc4_handler rc42;
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rc42.set_incoming_key(&test1_key[0], 20);
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rc42.set_outgoing_key(&test2_key[0], 20);
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test_enc_handler(&rc41, &rc42);
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#ifdef TORRENT_USE_OPENSSL
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fprintf(stderr, "testing AES-256 handler\n");
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char key1[32];
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std::generate(key1, key1 + 32, &std::rand);
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aes256_handler aes1;
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aes1.set_incoming_key((const unsigned char*)key1, 32);
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aes256_handler aes2;
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aes2.set_incoming_key((const unsigned char*)key1, 32);
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test_enc_handler(&aes1, &aes2);
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#endif
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test_transfer(pe_settings::enabled, pe_settings::both, false, true);
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test_transfer(pe_settings::enabled, pe_settings::both, true, true);
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return 0;
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test_transfer(pe_settings::disabled);
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test_transfer(pe_settings::forced, pe_settings::plaintext);
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test_transfer(pe_settings::forced, pe_settings::rc4);
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test_transfer(pe_settings::forced, pe_settings::both, false);
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test_transfer(pe_settings::forced, pe_settings::both, true);
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test_transfer(pe_settings::enabled, pe_settings::plaintext);
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test_transfer(pe_settings::enabled, pe_settings::rc4);
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test_transfer(pe_settings::enabled, pe_settings::both, false);
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test_transfer(pe_settings::enabled, pe_settings::both, true);
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return 0;
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}
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#else
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int test_main()
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{
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fprintf(stderr, "PE test not run because it's disabled\n");
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return 0;
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}
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#endif
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