mirror of https://github.com/google/oss-fuzz.git
102 lines
4.0 KiB
C++
102 lines
4.0 KiB
C++
/*
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# Copyright 2016 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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*/
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#include <assert.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#define LIBSSH_STATIC 1
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#include <libssh/libssh.h>
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#include <libssh/server.h>
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static const char kRSAPrivateKeyPEM[] =
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"-----BEGIN RSA PRIVATE KEY-----\n"
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"MIIEowIBAAKCAQEArAOREUWlBXJAKZ5hABYyxnRayDZP1bJeLbPVK+npxemrhHyZ\n"
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"gjdbY3ADot+JRyWjvll2w2GI+3blt0j+x/ZWwjMKu/QYcycYp5HL01goxOxuusZb\n"
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"i+KiHRGB6z0EMdXM7U82U7lA/j//HyZppyDjUDniWabXQJge8ksGXGTiFeAJ/687\n"
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"uV+JJcjGPxAGFQxzyjitf/FrL9S0WGKZbyqeGDzyeBZ1NLIuaiOORyLGSW4duHLD\n"
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"N78EmsJnwqg2gJQmRSaD4BNZMjtbfiFcSL9Uw4XQFTsWugUDEY1AU4c5g11nhzHz\n"
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"Bi9qMOt5DzrZQpD4j0gA2LOHpHhoOdg1ZuHrGQIDAQABAoIBAFJTaqy/jllq8vZ4\n"
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"TKiD900wBvrns5HtSlHJTe80hqQoT+Sa1cWSxPR0eekL32Hjy9igbMzZ83uWzh7I\n"
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"mtgNODy9vRdznfgO8CfTCaBfAzQsjFpr8QikMT6EUI/LpiRL1UaGsNOlSEvnSS0Z\n"
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"b1uDzAdrjL+nsEHEDJud+K9jwSkCRifVMy7fLfaum+YKpdeEz7K2Mgm5pJ/Vg+9s\n"
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"vI2V1q7HAOI4eUVTgJNHXy5ediRJlajQHf/lNUzHKqn7iH+JRl01gt62X8roG62b\n"
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"TbFylbheqMm9awuSF2ucOcx+guuwhkPir8BEMb08j3hiK+TfwPdY0F6QH4OhiKK7\n"
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"MTqTVgECgYEA0vmmu5GOBtwRmq6gVNCHhdLDQWaxAZqQRmRbzxVhFpbv0GjbQEF7\n"
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"tttq3fjDrzDf6CE9RtZWw2BUSXVq+IXB/bXb1kgWU2xWywm+OFDk9OXQs8ui+MY7\n"
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"FiP3yuq3YJob2g5CCsVQWl2CHvWGmTLhE1ODll39t7Y1uwdcDobJN+ECgYEA0LlR\n"
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"hfMjydWmwqooU9TDjXNBmwufyYlNFTH351amYgFUDpNf35SMCP4hDosUw/zCTDpc\n"
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"+1w04BJJfkH1SNvXSOilpdaYRTYuryDvGmWC66K2KX1nLErhlhs17CwzV997nYgD\n"
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"H3OOU4HfqIKmdGbjvWlkmY+mLHyG10bbpOTbujkCgYAc68xHejSWDCT9p2KjPdLW\n"
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"LYZGuOUa6y1L+QX85Vlh118Ymsczj8Z90qZbt3Zb1b9b+vKDe255agMj7syzNOLa\n"
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"/MseHNOyq+9Z9gP1hGFekQKDIy88GzCOYG/fiT2KKJYY1kuHXnUdbiQgSlghODBS\n"
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"jehD/K6DOJ80/FVKSH/dAQKBgQDJ+apTzpZhJ2f5k6L2jDq3VEK2ACedZEm9Kt9T\n"
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"c1wKFnL6r83kkuB3i0L9ycRMavixvwBfFDjuY4POs5Dh8ip/mPFCa0hqISZHvbzi\n"
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"dDyePJO9zmXaTJPDJ42kfpkofVAnfohXFQEy+cguTk848J+MmMIKfyE0h0QMabr9\n"
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"86BUsQKBgEVgoi4RXwmtGovtMew01ORPV9MOX3v+VnsCgD4/56URKOAngiS70xEP\n"
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"ONwNbTCWuuv43HGzJoVFiAMGnQP1BAJ7gkHkjSegOGKkiw12EPUWhFcMg+GkgPhc\n"
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"pOqNt/VMBPjJ/ysHJqmLfQK9A35JV6Cmdphe+OIl28bcKhAOz8Dw\n"
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"-----END RSA PRIVATE KEY-----\n";
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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int socket_fds[2];
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int res = socketpair(AF_UNIX, SOCK_STREAM, 0, socket_fds);
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assert(res >= 0);
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ssize_t send_res = send(socket_fds[1], data, size, 0);
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assert(send_res == size);
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res = shutdown(socket_fds[1], SHUT_WR);
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assert(res == 0);
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int fd = open("/tmp/libssh_fuzzer_private_key", O_WRONLY | O_CREAT, S_IRWXU);
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assert(fd >= 0);
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ssize_t write_res = write(fd, kRSAPrivateKeyPEM, strlen(kRSAPrivateKeyPEM));
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assert(write_res == strlen(kRSAPrivateKeyPEM));
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close(fd);
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ssh_bind sshbind = ssh_bind_new();
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ssh_session session = ssh_new();
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ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_RSAKEY, "/tmp/libssh_fuzzer_private_key");
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res = ssh_bind_accept_fd(sshbind, session, socket_fds[0]);
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assert(res == SSH_OK);
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if (ssh_handle_key_exchange(session) == SSH_OK) {
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while (true) {
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ssh_message message = ssh_message_get(session);
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if (!message) {
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break;
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}
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ssh_message_free(message);
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}
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}
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close(socket_fds[0]);
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close(socket_fds[1]);
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ssh_disconnect(session);
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ssh_free(session);
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ssh_bind_free(sshbind);
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return 0;
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}
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