72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
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/* Copyright (c) 2014, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#ifndef OPENSSL_HEADER_TOOL_TRANSPORT_COMMON_H
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#define OPENSSL_HEADER_TOOL_TRANSPORT_COMMON_H
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#include <openssl/ssl.h>
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#include <string.h>
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#include <string>
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// InitSocketLibrary calls the Windows socket init functions, if needed.
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bool InitSocketLibrary();
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// Connect sets |*out_sock| to be a socket connected to the destination given
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// in |hostname_and_port|, which should be of the form "www.example.com:123".
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// It returns true on success and false otherwise.
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bool Connect(int *out_sock, const std::string &hostname_and_port);
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class Listener {
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public:
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Listener() {}
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~Listener();
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// Init initializes the listener to listen on |port|, which should be of the
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// form "123".
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bool Init(const std::string &port);
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// Accept sets |*out_sock| to be a socket connected to the listener.
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bool Accept(int *out_sock);
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private:
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int server_sock_ = -1;
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Listener(const Listener &) = delete;
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Listener &operator=(const Listener &) = delete;
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};
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bool VersionFromString(uint16_t *out_version, const std::string &version);
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void PrintConnectionInfo(BIO *bio, const SSL *ssl);
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bool SocketSetNonBlocking(int sock, bool is_non_blocking);
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// PrintSSLError prints information about the most recent SSL error to stderr.
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// |ssl_err| must be the output of |SSL_get_error| and the |SSL| object must be
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// connected to socket from |Connect|.
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void PrintSSLError(FILE *file, const char *msg, int ssl_err, int ret);
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bool TransferData(SSL *ssl, int sock);
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// DoSMTPStartTLS performs the SMTP STARTTLS mini-protocol over |sock|. It
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// returns true on success and false otherwise.
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bool DoSMTPStartTLS(int sock);
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// DoHTTPTunnel sends an HTTP CONNECT request over |sock|. It returns true on
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// success and false otherwise.
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bool DoHTTPTunnel(int sock, const std::string &hostname_and_port);
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#endif // !OPENSSL_HEADER_TOOL_TRANSPORT_COMMON_H
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