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/* ============================================================================ |
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* Douglas Thrift's Web Contact License |
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* |
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* Copyright (C) 2002, Douglas Thrift. All Rights Reserved. |
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* |
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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 are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, if any, must |
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* include the following acknowledgment: |
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* |
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* "This product includes software developed by Douglas Thrift |
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* (http://computers.douglasthrift.net/webcontact.html)." |
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* |
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* Alternately, this acknowledgment may appear in the software itself, if |
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* and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Douglas Thrift" and "Douglas Thrift's Web Contact" must not be |
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* used to endorse or promote products derived from this software without |
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* specific prior written permission. For written permission, please visit |
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* http://www.douglasthrift.net/contact.html for contact information. |
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* |
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* 5. Products derived from this software may not be called "Douglas Thrift's |
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* Web Contact", nor may "Douglas Thrift's Web Contact" appear in their |
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* name, without prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ============================================================================ |
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*/ |
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// Windows XP FAQ Poll |
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// |
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// Douglas Thrift |
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// |
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// IMAPHandler.cpp |
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|
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#include "IMAPHandler.h" |
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|
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IMAPHandler::IMAPHandler(const string& server, bool tls) |
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{ |
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this->tls = tls; |
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buffer = new char[BUFSIZ + 1]; |
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|
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#ifdef _WIN32 |
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if (WSAStartup(MAKEWORD(2, 0), &data) != 0) |
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{ |
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error(program + ": WSAStartup"); |
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exit(1); |
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} |
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#endif // _WIN32 |
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|
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if ((sock = socket(PF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
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{ |
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error(program + ": Socket"); |
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exit(1); |
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} |
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|
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sockaddr_in address; |
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hostent* host; |
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|
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address.sin_family = AF_INET; |
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|
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if ((host = gethostbyname(server.c_str())) == NULL) |
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{ |
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error(program + ": Host: " + server, true); |
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exit(1); |
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} |
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|
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address.sin_addr = *((in_addr*)*host->h_addr_list); |
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address.sin_port = htons(tls ? 993 : 143); |
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|
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if (connect(sock, (sockaddr*)&address, sizeof(sockaddr_in)) == |
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SOCKET_ERROR) |
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{ |
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error(program + ": Connect"); |
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exit(1); |
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} |
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|
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if (tls) |
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{ |
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SSL_load_error_strings(); |
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SSL_library_init(); |
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|
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char* seed = new char[BUFSIZ + 1]; |
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time_t moment = time(NULL); |
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sprintf(seed, "froofy%sfoofoo", ctime(&moment)); |
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|
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RAND_add(seed, strlen(seed), 0.007456); |
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|
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delete [] seed; |
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|
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ctx = SSL_CTX_new(TLSv1_client_method()); |
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if (ctx == NULL) |
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{ |
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cerr << program << ": SSL CTX New: " << |
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ERR_reason_error_string(ERR_get_error()) << "\n"; |
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exit(1); |
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} |
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|
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ssl = SSL_new(ctx); |
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|
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if (SSL_set_fd(ssl, sock) == 0) |
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{ |
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cerr << program << ": SSL Set FD: " << |
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ERR_reason_error_string(ERR_get_error()) << "\n"; |
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exit(1); |
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} |
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|
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if (int code = SSL_connect(ssl) <= 0) |
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{ |
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error(program + ": SSL Connect", code); |
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exit(1); |
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} |
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} |
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|
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string input = getline(); |
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if (debug) cerr << input << "\n"; |
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} |
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|
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IMAPHandler::~IMAPHandler() |
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{ |
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if (tls) |
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{ |
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SSL_shutdown(ssl); |
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SSL_free(ssl); |
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SSL_CTX_free(ctx); |
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} |
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|
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closesocket(sock); |
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|
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delete [] buffer; |
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|
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#ifdef _WIN32 |
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WSACleanup(); |
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#endif // _WIN32 |
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} |
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|
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string IMAPHandler::starttls() |
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{ |
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string answer = imap("STARTTLS"); |
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|
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if (success) |
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{ |
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// |
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} |
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|
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return answer; |
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} |
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|
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string IMAPHandler::imap(const string& imap) |
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{ |
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string result; |
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|
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// |
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|
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return result; |
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} |
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|
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void IMAPHandler::putline(const string line) |
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{ |
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sprintf(buffer, "%s\r\n", line.c_str()); |
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|
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if (tls) |
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{ |
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if (int code = SSL_write(ssl, buffer, strlen(buffer)) <= 0) |
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{ |
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error(program + ": SSL Write", code); |
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exit(1); |
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} |
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} |
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else |
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{ |
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if (send(sock, buffer, strlen(buffer), 0) == SOCKET_ERROR) |
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{ |
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error(program + ": Send"); |
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exit(1); |
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} |
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} |
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} |
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|
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string IMAPHandler::getline() |
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{ |
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string line; |
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char byte; |
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|
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do |
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{ |
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if (tls) |
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{ |
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if (int code = SSL_read(ssl, &byte, 1) <= 0) |
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{ |
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error(program + ": SSL Read", code); |
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exit(1); |
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} |
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} |
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else |
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{ |
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if (recv(sock, &byte, 1, 0) == SOCKET_ERROR) |
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{ |
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error(program + ": Recv"); |
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exit(1); |
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} |
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} |
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|
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if (byte != '\r' && byte != '\n') |
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{ |
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line += byte; |
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} |
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} |
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while (byte != '\n'); |
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|
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return line; |
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} |
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|
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void IMAPHandler::error(const string& prefix, bool host) |
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{ |
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#ifdef _WIN32 |
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string error; |
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|
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switch (WSAGetLastError()) |
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{ |
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case WSAEACCES: |
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error = "Permission denied."; |
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break; |
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case WSAEADDRINUSE: |
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error = "Address already in use."; |
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break; |
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case WSAEADDRNOTAVAIL: |
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error = "Cannot assign requested address."; |
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break; |
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case WSAEAFNOSUPPORT: |
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error = "Address family not supported by protocol family."; |
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break; |
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case WSAEALREADY: |
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error = "Operation already in progress."; |
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break; |
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case WSAECONNABORTED: |
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error = "Software caused connection abort."; |
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break; |
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case WSAECONNREFUSED: |
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error = "Connection refused."; |
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break; |
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case WSAECONNRESET: |
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error = "Connection reset by peer."; |
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break; |
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case WSAEDESTADDRREQ: |
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error = "Destination address required."; |
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break; |
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case WSAEFAULT: |
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error = "Bad address."; |
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break; |
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case WSAEHOSTDOWN: |
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error = "Host is down."; |
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break; |
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case WSAEHOSTUNREACH: |
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error = "No route to host."; |
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break; |
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case WSAEINPROGRESS: |
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error = "Operation now in progress."; |
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break; |
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case WSAEINTR: |
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error = "Interrupted function call."; |
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break; |
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case WSAEINVAL: |
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error = "Invalid argument."; |
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break; |
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case WSAEISCONN: |
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error = "Socket is already connected."; |
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break; |
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case WSAEMFILE: |
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error = "Too many open files."; |
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break; |
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case WSAEMSGSIZE: |
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error = "Message too long."; |
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break; |
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case WSAENETDOWN: |
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error = "Network is down."; |
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break; |
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case WSAENETRESET: |
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error = "Network dropped connection on reset."; |
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break; |
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case WSAENETUNREACH: |
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error = "Network is unreachable."; |
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break; |
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case WSAENOBUFS: |
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error = "No buffer space available."; |
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break; |
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case WSAENOPROTOOPT: |
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error = "Bad protocol option."; |
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break; |
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case WSAENOTCONN: |
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error = "Socket is not connected."; |
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break; |
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case WSAENOTSOCK: |
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error = "Socket operation on non-socket."; |
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break; |
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case WSAEOPNOTSUPP: |
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error = "Operation not supported."; |
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break; |
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case WSAEPFNOSUPPORT: |
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error = "Protocol family not supported."; |
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break; |
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case WSAEPROCLIM: |
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error = "Too many processes."; |
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break; |
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case WSAEPROTONOSUPPORT: |
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error = "Protocol not supported."; |
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break; |
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case WSAEPROTOTYPE: |
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error = "Protocol wrong type for socket."; |
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break; |
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case WSAESHUTDOWN: |
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error = "Cannot send after socket shutdown."; |
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break; |
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case WSAESOCKTNOSUPPORT: |
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error = "Socket type not supported."; |
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break; |
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case WSAETIMEDOUT: |
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error = "Connection timed out."; |
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break; |
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case WSATYPE_NOT_FOUND: |
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error = "Class type not found."; |
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break; |
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case WSAEWOULDBLOCK: |
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error = "Resource temporarily unavailable."; |
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break; |
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case WSAHOST_NOT_FOUND: |
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error = "Host not found."; |
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break; |
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case WSA_INVALID_HANDLE: |
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error = "Specified event object handle is invalid."; |
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break; |
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case WSA_INVALID_PARAMETER: |
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error = "One or more parameters are invalid."; |
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break; |
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// case WSAINVALIDPROCTABLE: |
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// error = "Invalid procedure table from service provider."; |
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// break; |
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// case WSAINVALIDPROVIDER: |
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// error = "Invalid service provider version number."; |
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// break; |
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case WSA_IO_INCOMPLETE: |
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error = "Overlapped I/O event object not in signaled state."; |
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break; |
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case WSA_IO_PENDING: |
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error = "Overlapped operations will complete later."; |
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break; |
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case WSA_NOT_ENOUGH_MEMORY: |
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error = "Insufficient memory available."; |
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break; |
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case WSANOTINITIALISED: |
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error = "Successful WSAStartup not yet performed."; |
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break; |
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case WSANO_DATA: |
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error = "Valid name, no data record of requested type."; |
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break; |
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case WSANO_RECOVERY: |
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error = "This is a non-recoverable error."; |
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break; |
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// case WSAPROVIDERFAILEDINIT: |
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// error = "Unable to initialize a service provider."; |
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// break; |
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case WSASYSCALLFAILURE: |
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error = "System call failure."; |
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break; |
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case WSASYSNOTREADY: |
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error = "Network subsystem is unavailable."; |
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break; |
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case WSATRY_AGAIN: |
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error = "Non-authoritative host not found."; |
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break; |
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case WSAVERNOTSUPPORTED: |
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error = "WINSOCK.DLL version out of range."; |
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break; |
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case WSAEDISCON: |
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error = "Graceful shutdown in progress."; |
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break; |
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case WSA_OPERATION_ABORTED: |
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error = "Overlapped operation aborted."; |
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break; |
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default: |
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error = "Unknown error."; |
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break; |
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} |
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|
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cerr << prefix << ": " << error << "\n"; |
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#else |
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if (host) |
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{ |
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herror(prefix.c_str()); |
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} |
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else |
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{ |
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perror(prefix.c_str()); |
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} |
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#endif // _WIN32 |
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} |
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|
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void IMAPHandler::error(const string& prefix, int code) |
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{ |
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string error; |
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|
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switch (SSL_get_error(ssl, code)) |
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{ |
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case SSL_ERROR_NONE: |
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error = "The TLS/SSL I/O operation completed."; |
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break; |
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case SSL_ERROR_ZERO_RETURN: |
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error = "The TLS/SSL connection has been closed."; |
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break; |
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case SSL_ERROR_WANT_READ: |
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case SSL_ERROR_WANT_WRITE: |
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case SSL_ERROR_WANT_CONNECT: |
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// case SSL_ERROR_WANT_ACCEPT: |
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case SSL_ERROR_WANT_X509_LOOKUP: |
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error = "The operation did not complete."; |
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break; |
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case SSL_ERROR_SYSCALL: |
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if (int err = ERR_get_error() != 0) |
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{ |
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error = ERR_reason_error_string(err); |
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} |
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else |
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{ |
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switch (code) |
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{ |
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case 0: |
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error = "An EOF was observed that violates the protocol."; |
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break; |
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case -1: |
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this->error(prefix); |
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return; |
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default: |
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error = "Unknown error."; |
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break; |
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} |
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} |
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break; |
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case SSL_ERROR_SSL: |
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error = ERR_reason_error_string(ERR_get_error()); |
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break; |
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default: |
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error = "Unknown error."; |
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break; |
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} |
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|
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cerr << prefix << ": " << error << "\n"; |
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} |
