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316 lines
8.7 KiB
316 lines
8.7 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995
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//
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// File: smtp.cxx
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//
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// Contents: Contains the command to send SMTP mail
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//
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// Stolen from KrisK's mail.exe tool.
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//
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//----------------------------------------------------------------------------
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#include "headers.hxx"
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#include <iostream.h>
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#include <winsock2.h>
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HRESULT
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CScriptHost::SendSMTPMail(BSTR bstrFrom,
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BSTR bstrTo,
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BSTR bstrCC,
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BSTR bstrSubject,
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BSTR bstrMessage,
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BSTR bstrSMTPHost,
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long *plError)
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{
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char achRecvBuf[2048];
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unsigned short port = 25;
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struct sockaddr_in Ser;
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struct hostent * hp;
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WSADATA wsaData;
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SOCKET conn_socket = INVALID_SOCKET;
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int iRet;
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int iLen;
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char achSendBuf[1024];
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char * pch;
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char * aszToList[30];
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int cToList = 0;
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char * aszCCList[30];
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int cCCList = 0;
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SYSTEMTIME stUT;
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int i;
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ANSIString szFrom(bstrFrom);
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ANSIString szTo(bstrTo);
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ANSIString szCC(bstrCC);
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ANSIString szSubject(bstrSubject);
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ANSIString szMessage(bstrMessage);
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ANSIString szSMTPHost(bstrSMTPHost);
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// ************** Parse the ToList into individual recipients
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pch = szTo;
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while (*pch && cToList < 30)
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{
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// Strip leading spaces from recipient name and terminate preceding
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// name string.
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if (isspace(*pch))
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{
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*pch=0;
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pch++;
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}
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// Add a name to the array and increment the number of recipients.
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else
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{
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aszToList[cToList++] = pch;
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// Move beginning of string to next name in ToList.
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do
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{
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pch++;
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} while (isgraph(*pch));
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}
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}
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// Parse the CCList into individual recipients
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pch = szCC;
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// Parse CCList into rgRecipDescStruct.
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while (*pch && cCCList < 30)
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{
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// Strip leading spaces from recipient name and terminate preceding
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// name string.
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if (isspace(*pch))
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{
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*pch=0;
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pch++;
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}
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// Add a name to the array and increment the number of recipients.
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else
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{
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aszCCList[cCCList++] = pch;
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// Move beginning of string to next name in CCList.
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do
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{
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pch++;
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} while (isgraph(*pch));
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}
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}
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// ************** Initialize Windows Sockets
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// BUGBUG -- Make error return code meaningful
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iRet = WSAStartup(MAKEWORD(2, 2), &wsaData);
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if (iRet != 0)
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{
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*plError = iRet;
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return S_OK;
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}
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hp = gethostbyname(szSMTPHost);
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if (hp == NULL)
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goto WSAError;
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memset(&Ser,0,sizeof(Ser));
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memcpy(&(Ser.sin_addr),hp->h_addr,hp->h_length);
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Ser.sin_family = hp->h_addrtype;
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Ser.sin_port = htons(port);
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// Open a socket
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conn_socket = socket(AF_INET, SOCK_STREAM, 0);
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if (conn_socket == INVALID_SOCKET)
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goto WSAError;
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// ************** Connect to the SMTP host
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iRet = connect(conn_socket, (struct sockaddr*)&Ser, sizeof(Ser));
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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// Get the server's initial response
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iRet = recv(conn_socket, achRecvBuf, sizeof(achRecvBuf), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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// We expect code 220: "Service Ready"
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if (strncmp(achRecvBuf, "220", 3) != 0)
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goto ACKError;
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// ************** Send the mail command
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iLen = wsprintfA(achSendBuf, "MAIL FROM: <%s>\r\n", szFrom);
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iRet = send(conn_socket, achSendBuf, iLen, 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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iRet = recv(conn_socket, achRecvBuf, sizeof(achRecvBuf), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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// We expect code 250: "Requested mail action OK, completed"
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if (strncmp(achRecvBuf, "250", 3) != 0)
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goto ACKError;
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// ************** Send the recipient list (combination of TO and CC)
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for (i = 0; i < cToList; i++)
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{
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iLen = wsprintfA(achSendBuf, "RCPT TO: <%s>\r\n", aszToList[i]);
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iRet = send(conn_socket, achSendBuf, iLen, 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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iRet = recv(conn_socket, achRecvBuf, sizeof(achRecvBuf), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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// We expect code 250: "Requested mail action OK, completed"
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if (strncmp(achRecvBuf, "250", 3) != 0)
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goto ACKError;
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}
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for (i = 0; i < cCCList; i++)
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{
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iLen = wsprintfA(achSendBuf, "RCPT TO: <%s>\r\n", aszCCList[i]);
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iRet = send(conn_socket, achSendBuf, iLen, 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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iRet = recv(conn_socket, achRecvBuf, sizeof(achRecvBuf), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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// We expect code 250: "Requested mail action OK, completed"
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if (strncmp(achRecvBuf, "250", 3) != 0)
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goto ACKError;
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}
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// ************** Send the mail headers
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iLen = wsprintfA(achSendBuf, "DATA\r\n");
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iRet = send(conn_socket, achSendBuf, iLen, 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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iRet = recv(conn_socket, achRecvBuf, sizeof(achRecvBuf), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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// We expect code 354: "Start mail input; End with ."
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if (strncmp(achRecvBuf, "354", 3) != 0)
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goto ACKError;
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GetSystemTime(&stUT);
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GetDateFormatA(LOCALE_NEUTRAL,
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0,
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&stUT,
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"dd MMM yy",
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achRecvBuf,
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sizeof(achRecvBuf));
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wsprintfA(achSendBuf,
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"Date: %s %02d:%02d UT\r\n",
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achRecvBuf,
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stUT.wHour,
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stUT.wMinute);
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iRet = send(conn_socket, achSendBuf, strlen(achSendBuf), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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wsprintfA(achSendBuf, "From: <%s>\r\n", szFrom);
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wsprintfA(&achSendBuf[strlen(achSendBuf)], "Subject: %s\r\n", szSubject);
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wsprintfA(&achSendBuf[strlen(achSendBuf)], "To: ");
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for (i = 0; i < cToList; i++)
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{
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wsprintfA(&achSendBuf[strlen(achSendBuf)],
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"<%s>%s",
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aszToList[i],
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(i == cToList-1) ? "\r\n" : ",\r\n ");
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}
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if (cCCList > 0)
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{
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wsprintfA(&achSendBuf[strlen(achSendBuf)], "cc: ", szFrom);
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for (i = 0; i < cCCList; i++)
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{
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wsprintfA(&achSendBuf[strlen(achSendBuf)],
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"<%s>%s",
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aszCCList[i],
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(i == cCCList-1) ? "\r\n" : ",\r\n ");
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}
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}
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wsprintfA(&achSendBuf[strlen(achSendBuf)], "Reply-To: <%s>\r\n\r\n", szFrom);
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/*
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BUGBUG -- Perhaps support HTML formatted mail in the future?
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if ( html )
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str += "MIME-Version: 1.0\r\nContent-Type: text/html;\r\n charset=\"iso-8859-1\"\r\nSUBJECT: "+ title + "\r\n\r\n"+ message +"\r\n.\r\n";
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*/
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iRet = send(conn_socket, achSendBuf, strlen(achSendBuf), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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// ************** Send the message body
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iRet = send(conn_socket, szMessage, strlen(szMessage), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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// ************** Close the connection
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strcpy(achSendBuf, "\r\n.\r\n");
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iRet = send(conn_socket, achSendBuf, strlen(achSendBuf), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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iRet = recv(conn_socket, achRecvBuf, sizeof(achRecvBuf), 0);
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if (iRet == SOCKET_ERROR)
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goto WSAError;
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// We expect code 250: "Requested mail action OK, completed"
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if (strncmp(achRecvBuf, "250", 3) != 0)
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goto ACKError;
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strcpy(achSendBuf, "QUIT\r\n");
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send(conn_socket, achSendBuf, strlen(achSendBuf), 0);
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Cleanup:
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if (conn_socket != INVALID_SOCKET)
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{
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closesocket(conn_socket);
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}
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WSACleanup();
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return S_OK;
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ACKError:
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// BUGBUG -- Preserve entire string that was returned
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achRecvBuf[3] = '\0';
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*plError = atoi(achRecvBuf);
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goto Cleanup;
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WSAError:
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*plError = WSAGetLastError();
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goto Cleanup;
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}
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