cdesktopenv/cde/programs/dtmail/libDtMail/Common/APOPServer.C

159 lines
4.9 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
*+SNOTICE
*
* $TOG: APOPServer.C /main/5 1998/11/10 17:06:52 mgreess $
*
* RESTRICTED CONFIDENTIAL INFORMATION:
*
* The information in this document is subject to special
* restrictions in a confidential disclosure agreement between
* HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
* document outside HP, IBM, Sun, USL, SCO, or Univel without
* Sun's specific written approval. This document and all copies
* and derivative works thereof must be returned or destroyed at
* Sun's request.
*
* Copyright 1993, 1995, 1995 Sun Microsystems, Inc. All rights reserved.
*
*+ENOTICE
*/
/*
* Common Desktop Environment
*
* (c) Copyright 1993, 1994, 1995 Hewlett-Packard Company
* (c) Copyright 1993, 1994, 1995 International Business Machines Corp.
* (c) Copyright 1993, 1994, 1995 Sun Microsystems, Inc.
* (c) Copyright 1993, 1994, 1995 Novell, Inc.
* (c) Copyright 1995 Digital Equipment Corp.
* (c) Copyright 1995 Fujitsu Limited
* (c) Copyright 1995 Hitachi, Ltd.
*
*
* RESTRICTED RIGHTS LEGEND
*
*Use, duplication, or disclosure by the U.S. Government is subject to
*restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in
*Technical Data and Computer Software clause in DFARS 252.227-7013. Rights
*for non-DOD U.S. Government Departments and Agencies are as set forth in
*FAR 52.227-19(c)(1,2).
*Hewlett-Packard Company, 3000 Hanover Street, Palo Alto, CA 94304 U.S.A.
*International Business Machines Corp., Route 100, Somers, NY 10589 U.S.A.
*Sun Microsystems, Inc., 2550 Garcia Avenue, Mountain View, CA 94043 U.S.A.
*Novell, Inc., 190 River Road, Summit, NJ 07901 U.S.A.
*Digital Equipment Corp., 111 Powdermill Road, Maynard, MA 01754, U.S.A.
*Fujitsu Limited, 1015, Kamikodanaka Nakahara-Ku, Kawasaki 211, Japan
*Hitachi, Ltd., 6, Kanda Surugadai 4-Chome, Chiyoda-ku, Tokyo 101, Japan
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <stdlib.h>
#include <DtMail/DtMailServer.hh>
#include "md5.h"
APOPServer::APOPServer(
char *folder,
DtMail::Session *session,
DtMail::MailBox *mailbox,
DtMailAppendCallback append_mailbox_cb,
void *append_mailbox_cb_data)
: POP3Server(folder, session, mailbox,
append_mailbox_cb, append_mailbox_cb_data)
{
}
APOPServer::~APOPServer()
{
}
//
// Apply for connection authorization.
//
DTMailError_t
APOPServer::ptrans_authorize(char *greeting)
{
static const char
*pname = "APOPServer::ptrans_authorize";
static char ascii_digest [33];
char *start,*end;
char *msg;
DTMailError_t ok;
// Build MD5 digest from greeting timestamp + password.
// Find start of timestamp.
for (start = greeting; *start != 0 && *start != '<'; start++)
continue;
if (*start == 0)
{
_logger.logError(
DTM_FALSE,
"%s: APOP timestamp not found in greeting",
pname);
return DTME_MailServerAccess_AuthorizationFailed;
}
// Find end of timestamp.
for (end = start; *end != 0 && *end != '>'; end++)
continue;
if (*end == 0 || end == start + 1)
{
_logger.logError(
DTM_FALSE,
"%s: APOP timestamp not found in greeting",
pname);
return DTME_MailServerAccess_AuthorizationFailed;
}
else
*++end = '\0';
{
int i;
MD5_CTX context;
unsigned char digest[16];
// Copy timestamp and password into digestion buffer.
msg = (char*) malloc((end-start+1) + strlen(_password) + 1);
strcpy(msg, start);
strcat(msg, _password);
MD5Init(&context);
MD5Update(&context, (unsigned char*) msg, strlen(msg));
for (i = 0; i < 16; i++)
sprintf(ascii_digest+2*i, "%02x", digest[i]);
free(msg);
}
ok = do_transaction("APOP %s %s", _username, ascii_digest);
if (DTME_NoError != ok) return DTME_MailServerAccess_AuthorizationFailed;
return DTME_NoError;
}