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MailSvr.cpp
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MailSvr.cpp
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/*
* XMail by Davide Libenzi (Intranet and Internet mail server)
* Copyright (C) 1999,..,2010 Davide Libenzi
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Davide Libenzi <[email protected]>
*
*/
#include "SysInclude.h"
#include "SysDep.h"
#include "SvrDefines.h"
#include "SList.h"
#include "ShBlocks.h"
#include "StrUtils.h"
#include "BuffSock.h"
#include "MailConfig.h"
#include "MiscUtils.h"
#include "SSLBind.h"
#include "ResLocks.h"
#include "POP3Svr.h"
#include "SMTPSvr.h"
#include "SMAILSvr.h"
#include "PSYNCSvr.h"
#include "DNS.h"
#include "DNSCache.h"
#include "UsrUtils.h"
#include "SvrUtils.h"
#include "MessQueue.h"
#include "SMAILUtils.h"
#include "QueueUtils.h"
#include "ExtAliases.h"
#include "AliasDomain.h"
#include "MailDomains.h"
#include "POP3GwLink.h"
#include "CTRLSvr.h"
#include "FINGSvr.h"
#include "LMAILSvr.h"
#include "AppDefines.h"
#include "MailSvr.h"
#if 0 /* [i_a] */
#define ENV_MAIN_PATH "MAIL_ROOT"
#define ENV_CMD_LINE "MAIL_CMD_LINE"
#define SVR_SHUTDOWN_FILE ".shutdown"
#endif
#define STD_SMAIL_THREADS 16
#define MAX_SMAIL_THREADS 256
#define STD_SMAIL_RETRY_TIMEOUT 480
#define STD_SMAIL_RETRY_INCR_RATIO 16
#define STD_SMAIL_MAX_RETRY 32
#define STD_PSYNC_INTERVAL 120
#define STD_PSYNC_NUM_THREADS 8
#define MAX_PSYNC_NUM_THREADS 32
#define STD_POP3_BADLOGIN_WAIT 5
#define MAX_POP3_THREADS 1024
#define MAX_SMTP_THREADS 1024
#define STD_SMTP_MAX_RCPTS 100
#define MAX_CTRL_THREADS 512
#define STD_LMAIL_THREADS 3
#define MAX_LMAIL_THREADS 17
#define STD_LMAILTHREAD_SLEEP_TIME 2
#define SVR_EXIT_WAIT 480
#define STD_SERVER_SESSION_TIMEOUT 90000
#define MAX_CLIENTS_WAIT 300
#define CTRL_SERVER_SESSION_TIMEOUT 120000
#define SERVER_SLEEP_TIMESLICE 2
#define SHUTDOWN_CHECK_TIME 2
#define STD_POP3AUTH_EXPIRE_TIME (15 * 60)
#define FILTER_TIMEOUT 90000
#define SVR_MAX_SERVICES 32
enum SvrServices {
SVC_SMAIL = 0,
SVC_CTRL,
SVC_CRTLS,
SVC_POP3,
SVC_SMTP,
SVC_FING,
SVC_LMAIL,
SVC_PSYNC,
SVC_SMTPS,
SVC_POP3S,
SVC_CTRLS,
SVC_MAX
};
struct SvrShutdownCtx {
void (*pfShutdown)(void *);
void *pPrivate;
};
/* External visible variabiles */
SHB_HANDLE hShbFING;
SHB_HANDLE hShbCTRL;
SHB_HANDLE hShbPOP3;
SHB_HANDLE hShbSMTP;
SHB_HANDLE hShbSMAIL;
SHB_HANDLE hShbPSYNC;
SHB_HANDLE hShbLMAIL;
char szMailPath[SYS_MAX_PATH];
QUEUE_HANDLE hSpoolQueue;
SYS_SEMAPHORE hSyncSem;
bool bServerDebug = false; /* [i_a] */
int iFilterTimeout = FILTER_TIMEOUT;
bool bFilterLogEnabled = false;
int iLogRotateHours = LOG_ROTATE_HOURS;
int iQueueSplitLevel = STD_QUEUEFS_DIRS_X_LEVEL;
int iAddrFamily = AF_INET;
int iPOP3ClientTimeout = STD_SERVER_TIMEOUT;
#ifdef __UNIX__
int iMailboxType = XMAIL_MAILDIR;
#else
int iMailboxType = XMAIL_MAILBOX;
#endif
/* Local visible variabiles */
static int iNumShCtxs;
static SvrShutdownCtx ShCtxs[SVR_MAX_SERVICES];
static char szShutdownFile[SYS_MAX_PATH];
static bool bServerShutdown = false;
static int iNumSMAILThreads;
static int iNumLMAILThreads;
static SYS_THREAD hCTRLThread;
static ThreadConfig ThCfgCTRL = {0};
static SYS_THREAD hCTRLSThread;
static ThreadConfig ThCfgCTRLS = {0};
static SYS_THREAD hFINGThread;
static ThreadConfig ThCfgFING = {0};
static SYS_THREAD hPOP3Thread;
static ThreadConfig ThCfgPOP3 = {0};
static SYS_THREAD hPOP3SThread;
static ThreadConfig ThCfgPOP3S = {0};
static SYS_THREAD hSMTPThread;
static ThreadConfig ThCfgSMTP = {0};
static SYS_THREAD hSMTPSThread;
static ThreadConfig ThCfgSMTPS = {0};
static SYS_THREAD hSMAILThreads[MAX_SMAIL_THREADS];
static SYS_THREAD hLMAILThreads[MAX_LMAIL_THREADS];
static SYS_THREAD hPSYNCThread;
static void SvrShutdownCleanup(void)
{
CheckRemoveFile(szShutdownFile);
bServerShutdown = false;
}
static int SvrSetShutdown(void)
{
/* Set the shutdown flag and shutdown the library */
bServerShutdown = true;
SysShutdownLibrary();
FILE *pFile = fopen(szShutdownFile, "wt");
if (pFile == NULL) {
ErrSetErrorCode(ERR_FILE_CREATE, szShutdownFile);
return ERR_FILE_CREATE;
}
char szShutdownTimeStr[256];
MscGetTimeStr(szShutdownTimeStr, sizeof(szShutdownTimeStr));
fprintf(pFile, "%s\n", szShutdownTimeStr);
fclose(pFile);
return 0;
}
static int SvrAddShutdown(void (*pfShutdown)(void *), void *pPrivate)
{
if (iNumShCtxs >= SVR_MAX_SERVICES)
return -1;
ShCtxs[iNumShCtxs].pfShutdown = pfShutdown;
ShCtxs[iNumShCtxs].pPrivate = pPrivate;
return iNumShCtxs++;
}
static void SvrDoShutdown(void)
{
int i;
for (i = iNumShCtxs - 1; i >= 0; i--)
(*ShCtxs[i].pfShutdown)(ShCtxs[i].pPrivate);
}
static void SvrShutdown__ThreadConfig(void *pPrivate)
{
ThreadConfig *pThCfg = (ThreadConfig *) pPrivate;
pThCfg->ulFlags |= THCF_SHUTDOWN;
}
static int SvrAddServerAddress(char const *pszServer, SYS_INET_ADDR *pSvrAddr,
int *piPos, int iSize)
{
int iError;
if (*piPos >= iSize) {
ErrSetErrorCode(ERR_TOO_MANY_ELEMENTS);
return ERR_TOO_MANY_ELEMENTS;
}
if ((iError = MscGetServerAddress(pszServer, pSvrAddr[*piPos])) < 0)
return iError;
(*piPos)++;
return 0;
}
static long SvrThreadCntCTRL(ThreadConfig const *pThCfg)
{
long lThreadCnt = 0;
CTRLConfig *pCTRLCfg = (CTRLConfig *) ShbLock(pThCfg->hThShb);
if (pCTRLCfg != NULL) {
lThreadCnt = pCTRLCfg->lThreadCount;
ShbUnlock(pThCfg->hThShb);
}
return lThreadCnt;
}
static void SvrCleanupCTRL(void)
{
if (hCTRLThread != SYS_INVALID_THREAD) {
SysWaitThread(hCTRLThread, SVR_EXIT_WAIT);
SysCloseThread(hCTRLThread, 1);
}
ShbCloseBlock(hShbCTRL);
for (; ThCfgCTRL.iNumSockFDs > 0; ThCfgCTRL.iNumSockFDs--)
SysCloseSocket(ThCfgCTRL.SockFDs[ThCfgCTRL.iNumSockFDs - 1]);
}
static int SvrSetupCTRL(int iArgCount, char *pszArgs[])
{
int iPort = STD_CTRL_PORT, iDisable = 0, iFamily = AF_INET;
int iSessionTimeout = CTRL_SERVER_SESSION_TIMEOUT;
long lMaxThreads = MAX_CTRL_THREADS;
unsigned long ulFlags = 0;
/*
* Initialize the service thread handle to SYS_INVALID_THREAD so that
* we can detect the service being disabled in the cleanup function.
*/
hCTRLThread = SYS_INVALID_THREAD;
ZeroData(ThCfgCTRL);
ThCfgCTRL.pszName = CTRL_SERVER_NAME;
ThCfgCTRL.pfThreadProc = CTRLClientThread;
ThCfgCTRL.pfThreadCnt = SvrThreadCntCTRL;
for (int i = 0; i < iArgCount; i++) {
if (pszArgs[i][0] != '-' || pszArgs[i][1] != 'C')
continue;
switch (pszArgs[i][2]) {
case 'p':
if (++i < iArgCount)
iPort = atoi(pszArgs[i]);
break;
case 't':
if (++i < iArgCount)
iSessionTimeout = atoi(pszArgs[i]) * 1000;
break;
case 'l':
ulFlags |= CTRLF_LOG_ENABLED;
break;
case 'I':
/* [i_a] add sanity check: do not accept more '-X ip:port' options than we have space in the SvrAddr[] array */
if (MAX_ACCEPT_ADDRESSES <= ThCfgCTRL.iNumAddr)
{
ErrSetErrorCode(ERR_I_ARG_TOO_MANY_IP_PORT_COMBOS, CTRL_SERVER_NAME);
return ErrGetErrorCode();
}
if (++i < iArgCount &&
SvrAddServerAddress(pszArgs[i], ThCfgCTRL.SvrAddr,
&ThCfgCTRL.iNumAddr,
CountOf(ThCfgCTRL.SvrAddr)) < 0)
return ErrGetErrorCode();
break;
case 'X':
if (++i < iArgCount)
lMaxThreads = atol(pszArgs[i]);
break;
case '-':
iDisable++;
break;
case '6':
iFamily = AF_INET6;
break;
}
}
if ((hShbCTRL = ShbCreateBlock(sizeof(CTRLConfig))) == SHB_INVALID_HANDLE)
return ErrGetErrorCode();
CTRLConfig *pCTRLCfg = (CTRLConfig *) ShbLock(hShbCTRL);
if (pCTRLCfg == NULL) {
ErrorPush();
ShbCloseBlock(hShbCTRL);
return ErrorPop();
}
pCTRLCfg->ulFlags = ulFlags;
pCTRLCfg->lThreadCount = 0;
pCTRLCfg->lMaxThreads = lMaxThreads;
pCTRLCfg->iSessionTimeout = iSessionTimeout;
pCTRLCfg->iTimeout = STD_SERVER_TIMEOUT;
ShbUnlock(hShbCTRL);
if (iDisable)
return 0;
if (MscCreateServerSockets(ThCfgCTRL.iNumAddr, ThCfgCTRL.SvrAddr, iFamily,
iPort, CTRL_LISTEN_SIZE, ThCfgCTRL.SockFDs,
ThCfgCTRL.iNumSockFDs) < 0) {
ShbCloseBlock(hShbCTRL);
return ErrGetErrorCode();
}
ThCfgCTRL.hThShb = hShbCTRL;
if ((hCTRLThread = SysCreateThread(MscServiceThread,
&ThCfgCTRL)) == SYS_INVALID_THREAD) {
ErrorPush();
ShbCloseBlock(hShbCTRL);
for (; ThCfgCTRL.iNumSockFDs > 0; ThCfgCTRL.iNumSockFDs--)
SysCloseSocket(ThCfgCTRL.SockFDs[ThCfgCTRL.iNumSockFDs - 1]);
return ErrorPop();
}
/*
* Register the shutdown function.
*/
SvrAddShutdown(SvrShutdown__ThreadConfig, &ThCfgCTRL);
return 0;
}
static int SvrSetupCTRLS(int iArgCount, char *pszArgs[])
{
int iPort = STD_CTRLS_PORT, iFamily = AF_INET;
/*
* Initialize the service thread handle to SYS_INVALID_THREAD so that
* we can detect the service being disabled in the cleanup function.
*/
hCTRLSThread = SYS_INVALID_THREAD;
ZeroData(ThCfgCTRLS);
ThCfgCTRLS.pszName = CTRLS_SERVER_NAME;
ThCfgCTRLS.pfThreadProc = CTRLClientThread;
ThCfgCTRLS.pfThreadCnt = SvrThreadCntCTRL;
ThCfgCTRLS.ulFlags = THCF_USE_SSL;
ThCfgCTRLS.hThShb = hShbCTRL;
for (int i = 0; i < iArgCount; i++) {
if (pszArgs[i][0] != '-' || pszArgs[i][1] != 'W')
continue;
switch (pszArgs[i][2]) {
case 'p':
if (++i < iArgCount)
iPort = atoi(pszArgs[i]);
break;
case 'I':
/* [i_a] add sanity check: do not accept more '-X ip:port' options than we have space in the SvrAddr[] array */
if (MAX_ACCEPT_ADDRESSES <= ThCfgCTRL.iNumAddr)
{
ErrSetErrorCode(ERR_I_ARG_TOO_MANY_IP_PORT_COMBOS, CTRLS_SERVER_NAME);
return ErrGetErrorCode();
}
if (++i < iArgCount &&
SvrAddServerAddress(pszArgs[i], ThCfgCTRLS.SvrAddr,
&ThCfgCTRLS.iNumAddr,
CountOf(ThCfgCTRLS.SvrAddr)) < 0)
return ErrGetErrorCode();
break;
case '-':
return 0;
case '6':
iFamily = AF_INET6;
break;
}
}
if (MscCreateServerSockets(ThCfgCTRLS.iNumAddr, ThCfgCTRLS.SvrAddr, iFamily,
iPort, CTRL_LISTEN_SIZE, ThCfgCTRLS.SockFDs,
ThCfgCTRLS.iNumSockFDs) < 0)
return ErrGetErrorCode();
if ((hCTRLSThread = SysCreateThread(MscServiceThread,
&ThCfgCTRLS)) == SYS_INVALID_THREAD) {
ErrorPush();
for (; ThCfgCTRLS.iNumSockFDs > 0; ThCfgCTRLS.iNumSockFDs--)
SysCloseSocket(ThCfgCTRLS.SockFDs[ThCfgCTRLS.iNumSockFDs - 1]);
return ErrorPop();
}
/*
* Register the shutdown function.
*/
SvrAddShutdown(SvrShutdown__ThreadConfig, &ThCfgCTRLS);
return 0;
}
static void SvrCleanupCTRLS(void)
{
if (hCTRLSThread != SYS_INVALID_THREAD) {
SysWaitThread(hCTRLSThread, SVR_EXIT_WAIT);
SysCloseThread(hCTRLSThread, 1);
}
for (; ThCfgCTRLS.iNumSockFDs > 0; ThCfgCTRLS.iNumSockFDs--)
SysCloseSocket(ThCfgCTRLS.SockFDs[ThCfgCTRLS.iNumSockFDs - 1]);
}
static long SvrThreadCntFING(ThreadConfig const *pThCfg)
{
long lThreadCnt = 0;
FINGConfig *pFINGCfg = (FINGConfig *) ShbLock(pThCfg->hThShb);
if (pFINGCfg != NULL) {
lThreadCnt = pFINGCfg->lThreadCount;
ShbUnlock(pThCfg->hThShb);
}
return lThreadCnt;
}
static void SvrCleanupFING(void)
{
if (hFINGThread != SYS_INVALID_THREAD) {
SysWaitThread(hFINGThread, SVR_EXIT_WAIT);
SysCloseThread(hFINGThread, 1);
}
ShbCloseBlock(hShbFING);
for (; ThCfgFING.iNumSockFDs > 0; ThCfgFING.iNumSockFDs--)
SysCloseSocket(ThCfgFING.SockFDs[ThCfgFING.iNumSockFDs - 1]);
}
static int SvrSetupFING(int iArgCount, char *pszArgs[])
{
int iPort = STD_FINGER_PORT, iDisable = 0, iFamily = AF_INET;
unsigned long ulFlags = 0;
/*
* Initialize the service thread handle to SYS_INVALID_THREAD so that
* we can detect the service being disabled in the cleanup function.
*/
hFINGThread = SYS_INVALID_THREAD;
ZeroData(ThCfgFING);
ThCfgFING.pszName = FING_SERVER_NAME;
ThCfgFING.pfThreadProc = FINGClientThread;
ThCfgFING.pfThreadCnt = SvrThreadCntFING;
for (int i = 0; i < iArgCount; i++) {
if (pszArgs[i][0] != '-' || pszArgs[i][1] != 'F')
continue;
switch (pszArgs[i][2]) {
case 'p':
if (++i < iArgCount)
iPort = atoi(pszArgs[i]);
break;
case 'l':
ulFlags |= FINGF_LOG_ENABLED;
break;
case 'I':
/* [i_a] add sanity check: do not accept more '-X ip:port' options than we have space in the SvrAddr[] array */
if (MAX_ACCEPT_ADDRESSES <= ThCfgCTRL.iNumAddr)
{
ErrSetErrorCode(ERR_I_ARG_TOO_MANY_IP_PORT_COMBOS, FING_SERVER_NAME);
return ErrGetErrorCode();
}
if (++i < iArgCount &&
SvrAddServerAddress(pszArgs[i], ThCfgFING.SvrAddr,
&ThCfgFING.iNumAddr,
CountOf(ThCfgFING.SvrAddr)) < 0)
return ErrGetErrorCode();
break;
case '-':
iDisable++;
break;
case '6':
iFamily = AF_INET6;
break;
}
}
if ((hShbFING = ShbCreateBlock(sizeof(FINGConfig))) == SHB_INVALID_HANDLE)
return ErrGetErrorCode();
FINGConfig *pFINGCfg = (FINGConfig *) ShbLock(hShbFING);
if (pFINGCfg == NULL) {
ShbCloseBlock(hShbFING);
return ErrGetErrorCode();
}
pFINGCfg->ulFlags = ulFlags;
pFINGCfg->lThreadCount = 0;
pFINGCfg->iTimeout = STD_SERVER_TIMEOUT;
ShbUnlock(hShbFING);
if (iDisable)
return 0;
if (MscCreateServerSockets(ThCfgFING.iNumAddr, ThCfgFING.SvrAddr, iFamily,
iPort, FING_LISTEN_SIZE, ThCfgFING.SockFDs,
ThCfgFING.iNumSockFDs) < 0) {
ShbCloseBlock(hShbFING);
return ErrGetErrorCode();
}
ThCfgFING.hThShb = hShbFING;
if ((hFINGThread = SysCreateThread(MscServiceThread,
&ThCfgFING)) == SYS_INVALID_THREAD) {
ErrorPush();
ShbCloseBlock(hShbFING);
for (; ThCfgFING.iNumSockFDs > 0; ThCfgFING.iNumSockFDs--)
SysCloseSocket(ThCfgFING.SockFDs[ThCfgFING.iNumSockFDs - 1]);
return ErrorPop();
}
/*
* Register the shutdown function.
*/
SvrAddShutdown(SvrShutdown__ThreadConfig, &ThCfgFING);
return 0;
}
static long SvrThreadCntPOP3(ThreadConfig const *pThCfg)
{
long lThreadCnt = 0;
POP3Config *pPOP3Cfg = (POP3Config *) ShbLock(pThCfg->hThShb);
if (pPOP3Cfg != NULL) {
lThreadCnt = pPOP3Cfg->lThreadCount;
ShbUnlock(pThCfg->hThShb);
}
return lThreadCnt;
}
static void SvrCleanupPOP3(void)
{
if (hPOP3Thread != SYS_INVALID_THREAD) {
SysWaitThread(hPOP3Thread, SVR_EXIT_WAIT);
SysCloseThread(hPOP3Thread, 1);
}
ShbCloseBlock(hShbPOP3);
for (; ThCfgPOP3.iNumSockFDs > 0; ThCfgPOP3.iNumSockFDs--)
SysCloseSocket(ThCfgPOP3.SockFDs[ThCfgPOP3.iNumSockFDs - 1]);
}
static int SvrSetupPOP3(int iArgCount, char *pszArgs[])
{
int iPort = STD_POP3_PORT, iDisable = 0, iFamily = AF_INET;
int iSessionTimeout = STD_SERVER_SESSION_TIMEOUT;
int iBadLoginWait = STD_POP3_BADLOGIN_WAIT;
long lMaxThreads = MAX_POP3_THREADS;
unsigned long ulFlags = 0;
/*
* Initialize the service thread handle to SYS_INVALID_THREAD so that
* we can detect the service being disabled in the cleanup function.
*/
hPOP3Thread = SYS_INVALID_THREAD;
ZeroData(ThCfgPOP3);
ThCfgPOP3.pszName = POP3_SERVER_NAME;
ThCfgPOP3.pfThreadProc = POP3ClientThread;
ThCfgPOP3.pfThreadCnt = SvrThreadCntPOP3;
for (int i = 0; i < iArgCount; i++) {
if (pszArgs[i][0] != '-' || pszArgs[i][1] != 'P')
continue;
switch (pszArgs[i][2]) {
case 'p':
if (++i < iArgCount)
iPort = atoi(pszArgs[i]);
break;
case 't':
if (++i < iArgCount)
iSessionTimeout = atoi(pszArgs[i]) * 1000;
break;
case 'w':
if (++i < iArgCount)
iBadLoginWait = atoi(pszArgs[i]);
break;
case 'l':
ulFlags |= POP3F_LOG_ENABLED;
break;
case 'h':
ulFlags |= POP3F_HANG_ON_BADLOGIN;
break;
case 'I':
/* [i_a] add sanity check: do not accept more '-X ip:port' options than we have space in the SvrAddr[] array */
if (MAX_ACCEPT_ADDRESSES <= ThCfgCTRL.iNumAddr)
{
ErrSetErrorCode(ERR_I_ARG_TOO_MANY_IP_PORT_COMBOS, POP3_SERVER_NAME);
return ErrGetErrorCode();
}
if (++i < iArgCount &&
SvrAddServerAddress(pszArgs[i], ThCfgPOP3.SvrAddr,
&ThCfgPOP3.iNumAddr,
CountOf(ThCfgPOP3.SvrAddr)) < 0)
return ErrGetErrorCode();
break;
case 'X':
if (++i < iArgCount)
lMaxThreads = atol(pszArgs[i]);
break;
case '-':
iDisable++;
break;
case '6':
iFamily = AF_INET6;
break;
}
}
if ((hShbPOP3 = ShbCreateBlock(sizeof(POP3Config))) == SHB_INVALID_HANDLE)
return ErrGetErrorCode();
POP3Config *pPOP3Cfg = (POP3Config *) ShbLock(hShbPOP3);
if (pPOP3Cfg == NULL) {
ShbCloseBlock(hShbPOP3);
return ErrGetErrorCode();
}
pPOP3Cfg->ulFlags = ulFlags;
pPOP3Cfg->lThreadCount = 0;
pPOP3Cfg->lMaxThreads = lMaxThreads;
pPOP3Cfg->iSessionTimeout = iSessionTimeout;
pPOP3Cfg->iTimeout = STD_SERVER_TIMEOUT;
pPOP3Cfg->iBadLoginWait = iBadLoginWait;
ShbUnlock(hShbPOP3);
if (iDisable)
return 0;
/* Remove POP3 lock files */
UsrClearPop3LocksDir();
if (MscCreateServerSockets(ThCfgPOP3.iNumAddr, ThCfgPOP3.SvrAddr, iFamily,
iPort, POP3_LISTEN_SIZE, ThCfgPOP3.SockFDs,
ThCfgPOP3.iNumSockFDs) < 0) {
ShbCloseBlock(hShbPOP3);
return ErrGetErrorCode();
}
ThCfgPOP3.hThShb = hShbPOP3;
if ((hPOP3Thread = SysCreateThread(MscServiceThread,
&ThCfgPOP3)) == SYS_INVALID_THREAD) {
ErrorPush();
ShbCloseBlock(hShbPOP3);
for (; ThCfgPOP3.iNumSockFDs > 0; ThCfgPOP3.iNumSockFDs--)
SysCloseSocket(ThCfgPOP3.SockFDs[ThCfgPOP3.iNumSockFDs - 1]);
return ErrorPop();
}
/*
* Register the shutdown function.
*/
SvrAddShutdown(SvrShutdown__ThreadConfig, &ThCfgPOP3);
return 0;
}
static int SvrSetupPOP3S(int iArgCount, char *pszArgs[])
{
int iPort = STD_POP3S_PORT, iFamily = AF_INET;
/*
* Initialize the service thread handle to SYS_INVALID_THREAD so that
* we can detect the service being disabled in the cleanup function.
*/
hPOP3SThread = SYS_INVALID_THREAD;
ZeroData(ThCfgPOP3S);
ThCfgPOP3S.pszName = POP3S_SERVER_NAME;
ThCfgPOP3S.pfThreadProc = POP3ClientThread;
ThCfgPOP3S.pfThreadCnt = SvrThreadCntPOP3;
ThCfgPOP3S.ulFlags = THCF_USE_SSL;
ThCfgPOP3S.hThShb = hShbPOP3;
for (int i = 0; i < iArgCount; i++) {
if (pszArgs[i][0] != '-' || pszArgs[i][1] != 'B')
continue;
switch (pszArgs[i][2]) {
case 'p':
if (++i < iArgCount)
iPort = atoi(pszArgs[i]);
break;
case 'I':
/* [i_a] add sanity check: do not accept more '-X ip:port' options than we have space in the SvrAddr[] array */
if (MAX_ACCEPT_ADDRESSES <= ThCfgCTRL.iNumAddr)
{
ErrSetErrorCode(ERR_I_ARG_TOO_MANY_IP_PORT_COMBOS, POP3S_SERVER_NAME);
return ErrGetErrorCode();
}
if (++i < iArgCount &&
SvrAddServerAddress(pszArgs[i], ThCfgPOP3S.SvrAddr,
&ThCfgPOP3S.iNumAddr,
CountOf(ThCfgPOP3S.SvrAddr)) < 0)
return ErrGetErrorCode();
break;
case '-':
return 0;
case '6':
iFamily = AF_INET6;
break;
}
}
if (MscCreateServerSockets(ThCfgPOP3S.iNumAddr, ThCfgPOP3S.SvrAddr, iFamily,
iPort, POP3_LISTEN_SIZE, ThCfgPOP3S.SockFDs,
ThCfgPOP3S.iNumSockFDs) < 0)
return ErrGetErrorCode();
if ((hPOP3SThread = SysCreateThread(MscServiceThread,
&ThCfgPOP3S)) == SYS_INVALID_THREAD) {
ErrorPush();
for (; ThCfgPOP3S.iNumSockFDs > 0; ThCfgPOP3S.iNumSockFDs--)
SysCloseSocket(ThCfgPOP3S.SockFDs[ThCfgPOP3S.iNumSockFDs - 1]);
return ErrorPop();
}
/*
* Register the shutdown function.
*/
SvrAddShutdown(SvrShutdown__ThreadConfig, &ThCfgPOP3S);
return 0;
}
static void SvrCleanupPOP3S(void)
{
if (hPOP3SThread != SYS_INVALID_THREAD) {
SysWaitThread(hPOP3SThread, SVR_EXIT_WAIT);
SysCloseThread(hPOP3SThread, 1);
}
for (; ThCfgPOP3S.iNumSockFDs > 0; ThCfgPOP3S.iNumSockFDs--)
SysCloseSocket(ThCfgPOP3S.SockFDs[ThCfgPOP3S.iNumSockFDs - 1]);
}
static long SvrThreadCntSMTP(ThreadConfig const *pThCfg)
{
long lThreadCnt = 0;
SMTPConfig *pSMTPCfg = (SMTPConfig *) ShbLock(pThCfg->hThShb);
if (pSMTPCfg != NULL) {
lThreadCnt = pSMTPCfg->lThreadCount;
ShbUnlock(pThCfg->hThShb);
}
return lThreadCnt;
}
static void SvrCleanupSMTP(void)
{
if (hSMTPThread != SYS_INVALID_THREAD) {
SysWaitThread(hSMTPThread, SVR_EXIT_WAIT);
SysCloseThread(hSMTPThread, 1);
}
ShbCloseBlock(hShbSMTP);
for (; ThCfgSMTP.iNumSockFDs > 0; ThCfgSMTP.iNumSockFDs--)
SysCloseSocket(ThCfgSMTP.SockFDs[ThCfgSMTP.iNumSockFDs - 1]);
}
static int SvrSetupSMTP(int iArgCount, char *pszArgs[])
{
int iPort = STD_SMTP_PORT, iDisable = 0, iFamily = AF_INET;
int iSessionTimeout = STD_SERVER_SESSION_TIMEOUT;
int iMaxRcpts = STD_SMTP_MAX_RCPTS;
unsigned int uPopAuthExpireTime = STD_POP3AUTH_EXPIRE_TIME;
long lMaxThreads = MAX_SMTP_THREADS;
unsigned long ulFlags = 0;
/*
* Initialize the service thread handle to SYS_INVALID_THREAD so that
* we can detect the service being disabled in the cleanup function.
*/
hSMTPThread = SYS_INVALID_THREAD;
ZeroData(ThCfgSMTP);
ThCfgSMTP.pszName = SMTP_SERVER_NAME;
ThCfgSMTP.pfThreadProc = SMTPClientThread;
ThCfgSMTP.pfThreadCnt = SvrThreadCntSMTP;
for (int i = 0; i < iArgCount; i++) {
if (pszArgs[i][0] != '-' || pszArgs[i][1] != 'S')
continue;
switch (pszArgs[i][2]) {
case 'p':
if (++i < iArgCount)
iPort = atoi(pszArgs[i]);
break;
case 't':
if (++i < iArgCount)
iSessionTimeout = atoi(pszArgs[i]) * 1000;
break;
case 'l':
ulFlags |= SMTPF_LOG_ENABLED;
break;
case 'I':
/* [i_a] add sanity check: do not accept more '-X ip:port' options than we have space in the SvrAddr[] array */
if (MAX_ACCEPT_ADDRESSES <= ThCfgCTRL.iNumAddr)
{
ErrSetErrorCode(ERR_I_ARG_TOO_MANY_IP_PORT_COMBOS, SMTP_SERVER_NAME);
return ErrGetErrorCode();
}
if (++i < iArgCount &&
SvrAddServerAddress(pszArgs[i], ThCfgSMTP.SvrAddr,
&ThCfgSMTP.iNumAddr,
CountOf(ThCfgSMTP.SvrAddr)) < 0)
return ErrGetErrorCode();
break;
case 'X':
if (++i < iArgCount)
lMaxThreads = atol(pszArgs[i]);
break;
case 'r':
if (++i < iArgCount)
iMaxRcpts = atoi(pszArgs[i]);
break;
case 'e':
if (++i < iArgCount)
uPopAuthExpireTime = (unsigned int) atol(pszArgs[i]);
break;
case '-':
iDisable++;
break;
case '6':
iFamily = AF_INET6;
break;
}
}
if ((hShbSMTP = ShbCreateBlock(sizeof(SMTPConfig))) == SHB_INVALID_HANDLE)
return ErrGetErrorCode();
SMTPConfig *pSMTPCfg = (SMTPConfig *) ShbLock(hShbSMTP);
if (pSMTPCfg == NULL) {
ShbCloseBlock(hShbSMTP);
return ErrGetErrorCode();
}
pSMTPCfg->ulFlags = ulFlags;
pSMTPCfg->lThreadCount = 0;
pSMTPCfg->lMaxThreads = lMaxThreads;
pSMTPCfg->iSessionTimeout = iSessionTimeout;
pSMTPCfg->iTimeout = STD_SERVER_TIMEOUT;
pSMTPCfg->iMaxRcpts = iMaxRcpts;
pSMTPCfg->uPopAuthExpireTime = uPopAuthExpireTime;
ShbUnlock(hShbSMTP);
if (iDisable)
return 0;
if (MscCreateServerSockets(ThCfgSMTP.iNumAddr, ThCfgSMTP.SvrAddr, iFamily,
iPort, SMTP_LISTEN_SIZE, ThCfgSMTP.SockFDs,
ThCfgSMTP.iNumSockFDs) < 0) {
ShbCloseBlock(hShbSMTP);
return ErrGetErrorCode();
}
ThCfgSMTP.hThShb = hShbSMTP;
if ((hSMTPThread = SysCreateThread(MscServiceThread,
&ThCfgSMTP)) == SYS_INVALID_THREAD) {
ErrorPush();
ShbCloseBlock(hShbSMTP);
for (; ThCfgSMTP.iNumSockFDs > 0; ThCfgSMTP.iNumSockFDs--)
SysCloseSocket(ThCfgSMTP.SockFDs[ThCfgSMTP.iNumSockFDs - 1]);
return ErrorPop();
}
/*
* Register the shutdown function.
*/
SvrAddShutdown(SvrShutdown__ThreadConfig, &ThCfgSMTP);
return 0;
}
static int SvrSetupSMTPS(int iArgCount, char *pszArgs[])
{
int iPort = STD_SMTPS_PORT, iFamily = AF_INET;
/*
* Initialize the service thread handle to SYS_INVALID_THREAD so that
* we can detect the service being disabled in the cleanup function.
*/
hSMTPSThread = SYS_INVALID_THREAD;
ZeroData(ThCfgSMTPS);
ThCfgSMTPS.pszName = SMTPS_SERVER_NAME;
ThCfgSMTPS.pfThreadProc = SMTPClientThread;
ThCfgSMTPS.pfThreadCnt = SvrThreadCntSMTP;
ThCfgSMTPS.ulFlags = THCF_USE_SSL;
ThCfgSMTPS.hThShb = hShbSMTP;
for (int i = 0; i < iArgCount; i++) {
if (pszArgs[i][0] != '-' || pszArgs[i][1] != 'X')
continue;
switch (pszArgs[i][2]) {
case 'p':
if (++i < iArgCount)
iPort = atoi(pszArgs[i]);
break;
case 'I':
/* [i_a] add sanity check: do not accept more '-X ip:port' options than we have space in the SvrAddr[] array */
if (MAX_ACCEPT_ADDRESSES <= ThCfgCTRL.iNumAddr)
{
ErrSetErrorCode(ERR_I_ARG_TOO_MANY_IP_PORT_COMBOS, SMTPS_SERVER_NAME);
return ErrGetErrorCode();
}
if (++i < iArgCount &&
SvrAddServerAddress(pszArgs[i], ThCfgSMTPS.SvrAddr,
&ThCfgSMTPS.iNumAddr,
CountOf(ThCfgSMTPS.SvrAddr)) < 0)
return ErrGetErrorCode();
break;
case '-':
return 0;
case '6':
iFamily = AF_INET6;
break;
}
}
if (MscCreateServerSockets(ThCfgSMTPS.iNumAddr, ThCfgSMTPS.SvrAddr, iFamily,
iPort, SMTP_LISTEN_SIZE, ThCfgSMTPS.SockFDs,
ThCfgSMTPS.iNumSockFDs) < 0)
return ErrGetErrorCode();
if ((hSMTPSThread = SysCreateThread(MscServiceThread,
&ThCfgSMTPS)) == SYS_INVALID_THREAD) {
ErrorPush();
for (; ThCfgSMTPS.iNumSockFDs > 0; ThCfgSMTPS.iNumSockFDs--)
SysCloseSocket(ThCfgSMTPS.SockFDs[ThCfgSMTPS.iNumSockFDs - 1]);
return ErrorPop();
}
/*
* Register the shutdown function.