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MiscUtils.cpp
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MiscUtils.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 <davidel@xmailserver.org>
*
*/
#include "SysInclude.h"
#include "SysDep.h"
/* [i_a] */
#include "SysAssert.h"
#include "SvrDefines.h"
#include "ShBlocks.h"
#include "StrUtils.h"
#include "SList.h"
#include "Hash.h"
#include "MD5.h"
#include "Base64Enc.h"
#include "BuffSock.h"
#include "SSLBind.h"
#include "MailConfig.h"
#include "UsrUtils.h"
#include "SvrUtils.h"
#include "MessQueue.h"
#include "SSLMisc.h"
#include "MailSvr.h"
#include "MiscUtils.h"
#define IPPROP_LINE_MAX 1024
#define SERVICE_ACCEPT_TIMEOUT 4000
#define SERVICE_WAIT_SLEEP 2
#define MAX_CLIENTS_WAIT 300
#define MAX_RND_TIME 600
enum IPMapFileds {
ipmFromIP = 0,
ipmFromMask,
ipmAllow,
ipmPrecedence,
ipmMax
};
struct FileScan {
SysListHead FList;
SysListHead *pPos;
};
int MscDatumAlloc(Datum *pDm, void const *pData, long lSize)
{
if ((pDm->pData = (char *) SysAllocNZ(lSize + 1)) == NULL)
return ErrGetErrorCode();
memcpy(pDm->pData, pData, lSize);
pDm->pData[lSize] = 0;
pDm->lSize = lSize;
return 0;
}
LstDatum *MscLstDatumAlloc(void const *pData, long lSize)
{
LstDatum *pLDm = (LstDatum *) SysAlloc(sizeof(LstDatum));
if (pLDm != NULL) {
SYS_INIT_LIST_HEAD(&pLDm->LLnk);
if (MscDatumAlloc(&pLDm->Data, pData, lSize) < 0) {
SysFree(pLDm);
return NULL;
}
}
return pLDm;
}
int MscLstDatumAddT(SysListHead *pHead, void const *pData, long lSize)
{
LstDatum *pLDm = MscLstDatumAlloc(pData, lSize);
if (pLDm == NULL)
return ErrGetErrorCode();
SYS_LIST_ADDT(&pLDm->LLnk, pHead);
return 0;
}
void MscFreeDatumList(SysListHead *pHead)
{
SysListHead *pLLink;
while ((pLLink = SYS_LIST_FIRST(pHead)) != NULL) {
LstDatum *pLDm = SYS_LIST_ENTRY(pLLink, LstDatum, LLnk);
SYS_LIST_DEL(pLLink);
SysFree(pLDm->Data.pData);
SysFree(pLDm);
}
}
int MscUniqueFile(char const *pszDir, char *pszFilePath, int iMaxPath)
{
/*
* Get thread ID and host name. We do not use atomic inc on ulUniqSeq, since
* collision is prevented by the thread and process IDs.
*/
static unsigned long ulUniqSeq = 0;
unsigned long ulThreadID = SysGetCurrentThreadId();
unsigned long ulProcessID = SysGetCurrentProcessId();
SYS_INT64 iMsTime = SysMsTime();
char szHostName[MAX_HOST_NAME] = "";
gethostname(szHostName, sizeof(szHostName) - 1);
SysSNPrintf(pszFilePath, iMaxPath,
"%s" SYS_SLASH_STR SYS_LLU_FMT ".%lx.%lx.%lx.%s",
pszDir, iMsTime, ulThreadID, ulProcessID, ulUniqSeq++, szHostName);
return 0;
}
void MscSafeGetTmpFile(char *pszPath, int iMaxPath)
{
time_t tmNow;
unsigned long ulID;
SYS_INT64 MsTime;
md5_ctx_t MCtx;
char szTempDir[SYS_MAX_PATH], szMD5[128];
static time_t tmRnd;
static unsigned char RndBytes[64];
if ((tmNow = time(NULL)) > tmRnd + MAX_RND_TIME) {
SSLGetRandBytes(RndBytes, sizeof(RndBytes));
tmRnd = tmNow;
}
md5_init(&MCtx);
MsTime = SysMsTime();
md5_update(&MCtx, (unsigned char *) &MsTime, sizeof(MsTime));
ulID = SysGetCurrentProcessId();
md5_update(&MCtx, (unsigned char *) &ulID, sizeof(ulID));
ulID = SysGetCurrentThreadId();
md5_update(&MCtx, (unsigned char *) &ulID, sizeof(ulID));
ulID = rand();
md5_update(&MCtx, (unsigned char *) &ulID, sizeof(ulID));
md5_update(&MCtx, RndBytes, sizeof(RndBytes));
md5_final(&MCtx);
md5_hex(MCtx.digest, szMD5);
SysGetTempDir(szTempDir, sizeof(szTempDir));
SysSNPrintf(pszPath, iMaxPath, "%s%s.xtmp", szTempDir, szMD5);
}
int MscRecvTextFile(char const *pszFileName, BSOCK_HANDLE hBSock, int iTimeout,
int (*pStopProc) (void *), void *pParam)
{
FILE *pFile = fopen(pszFileName, "wt");
char szBuffer[2048];
if (pFile == NULL) {
ErrSetErrorCode(ERR_FILE_CREATE, pszFileName);
return ERR_FILE_CREATE;
}
while (BSckGetString(hBSock, szBuffer, sizeof(szBuffer) - 1, iTimeout) != NULL) {
if (strcmp(szBuffer, ".") == 0)
break;
if (szBuffer[0] == '.')
fprintf(pFile, "%s\n", szBuffer + 1);
else
fprintf(pFile, "%s\n", szBuffer);
if (pStopProc != NULL && (*pStopProc)(pParam)) {
fclose(pFile);
return ErrGetErrorCode();
}
}
fclose(pFile);
return 0;
}
int MscSendTextFile(char const *pszFileName, BSOCK_HANDLE hBSock, int iTimeout,
int (*pStopProc) (void *), void *pParam)
{
FILE *pFile = fopen(pszFileName, "rt");
char szBuffer[2048];
if (pFile == NULL) {
ErrSetErrorCode(ERR_FILE_OPEN, pszFileName);
return ERR_FILE_OPEN;
}
while (MscFGets(szBuffer, sizeof(szBuffer) - 1, pFile) != NULL) {
if (szBuffer[0] == '.')
for (int i = (int)strlen(szBuffer); i >= 0; i--)
szBuffer[i + 1] = szBuffer[i];
if (BSckSendString(hBSock, szBuffer, iTimeout) <= 0) {
fclose(pFile);
return ErrGetErrorCode();
}
if (pStopProc != NULL && (*pStopProc)(pParam)) {
fclose(pFile);
return ErrGetErrorCode();
}
}
if (ferror(pFile)) {
fclose(pFile);
ErrSetErrorCode(ERR_FILE_READ, pszFileName);
return ERR_FILE_READ;
}
fclose(pFile);
return BSckSendString(hBSock, ".", iTimeout);
}
int MscSendFileCRLF(char const *pszFilePath, BSOCK_HANDLE hBSock, int iTimeout)
{
int iLength;
FILE *pFile;
char szBuffer[2048];
if ((pFile = fopen(pszFilePath, "rb")) == NULL) {
ErrSetErrorCode(ERR_FILE_OPEN, pszFilePath);
return ERR_FILE_OPEN;
}
while (fgets(szBuffer, sizeof(szBuffer) - 1, pFile) != NULL) {
iLength = (int)strlen(szBuffer);
if (szBuffer[iLength - 1] == '\r')
szBuffer[iLength++] = '\n';
else if (szBuffer[iLength - 1] == '\n' &&
(iLength < 2 || szBuffer[iLength - 2] != '\r')) {
szBuffer[iLength - 1] = '\r';
szBuffer[iLength++] = '\n';
}
if (BSckSendData(hBSock, szBuffer, iLength, iTimeout) < 0) {
fclose(pFile);
return ErrGetErrorCode();
}
}
if (ferror(pFile)) {
fclose(pFile);
ErrSetErrorCode(ERR_FILE_READ, pszFilePath);
return ERR_FILE_READ;
}
fclose(pFile);
return 0;
}
char *MscTranslatePath(char *pszPath)
{
for (int i = 0; pszPath[i] != '\0'; i++) {
switch (pszPath[i]) {
case '/':
case '\\':
pszPath[i] = SYS_SLASH_CHAR;
break;
}
}
return pszPath;
}
void *MscLoadFile(char const *pszFilePath, size_t *pulFileSize)
{
size_t FileSize, RdBytes;
SYS_OFF_T llFileSize;
FILE *pFile;
void *pFileData;
if ((pFile = fopen(pszFilePath, "rb")) == NULL) {
ErrSetErrorCode(ERR_FILE_OPEN, pszFilePath);
return NULL;
}
Sys_fseek(pFile, 0, SEEK_END);
llFileSize = Sys_ftell(pFile);
if (llFileSize >= (1LL << (CHAR_BIT * sizeof(size_t) - 1))) {
fclose(pFile);
ErrSetErrorCode(ERR_TOO_BIG, pszFilePath);
return NULL;
}
FileSize = (size_t) llFileSize;
/*
* Alloc one extra byte to enable placing a '\0' to terminate an eventual
* string representation and to avoid SysAlloc() to fail if ulFileSize == 0
*/
if ((pFileData = SysAlloc(FileSize + 1)) == NULL) {
fclose(pFile);
return NULL;
}
rewind(pFile);
RdBytes = fread(pFileData, FileSize, 1, pFile);
fclose(pFile);
if (RdBytes != FileSize) {
SysFree(pFileData);
ErrSetErrorCode(ERR_FILE_READ, pszFilePath);
return NULL;
}
((char *) pFileData)[FileSize] = 0;
if (pulFileSize != NULL)
*pulFileSize = FileSize;
return pFileData;
}
int MscLockFile(char const *pszFileName, int iMaxWait, int iWaitStep)
{
while (iMaxWait > 0 && SysLockFile(pszFileName) < 0) {
if (SysSleep(iWaitStep) < 0)
return ErrGetErrorCode();
iMaxWait -= iWaitStep;
}
return iMaxWait > 0 ? 0: SysLockFile(pszFileName);
}
int MscGetTimeNbrString(char *pszTimeStr, int iStringSize, time_t tTime)
{
if (tTime == 0)
time(&tTime);
struct tm tmSession;
SysLocalTime(&tTime, &tmSession);
SysSNPrintf(pszTimeStr, iStringSize, "%04d-%02d-%02d %02d:%02d:%02d",
tmSession.tm_year + 1900,
tmSession.tm_mon + 1,
tmSession.tm_mday, tmSession.tm_hour, tmSession.tm_min, tmSession.tm_sec);
return 0;
}
int MscGetTime(struct tm &tmLocal, int &iDiffHours, int &iDiffMins, time_t tCurr)
{
time_t tLocal, tGM;
struct tm tmTimeLOC, tmTimeGM;
if (tCurr == 0)
time(&tCurr);
SysLocalTime(&tCurr, &tmLocal);
tmTimeLOC = tmLocal;
SysGMTime(&tCurr, &tmTimeGM);
tmTimeLOC.tm_isdst = 0;
tmTimeGM.tm_isdst = 0;
tLocal = mktime(&tmTimeLOC);
tGM = mktime(&tmTimeGM);
int iSecsDiff = (int) difftime(tLocal, tGM);
int iSignDiff = Sign(iSecsDiff);
int iMinutes = Abs(iSecsDiff) / 60;
iDiffMins = iMinutes % 60;
iDiffHours = iSignDiff * (iMinutes / 60);
return 0;
}
char *MscStrftime(struct tm const *ptmTime, char *pszDateStr, int iSize)
{
static char const * const pszWDays[] = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
static char const * const pszMonths[] = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
SysSNPrintf(pszDateStr, iSize, "%s, %d %s %d %02d:%02d:%02d",
pszWDays[ptmTime->tm_wday], ptmTime->tm_mday,
pszMonths[ptmTime->tm_mon], ptmTime->tm_year + 1900,
ptmTime->tm_hour, ptmTime->tm_min, ptmTime->tm_sec);
return pszDateStr;
}
int MscGetTimeStr(char *pszTimeStr, int iStringSize, time_t tCurr)
{
int iDiffHours = 0;
int iDiffMins = 0;
struct tm tmTime;
char szDiffTime[128];
MscGetTime(tmTime, iDiffHours, iDiffMins, tCurr);
if (iDiffHours > 0)
sprintf(szDiffTime, " +%02d%02d", iDiffHours, iDiffMins);
else
sprintf(szDiffTime, " -%02d%02d", -iDiffHours, iDiffMins);
MscStrftime(&tmTime, pszTimeStr, iStringSize - (int)strlen(szDiffTime) - 1);
strcat(pszTimeStr, szDiffTime);
return 0;
}
int MscGetDirectorySize(char const *pszPath, bool bRecurse, SYS_OFF_T &llDirSize,
unsigned long &ulNumFiles, int (*pFNValidate) (char const *))
{
char szFileName[SYS_MAX_PATH];
SYS_HANDLE hFind = SysFirstFile(pszPath, szFileName, sizeof(szFileName));
if (hFind == SYS_INVALID_HANDLE)
return ErrGetErrorCode();
llDirSize = 0;
do {
if (SysIsDirectory(hFind)) {
if (bRecurse && SYS_IS_VALID_FILENAME(szFileName)) {
SYS_OFF_T llSubDirSize = 0;
unsigned long ulSubNumFiles = 0;
char szSubPath[SYS_MAX_PATH];
StrSNCpy(szSubPath, pszPath);
AppendSlash(szSubPath);
StrSNCat(szSubPath, szFileName);
if (MscGetDirectorySize(szSubPath, bRecurse, llSubDirSize,
ulSubNumFiles, pFNValidate) < 0) {
ErrorPush();
SysFindClose(hFind);
return ErrorPop();
}
ulNumFiles += ulSubNumFiles;
llDirSize += llSubDirSize;
}
} else if (pFNValidate == NULL || (*pFNValidate)(szFileName)) {
++ulNumFiles;
llDirSize += SysGetSize(hFind);
}
} while (SysNextFile(hFind, szFileName, sizeof(szFileName)));
SysFindClose(hFind);
return 0;
}
FSCAN_HANDLE MscFirstFile(char const *pszPath, int iListDirs, char *pszFileName, int iSize)
{
FileScan *pFS;
LstDatum *pLDm;
pFS = (FileScan *) SysAlloc(sizeof(FileScan));
if (pFS == NULL)
return INVALID_FSCAN_HANDLE;
SYS_INIT_LIST_HEAD(&pFS->FList);
if (MscGetFileList(pszPath, iListDirs, &pFS->FList) < 0) {
SysFree(pFS);
return INVALID_FSCAN_HANDLE;
}
if ((pFS->pPos = SYS_LIST_FIRST(&pFS->FList)) == NULL) {
MscFreeDatumList(&pFS->FList);
SysFree(pFS);
return INVALID_FSCAN_HANDLE;
}
pLDm = SYS_LIST_ENTRY(pFS->pPos, LstDatum, LLnk);
pFS->pPos = SYS_LIST_NEXT(pFS->pPos, &pFS->FList);
StrNCpy(pszFileName, pLDm->Data.pData, iSize);
return (FSCAN_HANDLE) pFS;
}
int MscNextFile(FSCAN_HANDLE hFileScan, char *pszFileName, int iSize)
{
FileScan *pFS = (FileScan *) hFileScan;
LstDatum *pLDm;
if (pFS->pPos == NULL)
return 0;
pLDm = SYS_LIST_ENTRY(pFS->pPos, LstDatum, LLnk);
pFS->pPos = SYS_LIST_NEXT(pFS->pPos, &pFS->FList);
StrNCpy(pszFileName, pLDm->Data.pData, iSize);
return 1;
}
void MscCloseFindFile(FSCAN_HANDLE hFileScan)
{
FileScan *pFS = (FileScan *) hFileScan;
MscFreeDatumList(&pFS->FList);
SysFree(pFS);
}
int MscGetFileList(char const *pszPath, int iListDirs, SysListHead *pHead)
{
char szFileName[SYS_MAX_PATH];
SYS_HANDLE hFind = SysFirstFile(pszPath, szFileName, sizeof(szFileName));
SYS_INIT_LIST_HEAD(pHead);
if (hFind != SYS_INVALID_HANDLE) {
do {
if ((iListDirs || !SysIsDirectory(hFind)) &&
MscLstDatumAddT(pHead, szFileName, (int)strlen(szFileName)) < 0) {
MscFreeDatumList(pHead);
return ErrGetErrorCode();
}
} while (SysNextFile(hFind, szFileName, sizeof(szFileName)));
SysFindClose(hFind);
}
return 0;
}
int MscCreateEmptyFile(char const *pszFileName)
{
FILE *pFile = fopen(pszFileName, "wb");
if (pFile == NULL) {
ErrSetErrorCode(ERR_FILE_CREATE, pszFileName);
return ERR_FILE_CREATE;
}
fclose(pFile);
return 0;
}
int MscClearDirectory(char const *pszPath, int iRecurseSubs)
{
SYS_HANDLE hFind;
SysListHead *pPos;
SysListHead FList;
char szFileName[SYS_MAX_PATH];
SYS_HANDLE hFind;
hFind = SysFirstFile(pszPath, szFileName, sizeof(szFileName));
if (hFind == SYS_INVALID_HANDLE)
return 0;
SYS_INIT_LIST_HEAD(&FList);
do {
if (SysIsDirectory(hFind)) {
if (iRecurseSubs && SYS_IS_VALID_FILENAME(szFileName)) {
char szSubPath[SYS_MAX_PATH];
StrSNCpy(szSubPath, pszPath);
AppendSlash(szSubPath);
StrSNCat(szSubPath, szFileName);
if (MscClearDirectory(szSubPath, iRecurseSubs) < 0 ||
SysRemoveDir(szSubPath) < 0) {
MscFreeDatumList(&FList);
return ErrGetErrorCode();
}
}
} else {
if (MscLstDatumAddT(&FList, szFileName, (int)strlen(szFileName)) < 0) {
MscFreeDatumList(&FList);
return ErrGetErrorCode();
}
}
} while (SysNextFile(hFind, szFileName, sizeof(szFileName)));
SysFindClose(hFind);
for (pPos = SYS_LIST_FIRST(&FList); pPos != NULL;
pPos = SYS_LIST_NEXT(pPos, &FList)) {
LstDatum *pLDm = SYS_LIST_ENTRY(pPos, LstDatum, LLnk);
StrSNCpy(szFileName, pszPath);
AppendSlash(szFileName);
StrSNCat(szFileName, pLDm->Data.pData);
if (SysRemove(szFileName) < 0 && SysExistFile(szFileName)) {
MscFreeDatumList(&FList);
return ErrGetErrorCode();
}
}
MscFreeDatumList(&FList);
return 0;
}
static int MscCopyFileLL(char const *pszCopyTo, char const *pszCopyFrom,
char const *pszMode)
{
size_t RdBytes;
FILE *pFileIn, *pFileOut;
char szBuffer[2048];
if ((pFileIn = fopen(pszCopyFrom, "rb")) == NULL) {
ErrSetErrorCode(ERR_FILE_OPEN, pszCopyFrom);
return ERR_FILE_OPEN;
}
if ((pFileOut = fopen(pszCopyTo, pszMode)) == NULL) {
fclose(pFileIn);
ErrSetErrorCode(ERR_FILE_CREATE, pszCopyTo);
return ERR_FILE_CREATE;
}
do {
if ((RdBytes = fread(szBuffer, 1, sizeof(szBuffer), pFileIn)) > 0) {
if (fwrite(szBuffer, 1, RdBytes, pFileOut) != RdBytes) {
fclose(pFileOut);
fclose(pFileIn);
SysRemove(pszCopyTo);
ErrSetErrorCode(ERR_FILE_WRITE, pszCopyTo);
return ERR_FILE_WRITE;
}
}
} while (RdBytes == sizeof(szBuffer));
fclose(pFileOut);
fclose(pFileIn);
return 0;
}
int MscCopyFile(char const *pszCopyTo, char const *pszCopyFrom)
{
return MscCopyFileLL(pszCopyTo, pszCopyFrom, "wb");
}
int MscAppendFile(char const *pszCopyTo, char const *pszCopyFrom)
{
return MscCopyFileLL(pszCopyTo, pszCopyFrom, "a+b");
}
int MscCopyFile(FILE *pFileOut, FILE *pFileIn, SYS_OFF_T llBaseOffset,
SYS_OFF_T llCopySize)
{
size_t RdBytes, ToRead;
SYS_OFF_T llFileSize;
char szBuffer[2048];
if (llBaseOffset == (SYS_OFF_T) -1)
llBaseOffset = Sys_ftell(pFileIn);
Sys_fseek(pFileIn, 0, SEEK_END);
llFileSize = Sys_ftell(pFileIn);
if (llCopySize == (SYS_OFF_T) -1)
llCopySize = llFileSize - llBaseOffset;
else
llCopySize = Min(llCopySize, llFileSize - llBaseOffset);
Sys_fseek(pFileIn, llBaseOffset, SEEK_SET);
while (llCopySize > 0) {
ToRead = (size_t) Min(llCopySize, sizeof(szBuffer));
if ((RdBytes = fread(szBuffer, 1, ToRead, pFileIn)) > 0) {
if (fwrite(szBuffer, 1, RdBytes, pFileOut) != RdBytes) {
ErrSetErrorCode(ERR_FILE_WRITE);
return ERR_FILE_WRITE;
}
llCopySize -= RdBytes;
}
if (RdBytes != ToRead) {
ErrSetErrorCode(ERR_FILE_READ);
return ERR_FILE_READ;
}
}
return 0;
}
int MscDos2UnixFile(FILE *pFileOut, FILE *pFileIn)
{
int iLength;
char szBuffer[2048];
while (fgets(szBuffer, sizeof(szBuffer), pFileIn) != NULL) {
iLength = (int)strlen(szBuffer);
if (szBuffer[iLength - 1] == '\r')
szBuffer[iLength - 1] = '\n';
if (fwrite(szBuffer, 1, iLength, pFileOut) != iLength) {
ErrSetErrorCode(ERR_FILE_WRITE);
return ERR_FILE_WRITE;
}
}
if (ferror(pFileIn)) {
ErrSetErrorCode(ERR_FILE_READ);
return ERR_FILE_READ;
}
return 0;
}
int MscMoveFile(char const *pszOldName, char const *pszNewName)
{
if (MscCopyFile(pszNewName, pszOldName) < 0)
return ErrGetErrorCode();
return SysRemove(pszOldName);
}
char *MscGetString(FILE *pFile, char *pszBuffer, int iMaxChars, int *piGotNL)
{
size_t iLength;
ASSERT(pFile);
ASSERT(pszBuffer);
ASSERT(iMaxChars > 1);
pszBuffer[0] = 0; /* [i_a] */
if (fgets(pszBuffer, iMaxChars, pFile) == NULL)
return NULL;
iLength = strlen(pszBuffer);
// TODO: remove the loop: N^2 search through text; needless.
if (piGotNL != NULL)
*piGotNL = (iLength > 0 &&
strchr("\r\n", pszBuffer[iLength - 1]) != NULL);
for (; iLength > 0 && strchr("\r\n", pszBuffer[iLength - 1]) != NULL;
iLength--);
pszBuffer[iLength] = '\0';
return pszBuffer;
}
char *MscFGets(char *pszLine, int iLineSize, FILE *pFile)
{
return MscGetString(pFile, pszLine, iLineSize, NULL);
}
char *MscGetConfigLine(char *pszLine, int iLineSize, FILE *pFile, bool bSkipComments)
{
while (MscFGets(pszLine, iLineSize, pFile) != NULL) {
if (strlen(pszLine) > 0 &&
(!bSkipComments || pszLine[0] != TAB_COMMENT_CHAR))
return pszLine;
}
ErrSetErrorCode(ERR_FILE_EOF);
return NULL;
}
int MscGetPeerHost(SYS_SOCKET SockFD, char *pszFQDN, int iSize)
{
SYS_INET_ADDR PeerInfo;
ZeroData(PeerInfo); /* [i_a] */
if (SysGetPeerInfo(SockFD, PeerInfo) < 0)
return ErrGetErrorCode();
return SysGetHostByAddr(PeerInfo, pszFQDN, iSize);
}
int MscGetSockHost(SYS_SOCKET SockFD, char *pszFQDN, int iSize)
{
SYS_INET_ADDR SockInfo;
ZeroData(SockInfo); /* [i_a] */
if (SysGetSockInfo(SockFD, SockInfo) < 0)
return ErrGetErrorCode();
return SysGetHostByAddr(SockInfo, pszFQDN, iSize);
}
int MscGetServerAddress(char const *pszServer, SYS_INET_ADDR &SvrAddr, int iPortNo)
{
char szServer[MAX_HOST_NAME];
if (MscSplitAddressPort(pszServer, szServer, iPortNo, iPortNo) < 0 ||
SysGetHostByName(szServer, iAddrFamily, SvrAddr) < 0 ||
SysSetAddrPort(SvrAddr, iPortNo) < 0)
return ErrGetErrorCode();
return 0;
}
int MscSplitFQDN(char const *pszFQDN, char *pszHost, int iHSize,
char *pszDomain, int iDSize)
{
char const *pszDot = strchr(pszFQDN, '.');
if (pszDot == NULL) {
if (pszHost != NULL)
StrNCpy(pszHost, pszFQDN, iHSize);
if (pszDomain != NULL)
SetEmptyString(pszDomain);
} else {
if (pszHost != NULL) {
int iHostLength = (int) (pszDot - pszFQDN);
if (iHostLength >= iHSize)
iHostLength = iHSize - 1;
Cpy2Sz(pszHost, pszFQDN, iHostLength);
}
if (pszDomain != NULL) {
StrNCpy(pszDomain, pszDot + 1, iDSize);
DelFinalChar(pszDomain, '.');
}
}
return 0;
}
char *MscLogFilePath(char const *pszLogFile, char *pszLogFilePath)
{
time_t tCurrent;
time(&tCurrent);
long lRotStep = (unsigned long) (3600L * iLogRotateHours);
long lTimeZone = SysGetTimeZone();
long lDayLight = SysGetDayLight();
time_t tLogFileTime = (time_t) (NbrFloor((SYS_INT64) tCurrent - lTimeZone + lDayLight,
lRotStep) + lTimeZone - lDayLight);
struct tm tmLocTime;
char szLogsDir[SYS_MAX_PATH];
SysLocalTime(&tLogFileTime, &tmLocTime);
SvrGetLogsDir(szLogsDir, sizeof(szLogsDir));
AppendSlash(szLogsDir);
sprintf(pszLogFilePath, "%s%s-%04d%02d%02d%02d%02d",
szLogsDir, pszLogFile,
tmLocTime.tm_year + 1900,
tmLocTime.tm_mon + 1, tmLocTime.tm_mday, tmLocTime.tm_hour, tmLocTime.tm_min);
return pszLogFilePath;
}
int MscFileLog(char const *pszLogFile, char const *pszFormat, ...)
{
FILE *pLogFile;
va_list Args;
char szLogFilePath[SYS_MAX_PATH];
MscLogFilePath(pszLogFile, szLogFilePath);
pLogFile = fopen(szLogFilePath, "a+t");
if (pLogFile == NULL) {
ErrSetErrorCode(ERR_FILE_OPEN, szLogFilePath); /* [i_a] */
return ERR_FILE_OPEN;
}
va_start(Args, pszFormat);
vfprintf(pLogFile, pszFormat, Args);
va_end(Args);
fclose(pLogFile);
return 0;
}
int MscSplitPath(char const *pszFilePath, char *pszDir, int iDSize,
char *pszFName, int iFSize, char *pszExt, int iESize)
{
char const *pszSlash = strrchr(pszFilePath, SYS_SLASH_CHAR);
char const *pszFile = NULL, *pszDot;
if (pszSlash != NULL) {
pszFile = pszSlash + 1;
if (pszDir != NULL) {
int iDirLength = (int) (pszFile - pszFilePath);
if (iDirLength >= iDSize)
iDirLength = iDSize - 1;
Cpy2Sz(pszDir, pszFilePath, iDirLength);
}
} else {
pszFile = pszFilePath;
if (pszDir != NULL)
SetEmptyString(pszDir);
}
pszDot = strrchr(pszFile, '.');
if (pszDot != NULL) {
if (pszFName != NULL) {
int iNameLength = (int) (pszDot - pszFile);
if (iNameLength >= iFSize)
iNameLength = iFSize - 1;
Cpy2Sz(pszFName, pszFile, iNameLength);
}
if (pszExt != NULL)
StrNCpy(pszExt, pszDot, iESize);
} else {
if (pszFName != NULL)
StrNCpy(pszFName, pszFile, iFSize);
if (pszExt != NULL)
SetEmptyString(pszExt);
}
return 0;
}
int MscGetFileName(char const *pszFilePath, char *pszFileName)
{
char const *pszSlash = strrchr(pszFilePath, SYS_SLASH_CHAR);
strcpy(pszFileName, (pszSlash != NULL) ? (pszSlash + 1): pszFilePath);
return 0;
}
int MscCreateClientSocket(char const *pszServer, int iPortNo, int iSockType,
SYS_SOCKET *pSockFD, SYS_INET_ADDR *pSvrAddr,
SYS_INET_ADDR *pSockAddr, int iTimeout)
{
SYS_INET_ADDR SvrAddr;
ZeroData(SvrAddr); /* [i_a] */
if (MscGetServerAddress(pszServer, SvrAddr, iPortNo) < 0)
return ErrGetErrorCode();
SYS_SOCKET SockFD = SysCreateSocket(SysGetAddrFamily(SvrAddr), iSockType, 0);
if (SockFD == SYS_INVALID_SOCKET)
return ErrGetErrorCode();
if (SysConnect(SockFD, &SvrAddr, iTimeout) < 0) {
ErrorPush();
SysCloseSocket(SockFD);
return ErrorPop();
}
SYS_INET_ADDR SockAddr;
ZeroData(SockAddr); /* [i_a] */
if (SysGetSockInfo(SockFD, SockAddr) < 0) {
ErrorPush();
SysCloseSocket(SockFD);
return ErrorPop();
}
*pSockFD = SockFD;
if (pSvrAddr != NULL)
*pSvrAddr = SvrAddr;
if (pSockAddr != NULL)
*pSockAddr = SockAddr;
return 0;
}
int MscCreateServerSockets(int iNumAddr, SYS_INET_ADDR const *pSvrAddr, int iFamily,
int iPortNo, int iListenSize, SYS_SOCKET *pSockFDs,
int &iNumSockFDs)
{
if (iNumAddr == 0) {
SYS_SOCKET SvrSockFD = SysCreateSocket(iFamily, SOCK_STREAM, 0);
if (SvrSockFD == SYS_INVALID_SOCKET)
return ErrGetErrorCode();
SYS_INET_ADDR InSvrAddr;
ZeroData(InSvrAddr); /* [i_a] */
if (SysInetAnySetup(InSvrAddr, iFamily, iPortNo) < 0 ||
SysBindSocket(SvrSockFD, &InSvrAddr) < 0) {
ErrorPush();
SysCloseSocket(SvrSockFD);
return ErrorPop();
}
SysListenSocket(SvrSockFD, iListenSize);
*pSockFDs = SvrSockFD;
iNumSockFDs = 1;
} else {
iNumSockFDs = 0;
for (int i = 0; i < iNumAddr; i++) {
SYS_SOCKET SvrSockFD = SysCreateSocket(SysGetAddrFamily(pSvrAddr[i]),
SOCK_STREAM, 0);
if (SvrSockFD == SYS_INVALID_SOCKET) {
ErrorPush();
for (--iNumSockFDs; iNumSockFDs >= 0; iNumSockFDs--)
SysCloseSocket(pSockFDs[iNumSockFDs]);
return ErrorPop();
}
SYS_INET_ADDR InSvrAddr = pSvrAddr[i];
if (SysGetAddrPort(InSvrAddr) == 0)
SysSetAddrPort(InSvrAddr, iPortNo);
if (SysBindSocket(SvrSockFD, &InSvrAddr) < 0) {
ErrorPush();
SysCloseSocket(SvrSockFD);
for (--iNumSockFDs; iNumSockFDs >= 0; iNumSockFDs--)
SysCloseSocket(pSockFDs[iNumSockFDs]);
return ErrorPop();
}
SysListenSocket(SvrSockFD, iListenSize);
pSockFDs[iNumSockFDs++] = SvrSockFD;
}
}
return 0;
}
int MscGetMaxSockFD(SYS_SOCKET const *pSockFDs, int iNumSockFDs)