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SMAILUtils.cpp
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SMAILUtils.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 "StrUtils.h"
#include "SList.h"
#include "ShBlocks.h"
#include "ResLocks.h"
#include "BuffSock.h"
#include "UsrUtils.h"
#include "SvrUtils.h"
#include "MailConfig.h"
#include "MessQueue.h"
#include "SMAILUtils.h"
#include "QueueUtils.h"
#include "ExtAliases.h"
#include "MiscUtils.h"
#include "MailDomains.h"
#include "Filter.h"
#include "SMTPSvr.h"
#include "SMTPUtils.h"
#include "POP3Utils.h"
#include "AppDefines.h"
#include "MailSvr.h"
#define SFF_HEADER_MODIFIED (1 << 0)
#define STD_TAG_BUFFER_LENGTH 1024
#define CUSTOM_CMD_LINE_MAX 512
#define SMAIL_DOMAIN_PROC_DIR "custdomains"
#define SMAIL_CMDALIAS_DIR "cmdaliases"
#define SMAIL_DEFAULT_FILTER ".tab"
#define SMAIL_LOG_FILE "smail"
#define MAX_MTA_OPS 16
#define ADDRESS_TOKENIZER ","
#define SMAIL_EXTERNAL_EXIT_BREAK 16
#define SMAIL_STOP_PROCESSING 3111965L
struct SpoolFileData {
char **ppszInfo;
char **ppszFrom;
char *pszMailFrom;
char *pszSendMailFrom;
char **ppszRcpt;
char *pszRcptTo;
char *pszSendRcptTo;
char *pszRelayDomain;
char szSMTPDomain[MAX_ADDR_NAME];
char szMessageID[128];
char szMessFilePath[SYS_MAX_PATH];
SYS_OFF_T llMessageOffset;
SYS_OFF_T llMailDataOffset;
SYS_OFF_T llMessageSize;
char szSpoolFile[SYS_MAX_PATH];
HSLIST hTagList;
unsigned long ulFlags;
};
struct MessageTagData {
LISTLINK LL;
char *pszTagName;
char *pszTagData;
};
struct MacroSubstCtx {
SPLF_HANDLE hFSpool;
UserInfo *pUI;
FileSection FSect;
};
static int USmlAddTag(HSLIST &hTagList, char const *pszTagName,
char const *pszTagData, int iUpdate = 0);
int USmlLoadSpoolFileHeader(char const *pszSpoolFile, SpoolFileHeader &SFH)
{
ZeroData(SFH);
FILE *pSpoolFile = fopen(pszSpoolFile, "rb");
if (pSpoolFile == NULL) {
ErrSetErrorCode(ERR_SPOOL_FILE_NOT_FOUND, pszSpoolFile);
return ERR_SPOOL_FILE_NOT_FOUND;
}
/* Build spool file name */
char szFName[SYS_MAX_PATH] = "";
char szExt[SYS_MAX_PATH] = "";
char szSpoolLine[MAX_SPOOL_LINE] = "";
MscSplitPath(pszSpoolFile, NULL, 0, szFName, sizeof(szFName), szExt, sizeof(szExt));
SysSNPrintf(SFH.szSpoolFile, sizeof(SFH.szSpoolFile) - 1, "%s%s", szFName, szExt);
/* Read info ( 1st row of the spool file ) */
if (MscGetString(pSpoolFile, szSpoolLine, sizeof(szSpoolLine) - 1) == NULL ||
(SFH.ppszInfo = StrTokenize(szSpoolLine, ";")) == NULL ||
StrStringsCount(SFH.ppszInfo) < smiMax) {
StrFreeStrings(SFH.ppszInfo);
fclose(pSpoolFile);
ZeroData(SFH);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE, pszSpoolFile);
return ERR_SPOOL_FILE_NOT_FOUND;
}
/* Read SMTP domain ( 2nd row of the spool file ) */
if (MscGetString(pSpoolFile, SFH.szSMTPDomain, sizeof(SFH.szSMTPDomain) - 1) == NULL) {
StrFreeStrings(SFH.ppszInfo);
fclose(pSpoolFile);
ZeroData(SFH);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE, pszSpoolFile);
return ERR_SPOOL_FILE_NOT_FOUND;
}
/* Read message ID ( 3rd row of the spool file ) */
if (MscGetString(pSpoolFile, SFH.szMessageID, sizeof(SFH.szMessageID) - 1) == NULL) {
StrFreeStrings(SFH.ppszInfo);
fclose(pSpoolFile);
ZeroData(SFH);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE, pszSpoolFile);
return ERR_SPOOL_FILE_NOT_FOUND;
}
/* Read "MAIL FROM:" ( 4th row of the spool file ) */
if (MscGetString(pSpoolFile, szSpoolLine, sizeof(szSpoolLine) - 1) == NULL ||
StrINComp(szSpoolLine, MAIL_FROM_STR) != 0 ||
(SFH.ppszFrom = USmtpGetPathStrings(szSpoolLine)) == NULL) {
StrFreeStrings(SFH.ppszInfo);
fclose(pSpoolFile);
ZeroData(SFH);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE, pszSpoolFile);
return ERR_INVALID_SPOOL_FILE;
}
/* Read "RCPT TO:" ( 5th row of the spool file ) */
if (MscGetString(pSpoolFile, szSpoolLine, sizeof(szSpoolLine) - 1) == NULL ||
StrINComp(szSpoolLine, RCPT_TO_STR) != 0 ||
(SFH.ppszRcpt = USmtpGetPathStrings(szSpoolLine)) == NULL) {
StrFreeStrings(SFH.ppszFrom);
StrFreeStrings(SFH.ppszInfo);
fclose(pSpoolFile);
ZeroData(SFH);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE, pszSpoolFile);
return ERR_INVALID_SPOOL_FILE;
}
fclose(pSpoolFile);
return 0;
}
void USmlCleanupSpoolFileHeader(SpoolFileHeader &SFH)
{
StrFreeStrings(SFH.ppszInfo);
StrFreeStrings(SFH.ppszRcpt);
StrFreeStrings(SFH.ppszFrom);
ZeroData(SFH);
}
static MessageTagData *USmlAllocTag(char const *pszTagName, char const *pszTagData)
{
MessageTagData *pMTD = (MessageTagData *) SysAlloc(sizeof(MessageTagData));
if (pMTD == NULL)
return NULL;
ListLinkInit(pMTD);
pMTD->pszTagName = SysStrDup(pszTagName);
pMTD->pszTagData = SysStrDup(pszTagData);
return pMTD;
}
static void USmlFreeTag(MessageTagData *pMTD)
{
SysFree(pMTD->pszTagName);
SysFree(pMTD->pszTagData);
SysFree(pMTD);
}
static MessageTagData *USmlFindTag(HSLIST &hTagList, char const *pszTagName,
TAG_POSITION &TagPosition)
{
MessageTagData *pMTD = (TagPosition == TAG_POSITION_INIT) ?
(MessageTagData *) ListFirst(hTagList): (MessageTagData *) TagPosition;
for (; pMTD != INVALID_SLIST_PTR; pMTD = (MessageTagData *)
ListNext(hTagList, (PLISTLINK) pMTD)) {
if (pszTagName == NULL || stricmp(pMTD->pszTagName, pszTagName) == 0) {
TagPosition = (TAG_POSITION) ListNext(hTagList, (PLISTLINK) pMTD);
return pMTD;
}
}
TagPosition = (TAG_POSITION) INVALID_SLIST_PTR;
return NULL;
}
static int USmlAddTag(HSLIST &hTagList, char const *pszTagName,
char const *pszTagData, int iUpdate)
{
if (!iUpdate) {
MessageTagData *pMTD = USmlAllocTag(pszTagName, pszTagData);
if (pMTD == NULL)
return ErrGetErrorCode();
ListAddTail(hTagList, (PLISTLINK) pMTD);
} else {
TAG_POSITION TagPosition = TAG_POSITION_INIT;
MessageTagData *pMTD = USmlFindTag(hTagList, pszTagName, TagPosition);
if (pMTD != NULL) {
SysFree(pMTD->pszTagData);
pMTD->pszTagData = SysStrDup(pszTagData);
} else {
if ((pMTD = USmlAllocTag(pszTagName, pszTagData)) == NULL)
return ErrGetErrorCode();
ListAddTail(hTagList, (PLISTLINK) pMTD);
}
}
return 0;
}
static void USmlFreeTagsList(HSLIST &hTagList)
{
MessageTagData *pMTD;
while ((pMTD = (MessageTagData *) ListRemove(hTagList)) != INVALID_SLIST_PTR)
USmlFreeTag(pMTD);
}
static int USmlLoadTags(FILE *pSpoolFile, HSLIST &hTagList)
{
int iPrevGotNL, iGotNL;
unsigned long ulFilePos;
DynString TagDS;
char szTagName[256] = "", szSpoolLine[MAX_SPOOL_LINE];
ulFilePos = (unsigned long) ftell(pSpoolFile);
StrDynInit(&TagDS);
for (iPrevGotNL = 1;
MscGetString(pSpoolFile, szSpoolLine, sizeof(szSpoolLine) - 1,
&iGotNL) != NULL; iPrevGotNL = iGotNL) {
if (IsEmptyString(szSpoolLine)) {
if (StrDynSize(&TagDS) > 0) {
if (USmlAddTag(hTagList, szTagName, StrDynGet(&TagDS)) < 0) {
ErrorPush();
StrDynFree(&TagDS);
fseek(pSpoolFile, ulFilePos, SEEK_SET);
return ErrorPop();
}
SetEmptyString(szTagName);
StrDynTruncate(&TagDS);
}
break;
}
if (szSpoolLine[0] == ' ' || szSpoolLine[0] == '\t' ||
!iPrevGotNL) {
if (IsEmptyString(szTagName)) {
StrDynFree(&TagDS);
fseek(pSpoolFile, ulFilePos, SEEK_SET);
ErrSetErrorCode(ERR_INVALID_MESSAGE_FORMAT);
return ERR_INVALID_MESSAGE_FORMAT;
}
if ((iPrevGotNL && StrDynAdd(&TagDS, "\r\n") < 0) ||
StrDynAdd(&TagDS, szSpoolLine) < 0) {
ErrorPush();
StrDynFree(&TagDS);
fseek(pSpoolFile, ulFilePos, SEEK_SET);
return ErrorPop();
}
} else {
if (StrDynSize(&TagDS) > 0) {
if (USmlAddTag(hTagList, szTagName, StrDynGet(&TagDS)) < 0) {
ErrorPush();
StrDynFree(&TagDS);
fseek(pSpoolFile, ulFilePos, SEEK_SET);
return ErrorPop();
}
SetEmptyString(szTagName);
StrDynTruncate(&TagDS);
}
char *pszEndTag = strchr(szSpoolLine, ':');
if (pszEndTag == NULL) {
StrDynFree(&TagDS);
fseek(pSpoolFile, ulFilePos, SEEK_SET);
ErrSetErrorCode(ERR_INVALID_MESSAGE_FORMAT);
return ERR_INVALID_MESSAGE_FORMAT;
}
int iNameLength = Min((int) (pszEndTag - szSpoolLine),
(int) sizeof(szTagName) - 1);
char *pszTagValue = pszEndTag + 1;
strncpy(szTagName, szSpoolLine, iNameLength);
szTagName[iNameLength] = '\0';
StrSkipSpaces(pszTagValue);
if (StrDynAdd(&TagDS, pszTagValue) < 0) {
ErrorPush();
StrDynFree(&TagDS);
fseek(pSpoolFile, ulFilePos, SEEK_SET);
return ErrorPop();
}
}
ulFilePos = (unsigned long) ftell(pSpoolFile);
}
StrDynFree(&TagDS);
return 0;
}
static int USmlDumpHeaders(FILE *pMsgFile, HSLIST &hTagList, char const *pszLF)
{
MessageTagData *pMTD = (MessageTagData *) ListFirst(hTagList);
for (; pMTD != INVALID_SLIST_PTR; pMTD = (MessageTagData *)
ListNext(hTagList, (PLISTLINK) pMTD)) {
fprintf(pMsgFile, "%s: %s%s", pMTD->pszTagName, pMTD->pszTagData,
pszLF);
}
return 0;
}
static void USmlFreeData(SpoolFileData *pSFD)
{
USmlFreeTagsList(pSFD->hTagList);
StrFreeStrings(pSFD->ppszInfo);
StrFreeStrings(pSFD->ppszFrom);
SysFree(pSFD->pszMailFrom);
SysFree(pSFD->pszSendMailFrom);
StrFreeStrings(pSFD->ppszRcpt);
SysFree(pSFD->pszRcptTo);
SysFree(pSFD->pszSendRcptTo);
SysFree(pSFD->pszRelayDomain);
}
char *USmlAddrConcat(char const *const *ppszStrings)
{
int i;
size_t sSumLength = 0;
int iStrCount = StrStringsCount(ppszStrings);
for (i = 0; i < iStrCount; i++)
sSumLength += strlen(ppszStrings[i]) + 1;
char *pszConcat = (char *) SysAlloc(sSumLength + 1);
if (pszConcat != NULL) {
SetEmptyString(pszConcat);
for (i = 0; i < iStrCount; i++) {
if (i > 0)
strcat(pszConcat, (i == iStrCount - 1) ? ":": ",");
strcat(pszConcat, ppszStrings[i]);
}
}
return pszConcat;
}
char *USmlBuildSendMailFrom(char const *const *ppszFrom, char const *const *ppszRcpt)
{
int iRcptCount = StrStringsCount(ppszRcpt);
int iFromCount = StrStringsCount(ppszFrom);
if (iRcptCount == 0) {
ErrSetErrorCode(ERR_BAD_FORWARD_PATH);
return NULL;
}
if (iRcptCount == 1)
return USmlAddrConcat(ppszFrom);
size_t sSumLength = strlen(ppszRcpt[0]) + 1;
int i;
for (i = 0; i < iFromCount; i++)
sSumLength += strlen(ppszFrom[i]) + 1;
char *pszConcat = (char *) SysAlloc(sSumLength + 1);
if (pszConcat == NULL)
return NULL;
strcpy(pszConcat, ppszRcpt[0]);
for (i = 0; i < iFromCount; i++) {
strcat(pszConcat, (i == (iFromCount - 1)) ? ":": ",");
strcat(pszConcat, ppszFrom[i]);
}
return pszConcat;
}
char *USmlBuildSendRcptTo(char const *const *ppszFrom, char const *const *ppszRcpt)
{
int iRcptCount = StrStringsCount(ppszRcpt);
int iFromCount = StrStringsCount(ppszFrom);
if (iRcptCount == 0) {
ErrSetErrorCode(ERR_BAD_FORWARD_PATH);
return NULL;
}
if (iRcptCount == 1)
return USmlAddrConcat(ppszRcpt);
int i;
size_t sSumLength = 0;
for (i = 1; i < iRcptCount; i++)
sSumLength += strlen(ppszRcpt[i]) + 1;
char *pszConcat = (char *) SysAlloc(sSumLength + 1);
if (pszConcat == NULL)
return NULL;
SetEmptyString(pszConcat);
for (i = 1; i < iRcptCount; i++) {
if (i > 1)
strcat(pszConcat, (i == (iRcptCount - 1)) ? ":": ",");
strcat(pszConcat, ppszRcpt[i]);
}
return pszConcat;
}
static int USmlLoadHandle(SpoolFileData *pSFD, char const *pszMessFilePath)
{
char szFName[SYS_MAX_PATH] = "";
char szExt[SYS_MAX_PATH] = "";
StrSNCpy(pSFD->szMessFilePath, pszMessFilePath);
MscSplitPath(pszMessFilePath, NULL, 0, szFName, sizeof(szFName), szExt, sizeof(szExt));
SysSNPrintf(pSFD->szSpoolFile, sizeof(pSFD->szSpoolFile) - 1, "%s%s", szFName, szExt);
FILE *pSpoolFile = fopen(pszMessFilePath, "rb");
if (pSpoolFile == NULL) {
ErrSetErrorCode(ERR_SPOOL_FILE_NOT_FOUND);
return ERR_SPOOL_FILE_NOT_FOUND;
}
char szSpoolLine[MAX_SPOOL_LINE] = "";
/* Read info ( 1st row of the spool file ) */
if (MscGetString(pSpoolFile, szSpoolLine, sizeof(szSpoolLine) - 1) == NULL ||
(pSFD->ppszInfo = StrTokenize(szSpoolLine, ";")) == NULL ||
StrStringsCount(pSFD->ppszInfo) < smiMax) {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE);
return ERR_INVALID_SPOOL_FILE;
}
/* Read SMTP domain ( 2nd row of the spool file ) */
if (MscGetString(pSpoolFile, pSFD->szSMTPDomain,
sizeof(pSFD->szSMTPDomain) - 1) == NULL) {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE);
return ERR_INVALID_SPOOL_FILE;
}
/* Read message ID ( 3rd row of the spool file ) */
if (MscGetString(pSpoolFile, pSFD->szMessageID, sizeof(pSFD->szMessageID) - 1) == NULL) {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE);
return ERR_INVALID_SPOOL_FILE;
}
/* Read "MAIL FROM:" ( 4th row of the spool file ) */
if ((MscGetString(pSpoolFile, szSpoolLine, sizeof(szSpoolLine) - 1) == NULL) ||
(StrINComp(szSpoolLine, MAIL_FROM_STR) != 0)) {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE);
return ERR_INVALID_SPOOL_FILE;
}
if ((pSFD->ppszFrom = USmtpGetPathStrings(szSpoolLine)) == NULL) {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE);
return ERR_INVALID_SPOOL_FILE;
}
/* Read "RCPT TO:" ( 5th row of the spool file ) */
if ((MscGetString(pSpoolFile, szSpoolLine, sizeof(szSpoolLine) - 1) == NULL) ||
(StrINComp(szSpoolLine, RCPT_TO_STR) != 0)) {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE);
return ERR_INVALID_SPOOL_FILE;
}
if ((pSFD->ppszRcpt = USmtpGetPathStrings(szSpoolLine)) == NULL) {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE);
return ERR_INVALID_SPOOL_FILE;
}
/* Check the presence of the init data mark ( 5th row of the spool file ) */
if (MscGetString(pSpoolFile, szSpoolLine, sizeof(szSpoolLine) - 1) == NULL ||
strncmp(szSpoolLine, SPOOL_FILE_DATA_START, strlen(SPOOL_FILE_DATA_START)) != 0) {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE);
return ERR_INVALID_SPOOL_FILE;
}
/* Get real message position */
pSFD->llMessageOffset = (SYS_OFF_T) ftell(pSpoolFile);
/* Build address strings */
if ((pSFD->pszMailFrom = USmlAddrConcat(pSFD->ppszFrom)) == NULL ||
(pSFD->pszSendMailFrom = USmlBuildSendMailFrom(pSFD->ppszFrom,
pSFD->ppszRcpt)) == NULL ||
(pSFD->pszRcptTo = (char *) USmlAddrConcat(pSFD->ppszRcpt)) == NULL ||
(pSFD->pszSendRcptTo = USmlBuildSendRcptTo(pSFD->ppszFrom, pSFD->ppszRcpt)) == NULL) {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_SPOOL_FILE);
return ERR_INVALID_SPOOL_FILE;
}
/* Check if it's a relay message */
if (StrStringsCount(pSFD->ppszRcpt) > 1) {
char const *pszHost = pSFD->ppszRcpt[0];
if (*pszHost++ != '@') {
fclose(pSpoolFile);
ErrSetErrorCode(ERR_INVALID_RELAY_ADDRESS, pSFD->ppszRcpt[0]);
return ERR_INVALID_SPOOL_FILE;
}
if (USmlValidHost(pszHost, StrEnd(pszHost)) < 0) {
fclose(pSpoolFile);
return ERR_INVALID_SPOOL_FILE;
}
pSFD->pszRelayDomain = SysStrDup(pszHost);
}
/* Load message tags */
if (USmlLoadTags(pSpoolFile, pSFD->hTagList) < 0)
SysLogMessage(LOG_LEV_MESSAGE, "Invalid headers section : %s\n",
pSFD->szSpoolFile);
/* Get spool file position */
pSFD->llMailDataOffset = (SYS_OFF_T) ftell(pSpoolFile);
fseek(pSpoolFile, 0, SEEK_END);
pSFD->llMessageSize = (SYS_OFF_T) ftell(pSpoolFile) - pSFD->llMessageOffset;
fclose(pSpoolFile);
return 0;
}
static void USmlInitHandle(SpoolFileData *pSFD)
{
pSFD->ppszInfo = NULL;
pSFD->ppszFrom = NULL;
pSFD->pszMailFrom = NULL;
pSFD->pszSendMailFrom = NULL;
pSFD->ppszRcpt = NULL;
pSFD->pszRcptTo = NULL;
pSFD->pszSendRcptTo = NULL;
pSFD->pszRelayDomain = NULL;
SetEmptyString(pSFD->szSMTPDomain);
pSFD->ulFlags = 0;
ListInit(pSFD->hTagList);
}
static SpoolFileData *USmlAllocEmptyHandle(void)
{
/* Structure allocation and initialization */
SpoolFileData *pSFD = (SpoolFileData *) SysAlloc(sizeof(SpoolFileData));
if (pSFD != NULL)
USmlInitHandle(pSFD);
return pSFD;
}
SPLF_HANDLE USmlCreateHandle(char const *pszMessFilePath)
{
/* Structure allocation and initialization */
SpoolFileData *pSFD = USmlAllocEmptyHandle();
if (pSFD == NULL)
return INVALID_SPLF_HANDLE;
if (USmlLoadHandle(pSFD, pszMessFilePath) < 0) {
USmlFreeData(pSFD);
SysFree(pSFD);
return INVALID_SPLF_HANDLE;
}
return (SPLF_HANDLE) pSFD;
}
void USmlCloseHandle(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
USmlFreeData(pSFD);
SysFree(pSFD);
}
int USmlReloadHandle(SPLF_HANDLE hFSpool)
{
/* Structure allocation and initialization */
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
SpoolFileData *pNewSFD = USmlAllocEmptyHandle();
if (pNewSFD == NULL)
return ErrGetErrorCode();
/* Load the new spool file data */
if (USmlLoadHandle(pNewSFD, pSFD->szMessFilePath) < 0) {
ErrorPush();
USmlFreeData(pNewSFD);
SysFree(pNewSFD);
return ErrorPop();
}
/* Free the original structure data and load the new one */
USmlFreeData(pSFD);
*pSFD = *pNewSFD;
/* We don't have to call USmlFreeData() since its content has been tranfered */
/* to the original structure to replace the old information */
SysFree(pNewSFD);
return 0;
}
char const *USmlGetRelayDomain(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->pszRelayDomain;
}
char const *USmlGetSpoolFilePath(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->szMessFilePath;
}
char const *USmlGetSpoolFile(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->szSpoolFile;
}
char const *USmlGetSMTPDomain(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->szSMTPDomain;
}
char const *USmlGetSmtpMessageID(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->szMessageID;
}
char const *const *USmlGetInfo(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->ppszInfo;
}
char const *const *USmlGetMailFrom(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->ppszFrom;
}
char const *USmlMailFrom(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->pszMailFrom;
}
char const *USmlSendMailFrom(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->pszSendMailFrom;
}
char const *const *USmlGetRcptTo(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->ppszRcpt;
}
char const *USmlRcptTo(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->pszRcptTo;
}
char const *USmlSendRcptTo(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->pszSendRcptTo;
}
SYS_OFF_T USmlMessageSize(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
return pSFD->llMessageSize;
}
static int USmlFlushMessageFile(SpoolFileData *pSFD)
{
char szTmpMsgFile[SYS_MAX_PATH] = "";
SysSNPrintf(szTmpMsgFile, sizeof(szTmpMsgFile) - 1, "%s.flush", pSFD->szMessFilePath);
/* Create temporary file */
FILE *pMsgFile = fopen(szTmpMsgFile, "wb");
if (pMsgFile == NULL) {
ErrSetErrorCode(ERR_FILE_CREATE, szTmpMsgFile);
return ERR_FILE_CREATE;
}
/* Open message file */
FILE *pMessFile = fopen(pSFD->szMessFilePath, "rb");
if (pMessFile == NULL) {
fclose(pMsgFile);
CheckRemoveFile(szTmpMsgFile);
ErrSetErrorCode(ERR_FILE_OPEN, pSFD->szMessFilePath);
return ERR_FILE_OPEN;
}
/* Dump info section ( start = 0 - bytes = ulMessageOffset ) */
if (MscCopyFile(pMsgFile, pMessFile, 0, pSFD->llMessageOffset) < 0) {
ErrorPush();
fclose(pMessFile);
fclose(pMsgFile);
CheckRemoveFile(szTmpMsgFile);
return ErrorPop();
}
/* Dump message headers */
if (USmlDumpHeaders(pMsgFile, pSFD->hTagList, "\r\n") < 0) {
ErrorPush();
fclose(pMessFile);
fclose(pMsgFile);
CheckRemoveFile(szTmpMsgFile);
return ErrorPop();
}
fprintf(pMsgFile, "\r\n");
/* Get the new message body offset */
SYS_OFF_T llMailDataOffset = (SYS_OFF_T) ftell(pMsgFile);
/* Dump message data ( start = ulMailDataOffset - bytes = -1 [EOF] ) */
if (MscCopyFile(pMsgFile, pMessFile, pSFD->llMailDataOffset,
(SYS_OFF_T) -1) < 0) {
ErrorPush();
fclose(pMessFile);
fclose(pMsgFile);
CheckRemoveFile(szTmpMsgFile);
return ErrorPop();
}
fclose(pMessFile);
if (SysFileSync(pMsgFile) < 0) {
ErrorPush();
fclose(pMsgFile);
CheckRemoveFile(szTmpMsgFile);
return ErrorPop();
}
pSFD->llMessageSize = (SYS_OFF_T) ftell(pMsgFile) - pSFD->llMessageOffset;
if (fclose(pMsgFile)) {
CheckRemoveFile(szTmpMsgFile);
ErrSetErrorCode(ERR_FILE_WRITE, szTmpMsgFile);
return ERR_FILE_WRITE;
}
/* Move the file */
if (SysRemove(pSFD->szMessFilePath) < 0 ||
SysMoveFile(szTmpMsgFile, pSFD->szMessFilePath) < 0) {
ErrorPush();
CheckRemoveFile(szTmpMsgFile);
return ErrorPop();
}
/* Set the new message body offset */
pSFD->llMailDataOffset = llMailDataOffset;
return 0;
}
int USmlSyncChanges(SPLF_HANDLE hFSpool)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
if (pSFD->ulFlags & SFF_HEADER_MODIFIED) {
if (USmlFlushMessageFile(pSFD) == 0)
pSFD->ulFlags &= ~SFF_HEADER_MODIFIED;
}
return 0;
}
int USmlGetMsgFileSection(SPLF_HANDLE hFSpool, FileSection &FSect)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
/* Sync message file */
if (USmlSyncChanges(hFSpool) < 0)
return ErrGetErrorCode();
/* Setup file section fields */
ZeroData(FSect);
StrSNCpy(FSect.szFilePath, pSFD->szMessFilePath);
FSect.llStartOffset = pSFD->llMessageOffset;
FSect.llEndOffset = (SYS_OFF_T) -1;
return 0;
}
int USmlWriteMailFile(SPLF_HANDLE hFSpool, FILE *pMsgFile, bool bMBoxFile)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
char const *pszLF = bMBoxFile ? SYS_EOL: "\r\n";
/* Dump message tags */
if (USmlDumpHeaders(pMsgFile, pSFD->hTagList, pszLF) < 0)
return ErrGetErrorCode();
fputs(pszLF, pMsgFile);
/* Dump message data */
FILE *pMessFile = fopen(pSFD->szMessFilePath, "rb");
if (pMessFile == NULL) {
ErrSetErrorCode(ERR_FILE_OPEN, pSFD->szMessFilePath);
return ERR_FILE_OPEN;
}
bool bWantCRLF = !bMBoxFile;
#ifdef SYS_CRLF_EOL
if (!bWantCRLF)
bWantCRLF = true;
#endif
if (bWantCRLF) {
if (MscCopyFile(pMsgFile, pMessFile, pSFD->llMailDataOffset,
(SYS_OFF_T) -1) < 0) {
fclose(pMessFile);
return ErrGetErrorCode();
}
} else {
Sys_fseek(pMessFile, pSFD->llMailDataOffset, SEEK_SET);
if (MscDos2UnixFile(pMsgFile, pMessFile) < 0) {
fclose(pMessFile);
return ErrGetErrorCode();
}
}
fclose(pMessFile);
return 0;
}
char *USmlGetTag(SPLF_HANDLE hFSpool, char const *pszTagName, TAG_POSITION &TagPosition)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
MessageTagData *pMTD = USmlFindTag(pSFD->hTagList, pszTagName, TagPosition);
return (pMTD != NULL) ? SysStrDup(pMTD->pszTagData): NULL;
}
int USmlAddTag(SPLF_HANDLE hFSpool, char const *pszTagName, char const *pszTagData, int iUpdate)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
if (USmlAddTag(pSFD->hTagList, pszTagName, pszTagData, iUpdate) < 0)
return ErrGetErrorCode();
pSFD->ulFlags |= SFF_HEADER_MODIFIED;
return 0;
}
int USmlSetTagAddress(SPLF_HANDLE hFSpool, char const *pszTagName, char const *pszAddress)
{
SpoolFileData *pSFD = (SpoolFileData *) hFSpool;
TAG_POSITION TagPosition = TAG_POSITION_INIT;
char *pszOldAddress = USmlGetTag(hFSpool, pszTagName, TagPosition);
if (pszOldAddress == NULL) {
char szTagData[512] = "";
SysSNPrintf(szTagData, sizeof(szTagData) - 1, "<%s>", pszAddress);
if (USmlAddTag(pSFD->hTagList, pszTagName, szTagData, 1) < 0)
return ErrGetErrorCode();
} else {
char *pszOpen = strrchr(pszOldAddress, '<');
if (pszOpen != NULL) {
/* Case : NAME <ADDRESS> */
char *pszClose = strrchr(pszOpen + 1, '>');
if (pszClose == NULL) {
SysFree(pszOldAddress);
ErrSetErrorCode(ERR_INVALID_MESSAGE_FORMAT);
return ERR_INVALID_MESSAGE_FORMAT;
}
DynString DynS;
StrDynInit(&DynS);
StrDynAdd(&DynS, pszOldAddress, (int) (pszOpen - pszOldAddress) + 1);
StrDynAdd(&DynS, pszAddress);
StrDynAdd(&DynS, pszClose);
SysFree(pszOldAddress);
if (USmlAddTag(pSFD->hTagList, pszTagName, StrDynGet(&DynS), 1) < 0) {
ErrorPush();
StrDynFree(&DynS);
return ErrorPop();
}
StrDynFree(&DynS);
} else {
/* Case : ADDRESS */
SysFree(pszOldAddress);
if (USmlAddTag(pSFD->hTagList, pszTagName, pszAddress, 1) < 0)
return ErrGetErrorCode();
}
}
return 0;
}
int USmlMapAddress(char const *pszAddress, char *pszDomain, char *pszName)
{
char szRmtDomain[MAX_ADDR_NAME] = "";
char szRmtName[MAX_ADDR_NAME] = "";
if (USmtpSplitEmailAddr(pszAddress, szRmtName, szRmtDomain) < 0)
return ErrGetErrorCode();
ExtAlias *pExtAlias = ExAlGetAlias(szRmtDomain, szRmtName);
if (pExtAlias == NULL)
return ErrGetErrorCode();
strcpy(pszDomain, pExtAlias->pszDomain);
strcpy(pszName, pExtAlias->pszName);
ExAlFreeAlias(pExtAlias);
return 0;
}
int USmlCreateMBFile(UserInfo *pUI, char const *pszFileName, SPLF_HANDLE hFSpool)
{
char const *const *ppszFrom = USmlGetMailFrom(hFSpool);
FILE *pMBFile = fopen(pszFileName, "wb");