mailsrvr.c

			if(!strnicmp(buf, "LIST",4) || !strnicmp(buf,"UIDL",4)) {
				p=buf+4;
				SKIP_WHITESPACE(p);
				if(isdigit(*p)) {
					msgnum=atol(p);
					if(msgnum<1 || msgnum>msgs) {
						lprintf(LOG_NOTICE,"%04d !POP3 INVALID message #%ld"
							,socket, msgnum);
						sockprintf(socket,"-ERR no such message");
						continue;
					}
					msg.hdr.number=mail[msgnum-1].number;
					if((i=smb_getmsgidx(&smb,&msg))!=SMB_SUCCESS) {
						lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) getting message index"
							,socket, i, smb.last_error);
						sockprintf(socket,"-ERR %d getting message index",i);
						break;
					}
					if(msg.idx.attr&MSG_DELETE) {
						lprintf(LOG_NOTICE,"%04d !POP3 ATTEMPT to list DELETED message"
							,socket);
						sockprintf(socket,"-ERR message deleted");
						continue;
					}
					if((i=smb_lockmsghdr(&smb,&msg))!=SMB_SUCCESS) {
						lprintf(LOG_WARNING,"%04d !POP3 ERROR %d (%s) locking message header #%lu"
							,socket, i, smb.last_error, msg.hdr.number);
						sockprintf(socket,"-ERR %d locking message header",i);
						continue; 
					}
					i=smb_getmsghdr(&smb,&msg);
					smb_unlockmsghdr(&smb,&msg);
					if(i!=0) {
						smb_freemsgmem(&msg);
						lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) getting message header #%lu"
							,socket, i, smb.last_error, msg.hdr.number);
						sockprintf(socket,"-ERR %d getting message header",i);
						continue;
					}
					if(!strnicmp(buf, "LIST",4)) {
						sockprintf(socket,"+OK %lu %lu",msgnum,smb_getmsgtxtlen(&msg));
					} else /* UIDL */
						sockprintf(socket,"+OK %lu %lu",msgnum,msg.hdr.number);

					smb_freemsgmem(&msg);
					continue;
				}
				/* List ALL messages */
				sockprintf(socket,"+OK %lu messages (%lu bytes)",msgs,bytes);
				for(l=0;l<msgs;l++) {
					msg.hdr.number=mail[l].number;
					if((i=smb_getmsgidx(&smb,&msg))!=SMB_SUCCESS) {
						lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) getting message index"
							,socket, i, smb.last_error);
						break;
					}
					if(msg.idx.attr&MSG_DELETE) 
						continue;
					if((i=smb_lockmsghdr(&smb,&msg))!=SMB_SUCCESS) {
						lprintf(LOG_WARNING,"%04d !POP3 ERROR %d (%s) locking message header #%lu"
							,socket, i, smb.last_error, msg.hdr.number);
						break; 
					}
					i=smb_getmsghdr(&smb,&msg);
					smb_unlockmsghdr(&smb,&msg);
					if(i!=0) {
						smb_freemsgmem(&msg);
						lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) getting message header #%lu"
							,socket, i, smb.last_error, msg.hdr.number);
						break;
					}
					if(!strnicmp(buf, "LIST",4)) {
						sockprintf(socket,"%lu %lu",l+1,smb_getmsgtxtlen(&msg));
					} else /* UIDL */
						sockprintf(socket,"%lu %lu",l+1,msg.hdr.number);

					smb_freemsgmem(&msg);
				}			
				sockprintf(socket,".");
				continue;
			}
			activity=TRUE;
			if(!strnicmp(buf, "RETR ",5) || !strnicmp(buf,"TOP ",4)) {
				SAFEPRINTF(str,"POP3: %s", user.alias);
				status(str);

				lines=-1;
				p=buf+4;
				SKIP_WHITESPACE(p);
				msgnum=atol(p);

				if(!strnicmp(buf,"TOP ",4)) {
					SKIP_DIGIT(p);
					SKIP_WHITESPACE(p);
					lines=atol(p);
				}
				if(msgnum<1 || msgnum>msgs) {
					lprintf(LOG_NOTICE,"%04d !POP3 %s ATTEMPTED to retrieve an INVALID message #%ld"
						,socket, user.alias, msgnum);
					sockprintf(socket,"-ERR no such message");
					continue;
				}
				msg.hdr.number=mail[msgnum-1].number;

				lprintf(LOG_INFO,"%04d POP3 %s retrieving message #%ld with command: %s"
					,socket, user.alias, msg.hdr.number, buf);

				if((i=smb_getmsgidx(&smb,&msg))!=SMB_SUCCESS) {
					lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) getting message index"
						,socket, i, smb.last_error);
					sockprintf(socket,"-ERR %d getting message index",i);
					continue;
				}
				if(msg.idx.attr&MSG_DELETE) {
					lprintf(LOG_NOTICE,"%04d !POP3 ATTEMPT to retrieve DELETED message"
						,socket);
					sockprintf(socket,"-ERR message deleted");
					continue;
				}
				if((i=smb_lockmsghdr(&smb,&msg))!=SMB_SUCCESS) {
					lprintf(LOG_WARNING,"%04d !POP3 ERROR %d (%s) locking message header #%lu"
						,socket, i, smb.last_error, msg.hdr.number);
					sockprintf(socket,"-ERR %d locking message header",i);
					continue; 
				}
				i=smb_getmsghdr(&smb,&msg);
				smb_unlockmsghdr(&smb,&msg);
				if(i!=0) {
					lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) getting message header #%lu"
						,socket, i, smb.last_error, msg.hdr.number);
					sockprintf(socket,"-ERR %d getting message header",i);
					continue;
				}

				if((msgtxt=smb_getmsgtxt(&smb,&msg,GETMSGTXT_ALL))==NULL) {
					smb_freemsgmem(&msg);
					lprintf(LOG_ERR,"%04d !POP3 ERROR (%s) retrieving message %lu text"
						,socket, smb.last_error, msg.hdr.number);
					sockprintf(socket,"-ERR retrieving message text");
					continue;
				}

				if(lines > 0					/* Works around BlackBerry mail server */
					&& lines >= strlen(msgtxt))	/* which requests the number of bytes (instead of lines) using TOP */
					lines=-1;					

				sockprintf(socket,"+OK message follows");
				lprintf(LOG_DEBUG,"%04d POP3 sending message text (%u bytes)"
					,socket,strlen(msgtxt));
				lines_sent=sockmsgtxt(socket,&msg,msgtxt,lines);
				/* if(startup->options&MAIL_OPT_DEBUG_POP3) */
				if(lines!=-1 && lines_sent<lines)	/* could send *more* lines */
					lprintf(LOG_ERR,"%04d !POP3 ERROR sending message text (sent %ld of %ld lines)"
						,socket,lines_sent,lines);
				else {
					lprintf(LOG_DEBUG,"%04d POP3 message transfer complete (%lu lines)"
						,socket,lines_sent);

					if((i=smb_locksmbhdr(&smb))!=SMB_SUCCESS) {
						lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) locking message base"
							,socket, i, smb.last_error);
					} else {
						if((i=smb_getmsgidx(&smb,&msg))!=SMB_SUCCESS) {
							lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) getting message index"
								,socket, i, smb.last_error);
						} else {
							msg.hdr.attr|=MSG_READ;
							msg.hdr.netattr|=MSG_SENT;

							if((i=smb_lockmsghdr(&smb,&msg))!=SMB_SUCCESS) 
								lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) locking message header #%lu"
									,socket, i, smb.last_error, msg.hdr.number);
							if((i=smb_putmsg(&smb,&msg))!=SMB_SUCCESS)
								lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) marking message #%lu as read"
									,socket, i, smb.last_error, msg.hdr.number);
							smb_unlockmsghdr(&smb,&msg);
						}
						smb_unlocksmbhdr(&smb);
					}
				}
				smb_freemsgmem(&msg);
				smb_freemsgtxt(msgtxt);
				continue;
			}
			if(!strnicmp(buf, "DELE ",5)) {
				p=buf+5;
				SKIP_WHITESPACE(p);
				msgnum=atol(p);

				if(msgnum<1 || msgnum>msgs) {
					lprintf(LOG_NOTICE,"%04d !POP3 %s ATTEMPTED to delete an INVALID message #%ld"
						,socket, user.alias, msgnum);
					sockprintf(socket,"-ERR no such message");
					continue;
				}
				msg.hdr.number=mail[msgnum-1].number;

				lprintf(LOG_INFO,"%04d POP3 %s deleting message #%ld"
					,socket, user.alias, msg.hdr.number);

				if((i=smb_locksmbhdr(&smb))!=SMB_SUCCESS) {
					lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) locking message base"
						,socket, i, smb.last_error);
					sockprintf(socket,"-ERR %d locking message base",i);
					continue;
				}
				if((i=smb_getmsgidx(&smb,&msg))!=SMB_SUCCESS) {
					smb_unlocksmbhdr(&smb);
					lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) getting message index"
						,socket, i, smb.last_error);
					sockprintf(socket,"-ERR %d getting message index",i);
					continue;
				}
				if((i=smb_lockmsghdr(&smb,&msg))!=SMB_SUCCESS) {
					smb_unlocksmbhdr(&smb);
					lprintf(LOG_WARNING,"%04d !POP3 ERROR %d (%s) locking message header #%lu"
						,socket, i, smb.last_error, msg.hdr.number);
					sockprintf(socket,"-ERR %d locking message header",i);
					continue; 
				}
				if((i=smb_getmsghdr(&smb,&msg))!=SMB_SUCCESS) {
					smb_unlockmsghdr(&smb,&msg);
					smb_unlocksmbhdr(&smb);
					lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) getting message header #%lu"
						,socket, i, smb.last_error, msg.hdr.number);
					sockprintf(socket,"-ERR %d getting message header",i);
					continue;
				}
				msg.hdr.attr|=MSG_DELETE;

				if((i=smb_putmsg(&smb,&msg))==SMB_SUCCESS && msg.hdr.auxattr&MSG_FILEATTACH)
					delfattach(&scfg,&msg);
				smb_unlockmsghdr(&smb,&msg);
				smb_unlocksmbhdr(&smb);
				smb_freemsgmem(&msg);
				if(i!=SMB_SUCCESS) {
					lprintf(LOG_ERR,"%04d !POP3 ERROR %d (%s) marking message as read"
						, socket, i, smb.last_error);
					sockprintf(socket,"-ERR %d marking message for deletion",i);
					continue;
				}
				sockprintf(socket,"+OK");
				if(startup->options&MAIL_OPT_DEBUG_POP3)
					lprintf(LOG_INFO,"%04d POP3 message deleted", socket);
				continue;
			}
			lprintf(LOG_NOTICE,"%04d !POP3 UNSUPPORTED COMMAND from %s: '%s'"
				,socket, user.alias, buf);
			sockprintf(socket,"-ERR UNSUPPORTED COMMAND: %s",buf);
		}
		if(user.number) {
			if(!logoutuserdat(&scfg,&user,time(NULL),client.time))
				lprintf(LOG_ERR,"%04d !ERROR in logoutuserdat", socket);
		}

	} while(0);

	if(activity) 
		lprintf(LOG_INFO,"%04d POP3 %s logged out from port %u on %s [%s]"
			,socket, user.alias, ntohs(pop3.client_addr.sin_port), host_name, host_ip);

	status(STATUS_WFC);

	/* Free up resources here */
	if(mail!=NULL)
		freemail(mail);

	smb_freemsgmem(&msg);
	smb_close(&smb);

	if(active_clients)
		active_clients--, update_clients();
	client_off(socket);

	thread_down();
	if(startup->options&MAIL_OPT_DEBUG_POP3)
		lprintf(LOG_DEBUG,"%04d POP3 session thread terminated (%u threads remain, %lu clients served)"
			,socket, thread_count, served);

	/* Must be last */
	mail_close_socket(socket);
}

static ulong rblchk(SOCKET sock, DWORD mail_addr_n, const char* rbl_addr)
{
	char		name[256];
	DWORD		mail_addr;
	HOSTENT*	host;
	struct in_addr dnsbl_result;

	mail_addr=ntohl(mail_addr_n);
	safe_snprintf(name,sizeof(name),"%ld.%ld.%ld.%ld.%.128s"
		,mail_addr&0xff
		,(mail_addr>>8)&0xff
		,(mail_addr>>16)&0xff
		,(mail_addr>>24)&0xff
		,rbl_addr
		);

	if(startup->options&MAIL_OPT_DNSBL_DEBUG)
		lprintf(LOG_DEBUG,"%04d SMTP DNSBL Query: %s",sock,name);

	if((host=gethostbyname(name))==NULL)
		return(0);

	dnsbl_result.s_addr = *((ulong*)host->h_addr_list[0]);
	lprintf(LOG_INFO,"%04d SMTP DNSBL Query: %s resolved to: %s"
		,sock,name,inet_ntoa(dnsbl_result));

	return(dnsbl_result.s_addr);
}

static ulong dns_blacklisted(SOCKET sock, IN_ADDR addr, char* host_name, char* list, char* dnsbl_ip)
{
	char	fname[MAX_PATH+1];
	char	str[256];
	char*	p;
	char*	tp;
	FILE*	fp;
	ulong	found=0;

	sprintf(fname,"%sdnsbl_exempt.cfg",scfg.ctrl_dir);
	if(findstr(inet_ntoa(addr),fname))
		return(FALSE);
	if(findstr(host_name,fname))
		return(FALSE);

	sprintf(fname,"%sdns_blacklist.cfg", scfg.ctrl_dir);
	if((fp=fopen(fname,"r"))==NULL)
		return(FALSE);

	while(!feof(fp) && !found) {
		if(fgets(str,sizeof(str),fp)==NULL)
			break;
		truncsp(str);

		p=str;
		SKIP_WHITESPACE(p);
		if(*p==';' || *p==0) /* comment or blank line */
			continue;

		sprintf(list,"%.100s",p);

		/* terminate */
		tp = p;
		FIND_WHITESPACE(tp);
		*tp=0;	

		found = rblchk(sock, addr.s_addr, p);
	}
	fclose(fp);
	if(found)
		strcpy(dnsbl_ip, inet_ntoa(addr));

	return(found);
}


static BOOL chk_email_addr(SOCKET socket, char* p, char* host_name, char* host_ip
						   ,char* to, char* from, char* source)
{
	char	addr[64];
	char	tmp[128];

	SKIP_WHITESPACE(p);
	if(*p=='<') p++;		/* Skip '<' */
	SAFECOPY(addr,p);
	truncstr(addr,">( ");

	if(!trashcan(&scfg,addr,"email"))
		return(TRUE);

	lprintf(LOG_NOTICE,"%04d !SMTP BLOCKED %s e-mail address: %s"
		,socket, source, addr);
	SAFEPRINTF2(tmp,"Blocked %s e-mail address: %s", source, addr);
	spamlog(&scfg, "SMTP", "REFUSED", tmp, host_name, host_ip, to, from);

	return(FALSE);
}

static BOOL email_addr_is_exempt(const char* addr)
{
	char fname[MAX_PATH+1];
	char netmail[128];
	char* p;

	if(*addr==0 || strcmp(addr,"<>")==0)
		return FALSE;
	sprintf(fname,"%sdnsbl_exempt.cfg",scfg.ctrl_dir);
	if(findstr((char*)addr,fname))
		return TRUE;
	SAFECOPY(netmail, addr);
	if(*(p=netmail)=='<')
		p++;
	truncstr(p,">");
	return userdatdupe(&scfg, 0, U_NETMAIL, LEN_NETMAIL, p, FALSE);
}

static void exempt_email_addr(const char* comment
							  ,const char* fromname, const char* fromaddr
							  ,const char* toaddr)
{
	char	fname[MAX_PATH+1];
	char	to[128];
	char	tmp[128];
	FILE*	fp;

	SAFEPRINTF(to,"<%s>",toaddr);
	if(!email_addr_is_exempt(to)) {
		SAFEPRINTF(fname,"%sdnsbl_exempt.cfg",scfg.ctrl_dir);
		if((fp=fopen(fname,"a"))==NULL)
			lprintf(LOG_ERR,"0000 !Error opening file: %s", fname);
		else {
			lprintf(LOG_INFO,"0000 %s: %s", comment, to);
			fprintf(fp,"\n;%s from \"%s\" %s on %s\n%s\n"
				,comment, fromname, fromaddr, timestr(&scfg,time(NULL),tmp), to);
			fclose(fp);
		}
	}
}

static void signal_smtp_sem(void)
{
	int file;

	if(scfg.smtpmail_sem[0]==0) 
		return; /* do nothing */

	if((file=open(scfg.smtpmail_sem,O_WRONLY|O_CREAT|O_TRUNC,DEFFILEMODE))!=-1)
		close(file);
}

/*****************************************************************************/
/* Returns command line generated from instr with %c replacments             */
/*****************************************************************************/
static char* mailcmdstr(char* instr, char* msgpath, char* newpath, char* logpath
						,char* lstpath, char* errpath
						,char* host, char* ip, uint usernum
						,char* rcpt_addr
						,char* sender, char* sender_addr, char* reverse_path, char* cmd)
{
	char	str[1024];
    int		i,j,len;

    len=strlen(instr);
    for(i=j=0;i<len;i++) {
        if(instr[i]=='%') {
            i++;
            cmd[j]=0;
            switch(toupper(instr[i])) {
				case 'D':
					strcat(cmd,logpath);
					break;
				case 'E':
					strcat(cmd,errpath);
					break;
				case 'H':
					strcat(cmd,host);
					break;
				case 'I':
					strcat(cmd,ip);
					break;
                case 'G':   /* Temp directory */
                    strcat(cmd,scfg.temp_dir);
                    break;
                case 'J':
                    strcat(cmd,scfg.data_dir);
                    break;
                case 'K':
                    strcat(cmd,scfg.ctrl_dir);
                    break;
				case 'L':
					strcat(cmd,lstpath);
					break;
				case 'F':
				case 'M':
					strcat(cmd,msgpath);
					break;
				case 'N':
					strcat(cmd,newpath);
					break;
                case 'O':   /* SysOp */
                    strcat(cmd,scfg.sys_op);
                    break;
                case 'Q':   /* QWK ID */
                    strcat(cmd,scfg.sys_id);
                    break;
				case 'R':	/* reverse path */
					strcat(cmd,reverse_path);
					break;
				case 'S':	/* sender name */
					strcat(cmd,sender);
					break;
				case 'T':	/* recipient */
					strcat(cmd,rcpt_addr);
					break;
				case 'A':	/* sender address */
					strcat(cmd,sender_addr);
					break;
                case 'V':   /* Synchronet Version */
                    sprintf(str,"%s%c",VERSION,REVISION);
					strcat(cmd,str);
                    break;
                case 'Z':
                    strcat(cmd,scfg.text_dir);
                    break;
                case '!':   /* EXEC Directory */
                    strcat(cmd,scfg.exec_dir);
                    break;
                case '@':   /* EXEC Directory for DOS/OS2/Win32, blank for Unix */
#ifndef __unix__
                    strcat(cmd,scfg.exec_dir);
#endif
                    break;
                case '%':   /* %% for percent sign */
                    strcat(cmd,"%");
                    break;
				case '?':	/* Platform */
#ifdef __OS2__
					SAFECOPY(str,"OS2");
#else
					SAFECOPY(str,PLATFORM_DESC);
#endif
					strlwr(str);
					strcat(cmd,str);
					break;
				case 'U':	/* User number */
					sprintf(str,"%u",usernum);
					strcat(cmd,str);
					break;
                default:    /* unknown specification */
                    break; 
			}
            j=strlen(cmd); 
		}
        else
            cmd[j++]=instr[i]; 
	}
    cmd[j]=0;

    return(cmd);
}
#ifdef JAVASCRIPT

typedef struct {
	SOCKET		sock;
	const char*	log_prefix;
	const char*	proc_name;
} private_t;

static void
js_ErrorReporter(JSContext *cx, const char *message, JSErrorReport *report)
{
	char	line[64];
	char	file[MAX_PATH+1];
	char*	warning;
	private_t*	p;
	jsrefcount	rc;
	int		log_level;

	if((p=(private_t*)JS_GetContextPrivate(cx))==NULL)
		return;

	if(report==NULL) {
		lprintf(LOG_ERR,"%04d %s %s !JavaScript: %s"
			, p->sock, p->log_prefix, p->proc_name, message);
		return;
    }

	if(report->filename)
		SAFEPRINTF(file," %s",report->filename);
	else
		file[0]=0;

	if(report->lineno)
		SAFEPRINTF(line," line %u",report->lineno);
	else
		line[0]=0;

	if(JSREPORT_IS_WARNING(report->flags)) {
		if(JSREPORT_IS_STRICT(report->flags))
			warning="strict warning";
		else
			warning="warning";
		log_level=LOG_WARNING;
	} else {
		log_level=LOG_ERR;
		warning="";
	}

	rc=JS_SUSPENDREQUEST(cx);
	lprintf(log_level,"%04d %s %s !JavaScript %s%s%s: %s"
		,p->sock, p->log_prefix, p->proc_name
		,warning ,file, line, message);
	JS_RESUMEREQUEST(cx, rc);
}

static JSBool
js_log(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
    uintN		i=0;
	int32		level=LOG_INFO;
    JSString*	str=NULL;
	private_t*	p;
	jsrefcount	rc;

	if((p=(private_t*)JS_GetContextPrivate(cx))==NULL)
		return(JS_FALSE);

	if(JSVAL_IS_NUMBER(argv[i]))
		JS_ValueToInt32(cx,argv[i++],&level);

	for(; i<argc; i++) {
		if((str=JS_ValueToString(cx, argv[i]))==NULL)
			return(JS_FALSE);
		rc=JS_SUSPENDREQUEST(cx);
		lprintf(level,"%04d %s %s %s"
			,p->sock,p->log_prefix,p->proc_name,JS_GetStringBytes(str));
		JS_RESUMEREQUEST(cx, rc);
	}

	if(str==NULL)
		*rval = JSVAL_VOID;
	else
		*rval = STRING_TO_JSVAL(str);

    return(JS_TRUE);
}

static JSFunctionSpec js_global_functions[] = {
	{"write",			js_log,				0},
	{"writeln",			js_log,				0},
	{"print",			js_log,				0},
	{"log",				js_log,				0},
    {0}
};

static BOOL
js_mailproc(SOCKET sock, client_t* client, user_t* user, struct mailproc* mailproc
			,char* cmdline
			,char* msgtxt_fname, char* newtxt_fname, char* logtxt_fname
			,char* rcpt_addr
			,char* rcptlst_fname, char* proc_err_fname
			,char* sender, char* sender_addr, char* reverse_path, char* hello_name
			,int32* result
			,JSRuntime**	js_runtime
			,JSContext**	js_cx
			,JSObject**		js_glob
			,const char*	log_prefix
)
{
	char*		p;
	char		fname[MAX_PATH+1];
	char		path[MAX_PATH+1];
	char		arg[MAX_PATH+1];
	BOOL		success=FALSE;
	JSObject*	js_scope=NULL;
	JSObject*	argv;
	jsuint		argc;
	JSScript*	js_script;
	js_branch_t	js_branch;
	jsval		val;
	jsval		rval=JSVAL_VOID;
	private_t	priv;

	ZERO_VAR(js_branch);

	SAFECOPY(fname,cmdline);
	truncstr(fname," \t");
	if(getfext(fname)==NULL) /* No extension specified, assume '.js' */
		strcat(fname,".js");

	SAFECOPY(path,fname);
	if(getfname(path)==path) { /* No path specified, assume mods or exec dir */
		sprintf(path,"%s%s",scfg.mods_dir,fname);
		if(scfg.mods_dir[0]==0 || !fexist(path))
			sprintf(path,"%s%s",scfg.exec_dir,fname);
	}

	*result = 0;
	do {
		if(*js_runtime==NULL) {
			lprintf(LOG_DEBUG,"%04d %s JavaScript: Creating runtime: %lu bytes\n"
				,sock, log_prefix, startup->js.max_bytes);

			if((*js_runtime = jsrt_GetNew(startup->js.max_bytes, 1000, __FILE__, __LINE__))==NULL)
				break;
		}

		if(*js_cx==NULL) {
			lprintf(LOG_DEBUG,"%04d %s JavaScript: Initializing context (stack: %lu bytes)\n"
				,sock, log_prefix, startup->js.cx_stack);

			if((*js_cx = JS_NewContext(*js_runtime, startup->js.cx_stack))==NULL)
				break;
		}
		JS_BEGINREQUEST(*js_cx);

		JS_SetErrorReporter(*js_cx, js_ErrorReporter);

		priv.sock=sock;
		priv.log_prefix=log_prefix;
		priv.proc_name=mailproc->name;
		JS_SetContextPrivate(*js_cx, &priv);

		if(*js_glob==NULL) {
			/* Global Objects (including system, js, client, Socket, MsgBase, File, User, etc. */
			if((*js_glob=js_CreateCommonObjects(*js_cx, &scfg, &scfg, NULL
						,uptime, startup->host_name, SOCKLIB_DESC	/* system */
						,&js_branch									/* js */
						,client, sock								/* client */
						,&js_server_props							/* server */
				))==NULL)
				break;

			if(!JS_DefineFunctions(*js_cx, *js_glob, js_global_functions))
				break;

			/* Area and "user" Objects */
			if(!js_CreateUserObjects(*js_cx, *js_glob, &scfg, user, NULL, NULL)) 
				break;

			/* Mailproc "API" filenames */
			JS_DefineProperty(*js_cx, *js_glob, "message_text_filename"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,msgtxt_fname))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

			JS_DefineProperty(*js_cx, *js_glob, "new_message_text_filename"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,newtxt_fname))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

			JS_DefineProperty(*js_cx, *js_glob, "log_text_filename"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,logtxt_fname))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

			JS_DefineProperty(*js_cx, *js_glob, "recipient_address"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,rcpt_addr))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

			JS_DefineProperty(*js_cx, *js_glob, "recipient_list_filename"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,rcptlst_fname))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

			JS_DefineProperty(*js_cx, *js_glob, "processing_error_filename"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,proc_err_fname))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

			JS_DefineProperty(*js_cx, *js_glob, "sender_name"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,sender))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

			JS_DefineProperty(*js_cx, *js_glob, "sender_address"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,sender_addr))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

			JS_DefineProperty(*js_cx, *js_glob, "reverse_path"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,reverse_path))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

			JS_DefineProperty(*js_cx, *js_glob, "hello_name"
				,STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,hello_name))
				,NULL,NULL,JSPROP_ENUMERATE|JSPROP_READONLY);

		}

		if((js_scope=JS_NewObject(*js_cx, NULL, NULL, *js_glob))==NULL)
			break;

		/* Convert command-line to argv/argc */
		argv=JS_NewArrayObject(*js_cx, 0, NULL);
		JS_DefineProperty(*js_cx, js_scope, "argv", OBJECT_TO_JSVAL(argv)
			,NULL,NULL,JSPROP_READONLY|JSPROP_ENUMERATE);

		p=cmdline;
		FIND_WHITESPACE(p); 
		SKIP_WHITESPACE(p);
		for(argc=0;*p;argc++) {
			SAFECOPY(arg,p);
			truncstr(arg," \t");
			val=STRING_TO_JSVAL(JS_NewStringCopyZ(*js_cx,arg));
			if(!JS_SetElement(*js_cx, argv, argc, &val))
				break;
			FIND_WHITESPACE(p);
			SKIP_WHITESPACE(p);
		}
		JS_DefineProperty(*js_cx, js_scope, "argc", INT_TO_JSVAL(argc)
			,NULL,NULL,JSPROP_READONLY|JSPROP_ENUMERATE);

		if(mailproc->eval!=NULL && *mailproc->eval!=0) {
			lprintf(LOG_DEBUG,"%04d %s Evaluating: %s"
				,sock, log_prefix, mailproc->eval);
			js_script=JS_CompileScript(*js_cx, js_scope, mailproc->eval, strlen(mailproc->eval), NULL, 1);
		} else {
			lprintf(LOG_DEBUG,"%04d %s Executing: %s"
				,sock, log_prefix, cmdline);
			js_script=JS_CompileFile(*js_cx, js_scope, path);
		}
		if(js_script==NULL)
			break;

		success=JS_ExecuteScript(*js_cx, js_scope, js_script, &rval);

		JS_ReportPendingException(*js_cx);

		js_EvalOnExit(*js_cx, js_scope, &js_branch);

		JS_GetProperty(*js_cx, *js_glob, "exit_code", &rval);

		JS_DestroyScript(*js_cx, js_script);

		JS_ClearScope(*js_cx, js_scope);

		JS_GC(*js_cx);

	} while(0);

	if(*js_cx!=NULL) {

		if(rval!=JSVAL_VOID && JSVAL_IS_NUMBER(rval))
			JS_ValueToInt32(*js_cx,rval,result);

		JS_ENDREQUEST(*js_cx);
	}

	return(success);
}

void js_cleanup(JSRuntime* js_runtime, JSContext* js_cx)
{
	if(js_cx!=NULL)
		JS_DestroyContext(js_cx);
	if(js_runtime!=NULL)
		jsrt_Release(js_runtime);
}
#endif


static int parse_header_field(uchar* buf, smbmsg_t* msg, ushort* type)
{
	char*	p;
	char	field[128];
	int		len;
	ushort	nettype;

	if(buf[0]<=' ' && *type!=UNKNOWN) {	/* folded header, append to previous */
		p=buf;
		truncsp(p);
		smb_hfield_append_str(msg,*type,"\r\n");
		return smb_hfield_append_str(msg, *type, p);
	}

	if((p=strchr(buf,':'))==NULL)
		return smb_hfield_str(msg, *type=RFC822HEADER, buf);

	len=(ulong)p-(ulong)buf;
	if(len>sizeof(field)-1)
		len=sizeof(field)-1;
	sprintf(field,"%.*s",len,buf);
	truncsp(field);

	p++;	/* skip colon */
	SKIP_WHITESPACE(p);
	truncsp(p);

	if(!stricmp(field, "TO"))
		return smb_hfield_str(msg, *type=RFC822TO, p);

	if(!stricmp(field, "REPLY-TO")) {
		smb_hfield_str(msg, *type=RFC822REPLYTO, p);
		if(*p=='<')  {
			p++;
			truncstr(p,">");
		}
		nettype=NET_INTERNET;
		smb_hfield(msg, REPLYTONETTYPE, sizeof(nettype), &nettype);
		return smb_hfield_str(msg, *type=REPLYTONETADDR, p);
	}
	if(!stricmp(field, "FROM"))
		return smb_hfield_str(msg, *type=RFC822FROM, p);

	if(!stricmp(field, "ORGANIZATION"))
		return smb_hfield_str(msg, *type=SENDERORG, p);

	if(!stricmp(field, "DATE")) {
		msg->hdr.when_written=rfc822date(p);
		*type=UNKNOWN;
		return SMB_SUCCESS;
	}
	if(!stricmp(field, "MESSAGE-ID"))
		return smb_hfield_str(msg, *type=RFC822MSGID, p);

	if(!stricmp(field, "IN-REPLY-TO"))
		return smb_hfield_str(msg, *type=RFC822REPLYID, p);

	if(!stricmp(field, "CC"))
		return smb_hfield_str(msg, *type=SMB_CARBONCOPY, p);

	if(!stricmp(field, "RECEIVED"))
		return smb_hfield_str(msg, *type=SMTPRECEIVED, p);

	if(!stricmp(field, "RETURN-PATH")) {
		*type=UNKNOWN;
		return SMB_SUCCESS;	/* Ignore existing "Return-Path" header fields */
	}

	/* Fall-through */
	return smb_hfield_str(msg, *type=RFC822HEADER, buf);
}

static int chk_received_hdr(SOCKET socket,const char *buf,IN_ADDR *dnsbl_result, char *dnsbl, char *dnsbl_ip)
{
	char		host_name[128];
	IN_ADDR		check_addr;
	char		*fromstr;
	char		ip[16];
	char		*p;
	char		*p2;
	char		*last;

	fromstr=(char *)malloc(strlen(buf)+1);
	if(fromstr==NULL)
		return(0);
	strcpy(fromstr,buf);
	strlwr(fromstr);
	do {
		p=strstr(fromstr,"from ");
		if(p==NULL)
			break;
		p+=4;
		SKIP_WHITESPACE(p);
		if(*p==0)
			break;
		p2=host_name;
		for(;*p && !isspace(*p) && p2<host_name+126;p++)  {
			*p2++=*p;
		}
		*p2=0;
		p=strtok_r(fromstr,"[",&last);
		if(p==NULL)
			break;
		p=strtok_r(NULL,"]",&last);
		if(p==NULL)
			break;
		strncpy(ip,p,16);
		ip[15]=0;
		check_addr.s_addr = inet_addr(ip);
		if(startup->options&MAIL_OPT_DNSBL_DEBUG)
			lprintf(LOG_DEBUG,"%04d DEBUG checking %s (%s)",socket,host_name,ip);
		if((dnsbl_result->s_addr=dns_blacklisted(socket,check_addr,host_name,dnsbl,dnsbl_ip))!=0)
				lprintf(LOG_NOTICE,"%04d !SMTP BLACKLISTED SERVER on %s: %s [%s] = %s"
					,socket, dnsbl, host_name, ip, inet_ntoa(*dnsbl_result));
	} while(0);
	free(fromstr);
	return(dnsbl_result->s_addr);
}

static void parse_mail_address(char* p
							   ,char* name, size_t name_len
							   ,char* addr, size_t addr_len)
{
	char*	tp;
	char	tmp[128];

	SKIP_WHITESPACE(p);

	/* Get the address */
	if((tp=strchr(p,'<'))!=NULL)
		tp++;
	else
		tp=p;
	SKIP_WHITESPACE(tp);
	sprintf(addr,"%.*s",addr_len,tp);
	truncstr(addr,">( ");

	SAFECOPY(tmp,p);
	p=tmp;
	/* Get the "name" (if possible) */
	if((tp=strchr(p,'('))!=NULL) {			/* name in parenthesis? */
		p=tp+1;
		tp=strchr(p,')');
	} else if((tp=strchr(p,'"'))!=NULL) {	/* name in quotes? */
		p=tp+1;
		tp=strchr(p,'"');
	} else if(*p=='<') {					/* address in brackets? */
		p++;
		tp=strchr(p,'>');
	} else									/* name, then address in brackets */
		tp=strchr(p,'<');
	if(tp) *tp=0;
	sprintf(name,"%.*s",name_len,p);
	truncsp(name);
}

static BOOL checktag(scfg_t *scfg, char *tag, uint usernum)
{
	char	fname[MAX_PATH+1];

	if(tag==NULL)
		return(FALSE);
	sprintf(fname,"%suser/%04d.smtpblock",scfg->data_dir,usernum);