/* Synchronet QWK to SMB message conversion routine */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
 * Copyright Rob Swindell - http://www.synchro.net/copyright.html			*
 *																			*
 * 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.					*
 * See the GNU General Public License for more details: gpl.txt or			*
 * http://www.fsf.org/copyleft/gpl.html										*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

#include "sbbs.h"
#include "qwk.h"
#include "utf8.h"

static bool qwk_parse_header_list(sbbs_t* sbbs, uint confnum, smbmsg_t* msg, str_list_t* headers, bool parse_sender_hfields, bool parse_recipient_hfields)
{
	char*    p;
	char     zone[32] = "";
	char     value[INI_MAX_VALUE_LEN + 1];
	int      i;
	uint16_t net_type;
	uint16_t hfield_type;

	if ((p = iniPopKey(headers, ROOT_SECTION, "Conference", value)) != NULL) {
		if (confnum > 0 && confnum != strtoul(value, NULL, 0)) {
			sbbs->errormsg(WHERE, ERR_CHK, "Conference number", confnum, value);
			return false;
		}
	}
	if ((p = iniPopKey(headers, ROOT_SECTION, "utf8", value)) != NULL) {
		if (stricmp(value, "true") == 0)
			msg->hdr.auxattr |= MSG_HFIELDS_UTF8;
	}
	if ((p = iniPopKey(headers, ROOT_SECTION, "format", value)) != NULL) {
		if (stricmp(value, "fixed") == 0)
			msg->hdr.auxattr |= MSG_FIXED_FORMAT;
	}

	if ((p = iniPopKey(headers, ROOT_SECTION, "WhenWritten", value)) != NULL) {
		xpDateTime_t dt = isoDateTimeStr_parse(p);

		msg->hdr.when_written = smb_when(xpDateTime_to_localtime(dt), dt.zone);
		sscanf(p, "%*s %4s", zone);
		if (zone[0])
			msg->hdr.when_written.zone = (ushort)strtoul(zone, NULL, 16);
	}

	if ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = RECIPIENT), value)) != NULL) {
		if (parse_recipient_hfields)
			smb_hfield_str(msg, hfield_type, p);
	}

	/* Recipient net address and type */
	if ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = RECIPIENTNETADDR), value)) != NULL) {
		if (confnum == 0 && parse_recipient_hfields) {
			net_type = smb_get_net_type_by_addr(p);
			if (smb_hfield_netaddr(msg, hfield_type, p, &net_type) == SMB_SUCCESS)
				smb_hfield_bin(msg, RECIPIENTNETTYPE, net_type);
		}
	}

	if ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SUBJECT), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);

	if ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SENDER), value)) != NULL) {
		if (parse_sender_hfields)
			smb_hfield_str(msg, hfield_type, p);
	}

	if ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SENDERNETADDR), value)) != NULL) {
		if (parse_sender_hfields) {
//			smb_hfield_str(msg,hfield_type,p);	this appears to be unnecessary
			net_type = smb_get_net_type_by_addr(p);
			if (smb_hfield_netaddr(msg, hfield_type, p, &net_type) == SMB_SUCCESS)
				smb_hfield_bin(msg, SENDERNETTYPE, net_type);
		}
	}

	if ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = RFC822MSGID), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);

	if ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = RFC822REPLYID), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);

	if ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = RFC822REPLYTO), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);

	/* Trace header fields */
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SENDERIPADDR), value)) != NULL) {
		if (parse_sender_hfields)
			smb_hfield_str(msg, hfield_type, p);
	}
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SENDERHOSTNAME), value)) != NULL) {
		if (parse_sender_hfields)
			smb_hfield_str(msg, hfield_type, p);
	}
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SENDERPROTOCOL), value)) != NULL) {
		if (parse_sender_hfields)
			smb_hfield_str(msg, hfield_type, p);
	}
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SENDERORG), value)) != NULL) {
		if (parse_sender_hfields)
			smb_hfield_str(msg, hfield_type, p);
	}

	/* FidoNet header fields */
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOAREA), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOSEENBY), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOPATH), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOMSGID), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOREPLYID), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOPID), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOFLAGS), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOTID), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOCHARSET), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = FIDOCTRL), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);

	/* Synchronet */
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SMB_EDITOR), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SMB_COLUMNS), value)) != NULL) {
		uint8_t columns = atoi(p);
		smb_hfield_bin(msg, hfield_type, columns);
	}
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = SMB_TAGS), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);

	/* USENET */
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = USENETPATH), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);
	while ((p = iniPopKey(headers, ROOT_SECTION, smb_hfieldtype(hfield_type = USENETNEWSGROUPS), value)) != NULL)
		smb_hfield_str(msg, hfield_type, p);

	/* Others (RFC-822) */
	for (i = 0; (*headers)[i] != NULL; i++)
		if ((*headers)[i][0])
			smb_hfield_str(msg, RFC822HEADER, (*headers)[i]);

	return true;
}

bool sbbs_t::qwk_new_msg(uint confnum, smbmsg_t* msg, char* hdrblk, int offset, str_list_t all_headers, bool parse_sender_hfields)
{
	char       str[128];
	char       to[128];
	str_list_t msg_headers;

	smb_freemsgmem(msg);

	snprintf(str, sizeof str, "%x", offset);
	msg_headers = iniGetSection(all_headers, str);
	if (msg_headers == NULL && all_headers != NULL) {
		errormsg(WHERE, ERR_CHK, "missing header section", offset);
		return false;
	}

	memset(msg, 0, sizeof(smbmsg_t));     /* Initialize message header */
	msg->hdr.version = smb_ver();

	snprintf(to, sizeof to, "%25.25s", (char *)hdrblk + 21);     /* To user */
	truncsp(to);

	if (msg_headers != NULL) {
		if (!qwk_parse_header_list(this, confnum, msg, &msg_headers, parse_sender_hfields, stricmp(to, "NETMAIL") != 0))
			return false;
	}

	/* Parse the QWK message header: */
	if (msg->hdr.when_written.time == 0) {
		struct      tm tm;
		memset(&tm, 0, sizeof(tm));
		tm.tm_mon = ((hdrblk[8] & 0xf) * 10) + (hdrblk[9] & 0xf);
		tm.tm_mday = ((hdrblk[11] & 0xf) * 10) + (hdrblk[12] & 0xf);
		tm.tm_year = ((hdrblk[14] & 0xf) * 10) + (hdrblk[15] & 0xf);
		if (tm.tm_year < Y2K_2DIGIT_WINDOW)
			tm.tm_year += 100;
		tm.tm_hour = ((hdrblk[16] & 0xf) * 10) + (hdrblk[17] & 0xf);
		tm.tm_min = ((hdrblk[19] & 0xf) * 10) + (hdrblk[20] & 0xf);

		msg->hdr.when_written = smb_when(sane_mktime(&tm), msg->hdr.when_written.zone);
	}

	if (msg->to == NULL)
		smb_hfield_str(msg, RECIPIENT, strip_ctrl(to, to));

	if (parse_sender_hfields && msg->from == NULL) {
		snprintf(str, sizeof str, "%25.25s", hdrblk + 46);
		truncsp(str);
		smb_hfield_str(msg, SENDER, strip_ctrl(str, str));
	}

	if (msg->subj == NULL) {
		snprintf(str, sizeof str, "%25.25s", hdrblk + 71);   /* Subject */
		truncsp(str);
		smb_hfield_str(msg, SUBJECT, strip_ctrl(str, str));
	}

	iniFreeStringList(msg_headers);
	return true;
}

/****************************************************************************/
/* Converts a QWK message packet into a message.							*/
/* Does *not* free the msgmem												*/
/****************************************************************************/
bool sbbs_t::qwk_import_msg(FILE *qwk_fp, char *hdrblk, uint blocks
                            , uint fromhub, smb_t* smb
                            , uint touser, smbmsg_t* msg, bool* dupe)
{
	char*      body;
	char*      tail;
	char*      qwkbuf;
	char       str[256], col = 0, lastch = 0, *p;
	char       from[128];
	int        i;
	uint       k;
	int        bodylen, taillen;
	bool       success = false;
	uint16_t   net_type;
	ushort     xlat = XLAT_NONE;
	int        dupechk_hashes = SMB_HASH_SOURCE_DUPE;
	str_list_t kludges;
	int        subnum = smb->subnum;

	*dupe = false;
	if (subnum != INVALID_SUB
	    && (hdrblk[0] == '*' || hdrblk[0] == '+' || cfg.sub[subnum]->misc & SUB_PONLY))
		msg->hdr.attr |= MSG_PRIVATE;
	if (subnum != INVALID_SUB && cfg.sub[subnum]->misc & SUB_AONLY)
		msg->hdr.attr |= MSG_ANONYMOUS;
	if (subnum == INVALID_SUB && cfg.sys_misc & SM_DELREADM)
		msg->hdr.attr |= MSG_KILLREAD;
	if ((fromhub || useron.rest & FLAG('Q')) &&
	    (hdrblk[0] == '*' || hdrblk[0] == '-' || hdrblk[0] == '`'))
		msg->hdr.attr |= MSG_READ;

	if (subnum != INVALID_SUB && !fromhub && cfg.sub[subnum]->mod_ar[0]
	    && chk_ar(cfg.sub[subnum]->mod_ar, &useron, &client))
		msg->hdr.attr |= MSG_MODERATED;
	if (subnum != INVALID_SUB && !fromhub && cfg.sub[subnum]->misc & SUB_SYSPERM
	    && sub_op(subnum))
		msg->hdr.attr |= MSG_PERMANENT;

	msg->hdr.when_imported.time = time32(NULL);
	msg->hdr.when_imported.zone = sys_timezone(&cfg);

	if (!(useron.rest & FLAG('Q')) && !fromhub && msg->hdr.when_written.zone == 0)
		msg->hdr.when_written = smb_when(msg->hdr.when_imported.time, msg->hdr.when_imported.zone);

	hdrblk[116] = 0;  // don't include number of blocks in "re: msg number"
	if (!(useron.rest & FLAG('Q')) && !fromhub)
		msg->hdr.thread_back = atol((char *)hdrblk + 108);

	if (subnum == INVALID_SUB) {       /* E-mail */

		/* duplicate message-IDs must be allowed in mail database */
		dupechk_hashes &= ~(1 << SMB_HASH_SOURCE_MSG_ID);

		snprintf(str, sizeof str, "%u", touser);
		smb_hfield_str(msg, RECIPIENTEXT, str);
	} else {

		if (cfg.sub[subnum]->misc & SUB_LZH)
			xlat = XLAT_LZH;
	}

	/********************************/
	/* Convert the QWK message text */
	/********************************/

	if ((qwkbuf = (char *)calloc(blocks, QWK_BLOCK_LEN)) == NULL) { // over-allocate for NULL termination
		errormsg(WHERE, ERR_ALLOC, "QWK msg buf", (blocks - 1) * QWK_BLOCK_LEN);
		return false;
	}

	if (fread(qwkbuf, QWK_BLOCK_LEN, blocks - 1, qwk_fp) != blocks - 1) {
		free(qwkbuf);
		errormsg(WHERE, ERR_READ, "QWK msg blocks", (blocks - 1) * QWK_BLOCK_LEN);
		return false;
	}
	/* Make the sentinel NUL explicit (calloc already zeroed it) so static
	 * analyzers see that downstream strchr/strlen/strlcpy on qwkbuf is bounded. */
	qwkbuf[(blocks - 1) * QWK_BLOCK_LEN] = '\0';

	bodylen = 0;
	if ((body = (char *)malloc((blocks - 1L) * QWK_BLOCK_LEN * 2L)) == NULL) {
		free(qwkbuf);
		errormsg(WHERE, ERR_ALLOC, "QWK msg body", (blocks - 1L) * QWK_BLOCK_LEN * 2L);
		return false;
	}

	taillen = 0;
	if ((tail = (char *)malloc((blocks - 1L) * QWK_BLOCK_LEN * 2L)) == NULL) {
		free(qwkbuf);
		free(body);
		errormsg(WHERE, ERR_ALLOC, "QWK msg tail", (blocks - 1L) * QWK_BLOCK_LEN * 2L);
		return false;
	}

	kludges = strListInit();

	char qwk_newline = QWK_NEWLINE;
	if (msg->hdr.auxattr & MSG_HFIELDS_UTF8)
		qwk_newline = '\n';

	for (k = 0; k < (blocks - 1) * QWK_BLOCK_LEN; k++) {
		if (qwkbuf[k] == 0)
			continue;
		if (bodylen == 0
		    && (qwkbuf[k] == '@'
		        || ((fromhub || (useron.qwk & QWK_EXT) || subnum == INVALID_SUB)
		            && (strnicmp(qwkbuf + k, "To:", 3) == 0
		                ||  strnicmp(qwkbuf + k, "From:", 5) == 0
		                ||  strnicmp(qwkbuf + k, "Subject:", 8) == 0)))) {
			if ((p = strchr(qwkbuf + k, '\r')) == NULL
			    && (p = strchr(qwkbuf + k, qwk_newline)) == NULL) {
				body[bodylen++] = qwkbuf[k];
				continue;
			}
			*p = 0;   /* Converts QWK_NEWLINE to NUL */
			strListPush(&kludges, qwkbuf + k);
			k += strlen(qwkbuf + k);
			continue;
		}
		if (!taillen && qwkbuf[k] == ' ' && col == 3 && bodylen >= 3
		    && body[bodylen - 3] == '-' && body[bodylen - 2] == '-'
		    && body[bodylen - 1] == '-') {
			bodylen -= 3;
			strcpy(tail, "--- ");    /* DO NOT USE SAFECOPY */
			taillen = 4;
			col++;
			continue;
		}
		if (qwkbuf[k] == qwk_newline) {        /* expand QWK_NEWLINE to crlf */
			if (!bodylen && !taillen)        /* Ignore blank lines at top of message */
				continue;
			if (!taillen && col == 3 && bodylen >= 3 && body[bodylen - 3] == '-'
			    && body[bodylen - 2] == '-' && (body[bodylen - 1] == '-' || body[bodylen - 1] == ' ')) {
				taillen = snprintf(tail, 128, "--%c", body[bodylen - 1]); /* DO NOT USE SAFECOPY */
				bodylen -= 3;
			}
			col = 0;
			if (taillen) {
				tail[taillen++] = CR;
				tail[taillen++] = LF;
			}
			else {
				body[bodylen++] = CR;
				body[bodylen++] = LF;
			}
			continue;
		}
		/* beep restrict */
		if (!fromhub && qwkbuf[k] == BEL && useron.rest & FLAG('B'))
			continue;
		/* ANSI restriction */
		if (!fromhub && (qwkbuf[k] == CTRL_A || qwkbuf[k] == ESC)
		    && useron.rest & FLAG('A'))
			continue;
		if (qwkbuf[k] != CTRL_A && lastch != CTRL_A)
			col++;
		if (lastch == CTRL_A && !valid_ctrl_a_attr(qwkbuf[k])) {
			if (taillen)
				taillen--;
			else
				bodylen--;
			lastch = 0;
			continue;
		}
		lastch = qwkbuf[k];
		if (taillen)
			tail[taillen++] = qwkbuf[k];
		else
			body[bodylen++] = qwkbuf[k];
	}
	free(qwkbuf);

	while (bodylen && body[bodylen - 1] == ' ') bodylen--; /* remove trailing spaces */
	if (bodylen >= 2 && body[bodylen - 2] == CR && body[bodylen - 1] == LF)
		bodylen -= 2;

	while (taillen && tail[taillen - 1] <= ' ') taillen--; /* remove trailing garbage */

	/* Parse QWK Kludges (QWKE standard and SyncQNET legacy) here: */
	if (useron.rest & FLAG('Q') || fromhub) {      /* QWK Net */
		if ((msg->from_net.type == NET_QWK && (p = (char*)msg->from_net.addr) != NULL)
		    || (p = iniGetValue(kludges, ROOT_SECTION, "@VIA", NULL, NULL)) != NULL) {
			if (!fromhub && p != msg->from_net.addr)
				set_qwk_flag(QWK_VIA);
			if (route_circ(p, cfg.sys_id)) {
				bprintf("\r\nCircular message path: %s\r\n", p);
				lprintf(LOG_ERR, "Circular message path: %s from %s"
				        , p, fromhub ? cfg.qhub[fromhub - 1]->id:useron.alias);
				strListFree(&kludges);
				free(body);
				free(tail);
				return false;
			}
			SAFEPRINTF2(str, "%s/%s"
			            , fromhub ? cfg.qhub[fromhub - 1]->id : useron.alias, p);
			strupr(str);
			update_qwkroute(str);
		}
		else {
			if (fromhub)
				SAFECOPY(str, cfg.qhub[fromhub - 1]->id);
			else
				SAFECOPY(str, useron.alias);
		}
		/* From network type & address: */
		strupr(str);
		net_type = NET_QWK;
		smb_hfield_netaddr(msg, SENDERNETADDR, str, &net_type);
		smb_hfield_bin(msg, SENDERNETTYPE, net_type);
	} else {
		snprintf(str, sizeof str, "%u", useron.number);
		smb_hfield_str(msg, SENDEREXT, str);
		if (subnum != INVALID_SUB && cfg.sub[subnum]->misc & SUB_NAME)
			SAFECOPY(from, useron.name);
		else
			SAFECOPY(from, useron.alias);
		smb_hfield_str(msg, SENDER, from);
	}
	if ((p = iniGetValue(kludges, ROOT_SECTION, "@MSGID", NULL, NULL)) != NULL) {
		if (!fromhub)
			set_qwk_flag(QWK_MSGID);
		truncstr(p, " ");                /* Truncate at first space char */
		if (msg->id == NULL)
			smb_hfield_str(msg, RFC822MSGID, p);
	}
	if ((p = iniGetValue(kludges, ROOT_SECTION, "@REPLY", NULL, NULL)) != NULL) {
		if (!fromhub)
			set_qwk_flag(QWK_MSGID);
		truncstr(p, " ");                /* Truncate at first space char */
		if (msg->reply_id == NULL)
			smb_hfield_str(msg, RFC822REPLYID, p);
	}
	if ((p = iniGetValue(kludges, ROOT_SECTION, "@TZ", NULL, NULL)) != NULL) {
		if (!fromhub)
			set_qwk_flag(QWK_TZ);
		msg->hdr.when_written.zone = (short)ahtoul(p);
	}
	if ((p = iniGetValue(kludges, ROOT_SECTION, "@REPLYTO", NULL, NULL)) != NULL) {
		if (msg->replyto == NULL)
			smb_hfield_str(msg, REPLYTO, p);
	}
	/* QWKE standard: */
	if ((p = iniGetValue(kludges, ROOT_SECTION, "Subject", NULL, NULL)) != NULL)
		smb_hfield_replace_str(msg, SUBJECT, p);
	if ((p = iniGetValue(kludges, ROOT_SECTION, "To", NULL, NULL)) != NULL)
		smb_hfield_replace_str(msg, RECIPIENT, p);
	/* Don't use the From: kludge, for security reasons */

	strListFree(&kludges);

	/* smb_addmsg requires ASCIIZ strings */
	body[bodylen] = 0;
	tail[taillen] = 0;

	if (msg->ftn_charset == NULL) {
		if (!(msg->hdr.auxattr & MSG_HFIELDS_UTF8)
		    && ((msg->to != NULL && !str_is_ascii(msg->to) && utf8_str_is_valid(msg->to))
		        || (msg->from != NULL && !str_is_ascii(msg->from) && utf8_str_is_valid(msg->from))
		        || (msg->subj != NULL && !str_is_ascii(msg->subj) && utf8_str_is_valid(msg->subj))))
			msg->hdr.auxattr |= MSG_HFIELDS_UTF8;
		if (!(msg->hdr.auxattr & MSG_HFIELDS_UTF8) && !str_is_ascii(body) && utf8_str_is_valid(body))
			msg->hdr.auxattr |= MSG_HFIELDS_UTF8;
		if (!(msg->hdr.auxattr & MSG_HFIELDS_UTF8) && !str_is_ascii(tail) && utf8_str_is_valid(tail))
			msg->hdr.auxattr |= MSG_HFIELDS_UTF8;
		const char* charset = FIDO_CHARSET_CP437;
		if (msg->hdr.auxattr & MSG_HFIELDS_UTF8)
			charset = FIDO_CHARSET_UTF8;
		else if (smb_msg_is_ascii(msg) && str_is_ascii(body) && str_is_ascii(tail))
			charset = FIDO_CHARSET_ASCII;
		smb_hfield_str(msg, FIDOCHARSET, charset);
	}

	bputs(P_REMOTE, text[WritingIndx]);

	if (smb->status.max_crcs == 0) /* no CRC checking means no body text dupe checking */
		dupechk_hashes &= ~(1 << SMB_HASH_SOURCE_BODY);

	add_msg_ids(&cfg, smb, msg, /* remsg: */ NULL);
	if ((i = smb_addmsg(smb, msg, smb_storage_mode(&cfg, smb), dupechk_hashes, xlat, (uchar*)body, (uchar*)tail)) == SMB_SUCCESS)
		success = true;
	else if (i == SMB_DUPE_MSG) {
		bprintf("\r\n!%s\r\n", smb->last_error);
		if (!fromhub) {
			if (subnum == INVALID_SUB) {
				llprintf(LOG_NOTICE, "E!", "duplicate e-mail attempt (%s)", smb->last_error);
			} else {
				llprintf(LOG_NOTICE, "P!", "duplicate message attempt in %s %s (%s)"
				            , cfg.grp[cfg.sub[subnum]->grp]->sname
				            , cfg.sub[subnum]->lname
				            , smb->last_error);
			}
		}
		*dupe = true;
	}
	else
		errormsg(WHERE, ERR_WRITE, smb->file, i, smb->last_error);

	free(body);
	free(tail);

	return success;
}

