harvey/sys/src/cmd/aquarela/smbcomecho.c

/*
 * This file is part of the UCB release of Plan 9. It is subject to the license
 * terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
 * part of the UCB release of Plan 9, including this file, may be copied,
 * modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */

#include "headers.h"

SmbProcessResult
smbcomecho(SmbSession *s, SmbHeader *h, uint8_t *pdata, SmbBuffer *b)
{
	uint16_t echocount, e;
	if (!smbcheckwordcount("comecho", h, 1))
		return SmbProcessResultFormat;
	echocount = smbnhgets(pdata);
	for (e = 0; e < echocount; e++) {
		uint32_t bytecountfixupoffset;
		SmbProcessResult pr;
		if (!smbbufferputheader(s->response, h, &s->peerinfo)
			|| !smbbufferputs(s->response, e))
			return SmbProcessResultMisc;
		bytecountfixupoffset = smbbufferwriteoffset(s->response);
		if (!smbbufferputbytes(s->response, smbbufferreadpointer(b), smbbufferreadspace(b))
			|| !smbbufferfixuprelatives(s->response, bytecountfixupoffset))
			return SmbProcessResultMisc;
		pr = smbresponsesend(s);
		if (pr != SmbProcessResultOk)
			return SmbProcessResultDie;
	}
	return SmbProcessResultOk;
}