tftpd/src/srv.c - diff

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Diff for /tftpd/src/srv.c between versions 1.2.2.1 and 1.2.2.7

version 1.2.2.1, 2014/02/20 00:44:49	version 1.2.2.7, 2014/02/20 16:04:03
Line 63 txData(sched_task_t *task)	Line 63 txData(sched_task_t *task)
n = htons(cli.seq);	n = htons(cli.seq);
rpack_uint16(pkt, &n, 0);	rpack_uint16(pkt, &n, 0);

len = pread(cli.fd, RPACK_NEXT(pkt), cli.siz, (cli.seq - 1) * cli.siz);	/* max file size check */
	if (cli.tsiz && cli.tsiz < cli.seq * cli.siz) {
	len = cli.tsiz - (cli.seq - 1) * cli.siz;
	cli.close = 42; /* last sended packet, should be close! */
	} else
	len = cli.siz;

	len = pread(cli.fd, RPACK_NEXT(pkt), len, (cli.seq - 1) * cli.siz);
if (len == -1) {	if (len == -1) {
ESYSERR(0);	ESYSERR(0);
code = htole16(3);	code = htole16(3);
Line 117 txAck(sched_task_t *task)	Line 124 txAck(sched_task_t *task)
}	}

static int	static int
getOpts(rpack_t * __restrict pkt)	getOpts(rpack_t * __restrict pkt, int rlen)
{	{
	char opt, val;
	int len;

	if (!rlen)
	return -1;

	do {
	/* option */
	len = str_getString(RPACK_NEXT(pkt), RPACK_REMAIN(pkt), NULL);
	if (len == -1)
	return -1;
	else
	rlen -= len;
	opt = (char*) rpack_rnext(pkt, len);
	if (!opt)
	return -1;
	EVERBOSE(7, "opt=%s rlen=%d", opt, rlen);
	/* value */
	len = str_getString(RPACK_NEXT(pkt), RPACK_REMAIN(pkt), NULL);
	if (len == -1)
	return -1;
	else
	rlen -= len;
	val = (char*) rpack_rnext(pkt, len);
	if (!val)
	return -1;
	EVERBOSE(7, "val=%s rlen=%d", val, rlen);

	if (!strcasecmp(opt, TFTP_OPT_BLKSIZE)) {
	cli.tmp = strtol(val, NULL, 10);
	} else if (!strcasecmp(opt, TFTP_OPT_TSIZE))
	cli.tsiz = strtoll(val, NULL, 10);
	else if (!strcasecmp(opt, TFTP_OPT_TIMEOUT))
	cli.tout = strtol(val, NULL, 10);
	else if (!strcasecmp(opt, TFTP_OPT_ROLLOVER))
	cli.roll = strtol(val, NULL, 10);
	} while (rlen > 0);

	EVERBOSE(4, "blksize=%u tsize=%llu timeout=%u rollover=%u",
	cli.siz, cli.tsiz, cli.tout, cli.roll);
return 0;	return 0;
}	}

Line 157 txOack(sched_task_t *task)	Line 204 txOack(sched_task_t *task)
rpack_rdata(pkt, TFTP_OPT_TIMEOUT, strlen(TFTP_OPT_TIMEOUT) + 1);	rpack_rdata(pkt, TFTP_OPT_TIMEOUT, strlen(TFTP_OPT_TIMEOUT) + 1);
rpack_rdata(pkt, szStr, strlen(szStr) + 1);	rpack_rdata(pkt, szStr, strlen(szStr) + 1);
}	}
	if (cli.roll) {
	memset(szStr, 0, sizeof szStr);
	snprintf(szStr, sizeof szStr, "%u", cli.roll);
	rpack_rdata(pkt, TFTP_OPT_ROLLOVER, strlen(TFTP_OPT_ROLLOVER) + 1);
	rpack_rdata(pkt, szStr, strlen(szStr) + 1);
	}

	EVERBOSE(4, "blksize=%u tsize=%llu timeout=%u rollover=%u",
	cli.siz, cli.tsiz, cli.tout, cli.roll);
schedEvent(TASK_ROOT(task), txPkt, NULL, TASK_FD(task),	schedEvent(TASK_ROOT(task), txPkt, NULL, TASK_FD(task),
TASK_DATA(task), RPACK_OFF(pkt));	TASK_DATA(task), RPACK_OFF(pkt));
taskExit(task, NULL);	taskExit(task, NULL);
Line 175 RQ(sched_task_t *task)	Line 230 RQ(sched_task_t *task)
ETRACE();	ETRACE();

cli.siz = TFTP_LOAD_MAX;	cli.siz = TFTP_LOAD_MAX;
	cli.opc = ntohs(rpack_uint16(pkt, NULL, 0));
len = str_getString(tftp->tftp_data, rlen, &str);	len = str_getString(tftp->tftp_data, rlen, &str);
if (len == -1)	if (len == -1)
goto end;	goto end;
else {	else {
rlen -= len;	rlen -= len;
	rpack_rnext(pkt, len);
strlcpy(cli.file, (char*) tftp->tftp_data, sizeof cli.file);	strlcpy(cli.file, (char*) tftp->tftp_data, sizeof cli.file);
}	}
len = str_getString((const u_char*) str, rlen, NULL);	len = str_getString((const u_char*) str, rlen, NULL);
Line 187 RQ(sched_task_t *task)	Line 244 RQ(sched_task_t *task)
goto end;	goto end;
else {	else {
rlen -= len;	rlen -= len;
	rpack_rnext(pkt, len);
if (!strcasecmp(str, TFTP_MODE_ASCII))	if (!strcasecmp(str, TFTP_MODE_ASCII))
strlcpy(cli.mode, TFTP_MODE_ASCII, sizeof cli.mode);	strlcpy(cli.mode, TFTP_MODE_ASCII, sizeof cli.mode);
else if (!strcasecmp(str, TFTP_MODE_OCTET))	else if (!strcasecmp(str, TFTP_MODE_OCTET))
Line 201 RQ(sched_task_t *task)	Line 259 RQ(sched_task_t *task)
}	}
}	}

cli.opc = ntohs(tftp->tftp_opc);
switch (cli.opc) {	switch (cli.opc) {
case TFTP_OPC_RRQ:	case TFTP_OPC_RRQ:
code = O_RDONLY;	code = O_RDONLY;
Line 216 RQ(sched_task_t *task)	Line 273 RQ(sched_task_t *task)
break;	break;
}	}

if (!RPACK_ISEND(pkt) && !getOpts(pkt))
schedEvent(TASK_ROOT(task), txOack, NULL, TASK_FD(task),
TASK_DATA(task), 0);

cli.fd = open(cli.file, code, 0644);	cli.fd = open(cli.file, code, 0644);
if (cli.fd == -1) {	if (cli.fd == -1) {
if (errno == EACCES)	if (errno == EACCES)
Line 237 RQ(sched_task_t *task)	Line 290 RQ(sched_task_t *task)

schedEvent(TASK_ROOT(task), execProg, "request", 0, NULL, cli.opc);	schedEvent(TASK_ROOT(task), execProg, "request", 0, NULL, cli.opc);

if (cli.opc == TFTP_OPC_WRQ) {	if (!getOpts(pkt, rlen)) {
	if (cli.tmp > TFTP_LOAD_MAX) {
	if (rpack_resize(pkt, cli.tmp + 4))
	ELIBERR(elwix);
	else
	cli.siz = cli.tmp;
	}
	schedEvent(TASK_ROOT(task), txOack, NULL, TASK_FD(task),
	TASK_DATA(task), 0);
	} else if (cli.opc == TFTP_OPC_WRQ) {
/* ack */	/* ack */
tftp->tftp_opc = htons(TFTP_OPC_ACK);	tftp->tftp_opc = htons(TFTP_OPC_ACK);
RPACK_REWIND(pkt);	RPACK_REWIND(pkt);
Line 335 DATA(sched_task_t *task)	Line 397 DATA(sched_task_t *task)
} else	} else
cli.seq = ntohs(code);	cli.seq = ntohs(code);

	/* max file size check */
len = TASK_DATLEN(task) - RPACK_OFF(pkt);	len = TASK_DATLEN(task) - RPACK_OFF(pkt);
	if (cli.tsiz && cli.tsiz < cli.seq * cli.siz)
	len = MIN(len, cli.tsiz - (cli.seq - 1) * cli.siz);
if (len < cli.siz)	if (len < cli.siz)
cli.close = 42; /* last received packet, should be close! */	cli.close = 42; /* last received packet, should be close! */

Line 418 rxPkt(sched_task_t *task)	Line 483 rxPkt(sched_task_t *task)
TASK_DATA(task), rlen);	TASK_DATA(task), rlen);
break;	break;
case TFTP_OPC_OACK:	case TFTP_OPC_OACK:
ELOGGER(LOG_WARNING, "oack");
/*
schedEvent(TASK_ROOT(task), OACK, NULL, TASK_FD(task),
TASK_DATA(task), rlen);
*/
break;
case TFTP_OPC_ERROR:	case TFTP_OPC_ERROR:
default:	default:
RPACK_REWIND(pkt);	RPACK_REWIND(pkt);

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.2.2.1
changed lines
	Added in v.1.2.2.7