static void
process_extended_fsync(u_int32_t id)
{
int handle, fd, r, status = SSH2_FX_OP_UNSUPPORTED;
if ((r = get_handle(iqueue, &handle)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug3("request %u: fsync (handle %u)", id, handle);
verbose("fsync \"%s\"", handle_to_name(handle));
if ((fd = handle_to_fd(handle)) < 0)
status = SSH2_FX_NO_SUCH_FILE;
else if (handle_is_ok(handle, HANDLE_FILE)) {
r = fsync(fd);
status = (r == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
}
send_status(id, status);
}
static void
process_setstat(u_int32_t id)
{
Attrib a;
char *name;
int r, status = SSH2_FX_OK;
if ((r = sshbuf_get_cstring(iqueue, &name, NULL)) != 0 ||
(r = decode_attrib(iqueue, &a)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug("request %u: setstat name \"%s\"", id, name);
if (a.flags & SSH2_FILEXFER_ATTR_SIZE) {
logit("set \"%s\" size %llu",
name, (unsigned long long)a.size);
r = truncate(name, a.size);
if (r == -1)
status = errno_to_portable(errno);
}
if (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS) {
logit("set \"%s\" mode %04o", name, a.perm);
r = chmod(name, a.perm & 07777);
if (r == -1)
status = errno_to_portable(errno);
}
if (a.flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
char buf[64];
time_t t = a.mtime;
strftime(buf, sizeof(buf), "%Y%m%d-%H:%M:%S",
localtime(&t));
logit("set \"%s\" modtime %s", name, buf);
r = utimes(name, attrib_to_tv(&a));
if (r == -1)
status = errno_to_portable(errno);
}
if (a.flags & SSH2_FILEXFER_ATTR_UIDGID) {
logit("set \"%s\" owner %lu group %lu", name,
(u_long)a.uid, (u_long)a.gid);
r = chown(name, a.uid, a.gid);
if (r == -1)
status = errno_to_portable(errno);
}
send_status(id, status);
free(name);
}
bool RNGDevice::run(SerialCommand *cmd)
{
// comment out for the optimization
//if (cmd == NULL) return false;
SerialCommandType type = cmd->get_type();
if (type == CMD_RNG_SEND) { // cmd from read()
switch ((RNGSendCommand)cmd->get_id()) {
case RNG_SEND_PAYLOAD: {
// in case it's forced
if (payload_len <= 0) return false;
#ifdef DEBUG
printf_P(PSTR("Payload [RNG]"));
for (uint16_t i = 0; i < payload_len; i++) printf_P(PSTR(" %02X"), payload[i]);
printf_P(PSTR("\r\n"));
#endif
if (!send(cmd, (const unsigned char *)&payload, payload_len)) {
payload_len = 0;
return false;
}
payload_len = 0;
break;
}
default:
return false;
}
} else if (type == CMD_RNG) {
switch ((RNGCommand)cmd->get_id()) {
case RNG_FLOOD_ON: // R0
flood = true;
break;
case RNG_FLOOD_OFF: // R1
payload_len = 0;
flood = false;
break; // calibration will be started on-the-fly
case RNG_STATUS: // R2
if (!send_status(cmd)) return false;
break;
default:
return false;
}
}
return true;
}
static void
process_extended(void)
{
u_int32_t id;
char *request;
id = get_int();
request = get_string(NULL);
if (strcmp(request, "*****@*****.**") == 0)
process_extended_posix_rename(id);
else if (strcmp(request, "*****@*****.**") == 0)
process_extended_statvfs(id);
else if (strcmp(request, "*****@*****.**") == 0)
process_extended_fstatvfs(id);
else
send_status(id, SSH2_FX_OP_UNSUPPORTED); /* MUST */
xfree(request);
}
static void
process_mkdir(u_int32_t id)
{
Attrib *a;
char *name;
int ret, mode, status = SSH2_FX_FAILURE;
name = get_string(NULL);
a = get_attrib();
mode = (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ?
a->perm & 07777 : 0777;
debug3("request %u: mkdir", id);
logit("mkdir name \"%s\" mode 0%o", name, mode);
ret = mkdir(name, mode);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
send_status(id, status);
free(name);
}
static void
process_extended_statvfs(u_int32_t id)
{
char *path;
struct statvfs st;
int r;
if ((r = sshbuf_get_cstring(iqueue, &path, NULL)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug3("request %u: statvfs", id);
logit("statvfs \"%s\"", path);
if (statvfs(path, &st) != 0)
send_status(id, errno_to_portable(errno));
else
send_statvfs(id, &st);
free(path);
}
static void
process_extended_hardlink(u_int32_t id)
{
char *oldpath, *newpath;
int r, status;
if ((r = sshbuf_get_cstring(iqueue, &oldpath, NULL)) != 0 ||
(r = sshbuf_get_cstring(iqueue, &newpath, NULL)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug3("request %u: hardlink", id);
logit("hardlink old \"%s\" new \"%s\"", oldpath, newpath);
r = link(oldpath, newpath);
status = (r == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
send_status(id, status);
free(oldpath);
free(newpath);
}
static void
process_symlink(void)
{
u_int32_t id;
char *oldpath, *newpath;
int ret, status;
id = get_int();
oldpath = get_string(NULL);
newpath = get_string(NULL);
TRACE("symlink id %u old %s new %s", id, oldpath, newpath);
/* this will fail if 'newpath' exists */
ret = symlink(oldpath, newpath);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
send_status(id, status);
xfree(oldpath);
xfree(newpath);
}
static void
process_setstat(u_int32_t id)
{
Attrib *a;
char *name;
int status = SSH2_FX_OK, ret;
name = get_string(NULL);
a = get_attrib();
debug("request %u: setstat name \"%s\"", id, name);
if (a->flags & SSH2_FILEXFER_ATTR_SIZE) {
logit("set \"%s\" size %llu",
name, (unsigned long long)a->size);
ret = truncate(name, a->size);
if (ret == -1)
status = errno_to_portable(errno);
}
if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) {
logit("set \"%s\" mode %04o", name, a->perm);
ret = chmod(name, a->perm & 07777);
if (ret == -1)
status = errno_to_portable(errno);
}
if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
char buf[64];
time_t t = a->mtime;
strftime(buf, sizeof(buf), "%Y%m%d-%H:%M:%S",
localtime(&t));
logit("set \"%s\" modtime %s", name, buf);
ret = utimes(name, attrib_to_tv(a));
if (ret == -1)
status = errno_to_portable(errno);
}
if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
logit("set \"%s\" owner %lu group %lu", name,
(u_long)a->uid, (u_long)a->gid);
ret = chown(name, a->uid, a->gid);
if (ret == -1)
status = errno_to_portable(errno);
}
send_status(id, status);
free(name);
}
static void
process_write(void)
{
u_int32_t id;
u_int64_t off;
u_int len;
int handle, fd, ret, status;
char *data;
id = get_int();
handle = get_handle();
off = get_int64();
data = get_string(&len);
debug("request %u: write \"%s\" (handle %d) off %llu len %d",
id, handle_to_name(handle), handle, (unsigned long long)off, len);
fd = handle_to_fd(handle);
if (fd < 0)
status = SSH2_FX_FAILURE;
else if (readonly)
status = SSH2_FX_PERMISSION_DENIED;
else {
if (lseek(fd, off, SEEK_SET) < 0) {
status = errno_to_portable(errno);
error("process_write: seek failed");
} else {
/* XXX ATOMICIO ? */
ret = write(fd, data, len);
if (ret < 0) {
error("process_write: write failed");
status = errno_to_portable(errno);
} else if ((size_t)ret == len) {
status = SSH2_FX_OK;
handle_update_write(handle, ret);
} else {
debug2("nothing at all written");
status = SSH2_FX_FAILURE;
}
}
}
send_status(id, status);
xfree(data);
}
static void
process_mkdir(void)
{
Attrib *a;
u_int32_t id;
char *name;
int ret, mode, status = SSH2_FX_FAILURE;
id = get_int();
name = get_string(NULL);
a = get_attrib();
mode = (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ?
a->perm & 0777 : 0777;
TRACE("mkdir id %u name %s mode 0%o", id, name, mode);
ret = mkdir(name, mode);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
send_status(id, status);
xfree(name);
}
void SFTP::process_remove(void)
{
char *utf8_name;
u_int32_t id;
int status = SSH2_FX_FAILURE;
id = get_int();
utf8_name = (char*) get_string(NULL);
debug3("request %u: remove", (unsigned) id);
logit("remove name \"%s\"", utf8_name);
const SFTPFilePath path = pathFact.create_path (utf8_name);
BOOL res = ::DeleteFileW (path.get_for_call ().c_str ());
status = (!res)
? errno_to_portable(::GetLastError ())
: SSH2_FX_OK;
send_status(id, status);
xfree(utf8_name);
}
static int process_reply(int sock, int type,
struct iovec *out_iovec, int retval)
{
switch (type) {
case T_OPEN:
case T_CREATE:
if (send_fd(sock, retval) < 0) {
return -1;
}
break;
case T_MKNOD:
case T_MKDIR:
case T_SYMLINK:
case T_LINK:
case T_CHMOD:
case T_CHOWN:
case T_TRUNCATE:
case T_UTIME:
case T_RENAME:
case T_REMOVE:
case T_LSETXATTR:
case T_LREMOVEXATTR:
if (send_status(sock, out_iovec, retval) < 0) {
return -1;
}
break;
case T_LSTAT:
case T_STATFS:
case T_READLINK:
case T_LGETXATTR:
case T_LLISTXATTR:
case T_GETVERSION:
if (send_response(sock, out_iovec, retval) < 0) {
return -1;
}
break;
default:
return -1;
break;
}
return 0;
}
static void
process_write(u_int32_t id)
{
u_int64_t off;
size_t len;
int r, handle, fd, ret, status;
u_char *data;
if ((r = get_handle(iqueue, &handle)) != 0 ||
(r = sshbuf_get_u64(iqueue, &off)) != 0 ||
(r = sshbuf_get_string(iqueue, &data, &len)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug("request %u: write \"%s\" (handle %d) off %llu len %zu",
id, handle_to_name(handle), handle, (unsigned long long)off, len);
fd = handle_to_fd(handle);
if (fd < 0)
status = SSH2_FX_FAILURE;
else {
if (!(handle_to_flags(handle) & O_APPEND) &&
lseek(fd, off, SEEK_SET) < 0) {
status = errno_to_portable(errno);
error("process_write: seek failed");
} else {
/* XXX ATOMICIO ? */
ret = write(fd, data, len);
if (ret < 0) {
error("process_write: write failed");
status = errno_to_portable(errno);
} else if ((size_t)ret == len) {
status = SSH2_FX_OK;
handle_update_write(handle, ret);
} else {
debug2("nothing at all written");
status = SSH2_FX_FAILURE;
}
}
}
send_status(id, status);
free(data);
}
static void
process_rmdir(void)
{
u_int32_t id;
char *name;
int ret, status;
id = get_int();
name = get_string(NULL);
debug3("request %u: rmdir", id);
logit("rmdir name \"%s\"", name);
if (readonly)
status = SSH2_FX_PERMISSION_DENIED;
else {
ret = rmdir(name);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
}
send_status(id, status);
xfree(name);
}
static void
process_mkdir(u_int32_t id)
{
Attrib a;
char *name;
int r, mode, status = SSH2_FX_FAILURE;
if ((r = sshbuf_get_cstring(iqueue, &name, NULL)) != 0 ||
(r = decode_attrib(iqueue, &a)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
mode = (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ?
a.perm & 07777 : 0777;
debug3("request %u: mkdir", id);
logit("mkdir name \"%s\" mode 0%o", name, mode);
r = mkdir(name, mode);
status = (r == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
send_status(id, status);
free(name);
}
static void
process_extended_posix_rename(u_int32_t id)
{
char *oldpath, *newpath;
int ret, status;
oldpath = get_string(NULL);
newpath = get_string(NULL);
debug3("request %u: posix-rename", id);
logit("posix-rename old \"%s\" new \"%s\"", oldpath, newpath);
if (readonly)
status = SSH2_FX_PERMISSION_DENIED;
else {
ret = rename(oldpath, newpath);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
}
send_status(id, status);
xfree(oldpath);
xfree(newpath);
}
static void
process_open(u_int32_t id)
{
u_int32_t pflags;
Attrib a;
char *name;
int r, handle, fd, flags, mode, status = SSH2_FX_FAILURE;
if ((r = sshbuf_get_cstring(iqueue, &name, NULL)) != 0 ||
(r = sshbuf_get_u32(iqueue, &pflags)) != 0 || /* portable flags */
(r = decode_attrib(iqueue, &a)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug3("request %u: open flags %d", id, pflags);
flags = flags_from_portable(pflags);
mode = (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ? a.perm : 0666;
logit("open \"%s\" flags %s mode 0%o",
name, string_from_portable(pflags), mode);
if (readonly &&
((flags & O_ACCMODE) == O_WRONLY ||
(flags & O_ACCMODE) == O_RDWR)) {
verbose("Refusing open request in read-only mode");
status = SSH2_FX_PERMISSION_DENIED;
} else {
fd = open(name, flags, mode);
if (fd < 0) {
status = errno_to_portable(errno);
} else {
handle = handle_new(HANDLE_FILE, name, fd, flags, NULL);
if (handle < 0) {
close(fd);
} else {
send_handle(id, handle);
status = SSH2_FX_OK;
}
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
free(name);
}
// ***********************************************************
// Main program
//
int main(void) {
DDRD = 0x30; //4-5-pins output
DDRB = 0xFF; //
DDRC = 0xFF; //
// External interrupt adjustments
GICR |= 1 << INT0; //Enable INT0 (PD2)
MCUCR &= ~(1 << ISC01); //The low level of INT0 generates an interrupt request.
MCUCR &= ~(1 << ISC00);
//UART Port speed 115200 for the crystal freq. 7.3MHz
USART_init ();
ADC_init();
PWM_init();
USART_transmit('c');// Change the directory on
USART_transmit('d');//ARM to home. Cannot run
USART_transmit(' ');///home/status STATUS__
USART_transmit('/');//need to cd to /home
USART_transmit('h');
USART_transmit('o');
USART_transmit('m');
USART_transmit('e');
USART_transmit(0x0A);
while(1) {
//Check if the status of controller changed then send via UART otherwise don't send
if (memcmp ((char *)&PREV_AVR_STATUS, (char *)&AVR_STATUS, sizeof (avr_status)) != 0 ) {
send_status();
//after sending the status make the previous status - actual
memcpy ((char *)&PREV_AVR_STATUS, (char *)&AVR_STATUS, sizeof (avr_status));
}
_delay_us(10); // time which regulate the frequency of checking the status
} // Infinite loop
}//int main(void)
void usb_msd_device_t::command_complete(int reason, Bit32u tag, Bit32u arg)
{
USBPacket *p = s.packet;
if (tag != s.tag) {
BX_ERROR(("usb-msd_command_complete: unexpected SCSI tag 0x%x", tag));
}
if (reason == SCSI_REASON_DONE) {
BX_DEBUG(("command complete %d", arg));
s.residue = s.data_len;
s.result = arg != 0;
if (s.packet) {
if (s.data_len == 0 && s.mode == USB_MSDM_DATAOUT) {
send_status();
s.mode = USB_MSDM_CBW;
} else {
if (s.data_len) {
s.data_len -= s.usb_len;
if (s.mode == USB_MSDM_DATAIN)
memset(s.usb_buf, 0, s.usb_len);
s.usb_len = 0;
}
if (s.data_len == 0)
s.mode = USB_MSDM_CSW;
}
s.packet = NULL;
} else if (s.data_len == 0) {
s.mode = USB_MSDM_CSW;
}
return;
}
s.scsi_len = arg;
s.scsi_buf = s.scsi_dev->scsi_get_buf(tag);
if (p) {
copy_data();
if (s.usb_len == 0) {
BX_INFO(("packet complete %p", p));
s.packet = NULL;
}
}
}
static void
process_remove(void)
{
char *name;
u_int32_t id;
int status = SSH2_FX_FAILURE;
int ret;
id = get_int();
name = get_string(NULL);
debug3("request %u: remove", id);
logit("remove name \"%s\"", name);
if (readonly)
status = SSH2_FX_PERMISSION_DENIED;
else {
ret = unlink(name);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
}
send_status(id, status);
xfree(name);
}
DRESULT check_write_success()
{
USHORT timeout = 5000;
if((rec_byte() & 0x1F) == 0x05){
while(timeout){
timeout--;
if(rec_byte() == 0xFF)
//Greg added night before midterm
if(send_status() == RES_OK)
return RES_OK;
else
return RES_ERROR;
}
}
return RES_ERROR;
}//End of check_write_success
static void
process_symlink(void)
{
u_int32_t id;
struct stat st;
char *oldpath, *newpath;
int ret, status = SSH2_FX_FAILURE;
id = get_int();
oldpath = get_string(NULL);
newpath = get_string(NULL);
TRACE("symlink id %u old %s new %s", id, oldpath, newpath);
/* fail if 'newpath' exists */
if (stat(newpath, &st) == -1) {
ret = symlink(oldpath, newpath);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
}
send_status(id, status);
xfree(oldpath);
xfree(newpath);
}
static void service_stop(void)
{
send_status(SERVICE_STOP_PENDING, NO_ERROR, 5000, 1070);
if (hMustTerminate) {
SetEvent(hMustTerminate);
if (WaitForSingleObject(hThread, 4500) == WAIT_TIMEOUT) {
if (hThread) {
TerminateThread(hThread, 0);
event_log(1080, "Mixmaster Service terminated forcibly");
}
} else
event_log(20, "Mixmaster Service stopped");
CloseHandle(hMustTerminate);
hMustTerminate = NULL;
} else if (hThread)
TerminateThread(hThread, 0);
if (hThread)
CloseHandle(hThread);
hThread = NULL;
ssStatus.dwCurrentState = SERVICE_STOPPED;
} /* service_stop */
static void
process_read(u_int32_t id)
{
u_char buf[64*1024];
u_int32_t len;
int r, handle, fd, ret, status = SSH2_FX_FAILURE;
u_int64_t off;
if ((r = get_handle(iqueue, &handle)) != 0 ||
(r = sshbuf_get_u64(iqueue, &off)) != 0 ||
(r = sshbuf_get_u32(iqueue, &len)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug("request %u: read \"%s\" (handle %d) off %llu len %d",
id, handle_to_name(handle), handle, (unsigned long long)off, len);
if (len > sizeof buf) {
len = sizeof buf;
debug2("read change len %d", len);
}
fd = handle_to_fd(handle);
if (fd >= 0) {
if (lseek(fd, off, SEEK_SET) < 0) {
error("process_read: seek failed");
status = errno_to_portable(errno);
} else {
ret = read(fd, buf, len);
if (ret < 0) {
status = errno_to_portable(errno);
} else if (ret == 0) {
status = SSH2_FX_EOF;
} else {
send_data(id, buf, ret);
status = SSH2_FX_OK;
handle_update_read(handle, ret);
}
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
}
static void
process_read(void)
{
char buf[64*1024];
u_int32_t id, len;
int handle, fd, ret, status = SSH2_FX_FAILURE;
u_int64_t off;
id = get_int();
handle = get_handle();
off = get_int64();
len = get_int();
debug("request %u: read \"%s\" (handle %d) off %llu len %d",
id, handle_to_name(handle), handle, (unsigned long long)off, len);
if (len > sizeof buf) {
len = sizeof buf;
debug2("read change len %d", len);
}
fd = handle_to_fd(handle);
if (fd >= 0) {
if (lseek(fd, off, SEEK_SET) < 0) {
error("process_read: seek failed");
status = errno_to_portable(errno);
} else {
ret = read(fd, buf, len);
if (ret < 0) {
status = errno_to_portable(errno);
} else if (ret == 0) {
status = SSH2_FX_EOF;
} else {
send_data(id, buf, ret);
status = SSH2_FX_OK;
handle_update_read(handle, ret);
}
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
}
static void
process_open(u_int32_t id)
{
u_int32_t pflags;
Attrib *a;
char *name;
int handle, fd, flags, mode, status = SSH2_FX_FAILURE;
name = get_string(NULL);
pflags = get_int(); /* portable flags */
debug3("request %u: open flags %d", id, pflags);
a = get_attrib();
flags = flags_from_portable(pflags);
mode = (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ? a->perm : 0666;
logit("open \"%s\" flags %s mode 0%o",
name, string_from_portable(pflags), mode);
if (readonly &&
((flags & O_ACCMODE) == O_WRONLY ||
(flags & O_ACCMODE) == O_RDWR)) {
verbose("Refusing open request in read-only mode");
status = SSH2_FX_PERMISSION_DENIED;
} else {
fd = open(name, flags, mode);
if (fd < 0) {
status = errno_to_portable(errno);
} else {
handle = handle_new(HANDLE_FILE, name, fd, flags, NULL);
if (handle < 0) {
close(fd);
} else {
send_handle(id, handle);
status = SSH2_FX_OK;
}
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
free(name);
}
static void
process_readlink(u_int32_t id)
{
int len;
char buf[MAXPATHLEN];
char *path;
path = get_string(NULL);
debug3("request %u: readlink", id);
verbose("readlink \"%s\"", path);
if ((len = readlink(path, buf, sizeof(buf) - 1)) == -1)
send_status(id, errno_to_portable(errno));
else {
Stat s;
buf[len] = '\0';
attrib_clear(&s.attrib);
s.name = s.long_name = buf;
send_names(id, 1, &s);
}
free(path);
}
void SFTP::process_symlink(void)
{
u_int32_t id;
char *utf8_oldpath, *utf8_newpath;
id = get_int();
utf8_oldpath = (char*) get_string(NULL);
utf8_newpath = (char*) get_string(NULL);
debug3("request %u: symlink", (unsigned) id);
logit("symlink old \"%s\" new \"%s\"",
utf8_oldpath, utf8_newpath);
// TODO can be added on Vista+
#if 0
/* this will fail if 'newpath' exists */
ret = symlink(oldpath, newpath);
status = (ret == -1) ? errno_to_portable(::GetLastError ()) : SSH2_FX_OK;
#endif
const u_int32_t status = SSH2_FX_OP_UNSUPPORTED;
send_status(id, status);
xfree(utf8_oldpath);
xfree(utf8_newpath);
}
static void
process_read(void)
{
char buf[64*1024];
u_int32_t id, len;
int handle, fd, ret, status = SSH2_FX_FAILURE;
u_int64_t off;
id = get_int();
handle = get_handle();
off = get_int64();
len = get_int();
TRACE("read id %u handle %d off %llu len %d", id, handle,
(u_int64_t)off, len);
if (len > sizeof buf) {
len = sizeof buf;
log("read change len %d", len);
}
fd = handle_to_fd(handle);
if (fd >= 0) {
if (lseek(fd, off, SEEK_SET) < 0) {
error("process_read: seek failed");
status = errno_to_portable(errno);
} else {
ret = read(fd, buf, len);
if (ret < 0) {
status = errno_to_portable(errno);
} else if (ret == 0) {
status = SSH2_FX_EOF;
} else {
send_data(id, buf, ret);
status = SSH2_FX_OK;
}
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
}
