static void
process_readdir(u_int32_t id)
{
DIR *dirp;
struct dirent *dp;
char *path;
int handle;
handle = get_handle();
debug("request %u: readdir \"%s\" (handle %d)", id,
handle_to_name(handle), handle);
dirp = handle_to_dir(handle);
path = handle_to_name(handle);
if (dirp == NULL || path == NULL) {
send_status(id, SSH2_FX_FAILURE);
} else {
struct stat st;
char pathname[MAXPATHLEN];
Stat *stats;
int nstats = 10, count = 0, i;
stats = xcalloc(nstats, sizeof(Stat));
while ((dp = readdir(dirp)) != NULL) {
if (count >= nstats) {
nstats *= 2;
stats = xrealloc(stats, nstats, sizeof(Stat));
}
/* XXX OVERFLOW ? */
snprintf(pathname, sizeof pathname, "%s%s%s", path,
strcmp(path, "/") ? "/" : "", dp->d_name);
if (lstat(pathname, &st) < 0)
continue;
stat_to_attrib(&st, &(stats[count].attrib));
stats[count].name = xstrdup(dp->d_name);
stats[count].long_name = ls_file(dp->d_name, &st, 0, 0);
count++;
/* send up to 100 entries in one message */
/* XXX check packet size instead */
if (count == 100)
break;
}
if (count > 0) {
send_names(id, count, stats);
for (i = 0; i < count; i++) {
free(stats[i].name);
free(stats[i].long_name);
}
} else {
send_status(id, SSH2_FX_EOF);
}
#ifdef NERSC_MOD
char* t1buf = encode_string(path, strlen(path));
s_audit("sftp_process_readdir_3", "count=%i int=%d uristring=%s",
get_client_session_id(), (int)getppid(), t1buf);
#endif
free(stats);
}
}
static void
process_readdir(u_int32_t id)
{
DIR *dirp;
struct dirent *dp;
char *path;
int r, handle;
if ((r = get_handle(iqueue, &handle)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug("request %u: readdir \"%s\" (handle %d)", id,
handle_to_name(handle), handle);
dirp = handle_to_dir(handle);
path = handle_to_name(handle);
if (dirp == NULL || path == NULL) {
send_status(id, SSH2_FX_FAILURE);
} else {
struct stat st;
char pathname[PATH_MAX];
Stat *stats;
int nstats = 10, count = 0, i;
stats = xcalloc(nstats, sizeof(Stat));
while ((dp = readdir(dirp)) != NULL) {
if (count >= nstats) {
nstats *= 2;
stats = xreallocarray(stats, nstats, sizeof(Stat));
}
/* XXX OVERFLOW ? */
snprintf(pathname, sizeof pathname, "%s%s%s", path,
strcmp(path, "/") ? "/" : "", dp->d_name);
if (lstat(pathname, &st) < 0)
continue;
stat_to_attrib(&st, &(stats[count].attrib));
stats[count].name = xstrdup(dp->d_name);
stats[count].long_name = ls_file(dp->d_name, &st, 0, 0);
count++;
/* send up to 100 entries in one message */
/* XXX check packet size instead */
if (count == 100)
break;
}
if (count > 0) {
send_names(id, count, stats);
for (i = 0; i < count; i++) {
free(stats[i].name);
free(stats[i].long_name);
}
} else {
send_status(id, SSH2_FX_EOF);
}
free(stats);
}
}
void SFTP::handle_log_close(int handle, char *emsg)
{
if (handle_is_ok(handle, HANDLE_FILE)) {
logit("%s%sclose \"%s\" bytes read %llu written %llu",
emsg == NULL ? "" : emsg, emsg == NULL ? "" : " ",
toUTF8(handle_to_name(handle)).c_str (),
(unsigned long long)handle_bytes_read(handle),
(unsigned long long)handle_bytes_write(handle));
} else {
logit("%s%sclosedir \"%s\"",
emsg == NULL ? "" : emsg, emsg == NULL ? "" : " ",
toUTF8(handle_to_name(handle)).c_str ());
}
}
static void
process_fstat(void)
{
Attrib a;
struct stat st;
u_int32_t id;
int fd, ret, handle, status = SSH2_FX_FAILURE;
id = get_int();
handle = get_handle();
debug("request %u: fstat \"%s\" (handle %u)",
id, handle_to_name(handle), handle);
fd = handle_to_fd(handle);
if (fd >= 0) {
ret = fstat(fd, &st);
if (ret < 0) {
status = errno_to_portable(errno);
} else {
stat_to_attrib(&st, &a);
send_attrib(id, &a);
status = SSH2_FX_OK;
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
}
void SFTP::process_fstat(void)
{
Attrib a;
BY_HANDLE_FILE_INFORMATION st;
u_int32_t id;
int handle, status = SSH2_FX_FAILURE;
id = get_int();
handle = get_handle();
debug("request %u: fstat \"%s\" (handle %u)",
id, toUTF8(handle_to_name(handle)).c_str (), handle);
const HANDLE fh = handle_to_fh(handle);
if (fh != INVALID_HANDLE_VALUE)
{
if (!::GetFileInformationByHandle (fh, &st))
{
status = errno_to_portable(::GetLastError ());
}
else
{
stat_to_attrib(&st, &a);
send_attrib(id, &a);
status = SSH2_FX_OK;
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
}
static void
process_fstat(u_int32_t id)
{
Attrib a;
struct stat st;
int fd, ret, handle, status = SSH2_FX_FAILURE;
handle = get_handle();
debug("request %u: fstat \"%s\" (handle %u)",
id, handle_to_name(handle), handle);
fd = handle_to_fd(handle);
if (fd >= 0) {
ret = fstat(fd, &st);
if (ret < 0) {
status = errno_to_portable(errno);
} else {
stat_to_attrib(&st, &a);
send_attrib(id, &a);
status = SSH2_FX_OK;
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
#ifdef NERSC_MOD
s_audit("sftp_process_fstat_3", "count=%i int=%d int=%d",
get_client_session_id(), (int)getppid(), handle);
#endif
}
static void
process_fstat(u_int32_t id)
{
Attrib a;
struct stat st;
int fd, r, handle, status = SSH2_FX_FAILURE;
if ((r = get_handle(iqueue, &handle)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug("request %u: fstat \"%s\" (handle %u)",
id, handle_to_name(handle), handle);
fd = handle_to_fd(handle);
if (fd >= 0) {
r = fstat(fd, &st);
if (r < 0) {
status = errno_to_portable(errno);
} else {
stat_to_attrib(&st, &a);
send_attrib(id, &a);
status = SSH2_FX_OK;
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
}
void SFTP::process_write(void)
{
u_int32_t id;
u_int64_t off;
u_int len;
int handle, status = SSH2_FX_FAILURE;
char *data;
id = get_int();
handle = get_handle();
off = get_int64();
data = (char*) get_string(&len);
#ifdef SLOW_DEBUG
debug("request %u: write \"%s\" (handle %d) off %llu len %d",
id,
toUTF8 (handle_to_name(handle)).c_str (),
handle, (unsigned long long)off, len);
#endif
HANDLE fh = handle_to_fh(handle);
if (fh != INVALID_HANDLE_VALUE) {
LARGE_INTEGER largeOffset;
largeOffset.QuadPart = off;
if (!::SetFilePointerEx
(fh, largeOffset, NULL, FILE_BEGIN)
)
{
status = errno_to_portable(::GetLastError ());
error("process_write: seek failed");
}
else
{
/* XXX ATOMICIO ? */
DWORD nBytesWritten;
if (!::WriteFile (fh, data, len, &nBytesWritten, 0))
{
error("process_write: write failed");
int err = ::GetLastError ();
if (err != 0)
status = errno_to_portable(err);
else
status = SSH2_FX_FAILURE; //TODO reason?
}
else if ((size_t) nBytesWritten == len)
{
status = SSH2_FX_OK;
handle_update_write(handle, (ssize_t) nBytesWritten);
}
else
{
debug2("nothing at all written");
}
}
}
send_status(id, status);
xfree(data);
}
static void
process_fsetstat(void)
{
Attrib *a;
u_int32_t id;
int handle, fd, ret;
int status = SSH2_FX_OK;
id = get_int();
handle = get_handle();
a = get_attrib();
debug("request %u: fsetstat handle %d", id, handle);
fd = handle_to_fd(handle);
if (fd < 0)
status = SSH2_FX_FAILURE;
else if (readonly)
status = SSH2_FX_PERMISSION_DENIED;
else {
char *name = handle_to_name(handle);
if (a->flags & SSH2_FILEXFER_ATTR_SIZE) {
logit("set \"%s\" size %llu",
name, (unsigned long long)a->size);
ret = ftruncate(fd, 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 = fchmod(fd, 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 = futimes(fd, 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 = fchown(fd, a->uid, a->gid);
if (ret == -1)
status = errno_to_portable(errno);
}
}
send_status(id, status);
}
static void
process_readdir(void)
{
DIR *dirp;
struct dirent *dp;
char *path;
int handle;
u_int32_t id;
id = get_int();
handle = get_handle();
TRACE("readdir id %u handle %d", id, handle);
dirp = handle_to_dir(handle);
path = handle_to_name(handle);
if (dirp == NULL || path == NULL) {
send_status(id, SSH2_FX_FAILURE);
} else {
struct stat st;
char pathname[1024];
Stat *stats;
int nstats = 10, count = 0, i;
stats = xmalloc(nstats * sizeof(Stat));
while ((dp = readdir(dirp)) != NULL) {
if (count >= nstats) {
nstats *= 2;
stats = xrealloc(stats, nstats * sizeof(Stat));
}
/* XXX OVERFLOW ? */
snprintf(pathname, sizeof pathname, "%s%s%s", path,
strcmp(path, "/") ? "/" : "", dp->d_name);
if (lstat(pathname, &st) < 0)
continue;
stat_to_attrib(&st, &(stats[count].attrib));
stats[count].name = xstrdup(dp->d_name);
stats[count].long_name = ls_file(dp->d_name, &st);
count++;
/* send up to 100 entries in one message */
/* XXX check packet size instead */
if (count == 100)
break;
}
if (count > 0) {
send_names(id, count, stats);
for (i = 0; i < count; i++) {
xfree(stats[i].name);
xfree(stats[i].long_name);
}
} else {
send_status(id, SSH2_FX_EOF);
}
xfree(stats);
}
}
static void
process_fsetstat(void)
{
Attrib *a;
u_int32_t id;
int handle, fd, ret;
int status = SSH2_FX_OK;
char *name;
id = get_int();
handle = get_handle();
a = get_attrib();
TRACE("fsetstat id %u handle %d", id, handle);
fd = handle_to_fd(handle);
name = handle_to_name(handle);
if (fd < 0 || name == NULL) {
status = SSH2_FX_FAILURE;
} else {
if (a->flags & SSH2_FILEXFER_ATTR_SIZE) {
ret = ftruncate(fd, a->size);
if (ret == -1)
status = errno_to_portable(errno);
}
if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) {
#ifdef HAVE_FCHMOD
ret = fchmod(fd, a->perm & 0777);
#else
ret = chmod(name, a->perm & 0777);
#endif
if (ret == -1)
status = errno_to_portable(errno);
}
if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
#ifdef HAVE_FUTIMES
ret = futimes(fd, attrib_to_tv(a));
#else
ret = utimes(name, attrib_to_tv(a));
#endif
if (ret == -1)
status = errno_to_portable(errno);
}
if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
#ifdef HAVE_FCHOWN
ret = fchown(fd, a->uid, a->gid);
#else
ret = chown(name, a->uid, a->gid);
#endif
if (ret == -1)
status = errno_to_portable(errno);
}
}
send_status(id, status);
}
static void
process_fsetstat(u_int32_t id)
{
Attrib a;
int handle, fd, r;
int status = SSH2_FX_OK;
if ((r = get_handle(iqueue, &handle)) != 0 ||
(r = decode_attrib(iqueue, &a)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug("request %u: fsetstat handle %d", id, handle);
fd = handle_to_fd(handle);
if (fd < 0)
status = SSH2_FX_FAILURE;
else {
char *name = handle_to_name(handle);
if (a.flags & SSH2_FILEXFER_ATTR_SIZE) {
logit("set \"%s\" size %llu",
name, (unsigned long long)a.size);
r = ftruncate(fd, 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 = fchmod(fd, 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 = futimes(fd, 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 = fchown(fd, a.uid, a.gid);
if (r == -1)
status = errno_to_portable(errno);
}
}
send_status(id, status);
}
static void
process_extended_fsync(u_int32_t id)
{
int handle, fd, ret, status = SSH2_FX_OP_UNSUPPORTED;
handle = get_handle();
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)) {
ret = fsync(fd);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
}
send_status(id, status);
}
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_extended_fstatvfs(u_int32_t id)
{
int handle, fd;
struct statvfs st;
handle = get_handle();
debug("request %u: fstatvfs \"%s\" (handle %u)",
id, handle_to_name(handle), handle);
if ((fd = handle_to_fd(handle)) < 0) {
send_status(id, SSH2_FX_FAILURE);
return;
}
if (fstatvfs(fd, &st) != 0)
send_status(id, errno_to_portable(errno));
else
send_statvfs(id, &st);
}
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_extended_fstatvfs(u_int32_t id)
{
int r, handle, fd;
struct statvfs st;
if ((r = get_handle(iqueue, &handle)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
debug("request %u: fstatvfs \"%s\" (handle %u)",
id, handle_to_name(handle), handle);
if ((fd = handle_to_fd(handle)) < 0) {
send_status(id, SSH2_FX_FAILURE);
return;
}
if (fstatvfs(fd, &st) != 0)
send_status(id, errno_to_portable(errno));
else
send_statvfs(id, &st);
}
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_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_fsetstat(u_int32_t id)
{
Attrib *a;
int handle, fd, ret;
int status = SSH2_FX_OK;
handle = get_handle();
a = get_attrib();
debug("request %u: fsetstat handle %d", id, handle);
fd = handle_to_fd(handle);
if (fd < 0)
status = SSH2_FX_FAILURE;
else {
char *name = handle_to_name(handle);
if (a->flags & SSH2_FILEXFER_ATTR_SIZE) {
logit("set \"%s\" size %llu",
name, (unsigned long long)a->size);
ret = ftruncate(fd, 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);
#ifdef HAVE_FCHMOD
ret = fchmod(fd, a->perm & 07777);
#else
ret = chmod(name, a->perm & 07777);
#endif
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);
#ifdef HAVE_FUTIMES
ret = futimes(fd, attrib_to_tv(a));
#else
ret = utimes(name, attrib_to_tv(a));
#endif
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);
#ifdef HAVE_FCHOWN
ret = fchown(fd, a->uid, a->gid);
#else
ret = chown(name, a->uid, a->gid);
#endif
if (ret == -1)
status = errno_to_portable(errno);
}
}
send_status(id, status);
#ifdef NERSC_MOD
char* t1buf = encode_string( handle_to_name(handle), strlen(handle_to_name(handle)) );
s_audit("sftp_process_fsetstat_3", "count=%i int=%d int=%d uristring=%s",
get_client_session_id(), (int)getppid(), id, t1buf);
free(t1buf);
#endif
}
void SFTP::process_read(void)
{
char buf[64*1024];
u_int32_t id, len;
int handle, status = SSH2_FX_FAILURE;
u_int64_t off;
id = get_int();
handle = get_handle();
off = get_int64();
len = get_int();
#ifdef SLOW_DEBUG
debug("request %u: read \"%s\" (handle %d) off %llu len %d",
id, toUTF8(handle_to_name(handle)).c_str (),
handle, (unsigned long long)off, len);
#endif
if (len > sizeof buf) {
len = sizeof buf;
debug2("read change len %d", len);
}
HANDLE fh = handle_to_fh(handle);
if (fh != INVALID_HANDLE_VALUE) {
LARGE_INTEGER largeOffset;
largeOffset.QuadPart = off;
if (!::SetFilePointerEx
(fh, largeOffset, NULL, FILE_BEGIN))
{
int err = ::GetLastError ();
if (!err)
status = SSH2_FX_EOF;
else
{
error("process_read: seek failed");
status = errno_to_portable(err);
}
}
else
{
DWORD nBytesRed = 0;
if (!::ReadFile (fh, buf, len, &nBytesRed, 0))
{
status = errno_to_portable(::GetLastError ());
}
else if (nBytesRed == 0)
{
status = SSH2_FX_EOF;
}
else
{
if (nBytesRed < len)
debug ("process_read: requested %u, "
"%u was red",
(unsigned) len,
(unsigned) nBytesRed);
send_data(id, buf, (u_int) nBytesRed);
status = SSH2_FX_OK;
handle_update_read(handle, (u_int) nBytesRed);
}
}
}
if (status != SSH2_FX_OK)
send_status(id, status);
}
void SFTP::process_readdir(void)
{
int handle;
u_int32_t id;
id = get_int();
handle = get_handle();
debug("request %u: readdir \"%s\" (handle %d)", id,
toUTF8(handle_to_name(handle)).c_str (), handle);
HANDLE dh = handle_to_dir(handle);
const SFTPFilePath dirPath (handle_to_path (handle));
if (dh == INVALID_HANDLE_VALUE
|| dirPath.to_string ().length () == 0
)
{
send_status(id, SSH2_FX_FAILURE);
}
else
{
WIN32_FIND_DATA st;
//char pathname[MAXPATHLEN];
Stat *stats;
int nstats = 10, count = 0, i;
stats = (Stat*) xcalloc(nstats, sizeof(Stat));
HANDLE& searchHandle = handles[handle].searchHandle;
bool& searchDone = handles[handle].searchDone;
if (!searchDone
&& searchHandle == INVALID_HANDLE_VALUE)
{
assert (!searchDone);
searchHandle = ::FindFirstFile
(dirPath.get_mask_for_dir_search ().c_str (),
&st
);
}
if (!searchDone
&& searchHandle != INVALID_HANDLE_VALUE
)
{
searchDone = true;
while (::FindNextFileW (searchHandle, &st))
{
if (count >= nstats) {
nstats *= 2;
stats = (Stat*) xrealloc(stats, nstats, sizeof(Stat));
}
stat_to_attrib(&st, &(stats[count].attrib));
stats[count].name = xstrdup
(toUTF8(st.cFileName).c_str ());
stats[count].long_name = xstrdup
(toUTF8 (ls_file(st.cFileName, &st, 0)).c_str ());
count++;
/* send up to 100 entries in one message */
/* XXX check packet size instead */
if (count == 100) {
searchDone = false;
break;
}
}
/*if (searchDone)
::GetLastError (); // read error of FindNextFile*/
}
if (searchDone
&& searchHandle != INVALID_HANDLE_VALUE)
{
::FindClose (searchHandle);
searchHandle = 0;
}
if (count > 0) {
send_names(id, count, stats);
for (i = 0; i < count; i++) {
xfree(stats[i].name);
xfree(stats[i].long_name);
}
} else {
searchHandle = INVALID_HANDLE_VALUE;
searchDone = false;
send_status(id, SSH2_FX_EOF);
}
xfree(stats);
}
}
