static Attrib *
get_decode_stat(int fd, u_int expected_id, int quiet)
{
Buffer msg;
u_int type, id;
Attrib *a;
buffer_init(&msg);
get_msg(fd, &msg);
type = buffer_get_char(&msg);
id = buffer_get_int(&msg);
debug3("Received stat reply T:%u I:%u", type, id);
if (id != expected_id)
fatal("ID mismatch (%u != %u)", id, expected_id);
if (type == SSH2_FXP_STATUS) {
int status = buffer_get_int(&msg);
if (quiet)
debug("Couldn't stat remote file: %s", fx2txt(status));
else
error("Couldn't stat remote file: %s", fx2txt(status));
buffer_free(&msg);
return(NULL);
} else if (type != SSH2_FXP_ATTRS) {
fatal("Expected SSH2_FXP_ATTRS(%u) packet, got %u",
SSH2_FXP_ATTRS, type);
}
a = decode_attrib(&msg);
buffer_free(&msg);
return(a);
}
int
do_symlink(struct sftp_conn *conn, char *oldpath, char *newpath)
{
Buffer msg;
u_int status, id;
if (conn->version < 3) {
error("This server does not support the symlink operation");
return(SSH2_FX_OP_UNSUPPORTED);
}
buffer_init(&msg);
/* Send symlink request */
id = conn->msg_id++;
buffer_put_char(&msg, SSH2_FXP_SYMLINK);
buffer_put_int(&msg, id);
buffer_put_cstring(&msg, oldpath);
buffer_put_cstring(&msg, newpath);
send_msg(conn->fd_out, &msg);
debug3("Sent message SSH2_FXP_SYMLINK \"%s\" -> \"%s\"", oldpath,
newpath);
buffer_free(&msg);
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
error("Couldn't symlink file \"%s\" to \"%s\": %s", oldpath,
newpath, fx2txt(status));
return(status);
}
int
do_rename(struct sftp_conn *conn, char *oldpath, char *newpath)
{
Buffer msg;
u_int status, id;
buffer_init(&msg);
/* Send rename request */
id = conn->msg_id++;
buffer_put_char(&msg, SSH2_FXP_RENAME);
buffer_put_int(&msg, id);
buffer_put_cstring(&msg, oldpath);
buffer_put_cstring(&msg, newpath);
send_msg(conn->fd_out, &msg);
debug3("Sent message SSH2_FXP_RENAME \"%s\" -> \"%s\"", oldpath,
newpath);
buffer_free(&msg);
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath,
newpath, fx2txt(status));
return(status);
}
static char *
get_handle(int fd, u_int expected_id, u_int *len)
{
Buffer msg;
u_int type, id;
char *handle;
buffer_init(&msg);
get_msg(fd, &msg);
type = buffer_get_char(&msg);
id = buffer_get_int(&msg);
if (id != expected_id)
fatal("ID mismatch (%u != %u)", id, expected_id);
if (type == SSH2_FXP_STATUS) {
int status = buffer_get_int(&msg);
error("Couldn't get handle: %s", fx2txt(status));
buffer_free(&msg);
return(NULL);
} else if (type != SSH2_FXP_HANDLE)
fatal("Expected SSH2_FXP_HANDLE(%u) packet, got %u",
SSH2_FXP_HANDLE, type);
handle = buffer_get_string(&msg, len);
buffer_free(&msg);
return(handle);
}
int ssh_mkdir_verb(const char *path, verbose_t verb)
{
Attrib a;
u_int status, id;
char *abspath;
attrib_clear(&a);
a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
a.perm = 0777;
id = ftp->ssh_id++;
abspath = ftp_path_absolute(path);
stripslash(abspath);
ssh_send_string_attrs_request(id, SSH2_FXP_MKDIR, abspath,
strlen(abspath), &a);
status = ssh_get_status(id);
if(status != SSH2_FX_OK) {
ftp_err("Couldn't create directory: %s\n", fx2txt(status));
free(abspath);
return -1;
}
ftp_cache_flush_mark_for(abspath);
free(abspath);
return 0;
}
int
do_rmdir(struct sftp_conn *conn, char *path)
{
u_int status, id;
id = conn->msg_id++;
send_string_request(conn->fd_out, id, SSH2_FXP_RMDIR, path,
strlen(path));
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
error("Couldn't remove directory: %s", fx2txt(status));
return(status);
}
int
do_mkdir(struct sftp_conn *conn, char *path, Attrib *a)
{
u_int status, id;
id = conn->msg_id++;
send_string_attrs_request(conn->fd_out, id, SSH2_FXP_MKDIR, path,
strlen(path), a);
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
error("Couldn't create directory: %s", fx2txt(status));
return(status);
}
int
do_rm(struct sftp_conn *conn, char *path)
{
u_int status, id;
debug2("Sending SSH2_FXP_REMOVE \"%s\"", path);
id = conn->msg_id++;
send_string_request(conn->fd_out, id, SSH2_FXP_REMOVE, path,
strlen(path));
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
error("Couldn't delete file: %s", fx2txt(status));
return(status);
}
int
do_fsetstat(struct sftp_conn *conn, char *handle, u_int handle_len,
Attrib *a)
{
u_int status, id;
id = conn->msg_id++;
send_string_attrs_request(conn->fd_out, id, SSH2_FXP_FSETSTAT, handle,
handle_len, a);
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
error("Couldn't fsetstat: %s", fx2txt(status));
return(status);
}
int
do_setstat(struct sftp_conn *conn, char *path, Attrib *a)
{
u_int status, id;
id = conn->msg_id++;
send_string_attrs_request(conn->fd_out, id, SSH2_FXP_SETSTAT, path,
strlen(path), a);
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
error("Couldn't setstat on \"%s\": %s", path,
fx2txt(status));
return(status);
}
char *
do_realpath(struct sftp_conn *conn, char *path)
{
Buffer msg;
u_int type, expected_id, count, id;
char *filename, *longname;
/* LINTED */
Attrib *a;
expected_id = id = conn->msg_id++;
send_string_request(conn->fd_out, id, SSH2_FXP_REALPATH, path,
strlen(path));
buffer_init(&msg);
get_msg(conn->fd_in, &msg);
type = buffer_get_char(&msg);
id = buffer_get_int(&msg);
if (id != expected_id)
fatal("ID mismatch (%u != %u)", id, expected_id);
if (type == SSH2_FXP_STATUS) {
u_int status = buffer_get_int(&msg);
error("Couldn't canonicalise: %s", fx2txt(status));
return(NULL);
} else if (type != SSH2_FXP_NAME)
fatal("Expected SSH2_FXP_NAME(%u) packet, got %u",
SSH2_FXP_NAME, type);
count = buffer_get_int(&msg);
if (count != 1)
fatal("Got multiple names (%d) from SSH_FXP_REALPATH", count);
filename = buffer_get_string(&msg, NULL);
longname = buffer_get_string(&msg, NULL);
a = decode_attrib(&msg);
debug3("SSH_FXP_REALPATH %s -> %s", path, filename);
xfree(longname);
buffer_free(&msg);
return(filename);
}
int
do_close(struct sftp_conn *conn, char *handle, u_int handle_len)
{
u_int id, status;
Buffer msg;
buffer_init(&msg);
id = conn->msg_id++;
buffer_put_char(&msg, SSH2_FXP_CLOSE);
buffer_put_int(&msg, id);
buffer_put_string(&msg, handle, handle_len);
send_msg(conn->fd_out, &msg);
debug3("Sent message SSH2_FXP_CLOSE I:%u", id);
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
error("Couldn't close file: %s", fx2txt(status));
buffer_free(&msg);
return(status);
}
int ssh_rmdir(const char *path)
{
char *p;
u_int status, id;
p = ftp_path_absolute(path);
stripslash(p);
id = ftp->ssh_id++;
ssh_send_string_request(id, SSH2_FXP_RMDIR, p, strlen(p));
status = ssh_get_status(id);
if(status != SSH2_FX_OK) {
ftp_err("Couldn't remove directory: %s\n", fx2txt(status));
free(p);
return -1;
}
ftp_cache_flush_mark(p);
ftp_cache_flush_mark_for(p);
free(p);
return 0;
}
int ssh_rename(const char *oldname, const char *newname)
{
Buffer msg;
u_int status, id;
char *on, *nn;
buffer_init(&msg);
on = ftp_path_absolute(oldname);
nn = ftp_path_absolute(newname);
stripslash(on);
stripslash(nn);
/* Send rename request */
id = ftp->ssh_id++;
buffer_put_char(&msg, SSH2_FXP_RENAME);
buffer_put_int(&msg, id);
buffer_put_cstring(&msg, on);
buffer_put_cstring(&msg, nn);
ssh_cmd( &msg);
buffer_free(&msg);
status = ssh_get_status(id);
if(status != SSH2_FX_OK) {
ftp_err("Couldn't rename file \"%s\" to \"%s\": %s\n",
on, nn, fx2txt(status));
free(on);
free(nn);
return -1;
}
ftp_cache_flush_mark_for(on);
ftp_cache_flush_mark_for(nn);
free(on);
free(nn);
return 0;
}
static int
do_lsreaddir(struct sftp_conn *conn, char *path, int printflag,
SFTP_DIRENT ***dir)
{
Buffer msg;
u_int count, type, id, handle_len, i, expected_id, ents = 0;
char *handle;
id = conn->msg_id++;
buffer_init(&msg);
buffer_put_char(&msg, SSH2_FXP_OPENDIR);
buffer_put_int(&msg, id);
buffer_put_cstring(&msg, path);
send_msg(conn->fd_out, &msg);
buffer_clear(&msg);
handle = get_handle(conn->fd_in, id, &handle_len);
if (handle == NULL)
return(-1);
if (dir) {
ents = 0;
*dir = xmalloc(sizeof(**dir));
(*dir)[0] = NULL;
}
for (; !interrupted;) {
id = expected_id = conn->msg_id++;
debug3("Sending SSH2_FXP_READDIR I:%u", id);
buffer_clear(&msg);
buffer_put_char(&msg, SSH2_FXP_READDIR);
buffer_put_int(&msg, id);
buffer_put_string(&msg, handle, handle_len);
send_msg(conn->fd_out, &msg);
buffer_clear(&msg);
get_msg(conn->fd_in, &msg);
type = buffer_get_char(&msg);
id = buffer_get_int(&msg);
debug3("Received reply T:%u I:%u", type, id);
if (id != expected_id)
fatal("ID mismatch (%u != %u)", id, expected_id);
if (type == SSH2_FXP_STATUS) {
int status = buffer_get_int(&msg);
debug3("Received SSH2_FXP_STATUS %d", status);
if (status == SSH2_FX_EOF) {
break;
} else {
error("Couldn't read directory: %s",
fx2txt(status));
do_close(conn, handle, handle_len);
xfree(handle);
return(status);
}
} else if (type != SSH2_FXP_NAME)
fatal("Expected SSH2_FXP_NAME(%u) packet, got %u",
SSH2_FXP_NAME, type);
count = buffer_get_int(&msg);
if (count == 0)
break;
debug3("Received %d SSH2_FXP_NAME responses", count);
for (i = 0; i < count; i++) {
char *filename, *longname;
Attrib *a;
filename = buffer_get_string(&msg, NULL);
longname = buffer_get_string(&msg, NULL);
a = decode_attrib(&msg);
if (printflag)
printf("%s\n", longname);
if (dir) {
*dir = xrealloc(*dir, (ents + 2) * sizeof(**dir));
(*dir)[ents] = xmalloc(sizeof(***dir));
(*dir)[ents]->filename = xstrdup(filename);
(*dir)[ents]->longname = xstrdup(longname);
memcpy(&(*dir)[ents]->a, a, sizeof(*a));
(*dir)[++ents] = NULL;
}
xfree(filename);
xfree(longname);
}
}
buffer_free(&msg);
do_close(conn, handle, handle_len);
xfree(handle);
/* Don't return partial matches on interrupt */
if (interrupted && dir != NULL && *dir != NULL) {
free_sftp_dirents(*dir);
*dir = xmalloc(sizeof(**dir));
**dir = NULL;
}
return(0);
}
