Exemplo n.º 1
0
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);
}
Exemplo n.º 2
0
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);
}
Exemplo n.º 3
0
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);
}
Exemplo n.º 4
0
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);
}
Exemplo n.º 5
0
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;
}
Exemplo n.º 6
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);
}
Exemplo n.º 7
0
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);
}
Exemplo n.º 8
0
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);
}
Exemplo n.º 9
0
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);
}
Exemplo n.º 10
0
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);
}
Exemplo n.º 11
0
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);
}
Exemplo n.º 12
0
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);
}
Exemplo n.º 13
0
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;
}
Exemplo n.º 14
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;
}
Exemplo n.º 15
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);
}