2021-04-23 19:10:38 +00:00
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/* $OpenBSD: sftp-client.c,v 1.139 2020/12/04 02:41:10 djm Exp $ */
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2001-05-04 03:57:05 +00:00
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/*
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2004-02-26 10:38:49 +00:00
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* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
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2001-05-04 03:57:05 +00:00
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*
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2004-02-26 10:38:49 +00:00
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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2001-05-04 03:57:05 +00:00
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*
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2004-02-26 10:38:49 +00:00
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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2001-05-04 03:57:05 +00:00
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*/
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/* XXX: memleaks */
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/* XXX: signed vs unsigned */
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2002-03-18 09:55:03 +00:00
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/* XXX: remove all logging, only return status codes */
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2001-05-04 03:57:05 +00:00
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/* XXX: copy between two remote sites */
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#include "includes.h"
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2002-03-18 09:55:03 +00:00
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2006-09-30 13:29:51 +00:00
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#include <sys/types.h>
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2008-07-23 09:33:08 +00:00
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#ifdef HAVE_SYS_STATVFS_H
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#include <sys/statvfs.h>
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#endif
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2002-10-29 09:43:00 +00:00
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#include "openbsd-compat/sys-queue.h"
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2006-09-30 13:29:51 +00:00
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#include <sys/uio.h>
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2010-03-08 11:19:52 +00:00
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#include <dirent.h>
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2006-09-30 13:29:51 +00:00
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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2014-01-30 10:56:49 +00:00
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#include <stdlib.h>
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2006-09-30 13:29:51 +00:00
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#include <string.h>
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#include <unistd.h>
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2001-05-04 03:57:05 +00:00
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#include "xmalloc.h"
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2015-07-02 13:15:34 +00:00
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#include "ssherr.h"
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#include "sshbuf.h"
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2001-05-04 03:57:05 +00:00
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#include "log.h"
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#include "atomicio.h"
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2003-04-23 16:53:02 +00:00
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#include "progressmeter.h"
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2006-09-30 13:29:51 +00:00
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#include "misc.h"
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2017-01-31 12:29:48 +00:00
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#include "utf8.h"
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2001-05-04 03:57:05 +00:00
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#include "sftp.h"
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#include "sftp-common.h"
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#include "sftp-client.h"
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2004-10-28 16:03:53 +00:00
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extern volatile sig_atomic_t interrupted;
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2003-04-23 16:53:02 +00:00
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extern int showprogress;
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2006-09-30 13:29:51 +00:00
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/* Minimum amount of data to read at a time */
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2002-03-18 09:55:03 +00:00
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#define MIN_READ_SIZE 512
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2001-05-04 03:57:05 +00:00
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2010-03-08 11:19:52 +00:00
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/* Maximum depth to descend in directory trees */
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#define MAX_DIR_DEPTH 64
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2017-08-03 10:10:20 +00:00
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/* Directory separator characters */
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#ifdef HAVE_CYGWIN
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# define SFTP_DIRECTORY_CHARS "/\\"
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#else /* HAVE_CYGWIN */
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# define SFTP_DIRECTORY_CHARS "/"
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#endif /* HAVE_CYGWIN */
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2002-03-18 09:55:03 +00:00
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struct sftp_conn {
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int fd_in;
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int fd_out;
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u_int transfer_buflen;
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u_int num_requests;
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u_int version;
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u_int msg_id;
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2008-07-23 09:33:08 +00:00
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#define SFTP_EXT_POSIX_RENAME 0x00000001
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#define SFTP_EXT_STATVFS 0x00000002
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#define SFTP_EXT_FSTATVFS 0x00000004
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2011-02-17 11:47:40 +00:00
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#define SFTP_EXT_HARDLINK 0x00000008
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2014-01-30 10:56:49 +00:00
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#define SFTP_EXT_FSYNC 0x00000010
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2020-02-14 19:47:15 +00:00
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#define SFTP_EXT_LSETSTAT 0x00000020
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2008-07-23 09:28:49 +00:00
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u_int exts;
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2011-02-17 11:47:40 +00:00
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u_int64_t limit_kbps;
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struct bwlimit bwlimit_in, bwlimit_out;
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2002-03-18 09:55:03 +00:00
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};
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2001-05-04 03:57:05 +00:00
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2015-07-02 13:15:34 +00:00
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static u_char *
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get_handle(struct sftp_conn *conn, u_int expected_id, size_t *len,
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2011-02-17 11:47:40 +00:00
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const char *errfmt, ...) __attribute__((format(printf, 4, 5)));
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/* ARGSUSED */
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static int
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sftpio(void *_bwlimit, size_t amount)
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{
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struct bwlimit *bwlimit = (struct bwlimit *)_bwlimit;
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2020-02-14 19:47:15 +00:00
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refresh_progress_meter(0);
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if (bwlimit != NULL)
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bandwidth_limit(bwlimit, amount);
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2011-02-17 11:47:40 +00:00
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return 0;
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}
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2010-03-08 11:19:52 +00:00
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2002-03-18 09:55:03 +00:00
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static void
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2015-07-02 13:15:34 +00:00
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send_msg(struct sftp_conn *conn, struct sshbuf *m)
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2001-05-04 03:57:05 +00:00
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{
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2003-04-23 16:53:02 +00:00
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u_char mlen[4];
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2006-09-30 13:29:51 +00:00
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struct iovec iov[2];
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2003-04-23 16:53:02 +00:00
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2015-07-02 13:15:34 +00:00
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if (sshbuf_len(m) > SFTP_MAX_MSG_LENGTH)
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fatal("Outbound message too long %zu", sshbuf_len(m));
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2001-05-04 03:57:05 +00:00
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2003-04-23 16:53:02 +00:00
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/* Send length first */
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2015-07-02 13:15:34 +00:00
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put_u32(mlen, sshbuf_len(m));
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2006-09-30 13:29:51 +00:00
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iov[0].iov_base = mlen;
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iov[0].iov_len = sizeof(mlen);
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2015-07-02 13:15:34 +00:00
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iov[1].iov_base = (u_char *)sshbuf_ptr(m);
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iov[1].iov_len = sshbuf_len(m);
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2001-05-04 03:57:05 +00:00
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2020-02-14 19:47:15 +00:00
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if (atomiciov6(writev, conn->fd_out, iov, 2, sftpio,
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conn->limit_kbps > 0 ? &conn->bwlimit_out : NULL) !=
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2015-07-02 13:15:34 +00:00
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sshbuf_len(m) + sizeof(mlen))
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2001-05-04 03:57:05 +00:00
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fatal("Couldn't send packet: %s", strerror(errno));
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2015-07-02 13:15:34 +00:00
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sshbuf_reset(m);
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2001-05-04 03:57:05 +00:00
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}
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2002-03-18 09:55:03 +00:00
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static void
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2018-05-06 12:27:04 +00:00
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get_msg_extended(struct sftp_conn *conn, struct sshbuf *m, int initial)
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2001-05-04 03:57:05 +00:00
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{
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2003-04-23 16:53:02 +00:00
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u_int msg_len;
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2015-07-02 13:15:34 +00:00
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u_char *p;
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int r;
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2001-05-04 03:57:05 +00:00
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2015-07-02 13:15:34 +00:00
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if ((r = sshbuf_reserve(m, 4, &p)) != 0)
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2021-04-23 19:10:38 +00:00
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fatal_fr(r, "reserve");
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2020-02-14 19:47:15 +00:00
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if (atomicio6(read, conn->fd_in, p, 4, sftpio,
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conn->limit_kbps > 0 ? &conn->bwlimit_in : NULL) != 4) {
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2018-05-06 12:24:45 +00:00
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if (errno == EPIPE || errno == ECONNRESET)
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2005-09-03 06:59:33 +00:00
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fatal("Connection closed");
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else
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fatal("Couldn't read packet: %s", strerror(errno));
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}
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2001-05-04 03:57:05 +00:00
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2015-07-02 13:15:34 +00:00
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if ((r = sshbuf_get_u32(m, &msg_len)) != 0)
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2021-04-23 19:10:38 +00:00
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fatal_fr(r, "sshbuf_get_u32");
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2018-05-06 12:27:04 +00:00
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if (msg_len > SFTP_MAX_MSG_LENGTH) {
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do_log2(initial ? SYSLOG_LEVEL_ERROR : SYSLOG_LEVEL_FATAL,
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"Received message too long %u", msg_len);
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fatal("Ensure the remote shell produces no output "
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"for non-interactive sessions.");
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}
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2001-05-04 03:57:05 +00:00
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2015-07-02 13:15:34 +00:00
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if ((r = sshbuf_reserve(m, msg_len, &p)) != 0)
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2021-04-23 19:10:38 +00:00
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fatal_fr(r, "reserve");
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2020-02-14 19:47:15 +00:00
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if (atomicio6(read, conn->fd_in, p, msg_len, sftpio,
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conn->limit_kbps > 0 ? &conn->bwlimit_in : NULL)
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2011-02-17 11:47:40 +00:00
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!= msg_len) {
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2005-09-03 06:59:33 +00:00
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if (errno == EPIPE)
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fatal("Connection closed");
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else
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fatal("Read packet: %s", strerror(errno));
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}
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2001-05-04 03:57:05 +00:00
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}
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2018-05-06 12:27:04 +00:00
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static void
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get_msg(struct sftp_conn *conn, struct sshbuf *m)
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{
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get_msg_extended(conn, m, 0);
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}
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2002-03-18 09:55:03 +00:00
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static void
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2015-07-02 13:15:34 +00:00
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send_string_request(struct sftp_conn *conn, u_int id, u_int code, const char *s,
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2001-05-04 03:57:05 +00:00
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u_int len)
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{
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2015-07-02 13:15:34 +00:00
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struct sshbuf *msg;
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int r;
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if ((msg = sshbuf_new()) == NULL)
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2021-04-23 19:10:38 +00:00
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fatal_f("sshbuf_new failed");
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2015-07-02 13:15:34 +00:00
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if ((r = sshbuf_put_u8(msg, code)) != 0 ||
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(r = sshbuf_put_u32(msg, id)) != 0 ||
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(r = sshbuf_put_string(msg, s, len)) != 0)
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2021-04-23 19:10:38 +00:00
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fatal_fr(r, "compose");
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2015-07-02 13:15:34 +00:00
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send_msg(conn, msg);
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2011-02-17 11:47:40 +00:00
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debug3("Sent message fd %d T:%u I:%u", conn->fd_out, code, id);
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2015-07-02 13:15:34 +00:00
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sshbuf_free(msg);
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2001-05-04 03:57:05 +00:00
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}
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2002-03-18 09:55:03 +00:00
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static void
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2011-02-17 11:47:40 +00:00
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send_string_attrs_request(struct sftp_conn *conn, u_int id, u_int code,
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2015-07-02 13:15:34 +00:00
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const void *s, u_int len, Attrib *a)
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2001-05-04 03:57:05 +00:00
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{
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2015-07-02 13:15:34 +00:00
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struct sshbuf *msg;
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int r;
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if ((msg = sshbuf_new()) == NULL)
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2021-04-23 19:10:38 +00:00
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fatal_f("sshbuf_new failed");
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2015-07-02 13:15:34 +00:00
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if ((r = sshbuf_put_u8(msg, code)) != 0 ||
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(r = sshbuf_put_u32(msg, id)) != 0 ||
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(r = sshbuf_put_string(msg, s, len)) != 0 ||
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(r = encode_attrib(msg, a)) != 0)
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2021-04-23 19:10:38 +00:00
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fatal_fr(r, "compose");
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2015-07-02 13:15:34 +00:00
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send_msg(conn, msg);
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2011-02-17 11:47:40 +00:00
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debug3("Sent message fd %d T:%u I:%u", conn->fd_out, code, id);
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2015-07-02 13:15:34 +00:00
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sshbuf_free(msg);
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2001-05-04 03:57:05 +00:00
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}
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2002-03-18 09:55:03 +00:00
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static u_int
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2011-02-17 11:47:40 +00:00
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get_status(struct sftp_conn *conn, u_int expected_id)
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2001-05-04 03:57:05 +00:00
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{
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2015-07-02 13:15:34 +00:00
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struct sshbuf *msg;
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u_char type;
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u_int id, status;
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int r;
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2001-05-04 03:57:05 +00:00
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2015-07-02 13:15:34 +00:00
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if ((msg = sshbuf_new()) == NULL)
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2021-04-23 19:10:38 +00:00
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fatal_f("sshbuf_new failed");
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2015-07-02 13:15:34 +00:00
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get_msg(conn, msg);
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if ((r = sshbuf_get_u8(msg, &type)) != 0 ||
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(r = sshbuf_get_u32(msg, &id)) != 0)
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2021-04-23 19:10:38 +00:00
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fatal_fr(r, "compose");
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2001-05-04 03:57:05 +00:00
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if (id != expected_id)
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2002-06-29 11:34:13 +00:00
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fatal("ID mismatch (%u != %u)", id, expected_id);
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2001-05-04 03:57:05 +00:00
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if (type != SSH2_FXP_STATUS)
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2002-06-29 11:34:13 +00:00
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fatal("Expected SSH2_FXP_STATUS(%u) packet, got %u",
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2001-05-04 03:57:05 +00:00
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SSH2_FXP_STATUS, type);
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2015-07-02 13:15:34 +00:00
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if ((r = sshbuf_get_u32(msg, &status)) != 0)
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2021-04-23 19:10:38 +00:00
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fatal_fr(r, "parse");
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2015-07-02 13:15:34 +00:00
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sshbuf_free(msg);
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2001-05-04 03:57:05 +00:00
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2002-06-29 11:34:13 +00:00
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debug3("SSH2_FXP_STATUS %u", status);
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2001-05-04 03:57:05 +00:00
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2011-02-17 11:47:40 +00:00
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return status;
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2001-05-04 03:57:05 +00:00
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}
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2015-07-02 13:15:34 +00:00
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static u_char *
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get_handle(struct sftp_conn *conn, u_int expected_id, size_t *len,
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2011-02-17 11:47:40 +00:00
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const char *errfmt, ...)
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2001-05-04 03:57:05 +00:00
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{
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2015-07-02 13:15:34 +00:00
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struct sshbuf *msg;
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u_int id, status;
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u_char type;
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u_char *handle;
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char errmsg[256];
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2010-03-08 11:19:52 +00:00
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va_list args;
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2015-07-02 13:15:34 +00:00
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int r;
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2010-03-08 11:19:52 +00:00
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va_start(args, errfmt);
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if (errfmt != NULL)
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vsnprintf(errmsg, sizeof(errmsg), errfmt, args);
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va_end(args);
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2001-05-04 03:57:05 +00:00
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2015-07-02 13:15:34 +00:00
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if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2015-07-02 13:15:34 +00:00
|
|
|
get_msg(conn, msg);
|
|
|
|
if ((r = sshbuf_get_u8(msg, &type)) != 0 ||
|
|
|
|
(r = sshbuf_get_u32(msg, &id)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if (id != expected_id)
|
2010-03-08 11:19:52 +00:00
|
|
|
fatal("%s: ID mismatch (%u != %u)",
|
|
|
|
errfmt == NULL ? __func__ : errmsg, id, expected_id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (type == SSH2_FXP_STATUS) {
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &status)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse status");
|
2010-03-08 11:19:52 +00:00
|
|
|
if (errfmt != NULL)
|
|
|
|
error("%s: %s", errmsg, fx2txt(status));
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
return(NULL);
|
|
|
|
} else if (type != SSH2_FXP_HANDLE)
|
2010-03-08 11:19:52 +00:00
|
|
|
fatal("%s: Expected SSH2_FXP_HANDLE(%u) packet, got %u",
|
|
|
|
errfmt == NULL ? __func__ : errmsg, SSH2_FXP_HANDLE, type);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_string(msg, &handle, len)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse handle");
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return handle;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
static Attrib *
|
2011-02-17 11:47:40 +00:00
|
|
|
get_decode_stat(struct sftp_conn *conn, u_int expected_id, int quiet)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
|
|
|
u_int id;
|
|
|
|
u_char type;
|
|
|
|
int r;
|
|
|
|
static Attrib a;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2015-07-02 13:15:34 +00:00
|
|
|
get_msg(conn, msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u8(msg, &type)) != 0 ||
|
|
|
|
(r = sshbuf_get_u32(msg, &id)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-06-29 11:34:13 +00:00
|
|
|
debug3("Received stat reply T:%u I:%u", type, id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (id != expected_id)
|
2002-06-29 11:34:13 +00:00
|
|
|
fatal("ID mismatch (%u != %u)", id, expected_id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (type == SSH2_FXP_STATUS) {
|
2015-07-02 13:15:34 +00:00
|
|
|
u_int status;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &status)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse status");
|
2001-05-04 03:57:05 +00:00
|
|
|
if (quiet)
|
|
|
|
debug("Couldn't stat remote file: %s", fx2txt(status));
|
|
|
|
else
|
|
|
|
error("Couldn't stat remote file: %s", fx2txt(status));
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
return(NULL);
|
|
|
|
} else if (type != SSH2_FXP_ATTRS) {
|
2002-06-29 11:34:13 +00:00
|
|
|
fatal("Expected SSH2_FXP_ATTRS(%u) packet, got %u",
|
2001-05-04 03:57:05 +00:00
|
|
|
SSH2_FXP_ATTRS, type);
|
|
|
|
}
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = decode_attrib(msg, &a)) != 0) {
|
2021-04-23 19:10:38 +00:00
|
|
|
error_fr(r, "decode_attrib");
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return &a;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
2008-07-23 09:33:08 +00:00
|
|
|
static int
|
2011-02-17 11:47:40 +00:00
|
|
|
get_decode_statvfs(struct sftp_conn *conn, struct sftp_statvfs *st,
|
|
|
|
u_int expected_id, int quiet)
|
2008-07-23 09:33:08 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
|
|
|
u_char type;
|
|
|
|
u_int id;
|
|
|
|
u_int64_t flag;
|
|
|
|
int r;
|
2008-07-23 09:33:08 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2015-07-02 13:15:34 +00:00
|
|
|
get_msg(conn, msg);
|
2008-07-23 09:33:08 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u8(msg, &type)) != 0 ||
|
|
|
|
(r = sshbuf_get_u32(msg, &id)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
2008-07-23 09:33:08 +00:00
|
|
|
|
|
|
|
debug3("Received statvfs reply T:%u I:%u", type, id);
|
|
|
|
if (id != expected_id)
|
|
|
|
fatal("ID mismatch (%u != %u)", id, expected_id);
|
|
|
|
if (type == SSH2_FXP_STATUS) {
|
2015-07-02 13:15:34 +00:00
|
|
|
u_int status;
|
2008-07-23 09:33:08 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &status)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse status");
|
2008-07-23 09:33:08 +00:00
|
|
|
if (quiet)
|
|
|
|
debug("Couldn't statvfs: %s", fx2txt(status));
|
|
|
|
else
|
|
|
|
error("Couldn't statvfs: %s", fx2txt(status));
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2008-07-23 09:33:08 +00:00
|
|
|
return -1;
|
|
|
|
} else if (type != SSH2_FXP_EXTENDED_REPLY) {
|
|
|
|
fatal("Expected SSH2_FXP_EXTENDED_REPLY(%u) packet, got %u",
|
|
|
|
SSH2_FXP_EXTENDED_REPLY, type);
|
|
|
|
}
|
|
|
|
|
2014-03-22 15:23:38 +00:00
|
|
|
memset(st, 0, sizeof(*st));
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u64(msg, &st->f_bsize)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &st->f_frsize)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &st->f_blocks)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &st->f_bfree)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &st->f_bavail)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &st->f_files)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &st->f_ffree)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &st->f_favail)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &st->f_fsid)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &flag)) != 0 ||
|
|
|
|
(r = sshbuf_get_u64(msg, &st->f_namemax)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse statvfs");
|
2008-07-23 09:33:08 +00:00
|
|
|
|
|
|
|
st->f_flag = (flag & SSH2_FXE_STATVFS_ST_RDONLY) ? ST_RDONLY : 0;
|
|
|
|
st->f_flag |= (flag & SSH2_FXE_STATVFS_ST_NOSUID) ? ST_NOSUID : 0;
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2008-07-23 09:33:08 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
struct sftp_conn *
|
2011-02-17 11:47:40 +00:00
|
|
|
do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests,
|
|
|
|
u_int64_t limit_kbps)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
u_char type;
|
|
|
|
struct sshbuf *msg;
|
2002-03-18 09:55:03 +00:00
|
|
|
struct sftp_conn *ret;
|
2015-07-02 13:15:34 +00:00
|
|
|
int r;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
ret = xcalloc(1, sizeof(*ret));
|
|
|
|
ret->msg_id = 1;
|
2011-02-17 11:47:40 +00:00
|
|
|
ret->fd_in = fd_in;
|
|
|
|
ret->fd_out = fd_out;
|
|
|
|
ret->transfer_buflen = transfer_buflen;
|
|
|
|
ret->num_requests = num_requests;
|
|
|
|
ret->exts = 0;
|
|
|
|
ret->limit_kbps = 0;
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_INIT)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, SSH2_FILEXFER_VERSION)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(ret, msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_reset(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2018-05-06 12:27:04 +00:00
|
|
|
get_msg_extended(ret, msg, 1);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
/* Expecting a VERSION reply */
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u8(msg, &type)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse type");
|
2015-07-02 13:15:34 +00:00
|
|
|
if (type != SSH2_FXP_VERSION) {
|
2002-06-29 11:34:13 +00:00
|
|
|
error("Invalid packet back from SSH2_FXP_INIT (type %u)",
|
2001-05-04 03:57:05 +00:00
|
|
|
type);
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2015-07-02 13:18:50 +00:00
|
|
|
free(ret);
|
2002-03-18 09:55:03 +00:00
|
|
|
return(NULL);
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &ret->version)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse version");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
debug2("Remote version: %u", ret->version);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
/* Check for extensions */
|
2015-07-02 13:15:34 +00:00
|
|
|
while (sshbuf_len(msg) > 0) {
|
|
|
|
char *name;
|
|
|
|
u_char *value;
|
|
|
|
size_t vlen;
|
2008-07-23 09:33:08 +00:00
|
|
|
int known = 0;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_cstring(msg, &name, NULL)) != 0 ||
|
|
|
|
(r = sshbuf_get_string(msg, &value, &vlen)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse extension");
|
2008-07-23 09:33:08 +00:00
|
|
|
if (strcmp(name, "posix-rename@openssh.com") == 0 &&
|
2015-07-02 13:15:34 +00:00
|
|
|
strcmp((char *)value, "1") == 0) {
|
2011-02-17 11:47:40 +00:00
|
|
|
ret->exts |= SFTP_EXT_POSIX_RENAME;
|
2008-07-23 09:33:08 +00:00
|
|
|
known = 1;
|
|
|
|
} else if (strcmp(name, "statvfs@openssh.com") == 0 &&
|
2015-07-02 13:15:34 +00:00
|
|
|
strcmp((char *)value, "2") == 0) {
|
2011-02-17 11:47:40 +00:00
|
|
|
ret->exts |= SFTP_EXT_STATVFS;
|
2008-07-23 09:33:08 +00:00
|
|
|
known = 1;
|
2011-02-17 11:47:40 +00:00
|
|
|
} else if (strcmp(name, "fstatvfs@openssh.com") == 0 &&
|
2015-07-02 13:15:34 +00:00
|
|
|
strcmp((char *)value, "2") == 0) {
|
2011-02-17 11:47:40 +00:00
|
|
|
ret->exts |= SFTP_EXT_FSTATVFS;
|
|
|
|
known = 1;
|
|
|
|
} else if (strcmp(name, "hardlink@openssh.com") == 0 &&
|
2015-07-02 13:15:34 +00:00
|
|
|
strcmp((char *)value, "1") == 0) {
|
2011-02-17 11:47:40 +00:00
|
|
|
ret->exts |= SFTP_EXT_HARDLINK;
|
2008-07-23 09:33:08 +00:00
|
|
|
known = 1;
|
2015-07-02 13:15:34 +00:00
|
|
|
} else if (strcmp(name, "fsync@openssh.com") == 0 &&
|
|
|
|
strcmp((char *)value, "1") == 0) {
|
|
|
|
ret->exts |= SFTP_EXT_FSYNC;
|
|
|
|
known = 1;
|
2020-02-14 19:47:15 +00:00
|
|
|
} else if (strcmp(name, "lsetstat@openssh.com") == 0 &&
|
|
|
|
strcmp((char *)value, "1") == 0) {
|
|
|
|
ret->exts |= SFTP_EXT_LSETSTAT;
|
|
|
|
known = 1;
|
2008-07-23 09:33:08 +00:00
|
|
|
}
|
|
|
|
if (known) {
|
|
|
|
debug2("Server supports extension \"%s\" revision %s",
|
|
|
|
name, value);
|
|
|
|
} else {
|
|
|
|
debug2("Unrecognised server extension \"%s\"", name);
|
|
|
|
}
|
2013-09-18 17:27:38 +00:00
|
|
|
free(name);
|
|
|
|
free(value);
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
/* Some filexfer v.0 servers don't support large packets */
|
2011-02-17 11:47:40 +00:00
|
|
|
if (ret->version == 0)
|
2017-01-31 12:33:47 +00:00
|
|
|
ret->transfer_buflen = MINIMUM(ret->transfer_buflen, 20480);
|
2002-03-18 09:55:03 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
ret->limit_kbps = limit_kbps;
|
|
|
|
if (ret->limit_kbps > 0) {
|
|
|
|
bandwidth_limit_init(&ret->bwlimit_in, ret->limit_kbps,
|
|
|
|
ret->transfer_buflen);
|
|
|
|
bandwidth_limit_init(&ret->bwlimit_out, ret->limit_kbps,
|
|
|
|
ret->transfer_buflen);
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
2002-03-18 09:55:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
u_int
|
|
|
|
sftp_proto_version(struct sftp_conn *conn)
|
|
|
|
{
|
2011-02-17 11:47:40 +00:00
|
|
|
return conn->version;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_close(struct sftp_conn *conn, const u_char *handle, u_int handle_len)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
|
|
|
u_int id, status;
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
|
|
|
int r;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_CLOSE)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_string(msg, handle, handle_len)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2002-06-29 11:34:13 +00:00
|
|
|
debug3("Sent message SSH2_FXP_CLOSE I:%u", id);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
status = get_status(conn, id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (status != SSH2_FX_OK)
|
|
|
|
error("Couldn't close file: %s", fx2txt(status));
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
static int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_lsreaddir(struct sftp_conn *conn, const char *path, int print_flag,
|
2001-05-04 03:57:05 +00:00
|
|
|
SFTP_DIRENT ***dir)
|
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
|
|
|
u_int count, id, i, expected_id, ents = 0;
|
|
|
|
size_t handle_len;
|
2017-01-31 12:29:48 +00:00
|
|
|
u_char type, *handle;
|
2014-01-30 10:56:49 +00:00
|
|
|
int status = SSH2_FX_FAILURE;
|
2015-07-02 13:15:34 +00:00
|
|
|
int r;
|
2014-01-30 10:56:49 +00:00
|
|
|
|
|
|
|
if (dir)
|
|
|
|
*dir = NULL;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_OPENDIR)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, path)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose OPENDIR");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
handle = get_handle(conn, id, &handle_len,
|
2010-03-08 11:19:52 +00:00
|
|
|
"remote readdir(\"%s\")", path);
|
2012-08-29 15:46:01 +00:00
|
|
|
if (handle == NULL) {
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2011-02-17 11:47:40 +00:00
|
|
|
return -1;
|
2012-08-29 15:46:01 +00:00
|
|
|
}
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if (dir) {
|
|
|
|
ents = 0;
|
2013-11-11 09:13:37 +00:00
|
|
|
*dir = xcalloc(1, sizeof(**dir));
|
2001-05-04 03:57:05 +00:00
|
|
|
(*dir)[0] = NULL;
|
|
|
|
}
|
|
|
|
|
2004-10-28 16:03:53 +00:00
|
|
|
for (; !interrupted;) {
|
2002-03-18 09:55:03 +00:00
|
|
|
id = expected_id = conn->msg_id++;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-06-29 11:34:13 +00:00
|
|
|
debug3("Sending SSH2_FXP_READDIR I:%u", id);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_reset(msg);
|
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_READDIR)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_string(msg, handle, handle_len)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose READDIR");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_reset(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
get_msg(conn, msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u8(msg, &type)) != 0 ||
|
|
|
|
(r = sshbuf_get_u32(msg, &id)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-06-29 11:34:13 +00:00
|
|
|
debug3("Received reply T:%u I:%u", type, id);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if (id != expected_id)
|
2002-06-29 11:34:13 +00:00
|
|
|
fatal("ID mismatch (%u != %u)", id, expected_id);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if (type == SSH2_FXP_STATUS) {
|
2015-07-02 13:15:34 +00:00
|
|
|
u_int rstatus;
|
|
|
|
|
|
|
|
if ((r = sshbuf_get_u32(msg, &rstatus)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse status");
|
2015-07-02 13:15:34 +00:00
|
|
|
debug3("Received SSH2_FXP_STATUS %d", rstatus);
|
|
|
|
if (rstatus == SSH2_FX_EOF)
|
2001-05-04 03:57:05 +00:00
|
|
|
break;
|
2015-07-02 13:15:34 +00:00
|
|
|
error("Couldn't read directory: %s", fx2txt(rstatus));
|
2014-01-30 10:56:49 +00:00
|
|
|
goto out;
|
2001-05-04 03:57:05 +00:00
|
|
|
} else if (type != SSH2_FXP_NAME)
|
2002-06-29 11:34:13 +00:00
|
|
|
fatal("Expected SSH2_FXP_NAME(%u) packet, got %u",
|
2001-05-04 03:57:05 +00:00
|
|
|
SSH2_FXP_NAME, type);
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &count)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse count");
|
2017-08-03 10:10:20 +00:00
|
|
|
if (count > SSHBUF_SIZE_MAX)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("nonsensical number of entries");
|
2001-05-04 03:57:05 +00:00
|
|
|
if (count == 0)
|
|
|
|
break;
|
|
|
|
debug3("Received %d SSH2_FXP_NAME responses", count);
|
2002-03-18 09:55:03 +00:00
|
|
|
for (i = 0; i < count; i++) {
|
2001-05-04 03:57:05 +00:00
|
|
|
char *filename, *longname;
|
2015-07-02 13:15:34 +00:00
|
|
|
Attrib a;
|
|
|
|
|
|
|
|
if ((r = sshbuf_get_cstring(msg, &filename,
|
|
|
|
NULL)) != 0 ||
|
|
|
|
(r = sshbuf_get_cstring(msg, &longname,
|
|
|
|
NULL)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse filenames");
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = decode_attrib(msg, &a)) != 0) {
|
2021-04-23 19:10:38 +00:00
|
|
|
error_fr(r, "couldn't decode attrib");
|
2015-07-02 13:15:34 +00:00
|
|
|
free(filename);
|
|
|
|
free(longname);
|
2021-02-14 21:00:25 +00:00
|
|
|
goto out;
|
2015-07-02 13:15:34 +00:00
|
|
|
}
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
if (print_flag)
|
2017-01-31 12:29:48 +00:00
|
|
|
mprintf("%s\n", longname);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2010-03-08 11:19:52 +00:00
|
|
|
/*
|
|
|
|
* Directory entries should never contain '/'
|
|
|
|
* These can be used to attack recursive ops
|
|
|
|
* (e.g. send '../../../../etc/passwd')
|
|
|
|
*/
|
2017-08-03 10:10:20 +00:00
|
|
|
if (strpbrk(filename, SFTP_DIRECTORY_CHARS) != NULL) {
|
2010-03-08 11:19:52 +00:00
|
|
|
error("Server sent suspect path \"%s\" "
|
|
|
|
"during readdir of \"%s\"", filename, path);
|
2014-01-30 10:56:49 +00:00
|
|
|
} else if (dir) {
|
2015-07-02 13:18:50 +00:00
|
|
|
*dir = xreallocarray(*dir, ents + 2, sizeof(**dir));
|
2013-11-11 09:13:37 +00:00
|
|
|
(*dir)[ents] = xcalloc(1, sizeof(***dir));
|
2001-05-04 03:57:05 +00:00
|
|
|
(*dir)[ents]->filename = xstrdup(filename);
|
|
|
|
(*dir)[ents]->longname = xstrdup(longname);
|
2015-07-02 13:15:34 +00:00
|
|
|
memcpy(&(*dir)[ents]->a, &a, sizeof(a));
|
2001-05-04 03:57:05 +00:00
|
|
|
(*dir)[++ents] = NULL;
|
|
|
|
}
|
2013-09-18 17:27:38 +00:00
|
|
|
free(filename);
|
|
|
|
free(longname);
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
}
|
2014-01-30 10:56:49 +00:00
|
|
|
status = 0;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
out:
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2002-03-18 09:55:03 +00:00
|
|
|
do_close(conn, handle, handle_len);
|
2013-09-18 17:27:38 +00:00
|
|
|
free(handle);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
if (status != 0 && dir != NULL) {
|
|
|
|
/* Don't return results on error */
|
|
|
|
free_sftp_dirents(*dir);
|
|
|
|
*dir = NULL;
|
|
|
|
} else if (interrupted && dir != NULL && *dir != NULL) {
|
|
|
|
/* Don't return partial matches on interrupt */
|
2004-10-28 16:03:53 +00:00
|
|
|
free_sftp_dirents(*dir);
|
2013-11-11 09:13:37 +00:00
|
|
|
*dir = xcalloc(1, sizeof(**dir));
|
2004-10-28 16:03:53 +00:00
|
|
|
**dir = NULL;
|
|
|
|
}
|
|
|
|
|
2018-08-28 10:47:58 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_readdir(struct sftp_conn *conn, const char *path, SFTP_DIRENT ***dir)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
2002-03-18 09:55:03 +00:00
|
|
|
return(do_lsreaddir(conn, path, 0, dir));
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void free_sftp_dirents(SFTP_DIRENT **s)
|
|
|
|
{
|
|
|
|
int i;
|
2002-03-18 09:55:03 +00:00
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
if (s == NULL)
|
|
|
|
return;
|
2002-03-18 09:55:03 +00:00
|
|
|
for (i = 0; s[i]; i++) {
|
2013-09-18 17:27:38 +00:00
|
|
|
free(s[i]->filename);
|
|
|
|
free(s[i]->longname);
|
|
|
|
free(s[i]);
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
2013-09-18 17:27:38 +00:00
|
|
|
free(s);
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_rm(struct sftp_conn *conn, const char *path)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
|
|
|
u_int status, id;
|
|
|
|
|
|
|
|
debug2("Sending SSH2_FXP_REMOVE \"%s\"", path);
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_request(conn, id, SSH2_FXP_REMOVE, path, strlen(path));
|
|
|
|
status = get_status(conn, id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (status != SSH2_FX_OK)
|
|
|
|
error("Couldn't delete file: %s", fx2txt(status));
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_mkdir(struct sftp_conn *conn, const char *path, Attrib *a, int print_flag)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
|
|
|
u_int status, id;
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_attrs_request(conn, id, SSH2_FXP_MKDIR, path,
|
2001-05-04 03:57:05 +00:00
|
|
|
strlen(path), a);
|
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
status = get_status(conn, id);
|
2014-01-30 10:56:49 +00:00
|
|
|
if (status != SSH2_FX_OK && print_flag)
|
2001-05-04 03:57:05 +00:00
|
|
|
error("Couldn't create directory: %s", fx2txt(status));
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_rmdir(struct sftp_conn *conn, const char *path)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
|
|
|
u_int status, id;
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_request(conn, id, SSH2_FXP_RMDIR, path,
|
2002-03-18 09:55:03 +00:00
|
|
|
strlen(path));
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
status = get_status(conn, id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (status != SSH2_FX_OK)
|
|
|
|
error("Couldn't remove directory: %s", fx2txt(status));
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
Attrib *
|
2015-07-02 13:15:34 +00:00
|
|
|
do_stat(struct sftp_conn *conn, const char *path, int quiet)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
|
|
|
u_int id;
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_request(conn, id,
|
2002-06-23 14:01:54 +00:00
|
|
|
conn->version == 0 ? SSH2_FXP_STAT_VERSION_0 : SSH2_FXP_STAT,
|
2002-03-18 09:55:03 +00:00
|
|
|
path, strlen(path));
|
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
return(get_decode_stat(conn, id, quiet));
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
Attrib *
|
2015-07-02 13:15:34 +00:00
|
|
|
do_lstat(struct sftp_conn *conn, const char *path, int quiet)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
|
|
|
u_int id;
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
if (conn->version == 0) {
|
|
|
|
if (quiet)
|
|
|
|
debug("Server version does not support lstat operation");
|
|
|
|
else
|
2004-01-07 11:10:17 +00:00
|
|
|
logit("Server version does not support lstat operation");
|
2002-06-23 14:01:54 +00:00
|
|
|
return(do_stat(conn, path, quiet));
|
2002-03-18 09:55:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
id = conn->msg_id++;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_request(conn, id, SSH2_FXP_LSTAT, path,
|
2002-03-18 09:55:03 +00:00
|
|
|
strlen(path));
|
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
return(get_decode_stat(conn, id, quiet));
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
2008-07-23 09:28:49 +00:00
|
|
|
#ifdef notyet
|
2001-05-04 03:57:05 +00:00
|
|
|
Attrib *
|
2015-07-02 13:15:34 +00:00
|
|
|
do_fstat(struct sftp_conn *conn, const u_char *handle, u_int handle_len,
|
|
|
|
int quiet)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
|
|
|
u_int id;
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_request(conn, id, SSH2_FXP_FSTAT, handle,
|
2002-03-18 09:55:03 +00:00
|
|
|
handle_len);
|
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
return(get_decode_stat(conn, id, quiet));
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
2008-07-23 09:28:49 +00:00
|
|
|
#endif
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_setstat(struct sftp_conn *conn, const char *path, Attrib *a)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
|
|
|
u_int status, id;
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_attrs_request(conn, id, SSH2_FXP_SETSTAT, path,
|
2001-05-04 03:57:05 +00:00
|
|
|
strlen(path), a);
|
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
status = get_status(conn, id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (status != SSH2_FX_OK)
|
|
|
|
error("Couldn't setstat on \"%s\": %s", path,
|
|
|
|
fx2txt(status));
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_fsetstat(struct sftp_conn *conn, const u_char *handle, u_int handle_len,
|
2001-05-04 03:57:05 +00:00
|
|
|
Attrib *a)
|
|
|
|
{
|
|
|
|
u_int status, id;
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_attrs_request(conn, id, SSH2_FXP_FSETSTAT, handle,
|
2001-05-04 03:57:05 +00:00
|
|
|
handle_len, a);
|
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
status = get_status(conn, id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (status != SSH2_FX_OK)
|
|
|
|
error("Couldn't fsetstat: %s", fx2txt(status));
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
char *
|
2015-07-02 13:15:34 +00:00
|
|
|
do_realpath(struct sftp_conn *conn, const char *path)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
|
|
|
u_int expected_id, count, id;
|
2001-05-04 03:57:05 +00:00
|
|
|
char *filename, *longname;
|
2015-07-02 13:15:34 +00:00
|
|
|
Attrib a;
|
|
|
|
u_char type;
|
|
|
|
int r;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
expected_id = id = conn->msg_id++;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_request(conn, id, SSH2_FXP_REALPATH, path,
|
2002-03-18 09:55:03 +00:00
|
|
|
strlen(path));
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
get_msg(conn, msg);
|
|
|
|
if ((r = sshbuf_get_u8(msg, &type)) != 0 ||
|
|
|
|
(r = sshbuf_get_u32(msg, &id)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if (id != expected_id)
|
2002-06-29 11:34:13 +00:00
|
|
|
fatal("ID mismatch (%u != %u)", id, expected_id);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if (type == SSH2_FXP_STATUS) {
|
2015-07-02 13:15:34 +00:00
|
|
|
u_int status;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &status)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse status");
|
2014-01-30 10:56:49 +00:00
|
|
|
error("Couldn't canonicalize: %s", fx2txt(status));
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2010-11-08 10:45:44 +00:00
|
|
|
return NULL;
|
2001-05-04 03:57:05 +00:00
|
|
|
} else if (type != SSH2_FXP_NAME)
|
2002-06-29 11:34:13 +00:00
|
|
|
fatal("Expected SSH2_FXP_NAME(%u) packet, got %u",
|
2001-05-04 03:57:05 +00:00
|
|
|
SSH2_FXP_NAME, type);
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &count)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse count");
|
2001-05-04 03:57:05 +00:00
|
|
|
if (count != 1)
|
|
|
|
fatal("Got multiple names (%d) from SSH_FXP_REALPATH", count);
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_cstring(msg, &filename, NULL)) != 0 ||
|
|
|
|
(r = sshbuf_get_cstring(msg, &longname, NULL)) != 0 ||
|
|
|
|
(r = decode_attrib(msg, &a)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse filename/attrib");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2012-08-29 15:55:54 +00:00
|
|
|
debug3("SSH_FXP_REALPATH %s -> %s size %lu", path, filename,
|
2015-07-02 13:15:34 +00:00
|
|
|
(unsigned long)a.size);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2013-09-18 17:27:38 +00:00
|
|
|
free(longname);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
return(filename);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_rename(struct sftp_conn *conn, const char *oldpath, const char *newpath,
|
2014-01-30 10:56:49 +00:00
|
|
|
int force_legacy)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
2001-05-04 03:57:05 +00:00
|
|
|
u_int status, id;
|
2015-07-02 13:15:34 +00:00
|
|
|
int r, use_ext = (conn->exts & SFTP_EXT_POSIX_RENAME) && !force_legacy;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
/* Send rename request */
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2014-01-30 10:56:49 +00:00
|
|
|
if (use_ext) {
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_EXTENDED)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg,
|
|
|
|
"posix-rename@openssh.com")) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose posix-rename");
|
2008-07-23 09:28:49 +00:00
|
|
|
} else {
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_RENAME)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose rename");
|
2008-07-23 09:28:49 +00:00
|
|
|
}
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_cstring(msg, oldpath)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, newpath)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose paths");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2008-07-23 09:28:49 +00:00
|
|
|
debug3("Sent message %s \"%s\" -> \"%s\"",
|
2015-07-02 13:15:34 +00:00
|
|
|
use_ext ? "posix-rename@openssh.com" :
|
|
|
|
"SSH2_FXP_RENAME", oldpath, newpath);
|
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
status = get_status(conn, id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (status != SSH2_FX_OK)
|
2002-03-18 09:55:03 +00:00
|
|
|
error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath,
|
|
|
|
newpath, fx2txt(status));
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_hardlink(struct sftp_conn *conn, const char *oldpath, const char *newpath)
|
2011-02-17 11:47:40 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
2011-02-17 11:47:40 +00:00
|
|
|
u_int status, id;
|
2015-07-02 13:15:34 +00:00
|
|
|
int r;
|
2011-02-17 11:47:40 +00:00
|
|
|
|
|
|
|
if ((conn->exts & SFTP_EXT_HARDLINK) == 0) {
|
|
|
|
error("Server does not support hardlink@openssh.com extension");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2012-08-29 15:46:01 +00:00
|
|
|
|
|
|
|
/* Send link request */
|
|
|
|
id = conn->msg_id++;
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_EXTENDED)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, "hardlink@openssh.com")) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, oldpath)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, newpath)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2011-02-17 11:47:40 +00:00
|
|
|
debug3("Sent message hardlink@openssh.com \"%s\" -> \"%s\"",
|
|
|
|
oldpath, newpath);
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2011-02-17 11:47:40 +00:00
|
|
|
|
|
|
|
status = get_status(conn, id);
|
|
|
|
if (status != SSH2_FX_OK)
|
|
|
|
error("Couldn't link file \"%s\" to \"%s\": %s", oldpath,
|
|
|
|
newpath, fx2txt(status));
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2011-02-17 11:47:40 +00:00
|
|
|
}
|
|
|
|
|
2001-05-04 03:57:05 +00:00
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_symlink(struct sftp_conn *conn, const char *oldpath, const char *newpath)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
2001-05-04 03:57:05 +00:00
|
|
|
u_int status, id;
|
2015-07-02 13:15:34 +00:00
|
|
|
int r;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
if (conn->version < 3) {
|
|
|
|
error("This server does not support the symlink operation");
|
|
|
|
return(SSH2_FX_OP_UNSUPPORTED);
|
|
|
|
}
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2004-10-28 16:03:53 +00:00
|
|
|
/* Send symlink request */
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_SYMLINK)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, oldpath)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, newpath)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
debug3("Sent message SSH2_FXP_SYMLINK \"%s\" -> \"%s\"", oldpath,
|
|
|
|
newpath);
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
status = get_status(conn, id);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (status != SSH2_FX_OK)
|
2003-04-23 16:53:02 +00:00
|
|
|
error("Couldn't symlink file \"%s\" to \"%s\": %s", oldpath,
|
2002-03-18 09:55:03 +00:00
|
|
|
newpath, fx2txt(status));
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_fsync(struct sftp_conn *conn, u_char *handle, u_int handle_len)
|
2014-01-30 10:56:49 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
2014-01-30 10:56:49 +00:00
|
|
|
u_int status, id;
|
2015-07-02 13:15:34 +00:00
|
|
|
int r;
|
2014-01-30 10:56:49 +00:00
|
|
|
|
|
|
|
/* Silently return if the extension is not supported */
|
|
|
|
if ((conn->exts & SFTP_EXT_FSYNC) == 0)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
/* Send fsync request */
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2014-01-30 10:56:49 +00:00
|
|
|
id = conn->msg_id++;
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_EXTENDED)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, "fsync@openssh.com")) != 0 ||
|
|
|
|
(r = sshbuf_put_string(msg, handle, handle_len)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2014-01-30 10:56:49 +00:00
|
|
|
debug3("Sent message fsync@openssh.com I:%u", id);
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2014-01-30 10:56:49 +00:00
|
|
|
|
|
|
|
status = get_status(conn, id);
|
|
|
|
if (status != SSH2_FX_OK)
|
|
|
|
error("Couldn't sync file: %s", fx2txt(status));
|
|
|
|
|
2018-08-28 10:47:58 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2014-01-30 10:56:49 +00:00
|
|
|
}
|
|
|
|
|
2008-07-23 09:28:49 +00:00
|
|
|
#ifdef notyet
|
2001-05-04 03:57:05 +00:00
|
|
|
char *
|
2015-07-02 13:15:34 +00:00
|
|
|
do_readlink(struct sftp_conn *conn, const char *path)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
|
|
|
u_int expected_id, count, id;
|
2001-05-04 03:57:05 +00:00
|
|
|
char *filename, *longname;
|
2015-07-02 13:15:34 +00:00
|
|
|
Attrib a;
|
|
|
|
u_char type;
|
|
|
|
int r;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
expected_id = id = conn->msg_id++;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_string_request(conn, id, SSH2_FXP_READLINK, path, strlen(path));
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
get_msg(conn, msg);
|
|
|
|
if ((r = sshbuf_get_u8(msg, &type)) != 0 ||
|
|
|
|
(r = sshbuf_get_u32(msg, &id)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if (id != expected_id)
|
2002-06-29 11:34:13 +00:00
|
|
|
fatal("ID mismatch (%u != %u)", id, expected_id);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if (type == SSH2_FXP_STATUS) {
|
2015-07-02 13:15:34 +00:00
|
|
|
u_int status;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &status)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse status");
|
2001-05-04 03:57:05 +00:00
|
|
|
error("Couldn't readlink: %s", fx2txt(status));
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
return(NULL);
|
|
|
|
} else if (type != SSH2_FXP_NAME)
|
2002-06-29 11:34:13 +00:00
|
|
|
fatal("Expected SSH2_FXP_NAME(%u) packet, got %u",
|
2001-05-04 03:57:05 +00:00
|
|
|
SSH2_FXP_NAME, type);
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &count)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse count");
|
2001-05-04 03:57:05 +00:00
|
|
|
if (count != 1)
|
|
|
|
fatal("Got multiple names (%d) from SSH_FXP_READLINK", count);
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_cstring(msg, &filename, NULL)) != 0 ||
|
|
|
|
(r = sshbuf_get_cstring(msg, &longname, NULL)) != 0 ||
|
|
|
|
(r = decode_attrib(msg, &a)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse filenames/attrib");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
debug3("SSH_FXP_READLINK %s -> %s", path, filename);
|
|
|
|
|
2013-09-18 17:27:38 +00:00
|
|
|
free(longname);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return filename;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
2008-07-23 09:28:49 +00:00
|
|
|
#endif
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2008-07-23 09:33:08 +00:00
|
|
|
int
|
|
|
|
do_statvfs(struct sftp_conn *conn, const char *path, struct sftp_statvfs *st,
|
|
|
|
int quiet)
|
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
2008-07-23 09:33:08 +00:00
|
|
|
u_int id;
|
2015-07-02 13:15:34 +00:00
|
|
|
int r;
|
2008-07-23 09:33:08 +00:00
|
|
|
|
|
|
|
if ((conn->exts & SFTP_EXT_STATVFS) == 0) {
|
|
|
|
error("Server does not support statvfs@openssh.com extension");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
id = conn->msg_id++;
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_EXTENDED)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, "statvfs@openssh.com")) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, path)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
|
|
|
sshbuf_free(msg);
|
2008-07-23 09:33:08 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
return get_decode_statvfs(conn, st, id, quiet);
|
2008-07-23 09:33:08 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef notyet
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_fstatvfs(struct sftp_conn *conn, const u_char *handle, u_int handle_len,
|
2008-07-23 09:33:08 +00:00
|
|
|
struct sftp_statvfs *st, int quiet)
|
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
2008-07-23 09:33:08 +00:00
|
|
|
u_int id;
|
|
|
|
|
|
|
|
if ((conn->exts & SFTP_EXT_FSTATVFS) == 0) {
|
|
|
|
error("Server does not support fstatvfs@openssh.com extension");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
id = conn->msg_id++;
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_EXTENDED)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, "fstatvfs@openssh.com")) != 0 ||
|
|
|
|
(r = sshbuf_put_string(msg, handle, handle_len)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
|
|
|
sshbuf_free(msg);
|
2008-07-23 09:33:08 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
return get_decode_statvfs(conn, st, id, quiet);
|
2008-07-23 09:33:08 +00:00
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2020-02-14 19:47:15 +00:00
|
|
|
int
|
|
|
|
do_lsetstat(struct sftp_conn *conn, const char *path, Attrib *a)
|
|
|
|
{
|
|
|
|
struct sshbuf *msg;
|
|
|
|
u_int status, id;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
if ((conn->exts & SFTP_EXT_LSETSTAT) == 0) {
|
|
|
|
error("Server does not support lsetstat@openssh.com extension");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
id = conn->msg_id++;
|
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2020-02-14 19:47:15 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_EXTENDED)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, "lsetstat@openssh.com")) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, path)) != 0 ||
|
|
|
|
(r = encode_attrib(msg, a)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2020-02-14 19:47:15 +00:00
|
|
|
send_msg(conn, msg);
|
|
|
|
sshbuf_free(msg);
|
|
|
|
|
|
|
|
status = get_status(conn, id);
|
|
|
|
if (status != SSH2_FX_OK)
|
|
|
|
error("Couldn't setstat on \"%s\": %s", path,
|
|
|
|
fx2txt(status));
|
|
|
|
|
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
|
|
|
}
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
static void
|
2011-02-17 11:47:40 +00:00
|
|
|
send_read_request(struct sftp_conn *conn, u_int id, u_int64_t offset,
|
2015-07-02 13:15:34 +00:00
|
|
|
u_int len, const u_char *handle, u_int handle_len)
|
2002-03-18 09:55:03 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_READ)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_string(msg, handle, handle_len)) != 0 ||
|
|
|
|
(r = sshbuf_put_u64(msg, offset)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, len)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
|
|
|
sshbuf_free(msg);
|
2002-06-23 14:01:54 +00:00
|
|
|
}
|
2002-03-18 09:55:03 +00:00
|
|
|
|
2001-05-04 03:57:05 +00:00
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_download(struct sftp_conn *conn, const char *remote_path,
|
|
|
|
const char *local_path, Attrib *a, int preserve_flag, int resume_flag,
|
|
|
|
int fsync_flag)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
2010-03-08 11:19:52 +00:00
|
|
|
Attrib junk;
|
2015-07-02 13:15:34 +00:00
|
|
|
struct sshbuf *msg;
|
|
|
|
u_char *handle;
|
|
|
|
int local_fd = -1, write_error;
|
2021-02-14 21:00:25 +00:00
|
|
|
int read_error, write_errno, lmodified = 0, reordered = 0, r;
|
2013-09-18 17:27:38 +00:00
|
|
|
u_int64_t offset = 0, size, highwater;
|
2015-07-02 13:15:34 +00:00
|
|
|
u_int mode, id, buflen, num_req, max_req, status = SSH2_FX_OK;
|
2003-04-23 16:53:02 +00:00
|
|
|
off_t progress_counter;
|
2015-07-02 13:15:34 +00:00
|
|
|
size_t handle_len;
|
2013-09-18 17:27:38 +00:00
|
|
|
struct stat st;
|
2002-03-18 09:55:03 +00:00
|
|
|
struct request {
|
|
|
|
u_int id;
|
2015-07-02 13:15:34 +00:00
|
|
|
size_t len;
|
2002-03-18 09:55:03 +00:00
|
|
|
u_int64_t offset;
|
2002-06-23 14:01:54 +00:00
|
|
|
TAILQ_ENTRY(request) tq;
|
2002-03-18 09:55:03 +00:00
|
|
|
};
|
|
|
|
TAILQ_HEAD(reqhead, request) requests;
|
|
|
|
struct request *req;
|
2015-07-02 13:15:34 +00:00
|
|
|
u_char type;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
TAILQ_INIT(&requests);
|
|
|
|
|
2010-03-08 11:19:52 +00:00
|
|
|
if (a == NULL && (a = do_stat(conn, remote_path, 0)) == NULL)
|
|
|
|
return -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2008-07-23 09:33:08 +00:00
|
|
|
/* Do not preserve set[ug]id here, as we do not preserve ownership */
|
2001-05-04 03:57:05 +00:00
|
|
|
if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
|
2003-04-23 16:53:02 +00:00
|
|
|
mode = a->perm & 0777;
|
2001-05-04 03:57:05 +00:00
|
|
|
else
|
|
|
|
mode = 0666;
|
|
|
|
|
|
|
|
if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
|
2003-04-23 16:53:02 +00:00
|
|
|
(!S_ISREG(a->perm))) {
|
|
|
|
error("Cannot download non-regular file: %s", remote_path);
|
2001-05-04 03:57:05 +00:00
|
|
|
return(-1);
|
|
|
|
}
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
|
|
|
|
size = a->size;
|
|
|
|
else
|
|
|
|
size = 0;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
buflen = conn->transfer_buflen;
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2015-07-02 13:15:34 +00:00
|
|
|
|
|
|
|
attrib_clear(&junk); /* Send empty attributes */
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
/* Send open request */
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_OPEN)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, remote_path)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, SSH2_FXF_READ)) != 0 ||
|
|
|
|
(r = encode_attrib(msg, &junk)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2002-06-29 11:34:13 +00:00
|
|
|
debug3("Sent message SSH2_FXP_OPEN I:%u P:%s", id, remote_path);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
handle = get_handle(conn, id, &handle_len,
|
2010-03-08 11:19:52 +00:00
|
|
|
"remote open(\"%s\")", remote_path);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (handle == NULL) {
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2002-03-18 09:55:03 +00:00
|
|
|
return(-1);
|
|
|
|
}
|
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
local_fd = open(local_path,
|
|
|
|
O_WRONLY | O_CREAT | (resume_flag ? 0 : O_TRUNC), mode | S_IWUSR);
|
2002-03-18 09:55:03 +00:00
|
|
|
if (local_fd == -1) {
|
|
|
|
error("Couldn't open local file \"%s\" for writing: %s",
|
|
|
|
local_path, strerror(errno));
|
2013-09-18 17:27:38 +00:00
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
offset = highwater = 0;
|
2014-01-30 10:56:49 +00:00
|
|
|
if (resume_flag) {
|
2013-09-18 17:27:38 +00:00
|
|
|
if (fstat(local_fd, &st) == -1) {
|
|
|
|
error("Unable to stat local file \"%s\": %s",
|
|
|
|
local_path, strerror(errno));
|
|
|
|
goto fail;
|
|
|
|
}
|
2014-01-30 10:56:49 +00:00
|
|
|
if (st.st_size < 0) {
|
|
|
|
error("\"%s\" has negative size", local_path);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
if ((u_int64_t)st.st_size > size) {
|
2013-09-18 17:27:38 +00:00
|
|
|
error("Unable to resume download of \"%s\": "
|
|
|
|
"local file is larger than remote", local_path);
|
|
|
|
fail:
|
|
|
|
do_close(conn, handle, handle_len);
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2013-09-18 17:27:38 +00:00
|
|
|
free(handle);
|
2014-01-30 10:56:49 +00:00
|
|
|
if (local_fd != -1)
|
|
|
|
close(local_fd);
|
2013-09-18 17:27:38 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
offset = highwater = st.st_size;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Read from remote and write to local */
|
2013-09-18 17:27:38 +00:00
|
|
|
write_error = read_error = write_errno = num_req = 0;
|
2002-03-18 09:55:03 +00:00
|
|
|
max_req = 1;
|
2013-09-18 17:27:38 +00:00
|
|
|
progress_counter = offset;
|
2003-04-23 16:53:02 +00:00
|
|
|
|
2004-04-20 09:35:04 +00:00
|
|
|
if (showprogress && size != 0)
|
|
|
|
start_progress_meter(remote_path, size, &progress_counter);
|
2003-04-23 16:53:02 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
while (num_req > 0 || max_req > 0) {
|
2015-07-02 13:15:34 +00:00
|
|
|
u_char *data;
|
|
|
|
size_t len;
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2004-10-28 16:03:53 +00:00
|
|
|
/*
|
|
|
|
* Simulate EOF on interrupt: stop sending new requests and
|
|
|
|
* allow outstanding requests to drain gracefully
|
|
|
|
*/
|
|
|
|
if (interrupted) {
|
|
|
|
if (num_req == 0) /* If we haven't started yet... */
|
|
|
|
break;
|
|
|
|
max_req = 0;
|
|
|
|
}
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
/* Send some more requests */
|
|
|
|
while (num_req < max_req) {
|
2002-06-23 14:01:54 +00:00
|
|
|
debug3("Request range %llu -> %llu (%d/%d)",
|
|
|
|
(unsigned long long)offset,
|
|
|
|
(unsigned long long)offset + buflen - 1,
|
|
|
|
num_req, max_req);
|
2013-11-11 09:13:37 +00:00
|
|
|
req = xcalloc(1, sizeof(*req));
|
2002-03-18 09:55:03 +00:00
|
|
|
req->id = conn->msg_id++;
|
|
|
|
req->len = buflen;
|
|
|
|
req->offset = offset;
|
|
|
|
offset += buflen;
|
|
|
|
num_req++;
|
|
|
|
TAILQ_INSERT_TAIL(&requests, req, tq);
|
2011-02-17 11:47:40 +00:00
|
|
|
send_read_request(conn, req->id, req->offset,
|
2002-03-18 09:55:03 +00:00
|
|
|
req->len, handle, handle_len);
|
|
|
|
}
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_reset(msg);
|
|
|
|
get_msg(conn, msg);
|
|
|
|
if ((r = sshbuf_get_u8(msg, &type)) != 0 ||
|
|
|
|
(r = sshbuf_get_u32(msg, &id)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
2002-06-29 11:34:13 +00:00
|
|
|
debug3("Received reply T:%u I:%u R:%d", type, id, max_req);
|
2002-03-18 09:55:03 +00:00
|
|
|
|
|
|
|
/* Find the request in our queue */
|
2005-06-05 15:41:57 +00:00
|
|
|
for (req = TAILQ_FIRST(&requests);
|
2002-03-18 09:55:03 +00:00
|
|
|
req != NULL && req->id != id;
|
|
|
|
req = TAILQ_NEXT(req, tq))
|
|
|
|
;
|
|
|
|
if (req == NULL)
|
|
|
|
fatal("Unexpected reply %u", id);
|
|
|
|
|
|
|
|
switch (type) {
|
|
|
|
case SSH2_FXP_STATUS:
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &status)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse status");
|
2002-03-18 09:55:03 +00:00
|
|
|
if (status != SSH2_FX_EOF)
|
|
|
|
read_error = 1;
|
|
|
|
max_req = 0;
|
|
|
|
TAILQ_REMOVE(&requests, req, tq);
|
2013-09-18 17:27:38 +00:00
|
|
|
free(req);
|
2002-03-18 09:55:03 +00:00
|
|
|
num_req--;
|
|
|
|
break;
|
|
|
|
case SSH2_FXP_DATA:
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_string(msg, &data, &len)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse data");
|
2002-06-23 14:01:54 +00:00
|
|
|
debug3("Received data %llu -> %llu",
|
|
|
|
(unsigned long long)req->offset,
|
|
|
|
(unsigned long long)req->offset + len - 1);
|
2002-03-18 09:55:03 +00:00
|
|
|
if (len > req->len)
|
|
|
|
fatal("Received more data than asked for "
|
2015-07-02 13:15:34 +00:00
|
|
|
"%zu > %zu", len, req->len);
|
2021-02-14 21:00:25 +00:00
|
|
|
lmodified = 1;
|
2002-03-18 09:55:03 +00:00
|
|
|
if ((lseek(local_fd, req->offset, SEEK_SET) == -1 ||
|
2004-01-07 11:10:17 +00:00
|
|
|
atomicio(vwrite, local_fd, data, len) != len) &&
|
2002-03-18 09:55:03 +00:00
|
|
|
!write_error) {
|
|
|
|
write_errno = errno;
|
|
|
|
write_error = 1;
|
|
|
|
max_req = 0;
|
|
|
|
}
|
2013-09-18 17:27:38 +00:00
|
|
|
else if (!reordered && req->offset <= highwater)
|
|
|
|
highwater = req->offset + len;
|
|
|
|
else if (!reordered && req->offset > highwater)
|
|
|
|
reordered = 1;
|
2003-04-23 16:53:02 +00:00
|
|
|
progress_counter += len;
|
2013-09-18 17:27:38 +00:00
|
|
|
free(data);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
if (len == req->len) {
|
|
|
|
TAILQ_REMOVE(&requests, req, tq);
|
2013-09-18 17:27:38 +00:00
|
|
|
free(req);
|
2002-03-18 09:55:03 +00:00
|
|
|
num_req--;
|
|
|
|
} else {
|
|
|
|
/* Resend the request for the missing data */
|
|
|
|
debug3("Short data block, re-requesting "
|
2002-06-23 14:01:54 +00:00
|
|
|
"%llu -> %llu (%2d)",
|
|
|
|
(unsigned long long)req->offset + len,
|
|
|
|
(unsigned long long)req->offset +
|
|
|
|
req->len - 1, num_req);
|
2002-03-18 09:55:03 +00:00
|
|
|
req->id = conn->msg_id++;
|
|
|
|
req->len -= len;
|
|
|
|
req->offset += len;
|
2011-02-17 11:47:40 +00:00
|
|
|
send_read_request(conn, req->id,
|
2002-03-18 09:55:03 +00:00
|
|
|
req->offset, req->len, handle, handle_len);
|
|
|
|
/* Reduce the request size */
|
|
|
|
if (len < buflen)
|
2017-01-31 12:33:47 +00:00
|
|
|
buflen = MAXIMUM(MIN_READ_SIZE, len);
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
2002-03-18 09:55:03 +00:00
|
|
|
if (max_req > 0) { /* max_req = 0 iff EOF received */
|
|
|
|
if (size > 0 && offset > size) {
|
|
|
|
/* Only one request at a time
|
|
|
|
* after the expected EOF */
|
|
|
|
debug3("Finish at %llu (%2d)",
|
2002-06-23 14:01:54 +00:00
|
|
|
(unsigned long long)offset,
|
|
|
|
num_req);
|
2002-03-18 09:55:03 +00:00
|
|
|
max_req = 1;
|
2021-02-14 21:09:58 +00:00
|
|
|
} else if (max_req < conn->num_requests) {
|
2002-03-18 09:55:03 +00:00
|
|
|
++max_req;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
2002-06-29 11:34:13 +00:00
|
|
|
fatal("Expected SSH2_FXP_DATA(%u) packet, got %u",
|
2001-05-04 03:57:05 +00:00
|
|
|
SSH2_FXP_DATA, type);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-04-23 16:53:02 +00:00
|
|
|
if (showprogress && size)
|
|
|
|
stop_progress_meter();
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
/* Sanity check */
|
|
|
|
if (TAILQ_FIRST(&requests) != NULL)
|
|
|
|
fatal("Transfer complete, but requests still in queue");
|
2013-09-18 17:27:38 +00:00
|
|
|
/* Truncate at highest contiguous point to avoid holes on interrupt */
|
|
|
|
if (read_error || write_error || interrupted) {
|
2014-01-30 10:56:49 +00:00
|
|
|
if (reordered && resume_flag) {
|
2013-09-18 17:27:38 +00:00
|
|
|
error("Unable to resume download of \"%s\": "
|
|
|
|
"server reordered requests", local_path);
|
|
|
|
}
|
|
|
|
debug("truncating at %llu", (unsigned long long)highwater);
|
2015-07-02 13:18:50 +00:00
|
|
|
if (ftruncate(local_fd, highwater) == -1)
|
|
|
|
error("ftruncate \"%s\": %s", local_path,
|
|
|
|
strerror(errno));
|
2013-09-18 17:27:38 +00:00
|
|
|
}
|
2002-03-18 09:55:03 +00:00
|
|
|
if (read_error) {
|
2002-06-23 14:01:54 +00:00
|
|
|
error("Couldn't read from remote file \"%s\" : %s",
|
2002-03-18 09:55:03 +00:00
|
|
|
remote_path, fx2txt(status));
|
2014-01-30 10:56:49 +00:00
|
|
|
status = -1;
|
2002-03-18 09:55:03 +00:00
|
|
|
do_close(conn, handle, handle_len);
|
|
|
|
} else if (write_error) {
|
|
|
|
error("Couldn't write to \"%s\": %s", local_path,
|
|
|
|
strerror(write_errno));
|
2015-07-02 13:15:34 +00:00
|
|
|
status = SSH2_FX_FAILURE;
|
2002-03-18 09:55:03 +00:00
|
|
|
do_close(conn, handle, handle_len);
|
|
|
|
} else {
|
2015-07-02 13:15:34 +00:00
|
|
|
if (do_close(conn, handle, handle_len) != 0 || interrupted)
|
|
|
|
status = SSH2_FX_FAILURE;
|
|
|
|
else
|
|
|
|
status = SSH2_FX_OK;
|
2002-03-18 09:55:03 +00:00
|
|
|
/* Override umask and utimes if asked */
|
2002-06-27 22:31:32 +00:00
|
|
|
#ifdef HAVE_FCHMOD
|
2014-01-30 10:56:49 +00:00
|
|
|
if (preserve_flag && fchmod(local_fd, mode) == -1)
|
2004-02-26 10:38:49 +00:00
|
|
|
#else
|
2014-01-30 10:56:49 +00:00
|
|
|
if (preserve_flag && chmod(local_path, mode) == -1)
|
2002-06-27 22:31:32 +00:00
|
|
|
#endif /* HAVE_FCHMOD */
|
2002-03-18 09:55:03 +00:00
|
|
|
error("Couldn't set mode on \"%s\": %s", local_path,
|
2003-04-23 16:53:02 +00:00
|
|
|
strerror(errno));
|
2014-01-30 10:56:49 +00:00
|
|
|
if (preserve_flag &&
|
|
|
|
(a->flags & SSH2_FILEXFER_ATTR_ACMODTIME)) {
|
2002-03-18 09:55:03 +00:00
|
|
|
struct timeval tv[2];
|
|
|
|
tv[0].tv_sec = a->atime;
|
|
|
|
tv[1].tv_sec = a->mtime;
|
|
|
|
tv[0].tv_usec = tv[1].tv_usec = 0;
|
|
|
|
if (utimes(local_path, tv) == -1)
|
|
|
|
error("Can't set times on \"%s\": %s",
|
2003-04-23 16:53:02 +00:00
|
|
|
local_path, strerror(errno));
|
2002-03-18 09:55:03 +00:00
|
|
|
}
|
2021-02-14 21:00:25 +00:00
|
|
|
if (resume_flag && !lmodified)
|
|
|
|
logit("File \"%s\" was not modified", local_path);
|
|
|
|
else if (fsync_flag) {
|
2014-01-30 10:56:49 +00:00
|
|
|
debug("syncing \"%s\"", local_path);
|
|
|
|
if (fsync(local_fd) == -1)
|
|
|
|
error("Couldn't sync file \"%s\": %s",
|
|
|
|
local_path, strerror(errno));
|
|
|
|
}
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
close(local_fd);
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2013-09-18 17:27:38 +00:00
|
|
|
free(handle);
|
2002-03-18 09:55:03 +00:00
|
|
|
|
2018-08-28 10:47:58 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
2010-03-08 11:19:52 +00:00
|
|
|
static int
|
2015-07-02 13:15:34 +00:00
|
|
|
download_dir_internal(struct sftp_conn *conn, const char *src, const char *dst,
|
|
|
|
int depth, Attrib *dirattrib, int preserve_flag, int print_flag,
|
|
|
|
int resume_flag, int fsync_flag)
|
2010-03-08 11:19:52 +00:00
|
|
|
{
|
|
|
|
int i, ret = 0;
|
|
|
|
SFTP_DIRENT **dir_entries;
|
2018-08-28 10:47:58 +00:00
|
|
|
char *filename, *new_src = NULL, *new_dst = NULL;
|
2021-04-23 19:10:38 +00:00
|
|
|
mode_t mode = 0777, tmpmode = mode;
|
2010-03-08 11:19:52 +00:00
|
|
|
|
|
|
|
if (depth >= MAX_DIR_DEPTH) {
|
|
|
|
error("Maximum directory depth exceeded: %d levels", depth);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dirattrib == NULL &&
|
|
|
|
(dirattrib = do_stat(conn, src, 1)) == NULL) {
|
|
|
|
error("Unable to stat remote directory \"%s\"", src);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (!S_ISDIR(dirattrib->perm)) {
|
|
|
|
error("\"%s\" is not a directory", src);
|
|
|
|
return -1;
|
|
|
|
}
|
2014-01-30 10:56:49 +00:00
|
|
|
if (print_flag)
|
2017-01-31 12:29:48 +00:00
|
|
|
mprintf("Retrieving %s\n", src);
|
2010-03-08 11:19:52 +00:00
|
|
|
|
2021-04-23 19:10:38 +00:00
|
|
|
if (dirattrib->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) {
|
2010-03-08 11:19:52 +00:00
|
|
|
mode = dirattrib->perm & 01777;
|
2021-04-23 19:10:38 +00:00
|
|
|
tmpmode = mode | (S_IWUSR|S_IXUSR);
|
|
|
|
} else {
|
2010-03-08 11:19:52 +00:00
|
|
|
debug("Server did not send permissions for "
|
|
|
|
"directory \"%s\"", dst);
|
|
|
|
}
|
|
|
|
|
2021-04-23 19:10:38 +00:00
|
|
|
if (mkdir(dst, tmpmode) == -1 && errno != EEXIST) {
|
2010-03-08 11:19:52 +00:00
|
|
|
error("mkdir %s: %s", dst, strerror(errno));
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (do_readdir(conn, src, &dir_entries) == -1) {
|
|
|
|
error("%s: Failed to get directory contents", src);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; dir_entries[i] != NULL && !interrupted; i++) {
|
2018-08-28 10:47:58 +00:00
|
|
|
free(new_dst);
|
|
|
|
free(new_src);
|
2010-03-08 11:19:52 +00:00
|
|
|
|
2018-08-28 10:47:58 +00:00
|
|
|
filename = dir_entries[i]->filename;
|
2010-03-08 11:19:52 +00:00
|
|
|
new_dst = path_append(dst, filename);
|
|
|
|
new_src = path_append(src, filename);
|
|
|
|
|
|
|
|
if (S_ISDIR(dir_entries[i]->a.perm)) {
|
|
|
|
if (strcmp(filename, ".") == 0 ||
|
|
|
|
strcmp(filename, "..") == 0)
|
|
|
|
continue;
|
|
|
|
if (download_dir_internal(conn, new_src, new_dst,
|
2014-01-30 10:56:49 +00:00
|
|
|
depth + 1, &(dir_entries[i]->a), preserve_flag,
|
|
|
|
print_flag, resume_flag, fsync_flag) == -1)
|
2010-03-08 11:19:52 +00:00
|
|
|
ret = -1;
|
|
|
|
} else if (S_ISREG(dir_entries[i]->a.perm) ) {
|
|
|
|
if (do_download(conn, new_src, new_dst,
|
2014-01-30 10:56:49 +00:00
|
|
|
&(dir_entries[i]->a), preserve_flag,
|
|
|
|
resume_flag, fsync_flag) == -1) {
|
2010-03-08 11:19:52 +00:00
|
|
|
error("Download of file %s to %s failed",
|
|
|
|
new_src, new_dst);
|
|
|
|
ret = -1;
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
logit("%s: not a regular file\n", new_src);
|
|
|
|
|
|
|
|
}
|
2018-08-28 10:47:58 +00:00
|
|
|
free(new_dst);
|
|
|
|
free(new_src);
|
2010-03-08 11:19:52 +00:00
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
if (preserve_flag) {
|
2010-03-08 11:19:52 +00:00
|
|
|
if (dirattrib->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
|
|
|
|
struct timeval tv[2];
|
|
|
|
tv[0].tv_sec = dirattrib->atime;
|
|
|
|
tv[1].tv_sec = dirattrib->mtime;
|
|
|
|
tv[0].tv_usec = tv[1].tv_usec = 0;
|
|
|
|
if (utimes(dst, tv) == -1)
|
|
|
|
error("Can't set times on \"%s\": %s",
|
|
|
|
dst, strerror(errno));
|
|
|
|
} else
|
|
|
|
debug("Server did not send times for directory "
|
|
|
|
"\"%s\"", dst);
|
|
|
|
}
|
|
|
|
|
2021-04-23 19:10:38 +00:00
|
|
|
if (mode != tmpmode && chmod(dst, mode) == -1)
|
|
|
|
error("Can't set final mode on \"%s\": %s", dst,
|
|
|
|
strerror(errno));
|
|
|
|
|
2010-03-08 11:19:52 +00:00
|
|
|
free_sftp_dirents(dir_entries);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
download_dir(struct sftp_conn *conn, const char *src, const char *dst,
|
|
|
|
Attrib *dirattrib, int preserve_flag, int print_flag, int resume_flag,
|
|
|
|
int fsync_flag)
|
2010-03-08 11:19:52 +00:00
|
|
|
{
|
|
|
|
char *src_canon;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if ((src_canon = do_realpath(conn, src)) == NULL) {
|
2014-01-30 10:56:49 +00:00
|
|
|
error("Unable to canonicalize path \"%s\"", src);
|
2010-03-08 11:19:52 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
ret = download_dir_internal(conn, src_canon, dst, 0,
|
|
|
|
dirattrib, preserve_flag, print_flag, resume_flag, fsync_flag);
|
2013-09-18 17:27:38 +00:00
|
|
|
free(src_canon);
|
2010-03-08 11:19:52 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2001-05-04 03:57:05 +00:00
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
do_upload(struct sftp_conn *conn, const char *local_path,
|
|
|
|
const char *remote_path, int preserve_flag, int resume, int fsync_flag)
|
2001-05-04 03:57:05 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
int r, local_fd;
|
|
|
|
u_int status = SSH2_FX_OK;
|
|
|
|
u_int id;
|
|
|
|
u_char type;
|
2013-09-18 17:27:38 +00:00
|
|
|
off_t offset, progress_counter;
|
2015-07-02 13:15:34 +00:00
|
|
|
u_char *handle, *data;
|
|
|
|
struct sshbuf *msg;
|
2001-05-04 03:57:05 +00:00
|
|
|
struct stat sb;
|
2015-01-05 16:09:55 +00:00
|
|
|
Attrib a, *c = NULL;
|
2002-03-18 09:55:03 +00:00
|
|
|
u_int32_t startid;
|
|
|
|
u_int32_t ackid;
|
|
|
|
struct outstanding_ack {
|
|
|
|
u_int id;
|
|
|
|
u_int len;
|
2008-07-23 09:28:49 +00:00
|
|
|
off_t offset;
|
2002-06-23 14:01:54 +00:00
|
|
|
TAILQ_ENTRY(outstanding_ack) tq;
|
2002-03-18 09:55:03 +00:00
|
|
|
};
|
|
|
|
TAILQ_HEAD(ackhead, outstanding_ack) acks;
|
2004-10-28 16:03:53 +00:00
|
|
|
struct outstanding_ack *ack = NULL;
|
2015-07-02 13:15:34 +00:00
|
|
|
size_t handle_len;
|
2002-03-18 09:55:03 +00:00
|
|
|
|
|
|
|
TAILQ_INIT(&acks);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if ((local_fd = open(local_path, O_RDONLY, 0)) == -1) {
|
|
|
|
error("Couldn't open local file \"%s\" for reading: %s",
|
|
|
|
local_path, strerror(errno));
|
|
|
|
return(-1);
|
|
|
|
}
|
|
|
|
if (fstat(local_fd, &sb) == -1) {
|
|
|
|
error("Couldn't fstat local file \"%s\": %s",
|
|
|
|
local_path, strerror(errno));
|
|
|
|
close(local_fd);
|
|
|
|
return(-1);
|
|
|
|
}
|
2003-04-23 16:53:02 +00:00
|
|
|
if (!S_ISREG(sb.st_mode)) {
|
|
|
|
error("%s is not a regular file", local_path);
|
|
|
|
close(local_fd);
|
|
|
|
return(-1);
|
|
|
|
}
|
2001-05-04 03:57:05 +00:00
|
|
|
stat_to_attrib(&sb, &a);
|
|
|
|
|
|
|
|
a.flags &= ~SSH2_FILEXFER_ATTR_SIZE;
|
|
|
|
a.flags &= ~SSH2_FILEXFER_ATTR_UIDGID;
|
|
|
|
a.perm &= 0777;
|
2014-01-30 10:56:49 +00:00
|
|
|
if (!preserve_flag)
|
2001-05-04 03:57:05 +00:00
|
|
|
a.flags &= ~SSH2_FILEXFER_ATTR_ACMODTIME;
|
|
|
|
|
2015-01-05 16:09:55 +00:00
|
|
|
if (resume) {
|
|
|
|
/* Get remote file size if it exists */
|
|
|
|
if ((c = do_stat(conn, remote_path, 0)) == NULL) {
|
2017-01-31 12:29:48 +00:00
|
|
|
close(local_fd);
|
2015-01-05 16:09:55 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((off_t)c->size >= sb.st_size) {
|
|
|
|
error("destination file bigger or same size as "
|
|
|
|
"source file");
|
|
|
|
close(local_fd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (lseek(local_fd, (off_t)c->size, SEEK_SET) == -1) {
|
|
|
|
close(local_fd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((msg = sshbuf_new()) == NULL)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("sshbuf_new failed");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
/* Send open request */
|
2002-03-18 09:55:03 +00:00
|
|
|
id = conn->msg_id++;
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_OPEN)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, id)) != 0 ||
|
|
|
|
(r = sshbuf_put_cstring(msg, remote_path)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, SSH2_FXF_WRITE|SSH2_FXF_CREAT|
|
|
|
|
(resume ? SSH2_FXF_APPEND : SSH2_FXF_TRUNC))) != 0 ||
|
|
|
|
(r = encode_attrib(msg, &a)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2002-06-29 11:34:13 +00:00
|
|
|
debug3("Sent message SSH2_FXP_OPEN I:%u P:%s", id, remote_path);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_reset(msg);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2011-02-17 11:47:40 +00:00
|
|
|
handle = get_handle(conn, id, &handle_len,
|
2010-03-08 11:19:52 +00:00
|
|
|
"remote open(\"%s\")", remote_path);
|
2001-05-04 03:57:05 +00:00
|
|
|
if (handle == NULL) {
|
|
|
|
close(local_fd);
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2008-07-23 09:28:49 +00:00
|
|
|
return -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
startid = ackid = id + 1;
|
|
|
|
data = xmalloc(conn->transfer_buflen);
|
|
|
|
|
2001-05-04 03:57:05 +00:00
|
|
|
/* Read from local and write to remote */
|
2015-01-05 16:09:55 +00:00
|
|
|
offset = progress_counter = (resume ? c->size : 0);
|
2003-04-23 16:53:02 +00:00
|
|
|
if (showprogress)
|
2013-09-18 17:27:38 +00:00
|
|
|
start_progress_meter(local_path, sb.st_size,
|
|
|
|
&progress_counter);
|
2003-04-23 16:53:02 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
for (;;) {
|
2001-05-04 03:57:05 +00:00
|
|
|
int len;
|
|
|
|
|
|
|
|
/*
|
2004-10-28 16:03:53 +00:00
|
|
|
* Can't use atomicio here because it returns 0 on EOF,
|
|
|
|
* thus losing the last block of the file.
|
|
|
|
* Simulate an EOF on interrupt, allowing ACKs from the
|
|
|
|
* server to drain.
|
2001-05-04 03:57:05 +00:00
|
|
|
*/
|
2008-07-23 09:28:49 +00:00
|
|
|
if (interrupted || status != SSH2_FX_OK)
|
2004-10-28 16:03:53 +00:00
|
|
|
len = 0;
|
|
|
|
else do
|
2002-03-18 09:55:03 +00:00
|
|
|
len = read(local_fd, data, conn->transfer_buflen);
|
2008-07-23 09:33:08 +00:00
|
|
|
while ((len == -1) &&
|
|
|
|
(errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
|
2001-05-04 03:57:05 +00:00
|
|
|
|
|
|
|
if (len == -1)
|
|
|
|
fatal("Couldn't read from \"%s\": %s", local_path,
|
|
|
|
strerror(errno));
|
2002-03-18 09:55:03 +00:00
|
|
|
|
|
|
|
if (len != 0) {
|
2013-11-11 09:13:37 +00:00
|
|
|
ack = xcalloc(1, sizeof(*ack));
|
2002-03-18 09:55:03 +00:00
|
|
|
ack->id = ++id;
|
|
|
|
ack->offset = offset;
|
|
|
|
ack->len = len;
|
|
|
|
TAILQ_INSERT_TAIL(&acks, ack, tq);
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_reset(msg);
|
|
|
|
if ((r = sshbuf_put_u8(msg, SSH2_FXP_WRITE)) != 0 ||
|
|
|
|
(r = sshbuf_put_u32(msg, ack->id)) != 0 ||
|
|
|
|
(r = sshbuf_put_string(msg, handle,
|
|
|
|
handle_len)) != 0 ||
|
|
|
|
(r = sshbuf_put_u64(msg, offset)) != 0 ||
|
|
|
|
(r = sshbuf_put_string(msg, data, len)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "compose");
|
2015-07-02 13:15:34 +00:00
|
|
|
send_msg(conn, msg);
|
2002-06-29 11:34:13 +00:00
|
|
|
debug3("Sent message SSH2_FXP_WRITE I:%u O:%llu S:%u",
|
2003-04-23 16:53:02 +00:00
|
|
|
id, (unsigned long long)offset, len);
|
2002-03-18 09:55:03 +00:00
|
|
|
} else if (TAILQ_FIRST(&acks) == NULL)
|
2001-05-04 03:57:05 +00:00
|
|
|
break;
|
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
if (ack == NULL)
|
|
|
|
fatal("Unexpected ACK %u", id);
|
|
|
|
|
2002-06-23 14:01:54 +00:00
|
|
|
if (id == startid || len == 0 ||
|
2002-03-18 09:55:03 +00:00
|
|
|
id - ackid >= conn->num_requests) {
|
2015-07-02 13:15:34 +00:00
|
|
|
u_int rid;
|
2002-06-23 14:01:54 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_reset(msg);
|
|
|
|
get_msg(conn, msg);
|
|
|
|
if ((r = sshbuf_get_u8(msg, &type)) != 0 ||
|
|
|
|
(r = sshbuf_get_u32(msg, &rid)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse");
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2002-03-18 09:55:03 +00:00
|
|
|
if (type != SSH2_FXP_STATUS)
|
|
|
|
fatal("Expected SSH2_FXP_STATUS(%d) packet, "
|
|
|
|
"got %d", SSH2_FXP_STATUS, type);
|
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
if ((r = sshbuf_get_u32(msg, &status)) != 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_fr(r, "parse status");
|
2015-07-02 13:15:34 +00:00
|
|
|
debug3("SSH2_FXP_STATUS %u", status);
|
2002-03-18 09:55:03 +00:00
|
|
|
|
|
|
|
/* Find the request in our queue */
|
2005-06-05 15:41:57 +00:00
|
|
|
for (ack = TAILQ_FIRST(&acks);
|
2015-07-02 13:15:34 +00:00
|
|
|
ack != NULL && ack->id != rid;
|
2002-03-18 09:55:03 +00:00
|
|
|
ack = TAILQ_NEXT(ack, tq))
|
|
|
|
;
|
|
|
|
if (ack == NULL)
|
2015-07-02 13:15:34 +00:00
|
|
|
fatal("Can't find request for ID %u", rid);
|
2002-03-18 09:55:03 +00:00
|
|
|
TAILQ_REMOVE(&acks, ack, tq);
|
2008-07-23 09:28:49 +00:00
|
|
|
debug3("In write loop, ack for %u %u bytes at %lld",
|
|
|
|
ack->id, ack->len, (long long)ack->offset);
|
2002-03-18 09:55:03 +00:00
|
|
|
++ackid;
|
2013-09-18 17:27:38 +00:00
|
|
|
progress_counter += ack->len;
|
|
|
|
free(ack);
|
2002-03-18 09:55:03 +00:00
|
|
|
}
|
2001-05-04 03:57:05 +00:00
|
|
|
offset += len;
|
2008-07-23 09:28:49 +00:00
|
|
|
if (offset < 0)
|
2021-04-23 19:10:38 +00:00
|
|
|
fatal_f("offset < 0");
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
2015-07-02 13:15:34 +00:00
|
|
|
sshbuf_free(msg);
|
2008-07-23 09:28:49 +00:00
|
|
|
|
2003-04-23 16:53:02 +00:00
|
|
|
if (showprogress)
|
|
|
|
stop_progress_meter();
|
2013-09-18 17:27:38 +00:00
|
|
|
free(data);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2008-07-23 09:28:49 +00:00
|
|
|
if (status != SSH2_FX_OK) {
|
|
|
|
error("Couldn't write to remote file \"%s\": %s",
|
|
|
|
remote_path, fx2txt(status));
|
2015-07-02 13:15:34 +00:00
|
|
|
status = SSH2_FX_FAILURE;
|
2008-07-23 09:28:49 +00:00
|
|
|
}
|
|
|
|
|
2001-05-04 03:57:05 +00:00
|
|
|
if (close(local_fd) == -1) {
|
|
|
|
error("Couldn't close local file \"%s\": %s", local_path,
|
|
|
|
strerror(errno));
|
2015-07-02 13:15:34 +00:00
|
|
|
status = SSH2_FX_FAILURE;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Override umask and utimes if asked */
|
2014-01-30 10:56:49 +00:00
|
|
|
if (preserve_flag)
|
2002-03-18 09:55:03 +00:00
|
|
|
do_fsetstat(conn, handle, handle_len, &a);
|
2001-05-04 03:57:05 +00:00
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
if (fsync_flag)
|
|
|
|
(void)do_fsync(conn, handle, handle_len);
|
|
|
|
|
2016-03-10 20:10:25 +00:00
|
|
|
if (do_close(conn, handle, handle_len) != 0)
|
2015-07-02 13:15:34 +00:00
|
|
|
status = SSH2_FX_FAILURE;
|
|
|
|
|
2013-09-18 17:27:38 +00:00
|
|
|
free(handle);
|
2008-07-23 09:28:49 +00:00
|
|
|
|
2015-07-02 13:15:34 +00:00
|
|
|
return status == SSH2_FX_OK ? 0 : -1;
|
2001-05-04 03:57:05 +00:00
|
|
|
}
|
2010-03-08 11:19:52 +00:00
|
|
|
|
|
|
|
static int
|
2015-07-02 13:15:34 +00:00
|
|
|
upload_dir_internal(struct sftp_conn *conn, const char *src, const char *dst,
|
|
|
|
int depth, int preserve_flag, int print_flag, int resume, int fsync_flag)
|
2010-03-08 11:19:52 +00:00
|
|
|
{
|
2015-07-02 13:15:34 +00:00
|
|
|
int ret = 0;
|
2010-03-08 11:19:52 +00:00
|
|
|
DIR *dirp;
|
|
|
|
struct dirent *dp;
|
2018-08-28 10:47:58 +00:00
|
|
|
char *filename, *new_src = NULL, *new_dst = NULL;
|
2010-03-08 11:19:52 +00:00
|
|
|
struct stat sb;
|
2016-03-10 20:10:25 +00:00
|
|
|
Attrib a, *dirattrib;
|
2021-04-23 19:10:38 +00:00
|
|
|
u_int32_t saved_perm;
|
2010-03-08 11:19:52 +00:00
|
|
|
|
|
|
|
if (depth >= MAX_DIR_DEPTH) {
|
|
|
|
error("Maximum directory depth exceeded: %d levels", depth);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (stat(src, &sb) == -1) {
|
|
|
|
error("Couldn't stat directory \"%s\": %s",
|
|
|
|
src, strerror(errno));
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (!S_ISDIR(sb.st_mode)) {
|
|
|
|
error("\"%s\" is not a directory", src);
|
|
|
|
return -1;
|
|
|
|
}
|
2014-01-30 10:56:49 +00:00
|
|
|
if (print_flag)
|
2017-01-31 12:29:48 +00:00
|
|
|
mprintf("Entering %s\n", src);
|
2010-03-08 11:19:52 +00:00
|
|
|
|
|
|
|
attrib_clear(&a);
|
|
|
|
stat_to_attrib(&sb, &a);
|
|
|
|
a.flags &= ~SSH2_FILEXFER_ATTR_SIZE;
|
|
|
|
a.flags &= ~SSH2_FILEXFER_ATTR_UIDGID;
|
|
|
|
a.perm &= 01777;
|
2014-01-30 10:56:49 +00:00
|
|
|
if (!preserve_flag)
|
2010-03-08 11:19:52 +00:00
|
|
|
a.flags &= ~SSH2_FILEXFER_ATTR_ACMODTIME;
|
2013-09-18 17:27:38 +00:00
|
|
|
|
2010-03-08 11:19:52 +00:00
|
|
|
/*
|
2016-03-10 20:10:25 +00:00
|
|
|
* sftp lacks a portable status value to match errno EEXIST,
|
|
|
|
* so if we get a failure back then we must check whether
|
2021-04-23 19:10:38 +00:00
|
|
|
* the path already existed and is a directory. Ensure we can
|
|
|
|
* write to the directory we create for the duration of the transfer.
|
2010-03-08 11:19:52 +00:00
|
|
|
*/
|
2021-04-23 19:10:38 +00:00
|
|
|
saved_perm = a.perm;
|
|
|
|
a.perm |= (S_IWUSR|S_IXUSR);
|
2016-03-10 20:10:25 +00:00
|
|
|
if (do_mkdir(conn, dst, &a, 0) != 0) {
|
|
|
|
if ((dirattrib = do_stat(conn, dst, 0)) == NULL)
|
2010-03-08 11:19:52 +00:00
|
|
|
return -1;
|
2016-03-10 20:10:25 +00:00
|
|
|
if (!S_ISDIR(dirattrib->perm)) {
|
|
|
|
error("\"%s\" exists but is not a directory", dst);
|
2010-03-08 11:19:52 +00:00
|
|
|
return -1;
|
2016-03-10 20:10:25 +00:00
|
|
|
}
|
2010-03-08 11:19:52 +00:00
|
|
|
}
|
2021-04-23 19:10:38 +00:00
|
|
|
a.perm = saved_perm;
|
2010-03-08 11:19:52 +00:00
|
|
|
|
|
|
|
if ((dirp = opendir(src)) == NULL) {
|
|
|
|
error("Failed to open dir \"%s\": %s", src, strerror(errno));
|
|
|
|
return -1;
|
|
|
|
}
|
2013-09-18 17:27:38 +00:00
|
|
|
|
2010-03-08 11:19:52 +00:00
|
|
|
while (((dp = readdir(dirp)) != NULL) && !interrupted) {
|
|
|
|
if (dp->d_ino == 0)
|
|
|
|
continue;
|
2018-08-28 10:47:58 +00:00
|
|
|
free(new_dst);
|
|
|
|
free(new_src);
|
2010-03-08 11:19:52 +00:00
|
|
|
filename = dp->d_name;
|
|
|
|
new_dst = path_append(dst, filename);
|
|
|
|
new_src = path_append(src, filename);
|
|
|
|
|
|
|
|
if (lstat(new_src, &sb) == -1) {
|
|
|
|
logit("%s: lstat failed: %s", filename,
|
|
|
|
strerror(errno));
|
|
|
|
ret = -1;
|
|
|
|
} else if (S_ISDIR(sb.st_mode)) {
|
|
|
|
if (strcmp(filename, ".") == 0 ||
|
|
|
|
strcmp(filename, "..") == 0)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (upload_dir_internal(conn, new_src, new_dst,
|
2015-01-05 16:09:55 +00:00
|
|
|
depth + 1, preserve_flag, print_flag, resume,
|
2014-01-30 10:56:49 +00:00
|
|
|
fsync_flag) == -1)
|
2010-03-08 11:19:52 +00:00
|
|
|
ret = -1;
|
|
|
|
} else if (S_ISREG(sb.st_mode)) {
|
2014-01-30 10:56:49 +00:00
|
|
|
if (do_upload(conn, new_src, new_dst,
|
2015-01-05 16:09:55 +00:00
|
|
|
preserve_flag, resume, fsync_flag) == -1) {
|
2010-03-08 11:19:52 +00:00
|
|
|
error("Uploading of file %s to %s failed!",
|
|
|
|
new_src, new_dst);
|
|
|
|
ret = -1;
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
logit("%s: not a regular file\n", filename);
|
|
|
|
}
|
2018-08-28 10:47:58 +00:00
|
|
|
free(new_dst);
|
|
|
|
free(new_src);
|
2010-03-08 11:19:52 +00:00
|
|
|
|
|
|
|
do_setstat(conn, dst, &a);
|
|
|
|
|
|
|
|
(void) closedir(dirp);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2015-07-02 13:15:34 +00:00
|
|
|
upload_dir(struct sftp_conn *conn, const char *src, const char *dst,
|
|
|
|
int preserve_flag, int print_flag, int resume, int fsync_flag)
|
2010-03-08 11:19:52 +00:00
|
|
|
{
|
|
|
|
char *dst_canon;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if ((dst_canon = do_realpath(conn, dst)) == NULL) {
|
2014-01-30 10:56:49 +00:00
|
|
|
error("Unable to canonicalize path \"%s\"", dst);
|
2010-03-08 11:19:52 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2014-01-30 10:56:49 +00:00
|
|
|
ret = upload_dir_internal(conn, src, dst_canon, 0, preserve_flag,
|
2015-01-05 16:09:55 +00:00
|
|
|
print_flag, resume, fsync_flag);
|
2014-01-30 10:56:49 +00:00
|
|
|
|
2013-09-18 17:27:38 +00:00
|
|
|
free(dst_canon);
|
2010-03-08 11:19:52 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
char *
|
2015-07-02 13:15:34 +00:00
|
|
|
path_append(const char *p1, const char *p2)
|
2010-03-08 11:19:52 +00:00
|
|
|
{
|
|
|
|
char *ret;
|
|
|
|
size_t len = strlen(p1) + strlen(p2) + 2;
|
|
|
|
|
|
|
|
ret = xmalloc(len);
|
|
|
|
strlcpy(ret, p1, len);
|
|
|
|
if (p1[0] != '\0' && p1[strlen(p1) - 1] != '/')
|
|
|
|
strlcat(ret, "/", len);
|
|
|
|
strlcat(ret, p2, len);
|
|
|
|
|
|
|
|
return(ret);
|
|
|
|
}
|
|
|
|
|
2021-04-23 19:10:38 +00:00
|
|
|
char *
|
|
|
|
make_absolute(char *p, const char *pwd)
|
|
|
|
{
|
|
|
|
char *abs_str;
|
|
|
|
|
|
|
|
/* Derelativise */
|
|
|
|
if (p && !path_absolute(p)) {
|
|
|
|
abs_str = path_append(pwd, p);
|
|
|
|
free(p);
|
|
|
|
return(abs_str);
|
|
|
|
} else
|
|
|
|
return(p);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
remote_is_dir(struct sftp_conn *conn, const char *path)
|
|
|
|
{
|
|
|
|
Attrib *a;
|
|
|
|
|
|
|
|
/* XXX: report errors? */
|
|
|
|
if ((a = do_stat(conn, path, 1)) == NULL)
|
|
|
|
return(0);
|
|
|
|
if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
|
|
|
|
return(0);
|
|
|
|
return(S_ISDIR(a->perm));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
local_is_dir(const char *path)
|
|
|
|
{
|
|
|
|
struct stat sb;
|
|
|
|
|
|
|
|
/* XXX: report errors? */
|
|
|
|
if (stat(path, &sb) == -1)
|
|
|
|
return(0);
|
|
|
|
|
|
|
|
return(S_ISDIR(sb.st_mode));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
|
|
|
|
int
|
|
|
|
globpath_is_dir(const char *pathname)
|
|
|
|
{
|
|
|
|
size_t l = strlen(pathname);
|
|
|
|
|
|
|
|
return l > 0 && pathname[l - 1] == '/';
|
|
|
|
}
|
|
|
|
|