upstream: print explicit "not modified" message if a file was

requested for resumed download but was considered already complete.

bz#2978 ok dtucker

OpenBSD-Commit-ID: f32084b26a662f16215ee4ca4a403d67e49ab986
This commit is contained in:
djm@openbsd.org 2019-07-12 03:56:21 +00:00 committed by Damien Miller
parent b9b0f2ac96
commit a0876bd994

View File

@ -1,4 +1,4 @@
/* $OpenBSD: sftp-client.c,v 1.133 2019/01/24 16:52:17 dtucker Exp $ */ /* $OpenBSD: sftp-client.c,v 1.134 2019/07/12 03:56:21 djm Exp $ */
/* /*
* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
* *
@ -1203,7 +1203,7 @@ do_download(struct sftp_conn *conn, const char *remote_path,
struct sshbuf *msg; struct sshbuf *msg;
u_char *handle; u_char *handle;
int local_fd = -1, write_error; int local_fd = -1, write_error;
int read_error, write_errno, reordered = 0, r; int read_error, write_errno, lmodified = 0, reordered = 0, r;
u_int64_t offset = 0, size, highwater; u_int64_t offset = 0, size, highwater;
u_int mode, id, buflen, num_req, max_req, status = SSH2_FX_OK; u_int mode, id, buflen, num_req, max_req, status = SSH2_FX_OK;
off_t progress_counter; off_t progress_counter;
@ -1373,6 +1373,7 @@ do_download(struct sftp_conn *conn, const char *remote_path,
if (len > req->len) if (len > req->len)
fatal("Received more data than asked for " fatal("Received more data than asked for "
"%zu > %zu", len, req->len); "%zu > %zu", len, req->len);
lmodified = 1;
if ((lseek(local_fd, req->offset, SEEK_SET) == -1 || if ((lseek(local_fd, req->offset, SEEK_SET) == -1 ||
atomicio(vwrite, local_fd, data, len) != len) && atomicio(vwrite, local_fd, data, len) != len) &&
!write_error) { !write_error) {
@ -1476,7 +1477,9 @@ do_download(struct sftp_conn *conn, const char *remote_path,
error("Can't set times on \"%s\": %s", error("Can't set times on \"%s\": %s",
local_path, strerror(errno)); local_path, strerror(errno));
} }
if (fsync_flag) { if (resume_flag && !lmodified)
logit("File \"%s\" was not modified", local_path);
else if (fsync_flag) {
debug("syncing \"%s\"", local_path); debug("syncing \"%s\"", local_path);
if (fsync(local_fd) == -1) if (fsync(local_fd) == -1)
error("Couldn't sync file \"%s\": %s", error("Couldn't sync file \"%s\": %s",