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- djm@cvs.openbsd.org 2008/03/23 12:54:01

Browse Source 
[sftp-client.c]
     prefer POSIX-style file renaming over filexfer rename behaviour if the
     server supports the posix-rename@openssh.com extension.
     Note that the old (filexfer) behaviour would refuse to clobber an
     existing file. Users who depended on this should adjust their sftp(1)
     usage.
     ok deraadt@ markus@
This commit is contained in:
Damien Miller 2008-03-27 10:59:57 +11:00
parent be71e2d972
commit 7a3e1d0bc9
2 changed files with 27 additions and 7 deletions
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10
ChangeLog
View File

@ -18,6 +18,14 @@
Repair the simple cases for msg_controllen where it should just be
CMSG_SIZE(sizeof(int)), not sizeof(buffer) which may be larger because
of alignment; ok kettenis hshoexer
- djm@cvs.openbsd.org 2008/03/23 12:54:01
[sftp-client.c]
prefer POSIX-style file renaming over filexfer rename behaviour if the
server supports the posix-rename@openssh.com extension.
Note that the old (filexfer) behaviour would refuse to clobber an
existing file. Users who depended on this should adjust their sftp(1)
usage.
ok deraadt@ markus@
20080315
- (djm) [regress/test-exec.sh] Quote putty-related variables in case they are
@ -3786,4 +3794,4 @@
OpenServer 6 and add osr5bigcrypt support so when someone migrates
passwords between UnixWare and OpenServer they will still work. OK dtucker@
$Id: ChangeLog,v 1.4884 2008/03/26 23:54:44 djm Exp $
$Id: ChangeLog,v 1.4885 2008/03/26 23:59:57 djm Exp $

24
sftp-client.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sftp-client.c,v 1.80 2008/01/21 19:20:17 djm Exp $ */
/* $OpenBSD: sftp-client.c,v 1.81 2008/03/23 12:54:01 djm Exp $ */
/*
* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
*
@ -65,6 +65,8 @@ struct sftp_conn {
u_int num_requests;
u_int version;
u_int msg_id;
#define SFTP_EXT_POSIX_RENAME 1
u_int exts;
};
static void
@ -239,7 +241,7 @@ get_decode_stat(int fd, u_int expected_id, int quiet)
struct sftp_conn *
do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests)
{
u_int type;
u_int type, exts = 0;
int version;
Buffer msg;
struct sftp_conn *ret;
@ -270,6 +272,8 @@ do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests)
char *value = buffer_get_string(&msg, NULL);
debug2("Init extension: \"%s\"", name);
if (strcmp(name, "posix-rename@openssh.com") == 0)
exts |= SFTP_EXT_POSIX_RENAME;
xfree(name);
xfree(value);
}
@ -283,6 +287,7 @@ do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests)
ret->num_requests = num_requests;
ret->version = version;
ret->msg_id = 1;
ret->exts = exts;
/* Some filexfer v.0 servers don't support large packets */
if (version == 0)
@ -639,13 +644,20 @@ do_rename(struct sftp_conn *conn, char *oldpath, char *newpath)
/* Send rename request */
id = conn->msg_id++;
buffer_put_char(&msg, SSH2_FXP_RENAME);
buffer_put_int(&msg, id);
if ((conn->exts & SFTP_EXT_POSIX_RENAME)) {
buffer_put_char(&msg, SSH2_FXP_EXTENDED);
buffer_put_int(&msg, id);
buffer_put_cstring(&msg, "posix-rename@openssh.com");
} else {
buffer_put_char(&msg, SSH2_FXP_RENAME);
buffer_put_int(&msg, id);
}
buffer_put_cstring(&msg, oldpath);
buffer_put_cstring(&msg, newpath);
send_msg(conn->fd_out, &msg);
debug3("Sent message SSH2_FXP_RENAME \"%s\" -> \"%s\"", oldpath,
newpath);
debug3("Sent message %s \"%s\" -> \"%s\"",
(conn->exts & SFTP_EXT_POSIX_RENAME) ? "posix-rename@openssh.com" :
"SSH2_FXP_RENAME", oldpath, newpath);
buffer_free(&msg);
status = get_status(conn->fd_in, id);