https://bugzilla.samba.org/show_bug.cgi?id=7070
Summary: Permission denied message with --fake-super and
permissionless directory
Product: rsync
Version: 3.0.6
Platform: x86
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P3
Component: core
AssignedTo: way...@samba.org
ReportedBy: joerg.som...@ateo.de
QAContact: rsync...@samba.org
Hi,
# id
uid=0(root) gid=0(root) groups=0(root)
# cd /tmp
# mkdir a
# : > a/1
# chmod 0 a
# ls -ld a
d--------- 2 root root 60 27. Jan 17:07 a
# ls a
1
# rsync -a --rsync-path='strace -o /tmp/rsync.st rsync --fake-super' a
jo...@localhost:/var/tmp
rsync: failed to read xattr user.rsync.%stat for "/var/tmp/a": Permission
denied (13)
rsync: failed to read xattr user.rsync.%stat for "/var/tmp/a": Permission
denied (13)
rsync: failed to read xattr user.rsync.%stat for "/var/tmp/a": Permission
denied (13)
rsync error: some files/attrs were not transferred (see previous errors) (code
23) at main.c(1057) [sender=3.0.6]
# ls -ld /var/tmp/a
d--------- 2 joerg users 4,0K 27. Jan 17:07 /var/tmp/a
From the strace:
lstat64("a", 0xbfe8e68c) = -1 ENOENT (No such file or directory)
mkdir("a", 0) = 0
lstat64("a", {st_mode=S_IFDIR, st_size=4096, ...}) = 0
lgetxattr("a", "user.rsync.%stat", 0xbfe8c318, 255) = -1 EACCES (Permission
denied)
…
lstat64("a", {st_mode=S_IFDIR, st_size=4096, ...}) = 0
lgetxattr("a", "user.rsync.%stat", 0xbfe8c0d8, 255) = -1 EACCES (Permission
denied)
…
chmod("a", 0700) = 0
lsetxattr("a", "user.rsync.%stat", "40000 0,0 0:0", 13, 0) = 0
I think the problem is, that rsync server creates the directory with the
permission of the client which does not mean that they are usable when
running with --fake-super. I found no way to make the server creates the
directories and files with other permission, but keeping the right
permissions in the extended attribute. When using --chmod=u+rX on the
server side, this changes also the permission in the attribute.
Bye, Jörg
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