[Bug 14183] New: rsync fails transferring only attributes for file without write permission
https://bugzilla.samba.org/show_bug.cgi?id=14183
Bug ID: 14183
Summary: rsync fails transferring only attributes for file
without write permission
Product: rsync
Version: 3.1.3
Hardware: x64
OS: Mac OS X
Status: NEW
Severity: normal
Priority: P5
Component: core
Assignee: wa...@opencoder.net
Reporter: bugzilla.samba@edp.org
QA Contact: rsync...@samba.org
When a file’s extended attributes have changed but its contents have not and
the user does not have write permission for the source file (irrespective of
the destination file permissions), rsync fails with a permission error from
lsetxattr.
Using rsync 3.1.3 on macOS 10.14.6, the output of these commands:
cd /var/tmp
mkdir stage
mkdir stage/{source,destination}
touch stage/source/foo
rsync -a --xattrs stage/source/ stage/destination/
xattr -w abc def stage/source/foo
chmod ugo-w stage/source/foo
rsync -a --xattrs stage/source/ stage/destination/
is:
rsync: rsync_xal_set:
lsetxattr("/private/var/tmp/stage/destination/foo","abc") failed: Permission
denied (13)
rsync error: some files/attrs were not transferred (see previous errors)
(code 23) at main.c(1189) [sender=3.1.3]
Note that if "echo ghi >stage/source/foo" is inserted after the first rsync,
the second rsync is perfectly happy to update the file, including the extended
attributes. Only when the extended attributes but not the contents are being
updated does rsync encounter the permissions problem.
These commands demonstrate the problem with both sides local, but it occurs
with a remote side as well.
This problem is not evident in the rsync 2.6.9 distributed by Apple with macOS.
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Segmentation fault using rsync client on Android device
I've compiled rsync for my rooted Android (armeabi-v7a, 32-bit) device using these instructions: ``` clone_or_update rsync master git://git.samba.org/rsync.git cd rsync ./prepare-source ./configure \ --prefix=$INSTALL_ROOT/rsync \ --host=$AUTOCONF_PLATFORM \ CFLAGS="$CFLAGS -static" make -j8 && make install cd - ``` Best place for instructions to build I could find were here: https://stackoverflow.com/a/18032833/157971 I didn't get any compiler or linker errors. It seemed to work. I copied the `bin/rsync` executable to the device in the `/data` directory. I then executed this command: ``` ./rsync - --stats --progress -rdt rsync://192.168.1.205:12000 ``` I get this output: ``` opening tcp connection to 192.168.1.205 port 12000 Connected to 192.168.1.205 (192.168.1.205) Segmentation fault ``` Not much to go on. I tried running the same command via rsync in cygwin and it worked fine: ``` FILE_STRUCT_LEN=24, EXTRA_LEN=4 opening tcp connection to 192.168.1.205 port 12000 Connected to 192.168.1.205 (192.168.1.205) msg checking charset: UTF-8 sending daemon args: --server --sender -tre.iLsfxC . / (5 args) ziosk Ziosk Content Files ``` Can anyone help me understand why rsync is crashing on Android? Note that I compiled rsync using the Android NDK (r20). I set up the environment (CC, LD, etc) to point to the correct toolchain in the NDK. It's how I build all of my third party libraries as well, so I know at least as far as the environment goes, it's all set up correctly. Are there dependencies missing that could cause this problem? I did not provide any dependencies to rsync when I compiled it. Thanks in advance for any help. I'm stuck. -- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html
