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Dear Bob,
thank you for the hints
I tried out, what you suggested.
here are the results:
Am 30.12.2010 04:04, schrieb Bob Proulx:
> type cp
> Martin Lorenz wrote:
>> > what I found is really strange:
>> > when copying a file (no matter which) the copy gets zero permissions.
> That is very strange. And I feel must be in your personal
> environment. If it were in the system then I think your system would
> have massive failures and would exhibit other problems.
>
> Are you sure you are getting the system cp and not an alias or
> wrapper?
>
> $ type cp
> cp is /bin/cp
>
as user:
m...@vs152058:~$ type cp
cp is aliased to `cp -i'
as root:
r...@vs152058:~# type cp
cp is /bin/cp
> Try running in a clean environment to see if it is an environment
> variable. 'env -i' will initialize an empty environment.
>
> $ umask
> 0002
>
r...@vs152058:~# (
> env -i
> umask
> )
0022
> $ date -R > testfile1
> $ ls -ldog testfile1
> -rw-rw-r-- 1 32 Dec 29 20:00 testfile1
>
> $ rm -f testfile2
> $ env -i cp testfile1 testfile2
> $ ls -ldog testfile2
> -rw-rw-r-- 1 32 Dec 29 20:00 testfile2
>
r...@vs152058:~# (
> env -i
> date -R > testfile1
> ls -ldog testfile1
> echo
> rm -f testfile2
> echo
> cp testfile1 testfile2
> ls -ldog testfile2
> )
- -r-Sr-x--- 1 32 30. Dez 20:22 testfile1
- ---------- 1 32 30. Dez 20:22 testfile2
> If that still shows a problem then look deeper with strace.
>
> $ rm -f testfile2
> $ strace -v -e trace=file -o /tmp/cp.strace.out cp testfile1 testfile2
>
> Then look through the cp.strace.out file to see what it is doing. I
> expect to see something like this:
>
> open("testfile1", O_RDONLY) = 3
> open("testfile2", O_WRONLY|O_TRUNC) = 5
>
stat64("testfile2", 0xbfffd7b0) = -1 ENOENT (No such file or
directory)
stat64("testfile1", {st_dev=makedev(144, 109), st_ino=37590572,
st_mode=S_IFREG|S_ISUID|0450, st_nlink=1, st_uid=0, st_gid=0,
st_blksize=4096, st_blocks=8, st_size=32, st_atime=2010/12/30-20:22:29,
st_mtime=2010/12/30-20:22:29, st_ctime=2010/12/30-20:22:29}) = 0
stat64("testfile2", 0xbfffd624) = -1 ENOENT (No such file or
directory)
open("testfile1", O_RDONLY|O_LARGEFILE) = 3
open("testfile2", O_WRONLY|O_CREAT|O_EXCL|O_LARGEFILE, 0) = 4
does this tell you something?
thank you for your help
regards
martin
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