12-20-2009
Well, with -O you'd have lost the permissions anyways, as those can only be bound to a file, not to a stream. So IMO your best chance would be to extract the 2 files, move them to a machine you administer, and then create a new archive from them after you've corrected the permissions.
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LEARN ABOUT NETBSD
strmode
STRMODE(3) BSD Library Functions Manual STRMODE(3)
NAME
strmode -- convert inode status information into a symbolic string
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <unistd.h>
void
strmode(mode_t mode, char *bp);
DESCRIPTION
The strmode() function converts a file mode (the type and permission information associated with an inode, see stat(2)) into a symbolic
string which is stored in the location referenced by bp. This stored string is eleven characters in length plus a trailing nul byte.
The first character is the inode type, and will be one of the following:
- regular file
a regular file in archive state 1
A regular file in archive state 2
b block special
c character special
d directory
l symbolic link
p fifo
s socket
w whiteout
? unknown inode type
The next nine characters encode three sets of permissions, in three characters each. The first three characters are the permissions for the
owner of the file, the second three for the group the file belongs to, and the third for the ``other'', or default, set of users.
Permission checking is done as specifically as possible. If read permission is denied to the owner of a file in the first set of permis-
sions, the owner of the file will not be able to read the file. This is true even if the owner is in the file's group and the group permis-
sions allow reading or the ``other'' permissions allow reading.
If the first character of the three character set is an ``r'', the file is readable for that set of users; if a dash ``-'', it is not read-
able.
If the second character of the three character set is a ``w'', the file is writable for that set of users; if a dash ``-'', it is not
writable.
The third character is the first of the following characters that apply:
S If the character is part of the owner permissions and the file is not executable or the directory is not searchable by the owner, and
the set-user-id bit is set.
S If the character is part of the group permissions and the file is not executable or the directory is not searchable by the group, and
the set-group-id bit is set.
T If the character is part of the other permissions and the file is not executable or the directory is not searchable by others, and the
``sticky'' (S_ISVTX) bit is set.
s If the character is part of the owner permissions and the file is executable or the directory searchable by the owner, and the set-
user-id bit is set.
s If the character is part of the group permissions and the file is executable or the directory searchable by the group, and the set-
group-id bit is set.
t If the character is part of the other permissions and the file is executable or the directory searchable by others, and the ``sticky''
(S_ISVTX) bit is set.
x The file is executable or the directory is searchable.
- None of the above apply.
The last character is a plus sign ``+'' if there are any alternative or additional access control methods associated with the inode, other-
wise it will be a space.
Archive state 1 and archive state 2 represent file system dependent archive state for a file. Most file systems do not retain file archive
state, and so will not report files in either archive state. msdosfs will report a file in archive state 1 if it has been archived more
recently than modified. Hierarchical storage systems may have multiple archive states for a file and may define archive states 1 and 2 as
appropriate.
SEE ALSO
chmod(1), find(1), stat(2), getmode(3), setmode(3)
HISTORY
The strmode() function first appeared in 4.4BSD.
BSD
July 28, 1994 BSD