On Thu, Nov 22, 2001 at 02:48:15PM -0500, Kevin Pilch-Bisson wrote: > Hi All, > > I'm a developer on the subversion project, and one of the things I'm > trying to do is make the files in the .svn administrative directory > read-only. > > In order to do that I have to play around with permissions on a bunch of > files. The problem I have run into is that if APR_OS_DEFAULT is is > passed to apr_file_open, the resulting permissions are the result of the > umask and APR_OS_DEFAULT. However, if apr_file_perms_set is used, the > umask doesn't get applied, and all my files end up being rwxrwxrwx. > > Any ideas on a way to retrieve the umask, so that I can reliably use > apr_file_perms_set to set file permissions to the users default > preference?
For the sake of clarity, what I am doing now is this:
apr_fileperms_t uperms = apr_unix_mode2perms (umask (0777));
apr_fileperms_t perms = (APR_UREAD | APR_UWRITE | APR_GREAD
| APR_GWRITE | APR_WREAD | APR_WWRITE)
& ~uperms;
status = apr_file_perms_set (full_dest_path->data, perms);
umask ( apr_unix_perms2mode(uperms));
I would like to be able to do that in a portable way, since neither
umask nor apr_unix_perms2mode are portable.
Something like:
apr_fileperms_t perms = apr_umask(APR_OS_DEFAULT)
status = apr_file_perms_set(full_dest_path->data, APR_OS_DEFAULT & ~perms);
apr_umask(perms);
Doing this would require implementing apr_umask, and changing APR_OS_DEFAULT
from 0xFFF to 0x777.
What do people think? I can write the patch for unix if people think
this approach is alright. If not I would love to hear suggestions.
--
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Kevin Pilch-Bisson http://www.pilch-bisson.net
"Historically speaking, the presences of wheels in Unix
has never precluded their reinvention." - Larry Wall
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