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authorJeremy White <jwhite@codeweavers.com>2005-06-21 17:16:53 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-21 19:07:38 -0700
commit9769f4eb3fad2dd53a5d24c81ee5f7f05450742b (patch)
treef8847263d1f91e16a819a97314b497a7ca561f9c /fs/isofs/dir.c
parentf2966632a134e865db3c819346a1dc7d96e05309 (diff)
downloadop-kernel-dev-9769f4eb3fad2dd53a5d24c81ee5f7f05450742b.zip
op-kernel-dev-9769f4eb3fad2dd53a5d24c81ee5f7f05450742b.tar.gz
[PATCH] isofs: show hidden files, add granularity for assoc/hidden files flags
The current isofs treatment of hidden files is flawed in two ways. First, it does not provide sufficient granularity; it hides both 'hidden' files and 'associated' files (resource fork for Mac files). Second, the default behavior to completely strip hidden files, while an admirable implementation of the spec, is a poor choice given the real world use of hidden files as a poor mans copy protection scheme for MSDOS and Windows based systems. A longer description of this is available here: http://www.uwsg.iu.edu/hypermail/linux/kernel/0205.3/0267.html This patch was originally built after a few private conversations with Alan Cox; I shamefully failed to persist in seeing it go forward, I hope to make amends now. This patch introduces granularity by allowing explicit control for both hidden and associated files. It also reverses the default so that by default, hidden files are treated as regular files on the iso9660 file system. This allow Wine to process Windows CDs, including those that are hybrid Mac/Windows CDs properly and completely, without our having to go muck up peoples fstabs as we do now. (I have tested this with such a hybrid + hidden CD and have verified that this patch works as claimed). Signed-off-by: Jeremy White <jwhite@codeweavers.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/isofs/dir.c')
-rw-r--r--fs/isofs/dir.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index 6030956..7901ac9 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -193,12 +193,17 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
/* Handle everything else. Do name translation if there
is no Rock Ridge NM field. */
- if (sbi->s_unhide == 'n') {
- /* Do not report hidden or associated files */
- if (de->flags[-sbi->s_high_sierra] & 5) {
- filp->f_pos += de_len;
- continue;
- }
+
+ /*
+ * Do not report hidden files if so instructed, or associated
+ * files unless instructed to do so
+ */
+ if ((sbi->s_hide == 'y' &&
+ (de->flags[-sbi->s_high_sierra] & 1)) ||
+ (sbi->s_showassoc =='n' &&
+ (de->flags[-sbi->s_high_sierra] & 4))) {
+ filp->f_pos += de_len;
+ continue;
}
map = 1;
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