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* NEWS, libmisc/copydir.c: When a hardlink is detected, the

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original hardlink should not be removed.
This commit is contained in:
nekral-guest 2010-03-30 23:14:04 +00:00
parent dc0947da78
commit c3689fa60b
3 changed files with 15 additions and 13 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2010-03-31 Nicolas François <nicolas.francois@centraliens.net>
* NEWS, libmisc/copydir.c: When a hardlink is detected, the
original hardlink should not be removed.
2010-03-30 Nicolas François <nicolas.francois@centraliens.net>
* po/POTFILES.in, libmisc/Makefile.am, lib/prototypes.h,

3
NEWS
View File

@ -33,6 +33,9 @@ shadow-4.1.4.2 -> shadow-4.1.5 UNRELEASED
* Default ENV_SUPATH is /sbin:/bin:/usr/sbin:/usr/bin
- newgrp, sg, groupmems
* Fix parsing of gshadow entries.
- useradd
* If the skeleton directory contained hardlinked files, copies of the
hardlink were removed from the skeleton directory.
*** translation
* Updated Czech translation.

20
libmisc/copydir.c
View File

@ -305,6 +305,11 @@ int copy_tree (const char *src_root, const char *dst_root,
if (set_orig) {
src_orig = NULL;
dst_orig = NULL;
/* FIXME: clean links
* Since there can be hardlinks elsewhere on the device,
* we cannot check that all the hardlinks were found:
assert (NULL == links);
*/
}
#ifdef WITH_SELINUX
@ -312,10 +317,6 @@ int copy_tree (const char *src_root, const char *dst_root,
setfscreatecon (NULL);
#endif /* WITH_SELINUX */
/* FIXME: with the call to remove_link, we could also check that
* no links remain in links.
* assert (NULL == links); */
return err;
}
@ -538,7 +539,6 @@ static int copy_symlink (const char *src, const char *dst,
/* If src was a link to an entry of the src_orig directory itself,
* create a link to the corresponding entry in the dst_orig
* directory.
* FIXME: This may change a relative link to an absolute link
*/
if (strncmp (oldlink, src_orig, strlen (src_orig)) == 0) {
size_t len = strlen (dst_orig) + strlen (oldlink) - strlen (src_orig) + 1;
@ -592,20 +592,14 @@ static int copy_symlink (const char *src, const char *dst,
static int copy_hardlink (const char *src, const char *dst,
struct link_name *lp)
{
/* TODO: selinux, ACL, Extended Attributes needed? */
/* FIXME: selinux, ACL, Extended Attributes needed? */
if (link (lp->ln_name, dst) != 0) {
return -1;
}
/* FIXME: why is it unlinked? This is a copy, not a move */
if (unlink (src) != 0) {
return -1;
}
/* FIXME: idem, although it may never be used again */
/* If the file could be unlinked, decrement the links counter,
* and delete the file if it was the last reference */
* and forget about this link if it was the last reference */
lp->ln_count--;
if (lp->ln_count <= 0) {
remove_link (lp);