a5adb69dac
This is an automated DistroBaker update from upstream sources. If you do not know what this is about or would like to opt out, contact the OSCI team. Source: https://src.fedoraproject.org/rpms/autofs.git#25aaf0b69441b4e7370a195cbf1c7988d0abef3d
95 lines
2.8 KiB
Diff
95 lines
2.8 KiB
Diff
autofs-5.1.7 - add tree_mapent_cleanup_offsets()
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From: Ian Kent <raven@themaw.net>
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Add function tree_mapent_cleanup_offsets() to the mapent tree handling
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implementation.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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include/mounts.h | 1 +
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lib/mounts.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
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3 files changed, 47 insertions(+)
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diff --git a/CHANGELOG b/CHANGELOG
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index e2fd532c..89d4cfa0 100644
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -37,6 +37,7 @@
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- add tree_mapent_delete_offsets().
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- add tree_mapent_traverse_subtree().
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- fix mount_fullpath().
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+- add tree_mapent_cleanup_offsets().
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25/01/2021 autofs-5.1.7
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- make bind mounts propagation slave by default.
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diff --git a/include/mounts.h b/include/mounts.h
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index b5a1193b..5441ee0e 100644
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--- a/include/mounts.h
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+++ b/include/mounts.h
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@@ -171,6 +171,7 @@ void mnts_set_mounted_mount(struct autofs_point *ap, const char *name, unsigned
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struct tree_node *tree_mapent_root(struct mapent *me);
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int tree_mapent_add_node(struct mapent_cache *mc, const char *base, const char *key);
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int tree_mapent_delete_offsets(struct mapent_cache *mc, const char *key);
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+void tree_mapent_cleanup_offsets(struct mapent *oe);
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int unlink_mount_tree(struct autofs_point *ap, const char *mp);
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void free_mnt_list(struct mnt_list *list);
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int is_mounted(const char *mp, unsigned int type);
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diff --git a/lib/mounts.c b/lib/mounts.c
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index 497c28c9..ba573b9a 100644
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--- a/lib/mounts.c
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+++ b/lib/mounts.c
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@@ -1647,6 +1647,51 @@ int tree_mapent_delete_offsets(struct mapent_cache *mc, const char *key)
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return 1;
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}
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+static void tree_mapent_umount_mount(struct autofs_point *ap, const char *mp)
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+{
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+ if (is_mounted(mp, MNTS_ALL)) {
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+ if (umount(mp)) {
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+ error(ap->logopt, "error recovering from mount fail");
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+ error(ap->logopt, "cannot umount %s", mp);
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+ }
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+ }
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+}
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+
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+static int tree_mapent_cleanup_offsets_work(struct tree_node *n, void *ptr)
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+{
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+ struct mapent *oe = MAPENT(n);
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+ struct traverse_subtree_context *ctxt = ptr;
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+
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+ tree_mapent_umount_mount(ctxt->ap, oe->key);
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+
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+ return 1;
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+}
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+
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+void tree_mapent_cleanup_offsets(struct mapent *oe)
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+{
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+ struct tree_node *base = MAPENT_NODE(oe);
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+ struct traverse_subtree_context ctxt = {
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+ .ap = oe->mc->ap,
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+ .base = base,
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+ .strict = 0,
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+ };
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+ struct autofs_point *ap = oe->mc->ap;
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+
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+ tree_mapent_traverse_subtree(base, tree_mapent_cleanup_offsets_work, &ctxt);
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+
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+ /* Cleanup base mount after offsets have been cleaned up */
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+ if (*oe->key == '/')
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+ tree_mapent_umount_mount(ap, oe->key);
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+ else {
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+ char mp[PATH_MAX + 1];
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+
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+ if (!mount_fullpath(mp, PATH_MAX, ap->path, oe->key))
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+ error(ap->logopt, "mount path is too long");
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+ else
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+ tree_mapent_umount_mount(ap, mp);
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+ }
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+}
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+
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/* From glibc decode_name() */
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/* Since the values in a line are separated by spaces, a name cannot
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* contain a space. Therefore some programs encode spaces in names
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