autofs/SOURCES/autofs-5.1.7-fix-mount_fullpath.patch

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2021-04-16 06:10:06 +00:00
autofs-5.1.7 - fix mount_fullpath()
From: Ian Kent <raven@themaw.net>
mount_fullpath() incorrecly fills fullpath with the contents of root
when name[0] == '/'. The cases root[last] == '/' and name[0] == '/'
need to be handled seperately.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1 +
lib/mounts.c | 4 +++-
modules/parse_amd.c | 6 ++++--
3 files changed, 8 insertions(+), 3 deletions(-)
--- autofs-5.1.4.orig/CHANGELOG
+++ autofs-5.1.4/CHANGELOG
@@ -36,6 +36,7 @@
- add tree_mapent_add_node().
- add tree_mapent_delete_offsets().
- add tree_mapent_traverse_subtree().
+- fix mount_fullpath().
xx/xx/2018 autofs-5.1.5
- fix flag file permission.
--- autofs-5.1.4.orig/lib/mounts.c
+++ autofs-5.1.4/lib/mounts.c
@@ -371,8 +371,10 @@ int mount_fullpath(char *fullpath, size_
/* Root offset of multi-mount or direct or offset mount.
* Direct or offset mount, name (or root) is absolute path.
*/
- if (root[last] == '/' || *name == '/')
+ if (root[last] == '/')
len = snprintf(fullpath, max_len, "%s", root);
+ else if (*name == '/')
+ len = snprintf(fullpath, max_len, "%s", name);
else
len = snprintf(fullpath, max_len, "%s/%s", root, name);
--- autofs-5.1.4.orig/modules/parse_amd.c
+++ autofs-5.1.4/modules/parse_amd.c
@@ -1177,7 +1177,8 @@ static int do_generic_mount(struct autof
* the automount filesystem.
*/
if (!is_mounted(entry->fs, MNTS_REAL)) {
- ret = do_mount(ap, entry->fs, "/", 1,
+ ret = do_mount(ap, entry->fs,
+ entry->fs, strlen(entry->fs),
target, entry->type, opts);
if (ret)
goto out;
@@ -1227,7 +1228,8 @@ static int do_nfs_mount(struct autofs_po
mount_nfs->context);
} else {
if (!is_mounted(entry->fs, MNTS_REAL)) {
- ret = mount_nfs->mount_mount(ap, entry->fs, "/", 1,
+ ret = mount_nfs->mount_mount(ap, entry->fs,
+ entry->fs, strlen(entry->fs),
target, entry->type, opts,
mount_nfs->context);
if (ret)