autofs/autofs-5.1.8-fix-multi-mount-check.patch

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2023-10-30 01:35:04 +00:00
autofs-5.1.8 - fix multi-mount check
From: Ian Kent <raven@themaw.net>
When checking if a mount location is a multi-mount after the first location
the next '-' or '/' indicates it's a multi-mount.
But the '-' can be part of a mount location and can follow a space leading
to incorrectly deciding the location is a multi-mount.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1 +
modules/parse_sun.c | 9 ++++++++-
2 files changed, 9 insertions(+), 1 deletion(-)
--- autofs-5.1.7.orig/CHANGELOG
+++ autofs-5.1.7/CHANGELOG
@@ -158,6 +158,7 @@
- fix incorrect matching of cached wildcard key.
- fix expire retry looping.
- allow -null map in indirect maps.
+- fix multi-mount check.
25/01/2021 autofs-5.1.7
- make bind mounts propagation slave by default.
--- autofs-5.1.7.orig/modules/parse_sun.c
+++ autofs-5.1.7/modules/parse_sun.c
@@ -787,7 +787,14 @@ static int check_is_multi(const char *ma
if (not_first_chunk) {
if (*p == '"')
p++;
- if (*p == '/' || *p == '-') {
+ /*
+ * Although an options string here would mean
+ * we have a multi-mount we can't rely on it
+ * since it's also valid in a mount location.
+ */
+ if (*p == '-')
+ p++;
+ if (*p == '/') {
multi = 1;
break;
}