autofs/autofs-5.1.8-fail-on-empty-replicated-host-name.patch

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2023-03-27 01:46:39 +00:00
autofs-5.1.8 - fail on empty replicated host name
From: Ian Kent <raven@themaw.net>
If a mount location host (or hosts) has an empty host name it has to be
a mistake so fail the automount request.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1 +
modules/parse_sun.c | 18 ++++++++++++++++++
2 files changed, 19 insertions(+)
--- autofs-5.1.7.orig/CHANGELOG
+++ autofs-5.1.7/CHANGELOG
@@ -112,6 +112,7 @@
- fix memory leak in update_hosts_mounts().
- fix minus only option handling in concat_options().
- fix incorrect path for is_mounted() in try_remount().
+- fail on empty replicated host name.
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
@@ -935,6 +935,12 @@ static int validate_location(unsigned in
if (*ptr == ':')
return 1;
+ /* Fail on replicated entry with empty first host name */
+ if (*ptr == ',') {
+ error(logopt, "missing first host name in location %s", loc);
+ return 0;
+ }
+
/*
* If a ':/' is present now it must be a host name, except
* for those special file systems like sshfs which use "#"
@@ -971,6 +977,18 @@ static int validate_location(unsigned in
"found in location %s", *ptr, loc);
return 0;
}
+
+ /* Fail on replicated entry with empty host name */
+ if (*ptr == ',') {
+ char next = *(ptr + 1);
+
+ if (next == ',' || next == ':') {
+ error(logopt,
+ "missing host name in location %s", loc);
+ return 0;
+ }
+ }
+
ptr++;
}