60 lines
2.2 KiB
Diff
60 lines
2.2 KiB
Diff
|
From 0173a950563b23080fd40433f55efcb1d6b77923 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Petr Lautrbach <plautrba@redhat.com>
|
||
|
|
Date: Mon, 15 Apr 2019 15:22:51 +0200
|
||
|
|
Subject: [PATCH] mcstrans: Do not accept incomplete contexts
|
||
|
|
MIME-Version: 1.0
|
||
|
|
Content-Type: text/plain; charset=UTF-8
|
||
|
|
Content-Transfer-Encoding: 8bit
|
||
|
|
|
||
|
|
Fixes:
|
||
|
|
$ python3
|
||
|
|
> import selinux
|
||
|
|
> selinux.selinux_raw_context_to_color("xyz_u:xyz_r:xyz_t:")
|
||
|
|
|
||
|
|
Traceback (most recent call last):
|
||
|
|
File "<stdin>", line 2, in <module>
|
||
|
|
OSError: [Errno 0] Error
|
||
|
|
|
||
|
|
:: [ 10:25:45 ] :: [ BEGIN ] :: Running 'service mcstransd status'
|
||
|
|
Redirecting to /bin/systemctl status mcstransd.service
|
||
|
|
● mcstrans.service - Translates SELinux MCS/MLS labels to human readable form
|
||
|
|
Loaded: loaded (/usr/lib/systemd/system/mcstrans.service; disabled; vendor preset: disabled)
|
||
|
|
Active: failed (Result: core-dump) since Fri 2019-04-12 10:25:44 EDT; 1s ago
|
||
|
|
Process: 16681 ExecStart=/sbin/mcstransd -f (code=dumped, signal=SEGV)
|
||
|
|
Main PID: 16681 (code=dumped, signal=SEGV)
|
||
|
|
|
||
|
|
systemd[1]: mcstrans.service: Main process exited, code=dumped, status=11/SEGV
|
||
|
|
systemd[1]: mcstrans.service: Failed with result 'core-dump'.
|
||
|
|
|
||
|
|
Signed-off-by: Petr Lautrbach <plautrba@redhat.com>
|
||
|
|
---
|
||
|
|
mcstrans/src/mcscolor.c | 12 ++++++++----
|
||
|
|
1 file changed, 8 insertions(+), 4 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/mcstrans/src/mcscolor.c b/mcstrans/src/mcscolor.c
|
||
|
|
index 4ee0db507ef2..3a3a6de9a02b 100644
|
||
|
|
--- a/mcstrans/src/mcscolor.c
|
||
|
|
+++ b/mcstrans/src/mcscolor.c
|
||
|
|
@@ -272,10 +272,14 @@ static const unsigned precedence[N_COLOR][N_COLOR - 1] = {
|
||
|
|
static const secolor_t default_color = { 0x000000, 0xffffff };
|
||
|
|
|
||
|
|
static int parse_components(context_t con, char **components) {
|
||
|
|
- components[COLOR_USER] = (char *)context_user_get(con);
|
||
|
|
- components[COLOR_ROLE] = (char *)context_role_get(con);
|
||
|
|
- components[COLOR_TYPE] = (char *)context_type_get(con);
|
||
|
|
- components[COLOR_RANGE] = (char *)context_range_get(con);
|
||
|
|
+ if ((components[COLOR_USER] = (char *)context_user_get(con)) == NULL)
|
||
|
|
+ return -1;
|
||
|
|
+ if ((components[COLOR_ROLE] = (char *)context_role_get(con)) == NULL)
|
||
|
|
+ return -1;
|
||
|
|
+ if ((components[COLOR_TYPE] = (char *)context_type_get(con)) == NULL)
|
||
|
|
+ return -1;
|
||
|
|
+ if ((components[COLOR_RANGE] = (char *)context_range_get(con)) == NULL)
|
||
|
|
+ return -1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
--
|
||
|
|
2.23.0
|
||
|
|
|