Package: nut
Version: 2.7.4-8
Severity: normal
Tags: patch upstream
Dear Maintainer,
when configuring SNMP as v3 with privacy enabled and "privProtocol = AES" in
/etc/nut/ups.conf for the UPS then the communication with the UPS will fail.
The sympton is that on startup the driver will report:
- "Unknown mibs value: apcc" (with "mibs = apcc")
- "No supported device detected" (with "mibs = auto"
Communication with "privProtocol = DES" works if the SNMP endpoint is configured
accordingly, so this only affects the "AES" setting.
The underlying root cause is a length issue for the 'usmAESPrivProtocol'
oid value, causing the wrong privacy string being passed into the net-snmp
library caused by a #define that is leading to a sizeof() with a pointer
instead of the oid array.
See attached patch for a fix.
-- System Information:
Debian Release: 10.3
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: armhf (armv7l)
Kernel: Linux 4.19.115-clearfog (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL
set to en_US.UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set
to en_US.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)
Versions of packages nut depends on:
ii nut-client 2.7.4-8
ii nut-server 2.7.4-8
nut recommends no packages.
nut suggests no packages.
-- no debconf information
--- .pc/snmp-v3-aes-patch/drivers/snmp-ups.c 2020-04-17 02:48:13.000000000
-0400
+++ drivers/snmp-ups.c 2020-04-17 02:48:13.000000000 -0400
@@ -56,11 +56,6 @@
#include "eaton-ats-mib.h"
#include "apc-ats-mib.h"
-/* Address API change */
-#ifndef usmAESPrivProtocol
-#define usmAESPrivProtocol usmAES128PrivProtocol
-#endif
-
static mib2nut_info_t *mib2nut[] = {
&apc,
&mge,
