On Tue, Feb 22, 2022 at 01:46:52PM +0100, Martijn van Duren wrote:
> Took me a while to dig up my octeon machine.
>
> The problem is that requestid is an int32, not a long long.
> Diff below fixes this for me.
>
> OK?
ok tb
>
> martijn@
>
> On Wed, 2022-02-09 at 15:01 +0100, Sebastian Oswald wrote:
> > > Synopsis: snmpd exits upon query by manager
> > > Category: system
> > > Environment:
> > System : OpenBSD 7.0
> > Details : OpenBSD 7.0-current (GENERIC.MP) #843: Tue Feb 8
> > 18:55:35 MST 2022
> >
> > dera...@octeon.openbsd.org:/usr/src/sys/arch/octeon/compile/GENERIC.MP
> >
> > Architecture: OpenBSD.octeon
> > Machine : octeon
> >
> > > Description:
> > after recent updates/upgrade via 'syspugrade -s' and 'pkg_add -u' snmpd
> > exits upon the first poll by a manager.
> > no errors are logged, but when spawning snmpd in foreground with extensive
> > verbosity the following is shown:
> >
> > [...]
> > USM: engineid '', engine boots 0, engine time 0, user ''
> > snmpe_parse: 172.25.50.99:161: unknown engine id
> > USM: engineid
> > '800075cb8192181e2bdb5065b50b43f6c3def2b40fd8a21228809b0ee452cc88', engine
> > boots 0, engine time 1644411792, user 'zabbix'
> > snmpe_parse: 172.25.50.99:161: SNMPv3 pdutype GetBulkRequest, flags 0x7,
> > secmodel 3, user 'zabbix', ctx-engine
> > 800075cb8192181e2bdb5065b50b43f6c3def2b40fd8a21228809b0ee452cc88, ctx-name
> > '', request
> > 1116207041
> > 78566 parent exiting
> >
> >
> > when trying to use protocol version 2c:
> > [...]
> > snmpe_parse: 172.25.50.99:161: SNMPv2 'test' pdutype GetBulkRequest request
> > 1825123407
> > 94220 parent exiting
> >
> >
> >
> > snmpd.conf contents:
> > listen_address="172.25.50.1"
> > listen on $listen_address
> > system description "OpenBSD gateway"
> > system location "home"
> > system services 74
> > system oid 1.3.6.1.4.1.30155.23.1
> > seclevel enc
> > user "zabbix" authkey "secret" auth "hmac-md5" enckey "secret" enc "aes"
> >
> >
> >
> > > How-To-Repeat:
> >
> > Steps to reproduce:
> > - start snmpd (via rcctl or with "snmpd -dvvvvv" for verbose output)
> > - poll agent from another host
> > - snmpd exits
> >
> Index: application.c
> ===================================================================
> RCS file: /cvs/src/usr.sbin/snmpd/application.c,v
> retrieving revision 1.2
> diff -u -p -r1.2 application.c
> --- application.c 30 Jan 2022 13:27:39 -0000 1.2
> +++ application.c 22 Feb 2022 12:45:43 -0000
> @@ -610,7 +610,7 @@ appl_processpdu(struct snmp_message *sta
> size_t i, varbindlen = 0, repeaterlen;
>
> /* pdu must be ASN.1 validated in snmpe.c */
> - (void) ober_scanf_elements(pdu, "{iiie", &requestid, &nonrepeaters,
> + (void) ober_scanf_elements(pdu, "{diie", &requestid, &nonrepeaters,
> &maxrepetitions, &varbindlist);
>
> /* RFC 3413, section 3.2, processPDU, item 5, final bullet */
>
