I am running net-snmp 5.8 r0.
I can get snmpd, snmptrapd and snmpget working with dtlsudp and tlstcp.
Except for some corner cases:
If I have a trap session defined in the snmpd.conf file, but the snmptrapd
is not running.
snmpd gets a SIGSEGV at startup time. (If I start snmptrapd first, then
everything works)
snmpd.local.conf:
trapsess -v 3 -T their_identity=manager.crt tlstcp:10.20.19.57:10162
certSecName 1 04:BF:CF:1A:9C:5D:7A:9D:87:7E:1D:D8:A3:77:1A:DD:D7:76:77:0B
--sn "AdminUser"
snmpd start up:
/usr/sbin/snmpd -f
-Dsnmpd/select,snmp_store,snmp_alarm,snmp_agent,verbose:asp -Losd udp:
0.0.0.0:161 dtlsudp:10161 tlstcp:10161
Anybody seen this or got a work around????
registered debug token snmpd/select, 1
registered debug token snmp_store, 1
registered debug token snmp_alarm, 1
registered debug token snmp_agent, 1
registered debug token verbose:asp, 1
Log handling defined - disabling stderr
snmp_alarm: registered alarm 1, t = 10.000, flags=0x01
snmp_alarm: registered alarm 2, t = 3.000, flags=0x01
snmp_alarm: registered alarm 3, t = 5.000, flags=0x01
Turning on AgentX master support.
tlstcp: failed to connect to 10.20.19.57:10162
---- OpenSSL Related Errors: ----
error: #151584876 (file ../openssl-1.1.1d/crypto/pem/pem_lib.c, line 745)
Textual Error: Expecting: ANY PRIVATE KEY
error: #33562735 (file ../openssl-1.1.1d/crypto/bio/b_sock2.c, line 110)
error: #537436263 (file ../openssl-1.1.1d/crypto/bio/b_sock2.c, line 111)
error: #33562735 (file ../openssl-1.1.1d/crypto/bio/bss_conn.c, line 173)
Textual Error: hostname=10.20.19.57 service=10162
error: #537342055 (file ../openssl-1.1.1d/crypto/bio/bss_conn.c, line 177)
---- End of OpenSSL Errors ----
snmp_alarm: no alarms found to schedule
snmp_agent: final port spec: "udp:0.0.0.0:161,dtlsudp:10161,tlstcp:10161"
snmp_agent: installing master agent on port udp:0.0.0.0:161
snmp_agent: init_master_agent; "udp:0.0.0.0:161" registered as an agent NSAP
snmp_agent: installing master agent on port dtlsudp:10161
A SNMP version other than 3 was requested with (D)TLS; using 3 anyways
snmp_agent: init_master_agent; "dtlsudp:10161" registered as an agent NSAP
snmp_agent: installing master agent on port tlstcp:10161
snmp_agent: init_master_agent; "tlstcp:10161" registered as an agent NSAP
snmp_store: storing stuff...
NET-SNMP version 5.8
snmpd/select: select( numfds=10, ..., tvp=0xffffd4f0)
snmpd/select: returned, count = 1
snmpd/select: select( numfds=10, ..., tvp=0xffffd4f0)
snmpd/select: returned, count = 1
snmpd/select: select( numfds=10, ..., tvp=0xffffd4f0)
snmpd/select: returned, count = 0
Program received signal SIGSEGV, Segmentation fault.
0xf7d38dfa in snmp_sess_timeout (sessp=0x809c7d8) at snmp_api.c:6789
6789 snmp_api.c: No such file or directory.
(gdb) bt
#0 0xf7d38dfa in snmp_sess_timeout (sessp=0x809c7d8) at snmp_api.c:6789
#1 0xf7d38fa9 in snmp_timeout () at snmp_api.c:6660
#2 0x0804b50f in receive () at snmpd.c:1347
#3 0x0804ab52 in main (argc=7, argv=0xffffd7b4) at snmpd.c:1125
(gdb) print sptr
$1 = <optimized out>
(gdb) print rp
$2 = (netsnmp_request_list *) 0x80d13d8
(gdb) print now
$3 = {tv_sec = 83215, tv_usec = 331554}
(gdb) print rp->pdu->securityModel
Cannot access memory at address 0x28
(gdb) print rp->expireM
$4 = {tv_sec = 0, tv_usec = 0}
(gdb) print rp->pdu
$5 = (netsnmp_pdu *) 0x0
(gdb)
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