Re: snmptrapd - avoiding ambiguity in log files

Alex Burger writes:
> To be sure that the 5.1.3.1 snmptrapd is not loading any libraries from
> 5.0.9, run:
> ldd /root/net-snmp-5.1.3.1/apps/snmptrapd
turns out that above isn't quite right cause it's a shell script that
calls lt-snmptrapd. But
# ldd /root/net-snmp-5.1.3.1/apps/.libs/lt-snmptrapd
libnetsnmptrapd.so.5 => /root/net-snmp-5.1.3.1/apps/.libs/libnetsnmptrapd.so.5 (0x40014000)
libnetsnmpagent.so.5 => /root/net-snmp-5.1.3.1/agent/.libs/libnetsnmpagent.so.5 (0x4001f000)
libnetsnmpmibs.so.5 => /root/net-snmp-5.1.3.1/agent/.libs/libnetsnmpmibs.so.5 (0x40036000)
libnetsnmphelpers.so.5 => /root/net-snmp-5.1.3.1/agent/helpers/.libs/libnetsnmphelpers.so.5 (0x400d2000)
libnetsnmp.so.5 => /root/net-snmp-5.1.3.1/snmplib/.libs/libnetsnmp.so.5 (0x400e5000)
libdl.so.2 => /lib/libdl.so.2 (0x40179000)
libcrypto.so.2 => /lib/libcrypto.so.2 (0x4017d000)
libm.so.6 => /lib/libm.so.6 (0x40254000)
libc.so.6 => /lib/libc.so.6 (0x40275000)
/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

> Make sure it's not loading library files from /usr/local/lib or wherever
> RH's RPM installed them.

All those with snmp in the name are coming from the build dir,
the rest I assume are not supposed to.

I don't think this is a library problem cause some things work.
Also when I make install and use the installed version the same
things work and fail.
BTW, here's what I view as confusing:
make install
...
[root@don-eve net-snmp-5.1.3.1]# which snmptrapd
/usr/local/sbin/snmptrapd
[root@don-eve net-snmp-5.1.3.1]# snmptrapd -v

NET-SNMP Version: 5.0.9
Web: http://www.net-snmp.org/
Email: net-snmp-coders@lists.sourceforge.net

[root@don-eve net-snmp-5.1.3.1]# /usr/local/sbin/snmptrapd -v

NET-SNMP Version: 5.1.3.1
Web: http://www.net-snmp.org/
Email: net-snmp-coders@lists.sourceforge.net


Even stranger still,
BEFORE make install I get quoting:
[root@don-eve net-snmp-5.1.3.1]# ./apps/snmptrapd -Lo -f
Cannot find module (IP-MIB): At line 0 in (none)
<19 more lines like that>
2005-09-08 09:14:26 NET-SNMP version 5.1.3.1 Started.
2005-09-08 09:14:29 number3 [10.0.0.1] (via 10.0.0.1) TRAP, SNMP v1,
community private
iso.3.6.1.4.1.2021.13.991 Enterprise Specific Trap (117)
Uptime: 146 days, 12:42:38.95
iso.3.6.1.2.1.1.6.0 = STRING: "XXX\\\"
iso.2.3.4 = INTEGER: 1234"

[The string contains \, ", tab, newline.]

and AFTER make install I don't:
[root@don-eve net-snmp-5.1.3.1]# ./apps/snmptrapd -Lo -f
2005-09-08 09:39:59 NET-SNMP version 5.1.3.1 Started.
2005-09-08 09:40:05 number3 [10.0.0.1] (via 10.0.0.1) TRAP, SNMP v1,
community private
UCD-SNMP-MIB::ucdExperimental.991 Enterprise Specific Trap
(117) Uptime: 146 days, 13:08:15.15
SNMPv2-MIB::sysLocation.0 = STRING: XXX\"
iso.2.3.4 = INTEGER: 1234

Same behavior with
./apps/snmptrapd -Lo -f -C
snmptrapd -Lo -f -C
snmptrapd -Lo -f
snmptrapd -Lo -f -C -c /tmp/snmptrapd.conf

In addition to the two quoting behaviors above, I notice a third:
snmptrapd -f
puts the following in the syslog:
Sep 8 09:49:42 don-eve snmptrapd[17845]: 10.0.0.1: Enterprise
Specific Trap (.117) Uptime: 146 days, 13:17:52.09,
SNMPv2-MIB::sysLocation.0 = STRING: XXX\"^I iso.2.3.4 = INTEGER: 1234
That is, the tab is replaced by two chars, ^I while the newline is
replaced by a space.


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