Re :Re: How can I set contextName instead of default NULL
This is a discussion on Re :Re: How can I set contextName instead of default NULL within the SNMP Users forums, part of the Networking and Network Related category; --===============1815014904== Content-Type: multipart/alternative; boundary="=_b4dd795d00e9741a0151af7ffc94693d" --=_b4dd795d00e9741a0151af7ffc94693d Content-Type: text/plain; charset="ISO-8859-1" ...
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Re :Re: How can I set contextName instead of default NULL
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Content-Type: multipart/alternative; boundary="=_b4dd795d00e9741a0151af7ffc94693d" --=_b4dd795d00e9741a0151af7ffc94693d Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit I've modified snmpd.conf and now contextName thing is working fine for scalars. How ever when I give same lines in the tables its giving segmentation fault problem. The trace and the code is as below:reg = netsnmp_create_handler_registration("MylTable",&nb sp;   ; & nbsp; &nb sp;   ; & nbsp; MyTable_handler, &nbs p; &n bsp; &nbs p; MyTable_oid, &n bsp; &nbs p;   ; & nbsp; &nb sp; MyTable_oid_len, &nbs p; &n bsp; &nbs p; HANDLER_CAN_RWRITE); reg->contextName = strdup("mycontext"); netsnmp_register_handler(reg);the seg fault back trace is: #0 0xb772c36b in strlen () from /lib/libc.so.6#1 0xb772c0d5 in strdup () from /lib/libc.so.6#2 0xb79fa0f3 in agentx_register () from /usr/lib/libnetsnmpagent.so.15#3 0xb79e8af1 in agentx_registration_callback () from /usr/lib/libnetsnmpagent.so.15#4 0xb795a727 in snmp_call_callbacks () from /usr/lib/libnetsnmp.so.15#5 0xb79dd1e0 in register_mib_reattach_node () from /usr/lib/libnetsnmpagent.so.15#6&n bsp; 0xb79dd22f in register_mib_reattach () from /usr/lib/libnetsnmpagent.so.15#7 0xb79e96ca in agentx_reopen_session () from /usr/lib/libnetsnmpagent.so.15#8 0xb79e6ca3 in subagent_startup () from /usr/lib/libnetsnmpagent.so.15#9 0xb795a727 in snmp_call_callbacks () from /usr/lib/libnetsnmp.so.15#10 0xb794dfff in read_configs () from /usr/lib/libnetsnmp.so.15#11 0xb792b118 in init_snmp () from /usr/lib/libnetsnmp.so.15#12 0x082b6aac in snmpsubagent () at /root/home/snmp/src/SnmpInit.cc:407#13 0xb7ba8001 in ?? () from /lib/libpthread.so.0#14 0x00000000 in ?? ()For tables do I have to do anything different?On Fri, 4 Jan 2008 12:46:30 +0000 "Dave Shield" wrote On 4 Jan 2008 12:35:06 -0000, girish wrote: > Well here is the snmpd.conf file which I 've configured Just concentrating the access control settings, you have: > rwuser myuser > rwuser myuser > rwuser myuser > rwuser myuser i.e. four copies of the same entry! plus: &g t; access mygroup "mycontext" authNoPriv myuser which is not the correct syntax for the "access" directive. Please re-read the documentation for access control, either in snmpd.conf(5) or the FAQ entry I don't understand the new access control stuff - what does it mean? http://www.net-snmp.org/wiki/index.php/FAQ:Agent_24 If you don't configure things correctly, then no - it won't work. Dave ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Net-snmp-users mailing list Net-snmp-users@lists.sourceforge.net Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/...net-snmp-users Regards, Girish --=_b4dd795d00e9741a0151af7ffc94693d Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable I've modified snmpd.conf and now contextName thing is working fine for scal= ars. How ever when I give same lines in the tables its giving segment= ation fault problem. The trace and the code is as below:<br />reg =3D<br />= netsnmp_create_handler_registrat= ion("MylTable",<br /> & nbsp;= &n bsp; &nb= sp;   ; = &n bsp; MyTable_handler,<br = /> & nbsp; &= nbsp; &nb sp; &nbs= p; &= nbsp; MyTable_oid,<br /> &nb= sp;   ; = &n bsp; &nb= sp;   ; = MyTable_oid_len,<br /> &nbs= p; &= nbsp; &nb sp; &nbs= p; HANDLE= R_CAN_RWRITE);<br /> reg->contextName =3D strdup("myco= ntext");<br /> netsnmp_register_handler(reg);<br /><br />= the seg fault back trace is: <br /><br />#0 0xb772c36b in strlen () f= rom /lib/libc.so.6<br />#1 0xb772c0d5 in strdup () from /lib/libc.so.= 6<br />#2 0xb79fa0f3 in agentx_register () from /usr/lib/libnetsnmpag= ent.so.15<br />#3 0xb79e8af1 in agentx_registration_callback () from = /usr/lib/libnetsnmpagent.so.15<br />#4 0xb795a727 in snmp_call_callba= cks () from /usr/lib/libnetsnmp.so.15<br />#5 0xb79dd1e0 in register_= mib_reattach_node () from /usr/lib/libnetsnmpagent.so.15<br />#6 0xb7= 9dd22f in register_mib_reattach () from /usr/lib/libnetsnmpagent.so.15<br /= >#7 0xb79e96ca in agentx_reopen_session () from /usr/lib/libnetsnmpag= ent.so.15<br />#8 0xb79e6ca3 in subagent_startup () from /usr/lib/lib= netsnmpagent.so.15<br />#9 0xb795a727 in snmp_call_callbacks () from = /usr/lib/libnetsnmp.so.15<br />#10 0xb794dfff in read_configs () from /usr/= lib/libnetsnmp.so.15<br />#11 0xb792b118 in init_snmp () from /usr/lib/libn= etsnmp.so.15<br />#12 0x082b6aac in snmpsubagent () at /root/home/snmp/src/= SnmpInit.cc:407<br />#13 0xb7ba8001 in ?? () from /lib/libpthread.so.0<br /= >#14 0x00000000 in ?? ()<br /><br />For tables do I have to do anything dif= ferent?<br /><br />On Fri, 4 Jan 2008 12:46:30 +0000 "Dave Shield" wrote<b= r /> On 4 Jan 2008 12:35:06 -0000, girish wrote:<br /> > Well here is= the snmpd.conf file which I 've configured<br /> <br /> Just concentrati= ng the access control settings,<br /> you have:<br /> <br /> > rwuser= myuser<br /> > rwuser myuser<br /> > rwuser myuser<br /> > rwu= ser myuser<br /> <br /> i.e. four copies of the same entry!<br /> plus:<= br /> <br /> > access mygroup "mycontext" authNoPriv myuser<br /> <br= /> which is not the correct syntax for the "access" directive.<br /> <br= /> Please re-read the documentation for access control,<br /> either in = snmpd.conf(5) or the FAQ entry<br /> I don't understand the new access = control stuff - what does it mean?<br /> http://www.net-snmp.org/w= iki/index.php/FAQ:Agent_24<br /> <br /> If you don't configure things cor= rectly, then no - it won't work.<br /> <br /> Dave<br /> <br /> -------= ------------------------------------------------------------------<br /> T= his SF.net email is sponsored by: Microsoft<br /> Defy all challenges. Mic= rosoft(R) Visual Studio 2005.<br /> http://clk.atdmt.com/MRT/go/vse0120000= 070mrt/direct/01/<br /> _______________________________________________<br = /> Net-snmp-users mailing list<br /> Net-snmp-users@lists.sourceforge.ne= t<br /> Please see the following page to unsubscribe or change other optio= ns:<br /> https://lists.sourceforge.net/lists/listinfo/net-snmp-users<br /= > <br /> =20 <br><br>Regards,<br /> Girish<br><Table border=3D0 Width=3D644 Height=3D57 cellspacing=3D0 cellpad= ding=3D0 style=3D'font-family:Verdana;font-size:11px;line-height:15px;'><TR= ><td><img src =3Dhttp://imadworks.rediff.com/cgi-bin/AdWorks/adimage.cgi/20= 25376_2018199/creative_2025098.gif alt=3D'default blank signature' border= =3D0></td></TR></Table> --=_b4dd795d00e9741a0151af7ffc94693d-- --===============1815014904== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ --===============1815014904== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Net-snmp-users mailing list Net-snmp-users@lists.sourceforge.net Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/...net-snmp-users --===============1815014904==-- 
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