RE: How to delete/add line from raw table?
My question was regarding only the local structure, that is the standard. I very much appreciate your help. It's too bad you chose to end our corresponding with a bad note. Have a great day and thank you again, Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Tuesday, July 31, 2012 12:43 PM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 31 July 2012 10:11, Naama Bar Menachem wrote: > I am creating and deleting rows in my kernek structure (and it works, > I che3ckeD). > The issue was with the local structure. > So, what changes, other than remove the SNMP_FREE call? I don't know - this is your code. If you're not using a local cache, then you don't need to create anything in 'createEntry' or delete it in 'removeEntry' Take out the bits that you think you don't need, and see what happens But you really do need to sort this out for yourself. There's a limit to the amount of help we can give you when you move away from the standard approaches. And you are long past that limit! Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 31 July 2012 10:11, Naama Bar Menachem wrote: > I am creating and deleting rows in my kernek structure (and it works, I > che3ckeD). > The issue was with the local structure. > So, what changes, other than remove the SNMP_FREE call? I don't know - this is your code. If you're not using a local cache, then you don't need to create anything in 'createEntry' or delete it in 'removeEntry' Take out the bits that you think you don't need, and see what happens But you really do need to sort this out for yourself. There's a limit to the amount of help we can give you when you move away from the standard approaches. And you are long past that limit! Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
I am creating and deleting rows in my kernek structure (and it works, I che3ckeD). The issue was with the local structure. So, what changes, other than remove the SNMP_FREE call? Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Tuesday, July 31, 2012 12:10 PM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 31 July 2012 09:46, Naama Bar Menachem wrote: > I see what you mean. > What do you suggest? To insert the entry to local data structure in > "create_entry" or to remove the "SNMP_FREE" call? No - you need to change *BOTH* of these routines to work with your kernel-based APIs. The 'createEntry' routine needs to set up a new entry in the kernel table, and the 'deleteEntry' needs to remove it. > I lean towards the second, if it is possible and will not cause memory > issues, since I still don't see how the already exists rows are > inserted into local data structure as well. If you are not using a local data structure, then you don't need to create new rows in it. But you *DO* need to create new rows in the data structure that you *are* using - i.e. the kernel table. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 31 July 2012 09:46, Naama Bar Menachem wrote: > I see what you mean. > What do you suggest? To insert the entry to local data structure in > "create_entry" or to remove the "SNMP_FREE" call? No - you need to change *BOTH* of these routines to work with your kernel-based APIs. The 'createEntry' routine needs to set up a new entry in the kernel table, and the 'deleteEntry' needs to remove it. > I lean towards the second, if it is possible and will not cause memory > issues, since I still don't see how the already exists rows are inserted > into local data structure as well. If you are not using a local data structure, then you don't need to create new rows in it. But you *DO* need to create new rows in the data structure that you *are* using - i.e. the kernel table. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Hi I see what you mean. What do you suggest? To insert the entry to local data structure in "create_entry" or to remove the "SNMP_FREE" call? I lean towards the second, if it is possible and will not cause memory issues, since I still don't see how the already exists rows are inserted into local data structure as well. Was I suppose to insert them in "init"? Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Tuesday, July 31, 2012 10:56 AM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 31 July 2012 08:30, Naama Bar Menachem wrote: > There is no double-free problem. The free is only called once and > crashes on the first time. Well *something* is wrong with it! The usual causes of problems with releasing memory are: - freeing a NULL pointer - freeing a pointer twice - freeing a pointer that wasn't allocated dynamically You could try compiling with one of the memory debugging tools (dmalloc, or libefence) to try and analyse where things are going wrong. > However, there is something I don't understand. As I said the data is > not stored locally on the agent, but on kernel. When the device is > loaded, there is always 5 rows in the table. Where those 5 rows are > allocated and stored in the local agent table? The agent typically keeps a local cached version of the underlying table being monitored.This could be a complete copy of all of the data from that table - or else a "skeleton" table, containing a dummy entry for each row of the table (with the actual data being looked up from the kernel in the handler). However this is done, it's usually set up in the 'createEntry' routine. Looking at your code, the entry that is set up in this routine is never actually used. You allocate a memory structure, but the block of code 'XXX - insert entry into local data structure' is empty. So the per-row data structure that you create here is simply dropped. The entry you work with elsewhere is set up within the nsCommonConfigDataForwardPolicyRouteTable_get_entry() routine, and seems to refer to a global buffer (which doesn't need freeing) Hence the cause of the crash is case 3 above. > In addition, I added a new row, and immediately destroyed it. I > printed the address the entry is pointing to, and it seems that in > "create_entry" the allocated entry is pointing to "0x1201f6160", while > on "remove_entry" it is pointing to "0x555aa6dc98". See above. If you are using your own mechanism for retrieving data from the underlying kernel - then you need to extend this to apply to updating values and creating/deleting rows as well. You probably need to replace the *whole* of the createEntry & deleteEntry routines with versions that work with your kernel table. Similarly for the SET processing of the column values. You apply the new values within the Action pass, but don't seem to be reversing this in the Undo pass, if some part of the SET fails. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Hi 'XXX - insert entry into local data structure' is empty. --> where? Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Tuesday, July 31, 2012 10:56 AM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 31 July 2012 08:30, Naama Bar Menachem wrote: > There is no double-free problem. The free is only called once and > crashes on the first time. Well *something* is wrong with it! The usual causes of problems with releasing memory are: - freeing a NULL pointer - freeing a pointer twice - freeing a pointer that wasn't allocated dynamically You could try compiling with one of the memory debugging tools (dmalloc, or libefence) to try and analyse where things are going wrong. > However, there is something I don't understand. As I said the data is > not stored locally on the agent, but on kernel. When the device is > loaded, there is always 5 rows in the table. Where those 5 rows are > allocated and stored in the local agent table? The agent typically keeps a local cached version of the underlying table being monitored.This could be a complete copy of all of the data from that table - or else a "skeleton" table, containing a dummy entry for each row of the table (with the actual data being looked up from the kernel in the handler). However this is done, it's usually set up in the 'createEntry' routine. Looking at your code, the entry that is set up in this routine is never actually used. You allocate a memory structure, but the block of code 'XXX - insert entry into local data structure' is empty. So the per-row data structure that you create here is simply dropped. The entry you work with elsewhere is set up within the nsCommonConfigDataForwardPolicyRouteTable_get_entry() routine, and seems to refer to a global buffer (which doesn't need freeing) Hence the cause of the crash is case 3 above. > In addition, I added a new row, and immediately destroyed it. I > printed the address the entry is pointing to, and it seems that in > "create_entry" the allocated entry is pointing to "0x1201f6160", while > on "remove_entry" it is pointing to "0x555aa6dc98". See above. If you are using your own mechanism for retrieving data from the underlying kernel - then you need to extend this to apply to updating values and creating/deleting rows as well. You probably need to replace the *whole* of the createEntry & deleteEntry routines with versions that work with your kernel table. Similarly for the SET processing of the column values. You apply the new values within the Action pass, but don't seem to be reversing this in the Undo pass, if some part of the SET fails. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 31 July 2012 08:30, Naama Bar Menachem wrote: > There is no double-free problem. The free is only called once and > crashes on the first time. Well *something* is wrong with it! The usual causes of problems with releasing memory are: - freeing a NULL pointer - freeing a pointer twice - freeing a pointer that wasn't allocated dynamically You could try compiling with one of the memory debugging tools (dmalloc, or libefence) to try and analyse where things are going wrong. > However, there is something I don't understand. As I said the data is > not stored locally on the agent, but on kernel. When the device is > loaded, there is always 5 rows in the table. Where those 5 rows are > allocated and stored in the local agent table? The agent typically keeps a local cached version of the underlying table being monitored.This could be a complete copy of all of the data from that table - or else a "skeleton" table, containing a dummy entry for each row of the table (with the actual data being looked up from the kernel in the handler). However this is done, it's usually set up in the 'createEntry' routine. Looking at your code, the entry that is set up in this routine is never actually used. You allocate a memory structure, but the block of code 'XXX - insert entry into local data structure' is empty. So the per-row data structure that you create here is simply dropped. The entry you work with elsewhere is set up within the nsCommonConfigDataForwardPolicyRouteTable_get_entry() routine, and seems to refer to a global buffer (which doesn't need freeing) Hence the cause of the crash is case 3 above. > In addition, I added a new row, and immediately destroyed it. I printed > the address the entry is pointing to, and it seems that in > "create_entry" the allocated entry is pointing to "0x1201f6160", while > on "remove_entry" it is pointing to "0x555aa6dc98". See above. If you are using your own mechanism for retrieving data from the underlying kernel - then you need to extend this to apply to updating values and creating/deleting rows as well. You probably need to replace the *whole* of the createEntry & deleteEntry routines with versions that work with your kernel table. Similarly for the SET processing of the column values. You apply the new values within the Action pass, but don't seem to be reversing this in the Undo pass, if some part of the SET fails. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Hi Dave There is no double-free problem. The free is only called once and crashes on the first time. However, there is something I don't understand. As I said the data is not stored locally on the agent, but on kernel. When the device is loaded, there is always 5 rows in the table. Where those 5 rows are allocated and stored in the local agent table? In addition, I added a new row, and immediately destroyed it. I printed the address the entry is pointing to, and it seems that in "create_entry" the allocated entry is pointing to "0x1201f6160", while on "remove_entry" it is pointing to "0x555aa6dc98". I am attaching the C file again. Thank you, Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Tuesday, July 31, 2012 12:20 AM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 30 July 2012 17:18, Naama Bar Menachem wrote: > I track "entry"'s address and it seems fine (entry=0x555826b818). Not > NULL at no stage. > On the other hand- when I remove the call for SNMP_FREE it does not > crash. That sounds more like a double-free problem. Dave nsCommonConfigDataForwardPolicyRoute.c Description: nsCommonConfigDataForwardPolicyRoute.c -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 30 July 2012 17:18, Naama Bar Menachem wrote: > I track "entry"'s address and it seems fine (entry=0x555826b818). Not > NULL at no stage. > On the other hand- when I remove the call for SNMP_FREE it does not > crash. That sounds more like a double-free problem. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
I track "entry"'s address and it seems fine (entry=0x555826b818). Not NULL at no stage. On the other hand- when I remove the call for SNMP_FREE it does not crash. Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Monday, July 30, 2012 6:04 PM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 30 July 2012 15:37, Naama Bar Menachem wrote: > When set value to 6 (destroy) using snmpB browser, timeout error received. If the agent crashes before sending back a response, it's not really very surprising that the browser request times out! > The command "SNMP_FREE(entry);" fails and cause snmpd to crash. The most likely cause would be if 'entry' is null when it's passed to the free call. (although SNMP_FREE is meant to handle that) Alternatively, this might happen if the 'entry' is not a valid pointer, or has already been freed. Try checking what value 'entry' has at this point, and what happened to it previously. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 30 July 2012 15:37, Naama Bar Menachem wrote: > When set value to 6 (destroy) using snmpB browser, timeout error received. If the agent crashes before sending back a response, it's not really very surprising that the browser request times out! > The command "SNMP_FREE(entry);" fails and cause snmpd to crash. The most likely cause would be if 'entry' is null when it's passed to the free call. (although SNMP_FREE is meant to handle that) Alternatively, this might happen if the 'entry' is not a valid pointer, or has already been freed. Try checking what value 'entry' has at this point, and what happened to it previously. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Thank you so much for your great help! One more (hopefully last) issue- now with DELETE: When set value to 6 (destroy) using snmpB browser, timeout error received. The command "SNMP_FREE(entry);" fails and cause snmpd to crash. Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Monday, July 30, 2012 5:26 PM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 30 July 2012 15:02, Naama Bar Menachem wrote: > Is it possible to add new row without getting inputs? > Not index and not other values? > As if the user pressed a "ADD" button and my behind the screen > mechanism will put initial values to all, including index. It depends on what level you are talking about. If you mean "is it possible to send an SNMP SET request that will create a new row without specifying the index value" then the answer is probably No. All SET requests operate on an *instance* of a MIB object, and hence will need to include the instance sub-identifier. If you mean "is it possible to have a management tool that allows the user to press an ADD button, and have this create a new row - using an appropriate index" then the answer is Yes. But the "behind-the-screen" mechanism would be located in the client-side application, rather than the SNMP agent. One obvious approach would be to walk the table to retrieve the current index values, and choose the next one. Then issue a suitable SET request using that index. All this could be hidden from the user by a suitable dedicated client application. But not if you're working with the low-level SET requests (or command-line tools such as "snmpset", etc), where the user would need to decide what index to create. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 30 July 2012 15:02, Naama Bar Menachem wrote: > Is it possible to add new row without getting inputs? > Not index and not other values? > As if the user pressed a "ADD" button and my behind the screen mechanism > will put initial values to all, including index. It depends on what level you are talking about. If you mean "is it possible to send an SNMP SET request that will create a new row without specifying the index value" then the answer is probably No. All SET requests operate on an *instance* of a MIB object, and hence will need to include the instance sub-identifier. If you mean "is it possible to have a management tool that allows the user to press an ADD button, and have this create a new row - using an appropriate index" then the answer is Yes. But the "behind-the-screen" mechanism would be located in the client-side application, rather than the SNMP agent. One obvious approach would be to walk the table to retrieve the current index values, and choose the next one. Then issue a suitable SET request using that index. All this could be hidden from the user by a suitable dedicated client application. But not if you're working with the low-level SET requests (or command-line tools such as "snmpset", etc), where the user would need to decide what index to create. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Hi Dave 1. the set problem was a result of a return value that is not NULL in get_entry. It was my mistake in editing the file. 2. The timeout problem when walking the tree (or on GET) was a result of a wrong error value in MODE_GETNEXT case, that returned "SNMP_NOSUCHINSTANCE" instead of "SNMP_ENDOFMIBVIEW". Caused by mib2c. THANKS!!! New question: Is it possible to add new row without getting inputs? Not index and not other values? As if the user pressed a "ADD" button and my behind the screen mechanism will put initial values to all, including index. Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Monday, July 30, 2012 3:17 PM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 30 July 2012 13:00, Naama Bar Menachem wrote: > True. But even after I fixed it - I get the same error as we started > with, since it first try to SET the RowStatus (I can see from inner > log > prints) Can you please check the value that is being returned from nsCommonConfigDataForwardPolicyRouteTable_get_entry() when querying a row that doesn't currently exist? It ought to be returning 'NULL' . Is this the case? Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 30 July 2012 13:00, Naama Bar Menachem wrote: > True. But even after I fixed it - I get the same error as we started > with, since it first try to SET the RowStatus (I can see from inner log > prints) Can you please check the value that is being returned from nsCommonConfigDataForwardPolicyRouteTable_get_entry() when querying a row that doesn't currently exist? It ought to be returning 'NULL' . Is this the case? Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
True. But even after I fixed it - I get the same error as we started with, since it first try to SET the RowStatus (I can see from inner log prints) ~ # ./data/net/naamab/snmpset -m ALL -M /data/sw/snmp/snmp_mib_lnk/ -v 2c -c private 127.0.0.1 nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10 i 4 nsCommonConfigDataForwardPolicyRouteInputInterfaceId.10 u 20 nsCommonConfigDataForwardPolicyRouteRoutingTableId.10 u 22 Error in packet. Reason: inconsistentValue (The set value is illegal or unsupported in some way) Failed object: NOVELSAT-COMMON-MIB::nsCommonConfigDataForwardPolicyRouteNotifyRowStatus .10 -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Monday, July 30, 2012 2:49 PM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 30 July 2012 12:43, Naama Bar Menachem wrote: > The multiple set command fails - cause snmp to crash: > * COMMAND: > ./data/net/naamab/snmpset -m ALL -M /data/sw/snmp/snmp_mib_lnk/ > -v 2c -c private 127.0.0.1 > nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10 i 4 > nsCommonConfigDataForwardPolicyRouteInputInterfaceId.10 u 20 > nsCommonConfigDataForwardPolicyRouteRoutingTableIdu 22 Please have a closer look at that command. Can you see any differences between the three varbind assignments? Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 30 July 2012 12:43, Naama Bar Menachem wrote: > The multiple set command fails - cause snmp to crash: > * COMMAND: > ./data/net/naamab/snmpset -m ALL -M /data/sw/snmp/snmp_mib_lnk/ > -v 2c -c private 127.0.0.1 > nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10 i 4 > nsCommonConfigDataForwardPolicyRouteInputInterfaceId.10 u 20 > nsCommonConfigDataForwardPolicyRouteRoutingTableIdu 22 Please have a closer look at that command. Can you see any differences between the three varbind assignments? Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
The multiple set command fails - cause snmp to crash:
* COMMAND:
./data/net/naamab/snmpset -m ALL -M /data/sw/snmp/snmp_mib_lnk/ -v 2c -c
private 127.0.0.1 nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10
i 4 nsCommonConfigDataForwardPolicyRouteInputInterfaceId.10 u 20
nsCommonConfigDataForwardPolicyRouteRoutingTableId u 22
* FAILED ACTION:
table_info = netsnmp_extract_table_info(request);
switch (table_info->colnum) {..} ==> cause snmpd to crash!!
-Original Message-
From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of
Dave Shield
Sent: Monday, July 30, 2012 12:35 PM
To: Naama Bar Menachem
Cc: net-snmp-users@lists.sourceforge.net
Subject: Re: How to delete/add line from raw table?
On 30 July 2012 10:17, Naama Bar Menachem
wrote:
> I said it does NOT exists... :)
Yes.
And I said good - this rules out one possible cause
> How do I set all three values at the same time?
List them all on the same command line
snmpset oid1 = val1 oid2 = val2 oid3 = val3
> Regarding the "read-write" and "read-create": I changes them all to
> read-create and recompiled using mib2c. no change in output 'c' file.
No - it won't change the code generated, or the behaviour of the
Net-SNMP agent.
Our MIB parsing code isn't particularly strict, and doesn't worry
about
this sort of detail. But strictly speaking, this is not a valid MIB
definition.
I suggested you fix this (and ran the MIB through smilint) to improve
the overall quality of your MIB file - not because it would help in this
particular
problem - but because better is better :-). That's why it was a PS,
rather
than part of the main response.
Dave
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Re: How to delete/add line from raw table?
On 30 July 2012 10:17, Naama Bar Menachem wrote: > I said it does NOT exists... :) Yes. And I said good - this rules out one possible cause > How do I set all three values at the same time? List them all on the same command line snmpset oid1 = val1 oid2 = val2 oid3 = val3 > Regarding the "read-write" and "read-create": I changes them all to > read-create and recompiled using mib2c. no change in output 'c' file. No - it won't change the code generated, or the behaviour of the Net-SNMP agent. Our MIB parsing code isn't particularly strict, and doesn't worry about this sort of detail. But strictly speaking, this is not a valid MIB definition. I suggested you fix this (and ran the MIB through smilint) to improve the overall quality of your MIB file - not because it would help in this particular problem - but because better is better :-). That's why it was a PS, rather than part of the main response. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
I said it does NOT exists... :) How do I set all three values at the same time? Regarding the "read-write" and "read-create": I changes them all to read-create and recompiled using mib2c. no change in output 'c' file. I also used the new mib file when performing SET action, and the results are still the same. -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Monday, July 30, 2012 10:45 AM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 30 July 2012 08:38, Naama Bar Menachem wrote: > Row 10 does not exists (there are rows with indices: 6,27,42,82,85). OK - so creating an already-existing row is not the cause. The other typical cause of inconsistentValue with RowStatus SETs is not providing values for the other column objects Are you using the same NOVELSET-COMMON MIB that you posted before? If so, the nsCommonConfigDataForwardPolicyRouteTable seems to have three (accessible) columns: - nsCommonConfigDataForwardPolicyRouteInputInterfaceId - nsCommonConfigDataForwardPolicyRouteRoutingTableId - nsCommonConfigDataForwardPolicyRouteNotifyRowStatus What should the Interface ID and Routing ID values be for this entry? What happens if you assign all three values in the same SET request? Dave PS: I note that you are mixing "read-write" and "read-create" columns in this table. That is not allowed.I strongly suggest that you run the MIB file through a proper MIB validation checker - such as 'smilint' . -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 30 July 2012 08:38, Naama Bar Menachem wrote: > Row 10 does not exists (there are rows with indices: 6,27,42,82,85). OK - so creating an already-existing row is not the cause. The other typical cause of inconsistentValue with RowStatus SETs is not providing values for the other column objects Are you using the same NOVELSET-COMMON MIB that you posted before? If so, the nsCommonConfigDataForwardPolicyRouteTable seems to have three (accessible) columns: - nsCommonConfigDataForwardPolicyRouteInputInterfaceId - nsCommonConfigDataForwardPolicyRouteRoutingTableId - nsCommonConfigDataForwardPolicyRouteNotifyRowStatus What should the Interface ID and Routing ID values be for this entry? What happens if you assign all three values in the same SET request? Dave PS: I note that you are mixing "read-write" and "read-create" columns in this table. That is not allowed.I strongly suggest that you run the MIB file through a proper MIB validation checker - such as 'smilint' . -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
COMMAND: ./data/net/naamab/snmpset -m ALL -M /data/sw/snmp/snmp_mib_lnk/ -v 2c -c private 127.0.0.1 nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10 i 4 Row 10 does not exists (there are rows with indices: 6,27,42,82,85). And here is the return message: ~ # ./data/net/naamab/snmpset -m ALL -M /data/sw/snmp/snmp_mib_lnk/ -v 2c -c private 127.0.0.1 nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10 i 4 Error in packet. Reason: inconsistentValue (The set value is illegal or unsupported in some way) Failed object: NOVELSAT-COMMON-MIB::nsCommonConfigDataForwardPolicyRouteNotifyRowStatus .10 -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Monday, July 30, 2012 10:34 AM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 30 July 2012 08:27, Naama Bar Menachem wrote: > MODE_SET_RESERVE1 stage fails with error number '12'. Error 12 is 'inconsistentValue', which is the expected error if you try to delete a non-existant row, or create an existing one. (among other situations) > Regard the browser - I am now using the shell command: > ./data/net/naamab/snmpset -m ALL -M /data/sw/snmp/snmp_mib_lnk/ -v 2c > -c private 127.0.0.1 > nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10 i 4 Thank you - that was the information that you omitted before. First question What does snmpget nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10 return? (i.e. does this row already exist?) Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 30 July 2012 08:27, Naama Bar Menachem wrote: > MODE_SET_RESERVE1 stage fails with error number '12'. Error 12 is 'inconsistentValue', which is the expected error if you try to delete a non-existant row, or create an existing one. (among other situations) > Regard the browser - I am now using the shell command: > ./data/net/naamab/snmpset -m ALL -M /data/sw/snmp/snmp_mib_lnk/ -v 2c -c > private 127.0.0.1 nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10 i 4 Thank you - that was the information that you omitted before. First question What does snmpget nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10 return? (i.e. does this row already exist?) Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Hi Dave
As I wrote in another mail, I found the source for the issue:
MODE_SET_RESERVE1 stage fails with error number '12'.
The code was automatically created by mib2c:
case COLUMN_NSCOMMONCONFIGDATAFORWARDPOLICYROUTENOTIFYROWSTATUS:
ret = netsnmp_check_vb_rowstatus(request->requestvb,
(table_entry ? RS_ACTIVE : RS_NONEXISTENT));
if (ret != SNMP_ERR_NOERROR) {
// -> ret=12
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
In addition, I can get/set ALL other parameters from the agent, the
problem is only on RowStatus. I can also get other columns from this
specific table.
Regard the browser - I am now using the shell command:
./data/net/naamab/snmpset -m ALL -M /data/sw/snmp/snmp_mib_lnk/ -v 2c -c
private 127.0.0.1 nsCommonConfigDataForwardPolicyRouteNotifyRowStatus.10
i 4
Thank you,
Naama
-Original Message-
From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of
Dave Shield
Sent: Monday, July 30, 2012 10:23 AM
To: Naama Bar Menachem
Cc: net-snmp-users@lists.sourceforge.net
Subject: Re: How to delete/add line from raw table?
On 29 July 2012 07:40, Naama Bar Menachem
wrote:
> - I am using snmpB browser, and I tried both "walk" command on the
> tree as well as "get> select instance" and "set> select instance"
> commands in which I select an instance from a list (that was presented
> properly) All these commands are resulted in timeout error.
Is this command issued on the same system as the agent is running on, or
a remote system?
Can you see anything else from that agent? (e.g. walking the 'system'
tree)
> conf file is attached.
The most obvious problem with this config file is that you are mixing
two different styles of access control.
Please use EITHER r[ow]community OR com2sec/group/access
But do not try to mix the two.
I'd suggest that you delete the whole section starting
"map an SNMPv1 or SNMPv2c community string..."
up to
"group privateGroup..."
plus the two lines
"access publicGroup"
"access privateGroup"
[I'd also strongly suggest that you use a different write community
string other than "private" - if you support community-based SET
requests at all!]
Dave
--
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will include endpoint security, mobile security and the latest in malware
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Re: How to delete/add line from raw table?
On 29 July 2012 07:40, Naama Bar Menachem wrote: > - I am using snmpB browser, and I tried both "walk" command on the tree > as well as "get> select instance" and "set> select instance" commands in > which I select an instance from a list (that was presented properly) > All these commands are resulted in timeout error. Is this command issued on the same system as the agent is running on, or a remote system? Can you see anything else from that agent? (e.g. walking the 'system' tree) > conf file is attached. The most obvious problem with this config file is that you are mixing two different styles of access control. Please use EITHER r[ow]community OR com2sec/group/access But do not try to mix the two. I'd suggest that you delete the whole section starting "map an SNMPv1 or SNMPv2c community string..." up to "group privateGroup..." plus the two lines "access publicGroup" "access privateGroup" [I'd also strongly suggest that you use a different write community string other than "private" - if you support community-based SET requests at all!] Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Hi Dave and all
I have managed to solved some of the problems, and now I have the
following:
MODE_SET_RESERVE1 stage fails with error number '12'.
The code was automatically created by mib2c:
case COLUMN_NSCOMMONCONFIGDATAFORWARDPOLICYROUTENOTIFYROWSTATUS:
ret = netsnmp_check_vb_rowstatus(request->requestvb,
(table_entry ? RS_ACTIVE : RS_NONEXISTENT));
if (ret != SNMP_ERR_NOERROR) {
// -> ret=12
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
Thank you,
Naama
-Original Message-
From: Naama Bar Menachem
Sent: Sunday, July 29, 2012 9:41 AM
To: 'Dave Shield'
Cc: net-snmp-users@lists.sourceforge.net
Subject: RE: How to delete/add line from raw table?
- I am using snmpB browser, and I tried both "walk" command on the tree
as well as "get> select instance" and "set> select instance" commands in
which I select an instance from a list (that was presented properly) All
these commands are resulted in timeout error.
- conf file is attached.
-Original Message-
From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of
Dave Shield
Sent: Thursday, July 26, 2012 2:47 PM
To: Naama Bar Menachem
Cc: net-snmp-users@lists.sourceforge.net
Subject: Re: How to delete/add line from raw table?
On 26 July 2012 11:23, Naama Bar Menachem
wrote:
> I've added the import statement, and recompiled.
> And still, on RowStatus set - I get a timeout error.
Obvious questions first:
- what is the exact SET request that you are using?
- what are the access control settings in the snmpd.conf file?
Dave
--
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will include endpoint security, mobile security and the latest in malware
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RE: How to delete/add line from raw table?
- I am using snmpB browser, and I tried both "walk" command on the tree as well as "get> select instance" and "set> select instance" commands in which I select an instance from a list (that was presented properly) All these commands are resulted in timeout error. - conf file is attached. -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Thursday, July 26, 2012 2:47 PM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 26 July 2012 11:23, Naama Bar Menachem wrote: > I've added the import statement, and recompiled. > And still, on RowStatus set - I get a timeout error. Obvious questions first: - what is the exact SET request that you are using? - what are the access control settings in the snmpd.conf file? Dave snmpd.conf Description: snmpd.conf -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 26 July 2012 11:23, Naama Bar Menachem wrote: > I've added the import statement, and recompiled. > And still, on RowStatus set - I get a timeout error. Obvious questions first: - what is the exact SET request that you are using? - what are the access control settings in the snmpd.conf file? Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
I've added the import statement, and recompiled. And still, on RowStatus set - I get a timeout error. Same for when I "walk" the table (stuck when need to get RowStatus data) It would be very helpful to see an example "C" file, if such exists. Thank you, Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Thursday, July 26, 2012 11:36 AM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 26 July 2012 09:28, Naama Bar Menachem wrote: > I am sorry! I accidently sent you one of my experiments... > Here is the correct command and files: It's OK - the problem is the same in both cases. You are using the type 'RowStatus' in your MIB file, but you aren't importing it. So the SNMP tools don't know what this means, and hence how to define the corresponding variables. It's always worth running your MIB through a validation tool such as 'smilint' before starting to use it. That would throw up this sort of problem. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 26 July 2012 09:28, Naama Bar Menachem wrote: > I am sorry! I accidently sent you one of my experiments... > Here is the correct command and files: It's OK - the problem is the same in both cases. You are using the type 'RowStatus' in your MIB file, but you aren't importing it. So the SNMP tools don't know what this means, and hence how to define the corresponding variables. It's always worth running your MIB through a validation tool such as 'smilint' before starting to use it. That would throw up this sort of problem. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 26 July 2012 09:05, Naama Bar Menachem wrote: > mib2c -c mib2c.iterate.conf nsCommonConfigDataForwardPolicyRoute You said that you were working with "raw tables", but this command uses the iteration helper. Please explain? Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Mailed all the details in another mail, but it is held until the list moderator can review it for approval (because it is big). Please notify me if you won't receive it soon. Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Thursday, July 26, 2012 10:59 AM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 26 July 2012 07:07, Naama Bar Menachem wrote: > My tables are actually kept in kernel, and not in agent itself Do you have an API call that will remove an entry from this table? > After adding RowStatus column, mib2c created a c file with variables > with the names "xNotifyRowStatus" and "old_xNotifyRowStatus" > but without any type. Sounds odd Can you please post (as attachments!): - The MIB file that you are working from - The .c (and .h) files produced by mib2c (*without* any of your subsequent changes) Also - which version of the Net-SNMP software are you using, and what was the *exact* mib2c command that you gave? Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 26 July 2012 07:07, Naama Bar Menachem wrote: > My tables are actually kept in kernel, and not in agent itself Do you have an API call that will remove an entry from this table? > After adding RowStatus column, mib2c created a c file with variables > with the names "xNotifyRowStatus" and "old_xNotifyRowStatus" but > without any type. Sounds odd Can you please post (as attachments!): - The MIB file that you are working from - The .c (and .h) files produced by mib2c (*without* any of your subsequent changes) Also - which version of the Net-SNMP software are you using, and what was the *exact* mib2c command that you gave? Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Hi Dave I have read many RowStatus documentations and still not sure how to use it. My tables are actually kept in kernel, and not in agent itself and I use "mib2c.raw-table.conf" to create their structure in mib2c. After adding RowStatus column, mib2c created a c file with variables with the names "xNotifyRowStatus" and "old_xNotifyRowStatus" but without any type. I tried to define it as long - but still had issues. The value of the status is all rows is "0", which is not defined if I am not mistaken. Setting it to other value cause TimeOut error. Is there an example C file for such case? Thank you. Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Monday, July 23, 2012 10:35 AM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 22 July 2012 06:54, Naama Bar Menachem wrote: > Is there an example code? Many of the tables under 'agent/mibgroup' include support for a RowStatus column. As does the template code generated by 'mib2c'. > I did not understand how a "RowStatus" would help me provide the user > with the option to delete/add rows to a table. That is the whole purpose of the RowStatus textual convention! Have you read the MIB definition of this type? There is a long, long description clause, that explains exactly how a user can use it to add/remove rows from the table. > And what do you mean by " depends on how the MIB table is defined"? You haven't said anything about what MIB table(s) you are implementing. Whether these are tables that you have defined yourself, or whether you are working with something that someone else has provided. If the table is defined to include a RowStatus column, then this can be used to add/delete rows. If it's defined without such a column, then the description of the table needs to state how (and whether!) rows can be added or removed. For example, the TCP-MIB::tcpConnectionTable does not have a RowStatus column, but the definition of the tcpConnectionState object describes how it can be used to terminate a connection (and hence remove a row from the table). You can't create a new row in this table via SNMP - since that would imply creating a new connection between two arbitrary network ports. That doesn't really make sense - so isn't supported in the table. Always remember - the SNMP information is designed to mimic the underlying state of the computer your are trying to manage. If one side of this changes, that needs to trigger an equivalent change in the other System->SNMP is no problem - just refresh the data being reported. But SNMP->System implies a lot more work, and is not always possible. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 22 July 2012 06:54, Naama Bar Menachem wrote: > Is there an example code? Many of the tables under 'agent/mibgroup' include support for a RowStatus column. As does the template code generated by 'mib2c'. > I did not understand how a "RowStatus" would help me provide the user > with the option to delete/add rows to a table. That is the whole purpose of the RowStatus textual convention! Have you read the MIB definition of this type? There is a long, long description clause, that explains exactly how a user can use it to add/remove rows from the table. > And what do you mean by " depends on how the MIB table is defined"? You haven't said anything about what MIB table(s) you are implementing. Whether these are tables that you have defined yourself, or whether you are working with something that someone else has provided. If the table is defined to include a RowStatus column, then this can be used to add/delete rows. If it's defined without such a column, then the description of the table needs to state how (and whether!) rows can be added or removed. For example, the TCP-MIB::tcpConnectionTable does not have a RowStatus column, but the definition of the tcpConnectionState object describes how it can be used to terminate a connection (and hence remove a row from the table). You can't create a new row in this table via SNMP - since that would imply creating a new connection between two arbitrary network ports. That doesn't really make sense - so isn't supported in the table. Always remember - the SNMP information is designed to mimic the underlying state of the computer your are trying to manage. If one side of this changes, that needs to trigger an equivalent change in the other System->SNMP is no problem - just refresh the data being reported. But SNMP->System implies a lot more work, and is not always possible. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
RE: How to delete/add line from raw table?
Hi Dave Is there an example code? I did not understand how a "RowStatus" would help me provide the user with the option to delete/add rows to a table. And what do you mean by " depends on how the MIB table is defined"? Thank you! Naama -Original Message- From: dave.shi...@gmail.com [mailto:dave.shi...@gmail.com] On Behalf Of Dave Shield Sent: Friday, July 20, 2012 11:15 PM To: Naama Bar Menachem Cc: net-snmp-users@lists.sourceforge.net Subject: Re: How to delete/add line from raw table? On 12 July 2012 14:30, Naama Bar Menachem wrote: > I am using a raw tables. > > How can I provide the user with the option to add and remove rows? It depends on how the MIB table is defined. The standard approach would be to have a column object of type 'RowStatus'. The normal implementation code for this object would provide the desired functionality. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
Re: How to delete/add line from raw table?
On 12 July 2012 14:30, Naama Bar Menachem wrote: > I am using a raw tables. > > How can I provide the user with the option to add and remove rows? It depends on how the MIB table is defined. The standard approach would be to have a column object of type 'RowStatus'. The normal implementation code for this object would provide the desired functionality. Dave -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ 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/listinfo/net-snmp-users
