Libsmi March 2002

libsmi@ibr.cs.tu-bs.de

9 participants
13 discussions

Index elements should be not-accessible.....
by Vivekanandan V 17 May '02

17 May '02

Hello, Iam using smilint 0.3.1. For Index elements (of Tables) having a MAX-ACCESS as read-only, an error is given in severity level 5 as, " index element should be not-accessible in SMIv2 MIB" So, does it mean that Index elements cannot be read-only?? If so, can you please let me know whether is it mentioned in any standard Rfc?? Thanks & Regards, Vivekanandan.V *************************************************************************** This message is proprietary to Future Software Limited (FSL) and is intended solely for the use of the individual to whom it is addressed. It may contain privileged or confidential information and should not be circulated or used for any purpose other than for what it is intended. If you have received this message in error, please notify the originator immediately. If you are not the intended recipient, you are notified that you are strictly prohibited from using, copying, altering, or disclosing the contents of this message. FSL accepts no responsibility for loss or damage arising from the use of the information transmitted by this email including damage from virus. ***************************************************************************

4 7

Exception in smiparse()
by Pamela Heckmann 13 May '02

13 May '02

Hello, I am using libsmi0.3.1 on Windows NT compiling with VC 6.0. When I load our sample mib module, I get an exception in smiparse() function in the scope of the loadModule() routine. The code: if ($14) { if (((objectPtr->typePtr->export.basetype == SMI_BASETYPE_OCTETSTRING) && ($14->basetype != SMI_BASETYPE_OCTETSTRING)) || ((objectPtr->typePtr->export.basetype == SMI_BASETYPE_OBJECTIDENTIFIER) && ($14->basetype != SMI_BASETYPE_OBJECTIDENTIFIER))) { smiPrintError(thisParserPtr, ERR_DEFVAL_SYNTAX); if ($14->basetype == SMI_BASETYPE_OBJECTIDENTIFIER) { smiFree($14->value.oid); } if (($14->basetype == SMI_BASETYPE_BITS) || ($14->basetype == SMI_BASETYPE_OCTETSTRING)) { smiFree($14->value.ptr); } smiFree($14); } gets an exception because objectPtr->typePtr is NULL. I ran smilint.exe against fooTest.mib and it gets an exception also. I have included our sample mibs that I have been testing with. fooTest.mib imports fooCorp.mib. Any help would be appreciated. Pamela -- Pamela Heckmann Icon Laboratories, Inc. Pam_Heckmann(a)icon-labs.com The grand essentials to happiness in this life are something to do, something to love and something to hope for. - Joseph Addison

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Doubt in libsmi ......
by Vivekanandan V 29 Mar '02

29 Mar '02

Hello, Iam using smilint 0.3.1. Iam getting an error message "notification `fwlTrapAttackSummary' is not reversible" Can you please explain the meaning of this error and when this error will be returned. I have also attached the part of the mib where I have declared the particular NOTIFICATION-TYPE object, which is giving the error. Thanks & Regards, Vivekanandan.V

2 1

Segmentation fault in check.c memberofGroup
by Pamela Heckmann 21 Mar '02

21 Mar '02

Hello, I have a version of RFC1697 (RDBMS-MIB) different from the one in the mibs/ietf that generates a segmentation fault in the memberofGroup function. I am not exactly sure why the exception occurs, but there are differences in the file's compliance statements. The stack trace shows loadModule, calling smiparse, calling checkObjects, calling smiCheckComplianceStatus which passes group as a null pointer to checkObjects. This is where the exception occurs. I ran smilint on the web and it saw the exception also. Attached is the mib if you wish to see the problem. Pamela -- Pamela Heckmann Icon Laboratories, Inc. Pam_Heckmann(a)icon-labs.com The grand essentials to happiness in this life are something to do, something to love and something to hope for. - Joseph Addison

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Bug: timegm()
by Hills, Steve 20 Mar '02

20 Mar '02

This is a bug at least on Windows with DevStudio (VC6) and VisualStudio.NET (VC7). The timegm() function does putenv("TZ"); this doesn't remove the environment variable, you need to do putenv("TZ="); Thanks, Steve Hills NCR

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extern "C"
by Pamela Heckmann 19 Mar '02

19 Mar '02

Hi, Has there been any thought to adding the cplusplus defines in the include files for smi.lib? I have an application that uses C++ methods, and I had to add the following to the include files for the library: #ifdef __cplusplus extern "C" { #endif ....include file information ..... #ifdef __cplusplus } #endif Pamela -- Pamela Heckmann Icon Laboratories, Inc. Pam_Heckmann(a)icon-labs.com The grand essentials to happiness in this life are something to do, something to love and something to hope for. - Joseph Addison

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smidump -f corba : row creation - patch for index columns
by Brecht Vermeulen 08 Mar '02

08 Mar '02

Hi, I don't know if anyone is using the -f corba functionality of smidump, but as indicated in the source-file dump-corba.c : /* XXX I think we need to include INDEX columns here XXX */ it is indeed needed (as far as I know and as far as I can find in the JIDM documents, otherwise you can't create rows when an index column is non-accessible or read-only) to add the index columns always to the create_xxx functions in the interface SmiEntryFactory : SNMPMgmt::GenericFactory { which are used to create rows in tables. So, in attachment you can find a patch which solves this. (for libsmi-0.3.0). It's the first time I write some code with libsmi, so I hope it's correct :-). regards, Brecht diff -c -r ../temp/libsmi-0.3.0.orig/tools/dump-corba.c ./tools/dump-corba.c *** ../temp/libsmi-0.3.0.orig/tools/dump-corba.c Fri Nov 9 14:48:11 2001 --- ./tools/dump-corba.c Wed Mar 6 00:37:22 2002 *************** *** 1078,1085 **** --- 1078,1087 ---- static void fprintConstructor(FILE *f, SmiNode *smiNode) { SmiNode *childNode; + SmiNode *indexNode; SmiType *smiType; SmiModule *smiModule; + SmiElement *smiElement; char *idlNodeName; char *idlChildNodeName, *idlChildTypeName; int cnt = 0; *************** *** 1091,1116 **** fprintSegment(f, 2*INDENT, "", 0); fprint(f, "%s create_%s (\n", idlNodeName, idlNodeName); ! /* XXX I think we need to include INDEX columns here XXX */ for (childNode = smiGetFirstChildNode(smiNode); childNode; childNode = smiGetNextChildNode(childNode)) { if ((childNode->nodekind == SMI_NODEKIND_SCALAR || childNode->nodekind == SMI_NODEKIND_COLUMN) && current(childNode->status) && childNode->access == SMI_ACCESS_READ_WRITE) { ! cnt++; ! idlChildNodeName = getIdlNodeName(smiGetNodeModule(childNode)->name, childNode->name); ! smiType = smiGetNodeType(childNode); ! idlChildTypeName = getIdlAnyTypeName(childNode, smiType); ! if (cnt > 1) { fprint(f, ",\n"); } - fprintSegment(f, 3*INDENT, "in ", 0); - fprint(f, "%s %s", idlChildTypeName, idlChildNodeName); } } fprint(f, "\n"); --- 1093,1146 ---- fprintSegment(f, 2*INDENT, "", 0); fprint(f, "%s create_%s (\n", idlNodeName, idlNodeName); ! /* First we include the INDEXes */ ! for (smiElement = smiGetFirstElement(smiNode); smiElement; smiElement = smiGetNextElement(smiElement)) { ! cnt++; ! indexNode = smiGetElementNode(smiElement); ! idlChildNodeName = ! getIdlNodeName(smiGetNodeModule(indexNode)->name, ! indexNode->name); ! smiType = smiGetNodeType(indexNode); ! idlChildTypeName = getIdlAnyTypeName(indexNode, smiType); ! if (cnt > 1) { ! fprint(f, ",\n"); ! } ! fprintSegment(f, 3*INDENT, "in ", 0); ! fprint(f, "%s %s", idlChildTypeName, idlChildNodeName); ! } ! for (childNode = smiGetFirstChildNode(smiNode); childNode; childNode = smiGetNextChildNode(childNode)) { + if ((childNode->nodekind == SMI_NODEKIND_SCALAR || childNode->nodekind == SMI_NODEKIND_COLUMN) && current(childNode->status) && childNode->access == SMI_ACCESS_READ_WRITE) { + int matched = 0; ! /* Test if this column is already used as parameter because it is an index */ ! for (smiElement = smiGetFirstElement(smiNode); smiElement; smiElement = smiGetNextElement(smiElement)) { ! indexNode = smiGetElementNode(smiElement); ! if (!strcmp(indexNode->name, childNode->name)) { ! matched = 1; ! break; // already index column ! } ! } ! ! if (!matched) { ! cnt++; ! idlChildNodeName = getIdlNodeName(smiGetNodeModule(childNode)->name, childNode->name); ! smiType = smiGetNodeType(childNode); ! idlChildTypeName = getIdlAnyTypeName(childNode, smiType); ! if (cnt > 1) { fprint(f, ",\n"); + } + fprintSegment(f, 3*INDENT, "in ", 0); + fprint(f, "%s %s", idlChildTypeName, idlChildNodeName); } } } fprint(f, "\n");

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Re: [libsmi] More woes about smilint crash on CISCO-STACK-MIB.my
by Frank.Fock＠t-online.de 08 Mar '02

08 Mar '02

Hi Frank, You can download the CISCO MIBs from ftp://ftp.cisco.com/pub/mibs/v2 Warning, about 50% of them have errors. Best regards, Frank Frank Strauss schrieb: > Hm. Without the imported non-standard modules I could > reproduce the > problem only before my recent patch. Could you please > send me the > modules CISCO-TC, CISCO-SMI, and CISCO-VTP-MIB (if this > would not > violate any license restrictions)? > > -frank

3 3

Access violation in smiFreeData() libsmi-0.3.0
by Hills, Steve 08 Mar '02

08 Mar '02

I'm building libsmi on Windows (DevStudio 6 and VS.NET). Whenever I load more than one module I'm getting a memory access violation when calling smiExit() in smiFreeData() (data.c line 3423) when accessing objectPtr->typePtr. My debugger shows it as invalid memory so it's probably trying to use memory that has been freed. For example, I'm using libsmi such as smiInit( NULL ); smiLoadModule( "NETWORK-SERVICES-MIB" ); smiLoadModule( "RFC1271-MIB" ); // or any other combination of two or more mibs smiExit(); Anybody else getting this and have a fix (so I don't have to spend the time fixing it myself)? Thanks, Steve Hills NCR

1 0

More woes about smilint crash on CISCO-STACK-MIB.my
by Joey Seek 07 Mar '02

07 Mar '02

Thanks for your very quick reply regarding this issue previously. For sure progress was made, but there is still a problem with this same MIB. I feel like it is only one MIB, so don't spend too much effort on it but by the same token maybe it has potential for bigger problems. Anyway, windows says access violation: smiparse() line 2326 + 9 bytes loadModule(const char * 0x00300ee4) line 3661 + 9 bytes smiLoadModule(const char * 0x00300ee4) line 418 + 9 bytes main(int 2, char * * 0x00300ed0) line 205 + 15 bytes mainCRTStartup() line 206 + 25 bytes KERNEL32! 77f1b9ea() Linux says: Program received signal SIGSEGV, Segmentation fault. chunk_free (ar_ptr=0x4015f040, p=0x8067588) at malloc.c:2985 2985 malloc.c: No such file or directory. (gdb) where #0 chunk_free (ar_ptr=0x4015f040, p=0x8067588) at malloc.c:2985 #1 0x400cad75 in __libc_free (mem=0x8067590) at malloc.c:2959 #2 0x4001ddb9 in smiFree (ptr=0x8067590) at util.c:130 #3 0x4001b782 in smiFreeData () at data.c:3445 #4 0x4001e454 in smiExit () at smi.c:273 #5 0x8048fee in main (argc=2, argv=0xbffffc04) at smilint.c:213 (gdb) quit The program is running. Exit anyway? (y or n) y localhost:/home/martinc/libsmi-0.3.1/tools/.libs[{140}]> _________________________________________________________________ Join the worlds largest e-mail service with MSN Hotmail. http://www.hotmail.com

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Libsmi March 2002