On 07/10/2013 01:35 PM, zhuyj wrote: > On 07/10/2013 10:44 AM, zhuyj wrote: >> On 07/10/2013 10:34 AM, zhuyj wrote: >>> Hi, >>> >>> Attempting to create a new entry with a zero index fails silently. >>> >>> root@localhost:/root> snmpset -v 2c -c public 192.168.2.15 >>> .1.3.6.1.6.3.12.1.2.1.9.0.25 i 5 >>> SNMP-TARGET-MIB::snmpTargetAddrRowStatus.'..' = INTEGER: >>> createAndWait(5) >>> root@localhost:/root> snmpget -v 2c -c NETMAN 192.168.2.15 >>> .1.3.6.1.6.3.12.1.2.1.9.0.25 i 5 >>> snmp_build: unknown failuresnmpget: Error building ASN.1 >>> representation (Can't build OID for variable) >>> >>> Notice that there is no error when setting, only when trying to get. >>> >>> The version: >>> >>> usr@ubuntu1004:~$ snmpset --version >>> NET-SNMP version: 5.7.2 >>> usr@ubuntu1004:~$ snmpget --version >>> NET-SNMP version: 5.7.2 >>> usr@ubuntu1004:~$ snmpd --version >>> >>> NET-SNMP version: 5.7.2 >>> Web: http://www.net-snmp.org/ >>> Email: net-snmp-coders@lists.sourceforge.net >>> >>> I want to support 0.25 in snmpAdminString. What should I pay >>> attention to? >>> >>> Best regards. >>> >>> zhuyj >>> >> agent/mibgroup/target/snmpTargetAddrEntry.c: snmpTargetAddr_createNewRow >> >> ... >> for (i = 0; i < (int) newNameLen; i++) { >> temp_struct->name[i] = (char) name[i + snmpTargetAddrOIDLen]; >> } >> >> temp_struct->name[newNameLen] = '\0'; >> temp_struct->rowStatus = SNMP_ROW_NOTREADY; >> ... >> After name is set 0.25, 0 is set as terminated. So there are two 0 >> (NULL) in a string. >> So 0.25 can not be found. >> I want to fix this. But how should I do? >> If I fix this, will this fix take effect other mib files? >> I search snmpTarget. And I found that SNMP-COMMUNITY-MIB.txt，SNMP- >> NOTIFICATION-MIB.txt，DISMAN-EVENT- MIB.txt，SNMP-PROXY-MIB.txt >> depend on it. >> Anyone can discuss this with me? >> >> Zhuyj >> >> > I want to modify the temp_struct->name to 32, > then memset(temp_struct->name, -1 ,32 ); > when this name is set, it will not end with 0 (NUL). > when snmpget or snmpwalk is executed, it will parse this 32 bytes > string. When -1 is confronted, it will end. > the string before -1 is returned. > > Can the above method work? > > Zhu Yanjun > > I have 2 concerns about this: 1. this file is generated from mib2c. Is it appropriate to modify like this? 2. Many mibs are based on this file. Will this fix affect other mibs?
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