Could anyone tell me what i am doing wrong here? I have the
following piece of code, in which i test for the sysUpTime
(ASN_TIMETICKS?) and for status of ipForwarding (INTEGER) and
ifNumber (also INTEGER).
I guessed the ASN values, but i get a match so i assume they are
right. Now, i looked in the /usr/include/net-snmp/library/snmp-api.h
and looked up the value of 'vars->val.integer' and 'vars-
>val.string'. The first is a pointer to long and the second is a
u_char pointer. So i declared those same types in my struct.
This is what i do (red color is what matters):
/* Manipulate the information ourselves */
for(vars=response->variables;vars;vars=vars->next_variable) {
if(vars->type==ASN_OCTET_STR) {
char *sp=(char *)malloc(1+vars->val_len);
memcpy(sp,vars->val.string,vars->val_len);
sp[vars->val_len]='\0';
/* Fill in second part of database struct */
if(i==0) data->sysDescr=strdup(sp);
if(i==2) data->sysContact=strdup(sp);
if(i==3) data->sysName=strdup(sp);
if(i==4) data->sysLocation=strdup(sp);
free(sp);
}
if(vars->type==ASN_TIMETICKS) {
if(i==1) data->sysUpTime=vars->val.integer;
}
if(vars->type==ASN_INTEGER) {
if(i==5) data->ipForwarding=vars->val.integer;
if(i==6) data->ifNumber=vars->val.integer;
}
}
}
However, i get some number in my long * (like 218232) which
definitately doesn't match up with uptime. This also goes for the
integers. I don't know what i'm doing wrong, i'm just exchanging the
pointers.
thanks for any help. Oh, whilst i'm at it, does anyone know if there
is a mib value that you can read to get the subnetmask value? I can't
seem to find it.
Greetings,
Alef
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