net-snmp-loadave-writable.patch

   1 --- net-snmp-5.4.2.1/agent/mibgroup/ucd-snmp/loadave.c~ 2009-12-21 21:00:10.094254079 +0200
   2 +++ net-snmp-5.4.2.1/agent/mibgroup/ucd-snmp/loadave.c  2009-12-21 22:02:45.398903148 +0200
   3 @@ -152,7 +152,7 @@
   4           {ERRORNAME}},
   5          {LOADAVE, ASN_OCTET_STR, RONLY, var_extensible_loadave, 1,
   6           {LOADAVE}},
   7 -        {LOADMAXVAL, ASN_OCTET_STR, RONLY, var_extensible_loadave, 1,
   8 +        {LOADMAXVAL, ASN_OCTET_STR, RWRITE, var_extensible_loadave, 1,
   9           {LOADMAXVAL}},
  10          {LOADAVEINT, ASN_INTEGER, RONLY, var_extensible_loadave, 1,
  11           {LOADAVEINT}},
  12 @@ -309,6 +309,40 @@
  13      return 0;
  14  }
  15
  16 +static int
  17 +write_laConfig(int action,
  18 +                          u_char * var_val,
  19 +                          u_char var_val_type,
  20 +                          size_t var_val_len,
  21 +                          u_char * statP, oid * name, size_t name_len)
  22 +{
  23 +    if (var_val_type != ASN_OCTET_STR) {
  24 +        DEBUGMSGTL(("ucd-snmp/loadave",
  25 +                    "write to laConfig not ASN_OCTET_STR\n"));
  26 +        return SNMP_ERR_WRONGTYPE;
  27 +    }
  28 +       /* allow max value of 65536.00 */
  29 +    if (var_val_len > 8) {
  30 +        DEBUGMSGTL(("ucd-snmp/loadave",
  31 +                    "write to laConfig: bad length\n"));
  32 +        return SNMP_ERR_WRONGLENGTH;
  33 +    }
  34 +    if (action == COMMIT) {
  35 +        if (var_val_len != 0) {
  36 +                       double val;
  37 +                       if (sscanf(var_val, "%7lf", &val) == 1) {
  38 +                               int idx = name[name_len - 1] - 1;
  39 +                               maxload[idx] = val;
  40 +                       } else {
  41 +                               DEBUGMSGTL(("ucd-snmp/loadave",
  42 +                                                       "write to laConfig: invalid value\n"));
  43 +                               return SNMP_ERR_WRONGVALUE;
  44 +                       }
  45 +               }
  46 +    }
  47 +    return SNMP_ERR_NOERROR;
  48 +}
  49 +
  50  u_char         *
  51  var_extensible_loadave(struct variable * vp,
  52                         oid * name,
  53 @@ -328,6 +362,10 @@
  54      case MIBINDEX:
  55          long_ret = name[*length - 1];
  56          return ((u_char *) (&long_ret));
  57 +    case LOADMAXVAL:
  58 +               /* setup write method, but don't return yet */
  59 +               *write_method = write_laConfig;
  60 +               break;
  61      case ERRORNAME:
  62          sprintf(errmsg, "Load-%d", ((name[*length - 1] == 1) ? 1 :
  63                                      ((name[*length - 1] == 2) ? 5 : 15)));