コード例 #1
0
void
parse_expETable(const char *token, char *line)
{
    char   owner[EXP_STR1_LEN+1];
    char   ename[EXP_STR1_LEN+1];
    void  *vp;
    size_t len;
    struct expExpression *entry;

    DEBUGMSGTL(("disman:expr:conf", "Parsing mteExpressionTable config...  "));

    /*
     * Read in the index information for this entry
     *  and create a (non-fixed) data structure for it.
     */
    memset( owner, 0, sizeof(owner));
    memset( ename, 0, sizeof(ename));
    len   = EXP_STR1_LEN;
    vp = owner;
    line  = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    len   = EXP_STR1_LEN;
    vp = ename;
    line  = read_config_read_data(ASN_OCTET_STR, line, &vp,  &len);
    entry = expExpression_createEntry( owner, ename, 0 );

    DEBUGMSG(("disman:expr:conf", "(%s, %s) ", owner, ename));

    /*
     * Read in the accessible column values.
     */
    line = _parse_expECols( line, entry );
    /*
     * XXX - Will need to read in the 'iquery' access information
     */
    entry->flags |= EXP_FLAG_VALID;

    DEBUGMSG(("disman:expr:conf", "\n"));
}
コード例 #2
0
void
parse_expression(const char *token, char *line)
{
    char   buf[ SPRINT_MAX_LEN];
    char   ename[EXP_STR1_LEN+1];
    oid    name_buf[MAX_OID_LEN];
    size_t name_len;
    char *cp, *cp2;
    struct expExpression *entry;
    struct expObject     *object;
    netsnmp_session *sess = NULL;
    int    type=EXPVALTYPE_COUNTER;
    int    i=1;

    DEBUGMSGTL(("disman:expr:conf", "Parsing expression config...  "));

    memset(buf,   0, sizeof(buf));
    memset(ename, 0, sizeof(ename));

    for (cp = copy_nword(line, buf, SPRINT_MAX_LEN);
         ;
         cp = copy_nword(cp,   buf, SPRINT_MAX_LEN)) {

        if (buf[0] == '-' ) {
            switch (buf[1]) {
            case 't':   /*  type */
                switch (buf[2]) {
                case 'c':   type = EXPVALTYPE_COUNTER;   break;
                case 'u':   type = EXPVALTYPE_UNSIGNED;  break;
                case 't':   type = EXPVALTYPE_TIMETICKS; break;
                case 'i':   type = EXPVALTYPE_INTEGER;   break;
                case 'a':   type = EXPVALTYPE_IPADDRESS; break;
                case 's':   type = EXPVALTYPE_STRING;    break;
                case 'o':   type = EXPVALTYPE_OID;       break;
                case 'C':   type = EXPVALTYPE_COUNTER64; break;
                }
                break;
            case 'u':   /*  user */
                cp     = copy_nword(cp, buf, SPRINT_MAX_LEN);
                sess   = netsnmp_iquery_user_session(buf);
                break;
            }
        } else {
            break;
        }
    }

    memcpy(ename, buf, sizeof(ename));
 /* cp    = copy_nword(line, ename, sizeof(ename)); */
    entry = expExpression_createEntry( "snmpd.conf", ename, 1 );
    if (!entry)
        return;

    cp2 = entry->expExpression;
    while (cp && *cp) {
        /*
         * Copy everything that can't possibly be a MIB
         * object name into the expression field...
         */
        /*   XXX - TODO - Handle string literals */
        if (!isalpha(*cp)) {
           *cp2++ = *cp++;
           continue;
        }
        /*
         * ... and copy the defined functions across as well
         *   XXX - TODO
         */

        /*
         * Anything else is presumably a MIB object (or instance).
         * Create an entry in the expObjectTable, and insert a
         *   corresponding parameter in the expression itself.
         */
        name_len = MAX_OID_LEN;
        cp = copy_nword(cp, buf, SPRINT_MAX_LEN);
        snmp_parse_oid( buf, name_buf, &name_len );
        object = expObject_createEntry( "snmpd.conf", ename, i, 1 );
        memcpy( object->expObjectID, name_buf, name_len*sizeof(oid));
        object->expObjectID_len = name_len;
        object->flags |= EXP_OBJ_FLAG_VALID
                      |  EXP_OBJ_FLAG_ACTIVE
                      |  EXP_OBJ_FLAG_OWILD;
        /*
         * The first such object can also be used as the
         * expExpressionPrefix
         */
        if ( i == 1 ) {
            memcpy( entry->expPrefix, name_buf, name_len*sizeof(oid));
            entry->expPrefix_len = name_len;
            object->flags |= EXP_OBJ_FLAG_PREFIX;
        }
        sprintf(cp2, "$%d", i++);
        while (*cp2)
            cp2++;  /* Skip over this parameter */
    }

    if (sess)
        entry->session      = sess;
    else
        entry->session      = netsnmp_query_get_default_session();
    entry->expDeltaInterval = 10;
    entry->expValueType     = type;
    entry->flags |= EXP_FLAG_VALID
                 |  EXP_FLAG_ACTIVE;
    expExpression_enable( entry );
    DEBUGMSG(("disman:expr:conf", "(%s, %s)\n", ename,
                                                entry->expExpression));
}