+++ /dev/null
-/*
- * f_basic.c Basic Classifier
- *
- * This program is free software; you can u32istribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * Authors: Thomas Graf <tgraf@suug.ch>
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <syslog.h>
-#include <fcntl.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <string.h>
-#include <linux/if.h>
-
-#include "utils.h"
-#include "tc_util.h"
-#include "m_ematch.h"
-
-static void explain(void)
-{
- fprintf(stderr, "Usage: ... basic [ match EMATCH_TREE ] [ police POLICE_SPEC ]\n");
- fprintf(stderr, " [ action ACTION_SPEC ] [ classid CLASSID ]\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Where: SELECTOR := SAMPLE SAMPLE ...\n");
- fprintf(stderr, " FILTERID := X:Y:Z\n");
-}
-
-static int basic_parse_opt(struct filter_util *qu, char *handle,
- int argc, char **argv, struct nlmsghdr *n)
-{
- struct tcmsg *t = NLMSG_DATA(n);
- struct rtattr *tail;
- long h = 0;
-
- if (argc == 0)
- return 0;
-
- if (handle) {
- h = strtol(handle, NULL, 0);
- if (h == LONG_MIN || h == LONG_MAX) {
- fprintf(stderr, "Illegal handle \"%s\", must be numeric.\n",
- handle);
- return -1;
- }
- }
-
- t->tcm_handle = h;
-
- tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len));
- addattr_l(n, MAX_MSG, TCA_OPTIONS, NULL, 0);
-
- while (argc > 0) {
- if (matches(*argv, "match") == 0) {
- NEXT_ARG();
- if (parse_ematch(&argc, &argv, TCA_BASIC_EMATCHES, n)) {
- fprintf(stderr, "Illegal \"ematch\"\n");
- return -1;
- }
- continue;
- } else if (matches(*argv, "classid") == 0 ||
- strcmp(*argv, "flowid") == 0) {
- unsigned handle;
- NEXT_ARG();
- if (get_tc_classid(&handle, *argv)) {
- fprintf(stderr, "Illegal \"classid\"\n");
- return -1;
- }
- addattr_l(n, MAX_MSG, TCA_BASIC_CLASSID, &handle, 4);
- } else if (matches(*argv, "action") == 0) {
- NEXT_ARG();
- if (parse_action(&argc, &argv, TCA_BASIC_ACT, n)) {
- fprintf(stderr, "Illegal \"action\"\n");
- return -1;
- }
- continue;
-
- } else if (matches(*argv, "police") == 0) {
- NEXT_ARG();
- if (parse_police(&argc, &argv, TCA_BASIC_POLICE, n)) {
- fprintf(stderr, "Illegal \"police\"\n");
- return -1;
- }
- continue;
- } else if (strcmp(*argv, "help") == 0) {
- explain();
- return -1;
- } else {
- fprintf(stderr, "What is \"%s\"?\n", *argv);
- explain();
- return -1;
- }
- argc--; argv++;
- }
-
- tail->rta_len = (((void*)n)+n->nlmsg_len) - (void*)tail;
- return 0;
-}
-
-static int basic_print_opt(struct filter_util *qu, FILE *f,
- struct rtattr *opt, __u32 handle)
-{
- struct rtattr *tb[TCA_BASIC_MAX+1];
-
- if (opt == NULL)
- return 0;
-
- parse_rtattr_nested(tb, TCA_BASIC_MAX, opt);
-
- if (handle)
- fprintf(f, "handle 0x%x ", handle);
-
- if (tb[TCA_BASIC_CLASSID]) {
- SPRINT_BUF(b1);
- fprintf(f, "flowid %s ",
- sprint_tc_classid(*(__u32*)RTA_DATA(tb[TCA_BASIC_CLASSID]), b1));
- }
-
- if (tb[TCA_BASIC_EMATCHES])
- print_ematch(f, tb[TCA_BASIC_EMATCHES]);
-
- if (tb[TCA_BASIC_POLICE]) {
- fprintf(f, "\n");
- tc_print_police(f, tb[TCA_BASIC_POLICE]);
- }
-
- if (tb[TCA_BASIC_ACT]) {
- tc_print_action(f, tb[TCA_BASIC_ACT]);
- }
-
- return 0;
-}
-
-struct filter_util basic_filter_util = {
- .id = "basic",
- .parse_fopt = basic_parse_opt,
- .print_fopt = basic_print_opt,
-};