Merge commit 'origin/trunk@12184' into fedora

[iptables.git] / trunk / extensions / libxt_CLASSIFY.c.orig

diff --git a/trunk/extensions/libxt_CLASSIFY.c.orig b/trunk/extensions/libxt_CLASSIFY.c.orig
new file mode 100644 (file)
index 0000000..79dd16c
--- /dev/null
+++ b/trunk/extensions/libxt_CLASSIFY.c.orig
@@ -0,0 +1,120 @@
+/* Shared library add-on to iptables to add CLASSIFY target support. */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include <xtables.h>
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter/xt_CLASSIFY.h>
+#include <linux/types.h>
+#include <linux/pkt_sched.h>
+
+/* Function which prints out usage message. */
+static void
+CLASSIFY_help(void)
+{
+       printf(
+"CLASSIFY target options:\n"
+"  --set-class [MAJOR:MINOR]    Set skb->priority value\n");
+}
+
+static const struct option CLASSIFY_opts[] = {
+       { "set-class", 1, NULL, '1' },
+       { .name = NULL }
+};
+
+static int CLASSIFY_string_to_priority(const char *s, unsigned int *p)
+{
+       unsigned int i, j;
+
+       if (sscanf(s, "%x:%x", &i, &j) != 2)
+               return 1;
+       
+       *p = TC_H_MAKE(i<<16, j);
+       return 0;
+}
+
+/* Function which parses command options; returns true if it
+   ate an option */
+static int
+CLASSIFY_parse(int c, char **argv, int invert, unsigned int *flags,
+      const void *entry,
+      struct xt_entry_target **target)
+{
+       struct xt_classify_target_info *clinfo
+               = (struct xt_classify_target_info *)(*target)->data;
+
+       switch (c) {
+       case '1':
+               if (CLASSIFY_string_to_priority(optarg, &clinfo->priority))
+                       exit_error(PARAMETER_PROBLEM,
+                                  "Bad class value `%s'", optarg);
+               if (*flags)
+                       exit_error(PARAMETER_PROBLEM,
+                                  "CLASSIFY: Can't specify --set-class twice");
+               *flags = 1;
+               break;
+
+       default:
+               return 0;
+       }
+
+       return 1;
+}
+
+static void
+CLASSIFY_final_check(unsigned int flags)
+{
+       if (!flags)
+               exit_error(PARAMETER_PROBLEM,
+                          "CLASSIFY: Parameter --set-class is required");
+}
+
+static void
+CLASSIFY_print_class(unsigned int priority, int numeric)
+{
+       printf("%x:%x ", TC_H_MAJ(priority)>>16, TC_H_MIN(priority));
+}
+
+/* Prints out the targinfo. */
+static void
+CLASSIFY_print(const void *ip,
+      const struct xt_entry_target *target,
+      int numeric)
+{
+       const struct xt_classify_target_info *clinfo =
+               (const struct xt_classify_target_info *)target->data;
+       printf("CLASSIFY set ");
+       CLASSIFY_print_class(clinfo->priority, numeric);
+}
+
+/* Saves the union ipt_targinfo in parsable form to stdout. */
+static void
+CLASSIFY_save(const void *ip, const struct xt_entry_target *target)
+{
+       const struct xt_classify_target_info *clinfo =
+               (const struct xt_classify_target_info *)target->data;
+
+       printf("--set-class %.4x:%.4x ",
+              TC_H_MAJ(clinfo->priority)>>16, TC_H_MIN(clinfo->priority));
+}
+
+static struct xtables_target classify_target = { 
+       .family         = AF_UNSPEC,
+       .name           = "CLASSIFY",
+       .version        = XTABLES_VERSION,
+       .size           = XT_ALIGN(sizeof(struct xt_classify_target_info)),
+       .userspacesize  = XT_ALIGN(sizeof(struct xt_classify_target_info)),
+       .help           = CLASSIFY_help,
+       .parse          = CLASSIFY_parse,
+       .final_check    = CLASSIFY_final_check,
+       .print          = CLASSIFY_print,
+       .save           = CLASSIFY_save,
+       .extra_opts     = CLASSIFY_opts,
+};
+
+void _init(void)
+{
+       xtables_register_target(&classify_target);
+}