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-rw-r--r--extensions/libxt_mark.c95
1 files changed, 25 insertions, 70 deletions
diff --git a/extensions/libxt_mark.c b/extensions/libxt_mark.c
index d3c17277..7f8c995c 100644
--- a/extensions/libxt_mark.c
+++ b/extensions/libxt_mark.c
@@ -1,11 +1,5 @@
-/* Shared library add-on to iptables to add NFMARK matching support. */
#include <stdbool.h>
#include <stdio.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-
#include <xtables.h>
#include <linux/netfilter/xt_mark.h>
@@ -15,7 +9,7 @@ struct xt_mark_info {
};
enum {
- F_MARK = 1 << 0,
+ O_MARK = 0,
};
static void mark_mt_help(void)
@@ -25,62 +19,32 @@ static void mark_mt_help(void)
"[!] --mark value[/mask] Match nfmark value with optional mask\n");
}
-static const struct option mark_mt_opts[] = {
- {.name = "mark", .has_arg = true, .val = '1'},
- XT_GETOPT_TABLEEND,
+static const struct xt_option_entry mark_mt_opts[] = {
+ {.name = "mark", .id = O_MARK, .type = XTTYPE_MARKMASK32,
+ .flags = XTOPT_MAND | XTOPT_INVERT},
+ XTOPT_TABLEEND,
};
-static int mark_mt_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_match **match)
+static void mark_mt_parse(struct xt_option_call *cb)
{
- struct xt_mark_mtinfo1 *info = (void *)(*match)->data;
- unsigned int mark, mask = UINT32_MAX;
- char *end;
-
- switch (c) {
- case '1': /* --mark */
- xtables_param_act(XTF_ONLY_ONCE, "mark", "--mark", *flags & F_MARK);
- if (!xtables_strtoui(optarg, &end, &mark, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "mark", "--mark", optarg);
- if (*end == '/')
- if (!xtables_strtoui(end + 1, &end, &mask, 0, UINT32_MAX))
- xtables_param_act(XTF_BAD_VALUE, "mark", "--mark", optarg);
- if (*end != '\0')
- xtables_param_act(XTF_BAD_VALUE, "mark", "--mark", optarg);
-
- if (invert)
- info->invert = true;
- info->mark = mark;
- info->mask = mask;
- *flags |= F_MARK;
- return true;
- }
- return false;
+ struct xt_mark_mtinfo1 *info = cb->data;
+
+ xtables_option_parse(cb);
+ if (cb->invert)
+ info->invert = true;
+ info->mark = cb->val.mark;
+ info->mask = cb->val.mask;
}
-static int
-mark_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_match **match)
+static void mark_parse(struct xt_option_call *cb)
{
- struct xt_mark_info *markinfo = (struct xt_mark_info *)(*match)->data;
-
- switch (c) {
- char *end;
- case '1':
- xtables_check_inverse(optarg, &invert, &optind, 0, argv);
- markinfo->mark = strtoul(optarg, &end, 0);
- if (*end == '/') {
- markinfo->mask = strtoul(end+1, &end, 0);
- } else
- markinfo->mask = 0xffffffff;
- if (*end != '\0' || end == optarg)
- xtables_error(PARAMETER_PROBLEM, "Bad MARK value \"%s\"", optarg);
- if (invert)
- markinfo->invert = 1;
- *flags = 1;
- break;
- }
- return 1;
+ struct xt_mark_info *markinfo = cb->data;
+
+ xtables_option_parse(cb);
+ if (cb->invert)
+ markinfo->invert = 1;
+ markinfo->mark = cb->val.mark;
+ markinfo->mask = cb->val.mask;
}
static void print_mark(unsigned int mark, unsigned int mask)
@@ -91,13 +55,6 @@ static void print_mark(unsigned int mark, unsigned int mask)
printf(" 0x%x", mark);
}
-static void mark_mt_check(unsigned int flags)
-{
- if (flags == 0)
- xtables_error(PARAMETER_PROBLEM,
- "mark match: The --mark option is required");
-}
-
static void
mark_mt_print(const void *ip, const struct xt_entry_match *match, int numeric)
{
@@ -154,11 +111,10 @@ static struct xtables_match mark_mt_reg[] = {
.size = XT_ALIGN(sizeof(struct xt_mark_info)),
.userspacesize = XT_ALIGN(sizeof(struct xt_mark_info)),
.help = mark_mt_help,
- .parse = mark_parse,
- .final_check = mark_mt_check,
.print = mark_print,
.save = mark_save,
- .extra_opts = mark_mt_opts,
+ .x6_parse = mark_parse,
+ .x6_options = mark_mt_opts,
},
{
.version = XTABLES_VERSION,
@@ -168,11 +124,10 @@ static struct xtables_match mark_mt_reg[] = {
.size = XT_ALIGN(sizeof(struct xt_mark_mtinfo1)),
.userspacesize = XT_ALIGN(sizeof(struct xt_mark_mtinfo1)),
.help = mark_mt_help,
- .parse = mark_mt_parse,
- .final_check = mark_mt_check,
.print = mark_mt_print,
.save = mark_mt_save,
- .extra_opts = mark_mt_opts,
+ .x6_parse = mark_mt_parse,
+ .x6_options = mark_mt_opts,
},
};