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authorJan Engelhardt <jengelh@medozas.de>2011-05-08 12:16:18 +0200
committerJan Engelhardt <jengelh@medozas.de>2011-05-09 17:11:42 +0200
commit7752e649cec9d23b867d166ace38d213f0584077 (patch)
treee824a641cbd93fb20e3ae9a5320b1916c09d3119
parent73425492d4c57d34a616d948666ac75ecc612eed (diff)
libip6t_mh: use guided option parser
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
-rw-r--r--extensions/libip6t_mh.c44
1 files changed, 17 insertions, 27 deletions
diff --git a/extensions/libip6t_mh.c b/extensions/libip6t_mh.c
index 460f9e47..686a2932 100644
--- a/extensions/libip6t_mh.c
+++ b/extensions/libip6t_mh.c
@@ -11,15 +11,17 @@
*
* Based on libip6t_{icmpv6,udp}.c
*/
-#include <stdbool.h>
+#include <stdint.h>
#include <stdio.h>
-#include <netdb.h>
#include <string.h>
#include <stdlib.h>
-#include <getopt.h>
#include <xtables.h>
#include <linux/netfilter_ipv6/ip6t_mh.h>
+enum {
+ O_MH_TYPE = 0,
+};
+
struct mh_name {
const char *name;
uint8_t type;
@@ -122,27 +124,14 @@ static void parse_mh_types(const char *mhtype, uint8_t *types)
free(buffer);
}
-#define MH_TYPES 0x01
-
-static int mh_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_match **match)
+static void mh_parse(struct xt_option_call *cb)
{
- struct ip6t_mh *mhinfo = (struct ip6t_mh *)(*match)->data;
-
- switch (c) {
- case '1':
- if (*flags & MH_TYPES)
- xtables_error(PARAMETER_PROBLEM,
- "Only one `--mh-type' allowed");
- xtables_check_inverse(optarg, &invert, &optind, 0, argv);
- parse_mh_types(optarg, mhinfo->types);
- if (invert)
- mhinfo->invflags |= IP6T_MH_INV_TYPE;
- *flags |= MH_TYPES;
- break;
- }
+ struct ip6t_mh *mhinfo = cb->data;
- return 1;
+ xtables_option_parse(cb);
+ parse_mh_types(cb->arg, mhinfo->types);
+ if (cb->invert)
+ mhinfo->invflags |= IP6T_MH_INV_TYPE;
}
static const char *type_to_name(uint8_t type)
@@ -213,9 +202,10 @@ static void mh_save(const void *ip, const struct xt_entry_match *match)
printf(" --mh-type %u", mhinfo->types[0]);
}
-static const struct option mh_opts[] = {
- {.name = "mh-type", .has_arg = true, .val = '1'},
- XT_GETOPT_TABLEEND,
+static const struct xt_option_entry mh_opts[] = {
+ {.name = "mh-type", .id = O_MH_TYPE, .type = XTTYPE_STRING,
+ .flags = XTOPT_INVERT},
+ XTOPT_TABLEEND,
};
static struct xtables_match mh_mt6_reg = {
@@ -226,10 +216,10 @@ static struct xtables_match mh_mt6_reg = {
.userspacesize = XT_ALIGN(sizeof(struct ip6t_mh)),
.help = mh_help,
.init = mh_init,
- .parse = mh_parse,
+ .x6_parse = mh_parse,
.print = mh_print,
.save = mh_save,
- .extra_opts = mh_opts,
+ .x6_options = mh_opts,
};
void _init(void)