From: Phil Sutter <phil@nwl.cc>
To: netfilter-devel@vger.kernel.org
Subject: [iptables PATCH 16/23] extensions: libebt_redirect: Use guided option parser
Date: Wed, 20 Dec 2023 17:06:29 +0100 [thread overview]
Message-ID: <20231220160636.11778-17-phil@nwl.cc> (raw)
In-Reply-To: <20231220160636.11778-1-phil@nwl.cc>
Signed-off-by: Phil Sutter <phil@nwl.cc>
---
extensions/libebt_redirect.c | 40 +++++++++++++++---------------------
1 file changed, 17 insertions(+), 23 deletions(-)
diff --git a/extensions/libebt_redirect.c b/extensions/libebt_redirect.c
index 7821935e137aa..a44dbaec6cc8b 100644
--- a/extensions/libebt_redirect.c
+++ b/extensions/libebt_redirect.c
@@ -9,17 +9,19 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <getopt.h>
#include <xtables.h>
#include <linux/netfilter_bridge/ebt_redirect.h>
#include "iptables/nft.h"
#include "iptables/nft-bridge.h"
-#define REDIRECT_TARGET '1'
-static const struct option brredir_opts[] =
+enum {
+ O_TARGET,
+};
+
+static const struct xt_option_entry brredir_opts[] =
{
- { "redirect-target", required_argument, 0, REDIRECT_TARGET },
- { 0 }
+ { .name = "redirect-target", .id = O_TARGET, .type = XTTYPE_STRING },
+ XTOPT_TABLEEND,
};
static void brredir_print_help(void)
@@ -37,23 +39,15 @@ static void brredir_init(struct xt_entry_target *target)
redirectinfo->target = EBT_ACCEPT;
}
-#define OPT_REDIRECT_TARGET 0x01
-static int brredir_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry, struct xt_entry_target **target)
+static void brredir_parse(struct xt_option_call *cb)
{
- struct ebt_redirect_info *redirectinfo =
- (struct ebt_redirect_info *)(*target)->data;
-
- switch (c) {
- case REDIRECT_TARGET:
- EBT_CHECK_OPTION(flags, OPT_REDIRECT_TARGET);
- if (ebt_fill_target(optarg, (unsigned int *)&redirectinfo->target))
- xtables_error(PARAMETER_PROBLEM, "Illegal --redirect-target target");
- break;
- default:
- return 0;
- }
- return 1;
+ struct ebt_redirect_info *redirectinfo = cb->data;
+
+ xtables_option_parse(cb);
+ if (cb->entry->id == O_TARGET &&
+ ebt_fill_target(cb->arg, (unsigned int *)&redirectinfo->target))
+ xtables_error(PARAMETER_PROBLEM,
+ "Illegal --redirect-target target");
}
static void brredir_print(const void *ip, const struct xt_entry_target *target, int numeric)
@@ -97,10 +91,10 @@ static struct xtables_target brredirect_target = {
.userspacesize = XT_ALIGN(sizeof(struct ebt_redirect_info)),
.help = brredir_print_help,
.init = brredir_init,
- .parse = brredir_parse,
+ .x6_parse = brredir_parse,
.print = brredir_print,
.xlate = brredir_xlate,
- .extra_opts = brredir_opts,
+ .x6_options = brredir_opts,
};
void _init(void)
--
2.43.0
next prev parent reply other threads:[~2023-12-20 16:06 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-20 16:06 [iptables PATCH 00/23] Guided option parser for ebtables Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 01/23] libxtables: xtoptions: Prevent XTOPT_PUT with XTTYPE_HOSTMASK Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 02/23] libxtables: xtoptions: Support XTOPT_NBO with XTTYPE_UINT* Phil Sutter
2023-12-20 19:07 ` Jan Engelhardt
2023-12-20 21:28 ` Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 03/23] libxtables: xtoptions: Implement XTTYPE_ETHERMACMASK Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 04/23] libxtables: xtoptions: Treat NFPROTO_BRIDGE as IPv4 Phil Sutter
2023-12-20 19:20 ` Jan Engelhardt
2023-12-20 21:35 ` Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 05/23] ebtables: Support for guided option parser Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 06/23] extensions: libebt_*: Drop some needless init callbacks Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 07/23] extensions: libebt_stp: Use guided option parser Phil Sutter
2023-12-20 19:29 ` Jan Engelhardt
2023-12-20 21:47 ` Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 08/23] extensions: libebt_arpreply: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 09/23] extensions: libebt_dnat: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 10/23] extensions: libebt_ip6: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 11/23] extensions: libebt_ip: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 12/23] extensions: libebt_log: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 13/23] extensions: libebt_mark: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 14/23] extensions: libebt_nflog: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 15/23] extensions: libebt_snat: " Phil Sutter
2023-12-20 16:06 ` Phil Sutter [this message]
2023-12-20 16:06 ` [iptables PATCH 17/23] extensions: libebt_802_3: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 18/23] extensions: libebt_vlan: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 19/23] extensions: libebt_arp: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 20/23] extensions: libxt_limit: Use guided option parser for NFPROTO_BRIDGE, too Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 21/23] extensions: libebt_pkttype: Use guided option parser Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 22/23] extensions: libebt_mark_m: " Phil Sutter
2023-12-20 16:06 ` [iptables PATCH 23/23] extensions: libxt_HMARK: Review HMARK_parse() Phil Sutter
2024-01-10 15:09 ` [iptables PATCH 00/23] Guided option parser for ebtables Phil Sutter
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