From 26e06d838d6471f5233c1da3fee012bf113564a5 Mon Sep 17 00:00:00 2001
From: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Date: Fri, 8 Feb 2013 17:51:56 +0100
Subject: src: add XML output support

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 src/expr/target.c | 37 +++++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

(limited to 'src/expr/target.c')

diff --git a/src/expr/target.c b/src/expr/target.c
index 1ee7379..86c9bc8 100644
--- a/src/expr/target.c
+++ b/src/expr/target.c
@@ -23,6 +23,7 @@
 #include <linux/netfilter/x_tables.h>
 
 #include <libnftables/expr.h>
+#include <libnftables/rule.h>
 
 #include "expr_ops.h"
 
@@ -183,14 +184,46 @@ static int nft_rule_expr_target_parse(struct nft_rule_expr *e, struct nlattr *at
 	return 0;
 }
 
+static
+int nft_rule_exp_target_snprintf_xml(char *buf, size_t len,
+				struct nft_expr_target *tg)
+{
+	int ret, size=len;
+	int i;
+	int offset = 0;
+	uint8_t *data = (uint8_t *)tg->data;
+
+	ret = snprintf(buf, len, "\t\t<name>%s</name> <rev>%u</rev> <info>0x",
+			tg->name, tg->rev);
+	SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+
+	for (i=0; i < tg->data_len; i++) {
+		ret = snprintf(buf+offset, len, "%x", data[i] & 0xff);
+		SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+	}
+
+	ret = snprintf(buf+offset, len, "</info>" );
+	SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+
+	return offset;
+}
+
 static int
 nft_rule_expr_target_snprintf(char *buf, size_t len, uint32_t type,
 			      uint32_t flags, struct nft_rule_expr *e)
 {
 	struct nft_expr_target *target = (struct nft_expr_target *)e->data;
 
-	return snprintf(buf, len, "name=%s rev=%u ",
-			target->name, target->rev);
+	switch(type) {
+	case NFT_RULE_O_XML:
+		return nft_rule_exp_target_snprintf_xml(buf, len, target);
+	case NFT_RULE_O_DEFAULT:
+		return snprintf(buf, len, "name=%s rev=%u ",
+				target->name, target->rev);
+	default:
+		break;
+	}
+	return -1;
 }
 
 struct expr_ops expr_ops_target = {
-- 
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