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/lookup.c | 38 ++++++++++++++++++++++++++++++++++----
 1 file changed, 34 insertions(+), 4 deletions(-)

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

diff --git a/src/expr/lookup.c b/src/expr/lookup.c
index 8e533c4..550c850 100644
--- a/src/expr/lookup.c
+++ b/src/expr/lookup.c
@@ -17,6 +17,7 @@
 #include <arpa/inet.h>
 #include <libmnl/libmnl.h>
 #include <linux/netfilter/nf_tables.h>
+#include <libnftables/rule.h>
 #include <libnftables/expr.h>
 #include "data_reg.h"
 #include "expr_ops.h"
@@ -150,19 +151,48 @@ nft_rule_expr_lookup_parse(struct nft_rule_expr *e, struct nlattr *attr)
 }
 
 static int
-nft_rule_expr_lookup_snprintf(char *buf, size_t size, uint32_t type,
-			       uint32_t flags, struct nft_rule_expr *e)
+nft_rule_expr_lookup_snprintf_xml(char *buf, size_t size,
+				  struct nft_expr_lookup *l)
+{
+	int len = size, offset = 0, ret;
+
+	ret = snprintf(buf, len, "<set>%s</set><sreg>%u</sreg><dreg>%u</dreg>\n",
+			l->set_name, l->sreg, l->dreg);
+	SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+
+	return offset;
+}
+
+static int
+nft_rule_expr_lookup_snprintf_default(char *buf, size_t size,
+				      struct nft_expr_lookup *l)
 {
-	struct nft_expr_lookup *lookup = (struct nft_expr_lookup *)e->data;
 	int len = size, offset = 0, ret;
 
 	ret = snprintf(buf, len, "set=%s sreg=%u dreg=%u\n",
-			lookup->set_name, lookup->sreg, lookup->dreg);
+			l->set_name, l->sreg, l->dreg);
 	SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
 
 	return offset;
 }
 
+static int
+nft_rule_expr_lookup_snprintf(char *buf, size_t size, uint32_t type,
+			       uint32_t flags, struct nft_rule_expr *e)
+{
+	struct nft_expr_lookup *lookup = (struct nft_expr_lookup *)e->data;
+
+	switch(type) {
+	case NFT_RULE_O_XML:
+		return nft_rule_expr_lookup_snprintf_xml(buf, size, lookup);
+	case NFT_RULE_O_DEFAULT:
+		return nft_rule_expr_lookup_snprintf_default(buf, size, lookup);
+	default:
+		break;
+	}
+	return -1;
+}
+
 struct expr_ops expr_ops_lookup = {
 	.name		= "lookup",
 	.alloc_len	= sizeof(struct nft_expr_lookup),
-- 
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