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-rw-r--r--src/expr/synproxy.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/src/expr/synproxy.c b/src/expr/synproxy.c
index 630f3f4..97c321b 100644
--- a/src/expr/synproxy.c
+++ b/src/expr/synproxy.c
@@ -23,13 +23,13 @@ static int nftnl_expr_synproxy_set(struct nftnl_expr *e, uint16_t type,
switch(type) {
case NFTNL_EXPR_SYNPROXY_MSS:
- memcpy(&synproxy->mss, data, sizeof(synproxy->mss));
+ memcpy(&synproxy->mss, data, data_len);
break;
case NFTNL_EXPR_SYNPROXY_WSCALE:
- memcpy(&synproxy->wscale, data, sizeof(synproxy->wscale));
+ memcpy(&synproxy->wscale, data, data_len);
break;
case NFTNL_EXPR_SYNPROXY_FLAGS:
- memcpy(&synproxy->flags, data, sizeof(synproxy->flags));
+ memcpy(&synproxy->flags, data, data_len);
break;
}
return 0;
@@ -144,13 +144,20 @@ nftnl_expr_synproxy_snprintf(char *buf, size_t len,
return offset;
}
+static struct attr_policy synproxy_attr_policy[__NFTNL_EXPR_SYNPROXY_MAX] = {
+ [NFTNL_EXPR_SYNPROXY_MSS] = { .maxlen = sizeof(uint16_t) },
+ [NFTNL_EXPR_SYNPROXY_WSCALE] = { .maxlen = sizeof(uint8_t) },
+ [NFTNL_EXPR_SYNPROXY_FLAGS] = { .maxlen = sizeof(uint32_t) },
+};
+
struct expr_ops expr_ops_synproxy = {
.name = "synproxy",
.alloc_len = sizeof(struct nftnl_expr_synproxy),
- .max_attr = NFTA_SYNPROXY_MAX,
+ .nftnl_max_attr = __NFTNL_EXPR_SYNPROXY_MAX - 1,
+ .attr_policy = synproxy_attr_policy,
.set = nftnl_expr_synproxy_set,
.get = nftnl_expr_synproxy_get,
.parse = nftnl_expr_synproxy_parse,
.build = nftnl_expr_synproxy_build,
- .snprintf = nftnl_expr_synproxy_snprintf,
+ .output = nftnl_expr_synproxy_snprintf,
};