diff options
Diffstat (limited to 'src/netlink_delinearize.c')
| -rw-r--r-- | src/netlink_delinearize.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/netlink_delinearize.c b/src/netlink_delinearize.c index 5317a830..51a61472 100644 --- a/src/netlink_delinearize.c +++ b/src/netlink_delinearize.c @@ -513,8 +513,25 @@ static void netlink_parse_exthdr(struct netlink_parse_ctx *ctx, expr = exthdr_expr_alloc(loc, NULL, 0); exthdr_init_raw(expr, type, offset, len, op, flags); - dreg = netlink_parse_register(nle, NFTNL_EXPR_EXTHDR_DREG); - netlink_set_register(ctx, dreg, expr); + if (nftnl_expr_is_set(nle, NFTNL_EXPR_EXTHDR_DREG)) { + dreg = netlink_parse_register(nle, NFTNL_EXPR_EXTHDR_DREG); + netlink_set_register(ctx, dreg, expr); + } else if (nftnl_expr_is_set(nle, NFTNL_EXPR_EXTHDR_SREG)) { + enum nft_registers sreg; + struct stmt *stmt; + struct expr *val; + + sreg = netlink_parse_register(nle, NFTNL_EXPR_EXTHDR_SREG); + val = netlink_get_register(ctx, loc, sreg); + if (val == NULL) + return netlink_error(ctx, loc, + "exthdr statement has no expression"); + + expr_set_type(val, expr->dtype, expr->byteorder); + + stmt = exthdr_stmt_alloc(loc, expr, val); + list_add_tail(&stmt->list, &ctx->rule->stmts); + } } static void netlink_parse_hash(struct netlink_parse_ctx *ctx, |