diff options
Diffstat (limited to 'src/evaluate.c')
| -rw-r--r-- | src/evaluate.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/evaluate.c b/src/evaluate.c index 2e31ed10..a3a1d1c0 100644 --- a/src/evaluate.c +++ b/src/evaluate.c @@ -2134,6 +2134,21 @@ static int expr_evaluate_xfrm(struct eval_ctx *ctx, struct expr **exprp) return expr_evaluate_primary(ctx, exprp); } +static int expr_evaluate_flagcmp(struct eval_ctx *ctx, struct expr **exprp) +{ + struct expr *expr = *exprp, *binop, *rel; + + binop = binop_expr_alloc(&expr->location, OP_AND, + expr_get(expr->flagcmp.expr), + expr_get(expr->flagcmp.mask)); + rel = relational_expr_alloc(&expr->location, expr->op, binop, + expr_get(expr->flagcmp.value)); + expr_free(expr); + *exprp = rel; + + return expr_evaluate(ctx, exprp); +} + static int expr_evaluate(struct eval_ctx *ctx, struct expr **expr) { if (ctx->nft->debug_mask & NFT_DEBUG_EVALUATION) { @@ -2203,6 +2218,8 @@ static int expr_evaluate(struct eval_ctx *ctx, struct expr **expr) return expr_evaluate_xfrm(ctx, expr); case EXPR_SET_ELEM_CATCHALL: return 0; + case EXPR_FLAGCMP: + return expr_evaluate_flagcmp(ctx, expr); default: BUG("unknown expression type %s\n", expr_name(*expr)); } |