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-rw-r--r--src/tcpopt.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/tcpopt.c b/src/tcpopt.c
index d34dfd45..dac4fdb9 100644
--- a/src/tcpopt.c
+++ b/src/tcpopt.c
@@ -205,6 +205,7 @@ void tcpopt_init_raw(struct expr *expr, uint8_t type, unsigned int offset,
assert(type < array_size(tcpopt_protocols));
expr->exthdr.desc = tcpopt_protocols[type];
+ expr->exthdr.flags = flags;
assert(expr->exthdr.desc != TCPOPT_OBSOLETE);
for (i = 0; i < array_size(expr->exthdr.desc->templates); ++i) {
@@ -216,7 +217,10 @@ void tcpopt_init_raw(struct expr *expr, uint8_t type, unsigned int offset,
if (tmpl->offset != off || tmpl->len != len)
continue;
- expr->dtype = tmpl->dtype;
+ if (flags & NFT_EXTHDR_F_PRESENT)
+ expr->dtype = &boolean_type;
+ else
+ expr->dtype = tmpl->dtype;
expr->exthdr.tmpl = tmpl;
expr->exthdr.op = NFT_EXTHDR_OP_TCPOPT;
break;