Bail out after parser_max_errors has been reached, eg.
# nft -f /tmp/errors.nft
/tmp/errors.nft:1:23-23: Error: syntax error, unexpected newline
filter input tcp dport
^
/tmp/errors.nft:2:24-26: Error: datatype mismatch, expected internet network
service, expression has type Internet protocol
filter input tcp dport tcp
~~~~~~~~~ ^^^
root@salvia:/home/pablo# nft -f /tmp/errors.nft
/tmp/errors.nft:1:23-23: Error: syntax error, unexpected newline
filter input tcp dport
^
/tmp/errors.nft:2:24-26: Error: datatype mismatch, expected internet network
service, expression has type Internet protocol
filter input tcp dport tcp
~~~~~~~~~ ^^^
/tmp/errors.nft:3:24-26: Error: datatype mismatch, expected internet network
service, expression has type Internet protocol
filter input tcp sport udp
~~~~~~~~~ ^^^
Fixes: f211921e25e6 ("src: perform evaluation after parsing")
Signed-off-by: Pablo Neira Ayuso <[email protected]>
---
src/libnftables.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/libnftables.c b/src/libnftables.c
index eae78e8be9d7..e9dc03cf2909 100644
--- a/src/libnftables.c
+++ b/src/libnftables.c
@@ -393,7 +393,8 @@ static int nft_evaluate(struct nft_ctx *nft, struct
list_head *msgs,
.nft = nft,
.msgs = msgs,
};
- if (cmd_evaluate(&ectx, cmd) < 0)
+ if (cmd_evaluate(&ectx, cmd) < 0 &&
+ ++nft->state->nerrs == nft->parser_max_errors)
return -1;
}
--
2.11.0
