diff options
author | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-03-24 17:19:32 +0100 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-03-25 12:12:13 +0100 |
commit | a3e215d7f68f41556912c33b3dcf12781f6b9b59 (patch) | |
tree | 8ed2f03a0ed14fe85634beea17ed3ab3195f4a05 /src/expression.c | |
parent | 8e6cc9f373854ed580156ec6f01bcd97786fa9f7 (diff) |
src: add datatype->describe()
As an alternative to print the datatype values when no symbol table is
available. Use it to print protocols available via getprotobynumber()
which actually refers to /etc/protocols.
Not very efficient, getprotobynumber() causes a series of open()/close()
calls on /etc/protocols, but this is called from a non-critical path.
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1503
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/expression.c')
-rw-r--r-- | src/expression.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/expression.c b/src/expression.c index 0c5276d1..9fdf23d9 100644 --- a/src/expression.c +++ b/src/expression.c @@ -172,6 +172,8 @@ void expr_describe(const struct expr *expr, struct output_ctx *octx) nft_print(octx, "(in hexadecimal):\n"); symbol_table_print(edtype->sym_tbl, edtype, expr->byteorder, octx); + } else if (edtype->describe) { + edtype->describe(octx); } } |