diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-12-28 10:51:43 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-01-03 20:53:37 +0100 |
| commit | 22c66b3af76c2bc2c720013ffa0100aae7c97cbe (patch) | |
| tree | cf35a403f9e80d4cbdb734f84d0b18c8c99c5c02 | |
| parent | a3e60492a684be09374d0649735da42bdadc6b48 (diff) | |
parser: add redirect constant to rhs_expr rule
So we can use the 'redirect' reserve word as constant from the rhs
expression. Thus, we can use it as icmp type.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| -rw-r--r-- | include/datatype.h | 1 | ||||
| -rw-r--r-- | src/parser_bison.y | 7 | ||||
| -rw-r--r-- | src/proto.c | 2 |
3 files changed, 9 insertions, 1 deletions
diff --git a/include/datatype.h b/include/datatype.h index 07fedce8..91ca2dd1 100644 --- a/include/datatype.h +++ b/include/datatype.h @@ -207,6 +207,7 @@ extern const struct datatype arphrd_type; extern const struct datatype inet_protocol_type; extern const struct datatype inet_service_type; extern const struct datatype mark_type; +extern const struct datatype icmp_type_type; extern const struct datatype icmp_code_type; extern const struct datatype icmpv6_code_type; extern const struct datatype icmpx_code_type; diff --git a/src/parser_bison.y b/src/parser_bison.y index be1c7403..d42bd2f8 100644 --- a/src/parser_bison.y +++ b/src/parser_bison.y @@ -2101,6 +2101,13 @@ primary_rhs_expr : symbol_expr { $$ = $1; } BYTEORDER_HOST_ENDIAN, sizeof(data) * BITS_PER_BYTE, &data); } + | REDIRECT + { + uint8_t data = ICMP_REDIRECT; + $$ = constant_expr_alloc(&@$, &icmp_type_type, + BYTEORDER_HOST_ENDIAN, + sizeof(data) * BITS_PER_BYTE, &data); + } ; relational_op : EQ { $$ = OP_EQ; } diff --git a/src/proto.c b/src/proto.c index 3282271f..65ee158f 100644 --- a/src/proto.c +++ b/src/proto.c @@ -303,7 +303,7 @@ static const struct symbol_table icmp_type_tbl = { }, }; -static const struct datatype icmp_type_type = { +const struct datatype icmp_type_type = { .type = TYPE_ICMP_TYPE, .name = "icmp_type", .desc = "ICMP type", |